CN205070775U - Steady voltage control circuit of high clutter reduction - Google Patents
Steady voltage control circuit of high clutter reduction Download PDFInfo
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- CN205070775U CN205070775U CN201520862709.2U CN201520862709U CN205070775U CN 205070775 U CN205070775 U CN 205070775U CN 201520862709 U CN201520862709 U CN 201520862709U CN 205070775 U CN205070775 U CN 205070775U
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Abstract
The utility model relates to a voltage stabilizing circuit field discloses a steady voltage control circuit of high clutter reduction, include: direct -current input end, pi type filter circuit, steady voltage control circuit and DC output, pi type filter circuit with steady voltage control circuit altogether. The utility model discloses effective filtering the high -frequency ac clutter, make signal battery output more smooth -going.
Description
Technical field
The utility model relates to voltage stabilizing circuit field, particularly relates to a kind of controlling circuit of voltage regulation of high clutter reduction.
Background technology
Electronic equipment be unable to do without power supply, and the energy of power supply supply required for electronic equipment, this just determines power supply importance in the electronic device.The quality of power supply directly affects the functional reliability of electronic equipment, so the requirement of electronic equipment to power supply is increased increasingly.Although existing power supply have employed a series of filtering and voltage stabilizing measure, its Industrial Frequency Transformer and filter, cause Whole Equipment weight and volume all very large, and the power consumption of Correctional tube is comparatively large, and the efficiency of power supply is reduced greatly.
Utility model content
The utility model provides a kind of controlling circuit of voltage regulation of high clutter reduction, solves the technical problem that high frequency spurs is too much, power consumption is larger of voltage stabilizing circuit of the prior art.
The purpose of this utility model is achieved through the following technical solutions:
A kind of controlling circuit of voltage regulation of high clutter reduction, comprise: direct-flow input end, π type filter circuit, controlling circuit of voltage regulation and DC output end, described π type filter circuit and described controlling circuit of voltage regulation are altogether, wherein, described π type filter circuit comprises high-frequency suppressing magnetic bead L, resistance R1, electric capacity C1, electric capacity C2, described electric capacity C1 and described electric capacity C2 is connected in parallel on the two ends of resistance R1 respectively, described electric capacity C1 and described electric capacity C2 altogether, the first end of described high-frequency suppressing magnetic bead L is connected with described direct-flow input end, described high-frequency suppressing magnetic bead L second end is connected with described resistance R1 first end, described resistance R1 second end connects described controlling circuit of voltage regulation, described controlling circuit of voltage regulation comprises switching tube Q1, switching tube Q2, three end adjustable reference voltage source IC, resistance R2, resistance R3, resistance R4, electrochemical capacitor C3, electrochemical capacitor C4, the first end of described resistance R2 is connected with described π type filter circuit, second end of described resistance R2 is connected with the positive pole of described electrochemical capacitor C3, the minus earth of described electrochemical capacitor C3, the collector electrode of described switching tube Q2 is connected with the first end of described resistance R2, the emitter of described switching tube Q2 and the first end of described resistance R3, DC output end connects, the base stage of described switching tube Q2 is connected with the emitter of described switching tube Q1, the collector electrode of described switching tube Q1 is connected with the collector electrode of described switching tube Q2, the negative pole of described three end adjustable reference voltage source IC is connected with the base stage of described switching tube Q1 and the positive pole of described electrochemical capacitor C3, the plus earth of described three end adjustable reference voltage source IC, the described reference edge of three end adjustable reference voltage source IC and second end of resistance R3, the first end of resistance R4 connects, the second end ground connection of described resistance R4, the first end of described electrochemical capacitor C4 is connected with the first end of described resistance R3, the second end ground connection of described electrochemical capacitor C4.
Technique effect of the present utility model is:
1, there is wider input voltage range: the utility model can obtain larger input voltage range, the scope of application of circuit can be increased like this, thus there is better versatility.
2, output voltage relative harmonic content is low: owing to adopting CRC π type filter circuit, so just can remove the high-frequency ac clutter in electrical network to a great extent, power supply signal exports more smooth-going, and the antijamming capability of circuit is strengthened.
3, the efficiency of output voltage obviously promotes: less owing to affecting by harmonic wave etc., therefore power output obviously promotes, and energy consumption reduces on the contrary, to a certain degree also also achieve energy-conservation.
4, modern design of the present utility model, volume little, handsome in appearance, there is low-loss, low noise, the advantage such as shock-resistant.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment 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, also can obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, for a kind of controlling circuit of voltage regulation of high clutter reduction, comprise: direct-flow input end, π type filter circuit, controlling circuit of voltage regulation and DC output end, described π type filter circuit and described controlling circuit of voltage regulation are altogether, wherein, described π type filter circuit comprises high-frequency suppressing magnetic bead L, resistance R1, electric capacity C1, electric capacity C2, described electric capacity C1 and described electric capacity C2 is connected in parallel on the two ends of resistance R1 respectively, described electric capacity C1 and described electric capacity C2 altogether, the first end of described high-frequency suppressing magnetic bead L is connected with described direct-flow input end, described high-frequency suppressing magnetic bead L second end is connected with described resistance R1 first end, described resistance R1 second end connects described controlling circuit of voltage regulation,
Described controlling circuit of voltage regulation comprises switching tube Q1, switching tube Q2, three end adjustable reference voltage source IC, resistance R2, resistance R3, resistance R4, electrochemical capacitor C3, electrochemical capacitor C4, the first end of described resistance R2 is connected with described π type filter circuit, second end of described resistance R2 is connected with the positive pole of described electrochemical capacitor C3, the minus earth of described electrochemical capacitor C3, the collector electrode of described switching tube Q2 is connected with the first end of described resistance R2, the emitter of described switching tube Q2 and the first end of described resistance R3, DC output end connects, the base stage of described switching tube Q2 is connected with the emitter of described switching tube Q1, the collector electrode of described switching tube Q1 is connected with the collector electrode of described switching tube Q2, the negative pole of described three end adjustable reference voltage source IC is connected with the base stage of described switching tube Q1 and the positive pole of described electrochemical capacitor C3, the plus earth of described three end adjustable reference voltage source IC, the described reference edge of three end adjustable reference voltage source IC and second end of resistance R3, the first end of resistance R4 connects, the second end ground connection of described resistance R4, the first end of described electrochemical capacitor C4 is connected with the first end of described resistance R3, the second end ground connection of described electrochemical capacitor C4.
Wherein, described switching tube Q1 and described switching tube Q2 is triode or metal-oxide-semiconductor.
Described three end adjustable reference voltage source IC are controllable accurate source of stable pressure TL431.
Technique effect of the present utility model is:
1, there is wider input voltage range: the utility model can obtain larger input voltage range, the scope of application of circuit can be increased like this, thus there is better versatility.
2, output voltage relative harmonic content is low: owing to adopting CRC π type filter circuit, so just can remove the high-frequency ac clutter in electrical network to a great extent, power supply signal exports more smooth-going, and the antijamming capability of circuit is strengthened.
3, the efficiency of output voltage obviously promotes: less owing to affecting by harmonic wave etc., therefore power output obviously promotes, and energy consumption reduces on the contrary, to a certain degree also also achieve energy-conservation.
4, modern design of the present utility model, volume little, handsome in appearance, there is low-loss, low noise, the advantage such as shock-resistant.
Be understandable that, the system configuration shown in figure does not form the restriction to system, can comprise the equipment more more or less than diagram, or combine some equipment, or different deployed with devices.
Above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (3)
1. a controlling circuit of voltage regulation for high clutter reduction, is characterized in that, comprising: direct-flow input end, π type filter circuit, controlling circuit of voltage regulation and DC output end, described π type filter circuit and described controlling circuit of voltage regulation altogether, wherein,
Described π type filter circuit comprises high-frequency suppressing magnetic bead L, resistance R1, electric capacity C1, electric capacity C2, described electric capacity C1 and described electric capacity C2 is connected in parallel on the two ends of resistance R1 respectively, described electric capacity C1 and described electric capacity C2 altogether, the first end of described high-frequency suppressing magnetic bead L is connected with described direct-flow input end, described high-frequency suppressing magnetic bead L second end is connected with described resistance R1 first end, and described resistance R1 second end connects described controlling circuit of voltage regulation;
Described controlling circuit of voltage regulation comprises switching tube Q1, switching tube Q2, three end adjustable reference voltage source IC, resistance R2, resistance R3, resistance R4, electrochemical capacitor C3, electrochemical capacitor C4, the first end of described resistance R2 is connected with described π type filter circuit, second end of described resistance R2 is connected with the positive pole of described electrochemical capacitor C3, the minus earth of described electrochemical capacitor C3, the collector electrode of described switching tube Q2 is connected with the first end of described resistance R2, the emitter of described switching tube Q2 and the first end of described resistance R3, DC output end connects, the base stage of described switching tube Q2 is connected with the emitter of described switching tube Q1, the collector electrode of described switching tube Q1 is connected with the collector electrode of described switching tube Q2, the negative pole of described three end adjustable reference voltage source IC is connected with the base stage of described switching tube Q1 and the positive pole of described electrochemical capacitor C3, the plus earth of described three end adjustable reference voltage source IC, the described reference edge of three end adjustable reference voltage source IC and second end of resistance R3, the first end of resistance R4 connects, the second end ground connection of described resistance R4, the first end of described electrochemical capacitor C4 is connected with the first end of described resistance R3, the second end ground connection of described electrochemical capacitor C4.
2. the controlling circuit of voltage regulation of high clutter reduction according to claim 1, is characterized in that, described switching tube Q1 and described switching tube Q2 is triode or metal-oxide-semiconductor.
3. the controlling circuit of voltage regulation of high clutter reduction according to claim 1, is characterized in that, described three end adjustable reference voltage source IC are controllable accurate source of stable pressure TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520862709.2U CN205070775U (en) | 2015-10-29 | 2015-10-29 | Steady voltage control circuit of high clutter reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520862709.2U CN205070775U (en) | 2015-10-29 | 2015-10-29 | Steady voltage control circuit of high clutter reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205070775U true CN205070775U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520862709.2U Expired - Fee Related CN205070775U (en) | 2015-10-29 | 2015-10-29 | Steady voltage control circuit of high clutter reduction |
Country Status (1)
| Country | Link |
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| CN (1) | CN205070775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130327A (en) * | 2016-07-14 | 2016-11-16 | 成都市思卡利科技有限公司 | A kind of mu balanced circuit based on RC π type filter design |
-
2015
- 2015-10-29 CN CN201520862709.2U patent/CN205070775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130327A (en) * | 2016-07-14 | 2016-11-16 | 成都市思卡利科技有限公司 | A kind of mu balanced circuit based on RC π type filter design |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20160302 Termination date: 20161029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |