• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A method of warning an abnormal condition of an air purifier of a respirator, wherein when an abnormality occurs, colors, blinks, and patterns of display of light-emitting diodes are Outputs in a different way so that other employees working near the employee are notified of an abnormal condition such as a discharged battery, a blockage of a filter unit, an abnormality of a charging rate and a danger caused by the expiration of an operating time and a replacement of the filter unit, to prevent a situation in which the polluted air is inhaled by the respirator. A process configuration includes the respirator, the air purifier connected to the respirator through an air supply tube and including the filter unit and a control unit in the air purifier, in which other employees near of the employee carrying the air purifier are warned through a light-emitting diode warning window.
    公开号:FR3023174A1
    申请号:FR1556180
    申请日:2015-06-30
    公开日:2016-01-08
    发明作者:Moon-Young Huh
    申请人:Otos Wing Co Ltd；
    IPC主号:
    专利说明:

    [0001] This application claims the priority and benefit of Korean Patent Application No. 20140 082 491, filed July 2, 2014. The present invention relates to an air purifier of a respirator, and more particularly, to a warning method. an air purifier abnormal of a respirator in which other employees near the employee are warned and informed of abnormal conditions such as error, failure and danger of the purifier; air, which filters out polluted external air and supplies purified air to an employee who works in an extreme environment through an air supply tube and a filter unit, in order to allow other employees to notify or inform the employee of the abnormal condition. In general, respirators applied to safety helmets, used during welding, applied to protective masks, and used against asbestos are products used in various industrial fields in extreme environments such as welding, construction and civil engineering to prevent safety-related accidents that may occur while employees are working. These respirators applied to safety helmets, used during welding, applied to face masks, and used against asbestos, which are placed on the heads of employees who work in extreme environments, include air purifiers that purify polluted external air and provide purified air to their users in workplaces where harmful particles, fumes and noxious odors occur and places where infectious diseases occur. These respirators are applied to safety helmets, used during welding, applied to protective masks, and used against asbestos. Here, respirators applied to safety helmets are used in workplaces for welding, grinding and sanding. Respirators used during welding are applied to workplaces for welding and grinding. Respirators applied to protective masks are used during grinding, sanding, coating and dusting of crops and used in pharmaceutical laboratories, places where general particles are generated, and places where infectious diseases occur. . Also, asbestos respirators are used in places where asbestos particles, harmful dust particles, other contaminants and infectious pathogens occur. These respirators purify polluted air such as harmful dust particles, noxious odors and foul smells, which occur in workplaces and provide purified air to employees and users.
    [0002] Here, these air purifiers are connected to respirators via air supply tubes, filter out polluted external air, and provide purified air to respirators placed on employees' heads, allowing so employees can easily work in confined spaces and high temperature spaces. On the other hand, Figures 1 and 2 illustrate an air purifier 50 connected to a breathing mask 20 via an air supply tube 30. The air purifier 50 includes a body 51 in the air purifier 50. which is an installation space 51a, a filter unit 53 removably installed in the installation space 51a of the body 51 for filtering and purifying the polluted external air supplied from the outside, and a fan (no shown) to supply the purified air filtered by the filter unit 53 to the breathing mask 10 via the air supply tube 30.
    [0003] Here, the filter unit 53 includes a particulate removal filter or odor removal filter. The particulate removal filter is a high performance filter having an average purification rate capable alone of filtering particles having a size of about 0.3 p, in which it is possible to allow air to pass through. and filter 99.9% off various pollutants, agricultural pesticides, fine dust and infectious pathogens. The odor removal filter has an excellent deodorizing force to filter out harmful elements such as foul odors and odors passing through the particulate removal filter. Here, the filter unit 53 further includes a prefilter (not shown) and a wire mesh (not shown). When the filter unit 53 is installed in the installation space 51a of the body 51, a filter cover 54 which secures the filter unit 53 and includes an inlet 54a to allow external air to it is expected to flow there.
    [0004] For this reason, the filter unit 53 including one of the odor removal filter and the particle removal filter is inserted and installed in the installation space 51a formed in the body 51 of the air purifier. 50, the prefilter is provided outside the filter unit 53, the wire mesh is provided outside the prefilter, and the filter cover 54 is provided on the outside of the wire mesh while being Removably installed and fixed in front of the body 51.
    [0005] With the structure described above, the polluted external air flows into the air purifier 50 via the inlet 54a of the filter cover 54 fixedly installed in front of the body 51. Contaminated external air flowing through the filter cover 54 is supplied to the prefilter via the wire mesh to be filtered. The pre-filter filtered air is supplied to the filter unit 53 formed from one of the particulate removal filter and the odor removal filter to be filtered and purified. The purified air, according to the fan drive, is supplied to the breathing mask 20 via the air supply tube 30. Similarly, an air supply amount is regulated for each level according to the need a user. Here, a control unit (not shown) which controls a state of the filter unit 53 and various sensors is provided in the air purifier 50. A switching input unit, whose numerical reference is not shown in the drawings, which provides input an operation order such as a temperature, an air flow volume, a quantity of oxygen, turned on / off, etc., and a control panel. the liquid crystal display (LCD) 57, which displays various data values and the state of the filter unit 53 are provided on a high surface 15 of the air purifier 50. On the other hand, the air purifier Air 50 has a structure that is simple and easy to wear around the waist of the user with a belt, shoulder strap, or X-strap. Air purifier 50 is worn around the waist of an employee using the belt and the like during use, in which The respiratory mask 20 and the air purifier 50 are placed on the employee's body and the air supply tube 30 which connects the respirator 20 to the air purifier 50 is installed for use. A change in the amount of airflow during work such as a discharged battery, a blockage caused by a filter abnormality or a blockage caused by the foreign substances is detected, and if the detected change is present it is displayed on the LCD panel 57 to inform the employee. On the other hand, when an abnormal condition of the respirator air purifier and the filter unit such as error, failure and danger occurs, a text of error, failure or danger is simply displayed on the LCD panel provided in the air purifier, which has warning or information limitations of the employee who is working on the abnormal condition such as an error, a malfunction and a fault. danger. That is, in the case of the air purifier of the respirator and the filter unit provided here, to inform or warn the employee of a malfunction of the air purifier, an error caused by the expiration of an operating time and a replacement date of the filter unit, an abnormality of a polluted air charge rate passing through the filter unit, and an abnormal condition occurring for these reasons, in which polluted external air that is not filtered or purified can be inhaled by the employee, the LCD panel is provided on a top surface of the air purifier so as to warning texts of an error, malfunction, malfunction and danger are displayed only on the top of the air purifier via the LCD panel. As a result, it is difficult for the employee to recognize texts in a work environment in which hearing and seeing are not easy because of the noise and dust present. As described above, when the employee does not recognize or check a warning text displayed on the LCD panel due to the malfunction, error or failure of the air purifier or anomaly or error in the charge rate of the filter unit, the polluted external air is not purified and is directly supplied to the respirator via the air supply tube to be inhaled by the employee, which causes difficulty breathing or exposes the employee in a defenseless state to harmful gases. In addition, when welding fumes are included in the unpurified air, the welding fumes and perspiration of the user may adhere together on the periphery of the eyes and respiratory system and may cause safety related accidents. such as visual impairment, skin damage, pneumoconiosis, etc. One aspect of the present invention is to provide a method of warning an abnormal condition of an air purifier of a respirator, wherein when an abnormality of the air purifier occurs, colors, flashing intervals and patterns of display of a light emitting diode (LED) are output differently so that other employees who work near the employee are notified and informed of an abnormal condition such as a battery discharged from the air purifier which purifies polluted external air and supplies the purified air to an employee, an error caused by a blockage of a filter unit due to foreign substances, an anomaly of a filter unit load rate, and an error, abnormality, failure and danger caused by the expiration of an operating time and a replacement of the filter unit, in order to prevent a dangerous situation in which the Contaminated external air that is not filtered or purified is inhaled by the employee by the respiratory mask. Another aspect of the present invention provides a method of warning in advance of other employees who work near an employee who is wearing a respirator air purifier and who is working, an abnormal condition so to prevent a danger and an urgent situation that are not recognized by the employee while he is working. The respirator air purifier can be easily used in an extreme environment such as a construction or civil engineering site, an enclosed workspace, a high temperature work space, and a workspace where to hear and see are not easy because of noise or dust. It is possible to accurately inform the abnormal condition of the air purifier and the filter unit, thus effectively protecting the employee against harmful gases and fine dust such as metal dust and metal fumes. to improve work efficiency. One aspect of the present invention provides a method of warning an abnormal condition of an air purifier of a respirator including the respirator worn by an employee, the air purifier connected to the respirator by the respirator. intermediate of an air supply tube and including a filter unit for purifying polluted external air flowing therefrom, and a control unit provided to be controllable in the air purifier, wherein other employees near the employee wearing the air purifier are informed and informed of an error, malfunction and dangerous situation of the air purifier and the filter unit via a light emitting diode (LED) warning window. The LED colors of the LED warning window can be output differently to warn and at the same time inform other employees near the employee wearing the air purifier of an air purifier malfunction and the filter unit. LEDs of the LED warning window 20 may be output to flash to warn and at the same time inform other employees near the employee wearing the air purifier of an air purifier malfunction and the filter unit. Flashing intervals of the LEDs may be regular or irregular but repetitive. LED blinker patterns of the LED warning window may be output differently to warn and at the same time inform other employees near the purifier employee of a purifier abnormality. air and filter unit.
    [0006] LED flash patterns can be output on a regular or irregular but repetitive basis. The foregoing and other objects, features, and advantages of the present invention will become apparent to those skilled in the art by the detailed description of exemplary embodiments thereof with reference to the accompanying drawings, in which: Figure 1 is a schematic exploded perspective view of an air purifier of a general respirator; Figure 2 schematically illustrates a state in which an abnormal condition warning is provided on a liquid crystal display panel (LCD) provided on the air purifier of the respirator of Figure 1; Fig. 3 is a schematic perspective view of an air purifier of a respirator according to an embodiment of the present invention; FIG. 4 schematically illustrates an example of warning of an abnormal condition by outputting different colors on a light emitting diode (LED) warning window provided in the air purifier of the respirator according to a embodiment of the present invention; FIG. 5 schematically illustrates another example of an abnormal state warning by outputting different flash intervals on the LED warning window provided in the air purifier of the respirator according to an embodiment of FIG. the present invention; and Figures 6 to 13 schematically illustrate other examples of abnormal state warning by outputting different blinking patterns on the LED warning window provided in the air purifier of the respirator according to a mode. embodiment of the present invention. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Likewise, the embodiments of the present invention do not limit the scope of the present invention but are merely provided by way of example and may be modified in various ways without departing from its technical concept.
    [0007] Fig. 3 is a schematic perspective view of an air purifier 50 of a respirator 10 according to an embodiment of the present invention. Fig. 4 schematically illustrates an example of warning of an abnormal condition by outputting different colors on a light-emitting diode (LED) warning window 58 provided in the air purifier 50 of the respirator 10 according to a mode. embodiment of the present invention. FIG. 5 schematically illustrates another example of warning of an abnormal state by outputting different flashing intervals on the LED warning window 58 provided in the air purifier 50 of the respirator 10 according to a embodiment of the present invention. FIGS. 6 to 13 schematically illustrate other examples of warning of an abnormal state by outputting different patterns of flashing on the LED warning window 58 provided in the air purifier 50 of the respirator 10 according to FIG. an embodiment of the present invention.
    [0008] Referring to Figures 1 and 2, as shown in the drawings, the respirator 10 according to one embodiment of the present invention is intended to provide an employee with purified air in an extreme environment and a confined space in which harmful particles and odors such as harmful gases, harmful particles, metallic dust, and metal fumes occur. The respirator 10 includes the air purifier 50 which purifies polluted external air and is connected to the air purifier 50 via an air supply tube 30. Here, in the case of the air purifier 50 In air 50, the polluted external air flows into it and is purified and then supplied to the respirator 10 via the air supply tube 30 to allow the employee to breathe the purified air supplied to the respirator 20 while working, thereby preventing inhalation and the arrival of polluted material floating in a workplace through the employee's respiratory system.
    [0009] To do this, the air purifier 50 includes a body 51 having an installation space 51a inside a front portion thereof, a filter unit 53 removably mounted and installed in the space installation 51a of the body 51 for filtering and purifying the polluted air supplied from the outside, and a filter cover 54 coupled to the body 51 for fixing the filter unit 53 mounted and installed in the installation space 51a through which an inlet (not shown) penetrates to allow external air to flow therethrough.
    [0010] Here, a prefilter (not shown) and a wire mesh (not shown) are provided on one side of the filter unit 53 to collect the relatively larger size and diameter pollutant particles in the flowing air. from the outside.
    [0011] Similarly, a fan (not shown) that allows polluted external air to flow into the body 51 of the air purifier 50 and provides purified filtered air through the filter unit 53. to the respirator 10 is provided.
    [0012] Similarly, the air purifier 50 includes a control unit (not shown) for detecting and controlling a type of the filter unit 53, mounted and installed in the installation space 51a of the body 51, and a rate for charging the filter unit 53 and on a side of an upper surface of the body 51, a liquid crystal display panel (LCD) 57 for displaying the type and charge rate of the filter unit 53 detected by the control unit. With the structure described above, harmful particles and odors such as harmful particles, metal dust, and metal fumes in the air at a workplace are removed by filtration and purified air. is provided to an employee wearing respirator 10.
    [0013] Here, the filter unit 53 includes the particulate removal filter (not shown) and the odor removal filter (not shown) to allow the employee to insert, mount and install the filter. filter unit 53 suitable for a workplace and a working condition in the air purifier 50 to purify polluted external air. As described above, one of the particulate removal filter and odor removal filter, suitable for the workplace and the working condition, is mounted and installed in the installation space 51a. formed in the body 51 of the air purifier 50, the pre-filter and the wire mesh are sequentially installed outside one of the particulate removal filter and the odor removal filter, and then the cover filter 54 is installed in the body 51 to attach the filter unit 53, the pre-filter, and the wire mesh to the air purifier 50. As described above, when the filter unit 53 is mounted and installed in the body 51 of the air purifier 50 and that the respiratory mask 20 and the air purifier 50 operate, the polluted external air flows into the body 51 of the air purifier 50 through the inlet port of the filter cover 54 fixedly installed in front of the body 51 of the air purifier r 50, the relatively larger size and diameter pollutant particles in the polluted external air flowing through the inlet 54a of the filter cover 54 are collected through the wire mesh and prefilter and the polluted air passing through the prefilter is supplied to the filter unit 53 to be filtered and purified, and the purified air is supplied to the breathing mask 20 via the air supply tube 30. Meanwhile, a supplied amount of the purified air is regulated for each level, according to the need of the employee wearing the respirator 10, the polluted air flows into the body 51 of the air purifier 50, then the Eluted and purified air is supplied to the breathing mask 20 by the fan drive. Here, the LED warning window 58 is provided at the front of the air cleaner 50 and includes a plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f at regular intervals. That is, the LED warning window 58 is provided in an upper portion at the front of the air purifier 50 in which the filter cover 54 of the body 51 is installed and the plurality of LEDs. 58a, 58b, 58c, 58d, 58e and 58f are horizontally provided at regular intervals in the LED warning window 58. According to one embodiment of the present invention, the LED warning window 58 having a slot shape is provided at the front of the air purifier 50 and the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f are horizontally provided at regular intervals on the warning window at LED 58. However, a shape and position of the LED warning window 58 as well as the number and arrangement of the LEDs 58a, 58b, 58c, 58d, 58e and 58f can be varied in a variety of ways. On the other hand, when an error, a failure and a dangerous situation of one of the air cleaner 50 and the filter unit 53 occur, the control unit warns and informs other employees near the employee carrying the air purifier 50 through the LED warning window 58 provided at the front of the body 51.
    [0014] That is, the control unit notifies other employees working near the employee carrying the air purifier 50 of an abnormal condition of one of the air purifier 50 and the air purifier 50. filter unit 53 through the LED warning window 58 including the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided at regular intervals according to the error, the failure and the dangerous situation of one of the air purifier 50 and the filter unit 53 detected by respective sensors.
    [0015] As described above, a warning and abnormal status information of one of the air purifier 50 and the filter unit 53 are provided through the LCD panel 57 provided on an upper surface of the air cleaner 50 and the filter unit 53. air purifier 50 and simultaneously through the LED warning window 58 including the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided at regular intervals, thus allowing other employees who work closely of the employee carrying the air purifier 50, who is exposed to the error, the failure and the dangerous situation of being informed and checking an abnormal state then to the employee wearing the air purifier 50 , who is exposed to the abnormal state, to be informed of the abnormal condition to prevent a condition in which the employee who works does not recognize the error or abnormality of any of the purifier's air 50 and filter unit 53 and to prevent in advance related accidents s to safety. To do this, the other employees near the employee carrying the air purifier 50 are informed and informed of the anomaly of one of the air purifier 50 and the filter unit 53 by colors produced in differently than the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 provided at the front of the air purifier 50. That is, the colors of the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f horizontally provided at regular intervals on the LED warning window 58 at the front of the air purifier 50 are output from different way compared to colors emitted and output during normal operation, thus warning and informing other employees who work near the employee wearing the air purifier 50 of the abnormal condition such as error , the failure and danger of one of the air purifier 50 and the filter unit 53. For example, as shown in FIG. 4, when one of the air purifier 50 and the filter unit 53 is operating normally while the employee is wearing the respirator 10 and the air purifier 50 and is working, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 are held in green output and output to inform other employees working near the employee. of a normal operating state of one of the air purifier 50 and the filter unit 53. When an abnormal condition occurs due to an error and a failure and one of the air purifier 50 and the filter unit 53 operates abnormally, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 emit and output a red color and maintain an exit status to warn and at the same time inform other employees who are working t near the employee of the abnormal operating condition. According to one embodiment of the present invention, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 output a green color when one of the air purifier 50 and the filter unit 53 is in a normal operating state and outputs a red color when one of the air purifier 50 and the filter unit 53 is in an abnormal operating state. However, the color output from the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 to warn and inform of one of the operating status Normal and abnormal operating condition of one of the air purifier 50 and the filter unit 53 is not limited thereto and may be varied in a variety of ways. On the other hand, according to one embodiment of the present invention, when one of the air purifier 50 and the filter unit 53 is operating normally or abnormally, the color of the plurality of LEDs 58a, 58b , 58c, 58d, 58e and 58f of the LED warning window 58 is output differently to warn and at the same time inform other employees who work near the employee of the abnormal condition such as the error, the failure and the danger of one of the air purifier 50 and the filter unit 53. However, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the window of FIG. warning to LED 58 may flash to warn and at the same time inform other employees working near the employee carrying the air purifier 50 of the anomaly of one of the air purifier 50 and the unit filter 53.
    [0016] That is, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f horizontally provided at regular intervals on the LED warning window 58 at the front of the air purifier 50 flash to warn and at the same time inform other employees who work near the employee wearing the air purifier 50 of the abnormal condition such as error, failure and danger of one of the purifier's 50 and the filter unit 53. Here, as shown in FIG. 5, when one of the air purifier 50 and the filter unit 53 is operating normally, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 maintain a transmit and exit state. When one of the air purifier 50 and the filter unit 53 operates abnormally, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash at intervals. of regular time with different flashing intervals to warn and at the same time inform other employees who work near the employee of the abnormal operating condition of one of the air purifier 50 and the filter unit 53 Here, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, the flashing intervals of the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the window LED warning lights 58 can be repeated regularly or repeated irregularly and are not limited thereto. For example, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the warning window to LED 58 can be output on a regular and repetitive basis every 0.5 or 1 second or can be outputted in an irregular and repetitive manner to flash every three seconds and every second, or every three seconds and every 0.5 seconds. Similarly, to alert other employees working on the side, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, as time passes, the LEDs 58a 58b, 58c, 58d, 58e and 58f of the LED warning window 58 may gradually flash faster to allow the blink intervals to be changed to 3 seconds, 2 seconds, 1 second and 0.5 seconds or may gradually blink slower to allow the flash intervals to change to 0.5 seconds, 1 second, 2 seconds, and 3 seconds. If it is easy to warn or inform other employees working near the employee of the abnormal operating condition of one of the air purifier 50 and the filter unit 53, the intervals of flashing of LEDs 58a, 58b, 58c, 58d, 58e and 58f of LED warning window 58 may be varied in a variety of ways. Here, when one of the air purifier 50 and the filter unit 53 is operating normally, the LEDs 58a, 58b, 58c, 58d, 58e, and 58f of the LED warning window 58 can maintain transmission. and the production output of the green color. When one of the air purifier 50 and the filter unit 53 operates abnormally, the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 may flash red. However, the color of the LEDs 58a, 58b, 58c, 58d, 58e and 58f is not limited thereto. On the other hand, according to one embodiment of the present invention, the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 provided at the front of the air purifier 50 are flashing. at different blinking intervals to warn and at the same time inform other employees who are working near the employee of the abnormal condition such as error, failure and danger of one of the purifier's air 50 and the filter unit 53.
    [0017] However, the flashing patterns of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may be output differently to warn and at the same time inform other employees who work closely. the employee of the anomaly of one of the air purifier 50 and the filter unit 53. That is, the blinking patterns of the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided horizontally at regular intervals on the LED warning window 58 at the front of the air purifier 50 are output differently to warn and at the same time inform others. employees who work near the employee carrying the air purifier 50 of the abnormal condition such as the error, failure and danger of one of the air purifier 50 and the filter unit 53 With the structure described above, when one of the air purifier 50 and the filter unit 53 operates normally during use of the air purifier 50 and the work, the plurality of LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 maintain an emission state and to allow other employees working on the side to recognize that one of the air purifier 50 and the filter unit 53 is in the normal operating state. When one of the air purifier 50 and the filter unit 53 operates abnormally due to an abnormal situation caused by the error and failure, only the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided and located in a certain position among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the warning window to LED 58 maintain the state of emission and output to warn and at the same time inform others employees working near the employee of the abnormal operating condition of one of the air purifier 50 and the filter unit 53. Otherwise, only the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided and located in a certain position among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash repetitively to warn and at the same time inform other employees working close to the employee of the abnormal operating condition of one of the air purifier 50 and the u Alternatively, the LEDs 58a, 58b, 58c, 58d, 58e and 58f in a certain position and the LEDs 58a, 58b, 58c, 58d, 58e and 58f in another position among the LEDs 58a, 58b, 58c. , 58d, 58e and 58f on the LED warning window 58 flash alternately and repetitively to prevent and at the same time inform other employees working near the employee of the abnormal operating status of one of the air purifier 50 and the filter unit 53. For example, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, as shown in FIG. 6, only the LEDs 58a, 58c, 58e located in odd positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 maintain the state of emission and output. Otherwise, as shown in FIG. 7, only the LEDs 58b, 58d, 58f located in even positions among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 maintain the state emission and output. As described above, the blinking patterns of the LED warning window 58 may be output differently to warn and at the same time inform other employees working near the employee of the abnormal status of the user. one of the air purifier 50 and the filter unit 53.
    [0018] Here, when only the LEDs 58a, 58c, 58e located in odd positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 are emitting and generating output then maintain the transmit and output state, the LEDs 58b, 58d, 58f in even positions that do not output or output can be turned off. When only the LEDs 58b, 58d, 58f located in even positions among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 are emitting and outputting and then maintaining the state of emission and output, the LEDs 58a, 58c, 58e located in odd positions may be extinguished. However, the invention is not limited to this.
    [0019] Likewise, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, as shown in FIG. 8, only the LEDs 58a, 58c, 58e located in odd positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash repetitively at the same time. Otherwise, as shown in FIG. 9, only the LEDs 58b, 58d, 58f located in even positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the window of FIG. warning to LED 58 flash repetitively at the same time. As described above, the blinking patterns of the LED warning window 58 may be output differently to warn and at the same time inform other employees working near the employee of the abnormal status of the user. one of the air purifier 50 and the filter unit 53.
    [0020] Even then, when only the LEDs 58a, 58c, 58e located in odd positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash. repetitively at the same time, the LEDs 58b, 58d, 58f in even positions may be extinguished. When only the LEDs 58a, 58b, 58d, 58f in even positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash repetitively. at the same time, the LEDs 58a, 58c, 58e located in odd positions may be extinguished. However, the invention is not limited to this. Likewise, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, as shown in FIG. 10, the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash sequentially and repetitively from left to right at regular time intervals, or as shown in Fig. 11, the respective LEDs 58a, 58b, 58c, 58d , 58e and 58f on the LED warning window 58 blink sequentially and repetitively from right to left at regular time intervals to warn and at the same time inform other employees near the employee. abnormal condition of one of the air purifier 50 and the filter unit 53. Here, when the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash sequentially and repetitively from left to right at With regular times, other non-flashing LEDs 58a, 58b, 58c, 58d, 58e and 58f are in an inactivated state. Likewise, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, as shown in FIG. 12, only the LEDs 58a, 58c, 58e located in Odd numbers based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash sequentially and repetitively from left to right at regular time intervals. or as shown in FIG. 13, only the LEDs 58b, 58d, 58f located in even positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the warning window. LED 58 flashes sequentially and repetitively from left to right at regular time intervals to prevent and at the same time inform other employees working near the employee of the abnormal condition of one of the purifier. 50 air and filter unit 53. As described in FIG. above, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, the flash patterns of the LEDs 58a, 58b, 58c, 58d, 58e and 58f are provided. on the LED warning window 58 are output in various ways to warn and at the same time inform other employees working near the employee of the abnormal condition of one of the 50 Air Purifier 50 and the filter unit 53. Here, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, the flashing patterns of the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 can be repeated regularly or repeated irregularly but are limited thereto. On the other hand, when one of the air purifier 50 and the filter unit 53 is operating normally, the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 can keep the emission and output of a green color. When one of the air purifier 50 and the filter unit 53 operates abnormally, the LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 may flash red with various flashing patterns. However, the color of the LEDs 58a, 58b, 58c, 58d, 58e and 58f is not limited thereto. As described above, to warn other employees working near the employee of the air purifier malfunction 50 by differently outputting the colors, flash intervals, and display patterns of the LEDs. 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58, the control unit provided in the air purifier 50 may include programs according to colors, flash intervals and LED display patterns 58a, 58b, 58c, 58d, 58e and 58f, and the LED warning window 58 can be operated using an additional circuit configuration. Hereinafter, a detailed description will be omitted. Hereinafter, a method of warning an abnormal condition of the air purifier 50 of the respirator 10 according to an embodiment of the present invention will be described. Firstly, the filter unit 53 is mounted and installed in the air purifier 50 connected to the respirator 10 via the air supply tube 30, and the air purifier 50 is turned on. function. Here, the polluted external air flows into the body 51 through the inlet of the filter cover 54 provided in the air purifier 50 due to the fan provided in the air purifier 50, and the air flowing in the body 51 of the air purifier 50 is purified while sequentially passing through the wire mesh, prefilter and filter unit 53 and is supplied to the respiratory mask 20 via of the air supply tube 30 to allow the employee wearing the respirator 20 to breathe air.
    [0021] When an abnormal condition occurs in one of the air purifier 50 and the filter unit 53 provided in the air purifier 50 while the employee wearing the breathing mask 20 on the head and face and the air purifier 50 around the waist works in an extreme environment such as a construction or civil engineering site, an enclosed workspace, a high-temperature workspace and a workspace where to hear and see are not easy things because of the noise and dust present, other employees near the employee wearing the respirator 20 and the air purifier 50 are warned and informed that the abnormal condition occurs in one of the air purifier 50 and the filter unit 53 through the LED warning window 58 provided on the front of the body 51 in which the filter cover 54 is installed. That is, when one of the air cleaner 50 and the filter unit 53 is in a normal operating state, the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f of the LED warning window 58 provided at the front of the air purifier 50 can emit and output a green color and can maintain an exit state to allow other employees near the employee wearing the respirator 10 to recognize that one of the air purifier 50 and the filter unit 53 operates normally. When one of the air purifier 50 and the filter unit 53 is in an abnormal operating state, the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f provided in the LED warning window 58 at the front of the air purifier 50 can emit and output a red color to warn and at the same time inform other employees near the employee wearing the abnormal condition respirator in which one of the air purifier 50 and filter unit 53 operates abnormally. Likewise, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f provided in the window of FIG. LED warning 58 on the front of Air Purifier 50 may flash red regularly at regular time intervals or blink irregularly in red color to warn and at the same time inform other employees near the employed wearing the abnormal state respirator wherein one of the air purifier 50 and the filter unit 53 operates abnormally. Likewise, when one of the air purifier 50 and the filter unit 53 is in the abnormal operating state, the blinking patterns on the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f are provided. on the LED warning window 58 at the front of the air purifier 50 may be output differently to warn and at the same time inform other employees near the employee wearing the respirator 20 of the air purifier. abnormal state in which one of the air purifier 50 and the filter unit 53 operates abnormally. Here, when the blinking patterns of the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f provided in the LED warning window 58 at the front of the air purifier 50 are output differently, only the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided and located at some position among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 maintain a state of emission and output to warn and at the same time inform other employees working near the employee of the abnormal operating condition of one 20 of the air purifier 50 and the filter unit 53. Otherwise, only the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided and located at some position among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash repetitively. to warn and at the same time inform other employees working near the employee of the t of abnormal operation of one of the air purifier 50 and the filter unit 53. Otherwise, the LEDs 58a, 58b, 58c, 58d, 58e and 58f in a certain position and the LEDs 58a, 58b, 58c, 58d, 58e and 58f in another position among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 flash alternately and repetitively to warn and at the same time inform the other employees working near the employee of the abnormal operating condition of one of the air purifier 50 and the filter unit 53. That is, when one of the purifier's Air 50 and filter unit 53 is in the abnormal operating state, to warn and at the same time to inform other employees working near the employee of the abnormal operating condition of one of the purifier. 50 and the filter unit 53, only the LEDs 58a, 58c, 58e located in odd positions based on the left side of the LEDs 5 8a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may emit and output a red color or only the LEDs 58b, 58d, 58f located in even positions among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may emit and output a red color. Otherwise, only the LEDs 58a, 58c, 58e located in odd positions based on the left side of the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may flash repetitive in red color or only the LEDs 58b, 58d, 58f in even positions among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may flash repetitively in red color . Otherwise, the respective LEDs 58a, 58b, 58c, 58d, 58e and. 58f provided on the LED warning window 58 may flash sequentially in red from left to right at regular time intervals or the respective LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may sequentially emit a red color from right to left at regular time intervals. Otherwise, only the LEDs 58a, 58c, 58e located in odd positions among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may flash sequentially and repetitively in the red color of left to right at regular time intervals or only the LEDs 58b, 58d, 58f located in even positions among the LEDs 58a, 58b, 58c, 58d, 58e and 58f provided on the LED warning window 58 may flash sequentially and repetitively in red from left to right at regular time intervals. However, the invention is not limited to this.
    [0022] As described above, while the employee carrying one of the air purifier 50 and the filter unit 53 is working, the other employees near the employee are informed and informed of an abnormal condition such as a battery discharged from the air purifier 50, an abnormality of a charge rate of the filter unit 53, and an error, failure and danger caused by the expiration of a period of operation and a replacement of the filter unit 53, thus preventing a dangerous situation in which the polluted external air which is not filtered or purified due to the anomaly of one of the purifier 50 and the filter unit 53 is inhaled by the employee or the user via the respirator 10. As described above, according to the embodiments of the present invention, it is possible to notify other employees who work near an employee for whom an abnormal condition such as a dead battery is occurring of an air purifier that purifies the polluted external air while working, an error caused by a blockage of a filter unit due to foreign substances, an abnormality of a charging rate of the unit of filter and an error, malfunction and danger caused by the expiration of an operating time and a replacement of the filter unit and inform the employee of the abnormal condition, thus preventing an urgent situation and a dangerous situation not recognized in advance by the employee. Also, according to the embodiments of the present invention, it is possible to prevent a dangerous situation in which the polluted external air may not be filtered or purified and may be inhaled by an employee through a Respiratory mask. It is available in an extreme environment such as a construction or civil engineering site, an enclosed workspace, a high-temperature workspace, and a workplace where hearing and seeing are not easy because of the noise or dust. It is possible to accurately recognize an abnormal condition of a respirator, an air purifier, and a filter unit, thus effectively protecting an employee from harmful gases and fine dust such as metal dust. and metal fumes and working continuously to improve work efficiency, which is very useful from an industrial point of view. It will be apparent to those skilled in the art that various modifications may be made to the exemplary embodiments of the present invention described above without departing from the spirit and scope of the invention. Thus, the present invention is intended to cover all such modifications provided they fall within the scope of the appended claims and their equivalents.
    权利要求:
    Claims (6)
    [0001]
    REVENDICATIONS1. Method for warning an abnormal condition of an air purifier (50) of a respirator (10) including the respirator mask (20) worn by an employee, the air purifier (50) being connected to the mask apparatus (20) via an air supply tube (30) and including a filter unit (53) for purifying polluted external air flowing therethrough, and a control unit provided for be controlled in the air purifier (50), wherein other employees near the employee carrying the air purifier (50) are informed and informed of an error, a malfunction and a situation of the air purifier (50) and the filter unit (53) via a light-emitting diode (LED) warning window (58).
    [0002]
    The method of claim 1, wherein LED colors (58a, 58b, 58c, 58d, 58e and 58f) of the LED warning window (58) are output differently to warn and at the same time inform other employees near the employee carrying the air purifier (50) of an air purifier (50) and filter unit (53) defect.
    [0003]
    The method of claim 1, wherein the LEDs (58a, 58b, 58c, 58d, 58e and 58f) of the LED warning window (58) are output to flash to warn and at the same time informing other employees near the employee carrying the air purifier (50) of an abnormality of the air purifier (50) and the filter unit (53).
    [0004]
    The method of claim 3, wherein flashing intervals of the LEDs (58a, 58b, 58c, 58d, 58e and 58f) are regular or irregular but repetitive.
    [0005]
    The method of claim 1, wherein flash patterns of the LEDs (58a, 58b, 58c, 58d, 58e and 58f) of the LED warning window (58) are outputted differently to warn and at the same time informing other employees near the employee carrying the air purifier (50) of an abnormality of the air purifier (50) and the filter unit (53). 15
    [0006]
    The method of claim 5, wherein the LED blinking patterns (58a, 58b, 58c, 58d, 58e and 58f) are output smoothly or irregularly but repetitively.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE102015007991A1|2016-01-07|
    US20160001103A1|2016-01-07|
    KR20160004079A|2016-01-12|
    FR3023174B1|2019-06-07|
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    法律状态:
    2016-06-24| PLFP| Fee payment|Year of fee payment: 2 |
    2017-06-26| PLFP| Fee payment|Year of fee payment: 3 |
    2018-03-23| PLSC| Search report ready|Effective date: 20180323 |
    2018-04-17| PLFP| Fee payment|Year of fee payment: 4 |
    2020-06-19| PLFP| Fee payment|Year of fee payment: 6 |
    2021-06-29| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    KR20140082491|2014-07-02|
    KR1020140082491A|KR20160004079A|2014-07-02|2014-07-02|Method for emergency warnining of pure air supplier of Respirator|
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