CN209768725U - Mosquito dispeller - Google Patents
Mosquito dispeller Download PDFInfo
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- CN209768725U CN209768725U CN201821465498.9U CN201821465498U CN209768725U CN 209768725 U CN209768725 U CN 209768725U CN 201821465498 U CN201821465498 U CN 201821465498U CN 209768725 U CN209768725 U CN 209768725U
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- mosquito
- frequency conversion
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Abstract
The utility model relates to a mosquito repeller, including sound wave mosquito repellant and light wave mosquito repellant, the sound wave mosquito repellant includes a DC power supply, frequency conversion drive signal generator, high frequency filter capacitor and acoustic wave generator, a DC power supply's positive pole is connected with frequency conversion drive signal generator's input, frequency conversion drive signal generator's output and high frequency filter capacitor's input are connected, high frequency filter capacitor's output and acoustic wave generator's input are connected, frequency conversion drive signal generator includes RC oscillating circuit, comparison circuit and triangular wave generator, comparison circuit's positive pole is connected with the triangular wave generator, comparison circuit's negative pole is connected with first DC power supply, comparison circuit's output and RC oscillating circuit are connected. The utility model discloses utilize frequency conversion drive technique, come acoustic wave generator and the light wave illuminator of drive control sound wave high frequency to frequency conversion drive gets off at different frequencies, effectively reaches the effect of driveing to different mosquitos.
Description
Technical Field
The utility model relates to a mosquito dispeller.
Background
The existing scheme for repelling mosquitoes by using sound waves mainly adopts mosquito sensitive sound waves to repel female mosquitoes and utilizes sound waves emitted by a loudspeaker to repel mosquitoes, and the defect that effective insect repelling effect on all different mosquitoes cannot be achieved widely is overcome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a frequency conversion formula, integrative mosquito repellent of reputation ware.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a mosquito repeller, includes sound wave mosquito repellant and light wave mosquito repellant, and the sound wave mosquito repellant includes first DC power supply, frequency conversion drive signal generator, high frequency filter capacitor and acoustic wave generator, first DC power supply's positive pole is connected with the input of frequency conversion drive signal generator, the output of frequency conversion drive signal generator is connected with high frequency filter capacitor's input, high frequency filter capacitor's output is connected with acoustic wave generator's input, frequency conversion drive signal generator includes RC oscillating circuit, comparison circuit and triangular wave generator, comparison circuit's positive pole is connected with the triangular wave generator, comparison circuit's negative pole is connected with first DC power supply, comparison circuit's output and RC oscillating circuit are connected.
Furthermore, the sound generator comprises a piezoelectric ceramic piece and a metal substrate, wherein the metal substrate is coated on the surface of the piezoelectric ceramic piece, and the piezoelectric ceramic piece is connected with the output end of the high-frequency filter capacitor.
Further, the light wave mosquito dispeller comprises a second direct current power supply, a variable frequency driving signal generator, a light wave generator, a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) and a current detection feedback resistor, the anode of the second direct current power supply is connected with the input end of the light wave generator, the output end of the light wave generator is connected with the input end of the MOSFET, the output end of the MOSFET is connected with the input end of the current detection feedback resistor, a node between the anode of the second direct current power supply and the light wave generator is connected with the input end of the variable frequency driving signal generator, and the gate end of the MOSFET is connected with the output end of the variable frequency driving signal generator.
Further, the light wave generator is a yellow LED packaged by a blue light chip with the wavelength of 500nm-590 nm.
Further, the first direct current power supply and the second direct current power supply are two independent power supplies or the same power supply.
Compared with the prior art, the utility model discloses mosquito repeller's beneficial effect is: the sound wave generator and the light wave light emitter which control the sound wave high frequency are driven by using a variable frequency driving technology, and are driven by variable frequency under different frequencies, so that the sound wave and the light wave can be switched under different frequencies to enlarge the working frequency range, and the driving effect on different mosquitoes is effectively achieved.
Drawings
Fig. 1 is a schematic structural diagram of an acoustic mosquito dispeller.
Fig. 2 is a schematic structural diagram of the light wave mosquito dispeller.
Fig. 3 is a schematic diagram of a structure of a variable frequency drive signal generator.
Fig. 4 is a schematic structural diagram of an acoustic wave generator.
Detailed Description
Referring to fig. 1 to 4, a mosquito repelling device includes an acoustic wave mosquito repelling device 1 and an optical wave mosquito repelling device 2, where the acoustic wave mosquito repelling device 1 includes a first dc power supply 11, a variable frequency driving signal generator 12, a high frequency filter capacitor 13 and an acoustic wave generator 14, an anode of the first dc power supply 11 is connected to an input end of the variable frequency driving signal generator 12, an output end of the variable frequency driving signal generator 12 is connected to an input end of the high frequency filter capacitor 13, an output end of the high frequency filter capacitor 13 is connected to an input end of the acoustic wave generator 14, a cathode of the first dc power supply 11 is grounded, and an output end of the acoustic wave generator 14 is grounded.
The sound wave generator 14 includes a piezoelectric ceramic sheet 142 and a metal substrate 141, and the metal substrate 141 is coated on the surface of the piezoelectric ceramic sheet 142. The piezoceramic sheet 142 is connected to the output of the high-frequency filter capacitor 13.
In the figure 1, a first direct current power supply inputs a variable frequency driving signal generator 12 to generate variable frequency driving energy of 20KHz to 50KHz to a high frequency filter capacitor 13, the high frequency filter capacitor 13 converts direct current pulse signals into alternating current signals, and then the electric energy is converted into kinetic energy through a piezoelectric ceramic piece, so that the metal substrate generates vibration to generate periodic variable frequency mosquito interference sound waves of 20KHz to 50KHz, and the effect of driving mosquitoes is achieved.
The variable-frequency driving signal generator 12 includes an RC oscillation circuit 121, a comparison circuit 122 and a triangular wave generator 123, wherein the positive electrode of the comparison circuit 122 is connected to the triangular wave generator 123, the negative electrode of the comparison circuit 122 is connected to the first direct current power supply 11, and the output end of the comparison circuit 122 is connected to the RC oscillation circuit 121.
The variable frequency driving signal generator 12 generates a high frequency pulse waveform by using the RC oscillation circuit principle, wherein the output frequency can be changed by changing the R parameter in the RC, and a triangular wave generator is used to generate a triangular wave to control the on and off of the MOSFETs Q1, Q2, Q3 and Q4 through a comparison circuit, in fig. 3, the MOSFETs Q1, Q2, Q3 and Q4 are sequentially turned on after the charging wave passes through the comparison circuit, and the output pulse wave frequency is higher; the discharging wave will make the MOSFETs of Q4, Q3, Q2, Q1 turn off successively after passing through the comparison circuit, at this time, the frequency of the output pulse wave will be lower, this is to use the R value in the control RC to decrease to increase the output frequency, the R value increases to decrease the output frequency, so as to achieve the method of controlling the frequency conversion.
The optical wave mosquito dispeller 2 comprises a second direct current power supply 21, a variable frequency driving signal generator 22, a light wave generator 23, a MOSFET24 and a current detection feedback resistor 25, wherein the anode of the second direct current power supply 21 is connected with the input end of the light wave generator 23, the output end of the light wave generator 23 is connected with the input end of a MOSFET24, the output end of a MOSFET24 is connected with the input end of the current detection feedback resistor 25, the cathode of the second direct current power supply 21 is grounded, and the output end of the current detection feedback resistor 25 is grounded. The node between the anode of the second dc power supply 21 and the optical wave generator 23 is connected to the input terminal of the variable frequency driving signal generator 22, and the gate terminal of the MOSFET is connected to the output terminal of the variable frequency driving signal generator 22. The light wave generator 23 is a yellow LED packaged by a blue light chip with a wavelength of 500nm-590 nm.
In fig. 2, a variable frequency driving signal generator 22 generates variable frequency driving energy of 80Hz to 500KHz at a gate terminal of an MOSFET to control on and off of the MOSFET, so as to control a frequency of a current pulse wave flowing through a light wave generator 23, and a current detection feedback resistor is used to control a current to achieve constant current control, so that periodic variable frequency mosquito interference light waves of 80Hz to 500KHz at a high frequency can be effectively generated, and an effect of repelling mosquitoes is achieved, wherein a mosquito repelling rate is more than 98%. Because mosquitoes react differently to different light waves: the mosquito repelling board can be accepted by human eyes most, has the least asthenopia and can see light waves with the wave band of 500nm-590nm clearly, mosquitoes have inherent biological characteristics of backlight, and the mosquitoes can escape in the opposite direction in case of being afraid of the light.
The structure of the variable frequency driving signal generator 22 is the same as that of the variable frequency driving signal generator 12, and will not be described again.
The first dc power supply 11 and the second dc power supply 21 are two independent power supplies or the same power supply.
The utility model discloses utilize frequency conversion drive technique, come acoustic wave generator and the light wave illuminator of drive control sound wave high frequency to frequency conversion drive gets off at different frequencies, can let sound wave and light wave can get off at different frequencies and return switching work and increase the operating frequency scope like this, effectively reach the effect of driveing to different mosquitos.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a mosquito repeller which characterized in that: including sound wave mosquito repellant and light wave mosquito repellant, the sound wave mosquito repellant includes first DC power supply, frequency conversion drive signal generator, high frequency filter capacitor and acoustic generator, first DC power supply's positive pole is connected with frequency conversion drive signal generator's input, frequency conversion drive signal generator's output is connected with high frequency filter capacitor's input, high frequency filter capacitor's output is connected with acoustic generator's input, frequency conversion drive signal generator includes RC oscillating circuit, comparison circuit and triangular wave generator, comparison circuit's positive pole is connected with the triangular wave generator, comparison circuit's negative pole is connected with first DC power supply, comparison circuit's output and RC oscillating circuit are connected.
2. A mosquito repellent according to claim 1, wherein: the sound generator comprises a piezoelectric ceramic piece and a metal substrate, wherein the metal substrate is coated on the surface of the piezoelectric ceramic piece, and the piezoelectric ceramic piece is connected with the output end of the high-frequency filter capacitor.
3. A mosquito repellent according to claim 1, wherein: the light wave mosquito dispeller comprises a second direct current power supply, a variable frequency driving signal generator, a light wave generator, a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) and a current detection feedback resistor, wherein the anode of the second direct current power supply is connected with the input end of the light wave generator, the output end of the light wave generator is connected with the input end of the MOSFET, the output end of the MOSFET is connected with the input end of the current detection feedback resistor, a node between the anode of the second direct current power supply and the light wave generator is connected with the input end of the variable frequency driving signal generator, and the gate terminal of the MOSFET is connected with the output end of the variable frequency driving signal generator.
4. A mosquito repellent according to claim 3, wherein: the light wave generator is a yellow LED packaged by a blue light chip with the wavelength of 500nm-590 nm.
5. A mosquito repellent according to claim 3, wherein: the first direct current power supply and the second direct current power supply are two independent power supplies or the same power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465498.9U CN209768725U (en) | 2018-09-07 | 2018-09-07 | Mosquito dispeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821465498.9U CN209768725U (en) | 2018-09-07 | 2018-09-07 | Mosquito dispeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209768725U true CN209768725U (en) | 2019-12-13 |
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ID=68786603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821465498.9U Active CN209768725U (en) | 2018-09-07 | 2018-09-07 | Mosquito dispeller |
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| Country | Link |
|---|---|
| CN (1) | CN209768725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109042616A (en) * | 2018-09-07 | 2018-12-21 | 苏州源泽光电科技集团有限公司 | A kind of mosquito drives device |
-
2018
- 2018-09-07 CN CN201821465498.9U patent/CN209768725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109042616A (en) * | 2018-09-07 | 2018-12-21 | 苏州源泽光电科技集团有限公司 | A kind of mosquito drives device |
| CN109042616B (en) * | 2018-09-07 | 2023-09-01 | 南通源泽光电科技集团有限公司 | Mosquito expelling device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226000 Room 305, building 1, No. 109, Yongfu Road, Tangzha Town Street, Chongchuan District, Nantong City, Jiangsu Province Patentee after: Nantong Yuanze Photoelectric Technology Group Co.,Ltd. Address before: 215000 room 2, 156 zhongxinhe Road, Kunshan Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU ENERGY ELECTRO OPTIC GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |