CN1068931A - Ultrasonic wave mice and insect pests expellant device - Google Patents
Ultrasonic wave mice and insect pests expellant device Download PDFInfo
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- CN1068931A CN1068931A CN 91105071 CN91105071A CN1068931A CN 1068931 A CN1068931 A CN 1068931A CN 91105071 CN91105071 CN 91105071 CN 91105071 A CN91105071 A CN 91105071A CN 1068931 A CN1068931 A CN 1068931A
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Abstract
The present invention relates to a kind of ultrasonic wave mice and insect pests expellant device.It is made of oscillating circuit, amplifying circuit and sound-electricity conversion device, oscillating circuit comprises steady-state oscillation circuit and non-steady-state oscillation circuit two parts, the signal of steady-state oscillation circuit output is through amplifying the input non-steady-state oscillation circuit, the output of non-steady-state oscillation circuit drives sound-electricity conversion device, mouse and various insect is had the ultrasonic signal of the effect of killing with generation.The frequency range of this signal is 30000-65000Hz.
Description
The present invention relates to a kind of ultrasonic wave mice and insect pests expellant device, it utilizes ultrasonic stimulation and destroys the nervous system of mouse or insect, thereby reaches the purpose that they are driven away or kill.
Existing rat destruction and expelling parasite mode mainly contain two kinds of medicine formula and electronic types, and medicine has in various degree harm to the human or animal, and use occasion is restricted.Electronic mosquito repellent (as No. 89200536, Chinese patent application) because the frequency range of audio frequency of being launched or ultrasonic signal is narrow and signal strength signal intensity a little less than, and make it possess the function of killing a kind of (several similar insects at most) insect, so just can't satisfy the needs of killing all insects (as mouse, cockroach, mosquito etc.), make people have to take simultaneously multiple measure or device, although expensive a lot of, effect is unsatisfactory.
The objective of the invention is to provide a kind of ultrasonic wave mice and insect pests expellant device that can kill each class pest, it has transmitting of wide frequency ranges and very strong radiation activity, and people and other animal are not had any harmful effect.
Above-mentioned purpose of the present invention is achieved in that oscillating circuit is made of steady oscillation and unstable oscillation two parts, the steady-state signal that steady-state circuit forms is imported non-steady-state oscillation circuit after amplifying, signal by non-steady-state oscillation circuit output drives sound-electricity conversion device, as piezoelectric ceramics or dynamic loudspeaker, sound-electricity conversion device converts the electrical signal to mechanical wave.Have wide frequency range by steady-state oscillation circuit and non-steady-state oscillation circuit in conjunction with total (output) signal that produces, kill the requirement of (comprising mouse) of various insects for satisfying, described frequency range is located between the 30000-65000 hertz (Hz).For obtaining enough signal strength signal intensities, can adopt various known amplifying techniques, as multistage amplification.
Because ultrasonic wave mice and insect pests expellant device of the present invention has wide frequency range, therefore to compare with existing repellent (for example mosquito expelling equipment), the pest species that can kill is many, has overcome the shortcoming of existing repellent function singleness.
Below in conjunction with accompanying drawing specific embodiments of the invention are described.
Fig. 1 is the electrical schematic diagram of ultrasonic wave mice and insect pests expellant device of the present invention.
As shown in Figure 1, this ultrasonic wave mice and insect pests expellant device is made of steady-state oscillation circuit I, non-steady-state oscillation circuit I, amplifying triode BG and sound-electricity conversion device HTD, and the steady-state oscillation circuit I is by ic chip
2Constitute with coupled Resistor-Capacitor Unit, its output signal is input non-steady-state oscillation circuit II after triode BG amplifies, ic chip
2Adopting the 7th pin output is in order to increase power output, and the non-steady-state oscillation circuit II is by ic chip
2Constitute with the Resistor-Capacitor Unit that is attached thereto, in the present embodiment, ic chip
2And IC
2Be 555 serial time base circuits.It is in running order that LED is used for indication mechanism, K switch and capacitor C
8Be used to check the oscillating circuit working condition, when closing a switch K, because the variation of capacitance, therefore the signal frequency of output does not need other tester just can know whether circuit working is normal in audiorange.
The reference frequency output of circuit shown in the figure is 30000-65000Hz, and spiking output intensity 130dB is at 280m
2In the scope mouse and various mosquito there is tangible repelling and killing efficacy.
The invention is not restricted to circuit shown in Figure 1, adopt other integrated package or discrete component also can realize purpose of the present invention and effect.
Claims (2)
1, a kind of ultrasonic wave mice and insect pests expellant device, comprise oscillating circuit, amplifying circuit and sound-electricity conversion device, it is characterized in that, oscillating circuit is made up of steady-state oscillation circuit and non-steady-state oscillation circuit two parts, the input of amplifying circuit links to each other with the output of steady-state circuit and the input of astable circuit respectively with output, and sound-electricity conversion device is connected on the output of astable circuit.
According to the mice and insect pests expellant device of claim 1, it is characterized in that 2, the frequency range of the signal of sound-electricity conversion device output is 30000-65000Hz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91105071 CN1068931A (en) | 1991-07-29 | 1991-07-29 | Ultrasonic wave mice and insect pests expellant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91105071 CN1068931A (en) | 1991-07-29 | 1991-07-29 | Ultrasonic wave mice and insect pests expellant device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1068931A true CN1068931A (en) | 1993-02-17 |
Family
ID=4906958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91105071 Pending CN1068931A (en) | 1991-07-29 | 1991-07-29 | Ultrasonic wave mice and insect pests expellant device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1068931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104521940A (en) * | 2015-01-19 | 2015-04-22 | 大连万朝科技有限公司 | Electronic mouse repelling device |
-
1991
- 1991-07-29 CN CN 91105071 patent/CN1068931A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104521940A (en) * | 2015-01-19 | 2015-04-22 | 大连万朝科技有限公司 | Electronic mouse repelling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |