CN202340269U - Power supply system for set top box - Google Patents
Power supply system for set top box Download PDFInfo
- Publication number
- CN202340269U CN202340269U CN2011204493118U CN201120449311U CN202340269U CN 202340269 U CN202340269 U CN 202340269U CN 2011204493118 U CN2011204493118 U CN 2011204493118U CN 201120449311 U CN201120449311 U CN 201120449311U CN 202340269 U CN202340269 U CN 202340269U
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- China
- Prior art keywords
- power supply
- power
- stb
- stand
- module
- 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
Links
- 230000007547 defect Effects 0.000 abstract 1
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses a power supply system for a set top box, which comprises a power supply module arranged in the set top box. The power supply module is connected with mains supply and used for providing a box-type power supply for other modules in the set top box. The power supply system further comprises a stand-by power supply. The stand-by power supply is connected with the power supply module and overcomes the defects that the existing set top box can not be started during upgrading caused by outage of the mains supply.
Description
Technical field
The utility model relates to DTV STB and manufactures field, the STB electric power system of particularly setting up stand-by power supply for STB.
Background technology
The full name of STB is called " DTV STB "; It is a kind of conversion equipment that digital television signal is converted to analog signal; It is to the reduction of decoding through the image of digitalization compressed and voice signal; Produce the video and the voice signal of simulation, to spectators high-quality TV programme are provided through television indicator and stereo set.
STB generally all is to supply power through family expenses line voltage 220V at present.Pass through the internal electric source administration module again to digital signal processor, the power supply of control chip group such as microprocessor.Because STB has the upgrading needs, and when upgrading, require and to cut off the power supply.If outage possibly cause STB to start in escalation process.
The utility model content
The utility model provides a kind of STB electric power system in order to overcome the present STB deficiency that the civil power outage possibly cause STB itself to start when upgrading, and increases backup battery in this electric power system.
The utility model for realizing the technical scheme that its purpose adopts is: a kind of STB electric power system; Comprise the power module that is arranged in the STB; Described power module and civil power are connected to interior other module of STB the boxlike power supply are provided; Also comprise stand-by power supply, described stand-by power supply links to each other with described power module.
Further, in above-mentioned a kind of STB electric power system: described stand-by power supply comprises storage battery, is the charging circuit of described charge in batteries and inverter; Described charging circuit one termination civil power, the described storage battery of another termination, the described storage battery of a termination of described inverter, the described power module of another termination.
Further, in above-mentioned a kind of STB electric power system: be provided with switch at described civil power and power module connecting place and described stand-by power supply and power module connecting place.
The utility model is owing to insert civil power and stand-by power supply in the input parallel connection of the power module of STB; When the civil power sudden power can overcome the present STB deficiency that the civil power outage possibly cause STB itself to start when upgrading at once by the stand-by power supply power supply.
Description of drawings
Fig. 1 is the utility model system block diagram.
Fig. 2 is the utility model embodiment 1 block diagram.
Embodiment
Embodiment 1; As depicted in figs. 1 and 2; Present embodiment is a kind of electric power system that power supply is provided for DTV STB; It provides continual 220VAC civil power for DTV STB, waits normally use under the situation that can not cut off the power supply to guarantee DTV STB upgrading, and DTV STB is protected.As shown in Figure 2; In the present embodiment, also parallel connection inserts a stand-by power supply when the input of STB power module is drawn in civil power, and this affair uses power supply as supply module the power supply the same with civil power to be provided; There are a lot of power supplys can make stand-by power supply; As shown in Figure 2 is exactly a kind of backup battery preferably, comprises storage battery, charging circuit, inverter, and charging circuit utilizes the 220VAC civil power to charge a battery; After charge in batteries is full, stop charging; If city's sudden power, storage battery can be at once through inverter the output DC of storage battery are transformed into the power module power supply that 220VAC continues as DTV STB, avoid since have a power failure suddenly cause STB in initialization or escalation process because outage and ten million loss.In order to guarantee to remove electricity, be provided with switch at civil power and power module connecting place and stand-by power supply and power module connecting place at using time top box itself not.
The present embodiment system provides a kind of STB emergency electric system.When the power cut-off that originally uses, the subsequent use electric power system of STB starts.Can avoid some can not cut off the power supply as the upgrading situation under can not cause STB normally to use because of outage situation.Under the situation of sudden power, also need not reinitialize, the programme information that searched out originally can both keep.
The power-supply system of present embodiment is used as follows:
1, with the supply module of stand-by power supply junctor top box, should be parallelly connected relation with original power supply.Reserve battery should use the battery that can repeat to discharge and recharge in the present embodiment.Can use rechargeable lithium battary as required.
2, when connecting with the mains, charge to reserve battery.
If 3 city's power supplys have been turned off, reserve battery is discharge just, supplies power to whole system.Supplying time is relevant with the capacity of reserve battery.
4, on hardware, add a switch, this switch can cut off the power supply of two power supplys.Phenomenon to prevent to shut down occurs.
Claims (3)
1. STB electric power system; Comprise the power module that is arranged in the STB; Described power module and civil power are connected to interior other module of STB the boxlike power supply are provided, and it is characterized in that: also comprise stand-by power supply, described stand-by power supply links to each other with described power module.
2. a kind of STB electric power system according to claim 1 is characterized in that: described stand-by power supply comprises storage battery, is the charging circuit of described charge in batteries and inverter; Described charging circuit one termination civil power, the described storage battery of another termination, the described storage battery of a termination of described inverter, the described power module of another termination.
3. a kind of STB electric power system according to claim 1 and 2 is characterized in that: be provided with switch at described civil power and power module connecting place and described stand-by power supply and power module connecting place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204493118U CN202340269U (en) | 2011-11-15 | 2011-11-15 | Power supply system for set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204493118U CN202340269U (en) | 2011-11-15 | 2011-11-15 | Power supply system for set top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202340269U true CN202340269U (en) | 2012-07-18 |
Family
ID=46488951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204493118U Expired - Fee Related CN202340269U (en) | 2011-11-15 | 2011-11-15 | Power supply system for set top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202340269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166302A (en) * | 2013-02-02 | 2013-06-19 | 深圳市中兴移动通信有限公司 | Power supply method of set top box phone and set top box phone |
| CN111880638A (en) * | 2020-08-06 | 2020-11-03 | 欧姆龙(上海)有限公司 | Electronic device and method of controlling data update of electronic device |
-
2011
- 2011-11-15 CN CN2011204493118U patent/CN202340269U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166302A (en) * | 2013-02-02 | 2013-06-19 | 深圳市中兴移动通信有限公司 | Power supply method of set top box phone and set top box phone |
| CN111880638A (en) * | 2020-08-06 | 2020-11-03 | 欧姆龙(上海)有限公司 | Electronic device and method of controlling data update of electronic device |
| WO2022028350A1 (en) * | 2020-08-06 | 2022-02-10 | 欧姆龙株式会社 | Electronic device and method for controlling update of data in electronic device |
| EP4195003A4 (en) * | 2020-08-06 | 2024-08-07 | Omron Corporation | ELECTRONIC DEVICE AND METHOD FOR CONTROLLING THE UPDATE OF DATA IN AN ELECTRONIC DEVICE |
| US12204392B2 (en) | 2020-08-06 | 2025-01-21 | Omron Corporation | Electronic device and method for controlling update of data in electronic device |
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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: 20120718 Termination date: 20121115 |