CN104216438A - Vehicle-mounted electronic temperature controller circuit device - Google Patents
Vehicle-mounted electronic temperature controller circuit device Download PDFInfo
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- CN104216438A CN104216438A CN201410473557.7A CN201410473557A CN104216438A CN 104216438 A CN104216438 A CN 104216438A CN 201410473557 A CN201410473557 A CN 201410473557A CN 104216438 A CN104216438 A CN 104216438A
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Abstract
The invention discloses a vehicle-mounted electronic temperature controller circuit which comprises a temperature detection amplification circuit and a control execution circuit. The temperature detection amplification circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a thermal resistor RT, a potentiometer RP, a capacitor C1 and operation amplifier integrated circuits (ICs) (N1 and N2). The control execution circuit comprises a resistor R6, a transistor V, a relay K, diodes (VD1 and VD2) and a capacitor C2. The vehicle-mounted electronic temperature controller circuit can effectively automatically control a vehicle-mounted air conditioning system and perform corresponding adjustment according to indoor temperature conditions; and a vehicle-mounted electronic temperature controller has the advantages of being quick in reacting speed, low in production cost, safe and reliable, and is easy to popularize and use.
Description
Technical field
The present invention relates to vehicle electronic circuit, particularly relate to a kind of vehicle electronics thermostat circuit device.
Background technology
Along with people are for the increase of production vehicles consumption figure demand, the comfort level of in-vehicle device facility and degree of safety become the first-selection of popular consumption gradually, vehicle electronics temperature controller is as the triggering electrical equipment of intelligentized control method air-conditioning system, also gradually commercially by masses are liked, and be badly in need of in the market a kind of can low price, the safe and reliable intelligent vehicle electronics thermostat circuit device of automatic control.
Summary of the invention
The object of the invention is to have invented a kind of low price, safe and reliable intelligent vehicle electronics thermostat circuit device, this device does not need manual operation automatically can regulate mounted air conditioner system.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of vehicle electronics thermostat circuit, comprises temperature detection amplifying circuit and controls executive circuit;
Described temperature detection amplifying circuit is for detecting vehicle-mounted indoor temperature situation, described control executive circuit is used for opening according to vehicle-mounted indoor temperature or turning off mounted air conditioner system, described temperature detection amplifying circuit comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, thermal resistor RT, potentiometer RP, capacitor C1 and integrated operational amplifier IC circuit (N1, N2), described R1 and RT Article 1 branch road in series, described potentiometer RP, resistance R2, resistance R3 phase is connected in series and forms Article 2 branch road, described Article 1 branch road and described Article 2 branch road are by being connected in the two ends of described power supply GB in parallel, between the anode that described resistance R4 is connected to operational amplifier N2 and output terminal, the output terminal of described R5 one end concatenation operation amplifier N2, the other end of R5 connects the anode of power supply GB, the negative terminal of described capacitor C1 one end concatenation operation amplifier N1, the described capacitor C1 other end is connected between R2 and R3, described operational amplifier N1, the negative terminal of operational amplifier N2 is all connected between R1 and RT, the anode of described operational amplifier N1 is connected with the output terminal of operational amplifier N2, the anode of described operational amplifier N2 is connected between R2 and R3, described control executive circuit comprises resistor R6, transistor V, relay K, diode VD1, VD2 and capacitor C2, the anode of described diode VD1 connects the anode of power supply GB, the negative terminal of described diode VD1 distinguishes contact resistance device R6, relay K, diode VD2 negative terminal, capacitor C2 successively, the other end of described resistor R6 connects the base stage of transistor V, the other end of described relay K connects the collector of transistor V and the anode of diode VD1, the emitter of described transistor V, the equal ground connection of the other end of capacitor C2.Above-mentioned scheme has simple, the safe feature of circuit structure, integrated operational amplifier circuit can make accurate detection according to the temperature regime of car indoor, described relay and transistor match simultaneously, can quick-make and turn off air-conditioning system, the effect of good economize energy can be played.
Further, described thermal resistor RT selects resistance under 25 DEG C of normal temperature to be the negative tempperature coefficient thermistor of 3k Ω.
Further, described capacitor C1 selects monolithic capacitor or dacron terylene condenser; Described capacitor C2 selects withstand voltage to be the aluminium electrolutic capacitor of 25V.
Further, described diode VD1 and VD2 all selects 1N4007 type silicon rectifier diode.
Further, described transistor V selects S8050 or 3DG8050 type integrated operational amplifier.
Further, described integrated operational amplifier IC circuit selects LM393 or LM358.
Further, described relay K selects JM mono-13F or JZC mono-20F type 12V DC relay.
According to technique scheme, following beneficial effect can be realized:
1) vehicle electronics thermostat circuit effectively can control mounted air conditioner system voluntarily, provides corresponding adjustment according to the situation of indoor temperature; 2) vehicle electronics temperature controller has reaction velocity soon, low production cost, safe and reliable feature, is easy to promote and use simultaneously.
Accompanying drawing explanation
Fig. 1 is the vehicle electronics thermostat circuit block diagram of the embodiment of the present invention.
Fig. 2 is the vehicle electronics thermostat circuit schematic diagram of the embodiment of the present invention.
Embodiment
The specific embodiment of the present invention is set forth below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of vehicle electronics thermostat circuit, comprises temperature detection amplifying circuit and controls executive circuit, described temperature detection amplifying circuit, for detecting vehicle-mounted indoor temperature situation, comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, thermal resistor RT, potentiometer RP, capacitor C1 and operational amplifier integrated circuit (IC) (N1, N2), described R1 and RT Article 1 branch road in series, described potentiometer RP, resistance R2, resistance R3 phase is connected in series and forms Article 2 branch road, described Article 1 branch road and described Article 2 branch road are by being connected in the two ends of described power supply GB in parallel, between the anode that described resistance R4 is connected to operational amplifier N2 and output terminal, the output terminal of described R5 one end concatenation operation amplifier N2, the other end of R5 connects the anode of power supply GB, the negative terminal of described capacitor C1 one end concatenation operation amplifier N1, the described capacitor C1 other end is connected between R2 and R3, described operational amplifier N1, the negative terminal of operational amplifier N2 is all connected between R1 and RT, the anode of described operational amplifier N1 is connected with the output terminal of operational amplifier N2, the anode of described operational amplifier N2 is connected between R2 and R3,
Described control executive circuit is used for opening according to vehicle-mounted indoor temperature or turning off air-conditioning system; Described control executive circuit comprises resistor R6, transistor V, relay K, diode VD1, VD2 and capacitor C2; The anode of described diode VD1 connects the anode of power supply GB, the negative terminal of described diode VD1 distinguishes contact resistance device R6, relay K, diode VD2 negative terminal, capacitor C2 successively, the other end of described resistor R6 connects the base stage of transistor V, the other end of described relay K connects the collector of transistor V and the anode of diode VD1, the emitter of described transistor V, the equal ground connection of the other end of capacitor C2.
Described RT selects resistance under 25 DEG C of normal temperature to be the negative temperature coefficient thermistor of 3k Ω; Described C1 selects monolithic capacitor or dacron terylene condenser; C2 selects withstand voltage to be the aluminium electrolutic capacitor of 25V; Described VD1 and VD2 all selects 1N4007 type silicon rectifier diode; Described transistor V selects S8050 or 3DG8050 type integrated operational amplifier.Described operational amplifier integrated circuit (IC) selects LM393 or LM358 type integrated operational amplifier; Described K selects JM mono-13F or JZC mono-20F type 12V DC relay.
Above-mentioned vehicle electronics thermostat circuit: when temperature rises to certain temperature value, air-conditioning system is started to work automatically, temperature is slowly declined; When temperature is down to certain temperature value, can air-conditioning system be automatically shut down again and stop refrigeration.Described resistance R1 and thermal resistor RT series connection dividing potential drop, for in integrated operational amplifier circuit 1C, the inverting input of operational amplifier N1 and N2 provides sampling voltage, the defeated large end of positive that R2, R3, R4, R5 and RP are respectively operational amplifier NI and operational amplifier N2 provides reference voltage.
Circuit working principle of the present invention is: when vehicle interior temperature raises, and the resistance of RT reduces, and A point current potential is declined.When A point current potential is lower than B point current potential, N2 and N1 all exports high level, makes V conducting, and K is energized adhesive, and its normally open contact is connected, and air conditioning clutch energising adhesive, compressor operating, air-conditioning system starts refrigeration.Along with the reduction of vehicle interior temperature, the resistance of RT also increases gradually, makes A point current potential increase gradually.When A point current potential is higher than B point current potential, the equal output low level of N2 and N1, makes V end, and K discharges, and its normally open contact disconnects, and air conditioning clutch power-off, refrigeration system quits work.When temperature rise make again A point current potential higher than B point current potential time, V is conducting again, K adhesive, and air conditioning clutch is energized again work.The above course of work is carried out again and again, and vehicle interior temperature can be made to control near the design temperature of RP.
In sum; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (7)
1. a vehicle electronics thermostat circuit, is characterized in that, comprises temperature detection amplifying circuit and controls executive circuit;
Described temperature detection amplifying circuit is for detecting vehicle-mounted indoor temperature situation;
Described control executive circuit is used for opening according to vehicle-mounted indoor temperature or turning off mounted air conditioner system;
Described temperature detection amplifying circuit comprises resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, thermal resistor RT, potentiometer RP, capacitor C1 and integrated operational amplifier IC circuit (N1, N2), described R1 and RT Article 1 branch road in series, described potentiometer RP, resistance R2, resistance R3 phase is connected in series and forms Article 2 branch road, described Article 1 branch road and described Article 2 branch road are by being connected in the two ends of described power supply GB in parallel, between the anode that described resistance R4 is connected to operational amplifier N2 and output terminal, the output terminal of described R5 one end concatenation operation amplifier N2, the other end of R5 connects the anode of power supply GB, the negative terminal of described capacitor C1 one end concatenation operation amplifier N1, the described capacitor C1 other end is connected between R2 and R3, described operational amplifier N1, the negative terminal of operational amplifier N2 is all connected between R1 and RT, the anode of described operational amplifier N1 is connected with the output terminal of operational amplifier N2, the anode of described operational amplifier N2 is connected between R2 and R3,
Described control executive circuit comprises resistor R6, transistor V, relay K, diode VD1, VD2 and capacitor C2; The anode of described diode VD1 connects the anode of power supply GB, the negative terminal of described diode VD1 distinguishes contact resistance device R6, relay K, diode VD2 negative terminal, capacitor C2 successively, the other end of described resistor R6 connects the base stage of transistor V, the other end of described relay K connects the collector of transistor V and the anode of diode VD1, the emitter of described transistor V, the equal ground connection of the other end of capacitor C2.
2. vehicle electronics thermostat circuit according to claim 1, is characterized in that, described thermal resistor RT selects resistance under 25 DEG C of normal temperature to be the negative tempperature coefficient thermistor of 3k Ω.
3. vehicle electronics thermostat circuit according to claim 1, is characterized in that, described capacitor C1 selects monolithic capacitor or dacron terylene condenser; Described capacitor C2 selects withstand voltage to be the aluminium electrolutic capacitor of 25V.
4. vehicle electronics thermostat circuit according to claim 1, is characterized in that, described diode VD1 and VD2 all selects 1N4007 type silicon rectifier diode.
5. vehicle electronics thermostat circuit according to claim 1, is characterized in that, described transistor V selects S8050 or 3DG8050 type integrated operational amplifier.
6. vehicle electronics thermostat circuit according to claim 1, is characterized in that, described integrated operational amplifier IC circuit selects LM393 or LM358.
7. vehicle electronics thermostat circuit according to claim 1, is characterized in that, described relay K selects JM mono-13F or JZC mono-20F type 12V DC relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473557.7A CN104216438B (en) | 2014-09-16 | 2014-09-16 | A kind of vehicle electronics thermostat circuit device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473557.7A CN104216438B (en) | 2014-09-16 | 2014-09-16 | A kind of vehicle electronics thermostat circuit device |
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| CN104216438A true CN104216438A (en) | 2014-12-17 |
| CN104216438B CN104216438B (en) | 2016-07-06 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042214U (en) * | 1988-08-06 | 1989-08-02 | 刘永康 | Temperature controller |
| CN2092776U (en) * | 1991-04-23 | 1992-01-08 | 中国人民解放军第4309工厂 | Electronic temp. controller |
| KR930011005B1 (en) * | 1990-12-06 | 1993-11-19 | 금성계전 주식회사 | Auto-controller of stored heat capacity |
| WO2001079799A1 (en) * | 2000-04-18 | 2001-10-25 | Sate Safety Devices Technology Ag | Analogue electronic thermostat |
| CN102200789A (en) * | 2010-03-22 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Temperature monitoring device |
| CN204166409U (en) * | 2014-09-16 | 2015-02-18 | 江苏天诚车饰科技有限公司 | A kind of vehicle electronics thermostat circuit device |
-
2014
- 2014-09-16 CN CN201410473557.7A patent/CN104216438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042214U (en) * | 1988-08-06 | 1989-08-02 | 刘永康 | Temperature controller |
| KR930011005B1 (en) * | 1990-12-06 | 1993-11-19 | 금성계전 주식회사 | Auto-controller of stored heat capacity |
| CN2092776U (en) * | 1991-04-23 | 1992-01-08 | 中国人民解放军第4309工厂 | Electronic temp. controller |
| WO2001079799A1 (en) * | 2000-04-18 | 2001-10-25 | Sate Safety Devices Technology Ag | Analogue electronic thermostat |
| CN102200789A (en) * | 2010-03-22 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Temperature monitoring device |
| CN204166409U (en) * | 2014-09-16 | 2015-02-18 | 江苏天诚车饰科技有限公司 | A kind of vehicle electronics thermostat circuit device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104216438B (en) | 2016-07-06 |
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Effective date of registration: 20210520 Address after: 272600 Industrial Park, quanpu Town, Liangshan County, Jining City, Shandong Province (1200m away from Quandong Village) Patentee after: Shandong Yuxiang Automobile Co.,Ltd. Address before: 212322 Jinqiao Industrial Park, Xinqiao Town, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU TIANCHENG VEHICLE DECORATION SCIENCE & TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A circuit device of on-board electronic temperature controller Effective date of registration: 20220325 Granted publication date: 20160706 Pledgee: Shandong Liangshan Rural Commercial Bank Co.,Ltd. Chengnan sub branch Pledgor: Shandong Yuxiang Automobile Co.,Ltd. Registration number: Y2022980003142 |
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