CN201312139Y - Power supply controller - Google Patents
Power supply controller Download PDFInfo
- Publication number
- CN201312139Y CN201312139Y CNU2008202015463U CN200820201546U CN201312139Y CN 201312139 Y CN201312139 Y CN 201312139Y CN U2008202015463 U CNU2008202015463 U CN U2008202015463U CN 200820201546 U CN200820201546 U CN 200820201546U CN 201312139 Y CN201312139 Y CN 201312139Y
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- Prior art keywords
- control chip
- power
- auxiliary control
- switch
- auxiliary
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Abstract
The utility model relates to a power supply controller used in household appliances. The power supply controller comprises a main power circuit, an auxiliary power circuit and a control circuit, wherein the control circuit includes an appliance control chip (4), a signal receiving device and an auxiliary control chip connected between the appliance control chip and the signal receiving device; and the auxiliary control chip can selectively switch on or off the main power circuit or the auxiliary power circuit according to the signals received by the signal receiving device. The power supply controller works in such a manner that the auxiliary control chip is powered by the auxiliary power source during standby so as to switch off the main power supply completely. When a power-on signal is present, the auxiliary control chip controls the power control device to switch on the main power supply so as to supply power to the appliance control chip. Accordingly, the AC standby power consumption of the entire appliance is reduced to zero, and the hidden dangers during standby are elimination.
Description
Technical field
The utility model relates to the household appliances field, relates in particular to the power-supply controller of electric that uses on a kind of household appliances.
Background technology
Raising along with development and national economy and living standards of the people, various electrical equipment have more and more entered common people's family, but power-supply controller of electric stand-by power consumption of the prior art is bigger, as shown in Figure 1, power-supply controller of electric of the prior art mainly comprises main power source, electrical equipment control chip and signal receiving device, to electrical equipment control chip and signal receiving device power supply, signal receiving device receives the control of remote controller signal and passes to the electrical equipment control chip AC power by main power source.When signal receiving device received shutdown command and give the electrical equipment control chip, electrical equipment entered holding state, but main power source so just makes stand-by power consumption bigger also in work at this moment.In the age of current electric power energy supply and demand anxiety, the stand-by power consumption of electrical equipment is very big, and this is a very rigorous and real problem, if can reduce the stand-by power consumption of electrical equipment, brings huge economic benefit will for the people and society.
Simultaneously owing to the custom reason, seldom there is the user to pull out supply socket during in standby at air-conditioning, also be in the forceful electric power electriferous state during electric appliance standby like this, this brings hidden danger with regard to the life security to the user.And because of the stand-by time of electrical equipment is longer, in this long time, the voltage instantaneous of electrical network changes can't expect that also particularly big thunder-strike current also can be scurried into electrical network, causes damage all can for the controller of electrical equipment, has increased the failure rate of electrical equipment.If, will reduce the failure rate and the potential safety hazard of eliminating the user of electrical equipment so when standby, disconnect the AC power of electrical equipment fully.
The utility model content
The purpose of this utility model provides a kind of stand-by power consumption of electrical equipment, power-supply controller of electric of the saving energy of reducing.
For achieving the above object, the utility model provides following technical scheme:
Power-supply controller of electric, comprise main power circuit, auxiliary power circuit and control circuit, described control circuit comprises electrical equipment control chip (4), signal receiving device and is connected auxiliary control chip (5) between described electrical equipment control chip (4) and the described signal receiving device, wherein, described auxiliary control chip (5) is according to the signal that receives from described signal receiving device, optionally connect described main power circuit or described auxiliary power circuit, perhaps optionally disconnect described main power circuit or described auxiliary power circuit;
Described main power circuit comprise AC power (1), main power source (3) and be connected described AC power (1) and described main power source (3) between power control (2), described auxiliary control chip (5) is controlled the connecting and disconnecting of described main power source (3) by described power control (2);
Described auxiliary power circuit comprises:
Solar cell (7), its series diode (D4), solar cell (7) are described auxiliary control chip (5) power supply when electric appliance standby;
Disposable battery (9), it is in parallel with the circuit that described solar cell (4), diode (D4) are formed; And
Switching device shifter (6) is connected between described auxiliary control chip (5) and the described solar cell (7), and switching device shifter (6) is connected between described auxiliary control chip (5) and the main power source (3) simultaneously, to switch the power supply source of auxiliary control chip (5);
Described electrical equipment control chip (4) is connected between described main power source (3) and the described auxiliary control chip (5).
The operation principle of above-mentioned power-supply controller of electric is: auxiliary control chip is powered by accessory power supply when standby, disconnects main power source fully.When starting-up signal, auxiliary control chip is controlled main power source by the control power control and is opened, and is the electrical equipment control chip power supply.Thereby make whole electrical equipment alternating current stand-by power consumption reduce to zero watt, the potential safety hazard when also having eliminated standby simultaneously.
Description of drawings
Fig. 1 is the structure principle chart of prior art power-supply controller of electric;
Fig. 2 is the structure principle chart of the utility model power-supply controller of electric;
Fig. 3 is the structure chart of power control in the power-supply controller of electric;
Fig. 4 is the structure chart of switching device shifter in the power-supply controller of electric;
Fig. 5 is the structure chart of switching device shifter in the first embodiment power-supply controller of electric;
Fig. 6 is the structure chart of switching device shifter in the second embodiment power-supply controller of electric.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Referring to Fig. 2, power-supply controller of electric comprises main power circuit, auxiliary power circuit and control circuit.
Control circuit comprises electrical equipment control chip 4, signal receiving device and is connected auxiliary control chip 5 between electrical equipment control chip 4 and the signal receiving device, wherein, auxiliary control chip 5 is according to the signal that receives from signal receiving device, optionally connect main power circuit or auxiliary power circuit, perhaps optionally disconnect main power circuit or auxiliary power circuit.Signal receiving device comprises first signal receiving device 10, secondary signal receiving system 11 and first electronic switch 12.First signal receiving device 10 is connected with auxiliary control chip 5 by first electronic switch 12.Secondary signal receiving system (11) is connected with auxiliary control chip (5).Be connected with power line by holding wire simultaneously between described signal receiving device and the auxiliary control chip 5.
Main power circuit comprise AC power 1, main power source 3 and be connected AC power 1 and main power source 3 between power control 2.Referring to Fig. 3, power control 2 comprises hand switch 21, second electronic switch 22 and drives the driver 23 of second electronic switch, 22 actions, be connected between AC power 1 and the main power source 3 after hand switch 21 and 22 parallel connections of second electronic switch, driver 23 is connected between second electronic switch 22 and the auxiliary control chip 5.Driver 23 is connected with auxiliary control chip 5 by power line and holding wire.Auxiliary control chip 5 is by the connecting and disconnecting of the driver 23 controls second electronics Ah switch 22.Electrical equipment control chip 4 is connected between main power source 3 and the auxiliary control chip 5.
Auxiliary power circuit comprises: solar cell 7, diode D4, disposable battery 9 and switching device shifter 6.Switching device shifter 6 is connected between auxiliary control chip 5 and the solar cell 7, and switching device shifter 6 is connected between auxiliary control chip 5 and the main power source 3 simultaneously, to switch the power supply source of auxiliary control chip 6.Referring to Fig. 4, switching device shifter 6 comprises: the 3rd electronic switch 61, quadrielectron switch 62 and level converter 63.The 3rd electronic switch 61 is connected between main power source 3 and the auxiliary control chip 5, and quadrielectron switch 62 is connected between solar cell 7 and the auxiliary control chip 5, and the 3rd electronic switch 61 and quadrielectron switch 62 can switch the power supply source of auxiliary control chip 5.Level converter 63 1 ends are connected with quadrielectron switch 62 with the 3rd electronic switch 61, and the other end is connected with auxiliary control chip 5, to regulate the voltage that solar cell 7 and disposable battery 9 offer auxiliary control chip 5.
Embodiment one
Referring to Fig. 5, in the present embodiment, the 3rd electronic switch in the switching device shifter 6 is diode D1, and quadrielectron switch is diode D2.
Each parts to this embodiment power-supply controller of electric describe in detail below:
Power control 2: its critical piece is second electronic switch 22, second electronic switch is subjected to the control of auxiliary control chip 5, also might there be a hand switch 21 in parallel in addition, after the user does not need idle function, can uses closed hand switch, can cancel with electronic switch 22.
Main power source 3: be meant the device that obtains the required DC power supply of each load of electrical equipment after the AC power conversion, main at present Switching Power Supply or the linear transformer etc. of adopting.
Electrical equipment control chip 4: it is the control chip in the power-supply controller of electric, and the running according to the program control electrical equipment that writes is generally microprocessor.
First signal receiving device 10: refer generally to comprise the bigger switching on and shutting down signal input apparatus of power consumption such as main infrared receiving terminal.
Secondary signal receiving system 11: the switching on and shutting down signal input apparatus that refers generally to comprise extremely low power dissipations such as infrared receiving terminal on duty, button, toggle switch.
First electronic switch 12: the power supply that is used to control first signal receiving device 10.Can realize with common triode.
Solar cell 7: be the device that luminous energy is converted into electric energy, the general at present solar cell that adopts silicon materials.
Disposable battery 9: can adopt long-life disposable battery.
The 3rd electronic switch 61: link to each other with main power source 3, the break-make of control main power source 3 adopts a diode D1 to realize in the present embodiment.
Quadrielectron switch 62: link to each other with accessory power supply, the break-make of control accessory power supply is a diode D2 in the present embodiment.
When the ceiling voltage of the voltage ratio solar cell 7 of main power source 3 and disposable battery 9 is taller, third and fourth electronic switch all can be formed for diode D1, D2, after power control 2 disconnects, main power source 3 does not have, solar cell 7 directly gives auxiliary control chip 5 power supplies by diode D4, D2, after second electronic switch 22 is connected, and main power source 3 energisings, because of main power source 3 than accessory power supply voltage height, so cut off the power supply of accessory power supply by diode D2.
Job order is:
Give auxiliary control chip 5 and secondary signal receiving system (infrared receiving terminal on duty) power supply by accessory power supply during standby, auxiliary control chip 5 is under the standby mode of low-power consumption.
(1): during start
(2): during shutdown
After auxiliary control chip 5 receives off signal by main infrared receiving terminal, earlier off signal is transmitted to electrical equipment control chip 4 electrical equipment is quit work; Next disconnect the power supply of main infrared receiving terminal by first electronic switch 12, power by solar cell 7 by switching device shifter 6, disconnect second electronic switch 22 again, main power source 3 is cut off the power supply fully, auxiliary control chip 5 also enters the holding state of low-power consumption, thereby realizes zero watt stand-by power consumption and improve standby safety.
(3): during standby
Accessory power supply comprises solar cell 7 and disposable battery 9, the output voltage of solar cell 7 is than disposable battery 9 voltage height, so standby current is all provided by solar cell 7, only just from disposable battery 9, obtain at the electric current of adhesive master infrared receiving terminal and connection second electronic switch 22, can improve the life-span of disposable battery 9 so greatly, also help increasing the standby current of infrared receiving terminal on duty, improve the sensitivity of its reception.
Embodiment two
The difference of present embodiment and embodiment one is:
Referring to Fig. 7, quadrielectron switch adopts two NPN triodes to form a simple electronic switch.
Wherein the base stage of triode Q1 is connected with the collector electrode of triode Q2, the emitter of triode Q1 is connected the back and is connected with level converter 63 with the negative electrode of diode D1, the other end of level converter 63 is connected with auxiliary control chip 5 by power line, the anode of diode D1 is connected with main power source 3, the collector electrode of triode Q1 is connected with solar cell 7, also is parallel with resistance R 1 between the base stage of triode Q1 and collector electrode.The base stage of triode Q2 is passed through resistance R 2, is connected the grounded emitter of triode Q2 with auxiliary control chip 5 with holding wire.In the present embodiment, be connected with holding wire by power line between second source controller 6 and the auxiliary control chip 5.
Because of considering that solar cell 7 is not having under the supplementary information of energy, As time goes on its voltage can descend, and auxiliary control chip 5 needs a stable voltage, so increased level converter 63, is adjusted to the voltage of auxiliary control chip 5.When the voltage of solar cell 7 hanged down, this level converter can be raised to the voltage of solar cell 7 the setting level, and when solar cell 7 voltages were higher, this device was reduced to the setting level with the voltage of solar cell 7.This level converter 63 can utilize special-purpose buck chip to realize.If auxiliary control chip 5 does not need constant supply power voltage, level converter 63 can omit.When the control signal from auxiliary control chip 5 is high level, the Q2 conducting, Q1 ends, and auxiliary control chip 5 is by main power source 3 power supplies.On the contrary, when control signal was low level, Q2 ended, the Q1 conducting, and auxiliary control chip 5 is powered by accessory power supply.
Certainly, the utility model power-supply controller of electric also can have other distortion.In a word, doing conspicuous change according to the prompting of the foregoing description, and other every changes that do not break away from the utility model essence, all should be included within the described scope of claim.
Claims (9)
1, power-supply controller of electric is characterized in that:
Comprise main power circuit, auxiliary power circuit and control circuit, described control circuit comprises electrical equipment control chip (4), signal receiving device and is connected auxiliary control chip (5) between described electrical equipment control chip (4) and the described signal receiving device, wherein, described auxiliary control chip (5) is according to the signal that receives from described signal receiving device, optionally connect described main power circuit or described auxiliary power circuit, perhaps optionally disconnect described main power circuit or described auxiliary power circuit;
Described main power circuit comprise AC power (1), main power source (3) and be connected described AC power (1) and described main power source (3) between power control (2), described auxiliary control chip (5) is controlled the connecting and disconnecting of described main power source (3) by described power control (2);
Described auxiliary power circuit comprises:
Solar cell (7), its series diode (D4), solar cell (7) are described auxiliary control chip (5) power supply when electric appliance standby;
Disposable battery (9), it is in parallel with the circuit that described solar cell (4), diode (D4) are formed; And
Switching device shifter (6) is connected between described auxiliary control chip (5) and the described solar cell (7), and switching device shifter (6) is connected between described auxiliary control chip (5) and the main power source (3) simultaneously, to switch the power supply source of auxiliary control chip (5);
Described electrical equipment control chip (4) is connected between described main power source (3) and the described auxiliary control chip (5).
2, power-supply controller of electric according to claim 1,
It is characterized in that:
Described signal receiving device comprises first signal receiving device (10), secondary signal receiving system (11) and first electronic switch (12);
First signal receiving device (10) is connected with auxiliary control chip (5) by first electronic switch (12);
Secondary signal receiving system (11) is connected with auxiliary control chip (5).
3, power-supply controller of electric according to claim 1 and 2,
It is characterized in that:
Power control (2) comprises hand switch (21), second electronic switch (22) and drives the driver (23) of described second electronic switch (22) action, be connected between described AC power (1) and the described main power source (3) after described hand switch (21) and described second electronic switch (22) parallel connection, described driver (23) is connected between described second electronic switch (22) and the described auxiliary control chip (5).
4, power-supply controller of electric according to claim 3,
It is characterized in that:
Described switching device shifter (6) comprising:
The 3rd electronic switch (61) and quadrielectron switch (62),
Described the 3rd electronic switch (61) is connected between described main power source (3) and the auxiliary control chip (5), quadrielectron switch (62) is connected between solar cell (7) and the auxiliary control chip (5), and described the 3rd electronic switch (61) and quadrielectron switch (62) can switch the power supply source of auxiliary control chip (5).
5, power-supply controller of electric according to claim 4,
It is characterized in that:
Described switching device shifter (6) also comprises:
Level converter (63), the one end is connected with quadrielectron switch (62) with the 3rd electronic switch (61), and the other end is connected with described auxiliary control chip (5), to regulate the voltage that described solar cell (7) offers described auxiliary control chip (5).
6, power-supply controller of electric according to claim 4,
It is characterized in that:
Described the 3rd electronic switch and quadrielectron switch are diode.
7, power-supply controller of electric according to claim 4,
It is characterized in that:
Described quadrielectron switch comprises at least two triodes.
8, power-supply controller of electric according to claim 3,
It is characterized in that:
Described driver (23) is connected with described auxiliary control chip (5) by power line and holding wire.
9, power-supply controller of electric according to claim 8,
It is characterized in that:
Between described switching device shifter (6) and the auxiliary control chip (5), be connected with power line by holding wire simultaneously between described signal receiving device and the auxiliary control chip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202015463U CN201312139Y (en) | 2008-10-07 | 2008-10-07 | Power supply controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202015463U CN201312139Y (en) | 2008-10-07 | 2008-10-07 | Power supply controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201312139Y true CN201312139Y (en) | 2009-09-16 |
Family
ID=41109393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202015463U Expired - Lifetime CN201312139Y (en) | 2008-10-07 | 2008-10-07 | Power supply controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201312139Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063171A (en) * | 2010-12-20 | 2011-05-18 | 南京博兰得电子科技有限公司 | Device and method for improving power supply efficiency of computer |
| WO2011095132A1 (en) * | 2010-02-05 | 2011-08-11 | 苏州宝时得电动工具有限公司 | Charger |
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electrical appliance as well as control circuit and method thereof |
| CN103631159A (en) * | 2012-08-21 | 2014-03-12 | 纬创资通股份有限公司 | Electronic device, electronic system and operation method thereof |
| CN104935842A (en) * | 2015-06-12 | 2015-09-23 | 深圳Tcl新技术有限公司 | Standby circuit, control method and television system of standby circuit |
| 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 |
-
2008
- 2008-10-07 CN CNU2008202015463U patent/CN201312139Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011095132A1 (en) * | 2010-02-05 | 2011-08-11 | 苏州宝时得电动工具有限公司 | Charger |
| CN102063171A (en) * | 2010-12-20 | 2011-05-18 | 南京博兰得电子科技有限公司 | Device and method for improving power supply efficiency of computer |
| CN103023129A (en) * | 2011-09-22 | 2013-04-03 | 珠海格力电器股份有限公司 | Electrical appliance as well as control circuit and method thereof |
| CN103631159A (en) * | 2012-08-21 | 2014-03-12 | 纬创资通股份有限公司 | Electronic device, electronic system and operation method thereof |
| CN104935842A (en) * | 2015-06-12 | 2015-09-23 | 深圳Tcl新技术有限公司 | Standby circuit, control method and television system of standby circuit |
| CN104935842B (en) * | 2015-06-12 | 2019-04-16 | 深圳Tcl新技术有限公司 | The control method and television system of stand-by circuit, stand-by circuit |
| 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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
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| CX01 | Expiry of patent term |