CN101753009B - DC-DC booster circuit and lamp - Google Patents
DC-DC booster circuit and lamp Download PDFInfo
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- CN101753009B CN101753009B CN 201010102657 CN201010102657A CN101753009B CN 101753009 B CN101753009 B CN 101753009B CN 201010102657 CN201010102657 CN 201010102657 CN 201010102657 A CN201010102657 A CN 201010102657A CN 101753009 B CN101753009 B CN 101753009B
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Abstract
The invention is suitable for the field of a booster circuit and provides a DC-DC booster circuit and a lamp. The DC-DC booster circuit comprises a pre processing unit, a booster unit, a post processing unit and a voltage regulation unit. In the DC-DC booster circuit, a discrete component is adopted to realize DC-DC boost, and the traditional mode of realizing DC-DC boost by an integrated chip isreplaced. Accordingly, when the circuit generates problems, the problems can be solved by changing the circuit generating problems, the whole integrated chip does not need to be changed, so the maintenance cost is greatly reduced.
Description
Technical field
The invention belongs to the booster circuit field, relate in particular to a kind of DC-DC booster circuit and light fixture.
Background technology
DC-DC booster circuit is exactly that lower direct voltage is risen to the required voltage value.At present in low-voltage circuit, generally all be to adopt integrated chip as DC-DC booster circuit processings of boosting, when circuit goes wrong, only have the whole integrated chip of replacing, could solve the problem that occurs in the circuit, such maintenance cost is very high.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of DC-DC booster circuit, is intended to solve present employing integrated chip and has the high problem of maintenance cost as DC-DC booster circuit.
The embodiment of the invention is achieved in that a kind of DC-DC booster circuit, and described DC-DC booster circuit comprises:
The pre-process unit that input is connected with dc voltage input end is used for the direct voltage of input is carried out current limliting, filtering processing;
The boosting unit that input is connected with the output of described pre-process unit is used for the processing of boosting of direct voltage to the output of described pre-process unit; And
Input and the output of described boosting unit, the rearmounted processing unit that output is connected with dc voltage output end, be used for the direct voltage through boosting after processing of described boosting unit output is carried out current limliting, rectification and filtering processing, and output direct voltage after treatment;
Described DC-DC booster circuit also comprises the voltage regulation unit that is connected with described rearmounted processing unit, is used for that the direct voltage after described rearmounted processing unit processes is carried out voltage stabilizing and processes;
Described voltage regulation unit comprises Voltage stabilizing module and the 4th filtration module in parallel, the second output of the public input termination boosting unit of described Voltage stabilizing module and the 4th filtration module, the public output of described Voltage stabilizing module and the 4th filtration module connects dc voltage output end;
Described Voltage stabilizing module comprises voltage-stabiliser tube, described the 4th filtration module comprises the 3rd electric capacity, described voltage-stabiliser tube and the 3rd Capacitance parallel connection, the second end of the public first termination miniature inductance of described voltage-stabiliser tube and the 3rd electric capacity, the public second termination dc voltage output end of described voltage-stabiliser tube and the 3rd electric capacity;
Described voltage regulation unit also comprises the 5th resistance, the 6th resistance, the second triode and the 5th electric capacity, wherein, the base stage of the second triode is leaded up to the 5th resistance and is connect the public first end of voltage-stabiliser tube and the 3rd electric capacity, another road of the base stage of the second triode is by the 6th grounding through resistance, the collector electrode one tunnel of the second triode connects the pre-process unit, another road connects boosting unit by the 5th electric capacity, the grounded emitter of the second triode.
Another purpose of the embodiment of the invention is to provide a kind of light fixture that comprises above-mentioned DC-DC booster circuit.
In embodiments of the present invention, adopt discrete component to realize that DC-DC boosts, and substituted the mode that traditional employing integrated chip realizes that DC-DC boosts, therefore when circuit goes wrong, only needing to change the circuit that goes wrong just can deal with problems, and do not need to change whole integrated chip, greatly reduced like this maintenance cost.
Description of drawings
Fig. 1 is the structure chart of the DC-DC booster circuit that provides of the embodiment of the invention;
Fig. 2 is the exemplary circuit structure chart of the DC-DC booster circuit that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the invention adopts discrete component to realize that DC-DC boosts, and substituted the mode that traditional employing integrated chip realizes that DC-DC boosts, therefore when circuit goes wrong, only need to change the circuit that goes wrong and just can deal with problems, and do not need to change whole integrated chip.
Fig. 1 shows the structure of the DC-DC booster circuit that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
DC-DC booster circuit comprises pre-process unit 100, boosting unit 200 and rearmounted processing unit 300.
The input of pre-process unit 100 is connected with dc voltage input end, is used for the direct voltage of input is carried out current limliting, filtering processing;
The input of boosting unit 200 is connected with the output of pre-process unit 100, is used for the processing of boosting of direct voltage to 100 outputs of pre-process unit;
The input of rearmounted processing unit 300 is connected with the output of boosting unit 200, the output of rearmounted processing unit 300 is connected with dc voltage output end, be used for the direct voltage through boosting after processing of boosting unit 200 outputs is carried out current limliting, rectification and filtering processing, and output direct voltage after treatment.
As one embodiment of the invention, DC-DC booster circuit also comprises the voltage regulation unit 400 that is connected with rearmounted processing unit 300, is used for that the direct voltage after processing through rearmounted processing unit 300 is carried out voltage stabilizing and processes.
Fig. 2 shows the exemplary circuit structure of the DC-DC booster circuit that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
As one embodiment of the invention, pre-process unit 100 comprises the first current limliting module 101 and the first filtration module 102, the input termination dc voltage input end of the first current limliting module 101, the output of the first current limliting module 101 connects an end of described the first filtration module 102 and the input of boosting unit 200, the other end ground connection of the first filtration module 102 simultaneously.
As one embodiment of the invention, rearmounted processing unit 300 comprises the second filtration module 301, the second current limliting module 302, rectification module 303 and the 3rd filtration module 304, the first output of one termination boosting unit 200 of the second filtration module 301, the other end ground connection of the second filtration module 301, the first output of the input termination boosting unit 200 of the second current limliting module 302, the output of the input termination second current limliting module 302 of rectification module 303, one end of the 3rd filtration module 304 connects output and the dc voltage output end of rectification module 303 simultaneously, the other end ground connection of the 3rd filtration module 304.
As one embodiment of the invention, voltage regulation unit 400 comprises Voltage stabilizing module 401 and the 4th filtration module 402 in parallel, the second output of the public input termination boosting unit 200 of Voltage stabilizing module 401 and the 4th filtration module 402, the public output of Voltage stabilizing module 401 and the 4th filtration module 402 connects dc voltage output end.
As one embodiment of the invention, the first current limliting module 101 comprises the second resistance R 2, the first filtration module 102 comprises the 4th capacitor C 4 and the 6th capacitor C 6 in parallel, the public first end of the 4th capacitor C 4 and the 6th capacitor C 6 is leaded up to the second resistance R 2 and is connect dc voltage input end, another road connects the input of boosting unit 200, the public second end ground connection of the 4th capacitor C 4 and the 6th capacitor C 6.
As one embodiment of the invention, boosting unit 200 is miniature inductance T1, miniature inductance T1 comprises first end 1, the second end 2, the 3rd end 3, the 4th end 4 and five terminal 5, the five terminal 5 of miniature inductance T1 connects the public first end of the 4th capacitor C 4 and the 6th capacitor C 6, the 4th end 4 ground connection of miniature inductance T1, the first end 1 of miniature inductance T1 connects the second filtration module 301, and the second end 2 of miniature inductance T1 connects voltage regulation unit 400, the 3rd end 3 ground connection of miniature inductance T1.
As one embodiment of the invention, the second filtration module 301 comprises the second capacitor C 2, the first end 1 of the first termination miniature inductance T1 of the second capacitor C 2, the 3rd end 3 of the second termination miniature inductance T1 of the second capacitor C 2, the second current limliting module 302 comprises the 3rd resistance R 3, the first end 1 of the first termination miniature inductance T1 of the 3rd resistance R 3, rectification module 303 comprises diode D1, the anode of diode D1 connects the second end of the 3rd resistance R 3, the 3rd filtration module 304 comprises the first capacitor C 1, the first end of the first capacitor C 1 connects negative electrode and the dc voltage output end of diode D1 simultaneously, the second end ground connection of the first capacitor C 1.
As one embodiment of the invention, Voltage stabilizing module 401 comprises voltage-stabiliser tube D2, the 4th filtration module 402 comprises the 3rd capacitor C 3, voltage-stabiliser tube D2 and 3 parallel connections of the 3rd capacitor C, the second end 2 of the public first termination miniature inductance T1 of voltage-stabiliser tube D2 and the 3rd capacitor C 3, the public second termination dc voltage output end of voltage-stabiliser tube D2 and the 3rd capacitor C 3.
As one embodiment of the invention, pre-process unit 100 also comprises the 4th resistance R 4 and the first triode Q1, wherein, the base stage of the first triode Q1 connects the five terminal 5 of miniature inductance T1 by the 4th resistance R 4, the collector electrode of the first triode Q1 connects the grounded emitter of the 4th end 4, the first triode Q1 of miniature inductance T1.
Voltage regulation unit 400 also comprises the 5th resistance R 5, the 6th resistance R 6, the second triode Q2 and the 5th capacitor C 5, wherein, the base stage of the second triode Q2 is leaded up to the 5th resistance R 5 and is connect the public first end of voltage-stabiliser tube D2 and the 3rd capacitor C 3, another road of the base stage of the second triode Q2 is by the 6th resistance R 6 ground connection, the collector electrode one tunnel of the second triode Q2 connects the base stage of the first triode Q1, another road connects the grounded emitter of the second end 2, the second triode Q2 of miniature inductance T1 by the 5th capacitor C 5.
Rearmounted processing unit 300 also comprises the first resistance R 1, wherein, and the first end of the first termination first capacitor C 1 of the first resistance R 1, the second termination dc voltage output end of the first resistance R 1.
Its operation principle is:
When behind the dc voltage input end input voltage, electric current is through the second resistance R 2 current limlitings, again by the 4th capacitor C 4 and 6 filtering of the 6th capacitor C, again by after the miniature inductance T1, this electric current by the 3rd resistance R 3 current limlitings, the second capacitor C 2 resonator, filters after, become direct voltage after again process diode D1 rectification, 1 filtering of the first capacitor C, and export from dc voltage output end.The effect of voltage regulation unit 400 is in order to improve the precision and stability of output voltage.
The embodiment of the invention also provides a kind of light fixture that comprises above-mentioned DC-DC booster circuit.
In embodiments of the present invention, adopt discrete component to realize that DC-DC boosts, and substituted the mode that traditional employing integrated chip realizes that DC-DC boosts, therefore when circuit goes wrong, only needing to change the circuit that goes wrong just can deal with problems, and do not need to change whole integrated chip, greatly reduced like this maintenance cost.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a DC-DC booster circuit is characterized in that, described DC-DC booster circuit comprises:
The pre-process unit that input is connected with dc voltage input end is used for the direct voltage of input is carried out current limliting, filtering processing;
The boosting unit that input is connected with the output of described pre-process unit is used for the processing of boosting of direct voltage to the output of described pre-process unit; And
Input and the output of described boosting unit, the rearmounted processing unit that output is connected with dc voltage output end, be used for the direct voltage through boosting after processing of described boosting unit output is carried out current limliting, rectification and filtering processing, and output direct voltage after treatment;
Described DC-DC booster circuit also comprises the voltage regulation unit that is connected with described rearmounted processing unit, is used for that the direct voltage after described rearmounted processing unit processes is carried out voltage stabilizing and processes;
Described voltage regulation unit comprises Voltage stabilizing module and the 4th filtration module in parallel, the second output of the public input termination boosting unit of described Voltage stabilizing module and the 4th filtration module, the public output of described Voltage stabilizing module and the 4th filtration module connects dc voltage output end;
Described Voltage stabilizing module comprises voltage-stabiliser tube, described the 4th filtration module comprises the 3rd electric capacity, described voltage-stabiliser tube and the 3rd Capacitance parallel connection, the second end of the public first termination miniature inductance of described voltage-stabiliser tube and the 3rd electric capacity, the public second termination dc voltage output end of described voltage-stabiliser tube and the 3rd electric capacity;
Described voltage regulation unit also comprises the 5th resistance, the 6th resistance, the second triode and the 5th electric capacity, wherein, the base stage of the second triode is leaded up to the 5th resistance and is connect the public first end of voltage-stabiliser tube and the 3rd electric capacity, another road of the base stage of the second triode is by the 6th grounding through resistance, the collector electrode one tunnel of the second triode connects the pre-process unit, another road connects boosting unit by the 5th electric capacity, the grounded emitter of the second triode.
2. DC-DC booster circuit as claimed in claim 1, it is characterized in that, described pre-process unit comprises the first current limliting module and the first filtration module, the input termination dc voltage input end of described the first current limliting module, the output of described the first current limliting module connects an end of described the first filtration module and the input of boosting unit simultaneously, the other end ground connection of described the first filtration module.
3. DC-DC booster circuit as claimed in claim 2, it is characterized in that, described rearmounted processing unit comprises the second filtration module, the second current limliting module, rectification module and the 3rd filtration module, the first output of the described boosting unit of one termination of described the second filtration module, the other end ground connection of described the second filtration module, the first output of the described boosting unit of input termination of described the second current limliting module, the output of the described second current limliting module of input termination of described rectification module, one end of described the 3rd filtration module connects output and the dc voltage output end of described rectification module simultaneously, the other end ground connection of described the 3rd filtration module.
4. DC-DC booster circuit as claimed in claim 3, it is characterized in that, described the first current limliting module comprises the second resistance, described the first filtration module comprises the 4th electric capacity and the 6th electric capacity in parallel, the public first end of described the 4th electric capacity and the 6th electric capacity is leaded up to the second resistance and is connect dc voltage input end, another road connects the input of boosting unit, the public second end ground connection of described the 4th electric capacity and the 6th electric capacity.
5. DC-DC booster circuit as claimed in claim 4, it is characterized in that, described boosting unit is miniature inductance, described miniature inductance comprises first end, the second end, the 3rd end, the 4th end and five terminal, the five terminal of described miniature inductance connects the public first end of the 4th electric capacity and the 6th electric capacity, the 4th end ground connection of described miniature inductance, the first termination second filtration module of described miniature inductance, the second termination voltage regulation unit of described miniature inductance, the 3rd end ground connection of described miniature inductance.
6. DC-DC booster circuit as claimed in claim 5, it is characterized in that, described the second filtration module comprises the second electric capacity, the first end of the first termination miniature inductance of described the second electric capacity, the 3rd end of the second termination miniature inductance of described the second electric capacity, described the second current limliting module comprises the 3rd resistance, the first end of the first termination miniature inductance of described the 3rd resistance, described rectification module comprises diode, the anode of described diode connects the second end of the 3rd resistance, described the 3rd filtration module comprises the first electric capacity, and the first end of described the first electric capacity connects negative electrode and the dc voltage output end of diode simultaneously, the second end ground connection of described the first electric capacity.
7. a light fixture is characterized in that, described light fixture comprises each described DC-DC booster circuit such as claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010102657 CN101753009B (en) | 2010-01-25 | 2010-01-25 | DC-DC booster circuit and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010102657 CN101753009B (en) | 2010-01-25 | 2010-01-25 | DC-DC booster circuit and lamp |
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| Publication Number | Publication Date |
|---|---|
| CN101753009A CN101753009A (en) | 2010-06-23 |
| CN101753009B true CN101753009B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010102657 Expired - Fee Related CN101753009B (en) | 2010-01-25 | 2010-01-25 | DC-DC booster circuit and lamp |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104640299B (en) * | 2013-11-13 | 2019-04-16 | 深圳市海洋王照明工程有限公司 | A kind of lighting circuit and lamps and lanterns |
| CN114050642B (en) * | 2022-01-12 | 2023-04-14 | 库珀（天津）科技有限公司 | Low-cost and function block decoupling electric UPS system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595781A (en) * | 2004-06-30 | 2005-03-16 | 董彦明 | A circuit for realizing switch changeover with zero-voltage switch power |
| CN101232175A (en) * | 2007-01-23 | 2008-07-30 | 艾默生网络能源系统有限公司 | Power supply circuit using current limiting technique |
| CN101447737A (en) * | 2008-12-25 | 2009-06-03 | 杭州电子科技大学 | Constant power output direct current transforming circuit |
| CN101505568A (en) * | 2009-03-12 | 2009-08-12 | 深圳市众明半导体照明有限公司 | LED light modulating apparatus suitable for light modulator |
| CN101527983A (en) * | 2009-04-23 | 2009-09-09 | 张华� | White-light LED illumination driving circuit on basis of current-type charge pump |
-
2010
- 2010-01-25 CN CN 201010102657 patent/CN101753009B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1595781A (en) * | 2004-06-30 | 2005-03-16 | 董彦明 | A circuit for realizing switch changeover with zero-voltage switch power |
| CN101232175A (en) * | 2007-01-23 | 2008-07-30 | 艾默生网络能源系统有限公司 | Power supply circuit using current limiting technique |
| CN101447737A (en) * | 2008-12-25 | 2009-06-03 | 杭州电子科技大学 | Constant power output direct current transforming circuit |
| CN101505568A (en) * | 2009-03-12 | 2009-08-12 | 深圳市众明半导体照明有限公司 | LED light modulating apparatus suitable for light modulator |
| CN101527983A (en) * | 2009-04-23 | 2009-09-09 | 张华� | White-light LED illumination driving circuit on basis of current-type charge pump |
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| CN101753009A (en) | 2010-06-23 |
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