CN204167989U - A kind of LED emergency power supply being applied to fire-fighting emergent - Google Patents
A kind of LED emergency power supply being applied to fire-fighting emergent Download PDFInfo
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- CN204167989U CN204167989U CN201420312535.8U CN201420312535U CN204167989U CN 204167989 U CN204167989 U CN 204167989U CN 201420312535 U CN201420312535 U CN 201420312535U CN 204167989 U CN204167989 U CN 204167989U
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- fire
- power supply
- electronic circuit
- emergency power
- circuit
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Abstract
The utility model discloses a kind of LED emergency power supply being applied to fire-fighting emergent, the control module comprise power module, being electrically connected with control module and emergent module, described emergent module installation has push-pull inverter, described push-pull inverter by recommend electronic circuit, with recommend inversion electronic circuit that electronic circuit is electrically connected and form with the commutation sub-circuit that described inversion electronic circuit is electrically connected.Push-pull inverter is applied to the emergent module of LED emergency power supply by the utility model, instead of traditional emergent employing constant current output, LED electrical is pressed and selects more flexibly, to protect LED, extend the useful life of LED.
Description
Technical field
The utility model relates to fire-fighting emergent LED field, is specifically related to a kind of LED emergency power supply being applied to fire-fighting emergent.
Background technology
Fire emergency system mainly comprises accident emergency illumination, escape hatch mark and indicator light, is when breaking out of fire after normal illumination dump, guides trapped personnel to evacuate or launch fire fighting and rescue action to arrange.But find in daily inspection, unit also exists many problems in the type selecting of fire emergency lamps, installation and use procedure.Answer this, choose reasonable emergency lighting system r, the mode of connection, carry out line service, directly has influence on the performance of fire emergency systemic effect.Fire-fighting emergency headlamp is that it utilizes external power supply to power at ordinary times, automatically switches to battery-powered state when power-off for evacuating personnel, fire-fighting operation provide the fire emergency lamps of illumination.Traditional fire-fighting emergent exports and adopts constant current mode to export, and this is harsher to the voltage request of LED, and, if constant current mode exports the unstable operating state that will have influence on emergency LED, and the useful life of LED emergency light can be had influence on.
Utility model content
Export the output of employing constant current mode to solve traditional fire-fighting emergent, this is harsher to the voltage request of LED, can have influence on the problem in the useful life of LED emergency light.The utility model provides a kind of LED emergency power supply being applied to fire-fighting emergent.
A kind of LED emergency power supply being applied to fire-fighting emergent, the control module comprise power module, being electrically connected with control module and emergent module, described emergent module installation has push-pull inverter, described push-pull inverter by recommend electronic circuit, with recommend inversion electronic circuit that electronic circuit is electrically connected and form with the commutation sub-circuit that described inversion electronic circuit is electrically connected.
Further, described in recommend two transistors of electronic circuit base stage be parallel with inductance, emitter series connection is connected to resonant circuit.
Further, the first electric capacity is parallel with between the collector electrode of described transistor.
Further, described commutation sub-circuit is connected with the second electric capacity, and described second Capacitance parallel connection accesses on two branch roads of two diode circuits.
Further, described commutation sub-circuit is also provided with diverter switch, and described diverter switch is electromagnetism relay switch.
Further, described push-pull type electronic circuit accesses on the primary coil of described inversion electronic circuit.
Further, described commutation sub-circuit accesses on the secondary coil of described inversion electronic circuit.
Further, the output of described commutation sub-circuit is provided with pin terminal.
The utility model has the advantage of: emergent module push-pull inverter being applied to LED emergency power supply; and commutation sub-circuit is provided with in push-pull inverter; replace traditional emergent employing constant voltage constant current power by commutation sub-circuit as constant current output to export; LED electrical is made to press selection more flexible; protect LED, extend the useful life of LED.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structure principle chart being applied to the LED emergency power supply of fire-fighting emergent;
Fig. 2 is the structure principle chart of push-pull inverter.
Embodiment
The utility model provides a kind of LED emergency power supply being applied to fire-fighting emergent, LED electrical is pressed and selects more flexibly, to protect LED, extend the useful life of LED.
Below in conjunction with the accompanying drawing in the utility model, be clearly and completely described the technical scheme in the utility model, obviously, described is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
A kind of LED emergency power supply being applied to fire-fighting emergent, the control module 2 comprise power module 1, being electrically connected with control module 1 and emergent module 3, described emergent module 3 is provided with push-pull inverter, described push-pull inverter by recommend electronic circuit 30, with recommend inversion electronic circuit 31 that electronic circuit 30 is electrically connected and form with the commutation sub-circuit 32 that described inversion electronic circuit 31 is electrically connected.Described base stage of recommending two transistors 301 of electronic circuit 30 is parallel with inductance 303, emitter series connection is connected to resonant circuit 33, the first electric capacity 302 is parallel with between the collector electrode of described transistor 301, described commutation sub-circuit 32 is connected with the second electric capacity 310, two branch roads (322 of described second electric capacity 310 parallel connection access two diode circuits, 323) on, described commutation sub-circuit 32 is also provided with diverter switch 321, described diverter switch 321 is electromagnetism relay switch, described push-pull type electronic circuit 30 accesses on the primary coil 311 of described inversion electronic circuit 31, described commutation sub-circuit 32 accesses on the secondary coil 312 of described inversion electronic circuit 31, the output of described commutation sub-circuit 32 is provided with pin terminal 320.
Operation principle of the present utility model is as follows: power module 1 converts civil power 220V to 8V and 5V respectively, 8V also powers to LED, 5V powers to control module 2, control module 2 one aspect controls power module 1 and charges to reserve battery, control power module on the other hand reserve battery is boosted, in case of emergency power to LED, the push-pull inverter of described emergent module 3 can play constant current effect, can the constant LED electric current of powering.
Known by describing above; the utility model has the advantage of: emergent module push-pull inverter being applied to LED emergency power supply; and commutation sub-circuit is provided with in push-pull inverter; replace traditional emergent employing constant voltage constant current power by commutation sub-circuit as constant current output to export; LED electrical is made to press selection more flexible; protect LED, extend the useful life of LED.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (8)
1. one kind is applied to the LED emergency power supply of fire-fighting emergent, the control module comprise power module, being electrically connected with control module and emergent module, it is characterized in that, described emergent module installation has push-pull inverter, described push-pull inverter by recommend electronic circuit, with recommend inversion electronic circuit that electronic circuit is electrically connected and form with the commutation sub-circuit that described inversion electronic circuit is electrically connected.
2. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 1, is characterized in that, described in recommend electronic circuit and be connected with two transistors, the base stage of described transistor is parallel with inductance, and emitter series connection is connected to resonant circuit.
3. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 2, is characterized in that, be parallel with the first electric capacity between the collector electrode of described transistor.
4. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 1, it is characterized in that, described commutation sub-circuit is connected with the second electric capacity, and described second Capacitance parallel connection accesses on two branch roads of two diode circuits.
5. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 1, it is characterized in that, described commutation sub-circuit is also provided with diverter switch, and described diverter switch is electromagnetism relay switch.
6. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 1, it is characterized in that, described push-pull type electronic circuit accesses on the primary coil of described inversion electronic circuit.
7. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 1 or 6, it is characterized in that, described commutation sub-circuit accesses on the secondary coil of described inversion electronic circuit.
8. a kind of LED emergency power supply being applied to fire-fighting emergent according to claim 1, it is characterized in that, the output of described commutation sub-circuit is provided with pin terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312535.8U CN204167989U (en) | 2014-06-13 | 2014-06-13 | A kind of LED emergency power supply being applied to fire-fighting emergent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420312535.8U CN204167989U (en) | 2014-06-13 | 2014-06-13 | A kind of LED emergency power supply being applied to fire-fighting emergent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204167989U true CN204167989U (en) | 2015-02-18 |
Family
ID=52541638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420312535.8U Expired - Fee Related CN204167989U (en) | 2014-06-13 | 2014-06-13 | A kind of LED emergency power supply being applied to fire-fighting emergent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204167989U (en) |
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2014
- 2014-06-13 CN CN201420312535.8U patent/CN204167989U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20150218 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |