Connector and connector assembly

By designing a temperature measuring device in direct thermal contact with the conductive terminals and electrical transmission components in the connector, the problem of untimely and inaccurate temperature detection in the prior art is solved, and safe and reliable temperature detection of high-voltage connectors is achieved.

CN120834473APending Publication Date: 2025-10-24TYCO ELECTRONICS (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202410487718.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-10-24

AI Technical Summary

Technical Problem

In the prior art, temperature detection devices for high-voltage connectors of battery packs and power supplies are usually installed far away from the highest temperature location, resulting in untimely and inaccurate detection and inconvenience in replacement.

Method used

A connector is designed, including a shell, conductive terminals, electrical transmission components, a fastening assembly, an insulating bracket, and a temperature measuring device. The temperature measuring device is in direct thermal contact with the welding portion of the conductive terminals and the electrical transmission components. The temperature sensor is supported by an elastic portion on the insulating bracket to ensure that it is not crushed. The signal transmission component and thermally conductive resin are used to achieve accurate temperature detection.

Benefits of technology

Timely and accurate temperature detection of high-voltage connectors is achieved, the difficulty of replacing temperature measuring devices is reduced, and safety and reliability are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a connector and a connector assembly. The connector includes: a housing; the conductive terminal is arranged in the shell; the electric transmission piece extends into the shell and is welded to the conductive terminal; the fastening assembly is used for fastening the conductive terminal to a mating terminal of a mating connector; the insulating bracket is arranged in the shell and is used for holding the conductive terminals; and the temperature measuring device is mounted on the insulating bracket. The conductive terminal and the electric transmission piece are provided with welding parts which are welded together, and the temperature measuring device is in thermal contact with the welding parts so as to detect the temperature of the welding parts. According to the connector, the temperature measuring device is in direct thermal contact with the welding parts of the power transmission piece and the conductive terminals, so that the temperature of the connector can be detected timely and accurately.
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Description

TECHNICAL FIELD

[0001] The present application relates to a connector and a connector assembly including the same. BACKGROUND

[0002] In the prior art, a high-voltage connector for electrically connecting a battery pack and a power supply has a high temperature rise during operation, and therefore, the temperature of the high-voltage connector must be monitored in real time to prevent the risk of spontaneous combustion at high temperatures. Generally, the high-voltage connector includes a first connector electrically connected to the power supply through a high-voltage cable and a second connector mounted to a battery pack housing. When the first connector and the second connector are mated, electrical connection between the power supply and the battery pack is achieved. The first connector includes a first terminal welded to the high-voltage cable, and the second connector includes a second terminal adapted to mate with the first terminal. Generally, when charging the battery pack, the temperature of the welded portion of the first terminal and the high-voltage cable is the highest. However, in the prior art, a temperature detection device for detecting the temperature is generally mounted on the second terminal, away from the welded portion of the first terminal having the highest temperature, and therefore, the temperature of the high-voltage connector cannot be detected in a timely and accurate manner. In addition, the second terminal is generally located inside the battery pack housing, and it is inconvenient to replace the temperature detection device. SUMMARY

[0003] The present application aims to solve at least one of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the present application, a connector is provided. The connector includes a housing, a conductive terminal disposed in the housing, an electrical transmission member extending into the housing and welded to the conductive terminal, a fastening assembly for fastening the conductive terminal to a mating terminal of a mating connector, an insulating support mounted in the housing for holding the conductive terminal, and a temperature detection device mounted on the insulating support. The conductive terminal and the electrical transmission member have a welded portion welded together, and the temperature detection device is in thermal contact with the welded portion to detect the temperature of the welded portion.

[0005] According to one exemplary embodiment of the present application, an elastic portion is formed on the insulating support, and the temperature detection device includes a temperature sensor supported on the elastic portion of the insulating support to prevent the temperature sensor from being crushed.

[0006] According to another exemplary embodiment of the present application, the elastic portion is an elastic cantilever formed on the insulating support.

[0007] According to another exemplary embodiment of the present application, the temperature measuring device further includes a signal terminal and a signal transmission member electrically connected between the temperature sensor and the signal terminal, the signal terminal being configured to be mated with a mating signal terminal of a mating connector.

[0008] According to another exemplary embodiment of the present application, the signal transmission member is in a flexible flat band shape, the temperature sensor being electrically connected to one end of the signal transmission member, and the signal terminal being electrically connected to the other end of the signal transmission member.

[0009] According to another exemplary embodiment of the present application, the signal transmission member is a flexible flat cable or a flexible printed circuit board; and the temperature sensor is soldered to one end of the signal transmission member, and the signal terminal is crimped to the other end of the signal transmission member.

[0010] According to another exemplary embodiment of the present application, the signal transmission member is bent in an L shape such that one end of the signal transmission member is perpendicular to the other end of the signal transmission member; and the insulating support has a horizontal slot and a vertical slot formed therein, one end of the signal transmission member being inserted into the horizontal slot, and the other end of the signal transmission member and the signal terminal being inserted into the vertical slot.

[0011] According to another exemplary embodiment of the present application, the temperature measuring device further includes a thermally conductive resin, the temperature sensor being wrapped in the thermally conductive resin, the thermally conductive resin being attached to one end of the signal transmission member and being in thermal contact with the soldered portion to transfer heat of the soldered portion to the temperature sensor.

[0012] According to another exemplary embodiment of the present application, the temperature measuring device further includes a reinforcing frame attached to one end of the signal transmission member and having a receiving cavity, the temperature sensor being received in the receiving cavity of the reinforcing frame; the thermally conductive resin being formed in the receiving cavity of the reinforcing frame and protruding from the reinforcing frame to be in thermal contact with the soldered portion.

[0013] According to another exemplary embodiment of the present application, the soldered portion of the electric transmission member and the conductive terminal is in a flat shape, the soldered portion of the conductive terminal being soldered to a top surface of the soldered portion of the electric transmission member; the thermally conductive resin being located below the soldered portion of the electric transmission member and being in thermal contact with a bottom surface of the soldered portion of the electric transmission member.

[0014] According to another exemplary embodiment of the present application, the signal terminal has a locking tab, a clamping slot communicating with the vertical slot is formed in the insulating support, and the locking tab is engaged into the clamping slot to prevent the signal terminal from being pulled out of the vertical slot.

[0015] According to another exemplary embodiment of the present application, the temperature measuring device further includes a locking member, a receptacle is formed in the insulating support and communicates with the vertical slot, and the locking member is inserted into the vertical slot through the receptacle and abuts against a limiting step of the signal terminal to prevent the signal terminal from being pulled out of the vertical slot.

[0016] According to another exemplary embodiment of the present application, the housing includes an outer shield housing having a front end wall and a rear end port opposite to each other in a longitudinal direction thereof, and a top wall and a bottom opening opposite to each other in a height direction thereof, and an inner insulating housing inserted into the outer shield housing through the rear end port and formed with an insertion cavity communicating with the rear end port and the bottom opening, and the insulating support is installed into the bottom opening of the outer shield housing and engaged to the inner insulating housing, and the conductive terminal is inserted into the insertion cavity of the inner insulating housing.

[0017] According to another exemplary embodiment of the present application, the conductive terminal includes a flat terminal having one end welded to the electrical transmission member, and a cylindrical terminal having one end fixed to the other end of the flat terminal. The insulating support includes a frame on which the temperature measuring device is installed, and a cylinder connected to the frame, the other end of the cylindrical terminal being held in the cylinder for electrical contact with an end surface of a mating terminal inserted into the cylinder.

[0018] According to another exemplary embodiment of the present application, an elastic catch is formed in the frame of the insulating support, and the elastic catch is engaged to the inner insulating housing to fix the insulating support to the inner insulating housing.

[0019] According to another exemplary embodiment of the present application, a mounting port is formed in the top wall of the outer shield housing, and the fastening assembly includes a bolt entering the inner insulating housing through the mounting port and passing through the conductive terminal, and the bolt is adapted to be threadedly connected with a nut in the mating terminal or the mating connector for fastening the conductive terminal to the mating terminal.

[0020] According to another exemplary embodiment of the present application, the fastening assembly further includes an insulating end cap sleeved on or formed on an end portion of the bolt, a first insulator formed on a head portion of the bolt, a shield cap for being mounted to the mounting port of the outer shield housing, and a second insulator formed on an inner side of the shield cap. The first insulator and the second insulator are engaged to engage the shield cap and the bolt together and to electrically isolate the shield cap and the bolt from each other, and the shield cap is adapted to cap the mounting port and to electrically contact with an outer peripheral surface of a peripheral wall of the mounting port to prevent electromagnetic leakage.

[0021] According to another exemplary embodiment of the present application, the fastening assembly further comprises a sealing ring sleeved on the second insulator and adapted to be radially pressed between the second insulator and the inner circumferential surface of the peripheral wall of the mounting port to seal the mounting port.

[0022] According to another exemplary embodiment of the present application, the connector further comprises a sealing ring installed in the groove of the bottom wall of the outer shielding shell. When the connector is mated with the counterpart connector, the peripheral part of the mating shielding shell of the counterpart connector is inserted into the groove of the outer shielding shell and electrically contacts with the outer shielding shell, and the sealing ring is radially pressed between the outer shielding shell and the mating shielding shell to achieve sealing therebetween.

[0023] According to another exemplary embodiment of the present application, the connector further comprises a sealing member inserted into the rear port of the outer shielding shell for sealing the rear port of the outer shielding shell. The electrical transmission member passes through the sealing member, and the sealing member is pressed between the electrical transmission member and the inner circumferential surface of the rear port of the outer shielding shell.

[0024] According to another exemplary embodiment of the present application, the connector further comprises a rear end cover installed on the rear end of the outer shielding shell and formed with a through hole allowing the electrical transmission member to pass through, the rear end cover being used to fix the electrical transmission member to the rear end of the outer shielding shell to prevent the electrical transmission member from shaking.

[0025] According to another exemplary embodiment of the present application, the connector comprises two electrical transmission members, two conductive terminals respectively welded to the two electrical transmission members, and two fastening assemblies respectively used to fasten the two conductive terminals to two counterpart terminals; the connector comprises two temperature measuring devices, one of which is used to detect the temperature of the welded part of one electrical transmission member and one conductive terminal, and the other of which is used to detect the temperature of the welded part of the other electrical transmission member and the other conductive terminal.

[0026] According to another exemplary embodiment of the present application, the connector further comprises a high-voltage interlocking terminal fixed in the insulating support and used to mate with a counterpart interlocking terminal of a counterpart connector. When the connector is mated with the counterpart connector, the high-voltage interlocking terminal mates with the counterpart interlocking terminal to turn on a low-voltage control circuit; when the low-voltage control circuit is turned on, the low-voltage control circuit controls a power supply to supply power to a high-voltage load circuit connected with the conductive terminals and the counterpart terminals, otherwise the power supply does not supply power to the high-voltage load circuit.

[0027] According to another aspect of the present application, a connector assembly is provided. The connector assembly includes a connector and a mating connector. The mating connector mates with the connector. The mating connector includes a mating shield shell adapted to mate with an outer shield shell of the connector, a mating insulating shell mounted in the mating shield shell and adapted to mate with an inner insulating shell of the connector, and mating terminals disposed in the mating insulating shell and adapted to be fastened to conductive terminals of the connector.

[0028] According to another exemplary embodiment of the present application, the mating connector further includes a signal module including an insulator mounted in the mating insulating shell, mating signal terminals disposed in the insulator, and mating interlock terminals disposed in the insulator. When the mating connector mates with the connector, the mating signal terminals are electrically connected to signal terminals of the temperature measuring device, and the mating interlock terminals mate with high voltage interlock terminals of the connector.

[0029] According to another exemplary embodiment of the present application, the mating connector further includes a jumper terminal disposed in the mating insulating shell for electrically connecting the signal terminals and the mating signal terminals. One end of the jumper terminal is inserted into the mating signal terminals of the signal module to be electrically connected to the mating signal terminals. The other end of the jumper terminal is adapted to be inserted into the signal terminals of the temperature measuring device to be electrically connected to the signal terminals.

[0030] In the foregoing exemplary embodiments according to the present application, the temperature measuring device is in direct thermal contact with the soldered portions of the power transmission members and the conductive terminals, and thus, the temperature of the connector can be detected in time and accurately.

[0031] Other objects and advantages of the present application will be readily apparent and fully understood from the following detailed description of the application, when considered in connection with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 FIG. 1 shows a perspective view of a connector according to an exemplary embodiment of the present application;

[0033] Figure 2 FIG. 2 shows a longitudinal sectional view of the connector according to an exemplary embodiment of the present application;

[0034] Figure 3 FIG. 3 shows a perspective view of a housing of the connector according to an exemplary embodiment of the present application;

[0035] Figure 4 FIG. 4 shows an exploded view of the connector according to an exemplary embodiment of the present application;

[0036] Figure 5 perspective view of the electrical transmission member, the conductive terminal and the mounting bracket of the connector according to an exemplary embodiment of the present application, showing the temperature measuring device in thermal contact with the solder portion of the electrical transmission member;

[0037] Figure 6 perspective view of the mounting bracket and the temperature measuring device of the connector according to an exemplary embodiment of the present application, showing the assembly of the mounting bracket and the temperature measuring device;

[0038] Figure 7 perspective view of the mounting bracket and the temperature measuring device of the connector according to an exemplary embodiment of the present application, showing the assembly of the mounting bracket and the temperature measuring device;

[0039] Figure 8 perspective view of the mounting bracket and the temperature measuring device of the connector according to an exemplary embodiment of the present application, showing the assembly of the mounting bracket and the temperature measuring device;

[0040] Figure 9 perspective view of the temperature measuring device of the connector according to an exemplary embodiment of the present application;

[0041] Figure 10 perspective view of the temperature measuring device of the connector according to an exemplary embodiment of the present application;

[0042] Figure 11 perspective view of the temperature measuring device of the connector according to an exemplary embodiment of the present application;

[0043] Figure 12 perspective view of the temperature measuring device of the connector according to an exemplary embodiment of the present application, showing the locking member in the locked position;

[0044] Figure 13 perspective view of the temperature measuring device of the connector according to an exemplary embodiment of the present application, showing the locking member in the unlocked position;

[0045] Figure 14 perspective view of the connector and the counter connector according to an exemplary embodiment of the present application;

[0046] Figure 15 perspective view of the signal module of the counter connector according to an exemplary embodiment of the present application. DETAILED DESCRIPTION

[0047] The technical solutions of the present application will be further described below with reference to the embodiments and in conjunction with the drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the drawings is intended to explain the general inventive concept of the present application and should not be construed as limiting the present application in any way.

[0048] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to simplify the drawings.

[0049] According to one general inventive concept of the present application, a connector is provided. The connector includes a housing, a conductive terminal disposed in the housing, an electrical transmission member protruding into the housing and welded to the conductive terminal, a fastening assembly for fastening the conductive terminal to a mating terminal of a mating connector, an insulating holder mounted in the housing for holding the conductive terminal, and a temperature measuring device mounted on the insulating holder. The conductive terminal and the electrical transmission member have a weld portion welded to each other, and the temperature measuring device is in thermal contact with the weld portion to detect a temperature of the weld portion.

[0050] Figure 1 A perspective view schematically showing a connector according to an exemplary embodiment of the present application; Figure 2 A longitudinal sectional view schematically showing a connector according to an exemplary embodiment of the present application; Figure 3 A perspective view schematically showing a housing 1 of a connector according to an exemplary embodiment of the present application; Figure 4 An exploded view schematically showing a connector according to an exemplary embodiment of the present application; Figure 5 A perspective view schematically showing an electrical transmission member 3, a conductive terminal 2, and a mounting holder 5 of a connector according to an exemplary embodiment of the present application, in which a temperature measuring device 6 is shown in thermal contact with a weld portion 3a of the electrical transmission member 3; Figure 6 An assembly view schematically showing a mounting holder 5 and a temperature measuring device 6 of a connector according to an exemplary embodiment of the present application; Figure 7 An exploded view schematically showing a mounting holder 5 and a temperature measuring device 6 of a connector according to an exemplary embodiment of the present application; Figure 8 A transverse sectional view schematically showing a mounting holder 5 and a temperature measuring device 6 of a connector according to an exemplary embodiment of the present application; Figure 9 A perspective view schematically showing a temperature measuring device 6 of a connector according to an exemplary embodiment of the present application; Figure 10An exploded schematic diagram showing a temperature measuring device 6 of a connector according to an exemplary embodiment of the present invention; Figure 11 Another exploded schematic diagram showing a temperature measuring device 6 of a connector according to an exemplary embodiment of the present invention; Figure 12 A perspective schematic diagram showing a temperature measuring device 6 of a connector according to an exemplary embodiment of the present invention, wherein the locking member 65 is in a locked position; Figure 13 A schematic perspective view of a temperature measuring device 6 of a connector according to an exemplary embodiment of the present invention is shown, wherein the locking member 65 is in an unlocked position.

[0051] like Figures 1 to 13 As shown, in an exemplary embodiment of the present invention, a connector is disclosed. The connector includes: a housing 1, a conductive terminal 2, an electrical transmission member 3, a fastening assembly 4, an insulating bracket 5 and a temperature measuring device 6. The conductive terminal 2 is arranged in the housing 1. The electrical transmission member 3 extends into the housing 1 and is welded to the conductive terminal 2. The fastening assembly 4 is used to fasten the conductive terminal 2 to the mating terminal (not shown) of the mating connector (not shown). The insulating bracket 5 is installed in the housing 1 to hold the conductive terminal 2. The temperature measuring device 6 is installed on the insulating bracket 5. The conductive terminal 2 and the electrical transmission member 3 have a welding portion welded to each other, and the temperature measuring device 6 is in thermal contact with the welding portion of the conductive terminal 2 or the electrical transmission member 3 to detect the temperature of the welding portion.

[0052] like Figures 1 to 13 As shown, in the illustrated embodiment, when current flows through the conductive terminal 2 and the power transmission member 3, the temperature of the welding portion of the conductive terminal 2 and the power transmission member 3 is the highest. The temperature measuring device 6 is in direct thermal contact with the welding portion of the power transmission member 3 and the conductive terminal 2, and thus can promptly and accurately detect the temperature of the connector.

[0053] like Figures 1 to 13 As shown, in the illustrated embodiment, an elastic portion 5b is formed on the insulating bracket 5, and the temperature measuring device 6 includes a temperature sensor 60, which is supported on the elastic portion 5b of the insulating bracket 5 to prevent the temperature sensor 60 from being crushed.

[0054] like Figures 1 to 13 As shown, in the illustrated embodiment, the elastic portion 5 b is an elastic cantilever formed on the insulating bracket 5 .

[0055] like Figures 1 to 13 As shown, in the illustrated embodiment, the temperature measuring device 6 also includes a signal terminal 64 and a signal transmission member 63 for electrically connecting between the temperature sensor 60 and the signal terminal 64, and the signal terminal 64 is used to mate with the mating signal terminal (not shown) of the mating connector.

[0056] like Figures 1 to 13As shown in the illustrated embodiment, the signal transmission member 63 is a flexible flat cable or a flexible printed wiring board. The temperature sensor 60 is soldered to one end of the signal transmission member 63, and the signal terminal 64 is crimped to the other end of the signal transmission member 63.

[0057] As shown in the illustrated embodiment, the signal transmission member 63 is a flexible flat cable or a flexible printed wiring board. The temperature sensor 60 is soldered to one end of the signal transmission member 63, and the signal terminal 64 is crimped to the other end of the signal transmission member 63. Figures 1 to 13

[0058] As shown in the illustrated embodiment, the signal transmission member 63 is bent into an L shape so that one end of the signal transmission member 63 is perpendicular to the other end of the signal transmission member 63. The horizontal slot 501 and the vertical slot 502 are formed in the insulating holder 5, one end of the signal transmission member 63 is inserted into the horizontal slot 501, and the other end of the signal transmission member 63 and the signal terminal 64 are inserted into the vertical slot 502. Figures 1 to 13

[0059] As shown in the illustrated embodiment, the temperature measuring device 6 further includes the thermally conductive resin 61, the temperature sensor 60 is wrapped in the thermally conductive resin 61, the thermally conductive resin 61 is attached to one end of the signal transmission member 63 and is in thermal contact with the soldered portion to transfer heat of the soldered portion to the temperature sensor 60. Figures 1 to 13

[0060] As shown in the illustrated embodiment, the temperature measuring device 6 further includes the reinforcing frame 5062, the reinforcing frame 5062 is attached to one end of the signal transmission member 63 and has the accommodation cavity 62a, the temperature sensor 60 is accommodated in the accommodation cavity 62a of the reinforcing frame 5062. The thermally conductive resin 61 is formed in the accommodation cavity 62a of the reinforcing frame 5062 and protrudes from the reinforcing frame 5062 to be in thermal contact with the soldered portion. Figures 1 to 13

[0061] As shown in the illustrated embodiment, the soldered portion of the electric transmission member 3 and the conductive terminal 2 is flat, the soldered portion of the conductive terminal 2 is soldered to the top surface of the soldered portion 3a of the electric transmission member 3. The thermally conductive resin 61 is located below the soldered portion 3a of the electric transmission member 3 and is in thermal contact with the bottom surface of the soldered portion 3a of the electric transmission member 3. Figures 1 to 13

[0062] As shown in the illustrated embodiment, the signal terminal 64 has the locking spring 64a. The card slot 503 is formed in the insulating holder 5 and communicates with the vertical slot 502, the locking spring 64a is engaged into the card slot 503 to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13

[0063] As shown in the illustrated embodiment, the signal terminal 64 has the locking spring 64a. The card slot 503 is formed in the insulating holder 5 and communicates with the vertical slot 502, the locking spring 64a is engaged into the card slot 503 to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13 ​​​​​​As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502.

[0064] As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13 As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502.

[0065] As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13 As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502.

[0066] As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13 As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502.

[0067] As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13 As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502.

[0068] As shown in the illustrated embodiment, the temperature measuring device 6 further includes a locking member 65, a receptacle 504 is formed in the insulating support 5 and communicates with the vertical slot 502, the locking member 65 is inserted into the vertical slot 502 via the receptacle 504 and abuts against the limiting step 64b of the signal terminal 64, so as to prevent the signal terminal 64 from being pulled out of the vertical slot 502. Figures 1 to 13As shown, in the illustrated embodiment, the fastening assembly 4 further includes: an insulating end cap 42, a first insulator 43, a shielding cap 44, and a second insulator 45. The insulating end cap 42 is sleeved on or molded onto the end of the bolt 41. The first insulator 43 is formed on the head of the bolt 41. The shielding cap 44 is used to be mounted on the mounting port 103 of the outer shielding shell 11. The second insulator 45 is formed on the inner side of the shielding cap 44. The first insulator 43 and the second insulator 45 are joined to join the shielding cap 44 and the bolt 41 together and to electrically isolate the shielding cap 44 from the bolt 41. The shielding cap 44 is suitable for covering the mounting port 103 and is suitable for electrically contacting the outer peripheral surface of the peripheral wall of the mounting port 103 to prevent electromagnetic leakage.

[0069] like Figures 1 to 13 As shown, in the illustrated embodiment, the fastening assembly 4 further includes a sealing ring 46 , which is sleeved on the second insulator 45 and adapted to be radially compressed between the second insulator 45 and the inner circumferential surface of the peripheral wall of the mounting port 103 to seal the mounting port 103 .

[0070] like Figures 1 to 13 As shown, in the illustrated embodiment, the connector further includes a sealing ring 7, which is mounted in a groove 104 in the bottom wall of the outer shield shell 11. When the connector is mated with a mating connector, the peripheral portion of the mating shield shell of the mating connector is inserted into the groove 104 of the outer shield shell 11 and electrically contacts the outer shield shell 11, and the sealing ring 7 is radially squeezed between the outer shield shell 11 and the mating shield shell to achieve a seal between the two.

[0071] like Figures 1 to 13 As shown, in the illustrated embodiment, the connector further includes a sealing member 8, which is inserted into the rear port 101 of the outer shield shell 11 to seal the rear port 101 of the outer shield shell 11. The power transmission member 3 passes through the sealing member 8, and the sealing member 8 is squeezed between the power transmission member 3 and the inner circumference of the rear port 101 of the outer shield shell 11.

[0072] like Figures 1 to 13 As shown, in the illustrated embodiment, the connector further includes a rear end cover 9, which is mounted on the rear end of the outer shield shell 11 and is formed with a through hole for allowing the power transmission member 3 to pass through. The rear end cover 9 is used to fix the power transmission member 3 to the rear end of the outer shield shell 11 to prevent the power transmission member 3 from shaking.

[0073] like Figures 1 to 13As shown, in the illustrated embodiment, the connector includes two electrical transmission members 3, two conductive terminals 2, and two fastening assemblies 4. The two conductive terminals 2 are respectively welded to the two electrical transmission members 3, and the two fastening assemblies 4 are used to fasten the two conductive terminals 2 to two mating terminals. The connector includes two temperature measuring devices 6, one of which is used to detect the temperature of the weld between one electrical transmission member 3 and one conductive terminal 2, and the other is used to detect the temperature of the weld between the other electrical transmission member 3 and the other conductive terminal 2.

[0074] like Figures 1 to 13 As shown, in another exemplary embodiment of the present invention, a connector assembly is further disclosed. The connector assembly includes: a connector and a mating connector, and the mating connector is mated with the connector. Although not shown in the figure, the mating connector is mounted on the battery pack housing, and the mating terminals in the mating connector are electrically connected to the busbars in the battery pack. The connector is electrically connected to the charging station via an electrical transmission member. When the connector is mated with the mating connector, an electrical connection is achieved between the battery pack and the charging station. In the illustrated embodiment, the connector is located outside the battery pack housing, and therefore, the temperature measuring device 6 is relatively convenient to replace.

[0075] Figures 1 to 13 A perspective schematic diagram showing a connector and a mating connector according to an exemplary embodiment of the present invention; Figures 1 to 13 A perspective schematic diagram shows a signal module mating with a connector according to an exemplary embodiment of the present invention.

[0076] like Figures 1 to 13 As shown, in the illustrated embodiment, the connector further includes a high-voltage interlock terminal 66. The high-voltage interlock terminal 66 is fixed in the insulating bracket 5 and is used to mate with the mating interlock terminal 66' of the mating connector. When the connector is mated with the mating connector, the high-voltage interlock terminal 66 mates with the mating interlock terminal 66' to connect the low-voltage control circuit (not shown). When the low-voltage control circuit is connected, the low-voltage control circuit controls the power supply (not shown) to supply power to the high-voltage load circuit (not shown) connected to the conductive terminal 2 and the mating terminal 2'. Otherwise, the power supply will not supply power to the high-voltage load circuit.

[0077] like Figures 1 to 13 As shown, in the illustrated embodiment, the mating connector includes a mating shielding shell 11', a mating insulating shell 12', and a mating terminal 2'. The mating shielding shell 11' is adapted to mate with the outer shielding shell 11 of the connector. The mating insulating shell 12' is mounted within the mating shielding shell 11' and adapted to mate with the inner insulating shell 12 of the connector. The mating terminal 2' is disposed within the mating insulating shell 12' and adapted to be fastened to the conductive terminal 2 of the connector.

[0078] like Figures 1 to 13As shown in the illustrated embodiment, the mating connector further includes a signal module 6'. The signal module 6' includes an insulator 60', a mating signal terminal 64', and a mating interlock terminal 66'. The insulator 60' is mounted in the mating insulating housing 12'. The mating signal terminal 64' is disposed in the insulator 60'. The mating interlock terminal 66' is disposed in the insulator 60'. When the mating connector is mated with the connector, the mating signal terminal 64' is electrically connected to the signal terminal 64 of the temperature measuring device 6, and the mating interlock terminal 66' is mated with the high voltage interlock terminal 66 of the connector.

[0079] As shown in the illustrated embodiment, the mating connector further includes a signal module 6'. The signal module 6' includes an insulator 60', a mating signal terminal 64', and a mating interlock terminal 66'. The insulator 60' is mounted in the mating insulating housing 12'. The mating signal terminal 64' is disposed in the insulator 60'. The mating interlock terminal 66' is disposed in the insulator 60'. When the mating connector is mated with the connector, the mating signal terminal 64' is electrically connected to the signal terminal 64 of the temperature measuring device 6, and the mating interlock terminal 66' is mated with the high voltage interlock terminal 66 of the connector. Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to 13 Figures 1 to As shown in the illustrated embodiment, the mating connector further includes a signal module 6'. The signal module 6' includes an insulator 60', a mating signal terminal 64', and a mating interlock terminal 66'. The insulator 60' is mounted in the mating insulating housing 12'. The mating signal terminal 64' is disposed in the insulator 60'. The mating interlock terminal 66' is disposed in the insulator 60'. When the mating connector is mated with the connector, the mating signal terminal 64' is electrically connected to the signal terminal 64 of the temperature measuring device 6, and the mating interlock terminal 66' is mated with the high voltage interlock terminal 66 of the connector.

[0080] Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can make improvements, and the structures described in various embodiments can be freely combined without structural or principle conflicts, and these changes shall fall within the protection scope of the present application.

[0081] Although the present application is illustrated with reference to the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present application, and cannot be understood as a limitation of the present application.

[0082] Although some embodiments of the general concept of the present application have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present application, and the scope of the present application is defined by the claims and their equivalents.

[0083] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "one" or "a" does not exclude a plurality. Additionally, any reference signs in the claims should not be construed as limiting the scope of the application.

Claims

1. A connector characterized by comprising: Comprise: a housing (1); an electrically conductive terminal (2) provided in the housing (1); an electric transmission member (3) extending into the housing (1) and welded to the electrically conductive terminal (2); a fastening assembly (4) for fastening the electrically conductive terminal (2) to a mating terminal of a mating connector; an insulating support (5) mounted in the housing (1) for holding the electrically conductive terminal (2); and a temperature measuring device (6) mounted on the insulating support (5), the electrically conductive terminal (2) and the electric transmission member (3) have a welded portion welded to each other, the temperature measuring device (6) is in thermal contact with the welded portion to detect the temperature of the welded portion.

2. The connector according to claim 1, wherein: an elastic portion (5b) is formed on the insulating support (5), the temperature measuring device (6) comprises a temperature sensor (60) supported on the elastic portion (5b) of the insulating support (5) to prevent the temperature sensor (60) from being crushed. The elastic portion (5b) is an elastic cantilever formed on the insulating support (5).

3. The connector of claim 2, wherein:

4. The connector according to claim 2, wherein: the temperature measuring device (6) further comprises a signal terminal (64) and a signal transmission member (63) for electrically connecting between the temperature sensor (60) and the signal terminal (64), the signal terminal (64) is used for mating with a mating signal terminal of a mating connector.

5. The connector according to claim 4, wherein: the signal transmission member (63) is in a flexible flat band shape, the temperature sensor (60) is electrically connected to one end of the signal transmission member (63), and the signal terminal (64) is electrically connected to the other end of the signal transmission member (63).

6. The connector according to claim 5, wherein: the signal transmission member (63) is a flexible flat cable or a flexible printed circuit board; and the temperature sensor (60) is welded to one end of the signal transmission member (63), and the signal terminal (64) is crimped to the other end of the signal transmission member (63).

7. The connector according to claim 5, wherein: the signal transmission member (63) is bent into an L shape so that one end of the signal transmission member (63) is perpendicular to the other end of the signal transmission member (63); and a horizontal slot (501) and a vertical slot (502) are formed on the insulating support (5), one end of the signal transmission member (63) is inserted into the horizontal slot (501), and the other end of the signal transmission member (63) and the signal terminal (64) are inserted into the vertical slot (502).

8. The connector according to claim 5, wherein: ​ The temperature measuring device (6) further comprises a heat conductive resin (61), the temperature sensor (60) is wrapped in the heat conductive resin (61), the heat conductive resin (61) is attached to one end of the signal transmission member (63) and is in thermal contact with the welding portion to transfer heat of the welding portion to the temperature sensor (60).

9. The connector of claim 8, wherein: The temperature measuring device (6) further comprises a reinforcing frame (50) (62), the reinforcing frame (50) (62) is attached to one end of the signal transmission member (63) and has a receiving cavity (62a), the temperature sensor (60) is received in the receiving cavity (62a) of the reinforcing frame (50) (62); The heat conductive resin (61) is formed in the receiving cavity (62a) of the reinforcing frame (50) (62) and protrudes from the reinforcing frame (50) (62) to be in thermal contact with the welding portion.

10. The connector of claim 8, wherein: The welding portion of the electric transmission member (3) and the conductive terminal (2) is flat, the welding portion of the conductive terminal (2) is welded to the top surface of the welding portion (3a) of the electric transmission member (3); The heat conductive resin (61) is located below the welding portion (3a) of the electric transmission member (3) and is in thermal contact with the bottom surface of the welding portion (3a) of the electric transmission member (3).

11. The connector of claim 7, wherein: The signal terminal (64) has a locking spring (64a), a clamping groove (503) is formed in the insulating support (5) and communicates with the vertical slot (502), the locking spring (64a) is engaged into the clamping groove (503) to prevent the signal terminal (64) from being pulled out of the vertical slot (502).

12. The connector of claim 11, wherein: The temperature measuring device (6) further comprises a locking member (65), a plug hole (504) is formed in the insulating support (5) and communicates with the vertical slot (502), the locking member (65) is inserted into the vertical slot (502) via the plug hole (504) and abuts against a limiting step (64b) of the signal terminal (64) to prevent the signal terminal (64) from being pulled out of the vertical slot (502).

13. The connector of claim 1, wherein: The housing (1) comprises: An outer shielding shell (11) having a front end wall and a rear end port (101) opposite in the longitudinal direction thereof and a top wall and a bottom opening (102) opposite in the height direction thereof; and An inner insulating shell (12) inserted into the outer shielding shell (11) via the rear end port (101) and formed with an insertion cavity (100) communicating with the rear end port (101) and the bottom opening (102), The insulating support (5) is mounted into a bottom opening (102) of the outer shield shell (11) and is engaged to the inner insulating shell (12), and the conductive terminal (2) is inserted into an insertion cavity (100) of the inner insulating shell (12).

14. The connector according to claim 13, wherein: The conductive terminal (2) includes: a flat terminal (21) welded at one end to the electric transmission member (3); and a cylindrical terminal (22) fixed at one end to the other end of the flat terminal (21), The insulating support (5) includes: a frame (50) on which the temperature measuring device (6) is mounted; and a cylindrical body (51) connected to the frame (50), the other end of the cylindrical terminal (22) is held in the cylindrical body (51) for electrical contact with an end face of a mating terminal inserted into the cylindrical body (51).

15. The connector according to claim 14, wherein: an elastic catch (5a) is formed on the frame (50) of the insulating support (5), and the elastic catch (5a) is engaged to the inner insulating shell (12) to fix the insulating support (5) to the inner insulating shell (12).

16. The connector according to claim 13, wherein: a mounting port (103) is formed in a top wall of the outer shield shell (11), and the fastening assembly (4) includes a bolt (41) which enters the inner insulating shell (12) via the mounting port (103) and passes through the conductive terminal (2); the bolt (41) is adapted to be screwed with a nut in the mating terminal or the mating connector for fastening the conductive terminal (2) to the mating terminal.

17. The connector according to claim 16, wherein: The fastening assembly (4) further includes: an insulating end cap (42) sleeved on or formed on an end of the bolt (41); a first insulator (43) formed on a head of the bolt (41); a shield cap (44) for mounting to the mounting port (103) of the outer shield shell (11); and a second insulator (45) formed on an inner side of the shield cap (44), the first insulator (43) and the second insulator (45) are engaged to engage the shield cap (44) and the bolt (41) together and electrically isolate the shield cap (44) and the bolt (41); the shield cap (44) is adapted to cover the mounting port (103) and to be in electrical contact with an outer peripheral surface of a peripheral wall of the mounting port (103) to prevent electromagnetic leakage.

18. The connector according to claim 17, wherein: The fastening assembly (4) further includes: a sealing ring (46) sleeved on the second insulator (45) and adapted to be radially pressed between the second insulator (45) and an inner peripheral surface of the peripheral wall of the mounting port (103) to seal the mounting port (103).

19. The connector of claim 13, wherein, Further comprising: A sealing ring (7) is installed in a groove (104) of a bottom wall of the outer shielding shell (11), When the connector is mated with the mating connector, a peripheral portion of a mating shielding shell of the mating connector is inserted into the groove (104) of the outer shielding shell (11) and electrically contacts the outer shielding shell (11), the sealing ring (7) is radially pressed between the outer shielding shell (11) and the mating shielding shell to achieve sealing between the two.

20. The connector of claim 13, wherein, Further comprising: A sealing member (8) is inserted into a rear port (101) of the outer shielding shell (11) to seal the rear port (101) of the outer shielding shell (11), The electrical transmission member (3) passes through the sealing member (8), and the sealing member (8) is pressed between the electrical transmission member (3) and an inner peripheral surface of the rear port (101) of the outer shielding shell (11).

21. The connector of claim 20, wherein, Further comprising: A rear end cover (9) is installed on a rear end of the outer shielding shell (11) and is formed with a through hole allowing the electrical transmission member (3) to pass through, The rear end cover (9) is used to fix the electrical transmission member (3) to the rear end of the outer shielding shell (11) to prevent the electrical transmission member (3) from shaking.

22. The connector according to claim 13, wherein: The connector includes two electrical transmission members (3), two conductive terminals (2) and two fastening assemblies (4), the two conductive terminals (2) are respectively welded to the two electrical transmission members (3), and the two fastening assemblies (4) are used to fasten the two conductive terminals (2) to two mating terminals respectively; The connector includes two temperature measuring devices (6), one of the two temperature measuring devices (6) is used to detect the temperature of the welded portion of one electrical transmission member (3) and one conductive terminal (2), and the other is used to detect the temperature of the welded portion of the other electrical transmission member (3) and the other conductive terminal (2).

23. The connector of claim 4, wherein, Further comprising: A high-voltage interlocking terminal (66) is fixed in the insulating support (5) and is used to mate with a mating interlocking terminal (66') of a mating connector, When the connector is mated with the mating connector, the high-voltage interlocking terminal (66) mates with the mating interlocking terminal (66') to turn on a low-voltage control circuit; When the low-voltage control circuit is turned on, the low-voltage control circuit controls a power supply to supply power to a high-voltage load circuit connected to the conductive terminal (2) and the mating terminal (2'), otherwise the power supply will not supply power to the high-voltage load circuit.

24. A connector assembly comprising: Including: The connector according to any one of claims 1-23; And A mating connector is mated with the connector, The mating connector includes: A mating shielding shell (11') adapted to mate with the outer shielding shell (11) of the connector; A mating insulating shell (12') installed in the mating shielding shell (11') and adapted to mate with the inner insulating shell (12) of the connector; and A mating terminal (2') provided in the mating insulating shell (12') and adapted to be fastened to the conductive terminal (2) of the connector.

25. The connector assembly according to claim 24, characterized in that: the mating connector further comprises a signal module (6'), the signal module (6') comprising: an insulator (60') mounted in the mating insulating housing (12'); a mating signal terminal (64') arranged in the insulator (60'); and a mating interlock terminal (66') arranged in the insulator (60'), when the mating connector is mated with the connector, the mating signal terminal (64') is electrically connected to the signal terminal (64) of the temperature measuring device (6), and the mating interlock terminal (66') is mated with the high voltage interlock terminal (66) of the connector.

26. The connector assembly according to claim 25, characterized in that: the mating connector further comprises a transfer terminal (67'), the transfer terminal (67') arranged in the mating insulating housing (12') for electrically connecting the signal terminal (64) and the mating signal terminal (64'); one end of the transfer terminal (67') is inserted into the mating signal terminal (64') of the signal module (6') to be electrically connected with the mating signal terminal (64'); the other end of the transfer terminal (67') is adapted to be inserted into the signal terminal (64) of the temperature measuring device (6) to be electrically connected with the signal terminal (64).

Citation Information

Cited By

  • Connectors and connector arrangement

    DE102025115182A1