CN101685913A - Connector among plates and electronic device - Google Patents

Abstract

The invention discloses an inter-board connector and electronic equipment, belonging to the field of electronic circuits. The inter-board connector includes a metal elastic connector and a sleeve, the metal elastic connector includes at least two pins connected to each other, and the pins are respectively connected to a plurality of single boards; the metal elastic connector is placed on in the kit. The electronic device includes the board-to-board connector. The invention has the advantages of high production and installation efficiency and good radio frequency signal consistency.

Description

An inter-board connector and electronic equipment

technical field

The invention relates to the field of electronic circuits, in particular to an inter-board connector and electronic equipment.

Background technique

In electronic systems such as wireless communication base stations, PCB (Printed Circuit Board, printed circuit board), also known as single board, inevitably requires electrical signal connection between single boards, and this connection is generally realized through connectors.

The most commonly used board-to-board connectors, or inter-board connectors, include European connectors, 2mm connectors, and double-edge connectors. However, the cost of these connectors is high; the two boards can only be placed on the radiator or other supports after they are installed together through the connector, and the production and installation efficiency is low; the board area occupied by the connector is relatively large; when connected These connectors cannot be used when the heights of the two boards are not equal.

In view of the above problems, metal jumpers are often used to connect two single boards at present. The specific connection method is to weld the two ends of the metal jumper to the two veneers respectively, and connect the two veneers.

In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art:

Generally, jumpers can only be placed on the upper surface of the board, and manual soldering is required. Especially when the number is large, the production and installation efficiency is low, and the consistency of the RF signal is poor.

Contents of the invention

In order to improve production and installation efficiency and improve the consistency of radio frequency signals, embodiments of the present invention provide an inter-board connector and electronic equipment. Described technical scheme is as follows:

An inter-board connector, characterized in that it includes a metal elastic connector and a sleeve, the metal elastic connector includes at least two interconnected pins, and the pins are respectively connected to a plurality of single boards; the metal An elastic connector is placed in the kit.

An electronic device, characterized in that it includes an inter-board connector, the inter-board connector includes a metal elastic connecting body and a sleeve, the metal elastic connecting body includes at least two interconnected pins, and the pins are respectively It is connected with multiple veneers; the metal elastic connector is placed in the kit.

The beneficial effects of the technical solution provided by the embodiments of the present invention are: compared with the prior art, the present invention improves production and installation efficiency and improves the consistency of radio frequency signals.

Description of drawings

Fig. 1a is a main cross-sectional view of a board-to-board connector with a groove provided by Embodiment 1 of the present invention;

Fig. 1b is a main cross-sectional view of the board-to-board connector with through holes provided by Embodiment 1 of the present invention;

Fig. 2 is a top view of the board-to-board connector with grooves provided by Embodiment 1 of the present invention;

Fig. 3 is a perspective view of a board-to-board connector with a groove provided in Embodiment 1 of the present invention;

Fig. 4 is a cross-sectional view of the board-to-board connector provided by Embodiment 1 of the present invention under the single board;

Fig. 5 is a cross-sectional view of the nesting of the inter-board connector and the mounting structure provided by Embodiment 1 of the present invention;

Fig. 6 is a cross-sectional view of the board-to-board connector provided by Embodiment 1 of the present invention on a single board;

Fig. 7 is a cross-sectional view of the shielding cover and rib replacement kit provided by Embodiment 1 of the present invention;

Fig. 8 is a cross-sectional view of an adjustable pin height of the board-to-board connector provided by Embodiment 1 of the present invention;

Fig. 9 is a top view of multiple board-to-board connectors provided by Embodiment 1 of the present invention;

Fig. 10 is a top view of an adjustable pin width of an inter-board connector provided by Embodiment 1 of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Embodiment one

This embodiment provides an inter-board connector, including a metal elastic connector 1 and a sleeve 2; the metal elastic connector 1 includes at least two interconnected pins 10, and the pins 10 are respectively connected to a plurality of single The plates are connected; the metal elastic connecting body 1 is placed in the kit 2.

Referring to Figure 1a, taking two pins as an example, the metal elastic connector 1 can be placed in the groove of the kit 2, or in the through hole of the kit 2;

When placed in the groove, according to the positional relationship between the board and the kit, the height of the pin 10 can be greater than, equal to or smaller than the height of the groove, as long as the pin 10 can be connected to the pre-connected board;

When placed in a through-hole, see Figure 1b, the pin 10 should be exposed to the package to ensure that the pin 10 can be connected to the pre-connected single board.

Furthermore, the situation of other multi-pins is the same as the situation of two pins, which is only briefly introduced here. Other multi-pin metal elastic connectors can be placed in the groove of the kit or in the through hole of the kit; when placed in the groove, the height of multiple pins can be greater than, equal to or smaller than the height of the groove ; When placed in a through-hole, the pin should be exposed to the package.

Wherein, the metal elastic connector can be a metal wire, a metal sheet or other conductors;

The kit may be an insulating kit, such as a plastic kit or the like.

Referring to FIG. 2 , it is a top view of the inter-board connector provided in this embodiment; see FIG. 3 , it is a perspective view of the inter-board connector provided in this embodiment.

In actual application, the inter-board connector can be placed under or on the single board. The placement of the inter-board connector with grooves and through holes is the same. The following only uses the placement of inter-board connectors with grooves. An example is used for illustration, and the placement of the board-to-board connector with through holes will not be repeated. The application of the inter-board connector will be introduced in detail below for these two placement situations.

The following describes the situation where the inter-board connector is placed under the board.

Referring to FIG. 4 , the inter-board connector is placed under the two single boards 3 , and the two pins 11 are respectively in contact with the through holes 30 of the two single boards. Wherein, the through hole can guide the electrical signal of the pre-connected wire to the bottom of the single board, and realize the connection of the electrical signal through the two pins of the inter-board connector, that is, the connection of two single boards. Connect the board-to-board connector with the two boards through reflow soldering. When the stress of the board-to-board connector and the board can ensure that the two are connected together, it is also possible to realize the single board directly through the board-to-board connector without soldering. elastic connection. Among them, reflow soldering does not require manual operation, and the soldering process is simple, which is suitable for mass production of products.

Referring to FIG. 5 , the board-to-board connector can be embedded in the mounting structure 4 , such as a heat sink, so as to better solve problems such as heat dissipation of the single board. At this time, the board and the inter-board connector do not need to be soldered, because the board and the heat sink can be fixed by screws, and the inter-board connector is sandwiched between the single board and the heat sink to realize a passive connection. In order to reduce the interference between the single boards, a shielding cover 5 may be added on the top of the single boards, and the ribs 50 of the shielding cover are located between the two single boards.

For this kind of placement, compared with the metal jumper method in the prior art, the metal jumper often passes through the ribs of the shielding cover, which reduces the electrical isolation performance between the boards. The inter-board connector in this embodiment There is no need to pass through the ribs of the shielding cover, so that the shielding cover can fully exert its shielding effect.

Since the use of other multi-pins is the same as that of two pins, only a brief introduction is given here. A multi-pin inter-board connector is placed under multiple pre-connected single boards, and multiple pins are respectively in contact with through holes of the single boards. Through reflow soldering, the inter-board connector and multiple single boards are connected. When the stress of the inter-board connector and the single board can ensure that the two are connected together, it is also possible to realize the single-board directly through the inter-board connector without soldering. elastic connection. The inter-board connector can be embedded in the installation structure, the single board and the installation structure are fixed by screws, and the inter-board connector is clamped between the single board and the installation structure, realizing a passive connection.

The following describes the situation where the inter-board connector is placed on the board.

Referring to FIG. 6 , the inter-board connector is placed on the top of the two single boards 3 , and the two pins 11 are respectively in contact with the wires 6 of the two single boards. Connect the board-to-board connector with the two boards through reflow soldering. When the stress of the board-to-board connector and the board can ensure that the two are connected together, it is also possible to realize the single board directly through the board-to-board connector without soldering. elastic connection. Among them, reflow soldering does not require manual operation, and the soldering process is simple, which is suitable for mass production of products.

In such an application situation, ribs can be set in the kit of the board-to-board connector, and the metal elastic connector is embedded in the ribs. In specific implementation, referring to FIG. 7 , the role of the kit can be replaced by the shield cover and its ribs, and the board-to-board connector is placed in the ribs 50 of the shielding case 5 . In this way, not only the purpose of connecting boards is achieved, but also a shielding effect can be achieved.

Since the use of other multi-pins is the same as that of two pins, only a brief introduction is given here. A multi-pin inter-board connector is placed on multiple pre-connected single boards, and multiple pins are in contact with the single boards respectively. Through reflow soldering, the inter-board connector and multiple single boards are connected. When the stress of the inter-board connector and the single board can ensure that the two are connected together, it is also possible to realize the single-board directly through the inter-board connector without soldering. elastic connection. The inter-board connector kit can be provided with ribs, multiple single boards are provided with multiple ribs, and the metal elastic connector is embedded in the multiple ribs.

It can be seen from the above two situations that the board-to-board connector provided by the present invention can be used alone or nested, such as radiators, shielding covers, etc., and can be applied to various application environments.

The above describes the specific placement of the inter-board connector, and the following describes the deformation of the inter-board connector in specific applications.

1. When the boards are not of the same height, you can fix the height of the pins at one end of the inter-board connector and adjust the height of the other pins. Refer to the situation of the two pins shown in Figure 8 to make it suitable for the height of the board; When the boards are of the same height, the pins can be of the same height.

2. When a single board has multiple wires that need to be connected, refer to the situation of two pins shown in FIG. 9 , a group of inter-board connectors composed of multiple inter-board connectors can be used.

3. According to different needs, the width of the pins of the inter-board connector can be adjusted, see Figure 10, the corresponding pins of the wires with high current can be wider, and the corresponding pins of ordinary signals can be narrower. In addition, the widths of multiple pins of the same inter-board connector may also be unequal or equal.

In addition, parameters such as the width, height, spacing, and shape of the inter-board connector pins can be configured according to actual needs. The inter-board connector is highly customizable and can transmit power, radio frequency, digital and other signals.

The board-to-board connector provided in this embodiment has a simple production and installation process, does not require a welding process, improves production efficiency, and improves the consistency of radio frequency signals; in addition, it also solves the interconnection problem of boards with different heights, and can be customized Strong resistance, easy processing, low production cost, and considerable commercial value.

Embodiment two

This implementation provides an electronic device, including an inter-board connector, the inter-board connector includes a metal elastic connector and a sleeve; the metal elastic connector includes at least two pins connected to each other, and the pins are connected to a plurality of individual pins respectively. The plates are connected; the metal elastic connectors are placed in the kit.

Further, when placed in the groove, according to the positional relationship between the single board and the kit, the height of the pin can be greater than, equal to or smaller than the height of the groove, as long as the pin can be connected to the pre-connected single board; When placed in through-holes, the pins should be exposed to the kit to ensure that the pins can be connected to the pre-attached single board.

Depending on whether the pre-connected single boards are of the same height, the heights of the pins of the metal elastic connector can be equal or different.

According to the size of the electric signal of the wire on the pre-connected single board, the width of the pins of the metal elastic connector can be equal or different.

There are one or more metal elastic connectors. When there are multiple metal elastic connectors, the distance between the metal elastic connectors can be equal or different, and the width of the pins between the metal elastic connectors can be equal or different.

A rib is arranged in the groove of the kit, and the metal elastic connecting body is embedded in the rib.

The electronic device also includes a mounting structure, the inter-board connector is embedded in the mounting structure, and the mounting structure may be a heat sink.

Specifically, the metal elastic connecting body is a metal wire, a metal sheet or other conductors; the set is an insulating set.

This embodiment and the first embodiment belong to the same inventive concept. For the detailed description of the board-to-board connector, refer to the first embodiment, which will not be repeated here.

The electronic equipment provided in this embodiment, including the board-to-board connector, has a simple production and installation process, does not require a welding process, improves production efficiency, and improves the consistency of radio frequency signals; in addition, it also solves the interconnection problem of boards with different heights , and has strong customizability, easy processing, low production cost, and considerable commercial value.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (20)

1. An inter-board connector, characterized in that it includes a metal elastic connector and a sleeve, the metal elastic connector includes at least two interconnected pins, and the pins are respectively connected to a plurality of single boards; The metal elastic connector is placed in the kit. 2. The board-to-board connector according to claim 1, wherein the heights of the pins of the metal elastic connecting body are equal or unequal. 3. The board-to-board connector according to claim 1, wherein the widths of the pins of the metal elastic connecting body are equal or unequal. 4. The board-to-board connector according to claim 1, characterized in that there are one or more metal elastic connecting bodies. 5. The board-to-board connector according to claim 4, wherein when there are multiple metal elastic connecting bodies, the distances between the metal elastic connecting bodies are equal or unequal. 6. The board-to-board connector according to claim 1, wherein the sleeve includes a groove or a through hole, and the metal elastic connecting body is placed in the groove or the through hole. 7. The board-to-board connector according to claim 1, wherein a rib is provided in the kit, and the metal elastic connecting body is embedded in the rib. 8. The board-to-board connector according to any one of claims 1-7, wherein the metal elastic connecting body is a metal wire or a metal sheet. 9. The board-to-board connector according to any one of claims 1-8, wherein the sleeve is an insulating sleeve. 10. An electronic device, characterized in that it includes an inter-board connector, the inter-board connector includes a metal elastic connector and a sleeve, the metal elastic connector includes at least two interconnected pins, and the lead The feet are respectively connected with multiple veneers; the metal elastic connecting body is placed in the kit. 11. The electronic device according to claim 10, wherein the heights of the pins of the metal elastic connectors are equal or unequal. 12. The electronic device according to claim 10, wherein the widths of the pins of the metal elastic connectors are equal or unequal. 13. The electronic device according to claim 10, characterized in that there are one or more metal elastic connectors. 14. The electronic device according to claim 13, wherein when there are multiple metal elastic connectors, the distances between the metal elastic connectors are equal or unequal. 15 . The electronic device according to claim 10 , wherein the set includes a groove or a through hole, and the metal elastic connecting body is placed in the groove or the through hole. 16. The electronic device according to claim 10, wherein a rib is provided in the kit, and the metal elastic connector is embedded in the rib. 17. The electronic device according to claim 10, further comprising a mounting structure, wherein the board-to-board connector is embedded in the mounting structure. 18. The electronic device according to claim 17, wherein the mounting structure is a heat sink. 19. The electronic device according to any one of claims 10-18, wherein the metal elastic connector is a metal wire or a metal sheet. 20. The electronic device according to any one of claims 10-19, wherein the casing is an insulating casing.

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