CN203951595U - A kind ofly support solar powered Set Top Box power supply circuits - Google Patents
A kind ofly support solar powered Set Top Box power supply circuits Download PDFInfo
- Publication number
- CN203951595U CN203951595U CN201420251703.7U CN201420251703U CN203951595U CN 203951595 U CN203951595 U CN 203951595U CN 201420251703 U CN201420251703 U CN 201420251703U CN 203951595 U CN203951595 U CN 203951595U
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- CN
- China
- Prior art keywords
- power supply
- top box
- set top
- selector switch
- contact
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- 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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- 230000001681 protective Effects 0.000 claims abstract description 15
- 239000004065 semiconductor Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000003111 delayed Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of solar powered Set Top Box power supply circuits of supporting; it comprises electro-optical package, storage battery, power supply adaptor, selector switch, protective circuit and power supply interface; electro-optical package is connected with selector switch by storage battery; power supply adaptor one end is connected with civil power; the other end is connected with selector switch, and selector switch is connected with power supply interface by protective circuit.The utility model can be selected solar powered or mains-supplied, and can protect Set Top Box internal hardware devices to exempt from the damage of frequent switching on and shutting down, and energy savings improves Set Top Box fail safe.
Description
Technical field
The utility model relates to a kind of solar powered Set Top Box power supply circuits of supporting.
Background technology
TV set-top box (Set Top Box), does not have the definition of standard, and in a broad sense, every network-termination device being connected with television set all can be referred to as Set Top Box.From the analog channel of past based on cable TV network, augment device, analog channel decoder, to " Wella this " device for logging on network top box that telephone wire and television set are linked together, Integrated Receive Decoder (IRD, Integrated Receive Decoder), digital ground Set Top Box and the cable television digital set-top box of digital satellite, all can be described as Set Top Box.From narrowly, if only say digital device, by major function, Set Top Box can be divided into device for logging on network top box, digital satellite Set Top Box (DVB-S), digital ground Set Top Box (DVB-T), cable television digital set-top box (DVB-C) and the most emerging IPTV Set Top Box etc.
Traditional Set Top Box can only adopt mains-supplied, and supply power mode is single, and may occur the situations such as undertension, is unfavorable for the normal work of Set Top Box.
Set Top Box is the in the situation that of frequent switching on and shutting down, and the instantaneous pressure producing can damage top-set hardware equipment, totally unfavorable to the work of Set Top Box, the useful life of having reduced Set Top Box.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of solar powered Set Top Box power supply circuits of supporting are provided; can select solar powered or mains-supplied; and can protect Set Top Box inside with electrical chip, to avoid the damage of frequent switching on and shutting down; energy savings, improves Set Top Box fail safe.
The purpose of this utility model is achieved through the following technical solutions: a kind ofly support solar powered Set Top Box power supply circuits; it comprises electro-optical package, storage battery, power supply adaptor, selector switch, protective circuit and power supply interface; electro-optical package is connected with selector switch by storage battery; power supply adaptor one end is connected with civil power; the other end is connected with selector switch, and selector switch is connected with power supply interface by protective circuit.
Described selector switch is single-pole double-throw switch (SPDT).
Described protective circuit comprises metal-oxide-semiconductor Q1, linked switch SW, capacitor C 1 and triode T1, described linked switch SW comprises four contacts, the second contact, the 3rd contact is positioned at the same side, be series at selector switch, between the common port of storage battery and power supply adaptor, the first contact, the 4th contact is positioned at the same side, be connected in the two ends of capacitor C 1, the first contact ground connection, selector switch is connected with the 4th contact by resistance R 4, the 4th contact is also connected with the base stage of triode T1 by resistance R 3, the grounded emitter of triode T1, collector electrode is connected with the grid of metal-oxide-semiconductor Q1 by resistance R 2, the source electrode of metal-oxide-semiconductor connects reference level, drain electrode is connected with power supply interface, between source electrode and grid, be also serially connected with resistance R 1.
Described electro-optical package is placed in Set Top Box outside, and storage battery, power supply adaptor, selector switch, protective circuit and power supply interface are all placed in Set Top Box inside.
The beneficial effects of the utility model are:
(1) can select solar powered or mains-supplied, energy savings, protection of the environment.
(2) utilize the special key pattern of linked switch; make can allow fast capacitor discharge in when shutdown; capacitor charging delayed trigger start during start; thereby protected Set Top Box internal hardware devices to exempt from the damage of frequent switching on and shutting down; improve the fail safe of Set Top Box, extended the useful life of Set Top Box.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model protective circuit circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1; a kind ofly support solar powered Set Top Box power supply circuits; it comprises electro-optical package, storage battery, power supply adaptor, selector switch, protective circuit and power supply interface; electro-optical package is connected with selector switch by storage battery; power supply adaptor one end is connected with civil power; the other end is connected with selector switch, and selector switch is connected with power supply interface by protective circuit.
Described selector switch is single-pole double-throw switch (SPDT).
As shown in Figure 2, described protective circuit comprises metal-oxide-semiconductor Q1, linked switch SW, capacitor C 1 and triode T1, described linked switch SW comprises four contacts, the second contact, the 3rd contact is positioned at the same side, be series at selector switch, between the common port of storage battery and power supply adaptor, the first contact, the 4th contact is positioned at the same side, be connected in the two ends of capacitor C 1, the first contact ground connection, selector switch is connected with the 4th contact by resistance R 4, the 4th contact is also connected with the base stage of triode T1 by resistance R 3, the grounded emitter of triode T1, collector electrode is connected with the grid of metal-oxide-semiconductor Q1 by resistance R 2, the source electrode of metal-oxide-semiconductor connects reference level, drain electrode is connected with power supply interface, between source electrode and grid, be also serially connected with resistance R 1.
Described electro-optical package is placed in Set Top Box outside, and storage battery, power supply adaptor, selector switch, protective circuit and power supply interface are all placed in Set Top Box inside.
The above is only preferred implementation of the present utility model, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection range of the utility model claims.
Claims (4)
1. support solar powered Set Top Box power supply circuits for one kind; it is characterized in that: it comprises electro-optical package, storage battery, power supply adaptor, selector switch, protective circuit and power supply interface; electro-optical package is connected with selector switch by storage battery; power supply adaptor one end is connected with civil power; the other end is connected with selector switch, and selector switch is connected with power supply interface by protective circuit.
2. a kind of solar powered Set Top Box power supply circuits of supporting according to claim 1, is characterized in that: described selector switch is single-pole double-throw switch (SPDT).
3. a kind of solar powered Set Top Box power supply circuits of supporting according to claim 1, it is characterized in that: described protective circuit comprises metal-oxide-semiconductor Q1, linked switch SW, capacitor C 1 and triode T1, described linked switch SW comprises four contacts, the second contact, the 3rd contact is positioned at the same side, be series at selector switch, between the common port of storage battery and power supply adaptor, the first contact, the 4th contact is positioned at the same side, be connected in the two ends of capacitor C 1, the first contact ground connection, selector switch is connected with the 4th contact by resistance R 4, the 4th contact is also connected with the base stage of triode T1 by resistance R 3, the grounded emitter of triode T1, collector electrode is connected with the grid of metal-oxide-semiconductor Q1 by resistance R 2, the source electrode of metal-oxide-semiconductor connects reference level, drain electrode is connected with power supply interface, between source electrode and grid, be also serially connected with resistance R 1.
4. a kind of solar powered Set Top Box power supply circuits of supporting according to claim 1; it is characterized in that: described electro-optical package is placed in Set Top Box outside, storage battery, power supply adaptor, selector switch, protective circuit and power supply interface are all placed in Set Top Box inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251703.7U CN203951595U (en) | 2014-05-16 | 2014-05-16 | A kind ofly support solar powered Set Top Box power supply circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420251703.7U CN203951595U (en) | 2014-05-16 | 2014-05-16 | A kind ofly support solar powered Set Top Box power supply circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203951595U true CN203951595U (en) | 2014-11-19 |
Family
ID=51893609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420251703.7U Expired - Fee Related CN203951595U (en) | 2014-05-16 | 2014-05-16 | A kind ofly support solar powered Set Top Box power supply circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203951595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163149A (en) * | 2015-09-22 | 2015-12-16 | 广东九联科技股份有限公司 | Set top box for automatically display time |
-
2014
- 2014-05-16 CN CN201420251703.7U patent/CN203951595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163149A (en) * | 2015-09-22 | 2015-12-16 | 广东九联科技股份有限公司 | Set top box for automatically display time |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20190516 |