CN201276038Y - Heating cushion with pressure sensor for vehicle seat - Google Patents
Heating cushion with pressure sensor for vehicle seat Download PDFInfo
- Publication number
- CN201276038Y CN201276038Y CNU2008200725612U CN200820072561U CN201276038Y CN 201276038 Y CN201276038 Y CN 201276038Y CN U2008200725612 U CNU2008200725612 U CN U2008200725612U CN 200820072561 U CN200820072561 U CN 200820072561U CN 201276038 Y CN201276038 Y CN 201276038Y
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- CN
- China
- Prior art keywords
- pressure sensor
- plastic film
- temperature sensor
- heating mat
- electric heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses an electric heating mat which is provided with a pressure sensor and is used for a vehicle seat. The electric heating mat comprises an electric heating mat, and an electric heater, a heat protector and a temperature sensor are arranged in the electric heating mat, wherein the heat protector is connected with the electric heater in series, the heat protector and the electric heater are electrically connected with a vehicle power supply through a temperature control circuit, the temperature sensor is arranged in the electric heating mat and is communicated with the temperature control circuit, and the electric heating mat also comprises the pressure sensor arranged in the electric heating mat or below the surface of the vehicle seat, and the pressure sensor is connected with the temperature sensor in series. As the pressure sensor controlled by the gravity of a human body is additionally arranged in the electric heating mat for the vehicle seat, the utility model increases the safety in the use of the vehicle electric heat seat, can prevent the occurrence of a fire and simultaneously avoid the unnecessary waste of the electric power of a vehicle battery jar.
Description
Technical field
The utility model relates to a kind of automotive seat electricity consumption heating cushion, particularly a kind of automotive seat electricity consumption heating cushion that has pressure sensor.
Background technology
The electro heat pad is housed in the existing automobile electrothermic chair to be used for heating, the power supply control of automobile electrothermic chair mainly is to rely on automobile key switch and the dual control of temperature sensor of itself, after key switch is connected, the automobile electrothermic chair begins heating, and when reaching the temperature of setting, temperature sensor passes to control circuit with this temperature value signal, automatically cut off the electricity supply by control circuit, when drop in temperature during to the temperature value set, control circuit is energized automatically again, makes the automobile electrothermic chair continue heating.
This kind temperature control mode has two shortcomings: the one, in case temperature sensor is malfunctioning, then the automobile electrothermic chair can infinitely heat up, and finds untimely meeting presence of fire; The 2nd, the automobile stagnation of movement need not after, forget and close key switch, then the automobile electrothermic chair also continues heating, has wasted the electric energy of automobile storage battery, the time has been grown, the electricity of storage battery can be drained, automobile can't start once more.
The utility model content
The purpose of this utility model is to solve that above-mentioned automobile electrothermic chair power supply exists is dangerous and forget the problem of PTO Power Take Off waste storage battery electric power, and provides a kind of can overcome the automotive seat electricity consumption heating cushion that above-mentioned shortcoming has pressure sensor.
The utility model includes an electro heat pad; be provided with electric heater, thermal protector, temperature sensor in this electro heat pad; wherein thermal protector and electric heater are cascaded; thermal protector and electric heater are electrically connected with automobile power source by temperature control circuit; temperature sensor is arranged in the electro heat pad; temperature sensor is communicated with temperature control circuit; also has a pressure sensor; this pressure sensor is arranged in the electro heat pad or under the seat support flush coat of automotive seat, this pressure sensor is connected with temperature sensor.
Principle of work of the present utility model and beneficial effect are as follows:
After automobile key switch is opened, the power supply of automobile storage battery is passed to the electro heat dig pass of automotive seat, when not taking on the automotive seat, the pressure sensor access failure, at this moment, temperature sensor is off state, and temperature sensor does not send signal to temperature control circuit, to the power supply of electro heat pad, automotive seat do not generate heat in temperature control circuit control.When automotive seat are taken, pressure sensor touches down and conducting in the pressure of human body gravity, and automotive seat begin heating, and automotive seat are in the process of always taking, the size of its temperature is by temperature sensor and temperature control circuit control and regulation, after riding in people on the automobile electrothermic chair and leaving, pressure sensor disconnects, at this moment, temperature sensor is off state, temperature sensor does not send signal to temperature control circuit, and to the power supply of electro heat pad, automotive seat do not stop heating in temperature control circuit control.
The utility model is to have increased a pressure sensor by the human body gravity control in automotive seat electricity consumption heating cushion, increased the safety that the automobile electrothermic chair uses, and can avoid the generation of fire, can avoid the waste of unnecessary automobile storage battery electric power simultaneously.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model.
Fig. 2 is the structural representation of the pressure sensor of the utility model embodiment.
Fig. 3 touches the switch cutaway view for the pressure of the utility model embodiment.
The specific embodiment
See also shown in Figure 1; be embodiment of the present utility model; it includes an electro heat pad 1; be provided with electric heater 2 in this electro heat pad 1; thermal protector 3; temperature sensor 4; electric heater 2 used heater elements wherein can be common resistor wire or carbon fiber wire or carbon film or metallic membranes; thermal protector 3 is cascaded with electric heater 2; thermal protector 3 and electric heater 2 are electrically connected with automobile power source 6 by temperature control circuit 5; temperature sensor 4 is arranged in the electro heat pad 1; temperature sensor 4 is communicated with temperature control circuit 5; also has a pressure sensor 7; this pressure sensor 7 is arranged in the electro heat pad 1 or under the seat support flush coat of automotive seat, this pressure sensor 7 is connected with temperature sensor 4.
See also Fig. 2, shown in Figure 3, concrete structure for the pressure sensor of the utility model embodiment, in the embodiment of this pressure sensor 7, pressure sensor 7 is distributed with ten pressures and touches switch 71, these ten pressures are touched switch 71 and are connected in parallel, this pressure sensor 7 is by upper strata plastic film 72, middle level plastic film 73,74 heat seals of lower floor's plastic film constitute together, the upper strata plastic film 72 wherein and the inner face of lower floor's plastic film 74 be overlapping to be printed with silverskin 75 and carbon film 76 as lead, it is silverskin 75 by corresponding upper strata plastic film 72 inner faces that pressure is touched switch 71, the silverskin 75 of carbon film 76 and lower floor's plastic film 74 inner faces, carbon film 76 constitutes, pressure is touched middle level plastic film 73 hollow outs at switch 7 places, act on as pressure and to press when touching switch 7, the silverskin 75 of upper strata plastic film 72 inner faces, the silverskin 75 of carbon film 76 and lower floor's plastic film 74 inner faces, carbon film 76 contacts and conducting, ten pressures are touched switch 71 connection wherein, and then pressure sensor 7 is with regard to conducting; Press when touching switch 7 when no pressure acts on, silverskin 75, the carbon film 76 of the silverskin 75 of upper strata plastic film 72 inner faces, carbon film 76 and lower floor's plastic film 74 inner faces disengage and disconnect.In addition, pressure is touched switch 71 and is not limited to ten, presses the quantity of touching switch 71 to decide according to the area of actual needs and electro heat pad 1.
Claims (2)
1; a kind of automotive seat electricity consumption heating cushion that has pressure sensor; include an electro heat pad; be provided with electric heater in this electro heat pad; thermal protector; temperature sensor; wherein thermal protector and electric heater are cascaded; thermal protector and electric heater are electrically connected with automobile power source by temperature control circuit; temperature sensor is arranged in the electro heat pad; temperature sensor is communicated with temperature control circuit; it is characterized in that: also have a pressure sensor; this pressure sensor is arranged in the electro heat pad or under the seat support flush coat of automotive seat, this pressure sensor is connected with temperature sensor.
2, a kind of automotive seat electricity consumption heating cushion that has pressure sensor according to claim 1, it is characterized in that: described pressure sensor is distributed with several pressures and touches switch, this pressure sensor is to be made of upper strata plastic film, middle level plastic film, lower floor's plastic film heat seal together, the upper strata plastic film wherein and the inner face of lower floor's plastic film be overlapping to be printed with silverskin and carbon film as lead, it is that silverskin, carbon film by silverskin, carbon film and lower floor's plastic film inner face of corresponding upper strata plastic film inner face constitutes that pressure is touched switch, presses the middle level plastic film hollow out of touching the switch place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200725612U CN201276038Y (en) | 2008-10-13 | 2008-10-13 | Heating cushion with pressure sensor for vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200725612U CN201276038Y (en) | 2008-10-13 | 2008-10-13 | Heating cushion with pressure sensor for vehicle seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201276038Y true CN201276038Y (en) | 2009-07-22 |
Family
ID=40893618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200725612U Expired - Fee Related CN201276038Y (en) | 2008-10-13 | 2008-10-13 | Heating cushion with pressure sensor for vehicle seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201276038Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390303A (en) * | 2011-09-15 | 2012-03-28 | 张海涛 | Intelligent seat comfort device |
| CN104108331A (en) * | 2014-06-30 | 2014-10-22 | 吴祖豪 | Automobile seat with adjustable temperature |
| CN105365629A (en) * | 2015-12-08 | 2016-03-02 | 许海龙 | Intelligent cooling vehicle cushion |
-
2008
- 2008-10-13 CN CNU2008200725612U patent/CN201276038Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390303A (en) * | 2011-09-15 | 2012-03-28 | 张海涛 | Intelligent seat comfort device |
| CN104108331A (en) * | 2014-06-30 | 2014-10-22 | 吴祖豪 | Automobile seat with adjustable temperature |
| CN105365629A (en) * | 2015-12-08 | 2016-03-02 | 许海龙 | Intelligent cooling vehicle cushion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20141013 |
|
| EXPY | Termination of patent right or utility model |