CN202094694U - Automatic emergency conversion device for power supply of LED lamp set - Google Patents
Automatic emergency conversion device for power supply of LED lamp set Download PDFInfo
- Publication number
- CN202094694U CN202094694U CN2011201707100U CN201120170710U CN202094694U CN 202094694 U CN202094694 U CN 202094694U CN 2011201707100 U CN2011201707100 U CN 2011201707100U CN 201120170710 U CN201120170710 U CN 201120170710U CN 202094694 U CN202094694 U CN 202094694U
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- circuit
- power supply
- storage battery
- led lamp
- lamp group
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Abstract
The utility model provides an automatic emergency conversion device for power supply of an LED (Light Emitting Diode) lamp set, comprising a utility power supply circuit which is used for supplying power for the LED lamp set and a storage battery power supply converting circuit, wherein the storage battery power supply converting circuit comprises a storage battery and charging circuit thereof, a voltage value detection conversion control circuit and a storage battery direct current boost circuit, a switch of the a controllable switch in the voltage value detection conversion control circuit is partly connected between an output terminal of the storage battery and an input terminal of the storage battery direct current boost circuit, a power supply output terminal of the storage battery direct current boost circuit is associated with a power supply output terminal of the utility power supply circuit through a diode. According to the technical scheme of the utility model, LED public lighting devices and power failure emergency lighting lamps are integrated into a whole, and the power supply conversion between the two power supplies is non-interfering, safe and efficient.
Description
Technical field
The utility model relates to the emergent conversion equipment of LED lighting lamp group power supply, promptly transferring reserve battery when emergency appears in the mains-supplied network to is the automatic conversion emergency service lighting device of LED lighting lamp group emergency service.
Background technology
Adopt LED lamp group to have advantages such as brightness height, power consumption are low, long service life as lighting device, it can provide mains lighting supply by the power frequency utility grid for the LED lighting lamp group widely as using in the fields such as room lighting, outdoor lighting, corridor lighting.When public electric wire net burst outage or other fault, whole public lighting system will be at a standstill, has serious public fire protection potential safety hazard.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of LED lamp group power supply automatic emergency conversion equipment that can in time be changed powered operation when power supply trouble appears in public electric wire net by stand-by power supply.The LED lamp group power supply automatic emergency conversion equipment technical scheme that the utility model provides, its major technique content is: a kind of LED lamp group power supply automatic emergency conversion equipment, it is included as the mains-supplied circuit and the storage battery power supply change-over circuit of the power supply of LED lamp group, the storage battery power supply change-over circuit includes storage battery and charging circuit thereof, the pressure value detects conversion control circuit and storage battery DC voltage booster circuit, pressure value detection conversion control circuit is made of the gate-controlled switch of pressure value testing circuit and pressure value testing circuit output, the switch sections of gate-controlled switch is connected between accumulator output end and the storage battery DC voltage booster circuit input, and the power supply output of storage battery DC voltage booster circuit is related with the power supply output of mains-supplied circuit through diode.
The LED lamp group power supply automatic emergency conversion equipment technical scheme that the utility model provides, LED public lighting device and power-cut emergency lighting lamp are become one, throw light on, then can revert to mains supply by storage battery automatically when utility network restores electricity by storage battery stand-by power supply emergency service when having realized the outage of utility network fault, two power supplys power supply conversion is not disturbed mutually, and safe and efficient.The technical program also have structure constitute simple, cost is low, conversion work is stable and the reliable technique advantage.
Description of drawings
Fig. 1 is the circuit composition frame chart of this LED lamp group power supply automatic emergency conversion equipment
Fig. 2 is circuit theory diagrams of this LED lamp group power supply automatic emergency conversion equipment.
Embodiment
LED lamp group normally is made of the parallel connection of some LED lamp string branch roads, and as the lighting load of power supply, these LED also can be other load circuit structures.The composition of this LED lamp group power supply automatic emergency conversion equipment includes mains-supplied circuit and storage battery power supply change-over circuit.The mains-supplied circuit is the regulator rectifier circuit of AC-DC conversion, for the supply voltage that adapts with LED lamp group operating voltage is provided, also is connected with reduction voltage circuit or magnitude of voltage voltage stabilizing and adjusts circuit.The storage battery power supply change-over circuit includes storage battery and charging circuit, pressure value detection conversion control circuit and storage battery DC voltage booster circuit, should use in the example structure, its storage battery BT selects that volume is little for use, capacity is big, the charged lithium cells of memory-less effect, is equipped with battery charging circuit with charged lithium cells; The circuit structure that the storage battery DC voltage booster circuit can be selected for use has multiple, in the present embodiment structure, what select for use is that DC/DC boost conversion integrated chip constitutes, what select for use especially is that peripheral cells such as MAX series DC/DC boost conversion integrated chip IC and accumulation of energy inductance L 1 thereof constitute jointly, and storage battery DC voltage booster circuit output is in parallel with the rectification output end of mains-supplied circuit through diode.This circuit has the high technical characterstic of voltage transitions efficient, can design the LED lamp group illumination work voltage that boosts to 30V for the 3.6V lithium battery of present embodiment.It is to be made of pressure value testing circuit and gate-controlled switch Q3 that the pressure value detects conversion control circuit, the switch sections of gate-controlled switch Q3 is connected between accumulator output end and the storage battery DC voltage booster circuit input, pressure value testing circuit is the resistor voltage divider circuit that the mains-supplied circuit output end connects, resistance R 17, R19 dividing potential drop node connect the controlled end of gate-controlled switch Q3, when the utility grid voltage deficiency thinks that LED lamp group provides operating voltage, then gate-controlled switch conducting is changeed automatically and is worked by the standby battery illuminalive power-supply.If the cost cost allows, pressure value testing circuit can be selected other circuit for use.The enforcement structure of this LED lamp group power supply automatic emergency conversion equipment is fit to application such as indoor DC-AC two-use powered lighting, outdoor DC-AC two-use powered lighting.
If LED lamp group is as corridor illuminating apparatus, the output of mains-supplied circuit also is connected with one tunnel acousto-optic control circuit relevant with LED lamp group, LED lamp group normal illumination work provides acousto-optic control illumination functions, the switch sections of the first gate-controlled switch A inserts in the work loop of mains-supplied circuit and LED lamp group, and this first controlled end of opening control switch A is controlled by one tunnel control output end of acousto-optic control circuit; The switch sections of the second gate-controlled switch B is connected in the work loop of storage battery and LED lamp group, the booster power output one tunnel of storage battery DC voltage booster circuit except that through diode with the rectification output end of mains-supplied circuit is in parallel, also have one the tunnel to connect the shutoff control signal of the control end of the second gate-controlled switch B as second gate-controlled switch, realize that then the technical purpose of acousto-optic control circuit work is cut off in control when conversion storage battery emergency service is worked automatically.
Claims (3)
1. LED lamp group power supply automatic emergency conversion equipment, it is characterized in that it is included as the mains-supplied circuit and the storage battery power supply change-over circuit of the power supply of LED lamp group, the storage battery power supply change-over circuit includes storage battery and charging circuit thereof, the pressure value detects conversion control circuit and storage battery DC voltage booster circuit, the pressure value detects gate-controlled switch (Q3) formation of conversion control circuit by pressure value testing circuit and pressure value testing circuit output, the switch sections of gate-controlled switch (Q3) is connected between accumulator output end and the storage battery DC voltage booster circuit input, and the power supply output of storage battery DC voltage booster circuit is related with the power supply output of mains-supplied circuit through diode.
2. LED lamp group power supply automatic emergency conversion equipment according to claim 1 is characterized in that the storage battery DC voltage booster circuit is by MAX series DC/DC boost conversion integrated chip (IC) and comprises that the peripheral cell of accumulation of energy inductance (L1) constitutes jointly.
3. LED lamp group power supply automatic emergency conversion equipment according to claim 1, the output that it is characterized in that the mains-supplied circuit also is connected with one tunnel acousto-optic control circuit relevant with LED lamp group, the switch sections of first gate-controlled switch (A) inserts in the work loop of mains-supplied circuit and LED lamp group, and this first controlled end of driving control switch (A) is controlled by one tunnel control output end of acousto-optic control circuit; The switch sections of second gate-controlled switch (B) is connected in the work loop of storage battery and LED lamp group, the booster power output one tunnel of storage battery DC voltage booster circuit except that through diode with the rectification output end of mains-supplied circuit is in parallel, also have one the tunnel to connect the shutoff control signal of the control end of second gate-controlled switch (B) as second gate-controlled switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201707100U CN202094694U (en) | 2011-05-25 | 2011-05-25 | Automatic emergency conversion device for power supply of LED lamp set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201707100U CN202094694U (en) | 2011-05-25 | 2011-05-25 | Automatic emergency conversion device for power supply of LED lamp set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202094694U true CN202094694U (en) | 2011-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201707100U Expired - Fee Related CN202094694U (en) | 2011-05-25 | 2011-05-25 | Automatic emergency conversion device for power supply of LED lamp set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202094694U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723057A (en) * | 2012-07-09 | 2012-10-10 | 管存忠 | One-board integral LED dot matrix module with auto charging standby power |
| CN105376894A (en) * | 2015-12-13 | 2016-03-02 | 重庆桑耐美光电科技有限公司 | Intelligent induction panic lamp |
| CN106060999A (en) * | 2016-04-28 | 2016-10-26 | 平湖铱能新能源有限公司 | LED lamp circuit with under-voltage protection |
| CN111917173A (en) * | 2020-08-07 | 2020-11-10 | 四川纳菲特电子科技有限公司 | Fire-fighting emergency power supply |
-
2011
- 2011-05-25 CN CN2011201707100U patent/CN202094694U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723057A (en) * | 2012-07-09 | 2012-10-10 | 管存忠 | One-board integral LED dot matrix module with auto charging standby power |
| CN105376894A (en) * | 2015-12-13 | 2016-03-02 | 重庆桑耐美光电科技有限公司 | Intelligent induction panic lamp |
| CN106060999A (en) * | 2016-04-28 | 2016-10-26 | 平湖铱能新能源有限公司 | LED lamp circuit with under-voltage protection |
| CN111917173A (en) * | 2020-08-07 | 2020-11-10 | 四川纳菲特电子科技有限公司 | Fire-fighting emergency power supply |
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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: 20111228 Termination date: 20130525 |