CN203504542U - Steadily working supersonic wave emission circuit - Google Patents
Steadily working supersonic wave emission circuit Download PDFInfo
- Publication number
- CN203504542U CN203504542U CN201320668390.0U CN201320668390U CN203504542U CN 203504542 U CN203504542 U CN 203504542U CN 201320668390 U CN201320668390 U CN 201320668390U CN 203504542 U CN203504542 U CN 203504542U
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- resistance
- triode
- base chip
- electric capacity
- potentiometer
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- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model discloses a steadily working supersonic wave emission circuit comprising a first capacitor, a second capacitor, a time base chip, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a potentiometer, a first triode, a second triode, an energy transducer and a DC power. The steadily working supersonic wave emission circuit is simple in whole structure, low in production cost, and the first and second triodes are employed to excite the energy transducer so as to directionally emit supersonic waves; circuit oscillation is very stable, and the circuit has very high popularization value.
Description
Technical field
The utility model relates to a kind of ultrasonic transmit circuit, relates in particular to a kind of ultrasonic transmit circuit of working stability.
Background technology
Hyperacoustic wavelength is very short, the size of common barrier is large doubly more a lot of than hyperacoustic wavelength, therefore hyperacoustic diffracting power is very poor, it can directed straightline propagation in uniform dielectric, hyperacoustic wavelength is shorter, this characteristic is just more remarkable, when sound is propagated in air, promote airborne particulate double vibrations and particulate is done work, acoustic power just means the physical quantity of sound wave acting speed, under same intensity, sound wave frequency is higher, the power that it has is just larger, because ultrasonic frequency is very high, so ultrasonic wave is compared with general sound wave, its power is very large, ultrasonic transmit circuit structure is now more complicated all, production cost is higher, and job stability is poor, so for most of user, overall price/performance ratio is too low.
Utility model content
The purpose of this utility model is just to provide in order to address the above problem a kind of ultrasonic transmit circuit of working stability.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the first electric capacity, the second electric capacity, time base chip, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, potentiometer, the first triode, the second triode, transducer and DC power supply, the anodal power voltage terminal of base chip when described simultaneously of described the first electric capacity, when described, the reset terminal of base chip is connected with the first end of described the first resistance, and the negative pole of described the first electric capacity is the earth terminal of base chip when described simultaneously, the first end of the first end of described the second electric capacity and described the 3rd resistance is connected and ground connection, when described the output of base chip simultaneously with the first end of described the 5th resistance, the first end of described the 4th resistance, the first end of described potentiometer is connected with the sliding end of described potentiometer, the thresholding end of the base chip low level trigger end of base chip when described simultaneously when described, the second end of described the second electric capacity is connected with the first end of described the second resistance, the second end of described the second resistance is connected with the second end of described potentiometer, the second end of described the 5th resistance is connected with the base stage of described the first triode, the second end of described the 4th resistance is connected with the base stage of described the second triode, the emitter of described the first triode is connected with the second end of described the first resistance and the positive pole of described DC power supply simultaneously, the collector electrode of described the first triode is connected with the collector electrode of described the second triode and the first end of described transducer simultaneously, the emitter while of described the second triode and the second end of described the 3rd resistance, the second end of described transducer and the negative pole of described DC power supply are connected.
Particularly, described the first electric capacity is polar capacitor, and described the first triode is positive-negative-positive, and described the second triode is NPN type.
The beneficial effects of the utility model are:
The utility model overall structure is simple, low production cost, and by the first triode and the second triode excitation transducer orientation transmitting ultrasonic wave, circuit oscillation is very stable, has the value of higher penetration and promotion.
Accompanying drawing explanation
Fig. 1 is the utility model circuit structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model comprises the first capacitor C 1, the second capacitor C 2, time base chip IC, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, potentiometer RP, the first triode Q1, the second triode Q2, transducer TX and DC power supply DC, the first capacitor C 1 is polar capacitor, the first triode Q1 is positive-negative-positive, the second triode Q2 is NPN type, the first capacitor C 1 anodal simultaneously with time base chip IC power voltage terminal, time base chip IC reset terminal be connected with the first end of the first resistance R 1, the negative pole of the first capacitor C 1 simultaneously with time base chip IC earth terminal, the first end of the first end of the second capacitor C 2 and the 3rd resistance R 3 is connected and ground connection, time base chip IC output simultaneously with the first end of the 5th resistance R 5, the first end of the 4th resistance R 4, the first end of potentiometer RP is connected with the sliding end of potentiometer RP, time base chip IC thresholding end simultaneously with time base chip IC low level trigger end, the second end of the second capacitor C 2 is connected with the first end of the second resistance R 2, the second end of the second resistance R 2 is connected with the second end of potentiometer RP, the second end of the 5th resistance R 5 is connected with the base stage of the first triode Q1, the second end of the 4th resistance R 4 is connected with the base stage of the second triode Q2, the emitter of the first triode Q1 is connected with the positive pole of DC power supply DC with the second end of the first resistance R 1 simultaneously, the collector electrode of the first triode Q1 is connected with the first end of transducer TX with the collector electrode of the second triode Q2 simultaneously, the emitter while of the second triode Q2 and the second end of the 3rd resistance R 3, the second end of transducer TX is connected with the negative pole of DC power supply DC.
The utility model is ultrasonic transmit circuit, time base chip IC select 555 family chips, transducer TX is ultrasound piezoelectric ceramic transducer, by time base chip IC and outward element form a kind of bistable multivibrator, by potentiometer RP, can adjust tranmitting frequency, adjust to the 40kHz resonance frequency of transducer TX transmitting, the first triode Q1 and the second triode Q2 are complementary, the buffering exciter that forms transducer TX, excitation transducer TX directional transmissions ultrasonic wave, the peak current of base chip IC while having absorbed because of transducer TX, so circuit oscillation is very stable.The utility model overall structure is simple, and low production cost has the value of higher penetration and promotion.
Claims (2)
1. a ultrasonic transmit circuit for working stability, is characterized in that: comprise the first electric capacity, the second electric capacity, time base chip, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, potentiometer, the first triode, the second triode, transducer and DC power supply, the anodal power voltage terminal of base chip when described simultaneously of described the first electric capacity, when described, the reset terminal of base chip is connected with the first end of described the first resistance, and the negative pole of described the first electric capacity is the earth terminal of base chip when described simultaneously, the first end of the first end of described the second electric capacity and described the 3rd resistance is connected and ground connection, when described the output of base chip simultaneously with the first end of described the 5th resistance, the first end of described the 4th resistance, the first end of described potentiometer is connected with the sliding end of described potentiometer, the thresholding end of the base chip low level trigger end of base chip when described simultaneously when described, the second end of described the second electric capacity is connected with the first end of described the second resistance, the second end of described the second resistance is connected with the second end of described potentiometer, the second end of described the 5th resistance is connected with the base stage of described the first triode, the second end of described the 4th resistance is connected with the base stage of described the second triode, the emitter of described the first triode is connected with the second end of described the first resistance and the positive pole of described DC power supply simultaneously, the collector electrode of described the first triode is connected with the collector electrode of described the second triode and the first end of described transducer simultaneously, the emitter while of described the second triode and the second end of described the 3rd resistance, the second end of described transducer and the negative pole of described DC power supply are connected.
2. the ultrasonic transmit circuit of a kind of working stability according to claim 1, is characterized in that: described the first electric capacity is polar capacitor, and described the first triode is positive-negative-positive, and described the second triode is NPN type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668390.0U CN203504542U (en) | 2013-10-28 | 2013-10-28 | Steadily working supersonic wave emission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668390.0U CN203504542U (en) | 2013-10-28 | 2013-10-28 | Steadily working supersonic wave emission circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504542U true CN203504542U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668390.0U Expired - Fee Related CN203504542U (en) | 2013-10-28 | 2013-10-28 | Steadily working supersonic wave emission circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504542U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624459A (en) * | 2015-01-10 | 2015-05-20 | 肖国选 | Ultrasonic wave emitting circuit |
| CN106236144A (en) * | 2016-09-05 | 2016-12-21 | 深圳市奈士迪技术研发有限公司 | A kind of supersonic imaging apparatus of medical image |
| CN112339443A (en) * | 2020-10-28 | 2021-02-09 | 海南大枣科技有限公司 | Prevent cockroach heat-sensitive bill cloud printer |
-
2013
- 2013-10-28 CN CN201320668390.0U patent/CN203504542U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624459A (en) * | 2015-01-10 | 2015-05-20 | 肖国选 | Ultrasonic wave emitting circuit |
| CN106236144A (en) * | 2016-09-05 | 2016-12-21 | 深圳市奈士迪技术研发有限公司 | A kind of supersonic imaging apparatus of medical image |
| CN112339443A (en) * | 2020-10-28 | 2021-02-09 | 海南大枣科技有限公司 | Prevent cockroach heat-sensitive bill cloud printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |