CN107244272B - Film semiconductor device for temperature control of vehicle seats - Google Patents
Film semiconductor device for temperature control of vehicle seats Download PDFInfo
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- CN107244272B CN107244272B CN201710408779.4A CN201710408779A CN107244272B CN 107244272 B CN107244272 B CN 107244272B CN 201710408779 A CN201710408779 A CN 201710408779A CN 107244272 B CN107244272 B CN 107244272B
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- heat
- temperature
- thin film
- seat
- silicone grease
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5678—Heating or ventilating devices characterised by electrical systems
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to a thin film type semiconductor device for regulating the temperature of an automobile seat, which comprises a thin film type semiconductor (4), a temperature sensor (6), a control module and a heat exchanger; two film type semiconductors (4), called films for short, are in a square ring shape and are respectively fixed on the back and the hip area of the chair; a temperature sensor (6) is respectively arranged in the middle of each of the two films; the control module is arranged at the left rear part of the bottom of the seat; the heat exchanger is arranged at the right rear part of the bottom of the seat. The invention can realize the temperature regulation of the back and the hip area of the chair in a larger area, and reduces the requirement of the sitting posture of the human body on the installation and fixing position of the temperature regulation device; the functions of refrigeration and heating are realized; due to the characteristics of the thin film type semiconductor, the temperature control device has rapid response when the temperature of the seat is regulated, has relatively uniform temperature distribution, can rapidly provide proper temperature for the back and the hip area of a passenger, and greatly improves the riding comfort.
Description
Technical Field
The invention relates to a technology for regulating the temperature of an automobile seat, which is an application of a thin film type semiconductor technology in the field of regulating the temperature of the automobile seat.
Background
The increasing annual automobile production and sales volume means that automobiles have already become popular consumer products, and meanwhile, the requirement of people on the riding comfort of automobiles is continuously increased. Although the air conditioning system in the automobile can improve the riding comfort of the passengers to a certain extent, the areas where the automobile seats are in contact with the body cannot be effectively heated or cooled in time, so that the environmental temperatures felt by different parts of the body of the passengers have certain differences, and the driving comfort of the passengers is not facilitated. Especially in summer, the temperature in the vehicle is higher, and the air conditioning system can not effectively cool the whole vehicle in the process of cooling the whole vehicle, so that the temperatures of the back and the hip of a passenger are still higher due to the fact that the contact area of the passenger and a seat can not be effectively cooled for a long time, and the passenger can adapt to the ambient temperature by continuously adjusting the sitting posture, so that the comfort of the passenger is influenced, and the driving safety is further influenced.
With the development of the thermoelectric semiconductor technology, thin film type semiconductor materials with the thickness of micron order can be prepared. The semiconductor material works based on the Peltier effect, the refrigerating temperature difference at room temperature can reach 67 ℃ approximately, the response time is in the second level, and the thin film type semiconductor is not limited by the installation space and is convenient to install, so that the temperature can be quickly adjusted in the limited inner space of the automobile seat.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to quickly adjust the temperature of an automobile seat, a thin film semiconductor device for adjusting the temperature of the automobile seat is provided to improve the comfort of passengers and improve the user experience.
The invention adopts the following technical scheme for solving the technical problems:
the invention provides a thin film semiconductor device for regulating the temperature of an automobile seat, which comprises a thin film semiconductor, a temperature sensor, a control module and a heat exchanger, wherein: the two film type semiconductors are square ring-shaped and are respectively fixed on the back and the hip area of the chair; the middle parts of the two films are respectively provided with a temperature sensor; the control module is arranged at the left rear part of the bottom of the seat; the heat exchanger is arranged at the right rear part of the bottom of the seat.
The heat-conducting silicone grease is tightly attached to the lower portion of the seat surface and coated with a layer of uniform heat-conducting silicone grease, the heat-conducting silicone grease is bonded with the edge of the hollow area in the middle of the film, a square annular polystyrene foam board is arranged around the heat-conducting silicone grease to serve as a heat insulation layer, the area where the layer of heat-conducting silicone grease is located, namely the hollow area in the middle of the film is a working area, and the periphery of the film is a non-working area.
A square ring-shaped heat insulation layer is arranged in the non-working area, and the material of the heat insulation layer is polystyrene foam, so that heat or cold in the area is prevented from being transmitted to the surface of the seat.
The thin film is tightly attached to the lower part of the thin film and coated with a layer of heat-conducting silicone grease in a shape like a Chinese character 'hui', the heat-conducting silicone grease is adhered to the peripheral area of the thin film, and a plurality of circles of fine copper wires are embedded in the layer of heat-conducting silicone grease along the periphery; thin copper wires at the hip and the back of the seat are led out and then connected with a multi-fin radiator at the bottom of the seat, and then a ventilation pipe is led out from an air outlet of an automobile air conditioning system to exchange heat for the radiator.
The control module consists of a control unit and a temperature sensor, the temperature sensor transmits the measured temperature to the control unit, and the control unit is connected with the current input end of the film and controls the magnitude of the input current according to the input signal; the control unit consists of a singlechip and an input/output circuit.
The heat exchanger constitute by the inside thin copper wire of heat conduction silica gel to and the multiple fin radiator and the ventilation pipe of seat bottom, wherein: the thin copper wires are connected with the bottoms of the multi-fin radiators after being led out, the ventilation pipe is connected with an automobile air conditioning system, and cold air or hot air of an air conditioner is led out to exchange heat for multiple areas of the radiators.
The shape of the thin film type semiconductor is similar to a square ring shape, and the local part of the thin film type semiconductor is hollowed out, so that the influence of a heat bypass on the temperature difference establishment process is reduced.
And the square-ring-shaped heat-conducting silicone grease is arranged below the thin film type semiconductor, the periphery of the square-ring-shaped heat-conducting silicone grease is tightly contacted with the electrode material 41 in the peripheral area of the thin film, the heat or the cold of the square-ring-shaped heat-conducting silicone grease is absorbed, and then the heat or the cold is transmitted to the thin copper wires in the thin film.
And a plurality of small fans are additionally arranged below the square annular heat-conducting silicone grease, and the heat-conducting silicone grease bonded with the edge of the hollow area in the middle of the film is made into a porous structure, namely porous heat-conducting silicone grease, so that the ventilation function of the seat is realized.
The control module selects according to the mode of refrigeration and heating, combines the most comfortable temperature interval of human body: the temperature is 19-24 ℃ in summer and 17-22 ℃ in winter, and the temperature is always kept in the most comfortable temperature range by adopting closed-loop switch control.
Compared with the prior art, the invention has the following main beneficial effects:
(1) the temperature control device has compact volume, can realize the temperature control of the back and the hip area of the seat in a large area, and reduces the requirement of the sitting posture of a human body on the installation and fixing position of the temperature control device;
(2) meanwhile, the chair has the functions of refrigeration and heating, the structure in the chair is simplified, and a resistance wire for heating the chair is omitted;
(3) due to the characteristics of the thin film type semiconductor, the temperature control device has rapid response when the temperature of the seat is regulated, has relatively uniform temperature distribution, can rapidly provide proper temperature for the back and the hip area of a passenger, and greatly improves the riding comfort.
The preparation method can meet the customized requirements according to the current preparation of the thin film type semiconductor material, the maximum refrigerating temperature difference can reach 67 ℃ at room temperature, and the refrigerating power density is only 5-10W/cm2The response time is in the order of seconds. The film type semiconductor device adopted by the invention has the advantages that the comfort is not much different from that of a common seat due to the adopted flexible heat conduction and heat insulation material, but the temperature can be reduced to a proper range within tens of seconds compared with the traditional temperature control seat during refrigeration, and the film type semiconductor device has the advantage of rapid refrigeration.
Drawings
FIG. 1 is a schematic view showing the structure of a thin film type semiconductor device for temperature adjustment of a seat of an automobile according to the present invention, in which a seat is not deformed before an occupant sits thereon (a) and is deformed after the occupant sits thereon (b), respectively;
fig. 2 is a schematic structural view of a thin film semiconductor employed in the present invention.
Fig. 3 is a schematic view of the thermally conductive silicone grease and thermal barrier layer of the present invention placed between the thin film semiconductor and the seat skin.
Fig. 4 is a schematic structural view of the square ring-shaped heat-conducting silicone grease and the thin copper wires therein, which are disposed under the thin film semiconductor in the present invention.
Fig. 5 is a schematic view of an example of the present invention to which a ventilation function of a human seat is added.
In the figure: 1. the automobile air-conditioning system comprises a seat skin, 2 parts of heat-conducting silicone grease, 3 parts of a square annular heat-insulating layer, 4 parts of a thin-film semiconductor, 5 parts of square annular heat-conducting silicone grease, 6 parts of a temperature sensor, 7 parts of a thin copper wire, 8 parts of an air outlet of an automobile air-conditioning system, 9 parts of a multi-fin radiator, 10 parts of a small fan, 11 parts of porous heat-conducting silicone grease, 41 parts of an electrode material, 42 parts of a thermoelectric thin-film material, 43 parts of a thin-film substrate, 44 parts of a hollow area and 45 parts of a hollow area.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the present invention is not limited thereto.
The invention provides a thin film semiconductor device (device for short) for regulating the temperature of an automobile seat, which consists of a thin film semiconductor 4, a sensor, a control module and a heat exchanger, wherein: the film type semiconductor 4 (film for short) has two pieces, which are in a square ring shape and are respectively fixed on the back and the hip area of the chair. The heat-conducting silicone grease is tightly attached to the lower portion of the seat skin 1 and coated with a layer of uniform heat-conducting silicone grease, the heat-conducting silicone grease is bonded with the edge of the hollow area in the middle of the film, a square annular polystyrene foam board is arranged around the heat-conducting silicone grease to serve as a heat insulation layer, the area where the layer of heat-conducting silicone grease is located, namely the hollow area in the middle of the film is a working area, and the periphery of the film is a non-working area. The thin film is tightly attached to the lower part of the thin film and coated with a layer of heat-conducting silicone grease in a shape like a Chinese character 'hui', the heat-conducting silicone grease is adhered to the peripheral area of the thin film, and a plurality of circles of fine copper wires 7 with good heat conduction are embedded in the layer of heat-conducting silicone grease along the periphery. Thin copper wires at the hip and the back of the seat are led out and then connected with a multi-fin radiator 9 at the bottom of the seat, and then a ventilation pipe is led out from an air outlet 8 of an automobile air conditioning system to exchange heat for the radiator. The temperature sensors 6 are respectively arranged in the middle of the two films. The control module can carry out automatic temperature adjustment according to the most comfortable temperature of a human body in the refrigerating and heating modes and in combination with signals of the sensor, meets the comfort requirement of a driver, and has the advantages of rapid refrigerating (heating), small occupied space, compact structure and low energy consumption.
And the control module is arranged at the left rear part of the bottom of the seat. The control module consists of a control unit and a temperature sensor 6 positioned in the middle of the film, wherein: the temperature sensor 6 is located in the middle of the membrane in the seat for measuring the temperature felt by the driver, and the temperature sensor 6 transmits this signal to the control unit, which is connected to the current input of the membrane and which controls the magnitude of the input current in dependence on the input signal.
And the heat exchanger is arranged at the right rear part of the bottom of the seat. This heat exchanger comprises the inside thin copper wire 7 of heat conduction silica gel, the multiple-fin radiator 9 and the ventilation pipe of seat bottom, wherein: the thin copper wires 7 in the heat-conducting silica gel are led out and then connected with the bottom of the radiator, the ventilation pipe is connected with an air conditioning system, and cold air (or hot air) 8 led out of the air conditioner exchanges heat with a plurality of areas of the radiator 9. The film substrate 43 is selectively provided according to the size of the seat for producing the thin film type semiconductor 4. A thermoelectric thin film material 42 is provided on a thin film substrate 43 for generating a peltier effect.
The thin film semiconductor 4 may be sized according to the size requirements of the seat, such as GMZ Energy, etc. The thin film semiconductor 4 has a structure as shown in fig. 2, which is similar to a square ring, and has a partially hollowed-out area (hollowed-out area 44 and surrounding hollowed-out area 45 in fig. 2) to reduce the influence of the thermal bypass on the temperature difference establishment process.
The temperature regulation in the back area and in the hip area of the seat is the same except for the optimum temperature interval set in the control unit. The manner of temperature regulation in the seat hip region will now be described in detail.
The seat skin 1 may be made of a common fabric or a leather material. Not only has certain heat-conducting property, but also can ensure certain beauty and comfort. The heat conduction silicone grease is tightly attached to the lower surface of the seat skin 1, a layer of heat conduction silicone grease 2 is closely laid to be attached to the working area of the film, the layer of heat conduction silicone grease 2 is adhered to the edge of the hollow area 44 in the middle of the film, the layer of heat conduction silicone grease is directly contacted with the seat skin to directly provide cold or heat for passengers, and therefore the area where the part of heat conduction silicone grease is located is the working area; then a layer of square annular heat insulation layer 3 is arranged on the periphery of the seat and is attached to a non-working area of the film, the square annular heat insulation layer 3 is made of polystyrene foam and used for preventing heat or cold in the area from being transmitted to the surface of the seat, and therefore the part is the non-working area; the material of this layer has a certain elasticity, which ensures a certain comfort, as shown in fig. 3.
Below the heat exchange layer is the thin film semiconductor 4 used in this embodiment, as shown in fig. 2. The semiconductor film is similar to a square ring, and the local part of the semiconductor film is hollowed out (a hollowed-out area 44 and a surrounding hollowed-out area 45 in fig. 2), so that the influence of a thermal bypass on the temperature difference establishment process is reduced. Then, the outline of the heat-conducting silicone grease 2 is slightly larger than the hollow area 44 in the middle of the film, so that the heat-conducting silicone grease 2 can be conveniently bonded with the edge of the hollow area 44. The square annular heat insulation layer 3 above the film is in contact with the electrode material 41 in the hollow area 44, and the square annular heat insulation layer 3 has the functions of heat preservation and heat insulation and has a certain protection effect.
The square-ring-shaped heat-conducting silicone grease 5 (shown in figure 4) is arranged below the thin-film type semiconductor 4, the middle part of the square-ring-shaped heat-conducting silicone grease is hollow, the periphery of the square-ring-shaped heat-conducting silicone grease is in close contact with the electrode material 41 in the peripheral area of the thin film, the heat or the cold of the square-ring-shaped heat-conducting silicone grease is absorbed. The thin copper wires 7 are connected with a multi-fin radiator 9 at the bottom of the seat. Because of the good thermal conductivity of the thin copper wires, even if the heat or cold of the non-working area can be transferred to the radiator, the temperature of the thin film type semiconductor part in the non-working area can be basically consistent with the surface temperature of the radiator, and then the cold or hot air introduced by the air conditioning system exchanges heat, so that the normal use of the device is ensured.
The electrode material 41 is a copper-based thin film and has good conductivity.
The power supply of the thin film semiconductor and the temperature sensor is provided by an on-board battery. The temperature sensor 6 is installed inside the heat conductive silicone grease 2 of the middle working area of the seat back and hip area for measuring the seat surface temperature. The control system controls the current passing through the semiconductor film according to the signal of the temperature sensor, and further controls the refrigerating capacity or the heating capacity. And because of the characteristics of the thin film type semiconductor, when the current introduced into the thin film type semiconductor changes the direction, the working area of the thin film can be switched between the modes of refrigeration and heating.
When the automobile seat temperature adjusting mode is in a refrigeration mode, the current introduced into the film enables the working area of the film to be in the refrigeration working mode. When the whole device starts to work, the temperature sensor 6 measures the temperature of the surface of the seat, if the temperature is higher than 24 ℃, the current introduced into the film is larger so as to rapidly cool the surface of the seat, when the temperature of the surface of the seat is lower than 24 ℃ but higher than 19 ℃, the control unit reduces the current introduced into the film so as to reduce the refrigerating capacity, and when the temperature is lower than 19 ℃, the control unit reduces the current introduced into the film to 0.
In the invention, when the automobile seat temperature adjusting mode is in a heating mode, the current introduced into the film is reversed, so that the working area of the film is in the heating working mode. When the whole device starts to work, the temperature sensor measures the temperature of the surface of the seat, if the temperature is lower than 17 ℃, the current introduced into the film is large so as to rapidly heat the surface of the seat, when the temperature of the surface of the seat is higher than 17 ℃ but lower than 22 ℃, the control unit reduces the current introduced into the film so as to reduce the heating capacity, and when the temperature is higher than 22 ℃, the control unit reduces the current introduced into the film to 0.
In addition to the above embodiments, if several small fans 10 are additionally installed below the square ring-shaped heat-conducting silicone grease 5, and the heat-conducting silicone grease 2 is made into a porous structure (i.e., porous heat-conducting silicone grease 11), the seat ventilation function can be realized. Such an embodiment is slightly modified with respect to the previous embodiments and obviously shall be within the scope of protection of the present invention.
The invention provides a film type semiconductor device for regulating the temperature of an automobile seat, which comprises the following working processes:
when the automobile seat temperature adjusting device is in a refrigeration mode, the current introduced into the film enables the working area of the film to be in the refrigeration working mode. The control system controls the magnitude of the current flowing into the thin film semiconductor 4 in combination with the temperature information measured by the temperature sensor 6. When the workspace refrigerates, the non-workspace can produce certain heat, and these heats are transmitted to copper wire 7 among them through the heat conduction silicone grease 5 of film lower part square ring shape, through the good heat conductivity of copper wire, these heats are transmitted to the radiator 9 of seat bottom, and then dispel the heat to radiator 9 surface through cold wind 8 that air conditioning system led, guarantee the normal work of workspace. And the square ring-shaped polystyrene foam heat insulation layer 3 on the upper part of the surface of the seat ensures that the heat in the non-working area is transmitted to the radiator in a one-way manner, thereby ensuring the comfort of passengers. Similarly, the operation process in heating is the same as that described above.
Claims (6)
1. A thin film type semiconductor device for temperature adjustment of an automobile seat, characterized by comprising a thin film type semiconductor (4), a temperature sensor (6), a control module and a heat exchanger, wherein: two film type semiconductors (4), called films for short, are in a square ring shape and are respectively fixed on the back and the hip area of the chair; a temperature sensor (6) is respectively arranged in the middle of each of the two films; the control module is used for automatically adjusting the temperature according to the most comfortable temperature of a human body in the cooling and heating modes and in combination with signals of the sensor, so that the comfort requirement of a driver is met, and the control module is arranged at the left rear part of the bottom of the seat; the heat exchanger is arranged at the right rear part of the bottom of the seat;
the heat-conducting silicone grease is tightly attached to the lower part of the seat skin (1), a layer of uniform heat-conducting silicone grease is coated, the heat-conducting silicone grease is bonded with the edge of the hollow area in the middle of the film, a square annular polystyrene foam board is arranged around the heat-conducting silicone grease to serve as a heat-insulating layer, the area where the layer of heat-conducting silicone grease is located, namely the hollow area in the middle of the film is a working area, and the periphery of the film is a non-working area;
a layer of square annular heat insulation layer (3) is arranged in the non-working area, and the material of the square annular heat insulation layer is polystyrene foam which is used for preventing heat or cold in the area from being transmitted to the surface of the seat;
the heat exchanger comprises inside thin copper wire (7) of heat conduction silica gel to and multiplate radiator (9) and the ventilation pipe of seat bottom, wherein: the thin copper wires (7) are connected with the bottoms of the multi-fin radiators after being led out, the ventilation pipes are connected with an automobile air conditioning system, and cold air or hot air of an air conditioner is led out to exchange heat for multiple areas of the radiators;
the thin film type semiconductor (4) is partially hollowed out, so that the influence of a thermal bypass on the temperature difference establishing process is reduced.
2. The thin film semiconductor device according to claim 1, wherein a layer of heat conductive silicone grease is coated in a zigzag shape closely under the thin film, the heat conductive silicone grease is bonded to the peripheral region of the thin film, and the thin copper wires (7) are embedded in the layer of heat conductive silicone grease along the periphery; thin copper wires at the hip and the back of the seat are led out and then connected with a multi-fin radiator (9) at the bottom of the seat, and then a ventilation pipe is led out from an air outlet (8) of an automobile air-conditioning system to exchange heat for the radiator.
3. The thin film semiconductor device according to claim 1, wherein the control module is composed of a control unit and a temperature sensor (6), the temperature sensor (6) transmits the measured temperature to the control unit, the control unit is connected to a current input terminal of the thin film, and controls the magnitude of the input current according to the input signal; the control unit consists of a singlechip and an input/output circuit.
4. The thin film semiconductor device according to claim 1, wherein a square ring-shaped heat conductive silicone grease (5) is provided under the thin film semiconductor (4), and the periphery thereof is in close contact with the electrode material (41) in the peripheral region of the thin film, absorbs heat or cold thereof, and then is transferred to the fine copper wires (7) inside.
5. The thin film type semiconductor device according to claim 4, wherein a plurality of small fans (10) are additionally installed below the square ring shaped heat conductive silicone grease (5), and the heat conductive silicone grease (2) bonded to the edge of the hollow area in the middle of the thin film is made into a porous structure form, i.e., a porous heat conductive silicone grease (11), so as to realize the ventilation function of the seat.
6. The thin film semiconductor device of claim 1, wherein the control module selects a temperature range most comfortable for a human body according to a mode of cooling and heating: the temperature is 19-24 ℃ in summer and 17-22 ℃ in winter, and the temperature is always kept in the most comfortable temperature range by adopting closed-loop switch control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408779.4A CN107244272B (en) | 2017-06-02 | 2017-06-02 | Film semiconductor device for temperature control of vehicle seats |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408779.4A CN107244272B (en) | 2017-06-02 | 2017-06-02 | Film semiconductor device for temperature control of vehicle seats |
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| CN107244272A CN107244272A (en) | 2017-10-13 |
| CN107244272B true CN107244272B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710408779.4A Expired - Fee Related CN107244272B (en) | 2017-06-02 | 2017-06-02 | Film semiconductor device for temperature control of vehicle seats |
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| CN (1) | CN107244272B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464691A (en) * | 2018-03-26 | 2018-08-31 | 武汉理工大学 | A kind of intelligent temperature control woollen blanket based on semiconductive thin film |
| CN108501782A (en) * | 2018-05-22 | 2018-09-07 | 盐城市九洲汽车配件有限公司 | A kind of automotive seat and the displacement air-supply arrangement on automotive seat |
| CN109532593B (en) * | 2018-12-24 | 2020-04-28 | 西安交通大学 | Air-cooled cooling seat for automobile |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080087316A1 (en) * | 2006-10-12 | 2008-04-17 | Masa Inaba | Thermoelectric device with internal sensor |
| CN201841984U (en) * | 2010-10-16 | 2011-05-25 | 吴海荣 | Cooling and heating type automobile seat cushion |
| CN202271879U (en) * | 2011-10-29 | 2012-06-13 | 吉林大学 | Air conditioning seat for car |
| CN102837628A (en) * | 2012-08-21 | 2012-12-26 | 姜大伟 | Seat temperature control module device |
| CN206107025U (en) * | 2016-10-20 | 2017-04-19 | 江苏友邦精工实业有限公司 | Car seat temperature regulating system |
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2017
- 2017-06-02 CN CN201710408779.4A patent/CN107244272B/en not_active Expired - Fee Related
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