CN216595323U

CN216595323U - Charger detection connecting device

Info

Publication number: CN216595323U
Application number: CN202120865617.5U
Authority: CN
Inventors: 钱欢
Original assignee: Chaowei Power Group Co Ltd
Current assignee: Chaowei Power Group Co Ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-05-24
Anticipated expiration: 2031-04-25

Abstract

The utility model provides a charger detects connecting device, includes the circuit board, detects the link and has the charger link that two kind at least specifications connect, it is used for being connected to detection device to detect the link, the charger link is used for being connected to the output of charger, detect the link the charger link is connected with the circuit board electricity respectively. Charger detects connecting device includes the joint of two kinds of specifications at least in this scheme to promote the commonality, be applicable to more specifications charger, during the use the output of charger plug in the charger link can, plug in convenient safety can avoid positive negative pole contact, prevent to arouse the short circuit. The detection device does not need to be moved, and the operation intensity can be reduced through the connecting device.

Description

Charger detection connecting device

Technical Field

The utility model relates to the field of charger detection, in particular to a charger detection connecting device.

Background

With the increasing updating of electric vehicles, the types of matched chargers begin to become various, and the interfaces thereof have various types, such as a universal interface, a three-circular-hole interface, a three-vertical interface, a two-circular-hole interface and the like. Two wires usually among the prior art, every wire tip welding alligator clip is connected, nevertheless because the alligator clip on the wire is unstable when connecting, if when connecing the battery, the charger interface in just, the alligator clip of negative pole department touches each other, arouses the short circuit, light then burns out the charger, and then can make personnel be injured, be unfavorable for the detection. For example, a "detection device for an electric vehicle charger" disclosed in chinese patent literature has a publication No. CN112114223A, which includes a detection control circuit and a reverse connection detection circuit; one end of the detection control circuit is connected with the commercial power, and the other end of the detection control circuit is connected with the input end of the charger of the electric vehicle to be detected; one end of the reverse connection detection circuit is connected with the output end of the electric vehicle charger to be detected, and the other end of the reverse connection detection circuit is connected with the storage battery. The detection control circuit comprises a reverse connection test button AN1, AN intermediate relay KA1, a time relay KT1, a short-circuit test button AN2, AN intermediate relay KA2, a time relay KT2, AN indicator lamp D1 and AN indicator lamp D2. The utility model can realize the reverse connection and short circuit test of the electric vehicle charger, has simple structure, low cost, convenience and easy use and is suitable for popularization and application. However, the scheme has poor universality and is only suitable for the electric vehicle charger with a specific specification.

SUMMERY OF THE UTILITY MODEL

The present invention provides a charger detection connection device to overcome the above problems in the prior art. The charger detection connecting device is good in universality and high in safety, can be used for detecting chargers of various specifications, and is convenient and fast to connect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a charger detects connecting device, includes circuit board, detects the link and has the charger link that two kind at least specifications connect, it is used for being connected to detection device to detect the link, the charger link is used for being connected to the output of charger, detect the link the charger link is connected with the circuit board electricity respectively. Charger detects connecting device includes the joint of two kinds of specifications at least in this scheme to promote the commonality, be applicable to more specifications charger, during the use the output of charger plug in to the charger link can, it is convenient safe to peg graft, can avoid positive negative pole contact, prevents to arouse the short circuit. The detection device does not need to be moved, and the operation intensity can be reduced through the connecting device.

Preferably, the charger connecting end comprises a three-vertical-hole connector, two round-hole connectors and a three-round-hole connector. Three vertical hole joints, two round hole joints and three round hole joints are all comparatively common joints, set up these three kinds of joints simultaneously, can satisfy the connection of most electric vehicle charger.

Preferably, the detection device further comprises control switches corresponding to the connectors in number, the control switches are used for opening and closing the connection between the connectors and the detection device, and the control switches are electrically connected with the circuit board. After the charger is connected with the charger connecting end of the connecting device, the button of the control switch is pressed down, so that the detection can be carried out, and the detection safety is improved by the control switch.

Preferably, the connector also comprises a number of indicator lamps corresponding to the connectors, and the indicator lamps are electrically connected with the corresponding connectors. The pilot lamp indicates whether circuit communicates, hoisting device convenience.

Preferably, the protection device further comprises a current protection module, the current protection module is used for disconnecting the connector from the detection device when the current is overlarge, and the current protection module is electrically connected with the circuit board. The safety of the device is improved, the device is prevented from being damaged, and the service life is prolonged.

Preferably, the charger connecting end is detachably connected with the circuit board. The charger link adopts to dismantle in succession with the circuit board, increases the device flexibility, and the charger link can choose for use specific specification interface, and is convenient nimble according to the demand.

Preferably, the detection connecting end is a universal interface. The universal interface can satisfy the connection of most detection devices.

Therefore, the utility model has the following beneficial effects: (1) the operation is convenient and fast; (2) the safety is high; (3) the universality is good.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

In the figure: 1. the detection device comprises a detection connecting end 2, a box body 3, a three-vertical-hole connector 4, two circular-hole connectors 5, a three-circular-hole connector 6, a circuit board 7 and a control switch.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings. It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

In the embodiment shown in fig. 1, a charger detection connecting device comprises a circuit board 6, a current protection module, a detection connecting end 1 and a charger connecting end with three vertical hole connectors 3, two circular hole connectors 4 and three circular hole connectors 5, wherein the circuit board and the current protection module are arranged in a box body 2, three mounting holes are formed in the side surface of the box body, the three vertical hole connectors 3, the two circular hole connectors 4 and the three circular hole connectors 5 are respectively in threaded connection with the mounting holes, the circuit board is electrically connected with the current protection module, three control switches 7 are arranged at the top of the box body, the three control switches are electrically connected with the circuit board, the control switches correspond to the three connectors, and the control switches are used for disconnecting and closing the connectors from and connecting the detection device; the current protection module is used for disconnecting the connector from the detection device when the current is too large, so that the safety of the device is improved, the device is prevented from being damaged, and the service life is prolonged. The detection connecting end is used for being connected to the detection device, and in the embodiment, the detection connecting end is a universal interface and can meet the connection requirement of most detection devices; the charger connecting end is used for being connected to the output end of the charger, and the detection connecting end and the charger connecting end are respectively electrically connected with the circuit board. Preferably, the device further comprises indicating lamps the number of which corresponds to that of the joints, the indicating lamps are electrically connected with the corresponding joints, and the indicating lamps indicate whether the circuit is communicated or not, so that the convenience of the device is improved.

When the scheme is used, a 48V3A charger is selected, the 48V3A charger is provided with two round hole plugs, the round hole plugs are connected to two round hole connectors of the charger connecting end on the box body during detection, the other end of the charger is connected to a power supply, the anode of the universal interface of the detecting connecting end is connected to the anode of the detecting device, the anode and the cathode of the universal interface are connected to the cathode of the detecting device, and the switch buttons at the two round hole connectors are pressed down to finish connection starting detection. Charger link and circuit board adopt can dismantle in succession in this scheme, increase the device flexibility, and the charger link can choose for use specific specification interface, convenient flexibility according to the demand. The utility model is convenient and fast to use; the safety is high; the universality is good.

It will be appreciated by those of ordinary skill in the art that the examples provided herein are intended to assist the reader in understanding the manner in which the utility model is practiced, and it is to be understood that the scope of the utility model is not limited to such specifically recited statements and examples. Those skilled in the art can make various other specific changes and combinations based on the teachings of the present invention without departing from the spirit of the utility model, and these changes and combinations are within the scope of the utility model.

Claims

1. The utility model provides a charger detects connecting device, characterized by includes circuit board, detects the link and has the charger link that two kind at least specifications connect, it is used for being connected to detection device to detect the link, the charger link is used for being connected to the output of charger, detect the link the charger link is connected with the circuit board electricity respectively.

2. The device as claimed in claim 1, wherein the charger connection terminal comprises three vertical hole connectors, two circular hole connectors and three circular hole connectors.

3. The device as claimed in claim 1, further comprising a number of control switches corresponding to the number of the connectors, wherein the control switches are used for opening and closing the connection between the connectors and the detection device, and the control switches are electrically connected to the circuit board.

4. The device as claimed in claim 1, further comprising a number of indicator lights corresponding to the number of the connectors, the indicator lights being electrically connected to the corresponding connectors.

5. The device as claimed in claim 1, further comprising a current protection module for disconnecting the connector from the detection device when the current is excessive, wherein the current protection module is electrically connected to the circuit board.

6. The device as claimed in claim 1, wherein the charger connection terminal is detachably connected to the circuit board.

7. The device as claimed in claim 1, wherein the test connection is a universal interface.