CN104464225A - Water leakage monitoring system and method for water supply terminal - Google Patents
Water leakage monitoring system and method for water supply terminal Download PDFInfo
- Publication number
- CN104464225A CN104464225A CN201410766120.2A CN201410766120A CN104464225A CN 104464225 A CN104464225 A CN 104464225A CN 201410766120 A CN201410766120 A CN 201410766120A CN 104464225 A CN104464225 A CN 104464225A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
- G08B27/006—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations with transmission via telephone network
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- Business, Economics & Management (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides a water leakage monitoring system for a water supply terminal. The water leakage monitoring system comprises a main monitoring module and a plurality of on-site monitoring node modules. The main monitoring module is used for receiving warning information transmitted by the on-site monitoring node modules and notifying maintenance staff of the warning information in the form of short message or telephone or display screen displaying; the on-site monitoring node modules are used for detecting whether the water supply terminal leaks water or not, and if yes, the on-site monitoring node modules transmit water leakage information to the main monitoring module. The water leakage monitoring system for the water supply terminal is automatic water leakage detection and control equipment which is low in cost and power consumption and high in reliability and real-time performance and has important significance for reducing a large amount of waste of water resources, reducing economic loss and achieving the purpose of energy conversation.
Description
Technical field
The present invention relates to monitoring equipment technical field, particularly relate to a kind of water supply terminal leakage monitoring system and method.
Background technology
No matter in public places such as school, hotel, enterprise and offices, often can run into because of water supply terminal (as running water pipe, water nozzle etc.) accidental damage, can not get on-call maintenance, cause the phenomenon that a large amount of tap water runs off.
Summary of the invention
The object of the invention is to solve the defect that above-mentioned prior art exists, the water supply terminal water leakage monitoring device providing a kind of phenomenon that can reduce or avoid can not to obtain because of the accidental damage of water supply terminal water resource that on-call maintenance causes and waste in a large number to occur and method.
A kind of water supply terminal leakage monitoring system, comprises main monitoring module, some on-site supervision node modules;
The warning message that main monitoring module sends for receiving on-site supervision node module, and this warning message is notified maintenance personal with the form of note or phone, display screen display;
Whether on-site supervision node module exists to leak manifest for detecting water supply terminal, if having, then the information of leaking is sent to main monitoring module.
Further, water supply terminal leakage monitoring system as above, described main monitoring module comprises: at89s52 control chip, and this control chip is connected with dialing chip, short message receiving-transmitting gsm module, LCD LCD MODULE, wireless receiving module.
Further, water supply terminal leakage monitoring system as above, described on-site supervision node module comprises: one-chip computer module, and this one-chip computer module is connected with ultrasonic flow rate detection module, pyroelectric human body detecting module, wireless sending module, alarm module.
Further, water supply terminal leakage monitoring system as above, comprise the solenoid valve control module for controlling the total lock folding of water supply terminal, solenoid valve control module is connected with at89s52 control chip.
A kind of water supply terminal water leakage monitoring method, comprises the following steps:
Step 101, detect water supply terminal by ultrasonic flow rate detection module and whether leak, leak if detect, then enter step 102; If nothing, then enter step 105;
Step 102, detect water supply terminal by pyroelectric human body detecting module and whether have people, if there is people, then enter step 103; If unmanned, then enter step 104;
Step 103: whether the time delay of one-chip computer module control pyroelectric human body detecting module continues monitoring water supply terminal after 15 minutes have people, if unmanned, then enters step 104; If someone, then return step 101;
Step 104: one-chip computer module controls alarm module and reports to the police, this warning message is sent to the wireless receiving module of main monitoring module by wireless sending module simultaneously, this warning message is sent to maintenance personal by words dialing chip, short message receiving-transmitting gsm module by at89s52 control chip, and this warning message is shown by LCD LCD MODULE by at89s52 control chip simultaneously;
Step 105: terminate.
Further, water supply terminal water leakage monitoring method as above, at step 104, when confirming to leak, one-chip computer module control Controlling solenoid valve control module by water supply terminal the total lock of switch close.
Beneficial effect:
Water supply terminal leakage monitoring system provided by the invention, a kind of low cost, low-power consumption, high reliability and real-time the automatic Detection & Controling equipment that leaks, for a large amount of wastes reducing water resource, reduce economic loss, realize energy-conservation target, by significant.
Accompanying drawing explanation
Fig. 1 is that the present invention supplies water terminal leakage monitoring system structural representation;
Fig. 2 is that the present invention supplies water terminal water leakage monitoring method flow diagram.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below technical scheme in the present invention be clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is that the present invention supplies water terminal leakage monitoring system structural representation, as Fig. 1 so, system is made up of a main monitoring module and multiple on-site supervision node module.Main monitoring module completes the reception process of information, and realizes reporting to the police by dialing, the form such as note and acousto-optic that sends, and the water supply terminal that generation is leaked obtains on-call maintenance within the shortest time.On-site supervision node module realizes the accurate detection and indentification of water supply terminal leaking area, if the phenomenon having terminal to leak, sends warning message to monitoring and controlling system module by data transmit-receive module, then notifies maintenance personal by monitoring and controlling system transmission warning message.
The main monitoring module of the present invention is control chip with at89s52, is equipped with the multiple type of alarm circuit such as dialing chip, short message receiving-transmitting gsm module, sound light alarming circuit, realizes leaking area warning message to send to maintenance personal, to obtain on-call maintenance.Monitoring and controlling system is furnished with LCD liquid crystal display circuit and radio receiving transmitting module simultaneously, and the former is in order to show in water supply network the particular location of terminal of leaking, the leaking area information that the latter sends in order to receive Site Detection node.
Described gsm wireless short message transceiving module adopts TC35 series module TC35i, and its cost performance is very high, and has had domestic wireless device networking card, is the up-to-date wireless module that Siemens releases, functionally compatible, compact to design with TC35.TC35i and GSM 2/2+ compatibility, double frequency (GSM900/GSMl800), RS232 data port, meet etsi standard GSM0707 and GSM0705, and be easy to upgrade to GPRS module.This module integrates radio circuit and base band, provides the AT command interface of standard to user, for data, voice, short message and fax provide quick, reliable, safe transmission, and user friendly application and development and design.
On-site supervision node module is primarily of circuit compositions such as one-chip computer module, ultrasonic flow rate detection module, pyroelectric human body detecting module, wireless transceiver circuit, sound light alarming circuit, solenoid control.
The brief introduction of AT89S52 single-chip microcomputer
AT89S52 is a kind of low-power consumption, high-performance CMOS 8 8-digit microcontroller, has 8K in-system programmable components flash storage.Use the manufacture of Atmel company high-density nonvolatile memory technology, with the instruction of industrial 80C51 product and pin completely compatible.On sheet, Flash allows program storage in-system programmable components, is also suitable for conventional programming device.On a single chip, have 8 dexterous bit CPUs and in-system programmable components Flash, height is flexible, the solution of super efficient for numerous embedded Control application system provides to make AT89S52.Support that 2 kinds of software-selectable select energy-saving mode.Under idle pulley, CPU quits work, and permission RAM, timer/counter, serial ports, interruption work on.Under power down protection mode, RAM content is saved, and oscillator is frozen, and all work of single-chip microcomputer stop, and interrupt or hardware reset until next.
(2) ultrasonic flow rate detection module
System selects DTFX series pipe with small pipe diameter ultrasonic flow transducer DN20-50, the transducer of this sensor is that burst is to nearly often organizing about 100 pulses, provide the signal intensity of nearly 100 ~ 1000 times, in the case, even if transponder pulse interrupts, still can meet the enough signals needed for accurate measuring flow, have a certain amount of bubble and suspension to deposit in case also can reliable measurements.It is not by the impact of fluid properties change, single transducer is so just allowed to transmit and receive in very wide frequency range, and this transducer can launch the acoustic signals of undistorted, good stability and high amplitude when using on pipeline, single group sensor can reach higher measuring accuracy.
(3) pyroelectric human body detecting module
The effect of pyroelectric human body detecting module is the measurement coordinating ultrasonic flow transducer, and whether be improper water, namely whether there is the generation of drainage if realizing.Concrete determination methods: terminal is opened if ultrasonic flow transducer detects water supply, judge whether that people is near this terminal by human body detection module again, if someone, then just commonly using water, otherwise be there is drainage, then time delay judges, if still nobody turns off water swivel for 15 minutes again, prove that this terminal exists drainage really, then send the instruction notification maintenance personal of leaking by on-the-spot test node to master control system and safeguard in time.
The detection array that pyroelectric human body detecting module adopts multiple pyroelectric sensor to form, realizes the detection of respective regions.Each water supply terminal (as: water swivel) adopts a pyroelectric sensor, the signal of each sensor is gathered in turn by microprocessor, in a region (as one scrub between, or toilet) as long as all the sensors in have one to detect someone to exist.
(4) radio receiving transmitting module
Select RFC-33A remote-wireless communication module, adopt Nordic company nRF905 wireless communication chips, work in 433MHz, open ISM band is exempted from licence and is used, and maximum transmission power reaches 2W, can reach more than 2000 meters at open ground maximum transmission distance.In+33dBm situation, sending mode: average operating current is less than 300mA; Accepting state: average operating current is 12.5mA.Module can establish address by software, just can export data when only receiving the machine address and provide and interrupt instruction, can directly connect various single-chip microcomputer, software programming is very convenient has superpower penetration capacity, highly sensitive, can-100dBm be reached, stable performance, reliability is high, is applicable to radio communication, industry remote control system etc. under overlength distance or complex situations.
(5) sound and light alarm module
Select the sound and light alarm module of+12V or+24V power supply.In order to avoid alarm module and relay are to the interference of flush bonding processor work, with add photoelectric coupling isolation integrated circuit TLP421 between the two, ensure that system worked well.
Fig. 2 is that the present invention supplies water terminal water leakage monitoring method flow diagram, and please refer to Fig. 2, detection method provided by the invention comprises the following steps:
Step 101, detect water supply terminal by ultrasonic flow rate detection module and whether leak, leak if detect, then enter step 102; If nothing, then enter step 105;
Step 102, detect water supply terminal by pyroelectric human body detecting module and whether have people, if there is people, then enter step 103; If unmanned, then enter step 104;
Step 103: whether the time delay of one-chip computer module control pyroelectric human body detecting module continues monitoring water supply terminal after 15 minutes have people, if unmanned, then enters step 104; If someone, then return step 101;
Step 104: one-chip computer module controls alarm module and reports to the police, this warning message is sent to the wireless receiving module of main monitoring module by wireless sending module simultaneously, this warning message is sent to maintenance personal by words dialing chip, short message receiving-transmitting gsm module by at89s52 control chip, and this warning message is shown by LCD LCD MODULE by at89s52 control chip simultaneously;
Step 105: terminate.
Further, at step 104, when confirming to leak, one-chip computer module controls Controlling solenoid valve control module and is closed by total for the switch of water supply terminal lock.
The present invention has following advantage:
(1) have employed ultrasonic flow rate measuring technique, realize the Quick Measurement of field data (flow etc.);
(2) adopt pyroelectric sensor to realize personnel's detection, achieve with presence or absence of personnel and accurately judge, improve the accuracy of warning, decrease the generation of false alarm phenomenon;
(3) have employed the type of alarm that multiple alarm form combines, especially the utilization of dialing and short message transceiving module, improve the promptness of warning;
(4) have employed multiple anti-disturbance method and measure, especially the integrated application of hardware anti-interference and software anti-jamming, improve the reliability and stability of system;
The present invention well solves the significant problem of a large amount of waste water resources that the accidental damage of water supply terminal causes, by a large amount of field investigations, we find the equipment of pipe leakage context of detection and system more, but equipment and the system of terminal leak water detdction also do not adopt, therefore, systematic difference prospect is boundless, the successful development of system, for saving water resource, realize energy-conservation target, all will play important impetus.This system has stronger portability, and part of module can be used in other analogous instruments and system, and this system has boundless application prospect and higher using value.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a water supply terminal leakage monitoring system, is characterized in that, comprises main monitoring module, some on-site supervision node modules;
The warning message that main monitoring module sends for receiving on-site supervision node module, and this warning message is notified maintenance personal with the form of note or phone, display screen display;
Whether on-site supervision node module exists to leak manifest for detecting water supply terminal, if having, then the information of leaking is sent to main monitoring module.
2. water supply terminal leakage monitoring system according to claim 1, it is characterized in that, described main monitoring module comprises: at89s52 control chip, and this control chip is connected with dialing chip, short message receiving-transmitting gsm module, LCD LCD MODULE, wireless receiving module.
3. water supply terminal leakage monitoring system according to claim 1, it is characterized in that, described on-site supervision node module comprises: one-chip computer module, and this one-chip computer module is connected with ultrasonic flow rate detection module, pyroelectric human body detecting module, wireless sending module, alarm module.
4. water supply terminal leakage monitoring system according to claim 3, is characterized in that, comprise the solenoid valve control module for controlling the total lock folding of water supply terminal, solenoid valve control module is connected with at89s52 control chip.
5. a water supply terminal water leakage monitoring method, is characterized in that, comprise the following steps:
Step 101, detect water supply terminal by ultrasonic flow rate detection module and whether leak, leak if detect, then enter step 102; If nothing, then enter step 105;
Step 102, detect water supply terminal by pyroelectric human body detecting module and whether have people, if there is people, then enter step 103; If unmanned, then enter step 104;
Step 103: whether the time delay of one-chip computer module control pyroelectric human body detecting module continues monitoring water supply terminal after 15 minutes have people, if unmanned, then enters step 104; If someone, then return step 101;
Step 104: one-chip computer module controls alarm module and reports to the police, this warning message is sent to the wireless receiving module of main monitoring module by wireless sending module simultaneously, this warning message is sent to maintenance personal by words dialing chip, short message receiving-transmitting gsm module by at89s52 control chip, and this warning message is shown by LCD LCD MODULE by at89s52 control chip simultaneously;
Step 105: terminate.
6. water supply terminal water leakage monitoring method according to claim 5, is characterized in that, at step 104, when confirming to leak, one-chip computer module controls Controlling solenoid valve control module and closed by total for the switch of water supply terminal lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766120.2A CN104464225A (en) | 2014-12-11 | 2014-12-11 | Water leakage monitoring system and method for water supply terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410766120.2A CN104464225A (en) | 2014-12-11 | 2014-12-11 | Water leakage monitoring system and method for water supply terminal |
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| CN104464225A true CN104464225A (en) | 2015-03-25 |
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| CN201410766120.2A Pending CN104464225A (en) | 2014-12-11 | 2014-12-11 | Water leakage monitoring system and method for water supply terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125606A (en) * | 2016-07-14 | 2016-11-16 | 宁波顺源电子科技有限公司 | A kind of preventing water leakage protection system |
| CN107450615A (en) * | 2017-08-03 | 2017-12-08 | 合肥祥国电子商务有限公司 | A kind of public boiled water room current sensor monitoring regulator control system |
| CN107702866A (en) * | 2017-11-07 | 2018-02-16 | 杭州电子科技大学 | The intelligent wireless water valve device of real-time leak water detdction |
| CN109917683A (en) * | 2019-03-15 | 2019-06-21 | 大连居乐科技发展有限公司 | A kind of water flow controller and control system of preventing water leakage |
| CN113514208A (en) * | 2021-07-20 | 2021-10-19 | 河北红岸基地科技有限公司 | Water leakage prevention detection method for electromagnetic valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125606A (en) * | 2016-07-14 | 2016-11-16 | 宁波顺源电子科技有限公司 | A kind of preventing water leakage protection system |
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| CN107702866A (en) * | 2017-11-07 | 2018-02-16 | 杭州电子科技大学 | The intelligent wireless water valve device of real-time leak water detdction |
| CN107702866B (en) * | 2017-11-07 | 2019-09-06 | 杭州电子科技大学 | The intelligent wireless water valve device of real-time leak water detdction |
| CN109917683A (en) * | 2019-03-15 | 2019-06-21 | 大连居乐科技发展有限公司 | A kind of water flow controller and control system of preventing water leakage |
| CN113514208A (en) * | 2021-07-20 | 2021-10-19 | 河北红岸基地科技有限公司 | Water leakage prevention detection method for electromagnetic valve |
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Application publication date: 20150325 |