CN113859001A - Automatic management system and method for charging pile cable - Google Patents

Automatic management system and method for charging pile cable Download PDF

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Publication number
CN113859001A
CN113859001A CN202111032957.0A CN202111032957A CN113859001A CN 113859001 A CN113859001 A CN 113859001A CN 202111032957 A CN202111032957 A CN 202111032957A CN 113859001 A CN113859001 A CN 113859001A
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China
Prior art keywords
driving motor
rotation
state
detection switch
controlling
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Granted
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CN202111032957.0A
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Chinese (zh)
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CN113859001B (en
Inventor
班逸
杨海宗
武启雷
王辰冰
万文龙
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Kemais New Energy Technology Co ltd
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Kemais New Energy Technology Co ltd
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Publication of CN113859001A publication Critical patent/CN113859001A/en
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Publication of CN113859001B publication Critical patent/CN113859001B/en
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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
    • B60L53/18—Cables 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
    • B60L53/10—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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables
    • 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

Landscapes

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

Abstract

The invention provides an automatic management system and method of a charging pile cable, wherein the system comprises the following steps: the steel wire winding disc is used for storing the charging gun wire and realizing downward paying-off or upward winding of the charging gun wire through rotation; the coiling disc driving motor is used for receiving a control signal of the control panel and driving the steel wire coiling disc to rotate when the steel wire coiling disc driving motor rotates; and the control board is used for controlling the winding disc driving motor based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize the management of the charging pile cable. From this, through controlling the steel wire take-up reel and realizing accomodating and the automatic management to the rifle line that charges of rifle line, can avoid filling the inconvenient phenomenon of operation because of the rifle line that charges that the electric pile is heavier arouses, and can avoid filling the phenomenon that the rifle line drags the ground that charges at the in-process that uses the electric pile to simplify the operation of charging, improve user experience, reduce the maintenance cost of the rifle line that charges, improve and fill electric pile operation efficiency.

Description

Automatic management system and method for charging pile cable
Technical Field
The invention relates to the technical field of charging piles, in particular to an automatic management system and an automatic management method for a charging pile cable.
Background
Along with the popularization of high-power direct current charging piles, gun lines of charging guns are thicker and thicker, the weight of the charging guns is increased, the weight of each charging gun is about 2.5kg, and the length of each gun line is 4-5 meters.
When the user charges using the rifle that charges, the rifle line is heavier with the rifle quality of charging, is not convenient for charge the operation, and user experience is poor. In addition, the direct-current charging pile has the problem that the gun line is dragged in the using process, the gun line is worn and torn due to long-term accumulation, the maintenance cost can be increased, the operation and maintenance resources are occupied, and the operation efficiency of the charging pile is reduced.
Disclosure of Invention
In order to solve one of the above technical problems, the present invention proposes the following technical solutions.
An embodiment of a first aspect of the present invention provides an automatic management system for charging pile cables, including: the gun wire fixing protective sleeve is respectively connected with a steel wire and a charging gun wire, the control panel is connected with the winding disc driving motor, and the detection switch is arranged on a charging gun seat;
the steel wire coiling disc is used for receiving the charging gun wire through the steel wire and the gun wire fixing protective sleeve and realizing downward paying-off or upward taking-up of the charging gun wire through rotation;
the coiling disc driving motor is used for receiving the control signal of the control panel and working according to the control signal, and the coiling disc driving motor drives the steel wire coiling disc to rotate when rotating;
the detection switch is used for performing opening or closing actions according to the relative position of a charging gun and the charging gun seat, wherein the detection switch is closed when the charging gun is inserted into the charging gun seat, and the detection switch is opened when the charging gun is not inserted into the charging gun seat;
the control board is used for acquiring the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit, and controlling the winding disc driving motor based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize management of the charging pile cable.
In addition, the automatic management system for the charging pile cable according to the above embodiment of the present invention may further have the following additional technical features.
According to an embodiment of the present invention, when the control board controls the take-up disk drive motor based on a state change of the detection switch and a voltage value change of the CC1 in the control guide circuit, the control board is specifically configured to:
when the state of the detection switch is changed into an open state from a closed state, the voltage value of CC1 in the control guide circuit is not changed, and the voltage value of CC1 in the control guide circuit is a first preset value, controlling the winding disc driving motor to rotate for the first time, so that the steel wire winding disc is wound downwards;
when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from the first preset value to a second preset value, controlling the take-up disk driving motor to stop the first rotation and controlling the take-up disk driving motor to keep the motor power, wherein the first preset value is larger than the second preset value;
when the state of the detection switch is an off state and the voltage value of CC1 in the control guide circuit is changed from the second preset value to the first preset value, controlling the coiling disc driving motor to perform second rotation so as to enable the steel wire coiling disc to wind upwards, wherein the second rotation is different from the first rotation;
and when the state of the detection switch is changed from an off state to a closed state, controlling the furling disc driving motor to stop the second rotation and controlling the furling disc driving motor to keep the motor force.
According to an embodiment of the present invention, the control board is further configured to:
acquiring a pay-off limit value and a take-up limit value when the steel wire take-up disc carries out pay-off and take-up;
timing when the coiling disc driving motor performs the first rotation and the second rotation respectively to obtain first timing time corresponding to the first rotation and second timing time corresponding to the second rotation;
controlling the driving motor of the coiling disc according to the first timing time and the pay-off limit value;
and controlling the take-up disc driving motor according to the second timing time and the take-up limit value.
According to an embodiment of the present invention, when the control board controls the take-up reel drive motor according to the first timing time and the pay-off limit value, the control board is specifically configured to:
when the first timing time reaches a first preset time, if the voltage value of CC1 in the control guide circuit is not changed from the first preset value to the second preset value, when the steel wire coiling disc reaches the wire releasing limit value, the coiling disc driving motor is controlled to stop rotating, and the coiling disc driving motor is controlled to keep the motor power.
According to an embodiment of the present invention, when the control board controls the winding disc driving motor according to the second timing time and the winding limit value, the control board is specifically configured to:
and when the second timing time reaches second preset time, if the state of the detection switch is not changed, controlling the winding disc driving motor to stop rotating and controlling the winding disc driving motor to keep motor power when the steel wire winding disc reaches the winding limit value.
According to an embodiment of the present invention, the system for automatically managing a charging pile cable further includes: a grating scale arranged in the coiling disc drive motor;
and the grating ruler is used for measuring a paying-off limit value when the steel wire take-up disc pays off wires and a taking-up limit value when the steel wire take-up disc pays off wires.
According to one embodiment of the invention, the first rotation is a forward rotation and the second rotation is a reverse rotation; the coiling disc driving motor drives the steel wire coiling disc to rotate clockwise when rotating forwards; and when the coiling disc driving motor rotates reversely, the steel wire coiling disc is driven to rotate anticlockwise.
The embodiment of the second aspect of the invention provides an automatic management method for a charging pile cable, which is applied to the automatic management system for the charging pile cable provided by the embodiment of the first aspect of the invention, and the method comprises the following steps:
s1, acquiring the state change condition of a detection switch and the voltage value change condition of CC1 in a control guide circuit, wherein the detection switch is opened or closed according to the relative position of a charging gun and a charging gun seat, the detection switch is closed when the charging gun is inserted into the charging gun seat, and the detection switch is opened when the charging gun is not inserted into the charging gun seat;
and S2, controlling the coiling disc driving motor based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize the management of the charging pile cable.
In addition, the automatic management method for the charging pile cable according to the embodiment of the invention may further have the following additional technical features.
According to an embodiment of the present invention, step S2 includes:
when the state of the detection switch is changed into an open state from a closed state, the voltage value of CC1 in the control guide circuit is not changed, and the voltage value of CC1 in the control guide circuit is a first preset value, the winding disc driving motor is controlled to rotate for the first time, so that the steel wire winding disc is wound downwards;
when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from the first preset value to a second preset value, controlling the take-up disk driving motor to stop the first rotation and controlling the take-up disk driving motor to keep the motor power, wherein the first preset value is larger than the second preset value;
when the state of the detection switch is an off state and the voltage value of CC1 in the control guide circuit is changed from the second preset value to the first preset value, controlling the coiling disc driving motor to perform second rotation so as to enable the steel wire coiling disc to wind upwards, wherein the second rotation is different from the first rotation;
and when the state of the detection switch is changed from an off state to a closed state, controlling the furling disc driving motor to stop the second rotation and controlling the furling disc driving motor to keep the motor force.
According to an embodiment of the present invention, the method for automatically managing a charging pile cable further includes:
determining a paying-off limit value and a taking-up limit value when the steel wire take-up disc carries out paying-off and taking-up;
timing when the coiling disc driving motor performs the first rotation and the second rotation respectively to obtain first timing time corresponding to the first rotation and second timing time corresponding to the second rotation;
controlling the driving motor of the coiling disc according to the first timing time and the pay-off limit value;
and controlling the take-up disc driving motor according to the second timing time and the take-up limit value.
According to the technical scheme of the embodiment of the invention, the steel wire take-up disc is controlled to realize the storage of the charging gun wire and the automatic management of the charging gun wire, so that the phenomenon of inconvenient charging operation caused by the heavier charging gun wire can be avoided, and the phenomenon of dragging the charging gun wire during the use of the charging pile can be avoided, thereby simplifying the charging operation, improving the user experience, reducing the maintenance cost of the charging gun wire and improving the operation efficiency of the charging pile.
Drawings
Fig. 1 is a schematic structural diagram of an automatic management system of a charging pile cable according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a charging gun rest according to an embodiment of the present invention.
Fig. 3 is a control guidance circuit diagram between the charging pile and the vehicle according to an embodiment of the invention.
Fig. 4 is a flowchart of the control board for automatically managing cables by controlling the motor according to an example of the present invention.
Fig. 5 is a flowchart of an automatic management method for a charging pile cable according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of an automatic management system of a charging pile cable according to an embodiment of the present invention.
It should be noted that the charging pile in the embodiment of the present invention may be a direct current charging pile.
As shown in fig. 1, the automatic management system of the charging pile cable includes: a steel wire winding disc 1, a winding disc driving motor 2, a control panel 3, a gun wire fixing protective sleeve 4 and a detection switch (not shown in fig. 1) which are arranged on the charging pile 10. Wherein, steel wire rolling up dish 1 and rolling up dish driving motor 2 set up in the top of filling electric pile, and rifle line fixed protective sheath 4 connects steel wire 6 and rifle line 7 that charges respectively, and control panel 3 is connected with rolling up dish driving motor 2, and detection switch sets up on rifle seat 5 that charges.
The steel wire take-up disc 1 is used for taking up the charging gun wire 7 through the steel wire 6 and the gun wire fixing protective sleeve 4 (the gun wire fixing protective sleeve 4 can be made of hard rubber), so that the gun wire is suspended without dragging the ground, and downward paying-off or upward paying-off of the charging gun wire 7 is realized through rotation, so that the gun wire is automatically paid-off or taken-up in the using process, and the gun wire is suspended without dragging the ground; the coiling disc driving motor 2 is used for receiving the control signal of the control panel 3 and working according to the control signal, and the coiling disc driving motor 2 drives the steel wire coiling disc 1 to rotate when rotating; a detection switch (which can be understood as a switch for detecting the relative position between the charging gun 8 and the charging gun base 5) for performing an opening or closing action according to the relative position between the charging gun 8 and the charging gun base 5, wherein the detection switch is closed when the charging gun 8 is inserted into the charging gun base 5, and the detection switch is opened when the charging gun 8 is not inserted into the charging gun base 5; and the control board 3 is used for acquiring the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit, and controlling the winding disc driving motor 2 based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize the management of the charging pile cable.
As shown in fig. 2, the detection switch 9 is disposed on the charging gun rest 5, that is, the charging gun rest 5 has a detection switch therein. The detection switch 9 may be a raised travel switch with a spring, and when a user or a worker takes up the charging gun 8 (at this time, the charging gun 8 is not inserted into the charging gun base 5), the raised travel switch bounces under the action of the spring, and the travel switch is turned off; when the charging gun 8 is replaced to the charging gun base 5 (at this time, the charging gun 8 is inserted into the charging gun base 5), the travel switch is pressed by the charging gun 8 to be closed. Based on this, fill electric pile internal control board 3 and judge whether to charge rifle 8 by gathering travel switch's state and take up. When the travel switch is in a closed state, the charging gun 8 is not taken up, namely the charging gun 8 is on the charging gun seat 5; when the state of the travel switch is the off state, the charging gun 8 is picked up, that is, the charging gun 8 is not on the charging gun base 5.
It should be noted that the control pilot circuit in the embodiment of the present invention is a control pilot circuit between the charging pile and the charging vehicle, and CC1 (i.e., detection point 1) in the control pilot circuit is a charging confirmation signal line. It should be understood that the detection point 1 is detected from the inside of the charging pile, and there are three level states, and the voltage value at the detection point 1 is 4V, which represents that the charging gun is connected with the vehicle. Thus, the voltage value at CC1 may reflect whether the charging gun and vehicle are fully connected.
Specifically, in practical application, the control board 3 inside the charging pile firstly obtains the state change condition of the detection switch 9 and the voltage value change condition of the CC1 in the control guide circuit, and then judges whether the charging gun 8 of the charging pile is picked up by a user or a worker according to the state change condition of the detection switch 9, and judges whether the charging gun 8 is connected with a vehicle according to the voltage value change condition of the CC1, and then controls the winding disc driving motor 2 according to two judgment results, that is, controls the winding disc driving motor 2 to rotate or stop rotating, and further realizes the control of the steel wire winding disc 1, wherein the steel wire winding disc 1 can realize the storage of charging gun wires, and pay off downwards or take up upwards, so that when the steel wire winding disc 1 is controlled, the management of charging pile cables (charging gun wires) can be realized.
According to the embodiment of the invention, the charging gun wire 7 can be stored through the steel wire winding disc 1, the steel wire winding disc 1 can be controlled to pay off the charging gun wire 7 downwards or take up the charging gun wire upwards, so that when a user or a worker uses the charging gun wire 7, the charging gun wire 7 can be paid off downwards through the steel wire winding disc 1, when the use is finished, the charging gun wire 7 can be wound up upwards through the steel wire winding disc 1, and the charging gun wire 7 is automatically wound up or put down in the whole using process, so that the use is convenient and simple, the operation is convenient, and the influence on the use caused by the overweight of the charging gun wire 7 is avoided. Therefore, the embodiment of the invention can solve the problems of inconvenient use and inconvenient operation caused by the heavy weight of the charging gun wire, and can solve the problem of mopping of the charging gun wire when a user uses the charging gun wire.
Therefore, according to the automatic management method for the charging pile cable, the steel wire take-up disc is controlled to achieve storage of the charging gun line and automatic management of the charging gun line, the phenomenon that the charging operation is inconvenient due to the fact that the charging gun line is heavy can be avoided, the phenomenon that the charging gun line drags the ground in the process of using the charging pile can be avoided, the charging operation is simplified, user experience is improved, maintenance cost of the charging gun line is reduced, and operation efficiency of the charging pile is improved.
It should be noted that, as shown in fig. 3, a dotted line in the drawing is a control guidance circuit between the charging pile and the vehicle, and whether the charging gun is connected to the vehicle can be determined by the control circuit, and then the control board 3 manages the charging pile cable (charging gun line) according to the determination result, which will be described in detail below with reference to fig. 3.
Referring to fig. 3, when the charging gun 8 is disconnected from the vehicle, the R3 resistor is not connected into the circuit, and the voltage value at the detection point 1 is the voltage of R2, i.e. 6V; when the charging gun 8 is completely connected with the vehicle, the R3 resistor is connected into the circuit, and the voltage value at the detection point 1 is the parallel voltage of R2 and R3, namely 4V.
The control panel 3 can identify the state of the charging gun 8 at this time through the state information fed back by the detection point 1(CC1) and the detection point 2 (detection switch), the control panel 3 processes the signal, and drives the winding disc motor 2 to rotate forward or backward in a PWM (Pulse Width Modulation) mode, so that the winding disc 1 performs the winding or unwinding operation. The specific determination process is as follows:
the state of the detection point 2 is changed from closed to open, the voltage value of the detection point 1 is 6V: the charging gun 8 is taken up and is not connected with the vehicle; the voltage value of the detection point 1 is changed from 6V to 4V: the charging gun 8 is completely connected with the vehicle; the voltage value of the detection point 1 is changed from 4V to 6V: the charging gun 8 is disconnected from the vehicle; detection point 2 state changes from open to closed: the charging gun returns to the charging pile gun seat. The overall flow chart is shown in fig. 4.
That is, in an embodiment of the present invention, when the control board 3 controls the winding disk driving motor 2 based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit, it is specifically used to:
when the state of the detection switch is changed into an open state from a closed state, the voltage value of the CC1 in the control guide circuit is not changed, and the voltage value of the CC1 in the control guide circuit is a first preset value, the coiling disk driving motor 2 is controlled to rotate for the first time, so that the steel wire coiling disk 1 is wound downwards; when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from a first preset value to a second preset value, controlling the coiling disc driving motor 2 to stop the first rotation and controlling the coiling disc driving motor 2 to keep the motor power, wherein the first preset value is larger than the second preset value; when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from a second preset value to a first preset value, controlling the coiling disc driving motor 2 to perform second rotation so as to enable the steel wire coiling disc 1 to upwards coil, wherein the second rotation is different from the first rotation; when the state of the detection switch is changed from the off state to the on state, the take-up reel drive motor 2 is controlled to stop the second rotation, and the take-up reel drive motor 2 is controlled to maintain the motor power.
Further, the first rotation is normal rotation, and the second rotation is reverse rotation. When the winding disc driving motor 2 rotates forwards, the steel wire winding disc 1 is driven to rotate clockwise, downward paying-off is realized, and the purpose is to enable the charging gun 8 to be connected with a vehicle when the charging gun wire 7 is long enough; when the winding disc driving motor 2 rotates reversely, the steel wire winding disc 1 is driven to rotate anticlockwise, so that the wire is wound upwards, and the purpose is to store the charging gun wire 7 in the steel wire winding disc 1 and avoid dragging the ground.
The first preset value is 6V, and the second preset value is 4V.
Specifically, according to the charging pile in the embodiment of the invention, through the automatic management system of the charging pile cable, when no person pulls out the gun for charging, the state of the detection switch is closed, that is, the state information of the detection point 2 is closed; when a user or a worker pulls out the charging gun 8 from the charging gun base 5, that is, the charging gun 8 is picked up, the charging gun 8 may not be connected to the vehicle, or may be already connected to the vehicle, at this time, whether the charging gun 8 is connected to the vehicle or not may be determined according to the voltage value at the detection point 1 (and CC1), and the charging gun line 7 is managed according to the determination condition.
Specifically, when the control board 3 detects that the state of the detection switch is changed from the closed state to the open state, the voltage value of the CC1 in the control guide circuit is not changed, and the voltage value of the CC1 in the control guide circuit is the first preset value of 6V, it indicates that the charging gun 8 is picked up but is not connected to the vehicle, at this time, it is necessary to start paying off (pay off the charging gun line downwards), so that the control board 3 recognizes the open signal and the voltage signal and then sends out a PWM (Pulse Width Modulation) signal, the winding disc driving motor 2 is controlled to perform a first rotation, i.e. a forward rotation, and then the winding disc driving motor 2 drives the steel wire winding disc 1 to rotate clockwise, so as to pay off downwards, until the voltage value of the CC1 is detected to be the second preset value of 4V, the paying off is stopped, i.e. when the state of the detection switch is the open state, and the voltage value of the CC1 in the control guide circuit is changed from the first preset value of 6V to the second preset value of 4V, it is explained that the charging gun 8 is taken up and completely connected with the vehicle, that is, the user has completed the gun inserting action, and at this time, the paying-off is required to be stopped, and then the control board 3 recognizes the completely connected signal and sends a stop instruction to the take-up reel driving motor 2 to stop the first rotation of the take-up reel driving motor 2 and control the take-up reel driving motor 2 to maintain the motor power. After stopping corotation for a period of time, vehicle charging can be completed, when charging is completed, the charging pile needs to pack up the charging gun wire 7, and a user inserts the charging gun 8 into the charging gun base 5, namely, when the state of the detection switch is an off state, and the voltage value of the CC1 in the control guide circuit is changed from a second preset value of 4V to a first preset value of 6V, it indicates that the charging gun 8 is picked up and disconnected from the vehicle, namely, charging is completed, and at the moment, winding (upward winding of the charging gun wire) needs to be started, so that the control panel 3 controls the winding disc driving motor 2 to perform second rotation after recognizing a disconnection signal, namely, reversely rotating, and then the winding disc driving motor 2 drives the steel wire winding disc 1 to rotate counterclockwise, and upward winding is realized until the user or a worker inserts the charging gun 8 into the charging gun base 5. When the state of the detection switch is changed from the off state to the on state, it indicates that the user or the staff inserts the charging gun 8 back into the charging gun base 5, and the wire take-up needs to be stopped at this time, so that the control board 3 controls the take-up reel driving motor 2 to stop the second rotation and controls the take-up reel driving motor 2 to maintain the motor power.
That is to say, the charging pile of the embodiment of the present invention implements automatic management of the charging gun line 7 through an automatic management system of a charging pile cable, and can implement management of the charging gun line 7 both in a charging process and when not being charged.
For the charging pile with the cable automatic management function, the charging process is as follows: when a user does not take up the charging gun 8 because the charging is not needed, the detection switch on the charging gun seat 5 is in a closed state, and the winding disc driving motor 2 is in a stop state; when a user pulls out the charging gun 8, a detection switch of the charging gun seat 5 is turned on, the state information of the detection point 2 is off, the control panel 3 drives the winding disc driving motor 2 to rotate forward through a PWM signal, the steel wire winding disc 1 starts to pay out slowly and downwards until the user inserts the charging gun 8 into the electric automobile, at the moment, the control panel 3 of the charging pile measures the voltage value of the detection point 1, at the moment, the voltage value of the detection point 1 is changed from 6V to 4V, the control panel 3 transmits a signal to the winding disc driving motor 2 to indicate that the user finishes gun inserting action at the moment, and the winding disc driving motor 2 enables the steel wire winding disc 1 to stop paying out and keeps the motor power until the automobile is fully charged; when the vehicle is fully charged, a user pulls out the charging gun 8 from the vehicle, the charging pile control panel 3 measures the voltage value of the detection point 1, at the moment, the voltage value of the detection point 1 is changed from 4V to 6V, the control panel 3 transmits a signal to the winding disc driving motor 2, the situation that the user pulls out the gun at the moment is shown, the charging gun 8 is completely disconnected with the vehicle, the control panel 3 drives the winding disc driving motor 1 to rotate reversely through a PWM signal, and the slow wire collection is started until the charging gun 8 is inserted into the charging pile; when the charging gun 8 is inserted back into the charging pile, the charging gun 8 is propped against the detection switch of the charging gun seat 5, the state information of the detection point 2 is closed, the winding disc driving motor 2 stops winding, and the motor power is kept. So through this flow to the rifle line of charging automatic receipts line or the realization of unwrapping wire on the basis to the vehicle charge.
From this, judge through detection switch whether the rifle that charges is taken up, judge whether the rifle that charges inserts the vehicle according to the magnitude of voltage of CC2 department, thereby carry out automatic unwrapping wire or automatic receipts line to filling the electric pile cable according to two judged results, realized carrying out automatic management to filling the electric pile cable on the basis of effectively charging, the rifle line that charges removes the in-process at the user, hang in the sky by wire rope always, the user is more laborsaving, and the rifle line can not drag ground, the solution fills the electric pile in-process rifle line heavy be unfavorable for the operation and the rifle line drags ground and causes the problem of wearing and tearing to the rifle line.
In an embodiment of the present invention, the system for automatically managing a charging pile cable further includes: and the grating ruler is arranged in the coiling disc driving motor 2 and is used for measuring a paying-off limit value when the steel wire coiling disc 1 carries out paying-off and a taking-up limit value when the steel wire coiling disc 1 carries out taking-up.
The grating ruler is a measurement feedback device which works by utilizing the optical principle of a grating, can calculate the rotation distance of the driving motor 2 of the winding disc and is used for measuring the limit of the winding and unwinding distance of the steel wire winding disc 1. The limit is the limit length of the corresponding paying-off or taking-up when the steel wire take-up reel 1 stops rotating when the motor does not receive the signal of stopping rotating for a long time in the rotating process.
In this embodiment, the control board 3 may also be used to: acquiring a paying-off limit value and a taking-up limit value when the steel wire take-up disc 1 carries out paying-off and taking-up; timing is carried out when the coiling disc driving motor 2 carries out first rotation and second rotation respectively so as to obtain first timing time corresponding to the first rotation and second timing time corresponding to the second rotation; controlling the coiling disk drive motor 2 according to the first timing time and the paying-off limit value; and controlling the coiling disc driving motor 2 according to the second timing time and the coiling limit value.
In one example, the control board 3, when controlling the reel drive motor according to the first timing time and the pay-off limit value, is specifically configured to: and when the first timing time reaches a first preset time, if the voltage value of the CC1 in the control guide circuit is not changed from a first preset value to a second preset value, controlling the coiling disc driving motor to stop rotating and controlling the coiling disc driving motor to keep the motor power when the steel wire coiling disc reaches a wire releasing limit value.
Specifically, when the take-up reel driving motor 2 rotates forward, that is, when the wire take-up reel 1 pays off the wire downwards, if the first timed time reaches the first preset time, which indicates that the control board 2 has not received the signal for stopping the motor rotation for a long time (the voltage value at the detection point 1CC1 has not changed for a long time, that is, it changes from 6V to 4V), possibly due to the fact that the user has not completed the gun insertion (inserting into the vehicle) for a long time, or due to other reasons, at this time, in order to prevent the motor from idling for a long time, when the wire take-up reel 1 reaches the pay-off limit value, the take-up reel driving motor 2 is controlled to stop rotating, and the take-up reel driving motor 2 is controlled to maintain the motor power.
It should be understood that when the first timing time does not reach the first preset time, the motor continues to be controlled to rotate forwards until the control board 3 receives a signal for stopping the rotation of the motor, or the first timing time reaches the first preset time.
That is, referring to fig. 4, when the motor 2 rotates forward, it is determined whether the voltage at the detection point 1 changes from 6V to 4V, and if so, the motor 2 is controlled to stop rotating and maintain the motor power; if not, judging whether the steel wire take-up reel 1 reaches the pay-off limit, if so, controlling the motor 2 to stop rotating and keeping the motor power, otherwise, continuously controlling the motor to rotate forwards. Thereby, it is possible to realize: if the user does not finish the gun inserting action for a long time, namely the voltage value of the detection point 1 is not changed for a long time, when the winding disc reaches the limit of the paying-off, the driving motor is stopped, and the motor force is kept.
In another example, when the control board 3 controls the winding disc driving motor 2 according to the second timing time and the winding limit value, it is specifically configured to: and when the second timing time reaches a second preset time, if the state of the detection switch is not changed, controlling the coiling disc driving motor to stop rotating and controlling the coiling disc driving motor to keep the motor power when the steel wire coiling disc reaches a coiling limit value.
Specifically, when the take-up reel driving motor 2 rotates reversely, that is, when the wire take-up reel 1 takes up wire upwards, if the second timing time reaches the second preset time, it indicates that the control board 2 has not received the signal for stopping the motor rotation for a long time (has not received the signal for closing the state of the detection point 2 for a long time), which may be caused by the fact that the user has not completed the action of inserting the gun (inserting the charging gun holder) for a long time, or may be caused by other reasons, at this time, in order to prevent the motor from idling for a long time, when the wire take-up reel 1 reaches the take-up limit value, the take-up reel driving motor 2 is controlled to stop rotating, and the take-up reel driving motor 2 is controlled to maintain the motor power.
It should be understood that when the second timing time does not reach the second preset time, the motor continues to be controlled to rotate reversely until the control board 3 receives a signal to stop the rotation of the motor, or the second timing time reaches the second preset time.
That is, referring to fig. 4, when the motor 2 rotates reversely, it is determined whether the detection point 2 is changed from the open state to the closed state, and if so, the motor 2 is controlled to stop rotating and maintain the motor power; if not, judging whether the steel wire take-up disc 2 reaches a take-up limit, if so, controlling the motor 2 to stop rotating and keeping the motor power, otherwise, continuously controlling the motor to rotate reversely. Thereby, it is possible to realize: if the information that the state of the detection point 2 is closed is not received for a long time, the driving motor is stopped when the coiling disc reaches the coiling limit, and the motor force is kept
Therefore, in the rotation process of the motor, when a signal that the motor stops rotating is not received for a long time, the stopping of the motor can be automatically controlled when the paying-off and the taking-up of the steel wire take-up disc reach respective limits, so that the motor is prevented from idling for a long time, and the purposes of protecting the motor and prolonging the service life are achieved.
In summary, according to the technical scheme of the embodiment of the present invention, a control board inside the charging pile determines the relative position between the charging gun and the charging gun holder, and between the charging gun and the vehicle according to the on-off state of the detection point 2 (corresponding to the detection switch) and the voltage signal of the detection point 1(CC1), and sends a control signal to the take-up reel driving motor according to the determination result, and the motor performs forward rotation, stall rotation, reverse rotation, and stall rotation according to the received control board signal, and drives the steel wire take-up reel to pay off or take up the wire when the motor rotates forward and backward, so as to achieve automatic take-up and pay-off of the charging cable. Therefore, through the scheme, the charging gun line is always hung in the half-empty state by the steel wire rope in the moving process of a user, the user saves more labor, the gun line cannot drag the ground, the user operation is facilitated, the phenomenon of abrasion of the charging gun line caused by dragging the ground is avoided, when the user charges by using the charging pile provided by the embodiment of the invention, the gun inserting and pulling operation is more labor-saving, and the user use experience is greatly improved.
The invention further provides an automatic management method of the charging pile cable, which is applied to the automatic management system of the charging pile cable in the embodiment.
Fig. 5 is a flowchart of an automatic management method for a charging pile cable according to an embodiment of the present invention.
As shown in fig. 5, the method comprises the steps of:
s1, acquiring the state change condition of the detection switch and the voltage value change condition of CC1 in the control guide circuit, wherein the detection switch is opened or closed according to the relative position of the charging gun and the charging gun seat, the detection switch is closed when the charging gun is inserted into the charging gun seat, and the detection switch is opened when the charging gun is not inserted into the charging gun seat;
and S2, controlling the coiling disc driving motor based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize the management of the charging pile cable.
In an embodiment of the present invention, the step S2 may include: when the state of the detection switch is changed into an open state from a closed state, the voltage value of the CC1 in the control guide circuit is not changed, and the voltage value of the CC1 in the control guide circuit is a first preset value, the driving motor of the coiling disc is controlled to rotate for the first time, so that the steel wire coiling disc is wound downwards; when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from a first preset value to a second preset value, controlling the coiling disc driving motor to stop the first rotation and keeping the motor force, wherein the first preset value is larger than the second preset value; when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from a second preset value to a first preset value, controlling the coiling disc driving motor to rotate for the second time so as to enable the steel wire coiling disc to wind upwards, wherein the second rotation is different from the first rotation; and when the state of the detection switch is changed from the off state to the on state, controlling the coiling disk driving motor to stop the second rotation and keeping the motor power.
In an embodiment of the present invention, the method for automatically managing a charging pile cable may further include: determining a paying-off limit value and a taking-up limit value when the steel wire take-up disc carries out paying-off and taking-up; timing is carried out when the coiling disc driving motor carries out first rotation and second rotation respectively so as to obtain first timing time corresponding to the first rotation and second timing time corresponding to the second rotation; controlling a coiling disk driving motor according to the first timing time and the paying-off limit value; and controlling the coiling disc driving motor according to the second timing time and the coiling limit value.
It should be noted that, for a specific implementation of the method for automatically managing a charging pile cable, reference may be made to the specific implementation of the automatic management system for a charging pile cable, and details are not described here for avoiding redundancy.
According to the automatic management method for the charging pile cable, the steel wire take-up reel is controlled to achieve storage of the charging gun wire and automatic management of the charging gun wire, the phenomenon that charging operation is inconvenient due to the fact that the charging gun wire is heavy can be avoided, the phenomenon that the charging gun wire drags the ground in the process of using the charging pile can be avoided, charging operation is simplified, user experience is improved, maintenance cost of the charging gun wire is reduced, and operation efficiency of the charging pile is improved.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. The meaning of "plurality" is two or more unless specifically limited otherwise.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. An automatic management system of charging pile cables is characterized by comprising: the gun wire fixing protective sleeve is respectively connected with a steel wire and a charging gun wire, the control panel is connected with the winding disc driving motor, and the detection switch is arranged on a charging gun seat;
the steel wire coiling disc is used for receiving the charging gun wire through the steel wire and the gun wire fixing protective sleeve and realizing downward paying-off or upward taking-up of the charging gun wire through rotation;
the coiling disc driving motor is used for receiving the control signal of the control panel and working according to the control signal, and the coiling disc driving motor drives the steel wire coiling disc to rotate when rotating;
the detection switch is used for performing opening or closing actions according to the relative position of a charging gun and the charging gun seat, wherein the detection switch is closed when the charging gun is inserted into the charging gun seat, and the detection switch is opened when the charging gun is not inserted into the charging gun seat;
the control board is used for acquiring the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit, and controlling the winding disc driving motor based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize management of the charging pile cable.
2. The system of claim 1, wherein the control board is configured to, when controlling the take-up reel drive motor based on a state change of the detection switch and a voltage value change of the CC1 in the control guidance circuit, specifically:
when the state of the detection switch is changed into an open state from a closed state, the voltage value of CC1 in the control guide circuit is not changed, and the voltage value of CC1 in the control guide circuit is a first preset value, controlling the winding disc driving motor to rotate for the first time, so that the steel wire winding disc is wound downwards;
when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from the first preset value to a second preset value, controlling the take-up disk driving motor to stop the first rotation and controlling the take-up disk driving motor to keep the motor power, wherein the first preset value is larger than the second preset value;
when the state of the detection switch is an off state and the voltage value of CC1 in the control guide circuit is changed from the second preset value to the first preset value, controlling the coiling disc driving motor to perform second rotation so as to enable the steel wire coiling disc to wind upwards, wherein the second rotation is different from the first rotation;
and when the state of the detection switch is changed from an off state to a closed state, controlling the furling disc driving motor to stop the second rotation and controlling the furling disc driving motor to keep the motor force.
3. The automatic management system of charging post cables of claim 2, characterized in that the control board is further configured to:
acquiring a pay-off limit value and a take-up limit value when the steel wire take-up disc carries out pay-off and take-up;
timing when the coiling disc driving motor performs the first rotation and the second rotation respectively to obtain first timing time corresponding to the first rotation and second timing time corresponding to the second rotation;
controlling the driving motor of the coiling disc according to the first timing time and the pay-off limit value;
and controlling the take-up disc driving motor according to the second timing time and the take-up limit value.
4. The automatic management system of charging pile cables of claim 3, wherein the control board, when controlling the take-up reel drive motor according to the first timing time and the pay-off limit value, is specifically configured to:
when the first timing time reaches a first preset time, if the voltage value of CC1 in the control guide circuit is not changed from the first preset value to the second preset value, when the steel wire coiling disc reaches the wire releasing limit value, the coiling disc driving motor is controlled to stop rotating, and the coiling disc driving motor is controlled to keep the motor power.
5. The automatic management system of charging pile cable according to claim 3, wherein the control board is specifically configured to, when controlling the take-up reel drive motor according to the second timing time and the take-up limit value:
and when the second timing time reaches second preset time, if the state of the detection switch is not changed, controlling the winding disc driving motor to stop rotating and controlling the winding disc driving motor to keep motor power when the steel wire winding disc reaches the winding limit value.
6. The automatic management system of charging post cables of claim 3, further comprising: a grating scale arranged in the coiling disc drive motor;
and the grating ruler is used for measuring a paying-off limit value when the steel wire take-up disc pays off wires and a taking-up limit value when the steel wire take-up disc pays off wires.
7. The automatic management system of a charging post cable according to any one of claims 2 to 6, wherein the first rotation is a forward rotation and the second rotation is a reverse rotation;
the coiling disc driving motor drives the steel wire coiling disc to rotate clockwise when rotating forwards;
and when the coiling disc driving motor rotates reversely, the steel wire coiling disc is driven to rotate anticlockwise.
8. An automatic management method of a charging pile cable, which is applied to the automatic management system of the charging pile cable according to any one of claims 1 to 7, and is characterized by comprising the following steps:
s1, acquiring the state change condition of a detection switch and the voltage value change condition of CC1 in a control guide circuit, wherein the detection switch is opened or closed according to the relative position of a charging gun and a charging gun seat, the detection switch is closed when the charging gun is inserted into the charging gun seat, and the detection switch is opened when the charging gun is not inserted into the charging gun seat;
and S2, controlling the coiling disc driving motor based on the state change condition of the detection switch and the voltage value change condition of the CC1 in the control guide circuit so as to realize the management of the charging pile cable.
9. The automatic management method for charging pile cables according to claim 8, wherein step S2 includes:
when the state of the detection switch is changed into an open state from a closed state, the voltage value of CC1 in the control guide circuit is not changed, and the voltage value of CC1 in the control guide circuit is a first preset value, the winding disc driving motor is controlled to rotate for the first time, so that the steel wire winding disc is wound downwards;
when the state of the detection switch is an off state and the voltage value of the CC1 in the control guide circuit is changed from the first preset value to a second preset value, controlling the take-up disk driving motor to stop the first rotation and controlling the take-up disk driving motor to keep the motor power, wherein the first preset value is larger than the second preset value;
when the state of the detection switch is an off state and the voltage value of CC1 in the control guide circuit is changed from the second preset value to the first preset value, controlling the coiling disc driving motor to perform second rotation so as to enable the steel wire coiling disc to wind upwards, wherein the second rotation is different from the first rotation;
and when the state of the detection switch is changed from an off state to a closed state, controlling the furling disc driving motor to stop the second rotation and controlling the furling disc driving motor to keep the motor force.
10. The automatic management method of a charging pile cable according to claim 9, characterized by further comprising:
determining a paying-off limit value and a taking-up limit value when the steel wire take-up disc carries out paying-off and taking-up;
timing when the coiling disc driving motor performs the first rotation and the second rotation respectively to obtain first timing time corresponding to the first rotation and second timing time corresponding to the second rotation;
controlling the driving motor of the coiling disc according to the first timing time and the pay-off limit value;
and controlling the take-up disc driving motor according to the second timing time and the take-up limit value.
CN202111032957.0A 2021-09-03 2021-09-03 Automatic management system and method for charging pile cable Active CN113859001B (en)

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