CN103344302A - Ultrasonic wave transmission circuit of water leaching monitoring system - Google Patents
Ultrasonic wave transmission circuit of water leaching monitoring system Download PDFInfo
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- CN103344302A CN103344302A CN2013102373153A CN201310237315A CN103344302A CN 103344302 A CN103344302 A CN 103344302A CN 2013102373153 A CN2013102373153 A CN 2013102373153A CN 201310237315 A CN201310237315 A CN 201310237315A CN 103344302 A CN103344302 A CN 103344302A
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Abstract
The invention discloses an ultrasonic wave transmission circuit of a water leaching monitoring system. The ultrasonic wave transmission circuit of the water leaching monitoring system comprises a first diode, a first audion, a third resistor, a boosting transformer and an ultrasonic wave probe. One end of the third resistor is connected with a base of the first audion, and the other end of the third resistor is connected with a trigger signal input line. A collector of the first audion is connected with a primary side of the boosting transformer. The negative electrode of the first diode is connected with a line between the third resistor and the base of the first audion, and the positive electrode of the first diode is connected with the ground. The ultrasonic wave probe is connected with a vice edge of the boosting transformer. By the adoption of the structure of the ultrasonic wave transmission circuit, the whole structure is simple and easy to achieve. When the ultrasonic wave transmission circuit is used, a trigger signal is stable, and the occurrence that the normal application of the water leaching monitoring system is affected by the unstable trigger signal can be avoided.
Description
Technical field
The present invention relates to the intelligence control system of transformer station, specifically is the ultrasonic transmit circuit of flood monitoring system.
Background technology
Along with industrial expansion, all trades and professions improve day by day to the power supply reliability of electric system and the requirement of stability, transformer station is as the core link of electric system, it is used for compiling power supply, lifting voltage and distributes electric energy, undertaking high-low pressure conversion and the power supply task of region, therefore, the safe operation of transformer station is most important to electric system.In order to guarantee the reliable and stable operation of transformer station, existing transformer station generally is equipped with flood monitoring system and supply and drain water system.Wherein, the control signal that the flood monitoring system of transformer station generally adopts ultrasonic sensor reception controller to send is carried out water level monitoring, controller generally adopts chip microcontroller, and existing flood monitoring system usually has influence on monitoring quality because of the instability of trigger pip.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of ultrasonic transmit circuit that can guarantee the flood monitoring system that trigger pip is stable is provided.
Purpose of the present invention is achieved through the following technical solutions: the ultrasonic transmit circuit of flood monitoring system, comprise first diode, first triode, the 3rd resistance, step-up transformer and ultrasonic probe, described the 3rd resistance one end is connected with the base stage of first triode, its other end is connected with the trigger pip input line, the collector of described first triode is connected with the former limit of step-up transformer, described first diode cathode is connected with circuit between the 3rd resistance and first transistor base, the first diode cathode ground connection, described ultrasonic probe is connected with the secondary of step-up transformer.
The emitter of described first triode is connected with power supply.
Be in series with second resistance on described power supply and the circuit that first transistor emitter is connected.
The ultrasonic transmit circuit of flood monitoring system also comprises first resistance, and described first resistance, one end is connected on the circuit between the 3rd resistance and first transistor base, its other end ground connection.
The ultrasonic transmit circuit of flood monitoring system also comprises the 4th resistance, and described the 4th resistance one end is connected on the circuit between step-up transformer and the ultrasonic probe, its other end ground connection.
As preferably, described first triode is the PNP triode.
Compared with prior art, the present invention has following beneficial effect: the present invention includes first diode, first triode, the 3rd resistance, step-up transformer and ultrasonic probe, wherein, the 3rd resistance is connected with the trigger pip input line, one-piece construction of the present invention is simple, be convenient to realize, the use components and parts are few, cost is low, when the present invention uses, pulse signal is delivered to first triode and is amplified after the first diode voltage stabilizing, boost through step-up transformer, and then the probe that drives ultrasonic sensor sends ultrasound wave, the present invention is under the pressure stabilization function of first diode again, can guarantee the stable of pulse triggering signal, and then can avoid because of the unstable monitoring quality that influences the flood monitoring system of trigger pip.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
The corresponding name of Reference numeral is called in the accompanying drawing: 1, trigger pip input line, R1, first resistance, R2, second resistance, R3, the 3rd resistance, R4, the 4th resistance, D1, first diode, Q1, first triode, T1, step-up transformer, LS, ultrasonic probe, VCC, power supply.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the ultrasonic transmit circuit of flood monitoring system, comprise the first diode D1, the first triode Q1, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, step-up transformer T1 and ultrasonic probe LS, wherein, the first triode Q1 is the PNP triode, the collector of the first triode Q1 is connected with the former limit of step-up transformer T1, the emitter of the first triode Q1 is connected with power supply VCC, and second resistance R 2 is connected on the circuit between power supply VCC and the first triode Q1 emitter.
The 3rd resistance R 3 one ends are connected with the base stage of the first triode Q1, and its other end is connected with trigger pip input line 1, the first resistance R 1 one ends and is connected on the circuit between the 3rd resistance R 3 and the first triode Q1 base stage, its other end ground connection; The first diode D1 negative pole is connected the first diode D1 plus earth with circuit between the 3rd resistance R 3 and the first triode Q1 base stage.Ultrasonic probe LS is connected with the secondary of step-up transformer T1, and the 4th resistance R 4 one ends are connected on the circuit between step-up transformer T1 and the ultrasonic probe LS, its other end ground connection.
When present embodiment is used, the other end that trigger pip input line 1 connects the 3rd resistance R 3 ends relatively is connected with the controller that single-chip microcomputer constitutes, the start pulse signal that controller sends amplifies through the first diode D1 voltage stabilizing, the first triode Q1 successively and step-up transformer T1 boosts, and ultrasonic probe is triggered in the back, and then guarantees that trigger pip is stable and reach the frequency of demand.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention does, can not assert that the specific embodiment of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, not breaking away from other embodiments that draw under the technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (6)
1. the ultrasonic transmit circuit of flood monitoring system, it is characterized in that: comprise first diode (D1), first triode (Q1), the 3rd resistance (R3), step-up transformer (T1) and ultrasonic probe (LS), described the 3rd resistance (R3) end is connected with the base stage of first triode (Q1), its other end is connected with trigger pip input line (1), the collector of described first triode (Q1) is connected with the former limit of step-up transformer (T1), described first diode (D1) negative pole is connected with circuit between the 3rd resistance (R3) and first triode (Q1) base stage, first diode (D1) plus earth, described ultrasonic probe (LS) is connected with the secondary of step-up transformer (T1).
2. the ultrasonic transmit circuit of flood monitoring according to claim 1 system, it is characterized in that: the emitter of described first triode (Q1) is connected with power supply (VCC).
3. the ultrasonic transmit circuit of flood monitoring according to claim 2 system is characterized in that: be in series with second resistance (R2) on described power supply (VCC) and the circuit that first triode (Q1) emitter is connected.
4. the ultrasonic transmit circuit of flood monitoring according to claim 1 system, it is characterized in that: also comprise first resistance (R1), described first resistance (R1) end is connected on the circuit between the 3rd resistance (R3) and first triode (Q1) base stage, its other end ground connection.
5. the ultrasonic transmit circuit of flood monitoring according to claim 1 system, it is characterized in that: also comprise the 4th resistance (R4), described the 4th resistance (R4) end is connected on the circuit between step-up transformer (T1) and the ultrasonic probe (LS), its other end ground connection.
6. according to the ultrasonic transmit circuit of any described flood monitoring system in the claim 1～5, it is characterized in that: described first triode (Q1) is the PNP triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102373153A CN103344302A (en) | 2013-06-17 | 2013-06-17 | Ultrasonic wave transmission circuit of water leaching monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102373153A CN103344302A (en) | 2013-06-17 | 2013-06-17 | Ultrasonic wave transmission circuit of water leaching monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN103344302A true CN103344302A (en) | 2013-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102373153A Pending CN103344302A (en) | 2013-06-17 | 2013-06-17 | Ultrasonic wave transmission circuit of water leaching monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826384A (en) * | 2018-06-04 | 2018-11-16 | 广州市德弘五金制品有限公司 | A kind of ultrasonic wave detecting system and its detection method of electric ceramic heaters |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062946U (en) * | 1990-01-23 | 1990-10-03 | 郑五星 | Supersonic mouse killer |
| CN102930742A (en) * | 2012-11-01 | 2013-02-13 | 江苏大为科技股份有限公司 | Circuit structure of ultrasonic parking place detector |
| CN203274856U (en) * | 2013-06-17 | 2013-11-06 | 成都荣耀科技有限公司 | Ultrasonic transmitter for flood monitoring system |
-
2013
- 2013-06-17 CN CN2013102373153A patent/CN103344302A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2062946U (en) * | 1990-01-23 | 1990-10-03 | 郑五星 | Supersonic mouse killer |
| CN102930742A (en) * | 2012-11-01 | 2013-02-13 | 江苏大为科技股份有限公司 | Circuit structure of ultrasonic parking place detector |
| CN203274856U (en) * | 2013-06-17 | 2013-11-06 | 成都荣耀科技有限公司 | Ultrasonic transmitter for flood monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826384A (en) * | 2018-06-04 | 2018-11-16 | 广州市德弘五金制品有限公司 | A kind of ultrasonic wave detecting system and its detection method of electric ceramic heaters |
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Application publication date: 20131009 |