CN201766513U - Switch power with zero-crossing detection of pulper - Google Patents
Switch power with zero-crossing detection of pulper Download PDFInfo
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- CN201766513U CN201766513U CN2010205251037U CN201020525103U CN201766513U CN 201766513 U CN201766513 U CN 201766513U CN 2010205251037 U CN2010205251037 U CN 2010205251037U CN 201020525103 U CN201020525103 U CN 201020525103U CN 201766513 U CN201766513 U CN 201766513U
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model relates to a switch power, specifically to a switch power with zero-crossing detection of a pulper, wherein one end of a bridge rectifier filter circuit is connected with an input AC power, while the other end is respectively connected with one end of a zero-crossing detection circuit, a peak pulse absorption loop circuit and a high-voltage soft-start circuit, the other end of the zero-crossing detection circuit is connected with a DC output circuit, the other end of the peak pulse absorption loop circuit is respectively connected with one end of a high-frequency transformer and a single-chip switch power module IC circuit, the other end of the high-voltage soft-start circuit is connected with the single-ship switch power module IC circuit, an output end of the high-frequency transformer is respectively connected with a DC output circuit and a chip supply circuit, wherein the chip supply circuit supplies power for the single-ship switch power module IC circuit. The pulper with the switch power has the advantages of stable output voltage, small volume, light weight, less consumable, convenient mounting, small standby power, high conversion efficiency, energy-conservation, environmental protection and wide voltage adaptation range.
Description
Technical field
The utility model relates to a kind of Switching Power Supply, is specifically related to a kind of Switching Power Supply of band zero passage detection of pulper.
Background technology
Now pulper of selling on the market such as soy bean milk making machine, rice paste machine, material crusher, etc. the dc power supply of control system adopt traditional low-frequency transformer to power mostly, such transformer exist the material that volume is big, weight big, expend many, install bother, defectives such as standby power is big, conversion efficiency is low, voltage adaptation narrow range.A kind of soy bean milk making machine adopts the switching power circuit of the less high frequency transformer of volume for ZL200720053410.8 has disclosed for Chinese patent application number, but because the feedback circuit of this circuit directly is connected on the dc output circuit, forceful electric power voltage directly links to each other with light current voltage, thereby cause input AC electricity and output DC not to be isolated, therefore need provide one on feedback circuit, to connect an optocoupler, and then increase cost.Though 200920126090.3 to have solved number of patent application be the problem of ZL200720053410.8, but itself still have sampling feedback circuit and need connect a diode and resistor voltage divider circuit, zero cross detection circuit also needs to connect a diode simultaneously, entire circuit is too complicated, and then increased cost, new switching power circuit has saved sampling feedback circuit and current detection circuit, has optimized zero cross detection circuit.
Summary of the invention
At problems of the prior art, the purpose of this utility model is to provide a kind of technical scheme of Switching Power Supply of band zero passage detection of pulper.
The Switching Power Supply of the band zero passage detection of described a kind of pulper, it is characterized in that bridge rectifier filter circuit one end connects input ac power, the other end connects zero cross detection circuit respectively, one end of spike absorption circuit circuit and high pressure soft starting circuit, the other end of zero cross detection circuit is connected with dc output circuit, the other end of spike absorption circuit circuit connects an end and the single-chip switch power module IC circuit of high frequency transformer respectively, the other end of high pressure soft starting circuit connects single-chip switch power module IC circuit, the output of high frequency transformer connects dc output circuit and chip power supply circuit respectively, and chip power supply circuit is a single-chip switch power module IC circuit supply; Described bridge rectifier filter circuit comprises bridge rectifier and the capacitor C 1 that diode D1, diode D2, diode D3, diode D4 constitute, an input of bridge rectifier connects the zero line N of AC power, other input of bridge rectifier connects protective tube RF1, is connected to live wire L by protective tube RF1; The anodal P-HV of one output termination capacitor C 1 of bridge rectifier, the negative pole P-G of another output termination capacitor C 1 of bridge rectifier; Described zero cross detection circuit connects an input L of AC power by resistance R 01, the 1st pin of another termination optocoupler OPT1 of resistance R 01, the 2nd pin of optocoupler OPT1 meets P-G, the 3rd pin of optocoupler OPT1 is connected to output DC source negative pole V-by resistance R 3, and the output zero cross signal is to TB, by the TB connection control system, the 4th pin of optocoupler OPT1 is connected to the anodal V+ in output DC source by resistance R 6; Described spike absorption circuit circuit comprises resistance R 2, capacitor C 2 and diode D5, the end of resistance R 2 and the primary coil N1 of a termination high frequency transformer of capacitor C 2 wherein, the negative pole of another terminating diode D5 of resistance R 2 and capacitor C 2, the positive pole of diode D5 connects the other end of high frequency transformer primary coil N1 and 8 pin of single-chip switch power module IC circuit; Described high pressure soft starting circuit is in series by resistance R 4 and capacitor C 8, and the other end of resistance R 4 connects P-HV, and the other end of capacitor C 8 connects P-G, and resistance R 4 is connected 1 pin of single-chip switch power module IC circuit with the tie point of capacitor C 8; Described dc output circuit comprises resistance R 5, capacitor C 7, capacitor C 4, diode D7, it is in parallel after wherein resistance R 5 is connected with capacitor C 7 with diode D7, the positive pole of diode D7 connects secondary coil N3 one end of high frequency transformer, the anodal V+ in the positive termination output DC source of the other end of diode D7 and capacitor C 4, the negative terminal of capacitor C 4 meets output DC source negative pole V-; High frequency transformer comprises primary coil N1, secondary coil N3 and IC power supply coil N2, the end of primary coil N1 connects P-HV, the other end connects 8 pin of single-chip switch power module IC circuit, secondary coil N3 one end of high frequency transformer connects the positive pole of diode D7, the other end connects the negative pole of capacitor C 4, IC power supply coil N2 connects the positive pole of diode D6 of chip power supply circuit and the negative pole of capacitor C 6 respectively, the negative pole of diode D6 connects 3 pin of single-chip switch power module IC circuit and the positive pole of capacitor C 6,5 pin and the P-G of the negative pole order chip switch power module IC circuit of capacitor C 6.
The Switching Power Supply of the band zero passage detection of described a kind of pulper is characterized in that the optocoupler OPT1 model of described zero cross detection circuit is PC817.
The Switching Power Supply of the band zero passage detection of described a kind of pulper is characterized in that the model that described single-chip switch power module IC circuit adopts is THX208.
Switching Power Supply described in the utility model does not need sampling feedback circuit, does not more isolate fully between the peripheral circuit of Voltage Feedback optocoupler and optocoupler, the primary and secondary; Do not need simultaneously output current detection circuit, and zero cross detection circuit is more succinct, use the pulper of the utility model Switching Power Supply to have output voltage stabilization, volume material little, in light weight, that expend is few, easy for installation, standby power is little, conversion efficiency is high, heating less, advantages such as energy-conserving and environment-protective, voltage adaptation wide ranges.
Description of drawings
Fig. 1 is the utility model circuit block diagram;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with Figure of description the utility model is described further:
A kind of Switching Power Supply of band zero passage detection of pulper, bridge rectifier filter circuit 1 one ends connect input ac power, the other end connects zero cross detection circuit 3 respectively, one end of spike absorption circuit circuit 8 and high pressure soft starting circuit 2, the other end of zero cross detection circuit 3 is connected with dc output circuit 7, the other end of spike absorption circuit circuit 8 connects an end and the single-chip switch power module IC circuit 4 of high frequency transformer 6 respectively, the other end of high pressure soft starting circuit 2 connects single-chip switch power module IC circuit 4, the output of high frequency transformer 6 connects dc output circuit 7 and chip power supply circuit 5 respectively, and chip power supply circuit 5 is 4 power supplies of single-chip switch power module IC circuit; Described bridge rectifier filter circuit 1 comprises bridge rectifier and the capacitor C 1 that diode D1, diode D2, diode D3, diode D4 constitute, an input of bridge rectifier connects the zero line N of AC power, other input of bridge rectifier connects protective tube RF1, is connected to live wire L by protective tube RF1; The anodal P-HV of one output termination capacitor C 1 of bridge rectifier, the negative pole P-G of another output termination capacitor C 1 of bridge rectifier; Described zero cross detection circuit 3 connects an input L of AC power by resistance R 01, the 1st pin of another termination optocoupler OPT1 of resistance R 01, the 2nd pin of optocoupler OPT1 meets P-G, the 3rd pin of optocoupler OPT1 is connected to output DC source negative pole V-by resistance R 3, and the output zero cross signal is to TB, by the TB connection control system, the 4th pin of optocoupler OPT1 is connected to the anodal V+ in output DC source by resistance R 6; Described spike absorption circuit circuit 8 comprises resistance R 2, capacitor C 2 and diode D5, the end of resistance R 2 and the primary coil N1 of a termination high frequency transformer 6 of capacitor C 2 wherein, the negative pole of another terminating diode D5 of resistance R 2 and capacitor C 2, the positive pole of diode D5 connects the other end of high frequency transformer 6 primary coil N1 and 8 pin of single-chip switch power module IC circuit 4; Described high pressure soft starting circuit 2 is in series by resistance R 4 and capacitor C 8, and the other end of resistance R 4 connects P-HV, and the other end of capacitor C 8 connects P-G, and resistance R 4 is connected 1 pin of single-chip switch power module IC circuit 4 with the tie point of capacitor C 8; Described dc output circuit 7 comprises resistance R 5, capacitor C 7, capacitor C 4, diode D7, it is in parallel after wherein resistance R 5 is connected with capacitor C 7 with diode D7, play the effect of protection diode D7, and certain EMI inhibitory action arranged, under less demanding situation, also can consider to save resistance R 5 and capacitor C 7 from cost, the positive pole of diode D7 connects secondary coil N3 one end of high frequency transformer 6, the anodal V+ in the positive termination output DC source of the other end of diode D7 and capacitor C 4, the negative terminal of capacitor C 4 meets output DC source negative pole V-; High frequency transformer 6 comprises primary coil N1, secondary coil N3 and IC power supply coil N2, the end of primary coil N1 connects P-HV, the other end connects 8 pin of single-chip switch power module IC circuit 4, secondary coil N3 one end of high frequency transformer 6 connects the positive pole of diode D7, the other end connects the negative pole of capacitor C 4, IC power supply coil N2 connects the positive pole of diode D6 of chip power supply circuit 5 and the negative pole of capacitor C 6 respectively, the negative pole of diode D6 connects 3 pin of single-chip switch power module IC circuit 4 and the positive pole of capacitor C 6,5 pin and the P-G of the negative pole order chip switch power module IC circuit 4 of capacitor C 6, be connected in series capacitor C 3 between 2 pin of single-chip switch power module IC circuit 4 and the P-G, be connected in series capacitor C 5 between 4 pin of single-chip switch power module IC circuit 4 and the P-G.
The utility model comprises two power inputs, is connected with AC power, and power output end output low-voltage dc power supply is given control circuit, and the output of control circuit is connected to heater members, motor.High frequency transformer 6 of the present utility model comprises a primary coil N1 and a secondary coil N3, an IC power supply coil N2, the input termination alternating current circuit of bridge rectifier filter circuit 1, the end of one end of the output termination spike absorption circuit circuit 8 of bridge rectifier filter circuit 1 and the primary coil N1 of high frequency transformer 6, in this example, the model that high frequency transformer 6 adopts is EE13, the other end of spike absorption circuit circuit 8 connects the other end of transformer 6 primary coil N1 and 8 pin of single-chip switch power module IC circuit 4, chip power supply circuit 5 connects the IC power supply coil N2 and the single-chip switch power module IC circuit 4 of transformer 6, the model of the single-chip switch power module IC circuit 4 in this example adopts THX208, therefore output voltage is more stable, and the two ends of the secondary coil N3 of dc output circuit 7 connection high frequency transformers 6 are also exported low-voltage dc power supply and given control circuit.
Claims (3)
1. the Switching Power Supply of the band zero passage detection of a pulper, it is characterized in that bridge rectifier filter circuit (1) one end connects input ac power, the other end connects zero cross detection circuit (3) respectively, one end of spike absorption circuit circuit (8) and high pressure soft starting circuit (2), the other end of zero cross detection circuit (3) is connected with dc output circuit (7), the other end of spike absorption circuit circuit (8) connects an end and the single-chip switch power module IC circuit (4) of high frequency transformer (6) respectively, the other end of high pressure soft starting circuit (2) connects single-chip switch power module IC circuit (4), the output of high frequency transformer (6) connects dc output circuit (7) and chip power supply circuit (5) respectively, and chip power supply circuit (5) is single-chip switch power module IC circuit (4) power supply; Described bridge rectifier filter circuit (1) comprises bridge rectifier and the capacitor C 1 that diode D1, diode D2, diode D3, diode D4 constitute, an input of bridge rectifier connects the zero line N of AC power, other input of bridge rectifier connects protective tube RF1, is connected to live wire L by protective tube RF1; The anodal P-HV of one output termination capacitor C 1 of bridge rectifier, the negative pole P-G of another output termination capacitor C 1 of bridge rectifier; Described zero cross detection circuit (3) connects an input L of AC power by resistance R 01, the 1st pin of another termination optocoupler OPT1 of resistance R 01, the 2nd pin of optocoupler OPT1 meets P-G, the 3rd pin of optocoupler OPT1 is connected to output DC source negative pole V-by resistance R 3, and the output zero cross signal is to TB, by the TB connection control system, the 4th pin of optocoupler OPT1 is connected to the anodal V+ in output DC source by resistance R 6; Described spike absorption circuit circuit (8) comprises resistance R 2, capacitor C 2 and diode D5, the end of resistance R 2 and the primary coil N1 of a termination high frequency transformer (6) of capacitor C 2 wherein, the negative pole of another terminating diode D5 of resistance R 2 and capacitor C 2, the positive pole of diode D5 connects the other end of high frequency transformer (6) primary coil N1 and 8 pin of single-chip switch power module IC circuit (4); Described high pressure soft starting circuit (2) is in series by resistance R 4 and capacitor C 8, and the other end of resistance R 4 connects P-HV, and the other end of capacitor C 8 connects P-G, and resistance R 4 is connected 1 pin of single-chip switch power module IC circuit (4) with the tie point of capacitor C 8; Described dc output circuit (7) comprises resistance R 5, capacitor C 7, capacitor C 4, diode D7, it is in parallel after wherein resistance R 5 is connected with capacitor C 7 with diode D7, the positive pole of diode D7 connects secondary coil N3 one end of high frequency transformer (6), the anodal V+ in the positive termination output DC source of the other end of diode D7 and capacitor C 4, the negative terminal of capacitor C 4 meets output DC source negative pole V-; High frequency transformer (6) comprises primary coil N1, secondary coil N3 and IC power supply coil N2, the end of primary coil N1 connects P-HV, the other end connects 8 pin of single-chip switch power module IC circuit (4), secondary coil N3 one end of high frequency transformer (6) connects the positive pole of diode D7, the other end connects the negative pole of capacitor C 4, IC power supply coil N2 connects the positive pole of diode D6 of chip power supply circuit (5) and the negative pole of capacitor C 6 respectively, the negative pole of diode D6 connects 3 pin of single-chip switch power module IC circuit (4) and the positive pole of capacitor C 6,5 pin and the P-G of the negative pole order chip switch power module IC circuit (4) of capacitor C 6.
2. the Switching Power Supply of the band zero passage detection of a kind of pulper according to claim 1 is characterized in that the optocoupler OPT1 model of described zero cross detection circuit (3) is PC817.
3. the Switching Power Supply of the band zero passage detection of a kind of pulper according to claim 1 is characterized in that the model that described single-chip switch power module IC circuit (4) adopts is THX208.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205251037U CN201766513U (en) | 2010-09-11 | 2010-09-11 | Switch power with zero-crossing detection of pulper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205251037U CN201766513U (en) | 2010-09-11 | 2010-09-11 | Switch power with zero-crossing detection of pulper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766513U true CN201766513U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205251037U Expired - Fee Related CN201766513U (en) | 2010-09-11 | 2010-09-11 | Switch power with zero-crossing detection of pulper |
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| Country | Link |
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| CN (1) | CN201766513U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761277A (en) * | 2011-04-28 | 2012-10-31 | 苏州博创集成电路设计有限公司 | Non-isolated switch power supply circuit |
| CN110064817A (en) * | 2019-05-29 | 2019-07-30 | 华南理工大学 | Fast frequency pulse TIG welding connects power supply low-and high-frequency energy conversion and compound circuit |
| CN112105110A (en) * | 2020-09-12 | 2020-12-18 | 深圳市维盛泰光电有限公司 | Multipurpose two-wire drive circuit |
-
2010
- 2010-09-11 CN CN2010205251037U patent/CN201766513U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761277A (en) * | 2011-04-28 | 2012-10-31 | 苏州博创集成电路设计有限公司 | Non-isolated switch power supply circuit |
| CN110064817A (en) * | 2019-05-29 | 2019-07-30 | 华南理工大学 | Fast frequency pulse TIG welding connects power supply low-and high-frequency energy conversion and compound circuit |
| CN112105110A (en) * | 2020-09-12 | 2020-12-18 | 深圳市维盛泰光电有限公司 | Multipurpose two-wire drive circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG XINDUODA ELECTRIC TEHONOLOGY CO, LTD. Free format text: FORMER OWNER: HANGZHOU SINDODO ELECTRONIC TECHNOLOGY CO., LTD. Effective date: 20120815 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310018 HANGZHOU, ZHEJIANG PROVINCE TO: 274032 HEZE, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120815 Address after: 274032 No. 1588, Nanjing Road, Heze Development Zone, Shandong Patentee after: SHANDONG SINODOD ELECTRONIC TECHNOLOGY CO., LTD. Address before: 310018, No. 13, No. 325, Xiasha economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: Hangzhou Sinodod Electronic Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20170911 |