CN202535286U - Household emergency power supply - Google Patents
Household emergency power supply Download PDFInfo
- Publication number
- CN202535286U CN202535286U CN2012202267206U CN201220226720U CN202535286U CN 202535286 U CN202535286 U CN 202535286U CN 2012202267206 U CN2012202267206 U CN 2012202267206U CN 201220226720 U CN201220226720 U CN 201220226720U CN 202535286 U CN202535286 U CN 202535286U
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- Prior art keywords
- power supply
- circuit
- emergency power
- transformer
- household
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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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- 230000010355 oscillation Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 30
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920004934 Dacron® Polymers 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Classifications
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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
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- Inverter Devices (AREA)
Abstract
The utility model belongs to the field of electronic technology and emergency power supply technology, and relates to a household emergency power supply. The household emergency power supply comprises a 6-volt direct current power supply, a transformer coupling inductance-capacitance (LC) oscillating circuit, an oscillation frequency adjusting circuit of the transformer coupling LC oscillating circuit, a voltage boosting circuit and a 220-volt power supply socket CZ. When a power supply line is in a power outage state suddenly, the household emergency power supply utilizes a storage battery as a power supply and is made by means of inverter technology, and practical experiences show that the method of the household emergency power supply is real and practicable. The household emergency power supply is suitable for being matched with a fluorescent lamp, an energy saving lamp, a notebook computer, a 21-inch color television and other low-powered household appliances, can meet emergency lighting requirements after the power supply line is in the short time power shortage state, and is suitable for emergency lighting and a fire-fighting emergency power supply of various small size public places. By means of power supplying of the 6-volt and 7-ampere-hour maintenance-free storage battery, full load lighting time of the household emergency power supply is longer than half an hour.
Description
Technical field
The utility model belongs to electronic technology and emergency power supply technical field, is about a kind of family expenses emergency power supply.
Background technology
People are increasingly high to the dependency degree of power supply now, particularly to power supply in evening interruption in a single day, bring very big influence will for people's operate as normal, living and studying.The family expenses emergency power supply is the stand-by power supply that is totally independent of outside the utility grid.Emergency power supply commonly used mainly contains three kinds: be independent of the generating set of mains supply, like diesel engine generator; Special supply line outside the circuit commonly used is commonly called as double circuit power supply; With the inverter of storage battery as the making of power utilization inversion transformation technique.Practical experience shows: supply line has a power failure suddenly, and the family expenses emergency power supply is more real feasible with the third mode.
The described family expenses emergency power supply of the utility model is fit to small-power household electrical appliance such as adapted fluorescent lamp, electricity-saving lamp, notebook computer, 21 inch colour TVs; Can satisfy the emergency lighting requirement after supply line's short time has a power failure, also be applicable to the emergency lighting or the fire-fighting emergency power supply of various small-sized public places; Select 6V, the power supply of 7AH maintenance free cell for use, this emergency power supply full load lighting hours is greater than half an hour.
Below specify the described family expenses emergency power supply of the utility model related relevant technologies content in implementation process.
The utility model content
Goal of the invention and beneficial effect: with the inverter of storage battery as the making of power utilization inversion transformation technique.Practical experience shows: supply line has a power failure suddenly, and relatively reality is feasible by this way for the family expenses emergency power supply.The described family expenses emergency power supply of the utility model is fit to small-power household electrical appliance such as adapted fluorescent lamp, electricity-saving lamp, notebook computer, 21 inch colour TVs; Can satisfy the emergency lighting requirement after supply line's short time has a power failure, also be applicable to the emergency lighting or the fire-fighting emergency power supply of various small-sized public places; Select 6V, the power supply of 7AH maintenance free cell for use, this emergency power supply full load lighting hours is greater than half an hour.
Technical scheme: the family expenses emergency power supply, it comprises 6V DC power supply, transformer coupled LC oscillating circuit and frequency of oscillation regulating circuit thereof, booster circuit and 220V supply socket CZ, it is characterized in that:
Transformer coupled LC oscillating circuit and frequency of oscillation regulating circuit thereof: form by the vibration winding L 1 of NPN transistor VT1, NPN transistor VT2, transformer B, feedback winding L 2, linear potentiometer RP, resistance R 1 and the capacitor C 1 of transformer B; The end of the base stage connecting resistance R1 of NPN transistor VT2 and an end of capacitor C 1; The end of the other end wiring property potentiometer RP of resistance R 1; The anodal VCC of the other end of linear potentiometer RP and lever arm connection circuit thereof; The collector electrode of the collector electrode of NPN transistor VT1 and NPN transistor VT2 connects the vibration winding L 1 different name end of transformer B; The emitter of NPN transistor VT2 connects the base stage of NPN transistor VT1, the emitter connection circuit ground GND of NPN transistor VT1, the anodal VCC of vibration winding L 1 termination circuit of the same name of transformer B; Another termination transformer B feedback winding L 2 ends of the same name of capacitor C 1, the feedback winding L 2 different name termination circuit ground GND of transformer B;
Booster circuit: winding L 3 two ends of boosting of transformer B are connected on the two ends of 220V supply socket CZ respectively.
The anodal VCC of 6V dc power anode connection circuit, the 6V dc power cathode links to each other with circuit ground GND.
The circuit working principle: the family expenses emergency power supply is formed Darlington by NPN transistor VT1, VT2, and the vibration winding L 1 of transformer B, feedback winding L 2 and capacitor C 1 constitute transformer coupled LC oscillating circuit.For Darlington VT1, VT2 the offset operation electric current is provided through linear potentiometer RP and resistance R 1, linear adjustment potentiometer RP can control the power output in the emergent source of electricity.The winding L 3 output 220V alternating currents that boost by transformer B promote loaded work piece.
Description of drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the utility model provides a family expenses emergency power supply; The pore that identifies on the transformer B winding in the accompanying drawing 1 is expressed as end of the same name.
Embodiment
Circuit working schematic diagram and description of drawings according to family expenses emergency power supply shown in the accompanying drawing 1; And according to the annexation between the components and parts in the said circuit of utility model content, and the components and parts technical parameter described in the execution mode requires to implement to realize the utility model.
The selection of components and parts and technical parameter
VT1 is a NPN transistor, and the model of selecting for use is 2SC9013;
VT2 is a NPN type high power transistor, and selecting model for use is 3DD59A, β >=80;
Resistance R 1 is selected the metalfilmresistor of 1/4W for use, and resistance is 820 Ω;
RP is a linear potentiometer, and resistance is 510 Ω;
C1 is an electric capacity of the dacron, and capacity is 0.22 μ F/50V;
CZ is the 220V supply socket;
The DC DC current source is selected 6V, 7AH maintenance free cell for use.
Circuit production main points, circuit debugging and use
The making of transformer B: the magnetic core of transformer B is selected EI type ferrite magnetic core or ring type magnetic core for use; Also available common EI type or FF type silicon steel sheet replace; But power supply conversion efficiency will reduce; Winding frame can use the thick hardboard of 1mm to make, and vibration winding L 1, feedback winding L 2 are all selected the enamelled wire of ￠ 0.8mm for use, and the coiling number of turns is respectively 45 circles, 30 circles; The winding L of boosting 3 is selected the enamelled wire of ￠ 0.45mm for use, and the coiling number of turns is 800 circles, and vibration winding L 1, feedback winding L 2 are wanted the liner insulation film with boosting between the winding, and note vibration winding L 1, the end of the same name that feeds back winding L 2 identifies;
As long as select for use components and parts good, welded and installed is errorless, in 220V supply socket CZ, connect the load of 80～100W after, can carry out circuit debugging, can hear slight frizzle after the complete machine energising, this shows circuit starting of oscillation;
Linear adjustment potentiometer RP can control the power output of emergency power supply.If not starting of oscillation of circuit possibly be that the polarity of feedback winding L 2 has connect instead, can the two ends reversal connection of vibration winding L 1 or feedback winding L 2 be tried it later on again;
The capacity of capacitor C 1 can change the frequency of oscillation of circuit; The capacity of capacitor C 1 is more little, and the frequency of oscillation of circuit is just high more, and the frequency of oscillation that suitably improves circuit helps improving the conversion efficiency of emergency power supply; But frequency of oscillation should≤60Hz, otherwise might have influence on the safe in utilization of some electrical equipment;
The utility model is not provided with unloaded pressure limiting function, so its output voltage can be higher than 250V when zero load;
When finding that phenomenon such as dim, flicker appears in lighting, should be that the electric weight of storage battery is not enough, in time storage battery is charged;
The 220V alternating current of family expenses emergency power supply output can be supplied power to the following household electrical appliance of 100W temporarily.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202267206U CN202535286U (en) | 2012-05-20 | 2012-05-20 | Household emergency power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202267206U CN202535286U (en) | 2012-05-20 | 2012-05-20 | Household emergency power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202535286U true CN202535286U (en) | 2012-11-14 |
Family
ID=47136442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202267206U Expired - Fee Related CN202535286U (en) | 2012-05-20 | 2012-05-20 | Household emergency power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202535286U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664540A (en) * | 2012-05-20 | 2012-09-12 | 韩春龙 | Household emergency power supply |
| CN103368364A (en) * | 2013-06-24 | 2013-10-23 | 华为技术有限公司 | Synchronous rectification self-driven circuit and voltage dividing method for circuit |
-
2012
- 2012-05-20 CN CN2012202267206U patent/CN202535286U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664540A (en) * | 2012-05-20 | 2012-09-12 | 韩春龙 | Household emergency power supply |
| CN103368364A (en) * | 2013-06-24 | 2013-10-23 | 华为技术有限公司 | Synchronous rectification self-driven circuit and voltage dividing method for circuit |
| CN103368364B (en) * | 2013-06-24 | 2016-08-10 | 华为技术有限公司 | The dividing potential drop method of synchronous commutation self-driving circuit and circuit |
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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: 20121114 Termination date: 20130520 |