• 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:
    Vehicle seat (1) comprising at least one action means (4) adapted to act on a part of the body of a seat occupant (1), the action means (4) being controlled according to least one measurement of a sweat sensor (9) of the occupant of the seat (1).
    公开号:FR3051741A1
    申请号:FR1654888
    申请日:2016-05-31
    公开日:2017-12-01
    发明作者:Anne Isabelle Mallet；Samuel Baudu
    申请人:Faurecia Sieges dAutomobile SA；
    IPC主号:
    专利说明:

    Motor vehicle seat and method for managing the comfort of an occupant of such a seat
    The present invention relates to motor vehicle seats.
    In order to improve the comfort of the occupant of a motor vehicle, there are known seats provided with air conditioning means arranged to provide heating or ventilation at a surface of the seat in contact with which the occupant of the seat comes to position itself. Such seats include temperature or humidity sensors arranged at the surface of the seat to control the air conditioning means.
    However, a disadvantage of such a seat is that the temperature and humidity measurements necessarily depend on external parameters, for example the ambient climate in which the occupant is located. It is therefore necessary to have a temperature or ambient humidity sensor in order to compare the measurements of the sensors arranged at the seat with a reference measurement. This results in a more complex control of the air conditioning means of the seat.
    The present invention aims at least to solve this drawback. More specifically, the present invention is a simple device for improving the comfort of the occupant of a seat.
    Thus, the invention relates to a vehicle seat comprising at least one means of action adapted to act on a part of the body of a seat occupant, the action means being controlled according to at least one measurement of a sweat sensor of the occupant of the seat.
    The control of the means of action according to a measurement of sweat of the occupant provides a more reliable control, in particular independent of the ambient conditions independent of the occupant.
    In various embodiments of the invention, one or more of the following arrangements may also be used: the seat comprises a plurality of means of action, the means of action being arranged in individual areas of seat area; - The individualized areas of the seat surface respectively correspond to different parts of the body of an occupant; - the measurement of the sweat of the occupant of the seat is performed by at least one sweat sensor disposed in the seat; the measurement of the sweat of the occupant of the seat is carried out by at least one sweat sensor disposed directly in contact with the skin of the occupant; the sweat sensor is adapted to independently measure at least a first biomarker and a second biomarker; the first biomarker is characteristic of excess body heat of the occupant, and the second biomarker is characteristic of occupant stress; the means of action is a ventilation means, a heating means, a cooling means, and / or a massage means; and the seat comprises a presence sensor, the action means being controlled according to the measurement of the presence sensor. The invention also relates to a comfort management method of a seat occupant according to the invention, comprising the steps of: - obtaining at least one measurement of a sweat sensor of a seat occupant, - driving at least a means of action depending on the sweat measurement of the occupant of the seat.
    In one embodiment, the means of action is piloted as a function of a biomarker measured by the sweat sensor.
    In another embodiment, a plurality of means of action is piloted as a function of the measurement of the sweat sensor of the occupant of the seat, the means of action being arranged in different individualized areas of seat area.
    Of course the various features, variations and / or embodiments of the present invention may be associated with each other in various combinations to the extent that they are not incompatible or exclusive of each other.
    The present invention will be better understood and other characteristics and advantages will become apparent on reading the following detailed description comprising an embodiment given by way of illustration with reference to the appended figures, presented by way of non-limiting examples, which may be used to complete the understanding of the present invention and the presentation of its realization and, where appropriate, contribute to its definition, in which: - Figure 1 is a schematic side view of a vehicle seat in a form embodiment of the present invention; FIG. 2 is a front view of the vehicle seat of FIG. 1; - Figure 3 is a perspective view of the vehicle seat back of Figure 1; FIGS. 4A and 4B are views of individualized zones respectively of the backrest and the seat of the seat of FIG. 1; and - Figure 5 is a partial sectional view of the seat or the seat back of Figure 1.
    It should be noted that, in the figures, the structural and / or functional elements common to the various embodiments may have the same references. Thus, unless otherwise stated, such elements have identical structural, dimensional and material properties.
    For the sake of clarity, only the elements useful for understanding the described embodiments have been shown and will be detailed.
    In the description which follows, when reference is made to absolute position qualifiers, such as the terms 'forward', 'backward', 'up', 'down', 'left', 'right', etc., or relative, such as the terms 'above', 'below', 'above', 'below', etc., or with qualifiers for orientation, reference is made to a seat in a normal position of use of that in the direction of ordinary progression of the vehicle.
    Figure 1 shows a seat 1 of a motor vehicle having a seat 2 and a backrest 3 for receiving a seat occupant 1 in a sitting position.
    The seat 1 according to the invention, in particular the seat 2 and the backrest 3, comprises at least one means of action 4 on the occupant of the seat 1. By means of action, there is understood an element adapted to act on the seat. occupying the seat 1 to improve comfort, especially when the occupant is seated in the seat 1.
    According to one embodiment, the action means 4 is an air conditioning means 5.
    The air conditioning means is for example a ventilation means 5, also called fan 5. The fan 5 allows air circulation at the seat 1. The fan 5 may consist of an air intake, a blowing of air air or a combination of suction and air blowing alternately or simultaneously.
    According to another embodiment, the action means 4 is a heating means and / or a cooling means 6.
    A heating means 6 is advantageously constituted by an electrical resistance. The heating and / or cooling means 6 can however be produced by any other element known per se.
    According to another embodiment, the action means 4 is a massage means 7.
    The massage means 7 is adapted to massage a localized portion of the occupant's body. The massage means 7 may, for example, locally and temporarily deform the surface of the seat 1. For example, the massage means 7 may be rigid elements situated in the seat 1 and adapted to perform a repeated movement allowing a part to be massaged. of the occupant's body when it is seated in the seat 1.
    The examples of means of action 4 given above are purely illustrative and other means of action 4 can be envisaged to improve the comfort of the occupant of the seat 1. Moreover, the different types of means of action 4 can be combined in the same seat 1. The seat 1 can also include the same type of means of action 4 arranged in different locations of the seat 1.
    In particular, FIG. 3 illustrates an embodiment in which the backrest 3 comprises heating and / or cooling means 6 as well as localized ventilation and / or massage means 7.
    The means of action 4 of the seat 1 are connected to a control unit 8. The control unit 8 is, for example, an electronic control device comprising, in particular, an electronic control circuit. The control unit 8 can thus be specific to a seat 1, or manage the control of several seats. The control unit 8 can still be associated or integrated with a control unit managing the entire vehicle. The control unit 8 is adapted to drive action means 4 advantageously independently of each other.
    The means of action 4 are preferably arranged in several individualized areas of the seat surface. By seat surface, it includes the apparent surface of the seat 1 on which the occupant comes into contact, but also the surrounding surfaces such as side padding, etc..
    Each individualized zone is adapted to include at least one means of action 4. The location of the action means 4 in each zone makes it possible to manage the comfort of the occupant more precisely and with greater reactivity.
    As shown more particularly in FIG. 4A, which is a schematic representation of an example of the distribution of the different individualized areas of the surface of the backrest 3 of the seat 1, the surface of the backrest 3 can be divided into several individualized areas of the surface of the seat 1.
    Thus, according to the example of FIG. 4A, the backrest 3 comprises, in a vertical direction, from top to bottom: at least one upper zone 31, which advantageously corresponds to a bearing zone of the shoulders of the occupant of the seat 1, - at least one intermediate zone, which advantageously corresponds to a support zone of the torso of the occupant of the seat 1, and - at least one lower zone 34, which advantageously corresponds to a zone located at the level of the pelvis of the occupant of the seat 1.
    The intermediate zone may comprise: a first intermediate zone 32, which advantageously corresponds to a zone located at the level of the thoracic cage of the occupant of the seat 1, and a second intermediate zone 33, which corresponds to a support zone; lumbar vertebrae of the occupant of the seat 1.
    In addition, the backrest 1 may comprise at least one lateral zone 35, 36, preferably two lateral zones 35, 36 disposed on each side of the backrest 1. The lateral zones 35, 36 correspond to the lateral padding of the backrest 1.
    As shown more particularly in FIG. 4B, which is a diagrammatic representation of an example of distribution of the different individualized areas of the seat of the seat 2 of the seat 1, the surface of the seat 2 can also be divided into several individualized zones. seat surface.
    Thus, according to the example of FIG. 4B, the seat 2 comprises, in a longitudinal direction, from front to rear: at least one front zone 21, which advantageously corresponds to a zone located at a nose seat of the seat 1, - at least one intermediate zone 22, which advantageously corresponds to a support zone of the thighs of the occupant of the seat 1, and - at least one rear zone 23, which advantageously corresponds to a zone of support of the buttocks of the occupant of the seat 1.
    In addition, the seat 2 may comprise at least one lateral zone 24, 25, preferably two lateral zones 24, 25 disposed on each side. The lateral zones 24, 25 correspond to the lateral padding of the seat 2.
    According to one embodiment, the seat 1 comprises at least one sweat or perspiration detection means 9, also called sweat sensor 9.
    A sweat sensor 9 is adapted to measure a sweat level of the occupant of the seat 1, in particular when the latter is in a sitting position on the seat 1.
    Thus, the sweat sensor 9 makes it possible to detect the sweat of the occupant, which makes it possible to determine the moment of arrival then the presence of the occupant on the seat 1.
    The sweat sensor 9 can also be used to further quantify the sweat of the occupant.
    Furthermore, the sweat sensor 9 is adapted to determine the origin of the sweat of the occupant of the seat 1. In particular, the sweat sensor 9 is adapted to determine if the sweat of the occupant is due to excess body heat, stress, weariness of the occupant, etc.
    In particular, the sweat sensor 9 is adapted to measure one or more biomarkers contained in the sweat of the occupant. The biomarker may be a liquid or gaseous component.
    The biomarker of sweat may be, for example, an electrolyte, such as sodium, chloride, potassium or calcium ions.
    The biomarker may be a metabolite, such as lactate, creatinine, glucose, uric acid.
    The biomarker may be an amino acid, dehydroepiandrosterone (DHEA), cortisol, orexin-A.
    The biomarker may be a protein, such as interleukins, tumor necrosis factor, neuropeptide.
    Advantageously, the sweat can be linked to an excess of heat and can come from the eccrine sweat glands. The sweat generated then consists mainly of water and salt.
    Sweat can advantageously be linked to stress and can come from the apocrine glands. The sweat generated is then often acid and greasy.
    Thus, the sweat sensor 9 is adapted to detect a liquid or gaseous component related to stress, especially an odor for example.
    The sweat sensor 9 can also be adapted to measure a heart rate, in particular to measure the stress of the occupant.
    In one embodiment, the sweat sensor 9 is adapted to measure sweat from the apocrine glands for measuring the stress of the occupant.
    In another embodiment, the sweat sensor 9 is adapted to measure a biomarker and a heart rate for measuring the stress of the occupant.
    In another embodiment, the sweat sensor 9 is adapted to measure a biomarker in liquid form and a heart rate for measuring the stress of the occupant.
    In yet another embodiment, the sweat sensor 9 is adapted to measure a gaseous biomarker and a heart rate for measuring occupant stress.
    The stress-related biomarker measured by the sweat sensor 9 advantageously comes from the apocrine glands.
    The sweat sensor 9 is advantageously connected to the control unit 8. The action means 4 can then be controlled advantageously independently by the control unit 8 as a function of the measurement of the sweat sensor 9.
    In the embodiment shown in FIG. 2, the backrest 3 comprises two sweat sensors 9. The seat 2 also comprises two sweat sensors 9. Nevertheless, the embodiment illustrated in FIG. 2 is purely illustrative and the backrest 3 and / or the seat 2 may include a number or different location of sweat sensors 9 in the seat 1. In particular, each individualized area or individual areas of the seat 1 may include a sweat sensor 9.
    The distribution of sweat sensors 9 in the seat 1 can determine the position of the occupant on the seat 1, being considered that a local sweat detection indicates the presence of a body part of the occupant in contact with the seat 1.
    The possibility of thus detecting individually, in different locations of the seat or at least in certain locations of the seat, for example the rear area 23 of the seat 2 or the lower area 34 of the backrest 3, the presence of a contact with the seat. occupying the seat makes it possible to obtain an indication of presence of the occupant and / or an indication of the occupant's position, for example a right bust or a slumped position.
    Thanks to the distribution of sweat sensors 9 in different areas of the seat surface, and the individualization for each measurement zone obtained by these different sensors 9, it is also possible to determine a state of sweat of the occupant in each surface area. The means of action 4 of each zone can then be controlled according to the measurements provided by the sweat sensors 9.
    In addition, the control independently of the means of action 4 in each individualized area minimizes the energy consumption necessary for the comfort of the occupant. Thus, only the locally required means of action 4 are controlled, and the zones that do not require specific action are inactive and therefore do not require any energy.
    FIG. 5 illustrates a local sectional view of the seat 2 or the backrest 3 of the seat 1. More specifically, FIG. 5 illustrates an example of an arrangement of a means of action 4 and a sweat sensor 9 in a seat 1.
    As illustrated in FIG. 5, the seat 1 comprises a padding 10, in particular a padding of the backrest and a padding of the seat.
    The seat 1 comprises a structural layer 11, preferably in direct contact with the padding 10 of the seat 1. The structural layer 11 is a layer made of a material for maintaining an air circulation zone even though the seat is busy. Advantageously, the structural layer 11 has a limited level of compression to allow the flow of air.
    The structural layer 11 is surmounted by a layer of foam 12, preferably a layer of perforated foam 12. The foam layer 12, in particular the perforated foam layer 12, also allows air circulation.
    In addition, the seat 1 comprises a seat cap 13 disposed above the padding 10 of the seat 1, more specifically above the structural layer 11, and / or the foam layer 12.
    As illustrated in FIG. 5, the sweat sensor 9 is preferably placed above the foam layer 12. More particularly, the sweat sensor 9 is placed under the seat cap 13. Such an arrangement makes it possible to dispose the sensor sweat 9 closer to the surface of the seat 1 and therefore the occupant of the seat.
    As illustrated in FIG. 5, the action means 4 is placed in the padding 10 of the seat 1. The action means 4 can then be a fan 5. The assembly composed of the structural layer 11 and the foam 12, allows a passage and a distribution of the air circulated by the fan 5.
    Alternatively not shown in the figures, the action means 4 can be placed directly under the seat cap 13, or placed above the foam layer 12. The action means 4 can then be a means of heating and / or cooling 6 or a massage means 7.
    A method of managing the comfort of an occupant of a seat 1 according to an embodiment of the invention is described below.
    In a first step, the sweat of the seat occupant 1 is detected.
    The sweat sensor 9 is preferably disposed in the seat 1, as described above. According to this embodiment, if the measurement value of the sweat sensor 9 evolves rapidly, it can be considered that an occupant is seated in the seat 1. According to an embodiment in which the seat 1 comprises a plurality of sweat sensors 9, it is also possible to determine the position of the occupant on the seat 1.
    However, the detection of sweat of the occupant can also be achieved by any other means, regardless of seat 1 of the occupant.
    Thus, in one embodiment, the sweat sensor may consist of a device directly disposed to the bodily contact of the occupant, such as a body patch. The sweat sensor may also be a portable device, such as a mobile phone for example. The device then communicates via a wired or wireless link with the control unit 8.
    In another embodiment, the sweat sensor may be a non-contact detector, for example optical. The sweat sensor can detect the sweat of an occupant at a distance, for example on the face. Such a detector can for example operate by passive thermal imaging.
    More generally, it is possible to combine several sweat sensors in several different ways to obtain one or more sweat measurements of the occupant.
    The sweat sensor 9 measures the amount of perspiration and / or biomarkers of the sweat of the occupant.
    In a second step, the sweat sensor 4 transmits the measurement to the control unit 8.
    In a third step, the control unit 8 makes it possible to control the means of action 4 depending on the type and / or amount of sweat detected by the sweat sensor or sensors 9.
    Control by the control unit 8 is preferably automatic. A control algorithm then makes it possible to determine the control of the means of action 4 as a function in particular of the measurements of the sweat sensor (s) 9.
    For example, the control unit 8 can trigger the control of the means of action 4 if the amount of sweat exceeds a threshold value or undergoes rapid changes in time. The algorithm can also take into account other external or occupant-specific data to determine the control of the means of action 4. Such an algorithm can for example specify that the backrest 1 is heated more than the seat 2, and that the temperature felt over the entire surface of the seat is homogeneous.
    However, in addition, a manual control mode of the control unit 8 is also possible.
    The control of the means of action 4 are controlled according to the measurement of the sweat sensor 9. For example, if the sweat sensor 9 can detect a stress-specific biomarker, the control unit 8 controls a massage means 7 so as to relax the occupant. If the sweat sensor 9 makes it possible to detect a biomarker specific to an excess of heat, the control unit controls an air conditioning means, such as a fan 5 or a cooling means 6, so as to lower the body heat of the body. 1''occupant.
    It is also possible to have a sensor, for measuring the temperature and / or ambient humidity (not shown in the figures). The sensor for measuring the temperature and / or the ambient humidity is advantageously provided in the seat 1. The temperature and / or ambient humidity sensor is then connected to the control unit 8.
    The triggering or the speed of the means of action 4, for example air conditioning means 5, are then adjusted, preferably in real time, as a function of the ambient temperature and / or the humidity measured by the temperature sensor and / or ambient humidity.
    Thanks to the distribution of several sweat sensors 9 in different areas of the surface of the seat 1, and the individualization for each zone of the measurements obtained by these different sensors 9, it is possible to determine a state of transpiration in each zone of surface, and independently control the means of action 4 of each zone according to the values provided by the sensors. This helps the occupant to find and maintain a state of optimal comfort.
    For example, it may be possible to compensate locally for excess perspiration in certain parts of the user's body, for example at the lumbar level, by increased ventilation, while taking into account the different heat and ventilation requirements in the patient's body. other parts of the body, for example requiring more heat.
    The control of the means of action 4 in each zone may also depend on the sweat sensors 9 in other areas. This makes it possible to take into account the situation of the neighboring areas, for example to avoid to the occupant the feeling of a strong ventilation in an area and a lack of ventilation in an adjacent zone.
    When the values provided by the sweat sensors 9 make it possible to consider that the occupant has found an adequate level of comfort, in particular an acceptable transpiration value, the means of action 4 are stopped, preferably automatically.
    The seat 1 may also include at least one presence sensor 14 for detecting the presence of the occupant, advantageously distinct from the sweat sensor 9. The presence sensor 14 may for example be a pressure sensor, a capacitive sensor, or any other type of sensor.
    The presence sensor 14 may for example be located in the seat 2. As illustrated in FIG. 2, it is also conceivable to have several presence sensors 14 distributed in different locations or individualized zones of the seat 1, thus making it possible to better identify the position of the occupant in the seat 1.
    The presence sensors, such as a pressure sensor 14, can be used to supplement the position detection carried out by means of the sweat sensor 9, it being considered that a detection of a pressure exerted is an indication of the presence of the occupant.
    The measurement of the presence sensors 14 then also make it possible to control the means of action 4 in each zone of the seat 1, according to the morphology or the position of the occupant in the seat 1.
    Of course, the invention is not limited to the embodiments described above and provided solely by way of example. It encompasses various modifications, alternative forms and other variants that may be considered by those skilled in the art in the context of the present invention and in particular any combination of the different modes of operation described above, which can be taken separately or in combination.
    权利要求:
    Claims (12)
    [1" id="c-fr-0001]
    Vehicle seat (1) comprising at least one means of action (4) adapted to act on a part of the body of a seat occupant (1), characterized in that the action means (4) is driven according to at least one measurement of a sweat sensor (9) of the occupant of the seat (1).
    [2" id="c-fr-0002]
    2. Seat according to claim 1, comprising a plurality of means of action (4), the action means (4) being arranged in individualized areas of seat surface (21-25; 31-36).
    [3" id="c-fr-0003]
    3. Seat according to claim 2, wherein the individualized surface areas of the seat (21-25; 31-36) respectively correspond to different parts of the body of the occupant.
    [4" id="c-fr-0004]
    4. Seat (1) according to any one of the preceding claims, wherein the measurement of the sweat of the occupant of the seat (1) is performed by at least one sweat sensor (9) disposed in the seat (1). .
    [5" id="c-fr-0005]
    5. Seat (1) according to any one of claims 1 to 3, wherein the measurement of the sweat of the seat occupant (1) is performed by at least one sweat sensor (9) disposed directly in contact with the skin of the occupant.
    [6" id="c-fr-0006]
    6. Seat (1) according to any one of the preceding claims, wherein the sweat sensor (9) is adapted to independently measure at least a first biomarker and a second biomarker.
    [7" id="c-fr-0007]
    The seat (1) according to claim 6, wherein the first biomarker is characteristic of excess occupant body heat, and the second biomarker is characteristic of occupant stress.
    [8" id="c-fr-0008]
    8. Seat, (1) according to any one of the preceding claims, wherein the action means (4) is a ventilation means (5), a heating means, a cooling means (6), and / or a massage means (7).
    [9" id="c-fr-0009]
    9. Seat (1) according to any one of the preceding claims, comprising at least one presence sensor (14), the action means (4) being controlled according to a measurement of the presence sensor (14).
    [10" id="c-fr-0010]
    10. A method of managing the comfort of a seat occupant (1) according to any one of the preceding claims, comprising the steps of: - obtaining at least one measurement of a sweat sensor (9) of an occupant of the seat (1), - drive at least one means of action (4) of the seat (1) according to the sweat measurement of the occupant of the seat (1).
    [11" id="c-fr-0011]
    11. The method of claim 10, wherein the actuating means (4) is driven according to a biomarker measured by the sweat sensor (9).
    [12" id="c-fr-0012]
    12. The method of claim 10 or 11, wherein a plurality of means of action (4) is controlled according to the measurement of the sweat sensor (9) of the occupant of the seat (1), the means of action (4) being arranged in different individualized areas of seat area (21-25; 31-36).
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    同族专利:
    公开号 | 公开日
    DE102017111908A1|2017-11-30|
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    US20170341549A1|2017-11-30|
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    法律状态:
    2017-04-20| PLFP| Fee payment|Year of fee payment: 2 |
    2017-12-01| PLSC| Publication of the preliminary search report|Effective date: 20171201 |
    2018-04-23| PLFP| Fee payment|Year of fee payment: 3 |
    2019-04-19| PLFP| Fee payment|Year of fee payment: 4 |
    2020-04-22| PLFP| Fee payment|Year of fee payment: 5 |
    2021-04-21| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1654888|2016-05-31|
    FR1654888A|FR3051741B1|2016-05-31|2016-05-31|MOTOR VEHICLE SEAT AND METHOD FOR MANAGING THE COMFORT OF AN OCCUPANT OF SUCH A SEAT|FR1654888A| FR3051741B1|2016-05-31|2016-05-31|MOTOR VEHICLE SEAT AND METHOD FOR MANAGING THE COMFORT OF AN OCCUPANT OF SUCH A SEAT|
    DE102017111908.6A| DE102017111908A1|2016-05-31|2017-05-31|An automotive seat and method for comfort handling an occupant of such a seat|
    US15/610,132| US11110832B2|2016-05-31|2017-05-31|Automobile seat and method for management of the comfort of an occupant of such a seat|
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