CN205320335U - Compatible ballast's LED power - Google Patents
Compatible ballast's LED power Download PDFInfo
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- CN205320335U CN205320335U CN201620027272.5U CN201620027272U CN205320335U CN 205320335 U CN205320335 U CN 205320335U CN 201620027272 U CN201620027272 U CN 201620027272U CN 205320335 U CN205320335 U CN 205320335U
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Abstract
The utility model discloses a compatible ballast's LED power, including the port unit, filament detecting element, a rectification circuit, EMI filter circuit, start up detecting unit and start -up constant current unit, filament detecting element's input passes through port unit connection ballast, it detects to be used for carrying on when ballast starts the filament, filament detecting element's output passes through rectifier circuit and is connected with EMI filter circuit, the one end and the EMI filter circuit of start up detecting unit are connected, an operating voltage for detecting LED lamps and lanterns in ballast start -up and the work, it is connected with the other end of start up detecting unit to start the constant current unit, a direct current output for inciting somebody to action the direct current of start up detecting unit supply is invariable at last electric cut. Implement the utility model discloses a compatible ballast's LED power has following beneficial effect: ordinary LED lamps and lanterns ability direct access uses, the assembly is comparatively convenient.
Description
Technical field
The utility model relates to field of power supplies, in particular to the LED power of a kind of compatible fluorescent lamp ballasting device.
Background technology
Traditional ballast is of a great variety, and wiring is complicated and has nothing in common with each other, if common LED light fixture two lines. Fig. 1 is the connection diagram of Inductive ballast, and Fig. 2 to Fig. 4 depicts three kinds of different connection diagrams of electric ballast respectively. Traditional fluorescent lamp needs filament pre-heating and high voltage startup when starting, transfer operating on low voltage again to, common LED light fixture is caused cannot directly to access use, original ballast and relevant circuit and accessory can only be removed, install again, but this work need could operate by professional electrician, and workload is big, causing assembling cumbersome, domestic consumer cannot complete.
Practical novel content
The technical problems to be solved in the utility model is, above-mentioned common LED light fixture for prior art cannot directly access use, assemble cumbersome defect, it is provided that a kind of common LED light fixture can directly access use, assemble the LED power of conveniently compatible fluorescent lamp ballasting device.
The utility model solves the technical scheme that its technical problem adopts: the LED power constructing a kind of compatible fluorescent lamp ballasting device, comprise port unit, filament detecting unit, rectification circuit, EMI filter circuit, start detection unit and startup constant current unit, the input of described filament detecting unit connects described fluorescent lamp ballasting device by described port unit, for carrying out filament detection when described fluorescent lamp ballasting device starts, the output of described filament detecting unit is connected with described EMI filter circuit by described rectification circuit, one end of described start detection unit is connected with described EMI filter circuit, for detecting the operating voltage of LED lamp in the startup of described fluorescent lamp ballasting device and work, described startup constant current unit is connected with the other end of described start detection unit, export for the direct current of described start detection unit supply is converted to constant direct current at powered on moment.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described startup constant current unit comprise interconnective, for start fast and the fast start circuit of constant current output, for carrying out crossing voltage protection circuit and carrying out the output electric current error correction circuit of error correction for the electric current of corresponding output during voltage that the different city of input is electric of overvoltage protection.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described port unit comprises the first port, Two-port netwerk, the 3rd port and the 4th port, described filament detecting unit comprises the first detection resistance and the 2nd detection resistance, one end of described first detection resistance is connected with described first port, the other end of described first detection resistance is connected with described Two-port netwerk, one end of described 2nd detection resistance is connected with described 3rd port, and the other end of described 2nd detection resistance is connected with described 4th port.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described start detection unit comprises the 5th diode, controllable silicon, the first voltage-stabiliser tube and the 9th electric capacity, the described anode of the 5th diode is connected with the negative electrode of described controllable silicon, one end of the described negative electrode of the 5th diode, the negative electrode of the first voltage-stabiliser tube and the 9th electric capacity all anode with described controllable silicon be connected, the anode of described first voltage-stabiliser tube and the other end of the 9th electric capacity are all connected with the control pole of described controllable silicon.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described fast start circuit comprises current constant control chip, 2nd resistance, 3rd resistance, MOS manages, first inductance, 4th diode and the 3rd electric capacity, described 2nd resistance and the 3rd resistance are in parallel, one end in parallel is connected with the source electrode of described MOS pipe, other end ground connection in parallel, first pin of described current constant control chip is connected with the grid of described MOS pipe, the drain electrode of described MOS pipe is connected by one end of described first inductance with described 3rd electric capacity, one end of described 3rd electric capacity is also connected with city's electricity negative input, the drain electrode of described MOS pipe also anode with described 4th diode be connected, the other end of described 3rd electric capacity and the negative electrode Jun Yu city electricity electrode input end of the 4th diode connect.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described voltage protection circuit of crossing comprises photoelectricity coupling device, 2nd voltage-stabiliser tube, 7th resistance and the 8th resistance, in described photoelectricity coupling device, the anode of light emitting diode is connected with described city electricity electrode input end by described 2nd voltage-stabiliser tube, in described photoelectricity coupling device, the negative electrode of light emitting diode is connected with city's electricity negative input by described 7th resistance, in described photoelectricity coupling device, the colelctor electrode of photosensitive triode is connected with the 5th pin of described current constant control chip by described 8th resistance, the grounded emitter of photosensitive triode in described photoelectricity coupling device.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described output electric current error correction circuit comprises the 4th resistance and the 5th resistance, 2nd pin of described current constant control chip is connected with described city electricity negative input by described 5th resistance, and the 2nd pin of described current constant control chip is also connected with the source electrode of described MOS pipe by the 4th resistance.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, described EMI filter circuit comprises the 2nd inductance, the 3rd inductance and the 8th electric capacity, one end of described 8th electric capacity is connected with the negative electrode of described 5th diode by described 3rd inductance, and the other end of described 8th electric capacity is by described 2nd inductance ground connection.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, also comprising piezo-resistance, one end of described piezo-resistance is connected with an output of described rectification circuit, and the other end of described piezo-resistance is connected with the other end of described rectification circuit.
In the LED power of compatible fluorescent lamp ballasting device described in the utility model, also comprising the first filtering circuit, one end of described first filtering circuit is connected with the other end of described start detection unit, the other end ground connection of described first filtering circuit.
Implement the LED power of compatible fluorescent lamp ballasting device of the present utility model, there is following useful effect: owing to using filament detecting unit, start detection unit and startup constant current unit, filament detecting unit is used for carrying out filament detection when institute's fluorescent lamp ballasting device starts, prevent fluorescent lamp ballasting device detection filament abnormal and enter protection closed mode, start detection unit is for detecting the operating voltage of LED lamp in the startup of fluorescent lamp ballasting device and work, the operating voltage of LED lamp does not enter protection closed mode in normal range of operation to prevent fluorescent lamp ballasting device from detecting, start constant current unit to be used at powered on moment, the direct current of start detection unit supply is converted to constant direct current output, compatible fluorescent lamp electronic ballast device and Inductive ballast, namely former fluorescent lamp ballasting device need not be removed, the LED power loading onto this compatibility fluorescent lamp ballasting device can use, so its common LED light fixture can directly access use, assembling is more for convenience.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is 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, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the connection diagram of Inductive ballast in background technology;
Fig. 2 is the first connection diagram of electric ballast in background technology,
Fig. 3 is the 2nd kind of connection diagram of electric ballast in background technology;
Fig. 4 is the third connection diagram of electric ballast in background technology;
Structure schematic diagram in LED power embodiment of the compatible fluorescent lamp ballasting device of Fig. 5 the utility model.
Specific embodiment party formula
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In the LED power embodiment of the compatible fluorescent lamp ballasting device of the utility model, the structure schematic diagram of the LED power of its compatible fluorescent lamp ballasting device is as shown in Figure 5. in Fig. 5, the LED power of this compatibility fluorescent lamp ballasting device comprises port unit 1, filament detecting unit 2, rectification circuit 3, EMI filter circuit 4, start detection unit 5 and startup constant current unit 6, wherein, the input of filament detecting unit 2 connects fluorescent lamp ballasting device by port unit 1, filament detecting unit 2 is for carrying out filament detection when fluorescent lamp ballasting device starts, also it is exactly that the detection meeting filament in fluorescent lamp ballasting device startup process meets condition, the output of filament detecting unit 2 is connected with EMI filter circuit 4 by rectification circuit 3, one end of start detection unit 5 is connected with EMI filter circuit 4, for detecting the operating voltage of LED lamp in the startup of fluorescent lamp ballasting device and work, for meeting the testing conditions that fluorescent lamp ballasting device starts and in work, the operating voltage of LED lamp meets fluorescent lamp ballasting device, start constant current unit 6 to be connected with the other end of start detection unit 5, direct current for being supplied by start detection unit 5 is converted to constant direct current at powered on moment and exports. the appearance fluorescent lamp electronic ballast device of the LED power of the compatible fluorescent lamp ballasting device in the present embodiment and Inductive ballast, namely former fluorescent lamp ballasting device need not be removed, the LED power loading onto this compatibility fluorescent lamp ballasting device can use, so its common LED light fixture can directly access use, assembling more for convenience.
In the present embodiment, port unit 1 comprises the first port A1, Two-port netwerk A2, the 3rd port B1 and the 4th port B2, filament detecting unit 2 comprises the first detection resistance RA and the 2nd detection resistance RB, one end of first detection resistance RA is connected with the first port A1, the other end of the first detection resistance RA is connected with Two-port netwerk A2, one end of 2nd detection resistance RB is connected with the 3rd port B1, and the other end of the 2nd detection resistance RB is connected with the 4th port B2. That is, the mode of two group of four line of dividing fluorescent lamp ballasting device accesses the first port A1, Two-port netwerk A2, the 3rd port B1 and the 4th port B2, first detection resistance RA is connected on the loop at the first port A1 and Two-port netwerk A2 place, 2nd detection resistance RB is connected on the loop at the 3rd port B1 and the 4th port B2 place, completes filament detection work when fluorescent lamp ballasting device starts.
In the present embodiment, start detection unit 5 comprises the 5th diode D5, controllable silicon Q2, the first voltage-stabiliser tube DZ1 and the 9th electric capacity C9, the anode of the 5th diode D5 is connected with the negative electrode of controllable silicon Q2, one end of the negative electrode of the 5th diode D5, the negative electrode of the first voltage-stabiliser tube DZ1 and the 9th electric capacity C9 all anode with controllable silicon Q2 be connected, the anode of the first voltage-stabiliser tube DZ1 and the other end of the 9th electric capacity C9 are all connected with the control pole of controllable silicon Q2. In the present embodiment; the circuit that fluorescent lamp ballasting device exports after starting is considered wave circuit 4 through rectification circuit 3 and EMI and is delivered to rear class; in the meeting work of this start detection unit 5; when keeping the output voltage of fluorescent lamp ballasting device to reach DZ2 value, ability is open-minded; and electric energy is delivered to rear class; and utilizing LED power that this circuit characteristic keeps this compatibility fluorescent lamp ballasting device minimum voltage operationally to reach the requirement of fluorescent lamp ballasting device, it is that protection controllable silicon Q2 is not hit current interference and punctures or misoperation that the 9th electric capacity C9 and the 5th diode D5 does role.
In the present embodiment, the LED power of this compatibility fluorescent lamp ballasting device also comprises piezo-resistance RV1, and one end of piezo-resistance RV1 is connected with an output of rectification circuit 3, and the other end of piezo-resistance RV1 is connected with the other end of rectification circuit 3. By arranging piezo-resistance RV1, when inputting voltage higher than the voltage of piezo-resistance RV1, it is possible to protection late-class circuit is not damaged. One end that the LED power of this compatibility fluorescent lamp ballasting device also comprises the first filtering circuit 7, first filtering circuit 7 is connected with the other end of start detection unit 5, the other end ground connection of the first filtering circuit 7.
In the present embodiment; current constant control chip U1, the 2nd resistance R2, the 3rd resistance R3, MOS pipe Q1, the first inductance L 1, the 4th diode D4 and the 3rd electric capacity C3 form fast start circuit 61; photoelectricity coupling device U2, the 2nd voltage-stabiliser tube DZ2, the 7th resistance R7 and the 8th resistance R8 formed voltage protection circuit 62, and the 4th resistance R4 and the 5th resistance R5 forms output electric current error correction circuit. This startup constant current unit 6 comprises fast start circuit 61, crosses voltage protection circuit 62 and export electric current error correction circuit; fast start circuit 61, excessively voltage protection circuit 62 and output electric current error correction circuit are interconnected; fast start circuit 61 is for starting fast and constant current output; cross voltage protection circuit 62 for output is carried out overvoltage protection, export the electric current of corresponding output when electric current error correction circuit is used for city's electricity voltage that input is different and carry out error correction.
In the present embodiment, for fast start circuit 61, 2nd resistance R2 and the 3rd resistance R3 is in parallel, one end in parallel is connected with the source electrode of MOS pipe Q1, other end ground connection in parallel, first pin of current constant control chip U1 is connected with the grid of MOS pipe Q1, the drain electrode of MOS pipe Q1 is connected by one end of the first inductance L 1 with the 3rd electric capacity C3, one end of 3rd electric capacity C3 is also connected with city electricity negative input V-, the drain electrode of MOS pipe Q1 also anode with the 4th diode D4 be connected, the other end of the 3rd electric capacity C3 and the negative electrode Jun Yu city electricity electrode input end V+ of the 4th diode D4 connect.
In the present embodiment; for crossing voltage protection circuit 62; in photoelectricity coupling device U2, the anode of light emitting diode is connected with city electricity electrode input end V+ by the 2nd voltage-stabiliser tube DZ2; in photoelectricity coupling device U2, the negative electrode of light emitting diode is connected with city electricity negative input V-by the 7th resistance R7; in photoelectricity coupling device U2, the colelctor electrode of photosensitive triode is connected with the 5th pin of current constant control chip U1 by the 8th resistance R8, the grounded emitter of photosensitive triode in photoelectricity coupling device U2.
In the present embodiment, for output electric current error correction circuit, 2nd pin of current constant control chip U1 is connected with city electricity negative input V-by the 5th resistance R5, and the 2nd pin of current constant control chip U1 is also connected with the source electrode of MOS pipe Q1 by the 4th resistance R4.
In the present embodiment, startup constant current unit 6 carries out filtering through the first filtering circuit 7 after being connected to start detection unit 5, starts constant current unit 6 and gets final product work at powered on moment, with minimum start-up study, and the startup high pressure of clamper fluorescent lamp; Cross voltage protection circuit 62 when exporting voltage and be too high, 2nd voltage-stabiliser tube DZ2 soft breakdown conducting, electric current flows through the light emitting diode of photoelectricity coupling device U2 by the 7th resistance R7 (current limliting resistance), this signal is coupled the photosensitive triode of device U2 through photoelectricity and the 8th resistance R8 feeds back to the 5th pin of current constant control chip U1, turning off and export, protection the 3rd electric capacity C3, the 6th resistance R6 and LED are not damaged by high electrical breakdown; The inside circuit composition adder operation circuit of the 2nd pin of the 4th resistance R4, the 5th resistance R5 and current constant control chip U1, mains input voltage raises, the 2nd pin ratio of current constant control chip U1 rises, and during to reach different cities' electricity voltage input, correction exports the object of electric current error.
In the present embodiment, EMI filter circuit 4 comprises the 2nd inductance L 2, the 3rd inductance L 3 and the 8th electric capacity C8, and one end of the 8th electric capacity C8 is connected with the negative electrode of the 5th diode D5 by the 3rd inductance L 3, and the other end of the 8th electric capacity C8 is by the 2nd inductance L 2 ground connection.
In a word, in the present embodiment, the utility model is compared with prior art, greatly improve LED power to the compatibility of fluorescent lamp ballasting device, ensure that the reliability of compatible LED power, and maintain the stability of LED power when the electricity input of Width funtion city, Ji Jie city electricity or be all a reliable and stable LED power when connecing fluorescent lamp ballasting device, and former fluorescent lamp ballasting device need not be removed, the LED power of this compatibility fluorescent lamp ballasting device is loaded onto and can be used, it is easy to assembly, it may also be useful to the life-span is long.
The foregoing is only better embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. the LED power of a compatible fluorescent lamp ballasting device, it is characterized in that, comprise port unit, filament detecting unit, rectification circuit, EMI filter circuit, start detection unit and startup constant current unit, the input of described filament detecting unit connects described fluorescent lamp ballasting device by described port unit, for carrying out filament detection when described fluorescent lamp ballasting device starts, the output of described filament detecting unit is connected with described EMI filter circuit by described rectification circuit, one end of described start detection unit is connected with described EMI filter circuit, for detecting the operating voltage of LED lamp in the startup of described fluorescent lamp ballasting device and work, described startup constant current unit is connected with the other end of described start detection unit, export for the direct current of described start detection unit supply is converted to constant direct current at powered on moment.
2. the LED power of compatible fluorescent lamp ballasting device according to claim 1; it is characterized in that, described startup constant current unit comprise interconnective, for start fast and the fast start circuit of constant current output, for carrying out crossing voltage protection circuit and carrying out the output electric current error correction circuit of error correction for the electric current of corresponding output during voltage that the different city of input is electric of overvoltage protection.
3. the LED power of compatible fluorescent lamp ballasting device according to claim 1 and 2, it is characterized in that, described port unit comprises the first port, Two-port netwerk, the 3rd port and the 4th port, described filament detecting unit comprises the first detection resistance and the 2nd detection resistance, one end of described first detection resistance is connected with described first port, the other end of described first detection resistance is connected with described Two-port netwerk, one end of described 2nd detection resistance is connected with described 3rd port, and the other end of described 2nd detection resistance is connected with described 4th port.
4. the LED power of compatible fluorescent lamp ballasting device according to claim 1, it is characterized in that, described start detection unit comprises the 5th diode, controllable silicon, the first voltage-stabiliser tube and the 9th electric capacity, the described anode of the 5th diode is connected with the negative electrode of described controllable silicon, one end of the described negative electrode of the 5th diode, the negative electrode of the first voltage-stabiliser tube and the 9th electric capacity all anode with described controllable silicon be connected, the anode of described first voltage-stabiliser tube and the other end of the 9th electric capacity are all connected with the control pole of described controllable silicon.
5. the LED power of compatible fluorescent lamp ballasting device according to claim 2, it is characterized in that, described fast start circuit comprises current constant control chip, 2nd resistance, 3rd resistance, MOS manages, first inductance, 4th diode and the 3rd electric capacity, described 2nd resistance and the 3rd resistance are in parallel, one end in parallel is connected with the source electrode of described MOS pipe, other end ground connection in parallel, first pin of described current constant control chip is connected with the grid of described MOS pipe, the drain electrode of described MOS pipe is connected by one end of described first inductance with described 3rd electric capacity, one end of described 3rd electric capacity is also connected with city's electricity negative input, the drain electrode of described MOS pipe also anode with described 4th diode be connected, the other end of described 3rd electric capacity and the negative electrode Jun Yu city electricity electrode input end of the 4th diode connect.
6. the LED power of compatible fluorescent lamp ballasting device according to claim 5, it is characterized in that, described voltage protection circuit of crossing comprises photoelectricity coupling device, 2nd voltage-stabiliser tube, 7th resistance and the 8th resistance, in described photoelectricity coupling device, the anode of light emitting diode is connected with described city electricity electrode input end by described 2nd voltage-stabiliser tube, in described photoelectricity coupling device, the negative electrode of light emitting diode is connected with city's electricity negative input by described 7th resistance, in described photoelectricity coupling device, the colelctor electrode of photosensitive triode is connected with the 5th pin of described current constant control chip by described 8th resistance, the grounded emitter of photosensitive triode in described photoelectricity coupling device.
7. the LED power of compatible fluorescent lamp ballasting device according to claim 6, it is characterized in that, described output electric current error correction circuit comprises the 4th resistance and the 5th resistance, 2nd pin of described current constant control chip is connected with described city electricity negative input by described 5th resistance, and the 2nd pin of described current constant control chip is also connected with the source electrode of described MOS pipe by the 4th resistance.
8. the LED power of compatible fluorescent lamp ballasting device according to claim 4, it is characterized in that, described EMI filter circuit comprises the 2nd inductance, the 3rd inductance and the 8th electric capacity, one end of described 8th electric capacity is connected with the negative electrode of described 5th diode by described 3rd inductance, and the other end of described 8th electric capacity is by described 2nd inductance ground connection.
9. the LED power of compatible fluorescent lamp ballasting device according to claim 1, it is characterized in that, also comprising piezo-resistance, one end of described piezo-resistance is connected with an output of described rectification circuit, and the other end of described piezo-resistance is connected with the other end of described rectification circuit.
10. the LED power of compatible fluorescent lamp ballasting device according to claim 1 or 9, it is characterized in that, also comprising the first filtering circuit, one end of described first filtering circuit is connected with the other end of described start detection unit, the other end ground connection of described first filtering circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027272.5U CN205320335U (en) | 2016-01-13 | 2016-01-13 | Compatible ballast's LED power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027272.5U CN205320335U (en) | 2016-01-13 | 2016-01-13 | Compatible ballast's LED power |
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| CN205320335U true CN205320335U (en) | 2016-06-15 |
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| CN201620027272.5U Expired - Fee Related CN205320335U (en) | 2016-01-13 | 2016-01-13 | Compatible ballast's LED power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040119A1 (en) * | 2016-08-31 | 2018-03-08 | 惠州市时宇虹光电科技有限公司 | Led light source drive control device for providing compatibility with mains electricity and input of ballast |
-
2016
- 2016-01-13 CN CN201620027272.5U patent/CN205320335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018040119A1 (en) * | 2016-08-31 | 2018-03-08 | 惠州市时宇虹光电科技有限公司 | Led light source drive control device for providing compatibility with mains electricity and input of ballast |
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