CN202172469U

CN202172469U - A card connector suitable for a surface mount type CA module and a digital television terminal

Info

Publication number: CN202172469U
Application number: CN2011201688453U
Authority: CN
Inventors: 郭俊锋
Original assignee: Shenzhen Coship Electronics Co Ltd
Current assignee: Shenzhen Coship Electronics Co Ltd
Priority date: 2011-05-25
Filing date: 2011-05-25
Publication date: 2012-03-21
Anticipated expiration: 2021-05-25

Abstract

The utility model discloses a card connector suitable for a surface mount type CA module and a digital television terminal. The card connector comprises a holding cavity disposed in a housing of the digital television terminal and a card door connected with the holding cavity, wherein the holding cavity is provided with a chip contact window. When the surface mount type CA module is disposed inside the housing of the digital television terminal, metal contact sheets of the surface mount type CA module extend toward the inside of the holding cavity after passing through the chip contact window. The card connector is suitable for the surface mount type CA module, is convenient and simple to assemble and guarantees favorable contact between a card and the module.

Description

A kind of deck and digital TV terminal that is applicable to SMD CA module

Technical field

The utility model relates to the digital TV terminal technical field, particularly a kind of deck and digital TV terminal that is applicable to SMD CA module.

Background technology

Mostly the CA of existing digital TV terminal (Conditional Access, condition receives) module is enclosed construction, and its deck generally is installed on the face-piece.Be illustrated in figure 1 as the deck sketch map of common closed CA module, Fig. 2 is installed in the sketch map on the face-piece for the deck among Fig. 1.Shown deck comprises circuit platelet 15 and closed CA module 14 fixed thereon, and face-piece comprises the fixedly position of bone 16 that is used for fixing circuit platelet 15 and the guide frame 17 that is used to guide the CA card to insert closed CA module 14.During installation, circuit platelet 15 is inserted into fixedly in the position of bone 16.

Along with DVB (Digital Video Broadcasting; DVB) market competition more and more fierce; The outward appearance of product, structure, function are all perfect progressively; A kind of SMD CA module has appearred on the market, this SMD CA module with respect to closed CA module have that volume is little, light, exquisite appearance, advantage that price is low.As shown in Figure 3 is the assembling sketch map of SMD CA module.Shown SMD CA module is installed in PCB (Printed Circuit Board; Printed circuit board) back side of circuit board; Be connected through pin 13 master chip positive on the one hand, divide with the chip section of CA card through the metal contact 12 that exposes on the other hand to contact with being positioned at the PCB circuit board.Obviously, traditional deck can not be applicable to SMD CA module.

The utility model content

The utility model technical problem to be solved is: the deck that is directed against prior art can not be applicable to and a kind of digital TV terminal that is applicable to the deck of SMD CA module and has this deck is provided the defective of SMD CA module.

For the technical problem the utility model that solves the utility model discloses a kind of deck that is applicable to SMD CA module; Said deck is included in containing cavity of opening on the digital TV terminal housing and the toll bar that is connected containing cavity; Said containing cavity is provided with the chip contact window; When said SMD CA module was positioned at digital TV terminal housing inboard, the metal contact of said SMD CA module saw through said chip contact window and stretches out to the containing cavity inboard.

Further, said toll bar is connected through buckle with said containing cavity, and said toll bar is provided with the buckle convexity, and said containing cavity is provided with the buckle groove.

Further, said toll bar is connected through rotating shaft with said containing cavity.

Further, the open side of said toll bar is provided with the snap lock button, and the open side of said containing cavity is provided with buttonhole, and when toll bar was closed, said snap lock button and said buttonhole fastened each other.

Further, be provided with fixedly rib in the said containing cavity.

Further, said toll bar is provided with elastomeric element towards the one side of containing cavity.

Further, said elastomeric element is shell fragment or spring.

Further, saidly specifically comprise: the containing cavity of on digital TV terminal drain pan or top shell or front face housing, opening at the containing cavity of opening on the digital TV terminal housing.

Further, said containing cavity and said housing are one-body molded.

For solving the technical problem of the utility model, the utility model also discloses a kind of digital TV terminal with above-mentioned deck, and this digital TV terminal comprises above-mentioned deck.

Compared with prior art, the utlity model has following beneficial effect: be applicable to SMD CA module, easy to assembly succinct, contact performance is good between card and the module.

Description of drawings

Fig. 1 is the deck sketch map of common closed CA module;

Fig. 2 is that the deck among Fig. 1 is installed in the sketch map on the face-piece;

Fig. 3 is the assembling sketch map of SMD CA module;

Fig. 4 is the sketch map of the rotary shaft deck that provides of the utility model;

Fig. 5 is the sketch map of the buckle-type deck that provides of the utility model;

Fig. 6 is provided with the fixedly sketch map of the buckle-type deck of rib in the containing cavity that provides of the utility model;

Fig. 7 is the sketch map of the toll bar of band elastomeric element in the buckle-type deck that provides of the utility model;

Fig. 8 is the sketch map that the CA card is placed into buckle-type deck shown in Figure 6.

Embodiment

To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

Embodiment one

The utility model provides a kind of rotary shaft deck that is applicable to SMD CA module, and is as shown in Figure 4, on the drain pan of digital TV terminal, has a containing cavity 2, and a side of containing cavity 2 connects a toll bar 1 through rotating shaft 6.Concrete; Be provided with chip contact window 3 in the containing cavity 2; The size coupling of the metal contact 12 of the size of this chip contact window 3 and SMD CA module; The degree of depth is less than the height of metal contact 12, and when SMD CA module was positioned at digital TV terminal housing inboard, its metal contact 12 saw through said chip contact window and stretches out to the containing cavity inboard.

The opening and closing of toll bar 1 for ease, the open side of toll bar 1 is provided with snap lock button 5, and the open side of containing cavity 2 is provided with buttonhole 4.When opening toll bar 1, touch snap lock button 5 and separate fully with buttonhole 4, draw snap lock button 5 rotation toll bars 1 to open on again until snap lock button 5; When closing toll bar 1, gently press the open side of toll bar 1 that toll bar 1 is drawn close to containing cavity 2, simultaneously snap lock button 5 is drawn close to buttonhole 4, and final sinking in the buttonhole 4 in fully fastens with it each other, and toll bar 1 is closed.

Embodiment two

Present embodiment provides a kind of buckle-type deck that is applicable to SMD CA module, and is as shown in Figure 5.Compare with rotary shaft deck shown in Figure 4, the two there are differences on the connected mode of toll bar 1 and containing cavity 2, adopts rotating shaft to connect among Fig. 4; Present embodiment adopts buckle to connect; Wherein, the connection side of toll bar 1 is provided with buckle convexity 7, and the connection side of containing cavity 2 is provided with buckle groove 8.When opening toll bar 1, touch snap lock button 5 and separate fully with buttonhole 4 until snap lock button 5, the snap lock of pulling back again button 5 is extracted buckle protruding 7 from buckle groove 8, and toll bar 1 is separated from each other with containing cavity 2 and is opening; When closing toll bar 1, earlier protruding 7 alignings of buckle are inserted in the buckle groove 8, gently press the open side of toll bar 1 again, snap lock button 5 and buttonhole 4 are fastened each other, toll bar 1 is closed.

Be difficult in the containing cavity walking about for CA is stuck in, fixedly rib can be set in containing cavity,, compare, set up a fixing rib 9 in the containing cavity 2 of Fig. 6 with Fig. 5 referring to Fig. 6, this fixedly rib 9 be the rubber band or the rope of band elastic force.When the CA card was placed on containing cavity 2, fixedly rib 9, tentatively was fixed on the CA card in the containing cavity 2 around to opposite side and be close to the surface of CA card from CA card one side.

In addition; In order to make the CA card contact more closely with SMD CA module; Can also elastomeric element be set on toll bar, referring to Fig. 7, shown toll bar is provided with an elastomeric element 10 towards the one side of containing cavity; This elastomeric element 10 is made up of shell fragment or spring, and the pressure effect through elastomeric element 10 can make the CA card contact more tight with the metal contact of SMD CA module.

Should be appreciated that the fixedly rib 9 among Fig. 6 all belongs to increased functionality type parts with elastomeric element 10 among Fig. 7, irrelevant with the structure of deck, in like manner can be applied in the deck of rotary shaft deck or other style, at this description of drawings one by one not.

Containing cavity shown in the aforesaid embodiment all is arranged on the drain pan, and in the actual application, the position of containing cavity can be arranged on drain pan, top shell or the front face housing of digital TV terminal as required, and the housing at containing cavity and its place is one-body molded.The position of containing cavity is corresponding with the installation site of SMD CA module, the size coupling of the size of containing cavity and CA card, and the thickness that the degree of depth of containing cavity and CA card and toll bar stack is suitable.

Step 1: touch snap lock button 5, snap lock button 5 is pulled out from buttonhole 4, the snap lock of pulling back again button 5 is extracted buckle protruding 7 from buckle groove 8, open toll bar 1;

Step 2: the one side that CA card 11 is had chip is towards containing cavity 2, and makes its chip part corresponding with the chip contact window 3 of containing cavity 2;

Step 3: draw back fixedly rib 9 gently CA card 11 is put in the containing cavity 2;

Step 4: unclamp fixedly rib 9, CA card 11 tentatively is fixed in the containing cavity 2;

Step 5: earlier protruding 7 alignings of buckle are inserted in the buckle groove 8, gently press the open side of toll bar 1 again, snap lock button 5 and buttonhole 4 are fastened each other, toll bar 1 is closed.

Pressure between toll bar 1 and the CA card 11 can make CA card 11 well contact with the metal contact 12 of SMD CA module, and is tightr in order to make contact simultaneously, and an elastomeric element can be installed on toll bar 1.

The utility model also provides a kind of digital TV terminal with above-mentioned deck; Wherein, Digital TV terminal includes but not limited to: and STB, network protocol television (Internet Protocol Television, IPTV), digital TV integrated machine etc. has the terminal of digital television function.

More than lift preferred embodiment; Purpose, technical scheme and advantage to the utility model have been carried out further explain, it should be understood that the above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model; The interest field that the utility model is advocated should be as the criterion so that the utility model application scope is said, but not only limits to the foregoing description.

Claims

1. deck that is applicable to SMD CA module; It is characterized in that; Said deck is included in containing cavity of opening on the digital TV terminal housing and the toll bar that is connected containing cavity; Said containing cavity is provided with the chip contact window, and when said SMD CA module was positioned at digital TV terminal housing inboard, the metal contact of said SMD CA module saw through said chip contact window and stretches out to the containing cavity inboard.

2. deck according to claim 1 is characterized in that, said toll bar is connected through buckle with said containing cavity, and said toll bar is provided with the buckle convexity, and said containing cavity is provided with the buckle groove.

3. deck according to claim 1 is characterized in that, said toll bar is connected through rotating shaft with said containing cavity.

4. according to each described deck of claim 1 to 3, it is characterized in that the open side of said toll bar is provided with the snap lock button, the open side of said containing cavity is provided with buttonhole, and when toll bar was closed, said snap lock button and said buttonhole fastened each other.

5. deck according to claim 1 is characterized in that, is provided with fixedly rib in the said containing cavity.

6. deck according to claim 1 is characterized in that said toll bar is provided with elastomeric element towards the one side of containing cavity.

7. deck according to claim 6 is characterized in that, said elastomeric element is shell fragment or spring.

8. deck according to claim 1 is characterized in that, saidly specifically comprises at the containing cavity of opening on the digital TV terminal housing: the containing cavity of on digital TV terminal drain pan or top shell or front face housing, opening.

9. deck according to claim 1 is characterized in that, said containing cavity and said housing are one-body molded.

10. a digital TV terminal is characterized in that, said terminal comprises like each described deck of claim 1 to 9.