CN210363283U - Air conditioner controller of electric commercial vehicle - Google Patents
Air conditioner controller of electric commercial vehicle Download PDFInfo
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- CN210363283U CN210363283U CN201921433935.3U CN201921433935U CN210363283U CN 210363283 U CN210363283 U CN 210363283U CN 201921433935 U CN201921433935 U CN 201921433935U CN 210363283 U CN210363283 U CN 210363283U
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- air conditioner
- conditioner controller
- mcu processor
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Abstract
The utility model discloses an electronic commercial car air conditioner controller, air conditioner controller is connected with whole car air conditioner, air conditioner panel respectively, its characterized in that still includes the whole car low-voltage electricity that provides the low voltage power supply for air conditioner controller, air conditioner controller includes the MCU treater, and the MCU treater is connected with the air conditioner panel, and whole car low-voltage electricity provides the low voltage power supply for the MCU treater; the MCU processor comprises an extended CAN interface for realizing real-time data sharing and a collection interface connected with an analog signal source. The utility model discloses an air conditioner controller has set up again, and the maximize has carried out the extension with input/output interface and has richened, has increased the peripheral interface of valve class, step motor, sensor class in the air conditioner controller. The abundant CAN interface increases the expandability of the system.
Description
Technical Field
The utility model belongs to electronic commercial vehicle air conditioner field, concretely relates to electronic commercial vehicle air conditioner controller.
Background
Currently, new energy sources in the automobile industry are well-established, and new energy requirements in the field of business vehicles are also great tendency. The commercial vehicle has the comfort of a car and also gives consideration to the spaciousness of a small-sized passenger car, and the requirement on the comfort is higher under the requirement of ensuring the safety of the commercial vehicle. The existing commercial vehicle air conditioner controller can meet the control and use requirements of temperature adaptability and air exchange, and only has the basic air conditioning and environment regulation control functions of refrigeration, foot heating, thermal defrosting and the like.
Compared with a pure electric commercial vehicle, the traditional commercial vehicle has the advantages that the power source is changed, the working modes of key components of an air conditioning system are greatly changed, and peripheral interfaces of valves, stepping motors and sensors need to be added in the design of a controller product.
For [ electric ] motor coach and small-size electronic passenger car, the motorcycle type of electronic commercial car changes greatly, and the state of environmental comfort control product has been defined and has been configured again, and air conditioner controller's function extension and concentration degree require extremely high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic commercial vehicle air conditioner controller, the demand to above-mentioned electronic commercial vehicle.
The purpose of the utility model is realized through the following technical scheme.
An air conditioner controller of an electric commercial vehicle comprises an air conditioner controller, a whole vehicle air conditioner and an air conditioner panel, wherein the air conditioner controller is respectively connected with the whole vehicle air conditioner and the air conditioner panel;
the air conditioner controller comprises an MCU processor, the MCU processor is connected with the air conditioner panel, and the low voltage of the whole vehicle provides low voltage power supply for the MCU processor; the MCU processor comprises an extended CAN interface for realizing real-time data sharing and an acquisition interface connected with an analog signal source;
the air conditioner controller further includes: the stepping motor driving circuit is used for driving a stepping motor in the whole vehicle air conditioner and is connected with the MCU processor; the bridge driving circuit is used for driving an air door and a water valve in the whole vehicle air conditioner and is connected with the MCU processor; the high-side driving circuit is used for driving an electronic expansion valve, an electromagnetic valve and a relay in the whole vehicle air conditioner and is connected with the MCU processor; and the fan driving circuit is used for driving an evaporation fan and a condensation fan in the whole vehicle air conditioner and is connected with the MCU processor.
The MCU processor also comprises a temperature and humidity acquisition interface, a pressure acquisition interface, a switching value acquisition interface and a pulse acquisition interface.
The air conditioner controller is provided with at least two CAN interfaces, one CAN interface is connected with the control panel, and the other CAN interfaces are used as expansion interfaces of the air conditioner controller.
The air conditioner panel is connected with the whole vehicle control equipment through a CAN bus, and the whole vehicle control equipment comprises whole vehicle ECU equipment and whole vehicle ICARD equipment.
And the standby current of the air conditioner controller is less than 0.5 mA.
The utility model has the advantages that: the utility model discloses an air conditioner controller has set up again, and the maximize has carried out the extension with input/output interface and has richened, has increased the peripheral interface of valve class, step motor, sensor class in the air conditioner controller. The abundant CAN interface increases the expandability of the system.
Drawings
Fig. 1 is a block diagram of a product architecture of an air conditioner controller of an electric commercial vehicle.
Fig. 2 is a schematic architecture diagram of an air conditioning controller for an electric commercial vehicle.
Detailed Description
As shown in fig. 1-2, an air conditioner controller of an electric commercial vehicle is mainly used for controlling an air conditioner of the electric commercial vehicle and comprises a whole vehicle air conditioner, an air conditioner panel, the air conditioner controller and a whole vehicle low-voltage power supply, wherein the air conditioner controller is respectively connected with the whole vehicle air conditioner and the air conditioner panel, and the whole vehicle low-voltage power supply provides low-voltage power for the air conditioner controller. The hardware equipment of the whole vehicle air conditioner comprises whole vehicle control equipment, a defroster, fresh air equipment, air purification equipment, a passenger area foot heater, a driver area variable frequency compressor and a passenger area variable frequency compressor, wherein the air conditioner controller is connected with the whole vehicle air conditioner and is used for controlling the hardware equipment of the whole vehicle air conditioner. The air conditioner panel mainly has the functions of a human-computer interaction interface, bearing human-computer interaction and expanding a part of monitoring function interfaces.
The air conditioner controller comprises an MCU processor, the MCU processor is a processing core of the air conditioner controller, the MCU processor comprises an expansion CAN interface for realizing real-time data sharing and a collection interface connected with an analog signal source, the air conditioner panel is connected with the MCU processor through the CAN interface, and the MCU processor executes a human-computer interaction command sent by the air conditioner panel. The standby current of the air conditioner controller is less than 0.5mA, and the air conditioner controller has a low-power consumption control function and meets the low-power consumption requirement of low-voltage battery power supply equipment.
The air conditioner controller also comprises a stepping motor driving circuit used for driving a stepping motor in the whole vehicle air conditioner, and the stepping motor driving circuit is connected with the MCU processor; the bridge driving circuit is used for driving an air door and a water valve in the whole vehicle air conditioner and is connected with the MCU processor; the high-side driving circuit is used for driving an electronic expansion valve, an electromagnetic valve and a relay in the whole vehicle air conditioner and is connected with the MCU processor; and the fan driving circuit is used for driving an evaporation fan and a condensation fan in the whole vehicle air conditioner and is connected with the MCU processor.
Furthermore, the MCU processor also comprises a temperature and humidity acquisition interface, a pressure acquisition interface, a switching value acquisition interface and a pulse acquisition interface.
The temperature and humidity acquisition interface is connected with a temperature and humidity sensor, and the temperature and humidity sensor comprises temperature and humidity sensors arranged in the whole vehicle, outside the whole vehicle, at the position of the condensation core body and at the position of the evaporation core body.
The pressure acquisition interface is connected with a pressure sensor, the pressure sensor comprises a pressure sensor arranged in a refrigerant pipeline, and the pressure sensor is respectively arranged on the front end refrigerant pipeline and the rear end refrigerant pipeline of the compressor and respectively used for detecting the high pressure of the refrigerant and the low pressure of the refrigerant.
The input of the switching value has two effective states of high effective and low effective, the two effective states are scanned by the switching value acquisition interface in real time and are compared and judged with a set value in the MCU processor.
The switching value acquisition interface comprises a switching value used for acquiring a low power consumption state when the whole vehicle air conditioner is in a standby state, the low power consumption meets the leakage current requirement of the whole vehicle air conditioner in the standby state, the vehicle can be stopped for a long time and requires leakage current detection, the low-voltage storage battery is prevented from being damaged due to transitional discharge of the low-voltage storage battery, and the vehicle can quit the low power consumption standby state when being started so that an MCU processor of the air conditioner controller responds to an instruction of an air conditioner panel.
The switching value acquisition interface is also used for acquiring signals of a pressure switch, the pressure switch is arranged in a refrigerant pipeline and used for protecting the refrigerant pipeline, and in the refrigerant pipeline, the pipeline pressure is too high, so that the safety is influenced, and the performance is influenced too low. The normal state of the pressure switch is on, when the high pressure exceeds a set value or is lower than the set value, the pressure switch is actively switched off, and the switching value acquisition interface of the MCU processor compares the acquired signal value of the pressure switch with a threshold value and carries out alarm processing. The comparison of the threshold values is a routine technique for those skilled in the art.
The pulse acquisition interface is used for acquiring the pulse quantity of a fuel heater in an air conditioner of the whole vehicle, and the principle is as follows: after detecting the pulse signal in the fuel heater, through voltage restriction back, gather by the pulse acquisition interface of MCU treater, through comparing with the threshold value of alarm information in the MCU treater, send alarm information to the air conditioner panel. The comparison of the threshold values is a routine technique for those skilled in the art.
Furthermore, the air conditioner controller is provided with at least two CAN interfaces, one CAN interface is connected with the control panel, the other CAN interfaces are used as expansion interfaces of the air conditioner controller, and the expansion interfaces CAN be connected with equipment with CAN interfaces, such as an electric compressor, a frequency converter, an air purifier and the like.
Further, the air-conditioning panel is connected with the whole vehicle control device through a CAN bus, the whole vehicle control device comprises a whole vehicle ECU device and a whole vehicle ICARD device, and all state information and state control of the whole vehicle ECU device and the whole vehicle ICARD device realize information interaction with the air-conditioning panel through the CAN bus.
The above description is only a preferred embodiment of the present invention, and is not a limitation to the technical solution of the present invention, it should be noted that, further improvements and changes can be made by those skilled in the art on the premise of the technical solution of the present invention, and all such improvements and changes should be covered in the protection scope of the present invention.
Claims (5)
1. An air conditioner controller of an electric commercial vehicle comprises an air conditioner controller, a whole vehicle air conditioner and an air conditioner panel, wherein the air conditioner controller is respectively connected with the whole vehicle air conditioner and the air conditioner panel;
the air conditioner controller comprises an MCU processor, the MCU processor is connected with the air conditioner panel, and the low voltage of the whole vehicle provides low voltage power supply for the MCU processor; the MCU processor comprises an extended CAN interface for realizing real-time data sharing and an acquisition interface connected with an analog signal source;
the air conditioner controller further includes: the stepping motor driving circuit is used for driving a stepping motor in the whole vehicle air conditioner and is connected with the MCU processor; the bridge driving circuit is used for driving an air door and a water valve in the whole vehicle air conditioner and is connected with the MCU processor; the high-side driving circuit is used for driving an electronic expansion valve, an electromagnetic valve and a relay in the whole vehicle air conditioner and is connected with the MCU processor; and the fan driving circuit is used for driving an evaporation fan and a condensation fan in the whole vehicle air conditioner and is connected with the MCU processor.
2. The air conditioner controller for electric business vehicles as claimed in claim 1, wherein the MCU processor further comprises a temperature and humidity acquisition interface, a pressure acquisition interface, a switching value acquisition interface and a pulse acquisition interface.
3. The air conditioner controller of electric commercial vehicle as claimed in claim 1, wherein the air conditioner controller has at least two CAN interfaces, one CAN interface is connected to the control panel, and the other CAN interfaces are used as the extended interfaces of the air conditioner controller.
4. The air conditioner controller of an electric commercial vehicle as claimed in claim 1, wherein the air conditioner panel is connected to a vehicle control device through a CAN bus, and the vehicle control device includes a vehicle ECU device and a vehicle ICARD device.
5. The air conditioner controller of electric commercial vehicle as claimed in claim 1, wherein the standby current of the air conditioner controller is less than 0.5 mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433935.3U CN210363283U (en) | 2019-08-30 | 2019-08-30 | Air conditioner controller of electric commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433935.3U CN210363283U (en) | 2019-08-30 | 2019-08-30 | Air conditioner controller of electric commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210363283U true CN210363283U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921433935.3U Active CN210363283U (en) | 2019-08-30 | 2019-08-30 | Air conditioner controller of electric commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210363283U (en) |
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2019
- 2019-08-30 CN CN201921433935.3U patent/CN210363283U/en active Active
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