CN107458175B - Air conditioner information display control system and electric automobile - Google Patents

Air conditioner information display control system and electric automobile Download PDF

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Publication number
CN107458175B
CN107458175B CN201710640279.3A CN201710640279A CN107458175B CN 107458175 B CN107458175 B CN 107458175B CN 201710640279 A CN201710640279 A CN 201710640279A CN 107458175 B CN107458175 B CN 107458175B
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China
Prior art keywords
air conditioner
information
controller
air conditioning
conditioner controller
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CN107458175A (en
Inventor
景海玲
李奇
马学骞
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Priority to CN201710640279.3A priority Critical patent/CN107458175B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems

Abstract

The invention provides a display control system of air conditioning information and an electric automobile, wherein the display control system of the air conditioning information comprises: a main control module; an air conditioning system; the air conditioner controller is connected with the air conditioning system and the main control module; the air conditioner controller receives an adjusting control instruction of the air conditioner system, which is sent by the main control module and generated according to the operation of a user, obtains the working mode state information of the air conditioner system according to the adjusting control instruction and the current working environment of the air conditioner system, and sends the working mode state information to the main control module for displaying. The display control system of the air conditioning information provided by the invention visually feeds back the working mode state information of the air conditioning system to a user, so that the user can conveniently and directly know the current state of the air conditioning system, and meanwhile, if the air conditioning system has a fault, a fault piece is directly reported, and the maintenance of the air conditioning system is facilitated.

Description

Air conditioner information display control system and electric automobile
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a display control system of air conditioner information and an electric automobile.
Background
With the rapid development of electric vehicles, the performance and the operation convenience of the vehicle-mounted air conditioning system, which is one of the core components directly influencing the working performance of the vehicle, are receiving more and more attention from users. In the prior art, the fault state, the limiting state and the working state of the vehicle-mounted air conditioner in the working process cannot be presented to a user in real time, so that the user cannot visually know the state of the vehicle-mounted air conditioner, and the maintenance of the vehicle-mounted air conditioner is not facilitated.
Disclosure of Invention
The embodiment of the invention provides a display control system of air conditioner information and an electric automobile, and aims to solve the problems that in the prior art, an air conditioner cannot timely feed back state information to a user in the operation process, so that the user cannot intuitively know the state of the air conditioner, and the air conditioner is not beneficial to maintenance.
The embodiment of the invention provides a display control system of air conditioner information, which comprises:
a main control module;
an air conditioning system; and
the air conditioner controller is connected with the air conditioner system and the main control module;
the air conditioner controller receives an adjusting control instruction of the air conditioner system, which is sent by the main control module and generated according to the operation of a user, obtains the working mode state information of the air conditioner system according to the adjusting control instruction and the current working environment of the air conditioner system, and sends the working mode state information to the main control module for displaying.
Wherein, the display control system of air conditioner information still includes:
the vehicle control unit is connected with the air conditioner controller, and the battery management system is connected with the processor;
the vehicle control unit acquires electric quantity information of the battery management system, when the electric quantity information of the battery management system is smaller than an electric quantity threshold value, the vehicle control unit sends a prohibition instruction to the air conditioner controller, when the electric quantity information of the battery management system is larger than the electric quantity threshold value, the vehicle control unit sends an allowance instruction to the air conditioner controller, and the air conditioner controller generates limiting state information according to the prohibition instruction.
The air conditioning system comprises a refrigerating module and a heating module.
Wherein the refrigeration module comprises: the system comprises an evaporation temperature sensor, a first air blower, a first environment temperature sensor, a pressure sensor arranged on a pipeline, a compressor controller and a compressor connected with the compressor controller.
The air conditioner controller is connected with each device in the refrigeration module and used for acquiring and controlling state information of each device;
and under the condition that the air conditioner controller acquires a refrigeration regulation control instruction and an allowable instruction, when the air conditioner controller detects that any device in the refrigeration module breaks down, generating refrigeration fault state information.
Wherein, the air conditioning system further includes: a first input end of the temperature comparator is connected with the evaporation temperature sensor, a second input end of the temperature comparator is connected with the first environment temperature sensor, and an output end of the temperature comparator is connected with the air conditioner controller;
and when the air conditioner controller acquires a refrigeration regulation control instruction and an allowable instruction, the air conditioner controller detects that the temperature information of the evaporation temperature sensor and/or the first environment temperature sensor is not in a corresponding preset temperature range, and generates refrigeration limitation state information.
Wherein, the air conditioning system further includes: the input end of the pressure comparator is connected with the pressure sensor, and the output end of the pressure comparator is connected with the air conditioner controller;
and generating refrigeration limiting state information when the air conditioner controller detects that the pressure information of the pressure sensor is not in a corresponding preset pressure range in the state that the air conditioner controller acquires a refrigeration regulation control instruction and an allowance instruction.
The compressor controller is connected with the air conditioner controller through a controller local area network bus, and the compressor controller is connected with the compressor through a wire harness;
under the state that air conditioner controller acquires refrigeration regulation control instruction and allows the instruction, air conditioner controller detects device normal operating in the refrigeration module, pressure sensor, evaporating temperature sensor, first ambient temperature sensor's information all is in presetting the within range, air conditioner controller passes through compressor controller control compressor work generates refrigeration mode state information.
Wherein the heating module includes: a second blower, a PTC controller and a positive temperature coefficient thermistor PTC heater.
The air conditioner controller is connected with each device in the heating module and used for acquiring and controlling state information of each device;
and generating heating fault state information when the air conditioner controller detects that any device in the heating module has a fault in a state that the air conditioner controller acquires a heating regulation control instruction and an allowable instruction.
The heating module further comprises a second ambient temperature sensor connected with the air conditioner controller;
and under the condition that the air conditioner controller acquires a heating regulation control instruction and an allowable instruction, the air conditioner controller detects that the temperature information of the second ambient temperature sensor is greater than a preset temperature threshold value, and heating limitation state information is generated.
The PTC controller is connected with the air conditioner controller through a controller local area network bus;
under the state that air conditioner controller acquires heating regulation control command and allows the instruction, air conditioner controller detects the equal normal operating of device in the module of heating when the temperature information of second ambient temperature sensor is less than preset temperature threshold, air conditioner controller control the PTC controller with the work of PTC heater generates heating mode state information.
The embodiment of the invention also provides a display control method of air conditioner information, which is applied to an air conditioner controller and comprises the following steps:
receiving an adjusting control instruction of an air conditioning system, which is sent by a main control module and generated according to the operation of a user, and generating working mode state information of the air conditioning system according to the adjusting control instruction and the current working environment of the air conditioning system;
and sending the working mode state information to the main control module for displaying.
Wherein the method further comprises:
after the adjustment control instruction is received, an allowing instruction sent by the vehicle control unit when the electric quantity information of the battery management system is larger than an electric quantity threshold value or a prohibiting instruction sent by the vehicle control unit when the electric quantity information of the battery management system is smaller than the electric quantity threshold value is received;
and when a prohibition instruction sent by the whole vehicle controller is acquired, the air conditioner controller generates limitation state information. The method comprises the following steps of receiving an adjusting control instruction of the air conditioning system, which is sent by a main control module and generated according to the operation of a user, and generating the working mode state information of the air conditioning system according to the adjusting control instruction and the current working environment of the air conditioning system, wherein the step of generating the working mode state information of the air conditioning system comprises the following steps:
receiving the adjusting control instruction, and judging the type of the adjusting control instruction;
when the adjusting control instruction is a refrigerating adjusting control instruction, generating refrigerating working mode state information according to the refrigerating adjusting control instruction and the current working environment of the air conditioning system;
and when the adjusting control instruction is a heating adjusting control instruction, generating heating working mode state information according to the heating adjusting control instruction and the current working environment of the air conditioning system.
Wherein, the step of generating the state information of the refrigeration working mode according to the refrigeration regulation control instruction and the current working environment of the air conditioning system comprises the following steps:
when an allowance instruction is received and a device in a refrigeration module of the air conditioning system is detected to be in fault, generating refrigeration fault state information;
when an allowance instruction is received and the temperature and/or the pressure in a refrigeration module of the air conditioning system are detected not to meet a preset condition, generating refrigeration limitation state information;
and generating refrigeration mode state information when receiving an allowance instruction and detecting that the devices in the refrigeration module of the air conditioning system normally operate and the temperature and the pressure meet preset conditions.
The step of generating heating working mode state information according to the heating adjustment control instruction and the current working environment of the air conditioning system comprises the following steps:
when an allowance instruction is received and a fault of a device in a heating module of the air conditioning system is detected, heating fault state information is generated;
when an allowance instruction is received and the temperature in a heating module of the air conditioning system is detected to be larger than a preset temperature threshold, heating limiting state information is generated;
and generating heating mode state information when an allowance instruction is received and normal operation of devices in a heating module of the air conditioning system is detected and the temperature is smaller than a preset temperature threshold value.
The embodiment of the invention also provides an electric automobile which comprises the air conditioner information display control system.
The technical scheme of the embodiment of the invention at least comprises the following beneficial effects:
according to the technical scheme, the adjusting control instruction is obtained through the air conditioner controller, the working mode state information of the air conditioner system is obtained according to the adjusting control instruction and the working environment of the air conditioner system connected with the air conditioner controller, the generated working mode state information is sent to the main control module to be displayed, the working mode state information of the air conditioner system is visually fed back to a user, the user can conveniently and directly know the current state of the air conditioner system, meanwhile, when the air conditioner system has a fault, a fault piece is directly reported, the maintenance of the air conditioner system is facilitated, and the use experience of the user is guaranteed.
Drawings
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic view of a display control system for air conditioning information according to the present invention;
FIG. 2 is a schematic diagram of a second display control system for air conditioning information according to the present invention;
FIG. 3 is a schematic diagram of a third display control system for air conditioning information according to the present invention;
FIG. 4 is a schematic diagram of a display control system for air conditioning information according to the present invention;
fig. 5 is a schematic view illustrating a display control method of air conditioning information according to the present invention;
fig. 6 is a schematic diagram illustrating a refrigeration flow of the method for controlling display of air conditioning information according to the present invention;
fig. 7 is a schematic heating flow diagram illustrating a method for controlling display of air conditioning information according to the present invention.
Wherein in the figure: 1. a main control module; 2. an air conditioning system; 21. a refrigeration module; 211. an evaporation temperature sensor; 212. a first blower; 213. a first ambient temperature sensor; 214. a pressure sensor; 215. a compressor controller; 216. a compressor; 23. a temperature comparator; 24. a pressure comparator; 22. a heating module; 221. a second blower; 222. a PTC controller; 223. a PTC heater; 224. a second ambient temperature sensor; 3. an air conditioner controller; 4. a vehicle control unit; 5. a battery management system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a display control system for air conditioner information, as shown in fig. 1, including:
a main control module 1; an air conditioning system 2; and an air conditioner controller 3 connected with the air conditioning system 2 and the main control module 1; the air conditioner controller 3 receives an adjustment control instruction of the air conditioner system 2, which is sent by the main control module 1 and generated according to the operation of a user, obtains the working mode state information of the air conditioner system 2 according to the adjustment control instruction and the current working environment of the air conditioner system 2, and sends the working mode state information to the main control module 1 for displaying.
The display control system of air conditioner information includes: the air conditioner comprises an air conditioning system 2, an air conditioning controller 3 connected with the air conditioning system 2 and used for controlling the air conditioning system 2, and a main control module 1 connected with the air conditioning controller 3. The air conditioner controller 3 obtains an adjustment control instruction input by a user for the air conditioner system 2 through the main control module 1, obtains the current working environment of the air conditioner system 2 after the air conditioner controller 3 obtains the adjustment control instruction, generates working mode state information of the air conditioner system 2 according to the adjustment control instruction and the current working environment of the air conditioner system 2, then sends the working mode state information to the main control module 1, and the main control module 1 displays the working mode state information of the air conditioner system 2.
The main control module 1 forms a display operation interface, and obtains an adjustment control instruction input by a user through touch operation of the user on a corresponding icon on the display operation interface. After the air conditioner controller 3 generates the working mode state information, the working mode state information of the air conditioner system 2 is displayed through the display operation interface, so that the working mode state information of the air conditioner system is visually fed back to a user, and the user can conveniently and directly know the current state of the air conditioner system.
In the embodiment of the present invention, as shown in fig. 2, the display control system for air conditioning information further includes: the system comprises a vehicle control unit 4 connected with the air conditioner controller 3 and a battery management system 5 connected with the vehicle control unit 4;
the vehicle control unit 4 obtains the electric quantity information of the battery management system 5, when the electric quantity information of the battery management system 5 is smaller than an electric quantity threshold, the vehicle control unit 4 sends a prohibition instruction to the air conditioner controller 3, when the electric quantity information of the battery management system 5 is larger than the electric quantity threshold, the vehicle control unit 4 sends an permission instruction to the air conditioner controller 3, and the air conditioner controller 3 generates the restriction state information according to the prohibition instruction.
The air conditioner controller 3 is connected with the vehicle control unit 4, the vehicle control unit 4 is connected with the battery management system 5, the vehicle control unit 4 is used for acquiring the electric quantity information stored in the battery management system 5, the air conditioner controller 3 sends request information to the vehicle control unit 4 after acquiring a regulation control instruction for the air conditioner system 2, the vehicle control unit 4 detects whether the electric quantity information stored in the battery management system 5 is larger than an electric quantity threshold value according to the request information, when the electric quantity information stored in the battery management system 5 is larger than the electric quantity threshold value, the vehicle control unit 4 feeds back an allowance instruction responding to the request information to the air conditioner controller 3, when the electric quantity information stored in the battery management system 5 is smaller than the electric quantity threshold value, the vehicle control unit 4 feeds back a prohibition instruction responding to the request information to the air conditioner controller 3, and the air conditioner controller 3 generates limitation state information after, and displayed through the main control module 1.
When the electric quantity information stored in the battery management system 5 is greater than the electric quantity threshold, it indicates that the battery management system 5 supports the operation of the air conditioning system 2, and when the electric quantity information stored in the battery management system 5 is less than the electric quantity threshold, it indicates that the battery management system 5 does not support the operation of the air conditioning system 2.
The air conditioner controller 3 is connected with the vehicle control unit 4, and the vehicle control unit 4 is connected with the battery management system 5 through a controller local area network bus. When the electric quantity information of the battery management system 5 is smaller than the electric quantity threshold value, the vehicle control unit 4 sends a prohibition instruction to the air conditioner controller 3, the air conditioner controller 3 generates the limitation state information, and at this time, the air conditioner system 2 is limited to be started due to the fact that the electric quantity of the battery management system 5 is insufficient.
In the embodiment of the present invention, as shown in fig. 1 to 4, the air conditioning system 2 includes a cooling module 21 and a heating module 22. Wherein the refrigeration module 21 includes: an evaporation temperature sensor 211, a first blower fan 212, a first ambient temperature sensor 213, a pressure sensor 214 provided on a pipe, a compressor controller 215, and a compressor 216 connected to the compressor controller 215.
The air conditioner controller 3 is connected with each device in the refrigeration module 21 and is used for acquiring and controlling the state information of each device; when the air conditioner controller 3 detects that any one of the devices in the refrigeration module 21 is faulty in a state where the air conditioner controller 3 acquires the refrigeration adjustment control instruction and the permission instruction, refrigeration fault state information is generated.
The air conditioning system 2 includes a cooling module 21 and a heating module 22, wherein the cooling module 21 includes an evaporation temperature sensor 211, a first blower 212, a first ambient temperature sensor 213, a pressure sensor 214, a compressor controller 215, and a compressor 216.
The evaporation temperature sensor 211 is configured to detect an evaporation temperature in the air conditioning system 2, the first ambient temperature sensor 213 is configured to obtain an ambient temperature in the air conditioning system 2, the first blower 212 is configured to control air circulation in the air conditioning system 2, the pressure sensor 214 is configured to monitor a pressure state on a pipeline of the air conditioning system 2, and the compressor controller 215 is configured to control the compressor 216 to perform cooling. The air conditioner controller 3 is connected to each device in the refrigeration module 21, and is configured to monitor and control the devices in the refrigeration module 21.
After the air conditioner controller 3 acquires a refrigeration regulation control instruction input by a user, the air conditioner controller 3 sends request information to the vehicle control unit 4, the vehicle control unit 4 acquires current electric quantity information of the battery management system 5 after acquiring the request information sent by the air conditioner controller 3, when the electric quantity information of the battery management system 5 is greater than an electric quantity threshold value, the vehicle control unit 4 feeds back an allowance instruction responding to the request information to the air conditioner controller 3, after the air conditioner controller 3 acquires the allowance instruction, the electric quantity information of the battery management system 5 is determined to be greater than the electric quantity threshold value, the operation of the air conditioner system 2 is supported, and at the moment, the vehicle control unit 4 allows the air conditioner system 2 to be started.
The air conditioner controller 3 is connected with each device in the refrigeration module 21, and when the air conditioner controller 3 acquires a refrigeration regulation control instruction input by a user and determines that the electric quantity information of the battery management system 5 is greater than an electric quantity threshold value and detects that any device in the refrigeration module 21 breaks down, the air conditioner controller 3 generates refrigeration fault state information and sends the refrigeration fault state information to the main control module 1 for display.
As shown in fig. 3, the air conditioning system 2 further includes: a temperature comparator 23, a first input end of the temperature comparator 23 is connected with the evaporation temperature sensor 211, a second input end of the temperature comparator 23 is connected with the first ambient temperature sensor 213, and an output end of the temperature comparator 23 is connected with the air conditioner controller 3;
in a state where the air conditioner controller 3 acquires the cooling adjustment control command and the permission command, the air conditioner controller 3 generates cooling limitation state information when detecting that the temperature information of the evaporation temperature sensor 211 and/or the first ambient temperature sensor 213 is not within the corresponding preset temperature range.
A temperature comparator 23 connected to the evaporating temperature sensor 211 and the first ambient temperature sensor 213 is provided in the air conditioning system 2, wherein preset evaporating temperature range information and preset ambient temperature range information are stored in the temperature comparator 23. The temperature comparator 23 includes two input ends, and the first input end is connected with the output end of the evaporation temperature sensor 211, acquires the evaporation temperature information collected by the evaporation temperature sensor 211, compares the acquired evaporation temperature information with a preset evaporation temperature range, and obtains a comparison result. The second input end is connected to the output end of the first ambient temperature sensor 213, obtains the ambient temperature information collected by the first ambient temperature sensor 213, and compares the obtained ambient temperature information with the preset ambient temperature range to obtain a comparison result.
As shown in fig. 2 and 3, an output terminal of the temperature comparator 23 is connected to the air conditioner controller 3, and the temperature comparator 23 transmits the obtained comparison result to the air conditioner controller 3. In a state where the air conditioner controller 3 obtains the refrigeration regulation control instruction input by the user and determines that the electric quantity information of the battery management system 5 is greater than the electric quantity threshold, the obtained comparison result transmitted by the temperature comparator 23 is: when the evaporation temperature detected by the evaporation temperature sensor 211 is not within the preset evaporation temperature range and/or the ambient temperature detected by the first ambient temperature sensor 213 is not within the preset ambient temperature range, the air conditioner controller 3 generates the refrigeration restriction state information and displays the refrigeration restriction state information through the main control module 1.
In the embodiment of the present invention, as shown in fig. 2 and 3, the air conditioning system 2 further includes: the input end of the pressure comparator 24 is connected with the pressure sensor 214, and the output end of the pressure comparator 24 is connected with the air conditioner controller 3; in a state where the air conditioner controller 3 acquires the cooling adjustment control command and the permission command, when the air conditioner controller 3 detects that the pressure information of the pressure sensor 214 is not within the corresponding preset pressure range, cooling limitation state information is generated.
A pressure comparator 24 is arranged in the air conditioning system 2, a preset pressure range is stored in the pressure comparator 24, an input end of the pressure comparator 24 is connected with the pressure sensor 214 and is used for acquiring a pressure value corresponding to the pipeline acquired by the pressure sensor 214, and the acquired pressure value is compared with the preset range to obtain a comparison result. The output end of the pressure comparator 24 is connected with the air conditioner controller 3, the pressure comparator 24 sends the obtained comparison result to the air conditioner controller 3, and the air conditioner controller 3 receives the refrigeration regulation control instruction input by the user and determines that the electric quantity information of the battery management system 5 is greater than the electric quantity threshold value, and the obtained comparison result transmitted by the pressure comparator 24 is: when the pressure value of the pipeline detected by the pressure sensor 214 is not within the preset pressure range, the air conditioner controller 3 generates the refrigeration restriction state information and displays the refrigeration restriction state information through the main control module 1. When the air conditioner controller 3 obtains the permission instruction, it is determined that the electric quantity information of the battery management system 5 is greater than the electric quantity threshold value.
In the embodiment of the present invention, the compressor controller 215 and the air conditioner controller 3 are connected by a controller area network bus, and the compressor controller 215 and the compressor 216 are connected by a wire harness; under the condition that the air conditioner controller 3 acquires the refrigeration regulation control instruction and the permission instruction, the air conditioner controller 3 detects that the devices in the refrigeration module 21 normally operate, the information of the pressure sensor 214, the evaporation temperature sensor 211 and the first ambient temperature sensor 213 are all in the preset range, and the air conditioner controller 3 controls the compressor 216 to work through the compressor controller 215 and generates the refrigeration mode state information.
The air conditioner controller 3 is connected with the compressor controller 215 through a controller local area network bus, the compressor controller 215 is connected with the compressor 216 through a wiring harness, the compressor controller 215 receives an instruction sent by the air conditioner controller 3, and the compressor 216 is controlled to operate according to the instruction sent by the air conditioner controller 3, so that the compressor 216 performs refrigeration.
In a state where the air conditioner controller 3 receives a cooling adjustment control command input by a user and determines that the charge information of the battery management system 5 is greater than the charge threshold, the air conditioning controller 3 detects that none of the evaporation temperature sensor 211, the first blower fan 212, the first ambient temperature sensor 213, the pressure sensor 214, the compressor controller 215 and the compressor 216 in the refrigeration module 21 are malfunctioning, and the pressure value detected by the pressure sensor 214 is within the preset pressure range, the evaporating temperature detected by the evaporating temperature sensor 211 is within the preset evaporating temperature range, and the ambient temperature detected by the first ambient temperature sensor 213 is within the preset ambient temperature range, the air conditioner controller 3 controls the compressor controller 215 to start, controls the compressor 216 to operate after the compressor controller 215 starts, the compressor 216 is caused to perform cooling while the air conditioning controller 3 generates cooling mode state information.
In the embodiment of the present invention, as shown in fig. 2 and 4, the heating module 22 includes: a second blower 221, a PTC controller 222, and a PTC (Positive Temperature Coefficient thermistor) heater 223. The air conditioner controller 3 is connected with each device in the heating module 22, and is used for acquiring and controlling the state information of each device; when the air conditioner controller 3 detects that any one of the devices in the heating module 22 has failed in a state where the air conditioner controller 3 acquires the heating adjustment control command and the permission command, heating failure state information is generated.
The air conditioning system 2 includes a heating module 22, the heating module 22 includes a second blower 221, a PTC controller 222 and a PTC heater 223, wherein the second blower 221 is used for controlling air circulation in the heating module 22, and the PTC controller 222 receives an instruction from the air conditioning controller 3 through a network to control the PTC heater 223.
The air conditioner controller 3 is connected to the second blower 221 and the PTC controller 222 in the heating module 22, and acquires and controls status information of the second blower 221 and the PTC controller 222. Wherein the air conditioner controller 3 and the PTC controller 222 are connected through a controller area network bus.
When the air conditioner controller 3 detects that any device in the heating module 22 has a fault in a state where the air conditioner controller 3 receives a heating adjustment control instruction input by a user and determines that the electric quantity information of the battery management system 5 is greater than an electric quantity threshold, the air conditioner controller 3 generates heating fault state information.
Wherein the heating module 22 further comprises a second ambient temperature sensor 224 connected to the air conditioner controller 3; in a state where the air conditioner controller 3 acquires the heating adjustment control command and the permission command, when the air conditioner controller 3 detects that the temperature information of the second ambient temperature sensor 224 is greater than the preset temperature threshold, heating restriction state information is generated.
A second ambient temperature sensor 224 is disposed in the air conditioning system 2, wherein the second ambient temperature sensor 224 collects current ambient temperature information of the heating module 22, and compares the ambient temperature information with a preset temperature threshold to obtain a comparison result.
When the air conditioner controller 3 detects that the environmental temperature information in the heating module 22 is greater than the preset temperature threshold value in a state that the air conditioner controller 3 receives a heating adjustment control instruction input by a user and determines that the electric quantity information of the battery management system 5 is greater than the electric quantity threshold value, the air conditioner controller 3 generates heating limitation state information and displays the heating limitation state information through the main control module 1.
In the embodiment of the present invention, the PTC controller 222 is connected to the air conditioner controller 3 through a controller area network bus; in the state where the air conditioner controller 3 obtains the heating adjustment control command and the permission command, when the air conditioner controller 3 detects that all the devices in the heating module 22 are normally operated and the temperature information of the second ambient temperature sensor 224 is less than the preset temperature threshold, the air conditioner controller 3 controls the PTC controller 222 and the PTC heater 223 to operate and generate heating mode state information.
When the air conditioner controller 3 receives a heating adjustment control instruction input by a user and determines that the electric quantity information of the battery management system 5 is greater than the electric quantity threshold value, the air conditioner controller 3 detects that the second blower 221, the PTC controller 222 and the PTC heater 223 in the heating module 22 are all out of order, and the current environmental temperature information is less than the preset temperature threshold value, at this time, the air conditioner controller 3 generates heating mode state information and sends the heating mode state information to the main control module 1 for display, and meanwhile, the air conditioner controller 3 controls the PTC controller 222 and the PTC heater 223 so that the PTC heater 223 generates heat and further generates heat.
An embodiment of the present invention further provides a display control method for air conditioner information, which is applied to an air conditioner controller, and as shown in fig. 5, the method includes:
step 501, receiving an adjustment control instruction for the air conditioning system, which is sent by the main control module and generated according to the operation of the user, and generating working mode state information of the air conditioning system according to the adjustment control instruction and the current working environment of the air conditioning system.
The air conditioner controller is connected with the air conditioning system, the air conditioner controller needs to receive an adjusting control instruction which is sent by the main control module and input by a user, after the adjusting control instruction is obtained, the current working environment of the air conditioning system is obtained according to the connection with the air conditioning system, and working mode state information is generated according to the adjusting control instruction and the current working environment of the air conditioning system. After generating the operation mode status information, step 502 is executed, wherein the operation mode status information includes: limitation status information, fault status information, cooling mode status information, heating mode status information, and the like.
And 502, sending the working mode state information to a main control module for displaying.
After the working mode state information is generated, the air conditioner controller sends the working mode state information to the main control module, and the main control module displays the working mode state information after receiving the working mode state information. The main control module forms a display interface, working mode state information is displayed through the display interface, a user can conveniently and directly know the current state of the air conditioning system, meanwhile, when the air conditioning system has faults, the air conditioning controller directly reports the fault pieces, maintenance of the air conditioning system is facilitated, and use experience of the user is guaranteed.
In an embodiment of the present invention, the method further includes:
after receiving the adjusting control instruction, receiving an allowing instruction sent by the vehicle control unit when the electric quantity information of the battery management system is larger than an electric quantity threshold value, or a forbidding instruction sent by the vehicle control unit when the electric quantity information of the battery management system is smaller than the electric quantity threshold value;
and when a prohibition instruction sent by the vehicle control unit is acquired, the air conditioner controller generates the restriction state information.
The method comprises the steps that after an air conditioner controller obtains an adjusting control instruction input by a user, request information is sent to a vehicle control unit, the vehicle control unit obtains electric quantity information stored in a battery management system connected with the vehicle control unit after obtaining the request information, when the electric quantity information stored in the battery management system is larger than an electric quantity threshold value, the vehicle control unit feeds back an allowing instruction responding to the request information to the air conditioner controller, when the electric quantity information stored in the battery management system is smaller than the electric quantity threshold value, the vehicle control unit feeds back a forbidding instruction responding to the request information to the air conditioner controller, and the air conditioner controller generates limiting state information after receiving the forbidding instruction and displays the limiting state information through a main control module.
In the embodiment of the present invention, the step of receiving an adjustment control instruction for the air conditioning system, which is sent by the main control module and generated according to an operation of a user, and generating the operating mode state information of the air conditioning system according to the adjustment control instruction and the current operating environment of the air conditioning system includes:
receiving an adjusting control instruction, and judging the type of the adjusting control instruction; when the adjusting control instruction is a refrigerating adjusting control instruction, generating refrigerating working mode state information according to the refrigerating adjusting control instruction and the current working environment of the air conditioning system; and when the adjusting control instruction is a heating adjusting control instruction, generating heating working mode state information according to the heating adjusting control instruction and the current working environment of the air conditioning system.
After receiving the adjusting control instruction, the air conditioner controller judges whether the type of the adjusting control instruction is a refrigerating adjusting control instruction or a heating adjusting control instruction, and when the adjusting control instruction is the refrigerating adjusting control instruction, the air conditioner controller generates refrigerating working mode state information; and when the adjusting control instruction is a heating adjusting control instruction, the air conditioner controller generates heating working mode state information. Wherein the cooling operation mode state information includes: cooling limitation state information, cooling fault state information, and cooling mode state information.
The step of generating the state information of the refrigeration working mode according to the refrigeration regulation control instruction and the current working environment of the air conditioning system comprises the following steps: when an allowance instruction is received and a device in a refrigeration module of the air conditioning system is detected to be in fault, generating refrigeration fault state information; when an allowance instruction is received and the temperature and/or the pressure in a refrigeration module of the air conditioning system are detected not to meet a preset condition, generating refrigeration limiting state information; and generating the state information of the refrigeration mode when the permission instruction is received and normal operation of the devices in the refrigeration module of the air conditioning system and the temperature and the pressure meet the preset conditions are detected.
Specifically, the air conditioner controller sends request information to the vehicle control unit after acquiring a refrigeration regulation control instruction input by a user, the vehicle control unit acquires electric quantity information stored in the battery management system, and the vehicle control unit feeds back an allowance instruction responding to the request information to the air conditioner controller when the electric quantity information stored in the battery management system is larger than an electric quantity threshold. After the air conditioner controller obtains the permission instruction, detecting the state of the device in the refrigeration module, and detecting the evaporation temperature, the ambient temperature and the pressure state of the refrigeration module at the same time, wherein when the device in the refrigeration module breaks down, the air conditioner controller generates refrigeration fault state information; when the evaporation temperature, the ambient temperature or the pressure state of the refrigeration module does not meet the preset conditions, generating refrigeration limit state information; and generating the state information of the refrigeration mode when the devices in the refrigeration module normally operate and the evaporation temperature, the ambient temperature and the pressure state meet the preset conditions. When the evaporation temperature, the ambient temperature and the pressure state meet the preset conditions, that is, the evaporation temperature, the ambient temperature and the pressure information are all in the corresponding preset ranges.
The step of generating heating working mode state information according to the heating regulation control instruction and the current working environment of the air conditioning system comprises the following steps: when an allowance instruction is received and a fault of a device in a heating module of the air conditioning system is detected, heating fault state information is generated; when an allowing instruction is received and the temperature in a heating module of the air conditioning system is detected to be greater than a preset temperature threshold value, heating limiting state information is generated; and when the permission instruction is received and normal operation of the devices in the heating module of the air conditioning system is detected, and the temperature is smaller than a preset temperature threshold value, generating heating mode state information.
Specifically, after the air conditioner controller obtains the heating adjustment control instruction, the air conditioner controller sends request information to the vehicle control unit, the vehicle control unit obtains electric quantity information stored in the battery management system, and when the electric quantity information stored in the battery management system is larger than an electric quantity threshold value, the vehicle control unit feeds back an allowing instruction responding to the request information to the air conditioner controller. After the air conditioner controller obtains the permission instruction, detecting the state of the device in the heating module, detecting the environment temperature of the heating module, and generating heating fault state information by the air conditioner controller when the device in the heating module breaks down; when the environmental temperature of the heating module is greater than a preset temperature threshold, generating heating limiting state information; and generating heating mode state information when the devices in the heating module normally operate and the ambient temperature meets the preset conditions.
The refrigeration process in the display control method of the air conditioner information in the embodiment of the invention can be seen in fig. 6:
step 601, the air conditioner controller receives a refrigeration regulation control instruction.
And step 602, the air conditioner controller sends request information to the vehicle control unit, receives reply information fed back by the vehicle control unit, and judges whether the vehicle control unit allows the air conditioner system to operate according to the reply information. Step 603 is performed when the air conditioning system is allowed to operate, otherwise step 611 is performed.
The vehicle control unit detects the electric quantity information of the battery management system after receiving the request information, feeds back reply information which allows the air conditioning system to operate to the air conditioning controller when the electric quantity information of the battery management system is larger than an electric quantity threshold value, and feeds back reply information which does not allow the air conditioning system to operate to the air conditioning controller when the electric quantity information of the battery management system is smaller than the electric quantity threshold value.
Step 603, detecting whether the evaporation temperature sensor has a fault, executing step 604 when the evaporation temperature sensor has no fault, otherwise executing step 612.
Step 604, detecting whether the evaporation temperature is within a preset evaporation temperature range, if so, executing step 605, otherwise, executing step 611.
Step 605, detecting whether the first blower is normal, if the first blower is normal, executing step 606, otherwise, executing step 612.
Step 606, detecting whether the ambient temperature is within a preset ambient temperature range, if so, executing step 607, otherwise, executing step 611.
Step 607, detecting whether the pressure sensor has a fault, if not, executing step 608, otherwise, executing step 612.
Step 608, determining whether the pressure value detected by the pressure sensor is within a preset pressure range, if yes, step 609, otherwise, step 611 is executed.
Step 609, detecting whether the compressor controller and the compressor are in a normal state, if so, executing step 610, otherwise, executing step 612.
And step 610, controlling the compressor to run by the compressor controller to refrigerate, and displaying the state information of the refrigeration mode.
In step 611, the air conditioner controller generates cooling limitation status information.
Step 612, the air conditioner controller generates cooling fault status information.
When the evaporation temperature sensor has a fault, the air conditioner controller reports the fault information of the evaporation temperature sensor and generates refrigeration fault state information; when the first air blower is in a fault state, the air conditioner controller reports fault information of the first air blower and generates refrigeration fault state information; when the pressure sensor is in a fault state, the air conditioner controller reports fault information of the pressure sensor and generates refrigeration fault state information; when the compressor controller or the compressor has a fault, the air conditioner controller reports the fault information of the compressor controller or the compressor and generates refrigeration fault state information.
The heating process in the display control method of the air conditioner information in the embodiment of the invention can be seen in fig. 7:
step 701, the air conditioner controller receives a heating regulation control instruction.
And step 702, the air conditioner controller sends request information to the vehicle control unit, receives reply information fed back by the vehicle control unit, and judges whether the vehicle control unit allows the air conditioner system to operate according to the reply information. Step 703 is executed when the air conditioning system is allowed to operate, otherwise step 707 is executed.
The vehicle control unit detects the electric quantity information of the battery management system after receiving the request information, feeds back reply information which allows the air conditioning system to operate to the air conditioning controller when the electric quantity information of the battery management system is larger than an electric quantity threshold value, and feeds back reply information which does not allow the air conditioning system to operate to the air conditioning controller when the electric quantity information of the battery management system is smaller than the electric quantity threshold value.
And 703, detecting whether the second blower is normal, executing 704 when the second blower is normal, and otherwise executing 708.
Step 704, detecting whether the ambient temperature is less than a preset temperature threshold, executing step 705 when the ambient temperature is less than the preset temperature threshold, otherwise executing step 707.
Step 705, detecting whether the PTC controller and the PTC heater are normal, executing step 706 when the PTC controller and the PTC heater are in normal state, otherwise executing step 708.
And step 706, the PTC heater works to heat, and heating mode state information is displayed through the main control module.
In step 707, the air conditioner controller generates heating limitation state information.
In step 708, the air conditioning controller generates heating fault status information.
When the second air blower fails, the air conditioner controller reports the failure information of the second air blower and generates heating failure state information; when the PTC controller and the PTC heater have faults, the air conditioner controller reports the PTC fault information and generates heating fault state information.
According to the air conditioner information display control method provided by the embodiment of the invention, the fault state, the limiting state and the working state of the air conditioner system are divided, and the states are displayed through the main control module, so that a user can intuitively know the current state of the air conditioner system, the maintenance and control of the air conditioner system by the user are facilitated, and the use experience of the user is ensured.
The embodiment of the invention also provides an electric automobile which comprises the air conditioner information display control system. The display control system of the air conditioning information is applied to the electric automobile, according to the adjustment control instruction and the working environment of the air conditioning system connected with the air conditioning controller, the working mode state information of the air conditioning system is generated, the generated working mode state information is sent to the main control module to be displayed, the intuitive feedback of the working mode state information of the air conditioning is realized to a user, the user can conveniently and directly know the current state of the air conditioning system, meanwhile, when the air conditioning system has faults, fault pieces are directly reported by the air conditioning controller, the maintenance of the air conditioning system is facilitated, and the use experience of a riding user is guaranteed.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims (10)

1. A display control system of air conditioner information is characterized by comprising:
a main control module (1);
an air conditioning system (2); and
the air conditioner controller (3) is connected with the air conditioner system (2) and the main control module (1);
the air conditioner controller (3) receives an adjusting control instruction of the air conditioner system (2) which is sent by the main control module (1) and generated according to the operation of a user, obtains working mode state information of the air conditioner system (2) according to the adjusting control instruction and the current working environment of the air conditioner system (2), and sends the working mode state information to the main control module (1) for displaying;
the display control system of the air conditioner information further includes:
the system comprises a vehicle control unit (4) connected with the air conditioner controller (3) and a battery management system (5) connected with the vehicle control unit (4);
the vehicle control unit (4) acquires electric quantity information of the battery management system (5), and when the electric quantity information of the battery management system (5) is smaller than an electric quantity threshold value, the vehicle control unit (4) sends a prohibition instruction to the air conditioner controller (3);
the air conditioner controller generates limited state information after receiving the prohibition instruction and displays the limited state information through the main control module;
the air conditioning system (2) comprises a refrigerating module (21) and a heating module (22);
the refrigeration module (21) comprises: an evaporation temperature sensor (211) and a first ambient temperature sensor (213);
the air conditioning system (2) further comprises: a temperature comparator (23), wherein a first input end of the temperature comparator (23) is connected with the evaporation temperature sensor (211), a second input end of the temperature comparator (23) is connected with the first environment temperature sensor (213), and an output end of the temperature comparator (23) is connected with the air conditioner controller (3);
when the air conditioner controller (3) detects that the temperature information of the evaporation temperature sensor (211) and/or the first environment temperature sensor (213) is not in the corresponding preset temperature range in the state that the air conditioner controller (3) acquires a refrigeration regulation control instruction and an allowance instruction, generating refrigeration limitation state information;
the air conditioning system (2) further comprises: the input end of the pressure comparator (24) is connected with the pressure sensor (214), and the output end of the pressure comparator (24) is connected with the air conditioner controller (3);
when the air conditioner controller (3) acquires a refrigeration regulation control instruction and an allowance instruction, and the air conditioner controller (3) detects that the pressure information of the pressure sensor (214) is not in a corresponding preset pressure range, generating refrigeration limitation state information;
the evaporation temperature sensor is used for detecting the evaporation temperature in the air conditioning system;
and when the electric quantity information of the battery management system is larger than an electric quantity threshold value, the vehicle control unit sends the permission instruction to the air conditioner controller.
2. The air conditioning information display control system according to claim 1, further comprising:
and when the electric quantity information of the battery management system (5) is larger than an electric quantity threshold value, the vehicle control unit (4) sends an allowance instruction to the air conditioner controller (3).
3. The display control system of air conditioning information according to claim 1, wherein the cooling module (21) further includes: the system comprises a first blower (212), a pressure sensor (214) arranged on a pipeline, a compressor controller (215) and a compressor (216) connected with the compressor controller (215).
4. The air conditioning information display control system according to claim 3, wherein the air conditioning controller (3) is connected to each device in the refrigeration module (21) and is configured to acquire and control status information of each device;
and under the condition that the air conditioner controller (3) acquires a refrigeration regulation control instruction and an allowance instruction, when the air conditioner controller (3) detects that any device in the refrigeration module (21) breaks down, generating refrigeration fault state information.
5. The display control system of air conditioning information according to claim 4, wherein the compressor controller (215) and the air conditioning controller (3) are connected by a controller area network bus, and the compressor controller (215) and the compressor (216) are connected by a wire harness;
under the state that air conditioner controller (3) obtained refrigeration regulation control instruction and allowed instruction, air conditioner controller (3) detected the device normal operating in refrigeration module (21), pressure sensor (214), evaporating temperature sensor (211), first ambient temperature sensor (213) all are in presetting the within range, air conditioner controller (3) passes through compressor controller (215) control compressor (216) work and generate the mode state information that refrigerates.
6. The display control system of air conditioning information according to claim 1, wherein the heating module (22) includes: a second blower (221), a PTC controller (222), and a positive temperature coefficient thermistor PTC heater (223).
7. The display control system of the air conditioning information according to claim 6, wherein the air conditioning controller (3) is connected with each device in the heating module (22) and is used for acquiring and controlling the state information of each device;
and in the state that the air conditioner controller (3) acquires a heating regulation control instruction and an allowance instruction, when the air conditioner controller (3) detects that any device in the heating module (22) has a fault, heating fault state information is generated.
8. The display control system of air conditioning information according to claim 7, wherein the heating module (22) further comprises a second ambient temperature sensor (224) connected to the air conditioning controller (3);
under the state that air conditioner controller (3) acquireed heating regulation control command and allowed the instruction, air conditioner controller (3) detected when the temperature information of second ambient temperature sensor (223) is greater than preset temperature threshold, the restriction status information of production of heat is generated.
9. The display control system of air conditioning information according to claim 8, wherein the PTC controller (222) is connected to the air conditioning controller (3) through a controller area network bus;
under the state that air conditioner controller (3) obtained heating regulation control instruction and allowed instruction, air conditioner controller (3) detected all normal operating of device in heating module (22), when the temperature information of second ambient temperature sensor (223) is less than preset temperature threshold, air conditioner controller (3) control PTC controller (222) with PTC heater (223) work and generate heating mode state information.
10. An electric vehicle characterized by comprising the air conditioning information display control system according to any one of claims 1 to 9.
CN201710640279.3A 2017-07-31 2017-07-31 Air conditioner information display control system and electric automobile Active CN107458175B (en)

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