CN109827080A - A segmented coarse locating device and locating method for leakage point of terminal pipe network - Google Patents
A segmented coarse locating device and locating method for leakage point of terminal pipe network Download PDFInfo
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Abstract
本发明提供了一种终端管网漏点分段式粗定位装置和定位方法，该定位装置包括一个终端管网漏控仪和多个阀门；终端管网漏控仪安装在被检测终端管网中靠近进口的管道上，用以检测终端管网是否存在漏点；多个阀门安装在管道上，用于将所检测的终端管网进行分段，多个阀门的类型、安装位置和个数根据被检测终端管网的拓扑结构确定。本发明能够在保持成本较低的情况下，更加及时准确地判断漏点所处的管段，方便维修人员后续对漏点进行精确定位，可大大减少开挖面积，从而降低了维修成本，减少了家庭、企业及其社会的经济损失。
The invention provides a segmented coarse locating device and a locating method for a leakage point of a terminal pipe network. The locating device comprises a terminal pipe network leakage controller and a plurality of valves; the terminal pipe network leakage controller is installed on the detected terminal pipe network. It is used to detect whether there are leaks in the terminal pipe network; multiple valves are installed on the pipeline to segment the detected terminal pipe network, and the type, installation position and number of multiple valves Determined according to the topology of the detected terminal pipe network. The invention can more timely and accurately determine the pipe section where the leak point is located while keeping the cost low, which is convenient for maintenance personnel to accurately locate the leak point in the future, and can greatly reduce the excavation area, thereby reducing the maintenance cost and reducing the Economic losses to families, businesses and their societies.
Description
Technical field
The present invention relates to fluid monitoring technical fields, more particularly, to a kind of terminal pipe network leak source segmented rough positioning device
And localization method.
Background technique
On the one hand, China is the serious country of water shortage, and freshwater resources only have 2173 cubic metres per capita, and the only world is flat
Horizontal 1/4 ranks 121 in the world, is poorest one of the country of global 13 per capita water resources.But another party
Face, China are the biggish country of pipe network wastage, and public supply mains water leakage is much larger than developed country, with certainly
For water, China's leak rate that is averaged is 15.7%, some places even as high as 30% or more, and developed country's highest level is
6% to 8%.Due to existing leak hunting technology level and management system etc., the leakage measure of pipe network control at present is substantially
It is carried out for backbone pipeline.From waterworks by backbone, branch line again to the whole water supply network of pipe network in building body
The topological structure of system cans be compared to one big tree, referred to as pipe network tree, and backbone pipeline and branch line pipe network can be compared to the trunk of pipe network tree
And branch, and be then the train of thought in pipe network leaf by the intracorporal water supply terminal pipe network of building of representative of family's water supply network.For
Water terminal pipe network misses the waste for not only causing great lot of water resources, also easily causes bubble and floods house, water connects electrical fire or even personnel's touching
The various secondary harms such as electric injures and deaths, therefore, the leakage of water supply terminal pipe network is not only economic problems, is had gone up as safety problem.
Very serious in view of water supply terminal pipe network leakage problem, we have developed terminal pipe network leakage monitoring technology on-line, and (invention is special
Benefit number: 2012104701317), and with the technology terminal pipe network leakage control instrument is developed, terminal pipe network leakage control instrument can be online
Water supply terminal pipe network is detected with the presence or absence of leakage, but can not determine the position of leak source by terminal pipe network leakage control instrument merely.
Other water supply terminal pipe network dropout detection technologies mainly include water sensor technology and machine learning mode.Water logging
Sensor is that whether should not have water with the presence of the place of water with electrode detector, and then judge whether to deposit based on liquid conduction principle
In water leakage situation, technical principle is easy to use, at present the country household electrical appliances company exploitation for detect family whether the intelligence of leak
Family product mainly uses the technology, but the technology itself has the disadvantage that.
Inefficiency: when water sensor sensitivity is low or the poorly conductive of water, needing to leak out a large amount of water can be detected, this
Shi Keneng has resulted in certain harm and economic loss, and easy false alarm again when high sensitivity, such as wet weather are easily reported by mistake.In addition by
It is mostly hidden pipe in family's water pipe, water pipe leak is seeped down, and leak can not contact water sensor substantially, and therefore, it is difficult to monitor leak
Presence；
Monitoring area is small: can only effectively monitor water sensor position nearby whether there is leak；
Narrow application range: water sensor is not suitable for being mounted on toilet (being used primarily in kitchen), is mounted with it, it is meant that
It cannot take a shower, laundry clothes etc., and toilet is the place of leak maximum probability；
False Rate is high: the water such as vegetable bowl, tap inevitably has water to spill, easily causes its wrong report；
It is at high cost: in order to reach better effect, to need to install multiple water sensors, overall cost is high.
American-European some companies (U.S. Waterhero, Israel Flowless) have developed tool in the way of machine learning
There is the water meter of leak arbitration functions, and big in view of leak harmfulness, American-European some areas are by water policeman (water leakage alarm) conduct
Building standard.Its machine learning mode used, it is believed that there are certain regularity for family's daily water consumption, and it is first that instrument installs early period
The automatic study watering law daily to family when the two difference is larger, is recognized by comparing with subsequent daily water consumption actual conditions
For there are leak, the technology itself is had the disadvantage that.
Rate height is not sentenced: being difficult to differentiate between leak and just common regimen condition, is caused to occur not judge when leak, simultaneously for water pipe
The small leakages such as junction leakage can not detect；
False Rate is high: for household water situation originally without stronger regularity, situations such as night water, is easily misjudged；
Timeliness is poor: leakage judgement needs two hours or more；
It is at high cost: to need to analyze mass data, it is desirable that the high performance chips that arithmetic speed is fast, price is high；
Power consumption is high: carrying out real-time mass data operation, power consumption is big；
Stability is poor: complicated hardware configuration and the control more stability problems of program tape.
Background above technology is the analysis carried out using water supply terminal conduit net as representative, but the technology of the present invention is not only applicable to
Water supply terminal pipe network, illustrates hereby.
Summary of the invention
It, can be the purpose of the present invention is to provide a kind of terminal pipe network leak source segmented rough positioning device and localization method
Judge that terminal pipe network there are after leak source, according to the topological structure of terminal pipe network, carries out segmented coarse positioning to leak source, to tie up
It repairs that personnel are subsequent to be accurately positioned leak source, is greatly improved the timeliness of leak source positioning, reduce excavation area etc., and then drop
Low maintenance cost, reduces the economic loss of family, enterprise and its society.
The present invention provides a kind of terminal pipe network leak source segmented rough positioning device, including a terminal pipe network leakage control instrument and
Multiple valves；The terminal pipe network leakage control instrument is for being mounted on pipeline, and terminal pipe network leakage control instrument is close to terminal pipe network
Entrance, to detect the terminal pipe network with the presence or absence of leak source；The multiple valve is mounted on pipeline, and being used for will be detected
Terminal pipe network is segmented.
The terminal pipe network is not detected there are when leak source when the terminal pipe network leaks control instrument, the multiple valve is in
Open state detects the terminal conduit when the terminal pipe network leaks control instrument to guarantee the whole connectivity of the terminal pipe network
There are certain valves when leak source, closed in the multiple valve for net, and the terminal pipe network is segmented；Then the terminal
Pipe network leakage control instrument pair leaks the pipeline section that control instrument is connected with the terminal pipe network and detects, and judges the pipeline section with the presence or absence of leak source；
The switch state for readjusting certain valves makes other pipeline sections leak control instrument with the terminal pipe network and is connected to, utilizes the end again
The leakage control instrument detection of end pipe net communicates therewith pipeline section and whether there is leak source, and so on, the switch state of certain valves is constantly adjusted,
The terminal pipe network leakage control instrument is recycled to detect the pipeline section being connected with terminal pipe network leakage control instrument with the presence or absence of leak source, until
Pipeline section locating for all leak sources is found, to realize terminal pipe network leak source segmented coarse positioning.
Further, the multiple valve is manually-operated gate or electrically operated valve.
The present invention also provides a kind of terminal pipe network leak source segmented rough localization method, detected terminal pipe network is equipped with
One terminal pipe network leakage control instrument and multiple valves, and terminal pipe network leakage control instrument is close to terminal pipe network entrance, this method packet
Include following steps:
Step 1: it is online and described that one terminal pipe network leakage control instrument and multiple valves being mounted on detected terminal conduit
Multiple valves are in open state, to guarantee the whole connectivity of the terminal pipe network；
Step 2: detecting the whole terminal pipe network using terminal pipe network leakage control instrument whether there is leak source；
Step 3: detecting the terminal pipe network, there are the certain valves after leak source, closed in the multiple valve, by institute
Terminal pipe network is stated to be segmented；
Step 4: leaking control instrument using the terminal pipe network and leak the pipe that control instrument is connected with the terminal pipe network to after segmentation
Duan Jinhang detection judges the pipeline section with the presence or absence of leak source；
Step 5: readjusting the switch state of certain valves in the multiple valve, make other pipeline sections and the terminal
Pipe network leakage control instrument connection, leaks control instrument detection using the terminal pipe network again and communicates therewith pipeline section with the presence or absence of leak source, with such
It pushes away, constantly adjusts the switch state of certain valves, the terminal pipe network leakage control instrument detection is recycled to control with terminal pipe network leakage
The pipeline section that instrument is connected whether there is leak source, until pipeline section locating for all leak sources is found, to realize terminal pipe network leak source point
Segmentation coarse positioning.
Further, the type, installation site and number of the multiple valve are tied according to the topology for being detected terminal pipe network
Structure determines.
Further, the adjustment sequence of the multiple valve switch state and adjustment mode are according to detected terminal pipe network
Topological structure determines.
Compared with prior art, the invention has the benefit that
Terminal pipe network leak source segmented rough positioning device provided by the invention and its terminal pipe network leak source segmented of use
Rough localization method can carry out segmented coarse positioning to leak source, so that maintenance personal is subsequent in the case where keeping lower-cost situation
Leak source is accurately positioned, the timeliness of leak source positioning is greatly improved, excavation area can be reduced again after leak source positioning, reduced
Destruction, etc. to building body, and then maintenance time is saved, maintenance cost is reduced, family, enterprise and its society are greatly reduced
Economic loss.The valve that the terminal pipe network leak source segmented rough positioning device uses is normal domestic valve, while end
The cost of end pipe net leakage control instrument is not also high, and then ensure that overall cost is lower.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the technical solution in a specific embodiment of the invention or the technology
Attached drawing needed in embodiment or the technical description is briefly described, it should be apparent that, be described below in it is attached
Figure is some embodiments of the present invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of terminal pipe network leak source segmented rough positioning device provided in an embodiment of the present invention.
Appended drawing reference:
1- terminal pipe network leakage control instrument；2- valve A；3- valve B；
4- pipeline section A；5- pipeline section B；6- pipeline section C；7- pipeline section D；
8- terminal valve A；9- terminal valve B；10- terminal valve C；
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects
It is logical ", the words such as " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
The connection being also possible to inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Embodiment
Shown in Figure 1, the embodiment of the invention provides a kind of terminal pipe network leak source segmented rough positioning devices, including end
End pipe net leakage control instrument 1, valve A2 and valve B3；Terminal pipe network provided in this embodiment is by pipeline section A4, pipeline section B5, pipeline section C6 and pipe
Section D7 is constituted, and topological structure is as shown in Figure 1；The leakage control instrument 1 of terminal pipe network used in the present embodiment is by patent of invention
(2012104701317) technology develops, and terminal pipe network leakage control instrument 1 is arranged close on the pipeline of import, for detecting
Interconnected pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7 integrally whether there is leak source, and detection pipeline section A4, pipeline section B5,
Pipeline section C6 and pipeline section D7 whether there is leak source respectively；Valve A2 is mounted on pipeline section A4 and the junction pipeline section B5, for controlling pipeline section
A4 or pipeline section B5 leaks whether control instrument 1 is connected to terminal pipe network；Valve B3 is mounted on pipeline section B5, pipeline section C6 is connected with pipeline section D7 three
Whether place, be connected to for controlling pipeline section B5 and pipeline section C6 and pipeline section B5 with pipeline section D7；Terminal valve A8, terminal valve B9 and
Whether the outlet that terminal valve C10 is respectively used to control pipeline section A4, pipeline section C6 and pipeline section D7 is closed.
Firstly, control valve A2 and valve B3 so that pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7 with terminal pipe network
Leakage control instrument 1 is connected, and then leaks control instrument 1 using terminal pipe network and carries out detecting whether exist to interconnected whole terminal pipe network
Leak source first assumes only one leak source, but can not determine this at this time after terminal pipe network, which leaks control instrument 1, detects the presence of leak source
The position of a leak source, is likely to that there are the leak sources on pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7；Assume again that the leak source
On pipeline section D7, terminal network topology according to figure 1, control valve B3, so that pipeline section A4, pipeline section B5 and pipeline section C6
Control instrument 1 is leaked with terminal pipe network to be connected, and pipeline section D7 does not leak control instrument 1 with terminal pipe network and is connected to, and is leaked again using terminal pipe network
Control instrument 1 carries out detecting whether that there are leak sources to interconnected pipeline section A4, pipeline section B5 and pipeline section C6, if leak source is not detected,
Due to having detected that leak source exists before, illustrates that the leak source is necessarily on pipeline section D7, demonstrate ours it is assumed that such pass through
Valve adjustment and leak source detection twice are assured that the pipeline section where leak source.When assuming that leak source is not on pipeline section D7,
Or when leak source more than one, equally by control valve A2 and valve B3, change pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7
The connectivity of control instrument 1 is leaked with terminal pipe network, then the pipeline section communicated therewith is detected with the presence or absence of leakage by terminal pipe network leakage control instrument 1
Point, and then determine pipeline section locating for leak source, in order to reduce valve adjustment number and leak source detection number, improve detection efficiency, valve
The adjusting sequence and regulative mode of door A2 and valve B3 needs to carry out reasonable arrangement according to the topological structure of terminal pipe network.
The embodiment of the invention also provides a kind of terminal pipe network leak source segmented rough localization method, this method can use this
The terminal pipe network leak source segmented rough positioning device that embodiment provides is implemented, but is not limited to be segmented using above-mentioned terminal pipe network leak source
Formula rough positioning device is implemented, and can also be implemented by other component and component combination.
In terminal pipe network leak source segmented rough localization method provided in this embodiment, terminal conduit is equipped with terminal pipe network on the net
Leakage control instrument 1 and valve A2, valve B3, and terminal pipe network leakage control instrument 1 is arranged close on the pipeline of import, it is provided in this embodiment
Terminal pipe network is made of pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7, and topological structure is as shown in Figure 1.
Method includes the following steps:
Step 1: terminal pipe network leakage control instrument 1, valve A2 and valve B3 are mounted on terminal conduit online, terminal pipe network leakage
Control instrument 1 is arranged close on the pipeline of import, and valve A2 and valve B3 are in the open state, guarantees pipeline section A4, pipeline section B5, pipeline section
C6 and pipeline section D7 leaks control instrument 1 with terminal pipe network and is connected；
Step 2: leaking control instrument 1 to the whole of interconnected pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7 using terminal pipe network
Body carries out detecting whether that there are leak sources；
Step 3: when detect interconnected pipeline section A4, pipeline section B5, pipeline section C6 and pipeline section D7 there are after leak source, regulating valve
Door B3 so that pipeline section A4, pipeline section B5 and pipeline section C6 with terminal pipe network leak control instrument 1 be connected, and pipeline section D7 not with terminal pipe network
Leakage control instrument 1 is connected to, i.e., terminal pipe network is divided into two parts, a part is pipeline section A4, pipeline section B5 and pipeline section C6, and another part is pipe
Section D7；
Step 4: leaking control instrument 1 using terminal pipe network again and interconnected pipeline section A4, pipeline section B5 and pipeline section C6 are examined
It surveys and whether there is leak source, if leak source is not detected, it may be determined that leak source is on pipeline section D7；
Step 5: if detecting that leak source exists in step 4, leak source is possible to be in pipeline section A4, pipeline section B5 or pipeline section C6
On, control valve A2, so that pipeline section A4 individually leaks control instrument 1 with terminal pipe network and is connected to；
Step 6: leaking control instrument 1 using terminal pipe network again and pipeline section A4 is carried out to detect whether that there are leak sources, if detected
Leak source, it may be determined that leak source is on pipeline section A4；
Step 7: if leak source presence is not detected in step 6, leak source is possible to be on pipeline section B5 or pipeline section C6, adjusts
Valve A2 is saved, so that pipeline section B5 individually leaks control instrument 1 with terminal pipe network and is connected to；
Step 8: leaking control instrument 1 using terminal pipe network again and pipeline section B5 is carried out to detect whether that there are leak sources, if detected
Leak source, it may be determined that leak source is on pipeline section B5, if leak source is not detected, it may be determined that leak source is on pipeline section C6.
In conclusion terminal pipe network leak source segmented rough positioning device provided by the invention and localization method can kept
In the case that cost is relatively low, according to the topological structure of detected terminal pipe network, pipe locating for leak source is accurately judged much sooner
Section, facilitates maintenance personal is subsequent to be accurately positioned to leak source, can greatly reduce excavation area, so that maintenance cost is reduced,
Reduce the economic loss of family, enterprise and its society.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (5)
1. a kind of terminal pipe network leak source segmented rough positioning device, which is characterized in that including terminal pipe network leakage control instrument and more
A valve；Terminal pipe network leakage control instrument for being mounted on pipeline, and terminal pipe network leakage control instrument close to terminal pipe network into
At mouthful, to detect the terminal pipe network with the presence or absence of leak source；The multiple valve is mounted on pipeline, is used for end detected
End pipe net is segmented；
The terminal pipe network is not detected there are when leak source when the terminal pipe network leaks control instrument, the multiple valve is in unlatching
State detects that the terminal pipe network is deposited when the terminal pipe network leaks control instrument to guarantee the whole connectivity of the terminal pipe network
In leak source, certain valves in the multiple valve are closed, the terminal pipe network is segmented；Then the terminal pipe network
Leakage control instrument pair leaks the pipeline section that control instrument is connected with the terminal pipe network and detects, and judges the pipeline section with the presence or absence of leak source；Again
The switch state for adjusting certain valves makes other pipeline sections leak control instrument with the terminal pipe network and is connected to, utilizes the terminal conduit again
Net leakage control instrument detection communicates therewith pipeline section and whether there is leak source, and so on, until finding pipeline section locating for all leak sources.
2. terminal pipe network leak source segmented rough positioning device according to claim 1, which is characterized in that the multiple valve
For manually-operated gate or electrically operated valve.
3. a kind of terminal pipe network leak source segmented rough localization method, which is characterized in that detected terminal pipe network is equipped with one
Terminal pipe network leakage control instrument and multiple valves, and terminal pipe network leakage control instrument, close to terminal pipe network entrance, this method step is such as
Under:
Step 1: it is online that terminal pipe network leakage control instrument and multiple valves being mounted on detected terminal conduit, and the multiple valve
It is in open state, to guarantee the whole connectivity of the terminal pipe network；
Step 2: detecting whole terminal pipe network using terminal pipe network leakage control instrument whether there is leak source；
Step 3: detecting terminal pipe network, there are the certain valves after leak source, closed in the multiple valve, by the terminal conduit
Net is segmented；
Step 4: leaking control instrument using terminal pipe network and the pipeline section being connected with terminal pipe network leakage control instrument after segmentation is examined
It surveys, judges the pipeline section with the presence or absence of leak source；
Step 5: readjusting the switch state of certain valves in the multiple valve, make other pipeline sections and the terminal pipe network
Instrument connection is controlled in leakage, and communicating therewith pipeline section using terminal pipe network leakage control instrument detection again whether there is leak source, and so on, directly
To finding pipeline section locating for all leak sources.
4. terminal pipe network leak source segmented rough localization method according to claim 3, which is characterized in that the multiple valve
Type, installation site and number according to be detected terminal pipe network topological structure determine.
5. terminal pipe network leak source segmented rough localization method according to claim 3, which is characterized in that the multiple valve
The adjustment sequence and adjustment mode of switch state are determined according to the topological structure for being detected terminal pipe network.
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| CN114593375A (en) * | 2022-03-30 | 2022-06-07 | 常州通用自来水有限公司 | Secondary water supply community pipeline leakage monitoring and positioning method based on pump house energy consumption |
| CN116735103A (en) * | 2023-08-15 | 2023-09-12 | 广东绘宇智能勘测科技有限公司 | Water supply pipe leakage detection method and system |
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