Connector and pressure sensor assembly

文档序号:1833950 发布日期:2021-11-12 浏览:23次 中文

阅读说明:本技术 连接器和压力传感器组件 (Connector and pressure sensor assembly ) 是由 付廷辉 梁许 张亚祥 于 2020-05-11 设计创作,主要内容包括:本发明公开一种连接器和压力传感器组件。连接器包括:绝缘基座,包括底壁、围绕底壁的周壁及由周壁和底壁围成的具有顶部开口的容纳室;和多个导电端子,保持在所述绝缘基座上,用于将压力传感器电连接至电路板。所述导电端子包括与所述压力传感器电连接的第一连接部和与所述电路板电连接的第二连接部。所述第一连接部位于所述绝缘基座的底壁上,所述第二连接部位于所述绝缘基座的周壁上并从所述周壁的顶面延伸出,以便电连接到所述电路板上。在本发明中,连接器上的导电端子的第二连接部位于绝缘基座的周壁上,而不是位于绝缘基座的中心,因此,不需要在电路板的中心形成与导电端子配合的插接孔,节省了空间,有利于减小电路板的尺寸。(The invention discloses a connector and a pressure sensor assembly. The connector includes: the insulating base comprises a bottom wall, a peripheral wall surrounding the bottom wall and an accommodating chamber which is surrounded by the peripheral wall and the bottom wall and is provided with an opening at the top; and a plurality of conductive terminals retained on the dielectric base for electrically connecting the pressure sensor to the circuit board. The conductive terminal comprises a first connecting part electrically connected with the pressure sensor and a second connecting part electrically connected with the circuit board. The first connecting portion is located on the bottom wall of the insulating base, and the second connecting portion is located on the peripheral wall of the insulating base and extends out of the top surface of the peripheral wall so as to be electrically connected to the circuit board. In the invention, the second connecting part of the conductive terminal on the connector is positioned on the peripheral wall of the insulating base instead of the center of the insulating base, so that a plug hole matched with the conductive terminal is not required to be formed in the center of the circuit board, the space is saved, and the size of the circuit board is favorably reduced.)

1. A connector, comprising:

an insulating base (110) including a bottom wall, a peripheral wall surrounding the bottom wall, and a housing chamber (101) surrounded by the peripheral wall and the bottom wall and having an open top; and

a plurality of conductive terminals (121) held on the insulating base (110) for electrically connecting the pressure sensor (10) to the circuit board (20),

the method is characterized in that:

the conductive terminal (121) comprises a first connecting part electrically connected with the pressure sensor (10) and a second connecting part electrically connected with the circuit board (20);

the first connecting portion is located on the bottom wall of the insulating base, and the second connecting portion is located on the peripheral wall of the insulating base and extends out of the top surface of the peripheral wall (111) so as to be electrically connected to the circuit board (20).

2. The connector of claim 1, wherein:

the first connecting part of the conductive terminal (121) is a welding part (121b) which is suitable for being welded with the connecting terminal (12a) of the pressure sensor (10);

the second connecting part of the conductive terminal (121) is a pin part (121a) which is suitable for being inserted into an insertion hole (21) on the circuit board (20).

3. The connector of claim 2, wherein:

the welding part (121b) is bent by 90 degrees relative to the pin part (121a) and abuts against the inner side of the bottom wall of the accommodating chamber (101).

4. The connector of claim 3, wherein:

the soldering part (121b) has a plate shape and is formed with an insertion hole (121c), and the connection terminal (12a) of the pressure sensor (10) passes through the through hole on the bottom wall of the housing chamber (101) and is inserted into the insertion hole (121c) of the soldering part (121 b).

5. The connector of claim 1, wherein:

the insulating base (110) of the connector (100) is cylindrical, and the housing chamber (101) is a housing space having a substantially circular cross section.

6. The connector according to any of claims 1-5, wherein:

the connector (100) further comprises a ground terminal (122), the ground terminal (122) being adapted to electrically connect the metal housing (11) of the pressure sensor (10) to the circuit board (20).

7. The connector of claim 6, wherein:

each of the ground terminals (122) has a pin portion, and the pin portion of the ground terminal (122) is fixed in a peripheral wall (111) of the housing chamber (101) and extends from a top surface of the peripheral wall (111) so as to be plugged into a ground jack (22) on the circuit board (20).

8. The connector of claim 7, wherein:

a lower end portion (122a) of each of the ground terminals (122) is exposed from the insulating base (110) and is adapted to be electrically connected to a metal case (11) of the pressure sensor (10) through a conductive paste or a conductive resin (g).

9. The connector of claim 6, wherein:

the insulating base (110) is made of high temperature resistant polyphenylene sulfide, and the insulating base (110) is formed on the conductive terminal (121) and the ground terminal (122) in an insert molding manner.

10. A pressure sensor assembly comprising a pressure sensor (10) and a circuit board (20), characterized in that:

the pressure sensor assembly further comprises a connector (100) according to any one of claims 1-9, the connector (100) electrically connecting the pressure sensor (10) to the circuit board (20).

11. The pressure sensor assembly of claim 10, wherein:

the connector (100) and the circuit board (20) are both located outside the metal housing (11) of the pressure sensor (10); and is

The lower end face of the insulating base (110) of the connector (100) is supported on the upper end face of the metal shell (11) of the pressure sensor (10).

12. The pressure sensor assembly of claim 10, wherein:

the connector (100) is housed in a metal housing (11) of the pressure sensor (10); or

The connector (100) and the circuit board (20) are both housed in a metal housing (11) of the pressure sensor (10).

13. The pressure sensor assembly of claim 11 or 12, wherein:

the pressure sensor (10) comprises a pressure detection core module (12) mounted in a metal housing (11) thereof, the pressure detection core module (12) having a plurality of connection terminals (12a) adapted to be respectively soldered together with a plurality of conductive terminals (121) of the connector (100).

14. The pressure sensor assembly of claim 13, wherein:

each of the connection terminals (12a) is inserted into an insertion hole (121c) of a soldering portion (121b) of the conductive terminal (121) via a through hole on a bottom wall of a housing chamber (101) of the connector (100) and soldered to the soldering portion (121 b).

15. The pressure sensor assembly of claim 11 or 12, wherein:

the circuit board (20) is provided with a plurality of plug-in holes (21), and the pin parts (121a) of a plurality of conductive terminals (121) of the connector (100) are respectively plugged into the plurality of plug-in holes (21) on the circuit board (20) and welded on the circuit board (20).

16. The pressure sensor assembly of claim 15, wherein:

the circuit board (20) also has at least one ground jack (22), and the pin portion of the ground terminal (122) of the connector (100) is inserted into the ground jack (22) on the circuit board (20) and soldered to the circuit board (20).

17. The pressure sensor assembly of claim 10, wherein:

the circuit board (20) is circular, and the diameter of the circuit board (20) is equal to the outer diameter of the insulating base (110) of the connector (100);

the rear surface of the circuit board (20) is supported on the top surface of the peripheral wall (111) of the housing chamber (101) of the insulating base (110) of the connector (100).

18. The pressure sensor assembly of claim 10, wherein:

the circuit board (20) comprises at least one of a signal compensation circuit module, a signal amplification circuit module and a signal conversion circuit module; and is

A plurality of bonding pads adapted to be bonded to a plurality of external leads (30) are formed on the front surface of the circuit board (20).

Technical Field

The invention relates to a connector and a pressure sensor assembly including the same.

Background

In the prior art, in order to process the output signal of the pressure sensor, a connector is required to electrically connect the pressure sensor to a circuit board having a signal processing function module. In the prior art, the pins of the conductive terminals on the connector are usually distributed in the central area of the insulating base, and therefore, it is necessary to form the insertion holes in the central area of the circuit board to be matched with the pins of the conductive terminals, which may seriously reduce the compactness of the circuit arrangement on the circuit board, resulting in an oversized circuit board.

Disclosure of Invention

An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.

According to an aspect of the present invention, there is provided a connector including: the insulating base comprises a bottom wall, a peripheral wall surrounding the bottom wall and an accommodating chamber which is surrounded by the peripheral wall and the bottom wall and is provided with an opening at the top; and a plurality of conductive terminals retained on the dielectric base for electrically connecting the pressure sensor to the circuit board. The conductive terminal comprises a first connecting part electrically connected with the pressure sensor and a second connecting part electrically connected with the circuit board. The first connecting portion is located on the bottom wall of the insulating base, and the second connecting portion is located on the peripheral wall of the insulating base and extends out of the top surface of the peripheral wall so as to be electrically connected to the circuit board.

According to an exemplary embodiment of the invention, the first connection portion of the conductive terminal is a welding portion adapted to be welded together with the connection terminal of the pressure sensor; the second connecting part of the conductive terminal is a pin part which is suitable for being inserted into the insertion hole on the circuit board.

According to an exemplary embodiment of the invention, the weld is bent with respect to the pin and rests on the inner side of the bottom wall of the receiving space.

According to another exemplary embodiment of the present invention, the welding part has a plate shape and is formed with an insertion hole thereon, and the connection terminal of the pressure sensor passes through the through hole on the bottom wall of the receiving chamber and is inserted into the insertion hole of the welding part.

According to another exemplary embodiment of the present invention, the insulating base of the connector is cylindrical, and the accommodation chamber is an accommodation space having a substantially circular cross section.

According to another exemplary embodiment of the invention, the connector further comprises a ground terminal adapted to electrically connect the metal housing of the pressure sensor to the circuit board.

According to another exemplary embodiment of the present invention, each of the ground terminals has a pin portion, and the pin portion of the ground terminal is fixed in a peripheral wall of the accommodating chamber and extends from a top surface of the peripheral wall so as to be plugged into a ground insertion hole on the circuit board.

According to another exemplary embodiment of the present invention, a lower end portion of each of the ground terminals is exposed from the insulating base and adapted to be electrically connected to a metal housing of the pressure sensor through a conductive paste or a conductive resin.

According to another exemplary embodiment of the present invention, the insulating base is made of high temperature resistant polyphenylene sulfide, and the insulating base is formed on the conductive terminal and the ground terminal in an insert molding manner.

In accordance with another aspect of the present invention, a pressure sensor assembly is provided that includes a pressure sensor and a circuit board. The pressure sensor assembly also includes the aforementioned connector that electrically connects the pressure sensor to the circuit board.

According to an exemplary embodiment of the invention, the connector and the circuit board are both located outside a metal housing of the pressure sensor; and the lower end face of the insulating base of the connector is supported on the upper end face of the metal shell of the pressure sensor.

According to another exemplary embodiment of the present invention, the connector is accommodated in a metal housing of the pressure sensor; or both the connector and the circuit board are housed in a metal housing of the pressure sensor.

According to another exemplary embodiment of the invention, the pressure sensor comprises a pressure detection core module mounted in a metal housing thereof, the pressure detection core module having a plurality of connection terminals adapted to be respectively soldered together with a plurality of conductive terminals of the connector.

According to another exemplary embodiment of the present invention, each of the connection terminals is inserted into the insertion hole of the soldering portion of the conductive terminal via the through hole on the bottom wall of the receiving chamber of the connector and soldered to the soldering portion.

According to another exemplary embodiment of the present invention, the circuit board has a plurality of insertion holes, and the pin portions of the plurality of conductive terminals of the connector are respectively inserted into the plurality of insertion holes of the circuit board and soldered to the circuit board.

According to another exemplary embodiment of the present invention, the circuit board further has at least one ground jack, and the pin portion of the ground terminal of the connector is inserted into the ground jack on the circuit board and soldered to the circuit board.

According to another exemplary embodiment of the present invention, the circuit board is circular and has a diameter equal to an outer diameter of the insulating base of the connector; the rear surface of the circuit board is supported on the top surface of the peripheral wall of the housing chamber of the insulating base of the connector.

According to another exemplary embodiment of the present invention, the circuit board includes at least one of a signal compensation circuit module, a signal amplification circuit module, and a signal conversion circuit module; and a plurality of bonding pads adapted to be bonded with a plurality of external wires are formed on the front surface of the circuit board.

In the foregoing exemplary embodiments of the present invention, the second connecting portions of the conductive terminals on the connector are located on the peripheral wall of the insulating base, rather than in the central region of the insulating base, so that there is no need to form the insertion holes in the central region of the circuit board to be matched with the conductive terminals, thereby saving space, and facilitating to improve the compactness of the circuit board and reduce the size of the circuit board.

Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.

Drawings

FIG. 1 shows a schematic perspective view of a pressure sensor assembly according to an example embodiment of the invention;

FIG. 2 shows a perspective view of a connector of the pressure sensor assembly of FIG. 1;

FIG. 3 shows a cross-sectional view of the pressure sensor assembly of FIG. 1;

FIG. 4 shows a schematic view of a circuit board of the pressure sensor assembly of FIG. 1;

FIG. 5 shows a schematic perspective view of a pressure sensor assembly according to another example embodiment of the invention;

FIG. 6 shows a cross-sectional view of the pressure sensor assembly shown in FIG. 5.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to one general technical concept of the present invention, there is provided a connector including: the insulating base comprises a bottom wall, a peripheral wall surrounding the bottom wall and an accommodating chamber which is surrounded by the peripheral wall and the bottom wall and is provided with an opening at the top; and a plurality of conductive terminals retained on the dielectric base for electrically connecting the pressure sensor to the circuit board. The conductive terminal comprises a first connecting part electrically connected with the pressure sensor and a second connecting part electrically connected with the circuit board. The first connecting portion is located on the bottom wall of the insulating base, and the second connecting portion is located on the peripheral wall of the insulating base and extends out of the top surface of the peripheral wall so as to be electrically connected to the circuit board.

FIG. 1 shows a perspective schematic view of a pressure sensor assembly according to an example embodiment of the invention.

As shown in fig. 1, in the illustrated embodiment, the pressure sensor assembly basically includes a pressure sensor 10, a circuit board 20 and a connector 100. The connector 100 electrically connects the pressure sensor 10 to the circuit board 20. The circuit board 20 is used to process the output signal of the pressure sensor 10. For example, in an exemplary embodiment of the present invention, the circuit board 20 may include, but is not limited to, a signal compensation circuit module, a signal amplification circuit module, and a signal conversion circuit module.

FIG. 2 shows a perspective view of the connector 100 of the pressure sensor assembly of FIG. 1; FIG. 3 shows a cross-sectional view of the pressure sensor assembly of FIG. 1; FIG. 4 shows a schematic diagram of a circuit board of the pressure sensor assembly of FIG. 1.

As shown in fig. 1 to 4, in the illustrated embodiment, the connector 100 mainly includes: an insulating base 110 and a plurality of conductive terminals 121. A plurality of conductive terminals 121 are retained on the insulating base 110 for electrically connecting the pressure sensor 10 to the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, the insulating base 110 includes a bottom wall, a peripheral wall 111 surrounding the bottom wall, and an accommodating chamber 101 surrounded by the peripheral wall 111 and the bottom wall and having an open top. The conductive terminal 121 includes a first connection portion electrically connected to the pressure sensor 10 and a second connection portion electrically connected to the circuit board 20. The first connecting portion is located on the bottom wall of the insulating base 110, and the second connecting portion is located on the peripheral wall 111 of the insulating base 110 and extends from the top surface of the peripheral wall 111 so as to be electrically connected to the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, the first connection portion of the conductive terminal 121 is a welding portion 121b adapted to be welded with the connection terminal 12a of the pressure sensor 10. The second connecting portion of the conductive terminal 121 is a pin portion 121a adapted to be inserted into the insertion hole 21 of the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, the soldering portion 121b of the conductive terminal 121 is bent 90 degrees relative to the pin portion 121a and abuts against the inner side of the bottom wall of the accommodating chamber 101.

As shown in fig. 1 to 4, in the illustrated embodiment, the soldering portion 121b of the conductive terminal 121 has a plate shape and is formed with one insertion hole 121c thereon, and the connection terminal 12a of the pressure sensor 10 passes through the through hole on the bottom wall of the accommodation chamber 101 and is inserted into the insertion hole 121c of the soldering portion 121 b.

As shown in fig. 1 to 4, in the illustrated embodiment, the insulating base 110 of the connector 100 is cylindrical, and the housing chamber 101 is a housing space having a substantially circular cross section.

As shown in fig. 1 to 4, in the illustrated embodiment, the connector 100 further includes a ground terminal 122, the ground terminal 122 being adapted to electrically connect the metal shell 11 of the pressure sensor 10 to the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, each ground terminal 122 has a pin portion, and the pin portion of the ground terminal 122 is fixed in the peripheral wall 111 of the accommodating chamber 101 and extends from the top surface of the peripheral wall 111 so as to be plugged into the ground jack 22 on the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, the lower end portion 122a of each ground terminal 122 is exposed from the insulating base 110 and is adapted to be electrically connected to the metal housing 11 of the pressure sensor 10 by a conductive paste or a conductive resin g. Thus, the electromagnetic shielding function can be improved.

As shown in fig. 1 to 4, in the illustrated embodiment, the insulating base 110 is made of high temperature resistant polyphenylene sulfide, and the insulating base 110 is formed on the conductive terminal 121 and the ground terminal 122 in an insert molding manner.

As shown in fig. 1 to 4, in the illustrated embodiment, the connector 100 and the circuit board 20 are both located outside the metal housing 11 of the pressure sensor 10. The lower end face of the insulating base 110 of the connector 100 is supported on the upper end face of the metal shell 11 of the pressure sensor 10.

As shown in fig. 1 to 4, in the illustrated embodiment, the pressure sensor 10 includes a pressure detection core module 12 mounted in a metal housing 11 thereof, the pressure detection core module 12 having a plurality of connection terminals 12a adapted to be respectively soldered together with a plurality of conductive terminals 121 of the connector 100.

Although not shown, in an exemplary embodiment of the present invention, the aforementioned pressure sensing core module 12 may include a pressure sensing element and a sensor circuit board on which the pressure sensing element is mounted. The connection terminal 12a is a lead terminal electrically connected to the sensor circuit board.

As shown in fig. 1 to 4, in the illustrated embodiment, each connection terminal 12a is inserted into the insertion hole 121c of the soldering portion 121b of the conductive terminal 121 via the through hole on the bottom wall of the accommodation chamber 101 of the connector 100 and soldered to the soldering portion 121 b.

As shown in fig. 1 to 4, in the illustrated embodiment, the circuit board 20 has a plurality of insertion holes 21, and the pin portions 121a of the plurality of conductive terminals 121 of the connector 100 are respectively inserted into the plurality of insertion holes 21 on the circuit board 20 and soldered to the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, the circuit board 20 further has at least one ground jack 22, and the pin portion of the ground terminal 122 of the connector 100 is inserted into the ground jack 22 on the circuit board 20 and soldered to the circuit board 20.

As shown in fig. 1-4, in the illustrated embodiment, the circuit board 20 is circular and the diameter of the circuit board 20 is equal to the outer diameter of the dielectric base 110 of the connector 100. The rear surface of the circuit board 20 is supported on the top surface of the peripheral wall 111 of the housing chamber 101 of the insulating base 110 of the connector 100.

As shown in fig. 1 to 4, in the illustrated embodiment, a plurality of bonding pads adapted to be bonded with a plurality of external leads 30 are formed on the front surface of the circuit board 20.

As shown in fig. 1 to 4, in the illustrated embodiment, a ring of positioning grooves in which an elastic seal ring 13 is accommodated is formed on the outer wall of the metal housing 11 of the pressure sensor 10.

FIG. 5 shows a schematic perspective view of a pressure sensor assembly according to another example embodiment of the invention; FIG. 6 shows a cross-sectional view of the pressure sensor assembly shown in FIG. 5.

As shown in fig. 5 and 6, in the illustrated embodiment, the connector 100 is housed in the metal case 11 of the pressure sensor 10, and the circuit board 20 is located outside the top opening of the metal case 11 of the pressure sensor 10. However, the present invention is not limited to the illustrated embodiment, and for example, in another exemplary embodiment of the present invention, the connector 100 and the circuit board 20 are both accommodated in the metal housing 11 of the pressure sensor 10. Otherwise, the embodiment shown in fig. 5 and 6 is substantially the same as the embodiment shown in fig. 1 to 4, and for the sake of brevity, the description thereof is omitted.

It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention.

Although a few embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the appended claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the invention.

14页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:一种预装二级防退位功能的连接器机构

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!

技术分类