CN201629683U - Heavy-current rectifier circuit and device thereof - Google Patents
Heavy-current rectifier circuit and device thereof Download PDFInfo
- Publication number
- CN201629683U CN201629683U CN2009202621307U CN200920262130U CN201629683U CN 201629683 U CN201629683 U CN 201629683U CN 2009202621307 U CN2009202621307 U CN 2009202621307U CN 200920262130 U CN200920262130 U CN 200920262130U CN 201629683 U CN201629683 U CN 201629683U
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- rectifier bridge
- big current
- electrochemical capacitor
- negative pole
- rectifier
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Abstract
The utility model relates to a heavy-current rectifier circuit which is connected with a power supply and comprises an electrolytic capacitor C1 and a negative pole which is grounded, as well as a first rectifier bridge BR1 and a second rectifier bridge BR2 which are connected with the electrolytic capacitor C1 in parallel, wherein the current of the first rectifier bridge BR1 and the current of the second rectifier bridge BR2 are smaller than 30A. The utility model further provides a heavy-current rectifier device. The heavy-current rectifier circuit and the device thereof adopt the low-current rectifier bridge parallel connection way, have simple design and reduce the cost.
Description
[technical field]
The utility model relates to a kind of rectification circuit, relates in particular to a kind of big current commutates circuit and device thereof.
[background technology]
At present, the rectification circuit that uses in the circuit all is to select big current commutates bridge for use according to the real work electric current.As shown in Figure 2, the 3rd rectifier bridge BR3 is in parallel with electrochemical capacitor C3, and the electric current of the 3rd rectifier bridge BR3 is greater than 30A, and its positive pole 4 is connected in the positive pole of this electrochemical capacitor C3, the negative pole 1 of the 3rd rectifier bridge BR3 is connected in the negative pole of this electrochemical capacitor C3, the minus earth of electrochemical capacitor C3.And for the rectifier bridge more than the 30A all compare costliness and the friendship phase long, the circuit design more complicated.
[utility model content]
The technical problems to be solved in the utility model provides a kind of big current commutates circuit, uses little current commutates bridge parallel way, and simplicity of design has reduced cost.
The utility model provides a kind of big current commutates circuit, be connected in power supply, comprise electrochemical capacitor C1, minus earth, also comprise the first rectifier bridge BR1 in parallel with described electrochemical capacitor C1 and the second rectifier bridge BR2, the electric current of the wherein said first rectifier bridge BR1 and the second rectifier bridge BR2 is all less than 30A.
As further improvement of the utility model, the interchange end 2 of the first rectifier bridge BR1 with exchange the live wire L that end 3 all is electrically connected on power supply, the interchange end 2 of the second rectifier bridge BR2 is held the 3 zero line N that all are electrically connected on power supply with exchanging.
As further improvement of the utility model, the positive pole 4 of the described first rectifier bridge BR1 and the positive pole 4 of the second rectifier bridge BR2 all are electrically connected on the positive pole of described electrochemical capacitor C1, and the negative pole 1 of the described first rectifier bridge BR1 and the negative pole 1 of the second rectifier bridge BR2 all are electrically connected on the negative pole of described electrochemical capacitor C1.
The utility model also provides a kind of big current rectifier assembly, uses little current commutates bridge parallel way, and simplicity of design has reduced cost.
[description of drawings]
Fig. 1 is the circuit diagram of the big current commutates circuit of the utility model;
Fig. 2 is the circuit diagram of the rectification circuit in the utility model background technology.
[embodiment]
Be described in further detail below in conjunction with accompanying drawing and execution mode of the present utility model.
Be the circuit diagram of the big current commutates circuit of the utility model as shown in Figure 1.This big current commutates circuit is connected in power supply, comprises electrochemical capacitor C1, the first rectifier bridge BR1 and the second rectifier bridge BR2.Wherein, the minus earth of this electrochemical capacitor C1, the first rectifier bridge BR1 is all in parallel with this electrochemical capacitor C1 with the second rectifier bridge BR2, and wherein the electric current of the first rectifier bridge BR1 and the second rectifier bridge BR2 is all less than 30A.
In the present embodiment, the interchange end 2 of the first rectifier bridge BR1 with exchange the live wire L that end 3 all is electrically connected on power supply, the interchange end 2 of the second rectifier bridge BR2 is held the 3 zero line N that all are electrically connected on power supply with exchanging.The positive pole 4 of the first rectifier bridge BR1 and the positive pole 4 of the second rectifier bridge BR2 all are electrically connected on the positive pole of described electrochemical capacitor C1, and the negative pole 1 of the described first rectifier bridge BR1 and the negative pole 1 of the second rectifier bridge BR2 all are electrically connected on the negative pole of described electrochemical capacitor C1.
In the present embodiment, the first rectifier bridge BR1 and the second rectifier bridge BR2 form by four diodes.The positive pole 4 of the first rectifier bridge BR1, the negative pole 1 of the first rectifier bridge BR1, the positive pole 4 of the second rectifier bridge BR2 and the negative pole 1 of the second rectifier bridge BR2 are dc terminal.
In the present embodiment, recommend to select for use the rectifier bridge of same brand, same production batch, can guarantee diode switch speed unanimity like this.Perhaps through selecting the diode that can guarantee diode switch speed unanimity.
The utility model also provides a kind of big current rectifier assembly, comprises this big current commutates circuit.
The circuit diagram of the rectification circuit in the utility model background technology as shown in Figure 2.In prior art, rectification circuit comprises the 3rd rectifier bridge BR3 and electrochemical capacitor C3 in parallel.Wherein the electric current of the 3rd rectifier bridge BR3 is greater than 30A.The positive pole 4 of the 3rd rectifier bridge BR3 is connected in the positive pole of this electrochemical capacitor C3, and the negative pole 1 of the 3rd rectifier bridge BR3 is connected in the negative pole of this electrochemical capacitor C3, the minus earth of electrochemical capacitor C3.
Big current commutates circuit provided by the utility model and device thereof adopt little current commutates bridge parallel way, and simplicity of design has reduced cost.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (6)
1. one kind big current commutates circuit, be connected in power supply, comprise electrochemical capacitor C1, minus earth, it is characterized in that: also comprise the first rectifier bridge BR1 in parallel with described electrochemical capacitor C1 and the second rectifier bridge BR2, the electric current of the wherein said first rectifier bridge BR1 and the second rectifier bridge BR2 is all less than 30A.
2. big current commutates circuit according to claim 1 is characterized in that: the interchange end 2 of the first rectifier bridge BR1 with exchange the live wire L that end 3 all is electrically connected on power supply, the interchange end 2 of the second rectifier bridge BR2 is held the 3 zero line N that all are electrically connected on power supply with exchanging.
3. big current commutates circuit according to claim 1, it is characterized in that: the positive pole 4 of the described first rectifier bridge BR1 and the positive pole 4 of the second rectifier bridge BR2 all are electrically connected on the positive pole of described electrochemical capacitor C1, and the negative pole 1 of the described first rectifier bridge BR1 and the negative pole 1 of the second rectifier bridge BR2 all are electrically connected on the negative pole of described electrochemical capacitor C1.
4. according to claim 2 or 3 described big current commutates circuit, it is characterized in that: the described first rectifier bridge BR1 and the second rectifier bridge BR2 form by four diodes.
5. big current commutates circuit according to claim 4 is characterized in that: the positive pole 4 of the described first rectifier bridge BR1, the negative pole 1 of the first rectifier bridge BR1, the positive pole 4 of the second rectifier bridge BR2 and the negative pole 1 of the second rectifier bridge BR2 are dc terminal.
6. a big current rectifier assembly is characterized in that: comprise that claim 1 is to each described big current commutates circuit of claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202621307U CN201629683U (en) | 2009-12-25 | 2009-12-25 | Heavy-current rectifier circuit and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202621307U CN201629683U (en) | 2009-12-25 | 2009-12-25 | Heavy-current rectifier circuit and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629683U true CN201629683U (en) | 2010-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202621307U Expired - Fee Related CN201629683U (en) | 2009-12-25 | 2009-12-25 | Heavy-current rectifier circuit and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629683U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165106A1 (en) * | 2014-04-30 | 2015-11-05 | 深圳欧陆通电子有限公司 | Electrical device, power supply device, and rectifier circuit thereof |
| CN106452115A (en) * | 2016-12-12 | 2017-02-22 | 梁正 | Double-bridge rectifying circuit capable of reducing power consumption and harmonic pollution |
-
2009
- 2009-12-25 CN CN2009202621307U patent/CN201629683U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015165106A1 (en) * | 2014-04-30 | 2015-11-05 | 深圳欧陆通电子有限公司 | Electrical device, power supply device, and rectifier circuit thereof |
| CN106452115A (en) * | 2016-12-12 | 2017-02-22 | 梁正 | Double-bridge rectifying circuit capable of reducing power consumption and harmonic pollution |
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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: 20101110 Termination date: 20171225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |