CN109088193B - Low-electric-noise board-to-board connector - Google Patents
Low-electric-noise board-to-board connector Download PDFInfo
- Publication number
- CN109088193B CN109088193B CN201810927844.9A CN201810927844A CN109088193B CN 109088193 B CN109088193 B CN 109088193B CN 201810927844 A CN201810927844 A CN 201810927844A CN 109088193 B CN109088193 B CN 109088193B
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- CN
- China
- Prior art keywords
- board
- female
- seat
- central spacer
- grounding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
Abstract
The invention discloses a low-electric-noise board-to-board connector, which comprises a male seat and a female seat, wherein a first grounding pin is arranged on the male seat, a second grounding pin matched with the first grounding pin is arranged on the female seat, two rows of female terminals are arranged on the female seat, the second grounding pin comprises a central spacer and at least one grounding part, the central spacer is positioned in a region between the two rows of female terminals, and the bottom end of the central spacer extends towards the direction far away from the male seat and is exposed out of the bottom surface of the female seat to form the grounding part. The second grounding pin is directly grounded from the bottom of the central area of the female seat, and does not extend out of the side edge of the female seat to be grounded, so that a grounding path is effectively shortened, current can rapidly flow through the board-to-board connector, and the electric noise of the board-to-board connector is reduced; the central spacer is positioned between the two rows of female terminals, so that the isolation between the two rows of female terminals is improved.
Description
Technical Field
The invention relates to a radio frequency connector, in particular to a low-electric-noise board-to-board connector.
Background
The board includes public seat and female seat to the board connector, and the relative both sides of public seat are equipped with one row of public terminal respectively, female be equipped with on the seat with two rows of female terminals of public terminal one-to-one, public terminal and female terminal cooperate, still are equipped with the island on the female seat, the island is located two rows between the female terminal, it is first ground connection pin to have one at least in the public terminal, have in the female terminal with first ground connection pin matched with second ground connection pin.
In the existing board-to-board connector, the contact position of the first grounding pin and the second grounding pin is generally close to an island on the female seat, and the contact point of the first grounding pin and an external component and the contact point of the second grounding pin and the external component are both positioned outside the side edge of the board-to-board connector, so that the grounding path of the board-to-board connector is C-shaped or Z-shaped, and the grounding path of the C-shaped or Z-shaped has the problem of long current transmission path, so that the existing board-to-board connector has large electrical noise and serious loss in the use process.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a board-to-board connector with low electrical noise and low loss is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a low-electricity noise board is to board connector, includes public seat and female seat, is equipped with first ground pin on the public seat, is equipped with the second ground pin with first ground pin matched with on the female seat, is equipped with two rows of female terminals on the female seat, second ground pin includes central spacer and at least one ground connection portion, central spacer is located two rows of region between the female terminal, the bottom of central spacer extends and exposes in the bottom surface of female seat in order to form ground connection portion towards the direction of keeping away from public seat.
The invention has the beneficial effects that: the second grounding pin is directly grounded from the bottom of the central area of the female seat, and does not extend out of the side edge of the female seat to be grounded, so that a grounding path is effectively shortened, current can rapidly flow through the board-to-board connector, and the electric noise of the board-to-board connector is reduced; the central spacer is positioned between the two rows of female terminals, so that the isolation between the two rows of female terminals is improved, the signal interference between the two rows of female terminals is reduced, and the board-to-board connector can transmit radio-frequency signals.
Drawings
Fig. 1 is a schematic view of an overall structure of a board-to-board connector according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second ground pin in the board-to-board connector according to the first embodiment of the present invention;
fig. 3 is a cross-sectional view of a board-to-board connector according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a female socket in a board-to-board connector according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a female socket in a board-to-board connector according to a first embodiment of the present invention.
Description of reference numerals:
1. a male seat;
2. a first ground pin;
21. a first clamping portion;
22. a second clamping portion;
23. welding the part;
3. a female seat;
31. a groove;
32. a reinforcing portion;
4. a second ground pin;
41. a central septum;
411. a first spacer;
412. a second spacer;
413. a gap;
42. a ground part;
5. a guide angle;
6. carrying out isolated island;
7. and (6) windowing.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the central spacer is additionally arranged between the two rows of female terminals of the female base, the male terminal is connected with the central spacer, and the central spacer is connected with the grounding part below the central spacer, so that the second grounding pin can be grounded from the bottom surface of the middle area of the female base, the length of a current flow path is effectively shortened, and the electrical noise is further reduced.
Referring to fig. 1 to 5, a low-electrical-noise board-to-board connector includes a male socket 1 and a female socket 3, the male socket 1 is provided with a first ground pin 2, the female socket 3 is provided with a second ground pin 4 matched with the first ground pin 2, the female socket 3 is provided with two rows of female terminals, the second ground pin 4 includes a central spacer 41 and at least one ground portion 42, the central spacer 41 is located in a region between the two rows of female terminals, and a bottom end of the central spacer 41 extends in a direction away from the male socket 1 and is exposed out of a bottom surface of the female socket 3 to form the ground portion 42.
From the above description, the beneficial effects of the present invention are: the second grounding pin is directly grounded from the bottom of the central area of the female seat, and does not extend out of the side edge of the female seat to be grounded, so that a grounding path is effectively shortened, current can rapidly flow through the board-to-board connector, and the electric noise of the board-to-board connector is reduced; the central spacer is positioned between the two rows of female terminals, so that the isolation between the two rows of female terminals is improved, the signal interference between the two rows of female terminals is reduced, and the board-to-board connector can transmit radio-frequency signals.
Further, the longitudinal direction of the center spacer 41 coincides with the longitudinal direction of the female holder 3.
Further, the central spacer 41 includes a first spacer 411 and a second spacer 412 disposed in a coplanar manner, and a gap 413 is formed between the first spacer 411 and the second spacer 412.
As can be seen from the above description, the center spacer is divided into multiple segments, which is convenient for manufacturers to manufacture board-to-board connectors.
Further, the central spacer 41 is disposed perpendicular to the bottom surface of the female socket 3.
Further, first ground pin 2 includes first clamping part 21, second clamping part 22 and welding part 23, first clamping part 21 with second clamping part 22 is the U style of calligraphy respectively, central spacer 41 centre gripping is between first clamping part 21 and second clamping part 22, and second clamping part 22 is kept away from the one end of central spacer 41 with the one end of welding part 23 links to each other, the other end of welding part 23 is followed the side of public seat 1 stretches out.
As can be seen from the above description, the first ground pin clamps the second ground pin, so that the first and second ground pins are connected more tightly, thereby providing stability for the board-to-board connector.
Furthermore, one end of the central spacer 41, which is far away from the bottom surface of the female seat 3, is provided with a guide angle 5.
It can be known from the above description that setting up the guide angle makes things convenient for central spacer to insert between first, two clamping parts, reduces the grafting loss between first, two ground pin, prolongs the life of extension board to the board connector.
Furthermore, an island 6 is arranged on the female seat 3, the island 6 is located between the two rows of female terminals, the central spacer 41 is arranged in the island 6, and two ends of the central spacer 41 respectively extend out of the inner part of the island 6.
As can be seen from the above description, when the female seat is injection molded, the end of the central spacer can become a clamping position, which is convenient for manufacturers to produce.
Furthermore, a groove 31 is formed in the bottom surface of the female base 3, the grounding portion 42 is located in the groove 31, and an end surface of the grounding portion 42 away from the central spacer 41 is coplanar with the bottom surface of the female base 3.
Further, the recess 31 has a reinforcing portion 32 disposed around the grounding portion 42, and the reinforcing portion 32 is integrally formed with the female socket 3.
As can be seen from the above description, the provision of the reinforcement portion can provide a good protection effect for the grounding portion.
Example one
Referring to fig. 1 to 5, a first embodiment of the present invention is: a low-electric-noise board-to-board connector comprises a male base 1 and a female base 3, wherein a first grounding pin 2 is arranged on the male base 1, a second grounding pin 4 matched with the first grounding pin 2 is arranged on the female base 3, two rows of female terminals are arranged on the female base 3, the second grounding pin 4 comprises a central spacer 41 and at least one grounding part 42, the central spacer 41 is positioned in an area between the two rows of female terminals, and the bottom end of the central spacer 41 extends towards a direction far away from the male base 1 and is exposed out of the bottom surface of the female base 3 to form the grounding part 42. Preferably, the central spacer 41 is used as a conductive metal sheet.
Specifically, the longitudinal direction of the center spacer 41 coincides with the longitudinal direction of the female socket 3.
For convenience of manufacture, the central spacer 41 includes a first spacer 411 and a second spacer 412 disposed in a coplanar manner, with a gap 413 between the first spacer 411 and the second spacer 412. Preferably, the central spacer 41 is disposed perpendicular to the bottom surface of the female socket 3.
In this embodiment, the first grounding pin 2 includes a first clamping portion 21, a second clamping portion 22 and a welding portion 23, the first clamping portion 21 and the second clamping portion 22 are respectively U-shaped, and the first clamping portion and the second clamping portion are fixed on the male base 1 and then are "UU" -shaped; the central spacer 41 is clamped between the first clamping portion 21 and the second clamping portion 22, one end of the second clamping portion 22, which is far away from the central spacer 41, is connected with one end of the welding portion 23, and the other end of the welding portion 23 extends out of the side surface of the male socket 1.
Optionally, one end of the central spacer 41 away from the bottom surface of the female seat 3 is provided with a guide angle 5.
An island 6 is arranged on the female seat 3, the island 6 is positioned between two rows of female terminals, the central spacer 41 is arranged in the island 6, and two ends of the central spacer 41 respectively extend out of the inner part of the island 6.
The region of the male seat 1 corresponding to the first clamping part and the second clamping part is provided with a window 7, and the arrangement of the window 7 ensures that the first clamping part 21 and the second clamping part 22 can be exposed when the male seat 1 is injection molded, so that the function of clamping the central spacer 41 is exerted; in addition, the arrangement of the windowing part 7 can also provide sufficient deformation space for the first clamping part and the second clamping part, so that the situation that the male seat 1 blocks the deformation of the first clamping part and the second clamping part is avoided, and the stability of the plate to the work of the radio frequency connector is favorably ensured.
The bottom surface of the female seat 3 is provided with a groove 31, the grounding part 42 is positioned in the groove 31, and the end surface of the grounding part 42 far away from the central spacer 41 is coplanar with the bottom surface of the female seat 3. Preferably, the groove 31 has a reinforcing portion 32 disposed around the grounding portion 42, the reinforcing portion 32 is integrally formed with the female socket 3, and the height of the reinforcing portion 32 is smaller than the depth of the groove 31.
In summary, in the board-to-board connector provided by the present invention, the second grounding pin is directly grounded from the bottom of the central region of the female socket, and does not extend out from the side edge of the female socket to be grounded, so that the grounding path is effectively shortened, and the current can flow through the board-to-board connector more rapidly, thereby reducing the electrical noise of the board-to-board connector, and moreover, since the grounding path is shortened, the resistance value of the grounding pin is reduced, which is beneficial to reducing the loss; the central spacer is positioned between the two rows of female terminals, so that the isolation between the two rows of female terminals is improved, the signal interference between the two rows of female terminals is reduced, and the board-to-board connector can transmit radio frequency signals; the central spacer is divided into a plurality of sections, so that manufacturers can conveniently process and produce the board-to-board connectors; the guide angle is arranged to facilitate the insertion of the central spacer between the first clamping part and the second clamping part, so that the service life of the plate-to-plate connector is prolonged; the window which exposes the first clamping part and the second clamping part is arranged on the male seat, so that the working stability of the board-to-board radio frequency connector can be ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a low-electricity noise board is to board connector, includes public seat and female seat, is equipped with first ground connection pin on the public seat, is equipped with on the female seat with first ground connection pin matched with second ground connection pin, is equipped with two rows of female terminals on the female seat, its characterized in that: the second grounding pin comprises a central spacer and at least one grounding part, the central spacer is positioned in a region between two rows of the female terminals, and the bottom end of the central spacer extends towards the direction far away from the male seat and is exposed out of the bottom surface of the female seat to form the grounding part; the first grounding pin comprises a first clamping part and a second clamping part, the first clamping part and the second clamping part are respectively in a U shape, the first clamping part and the second clamping part are fixed on a male seat to form a UU-shaped structure, a central spacer is clamped between the first clamping part and the second clamping part, an island is arranged on the female seat and is positioned between two rows of female terminals, the central spacer is arranged in the island, two ends of the central spacer respectively extend out of the inner part of the island, and an open window is arranged in an area, corresponding to the first clamping part and the second clamping part, on the male seat; the bottom surface of the female seat is provided with a groove, the grounding part is positioned in the groove, and the end surface of the grounding part, which is far away from the central spacer, is coplanar with the bottom surface of the female seat.
2. A low-electrical-noise board-to-board connector according to claim 1, wherein: the length direction of the central spacer is consistent with the length direction of the female seat.
3. A low-electrical-noise board-to-board connector according to claim 2, wherein: the central spacer includes a first spacer and a second spacer disposed in a coplanar arrangement with a gap therebetween.
4. A low-electrical-noise board-to-board connector according to claim 1, wherein: the central spacer is perpendicular to the bottom surface of the female seat.
5. A low-electrical-noise board-to-board connector according to claim 4, wherein: first ground pin still includes the welding part, the second clamping part keep away from the one end of central septum with the one end of welding part links to each other, the other end of welding part is followed the side of public seat stretches out.
6. A low-electrical-noise board-to-board connector according to claim 5, wherein: and a guide angle is arranged at one end of the central spacer, which is far away from the bottom surface of the female seat.
7. A low-electrical-noise board-to-board connector according to claim 1, wherein: the groove is internally provided with a reinforcing part which is arranged around the grounding part, and the reinforcing part and the female seat are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810927844.9A CN109088193B (en) | 2018-08-15 | 2018-08-15 | Low-electric-noise board-to-board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810927844.9A CN109088193B (en) | 2018-08-15 | 2018-08-15 | Low-electric-noise board-to-board connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109088193A CN109088193A (en) | 2018-12-25 |
| CN109088193B true CN109088193B (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810927844.9A Active CN109088193B (en) | 2018-08-15 | 2018-08-15 | Low-electric-noise board-to-board connector |
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| Country | Link |
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| CN (1) | CN109088193B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200088637A (en) | 2019-01-15 | 2020-07-23 | 몰렉스 엘엘씨 | Receptacle connector, plug connector and board to board connector having the same |
| CN110380289A (en) * | 2019-06-27 | 2019-10-25 | 深圳市长盈精密技术股份有限公司 | Plate is to plate socket, plug and component |
| CN113013650A (en) * | 2019-12-20 | 2021-06-22 | 中兴通讯股份有限公司 | Board-to-board connector and method of forming the same |
| CN111786202A (en) * | 2020-07-09 | 2020-10-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Multi-polar substrate electric connector |
| CN111786200B (en) * | 2020-07-09 | 2021-08-31 | 瑞声新能源发展(常州)有限公司科教城分公司 | Multi-polar substrate electric connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102006031949A1 (en) * | 2006-07-11 | 2008-01-24 | Leopold Kostal Gmbh & Co. Kg | Flat plugging socket for motor vehicle, has contact pins connecting frame with connection support and contact springs contacting flat connection, where free end section of each contact springs is bent in interior of frame |
| CN206541967U (en) * | 2017-03-02 | 2017-10-03 | 沈阳立硕网能科技有限公司 | A kind of busbar with electric energy transmission and flexible current-taking function |
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|---|---|---|---|---|
| CN2720666Y (en) * | 2004-05-24 | 2005-08-24 | 瀚荃股份有限公司 | Plate-to-plate connector structure |
| CN1734854A (en) * | 2004-08-12 | 2006-02-15 | 威盛电子股份有限公司 | Connector capable of providing a plurality of ground loops |
| CN202103202U (en) * | 2011-05-05 | 2012-01-04 | 番禺得意精密电子工业有限公司 | Board-to-board electrical connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109088193A (en) | 2018-12-25 |
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