CN201084381Y

CN201084381Y - A video display connection port with protection circuit

Info

Publication number: CN201084381Y
Application number: CNU2007201253328U
Authority: CN
Inventors: 庄忆芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-02
Filing date: 2007-08-02
Publication date: 2008-07-09
Anticipated expiration: 2017-08-02

Abstract

The utility model relates to an image display connection port with a protection circuit, comprising a bearing seat, a first set of terminals, a circuit board, a second set of terminals, a bottom plate and a casing, which is characterized in that: an enclosed wall is arranged on the front end of the bearing seat; a bearing sheet is arranged on the enclosed wall with outward extension; a plurality of perforations are provided on the socket of the bearing sheet and the enclosed wall; the first set of terminals through the perforations is configured on the bearing sheet; the circuit board is configured in the bearing seat; wherein at least a protection component is electrically connected with the first set of terminals; the circuit board is electrically connected with the second set of terminals; the bottom plate is also fitted to the bottom of the bearing seat; a hollow body is provided in the casing; a splicing port is provided on the front end of the hollow body; and the casing is fitted to the external of the bearing seat, so as to enable the bearing sheet of the bearing seat to be arranged in the splicing port. The utility model has the advantages that: the entering of high current or surge signal is isolated by the protection component when the image display connection port is entered with high current or surge signal, so as to prevent certain electronic part of the circuit board from being damaged.

Description

Image with holding circuit shows the connectivity port

Technical field

The utility model relates to a kind of connectivity port, and the image of particularly a kind of high speed, high-resolution image quality shows the connectivity port.

Background technology

Video electronic devices standard formulation association (VESA) formal approval digitized video transmission interface of new generation (DisplayPort), the support that adds HDCP (High-bandwidth Digital ContentProtection) can be satisfied the demand that high resolving power laser disks such as BD and HD DVD are play.

Image shows that the connectivity port is the digitized video transmission interface of new generation that VESA formulates at products such as PC and digital household appliances, can replace PC image transmission interfaces such as existing Low Voltage Differential Signal (LVDS), DVI and VGA, and high-frequency wideband digitized video (with the audio) transfer function that provides inside/outside to connect.

Image shows the external connector small-sized easy to plug of connectivity port use approximate test USB joint dimension; adopt 8B/10B coding, embedded frequency signal and little package framework; can reduce electromagnetic interference (EMI); and provide the highest 10.8Gbps than the higher transmission bandwidth of existing DVI interface; directly and the flexible image transmission configuration of tool, also support functions such as digital audio transmission, two-way auxiliary data transmission and encrypt digital content protection simultaneously.

In encrypt digital content protection part; it is the DPCP specification that adopts alone; meet the demand that blue light laser high-resolution laser dishes such as BD or HD DVD are play, allow and adopt image to show that the equipment of connectivity port can possess the audio-visual output function of digital high-resolution of BD or HD DVD broadcast.

Though, this image shows that the connectivity port has above-mentioned functions, but when image shows that the video-audio signal transmission is carried out by transmission line and outside AV device in the connectivity port, when the undesired running of outside AV device, be struck by lightning or during improper plug terminal, big electric current that it produced or surge signal will show that the connectivity port transfers to this image by image and show on the circuit board of connectivity port electrical ties that big electric current that this moment produced or surge signal (spark) easily cause some assembly on the main circuit board to damage.

Summary of the invention

Fundamental purpose of the present utility model; for solving the defective that traditional image shows the connectivity port; the utility model is set up holding circuit in image demonstration inside, connectivity port; described holding circuit externally AV device has undesired running, is struck by lightning or during improper plug terminal; the big electric current or the surge signal that are produced are isolated; avoid being input into the circuit board that shows the connectivity port electrical ties with this image, and cause some electronic component of this circuit board to damage.

To achieve the above object, the image with holding circuit of the present utility model shows the connectivity port, comprising: load bearing seat, the first terminal group, circuit board, second terminal group, base plate and shell; Wherein, this load bearing seat has the body that front end is provided with enclosing wall on it, and this enclosing wall is outward extended with carrying tablet and chassis, and the above and below of described carrying tablet all is provided with a plurality of grooves, this groove and the enclosing wall place of accepting are provided with a plurality of perforation, and this perforation communicates with the body interior accommodation space.The first terminal group is made up of a plurality of pin, pin and back pin before pin comprises, and described preceding pin passes the perforation back and fixedly is plugged in the groove.A foregoing circuit plate protection of electrical ties assembly at least on it; the effect of this protection assembly is to avoid instantaneous large-current or surge signal to be input into electronic installation inside; foregoing circuit plate one end is provided with a plurality of perforation; back pin passes this perforation and circuit board electrical ties, and the other end of circuit board has a plurality of electrode pins.This second terminal group is made up of a plurality of pin, pin and back pin before described pin comprises, the electrode pin electrical ties of preceding pin and circuit board.This base plate is provided with the dish portion of load bearing seat bottom, and this dish portion one end is bent with stopper, and this stopper is connected to the open-back place of this load bearing seat, and in addition, this dish portion and stopper junction are provided with perforation, and above-mentioned perforation passes the space for the back pin of second terminal group provides.Above-mentioned shell has hollow body, this hollow body front end has interface, the edge of opening of this interface undertakes a plurality of arc block plates, respectively be provided with catch at described hollow body rear side and lateral end, this catch is when load bearing seat is connected to body interior, can prevent that load bearing seat from getting loose, this body side bottom is extended with group of pins, and this pin provides electrical ties or affixed for the main circuit board of body and electronic installation.

The utility model is set up holding circuit in image demonstration inside, connectivity port, and described holding circuit is isolated big electric current or surge signal that external device (ED) produced, avoids its input to cause some electronic component of circuit board to damage.

Description of drawings

Fig. 1 is that image of the present utility model shows connectivity port stereoscopic synoptic diagram;

Fig. 2 is that image of the present utility model shows the connectivity port decomposing schematic representation;

Fig. 3 is the decomposing schematic representation that image of the present utility model shows another angle of connectivity port;

Fig. 4 is that image of the present utility model shows connectivity port combination cross-sectional schematic; And,

Fig. 5 is that image of the present utility model shows connectivity port user mode synoptic diagram.

The primary clustering symbol description

Load bearing seat 1 body 11

Enclosing wall 12 perforation 121

Carrying tablet 13 grooves 131

Chassis 14 accommodation spaces 15

Gap 16 projections 17

The first terminal group 2 pins 21

Preceding pin 211 back pins 212

Circuit board 3 protection assemblies 31

The 32 electrode pins 33 of boring a hole

Second terminal group, 4 pins 41

Preceding pin 411 back pins 412

Base plate 5 dish portions 51

Stopper 52 perforation 53

Shell 61 hollow bodies 61

Interface 62 arc block plates 621

Catch 63,64 pins 65

Circuit board 7 images show transmission line 8

Plug 81

Embodiment

Technology contents of the present utility model and describing in detail with the following explanation of conjunction with figs.:

Referring to figs. 1 to Fig. 3, they are that image of the present utility model shows connectivity port stereoscopic, decomposition and another angle decomposing schematic representation.As shown in the figure: the image with holding circuit of the present utility model shows the connectivity port, comprising: load bearing seat 1, the first terminal group 2, circuit board 3, second terminal group 4, base plate 5 and shell 6; Wherein, load bearing seat 1, made with the insulation material, have front end on it and be provided with the body 11 of enclosing wall 12, enclosing wall 12 is outward extended with carrying tablet 13 and chassis 14, the surface of carrying tablet 13 and bottom surface are provided with a plurality of grooves 131, and groove 131 is provided with a plurality of perforation 121 with enclosing wall 12 places of accepting, perforation 121 communicates with body 11 inner accommodation spaces 15, after passing perforation 121, can peg graft and be fixed in the groove 131 by pin 212 from accommodation space 15 for the preceding pin 212 that is used to provide the first terminal group 2; In addition, be provided with gap 16 between enclosing wall 12 and chassis 14, insert for the bottom end of shell 6 in gap 16; Projection 17 is accepted at 14 back sides, chassis, and projection 17 helps connector to be fixed on the circuit board (not shown).

The first terminal group 2, be made up of a plurality of the pins 21 that are the L font, have preceding pin 211 on the pin 21, these preceding pin 211 rear ends are extended with the back pin 212 that bending is 90 degree, after pin 212 passed perforation 121 before being somebody's turn to do, pin 211 fixedly was plugged in the groove 131 before making.

Circuit board 3, the protection assembly 31 of one of electrical ties protection IC at least on it, the effect of protection assembly 31 is to avoid instantaneous large-current or surge signal to be input into electronic installation (not shown) inside, and the electronic package on the main circuit board of this electronic installation is burnt out; In addition, circuit board 3 one ends are provided with a plurality of perforation 32, and this perforation 32 is passed for the back pin 212 of pin 21, make back pin 212 be electrical ties with circuit board 3; Circuit board 3 other ends have a plurality of electrode pins 33, electrode pin 33 and second terminal group, 4 electrical ties.

Second terminal group 4 is made up of a plurality of stepped pin 41, the preceding pin 411 of pin 41 and electrode pin 33 electrical ties of circuit board 3, then pin 412 and the external circuit board (not shown) electrical ties.

Base plate 5, with the made L shaped body of insulation material, which is provided with the dish portion 51 of group load bearing seat 1 bottom, these dish portion 51 1 ends have bending stopper 52, this stopper 52 is connected to the open-back place of load bearing seat 1, be provided with perforation 53 in dish portion 51 with stopper 52 junctions, the back pin 412 of 53 second terminal group 4 of boring a hole provides and passes the space.

Shell 6 is made hollow body 61 by metal material, and these body 61 front ends have interface 62, and interface 62 provides the binding port (not shown) of transmission line to peg graft, and the edge of opening of interface 62 is accepted a plurality of arc block plates 621; In addition, hollow body 61 rear sides and lateral end respectively are provided with

catch

63,64, when this

catch

63,64 is connected to body 61 inside at load bearing seat 1, can prevent that load bearing seat 1 from getting loose; And, extending a group of pins 65 in body 61 side bottom, this pin 65 is used for the main circuit board electrical ties of body 61 and electronic installation (not shown) or affixed.

Fig. 4 is that image of the present utility model shows connectivity port combination cross-sectional schematic.As shown in the figure: image shows that the connectivity port is when winding, after the preceding pin 211 of the first terminal group 2 passes projection 17, pin 211 is plugged in the groove 131 of carrying tablet 13 before making, the back pin 212 of pin 21 passes the perforation 32 and circuit board 3 electrical ties of circuit board 3, preceding pin 411 electrical ties of the circuit board 3 top electrode pins 33 and second terminal group 4, again in the bottom of load bearing seat 1 winding insulating base 4, the back pin 412 of second terminal group 4 passes the perforation 53 of insulating base 5, and the stopper 52 of insulating base 5 is positioned at the opening part of the rear side of this load bearing seat 1.

After load bearing seat 1, the first terminal group 2, circuit board 3, second terminal group 4 and insulating base 5 assemblings are finished, recombinant is in these shell 6 inside, the carrying tablet 13 of this load bearing seat 1 front end is extended in the interface 62, and interface 62 bottom end are inserted in the gap 16, after catch 53,54 bendings with shell 6 rear sides and side, load bearing seat 1 can be assembled in shell 6 inside again.

Fig. 5 is that image of the present utility model shows connectivity port user mode synoptic diagram.As shown in the figure: image of the present utility model shows that the connectivity port is when utilization, the back pin 412 and circuit board 7 electrical ties of second terminal group 4 of image demonstration outside, connectivity port will be extended, image shows that the plug 81 of transmission line 8 is by interface 62 grafting then, when electrically contacting with the first terminal group 2, video-audio signal can be transferred on the circuit board 3, second terminal group 4 by circuit board 3 transfers to circuit board 7 with video-audio signal again, and the video-audio signal that is about to external device (ED) transfers to circuit board 7 processing of device.

When outside AV device has undesired running or is struck by lightning; big electric current that is produced or surge signal are transferred on the circuit board 3 by the first terminal group 2; it is open-circuit condition that protection assembly 31 on the circuit board 3 makes circuit; avoiding big electric current or surge signal to transfer on the circuit board 7 of this device, and cause circuit board 7 to damage.

The above is a preferred embodiment of the present utility model only, is not so promptly limits claim of the present invention, and every other equivalence of being done in the utility model characteristic range changes or modifies, and all should be included in the claim of the present utility model.

Claims

1. the image with holding circuit shows the connectivity port, it is characterized in that, comprising:

Load bearing seat, has body on it, this body front end is provided with enclosing wall, described enclosing wall stretches out and has carrying tablet and chassis, the surface of described carrying tablet and bottom surface are provided with a plurality of grooves, and groove and the enclosing wall place of accepting offer a plurality of perforation, and described perforation is provided with accommodation space with body interior and communicates;

The first terminal group passes through perforation by described accommodation space and to be disposed in the described groove;

Circuit board is disposed in the described accommodation space, and is electrically connected with described the first terminal group, and this circuit board is electrically connected with a protection assembly at least;

Second terminal group is electrically connected with described circuit board;

Base plate is connected to described load bearing seat bottom; And

Shell, it has hollow body, and described hollow body front end is provided with interface, and described shell is connected to described load bearing seat outside, makes the carrying tablet of described load bearing seat be arranged in described interface.

2. the image with holding circuit as claimed in claim 1 shows the connectivity port, it is characterized in that, is provided with the gap between described enclosing wall and the described chassis.

3. the image with holding circuit as claimed in claim 1 shows the connectivity port, it is characterized in that the back side, described chassis undertakes projection.

4. the image with holding circuit as claimed in claim 1 shows the connectivity port; it is characterized in that; the pin of described the first terminal group is the L font; described the first terminal group is made up of a plurality of pin; comprise the preceding pin in the groove that is disposed at carrying tablet on the described pin, and the back pin that extend the pin rear end before described.

5. the image with holding circuit as claimed in claim 1 shows the connectivity port; it is characterized in that; described circuit board one end has the perforation that the back pin for the pin of the first terminal group penetrates; the zone of preceding pin electrical ties that has the pin of a plurality of and second terminal group on the other end of described circuit board; described second terminal group is made up of a plurality of stepped pins; pin and back pin before described pin is provided with, the electrode pin electrical ties of described preceding pin and circuit board.

6. the image with holding circuit as claimed in claim 1 shows the connectivity port, it is characterized in that, described protection assembly is protection IC.

7. the image with holding circuit as claimed in claim 1 shows the connectivity port; it is characterized in that; described base plate is made L shaped body by the insulation material; described base plate is connected to the dish portion of load bearing seat bottom; described dish portion one end has the bending stopper, and described stopper group is at the open-back place of described load bearing seat, in addition; described dish portion and stopper junction offer perforation, and described perforation provides the space that passes for the back pin of second terminal group.

8. the image with holding circuit as claimed in claim 1 shows the connectivity port; it is characterized in that; described shell is a metal material; the edge of opening of the interface of described shell undertakes a plurality of arc block plates; when described shell was connected to described load bearing seat outside, described interface bottom end was inserted in the gap of described load bearing seat.

9. the image with holding circuit as claimed in claim 1 shows the connectivity port, it is characterized in that described hollow body rear side and lateral end respectively are provided with catch, and described body side bottom is extended with a group of pins.