CN205213961U - Point ultrasonic wave electron expelling parasite frequently circuit - Google Patents
Point ultrasonic wave electron expelling parasite frequently circuit Download PDFInfo
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- CN205213961U CN205213961U CN201521087993.7U CN201521087993U CN205213961U CN 205213961 U CN205213961 U CN 205213961U CN 201521087993 U CN201521087993 U CN 201521087993U CN 205213961 U CN205213961 U CN 205213961U
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Abstract
The utility model discloses a point ultrasonic wave electron expelling parasite frequently circuit, frequently select circuit unit, ultrasonic wave production circuit unit and ultrasonic wave output circuit unit including step -down circuit unit, rectifying and wave -filtering circuit unit, three -terminal steady voltage circuit unit, point, step -down circuit unit is connected with rectifying and wave -filtering circuit unit input, rectification filter circuit unit output is connected with three -terminal voltage stabilizing circuit unit input, the three -terminal voltage stabilizing circuit unit produces circuit unit for the ultrasonic wave respectively, the circuit unit power supply is select frequently with the point to ultrasonic wave output circuit unit, it controls the ultrasonic wave and produces circuit unit and produce different high frequency signal to select circuit unit through some frequency, high frequency signal passes through output audio behind the ultrasonic wave output circuit unit power amplifier, especially, choose CD4017 decimal system count decoding circuit for use, change 555 integrated package IC1's "Frequency", this circuit of long -term use has been prevented, the mouse, the problem of the easy adaptation of pests such as mosquito takes place.
Description
Technical field
The utility model relates to a kind of electronic insect-dispelling circuit, particularly relates to a kind of some frequency ultrasonic electronic mouse driving circuit, belongs to application of electronic technology field.
Background technology
In daily life, particularly torridity summer, mouse, mosquito, cockroach, fly are usually extremely vexing.Although traditional mosquito-repellent incense, insecticide can kill this class pest, long-time this type of chemical products that uses also has injury to human body, so adopt what effective method harmless again to drive them?
According to Biological Principles, 21 ~ 23KHZ ultrasonic that the female mosquito of sucking blood can send male mosquito is responsive, feels that this sound wave just can be escaped, and all can to the ultrasonic abnormal fear of 26 ~ 28KHZ that bat sends regardless of male mosquito or female mosquito; Children mouse can send 30 ~ 50KHZ when being on the hazard; adult rats also can send a kind of ultrasonic and call for help when running into crisis; utilize this principle; produce powerful high-power ultrasonic wave impulse by electronic equipment effectively disturb mosquito, mouse, cockroach, fly etc. and stimulate; it is made to stand; and feel panic and uneasy, show poor appetite, flee from, the even symptom such as tic, thus the object of driving away their scopes of activities can be reached.
Utility model content
The purpose of this utility model is to provide a kind of ultrasonic electronic expelling parasite circuit that can produce different frequency, with the problem preventing the insect such as mouse, mosquito from easily adapting to certain special ultrasonic ripple, thus reaches the object of expelling parasite.
To achieve these goals, the technical scheme that the utility model provides is: a kind of some frequency ultrasonic electronic insect-dispelling circuit, comprise reduction voltage circuit unit, current rectifying and wave filtering circuit unit, three-terminal voltage-stabilizing circuit unit, point is selecting circuit unit frequently, ultrasonic produces circuit unit and ultrasonic output circuit unit, described reduction voltage circuit unit is connected with current rectifying and wave filtering circuit unit input, described current rectifying and wave filtering circuit unit output is connected with three-terminal voltage-stabilizing circuit unit input, described three-terminal voltage-stabilizing circuit unit produces circuit unit to ultrasonic respectively, ultrasonic output circuit unit and point frequently selecting circuit unit are powered, described selecting circuit unit frequently comprises: counting integrated chip IC3, resistance R3 and contact switch S, described ultrasonic produces circuit unit: at least two resistance branch, resistance R13,555 ic chips 1, electric capacity C6, electric capacity C7 and electric capacity C8, described contact switch S one end is connected with the positive power source terminal of counting integrated chip IC3, the other end and the input end of clock counting integrated chip IC3, resistance R3 one end connects, the forbidding holding of the described resistance R3 other end and counting integrated chip IC3 is connected and ground connection, arbitrary count pulse output of described counting integrated chip IC3 is connected with arbitrary resistance branch, 7 pin of described resistance branch and 555 ic chips 1, resistance R13 one end is connected, 2 pin of described 555 ic chips 1 are connected with 6 pin afterwards and the resistance R13 other end, the positive pole of electric capacity C6 connects, 5 pin of described 555 ic chips 1 are connected with electric capacity C7 one end, ground connection after the described electric capacity C7 other end is connected with the negative pole of electric capacity C6, 3 pin of described 555 ic chips 1 are connected with the positive pole of electric capacity C8, the negative pole of described electric capacity C8 is connected with the input of ultrasonic output circuit unit, ultrasonic output circuit unit produces expelling parasite audio frequency.
Further, described resistance branch totally nine, every bar resistance branch is formed by a light emitting diode and resistant series, arbitrary count pulse output of described counting integrated chip IC3 is connected with the light emitting diode positive pole in arbitrary resistance branch, and Article 1 resistance branch comprises light emitting diode D6 and resistance R4; Article 2 resistance branch comprises light emitting diode D7 and resistance R5; Article 3 resistance comprises light emitting diode D8 and resistance R6; Article 4 resistance branch comprises light emitting diode D9 and resistance R7; Article 5 resistance branch comprises light emitting diode D10 and resistance R8; Article 6 resistance branch comprises light emitting diode D11 and resistance R9; Article 7 resistance branch comprises light emitting diode D12 and resistance R10; Article 8 resistance branch comprises light emitting diode D13 and resistance R11; Article 9 resistance branch comprises light emitting diode D14 and resistance R12.
Further, described ultrasonic output circuit unit comprises: model is the audio frequency power amplifier ic chip 2 of TDA2822, resistance R14, resistance R15, resistance R16, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12 and loudspeaker LS, 7 pin of described audio frequency power amplifier ic chip 2 are connected with resistance R14 one end and as input, 2 pin of described audio frequency power amplifier ic chip 2 are connected with three-terminal voltage-stabilizing circuit output end, 8 pin of described audio frequency power amplifier ic chip 2 are connected with electric capacity C9 positive pole, 5 pin of described audio frequency power amplifier ic chip 2, electric capacity C9 negative pole is connected with electric capacity C10 one end after connecting, 1 pin of described audio frequency power amplifier ic chip 2 and 3 pin are connected to the two ends of loudspeaker LS, 1 pin of described audio frequency power amplifier ic chip 2 is connected with one end of electric capacity C12, the other end of described electric capacity C12 is connected with resistance R16 one end, the other end ground connection of described resistance R16, 3 pin of described audio frequency power amplifier ic chip 2 are connected with one end of electric capacity C11, the other end of described electric capacity C11 is connected with resistance R15 one end, 4 pin of described audio frequency power amplifier ic chip 2 are connected with 6 pin afterwards and the electric capacity C10 other end, the resistance R15 other end connects and ground connection.For ensureing that area is use this circuit effective in 100 ~ 120 squares, need ultrasonic power about 4W, therefore select audio frequency power amplifier TDA2822 chip, operating voltage is 12V.
Further, described reduction voltage circuit unit comprises electric capacity C1, resistance R1, discharge diode D1 and fuse F1; Described fuse F1 is connected with one end of resistance R1, electric capacity C1, and described resistance R1 is connected the negative pole of discharge diode D1 with the other end holding C1, and the positive pole of described discharge diode is connected current rectifying and wave filtering circuit unit with negative pole.
Further, described current rectifying and wave filtering circuit unit comprises bridge rectifier diode D2, electric capacity C2, electric capacity C3, Zener diode D3; The output of institute's reduction voltage circuit unit is connected with bridge rectifier diode D2 input, and described electric capacity C2, electric capacity C3 and Zener diode D3 are in parallel, and its two ends are connected with bridge rectifier diode D2 output.This structure is simple and easy to implement.
Further, described three-terminal voltage-stabilizing circuit comprises electric capacity C4, electric capacity C5 and three-terminal voltage-stabilizing integrated package; Described electric capacity C4 one end is connected with the input of three-terminal voltage-stabilizing integrated package, and the other end is connected with the earth terminal of three-terminal voltage-stabilizing integrated package, and one end of described electric capacity C5 connects the output of three-terminal voltage-stabilizing integrated package, and the other end connects the earth terminal of three-terminal voltage-stabilizing integrated package.This structure is simple and easy to implement.
Further, also comprise power indicating circuit unit, described power indicating circuit unit comprises resistance R2 and light emitting diode D5, and described resistance R2 connects with light emitting diode D5.This structure is in order to operationally bright light.
Compared with prior art, the beneficial effects of the utility model are: control ultrasonic generation circuit unit by a frequency selecting circuit unit and produce different high-frequency signals, especially CD4017 decade counter decoding circuit is selected, change the frequency of oscillation of 555 ic chips 1, prevent this circuit of Long-Time Service, the insect such as mouse, mosquito is held malleable problem and occurs.
Accompanying drawing explanation
Fig. 1, electrical block diagram of the present utility model.
Embodiment
By reference to the accompanying drawings, embodiment of the present utility model is described;
As shown in Figure 1, a kind of some frequency ultrasonic electronic insect-dispelling circuit, comprise reduction voltage circuit unit 1, current rectifying and wave filtering circuit unit 2, three-terminal voltage-stabilizing circuit unit 3, point is selecting circuit unit 7 frequently, ultrasonic produces circuit unit 4 and ultrasonic output circuit unit 5, described reduction voltage circuit unit 1 is connected with current rectifying and wave filtering circuit unit 2 input, described current rectifying and wave filtering circuit unit 2 output is connected with three-terminal voltage-stabilizing circuit unit 3 input, described three-terminal voltage-stabilizing circuit unit 3 produces circuit unit 4 to ultrasonic respectively, ultrasonic output circuit unit 5 and point frequently selecting circuit unit 7 are powered, described selecting circuit unit 7 frequently comprises: counting integrated chip IC3, resistance R3 and contact switch S, described ultrasonic produces circuit unit 4: at least two resistance branch, resistance R13,555 ic chips 1, electric capacity C6, electric capacity C7 and electric capacity C8, described contact switch S one end is connected with the positive power source terminal of counting integrated chip IC3, the other end and the input end of clock counting integrated chip IC3, resistance R3 one end connects, the forbidding holding of the described resistance R3 other end and counting integrated chip IC3 is connected and ground connection, arbitrary count pulse output of described counting integrated chip IC3 is connected with arbitrary resistance branch, 7 pin of described resistance branch and 555 ic chips 1, resistance R13 one end is connected, 2 pin of described 555 ic chips 1 are connected with 6 pin afterwards and the resistance R13 other end, the positive pole of electric capacity C6 connects, 5 pin of described 555 ic chips 1 are connected with electric capacity C7 one end, ground connection after the described electric capacity C7 other end is connected with the negative pole of electric capacity C6, be connected with three-terminal voltage-stabilizing circuit output end after 4 pin of described 555 ic chips 1 are connected with 8 pin, 1 pin ground connection of described 555 ic chips 1, 3 pin of described 555 ic chips 1 are connected with the positive pole of electric capacity C8, the negative pole of described electric capacity C8 is connected with the input of ultrasonic output circuit unit, ultrasonic output circuit unit produces expelling parasite ultrasonic.Preferably, described resistance branch totally nine, every bar resistance branch is formed by a light emitting diode and resistant series, arbitrary count pulse output of described counting integrated chip IC3 is connected with the light emitting diode positive pole in arbitrary resistance branch, and Article 1 resistance branch comprises light emitting diode D6 and resistance R4; Article 2 resistance branch comprises light emitting diode D7 and resistance R5; Article 3 resistance comprises light emitting diode D8 and resistance R6; Article 4 resistance branch comprises light emitting diode D9 and resistance R7; Article 5 resistance branch comprises light emitting diode D10 and resistance R8; Article 6 resistance branch comprises light emitting diode D11 and resistance R9; Article 7 resistance branch comprises light emitting diode D12 and resistance R10; Article 8 resistance branch comprises light emitting diode D13 and resistance R11; Article 9 resistance branch comprises light emitting diode D14 and resistance R12.
For ensureing that area is use this circuit effective in 100 ~ 120 squares, described ultrasonic output circuit unit comprises: model is the audio frequency power amplifier ic chip 2 of TDA2822, resistance R14, resistance R15, resistance R16, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12 and loudspeaker LS, 7 pin of described audio frequency power amplifier ic chip 2 are connected with resistance R14 one end and as input, 2 pin of described audio frequency power amplifier ic chip 2 are connected with three-terminal voltage-stabilizing circuit output end, 8 pin of described audio frequency power amplifier ic chip 2 are connected with electric capacity C9 positive pole, 5 pin of described audio frequency power amplifier ic chip 2, electric capacity C9 negative pole is connected with electric capacity C10 one end after connecting, 1 pin of described audio frequency power amplifier ic chip 2 and 3 pin are connected to the two ends of loudspeaker LS, 1 pin of described audio frequency power amplifier ic chip 2 is connected with one end of electric capacity C12, the other end of described electric capacity C12 is connected with resistance R16 one end, the other end ground connection of described resistance R16, 3 pin of described audio frequency power amplifier ic chip 2 are connected with one end of electric capacity C11, the other end of described electric capacity C11 is connected with resistance R15 one end, 4 pin of described audio frequency power amplifier ic chip 2 are connected with 6 pin afterwards and the electric capacity C10 other end, the resistance R15 other end connects and ground connection.For ensureing that area is use this circuit effective in 100 ~ 120 squares, need ultrasonic power about 4W, therefore select audio frequency power amplifier TDA2822 chip, operating voltage is 12V.
Preferably, described reduction voltage circuit unit 1 comprises electric capacity C1, resistance R1, discharge diode D1 and fuse F1; Described fuse F1 is connected with one end of resistance R1, electric capacity C1, and described resistance R1 is connected the negative pole of discharge diode D1 with the other end holding C1, and the positive pole of described discharge diode is connected current rectifying and wave filtering circuit unit with negative pole.Described reduction voltage circuit unit can be transformer step-down circuit.
Preferably, described current rectifying and wave filtering circuit unit 2 comprises bridge rectifier diode D2, electric capacity C2, electric capacity C3, Zener diode D3; The output of institute's reduction voltage circuit unit is connected with bridge rectifier diode D2 input, and described electric capacity C2, electric capacity C3 and Zener diode D3 are in parallel, and its two ends are connected with bridge rectifier diode D2 output.
Preferably, described three-terminal voltage-stabilizing circuit 3 comprises electric capacity C4, electric capacity C5 and three-terminal voltage-stabilizing integrated package; Described electric capacity C4 one end is connected with the input of three-terminal voltage-stabilizing integrated package, the other end is connected with the earth terminal of three-terminal voltage-stabilizing integrated package, one end of described electric capacity C5 connects the output of three-terminal voltage-stabilizing integrated package, the other end connects the earth terminal of three-terminal voltage-stabilizing integrated package, the positive pole of described diode D4 is connected with the output of three-terminal voltage-stabilizing integrated package, and the negative pole of described diode D4 is connected with the input of three-terminal voltage-stabilizing integrated package.
On the basis of above-described embodiment, also draw together power indicating circuit unit 6, described power indicating circuit unit 6 comprises resistance R2 and light emitting diode D5, and described resistance R2 connects with light emitting diode D5.This structure is in order to operationally bright light.
Now provide a concrete circuit, give each component parameters and model, discharge diode D1 model is IN4700, R1 value 360k ohm, electric capacity C1 value 1.5uf, bridge rectifier diode D2 model is IN4700, electric capacity C2 value is 104uf, electrochemical capacitor C3 is 100uf/50v, electric capacity C4 value is 104uf, three-terminal voltage-stabilizing integrated package model is 7812, electric capacity C5 value is 104uf, counting integrated chip IC3 model is CD4017, R3 value is 22k Europe, R4 value 6.1k Europe, R5 value 4.1k Europe, R6 value 3k Europe, R7 value 2.1k Europe, R8 value 1.5k Europe, R9 value 1.1k Europe, R10 value 660 Europe, R11 value 340 Europe, R12 value 72 Europe, resistance R13 value 1.5k Europe, electric capacity C6 value 7500p, electric capacity C7 value 0.01uf, electric capacity C8 value is 22u, resistance R14 value is 10k Europe, electric capacity C9 value 10uf, electric capacity C10 value 0.01uf, electric capacity C11, C12 value 0.1uf, resistance R16, R15 value is 4.7k Europe, resistance R2 value 2.8k Europe.
Operation principle: after power supply connects 220V electric main, 12V direct current supply voltage is produced by capacity voltage dropping circuit, full-wave rectifier filter circuit, three-terminal voltage-stabilizing circuit, counting integrated chip IC3 output is that Q0 exports high level, all the other outputs are low level, Q0 output respective leds is lit, now 555 integrated package 7 pin internal discharge triodes are off state, 555 integrated package 3 pin export high level, circuit is by R4, R13, C6 charging, and voltage is T by the charging interval that 0 is charged to 2/3Vcc (8V)
1=(R
4+ R
13) C
6ln2 (unit second), power supply indication LED lamp is lighted, and shows that circuit normally works.When voltage is charged to 2/3Vcc (8V), 555 integrated package 3 pin output low levels, simultaneously 555 integrated package 7 pin internal discharge triode ON ground connection, electric capacity C6 is by R13 electric discharge (discharge time T
2=R
13c
6ln2), when voltage drops to 1/3Vcc (4V) by 2/3Vcc (8V), 555 integrated packages are again because 2 pin voltages are lower than 1/3Vcc, 555 integrated package 3 pin export high level, circuit is repeated charge between 1/3Vcc and 2/3Vcc, form autonomous concussion, produce ultrasonic signal.555 integrated packages form multi-resonant oscillating circuit, 555 integrated package 3 pin are exported fixing high-frequency signal and are amplified by audio frequency power amplifier ic chip 2 and send ultrasonic by piezoelectric speaker LS, often by a contact switch S, point frequently selecting circuit unit exports Q0 ~ Q8 circulation, can manually select different ultrasonic, avoid the insect such as mosquito, mouse to adapt to a kind of ultrasonic for a long time.
Described in the utility model, concrete case study on implementation is only better case study on implementation of the present utility model, is not used for limiting practical range of the present utility model.Namely all equivalences done according to the content of the utility model claim change and modify, all should as technology category of the present utility model.
Claims (7)
1. a some frequency ultrasonic electronic insect-dispelling circuit, it is characterized in that, comprise reduction voltage circuit unit, current rectifying and wave filtering circuit unit, three-terminal voltage-stabilizing circuit unit, point is selecting circuit unit frequently, ultrasonic produces circuit unit and ultrasonic output circuit unit, described reduction voltage circuit unit is connected with current rectifying and wave filtering circuit unit input, described current rectifying and wave filtering circuit unit output is connected with three-terminal voltage-stabilizing circuit unit input, described three-terminal voltage-stabilizing circuit unit produces circuit unit to ultrasonic respectively, ultrasonic output circuit unit and point frequently selecting circuit unit are powered, described selecting circuit unit frequently comprises: counting integrated chip IC3, resistance R3 and contact switch S, described ultrasonic produces circuit unit: at least two resistance branch, resistance R13,555 ic chips 1, electric capacity C6, electric capacity C7 and electric capacity C8, described contact switch S one end is connected with the positive power source terminal of counting integrated chip IC3, the other end and the input end of clock counting integrated chip IC3, resistance R3 one end connects, the forbidding holding of the described resistance R3 other end and counting integrated chip IC3 is connected and ground connection, arbitrary count pulse output of described counting integrated chip IC3 is connected with arbitrary resistance branch, 7 pin of described resistance branch and 555 ic chips 1, resistance R13 one end is connected, 2 pin of described 555 ic chips 1 are connected with 6 pin afterwards and the resistance R13 other end, the positive pole of electric capacity C6 connects, 5 pin of described 555 ic chips 1 are connected with electric capacity C7 one end, ground connection after the described electric capacity C7 other end is connected with the negative pole of electric capacity C6, 3 pin of described 555 ic chips 1 are connected with the positive pole of electric capacity C8, the negative pole of described electric capacity C8 is connected with the input of ultrasonic output circuit unit, ultrasonic output circuit unit produces expelling parasite audio frequency.
2. a kind of some frequency ultrasonic electronic insect-dispelling circuit as claimed in claim 1, it is characterized in that, described resistance branch totally nine, every bar resistance branch is formed by a light emitting diode and resistant series, arbitrary count pulse output of described counting integrated chip IC3 is connected with the light emitting diode positive pole in arbitrary resistance branch, and Article 1 resistance branch comprises light emitting diode D6 and resistance R4; Article 2 resistance branch comprises light emitting diode D7 and resistance R5; Article 3 resistance comprises light emitting diode D8 and resistance R6; Article 4 resistance branch comprises light emitting diode D9 and resistance R7; Article 5 resistance branch comprises light emitting diode D10 and resistance R8; Article 6 resistance branch comprises light emitting diode D11 and resistance R9; Article 7 resistance branch comprises light emitting diode D12 and resistance R10; Article 8 resistance branch comprises light emitting diode D13 and resistance R11; Article 9 resistance branch comprises light emitting diode D14 and resistance R12.
3. one puts frequency ultrasonic electronic insect-dispelling circuit as described in claim 1 or 2, it is characterized in that, described ultrasonic output circuit unit comprises: model is the audio frequency power amplifier ic chip 2 of TDA2822, resistance R14, resistance R15, resistance R16, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12 and loudspeaker LS, 7 pin of described audio frequency power amplifier ic chip 2 are connected with resistance R14 one end and as input, 2 pin of described audio frequency power amplifier ic chip 2 are connected with three-terminal voltage-stabilizing circuit output end, 8 pin of described audio frequency power amplifier ic chip 2 are connected with electric capacity C9 positive pole, 5 pin of described audio frequency power amplifier ic chip 2, electric capacity C9 negative pole is connected with electric capacity C10 one end after connecting, 1 pin of described audio frequency power amplifier ic chip 2 and 3 pin are connected to the two ends of loudspeaker LS, 1 pin of described audio frequency power amplifier ic chip 2 is connected with one end of electric capacity C12, the other end of described electric capacity C12 is connected with resistance R16 one end, the other end ground connection of described resistance R16, 3 pin of described audio frequency power amplifier ic chip 2 are connected with one end of electric capacity C11, the other end of described electric capacity C11 is connected with resistance R15 one end, 4 pin of described audio frequency power amplifier ic chip 2 are connected with 6 pin afterwards and the electric capacity C10 other end, the resistance R15 other end connects and ground connection.
4. one puts frequency ultrasonic electronic insect-dispelling circuit as described in claim 1 or 2, and it is characterized in that, described reduction voltage circuit unit comprises electric capacity C1, resistance R1, discharge diode D1 and fuse F1; Described fuse F1 is connected with one end of resistance R1, electric capacity C1, and described resistance R1 is connected the negative pole of discharge diode D1 with the other end holding C1, and the positive pole of described discharge diode is connected current rectifying and wave filtering circuit unit with negative pole.
5. one puts frequency ultrasonic electronic insect-dispelling circuit as described in claim 1 or 2, and it is characterized in that, described current rectifying and wave filtering circuit unit comprises bridge rectifier diode D2, electric capacity C2, electric capacity C3, Zener diode D3; The output of institute's reduction voltage circuit unit is connected with bridge rectifier diode D2 input, and described electric capacity C2, electric capacity C3 and Zener diode D3 are in parallel, and its two ends are connected with bridge rectifier diode D2 output.
6. one puts frequency ultrasonic electronic insect-dispelling circuit as described in claim 1 or 2, and it is characterized in that, described three-terminal voltage-stabilizing circuit comprises electric capacity C4, electric capacity C5 and three-terminal voltage-stabilizing integrated package; Described electric capacity C4 one end is connected with the input of three-terminal voltage-stabilizing integrated package, and the other end is connected with the earth terminal of three-terminal voltage-stabilizing integrated package, and one end of described electric capacity C5 connects the output of three-terminal voltage-stabilizing integrated package, and the other end connects the earth terminal of three-terminal voltage-stabilizing integrated package.
7. one puts frequency ultrasonic electronic insect-dispelling circuit as described in claim 1 or 2, it is characterized in that, also comprise power indicating circuit unit, described power indicating circuit unit comprises resistance R2 and light emitting diode D5, and described resistance R2 connects with light emitting diode D5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087993.7U CN205213961U (en) | 2015-12-23 | 2015-12-23 | Point ultrasonic wave electron expelling parasite frequently circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087993.7U CN205213961U (en) | 2015-12-23 | 2015-12-23 | Point ultrasonic wave electron expelling parasite frequently circuit |
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| CN205213961U true CN205213961U (en) | 2016-05-11 |
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| CN201521087993.7U Active CN205213961U (en) | 2015-12-23 | 2015-12-23 | Point ultrasonic wave electron expelling parasite frequently circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409922A (en) * | 2015-12-23 | 2016-03-23 | 南京信息职业技术学院 | Dot frequency ultrasonic electronic insect repellent circuit |
| CN110139559A (en) * | 2016-12-06 | 2019-08-16 | 诺皮克斯全球股份公司 | Influence the method and apparatus of insect |
-
2015
- 2015-12-23 CN CN201521087993.7U patent/CN205213961U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105409922A (en) * | 2015-12-23 | 2016-03-23 | 南京信息职业技术学院 | Dot frequency ultrasonic electronic insect repellent circuit |
| CN110139559A (en) * | 2016-12-06 | 2019-08-16 | 诺皮克斯全球股份公司 | Influence the method and apparatus of insect |
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