CN203732133U - GSM (Global System for Mobile) alarm based ultrasonic liquid level measurement system - Google Patents
GSM (Global System for Mobile) alarm based ultrasonic liquid level measurement system Download PDFInfo
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- CN203732133U CN203732133U CN201420064751.5U CN201420064751U CN203732133U CN 203732133 U CN203732133 U CN 203732133U CN 201420064751 U CN201420064751 U CN 201420064751U CN 203732133 U CN203732133 U CN 203732133U
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- module
- gsm
- liquid level
- microcontroller
- alarm
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- 239000007788 liquids Substances 0.000 title claims abstract description 30
- 230000001702 transmitter Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- 239000000919 ceramics Substances 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000006243 chemical reactions Methods 0.000 description 2
- 239000011901 water Substances 0.000 description 2
- 230000002159 abnormal effects Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003365 glass fibers Substances 0.000 description 1
- 239000011521 glasses Substances 0.000 description 1
- 239000004973 liquid crystal related substances Substances 0.000 description 1
- 239000011344 liquid materials Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 239000011343 solid materials Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
Description
Technical field
The utility model relates to liquid level measuring system, is a kind of ultrasonic liquid level measuring system of reporting to the police based on GSM specifically.
Background technology
Level gauging is widely used in industrial processes, measuring method has had multiple, for example hand gauging, glass tube, float-type, capacitance method, ultrasound wave, radar, optical fiber etc., wherein ultrasonic liquid level measuring is a kind of non-contact type measuring method by microprocessor control, because hyperacoustic speed is much smaller compared with the light velocity, travel-time ratio is easier to detect, and be easy to directional transmissions, good directionality, intensity is controlled well, solve pressure unit, condenser type, the winding that the metering systems such as float-type bring, reveal, contact medium, safeguard the troubles such as expensive, there are obvious advantage and vast potential for future development, can be widely used in the measurement of various liquid and solid material height.
Design is a kind of easy to use and measure ultrasonic liquid level measuring system accurately, to collect liquid level information and import computer into, utilize PC that it is monitored in real time, analyzed and processes, show liquid level curve, in the time that liquid level is abnormal, send warning message by means of GSM network, this monitoring device convenient management, easy and simple to handle, reliable simultaneously, very significant, be also 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 ultrasonic liquid level measuring system of reporting to the police based on GSM is provided, can carries out real-time automatic monitoring to liquid level situation of change, and SMS alarm is provided.
To achieve these goals, the technical solution adopted in the utility model is: the ultrasonic liquid level measuring system of reporting to the police based on GSM, comprise signal detection module and signal processing module, and signal detection module comprises the first microcontroller, ultrasonic probe, power magnitude amplifying circuit, pulse-generating circuit, amplifying circuit, filtering circuit, A/D converter, temperature-measuring module and wireless transmitter module, temperature-measuring module is all connected with the first microcontroller with wireless transmitter module, the first microprocessor controls pulse-generating circuit produces after signal, be connected with ultrasonic probe through power magnitude amplifying circuit, ultrasonic probe sends echoed signal through amplifying circuit, filtering circuit, after A/D converter, be connected with the first microcontroller, signal processing module comprises the second microcontroller, wireless receiving module, USB interface, key-press module, display module, alarm module, memory module and gsm module, wireless receiving module, key-press module, display module, alarm module, memory module is all connected with the second microcontroller with gsm module, and the second microcontroller is connected with PC by USB interface.
As preferably, ultrasonic probe is piezoelectric ceramics integral type ultrasonic sensor.
As preferably, temperature-measuring module is digital temperature sensor.
As preferably, alarm module is phonetic alarm.
As preferably, wireless transmitter module and wireless receiving module match and between wireless telecommunications.
Compared with prior art, the utility model has the advantage of: modern design, easy and simple to handle, good portability, can measure liquid level in real time, wireless telecommunications between wireless transmitter module and wireless receiving module, movability is good, utilizes GSM network, broad covered area simultaneously, almost there is no the restriction of distance, there is application and popularization value.
Brief description of the drawings
Fig. 1 is signal processing module structural representation of the present utility model;
Fig. 2 is signal detection module structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.The present embodiment is only the description to the utility model embodiment, scope of the present utility model is not had to any restriction.
The utility model comprises signal detection module and signal processing module, and signal detection module comprises the first microcontroller, ultrasonic probe, power magnitude amplifying circuit, pulse-generating circuit, amplifying circuit, filtering circuit, A/D converter, temperature-measuring module and wireless transmitter module, temperature-measuring module is all connected with the first microcontroller with wireless transmitter module, the first microprocessor controls pulse-generating circuit produces after signal, be connected with ultrasonic probe through power magnitude amplifying circuit, ultrasonic probe sends echoed signal through amplifying circuit, filtering circuit, after A/D converter, be connected with the first microcontroller, signal processing module comprises the second microcontroller, wireless receiving module, USB interface, key-press module, display module, alarm module, memory module and gsm module, wireless receiving module, key-press module, display module, alarm module, memory module is all connected with the second microcontroller with gsm module, and the second microcontroller is connected with PC by USB interface.As preferably, ultrasonic probe is piezoelectric ceramics integral type ultrasonic sensor.Temperature-measuring module is digital temperature sensor.Alarm module is phonetic alarm.Wireless transmitter module and wireless receiving module match and between wireless telecommunications.
Preferably, described microcontroller is selected AT89C52 single-chip microcomputer or STC89C52 single-chip microcomputer, described ultrasonic probe is water proof type piezoelectric ceramics integral type ultrasonic sensor TCF40-18TR1, described A/D converter is selected ADS930 modulus conversion chip, described temperature-measuring module is selected digital temperature sensor DS18B20, described gsm module adopts TC35i module, described alarm module is selected ISD1420 speech chip, described memory module adopts AT24C04 chip, described USB interface is selected CH375 chip, described wireless transmitter module and wireless receiving module are selected NRF2401 chip, described display module is selected LCD1602 liquid crystal display.
While use first, ultrasonic probe is arranged on to liquid level top, just right with liquid level, after system initialization, the pulse signal that produces circuit generation by the first microcontroller driving pulse is after power magnitude is amplified, excitation ultrasonic probe produces the ultrasound wave of high frequency, ultrasound wave passes to liquid level through medium, part ultrasonic energy is reflected back toward ultrasonic probe, transmit and together in entering signal receiving system, amplify with echoed signal, after filtering is processed, convert digital signal to through A/D converter and send into the first microcontroller, the first microcontroller is processed, calculate, conversion, and consider temperature-measuring module measure temperature, carry out temperature compensation, then be sent to the second microcontroller storage data of signal processing module by wireless transmitter module, and measurement data is sent into display module show, simultaneously the liquid level of data and key-press module input, the highest liquid level, minimum liquid level calculates and compares, if not in scope, start audio alert, utilize GSM network to send SMS alarm to user simultaneously, if user wonders current water level situation simultaneously, can send by SMS the Query Information of agreement, then the liquid level data of measuring is replied by note, also can utilize USB interface to connect upper PC simultaneously, in PC, draw the real-time and historical squiggle of liquid level.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, 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 widest consistent scope.
Claims (5)
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CN201420064751.5U CN203732133U (en) | 2014-02-13 | 2014-02-13 | GSM (Global System for Mobile) alarm based ultrasonic liquid level measurement system |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104897245A (en) * | 2015-06-04 | 2015-09-09 | 华北水利水电大学 | Zigbee-based multi-point acquisition self-correction water level detector and measuring method |
CN104990614A (en) * | 2015-07-27 | 2015-10-21 | 镇江天空机器人技术有限公司 | Canning drinking liquid level ultrasonic wave detection apparatus and detection method |
CN105043506A (en) * | 2015-06-02 | 2015-11-11 | 林聪� | Ultrasonic oil conservator oil level detector for power transformer |
CN106323414A (en) * | 2016-08-30 | 2017-01-11 | 成都万江港利科技股份有限公司 | Water level monitoring and prewarning device suitable for urban inland inundation monitoring |
CN106327804A (en) * | 2016-08-30 | 2017-01-11 | 成都万江港利科技股份有限公司 | Mountain torrent home-entry early-warning device suitable for villages and small towns and regions with the dense population |
CN106404105A (en) * | 2016-08-30 | 2017-02-15 | 成都万江港利科技股份有限公司 | Monitoring device for simultaneous measurement of water level and flow velocity |
CN108106686A (en) * | 2017-12-08 | 2018-06-01 | 广州粤华物业有限公司 | A kind of water level monitoring alarm system |
-
2014
- 2014-02-13 CN CN201420064751.5U patent/CN203732133U/en not_active IP Right Cessation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105043506A (en) * | 2015-06-02 | 2015-11-11 | 林聪� | Ultrasonic oil conservator oil level detector for power transformer |
CN104897245A (en) * | 2015-06-04 | 2015-09-09 | 华北水利水电大学 | Zigbee-based multi-point acquisition self-correction water level detector and measuring method |
CN104990614A (en) * | 2015-07-27 | 2015-10-21 | 镇江天空机器人技术有限公司 | Canning drinking liquid level ultrasonic wave detection apparatus and detection method |
CN106323414A (en) * | 2016-08-30 | 2017-01-11 | 成都万江港利科技股份有限公司 | Water level monitoring and prewarning device suitable for urban inland inundation monitoring |
CN106327804A (en) * | 2016-08-30 | 2017-01-11 | 成都万江港利科技股份有限公司 | Mountain torrent home-entry early-warning device suitable for villages and small towns and regions with the dense population |
CN106404105A (en) * | 2016-08-30 | 2017-02-15 | 成都万江港利科技股份有限公司 | Monitoring device for simultaneous measurement of water level and flow velocity |
CN108106686A (en) * | 2017-12-08 | 2018-06-01 | 广州粤华物业有限公司 | A kind of water level monitoring alarm system |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20150213 |