CN203423766U - Digital television terminal - Google Patents
Digital television terminal Download PDFInfo
- Publication number
- CN203423766U CN203423766U CN201320040778.6U CN201320040778U CN203423766U CN 203423766 U CN203423766 U CN 203423766U CN 201320040778 U CN201320040778 U CN 201320040778U CN 203423766 U CN203423766 U CN 203423766U
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- CN
- China
- Prior art keywords
- isolator
- tuner
- digital
- terminal
- housing
- Prior art date
- 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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Abstract
An embodiment of the utility model discloses a digital television terminal, comprising a housing and a tuner disposed on the housing, the interior of the housing is formed to be an accommodating space, the interior of the accommodating space is provided with an isolating circuit, the digital television terminal also comprises an isolator, the isolator is disposed between the housing and the tuner, and is connected with the tuner and the housing, and the tuner is installed on the housing via the isolator, and is isolated from the housing. The digital television terminal can satisfy the safety standard of the digital television, eliminate use of an external isolator, and save the space.
Description
Technical field
The utility model relates to electronic technology field, relates in particular to a kind of digital TV terminal.
Background technology
Along with the technology of digital TV terminal constantly develops; safety standard for digital TV terminal is also constantly carried out; the coaxial terminal of cable network antenna and protective earthing circuit need to meet the requirement of insulation; and the earth terminal of cable network need to be isolated with the earth terminal of digital TV terminal; with this, protect digital TV terminal and relevant device to avoid the shock effect of external energy, for example electric shock.
Nowadays can to digital TV terminal, protect by external isolator; external isolator is isolated by the earth terminal of the earth terminal of cable network and digital TV terminal by high-voltage capacitance; but because external isolator needs more space, hold isolator, affected the attractive in appearance of digital TV terminal.
Utility model content
The utility model embodiment provides a kind of digital TV terminal, can either meet the safety standard of Digital Television, can avoid again using external isolator, saves the space of digital TV terminal.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of digital TV terminal, and it comprises housing and be installed on the tuner on described housing, and the inside of described housing forms an accommodation space, also comprises:
Be located at the isolator in described accommodation space, described isolator, between described housing and described tuner, and is connected with described shell with described tuner respectively; Described tuner is installed on described housing by described isolator, and isolated with described housing;
Be located at the buffer circuit in described accommodation space, described buffer circuit is connected with described tuner.
Implement the utility model embodiment, there is following beneficial effect:
In the utility model, by built-in isolator, the housing of tuner and digital TV terminal is isolated by isolator, other splicing ears maintenance insulation of coaxial terminal and the digital TV terminal of cable network antenna have been met, and the earth terminal of cable network is isolated by the earth terminal of buffer circuit and digital TV terminal, under the prerequisite of the safety standard of full Digital Television, avoid using external isolator, save the required space of digital TV terminal, promoted aesthetics and the market competitiveness of digital TV terminal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of digital TV terminal of providing of the utility model embodiment;
Fig. 2 is the structural representation of the isolator shown in Fig. 1;
Fig. 3 is the structural representation after the tuner shown in Fig. 1 and isolator assemble;
Fig. 4 is the structural representation of the mask frame shown in Fig. 1;
Fig. 5 is a kind of structural representation after the tuner shown in Fig. 1, isolator and mask frame are assembled;
Fig. 6 is the another kind of structural representation after the tuner shown in Fig. 1, isolator and mask frame are assembled.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, for the utility model embodiment provides a kind of structural representation of digital TV terminal.As shown in Figure 1, digital TV terminal 1 of the present utility model comprises: housing 10, isolator 20, tuner 30, mask frame 40 and buffer circuit 50.
Described isolator 20 is between described housing 10 and described tuner 30, described tuner 30 is installed on the housing 10 of described digital TV terminal 1 by described isolator 20, and isolated with described housing 10, the inside of described housing 10 forms an accommodation space, and described isolator 20 and described mask frame 40 are placed in respectively in the accommodation space of described housing 10.
Please also refer to Fig. 2, described isolator 20 comprises a through hole 201, then please also refer to Fig. 3, described tuner 30 runs through the through hole 201 of described isolator 20, is connected with described isolator 20.
Please also refer to Fig. 4, described mask frame 40 is provided with port 401, please more in the lump referring to Fig. 5, can make the tuner 30 that has assembled described isolator 20 be placed in the port 401 of described mask frame 40.
Please also refer to Fig. 6, described isolator 20 is provided with bayonet socket 202, and described mask frame 40 is connected with described isolator 20 by bayonet socket 202.
It should be noted that, described isolator 20 and described mask frame 40 can be all the insulation materials such as plastics.Described tuner 30 runs through the through hole 201 of described isolator 20, and the tuner 30 that has assembled described isolator 20 is placed in the port 401 of described mask frame 40, again the housing of described digital TV terminal 1 10 is closed, described isolator 20 can make described tuner 30 and housing 10 isolated, guaranteed to encapsulate the tuner 30 of cable network antenna and other splicing ears of described digital TV terminal 1 keep insulation.
In the accommodation space of described housing 10, also comprise described buffer circuit 50, described buffer circuit 50 can be packaged in PCB(Printed Circuit Board, printed circuit board) in plate, described buffer circuit 50 comprises signal input part, signal output part, earth terminal and electric capacity, described tuner 30 is connected with the signal input part of described buffer circuit 50, and isolated by electric capacity with the earth terminal of described buffer circuit 50, described tuner 30 is connected with the signal input part of described buffer circuit 50 by the mode of welding, please more in the lump referring to Fig. 6, the leg of described tuner 30 is provided with for welding sufficient breach 301 with described buffer circuit 50.
It should be noted that, the described tuner 30 that has encapsulated cable network antenna flows to the earth terminal of cable network by the signal input part of described buffer circuit 50, and the earth terminal by electric capacity and described buffer circuit 50 is isolated, wherein, the earth terminal of described buffer circuit 50 is the earth terminal of described digital TV terminal 1, has guaranteed that the earth terminal of cable network and the earth terminal of digital TV terminal are isolated by the electric capacity of described buffer circuit 50.
In the utility model embodiment, by built-in isolator, the housing of tuner and digital TV terminal is isolated by isolator, other splicing ears maintenance insulation of coaxial terminal and the digital TV terminal of cable network antenna have been met, and the earth terminal of cable network is isolated by the earth terminal of buffer circuit and digital TV terminal, under the prerequisite of fail safe, saved the required space of digital TV terminal meeting, promoted the attractive in appearance of digital TV terminal, and isolator can form with plastic production, the cost of the operation of saving.
Above disclosed is only the utility model preferred embodiment, certainly can not limit with this interest field of the utility model, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the utility model claim, still belong to the scope that utility model contains.
Claims (8)
1. a digital TV terminal, comprises housing and is installed on the tuner on described housing, and the inside of described housing forms an accommodation space, it is characterized in that, also comprises:
Be located at the isolator in described accommodation space, described isolator, between described housing and described tuner, and is connected with described shell with described tuner respectively; Described tuner is installed on described housing by described isolator, and isolated with described housing;
Be located at the buffer circuit in described accommodation space, described buffer circuit is connected with described tuner.
2. digital TV terminal according to claim 1, is characterized in that, described isolator comprises a through hole, and described tuner runs through the through hole of described isolator, is connected with described isolator.
3. digital TV terminal according to claim 1 and 2, is characterized in that, also comprises:
Mask frame, described mask frame is located in the accommodation space of described enclosure interior, and described mask frame is connected with described isolator.
4. digital TV terminal according to claim 3, is characterized in that, described isolator is provided with bayonet socket, and described mask frame is provided with port;
The described tuner that has assembled isolator is placed in the port of described mask frame, and described isolator is connected with described mask frame by the bayonet socket on described isolator.
5. digital TV terminal according to claim 4, is characterized in that, described isolator and described mask frame are insulation material.
6. digital TV terminal according to claim 1, is characterized in that, described buffer circuit comprises signal input part, signal output part, earth terminal and electric capacity;
Described tuner is connected with described signal input part, and isolated by described electric capacity and described earth terminal.
7. digital TV terminal according to claim 6, is characterized in that, described tuner is connected with the signal input part of described buffer circuit by welding manner.
8. digital TV terminal according to claim 7, is characterized in that, the leg of described tuner is provided with breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320040778.6U CN203423766U (en) | 2013-01-25 | 2013-01-25 | Digital television terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320040778.6U CN203423766U (en) | 2013-01-25 | 2013-01-25 | Digital television terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423766U true CN203423766U (en) | 2014-02-05 |
Family
ID=50022855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320040778.6U Expired - Fee Related CN203423766U (en) | 2013-01-25 | 2013-01-25 | Digital television terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423766U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736155A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel high clutter reduction S frequency range tuners |
-
2013
- 2013-01-25 CN CN201320040778.6U patent/CN203423766U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736155A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel high clutter reduction S frequency range tuners |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |