CN207802476U - Light source drives protective device - Google Patents
Light source drives protective device Download PDFInfo
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- CN207802476U CN207802476U CN201721812406.5U CN201721812406U CN207802476U CN 207802476 U CN207802476 U CN 207802476U CN 201721812406 U CN201721812406 U CN 201721812406U CN 207802476 U CN207802476 U CN 207802476U
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- diode
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- oxide
- capacitance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a kind of light sources to drive protective device, it includes the 6th resistance, first resistor, triode, first diode, metal-oxide-semiconductor, second diode, first capacitance, second resistance, 3rd resistor, 4th resistance, 4th diode, 5th diode, third diode, 6th diode, 7th diode, 8th diode, 9th diode, tenth diode, 11st diode, transformer, 12nd diode, second capacitance, 5th resistance, 6th resistance is connected with transistor base, transistor emitter is connected with metal-oxide-semiconductor grid, metal-oxide-semiconductor source electrode is connected with the first diode, first diode is in parallel with first resistor etc..The utility model can protect light source, and can improve stability, improve service life.
Description
Technical field
The utility model is related to a kind of protective devices, and protective device is driven more particularly to a kind of light source.
Background technology
Light source driving protective device is for protecting light source luminescent, but there are service lifes for existing light source driving protective device
The problems such as short, and stability is poor.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of light sources to drive protective device, can protect light
Source, and stability can be improved, improve service life.
The utility model is to solve above-mentioned technical problem by following technical proposals:A kind of light source driving protection dress
It sets comprising the 6th resistance, first resistor, triode, the first diode, metal-oxide-semiconductor, the second diode, the first capacitance, the second electricity
Resistance, 3rd resistor, the 4th resistance, the 4th diode, the 5th diode, third diode, the 6th diode, the 7th diode,
8th diode, the 9th diode, the tenth diode, the 11st diode, transformer, the 12nd diode, the second capacitance,
Five resistance, the 6th resistance are connected with transistor base, and transistor emitter is connected with metal-oxide-semiconductor grid, metal-oxide-semiconductor source electrode and the one or two
Pole pipe is connected, and the first diode is in parallel with first resistor, and first resistor is connected with transistor emitter, transistor collector and the
Two diodes are connected, and the second diode and metal-oxide-semiconductor, which drain, to be connected, and the second diode is in parallel with the first capacitance, the first capacitance and the
Two resistor coupled in parallel, second resistance are connected with 3rd resistor, 3rd resistor and the 5th diodes in parallel, the 5th diode and the four or two
Pole pipe is connected, and the 4th diode is connected with the 4th resistance, the 4th resistance and third diodes in parallel, third diode and transformer
First pin is connected, and transformer second pin is connected with the 11st diode, the 11st diode and the tenth Diode series, the
Ten diodes and the 8th diodes in parallel, the 8th diode and the 9th Diode series, the 9th diode and the 7th diode are simultaneously
Connection, the 7th diode and the 6th Diode series, the 6th diode and the 4th diodes in parallel, transformer third pin and the tenth
Two diode one end are connected, and the 12nd diode other end is connected with the 4th pin of transformer, the 12nd diode and the second electricity
Hold in parallel, the second capacitance and the 5th resistor coupled in parallel, the 5th resistance one end ground connection.
Preferably, the triode uses a kind of type triode.
Preferably, the metal-oxide-semiconductor using a kind of field-effect tube it is enhanced-metal-oxide-semiconductor.
Preferably, the 4th diode, the 5th diode, the 6th diode, the 7th diode, the 8th diode,
Nine diodes, the tenth diode, the 11st diode all use a kind of light emitting diode.
The positive effect of the utility model is:The utility model can protect light source, and can improve stability,
Improve service life.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
As shown in Figure 1, the utility model light source driving protective device includes the 6th resistance R6, first resistor R1, triode
Q1, first diode D1, MOS(Metal oxide semiconductor, metal-oxide-semiconductor)Pipe M1, second
Diode D2, the first capacitance C1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 4th diode D4, the 5th diode
D5, third diode D3, the 6th diode D6, the 7th diode D7, the 8th diode D8, the 9th diode D9, the 12nd pole
Pipe D10, the 11st diode D11, transformer T1, the 12nd diode D12, the second capacitance C2, the 5th resistance R5, the 6th resistance
R6 is connected with triode Q1 base stages, and triode Q1 emitters are connected with metal-oxide-semiconductor M1 grids, metal-oxide-semiconductor M1 source electrodes and the first diode
D1 is connected, and the first diode D1 is in parallel with first resistor R1, and first resistor R1 is connected with triode Q1 emitters, triode Q1 collection
Electrode is connected with the second diode D2, and the second diode D2 is connected with metal-oxide-semiconductor M1 drain electrodes, the second diode D2 and the first capacitance C1
Parallel connection, the first capacitance C1 is in parallel with second resistance R2, and second resistance R2 connects with 3rd resistor R3,3rd resistor R3 and the five or two
Pole pipe D5 is in parallel, and the 5th diode D5 connects with the 4th diode D4, and the 4th diode D4 connects with the 4th resistance R4, the 4th electricity
Hinder R4 it is in parallel with third diode D3, third diode D3 is connected with the first pins of transformer T1, transformer T1 second pins and
11st diode D11 is connected, and the 11st diode D11 connects with the tenth diode D10, the tenth diode D10 and the eight or two
Pole pipe D8 is in parallel, and the 8th diode D8 connects with the 9th diode D9, and the 9th diode D9 is in parallel with the 7th diode D7, and the 7th
Diode D7 connects with the 6th diode D6, and the 6th diode D6 is in parallel with the 4th diode D4, transformer T1 thirds pin with
12nd one end diode D12 is connected, and the 12nd diode D12 other ends are connected with the 4th pins of transformer T1, and the 12nd
Pole pipe D12 is in parallel with the second capacitance C2, and the second capacitance C2 is in parallel with the 5th resistance R5, the 5th one end resistance R5 ground connection.
The triode Q1 uses a kind of NPN type triode, can amplify electric current in this way, and can be used when switch.
The metal-oxide-semiconductor M1 can improve stability in this way using a kind of enhanced N-MOS pipes of field-effect tube.
The 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8,
9th diode D9, the tenth diode D10, the 11st diode D11 use a kind of light emitting diode, electric energy can be turned in this way
It is changed to luminous energy, facilitates illumination.
The operation principle of the utility model is as follows:6th resistance, first resistor, second resistance, 3rd resistor, the 4th electricity
Resistance, the 5th resistance be all used to limit the size of electric current, to improve safety;First diode, the second diode, the three or two
Pole pipe, the 12nd diode can improve stability all for changing sense of current.First capacitance, the second capacitance are all used
In storage power supply, working efficiency can be improved in this way;Transformer for increasing or decreasing voltage, can protect in this way the 4th diode,
5th diode, the 6th diode, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the 11st pole
The illumination effect of pipe, to improve service life.
In conclusion the utility model can protect light source, and stability can be improved, improve service life.
Particular embodiments described above, the technical issues of to the solution of the utility model, technical solution and advantageous effect
It has been further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of light source drives protective device, which is characterized in that it includes the 6th resistance, first resistor, triode, the one or two pole
Pipe, metal-oxide-semiconductor, the second diode, the first capacitance, second resistance, 3rd resistor, the 4th resistance, the 4th diode, the five or two pole
Pipe, third diode, the 6th diode, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the 11st
Pole pipe, transformer, the 12nd diode, the second capacitance, the 5th resistance, the 6th resistance are connected with transistor base, triode hair
Emitter-base bandgap grading is connected with metal-oxide-semiconductor grid, and metal-oxide-semiconductor source electrode is connected with the first diode, and the first diode is in parallel with first resistor, the first electricity
Resistance is connected with transistor emitter, and transistor collector is connected with the second diode, and the second diode is connected with metal-oxide-semiconductor drain electrode,
Second diode is in parallel with the first capacitance, and the first capacitance is in parallel with second resistance, and second resistance is connected with 3rd resistor, third electricity
Resistance and the 5th diodes in parallel, the 5th diode and the 4th Diode series, the 4th diode are connected with the 4th resistance, the 4th electricity
Resistance and third diodes in parallel, third diode are connected with the first pin of transformer, transformer second pin and the 11st pole
Pipe is connected, the 11st diode and the tenth Diode series, the tenth diode and the 8th diodes in parallel, the 8th diode and the
Nine Diode series, the 9th diode and the 7th diodes in parallel, the 7th diode and the 6th Diode series, the 6th diode
With the 4th diodes in parallel, transformer third pin is connected with the 12nd diode one end, the 12nd diode other end and change
The 4th pin of depressor is connected, and the 12nd diode is in parallel with the second capacitance, the second capacitance and the 5th resistor coupled in parallel, the 5th resistance one
End ground connection.
2. light source as described in claim 1 drives protective device, which is characterized in that the triode uses a kind of three pole of type
Pipe.
3. light source as described in claim 1 drives protective device, which is characterized in that the metal-oxide-semiconductor uses a kind of field-effect tube
Enhanced-metal-oxide-semiconductor.
4. light source as described in claim 1 drives protective device, which is characterized in that the 4th diode, the 5th diode,
6th diode, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the 11st diode all use one kind
Light emitting diode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721812406.5U CN207802476U (en) | 2017-12-22 | 2017-12-22 | Light source drives protective device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721812406.5U CN207802476U (en) | 2017-12-22 | 2017-12-22 | Light source drives protective device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207802476U true CN207802476U (en) | 2018-08-31 |
Family
ID=63282363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721812406.5U Active CN207802476U (en) | 2017-12-22 | 2017-12-22 | Light source drives protective device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207802476U (en) |
-
2017
- 2017-12-22 CN CN201721812406.5U patent/CN207802476U/en active Active
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