CN102881121A - Liquid leakage monitoring method and system - Google Patents
Liquid leakage monitoring method and system Download PDFInfo
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- CN102881121A CN102881121A CN2012103552616A CN201210355261A CN102881121A CN 102881121 A CN102881121 A CN 102881121A CN 2012103552616 A CN2012103552616 A CN 2012103552616A CN 201210355261 A CN201210355261 A CN 201210355261A CN 102881121 A CN102881121 A CN 102881121A
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Abstract
The invention relates to the field of liquid monitoring, in particular to a liquid leakage monitoring method and a liquid leakage monitoring system, which can find liquid leakage timely. The liquid leakage monitoring method comprises the following steps: monitoring and collecting sound wave signals in a pipeline in real time; judging whether liquid flows in the pipeline or not according to the sound wave signals; starting to time when judging that liquid flows in the pipeline; performing zero clearing on timing when judging that no liquid flows in the pipeline; and sending out an alarm when the timing time is more than or equal to the set time.
Description
Technical field
The present invention relates to the liquid monitoring field, be specifically related to a kind of leakage monitoring method and leakage monitoring system.
Background technology
For the pipeline that liquid flow is arranged, particularly do not need the pipeline of long-time continuous working fluid, usually can detect pipeline, prevent that liquid from going out economic loss from the pipeline internal leakage.For example, all can be provided with water swivel and water supply pipe is arranged in the general family room, as in toilet and kitchen, being provided with water swivel and water supply pipe; When water swivel or water supply pipe leak when but in time not finding, tap water can flow to ground, if the time of leaking is longer, then can play highly higher water at the ground area, ponding can corrode and permeate ground, even ponding can flow in other family room, finally causes floor to be positioned at leaking following family room of family to be intake; In addition, if the height of family room's internal water accumulation is higher, be positioned on the wall overhead nearer socket or be placed on ground wiring board and intake comparatively easily, if this moment socket or wiring board energising, then can cause electricity to leak, thereby cause comparatively serious destruction and loss.
The existing mode that pipeline is detected only has regular professional staff to detect to the doorstep, can not in time find leak of liquid, thus economic loss.
Summary of the invention
The invention provides a kind of leakage monitoring method and leakage monitoring system, can in time find leak of liquid.
The invention provides a kind of leakage monitoring method, described leakage monitoring method comprises the steps:
Acoustic signals in Real-Time Monitoring and the collection conduit;
Judge according to described acoustic signals whether liquid flow is arranged in the described pipeline;
When in judging described pipeline, liquid flow being arranged, then begin timing;
When no liquid flows in judging described pipeline, then timing zero clearing;
When described timing time during more than or equal to setting-up time, then give the alarm.
In various embodiments of the present invention, preferably, the scope of described setting-up time is 1-60 minute.
In various embodiments of the present invention, preferably, after the step of the acoustic signals in Real-Time Monitoring and collection conduit, and before judging the step whether liquid flow is arranged in the described pipeline according to described acoustic signals, further comprise:
Convert described acoustic signals to electric signal;
Then step judges whether have liquid flow to be in the described pipeline according to described acoustic signals:
Judge according to described electric signal whether liquid flow is arranged in the described pipeline.
In various embodiments of the present invention, preferably, after converting described acoustic signals the step of electric signal to, and before judging the step whether liquid flow is arranged in the described pipeline according to described electric signal, further comprise:
Described electric signal is amplified;
Then step judges whether have liquid flow to be in the described pipeline according to described electric signal:
Judge according to the electric signal after the described amplification whether liquid flow is arranged in the described pipeline.
In various embodiments of the present invention, preferably, after the step that described electric signal is amplified, and before judging the step whether liquid flow is arranged in the described pipeline according to the electric signal after the described amplification, further comprise:
Described electric signal after amplifying is carried out filtering to be processed;
Then the electric signal of step after according to described amplification judges whether have liquid flow to be in the described pipeline:
Judge according to the described electric signal that carries out after filtering is processed whether liquid flow is arranged in the described pipeline.
In various embodiments of the present invention, preferably, further comprise: after giving the alarm, send short message prompt to setting number.
The present invention also provides a kind of leakage monitoring system, comprising:
Monitoring and collection module, it is used for the acoustic signals in Real-Time Monitoring and the collection conduit, and sends described acoustic signals;
Judge module, it receives described acoustic signals, and judges according to described acoustic signals whether liquid flow is arranged in the described pipeline, sends judged result;
Timing module, it receives described judged result, when in judging described pipeline liquid flow being arranged, then begins timing; When no liquid flows in judging described pipeline, then timing zero clearing; When described timing time during more than or equal to setting-up time, then send alarm.
In various embodiments of the present invention, preferably, described judge module further comprises: converting unit, and it is used for converting described acoustic signals to electric signal; Then described judge module judges according to described electric signal whether liquid flow is arranged in the described pipeline.
In various embodiments of the present invention, preferably, described judge module further comprises: amplifying unit, and its electric signal that is used for described converting unit is converted to amplifies, and then described judge module judges according to the described electric signal after amplifying whether liquid flow is arranged in the described pipeline.
In various embodiments of the present invention, preferably, described judge module further comprises: filtration module, and the described electric signal after it is used for amplifying carries out filtering, and then described judge module judges according to filtered described electric signal whether liquid flow is arranged in the described pipeline.
By leakage monitoring method and the leakage monitoring system that various embodiments of the present invention provide, can bring following beneficial effect:
To the monitoring of the acoustic signals in the pipeline and collection, judge whether have liquid flowing in the pipeline, when in judging pipeline, liquid flow being arranged, then to begin timing according to acoustic signals in real time, when no liquid flows in judging pipeline, then timing zero clearing; When timing time during more than or equal to setting-up time, then give the alarm; By in real time the acoustic signals in the pipeline being monitored, is collected and judges, can control in real time the situation of liquid flow in the pipeline, when liquid flow, then begin timing, when liquid continuous flow during more than or equal to setting-up time, then think and give the alarm the leak of liquid that pipeline is interior; With only have regular professional staff to detect to the doorstep in the prior art to compare, the professional can not detect pipeline on the pipeline side in real time, thereby when having leak of liquid, pipeline is difficult in time find, and method provided by the invention can detect pipeline in real time, has reached the effect of timely discovery leak of liquid.
By converting acoustic signals to electric signal, and then electric signal is amplified, can comparatively easy application prior art be judged by electric signal.
By sending short message prompt to setting number, can work as when pipeline is other not to have monitoring party, in time notify monitoring party, then monitoring party is in time handled it after receiving information, has strengthened the transitivity of information.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in below describing only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the process flow diagram of the embodiment of leakage monitoring method of the present invention;
Fig. 2 is the process flow diagram of the embodiment of leakage monitoring method of the present invention;
Fig. 3 is the structural representation of the embodiment of leakage monitoring system of the present invention;
Fig. 4 is the structural representation of the embodiment of leakage monitoring system of the present invention.
Embodiment
Below with reference to accompanying drawing the technical scheme of various embodiments of the present invention is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the present invention protects.
In one embodiment, as shown in Figure 1, be the process flow diagram of the embodiment of leakage monitoring method of the present invention, the leakage monitoring method comprises the steps:
Should be understood that can also increase liquid to the monitoring of the pressure of duct wall, and when in the pipeline liquid flow being arranged, the liquid in the pipeline can produce pressure to duct wall, the variation that is under pressure by detecting duct wall, thus judge whether liquid flow is arranged in the pipeline.Can adopt piezoelectric ceramics that the liquid in the pipeline is monitored.
Should be understood that and adopt simultaneously dual mode that pipeline is monitored, can improve stability and the accuracy of monitoring.
Should be understood that give the alarm this moment can for, when reaching setting-up time, sent out once every 1 minute, can also send out every 10 minutes alarms.
For example, setting-up time is 20 minutes, when timing time gives the alarm during greater than 20 minutes, sent an alarm every 1 minute, after the alarm when at 24 minutes is sent, judged that before 25 minutes no liquid has flowed in the pipeline, then no longer give the alarm, and the timing zero clearing.
Should be understood that step 103 to the not specific order of step 105, just is described, in this embodiment according to specific circumstances so make for convenience in this embodiment the order such as Fig. 1.
The leakage monitoring method that various embodiments of the present invention provide preferably is applicable to the monitoring of family room's interior conduit.Environment in the family room is comparatively complicated, and most of meeting be provided with water supply pipe in kitchen and toilet, and some may also can arrange water supply pipe in balcony, parlor, dining room etc., and the phenomenon of household water leakage is also comparatively general.Can the water supply pipe in each room be detected.Can also only monitor the tap water source of each family, so more succinct and easy.The trunk line of registering one's residence is arranged in the each household family room, and then be diverted to each water use sector, such as kitchen, toilet etc.When the indoor all water use sectors of family are all closed, there is not water flow in the trunk line; When normal water, the current in the trunk line can change between static and mobile along with situation about using; When metalling run out, break or forget closed tap such as certain water use sector, water can ceaselessly flow out, and at this moment in the trunk line water flow will be arranged all the time, determines whether and has occured to metal run out by detecting in the trunk line time of water continuous flow.
In one embodiment, as shown in Figure 2, be the process flow diagram of the embodiment of leakage monitoring method of the present invention, the leakage monitoring method comprises the steps:
Should be understood that can also increase liquid to the monitoring of the pressure of duct wall, and when in the pipeline liquid flow being arranged, the liquid in the pipeline can produce pressure to duct wall, the variation that is under pressure by detecting duct wall, thus judge whether liquid flow is arranged in the pipeline.Can adopt piezoelectric ceramics that the liquid in the pipeline is monitored.
Should be understood that and adopt simultaneously dual mode that pipeline is monitored, can improve stability and the accuracy of monitoring.
Step 204 is: the electric signal after amplifying is carried out filtering process.Because may there be the interference of other acoustic signals in pipeline, after acoustic signals converts electric signal to, disturb acoustic signals also can be converted, then caused the interference that electric signal is judged, need to carry out filtering herein and process.Can adopt existing technological means that electric signal is carried out filtering.
Step 205 is: judge according to the electric signal that carries out after filtering is processed whether liquid flow is arranged in the pipeline.This step is for to judge whether liquid flow is arranged in the pipeline,
Step 206 is: when in judging pipeline liquid flow being arranged, then begin timing.
Step 207 is: when no liquid flows in judging pipeline, and then timing zero clearing.For example, when in the pipeline liquid flow being arranged, then begin timing, when timing in the time of 1 minute, judge that next time no liquid flows in the display pipes, then with the timing zero clearing; After this, when again judging liquid flow is arranged in the pipeline, the timing of then starting from scratch, the like.
Should be understood that step 205 to the not specific order of step 207, just is described, in this embodiment according to specific circumstances so make for convenience in this embodiment the order such as Fig. 2.
Step 208 is: when timing time during more than or equal to 20 minutes, then give the alarm.Should be understood that give the alarm this moment can for, when reaching setting-up time, sent out once every 1 minute, can also send out every 10 minutes alarms.
For example, setting-up time is 20 minutes, when timing time gives the alarm during greater than 20 minutes, sent an alarm every 1 minute, after the alarm when at 24 minutes is sent, judged that before 25 minutes no liquid has flowed in the pipeline, then no longer give the alarm, and the timing zero clearing.
Step 209 is: after giving the alarm, send short message prompt to setting number.Can work as when pipeline is other not to have monitoring party, in time notify monitoring party, then monitoring party is in time handled it after receiving information, has strengthened the transitivity of information.
For example, monitor at the trunk line that family is indoor, after giving the alarm, can send short message prompt to the kinsfolk's who deposits in advance cell-phone number, be convenient to the kinsfolk and in time process.
In one embodiment, as shown in Figure 3, the structural representation for the embodiment of leakage monitoring system of the present invention comprises: monitoring and collection module 301, judge module 302 and timing module 303.
The acoustic signals that monitoring and collection module 301 are used in Real-Time Monitoring and the collection conduit, and send acoustic signals.Can adopt the acoustic signals detector that the acoustic signals in the pipeline is collected herein.
In one embodiment, as shown in Figure 4, structural representation for the embodiment of leakage monitoring system of the present invention comprises: monitoring and collection module 301, judge module 302 and timing module 303, wherein judge module 302 comprises again converting unit 401, amplifying unit 402 and filtration module 403.
The acoustic signals that monitoring and collection module 301 are used in Real-Time Monitoring and the collection conduit, and send acoustic signals.Can adopt the acoustic signals detector that the acoustic signals in the pipeline is collected herein.
Converting unit 401 converts acoustic signals to electric signal, and electric signal is sent to amplifying unit 402.Amplifying unit 402 amplifies electric signal, and the electric signal after will amplifying sends to filtration module 403.Electric signal after filtration module 403 will amplify carries out filtering, judges according to filtered electric signal whether liquid flow is arranged in the pipeline.Timing module 303 receives by judge module 302 and sends judged result, when in judging pipeline liquid flow being arranged, then begins timing; When no liquid flows in judging pipeline, then timing zero clearing; When timing time during more than or equal to setting-up time, then send alarm.Timing module 303 is interior can to arrange separately alarm, is used for sending alarm.Alarm can be acoustic signals alarm, visual alarm, laser avoidance device and wireless alarm etc.
In one embodiment, for family's indoor application leakage monitoring system provided by the invention, the leakage monitoring system is installed in the trunk line outer wall, be used for flowing of the interior liquid of monitoring trunk line, the leakage monitoring system can also be installed in before and after the total valve of trunk line (trunk line of namely registering one's residence), have several the pipelines of registering one's residence that several leakage monitoring systems just are installed in the family room, should understand, to with family room in water supply pipe, most of families only have the trunk line of registering one's residence.
In one embodiment, the leakage monitoring system is comprised of highly sensitive acoustic signals detector, piezoelectric ceramics, signal amplifier, filtration module, logic decision circuit, timer and alarm transmission etc., wherein, acoustic signals detector and piezoelectric ceramics are arranged in monitoring and the collection module, signal amplifier, recognizer and logic decision circuit are arranged in the judge module, and timer and alarm sender are arranged in the timing module.When in the supervisor that registers one's residence water flow being arranged, the acoustic signals that produces can be detected and convert to by the acoustic signals detector corresponding electric signal, electric signal enters into the signal filtering module and carries out filtering and process after amplifying, filter out the waveform signal of reaction water flow, and be delivered to follow-up logic decision circuit, the basis for estimation of logic decision circuit is based on the custom of domestic water, continuous water time under normal circumstances, refer to that namely water swivel remains on the time of open mode, can not surpass 20 minutes, judge that therefore the time that may metal run out is set as 20 minutes.
The course of work of logic decision circuit is: when receiving the water flow signal at every turn, namely start timer the duration of electric signal is carried out timing, if electric signal interrupts when timer does not reach alarm threshold, then timer stops timing and resets, and begins to wait for new water-flow signal; When water-flow signal continued presence and timer reach 20 minutes, namely detected water continuous flow 20 minutes, carry out the alarm prompt first time; Continue to flow as detecting water afterwards, then carried out one time alarm prompt every 10 minutes, current stop or the manual reset checkout equipment until detect.
The logic decision circuit of above-described embodiment is based in the situation of the normal water of family and sets, and when needing the long-time continuous water under some concrete condition, such as shower or changing water in fish tank etc., the user can select the temporary close acoustic detector.
Should understand, timing module can divide with the warning horn that gives the alarm and is arranged, during i.e. each generation alarm, warning information can be by on the main control unit that timing module sends to it separates, this main control unit can be controlled warning horn and carry out audible and visible alarm, simultaneously warning information is sent on the mobile phone of pre-stored house person by the mobile short-message form.
This detection method has been avoided the problem of circumstance complication in the family room, detect from the source, and inspection side current are to carry out in the tube wall outside, do not need tap water pipeline is done any adjustment, fitting operation is simple and convenient, thereby greatly improved the feasibility of scheme, the detection technique of metalling run out can really be applied in the life staying idle at home, for life staying idle at home has been got rid of an important potential safety hazard.
Can adopt dry cell or lithium battery power supply among this embodiment, only need be directly installed on the trunk line that tap water registers one's residence, the environmental requirement family room in is lower, and be difficult to touched, the reliability and feasibility height.
By the time of predefined transmission alarm, can when metalling run out, send comparatively exactly the alarm of metalling run out, thereby improve the promptness of alarm.Alarm can be passed through acoustic-optic indicator, simultaneously warning information is directly sent on the predefined telephone number by the SMS (Short Messaging Service) breath.
Start with from the detection of tap water trunk line current, avoided circumstance complication in the family room, the common detector installation hard problem that leaks.
Various embodiment provided by the invention can be as required in any way mutually combination, the technical scheme that obtains by this combination, also within the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also comprises these changes and modification interior.
Claims (10)
1. leakage monitoring method, described leakage monitoring method comprises the steps:
Acoustic signals in Real-Time Monitoring and the collection conduit;
Judge according to described acoustic signals whether liquid flow is arranged in the described pipeline;
When in judging described pipeline, liquid flow being arranged, then begin timing;
When no liquid flows in judging described pipeline, then timing zero clearing;
When described timing time during more than or equal to setting-up time, then give the alarm.
2. leakage monitoring method as claimed in claim 1 is characterized in that, the scope of described setting-up time is 1-60 minute.
3. leakage monitoring method as claimed in claim 1 is characterized in that, after the step of the acoustic signals in Real-Time Monitoring and collection conduit, and before judging the step whether liquid flow is arranged in the described pipeline according to described acoustic signals, further comprises:
Convert described acoustic signals to electric signal;
Then step judges whether have liquid flow to be in the described pipeline according to described acoustic signals:
Judge according to described electric signal whether liquid flow is arranged in the described pipeline.
4. leakage monitoring method as claimed in claim 3 is characterized in that, after converting described acoustic signals the step of electric signal to, and before judging the step whether liquid flow is arranged in the described pipeline according to described electric signal, further comprises:
Described electric signal is amplified;
Then step judges whether have liquid flow to be in the described pipeline according to described electric signal:
Judge according to the electric signal after the described amplification whether liquid flow is arranged in the described pipeline.
5. leakage monitoring method as claimed in claim 4 is characterized in that, after the step that described electric signal is amplified, and before judging the step whether liquid flow is arranged in the described pipeline according to the electric signal after the described amplification, further comprises:
Described electric signal after amplifying is carried out filtering to be processed;
Then the electric signal of step after according to described amplification judges whether have liquid flow to be in the described pipeline:
Judge according to the described electric signal that carries out after filtering is processed whether liquid flow is arranged in the described pipeline.
6. leakage monitoring method as claimed in claim 1 is characterized in that, further comprises: after giving the alarm, send short message prompt to setting number.
7. a leakage monitoring system is characterized in that, comprising:
Monitoring and collection module, it is used for the acoustic signals in Real-Time Monitoring and the collection conduit, and sends described acoustic signals;
Judge module, it receives described acoustic signals, and judges according to described acoustic signals whether liquid flow is arranged in the described pipeline, sends judged result;
Timing module, it receives described judged result, when in judging described pipeline liquid flow being arranged, then begins timing; When no liquid flows in judging described pipeline, then timing zero clearing; When described timing time during more than or equal to setting-up time, then send alarm.
8. leakage monitoring system as claimed in claim 7 is characterized in that, described judge module further comprises: converting unit, and it is used for converting described acoustic signals to electric signal; Then described judge module judges according to described electric signal whether liquid flow is arranged in the described pipeline.
9. leakage monitoring system as claimed in claim 8, it is characterized in that, described judge module further comprises: amplifying unit, its electric signal that is used for described converting unit is converted to amplifies, and then described judge module judges according to the described electric signal after amplifying whether liquid flow is arranged in the described pipeline.
10. leakage monitoring system as claimed in claim 9, it is characterized in that, described judge module further comprises: filtration module, and the described electric signal after it is used for amplifying carries out filtering, and then described judge module judges according to filtered described electric signal whether liquid flow is arranged in the described pipeline.
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CN111724572A (en) * | 2020-05-20 | 2020-09-29 | 青岛海尔智能技术研发有限公司 | Water seepage early warning management method, equipment, device, computer equipment and storage medium |
CN114836937A (en) * | 2021-02-02 | 2022-08-02 | 青岛海尔洗衣机有限公司 | Additive feeding device and water leakage detection method thereof |
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