CN115332835A

CN115332835A - Connector combination and charging device

Info

Publication number: CN115332835A
Application number: CN202210979146.XA
Authority: CN
Inventors: 王超; 陈宏磊
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-11

Abstract

The invention discloses a connector combination and a charging device, which comprise a PCBA, a connector and a signal terminal; the signal terminal with the PCBA electricity is connected, the connector with the PCBA electricity is connected, the PCBA is used for to the signal terminal received electric signal is handled, and the electric signal after the processing is exported by the connector. The connector completely replaces the traditional wire connection design, has a compact product structure, is beneficial to mass production, and saves cost.

Description

Connector combination and charging device

Technical Field

The present invention relates to a connector, and more particularly, to a connector assembly and a charging device.

Background

Generally, signals of new energy automobile charging products can only be transmitted through signal wires led out from a PCBA, the number of the signal wires is large, certain space wiring is needed, the whole system is disordered, the attractiveness is insufficient, and when conducting wires are produced in a connected mode, various procedures such as wire cutting, wire connection and welding are needed, so that production trouble is caused, the production efficiency is low, and the assembly is inconvenient; in addition, when each signal wire of the existing product structure is led out from the inside, a certain sealing structure needs to be designed, the sealing property of the inside needs to be ensured, and the integral structure is complex.

Disclosure of Invention

The invention provides a connector combination aiming at the problems in the prior art, wherein a connector is adopted at the output end of a PCBA (printed circuit board assembly), so that the problems in the background art are solved, and the connector combination is convenient to use.

According to a first aspect of the present invention, there is provided a connector assembly comprising a PCBA, a connector and signal terminals; the signal terminal with the PCBA electricity is connected, the connector with the PCBA electricity is connected, the PCBA is used for to the signal terminal received electric signal is handled, and the electric signal after the processing is exported by the connector.

Optionally, the signal terminal includes a connection portion and a plug portion extending from the connection portion, the connection portion is electrically connected to the PCBA, and the plug portion is used for plugging with a mating terminal.

Optionally, the connection portion is solder-connected with the PCBA.

Optionally, a drum spring is further disposed on the signal terminal, a baseband and a plurality of spring pieces connected to the baseband are disposed on the drum spring, the connecting portion of the signal terminal is provided with a notch, the baseband is wrapped around at least a portion of the periphery of the notch, an insertion hole is disposed on the PCBA, the spring pieces abut against the inner surface of the insertion hole, and the signal terminal is electrically connected to the PCBA through the spring pieces.

Optionally, the connector includes a plurality of electrical conductors and an outer housing encasing the plurality of electrical conductors, the electrical conductors being exposed from the outer housing and electrically connected to the PCBA.

Optionally, the electrical conductor is injection molded integrally with the outer housing.

Optionally, the conductor includes a first pin exposed out of one end of the outer housing and a second pin disposed at the other end of the outer housing, the first pin is configured to be electrically connected to the PCBA, and the second pin is configured to be electrically connected to the outside.

Optionally, the first pins are connected with the PCBA in a welding mode, and the second pins are connected with the outside in a plugging mode.

Optionally, set up spacing hole on the PCBA, the one end of connector sets up spacing post, spacing post is pegged graft with spacing hole and is used for right the connector carries on spacingly.

Optionally, the protective sleeve is detachably buckled on the outer shell, and the inner surface of the protective sleeve is connected with the outer surface of the outer shell in a sealing mode.

In another aspect of the present invention, there is provided a charging device comprising the connector assembly as described above.

The invention has the following technical effects:

the PCBA output end adopts the connector, when needs are connected with battery or electronic product, directly with the quick plug of connector, it is very simple and convenient to use, the connector use has replaced the design of tradition with the wire connection completely, avoids traditional welding complicated, production equipment trouble, production efficiency low and the drawback that the finished product goodness is low. The design ensures that the product has compact structure and neat appearance, and is beneficial to mass production.

The invention relates to a connector formed by integrally injection molding a plurality of electric conductors and an outer shell, wherein signals on a PCBA are concentrated on the connector and are integrally output by the connector, in order to prevent a second pin on the connector from being influenced by external environment before final assembly is finished, a sheath device is designed, a connector sheath needs to be buckled before delivery, so that the connector is always protected before final assembly, the sheath is taken down when final assembly is carried out, the electric connection between the connector and the outside can be realized, and the effect of integral sealing is realized on the basis of simplifying the structure. In addition, the arrangement of the protective sleeve also prevents dust and liquid from entering the connector in the transportation process of the connector combination and the charging device, and the normal use of the connector is effectively ensured.

Set up the drum spring structure on the signal terminal, realized signal terminal and PCBA's firm connection through the shell fragment on the drum spring, and the shell fragment provides a plurality of signal detection points, has guaranteed signal transmission's stability, and the shell fragment itself is functional, can supply signal terminal plug many times simultaneously, long service life.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a first perspective view of a connector assembly according to the present invention;

FIG. 2 is a schematic view of a second perspective structure of the connector assembly of the present invention;

FIG. 3 is a schematic view of the PCBA structure of the present invention;

FIG. 4 is a schematic view of a connector according to the present invention;

FIG. 5 is a schematic diagram of a signal terminal structure according to the present invention;

FIG. 6 is a schematic view of the drum spring structure of the present invention;

FIG. 7 is a schematic view of a snap-fit structure of the connector and the sheath of the present invention;

fig. 8 is a schematic view of the sheath structure of the present invention.

The figures are labeled as follows:

10. PCBA; 11. a limiting hole; 12. inserting holes;

20. a connector; 21. an electrical conductor; 22. an outer housing; 23. a limiting column; 211. a first pin; 212. a second pin;

30. a signal terminal; 31. a connecting portion; 32. a plug-in part; 33. a notch; 34. a drum spring; 341. a baseband; 342. a spring plate;

40. a sheath.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.

As shown in fig. 1-2, a connector 20 combination includes a PCBA10, a connector 20, and signal terminals 30, the signal terminals 30 are electrically connected to the PCBA10, the connector 20 is electrically connected to the PCBA10, the PCBA10 is configured to process electrical signals received by the signal terminals 30, and the processed electrical signals are output by the connector 20.

The connector 20 is adopted at the output end of the PCBA10, when the PCBA10 is required to be connected with a battery or an electronic product, the PCBA is directly and quickly plugged and pulled out by the connector 20, the use is very simple, the connector 20 completely replaces the traditional wire connection design, and the defects of complex traditional welding, troublesome production and assembly, low production efficiency and low finished product yield are avoided. The design ensures that the product has compact structure and neat appearance, and is beneficial to mass production.

The electrical signals of the signal terminals 30 can be directly transmitted to the electrical conductors 21 of the connector 20. The signal of each position on PCBA10 can be concentrated to a position, and the connector 20 is used for transmission, so that the structure is more attractive and reliable, and the cost is saved.

In a specific embodiment, as shown in fig. 5, the signal terminals 30 include connection portions 31 and plug portions 32 extending from the connection portions 31, the connection portions 31 are electrically connected to the PCBA10, and the plug portions 32 are used for being plugged with mating terminals.

The plug part 32 of the signal terminal 30 is used for being electrically connected with the plug terminal, and the plug part 32 is designed to be of an elastic structure, so that the plug terminal can be conveniently plugged.

In a specific embodiment, as shown in fig. 1 and 2, connection portion 31 is directly soldered to PCBA10, and signal terminals 30 are electrically connected to PCBA 10.

In another specific embodiment, as shown in fig. 5 and 6, without using a direct soldering method, the signal terminal 30 is further provided with a drum spring 34, the drum spring is provided with a base strip 341 and a plurality of spring pieces 342 connected with the base strip 341, the connecting portion of the signal terminal 30 is provided with a notch 33, the base strip 341 is wrapped around at least a part of the periphery of the notch 33, the PCBA is provided with a plug hole 12, and the spring pieces 342 abut against the inner surface of the plug hole 12, so that the signal terminal 30 is electrically connected with the PCBA10 through the spring pieces 342.

The drum spring 34 structure is arranged on the signal terminal 30, the signal terminal 30 is stably connected with the PCBA10 through the elastic pieces 342, as shown in FIG. 6, the number of the elastic pieces 342 is multiple, so that multiple signal detection points can be provided, and the stability of signal transmission is ensured; meanwhile, the elastic piece 342 has good performance, can be used for plugging and unplugging the signal terminal 30 for multiple times, and has long service life.

Depending on the actual use environment, connection portion 31 and PCBA10 may all be connected by soldering, or signal terminal 30 and PCBA10 may be detachably connected by applying drum spring 34 to signal terminal 30, or a mixture thereof may be used.

As shown in fig. 6, the spring piece 342 has a protruding portion protruding outward, and is firmly connected to the PCBA10, and the plurality of elastic pieces of the spring piece 342 provide a plurality of signal detection points, so that the stability of signal transmission is ensured; meanwhile, the elastic piece 342 has good performance, can be used for plugging and unplugging the signal terminal 30 for multiple times, and has long service life.

The convex part of the elastic sheet 342 can be abutted against the inner surface of the plug hole 12 on the PCBA 10; therefore, the signal terminal 30 is electrically connected with the PCBA10 through the elastic sheet 342, the stability of connection between the elastic sheet 342 and the PCBA10 is further enhanced, and the stability of signal transmission is guaranteed.

As shown in fig. 4, the connector 20 includes a plurality of conductors 21 and an outer case 22 covering the plurality of conductors 21, and the conductors 21 are exposed out of the outer case 22 and electrically connected to the PCBA 10.

The conductor 21 is exposed out of the outer shell 22, so that the connection with an external electronic product is convenient, and the plugging and unplugging are convenient.

Further, the conductive body 21 is integrally injection-molded with the outer case 22.

The integrally formed design ensures better fixation and mutual insulation between the plurality of electrical conductors 21.

As shown in fig. 4, the electrical conductor 21 includes a first pin 211 exposed at one end of the outer housing 22, and a second pin 212 disposed at the other end of the outer housing 22, the first pin 211 being configured to be electrically connected to the PCBA10, and the second pin 212 being configured to be electrically connected to the outside.

The second pins 212 may be disposed inside the outer casing 22 or exposed outside the outer casing 22.

The structure is generally installed in a charging socket product, and the second pins 212 of the connector 20 are connected with a signal processing module on the automobile.

The first pins 211 are solder connected to the PCBA 10.

As shown in fig. 3 and 4, the PCBA10 is provided with a limiting hole 11, one end of the connector 20 is provided with a limiting post 23, and the limiting post 23 is inserted into the limiting hole 11 to limit the connector 20.

As shown in fig. 7 and 8, the present invention further includes a sheath 40, wherein the sheath 40 is detachably fastened to the outer housing 22, and the sheath 40 fastens the second pins 212 in the sheath.

One end of the sheath 40 is of a closed structure, the open end of the other end is buckled with the outer shell 22, and the inner surface of the sheath 40 is attached to the outer surface of the outer shell to realize sealing connection.

After the sheath 40 is snapped, the second prong 212 is snapped inside the outer housing 22 and the sheath 40, and the second prong 212 is placed in a closed environment.

A charging device comprising a connector 20 assembly as described above.

The invention is that a plurality of electric conductors 21 and outer casing 22 are moulded and formed the interface unit 20 integrally, concentrate every signal on PCBA10 on the interface unit 20, and then output integrally by the interface unit 20, in order to prevent the second pin 212 on the interface unit 20 from being influenced by external environment before finishing final assembly, have designed the boot 40, need buckle the boot 40 on the interface unit 20 before shipping, make the interface unit 20 protected before final assembly, take off the boot 20 while carrying on final assembly, can realize the electric connection of the interface unit 20 with the outside, the outside here can be the signal processing module on the car. The design of this structure has realized the effect of whole sealed on the basis of simplifying the structure. In addition, the sheath 40 prevents dust and liquid from entering the connector 20 during transportation of the connector assembly and the charging device, and thus normal use of the connector 20 is effectively guaranteed.

Although some specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A connector assembly, characterized in that,

the PCB comprises a PCBA, a connector and a signal terminal;

the signal terminals are electrically connected to the PCBA,

the connector with PCBA electricity is connected, PCBA is used for handling the signal terminal received electric signal, and the electric signal after the processing is exported by the connector.

2. The connector assembly of claim 1, wherein the signal terminals include a connection portion electrically connected with the PCBA and a mating portion extending from the connection portion for mating with a mating terminal.

3. The connector combination of claim 2, wherein the connection portion is solder connected to the PCBA.

4. The connector assembly of claim 2, wherein the signal terminals further comprise a spring, the spring comprises a base strip and a plurality of resilient pieces connected to the base strip, the connecting portions of the signal terminals comprise slots, the base strip is wrapped around at least a portion of the slots, the PCBA comprises a plug hole, the resilient pieces abut against inner surfaces of the plug hole, and the signal terminals are electrically connected to the PCBA through the resilient pieces.

5. The connector assembly of claim 1, wherein said connector includes a plurality of electrical conductors and an outer housing encasing said plurality of electrical conductors, said electrical conductors being exposed at said outer housing for electrical connection to said PCBA.

6. The connector assembly of claim 5, wherein the electrical conductor is integrally injection molded with the outer housing.

7. The connector assembly of claim 5, wherein the electrical conductors include first pins exposed at one end of the outer housing for electrical connection to the PCBA and second pins disposed at the other end of the outer housing for electrical connection to the outside world.

8. The connector assembly of claim 7, wherein said first prong is solder connected to said PCBA and said second prong is plug connected to the outside world.

9. The connector assembly of claim 5, wherein the PCBA is provided with a limiting hole, one end of the connector is provided with a limiting post, and the limiting post is inserted into the limiting hole to limit the connector.

10. The connector assembly of claim 5, further comprising a boot removably snap-fitted to the outer housing, an inner surface of the boot being sealingly connected to an outer surface of the outer housing.

11. A charging arrangement comprising a connector assembly as claimed in any one of claims 1 to 10.