CN219874285U

CN219874285U - PACK low-voltage signal interlocking plug connector

Info

Publication number: CN219874285U
Application number: CN202320706201.8U
Authority: CN
Inventors: 刘斯顺; 姜涛; 郭锋; 郑荣贵; 章飞; 陈凯; 栾剑; 朱心诚
Original assignee: Zhejiang Narada Power Source Co Ltd; Hangzhou Nandu Power Technology Co Ltd
Current assignee: Zhejiang Narada Power Source Co Ltd; Hangzhou Nandu Power Technology Co Ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-10-20
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a PACK low-voltage signal interlocking plug connector which comprises a male seat and a female seat, wherein a female needle and a signal female needle are assembled on the male seat, a male needle and a signal male needle are assembled on the female seat, the signal female needle is respectively arranged at two ends of the male seat, and the signal male needle is respectively arranged at two ends of the female seat. The utility model aims to solve the technical problems in the prior art, and provides a PACK low-voltage signal interlocking plug-in connector, which can solve the technical problems of external use paralysis and even external control misjudgment caused by data transmission failure or error caused by poor contact or contact drop of a male pin and a female pin due to the use condition of a client, and improve the data transmission reliability.

Description

PACK low-voltage signal interlocking plug connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a PACK low-voltage signal interlocking connector.

Background

With the development of battery technology, the safety monitoring of single cells of a lithium ion PACK battery PACK and the transmission of BMS signals are basically realized by means of a low-voltage wire harness network, wherein plug-in connectors of the low-voltage wire harness are the main body of the network, are the central nerve of the whole control, are important parts of the battery and each control unit, are carriers for transmitting energy and transmitting various signals, and are distributed throughout the whole PACK battery PACK, so that the importance of the plug-in connectors is self-evident. The low-voltage wire harness mainly comprises wires, connectors, terminals, wrapping tapes and insulation protection, with the increase of control requirements on battery PACK with the development of industry technology, the pursuit of high energy density is carried out, and the arrangement space left for the wire harness is smaller and smaller, so that the design of the connectors is required to have high-quality and more reliable data transmission performance, and the design of the connectors is a great challenge, so that the design of the connectors is of great importance.

The novel plug connector is different from the interlocking result of the plug connector, the traditional plug connector basically relies on the limit interlocking of the boss of the male and female seat, and only the degree of freedom of the matching direction is limited for the matching of the male needle and the female needle, and the degrees of freedom of other two directions are not limited at all, so that the male needle and the female needle are in poor contact and even are disconnected, the data transmission is invalid or wrong, the external use paralysis is caused, and even the external control misjudgment is caused, so that irrecoverable loss and uncontrollable result are caused.

Disclosure of Invention

1. Technical problem to be solved by the utility model

The utility model aims to solve the technical problems in the prior art, and provides a PACK low-voltage signal interlocking plug-in connector, which can solve the technical problems of external use paralysis and even external control misjudgment caused by data transmission failure or error caused by poor contact or contact drop of a male pin and a female pin due to the use condition of a client, and improve the data transmission reliability.

2. Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a PACK low pressure signal interlocking plug connector, includes public seat and female seat, be equipped with female needle and signal female needle on the public seat, be equipped with public needle and signal male needle on the female seat, signal female needle is in the both ends of public seat respectively set up one, signal male needle is in the both ends of female seat respectively set up one.

Optionally, the insertion depth of the signal female pin and the signal male pin is smaller than the insertion depth of the female pin and the male pin.

Optionally, the signal female pin is integrally injection molded on the male seat, and the signal male pin is integrally injection molded on the female seat.

Optionally, a female needle slot is arranged on the male seat, a clamping groove is arranged on the inner peripheral wall of the female needle slot, and a convex part matched with the clamping groove is arranged on the female needle.

Optionally, a stop block is arranged on the inner peripheral wall of the female needle slot, and the stop block is arranged on one side of the clamping groove, which is close to the inlet of the female needle slot.

Optionally, a guiding inclined plane is arranged on the stop block, and the guiding inclined plane is arranged on one side of the stop block, which is close to the inlet of the female needle slot.

Optionally, the female needle and the male needle are connected through an interlocking structure, the interlocking structure comprises an interlocking convex part arranged on the male needle and an interlocking groove arranged on the female needle, and the interlocking convex part and the interlocking groove are in clamping fit.

Optionally, a guiding structure is arranged on at least one side face of the PACK low-voltage anti-loosening plug connector, the guiding structure comprises a guiding strip and a guiding groove, the guiding strip and the guiding groove are all arranged along the assembly direction of the male seat and the female seat, one of the guiding strip and the guiding groove is arranged on the male seat, and the other guiding strip and the guiding groove is arranged on the female seat.

Optionally, at least one side surface of the PACK low-voltage anti-loose plug connector is provided with a connecting structure, and the connecting structure is used for limiting the male seat and the female seat to be separated along the assembly direction of the male seat and the female seat.

Optionally, the connection structure includes matched with interlocking eave tile and interlocking piece, have the interlock face on the interlocking piece, the interlock face perpendicular to public seat and female seat's assembly direction sets up, one of them is located on the public seat of interlocking eave tile and interlocking piece, wherein another is located on the female seat.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

when the male pin and the female pin are in poor contact due to fit clearance or plug-in and plug-out of a customer, the signal female pins and the signal male pins at the two ends are disconnected due to poor contact, no signal is transmitted at the moment, an external man-machine conversation interface is automatically fed back through the BMS, the poor plug-in is reminded, the customer is required to plug-in again, and a good plug-in feedback signal is automatically eliminated; the problems of bad contact or contact drop of the male needle and the female needle caused by the use condition of a client, data transmission failure or error, external use paralysis and even external control misjudgment are solved, and irrecoverable loss and uncontrollable results are caused.

Drawings

FIG. 1 is a schematic diagram of a PACK low-voltage signal interlocking plug-in unit according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a PACK low voltage signal interlocking plug according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a connection structure between a female pin and a male socket in a PACK low-voltage signal interlocking plug connector according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of the cooperation of a signal female pin and a signal male pin in a PACK low-voltage signal interlocking plug connector according to an embodiment of the present utility model;

1. a male seat; 2. a female seat; 3. a female needle; 4. a signal master pin; 5. a male needle; 6. a signal pin; 7. a female pin slot; 8. a clamping groove; 9. a convex portion; 10. a stop block; 11. a guide slope; 12. interlocking protrusions; 13. interlocking grooves; 14. a guide bar; 16. interlocking hook heads; 17. interlocking blocks.

Detailed Description

The present utility model will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted," "positioned," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as being "fixedly connected" to another element, the two elements may be fixed by a detachable connection manner, or may be fixed by a non-detachable connection manner, such as sleeving, clamping, integrally forming, or welding, which may be implemented in the prior art, and thus, the description is not further omitted. When an element is perpendicular or nearly perpendicular to another element, it is meant that the ideal conditions for both are perpendicular, but certain vertical errors may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The references to "", "second" in this disclosure do not denote a particular quantity or order, but rather are for distinguishing between figures.

Referring to fig. 1-4, a PACK low voltage signal interlocking plug connector of this embodiment includes a male base 1 and a female base 2, the male base 1 and the female base 2 are in plug connection, a female needle 3 and a signal female needle 4 are assembled on the male base 1, a male needle 5 and a signal male needle 6 are assembled on the female base 2, the female needle 3 and the male needle 5 are in plug connection and are conducted, the signal female needle 4 and the signal male needle 6 are in plug connection and are conducted, two ends of the male base 1 are respectively provided with one signal female needle 4, the signal female needle 4 is specifically arranged at two ends of the male base 1 along the arrangement direction of the female needle 3, and two ends of the female base 2 are respectively provided with one signal male needle 6.

When the male pin 5 and the female pin 5 are in poor contact due to fit clearance or plug of a customer in the male seat 1 and the female seat 2, the signal female pin 4 and the signal male pin 6 at two ends are disconnected due to poor contact, no signal is transmitted at the moment, an external man-machine conversation interface is automatically fed back through the BMS to remind of poor plug, the customer is required to plug again, and a good plug feedback signal is automatically eliminated; the problems of bad contact or contact drop of the male needle and the female needle caused by the use condition of a client, data transmission failure or error, external use paralysis and even external control misjudgment are solved, and irrecoverable loss and uncontrollable results are caused.

As an alternative scheme of the utility model, the signal pin 6 is a signal pin, and the signal pin 4 is a human-machine conversation feedback pin.

As an alternative of the present utility model, as shown in fig. 4, the signal pin 6 and the signal pin 4 may have substantially the same shape and size, but the length of the signal pin 6 is lower than that of the pin 5.

As an alternative scheme of the utility model, the plugging depth of the signal female pin 4 and the signal male pin 6 is smaller than the plugging depth of the female pin 3 and the male pin 5, and when the matching degree is affected by the plugging gap or the use of a customer by the male seat 1 and the female seat 2, the signal female pin 4 and the signal male pin 6 with smaller plugging depth are disconnected in preference to the female pin 3 and the male pin 5 with larger plugging depth, so that the effect of early warning is achieved.

As an alternative of the present utility model, in order to facilitate the assembly of the signal pin 4 and the signal pin 6, the signal pin 4 is integrally injection molded on the pin seat 1, and the signal pin 6 is integrally injection molded on the pin seat 2, so that the integral injection molding technology has the greatest advantages of fast product molding, good overall stability and molding effect, and the product is safer, better in quality, and more suitable for parts with higher contact requirements for the signal pin 4 and the signal pin 6, which are more in accordance with scientific and safe use requirements and standards.

As an alternative scheme of the utility model, a female needle slot 7 is arranged on the male seat 1, the female needle slot 5 is used for adapting to the assembly of the female needle 3, a clamping groove 8 is arranged on the inner peripheral wall of the female needle slot 5, and a convex part 9 matched with the clamping groove 8 is arranged on the female needle 3; through the cooperation of card 8 and convex part 9 for female needle 3 stable assembly in public seat 1 makes the stable conduction connection is realized between female needle 3 and the public needle 5.

As an alternative of the present utility model, the protruding portion 9 is a metal sheet protruding outward from the surface of the female needle 3.

As an alternative of the present utility model, a stop block 10 is disposed on the inner peripheral wall of the female needle slot 7, the stop block 10 is integrally formed on the inner peripheral wall of the female needle slot 7, the stop block 10 is disposed on one side of the card slot 8 near the inlet of the female needle slot 7, and the stop block 10 is disposed to better perform the purpose of anti-retraction matching with the protruding portion 9.

As an alternative of the present utility model, in order to make the protrusion 9 more easily pass through the stopper 10 during assembly of the female needle 3, thereby reducing the assembly difficulty, the stopper 10 is provided with a guide inclined surface 11, the guide inclined surface 11 is disposed at one side of the stopper 10 near the inlet of the female needle slot 7, and the guide inclined surface 11 is disposed obliquely downward along the assembly direction of the female needle 3.

As an alternative scheme of the utility model, the female needle 3 and the male needle 5 are connected through an interlocking structure, the interlocking structure comprises an interlocking convex part 12 arranged on the male needle 5 and an interlocking groove 13 arranged on the female needle 3, the interlocking convex part 12 and the interlocking groove 13 are in clamping fit, so that more stable conduction connection between the female needle 3 and the male needle 5 is realized, the interlocking convex part 12 is a boss at the end part of the male needle 5, polygons such as trapezoids and quadrilaterals are not limited, the interlocking groove 13 is a cavity formed between two metal sheets arranged in the female needle 3, and an opening of the male needle 5 is only matched with the size of the male needle 5.

As an alternative scheme of the utility model, in order to realize the guiding connection of the male seat 1 and the female seat 2, at least one side surface of the PACK low-pressure anti-loose plug connector is provided with a guiding structure, the guiding structure comprises a guiding strip 14 and a guiding groove, the guiding strip 14 and the guiding groove are both arranged along the assembling direction of the male seat 1 and the female seat 2, one of the guiding strip 14 and the guiding groove is arranged on the male seat 1, the other one of the guiding strip 14 and the guiding groove is arranged on the female seat 2, and the guiding strip 14 gradually enters the guiding groove in the assembling process of the male seat 1 and the female seat 2; in this embodiment, the guide bar 14 is disposed on the male seat 1, and the guide groove is disposed on the female seat 2.

As an alternative to the utility model, the guide structure may be provided simultaneously on several sides of the PACK low-pressure locking plug.

As an alternative scheme of the utility model, at least one side surface of the PACK low-voltage anti-loose plug connector is provided with a connecting structure, the connecting structure is used for limiting the male seat 1 and the female seat 2 to be separated along the assembly direction of the male seat 1 and the female seat 2, in particular, the connecting structure comprises a matched interlocking hook head 16 and an interlocking block 17, the interlocking block 17 is provided with an interlocking surface, the interlocking surface is perpendicular to the assembly direction of the male seat 1 and the female seat 2, one end of the interlocking hook head 16 is provided with a hook head which is in abutting fit with the interlocking surface, one of the interlocking hook head 16 and the interlocking block 17 is arranged on the male seat 1, and the other interlocking hook head 17 is arranged on the female seat 2; in this embodiment, the interlocking hook 16 is disposed on the male seat 1 and located outside the female seat 2, and the interlocking block 17 is disposed on the female seat 2.

As an alternative of the present utility model, the middle portion of the interlocking hook 16 is connected to the male seat 1, one end of the interlocking hook is matched with the interlocking block 17, and the other end of the interlocking hook is spaced from the surface of the male seat 1, so that the interlocking hook 16 is in a hand-press lifting structure.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims

1. A PACK low voltage signal interlocking plug connector, characterized in that: the novel electric connector comprises a male seat and a female seat, wherein a female needle and a signal female needle are assembled on the male seat, a male needle and a signal male needle are assembled on the female seat, the signal female needle is respectively arranged at two ends of the male seat, and the signal male needle is respectively arranged at two ends of the female seat.

2. A PACK low voltage signal interlock plug according to claim 1 wherein: the insertion depth of the signal female pin and the signal male pin is smaller than that of the female pin and the male pin.

3. A PACK low voltage signal interlock plug according to claim 1 wherein: the signal female pin is integrally injection-molded on the male seat, and the signal male pin is integrally injection-molded on the female seat.

4. A PACK low voltage signal interlock plug according to any one of claims 1-3 wherein: the male seat is provided with a female needle slot, the inner peripheral wall of the female needle slot is provided with a clamping groove, and the female needle is provided with a convex part matched with the clamping groove.

5. The PACK low voltage signal interlock plug according to claim 4, wherein: and a stop block is arranged on the inner peripheral wall of the female needle slot and is arranged on one side of the clamping groove, which is close to the inlet of the female needle slot.

6. A PACK low voltage signal interlock plug according to claim 5 wherein: the stop block is provided with a guide inclined plane, and the guide inclined plane is arranged on one side of the stop block, which is close to the inlet of the female needle slot.

7. The PACK low voltage signal interlock plug according to claim 4, wherein: the female needle and the male needle are connected through an interlocking structure, the interlocking structure comprises an interlocking convex part arranged on the male needle and an interlocking groove arranged on the female needle, and the interlocking convex part and the interlocking groove are in clamping fit.

8. A PACK low voltage signal interlock plug according to any one of claims 1-3 wherein: the utility model discloses a PACK low pressure locking plug connector, including the male seat, PACK low pressure locking plug connector is equipped with guide structure on at least one side, guide structure includes gib block and guide way, gib block and guide way are all followed the assembly direction setting of male seat and female seat, one of them is located in gib block and guide way on the male seat, wherein another is located on the female seat.

9. A PACK low voltage signal interlock plug according to any one of claims 1-3 wherein: and at least one side surface of the PACK low-voltage anti-loose plug connector is provided with a connecting structure, and the connecting structure is used for limiting the male seat and the female seat to be separated along the assembly direction of the male seat and the female seat.

10. A PACK low voltage signal interlock plug according to claim 9 wherein: the connecting structure comprises an interlocking hook head and an interlocking block which are matched with each other, the interlocking block is provided with an interlocking surface, the interlocking surface is perpendicular to the assembly direction of the male seat and the female seat, one of the interlocking hook head and the interlocking block is arranged on the male seat, and the other of the interlocking hook head and the interlocking block is arranged on the female seat.