WO2023197751A1 - 一种充电桩的还枪维护方法、装置、充电桩及介质 - Google Patents

一种充电桩的还枪维护方法、装置、充电桩及介质 Download PDF

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Publication number
WO2023197751A1
WO2023197751A1 PCT/CN2023/077723 CN2023077723W WO2023197751A1 WO 2023197751 A1 WO2023197751 A1 WO 2023197751A1 CN 2023077723 W CN2023077723 W CN 2023077723W WO 2023197751 A1 WO2023197751 A1 WO 2023197751A1
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WIPO (PCT)
Prior art keywords
gun
return
value
threshold
charging pile
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PCT/CN2023/077723
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English (en)
French (fr)
Inventor
许云峰
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深圳市道通合创数字能源有限公司
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Publication of WO2023197751A1 publication Critical patent/WO2023197751A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • 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
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • 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
    • 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
    • Y02T90/12—Electric charging stations
    • 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

Definitions

  • the present application relates to the technical field of charging piles, and in particular to a charging pile repair and maintenance method, device, charging pile and medium.
  • the traditional charging pile return gun detection relies on threshold detection, specifically by judging the detection threshold of the detection sensor set on the gun holder of the charging pile to determine the gun insertion status.
  • the ultrasonic gun return detection is based on the sensor on the gun holder.
  • the infrared signal sensor detects the intensity of the ultrasonic signal reflected by the gun head to complete the recharge detection. When the intensity is greater than the preset value, it is considered that the charging gun is inserted back into the socket; when the intensity is less than the preset threshold, it is considered that the charging gun is not inserted into the socket.
  • the inventor of the present application found that when using threshold detection to return the gun, due to the aging of the detection module components of the charging gun and the charging pile, or differences in the installation environment, etc., the actual detected value There is a large difference from the standard value, resulting in abnormal judgment. The user may have returned the gun, but it was not detected, which greatly affects the user experience and increases after-sales costs.
  • the purpose of the embodiments of this application is to provide a charging pile return maintenance method, device, charging pile and medium. At the end of charging, it can independently detect whether a return abnormality occurs and the authenticity of the abnormality. If an abnormality occurs, the threshold is redetermined. , to restore normal gun control.
  • embodiments of the present application provide a charging pile return maintenance method, which is applied to the charging pile.
  • the charging pile is provided with a gun holder, and the charging pile is connected to the charging gun; the method include:
  • the second return-fire signal value is less than the return-fire threshold, it is determined that the return-fire is abnormal, and the return-fire threshold and/or the withdrawal threshold are re-determined.
  • redetermining the return-fire threshold includes:
  • the return gun threshold is updated to the first difference.
  • the method further includes:
  • the second difference is less than the second preset constant value, and the third difference is less than or equal to the sum of the first preset constant value and the second preset constant value, then maintain the Return the gun threshold and determine that the distance sensor on the gun base is damaged.
  • the method further includes:
  • the return value is The gun threshold is updated to the first difference, and the gun drawing threshold is updated to the sum of the minimum gun drawing value and the first preset constant value.
  • the charging pile is communicatively connected to a smart terminal; after determining that the distance sensor on the gun base is damaged, the method further includes:
  • the method further includes:
  • prompt information is sent to the smart terminal, and the prompt information is used to prompt the user that the gun has not been returned; the smart terminal is used to return the returned gun.
  • Gun feedback information is used to prompt the user that the gun has not been returned.
  • the method further includes:
  • the return threshold and the draw threshold are maintained.
  • embodiments of the present application also provide a charging pile return gun maintenance device, which is applied to the charging pile.
  • the charging pile is provided with a gun holder, and the charging pile is connected to the charging gun; the device includes:
  • the acquisition module is configured to acquire the first return signal value of the gun base when the charging pile is in the charging end state.
  • An update module configured to determine whether the second return-to-fire signal value is less than the return-to-fire signal value if feedback information about a return-to-fire signal is received and the first return-to-fire signal value is updated to a second return-to-fire signal value;
  • a first confirmation module configured to determine that the return of fire is normal if the second return of fire signal value is not less than the return of fire threshold
  • the second confirmation module is configured to determine that the return of fire is abnormal and re-determine the return of fire threshold and/or the withdrawal threshold if the second return of fire signal value is less than the return of fire threshold.
  • this application also provides a charging pile, which includes:
  • a memory the memory is communicatively connected to the processor, the memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor The method as described in the first aspect can be performed.
  • the present application also provides a computer-readable storage medium.
  • the computer-readable storage medium stores computer-executable instructions.
  • the charging pile is caused to execute as follows: The method described in any one of the first aspects.
  • the embodiments of the present application provide a charging pile maintenance method, device, charging pile and medium.
  • the charging pile detects that it is in the charging end state, it obtains the charging pile.
  • the first return signal value of the base is to detect whether the charging gun is in the state of returning the gun at this time; if the feedback information of the return gun is received and the first return signal value is updated to the second return signal value, it means that the user
  • the charging gun may have been inserted back into the gun holder, causing the return signal value to change.
  • the second return signal value obtained after the update is less than the return threshold value to determine the authenticity of the possible abnormality and avoid continued misjudgments; If the value of the second return gun signal is not less than the return gun threshold, it is determined that the return gun is normal, which means that the return gun detection module on the gun base is in normal working condition; if the value of the second return gun signal is less than the If the return gun threshold is specified above, it is determined that the return gun is abnormal, and the return gun detection module may be in a fault state, and the return gun threshold and/or the gun withdrawal threshold are re-determined to restore the normal control of the gun return, so as to improve the accuracy of the gun return detection. .
  • Figure 1 is an interaction diagram between the charging pile and the charging gun of this application
  • FIG. 2 is a schematic flow chart of an embodiment of the charging pile maintenance method of the present application.
  • Figure 3 is an interaction diagram between the charging pile, the charging gun and the smart terminal in this application;
  • FIG. 4 is a schematic structural diagram of an embodiment of the charging pile maintenance device of the present application.
  • FIG. 5 is a schematic diagram of the hardware structure of the controller in one embodiment of the charging pile of the present application.
  • the charging pile 10 includes a controller 11 and a charging gun base 100, and the charging pile 10 is connected to the charging gun 20;
  • the gun base 100 provided on the pile 10 allows the charging gun 20 to be inserted into the gun base 100 to realize the user's gun return operation;
  • the gun base 100 is provided with a distance sensor, and the gun head of the charging gun 20 is provided with an ultrasonic or infrared signal transmitting module , the distance sensor and the ultrasonic or infrared signal transmitting module constitute the gun return detection module.
  • the distance sensor on the gun base 100 can detect the signal strength on the gun head.
  • the signal detected by the distance sensor When the gun head of the charging gun 20 is closer to the gun base, the signal detected by the distance sensor The greater the intensity, when the signal intensity value detected by the distance sensor is greater than the gun return threshold, the gun return is considered successful; when the gun head of the charging gun 20 is farther away from the gun base, the signal intensity detected by the distance sensor is smaller.
  • the distance sensor When the distance sensor When the detected signal strength value is less than the gun withdrawal threshold, it is considered that the gun withdrawal is successful, and when the charging gun is connected to the charging port of the electric vehicle after the gun is withdrawn, so that the charging pile is in the charging state, the signal strength value detected by the distance sensor Minimum.
  • FIG 2 is a schematic flowchart of an embodiment of a charging pile maintenance method applied to the present application.
  • the method can be executed by the controller 11 in the charging pile.
  • the method includes steps S201 to S203.
  • the user's smart terminal 30 is connected to the charging pile 10.
  • the smart terminal 30 is provided with applications related to controlling the charging pile 10.
  • the user can use the smart terminal to
  • the application on 30 can send some control instructions to the charging pile 10, such as starting charging instructions and/or stopping charging instructions.
  • the charging pile 10 receives the start charging instruction sent by the smart terminal 30, if the charging gun 20 is connected to the charging port of the electric vehicle, it will start charging the electric vehicle; when the charging is completed, or the user sends a stop charging instruction through the smart terminal 30.
  • the charging pile reaches 10 the charging order is completed and the charging is completed. Therefore, the charging end state detected by the charging pile 10 may be the situation when the user completes the charging order for the electric vehicle using the charging gun.
  • the controller 11 of the charging pile 10 acquires the first return signal value of the gun base 100 after a period of time (such as half a minute) after the charging is completed. Since the user may not insert the charging gun 20 back into the gun holder 100 in time after charging, the charging pile 10 sets the period of time to give the user an opportunity to return the gun in time to avoid immediately detecting the return as soon as the order is completed. The gun signal value causes inaccurate detection.
  • the controller 11 of the charging pile 10 determines the value of the first return signal. If the value of the first return signal is less than the return threshold Tr1, the charging pile 10 determines that the charging gun is in a non-return state. At this time, the charging pile 10. Send prompt information to the smart terminal 30. The prompt information is used to remind the user that the gun has not been returned; the smart terminal 30 is used to return feedback information that the gun has been returned.
  • the value of the first return gun signal is not less than the return gun threshold Tr1, it means that the charging gun 20 is in the return gun state, and the return gun detection module of the charging pile 10 is operating normally, and there is no need to adjust the threshold. At this time, the return gun is maintained Threshold and draw threshold.
  • the charging pile when the charging pile sends a prompt message to the smart terminal, the user will perform corresponding operations after seeing the prompt message, otherwise the order will be in an uncompleted state. If the user knows clearly that he has returned the gun, he can click the "Return the gun" button in the smart terminal application. Then, the charging pile receives the feedback information that the gun has been returned. If the position of the charging gun has not changed, the gun The first return signal value detected by the gun base is maintained; if the position of the charging gun changes, the first return signal value detected by the gun base will be updated to the second return signal value.
  • the user can also click the "Return the gun” button in the smart terminal application, and insert the charging gun into the gun holder.
  • the first return signal signal value will Updated to the second return signal value, and the charging pile will also receive the return feedback information.
  • the charging pile determines whether the second return-fire signal value is less than the return-fire signal value. By judging whether the second return gun signal value is less than the return gun threshold, it can be determined whether the return gun detection module on the gun holder of the charging pile is working normally. If the return gun detection module fails, then even if the user has returned the gun, it will still display "Not a gun". Returning fire leads to poor user experience, so the fault of the return gun module needs to be corrected.
  • the charging pile determines that the return gun is normal and can send a "return gun successful" prompt message to the smart terminal. .
  • the charging pile can set a preset time, and the preset time can be two minutes, and it is judged within two minutes whether the second return gun signal value V2 is greater than or equal to the return gun threshold Tr1, or the second return gun signal value V2 changes to greater than or equal to the return gun threshold Tr1, it means that the return gun detection module is normal.
  • the preset time can be two minutes, and it is judged within two minutes whether the second return gun signal value V2 is greater than or equal to the return gun threshold Tr1, or the second return gun signal value V2 changes to greater than or equal to the return gun threshold Tr1, it means that the return gun detection module is normal.
  • the first return gun signal value is updated to the second return gun signal value, The user forgot to return the gun. At this time, there is no need to perform threshold update processing.
  • the charging pile determines that the return The gun is abnormal, and the gun return threshold and/or gun withdrawal threshold are re-determined.
  • the charging pile can set a preset time, and the preset time can be two minutes, that is, it is judged within two minutes whether the second return gun signal value V2 is less than the return gun threshold Tr1, or is continuously less than the return gun threshold Tr1. If the second return gun signal value V2 is less than the return gun threshold Tr1, or is continuously less than the return gun threshold Tr1, it indicates that the return gun is abnormal and triggers a threshold update.
  • Thresholds include a return threshold and/or a draw threshold.
  • redetermining the return-fire threshold may include:
  • the return gun threshold is updated to the first difference.
  • the first return gun signal value is subtracted from the first preset constant value to obtain the first difference.
  • the second return gun signal value is represented by V1
  • the first The preset constant value is represented by Tr_CONST
  • the second preset constant value is represented by Tr_Delta_Min
  • the signal strength value detected when the charging pile and charging gun are removed from the factory cannot be directly used as the threshold. It is usually used in An offset is superimposed on the signal strength value as a threshold. Therefore, the offset is the first preset constant value Tr_CONST; the second preset constant value Tr_Delta_Min is the return threshold Tr1 and the withdrawal threshold Tr2. The minimum difference that needs to be maintained between the thresholds.
  • the method further includes:
  • the second difference is less than the second preset constant value, and the third difference is less than or equal to the sum of the first preset constant value and the second preset constant value, then maintain the Return the gun threshold and determine that the distance sensor on the gun base is damaged.
  • the minimum value of the gun holder V2_Min is obtained when the charging pile is in the charging state.
  • the detected signal strength value of the charging gun that is, when the charging gun is inserted into the electric vehicle for charging, the signal strength value detected by the gun base is the minimum value when the gun is pulled out.
  • the third difference value Tr1'-V2_Min
  • the second difference value is less than the second preset constant value
  • the The third difference value is less than or equal to the sum of the first preset constant value and the second preset constant value, that is, if the second difference value Tr1'-Tr2 ⁇ Tr_Delta_Min, and Tr1'-V2_Min ⁇ Tr_Delta_Min+Tr_CONST , it means that the return gun detection module is damaged, resulting in inaccurate detection. At this time, there is no need to re-determine the return gun threshold and/or the gun withdrawal threshold Tr1. The return gun threshold Tr1 is maintained, and the charging pile determines that the distance sensor on the gun base is damaged. .
  • the charging pile is communicatively connected to a smart terminal; after determining that the distance sensor on the gun base is damaged, the method further includes:
  • the charging pile After the charging pile determines that the distance sensor is damaged, the charging pile sends the information that the distance sensor is damaged to the smart terminal.
  • the smart terminal displays that the gun return module is faulty, so that the user can get the information that the gun return module is faulty, and the smart terminal can continue to display the gun return module failure.
  • the gun module fails and alerts the user.
  • the method further includes:
  • the return value is The gun threshold is updated to the first difference, and the gun drawing threshold is updated to the sum of the minimum gun drawing value and the first preset constant value.
  • the second difference value Tr1'-Tr2 is less than the second preset constant value Tr_Delta_Min, that is, Tr1'-Tr2 ⁇ Tr_Delta_Min, and the third difference value is greater than the first preset constant value
  • Tr_Delta_Min the second preset constant value
  • Tr1'-V2_Min>Tr_Delta_Min+Tr_CONST means that the return gun detection module is not damaged, but the threshold is not enough to meet the requirement of returning the gun or withdrawing the gun. Therefore, both the gun return threshold and the gun withdrawal threshold need to be updated.
  • the first return signal value of the gun base is obtained, that is, it is detected whether the charging gun is in the state of returning the gun at this time; if feedback information of the returned gun is received, and the first return signal value is updated to the The second return signal value indicates that the user may have inserted the charging gun back into the gun holder, causing the return signal value to change. At this time, determine whether the updated second return signal value is less than the return threshold to determine possible abnormalities.
  • the gun return detection module may be in a fault state, and the gun return threshold and/or the gun withdrawal threshold are re-determined to restore normal control of the gun return, so that To improve the accuracy of return gun detection.
  • the embodiment of the present application also provides a charging pile return maintenance device. Please refer to FIG. 4 , which shows the structure of a charging pile return maintenance device provided by an embodiment of the present application.
  • the charging pile return maintenance device 400 includes:
  • the acquisition module 401 is configured to acquire the first return signal value of the gun base when the charging pile is in the charging end state.
  • the update module 402 is used to determine whether the second return signal signal value is less than the return threshold if the return feedback information is received and the first return signal value is updated to the second return signal value;
  • the first confirmation module 403 is used to determine that the return of fire is normal if the second return of fire signal value is not less than the return of fire threshold;
  • the second confirmation module 404 is configured to determine that the return of fire is abnormal if the second return signal signal value is less than the return of fire threshold, and re-determine the return of fire threshold and/or the withdrawal threshold.
  • the first return signal value of the gun base is obtained, that is, it is detected whether the charging gun is in the state of returning the gun at this time; if feedback information of the returned gun is received, and the first return signal value is updated to the The second return signal value indicates that the user may have inserted the charging gun back into the gun holder, causing the return signal value to change. At this time, determine whether the updated second return signal value is less than the return threshold to determine possible abnormalities.
  • the gun return detection module may be in a fault state, and the gun return threshold and/or the gun withdrawal threshold are re-determined to restore normal control of the gun return, so that To improve the accuracy of return gun detection.
  • the second confirmation module 404 is also used to:
  • the return gun threshold is updated to the first difference.
  • the second confirmation module 404 is also used to:
  • the second difference is less than the second preset constant value, and the third difference is less than or equal to the sum of the first preset constant value and the second preset constant value, then maintain the Return the gun threshold and determine that the distance sensor on the gun base is damaged.
  • the second confirmation module 404 is used for:
  • the return value is The gun threshold is updated to the first difference, and the gun drawing threshold is updated to the sum of the minimum gun drawing value and the first preset constant value.
  • the charging pile return gun maintenance device 400 also includes a first sending module 405 for:
  • the charging pile return gun maintenance device 400 also includes a second sending module 406, which is also used for:
  • prompt information is sent to the smart terminal, and the prompt information is used to prompt the user that the gun has not been returned; the smart terminal is used to return the returned gun.
  • Gun feedback information is used to prompt the user that the gun has not been returned.
  • the charging pile maintenance device 400 also includes a maintenance module 407, which is also used for:
  • the return threshold and the draw threshold are maintained.
  • the above-mentioned device can execute the method provided by the embodiment of the present application, and has corresponding functional modules and beneficial effects for executing the method.
  • the above-mentioned device can execute the method provided by the embodiment of the present application, and has corresponding functional modules and beneficial effects for executing the method.
  • the methods provided in the embodiments of this application please refer to the methods provided in the embodiments of this application.
  • FIG. 5 is a schematic diagram of the hardware structure of the controller 11 in an embodiment of the charging pile. As shown in Figure 5, the controller 11 includes:
  • a processor 111 and a memory 112 are taken as an example.
  • the processor 111 and the memory 112 can be connected through a bus or other means.
  • the connection through a bus is taken as an example.
  • the memory 112 can be used to store non-volatile software programs, non-volatile computer executable Programs and modules, such as the program instructions/modules corresponding to the charging pile maintenance method in the embodiment of the present application (for example, the acquisition module 401, the update module 402, the first confirmation module 403, the second confirmation module shown in Figure 4 module 404, first sending module 405, second sending module 406, maintenance module 407).
  • the processor 111 executes various functional applications and data processing of the controller 11 by running non-volatile software programs, instructions and modules stored in the memory 112, that is, implementing the charging pile maintenance method of the above method embodiment. .
  • the memory 112 may include a storage program area and a storage data area, wherein the storage program area may store an operating system and an application program required for at least one function; the storage data area may store data created according to the use of the charging pile's maintenance device. wait.
  • the memory 112 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device.
  • the memory 112 optionally includes memories remotely located relative to the processor 111 , and these remote memories can be connected to the charging pile through a network. Examples of the above-mentioned networks include but are not limited to the Internet, intranets, local area networks, mobile communication networks and combinations thereof.
  • the one or more modules are stored in the memory 112, and when executed by the one or more processors 111, perform the charging pile maintenance method in any of the above method embodiments, for example, perform the above description Method steps S201 to S204 in Figure 2; implement the functions of modules 401-407 in Figure 4.
  • Embodiments of the present application provide a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are executed by one or more processors, such as a processor in Figure 5 111, the above one or more processors can be enabled to execute the charging pile maintenance method in any of the above method embodiments, for example, execute the method steps S201 to S204 in Figure 2 described above; implement the method in Figure 4 Functions of modules 401-407.
  • the device embodiments described above are only illustrative.
  • the units described as separate components may or may not be physically separated.
  • the components shown as units may or may not be physical units, that is, they may be located in One location, or it can be distributed across multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each embodiment can be implemented by means of software plus a general hardware platform, and of course can also be implemented by hardware.
  • the program can be stored in a computer-readable storage medium, and the program can be stored in a computer-readable storage medium.
  • the storage medium can be a magnetic disk, an optical disk, a read-only memory (Read-Only Memory, ROM) or a random access memory (Random Access Memory, RAM), etc.

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  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种充电桩的还枪维护方法、装置、充电桩及介质，其中，还枪维护方法包括：在充电桩（10）处于充电结束状态时，获取枪座（100）的第一还枪信号值；如果接收到已还枪反馈信息，且第一还枪信号值更新为第二还枪信号值，则判断第二还枪信号值是否小于还枪阈值；如果第二还枪信号值不小于还枪阈值，则确定还枪正常；如果第二还枪信号值小于还枪阈值，则确定还枪异常，且重新确定还枪阈值和/或拔枪阈值。该方法能够准确判断还枪检测是否异常，如果异常，还枪检测模块可能处于故障状态，且重新确定还枪阈值和/或拔枪阈值，以恢复还枪的正常控制，以便于提高还枪检测的准确性。

Description

一种充电桩的还枪维护方法、装置、充电桩及介质
本申请要求于2022年4月12日提交中国专利局、申请号为202210383674.9、申请名称为“一种充电桩的还枪维护方法、装置、充电桩及介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及充电桩技术领域，尤其涉及一种充电桩的还枪维护方法、装置、充电桩及介质。
背景技术
传统的充电桩还枪检测，依靠阈值检测，具体为通过判断设置在充电桩的枪座上的检测传感器的检测阈值来实现对插枪状态的判断，比如超声波还枪检测就是通过枪座上的红外信号传感器，检测枪头反射的超声波信号的强度来完成还清检测，强度大于预设值时，认为充电枪插回插座；小于预设阈值时，认为充电枪没有插入插座。
本申请发明人在实现本申请实施例的过程中，发现：采用阈值检测还枪操作的时候，由于充电枪和充电桩的检测模块器件老化，或者是安装环境差异等原因，导致实际检测的值和标准值有较大差异，导致异常判断，可能用户已经还枪，但是却未检测出来，十分影响用户体验，增加售后成本。
发明内容
本申请实施例的目的是提供一种充电桩的还枪维护方法、装置、充电桩及介质，在充电结束时，自主检测是否发生还枪异常及异常的真实性，如果发生异常，重新确定阈值，以恢复正常还枪控制。
为解决上述技术问题，本申请实施例采用以下技术方案：
第一方面，本申请实施例中提供给了一种充电桩的还枪维护方法，应用于充电桩，所述充电桩上设有枪座，且所述充电桩与充电枪连接；所述方法包括：
在所述充电桩处于充电结束状态时，获取所述枪座的第一还枪信号值；
如果接收到已还枪反馈信息，且所述第一还枪信号值更新为第二还枪信号值，则判断所述第二还枪信号值是否小于还枪阈值；
如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常；
如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
在一些实施例中，所述重新确定所述还枪阈值，包括：
用所述第二还枪信号值减去第一预设常数值，获得第一差值；
用所述第一差值减去拔枪阈值，获得第二差值；
如果所述第二差值大于等于第二预设常数值，则将所述还枪阈值更新为所述第一差值。
在一些实施例中，在所述用所述第一差值减去拔枪阈值，获得第二差值之后，所述方法还包括：
获取拔枪最小值，所述拔枪最小值为所述充电桩处于充电状态时，获取到的所述枪座检测到的所述充电枪的信号强度值；
用所述第一差值减去所述拔枪最小值，获得第三差值；
如果所述第二差值小于所述第二预设常数值，且所述第三差值小于等于所述第一预设常数值和所述第二预设常数值之和，则维持所述还枪阈值，且确定所述枪座上的距离传感器损坏。
在一些实施例中，在所述获得第三差值之后，所述方法还包括：
如果所述第二差值小于所述第二预设常数值，且所述第三差值大于所述第一预设常数值和所述第二预设常数值之和，则将所述还枪阈值更新为所述第一差值，且将所述拔枪阈值更新为拔枪最小值与第一预设常数值之和。
在一些实施例中，所述充电桩与智能终端通信连接；在所述确定所述枪座上的距离传感器损坏之后，所述方法还包括：
将所述距离传感器损坏的信息发送至所述智能终端。
在一些实施例中，在所述获取第一还枪信号值后，所述方法还包括：
如果所述第一还枪信号值小于所述还枪阈值，则将提示信息发送至所述智能终端，所述提示信息用于提示用户未还枪；所述智能终端用于返回所述已还枪反馈信息。
在一些实施例中，在所述获取所述枪座的第一还枪信号值之后，所述方法还包括：
如果所述第一还枪信号值大于所述还枪阈值，则维持所述还枪阈值和拔枪阈值。
第二方面，本申请实施例还提供一种充电桩的还枪维护装置，应用于充电桩，所述充电桩上设有枪座，且所述充电桩与充电枪连接；所述装置包括：
获取模块，被配置为在所述充电桩处于充电结束状态时，获取所述枪座的第一还枪信号值。
更新模块，被配置为如果接收到已还枪反馈信息，且所述第一还枪信号值更新为第二还枪信号值，则判断所述第二还枪信号值是否小于还枪阈值；
第一确认模块，被配置为如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常；
第二确认模块，被配置为如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
第三方面，本申请还提供一种充电桩，所述充电桩包括：
至少一个处理器，以及
存储器，所述存储器与所述处理器通信连接，所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行如第一方面所述的方法。
第四方面，本申请还提供一种计算机可读存储介质，所述计算机可读存储介质存储有计算机可执行指令，当所述计算机可执行指令被充电桩执行时，使所述充电桩执行如第一方面任一项所述的方法。
本申请实施例的有益效果：区别于现有技术的情况，本申请实施例提供的充电桩的还枪维护方法、装置、充电桩及介质，充电桩在检测到处于充电结束状态时，获取枪座的第一还枪信号值，即检测充电枪此时是否处于已还枪的状态；如果接收到已还枪反馈信息，且第一还枪信号值更新为第二还枪信号值，说明用户可能已经将充电枪插回枪座，导致还枪信号值变化，此时，判断更新后得到的第二还枪信号值是否小于还枪阈值，以判断可能异常的真实性，避免持续误判；如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常，此时说明枪座上的还枪检测模块处于正常工作状态；如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，还枪检测模块可能处于故障状态，且重新确定还枪阈值和/或拔枪阈值，以恢复还枪的正常控制，以便于提高还枪检测的准确性。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本申请充电桩与充电枪的交互图；
图2是本申请充电桩的还枪维护方法的一个实施例的流程示意图；
图3是本申请充电桩的与充电枪及智能终端的交互图；
图4是本申请充电桩的还枪维护装置的一个实施例的结构示意图；
图5是本申请充电桩的一个实施例中控制器的硬件结构示意图。
具体实施方式
下面结合具体实施例对本申请进行详细说明。以下实施例将有助于本领域的技术人员进一步理解本申请，但不以任何形式限制本申请。应当指出的是，对本领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干变形和改进。这些都属于本申请的保护范围。
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
需要说明的是，如果不冲突，本申请实施例中的各个特征可以相互结合，均在本申请的保护范围之内。另外，虽然在装置示意图中进行了功能模块划分，在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于装置中的模块划分，或流程图中的顺序执行所示出或描述的步骤。此外，本文所采用的“第一”、“第二”、“第三”等字样并不对数据和执行次序进行限定，仅是对功能和作用基本相同的相同项或相似项进行区分。
除非另有定义，本说明书所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本说明书中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是用于限制本申请。本说明书所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
此外，下面所描述的本申请各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以相互组合。
本申请实施例提供的充电桩的还枪维护方法和装置可以应用于充电桩，如图1所示，充电桩10包括控制器11和枪座100，且充电桩10与充电枪20连接；充电桩10上设的枪座100，使得充电枪20可以插入枪座100内，实现用户还枪操作；枪座100上设有距离传感器，充电枪20的枪头上设有超声波或红外信号发射模块，距离传感器和超声波或红外信号发射模块构成还枪检测模块，枪座100上的距离传感器能够检测枪头上的信号强度，当充电枪20的枪头越靠近枪座，距离传感器检测到的信号强度越大，当距离传感器检测到的信号强度值大于还枪阈值时，认为还枪成功；当充电枪20的枪头距离枪座越远，距离传感器检测到的信号强度越小，当距离传感器检测到的信号强度值小于拔枪阈值时，认为拔枪成功，且当充电枪在拔枪以后，连接电动汽车的充电口，使得充电桩处于充电状态的时候，距离传感器检测到的信号强度值最小。
请参见图2，为应用于本申请的充电桩的还枪维护方法的实施例的流程示意图，所述方法可以由充电桩中的控制器11执行，该方法包括步骤S201-步骤S203。
S201：在所述充电桩处于充电结束状态时，获取所述枪座的第一还枪信号值。
在用户需要使用充电枪对电动汽车充电的时候，如图3所示，用户的智能终端30与充电桩10通信连接，智能终端30上设置有充电桩10控制相关的应用程序，用户通过智能终端30上的应用程序，可以给充电桩10发送一些控制指令，比如，启动充电指令和/或停止充电指令。当充电桩10接收到智能终端30发送的启动充电指令时，如果充电枪20连接电动汽车的充电口，则开始对电动汽车充电；当充电完成，或者是用户通过智能终端30发送停止充电指令给充电桩10时，该充电订单完成，处于充电结束状态。因此，充电桩10检测到的处于充电结束状态，可以是用户使用充电枪对电动汽车充电订单完成的情况。
在充电桩处于充电结束状态时，在充电结束后的一段时间(如半分钟)之后，充电桩10的控制器11获取枪座100的第一还枪信号值。由于用户可能在充完电后，没有及时将充电枪20插回枪座100内，因此，充电桩10通过设置该一段时间，给用户及时还枪的机会，以避免订单一完成就立马检测还枪信号值而造成检测不准确。
然后，充电桩10的控制器11对第一还枪信号值进行判断，如果第一还枪信号值小于还枪阈值Tr1，则充电桩10判断充电枪处于未还枪状态，此时，充电桩10将提示信息发送至智能终端30，所述提示信息用于提示用户未还枪；智能终端30用于返回已还枪反馈信息。
对应地，如果第一还枪信号值不小于还枪阈值Tr1，则说明充电枪20处于还枪状态，且充电桩10的还枪检测模块正常运行，不需要调整阈值，此时，维持还枪阈值和拔枪阈值。
S202：如果接收到已还枪反馈信息，且所述第一还枪信号值更新为第二还枪信号值，则判断所述第二还枪信号值是否小于还枪阈值。
具体地，当充电桩给智能终端发送提示信息的时候，用户看到该提示信息，会进行相应的操作，否则订单会处于未完成状态。如果用户在明确自己已经还枪，则用户可以在智能终端的应用程序点击“已还枪”按钮，然后，充电桩接收到该已还枪反馈信息，如果充电枪的位置没有发生改变，则枪座检测到的第一还枪信号值维持；如果充电枪的位置发生改变，则枪座检测到的第一还枪信号值会更新为第二还枪信号值。或者是，如果用户发现自己未还枪，则用户还可以在智能终端的应用程序点击“已还枪”按钮，并且，用户将充电枪插入枪座内，此时，第一还枪信号值会更新为第二还枪信号值，并且，充电桩还会接收到该已还枪反馈信息。
在第一还枪信号值更新为第二还枪信号值后，充电桩判断第二还枪信号值是否小于还枪阈值。通过判断第二还枪信号值是否小于还枪阈值，可以确定充电桩的枪座上的还枪检测模块是否正常工作，如果还枪检测模块故障，那么，即使用户已经还枪，却仍然显示未还枪，导致用户体验不佳，因此需要对还枪模块的故障进行修正。
S203:如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常。
具体地，如果第二还枪信号值不小于还枪阈值，那么说明还枪检测模块是正常工作的，此时，充电桩确定还枪正常，可以给智能终端发送“还枪成功”的提示信息。
可以理解的是，第二还枪信号值是否不小于还枪阈值的判断，充电桩可以设置一个预设时长，预设时长可以为两分钟，在两分钟内判断第二还枪信号值V2是否大于等于还枪阈值Tr1，或者是第二还枪信号值V2变化到大于等于还枪阈值Tr1，则说明还枪检测模块正常，在第一还枪信号值更新为第二还枪信号值之前，是用户忘记还枪操作，此时，不需要做阈值更新处理。
S204：如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
具体地，如果第二还枪信号值小于还枪阈值，则说明还枪检测模块发生异常，此时，充电桩确定还 枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
需要说明的是，第二还枪信号值是否小于还枪阈值的判断，充电桩可以设置一个预设时长，预设时长可以为两分钟，即在两分钟内判断第二还枪信号值V2是否小于还枪阈值Tr1，或者是持续小于还枪阈值Tr1，如果第二还枪信号值V2小于还枪阈值Tr1，或者是持续小于还枪阈值Tr1，则说明还枪异常，触发阈值更新。阈值包括还枪阈值和/或拔枪阈值。
在其中一些实施方式中，重新确定所述还枪阈值，可以包括：
用所述第二还枪信号值减去第一预设常数值，获得第一差值；
用所述第一差值减去拔枪阈值，获得第二差值；
如果所述第二差值大于等于第二预设常数值，则将所述还枪阈值更新为所述第一差值。
具体地，当充电桩确定还枪检测模块发生异常的时候，用第二还枪信号值减去第一预设常数值，获得第一差值，第二还枪信号值用V1表示，第一预设常数值用Tr_CONST表示，第一差值用Tr1‘表示，因此，Tr1‘＝V1-Tr_CONST。
然后，用第一差值减去拔枪阈值，获得第二差值；其中，拔枪阈值用Tr2表示，因此第二差值＝Tr1'-Tr2。
判断第二差值与第二预设常数值的关系，第二预设常数值用Tr_Delta_Min表示，还枪阈值用Tr1表示，如果第二差值大于等于第二预设常数值，即Tr1'-Tr2≥Tr_Delta_Min，则说明该还枪阈值发生异常，但是还枪检测模块中的距离传感器并未损坏，但是当前的还枪阈值Tr1过小，需要增大，才可实现还枪正常检测，因此，将还枪阈值更新为第一差值，即Tr1＝Tr1’。
可以理解的是，由于硬件差异的缘故，以及考虑到后续使用时器件老化等原因的问题，充电桩和充电枪出厂前检测到的拔枪时候的信号强度值不能直接作为阈值使用，通常会在该信号强度值的基础上叠加一个偏移量，作为阈值，因此，该偏移量为第一预设常数值Tr_CONST；第二预设常数值Tr_Delta_Min则是还枪阈值Tr1和拔枪阈值Tr2两个阈值之间需要保持的最小差值。
在其中一些实施方式中，在所述用所述第一差值减去拔枪阈值，获得第二差值之后，所述方法还包括：
获取拔枪最小值，所述拔枪最小值为所述充电桩处于充电状态时，获取到的所述枪座检测到的所述充电枪的信号强度值；
用所述第一差值减去所述拔枪最小值，获得第三差值；
如果所述第二差值小于所述第二预设常数值，且所述第三差值小于等于所述第一预设常数值和所述第二预设常数值之和，则维持所述还枪阈值，且确定所述枪座上的距离传感器损坏。
具体地，在获得第二差值之后，为了进一步确定枪座上的距离传感器是否损坏，先获取拔枪最小值V2_Min，拔枪最小值为充电桩处于充电状态时，获取到的所述枪座检测到的所述充电枪的信号强度值，即充电枪插入电动汽车充电时，枪座检测到的信号强度值为拔枪最小值。然后，用第一差值减去拔枪最小值，获得第三差值，即第三差值＝Tr1‘-V2_Min；如果所述第二差值小于所述第二预设常数值，且所述第三差值小于等于所述第一预设常数值和所述第二预设常数值之和，即，如果第二差值Tr1'-Tr2<Tr_Delta_Min，且Tr1‘-V2_Min≤Tr_Delta_Min+Tr_CONST，则说明是还枪检测模块损坏导致检测不准确，此时，不需要重新确定还枪阈值和/或拔枪阈值Tr1，维持还枪阈值Tr1，并且，充电桩确定枪座上的距离传感器损坏。
在其中一些实施方式中，所述充电桩与智能终端通信连接；在所述确定所述枪座上的距离传感器损坏之后，所述方法还包括：
将所述距离传感器损坏的信息发送至所述智能终端。
在充电桩确定距离传感器损坏以后，充电桩将距离传感器损坏的信息发送至智能终端，智能终端显示还枪模块出故障，使得用户得到还枪模块出故障的信息，并且，智能终端可以持续显示还枪模块出现故障，提醒用户。
并且，在充电桩确定枪座上的距离传感器损坏后，终止对还枪逻辑的判断。
在其中一些实施方式中，在获得第三差值之后，所述方法还包括：
如果所述第二差值小于所述第二预设常数值，且所述第三差值大于所述第一预设常数值和所述第二预设常数值之和，则将所述还枪阈值更新为所述第一差值，且将所述拔枪阈值更新为拔枪最小值与第一预设常数值之和。
具体地，在获得第三差值之后，如果第二差值Tr1'-Tr2小于第二预设常数值Tr_Delta_Min，即Tr1'-Tr2<Tr_Delta_Min，且第三差值大于所述第一预设常数值和所述第二预设常数值之和，即Tr1‘-V2_Min>Tr_Delta_Min+Tr_CONST，则说明还枪检测模块未损坏，但是阈值不足以满足还枪或拔 枪的判断，因此还枪阈值和拔枪阈值都需要更新，此时，将还枪阈值更新为第一差值，即Tr1＝Tr1’；且将拔枪阈值更新为拔枪最小值与第一预设常数值之和，即Tr2＝V2_Min+Tr_CONST。
本申请的实施例，获取枪座的第一还枪信号值，即检测充电枪此时是否处于已还枪的状态；如果接收到已还枪反馈信息，且第一还枪信号值更新为第二还枪信号值，说明用户可能已经将充电枪插回枪座，导致还枪信号值变化，此时，判断更新后得到的第二还枪信号值是否小于还枪阈值，以判断可能异常的真实性，避免持续误判；如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常，此时说明枪座上的还枪检测模块处于正常工作状态；如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，还枪检测模块可能处于故障状态，且重新确定还枪阈值和/或拔枪阈值，以恢复还枪的正常控制，以便于提高还枪检测的准确性。
本申请实施例还提供了一种充电桩的还枪维护装置，请参阅图4，其示出了本申请实施例提供的一种充电桩的还枪维护装置的结构，该充电桩的还枪维护装置400包括：
获取模块401，用于在所述充电桩处于充电结束状态时，获取所述枪座的第一还枪信号值。
更新模块402，用于如果接收到已还枪反馈信息，且所述第一还枪信号值更新为第二还枪信号值，则判断所述第二还枪信号值是否小于还枪阈值；
第一确认模块403，用于如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常；
第二确认模块404，用于如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
本申请的实施例，获取枪座的第一还枪信号值，即检测充电枪此时是否处于已还枪的状态；如果接收到已还枪反馈信息，且第一还枪信号值更新为第二还枪信号值，说明用户可能已经将充电枪插回枪座，导致还枪信号值变化，此时，判断更新后得到的第二还枪信号值是否小于还枪阈值，以判断可能异常的真实性，避免持续误判；如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常，此时说明枪座上的还枪检测模块处于正常工作状态；如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，还枪检测模块可能处于故障状态，且重新确定还枪阈值和/或拔枪阈值，以恢复还枪的正常控制，以便于提高还枪检测的准确性。
在一些实施例中，第二确认模块404，还用于：
用所述第二还枪信号值减去第一预设常数值，获得第一差值；
用所述第一差值减去拔枪阈值，获得第二差值；
如果所述第二差值大于等于第二预设常数值，则将所述还枪阈值更新为所述第一差值。
在一些实施例中，第二确认模块404，还用于：
获取拔枪最小值，所述拔枪最小值为所述充电桩处于充电状态时，获取到的所述枪座检测到的所述充电枪的信号强度值；
用所述第一差值减去所述拔枪最小值，获得第三差值；
如果所述第二差值小于所述第二预设常数值，且所述第三差值小于等于所述第一预设常数值和所述第二预设常数值之和，则维持所述还枪阈值，且确定所述枪座上的距离传感器损坏。
在一些实施例中，第二确认模块404，用于：
如果所述第二差值小于所述第二预设常数值，且所述第三差值大于所述第一预设常数值和所述第二预设常数值之和，则将所述还枪阈值更新为所述第一差值，且将所述拔枪阈值更新为拔枪最小值与第一预设常数值之和。
在一些实施例中，充电桩的还枪维护装置400还包括第一发送模块405，用于：
将所述距离传感器损坏的信息发送至所述智能终端。
在一些实施例中，充电桩的还枪维护装置400还包括第二发送模块406，还用于：
如果所述第一还枪信号值小于所述还枪阈值，则将提示信息发送至所述智能终端，所述提示信息用于提示用户未还枪；所述智能终端用于返回所述已还枪反馈信息。
在一些实施例中，充电桩的还枪维护装置400还包括维持模块407，还用于：
如果所述第一还枪信号值大于所述还枪阈值，则维持所述还枪阈值和拔枪阈值。
需要说明的是，上述装置可执行本申请实施例所提供的方法，具备执行方法相应的功能模块和有益效果。未在装置实施例中详尽描述的技术细节，可参见本申请实施例所提供的方法。
图5为充电桩的一个实施例中控制器11的硬件结构示意图，如图5所示，控制器11包括：
一个或多个处理器111、存储器112。图5中以一个处理器111、一个存储器112为例。
处理器111、存储器112可以通过总线或者其他方式连接，图5中以通过总线连接为例。
存储器112作为一种计算机可读存储介质，可用于存储非易失性软件程序、非易失性计算机可执行 程序以及模块，如本申请实施例中的充电桩的还枪维护方法对应的程序指令/模块(例如，附图4所示的获取模块401、更新模块402、第一确认模块403、第二确认模块404、第一发送模块405、第二发送模块406、维持模块407)。处理器111通过运行存储在存储器112中的非易失性软件程序、指令以及模块，从而执行控制器11的各种功能应用以及数据处理，即实现上述方法实施例的充电桩的还枪维护方法。
存储器112可以包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需要的应用程序；存储数据区可存储根据充电桩的还枪维护装置的使用所创建的数据等。此外，存储器112可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实施例中，存储器112可选包括相对于处理器111远程设置的存储器，这些远程存储器可以通过网络连接至充电桩。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
所述一个或者多个模块存储在所述存储器112中，当被所述一个或者多个处理器111执行时，执行上述任意方法实施例中的充电桩的还枪维护方法，例如，执行以上描述的图2中的方法步骤S201至步骤S204；实现图4中的模块401-407的功能。
上述产品可执行本申请实施例所提供的方法，具备执行方法相应的功能模块和有益效果。未在本实施例中详尽描述的技术细节，可参见本申请实施例所提供的方法。
本申请实施例提供了一种计算机可读存储介质，所述计算机可读存储介质存储有计算机可执行指令，该计算机可执行指令被一个或多个处理器执行，例如图5中的一个处理器111，可使得上述一个或多个处理器可执行上述任意方法实施例中的充电桩的还枪维护方法，例如，执行以上描述的图2中的方法步骤S201至步骤S204；实现图4中的模块401-407的功能。
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
通过以上的实施例的描述，本领域普通技术人员可以清楚地了解到各实施例可借助软件加通用硬件平台的方式来实现，当然也可以通过硬件。本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory,ROM)或随机存储记忆体(RandomAccessMemory,RAM)等。
最后应说明的是：以上实施例仅用以说明本申请的技术方案，而非对其限制；在本申请的思路下，以上实施例或者不同实施例中的技术特征之间也可以进行组合，步骤可以以任意顺序实现，并存在如上所述的本申请的不同方面的许多其它变化，为了简明，它们没有在细节中提供；尽管参照前述实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (10)

  1. 一种充电桩的还枪维护方法，应用于充电桩，所述充电桩上设有枪座，且所述充电桩与充电枪连接；所述方法包括：
    在所述充电桩处于充电结束状态时，获取所述枪座的第一还枪信号值；
    如果接收到已还枪反馈信息，且所述第一还枪信号值更新为第二还枪信号值，则判断所述第二还枪信号值是否小于还枪阈值；
    如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常；
    如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
  2. 根据权利要求1所述的方法，所述重新确定所述还枪阈值，包括：
    用所述第二还枪信号值减去第一预设常数值，获得第一差值；
    用所述第一差值减去拔枪阈值，获得第二差值；
    如果所述第二差值大于等于第二预设常数值，则将所述还枪阈值更新为所述第一差值。
  3. 根据权利要求2所述的方法，在所述用所述第一差值减去拔枪阈值，获得第二差值之后，所述方法还包括：
    获取拔枪最小值，所述拔枪最小值为所述充电桩处于充电状态时，获取到的所述枪座检测到的所述充电枪的信号强度值；
    用所述第一差值减去所述拔枪最小值，获得第三差值；
    如果所述第二差值小于所述第二预设常数值，且所述第三差值小于等于所述第一预设常数值和所述第二预设常数值之和，则维持所述还枪阈值，且确定所述枪座上的距离传感器损坏。
  4. 根据权利要求3所述的方法，在所述获得第三差值之后，所述方法还包括：
    如果所述第二差值小于所述第二预设常数值，且所述第三差值大于所述第一预设常数值和所述第二预设常数值之和，则将所述还枪阈值更新为所述第一差值，且将所述拔枪阈值更新为拔枪最小值与第一预设常数值之和。
  5. 根据权利要求3所述的方法，所述充电桩与智能终端通信连接；在所述确定所述枪座上的距离传感器损坏之后，所述方法还包括：
    将所述距离传感器损坏的信息发送至所述智能终端。
  6. 根据权利要求5所述的方法，在所述获取第一还枪信号值后，所述方法还包括：
    如果所述第一还枪信号值小于所述还枪阈值，则将提示信息发送至所述智能终端，所述提示信息用于提示用户未还枪；所述智能终端用于返回所述已还枪反馈信息。
  7. 根据权利要求1至6中任一项所述的方法，在所述获取所述枪座的第一还枪信号值之后，所述方法还包括：
    如果所述第一还枪信号值大于所述还枪阈值，则维持所述还枪阈值和拔枪阈值。
  8. 一种充电桩的还枪维护装置，应用于充电桩，所述充电桩上设有枪座，且所述充电桩与充电枪连接；所述装置包括：
    获取模块，被配置为在所述充电桩处于充电结束状态时，获取所述枪座的第一还枪信号值；
    更新模块，被配置为如果接收到已还枪反馈信息，且所述第一还枪信号值更新为第二还枪信号值，则判断所述第二还枪信号值是否小于还枪阈值；
    第一确认模块，被配置为如果所述第二还枪信号值不小于所述还枪阈值，则确定还枪正常；
    第二确认模块，被配置为如果所述第二还枪信号值小于所述还枪阈值，则确定还枪异常，且重新确定所述还枪阈值和/或拔枪阈值。
  9. 一种充电桩，所述充电桩包括：
    至少一个处理器，以及
    存储器，所述存储器与所述处理器通信连接，所述存储器存储有可被所述至少一个处理器执行的指令，所述指令被所述至少一个处理器执行，以使所述至少一个处理器能够执行权利要求1-7任一项所述的方法。
  10. 一种计算机可读存储介质，所述计算机可读存储介质存储有计算机可执行指令，当所述计算机可执行指令被充电桩执行时，使所述充电桩执行如权利要求1-7任一项所述的方法。
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