CN204693734U - The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle - Google Patents
The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle Download PDFInfo
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- CN204693734U CN204693734U CN201520395809.9U CN201520395809U CN204693734U CN 204693734 U CN204693734 U CN 204693734U CN 201520395809 U CN201520395809 U CN 201520395809U CN 204693734 U CN204693734 U CN 204693734U
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Abstract
The utility model discloses the pure DC frequency converting air-conditioner control system of a kind of passenger vehicle, comprise the electric-controlled box be connected with control panel, temperature sensor, pressure sensor, brush DC evaporation fan, direct current brushless condensing fan, electric-controlled box also with being pre-charged the high-pressure electric control case of defencive function, the AC permanent magnet compressor being built-in with DC frequency-changing driving governor, DC/DC supply convertor, car load high-pressure electric control case be connected; High-pressure electric control case with precharge defencive function connects car load high-pressure electric control case, is built-in with the AC permanent magnet compressor of DC frequency-changing driving governor; Car load high-pressure electric control case is carried out high_voltage isolation by DC/DC supply convertor power to electric-controlled box, brush DC evaporation fan, direct current brushless condensing fan.The utility model improves the efficiency of control system, enhances the reliability of product, reduces the weight of product, showing on new energy vehicle as improving performance, reducing energy consumption, reducing complete vehicle weight, adding the course continuation mileage of vehicle.
Description
Technical field
The utility model relates to a kind of passenger car electric air-conditioner control system, specifically relates to a kind of air-conditioner control system adopting pure DC Frequency Conversion Technology.
Background technology
Along with country strengthens day by day to the dynamics of fostering of pure electric automobile, the scale of pure electric vehicle industry grows stronger day by day.How improving pure electric vehicle course continuation mileage is the direction that a lot of new forms of energy depot all pays special attention to.
Air-conditioning is an important module of new energy vehicle, and weight and the course continuation mileage of energy consumption on car load have larger impact.Under the bottleneck of existing battery technology, conventional AC Control Method of Inverter Air Conditioner makes complete vehicle weight large, and efficiency is low, and reliability is not high.Want to increase the capacity that course continuation mileage just must increase battery pack, reduce the weight of car load miscellaneous part (as air-conditioner control system), improve the efficiency of car load parts, reduce the electrisity consumption of car load consuming parts.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of passenger vehicle pure DC frequency converting air-conditioner control system, this control system is by using the control of pure direct current compressor and direct current brushless motor, reliably can realize the refrigeration of pure electric air-conditioning, heat, ventilate, new wind function, and comparatively conventional AC variable-frequency electric air-conditioning has obvious lifting in degree of protection, efficiency and lightweight index.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle, comprise the electric-controlled box be connected with control panel, temperature sensor, pressure sensor, brush DC evaporation fan, direct current brushless condensing fan, described electric-controlled box also with being pre-charged the high-pressure electric control case of defencive function, the AC permanent magnet compressor being built-in with DC frequency-changing driving governor, DC/DC supply convertor, car load high-pressure electric control case be connected; Described car load high-pressure electric control case connects the high-pressure electric control case with precharge defencive function, and the high-pressure electric control case with precharge defencive function connects the AC permanent magnet compressor being built-in with DC frequency-changing driving governor; Described car load high-pressure electric control case is carried out high_voltage isolation by DC/DC supply convertor power to electric-controlled box, brush DC evaporation fan, direct current brushless condensing fan.
Described temperature sensor comprises the temperature sensor heat exchanger of evaporimeter and the heat exchanger of condenser being carried out to the temperature sensor of temperature acquisition, the temperature sensor gathering vehicle interior temperature, the outer temperature of collection car; Described pressure sensor is arranged on the pipeline of heat exchanger.
Electric-controlled box is connected by CAN and control panel, the AC permanent magnet compressor communication that is built-in with DC frequency-changing driving governor.
Control panel comprises MCU processor, MCU processor is connected with keystroke handling circuit, the first A/D converter circuit, LCD Multi-Function Display, keystroke handling circuit also connects LCD Multi-Function Display, setting contact button on the control panel, and A/D converter circuit connects driver position temperature sensor.
Electric-controlled box comprises MCU primary processor; MCU primary processor and control panel, car load high-pressure electric control case, with being pre-charged the high-pressure electric control case of defencive function, the AC permanent magnet compressor being built-in with DC frequency-changing driving governor, DC/DC supply convertor be connected; MCU primary processor also connects the second A/D converter circuit, brush DC evaporation fan, direct current brushless condensing fan, and the second A/D converter circuit connects temperature sensor and pressure sensor.
Car load high-pressure electric control case also connects electric warm braw.
The beneficial effects of the utility model: 1, adopt isolated voltage changer, i.e. DC/DC supply convertor, achieve and convert the low pressure of high-voltage DC power supply, for evaporation fan and condensation fan provide efficient, stable power supply; 2, have employed the application of DC frequency-changeable compressor at pure electric coach that CAN controls built-in DC frequency-changing driving governor, the dc source 400-700V wide range input voltage of pure electric coach can be met; 3, use CAN technology, decrease the wire harness quantity of air-conditioner control system, promote the reliability of circuit and the flexibility of control system; 4, adopt the high-pressure electric control case with precharge defencive function, achieve and the high voltage source of air-conditioning is controlled and filtering, possess the function of protection rear class high-voltage load, accomplish the timely cutoff high that breaks down; 5, relative to the control mode of conventional AC frequency conversion, improve the efficiency of control system, enhance the reliability of product, reduce the weight of product, showing on new energy vehicle as improving performance, reducing energy consumption, reduce complete vehicle weight, add the course continuation mileage of vehicle.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Fig. 2 is system architecture schematic diagram of the present utility model.
Fig. 3 is system connection diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model comprises high-voltage electrical apparatus part and low-voltage electrical part: 1, the high-voltage electrical apparatus part AC permanent magnet frequency-changeable compressor that uses CAN control to be built-in with DC frequency-changing driving governor as air-conditioning system power section, isolated voltage changer (DC/DC supply convertor) as the driving power of direct current brushless motor 2; 2, low-voltage electrical part uses modularization CAN controller to control: control panel is as the carrier gathering customer information and display air-conditioning system information; Electric-controlled box is as air-conditioning information gathering parts and control instruction transmit block; Information interaction is carried out by CAN between control panel and electric-controlled box, also data transmission is carried out by CAN between electric-controlled box and the built-in DC frequency-changing driving governor of AC permanent magnet compressor, use CAN control technology, the wire harness quantity of control system can be reduced, promote the reliability of circuit, the flexibility of Lifting Control System.Isolated controlling is carried out by high voltage control case, CAN control variable frequency drive controller, resonant transformation power supply between high-low pressure is electric.
The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle of the present embodiment, comprise the electric-controlled box be connected with control panel, temperature sensor, pressure sensor, brush DC evaporation fan, direct current brushless condensing fan, electric-controlled box also with being pre-charged the high-pressure electric control case 4 of defencive function, the AC permanent magnet compressor 3 being built-in with DC frequency-changing driving governor, DC/DC supply convertor 1, car load high-pressure electric control case be connected; Car load high-pressure electric control case connects the high-pressure electric control case 4 with precharge defencive function, and the high-pressure electric control case 4 with precharge defencive function connects the AC permanent magnet compressor 3 being built-in with DC frequency-changing driving governor; Car load high-pressure electric control case carries out high_voltage isolation, low-voltage power supply by DC/DC supply convertor 1 pair of electric-controlled box, brush DC evaporation fan, direct current brushless condensing fan.Electric-controlled box is connected by CAN and control panel, the AC permanent magnet compressor 3 that is built-in with DC frequency-changing driving governor.Car load high-pressure electric control case also connects electric warm braw, and there is temperature switch electric warm braw inside, if internal temperature reaches overheat protector value, automatically can disconnect high voltage supply.These devices coordinate each other, control the operation of the parts such as compressor, evaporation fan, condensation fan, realize air conditioner refrigerating, heat, ventilate, the realization of new wind function.
Each functional part specifically describes as follows:
Control panel comprises MCU processor, MCU processor is connected with keystroke handling circuit, the first A/D converter circuit, LCD Multi-Function Display, keystroke handling circuit also connects LCD Multi-Function Display, setting ten contact buttons on the control panel, and A/D converter circuit connects driver position temperature sensor.The function that each contact button that control panel is arranged is corresponding different, by the response to these buttons, the MCU processor of control panel can read the information of client's setting, and be delivered to electric-controlled box by CAN, key information also directly shows by keystroke handling circuit on LCD Multi-Function Display; Control panel, except gathering client's operation information, can also be read the operation of air conditioner information of electric-controlled box transmission, and be shown by LCD Multi-Function Display, realize the man-machine interaction with client from CAN; In addition, the temperature information that driver position temperature sensor collects sends into MCU processor after the first A/D converter circuit is changed, then is delivered to electric-controlled box by CAN and processes.
Temperature sensor, comprises the temperature sensor heat exchanger of evaporimeter and the heat exchanger of condenser being carried out to the temperature sensor of temperature acquisition, the temperature sensor gathering vehicle interior temperature, the outer temperature of collection car.Pressure sensor, is arranged on the pipeline of heat exchanger, and whether the pressure detecting heat exchanger inside is normal.The MCU primary processor that the information that said temperature sensor, pressure sensor collect sends into electric-controlled box after the second A/D converter circuit conversion of electric-controlled box processes.
Electric-controlled box; comprise MCU primary processor; the MCU processor of MCU primary processor and control panel, car load high-pressure electric control case, with being pre-charged the high-pressure electric control case 4 of defencive function, the AC permanent magnet compressor 3 being built-in with DC frequency-changing driving governor, DC/DC supply convertor be connected; MCU primary processor also connects the second A/D converter circuit, brush DC evaporation fan, direct current brushless condensing fan, and the second A/D converter circuit connects temperature sensor and pressure sensor.After air-conditioning start, electric-controlled box sends signal to car load high-pressure electric control case, supplies air-conditioning high voltage source after car load high-pressure electric control case Received signal strength.Electric-controlled box can read from CAN the information that client set by control panel, as the information such as pattern, temperature, wind speed of client's setting, also temperature, pressure information that the sensor that is arranged in air-conditioning inside collects can directly be gathered, these information gather by electric-controlled box, realize the action of the inner execution unit of air-conditioning.The MCU primary processor of electric-controlled box sends two-way pwm signal to brush DC evaporation fan and direct current brushless condensing fan, realizes the stepless speed regulation of the wideband 10% ~ 100% of blower fan.This PWM controls brushless fan technology, and make blower fan more efficient, reliability is higher, longer service life.The MCU primary processor of electric-controlled box can also detect the duty of DC/DC supply convertor 1.
DC/DC supply convertor 1, as the driving power of direct current brushless motor 2, realizes high-voltage DC power supply that car load high-pressure electric control case provides to high_voltage isolation, the low-voltage power supply of electric-controlled box, DC brushless motor.Adopt DC/DC supply convertor 1 to realize converting the low pressure of high voltage source, efficient, stable low-voltage dc power supply can be provided for electric-controlled box, brush DC evaporation fan and condensation fan.
Above-mentioned DC/DC supply convertor 1 is powered and PWM drives direct current brushless motor control mode can ensure, when wide-voltage range DC400 ~ 700V inputs, stably can provide DC27V power supply to blower fan.
With the high-pressure electric control case 4 of precharge defencive function; the high-voltage DC power supply that car load high-pressure electric control case provides is controlled and filtering; glitch-free high voltage direct current is provided to the AC permanent magnet compressor 3 being built-in with DC frequency-changing driving governor; realize the protection of rear class high-voltage load, and the timely cutoff high that breaks down can be accomplished.High-pressure electric control case 4 with precharge defencive function is prior art.
Be built-in with the AC permanent magnet compressor 3 of DC frequency-changing driving governor, communication is carried out by CAN with the MCU primary processor of electric-controlled box, and from the signal that the MCU primary processor that CAN reads electric-controlled box sends, DC frequency-changing driving governor (CAN controls variable frequency drives) carries out power converter to the high voltage direct current that car load high-pressure electric control case provides, drive the direct current permanent magnet motor running of AC permanent magnet compressor inside, realize the operation of air-conditioning system.Be built-in with the application of DC frequency-changeable compressor at pure electric coach of DC frequency-changing driving governor, dc source 400V ~ 700V wide range input voltage of pure electric coach can be met.
Car load high-pressure electric control case, controls high voltage supply and electric warm braw is powered, and detects the duty of electric warm braw.
Claims (6)
1. the pure DC frequency converting air-conditioner control system of passenger vehicle, it is characterized in that: comprise the electric-controlled box be connected with control panel, temperature sensor, pressure sensor, brush DC evaporation fan, direct current brushless condensing fan, described electric-controlled box also with being pre-charged the high-pressure electric control case of defencive function, the AC permanent magnet compressor being built-in with DC frequency-changing driving governor, DC/DC supply convertor, car load high-pressure electric control case be connected; Described car load high-pressure electric control case connects the high-pressure electric control case with precharge defencive function, and the high-pressure electric control case with precharge defencive function connects the AC permanent magnet compressor being built-in with DC frequency-changing driving governor; Described car load high-pressure electric control case is carried out high_voltage isolation by DC/DC supply convertor power to electric-controlled box, brush DC evaporation fan, direct current brushless condensing fan.
2. the pure DC frequency converting air-conditioner control system of passenger vehicle according to claim 1, is characterized in that: described temperature sensor comprises the temperature sensor heat exchanger of evaporimeter and the heat exchanger of condenser being carried out to the temperature sensor of temperature acquisition, the temperature sensor gathering vehicle interior temperature, the outer temperature of collection car; Described pressure sensor is arranged on the pipeline of heat exchanger.
3. the pure DC frequency converting air-conditioner control system of passenger vehicle according to claim 1, is characterized in that: electric-controlled box is connected by CAN and control panel, the AC permanent magnet compressor communication that is built-in with DC frequency-changing driving governor.
4. the pure DC frequency converting air-conditioner control system of passenger vehicle according to claim 1, it is characterized in that: control panel comprises MCU processor, MCU processor is connected with keystroke handling circuit, the first A/D converter circuit, LCD Multi-Function Display, keystroke handling circuit also connects LCD Multi-Function Display, setting contact button on the control panel, and A/D converter circuit connects driver position temperature sensor.
5. the pure DC frequency converting air-conditioner control system of passenger vehicle according to claim 1; it is characterized in that: electric-controlled box comprises MCU primary processor; MCU primary processor and control panel, car load high-pressure electric control case, with being pre-charged the high-pressure electric control case of defencive function, the AC permanent magnet compressor being built-in with DC frequency-changing driving governor, DC/DC supply convertor be connected; MCU primary processor also connects the second A/D converter circuit, brush DC evaporation fan, direct current brushless condensing fan, and the second A/D converter circuit connects temperature sensor and pressure sensor.
6. the pure DC frequency converting air-conditioner control system of passenger vehicle according to claim 1, is characterized in that: car load high-pressure electric control case also connects electric warm braw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395809.9U CN204693734U (en) | 2015-06-10 | 2015-06-10 | The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395809.9U CN204693734U (en) | 2015-06-10 | 2015-06-10 | The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle |
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| Publication Number | Publication Date |
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| CN204693734U true CN204693734U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520395809.9U Expired - Fee Related CN204693734U (en) | 2015-06-10 | 2015-06-10 | The pure DC frequency converting air-conditioner control system of a kind of passenger vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890124A (en) * | 2016-06-06 | 2016-08-24 | 合肥天鹅制冷科技有限公司 | Air conditioning device capable of adapting to DC 520 V power supply |
| CN107344483A (en) * | 2017-07-25 | 2017-11-14 | 江苏浩昱驰汽车电子有限公司 | A kind of new-energy automotive air-conditioning heat-exchange system and its control method |
| CN110456838A (en) * | 2019-07-30 | 2019-11-15 | 上海思致汽车工程技术有限公司 | A kind of car overtemperture control system and method |
-
2015
- 2015-06-10 CN CN201520395809.9U patent/CN204693734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890124A (en) * | 2016-06-06 | 2016-08-24 | 合肥天鹅制冷科技有限公司 | Air conditioning device capable of adapting to DC 520 V power supply |
| CN107344483A (en) * | 2017-07-25 | 2017-11-14 | 江苏浩昱驰汽车电子有限公司 | A kind of new-energy automotive air-conditioning heat-exchange system and its control method |
| CN110456838A (en) * | 2019-07-30 | 2019-11-15 | 上海思致汽车工程技术有限公司 | A kind of car overtemperture control system and method |
| CN110456838B (en) * | 2019-07-30 | 2024-05-10 | 上海思致汽车工程技术有限公司 | In-vehicle overtemperature control system and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20190610 |