CN107284242A - The high pressure of electric vehicle moves back method for electrically and device - Google Patents
The high pressure of electric vehicle moves back method for electrically and device Download PDFInfo
- Publication number
- CN107284242A CN107284242A CN201610200227.XA CN201610200227A CN107284242A CN 107284242 A CN107284242 A CN 107284242A CN 201610200227 A CN201610200227 A CN 201610200227A CN 107284242 A CN107284242 A CN 107284242A
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- CN
- China
- Prior art keywords
- compressor
- air conditioner
- high pressure
- motor
- electric vehicle
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
-
- 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
- B60H1/3225—Cooling devices using compression characterised by safety arrangements, e.g. compressor anti-seizure means or by signalling devices
Abstract
Method for electrically and device are moved back the invention discloses a kind of high pressure of electric vehicle.Methods described includes:Receive that the instruction electric vehicle parking that user sends moves back electricity moves back electric instruction;Electric instruction is moved back in response to described, compressor unloading instruction is sent to the compressor of air conditioner of the electric vehicle;Judge whether the compressor of air conditioner unloads completion;When judging that the compressor of air conditioner unloading is completed, the vehicle high pressure of the electric vehicle is disconnected.Pass through the technical scheme, it is to avoid due to the loss for the compressor of air conditioner that the instant cut-off of the compressor of air conditioner run at high speed is caused, so as to extend the service life of compressor of air conditioner, reduce the cost of maintenance, add the security driven.
Description
Technical field
The present invention relates to electric vehicle field, in particular it relates to which a kind of high pressure of electric vehicle moves back method for electrically
And device.
Background technology
The compressor of air conditioner of electric vehicle is by vehicle high voltage supply.At present, electric vehicle is moved back in parking
ACC (air condition compressor, compressor of air conditioner) would generally be powered off immediately when electric, due to
Compressor of air conditioner is in the state that runs at high speed, and instant cut-off can cause extra abrasion, and long period of operation can be right
Compressor of air conditioner produces enormous impact, influences the service life of compressor of air conditioner, increase user's maintenance
Cost, the security driven of reduction driver.
The content of the invention
It can reduce abrasion, electric vehicle the height of compressor of air conditioner it is an object of the invention to provide a kind of
Pressure moves back method for electrically and device.
To achieve these goals, the present invention provides a kind of high pressure of electric vehicle and moves back method for electrically.The side
Method includes:Receive that the instruction electric vehicle parking that user sends moves back electricity moves back electric instruction;In response to institute
State and move back electric instruction, compressor unloading instruction is sent to the compressor of air conditioner of the electric vehicle;Judge described
Whether compressor of air conditioner unloads completion;When judging that the compressor of air conditioner unloading is completed, the electricity is disconnected
The vehicle high pressure of motor-car.
Alternatively, it is described to judge that the step of whether compressor of air conditioner unloads completion includes appointing in following
Anticipate one or more:According to the compressor unloading status information of the compressor of air conditioner, the air-conditioning is judged
Whether compressor unloads completion;According to the duration sent after the compressor unloading is instructed, judge described
Whether compressor of air conditioner unloads completion.
Alternatively, methods described also includes:Electric instruction is moved back in response to described, to the drive of the electric vehicle
Dynamic motor sends motor unloading command;Judge whether the motor unloads completion, wherein, it is described
Wrapped when judging that compressor of air conditioner unloading is completed, the step of the vehicle high pressure for disconnecting the electric vehicle
Include:Judging the compressor of air conditioner unloading completion, and when judging that the motor unloading is completed,
Disconnect the vehicle high pressure of the electric vehicle.
Alternatively, it is described to judge the step of whether motor unloads completion including any in following
One or more:According to the motor unloaded state information of the motor, judge that the motor is
No unloading is completed;According to the duration after the transmission motor unloading command, judge that the motor is
No unloading is completed.
Alternatively, described after the step of disconnecting the vehicle high pressure of the electric vehicle, methods described
Also include:Initiate to examine the sintering of the main contactor between the compressor of air conditioner and the vehicle high pressure
Survey;Judge whether the vehicle high pressure of the electric vehicle is already off according to the sintering detection;Judging
When the vehicle high pressure of the electric vehicle is already off, the low-tension supply of the compressor of air conditioner is disconnected.
Alternatively, methods described also includes:When the vehicle high pressure for judging the electric vehicle is already off,
Disconnect the low-tension supply of the battery management system of the electric vehicle.
Alternatively, it is described that whether the vehicle high pressure of the electric vehicle is judged according to the sintering detection
The step of disconnection, includes any one in following or many persons:According to the sintering state letter of the sintering detection
Breath, judges whether the vehicle high pressure of the electric vehicle is already off;According to the initiation sintering detection
Duration afterwards, judges whether the vehicle high pressure of the electric vehicle is already off.
The present invention also provides a kind of high pressure of electric vehicle and moves back electric installation.Described device includes:Receiving module,
What electricity was moved back in the instruction electric vehicle parking for receiving user's transmission moves back electric instruction;Compressor unloading is sent out
Module is sent, for moving back electric instruction in response to described, sends and compresses to the compressor of air conditioner of the electric vehicle
Machine unloading command;Compressor judge module, for judging whether the compressor of air conditioner unloads completion;It is high
Die sinking block is broken, for when judging that the compressor of air conditioner unloading is completed, disconnecting the electric vehicle
Vehicle high pressure.
By above-mentioned technical proposal, when the parking for receiving user's transmission is moved back electricity and indicated, to air conditioner compressed
Machine sends unloading command, when it is determined that compressor of air conditioner unloading is completed, then disconnects vehicle high pressure.So,
Avoid due to the loss for the compressor of air conditioner that the instant cut-off of the compressor of air conditioner run at high speed is caused, from
And the service life of compressor of air conditioner is extended, the cost of maintenance is reduced, the peace driven is added
Quan Xing.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with
Following embodiment is used to explain the present invention together, but is not construed as limiting the invention.
In accompanying drawing:
Fig. 1 is that the high pressure for the electric vehicle that an exemplary embodiment is provided moves back the flow chart of method for electrically;
Fig. 2 be an exemplary embodiment provide judge whether compressor of air conditioner unloads the flow chart of completion;
Fig. 3 is that the high pressure for the electric vehicle that another exemplary embodiment is provided moves back the flow chart of method for electrically;
Fig. 4 be an exemplary embodiment provide judge whether motor unloads the flow chart of completion;
Fig. 5 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the flow chart of method for electrically;
Fig. 6 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the flow chart of method for electrically;
Fig. 7 is that the high pressure for the electric vehicle that an exemplary embodiment is provided moves back the block diagram of electric installation;
Fig. 8 is that the high pressure for the electric vehicle that another exemplary embodiment is provided moves back the block diagram of electric installation;
Fig. 9 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the block diagram of electric installation;And
Figure 10 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the block diagram of electric installation.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that
Embodiment described herein is merely to illustrate and explain the present invention, and is not limited to this hair
It is bright.
Fig. 1 is that the high pressure for the electric vehicle that an exemplary embodiment is provided moves back the flow chart of method for electrically.As schemed
Shown in 1, it the described method comprises the following steps.
In step s 11, receive that the instruction electric vehicle parking that user sends moves back electricity moves back electric instruction.
It is described to move back the instruction that electricity instruction is instruction electric vehicle power-off parking.For example, driver wants to transport
When electric vehicle in row stops, " STOP " button or " OFF " in driver's cabin control panel are pressed
Button, then have sent to electric vehicle and move back electric instruction.
In step s 12, electric instruction is moved back in response to described, is sent out to the compressor of air conditioner of the electric vehicle
Compressor unloading is sent to instruct.
Under normal circumstances, electric vehicle receive move back electricity instruction when, can immediately cut-out include compressor of air conditioner
The power supply of various devices inside.And in embodiment of the disclosure, receive move back electricity instruction when, first
Without power-off, but unloading command is sent to compressor of air conditioner, indicate that compressor of air conditioner is driven work(
The unloading of rate.For example, the operation power of motor compressor is decayed at a predetermined rate, that is,
The rotating speed for running compressor of air conditioner is gradually reduced.The unloading of the driving power for example can be by correlation
Set in device and run corresponding software to control.
In step s 13, judge whether the compressor of air conditioner unloads completion.
Judge the step of whether compressor of air conditioner unloads completion can include it is following in any one or it is many
Person:According to the compressor unloading status information of compressor of air conditioner, judge whether compressor of air conditioner unloads completion;
According to the duration sent after compressor unloading is instructed, judge whether compressor of air conditioner unloads completion.
In the former, compressor of air conditioner can periodically send compressor unloading while power is unloaded
Status information, the compressor unloading status information can represent the current operation conditions of compressor of air conditioner.
Compressor unloading status information can for example include the current rotating speed of compressor of air conditioner., can in the embodiment
To judge whether compressor of air conditioner unloads completion according to compressor unloading status information.In addition, compressor
Unloaded state information can also represent whether compressor of air conditioner unloads the result of determination of completion in itself.In the reality
Apply in example, compressor of air conditioner can directly transmit the judgement knot for representing whether compressor of air conditioner unloads completion
Really.
For judging whether compressor of air conditioner unloads completion, it can be powered off according under current operating conditions to sky
The extent of deterioration of compressor is adjusted to determine.It can be judged according to default power threshold or rotary speed threshold value.
For example, setting compressor rotary speed threshold value, when the current rotating speed of compressor is less than compressor rotary speed threshold value, then
It is considered that power-off will not cause loss to compressor of air conditioner under current rotating speed, it is believed that air conditioner compressed
Machine unloading is completed.Conversely, when current rotating speed is more than compressor rotary speed threshold value, then it is considered that working as forward
The lower power-off of speed can cause loss to compressor of air conditioner.Compressor rotary speed threshold value can be more than zero or equal to zero.
Furthermore it is also possible to be according to the duration after compressor unloading is instructed is sent to judge compressor of air conditioner
No unloading is completed.It is, timing can be started after compressor unloading instruction is sent, if timing
Reach predetermined duration (such as 5s), then it is assumed that compressor of air conditioner unloading is completed.
It is understood that compressor unloading status information can also be considered simultaneously and compressor unloading is sent
Duration after instruction, to judge whether compressor of air conditioner unloads completion.If for example, when predetermined
In long, the compressor unloading status information received represents that compressor of air conditioner has unloaded completion, then judges
Compressor of air conditioner has unloaded completion, if in predetermined duration, the compressor unloading state received
Information does not represent that compressor of air conditioner has unloaded completion, or is not received by compressor unloading state
Information, then can be when reaching predetermined duration, it is believed that compressor of air conditioner has unloaded completion.Fig. 2 is
What one exemplary embodiment was provided judges whether compressor of air conditioner unloads the flow chart of completion.
In step S14, when judging that the compressor of air conditioner unloading is completed, the electric vehicle is disconnected
Vehicle high pressure.
Compressor of air conditioner is provided by vehicle high pressure, can have been unloaded in the embodiment judging compressor of air conditioner
Cheng Shi, for example, controlled by low pressure BMS (battery management system, battery management system)
System disconnects vehicle high pressure.Wherein, the low pressure BMS is used for the high-pressure modular for controlling vehicle.
By above-mentioned technical proposal, when the parking for receiving user's transmission is moved back electricity and indicated, to air conditioner compressed
Machine sends unloading command, when it is determined that compressor of air conditioner unloading is completed, then disconnects vehicle high pressure.So,
Avoid due to the loss for the compressor of air conditioner that the instant cut-off of the compressor of air conditioner run at high speed is caused, from
And the service life of compressor of air conditioner is extended, the cost of maintenance is reduced, the peace driven is added
Quan Xing.
Because the motor of electric vehicle is also the device that runs at high speed, also by vehicle high voltage supply.Cause
This, in another embodiment of the present disclosure, after can also being unloaded to motor, then cutting
Overall height pressure.Fig. 3 is that the high pressure for the electric vehicle that another exemplary embodiment is provided moves back the flow chart of method for electrically.
As shown in figure 3, on the basis of Fig. 1, methods described can also comprise the following steps.
In step S15, electric instruction is moved back in response to described, is sent to the motor of the electric vehicle
Motor unloading command.
In this embodiment, receive move back electricity instruction when, to motor send unloading command, indicate
Motor carries out the unloading of power.The unloading of the motor for example can be directly by cutting off driving electricity
The electric current of machine is carried out.Step S15 can simultaneously be carried out with step S12, i.e. received and moved back electricity and refer to
When making, while sending unloading command to compressor of air conditioner and motor respectively.
In step s 16, judge whether the motor unloads completion.
With above-mentioned steps S13 similarly, judge the step of whether motor unloads completion can include with
Any one in lower or many persons:According to the motor unloaded state information of motor, motor is judged
Whether unloading is completed;According to the duration after transmission motor unloading command, judge whether motor unloads
Complete.
In the former, motor can periodically send unloaded state information, institute while unloading
The current operation conditions of motor can be represented by stating motor unloaded state information.Motor unloaded state information
The current rotating speed of motor can for example be included.In the embodiment, it can be believed according to motor unloaded state
Cease to judge whether motor unloads completion.In addition, motor unloaded state information can also be represented in itself
Whether motor unloads the result of determination of completion.In this embodiment, motor can be directly transmitted
Represent whether motor unloads the result of determination of completion.
For judging whether motor unloads completion, can according to powered off under current operating conditions to driving
The extent of deterioration of motor is determined.It can be judged according to default power threshold or rotary speed threshold value.For example,
Motor speed threshold value is set, when the current rotating speed of motor is less than motor speed threshold value, then it is considered that working as
Power-off will not cause loss to motor under preceding rotating speed, it is believed that motor unloading is completed.Conversely,
When current rotating speed is more than motor speed threshold value, then it is considered that power-off can be to motor under current rotating speed
Cause loss.The motor speed threshold value can be more than zero or equal to zero.
Furthermore it is also possible to judge whether motor unloads according to the duration after transmission motor unloading command
Carry and complete.It is, can send motor unloading command after start timing, if timing reach it is pre-
Fixed duration (such as 2s), then it is assumed that motor unloading is completed.
It is understood that motor unloaded state information can also be considered simultaneously and motor unloading command is sent
Duration afterwards, to judge whether motor unloads completion.If for example, in predetermined duration,
The motor unloaded state information received represents that motor has unloaded completion, then judges motor
Completed through unloading, if in predetermined duration, the motor unloaded state information received is not represented
Motor has unloaded completion, or is not received by motor unloaded state information, then can reach
During predetermined duration, it is believed that compressor of air conditioner has unloaded completion.Fig. 4 is that an exemplary embodiment is provided
Judge whether motor unloads the flow chart of completion.
In this embodiment, when judging that compressor of air conditioner unloading is completed, the vehicle for disconnecting electric vehicle is high
The step of pressure (step S14), can include step S141.
In step s 141, judging compressor of air conditioner unloading completion, and judging that motor is unloaded
During completion, the vehicle high pressure of electric vehicle is disconnected.
In this embodiment, it is to avoid the driving caused due to the instant cut-off of the motor run at high speed
The loss of motor, so as to extend the service life of motor, reduces the cost of maintenance, increases
The security driven is added.
Fig. 5 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the flow chart of method for electrically.Such as
Shown in Fig. 5, on the basis of Fig. 1, (the step the step of vehicle high pressure of the electric vehicle is disconnected
S14 after), methods described can also comprise the following steps.
In step S17, initiate to the main contactor between the compressor of air conditioner and the vehicle high pressure
Sintering detection.
In above-mentioned steps S14, indicate to disconnect vehicle high pressure.But it is also possible that due to some originals
Because not disconnecting actually.The sintering detection is to compressor of air conditioner and whole according to connecting and disconnecting of the circuit state
Actually whether main contactor between overall height pressure is sintered, to detect the vehicle high pressure of electric vehicle
Through disconnecting.What the sintering was detected concretely comprises the following steps as it is known to those skilled in the art that no longer being retouched in detail in this
State.
In step S18, judge whether the vehicle high pressure of electric vehicle is already off according to sintering detection.
With above-mentioned steps S13 or step S16 similarly, step S18 can include it is following in it is any
One or more:According to sintering detection sintering state information, judge electric vehicle vehicle high pressure whether
It is already off;According to the duration initiated after sintering is detected, whether the vehicle high pressure of electric vehicle is judged
Through disconnecting.
Wherein, in the former, sintering state information can be periodically sent while detection is sintered,
The sintering state information can represent the present situation of sintering detection., can be according to burning in the embodiment
Status information is tied to judge that vehicle high pressure is already off.In addition, sintering state information can also be represented in itself
The whether already off result of determination of vehicle high pressure.Vehicle is represented in this embodiment it is possible to directly receive
The whether already off result of determination of high pressure.
Furthermore it is also possible to judge whether vehicle high pressure has broken according to the duration after sintering is detected is initiated
Open.It is, timing can be started after sintering detection is initiated, if timing reaches predetermined duration
(such as 5s), then it is assumed that vehicle high pressure is already off.
It is understood that can also consider simultaneously sintering state information and initiate sintering detection after when
It is long, to judge whether vehicle high pressure is already off.If for example, in predetermined duration, received
Sintering state information represents that vehicle high pressure is already off, then judges that vehicle high pressure is already off, if pre-
In fixed duration, the sintering state information received does not represent that vehicle high pressure is already off, or does not have
Receive sintering state information, then can be when reaching predetermined duration, it is believed that vehicle high pressure has been broken
Open.
In step S19, when the vehicle high pressure for judging the electric vehicle is already off, air-conditioning is disconnected
The low-tension supply of compressor.
The low-tension supply of the compressor of air conditioner provides power supply, the control for the controller of compressor of air conditioner
Device is used to control the running status of compressor of air conditioner and the transmitting-receiving with PERCOM peripheral communication information.Disconnect air conditioner compressed
The low-tension supply of machine generally can be by disconnecting BCM (Body Control Module, Body Control mould
Block) relay between compressor of air conditioner realizes.In the embodiment, ensureing that compressor of air conditioner unloads
Carry on the basis of completing, safety detection also has been carried out to BMS, BMS high-pressure systems are effectively protected.
Fig. 6 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the flow chart of method for electrically.Such as
Shown in Fig. 6, on the basis of Fig. 5, methods described can also comprise the following steps.
In step S20, when the vehicle high pressure for judging electric vehicle is already off, electric vehicle is disconnected
A-battery management system (BMS) power supply.
Wherein, the power supply for disconnecting low pressure BMS generally can be by disconnecting between BCM and low pressure BMS
Relay realize.This after confirming that vehicle high pressure is already off, then disconnects in this embodiment
Low pressure BMS power supply, protects BMS high-pressure systems.
The present invention also provides a kind of high pressure of electric vehicle and moves back electric installation.Fig. 7 is that an exemplary embodiment is carried
The high pressure of the electric vehicle of confession moves back the block diagram of electric installation.As shown in fig. 7, the high pressure of the electric vehicle is moved back
Electric installation 10 includes receiving module 11, compressor unloading sending module 12, compressor judge module 13
Module 14 is disconnected with high pressure.
The electricity that moves back that electricity is moved back in instruction of the receiving module 11 for the receiving user's transmission electric vehicle parking refers to
Order.
Compressor unloading sending module 12 is used to move back electric instruction in response to described, to the electric vehicle
Compressor of air conditioner sends compressor unloading instruction.
Compressor judge module 13 is used to judge whether the compressor of air conditioner unloads completion.
High pressure, which disconnects module 14, to be used to, when judging that the compressor of air conditioner unloading is completed, disconnect the electricity
The vehicle high pressure of motor-car.
Alternatively, the compressor judge module 13 can include it is following in any one or many persons:
First judging submodule, for the compressor unloading status information according to the compressor of air conditioner, sentences
Whether the compressor of air conditioner that breaks unloads completion;
Second judging submodule, for according to the duration sent after the compressor unloading is instructed, judging
Whether the compressor of air conditioner unloads completion.
Fig. 8 is that the high pressure for the electric vehicle that another exemplary embodiment is provided moves back the block diagram of electric installation.As schemed
Shown in 8, on the basis of Fig. 7, described device 10 can also include motor and unload the He of sending module 15
Motor judge module 16.
Motor unloading sending module 15 is used to move back electric instruction in response to described, to the drive of the electric vehicle
Dynamic motor sends motor unloading command.
Motor judge module 16 is used to judge whether the motor unloads completion.
Wherein, the high pressure disconnects module 14 and can included:Submodule 141 is disconnected, for judging institute
Compressor of air conditioner unloading completion is stated, and when judging that the motor unloading is completed, is disconnected described electronic
The vehicle high pressure of vehicle.
Alternatively, the motor judge module 16 can include it is following in any one or many persons:
3rd judging submodule, for the motor unloaded state information according to the motor, judges institute
State whether motor unloads completion;
4th judging submodule, for according to the duration after the transmission motor unloading command, judging institute
State whether motor unloads completion.
Fig. 9 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the block diagram of electric installation.As schemed
Shown in 9, on the basis of Fig. 7, described device 10 can also include initiation module 17, high pressure and disconnect
The low pressure of judge module 18 and first disconnects module 19.
Initiation module 17 is used to initiate to the main contact between the compressor of air conditioner and the vehicle high pressure
The sintering detection of device.
High pressure disconnects the vehicle that judge module 18 is used to judge the electric vehicle according to the sintering detection
Whether high pressure is already off.
First low pressure, which disconnects module 19, to be used for when the vehicle high pressure for judging the electric vehicle is already off,
Disconnect the low-tension supply of the compressor of air conditioner.
Figure 10 is that the high pressure for the electric vehicle that further example embodiment is provided moves back the block diagram of electric installation.Such as
Shown in Figure 10, on the basis of Fig. 9, described device 10 can also include the second low pressure and disconnect module 20.
Second low pressure, which disconnects module 20, to be used for when the vehicle high pressure for judging the electric vehicle is already off,
Disconnect the low-tension supply of the battery management system of the electric vehicle.
Alternatively, the high pressure disconnect judge module 18 can include it is following in any one or many persons:
5th judging submodule, for the sintering state information according to the sintering detection, judges the electricity
Whether the vehicle high pressure of motor-car is already off;
6th judging submodule, for according to the duration initiated after the sintering is detected, judging the electricity
Whether the vehicle high pressure of motor-car is already off.
On the device in above-described embodiment, wherein modules perform the concrete mode operated and had
It is described in detail in the embodiment for closing this method, explanation will be not set forth in detail herein.
By above-mentioned technical proposal, when the parking for receiving user's transmission is moved back electricity and indicated, to air conditioner compressed
Machine sends unloading command, when it is determined that compressor of air conditioner unloading is completed, then disconnects vehicle high pressure.So,
Avoid due to the loss for the compressor of air conditioner that the instant cut-off of the compressor of air conditioner run at high speed is caused, from
And the service life of compressor of air conditioner is extended, the cost of maintenance is reduced, the peace driven is added
Quan Xing.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited
Detail in above-mentioned embodiment, can be to the present invention in the range of the technology design of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means.In order to avoid need not
The repetition wanted, the present invention no longer separately illustrates to various possible combinations.
In addition, various embodiments of the present invention can be combined randomly, as long as its
Without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.
Claims (14)
1. a kind of high pressure of electric vehicle moves back method for electrically, it is characterised in that methods described includes:
Receive that the instruction electric vehicle parking that user sends moves back electricity moves back electric instruction;
Electric instruction is moved back in response to described, sending compressor unloading to the compressor of air conditioner of the electric vehicle refers to
Order;
Judge whether the compressor of air conditioner unloads completion;
When judging that the compressor of air conditioner unloading is completed, the vehicle high pressure of the electric vehicle is disconnected.
2. according to the method described in claim 1, it is characterised in that described to judge described air conditioner compressed
The step of whether machine unloads completion includes any one in following or many persons:
According to the compressor unloading status information of the compressor of air conditioner, whether the compressor of air conditioner is judged
Unloading is completed;
According to the duration sent after the compressor unloading is instructed, judge whether the compressor of air conditioner unloads
Carry and complete.
3. according to the method described in claim 1, it is characterised in that methods described also includes:
Electric instruction is moved back in response to described, motor unloading command is sent to the motor of the electric vehicle;
Judge whether the motor unloads completion,
Wherein, it is described when judging that the compressor of air conditioner unloading is completed, disconnect the whole of the electric vehicle
The step of overall height is pressed includes:Judge the compressor of air conditioner unloading completion, and judge the driving electricity
When machine unloading is completed, the vehicle high pressure of the electric vehicle is disconnected.
4. method according to claim 3, it is characterised in that the judgement motor
The step of whether unloading is completed includes any one in following or many persons:
According to the motor unloaded state information of the motor, judge whether the motor has unloaded
Into;
According to the duration after the transmission motor unloading command, judge whether the motor has unloaded
Into.
5. according to the method described in claim 1, it is characterised in that described described electronic in disconnection
After the step of vehicle high pressure of vehicle, methods described also includes:
Initiate to detect the sintering of the main contactor between the compressor of air conditioner and the vehicle high pressure;
Judge whether the vehicle high pressure of the electric vehicle is already off according to the sintering detection;
When the vehicle high pressure for judging the electric vehicle is already off, the low of the compressor of air conditioner is disconnected
Voltage source.
6. method according to claim 5, it is characterised in that methods described also includes:
When the vehicle high pressure for judging the electric vehicle is already off, the battery of the electric vehicle is disconnected
The low-tension supply of management system.
7. the method according to claim 5 or 6, it is characterised in that described according to the sintering
Detection judges the whether already off step of the vehicle high pressure of the electric vehicle including any in following
One or more:
According to it is described sintering detection sintering state information, judge the electric vehicle vehicle high pressure whether
It is already off;
According to initiate it is described sintering detection after duration, judge the electric vehicle vehicle high pressure whether
It is already off.
8. a kind of high pressure of electric vehicle moves back electric installation, it is characterised in that described device includes:
Receiving module, the electricity that moves back that electricity is moved back in the instruction electric vehicle parking for receiving user's transmission refers to
Order;
Compressor unloading sending module, for moving back electric instruction in response to described, to the sky of the electric vehicle
Compressor is adjusted to send compressor unloading instruction;
Compressor judge module, for judging whether the compressor of air conditioner unloads completion;
High pressure disconnects module, for when judging that the compressor of air conditioner unloading is completed, disconnecting described electronic
The vehicle high pressure of vehicle.
9. device according to claim 8, it is characterised in that the compressor judge module bag
Include it is following in any one or many persons:
First judging submodule, for the compressor unloading status information according to the compressor of air conditioner, sentences
Whether the compressor of air conditioner that breaks unloads completion;
Second judging submodule, for according to the duration sent after the compressor unloading is instructed, judging
Whether the compressor of air conditioner unloads completion.
10. device according to claim 8, it is characterised in that described device also includes:
Motor unloads sending module, for moving back electric instruction in response to described, to the driving of the electric vehicle
Motor sends motor unloading command;
Motor judge module, for judging whether the motor unloads completion,
Wherein, the high pressure disconnects module and included:Submodule is disconnected, for judging described air conditioner compressed
Machine unloading is completed, and when judging that the motor unloading is completed, disconnects the vehicle of the electric vehicle
High pressure.
11. device according to claim 10, it is characterised in that the motor judge module bag
Include it is following in any one or many persons:
3rd judging submodule, for the motor unloaded state information according to the motor, judges institute
State whether motor unloads completion;
4th judging submodule, for according to the duration after the transmission motor unloading command, judging institute
State whether motor unloads completion.
12. device according to claim 8, it is characterised in that described device also includes:
Initiation module, for initiating to the main contactor between the compressor of air conditioner and the vehicle high pressure
Sintering detection;
High pressure disconnects judge module, for judging that the vehicle of the electric vehicle is high according to the sintering detection
Whether pressure is already off;
First low pressure disconnects module, for when the vehicle high pressure for judging the electric vehicle is already off,
Disconnect the low-tension supply of the compressor of air conditioner.
13. device according to claim 12, it is characterised in that described device also includes:
Second low pressure disconnects module, for when the vehicle high pressure for judging the electric vehicle is already off,
Disconnect the low-tension supply of the battery management system of the electric vehicle.
14. the device according to claim 12 or 13, it is characterised in that the high pressure, which disconnects, to be sentenced
Disconnected module include it is following in any one or many persons:
5th judging submodule, for the sintering state information according to the sintering detection, judges the electricity
Whether the vehicle high pressure of motor-car is already off;
6th judging submodule, for according to the duration initiated after the sintering is detected, judging the electricity
Whether the vehicle high pressure of motor-car is already off.
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