CN201957155U - Energy saving television set - Google Patents
Energy saving television set Download PDFInfo
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- CN201957155U CN201957155U CN2010206981272U CN201020698127U CN201957155U CN 201957155 U CN201957155 U CN 201957155U CN 2010206981272 U CN2010206981272 U CN 2010206981272U CN 201020698127 U CN201020698127 U CN 201020698127U CN 201957155 U CN201957155 U CN 201957155U
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- 230000009466 transformation Effects 0.000 claims description 13
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- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
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- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model relates to an energy saving television set which comprises a printed circuit board main board module and a power panel module, wherein the main board module further comprises a master control chip MCU (Microprogrammed Control Unit) module and a voltage conversion module which is used for converting the voltage of an input direct current power source; the power panel module comprises an electric supply input switch module for switching on 220 V alternative current power supply in case of operation of the television set and switching off 220V alternative current power supply in case of standby of the television set; the main board module also comprises a power supply selective switch module, a battery and a charging module of the battery; under the control of the master control chip, the power supply selective switch module selectively switches on the power supply of the battery and the charging module or the power supply of the voltage conversion module. The energy saving television set can completely switch off alternative current power supply and supplies power by means of the standby battery in case of standby status of the television set, the standby power consumption is far less than 0.5 W, and the energy saving television set has the advantages of energy saving and environmental protection.
Description
Technical field the utility model relates to a kind of energy-saving TV set device, relates in particular to a kind of rechargeable battery powered TV set device of using instead under holding state.
Background technology is along with science and technology and expanding economy, the big screen panel TV machine is universal day by day in city dweller family, when having brought better visual enjoyment for consumer's daily life, also brought continuous surging power consumption expense to the consumer, increased the consumption burden.Our country will build resource, friendly environment society, and energy-conservation, the consumption reduction problem of television product proposed new challenge and requirement.On the other hand; enhancing along with the society environmental protection consciousness; the standby power of television set also becomes the index that the consumer pays close attention to; national standard has required standby power less than 1W at present; popularization along with energy-conservation authentication; follow-up product will require strict more to standby power, and the standby power of one-level energy consumption requires less than 0.5W.
Reduce the main way of standby power at present and still on mainboard, reduce standby current, on power module, also select high efficiency components and parts simultaneously as far as possible for use.But the operating efficiency of power supply is very low under the situation of underloading, and power supply conversion efficiency is also very low, so reduce the stand-by power consumption design near bottleneck, being difficult to has better breakthrough again, further reduces very difficulty of standby power.
Summary of the invention main purpose of the present utility model is to disclose a kind of energy-saving TV set device, further reduces the standby power of television set.
The utility model discloses a kind of energy-saving TV set device, comprise the printed circuit board (PCB) mainboard module, and being connected power panel module between described mainboard and the 220V alternating-current power supply, described power panel module becomes the described mainboard module of input after the DC power supply to the 220V ac process; Described mainboard module further comprises the main control chip MCU module of controlling described TV set device co-ordination and is used to change the voltage transformation module of the voltage of input DC power.
Also comprise civil power input switch module in the described power panel module; Described civil power input switch module receives the control signal of described main control chip MCU module, connects described 220V alternating-current power supply under described TV set device operating state, cuts off described 220V alternating-current power supply under described TV set device holding state.
Also comprise power selection switch module and battery and charging module thereof in the described mainboard module; Described battery and charging module thereof are used for providing power supply when described TV set device holding state; Described selector switch module selects to connect described battery and the power supply of charging module or the power supply of described voltage transformation module under the control of described main control chip MCU module.
The disclosed a kind of energy-saving TV set device of the utility model is cut off alternating current fully and is used the standby powered battery instead under holding state, be the standby battery charge in the time of in working order, makes the stand-by power consumption of TV set device be far smaller than 0.5W, energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the power supply the principle block diagram of TV set device.
Fig. 2 is the circuit block diagram of an embodiment of TV set device of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The master chip of TV set device generally all is low-voltage standby (as 3.3V or 2.5V) at holding state at present, and the utility model is example with 3.3V.Standby current under holding state is probably about 30mA.And the standby voltage that the power module of TV set device provides may be 12V or 5V, and the utility model is example with 12V.The 12V power supply that the power module of TV set device provides generally will be converted to 3.3V through DC/DC or LDO again on mainboard.In holding state subordinate underloading situation, the power supply conversion efficiency on the mainboard extremely low (efficient that sometimes may 50% does not all reach), this moment, the also very low and power source integral of power supply conversion efficiency of power panel cooperated to get off the standby power of 0.5W just to be difficult to guarantee.
Be the power supply the principle block diagram of TV set device as shown in Figure 1.Comprise power panel module and mainboard module, further comprise voltage transformation module and main control chip MCU module in the mainboard module again, main control chip MCU module is coordinated the work of television set by signal in the control TV set device and data.220V ac commercial power voltage input power panel module, output 12V commutating voltage is given mainboard module after the rectifying and wave-filtering voltage stabilizing in power panel; Provide 3.3V direct voltage through voltage transformation module for main control chip MCU module.The other parts for TV set device that main control chip MCU also controls voltage transformation module provide required voltage and current.
The utility model increases a rechargeable battery and charging circuit on mainboard, in power module, also increase a fritter unit of function circuit (this circuit is the input that switching circuit is used to turn-off or open AC220V), the ac input voltage of the module of when standby, just cutting off the electricity supply, power module is no longer exported the 12V supply power voltage, and the battery on the mainboard of migrating comes to main board power supply.
Mainboard standby supply power voltage major part now is 3.3V, selects the battery of 3.3V voltage output, and directly mainboard is given in power supply, does not so just need 12V conversion 3.3V, reduces the once loss of conversion.
Battery can be selected the bigger battery of electric weight for use, and 1200mAh for example calculates with the standby current of 3.3V/30mA, this battery can continue to use 40 hours, be enough to satisfy general standby requirement,, then need the power cutoff switch if the user does not use television set for a long time.
The input that the switching circuit of control power module is opened AC220V when the user televiews; power module is started working again and is exported 12V like this; mainboard power supply system switches the power supply of telegram in reply source module; and battery module also has charging and charge protector (it is safe in utilization to guarantee battery no longer to continue charging after battery is full of), open state can charge for battery prepare the back holding state under the electric weight abundance.
When the user did not see TV, television set changed holding state over to, and cut off AC power supply module fully and use powered battery instead this moment, and by above-mentioned example 3.3V/30mA, standby power has only 0.09W, is far smaller than the requirement of 0.5W, realized energy-conserving and environment-protective.
Be illustrated in figure 2 as the circuit block diagram of an embodiment of TV set device of the present utility model, the printed circuit board (PCB) mainboard that comprises TV set device, on mainboard, include main control chip MCU module, supply module on the mainboard comprises battery and charging module and voltage transformation module, also comprises the power selection switch module; Under main control chip MCU module controls, the power selection switch module selects voltage transformation module that mainboard, the power supply that provides mainboard work to be are provided under the TV set device operating state; Under the TV set device holding state, select battery and charging module thereof to connect mainboard, the power supply when the mainboard standby is provided.
As shown in Figure 2, after the power panel module in the 220V alternating current input TV set device, must be through civil power input switch module; Under the control of the main control chip MCU module on mainboard (in the accompanying drawing adopt thinner lines represent control signal), when TV set device under holding state, civil power input switch module is cut off the 220V alternating current; Under the TV set device operating state, civil power input switch module connects input power panel module to the 220V alternating current.The power panel module converts the 220V alternating current to the 12V direct voltage and imports voltage transformation module on the mainboard, and voltage transformation module is exported 3.3V voltage again and is used for main board power supply.
As shown in Figure 2, under the control of main control chip MCU module, under the operating state of TV set device, voltage transformation module also provides charging current for battery and charging module thereof, guarantees the safe charging of battery and charging module thereof.
Comprise power supply control jack module on the mainboard of TV set device, main control chip MCU module connects civil power input control module and the output AC power source control signal on the power panel, is used to control the logical or disconnected of 220V alternating current.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. an energy-saving TV set device comprises the printed circuit board (PCB) mainboard module, and is connected the power panel module between described mainboard and the 220V alternating-current power supply, and described power panel module is imported described mainboard module after the 220V ac process is become DC power supply; Described mainboard module further comprises the main control chip MCU module of controlling described TV set device co-ordination and is used to change the voltage transformation module of the voltage of input DC power; It is characterized in that:
Also comprise civil power input switch module in the described power panel module; Described civil power input switch module receives the control signal of described main control chip MCU module, connects described 220V alternating-current power supply under described TV set device operating state, cuts off described 220V alternating-current power supply under described TV set device holding state;
Also comprise power selection switch module and battery and charging module thereof in the described mainboard module; Described battery and charging module thereof are used for providing power supply when described TV set device holding state; Described selector switch module selects to connect described battery and the power supply of charging module or the power supply of described voltage transformation module under the control of described main control chip MCU module.
2. TV set device as claimed in claim 1 is characterized in that, described battery and charging module output 3.3V direct voltage thereof.
3. TV set device as claimed in claim 2 is characterized in that, described battery and charging module thereof comprise charging and charge protector, is that battery charges by described voltage transformation module under described TV set device operating state.
4. TV set device as claimed in claim 3 is characterized in that, described civil power input switch module also can manually be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206981272U CN201957155U (en) | 2010-12-31 | 2010-12-31 | Energy saving television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206981272U CN201957155U (en) | 2010-12-31 | 2010-12-31 | Energy saving television set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201957155U true CN201957155U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206981272U Expired - Fee Related CN201957155U (en) | 2010-12-31 | 2010-12-31 | Energy saving television set |
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| Country | Link |
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| CN (1) | CN201957155U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252840A (en) * | 2014-09-11 | 2014-12-31 | 天津三星电子有限公司 | Driving circuit |
| CN105823182A (en) * | 2016-04-18 | 2016-08-03 | 海信（山东）空调有限公司 | Standby control circuit and air conditioner |
| CN108538015A (en) * | 2018-03-21 | 2018-09-14 | 上海新奥新能源技术有限公司 | A kind of monitoring device and method of burnt gas valve well |
| CN108737756A (en) * | 2018-04-24 | 2018-11-02 | 康佳集团股份有限公司 | A kind of power control method and its television set based on television set |
| CN110881112A (en) * | 2019-11-27 | 2020-03-13 | 常州机电职业技术学院 | Standby power-off energy saver for television and related equipment |
| CN110996027A (en) * | 2019-12-27 | 2020-04-10 | 深圳康佳电子科技有限公司 | Standby circuit, method and television |
-
2010
- 2010-12-31 CN CN2010206981272U patent/CN201957155U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252840A (en) * | 2014-09-11 | 2014-12-31 | 天津三星电子有限公司 | Driving circuit |
| CN105823182A (en) * | 2016-04-18 | 2016-08-03 | 海信（山东）空调有限公司 | Standby control circuit and air conditioner |
| CN108538015A (en) * | 2018-03-21 | 2018-09-14 | 上海新奥新能源技术有限公司 | A kind of monitoring device and method of burnt gas valve well |
| CN108737756A (en) * | 2018-04-24 | 2018-11-02 | 康佳集团股份有限公司 | A kind of power control method and its television set based on television set |
| CN110881112A (en) * | 2019-11-27 | 2020-03-13 | 常州机电职业技术学院 | Standby power-off energy saver for television and related equipment |
| CN110996027A (en) * | 2019-12-27 | 2020-04-10 | 深圳康佳电子科技有限公司 | Standby circuit, method and television |
| CN110996027B (en) * | 2019-12-27 | 2022-07-05 | 深圳康佳电子科技有限公司 | Standby circuit, method and television |
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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: 20110831 Termination date: 20131231 |