CN216161972U

CN216161972U - Electrical connector assembly

Info

Publication number: CN216161972U
Application number: CN202122117818.XU
Authority: CN
Inventors: 张勇刚; 郑峰; 胡德乐
Original assignee: Alltop Electronics Suzhou Co Ltd
Current assignee: Alltop Electronics Suzhou Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-04-01
Anticipated expiration: 2031-09-03

Abstract

The utility model provides an electric connector assembly, which comprises at least one temperature-sensing connector, wherein the temperature-sensing connector is provided with an insulating body, a pair of conductive terminals and a temperature-sensing element electrically connected with the conductive terminals, the insulating body is provided with accommodating grooves for accommodating the conductive terminals, and each conductive terminal is provided with a fixing part accommodated in the corresponding accommodating groove, a contact arm arranged at one end of the fixing part and a butt joint arm arranged at the other end, opposite to the fixing part, of the fixing part. The electric connector component is convenient to detach and replace.

Description

Electrical connector assembly

Technical Field

The present invention relates to electrical connector assemblies, and more particularly to an electrical connector assembly with easy removal and replacement.

Background

In the thermal management system of the conventional BMS battery management module for the new energy vehicle, the temperature sensor for sensing the temperature is usually fixed to the PCB or the FPC/FFC by welding, and when the temperature sensor is abnormal, the entire battery pack needs to be disassembled for replacement, which is relatively difficult to disassemble and replace, and may cause damage to components and needs to be re-calibrated.

Accordingly, there is a need for an improved electrical connector assembly that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric connector assembly convenient to disassemble and replace.

In order to achieve the above object, the present invention provides an electrical connector assembly, which includes at least one temperature-sensitive connector, wherein the temperature-sensitive connector includes an insulating body, a pair of conductive terminals and a temperature-sensitive element electrically connected to the conductive terminals, the insulating body has receiving slots for receiving the conductive terminals, and each conductive terminal has a fixing portion received in the corresponding receiving slot, a contact arm disposed at one end of the fixing portion, and a butt-joint arm disposed at the other end of the fixing portion opposite to the fixing portion.

As a further improvement of the present invention, the electrical connector assembly further includes a connecting element electrically connected to the temperature-sensitive connector, and the connecting element is in elastic contact with the abutting arm.

As a further improvement of the present invention, the electrical connector assembly further has a substrate connected to the connecting member, the temperature-sensitive connector is connected to a side portion of the substrate through the connecting member, and the temperature-sensitive connector and the substrate are connected to both ends of the connecting member disposed opposite to each other.

As a further improvement of the utility model, the temperature-sensitive connector is connected to the side part of the substrate or at least partially accommodated in a gap part formed on the side part of the substrate.

As a further improvement of the present invention, the connecting member is integrally formed extending outward from a side edge of the substrate.

As a further improvement of the present invention, the connecting element is mechanically and electrically connected to the substrate.

As a further improvement of the utility model, the connecting element has flexibility.

As a further improvement of the present invention, the insulating housing has a receiving cavity opened toward one side, and the temperature sensing element is at least partially received in the receiving cavity and connected to the contact arm of the conductive terminal in the receiving cavity.

As a further improvement of the present invention, the insulating body has an opening portion that is opened outward toward one side in the height direction of the insulating body, the temperature-sensitive connector further has a cover body that is assembled to the opening portion, the cover body at least partially covers the conductive terminals, the cover body is fastened to the insulating body, and the cover body and the insulating body cover and fix the conductive terminals on both sides of the conductive terminals.

As a further improvement of the present invention, the conductive terminals further have pressing arms extending from the opposite direction of the abutting arms, the cover body abuts against the pressing arms so that the abutting portions of the abutting arms have a tendency of moving downward and are in pressing contact with the connecting element, each conductive terminal further has a clamping arm extending from the fixing portion thereof, the clamping arm is curved and has elasticity so as to elastically abut against the connecting element, and the abutting portions and the clamping arms abut against two opposite sides of the connecting element.

The electric connector assembly is connected with the temperature sensing element by fixing the conductive terminal in the insulating body, so that the electric connector assembly is convenient to detach and replace when the temperature sensing element fails.

Drawings

Fig. 1 is a perspective assembly view of a first embodiment of an electrical connector assembly of the present invention.

Fig. 2 is an exploded perspective view of a temperature sensitive connector and connecting member of the electrical connector assembly of fig. 1.

Fig. 3 is a partial assembly view of the temperature sensitive connector and the connecting member of the electrical connector assembly of fig. 2.

Fig. 4 is a perspective assembly view of the temperature-sensitive connector of the electrical connector assembly shown in fig. 2, in which the insulating body and the temperature-sensitive element are removed and the connecting element is connected.

Fig. 5 is a cross-sectional view of the temperature sensitive connector and connecting element of the electrical connector assembly of fig. 2.

Fig. 6 is a perspective assembly view of a second embodiment of the electrical connector assembly of the present invention.

Fig. 7 is a perspective assembly view of a third embodiment of the electrical connector assembly of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, which illustrate a first embodiment of an electrical connector assembly according to the present invention, the electrical connector assembly 100 includes at least one temperature-sensitive connector, and in the embodiment shown in fig. 1, the electrical connector assembly 100 has a plurality of temperature-sensitive connectors, each of the temperature-sensitive connectors has an insulating body 1, a pair of conductive terminals 2, and a temperature-sensitive element 3 electrically connected to the conductive terminals 2. The electrical connector assembly 100 further comprises a connecting element 5 electrically connected to the temperature sensitive connector correspondingly.

Referring to fig. 2 to 5, the insulating housing 1 has a receiving cavity 120 opened toward one side, specifically, the insulating housing 1 has a main body 11 and a receiving portion 12 extending forward from the main body 11, and the receiving portion 12 has a receiving cavity 120 opened toward one side.

Further, the main body 11 is disposed to be open to the outside toward one side in the height direction thereof to form an open portion 112, specifically, the main body 11 includes a pair of side walls 113 disposed to be opposite to each other and a bottom wall 114 connecting the pair of side walls 113, and the open portion 112 is defined by the pair of side walls 113 and the bottom wall 114 and disposed to be open to the back.

In addition, the main body 11 further has a partition wall 115 formed to protrude upward from the bottom wall 114, and the partition wall 115 is located between the pair of side walls 113 in the lateral direction.

The insulating body 1 further has receiving slots 13 for receiving the conductive terminals 2 and mounting slots 14 communicated with the corresponding receiving slots 13.

Each of the conductive terminals 2 has a fixing portion 21 received in the corresponding receiving slot 13, a contact arm 23 disposed at one end of the fixing portion 21, and an abutting arm 24 disposed at the other end of the fixing portion 21 opposite to the fixing portion, in this embodiment, the fixing portion 21 is fixed in the main body portion 11, the contact arm 23 is exposed in the receiving cavity 120, and the abutting arm 24 has an abutting portion 241 formed by protruding downward.

Each of the conductive terminals 2 further has a pressing arm 25 extending from the opposite direction of the mating arm 24 and a holding arm 26 extending from the fixing portion 21, and the holding arm 26 is bent and elastic. The pressing arm 25 is located on the upper side of the abutting arm 24 and connected to the abutting arm 24 in a U shape, and when the cover 4 covers the opening 112 from above, the cover 4 abuts against the pressing arm 25 and the abutting portion 241 of the abutting arm 24 tends to move downward.

The holding arm 26 is formed to extend backward from the fixing portion 21, and the abutting arm 24 is also curved and has elasticity so that the connecting member 5 and the abutting arm 24 are elastically contacted.

Specifically, in the present embodiment, the fixing portion 21 is U-shaped and includes a pair of fixing plates 212 spaced apart and disposed oppositely in the height direction, and the abutting arms 24 and the clamping arms 26 are formed by extending backward from the corresponding fixing plates 212, so that the clamping arms 26 and the abutting arms 24 together clamp the connecting element 5 therebetween and clamp the connecting element 5 by elastic clamping force at the upper and lower sides of the connecting element 5, thereby ensuring the reliability of the electrical connection of the connecting element 5.

One side of the fixing portion 21 in the transverse direction is a closed side, and the other side of the fixing portion 21 opposite to the closed side is an opening side, and each fixing plate 212 is provided with a barb 2121 which is fixed to the insulating body 1 in an interference manner on the opening side of the fixing portion 21.

Further, the clamping arm 26 has a clamping portion 261 that is arched upward so as to have an elastic deformability, and when the connecting member 5 is inserted into the insulating body 1, the clamping portion 261 presses the connecting member 5 on the lower side thereof. The holding arm 26 further has a tail portion 262 at the rear end thereof and a limiting portion 263 protruding from the tail portion 262 in the transverse direction, wherein the limiting portion 263 extends into a recess 1153 formed on the partition wall 115.

Referring to fig. 1 to 2 and fig. 5, the temperature sensing element 3 is at least partially accommodated in the accommodating cavity 120 and is connected to the contact arm 23 of the conductive terminal 2 in the accommodating cavity 120. Further, the temperature sensing element 3 has a pair of legs 31 welded to the corresponding contact arms 23.

Referring to fig. 2, 3, 5 and 7, the temperature-sensitive connector further includes a cover 4 assembled to the opening 112, the cover 4 at least partially covers the conductive terminals 2, the cover 4 is fastened to the insulating housing 1, and the cover 4 and the insulating housing 1 cover and fix the conductive terminals 2 at two sides of the conductive terminals 2.

The cover 4 abuts against the pressing arm 25 so that the abutting portion 241 of the abutting arm 24 has a downward trend and is in abutting contact with the connecting element 5, the clamping arm 26 elastically abuts against the connecting element 5, and the abutting portion 241 and the clamping arm 26 abut against two opposite sides of the connecting element 5.

The cover 4 has a base 41, a stop block 42 disposed at the edge of the base 41, and a rear stop portion 43 formed to protrude downward from the rear end edge of the base 41, wherein the stop block 42 extends downward from the edge of the base 41 so that the bottom surface thereof is located below the bottom surface of the base 41. Further, the stopper blocks 42 are provided on both sides of the cover 4 in the lateral direction, and the rear stopper portion 43 extends downward beyond the bottom surface of the base portion 41.

The electrical connector assembly 100 further has a substrate 6 connected to the connecting member 5, the temperature sensitive connector is connected to a side portion of the substrate 6 through the connecting member 5, and the temperature sensitive connector and the substrate 6 are connected to opposite ends of the connecting member 5.

The temperature-sensitive connector is connected to the side of the substrate 6 or at least partially accommodated in a notch 62 formed at the side of the substrate 6. Specifically, as shown in fig. 1, in the first embodiment of the present invention, the substrate 6 forms the notch 62 on one side thereof, the notch 62 is disposed on a plane where the substrate 6 is located and is open to one side, that is, the notch 62 is defined by the adjacent and connected U-shaped wall surfaces of the substrates 6, and one of the temperature-sensitive connectors is accommodated in the notch 62.

As shown in fig. 6, in the second embodiment of the present invention, the substrate 6 has the notch 62 formed on one side thereof, the notch 62 is opened to both sides on the plane where the substrate 6 is located, that is, the notch is defined by the wall surfaces of the substrates 6 which are adjacently disposed and connected in an L shape, and one of the temperature-sensitive connectors is accommodated in the notch 62.

As shown in fig. 1 and 6, in the first and second embodiments of the present invention, the connecting element 5 is integrally formed by extending outward from a side edge 601 of the substrate 6, specifically, the substrate 6 may be a Printed Circuit Board (PCB), a flexible printed circuit board (FPC) or a Flexible Flat Cable (FFC), and the connecting element 5 and the substrate 6 are of a one-piece structure.

As shown in fig. 7, in the third embodiment of the present invention, the substrate 6 forms the cutaway portion 62 on one side thereof, the cutaway portion 62 is disposed on the plane of the base portion 6 and is open to one side, one of the temperature-sensitive connectors and the corresponding connecting element 5 are accommodated in the cutaway portion 62, and the connecting element 5 is mechanically and electrically connected to the substrate 6, that is, the connecting element 5 and the substrate 6 are two-piece structures, and the two are detachably connected to each other. Further, the connecting member 5 has flexibility. Specifically, the connection element 5 may be a flexible printed circuit board (FPC) or a Flexible Flat Cable (FFC), and the substrate 6 may be a Printed Circuit Board (PCB), a flexible printed circuit board (FPC) or a Flexible Flat Cable (FFC).

Similarly, the connecting element 5 connected to other temperature-sensitive connectors connected to the side edge of the substrate 6 can be detachably connected to the substrate 6, and will not be described herein.

Further, the connecting element 5 of the electrical connector assembly of the present invention is electrically connected to the mating arm 24 of the corresponding temperature-sensitive connector. When connecting, the connecting element 5 is inserted into the mounting groove 14 of the temperature-sensitive connector from back to front and is pressed against the butting part 241 of the butting arm 24.

In the present invention, the connecting element 5 has a pair of docking tongues 51 arranged side by side in the transverse direction for electrically connecting with the corresponding conductive terminals and a plate body portion 52 located at the rear side of the docking tongues 51, the docking tongues 51 are inserted into the mounting groove 14 and separated by the partition wall 115 in the main body portion 11, and the docking tongues 51 are pressed and limited by the insulative housing 1 and the conductive terminals 2.

Each of the abutting tongues 51 has a protruding portion 512 at one side in the transverse direction thereof, the plate portion 52 is provided with a limiting hole 521 formed therethrough in the height direction, and the protruding portion 512 is stopped and limited by the stop 421 of the cover 4. The rear stop portion 43 of the cover 4 extends downward into the limiting hole 521 to limit and fix the docking tongue 51 at the rear side thereof.

The temperature-sensitive connector further includes an insulating member (not shown) which is accommodated in the insulating body 1 and wraps the temperature-sensitive element 3, and the insulating member wraps a connecting portion between the temperature-sensitive element 3 and the conductive terminal 2. In the illustrated embodiment of the present invention, the temperature sensing element 3 is completely accommodated in the accommodating cavity 120, the pair of leads 31 are connected to the contact arm 23 of the conductive terminal 2, and the insulating member is filled in the accommodating cavity 120 and encloses the temperature sensing element 3 and the connecting portion between the temperature sensing element and the contact arm 23.

As mentioned above, in the illustrated embodiment of the present invention, a plurality of temperature-sensitive connectors are simultaneously connected to the substrate 6 of the electrical connector assembly 100, as shown in fig. 1, the arrangement direction D1 of the temperature-sensitive elements 3 of some of the temperature-sensitive connectors is parallel to the insertion direction D2 of the corresponding connecting elements 5; the direction D3 in which the temperature sensing element 3 of the other part of the temperature sensing connector is arranged is perpendicular to the insertion direction D2 of the corresponding connecting element 5.

The electric connector assembly 100 of the present invention is connected to the temperature sensing element 3 by fixing the conductive terminal 2 in the insulating body 1, so that it is easy to detach and replace when the temperature sensing element 3 fails.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. An electrical connector assembly comprising at least one temperature sensitive connector, comprising: the temperature sensing connector is provided with an insulating body, a pair of conductive terminals and a temperature sensing element electrically connected with the conductive terminals, wherein the insulating body is provided with accommodating grooves for accommodating the conductive terminals, and each conductive terminal is provided with a fixing part accommodated in the corresponding accommodating groove, a contact arm arranged at one end of the fixing part and a butt joint arm arranged at the other end of the fixing part opposite to the fixing part.

2. The electrical connector assembly of claim 1, wherein: the electric connector assembly further comprises a connecting element electrically connected with the temperature sensing connector, and the connecting element is in elastic contact with the butt joint arm.

3. The electrical connector assembly of claim 2, wherein: the electric connector assembly is also provided with a substrate connected with the connecting element, the temperature-sensing connector is connected to the side part of the substrate through the connecting element, and the temperature-sensing connector and the substrate are connected to two ends of the connecting element which are oppositely arranged.

4. The electrical connector assembly of claim 3, wherein: the temperature-sensing connector is connected to the side part of the substrate or at least partially accommodated in a gap part formed by the side part of the substrate.

5. The electrical connector assembly of claim 4, wherein: the connecting element is integrally formed extending outward from a side edge of the substrate.

6. The electrical connector assembly of claim 4, wherein: the connecting element is mechanically and electrically connected with the substrate.

7. The electrical connector assembly of claim 6, wherein: the connecting element has flexibility.

8. The electrical connector assembly of any one of claims 2 to 7, wherein: the insulating body is provided with an accommodating cavity which is opened towards one side, and the temperature sensing element is at least partially accommodated in the accommodating cavity and is connected with the contact arm of the conductive terminal in the accommodating cavity.

9. The electrical connector assembly of claim 8, wherein: the insulating body is provided with an opening part which is opened outwards towards one side in the height direction of the insulating body, the temperature-sensitive connector is also provided with a cover body which is assembled in the opening part, the cover body at least partially covers the conductive terminals, the cover body is buckled with the insulating body, and the cover body and the insulating body cover and fix the conductive terminals at two sides of the conductive terminals.

10. The electrical connector assembly of claim 9, wherein: the conductive terminals are also provided with abutting arms extending reversely from the abutting arms, the cover body abuts against the abutting arms so that the abutting portions of the abutting arms have a downward movement trend and are in abutting contact with the connecting element, each conductive terminal is also provided with a clamping arm extending from a fixing portion of the conductive terminal, the clamping arm is bent and has elasticity so as to elastically abut against the connecting element, and the abutting portions and the clamping arms abut against two sides of the connecting element which are arranged oppositely.