CN200990640Y - Digital television set-top box - Google Patents
Digital television set-top box Download PDFInfo
- Publication number
- CN200990640Y CN200990640Y CNU2006200165749U CN200620016574U CN200990640Y CN 200990640 Y CN200990640 Y CN 200990640Y CN U2006200165749 U CNU2006200165749 U CN U2006200165749U CN 200620016574 U CN200620016574 U CN 200620016574U CN 200990640 Y CN200990640 Y CN 200990640Y
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- China
- Prior art keywords
- top box
- digital
- relay
- alternating current
- power supply
- 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.)
- Expired - Fee Related
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- 230000005611 electricity Effects 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
The utility model discloses a digital television set-top box which comprises the power source plug of the set top box, a power source switch, the switch power source circuit which outputs the working voltage of the digital set top box. The power source switch is controlled by connecting with the switch power source circuit. The digital television set top box also comprises an alternating current power source output socket which is connected with the control unit which is connected with the direct current voltage output end of the switch power source circuit and with the input end of the switch power source circuit. The utility model is provided with alternating current output power source socket which controls the power source of the digital television set top box and connects or shuts off the alternating power output socket as well as control the television power which is connected with the output socket of the alternating current.
Description
[technical field]
The utility model relates to digital TV set-top box, relates in particular to the digital TV set-top box of controlling TV set power simultaneously.
[background technology]
At present, Digital Television has been opened in a lot of cities, and its method that receives TV is: use the digital TV set-top box receiving digital television signal, outputting video signal and audio signal are finished the reproduction of image and sound to television set by television set.The user at first will open the power supply of set-top box and television set respectively, if set-top box and television set are in holding state, also need they to be transformed into start shape body by corresponding key, then the television signal input is switched to the AV input, and then the channel selection of remote control set-top box, just can watch TV, in other words, see TV, 3 to 5 actions of minimum needs just can achieve the goal.During shutdown, turn off the power supply of television set and the power supply of set-top box respectively.This shows,, also allow operation become complicated though Digital Television has been brought how better highlight, feel to use for most of people very inconvenient, the elderly particularly, memory is bad, does not often remember so complicated operations step.
[utility model content]
Technical problem to be solved in the utility model is, a kind of digital TV set-top box is provided, and solves the problem that existing digital TV set-top box can't be controlled TV set power simultaneously.
The technical scheme that the utility model adopted is: a kind of digital TV set-top box is provided, the switching power circuit that comprises set-top box attaching plug, mains switch, output top box of digital machine operating voltage, described mains switch is connected with described switching power circuit to be controlled, described digital TV set-top box also comprises alternating current power supply output socket, and described alternating current power supply output socket connects with the input of described switching power circuit and the control unit that is connected with the dc voltage output end of described switching power circuit.
More specifically, described control unit is a relay, described relay when when described switching power circuit has electricity, having electric current to pass through, and described relay connects alternating current power supply output socket and attaching plug output.
More specifically, described relay is the single channel control relay, and the coil of described relay is connected with described switching power circuit, and described relay contact is connected with attaching plug output and ac power input end.
More specifically, described digital TV set-top box also comprises the single-pole single-throw(SPST hand switch that is connected in parallel with described relay contact.
More specifically, described relay is the two-way control relay, and the coil of described relay is connected with described switching power circuit, and two contacts of described relay are connected with two outputs of described attaching plug and the input of alternating current power supply output socket respectively.
More specifically, described digital TV set-top box also comprises the double-pole single-throw (D.P.S.T.) hand switch that is connected in parallel with two contacts of described relay.
More specifically, described digital TV set-top box also comprises indicator light, and the input of described indicator light and described alternating current power supply output socket is connected in parallel.
More specifically, described digital TV set-top box also comprises current-limiting resistance, and described current-limiting resistance and described indicator light are connected in series and protect described indicator light.
The utility model compared with prior art, beneficial effect is: in the digital TV set-top box of the present utility model alternating current power supply output socket is set, in control figure TV set-top box power supply, connect or the switching off AC power accessory power outlet TV set power that control simultaneously is connected with alternating current power supply output socket.
[description of drawings]
Fig. 1 is the digital TV set-top box of first kind of embodiment of the present utility model.
Fig. 2 is the digital TV set-top box of second kind of embodiment of the present utility model.
[embodiment]
See also Fig. 1, digital TV set-top box of the present utility model comprises set-top box attaching plug 1, lead 2, mains switch 3, switching power circuit 4, relay 5, hand switch 6, current-limiting resistance 7, LED light 8 and alternating current power supply output socket 9.
Described set-top box attaching plug 1 is connected with mains switch 3 through lead 2, and the other end of mains switch 3 is connected with switching power circuit 4.Described relay 5 comprises coil and contact, and is the single channel control relay.Described switching power circuit 4 is electrically connected with the coil of relay 5, and described relay 5 contacts are connected with the dc voltage output end and the alternating current power supply output socket input of switching power circuit 4 respectively.The direct voltage of direct voltage the when dc voltage output end of described switching power circuit 4 provides the top box of digital machine operate as normal and control relay 5.
Described alternating current power supply output socket 9 is located on the Digital Television utmost point top box housing, controls the closing of contact or unlatchings by relay 5, thereby controls the on/off of described alternating current power supply output socket 9.When using Digital Television utmost point top box of the present utility model, the attaching plug of television set is inserted on the alternating current power supply output socket 9, the power supply of television set places on-state, so that the power supply of the control television set control figure set-top box time.
Described hand switch 6 can be the single-pole single-throw(SPST hand switch of the contact that is connected in described relay 5 in parallel.When the described hand switch 6 of manual disconnection, described alternating current power supply output socket 9 is subjected to the control of described relay 5; When, during closed hand switch 6, charged all the time in the alternating current power supply output socket 9, alternating current power supply output socket 9 is not subjected to the control of relay 5.Usually under the state, hand switch 6 can be in off-state, so that control the power supply of television set the control figure TV set-top box time together.
Described switching power circuit 4 comprises dc voltage output end, and described direct current output is output voltage when the digital TV set-top box operate as normal, no-voltage output when digital TV set-top box disconnects by remote-control closedown or by mains switch 3.
When the set-top-box opening operate as normal, switching power circuit 4 has direct voltage to export to the coil of relay 5, the closing of contact of described relay 5, alternating current power supply output socket 9 output AC voltages.The television set that is connected with alternating current power supply output socket 9 has power voltage supply, thereby start directly enters AV state, the TV signal that receiving set up box is brought; When set box remote control shutdown or mains switch 3 disconnections, switching power circuit 4 no direct voltages are exported to the coil of relay 5, and open the contact of relay 5, alternating current power supply output socket 9 no alternating voltages outputs, television set outage shutdown.
As shown in Figure 2, can also adopt the two-way control relay in the digital TV set-top box of the present utility model, two contacts of two-way control relay 5 are serially connected in respectively between two attaching plug outputs and the AC power output plug input, and the double-pole single-throw (D.P.S.T.) hand switch that on described contact, is connected in parallel.
Be connected in series with a current-limiting resistance 7 and indicator light 8 between the zero line of described alternating current power supply output socket 9 and the live wire.When charged, indicator light 8 is luminous in the described alternating current power supply output socket 9; Whether when alternating current power supply output socket 9 was not charged, indicator light 8 was not luminous, can point out user's alternating current power supply output socket 9 charged.
Claims (8)
1, a kind of digital TV set-top box, the switching power circuit that comprises set-top box attaching plug, mains switch, output top box of digital machine operating voltage, described mains switch is connected with described switching power circuit to be controlled, it is characterized in that, described digital TV set-top box also comprises alternating current power supply output socket, and described alternating current power supply output socket connects with the input of described switching power circuit and the control unit that is connected with the dc voltage output end of described switching power circuit.
2, digital TV set-top box as claimed in claim 1, it is characterized in that, described control unit is a relay, described relay when when described switching power circuit has electricity, having electric current to pass through, and described relay connects alternating current power supply output socket and attaching plug output.
3, digital TV set-top box as claimed in claim 2, it is characterized in that, described relay is the single channel control relay, and the coil of described relay is connected with described switching power circuit, and described relay contact is connected with attaching plug output and ac power input end.
4, digital TV set-top box as claimed in claim 2 is characterized in that, described digital TV set-top box also comprises the single-pole single-throw(SPST hand switch that is connected in parallel with described relay contact.
5, digital TV set-top box as claimed in claim 2, it is characterized in that, described relay is the two-way control relay, the coil of described relay is connected with described switching power circuit, and two contacts of described relay are connected with two outputs of described attaching plug and the input of alternating current power supply output socket respectively.
6, digital TV set-top box as claimed in claim 5 is characterized in that, described digital TV set-top box also comprises the double-pole single-throw (D.P.S.T.) hand switch that is connected in parallel with two contacts of described relay.
7, digital TV set-top box as claimed in claim 1 is characterized in that, described digital TV set-top box also comprises indicator light, and the input of described indicator light and described alternating current power supply output socket is connected in parallel.
8, digital TV set-top box as claimed in claim 7 is characterized in that, described digital TV set-top box also comprises current-limiting resistance, and described current-limiting resistance and described indicator light are connected in series and protect described indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200165749U CN200990640Y (en) | 2006-12-19 | 2006-12-19 | Digital television set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200165749U CN200990640Y (en) | 2006-12-19 | 2006-12-19 | Digital television set-top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200990640Y true CN200990640Y (en) | 2007-12-12 |
Family
ID=38941671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200165749U Expired - Fee Related CN200990640Y (en) | 2006-12-19 | 2006-12-19 | Digital television set-top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200990640Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977279A (en) * | 2010-09-07 | 2011-02-16 | 广州杰赛科技股份有限公司 | Digital TV set-top box device |
| CN102130434A (en) * | 2011-02-28 | 2011-07-20 | 深圳市大族激光科技股份有限公司 | Power down preventing circuit |
| CN103237239A (en) * | 2013-04-27 | 2013-08-07 | 刘举柱 | Digital television set top box and television remote control switch ganged zero-power-consumption standby circuit |
-
2006
- 2006-12-19 CN CNU2006200165749U patent/CN200990640Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977279A (en) * | 2010-09-07 | 2011-02-16 | 广州杰赛科技股份有限公司 | Digital TV set-top box device |
| CN102130434A (en) * | 2011-02-28 | 2011-07-20 | 深圳市大族激光科技股份有限公司 | Power down preventing circuit |
| CN103237239A (en) * | 2013-04-27 | 2013-08-07 | 刘举柱 | Digital television set top box and television remote control switch ganged zero-power-consumption standby circuit |
| CN103237239B (en) * | 2013-04-27 | 2015-11-18 | 六安市同心畅能电子科技有限公司 | Digital TV set-top box and tv remote control switch link Zero consumption standby circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20111219 |