CN218822619U

CN218822619U - Pipeline water level detection device and pipeline blockage and damage detection system

Info

Publication number: CN218822619U
Application number: CN202220335686.XU
Authority: CN
Inventors: 郑庆丰; 肖永东
Original assignee: Huizhou Yitong New Material Products Co ltd
Current assignee: Huizhou Yitong New Material Products Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-04-07
Anticipated expiration: 2032-02-18

Abstract

The utility model discloses a pipeline water level detection device and pipeline jam, damaged detecting system relates to the municipal construction field, when being used for the water level monitoring of municipal sewer line to current bus type pipeline water level detection device, the suitability is poor, the detection effect is not ideal enough, the installation and construction process requirement is high, the construction cost is heavy scheduling problem, the following scheme is put forward at present, it includes data acquisition instrument and water level detection mechanism two parts, the data acquisition instrument has integrateed low-power consumption NB-IOT communication module, waterlogging caused by excessive rainfall detection circuit and MCU and has accomplished water level data acquisition and upload; the water level detection rod is a passive device and consists of an electrode probe, a lead and a rod body, wherein the electrode probes are respectively fixed on the rod body from low to high at the same interval, and the rod body is placed in a pipeline wellhead. The utility model discloses make full use of sewage electric conductive property will soak and detect the electrode and fix on the water level detection stick, realize pipeline water level detection's effect through the judgement to whether a plurality of electrodes that soak exist the soaking.

Description

Pipeline water level detection device and pipeline blockage and damage detection system

Technical Field

The utility model belongs to the municipal construction field especially relates to a pipeline water level detection device and pipe blockage, damaged detecting system.

Background

The blockage or breakage of municipal sewer pipes is often a common problem in a city. When the pipeline is blocked, heavy rain easily causes the road to be flooded, vehicles cannot run, road congestion is caused, and even safety problems such as electric leakage and the like can be caused. When the pipeline is damaged, the silt at the damaged position is often taken away, the ground is sunken, and the pipeline can collapse even in serious cases. Therefore, the jam, the damaged condition of sewer need be monitored many times, under the normal conditions, can realize the monitoring and the analysis of sewer jam, damaged through the monitoring to the water level data in the municipal administration sewer pipe.

In the prior art, the water level data are usually monitored based on a humidity sensor or a pressure sensor, however, the conventional device for detecting the water level of the pipeline based on the humidity sensor or the pressure sensor is easily corroded due to the fact that sewage circulating in the municipal sewer pipeline has strong corrosivity, and the precision and the service life of the device are influenced. In addition, a water level detection device based on a humidity sensor or a pressure sensor is complex, replacement and installation are not convenient enough, and the sewage discharge capacity of a municipal sewer pipeline can be influenced.

At present, wired transmission is used, the requirement on the construction process is high, the realization cost is heavy, bus-system networking transmission is technically adopted, and once a bus fault occurs, all nodes under the bus are broken down in a whole line mode.

Therefore, when the existing wired and bus type pipeline water level detection device is used for monitoring the water level of a municipal sewer pipeline, the applicability is poor, and the detection effect is not ideal enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pipeline water level detection device and pipeline jam, damaged detecting system aim at solving current total line formula pipeline water level detection device and when being used for municipal administration sewer line's water level supervision, and the suitability is poor, and detection effect ideal inadequately, installation and construction technology require highly, the heavy scheduling problem of construction cost.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a pipeline water level detection device, includes data acquisition instrument and water level detection mechanism two parts, and data acquisition instrument has integrateed low-power consumption NB-IOT communication module, detection circuit and MCU soak, and MCU control detection circuit that soaks accomplishes data acquisition to accomplish data transmission with low-power consumption NB-IOT communication module interaction, wholly adopt battery powered, be detachable structure between battery and the data acquisition instrument, adopt waterproof plug-in connection, water level detection mechanism is the water level detection stick of bar-shaped structure, and water level detection stick is passive equipment, comprises 5 groups of electrode probe, wire and barred body, and 5 groups of electrode probe are from low to high, fix respectively on the barred body with the same interval, and every group electrode uses a pair of wire, and 5 pairs of wires that 5 electrode probe correspond all collect inside the barred body, draw forth connection data acquisition instrument from the barred body top at last.

As a further aspect of the present invention: the water level detection rod for fixing the electrode is of a long strip and flat structure, the whole detection rod is installed close to the wall of the pipeline well, the occupied space of the electrode is very small, the space of the sewer pipeline is hardly occupied, and the sewage discharge capacity of the sewer pipeline is not affected.

As a further aspect of the present invention: the water level detection mechanism is a water level detection ring with an annular structure, the water level detection ring is installed close to the wall of a pipeline and electrically connected with a data acquisition instrument, the water level detection ring comprises four parts, namely a waterproof connector, a detection signal line, detection probes and a detection ring body, the detection ring body is of a hollow annular structure, the inner side of the detection ring body is uniformly distributed with the detection probes, the detection probes are connected with the waterproof connector through the detection signal line, the detection signal line is composed of multi-core insulating high-temperature lines, the number of the wire cores is matched with the number of the detection probes, the multi-core lines are made of oxygen-free copper materials with 0.5 square wire diameter, an outer sheath is made of insulating high-temperature materials and respectively sheaths each line, each line is respectively welded on an interface needle of the waterproof connector, the tail end of the multi-core insulating high-temperature waterproof lines is scattered, one of the multi-core lines serves as a signal cathode, and the rest of the multi-core lines serve as signal anodes and respectively serve as signal anodes.

As a further aspect of the present invention: the data acquisition instrument is designed into a long strip structure and is installed by being attached to a well mouth, and even if the data acquisition instrument is a round well mouth, the data acquisition instrument can also be installed by being attached to the inner wall of the round well, so that the occupation of the space in the well is reduced.

As a further aspect of the present invention: the low-power consumption NB-IOT communication module is a wide area wireless communication module, a communication base station does not need to be erected by self, wireless communication is realized by directly using an operator network, and the NB-IOT technology has great advantages in low power consumption and large-scale access. The utility model discloses integrated low-power consumption NB-IOT communication module, the energy-conserving advantage of full play NB-IOT technique to carry out power supply control through initiative energy-saving control technique to each energy consumption module on the board, realize lower work energy consumption.

As a further aspect of the present invention: the active energy-saving control technology comprises an MCU (microprogrammed control unit) dormancy mechanism and a main control circuit, a water immersion detection circuit, the partition of a communication circuit three-part circuit and a power supply mechanism according to needs, the power supply of each circuit partition is controlled by an MCU, the power supply is started only in required time, and the circuit is in a completely uncharged state at other time.

As a further aspect of the present invention: the data acquisition instrument adopts the clock chip to manage the time of the terminal, and the clock chip accurately controls the awakening of the MCU, the dormancy time can be flexibly controlled in the grade ranges of second, minute and hour, the awakening is not needed in the middle, and the clock has better energy-saving effect than the clock awakened by the MCU in the built-in second grade. The clock chip is in time synchronization with the communication network once when being started every time, so that the clocks of all the data acquisition instruments on the whole pipeline can be accurately synchronized, and the data acquired by each data acquisition instrument has the same reference time.

As a further aspect of the present invention: another object of the present invention is to provide a system for detecting pipeline blockage and damage, wherein the pipeline is provided with a plurality of pipeline water level detection devices as described above, and each pipeline water level detection device completes the acquisition of water level data and the reporting of water level data according to the data acquisition cycle and the reporting cycle set by the platform; the platform judges the blocking and damage conditions of the pipeline through an intelligent analysis technology based on the data reported by all the water level detection devices installed on the pipeline.

The beneficial effects of the utility model are that:

the utility model provides a pipeline water level detection device and a pipeline blockage and damage detection system, wherein a data acquisition instrument integrates a low-power consumption NB-IOT communication module, a water immersion detection circuit and an MCU to complete water level data acquisition and uploading; the water level detection rod is a passive device and consists of an electrode probe, a lead and a rod body, wherein the electrode probe is respectively fixed on the rod body from low to high at the same interval, the rod body is placed in a pipeline well, and the water level is judged according to the electrode immersion condition on the rod body;

the utility model aims to solve the technical problem that the conventional water level detection device in the prior art has poor applicability when being used for detecting the water level of the municipal sewer pipeline, fully utilize the sewage conductivity, fix the water immersion detection electrodes on the water level detection rod, realize the effect of pipeline water level detection by judging whether a plurality of water immersion electrodes are immersed, additionally provide a water level detection ring, and improve the adaptability of the water level detection ring and the pipeline through an annular structure;

the utility model discloses design optimization has been carried out from communication module lectotype and firmware design two aspects in the aspect of power consumption control, and communication module chooses for use low-power consumption wide area NB-IOT technique, does the subregion design with water level acquisition circuit and communication circuit in the hardware design to by the power supply of each subregion of MCU control, simultaneously, let MCU realize that furthest is in the dormant state in software design, ensure that whole system's consumption is minimum.

Drawings

Fig. 1 is an implementation environment diagram of a pipeline water level detection device provided by an embodiment of the present invention;

fig. 2 is an expanded schematic view of a water level detecting rod provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a data acquisition instrument provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the connection between the data acquisition instrument and the water level detection rod provided by the embodiment of the present invention;

fig. 5 is a schematic view of a water level detection ring structure according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of the connection between the data acquisition instrument and the water level detection ring provided by the second embodiment of the present invention.

Reference numbers in the figures: 1. detecting a ring body; 2. detecting the probe; 3. detecting a signal line; 4. waterproof connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one

Referring to fig. 1-4, a pipeline water level detection device and pipeline jam, damage detecting system, including data acquisition instrument and water level detection mechanism two parts, data acquisition instrument has integrated low-power consumption NB-IOT communication module, detection circuit and MCU soaks, MCU control detection circuit that soaks accomplishes data acquisition to accomplish data transmission with low-power consumption NB-IOT communication module is mutual, wholly adopt battery powered, be removable structure between battery and the data acquisition instrument, adopt waterproof plug-in connection, water level detection mechanism is the water level detection stick of bar-shaped structure, water level detection stick is passive equipment, comprises 5 groups of electrode probe, wire and barred body, and 5 groups of electrode probe are from low to high, fix respectively on the barred body with the same interval, and every group electrode uses a pair of wire, and 5 that 5 electrode probe correspond all collect inside the barred body to the wire, draws forth connection data acquisition instrument from the barred body top at last, the utility model discloses a 5 electrodes of detection stick, 5 total electrodes are arranged in order from bottom to top with the same interval, through whether the judgement that whether the electrode soaks water, can realize that the water level totally 20%, 80%, 5%, detect the water level, 100%, detect the water level totally.

Each electrode comprises a positive electrode and a negative electrode, the 5 electrodes share 1 negative electrode, the total of 5 electrodes-positive and 1 electrode-negative electrodes are connected with the positive input and the negative input of a detection circuit, the circuit judges whether the electrodes are immersed in water by detecting whether the electrodes are conductive, if the electrodes are immersed in water, the two electrodes can be conductive, an IO pin of the MCU detects a low level, if the electrodes are not immersed in water, the two electrodes cannot be conductive, the IO pin of the MCU detects a high level, the MCU judges whether a certain electrode is immersed in water by the change of the high level and the low level of the IO pin, and the grade of the water level is judged by combining the relative positions of the electrodes on a water level detection rod according to the detection result of the 5 electrodes being immersed in water;

the electrode occupies a very small space, the water level detection device for fixing the electrode adopts a strip and flat structure, and the whole detection rod is installed near the wall of the pipeline well, so that the space of the sewer pipeline is hardly occupied, and the sewage discharge capability of the sewer pipeline is not influenced.

As shown in fig. 1, for the utility model provides a pipeline water level detection device's an implementation environment map, the whole equipment includes data acquisition instrument and water level detection stick two parts, data acquisition instrument design is rectangular type structure, hug closely the well head installation, even circular well head, data acquisition instrument also can tightly cut the installation of circular well inner wall, reduce occuping of well inner space, the mounting height of data acquisition instrument is close to the well head as far as possible and can not influence the well lid, be close to the well head installation and can reduce the bubble water chance as far as possible, the data acquisition instrument also can obtain better NB-IOT network signal.

The water level detection stick main effect is the position of fixed 5 electrodes, ensures that 5 electrodes from up to install with same interval height down, just can judge that the water level soaks to that rank through soaking 5 electrodes, and the water level detection stick adopts flat, rectangular design, hugs closely the wall of a well installation, and the reduction space occupies, does not influence pipeline drainage performance.

As shown in fig. 2, for the embodiment of the utility model provides a water level detection stick expandes the sketch map, from low to high 5 electrodes altogether, every electrode has 1 electrode-just, 5 share 1 electrode-negatives, every utmost point all with the wire outwards extension, the wire is collected inside the barred body, whole water level detection stick total 6 wires are collected within the barred body, draw forth from the top at last to the wiring of waterproof plug forms and is connected with the data acquisition instrument.

As shown in fig. 3, for the embodiment of the utility model provides a structural schematic of data acquisition instrument adopts external battery design, only needs to change the battery after battery power uses the completion, does not need whole change, and data acquisition instrument is connected with the battery, is connected with the water level detection stick and all adopts waterproof socket, ensures that whole system is waterproof.

The core of the data acquisition instrument comprises three parts, namely an MCU (micro control unit) and a clock, NBIOT (negative-bias operational amplifier) communication and a water immersion detection circuit, the NB-IOT communication takes an NBIOT communication module as the core, the module comprises a module, a peripheral circuit and an antenna, serial ports are adopted between the module and the MCU for communication, the MCU sends and receives data through the serial ports and an AT (automatic attention) instruction control module, interaction between the data acquisition instrument and a platform is realized, the NBIOT communication part adopts an independent power supply design, the MCU can independently start or close power supply of the NBIOT communication part, only when the data acquisition instrument is communicated with the platform, the MCU can start power supply of the NBIOT communication part, the power supply of the part can be immediately closed after use is finished, maximum energy conservation is realized, and due to the fact that the NBIOT communication part cannot receive platform issued instructions after the power is cut off, the platform can temporarily start power supply of the NBIOT module to the data acquisition instrument to modify NBIOT power-off parameters by influencing information when the platform is powered on or data is uploaded every time, and the platform can temporarily start power supply of the NBIOT module to receive remote control of the data acquisition instrument.

The utility model discloses the circuit board has integrateed the clock chip, MCU adopts the IIC interface to communicate with the clock chip, MCU can set up through this interface, read the current time, can set up the timer of clock chip simultaneously, accurate control clock chip triggers the interrupt in order to awaken MCU at certain concrete time point, clock chip and MCU constitute the dormancy mechanism of overall system in coordination, realize minimum energy consumption control jointly. In order to ensure the clock accuracy of the whole system, when the data acquisition instrument is powered on and started every time, the reference time of the operator network is acquired from the NBIOT communication module, and then the current time of the clock chip and the time of the operator network are synchronously processed to ensure the clock accuracy of the data acquisition instrument.

The detection circuitry that soaks adopts independent power supply simultaneously, and MCU can open or close the power supply of detection circuitry that soaks, and in software design, only can open the power supply of this part of circuit when MCU will gather the electrode condition of soaking, should gather the back of accomplishing, closes the power supply of this part of circuit immediately, because acquisition time about 3ms, consequently, the power supply time of this part of circuit is very little, and the electric energy that consumes is also very little.

The submergence detection circuit is placed in the data acquisition instrument, the water level detection rod is designed into a passive device, and the submergence detection circuit has no special requirements on the material of the electrode and the material of the connecting wire of the electrode and the detection circuit and can be made of common conductive materials.

Example two

As shown in fig. 5 and 6, the first embodiment is different from the first embodiment in that: the water level detection mechanism is a water level detection ring with an annular structure, the water level detection ring is installed close to the wall of a pipeline and electrically connected with a data acquisition instrument, the water level detection ring comprises four parts, namely a waterproof connector 4, a detection signal wire 3, detection probes 2 and a detection ring body 1, the detection ring body 1 is of a hollow annular structure, the detection probes 2 are uniformly distributed on the inner side of the detection ring body 1, the detection probes 2 are connected with the waterproof connector 4 through the detection signal wire 3, the detection signal wire 3 is composed of multi-core insulating high-temperature wires, the number of the wire cores is matched with the number of the detection probes 2, the multi-core wires are made of an oxygen-free material with a wire diameter of 0.5 square, the outer sheaths are made of insulating high-temperature materials and respectively sheath each wire, each wire is respectively welded on an interface needle of the waterproof connector, the tail ends of the multi-core insulating high-temperature waterproof wires are scattered, one wire serves as a signal cathode, and the rest of the multi-core wires serve as signal anodes and serve as signal anodes respectively.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pipeline water level detection device, includes data acquisition instrument and water level detection mechanism two parts, its characterized in that, data acquisition instrument has integrateed low-power consumption NB-IOT communication module, detection circuitry and MCU soak, MCU control soaks detection circuitry and accomplishes data acquisition to accomplish data transmission with low-power consumption NB-IOT communication module is mutual, wholly adopts battery powered, be detachable structure between battery and the data acquisition instrument, adopts waterproof plug-in connection, water level detection mechanism is the water level detection stick of bar-shaped structure, water level detection stick is passive equipment, comprises 5 groups of electrode probe, wire and barred body, and 5 groups of electrode probe are from low to high, fix respectively on the barred body with the same interval, and every group electrode uses a pair of wire, and 5 pairs of wire that 5 electrode probe correspond all collect inside the barred body, draws forth connection data acquisition instrument from the barred body top at last.

2. The apparatus as claimed in claim 1, wherein the water level detecting rod for fixing the electrodes is formed in a long and flat structure, and the whole detecting rod is installed against the wall of the pipeline.

3. The pipeline water level detecting device according to claim 1, wherein the water level detecting mechanism is a water level detecting ring having a ring structure, which is installed close to a wall of the pipeline and electrically connected to the data collecting instrument, the water level detecting ring includes four parts, namely a waterproof connector, a detecting signal line, a detecting probe and a detecting ring body, the detecting ring body is a hollow ring structure, and a plurality of detecting probes are uniformly distributed on the inner side of the detecting ring body, the detecting probes are connected to the waterproof connector through detecting signal lines, the detecting signal line is composed of a plurality of insulating high temperature wires, the number of the wire cores is matched with the number of the detecting probes, the plurality of wires are made of oxygen-free copper materials with 0.5 square wire diameter, the outer sheath is made of insulating high temperature materials and respectively sheaths each wire, each wire is respectively welded to the connector pin of the waterproof connector, the tail end is made of a plurality of scattered insulating high temperature waterproof wires, one of the insulating high temperature waterproof wires serves as a signal cathode, and the other serves as an anode and serves as a signal anode.

4. The pipeline water level detection device of claim 1, wherein the data acquisition instrument is designed to be a long structure and is installed in close contact with a wellhead.

5. The device of claim 1, wherein the low power consumption NB-IOT communication module is a wide area wireless communication module, and is capable of directly using an operator network to achieve wireless communication without a self-established communication base station, and performing power supply control on each energy consumption module on a board by using an active energy saving control technology.

6. The pipeline water level detection device according to claim 5, wherein the active energy-saving control technology comprises an MCU sleep mechanism, a main control circuit, a water immersion detection circuit, and a partition of a communication circuit, and a power supply mechanism according to requirements, wherein power supply of each circuit partition is controlled by the MCU, power supply is started only at required time, and the power supply is in a completely uncharged state at other time.

7. The pipeline water level detection device of claim 1, wherein the data acquisition instrument adopts a clock chip to manage the time of the terminal, and the clock chip precisely controls the wake-up of the MCU, and the sleep time can be flexibly controlled in the range of the second, minute and hour levels without wake-up in the middle.

8. The pipeline water level detection device according to claim 7, wherein the clock chip performs time synchronization with the communication network once at each start-up, so as to ensure that clocks of all data acquisition instruments on the whole pipeline can be accurately synchronized, and ensure that data acquired by each data acquisition instrument has the same reference time.

9. A pipeline blockage and damage detection system is characterized in that a plurality of pipeline water level detection devices according to any one of claims 1 to 8 are arranged on a pipeline, and each pipeline water level detection device finishes the acquisition of water level data and the report of the water level data according to a data acquisition cycle and a report cycle which are set by a platform.

10. The system of claim 9, wherein the platform determines the blockage or damage of the pipeline by an intelligent analysis technique based on the data reported by all the water level detectors installed on the pipeline.