CN110867688A

CN110867688A - Back panel connector

Info

Publication number: CN110867688A
Application number: CN201911388238.5A
Authority: CN
Inventors: 向伟明
Original assignee: ZUNYI CITY FEIYU ELECTRONIC CO Ltd
Current assignee: ZUNYI CITY FEIYU ELECTRONIC CO Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-03-06

Abstract

The invention discloses a backplane connector, which belongs to the technical field of electronic connectors and comprises a shell, a vertical connecting assembly and a direct connecting assembly, wherein a plug of the vertical connecting assembly is provided with a plurality of vertical connecting units; the vertical connecting unit is of a sheet structure and is formed by combining two half pieces and a plurality of connecting needle bodies, and the upper ends and the lower ends of the connecting needle bodies are exposed and vertical in direction; the plurality of vertical connection units are installed by being inserted into the vertical module base side by side. The backplane connector is 130mm long and 14mm wide, can simultaneously connect 25-30 radio frequency signals and 20-24 differential signals, and has the advantages of small size, strong interference resistance, good reliability and good transmission effect.

Description

Back panel connector

Technical Field

The invention relates to the technical field of an electric connector module, a lead electric connector and the like, in particular to a backplane connector.

Background

Backplane connectors are electrical connectors that are connected to a backplane board at an angle (right angle) and are commonly used as high-speed signal paths between the backplane board, daughter boards, and midplane boards in Printed Circuit Boards (PCBs).

With the rapid development of electronic technology, higher requirements for high-speed transmission, interference resistance and volume miniaturization are put on the performance of the connector, and higher reliability is also required particularly in the fields of aviation, aerospace and military equipment.

Disclosure of Invention

The invention aims to miniaturize an electric connector, and provide a backplane connector with better performances such as interference resistance, high-speed transmission, reliability and the like.

In order to achieve the purpose, the technical scheme is as follows:

a backplane connector comprising a housing, a first component and a second component, the first and second components each being mounted in the housing by a base, the first and second components each comprising a plug and a socket. The first assembly is a vertical connecting assembly, the second assembly is a direct connecting assembly, a plug of the vertical connecting assembly is provided with a plurality of vertical connecting units, and the direct connecting assembly is provided with a plurality of direct connecting units; the vertical connecting unit is of a sheet structure and is formed by combining two half pieces and a plurality of connecting needle bodies, and the upper ends and the lower ends of the connecting needle bodies are exposed and vertical in direction; the plurality of vertical connection units are installed by being inserted into the vertical module base side by side.

Furthermore, the shell is also provided with a guide pin/hole and a coder, the plug shell is also provided with a fixing column, and the fixing column is provided with a mounting fixing hole.

Furthermore, be equipped with the vertical component base on the plug of vertical connection subassembly, the lower part of vertical component base is equipped with slot and locating hole, is equipped with spacing tooth and elastic location tooth on the perpendicular linkage unit, the perpendicular linkage unit is packed into in the vertical component base through the slot to make the location tooth block in the locating hole, spacing tooth contact base is installed.

Further, vertical connection subassembly and direct connection subassembly pass through the connecting block to be connected, are equipped with the latch of being connected with the connecting block on vertical connection subassembly and the direct connection subassembly, are equipped with the draw-in groove that corresponds with the latch on the connecting block.

Further, the upper portion of the vertical component base is provided with a jack enclosure for the upper end pin of the vertical connection unit, and the jack enclosure independently opens the inner pin.

Furthermore, the two half pieces of the vertical connecting unit can be provided with or take out the connecting pin body inside after being opened, and the two half pieces are clamped by the slot after the vertical connecting unit is inserted into the slot.

Further, be equipped with the direct subassembly base on the plug of direct coupling assembling, the direct subassembly base is equipped with the jack enclosure to the direct coupling unit contact pin end, the jack enclosure is independent with inside contact pin and is come.

Further, the vertical connection assembly is a differential signal connection assembly, and the direct connection assembly is a radio frequency signal connection assembly.

Furthermore, the length of the vertical connecting assembly is 55-65mm, the width of the vertical connecting assembly is 12-15mm, 4-6 connecting needle bodies are arranged in the vertical connecting units, and 25-30 vertical connecting units are arranged in the vertical connecting assembly.

Further, the length of the direct connection assembly is 55-65mm, the width of the direct connection assembly is 12-15mm, and 20-24 direct connection units are arranged in the direct connection assembly.

The beneficial effect who adopts above-mentioned scheme does: the backplane connector is about 130mm in length, 14mm in width and 35mm in height after connection, can simultaneously connect 25-30 radio frequency signals and 20-24 differential signals, and can be used for connection of a mainboard, a daughter board and a backplane. The differential module is resistant to voltage of 500-DC, the insulation resistance is more than or equal to 3000 MOmega, and the leakage current is less than or equal to 5 mA; the radio frequency module is resistant to voltage of 500-DC, the insulation resistance is more than or equal to 5000M omega, and the leakage current is less than or equal to 5 mA. The connecting structure can be used for connecting the main board, the sub-board and the back board, and has the advantages of small size, strong interference resistance, good reliability and good transmission effect.

Drawings

Fig. 1 is a schematic diagram of a plug portion of the backplane connector of the present invention.

Fig. 2 is a schematic view of a socket portion of the backplane connector of the present invention.

Fig. 3 is a schematic front view of the backplane connector plug of the present invention.

Fig. 4 is a front view of the backplane connector receptacle of the present invention.

Fig. 5 is a schematic top view of the backplane connector plug of the present invention.

Fig. 6 is a bottom view of the backplane connector receptacle of the present invention.

Fig. 7 is a schematic cross-sectional view of the plug portion of the backplane connector of the present invention.

Fig. 8 is a cross-sectional view of the receptacle portion of the backplane connector of the present invention.

Fig. 9 is a schematic structural diagram of a vertical connection unit in the backplane connector of the present invention.

In the figure, a vertical connecting component 1, a direct connecting component 2, a shell 3, a guide pin/hole 4, a coding sub 5, a fixing column 6, a direct connecting unit 7, a direct component base 8, a connecting block 9, a vertical component base 10, a vertical connecting unit 11, a positioning hole 12, a limiting tooth 13, a positioning tooth 14, a vertical pin upper end 15 and a vertical pin lower end 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 9, a backplane connector comprises a housing 3, a first member and a second member, both of which are mounted in the housing 3 through a base, both of which comprise a plug and a socket. The first assembly is a vertical connection assembly 1, the second assembly is a direct connection assembly 2, a plug of the vertical connection assembly 1 is provided with a plurality of vertical connection units 11, and the direct connection assembly 2 is internally provided with a plurality of direct connection units 7; the vertical connecting unit 11 is of a sheet structure, the vertical connecting unit 11 is formed by combining two half pieces and a plurality of connecting needle bodies, and the upper ends and the lower ends of the connecting needle bodies are exposed and vertical in direction; the plurality of vertical connection units 11 are installed by being inserted side by side into the vertical module base 10.

The assembly is smoothly attached to the shell after being assembled, and cannot be loosened or warped, and the vertical connecting assembly 1 cannot be deflected. During the assembly process, the tail needle of the connector is protected, and the tail needle is inserted and tested by using a corresponding correction plate to ensure that the assembly is qualified. After assembly, acetone is used for removing oil stains.

The plug is characterized in that the shell 3 is further provided with a guide pin/hole 4 and a coder 5, the plug shell 3 is further provided with a fixing column 6, and the fixing column 6 is provided with a mounting and fixing hole. The coding sub 5 sets corresponding positions and sizes on the plug and the socket according to the specific type of the connector, so that the phenomena of wrong insertion such as different types and wrong directions can be prevented. The connector is mounted on the circuit board by passing a screw through the mounting fixing hole, and a grounding reed, model K8, is arranged in the mounting fixing hole. After the connector is assembled, the inserting ends are provided with dust covers to prevent dust from entering.

Be equipped with vertical component base 10 on vertical component 1's the plug, the lower part of vertical component base 10 is equipped with slot and locating hole 12, is equipped with spacing tooth 13 and elastic location tooth 14 on the vertical connection unit 11, vertical connection unit 11 packs into vertical component base 10 through the slot to make location tooth 14 block go into in locating hole 12, spacing tooth 13 contact base installs. The vertical connection unit 11 is required to be able to withstand a thrust of 60N without coming off after being mounted in the base.

Perpendicular coupling assembling 1 and direct coupling assembling 2 are connected through connecting block 9, are equipped with the latch of being connected with connecting block 9 on perpendicular coupling assembling 1 and the direct coupling assembling 2, are equipped with the draw-in groove that corresponds with the latch on the connecting block 9. A group of fixing columns 6 are also arranged below the connecting block 9.

The upper portion of the vertical component base 10 is provided with a jack enclosure for the upper end pin of the vertical connection unit 11, the jack enclosure independently opens the inner pin, and the jack enclosure is a shielding layer. Be equipped with direct component base 8 on direct connection subassembly 2's the plug, direct component base 8 is equipped with the jack enclosure to the 7 contact pin ends of direct connection unit, the jack enclosure is independent to be opened inside contact pin, and the jack enclosure is the shielding layer.

After the two half pieces of the vertical connecting unit 11 are opened, the connecting needle body inside the vertical connecting unit can be installed or taken out, and after the vertical connecting unit 11 is inserted into the slot, the two half pieces are clamped by the slot. The vertical connecting assembly 1 is a differential signal connecting assembly, and the model is LRM-140. The direct connection assembly 2 is a radio frequency signal connection assembly, model LRM-T22. The differential assembly pin tips should be substantially centered in the base holes and not against the walls. The guide post and the shell locking screw are subjected to anti-loosening treatment by coating thread glue, and the guide post and the shell need to be conducted.

The upper part of the plug of the differential assembly is a contact pin, the lower part of the plug is a wiring terminal which is vertically connected with the pin body, the lower end of the socket is a jack, and the upper end of the socket is a wiring terminal. The upper portion of radio frequency subassembly plug is the contact pin, and the lower part is circular jack, and the socket lower extreme is the jack, and the socket upper end is the circular jack of jack. A gap is arranged between the jack of the socket and the base, and the jack of the socket extends into the jack surrounding body of the plug to be correspondingly connected with the contact pin.

The length of the vertical connecting assembly 1 is 55-65mm, the width of the vertical connecting assembly 1 is 12-15mm, 4-6 connecting needle bodies are arranged in the vertical connecting units 11, and 25-30 vertical connecting units 11 are arranged in the vertical connecting assembly 1. The types of the differential assembly (connecting needle body) are LRM-5JW1-0.4 and LRM-KN 2-0.4. The length of the direct connection assembly 2 is 55-65mm, the width of the direct connection assembly 2 is 12-15mm, and 20-24 direct connection units 7 are arranged in the direct connection assembly 2. The differential module is pressure-resistant: 500-DC, insulation resistance: 3000M omega or more, leakage current: less than or equal to 5 mA; the radio frequency module is pressure-resistant: 500-DC, insulation resistance: not less than 5000M Ω, leakage current: less than or equal to 5 mA. The connecting structure can be used for connecting the main board, the sub-board and the back board, and has the advantages of small size, strong interference resistance, good reliability and good transmission effect.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A backplane connector comprising a housing (3), a first component and a second component, the first component and the second component each being mounted in the housing (3) by a base, the first component and the second component each comprising a plug and a socket, characterized in that:

the first assembly is a vertical connection assembly (1), the second assembly is a direct connection assembly (2), a plug of the vertical connection assembly (1) is provided with a plurality of vertical connection units (11), and a plurality of direct connection units (7) are arranged in the direct connection assembly (2);

the vertical connecting unit (11) is of a sheet structure, the vertical connecting unit (11) is formed by combining two half pieces and a plurality of connecting needle bodies, and the upper ends and the lower ends of the connecting needle bodies are exposed and vertical in direction;

the plurality of vertical connection units (11) are installed by being inserted side by side into the vertical module base (10).

2. The backplane connector of claim 1, wherein: the plug is characterized in that the shell (3) is further provided with a guide pin/hole (4) and a coder (5), the plug shell (3) is further provided with a fixing column (6), and the fixing column (6) is provided with a mounting and fixing hole.

3. The backplane connector of claim 1, wherein: be equipped with perpendicular subassembly base (10) on the plug of perpendicular coupling assembling (1), the lower part of perpendicular subassembly base (10) is equipped with slot and locating hole (12), is equipped with spacing tooth (13) and elastic location tooth (14) on perpendicular linkage unit (11), during perpendicular linkage unit (11) packed into perpendicular subassembly base (10) through the slot to make location tooth 14 card go into locating hole (12), spacing tooth (13) contact base installs.

4. The backplane connector of claim 1, wherein: perpendicular coupling assembling (1) and direct coupling assembling (2) are connected through connecting block (9), are equipped with the latch of being connected with connecting block (9) on perpendicular coupling assembling (1) and direct coupling assembling (2), are equipped with the draw-in groove that corresponds with the latch on connecting block (9).

5. The backplane connector of claim 1, wherein: the upper part of the vertical component base (10) is provided with a jack surrounding body aiming at the upper end pin of the vertical connecting unit (11), and the inner pin is independently opened by the jack surrounding body.

6. The backplane connector of claim 3, wherein: after the two half pieces of the vertical connecting unit (11) are opened, the connecting needle body inside the vertical connecting unit can be installed or taken out, and after the vertical connecting unit (11) is inserted into the slot, the two half pieces are clamped by the slot.

7. The backplane connector of claim 1, wherein: be equipped with direct component base (8) on the plug of direct connect component (2), direct component base (8) are equipped with the jack encirclement body to direct connect unit (7) contact pin end, the jack encirclement body is independent with inside contact pin and is come.

8. The backplane connector of claim 1, wherein: perpendicular coupling assembling (1) is difference signal coupling assembling, direct connection subassembly (2) are radio frequency signal coupling assembling.

9. The backplane connector of claim 1, wherein: the length of the vertical connecting assembly (1) is 55-65mm, the width of the vertical connecting assembly is 12-15mm, 4-6 connecting needle bodies are arranged in the vertical connecting units (11), and 25-30 vertical connecting units (11) are arranged in the vertical connecting assembly (1).

10. The backplane connector of claim 1, wherein: the length of the direct connection assembly (2) is 55-65mm, the width of the direct connection assembly is 12-15mm, and 20-24 direct connection units (7) are arranged in the direct connection assembly (2).