CN200976705Y - Control circuit for electric mosquito swatter - Google Patents
Control circuit for electric mosquito swatter Download PDFInfo
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- CN200976705Y CN200976705Y CN 200620116502 CN200620116502U CN200976705Y CN 200976705 Y CN200976705 Y CN 200976705Y CN 200620116502 CN200620116502 CN 200620116502 CN 200620116502 U CN200620116502 U CN 200620116502U CN 200976705 Y CN200976705 Y CN 200976705Y
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- oscillating circuit
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Abstract
The utility model relates to a controlling circuit of manually capturing or killing insect tool, in particular to an electronic mosquito swatter. The utility model is composed of a power output device, an oscillating circuit, a boosting circuit, a rectifier circuit and a high voltage output circuit. The boosting circuit has a transformer, of which the primary side is connected with the power output device via an oscillating circuit and the secondary side is connected with the high voltage output circuit. The utility model is mainly characterized in that the oscillating circuit is a positive feedback oscillating circuit with double triodes guiding alternatively which can change the flux directions of transformer magnetic core alternatively, therefore the magnetic core efficiency can be doubled and the magnetic core can not be saturated easily. The mosquito killing efficacy is obvious because the power inversion rate of the boosting circuit is promoted and the high voltage output capacity is increased. The utility model is more energy-saving and environment-protecting because of the small battery power consumption and no frequent battery changing.
Description
Technical field
The utility model relates to the control circuit of control circuit, particularly a kind of electric mosquito flap of the instrument of a kind of manual seizure or kill insects.
Technical background
The control circuit of electric mosquito flap of the prior art comprises power output apparatus, oscillating circuit, booster circuit, rectification circuit and high-voltage output circuit, oscillating circuit comprises single triode, booster circuit comprises high frequency transformer, power output apparatus is electrically connected with the primary side of high frequency transformer by oscillating circuit, the secondary side of high frequency transformer is electrically connected with high-voltage output circuit, because oscillating circuit adopts single triode, therefore, the magnetic flux of the high frequency magnetic core by transformer is a single direction, and the magnetic core utilance is low, and magnetic core causes saturation condition easily, make the energy conversion rate that boosts low, output high pressure belt load capacity is poor, and the battery power consumption is big, and effect exterminating mosquito is not remarkable.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of energy conversion rate height, and the high pressure fan-out capability is strong, the control circuit of the significant electric mosquito flap of effect exterminating mosquito.
The utility model is realized by following approach.
The control circuit of electric mosquito flap, comprise power output apparatus, oscillating circuit, booster circuit, rectification circuit and high-voltage output circuit, booster circuit comprises transformer, power output apparatus is electrically connected with the primary side of transformer by oscillating circuit, the secondary side of transformer is electrically connected with high-voltage output circuit, its structural feature is: oscillating circuit is a kind of positive feedback oscillating circuit of double-triode valve alternate conduction, this positive feedback oscillating circuit comprises two three plate pipe Q1, Q2 constitutes, transformer T1 is by winding L 1, L3 and magnetic core K form, the base stage of triode Q1 is connected with an end of winding L 1 by resistance R 2, the collector electrode of triode Q2 also is connected with this end of winding L 1, the base stage of triode Q2 is connected with the other end of winding L 1 by resistance R 3, the collector electrode of triode Q1 also is connected with this end of winding L 1, triode Q1, the emitter of Q2 all is connected with the negative pole or the positive pole of power output apparatus, and winding L 1 has centre cap, this centre cap is connected with the negative or positive electrode of power output apparatus, and the two ends of the winding L 3 of transformer T1 are connected with rectification circuit.
Like this, the winding L 1 of transformer T1 both had been a main winding, be the positive feedback winding again, L3 is the winding of usefulness of boosting, by triode Q1, Q2, transformer T1, resistance R 2, R3 constitutes two-tube vibration, and by the positive feedback oscillating circuit of double-triode valve alternate conduction, this oscillating circuit constitutes the positive feedback condition of persistent oscillation, make flow direction replace change by two triode alternate conduction by magnetic core of transformer, thereby the utilance of magnetic core just can double, and the while magnetic core also is not easy saturated, therefore, the energy conversion rate of booster circuit improves, the high pressure fan-out capability strengthens, and effect exterminating mosquito is remarkable, and the battery power consumption is little, need not often to change battery, more energy-conserving and environment-protective.
Structure of the present utility model can be specially:
Rectification circuit is made of capacitor C 1, C2, C3, C4 and diode D1, D2, D3, D4.
Like this, four voltage doubling rectifing circuits of voltage by being made up of capacitor C 1, C2, C3, C4 and diode D1, D2, D3, D4 from winding L 3 outputs further improve four times with voltage, and the voltage behind over commutation becomes direct current and exports from high-voltage output circuit.
The transformer of positive feedback oscillating circuit of the present utility model can also be by winding L 1, L2, and L3 and magnetic core K form, and are specially:
The positive feedback oscillating circuit is by two triode Q1, Q2 constitutes, transformer T1 is by winding L 1, L2, L3 and magnetic core K form, the base stage of triode Q1 is connected with an end of winding L 2 by resistance R 3, the collector electrode of triode Q1 is connected with an end of winding L 1, emitter is connected with the negative pole of power output apparatus, and the base stage of triode Q2 is connected with the other end of winding L 2 by resistance R 3, and collector electrode is connected with the other end of winding L 1, emitter is connected with the negative pole of power output apparatus, and winding L 1 and winding L 2 have centre cap respectively, and these two centre caps all are connected with the positive pole of power output apparatus, and the two ends of the winding L 3 of transformer T1 are connected with rectification circuit.
Like this, the winding L 1 of transformer T1 is a main winding, L2 is the winding that positive feedback is used, L3 is the winding of usefulness of boosting, constitute two-tube vibration by triode Q1, Q2, transformer T1, resistance R 2, R3, the sense of current through winding L 1 is alternately changed, the flow direction in magnetic core K also alternately changes, thereby the utilance of magnetic core just can double, and magnetic core also is not easy saturated simultaneously.The output of positive feedback winding L 2 is connected respectively to the base stage of triode Q2, Q1 by current-limiting resistance R2, R3, constitute the positive feedback condition of persistent oscillation, after energized, take turns conducting by triode Q1 and Q2, the sense of current on the Transformer Winding L1 is constantly changed, give winding L 3 with energy delivery, because the number of turn of winding L 3 is greater than the number of turn of winding L 1 by the magnetic coupling of magnetic core K, so produce very high alternating voltage at the L3 two ends, then by exporting after the rectification circuit rectification.
In sum, the utility model has following advantage compared to prior art: by the positive feedback oscillating circuit of double-triode valve alternate conduction, flow direction by magnetic core of transformer is alternately changed, thereby the utilance of magnetic core just can double, magnetic core also is not easy saturated simultaneously, the energy conversion rate of booster circuit improves, the high pressure fan-out capability strengthens, and effect exterminating mosquito is remarkable, and the battery power consumption is little, need not often to change battery, more energy-conserving and environment-protective.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is one of the utility model circuit diagram.
Fig. 3 is two of the utility model circuit diagram.
Wherein, 1 power output apparatus, 2 oscillating circuits, 3 booster circuits, 4 rectification circuits, 5 high-voltage output circuits.
Embodiment
Embodiment 1:
With reference to Fig. 1, the electric mosquito flap control circuit, comprise power output apparatus 1, oscillating circuit 2, booster circuit 3, rectification circuit 4 and high-voltage output circuit 5, booster circuit 3 comprises transformer, power output apparatus 1 is electrically connected with the primary side of transformer by oscillating circuit 2, the secondary side of transformer is electrically connected with high-voltage output circuit 5, and wherein, oscillating circuit 2 is a kind of positive feedback oscillating circuit of double-triode valve alternate conduction.
With reference to Fig. 2, the positive feedback oscillating circuit of double-triode valve alternate conduction is by two triode Q1, Q2 constitutes, transformer T1 is by winding L 1, L2, L3 and magnetic core K form, the base stage of triode Q1 is connected with an end of winding L 2 by resistance R 3, the collector electrode of triode Q1 is connected with an end of winding L 1, emitter is connected with the negative degree of power output apparatus, the base stage of triode Q2 is connected with the other end of winding L 2 by resistance R 3, collector electrode is connected with the other end of winding L 1, and emitter is connected with the negative pole of power output apparatus 1, and winding L 1 and winding L 2 have centre cap respectively, these two centre caps all are connected with the positive pole of power output apparatus 1, and the two ends of the winding L 3 of transformer T1 are connected with rectification circuit 4.Rectification circuit 4 is made of capacitor C 1, C2, C3, C4 and diode D1, D2, D3, D4.
Operation principle: the winding L 1 of transformer T1 is main winding (primary side), L2 is the winding that positive feedback is used, L3 is the winding (secondary side) of usefulness of boosting, by triode Q1, Q2, transformer T1, resistance R 2, R3 constitutes two-tube vibration, the output of positive feedback winding L 2 is by current-limiting resistance R2, R3 is connected respectively to triode Q2, the base stage of Q1, constitute the positive feedback condition of persistent oscillation, after energized, take turns conducting by triode Q1 and Q2, the sense of current on the Transformer Winding L1 is constantly changed, magnetic coupling by magnetic core K is given winding L 3 with energy delivery, because the number of turn of winding L 3 is greater than the number of turn of winding L 1, so produce very high alternating voltage at the L3 two ends, pass through by capacitor C 1 from the voltage of winding L 3 outputs, C2, C3, C4 and diode D1, D2, D3, the voltage doubling rectifing circuit that D4 forms further improves four times with voltage, and the voltage behind over commutation becomes direct current and exports from high-voltage output circuit.
Most preferred embodiment:
With reference to Fig. 3, the positive feedback oscillating circuit of double-triode valve alternate conduction is by two triode Q1, Q2 constitutes, transformer T1 is by winding L 1, L3 and magnetic core K form, the base stage of triode Q1 is connected with an end of winding L 1 by resistance R 2, the collector electrode of triode Q2 also is connected with this end of winding L 1, the base stage of triode Q2 is connected with the other end of winding L 1 by resistance R 3, the collector electrode of triode Q1 also is connected with this end of winding L 1, triode Q1, the emitter of Q2 all is connected with the negative pole of power output apparatus 1, and winding L 1 has centre cap, this centre cap is connected with the positive pole of power output apparatus 1, and the two ends of the winding L 3 of transformer T1 are connected with rectification circuit 4.Rectification circuit 4 is made of capacitor C 1, C2, C3, C4 and diode D1, D2, D3, D4.
Operation principle: the winding that the winding L 1 of transformer T1 had not only been used for main winding but also for positive feedback, L3 is the winding of usefulness of boosting, by triode Q1, Q2, transformer T1, resistance R 2, R3 constitutes two-tube vibration, the output of positive feedback winding L 1 is by current-limiting resistance R2, R3 is connected respectively to triode Q2, the base stage of Q1, constitute the positive feedback condition of persistent oscillation, after energized, take turns conducting by triode Q1 and Q2, the sense of current on the Transformer Winding L1 is constantly changed, magnetic coupling by magnetic core K is given winding L 3 with energy delivery, because the number of turn of winding L 3 is greater than the number of turn of winding L 1, so produce very high alternating voltage at the L3 two ends, pass through by capacitor C 1 from the voltage of winding L 3 outputs, C2, C3, C4 and diode D1, D2, D3, the voltage doubling rectifing circuit that D4 forms further improves four times with voltage, and the voltage behind over commutation becomes direct current and exports from high-voltage output circuit.
It is same as the prior art that the utility model is not stated part.
Claims (2)
1. the control circuit of electric mosquito flap, comprise power output apparatus (1), oscillating circuit (2), booster circuit (3), rectification circuit (4) and high-voltage output circuit (5), booster circuit (3) comprises transformer T1, power output apparatus (1) is electrically connected with the primary side of transformer T1 by oscillating circuit (2), the secondary side of transformer T1 is electrically connected with high-voltage output circuit (5), it is characterized in that, oscillating circuit (2) is a kind of positive feedback oscillating circuit of double-triode valve alternate conduction, this positive feedback oscillating circuit comprises two three plate pipe Q1, Q2 constitutes, transformer T1 is by winding L 1, L3 and magnetic core K form, the base stage of triode Q1 is connected with an end of winding L 1 by resistance R 2, the collector electrode of triode Q2 also is connected with this end of winding L 1, the base stage of triode Q2 is connected with the other end of winding L 1 by resistance R 3, the collector electrode of triode Q1 also is connected with this end of winding L 1, triode Q1, the emitter of Q2 all is connected with the negative pole or the positive pole of power output apparatus, and winding L 1 has centre cap, and this centre cap is connected with the negative or positive electrode of power output apparatus, and the two ends of the winding L 3 of transformer T1 are connected with rectification circuit.
2. the control circuit of electric mosquito flap according to claim 1 is characterized in that, rectification circuit (3) is made of capacitor C 1, C2, C3, C4 and diode D1, D2, D3, D4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620116502 CN200976705Y (en) | 2006-02-08 | 2006-05-16 | Control circuit for electric mosquito swatter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620069230 | 2006-02-08 | ||
| CN200620069230.4 | 2006-02-08 | ||
| CN 200620116502 CN200976705Y (en) | 2006-02-08 | 2006-05-16 | Control circuit for electric mosquito swatter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200976705Y true CN200976705Y (en) | 2007-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620116502 Expired - Fee Related CN200976705Y (en) | 2006-02-08 | 2006-05-16 | Control circuit for electric mosquito swatter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200976705Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457476A (en) * | 2013-09-11 | 2013-12-18 | 昆山新金福精密电子有限公司 | Self-excitation transformation-based voltage stabilizing circuit |
| CN104300697A (en) * | 2014-10-11 | 2015-01-21 | 中国电子科技集团公司第二十研究所 | Separating type receiving and rectifying circuit |
-
2006
- 2006-05-16 CN CN 200620116502 patent/CN200976705Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457476A (en) * | 2013-09-11 | 2013-12-18 | 昆山新金福精密电子有限公司 | Self-excitation transformation-based voltage stabilizing circuit |
| CN104300697A (en) * | 2014-10-11 | 2015-01-21 | 中国电子科技集团公司第二十研究所 | Separating type receiving and rectifying circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20110516 |