CN203069237U - Wireless ultrasonic level gauge - Google Patents

Wireless ultrasonic level gauge Download PDF

Info

Publication number
CN203069237U
CN203069237U CN 201320073367 CN201320073367U CN203069237U CN 203069237 U CN203069237 U CN 203069237U CN 201320073367 CN201320073367 CN 201320073367 CN 201320073367 U CN201320073367 U CN 201320073367U CN 203069237 U CN203069237 U CN 203069237U
Authority
CN
China
Prior art keywords
module
wireless
circuit
microprocessor
level gauge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201320073367
Other languages
Chinese (zh)
Inventor
卢超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi University of Technology
Original Assignee
Shaanxi University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi University of Technology filed Critical Shaanxi University of Technology
Priority to CN 201320073367 priority Critical patent/CN203069237U/en
Application granted granted Critical
Publication of CN203069237U publication Critical patent/CN203069237U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a wireless ultrasonic level gauge which comprises a signal detecting and transmitting module and a signal receiving and processing module, wherein the signal detecting and transmitting module comprises a first microprocessor, an ultrasonic probe, a power amplitude value amplifying circuit, an impulse generating circuit, an amplifying circuit, a filter circuit, an A/D conversion circuit, a temperature collection circuit and a wireless transmission module; the temperature collection circuit and the wireless transmission module are both connected with the first microprocessor; the first microprocessor controls the impulse generating circuit to generate a signal; the power amplitude value amplifying circuit is connected with the ultrasonic probe; the ultrasonic probe sends out an echo signal and is connected with the first microprocessor through the amplifying circuit, the filter circuit and the A/D conversion circuit; the signal receiving and processing module comprises a second microprocessor, a wireless receiving module, a USB interface, a button module, a display module, an alarming module and a memory module; and the wireless receiving module, the button module, the display module, the alarming module and the memory module are all connected with the second microprocessor. The wireless ultrasonic level gauge is novel in design, has powerful functions, can implement real-time liquid level measurement, is good in mobility owing to wireless communication between the wireless transmission module and the wireless receive module, and has application and popularization values.

Description

The wireless ultrasonic liquid level gauge
Technical field:
The utility model relates to liquid level gauge, is a kind of wireless ultrasonic liquid level gauge specifically.
Background technology:
Level gauging is widely used in industrial processes, and present level measuring method has had multiple, such as utilizing hand gauging, glass tube, float-type, capacitance method, ultrasound wave, radar, optical fiber to wait to measure liquid level.Need in the practical application liquid level in the closed container is accurately measured, because these liquid generally all are explosive, volatile, deep-etching and toxic liquid, detect for traditional contact liquid level and bring certain difficulty, realize contactless, intelligent, high precision, low-power consumption is the developing direction of liquid level gauge, because hyperacoustic speed is compared with the light velocity and is much smaller, the travel-time ratio is easier to detect, and be easy to directional transmissions, good directionality, intensity is controlled well, solved pressure unit, condenser type, the winding that metering systems such as float-type bring, reveal, contact medium, safeguard troubles such as costliness, remarkable advantages and vast potential for future development are arranged.
Design a kind of cheap, easy to use and measure ultrasonic level gage accurately, simultaneously wireless communication technology is applied in the measurement, also can information import computer into, the analysis software of recycling PC is monitored in real time, is analyzed and handle it, show the liquid level curve, this liquid level gauge is easy and simple to handle, reliable, is very significant, also be current testing tool at a high speed, an important directions of convenient, web development.
Summary of the invention:
The technical problems to be solved in the utility model is: a kind of wireless ultrasonic liquid level gauge is provided, can carries out real-time automatic monitoring to the liquid level situation of change.
To achieve these goals, the technical solution adopted in the utility model is: the wireless ultrasonic liquid level gauge, comprise input sending module and signal receiving processing module, the input sending module comprises first microprocessor, ultrasonic probe, the power magnitude amplifying circuit, pulse-generating circuit, amplifying circuit, filtering circuit, the A/D change-over circuit, temperature collection circuit and wireless transmitter module, described temperature collection circuit all links to each other with first microprocessor with wireless transmitter module, after the first microprocessor gating pulse produces circuit generation signal, be connected with ultrasonic probe through the power magnitude amplifying circuit, ultrasonic probe sends echoed signal through amplifying circuit, filtering circuit, be connected with first microprocessor behind the A/D change-over circuit, the signal receiving processing module comprises second microprocessor, wireless receiving module, USB interface, key-press module, display module, alarm module and memory module, wireless receiving module, key-press module, display module, alarm module all links to each other with second microprocessor with memory module, and second microprocessor is connected with PC by USB interface.
As preferably, ultrasonic probe is piezoelectric ceramics integral type ultrasonic sensor.
As preferably, temperature collection circuit is digital temperature sensor, plays temperature compensation function.
As preferably, alarm module is phonetic alarm.
As preferably, display module is LCD display.
As preferably, wireless transmitter module and wireless receiving module be complementary and between wireless telecommunications.
Compared with prior art, advantage of the present utility model is: modern design, and powerful, can measure liquid level in real time, wireless telecommunications between wireless transmitter module and the wireless receiving module, movability is good, has application and popularization value.
Description of drawings:
Fig. 1 is input sending module structural representation of the present utility model;
Fig. 2 is signal receiving processing module structural representation of the present utility model.
Embodiment:
Below in conjunction with drawings and Examples the utility model is further specified.Present embodiment only is the description to the utility model embodiment, scope of the present utility model is not had any restriction.
The utility model comprises input sending module and signal receiving processing module, the input sending module comprises first microprocessor, ultrasonic probe, the power magnitude amplifying circuit, pulse-generating circuit, amplifying circuit, filtering circuit, the A/D change-over circuit, temperature collection circuit and wireless transmitter module, described temperature collection circuit all links to each other with first microprocessor with wireless transmitter module, after the first microprocessor gating pulse produces circuit generation signal, be connected with ultrasonic probe through the power magnitude amplifying circuit, ultrasonic probe sends echoed signal through amplifying circuit, filtering circuit, be connected with first microprocessor behind the A/D change-over circuit, the signal receiving processing module comprises second microprocessor, wireless receiving module, USB interface, key-press module, display module, alarm module and memory module, wireless receiving module, key-press module, display module, alarm module all links to each other with second microprocessor with memory module, and second microprocessor is connected with PC by USB interface.Ultrasonic probe is piezoelectric ceramics integral type ultrasonic sensor.Temperature collection circuit is digital temperature sensor, plays temperature compensation function.Alarm module is phonetic alarm.Display module is LCD display.Wireless transmitter module and wireless receiving module be complementary and between wireless telecommunications.
Preferably, described microprocessor is selected the STC89C52 single-chip microcomputer for use, described ultrasonic probe is water proof type piezoelectric ceramics integral type ultrasonic sensor TCF40-18TR1, described A/D change-over circuit is selected the ADS930 modulus conversion chip for use, described temperature collection circuit is selected digital temperature sensor DS18B20 for use, described alarm module is selected the ISD1420 speech chip for use, described memory module adopts the AT24C04 chip, described USB interface is selected the CH375 chip for use, described wireless transmitter module and wireless receiving module are selected the NRF2401 chip for use, and described display module is selected the LCD1602 LCD for use.
During use, ultrasonic probe is installed in liquid level top, with liquid level over against.Behind the system initialization, the pulse signal that is produced by first microprocessor is after power magnitude is amplified, the excitation ultrasonic probe produces the ultrasound wave of high frequency, ultrasound wave passes to liquid level through media, the part ultrasonic energy is reflected back toward ultrasonic probe, transmit and together amplify in the entering signal receiving system with echoed signal, after filtering is handled, convert digital signal to through A/D and send into first microprocessor, first microprocessor is handled, calculate, conversion, and the temperature of consideration temperature collection circuit measurement, carry out temperature compensation, be sent to the second microprocessor stores data of signal receiving processing module then by wireless transmitter module, and measurement data is sent into liquid crystal show, simultaneously the highest liquid level of data and key-press module input, minimum liquid level calculates and compares, if not in scope, then starts audio alert, simultaneously can utilize USB interface to connect upper PC, draw the real-time and historical squiggle of liquid level by the software of writing.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, herein defined General Principle can the situation in not breaking away from spirit or scope of the present utility model under, realize in other embodiments.Therefore, the utility model will can not be limited to these embodiment shown in this article, but will accord with principle disclosed herein and features of novelty the wideest consistent scope.

Claims (6)

1. wireless ultrasonic liquid level gauge, comprise input sending module and signal receiving processing module, described input sending module comprises first microprocessor, ultrasonic probe, the power magnitude amplifying circuit, pulse-generating circuit, amplifying circuit, filtering circuit, the A/D change-over circuit, temperature collection circuit and wireless transmitter module, described temperature collection circuit all links to each other with first microprocessor with wireless transmitter module, after the first microprocessor gating pulse produces circuit generation signal, be connected with ultrasonic probe through the power magnitude amplifying circuit, ultrasonic probe sends echoed signal through amplifying circuit, filtering circuit, be connected with first microprocessor behind the A/D change-over circuit, described signal receiving processing module comprises second microprocessor, wireless receiving module, USB interface, key-press module, display module, alarm module and memory module, described wireless receiving module, key-press module, display module, alarm module all links to each other with second microprocessor with memory module, and second microprocessor is connected with PC by USB interface.
2. wireless ultrasonic liquid level gauge according to claim 1, it is characterized in that: described ultrasonic probe is piezoelectric ceramics integral type ultrasonic sensor.
3. wireless ultrasonic liquid level gauge according to claim 1, it is characterized in that: described temperature collection circuit is digital temperature sensor, plays temperature compensation function.
4. wireless ultrasonic liquid level gauge according to claim 1, it is characterized in that: described alarm module is phonetic alarm.
5. wireless ultrasonic liquid level gauge according to claim 1, it is characterized in that: described display module is LCD display.
6. wireless ultrasonic liquid level gauge according to claim 1 is characterized in that: described wireless transmitter module and wireless receiving module be complementary and between wireless telecommunications.
CN 201320073367 2013-02-06 2013-02-06 Wireless ultrasonic level gauge Expired - Fee Related CN203069237U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320073367 CN203069237U (en) 2013-02-06 2013-02-06 Wireless ultrasonic level gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320073367 CN203069237U (en) 2013-02-06 2013-02-06 Wireless ultrasonic level gauge

Publications (1)

Publication Number Publication Date
CN203069237U true CN203069237U (en) 2013-07-17

Family

ID=48768013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320073367 Expired - Fee Related CN203069237U (en) 2013-02-06 2013-02-06 Wireless ultrasonic level gauge

Country Status (1)

Country Link
CN (1) CN203069237U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575330A (en) * 2013-10-09 2014-02-12 无锡锐泰节能系统科学有限公司 Multi-parameter ultrasonic wave fluid tester and use method thereof
CN104165654A (en) * 2014-07-25 2014-11-26 长城信息产业股份有限公司 Liquid level detection and flow monitoring apparatus and method based on supersonic wave attenuation principle
CN105806448A (en) * 2015-01-03 2016-07-27 中山欧麦克仪器设备有限公司 Sludge interface instrument capable of achieving wireless output
CN106370270A (en) * 2016-11-07 2017-02-01 合肥同想信息技术有限公司 Portable intelligent ultrasonic water depth detection system
CN106441510A (en) * 2016-10-21 2017-02-22 窦朝海 Liquid level monitoring and alarming device based on ultrasonic distance measuring
CN107044870A (en) * 2017-05-12 2017-08-15 交通运输部天津水运工程科学研究所 A kind of multi-parameter portable warehousing and transportation facilities detector
CN107402055A (en) * 2017-09-07 2017-11-28 河南质量工程职业学院 A kind of external-placed type supersonic liquid level measuring system and method based on ARM

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575330A (en) * 2013-10-09 2014-02-12 无锡锐泰节能系统科学有限公司 Multi-parameter ultrasonic wave fluid tester and use method thereof
CN104165654A (en) * 2014-07-25 2014-11-26 长城信息产业股份有限公司 Liquid level detection and flow monitoring apparatus and method based on supersonic wave attenuation principle
CN104165654B (en) * 2014-07-25 2017-04-19 长城信息产业股份有限公司 Liquid level detection and flow monitoring apparatus and method based on supersonic wave attenuation principle
CN105806448A (en) * 2015-01-03 2016-07-27 中山欧麦克仪器设备有限公司 Sludge interface instrument capable of achieving wireless output
CN106441510A (en) * 2016-10-21 2017-02-22 窦朝海 Liquid level monitoring and alarming device based on ultrasonic distance measuring
CN106370270A (en) * 2016-11-07 2017-02-01 合肥同想信息技术有限公司 Portable intelligent ultrasonic water depth detection system
CN107044870A (en) * 2017-05-12 2017-08-15 交通运输部天津水运工程科学研究所 A kind of multi-parameter portable warehousing and transportation facilities detector
CN107402055A (en) * 2017-09-07 2017-11-28 河南质量工程职业学院 A kind of external-placed type supersonic liquid level measuring system and method based on ARM

Similar Documents

Publication Publication Date Title
CN203069237U (en) Wireless ultrasonic level gauge
CN203732133U (en) GSM (Global System for Mobile) alarm based ultrasonic liquid level measurement system
CN207440288U (en) SCM Based intelligent Ultrasonic Distance-measuring System
CN207180630U (en) A kind of Ultrasonic Intelligent measuring thickness device
CN103018482A (en) Device and method for detecting mining intelligent roadway based on wind speed time difference
CN203688038U (en) Distributed wireless ultrasonic liquid level measurement instrument
CN103591975A (en) Ultrasonic wave sensor index detection method and device
CN201622097U (en) Ultrasonic gasoline tank oil level sensor
CN2618151Y (en) Intelligent supersonic level sensor
CN203069223U (en) Synchronous phase code time difference detection device for ultrasonic flowmeter
CN104266721A (en) Integrated ultrasonic liquid indicator
CN201527287U (en) Ultrasonic open channel flowmeter
CN108871697B (en) Gas leakage detection device with all-fiber structure
CN202869605U (en) FM pulse echo method based ultrasonic liquid level measuring device
CN213274472U (en) Ultrasonic liquid level meter with inclination angle detection function
CN205843765U (en) A kind of sensor-based liquid level measuring system
CN201408046Y (en) Infrared remote control ultrasonic material level meter
CN206002171U (en) A kind of Ultrasonic Level Transmitter
CN204679522U (en) A kind of in large space to the device that air-flow velocity is measured
CN2914112Y (en) Axial displacement detecting device of hydroelectric generating set
CN114791512A (en) Wind measuring sensor based on acoustic wave resonance principle
CN203705298U (en) Ultrasonic specific gravity measuring equipment
CN202083707U (en) Device based on phase difference method to measure ultrasonic wind speed and wind direction
CN203054000U (en) Wireless supersonic wave wind speed measuring system
CN106932779A (en) Portable ultrasound ripple snow depth measurement apparatus and measuring method

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20140206