CN206933129U - 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 PDFInfo
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- CN206933129U CN206933129U CN201720870760.7U CN201720870760U CN206933129U CN 206933129 U CN206933129 U CN 206933129U CN 201720870760 U CN201720870760 U CN 201720870760U CN 206933129 U CN206933129 U CN 206933129U
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- sound wave
- curved surface
- reflective
- reflecting curved
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Abstract
The utility model discloses a kind of reflective multi-direction sound wave mosquito repelling function device, 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,With 5Hz frequency break-make between input interface and output interface that control signal ripple passes through the gating interface analog switch 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 sensitivity of the people to sound is not so good as mosquito,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
Technical field
Household electrical appliance technical field is the utility model is related to, more particularly to a kind of reflective multi-direction sound wave mosquito repelling function device.
Background technology
Current using sound wave is 230Hz to drive female mosquito mainly using the sensitive sound wave of female mosquito come the scheme of mosquito repellent
Son, 230Hz sound wave is sent using loudspeaker to drive mosquito, present sound wave mosquito repelling function device is upward typically using loudspeaker
Mode carries out mosquito repellent, but because loudspeaker is upward, so as to cause the sound wave of in-plane insufficient so that the scope of sound wave covering
Greatly reduce, reduce the efficiency of mosquito repellent.
And because 230Hz sound wave is the audio frequency range that can identify of human ear, therefore, using sending merely
230Hz sound wave carrys out mosquito repellent and often causes noise pollution, influences the normal life of people.
Utility model content
In order to solve the above problems, the utility model provides a kind of reflective multi-direction sound wave mosquito repelling function device, the sound wave
Mosquito-driving device can cause sound wave to multi-direction propagation, to expand the scope that sound wave covers, while the device will not cause noise
Pollution, influences the normal life of people.
The solution that the utility model solves its technical problem is：A kind of reflective multi-direction sound wave mosquito repelling function device, bag
Include：Body, the body are provided with reflective vocal structure, and the reflective vocal structure includes：Piezoelectricity tweeter, institute
State and the first reflecting curved surface be provided with above the vibrating membrane of piezoelectricity tweeter, the vibrating membrane be surrounded by with it is described first anti-
Penetrate the second relative reflecting curved surface of curved surface, the outer edge of the outer edge of first reflecting curved surface and second reflecting curved surface it
Between be provided with opening, the line at the upper and lower end of the opening and the center of the vibrating membrane forms angular aperture α, the angular aperture α and is
24 °, the sound wave generation circuit for driving piezoelectricity tweeter, the sound wave generation circuit bag are additionally provided with the body
Include：Export the first multivibrator, analog switching circuit, the second multi-resonant for exporting 5Hz control signal ripples of 230Hz vibration waves
Device is swung, the analog switching circuit is provided with input interface, output interface, for controlling the input interface and the output interface
Connection or the gating interface disconnected, the output end of first multivibrator are connected with the input interface, and the output connects
Mouth is connected with the piezoelectricity tweeter, and 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 utility model are：The reflective vocal structure, it is bent using the first reflecting curved surface and the second reflection
Face so that sound constantly reflects by first, second reflecting curved surface, so as to which sound wave dissipates to surrounding so that the covering model of sound wave
Enclose more extensively, while the sound wave generation circuit utilizes：First multivibrator exports 230Hz vibration wave, the second multi-harmonic-oscillations
Device exports 5Hz control signal ripple, the input for the gating interface analog switch that control signal ripple passes through analog switching circuit
Between interface and output interface with 5Hz frequency break-make, so that 230Hz vibration wave drives piezoelectricity height with 5Hz frequencies
Band loudspeaker so that piezoelectricity tweeter sends lasting 0.2s 230Hz sound waves every 0.2s, because people is to the sensitive of sound
Degree is not so good as mosquito, and this desultory sound wave can not cause the sense of hearing of people, but can cause the attention of mosquito, so that
Ensure not produce noise pollution while mosquito repellent.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design 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
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more excellent draw bail.Each technology in the invention is special
Sign, can be with combination of interactions on the premise of not conflicting conflict.
Embodiment 1, with reference to figure 1, Fig. 2, Fig. 3, a kind of reflective multi-direction sound wave mosquito repelling function device, including body, described
Body is provided with reflective vocal structure, and the reflective vocal structure includes piezoelectricity tweeter a4, and the piezoelectricity high frequency is raised
Being surrounded by and the described first reflection song provided with the first reflecting curved surface b1, the vibrating membrane d1 above sound device a4 vibrating membrane d1
The outer edge b11 of the second relative face b1 reflecting curved surface b2, the first reflecting curved surface b1 is outer with second reflecting curved surface
Opening, the upper and lower end of the opening and the opening of 24 ° of the line formation at the center of the vibrating membrane d1 are provided between edge b21
Angle α.
The sound wave generation circuit for driving the piezoelectricity tweeter a4, the sound wave hair are additionally provided with the body
Raw circuit includes：Export the first multivibrator a1, analog switching circuit a3, output 5Hz control signal ripples of 230Hz vibration waves
The second multivibrator a2, the first multivibrator a1 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, the first NE555 timings
Node connection between device U4 the 7th pin and the first resistor R1 and second resistance R2, the first NE555 timers
The node of U4 second pin, the 6th pin between the first resistor R1 and the first electric capacity C1 is connected, and passes through adjustment the
First, second resistance R1, R2, the first electric capacity C1 parameter value so that the first NE555 timers U4 output end output 230Hz's
Vibration wave, first resistor R1 resistance is 3000 Ω in the present embodiment, and second resistance R2 resistance is 220 Ω, the first electric capacity C1
Capacitance be 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 output 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 be 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, the reflective vocal structure, utilizes
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, 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 sends every 0.2s
Continue 0.2s 230Hz sound waves, because sensitivity of the people to sound is not so good as mosquito, 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.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (3)
- A kind of 1. reflective multi-direction sound wave mosquito repelling function device, it is characterised in that including：Body, the body are provided with reflective Vocal structure, the reflective vocal structure include：Piezoelectricity tweeter, the vibrating membrane top 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 and opening be provided between the outer edge of the first reflecting curved surface and the outer edge of second reflecting curved surface, the opening it is upper and lower It is 24 ° that the line at end and the center of the vibrating membrane, which forms angular aperture α, the angular aperture α, is additionally provided with the body for driving The sound wave generation circuit of dynamic pressure electricity tweeter, the sound wave generation circuit include：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 are 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720870760.7U CN206933129U (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 |
|---|---|---|---|
| CN201720870760.7U CN206933129U (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 |
|---|---|
| CN206933129U true CN206933129U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720870760.7U Expired - Fee Related CN206933129U (en) | 2017-07-18 | 2017-07-18 | A kind of reflective multi-direction sound wave mosquito repelling function device |
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| CN (1) | CN206933129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107258760A (en) * | 2017-07-18 | 2017-10-20 | 佛山科学技术学院 | A kind of reflective multi-direction sound wave mosquito repelling function device |
-
2017
- 2017-07-18 CN CN201720870760.7U patent/CN206933129U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107258760A (en) * | 2017-07-18 | 2017-10-20 | 佛山科学技术学院 | A kind of reflective multi-direction sound wave mosquito repelling function device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190718 |