CN105812490A - Liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging - Google Patents
Liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging Download PDFInfo
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- CN105812490A CN105812490A CN201610308443.6A CN201610308443A CN105812490A CN 105812490 A CN105812490 A CN 105812490A CN 201610308443 A CN201610308443 A CN 201610308443A CN 105812490 A CN105812490 A CN 105812490A
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- liquid level
- ultrasonic
- network
- monitoring method
- system based
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Alarm Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging. According to the system, an ARM processor platform and an upper computer (such as a notebook computer) are connected by a Wi-Fi network, and a liquid level is monitored by the upper computer. The monitoring system comprises an ARM processor module, an LED display, an alarm, an ultrasonic transmitter module, an ultrasonic receiver module, a wireless network adapter, the accessible Wi-Fi network and the upper machine. The ARM processor module is mainly composed of an S3C2440 microprocessor, an SDRAM memory, an NAND FLASH memory, a USB interface, a JTAG interface, a reset circuit, a power supply circuit, an RS485 driver and a 9-pin D-shaped serial interface. The upper machine comprises a computer or a mobile phone capable of being connected with the Wi-Fi network. According to the method and the system, related personnel can monitor the liquid level wirelessly without being on the site. The method and the system are simple and convenient and are high in practicability.
Description
Technical field
The present invention relates to radio detection control field, particularly relate to a kind of based on Wi-Fi with the liquid level monitoring side of ultrasonic ranging
Method and system.
Background technology
The detection of liquid level controls to be problem common in industrial processes, but for infiltration as perishable in petrochemical industry, easy
Liquid, the highly acidity in process of factory production, high alkalinity industrial wastewater, or even the Level Detection of volatile toxic liquid, pass
The contact level gauging instrument of system is obvious and inapplicable.Further, liquid level can not be entered by traditional monitoring system anywhere or anytime
Row monitoring.
Patent of the present invention, discloses a kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging.This system is passed through
The contactless measurement liquid level of the principle of ultrasonic ranging overcomes the deficiency of conventional contact level gauging instrument；Meanwhile, this is
System is processed and is automatically controlled by result water inlet and goes out also by arm processor module to ultrasonic sensor signal
The closedown of the motor at the mouth of a river, unlatching, the regulation of valve size, thus control liquid level.Most important function is, this system
By plugging wireless network card in arm processor module, accessing Wi-Fi, plant operation personnel just can pass through smart mobile phone, put down
Plate computer or notebook computer connect Wi-Fi network and realize the wireless monitor to liquid level.
Summary of the invention
It is an object of the invention to by non-contact type ultrasonic sensor detection liquid level and control institute's carry by arm processor module
Equipment so reach control liquid level effect；And by Wi-Fi network by arm processor platform and host computer (such as notebook electricity
Brain) couple together, realize the monitoring to liquid level by host computer.Utilize this based on Wi-Fi and the liquid level monitoring of ultrasonic ranging
System, operator just can connect Wi-Fi network with smart mobile phone, panel computer or notebook computer thus reach wireless inspection
Survey the purpose of liquid level.
For solving the problems referred to above, the present invention is achieved through the following technical solutions: a kind of based on Wi-Fi and ultrasonic ranging
Liquid level monitoring method and system, including: arm processor module, wireless network card, accessible Wi-Fi network, host computer,
Ultrasonic emitting head, ultrasound wave receive head, light-emitting diode display and alarm；Wherein arm processor module respectively with wireless network card,
Ultrasonic emitting head, ultrasound wave receive head, light-emitting diode display and alarm and are electrically connected；Wireless network card and Wi-Fi network
Carry out wireless connections；Wi-Fi network and host computer carry out wireless connections.
Described arm processor module uses the module that S3C2440 microprocessor is core that Samsung produces；Wherein should
Arm processor module is mainly by S3C2440 microprocessor, power circuit, reset circuit, SDRAM memory, NAND FLASH
Memorizer, jtag interface, USB interface, RS485 driver and 9 pin D-shaped serial line interfaces composition.
The peripheral non-controlling equipment of described system also has analog line driver, water inlet, water inlet motor, outlet and outlet electricity
Machine.
Described wireless network card uses the EP-N8508GS high-speed radio network interface card based on 802.11n of accessible Wi-Fi network,
Arm processor platform can be accessed Wi-Fi network by this network interface card, and then interconnects with host computer.
Described host computer is to connect the notebook computer of wireless Wi-Fi network, panel computer or mobile phone, and host computer can lead to
Cross corresponding user interface and carry out the policer operation of liquid level.
Described ultrasonic emitting head, ultrasound wave receive head and use TELESKY HC-SR04 ultrasonic integration module, and
Module is fixed on and processes the surface of liquid pool and launch and received ultrasonic signal, then signal data is passed to arm processor
Platform carries out computational analysis.
Described light-emitting diode display uses all moral profit DDLP10 models, and liquid level data is shown on light-emitting diode display.
Described alarm uses model BF-01TA high-power acousto-optic integrated burglar alarm；Alarm is responsible for sending corresponding report
Warning and prompt tone, warning lamp can make blinking action of reporting to the police accordingly, and the liquid level arrived when system monitoring exceeds high level warning line or low
When minimum liquid level warning line, alarm can send alarm sound flashing warning light automatically.
Analog line driver uses Ai Si and controls AQMD6010BLS analog line driver, and water inlet motor and outlet motor all use
Be OPG company 6IK250RGN-CF drive motor.
Described a kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging, it is characterised in that: with smart mobile phone or
Notebook computer accesses Wi-Fi network as host computer, simultaneously embedded on ARM platform radio network gateway can by based on
The EP-N8508GS high speed wireless net card of 802.11n is connected in Wi-Fi network, can realize by mobile phone or notebook computer
On Web browser enter monitoring interface thus level monitoring.
It is an advantage of the current invention that:
1) present invention can access level monitoring under Wi-Fi environment by host computer, effectively expand monitoring motility and away from
From, make industrial processes more flexible, various, more convenient to operate, hommization.
2) it is interface control system by the Web browser in host computer, easily industrial level processing procedure is carried out wireless reality
Time monitoring and management, this is also the inexorable trend of wireless network industry application development, complied with industrial automation development trend,
Be conducive to further genralrlization.
3) should implement fairly simple based on Wi-Fi and the level monitoring system of ultrasonic ranging and method thereof, the most ultrasonic
Ripple ranging technology is mature and stable, and Wi-Fi network is simply prone to build, cover extensively, therefore the industrial resources that this system takies is few,
Effect is substantially readily put into again use.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with the present invention is more fully understood from, this
Other purpose and the result of invention will be more apparent and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging of the present invention；
Fig. 2 is the structural representation of arm processor module in the present invention；
Fig. 3 is the overall distribution structure chart of a kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging of the present invention.
Wherein: 1.ARM processor module, 2. wireless network card, 3.Wi-Fi network, 4. host computer (such as panel computer), the most ultrasonic
Ripple emitting head, 6. ultrasound wave reception head, 7.LED display, 8. alarm, 9.S3C2440 microprocessor, 10. power circuit,
11. reset circuits, 12.SDRAM memorizer, 13.NAND FLASH memory, 14.JTAG interface, 15.USB interface, 16.RS485
Driver, 17.9 pin D-shaped serial line interfaces, 18 and 19. analog line drivers, 20. water inlets, 21. water inlet motors, 22 water outlets
Mouthful, 23. outlet motors.
Specific embodiments
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment is only used for
Explain the present invention, be not intended that limiting the scope of the present invention.
Structured flowchart is as it is shown in figure 1, a kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging include: based on
Arm processor module 1, wireless network card 2, Wi-Fi network 3, host computer 4 (such as panel computer), ultrasonic emitting 5 is super
Acoustic receiver head 6, light-emitting diode display 7 and alarm 8, wherein host computer includes computer or the mobile phone that can connect Wi-Fi network.
Structured flowchart, as in figure 2 it is shown, arm processor module is mainly by S3C2440 microprocessor 8, power circuit 10, resets
Circuit 11, SDRAM memory 12, NAND FLASH memory 13, jtag interface 14, usb 15, RS485 drives
Device 16,9 pin D-shaped serial line interfaces 17 form.
Structured flowchart is as it is shown on figure 3, the entirety for a kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging is divided
Cloth structure chart, in addition to the level monitoring system agent structure based on Wi-Fi and ultrasonic ranging gone out given in Fig. 1, returns
Go out corresponding ancillary equipment structured flowchart；Including analog line driver 18 and 19, water inlet motor 21 and outlet motor 23,
Water inlet 20, outlet 22 also have industrial liquid pond.
The use step of a kind of based on Wi-Fi and ultrasonic ranging liquid level monitoring method and system from the above mentioned is as follows:
A). system electrification is started working, and starts systemic-function；
B). in host computer, open Web browser, log in monitoring interface；
C). in login interface Monitoring and Controlling level condition.
D). after liquid level exceedes or is less than the highest or minimum liquid level set, illustrate that liquid level regulation and control are unbalance or even this system may go out
Existing fault, this alarm blinking light of i.e. blowing a whistle immediately carries out alarm.
By concrete transmission principle described above with program process it is: access using smart mobile phone or notebook computer as host computer 4
Wi-Fi network 3, simultaneously embedded on ARM platform 1 radio network gateway can by EP-N8508GS based on 802.11n at a high speed
Wireless network card 2 is connected in Wi-Fi network, can realize entering monitoring by the Web browser on mobile phone or notebook computer
Interface thus level monitoring.
Further process is: arm processor platform 1 controls ultrasonic emitting 5 and launches ultrasonic signal, and by ultrasound wave
Receiving a 6 reception signal, signal data time difference calculating is processed and draws liquid level by arm processor platform 1.
Further process is: wireless network card 2 passes through wireless network embedded on arm processor platform 1 after receiving wireless signal
Close module to carry out unpacking packetizing protocol conversion and then passing data to host computer 4.
Further process is: signal data time difference calculating is processed and draws liquid level by arm processor platform 1, and by number
Light-emitting diode display 7, alarm 8 is passed to according to result.
Further process is: the liquid level data of transmission are converted into into Arabic notation and show by LED display 4
On screen；If liquid altitude information exceedes the highest warning line or less than minimum warning line, alarm 8 i.e. can be blown a whistle immediately
Blinking light carries out alarm.
Further process is: data are amplified processing by analog line driver 18 and 19 respectively, and are converted into motor-driven
Signal, and then be driven into mouth of a river motor 21 and outlet motor 23 respectively and control the rotating speed of motor.
Further process is: water inlet motor 21 and outlet motor 23 pass through the rotating speed size of motor and then control water inlet
20 and the water yield of outlet 22 and enter the size of the water yield.
Further process is: water inlet 20 and outlet 22 are by changing water yield and entering the size of the water yield and then finally realize
Control to liquid level.
On whole level monitoring system, the control equipment of carry and ultrasonic sensor can be real-time by running state data transmission and show
Showing on the control interface of host computer, the equipment that can realize has communicating of feedback with the duplex controlling interface.By wireless operation
Mode can well break away from traditional monitoring constraint, as long as management personnel just can be to the equipment of production in the place having wireless network
Situation is monitored and manages, and enhances the motility of operation greatly.
Claims (8)
1. liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging, it is characterised in that: include arm processor module
(1), wireless network card (2), accessible Wi-Fi network (3), host computer (4), ultrasonic emitting head (5), ultrasound wave
Receive head (6), light-emitting diode display (7), alarm (8)；Wherein arm processor module (1) respectively with wireless network card (2),
Ultrasonic emitting head (5), ultrasound wave receive head (6), light-emitting diode display (7) and alarm (8) and are electrically connected；Wireless
Network interface card (2) and Wi-Fi network (3) carry out wireless connections；Wi-Fi network (3) and host computer (4) carry out wireless connections.
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, it is characterised in that:
Described arm processor module (1) uses the module that S3C2440 microprocessor is core that Samsung produces；Wherein should
Arm processor module is mainly by S3C2440 microprocessor (9), power circuit (10), reset circuit (11), SDRAM memory
(12), NAND FLASH memory (13), jtag interface (14), USB interface (15), RS485 driver (16) and 9
Pin D-shaped serial line interface (17) forms.
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, it is characterised in that:
The peripheral non-controlling equipment of described system also have analog line driver (18) and (19), water inlet (20), water inlet motor (21),
Outlet (22) and outlet motor (23).
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, it is characterised in that:
Described wireless network card (2) uses the EP-N8508GS high-speed radio network interface card based on 802.11n of accessible Wi-Fi network；
Described host computer (4) is to connect the notebook computer of wireless Wi-Fi network, panel computer or mobile phone.
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, it is characterised in that:
Described ultrasonic emitting head (5), ultrasound wave receive head (6) and use TELESKY HC-SR04 ultrasonic integration module,
And module is fixed on and processes the surface of liquid pool and launch and received ultrasonic signal.
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, it is characterised in that:
Described light-emitting diode display (7) uses all moral profit DDLP10 models to show liquid level data；Alarm (8) uses type
Number BF-01TA high-power acousto-optic integrated burglar alarm.
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, it is characterised in that:
Analog line driver (18) and (19) use Ai Si and control AQMD6010BLS analog line driver；Water inlet motor (8) and going out
Mouth of a river motor (13) all uses OPG company 6IK250RGN-CF and drives motor.
A kind of liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging the most according to claim 1, use step such as
Under:
A). system electrification is started working, and starts systemic-function；
B). in host computer, open Web browser, log in monitoring interface；
C). in login interface Monitoring and Controlling level condition；
D). after liquid level exceedes or is less than the highest or minimum liquid level set, illustrate that liquid level regulation and control are unbalance or even this system may go out
Existing fault, this alarm blinking light of i.e. blowing a whistle immediately carries out alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308443.6A CN105812490A (en) | 2016-05-11 | 2016-05-11 | Liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308443.6A CN105812490A (en) | 2016-05-11 | 2016-05-11 | Liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging |
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| CN105812490A true CN105812490A (en) | 2016-07-27 |
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| CN201610308443.6A Pending CN105812490A (en) | 2016-05-11 | 2016-05-11 | Liquid level monitoring method and system based on Wi-Fi and ultrasonic ranging |
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Citations (4)
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|---|---|---|---|---|
| CN201438125U (en) * | 2009-07-27 | 2010-04-14 | 北京新创三明科技有限公司 | Automatic liquid level monitoring system |
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| CN202018316U (en) * | 2011-02-15 | 2011-10-26 | 长江南京航道局 | Intelligent water level remote measurement terminal system based on embedded microprocessor |
| CN103344304A (en) * | 2013-06-28 | 2013-10-09 | 成都汉康信息产业有限公司 | Remote measuring type water level monitoring terminal provided with double transmitting modules |
-
2016
- 2016-05-11 CN CN201610308443.6A patent/CN105812490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438125U (en) * | 2009-07-27 | 2010-04-14 | 北京新创三明科技有限公司 | Automatic liquid level monitoring system |
| CN102095474A (en) * | 2011-02-15 | 2011-06-15 | 长江南京航道局 | Intelligent water level telemetering terminal system based on embedded microprocessor |
| CN202018316U (en) * | 2011-02-15 | 2011-10-26 | 长江南京航道局 | Intelligent water level remote measurement terminal system based on embedded microprocessor |
| CN103344304A (en) * | 2013-06-28 | 2013-10-09 | 成都汉康信息产业有限公司 | Remote measuring type water level monitoring terminal provided with double transmitting modules |
Non-Patent Citations (1)
| Title |
|---|
| 张纪元: ""基于ARM的水文遥测平台超声波测距报警系统研究"", 《中国优秀硕士学位论文全文数据库》 * |
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Application publication date: 20160727 |