CN210211964U - Electric pickup air conditioner control system - Google Patents
Electric pickup air conditioner control system Download PDFInfo
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- CN210211964U CN210211964U CN201921058798.XU CN201921058798U CN210211964U CN 210211964 U CN210211964 U CN 210211964U CN 201921058798 U CN201921058798 U CN 201921058798U CN 210211964 U CN210211964 U CN 210211964U
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Abstract
The utility model discloses an electronic pick up air conditioner control system. The air conditioner comprises an air conditioner controller, an ECU of a whole vehicle controller, a compressor system, a PTC control system, a temperature motor, a mode motor, a circulating motor, a speed regulating system, an evaporator temperature sensor, a pressure switch, a high-voltage battery pack of the whole vehicle and a low-voltage battery pack of the whole vehicle, wherein the compressor system, the PTC control system, the temperature motor, the mode motor, the circulating motor, the speed regulating system, the evaporator temperature sensor and the low-voltage battery pack of the whole vehicle are connected with the air conditioner controller, the compressor system is respectively connected with the ECU of the whole vehicle controller, the high-voltage battery pack of the whole vehicle and the low-voltage battery pack of the whole vehicle, the PTC control system is connected with the high-voltage battery pack. The utility model has the advantages that: the situations of overhigh air outlet temperature, scorching and even burning of the air conditioner shell are avoided; the energy consumption of the compressor can be effectively reduced, and the noise level of the air conditioner is improved.
Description
Technical Field
The utility model belongs to the technical field of the relevant technique of vehicle air conditioner and specifically relates to indicate an electronic pick up air conditioner control system.
Background
The development of pure electric vehicle air conditioner products tends to be compact, light and efficient, and the convenience of self assembly is continuously improved. The upgrading of the control system of the air conditioning system becomes an urgent need. Manual mechanical controls are gradually being replaced by electronic and automatic controls. The current pure electric pickup urgently needs a light and economical electric air conditioner controller assembly which accords with the structure of the existing instrument desk.
In the existing air conditioner controller assembly, there are certain deficiencies for the temperature control inside the air conditioner and for the rotational speed control of the compressor, for example: the problem that the air conditioner shell is aged to a certain extent or even burnt due to overhigh temperature in the air conditioner is solved, the power consumption of the whole vehicle is greatly increased due to overhigh rotating speed of the compressor, and the effect of the air conditioner is greatly reduced due to overlow rotating speed of the compressor.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome and have foretell not enough among the prior art, provide a nimble electronic pick up air conditioner control system of temperature control and compressor rotational speed control.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an electronic pickup air conditioner control system, includes air conditioner controller, vehicle control unit ECU, compressor system, PTC control system, temperature motor, mode motor, circulating motor, speed governing system, evaporimeter temperature sensor, pressure switch, whole car high voltage battery group and whole car low voltage battery group, compressor system, PTC control system, temperature motor, mode motor, circulating motor, speed governing system, evaporimeter temperature sensor and whole car low voltage battery group all be connected with air conditioner controller, compressor system connect vehicle control unit ECU, whole car high voltage battery group and whole car low voltage battery group respectively, PTC control system connect whole car high voltage battery group, speed governing system connect whole car low voltage battery group, vehicle control unit ECU pass through pressure switch and air conditioner controller and be connected.
Wherein: the temperature protection of the PTC control system is realized through the design of the evaporator temperature sensor, and the PTC control system can be disconnected under the condition that the temperature of the PTC control system reaches a certain dangerous value, so that the conditions of overhigh outlet air temperature, scorching and even burning of an air conditioner shell are avoided; simultaneously, can adjust compressor system's compressor rotational speed according to the evaporimeter surface temperature who gathers through evaporimeter temperature sensor, it is little to reach the condition that needs the refrigerating output lower at the air conditioner, and compressor rotational speed is corresponding lower, can effectively reduce the energy consumption of compressor, promotes air conditioner noise level.
Preferably, the compressor system comprises a compressor body, a compressor controller and a compressor relay, the compressor relay comprises a compressor coil and a compressor switch, the cathode of the compressor body is connected with the cathode of the high-voltage battery pack of the whole vehicle, the positive pole of the compressor body is connected with the positive pole of the high-voltage battery pack of the whole vehicle through a compressor switch in the compressor relay, the compressor controller is provided with a power supply end, a start-stop signal end and a PWM speed regulation signal end, the power supply end of the compressor controller is connected with the low-voltage battery pack of the whole vehicle, the start-stop signal end of the compressor controller is connected with the ECU of the whole vehicle controller, the controller ECU of the vehicle control unit is connected with one end of a compressor coil in a compressor relay, and the other end of the compressor coil in the compressor relay is grounded.
Preferably, the PTC control system comprises a PTC controller and a PTC relay, the PTC controller comprises a PTC heater and a PTC temperature control switch, the PTC relay comprises a PTC coil and a PTC switch, the ECU of the vehicle controller is connected with one end of the PTC coil in the PTC relay, the other end of the PTC coil in the PTC relay is grounded, the anode of the PTC heater is connected with the anode of the high-voltage battery pack of the vehicle through the PTC switch in the PTC relay, the cathode of the PTC heater is connected with the cathode of the high-voltage battery pack of the vehicle, one end of the PTC temperature control switch is connected with the ECU of the vehicle controller, and the other end of the PTC temperature control switch is connected with the air conditioner controller.
Preferably, the PTC heater is made of a constant temperature thermistor material, and the PTC temperature control switch is a snap-action temperature switch. Wherein: the kick type temperature switch is disconnected at 130 ℃ and automatically closed at 80 ℃, so that the conditions of overhigh air outlet temperature, scorching and even burning of the air conditioner shell caused by overhigh surface temperature of the PTC heater can be prevented.
Preferably, the speed governing system include speed regulator, blower motor and blast relay, the speed regulator include signal input part, signal output part and earthing terminal, the blast relay include blast coil and blast switch, the signal input part and the air conditioner controller of speed regulator are connected, the one end of blower motor is connected to the signal output part of speed regulator, blast switch one end in the blast relay is connected to the other end of blower motor, the blast switch other end in the blast relay is connected with the fuse, the fuse connect whole car low voltage battery group, coil one end in the blast relay is connected to the positive pole of whole car low voltage battery group, coil other end ground connection in the blast relay.
The utility model has the advantages that: the situations of overhigh air outlet temperature, scorching and even burning of the air conditioner shell are avoided; the condition that the refrigerating capacity required by the air conditioner is low is achieved, the rotating speed of the compressor is correspondingly low, the energy consumption of the compressor can be effectively reduced, and the noise level of the air conditioner is improved.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. the system comprises an air conditioner controller, 2, a compressor system, 3, a vehicle control unit ECU, 4, a compressor relay, 5, a PTC relay, 6, a PTC controller, 7, a pressure switch, 8, a fuse, 9, a blast relay, 10, a blast motor, 11, a speed regulator, 12, a temperature motor, 13, a mode motor, 14, a circulating motor and 15, and an evaporator temperature sensor.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
In the embodiment shown in fig. 1, an electric pickup air conditioning control system comprises an air conditioning controller 1, a vehicle control unit ECU3, a compressor system 2, a PTC control system, a temperature motor 12, a mode motor 13, a circulating motor 14, a speed regulating system, and an evaporator temperature sensor 15, the air conditioner comprises a pressure switch 7, a finished automobile high-voltage battery pack and a finished automobile low-voltage battery pack, a compressor system 2, a PTC control system, a temperature motor 12, a mode motor 13, a circulating motor 14, a speed regulating system, an evaporator temperature sensor 15 and the finished automobile low-voltage battery pack are all connected with the air conditioner controller 1, the compressor system 2 is respectively connected with a finished automobile controller ECU3, the finished automobile high-voltage battery pack and the finished automobile low-voltage battery pack, the PTC control system is connected with the finished automobile high-voltage battery pack, the speed regulating system is connected with the finished automobile low-voltage battery pack, and the finished automobile controller ECU.
The PTC control system comprises a PTC controller 6 and a PTC relay 5, the PTC controller 6 comprises a PTC heater and a PTC temperature control switch, the PTC relay 5 comprises a PTC coil and a PTC switch, the whole vehicle controller ECU3 is connected with one end of the PTC coil in the PTC relay 5, the other end of the PTC coil in the PTC relay 5 is grounded, the anode of the PTC heater is connected with the anode of the whole vehicle high-voltage battery pack through the PTC switch in the PTC relay 5, the cathode of the PTC heater is connected with the cathode of the whole vehicle high-voltage battery pack, one end of the PTC temperature control switch is connected with the whole vehicle controller ECU3, and the other end of the PTC temperature control switch is connected with the air conditioner controller 1. The PTC heater is made of constant temperature thermistor material, and the PTC temperature control switch is a kick temperature switch.
The speed governing system includes speed regulator 11, air-blast motor 10 and blast relay 9, speed regulator 11 includes signal input part, signal output part and earthing terminal, blast relay 9 includes blast coil and blast switch, speed regulator 11's signal input part is connected with air conditioner controller 1, the one end of blast motor 10 is connected to speed regulator 11's signal output part, blast switch one end in blast relay 9 is connected to the other end of blast motor 10, the blast switch other end in blast relay 9 is connected with fuse 8, fuse 8 connects whole car low voltage battery group, the coil one end in blast relay 9 is connected to the positive pole of whole car low voltage battery group, the coil other end ground connection in blast relay 9.
When a driver needs to use the air conditioner refrigeration function, an AC key of the air conditioner controller 1 is pressed, the air conditioner controller 1 sends a request signal, the request signal reaches a pressure switch 7, the pressure switch 7 judges whether the air conditioner meets the working condition according to the refrigerant pressure of an air conditioner control system, when the pressure switch 7 detects that the refrigerant pressure of the air conditioner normally meets the working requirement, the pressure switch 7 is communicated, the AC signal is transmitted to a whole vehicle controller ECU3, the whole vehicle controller ECU3 judges whether the whole vehicle meets the working condition of a compressor, when the whole vehicle controller ECU3 judges that the state of the whole vehicle allows the compressor to work, the whole vehicle controller sends a signal to a compressor coil in a compressor relay 4, the compressor coil in the compressor relay 4 attracts a compressor switch in the compressor relay 4 after receiving the signal, and a whole vehicle high-voltage battery pack circuit connected with the compressor, the whole vehicle high-voltage battery pack provides high voltage for the compressor body; at this time, the vehicle control unit ECU3 also transmits a signal to a start-stop signal of the compressor controller after receiving the AC request signal; when the air conditioner controller 1 sends a request signal, the surface temperature of the evaporator can be detected through the evaporator temperature sensor 15 made of thermistor materials, the air conditioner controller 1 sets 4 rotating speed gears of stop, low speed, medium speed and high speed according to the detected temperature of the evaporator, and the rotating speed of the compressor is controlled by the air conditioner controller 1 through a PWM duty ratio method.
When a driver needs to use the air-conditioning heating function, the PTC switch of the PTC controller 6 is pressed, the air-conditioning controller 1 sends a request signal, the request signal passes through the PTC switch, when the PTC switch detects that the temperature value of the PTC heater is within the working range, the PTC switch is communicated, the request signal reaches the whole vehicle controller ECU3, the whole vehicle controller ECU3 judges whether the whole vehicle meets the working condition of the PTC heater, when the whole vehicle controller judges that the whole vehicle state allows the PTC heater to work, the whole vehicle controller ECU3 sends a signal to the PTC coil in the PTC relay 5, so that the PTC switch in the PTC relay 5 is closed to enable the whole vehicle high-voltage battery pack to provide high voltage for the PTC heater, the PTC heater can be electrified to work, because the PTC heater adopts constant-temperature thermistor material, the temperature is increased after electrification, the traditional air-conditioning water heating heater can be replaced, the air-, and because the PTC switch is a kick type temperature switch, the kick type temperature switch is disconnected at 130 ℃ and automatically closed at 80 ℃, the conditions of overhigh air outlet temperature, scorching and even burning of the air conditioner shell caused by overhigh surface temperature of the PTC can be prevented.
Claims (5)
1. An electric pickup air conditioner control system is characterized by comprising an air conditioner controller (1), a whole vehicle controller ECU (3), a compressor system (2), a PTC control system, a temperature motor (12), a mode motor (13), a circulating motor (14), a speed regulating system, an evaporator temperature sensor (15), a pressure switch (7), a whole vehicle high-voltage battery pack and a whole vehicle low-voltage battery pack, wherein the compressor system (2), the PTC control system, the temperature motor (12), the mode motor (13), the circulating motor (14), the speed regulating system, the evaporator temperature sensor (15) and the whole vehicle low-voltage battery pack are all connected with the air conditioner controller (1), the compressor system (2) is respectively connected with the whole vehicle ECU (3), the whole vehicle high-voltage battery pack and the whole vehicle low-voltage battery pack, the PTC control system is connected with the whole vehicle high-voltage battery pack, the speed regulating system is connected with a whole vehicle low-voltage battery pack, and the whole vehicle controller ECU (3) is connected with the air conditioner controller (1) through a pressure switch (7).
2. The electric pickup air conditioner control system according to claim 1, wherein the compressor system (2) comprises a compressor body, a compressor controller and a compressor relay (4), the compressor relay (4) comprises a compressor coil and a compressor switch, the cathode of the compressor body is connected with the cathode of the whole vehicle high-voltage battery pack, the anode of the compressor body is connected with the anode of the whole vehicle high-voltage battery pack through the compressor switch in the compressor relay (4), the compressor controller is provided with a power supply end, a start-stop signal end and a PWM speed regulation signal end, the power supply end of the compressor controller is connected with the whole vehicle low-voltage battery pack, the start-stop signal end of the compressor controller is connected with the whole vehicle controller ECU (3), the PWM speed regulation signal end of the compressor controller is connected with the air conditioner controller (1), the vehicle control unit ECU (3) is connected with one end of a compressor coil in the compressor relay (4), and the other end of the compressor coil in the compressor relay (4) is grounded.
3. The electric pickup air conditioner control system according to claim 1 or 2, wherein the PTC control system comprises a PTC controller (6) and a PTC relay (5), the PTC controller (6) comprises a PTC heater and a PTC temperature-controlled switch, the PTC relay (5) comprises a PTC coil and a PTC switch, the vehicle controller ECU (3) is connected with one end of the PTC coil in the PTC relay (5), the other end of the PTC coil in the PTC relay (5) is grounded, the positive pole of the PTC heater is connected with the positive pole of the vehicle high-voltage battery pack through the PTC switch in the PTC relay (5), the negative pole of the PTC heater is connected with the negative pole of the vehicle high-voltage battery pack, one end of the PTC temperature-controlled switch is connected with the vehicle controller ECU (3), and the other end of the PTC temperature-controlled switch is connected with the air conditioner controller (1).
4. The control system of claim 3, wherein the PTC heater is made of a constant temperature thermistor material, and the PTC temperature control switch is a snap-action temperature switch.
5. The electric pickup air conditioner control system according to claim 1 or 2, characterized in that the speed regulating system comprises a speed regulator (11), a blower motor (10) and a blower relay (9), the speed regulator (11) comprises a signal input end, a signal output end and a grounding end, the blower relay (9) comprises a blower coil and a blower switch, the signal input end of the speed regulator (11) is connected with the air conditioner controller (1), the signal output end of the speed regulator (11) is connected with one end of the blower motor (10), the other end of the blower motor (10) is connected with one end of the blower switch in the blower relay (9), the other end of the blower switch in the blower relay (9) is connected with a fuse (8), the fuse (8) is connected with a whole vehicle low-voltage battery pack, the positive pole of the whole vehicle low-voltage battery pack is connected with one end of the coil in the blower relay (9), the other end of the coil in the blast relay (9) is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058798.XU CN210211964U (en) | 2019-07-08 | 2019-07-08 | Electric pickup air conditioner control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058798.XU CN210211964U (en) | 2019-07-08 | 2019-07-08 | Electric pickup air conditioner control system |
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| Publication Number | Publication Date |
|---|---|
| CN210211964U true CN210211964U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921058798.XU Active CN210211964U (en) | 2019-07-08 | 2019-07-08 | Electric pickup air conditioner control system |
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| CN (1) | CN210211964U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793383A (en) * | 2020-12-31 | 2021-05-14 | 镇江海姆霍兹传热传动系统有限公司 | Electric vehicle and electric heating device thereof |
| CN113650568A (en) * | 2021-07-29 | 2021-11-16 | 东风汽车股份有限公司 | Vehicle air conditioner request signal management system |
-
2019
- 2019-07-08 CN CN201921058798.XU patent/CN210211964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793383A (en) * | 2020-12-31 | 2021-05-14 | 镇江海姆霍兹传热传动系统有限公司 | Electric vehicle and electric heating device thereof |
| CN113650568A (en) * | 2021-07-29 | 2021-11-16 | 东风汽车股份有限公司 | Vehicle air conditioner request signal management system |
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