CN202050586U - Circuit board - Google Patents

Abstract

The utility model discloses a circuit board which is a printed circuit board provided with at least three rectangle or square HDMIs (High-Definition Multimedia Interface); a plurality of locating holes are arranged on the upper surface of the printed circuit board, wherein two locating holes are respectively H1 and H2; moreover added locating holes also comprise H3 and H4. As the circuit board is provided with at the least three HDMIs and adopts the locating holes with uniformed sizes and specifications as well as fixing positions, the demands of a plurality of appliances can be matched and satisfied, and a plurality of data is convenient to transmit; as one side of the printed circuit board is provided with a plurality of functional interfaces, the demands of the plurality of appliances can be satisfied; for example, the circuit board can be used as a television board card or a touch liquid crystal display board card.

Description

A kind of circuit board

Technical field

The utility model relates to electronic applications, relates in particular to a kind of circuit board.

Background technology

The location hole number of traditional circuit-board is few, can cause installing insecure.And existing circuit board only has 1 to 2 HDMI interface, and it is used to satisfy the mass data transmission requirements.Need at present a kind of uniform specification, have the circuit board of a plurality of location holes and HDMI interface to satisfy the demand of multiple electrical equipment.

The utility model content

The utility model purpose provides a kind of circuit board, has at least 3 HDMI interfaces, also is provided with the convenient installation of location hole.

A kind of circuit board that the utility model provides is rectangle or the foursquare printed circuit board with at least three HDMI interfaces, is provided with a plurality of location holes above the described printed circuit board, and wherein two location holes are respectively H1, H2.

Further, the location hole that described printed circuit board is provided with above also comprises H3, H4, and described location hole H1, H2, H3, H4 is rectangular arranges.

Further, be initial point with the location hole H1 center of circle of described printed circuit board, horizontal line is an X-axis, vertical line is a Y-axis, unit of measurement is mm, and the position in described location hole H2, H3, the H4 center of circle is respectively: H2 (173.5 ± 1,0 ± 1), and H3 (173.5 ± 1,40 ± 1), H4 (0 ± 1,40 ± 1).

Further, as a kind of execution mode, described printed circuit board length is 270 ± 1mm, and width is 83 ± 1mm.With described printed circuit board lower-left drift angle is initial point, and the base is an X-axis, and the limit, left side is a Y-axis, and unit of measurement is mm, and the position in described location hole H1, H2, H3, the H4 center of circle is respectively:

H1(41±1，20±1)，H2(214.5±1，20±1)，H3(214.5±1，60±1)，

H4(41±1，60±1)。

Further, the diameter of described location hole H1, H2, H3, H4 is all the same, is 3.3 ± 1mm.

As a kind of improved procedure, described printed circuit board one side is provided with a plurality of interfaces, under arrange interface from left to right, be followed successively by USB interface, TV RF signals input interface, computer VGA input interface, the corresponding audio input interface of computer VGA, the composite video input interface, first group of audio frequency R channel input interface, first group of audio frequency L channel input interface, the linear output of audio frequency R channel interface, the linear output of audio frequency L channel interface, a HDMI interface, the 2nd HDMI interface, the 3rd HDMI interface, the 4th HDMI interface, coaxial output interface, headset output interface;

Last row's interface is followed successively by color difference components-Y-signal interface from left to right, color difference components-Pb/Cb signaling interface, color difference components-Pr/Cr signaling interface, second group of audio frequency R channel input interface, second group of audio frequency L channel input interface.

As a kind of improved procedure, also be provided with television reception circuit, master chip, analog audio-video commutation circuit, HDMI commutation circuit, power amplifier and power-supply system on the described printed circuit board.It is the circuit board that can be used for television set or display screen.

Adopting circuit board of the present utility model, is rectangle or the foursquare printed circuit board with at least three HDMI interfaces, also is provided with the convenient installation of location hole on the circuit board.This circuit board adopts the unified size specification and the location hole of fixed position, further, described printed circuit board one side is provided with a plurality of functional interfaces, can mate the demand that satisfies multiple electrical equipment, can be used as television set integrated circuit board or touch LCD display integrated circuit board such as this circuit board.This circuit board has at least three HDMI interfaces, and it is used to satisfy the mass data transmission requirements.

Description of drawings

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

Fig. 2 is the circuit board side structural representation that the utility model embodiment one provides;

Fig. 3 is the circuit board side structural representation that the utility model embodiment two provides.

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.

A kind of circuit board that the utility model provides is rectangle or the foursquare printed circuit board with at least three HDMI interfaces, is provided with a plurality of location holes above the described printed circuit board, and wherein two location holes are respectively H1, H2.

As a kind of execution mode, can increase location hole according to firm use needs are installed, the location hole that described printed circuit board is provided with above also comprises H3, H4, described location hole H1, H2, H3, H4 is rectangular arranges.

No matter how the overall dimension size of described printed circuit board changes, the relative position between described four location hole H1, H2, H3, the H4 remains unchanged.The location hole H1 center of circle with described printed circuit board is an initial point, and 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, H3, the H4 center of circle is respectively: H2 (173.5 ± 1,0 ± 1), and H3 (173.5 ± 1,40 ± 1), H4 (0 ± 1,40 ± 1).

Need to prove that the circuit board that the utility model will be protected also can have three HDMI interfaces or more HDMI interfaces, also can have five or six location holes certainly.

As shown in Figure 1, the utility model embodiment one provides a kind of circuit board, is the rectangle printed circuit board 100 with four HDMI interfaces 10,11,12,13, and described printed circuit board length is 270mm, and width is 83mm.Described printed circuit board length is 270 ± 1mm, and width is 83 ± 1mm.Drift angle A is an initial point with described printed circuit board lower-left, the base is an X-axis, and the limit, left side is a Y-axis, and unit of measurement is mm, the position in described location hole H1, H2, H3, the H4 center of circle is respectively: H1 (41 ± 1,20 ± 1), H2 (214.5 ± 1,20 ± 1), H3 (214.5 ± 1,60 ± 1), H4 (41 ± 1,60 ± 1).The diameter of described location hole H1, H2, H3, H4 is all the same, is 3.3 ± 1mm.

As shown in Figure 2, described printed circuit board one side also is provided with a plurality of interfaces, arrange interface from left to right down among Fig. 2, be followed successively by usb 1, TV RF signals input interface 2, computer VGA input interface 3, the corresponding audio input interface 4 of computer VGA, 6, the first groups of audio frequency L channels of 5, the first groups of audio frequency R channels of composite video input interface input interface input interface 7, the linear output of audio frequency R channel interface 8, the linear output of audio frequency L channel interface 9, the one HDMI interfaces 10, the two HDMI interfaces 11, the 3rd HDMI interface 12, the 4th HDMI interface 13, coaxial output interface 14, headset output interface 15;

Last row's interface is followed successively by color difference components-Y-signal interface 16 from left to right, color difference components-Pb/Cb signaling interface 17, color difference components-19, the second groups of audio frequency L channels of 18, the second groups of audio frequency R channels of Pr/Cr signaling interface input interface input interface 20.

As a kind of improved procedure, also can be provided with television reception circuit, master chip, analog audio-video commutation circuit, HDMI commutation circuit, power amplifier and power-supply system on the described printed circuit board.It is the circuit board that can be used for television set or display screen.

As shown in Figure 3, the circuit board that the utility model embodiment two provides is with the difference of embodiment one, and coaxial output (COAX OUT) interface 14 is replaced to optic fibre connector 14 ".

The circuit board that the utility model embodiment three provides is only have three HDMI interfaces with the difference of embodiment one, and coaxial output (COAX OUT) interface is replaced to optic fibre connector.

Circuit board of the present utility model has at least three HDMI interfaces, and adopts the unified size specification and the location hole of fixed position, can mate the demand that satisfies multiple electrical equipment, can be used for television set integrated circuit board and touch LCD display integrated circuit board such as this circuit board.This circuit board has at least three HDMI interfaces, and it is used to satisfy the mass data transmission requirements.

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 (8)

1. a circuit board is characterized in that, is rectangle or the foursquare printed circuit board with at least three HDMI interfaces, is provided with a plurality of location holes above the described printed circuit board, and wherein two location holes are respectively H1, H2.

2. according to the described circuit board of claim 1, it is characterized in that the location hole that described printed circuit board is provided with above also comprises H3, H4, described location hole H1, H2, H3, H4 is rectangular arranges.

3. according to the described circuit board of claim 2, it is characterized in that, be initial point with the location hole H1 center of circle of described printed circuit board, and horizontal line is an X-axis, vertical line is a Y-axis, unit of measurement is mm, and the position in described location hole H2, H3, the H4 center of circle is respectively: H2 (173.5 ± 1,0 ± 1), H3 (173.5 ± 1,40 ± 1), H4 (0 ± 1,40 ± 1).

4. according to the described circuit board of claim 3, it is characterized in that described printed circuit board length is 270 ± 1mm, width is 83 ± 1mm.

5. according to the described circuit board of claim 4, it is characterized in that, is initial point with described printed circuit board lower-left drift angle, the base is an X-axis, and the limit, left side is a Y-axis, and unit of measurement is mm, the position in described location hole H1, H2, H3, the H4 center of circle is respectively: H1 (41 ± 1,20 ± 1), H2 (214.5 ± 1,20 ± 1), H3 (214.5 ± 1,60 ± 1), H4 (41 ± 1,60 ± 1).

6. according to claim 2 or 3 described circuit boards, it is characterized in that the diameter of described location hole H1, H2, H3, H4 is all the same, is 3.3 ± 1mm.

7. according to each described circuit board of claim 1 to 4, it is characterized in that, described printed circuit board one side is provided with a plurality of interfaces, and following row's interface is followed successively by USB interface from left to right, the TV RF signals input interface, computer VGA input interface, the corresponding audio input interface of computer VGA, composite video input interface, first group of audio frequency R channel input interface, first group of audio frequency L channel input interface, the linear output of audio frequency R channel interface, the linear output of audio frequency L channel interface, the one HDMI interface, the 2nd HDMI interface, the 3rd HDMI interface, the 4th HDMI interface, coaxial output interface, headset output interface;

Last row's interface is followed successively by color difference components-Y-signal interface from left to right, color difference components-Pb/Cb signaling interface, color difference components-Pr/Cr signaling interface, second group of audio frequency R channel input interface, second group of audio frequency L channel input interface.

8. according to the described circuit board of claim 7, it is characterized in that, also be provided with television reception circuit, master chip, analog audio-video commutation circuit, HDMI commutation circuit, power amplifier and power-supply system on the described printed circuit board.

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