CN201440610U - Anti- electrical surge and anti-rapid pulse PFC circuit - Google Patents
Anti- electrical surge and anti-rapid pulse PFC circuit Download PDFInfo
- Publication number
- CN201440610U CN201440610U CN2009201302338U CN200920130233U CN201440610U CN 201440610 U CN201440610 U CN 201440610U CN 2009201302338 U CN2009201302338 U CN 2009201302338U CN 200920130233 U CN200920130233 U CN 200920130233U CN 201440610 U CN201440610 U CN 201440610U
- Authority
- CN
- China
- Prior art keywords
- circuit
- absorptive unit
- pfc circuit
- fast
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to an anti-electrical surge and anti-rapid pulse PFC circuit, which comprises a rectifier filtering circuit that is electrically connected with the power source and a voltage boosting circuit that is connected with the rectifier filtering circuit; and the voltage boosting circuit comprises electrical inductance, a voltage boosting diode, and an MOS tube which are tandem connected; the characteristics of the anti-electrical surge and anti-rapid pulse PFC circuit are as follows: the PFC circuit also comprises a first absorbing unit which is connected between live wire and zero wire, a second absorbing unit which is connected with a rectifier bridge of the rectifier filtering circuit in parallel, a third absorbing unit which is connected with filter capacitor of the rectifier filtering circuit in parallel, a fourth absorbing unit which is connected with the voltage boosting diode in parallel, and a fifth absorbing unit which is connected between the source electrode and the drain electrode of the MOS tube. The anti-electrical surge and anti-rapid pulse PFC circuit has effect anti-electrical surge and anti-rapid pulse advantages.
Description
Technical field
The utility model relates to a kind of pfc circuit, more particularly, relates to the pfc circuit of a kind of anti-surge and fast-pulse.
Background technology
As everyone knows, the circuit back warp often need be used pfc circuit (Power Factor Correction, power factor correction circuit), yet, traditional pfc circuit, when especially being applied on the ballast of traditional non-isolation grounding system, it often is subjected to surge, the influence of fast-pulse string, even damage.For example, when live wire between the zero line by 1500V voltage, live wire is to ground, when zero line impacted by 2000V fast-pulse string respectively between ground, the very easy rated voltage stress that surpasses of the part in the pfc circuit damaged to cause circuit; Perhaps, when circuit repeatedly carried out high-speed switch, fast-pulse also can make pfc circuit impaired.
The utility model content
The technical problems to be solved in the utility model is, is difficult to effectively prevent the defective of surge and fast-pulse at the above-mentioned pfc circuit of prior art, provides a kind of and can effectively prevent the anti-surge of surge and fast-pulse and the pfc circuit of fast-pulse.
The technical scheme that its technical problem that solves the utility model adopts is: the pfc circuit of constructing a kind of anti-surge and fast-pulse, comprise the current rectifying and wave filtering circuit that is electrically connected mutually with power supply, and the booster circuit that links to each other with current rectifying and wave filtering circuit, booster circuit comprises the inductance of series connection, booster diode, and metal-oxide-semiconductor, it is characterized in that, also comprise first absorptive unit that is connected between live wire and the zero line, be parallel to second absorptive unit on the rectifier bridge in the current rectifying and wave filtering circuit, be parallel to the 3rd absorptive unit on the filter capacitor in the current rectifying and wave filtering circuit, four absorptive unit in parallel with described booster diode, and be connected in metal-oxide-semiconductor source electrode and the drain electrode between the 5th absorptive unit.
In the pfc circuit of described anti-surge and fast-pulse, described first absorptive unit, described second absorptive unit, described the 3rd absorptive unit, described the 4th absorptive unit, and described the 5th absorptive unit include absorber element.
In the pfc circuit of described anti-surge and fast-pulse, described absorber element is a lightning protection component.
In the pfc circuit of described anti-surge and fast-pulse, described lightning protection component is piezo-resistance or discharge tube or both combinations.
In the pfc circuit of described anti-surge and fast-pulse, also comprise the anti-electromagnetic interference circuit that is connected between live wire and the zero line.
Implement the pfc circuit of a kind of anti-surge of the present utility model and fast-pulse, have following beneficial effect: it is by each link at pfc circuit, as between live wire and the zero line, on the current rectifying and wave filtering circuit, and booster circuit on absorptive unit all is set, to absorb surge and fast-pulse, thereby have the advantage that effectively prevents surge and fast-pulse, can bear in the circuit repeatedly Push And Release fast.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the circuit diagram of a preferred embodiment of the pfc circuit of anti-surge of the utility model and fast-pulse.
Embodiment
Principle of the present utility model increases absorptive unit absorbing surge and fast-pulse layer by layer for each link at pfc circuit, thereby prevents that effectively surge and fast-pulse from damaging circuit, and even applied each complete machine of pfc circuit.
Pfc circuit generally includes the current rectifying and wave filtering circuit that is electrically connected mutually with power supply, and the booster circuit that links to each other with current rectifying and wave filtering circuit, booster circuit comprises the inductance of series connection, booster diode, and metal-oxide-semiconductor, the pfc circuit that the utility model provides also comprises first absorptive unit that is connected between live wire and the zero line, be parallel to second absorptive unit on the rectifier bridge in the current rectifying and wave filtering circuit, be parallel to the 3rd absorptive unit on the filter capacitor in the current rectifying and wave filtering circuit, four absorptive unit in parallel with described booster diode, and be connected in metal-oxide-semiconductor source electrode and the drain electrode between the 5th absorptive unit.
As shown in Figure 1, it is the circuit diagram of a preferred embodiment of the pfc circuit of anti-surge of the present utility model and fast-pulse.
Between live wire L and zero line N, be provided with first absorptive unit that constitutes by piezo-resistance ZR1, effectively to prevent thunderbolt at the initial output of power supply.Between live wire and zero line, also be provided with the EMI circuit of anti-electromagnetic interference, current rectifying and wave filtering circuit links to each other with the output of EMI circuit, simultaneously, be parallel with second absorptive unit that constitutes by piezo-resistance ZR2 on diode D3 in rectifier bridge and the D5 respectively, on the filter capacitor C1 of current rectifying and wave filtering circuit, be parallel with the 3rd absorptive unit that constitutes by piezo-resistance ZR5.The booster circuit that links to each other with current rectifying and wave filtering circuit comprises high-power inductance, booster diode, reaches metal-oxide-semiconductor, the series connection that links to each other with the anode of booster diode of high-power inductance, the negative electrode of booster diode links to each other with the drain electrode of metal-oxide-semiconductor, be connected with the 5th absorptive unit that is made of piezo-resistance ZR4 between the source electrode of metal-oxide-semiconductor and the drain electrode, the grid of metal-oxide-semiconductor passes through grounding through resistance.
Described first absorptive unit, second absorptive unit, the 3rd absorptive unit, the 4th absorptive unit, and the 5th absorptive unit include absorber element.Absorber element is lightning protection component or other absorber element, absorb circuit and utilize the absorption device of the equivalence that structure forms.Lightning protection component commonly used comprises piezo-resistance or discharge tube, and the absorber element that the utility model adopted can be one or more piezo-resistances, also can be one or more discharge tubes, or the combination of piezo-resistance and discharge tube.
The pfc circuit that the utility model provides has electromagnetic compatibility (EMC) safeguard function, when thunderbolt voltage or fast-pulse occurring, the absorptive unit of for example piezo-resistance in the circuit can sponge improper energy, guarantee trouble free service in thunderbolt or fast-pulse, aspect anti-lightning strike, be possessed of good qualities.This pfc circuit is applicable to ballast, and electroless lamp ballasting device especially is applicable to that street lamp etc. need use in the complete machine of pfc circuit, can be installed in the open air, the situation that can not occur being struck by lightning and damage at area with more lightning activities.And can bear repeatedly high-speed switch, for example, in the electroless lamp ballasting device, high-speed switch 200,000 times can not damage complete machine yet.And circuit is simple, and cost is lower.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. the pfc circuit of anti-surge and fast-pulse, comprise the current rectifying and wave filtering circuit that is electrically connected mutually with power supply, and the booster circuit that links to each other with current rectifying and wave filtering circuit, booster circuit comprises the inductance of series connection, booster diode, and metal-oxide-semiconductor, it is characterized in that, also comprise first absorptive unit that is connected between live wire and the zero line, be parallel to second absorptive unit on the rectifier bridge in the current rectifying and wave filtering circuit, be parallel to the 3rd absorptive unit on the filter capacitor in the current rectifying and wave filtering circuit, four absorptive unit in parallel with described booster diode, and be connected in metal-oxide-semiconductor source electrode and the drain electrode between the 5th absorptive unit.
2. the pfc circuit of anti-surge according to claim 1 and fast-pulse, it is characterized in that, described first absorptive unit, described second absorptive unit, described the 3rd absorptive unit, described the 4th absorptive unit, and described the 5th absorptive unit include absorber element.
3. the pfc circuit of anti-surge according to claim 2 and fast-pulse is characterized in that, described absorber element is a lightning protection component.
4. the pfc circuit of anti-surge according to claim 3 and fast-pulse is characterized in that, described lightning protection component is piezo-resistance or discharge tube or both combinations.
5. the pfc circuit of anti-surge according to claim 1 and fast-pulse is characterized in that, also comprises the anti-electromagnetic interference circuit that is connected between live wire and the zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201302338U CN201440610U (en) | 2009-03-31 | 2009-03-31 | Anti- electrical surge and anti-rapid pulse PFC circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201302338U CN201440610U (en) | 2009-03-31 | 2009-03-31 | Anti- electrical surge and anti-rapid pulse PFC circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440610U true CN201440610U (en) | 2010-04-21 |
Family
ID=42545269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201302338U Expired - Fee Related CN201440610U (en) | 2009-03-31 | 2009-03-31 | Anti- electrical surge and anti-rapid pulse PFC circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440610U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166440A (en) * | 2013-01-31 | 2013-06-19 | 佛山市华全电气照明有限公司 | Light-emitting diode (LED) rectifying circuit drainage high-voltage surge circuit |
| WO2013185736A3 (en) * | 2012-11-12 | 2014-02-13 | 中兴通讯股份有限公司 | Surge protection circuit |
| CN104883058A (en) * | 2015-06-30 | 2015-09-02 | 株洲科瑞变流电气有限公司 | Power source based on IGBT serial-parallel connection |
| CN105099165A (en) * | 2014-05-19 | 2015-11-25 | 北京东土科技股份有限公司 | EMC protection and filtering device and method of high voltage power supply |
| CN105305794A (en) * | 2014-07-09 | 2016-02-03 | 德尔福技术有限公司 | Transient voltage protection for bridge rectifier |
| CN107181240A (en) * | 2017-06-26 | 2017-09-19 | 中领世能（天津）科技有限公司 | Rectifier bridge protection circuit, over-pressure safety device and electric power system |
-
2009
- 2009-03-31 CN CN2009201302338U patent/CN201440610U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013185736A3 (en) * | 2012-11-12 | 2014-02-13 | 中兴通讯股份有限公司 | Surge protection circuit |
| EP2860863A4 (en) * | 2012-11-12 | 2016-04-06 | Zte Corp | Surge protection circuit |
| CN103166440A (en) * | 2013-01-31 | 2013-06-19 | 佛山市华全电气照明有限公司 | Light-emitting diode (LED) rectifying circuit drainage high-voltage surge circuit |
| CN105099165A (en) * | 2014-05-19 | 2015-11-25 | 北京东土科技股份有限公司 | EMC protection and filtering device and method of high voltage power supply |
| CN105099165B (en) * | 2014-05-19 | 2017-12-19 | 北京东土科技股份有限公司 | A kind of EMC protection of high voltage power supply and filter and method |
| CN105305794A (en) * | 2014-07-09 | 2016-02-03 | 德尔福技术有限公司 | Transient voltage protection for bridge rectifier |
| CN104883058A (en) * | 2015-06-30 | 2015-09-02 | 株洲科瑞变流电气有限公司 | Power source based on IGBT serial-parallel connection |
| CN107181240A (en) * | 2017-06-26 | 2017-09-19 | 中领世能（天津）科技有限公司 | Rectifier bridge protection circuit, over-pressure safety device and electric power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201440610U (en) | Anti- electrical surge and anti-rapid pulse PFC circuit | |
| CN202841003U (en) | A new three-phase photovoltaic grid-connected inverter system structure | |
| CN203590551U (en) | Led drive circuit | |
| CN204332571U (en) | The special gapless metal-oxide lighting arrester of photovoltaic generation | |
| CN209267278U (en) | A kind of thunder and lightning power generator | |
| CN209593824U (en) | A kind of anti-lightning strike LED drive circuit for inhibiting inrush current | |
| CN207039445U (en) | A kind of Anti-surging single- stage PFC circuit of reversed excitation and power supply | |
| CN210518945U (en) | Lightning-proof and surge-proof LED driving circuit | |
| CN201928483U (en) | Constant-current drive circuit for lighting LED | |
| CN208522661U (en) | A kind of current rectifying and wave filtering circuit | |
| CN202455252U (en) | IGBT driving circuit of megawatt wind power converter | |
| CN202931602U (en) | Improved structure of LED fluorescent lamp driving circuit | |
| CN204089609U (en) | A kind of Switching Power Supply of LED street lamp | |
| CN201213326Y (en) | Low-temperature starting power circuit of electrodeless lamp | |
| CN201479029U (en) | Electronic rectifier | |
| CN202679768U (en) | High-efficiency electronic rectifier | |
| CN203734301U (en) | Power grid surge voltage protection circuit | |
| CN103779859B (en) | The protection circuit of electrical network surge voltage | |
| CN211830567U (en) | Lightning protection filtering power supply circuit | |
| CN219919220U (en) | DOB light source using power supply | |
| CN101631415B (en) | Electronic rectifier of fluorescent lamp | |
| CN102522883A (en) | Passive power factor correction circuit | |
| CN201910734U (en) | Simple and practical spike absorbing and filtering circuit | |
| CN201752148U (en) | LED lamp power supply surge energy absorption and transfer device | |
| CN203448846U (en) | Inverter welding machine |
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: SHENZHEN TOPBAND CO.,LTD Free format text: FORMER NAME: SHENZHEN TOPBAND ELECTRONICS + TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Research Institute, Tsinghua University, B District, building four Patentee after: Shenzhen Topband Co., Ltd. Address before: 518057 Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Research Institute, Tsinghua University, B District, building four Patentee before: Tuobang Electronic Science and Technology Co., Ltd., Shenzhen City |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20150331 |
|
| EXPY | Termination of patent right or utility model |