CN220400821U - Change electric connector and contain battery package of this change electric connector - Google Patents

Change electric connector and contain battery package of this change electric connector Download PDF

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Publication number
CN220400821U
CN220400821U CN202321621422.1U CN202321621422U CN220400821U CN 220400821 U CN220400821 U CN 220400821U CN 202321621422 U CN202321621422 U CN 202321621422U CN 220400821 U CN220400821 U CN 220400821U
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China
Prior art keywords
voltage
battery
connector
low
terminal box
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Active
Application number
CN202321621422.1U
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Chinese (zh)
Inventor
林健
王恒
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Chery New Energy Automobile Co Ltd
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Chery New Energy Automobile Co Ltd
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Priority to CN202321621422.1U priority Critical patent/CN220400821U/en
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Abstract

The utility model relates to a power conversion connector and a battery pack comprising the same, which comprises a wire harness end and a battery end which are detachably connected, wherein the battery end comprises a terminal box connected to a base, a partition board is arranged in the terminal box to divide the space in the terminal box into a high-voltage area and a low-voltage area, at least one group of temperature measuring chambers are arranged on the partition board, the temperature measuring chambers are positioned between high-voltage terminals of the high-voltage area and provided with openings facing the low-voltage area, and a temperature sensor is arranged in the temperature measuring chambers. The terminal box of the battery end of the electric replacement connector is divided into a high-voltage area and a low-voltage area, the temperature sensor is arranged in the temperature measuring cavity close to the high-voltage area, and the lead is led out from the low-voltage area, so that the electric replacement connector is not easy to be influenced by a high-voltage circuit while realizing the temperature monitoring function.

Description

Change electric connector and contain battery package of this change electric connector
Technical Field
The utility model relates to the technical field of electric connectors, in particular to an electric replacement connector and a battery pack comprising the same.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The novel energy automobile is provided with a replaceable battery pack, and the battery pack is connected with a vehicle load through a battery replacement connector to realize high-voltage power supply and low-voltage communication functions. In the working process, factors such as impact and vibration of vehicle operation can cause the plug-in pin of the battery replacement connector to generate eccentricity, displacement and metal deformation, and the contact resistance of the connector can be increased abnormally, abnormal high temperature is caused when large current passes through, and if the abnormal high temperature lasts for too long, the connector can be damaged irreversibly, and even other loads of a battery pack and the whole vehicle are affected.
Disclosure of Invention
In order to solve the technical problems in the background art, the utility model provides the electricity changing connector and the battery pack comprising the same, wherein a connecting terminal at a battery end of the electricity changing connector is divided into a high-voltage area and a low-voltage area, a temperature sensor is arranged in a temperature measuring cavity close to the high-voltage area, and a lead is led out from the low-voltage area, so that the electricity changing connector realizes a temperature monitoring function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the first aspect of the utility model provides a power conversion connector, comprising a wire harness end and a battery end which are detachably connected, wherein the battery end comprises a terminal box connected to a base, a partition board is arranged in the terminal box to divide a space in the terminal box into a high-voltage area and a low-voltage area, at least one group of temperature measuring chambers are arranged on the partition board, the temperature measuring chambers are positioned between high-voltage terminals of the high-voltage area and provided with openings facing the low-voltage area, and a temperature sensor is arranged in the temperature measuring chambers.
The battery end comprises a terminal box connected to the upper surface of the base, positioning pins are arranged on two sides of the terminal box in parallel, positioning holes corresponding to the positioning pins are formed in the wire harness end, and the wire harness end is inserted into the positioning holes through the positioning pins to be in positioning connection with the battery end.
The high-voltage terminal comprises an output positive electrode, an output negative electrode, an input positive electrode and an input negative electrode which are positioned in the high-voltage area and are arranged in parallel.
The low voltage region has a ground terminal and a low voltage terminal.
The baffle is arranged vertically in the terminal box, and high-pressure area and low-pressure area are formed on both sides of the baffle, and the temperature measuring chamber is provided with a temperature measuring area and an opening which are arranged oppositely, and the temperature measuring area is connected to the baffle, and the opening faces the low-pressure area.
The temperature sensor is connected with the battery management system through a wire harness, and the wire harness is led out to a low-voltage area through an opening of the temperature measuring chamber and is connected to the battery management system.
A second aspect of the present utility model provides a battery pack including a battery body connected by the above-described electrical replacement connector.
Compared with the prior art, the above technical scheme has the following beneficial effects:
1. the terminal box of the battery end of the electric replacement connector is divided into a high-voltage area and a low-voltage area, the temperature sensor is arranged in the temperature measuring cavity close to the high-voltage area, and the lead is led out from the low-voltage area, so that the electric replacement connector is not easy to be influenced by a high-voltage circuit while realizing the temperature monitoring function.
2. When meeting the high-low voltage connection of the power conversion process, through built-in temperature sensor real-time monitoring, the possible high temperature that appears of the power conversion connector can be early warned, and connector damage and system faults caused by the high temperature are avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of a harness end structure of a power conversion connector provided by the present utility model;
fig. 2 is a schematic diagram of a battery end structure of the electrical replacement connector provided by the utility model;
fig. 3 is a schematic view of the internal structure of the battery end of the electrical replacement connector provided by the utility model;
in the figure: 1. a housing; 2. a harness end; 3. a battery end; 4. a temperature sensor A;5. outputting an anode; 6. an output anode; 7. inputting an anode; 8. inputting a negative electrode; 9. a temperature sensor B;10. a positioning pin; 11. a ground terminal; 12. a low voltage terminal; 13. base seat
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. 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 utility model 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 exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As described in the background art, the conventional power conversion connector can only realize the functions of power supply and communication after the connection of the battery and the load, real-time working temperature information of the connector cannot be obtained, abnormal temperature rise in the power conversion connector is derived from the wiring terminal of the high-voltage part, the conventional temperature sensor cannot be directly arranged on the wiring terminal of the high-voltage side, the temperature sensor is arranged at the connection part of the high-voltage terminal and the external copper bar, on one hand, an external wire harness is required to be added to realize the acquisition of the temperature information, and on the other hand, the temperature sensor arranged at the connection part of the external copper bar is far away from the main heating part of the high-voltage terminal, so that the result of temperature detection is inaccurate.
Therefore, the following embodiment provides a power conversion connector and a battery pack containing the power conversion connector, wherein a connecting terminal of a battery end of the power conversion connector is divided into a high-voltage area and a low-voltage area, a temperature sensor is arranged in a temperature measuring cavity close to the high-voltage area, and a lead is led out from the low-voltage area, so that the power conversion connector realizes a temperature monitoring function.
Embodiment one:
as shown in fig. 1-3, the electrical connector comprises a wire harness end and a battery end which are detachably connected, the battery end comprises a terminal box connected to a base, a partition board is arranged in the terminal box to divide the space in the terminal box into a high-voltage area and a low-voltage area, at least one group of temperature measuring chambers are arranged on the partition board, the temperature measuring chambers are located between high-voltage terminals of the high-voltage area and are provided with openings facing the low-voltage area, and a temperature sensor is arranged in the temperature measuring chambers.
The harness end 2 has a housing 1, and the harness end 2 is for electrical connection with a load.
The battery end 3 comprises a terminal box connected to the upper surface of the base 13, positioning pins 10 are arranged on two sides of the terminal box in parallel, positioning holes corresponding to the positions of the positioning pins 10 are formed in the wire harness end 2, and when the wire harness end 2 is connected with the battery end 3, positioning is achieved by inserting the positioning pins 10 into the positioning holes.
The high-voltage terminal includes an output positive electrode 5, an output negative electrode 6, an input positive electrode 7, and an input negative electrode 8 which are located in a high-voltage region and are arranged in parallel.
The low voltage region has a ground terminal 11 and a low voltage terminal 12.
The baffle is arranged vertically in the terminal box, and high-pressure area and low-pressure area are formed on both sides of the baffle, and the temperature measuring chamber is provided with a temperature measuring area and an opening which are arranged oppositely, and the temperature measuring area is connected to the baffle, and the opening faces the low-pressure area.
In this embodiment, the output positive electrode 5, the output negative electrode 6, the input positive electrode 7 and the input negative electrode 8 are arranged in parallel in a high-voltage area on one side of a partition board, and an area, close to the space between the output positive electrode 5 and the output negative electrode 6, on the partition board is a temperature measuring area of a temperature measuring chamber, and a temperature sensor A4 in the temperature measuring chamber is used for acquiring air temperature around the output positive electrode 5 and the output negative electrode 6;
correspondingly, a temperature measuring area of a temperature measuring cavity is arranged on the partition board near the area between the input positive electrode 7 and the input negative electrode 8, and a temperature sensor B9 in the temperature measuring cavity is used for acquiring the air temperature around the input positive electrode 7 and the input negative electrode 8.
The temperature sensor is connected with the battery management system through a wire harness, and the wire harness is led out to a low-voltage area through an opening of the temperature measuring chamber and is connected to the battery management system.
The battery management system is an existing system on the new energy vehicle and the electric vehicle, and is used for managing, distributing, monitoring and controlling the battery, and the specific structure and the working process are not repeated in this embodiment.
In this embodiment, the wire harness end and the battery end of the power conversion connector are connected by insertion, the temperature sensor is mounted at a position between the high voltage terminals close to the power conversion connector through the fixing clip groove, and is led to the low voltage area through the wire harness and connected to the battery management system. The "between high voltage terminals" refers to between the input positive and negative electrodes and between the output positive and negative electrodes, and the groove partition is used for facilitating fixed installation, so that the groove partition is as close to the high voltage terminals as possible to obtain accurate temperature information, and meanwhile, the groove partition is not contacted with the high voltage terminals to affect the electrical connection of the groove partition.
The inside of the junction box at the battery end of the electric-changing connector is divided into a high-voltage area and a low-voltage area, the temperature sensor is arranged in the temperature measuring cavity close to the high-voltage area, and the lead is led out from the low-voltage area, so that the electric-changing connector is not easy to be influenced by a high-voltage circuit while realizing the temperature monitoring function
When meeting the high-low voltage connection of the power conversion process, through built-in temperature sensor real-time monitoring, the possible high temperature that appears of the power conversion connector can be early warned, and connector damage and system faults caused by the high temperature are avoided.
Embodiment two:
a battery pack comprises a battery body and the electric replacement connector of the embodiment, wherein the electric replacement connector is connected with the battery body through a battery end 3.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. Trade electric connector, its characterized in that, including pencil end and the battery end that can dismantle the connection, the battery end is including connecting the terminal box on the base, is equipped with the baffle in the terminal box and divide into high-voltage region and low-voltage region with the space in the terminal box, is equipped with at least a set of temperature measurement cavity on the baffle, and temperature measurement cavity is located between the high-voltage terminal of high-voltage region and has the opening towards low-voltage region, is equipped with temperature sensor in the temperature measurement cavity.
2. The electrical replacement connector of claim 1, wherein the battery terminal includes a terminal box attached to the upper surface of the base, and wherein the terminal box is provided with side-by-side alignment pins on both sides.
3. The electrical replacement connector of claim 2, wherein the harness end is provided with a locating hole corresponding to the location of the locating pin.
4. The electrical replacement connector of claim 3, wherein the harness end is positioned for connection with the battery end by insertion of a locating pin into a locating hole.
5. The electrical replacement connector of claim 1, wherein the high voltage terminal includes an output positive electrode, an output negative electrode, an input positive electrode, and an input negative electrode positioned in a side-by-side arrangement within a high voltage region.
6. The electrical replacement connector of claim 1, wherein the low voltage region has a ground terminal and a low voltage terminal therein.
7. The electrical replacement connector of claim 1, wherein the bulkhead is disposed vertically within the terminal box, the bulkhead forming a high voltage area and a low voltage area on opposite sides of the bulkhead.
8. The electrical replacement connector of claim 1 wherein the temperature sensing chamber has oppositely disposed temperature sensing regions and openings, the temperature sensing regions being connected to the bulkhead with the openings facing the low pressure region.
9. The electrical replacement connector of claim 1, wherein the temperature sensor is connected to the battery management system by a wire harness that exits through the opening of the temperature measurement chamber to a low voltage area for connection to the battery management system.
10. Battery pack, characterized in that it comprises a battery body connected by a change connector according to any of claims 1-9.
CN202321621422.1U 2023-06-21 2023-06-21 Change electric connector and contain battery package of this change electric connector Active CN220400821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321621422.1U CN220400821U (en) 2023-06-21 2023-06-21 Change electric connector and contain battery package of this change electric connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321621422.1U CN220400821U (en) 2023-06-21 2023-06-21 Change electric connector and contain battery package of this change electric connector

Publications (1)

Publication Number Publication Date
CN220400821U true CN220400821U (en) 2024-01-26

Family

ID=89599487

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321621422.1U Active CN220400821U (en) 2023-06-21 2023-06-21 Change electric connector and contain battery package of this change electric connector

Country Status (1)

Country Link
CN (1) CN220400821U (en)

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