CN217623058U - Air conditioner control system based on vehicle control unit and new energy automobile - Google Patents
Air conditioner control system based on vehicle control unit and new energy automobile Download PDFInfo
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- CN217623058U CN217623058U CN202221588557.8U CN202221588557U CN217623058U CN 217623058 U CN217623058 U CN 217623058U CN 202221588557 U CN202221588557 U CN 202221588557U CN 217623058 U CN217623058 U CN 217623058U
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Abstract
The utility model relates to an on-vehicle air conditioner control technical field provides an air conditioner control system and new energy automobile based on vehicle control unit, the system includes: the temperature sensor I is arranged on the evaporator, and the evaporator is positioned in the cockpit; the temperature sensor I is in communication connection with a vehicle control unit VCU, and the vehicle control unit VCU is in communication connection with a compressor. When the whole vehicle is electrified at high voltage or in a charging state, the VCU receives an evaporator temperature value detected by the temperature sensor I, detects whether the evaporator temperature value is greater than a temperature threshold value, and if the detection result is yes, sends an enabling signal to the compressor, and the compressor is started based on the enabling signal. The start and stop of the compressor are controlled based on the temperature of the evaporator, the problem that the vehicle-mounted air conditioner cannot normally operate due to the crystallization of a refrigerant in the evaporator can be effectively avoided, and meanwhile, the utilization rate of energy can be improved.
Description
Technical Field
The utility model relates to an on-vehicle air conditioner control technical field provides an air conditioner control system and new energy automobile based on vehicle control unit.
Background
The air conditioner is one of important accessories of the new energy automobile, and the energy management of the air conditioner is a problem of the important research of the new energy automobile. Especially, when summer comes, the energy consumption of the air conditioner has a significant influence on the endurance of the whole vehicle, and the energy consumption of the air conditioner generally accounts for about 20%. Most of existing vehicle-mounted air conditioners control the rotating speed of a compressor based on the temperature in a cockpit, and the phenomenon that an evaporator is too low to cause crystallization of a refrigerant easily occurs, so that the normal operation of the air conditioner is influenced, and meanwhile, the utilization rate of energy is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioner control system based on vehicle control unit aims at improving above-mentioned problem.
The utility model relates to a realize like this, a air conditioner control system based on vehicle control unit, the system includes:
the temperature sensor I is arranged on the evaporator, and the evaporator is positioned in the cockpit;
the temperature sensor I is in communication connection with a vehicle control unit VCU, and the vehicle control unit VCU is in communication connection with a compressor.
Further, when the whole vehicle is powered on at high voltage or in a charging state, the VCU receives the evaporator temperature value detected by the temperature sensor I, detects whether the evaporator temperature value is larger than a temperature threshold value, and if the evaporator temperature value is larger than the temperature threshold value, an enabling signal is sent to the compressor, and the compressor is started based on the enabling signal.
Furthermore, the temperature threshold is slightly higher than the crystallization temperature of the refrigerant in the evaporator.
Further, the system further comprises:
and the battery management system BMS is in communication connection with the VCU of the vehicle control unit.
Further, the vehicle control unit VCU receives the battery power sent by the battery management system BMS, and after the battery power is detected to be larger than the power threshold value and the set time, the compressor is turned off to enable, and the compressor stops rotating.
Further, the system further comprises:
and the temperature sensor II is arranged in the cockpit and is in communication connection with the VCU of the whole vehicle controller.
Further, the temperature sensor II detects the temperature in the cockpit and sends the temperature to the vehicle control unit VCU, and after the temperature in the cockpit reaches a temperature threshold value and a set time, the output power of the compressor is limited.
The utility model relates to a realize like this, a new energy automobile, new energy automobile is last to be integrated with above-mentioned air conditioner control system based on vehicle control unit.
The start and stop of the compressor are controlled based on the temperature of the evaporator, the problem that the vehicle-mounted air conditioner cannot normally operate due to the crystallization of a refrigerant in the evaporator can be effectively avoided, and meanwhile, the utilization rate of energy can be improved.
Drawings
Fig. 1 is a schematic structural view of an air conditioning control system based on a vehicle control unit according to an embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an air conditioning control system based on a vehicle control unit according to an embodiment of the present invention, and for convenience of description, only shows a portion related to an embodiment of the present invention, and the system includes:
the temperature sensor I is arranged on the evaporator, and the evaporator is positioned in the cockpit;
the temperature sensor I is in communication connection with a vehicle control unit VCU, and the vehicle control unit VCU is in communication connection with a compressor;
the temperature sensor I is used for detecting the temperature value of the evaporator and sending the temperature value to the vehicle control unit VCU, when the vehicle is powered on at high voltage or in a charging state, the vehicle control unit VCU receives the temperature value of the evaporator detected by the temperature sensor I, detects whether the temperature value of the evaporator is larger than a temperature threshold value or not, if the detection result is yes, an enabling signal is sent to the compressor, the compressor is started based on the enabling signal, if the detection result is not, the vehicle control unit does not send the enabling signal to the compressor, and the compressor is not started.
After the compressor is started, the vehicle control unit detects whether the temperature of the evaporator is lower than a temperature threshold value in real time, if so, the compressor is turned off to enable, and the compressor stops rotating.
The embodiment of the utility model provides an in, above-mentioned temperature threshold value is a little higher than the crystallization temperature of refrigerant in the evaporimeter (evaporimeter crystallization temperature promptly), for example establish the temperature threshold value to 4 ℃, when the evaporimeter temperature value is more than or equal to 4 ℃, then send enable signal to the compressor, the compressor starts based on enable signal, when the evaporimeter temperature value is less than 4 ℃, then vehicle control unit does not send enable signal to the compressor, the compressor does not start, can effectually avoid in the evaporimeter vehicle air conditioner that the refrigerant crystallization leads to can not normal operating, can improve the utilization ratio of the energy simultaneously.
In an embodiment of the present invention, the system further includes:
and the battery management system BMS is in communication connection with the VCU of the vehicle control unit, monitors the electric quantity of the power battery in real time and sends the electric quantity to the VCU of the vehicle control unit, and after the electric quantity of the battery is detected to be larger than an electric quantity threshold value and set time, the compressor is turned off to enable the compressor, and the compressor stops rotating.
The embodiment of the utility model provides an in, the electric quantity threshold value is 12%, when the current electric quantity of power battery is less than 12%, closes the compressor after 30s and enables, and the control compressor is shut down to practice thrift the electric energy, avoid lying prone the nest.
In an embodiment of the present invention, the system further includes:
a temperature sensor II arranged in the cockpit and in communication connection with the VCU of the vehicle control unit,
and the temperature sensor II is used for detecting the temperature in the cockpit and sending the temperature to the VCU, and after the temperature in the cockpit reaches a temperature threshold value and a set time length, the output power of the compressor is limited, namely the output power of the compressor is controlled to be lower than a power threshold value.
The embodiment of the utility model provides an in, the temperature threshold value is 24 degrees, when temperature sensor II detected the temperature in the current cockpit and reached 24 degrees, limits the output of compressor behind 30s, for example the output of control compressor be half of maximum output, balanced user's travelling comfort and continuation of the journey.
The utility model also provides a new energy automobile, this new energy automobile is last to be integrated with above-mentioned air conditioner control system based on vehicle control unit.
Obviously the specific implementation of the present invention is not limited by the above-mentioned manner, and various insubstantial improvements made by the method concept and technical solution of the present invention are all within the protection scope of the present invention.
Claims (8)
1. An air conditioner control system based on a vehicle control unit, which is characterized by comprising:
the temperature sensor I is arranged on the evaporator, and the evaporator is positioned in the cockpit;
the temperature sensor I is in communication connection with a vehicle control unit VCU, and the vehicle control unit VCU is in communication connection with a compressor.
2. The vehicle controller-based air conditioning control system according to claim 1, wherein when the vehicle is powered on at high voltage or in a charging state, the vehicle controller VCU receives the evaporator temperature value detected by the temperature sensor i, detects whether the evaporator temperature value is greater than a temperature threshold value, and if so, sends an enable signal to the compressor, and the compressor is started based on the enable signal.
3. The vehicle controller-based air conditioning control system according to claim 2, wherein the temperature threshold is slightly higher than a crystallization temperature of a refrigerant in the evaporator.
4. The vehicle control unit-based air conditioning control system according to claim 1, wherein the system further comprises:
and the battery management system BMS is in communication connection with the VCU of the vehicle control unit.
5. The vehicle controller-based air conditioning control system according to claim 4, wherein the vehicle controller VCU receives a battery power transmitted by the battery management system BMS, and turns off the compressor enable and stops the compressor after a set time after detecting that the battery power is greater than a power threshold.
6. The vehicle control unit-based air conditioning control system according to claim 1, wherein the system further comprises:
and the temperature sensor II is arranged in the cockpit and is in communication connection with the VCU of the whole vehicle controller.
7. The vehicle control unit-based air conditioning control system according to claim 6, wherein the temperature sensor II detects the temperature in the cabin and transmits the temperature to the vehicle control unit VCU, and after the temperature in the cabin reaches the temperature threshold value and after a set time period, the output power of the compressor is limited.
8. A new energy automobile, characterized in that the new energy automobile is integrated with an air conditioning control system based on a vehicle control unit as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221588557.8U CN217623058U (en) | 2022-06-22 | 2022-06-22 | Air conditioner control system based on vehicle control unit and new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221588557.8U CN217623058U (en) | 2022-06-22 | 2022-06-22 | Air conditioner control system based on vehicle control unit and new energy automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217623058U true CN217623058U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221588557.8U Active CN217623058U (en) | 2022-06-22 | 2022-06-22 | Air conditioner control system based on vehicle control unit and new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217623058U (en) |
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2022
- 2022-06-22 CN CN202221588557.8U patent/CN217623058U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230504 Address after: Floor 18, Building 13, Science and Technology Industrial Park, No. 717 Zhongshan South Road, Wuhu High tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Tairui Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |