CN105892509A - Wireless intelligent liquid level monitor - Google Patents
Wireless intelligent liquid level monitor Download PDFInfo
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- CN105892509A CN105892509A CN201410725123.1A CN201410725123A CN105892509A CN 105892509 A CN105892509 A CN 105892509A CN 201410725123 A CN201410725123 A CN 201410725123A CN 105892509 A CN105892509 A CN 105892509A
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- liquid level
- chip microcomputer
- monitor
- level monitor
- intelligent wireless
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Abstract
The invention discloses a wireless intelligent liquid level monitor. The monitor comprises a liquid level sensor and a liquid level monitoring instrument. The liquid level monitoring instrument comprises a power supply module and a single chip microcomputer. The liquid level sensor is connected with the single chip microcomputer through an A/D conversion circuit. The single chip microcomputer is further connected to an FLASH memory, a GSM/GPRS wireless communication module and a relay driving circuit, wherein the GSM/GPRS wireless communication module is connected to an external antenna, and the relay driving circuit is connected with external liquid level control equipment. The liquid level monitor disclosed by the invention is provided with a friendly human-computer interface, and can carry out information interaction with a user computer and a mobile phone in real time, thereby realizing integration of management and control, and truly realizing unattended operations.
Description
Technical field
The present invention relates to a kind of monitor controller, particularly to a kind of intelligent wireless liquid level monitor.
Background technology
In daily life, mainly include following several in the occasion that the liquid level degree of depth is required: one, the liquid level of river, reservoir,
It is related to the safety of people's lives and properties, needs the situation according to liquid level change, in time relevant device is controlled, thus enters
Row water-retention and flood discharge；Two, deep-well intake equipment, needs according to the change of well water level, control in time intake equipment startup and
Shut down, prevent the too low water pump of liquid level to be emptied, initiating failure；Three, in the water supply system of community, often use pond or water tank is made
For water storage device, also serving as the water source of community feedwater, external water inlet pipe network, at pond or water tank, needs the liquid according to pond simultaneously
Position state, carries out valve opening moisturizing or pipe valve is cut off the water.Feed pump to community, be according to the fluid level condition in pond, if possess
Turn on pump condition, during the hydropenia of pond, should stop pump working, it is to avoid cause equipment idle running damage due to hydropenia at any time, because of
This grasps liquid level information in real time is very important.
At present, existing liquid level monitor mainly has following three kinds:
1, float switch formula liquid level monitor: function is simple, it is impossible to measure liquid level change continuously, can only arrange and simply switch position
Putting, control field apparatus, misoperation is more frequent.
2, liquid level sensor+numeral method instrument: use liquid level sensor and display instrument, liquid level change can be continuously displayed,
Indivedual instrument possess simple switch control functions.The control bit arranging switching value is loaded down with trivial details, and control unreliable.Do not possess wireless
Data sending function, liquid level is abnormal also cannot inform user, and user cannot obtain the real-time status of equipment and liquid level, it is necessary to existing
Field is checked, it is impossible to remotely control.
3, liquid level sensor+PLC: need gather liquid level sensor data by the hardware such as PLC and display screen and show, this technology
Scheme needs complicated PLC programming, and debugging sets loaded down with trivial details, and workload is big.If carried out remotely controlling, need to increase extra
Network access equipment, puts into height, and maintenance cost is high, requires the highest to user of service's technical merit.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of intelligent wireless liquid level monitor, to reach there is the man-machine of close friend
Interface, can in real time and user computer and mobile phone interaction information, it is achieved control integration, real accomplishes unattended purpose.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of intelligent wireless liquid level monitor, including liquid level sensor and liquid level monitoring instrument, described liquid level monitoring instrument includes electricity
Source module and single-chip microcomputer, power module powers to system components, and described liquid level sensor passes through A/D change-over circuit and single-chip microcomputer
Being connected, described single-chip microcomputer is also associated with FLASH memory, GSM/GPRS wireless communication module and relay drive circuit, described
GSM/GPRS wireless communication module connects exterior antenna, and described relay drive circuit is connected with outside level control device, passes through
The adhesive of relay or the switch of release control external equipment, and then control the change of liquid level.Liquid level sensor is placed in fluid to be measured
In, by measurement to liquid level be converted to the signal of telecommunication of correspondence, and pass to single-chip microcomputer by A/D change-over circuit；Single-chip microcomputer is by A/D
The digital signal that conversion comes processes, analytical calculation, and shows, and is controlled other each several parts；FLASH deposits
Reservoir arranges parameter for preserve system；GSM/GPRS wireless communication module is used for wireless data and the transmitting-receiving of note, Ke Yitong
Crossing mobile phone or computer carries out Wireless remote control, real accomplishes unmanned.
Further in technical scheme, described liquid level monitoring instrument is additionally provided with LCDs and keyboard, all with described single-chip microcomputer
It is connected, there is the human-computer interaction interface of close friend, liquid level data and system setting screen can be shown by LCDs, pass through
Keyboard can input and arrange system relevant parameter.
Further in technical scheme, described single-chip microcomputer is also associated with D/A change-over circuit, can be by current liquid level information conversion
It is the analog signal outputs such as 0～20ma, 4～20ma, 0～5V, 0～10V.
Further in technical scheme, described single-chip microcomputer is also associated with RS485 communication interface circuit, for the output of serial data,
It is connected with external data terminal.
Preferably, described LCDs is chromatic liquid crystal screen, single colour liquid crystal display or digital display screen.
By technique scheme, the intelligent wireless liquid level monitor that the present invention provides has the advantage that
1, both liquid level can be measured, it is also possible to current liquid level information is converted to 0～20ma, 4～20ma, 0～5V,
The analog signal output such as 0～10V, it is also possible to liquid level information is carried out serial data output by RS485 communication interface circuit, for
Other measuring and controlling equipments provide and access signal, are conveniently connected with other equipment；
2, use liquid crystal display screen be configured and show, liquid level display mode, alarm point parameter, RS485 communication interface can be set
The transfer rate of circuit and node number；
3, by GSM/GPRS wireless communication module, making the present invention have SMS notification and query function, user can be by short
Letter real-time query current level information, additionally liquid level can also carry out SMS notification when occurring abnormal；
4, liquid level information can be inquired about by mobile phone, it is also possible to is inquired about by computer, and being both suitable for mobile subscriber can also
It is suitable for fixing user, facilitates user that multiple liquid level wireless monitor controllers are managed；
5, can carry out Wireless remote control by mobile phone or computer, real accomplishes unmanned.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or prior art
In description, the required accompanying drawing used is briefly described.
Fig. 1 is the theory diagram of a kind of intelligent wireless liquid level monitor disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State.
The invention provides a kind of intelligent wireless liquid level monitor, schematic diagram as shown in Figure 1, this liquid level monitor can realize
Control integration, is truly realized unmanned, has good application prospect.
Intelligent wireless liquid level monitor as shown in Figure 1, including liquid level sensor and liquid level monitoring instrument, during use, liquid level passes
Sensor is positioned in tested liquid, and liquid level monitoring instrument includes power module and single-chip microcomputer, and power module supplies to system components
Electricity, liquid level sensor is connected with single-chip microcomputer by A/D change-over circuit, liquid level sensor by measurement to liquid level be converted to corresponding
The signal of telecommunication, the signal of telecommunication that liquid level sensor is transmitted by A/D change-over circuit is converted to digital data transmission to single-chip microcomputer.
The digital signal that A/D conversion comes is processed by single-chip microcomputer, analytical calculation, and shows, and enters other each several parts
Row controls；Single-chip microcomputer is also associated with FLASH memory, 6SM/GPRS wireless communication module and relay drive circuit, FLASH
Memorizer arranges parameter for preserve system；GSM/GPRS wireless communication module connects exterior antenna, for wireless data and short
The transmitting-receiving of letter, can carry out Wireless remote control by mobile phone or computer.Relay drive circuit and outside level control device
It is connected, by adhesive or the switch of release control external equipment of relay, and then controls the change of liquid level.
It is additionally provided with LCDs and keyboard in liquid level monitoring instrument, is all connected with single-chip microcomputer, there is the human-computer interaction interface of close friend,
Liquid level data and system setting screen can be shown by LCDs, can input and arrange system relevant parameter by keyboard.
Single-chip microcomputer is also associated with D/A change-over circuit, current liquid level information can be converted to 0～20ma, 4～20ma, 0～
The analog signal outputs such as 5V, 0～10V, if other control system at scene needs water level signal, will need not individually throw in liquid
Level sensor, can directly obtain from the analog signal output of this liquid level monitor.
Single-chip microcomputer is also associated with RS485 communication interface circuit, for the output of serial data, is connected with external data terminal, as
Really onsite user other measuring and controlling equipment need a serial liquid level data time, this RS485 communication interface circuit can be directly
It provides the liquid level data of serial.
The LCDs of the present invention can be chromatic liquid crystal screen, single colour liquid crystal display or digital display screen.The present invention adopts
Single-chip microcomputer can be any producer and model.
The specifically used situation of this invention is as follows:
1, order when user sends " inquiry " by the mobile Fetion terminal of mobile phone or computer, after waiting the several seconds, the present invention
Intelligent wireless liquid level monitor can automatically beam back current liquid level information, such as: " current level: 2.000 meters, alarm point 1:
Relay adhesive, alarm point 2: relay discharges, alarm point 3: relay discharges, alarm point 4: relay discharges ".
2, order when user sends " relay adhesive " by the mobile Fetion terminal of mobile phone or computer, after waiting the several seconds,
The intelligent wireless liquid level monitor of the present invention can beam back the state of current controlled relay automatically, such as: " relay adhesive ".
3, order when user sends " relay release " by the mobile Fetion terminal of mobile phone or computer, after waiting the several seconds,
The intelligent wireless liquid level monitor of the present invention can beam back current controlled relay status automatically, such as: " relay discharges ".
4, when liquid level exception, when i.e. reaching warning set-point liquid level, the intelligent wireless liquid level monitor of the present invention will send automatically
Current liquid level information, such as: " current level: 2.000 meters, alarm point 1: relay adhesive, alarm point 2: relay is released
Put, alarm point 3: relay discharges, alarm point 4: relay discharges." on user computer or mobile phone.
The intelligent wireless liquid level monitor that the present invention provides detects liquid level information by liquid level sensor, micro-by High Performance SCM
The liquid level data that liquid level sensor is detected by reason device is acquired, controls, shows, transmits, and by mobile network to terminal
User sends alarm, and terminal use can also be correlated with plumbing equipment by sending note start and stop.This intelligent wireless liquid level is supervised
Control instrument, alarm point is arranged flexibly, has friendly man machine interface, can in real time and user computer and mobile phone interaction information, it is achieved
Control integration, real accomplishes unmanned.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.To these
The multiple amendment of embodiment will be apparent from for those skilled in the art, generic principles defined herein
Can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (5)
1. an intelligent wireless liquid level monitor, including liquid level sensor and liquid level monitoring instrument, described liquid level monitoring instrument includes
Power module and single-chip microcomputer, it is characterised in that described liquid level sensor is connected with single-chip microcomputer by A/D change-over circuit, described list
Sheet machine is also associated with FLASH memory, GSM/GPRS wireless communication module and relay drive circuit, described GSM/GPRS without
Line communication module connects exterior antenna, and described relay drive circuit is connected with outside level control device.
A kind of intelligent wireless liquid level monitor the most according to claim 1, it is characterised in that in described liquid level monitoring instrument
It is additionally provided with LCDs and keyboard, is all connected with described single-chip microcomputer.
A kind of intelligent wireless liquid level monitor the most according to claim 1, it is characterised in that described single-chip microcomputer is also associated with
D/A change-over circuit.
A kind of intelligent wireless liquid level monitor the most according to claim 1, it is characterised in that described single-chip microcomputer is also associated with
RS485 communication interface circuit, is connected with external data terminal.
5. according to a kind of intelligent wireless liquid level monitor described in claim 2, it is characterised in that described LCDs is colored
LCDs, single colour liquid crystal display or digital display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725123.1A CN105892509A (en) | 2014-11-26 | 2014-11-26 | Wireless intelligent liquid level monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725123.1A CN105892509A (en) | 2014-11-26 | 2014-11-26 | Wireless intelligent liquid level monitor |
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| Publication Number | Publication Date |
|---|---|
| CN105892509A true CN105892509A (en) | 2016-08-24 |
Family
ID=56699246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410725123.1A Pending CN105892509A (en) | 2014-11-26 | 2014-11-26 | Wireless intelligent liquid level monitor |
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| Country | Link |
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| CN (1) | CN105892509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561993A (en) * | 2017-10-24 | 2018-01-09 | 湖州升谱电子科技有限公司 | A kind of reservoir level Internet of Things monitor and alarm system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203037317U (en) * | 2013-01-21 | 2013-07-03 | 陕西理工学院 | Remote water level monitoring device based on global system for mobile communication (GSM) |
| CN203870479U (en) * | 2014-04-25 | 2014-10-08 | 金明德 | Unattended intelligent liquid level monitoring device |
| CN204203795U (en) * | 2014-11-26 | 2015-03-11 | 徐州中矿凯锐科技有限公司 | A kind of intelligent wireless liquid level monitor |
-
2014
- 2014-11-26 CN CN201410725123.1A patent/CN105892509A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203037317U (en) * | 2013-01-21 | 2013-07-03 | 陕西理工学院 | Remote water level monitoring device based on global system for mobile communication (GSM) |
| CN203870479U (en) * | 2014-04-25 | 2014-10-08 | 金明德 | Unattended intelligent liquid level monitoring device |
| CN204203795U (en) * | 2014-11-26 | 2015-03-11 | 徐州中矿凯锐科技有限公司 | A kind of intelligent wireless liquid level monitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561993A (en) * | 2017-10-24 | 2018-01-09 | 湖州升谱电子科技有限公司 | A kind of reservoir level Internet of Things monitor and alarm system |
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