• 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 function selection device (1) comprises a handwheel (2) and a display surface (3), the handwheel (2) and the display surface (3) being accommodated in a housing element (4). The handwheel (2) is rotatable relative to the housing element (4), wherein the handwheel has a receiving element (21) for receiving in the housing element (4). The handwheel has an actuating element (22) and a signal generator (23). The signal generator (23) can be activated by the rotation of the actuating element (22). From the signal generator (23), a signal (6) can be generated, which corresponds to the position of the actuating element (22) with respect to the housing element (4). The signal (6) can be detected by an evaluation unit (5). The signal (6) from the evaluation unit (5) a picture element (31) can be assigned, wherein the picture element (31) on the display surface (3) can be displayed.
    公开号:CH711497A2
    申请号:CH01284/15
    申请日:2015-09-07
    公开日:2017-03-15
    发明作者:Giger Ulrich；Bäbler Florian；Bäbler Kaspar
    申请人:Giger Ulrich；Bäbler Florian；Bäbler Kaspar；
    IPC主号:
    专利说明:

    The invention relates to a function selection device. This function selection device is particularly suitable for a processing device for food, especially for baked goods. In particular, the invention relates to a function selection device for the loading, unloading or operation of a vacuum cooling device.
    For the operation of machine touch screens are increasingly used, for example, in US 20 130 100 032 A1, whereby the cost of wiring and signal and controls significantly reduced and the display options can be significantly improved. However, it has been found, especially in harsh working environments, that wear and soiling can significantly affect the function of touchscreens. In these or other sterile work environments, for example, touchscreens often need to be operated with gloves on. Touch screens, which exploit the electrical conductivity of the skin surface, can only be operated after removing the gloves, which represents an additional operating effort. In other work environments, gloves may not be removed for reasons of hygiene or contamination, such as in sterile environments or clean rooms, so touchscreens that have a robust, chemical-resistant glass surface can not be used. Depending on the surface used, therefore, frequently used fields can be worn faster, which significantly reduces the life of touch screens.Therefore, there is a need for an alternative to a touchscreen by which a manual function selection can be made. It is known to make a selection of functions with a handwheel, wherein the handwheel should also enable operation with gloves, so that a simple and safe operation can be guaranteed. A variety of hand gripping control handhold solutions have been proposed, for example in the form of knobs, see e.g. US 1 901 599, FR 675 211. In particular, DE 938 528 shows a variant which shows a handle for a hand with gloves. Other solutions, for example, provide an oval shape with openings for improved retention, e.g. US 2 206 431 A, US 2 347 135 A or asymmetric handwheel US 2 881 638. These handwheels are primarily used for controlling vehicles, wherein the function selection is limited to the selection of the direction of travel, ie a mechanical coupling between the rotational movement of the steering wheel and the hereby triggered change of direction of the vehicle takes place.
    It is also the combination of a handwheel with various controls known, see DE 2 043 907 A. If these controls have sufficient size, they can also be operated with a glove. It is also known to trigger horns or the like by a pressure element in the steering wheel, see, for example, AU 527 343 B. Also, the use of a plurality of easy-to-use switches in a steering wheel is known from JP 60 076 443. Control methods can also be carried out with such a steering wheel, see, for example, EP 1 129 885 A2. Also special handle forms for such hand control wheels and their connection to the steering control have been developed, see EP 1 282 550 B1. A manual control wheel with a handle with a display for carrying out a control method is shown in EP 1 686 039 B1. On an information unit designed as a display data about operating conditions of a truck are displayed. The information unit has a plurality of actuators in the form of selector switches, with which the driver can change or initiate desired operating conditions of the truck. If these selection switches are adjacent to each other, especially when they are operated with work gloves, it can easily lead to operator errors.
    Therefore, a need exists for a function selection device which avoids these disadvantages and allows the user to select and / or initiate a function from a plurality of alternatives without errors.
    The object is achieved by a function selection device according to claim 1. Further advantageous embodiments are subject of the dependent claims 2 to 10.
    When the term "for example" is used in the following description, this term refers to embodiments and / or embodiments, which is not necessarily to be understood as a more preferred application of the teachings of the invention. Similarly, the terms "preferred," "preferred," are understood to refer to an example of a variety of embodiments and / or embodiments, which is not necessarily to be understood as a preferred application of the teachings of the invention. Accordingly, the terms "for example," "preferred," or "preferred," may refer to a plurality of embodiments and / or embodiments.The following detailed description contains various embodiments of the inventive function selection device and the inventive function selection method. The function selection method may be performed using different software, so that the description of a particular software is to be considered as exemplary only. In the description and claims, the terms "include," "include," "exhibit" are interpreted as "including, but not limited to ...".
    A function selection device comprises a hand wheel, as well as a display surface. The hand wheel and the display surface are received in a housing member. The hand wheel is rotatable relative to the housing element. The handwheel has a receiving element for receiving in the housing element. The handwheel has an actuating element and a signal generator, wherein the signal generator can be activated by the rotation of the actuating element. From the signal generator, a signal can be generated, which corresponds to the position of the actuating element with respect to the housing element. The signal can be detected by an evaluation unit. The signal can be assigned by the evaluation unit a picture element, wherein the picture element can be displayed on the display surface.
    According to one embodiment, the display surface comprises a display. On the display surface according to an embodiment, a plurality of pixels can be displayed. The picture element may comprise an information display element and / or at least one information selection element. The information display element may display information about the selected information selection element. Rotational movement of the handwheel can ever select one of the information selection elements.
    According to one embodiment, by rotation of the actuating element 22 of the handwheel 20, a picture element 31 can be displayed, which has a plurality of sides. These pages form a page selection menu. Each of the pages may be configured as an information selection element. By means of the rotation each of the sides can be selected. The selected page may differ in color, pattern or brightness from the other pages not selected.
    According to one embodiment, the handwheel may be displaceable in the direction of the axis of rotation. For example, it may occupy a first position or a second position. In particular, the handwheel may be located farther away from the housing element in the first position than in the second position.
    According to one embodiment, by shifting the handwheel, the function corresponding to the selected information selection element can be triggered. By shifting the handwheel, the signal associated with the information selection element can be changed, wherein the changed signal from the evaluation unit can be converted into an instruction for triggering the function. For example, the function may include selecting a page from a page selection menu.
    For example, the function may include selecting a page from a page selection menu. In turn, a plurality of information selection elements can be provided for the selected page. The function may, for example, also include the activation of an actuator, for example a movement of a device may be initialized or terminated. In particular, the movement can be controlled manually. The direction of movement of the actuator corresponds to the direction of rotation of the handwheel. The manual movement control can be used in particular for a test operation, for example for the testing of new functions or for the targeted positioning of, for example, a food to be manipulated.
    The handwheel, for example, in a direction that is aligned substantially normal to the display surface, be movable so that it can assume a first position or a second position. In the first position of the handwheel, for example, a function selection is possible. In the second position of the handwheel, for example, the function release is possible.
    According to one embodiment, the actuating element may have a screening. The grid may in particular have a plurality of projections. The projections can be designed such that they can also be felt through a glove, so that a clear selection of a function is made possible even when operating the hand wheel with gloves. In particular, a groove element can be provided between two adjacent projections. The distance between the projection and groove bottom of the groove element may be at least 5 mm. The grid can contain at least one element of the group of grooves, ribs or tooth elements.
    According to one embodiment, the signal generator may be formed as a magnetic element by means of which the handwheel in the user-selected position in the housing element is durable. In particular, the signal generator can be activated by the position of the magnetic element, wherein a signal can be generated by the signal generator, which signal is assigned to the position of the magnet on the housing element.
    According to one embodiment, the handwheel may include an indication element. The indication element can have an optical display function. In particular, the display function may include a warning function. For example, the indication element can be designed as a warning light. By means of the indication element, the user can be notified that the function selection device is busy with the execution or execution of a function or that the function selection device is in the ready state.
    According to one embodiment, the function selection device may be part of a processing device for food. In particular, the food processing apparatus may include a transport device for transporting the food. In one embodiment, the processing device may be configured to perform a processing step of a food. In particular, the transport of the food into or out of the processing device and / or a processing step of the food by the function selection device may be controllable. Optionally, a plurality of processing steps may also be selectable by the function selection device and / or the selected processing step may be regulated by means of the function selection device.
    In one embodiment, the processing device may include a positioning device. A positioning device may include an extendable rail for positioning a load, for example a rack for receiving goods stored in this rack. Such an extendable rail can be used as described for example in EP 15 170 756 for a longitudinal displacement and / or lifting and / or lowering of a load used. In particular, such an extendable rail can serve to receive a pallet or a rack containing the products to be processed. The frame may in particular be a rack cart for receiving baked goods. The frame may be fed to a processing device by means of the positioning device containing the extendable rail and may be removed again after completion of the processing operation of the processing device. The processing device may be, for example, an oven or a cooling device. In particular, baked goods stored on the rack can be positioned in a vacuum chamber and removed again from the vacuum chamber after completion of the vacuum cooling process.
    The processing device according to one embodiment may include a vacuum cooling device. The vacuum cooling device may include vacuum chamber for cooling food, especially hot baked goods. The vacuum chamber may in particular contain a product chamber for receiving the food for its cooling and a deposition chamber. By means of the function selection device, a control unit for the coolant quantity and / or the coolant temperature of the vacuum cooling device can be operated. In particular, the amount of coolant may be a quantity of condensed water. In particular, the coolant temperature may be a condensed water temperature. According to one embodiment, a control unit for the amount of condensed water and / or the condensed water temperature may be provided.
    According to one embodiment, a vacuum pump may be connected to the deposition chamber. The vapor extracted from the vacuum chamber by the vacuum pump may be passed into a steam condenser in which the vapor from the product chamber is cooled and condensed. The steam condenser may include a refrigerant, as well as a steam introducing element, whereby the steam is introduced into the refrigerant. The temperature of the coolant may be adjustable.
    According to one embodiment, the vacuum chamber can be ventilated via a servo valve. The ventilation of the vacuum chamber can therefore be regulated by means of the servo valve. In particular, the regulation of the ventilation can also take place via the formulation, that is to say the sequence of instructions for carrying out the processing steps in the processing apparatus. Such a cooling program, according to one embodiment, may include instructions for aeration during the vacuum cooling process. For ventilation of the vacuum chamber fresh air can be introduced into the vacuum chamber.
    The function selection device can be used for example for controlling a vacuum pump for the vacuum cooling device. With a variable speed vacuum pump all food can be cooled, that is, it can be an arbitrary course of the vacuum cooling can be realized, in particular, an additional moistening of the food can be omitted.If a steam condenser is formed as part of the vacuum cooling device, an additional pressure vessel for water separation in the vacuum line is dispensed with. The vacuum pump operates almost exclusively during the cooling period since the speed can be controlled with the function selector. The vacuum pump does not have to be switched off, it can continue to run in standby mode. In standby mode, the vacuum pump does not work, so that by means of the function selection device, an energetically favorable operation of the vacuum cooling device is made possible. In particular, the speed of the vacuum pump is proportional to the pressure in the vacuum chamber. By changing the speed of the vacuum pump thus the pressure in the vacuum chamber can be adjusted. Between the vacuum chamber and the vacuum pump, a vacuum line may be arranged, which contains a shut-off element and / or a control element which can interrupt the connection between the vacuum chamber and vacuum line, especially in emergencies or for revision work.
    According to one embodiment, at least one of the subsequent method steps can be controlled with the function selection device. In a first step, the vacuum chamber is charged with foods to be cooled. In a second step, the food is assigned a cooling program. In a third step, the vacuum chamber is closed. In a fourth step, a vacuum pump is put into operation to evacuate the vacuum chamber, wherein the pressure in the vacuum chamber is detected with a pressure gauge, the pressure gauge converts the pressure into a pressure measuring signal, wherein the pressure measuring signal is fed to a control unit. The control unit may be connected to the function selection device or be controlled by the function selection device. In particular, the control unit can contain a memory element or be accessed via the function selection device to a memory element. In particular, the storage element may include the refrigeration program for each food to be refrigerated. According to one embodiment, the cooling program may include a desired pressure profile. The desired pressure curve corresponds to the desired pressure, wherein at least one point in time within the cooling period, the pressure measuring signal can be compared with the target pressure at this time. The desired pressure can be assigned to the setpoint speed of the vacuum pump by means of the function selection device or according to the method instructions of the cooling program. In particular, the vacuum pump may be equipped with a tachometer to measure the operating speed of the vacuum pump. At least one time, the speed of the vacuum pump can be compared with the target speed. By means of the function selection device, the speed can be manually adjusted to the target speed if required. By controlling the speed can be made sure that the pressure at all times substantially corresponds to the target pressure as well as be avoided to operate the vacuum pump for longer periods of too high power. Under pressure in this application, a negative pressure with respect to the atmospheric pressure to understand. As a result, the power requirement of the vacuum pump can therefore be reduced by up to 30%.Alternatively, a temperature measurement can be made, which can serve as a basis for regulating the pressure. The temperature measurement can be done, for example, by a thermocouple, which measures the temperature of the food. This means that in particular the core temperature in the food, for example a pastry, is recorded. The temperature can be controlled by the pressure, because as the pressure drops, so does the temperature of the vacuum chamber. The measured temperature is converted into a temperature measuring signal in the temperature measuring device. The temperature measurement signal is supplied to the control unit. The control unit includes a storage element containing the refrigeration program. The cooling program in this case contains a function which describes the dependence of the pressure on the temperature. The function assigns a pressure to the temperature and calculates a setpoint speed of the vacuum pump that corresponds to the pressure.The function selection device is thus used in a particularly advantageous manner when employees have to work with gloves because of the high or low occurring temperatures of the food storage containers, for example racks, pallets and the like. The gloves do not have to be removed to operate the function selection device, so that the manual operation is facilitated and error-free operation with gloves is possible.
    Embodiments of the invention will be explained with reference to the drawings. Show:<Tb> FIG. 1 <SEP> is a view of a function selection device according to a first embodiment,<Tb> FIG. 2 <SEP> is a view of the display surface of the function selection device according to FIG. 1,<Tb> FIG. 3 <SEP> is a detail of the function selection device according to a first embodiment,<Tb> FIG. 4 <SEP> is a view of the handwheel according to FIG. 3.
    The function selection device 1 illustrated in FIG. 1 comprises a handwheel 2 and a display surface 3. The handwheel 2 and the display surface 3 are accommodated in a housing element 4. The handwheel 2 is rotatable relative to the housing element 4. The housing element 4 is stationary and can be connected to a processing device, by means of which a product can be produced, in particular a food product. The handwheel has a receiving element 21 for receiving in the housing element 4. Furthermore, the handwheel on an actuating element 22 and a signal generator 23. The signal generator 23 can be activated by rotation of the actuating element 22. From the signal generator 23, a signal 6 can be generated, which corresponds to the position of the actuating element 22 on the housing element 4. The signal 6 can be detected by an evaluation unit 5. Optionally, the signal 6 may be converted to an electrical voltage or current. The signal 6 reaches the evaluation unit 5 via a signal line 51. The signal 6 can be assigned a picture element 31 by the evaluation unit 5. The information about the picture element 31 assigned to the signal 6 by the evaluation unit 5 can be assigned to the display surface via a signal line 52. The picture element 31 can be displayed on the display surface 3. The display surface 3 may in particular include a display 30. On the display 30, a plurality of picture elements can be displayed. In particular, the picture element 31 may comprise an information display element 32 and / or at least one information selection element 33. In particular, the signal 6 detected by the evaluation unit 5 can be selectable as an information selection element 33, wherein the information display element 32 displays information about the selected information selection element 33.
    The display surface 3 may have a security element 37, by means of which any function sequence can be interrupted. In particular, the security element can be designed as an emergency stop element. Furthermore, a reset element 38 can be provided on the display surface. With this reset element all functions can be returned to the basic or initial position.
    Fig. 2 shows a view of the display surface 3, in particular the display 30. On the display 30, a plurality of pixels 31 is displayed. The picture elements 31 can stand out from the image background by a delimiting line, for example a frame. One of the picture elements 31 is formed as an information display element 32. Four further picture elements 31 are shown, which are designed as information selection elements 33, 34, 35, 36. For example, the information selection element 33 can be selected by the signal 6 detected by the evaluation unit 5. The selection of one of the information selection elements may be optically displayed to the user by a different coloration of the information selection element or by a different brightness of the information selection element. The information display element 32 displays information on the selected information selection element 33 for this case. If the user effects a change of the signal 6 by changing the position of the signal generator 23 on the housing element 4 by rotation of the hand wheel 20, the signal 6 in the evaluation unit 5 is assigned a different value. This value corresponds to the selection of another information selection element, for example, the information selection element 34. When the user continues rotation of the handwheel in the same direction of rotation, the information selection element 35 and finally the information selection element 36 are selected. If the user continues the rotation of the handwheel even further, the information selection element 32 is displayed again. The number of four information selection elements is to be considered as an example only. The user may be presented with more or less information selection elements on the display surface 3 accordingly. When the user changes the direction of rotation, the information selection items are selected in reverse order.
    According to one embodiment can be displayed by rotation of the actuating element of the handwheel 20, a picture element having a plurality of sides. These pages form a page selection menu. Each of the pages may be configured as an information selection element. By means of the rotation each of the sides can be selected. The selected page may differ in color, pattern or brightness from the other pages not selected.
    Fig. 3 shows a section through a part of the function selection device 1, which shows the handwheel 2. The handwheel has an actuating element 22, which is connected to a receiving element 21. The receiving element 21 is arranged in a recess 41, 42 of the housing element 4. The recess 41, 42 is shown in Fig. 3 in section. The recess 41, 42 may be formed in multiple stages. The receiving element 21 is rotatably mounted in the recess 41 and in the recess 42. In particular, each of the recesses 41, 42 is rotationally symmetrical with respect to the axis of rotation 10 of the handwheel. The recesses 41, 42 have in particular a circular cross-section. The recess 41 has a larger diameter than the recess 42. A spring element 43 extends between a shoulder 27 which is formed between a first sub-element 28 and a second sub-element 29 of the receiving element. By the spring element 43, the handwheel is held at a first distance from the housing element 4. The hand wheel 20 may include a magnetic element 25 by means of which the handwheel in the user-selected position in the housing element is durable. The magnetic element can cooperate with one or more magnetic elements 45, 46, which are arranged on the housing element 4. The magnetic element 25 may be formed as a signal generator 23 or contain the signal generator. Due to the position of the magnetic element 45, 46 relative to the one or more magnetic elements of the housing element, a magnetic or electric field is induced, which can be transmitted as signal 6 from the signal generator 23 to the evaluation unit 5. Optionally, the signal generator 23 may also include a conversion element which can convert the electrical or magnetic field into an electrical voltage or current.
    The hand wheel may be movable in a direction substantially normal to the display surface so that it may assume a first position or a second position. In particular, the handwheel may be displaceable along its axis of rotation 10. In the first position, the function selection by the user is in the second position, the function is selected by the user and an action is triggered. In particular, the handwheel may be moved from the first position to the second position when the user applies pressure to the handwheel. The handwheel is pressed against the housing element against the restoring force acting by the spring element. For example, this can reduce the distance between the handwheel and the surface of the housing element. By reducing the distance, for example, the magnetic field is amplified, which builds up between the magnetic element 25 and the magnetic element 45. This amplification of the magnetic field causes a change in the signal 6, for example, an amplification of the signal 6. This change in the signal 6 is registered by the evaluation unit 5 and assigned to a function that has been selected by the pressure on the handwheel by the user. This means that the modified signal is converted into a signal for triggering a function in the evaluation unit. This function is the function associated with the user selected information selection item.
    Fig. 4 shows the hand wheel 20 in a view from above. The actuator 22 has a grid 26, so that the actuator 22 is movable with gloves. The screening 26 is mounted according to this embodiment on the circumference of the handwheel. The grid has a plurality of projections, wherein the projections are formed such that they are also felt by a glove, so that even when operating the hand wheel with gloves a clear and thus error-free selection of a function can be made. The handwheel has an indication element 24, which can be designed as a lamp. This indication element is preferably arranged along the axis of rotation 10 of the handwheel. This indication element can indicate whether a function selection is to be made by means of the handwheel or confirmation of the function selection takes place. The indication element may, for example, be in a flashing mode or a continuous light mode if it is not switched off. In the blinking mode, it can indicate to the user that he is in the function selection mode and can still select a function. In continuous light mode, the user is signaled that he has made a selection and that the function associated with the selection is being executed. When the function is executed, the indication element can switch off. Alternatively or in addition thereto, the indication element can indicate to the user the status of the function selection by different colors. The indication element can also be designed as a pin element which, depending on the selection status, is at a different height with respect to the surface of the handwheel.
    It will be apparent to those skilled in the art that many other modifications are possible in addition to the described embodiments without departing from the inventive concept. The object of the invention is thus not limited by the foregoing description and is determined by the scope of protection defined by the claims. The widest possible reading of the claims is decisive for the interpretation of the claims or the description. In particular, the terms "contain" or "include" are to be interpreted as referring to elements, components or steps in a non-exclusive sense, to indicate that the elements, components or steps may or may be present can be combined with other elements, components, or steps that are not explicitly mentioned. If the claims refer to an element or component from a group which may consist of A, B, C ... N elements or components, that formulation should be interpreted as requiring only a single element of that group, and not a combination of A and N, B and N, or any other combination of two or more elements or components of this group.
    权利要求:
    Claims (10)
    [1]
    1. A function selection device (1) comprises a handwheel (2), and a display surface (3), wherein the handwheel (2) and the display surface (3) are accommodated in a housing element (4), wherein the handwheel (2) relative to Housing element (4) is rotatable, wherein the handwheel has a receiving element (21) for receiving in the housing element (4), wherein the handwheel an actuating element (22) and a signal generator (23), wherein the signal generator (23) by the rotation of Actuator (22) is activated, wherein the signal generator (23) a signal (6) can be generated, which corresponds to the position of the actuating element (22) with respect to the housing element (4), wherein the signal (6) from an evaluation unit (5 ) is detectable, characterized in that the signal (6) from the evaluation unit (5) a picture element (31) can be assigned, wherein the picture element (31) on the display surface (3) can be displayed.
    [2]
    2. Function selection device (1) according to one of the preceding claims, wherein the display surface (3) comprises a display.
    [3]
    3. function selection device (1) according to any one of the preceding claims, wherein on the display surface (3) a plurality of picture elements (31) can be displayed, wherein the picture element (31) an information display element (32) and / or at least one information selection element (33, 34 , 35, 36), wherein the information display element (32) displays information about the selected information selection element.
    [4]
    4. Function selection device (1) according to claim 3, wherein by rotational movement of the handwheel (20) each one of the information selection elements (33, 34, 35, 36) is selectable.
    [5]
    5. Function selection device (1) according to one of the preceding claims, wherein the handwheel (29) in the direction of the axis of rotation (10) is displaceable.
    [6]
    6. Function selection device (1) according to claim 5, wherein by displacement of the handwheel (20) the selected information selection element (33, 34, 35, 36) corresponding function is triggered.
    [7]
    7. Function selection device (1) according to one of the preceding claims, wherein the actuating element (22) has a screening.
    [8]
    8. Function selection device (1) according to one of the preceding claims, wherein the signal generator (23) is designed as a magnetic element (25) by means of which the handwheel (20) in the user-selected position in the housing element (4) is stable.
    [9]
    9. Function selection device (1) according to one of the preceding claims, wherein the handwheel includes an indication element (24).
    [10]
    A food processing apparatus comprising a function selection device (1) according to any one of the preceding claims, wherein the transport of the food to or from the processing device and / or a processing step of the food is controllable by the function selection device.
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    同族专利:
    公开号 | 公开日
    CH711497B1|2019-08-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2020-06-15| PUE| Assignment|Owner name: GLAVATEC AG, CH Free format text: FORMER OWNER: ULRICH GIGER, CH |
    优先权:
    申请号 | 申请日 | 专利标题
    CH01284/15A|CH711497B1|2015-09-07|2015-09-07|Function selector.|CH01284/15A| CH711497B1|2015-09-07|2015-09-07|Function selector.|
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