CN108032707A - Electric control method under a kind of pure electric vehicle air conditioning system - Google Patents
Electric control method under a kind of pure electric vehicle air conditioning system Download PDFInfo
- Publication number
- CN108032707A CN108032707A CN201711471599.7A CN201711471599A CN108032707A CN 108032707 A CN108032707 A CN 108032707A CN 201711471599 A CN201711471599 A CN 201711471599A CN 108032707 A CN108032707 A CN 108032707A
- Authority
- CN
- China
- Prior art keywords
- air
- conditioning system
- compressor
- car controller
- entire car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
Abstract
The present invention provides electric control method under a kind of pure electric vehicle air conditioning system, including：A/C air-conditioning switch is disconnected, while entire car controller starts timing；Entire car controller disconnects compressor enable signal；Entire car controller timing condensation fan enable signal to before being disconnected during 30s；After A/C air-conditioning switch is again turned on, entire car controller judges whether timing time is less than 30s, if judging result is less than 30s, air-conditioning system is in compressor operating and preceding condensation fan non-operational state.The present invention solves compressor and the compressor abnormal sound situation caused by compressor has internal height pressure difference when opening immediately again is closed under vehicle high pressure conditions, and it can quickly reduce the high-low pressure air-conditioning duct pressure difference of compressor, so as to ensure the safety of pure electric vehicle air conditioning system, and ensure the stability of air-conditioning system operation.
Description
Technical field
The invention belongs to electric control side under Control of Electric Vehicles technical field, more particularly to a kind of pure electric vehicle air conditioning system
Method.
Background technology
Current almost all of automobile is equipped with air conditioning for automobiles, and existing light electric vehicle mostly uses motor compressor control
System, but due to the imperfection of the prior art, cause motor compressor machine to be applied to produce the appearance of abnormal sound situation, i.e. vehicle on vehicle
When air-conditioning system is closed and opened immediately in a high voltage state, because of compressor inside there are height pressure difference so as to cause compressor different
The situation of sound.
The content of the invention
In view of this, the present invention provides electric control method under a kind of pure electric vehicle air conditioning system, to solve current pure electric vehicle
There is the technical problem that abnormal sound occurs when motor compressor is closed in a high voltage state and is opened immediately in car.
In order to which some aspects of the embodiment to disclosure have a basic understanding, simple summary shown below is.Should
Summarized section is not extensive overview, nor to determine key/critical component or describe the protection domain of these embodiments.
Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
The present invention adopts the following technical scheme that：
In some optional embodiments, there is provided electric control method under a kind of pure electric vehicle air conditioning system, including：
A/C air-conditioning switch is disconnected, entire car controller starts to count while Air-Conditioning Control Panel closes A/C air-conditioning request signals
When；The entire car controller disconnects compressor enable signal；When the entire car controller timing is to 30s, condensation fan before disconnection
Enable signal；After A/C air-conditioning switch is again turned on, the entire car controller judges whether timing time is less than 30s, if judging
As a result it is that then air-conditioning system is in compressor operating and preceding condensation fan non-operational state less than 30s.
In some optional embodiments, electric control method under a kind of pure electric vehicle air conditioning system, further includes：If
The entire car controller judges timing time, and whether the judging result less than 30s is more than or equal to 30s, then the air-conditioning system weight
Newly enter normal operating conditions.
In some optional embodiments, electric control method under a kind of pure electric vehicle air conditioning system, its feature exists
In further including：The entire car controller judges that vehicle high pressure whether there is, if vehicle high pressure exists, retains air-conditioning high pressure；
If vehicle high pressure is not present, the compressor and preceding condensation fan are stopped.
In some optional embodiments, electric control method under a kind of pure electric vehicle air conditioning system, further includes：When
Before the entire car controller disconnects during condensation fan enable signal, the preceding condensation fan is stopped.
In some optional embodiments, electric control method under a kind of pure electric vehicle air conditioning system, further includes：When
When the entire car controller disconnects compressor enable signal, the compressor is stopped.
Beneficial effect caused by the present invention：The present invention solves compressor and closes under vehicle high pressure conditions and open immediately
The compressor abnormal sound situation caused by compressor has internal height pressure difference when opening, and can quickly reduce the height of compressor
Low pressure air-conditioning duct pressure difference, so as to ensure the safety of pure electric vehicle air conditioning system, and ensures the stability of air-conditioning system operation.
For above-mentioned and relevant purpose, one or more embodiments include will be explained in below and in claim
In the feature that particularly points out.Following explanation and attached drawing describe some illustrative aspects in detail, and its instruction is only
Some modes in the utilizable various modes of principle of each embodiment.Other benefits and novel features will be under
The detailed description in face is considered in conjunction with the accompanying and becomes obvious, the disclosed embodiments be will include all these aspects and they
Be equal.
Brief description of the drawings
Fig. 1 is the flow diagram of electric control method under a kind of pure electric vehicle air conditioning system of the present invention.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electric, process and other change.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and claims is all obtainable equivalent
Thing.
As shown in Figure 1, in some illustrative embodiments, there is provided electric control side under a kind of pure electric vehicle air conditioning system
Method, including：
101：Air-conditioning system normal operation, compressor and preceding condensation fan are in the state of normal work.
102：A/C air-conditioning switch is disconnected, i.e. Air-Conditioning Control Panel closes A/C air-conditioning request signals, at the same time, vehicle control
Device processed starts timing.
103：Entire car controller disconnects compressor enable signal.
104：Compressor is stopped, and condensation fan is also in working status at this time.
105：After 30s, i.e., when entire car controller timing is to 30s, condensation fan enable signal before disconnection.
106：Preceding condensation fan is stopped.
107：Entire car controller judges that vehicle high pressure whether there is.Main relay, which is in, in vehicle high pressure, that is, high-voltaghe compartment is attracted
State, preliminary filling relay are in closure state.
108：If vehicle high pressure exists, retaining air-conditioning high pressure, i.e. the high-voltage relay of compressor still keeps attracting state,
Only entire car controller issues the enable signal disconnection of compressor.
109：If vehicle high pressure is not present, flow is directly entered final state, and compressor and preceding condensation fan stop work
Make.
110：It is again turned on A/C air-conditioning switch.
111：Entire car controller judges whether timing time is less than 30s.
If judging result is less than 30s, air-conditioning system is in compressor operating and preceding condensation fan non-operational state,
State i.e. in step 104 at air-conditioning system, until timing to 30s.
If judging result is more than or equal to 30s, air-conditioning system reenters normal operating conditions, i.e. step 101.
It should also be appreciated by one skilled in the art that the various illustrative logical boxs described with reference to the embodiments herein, mould
Block, circuit and algorithm steps can be implemented as electronic hardware, computer software or its combination.In order to clearly demonstrate hardware and
Interchangeability between software, above carries out various illustrative component, frame, module, circuit and steps around its function
It is generally described.Hardware is implemented as this function and is also implemented as software, depending on specific application and to whole
The design constraint that system is applied.Those skilled in the art can be directed to each application-specific, be realized in a manner of flexible
Described function, it is still, this to realize that decision-making should not be construed as the protection domain away from the disclosure.
Claims (5)
- A kind of 1. electric control method under pure electric vehicle air conditioning system, it is characterised in that including：A/C air-conditioning switch is disconnected, entire car controller starts timing while Air-Conditioning Control Panel closes A/C air-conditioning request signals；The entire car controller disconnects compressor enable signal；When the entire car controller timing is to 30s, condensation fan enable signal before disconnection；After A/C air-conditioning switch is again turned on, the entire car controller judges whether timing time is less than 30s, if judging result For less than 30s, then air-conditioning system is in compressor operating and preceding condensation fan non-operational state.
- 2. electric control method under a kind of pure electric vehicle air conditioning system according to claim 1, it is characterised in that further include： If the entire car controller judges timing time, whether the judging result less than 30s is more than or equal to 30s, the air-conditioning system Reenter normal operating conditions.
- 3. electric control method under a kind of pure electric vehicle air conditioning system according to claim 1 or 2, it is characterised in that also wrap Include：The entire car controller judges that vehicle high pressure whether there is, if vehicle high pressure exists, retains air-conditioning high pressure；If vehicle high pressure is not present, the compressor and preceding condensation fan are stopped.
- 4. electric control method under a kind of pure electric vehicle air conditioning system according to claim 3, it is characterised in that further include： When condensation fan enable signal before entire car controller disconnection, the preceding condensation fan is stopped.
- 5. electric control method under a kind of pure electric vehicle air conditioning system according to claim 4, it is characterised in that further include： When the entire car controller disconnects compressor enable signal, the compressor is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471599.7A CN108032707B (en) | 2017-12-29 | 2017-12-29 | Power-off control method for air conditioning system of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471599.7A CN108032707B (en) | 2017-12-29 | 2017-12-29 | Power-off control method for air conditioning system of pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108032707A true CN108032707A (en) | 2018-05-15 |
| CN108032707B CN108032707B (en) | 2021-03-02 |
Family
ID=62098698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711471599.7A Active CN108032707B (en) | 2017-12-29 | 2017-12-29 | Power-off control method for air conditioning system of pure electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN108032707B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108032707B (en) | 2021-03-02 |
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Address after: 213000 No. 18, Shaoshan Road, high tech Zone, Xinbei District, Changzhou City, Jiangsu Province Patentee after: BAIC heavy truck Co.,Ltd. Address before: No.18, Shaoshan Road, high tech Zone, Xinbei District, Changzhou City, Jiangsu Province 2133133 Patentee before: BAIC (CHANGZHOU) AUTOMOBILE Co.,Ltd. |