CN115339343A - Electric automobile fills electric pile with charge-discharge function - Google Patents

Electric automobile fills electric pile with charge-discharge function Download PDF

Info

Publication number
CN115339343A
CN115339343A CN202210864537.7A CN202210864537A CN115339343A CN 115339343 A CN115339343 A CN 115339343A CN 202210864537 A CN202210864537 A CN 202210864537A CN 115339343 A CN115339343 A CN 115339343A
Authority
CN
China
Prior art keywords
charging
discharging
electric
charge
point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210864537.7A
Other languages
Chinese (zh)
Inventor
颜怀略
徐康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ping An Zhixing Technology Co ltd
Original Assignee
Ping An Zhixing Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ping An Zhixing Technology Co ltd filed Critical Ping An Zhixing Technology Co ltd
Priority to CN202210864537.7A priority Critical patent/CN115339343A/en
Priority to CN202310583496.9A priority patent/CN116353389A/en
Publication of CN115339343A publication Critical patent/CN115339343A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—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
    • B60L53/10—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
    • B60L53/60—Monitoring or controlling charging stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00306—Overdischarge protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to the technical field of electric automobile charging piles, and discloses an electric automobile charging pile with charging and discharging functions, which comprises a charging pile shell used by the electric automobile charging pile; a charge-discharge module is installed in the charging pile shell and connected with a charge-discharge gun head, a double-power supply change-over switch and a user distribution box, wherein the charge-discharge module is connected with the charge-discharge gun head through a multi-core cable; the charging and discharging module comprises a charging and discharging plate, a discharging switch is connected to the charging and discharging plate through an electric wire, and the discharging switch is installed on the outer side face of the charging pile shell. This electric automobile fills electric pile with charge-discharge function utilizes this to fill electric pile and connects electric automobile to externally discharge, can satisfy the power consumption demand of family's short time, and through electric interlocking isolation control, automatic switch-over to the electric wire netting power supply when the power supply is resumeed to the city electric wire netting avoids electric automobile electric energy evacuation phenomenon to take place, more can not appear with emergent power supply "strike sparks" short circuit phenomenon.

Description

Electric automobile fills electric pile with charge-discharge function
Technical Field
The invention relates to the technical field of electric automobile charging piles, in particular to an electric automobile charging pile with a charging and discharging function.
Background
Electric automobile need use and fill electric pile and charge to guarantee electric automobile used repeatedly, reach the purpose of "replacing oil with electricity", consequently fill electric pile and have irreplaceable effect to electric automobile's using widely.
Most of new energy electric vehicles in the market have a function of discharging electricity To the outside of V2L (Vehicle To Load), products such as an electric Vehicle external discharge gun appear in the market, the principle is that one discharge gun is connected with one power strip through one cable, when the electric Vehicle is required To discharge electricity To the outside, the discharge gun is inserted into a charging port To get electricity for various electric appliances, and the electric Vehicle can discharge electricity To the outside. The emergency power supply mode is only suitable for field mobile places and is not suitable for emergency power supply in fixed occasions when power fails, and the products only have a discharging function and do not have a charging function.
Electric automobile fills electric pile in existing market can only be applied to electric automobile and charges, but in the actual life, the power failure condition still can appear in some region, leads to illumination and daily power consumption in the resident family to have the problem, and probably still has more electric energy in the electric automobile, but these electric energy are the direct current, can't act as domestic appliance's emergency power source and use. The charging pile and the electric automobile are utilized to carry out emergency power supply, and in the power supply process, once the commercial power is recovered, the phenomenon of 'striking fire' may occur between the commercial power and the emergency power supply, equipment damage and safety accidents can be caused by carelessness, and unnecessary use risks are brought to users.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the electric automobile charging pile with the charging and discharging functions, which can meet the power consumption requirement of common household loads of general residents when the electric automobile is connected for external discharging, and solves the problem that the electric energy stored in the electric automobile can not be safely used as an emergency power supply.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electric automobile fills electric pile with charge-discharge function, fills electric pile shell and discharge button including electric automobile fills electric pile and uses.
The charging and discharging device comprises a charging and discharging gun head, a dual-power-supply changeover switch and a user distribution box, and is characterized in that a charging and discharging module is installed in a charging pile shell and connected with the charging and discharging gun head, the dual-power-supply changeover switch and the user distribution box, wherein the charging and discharging module is connected with the charging and discharging gun head through a multi-core cable.
The charging and discharging module comprises a charging and discharging plate, the charging and discharging plate is connected with a discharging switch through a wire, the discharging switch is installed on the outer side face of the charging pile shell, a charging and discharging circuit, K1, K2, K3, R1, R2 and a wiring terminal are welded on the charging and discharging plate, and the discharging switch is connected between the 3 point of the K2 and the 1 st point of the R1 in series.
This application adopts above-mentioned technical scheme can be safe utilization fill electric pile and electric automobile to carry out emergent power supply to domestic appliance.
Further, the connecting terminal on the charging and discharging board comprises L2, N2, PE2, CC2, CP2, PE4, N4 and L4.
Furthermore, the dual-power-supply changeover switch is connected with an urban power grid, and a fire wire end and a zero wire end which are connected with the charge-discharge module in the dual-power-supply changeover switch are respectively marked as L3 and N3.
Further, the multi-core cable is composed of a plurality of electric wires, which are denoted as a1, b1, c1, d1, and e1, respectively.
Further, the charging and discharging gun head comprises L1, N1, PE1, CC1 and CP1, and a group of micro switches S1 and S2 are arranged in the charging and discharging gun head.
Further, L1, L2, L3 and L4 are the live wire terminal, N1, N2, N3 and N4 are zero line terminal, PE1, PE2 and PE4 are the earth terminal, CC1, CC2 are control terminal, CP1, CP2 are the charging connection detection terminal, R1, R2 are resistance, K1, K2 and K3 are the relay, and wherein K2 is charge-discharge detection control relay.
(III) advantageous effects
Compared with the prior art, the invention provides an electric automobile charging pile with the charging and discharging functions, which has the following beneficial effects:
this electric automobile fills electric pile with charge-discharge function, when electric automobile needs to charge, insert the electric automobile mouth that charges with the charge-discharge rifle head and open the charge mode, it charges for electric automobile automatically to fill electric pile, when leading to having a power failure because of various reasons at user's house, insert the electric automobile mouth that charges with the charge-discharge rifle head, manually press discharge switch, can supply power to user's domestic appliance, satisfy the power consumption demand of family's short time, through electric interlocking isolation control, automatic switch-over to the electric wire netting power supply when the urban electric network resumes the power supply, avoid electric automobile electric energy unloading phenomenon to take place, more can not appear "strike sparks" short circuit phenomenon with emergent power supply.
Drawings
FIG. 1 is a schematic diagram of the charging principle of the present invention;
fig. 2 is a discharge principle diagram of the present invention.
In the figure: 1 charge-discharge rifle head, 2 multicore cables, 3 dual supply change over switch, 4 charge-discharge boards, 5 discharge switch, 6 user's block terminals, 7 charge-discharge circuit, 8 fill electric pile shells.
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.
Referring to fig. 1-2, an electric vehicle charging pile with charging and discharging functions includes a charging pile shell 8 used by the electric vehicle charging pile, connectors of ports are reserved for the charging pile shell 8, a charging and discharging module is installed in the charging pile shell 8, the charging and discharging module is connected with a charging and discharging gun head 1, a dual power supply changeover switch 3 and a user distribution box 6, and the charging and discharging module and the charging and discharging gun head 1 are connected through a multi-core cable 2.
The multi-core cable 2 is composed of a plurality of electric wires, which are denoted as a1, b1, c1, d1, and e1, respectively.
The dual-power-supply changeover switch 3 is connected with an urban power grid, and the fire wire end and the zero wire end which are connected with the charge-discharge module in the dual-power-supply changeover switch 3 are respectively marked as L3 and N3.
The L3 and the N3 terminal of the dual-power-supply change-over switch 3 are respectively connected with the L2 and the N2 terminal of the K3 on the charging and discharging plate 4 through electric wires, and the dual-power-supply change-over switch 3 is used for switching the charging and discharging mode to prevent equipment damage.
The charging and discharging gun head 1 comprises L1, N1, PE1, CC1 and CP1, a group of micro switches S1 and S2 are arranged in the charging and discharging gun head 1, the L1 is connected with a 6 th point terminal L2 of a relay K3 through a1 and then connected with an L3 on the dual-power-supply change-over switch 3, and the N1 is connected with a 3 rd point terminal N2 of the relay K3 through a b1 and then connected with an N3 on the dual-power-supply change-over switch 3.
When the electric automobile needs to be charged, the charging and discharging gun head 1 is used for charging the electric automobile; when the electric automobile is required to discharge outwards, the charging and discharging gun head 1 is used for taking electricity for the electric automobile.
The charge and discharge module comprises a charge and discharge plate 4, the charge and discharge plate 4 is connected with a discharge switch 5 through an electric wire, the discharge switch 5 is installed on the outer side surface of a charging pile shell 8, a charge and discharge circuit 7 is welded on the charge and discharge plate 4, K1, K2, K3, R1, R2 and a wiring terminal, the discharge switch 5 is connected between the 3 point of K2 and the 1 st point of R1 in series, the 4 th point and the 1 st point of K3 are connected with the charge and discharge circuit 7, the 6 th point of K2 is connected with the 2 nd point of R1, the 3 rd point of K2 is connected with the 1 st point of R1 through the discharge switch 5, the 5 th point of K2 is connected with the 1 st point of R2, the 2 nd point of R2 is connected with PE2, the 4 th point of K1 and the 1 st point are connected with the charge and discharge circuit 7, the 3 rd point terminal of K1, the 6 th point terminal is matched with the L4 on the charge plate 4, the N4 is connected with a user distribution box 6 through an electric wire, and the PE4 on the charge plate 4 is connected with the user distribution box 6 through an electric wire.
Wherein, K3 has the isolation function.
It should be noted that the charging and discharging circuit 7 is used for charging and discharging in cooperation with the electric vehicle, and can detect charging and discharging current, voltage, and safe switching between charging and discharging modes, so as to avoid the "sparking" phenomenon during switching between the charging and discharging modes, and avoid excessive charging and discharging of the battery of the electric vehicle.
The terminals on the charging and discharging panel 4 include L2, N2, PE2, CC2, CP2, PE4, N4 and L4.
CC1 is connected to K2 point 4 terminal CC2 through S1 and d1, and CP1 is connected to K2 point 1 terminal CP2 through S2 and e1.
L1, L2, L3 and L4 are the live wire terminal, and N1, N2, N3 and N4 are the zero line terminal, and PE1, PE2 and PE4 are the earth connection terminal, and CC1, CC2 are control terminal, and CP1, CP2 are the charging connection detection terminal, and R1, R2 are resistance, and K1, K2 and K3 are the relay, and wherein K2 is charge-discharge detection control relay.
The working principle is as follows:
when the electric automobile needs to be charged:
referring to fig. 1, the charging and discharging gun head is inserted into a charging port of an electric vehicle, S1 and S2 are stressed and closed, it is confirmed that the charging and discharging gun head 1 is normally plugged, a charging mode is started, current flows from a user distribution box 6 to a charging and discharging plate 4 through L4 and N4 terminals, and a K1 relay coil, a K2 relay coil and a K3 relay coil on the charging and discharging plate 4 are electrified and then attracted.
At the moment, the point 1 and the point 2 of the K1 are disconnected, and the point 1 and the point 3 are closed; point 4 is disconnected from point 5 and point 4 is closed to point 6.
At the moment, the point 1 and the point 3 of the K2 are disconnected, and the point 1 and the point 2 are closed; point 4 is disconnected from point 6 and point 4 is closed to point 5.
At the moment, the point 1 and the point 2 of the K3 are disconnected, and the point 1 and the point 3 are closed; point 4 is disconnected from point 5 and point 4 is closed to point 6.
At this time, because the 4 point and the 5 point of the K2 are closed, the electric vehicle control device detects the resistance value of the grounding resistor R2 connected in series between the 5 point and the PE2 of the K2 on the charging and discharging plate 4 through the CP1 end of the charging and discharging gun head 1, the resistance value is smaller than the ungrounded threshold value, the grounding is determined to be normal, and the electric vehicle can be normally charged, the electric vehicle control device controls the electric vehicle to receive the charging, the current passes through the 3 point and the 1 point, the 6 point and the 4 point of the K1, the charging and discharging circuit 7, the 1 point and the 3 point of the relay K3, the 4 point and the 6 point, the multi-core cable 2, and the charging and discharging gun head 1 to the vehicle charging port, so that the charging function of the electric vehicle is realized.
When the electric automobile is required to be discharged to the outside:
referring to fig. 2, a charging and discharging gun head 1 of the charging and discharging device of the electric vehicle is inserted into a charging port of the electric vehicle, and S1 and S2 are closed under stress to confirm that the charging and discharging gun head 1 is normally plugged; at this time, the K1, K2, K3 relay coils on the charge and discharge plate 4 are in a normally open state.
At the moment, the point 1 and the point 3 of the K1 are disconnected, and the point 1 and the point 2 are closed; point 4 is disconnected from point 6 and point 4 is closed to point 5.
At the moment, the point 1 and the point 2 of the K2 are disconnected, and the point 1 and the point 3 are closed; point 4 is disconnected from point 5 and point 4 is closed to point 6.
At this time, point 1 and point 3 of K3 are disconnected, point 1 and point 2 are closed, point 4 and point 6 are disconnected, and point 4 and point 5 are closed.
At this time, the discharge switch 5 connected in series between the point 3 of the K2 and the point 1 of the resistor R1 is in an off state; manually pressing the discharge switch 5, closing the discharge switch 5, and conducting between 3 points of K2 and 1 point of the resistor R1; the electric automobile control device detects the resistance value of R1 connected in series between 3 points of K2 and CP2 on the charging and discharging plate 4 through the CC1 end of the charging and discharging gun head 1, if the resistance value is smaller than a rated threshold value, the electric automobile control device controls the electric automobile to discharge outwards, current in the automobile passes through the charging and discharging gun head 1, the multi-core cable 2 and the charging and discharging plate 4 to the standby power input end of the dual-power-supply changeover switch 3, and the dual-power-supply changeover switch 3 automatically switches to a standby power supply mode.
The alternating current output by the electric automobile can meet the power consumption requirement of the small household appliance through the double-power-supply change-over switch 3.
If the electric automobile is discharging outwards, the power supply of the urban power grid is recovered:
dual supply change-over switch 3 automatic switch-over to commercial power supply mode, it is normal to fill the power supply of electric pile, can start the charging mode and charge for electric automobile.

Claims (6)

1. An electric automobile charging pile with charging and discharging functions comprises a charging pile shell (8) used by the electric automobile charging pile;
the method is characterized in that: a charging and discharging module is installed in the charging pile shell (8), the charging and discharging module is connected with a charging and discharging gun head (1), a dual-power-supply changeover switch (3) and a user distribution box (6), the charging and discharging module is connected with the charging and discharging gun head (1) through a multi-core cable (2), and the charging and discharging gun head (1) is used for charging or taking electricity for the electric automobile;
the charging and discharging module comprises a charging and discharging plate (4), the charging and discharging plate (4) is connected with a discharging switch (5) through an electric wire, the discharging switch (5) is installed on the outer side face of a charging pile shell (8), the charging and discharging plate (4) is welded with a charging and discharging circuit (7), a charging and discharging circuit (K1), a charging and discharging circuit (K2), a charging and discharging circuit (K3), a charging and discharging circuit (R1), a discharging circuit (R2) and a connecting terminal, and the discharging switch (5) is connected between the 3 point of the charging and discharging circuit and the 1 st point of the charging and discharging circuit (R1) in series.
2. The electric vehicle charging pile with the charging and discharging functions as claimed in claim 1, characterized in that: the wiring terminal on the charging and discharging plate (4) comprises L2, N2, PE2, CC2, CP2, PE4, N4 and L4.
3. The electric vehicle charging pile with the charging and discharging functions as claimed in claim 2, characterized in that: the double-power-supply change-over switch (3) is connected with an urban power grid, and the live wire end and the zero wire end which are used for being connected with the charge-discharge module in the double-power-supply change-over switch (3) are respectively marked as L3 and N3.
4. The electric vehicle charging pile with the charging and discharging functions as claimed in claim 3, wherein: the multi-core cable (2) is composed of a plurality of electric wires which are respectively marked as a1, b1, c1, d1 and e1.
5. The electric vehicle charging pile with the charging and discharging functions as claimed in claim 4, wherein: the charging and discharging gun head (1) comprises L1, N1, PE1, CC1 and CP1, and a group of micro switches S1 and S2 are arranged in the charging and discharging gun head (1).
6. The electric vehicle charging pile with the charging and discharging functions as claimed in claim 5, wherein: l1, L2, L3 and L4 are live wire terminals, N1, N2, N3 and N4 are zero line terminals, PE1, PE2 and PE4 are ground wire terminals, CC1, CC2 are control terminal, CP1, CP2 are charging connection detection terminal, R1, R2 are resistance, K1, K2 and K3 are the relay, and wherein K2 is charge-discharge detection control relay.
CN202210864537.7A 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function Pending CN115339343A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210864537.7A CN115339343A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function
CN202310583496.9A CN116353389A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210864537.7A CN115339343A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202310583496.9A Division CN116353389A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function

Publications (1)

Publication Number Publication Date
CN115339343A true CN115339343A (en) 2022-11-15

Family

ID=83951020

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202210864537.7A Pending CN115339343A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function
CN202310583496.9A Pending CN116353389A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202310583496.9A Pending CN116353389A (en) 2022-07-21 2022-07-21 Electric automobile fills electric pile with charge-discharge function

Country Status (1)

Country Link
CN (2) CN115339343A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116890685A (en) * 2023-07-24 2023-10-17 宁波均胜群英智能技术有限公司 Double-gun alternating-current charging and discharging system and method for vehicle

Also Published As

Publication number Publication date
CN116353389A (en) 2023-06-30

Similar Documents

Publication Publication Date Title
CN107171145B (en) Charging control method and circuit of alternating current charge control charging gun and charging gun
CN201355772Y (en) Electro-mobile battery-charging protector
CN115339343A (en) Electric automobile fills electric pile with charge-discharge function
CN204167974U (en) A kind of can timing and be full of the electric car charger of rear two isolation
CN110103850A (en) A kind of battery system for preventing vehicle-mounted low-tension supply power shortage
CN104882742B (en) Intelligent charging socket
CN201153341Y (en) Control circuit for double-wire emergent lamp
CN204123974U (en) A kind of speciality car battery charging and discharging protection system
CN215771794U (en) AC V2V charging gun device
CN206416866U (en) Portable charging energy-storing system
CN203339768U (en) Backup energy storage power supply for photovoltaic and mains supply complementary input
CN212323796U (en) Multipurpose movable standby power supply
CN209282896U (en) A kind of intelligent starting battery automatic charging parallel connection management system
CN208369296U (en) A kind of Multifunctional portable power source device for optical fiber splicer
CN208559054U (en) A kind of Portable electric automobile charger
CN202008076U (en) Solar emergency lamp
CN204361749U (en) A kind of multi-function emergency high power big current automotive ignition power supply
CN112383098A (en) Multipurpose movable standby power supply
CN219123980U (en) Automatic switching system for self-generating electricity and national network electricity
CN115313545A (en) Device for quickly converting charge and discharge
CN104821626A (en) Rechargeable battery pack, charger, and charge control method
CN210867239U (en) Communication base station power supply system and mobile battery pack
CN202696943U (en) Solar disaster-preventing emergency lamp
CN218257804U (en) New forms of energy of ability intelligence outage fills electric pile
CN218616281U (en) Control box on trinity cable of electric automobile charge-discharge

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20221115

RJ01 Rejection of invention patent application after publication