CN107258760A - A kind of reflective multi-direction sound wave mosquito repelling function device - Google Patents

A kind of reflective multi-direction sound wave mosquito repelling function device Download PDF

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Publication number
CN107258760A
CN107258760A CN201710583979.3A CN201710583979A CN107258760A CN 107258760 A CN107258760 A CN 107258760A CN 201710583979 A CN201710583979 A CN 201710583979A CN 107258760 A CN107258760 A CN 107258760A
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CN
China
Prior art keywords
sound wave
curved surface
reflective
reflecting curved
interface
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Pending
Application number
CN201710583979.3A
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Chinese (zh)
Inventor
聂宝华
谢丹洁
傅晓润
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Foshan University
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Foshan University
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Filing date
Publication date
Application filed by Foshan University filed Critical Foshan University
Priority to CN201710583979.3A priority Critical patent/CN107258760A/en
Publication of CN107258760A publication Critical patent/CN107258760A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01MCATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/16Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves

Abstract

The invention discloses the reflective multi-direction sound wave mosquito repelling function device of one kind, including:Reflective vocal structure harmony wave generation circuit, reflective vocal structure, utilize the first reflecting curved surface and the second reflecting curved surface, so that sound passes through first, second reflecting curved surface constantly reflects, so as to which sound wave dissipates to surrounding, so that the coverage of sound wave is wider, sound wave generation circuit, first multivibrator exports 230Hz vibration wave, second multivibrator exports 5Hz control signal ripple, control signal ripple is caused between the input interface of analog switch and output interface with 5Hz frequency break-make by the gating interface of analog switching circuit, so that 230Hz vibration wave drives piezoelectricity tweeter with 5Hz frequencies, so that piezoelectricity tweeter sends lasting 0.2s 230Hz sound waves every 0.2s, because people is not so good as mosquito to the sensitivity of sound, this desultory sound wave can not cause the sense of hearing of people, but the attention of mosquito can be caused, so as to not produce noise pollution while mosquito repellent is ensured.

Description

A kind of reflective multi-direction sound wave mosquito repelling function device
Technical field
The present invention relates to household electrical appliance technical field, more particularly to a kind of reflective multi-direction sound wave mosquito repelling function device.
Background technology
Current being mainly using sound wave come the scheme of mosquito repellent drives female mosquito using the sensitive sound wave of female mosquito is 230Hz Son, sends 230Hz sound wave to drive mosquito using loudspeaker, and present sound wave mosquito repelling function device is upward typically using loudspeaker Mode carries out mosquito repellent, but is due to that loudspeaker is upward, so as to cause the sound wave of in-plane not enough so that the scope of sound wave covering Greatly reduce, reduce the efficiency of mosquito repellent.
And the audio frequency range that can be recognized due to 230Hz sound wave behaviour ear, therefore, using sending merely 230Hz sound wave carrys out mosquito repellent and often causes noise pollution, influences the normal life of people.
The content of the invention
In order to solve the above problems, the invention provides the reflective multi-direction sound wave mosquito repelling function device of one kind, the sound wave mosquito repelling function Device can cause sound wave to the multi-direction scope propagated, expand sound wave covering, while the device does not result in noise pollution, Influence the normal life of people.
The present invention solve its technical problem solution be:A kind of reflective multi-direction sound wave mosquito repelling function device, including:This Body, the body is provided with reflective vocal structure, and the reflective vocal structure includes:Piezoelectricity tweeter, the pressure The first reflecting curved surface is provided with above the vibrating membrane of electric tweeter, being surrounded by for the vibrating membrane is bent with the described first reflection Set between the outer edge of the second relative reflecting curved surface of face, the outer edge of first reflecting curved surface and second reflecting curved surface There is opening, the upper and lower end of the opening and line formation the angular aperture α, the angular aperture α at the center of the vibrating membrane are 24 °, The sound wave generation circuit for driving piezoelectricity tweeter is additionally provided with the body, the sound wave generation circuit includes:It is defeated Go out the first multivibrator, analog switching circuit, the second multivibrator for exporting 5Hz control signal ripples of 230Hz vibration waves, The analog switching circuit is provided with input interface, output interface, for controlling the input interface to be connected with the output interface Or the gating interface disconnected, the output end of first multivibrator is connected with the input interface, the output interface and The piezoelectricity tweeter connection, the output end of second multivibrator is connected with the gating interface.
Further, first, second multivibrator includes NE555 timers.
Further, the analog switch is CD4051 chips.
The beneficial effects of the invention are as follows:The reflective vocal structure, using the first reflecting curved surface and the second reflecting curved surface, makes Obtain sound constantly to reflect by first, second reflecting curved surface, so that sound wave dissipates to surrounding so that the coverage of sound wave is more Extensively, while the sound wave generation circuit is utilized:First multivibrator exports 230Hz vibration wave, and the second multivibrator is defeated Go out 5Hz control signal ripple, control signal ripple causes the input interface of analog switch by the gating interface of analog switching circuit With 5Hz frequency break-make between output interface, so that 230Hz vibration wave drives piezoelectricity high frequency to raise with 5Hz frequencies Sound device so that piezoelectricity tweeter sends lasting 0.2s 230Hz sound waves every 0.2s, due to people to the sensitivity of sound not Such as mosquito, this desultory sound wave can not cause the sense of hearing of people, but can cause the attention of mosquito, so as to ensure Noise pollution is not produced while mosquito repellent.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than is all implemented Example, those skilled in the art on the premise of not paying creative work, can also obtain other designs according to these accompanying drawings Scheme and accompanying drawing.
Fig. 1 is the schematic perspective view of sound wave mosquito repelling function device;
Fig. 2 is the structural representation of reflective vocal structure;
Fig. 3 is the circuit connection diagram of sound wave generation circuit.
Embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and accompanying drawing clear Chu, it is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of embodiment, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text All connection/annexations, not singly refer to component and directly connect, and refer to be added deduct by adding according to specific implementation situation Few couple auxiliary, to constitute more excellent draw bail.Each technical characteristic in the invention, in not conflicting conflict Under the premise of can be with combination of interactions.
Embodiment 1, with reference to Fig. 1 and Fig. 2, a kind of reflective multi-direction sound wave mosquito repelling function device, including body, on the body Provided with reflective vocal structure, the reflective vocal structure includes piezoelectricity tweeter a4, the piezoelectricity tweeter Being surrounded by and the first reflecting curved surface b1 provided with the first reflecting curved surface b1, the vibrating membrane d1 above a4 vibrating membrane d1 The second relative reflecting curved surface b2, the outer edge b11 of the first reflecting curved surface b1 and the outer edge of second reflecting curved surface Opening, the upper and lower end of the opening and the angular aperture α of 24 ° of the line formation at the center of the vibrating membrane d1 are provided between b21.
With reference to Fig. 3, the sound wave generation circuit for driving the piezoelectricity tweeter a4, institute are additionally provided with the body Stating sound wave generation circuit includes:Export the first multivibrator a1, analog switching circuit a3, output 5Hz controls of 230Hz vibration waves Second multivibrator a2, the first multivibrator a1 of signal wave processed includes the first NE555 timers U4, first resistor R1, second resistance R2, the first electric capacity C1, the second resistance R2, first resistor R1, the first electric capacity C1 series connection, described first Node connection between NE555 timers U4 the 7th pin and the first resistor R1 and second resistance R2, described first Node of the NE555 timers U4 second pin, the 6th pin between the first resistor R1 and the first electric capacity C1 is connected, By the parameter value for adjusting first, second resistance R1, R2, the first electric capacity C1 so that the first NE555 timers U4 output end is defeated The resistance for going out first resistor R1 in 230Hz vibration wave, the present embodiment is 3000 Ω, and second resistance R2 resistance is 220 Ω, the One electric capacity C1 capacitance is 1uf, it is hereby achieved that 230Hz vibration wave.
Similarly, the second multivibrator a2 includes:2nd NE555 timers U5,3rd resistor R3, the 4th resistance R4, Two electric capacity C2, the 4th resistance R4,3rd resistor R3, the second electric capacity C2 series connection, the 7th of the 2nd NE555 timers U5 the Node connection between pin and the 4th resistance R4 and 3rd resistor R3, the second of the 2nd NE555 timers U5 draws The node of pin, the 6th pin between the 3rd resistor R3 and the second electric capacity C2 is connected, and passes through adjustment the 4th, 3rd resistor R4, R3, the second electric capacity C2 parameter value so that the 2nd NE555 timers U5 output end exports 5Hz control signal ripple, this 3rd resistor R3 resistance is that 1M Ω, the 4th resistance R4 resistance are 86K Ω in embodiment, and the second electric capacity C2 capacitance is 1uf, it is hereby achieved that 5Hz control signal ripple.
The analog switching circuit a3 provided with input interface E, output interface F, for control the input interface E with it is described Output interface F connect or disconnect gating interface G, the first multivibrator a1 output end by coupled capacitor with it is described Input interface E connections, the output interface F is connected by push-pull circuit with the piezoelectricity tweeter a4, more than described second Harmonic oscillator a2 output end is connected by coupled capacitor with the gating interface G.
The sound wave mosquito repelling function device includes reflective vocal structure harmony wave generation circuit, and the reflective vocal structure is utilized First reflecting curved surface b1 and the second reflecting curved surface b2 so that sound constantly reflects by first, second reflecting curved surface b1, b2, from And sound wave dissipates to surrounding so that the coverage of sound wave is wider, the sound wave generation circuit is defeated using the first multivibrator a1 Go out 230Hz vibration wave, the second multivibrator a2 exports 5Hz control signal ripple, and control signal ripple passes through analog switch electricity Road a3 gating interface G causes with 5Hz frequency break-make between the input interface E of analog switch and output interface F, so that 230Hz vibration wave drives piezoelectricity tweeter a4 with 5Hz frequencies so that piezoelectricity tweeter a4 is sent every 0.2s Continue 0.2s 230Hz sound waves, because people is not so good as mosquito to the sensitivity of sound, this desultory sound wave can not cause The sense of hearing of people, but the attention of mosquito can be caused, so as to not produce noise pollution while mosquito repellent is ensured.
As optimization, the analog switch a3 is CD4051 chips.CD4051 chips have low conduction impedance and very low Cut-off leakage current.With good passband characteristic, the wave distortion in switching process can be prevented.
The better embodiment to the present invention is illustrated above, but the invention is not limited to the implementation Example, those skilled in the art can also make a variety of equivalent modifications or replace on the premise of without prejudice to spirit of the invention Change, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (3)

1. a kind of reflective multi-direction sound wave mosquito repelling function device, it is characterised in that including:Body, the body is provided with reflective Vocal structure, the reflective vocal structure includes:Above piezoelectricity tweeter, the vibrating membrane of the piezoelectricity tweeter Provided with the first reflecting curved surface, the vibrating membrane is surrounded by second reflecting curved surface relative with first reflecting curved surface, institute State between the outer edge of the first reflecting curved surface and the outer edge of second reflecting curved surface be provided with opening, the opening it is upper and lower Line formation the angular aperture α, the angular aperture α at end and the center of the vibrating membrane are to be additionally provided with 24 °, the body for driving The sound wave generation circuit of dynamic pressure electricity tweeter, the sound wave generation circuit includes:Export the first multi resonant of 230Hz vibration waves Oscillator, analog switching circuit, the second multivibrator for exporting 5Hz control signal ripples, the analog switching circuit is provided with defeated Incoming interface, output interface, the gating interface for controlling the input interface to connect or disconnect with the output interface, described The output end of one multivibrator is connected with the input interface, and the output interface is connected with the piezoelectricity tweeter, The output end of second multivibrator is connected with the gating interface.
2. the reflective multi-direction sound wave mosquito repelling function device of one kind according to claim 1, it is characterised in that:Described first, Two multivibrators include NE555 timers.
3. according to a kind of reflective multi-direction sound wave mosquito repelling function device described in claim 1, it is characterised in that:The analog switch is CD4051 chips.
CN201710583979.3A 2017-07-18 2017-07-18 A kind of reflective multi-direction sound wave mosquito repelling function device Pending CN107258760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710583979.3A CN107258760A (en) 2017-07-18 2017-07-18 A kind of reflective multi-direction sound wave mosquito repelling function device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710583979.3A CN107258760A (en) 2017-07-18 2017-07-18 A kind of reflective multi-direction sound wave mosquito repelling function device

Publications (1)

Publication Number Publication Date
CN107258760A true CN107258760A (en) 2017-10-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710583979.3A Pending CN107258760A (en) 2017-07-18 2017-07-18 A kind of reflective multi-direction sound wave mosquito repelling function device

Country Status (1)

Country Link
CN (1) CN107258760A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2338647A1 (en) * 1976-01-22 1977-08-19 Anselme Gilbert Electronic insect and animal repellent - has HF and LF oscillators with frequency ranges regulated by capacitors and potentiometer
CN2657401Y (en) * 2003-09-25 2004-11-24 郭金平 Electronic sonic-wave masquito-expelling apparatus
CN205829978U (en) * 2016-05-31 2016-12-21 北京爱链科技传媒有限公司 A kind of PA-system
CN206933129U (en) * 2017-07-18 2018-01-30 佛山科学技术学院 A kind of reflective multi-direction sound wave mosquito repelling function device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2338647A1 (en) * 1976-01-22 1977-08-19 Anselme Gilbert Electronic insect and animal repellent - has HF and LF oscillators with frequency ranges regulated by capacitors and potentiometer
CN2657401Y (en) * 2003-09-25 2004-11-24 郭金平 Electronic sonic-wave masquito-expelling apparatus
CN205829978U (en) * 2016-05-31 2016-12-21 北京爱链科技传媒有限公司 A kind of PA-system
CN206933129U (en) * 2017-07-18 2018-01-30 佛山科学技术学院 A kind of reflective multi-direction sound wave mosquito repelling function device

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Application publication date: 20171020