CN202524978U - Ultrasonic mosquito dispelling device - Google Patents
Ultrasonic mosquito dispelling device Download PDFInfo
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- CN202524978U CN202524978U CN2012202141922U CN201220214192U CN202524978U CN 202524978 U CN202524978 U CN 202524978U CN 2012202141922 U CN2012202141922 U CN 2012202141922U CN 201220214192 U CN201220214192 U CN 201220214192U CN 202524978 U CN202524978 U CN 202524978U
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Abstract
The utility model relates to an ultrasonic mosquito dispelling device. The device comprises a 12V direct-current power supply, a relaxation oscillation circuit, an oscillation frequency regulating circuit, a bridge type power amplifying circuit and an ultrasonic transducer; and the adopted model of a monostable/astable circuit IC1 in the relaxation oscillation circuit is CD4047. According to the ultrasonic mosquito dispelling device disclosed by the utility model, the vibration of wings of male mosquitoes is simulated in an electronic manner so as to emit ultrasonic waves, and due to the ultrasonic waves, female mosquitoes are not willing to come near a human body, so that mated female mosquitoes are dispelled through the ultrasonic waves; therefore, the purpose of preventing female mosquitoes from biting people is achieved, and a human ear can not hear ultrasonic waves with the frequency of 21-23 kHz. Because female mosquitoes in different areas have different responses to the ultrasonic frequency, the ultrasonic mosquito dispelling device is required to be adjusted to a certain sensitive frequency, thereby achieving a good mosquito dispelling effect in different areas. The ultrasonic mosquito dispelling device disclosed by the utility model is relatively stable in effect, and the radius of ultrasonic radiation is more than 10 meters; therefore, the ultrasonic mosquito dispelling device is a relatively ideal green environment-friendly product.
Description
Technical field
The utility model belongs to electronic technology and ultrasonic technology field, relates to a kind of ultrasonic mosquito-driving device.
Background technology
The mosquito that bites the people is normally cherished the female mosquito that goes up ovum, and general male mosquito does not bite the people.Because female mosquitoes needs food, protein and energy during cytula, so seek and bite warm-blooded animal, the female mosquitoes during the ovum of bosom no longer is ready near male mosquito.Because female mosquito to the very responsive female mosquito of the sound wave of 21～23kHz scope, flutters its wings up and down when sending the ultrasonic of 21～23kHz frequency in case perceive male mosquito, female mosquito will escape fast.The described ultrasonic mosquito-driving device of the utility model is to utilize the electronics mode to simulate the ultrasonic that male mosquito alar part vibration is sent; The ultrasonic wave energy that mosquito-driving device sends is reluctant near human body female mosquitoes; Drive the female mosquito of mating through ultrasonic; Reaching the purpose of avoiding female mosquito bite people, and people's ear is not heard the ultrasonic of 21～23kHz frequency at all.Reaction has certain difference to ultrasonic frequency because of the female mosquito of different regions, understands differently so mosquito-driving device sends ultrasonic frequency, thereby need suitably be adjusted on the frequency of a certain sensitivity, to be implemented in different regions reasonable repelling effect is arranged all.
It is more stable that the described ultrasonic of the utility model is driven the effect of female mosquito, and ultrasonic acoustic wave people ear both do not hear, can not produce any influence to human body yet, and the ultrasonic radiation radius surpasses 10 meters, and the ultrasonic mosquito-driving device is more satisfactory environment-protecting articles.
Below specify the described ultrasonic mosquito-driving device of the utility model related relevant technologies content in implementation process.
The utility model content
Goal of the invention and beneficial effect: the described ultrasonic mosquito-driving device of the utility model is to utilize the electronics mode to simulate the ultrasonic that male mosquito alar part vibration is sent; This ultrasonic wave energy is reluctant near human body female mosquitoes; Drive the female mosquito of mating through ultrasonic; Reaching the purpose of avoiding female mosquito bite people, and people's ear is not heard the ultrasonic of 21～23kHz frequency at all.Reaction has certain difference to ultrasonic frequency because of the female mosquito of different regions, thereby need suitably be adjusted on the frequency of a certain sensitivity, to be implemented in different regions reasonable repelling effect is arranged all.
It is more stable that the described ultrasonic of the utility model is driven the effect of female mosquito, and the ultrasonic radiation radius surpasses 10 meters, and can not produce any influence to human body, and the ultrasonic mosquito-driving device is more satisfactory environment-protecting articles.
Technical scheme: the ultrasonic mosquito-driving device, it comprises 12V dc source, relaxation oscillating circuit and frequency of oscillation regulating circuit, bridge-type power amplification circuit and ultrasonic transducer, it is characterized in that:
Relaxation oscillating circuit and frequency of oscillation regulating circuit: form by monostable/astable circuit IC1, capacitor C 1, potentiometer RP; The model that monostable/astable circuit IC1 adopts is CD4047; The anodal VCC of the 4th pin of monostable/astable circuit IC1, the 5th pin, the 6th pin and the 14th pin connection circuit; The 3rd pin of monostable/astable circuit IC1 connects the end of potentiometer RP; Monostable/the 2nd pin of astable circuit IC1 connects the lever arm of potentiometer RP; One end of another termination capacitor C 1 of potentiometer RP, the 1st pin of the other end order stable state/astable circuit IC1 of capacitor C 1, the 7th pin of monostable/astable circuit IC1, the 8th pin, the 9th pin and the 12nd pin connection circuit ground GND;
Bridge-type power amplification circuit and ultrasonic transducer: form by NPN type triode VT1, NPN type triode VT2, positive-negative-positive triode VT3, positive-negative-positive triode VT4 and piezoelectric-type ultrasonic wave transducer HA; The 11st pin of monostable/astable circuit IC1 connects the base stage of NPN type triode VT1 and the base stage of positive-negative-positive triode VT3; The 10th pin of monostable/astable circuit IC1 connects the base stage of NPN type triode VT2 and the base stage of positive-negative-positive triode VT4; The anodal VCC of the colelctor electrode connection circuit of the colelctor electrode of NPN type triode VT1 and NPN type triode VT2; The colelctor electrode connection circuit ground GND of the colelctor electrode of positive-negative-positive triode VT3 and positive-negative-positive triode VT4; The emitter stage of NPN type triode VT1 and the emitter stage of positive-negative-positive triode VT3 connect the end of piezoelectric-type ultrasonic wave transducer HA, and the emitter stage of NPN type triode VT2 and the emitter stage of positive-negative-positive triode VT4 connect the other end of piezoelectric-type ultrasonic wave transducer HA.
The 12V dc power anode links to each other with circuit anode VCC, and the 12V dc power cathode links to each other with circuit ground GND.
The circuit working principle: the ultrasonic mosquito-driving device constitutes relaxation oscillating circuit by the monostable flipflop in monostable/astable circuit CD4047 (IC1) integrated circuit; Resistance through adjustment potentiometer RP; The centre frequency of scalable relaxation oscillating circuit is about 22KHz; The oscillator signal of relaxation oscillating circuit output is formed the bridge-type power amplification circuit by 4 triodes, promotes large-power supersonic transducer HA at last and sends ultrasonic.
Description of drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the utility model provides a ultrasonic mosquito-driving device; 12V dc power cathode connection circuit ground GND in the accompanying drawing 1.
Embodiment
Circuit working schematic diagram and description of drawings according to ultrasonic mosquito-driving device shown in the accompanying drawing 1; And according to the annexation between the components and parts in the described each several part circuit of utility model content, and the components and parts technical parameter described in the embodiment requires to implement to realize the utility model.
The selection of components and parts and technical parameter thereof
IC1 is monostable/astable circuit, and its model is CD4047, the internal circuit of CD4047 comprise astable circuit, monostable circuit, frequency-halving circuit and again 4 partial circuits such as triggering form;
VT1, VT2 are NPN type triode, and model can be selected the BC337 triode for use, and also available homemade model 3DK4B replaces, and requires β 100～120;
VT3, VT4 are the positive-negative-positive triode; Model can be selected the BC327 triode for use, and also available homemade model 3CG121 replacement requires between the β 100～120; In order to make the ultrasonic signal after the amplification that higher fidelity arranged, require 4 triode technical parameters in the circuit consistent as far as possible;
RP is a potentiometer, and its resistance is 4.7K Ω;
C1 is an electric capacity, selects the high frequency Leaded Ceramic Disc Capacitor for use, and capacity is 4n7;
HA is the piezoelectric-type ultrasonic wave transducer, and model is HTD-82 type, ￠ 82.55mm;
The 12V dc source is selected the AC power source adapter of output current greater than 400mA for use.
Circuit production main points, circuit debugging and use
The intact components and parts of circuit requirement serviceability of ultrasonic mosquito-driving device weld according to the annexation of components and parts shown in the accompanying drawing 1, the physics wiring of components and parts is conscientiously checked and check errorless after, circuit generally need not debugged and get final product operate as normal;
Whole elements in the circuit of ultrasonic mosquito-driving device can be installed on the printed circuit board, will weld circuit board and be placed in the plastic casing, and piezoelectric-type ultrasonic wave transducer HA can directly be fixed on the sound hole position on the plastic casing with screw;
The repelling effect of device depends on the frequency of oscillation of relaxation oscillating circuit, debugs potentiometer RP repeatedly, makes the frequency of oscillation of relaxation oscillating circuit be adjusted in 21～23kHz, is adjusted in exactly on the frequency that female mosquito dislikes most;
The size of ultrasonic power output is determined just that by power supply voltage dc source voltage is when 9～15V scope, and the hyperacoustic more power output of power supply voltage is big more, and then the scope of mosquito repellent is just big more; Otherwise hyperacoustic power output is then more little, and the radiation scope of mosquito repellent is also just more little;
When circuit was connected the 12V dc source, its complete machine operating current was about 120～140mA.
Claims (2)
1. ultrasonic mosquito-driving device, it comprises 12V dc source, relaxation oscillating circuit and frequency of oscillation regulating circuit, bridge-type power amplification circuit and ultrasonic transducer, it is characterized in that:
Relaxation oscillating circuit and frequency of oscillation regulating circuit are made up of monostable/astable circuit IC1, capacitor C 1, potentiometer RP; The model that monostable/astable circuit IC1 adopts is CD4047; The anodal VCC of the 4th pin of monostable/astable circuit IC1, the 5th pin, the 6th pin and the 14th pin connection circuit; The 3rd pin of monostable/astable circuit IC1 connects the end of potentiometer RP; Monostable/the 2nd pin of astable circuit IC1 connects the lever arm of potentiometer RP; One end of another termination capacitor C 1 of potentiometer RP, the 1st pin of the other end order stable state/astable circuit IC1 of capacitor C 1, the 7th pin of monostable/astable circuit IC1, the 8th pin, the 9th pin and the 12nd pin connection circuit ground GND;
Bridge-type power amplification circuit and ultrasonic transducer are made up of NPN type triode VT1, NPN type triode VT2, positive-negative-positive triode VT3, positive-negative-positive triode VT4 and piezoelectric-type ultrasonic wave transducer HA; The 11st pin of monostable/astable circuit IC1 connects the base stage of NPN type triode VT1 and the base stage of positive-negative-positive triode VT3; The 10th pin of monostable/astable circuit IC1 connects the base stage of NPN type triode VT2 and the base stage of positive-negative-positive triode VT4; The anodal VCC of the colelctor electrode connection circuit of the colelctor electrode of NPN type triode VT1 and NPN type triode VT2; The colelctor electrode connection circuit ground GND of the colelctor electrode of positive-negative-positive triode VT3 and positive-negative-positive triode VT4; The emitter stage of NPN type triode VT1 and the emitter stage of positive-negative-positive triode VT3 connect the end of piezoelectric-type ultrasonic wave transducer HA, and the emitter stage of NPN type triode VT2 and the emitter stage of positive-negative-positive triode VT4 connect the other end of piezoelectric-type ultrasonic wave transducer HA.
2. ultrasonic mosquito-driving device according to claim 1 is characterized in that: the 12V dc power anode links to each other with circuit anode VCC, and the 12V dc power cathode links to each other with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202141922U CN202524978U (en) | 2012-05-14 | 2012-05-14 | Ultrasonic mosquito dispelling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202141922U CN202524978U (en) | 2012-05-14 | 2012-05-14 | Ultrasonic mosquito dispelling device |
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| Publication Number | Publication Date |
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| CN202524978U true CN202524978U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202141922U Expired - Fee Related CN202524978U (en) | 2012-05-14 | 2012-05-14 | Ultrasonic mosquito dispelling device |
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| Country | Link |
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| CN (1) | CN202524978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657147A (en) * | 2012-05-14 | 2012-09-12 | 洪珍 | Ultrasonic mosquito dispelling device |
| CN104643362A (en) * | 2015-03-08 | 2015-05-27 | 泉州市永茂电子科技有限公司 | Hat with mosquito expelling device |
-
2012
- 2012-05-14 CN CN2012202141922U patent/CN202524978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657147A (en) * | 2012-05-14 | 2012-09-12 | 洪珍 | Ultrasonic mosquito dispelling device |
| CN104643362A (en) * | 2015-03-08 | 2015-05-27 | 泉州市永茂电子科技有限公司 | Hat with mosquito expelling device |
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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: 20121114 Termination date: 20130514 |