CN112768973A - Reinforced high-speed backplane connector socket - Google Patents
Reinforced high-speed backplane connector socket Download PDFInfo
- Publication number
- CN112768973A CN112768973A CN202011495256.6A CN202011495256A CN112768973A CN 112768973 A CN112768973 A CN 112768973A CN 202011495256 A CN202011495256 A CN 202011495256A CN 112768973 A CN112768973 A CN 112768973A
- Authority
- CN
- China
- Prior art keywords
- connector
- contact
- signal transmission
- protrusions
- flat connecting
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
-
- 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
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6461—Means for preventing cross-talk
- H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
-
- 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
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
-
- 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]
- H01R13/6581—Shield structure
Abstract
The invention provides a reinforced high-speed backplane connector socket which comprises a connector base, a plurality of signal transmission contact bodies and a plurality of reference ground contact bodies, wherein the connector base is provided with a plurality of hole sites which are arranged side by side, each hole site is internally provided with 2 symmetrically arranged clamping grooves, the signal transmission contact bodies or the plurality of reference ground contact bodies are inserted into the 2 clamping grooves in an interference fit mode for fixation, and the length of the reference ground contact bodies is greater than that of the signal transmission contact bodies. The socket provided by the invention can be used for reinforcing the connection between the connector and the circuit board while reducing the signal stub so as to ensure the high-speed signal transmission performance, and improving the vibration and impact resistance of the product.
Description
Technical Field
The invention belongs to the technical field of backplane connectors, and relates to a reinforced high-speed backplane connector socket.
Background
The high-speed backplane connector is widely applied to the field of electronic communication at present as a high-speed data transmission connector which is most widely applied, and the high-speed connector socket is an important part of a connection system and is an important part for ensuring the performance of the whole transmission system. And because the product can not design overlength in order to prevent the influence that the incomplete root of contact caused to the signal when carrying out signal transmission, and shorter contact can cause the influence to the stability of being connected of connector and circuit board. Due to the contradiction between the influence of the stub of the high-speed connector contact on the signal and the connection stability between the connector and the circuit board, the fixity of the high-speed backplane connector cannot be improved all the time.
Disclosure of Invention
In order to solve the technical problems, the invention provides a reinforced high-speed backplane connector socket, which can be used for reinforcing the connection between a connector and a circuit board while reducing signal stub so as to ensure the high-speed signal transmission performance, and improving the vibration and impact resistance of a product.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high-speed back plate connector socket of reinforcement type, this socket includes connector base, a plurality of signal transmission contact and a plurality of contact of ground of consulting, be equipped with a plurality of hole sites that set up side by side on the connector base, be equipped with 2 draw-in grooves that the symmetry set up in every hole site, signal transmission contact or a plurality of contact of ground of consulting insert 2 draw-in grooves through interference fit mode in fixed, the length of contact of ground of consulting is greater than the length of signal transmission contact.
Further, the connector base is made of an insulator material.
Further, the signal transmission contact comprises a first double-spring needle and a first flat connecting part which are integrally formed, wherein the first flat connecting part comprises a first sheet-shaped body and a first fisheye structure;
the ground reference contact comprises a second double-bullet needle and a second flat connecting part which are integrally formed, wherein the second flat connecting part comprises a second sheet body and a second fisheye structure;
and the first double-elastic needle and the second double-elastic needle as well as the first flat connecting part and the second flat connecting part are the same in shape and size, but the length of the second fisheye structure is greater than that of the first fisheye structure.
Further, after the signal transmission contact body is fixed with the card slot of the connector base, a distance L1 between the lowest point of the first fisheye structure and the lowest surface of the card slot of the connector base is not greater than a thickness D of a printed circuit board connected with the connector base;
after the reference ground contact is fixed with the clamping groove of the connector base, the distance L2 between the lowest point of the fisheye hole of the second fisheye structure and the lowest surface of the clamping groove of the connector base is not less than the thickness D of the printed circuit board connected with the connector base.
Furthermore, 2 draw-in grooves are along the bottom to the inclined plane of inside inboard slope, and the wide accommodation space of narrow on the top is down formed between 2 draw-in grooves.
Furthermore, a pair of first bulges which are symmetrically arranged are arranged on two sides of the upper end of the first sheet-shaped body of the first flat connecting part, a pair of second bulges which are symmetrically arranged are arranged on two sides of the lower end of the first sheet-shaped body, the first bulges are of arc structures, and the second bulges are of square structures.
Furthermore, a pair of third bulges which are symmetrically arranged is arranged on two sides of the upper end of the second sheet-shaped body of the second flat connecting part, a pair of fourth bulges which are symmetrically arranged is arranged on two sides of the lower end of the second sheet-shaped body, the third bulges are of arc structures, and the fourth bulges are of square structures.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the signal transmission contact body and the reference ground contact body use the fisheye structures with different lengths, on the basis of reducing the stub of the signal transmission contact body, the fisheye structure of the reference ground contact body is increased, so that the whole connector and the printed circuit board are more stable in the connection process, meanwhile, the longer reference ground contact body does not cause adverse effect on signal transmission, but provides better shielding effect due to the lengthened physical structure, and thus, the crosstalk between each group of high-speed signals is more effectively inhibited. In addition, the double-elastic-pin structure adopted by the two contact bodies can effectively prevent signal circuit breaking caused by contact body failure, and the connector base clamping groove adopts a slope structure and a multi-protrusion structure between the two contact bodies to form a relatively good fixing effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a schematic view of a signal transmission contact, a reference ground contact and a connector base mounting location;
FIG. 3 is a schematic diagram of a thickness D of a printed circuit board;
fig. 4 is a schematic diagram of the structure of a signal transmission contact;
FIG. 5 is a schematic diagram of the structure of a reference ground contact;
figure 6 is a schematic diagram of one arrangement of signal transmission contacts and reference ground contacts provided by the embodiments.
Fig. 7 is a schematic diagram of an arrangement structure of signal transmission contacts and reference ground contacts of an odd-numbered column provided by the embodiment;
FIG. 8 is a schematic diagram of an arrangement structure of signal transmission contacts and ground reference contacts of an even column provided by the embodiment;
in the figure: 1-a connector base; 11-a card slot; 2-signal transmission contact; 21-a first double-bullet needle; 22-a first flat connection; 221-a first lamellar body; 222-a first fisheye structure; 2211-first projection; 2212-second projection; 3-a reference ground contact; 31-a second double spring needle; 32-a second flat connection; 321-a second platelet; 3211-third projection; 3212-fourth projection; 322-a second fisheye structure; 4-printed circuit board.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Examples
Referring to fig. 1-2, a reinforced high-speed backplane connector socket includes a connector base 1, a plurality of signal transmission contacts 2 and a plurality of ground reference contacts 3, a plurality of hole sites arranged side by side are provided on the connector base 1, 2 symmetrical slots 11 are provided in each hole site, the signal transmission contacts 2 or the ground reference contacts 3 are inserted into the 2 slots 11 in an interference fit manner for fixation, and the length of the ground reference contacts 3 is greater than that of the signal transmission contacts 2.
The connector base 1 is made of insulator materials, the connector base 1 is of a rectangular structure integrally, and a plurality of hole sites are distributed in parallel in a plurality of rows.
As shown in fig. 4, the signal transmission contact 2 includes a first double spring pin 21 and a first flat connection portion 22 which are integrally formed, and the first flat connection portion 22 includes a first sheet body 221 and a first fisheye structure 222;
as shown in fig. 5, the ground-reference contact 3 includes a second double-springing needle 31 and a second flat connection portion 32 which are integrally formed, and the second flat connection portion 32 includes a second sheet body 321 and a second fisheye structure 322;
and the first and second double- elastic needles 21 and 31, the first flat connection portion 22 and the second flat connection portion 32 are all the same in shape and size, but the length of the second fisheye structure 322 is greater than that of the first fisheye structure 222.
As shown in fig. 2 to 3, after the signal transmission contact 2 is fixed to the card slot 11 of the connector base 1, a distance L1 between a lowest point of the first fisheye structure 222 and a lowest surface of the card slot 11 of the connector base 1 is not greater than a thickness D of the printed circuit board 4 connected to the connector base 1;
after the reference ground contact 3 is fixed to the card slot 11 of the connector base 1, a distance L2 between a lowest point of the fisheye of the second fisheye structure 322 and a lowest surface of the card slot 11 of the connector base 1 is not less than a thickness D of the printed circuit board 4 connected to the connector base 1.
Referring to fig. 7 to 8, the 2 card slots 11 are inclined surfaces inclined upward and inward along the bottom, and a receiving space having a wide bottom and a narrow top is formed between the 2 card slots 11.
As shown in fig. 4, a pair of first protrusions 2211 symmetrically arranged are disposed on two sides of the upper end of the first sheet-shaped body 221 of the first flat connecting portion 22, a pair of second protrusions 2212 symmetrically arranged are disposed on two sides of the lower end of the first sheet-shaped body, the first protrusions 2211 are arc-shaped, the second protrusions 2212 are square-shaped, the first protrusions 2211 are in point contact with the front of the card slot 11, the second protrusions 2212 are in surface contact with the card slot 11, and a good fixing effect is achieved between the first protrusions 2211 and the slope-shaped structure with the width at the bottom and the width at the top of the card slot 11.
As shown in fig. 5, a pair of third protrusions 3211 symmetrically disposed are disposed on two sides of the upper end of the second sheet 321 of the second flat connecting portion 32, a pair of fourth protrusions 3212 symmetrically disposed are disposed on two sides of the lower end, the third protrusions 3211 are arc-shaped, and the fourth protrusions 3212 are square-shaped. The third protrusion 3211 makes point contact with the card slot 11, and the fourth protrusion 3212 makes surface contact with the card slot 11, so as to form a good fixing effect with the slope structure of the card slot 11.
The specific arrangement of the plurality of signal transmission contacts 2 and the plurality of reference ground contacts 3 may be arranged as required by the connector channel definition. The plurality of signal transmission contacts 2 and the plurality of ground reference contacts 3 are arranged in a spaced-apart manner, isolating crosstalk between signals and providing a signal return path. As shown in fig. 6, there are odd-numbered rows and even-numbered rows (9 rows and 16 rows of hole sites in the embodiment), where the contact types in each corresponding hole site in the adjacent rows of the odd-numbered rows and the even-numbered rows are opposite, and as shown in fig. 7-8, the contact types of the first, second, fifth, sixth, and ninth hole sites from the left in each row are the same, and the contact types of the third, fourth, seventh, and eight hole sites from the left are the same (the signal transmission contacts 2 are differential signal contacts when they occur in pairs, and are single-ended signal contacts when they occur individually).
According to the invention, the signal transmission contact body 2 and the reference ground contact body 3 adopt fisheye structures with different lengths, on the basis of reducing the stub of the signal transmission contact body 2, the fisheye structure of the reference ground contact body 3 is increased, so that the whole connector and the printed circuit board are more stable in the connection process, meanwhile, the longer reference ground contact body 3 does not cause adverse effect on signal transmission, but provides better shielding effect due to the lengthened physical structure, and thus crosstalk between each group of high-speed signals is more effectively inhibited. In addition, the double-spring-pin structure adopted by the two contact bodies can effectively prevent signal circuit breaking caused by contact body failure, and the clamping groove 11 of the connector base 1 adopts a slope type structure and a multi-bulge structure between the two contact bodies to form a good fixing effect.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. The utility model provides a reinforcement type high-speed backplane connector socket, its characterized in that, this socket includes connector base, a plurality of signal transmission contact and a plurality of contact of ground of consulting, be equipped with a plurality of hole sites that set up side by side on the connector base, be equipped with 2 draw-in grooves that the symmetry set up in every hole site, signal transmission contact or a plurality of contact of ground of consulting insert 2 draw-in grooves through interference fit mode in fixed, the length of contact of ground of consulting is greater than the length of signal transmission contact.
2. A ruggedized high speed backplane connector receptacle of claim 1, wherein the connector base is formed from a dielectric material.
3. A reinforced high speed backplane connector receptacle of claim 1, wherein said signal transmission contacts comprise a first pair of spring pins and a first flat connection portion integrally formed, said first flat connection portion comprising a first tab and a first fish-eye structure;
the ground reference contact comprises a second double-bullet needle and a second flat connecting part which are integrally formed, wherein the second flat connecting part comprises a second sheet body and a second fisheye structure;
and the first double-elastic needle and the second double-elastic needle as well as the first flat connecting part and the second flat connecting part are the same in shape and size, but the length of the second fisheye structure is greater than that of the first fisheye structure.
4. A reinforced high speed backplane connector receptacle of claim 1, wherein after said signal transmission contacts are secured to said connector housing slots, a distance L1 between a lowest point of said first fisheye structure and a lowest surface of said connector housing slots is no greater than a thickness D of a printed circuit board to which said connector housing is attached;
after the reference ground contact is fixed with the clamping groove of the connector base, the distance L2 between the lowest point of the fisheye hole of the second fisheye structure and the lowest surface of the clamping groove of the connector base is not less than the thickness D of the printed circuit board connected with the connector base.
5. The connector receptacle of claim 1, wherein the 2 locking slots are inclined surfaces inclined inward from bottom to top, and a receiving space is formed between the 2 locking slots.
6. A reinforced high speed backplane connector receptacle according to claim 3, wherein a pair of first protrusions are symmetrically disposed on both sides of an upper end of the first sheet-like body of the first flat connecting portion, and a pair of second protrusions are symmetrically disposed on both sides of a lower end of the first sheet-like body of the first flat connecting portion, wherein the first protrusions have an arc-shaped configuration, and the second protrusions have a square configuration.
7. The connector socket of claim 3, wherein a pair of symmetrically arranged third protrusions are formed on both sides of the upper end of the second sheet-like body of the second flat connecting portion, and a pair of symmetrically arranged fourth protrusions are formed on both sides of the lower end of the second sheet-like body of the second flat connecting portion, wherein the third protrusions have an arc-shaped structure, and the fourth protrusions have a square-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495256.6A CN112768973A (en) | 2020-12-17 | 2020-12-17 | Reinforced high-speed backplane connector socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011495256.6A CN112768973A (en) | 2020-12-17 | 2020-12-17 | Reinforced high-speed backplane connector socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112768973A true CN112768973A (en) | 2021-05-07 |
Family
ID=75695014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011495256.6A Pending CN112768973A (en) | 2020-12-17 | 2020-12-17 | Reinforced high-speed backplane connector socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112768973A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226449A1 (en) * | 2022-05-23 | 2023-11-30 | 中兴通讯股份有限公司 | Structural member of measurement connector and pcb |
-
2020
- 2020-12-17 CN CN202011495256.6A patent/CN112768973A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226449A1 (en) * | 2022-05-23 | 2023-11-30 | 中兴通讯股份有限公司 | Structural member of measurement connector and pcb |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101836336B (en) | Board mounted electrical connector | |
| US7731537B2 (en) | Impedance control in connector mounting areas | |
| US8215994B2 (en) | Card edge connector having less resonance | |
| CN101395768B (en) | Broadside-to-edge-coupling connector system | |
| US7867031B2 (en) | Connector with serpentine ground structure | |
| CN1182630C (en) | Electrical connector including housing that holds parallel circuit boards | |
| US6808420B2 (en) | High speed electrical connector | |
| US8851926B2 (en) | Low-cross-talk electrical connector | |
| US7811100B2 (en) | Electrical connector system having a continuous ground at the mating interface thereof | |
| EP0959535B1 (en) | High-speed edge connector | |
| US11289833B2 (en) | Electrical connector and connector assembly | |
| US20110070753A1 (en) | Electrical connector module with contacts of a differential pair held in separate chicklets | |
| US11621525B2 (en) | Terminal assembly and electrical connector | |
| CN109546388B (en) | Backboard connector | |
| CN109861035A (en) | High speed connector | |
| CN206947652U (en) | High speed connector and its transport module | |
| CN112768973A (en) | Reinforced high-speed backplane connector socket | |
| CN209029559U (en) | High speed connector component, socket connector and its female terminal | |
| CN110350351B (en) | Electric connector and transmission sheet thereof | |
| CN214099961U (en) | Reinforced high-speed backplane connector socket | |
| CN204538363U (en) | Electric connector | |
| CN205921122U (en) | High speed connector subassembly, socket connector and socket terminal thereof | |
| CN113314895A (en) | High-speed backplane connector and connector system | |
| CN216121050U (en) | Electrical connector | |
| JPH05159831A (en) | High density connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |