CN204993976U - Concentrate power supply formula LED constant voltage constant current lighting system - Google Patents
Concentrate power supply formula LED constant voltage constant current lighting system Download PDFInfo
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- CN204993976U CN204993976U CN201520597646.2U CN201520597646U CN204993976U CN 204993976 U CN204993976 U CN 204993976U CN 201520597646 U CN201520597646 U CN 201520597646U CN 204993976 U CN204993976 U CN 204993976U
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- power supply
- led
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- flow
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Abstract
The utility model relates to a concentrate power supply formula LED constant voltage constant current lighting system, including a plurality of LED lamps and lanterns of mainly constituteing by LED cluster (3) and drive power supply, its characterized in that, still include an electricity connection at the drive power supply of all LED lamps and lanterns and the isolation transformer (T1) between the commercial power NULL, isolation transformer's output is connected with the drive power supply input of each LED lamps and lanterns, drive power supply includes non -isolated constant voltage power supply (2) and a plurality of constant -current module (4), connect in parallel in constant -current module and these LED lamps and lanterns the same and the drive cooperation one by one of figure of the LED cluster on the non -isolated constant voltage power supply output. This kind of concentrate power supply formula LED constant voltage constant current lighting system uses safe and reliable and longe -lived, can reduce overall cost when big batch uses the LED lamps and lanterns by a wide margin.
Description
Technical field
The utility model relates to LED illumination, be specifically related to a kind of centrally connected power supply formula LED constant pressure and flow illuminator, especially be applied to the LED plant illumination light fixture in warmhouse booth, the LED illumination lamp of workshop, LED illumination lamp above High-Pole Lamp etc. batch uses the occasion of LED lamp.
Background technology
At present, each LED lamp needs use constant flow module, leak electricity for easily causing and injure the occasion of personal safety, such as: the plant lamp used in warmhouse booth, operational environment hot and humid in warmhouse booth, and peasant planting process often uses instruments of labour, be also easy to touch light fixture, cause electric leakage accident.In order to keep the safety in production, this just needs to use isolated constant flow module.But the cost of the relatively non-isolated constant flow module of isolated constant flow module is very high, and during intensive use in enormous quantities, project cost can remain high.
China is at first application for a patent for invention " in large area region the central power supply system of LED illumination and driving method thereof "-publication number 104661405A and " the LED tunnel area lighting system of solar energy, wind energy or wind light mutual complementing centrally connected power supply "-publication number 101267121, disclose the centrally connected power supply of LED illumination, but be all adopt isolation separately to each LED lamp, when intensive use LED lamp in enormous quantities, project cost can remain high.
Utility model content
The utility model technical issues that need to address are, how a kind of centrally connected power supply formula LED illumination System is provided, significantly can reduce costs and ensure the use safety of LED lamp, greatly can also improve working life and the reliability of each LED lamp internal electric source further.
Above-mentioned technical problem of the present utility model solves like this: build a kind of centrally connected power supply formula LED constant pressure and flow illuminator, comprise a plurality of LED lamp formed primarily of LED strip and driving power thereof, it is characterized in that, also comprise a driving power being connected electrically in all LED lamp and mains input between isolating transformer, the output of described isolating transformer is connected with the driving power input of each LED lamp; Described driving power comprises non-isolated constant voltage source and multiple constant flow module, and described constant flow module is identical with the number of the LED strip be connected in parallel in this LED lamp on described non-isolated constant voltage source output and drive cooperation one by one.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described mains input is that 220V exchanges input, also can be other alternating voltages input meeting local technical specification.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described constant flow module is serially connected between corresponding LED strip and described non-isolated constant voltage source negative output terminal.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described constant flow module is serially connected between corresponding LED strip and described non-isolated constant voltage source positive output end.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described LED lamp includes, but are not limited to be 2-200.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described LED strip is connected in parallel on a string on described non-isolated constant voltage source output or goes here and there more.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, constant flow module adopts three-terminal voltage-stabilizing pipe or constant current tube.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described isolating transformer includes, but are not limited to be inductive-type transformer.
The centrally connected power supply formula LED constant pressure and flow illuminator provided according to the utility model, described isolating transformer includes, but are not limited to be the AC-DC transformer of switch power supply type.
The centrally connected power supply formula LED constant pressure and flow illuminator that the utility model provides, adopt high-power isolating transformer centrally connected power supply, comparatively prior art has following advantage:
1, the use safety of LED lamp is promoted;
2, significantly reduce LED illumination System cost, for the LED illumination System of about 5000W, adopt in this way, cost can reduce 40-50%;
3, working life and the reliability of LED lamp internal electric source is greatly improved.
Accompanying drawing explanation
Further the utility model is described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is the electrical block diagram of the centrally connected power supply formula LED constant pressure and flow illuminator that the utility model provides.
Wherein Reference numeral: the non-isolated constant voltage source of T1-isolating transformer, 2-, 3-LED string, 4, constant flow module.
Embodiment
As shown in Figure 1, this centrally connected power supply formula LED illumination System is used in the batch LED plant illumination in warmhouse booth: comprise input that a driving power being connected electrically in all LED lamp and civil power 220V exchange the high-power isolating transformer T1 between inputting: described isolating transformer T1 and be connected civil power 220V and exchange and input, the output of described isolating transformer T1 is connected with the driving power input of each LED lamp; Each LED has two LED strip 3, the driving power of each LED lamp comprises a non-isolated constant voltage source 2 and two constant flow modules, 4, two constant flow modules 4 are serially connected between respective LED strip 3 and described non-isolated constant voltage source 2 negative output terminal respectively.
This constant flow module 4 adopts three-terminal voltage-stabilizing pipe or constant current tube, can directly be welded among LED strip parallel circuits, form each LED strip and have a special constant current, so just substantially increase reliability and the working life of LED work, avoid a LED strip in light fixture after damaging, to cause g-load or the damage of other parallel connection LED strings.
Certainly, the above is only preferred embodiment of the present utility model, therefore all equivalence changes of doing according to structure, feature and the flow process described in the utility model patent claim or modify, and is included in the utility model patent claim is.
Claims (7)
1. a centrally connected power supply formula LED constant pressure and flow illuminator, comprise a plurality of LED lamp formed primarily of LED strip (3) and driving power thereof, it is characterized in that, also comprise a driving power being connected electrically in all LED lamp and mains input between isolating transformer (T1), the output of described isolating transformer is connected with the driving power input of each LED lamp; Described driving power comprises non-isolated constant voltage source (2) and multiple constant flow module (4), and described constant flow module is identical with the number of the LED strip be connected in parallel in this LED lamp on described non-isolated constant voltage source output and drive cooperation one by one.
2. centrally connected power supply formula LED constant pressure and flow illuminator according to claim 1, it is characterized in that, described constant flow module (4) is serially connected between corresponding LED strip (3) and described non-isolated constant voltage source negative output terminal.
3. centrally connected power supply formula LED constant pressure and flow illuminator according to claim 1, it is characterized in that, described constant flow module (4) is serially connected between corresponding LED strip (3) and described non-isolated constant voltage source positive output end.
4. centrally connected power supply formula LED constant pressure and flow illuminator according to claim 1, is characterized in that, described constant flow module (4) adopts three-terminal voltage-stabilizing pipe.
5. centrally connected power supply formula LED constant pressure and flow illuminator according to claim 1, is characterized in that, described constant flow module (4) adopts constant current tube.
6. centrally connected power supply formula LED constant pressure and flow illuminator according to any one of claim 1-5, it is characterized in that, described isolating transformer (T1) is inductive-type transformer.
7. centrally connected power supply formula LED constant pressure and flow illuminator according to any one of claim 1-5, is characterized in that, described isolating transformer (T1) is the AC-DC transformer of switch power supply type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520597646.2U CN204993976U (en) | 2015-08-10 | 2015-08-10 | Concentrate power supply formula LED constant voltage constant current lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520597646.2U CN204993976U (en) | 2015-08-10 | 2015-08-10 | Concentrate power supply formula LED constant voltage constant current lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993976U true CN204993976U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520597646.2U Expired - Fee Related CN204993976U (en) | 2015-08-10 | 2015-08-10 | Concentrate power supply formula LED constant voltage constant current lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993976U (en) |
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2015
- 2015-08-10 CN CN201520597646.2U patent/CN204993976U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160810 |