CN201298940Y - LED light fixture driving power supply - Google Patents
LED light fixture driving power supply Download PDFInfo
- Publication number
- CN201298940Y CN201298940Y CNU200920009831XU CN200920009831U CN201298940Y CN 201298940 Y CN201298940 Y CN 201298940Y CN U200920009831X U CNU200920009831X U CN U200920009831XU CN 200920009831 U CN200920009831 U CN 200920009831U CN 201298940 Y CN201298940 Y CN 201298940Y
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- China
- Prior art keywords
- rectifier
- rectification
- led light
- transformer
- light fixture
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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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Abstract
The utility model discloses a LED light fixture driving power supply, which comprises a plurality of rectification screens that work independently, a rectification transformer for regulating the voltage value of the direct current outputted from the rectification screens after rectification, and a constant current control circuit connected with the rectification transformer. the power supply input terminals of the plurality of rectification screens are respectively connected with AC power supplies; the rectification screen consists of a rectification circuit and an electrolytic capacitor connected to the output terminal of the rectification circuit in parallel used for charging and discharging; and the output terminal of each rectification screen is connected to the input terminal of the rectification transformer by a multi-loop automatic change-over switch. The utility model achieves the advantages of simple structure, convenient operation and reliable performance; can solves the practical problems of short service life and unreliable performance of the current driving power supply used for LED light fixture.
Description
Technical field
The utility model relates to a kind of light fixture driving power, especially relates to a kind of LED light fixture driving power.
Background technology
At present, the driving power of existing LED light fixture by the rectification circuit that joins with the 380V AC power successively be rectifier cubice, transforming circuit that the voltage swing of the direct voltage that goes out through the rectification circuit rectification is adjusted and to the constant-current control circuit of control outputting current steadily.Wherein, the effect of rectification circuit is extremely important, it is converted to direct current output with alternating current, on the output of its rectification circuit, go back and be connected to an electrochemical capacitor that is used to discharge and recharge simultaneously, utilize the charge-discharge characteristic of this electrochemical capacitor, make that the pulsating dc voltage after the rectification circuit rectification becomes relatively galvanic current pressure.
It is reported that at present the whole world the highest electrochemical capacitor of life-span is the ruby that a kind of Japan produces, the life-span is about 20000 hours, and just can reach above-mentioned useful life will guarantee to use under certain environment for use the time.But, since led light source useful life long be more than 50000 hours, so need to change several secondary sources in the cycle, thereby bring very big inconvenience to user's use at light source life; And because the poor quality of some electrochemical capacitor, has only life-span of several hours or shorter, there are instability, insecure defective and deficiency so in public mind, formed the LED light fixture, finally promoting the use of of low-power consumption, high-efficiency LED light fixture caused very big constraint and inconvenience.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of LED light fixture driving power is provided, it is simple in structure, use is easy to operate and dependable performance, can effectively solve existing LED light fixture the driving power short and insecure practical problem of performance in useful life.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of LED light fixture driving power, it is characterized in that: comprise a plurality of rectifier cubices that work alone, to the rectifier transformer of adjusting through the magnitude of voltage of rectifier cubice rectifier output dc voltage, and join with rectifier transformer and constant-current control circuit that current value is adjustable; The power input of described a plurality of rectifier cubices joins with communication power supply respectively, described rectifier cubice is by rectification circuit and be attempted by on the described rectification circuit output end and the electrochemical capacitor that is used to discharge and recharge is formed, and the multiloop automatic transfer switch by a serial connection between the output of described a plurality of rectifier cubices and the input of rectifier transformer is connected.
The quantity of described rectifier cubice is three, and described multiloop automatic transfer switch is the SP3T switch with automatic switching function.
Described multiloop automatic transfer switch is formed by single pole multiple throw and to the switch control unit that described single pole multiple throw automaticallyes switch.
Described switch control unit is provided with the wireless communication module that joins with it, and described wireless communication module joins with communication and the host computer that the operate condition of multiloop automatic transfer switch is carried out remote monitoring.
Described rectifier cubice, multiloop automatic transfer switch, the AC transformer of joining with communication power supply and be installed in case becomes with power compensating device that AC transformer is joined, the power input of described AC transformer and described a plurality of rectifier cubices joins; Rectifier transformer and constant-current control circuit are installed in the lamp power casing.
Described electrochemical capacitor is a plug-in electrolysis electric capacity.
The utility model compared with prior art has the following advantages, and 1, simple in structure, processing and fabricating is convenient, cost is low and it is easy and simple to handle to use.2, reliable working performance, adopt a plurality of rectifier cubices that work alone, and be connected by a multiloop automatic transfer switch between a plurality of rectifier cubices and the rectifier transformer, when wherein a commutating circuit breaks down, above-mentioned multiloop automatic transfer switch automatically switches to next rectification circuit, to reach the purpose of continuous and effective work, equaling like this provides multiple insurance to the rectifying part of LED light fixture driving power; In actual the use, the quantity of general rectifier cubice is 3, and the multiloop automatic transfer switch is corresponding to carried out the SP3T switch of switching controls by switch control unit, on the basis of the original rectification circuit of LED light fixture, increase by two backup rectification circuits that can work independently, when wherein one the road when breaking down, automatically switch to road fallback circuit in two backup rectification circuits, and other No. one rectification circuit of two backup rectification circuits continues the conduct backup with to be used, thereby the reliability of existing LED light fixture driving power is provided greatly; In addition, the multiloop automatic transfer switch easy switching and the reliable in action that are adopted.3, the control switch unit of multiloop automatic transfer switch and a wireless communication module join, and wireless communication module joins with communication and the host computer that the operate condition of multiloop automatic transfer switch is carried out remote monitoring, thereby realized remote monitoring and the distant control function of host computer to the multiloop automatic transfer switch, use operation very easy.4, the electrochemical capacitor that is adopted is a plug-in electrolysis electric capacity, can change by pluggable mode, not only change simple and easy, and reliability height.5, reasonable in design, with rectifying part from existing LED light fixture with detaching out the driving power, and the AC transformer of itself and communication power supply and power compensating device thereof are installed in case becomes, the LED light fixture is with having only two functional modules of rectifier transformer and constant-current control circuit in the driving power casing like this, thereby in the lamp power use, as long as guarantee the function of above-mentioned rectifier transformer and two functional modules of constant-current control circuit (adjustable continuously), again owing to the good stability and the useful life of rectifier transformer and constant-current control circuit are very long, generally grew up about 50000 hours than led light source, thereby the life-span bottleneck problem of the existing LED light fixture driving power of the fine solution of the utility model energy, system reliability can improve greatly.In sum, the utility model is simple in structure, cost is low and reliable working performance, can effectively solve existing LED light fixture with the driving power short and insecure practical problem of performance in useful life, have good using value, help very much the promotion efficiency of led light source in the lighting energy saving field.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Description of reference numerals:
1-rectifier cubice; 2-rectifier transformer; 3-constant-current control circuit;
4-multiloop automatic transfer switch; 5-communication power supply; 6-AC transformer;
7-power compensating device; 8-case becomes; 9-lamp power casing.
Embodiment
As shown in Figure 1, the utility model comprises a plurality of rectifier cubices that work alone 1, the rectifier transformer 2 to adjusting through the magnitude of voltage of rectifier cubice 1 rectifier output dc voltage, and with rectifier transformer 2 joins and current value is adjustable constant-current control circuit 3.The power input of described a plurality of rectifier cubice 1 joins with communication power supply 5 respectively, described rectifier cubice 1 is by rectification circuit and be attempted by on the described rectification circuit output end and the electrochemical capacitor that is used to discharge and recharge is formed, and the multiloop automatic transfer switch 4 by a serial connection between the input of the output of described a plurality of rectifier cubices 1 and rectifier transformer 2 is connected.Described multiloop automatic transfer switch 4 is formed by single pole multiple throw and to the switch control unit that described single pole multiple throw automaticallyes switch.Described switch control unit is provided with the wireless communication module that joins with it, and described wireless communication module joins with communication and the host computer that the operate condition of multiloop automatic transfer switch 4 is carried out remote monitoring.Described electrochemical capacitor is a plug-in electrolysis electric capacity.
In the present embodiment, the quantity of described rectifier cubice 1 is three, and described multiloop automatic transfer switch 4 is for having the SP3T switch of automatic switching function.
In the actual processing and making process, described rectifier cubice 1, multiloop automatic transfer switch 4, the AC transformer 6 of joining with communication power supply 5 and be installed in case with power compensating device 7 that AC transformer 6 is joined and become in 8, the power input of described AC transformer 6 and described a plurality of rectifier cubices 1 joins.Rectifier transformer 2 and constant-current control circuit 3 are installed in the lamp power casing 9.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (6)
1. LED light fixture driving power, it is characterized in that: comprise a plurality of rectifier cubices that work alone (1), to the rectifier transformer of adjusting through the magnitude of voltage of rectifier cubice (1) rectifier output dc voltage (2), and with rectifier transformer (2) joins and current value is adjustable constant-current control circuit (3); The power input of described a plurality of rectifier cubice (1) joins with communication power supply (5) respectively, described rectifier cubice (1) is by rectification circuit and be attempted by on the described rectification circuit output end and the electrochemical capacitor that is used to discharge and recharge is formed, and the multiloop automatic transfer switch (4) by a serial connection between the output of described a plurality of rectifier cubices (1) and the input of rectifier transformer (2) is connected.
2. according to the described LED light fixture of claim 1 driving power, it is characterized in that: the quantity of described rectifier cubice (1) is three, and described multiloop automatic transfer switch (4) is for having the SP3T switch of automatic switching function.
3. according to claim 1 or 2 described LED light fixture driving powers, it is characterized in that: described multiloop automatic transfer switch (4) is formed by single pole multiple throw and to the switch control unit that described single pole multiple throw automaticallyes switch.
4. according to the described LED light fixture of claim 3 driving power, it is characterized in that: described switch control unit is provided with the wireless communication module that joins with it, and described wireless communication module joins with communication and the host computer that the operate condition of multiloop automatic transfer switch (4) is carried out remote monitoring.
5. according to claim 1 or 2 described LED light fixture driving powers, it is characterized in that: described rectifier cubice (1), multiloop automatic transfer switch (4), the AC transformer (6) of joining with communication power supply (5) and be installed in case with power compensating device (7) that AC transformer (6) is joined and become in (8), the power input of described AC transformer (6) and described a plurality of rectifier cubices (1) joins; Rectifier transformer (2) and constant-current control circuit (3) are installed in the lamp power casing (9).
6. according to claim 1 or 2 described LED light fixture driving powers, it is characterized in that: described electrochemical capacitor is a plug-in electrolysis electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920009831XU CN201298940Y (en) | 2009-02-24 | 2009-02-24 | LED light fixture driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920009831XU CN201298940Y (en) | 2009-02-24 | 2009-02-24 | LED light fixture driving power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298940Y true CN201298940Y (en) | 2009-08-26 |
Family
ID=41044929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920009831XU Expired - Fee Related CN201298940Y (en) | 2009-02-24 | 2009-02-24 | LED light fixture driving power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298940Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102137531A (en) * | 2010-01-26 | 2011-07-27 | 陈进祥 | Light source device |
| CN103026788A (en) * | 2011-07-18 | 2013-04-03 | 威因韦克销售有限公司 | Flameless candle circuit with multiple modes |
| CN108363312A (en) * | 2017-12-26 | 2018-08-03 | 铜陵迈维电子科技有限公司 | A kind of LED drive power controller of remote on-line monitoring |
-
2009
- 2009-02-24 CN CNU200920009831XU patent/CN201298940Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102137531A (en) * | 2010-01-26 | 2011-07-27 | 陈进祥 | Light source device |
| CN103026788A (en) * | 2011-07-18 | 2013-04-03 | 威因韦克销售有限公司 | Flameless candle circuit with multiple modes |
| CN103026788B (en) * | 2011-07-18 | 2016-05-25 | 威因韦克销售有限公司 | Multi-mode flameless candle circuit |
| CN108363312A (en) * | 2017-12-26 | 2018-08-03 | 铜陵迈维电子科技有限公司 | A kind of LED drive power controller of remote on-line monitoring |
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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: 20090826 Termination date: 20120224 |