CN203039983U - LED light fixture possessing protective function - Google Patents
LED light fixture possessing protective function Download PDFInfo
- Publication number
- CN203039983U CN203039983U CN 201320034872 CN201320034872U CN203039983U CN 203039983 U CN203039983 U CN 203039983U CN 201320034872 CN201320034872 CN 201320034872 CN 201320034872 U CN201320034872 U CN 201320034872U CN 203039983 U CN203039983 U CN 203039983U
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- Prior art keywords
- filter circuit
- capacitor
- light fixture
- led light
- lead
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Abstract
The utility model discloses a LED light fixture possessing a protective function, comprising a constant current driver, a protective switch device and a LED assembly which are successively in electric connection. A protective switch circuit of the protective switch device comprises an anode connecting line and a cathode connecting line, between which a reverse current filter circuit and a positive surge filter circuit are provided; the reverse current filter circuit comprises a capacitor C1; the positive surge filter circuit comprises a capacitor C2 ad a resistor R1 which are successively in electric connection; the anode connecting line or the cathode connecting line is provided with a switch S1. In work, the LED light fixture utilizes the switch S1 of the protective switch circuit to control open and close of the LED light fixture; the reverse current filter circuit and the positive surge filter circuit can effectively eliminate surge current generated when the S1 is in action and avoid influence of the surge current to the service life of LED lamp beads; the structure is stable and the service life is effectively guaranteed.
Description
Technical field
The utility model relates to LED lighting device technical field, relates in particular to a kind of LED light fixture with defencive function.
Background technology
Based on the advantage of power saving and long service life, to add the luminosity technology and constantly promote, the LED light-emitting diode is applied to the important trend that lighting use has become present LED development.
Existing LED light fixture generally all is fitted with the switching device that opens and closes for control, and in the process of switching device action, because the vibration of the mechanical damping of switching device, the LED lamp grain in the LED light fixture can be subjected to surge current and impact; Because LED lamp grain to the change sensitivity very of current/voltage, under the percussion of surge current, is difficult to guarantee the useful life of LED lamp grain.
The utility model content
The purpose of this utility model is to provide a kind of LED light fixture with defencive function at the deficiencies in the prior art; this LED light fixture can avoid surge current to the influence in useful life of LED lamp grain effectively, Stability Analysis of Structures and can guarantee useful life effectively.
For achieving the above object, the utility model is achieved through the following technical solutions.
A kind of LED light fixture with defencive function includes the constant-flow driver that is electrically connected with the high pressure civil power, and the output of constant-flow driver is connected with the protection switch device, and the output of protection switch device is connected with the LED assembly; The protection switch device is provided with the protection switch circuit, the protection switch circuit include the output head anode that is connected in constant-flow driver and LED assembly input anode positive lead and be connected in the negative pole of output end of constant-flow driver and the negative lead of the input cathode of LED assembly, be provided with reverse current filter circuit and forward surge filter circuit between positive lead and the negative lead, the reverse current filter circuit includes capacitor C 1, the positive pole of capacitor C 1 is connected with positive lead, the negative pole of capacitor C 1 is connected with negative lead, forward surge filter circuit includes capacitor C 2 and resistance R 1, the positive pole of capacitor C 2 is connected with positive lead, the negative pole of capacitor C 2 is connected with the positive pole of resistance R 1, and the negative pole of resistance R 1 is connected with negative lead; Positive lead or negative lead are equipped with switch S 1.
Wherein, the capacitance of described capacitor C 1 is 0.1 uF.
Wherein, the capacitance of described capacitor C 2 is 10 uF.
Wherein, the resistance value of described resistance R 1 is 4.3 Ω.
The beneficial effects of the utility model are; A kind of LED light fixture with defencive function described in the utility model; it includes the constant-flow driver that is electrically connected successively; protection switch device and LED assembly; the protection switch device is provided with the protection switch circuit; the protection switch circuit includes positive lead and negative lead; be provided with reverse current filter circuit and forward surge filter circuit between positive lead and the negative lead; the reverse current filter circuit includes capacitor C 1; forward surge filter circuit includes capacitor C 2 and the resistance R 1 that is electrically connected successively, and positive lead or negative lead are equipped with switch S 1.During work; the utility model is controlled the switching of LED light fixture by the switch S 1 of protection switch circuit, and the surge current that reverse current filter circuit and forward surge filter circuit produce in the time of can eliminating switch S 1 action is effectively also avoided the influence of this surge current to LED lamp grain useful life of LED assembly.Comprehensive above-mentioned situation as can be known, the utility model avoids surge current to the influence in useful life of LED lamp grain effectively, namely the utlity model has Stability Analysis of Structures and can guarantee the advantage in useful life effectively.
Description of drawings
Utilize accompanying drawing to come the utility model is further detailed below, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of protection switch circuit of the present utility model.
In Fig. 1 and Fig. 2, include:
1---high pressure civil power 2---constant-flow driver
3---protection switch device 4---LED assembly
5---protection switch circuit 51---reverse current filter circuit
52---forward surge filter circuit.
Embodiment
Come the utility model is described below in conjunction with concrete execution mode.
As depicted in figs. 1 and 2, a kind of LED light fixture with defencive function includes the constant-flow driver 2 that is electrically connected with high pressure civil power 1, and the output of constant-flow driver 2 is connected with protection switch device 3, and the output of protection switch device 3 is connected with LED assembly 4; Protection switch device 3 is provided with protection switch circuit 5, protection switch circuit 5 include the output head anode that is connected in constant-flow driver 2 and LED assembly 4 input anode positive lead and be connected in the negative pole of output end of constant-flow driver 2 and the negative lead of the input cathode of LED assembly 4, be provided with reverse current filter circuit 51 and forward surge filter circuit 52 between positive lead and the negative lead, reverse current filter circuit 51 includes capacitor C 1, the positive pole of capacitor C 1 is connected with positive lead, the negative pole of capacitor C 1 is connected with negative lead, forward surge filter circuit 52 includes capacitor C 2 and resistance R 1, the positive pole of capacitor C 2 is connected with positive lead, the negative pole of capacitor C 2 is connected with the positive pole of resistance R 1, and the negative pole of resistance R 1 is connected with negative lead; Positive lead or negative lead are equipped with switch S 1.
Concrete, the capacitance of capacitor C 1 is 0.1 uF, and the capacitance of capacitor C 2 is 10 uF, and the resistance value of resistance R 1 is 4.3 Ω.
During work; the utility model is controlled the switching of LED light fixture by the switch S 1 of protection switch circuit 5, and the reverse current filter circuit of being made up of capacitor C 1 51 and the surge current that produces can eliminate switch S 1 action effectively by the forward surge filter circuit 52 that capacitor C 2 and resistance R 1 are formed the time are also avoided the influence of this surge current to the useful life of the LED lamp grain of LED assembly 4.
Comprehensive above-mentioned situation as can be known, the utility model avoids surge current to the influence in useful life of LED lamp grain effectively, namely the utlity model has Stability Analysis of Structures and can guarantee the advantage in useful life effectively.
Above content only is preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (4)
1. LED light fixture with defencive function, it is characterized in that: include the constant-flow driver (2) that is electrically connected with high pressure civil power (1), the output of constant-flow driver (2) is connected with protection switch device (3), and the output of protection switch device (3) is connected with LED assembly (4); Protection switch device (3) is provided with protection switch circuit (5), protection switch circuit (5) include the output head anode that is connected in constant-flow driver (2) and LED assembly (4) input anode positive lead and be connected in the negative pole of output end of constant-flow driver (2) and the negative lead of the input cathode of LED assembly (4), be provided with reverse current filter circuit (51) and forward surge filter circuit (52) between positive lead and the negative lead, reverse current filter circuit (51) includes capacitor C 1, the positive pole of capacitor C 1 is connected with positive lead, the negative pole of capacitor C 1 is connected with negative lead, forward surge filter circuit (52) includes capacitor C 2 and resistance R 1, the positive pole of capacitor C 2 is connected with positive lead, the negative pole of capacitor C 2 is connected with the positive pole of resistance R 1, and the negative pole of resistance R 1 is connected with negative lead; Positive lead or negative lead are equipped with switch S 1.
2. a kind of LED light fixture with defencive function according to claim 1, it is characterized in that: the capacitance of described capacitor C 1 is 0.1 uF.
3. a kind of LED light fixture with defencive function according to claim 2, it is characterized in that: the capacitance of described capacitor C 2 is 10 uF.
4. a kind of LED light fixture with defencive function according to claim 3, it is characterized in that: the resistance value of described resistance R 1 is 4.3 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034872 CN203039983U (en) | 2013-01-23 | 2013-01-23 | LED light fixture possessing protective function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320034872 CN203039983U (en) | 2013-01-23 | 2013-01-23 | LED light fixture possessing protective function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039983U true CN203039983U (en) | 2013-07-03 |
Family
ID=48692066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320034872 Expired - Fee Related CN203039983U (en) | 2013-01-23 | 2013-01-23 | LED light fixture possessing protective function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282914A (en) * | 2014-07-18 | 2016-01-27 | 松下知识产权经营株式会社 | Switching equipment and load control system comprising the same |
-
2013
- 2013-01-23 CN CN 201320034872 patent/CN203039983U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282914A (en) * | 2014-07-18 | 2016-01-27 | 松下知识产权经营株式会社 | Switching equipment and load control system comprising the same |
| CN105282914B (en) * | 2014-07-18 | 2019-04-02 | 松下知识产权经营株式会社 | Switchgear and load control system including the switchgear |
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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: 20130703 Termination date: 20170123 |