CN110856399A - Circuit board integration cage based on USB bus - Google Patents
Circuit board integration cage based on USB bus Download PDFInfo
- Publication number
- CN110856399A CN110856399A CN201911045228.1A CN201911045228A CN110856399A CN 110856399 A CN110856399 A CN 110856399A CN 201911045228 A CN201911045228 A CN 201911045228A CN 110856399 A CN110856399 A CN 110856399A
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- Prior art keywords
- board
- box body
- body part
- circuit board
- usb bus
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
- H05K7/1407—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by turn-bolt or screw member
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1438—Back panels or connecting means therefor; Terminals; Coding means to avoid wrong insertion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0049—Casings being metallic containers
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention discloses a circuit board integration cage frame based on a USB bus, which consists of a box body part, a board inserting part and a back board part, wherein the box body part is in a square cylinder shape, the front and the back of the box body part are respectively filled with the board inserting part and the back board part, the left and the right inner walls of the box body part are provided with front and back guide grooves for inserting boards, the front end of each board is a board front connector as a signal acquisition input end, and the back end of each board is a board back connector as a signal output end; the main body of the board inserting part is composed of a front panel, and the center of the front panel is provided with a hole so that a front connector of the board card extends out; the main body of the back board part is a back board, a back board connector which is oppositely inserted with the board card rear connector is arranged on the back board positioned in the box body part, and the back board connector is integrated in a USB bus form and is collected to a USB bus interface. The cage can adapt to a complex electromagnetic environment, dust is not easy to accumulate, the number of connecting cables is reduced, the maintenance is easy, and the size of the cage and the number of boards which can be placed can be flexibly adjusted.
Description
Technical Field
The invention belongs to the technical field of missile-borne electronic equipment, and particularly relates to a circuit board integration cage based on a USB bus.
Background
With the development of missile weapon systems, the types and the number of the functions of missile-borne electronic equipment will be more and more, the layout of the missile-borne electronic equipment will be more and more complex, and the integrated design of the missile-borne electronic equipment is an effective design idea in order to make the missile have small size and light weight as much as possible. Correspondingly, because missile-borne electronic equipment is the form that is mostly the integrated circuit board, for this reason, people have developed the integrated cage of circuit board.
The existing circuit board integration cage frame is mostly in an open type, the three-proofing performance is poor, a lot of dust is gathered on the circuit board due to long-term work, the failure rate of the circuit board is high, and the electromagnetic compatibility is poor. In addition, the traditional circuit board has more external plug connectors, is complicated in wiring, dense and hemp, is not beneficial to inspection and maintenance, and the integrated cage frame of the traditional circuit board is usually prefabricated and formed, and the later stage is difficult to adjust.
Patent application No. cn201510614756.x discloses a multi-circuit board cage type mounting structure. The technical scheme disclosed by the invention is that a functional circuit board is arranged in a mounting groove of a support framework in a laminated mode, the functional circuit board (namely a board card) is connected with a motherboard through a connector, the functional circuit board is also provided with a locking sleeve, a screw rod of the locking sleeve is screwed, movable blocks on the locking sleeve are mutually extruded through an inclined plane by the locking sleeve, and finally two movable blocks on the locking sleeve move upwards along the inclined plane until the movable blocks push against the support framework, so that the functional circuit board can be fastened on the support framework, and if the functional circuit board needs to be dismounted, the screw rod only needs to be unscrewed. The problem that this scheme mainly solved is in fact to lay the functional circuit board in concentrated, realizes fastening and dismantling of functional circuit board through the lock sleeve in addition. In fact, the cage still has an open structure, dust is easy to accumulate, the anti-interference capability is poor, the problem of complex wiring is not solved, the size of the cage at the later stage is difficult to adjust, and the situation that the board is difficult to fix can occur when the size of the board is adjusted in an iterative manner.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a circuit board integration cage based on a USB bus.
A circuit board integration cage based on a USB bus is composed of a box body part, a plug board part and a back board part;
the box body part is formed by connecting the edges of 4 plates together in a pairwise manner, the whole box body part is in a square cylinder shape, the front and the back of the box body part are respectively filled by the inserting plate part and the back plate part, the inserting plate part and the back plate part are combined together to form a closed structure, and the outer wall of the box body part is provided with a screw hole; the inner walls of the left side and the right side of the box body part are provided with front and back guide grooves for inserting the board cards, the front ends of the board cards are board card front connectors serving as signal acquisition input ends, and the rear ends of the board cards are board card rear connectors serving as signal output ends;
the main body of the board inserting part is composed of front panels, the front panels are rectangular, the center of each front panel is provided with a hole, and the front connector of the board card extends out of the front panel from the hole in the center of the front panel;
the main body of the back plate part is a back plate, the back plate is in threaded connection with the box body part through a screw hole in the outer wall of the box body part, the back surface of the box body part is filled with the back plate, one surface of the back plate, which is located on the inner side of the box body part, is provided with a back plate connector which is oppositely inserted with the board card rear connector in each position corresponding to the front panel, and is connected and integrated together in a USB bus form, and the back plate connector is converged to a USB bus interface which is located on the outer side of.
Further, the both sides of front panel are equipped with the bolt of coming loose, and through the bolt of coming loose, with integrated circuit board and front panel fixed connection.
Furthermore, a partition board is arranged in the box body part in the vertical direction, the partition board is fixed in the box body part through a screw hole of the box body part, one end of the partition board is connected with the inserting board part, and the other end of the partition board is connected with the back board part.
Furthermore, the left and right surfaces of the partition board of the box body part are provided with guide grooves which are equal in height with the guide grooves on the box body part.
Furthermore, a board card without a signal processing function is also provided, and correspondingly, a front connector extends out of the box body part from the center of the corresponding front panel, and the front panel is fixedly connected with the board card without the signal processing function through a loose screw.
Furthermore, the box body part, the front panel and the back panel are made of metal materials. The metal box body part, the front panel and the back panel are mainly used for playing a role in resisting electromagnetic interference, and aluminum alloy and the like can be used as manufacturing materials of the box body part, the front panel and the back panel.
Because the iteration speed of the board card is high, when the standard of the board card is changed, the size of the board card can be changed, and the board card can be flexibly screwed with the screw hole of the box body part through the arrangement of the partition plate so as to adapt to the size adjustment of the board card. In addition, when the number of the guide grooves in the integrated cage is larger than that of the board cards, the board cards without the signal processing function can be inserted into the guide grooves, the front panel connected with the front panel can form a sealing surface together with other front panels, the interior of the box body is isolated from the outside, and when the number of the guide grooves in the integrated cage is smaller than that of the board cards needing to be integrated, the size of 4 boards of the box body part can be adjusted by adding the partition plates, so that the number of the integrated board cards is increased.
Compared with the prior art, the invention has the following beneficial effects: the circuit board integration cage based on the USB bus adopts a metal closed form, can adapt to a complex electromagnetic environment, and meanwhile, can prevent dust from being easily accumulated on a board card; the USB bus structure is used, so that the number of connecting cables is reduced, the equipment is arranged simply and neatly, and the heat dissipation and the inspection and maintenance of the equipment are facilitated; the cage size can be adjusted according to the board card size to product iteration, size adjustment can appear in the board card, can adjust the cage in a flexible way according to the demand extension of plate card quantity in the cage.
Drawings
FIG. 1: the internal schematic diagram of the board card after installation;
FIG. 2: the invention is a schematic diagram of a box body part and an inserting plate part;
FIG. 3: the box part and the back plate part of the invention are illustrated schematically;
FIG. 4: the internal structure of the cage frame is designed;
FIG. 5: the invention is a schematic diagram of a plug board and a board card;
FIG. 6: the back plate portion of the present invention is shown from the inside.
In the figure: 1. the USB interface box comprises a box body part, a plug board part 2, a back board part 3, a guide groove 4, a board card rear connector 5, a board card 6, a front panel 7, a release screw 8, a board card front connector 9, a back board 10, a back board 11, a back board connector 12 and a USB bus interface.
Detailed Description
The present invention will be further explained with reference to specific examples. The following examples are only for explaining the present invention, and the purpose of substituting data is to more specifically explain the present invention, but not to limit the present invention, and the technical solutions obtained by simple substitution and superposition based on the present invention should fall into the protection scope of the present invention.
Example 1
As shown in fig. 1-6, a circuit board integration cage based on a USB bus is composed of a box part 1, a plug board part 2 and a back board part 3;
the box body part 1 is of a frame-type symmetrical structure and is integrally in a square barrel shape, edges of 4 plates are connected together in a threaded mode in pairs, the front and the back of the box body part are filled by the inserting plate part 2 and the back plate part 3, a closed structure is formed by combining the inserting plate part and the back plate part together, and screw holes are formed in the outer wall of the box body part 1; a partition board is arranged in the box body part 1 in the vertical direction, the partition board is fixed in the box body part 1 through a screw hole of the box body part 1, one end of the partition board is connected with the inserting plate part 2, the other end of the partition board is connected with the back plate part 3, front and back guide grooves 4 with equal height are arranged on the left and right inner walls of the box body part 1 and the left and right surfaces of the partition board and used for inserting a board card 6, a board card front connector 9 is arranged at the front end of the board card 6 and used as a signal acquisition input end, and a board card rear connector 5 is;
the main body of the board inserting part 2 is a front panel 7, a hole is formed in the center of the front panel 7, so that a board card front connector 9 extends out of the front panel 7, release screws 8 are further arranged on two sides of the front panel 7, and the board card 6 is fixedly connected with the front panel 7 through the release screws 8;
the main body of the back plate part 3 is a back plate 10, the back plate 10 is in threaded connection with the box body part 1 through a screw hole in the outer wall of the box body part 1 and is filled in the back of the box body part 1, one surface of the back plate 10, which is positioned on the inner side of the box body part 1, is provided with a back plate connector 11 oppositely inserted with the board card rear connector 5 at each position corresponding to the front plate 7, and the back plate connectors are connected and integrated together in a USB bus form and are converged to a USB bus interface 12.
By using the USB bus structure, the number of connecting cables is reduced, so that the equipment is simple and tidy in arrangement, and the heat dissipation and the inspection and maintenance of the equipment are facilitated; can expand cage interpolation board quantity according to the demand, can adjust the cage size according to 6 sizes of integrated circuit board, thereby can appear product iteration at integrated circuit board 6, when the size adjustment, can adjust the cage in a flexible way, after having changed bigger integrated circuit board 6, can be earlier with the board of box part 1 from top to bottom according to the size adjustment of integrated circuit board 6 for bigger board, the position of baffle is adjusted again afterwards, make integrated circuit board 6 can insert guide slot 4, can accomplish the adjustment of cage, when 4 quantity of guide slot in the integrated cage are greater than 6 quantity of integrated circuit board, can insert the integrated circuit board 6 that does not possess the signal processing function in the guide slot 4, make the front panel 7 that links to each other with it can constitute sealed face jointly with other front panel 7, with the box inside isolated with external.
In addition, the box body part 1, the front panel 7 and the back panel 10 are made of aluminum alloy materials, so that the integrated cage frame has certain electromagnetic shielding performance.
The details of the present invention are not described in the prior art.
Claims (6)
1. The utility model provides a circuit board integration cage based on USB bus which characterized in that: the box body part (1), the inserting plate part (2) and the back plate part (3) form a whole;
the box body part (1) is formed by connecting the edges of 4 plates in a pairwise manner, the whole box body part is in a square cylinder shape, the front and the back of the box body part are respectively filled by the inserting plate part (2) and the back plate part (3), a closed structure is jointly formed, and screw holes are formed in the outer wall of the box body part (1); the inner walls of the left side and the right side of the box body part (1) are provided with front and back guide grooves (4) for inserting the board card (6), the front end of the board card (6) is a board card front connector (9) serving as a signal acquisition input end, and the rear end of the board card (6) is a board card rear connector (5) serving as a signal output end;
the main body of the board inserting part (2) is composed of front panels (7), the front panels (7) are rectangular, the center of each front panel (7) is provided with a hole, and a board card front connector (9) extends out of the front panel (7) from the hole in the center of the front panel (7);
the main body of the back plate part (3) is a back plate (10), the back plate (10) is in threaded connection with the box body part (1) through a screw hole in the outer wall of the box body part (1) and is filled behind the box body part (1), one surface, located on the inner side of the box body part (1), of the back plate (10), a back plate connector (11) oppositely inserted with the board card rear connector (5) is arranged on each position corresponding to the front panel (7), and the back plate connectors are connected and integrated together in a USB bus mode and are gathered to a USB bus interface (12) which is located on the outer side of the back plate (10) and protrudes outwards.
2. The circuit board integration cage based on the USB bus as claimed in claim 1, wherein: the both sides of front panel (7) are equipped with the pine and do not take off screw (8), do not take off screw (8) through the pine, with integrated circuit board (6) and front panel (7) fixed connection.
3. The circuit board integration cage based on the USB bus as claimed in claim 1, wherein: the inside vertical direction of box part (1) is equipped with the baffle, and the baffle passes through the screw of box part (1) to be fixed in the inside of box part (1), and one end is connected with picture peg part (2), and the other end is connected with back plate part (3).
4. A USB bus based circuit board integration cage according to claim 3, wherein: the left and right surfaces of the clapboard of the box body part (1) are provided with guide grooves (4) which have the same height with the guide grooves (4) on the box body part (1).
5. A USB bus based circuit board integration cage according to claim 2, wherein: the integrated circuit board is also provided with a board card (6) without a signal processing function, correspondingly, a front connector extends out of the box body part (1) from the center of the corresponding front panel (7), and the front panel (7) is fixedly connected with the board card (6) without the signal processing function through a release screw (8).
6. The circuit board integration cage based on the USB bus as claimed in claim 1, wherein: the box body part (1), the front panel (7) and the back panel (10) are made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045228.1A CN110856399A (en) | 2019-10-30 | 2019-10-30 | Circuit board integration cage based on USB bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911045228.1A CN110856399A (en) | 2019-10-30 | 2019-10-30 | Circuit board integration cage based on USB bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110856399A true CN110856399A (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911045228.1A Pending CN110856399A (en) | 2019-10-30 | 2019-10-30 | Circuit board integration cage based on USB bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110856399A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205880777U (en) * | 2016-06-13 | 2017-01-11 | 安徽四创电子股份有限公司 | Expanded processing apparatus |
| CN208000527U (en) * | 2017-11-29 | 2018-10-23 | 安徽四创电子股份有限公司 | A kind of multifunctional information processing unit |
| US20190254189A1 (en) * | 2018-02-12 | 2019-08-15 | Hongfujin Precision Electronics (Tianjin) Co.,Ltd. | Mounting apparatus for expansion cards, casing, and electronic device using the same |
-
2019
- 2019-10-30 CN CN201911045228.1A patent/CN110856399A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205880777U (en) * | 2016-06-13 | 2017-01-11 | 安徽四创电子股份有限公司 | Expanded processing apparatus |
| CN208000527U (en) * | 2017-11-29 | 2018-10-23 | 安徽四创电子股份有限公司 | A kind of multifunctional information processing unit |
| US20190254189A1 (en) * | 2018-02-12 | 2019-08-15 | Hongfujin Precision Electronics (Tianjin) Co.,Ltd. | Mounting apparatus for expansion cards, casing, and electronic device using the same |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Congxia Inventor after: Shi Yunan Inventor after: Sun Jutao Inventor after: Dong Chunxia Inventor after: Zhang Tingting Inventor after: Huang Yongji Inventor after: Zhao Yunfei Inventor after: Jiao Haiwen Inventor before: Wang Hui Inventor before: Niu Leilei Inventor before: Dai Hong Inventor before: Wang Yuhao Inventor before: Dong Sanjun Inventor before: Yao Changhong |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200228 |
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| RJ01 | Rejection of invention patent application after publication |