CN210296681U - Charging and discharging gun - Google Patents

Charging and discharging gun Download PDF

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Publication number
CN210296681U
CN210296681U CN201921291999.4U CN201921291999U CN210296681U CN 210296681 U CN210296681 U CN 210296681U CN 201921291999 U CN201921291999 U CN 201921291999U CN 210296681 U CN210296681 U CN 210296681U
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China
Prior art keywords
charging
resistor
discharging
terminal
male
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Withdrawn - After Issue
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CN201921291999.4U
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Chinese (zh)
Inventor
顾理强
李叶标
黄涛
王大成
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Kunshan Huihe New Energy Technology Co ltd
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Kunshan Huihe New Energy Technology Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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

Abstract

The application provides a charging and discharging gun, which comprises a sharing module, a conversion module, a charging module and a discharging module; the shared module comprises a first charging and discharging gun head, a control box and a connector female seat, the first charging and discharging gun head is connected with one end of the control box through a cable, and the other end of the control box is connected with the connector female seat; the conversion module comprises a first male seat matched with the connector female seat and a second charging and discharging gun head, and the second charging and discharging gun head is connected with the first male seat; the charging module comprises a second male socket matched with the connector female socket and a plug connected with the second male socket; the discharging module comprises a third male socket matched with the connector female socket and a socket connected with the third male socket. This application has designed one set and has collected the car to car (V2V) discharge, the car to load (V2L) discharge and exchange the multi-functional charge-discharge rifle as an organic whole that charges, when will share the module and be connected with conversion module, the module of charging or the module of discharging respectively, can realize different charge-discharge mode conversion.

Description

Charging and discharging gun
Technical Field
The application belongs to the technical field of car charges, especially relates to a charge-discharge rifle.
Background
At present, in order to meet the external power supply requirement of an electric vehicle, the electric vehicle generally has an alternating current charging function, a V2L (vehicle-to-load) discharging function and a vehicle-to-vehicle (V2V) discharging function, a vehicle-to-vehicle charging scheme is widely applied to electric vehicle charging, namely, a direct current of the electric vehicle is inverted into a three-phase alternating current high voltage to be charged by another vehicle, namely, one electric vehicle can be charged and discharged through a vehicle-mounted charger to charge an external load vehicle. But the charging and discharging operation of the current electric automobile is not flexible.
The existing charging gun equipment and discharging gun equipment are independent and separate structures, namely two sets of charging and discharging equipment of the charging gun and the discharging gun are arranged to respectively realize charging/discharging functions. When the vehicle-to-vehicle charging is performed, two independent charging gun devices and two independent discharging gun devices need to be connected to the charging vehicle and the discharging vehicle respectively, and the operation is complex. The charging circuit, the discharging circuit and the vehicle-to-vehicle conducting circuit are shown in the schematic diagrams with reference to fig. 1a, 1b and 1c, wherein in the charging gun device, the contactors K1 and K2 and the power supply control device are arranged in the control box 12, the tact switch S3, the resistor R4 and the resistor RC are arranged in the gun head of the charging gun, the tact switch S3 is connected in parallel with the resistor R4 and then connected in series with the resistor RC, and the PE end and the CC terminal of the gun head of the charging gun are connected. When the electric automobile is charged, alternating current flows into the control box 12 through the plug 32 and the cable, the contactors K1 and K2 in the control box 12 are closed, the power supply control device of the control box 12 communicates with the vehicle control device of the charging vehicle 51 through the CP terminal of the charging gun head, and the charging of the vehicle-mounted charger of the charging vehicle 51 is controlled; the vehicle control device is connected with the resistors R4 and RC through the CC terminal of the charging gun head to perform voltage division protection. In the discharging equipment, a tact switch S3, a resistor R4 and a resistor RC are arranged on a discharging gun head, when the electric automobile discharges, an external load 6 is connected with a controller of the discharging vehicle 52 through the discharging gun head, the tact switch S3 is connected with the resistor R4 in parallel and then connected with the resistor RC in series, a PE end and a charging gun head CC terminal are connected, and the charging gun head CC terminal is connected with a vehicle control device of the discharging vehicle 52 to control the discharging vehicle 52 to discharge. When the vehicle is charged, the two independent charging and discharging gun heads are connected.
Because the charging gun device and the discharging gun device are of independent structures, the electric automobile can not share the charging and discharging gun heads when the electric automobile charges a vehicle-mounted charger, discharges a load outside the automobile and charges other vehicles. Therefore, in charging the electric vehicle, a charging gun and a discharging gun device need to be configured at the same time, the structure is complicated and troublesome, and the cost of the charging and discharging device is high.
Therefore, it is necessary to provide a set of charging and discharging guns integrated with charging and discharging multi-mode control to improve the conventional charging and discharging guns, which have the problems of complex design and poor universality.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application provides a charging and discharging gun, which is designed to implement a plurality of charging and discharging mode conversions of vehicle-to-vehicle (V2V) discharging, vehicle-to-load (V2L) discharging, and ac charging when a common module is connected to a charging module, a discharging module, or a converting module, respectively.
The charging and discharging gun comprises a sharing module and a conversion module, wherein the sharing module comprises a first charging and discharging gun head, a control box and a connector female seat, the first charging and discharging gun head is connected with one end of the control box through a cable, and the other end of the control box is connected with the connector female seat; the conversion module comprises a first male seat matched with the female connector seat and a second charging and discharging gun head, and the second charging and discharging gun head is connected with the first male seat.
Preferably, the first charging and discharging gun head comprises a tact switch S3 and five connection terminals, the five connection terminals comprise a neutral terminal N, a live terminal L, a ground terminal PE, and control terminals CC and CP, and one end of the tact switch S3 is connected to the ground terminal PE.
Preferably, the control box comprises a module circuit board, and the module circuit board comprises an overcurrent protection circuit; the overcurrent protection circuit comprises resistors RC1 and RC2, resistors R4 and R4', a contactor K3 and a tact switch K4; the resistor RC2 is connected in parallel with the tact switch K4 and then is connected in series with the resistor RC1, the input end CC4 of the resistor RC2 is connected to the control terminal CC of the first charging and discharging gun head, and the output end CC3 of the resistor RC2 is connected with the input end of the resistor RC 1; the output end of the resistor RC1 is connected with a resistor R4, a resistor R4 'and a tact switch S3, and the resistor R4 is connected with a resistor R4' in parallel; one end of the contactor K3 is grounded, the other end is connected with the output end CC1 of the resistor R4 or the output end CC2 of the resistor R4 ', and the control resistor R4 or the resistor R4' is connected into the circuit.
Preferably, the control box further comprises a power supply control device, contactors K1 and K2, a contactor S1 and a resistor R1; the contactors K1 and K2 are respectively connected to a live wire terminal L and a zero line terminal N of the first charging and discharging gun head after being respectively connected to a live wire and a zero line; and a signal end of the power supply control device is connected in series with the contactor S1 and the resistor R1 and then is connected to a control terminal CP of the first charging and discharging gun head.
Preferably, the female connector seat adopts an 8-PIN connector, a PIN1 live wire terminal L, a PIN2 zero wire terminal N, a PIN3 ground wire terminal PE, a PIN4 connected with a resistor R4 output terminal CC1, a PIN5 connected with a resistor R4' output terminal CC2, a PIN6 connected with a resistor RC2 output terminal CC3, a PIN7 connected with a resistor RC2 input terminal CC4, and a PIN8 connected with a control terminal CP.
Preferably, the first male socket adopts an 8-PIN connector, the PIN3 of the first male socket is connected with the PIN4, and the PIN6 of the first male socket is connected with the PIN 7; when the female connector seat is connected with the first male connector seat, the PIN3 of the female connector seat is connected with the PIN4 and grounded, the tact switch S3 is closed, and the resistor R4 is connected into a circuit; PIN6 of the female connector seat is connected with PIN7, a tact switch K4 is closed, and a resistor RC1 is connected into a circuit.
Preferably, the second charging and discharging gun head comprises a tact switch S4, a resistor R5, a resistor RC3 and five connecting terminals; the five wiring terminals of the second charging and discharging gun head comprise a zero line terminal N ', a live line terminal L ', a ground line terminal PE ' and control terminals CC ' and CP '; the light touch switch S4 is connected in parallel with the resistor R5, one end of the resistor R5 is connected with a ground terminal PE ', the other end of the resistor R5 is connected with a resistor RC 3', and the other end of the resistor RC3 'is connected with a control terminal CC' of the second charging and discharging gun head; when the female connector seat is connected with the first male connector seat, the control terminal CP' of the second charging and discharging gun head is connected with the output end of the resistor R1 of the control box.
Preferably, the charging and discharging gun further comprises a charging module and a discharging module, wherein the charging module comprises a second male socket matched with the female socket of the connector and a plug connected with the second male socket; the discharging module comprises a third male socket matched with the female connector socket and a socket connected with the third male socket.
Preferably, the second male socket adopts an 8-PIN connector, the PIN3 of the second male socket is connected with the PIN4, and the PIN6 of the second male socket is connected with the PIN 7; when the second male seat is connected with the female connector seat, the PIN3 of the female connector seat is connected with the PIN4 and grounded, the tact switch S3 is closed, and the resistor R4 is connected into a circuit; PIN6 of the female connector seat is connected with PIN7, a tact switch K4 is closed, and a resistor RC1 is connected into a circuit.
Preferably, the third male socket adopts an 8-PIN connector, and the PIN3 of the third male socket is connected with the PIN 5; when the third male socket is connected with the female socket of the connector, the PIN3 of the female socket of the connector is connected with the PIN5 and grounded, the tact switch S3 is closed, and the resistor R4' is connected into a circuit.
Compared with the prior art, the application has the advantages and positive effects that:
this application is to traditional independently designed rifle equipment that charges, the rifle equipment that discharges improves, through design sharing module, and conversion module, the module of charging and the module of discharging, a set of collection car discharges to car (V2V), the car discharges and the trinity as an organic whole charge-discharge rifle of the charge-discharge mode conversion that exchanges charging to load (V2L), make sharing module respectively with conversion module, when the module of charging or the module of discharging is connected, realize different charge-discharge mode conversions. The first charging and discharging gun head, the control box and the connector female seat are set to be a common module of the charging and discharging gun, the first female seat and the second charging gun head are set to be a conversion module, the second female seat and the plug are set to be a charging module, and the third female seat and the socket are set to be a discharging module. When the sharing module is connected with the conversion module, the charging and discharging functions of the electric automobile from the automobile to the automobile can be realized; when the sharing module is connected with the charging module, the function of charging the vehicle-mounted charger of the electric automobile can be realized; when the shared module is connected with the discharging module, the discharging function of the load outside the vehicle can be realized. The application of the charging and discharging gun integrates vehicle-to-vehicle (V2V) discharging, vehicle-to-load (V2L) discharging and alternating current charging, can realize multiple functions of charging and discharging of an electric vehicle at the same time, is simple in circuit design, and is suitable for charging the vehicle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1a is a schematic diagram of a prior art charging gun circuit;
FIG. 1b is a schematic diagram of a prior art discharge gun circuit;
FIG. 1c is a schematic diagram of a prior art vehicle-to-vehicle charging guidance circuit;
fig. 2 is a structural view of a charge and discharge gun of the present application;
FIG. 3a is a schematic circuit diagram of the connection between the common module and the conversion module according to the present application;
FIG. 3b is a schematic circuit diagram of the connection between the common module and the charging module according to the present application;
fig. 3c is a schematic circuit diagram of the connection between the common module and the discharging module according to the present application.
The automatic charging and discharging device comprises a common module 1, a first charging and discharging gun head 11, a control box 12, a connector female seat 13, a conversion module 2, a first male seat 21, a second charging and discharging gun head 22, a charging module 3, a second male seat 31, a plug 32, a discharging module 4, a third male seat 41, a socket 42, a charging vehicle 51, a discharging vehicle 52 and a load outside a vehicle 6.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are all embodiments of the present application, not all 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 application.
The terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the drawings described above, are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
Referring to fig. 2, the present application provides a charging and discharging gun integrating multiple functions of vehicle-to-vehicle (V2V) discharging, vehicle-to-load (V2L) discharging, and ac charging into a whole, and having a three-in-one charging and discharging mode, including a sharing module 1, a conversion module 2, a charging module 3, and a discharging module 4. The common module 1 comprises a first charging and discharging gun head 11, a control box 12 and a connector female seat 13, wherein the first charging and discharging gun head 11 is connected with one end of the control box 12 through a cable, and the other end of the control box 12 is connected with the connector female seat 13; the conversion module 2 comprises a first male seat 21 matched with the connector female seat 13 and a second charging and discharging gun head 22, and the second charging and discharging gun head 22 is connected with the first male seat 21; the charging module 3 comprises a second male socket 31 matched with the connector female socket 13 and a plug 32 connected with the second male socket 31; the discharging module 4 includes a third male socket 41 mated with the connector female socket 13, and a receptacle 42 connected with the third male socket 41. The female connector seat 13 is connected with the first male connector seat 21, namely the common module 1 is connected with the conversion module 2, so that a vehicle-to-vehicle (V2V) discharging mode is formed, and vehicle-to-vehicle charging and discharging can be realized. The female connector base 13 is connected with the second male connector base 31 to form an alternating current charging mode, so that the vehicle-mounted charger can be charged. The female connector base 13 is connected with the third male connector base 41 to form a vehicle-to-load (V2L) discharging mode, so that discharging of a load outside a vehicle can be realized, and a power supply is provided for the load 6 outside the vehicle.
Specifically, referring to fig. 3a, the common module 1 includes a first charging and discharging gun head 11, a control box 12, and a connector female base 13 connected in sequence. The first charging and discharging gun head 11 comprises a light touch switch S3 and five wiring terminals, the five wiring terminals comprise a zero line terminal N, a fire line terminal L, a ground line terminal PE and control terminals CC and CP, and the ground line terminal PE is arranged at one end of the light touch switch S3. The control box 12 comprises a module circuit board with power supply control, input, output and overload protection functions, wherein the module circuit board comprises an overcurrent protection circuit consisting of resistors RC1 and RC2, resistors R4 and R4', a contactor K3 and a tact switch K4; the resistor RC2 is connected with the light touch switch K4 in parallel and then connected with the resistor RC1 in series, the CC4 of the input end of the resistor RC2 is connected with the CC of the control terminal of the first charging and discharging gun head, and the CC3 of the output end of the resistor RC2 is connected with the input end of the resistor RC 1; the output end of the resistor RC1 is connected with a resistor R4, a resistor R4 'and a tact switch S3, and the resistor R4 is connected with a resistor R4' in parallel; one end of the contactor K3 is grounded, the other end is connected with the output end CC1 of the resistor R4 or the output end CC2 of the resistor R4 ', and the control resistor R4 or the resistor R4' is connected into the circuit. When the contactor K3 is connected to the terminal point of the CC1 in a closed mode, the resistor R4 is connected into a circuit; when the contactor K3 is closed and connected to the terminal of the CC2, the resistor R4' is connected into the circuit. The resistance of the resistor R4 is different from that of the resistor R4', and the connection end point of the contactor K3 can be switched according to the detected current in the actual circuit, so that the overcurrent in the circuit is prevented, and the overcurrent protection effect is realized.
With further reference to fig. 3a, the control box 12 further comprises power supply control means, contactors K1, K2, contactor S1 and resistor R1; the contactors K1 and K2 are respectively connected to the live wire terminal L and the zero line terminal N of the first charging and discharging gun head 11 after being respectively connected to the live wire and the zero line; the signal end of the power supply control device is connected in series with the contactor S1 and the resistor R1, and then is connected to the control terminal CP of the first charging and discharging gun head 11.
In the embodiment, the female connector holder 13 adopts an 8-PIN connector, wherein a PIN1 is connected with a live wire end L, a PIN2 is connected with a neutral wire end N, a PIN3 ground wire end PE, a PIN4 is connected with an output terminal CC1 of a resistor R4, a PIN5 is connected with an output terminal CC2 of a resistor R4', a PIN6 is connected with an output terminal CC3 of a resistor RC2, a PIN7 is connected with an input terminal CC4 of a resistor RC2, and a PIN8 is connected with a control terminal CP of a first charging gun head.
With further reference to fig. 3a, the conversion module 2 comprises a first male seat 21 matching with the female connector seat 13 and a second charging and discharging gun head 22, and the second charging and discharging gun head 22 is connected with the first male seat 21. Specifically, the second charging and discharging gun head 22 includes a tact switch S4, a resistor R5, a resistor RC3, and five terminals; the five wiring terminals comprise a zero line terminal N ', a live line terminal L ', a ground line terminal PE ' and control terminals CC ' and CP '; the tact switch S4 is connected in parallel with the resistor R5, one end of the resistor R5 is connected to a ground terminal PE, the other end of the resistor R5 is connected to the resistor RC3, and the other end of the resistor RC3 is connected to a control terminal CC' of the second charging and discharging gun head 22; when the female connector seat is connected with the first male connector seat, the control terminal CP' of the second charging and discharging gun head 22 is connected with the output end of the resistor R1 of the control box 12.
The first male seat 21 also adopts an 8-PIN connector matched with the female seat 13 of the connector, a PIN1 is connected with a live wire end L, a PIN2 is connected with a zero wire end N, a PIN3 ground wire end PE, a PIN4 is connected with a CC1 end, a PIN5 is suspended, a PIN6 is connected with a CC3 end, a PIN7 is connected with a CC4 end, a PIN8 is connected with a control terminal CP, a PIN3 is connected with a PIN4, and a PIN6 is connected with a PIN 7. When the sharing module 1 is connected with the conversion module 2, that is, the female connector seat 13 is connected with the first male connector seat 21, a vehicle-to-vehicle (V2V) discharge mode is formed, and vehicle-to-vehicle charging and discharging can be realized. At this time, the PIN3 of the first male socket 21 is connected with the PIN4 and grounded, the PIN4 of the connector female socket 13 is connected with the PIN3 and grounded, the tact switch S3 is closed, and the resistor R4 is connected into a circuit; PIN6 of first male socket 21 is connected with PIN7, and PIN6 of female connector socket 13 is connected with PIN7, and light touch switch K4 is closed, and when light touch switch S3 is opened, resistor RC1 is connected into the circuit. After the female connector holder 13 is communicated with the first male connector holder 21, a vehicle-to-vehicle charging circuit is formed to charge the electric vehicle, and a vehicle-to-vehicle (V2V) circuit schematic diagram is shown in fig. 3 a. At this time, when another electric vehicle needs to be charged, the first charging and discharging gun head 11 is connected to the discharging vehicle 52, the second charging and discharging gun head 22 is connected to the charging vehicle, the contactors K1 and K2 in the control box 12 are closed, the contactor S1 is closed, the power supply control device of the control box 12 is connected to the control terminal CP of the second charging and discharging gun head 22 through the control terminal CP of the first charging and discharging gun head 11, the discharging vehicle 52 is controlled to charge the charging vehicle 51, when the vehicle control device monitors that the charging of the vehicle charger of the charging vehicle 51 is completed or a circuit fault occurs, the charging completion information or the fault information can be fed back to the power supply control device of the control box 12, and the control contactors K1 and K2 are disconnected, so that the charging of the charging vehicle.
Referring to fig. 3b, the charging module 3 includes a second male socket 31 matching with the female connector socket 13, and a plug 32 connected to the second male socket 31. The second male seat 31 also adopts an 8-PIN connector, a PIN1 is connected with a live wire end L, a PIN2 is connected with a zero wire end N, a PIN3 is connected with a ground wire end PE, a PIN4 is connected with a CC1 end, a PIN5 is connected with a CC2 end, a PIN6 is connected with a CC3 end, a PIN7 is connected with a CC4 end, a PIN8 is suspended, a PIN3 is connected with a PIN4, and a PIN6 is connected with a PIN 7. When the common module 1 is connected with the charging module 3, that is, the connector female socket 13 is connected with the second male socket 31, so as to form an alternating current charging mode for charging the vehicle-mounted charger. At this time, the PIN3 of the second male socket 31 is connected with the PIN4 and grounded, the PIN4 of the female connector socket 13 is connected with the PIN3 and grounded, the tact switch S3 is closed, and the resistor R4 is connected into a circuit; the PIN6 of the second male socket 31 is connected with the PIN7 and grounded, the PIN6 of the female connector socket 13 is connected with the PIN7 and grounded, the tact switch K4 is closed, and the tact switch S3 is opened, and the resistor RC1 is connected into a circuit. When the first charging and discharging gun head 11 is connected to a charging vehicle, and the female connector holder 13 is connected to the second male connector holder 31 to form a charging circuit for charging the charging vehicle 51, the charging principle is shown in fig. 3 b. At this time, the three-phase alternating current flows into the control box 12 through the plug 32 and the cable, the contactors K1 and K2 in the control box 12 are closed, the contactor S1 is closed, and the power supply control device of the control box 12 communicates with the vehicle control device of the charging vehicle 51 through the control terminal CP of the first charging and discharging gun head 11, so as to control the charging of the charger on board the charging vehicle. When the vehicle control device monitors that the charging of the vehicle-mounted charger is completed or the circuit fails, the charging completion information or the failure information can be fed back to the power supply control device of the control box 12, the control contactors K1 and K2 are disconnected, and the charging of the vehicle-mounted charger is stopped.
Referring to fig. 3c, the discharging module 4 includes a third male socket 41 matching with the female connector socket 13, and a socket 42 connected with the third male socket 41. The third male seat 41 also adopts an 8-PIN connector, a PIN1 of the third male seat is connected with a live wire end L, a PIN2 of the third male seat is connected with a neutral wire end N, a PIN3 ground wire end PE, a PIN4 is suspended, a PIN5 is connected with a CC2 end, a PIN6 is suspended, a PIN7 is suspended, a PIN8 is suspended, and a PIN3 of the third male seat is connected with a PIN 5. When the common module 1 is connected with the discharge module 4, namely the female connector holder 13 is connected with the third male connector holder 41, a vehicle-to-load (V2L) discharge mode is formed. At this time, the PIN3 of the third male socket 41 is connected to the PIN5 and grounded, the PIN3 of the female connector socket 13 is connected to the PIN5 and grounded, the tact switch S3 is closed, and the resistor R4' is connected to the circuit. When the first charging and discharging gun head 11 is connected to the discharging vehicle 52, the female connector holder 13 is connected to the third male connector holder 41, and the third male connector holder 41 is connected to the external load 6 through the socket 42, so as to form a discharging circuit for discharging the electric vehicle, as shown in fig. 3 c. At this time, the first charge/discharge gun tip 11 is connected to the controller of the discharge vehicle 52 and the vehicle control device, and controls the discharge vehicle to discharge the load 6 outside the vehicle.
As further shown in fig. 2, the first charging and discharging gun head 11 and the second charging and discharging gun head 22 of the present application are further provided with a switch button, and the control box 12 is further provided with a power indicator, a connection indicator, a charging indicator and a fault indicator to display a line connection state, a fault state, a charging state, and the like.
In summary, compared with the original charging and discharging circuit principle of the independent charging gun and the discharging gun device, the charging and discharging gun integrates the functions of vehicle-to-vehicle (V2V) discharging, vehicle-to-load (V2L) discharging and alternating current charging, and designs the sharing module 1, the conversion module 2, the charging module 3 and the discharging module 4. When the common module 1 is connected with the conversion module 2, a vehicle-to-vehicle (V2V) discharging mode is formed; at this time, the female connector seat 13 is connected with the first male connector seat 21, when another electric vehicle needs to be charged, the first charging and discharging gun head 11 is connected with the discharging vehicle 52, the second charging and discharging gun head 22 is connected with the charging vehicle, the contactors K1 and K2 in the control box 12 are closed, the contactor S1 is closed, the power supply control device of the control box 12 is connected with the control terminal CP of the second charging and discharging gun head 22 through the control terminal CP of the first charging and discharging gun head 11, and the discharging vehicle 52 is controlled to charge the charging vehicle 51. When the common module 1 is connected with the charging module 3, an alternating current charging mode is formed; at this time, when the first charging and discharging gun head 11 is connected to the charging vehicle, the connector female socket 13 is connected to the second male socket 31 to form a charging circuit to charge the charging vehicle 51, three-phase alternating current flows into the control box 12 through the plug 32 and the cable, the contactors K1 and K2 in the control box 12 are closed, the contactor S1 is closed, and the power supply control device of the control box 12 communicates with the vehicle control device of the charging vehicle 51 through the control terminal CP of the first charging and discharging gun head 11 to control the charging of the vehicle-mounted charger of the charging vehicle. When the common module 1 is connected with the discharge module 4, a vehicle-to-load (V2L) discharge mode is formed; at this time, when the first charging and discharging gun head 11 is connected with the discharging vehicle 52, the connector female seat 13 is connected with the third male seat 41, the third male seat 41 is connected with the load 6 outside the vehicle through the socket 42, a discharging circuit is formed to discharge electricity for the electric vehicle, the first charging and discharging gun head 11 is connected with the controller of the discharging vehicle 52 and the vehicle control device, the discharging vehicle is controlled to discharge electricity to the load 6 outside the vehicle, and power is provided for the external load. According to the charging and discharging control method and device, when the shared module 1 is connected with the conversion module 2, the charging module 3 or the discharging module 4 according to the charging and discharging requirements of the electric automobile, the charging and discharging control of the electric automobile is achieved. And when charging, the control box 12 of the shared module 1 can monitor the fault state of the line and the charging state of the vehicle-mounted charger in real time, and display the line connection state, the fault state, the charging state and the like to control the charging and discharging of the electric vehicle. The charging and discharging gun circuit is simple in design, integrates the functions of vehicle-to-vehicle (V2V) discharging, vehicle-to-load (V2L) discharging and alternating current charging, and is suitable for vehicle-to-vehicle charging.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A charging and discharging gun is characterized by comprising a sharing module and a conversion module, wherein the sharing module comprises a first charging and discharging gun head, a control box and a connector female seat, the first charging and discharging gun head is connected with one end of the control box through a cable, and the other end of the control box is connected with the connector female seat; the conversion module comprises a first male seat matched with the female connector seat and a second charging and discharging gun head, and the second charging and discharging gun head is connected with the first male seat.
2. The charging and discharging gun according to claim 1, wherein the first charging and discharging gun head comprises a tact switch S3 and five terminals including a neutral terminal N, a fire terminal L, a ground terminal PE, and control terminals CC and CP, and one end of the tact switch S3 is connected to the ground terminal PE.
3. The charge and discharge gun according to claim 2, wherein the control box includes a module circuit board including an overcurrent protection circuit; the overcurrent protection circuit comprises resistors RC1 and RC2, resistors R4 and R4', a contactor K3 and a tact switch K4; the resistor RC2 is connected in parallel with the tact switch K4 and then is connected in series with the resistor RC1, the input end CC4 of the resistor RC2 is connected to the control terminal CC of the first charging and discharging gun head, and the output end CC3 of the resistor RC2 is connected with the input end of the resistor RC 1; the output end of the resistor RC1 is connected with a resistor R4, a resistor R4 'and a tact switch S3, and the resistor R4 is connected with a resistor R4' in parallel; one end of the contactor K3 is grounded, the other end is connected with the output end CC1 of the resistor R4 or the output end CC2 of the resistor R4 ', and the control resistor R4 or the resistor R4' is connected into the circuit.
4. The charging and discharging gun according to claim 3, wherein the control box further comprises a power supply control device, contactors K1, K2, contactor S1, and a resistor R1; the contactors K1 and K2 are respectively connected to a live wire terminal L and a zero line terminal N of the first charging and discharging gun head after being respectively connected to a live wire and a zero line; and a signal end of the power supply control device is connected in series with the contactor S1 and the resistor R1 and then is connected to a control terminal CP of the first charging and discharging gun head.
5. The charging and discharging gun according to claim 4, wherein the connector female seat adopts an 8-PIN connector, a PIN1 terminal L, a PIN2 terminal N, a PIN3 terminal PE, a PIN4 terminal CC1 at an output terminal of a resistor R4, a PIN5 terminal CC2 at an output terminal of a resistor R4', a PIN6 terminal CC3 at an output terminal of a resistor RC2, a PIN7 terminal CC4 at an input terminal of a resistor RC2, and a PIN8 terminal CP.
6. The charging and discharging gun according to claim 5, wherein the first male socket adopts an 8-PIN connector, the PIN3 of the first male socket is connected with the PIN4, and the PIN6 of the first male socket is connected with the PIN 7; when the female connector seat is connected with the first male connector seat, the PIN3 of the female connector seat is connected with the PIN4 and grounded, the tact switch S3 is closed, and the resistor R4 is connected into a circuit; PIN6 of the female connector seat is connected with PIN7, a tact switch K4 is closed, and a resistor RC1 is connected into a circuit.
7. The charging and discharging gun according to claim 6, wherein the second charging and discharging gun head comprises a tact switch S4, a resistor R5, a resistor RC3, and five terminals; the five wiring terminals of the second charging and discharging gun head comprise a zero line terminal N ', a live line terminal L ', a ground line terminal PE ' and control terminals CC ' and CP '; the light touch switch S4 is connected in parallel with the resistor R5, one end of the resistor R5 is connected with a ground terminal PE ', the other end of the resistor R5 is connected with a resistor RC 3', and the other end of the resistor RC3 'is connected with a control terminal CC' of the second charging and discharging gun head; when the female connector seat is connected with the first male connector seat, the control terminal CP' of the second charging and discharging gun head is connected with the output end of the resistor R1 of the control box.
8. The charging and discharging gun according to any one of claims 5 to 7, further comprising a charging module and a discharging module, wherein the charging module comprises a second male socket matched with the female socket of the connector and a plug connected with the second male socket; the discharging module comprises a third male socket matched with the female connector socket and a socket connected with the third male socket.
9. The charging and discharging gun according to claim 8, wherein the second male socket adopts an 8-PIN connector, the PIN3 of the second male socket is connected with the PIN4, and the PIN6 of the second male socket is connected with the PIN 7; when the second male seat is connected with the female connector seat, the PIN3 of the female connector seat is connected with the PIN4 and grounded, the tact switch S3 is closed, and the resistor R4 is connected into a circuit; PIN6 of the female connector seat is connected with PIN7, a tact switch K4 is closed, and a resistor RC1 is connected into a circuit.
10. The charging and discharging gun according to claim 8, wherein the third male socket adopts an 8-PIN connector, and the PIN3 of the third male socket is connected with the PIN 5; when the third male socket is connected with the female socket of the connector, the PIN3 of the female socket of the connector is connected with the PIN5 and grounded, the tact switch S3 is closed, and the resistor R4' is connected into a circuit.
CN201921291999.4U 2019-08-09 2019-08-09 Charging and discharging gun Withdrawn - After Issue CN210296681U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110416781A (en) * 2019-08-09 2019-11-05 昆山惠禾新能源科技有限公司 Charge and discharge rifle
CN111993942A (en) * 2020-07-15 2020-11-27 广汽蔚来新能源汽车科技有限公司 Charging and discharging control equipment, method and device for electric automobile and charging gun
CN111993943A (en) * 2020-07-15 2020-11-27 广汽蔚来新能源汽车科技有限公司 Discharge conversion equipment, method and device for electric automobile and storage medium
CN113978277A (en) * 2021-09-07 2022-01-28 岚图汽车科技有限公司 Charging and discharging equipment integrating vehicle-to-load and vehicle-to-vehicle and control method thereof
WO2022269040A1 (en) * 2021-06-25 2022-12-29 Robert Bosch Gmbh Supply cable

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110416781A (en) * 2019-08-09 2019-11-05 昆山惠禾新能源科技有限公司 Charge and discharge rifle
CN110416781B (en) * 2019-08-09 2024-04-19 昆山惠禾新能源科技有限公司 Charging and discharging gun
CN111993942A (en) * 2020-07-15 2020-11-27 广汽蔚来新能源汽车科技有限公司 Charging and discharging control equipment, method and device for electric automobile and charging gun
CN111993943A (en) * 2020-07-15 2020-11-27 广汽蔚来新能源汽车科技有限公司 Discharge conversion equipment, method and device for electric automobile and storage medium
CN111993942B (en) * 2020-07-15 2022-07-12 合创汽车科技有限公司 Charging and discharging control equipment, method and device for electric automobile and charging gun
WO2022269040A1 (en) * 2021-06-25 2022-12-29 Robert Bosch Gmbh Supply cable
CN113978277A (en) * 2021-09-07 2022-01-28 岚图汽车科技有限公司 Charging and discharging equipment integrating vehicle-to-load and vehicle-to-vehicle and control method thereof
CN113978277B (en) * 2021-09-07 2023-10-31 岚图汽车科技有限公司 Charging and discharging equipment integrating vehicle-to-load and vehicle-to-vehicle and control method thereof

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