CN201910734U - Simple and practical spike absorbing and filtering circuit - Google Patents
Simple and practical spike absorbing and filtering circuit Download PDFInfo
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- CN201910734U CN201910734U CN2010206610126U CN201020661012U CN201910734U CN 201910734 U CN201910734 U CN 201910734U CN 2010206610126 U CN2010206610126 U CN 2010206610126U CN 201020661012 U CN201020661012 U CN 201020661012U CN 201910734 U CN201910734 U CN 201910734U
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Abstract
The utility model discloses a simple and practical spike absorbing and filtering circuit, comprising a rectifier module, a primary filter module, a direct-current smoothing module, a spike absorbing module and a smooth energy releasing module; the alternating-current power supply is input to the rectifier module so as to be rectified by the rectifier module, is subsequently output to the primary filter module, and is finally output by the direct-current smoothing module; the spike absorbing module is connected in series between the rear stage of the direct-current smoothing module and the ground surface; and the smooth energy releasing module is connected in parallel with the spike absorbing module. The circuit has simple structure; the spike pulse in the power network can be filtered effectively, thus playing good role on the smoothness of the voltage in the circuit; furthermore, the influence on the PF value of the circuit is minimized, and the circuit can obtain smooth direct-current voltage.
Description
Technical field
The spike that the utility model discloses in a kind of power circuit absorbs circuit, and particularly a kind of simple and practical spike absorbs, filter circuit.
Background technology
Spike absorbs circuit and filter circuit almost is the electronic circuit that must establish in each ac power circuit, absorbs the effectively spike in the filtering electrical network etc. of circuit and filter circuit, the quality of the direct current supply of maintenance load by spike.At present, spike commonly used absorbs circuit and filter circuit is generally pi type filter, but because the restriction of pi type filter self structure makes the PF value of filter effect and circuit be inversely proportional to, and promptly the appearance value of pi type filter is big more, the PF value of circuit is just poor more.
Summary of the invention
The shortcoming that is inversely proportional at the PF value of above-mentioned pi type filter filter effect of mentioning of the prior art and circuit, the utility model provides a kind of new simple and practical spike absorption, filter circuit, it is connected with spike and absorbs module peace lingering diarrhea exoergic module in circuit, two module cooperatings, make that not only the spike of electrical network can be absorbed very soon, and to the PF value of the circuit minimum that exerts an influence.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of simple and practical spike absorbs, filter circuit, circuit comprises that rectification module, one-level filtration module, the level and smooth module of direct current, spike absorb module peace lingering diarrhea exoergic module, AC power input rectifying module, after the rectification module rectification, export to the one-level filtration module, export after the level and smooth module of one-level filtration module output process direct current, be serially connected with spike after the level and smooth module of direct current between level and the ground and absorb module, absorb module with spike and be connected in parallel to the energy module of smoothly releasing.
The technical scheme that its technical problem that solves the utility model adopts further comprises:
Described rectification module adopts bridge rectifier.
Described one-level filtration module is the filter capacitor C2 that is connected across between rectification module output and the ground.
The level and smooth module of described direct current comprises inductance L 1 that is serially connected on the rectification module output and the resistance R 1 that is connected in parallel with inductance L 1.
Described spike absorbs module and comprises diode D9 and capacitor C 18, and diode D9 and capacitor C 18 are connected in series, and diode D9 that is connected in series and capacitor C 18 are connected across between the output and ground of the level and smooth module of direct current.
The described energy module of smoothly releasing is a resistance R 29, and resistance R 29 is connected in parallel with diode D9.
The beneficial effects of the utility model are: the utility model circuit structure is simple, by effectively spike in the filtering electrical network of the utility model, to voltage in the circuit smoothly play the effect of becoming reconciled, and, make circuit obtain very level and smooth direct voltage to the PF value of the circuit minimum that exerts an influence.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Present embodiment is the utility model preferred implementation, and other all its principles are identical with present embodiment or approximate with basic structure, all within the utility model protection range.
Please referring to accompanying drawing 1 and accompanying drawing 2, the utility model mainly comprises rectification module, the one-level filtration module, the level and smooth module of direct current, spike absorbs module peace lingering diarrhea exoergic module, AC power input rectifying module, in the present embodiment, rectification module adopts bridge rectifier BD1, AC power converts direct current to and exports to the one-level filtration module and carry out filtering after the rectification module rectification, in the present embodiment, the one-level filtration module is the filter capacitor C2 that is connected across between rectification module output and the ground, the output of one-level filtration module is carried out direct current level and smooth back output through the level and smooth module of direct current, in the present embodiment, the level and smooth module of direct current comprises inductance L 1 that is serially connected on the rectification module output and the resistance R 1 that is connected in parallel with inductance L 1, be serially connected with spike after the level and smooth module of direct current between level and the ground and absorb module, in the present embodiment, spike absorbs module and comprises diode D9 and capacitor C 18, diode D9 and capacitor C 18 are connected in series, diode D9 that is connected in series and capacitor C 18 are connected across between the output and ground of the level and smooth module of direct current, the energy module of smoothly releasing is a resistance R 29, and resistance R 29 is connected in parallel with diode D9.
The utility model in use, when having spike to enter circuit in the electrical network, diode D9 conducting gives capacitor C 18 chargings, and the spike in the electrical network is absorbed very soon; When the peak value of spike enters low ebb, diode D9 ends, at this moment, capacitor C 18 both end voltage raise, the negative pole of the positive pole of capacitor C 18 and diode D9 produces potential difference, capacitor C 18 can obtain very level and smooth direct voltage by resistance R 29 slowly discharge in circuit in the circuit that makes, and will drop to minimum to the influence of the PF value of circuit.
The utility model circuit structure is simple, by effectively spike in the filtering electrical network of the utility model, to voltage in the circuit smoothly play the effect of becoming reconciled, and, make circuit obtain very level and smooth direct voltage to the PF value of the circuit minimum that exerts an influence.
Claims (6)
- A simple and practical spike absorb, filter circuit, it is characterized in that: described circuit comprises that rectification module, one-level filtration module, the level and smooth module of direct current, spike absorb module peace lingering diarrhea exoergic module, AC power input rectifying module, after the rectification module rectification, export to the one-level filtration module, export after the level and smooth module of one-level filtration module output process direct current, be serially connected with spike after the level and smooth module of direct current between level and the ground and absorb module, absorb module with spike and be connected in parallel to the energy module of smoothly releasing.
- 2. simple and practical spike according to claim 1 absorbs, filter circuit, it is characterized in that: described rectification module adopts bridge rectifier.
- 3. simple and practical spike according to claim 1 absorbs, filter circuit, and it is characterized in that: described one-level filtration module is the filter capacitor C2 that is connected across between rectification module output and the ground.
- 4. simple and practical spike according to claim 1 absorbs, filter circuit, and it is characterized in that: the level and smooth module of described direct current comprises inductance L 1 that is serially connected on the rectification module output and the resistance R 1 that is connected in parallel with inductance L 1.
- 5. according to any described simple and practical spike absorption, filter circuit in the claim 1 to 4, it is characterized in that: described spike absorbs module and comprises diode D9 and capacitor C 18, diode D9 and capacitor C 18 are connected in series, and diode D9 that is connected in series and capacitor C 18 are connected across between the output and ground of the level and smooth module of direct current.
- 6. simple and practical spike according to claim 5 absorbs, filter circuit, and it is characterized in that: the described energy module of smoothly releasing is a resistance R 29, and resistance R 29 is connected in parallel with diode D9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206610126U CN201910734U (en) | 2010-12-15 | 2010-12-15 | Simple and practical spike absorbing and filtering circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206610126U CN201910734U (en) | 2010-12-15 | 2010-12-15 | Simple and practical spike absorbing and filtering circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201910734U true CN201910734U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206610126U Expired - Fee Related CN201910734U (en) | 2010-12-15 | 2010-12-15 | Simple and practical spike absorbing and filtering circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201910734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403712A (en) * | 2011-11-22 | 2012-04-04 | 奇瑞汽车股份有限公司 | Processing circuit for phase shifted full bridge diode peak in on-board charger |
-
2010
- 2010-12-15 CN CN2010206610126U patent/CN201910734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403712A (en) * | 2011-11-22 | 2012-04-04 | 奇瑞汽车股份有限公司 | Processing circuit for phase shifted full bridge diode peak in on-board charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: MOSO POWER SUPPLY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN MOSO POWER SUPPLY TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen Nanshan District City, Guangdong province 518108 industrial park outside the small pine Tai Bai Lu Bai mang mulberry 6 layer Patentee after: MOSO Power Supply Technology Co., Ltd. Address before: Shenzhen Nanshan District City, Guangdong province 518108 industrial park outside the small pine Tai Bai Lu Bai mang mulberry 6 layer Patentee before: Shenzhen MoSo Power Supply Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20181215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |