CN204316785U - A kind of blue LED lamp drain drives system - Google Patents
A kind of blue LED lamp drain drives system Download PDFInfo
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- CN204316785U CN204316785U CN201420707654.3U CN201420707654U CN204316785U CN 204316785 U CN204316785 U CN 204316785U CN 201420707654 U CN201420707654 U CN 201420707654U CN 204316785 U CN204316785 U CN 204316785U
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- resistance
- triode
- power amplifier
- switch circuit
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a kind of blue LED lamp drain drives system, it is characterized in that, primarily of partial pressure switch circuit, the control switch circuit be connected with partial pressure switch circuit, and the power amplification circuit that is connected with ON-OFF control circuit forms; Described power amplification circuit is by power amplifier P1, power amplifier P2, power amplifier P3, be serially connected in the resistance R9 between the output of power amplifier P1 and negative input and electric capacity C2, be serially connected in the resistance R10 between the output of power amplifier P2 and electrode input end and electric capacity C3, be serially connected in the resistance R14 between the output of power amplifier P3 and electrode input end.The utility model not only overall structure is comparatively simple, and its power consumption is lower, is only 1/5 of traditional drains drive circuit start-up time its start-up time.
Description
Technical field
The utility model relates to a kind of LED drive circuit, specifically refers to a kind of blue LED lamp drain drives system.
Background technology
At present, because LED has, energy consumption is low, the feature such as long service life and safety and environmental protection, and it has become one of main product of people's life lighting.Because LED is different from traditional incandescent lamp, therefore its needs are driven by special drive circuit.But, the widely used drain drives circuit of current people due to the irrationality of its project organization, defects such as result in current drain drives circuit and have that energy consumption is higher, current noise comparatively large and start-up time is longer.
Utility model content
The purpose of this utility model is the defect that energy consumption is higher, current noise is comparatively large and start-up time is longer overcoming the existence of current drain drives circuit, a kind of reasonable in design is provided, can effectively reduce energy consumption and current noise, obviously shorten the blue LED lamp drain drives circuit of start-up time.
The purpose of this utility model is achieved through the following technical solutions: a kind of blue LED lamp drain drives system, primarily of partial pressure switch circuit, the control switch circuit be connected with partial pressure switch circuit, and the power amplification circuit that is connected with ON-OFF control circuit forms, described power amplification circuit is by power amplifier P1, power amplifier P2, power amplifier P3, be serially connected in the resistance R9 between the output of power amplifier P1 and negative input and electric capacity C2, be serially connected in the resistance R10 between the output of power amplifier P2 and electrode input end and electric capacity C3, be serially connected in the resistance R14 between the output of power amplifier P3 and electrode input end, one end is connected with the output of power amplifier P1, the resistance R11 that the other end is connected with the electrode input end of power amplifier P3, one end is connected with the output of power amplifier P2, the resistance R12 that the other end is connected with the negative input of power amplifier P3, one end is connected with the negative input of power amplifier P3, the resistance R13 of other end ground connection, and one end is connected with the negative input of power amplifier P3, the electric capacity C4 of other end ground connection forms, an output of described control switch circuit is connected with the electrode input end of power amplifier P1, its another output is then connected with the negative input of power amplifier P2, meanwhile, the negative input of power amplifier P1 is connected with the electrode input end of power amplifier P2.
Further, described control switch circuit is by triode Q3, triode Q4, be serially connected in the electric capacity C1 between the collector electrode of triode Q3 and emitter, be serially connected in the resistance R8 between the base stage of triode Q4 and emitter, and the resistance R7 that one end is connected with the base stage of triode Q4, the other end is connected with partial pressure switch circuit forms; The emitter of described triode Q3 is connected with the collector electrode of triode Q4, and its base stage is then connected with partial pressure switch circuit; The collector electrode of described triode Q3 is connected with the electrode input end of power amplifier P1, and the emitter of triode Q4 is then connected with the negative input of power amplifier P2.
Described partial pressure switch circuit is by triode Q1, triode Q2, be serially connected in the resistance R2 between the base stage of triode Q1 and emitter, be serially connected in the resistance R4 between the base stage of triode Q2 and emitter, be serially connected in the resistance R5 between the collector electrode of triode Q1 and the base stage of triode Q3, the resistance R1 that one end is connected with the base stage of triode Q1, the other end is connected with the base stage of triode Q2 after resistance R3, and the resistance R6 that one end is connected with the collector electrode of triode Q2, the other end is connected with the tie point of resistance R3 with resistance R1 forms; The collector electrode of described triode Q2 is then connected with resistance R7, is all connected with the negative input of power amplifier P2 after the emitter of triode Q1 is connected with the emitter of triode Q2; Resistance R1 is also connected with the collector electrode of triode Q3 with the tie point of resistance R3.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) not only overall structure is comparatively simple for the utility model, and its power consumption is lower, is only 1/5 of traditional drains drive circuit start-up time its start-up time.
(2) the utility model effectively can avoid external electromagnetic interference, can reduce current noise significantly.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, blue LED lamp drain drives system described in the utility model mainly includes partial pressure switch circuit, control switch circuit and power amplification circuit three part.
Wherein, power amplification circuit is by power amplifier P1, and power amplifier P2, power amplifier P3, resistance R9, electric capacity C2, resistance R10, electric capacity C3, resistance R11, resistance R12, resistance R14, resistance R13 and electric capacity C4 are formed.During connection, between the output that resistance R9 and electric capacity C2 is all serially connected in power amplifier P1 and negative input, between the output that resistance R10 and electric capacity C3 is serially connected in power amplifier P2 and electrode input end, between the output that resistance R14 is then serially connected in power amplifier P3 and electrode input end.
One end of resistance R11 is connected with the output of power amplifier P1, and its other end is connected with the electrode input end of power amplifier P3; In like manner, one end of resistance R12 is connected with the output of power amplifier P2, and its other end is then connected with the negative input of power amplifier P3.One end of resistance R13 is connected with the negative input of power amplifier P3, its other end ground connection; And one end of electric capacity C4 is connected with the negative input of power amplifier P3, its other end ground connection.Meanwhile, the negative input of power amplifier P1 is also connected with the electrode input end of power amplifier P2.
Described control switch circuit is then by triode Q3, triode Q4, be serially connected in the electric capacity C1 between the collector electrode of triode Q3 and emitter, be serially connected in the resistance R8 between the base stage of triode Q4 and emitter, and the resistance R7 that one end is connected with the base stage of triode Q4, the other end is connected with partial pressure switch circuit forms.
Wherein, the emitter of this triode Q3 will be connected with the collector electrode of triode Q4, and its base stage is then connected with partial pressure switch circuit.The collector electrode of described triode Q3 is connected with the electrode input end of power amplifier P1, and the emitter of triode Q4 is then connected with the negative input of power amplifier P2.
Described partial pressure switch circuit by triode Q1, triode Q2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, and resistance R6 forms.During connection, between the base stage that resistance R2 is serially connected in triode Q1 and emitter; Between the base stage that resistance R4 is serially connected in triode Q2 and emitter, resistance R5 is then serially connected between the collector electrode of triode Q1 and the base stage of triode Q3.
Meanwhile, one end of resistance R1 is connected with the base stage of triode Q1, and its other end is connected with the base stage of triode Q2 after resistance R3.One end of resistance R6 is connected with the collector electrode of triode Q2, and its other end is connected with the tie point of resistance R3 with resistance R1.
The collector electrode of triode Q2 will be connected with resistance R7, and namely this triode Q2 is connected with the base stage of triode Q4 by resistance R7.Meanwhile, the emitter of triode Q1 is also connected with the emitter of triode Q2, and the emitter of triode Q1 is also all connected with the negative input of power amplifier P2 with the emitter of triode Q2.The collector electrode of triode Q3 is then connected with the tie point of resistance R3 with resistance R1.
For guaranteeing result of use of the present utility model, in the utility model, the resistance of resistance R1 is identical with the resistance of resistance R2, is 15K Ω; The resistance of resistance R3 is identical with the resistance of resistance R4, is 20K Ω.Resistance R5, resistance R6, resistance R7 are identical with the resistance of resistance R8, are 10K Ω.Wherein, electric capacity C2 and electric capacity C3 is patch capacitor.And the resistance of resistance R11, resistance R12, resistance R13 and resistance R14 is 15K Ω.
As mentioned above, just the utility model can well be realized.
Claims (3)
1. a blue LED lamp drain drives system, is characterized in that, primarily of partial pressure switch circuit, and the control switch circuit be connected with partial pressure switch circuit, and the power amplification circuit that is connected with ON-OFF control circuit forms, described power amplification circuit is by power amplifier P1, power amplifier P2, power amplifier P3, be serially connected in the resistance R9 between the output of power amplifier P1 and negative input and electric capacity C2, be serially connected in the resistance R10 between the output of power amplifier P2 and electrode input end and electric capacity C3, be serially connected in the resistance R14 between the output of power amplifier P3 and electrode input end, one end is connected with the output of power amplifier P1, the resistance R11 that the other end is connected with the electrode input end of power amplifier P3, one end is connected with the output of power amplifier P2, the resistance R12 that the other end is connected with the negative input of power amplifier P3, one end is connected with the negative input of power amplifier P3, the resistance R13 of other end ground connection, and one end is connected with the negative input of power amplifier P3, the electric capacity C4 of other end ground connection forms, an output of described control switch circuit is connected with the electrode input end of power amplifier P1, its another output is then connected with the negative input of power amplifier P2, and the negative input of power amplifier P1 is connected with the electrode input end of power amplifier P2.
2. a kind of blue LED lamp drain drives system according to claim 1, it is characterized in that, described control switch circuit is by triode Q3, triode Q4, be serially connected in the electric capacity C1 between the collector electrode of triode Q3 and emitter, be serially connected in the resistance R8 between the base stage of triode Q4 and emitter, and the resistance R7 that one end is connected with the base stage of triode Q4, the other end is connected with partial pressure switch circuit forms; The emitter of described triode Q3 is connected with the collector electrode of triode Q4, and its base stage is then connected with partial pressure switch circuit; The collector electrode of described triode Q3 is connected with the electrode input end of power amplifier P1, and the emitter of triode Q4 is then connected with the negative input of power amplifier P2.
3. a kind of blue LED lamp drain drives system according to claim 2, it is characterized in that, described partial pressure switch circuit is by triode Q1, triode Q2, be serially connected in the resistance R2 between the base stage of triode Q1 and emitter, be serially connected in the resistance R4 between the base stage of triode Q2 and emitter, be serially connected in the resistance R5 between the collector electrode of triode Q1 and the base stage of triode Q3, one end is connected with the base stage of triode Q1, the resistance R1 that the other end is connected with the base stage of triode Q2 after resistance R3, and one end is connected with the collector electrode of triode Q2, the resistance R6 that the other end is connected with the tie point of resistance R3 with resistance R1 forms, the collector electrode of described triode Q2 is then connected with resistance R7, is all connected with the negative input of power amplifier P2 after the emitter of triode Q1 is connected with the emitter of triode Q2, resistance R1 is also connected with the collector electrode of triode Q3 with the tie point of resistance R3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707654.3U CN204316785U (en) | 2014-11-22 | 2014-11-22 | A kind of blue LED lamp drain drives system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420707654.3U CN204316785U (en) | 2014-11-22 | 2014-11-22 | A kind of blue LED lamp drain drives system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316785U true CN204316785U (en) | 2015-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420707654.3U Expired - Fee Related CN204316785U (en) | 2014-11-22 | 2014-11-22 | A kind of blue LED lamp drain drives system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316785U (en) |
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2014
- 2014-11-22 CN CN201420707654.3U patent/CN204316785U/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 |
Granted publication date: 20150506 Termination date: 20151122 |
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| EXPY | Termination of patent right or utility model |