CN210800732U - Water supply network leakage detection equipment and system - Google Patents
Water supply network leakage detection equipment and system Download PDFInfo
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- CN210800732U CN210800732U CN201921297010.0U CN201921297010U CN210800732U CN 210800732 U CN210800732 U CN 210800732U CN 201921297010 U CN201921297010 U CN 201921297010U CN 210800732 U CN210800732 U CN 210800732U
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Abstract
The application relates to a water supply network leakage detection equipment and system, water supply network leakage detection equipment includes processing circuit, narrowband thing networking communication device, pressure measurement and ultrasonic flow detection device. The narrow-band Internet of things communication device, the pressure detection device and the ultrasonic flow detection device are all in signal connection with the processing circuit. The pressure detection device is used for detecting the pressure of water flow in the water supply pipe network, and the ultrasonic flow detection device is used for detecting the flow of the water flow in the water supply pipe network. The application provides water supply network leakage check out test set leakage detects the precision height.
Description
Technical Field
The application relates to the field of water supply equipment, in particular to water supply pipe network leakage detection equipment and system.
Background
With the development and deepening of social concepts of resource conservation and environmental friendliness, the conservation and reasonable utilization of water resources become social consensus. However, water supply networks are prone to leakage due to aging, surrounding construction, unstable water pressure, and the like. The water leakage of the water supply network not only can influence the life of people and waste precious water resources, but also can cause great economic loss to water supply enterprises. Therefore, water supply pipe network leakage has become the hot spot problem that the water supply trade is being paid close attention to, becomes a problem that needs to solve promptly and accurately to water supply pipe network leakage detection.
The water supply network detection device in the prior art mainly detects the pressure and the flow of water flow in a water pipe through a pressure sensor, a water meter and the like, and a processing circuit judges whether the water supply network has leakage or not according to the pressure and the flow of the water flow.
However, the water supply network detection device has a problem that the detection accuracy is not high enough.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a water supply pipe network leakage detecting apparatus and system.
A water supply network leak detection apparatus comprising:
a processing circuit;
the narrow-band Internet of things communication device is in signal connection with the processing circuit;
the pressure detection device is in signal connection with the processing circuit and is used for detecting the pressure of water flow in the water supply pipe network;
and the ultrasonic flow detection device is in signal connection with the processing circuit and is used for detecting the flow of water flow in the water supply pipe network.
In one embodiment, the ultrasonic flow detection device is an ultrasonic time-of-flight flow sensor.
In one embodiment, the ultrasonic flow detecting device includes:
a pulse generator for generating an ultrasonic pulse signal;
the forward sensor is used for acquiring the forward propagation time of the ultrasonic pulse signal in the water supply pipe network;
the reverse sensor is used for acquiring the reverse propagation time of the pulse signal in the water supply pipe network;
and the flow calculation circuit is in signal connection with the forward sensor and the reverse sensor, is in signal connection with the processing circuit, and is used for calculating the flow of water flow in the water supply pipe network according to the forward propagation time and the reverse propagation time.
In one embodiment, the water supply network leakage detecting apparatus further comprises:
and the pipeline control device is in signal connection with the processing circuit and is used for controlling the connection and the disconnection of the water supply pipe network.
In one embodiment, the conduit control device is a ball valve.
In one embodiment, the water supply network leakage detecting apparatus further comprises:
and the alarm device is in signal connection with the processing circuit and is used for giving an alarm when the water supply pipe network is leaked.
In one embodiment, the water supply network leakage detecting apparatus further comprises:
a battery electrically connected with the processing circuit.
In one embodiment, the processing circuit comprises:
the low-power-consumption microprocessor is in signal connection with the narrow-band Internet of things communication device, the pressure detection device and the ultrasonic flow detection device;
and the auxiliary circuit is electrically connected with the low-power-consumption microprocessor.
A water supply network leak detection system, comprising:
a water supply network leak detection device as described above;
the base station is in communication connection with the narrow-band Internet of things communication device;
and the server is in communication connection with the base station.
In one embodiment, the water supply network leak detection system further comprises:
and the terminal is in communication connection with the base station.
The embodiment of the application provides in water supply network leakage check out test set and the system, water supply network leakage check out test set includes processing circuit narrowband thing networking communication device pressure detection device with ultrasonic flow detection device. The narrow-band Internet of things communication device, the pressure detection device and the ultrasonic flow detection device are all in signal connection with the processing circuit. The ultrasonic flow detection device realizes flow detection through an ultrasonic principle, can realize high-precision and wide-range measurement, has high flow measurement precision, and provides accurate flow detection results for the processing circuit, thereby improving the accuracy of leakage detection results. In addition, narrowband thing networking communication device can realize water supply network leakage detection equipment and other equipment's communication connection, have the characteristics such as cover extensively, connect many, fast, with low costs, low power dissipation, framework excellence.
Drawings
FIG. 1 is a schematic structural diagram of a water supply network leakage detection device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of an ultrasonic testing apparatus according to an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating an operation of an ultrasonic testing apparatus according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a water supply network leakage detection device according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a water supply network leak detection system according to an embodiment of the present disclosure;
FIG. 6 is a graph of water levels provided in accordance with an embodiment of the present application.
Description of reference numerals:
water supply network leakage detection system 1
Water supply network leakage detection equipment 10
Narrowband thing networking communication device 200
Ultrasonic flow detection device 400
Reverse sensor 430
Flow calculation circuit 440
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clearly apparent, the water supply pipe network leakage detecting device and system of the present application are further described in detail by embodiments and with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, the present application provides a water supply network leakage detecting device 10, wherein the water supply network leakage detecting device 10 is used for detecting the leakage of the water supply network. The water supply pipe network leakage detection device 10 includes a processing circuit 100, a Narrow-Band Internet of Things (NB-Iot) communication device (hereinafter referred to as NB-Iot communication device) 200, a pressure detection device 300, and an ultrasonic flow detection device 400. The NB-Iot communication device 200, the pressure detection device 300, and the ultrasonic flow detection device 400 are all in signal connection with the processing circuit 100.
The pressure detecting device 300 may be disposed on an inner wall of a water pipe of the water supply pipe network, and is configured to detect a pressure of water flow of the water supply pipe network. The pressure detection device 300 may be a semiconductor pressure sensor, a strain gauge pressure sensor, a ceramic pressure sensor, a sapphire pressure sensor, or other types of pressure sensors, and the specific structure, model, etc. of the pressure detection device 300 are not limited in any way as long as the functions thereof can be realized.
The ultrasonic flow rate detection device 400 is used for detecting the flow rate of water flow in the water supply pipe network. The ultrasonic flow rate detection device 400 is a device for measuring and calculating a flow rate by an ultrasonic principle. The ultrasonic flow detection apparatus 400 may include a transmitting probe for transmitting an ultrasonic signal and a receiving probe for receiving the ultrasonic signal transmitted by the transmitting probe. The structure, model, etc. of the ultrasonic flow rate detection apparatus 400 are not limited, and the flow rate may be measured and calculated by an ultrasonic principle. Compared with the traditional flow detection devices such as water meters, the ultrasonic flow detection device 400 realizes flow detection based on the ultrasonic principle, can realize high-precision and wide-range measurement, and has high measurement precision.
The processing circuit 100 is configured to receive the water flow pressure signal of the water supply network sent by the pressure detection device 300 and the water flow signal sent by the ultrasonic flow detection device 400, and calculate and determine whether the water supply network has a leakage and/or a type of leakage according to the water flow pressure signal and the water flow signal.
In one possible embodiment, the processing circuit 100 calculates the method of determining whether a leak exists and/or the type of leak in the water supply network based on the flow pressure signal and the flow rate signal as follows:
the leakage type of water supply network can include burst pipe, drip and leakage three kinds, establishes ultrasonic flow detection device 400 detects the rivers flow that obtains and is F, the rivers pressure that pressure detection device 300 detected and obtains is P, then processing circuit 100 judges the type process of leakage as follows:
a. when F > M1 is detected in the continuous T1 time period and the pressure reduction is less than or equal to X, namely continuous large flow, leakage occurs in the water supply pipe network, and the leakage type is pipe burst. Wherein M1 is a first preset flow threshold, M1 units are (liters/hour), and X is a preset pressure decrease threshold;
b. when M2< F < M3 is detected for a period of time T3, a leak occurs in the water supply network, and the type of leak is a drip leak. Wherein, M2 is the second preset flow threshold, M3 is the third preset flow threshold, and the units of M2 and M3 are both (liter/hour).
c. When F >0 is detected and F < M4 is detected for a period of time T5, i.e., water flow is detected and the drip level is not reached, then a leak occurs in the water supply network and the type of leak is a leak. Wherein M4 is a fourth preset flow threshold.
It should be noted that the above is one possible implementation way for the processing circuit 100 to process and determine the water supply network leakage. The present application is intended to protect the structure of the water supply network leakage detecting device 10, and the specific processing method and processing procedure of the processing circuit 100 are not limited in any way. It is because of the components and connections of the water supply network leak detection apparatus 10 in the embodiment of the present application that the various processes and methods of the processing circuit 100 can be implemented.
The NB-Iot communications apparatus 200 is configured to communicate with other networks. For example, the NB-Iot communication device 200 can implement communication connection between the water supply pipe network leakage detection device 10 and a base station, and further implement communication connection with a cloud server and/or a terminal. The NB-Iot communication apparatus 200 refers to an apparatus that enables communication by NB-Iot technology. NB-Iot is a narrow-band Internet of things of 3GPP (3rd Generation Partnership Project) standard with a bandwidth of 180 KHz. NB-Iot is deployed in existing GSM (2G) and LTE (4G) networks. The NB-Iot communication distance is long, networking can be performed as long as terminal signals exist, local configuration is not needed, and the method is very convenient. The NB-IoT focuses on the low power consumption and wide coverage (LPWA) Internet of things (IoT) market, and has the characteristics of wide coverage, more connections, high speed, low cost, low power consumption, excellent architecture and the like.
The processing circuit 100 transmits data such as the flow rate, the pressure of the water in the water supply network and the result of the processing circuit 100 judging the leakage to the NB-Iot communication device 200. The NB-Iot communication device 200 further transmits data to the cloud server and/or the terminal through the base station, so that the cloud server can further analyze, evaluate and determine leakage according to the data. The results of the analysis, evaluation and determination by the cloud server may be further sent to the terminal. The terminal can push the leakage result to the user.
In this embodiment, the water supply network leakage detecting apparatus 10 includes the processing circuit 100, the NB-Iot communication device 200, the pressure detecting device 300, and the ultrasonic flow detecting device 400. The NB-Iot communication device 200, the pressure detection device 300, and the ultrasonic flow detection device 400 are all in signal connection with the processing circuit 100. The ultrasonic flow detection device 400 realizes flow detection by an ultrasonic principle, can realize high-precision and wide-range measurement, and has high flow measurement precision, so that the processing circuit 100 provides an accurate flow detection result, and the accuracy of a leakage detection result is improved. In addition, the NB-Iot communication device 200 can implement communication connection between the water supply network leakage detection device 10 and other devices, and has the characteristics of wide coverage, multiple connections, high speed, low cost, low power consumption, excellent architecture, and the like.
In one embodiment, the ultrasonic flow detection device 400 is an ultrasonic Time of flight (TOF) flow sensor, i.e., a device that utilizes ultrasonic Time of flight measurements for flow detection. In some specific embodiments, the ultrasonic time-of-flight flow sensor may be of the type: TIDM-1019.
Referring to fig. 2, in one embodiment, the ultrasonic flow detection device 400 includes a pulse generator 410, a forward sensor 420, a reverse sensor 430, and a flow calculation circuit 440. The forward direction sensor 420 and the reverse direction sensor 430 are each in signal communication with the flow calculation circuit 440. The pulse generator 410 is used for generating an ultrasonic pulse signal. The forward direction sensor 420 and the reverse direction sensor 430 may be disposed in the pipes of the water supply network. The forward sensor 420 is configured to collect a forward propagation time of the ultrasonic pulse signal in the water supply pipe network, and the reverse sensor 430 is configured to collect a reverse propagation time of the pulse signal in the water supply pipe network. The flow calculating circuit 440 is configured to calculate the flow of the water flowing in the water supply pipe according to the forward propagation time and the backward propagation time. It should be noted that the flow calculating circuit 440 may be separately configured, or may be a part of the processing circuit 100. For example, the flow calculating circuit 440 and the processing circuit 100 share a single chip, and the single chip can calculate and determine whether a leakage condition exists in the water supply pipe network according to the water flow pressure signal and the water flow signal, and can calculate the flow of the water in the water supply pipe network according to the forward propagation time and the backward propagation time.
In one embodiment, the flow calculation circuit 440 includes a single chip microcomputer of model MSP430FR 6047.
Referring to fig. 3, the principle of the flow measurement of the ultrasonic TOF sensor is as follows:
as shown in fig. 3, the XDCR1 is the forward sensor 420, and the XDCR2 is the reverse sensor 430. T12 represents the forward propagation time, T21 represents the reverse propagation time, and L is the set distance between the forward sensor 420 and the reverse sensor 430. Since the length of L is much greater than the pipe radius r, the wave propagation length perpendicular to the water flow is negligible.
The water flow velocity V is calculated according to the following formula:
T12＝Lc+v (1)
T21＝Lc-v (2)
Δt＝T21-T12 (3)
wherein c is the speed of the ultrasonic wave in the medium, and v is the water flow speed.
By the formulas (1) to (3), the water flow velocity v can be calculated even if the velocity c of the ultrasonic wave in the medium is unknown. Formula (4) can be derived from formula (1) and formula (2):
the actual propagation times t12 and t21 of the ultrasonic pulse in both directions of the pipe cross-section of the water supply network can be calculated using equation (4).
The water flow rate can be further calculated from the calculated water velocity v.
In the above embodiments, the flow rate of the water flow in the water supply pipe network is detected and calculated through the ultrasonic TOF flow sensor, so that the speed of the water flow can be quickly and accurately calculated, the flow rate of the water flow can be accurately calculated, and the accuracy of leakage judgment is improved.
Referring to fig. 4, in one embodiment, the processing circuit 100 includes a low power microprocessor 110 and an auxiliary circuit 120. The auxiliary circuit 120 is electrically connected to the low power microprocessor 110. The low power consumption microprocessor 110 is in signal connection with the NB-Iot communication device 200, the pressure detection device 300, and the ultrasonic flow detection device 400. In a specific embodiment, the low power microprocessor 110 is model MSP430FR 6047.
Other structures of the water supply network leakage detecting device 10 will be further described with reference to the following embodiments.
With continued reference to fig. 4, in one embodiment, the water supply network leak detection apparatus 10 further comprises a pipeline control device 500. The pipeline control device 500 is in signal connection with the processing circuit 100. The pipe control device 500 is used for controlling the on and off of the water supply pipe network. The pipe control device 500 may be a valve structure. In one particular embodiment, the plumbing control 500 is a ball valve. The ball valve is in signal connection with the processing circuit 100, and the processing circuit 100 can control the state of the ball valve according to the leakage condition obtained through processing. For example, when the processing circuit 100 determines that a pipe burst occurs in the water supply network, the processing circuit 100 may control the ball valve to close after a time period of T2. Wherein T2 is a first preset duration. When the processing circuit 100 determines that the water supply network has a water drop, the processing circuit 100 may control the ball valve to close after a time period of T4. Wherein T4 is a second preset duration. When the processing circuit 100 determines that the water supply network is leaking, the processing circuit 100 may control the ball valve to close after a time period of T6. Wherein T6 is a third preset duration.
In this embodiment, the water supply network leakage detection device 10 is through set up in processing circuit 100 signal connection the pipeline control device 500 can realize right the automatic switch valve control of water supply network has improved intelligence, has reduced the loss of water resource.
In one embodiment, the water supply network leak detection apparatus 10 further comprises an alarm device 600. The alarm device 600 is in signal connection with the processing circuit 100. The alarm device 600 is used for giving an alarm when the water supply network is leaked. The alarm device 600 may be an audio alarm device, a photoelectric alarm device, or an audible and visual alarm device. The embodiment of the present application does not limit the specific structure, model, etc. of the alarm device 600. Through setting alarm device 600 for when the leakage appears, can in time inform the user, improved intelligence and practicality.
In one embodiment, the water supply network leak detection device 10 further includes a battery 700. The battery 700 is electrically connected to the processing circuit 100. The battery 700 is used to power the processing circuit 100. The type, structure, type, etc. of the battery 700 are not limited at all and may be selected according to actual requirements.
Referring to fig. 5, an embodiment of the present application further provides a water supply network leakage detecting system 1. The water supply network leakage detection system 1 comprises the water supply network leakage detection device 10, the base station 20 and the server 30 as described above. The NB-Iot communication device 200 is communicatively coupled to the base station 20, and the server 30 is communicatively coupled to the base station 20. The server 30 includes, but is not limited to, a cloud server. Water supply network leakage detection system 1 includes water supply network leakage check out test set 10 consequently has water supply network leakage check out test set 10's beneficial effect, no longer gives details here.
In one embodiment, the system 1 further comprises a terminal 40. The terminal 40 is communicatively connected to the base station 20. The terminal 40 may be a mobile phone, a notebook computer, an IPAD, or the like. The terminal 40 may be installed with an Application (APP). The communication between the user and the water supply network leakage detecting device 10 and the server 30 can be realized through the terminal 40.
In one embodiment, the operation and principle of the water supply network leakage detection system 1 is as follows:
the water supply network leakage detection device 10 uploads the flow rate, the flow velocity, the pressure and the leakage situation of the water flow of the water supply network and the water supply network leakage detection device 10 to the server 30 in real time through the NB-IOT communication device 200. The server 30 may further calculate and determine the leakage condition through an AI (Artificial Intelligence) algorithm.
The logic of the server 30 for determining the leakage through the AI algorithm is as follows: the server is to having networked water supply network leakage detection device 10 carries out regionalization, meshing management division, synthesizes the velocity of flow, the flow of rivers, the pressure of rivers that water supply network leakage detection device 10 uploaded in real time the leakage condition that water supply network leakage detection device 10 judged and the aspects such as historical water statistics of water supply network, user terminal's feedback constantly learn, through gradual iterative algorithm, judge the leakage condition, make server 30 is more and more accurate to analysis, prediction, the risk warning and the judgement of leakage.
Although the water supply network leakage detecting device 10 has the leakage judging function, the judging condition of the water supply network leakage detecting device 10 is usually fixed (program-solidified), and the leakage judging in all cases cannot be covered. The server 30 can flexibly and dynamically adjust the determination conditions and parameters, and is suitable for supplementing the leakage determination of the water supply network leakage detection device 10, that is, the leakage determination of the water supply network leakage detection device 10 is mainly used, and the leakage determination of the server 30 is supplemented.
Please refer to fig. 6, which illustrates the following: if a certain water pipe of the water supply network is broken due to aging, the water pipe is burst, but the burst degree is slight, the pressure value in the water pipe is reduced and is not reached to the condition that the water supply network leakage detection equipment 10 judges burst, and at the moment, the water supply network leakage detection equipment 10 possibly fails to judge. The server 30 may make a supplementary judgment according to the historical water usage habit of the user in combination with the current real-time data. As shown in fig. 6 below, after the user water consumption data is uploaded to the server 30 and plotted into a curve, it can be found that there is a certain regularity, T1, T2, T3 and T4 respectively indicate the water volume of the water pipe at a certain time interval during different days and nights, T1 and T2 are at normal level, and the water quantity is obviously increased at T3, the server 30 does not receive the tube burst information reported by the water supply network leakage detection equipment 10, but the suspected tube explosion is judged at the moment according to the formed water using habit of the user, so that a suspected tube explosion probability (such as 80%) is pushed to the user APP, after the user checks the water pipe according to the suspected tube explosion information, if the pipe explosion phenomenon is determined to exist, feedback is carried out at the APP end, the server 30 carries out recording and learning adjustment after receiving the APP feedback, that is, since the user confirms the judgment of the pipe burst under the current condition, the probability of judging the suspected pipe burst under the condition can be further increased (for example, to 85%). This determination is more accurate as the server 30 counts more water usage data and more user feedback.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a water supply network leakage detection equipment which characterized in that includes:
a processing circuit (100);
a narrowband internet of things communication device (200) in signal connection with the processing circuit (100);
the pressure detection device (300) is in signal connection with the processing circuit (100) and is used for detecting the pressure of water flow in the water supply network;
and the ultrasonic flow detection device (400) is in signal connection with the processing circuit (100) and is used for detecting the flow of water flow in the water supply pipe network.
2. The water supply network leak detection apparatus according to claim 1, wherein the ultrasonic flow detection device (400) is an ultrasonic time-of-flight flow sensor.
3. The water supply network leak detection apparatus according to claim 2, wherein the ultrasonic flow detection device (400) comprises:
a pulse generator (410) for generating an ultrasonic pulse signal;
a forward sensor (420) for acquiring the forward propagation time of the ultrasonic pulse signal in the water supply pipe network;
a reverse sensor (430) for collecting a reverse propagation time of the pulse signal within the water supply network;
a flow rate calculation circuit (440) in signal communication with said forward sensor (420) and said reverse sensor (430), and in signal communication with said processing circuit (100) for calculating a flow rate of water flow within said water supply network based on said forward travel time and said reverse travel time.
4. The water supply network leak detection apparatus of claim 1, further comprising:
and the pipeline control device (500) is in signal connection with the processing circuit (100) and is used for controlling the conduction and the closing of the water supply network.
5. The water supply network leak detection apparatus according to claim 4, wherein the pipe control device (500) is a ball valve.
6. The water supply network leak detection apparatus of claim 1, further comprising:
and the alarm device (600) is in signal connection with the processing circuit (100) and is used for alarming when the water supply pipe network is leaked.
7. The water supply network leak detection apparatus of claim 1, further comprising:
a battery (700) electrically connected to the processing circuit (100).
8. The water supply network leak detection apparatus according to claim 1, wherein the processing circuit (100) comprises:
the low-power-consumption microprocessor (110) is in signal connection with the narrow-band Internet of things communication device (200), the pressure detection device (300) and the ultrasonic flow detection device (400);
an auxiliary circuit (120) electrically connected to the low power microprocessor (110).
9. A water supply network leakage detection system, comprising:
a water supply network leak detection device (10) according to any one of claims 1 to 8;
the base station (20) is in communication connection with the narrow-band Internet of things communication device (200);
a server (30) communicatively coupled to the base station (20).
10. The water supply network leak detection system of claim 9, further comprising:
a terminal (40) communicatively coupled to the base station (20).
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| CN201921297010.0U CN210800732U (en) | 2019-08-08 | 2019-08-08 | Water supply network leakage detection equipment and system |
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| CN201921297010.0U CN210800732U (en) | 2019-08-08 | 2019-08-08 | Water supply network leakage detection equipment and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283593A (en) * | 2020-09-24 | 2021-01-29 | 山东潍微科技股份有限公司 | Internet of things system for closing valve and detecting leakage of pipe network and leakage detection method thereof |
| CN112947611A (en) * | 2021-02-01 | 2021-06-11 | 上海威派格智慧水务股份有限公司 | Scheduling method and system based on pressure monitoring |
| CN113128709A (en) * | 2021-04-02 | 2021-07-16 | 内蒙古江宏信息技术有限公司 | Water supply pipe network leakage management system |
| CN113483274A (en) * | 2021-07-06 | 2021-10-08 | 天津伊润智能设备有限公司 | Water route thing networking supervisory equipment based on ultrasonic wave technique |
-
2019
- 2019-08-08 CN CN201921297010.0U patent/CN210800732U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283593A (en) * | 2020-09-24 | 2021-01-29 | 山东潍微科技股份有限公司 | Internet of things system for closing valve and detecting leakage of pipe network and leakage detection method thereof |
| CN112947611A (en) * | 2021-02-01 | 2021-06-11 | 上海威派格智慧水务股份有限公司 | Scheduling method and system based on pressure monitoring |
| CN113128709A (en) * | 2021-04-02 | 2021-07-16 | 内蒙古江宏信息技术有限公司 | Water supply pipe network leakage management system |
| CN113128709B (en) * | 2021-04-02 | 2023-12-22 | 内蒙古江宏信息技术有限公司 | Water supply network leakage management system |
| CN113483274A (en) * | 2021-07-06 | 2021-10-08 | 天津伊润智能设备有限公司 | Water route thing networking supervisory equipment based on ultrasonic wave technique |
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