CN109677383A - The control method and device of a kind of electric vehicle and its air compressor - Google Patents
The control method and device of a kind of electric vehicle and its air compressor Download PDFInfo
- Publication number
- CN109677383A CN109677383A CN201710972034.0A CN201710972034A CN109677383A CN 109677383 A CN109677383 A CN 109677383A CN 201710972034 A CN201710972034 A CN 201710972034A CN 109677383 A CN109677383 A CN 109677383A
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- Prior art keywords
- air compressor
- air
- air pressure
- setting
- control
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
- B60T13/40—Compressed-air systems indirect, i.e. compressed air booster units indirect systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides the control method and device of a kind of electric vehicle and its air compressor, and control method includes the following steps: to judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air compressor start-up operation is controlled, control air compressor is shut down after running to setting time；During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting, start air compressor, when the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compressor is shut down.Technical solution provided by the invention sends deicing signal when ice detachment is desired, forces control compressor operating for a period of time.Air compressor can generate heat when working, and the gas temperature for entering compression at condensation pipe increases, and melt ice Cheng Shuihou in condenser chamber is discharged, to solve the problems, such as that condenser freezes in air compressor on electric vehicle under low temperature environment.
Description
Technical field
The invention belongs to Motor vehicle security control technology fields, and in particular to a kind of electric vehicle and its air compressor
Control method and device.
Background technique
In recent years, with the worsening of traditional energy gradually used up with environment, new energy pure electric vehicle is obtained
Quickly development.On electric vehicle, especially on kerb weight bigger pure electric vehicle commercial affairs vehicle or car, system
Dynamic system generally uses air pressure assisted.
Air compressor be it is a kind of air is compressed using mechanical energy, the equipment for forming compressed gas, and it is air pressure assisted must
Compressed air must be used, therefore, air compressor is essential equipment in electric vehicle braking system.
Since the vapor in air can condense into water under hyperbaric environment, the lubricating oil etc. inside pneumatics device may be made
At influence, so air compressor in compressed air, needs first to filter out the vapor in air using drying device.Dry dress
It is typically provided with condenser in setting, after air enters the condenser of drying device, under the condensation of condenser, in air
It after vapor condensation is formed and is discharged, to filter out the vapor in air.
During electric vehicle normally travel, air compressor is in shutdown status, only in air pressure lower than setting
Air compressor just will start when value or when vehicle braking.When electric vehicle extremely frigid zones when driving, air compressor
Water in condenser is easy to freeze, and causes pipeline blockage, and air compressor can not work normally, or even cannot be braking system
There is provided air pressure assisted, making vehicle, there are biggish security risks.
Summary of the invention
The present invention provides the control method and device of a kind of electric vehicle and its air compressor, it is therefore intended that solves low
The problem of condenser freezes in air compressor on electric vehicle under warm environment.
To achieve the above object, present invention provide the technical scheme that
Control method scheme 1: the control method of air compressor on a kind of electric vehicle includes the following steps:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air is controlled
Compressor starts work, control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting,
Start air compressor；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compression
Machine is shut down.
Technical solution provided by the invention sends deicing signal when ice detachment is desired, forces one section of compressor operating of control
Time.Air compressor can generate heat when working, and the gas temperature for entering compression at condensation pipe increases, when these high temperature
When gas enters condenser, condenser can be heated, intracavitary melt ice Cheng Shuihou is discharged, to solve electric under low temperature environment
The problem of condenser freezes in the upper air compressor of motor-car.
Control method scheme 2: on the basis of control method scheme 1, within the set time, when the air pressure for detecting gas bag
More than or equal to setting the second air pressure threshold value when, control air compressor shut down.
It, may if being further continued for inflating for gas bag when the air pressure of gas bag is greater than or equal to the second air pressure threshold value of setting
Security risk is brought since air pressure is excessive.
Control method scheme 3: on the basis of control method scheme 1, the setting time is not less than 5min.
Control device scheme 1: the control device of air compressor on a kind of electric vehicle, including processor, processor are used
In:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air is controlled
Compressor starts work, control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting,
Start air compressor；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compression
Machine is shut down.
Control device scheme 2: on the basis of control device scheme 1, the processor is connected with temperature-detecting device, temperature
Detection device is spent for being arranged at air compressor condensation pipe, detects the temperature at air compressor condensation pipe and transmission
To processor；When temperature at air setting pipeline is lower than setting value, processor, which is judged as, receives deicing signal.
Temperature-detecting device is set, it, can be certainly when air compressor condensation pipe causes temperature too low due to icing
The dynamic condensation pipe to air compressor carries out deicing.
Control device scheme 3: on the basis of control device scheme 1, the processor is connected with deicing switch, works as processing
When device receives the action signal of deicing switch, it is judged as and receives deicing signal.
Deicing is arranged to switch, when driver, which is judged as, needs deicing, air can be compressed by operation deicing switch
The condensation pipe of machine carries out deicing.
Control device scheme 4: on the basis of control device scheme 1, within the set time, when the air pressure for detecting gas bag
More than or equal to setting the second air pressure threshold value when, control air compressor shut down.
Control device scheme 5: on the basis of control device scheme 1, the setting time is not less than 5min.
Vehicle scheme 1: a kind of electric vehicle, including air compressor, air compressor include drying device, drying device
Including condenser；Further include deicing controller, deicing controller is used for:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air is controlled
Compressor starts work, control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting,
Start air compressor；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compression
Machine is shut down.
Vehicle scheme 2: on the basis of vehicle scheme 1, within the set time, when the air pressure for detecting gas bag is greater than or waits
When the second air pressure threshold value of setting, control air compressor is shut down.
Vehicle scheme 3: on the basis of vehicle scheme 1, the processor is connected with temperature-detecting device, temperature detection dress
It sets for being arranged at air compressor condensation pipe, detecting the temperature at air compressor condensation pipe and being sent to deicing control
Device processed；When temperature at air setting pipeline is lower than setting value, deicing controller, which is judged as, receives deicing signal.
Vehicle scheme 4: on the basis of vehicle scheme 1, the deicing controller is connected with deicing switch, when deicing controls
When device receives the action signal of deicing switch, it is judged as and receives deicing signal.
Vehicle scheme 5: on the basis of vehicle scheme 1, the setting time is not less than 5min.
Vehicle scheme 6: on the basis of vehicle scheme 1, the deicing controller is entire car controller.
Detailed description of the invention
Fig. 1 is that condenser deicing controls the structural principle of equipment in air compressor on electric vehicle in vehicle embodiments
Figure；
Fig. 2 is the structure principle chart of deicing signal generation apparatus and vehicle control device on electric vehicle in vehicle embodiments.
Specific embodiment
The present invention provides the control method and device of a kind of electric vehicle and its air compressor, it is therefore intended that solves low
The problem of condenser freezes in air compressor on electric vehicle under warm environment.
To achieve the above object, present invention provide the technical scheme that
On a kind of electric vehicle in air compressor condenser de-icing method, include the following steps:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air is controlled
Compressor starts work, control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting,
Start air compressor, when the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compression
Machine is shut down.
Technical scheme is described further combined with specific embodiments below.
Vehicle embodiments:
The present embodiment provides a kind of electric vehicle, which is equipped with air compressor and air compressor control dress
It sets, air is compressed in gas bag by air compressor, and the compressed gas when vehicle braking in gas bag provides gas for braking system
Press power-assisted.
Air compressor control device includes entire car controller, is connected on entire car controller for detecting gas bag air pressure
Pressure test device.During vehicle operation, in order to guarantee the reliability of braking, need to keep the air pressure of gas bag, so
Entire car controller, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting, is opened by pressure test device
Engine-driven air compressor is inflated for gas bag；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control
Air compressor is shut down, and is stopped as gas bag inflation.
It is equipped with drying device on the pipeline of air compressor, is equipped with condenser in drying device.Air is through air pressure
Pass through condenser before the compression of contracting machine, under the action of condenser, the Water vapor condensation in air at water and is discharged, to guarantee to press
The aridity of contracting air.
Since the air compressor of electric vehicle only just starts when air pressure is lower than setting value or when vehicle braking,
So the moisture in its condenser is easy to freeze.It freezes in the electronic condenser of extremely frigid zones in order to prevent and vehicle safety is made
At influence, temperature-detecting device is set at the condensation pipe of air compressor, as shown in Fig. 2, the icing at detection condenser
Signal is simultaneously sent to entire car controller.When entire car controller temperature signal according to detected by temperature-detecting device is judged as empty
The temperature of air compressor condensation pipe is lower than setting value, when needing to carry out deicing, force start air compressor, and air compressor
It starts to work.Air compressor can generate heat when working, and the gas temperature for entering compression at condensation pipe increases, when these
High-temperature gas can heat condenser when entering condenser, then intracavitary melt ice Cheng Shui water is discharged by drain valve.
Control air compressor is shut down after air compressor starts 5min.
As other embodiments, when starting air compressor is condenser deicing, in order to avoid air in gas bag
Pressure is excessive, in air compressor starting 5min, if the pressure of gas bag is greater than the second air pressure threshold value of setting, controls sky
Air compressor is shut down.
In the present embodiment, using entire car controller as reception air compressor condenser temperature signal, and sky is controlled
The controller of air compressor start and stop；As other embodiments, air compressor can be received using individual deicing controller
Condenser temperature signal, control air compressor starts or stops, to condenser deicing.
In the present embodiment, from starting air compressor to the when a length of 5min closed air compressor when deicing,
That is control air compressor work 5min；As other embodiments, the duration for controlling air compressor work can be according to reality
Demand be adjusted, can be greater than 5min, might be less that 5min, can by it is in condenser and be melted into water and be discharged i.e.
It can.
Installation practice:
The present embodiment provides a kind of control devices of air compressor on electric vehicle, with air in above-mentioned vehicle embodiments
The control device of compressor is identical, has been discussed in detail in vehicle embodiments above, has seldom explained here.
Embodiment of the method:
The present embodiment provides a kind of control methods of air compressor on electric vehicle, with air in above-mentioned vehicle embodiments
The control method of compressor is identical, has been discussed in detail in vehicle embodiments above, has seldom explained here.
Claims (10)
1. the control method of air compressor on a kind of electric vehicle, which comprises the steps of:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air compression is controlled
Machine is started to work, and control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting, starting
Air compressor；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compressor stops
Machine.
2. the control method of air compressor on a kind of electric vehicle according to claim 1, which is characterized in that setting
In time, when the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compressor is shut down.
3. the control method of air compressor on a kind of electric vehicle according to claim 1, which is characterized in that described to set
It fixes time not less than 5min.
4. the control device of air compressor on a kind of electric vehicle, which is characterized in that including processor, processor is used for:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air compression is controlled
Machine is started to work, and control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting, starting
Air compressor；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compressor stops
Machine.
5. the control device of air compressor on a kind of electric vehicle according to claim 4, which is characterized in that the place
Reason device is connected with temperature-detecting device, and temperature-detecting device detects air pressure for being arranged at air compressor condensation pipe
Temperature at contracting machine condensation pipe is simultaneously sent to processor；When temperature at air setting pipeline is lower than setting value, processor
It is judged as and receives deicing signal.
6. the control device of air compressor on a kind of electric vehicle according to claim 4, which is characterized in that the place
Reason device is connected with deicing switch, when processor receives the action signal of deicing switch, is judged as and receives deicing signal.
7. the control device of air compressor on a kind of electric vehicle according to claim 4, which is characterized in that setting
In time, when the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compressor is shut down.
8. the control device of air compressor on a kind of electric vehicle according to claim 4, which is characterized in that described to set
It fixes time not less than 5min.
9. a kind of electric vehicle, including air compressor, air compressor includes drying device, and drying device includes condenser；
It is characterized in that, further including deicing controller, deicing controller is used for:
Judge whether to receive deicing signal in vehicle operation；If receiving deicing signal, air compression is controlled
Machine is started to work, and control air compressor is shut down after running to setting time；
During vehicle operation, when the air pressure for detecting gas bag is less than or equal to the first air pressure threshold value of setting, starting
Air compressor；When the air pressure for detecting gas bag is greater than or equal to the second air pressure threshold value of setting, control air compressor stops
Machine.
10. a kind of electric vehicle according to claim 9, which is characterized in that within the set time, when detecting gas bag
When air pressure is greater than or equal to the second air pressure threshold value of setting, control air compressor is shut down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710972034.0A CN109677383A (en) | 2017-10-18 | 2017-10-18 | The control method and device of a kind of electric vehicle and its air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710972034.0A CN109677383A (en) | 2017-10-18 | 2017-10-18 | The control method and device of a kind of electric vehicle and its air compressor |
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| Publication Number | Publication Date |
|---|---|
| CN109677383A true CN109677383A (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710972034.0A Pending CN109677383A (en) | 2017-10-18 | 2017-10-18 | The control method and device of a kind of electric vehicle and its air compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179775A (en) * | 2020-09-14 | 2022-03-15 | 比亚迪股份有限公司 | Brake system condenser control device, vehicle brake system and vehicle |
| CN115056759A (en) * | 2022-06-30 | 2022-09-16 | 东风华神汽车有限公司 | Air temperature control system and braking device and vehicle thereof |
| SE2151133A1 (en) * | 2021-09-15 | 2023-03-16 | Scania Cv Ab | Method of Operating a Compressed Air System, Computer Program, Computer-Readable Medium, Control Arrangement, Compressed Air System, and Vehicle |
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| DE19627403A1 (en) * | 1996-07-06 | 1998-01-08 | Wabco Gmbh | Airbrake system compressed air equipment for vehicle |
| CN104386057A (en) * | 2014-11-25 | 2015-03-04 | 安徽安凯汽车股份有限公司 | Passenger car braking pipeline system for cold region |
| CN106103995A (en) * | 2014-05-14 | 2016-11-09 | 威伯科有限公司 | For the method running the compressed air system of vehicle |
| CN205744391U (en) * | 2016-07-12 | 2016-11-30 | 中国重汽集团济南动力有限公司 | A kind of pure electric vehicle control system of air compressor |
| CN106224220A (en) * | 2016-08-19 | 2016-12-14 | 郑州宇通客车股份有限公司 | A kind of electric compressor self adaptation halt control method and device |
-
2017
- 2017-10-18 CN CN201710972034.0A patent/CN109677383A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627403A1 (en) * | 1996-07-06 | 1998-01-08 | Wabco Gmbh | Airbrake system compressed air equipment for vehicle |
| CN106103995A (en) * | 2014-05-14 | 2016-11-09 | 威伯科有限公司 | For the method running the compressed air system of vehicle |
| CN104386057A (en) * | 2014-11-25 | 2015-03-04 | 安徽安凯汽车股份有限公司 | Passenger car braking pipeline system for cold region |
| CN205744391U (en) * | 2016-07-12 | 2016-11-30 | 中国重汽集团济南动力有限公司 | A kind of pure electric vehicle control system of air compressor |
| CN106224220A (en) * | 2016-08-19 | 2016-12-14 | 郑州宇通客车股份有限公司 | A kind of electric compressor self adaptation halt control method and device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179775A (en) * | 2020-09-14 | 2022-03-15 | 比亚迪股份有限公司 | Brake system condenser control device, vehicle brake system and vehicle |
| SE2151133A1 (en) * | 2021-09-15 | 2023-03-16 | Scania Cv Ab | Method of Operating a Compressed Air System, Computer Program, Computer-Readable Medium, Control Arrangement, Compressed Air System, and Vehicle |
| SE545395C2 (en) * | 2021-09-15 | 2023-07-25 | Scania Cv Ab | Method of Operating a Compressed Air System, Computer Program, Computer-Readable Medium, Control Arrangement, Compressed Air System, and Vehicle |
| CN115056759A (en) * | 2022-06-30 | 2022-09-16 | 东风华神汽车有限公司 | Air temperature control system and braking device and vehicle thereof |
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Application publication date: 20190426 |
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