CN202712965U - Intelligentization energy-saving system capable of automatic switches between AC (alternating current) power supply and battery - Google Patents
Intelligentization energy-saving system capable of automatic switches between AC (alternating current) power supply and battery Download PDFInfo
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- CN202712965U CN202712965U CN2012203348056U CN201220334805U CN202712965U CN 202712965 U CN202712965 U CN 202712965U CN 2012203348056 U CN2012203348056 U CN 2012203348056U CN 201220334805 U CN201220334805 U CN 201220334805U CN 202712965 U CN202712965 U CN 202712965U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model discloses an intelligentization energy-saving system capable of automatic switches between an AC power supply and a battery. The system comprises a one-chip microcomputer, a DC/DC converter, an AC-DC detecting and converting circuit, a first voltage stabilizer, a second voltage stabilizer, a battery, an AC/DC converter and an AC/DC auxiliary converter, wherein, the input ends of the AC/DC converter and the AC/DC auxiliary converter are both in parallel connection with an AC power supply. The output end of the AC/DC converter and the output end of the battery are electrically connected with a load respectively through a switch K1 and a switch K2. The one-chip microcomputer controls the on-off states of the switch K1 and the switch K2. The one-chip microcomputer further controls the on-off states of the AC/DC converter and the AC-DC detecting and converting circuit according to feedback from the load. The system provided in the utility model not only enables automatic switches between the AC/DC converter and the battery as the power but also has excellent energy-saving performances, especially when the battery serves as the power and is in a standby state. The using demands of a user are then satisfied.
Description
Technical field
The utility model relates to the energy conserving system technology, relates in particular to a kind of AC power and battery and automatically changes the Intelligent energy-saving system.
Background technology
Electric tool (for example, percussion drill, dust catcher etc.) normal operation AC power, but then use battery power to drive in the local or inconvenient place that connects AC power that does not have AC power.No matter use AC power, still use battery power, when product is not worked, require again the reduce no-load power consumption.The Energy Star of the U.S. has been made requirement to the power factor of each electric appliances, efficient, no-load power consumption etc., and China, Europe and other countries and regions also can be adopted future.
Therefore, a kind of AC power and battery of automaticallying switch of exploitation becomes as the institute that the power-actuated energy conserving system of load becomes industry.
The utility model content
The problem that exists in order to solve above-mentioned prior art, the purpose of this utility model is to provide a kind of AC power and battery automatically to change the Intelligent energy-saving system.
To achieve these goals, the technical solution adopted in the utility model content is specific as follows:
A kind of AC power and battery are changed the Intelligent energy-saving system automatically, and it comprises single-chip microcomputer, the DC/DC transducer, alternating current-direct current detects and change-over circuit, the first pressurizer, the second pressurizer, battery, input and AC power and the AC/DC transducer that connects and AC/DC auxiliary converter; The output of AC/DC transducer and the output of battery are electrically connected load by K switch 1 and K switch 2 respectively; The break-make of described Single-chip Controlling K switch 1 and K switch 2; The first output of AC/DC auxiliary converter connects the working power end of single-chip microcomputer by the DC/DC transducer; The second output of AC/DC auxiliary converter and the output of battery all are connected in the input of DC/DC transducer successively by described alternating current-direct current detection and change-over circuit and the first pressurizer; Described alternating current-direct current detects and the output of change-over circuit connects single-chip microcomputer; The output of battery also connects the sleep power end of single-chip microcomputer by the second pressurizer; Described single-chip microcomputer also controls described AC/DC transducer according to load feedback and alternating current-direct current detects and the break-make of change-over circuit.
In order to prevent that electric current from flowing backwards to AC/DC transducer and battery from load, AC power of the present utility model and battery are automatically changed the Intelligent energy-saving system and are also comprised diode D1 and diode D2; The output of described AC/DC transducer is electrically connected load by diode D1 and K switch 1; The output of described battery is electrically connected load by diode D2 and K switch 2.
In order to prevent that electric current from flowing backwards to the AC/DC auxiliary converter from the DC/DC transducer, AC power of the present utility model and battery are automatically changed the Intelligent energy-saving system and are also comprised diode D3; The first output of described AC/DC auxiliary converter is connected the working power end of single-chip microcomputer successively with the DC/DC transducer by diode D3.
In order to prevent that electric current from flowing backwards to the first pressurizer from the DC/DC transducer, AC power of the present utility model and battery are automatically changed the Intelligent energy-saving system and are also comprised diode D5, the output of described battery detects and change-over circuit by described alternating current-direct current successively, and the first pressurizer and diode D5 are connected in the first output of AC/DC auxiliary converter.
In order to prevent that electric current from flowing backwards to the second pressurizer from the sleep power end of single-chip microcomputer, AC power of the present utility model and battery are automatically changed the Intelligent energy-saving system and are also comprised diode D6, and the output of described battery also is connected the sleep power end of single-chip microcomputer successively with diode D6 by the second pressurizer.
Particularly, described alternating current-direct current detection and change-over circuit comprise diode D4, voltage-stabiliser tube, resistance R 2, resistance R 3, resistance R 4, P-channel enhancement type metal-oxide-semiconductor Q1, PNP triode Q2, voltage comparator, resistance R 7, resistance R 8, resistance R 9, resistance R 10 and resistance R 11; The second output of described AC/DC auxiliary converter is by resistance R 2 and voltage-stabiliser tube ground connection; The second output of described AC/DC auxiliary converter also is divided into two branch roads by diode D4, and ground connection behind branch road contact resistance R3 wherein is connected in the base stage of PNP triode Q2 behind another branch road contact resistance R4; Described single-chip microcomputer detect between resistance R 2 and voltage-stabiliser tube current potential and according to the break-make of this control of Electric potentials K switch 1 and K switch 2; Be connected to the positive and negative polarities of battery output after described resistance R 7 and resistance R 8 serial connections; The negative input end of voltage comparator is connected in the tie point place of resistance R 7 and resistance R 8; Be connected in the negative pole of battery output behind the positive input terminal contact resistance R9 of described voltage comparator; The output of voltage comparator connects the grid of P-channel enhancement type metal-oxide-semiconductor Q1; The drain electrode of P-channel enhancement type metal-oxide-semiconductor Q1 connects the emitter of PNP triode Q2; The source electrode of P-channel enhancement type metal-oxide-semiconductor Q1 connects the positive pole of battery output; The collector electrode of described PNP triode Q2 connects the first pressurizer by resistance R 11; Described resistance R 10 1 ends are connected in the positive input terminal of voltage comparator, and the other end receives the sleep signal that sends according to load of single-chip microcomputer, and utilize the break-make of this sleep signal control P-channel enhancement type metal-oxide-semiconductor Q1; Described sleep signal also can be controlled the break-make of AC/DC transducer.
Particularly, described K switch 1 can be switching tube or relay or contactor.
Particularly, described K switch 2 can be switching tube or relay or contactor.
It is specific as follows that AC power of the present utility model and battery are changed the operation principle of Intelligent energy-saving system automatically:
When AC power and battery were changed the Intelligent energy-saving system works automatically, single-chip microcomputer sent the normal operation of low level sleep signal control AC/DC transducer.And the signal of the second output of AC/DC auxiliary converter is directly controlled conducting or the disconnection of PNP triode Q2, and the first output output+12V voltage of AC/DC auxiliary converter then by the DC/DC transducer transfer to again+5V voltage is as the operating voltage of single-chip microcomputer.Single-chip microcomputer detects the current potential between resistance R 2 and voltage-stabiliser tube, if this current potential is high level, then single-chip microcomputer sends instruction the K switch 2 between battery and the load is disconnected, load with AC power as power.At this moment, no matter P-channel enhancement type metal-oxide-semiconductor Q1 is in the state that conducting still disconnects, because the base stage of PNP triode Q2 is high level, and greater than the level of the emitter of PNP triode Q2, so PNP triode Q2 can conducting, this moment single-chip microcomputer working power end, K switch 1, the energy of the circuit elements such as diode D1 provides by AC power, simultaneously because not conducting of PNP triode Q2, the second output that is equivalent to the AC/DC auxiliary converter disconnects, so energy that also can consuming cells.
In the above course of work, in case AC power is disconnected (namely not having AC power), because single-chip microcomputer still sends low level sleep signal, so output output low level of voltage comparator, P-channel enhancement type metal-oxide-semiconductor Q1 conducting, the drain electrode of P-channel enhancement type metal-oxide-semiconductor Q1 (being the emitter of PNP triode Q2) is high level, and the base stage of PNP triode Q2 is low level, so PNP triode Q2 conducting.Battery provides energy, the single-chip microcomputer normal operation by the first pressurizer and DC/DC transducer for the working power end of single-chip microcomputer successively.And, because AC power is disconnected, so the current potential that this moment, single-chip microcomputer detected between resistance R 2 and voltage-stabiliser tube just is low level, single-chip microcomputer will send instruction and made K switch 2 closures between battery and load this moment, provided power (being that energy arrives load by battery through K switch 2 and diode D2) by battery to load.
Simultaneously, when providing power with AC power, if load is not worked, be low level by load feedback just to the current sensing signal of single-chip microcomputer so, single-chip microcomputer sends the sleep signal of high level at this moment, and the AC/DC transducer is just quit work.But, the first output of AC/DC auxiliary converter still can be by the operating voltage of DC/DC transducer output+5V voltage as single-chip microcomputer, but other load is (such as the AC/DC transducer, K switch 1 and diode D1) disconnect by Single-chip Controlling, therefore whole AC power and battery are changed the Intelligent energy-saving system automatically only needs provide+operating voltage of 5V to single-chip microcomputer, and energy consumption is extremely low.
And when providing power with battery, if load is not worked, be low level by load feedback just to the current sensing signal of single-chip microcomputer so, single-chip microcomputer sends the sleep signal of high level, make the output output high level of voltage comparator, this moment, P-channel enhancement type metal-oxide-semiconductor Q1 disconnected, and can send by the DC/DC transducer working power end (because of this moment also AC-less power) of single-chip microcomputer to without any electric current.And, other load (such as K switch 2 and diode D2) disconnects by Single-chip Controlling, battery only carries electric current to the sleep power end of single-chip microcomputer by the second pressurizer, only provide single-chip microcomputer the most basic keep voltage (approximately about 3V voltage), therefore consume when providing power with AC power lower.
Compared with prior art, the utility model has produced following beneficial effect:
The Intelligent energy-saving system that automatically changes AC power of the present utility model and battery not only can realize AC/DC transducer and battery as the automatic conversion of power, and energy-efficient performance is good, satisfies user's user demand.
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the main circuit structure schematic diagram that AC power of the present utility model and battery are changed the Intelligent energy-saving system automatically;
Fig. 2 is the control circuit structural representation of Fig. 1.
Wherein, Fig. 1 and Fig. 2's is combined into the electrical block diagram that AC power of the present utility model and battery are changed the Intelligent energy-saving system automatically.
Embodiment
As depicted in figs. 1 and 2, AC power of the present utility model and battery B change the Intelligent energy-saving system automatically, it mainly comprises single-chip microcomputer, the DC/DC transducer, alternating current-direct current detects and change-over circuit, the first pressurizer, the second pressurizer, battery B, input and AC power and the AC/DC transducer that connects and AC/DC auxiliary converter; The output of the output of AC/DC transducer and battery B is electrically connected load by K switch 1 and K switch 2 respectively; The break-make of described Single-chip Controlling K switch 1 and K switch 2; The first output of AC/DC auxiliary converter connects the working power end (not shown) of single-chip microcomputer by the DC/DC transducer; The second output of AC/DC auxiliary converter and the output of battery B all are connected in the input of DC/DC transducer successively by described alternating current-direct current detection and change-over circuit and the first pressurizer; Described alternating current-direct current detects and the output of change-over circuit connects single-chip microcomputer; The output of battery B also connects the sleep power end (not shown) of single-chip microcomputer by the second pressurizer; Described single-chip microcomputer also controls described AC/DC transducer according to load feedback and alternating current-direct current detects and the break-make of change-over circuit.
In order to prevent that electric current from flowing backwards to AC/DC transducer and battery B from load, AC power of the present utility model and battery B automatically change the Intelligent energy-saving system and also comprise diode D1 and diode D2; The output of described AC/DC transducer is electrically connected load by diode D1 and K switch 1; The output of described battery B is electrically connected load by diode D2 and K switch 2.
In order to prevent that electric current from flowing backwards to the AC/DC auxiliary converter from the DC/DC transducer, AC power of the present utility model and battery B automatically change the Intelligent energy-saving system and also comprise diode D3; The first output of described AC/DC auxiliary converter is connected the working power end of single-chip microcomputer successively with the DC/DC transducer by diode D3.
In order to prevent that electric current from flowing backwards to the first pressurizer from the DC/DC transducer, AC power of the present utility model and battery B automatically change the Intelligent energy-saving system and also comprise diode D5, the output of described battery B detects and change-over circuit by described alternating current-direct current successively, and the first pressurizer and diode D5 are connected in the first output of AC/DC auxiliary converter.
In order to prevent that electric current from flowing backwards to the second pressurizer from the sleep power end of single-chip microcomputer, AC power of the present utility model and battery B automatically change the Intelligent energy-saving system and also comprise diode D6, and the output of described battery B also is connected the sleep power end of single-chip microcomputer successively with diode D6 by the second pressurizer.
Particularly, described alternating current-direct current detection and change-over circuit comprise diode D4, voltage-stabiliser tube T, resistance R 2, resistance R 3, resistance R 4, P-channel enhancement type metal-oxide-semiconductor Q1, PNP triode Q2, voltage comparator W, resistance R 7, resistance R 8, resistance R 9, resistance R 10 and resistance R 11; The second output of described AC/DC auxiliary converter is by resistance R 2 and voltage-stabiliser tube T ground connection; The second output of described AC/DC auxiliary converter also is divided into two branch roads by diode D4, and ground connection behind branch road contact resistance R3 wherein is connected in the base stage of PNP triode Q2 behind another branch road contact resistance R4; Described single-chip microcomputer detect between resistance R 2 and voltage-stabiliser tube T current potential and according to the break-make of this control of Electric potentials K switch 1 and K switch 2; Be connected to the positive and negative polarities of battery B output after described resistance R 7 and resistance R 8 serial connections; The negative input end of voltage comparator W is connected in the tie point place of resistance R 7 and resistance R 8; Be connected in the negative pole of battery B output behind the positive input terminal contact resistance R9 of described voltage comparator W; The output of voltage comparator W connects the grid of P-channel enhancement type metal-oxide-semiconductor Q1; The drain electrode of P-channel enhancement type metal-oxide-semiconductor Q1 connects the emitter of PNP triode Q2; The source electrode of P-channel enhancement type metal-oxide-semiconductor Q1 connects the positive pole of battery B output; The collector electrode of described PNP triode Q2 connects the first pressurizer by resistance R 11; Described resistance R 10 1 ends are connected in the positive input terminal of voltage comparator W, and the other end receives the sleep signal that sends according to load of single-chip microcomputer, and utilize the break-make of this sleep signal control P-channel enhancement type metal-oxide-semiconductor Q1; Described sleep signal also can be controlled the break-make of AC/DC transducer.
Particularly, described K switch 1 can be switching tube or relay or contactor.
Particularly, described K switch 2 can be switching tube or relay or contactor.
It is specific as follows that AC power of the present utility model and battery B change the operation principle of Intelligent energy-saving system automatically:
When AC power and battery B changed the Intelligent energy-saving system works automatically, single-chip microcomputer sent the normal operation of low level sleep signal control AC/DC transducer.And the second output of AC/DC auxiliary converter is directly exported+12V voltage detects and change-over circuit for alternating current-direct current, and the first output of AC/DC auxiliary converter is also exported+12V voltage then by the DC/DC transducer transfer to again+5V voltage is as the operating voltage of single-chip microcomputer.Single-chip microcomputer detects the current potential between resistance R 2 and voltage-stabiliser tube T, if this current potential is high level, then single-chip microcomputer sends instruction the K switch 2 between battery B and the load is disconnected, load with AC power as power.At this moment, no matter P-channel enhancement type metal-oxide-semiconductor Q1 is in the state that conducting still disconnects, because the base stage of PNP triode Q2 is high level, and greater than the level of the emitter of PNP triode Q2, so PNP triode Q2 can conducting, this moment single-chip microcomputer working power end, K switch 1, the energy of the circuit elements such as diode D1 provides by AC power, simultaneously because not conducting of PNP triode Q2, the second output that is equivalent to the AC/DC auxiliary converter disconnects, so energy that also can consuming cells B.
In the above course of work, in case AC power is disconnected (namely not having AC power), because single-chip microcomputer still sends low level sleep signal, so output output low level of voltage comparator W, P-channel enhancement type metal-oxide-semiconductor Q1 conducting, the drain electrode of P-channel enhancement type metal-oxide-semiconductor Q1 (being the emitter of PNP triode Q2) is high level, and the base stage of PNP triode Q2 is low level, so PNP triode Q2 conducting.Battery B provides energy, the single-chip microcomputer normal operation by the first pressurizer and DC/DC transducer for the working power end of single-chip microcomputer successively.And, because AC power is disconnected, so the current potential that this moment, single-chip microcomputer detected between resistance R 2 and voltage-stabiliser tube T just is low level, single-chip microcomputer will send instruction and made K switch 2 closures between battery B and load this moment, provided power (being that energy arrives load by battery B through K switch 2 and diode D2) by battery B to load.
Simultaneously, when providing power with AC power, if load is not worked, be low level by load feedback just to the current sensing signal of single-chip microcomputer so, single-chip microcomputer sends the sleep signal of high level at this moment, and the AC/DC transducer is just quit work.But, the first output of AC/DC auxiliary converter still can be by the operating voltage of DC/DC transducer output+5V voltage as single-chip microcomputer, but other load is (such as the AC/DC transducer, K switch 1 and diode D1) disconnect by Single-chip Controlling, therefore whole AC power and battery B change the Intelligent energy-saving system automatically only needs provide+operating voltage of 5V to single-chip microcomputer, and energy consumption is extremely low.
And when providing power with battery B, if load is not worked, be low level by load feedback just to the current sensing signal of single-chip microcomputer so, single-chip microcomputer sends the sleep signal of high level, make the output output high level of voltage comparator W, this moment, P-channel enhancement type metal-oxide-semiconductor Q1 disconnected, and can send by the DC/DC transducer working power end (because of this moment also AC-less power) of single-chip microcomputer to without any electric current.And, other load (such as K switch 2 and diode D2) disconnects by Single-chip Controlling, battery B only carries electric current to the sleep power end of single-chip microcomputer by the second pressurizer, only provide single-chip microcomputer the most basic keep voltage (approximately about 3V voltage), therefore consume when providing power with AC power lower.
Automatically change concrete structure and the operation principle of Intelligent energy-saving system based on above-mentioned AC power of the present utility model and battery B and can learn that AC power of the present utility model and battery B automatically change the Intelligent energy-saving system and can be achieved as follows function:
(1) as long as suitable AC power exists, load will be used as power with AC power after connecting; When only having suitable AC power not exist, load just can use battery B to be used as power after connecting;
(2) even using battery B to be used as power, at the duration of work of load, in case the AC power access will be carried out power and automatically switch, provide power by AC power, battery B stops to provide power; Otherwise, using AC power to be used as power, load on duration of work, in case AC power is cut off, also can carries out power and automatically switch: by battery B automatically access power is provided, but then stop to provide power during battery B energy shortage, load can not be carried out work.
(3) no matter use AC power or battery B is used as power, as long as load is not started working, will automatically enter sleep state (can set suitable time-delay), so that energy-saving and cost-reducing.
(4) between sleep period, except single-chip microcomputer consumes operating voltage when existing (be directed to AC power) or the most basic voltage of keeping (does not exist for AC power, when only having battery B) outside, other circuit elements (as, AC/DC transducer, K switch 1, K switch 2, diode D1, diode D2 etc.) all be in power failure state (being off-state).
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection range of the utility model claim all.
Claims (8)
1. an AC power and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: it comprises single-chip microcomputer, the DC/DC transducer, alternating current-direct current detects and change-over circuit, the first pressurizer, the second pressurizer, battery, input and AC power and the AC/DC transducer that connects and AC/DC auxiliary converter; The output of AC/DC transducer and the output of battery are electrically connected load by K switch 1 and K switch 2 respectively; The break-make of described Single-chip Controlling K switch 1 and K switch 2; The first output of AC/DC auxiliary converter connects the working power end of single-chip microcomputer by the DC/DC transducer; The second output of AC/DC auxiliary converter and the output of battery all are connected in the input of DC/DC transducer successively by described alternating current-direct current detection and change-over circuit and the first pressurizer; Described alternating current-direct current detects and the output of change-over circuit connects single-chip microcomputer; The output of battery also connects the sleep power end of single-chip microcomputer by the second pressurizer; Described single-chip microcomputer also controls described AC/DC transducer according to load feedback and alternating current-direct current detects and the break-make of change-over circuit.
2. AC power as claimed in claim 1 and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: also comprise diode D1 and diode D2; The output of described AC/DC transducer is electrically connected load by diode D1 and K switch 1; The output of described battery is electrically connected load by diode D2 and K switch 2.
3. AC power as claimed in claim 2 and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: also comprise diode D3; The first output of described AC/DC auxiliary converter is connected the working power end of single-chip microcomputer successively with the DC/DC transducer by diode D3.
4. AC power as claimed in claim 3 and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: also comprise diode D5, the output of described battery detects and change-over circuit by described alternating current-direct current successively, and the first pressurizer and diode D5 are connected in the first output of AC/DC auxiliary converter.
5. AC power as claimed in claim 4 and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: also comprise diode D6, the output of described battery also is connected the sleep power end of single-chip microcomputer successively with diode D6 by the second pressurizer.
6. automatically change the Intelligent energy-saving system such as any one described AC power of claim 1-5 and battery, it is characterized in that: described alternating current-direct current detects and change-over circuit comprises diode D4, voltage-stabiliser tube, resistance R 2, resistance R 3, resistance R 4, P-channel enhancement type metal-oxide-semiconductor Q1, PNP triode Q2, voltage comparator, resistance R 7, resistance R 8, resistance R 9, resistance R 10 and resistance R 11; The second output of described AC/DC auxiliary converter is by resistance R 2 and voltage-stabiliser tube ground connection; The second output of described AC/DC auxiliary converter also is divided into two branch roads by diode D4, and ground connection behind branch road contact resistance R3 wherein is connected in the base stage of PNP triode Q2 behind another branch road contact resistance R4; Described single-chip microcomputer detect between resistance R 2 and voltage-stabiliser tube current potential and according to the break-make of this control of Electric potentials K switch 1 and K switch 2; Be connected to the positive and negative polarities of battery output after described resistance R 7 and resistance R 8 serial connections; The negative input end of voltage comparator is connected in the tie point place of resistance R 7 and resistance R 8; Be connected in the negative pole of battery output behind the positive input terminal contact resistance R9 of described voltage comparator; The output of voltage comparator connects the grid of P-channel enhancement type metal-oxide-semiconductor Q1; The drain electrode of P-channel enhancement type metal-oxide-semiconductor Q1 connects the emitter of PNP triode Q2; The source electrode of P-channel enhancement type metal-oxide-semiconductor Q1 connects the positive pole of battery output; The collector electrode of described PNP triode Q2 connects the first pressurizer by resistance R 11; Described resistance R 10 1 ends are connected in the positive input terminal of voltage comparator, and the other end receives the sleep signal that sends according to load of single-chip microcomputer, and utilize the break-make of this sleep signal control P-channel enhancement type metal-oxide-semiconductor Q1; Described sleep signal also can be controlled the break-make of AC/DC transducer.
7. AC power as claimed in claim 6 and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: described K switch 1 can be switching tube or relay or contactor.
8. AC power as claimed in claim 6 and battery are changed the Intelligent energy-saving system automatically, it is characterized in that: described K switch 2 can be switching tube or relay or contactor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203348056U CN202712965U (en) | 2011-12-23 | 2012-07-11 | Intelligentization energy-saving system capable of automatic switches between AC (alternating current) power supply and battery |
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| CN201120549028.2 | 2011-12-23 | ||
| CN201120549028 | 2011-12-23 | ||
| CN2012203348056U CN202712965U (en) | 2011-12-23 | 2012-07-11 | Intelligentization energy-saving system capable of automatic switches between AC (alternating current) power supply and battery |
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| CN111564834B (en) * | 2020-04-13 | 2024-04-16 | 上海紫通信息科技有限公司 | Power supply method of distribution terminal tester and storage battery activation method |
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2012
- 2012-07-11 CN CN2012203348056U patent/CN202712965U/en not_active Expired - Fee Related
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| CN104333113B (en) * | 2014-10-31 | 2017-12-05 | 许继电气股份有限公司 | A kind of power circuit |
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| CN111030293A (en) * | 2020-01-02 | 2020-04-17 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Main and standby power supply switching circuit |
| CN111564834A (en) * | 2020-04-13 | 2020-08-21 | 上海紫通信息科技有限公司 | Power supply method for power distribution terminal tester and storage battery activation method |
| CN111564834B (en) * | 2020-04-13 | 2024-04-16 | 上海紫通信息科技有限公司 | Power supply method of distribution terminal tester and storage battery activation method |
| CN111900795A (en) * | 2020-08-28 | 2020-11-06 | 苏州浪潮智能科技有限公司 | Power supply circuit of BBU internal control circuit in cold standby mode |
| CN113437784A (en) * | 2021-08-25 | 2021-09-24 | 钰泰半导体南通有限公司 | Voltage regulation and control circuit and charging device |
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Effective date of registration: 20160825 Address after: 425000 Industrial Road, Hexi Industrial Zone, Lingling Industrial Zone, Lingling District, Yongzhou, Hunan Patentee after: Hunan tech-power Technology Co., Ltd. Address before: 518103 Guangdong city of Shenzhen province Baoan District Fuyong street community baishixia Longwangmiao Industrial Zone sixteenth, nineteenth Patentee before: Songshun Electronic (Shenzhen) Co., Ltd. |
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