CN112046308A - Control method of new energy vehicle charging port electronic lock control system - Google Patents
Control method of new energy vehicle charging port electronic lock control system Download PDFInfo
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- CN112046308A CN112046308A CN202010898146.8A CN202010898146A CN112046308A CN 112046308 A CN112046308 A CN 112046308A CN 202010898146 A CN202010898146 A CN 202010898146A CN 112046308 A CN112046308 A CN 112046308A
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- electronic lock
- unlocking
- locking
- executing
- controller
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The invention provides a control method of a new energy vehicle charging port electronic lock control system meeting functional safety requirements. The invention can effectively control the locking or unlocking of the electronic lock, protect the electronic lock and the vehicle when the electronic lock has a related fault, and greatly improve the safety level.
Description
Technical Field
The invention relates to the technical field of new energy vehicles, in particular to a control method of a new energy vehicle charging port electronic lock control system.
Background
According to GB/T18487, in order to ensure the high-voltage safety when the vehicle is charged, the charging gun has an electronic lock function when the charging current is more than 16A, and the large current is prevented from being plugged in and pulled out in a hot-line manner. With the increasing maturity and rapid popularization of new energy vehicles, the application of electronic locks to new energy vehicles is more and more common and important.
At present, the electronic lock control scheme mainly stays in the locking and unlocking functions of the electronic lock, and does not consider the processing measures of the electronic lock which has faults or communication faults.
Reference patent: CN201710004379.7 an electric automobile charges mouthful electronic lock control method and system, this method is: detecting whether a charging gun is connected or not, and controlling the electronic lock to keep a locking state if the charging gun is detected to be connected; if the charging gun is not connected, controlling the electronic lock to keep an unlocking state; monitoring whether an unlocking command is received, and if the unlocking command is received, controlling the electronic lock to execute an unlocking operation; and if the unlocking command is not received, continuing monitoring. By the method, when the electronic lock executes locking and unlocking operations, the analysis and judgment processes of a driver are reduced, and the intelligent identification function of the locking and unlocking operations of the electronic lock of the electric automobile is realized. The system comprises a vehicle control unit, a vehicle body controller and an electronic lock, and is characterized in that the vehicle control unit is used for detecting whether a charging gun is connected or not, and controlling the electronic lock to keep a locking state if the charging gun is detected to be connected; if the charging gun is not connected, controlling the electronic lock to keep an unlocking state; the vehicle body controller is used for monitoring whether an unlocking command is received or not, transmitting the unlocking command to the vehicle control unit if the unlocking command is monitored, and controlling the electronic lock to execute an unlocking operation after the vehicle control unit receives the unlocking command; and if the unlocking command is not received, the vehicle body controller continues monitoring.
Disclosure of Invention
The invention aims at the problems and provides a control method of a new energy vehicle charging port electronic lock control system which meets the functional safety requirements, the electronic lock can be effectively controlled to be locked or unlocked, meanwhile, the electronic lock and the vehicle can be protected when the electronic lock has a related fault, and the safety level is greatly improved.
In order to achieve the purpose, the technical scheme of the invention is as follows: a control method of an electronic lock control system of a charging port of a new energy vehicle is characterized in that the electronic lock control system comprises an electronic lock and a controller, and is characterized in that the electronic lock is provided with a locking mechanism, an executing mechanism and a microswitch, wherein the end A of the controller is a locking control end, the end B is an unlocking control end, and the end C is a microswitch monitoring end; the end A and the end B of the controller are respectively connected with an electronic lock actuating mechanism, the end C of the controller is connected with a microswitch, and the controller drives the actuating mechanism to lock the electronic lock by pulling the level of the end A low and pulling the level of the end B high; the controller drives the actuating mechanism to realize unlocking of the electronic lock by pulling up the level of the A end and pulling down the level of the B end; the C end of the controller monitors the state of the electronic lock through the microswitch, if the microswitch is closed, the electronic lock is in a locked state, and if the microswitch is opened, the electronic lock is in an unlocked state; the control method comprises the following steps:
s1: the controller receives the request of the external controller, judges whether the communication is normal, if so, executes S2; otherwise, executing one-time unlocking operation, and simultaneously limiting the external charging power to prevent the vehicle from being incapable of moving due to non-unlocking;
s2: judging whether a locking instruction is received or not, if so, executing locking operation; otherwise, executing S3;
s3: judging whether an unlocking instruction is received or not, if so, executing one-time unlocking operation; otherwise, executing S4;
s4: judging whether the control end circuit has hardware faults, if so, executing S5; otherwise, the lock is not locked or unlocked, and the current lock/unlock state is returned;
s5: judging whether the locking control end A is short-circuited to the ground, if so, pulling down the level of the unlocking control end B to prevent the electronic lock from being in a continuous locking working state and damaging the electronic lock due to the short-circuited ground of the locking control end A, and then executing S6; otherwise, directly executing S6;
s6: judging whether the unlocking control end B is short-circuited to the ground, if so, pulling down the level of the locking control end A to prevent the electronic lock from being in a continuous unlocking working state and damaging the electronic lock due to the short-circuited ground of the unlocking control end B, and then executing S7; otherwise, directly executing S7;
s7: and returning to the hardware fault state of the electronic lock, and simultaneously limiting the external charging power.
Further, the specific steps of the locking operation in S2 include:
s8: after receiving the locking command, performing locking action and accumulating locking time, and then performing S9;
s9: judging whether the electronic lock is in a locked state, if so, clearing the locking instruction and returning to the locked state; otherwise, executing S10;
s10: judging whether the locking is overtime or not, if so, clearing the locking instruction, returning to the locking overtime and limiting the external charging power; otherwise, S8 is executed again.
Further, the specific steps of the unlocking operation in S3 are:
s11: after receiving the unlocking instruction, executing unlocking action and accumulating unlocking time, and then executing S12;
s12: judging whether the electronic lock is in an unlocking state, if so, clearing an unlocking instruction, and returning to the unlocked state; otherwise, executing S13;
s13: judging whether the unlocking is overtime, if so, clearing an unlocking instruction, returning to the unlocking overtime and limiting the external charging power; otherwise, S11 is executed again.
The invention provides a new energy vehicle charging port electronic lock control method meeting functional safety requirements. The electronic lock can be effectively controlled to be locked or unlocked, meanwhile, the electronic lock and the vehicle can be protected when the electronic lock is in a related fault, the running function of the whole vehicle is not influenced as much as possible, and the safety level is greatly improved.
Drawings
Fig. 1 is a schematic composition diagram of a charging port electronic lock control system of a new energy vehicle.
FIG. 2 is a main control flow chart of the present invention.
FIG. 3 is a locking control flow chart of the present invention.
Fig. 4 is an unlocking control flowchart of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in conjunction with the accompanying drawings to make it clear to those skilled in the art how to practice the present invention. While the invention has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the invention.
As shown in the figure, as shown in fig. 1, the new energy vehicle charging port electronic lock control system comprises an electronic lock 1 and a controller 2. The electronic lock comprises a locking mechanism 11, an actuating mechanism 12 and a microswitch 13. The A end of the controller 2 is a locking control end, the B end is an unlocking control end, and the C end is a microswitch monitoring end.
The end A and the end B of the controller 2 are respectively connected with an actuating mechanism 12 of the electronic lock 1, the end C of the controller is connected with a microswitch 13, and the controller 2 drives the actuating mechanism 12 to lock the electronic lock by pulling the level of the end A low and the level of the end B high; the controller 2 drives the actuating mechanism 12 to unlock the electronic lock by pulling up the level of the end A and pulling down the level of the end B. The C end of the controller 2 monitors the state of the electronic lock 1 through the micro switch 13, if the micro switch 13 is closed, the electronic lock 1 is in a locking state, and if the micro switch 13 is opened, the electronic lock 1 is in an unlocking state.
The control method of the new energy vehicle charging port electronic lock control system meeting the functional safety requirement comprises an electronic lock control main process, a locking control process and an unlocking control process.
As shown in fig. 2, the main flow of electronic lock control specifically includes the following steps:
s1: the controller 2 receives the request of the external controller, judges whether the communication is normal, if so, executes S2; otherwise, the unlocking operation is executed once, and the external charging power is limited, so that the situation that the vehicle cannot move due to non-unlocking is prevented.
S2: judging whether a locking instruction is received or not, if so, executing locking operation; otherwise, S3 is executed.
S3: judging whether an unlocking instruction is received or not, if so, executing one-time unlocking operation; otherwise, S4 is executed.
S4: judging whether the control end circuit has hardware faults, if so, executing S5; otherwise, the lock is not locked or unlocked, and the current lock/unlock state is returned. The hardware fault of the control end circuit includes, but is not limited to, a short circuit of the a end or the B end to the ground, a short circuit of the power supply, or an open circuit fault. The controller confirms whether corresponding faults occur by monitoring the difference value of the actual voltage of the PIN PIN at the A/B terminal and the expected voltage.
S5: judging whether the locking control end A is short-circuited to the ground, if so, pulling down the level of the unlocking control end B to prevent the electronic lock 1 from being in a continuous locking working state and damaging the electronic lock 1 due to the short-circuited ground of the locking control end A, and then executing S6; otherwise, S6 is executed.
S6: judging whether the unlocking control end B is short-circuited to the ground, if so, pulling down the level of the locking control end A to prevent the electronic lock 1 from being in a continuous unlocking working state and damaging the electronic lock 1 due to the short-circuited ground of the unlocking control end B, and then executing S7; otherwise, S7 is executed.
S7: and returning to the hardware fault state of the electronic lock, and simultaneously limiting the external charging power.
The hardware fault of the control end circuit includes, but is not limited to, a short circuit of the a end or the B end to the ground, a short circuit of the power supply, or an open circuit fault.
The locking control process, as shown in fig. 3, specifically includes the following steps:
s8: after receiving the locking command, the controller 2 drives the actuator 12 to perform the locking operation by pulling the terminal a level low and pulling the terminal B level high, and accumulates the locking time, and then performs S9.
S9: judging whether the electronic lock 1 is in a locking state, if so, clearing a locking instruction and returning to the locking state; otherwise, S10 is executed.
S10: judging whether the locking is overtime (if the accumulated locking time exceeds a set value, the locking is considered to be overtime), if so, clearing the locking instruction, returning to the locking overtime and limiting the external charging power; otherwise, S8 is executed again.
The unlocking control process, as shown in fig. 4, specifically includes the following steps:
s11: after receiving the unlocking command, the controller 2 drives the actuator 12 to perform the unlocking action and accumulate the unlocking time by pulling up the level of the a terminal and pulling down the level of the B terminal, and then performs S12.
S12: the controller 2 monitors the state of the microswitch 13 through the end C, judges whether the electronic lock 1 is in an unlocking state, and if so, clears an unlocking instruction and returns to the unlocked state; otherwise, S13 is executed.
S13: judging whether the unlocking is overtime (if the accumulated unlocking time exceeds a set value, the unlocking is overtime is considered), if so, clearing an unlocking instruction, returning to the unlocking overtime and limiting the external charging power; otherwise, S11 is executed again.
It should be noted that many variations and modifications of the embodiments of the present invention fully described are possible and are not to be considered as limited to the specific examples of the above embodiments. The above examples are given by way of illustration of the invention and are not intended to limit the invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (3)
1. A control method of an electronic lock control system of a charging port of a new energy vehicle is characterized in that the electronic lock control system comprises an electronic lock and a controller, and is characterized in that the electronic lock is provided with a locking mechanism, an executing mechanism and a microswitch, wherein the end A of the controller is a locking control end, the end B is an unlocking control end, and the end C is a microswitch monitoring end; the end A and the end B of the controller are respectively connected with an electronic lock actuating mechanism, the end C of the controller is connected with a microswitch, and the controller drives the actuating mechanism to lock the electronic lock by pulling the level of the end A low and pulling the level of the end B high; the controller drives the actuating mechanism to realize unlocking of the electronic lock by pulling up the level of the A end and pulling down the level of the B end; the C end of the controller monitors the state of the electronic lock through the microswitch, if the microswitch is closed, the electronic lock is in a locked state, and if the microswitch is opened, the electronic lock is in an unlocked state; the control method comprises the following steps:
s1: the controller receives the request of the external controller, judges whether the communication is normal, if so, executes S2; otherwise, executing one-time unlocking operation, and simultaneously limiting the external charging power to prevent the vehicle from being incapable of moving due to non-unlocking;
s2: judging whether a locking instruction is received or not, if so, executing locking operation; otherwise, executing S3;
s3: judging whether an unlocking instruction is received or not, if so, executing one-time unlocking operation; otherwise, executing S4;
s4: judging whether the control end circuit has hardware faults, if so, executing S5; otherwise, the lock is not locked or unlocked, and the current lock/unlock state is returned;
s5: judging whether the locking control end A is short-circuited to the ground, if so, pulling down the level of the unlocking control end B to prevent the electronic lock from being in a continuous locking working state and damaging the electronic lock due to the short-circuited ground of the locking control end A, and then executing S6; otherwise, directly executing S6;
s6: judging whether the unlocking control end B is short-circuited to the ground, if so, pulling down the level of the locking control end A to prevent the electronic lock from being in a continuous unlocking working state and damaging the electronic lock due to the short-circuited ground of the unlocking control end B, and then executing S7; otherwise, directly executing S7;
s7: and returning to the hardware fault state of the electronic lock, and simultaneously limiting the external charging power.
2. The control method according to claim 1, wherein the specific step of the locking operation in S2 includes:
s8: after receiving the locking command, performing locking action and accumulating locking time, and then performing S9;
s9: judging whether the electronic lock is in a locked state, if so, clearing the locking instruction and returning to the locked state; otherwise, executing S10;
s10: judging whether the locking is overtime or not, if so, clearing the locking instruction, returning to the locking overtime and limiting the external charging power; otherwise, S8 is executed again.
3. The control method according to claim 1, wherein the specific steps of the unlocking operation in S3 are as follows:
s11: after receiving the unlocking instruction, executing unlocking action and accumulating unlocking time, and then executing S12;
s12: judging whether the electronic lock is in an unlocking state, if so, clearing an unlocking instruction, and returning to the unlocked state; otherwise, executing S13;
s13: judging whether the unlocking is overtime, if so, clearing an unlocking instruction, returning to the unlocking overtime and limiting the external charging power; otherwise, S11 is executed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898146.8A CN112046308A (en) | 2020-08-31 | 2020-08-31 | Control method of new energy vehicle charging port electronic lock control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010898146.8A CN112046308A (en) | 2020-08-31 | 2020-08-31 | Control method of new energy vehicle charging port electronic lock control system |
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| CN112046308A true CN112046308A (en) | 2020-12-08 |
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| CN202010898146.8A Pending CN112046308A (en) | 2020-08-31 | 2020-08-31 | Control method of new energy vehicle charging port electronic lock control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115492474A (en) * | 2022-09-07 | 2022-12-20 | 一汽奔腾轿车有限公司 | Fault diagnosis control method for all-in-one electronic lock of electric vehicle |
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| CN103282592A (en) * | 2010-12-30 | 2013-09-04 | 萨金特制造公司 | Electronic lock with power failure control circuit |
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Application publication date: 20201208 |