CN202043376U

CN202043376U - Circuit board

Info

Publication number: CN202043376U
Application number: CN2011200783766U
Authority: CN
Inventors: 王志孟; 张焯锋
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd
Priority date: 2011-03-23
Filing date: 2011-03-23
Publication date: 2011-11-16
Anticipated expiration: 2021-03-23

Abstract

The utility model discloses a circuit board. A plurality of positioning holes are arranged on the circuit board, and comprise positioning holes H1-H10, wherein the positioning hole H1 is taken as an original point (0,0), a horizontal line is taken as an X-axis, a vertical line is taken as a Y-axis, the metering unit is mm, and the positions of centers of the circles of the positioning holes H2-H10 are H2 (-2.8, -4.1), H3 (-5, -3), H4 (-2.5, 132), H5 (2.5, 135), H6 (-79,153), H7 (-170.5, 84), H8 (-170.5, 7), H9 (-93.5, 8.5) and H10 (-88.5, 11.5). In the circuit board disclosed by the utility model, the positioning holes with accurate positions are designed to matched with a corresponding outer shell, the installation position is scientifically designed, and can be matched with display screens with Samsung, Diguang and other brands, the practicability is good, the assembly and disassembly are convenient, interfaces with different functions can be adjusted according to the service requirements of users, the circuit board with different functions can be realized, the application range of the circuit board can be greatly expanded, and the manufacture cost can be saved.

Description

A kind of circuit board

Technical field

The utility model relates to electronic applications, relates in particular to a kind of circuit board that is used for display.

Background technology

Traditional circuit board does not adopt the location hole design of exact position for the shell of coupling, position design is science not, do not meet the requirement of present versatility large scale LED screen display, practicality, versatility are poor, be not easy to client's installation and removal, and the interface number is few, and the integrated circuit board function is low.

The utility model content

The utility model purpose provides a kind of circuit board, adopts the location hole design of exact position, is convenient to installation and removal.

A kind of circuit board that the utility model provides is provided with a plurality of location holes above, comprises location hole H1～H10, with the H1 center of circle is initial point (0,0), and horizontal line is an X-axis, vertical line is a Y-axis, and unit of measurement is mm, and the position in described location hole H2～H10 center of circle is respectively: H2 (2.8,-4.1), H3 (5 ,-3), H4 (2.5,132), H5 (2.5,135), H6 (79,153), H7 (170.5,84), H8 (170.5,7), H9 (93.5,8.5), H10 (88.5,11.5), the site error in described location hole H1～H10 center of circle is ± 2mm.

Further, the length of described circuit board is 180mm, and width is 169mm, and scale error is ± 2mm; Location hole diameter on the described circuit board is 3.5mm, and scale error is ± 2mm.Certain described circuit board can be " L " type.

As first kind of improved procedure, also be provided with three HDMI input interfaces on the described circuit board, a SCART interface, a computer VGA input interface, the audio input interface of a computer VGA, composite video one input interface, one first group audio frequency R channel input interface, one first group audio frequency L channel input interface, a color difference components input interface, two+the second groups of audio input interfaces of a composite video, a TV RF input interface, a headset output interface, a coaxial output interface, a multimedia input interface.

Also be provided with main control chip on the described circuit board, TV RF module, analog audio-video commutation circuit, HDMI high definition data processing circuit, power amplifier module circuit and power-supply system.Described like this circuit board is the circuit board that can be used for television set or display screen.

As second kind of improved procedure, also be provided with three HDMI input interfaces on the described circuit board, a color difference components-Y input interface, a color difference components-PB/CB input interface, a color difference components-PR/CR input interface, a computer VGA input interface, the audio input interface of a computer VGA, composite video one input interface, one first group audio frequency R channel input interface, one first group audio frequency L channel input interface, a color difference components input interface, two+the second groups of audio input interfaces of a composite video, a TV RF input interface, a headset output interface, a coaxial output interface, a multimedia input interface.

Circuit board of the present utility model adopts the location hole design of exact position, the shell that coupling is corresponding, and the position design science can be joined the display screen of brands such as Samsung, Supreme Being's light, and versatility, practicality are good, are convenient to client's installation and removal.And this mainboard adopts, and " " type designs L, has significantly reduced the cost of PCB.While can be adjusted the interface of difference in functionality according to client's user demand, and the installation number of interface, realizes the circuit board of difference in functionality, has expanded the range of application of integrated circuit board greatly, has saved cost of manufacture.

Description of drawings

Fig. 1 is the circuit board Facad structure schematic diagram that the utility model embodiment one provides.

Fig. 2 is the interface structure schematic diagram that circuit board that the utility model embodiment one provides is looked up.

Fig. 3 is the interface structure schematic diagram that the circuit board right side that the utility model embodiment one provides is looked.

Fig. 4 is that the circuit board that the utility model embodiment one provides is looked up and the right interface Chinese tabulation of looking.

Fig. 5 is the circuit board Facad structure schematic diagram that the utility model embodiment two provides.

Fig. 6 is the interface structure schematic diagram that circuit board that the utility model embodiment two provides is looked up.

Fig. 7 is the interface structure schematic diagram that the circuit board right side that the utility model embodiment two provides is looked.

Fig. 8 is that the circuit board that the utility model embodiment two provides is looked up and the right interface Chinese tabulation of looking.

Embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.

As Fig. 1,2, shown in 3, the circuit board that the utility model embodiment one provides is provided with a plurality of location holes above, comprising location hole H1～H10, is initial point (0,0) with the H1 center of circle, horizontal line is an X-axis, and vertical line is a Y-axis, and unit of measurement is mm, the position in described location hole H2～H10 center of circle is respectively: H2 (2.8 ,-4.1), and H3 (5,-3), H4 (2.5,132), H5 (2.5,135), H6 (79,153), H7 (170.5,84), H8 (170.5,7), H9 (93.5,8.5), H10 (88.5,11.5), the site error in described location hole H1～H10 center of circle is ± 2mm.

Described circuit board be " L " and type, its right length L be 180mm, base width H is 169mm, scale error is ± 2mm; Location hole diameter on the described circuit board is 3.5mm, and scale error is ± 2mm.

Also be provided with three HDMI input interfaces on the described circuit board, a SCART interface, a computer VGA input interface, the audio input interface of a computer VGA, composite video one input interface, one first group audio frequency R channel input interface, one first group audio frequency L channel input interface, a color difference components input interface, two+the second groups of audio input interfaces of a composite video, a TV RF input interface, a headset output interface, a coaxial output interface, a multimedia input interface.Among the embodiment one among each interface name and Fig. 2,3 tabulation of sequence number correspondence specifically see Fig. 4.

As Fig. 5,6, shown in 7, the circuit board that the utility model embodiment two provides is provided with a plurality of location holes above, comprising location hole H1～H10, is initial point (0,0) with the H1 center of circle, horizontal line is an X-axis, and vertical line is a Y-axis, and unit of measurement is mm, the position in described location hole H2～H10 center of circle is respectively: H2 (2.8 ,-4.1), and H3 (5,-3), H4 (2.5,132), H5 (2.5,135), H6 (79,153), H7 (170.5,84), H8 (170.5,7), H9 (93.5,8.5), H10 (88.5,11.5), the site error in described location hole H1～H10 center of circle is ± 2mm.

Embodiment two is to have changed the SCART interface with the difference of embodiment one, concrete, also be provided with three HDMI input interfaces on the described circuit board, a color difference components-Y input interface, a color difference components-PB/CB input interface, a color difference components-PR/CR input interface, a computer VGA input interface, the audio input interface of a computer VGA, composite video one input interface, one first group audio frequency R channel input interface, one first group audio frequency L channel input interface, a color difference components input interface, two+the second groups of audio input interfaces of a composite video, a TV RF input interface, a headset output interface, a coaxial output interface, a multimedia input interface.Among the embodiment two among each interface name and Fig. 6,7 tabulation of sequence number correspondence specifically see Fig. 8.

Also be provided with main control chip on the described circuit board, TV RF module, analog audio-video commutation circuit, HDMI high definition data processing circuit, power amplifier module circuit and power-supply system.Described like this circuit board is the circuit board that can be used for television set or display screen.Described like this circuit board is the circuit board that can be used for television set or display screen.

The above is a preferred implementation of the present utility model; certainly can not limit the interest field of the utility model with this; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvement and change, these improvement and change also are considered as protection range of the present utility model.

Claims

1. a circuit board is characterized in that, is provided with a plurality of location holes above, comprising location hole H1～H10, is initial point (0,0) with the H1 center of circle, horizontal line is an X-axis, and vertical line is a Y-axis, and unit of measurement is mm, the position in described location hole H2～H10 center of circle is respectively: H2 (2.8 ,-4.1), and H3 (5,-3), H4 (2.5,132), H5 (2.5,135), H6 (79,153), H7 (170.5,84), H8 (170.5,7), H9 (93.5,8.5), H10 (88.5,11.5), the site error in described location hole H1～H10 center of circle is ± 2mm.

2. according to the described circuit board of claim 1, it is characterized in that the length of described circuit board is 180mm, width is 169mm, and scale error is ± 2mm; Location hole diameter on the described circuit board is 3.5mm, and scale error is ± 2mm.

3. according to claim 1 or 2 described circuit boards, it is characterized in that described circuit board is " L " a type.

4. according to claim 1 or 2 described circuit boards, it is characterized in that, also be provided with three HDMI input interfaces on the described circuit board, a SCART interface, a computer VGA input interface, the audio input interface of a computer VGA, composite video one input interface, one first group audio frequency R channel input interface, one first group audio frequency L channel input interface, a color difference components input interface, two+the second groups of audio input interfaces of a composite video, a TV RF input interface, a headset output interface, a coaxial output interface, a multimedia input interface.

5. according to the described circuit board of claim 4, it is characterized in that, also be provided with main control chip on the described circuit board, TV RF module, analog audio-video commutation circuit, HDMI high definition data processing circuit, power amplifier module circuit and power-supply system.

6. according to claim 1 or 2 described circuit boards, it is characterized in that, also be provided with three HDMI input interfaces on the described circuit board, a color difference components-Y input interface, a color difference components-PB/CB input interface, a color difference components-PR/CR input interface, a computer VGA input interface, the audio input interface of a computer VGA, composite video one input interface, one first group audio frequency R channel input interface, one first group audio frequency L channel input interface, a color difference components input interface, two+the second groups of audio input interfaces of a composite video, a TV RF input interface, a headset output interface, a coaxial output interface, a multimedia input interface.

7. according to the described circuit board of claim 6, it is characterized in that, also be provided with main control chip on the described circuit board, TV RF module, analog audio-video commutation circuit, HDMI high definition data processing circuit, power amplifier module circuit and power-supply system.