CN206181502U - Quick starting circuit of extra low voltage - Google Patents
Quick starting circuit of extra low voltage Download PDFInfo
- Publication number
- CN206181502U CN206181502U CN201621292974.2U CN201621292974U CN206181502U CN 206181502 U CN206181502 U CN 206181502U CN 201621292974 U CN201621292974 U CN 201621292974U CN 206181502 U CN206181502 U CN 206181502U
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- circuit
- electric capacity
- diode
- low voltage
- extra low
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Abstract
The utility model discloses a quick starting circuit of extra low voltage, including triode Q1, triode Q1 has base, collecting electrode and projecting pole, and the surge circuit of preventing 1KV is connected to triode Q1's base, and voltage stabilizing circuit, voltage stabilizing circuit filtered output to the VCC circuit of power management are connected to triode Q1's projecting pole. The utility model discloses an utilizing diode D4, electric capacity C7 to constitute and preventing 1KV surge circuit, the high -pressure triode constitution of three -terminal steps down and uses, and diode D11 stabilizing the voltage, electric capacity C14 filtered output give the VCC who arrives the power and manage IC, and the actual measurement starts at 0.5S under the condition that is not less than 30V, and stabilization of output does not float, normally works the consumption at 0.3W. When the light modulator is minimum, can start in 1S in TRIAC single -stage scheme is used, not have the consistency who connects in parallel and start when adjusting luminance, the actual measurement thunderbolt prevents that the surge reaches more than the 1KV.
Description
Technical field
This utility model involves starting up circuit, and in particular to a kind of extra low voltage fast start circuit.
Background technology
Existing fast start circuit does not have surge protection, and cuts after in TRIAC dimmer applications with ultralow pressure
Starting time during 40VAC less than 1S, when dimmer is minimum, multiple lamp synchronous averagings in parallel have priority bright light problem out of the ordinary.
Existing start-up circuit is that simple divider resistance is given to VCC electric capacity charge initiations, not with Anti-surging function,
Can not start in 1S when low-voltage 30V is input into.
Utility model content
The purpose of this utility model is the drawbacks described above for prior art, there is provided a kind of extra low voltage quickly starts electricity
Road.When minimum in dimmer in TRIAC single-stage solution applications, can start in 1S, there is no started during light modulation in parallel
Sex chromosome mosaicism, actual measurement thunderbolt Anti-surging is caused to reach more than 1KV.
To solve the drawbacks described above of prior art, the technical scheme that this utility model is provided is：A kind of extra low voltage is quick
Start-up circuit, including audion Q1, the audion Q1 has base stage, collector and emitter, the base stage connection of audion Q1
The surge circuit of anti-1KV, the emitter stage connection mu balanced circuit of the audion Q1, the mu balanced circuit filtering output is to power supply pipe
The VCC circuits of reason.
Improve as one kind of this utility model extra low voltage fast start circuit, the surge circuit includes being arranged on electricity
One terminals connection diode D6 of the diode D1 and electric capacity C7 on the incoming line of source, electric capacity C7 and ground connection, diode D6
A terminals by the colelctor electrode of resistance R15 connecting triode Q1.
Improve as one kind of this utility model extra low voltage fast start circuit, the emitter stage of the audion Q1 passes through
Induction coil L5 connects mu balanced circuit.
Improve as one kind of this utility model extra low voltage fast start circuit, the mu balanced circuit includes diode
One terminals of D11 and electric capacity C14, diode D11 and electric capacity C14 connect the VCC circuits of power management by resistance R22,
One terminals connection induction coil L5 of diode D11 and electric capacity C14.
Improve as one kind of this utility model extra low voltage fast start circuit, the input electricity of the power input circuit
Press as 30V~400V, the output voltage of the VCC circuits of the power management is 10V~20V.
Compared with prior art, the utility model has the advantages that：This utility model is constituted using diode D4, electric capacity C7
Anti- 1KV surge circuits, three end high-voltage three-pole pipes composition step-down applications, diode D11 burning voltages, electric capacity C14 filtering export to
To the VCC of power management IC, survey and start in the case where 30V is not less than in 0.5S, output voltage stabilization does not float, normal work
Power consumption is in 0.3W.When minimum in dimmer in TRIAC single-stage solution applications, can start in 1S, when there is no light modulation in parallel
The consistency problem of startup, actual measurement thunderbolt Anti-surging reaches more than 1KV.
Description of the drawings
Just with specific embodiment this utility model and its beneficial technique effect are further retouched with reference to the accompanying drawings below
State, wherein：
Fig. 1 is this utility model electrical block diagram.
Specific embodiment
Below just with reference to the accompanying drawings and specific embodiment is further described to this utility model.
As shown in figure 1, a kind of extra low voltage fast start circuit, including audion Q1, audion Q1 have base stage 1, collection
Electrode 3 and emitter stage 2, the base stage of audion Q1 connects the surge circuit of anti-1KV, the emitter stage connection voltage stabilizing electricity of audion Q1
Road, the VCC circuits of mu balanced circuit filtering output to power management.
Preferably, surge circuit includes being arranged on diode D1 and electric capacity C7 on power input circuit, and the one of electric capacity C7
Individual terminals connection diode D6 and ground connection a, terminals of diode D6 pass through the current collection of resistance R15 connecting triode Q1
Pole.
Preferably, the emitter stage of audion Q1 connects mu balanced circuit by induction coil L5.
Preferably, mu balanced circuit includes a terminals of diode D11 and electric capacity C14, diode D11 and electric capacity C14
The VCC circuits of power management, the terminals connection induction coil of diode D11 and electric capacity C14 are connected by resistance R22
L5。
Preferably, the input voltage of power input circuit be 30V~400V, the output voltage of the VCC circuits of power management
For 10V~20V.
The utility model has the advantages that：This utility model is to constitute anti-1KV surge circuits using diode D4, electric capacity C7,
Three end high-voltage three-pole pipe composition step-down applications, diode D11 burning voltages, electric capacity C14 filtering outputs are given to power management IC
VCC, actual measurement starts in 0.5S in the case where 30V is not less than, and output voltage stabilization does not float, and normal work power consumption is in 0.3W.
In TRIAC single-stage solution applications when dimmer is minimum, can start in 1S, there is no the concordance started during light modulation in parallel and ask
Topic, actual measurement thunderbolt Anti-surging reaches more than 1KV.
The announcement and teaching of book according to the above description, this utility model those skilled in the art can also be to above-mentioned reality
The mode of applying carries out appropriate change and modification.Therefore, this utility model is not limited to disclosed and described above being embodied as
Some modifications and changes of the present utility model should also be as falling in scope of the claims of the present utility model by mode.
Although additionally, some specific terms used in this specification, these terms merely for convenience of description, not to this reality
With any restriction of new composition.
Claims (5)
1. a kind of extra low voltage fast start circuit, it is characterised in that：Including audion Q1, the audion Q1 have base stage,
Collector and emitter, the base stage of audion Q1 connects the surge circuit of anti-1KV, the emitter stage connection voltage stabilizing of the audion Q1
Circuit, the VCC circuits of the mu balanced circuit filtering output to power management.
2. extra low voltage fast start circuit according to claim 1, it is characterised in that the surge circuit includes arranging
One terminals connection diode D6 of the diode D1 and electric capacity C7 on power input circuit, electric capacity C7 and ground connection, two poles
The colelctor electrode that one terminals of pipe D6 pass through resistance R15 connecting triode Q1.
3. extra low voltage fast start circuit according to claim 2, it is characterised in that the emitter stage of the audion Q1
Mu balanced circuit is connected by induction coil L5.
4. extra low voltage fast start circuit according to claim 3, it is characterised in that the mu balanced circuit includes two poles
One terminals of pipe D11 and electric capacity C14, diode D11 and electric capacity C14 are electric by the VCC that resistance R22 connects power management
One terminals connection induction coil L5 of road, diode D11 and electric capacity C14.
5. extra low voltage fast start circuit according to claim 4, it is characterised in that the power input circuit it is defeated
It is 30V~400V to enter voltage, and the output voltage of the VCC circuits of the power management is 10V~20V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292974.2U CN206181502U (en) | 2016-11-29 | 2016-11-29 | Quick starting circuit of extra low voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621292974.2U CN206181502U (en) | 2016-11-29 | 2016-11-29 | Quick starting circuit of extra low voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206181502U true CN206181502U (en) | 2017-05-17 |
Family
ID=60241738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621292974.2U Active CN206181502U (en) | 2016-11-29 | 2016-11-29 | Quick starting circuit of extra low voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206181502U (en) |
-
2016
- 2016-11-29 CN CN201621292974.2U patent/CN206181502U/en active Active
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