CN2628147Y - High-voltage power source for electrostatic cooking fumes purifier - Google Patents
High-voltage power source for electrostatic cooking fumes purifier Download PDFInfo
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- CN2628147Y CN2628147Y CN 03234060 CN03234060U CN2628147Y CN 2628147 Y CN2628147 Y CN 2628147Y CN 03234060 CN03234060 CN 03234060 CN 03234060 U CN03234060 U CN 03234060U CN 2628147 Y CN2628147 Y CN 2628147Y
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Abstract
The utility model discloses a high voltage power supply of an electrostatic fume purifier, comprising a rectifier circuit, a high-frequency oscillation circuit, a switching circuit, a high-frequency transformer, a protection circuit and a delayed reset circuit. One interface of the high-frequency oscillation circuit is connected with the switching circuit; one interface of the switching circuit is connected with the high-frequency transformer, and the high-frequency transformer generates pulse signals which are shaped and amplified through the switching circuit to make the high voltage transformer produce high pressure for working under load; one interface of the high-frequency transformer is connected with the protection circuit, which makes the protection circuit protect and control the high pressure generated by the high-frequency transformer through the protection circuit; one interface of the protection circuit is connected with the delayed reset circuit, the delayed reset circuit is connected with the high-frequency oscillation circuit, and the high-frequency oscillation circuit is reset by the delayed reset circuit. Through improving the security and reliability of the utility model, the performance of the utility model is perfected and the service life of the high voltage power supply of the electrostatic fume purifier is greatly improved.
Description
Technical field the utility model relates to the high voltage source that is used for kitchen oil fume purifying equipment, relates in particular to a kind of high voltage source of electrostatic oil and smoke cleaner.
The background technology electrostatic oil and smoke cleaner is widely used in the fume purifying in kitchens such as hotel, restaurant, dining room to be handled, the high voltage source of existing static fume cleaning equipment, operating frequency is exported high pressure in the low-frequency range of 50Hz, high pressure output transformer iron core coiled, have bulky, defect of high cost, especially frequency is low, efficient is low, poor stability, thereby destroys even lost the high-voltage electrostatic field, influence the effect of fume purifying, strengthened maintenance load.
The deficiency that the utility model content exists at above-mentioned prior art, the purpose of this utility model provides the electrostatic oil and smoke cleaner high voltage source of a kind of efficient height, good stability, and its technical scheme is as follows:
The electrostatic oil and smoke cleaner high voltage source comprises rectification circuit, high-frequency oscillating circuits, on-off circuit and high frequency transformer, also is provided with holding circuit and time-delay reset circuit; One port of rectification circuit is connected with on-off circuit, and a port is connected with time-delay reset circuit, port and high-frequency oscillating circuits, and a port is connected with holding circuit; One port of high-frequency oscillating circuits is connected with on-off circuit; A port of on-off circuit connects high frequency transformer, and high-frequency oscillating circuits produces pulse signal makes high-tension transformer produce high pressure for loaded work piece through on-off circuit shaping amplification; A port of high frequency transformer is connected with holding circuit, and the high pressure that high frequency transformer is produced is protected control through holding circuit; A port of holding circuit is connected with time-delay reset circuit, and time-delay reset circuit is connected with high-frequency oscillating circuits, by time-delay reset circuit high-frequency oscillating circuits is resetted.
Described holding circuit is made up of D10, C5, R18, R11, D9, R10, D8, IC3, R15, R16, R20, D11, R14, Q1, D6, R2, R1 and L1,5 pin and 8 pin of the feedback coil L1 of high pressure output transformer T2 and commutation diode D10, filter capacitor C5, divider resistance R18, R11 and clamp diode D9, voltage-stabiliser tube D8, the IC3 that connects; 1 pin of IC3 extremely links to each other with the G of controllable silicon, Q1 through D11, R14 with 3 pin, link to each other with 7 pin with 6 pin of IC3 by current-limiting resistance R20, divider resistance R15, R16, extremely linked to each other with silicon controlled A by divider resistance R1, R2, the K utmost point of controllable silicon Q1 is connected with 2 pin of IC1,6 pin.
Described time-delay reset circuit is made up of IC1, D3, R3, C2 and K, the delay capacitor C2 that connects between 4 pin of IC1,8 pin and 2 pin, 6 pin, and the time delay resistance R3 that 2 pin of IC1,6 pin link to each other is connected relay K with diode D3 with 3 pin of IC1.
Adopt the utility model electrostatic oil and smoke cleaner high voltage source to have following advantage:
1. the utility model improves its security and reliability by being provided with holding circuit and reset circuit, and its performance is able to perfect, improves the service life of electrostatic oil and smoke cleaner high voltage source greatly.
2. the utility model delay circuit characteristics are; when the both positive and negative polarity of high voltage source electric field that control circuit purifies causes striking sparks because of dewfall; the holding circuit of this high voltage source control circuit, reset circuit work; delay time by delay circuit (generally being made as 3-5 minute) again; at this moment air exhauster dries up the both positive and negative polarity that the dewfall electric field is arranged; automatically resume work, guarantee the operate as normal of high-voltage static electricity fume clarifier, thereby do not influence the clean-up effect of high-voltage static electricity fume clarifier substantially.
Description of drawings
Fig. 1 is a functional-block diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of utility model one embodiment.
The utility model is described in further detail below in conjunction with the specific embodiment for the specific embodiment.
As shown in Figure 1, a kind of electrostatic oil and smoke cleaner high voltage source comprises rectification circuit, high-frequency oscillating circuits, on-off circuit and high frequency transformer, also is provided with holding circuit and time-delay reset circuit; One port of rectification circuit is connected with on-off circuit, and a port is connected with time-delay reset circuit, port and high-frequency oscillating circuits, and a port is connected with holding circuit; One port of high-frequency oscillating circuits is connected with on-off circuit, and a port of on-off circuit connects high frequency transformer, and high-frequency oscillating circuits produces pulse signal makes high-tension transformer produce high pressure for loaded work piece through on-off circuit shaping amplification; A port of high frequency transformer is connected with holding circuit, and the high pressure that high frequency transformer is produced is protected control through holding circuit; A port of holding circuit is connected with time-delay reset circuit, and time-delay reset circuit is connected with high-frequency oscillating circuits, by time-delay reset circuit high-frequency oscillating circuits is resetted.
The power supply of 220V50Hz inserts rectification circuit, and this circuit output DC is supplied with each operating circuit.
As shown in Figure 2, form the rectification circuit of powering by C12, C13, D15, C11 and C10 to Switching Power Supply; Form the rectification circuit of powering to delay circuit by T1, D14, C14, C1 and D1; Form the rectification circuit of powering to high-frequency oscillating circuits, holding circuit by D16, C14, R6, R7 and D7.
High-frequency oscillating circuits is by IC2; D5; R8; C4; C6; R18 and R19 form; IC2 can select IR2151 or MOIC2151 for use; 1 pin of IC2 connects its power supply; 2 pin and 3 pin meet its timing resistor R8 and timing capacitor C4; 4 pin ground connection; 5 pin connect the grid of the low switch pipe D12 of its Switching Power Supply; 6 pin are the source electrode that suspended power supply meets its HF switch pipe D13; 7 pin connect the grid of its high-end switch pipe D13; 8 pin are high pressure suspension end; the threshold voltage of higher-order of oscillation chip IC 2 is 9V; the under-voltage protection threshold voltage is 8.5V; as seen, the high-frequency pulse signal of 5 pin of higher-order of oscillation chip IC 2 and 7 pin output comes the low-end switch pipe D12 grid of difference gauge tap power supply and the grid of high-end switch pipe D13.
Switch power supply route R6, R13, C8, C9, C7, R17, D13, D12 and R6, R13, C8, C9 forms, by 220V AC power process capacitor C 12, capacitor C 13, and the full-bridge rectification of the D13 DC voltage that obtains about 300V after considering ripple capacitor C 10 is made the supply voltage of Switching Power Supply, control a pair of D12 by 5 pin and 7 pin of high-frequency impulse vibration chip IC 2 again, opening with the 6 pin suspended power supplies that close by high-frequency impulse vibration chip IC 2 of the high-end switch pipe D13 of D13 injectron MOS FET (VMOS FET) and low-end switch pipe D12 is connected with the source electrode of high-end switch pipe D13 and the drain electrode of low-end switch pipe D12, the output square wave, give the primary coil of transformer T2, through secondary transformation and the high voltage silicon rectifier stack output of high-tension transformer T2.
High-tension transformer adopts resin to irritate.
Holding circuit is made up of D10, C5, R18, R11, D9, R10, D8, IC3, R15, R16, R20, D11, Q1, D6, R2, R1 and L1,5 pin of the amplifier IC3 that connects with the feedback coil of high pressure output transformer and 8 pin; 1 pin of amplifier IC3 extremely links to each other with the G of 3 pin with controllable silicon Q1; By the K utmost point of resistance R 2, resistance R 4 and controllable silicon Q1 be connected 2 pin of 555 o'clock base chip IC 1 and time delay resistance R3 and the diode D3 that the delay capacitor C2 between 6 pin links to each other with 2 pin of IC1; 3 pin of 555 o'clock base chip IC 1 connect relay K.
IC3 selects TDA2822 for use, by 5 pin of the amplifier IC3 of L1 feedback coil series connection and the input of 8 pin 1 pin and the output of 3 pin through amplifier IC3; Circuit working just often, amplifier IC3 input obtains the 12V voltage that feedback coil L1 gives, make its amplifier be output as low level, the G utmost point of controllable silicon Q1 does not have electric current and is in to end, when high pressure output has overcurrent, during overvoltage, the voltage of the primary coil voltage decline feedback coil L1 of its transformer T1 also descends simultaneously, the input terminal voltage of amplifier IC3 also descends thereupon, the high level of 1 pin of amplifier IC3 and 3 pin output simultaneously, the G utmost point of controllable silicon Q1 obtains electric current and conducting, by being connected with the K utmost point of controllable silicon Q1 after resistance R 2 and resistance R 4 dividing potential drops as controllable silicon Q1 conducting IC1 at this moment, 3 pin of IC1 were transmitted low level when 555 o'clock base 2 pin of chip and 6 pin voltages were 2/3 voltage of power supply does not have voltage to export again, make relay get back to normally off, at this moment IC1 again, 555 o'clock base chips are series at 4 pin of IC1,8 pin and 2 pin, delay capacitor C2 between 6 pin is connected relay K with diode D3 with 3 pin of IC1 with the time delay resistance R3 that 2 pin of IC1 link to each other; In the moment of connecting power supply because the voltage of delay capacitor C2 can not suddenly change, can be considered short circuit, then 2 pin of IC1, when 6 pin are high level, 3 pin are output as low level.Delay capacitor C2 begins 2 pin, the charging of 6 pin to IC1 simultaneously, when 1/3 level that 2 pin and 6 pin of IC1 reach power supply, IC1 is set, power supply was connected in the relay K adhesive when 3 pin of its IC1 specially were high level, bridge heap D14 obtains power supply and resumes work again, and the high-frequency impulse oscillating circuit is started working again.
Time-delay reset circuit is made up of IC1 (555 o'clock base chips), D3, R3, C2 and K.The delay capacitor C2 that connects between 4 pin of IC1,8 pin and 2 pin, 6 pin, the time delay resistance R3 that 2 pin of IC1,6 pin link to each other is connected relay K with diode D3 with 3 pin of IC1.In the moment of connecting power supply because the voltage of delay capacitor C2 can not suddenly change, can be considered short circuit, then 2 pin of IC1, when 6 pin are high level, 3 pin are output as low level.Delay capacitor C2 begins 2 pin, the charging of 6 pin to IC1 simultaneously, when 1/3 level that 2 pin and 6 pin of IC1 reach power supply, IC1 is set, power supply was connected in the relay K adhesive when 3 pin of its IC1 specially were high level, make the high-frequency impulse oscillating circuit open the work that makes, and keep and the relay attracting state always.
The element of present embodiment control is selected model for use:
IC1-NE555 IC2-IR2151 or MOIC2151 IC3-TDA2822
Q1-BT151 D12-IRF450 D13-IRF450
D14-KBL10 D15-KBL10 D16-KBL15
K-direct current 12 relay T1-2 group 12V output transformer
The T2-high voltage package
Claims (4)
1. the electrostatic oil and smoke cleaner high voltage source comprises rectification circuit, high-frequency oscillating circuits, on-off circuit and high frequency transformer, it is characterized in that also being provided with holding circuit and time-delay reset circuit; One port of rectification circuit is connected with on-off circuit, and a port is connected with time-delay reset circuit, port and high-frequency oscillating circuits, and a port is connected with holding circuit; One port of high-frequency oscillating circuits is connected with on-off circuit; A port of on-off circuit connects high frequency transformer, and high-frequency oscillating circuits produces pulse signal makes high-tension transformer produce high pressure for loaded work piece through on-off circuit shaping amplification; A port of high frequency transformer is connected with holding circuit, and the high pressure that high frequency transformer is produced is protected control through holding circuit; A port of holding circuit is connected with time-delay reset circuit, and time-delay reset circuit is connected with high-frequency oscillating circuits, by time-delay reset circuit high-frequency oscillating circuits is resetted.
2. high voltage source according to claim 1, it is characterized in that described holding circuit is made up of D10, C5, R18, R11, D9, R10, D8, IC3, R15, R16, R20, D11, R14, Q1, D6, R2, R1 and L1,5 pin and 8 pin of the feedback coil L1 of high pressure output transformer T2 and commutation diode D10, filter capacitor C5, divider resistance R18, R11 and clamp diode D9, voltage-stabiliser tube D8, the IC3 that connects; 1 pin of IC3 extremely links to each other with the G of controllable silicon, Q1 through D11, R14 with 3 pin, link to each other with 7 pin with 6 pin of IC3 by current-limiting resistance R20, divider resistance R15, R16, extremely linked to each other with silicon controlled A by divider resistance R1, R2, the K utmost point of controllable silicon Q1 is connected with 2 pin of IC1,6 pin.
3. high voltage source according to claim 1, it is characterized in that described time-delay reset circuit is made up of IC1, D3, R3, C2 and K, the delay capacitor C2 that connects between 4 pin of IC1,8 pin and 2 pin, 6 pin, the time delay resistance R3 that 2 pin of IC1,6 pin link to each other is connected relay K with diode D3 with 3 pin of IC1.
4. high voltage source according to claim 1 is characterized in that described high frequency transformer (T2) adopts resin to irritate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234060 CN2628147Y (en) | 2003-04-18 | 2003-04-18 | High-voltage power source for electrostatic cooking fumes purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234060 CN2628147Y (en) | 2003-04-18 | 2003-04-18 | High-voltage power source for electrostatic cooking fumes purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2628147Y true CN2628147Y (en) | 2004-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03234060 Expired - Fee Related CN2628147Y (en) | 2003-04-18 | 2003-04-18 | High-voltage power source for electrostatic cooking fumes purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2628147Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816976A (en) * | 2010-04-27 | 2010-09-01 | 襄樊市博蓝环保设备有限公司 | Digital closed loop high-frequency high-voltage power supply |
| CN102185516A (en) * | 2011-05-16 | 2011-09-14 | 南通皋鑫电子股份有限公司 | High-voltage static generator |
| CN103915820A (en) * | 2014-03-20 | 2014-07-09 | 宁波方太厨具有限公司 | Ignition detection circuit of lampblack purification device and control method of ignition detection circuit |
| CN105978392A (en) * | 2016-06-07 | 2016-09-28 | 张家口市杰星电子科技有限公司 | Intelligent high voltage power supply for kitchen oil smoke purifier |
| CN110152883A (en) * | 2018-03-28 | 2019-08-23 | 山东佳星环保科技有限公司 | A kind of graphene clarifier |
-
2003
- 2003-04-18 CN CN 03234060 patent/CN2628147Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816976A (en) * | 2010-04-27 | 2010-09-01 | 襄樊市博蓝环保设备有限公司 | Digital closed loop high-frequency high-voltage power supply |
| CN101816976B (en) * | 2010-04-27 | 2013-08-21 | 襄阳市博蓝环保设备有限公司 | Digital closed loop high-frequency high-voltage power supply |
| CN102185516A (en) * | 2011-05-16 | 2011-09-14 | 南通皋鑫电子股份有限公司 | High-voltage static generator |
| CN103915820A (en) * | 2014-03-20 | 2014-07-09 | 宁波方太厨具有限公司 | Ignition detection circuit of lampblack purification device and control method of ignition detection circuit |
| CN103915820B (en) * | 2014-03-20 | 2017-01-11 | 宁波方太厨具有限公司 | Ignition detection circuit of lampblack purification device and control method of ignition detection circuit |
| CN105978392A (en) * | 2016-06-07 | 2016-09-28 | 张家口市杰星电子科技有限公司 | Intelligent high voltage power supply for kitchen oil smoke purifier |
| CN110152883A (en) * | 2018-03-28 | 2019-08-23 | 山东佳星环保科技有限公司 | A kind of graphene clarifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |