CN204203795U - A kind of intelligent wireless liquid level monitor - Google Patents
A kind of intelligent wireless liquid level monitor Download PDFInfo
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- CN204203795U CN204203795U CN201420752367.4U CN201420752367U CN204203795U CN 204203795 U CN204203795 U CN 204203795U CN 201420752367 U CN201420752367 U CN 201420752367U CN 204203795 U CN204203795 U CN 204203795U
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- liquid level
- chip microcomputer
- intelligent wireless
- level monitor
- utility
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- 239000007788 liquid Substances 0.000 title claims abstract description 89
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000003993 interaction Effects 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of intelligent wireless liquid level monitor, comprise liquid level sensor and liquid level monitoring instrument, described liquid level monitoring instrument comprises power module and single-chip microcomputer, described liquid level sensor is connected with single-chip microcomputer by A/D change-over circuit, described single-chip microcomputer is also connected with FLASH memory, GSM/GPRS wireless communication module and relay drive circuit, described GSM/GPRS wireless communication module connects exterior antenna, described relay drive circuit is connected with outside level control device, liquid level monitor disclosed in the utility model has friendly man-machine interface, can in real time and user computer and mobile phone interaction information, realize control integration, real accomplishes unmanned.
Description
Technical field
The utility model relates to a kind of monitor, particularly a kind of intelligent wireless liquid level monitor.
Background technology
In daily life, to have the occasion of requirement mainly to comprise to the liquid level degree of depth following several: one, the liquid level of river, reservoir, 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 carry out retaining and flood discharge; Two, deep-well intake equipment, needs the change according to well water level, controls startup and the shutdown of intake equipment in time, prevents the too low water pump of liquid level from inhaling empty, initiating failure; Three, in the water supply system of community, often use pond or water tank as water storage device, simultaneously also as the water source of community feedwater, external water inlet pipe network, at pond or water tank, needs the fluid level condition according to pond, carries out valve opening moisturizing or pipe valve is cut off the water.To the feed pump of community, according to the fluid level condition in pond, whether will possess turn on pump condition, during the lack of water of pond, should stop pump working at any time, avoid causing equipment idle running damage due to lack of water, it is very important for therefore grasping liquid level information in real time.
At present, existing liquid level monitor mainly contains following three kinds:
1, float switch formula liquid level monitor: function is simple, continuous coverage liquid level can not change, can only arrange the simple position of the switch, control field apparatus, misoperation is more frequent.
2, liquid level sensor+numeral method instrument: adopt liquid level sensor and Displaying Meter, can show liquid level change continuously, indivedual instrument possesses 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, and scene of must arriving is checked on the spot, can not Long-distance Control.
3, liquid level sensor+PLC: need gather liquid level sensor data by the hardware such as PLC and display screen and show, this technical scheme needs complicated PLC programming, and debugging setting is loaded down with trivial details, and workload is large.If carry out Long-distance Control, need to increase extra network access equipment, drop into high, maintenance cost is high, requires very high to user of service's technical merit.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of intelligent wireless liquid level monitor, has friendly man-machine interface to reach, can in real time and user computer and mobile phone interaction information, and realize control integration, real accomplishes unattended object.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of intelligent wireless liquid level monitor, comprise liquid level sensor and liquid level monitoring instrument, described liquid level monitoring instrument comprises power module and single-chip microcomputer, power module is powered to system components, described liquid level sensor is connected with single-chip microcomputer by A/D change-over circuit, described single-chip microcomputer is also connected with FLASH memory, GSM/GPRS wireless communication module and relay drive circuit, described GSM/GPRS wireless communication module connects exterior antenna, described relay drive circuit is connected with outside level control device, by the adhesive of relay or the switch of release control external unit, and then control the change of liquid level.Liquid level sensor is placed in fluid to be measured, the liquid level measured is converted to corresponding electric signal, and passes to single-chip microcomputer by A/D change-over circuit; A/D is changed the digital signal of coming and processes by single-chip microcomputer, analytical calculation, and shows, and controls other each several parts; FLASH memory is used for the parameters of saved system; GSM/GPRS wireless communication module is used for the transmitting-receiving of wireless data and note, and can carry out Wireless remote control by mobile phone or computer, real accomplishes unmanned.
In further technical scheme, described liquid level monitoring instrument is also provided with LCDs and keyboard, all be connected with described single-chip microcomputer, there is friendly human-computer interaction interface, liquid level data and Operation system setting picture can be shown by LCDs, can be inputted by keyboard and system correlation parameter is set.
In further technical scheme, described single-chip microcomputer is also connected with D/A change-over circuit, current liquid level information can be converted to the analog signal outputs such as 0 ~ 20ma, 4 ~ 20ma, 0 ~ 5V, 0 ~ 10V.
In further technical scheme, described single-chip microcomputer is also connected with RS485 communication interface circuit, for the output of serial data, 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 utility model provides has the following advantages:
1, both can measure liquid level, also current liquid level information can be converted to the analog signal outputs such as 0 ~ 20ma, 4 ~ 20ma, 0 ~ 5V, 0 ~ 10V, liquid level information can also be carried out serial data output by RS485 communication interface circuit, for other measuring and controlling equipments provide access signal, convenient and other equipment connections;
2, adopt liquid crystal display to carry out arranging and show, liquid level display mode, alarm set point parameter, the transfer rate of RS485 communication interface circuit and node number can be set;
3, by GSM/GPRS wireless communication module, make the utility model have SMS notification and query function, user can pass through note real-time query current level information, also can carry out SMS notification when liquid level occurs abnormal in addition;
4, liquid level information can be inquired about by mobile phone, also can be inquired about by computer, has both been applicable to mobile subscriber and also can be applicable to fixed-line subscriber, facilitated user to manage multiple liquid level wireless monitor;
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 in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is the theory diagram of a kind of intelligent wireless liquid level monitor disclosed in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
The utility model provides a kind of intelligent wireless liquid level monitor, schematic diagram as shown in Figure 1, and this liquid level monitor can realize control integration, really accomplishes unmanned, has good application prospect.
Intelligent wireless liquid level monitor as shown in Figure 1, comprise liquid level sensor and liquid level monitoring instrument, during use, liquid level sensor is positioned in tested liquid, liquid level monitoring instrument comprises power module and single-chip microcomputer, power module is powered to system components, liquid level sensor is connected with single-chip microcomputer by A/D change-over circuit, the liquid level measured is converted to corresponding electric signal by liquid level sensor, and the electric signal that liquid level sensor transmits by A/D change-over circuit is converted to digital data transmission to single-chip microcomputer.
A/D is changed the digital signal of coming and processes by single-chip microcomputer, analytical calculation, and shows, and controls other each several parts; Single-chip microcomputer is also connected with FLASH memory, GSM/GPRS wireless communication module and relay drive circuit, and FLASH memory is used for the parameters of saved system; GSM/GPRS wireless communication module connects exterior antenna, for the transmitting-receiving of wireless data and note, can carry out Wireless remote control by mobile phone or computer.Relay drive circuit is connected with outside level control device, by the adhesive of relay or the switch of release control external unit, and then controls the change of liquid level.
Liquid level monitoring instrument is also provided with LCDs and keyboard, is all connected with single-chip microcomputer, there is friendly human-computer interaction interface, liquid level data and Operation system setting picture can be shown by LCDs, can be inputted by keyboard and system correlation parameter is set.
Single-chip microcomputer is also connected with D/A change-over circuit, current liquid level information can be converted to the analog signal outputs such as 0 ~ 20ma, 4 ~ 20ma, 0 ~ 5V, 0 ~ 10V, if other control system at scene needs water level signal, to not need to throw in liquid level sensor separately, can directly obtain from the analog signal output of this liquid level monitor.
Single-chip microcomputer is also connected with RS485 communication interface circuit, for the output of serial data, be connected with external data terminal, if when other measuring and controlling equipment of onsite user needs the liquid level data of a serial, this RS485 communication interface circuit can directly for it provides the liquid level data of serial.
LCDs of the present utility model can be chromatic liquid crystal screen, single colour liquid crystal display or digital display screen.The single-chip microcomputer that the utility model adopts can be any producer and model.
The concrete service condition of this utility model is as follows:
1, when user sends " inquiry " order by the mobile Fetion terminal of mobile phone or computer, after waiting for the several seconds, intelligent wireless liquid level monitor of the present utility model can beam back current liquid level information automatically, as: " current level: 2.000 meters; alarm set point 1: relay adhesive; alarm set point 2: relay discharges, alarm set point 3: relay discharges, alarm set point 4: relay discharges ".
2, when user sends " relay adhesive " order by the mobile Fetion terminal of mobile phone or computer, after waiting for the several seconds, intelligent wireless liquid level monitor of the present utility model can be beamed back current by the state of controlled relay automatically, as: " relay is adhesive ".
3, when user sends " relay release " order by the mobile Fetion terminal of mobile phone or computer, after waiting for the several seconds, intelligent wireless liquid level monitor of the present utility model can beam back current controlled relay status automatically, as: " relay discharges ".
4, when liquid level is abnormal, when namely reaching warning set-point liquid level, intelligent wireless liquid level monitor of the present utility model will send current liquid level information automatically, as: " current level: 2.000 meters; alarm set point 1: relay adhesive; alarm set point 2: relay discharges, alarm set point 3: relay discharges, alarm set point 4: relay discharges." on user computer or mobile phone.
The intelligent wireless liquid level monitor that the utility model provides detects liquid level information by liquid level sensor, the liquid level data detected liquid level sensor by High Performance SCM microprocessor gathers, controls, shows, transmits, and sending alarm by mobile network to terminal user, terminal user also can be correlated with plumbing equipment by sending note start and stop.This intelligent wireless liquid level monitor, alarm set point is arranged flexibly, has friendly man-machine interface, can in real time and user computer and mobile phone interaction information, and realize control integration, real accomplishes unmanned.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. an intelligent wireless liquid level monitor, comprise liquid level sensor and liquid level monitoring instrument, described liquid level monitoring instrument comprises power module and single-chip microcomputer, it is characterized in that, described liquid level sensor is connected with single-chip microcomputer by A/D change-over circuit, described single-chip microcomputer is also connected with FLASH memory, GSM/GPRS wireless communication module and relay drive circuit, and described GSM/GPRS wireless communication module connects exterior antenna, and described relay drive circuit is connected with outside level control device.
2. a kind of intelligent wireless liquid level monitor according to claim 1, is characterized in that, described liquid level monitoring instrument is also provided with LCDs and keyboard, is all connected with described single-chip microcomputer.
3. a kind of intelligent wireless liquid level monitor according to claim 1, it is characterized in that, described single-chip microcomputer is also connected with D/A change-over circuit.
4. a kind of intelligent wireless liquid level monitor according to claim 1, it is characterized in that, described single-chip microcomputer is also connected with RS485 communication interface circuit, is connected with external data terminal.
5. according to a kind of intelligent wireless liquid level monitor according to claim 2, it is characterized in that, described LCDs is chromatic liquid crystal screen, single colour liquid crystal display or digital display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752367.4U CN204203795U (en) | 2014-11-26 | 2014-11-26 | A kind of intelligent wireless liquid level monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752367.4U CN204203795U (en) | 2014-11-26 | 2014-11-26 | A kind of intelligent wireless liquid level monitor |
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| CN204203795U true CN204203795U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420752367.4U Expired - Fee Related CN204203795U (en) | 2014-11-26 | 2014-11-26 | A kind of intelligent wireless liquid level monitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867444A (en) * | 2016-05-19 | 2016-08-17 | 吉林大学 | Ultrasonic liquid level measurement and automatic control device |
| CN105892509A (en) * | 2014-11-26 | 2016-08-24 | 徐州中矿凯锐科技有限公司 | Wireless intelligent liquid level monitor |
| CN105974952A (en) * | 2016-07-22 | 2016-09-28 | 长沙卡特尔环保科技有限公司 | Novel hydrogen-oxygen generator liquid level control system and control method |
-
2014
- 2014-11-26 CN CN201420752367.4U patent/CN204203795U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892509A (en) * | 2014-11-26 | 2016-08-24 | 徐州中矿凯锐科技有限公司 | Wireless intelligent liquid level monitor |
| CN105867444A (en) * | 2016-05-19 | 2016-08-17 | 吉林大学 | Ultrasonic liquid level measurement and automatic control device |
| CN105974952A (en) * | 2016-07-22 | 2016-09-28 | 长沙卡特尔环保科技有限公司 | Novel hydrogen-oxygen generator liquid level control system and control method |
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| DD01 | Delivery of document by public notice |
Addressee: Wang Hulong Document name: Notification of Acceptance of Patent Application |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20201126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |