CN117755132A - Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle - Google Patents

Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle Download PDF

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Publication number
CN117755132A
CN117755132A CN202311624045.1A CN202311624045A CN117755132A CN 117755132 A CN117755132 A CN 117755132A CN 202311624045 A CN202311624045 A CN 202311624045A CN 117755132 A CN117755132 A CN 117755132A
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China
Prior art keywords
state
management system
battery management
electronic lock
quick
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CN202311624045.1A
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Chinese (zh)
Inventor
谷志鹏
马香明
刘西学
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GAC Aion New Energy Automobile Co Ltd
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GAC Aion New Energy Automobile Co Ltd
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Priority to CN202311624045.1A priority Critical patent/CN117755132A/en
Publication of CN117755132A publication Critical patent/CN117755132A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The application provides a quick-charge electronic lock unlocking control method, a device, electronic equipment, a storage medium and an electric vehicle, wherein the quick-charge electronic lock unlocking control method comprises the following steps: judging whether the battery management system is in a direct current charging state or not and whether the direct current charging state is latched or not based on the state of the battery management system; acquiring an insulation detection state of the power supply equipment and judging whether the power supply equipment is in an insulation state or not based on the insulation detection state of the power supply equipment; when the power supply equipment is in an insulating state, continuously sending a power-on request to the battery management system, so that the battery management system detects the voltage outside the quick-charge sub-lock through the high-voltage loop; and acquiring the voltage outside the quick-charging electronic lock sent by the battery management system, and unlocking the quick-charging electronic lock based on the voltage outside the quick-charging electronic lock. The utility model discloses a can be under the prerequisite that has not increased the hard wire wiring in the quick charge relay outside, realize the detection of quick charge relay outside voltage and based on quick charge relay outside voltage control quick charge sub-lock unblock.

Description

Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle
Technical Field
The application relates to the technical field of electric vehicles, in particular to a quick-charge sub-lock unlocking control method, a quick-charge sub-lock unlocking control device, electronic equipment, storage media and an electric vehicle.
Background
At present, after the direct current charging of the electric vehicle is finished, the electric lock can be driven to unlock only after the voltage at the outer side of the quick charging relay is smaller than 60V, so that the electric shock of a user is avoided, and the electricity utilization safety of the user is ensured.
In order to detect the voltage outside the quick charging relay after the direct current charging of the electric vehicle is finished, hard wire distribution points are added outside the quick charging relay in the prior art so as to be used for detecting the voltage outside the quick charging relay. However, this approach has the following disadvantages: the hard wire distribution points are required to be added on the outer side of the quick charging relay, and the hard wire distribution points are added on the outer side of the quick charging relay, so that the complexity of the structure is improved, and the hardware change is increased.
Disclosure of Invention
An object of the embodiment of the application is to provide a quick charge electronic lock unlocking control method, a quick charge electronic lock unlocking control device, electronic equipment, a storage medium and an electric vehicle, which are used for realizing detection of voltage outside a quick charge relay and controlling unlocking of the quick charge electronic lock based on the voltage outside the quick charge relay on the premise that hard wire wiring points are not required to be added outside the quick charge relay.
In a first aspect, the present invention provides a method for controlling unlocking of a quick-charging electronic lock, the method comprising:
detecting a state of a battery management system;
judging whether the battery management system is in a direct-current charging end state or not based on the state of the battery management system;
when the battery management system is in the direct-current charging end state and the direct-current charging state of the battery management system is latched, acquiring an insulation detection state of power supply equipment and judging whether the power supply equipment is in the insulation state or not based on the insulation detection state of the power supply equipment, wherein when the battery management system is in the direct-current charging end state, a high-voltage loop for detecting the voltage outside a quick charge sub-lock is in an off state;
when the power supply equipment is in the insulating state, continuously sending a power-on request to the battery management system so as to enable the state of the battery management system to be switched to a working state, and enabling the battery management system to detect the voltage outside the quick-charging electronic lock through the high-voltage loop, wherein when the battery management system is in the working state, the high-voltage loop is in a closed state;
and acquiring the voltage outside the quick charge electronic lock sent by the battery management system, and unlocking the quick charge electronic lock based on the voltage outside the quick charge electronic lock.
According to the method, whether the battery management system is in a direct-current charging end state or not can be judged based on the state of the battery management system, and further when the battery management system is in the direct-current charging end state and the direct-current charging state of the battery management system is latched, the insulation detection state of power supply equipment can be obtained, and whether the power supply equipment is in the insulation state or not is judged based on the insulation detection state of the power supply equipment, wherein when the battery management system is in the direct-current charging end state, a high-voltage loop for detecting the voltage outside a quick charge sub-lock is in an off state, and further when the power supply equipment is in the insulation state, a power-on request can be continuously sent to the battery management system, so that the state of the battery management system is switched to an operating state, and the battery management system can detect the voltage outside the quick charge electronic lock through the high-voltage loop, and when the battery management system is in the operating state, the high-voltage loop is in a closed state, so that the voltage outside the quick charge sub-lock sent by the battery management system can be obtained, and the quick charge electronic lock is unlocked based on the voltage outside the quick charge sub-lock. Compared with the prior art, the method and the device have the advantages that the battery management system can be in the direct-current charging end state, the direct-current charging state of the battery management system is latched, and when the power supply equipment is in the insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick-charging sub-lock can be detected through the closing of the high-voltage loop, and compared with the prior art, hard wire distribution points do not need to be added outside the quick-charging sub-lock, so that the structural complexity is reduced.
In an optional embodiment, the unlocking the fast-charging sub-lock based on the fast-charging electronic lock outside voltage includes:
judging whether the voltage at the outer side of the quick charge electronic lock is smaller than 60V;
and when the voltage at the outer side of the quick charge electronic lock is smaller than 60V, unlocking the quick charge electronic lock.
According to the alternative embodiment, whether the voltage at the outer side of the quick charge electronic lock is smaller than 60V or not is judged, and then the quick charge electronic lock can be unlocked when the voltage at the outer side of the quick charge electronic lock is smaller than 60V, so that the quick charge electronic lock can be prevented from being unlocked when the voltage at the outer side of the quick charge electronic lock is larger than or equal to 60V, and the electric shock risk of a user is reduced.
In an alternative embodiment, before said unlocking said quick charge electronic lock, said method further comprises:
judging whether the quick charge electronic lock is in a locking state or not;
and when the quick charge electronic lock is in the locking state, executing unlocking of the quick charge electronic lock.
According to the alternative embodiment, whether the quick charge electronic lock is in the locking state or not is judged, and then unlocking can be executed when the quick charge electronic lock is in the locking state, so that the quick charge electronic lock can be prevented from being repeatedly unlocked when the quick charge electronic lock is in the unlocking state.
In an alternative embodiment, the method further comprises:
and when the duration time of the battery management system in the working state is equal to 60s and the voltage outside the quick charge electronic lock is greater than or equal to 60V, unlocking the quick charge electronic lock is executed.
According to the alternative embodiment, when the duration of the battery management system in the working state is equal to 60s and the voltage at the outer side of the quick charge electronic lock is greater than or equal to 60V, unlocking the quick charge electronic lock can be executed, so that when the duration of the working state is equal to 60s and the voltage at the outer side of the quick charge electronic lock is greater than or equal to 60V, the quick charge electronic lock can be forcedly unlocked, and the waiting time of a user is prevented from being overlong.
In an alternative embodiment, the method further comprises:
and stopping sending the power-on request to the battery management system when the voltage outside the quick-charging electronic lock is less than 60V and lasts for 100 ms.
The alternative embodiment can stop sending the power-up request to the battery management system when the voltage outside the quick-charging electronic lock is less than 60V and lasts for 100ms, so that the power-up request can be repeatedly sent to the battery management system for a long time.
In an alternative embodiment, the method further comprises:
and stopping sending the power-on request to the battery management system when the duration of the battery management system in the working state is equal to 10ms and the voltage at the outer side of the quick-charging electronic lock is more than or equal to 60V.
According to the alternative embodiment, when the duration that the battery management system is in the working state is equal to 10ms, and the voltage at the outer side of the quick charge electronic lock is greater than or equal to 60V, the power-on request is stopped from being sent to the battery management system, so that the voltage at the outer side of the quick charge electronic lock can be regarded as continuously unsatisfied, and the power-on request is prevented from being sent to the battery management system repeatedly for a long time.
In a second aspect, the present invention provides a quick charge electronic lock unlocking control device, the device comprising:
the detection module is used for detecting the state of the battery management system;
a first judging module, configured to judge whether the battery management system is in a dc charging end state based on a state of the battery management system;
a first obtaining module, configured to obtain an insulation detection state of a power supply device and determine whether the power supply device is in an insulation state based on the insulation detection state of the power supply device when the battery management system is in the direct current charging end state and the direct current charging state of the battery management system is latched, where, when the battery management system is in the direct current charging end state, a high-voltage loop for detecting a voltage outside a quick charge sub-lock is in an off state;
the request module is used for continuously sending a power-on request to the battery management system when the power supply equipment is in the insulating state so as to enable the state of the battery management system to be switched to a working state and enable the battery management system to detect the voltage outside the quick-charging electronic lock through the high-voltage loop, wherein the high-voltage loop is in a closed state when the battery management system is in the working state;
and the second acquisition module is used for acquiring the voltage outside the quick charge electronic lock sent by the battery management system and unlocking the quick charge electronic lock based on the voltage outside the quick charge electronic lock.
The device of the application can judge whether the battery management system is in a direct current charging end state or not based on the state of the battery management system by detecting the state of the battery management system, and further can acquire the insulation detection state of the power supply equipment and judge whether the power supply equipment is in the insulation state based on the insulation detection state of the power supply equipment when the battery management system is in the direct current charging end state, wherein when the battery management system is in the direct current charging end state, a high-voltage loop for detecting the voltage outside a quick charge sub-lock is in an off state, and further can continuously send a power-on request to the battery management system when the power supply equipment is in the insulation state, so that the state of the battery management system is switched to an operating state, and the battery management system can detect the voltage outside the quick charge electronic lock through the high-voltage loop, and the high-voltage loop is in a closed state when the battery management system is in the operating state, so that the voltage outside the quick charge sub-lock sent by the battery management system can be acquired, and the quick charge electronic lock is unlocked based on the voltage outside the quick charge sub-lock. Compared with the prior art, the method and the device have the advantages that the battery management system can be in the direct-current charging end state, the direct-current charging state of the battery management system is latched, and when the power supply equipment is in the insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick-charging sub-lock can be detected through the closing of the high-voltage loop, and compared with the prior art, hard wire distribution points do not need to be added outside the quick-charging sub-lock, so that the structural complexity is reduced.
In a third aspect, the present invention provides an electronic device comprising:
a processor; and
a memory configured to store machine readable instructions that, when executed by the processor, perform the quick charge electronic lock unlocking control method of any of the preceding embodiments.
According to the electronic equipment, through the unlocking control method of the quick-charging electronic lock, when the battery management system is in the direct-current charging end state, the direct-current charging state of the battery management system is latched, and the power supply equipment is in the insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick-charging electronic lock can be detected through the high-voltage loop.
In a fourth aspect, the present invention provides a storage medium storing a computer program that is executed by a processor to perform the quick charge electronic lock unlocking control method according to any one of the foregoing embodiments.
According to the storage medium, through the unlocking control method of the quick charge electronic lock, when the battery management system is in the direct current charging end state, the direct current charging state of the battery management system is latched, and the power supply equipment is in the insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick charge electronic lock can be detected through the high-voltage loop.
In a fifth aspect, the present invention provides an electric vehicle for performing the quick charge electronic lock unlocking control method according to any one of the foregoing embodiments.
According to the electric vehicle, through the unlocking control method of the quick charge electronic lock, when the battery management system is in the direct current charging end state, the direct current charging state of the battery management system is latched, and the power supply equipment is in the insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick charge electronic lock can be detected through the high-voltage loop.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a quick charge electronic lock unlocking control method disclosed in an embodiment of the present application;
fig. 2 is a schematic structural diagram of an unlocking control device of a quick-charging electronic lock disclosed in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
Example 1
Referring to fig. 1, fig. 1 is a flow chart of a quick charge electronic lock unlocking control method disclosed in an embodiment of the present application, and as shown in fig. 1, the method in the embodiment of the present application includes the following steps:
101. detecting a state of a battery management system;
102. judging whether the battery management system is in a direct-current charging end state or not based on the state of the battery management system;
103. when the battery management system is in a direct-current charging end state and the direct-current charging state of the battery management system is latched, acquiring an insulation detection state of the power supply equipment and judging whether the power supply equipment is in the insulation state based on the insulation detection state of the power supply equipment, wherein when the battery management system is in the direct-current charging end state, a high-voltage loop for detecting the voltage outside the quick charge sub-lock is in an off state;
104. when the power supply equipment is in an insulating state, continuously sending a power-on request to the battery management system so as to enable the state of the battery management system to be switched to a working state, and enabling the battery management system to detect the voltage outside the quick-charging electronic lock through the high-voltage loop, wherein when the battery management system is in the working state, the high-voltage loop is in a closed state;
105. and acquiring the voltage outside the quick-charging electronic lock sent by the battery management system, and unlocking the quick-charging electronic lock based on the voltage outside the quick-charging electronic lock.
According to the method, through detecting the state of the battery management system, whether the battery management system is in a direct-current charging end state or not can be judged based on the state of the battery management system, and further when the battery management system is in the direct-current charging end state and the direct-current charging state of the battery management system is latched, the insulation detection state of the power supply equipment can be obtained, whether the power supply equipment is in the insulation state or not is judged based on the insulation detection state of the power supply equipment, wherein when the battery management system is in the direct-current charging end state, a high-voltage loop for detecting the voltage outside the quick-charge sub-lock is in an off state, and further when the power supply equipment is in the insulation state, a power-on request can be continuously sent to the battery management system, so that the state of the battery management system is switched to a working state, and the battery management system can detect the voltage outside the quick-charge sub-lock through the high-voltage loop, when the battery management system is in the working state, the high-voltage loop is in a closed state, and therefore the voltage outside the quick-charge sub-lock sent by the battery management system can be obtained, and the quick-charge sub-lock is unlocked based on the voltage outside the quick-charge sub-lock. Compared with the prior art, the method and the device have the advantages that the high-voltage loop is closed by sending the power-on request to the battery management system when the battery management system is in the direct-current charging end state, the direct-current charging state of the battery management system is latched and the power supply equipment is in the insulating state, so that the voltage outside the quick-charging sub-lock can be detected through the high-voltage loop, and compared with the prior art, hard wire distribution points do not need to be added outside the quick-charging sub-lock, so that the structural complexity is reduced.
In this embodiment of the present application, specifically, after the dc charging for the battery is started, the battery management system may switch to a down-set state, and in the down-set state, the high-voltage circuit is in an off state, that is, the battery cannot supply power to the load through the high-voltage circuit, so that the battery management system cannot acquire a relevant detection signal, for example, cannot acquire a detection result of the voltage outside the quick charge sub-lock through the high-voltage circuit while the high-voltage circuit is disconnected. Aiming at the technical problem, in the prior art, on the premise of disconnecting a high-voltage loop, the battery management system can still detect the voltage outside the quick-charge sub-lock through the added hardware point distribution when the high-voltage loop is disconnected by adding the hardware point distribution, however, the novel technical problem is introduced, namely the complexity of a hardware structure is increased. According to the embodiment of the application, through the steps, the high-voltage loop can be closed through the power-on request under proper conditions, so that the voltage on the outer side of the quick-charging electronic lock can be detected by using the closing of the high-voltage loop, and hardware distribution is not required to be increased.
In the embodiment of the present application, the BATTERY management system refers to BMS (BATTERY MANAGEMENT SYSTEM), wherein for the specific description thereof, please refer to the prior art, and the description thereof is omitted herein.
In the embodiment of the present application, for step 101, one specific way to detect the state of the battery management system may be:
acquiring parameters stored in a register;
inquiring BMS_HVBattSt parameters from the parameters stored in the register;
the state of the battery management system is determined according to the bms_hvbattst parameter.
Further, for step 102, specifically, when bms_hvbattst=5, it indicates that the battery management system is in the dc charge end state.
Further, for step 102, a value may be read from the latch, and if the value is 8, it may indicate that the battery management system is in the dc charging state at the last time, that is, the dc charging end state at the current time of the battery management system is converted from the dc charging state at the last time.
In this embodiment, for step 103, a specific manner of obtaining the insulation detection state of the power supply device and determining whether the power supply device is in the insulation state based on the insulation detection state of the power supply device may be:
acquiring parameters stored in a register;
inquiring the hpp_bDcChgFctCoup parameter from the parameters stored in the register;
and determining the insulation detection state of the power supply equipment according to the hpp_bdchgchfctcoupler parameter, wherein when hpp_bdchgchfctcoupler=1, the power supply equipment is in the insulation state.
In the embodiment of the application, aiming at step 103, whether the power supply equipment is in an insulating state is judged, so that unlocking of the quick-charging electronic lock when the power supply equipment is still in a power supply state can be avoided, and the electric shock risk of a user is reduced.
In the embodiment of the present application, for step 104, a specific way to switch the state of the battery management system to the working state is as follows: the value of bms_hvbattst is modified to 4, i.e., bms_hvbattst=4.
In this embodiment of the present application, a specific way to obtain the voltage at the outer side of the fast-charging electronic lock sent by the battery management system is:
acquiring parameters stored in a register;
inquiring BMS_DCVolt parameters from the parameters stored in the register;
and taking the value of the BMS_DCVolt parameter as the external voltage of the quick charge electronic lock.
In the embodiment of the present application, as an optional implementation manner, the steps include: unlocking the quick-charging electronic lock based on the voltage at the outer side of the quick-charging electronic lock, comprising the following steps:
judging whether the voltage at the outer side of the quick charge electronic lock is smaller than 60V;
and when the voltage at the outer side of the quick charge electronic lock is smaller than 60V, unlocking the quick charge electronic lock.
According to the alternative embodiment, whether the voltage at the outer side of the quick charge sub-lock is smaller than 60V or not is judged, and then the quick charge sub-lock can be unlocked when the voltage at the outer side of the quick charge sub-lock is smaller than 60V, so that the quick charge sub-lock can be prevented from being unlocked when the voltage at the outer side of the quick charge sub-lock is larger than or equal to 60V, and the electric shock risk of a user is reduced.
In an embodiment of the present application, as an optional implementation manner, before unlocking the quick charge electronic lock, the method of the embodiment of the present application further includes the following steps:
judging whether the quick charge electronic lock is in a locking state or not;
when the quick charge electronic lock is in a locked state, unlocking the quick charge electronic lock is performed.
According to the alternative embodiment, whether the quick charge sub-lock is in the locking state is judged, and then unlocking of the quick charge sub-lock can be executed when the quick charge sub-lock is in the locking state, so that repeated unlocking of the quick charge sub-lock can be prevented when the quick charge sub-lock is in the unlocking state.
For the above optional embodiment, a specific way to determine whether the quick charge sub-lock is in the locked state is:
acquiring parameters stored in a register;
querying vpc_bLockState1 from the parameters stored in the register;
and judging whether the quick charge electronic lock is in a locking state according to the value of the vpc_bLockState1, wherein when the vpc_bLockState 1=1, the quick charge electronic lock is in the locking state.
In an embodiment of the present application, as an optional implementation manner, the method of the embodiment of the present application further includes the following steps:
when the duration of the battery management system in the operating state is equal to 60s and the voltage outside the quick charge sub-lock is equal to or greater than 60V, unlocking the quick charge sub-lock is performed.
According to the alternative embodiment, when the duration of the battery management system in the working state is equal to 60s and the voltage outside the quick charge sub-lock is greater than or equal to 60V, unlocking of the quick charge sub-lock can be executed, so that when the duration of the working state is equal to 60s and the voltage outside the quick charge sub-lock is greater than or equal to 60V, the quick charge sub-lock can be forcedly unlocked, and the overlong waiting time of a user is avoided.
In an embodiment of the present application, as an optional implementation manner, the method of the embodiment of the present application further includes the following steps:
and stopping sending the power-on request to the battery management system when the voltage outside the quick-charging electronic lock is less than 60V and lasts for 100 ms.
This alternative embodiment can stop sending the power-up request to the battery management system when the voltage outside the quick charge electronic lock is less than 60V and lasts for 100ms, so that the power-up request can be repeatedly sent to the battery management system for a long time.
In an embodiment of the present application, as an optional implementation manner, the method of the embodiment of the present application further includes the following steps:
and when the duration of the battery management system in the working state is equal to 10ms, and the voltage at the outer side of the quick charge sub-lock is greater than or equal to 60V, stopping sending a power-on request to the battery management system.
According to the alternative embodiment, when the duration that the battery management system is in a working state is equal to 10ms, the voltage at the outer side of the quick charge sub-lock is greater than or equal to 60V, and the power-on request is stopped from being sent to the battery management system, so that the voltage at the outer side of the quick charge sub-lock can be regarded as continuously unsatisfied, and the power-on request is prevented from being sent to the battery management system repeatedly for a long time.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a quick charge electronic lock unlocking control device disclosed in an embodiment of the present application, and as shown in fig. 2, the device in the embodiment of the present application includes the following functional modules:
a detection module 201 for detecting a state of the battery management system;
a first judging module 202, configured to judge whether the battery management system is in a dc charging end state based on a state of the battery management system;
a first obtaining module 203, configured to obtain an insulation detection state of the power supply device and determine whether the power supply device is in an insulation state based on the insulation detection state of the power supply device when the battery management system is in a dc charging end state and the dc charging state of the battery management system is latched, where, when the battery management system is in a dc charging result state, a high-voltage loop for detecting a voltage outside the quick charge sub-lock is in an off state;
the request module 204 is configured to continuously send a power-on request to the battery management system when the power supply device is in an insulating state, so that the state of the battery management system is switched to a working state, and the battery management system detects the voltage outside the fast-charging electronic lock through the high-voltage loop, where the high-voltage loop is in a closed state when the battery management system is in the working state;
the second obtaining module 205 is configured to obtain the voltage at the outside of the fast-charging electronic lock sent by the battery management system, and unlock the fast-charging electronic lock based on the voltage at the outside of the fast-charging electronic lock.
According to the device, whether the battery management system is in a direct current charging state and whether the direct current charging state is latched or not can be judged based on the state of the battery management system, and further when the battery management system is in a direct current charging end state, the insulation detection state of the power supply equipment can be obtained, whether the power supply equipment is in the insulation state or not can be judged based on the insulation detection state of the power supply equipment, wherein when the battery management system is in the direct current charging end state, a high-voltage loop for detecting the voltage outside the quick charge sub-lock is in an off state, and further when the power supply equipment is in the insulation state, a power-on request can be continuously sent to the battery management system, so that the state of the battery management system is switched to a working state, and the battery management system can detect the voltage outside the quick charge sub-lock through the high-voltage loop, and when the battery management system is in the working state, the high-voltage loop is in a closed state, so that the voltage outside the quick charge sub-lock sent by the battery management system can be obtained, and the quick charge sub-lock is unlocked based on the voltage outside the quick charge sub-lock. Compared with the prior art, the method and the device have the advantages that the high-voltage loop is closed by sending the power-on request to the battery management system when the battery management system is in the direct-current charging end state, the direct-current charging state of the battery management system is latched and the power supply equipment is in the insulating state, so that the voltage outside the quick-charging sub-lock can be detected through the high-voltage loop, and compared with the prior art, hard wire distribution points do not need to be added outside the quick-charging sub-lock, so that the structural complexity is reduced.
It should be noted that, for other detailed descriptions of the apparatus in the embodiments of the present application, please refer to the related descriptions in the first embodiment of the present application, which are not repeated herein.
Example III
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electronic device disclosed in an embodiment of the present application, and as shown in fig. 3, the electronic device in the embodiment of the present application includes:
a processor 301; and
a memory 302 configured to store machine readable instructions that, when executed by the processor 301, perform a quick charge electronic lock unlocking control method as in any of the previous embodiments.
According to the electronic equipment, through the unlocking control method of the quick-charging electronic lock, when the battery management system is in a direct-current charging end state, the battery management direct-current charging state is latched, and the power supply equipment is in an insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick-charging electronic lock can be detected through the high-voltage loop, and compared with the prior art, hard wire distribution points do not need to be added outside the quick-charging electronic lock, and therefore the structural complexity is reduced.
Example IV
The present embodiment provides a storage medium storing a computer program that is executed by a processor to perform the quick charge electronic lock unlocking control method according to any one of the foregoing embodiments.
According to the storage medium, through the unlocking control method of the quick charge electronic lock, when the battery management system is in a direct current charging end state, the direct current charging state of the battery management system is latched, and the power supply equipment is in an insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick charge electronic lock can be detected through the closing of the high-voltage loop, and compared with the prior art, hard wire distribution points do not need to be added outside the quick charge electronic lock, and therefore the structural complexity is reduced.
Example five
The embodiment of the application provides an electric vehicle, which is used for executing the quick-charging electronic lock unlocking control method according to any one of the previous embodiments.
According to the electric vehicle disclosed by the embodiment of the application, through the unlocking control method of the quick-charging electronic lock, when the battery management system is in the direct-current charging end state, the direct-current charging state of battery management is latched, and the power supply equipment is in the insulating state, the high-voltage loop is closed by sending a power-on request to the battery management system, so that the voltage outside the quick-charging electronic lock can be detected through the closing of the high-voltage loop, and compared with the prior art, the hard wire distribution point does not need to be added outside the quick-charging electronic lock, and the structural complexity is reduced.
It should be noted that, the electric vehicle in the embodiment of the present application may be a pure electric vehicle or a plug-in hybrid vehicle. In addition, the battery car of this application embodiment is equipped with whole car control system VCU and battery management system, and wherein, whole car control system VCU is connected with battery management system, and then when whole car control system VCU can send the power-on request to battery management system.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.
Further, the units described as separate units may or may not be physically separate, and units displayed as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
Furthermore, functional modules in various embodiments of the present application may be integrated together to form a single portion, or each module may exist alone, or two or more modules may be integrated to form a single portion.
It should be noted that the functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM) random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above is only an example of the present application, and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. The method for controlling unlocking of the quick-charging electronic lock is characterized by comprising the following steps:
detecting a state of a battery management system;
judging whether the battery management system is in a direct-current charging end state or not based on the state of the battery management system;
when the battery management system is in the direct-current charging end state and the direct-current charging state of the battery management system is latched, acquiring an insulation detection state of power supply equipment and judging whether the power supply equipment is in the insulation state or not based on the insulation detection state of the power supply equipment, wherein when the battery management system is in the direct-current charging end state, a high-voltage loop for detecting the voltage outside a quick charge sub-lock is in an off state;
when the power supply equipment is in the insulating state, continuously sending a power-on request to the battery management system so as to enable the state of the battery management system to be switched to a working state, and enabling the battery management system to detect the voltage outside the quick-charging electronic lock through the high-voltage loop, wherein when the battery management system is in the working state, the high-voltage loop is in a closed state;
and acquiring the voltage outside the quick charge electronic lock sent by the battery management system, and unlocking the quick charge electronic lock based on the voltage outside the quick charge electronic lock.
2. The method of claim 1, wherein unlocking the fast charge sub-lock based on the fast charge sub-lock outside voltage comprises:
judging whether the voltage at the outer side of the quick charge electronic lock is smaller than 60V;
and when the voltage at the outer side of the quick charge electronic lock is smaller than 60V, unlocking the quick charge electronic lock.
3. The method of claim 2, wherein prior to said unlocking said quick charge electronic lock, said method further comprises:
judging whether the quick charge electronic lock is in a locking state or not;
and when the quick charge electronic lock is in the locking state, executing unlocking of the quick charge electronic lock.
4. The method of claim 2, wherein the method further comprises:
and when the duration time of the battery management system in the working state is equal to 60s and the voltage outside the quick charge electronic lock is greater than or equal to 60V, unlocking the quick charge electronic lock is executed.
5. The method of claim 1, wherein the method further comprises:
and stopping sending the power-on request to the battery management system when the voltage outside the quick-charging electronic lock is less than 60V and lasts for 100 ms.
6. The method of claim 1, wherein the method further comprises:
and stopping sending the power-on request to the battery management system when the duration of the battery management system in the working state is equal to 10ms and the voltage at the outer side of the quick-charging electronic lock is more than or equal to 60V.
7. A quick charge sub-lock unlock control device, said device comprising:
the detection module is used for detecting the state of the battery management system;
a first judging module, configured to judge whether the battery management system is in a dc charging end state based on a state of the battery management system;
a first obtaining module, configured to obtain an insulation detection state of a power supply device and determine whether the power supply device is in an insulation state based on the insulation detection state of the power supply device when the battery management system is in the direct current charging end state and the direct current charging state of the battery management system is latched, where, when the battery management system is in the direct current charging end state, a high-voltage loop for detecting a voltage outside a quick charge sub-lock is in an off state;
the request module is used for continuously sending a power-on request to the battery management system when the power supply equipment is in the insulating state so as to enable the state of the battery management system to be switched to a working state and enable the battery management system to detect the voltage outside the quick-charging electronic lock through the high-voltage loop, wherein the high-voltage loop is in a closed state when the battery management system is in the working state;
and the second acquisition module is used for acquiring the voltage outside the quick charge electronic lock sent by the battery management system and unlocking the quick charge electronic lock based on the voltage outside the quick charge electronic lock.
8. An electronic device, comprising:
a processor; and
a memory configured to store machine readable instructions that, when executed by the processor, perform the quick charge electronic lock unlocking control method of any one of claims 1-6.
9. A storage medium storing a computer program that is executed by a processor to perform the quick charge electronic lock unlocking control method according to any one of claims 1 to 6.
10. An electric vehicle for performing the quick charge electronic lock unlocking control method according to any one of claims 1 to 6.
CN202311624045.1A 2023-11-28 2023-11-28 Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle Pending CN117755132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311624045.1A CN117755132A (en) 2023-11-28 2023-11-28 Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311624045.1A CN117755132A (en) 2023-11-28 2023-11-28 Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle

Publications (1)

Publication Number Publication Date
CN117755132A true CN117755132A (en) 2024-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311624045.1A Pending CN117755132A (en) 2023-11-28 2023-11-28 Unlocking control method and device for quick-charging electronic lock, electronic equipment, storage medium and electric vehicle

Country Status (1)

Country Link
CN (1) CN117755132A (en)

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