CN220492357U - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN220492357U CN220492357U CN202321940740.4U CN202321940740U CN220492357U CN 220492357 U CN220492357 U CN 220492357U CN 202321940740 U CN202321940740 U CN 202321940740U CN 220492357 U CN220492357 U CN 220492357U
- Authority
- CN
- China
- Prior art keywords
- adapter
- temperature
- temperature sensor
- electrical connector
- connecting part
- 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.)
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Links
- 238000003466 welding Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000003351 stiffener Substances 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses an electric connector, which comprises a plug connector, a switching piece, a conductive device and a temperature sensor, wherein the plug connector is provided with a columnar first connecting part, the switching piece comprises a switching part and a second connecting part, the switching part is integrally arranged, the shape of the second connecting part is matched with that of the first connecting part, the first connecting part is in friction welding with the second connecting part, the conductive device is in welding connection with the switching part, a temperature measuring hole is formed in the switching piece, and the temperature sensor is at least partially arranged in the temperature measuring hole and is used for monitoring the temperature of the switching piece. The temperature sensor is simple to install, accurate in temperature sensing and reliable in structure, and plays a role in enhancing the safety performance of the new energy vehicle in the charging process.
Description
Technical Field
The utility model relates to the technical field of electric connection, in particular to an electric connector.
Background
The new energy automobile charging seat temperature sensor is an electrical element for monitoring the temperature of a terminal, the charging time of the charging seat is prolonged, the charging current is increased, the temperature of the terminal is increased along with the increase of the charging time, the existing temperature sensor is not well attached to the terminal of the charging seat, the temperature monitoring is inaccurate, the temperature of the terminal is very high, the output temperature of the temperature sensor is very low, the real-time temperature of the charging seat cannot be timely transmitted to the whole automobile, the spontaneous combustion risk is easily generated when the new energy automobile is charged, and meanwhile, in order to reserve a temperature sensing installation hole site, the whole weight of a copper terminal is reduced, the light-weight requirement of the whole automobile is met, and the inventor needs a new structure to solve the problems.
Disclosure of Invention
The utility model aims to provide an electric connector which comprises a plug connector, an adapter, a conductive device and a temperature sensor,
the connector is provided with a columnar first connecting part, the adapter comprises an integrally arranged adapter part and a second connecting part with the shape matched with that of the first connecting part,
the first connecting part and the second connecting part are in friction welding, the conductive device is in welding connection with the switching part,
the temperature measuring hole is formed in the adapter, and the temperature sensor is at least partially arranged in the temperature measuring hole and used for monitoring the temperature of the adapter.
Optionally, the plug connector is made of copper, copper alloy, aluminum or aluminum alloy, and the adapter is made of aluminum or aluminum alloy.
Optionally, the temperature sensor further comprises a heat conduction connecting piece, wherein the heat conduction connecting piece is filled between the periphery of the temperature sensor and the inner wall of the temperature measuring hole.
Optionally, after the temperature sensor is inserted into the temperature measuring hole, the heat conducting connecting piece is injection molded between the temperature sensor and the inner wall of the temperature measuring hole through an integral injection molding process.
Optionally, the material of the heat conduction connecting piece is high heat conduction epoxy resin.
Optionally, the conductive device is an aluminum bar.
Optionally, the switching portion is a column, and an axial end face of the conductive device is connected with the switching portion through rotary friction welding.
Optionally, the conductive device is a multi-core ribbon.
Optionally, at least the periphery of the end part of the conductive device is covered with the reinforcement member to be connected in a matched manner to form a connecting device, the adapting part is flat, and the axial end surface of the connecting device is welded with the adapting part in a friction stir welding manner.
Optionally, the stiffener is welded or crimped to the conductive device.
The utility model has the following technical effects:
1. the heat conduction connecting piece is molded between the temperature sensor and the inner wall of the temperature measuring hole through an integral injection molding process, the temperature of the terminal can be accurately sensed, the installation is simple, the temperature sensor is firmly attached, the temperature sensing is accurate, the structure is reliable, and the safety performance of a new energy vehicle in the charging process is enhanced.
2. The heat conduction connecting piece cladding is at temperature sensor's periphery and with the inner wall laminating of temperature measurement hole, can be fast accurately with the temperature transmission of terminal for temperature sensor.
3. The reinforcement is coated on the outer peripheral surface of at least the flat portion to form the connecting device after being crimped or welded, so that the connection strength of friction stir welding between the terminal and the connecting device is improved.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which 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 principles of the utility model.
FIG. 1 is a cross-sectional view of the structure of an electrical connector of the present utility model;
FIG. 2 is an exploded view of the connection of the temperature sensor to the adapter of the present utility model;
FIG. 3 is a schematic view of an embodiment of an electrical connector according to the present utility model;
FIG. 4 is a schematic view of another embodiment of an electrical connector according to the present utility model;
fig. 5 is a schematic structural view of another embodiment of the electrical connector of the present utility model.
10. A plug-in component; 20. an adapter; 30. a conductive device; 40. a temperature sensor; 50. a thermally conductive connection; 60. a reinforcing member;
11. a first connection portion; 21. a switching part; 22. a second connecting portion; 23. a temperature measuring hole; 41. a temperature sensing wire.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
An electrical connector as shown in fig. 1-5, comprising a plug 10, a connector 20, a conductive device 30 and a temperature sensor 40, wherein the plug 10 is provided with a columnar first connecting portion 11, the connector 20 comprises an integrally arranged connector portion 21 and a second connecting portion 22 with a matched shape of the first connecting portion 11, the first connecting portion 11 and the second connecting portion 22 are in friction welding, the conductive device 30 and the connector portion 21 are in welding connection,
the adaptor 20 is provided with a temperature measuring hole 23, and the temperature sensor 40 is at least partially disposed in the temperature measuring hole 23 for monitoring the temperature of the adaptor 20.
The terminal is an integral structure of the connector 10 and the adapter 20 after being welded.
In an embodiment, the material of the plug 10 is copper or copper alloy, and the material of the adapter 20 is aluminum or aluminum alloy. The plug connector 10 is generally in plug connection with the opposite plug terminals, and the plug connector 10 can be specifically made of tellurium copper, has good conductivity and excellent processability, and is used for transmitting current between a charging gun and a battery of a new energy automobile.
The adaptor 20 can be a cast aluminum terminal, and specifically uses Al6061 aluminum, and has the advantages of high hardness, convenient welding connection, and reduction of the overall cost of the adaptor 10 and the adaptor 20 and the weight of the overall terminal through casting molding, thereby achieving the purposes of light weight and cost saving. The conductive device 30 is generally a wire, the connector 10, the adapter 20 and the conductive device 30 are sequentially connected.
The first connecting part 11 of the plug connector 10 and the second connecting part 22 of the adapter 20 are subjected to rotary friction welding, so that mass production can be realized, and labor cost is saved.
The conductive device 30 is made of aluminum or aluminum alloy, the conductive device 30 can be a multi-core wire or a single-core wire, and the adapter 21 is connected with the conductive device 30 for convenience, and the shape of the adapter is set to be matched with the shape of the conductive device 30.
In one embodiment, as shown in fig. 3, when the conductive device 30 is an aluminum rod, the adapting portion 21 is a cylindrical body, and an axial end surface of the conductive device 30 is connected with the adapting portion 21 by friction welding.
In another embodiment, as shown in fig. 1 and 5, the conductive device 30 is a multi-core ribbon, and may be a braided wire. The end of the conductive device 30 is at least covered with the reinforcement member 60 at the periphery to form a connection device, the adapter part 21 is flat, and the axial end surface of the connection device is friction stir welded with the axial end surface of the adapter part 21.
In one embodiment, the material of the stiffener 60 is aluminum or aluminum alloy, and the stiffener 60 is welded or crimped with the conductive device 30.
The welding of the stiffener 60 to the conductive device 30 may be, in particular, ultrasonic welding, resistance welding, soldering or similar welding methods.
The reinforcing member 60 may be a sheet-shaped conductor, which is crimped or welded to form the connection means after being wrapped around the outer peripheral surface of the end portion of the conductive means 30. In this embodiment, the reinforcement 60 may also be a cylindrical sleeve that is crimped or welded over the end of the conductive device 30 to form a connection device.
The reinforcing member 60 is coated on at least the outer peripheral surface of the flat portion to form the connection means after crimping or welding, and improves the connection strength of friction stir welding between the terminal and the connection means.
In yet another embodiment, as shown in fig. 4, the conductive device 30 is a solid flat aluminum ribbon, the adapter 21 is flat, and the axial end surface of the connection device is directly friction stir welded to the axial end surface of the adapter 21.
After the adapter 20 and the conductive device 30 are welded, processes such as bending and riveting can be performed, so that the welding adaptation capability between the adapter 20 and the conductive device 30 is greatly improved, and the welding process of friction stir welding has no smoke, no air holes, no welding wire and no protective gas, and can ensure a good production environment.
In an embodiment, at least the outer circumferential surface of the wire arrangement is further provided with an insulating layer.
As shown in fig. 2, the electrical connector further includes a heat conductive connecting member 50, and the heat conductive connecting member 50 is filled between the outer circumference of the temperature sensor 40 and the inner wall of the temperature measuring hole 23.
The heat conducting connecting piece 50 is coated on the periphery of the temperature sensor 40 and is attached to the inner wall of the temperature measuring hole 23, so that the temperature of the terminal can be quickly and accurately transmitted to the temperature sensor 40.
In one embodiment, after the temperature sensor 40 is inserted into the temperature measuring hole 23, the heat conducting connecting member 50 is integrally molded between the temperature sensor 40 and the inner wall of the temperature measuring hole 23.
The heat conduction connecting piece 50 is molded between the temperature sensor 40 and the inner wall of the temperature measuring hole 23 through an integral molding process, the temperature of the terminal can be accurately sensed, the installation is simple, the temperature sensor 40 is firmly attached, the temperature sensing is accurate, the structure is reliable, and the safety performance of the new energy vehicle in the charging process is enhanced. In one embodiment, the heat-conducting connecting piece 50 is made of high heat-conducting epoxy resin, the temperature resistance level of the epoxy resin glue is between-55 ℃ and 200 ℃, and the temperature sensor 40 is quickly fixed after the epoxy resin is solidified.
In a specific embodiment, one end of the temperature sensor 40 is disposed in the temperature measuring hole 23 for measuring the temperature of the terminal, and the other end of the temperature sensor 40 is connected to the temperature sensing wire 41. The coaxiality of the temperature sensor 40 and the temperature measuring hole 23 is less than 0.2mm, and the performance requirement of an electric gap between the temperature sensor 40 and the inner wall of the temperature measuring hole 23 is met.
The temperature sensor 40 transmits the output voltage signal to the temperature sensing wire 41, the temperature sensing wire 41 transmits the voltage signal to the main circuit board, the main circuit board converts the output voltage signal into a temperature signal, and the main circuit board calculates the real-time temperature of the adapter 20 according to a program and transmits the signal to the whole vehicle.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (10)
1. An electric connector is characterized by comprising a plug connector, an adapter, a conductive device and a temperature sensor,
the connector is provided with a columnar first connecting part, the adapter comprises an integrally arranged adapter part and a second connecting part with the shape matched with that of the first connecting part,
the first connecting part and the second connecting part are in friction welding, the conductive device is in welding connection with the switching part,
the temperature measuring hole is formed in the adapter, and the temperature sensor is at least partially arranged in the temperature measuring hole and used for monitoring the temperature of the adapter.
2. The electrical connector of claim 1, wherein the plug is copper, copper alloy, aluminum or aluminum alloy, and the adapter is aluminum or aluminum alloy.
3. The electrical connector of claim 1, further comprising a thermally conductive connection filled between an outer periphery of the temperature sensor and an inner wall of the temperature measurement hole.
4. The electrical connector of claim 3, wherein the thermally conductive connector is injection molded between the temperature sensor and the inner wall of the temperature measurement hole by an integral injection molding process after the temperature sensor is inserted into the temperature measurement hole.
5. The electrical connector of claim 3, wherein the thermally conductive connecting member is made of a highly thermally conductive epoxy.
6. The electrical connector of claim 1, wherein the conductive means is an aluminum rod.
7. The electrical connector of claim 6, wherein the adapter is a cylindrical body and the axial end surface of the conductive device is in rotational friction welding connection with the adapter.
8. The electrical connector of claim 1, wherein the conductive means is a multi-core ribbon.
9. The electrical connector of claim 8, wherein the end portions of the conductive means are matingly connected with at least the peripheral cladding reinforcement member and form a connecting means, the adapter portion is flat, and the axial end face of the connecting means is friction stir welded with the adapter portion.
10. The electrical connector of claim 9, wherein the stiffener is soldered or crimped to the conductive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321940740.4U CN220492357U (en) | 2023-07-24 | 2023-07-24 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321940740.4U CN220492357U (en) | 2023-07-24 | 2023-07-24 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492357U true CN220492357U (en) | 2024-02-13 |
Family
ID=89837289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321940740.4U Active CN220492357U (en) | 2023-07-24 | 2023-07-24 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492357U (en) |
-
2023
- 2023-07-24 CN CN202321940740.4U patent/CN220492357U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |