阅读说明：本技术 一种城市供水管网漏损在线监测系统 (Urban water supply pipe network leakage on-line monitoring system ) 是由 曹宇恒 胡育成 童敏 于 2021-09-10 设计创作，主要内容包括：本发明公开了一种城市供水管网漏损在线监测系统,包括管网供水模块、有效供水模块、非法用水模块、表观漏损供水模块、实漏损水量模块、漏损定位单元、漏损点统计模块、消防模块、检索模块,管网供水模块用于记录城市一年的总供水量,并将总供水量标记为,有效供水模块用于获取售水台账数据,售水台账数据为当年需缴纳费用的水量数据标记为Q,非法用水模块用于统计非法用户用水量、计量设备误差水量；本发明可通过城市的年供水总量减去表观漏损水量、需缴纳费用的有效水量、年消防用水量能够得到该城市一年的实际漏损量,数据更加可靠,与实际情况的吻合度更高。(The invention discloses an urban water supply pipe network leakage online monitoring system which comprises a pipe network water supply module, an effective water supply module, an illegal water supply module, an apparent leakage water supply module, an actual leakage water quantity module, a leakage positioning unit, a leakage point statistical module, a fire fighting module and a retrieval module, wherein the pipe network water supply module is used for recording the total water supply quantity of a city in one year and marking the total water supply quantity as the total water supply quantity)

1. An urban water supply pipe network leakage online monitoring system is characterized by comprising a pipe network water supply module, an effective water supply module, an illegal water supply module, an apparent leakage water supply module, an actual leakage water quantity module, a leakage positioning unit, a leakage point counting module, a fire fighting module and a retrieval module;

the pipe network water supply module is used for recording the total water supply of the city in one year and marking the total water supply as Q_zThe utility model discloses a fire control system, effective water supply module is used for acquireing sells water standing still data, sell water standing still data and mark as Q for the water data mark of the needs expense of paying of this year, illegal water module is used for statistics illegal user water consumption, metering device error water yield, the fire control module is used for acquireing urban fire control system annual fire water mark as K, the statistics step of illegal user water consumption includes:

the method comprises the following steps: counting the water consumption of illegal users in the current year;

step two: will be illegalThe total annual water consumption of the user is marked as E₁；

The statistics of the error water amount of the metering equipment is to calculate the initial metering error of the water meter, and the calculation formula is E₂＝N₂₁*Q₂₁Wherein E is₂For initial measurement error of water meter, N₂₁For measuring the error difference coefficient, obtained by measuring the amount of dripping water per unit time by means of a water meter, Q₂₁The annual water sale amount of unit users;

the apparent water leakage quantity module is used for acquiring data of the illegal water use module and obtaining the data according to a formula E ═ E₁+E₂Obtaining apparent leakage water quantity;

the actual water leakage quantity module is used for acquiring data of the apparent water leakage quantity module, the fire fighting module, the effective water supply module and the pipe network water supply module and obtaining data of the apparent water leakage quantity module, the fire fighting module, the effective water supply module and the pipe network water supply module through a formula Q_L＝Q_z-Q-E-K to obtain the actual leakage water volume of the pipe network in one year;

leakage positioning unit arranges on the delivery pipe network, and leakage positioning unit includes pressure sensor and locator, the prestore has corresponding positional information in the locator, when the pipeline takes place to leak, thereby can arouse transient state pressure abrupt drop to produce the negative pressure wave in the department of revealing to this negative pressure wave can make progress low reaches propagate, and the pressure sensor that is located this negative pressure wave within range can catch the transient state pressure wave and trigger the locator that corresponds, gives leakage point statistics module with positional information transmission through the locator, carries out water supply leakage point statistics by leakage point statistics module.

2. The system according to claim 1, wherein the leakage point counting module is configured to obtain information of the positioner, and count the number of water supply leakage points according to the positioner fed back with the information.

3. The urban water supply pipe network leakage online monitoring system according to claim 1, wherein the leakage point statistics module is further configured to perform classification statistics according to information of the locator, and the specific classification statistics step includes:

r01: performing parent-level area division according to the feedback information, dividing a locator containing an A typeface in the area information into an A area, dividing a locator containing a B typeface in the area information into a B area, and so on;

r02; performing sublevel street division on the locators in the area A, dividing the locators containing the a-shaped patterns in the street into a street a, dividing the locators containing the b-shaped patterns in the street into b street, and repeating the steps in the same way, thereby completing the classification of the leakage area and the leakage street;

r03: and carrying out corresponding quantity statistics on each leakage area and each leakage street.

4. The system of claim 1, wherein the retrieval module is configured to search for a leakage point, retrieve locator information under the a area when the user retrieval information is "a", further retrieve streets under the a area, and retrieve actual content of the search for a locator of a street under the a area when the user retrieval information is "a", the same process as for the B area retrieval, and so on.

5. The urban water supply pipe network leakage online monitoring system according to claim 1, wherein the leakage positioning unit further comprises a pressure simulator, the pressure simulator is configured to output a pressure signal to the pressure sensor in a simulation manner, when the pressure sensor receives the pressure signal, the pressure simulator triggers the corresponding positioner, the positioner transmits position information to the leakage point statistics module, the leakage point statistics module matches the positioner of the feedback information with all positioners reserved in advance, if the matching is unsuccessful, the positioner is regarded as a defective point, and the leakage point statistics module performs positioner defective point statistics.

Technical Field

The invention relates to the field of leakage monitoring of water supply networks, in particular to an online leakage monitoring system for an urban water supply network.

Background

With the continuous development of global economy and the increasing population, the demand of water resources is continuously increased, the economic value and the social value of water used as a necessity for people's life and industrial and agricultural production are increasingly improved, while the urban water supply system used as a water supply guarantee is an irreplaceable important position, however, along with the aging of partial equipment of a water supply network, the improvement of the technology and the management level is relatively delayed, the leakage problem of the pipe network is increasingly prominent, and the urban water supply system becomes one of key factors influencing the water supply safety and quality, and brings hidden troubles to the normal operation of the whole city.

The leakage monitoring system of the existing water supply network has the defects of large error of the leakage water quantity of monitoring statistics, low reliability and low truth, cannot position and track leakage points, cannot carry out reasonable maintenance planning according to the distribution of the leakage points, and lacks of regular self-checking.

Disclosure of Invention

The invention aims to provide an urban water supply network leakage online monitoring system in order to solve the problems that the existing water supply network leakage monitoring system is large in error of the water leakage amount of monitoring statistics, low in reliability and reality degree, incapable of positioning and tracking leakage points, incapable of reasonably maintaining and planning according to the distribution of the leakage points and lacking in regular self-checking.

The purpose of the invention can be realized by the following technical scheme: an online leakage monitoring system for an urban water supply pipe network comprises a pipe network water supply module, an effective water supply module, an illegal water use module, an apparent leakage water supply module, an actual leakage water quantity module, a leakage positioning unit, a leakage point counting module, a fire fighting module and a retrieval module;

the pipe network water supply module is used for recording the total water supply of the city in one year and marking the total water supply as Q_zThe utility model discloses a fire control system, effective water supply module is used for acquireing sells water standing still data, sell water standing still data and mark as Q for the water data mark of the needs expense of paying of this year, illegal water module is used for statistics illegal user water consumption, metering device error water yield, the fire control module is used for acquireing urban fire control system annual fire water mark as K, the statistics step of illegal user water consumption includes:

the method comprises the following steps: counting the water consumption of illegal users in the current year;

step two: marking the total water consumption of illegal users in one year as E₁；

The statistics of the error water amount of the metering equipment is to measure the initial movement of the water meterThe error is calculated by the formula E₂＝N₂₁*Q₂₁Wherein E is₂For initial measurement error of water meter, N₂₁For measuring the error difference coefficient, obtained by measuring the amount of dripping water per unit time by means of a water meter, Q₂₁The annual water sale amount of unit users;

the apparent water leakage quantity module is used for acquiring data of the illegal water use module and obtaining the data according to a formula E ═ E₁+E₂Obtaining apparent leakage water quantity;

the actual water leakage quantity module is used for acquiring data of the apparent water leakage quantity module, the fire fighting module, the effective water supply module and the pipe network water supply module and obtaining data of the apparent water leakage quantity module, the fire fighting module, the effective water supply module and the pipe network water supply module through a formula Q_L＝Q_z-Q-E-K to obtain the actual leakage water volume of the pipe network in one year;

leakage positioning unit arranges on the delivery pipe network, and leakage positioning unit includes pressure sensor and locator, the prestore has corresponding positional information in the locator, when the pipeline takes place to leak, thereby can arouse transient state pressure abrupt drop to produce the negative pressure wave in the department of revealing to this negative pressure wave can make progress low reaches propagate, and the pressure sensor that is located this negative pressure wave within range can catch the transient state pressure wave and trigger the locator that corresponds, gives leakage point statistics module with positional information transmission through the locator, carries out water supply leakage point statistics by leakage point statistics module.

Further, the method comprises the following steps: and the leakage point counting module is used for acquiring the information of the positioner and counting the number of the water supply leakage points according to the positioner of the feedback information.

Further, the method comprises the following steps: the leakage point statistical module is also used for carrying out classification statistics according to the information of the locator, and the specific classification statistics step comprises the following steps:

r01: performing parent-level area division according to the feedback information, dividing a locator containing an A typeface in the area information into an A area, dividing a locator containing a B typeface in the area information into a B area, and so on;

r02; performing sublevel street division on the locators in the area A, dividing the locators containing the a-shaped patterns in the street into a street a, dividing the locators containing the b-shaped patterns in the street into b street, and repeating the steps in the same way, thereby completing the classification of the leakage area and the leakage street;

r03: and carrying out corresponding quantity statistics on each leakage area and each leakage street.

Further, the method comprises the following steps: the retrieval module is used for searching for the leakage points, retrieving the locator information under the area A when the user retrieval information is 'A', further retrieving the streets under the area A by the user, retrieving the actual contents of the locator of the street under the area A when the user retrieval information is 'a', and similarly retrieving the area B and analogizing in sequence.

Further, the method comprises the following steps: leakage positioning unit still includes pressure simulator, pressure simulator is used for simulating output pressure signal to pressure sensor, can trigger corresponding locator when pressure sensor receives pressure signal, and the locator gives leakage point statistics module with positional information transfer, and leakage point statistics module can match this time feedback information's locator and all locators that remain in advance, matches and then regards as the locator bad point unsuccessfully, carries out locator bad point statistics by leakage point statistics module, and wherein the frequency that pressure simulator started is once for half a year.

Compared with the prior art, the invention has the beneficial effects that:

1. leakage positioning unit arranges on the delivery pipe net, can real-time supervision negative pressure wave, when the negative pressure wave appears, can feed back positioning information to water supply leakage point fast to realize the tracking location of pipeline leakage point fast.

2. The problem pipelines related to the problem pipelines are classified according to the position information, and further the quantity statistics is carried out, so that the personnel can be reasonably planned according to the information of the regional quantity when maintenance preparation is carried out, and the method is more practical.

3. The actual leakage loss of the city in one year can be obtained by subtracting the apparent leakage loss water quantity, the effective water quantity of the required payment fee and the annual fire-fighting water consumption from the annual water supply total quantity of the city, the data is more reliable, and the goodness of fit with the actual condition is higher.

4. The pressure sensor has a self-checking function, can be regularly simulated by a pressure simulator to output pressure signals to the pressure sensor, triggers the corresponding locator to feed back information to the leakage point counting module, is uniformly checked by the leakage point counting module, and calls out the locator which is not successfully matched, so that the leakage positioning unit with problems can be quickly checked.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a system framework diagram of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an online leakage monitoring system for an urban water supply pipe network comprises a pipe network water supply module, an effective water supply module, an illegal water use module, an apparent leakage water supply module, an actual leakage water quantity module, a leakage positioning unit, a leakage point statistical module, a fire fighting module and a retrieval module;

the pipe network water supply module is used for recording the total water supply of the city in one year and marking the total water supply as Q_zThe effective water supply module is used for acquireing the platform account data of selling water, and the water volume data mark that the platform account data of selling water need collect fee for the current year is Q, and illegal water module is used for making statistics of illegal user water consumption, metering device error water yield, and the fire control module is used for acquireing the annual fire control water mark of urban fire-fighting system and is K, and the statistics step of illegal user water consumption includes:

the method comprises the following steps: counting the water consumption of illegal users in the current year;

step two: marking the total water consumption of illegal users in one year as E₁；

The statistics of the error water quantity of the metering equipment is to calculate the initial metering error of the water meter, and the calculation formula is E₂＝N₂₁*Q₂₁Wherein E is₂For initial measurement error of water meter, N₂₁For measuring the error difference coefficient, obtained by measuring the amount of dripping water per unit time by means of a water meter, Q₂₁The annual water sale amount of unit users;

the apparent water leakage quantity module is used for acquiring data of the illegal water use module and obtaining the data through a formula E ═ E₁+E₂Obtaining apparent leakage water quantity;

the actual water leakage quantity module is used for acquiring data of the apparent water leakage quantity module, the fire fighting module, the effective water supply module and the pipe network water supply module and adopts a formula Q_L＝Q_z-Q-E-K to obtain the actual leakage water volume of the pipe network in one year;

leakage locating element arranges on the delivery pipe network, and leakage locating element includes pressure sensor and locator, the prestore has corresponding positional information in the locator, when the pipeline takes place to leak, thereby can arouse transient state pressure abrupt drop to produce the negative pressure wave in the department of revealing, and this negative pressure wave can propagate to the low reaches, the pressure sensor who is located this negative pressure wave within range can catch transient state pressure wave and trigger the locator that corresponds, transmit positional information for leakage point statistics module through the locator, supply water leakage point statistics by leakage point statistics module.

The leakage point counting module is used for acquiring the information of the positioner and counting the number of the water supply leakage points according to the positioner of the feedback information, the leakage point counting module is also used for carrying out classification counting according to the information of the positioner, and the specific classification counting step comprises the following steps:

r01: performing parent-level area division according to the feedback information, dividing a locator containing an A typeface in the area information into an A area, dividing a locator containing a B typeface in the area information into a B area, and so on;

r02; performing sublevel street division on the locators in the area A, dividing the locators containing the a-shaped patterns in the street into a street a, dividing the locators containing the b-shaped patterns in the street into b street, and repeating the steps in the same way, thereby completing the classification of the leakage area and the leakage street;

r03: carrying out corresponding quantity statistics on each leakage area and each leakage street;

the retrieval module is used for searching for missing points, retrieving locator information under the area A when the user retrieval information is 'A', further retrieving streets under the area A by the user, and retrieving the actual contents of the searched locators of the streets under the area A when the user retrieval information is 'a', wherein the area B is the same as the area A in the same manner, and so on;

the leakage positioning unit also comprises a pressure simulator, the pressure simulator is used for simulating and outputting pressure signals to the pressure sensor, when the pressure sensor receives the pressure signals, the corresponding positioner is triggered, the positioner transmits position information to the leakage point counting module, the leakage point counting module matches the positioner of the feedback information with all the positioners reserved in advance, if the matching is unsuccessful, the positioner is regarded as a positioner dead point, the leakage point counting module counts the dead points of the positioner, wherein the starting frequency of the pressure simulator is half a year, the starting time of each time is 3 am, the pressure sensor sends a signal to the corresponding pressure sensor at the time point, the recording point of the leakage point counting module is started from 3 points and then is prolonged for 5 minutes and then is ended, namely, the time length of the recording of the leakage point counting module is 5 minutes, the dead point of the leakage positioning unit is counted within the 5 minutes, the counting is not recorded in the water supply leakage point counting, after more than five minutes, the leakage positioning unit still sends data to the leakage point counting module, the data are recorded to the water supply leakage point counting by the leakage positioning unit, and the data in the actual leakage water quantity module and the leakage point counting module are finally fed back to the background in a unified mode.

When the invention is used, the annual total water supply quantity, the apparent leakage water quantity, the effective water quantity for paying the cost and the annual fire fighting water consumption of a city are respectively obtained, the apparent leakage water quantity, the effective water quantity for paying the cost and the annual fire fighting water consumption are subtracted from the annual total water supply quantity of the city, the actual leakage quantity of the city in one year can be obtained, the invention also has the self-checking function, a pressure simulator can regularly simulate and output a pressure signal to a pressure sensor, a corresponding positioner is triggered to feed back information to a leakage point statistical module, the leakage point statistical module uniformly checks and takes out the positioner which is not successfully matched, thereby being capable of quickly checking the leakage positioning unit with problems, wherein the leakage positioning unit is arranged on a water supply pipe network and is capable of monitoring negative pressure waves in real time, when the negative pressure waves occur, the positioning information can be quickly fed back to the water supply leakage point, thereby quickly realizing the tracking and positioning of the pipeline leakage point, and still classify the relevant problem pipeline according to positional information to further make quantity statistics, when making the maintenance preparation, can be according to the information of regional quantity, the reasonable personnel of planning, it is more practical.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.