CN204190607U - A kind of circuit suppressing electrochemical capacitor start impulse current - Google Patents
A kind of circuit suppressing electrochemical capacitor start impulse current Download PDFInfo
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- CN204190607U CN204190607U CN201420641700.4U CN201420641700U CN204190607U CN 204190607 U CN204190607 U CN 204190607U CN 201420641700 U CN201420641700 U CN 201420641700U CN 204190607 U CN204190607 U CN 204190607U
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Abstract
The utility model relates to power circuit technical field, a kind of circuit suppressing electrochemical capacitor start impulse current is disclosed, comprise two inputs, first resistance R1 one end is connected with input 1, second resistance R2 one end is connected with second electric capacity C2 one end, this tie point is connected with the other end of R1 and is connected with the grid of the first switching tube V1 simultaneously, and the other end of R2 and C2 is connected to input 2; First diode D1 anode is connected with the grid of V1, and negative electrode is connected with input 1; One end of 3rd resistance R3 is connected with the drain electrode of V1, and the other end is connected with input 2; The drain electrode of V1 is connected with the negative pole of the first electric capacity C1, and the positive pole of C1 is connected with input 1; Input 1 is connected with power conversion main circuit respectively with input 2.The utility model can suppress electrochemical capacitor to start shooting the electric current impacted, and solves the shortcomings such as the circuit that available circuit exists is complicated, cost is high, volume is large, has simple circuit, cost is low, volume is little characteristic.
Description
Technical field
The utility model relates to power circuit technical field, especially relates to a kind of circuit suppressing electrochemical capacitor start impulse current.
Technical background
Existing a kind of circuit suppressing start impulse current.Refer to Fig. 1, this circuit is primarily of a resistance R1, and a relay K 1 and delay control circuit form.This circuit comprises input positive port one, input negative terminal mouth 2, and one end of resistance R1 is connected with port one, and one end is connected with one end of relay K 1, this node is connected with the positive pole of electric capacity C1, and the positive pole of C1 is connected with the power conversion main circuit of rear end.The other end of K1 is connected with port one, and the control port of K1 is connected with delay control circuit, and delay control circuit is made up of some resistance capacitances and integrated circuit.
Booting moment is due to delay control circuit effect, and relay K 1 not conducting, is charged to electric capacity C1 by resistance R1 by port one and port 2, which suppress start impulse current.After reaching delay time, delay control circuit action makes relay K 1 conducting, and the start of power supply completes.
But the control circuit of this this delay circuit is complicated, the large relay volume of the change along with input current can be very large, and the holistic cost of circuit obviously increases.
Summary of the invention
In order to solve the shortcomings such as the circuit that foregoing circuit exists is complicated, cost is high, volume is large, the utility model proposes little a kind of of simple circuit, low cost, volume and suppressing electrochemical capacitor to start shooting the circuit of impulse current.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Suppress a circuit for electrochemical capacitor start impulse current, it comprises the first resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1, and the second electric capacity C2, the first diode D1, the first switching tube V1 form.Booting moment electric capacity C2 is charged through resistance R1 by input voltage, and during this, switching tube V1 turns off, and the second electric capacity C2 is charged through the 3rd resistance R3 by input voltage, thus inhibits electric capacity booting moment charging current.
Owing to adopting technical scheme as above, the utility model has following superiority:
Suppress electrochemical capacitor to start shooting the circuit of impulse current, compared with prior art, this circuit is simple and reliable, use that device is few, circuit cost is low, take up room the advantage such as little, be worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is a kind of existing suppression electrochemical capacitor start impulse current circuit.
Fig. 2 is the circuit that this utility model suppresses electrochemical capacitor start impulse current.
Embodiment
Refer to Fig. 2, it is the circuit diagram that this utility model suppresses starup current impact.It comprises the first resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1, and the second electric capacity C2, the first diode D1, the first switching tube V1 form.Booting moment electric capacity C2 is charged through resistance R1 by input voltage, and during this, switching tube V1 turns off, and the second electric capacity C2 is charged through the 3rd resistance R3 by input voltage.
First switching tube is field-effect transistor.Circuit comprises two inputs, 1 end be input power just, 2 ends be input power bear.First resistance R1 one end is connected with input 1, and second resistance R2 one end is connected with second electric capacity C2 one end, and this tie point is connected with the other end of R1 and is connected with the grid of the first switching tube V1 simultaneously, and the other end of R2 and C2 is connected to input 2.First diode D1 anode is connected with the grid of V1, and negative electrode is connected with input 1.One end of 3rd resistance R3 is connected with the drain electrode of V1, and the other end is connected with input 2.The drain electrode of V1 is connected with the negative pole of the first electric capacity C1, and the positive pole of C1 is connected with input 1.Input 1 is connected with power conversion main circuit respectively with input 2.
Claims (3)
1. one kind is suppressed the circuit of electrochemical capacitor start impulse current, it comprises two inputs, first resistance R1, the second resistance R2, the 3rd resistance R3, first electric capacity C1, second electric capacity C2, the first diode D1, the first switching tube V1 form, and first resistance R1 one end is connected with input 1, and second resistance R2 one end is connected with second electric capacity C2 one end, this tie point is connected with the other end of R1 and is connected with the grid of the first switching tube V1 simultaneously, and the other end of R2 and C2 is connected to input 2; First diode D1 anode is connected with the grid of V1, and negative electrode is connected with input 1; One end of 3rd resistance R3 is connected with the drain electrode of V1, and the other end is connected with input 2; The drain electrode of V1 is connected with the negative pole of the first electric capacity C1, and the positive pole of C1 is connected with input 1; Input 1 is connected with power conversion main circuit respectively with input 2.
2. circuit as claimed in claim 1, is characterized in that: the first switching tube is field-effect transistor.
3. circuit as claimed in claim 1, is characterized in that: described two inputs, input 1 be input power just, input 2 is born for input power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641700.4U CN204190607U (en) | 2014-10-31 | 2014-10-31 | A kind of circuit suppressing electrochemical capacitor start impulse current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641700.4U CN204190607U (en) | 2014-10-31 | 2014-10-31 | A kind of circuit suppressing electrochemical capacitor start impulse current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190607U true CN204190607U (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641700.4U Expired - Fee Related CN204190607U (en) | 2014-10-31 | 2014-10-31 | A kind of circuit suppressing electrochemical capacitor start impulse current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429449A (en) * | 2015-12-09 | 2016-03-23 | 深圳欧陆通电子有限公司 | Anti-surge switching power supply and anti-surge circuit |
| CN105515412A (en) * | 2015-12-22 | 2016-04-20 | 上海交通大学 | Automatic soft power-on rectifying circuit |
| CN105591534A (en) * | 2015-12-22 | 2016-05-18 | 上海交通大学 | Single-phase rectification wide region power supply power-on circuit |
-
2014
- 2014-10-31 CN CN201420641700.4U patent/CN204190607U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429449A (en) * | 2015-12-09 | 2016-03-23 | 深圳欧陆通电子有限公司 | Anti-surge switching power supply and anti-surge circuit |
| WO2017097002A1 (en) * | 2015-12-09 | 2017-06-15 | 深圳欧陆通电子有限公司 | Anti-surge switching power supply and anti-surge circuit |
| CN105515412A (en) * | 2015-12-22 | 2016-04-20 | 上海交通大学 | Automatic soft power-on rectifying circuit |
| CN105591534A (en) * | 2015-12-22 | 2016-05-18 | 上海交通大学 | Single-phase rectification wide region power supply power-on circuit |
| CN105591534B (en) * | 2015-12-22 | 2018-04-06 | 上海交通大学 | Single-phase rectifier wide-range power electrification circuit |
| CN105515412B (en) * | 2015-12-22 | 2018-05-29 | 上海交通大学 | Automatically it is soft to power on rectification circuit |
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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: 20150304 Termination date: 20191031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |