CN201435514Y - Interface expansion board - Google Patents
Interface expansion board Download PDFInfo
- Publication number
- CN201435514Y CN201435514Y CN2009201333603U CN200920133360U CN201435514Y CN 201435514 Y CN201435514 Y CN 201435514Y CN 2009201333603 U CN2009201333603 U CN 2009201333603U CN 200920133360 U CN200920133360 U CN 200920133360U CN 201435514 Y CN201435514 Y CN 201435514Y
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- CN
- China
- Prior art keywords
- expansion board
- interface
- expansion
- interfaces
- printed circuit
- 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.)
- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 239000004568 cement Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses an interface expansion board, which is used for expanding interfaces of main boards. The expansion board is equipped with an expansion board main interface and at least twoexpansion interfaces, the expansion board main interface is engaged with an interface of a main board, and the expansion board main interface is connected with the two expansion interfaces through aprinted circuit arranged on the expansion board. The expansion board is equipped with the expansion board main interface matching with the interface of the main board, and the expansion board main interface is connected with the expansion interfaces through the printed circuit arranged on the expansion board. Because the expansion board main interface is connected with the expansion interfaces through the printed circuit, loose connection or poor contact is not easy to be caused, thereby realizing the purpose of stable and reliable connection. The printed circuit on the expansion board utilizes an EMI design, thereby being capable of increasing signal anti-interference performance and reducing signal transmission attenuation during data transmission.
Description
Technical field
The utility model relates to technical field of data transmission, particularly a kind of interface expansion board that is used for transfer of data.
Background technology
Along with technical development of computer, be widely used in each field.The particularly development of industrial computer has greatly made things convenient for people's life.
Industrial computer is provided with a plurality of interfaces on its mainboard at present, connects expansion as required by the user.During existing mainboard interface expansion mainly is to be connected with interface by the plastic cement cable to realize expanding, different with material owing to plastic cement cable length, operational environment, occur easily the data transfer signal anti-interference a little less than, useful life is also shorter.The plastic cement cable is connected to each other complexity simultaneously, safeguards also inconvenient.Simultaneously because the industrial computer work under bad environment, bigger as the operational environment vibration, can influence the stability and the reliability of its work, though it is many-sided influencing the stability of industrial computer work and the reason of reliability, one of them major reason is that the various connections on the computer connect by plain conductor, in its vibration processes, cause easily so loosening, loose contact, thus influence its stability and reliability.
The utility model content
The technical problem that the utility model mainly solves provides a kind of interface expansion board that is used for transfer of data, improves the stability and the reliability of the equipment work that uses described interface expansion board.
In order to address the above problem, the utility model provides a kind of interface expansion board, described interface expansion board is used to expand mainboard interface, wherein, described expansion board is provided with expansion board main interface and at least two expansion interfaces, described expansion board main interface cooperates with described mainboard interface, and described expansion board main interface is connected with at least two expansion interfaces by the printed circuit on the described expansion board.
The utility model interface expansion board, by the expansion board main interface cooperate with described mainboard interface is set on expansion board, and this expansion board main interface is connected with at least two expansion interfaces by the printed circuit on the described expansion board.Compared with prior art,, be not easy to cause to connect loosening or loose contact, thereby realize that it connects reliable and stable purpose because described mainboard interface is connected with described two expansion interfaces by the printed circuit on described expansion board main interface, the expansion board at least.Printed circuit on the described expansion board has all adopted the EMI design when design, therefore when transfer of data, can improve the signal anti-interference, reduces the signal transmission attenuation.Also because the PCB of described expansion board is identical with mainboard structure, so expansion board also can adapt to the operational environment same with mainboard, and useful life is also longer.
Description of drawings
Fig. 1 is the utility model interface expansion board embodiment theory diagram.
Below in conjunction with embodiment, and with reference to accompanying drawing, realization, functional characteristics and the advantage of the utility model purpose is described further.
Embodiment
The utility model interface expansion board embodiment, by the expansion board main interface that cooperates with described mainboard interface is set on expansion board, and this expansion board main interface is connected with at least two expansion interfaces by the printed circuit on the described expansion board, be not easy to cause to connect loosening or loose contact, thereby realize that it connects reliable and stable purpose.Printed circuit on the described expansion board has all adopted the EMI design when design, therefore when transfer of data, can improve the signal anti-interference, reduces the signal transmission attenuation.
As shown in Figure 1, the utility model interface expansion board proposes an embodiment.
Described expansion board 2 is used to expand mainboard 1 interface, and described mainboard 1 is provided with the master controller 11 of control data transmission and is connected with described master controller 11 and according to the mainboard interface 12 of its control transmission data, wherein, described data comprise control command.Described expansion board 2 is provided with the expansion board main interface 13 and four the branch interfaces 22,23,24,25 that are connected with described expansion board main interface 13 by the printed circuit on the described expansion board 2 that cooperates with described mainboard interface 12, promptly first minute interface 22, second fen interface 23, the 3rd fen interface 24 and the 4th fen interface 25. Interface 22,23,24,25 was also referred to as expansion interface in described minute.Described expansion board 2 is also referred to as the interface expansion board.
Specifically, described expansion board 2 is used to expand the functional interface on the mainboard 1, and this functional interface is extended on the described expansion board 2.Data on the described mainboard 1 of described master controller 11 controls are transferred to described expansion board main interface 13 from described mainboard interface 12.Described expansion board main interface 13 is connected respectively with the 4th fen interface 25 by the printed circuit on the expansion board 2 and described first minute interface 22, second fen interface 23, the 3rd fen interface 24, and realization is expanded described mainboard interface 12.
When the user need expand mainboard interface 12, the expansion board main interface 13 of described expansion board 2 is connected with described mainboard interface 12, and described expansion board main interface 13 is connected with the 4th fen interface 25 with described first minute interface 22, second fen interface 23, the 3rd fen interface 24 respectively by the printed circuit on the expansion board 2.12 when not expanding in the user does not need mainboard interface, and described mainboard interface 12 directly is connected with external equipment, realizes transfer of data.When the user needs described expansion board to carry out the interface expansion, the control command of described master controller 11 etc. can be extended to the equipment that is connected with expansion board, realization is controlled described equipment.
Because mainboard interface 12 is connected with the 4th fen interface 25 with described first minute interface 22, second fen interface 23, the 3rd fen interface 24 respectively by the printed circuit on described expansion board main interface 13, the described expansion board 2, be not easy to cause to connect loosening or loose contact, thereby realize that it connects reliable and stable purpose.
Printed circuit on the described expansion board 2 has all adopted the EMI design when design, therefore when transfer of data, can improve anti-interference between the signal, reduces the signal transmission attenuation.Simultaneously because described expansion board 2 is a pcb board, and its structure is identical or close with the structure of described mainboard 1, described expansion board 2 also can adapt to the operational environment same with mainboard 1, thereby makes the useful life of described interface expansion board longer.
In the present embodiment, described expansion board main interface 13, first fen interface 22, second fen interface 23, the 3rd fen interface 24 and the 4th fen interface 25 are serial ports, the interface that can be made as RS232, RS-422 as required or formulate according to other host-host protocols.Also can described as required mainboard 1 with described expansion board 2 between be electrically connected by the male and female joint.Expansion interface quantity on the described expansion board 2 can be provided with as required, as can establish two, three or more, its course of work is same as the previously described embodiments, repeats no more.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (1)
1. the interface expansion board is used to expand mainboard interface, it is characterized in that:
Described expansion board is provided with expansion board main interface and at least two expansion interfaces, and described expansion board main interface cooperates with described mainboard interface, and described expansion board main interface is connected with at least two expansion interfaces by the printed circuit on the described expansion board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201333603U CN201435514Y (en) | 2009-07-02 | 2009-07-02 | Interface expansion board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201333603U CN201435514Y (en) | 2009-07-02 | 2009-07-02 | Interface expansion board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435514Y true CN201435514Y (en) | 2010-03-31 |
Family
ID=42054327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201333603U Expired - Fee Related CN201435514Y (en) | 2009-07-02 | 2009-07-02 | Interface expansion board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435514Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428923A (en) * | 2015-11-17 | 2016-03-23 | 中国计量学院 | Intelligent patch board |
| CN106797370A (en) * | 2014-11-11 | 2017-05-31 | 华为技术有限公司 | The traversal method of a kind of SAS system and SAS system, device |
| CN114510127A (en) * | 2021-12-15 | 2022-05-17 | 北京云迹科技股份有限公司 | Mainboard and robot compatible with HDMI, MIPI and LVDS interfaces |
-
2009
- 2009-07-02 CN CN2009201333603U patent/CN201435514Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797370A (en) * | 2014-11-11 | 2017-05-31 | 华为技术有限公司 | The traversal method of a kind of SAS system and SAS system, device |
| CN106797370B (en) * | 2014-11-11 | 2020-01-10 | 华为技术有限公司 | SAS system and traversal method and device thereof |
| CN105428923A (en) * | 2015-11-17 | 2016-03-23 | 中国计量学院 | Intelligent patch board |
| CN114510127A (en) * | 2021-12-15 | 2022-05-17 | 北京云迹科技股份有限公司 | Mainboard and robot compatible with HDMI, MIPI and LVDS interfaces |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Bentley Tatsu Intelligent Technology Co., Ltd. Pan Yaquan Document name: Notification of Decision on Request for Restoration of Right Addressee: Shenzhen Bentley Tatsu Intelligent Technology Co., Ltd. Pan Yaquan Document name: Notification of Passing Examination on Formalities |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Benpo Intelligent Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Benpo Intelligent Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20130702 |