CN211320995U

CN211320995U - Four-gun direct-current charging pile power distribution system

Info

Publication number: CN211320995U
Application number: CN201922289662.6U
Authority: CN
Inventors: 王伟兵; 王利
Original assignee: Shenzhen Hongjiali New Energy Co ltd
Current assignee: Shenzhen Hongjiali New Energy Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-21
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a four-gun direct current charging pile power distribution system, which comprises a three-phase alternating current, a circuit breaker and a power distribution unit; the rate distribution unit comprises a plurality of power distributors, a plurality of switch units, a connecting line and a plurality of charging gun ports; and after the three-phase alternating current is closed by the circuit breaker, the three-phase alternating current is transmitted to the input ends of the power distributors. The utility model discloses a 4 power distribution unit and first switch unit, first day switch unit, the cooperation of third switch unit can be connected a plurality of rifle ports that charge to charge the car through the port that charges, such design has and to realize single power distribution unit output control, realizes 2-N (N > ═ 16) return circuit power load distribution; due to the fact that the power distribution unit can be distributed, and the power distribution module unit can achieve flexible dynamic power distribution when a single or multiple electric automobiles are charged simultaneously.

Description

Four-gun direct-current charging pile power distribution system

Technical Field

The utility model relates to a fill electric pile technical field, specifically be a four rifle direct currents fill electric pile power distribution system.

Background

The power distribution method of the direct current charging pile commonly used in the current market is as follows: the output of a plurality of charging modules is combined into a group, and the output end of each group of charging modules is connected with a corresponding direct current contactor in series, so that the power distribution on each bus is realized and the power is output to a corresponding charging gun port, the power load distribution of a single charging module is difficult to realize due to the restriction of factors such as volume, wiring, cost and the like, the number of power load distribution paths is not more than 5, and the power distribution of a single charging module cannot be realized, so that the power of the charging gun port is difficult to be well matched with the power required by a vehicle in charging; in addition, the direct current contactor is expensive, and an external wire is provided with a control wire and an output wire, so that the wiring is more and the cost is high; the direct current charging circuit is limited by factors such as volume, wiring, cost and the like, and is not suitable for being used in the direct current charging circuit with the number more than 5

The power distribution, therefore, if the above-mentioned defects are to be overcome and improved, a new power distribution scheme and a new device must be designed, a power distribution module unit is configured at the output end of each charging module, the power distribution module unit is in a 1-in 2-N-out mode (N > ═ 16), and the output is controlled by an onboard magnetic latching relay and is output to a corresponding bus, so that the power distribution on each bus is realized, the power is output to a corresponding charging gun port, and the flexible dynamic power distribution during the simultaneous charging of a single electric vehicle or a plurality of electric vehicles can be realized through the communication between the power distribution module and a monitoring board.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a four guns direct current fills electric pile power distribution system has solved the LED street lamp lamps and lanterns that now use, and when the fog day was used, light loss was great, has caused the huge waste of the energy, and during the use, the angle of street lamp is not convenient for adjust moreover to after using for a long time, meet strong wind weather, the street lamp is emptyd easily, causes the problem of injures and deaths.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a four-gun direct current charging pile power distribution system comprises a three-phase alternating current, a circuit breaker and a power distribution unit; the rate distribution unit comprises a plurality of power distributors, a plurality of switch units, a connecting line and a plurality of charging gun ports; the three-phase alternating current is closed through the circuit breaker, and then is transmitted to the input ends of the power distributors, and the power distributors convert the three-phase alternating current into direct current to be output, and the direct current is output to the charging gun ports through the connecting wires and the switch units.

Preferably, the number of the plurality of power dividers is set to 4, and the model number of the plurality of power dividers is set to NXR 75030.

Preferably, the input ends of the power distributors are respectively connected with a three-phase alternating-current power supply through a circuit breaker, and the output ends of the power distributors are connected with the switch units.

Preferably, the plurality of switching units includes a first switching unit, a second switching unit, and a third switching unit.

Preferably, the first switch unit, the second switch unit, and the third switch unit respectively form one or more power supplies with the corresponding power dividers.

Preferably, the first switch unit is provided with 6 relays, and in the 6 relays, 2 relay input ends are in one group and are respectively connected with the positive pole and the negative pole of the corresponding two power distributors; and each 2 relays are used as one or more output powers of a plurality of charging gun ports.

Preferably, the number of the second switch units is set to 4 relays, and in the 4 relays, 2 relay input ends are in one group and are respectively connected with the positive pole and the negative pole of the corresponding two power distributors; and each 2 relays are used as one or two of the charging gun ports to output power.

Preferably, the number of the third switching units is 2, and the input ends of the 2 relays are respectively connected with the positive electrodes and the negative electrodes of the two corresponding power distributors; and the output ends of the 2 relays output power for one of the ports of the charging guns.

Preferably, the number of the plurality of charging gun ports is set to 4

(III) advantageous effects

The utility model discloses a 4 power distribution unit and first switch unit, first day switch unit, the cooperation of third switch unit can be connected a plurality of rifle ports that charge to charge the car through the port that charges, such design has and to realize single power distribution unit output control, realizes 2-N (N > ═ 16) return circuit power load distribution; due to the fact that the power distribution unit can be distributed, and the power distribution module unit can achieve flexible dynamic power distribution when a single or multiple electric automobiles are charged simultaneously.

Drawings

FIG. 1 is a schematic diagram of the electrical connection between the three-phase AC power and the circuit breaker of the present invention;

FIG. 2 is an electrical schematic diagram of a portion of the power distribution unit of the present invention;

fig. 3 is an electrical schematic diagram of another part of the power distribution unit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a technical solution: a four-gun direct current charging pile power distribution system comprises a three-phase alternating current 1, a circuit breaker 2 and a power distribution unit; the rate distribution unit comprises a plurality of power distributors 3, a plurality of switch units, a connecting line and a plurality of charging gun ports 7; three-phase alternating current 1 carries three-phase alternating current 1 to a plurality of power distributor 3's input after circuit breaker 2 is closed, and a plurality of power distributor 3 convert three-phase alternating current 1 into the direct current and export to export a plurality of rifle ports of charging 7 through connecting wire, a plurality of switch unit.

The number of the plurality of power splitters 3 is set to 4, and the number of the plurality of power splitters 3 is set to NXR 75030.

The input ends of the power distributors 3 are respectively connected with a three-phase alternating current 1 source through the circuit breakers 2, and the output ends of the power distributors are connected with the switch units.

The plurality of switching units includes a first switching unit 4, a second switching unit 5, and a third switching unit 6.

The first switch unit 4, the second switch unit 5 and the third switch unit 6 respectively form one or more power supplies with the corresponding power distributors 3.

The first switch unit 4 is provided with 6 relays, and in the 6 relays, 2 relay input ends are in one group and are respectively connected with the positive pole and the negative pole of the corresponding two power distributors 3; wherein each 2 relays are grouped as one or more output power of a plurality of charging gun ports 7.

The number of the second switch units 5 is set to 4 relays, and in 6 relays, 2 relay input ends are in one group and are respectively connected with the positive pole and the negative pole of the corresponding two power distributors 3; every 2 relays are in a group and used as one or two of the charging gun ports 7 to output power.

The number of the third switching units is 2, and the input ends of the 2 relays are respectively connected with the positive electrodes and the negative electrodes of the two corresponding power distributors 3; the 2 relay output ends output power for one of the charging gun ports 7.

The number of the plurality of charging gun ports is set to 4,

the utility model discloses a plurality of rifle ports 7 that charge can be connected to the cooperation of 3 power distribution unit 3 and first switch unit 4, first day switch unit, third switch unit to charge for the car through the port that charges, such design has and can realize single power distribution unit output control, realizes 2-N (N > ═ 16) return circuit power load distribution; due to the fact that the power distribution unit can be distributed, and the power distribution module unit can achieve flexible dynamic power distribution when a single or multiple electric automobiles are charged simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a four rifle direct current fill electric pile power distribution system which characterized in that: the three-phase alternating current power supply comprises a three-phase alternating current, a circuit breaker and a power distribution unit; the rate distribution unit comprises a plurality of power distributors, a plurality of switch units, a connecting line and a plurality of charging gun ports; the three-phase alternating current is closed through the circuit breaker, and then is transmitted to the input ends of the power distributors, and the power distributors convert the three-phase alternating current into direct current to be output, and the direct current is output to the charging gun ports through the connecting wires and the switch units.

2. The system of claim 1, wherein the system further comprises: the number of the power dividers is set to be 4, and the model number of the power divider is set to be NXR 75030.

3. The system of claim 2, wherein the system further comprises: the input ends of the power distributors are respectively connected with a three-phase alternating current power supply through a circuit breaker, and the output ends of the power distributors are connected with the switch units.

4. The system of claim 3, wherein the system further comprises: the plurality of switch units include a first switch unit, a second switch unit, and a third switch unit.

5. The system of claim 4, wherein the system further comprises: the first switch unit, the second switch unit and the third switch unit respectively form one or more power supplies with the corresponding power distributors.

6. The system of claim 5, wherein the system further comprises: the first switch unit is provided with 6 relays in number, and in the 6 relays, 2 relay input ends are in one group and are respectively connected with the positive pole and the negative pole of the corresponding two power distributors; in addition, every 2 relays form a group, and the output end is used as one or more output power of the charging gun ports.

7. The system of claim 5, wherein the system further comprises: the number of the second switch units is set to be 4 relays, and in the 4 relays, 2 relay input ends are in one group and are respectively connected with the positive pole and the negative pole of the corresponding two power distributors; in addition, every 2 relays form a group, and the output end is used as one or two of the charging gun ports to output power.

8. The system of claim 5, wherein the system further comprises: the number of the third switching units is 2, and the input ends of the 2 relays are respectively connected with the positive electrodes and the negative electrodes of the two corresponding power distributors; and the output ends of the 2 relays output power for one of the ports of the charging guns.