CN216069681U

CN216069681U - Fill electric pile and charging system

Info

Publication number: CN216069681U
Application number: CN202122700790.2U
Authority: CN
Inventors: 郑亚峰
Original assignee: Dupu Suzhou New Energy Technology Co ltd
Current assignee: Jiangsu Dupu New Energy Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-03-18
Anticipated expiration: 2031-11-05

Abstract

The application provides a fill electric pile and charging system. The charging pile comprises a controller; n charging guns, wherein N is an integer greater than or equal to 2; n power modules; the N is multiplied by N relays, each relay is respectively electrically connected with the controller, each power module is electrically connected with the first end of each N relay, the first end of each relay can only be electrically connected with one power module, the second end of each N relay electrically connected with each power module is respectively electrically connected with N charging guns, and the controller realizes that one charging gun is electrically connected with one power module by controlling the disconnection or the closing of each relay. And realizing the electrical connection of one charging gun and one power module. The scheme realizes cross charging. This scheme can also prevent the short circuit, reduces product cost, avoids the vehicle and fills the problem of electric pile spontaneous combustion, explosion.

Description

Fill electric pile and charging system

Technical Field

The application relates to the field of charging, in particular to a charging pile and a charging system.

Background

In the prior art, a charging pile with two charging guns has two power modules (typically, a high-power module (e.g., 60W) and a low-power module (e.g., 20W)), and generally, one charging gun can be fixedly connected with only one power module, for example, a left charging gun is fixedly connected with the high-power module, and a right charging gun is fixedly connected with the low-power module. That is to say, the left rifle that charges can't be connected with the miniwatt module, and the right rifle that charges can't be connected with the high-power module, can't realize alternately charging promptly.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a fill electric pile and charging system to fill the problem that electric pile can't realize cross charging among the solution prior art.

In order to achieve the above object, according to one aspect of the present application, there is provided a charging pile including: a controller; n charging guns, wherein N is an integer greater than or equal to 2; n power modules; the power module comprises N × N relays, each relay is electrically connected with the controller, each power module is electrically connected with the first ends of the N relays, the first end of one relay can only be electrically connected with one power module, the second ends of the N relays, which are electrically connected with each power module, are electrically connected with the N charging guns, and the controller controls the on/off of each relay to realize the electrical connection of one charging gun and one power module.

Further, N is equal to 3, the controller is an EMS controller, the charging gun comprises a first charging gun, a second charging gun and a third charging gun, the power module comprises a high-power module, a medium-power module and a low-power module, the relay comprises a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay and a ninth relay, a first end of the first relay, a first end of the second relay and a first end of the third relay are respectively electrically connected with the high-power module, a second end of the first relay is electrically connected with the first charging gun, a second end of the second relay is electrically connected with the second charging gun, a second end of the third relay is electrically connected with the third charging gun, a first end of the fourth relay, The first end of the fifth relay and the first end of the sixth relay are respectively electrically connected with the medium power module, the second end of the fourth relay is electrically connected with the first charging gun, the second end of the fifth relay is electrically connected with the second charging gun, the second end of the sixth relay is electrically connected with the third charging gun, the first end of the seventh relay, the first end of the eighth relay and the first end of the ninth relay are respectively electrically connected with the small power module, the second end of the seventh relay is electrically connected with the first charging gun, the second end of the eighth relay is electrically connected with the second charging gun, and the second end of the ninth relay is electrically connected with the third charging gun.

Further, the EMS controller controls the first relay, the fifth relay, and the ninth relay to be closed, and controls the second relay, the third relay, the fourth relay, the sixth relay, the seventh relay, and the eighth relay to be opened.

Further, the EMS controller controls the second relay, the fourth relay, and the ninth relay to be closed, and controls the first relay, the third relay, the fifth relay, the sixth relay, the seventh relay, and the ninth relay to be opened.

Further, the EMS controller controls the third, fifth, and seventh relays to be closed, and controls the first, second, fourth, sixth, eighth, and ninth relays to be opened.

Further, the power of the high-power module is 200W, the power of the medium-power module is 100W, and the power of the low-power module is 50W.

Furthermore, the charging pile further comprises a power distribution module, the power distribution module is electrically connected with the controller, and the controller controls the relays to be opened or closed according to the power distributed to the charging guns by the power distribution module.

Further, fill electric pile still includes the fuse, the fuse is connected the power module with between the relay.

According to another aspect of the application, a charging system is provided, which comprises any one of the charging piles.

Use the technical scheme of this application, because a plurality of relays have been connected on the power module, the second end and the rifle electricity that charges of every relay are connected, through the disconnection or the closure of control relay for first power module not only can charge for first rifle that charges, under the condition that first power module does not charge for first rifle that charges, can be through the relay that control corresponds, makes first power module charge for the rifle that charges except that first rifle that charges. I.e. cross charging is achieved. This scheme can also prevent the short circuit, reduces product cost, avoids the vehicle and fills the problem of electric pile spontaneous combustion, explosion.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

fig. 1 shows a schematic diagram of a charging pile according to an embodiment of the application;

fig. 2 shows a schematic diagram of a specific charging pile according to an embodiment of the application;

fig. 3 shows another specific charging pile schematic according to an embodiment of the application.

Wherein the figures include the following reference numerals:

10. a high power module; 20. a low-power module; 30. an EMS controller; 41. a first relay; 42. a second relay; 43. a third relay; 44. a fourth relay; 50. a left charging gun; 60. and (6) a right charging gun.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.

As introduced in the background art, a charging pile in the prior art cannot realize cross charging, and in order to solve the problem that the charging pile cannot realize cross charging, the embodiment of the application provides a charging pile and a charging system.

For convenience of description, some terms or expressions referred to in the embodiments of the present application are explained below:

energy Management System (EMS): is a general name of a modern power grid dispatching automation system. The main functions are composed of basic functions and application functions. The basic functions include a computer, an operating system, and an EMS support system. The application functions include data acquisition and monitoring, automatic power generation control and planning, and network application analysis.

An exemplary embodiment of the present application provides a charging pile including:

a controller;

n charging guns, wherein N is an integer greater than or equal to 2;

n power modules;

the controller controls the on/off of the relays to realize the electrical connection between one charging gun and one power module.

In the above-mentioned scheme, because a plurality of relays have been connected on the power module, the second end of every relay is connected with the rifle electricity that charges, through the disconnection or the closure of control relay for first power module not only can charge for first rifle that charges, under the condition that first power module does not charge for first rifle that charges, can charge for the rifle that charges except that first rifle that charges through the relay that control corresponds, makes first power module. I.e. cross charging is achieved. This scheme can also prevent the short circuit, reduces product cost, avoids the vehicle and fills the problem of electric pile spontaneous combustion, explosion.

It should be noted that the controller controls the opening or closing of the relay through a pure hardware circuit. The controller is electrically connected with each relay, and the relays are opened and closed through the principle of an electronic circuit.

In one embodiment of the present application, as shown in fig. 3, N is equal to 3, the controller is an EMS controller, the charging gun includes a first charging gun, a second charging gun and a third charging gun, the power module includes a high power module, a middle power module and a low power module, the relays include a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay and a ninth relay, a first end of the first relay, a first end of the second relay and a first end of the third relay are electrically connected to the high power module, respectively, a second end of the first relay is electrically connected to the first charging gun, a second end of the second relay is electrically connected to the second charging gun, and a second end of the third relay is electrically connected to the third charging gun, a first end of the fourth relay, a first end of the fifth relay, and a first end of the sixth relay are electrically connected to the middle power module, a second end of the fourth relay is electrically connected to the first charging gun, a second end of the fifth relay is electrically connected to the second charging gun, a second end of the sixth relay is electrically connected to the third charging gun, a first end of the seventh relay, a first end of the eighth relay, and a first end of the ninth relay are electrically connected to the small power module, respectively, a second end of the seventh relay is electrically connected to the first charging gun, a second end of the eighth relay is electrically connected to the second charging gun, and a second end of the ninth relay is electrically connected to the third charging gun.

In one embodiment of the present invention, as shown in fig. 3, the EMS controller controls the first relay, the fifth relay, and the ninth relay to be closed, and controls the second relay, the third relay, the fourth relay, the sixth relay, the seventh relay, and the eighth relay to be opened. Namely, the first charging gun adopts a high-power module for charging, the second charging gun adopts a medium-power module for charging, and the third charging gun adopts a low-power module for charging.

In one embodiment of the present invention, as shown in fig. 3, the EMS controller controls the second relay, the fourth relay, and the ninth relay to be closed, and controls the first relay, the third relay, the fifth relay, the sixth relay, the seventh relay, and the ninth relay to be opened. Namely, the first charging gun adopts a medium-power module for charging, the second charging gun adopts a high-power module for charging, and the third charging gun adopts a low-power module for charging.

In one embodiment of the present invention, as shown in fig. 3, the EMS controller controls the third relay, the fifth relay, and the seventh relay to be closed, and controls the first relay, the second relay, the fourth relay, the sixth relay, the eighth relay, and the ninth relay to be opened. Namely, the first charging gun adopts a low-power module for charging, the second charging gun adopts a medium-power module for charging, and the third charging gun adopts a high-power module for charging.

The other modes except the three modes are not listed.

In an embodiment of the present application, the power of the high power module is 200W, the power of the medium power module is 100W, and the power of the low power module is 50W.

In an embodiment of the application, the charging pile further includes a power distribution module, the power distribution module is electrically connected to the controller, and the controller controls the relays to be opened or closed according to the power distributed by the power distribution module to the charging guns.

In an embodiment of this application, the above-mentioned electric pile that fills still includes the fuse, and above-mentioned fuse is connected between above-mentioned power module and above-mentioned relay.

In a specific embodiment, as shown in fig. 1, N is equal to 2, the charging gun comprises a left charging gun 50 and a right charging gun 60, the power module comprises a high power module 10 and a low power module 20, the relays comprise a first relay 41, a second relay 42, a third relay 43 and a fourth relay 44, a first end of the first relay 41 and a first end of the second relay 42 are respectively electrically connected with the high power module 10, a second end of the first relay 41 is electrically connected with the left charging gun 50, a second end of the second relay 42 is electrically connected with the right charging gun 60, a first end of the third relay 43 and a first end of the fourth relay 44 are respectively electrically connected with the low power module 20, a second end of the third relay 43 is electrically connected with the left charging gun 50, a second end of the fourth relay 44 is electrically connected with the right charging gun 60, the EMS controller 30 controls the first relay 41 and the fourth relay 44 to be opened, and controls the second relay 42 and the third relay 43 to be closed. Namely, the high power module 10 is used to charge the right charging gun 60, and the low power module 20 is used to charge the left charging gun 50. And realizing cross charging.

Specifically, when the vehicle is charged again, once the high-power module is selected to charge the left charging gun, in order to prevent short circuit, the low-power module is no longer selected to charge the left charging gun, and the high-power module is also no longer selected to charge the right charging gun, so that cross charging is realized. And when the high-power module finishes charging the left charging gun, selecting the high-power module to charge the right charging gun, and selecting the low-power module to charge the left charging gun. Short circuits can be prevented.

In one embodiment of the present application, as shown in fig. 1, N is equal to 2, the charging gun includes a left charging gun 50 and a right charging gun 60, the power module includes a high power module 10 and a low power module 20, the relays include a first relay 41, a second relay 42, a third relay 43, and a fourth relay 44, a first end of the first relay 41 and a first end of the second relay 42 are electrically connected to the high power module 10, respectively, a second end of the first relay 41 is electrically connected to the left charging gun 50, a second end of the second relay 42 is electrically connected to the right charging gun 60, a first end of the third relay 43 and a first end of the fourth relay 44 are electrically connected to the low power module 20, respectively, a second end of the third relay 43 is electrically connected to the left charging gun 50, a second end of the fourth relay 44 is electrically connected to the right charging gun 60, the EMS controller 30 controls the first relay 41 and the fourth relay 44 to be closed, and controls the second relay 42 and the third relay 43 to be opened. Namely, the high power module 10 is used to charge the left charging gun 50, and the low power module 20 is used to charge the right charging gun 60. The scheme can well solve the problem that only one high-power module 10 and one low-power module 20 can be equipped due to the limitation of conditions (such as the limitation of cost or charging space), the high-power module 10 can only charge the left charging gun 50, and the low-power module 20 can only charge the right charging gun 60.

In another exemplary embodiment of the present application, there is provided a charging system including a charging pile. Because a plurality of relays have been connected on a power module, the second end of every relay is connected with the rifle electricity that charges, through the disconnection or the closure of control relay for first power module not only can charge for first rifle that charges, does not charge under the circumstances that first rifle charges at first power module, can charge for the rifle that charges except that first rifle charges through the relay that control corresponds, makes first power module. I.e. cross charging is achieved. This scheme can also prevent the short circuit, reduces product cost, avoids the vehicle and fills the problem of electric pile spontaneous combustion, explosion.

Examples

The present embodiment relates to a specific charging pile, as shown in fig. 2, including a high power module (power is 60KW), a low power module (power is 22KW), and two sets of relays K1K2, K3K4, K25K26, and K27K28 for controlling the two types of current flows.

In fig. 2, when the EMS controller controls K25K26 and K27K28 to be closed, K1K2 and K3K4 are opened to form a cross discharge circuit, i.e., the left power module is connected to the right charging gun (charging gun-right), and the right power module is connected to the left charging gun (charging gun-left). When the EMS controller controls K1K2 and K3K4 to be closed, K25K26 and K27K28 are opened to form a direct-connection discharging loop, namely, the power module on the left side is connected with the charging gun on the left side, and the power module on the right side is connected with the charging gun on the right side.

When the EMS controller detects that the gun is inserted, if the right gun is inserted, after the charging authentication and insulation detection, K1K2 and K3K4 are switched off, and K25K26 is switched on, so that high-power discharge of the right gun is realized;

when the EMS controller detects that the left charging gun has the gun inserting action, the K27K28 is closed after the charging authentication and insulation detection, so that the low-power discharge of the left charging gun is realized;

if a left power module fault is detected (no gun is charging at this time), when charging is performed using the left gun, the EMS controller will open K1K2, and K3K4 close K27K28, so that the normal power module can discharge the left gun. The waiting time of the user can be reduced, and the operation is convenient.

From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:

1) the utility model provides a fill electric pile, because a plurality of relays have been connected on the power module, the second end of every relay is connected with the rifle electricity that charges, through the disconnection or the closure of control relay for first power module not only can charge for first rifle that charges, under the condition that first power module does not charge for first rifle that charges, can be through the relay that control corresponds, make first power module charge for the rifle that charges except that first rifle that charges. I.e. cross charging is achieved. This scheme can also prevent the short circuit, reduces product cost, avoids the vehicle and fills the problem of electric pile spontaneous combustion, explosion.

2) The utility model provides a charging system, because a plurality of relays have been connected on the power module, the second end of every relay is connected with the rifle electricity that charges, through the disconnection or the closure of control relay for first power module not only can charge for first rifle that charges, does not charge under the condition that the rifle charges at first power module, can pass through the relay that control corresponds, makes first power module charge for the rifle that charges except that first rifle charges. I.e. cross charging is achieved. This scheme can also prevent the short circuit, reduces product cost, avoids the vehicle and fills the problem of electric pile spontaneous combustion, explosion.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A charging pile, comprising:

a controller;

n charging guns, wherein N is an integer greater than or equal to 2;

n power modules;

the power module comprises N × N relays, each relay is electrically connected with the controller, each power module is electrically connected with the first ends of the N relays, the first end of one relay can only be electrically connected with one power module, the second ends of the N relays, which are electrically connected with each power module, are electrically connected with the N charging guns, and the controller controls the on/off of each relay to realize the electrical connection of one charging gun and one power module.

2. The charging pile of claim 1, wherein N is equal to 3, the controller is an EMS controller, the charging gun comprises a first charging gun, a second charging gun and a third charging gun, the power module comprises a high power module, a medium power module and a low power module, the relays comprise a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay and a ninth relay, a first end of the first relay, a first end of the second relay and a first end of the third relay are respectively electrically connected with the high power module, a second end of the first relay is electrically connected with the first charging gun, a second end of the second relay is electrically connected with the second charging gun, and a second end of the third relay is electrically connected with the third charging gun, the first end of fourth relay, the first end of fifth relay with the first end of sixth relay respectively with well power module electricity is connected, the second end of fourth relay with first rifle electricity that charges is connected, the second end of fifth relay with the second rifle electricity that charges is connected, the second end of sixth relay with the third rifle electricity that charges is connected, the first end of seventh relay, the first end of eighth relay with the first end of ninth relay respectively with the miniwatt module electricity is connected, the second end of seventh relay with first rifle electricity that charges is connected, the second end of eighth relay with the second rifle electricity that charges is connected, the second end of ninth relay with the third rifle electricity that charges is connected.

3. The charging pile of claim 2, wherein the EMS controller controls the first relay, the fifth relay, and the ninth relay to close, and controls the second relay, the third relay, the fourth relay, the sixth relay, the seventh relay, and the eighth relay to open.

4. The charging pile of claim 2, wherein the EMS controller controls the second, fourth and ninth relays to close and the first, third, fifth, sixth, seventh and ninth relays to open.

5. The charging pile of claim 2, wherein the EMS controller controls the third, fifth and seventh relays to close and the first, second, fourth, sixth, eighth and ninth relays to open.

6. The charging pole according to claim 2, wherein the power of the high power module is 200W, the power of the medium power module is 100W, and the power of the low power module is 50W.

7. The charging pile of claim 1, further comprising a power distribution module electrically connected to the controller, wherein the controller controls the relays to open or close according to the power distributed by the power distribution module to the charging guns.

8. The charging pole according to any one of claims 1 to 7, further comprising a fuse connected between the power module and the relay.

9. An electrical charging system, comprising a charging pile according to any one of claims 1 to 8.