CN111029869A - Camera link interface connecting wire - Google Patents
Camera link interface connecting wire Download PDFInfo
- Publication number
- CN111029869A CN111029869A CN201911403211.9A CN201911403211A CN111029869A CN 111029869 A CN111029869 A CN 111029869A CN 201911403211 A CN201911403211 A CN 201911403211A CN 111029869 A CN111029869 A CN 111029869A
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- China
- Prior art keywords
- layer
- circuit board
- camera link
- link interface
- flexible circuit
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- 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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The invention provides a Camera link interface connecting wire which comprises a first rigid circuit board, a second rigid circuit board and a flexible circuit board, wherein Camera link connectors are welded on the first rigid circuit board and the second rigid circuit board and used for connecting an industrial Camera and an image acquisition card with a Camera link interface, one end of the flexible circuit board is connected with the first rigid circuit board, and the other end of the flexible circuit board is connected with the second rigid circuit board. The invention solves the problems that the traditional Camera link cable is not easy to bend, has poor flexibility, limited transmission distance, large use space and the like in the use process.
Description
Technical Field
The invention relates to the field of data conversion, in particular to a Camera link interface connecting line.
Background
The Camera link is a standard interface specially established for the digital Camera to transmit image data, video data and Camera control signal data, and is mainly used for connecting an industrial Camera with a high-speed Camera link interface with an image acquisition card. In order to simplify the data connection and realize high-speed, high-precision, flexible and simple connection, a standard connection cable with a Camera link interface is formulated by multiple companies, and the Camera link interface standard connection cable enables the data interface of the digital Camera to adopt fewer lines, so that the connection is easier to manufacture, has universality and is farther than a common transmission mode. The Cameralink standard connection cable simplifies the connection between the computer and the industrial camera.
The traditional Camera link standard connecting cable has the defects that the current load capacity is easily reduced greatly in the using process, the cable is not easy to bend in the using process, the transmission distance is limited, the difficulty in one-by-one inspection is high and the like. And the connecting wires on the market are relatively disordered, and the quality cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a Camera link interface connecting wire which solves the problems that a traditional Camera link cable is not easy to bend, poor in flexibility, limited in transmission distance, large in use space and the like in the use process.
The purpose of the invention is realized by the following technical scheme:
the Camera link interface connecting wire comprises a first rigid circuit board 1, a second rigid circuit board 6 and a flexible circuit board 2, wherein a Camera link connector is welded on the first rigid circuit board 1 and the second rigid circuit board 6 and used for connecting an industrial Camera and an image acquisition card with a Camera link interface, one end of the flexible circuit board 2 is connected with the first rigid circuit board 1, and the other end of the flexible circuit board 2 is connected with the second rigid circuit board 6.
As a more excellent technical scheme of the invention: the Cameralink connector adopts a 26-core HDR plug with a Cameralink standard interface.
As a more excellent technical scheme of the invention: the rigid circuit board is a 6-layer circuit board, the first layer is a TOP layer, the second layer is a blank layer, the third layer is a GND layer, the fourth layer is a signal layer, the fifth layer is a blank layer, and the sixth layer is a BOTTOM layer.
As a more excellent technical scheme of the invention: the flexible circuit board 2 is a 4-layer circuit board, the first layer is a blank layer, the second layer is a GND layer, the third layer is a signal layer, and the fourth layer is a blank layer.
As a more preferable technical scheme of the invention, the flexible circuit board 2 is differential wiring, the line width is 7mil, and the line distance is 6 mil.
As a more excellent technical scheme of the invention: the rigid board circuit board is provided with a pad 3 and a grounding pad 4, and the differential signal line 5 on the flexible board circuit board 2 is connected with the pad 3.
As a more preferable technical solution of the present invention, the signal differential impedance of the flexible circuit board 2 is 100 ohms.
As a more preferable technical solution of the present invention, the third layer of the flexible circuit board 2 is a GND plane layer.
As a better technical scheme of the invention, the first TOP layer and the sixth BOTTOM layer of the rigid circuit board are coated with copper.
As a more excellent technical scheme of the invention: both ends of the upper and lower plate edges of the flexible circuit board 2 are arc-shaped.
As a more excellent technical scheme of the invention: the upper edge and the lower edge of the flexible circuit board 2 are edges which are perpendicular to the flexible circuit board 2 and connected with the rigid circuit board, and the radius of each circular arc is 6.35 mm.
As a better technical scheme of the invention, two circular arcs on one edge of the flexible circuit board 2 are concentric.
The beneficial effects are as follows:
the Camera link interface connecting wire provided by the invention adopts the combination of the rigid circuit board and the flexible circuit board to replace the traditional Camera link cable with poor flexibility and small turning radius, and is used for connecting an industrial Camera with a high-speed Camera link interface and an image acquisition card.
The invention has the advantages of flexibility, small turning radius, small used space, light weight and small volume, for example, in some embodiments, the total length of the Camera link interface connecting wire is 330mm, wherein the length of the middle flexible circuit board is 30cm, the thickness of the middle flexible circuit board is 0.4mm, the length of the rigid circuit board at one end is 15mm, and the thickness of the rigid circuit board is 1.6 mm.
Drawings
Fig. 1 is a schematic structural diagram of a Camera link interface connection line according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the present invention provides a Camera link interface connection line, which includes a first rigid circuit board 1, a second rigid circuit board 6 and a flexible circuit board 2, wherein a Camera link connector is welded on the first rigid circuit board 1 and the second rigid circuit board 6, and is used for connecting an industrial Camera and an image acquisition card with a Camera link interface, one end of the flexible circuit board 2 is connected to the right side of the first rigid circuit board 1, the other end of the flexible circuit board 2 is connected to the left side of the second rigid circuit board 6, and the flexible circuit board 2 mainly functions to perform signal transmission.
In some embodiments, the cameralink connector employs a 26-core HDR plug with a cameralink specification standard interface.
In some embodiments, the rigid circuit board is a 6-layer circuit board, the first layer is a TOP layer, the second layer is a blank layer, the third layer is a GND layer, the fourth layer is a signal layer, the fifth layer is a blank layer, and the sixth layer is a BOTTOM layer, which has a better EMI suppression effect.
In some embodiments, the flexible circuit board 2 is a 4-layer circuit board, the first layer is a blank layer, the second layer is a GND layer, the third layer is a signal layer, and the fourth layer is a blank layer, so that a good reflow path is provided, and impedance is reduced.
In some embodiments, the flexible circuit board 2 is differential wiring with a line width of 7 mils and a line spacing of 6 mils. The signal differential impedance of the flexible circuit board 2 is 100 ohms. The method of differential wiring and the design of equal length are carried out, the impedance matching is 100 ohms, and the integrity of signals is ensured.
In some embodiments, the rigid board circuit board has pads 3 and ground pads 4, and the differential signal lines 5 on the flexible board circuit board 2 are connected to the pads 3.
In some embodiments, the third layer of the flexible circuit board 2 is a GND plane layer, and provides a return path for signal traces.
In some embodiments, the first TOP layer and the sixth BOTTOM layer of the rigid circuit board are copper-clad. The impedance is reduced, and the anti-interference capability is improved.
In some embodiments, the rigid board circuit board has a length of 15mm, a width of 23.9mm, and a thickness of 1.6 mm. The length of the flexible circuit board 2 is 300mm, the width is 15.2mm, and the thickness is 0.4 mm. The connecting wire provided by the invention has the advantages of small space, light weight and small volume.
In some embodiments, both ends of the upper and lower edges of the flexible circuit board 2 are circular arcs, the upper and lower edges of the flexible circuit board 2 are edges perpendicular to the connection between the flexible circuit board 2 and the rigid circuit board, and the radius of each circular arc is 6.35 mm. Two circular arcs on one edge of the flexible circuit board 2 are concentric, so that the flexible circuit board can be prevented from being broken.
In some embodiments, the two upper and lower sides of the flexible circuit board 2 are sides perpendicular to a connection line between the flexible circuit board 2 and the rigid circuit board 1, and the radius of each circular arc is 6.35 mm. The two circular arcs on one edge of the flexible circuit board 2 are concentric.
In some embodiments, the length of the Camera link interface connecting line is 330mm, the width of the rigid circuit board is 23.9mm, and the width of the flexible circuit board 2 is 15.2 mm.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (10)
1. A Camera link interface connecting wire which characterized in that: the Camera link connector is welded on the first rigid circuit board and the second rigid circuit board and used for connecting an industrial Camera with an image acquisition card with a Camera link interface, one end of the flexible circuit board is connected with the first rigid circuit board, and the other end of the flexible circuit board is connected with the second rigid circuit board.
2. A Camera link interface connection as claimed in claim 1, wherein: the Camera link connector adopts a 26-core HDR plug with a Camera link specification standard interface.
3. A Camera link interface connection as claimed in claim 1, wherein: the rigid circuit board is a 6-layer circuit board, the first layer is a TOP layer, the second layer is a blank layer, the third layer is a GND layer, the fourth layer is a signal layer, the fifth layer is a blank layer, and the sixth layer is a BOTTOM layer.
4. A Camera link interface connection as claimed in claim 1, wherein: the flexible circuit board is a 4-layer circuit board, the first layer is a blank layer, the second layer is a GND layer, the third layer is a signal layer, and the fourth layer is a blank layer.
5. A Camera link interface connection as claimed in claim 1, wherein: the flexible circuit board is differential wiring, the line width is 7 mils, and the line distance is 6 mils.
6. A Camera link interface connection as claimed in claim 1, wherein: the rigid board circuit board is provided with a welding pad and a grounding welding pad, and the differential signal line on the flexible board circuit board is connected with the welding pad.
7. A Camera link interface connection as claimed in claim 1, wherein: the signal differential impedance of the flexible circuit is 100 ohms.
8. A Camera link interface connection as claimed in claim 1, wherein: and the third layer of the flexible circuit board is a GND plane layer.
9. A Camera link interface connection as claimed in claim 1, wherein: and the first TOP layer and the sixth BOTTOM layer of the rigid circuit board are coated with copper.
10. A Camera link interface connection as claimed in claim 1, wherein: the two ends of the upper and lower plate edges of the flexible circuit board are both arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911403211.9A CN111029869A (en) | 2019-12-30 | 2019-12-30 | Camera link interface connecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911403211.9A CN111029869A (en) | 2019-12-30 | 2019-12-30 | Camera link interface connecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111029869A true CN111029869A (en) | 2020-04-17 |
Family
ID=70196660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911403211.9A Pending CN111029869A (en) | 2019-12-30 | 2019-12-30 | Camera link interface connecting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111029869A (en) |
-
2019
- 2019-12-30 CN CN201911403211.9A patent/CN111029869A/en active Pending
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