CN104015587A - Vehicle-mounted constant temperature device - Google Patents
Vehicle-mounted constant temperature device Download PDFInfo
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- CN104015587A CN104015587A CN201410264659.8A CN201410264659A CN104015587A CN 104015587 A CN104015587 A CN 104015587A CN 201410264659 A CN201410264659 A CN 201410264659A CN 104015587 A CN104015587 A CN 104015587A
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- vehicle
- control circuit
- circuit
- heating wire
- dependent resistor
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- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a vehicle-mounted constant temperature device which is characterized by comprising a thermistor, a control circuit, a switching circuit and an electric heating wire. The thermistor is connected with the control circuit to detect changes of temperature outside a vehicle. The control circuit is connected with the switching circuit to control the switching circuit to be opened or closed. The switching circuit is connected with the electric heating wire to control the electric heating wire to be heated or not heated. In winter, air entering the vehicle can be rapidly heated so that it can be ensured that the air entering the vehicle is warm, and therefore it is ensured that the temperature inside the vehicle is constant. The vehicle-mounted constant temperature device has the advantages of being easy to obtain, safe, reliable, fully automatic and the like.
Description
Technical field
The present invention relates to field of intelligent control technology, particularly a kind of vehicle-mounted thermostat.
Background technology
Automotive ventilation is very important for occupant's health, shows particularly evidently on bus.Air conditioning for automobiles can regulate temperature, the humidity etc. in car well, but its power consumption is larger, and cost is higher, and more crucial is, and some gas that air conditioning for automobiles produces is in the course of the work harmful.In renovated bus, the best mode of air is still passed through ventilation window natural ventilation.And at Cold Winter, car internal-external temperature difference is larger, ventilation window ventilation can make vehicle interior temperature sharply decline, and brings a burst of nip in the air to indoor occupant.As can be seen here, developing ventilation calorstat a and that ventilation window is supporting necessary, is also very significant for improving people's living standard.
Because the long-time use of air conditioning for automobiles can have a negative impact to health, especially very large for pregnant woman, infant, the elderly's etc. adverse effect.Consider the importance of automotive ventilation, ad hoc meter a can with the matching used ventilation calorstat of automobile air window.
Summary of the invention
For the deficiencies in the prior art, invent a kind of vehicle-mounted thermostat, even if it is also can basic guarantee vehicle interior temperature relatively constant to ventilate with ventipane in cold winter, can not cause temperature sharply to decline.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of vehicle-mounted thermostat, is characterized in that, it comprises: thermally dependent resistor, control circuit, switch circuit, heating wire; Described thermally dependent resistor is connected with described control circuit, the outer temperature traverse of inspection vehicle; Described control circuit is connected with described switch circuit, the break-make of master cock circuit; Described in described switch circuit territory, heating wire is connected, and whether controls electric-heating-wire-heating.
Preferably, described switch circuit is relay, and model is selected Omron MKS2P.
Preferably, described thermally dependent resistor is NTC negative temperature coefficient resister, and model is selected SCK132R56MSY.
Technique scheme has following beneficial effect: for the deficiencies in the prior art, invent a kind of vehicle-mounted thermostat, the object that designs this ventilation calorstat is to ventilate and be not subject to the impact of season and external temperature with ventipane; Make occupant breathe as much as possible the most natural air; Ventilation calorstat can support the use with the ventilation window of automobile; Assembly &Disassembly facilitates simple and direct; Take up room as far as possible little, can not affect occupant's normal activity; Can ensure that ventipane ventilates swimmingly, can heat the air passing in car rapidly in the winter time, be warm with the air that ensures to pass in car, thereby ensure the relatively constant of vehicle interior temperature.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present invention and coordinate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Brief description of the drawings
Fig. 1 is embodiment of the present invention structural representation.
Fig. 2 is embodiment of the present invention control circuit figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, a kind of vehicle-mounted thermostat, is characterized in that, it comprises: 1 thermally dependent resistor, 2 control circuits, 3 switch circuits, 4 heating wire; Described thermally dependent resistor is connected with described control circuit, the outer temperature traverse of inspection vehicle; Described control circuit is connected with described switch circuit, the break-make of master cock circuit; Described in described switch circuit territory, heating wire is connected, and whether controls electric-heating-wire-heating.Described switch circuit is relay, and model is selected Omron MKS2P; Described thermally dependent resistor is NTC negative temperature coefficient resister, and model is selected SCK132R56MSY.
As shown in Figure 2, be thermostat temperature control circuit.RT1, RT2, RT3 ... RTn represents that n thermally dependent resistor is connected in parallel, and forms temperature-sensitive circuit.Wherein RT1, RT2, RT3 ... RTn is the thermally dependent resistor of negative temperature coefficient, and it is very responsive to temperature traverse, and resistance reduces with temperature rise.RP2 is adjustable relays, by the resistance size that regulates its incircuit, suitable temperature is set.The principle of work of whole temperature control circuit is, by RT1, RT2, RT3 ... RTn scattered resettlement is in ventilator duct mouth, and these thermally dependent resistor perception are by the air themperature of ventilator duct, and resistance value changes.The current potential height that in temperature control circuit, b is ordered changes with the variation of thermally dependent resistor resistance.In the time that the air themperature passing into raises, the resistance of thermally dependent resistor reduces, b point current potential is reduced, when ventilator air guide mouth of pipe place temperature is during higher than design temperature, b point current potential is lower than the conducting-state voltage of T3, T3 cut-off, T4 conducting, the coil electricity of relay W and inhale out contact, makes heater circuit power cut-off, and heating wire stops heating; When heating wire stops heating, the air themperature passing into starts to decline, and the resistance of thermally dependent resistor increases gradually, and the current potential that b order increases, when b point potential rise is during to the conducting-state voltage of T3, and T3 conducting, T4 cut-off, relay W joint, heating wire starts to heat.So repeatedly, to play thermostatic effect.
The vehicle-mounted thermostat of the one above embodiment of the present invention being provided is described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all will change in specific embodiments and applications; in sum; this description should not be construed as the restriction to invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (3)
1. a vehicle-mounted thermostat, is characterized in that, it comprises: thermally dependent resistor, control circuit, switch circuit, heating wire; Described thermally dependent resistor is connected with described control circuit, the outer temperature traverse of inspection vehicle; Described control circuit is connected with described switch circuit, the break-make of master cock circuit; Described switch circuit is connected with described heating wire, whether controls electric-heating-wire-heating.
2. the vehicle-mounted thermostat of one according to claim 1, is characterized in that, described switch circuit is relay, and model is selected Omron MKS2P.
3. the vehicle-mounted thermostat of one according to claim 1, is characterized in that, described thermally dependent resistor is NTC negative temperature coefficient resister, and model is selected SCK132R56MSY.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264659.8A CN104015587A (en) | 2014-06-12 | 2014-06-12 | Vehicle-mounted constant temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264659.8A CN104015587A (en) | 2014-06-12 | 2014-06-12 | Vehicle-mounted constant temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104015587A true CN104015587A (en) | 2014-09-03 |
Family
ID=51432703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264659.8A Pending CN104015587A (en) | 2014-06-12 | 2014-06-12 | Vehicle-mounted constant temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104015587A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970209A (en) * | 1982-10-13 | 1984-04-20 | Matsushita Electric Ind Co Ltd | Heating device for car |
| JPH10297259A (en) * | 1997-04-30 | 1998-11-10 | Honda Motor Co Ltd | Remained fuel warning system of combustion heater for vehicle |
| CN2546234Y (en) * | 2002-03-04 | 2003-04-23 | 高洁 | Electric warming air device for vehicle |
| CN201580226U (en) * | 2009-11-13 | 2010-09-15 | 安徽天祥空调科技有限公司 | Electric air-conditioner heating system for vehicles |
| CN203063623U (en) * | 2012-12-11 | 2013-07-17 | 长安大学 | Ventilation thermostat used for vehicle |
| CN103517469A (en) * | 2012-06-27 | 2014-01-15 | 比亚迪股份有限公司 | PTC electrical heating element, electric heater unit and electric car |
-
2014
- 2014-06-12 CN CN201410264659.8A patent/CN104015587A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5970209A (en) * | 1982-10-13 | 1984-04-20 | Matsushita Electric Ind Co Ltd | Heating device for car |
| JPH10297259A (en) * | 1997-04-30 | 1998-11-10 | Honda Motor Co Ltd | Remained fuel warning system of combustion heater for vehicle |
| CN2546234Y (en) * | 2002-03-04 | 2003-04-23 | 高洁 | Electric warming air device for vehicle |
| CN201580226U (en) * | 2009-11-13 | 2010-09-15 | 安徽天祥空调科技有限公司 | Electric air-conditioner heating system for vehicles |
| CN103517469A (en) * | 2012-06-27 | 2014-01-15 | 比亚迪股份有限公司 | PTC electrical heating element, electric heater unit and electric car |
| CN203063623U (en) * | 2012-12-11 | 2013-07-17 | 长安大学 | Ventilation thermostat used for vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140903 |