CN203166621U - High efficiency environmental protection power failure standby emergency power supply circuit - Google Patents
High efficiency environmental protection power failure standby emergency power supply circuit Download PDFInfo
- Publication number
- CN203166621U CN203166621U CN 201320133819 CN201320133819U CN203166621U CN 203166621 U CN203166621 U CN 203166621U CN 201320133819 CN201320133819 CN 201320133819 CN 201320133819 U CN201320133819 U CN 201320133819U CN 203166621 U CN203166621 U CN 203166621U
- Authority
- CN
- China
- Prior art keywords
- relay
- power failure
- power source
- charger
- output
- Prior art date
- 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
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model relates to a high efficiency environmental protection power failure standby emergency power supply circuit and solves problems of required manual switching and obviously slow switching speed existing in the prior art. According to a technical scheme, the high efficiency environmental protection power failure standby emergency power supply circuit comprises a charger, an inverter, a control circuit having control switches and a charging cell, wherein an input end of the charging cell is connected with an input end of the high efficiency environmental protection power failure standby emergency power supply circuit, an output end of the charger is connected with the charging cell, the charging cell is further connected with an input end of the inverter through a first control switch of the control circuit, an output end of the inverter is connected with an output end of the high efficiency environmental protection power failure standby emergency power supply circuit through a second control switch, and the control circuit is connected with a main power source through the charger to form a loop. The high efficiency environmental protection power failure standby emergency power supply circuit requires a few simulation components, needs no software control and further has properties of fast switching, saved materials and relatively low cost.
Description
Technical field
The utility model relates to a kind of power circuit, is specifically related to a kind of power failure spare emergent power source circuit of high-efficiency environment friendly.
Background technology
Standby power circuit has a power failure, always be the backup means that electric power system is commonly used, play backup for power supply, auxiliary effect, in case stop power supply or break down to power the time at main power supply, the power circuit that has a power failure standby needs in time to start, replace main power source to power, generally speaking, this power supply, only need to get final product keeping minimum load, also do not need simultaneously requirement long running time, therefore, the technical characterstic most critical of the power circuit that main power failure is standby can closely switch exactly as early as possible, it is more fast that main power source switches to the speed of the standby power circuit that has a power failure, and illustrates that the standby power circuit that has a power failure is more good.What stand-by power supply of the prior art was commonly used is, push button, needing manual switchover, switch speed is obviously slower, so it is imperative to develop the standby power circuit of a kind of power failure that very high switch speed arranged.
Chinese patent notification number: CN101471605 discloses a kind of power circuit open day on July 1st, 2009, and it comprises a direct current high-voltage power supply, a transformer and a pulse width modulating chip, and this dc high-voltage source is exported a direct current high pressure; This pulse width modulating chip is used for controlling this high direct voltage is provided to load circuit via this transformer, and this transformer comprises a high voltage input terminal, it is characterized in that: this power circuit also comprises one first switch element; This high direct voltage is provided to this high voltage input terminal via this first switch element and triggers this pulse width modulating chip work, and when this power circuit outage, this first switch element disconnects.This technical scheme has realized that stand-by power supply switches at a high speed, but this technical scheme need be used pulse width modulating chip, needs software to fire, and realizes comparatively complexity, and cost is also higher.
The utility model content
The purpose of this utility model is to solve to exist in the prior art needs manual switchover, switch speed is obviously slow or need to use pulse width modulating chip, need software to fire, realize comparatively complicated, cost is problem of higher also, provides a kind of to need to use a small amount of analog element, need not software control, simultaneously, switch fast, with material save, the power failure spare emergent power source circuit of lower-cost high-efficiency environment friendly.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of power failure spare emergent power source circuit of high-efficiency environment friendly, the input of the power failure spare emergent power source circuit of high-efficiency environment friendly is connected with main power source, the output of the power failure spare emergent power source circuit of high-efficiency environment friendly is connected with load, the power failure spare emergent power source circuit of described high-efficiency environment friendly comprises charger, inverter, the control circuit and the rechargeable battery that have control switch, the input of described rechargeable battery is connected with the input of the power failure spare emergent power source circuit of high-efficiency environment friendly, the output of described charger is connected with rechargeable battery, described rechargeable battery also is connected with the input of inverter by first control switch of control circuit, the output of described inverter is connected with the output of the power failure spare emergent power source circuit of high-efficiency environment friendly by second control switch, described control circuit pass through charger and main power source formation loop.Arrange like this, under the normal condition, directly powered to the load by main power source, and rechargeable battery is charged, when main power source has a power failure suddenly, at this moment, first control switch by control circuit and the open and-shut mode of second control switch different, make load be connected with rechargeable battery in the utility model, by rechargeable battery powered.
As preferably, described control circuit comprises first relay, second relay and first diode, first output of described charger is connected with the anode of first diode, the negative electrode of first diode is connected with the positive pole of rechargeable battery, the negative pole of described rechargeable battery is connected with second output of charger, first output of charger is connected with first conduction terminal of first relay contact coil and first conduction terminal of second relay contact coil respectively, second conduction terminal of described first relay contact coil all is connected with second output of charger with second conduction terminal of second relay contact coil, described rechargeable battery is connected with the input of inverter by the contact switch of first relay, and the output of described inverter is connected with described load by second relay contact switch.The utility model arranges like this, the variation of the on off state by first relay contact and second relay contact can be adjusted the charging and discharging state of rechargeable battery, when having a power failure, make load be connected with rechargeable battery in the utility model, by rechargeable battery powered.
As preferably, described second relay is the single-pole double throw relay, the moving contact of the contact switch of described single-pole double throw relay is connected with the input of load, first fixed contact of the contact switch of described single-pole double throw relay is connected with main power source, and second fixed contact of the contact switch of described single-pole double throw relay is electrically connected with the output of inverter.Arrange like this, the single-pole double throw relay can carry out switching circuit easily.
As preferably, second fixed contact of the contact switch of described second relay is normally-closed contact.
As preferably, the contact switch of described first relay is normally-closed contact.
As preferably, the power failure spare emergent power source circuit of described high-efficiency environment friendly also comprises second diode, described second diode contacts coils from parallel connection of coils with described first relay, and the negative electrode of described second diode is connected with the anode of described first diode, and the anode of described second diode is connected with the output of charger.Arrange like this, the situation that second diode has played anti-backflow takes place.
The beneficial effects of the utility model are: under the utility model normal condition, directly powered to the load by main power source, and rechargeable battery is charged, when main power source has a power failure suddenly, at this moment, first control switch by control circuit and the open and-shut mode of second control switch different, make load be connected with rechargeable battery in the utility model, by rechargeable battery powered, the utility model only need use a small amount of analog element, need not software control, simultaneously, switch fast, with material save, cost is lower.
Description of drawings
Circuit theory diagrams when Fig. 1 is a kind of main power source power supply of the present utility model.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of power failure spare emergent power source circuit (referring to accompanying drawing 1) of high-efficiency environment friendly, two inputs of the power failure spare emergent power source circuit of high-efficiency environment friendly are connected with two ends of main power source, two outputs of the power failure spare emergent power source circuit of high-efficiency environment friendly are connected with the double input end of load, and two inputs of the standby emergency power supply circuit that has a power failure directly are connected by lead with two outputs of the standby emergency power supply circuit that has a power failure.
The power failure spare emergent power source circuit of high-efficiency environment friendly comprises the charger of dual input dual output, the inverter of dual input dual output, rechargeable battery, first diode, second diode, first relay and second relay, the double input end of charger is connected with two ends of main power source, first output of charger is connected with the positive pole of rechargeable battery by first diode, second output of charger is connected with the negative pole of rechargeable battery, first output of charger is by the contact coil of first relay in parallel, the contact coil of second relay is connected with second output of charger with second diode, the negative electrode of second diode is connected with first output of charger, and the anode of second diode is connected with second output of charger.The contact switch of first relay in the present embodiment is normally-closed contact, second relay is the single-pole double throw relay, the moving contact of the normally-closed contact of first relay is connected with second input of inverter, the fixed contact of the normally-closed contact of first relay is connected with the negative pole of rechargeable battery, the first input end of inverter is connected with the positive pole of rechargeable battery, first output of described inverter is connected with the first input end of load, the moving contact of single-pole double throw relay is connected with second input of load, the normally closed fixed contact of single-pole double throw relay is connected with second output of inverter, and the fixed contact of often opening of single-pole double throw relay is connected with second output of main power source.
When present embodiment uses, main power source powers for simultaneously load and charger, what charger was exported to the contact coil of first relay and second relay contacts coil and rechargeable battery powered, the normally-closed contact of first relay disconnects, inverter is not worked, the single-pole double throw relay gets electric, the normally opened contact of single-pole double-throw switch (SPDT) and fixed contact conducting, load and main power source connection work.When main power source has a power failure, what charger can't be exported to the contact coil of first relay and second relay contacts coil and rechargeable battery powered, at this moment, the normally-closed contact closure of first relay, the normally opened contact in the single-pole double throw relay disconnects, the fixed contact in the single-pole double throw relay and normally-closed contact conducting, at this moment, rechargeable battery is connected with load by inverter, at this moment, and powering load after the rechargeable battery inversion.
The utility model only need use a small amount of analog element, need not software control, simultaneously, switch fast, with material save, cost is lower.
Above-described embodiment is a kind of preferable scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (6)
1. the power failure spare emergent power source circuit of a high-efficiency environment friendly, the input of the power failure spare emergent power source circuit of high-efficiency environment friendly is connected with main power source, the output of the power failure spare emergent power source circuit of high-efficiency environment friendly is connected with load, it is characterized in that: the power failure spare emergent power source circuit of described high-efficiency environment friendly comprises charger, inverter, the control circuit and the rechargeable battery that have control switch, the input of described rechargeable battery is connected with the input of the power failure spare emergent power source circuit of high-efficiency environment friendly, the output of described charger is connected with rechargeable battery, described rechargeable battery also is connected with the input of inverter by first control switch of control circuit, the output of described inverter is connected with the output of the power failure spare emergent power source circuit of high-efficiency environment friendly by second control switch, described control circuit pass through charger and main power source formation loop.
2. the power failure spare emergent power source circuit of high-efficiency environment friendly according to claim 1, it is characterized in that: described control circuit comprises first relay, second relay and first diode, first output of described charger is connected with the anode of first diode, the negative electrode of first diode is connected with the positive pole of rechargeable battery, the negative pole of described rechargeable battery is connected with second output of charger, first output of charger is connected with first conduction terminal of first relay contact coil and first conduction terminal of second relay contact coil respectively, second conduction terminal of described first relay contact coil all is connected with second output of charger with second conduction terminal of second relay contact coil, described rechargeable battery is connected with the input of inverter by the contact switch of first relay, and the output of described inverter is connected with described load by second relay contact switch.
3. the power failure spare emergent power source circuit of high-efficiency environment friendly according to claim 2, it is characterized in that: described second relay is the single-pole double throw relay, the moving contact of the contact switch of described single-pole double throw relay is connected with the input of load, first fixed contact of the contact switch of described single-pole double throw relay is connected with main power source, and second fixed contact of the contact switch of described single-pole double throw relay is electrically connected with the output of inverter.
4. the power failure spare emergent power source circuit of high-efficiency environment friendly according to claim 3, it is characterized in that: second fixed contact of the contact switch of described second relay is normally-closed contact.
5. according to the power failure spare emergent power source circuit of claim 2 or 3 or 4 described high-efficiency environment friendlies, it is characterized in that: the contact switch of described first relay is normally-closed contact.
6. the power failure spare emergent power source circuit of high-efficiency environment friendly according to claim 1 and 2, it is characterized in that: the power failure spare emergent power source circuit of described high-efficiency environment friendly also comprises second diode, described second diode contacts coils from parallel connection of coils with described first relay, and the negative electrode of described second diode is connected with the anode of described first diode, and the anode of described second diode is connected with the output of charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133819 CN203166621U (en) | 2013-03-22 | 2013-03-22 | High efficiency environmental protection power failure standby emergency power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320133819 CN203166621U (en) | 2013-03-22 | 2013-03-22 | High efficiency environmental protection power failure standby emergency power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166621U true CN203166621U (en) | 2013-08-28 |
Family
ID=49027779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320133819 Expired - Fee Related CN203166621U (en) | 2013-03-22 | 2013-03-22 | High efficiency environmental protection power failure standby emergency power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600763A (en) * | 2013-10-30 | 2015-05-06 | 深圳市海洋王照明工程有限公司 | Under-voltage protection circuit and lamp |
| CN106364682A (en) * | 2016-09-28 | 2017-02-01 | 成都凯天电子股份有限公司 | Uninterruptible emergency power supply system for flight parameter recorder |
-
2013
- 2013-03-22 CN CN 201320133819 patent/CN203166621U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600763A (en) * | 2013-10-30 | 2015-05-06 | 深圳市海洋王照明工程有限公司 | Under-voltage protection circuit and lamp |
| CN104600763B (en) * | 2013-10-30 | 2018-09-07 | 深圳市海洋王照明工程有限公司 | Under-voltage protecting circuit and lamps and lanterns |
| CN106364682A (en) * | 2016-09-28 | 2017-02-01 | 成都凯天电子股份有限公司 | Uninterruptible emergency power supply system for flight parameter recorder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204068215U (en) | With the lithium battery of power-off protection | |
| CN103683472A (en) | Hybrid inverter with uninterruptible power supply function | |
| CN103683463A (en) | Hybrid inverter with uninterruptible power supply function | |
| CN203406658U (en) | Storage battery detection device of direct current system | |
| CN202495795U (en) | Power management system and terminal thereof | |
| CN203166621U (en) | High efficiency environmental protection power failure standby emergency power supply circuit | |
| CN204376520U (en) | A kind of multiple feed selection circuit | |
| CN104617652A (en) | Battery supply device of portable terminal | |
| CN203660641U (en) | Hybrid inverter with uninterrupted power supply function | |
| CN203339947U (en) | Switch circuit and communication power supply | |
| CN203537054U (en) | Double-input switching device of single-phase uninterruptable power supply | |
| CN214958762U (en) | Battery system and battery system power-off device | |
| CN201616693U (en) | Intelligent power supply device | |
| CN203660636U (en) | Hybrid inverter with uninterrupted power supply function | |
| CN204258429U (en) | UPS bypass changeover circuit | |
| CN202616871U (en) | Zero second switching protection device of storage battery | |
| CN102832671A (en) | Online discharge device of storage battery | |
| CN214590692U (en) | Power supply system and electronic equipment | |
| CN204967417U (en) | Incessant DC power supply system | |
| CN103683459A (en) | Hybrid inverter with uninterruptible power supply function | |
| CN202495804U (en) | Direct-current power supply mechanism having stand-by power source | |
| CN205753611U (en) | Emergency power supply circuit | |
| CN203840273U (en) | Photovoltaic controller | |
| CN203368377U (en) | Control circuit and switch apparatus | |
| CN109713742B (en) | Power supply outage equipment and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20160322 |