CN202008209U - Electronic knob type automotive air conditioning controller - Google Patents
Electronic knob type automotive air conditioning controller Download PDFInfo
- Publication number
- CN202008209U CN202008209U CN2011200936333U CN201120093633U CN202008209U CN 202008209 U CN202008209 U CN 202008209U CN 2011200936333 U CN2011200936333 U CN 2011200936333U CN 201120093633 U CN201120093633 U CN 201120093633U CN 202008209 U CN202008209 U CN 202008209U
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- China
- Prior art keywords
- hysteresis comparator
- air
- compressor
- comparator circuit
- temperature
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Abstract
The utility model discloses an electronic knob type automotive air conditioning controller, and relates to the technical field of automotive air conditioning control. The controller is provided with an air quantity control unit and a temperature adjusting unit, wherein the air quantity control unit comprises a windshield switch; the temperature adjusting unit comprises a delay comparison circuit, a temperature adjusting knob, a temperature sensor, a compressor relay and a driving circuit which are connected with the delay comparison circuit; the windshield switch is used for switching power to the delay comparison circuit; and the compressor relay is connected with a condensation fan, a compressor and a work indicator lamp on a control panel in an engineering truck air conditioning system. The controller has the advantages of easiness and convenience in operation, elegant appearance, small and exquisite structure and convenience in mounting.
Description
Technical field
The utility model relates to air conditioning for automobiles control technology field, specifically is a kind of electronics knob automotive air-conditioning controller, is applicable to engineering truck list refrigerated air-conditioning system.
Background technology
Automotive air-conditioning controller is of a great variety at present, the passenger car air-conditioner controller mainly contains the manual air-conditioner controller by frame for movement such as wire drawing, the analog controller of directly building by analog device, by the Electric Air-Conditioner Controller of integrated chip control, in addition with the automatic air condition controller of AUTO function etc.The employed temperature controller of engineering truck air-conditioning system mainly contains mechanical temperature controller and electronic temperature control device, mechanical temperature controller is provided with temperature by the manual adjustments register, cause that by the variation of temperature-sensitive capillary sensing temperature the variation of ripple pipe internal pressure makes the internal regulation mechanism action, and then regulate the compressor clutch on/off, realize temperature adjustment.But sort controller is shorter service life, and precision is lower.The engineering truck electronic temperature controller with temperature-adjusting potentiometer and temperature sensor series connection, through the start and stop of amplifying circuit rear drive compressor relay, reaches thermoregulation effect with temperature signal, and the life-span is longer, and precision is higher.More than two kinds of main flow temperature controllers need be equipped with independently guidance panel again, realize functions such as windscreen adjusting, installation process is comparatively loaded down with trivial details, it is bigger to take up room.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a kind of electronics knob automotive air-conditioning controller, does not need independently guidance panel just can finish the control of car load air-conditioning system.
The utility model is realized with following technical scheme: a kind of electronics knob automotive air-conditioning controller comprises air quantity control module and thermostat unit; Described air quantity control module comprises the windscreen switch, the temperature adjustment resistance that is connected with the windscreen switch; Described thermostat unit comprises a hysteresis comparator circuit, the temperature adjustment knob that is connected with hysteresis comparator circuit, the temperature sensor that is connected with hysteresis comparator circuit, compressor relay that is connected with hysteresis comparator circuit and drive circuit; Hysteresis comparator circuit is connected with windscreen switch in the air quantity control module; Compressor relay and drive circuit connect condensation fan, compressor and the relay indicating light in the engineering truck.
Operation principle: utilize the windscreen switch to switch the air blast air output, utilize the hysteresis output characteristics of hysteresis comparator circuit, control compressor start-stop is regulated indoor temperature; Comprehensive each element characteristics is finished car load air-conditioning system control function needs.
The beneficial effects of the utility model are: easy and simple to handle, and the outward appearance grace, structure is small and exquisite, is convenient to install.
Description of drawings
Below in conjunction with drawings and Examples this utility model is described further
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is windscreen switch gear break-make figure;
Fig. 3 is the thermostat unit circuit theory diagrams.
The specific embodiment
As shown in Figure 1, electronics knob automotive air-conditioning controller has air quantity control module and two parts of thermostat unit.Described air quantity control module comprises the windscreen switch, the temperature adjustment resistance that is connected with the windscreen switch; Described thermostat unit comprises a hysteresis comparator circuit, the temperature adjustment knob that is connected with hysteresis comparator circuit, the temperature sensor that is connected with hysteresis comparator circuit, compressor relay that is connected with hysteresis comparator circuit and drive circuit; Hysteresis comparator circuit is connected with windscreen switch in the air quantity control module; Compressor relay and drive circuit connect condensation fan, compressor and the relay indicating light in the engineering truck.Wherein, the windscreen switch adopts multi-position switch to switch the air blast air output, realizes that 4 amounts of keeping out the wind are adjustable.Hysteresis comparator circuit is handled comparison to temperature adjustment knob and temperature sensor, and drive compression machine relay disconnects with closed, reaches thermoregulation effect.Temperature adjustment knob adopts rotating potentiometer, and supporting use NTC thermistor utilizes the output characteristics of hysteresis comparator circuit as temperature sensor, and control compressor start and stop point is regulated indoor temperature, 3 ℃～18 ℃ of thermoregulation ranges.
Multi-position switch control air output: controller is equipped with built-in windscreen switch, manual adjustments windscreen switch switches the speed adjusting resistance that seals in different resistances in the air blast work loop in the air-conditioning system, changes the operating current of air blast, regulate the rotating speed of air blast, export different air quantity.
The hysteresis comparator circuit temperature adjustment: rotating potentiometer adopts temperature-adjusting potentiometer; By regulating temperature-adjusting potentiometer different temperature points (3 ℃～18 ℃) is set, indoor temperature sensor carries out voltage ratio with it, when vehicle interior temperature is higher than temperature is set, the compressor relay closure, and compressor is opened, and air-conditioning begins refrigeration; When vehicle interior temperature is lower than temperature is set, compressor relay disconnects, and compressor cuts out, and air-conditioning stops refrigeration, and indoor temperature is gone up gradually; And so forth, indoor temperature is progressively approached set temperature value, thereby reaches thermoregulator effect.Adopt hysteresis comparator circuit that the hysteresis temperature range of certain temperature spot is set, reduce compressor open and close frequency, compressor is played a protective role, increase air-conditioning system stability, play energy-conservation effect simultaneously.
As shown in Figure 2, the car load power supply is connected to 1 pin of windscreen switch, and as the power supply of air blast in the air-conditioning system, common port 2 pin of windscreen switch are connected to hysteresis comparator circuit, for it provides power supply.The windscreen switch is beaten when 0 retaining, and each pin of windscreen switch disconnects each other fully, and blower power supply disconnects, and air quantity is output as 0, and the hysteresis comparator circuit power supply disconnects, and adjustment is invalid.When the windscreen switch was beaten to 1,2,3 retainings, 1 pin of windscreen switch was connected to 4,5,3 pin of itself respectively, and each pin is connected to different resistance power resistors in the air-conditioning system respectively, and then regulates current value and airflow value in the air blast loop.
As shown in Figure 3, thermostat unit is made up of power unit, hysteresis comparator circuit, compressor relay and drive circuit thereof and relay indicating light four parts.Wherein, the P1 pin connects positive source, and the P2 pin connects power cathode, the P3 pin connects compressor, and the P4 pin connects a section of warm end sensor, the other end of P5 pin jointing temp sensor, the P6 pin connects an end of temperature-adjusting potentiometer, and the P7 pin connects the other end of temperature-adjusting potentiometer, and the P8 pin connects condensation fan.
Power unit: power supply is by anti-reverse diode D1, and through patch capacitor C1 and electrochemical capacitor C2, C3, for regulator block W1 provides input voltage 24V, output voltage is through patch capacitor C5 and electrochemical capacitor C4, for system provides 18V burning voltage.
Hysteresis comparator circuit: temperature-adjusting potentiometer series resistance R9, R10, with resistance R 7 dividing potential drops, partial pressure value on the R7 is connected to 3 pin of hysteresis comparator IC1, sensor is connected with resistance R 4, with the R1 dividing potential drop, the partial pressure value of sensor string R4 is connected to 2 pin of hysteresis comparator IC1, is connected filter capacitor C6 between 2 pin of hysteresis comparator IC1 and 3 pin, and 7 pin of hysteresis comparator IC1 are as output pin.
Relay and drive circuit thereof: 7 pin of hysteresis comparator IC1 are connected to resistance, be connected to the base stage of triode Q1 again, the colelctor electrode of triode Q1 is connected to the relay control end, relay contact one end is connected to behind the diode D1 as power end, the contact other end is connected to the hardware interface of complete machine output, diode D2 is connected in parallel on the relay coil two ends, as the protection diode; Diode D3 plays the protective relay contact.
Relay indicating light: relay contact output termination current-limiting resistance R5, R6, sending and receiving optical diode LD1 works as relay closes again, and compressor and condensation fan are opened, and light emitting diode LD1 is bright.
Controller passes through with lower jacket and car load butt joint, wherein four-core sheath: contain the complete machine power line, complete machine ground wire, compressor power wiring, condensation fan power supply wiring; Three core sheaths: air blast three gear wiring; Two core sheaths: sensor wiring.These sheaths directly dock with the car load air-conditioning system.
Claims (3)
1. an electronics knob automotive air-conditioning controller comprises air quantity control module and thermostat unit; It is characterized in that: described air quantity control module comprises the windscreen switch; Described thermostat unit comprises a hysteresis comparator circuit, the temperature adjustment knob that is connected with hysteresis comparator circuit, the temperature sensor that is connected with hysteresis comparator circuit, compressor relay that is connected with hysteresis comparator circuit and drive circuit; The windscreen switch switches to hysteresis comparator circuit with power supply; Relay indicating light on condensation fan, compressor and the control panel in the compressor relay connection engineering truck air-conditioning system.
2. according to claim 1 electronics knob automotive air-conditioning controller, it is characterized in that: described windscreen switch adopts multi-position switch.
3. according to claim 1 electronics knob automotive air-conditioning controller, it is characterized in that: described temperature adjustment knob adopts rotating potentiometer, and supporting use NTC thermistor is as temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200936333U CN202008209U (en) | 2011-04-01 | 2011-04-01 | Electronic knob type automotive air conditioning controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200936333U CN202008209U (en) | 2011-04-01 | 2011-04-01 | Electronic knob type automotive air conditioning controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008209U true CN202008209U (en) | 2011-10-12 |
Family
ID=44749866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200936333U Expired - Lifetime CN202008209U (en) | 2011-04-01 | 2011-04-01 | Electronic knob type automotive air conditioning controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202008209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748830A (en) * | 2011-04-19 | 2012-10-24 | 北汽福田汽车股份有限公司 | Air-conditioning temperature control system and method |
| CN106379172A (en) * | 2016-08-29 | 2017-02-08 | 博耐尔汽车电气系统有限公司 | Display circuit used for AC indicator lamp of car air conditioner |
| CN107776360A (en) * | 2016-08-31 | 2018-03-09 | 十堰天涯汽车科技有限公司 | Electric automobile air conditioner energy-saving controller |
| CN112848891A (en) * | 2019-11-28 | 2021-05-28 | 厦门雅迅网络股份有限公司 | Vehicle-mounted equipment heating control circuit |
-
2011
- 2011-04-01 CN CN2011200936333U patent/CN202008209U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748830A (en) * | 2011-04-19 | 2012-10-24 | 北汽福田汽车股份有限公司 | Air-conditioning temperature control system and method |
| CN102748830B (en) * | 2011-04-19 | 2014-12-17 | 北汽福田汽车股份有限公司 | Air-conditioning temperature control system and method |
| CN106379172A (en) * | 2016-08-29 | 2017-02-08 | 博耐尔汽车电气系统有限公司 | Display circuit used for AC indicator lamp of car air conditioner |
| CN107776360A (en) * | 2016-08-31 | 2018-03-09 | 十堰天涯汽车科技有限公司 | Electric automobile air conditioner energy-saving controller |
| CN112848891A (en) * | 2019-11-28 | 2021-05-28 | 厦门雅迅网络股份有限公司 | Vehicle-mounted equipment heating control circuit |
| CN112848891B (en) * | 2019-11-28 | 2023-09-29 | 厦门雅迅网络股份有限公司 | Heating control circuit of vehicle-mounted equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |
|
| CX01 | Expiry of patent term |