CN102065206A - Set top box capable of switching power automatically and interface type set top box - Google Patents
Set top box capable of switching power automatically and interface type set top box Download PDFInfo
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- CN102065206A CN102065206A CN 201010296613 CN201010296613A CN102065206A CN 102065206 A CN102065206 A CN 102065206A CN 201010296613 CN201010296613 CN 201010296613 CN 201010296613 A CN201010296613 A CN 201010296613A CN 102065206 A CN102065206 A CN 102065206A
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Abstract
The invention relates to a set top box capable of switching power supply automatically which comprises a power module, a first power supply module, a second power supply module, and a power supply switching module, the first power supply module is used for supplying power to the power module through a signal interface of a TV set; the second power supply module is used for supplying power to the power module through external power; and the power supply switching module is used for switching over the first power supply module and the second power supply module to supply power for the power module. The set top box capable of switching the power is an interface type set top box and comprises a signal output interface and a power interface, the signal output interface is respectively connected with the first power supply module and the signal interface of the TV set, and the power interface is respectively connected with the second power supply module and the external power. The invention also provides an interface type set top box capable of switching power automatically. In the invention, dual power is adopted to supply power and the power supply can be switched over automatically according to the power supply condition of the power, thus although one way power of the set top box is disconnected, the set top box also can operate normally, and reliable and effective working of the set top box can be ensured.
Description
Technical field
The present invention relates to a kind of set-top box, more particularly, but relate to a kind of set-top box of auto switching electric source.
Background technology
At present, along with the development of digital television techniques and the popularization of Digital Television, increasing digital TV terminal enters huge numbers of families, and everybody need use receiving equipments such as television set, top box of digital machine when seeing TV.And be connected by many different types of transmission lines between set-top box and the television set, also needing simultaneously provides the power supply support for these two equipment.The occupation mode of this set-top box connects complicatedly, and the arbitrary set-top box that is disconnected of the power supply of two equipment all can't operate as normal simultaneously, bumps the power supply of set-top box when upgrading as set-top box because of carelessness, can not guarantee the reliable and effective work of set-top box like this.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned set-top box of prior art because the insecure defective of single power supply work, but a kind of dual power supply and can be according to the set-top box of the auto switching electric source of power supply electric power thus supplied automatic switchover power supply of having is provided.
The technical solution adopted for the present invention to solve the technical problems is: the set-top box of constructing a kind of auto switching electric source, comprise power module, the set-top box of wherein said auto switching electric source also comprises: first supply module: be used for by the signaling interface of television set described power module being powered; Second supply module: be used for described power module being powered by external power source; And power supply handover module: be used to automatically switch described first supply module and described second supply module are powered to described power module.
In the set-top box of auto switching electric source of the present invention, described power supply handover module comprises: preferred power supply unit: be used for preferentially adopting described first supply module to power when described first supply module and described second supply module are powered simultaneously; When described first supply module is stopped power supply, automatically switch to described second supply module and power.
In the set-top box of auto switching electric source of the present invention, described preferred power supply unit comprises first diode, described second supply module is connected with the anode and the described external power source of described first diode respectively, and described first supply module is connected with the signaling interface and the described power module of the negative electrode of described first diode, described television set respectively.
In the set-top box of auto switching electric source of the present invention, described power supply handover module comprises: common power supply unit: be used for described first supply module and described second supply module is powered simultaneously; When described first supply module is stopped power supply, automatically switch to described second supply module and power; When described second supply module is stopped power supply, automatically switch to described first supply module and power.
In the set-top box of auto switching electric source of the present invention, described common power supply unit comprises second diode and the 3rd diode, described second supply module is connected with the anode and the described external power source of described second diode respectively, described first supply module is connected with the anode of described the 3rd diode and the signaling interface of described television set respectively, and the negative electrode of the negative electrode of described second diode and described the 3rd diode is connected with described power module.
In the set-top box of auto switching electric source of the present invention, the set-top box of described auto switching electric source is an interface formula set-top box, described interface formula set-top box comprises signal output interface, and described signal output interface is connected with the signaling interface of described first supply module and described television set respectively.
In the set-top box of auto switching electric source of the present invention, the set-top box of described auto switching electric source is an interface formula set-top box, described interface formula set-top box also comprises power interface, and described power interface is connected with described external power source with described second supply module respectively.
In the set-top box of auto switching electric source of the present invention, described interface formula set-top box also comprises: signal receiving module: be used to receive cable TV signal and/or wireless television signal; And decoder module: be used for to described cable TV signal and/or wireless television signal decoding output.
In the set-top box of auto switching electric source of the present invention, described interface formula set-top box also comprises: signal receiving module: be used for receiving cable TV signal from the signaling interface of described television set; And decoder module: be used for to described cable TV signal decoding output.
The present invention also constructs a kind of interface formula set-top box of auto switching electric source, comprise power module, the interface formula set-top box of wherein said auto switching electric source also comprises: first supply module: be used for by the signaling interface of television set described power module being powered; Second supply module: be used for described power module being powered by external power source; The power supply handover module: be used to automatically switch described first supply module and described second supply module are powered to described power module; Power interface and signal output interface; Described signal output interface is connected with the signaling interface of described first supply module and described television set respectively, and described power interface is connected with described external power source with described second supply module respectively; Described power supply handover module comprises: preferred power supply unit: be used for preferentially adopting described first supply module to power when described first supply module and described second supply module are powered simultaneously; When described first supply module is stopped power supply, automatically switch to described second supply module and power.
Implement the set-top box and the interface formula set-top box of auto switching electric source of the present invention, has following beneficial effect: owing to the employing dual power supply and according to power supply electric power thus supplied automatic switchover power supply, even one road power supply of feasible set-top box is disconnected set-top box and also can normally moves, guaranteed the reliable and effective work of set-top box.
Preferred power supply unit makes the signaling interface of preferred television set power to set-top box, and this supply power mode is convenient reliable, reduces the number of times of Switching power.Power and be independent of each other when common power supply unit has been realized two supply modules.The design of the set-top box of interface formula has significantly reduced the wiring quantity between set-top box and the television set, installs and uses convenient.The design of power interface has guaranteed the electricity consumption of interface formula set-top box.Receiving cable TV signal or wireless television signal makes the user that the selection of more received television signal modes be arranged.The TV signal that receives television set output can make interface formula set-top box smaller and more exquisite, does not need to design other cable TV signal access port again.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of first preferred embodiment of the set-top box of auto switching electric source of the present invention;
Fig. 2 is the structural representation of second preferred embodiment of the set-top box of auto switching electric source of the present invention;
Fig. 3 is the structural representation of the 3rd preferred embodiment of the set-top box of auto switching electric source of the present invention;
Fig. 4 is the structural representation of the 4th preferred embodiment of the set-top box of auto switching electric source of the present invention;
Fig. 5 is the structural representation of the 5th preferred embodiment of the set-top box of auto switching electric source of the present invention;
Fig. 6 is the circuit diagram of second preferred embodiment of the set-top box of auto switching electric source of the present invention;
Fig. 7 is the circuit diagram of the 3rd preferred embodiment of the set-top box of auto switching electric source of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
As shown in Figure 1, in the structural representation of first preferred embodiment of the set-top box of auto switching electric source of the present invention, the set-top box of described auto switching electric source comprises power module, first supply module 1, second supply module 2 and power supply handover module 3, power module is used to provide the work electricity consumption of set-top box, first supply module 1 is used for by the signaling interface of television set power module being powered, second supply module 2 is used for by external power source described power module being powered, and power supply handover module 3 be used to automatically switch described first supply module 1 and 2 pairs of described power modules of described second supply module are powered.When the set-top box of described auto switching electric source is worked, first supply module 1 is connected with the signal output interface of television set, the signal output interface of this television set (as the dedicated tone video interface) is powered to power module by first supply module 1, second supply module 2 is connected with external power source, and external power source is powered to power module by second supply module 2.3 controls of power supply handover module are powered to power module simultaneously by first supply module, 1, the second supply module 2 or first, second supply module 2; At first supply module 1 and second supply module 2 wherein one the tunnel when stopping power supply, power supply handover module 3 another road of can automaticallying switch powers, and all stops power supply up to the duplex feeding module, and the set-top box of described auto switching electric source just quits work.The set-top box of this auto switching electric source adopts dual power supply and according to power supply electric power thus supplied automatic switchover power supply, also can normally move even one road power supply of feasible set-top box is disconnected set-top box, has guaranteed the reliable and effective work of set-top box.
As shown in Figure 2, in the structural representation of second preferred embodiment of the set-top box of auto switching electric source of the present invention, power supply handover module 3 comprises preferred power supply unit 31, preferred power supply unit 31 is used for preferentially adopting described first supply module 1 to power when described first supply module 1 and described second supply module 2 are powered simultaneously; When described first supply module 1 is stopped power supply, automatically switch to described second supply module 2 and power.When adopting this preferred power supply unit 31 if first supply module 1 can power and adopt first supply module 1 to power, just switching to second supply module 2 when having only first supply module 1 to stop power supply powers, first supply module 1 restores electricity when powering as second supply module 2, also can automatically switch to first supply module 1 and power.Have only the duplex feeding module all to stop power supply, the set-top box of described auto switching electric source just quits work.Preferred power supply unit 31 makes the signaling interface of preferred television set power to set-top box, and this supply power mode is convenient reliable, reduces the number of times of Switching power.
As shown in Figure 6, the circuit diagram of second preferred embodiment of the set-top box of auto switching electric source of the present invention describes the realization circuit of preferred power supply unit 31 in detail.Preferred power supply unit 31 comprises first diode 311, described second supply module 2 is connected with the anode and the described external power source of described first diode 311 respectively, and described first supply module 1 is connected with the signaling interface and the described power module of the negative electrode of described first diode 311, described television set respectively.First diode 311 act as unidirectional conducting, when 1 power supply of first supply module, because the two ends pressure reduction of first diode 311 is little, first diode 311 plays the effect that prevents reverse-conducting, when first supply module 1 does not have the electricity input, because the forward pressure reduction at first diode, 311 two ends is big, 311 conductings of first diode, external power source can be input to power module through second supply module 2 and first supply module 1, when first supply module 1 has the power supply input again, the two ends pressure reduction of first diode 311 reduces, first diode 311 plays the effect that prevents reverse-conducting once more so, and power module will be reused first supply module 1 and carry out work.
As shown in Figure 3, in the structural representation of the 3rd preferred embodiment of the set-top box of auto switching electric source of the present invention, described power supply handover module 3 comprises common power supply unit 32, and common power supply unit 32 is used for described first supply module 1 and described second supply module 2 is powered simultaneously; When described first supply module 1 is stopped power supply, automatically switch to described second supply module 2 and power; When described second supply module 2 is stopped power supply, automatically switch to described first supply module 1 and power.First supply module 1 and second supply module 2 are powered simultaneously generally speaking when adopting this common power supply unit 32; Stopping power supply when one road supply module then switches to another road supply module and powers separately, and when the duplex feeding module all restored electricity, common power supply unit 32 recovers first supply modules 1 and second supply module 2 is powered simultaneously.Power and be independent of each other when common power supply unit 32 has been realized two supply modules.
As shown in Figure 7, the circuit diagram of the 3rd preferred embodiment of the set-top box of auto switching electric source of the present invention describes the realization circuit of preferred power supply unit 31 in detail.Common power supply unit 32 comprises second diode 321 and the 3rd diode 322, described second supply module 2 is connected with the anode and the described external power source of described second diode 321 respectively, described first supply module 1 is connected with the anode of described the 3rd diode 322 and the signaling interface of described television set respectively, and the negative electrode of the negative electrode of described second diode 321 and described the 3rd diode 322 is connected with described power module.When using this circuit, as long as second supply module 2 and first supply module 1 need only wherein one road supply module power supply, power module just can normally provide the work electricity consumption of set-top box.When wherein second diode 321 prevents that first supply module 1 from powering separately, the reverse current of 1 pair second supply module 2 of first supply module; When the 3rd diode 322 prevented that second supply module 2 from powering separately, the directional current of 2 pairs first supply modules 1 of second supply module had guaranteed that well single supply module work and the work of duplicate supply module are independent of each other.
As shown in Figure 4, in the structural representation of the 4th preferred embodiment of the set-top box of auto switching electric source of the present invention, the set-top box of described auto switching electric source is an interface formula set-top box, described interface formula set-top box comprises signal output interface, and described signal output interface is connected with the signaling interface of described first supply module 1 and described television set respectively.Adopt this interface formula set-top box, rationally utilize television set space behind, set-top box is fixed on the television set shell behind by signal output interface, and signal output interface is connected with the signaling interface of described television set.From the work electricity consumption of signal output interface reader top box, also from signal output interface input and output audio-video signal, significantly reduced the wiring quantity between set-top box and the television set simultaneously, install and use convenient.
As shown in Figure 5, in the structural representation of the 5th preferred embodiment of the set-top box of auto switching electric source of the present invention, the set-top box of described auto switching electric source is an interface formula set-top box, described interface formula set-top box also comprises power interface, and described power interface is connected with described external power source with described second supply module 2 respectively.The design of power interface has realized dual power supply, has guaranteed the electricity consumption of interface formula set-top box.During the work of this interface formula set-top box, set-top box is responsible for received signal, television set is responsible for program is exported on screen, only need to provide an attaching plug (offering television set) just can realize normal playing programs, simultaneously the power interface access external power source of available set-top box also when the signaling interface of described television set does not provide power supply to support.
Preferred embodiment as the set-top box of auto switching electric source of the present invention, described interface formula set-top box also comprises signal receiving module and decoder module, signal receiving module is used to receive cable TV signal and/or wireless television signal, and decoder module is used for described cable TV signal and/or wireless television signal decoding output.Receiving cable TV signal or wireless television signal makes the user that the selection of more received television signal modes be arranged, it is more convenient to use connecting line to receive cable TV signal as family uses, and, use the wireless receiving wireless television signal more convenient out of doors as on the bus.
Preferred embodiment as the set-top box of auto switching electric source of the present invention, described interface formula set-top box also comprises signal receiving module and decoder module, signal receiving module is used for receiving cable TV signal from the signaling interface of described television set, and decoder module is used for described cable TV signal decoding output.The TV signal that receives television set output can make interface formula set-top box not need to design other TV signal receiving port or radio receiver, makes that the design of interface formula set-top box can be smaller and more exquisite.
The present invention also constructs a kind of interface formula set-top box of auto switching electric source, comprise power module, the interface formula set-top box of wherein said auto switching electric source also comprises: first supply module 1: be used for by the signaling interface of television set described power module being powered; Second supply module 2: be used for described power module being powered by external power source; Power supply handover module 3: be used to automatically switch described first supply module 1 and 2 pairs of described power modules of described second supply module are powered; Power interface and signal output interface; Described signal output interface is connected with the signaling interface of described first supply module 1 and described television set respectively, and described power interface is connected with described external power source with described second supply module 2 respectively; Power supply handover module 3 comprises: preferred power supply unit 31: be used for preferentially adopting described first supply module 1 to power when first supply module 1 and second supply module 2 are powered simultaneously; When first supply module 1 is stopped power supply, automatically switch to described second supply module 2 and power.The interface formula set-top box of auto switching electric source adopts dual power supply and according to power supply electric power thus supplied automatic switchover power supply, also can normally move even one road power supply of feasible set-top box is disconnected set-top box, has guaranteed the reliable and effective work of set-top box; Rationally utilize television set space behind, set-top box is fixed on the television set shell behind by signal output interface, signal output interface is connected with the signaling interface of described television set, work electricity consumption from signal output interface reader top box, simultaneously also from signal output interface input and output audio-video signal, significantly reduced the wiring quantity between set-top box and the television set, installed and used convenient; Set-top box is responsible for received signal, television set is responsible for program is exported on screen, only need to provide an attaching plug (offering television set) just can realize normal playing programs, simultaneously the power interface access external power source of available set-top box also when the signaling interface of described television set does not provide power supply to support; Preferred power supply unit 31 makes the signaling interface of preferred television set power to set-top box, and this supply power mode is convenient reliable, reduces the number of times of Switching power.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure transformation that utilizes specification of the present invention and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the set-top box of an auto switching electric source comprises power module, it is characterized in that, the set-top box of described auto switching electric source also comprises:
First supply module (1): be used for described power module being powered by the signaling interface of television set;
Second supply module (2): be used for described power module being powered by external power source; And
Power supply handover module (3): be used to automatically switch described first supply module (1) and described second supply module (2) are powered to described power module.
2. the set-top box of auto switching electric source according to claim 1 is characterized in that, described power supply handover module (3) comprising:
Preferred power supply unit (31): be used for preferentially adopting described first supply module (1) to power when described first supply module (1) and described second supply module (2) when powering simultaneously; When described first supply module (1) when stopping power supply, automatically switch to described second supply module (2) and power.
3. the set-top box of auto switching electric source according to claim 2, it is characterized in that, described preferred power supply unit (31) comprises first diode (311), described second supply module (2) is connected with the anode and the described external power source of described first diode (311) respectively, and described first supply module (1) is connected with the signaling interface and the described power module of the negative electrode of described first diode (311), described television set respectively.
4. the set-top box of auto switching electric source according to claim 1 is characterized in that, described power supply handover module (3) comprising:
Common power supply unit (32): be used for described first supply module (1) and described second supply module (2) is powered simultaneously; When described first supply module (1) when stopping power supply, automatically switch to described second supply module (2) and power; When described second supply module (2) when stopping power supply, automatically switch to described first supply module (1) and power.
5. the set-top box of auto switching electric source according to claim 4, it is characterized in that, described common power supply unit (32) comprises second diode (321) and the 3rd diode (322), described second supply module (2) is connected with the anode and the described external power source of described second diode (321) respectively, described first supply module (1) is connected with the anode of described the 3rd diode (322) and the signaling interface of described television set respectively, and the negative electrode of the negative electrode of described second diode (321) and described the 3rd diode (322) is connected with described power module.
6. according to the claim 1-5 set-top box of arbitrary described auto switching electric source wherein, it is characterized in that, the set-top box of described auto switching electric source is an interface formula set-top box, described interface formula set-top box comprises signal output interface, and described signal output interface is connected with the signaling interface of described first supply module (1) and described television set respectively.
7. according to the claim 1-5 set-top box of arbitrary described auto switching electric source wherein, it is characterized in that, the set-top box of described auto switching electric source is an interface formula set-top box, described interface formula set-top box comprises power interface, and described power interface is connected with described external power source with described second supply module (2) respectively.
8. the set-top box of auto switching electric source according to claim 6 is characterized in that, described interface formula set-top box also comprises:
Signal receiving module: be used to receive cable TV signal and/or wireless television signal; And
Decoder module: be used for to described cable TV signal and/or wireless television signal decoding output.
9. the set-top box of auto switching electric source according to claim 6 is characterized in that, described interface formula set-top box also comprises:
Signal receiving module: be used for receiving cable TV signal from the signaling interface of described television set; And
Decoder module: be used for to described cable TV signal decoding output.
10. the interface formula set-top box of an auto switching electric source comprises power module, it is characterized in that, the interface formula set-top box of described auto switching electric source also comprises:
First supply module (1): be used for described power module being powered by the signaling interface of television set;
Second supply module (2): be used for described power module being powered by external power source;
Power supply handover module (3): be used to automatically switch described first supply module (1) and described second supply module (2) are powered to described power module; Power interface and signal output interface;
Described signal output interface is connected with the signaling interface of described first supply module (1) and described television set respectively, and described power interface is connected with described external power source with described second supply module (2) respectively;
Described power supply handover module (3) comprising: preferred power supply unit (31): be used for preferentially adopting described first supply module (1) to power when described first supply module (1) and described second supply module (2) when powering simultaneously; When described first supply module (1) when stopping power supply, automatically switch to described second supply module (2) and power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102966136A CN102065206B (en) | 2010-09-29 | 2010-09-29 | Set top box capable of switching power automatically and interface type set top box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102966136A CN102065206B (en) | 2010-09-29 | 2010-09-29 | Set top box capable of switching power automatically and interface type set top box |
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| CN102065206A true CN102065206A (en) | 2011-05-18 |
| CN102065206B CN102065206B (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102966136A Expired - Fee Related CN102065206B (en) | 2010-09-29 | 2010-09-29 | Set top box capable of switching power automatically and interface type set top box |
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| CN102881133A (en) * | 2012-09-07 | 2013-01-16 | 北京歌华有线电视网络股份有限公司 | Wireless meter reading concentrator device based on digital TV set-top box and method |
| CN105357579A (en) * | 2015-10-13 | 2016-02-24 | 深圳创维数字技术有限公司 | Online upgrading method for set top box, related device and set top box |
| CN107995507A (en) * | 2017-10-17 | 2018-05-04 | 安徽电信器材贸易工业有限责任公司 | A kind of set-top box of auto switching electric source |
| CN111009955A (en) * | 2019-11-26 | 2020-04-14 | 武汉联特科技有限公司 | Dual-power supply circuit with protection |
| CN112737085A (en) * | 2019-10-14 | 2021-04-30 | 海信视像科技股份有限公司 | Display device |
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| CN112737085B (en) * | 2019-10-14 | 2023-10-27 | 海信视像科技股份有限公司 | display device |
| CN111009955A (en) * | 2019-11-26 | 2020-04-14 | 武汉联特科技有限公司 | Dual-power supply circuit with protection |
| CN111009955B (en) * | 2019-11-26 | 2021-07-09 | 武汉联特科技股份有限公司 | Dual-power supply circuit with protection |
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|---|---|
| CN102065206B (en) | 2012-07-11 |
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