CN109212385A - The vehicle circuitry insulation detecting method and device of electric car - Google Patents
The vehicle circuitry insulation detecting method and device of electric car Download PDFInfo
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- CN109212385A CN109212385A CN201710516239.8A CN201710516239A CN109212385A CN 109212385 A CN109212385 A CN 109212385A CN 201710516239 A CN201710516239 A CN 201710516239A CN 109212385 A CN109212385 A CN 109212385A
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- 238000009413 insulation Methods 0.000 title claims abstract description 175
- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 114
- 238000012544 monitoring process Methods 0.000 claims abstract description 67
- 230000005611 electricity Effects 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
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- 238000004590 computer program Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 description 8
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- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 238000003708 edge detection Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Abstract
The disclosure provides the vehicle circuitry insulation detecting method and device of a kind of electric car, to solve the problems, such as that there are security risks during the Insulation monitoring of electric car in the related technology.The vehicle circuitry includes power battery, the first insulation monitoring module, the second insulation monitoring module, main positive relay, main negative relay, load circuit；The described method includes: detecting the resistance value of the first equivalent resistance of the power battery anode over the ground in the case where the positive relay of the master and the second detection relay closure；In the case where the negative relay of the master and the first detection relay closure, the resistance value of the second equivalent resistance of the power battery cathode over the ground is detected；Judge whether vehicle circuitry occurs insulation fault according to the resistance value of first equivalent resistance and second equivalent resistance.
Description
Technical field
This disclosure relates to Vehicle Engineering, and in particular, to a kind of vehicle circuitry insulation detecting method of electric car
And device.
Background technique
Electric machine controller, power battery, motor compressor in electric car etc. are all to need the work under high pressure electricity condition
The high voltage component of work.Electric car working environment is complicated, and vibration, temperature, humidity and components aging etc. can all make vehicle circuitry
Decreasing insulating, there is insulation fault.Power battery positive and negative anodes constitute current loop by insulating layer and chassis, work as vehicle
When the decreasing insulating of circuit, leakage current just be will increase, when leakage current reaches certain value, will jeopardize passenger safety with
And the normal operation of entire vehicle electrical system.Therefore, whether the vehicle circuitry for detecting electric vehicle occurs insulation fault, it is ensured that vehicle
It is run under state of insulation, guarantee passenger's personal safety, electrical equipment is worked normally and vehicle safety operation is with important
Meaning.
In the related technology, when electric car is in low pressure power-up state, whether the two poles of the earth for detecting power battery have over the ground
The insulation fault of electric leakage.In the case where determining unpowered battery the two poles of the earth without electric leakage, the positive relay of master and main negative relay are closed
It closes, load circuit is accessed into high pressure electric forming high tension loop, the electric car is made to enter high pressure power-up state.It is worth explanation
It is that the anode portion and cathode portion of the high tension loop form capacity effect over the ground.Have at this time to detect the high tension loop
Naked failure needs first to wait about 10s, and the equivalent capacity for forming capacity effect completes charging, and the circuit each section
Voltage stabilization and then gradually detect each section of the high tension loop whether there is or not insulation faults.If detecting, the high tension loop has
Failure, then complete electric under high pressure, the operation such as line maintenance.It is worth noting that if the high tension loop there are insulation faults, examining
Survey whether the high tension loop occurs in the detection cycle of insulation fault, high pressure electric leakage causes to pacify to passenger inside the vehicle and electrical equipment
Full hidden danger.
Summary of the invention
The disclosure provides the vehicle circuitry insulation detecting method and device of a kind of electric car, to solve to exist in the related technology
There are problems that security risk during the Insulation monitoring of electric car.
To achieve the goals above, disclosure first aspect provides a kind of vehicle circuitry Insulation monitoring side of electric car
Method, the vehicle circuitry include power battery, the first insulation monitoring module, the second insulation monitoring module, lead positive relay, is main negative
Relay, load circuit；
The first end of first insulation monitoring module is connected with the anode of the power battery, first Insulation monitoring
The second end of module is grounded, and first insulation monitoring module includes the first detection relay；
The first end of second insulation monitoring module is connected with the cathode of the power battery, second Insulation monitoring
The second end of module is grounded, and second insulation monitoring module includes the second detection relay；
The positive relay first end of master is connected with the anode of the power battery, the positive relay second end of the master and institute
The first end for stating load circuit is connected；
The negative relay first end of master is connected with the cathode of the power battery, the negative relay second end of the master and institute
The second end for stating load circuit is connected；
Wherein, the positive circuit between the second end of the load circuit of the power battery is electrode line road；Institute
Stating the circuit between the cathode of power battery and the first end of the load circuit is anode circuit；
The method includes executing following Insulation monitoring operation:
Control the positive relay of the master and the second detection relay closure, and the negative relay of the master and described first
It detects relay to disconnect, and detects the resistance value of the first equivalent resistance of the power battery anode over the ground, according to described first etc.
The resistance value of effect resistance judges whether the positive route occurs insulation fault；And/or
Control the negative relay of the master and the first detection relay closure, and the positive relay of the master and described second
It detects relay to disconnect, and detects the resistance value of the second equivalent resistance of the power battery cathode over the ground, according to described second etc.
The resistance value of effect resistance judges whether the anode circuit occurs insulation fault.
Optionally, the method also includes:
If insulation fault does not occur described in the anode route and anode circuit, the acousto-optic of the electric car is controlled
System switches to target operational mode, the operation for making the electric car enter high pressure power-up state to prompt driver to execute；
If detecting the operational order for making the electric car enter high pressure power-up state, the positive relay of the master is controlled
It is closed with the negative relay of the master, so that the load circuit accesses high-voltage electricity.
Optionally, after the load circuit accesses high-voltage electricity, the method also includes:
The first detection relay closure is controlled, the second detection relay disconnects, to form the first high tension loop,
And the resistance value of the third equivalent resistance of the power battery anode over the ground is detected, judged according to the resistance value of the third equivalent resistance
Whether first high tension loop occurs insulation fault；And/or
The second detection relay closure is controlled, the first detection relay disconnects, to form the second high tension loop,
And the resistance value of the 4th equivalent resistance of the power battery cathode over the ground is detected, judged according to the resistance value of the 4th equivalent resistance
Whether second high tension loop occurs insulation fault.
Optionally, the electric car is configured with car key, and before executing the Insulation monitoring operation, the method is also
Include:
When receiving the starting request that the car key is sent, according to the starting request control electric car into
Enter low pressure power-up state；And/or
When determining that the car key enters the preset range on the electric car periphery, controls the electric car and enter
Low pressure power-up state.
Optionally, the method also includes:
If insulation fault occurs for the anode route and/or the anode circuit, the electric car is forbidden to enter height
Press power-up state.
Disclosure second aspect provides a kind of vehicle circuitry insulation detection device of electric car, and the vehicle circuitry includes
Power battery, the first insulation monitoring module, the second insulation monitoring module, main positive relay, main negative relay, load circuit；
The first end of first insulation monitoring module is connected with the anode of the power battery, first Insulation monitoring
The second end of module is grounded, and first insulation monitoring module includes the first detection relay；
The first end of second insulation monitoring module is connected with the cathode of the power battery, second Insulation monitoring
The second end of module is grounded, and second insulation monitoring module includes the second detection relay；
The positive relay first end of master is connected with the anode of the power battery, the positive relay second end of the master and institute
The first end for stating load circuit is connected；
The negative relay first end of master is connected with the cathode of the power battery, the negative relay second end of the master and institute
The second end for stating load circuit is connected；
Wherein, the positive circuit between the second end of the load circuit of the power battery is electrode line road；Institute
Stating the circuit between the cathode of power battery and the first end of the load circuit is anode circuit；
Described device includes executing with lower module:
First control module, for controlling the positive relay of the master and the second detection relay closure, and the master
Negative relay and the first detection relay disconnect；First resistance value detection module, for detecting the power battery anode pair
The resistance value of first equivalent resistance on ground；First judgment module, for according to the resistance value of first equivalent resistance judge it is described just
Whether polar curve road occurs insulation fault；And/or
Second control module, for controlling the negative relay of the master and the first detection relay closure, and the master
Positive relay and the second detection relay disconnect；Second resistance value detection module, for detecting the power battery cathode pair
The resistance value of second equivalent resistance on ground；Second judgment module, it is described negative for being judged according to the resistance value of second equivalent resistance
Whether polar curve road occurs insulation fault.Optionally, described device further include:
Controlled by sound and light module, for controlling when insulation fault does not occur for the positive route and the anode circuit
The acousto-optic system of the electric car switches to target operational mode, so that the electric car is entered height to prompt driver to execute
Press the operation of power-up state；
High voltage control module, for when detecting the operational order for making the electric car enter high pressure power-up state,
The positive relay of the master and the negative relay closure of the master are controlled, so that the load circuit accesses high-voltage electricity.
Optionally, described device further include:
Third control module is closed for after the load circuit accesses high-voltage electricity, controlling the first detection relay
It closes, the second detection relay disconnects, to form the first high tension loop；Third resistance value detection module, it is described dynamic for detecting
The resistance value of the third equivalent resistance of power anode over the ground；Third judgment module, for the resistance according to the third equivalent resistance
Value judges whether first high tension loop occurs insulation fault；And/or
4th control module is closed for after the load circuit accesses high-voltage electricity, controlling the second detection relay
It closes, the first detection relay disconnects, to form the second high tension loop；4th resistance value detection module, it is described dynamic for detecting
The resistance value of the 4th equivalent resistance of power battery cathode over the ground；4th judgment module, for the resistance according to the 4th equivalent resistance
Value judges whether second high tension loop occurs insulation fault.
Optionally, the electric car is configured with car key, described device further include:
First low-pressure control module, when for being requested in the starting for receiving the car key transmission, according to the starting
Request controls the electric car and enters low pressure power-up state；And/or
Second low-pressure control module, for determining preset range of the car key into the electric car periphery
When, it controls the electric car and enters low pressure power-up state.
Optionally, described device further include:
Fault processing module, for forbidding institute when insulation fault occurs for the positive route and/or the anode circuit
It states electric car and enters high pressure power-up state.
The disclosure third aspect provides a kind of computer readable storage medium, is stored thereon with computer program, the program
Above-mentioned mention is executed by processor on the one hand to examine with the insulation of the vehicle circuitry of electric car described in the optional embodiment of first aspect
The step of survey method.
Disclosure fourth aspect provides a kind of vehicle circuitry insulation detection device of electric car, and described device includes:
Computer readable storage medium described in three aspects；And one or more processor, it can for executing the computer
Read the program in storage medium.
Above-mentioned technical proposal, by the positive relay of the master and the second detection relay that control power battery the two poles of the earth
Closure or the negative relay of the master and the first detection relay closure, keep the single-ended access of the load circuit described dynamic
Power battery, then the resistance value of the equivalent resistance of the power battery positive and negative electrode over the ground is detected respectively, in this way, the load is electric
Power battery is accessed simultaneously in road both ends, is in the electric car before high pressure power-up state, can be respectively by described etc.
The positive and negative electrode route for imitating vehicle circuitry of the resistance value judgement including load circuit of resistance whether there is insulation fault.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of circuit diagram of the vehicle circuitry of electric car
Fig. 2 is a kind of vehicle circuitry insulation detecting method process of electric car shown according to an exemplary embodiment
Figure.
Fig. 3 is the vehicle circuitry insulation detecting method process of another electric car shown according to an exemplary embodiment
Figure.
Fig. 4 is a kind of vehicle circuitry insulation detection device block diagram of electric car shown according to an exemplary embodiment.
Fig. 5 is the vehicle circuitry insulation detection device frame of another electric car shown according to an exemplary embodiment
Figure.
Fig. 6 is the vehicle circuitry insulation detection device frame of another electric car shown according to an exemplary embodiment
Figure.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Fig. 1 is a kind of circuit diagram of the vehicle circuitry of electric car.As shown in Figure 1, the vehicle circuitry 10 includes power
Battery 100, the first insulation monitoring module 110, the second insulation monitoring module 120, main positive relay 130, main negative relay 140,
Load circuit 150.
The first end of first insulation monitoring module 110 is connected with the anode of the power battery 100, and described first absolutely
The second end of edge detection module 110 is grounded, and first insulation monitoring module 110 includes the first detection relay K1.
The first end of second insulation monitoring module 120 is connected with the cathode of the power battery 100, and described second absolutely
The second end of edge detection module 120 is grounded, and second insulation monitoring module 120 includes the second detection relay K2.
Positive 130 first end of relay of master is connected with the anode of the power battery 100, the positive relay 130 of master
Second end is connected with the first end of the load circuit 150.Wherein, as shown in figure 1 shown in dotted portion, the positive relay of master
130 are also possible that preliminary filling electric resistance structure.
Negative 140 first end of relay of master is connected with the cathode of the power battery 100, the negative relay 140 of master
Second end is connected with the second end of the load circuit 150.
In the related technology, first the Insulation monitoring under low pressure power-up state is carried out to the vehicle circuitry 10 to operate, it is specific to grasp
Make as follows.
After vehicle is in low pressure power-up state, that is, after automobile is in ON grades of power-up states, the first Insulation monitoring mould
Block 110 and the second insulation monitoring module 120 start to intervene Insulation monitoring.
In the case where the first detection relay K1 closure the second detection relay K2 is disconnected, described in detection
The resistance value of the first equivalent resistance of the anode of power battery 100 over the ground, i.e. the resistance value of the first equivalent resistance R1 shown in dotted line in Fig. 1,
And judge whether the anode of the power battery 100 occurs insulation fault by the resistance value.
Similarly, in the case where the second detection relay K2 closure the first detection relay K1 is disconnected, detection
The resistance value of the second equivalent resistance of 100 cathode of power battery over the ground, the i.e. resistance of the second equivalent resistance R2 shown in dotted line in Fig. 1
Value, and judge whether the cathode of the power battery 100 occurs insulation fault by the resistance value.
It can only detect whether the positive and negative anodes of the power battery 100 occur insulation event by the operation of above-mentioned Insulation monitoring
Barrier.If being carried out to vehicle circuitry 10 under high pressure power-up state after receiving high pressure and powering on instruction through detecting no failure
Insulation monitoring, concrete operations are as follows.
The positive relay 130 of master and main negative relay 140 are closed, load circuit 150 accesses high-voltage electricity, forms vehicle circuitry
10 current loop.It is worth noting that the anode portion and cathode portion in the circuit are distinguished as shown in figure 1 shown in dotted portion
Equivalent capacity C1 and equivalent capacity C2 is formed over the ground.Before further detecting the circuit and integrally whether insulation fault occurring,
About 10s is needed to wait for, is charged to the equivalent capacity, after 10 each section voltage stabilization of vehicle circuitry, then is closed described the in turn
One detection relay K1 and the second electrical measurement relay K2, to detect whether the positive and negative electrode part occurs insulation fault.
It is worth noting that being in the exhausted of high pressure power-up state in vehicle circuitry 10 if there are insulation faults in the circuit
In edge detection process, high pressure electric leakage can cause security risk to passenger inside the vehicle and electrical equipment.In this regard, the embodiment of the present disclosure mentions
The vehicle circuitry insulation detecting method of a kind of electric car out, it is right before the vehicle circuitry 10 enters high pressure power-up state
Described 10 each section of vehicle circuitry carries out Insulation monitoring, to exclude insulation fault, reduces the appearance height during Insulation monitoring
Press the risk of electric leakage.
Wherein, the positive circuit between the second end of the load circuit 150 of the power battery 100 is electrode line
Road；Circuit between the cathode of the power battery 100 and the first end of the load circuit 150 is anode circuit.Such as Fig. 2 institute
Show, the method includes executing following Insulation monitoring operation:
Step S21, controls the positive relay 130 of the master and the second detection relay K2 closure, and the master it is negative after
Electric appliance 140 and the first detection relay K1 are disconnected.
Step S22 detects the resistance value of the first equivalent resistance R1 of 100 anode of power battery over the ground.
Optionally, the resistance value of the first equivalent resistance R1 of the detection 100 anode of power battery over the ground, comprising: logical
Cross the resistance value that terminal voltage method detects the first equivalent resistance R1 of 100 anode of power battery over the ground.
Specifically, second insulation monitoring module 120 includes a measuring resistance.Second insulation monitoring module 120
In the second detection relay K2 closure, i.e., the measuring resistance is accessed into the circuit.Due to the first equivalent resistance R1
Resistance value and the anode of the power battery 100 voltage value over the ground it is directly proportional, in specific detection, detection accesses the mark respectively
Before and after quasi- resistance, 100 anode of power battery and cathode voltage-to-ground value can be according to the first equivalent resistance and measuring resistances
Partial pressure relationship obtain the resistance value of the first equivalent resistance R1.
Step S23 judges whether the positive route occurs insulation fault according to the resistance value of the first equivalent resistance R1.
Specifically, the electric car is in default setting, can insulate under fault-free conditions in vehicle, detects described the
The resistance value of one equivalent resistance R1, and using this result as a reference value, so that the reasonable Standard resistance range of equivalent resistance is obtained, in this way,
In above-mentioned steps S23, if the resistance value of the first equivalent resistance R1 is not in the reasonable Standard resistance range, institute can determine
State positive line failure.In alternatively possible implementation, electric car can simulate various exhausted in default setting
Reason barrier, and the corresponding resistance value of above-mentioned equivalent resistance in different insulative fault condition is detected, to obtain sentencing for insulation fault
Disconnected range, that is, in above-mentioned steps S23, if the resistance value of the first equivalent resistance R1 is in the determination range, determine
The anode line failure.
Further, the embodiment of the present disclosure can also carry out event in the case where insulation fault occurs for the positive route
Barrier processing, and the electric car is forbidden to enter high pressure power-up state.In addition, insulation fault does not occur in the positive route
In the case of, it can also further execute the detecting step for anode circuit: control the negative relay 140 of the master and described first
Relay K1 closure is detected, and the positive relay 130 of the master and the second detection relay K2 are disconnected, and detect the power
The resistance value of the second equivalent resistance R2 of 100 cathode of battery over the ground, further according to the second equivalent resistance R2 resistance value judgement described in
Whether positive route occurs insulation fault.Wherein, the resistance value of the second equivalent resistance R2 to 100 cathode of power battery over the ground
Detection is specifically referred to the above-mentioned explanation to step S22；According to the resistance value of the second equivalent resistance R2 to the negative line
The judgement whether road occurs insulation fault is specifically referred to the above-mentioned explanation to step S23, and details are not described herein again.
Above-mentioned technical proposal controls the positive relay 130 of the master and the second detection relay K2 closure, alternatively, control
The negative relay 140 of the master and the first detection relay K1 closure are made, the single-ended access power electric of the load circuit 150 is made
Pond 100, then detect the resistance value of the equivalent resistance of 100 positive and negative electrode of power battery over the ground respectively, in this way, by the load
Power battery 100 is accessed simultaneously in 150 both ends of circuit, is in the vehicle circuitry 10 before high pressure power-up state, can distinguish
Judgement includes that the positive and negative electrode route of the vehicle circuitry 10 of load circuit 150 whether there is insulation fault.
It is worth noting that the detection to the positive route, or the detection to the anode circuit, it is to unilateral side
The detection of route, sequencing do not influence final testing result, in the specific implementation, can be according to the actual situation to step
Execution sequence be adjusted, the disclosure is it is not limited here.
In a kind of possible implementation scene, the method be can be in the enabled instruction for detecting driver, and according to
After the enabled instruction control electric car enters low pressure power-up state, the step of above-mentioned Insulation monitoring operates is executed.With reference to step
Rapid S21, after being closed the positive relay 130 of the master and the second detection relay K2, there is electricity in the anode line-to-ground
Hold effect, to obtain reasonable testing result, the equivalent capacity charging that need to first wait the capacity effect to generate, the anode route
Each section voltage stabilization, then detect the resistance value of the first equivalent resistance R1.This process probably needs 10s.Similarly, described in completion
The insulation failure detection step of anode circuit is also required to the time of general 10s.Therefore, the above-mentioned operation of the embodiment of the present disclosure is completed
Step probably needs the time of 20s.During this period, driver needs to wait for inspection result.A kind of optional embodiment party is set forth below
Formula is to save waiting time of driver.
Optionally, electric car is configured with car key, and before executing the Insulation monitoring operation, the method is also wrapped
It includes: when receiving the starting request that the car key is sent, being entered according to the starting request control electric car low
Press power-up state；And/or when determining that the car key enters the preset range on the electric car periphery, control the electricity
Electrical automobile enters low pressure power-up state.
In this way, the electric car can be powered on into low pressure in advance before driver enters vehicle, and execute it is above-mentioned right
The Insulation monitoring of the vehicle circuitry 10 operates.It can be by adjusting the size of the preset range, to adjust the electronic vapour
Vehicle enters the time that low pressure powers in advance.For example, the preset range is adjusted to 50m, user carries car key and enters the model
After enclosing, that is, starts to execute above-mentioned Insulation monitoring operation, reduce the waiting time of user in the car.
For the technical solution for making those skilled in the art more understand that the embodiment of the present disclosure provides, below in detail with one
Example a kind of vehicle circuitry insulation detecting method for electric car that the embodiment of the present disclosure provides is illustrated, such as Fig. 3 institute
Show, comprising:
Fig. 3 is a kind of vehicle circuitry insulation detecting method process of electric car shown according to an exemplary embodiment
Figure.As shown in Figure 3, which comprises
Step S31, controls the positive relay 130 of the master and the second detection relay K2 closure, and the master it is negative after
Electric appliance 140 and the first detection relay K1 are disconnected, and detect the first equivalent resistance of 100 anode of power battery over the ground
The resistance value of R1 judges whether the positive route occurs insulation fault according to the resistance value of the first equivalent resistance R1.
Further, if insulation fault does not occur for the anode route, S32 is thened follow the steps；If the anode route is not
Insulation fault occurs, thens follow the steps S33.
Step S32, control the negative relay 140 of the master and it is described first detection relay K1 closure, and the master just after
Electric appliance 130 and the second detection relay K2 are disconnected, and detect the second equivalent resistance of 100 cathode of power battery over the ground
The resistance value of R2 judges whether the anode circuit occurs insulation fault according to the resistance value of the second equivalent resistance R2.
Further, if insulation fault does not occur for the anode circuit, S34 is thened follow the steps to step S36；If described negative
Insulation fault occurs for polar curve road, thens follow the steps S33.
Step S33 carries out troubleshooting, and the electric car is forbidden to enter high pressure power-up state.
Step S34, the acousto-optic system for controlling the electric car switch to target operational mode, to prompt driver to execute
The electric car is set to enter the operation of high pressure power-up state.
In a kind of possible implement scene, indicator light is constantly in amber light state during the Insulation monitoring, if inspection
Generation insulation fault is measured, then becomes red light, to prompt driver vehicle that insulation fault occurs.Voice broadcast simultaneously indicates vehicle
Interior passenger leaves and broadcasts fault code, so that driver carries out dependent failure inspection operation.If driver is continuous at this time carries out vehicle
Start-up operation, then warn blinking light with alerting drivers, and insulation fault occurs for the electric car not because of vehicle circuitry 10
It can enter high pressure power-up state.
Wherein, in Some vehicles, the operation can be driver and twist automobile key, for example, being entered by " ON grades "
" starting shelves ", or press the button for starting the electric car.In a kind of possible embodiment, entire car controller can be with
The operational order for making the electric car enter high pressure power-up state is generated according to the operation signal.
Step S35 controls the master if detecting the operational order for making the electric car enter high pressure power-up state
Positive relay 130 and the negative relay 140 of the master are closed, so that the load circuit 150 accesses high-voltage electricity.
Step S36 controls the first detection relay K1 closure, and the second detection relay K2 is disconnected, to be formed
First high tension loop, and the resistance value of the third equivalent resistance of 100 anode of power battery over the ground is detected, according to described third etc.
The resistance value of effect resistance judges whether first high tension loop occurs insulation fault.
Further, if insulation fault does not occur for first high tension loop, S37 is thened follow the steps；If described first is high
It pushes back road and insulation fault occurs, then follow the steps S38.
Step S37 controls the second detection relay K2 closure, and the first detection relay K1 is disconnected, to be formed
Second high tension loop, and the resistance value of the 4th equivalent resistance of 100 cathode of power battery over the ground is detected, according to described 4th etc.
The resistance value of effect resistance judges whether second high tension loop occurs insulation fault.
Further, if insulation fault does not occur for second high tension loop, S39 is thened follow the steps；If described second is high
It pushes back road and insulation fault occurs, then follow the steps S38.
Step S38 carries out lower operation with high pressure to the vehicle circuitry 10, and carries out troubleshooting.
Specifically, the step S38 may include disconnecting the positive relay 130 of the master and the negative relay 140 of the master,
And report corresponding insulation fault code.
Step S39 exports the Insulation monitoring result of vehicle circuitry 10.
Further, the Insulation monitoring result can also be stored, with personnel convenient to overhaul to described electronic
History testing result is checked when automobile is overhauled.
It is worth noting that for simple description, therefore, it is stated as a series of dynamic for above method embodiment
It combines, but those skilled in the art should understand that, the disclosure is not limited by the described action sequence, for example, can
First to carry out insulation failure detection to the anode circuit, then insulation failure detection is carried out to the positive route.Secondly, ability
Field technique personnel also should be aware of, and the embodiments described in the specification are all preferred embodiments, and related movement is not
It must be necessary to the disclosure, for example, above-mentioned steps S36 to step S38 may further ensure that the vehicle circuitry 10 absolutely
Edge is functional, reduces during the Insulation monitoring of electric car that there are security risks, in the specific implementation, also can choose not
It executes.
Based on identical inventive concept, the embodiment of the present disclosure also provides a kind of vehicle circuitry Insulation monitoring dress of electric car
Set 400, wherein the vehicle circuitry please refers to vehicle circuitry 10 described in figure 1 above, and details are not described herein again.Described device 400
For implementing the method and step of above method embodiment offer, as shown in figure 4, the device 400 includes:
First control module 411, for controlling the positive relay 130 of the master and the second detection relay K2 closure,
And the negative relay 140 of master and the first detection relay K1 are disconnected；First resistance value detection module 412, for detecting
State the resistance value of the first equivalent resistance R1 of 100 anode of power battery over the ground；First judgment module 413, for according to described first
The resistance value of equivalent resistance R1 judges whether the positive route occurs insulation fault；
And/or as in Fig. 4 dotted portion indicate that described device 400 comprises the following modules:
Second control module 421, for controlling the negative relay 140 of the master and the first detection relay K1 closure,
And the positive relay 130 of master and the second detection relay K2 are disconnected；Second resistance value detection module 422, for detecting
State the resistance value of the second equivalent resistance R2 of 100 cathode of power battery over the ground；Third judgment module 423, for according to described second
The resistance value of equivalent resistance R2 judges whether the anode circuit occurs insulation fault.
The above-mentioned apparatus that the embodiment of the present disclosure provides can control the positive relay 130 of the master and the second detection relay
Device K2 closure makes the load circuit alternatively, controlling the negative relay 140 of the master and the first detection relay K1 closure
150 single-ended access power batteries 100, then the resistance value of the equivalent resistance of 100 positive and negative electrode of power battery over the ground is detected respectively,
In this way, powering on the vehicle circuitry 10 in high pressure power battery 100 is accessed simultaneously in 150 both ends of load circuit
Before state, can judge respectively include the vehicle circuitry 10 of load circuit 150 positive and negative electrode route with the presence or absence of insulation therefore
Barrier.
Optionally, on the basis of device 400 shown in Fig. 4, as shown in figure 5, described device 400 further include: controlled by sound and light
Module 450, for controlling the electric car when insulation fault does not occur for the positive route and the anode circuit
Acousto-optic system switches to target operational mode, the behaviour for making the electric car enter high pressure power-up state to prompt driver to execute
Make；High voltage control module 460, for controlling when detecting the operational order for making the electric car enter high pressure power-up state
It makes the positive relay 130 of the master and the negative relay 140 of the master is closed, so that the load circuit 150 accesses high-voltage electricity.
Optionally, on the basis of fig. 4, as shown in figure 5, described device 400 further include:
Third control module 431, for the load circuit 150 access high-voltage electricity after, control it is described first detection after
Electric appliance K1 closure, the second detection relay K2 is disconnected, to form the first high tension loop；Third resistance value detection module 432 is used
In the resistance value for detecting the third equivalent resistance of 100 anode of power battery over the ground；Third judgment module 433, for according to institute
The resistance value for stating third equivalent resistance judges whether first high tension loop occurs insulation fault；
And/or as in Fig. 5 dotted portion indicate that described device 400 comprises the following modules:
4th control module 441, for the load circuit 150 access high-voltage electricity after, control it is described second detection after
Electric appliance k2 closure, the first detection relay K1 is disconnected, to form the second high tension loop；4th resistance value detection module 442 is used
In the resistance value for detecting the 4th equivalent resistance of 100 cathode of power battery over the ground；4th judgment module 443, for according to institute
The resistance value for stating the 4th equivalent resistance judges whether second high tension loop occurs insulation fault.In this way, by described electronic
Insulation failure detection operates after automobile enters high pressure power-up state, further ensures that the insulation performance of the vehicle circuitry 10 is complete
It is good, guarantee driving safety.
Optionally, the electric car is configured with car key, on device basic shown in Fig. 4, as shown in figure 5, the dress
Set 400 further include: the first low-pressure control module 471, when for being requested in the starting for receiving the car key transmission, according to institute
It states the starting request control electric car and enters low pressure power-up state；
And/or as shown in dotted portion in Fig. 5, described device 400 includes: the second low-pressure control module 472, is used for
When determining that the car key enters the preset range on the electric car periphery, controls the electric car and enter low pressure and power on shape
State.In this way, the electric car can be made to enter low pressure power-up state in advance before driver enters vehicle, and execute above-mentioned
Insulation monitoring operation to the vehicle circuitry 10.In the specific implementation, can also by adjusting the size of the preset range,
Enter the time that low pressure powers in advance to adjust the electric car.For example, the preset range is adjusted to 50m, user is taken
After band car key enters the range, that is, start to execute above-mentioned Insulation monitoring operation, to reduce the waiting time of user in the car.
Optionally, on device basic shown in Fig. 4, as shown in figure 5, described device 400 further include: fault processing module
480, for forbidding the electric car to enter height when insulation fault occurs for the positive route and/or the anode circuit
Press power-up state.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Fig. 6 is a kind of vehicle circuitry insulation detection device 600 of electric car shown according to an exemplary embodiment
Block diagram.As shown in fig. 6, the vehicle circuitry insulation detection device 600 of the electric car may include: processor 601, memory
602, multimedia component 603, input/output (I/O) interface 604 and communication component 605.
Wherein, processor 601 is used to control the integrated operation of the vehicle circuitry insulation detection device 600 of the electric car,
The all or part of the steps in vehicle circuitry insulation detecting method to complete above-mentioned electric car.Memory 602 is for depositing
Various types of data are stored up to support the operation in the vehicle circuitry insulation detection device 600 of the electric car, these data examples
It such as may include any application or method for being operated on the vehicle circuitry insulation detection device 600 of the electric car
Instruction and the relevant data of application program, such as judging whether the positive route or the anode circuit are sent out
The resistance threshold information of raw insulation fault, the message of transmitting-receiving, audio, etc..The memory 602 can be by any kind of volatile
Property or non-volatile memory device or their combination realize, such as static random access memory (Static Random
Access Memory, abbreviation SRAM), electrically erasable programmable read-only memory (Electrically Erasable
Programmable Read-Only Memory, abbreviation EEPROM), Erasable Programmable Read Only Memory EPROM (Erasable
Programmable Read-Only Memory, abbreviation EPROM), programmable read only memory (Programmable Read-
Only Memory, abbreviation PROM), read-only memory (Read-Only Memory, abbreviation ROM), magnetic memory, flash
Device, disk or CD.Multimedia component 603 may include screen and audio component.Wherein screen for example can be touch screen, sound
Frequency component is used for output and/or input audio signal.For example, audio component may include a microphone, microphone is for connecing
Receive external audio signal.The received audio signal can be further stored in memory 602 or be sent out by communication component 605
It send.Audio component further includes at least one loudspeaker, is used for output audio signal.I/O interface 604 is processor 601 and other
Interface is provided between interface module, other above-mentioned interface modules can be keyboard, mouse, button etc..These buttons can be void
Quasi- button or entity button.Vehicle circuitry insulation detection device 600 of the communication component 605 for the electric car is set with other
Wired or wireless communication is carried out between standby.Wireless communication, such as Wi-Fi, bluetooth, near-field communication (Near Field
Communication, abbreviation NFC), 2G, 3G or 4G or they one or more of combination, therefore corresponding communication
Component 605 may include: Wi-Fi module, bluetooth module, NFC module.
In one exemplary embodiment, the vehicle circuitry insulation detection device 600 of electric car can be one or more
At application specific integrated circuit (Application Specific Integrated Circuit, abbreviation ASIC), digital signal
Manage device (Digital Signal Processor, abbreviation DSP), digital signal processing appts (Digital Signal
Processing Device, abbreviation DSPD), programmable logic device (Programmable Logic Device, referred to as
PLD), field programmable gate array (Field Programmable Gate Array, abbreviation FPGA), controller, microcontroller
Device, microprocessor or other electronic components are realized, for executing the vehicle circuitry insulation detecting method of above-mentioned electric car.
In a further exemplary embodiment, a kind of computer readable storage medium including program instruction, example are additionally provided
It such as include the memory 602 of program instruction, above procedure instruction can be by the vehicle circuitry insulation detection device 600 of electric car
Processor 601 is executed to complete the vehicle circuitry insulation detecting method of above-mentioned electric car.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (12)
1. a kind of vehicle circuitry insulation detecting method of electric car, the vehicle circuitry includes power battery, the first insulation inspection
Survey module, the second insulation monitoring module, main positive relay, main negative relay, load circuit；
The first end of first insulation monitoring module is connected with the anode of the power battery, first insulation monitoring module
Second end ground connection, first insulation monitoring module include first detection relay；
The first end of second insulation monitoring module is connected with the cathode of the power battery, second insulation monitoring module
Second end ground connection, second insulation monitoring module include second detection relay；
The positive relay first end of master is connected with the anode of the power battery, and the positive relay second end of master is born with described
The first end for carrying circuit is connected；
The negative relay first end of master is connected with the cathode of the power battery, and the negative relay second end of master is born with described
The second end for carrying circuit is connected；
Wherein, the positive circuit between the second end of the load circuit of the power battery is electrode line road；It is described dynamic
Circuit between the cathode of power battery and the first end of the load circuit is anode circuit；
It is characterized in that, the method includes executing following Insulation monitoring operation:
Control the positive relay of the master and the second detection relay closure, and the negative relay of the master and first detection
Relay disconnects, and detects the resistance value of the first equivalent resistance of the power battery anode over the ground, according to the described first equivalent electricity
The resistance value of resistance judges whether the positive route occurs insulation fault；And/or
Control the negative relay of the master and the first detection relay closure, and the positive relay of the master and second detection
Relay disconnects, and detects the resistance value of the second equivalent resistance of the power battery cathode over the ground, according to the described second equivalent electricity
The resistance value of resistance judges whether the anode circuit occurs insulation fault.
2. the method according to claim 1, wherein the method also includes:
If insulation fault does not occur for the anode route and the anode circuit, the acousto-optic system of the electric car is controlled
Target operational mode is switched to, the operation for making the electric car enter high pressure power-up state to prompt driver to execute；
If detecting the operational order for making the electric car enter high pressure power-up state, the positive relay of the master and institute are controlled
Main negative relay closure is stated, so that the load circuit accesses high-voltage electricity.
3. according to the method described in claim 2, it is characterized in that, the load circuit access high-voltage electricity after, the method
Further include:
The first detection relay closure is controlled, the second detection relay is disconnected, to form the first high tension loop, and examined
The resistance value for surveying the third equivalent resistance of the power battery anode over the ground, according to the judgement of the resistance value of the third equivalent resistance
Whether the first high tension loop occurs insulation fault；And/or
The second detection relay closure is controlled, the first detection relay is disconnected, to form the second high tension loop, and examined
The resistance value for surveying the 4th equivalent resistance of the power battery cathode over the ground, according to the judgement of the resistance value of the 4th equivalent resistance
Whether the second high tension loop occurs insulation fault.
4. method according to any one of claims 1 to 3, which is characterized in that the electric car is configured with car key,
Before executing the Insulation monitoring operation, the method also includes:
When receiving the starting request that the car key is sent, entered according to the starting request control electric car low
Press power-up state；And/or
When determining that the car key enters the preset range on the electric car periphery, controls the electric car and enter low pressure
Power-up state.
5. the method according to claim 1, wherein the method also includes:
If insulation fault occurs for the anode route and/or the anode circuit, the electric car is forbidden to enter in high pressure
Electricity condition.
6. a kind of vehicle circuitry insulation detection device of electric car, the vehicle circuitry includes power battery, the first insulation inspection
Survey module, the second insulation monitoring module, main positive relay, main negative relay, load circuit；
The first end of first insulation monitoring module is connected with the anode of the power battery, first insulation monitoring module
Second end ground connection, first insulation monitoring module include first detection relay；
The first end of second insulation monitoring module is connected with the cathode of the power battery, second insulation monitoring module
Second end ground connection, second insulation monitoring module include second detection relay；
The positive relay first end of master is connected with the anode of the power battery, and the positive relay second end of master is born with described
The first end for carrying circuit is connected；
The negative relay first end of master is connected with the cathode of the power battery, and the negative relay second end of master is born with described
The second end for carrying circuit is connected；
Wherein, the positive circuit between the second end of the load circuit of the power battery is electrode line road；It is described dynamic
Circuit between the cathode of power battery and the first end of the load circuit is anode circuit；
It is characterized in that, described device includes executing with lower module:
First control module, for controlling the positive relay of the master and the second detection relay closure, and the master it is negative after
Electric appliance and the first detection relay disconnect；The first resistance value detection module, for detecting the power battery anode over the ground
The resistance value of first equivalent resistance；First judgment module, for judging the electrode line according to the resistance value of first equivalent resistance
Whether road occurs insulation fault；And/or
Second control module, for control the negative relay of the master and it is described first detection relay closure, and the master just after
Electric appliance and the second detection relay disconnect；The second resistance value detection module, for detecting the power battery cathode over the ground
The resistance value of second equivalent resistance；Second judgment module, for judging the negative line according to the resistance value of second equivalent resistance
Whether road occurs insulation fault.
7. device according to claim 5, which is characterized in that described device further include:
Controlled by sound and light module, for when insulation fault does not occur for the positive route and the anode circuit, described in control
The acousto-optic system of electric car switches to target operational mode, enters the electric car in high pressure to prompt driver to execute
The operation of electricity condition；
High voltage control module, for controlling when detecting the operational order for making the electric car enter high pressure power-up state
The positive relay of master and the negative relay closure of the master, so that the load circuit accesses high-voltage electricity.
8. device according to claim 7, which is characterized in that described device further include:
Third control module, for after the load circuit accesses high-voltage electricity, controlling the first detection relay closure, institute
The disconnection of the second detection relay is stated, to form the first high tension loop；Third resistance value detection module, for detecting the power battery
The resistance value of the third equivalent resistance of anode over the ground；Third judgment module, for being judged according to the resistance value of the third equivalent resistance
Whether first high tension loop occurs insulation fault；And/or
4th control module, for after the load circuit accesses high-voltage electricity, controlling the second detection relay closure, institute
The disconnection of the first detection relay is stated, to form the second high tension loop；4th resistance value detection module, for detecting the power battery
The resistance value of the 4th equivalent resistance of cathode over the ground；4th judgment module, for being judged according to the resistance value of the 4th equivalent resistance
Whether second high tension loop occurs insulation fault.
9. according to the described in any item devices of claim 6 to 8, which is characterized in that the electric car is configured with car key, institute
State device further include:
First low-pressure control module, for being requested according to the starting when receiving the starting request that the car key is sent
It controls the electric car and enters low pressure power-up state；And/or
Second low-pressure control module, for controlling when determining that the car key enters the preset range on the electric car periphery
It makes the electric car and enters low pressure power-up state.
10. the apparatus according to claim 1, which is characterized in that described device further include:
Fault processing module, for forbidding the electricity when insulation fault occurs for the positive route and/or the anode circuit
Electrical automobile enters high pressure power-up state.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of any one of claims 1 to 5 the method is realized when execution.
12. a kind of vehicle circuitry insulation detection device of electric car, which is characterized in that described device includes:
Computer readable storage medium described in claim 11；And
One or more processor, for executing the program in the computer readable storage medium.
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Cited By (18)
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|---|---|---|---|---|
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| CN110426556A (en) * | 2019-08-14 | 2019-11-08 | 江铃控股有限公司 | Vehicle megger test method and apparatus |
| CN110967557A (en) * | 2019-02-25 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Detection circuit and method |
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| CN114290951A (en) * | 2020-12-23 | 2022-04-08 | 华为数字能源技术有限公司 | Starting method and device of electric automobile |
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| TWI766584B (en) * | 2020-02-24 | 2022-06-01 | 大陸商上海蔚來汽車有限公司 | Power battery insulation monitoring method, system and device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426326A (en) * | 2011-09-08 | 2012-04-25 | 惠州市亿能电子有限公司 | Detection method of electric automobile insulating performance |
| CN103033729A (en) * | 2012-11-26 | 2013-04-10 | 浙江高泰昊能科技有限公司 | Insulation detection circuit and detection method used for battery box |
| CN203894326U (en) * | 2014-04-11 | 2014-10-22 | 东莞中山大学研究院 | Insulation resistance measuring circuit and high voltage insulation monitoring system of electric vehicle |
| CN106226670A (en) * | 2016-09-05 | 2016-12-14 | 深圳市沛城电子科技有限公司 | The insulation detecting circuit of electric automobile and method |
| CN106291282A (en) * | 2016-08-11 | 2017-01-04 | 北京新能源汽车股份有限公司 | The insulation monitoring and warning device of a kind of dynamical system and method |
| US20170003354A1 (en) * | 2004-12-21 | 2017-01-05 | Battelle Energy Alliance, Llc | Energy storage cell impedance measuring apparatus, methods and related systems |
| US20170016951A1 (en) * | 2014-10-02 | 2017-01-19 | Lg Chem, Ltd. | Insulation resistance measuring device and method capable of rapidly measuring insulation resistance |
-
2017
- 2017-06-29 CN CN201710516239.8A patent/CN109212385B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170003354A1 (en) * | 2004-12-21 | 2017-01-05 | Battelle Energy Alliance, Llc | Energy storage cell impedance measuring apparatus, methods and related systems |
| CN102426326A (en) * | 2011-09-08 | 2012-04-25 | 惠州市亿能电子有限公司 | Detection method of electric automobile insulating performance |
| CN103033729A (en) * | 2012-11-26 | 2013-04-10 | 浙江高泰昊能科技有限公司 | Insulation detection circuit and detection method used for battery box |
| CN203894326U (en) * | 2014-04-11 | 2014-10-22 | 东莞中山大学研究院 | Insulation resistance measuring circuit and high voltage insulation monitoring system of electric vehicle |
| US20170016951A1 (en) * | 2014-10-02 | 2017-01-19 | Lg Chem, Ltd. | Insulation resistance measuring device and method capable of rapidly measuring insulation resistance |
| CN106461733A (en) * | 2014-10-02 | 2017-02-22 | 株式会社Lg化学 | Insulation resistance measuring device and method capable of rapidly measuring insulation resistance |
| CN106291282A (en) * | 2016-08-11 | 2017-01-04 | 北京新能源汽车股份有限公司 | The insulation monitoring and warning device of a kind of dynamical system and method |
| CN106226670A (en) * | 2016-09-05 | 2016-12-14 | 深圳市沛城电子科技有限公司 | The insulation detecting circuit of electric automobile and method |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884480A (en) * | 2019-02-12 | 2019-06-14 | 南京金龙新能源汽车研究院有限公司 | A kind of offline insulating detection equipment of vehicle and its detection method |
| CN110967557A (en) * | 2019-02-25 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Detection circuit and method |
| WO2020173429A1 (en) * | 2019-02-25 | 2020-09-03 | 宁德时代新能源科技股份有限公司 | Detection circuit and method |
| US11258278B2 (en) | 2019-02-25 | 2022-02-22 | Contemporary Amperex Technology Co., Limited | Detection circuit and method |
| CN110426556A (en) * | 2019-08-14 | 2019-11-08 | 江铃控股有限公司 | Vehicle megger test method and apparatus |
| CN110426556B (en) * | 2019-08-14 | 2021-12-07 | 江铃控股有限公司 | Method for testing insulation resistance of whole vehicle |
| CN112706627B (en) * | 2019-10-09 | 2022-10-14 | 北京新能源汽车股份有限公司 | Insulation detection circuit and method and electric automobile |
| CN112706627A (en) * | 2019-10-09 | 2021-04-27 | 北京新能源汽车股份有限公司 | Insulation detection circuit and method and electric automobile |
| TWI766584B (en) * | 2020-02-24 | 2022-06-01 | 大陸商上海蔚來汽車有限公司 | Power battery insulation monitoring method, system and device |
| CN113376435A (en) * | 2020-03-09 | 2021-09-10 | 北京新能源汽车股份有限公司 | Insulation monitoring circuit and method and electric automobile |
| CN113376435B (en) * | 2020-03-09 | 2023-06-02 | 北京新能源汽车股份有限公司 | Insulation monitoring circuit and method and electric automobile |
| CN113479062B (en) * | 2020-03-17 | 2022-12-20 | 上海汽车集团股份有限公司 | Monitoring device and method for high-voltage circuit of battery, power system and automobile |
| CN113479062A (en) * | 2020-03-17 | 2021-10-08 | 上海汽车集团股份有限公司 | Monitoring device and method for high-voltage circuit of battery, power system and automobile |
| CN112721741A (en) * | 2020-04-02 | 2021-04-30 | 长城汽车股份有限公司 | Insulation detection method and device for fuel cell vehicle and vehicle |
| CN114076878A (en) * | 2020-08-14 | 2022-02-22 | 北京新能源汽车股份有限公司 | Insulation detection method and device, control equipment and automobile |
| CN112217255B (en) * | 2020-09-29 | 2023-05-02 | 青岛特来电新能源科技有限公司 | Vehicle and charging control system thereof |
| CN112217255A (en) * | 2020-09-29 | 2021-01-12 | 青岛特来电新能源科技有限公司 | Vehicle and charging control system thereof |
| CN112462279A (en) * | 2020-11-23 | 2021-03-09 | 北京车和家信息技术有限公司 | Battery pack abnormality detection method and device, power battery system and vehicle |
| CN112578300A (en) * | 2020-11-30 | 2021-03-30 | 珠海格力电器股份有限公司 | Detection device and method for insulation resistance of power battery and automobile |
| CN114290951A (en) * | 2020-12-23 | 2022-04-08 | 华为数字能源技术有限公司 | Starting method and device of electric automobile |
| CN112731088A (en) * | 2020-12-25 | 2021-04-30 | 中国第一汽车股份有限公司 | Vehicle high-voltage circuit detection method and device, vehicle and storage medium |
| CN112858849A (en) * | 2021-01-08 | 2021-05-28 | 度普(苏州)新能源科技有限公司 | Off-line detection method and device with insulation detection function |
| CN112684361A (en) * | 2021-01-25 | 2021-04-20 | 潍柴动力股份有限公司 | Battery insulation resistance detection method, device and system |
| CN114670631A (en) * | 2021-03-24 | 2022-06-28 | 北京新能源汽车股份有限公司 | Relay detection method and device and electric automobile |
| CN114325228A (en) * | 2021-12-23 | 2022-04-12 | 蜂巢能源科技股份有限公司 | Method and system for positioning insulation fault point of energy storage system and storage medium |
| CN114325228B (en) * | 2021-12-23 | 2023-10-13 | 蜂巢能源科技股份有限公司 | Insulation fault point positioning method, system and storage medium for energy storage system |
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Denomination of invention: Complete vehicle circuit insulation detection method and device of electric vehicle Effective date of registration: 20211213 Granted publication date: 20201113 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
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Date of cancellation: 20231201 Granted publication date: 20201113 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |