CN204881776U - Adopt sonar method to carry out liquid liquid level detection's circuit - Google Patents
Adopt sonar method to carry out liquid liquid level detection's circuit Download PDFInfo
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- CN204881776U CN204881776U CN201520604241.7U CN201520604241U CN204881776U CN 204881776 U CN204881776 U CN 204881776U CN 201520604241 U CN201520604241 U CN 201520604241U CN 204881776 U CN204881776 U CN 204881776U
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Abstract
The utility model discloses an adopt sonar method to carry out liquid liquid level detection's circuit, including signal acquisition circuit and signal transmission circuit, signal transmission circuit sends ultrasonic signal to the liquid in to it carries out the receiving process to the signal acquisition circuit in to reflect ultrasonic signal, signal acquisition circuit includes and is connected with input resistance and output resistance by four double -direction analogue switches on four double -direction analogue switches, still is connected with the reflecting electrode on the input resistance, and the output resistance passes through resistance R3 and is connected with signal transmission circuit, signal transmission circuit includes time base chip IC1, and triggering the foot and discharging of time base chip IC1 is provided with resistance and diode between the foot, and time base chip triggers the foot and the control foot passes through capacitance connection within a definite time, is provided with emitting electrode on time base chip IC1's the output pin, utilizes sound wave lossless transfer characteristic in liquid, and convenient and fast carries out the measurement documentation to the liquid liquid level, makes things convenient for the operator according to specific liquid level condition, formulates corresponding reply and operation strategy.
Description
Technical field
The utility model relates to sonar technical field, specifically, is a kind of circuit adopting sonar method to carry out liquid level detection.
Background technology
Sonar is the transliteration of english abbreviation " SONAR ", its Chinese full name is: sound navigation and range finding, SoundNavigationAndRanging " be that one utilizes the underwater propagation characteristic of sound wave, changed and information processing by electroacoustic, complete the electronic equipment of undersea detection and communication task.It has active and passive type two type, belongs to the category of acoustics location.Sonar utilizes underwater acoustic wave to detect submarine target, locates and the electronic equipment communicated, and is most widely used general, most important a kind of device in underwater acoustics.
Due to the speed height very that electromagnetic wave is decayed in water, as the signal source of detecting, utilization means the most widely cannot be become with the undersurface culture of acoustic sounding.No matter be submarine or water surface ship, all utilize the flavor of this technology, the object under detection is water-bed, or the foundation using it as navigation.
Make the form of energy of long-distance transmissions.So the technology of detecting underwater object---sonar technology is just arisen at the historic moment.
Sound wave is the important means of observing and measuring.What is interesting is, English " sound " one word is the meaning of " sound " as noun, just has the meaning of " detection " as verb, and visible sound is closely with detection relation.
Carry out observing and measuring in water, what have condition richly endowed by nature only has sound wave.This is that the penetration capacity of light in water is very limited because the operating distance of other detection means is all very short, even if in the limpidest seawater, people also can only see that tens meters to the object in tens meters; Electromagnetic wave is also decayed too fast in water, and wavelength is shorter, loses larger, namely uses powerful low-frequency electromagnetic wave, also can only propagate tens meters.But sound wave is just much smaller in the decay of water transmission, the bomb of blast one several kilograms in deep sound channel, and can also receive signal outside 20,000 kilometers, the sound wave of low frequency can also penetrate the stratum of a few km in seabed, and obtains the information in stratum.Carry out measuring and observing in water, also do not find means more more effective than sound wave so far.
Utility model content
The purpose of this utility model is to provide a kind of circuit adopting sonar method to carry out liquid level detection, utilize sound wave lossless transmission characteristic in a liquid, the a kind of of design can be used for the circuit carrying out liquid level detection, conveniently survey record is carried out to liquid level, handled easily person, according to concrete level condition, formulates corresponding reply and operation strategy.
The utility model is achieved through the following technical solutions: a kind of circuit adopting sonar method to carry out liquid level detection, comprise signal acquisition circuit and signal transmission circuit, described signal transmission circuit sends ultrasonic signal in liquid, and is reflexed to by ultrasonic signal in signal acquisition circuit and carry out receptions and process; Described signal acquisition circuit comprises four bilateral analog switch, described four bilateral analog switch is connected with input resistance and output resistance, input resistance is also connected with reflecting electrode, and described output resistance is connected with signal transmission circuit by resistance R3; Base chip IC 1 when described signal transmission circuit comprises, time described base chip IC 1 triggering pin and electric discharge pin between be provided with resistance and diode, and time base chip trigger pin and be connected by electric capacity with between control pin, time described base chip IC 1 output pin on be provided with emitting electrode.
Further, for better realizing the utility model, also comprise the signal conditioning circuit of the processing signals exported for Received signal strength Acquisition Circuit, described signal conditioning circuit comprises coupling mechanism G1 and discharge circuit IC2, described resistance R3 connecting valve circuit, the input end of described on-off circuit butt coupling device G1, the output port of described coupling mechanism G1 connects the input end of discharge circuit IC2.
Further, for better realizing the utility model, also comprise real-time display system, described real-time display system is connected with the output terminal of discharge circuit IC2 through potentiometer W, display driving integrated circuit IC4, LED display circuit is provided with in described real-time display circuit, described LED display circuit is connected with display driving integrated circuit IC4, and described display driving integrated circuit IC4 is connected with potentiometer W.
Further, for better realizing the utility model, described reflecting electrode is at least one.
Further, for better realizing the utility model, described coupling mechanism G1 is photoelectrical coupler.
The utility model compared with prior art, has the following advantages and beneficial effect:
The utility model utilizes sound wave lossless transmission characteristic in a liquid, the a kind of of design can be used for the circuit carrying out liquid level detection, conveniently carry out survey record to liquid level, handled easily person, according to concrete level condition, formulates corresponding reply and operation strategy.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the utility model feed circuit schematic diagram used.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
A kind of circuit adopting sonar method to carry out liquid level detection, as shown in Figure 1, 2, comprise signal acquisition circuit and signal transmission circuit, described signal transmission circuit sends ultrasonic signal in liquid, and is reflexed to by ultrasonic signal in signal acquisition circuit and carry out receptions and process, described signal acquisition circuit comprises four bilateral analog switch, described four bilateral analog switch are connected with input resistance and output resistance, input resistance is convenient to be made up of resistance R15 ~ resistance R24, input resistance is also connected with reflecting electrode, resistance R15 ~ resistance R24 is connected to the reflecting electrode be made up of electrode 1 ~ electrode 10, described output resistance is connected with signal transmission circuit by resistance R3, and output resistance is made up of resistance R5 ~ resistance R14 respectively, four bilateral analog switch (IC3) comprise 10 four independent bilateral analog switch, difference contact resistance R5 and resistance R15 on IC3-1, the upper contact resistance R6 and resistance R16 respectively of IC3-2, the upper contact resistance R7 and resistance R17 respectively of IC3-3, the upper contact resistance R8 and resistance R18 respectively of IC3-4, the upper contact resistance R9 and resistance R19 respectively of IC3-5, the upper contact resistance R10 and resistance R20 respectively of IC3-6, the upper contact resistance R11 and resistance R21 respectively of IC3-7, the upper contact resistance R12 and resistance R22 respectively of IC3-8, the upper contact resistance R13 and resistance R23 respectively of IC3-9, the upper contact resistance R14 and resistance R24 respectively of IC3-10, resistance R15 ~ resistance R24 connects power supply V2 simultaneously simultaneously, base chip IC 1 when described signal transmission circuit comprises, resistance (R2) and diode (D1) is provided with between the triggering pin (2 pin) of base chip IC 1 and electric discharge pin (7 pin) time described, and time base chip trigger pin (2) and between control pin (5), pass through electric capacity (C1, C2) and be connected, time described base chip IC 1 output pin on be provided with emitting electrode (electrode 0).
In use, for when giving, base chip IC 1 is powered, by time base chip IC 11 pin meet power supply V2; Time base chip IC 17 pin by resistance R1 ground connection, time 4 pin of base chip IC 1,8 pin all ground connection, time base chip IC 12 pin connect altogether with 6 pin.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, as Fig. 1, shown in 2, further, for better realizing the utility model, also comprise the signal conditioning circuit of the processing signals exported for Received signal strength Acquisition Circuit, described signal conditioning circuit comprises coupling mechanism G1 and discharge circuit IC2, described resistance R3 connecting valve circuit, the input end of described on-off circuit butt coupling device G1, the output port of described coupling mechanism G1 connects the input end of discharge circuit IC2, shown on-off circuit comprises resistance R26 and switching tube Q1, for making the signal exported through coupling mechanism, while there is not front stage interference, the unwanted noise signal of filtering, the output port of coupling mechanism G1 is provided with the capacitance-resistance L-type wave filter that resistance R25 and electric capacity C3 forms, and the input end (2 pin) of discharge circuit IC2 is connected to by capacitance-resistance L-type wave filter, power for ease of giving coupling mechanism G1 and discharge circuit IC2, at coupling mechanism G1 and discharge circuit IC2(7 pin) on be connected with power supply V1, at discharge circuit IC2(4 pin) on be connected with power supply V2.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, as Fig. 1, shown in 2 further, for better realizing the utility model, also comprise real-time display system, described real-time display system is connected with the output terminal of discharge circuit IC2 through potentiometer W, simultaneously power supply V2 is connected with potentiometer W by resistance R27 and powers, display driving integrated circuit IC4 is provided with in described real-time display circuit, LED display circuit, described LED display circuit is connected with display driving integrated circuit IC4, LED display circuit comprises light emitting diode LED1 ~ light emitting diode LED10, resistance R28 ~ resistance R37, totally 10 groups of LED illuminating circuits, and the negative pole of light emitting diode LED1 ~ light emitting diode LED10 connects 1 pin of display driving integrated circuit IC4 respectively, 18 pin ~ 10 pin, and resistance R28 ~ resistance R37 connects power supply V3 simultaneously, power supply V3 also connects 3 pin and 9 pin of display driving integrated circuit IC4 simultaneously, 2 of display driving integrated circuit IC4, 4, 8 pin ground connection, 6 pin of display driving integrated circuit IC4, 7 pin are by resistance R38 ground connection, described display driving integrated circuit IC4(5 pin) be connected with potentiometer W.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, and as shown in Figure 1, 2 further, for better realizing the utility model, described reflecting electrode is at least one, is preferably set to 10, is respectively electrode 1 ~ electrode 10.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, and further, for better realizing the utility model, described coupling mechanism G1 is photoelectrical coupler.
As shown in Figure 1, 2, also comprise the feed circuit of powering to a kind of circuit adopting sonar method to carry out liquid level detection, described feed circuit comprise transformer circuit, positive and negative 9v D.C. regulated power supply generative circuit and 5v D.C. regulated power supply generative circuit, described transformer circuit will exchange 220v transformation for exchanging 12v for positive and negative 9v D.C. regulated power supply generative circuit, and transformer circuit will exchange 220v transformation for exchanging 8v for 5v D.C. regulated power supply generative circuit; Described positive and negative 9v D.C. regulated power supply generative circuit is by commutation diode D2, commutation diode D3, the current rectifying and wave filtering circuit of filter capacitor C4, filter capacitor C5 composition, circuit of three-terminal voltage-stabilizing integrated IC5, circuit of three-terminal voltage-stabilizing integrated IC6, output filter capacitor C7, output filter capacitor C8 form, rectification out-put supply V1(9v stabilized voltage supply) and power supply V2(-9v stabilized voltage supply); Described 5v D.C. regulated power supply generative circuit is by rectifier VD1, electric capacity C6, three terminal integrated voltage stabilizer IC7, output filter capacitor C9, and rectification out-put supply V3(5v stabilized voltage supply).
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (5)
1. the circuit adopting sonar method to carry out liquid level detection, it is characterized in that: comprise signal acquisition circuit and signal transmission circuit, described signal transmission circuit sends ultrasonic signal in liquid, and is reflexed to by ultrasonic signal in signal acquisition circuit and carry out receptions and process; Described signal acquisition circuit comprises four bilateral analog switch, described four bilateral analog switch is connected with input resistance and output resistance, input resistance is also connected with reflecting electrode, and described output resistance is connected with signal transmission circuit by resistance R3; Base chip IC 1 when described signal transmission circuit comprises, time described base chip IC 1 triggering pin and electric discharge pin between be provided with resistance and diode, and time base chip trigger pin and be connected by electric capacity with between control pin, time described base chip IC 1 output pin on be provided with emitting electrode.
2. a kind of circuit adopting sonar method to carry out liquid level detection according to claim 1, it is characterized in that: the signal conditioning circuit also comprising the processing signals exported for Received signal strength Acquisition Circuit, described signal conditioning circuit comprises coupling mechanism G1 and discharge circuit IC2, described resistance R3 connecting valve circuit, the input end of described on-off circuit butt coupling device G1, the output port of described coupling mechanism G1 connects the input end of discharge circuit IC2.
3. a kind of circuit adopting sonar method to carry out liquid level detection according to claim 2, it is characterized in that: also comprise real-time display system, described real-time display system is connected with the output terminal of discharge circuit IC2 through potentiometer W, display driving integrated circuit IC4, LED display circuit is provided with in described real-time display circuit, described LED display circuit is connected with display driving integrated circuit IC4, and described display driving integrated circuit IC4 is connected with potentiometer W.
4. a kind of circuit adopting sonar method to carry out liquid level detection according to claim 1 or 2 or 3, is characterized in that: described reflecting electrode is at least one.
5. a kind of circuit adopting sonar method to carry out liquid level detection according to Claims 2 or 3, is characterized in that: described coupling mechanism G1 is photoelectrical coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604241.7U CN204881776U (en) | 2015-08-12 | 2015-08-12 | Adopt sonar method to carry out liquid liquid level detection's circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520604241.7U CN204881776U (en) | 2015-08-12 | 2015-08-12 | Adopt sonar method to carry out liquid liquid level detection's circuit |
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| CN204881776U true CN204881776U (en) | 2015-12-16 |
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| CN201520604241.7U Expired - Fee Related CN204881776U (en) | 2015-08-12 | 2015-08-12 | Adopt sonar method to carry out liquid liquid level detection's circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067083A (en) * | 2015-08-12 | 2015-11-18 | 成都易思科科技有限公司 | Circuit for conducting liquid level detection through sonar method |
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2015
- 2015-08-12 CN CN201520604241.7U patent/CN204881776U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067083A (en) * | 2015-08-12 | 2015-11-18 | 成都易思科科技有限公司 | Circuit for conducting liquid level detection through sonar method |
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| 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: 20151216 Termination date: 20160812 |