CN2919872Y

CN2919872Y - Ultrasound wave animal sensor

Info

Publication number: CN2919872Y
Application number: CNU2006200563407U
Authority: CN
Inventors: 张竞峰
Original assignee: GUANGZHOU PANYU DATONG ELECTRONICS CO Ltd
Current assignee: GUANGZHOU PANYU DATONG ELECTRONICS CO Ltd
Priority date: 2006-03-13
Filing date: 2006-03-13
Publication date: 2007-07-11
Anticipated expiration: 2016-03-13

Abstract

An ultrasound wave animal sensor proivdedprovided by the utility model is an electronic product which sends out ultrasound wave signals with a sensor to make animals, dogs in particular, become mentally confused and lose attacking ability, comprising a housing and an ultrasound wave generating circuit which is positioned within the housing and the ultrasound wave generating circuit consists of a power circuit, a primary amplifier circuit, a difference amplifier circuit, a primary RC oscillation circuit, a secondary oscillation circuit, a switching circuit, a booster transformer and an ultrasonic transducer. The utility model makes the amplified signals after being enlarged enter directly into the triggering state of waiting for oscillation, which shortens the signal transmission pathway and reduces the interference of unstable factors, thereby the utility model guarantees the steady frequency of the ultrasound wave emitted and lengthens the useful life.

Description

Ultrasonic animal sensor

Technical field:

The utility model ultrasonic animal sensor is that a kind of ultrasonic signal that utilizes sensor to send makes the electronic product that animal, the particularly behavior of large-scale dog class are clouding of consciousness, lose judgement.

Background technology:

Ultrasonic animal sensor also is dog expelling device, and its design principle is to utilize behaviour psychology of dog and auditory psychology to learn.The people can only hear the sound of frequency below 20KHz, people also are accustomed to training dog only with sound frequency at the sound instrument of this scope, therefore after in a single day dog gets close to the people, its sense of hearing custom has changed, the situation that psychological condition is influenced by sound has also changed, can have an intimate sense to the sound below the 20KHz, its brain can be accustomed to received signal in this frequency range, and therefore tame dog all is in the sound field of this frequency range to people's action consciousness and thoughtcast.But the physiological characteristic of dog does not become, it still can hear the sound that 20KHz is above, and the ultrasonic of 23KHz-25KHz is a danger signal to it, so when dog hears the ultrasonic of the 23KHz-25KHz that sends on the person, its brain wave can be chaotic, behavior consciousness can be fuzzy, can lose the judgment to behavior pattern, and dog expelling device designs according to above principle.When main dog will be attacked the stranger, dog expelling device will send stable, continual 25KHz ultrasonic, allow dog lose the consciousness of attack action, traditional ultrasonic animal sensor, its core circuit that triggers vibration is to utilize the high-frequency high-power triode to make voltage, the amplification of current signal, produce triggering signal, trigger the RLC oscillation circuit and produce the concussion electric current, advantage is that circuit is simple, cost is low, and manufacture craft is simple, but maximum shortcoming is exactly the inductance and the electrochemical capacitor parameter instability of core circuit, cause under high pressure producing frequency drift, the feasible frequency of ultrasonic instability of sending, service life is also short.

Summary of the invention:

For avoiding the deficiencies in the prior art part, the utility model provides that a kind of ultrasonic frequency of sending is stable, the ultrasonic animal sensor of long service life.

The utility model is realized by following technical measures: it is by a housing and be arranged in the housing ultrasonic output circuit and form, ultrasonic output circuit is by power circuit, elementary amplifying circuit, differential amplifier circuit, elementary RC oscillating circuit, secondary RC oscillating circuit, signal switching circuit, step-up transformer and ultrasonic transducer are formed, the positive pole of power supply is connected with the input of elementary amplifying circuit through the primary winding of transformer, differential amplifier circuit is connected between the input of elementary amplification circuit output end and elementary RC circuit, the triggering input of secondary RC circuit is connected with elementary RC circuit output end by triggering signal resistance, electric capacity light shines ultrasonic transducer and is connected between the output of the end of secondary coil of transformer and secondary RC circuit, the other end of transformer secondary output coil is connected with the power-level, signal switching circuit is connected on the transformer two ends, connect power supply, the signal of telecommunication is through elementary amplifying circuit, differential amplifier circuit is amplified, suppressing drift action and elementary RC loop through differential amplifier circuit obtains stable vibration triggering signal and triggers secondary RC loop works, the transformer two ends have had enough voltage that signal switching circuit is opened simultaneously, the alternating voltage of output output up to 128 volts of transformer secondary output coil, by being connected on the ultrasonic transducer between secondary RC loop and the transformer secondary output coil, produce the signal of telecommunication of high-frequency and high-voltage, produce ultrasonic through ultrasonic transducer.

Also be provided with peripheral state control circuit in the utility model housing, be used for controlling the duty of sensor, control circuit is acoustic control delay switch circuit or infra-red sensor switch circuit, also can use the hand switch control circuit.

The utility model is not owing to adopt traditional inductance on the circuit design, reach very high stable voltage to frequency again, just utilized on-off circuit and step-up transformer to realize, though all be traditional element commonly used, but the structure of circuit is the orientation of the accurate reverse parameter of process to be designed, the parameter specification of element and the collocation of type also are to carry out accurate pairing and test on this basis, pairing between element and the element and be connected front or mutual enhancing or the counteracting of negative effect between element that the positive negative error of also all considering used material electrical characteristic of element and parameter is brought, the structure of circuit other parts is also like this, by component parameters and Material Selection, make the ultrasonic frequency of sending stable, and long service life.

The utility model has adopted on-off circuit and step-up transformer, increased differential amplifier circuit, make signal directly enter the triggering state of waiting for vibration through after amplifying, shortened the path of signal transmission, reduced the interference of destabilizing factor, make the ultrasonic frequency of sending highly stable, and long service life.

Description of drawings:

Accompanying drawing 1 is the utility model circuit structure block diagram.

Accompanying drawing 2 is the utility model circuit diagram.

The utility model is described in further detail below in conjunction with accompanying drawing.

Specific embodiment:

As shown in Figure 1, the utility model is made up of a housing and the ultrasonic output circuit that is arranged in the housing, ultrasonic output circuit comprises power circuit 1, elementary amplifying circuit 2, differential amplifier circuit 3, elementary RC oscillating circuit 4, secondary RC oscillating circuit 5, signal switching circuit 6, step-up transformer 7 and ultrasonic transducer 8 are formed, the power circuit positive pole is connected with elementary input amplifier through the primary coil of step-up transformer, differential amplifier circuit is connected between elementary amplification circuit output end and the elementary RC circuit input end, the input of secondary RC circuit is connected with elementary RC circuit output end, ultrasonic transducer is connected between the output of end of transformer secondary wire coil and secondary RC circuit, the other end of transformer secondary output coil is connected with the power-level, signal switching circuit is connected on the first coil of transformer two ends, connect power supply, the signal of telecommunication is through elementary amplifying circuit, differential amplifier circuit is amplified, through the inhibition drift action of differential amplifier circuit and elementary RC loop works (mainly be utilized the frequency characteristic of electric capacity material can be well complementary) with the characteristic of resistance, obtain stable vibration triggering signal and trigger secondary RC loop works, the two ends of transformer have had enough voltage that on-off circuit is opened simultaneously, the alternating voltage of output output up to 128 volts of transformer secondary output coil, by being connected on the signal of telecommunication of the ultrasonic transducer generation high-frequency and high-voltage between secondary RC loop and the transformer secondary output coil, produce ultrasonic through ultrasonic transducer.

As shown in Figure 2, power circuit is made up of switch S 1 and dc source QV, the two ends of switch S 1 and dc source QV are connected to indicator lamp and resistance R, elementary amplifying circuit 2 is made up of pliotron T1 (TIP122), positive source is connected with the colelctor electrode of elementary amplifying circuit pliotron T1 through the primary coil L1 of transformer T, differential amplifier circuit is by triode T2 (PHC1815), T3 (PHC1815), high-power shunt resistance R5, R6 forms, T2 colelctor electrode and T3 base stage join, the emitter stage of elementary amplifying circuit T1 is connected with the base stage of differential amplifier circuit T2, the base stage of T1 and the emitter stage of T3 join, R5, be connected on after the R6 parallel connection between the base stage and emitter stage of T2, the T2 emitter stage is connected with power cathode, the colelctor electrode of T3 is connected with positive source through the primary coil of transformer T, elementary RC circuit is made up of capacitor C 3 (MPK electrodeless electric capacity) and parallel resistance R3, one end (input) of elementary RC circuit is connected with positive source through the primary coil of transformer T, the other end (output) is connected with secondary RC oscillation circuit, and secondary RC oscillating circuit is by precision metallic film resistance R2, R1, the green polyester capacitor C 1 of high accuracy, signal handing-over capacitor C 2 (CBB or cat's silver) is formed.In parallel with C1 after R1 is connected in series with C2, an end of triggering signal resistance R 2 is connected with elementary RC oscillating circuit, and the other end is connected on (the triggering input of oscillating circuit) between resistance R 1 and the capacitor C 2.R1 is connected with ultrasonic transducer 8 with the oscillation circuit one end that C2, C1 form, the other end is connected with power cathode, on-off circuit 6 is by resistance R 4 diode D1 (PHIN4148), light emitting diode L1 and Zener diode Z1 serial connection form, on-off circuit is connected on the two ends of primary coil L1, secondary coil L2 one end of transformer T is connected with ultrasonic transducer 8, and the other end is connected on the negative level of power supply.

The utility model power switch also can be controlled by hand push button by acoustic control delay switch or infra-red sensor switch control.

Claims

1. ultrasonic animal sensor, it is made up of a housing and the ultrasonic output circuit that is arranged in the housing, it is characterized in that: ultrasonic output circuit is by power circuit, elementary amplifying circuit, differential amplifier circuit, elementary RC oscillating circuit, secondary RC oscillating circuit, signal switching circuit, step-up transformer and ultrasonic transducer are formed, the positive pole of power supply is connected with the input of elementary amplifying circuit through the primary coil of transformer, differential amplifier circuit is connected between the input of elementary amplification circuit output end and elementary RC circuit, the triggering input of secondary RC circuit is connected with elementary RC circuit output end by triggering signal resistance, ultrasonic transducer is connected between the output of the end of secondary coil of transformer and secondary RC circuit, the other end of transformer secondary output coil is connected with the power-level, and signal switching circuit is connected on the transformer two ends.

2. ultrasonic animal sensor according to claim 1, it is characterized in that: power circuit is made up of switch (S1) and dc source (QV), the two ends of switch (S1) and dc source (QV) are connected to indicator lamp and resistance (R), elementary amplifying circuit is made up of pliotron (T1), positive source is connected with the colelctor electrode of elementary amplifying circuit pliotron (T1) through the primary coil (L1) of transformer (T), differential amplifier circuit is by triode (T2), (T3), high-power shunt resistance (R5), (R6) form, (T2) colelctor electrode joins with base stage (T3), the emitter stage of elementary amplifying circuit (T1) is connected with the base stage of differential amplifier circuit (T2), (T1) base stage is joined with emitter stage (T3), (R5), (R6) be connected on after the parallel connection between the base stage and emitter stage of (T2), (T2) emitter stage is connected with power cathode, (T3) colelctor electrode is connected with positive source through the primary coil of transformer (T), elementary RC circuit is made up of electric capacity (C3) and parallel resistance (R3), one end of elementary RC circuit is connected with positive source through the primary coil of transformer (T), the other end is connected with secondary RC oscillation circuit, secondary RC oscillating circuit is by resistance (R2), (R1), electric capacity (C1), signal handing-over electric capacity (C2) is formed, (R1) be connected in series with (C2) back in parallel with (C1), one end of triggering signal resistance R 2 is connected with elementary RC oscillating circuit, the other end is connected between resistance (R1) and the electric capacity (C2), (R1) with (C2), (C1) the oscillation circuit one end of Zu Chenging is connected with ultrasonic transducer, the other end is connected with power cathode, on-off circuit is by resistance (R4) diode (D1), light emitting diode (L1), and Zener diode (Z1) serial connection forms, on-off circuit is connected on the two ends of primary coil (L1), secondary coil (L2) end of transformer (T) is connected with ultrasonic transducer, and the other end is connected on the negative level of power supply.

3. ultrasonic animal sensor according to claim 1, it is characterized in that: also be provided with peripheral state control circuit in the housing, be used for controlling the duty of sensor, peripheral state control circuit is acoustic control delay switch circuit or infra-red sensor switch circuit, also can use the hand switch control circuit.

4. ultrasonic animal sensor according to claim 2, it is characterized in that: (C3) be the MPK electrodeless electric capacity, electric capacity (C1) is the green polyester electric capacity of high accuracy, resistance (R2), (R1) are the precision metallic film resistance, pliotron (T1) is the TIP122 diode, triode (T2), (T3) are that PHC1815 triode, electric capacity (C3) are the MPK electrodeless electric capacity, and signal handing-over electric capacity (C2) is CBB or silver-mica capacitor, and diode (D1) is the PHIN4148 diode.