CN213146118U

CN213146118U - Municipal pipe network monitoring device based on NB-IoT

Info

Publication number: CN213146118U
Application number: CN202022032057.3U
Authority: CN
Inventors: 李劼; 吴伟夏
Original assignee: Hainan Zhinuo Network Communication Technology Co ltd
Current assignee: Hainan Zhinuo Network Communication Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a municipal pipe network monitoring device based on NB-IoT, including inner tube, outer tube, control box and damage detection mechanism, damage detection mechanism includes tongue tube and the first metal contact, group battery, electro-magnet and the second metal contact that connect gradually the electricity, control box inside is provided with controller and NB-IoT wireless chip, when the inner tube broke, the running water enters between inner tube and outer tube, make first metal contact and second metal contact establish the electrical connection relation, thereby the electro-magnet circular telegram is electrified magnetism, and trigger the tongue tube, the tongue tube sends the signal of telecommunication to the controller, the controller judges to be brokenly, and fix the brokenly position between two tongue tubes received at first, then the controller sends breakage signal and breakage section to the outside through NB-IoT wireless chip, the staff can carry out remote monitoring through intelligent terminal etc., therefore, water cut-off and damage repair can be carried out in time, and waste of water resources is prevented.

Description

Municipal pipe network monitoring device based on NB-IoT

Technical Field

The utility model relates to an intelligent monitoring technical field, in particular to municipal pipe network monitoring device based on NB-IoT.

Background

Municipal pipe network includes water supply pipe, sewage conduit etc, general water supply pipe all lays in the underground, lay and be difficult to remove and detect after accomplishing, consequently, in order to guarantee water supply pipe's normal function, generally all can set up monitoring mechanism in water supply pipe, a normal water supply for monitoring water supply pipe, however the monitoring device of present municipal pipe network is basically only to the water delivery pressure of pipe network, the velocity of flow etc. monitor, detect and not fine going on to the damage of pipeline, when the pipeline takes place the damage and can't fix a position the damaged position the very first time, will waste a large amount of water resources, lead to water supply company's cost to improve.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a municipal pipe network monitoring device based on NB-IoT can carry out damaged control to the pipeline, prevents to cause the waste of water resource.

The technical scheme of the utility model is realized like this:

an NB-IoT-based municipal pipe network monitoring device comprises an inner pipe, an outer pipe, a monitoring box and damage detection mechanisms, wherein the outer pipe covers the outer part of the inner pipe and forms a cavity with the outer wall of the inner pipe; the breakage detection mechanism comprises a reed switch, a first metal contact, a battery pack, an electromagnet and a second metal contact which are electrically connected in sequence, wherein the reed switch is arranged on one side of the electromagnet; the controller and the NB-IoT wireless chip are arranged in the monitoring box, and the controller is electrically connected with the reed switch and the NB-IoT wireless chip respectively.

Preferably, a flow sensor is arranged in the inner pipe at a position corresponding to the damage detection mechanism, and the flow sensor is electrically connected with the controller.

Preferably, still include electrical switch and audible-visual annunciator, the group battery constitutes the circuit return circuit with electrical switch and audible-visual annunciator, the controller is connected with the electrical switch electricity, audible-visual annunciator sets up on the outer tube outer wall of damaged detection mechanism position.

Preferably, the side wall of the monitoring box is provided with a fixing plate, and the fixing plate is provided with a threaded hole.

Preferably, the outer surface of the monitoring box is coated with a waterproof coating.

Preferably, a filter screen is arranged in the inner pipe.

Preferably, the device further comprises an annular baffle plate, wherein the annular baffle plate is arranged in the cavity and is respectively connected with the inner pipe and the outer pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a municipal pipe network monitoring device based on NB-IoT, which is applied to the water supply pipeline of the pipe network, and comprises an inner pipe and an outer pipe, wherein tap water is transported in the inner pipe, when the inner pipe is damaged, the tap water enters between the inner pipe and the outer pipe from the damaged part, when the tap water is respectively contacted with a first metal contact and a second metal contact, a circuit loop is formed among the first metal contact, the second metal contact, a battery pack and the battery pack, at the moment, an electromagnet receives the electric energy of the battery pack and has magnetism, a reed pipe positioned at one side of the electromagnet is triggered, the reed pipe generates an electric signal and sends the electric signal to a controller, the controller sends out a damaged signal through an NB-IoT wireless chip, so that a remote worker can timely know that the inner pipe is damaged so as to carry out quick water cut-off and damaged repair, the waste of water resources is prevented.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a municipal pipe network monitoring device based on NB-IoT according to a first embodiment of the present invention;

fig. 2 is a circuit diagram of a first embodiment of the NB-IoT based municipal pipe network monitoring apparatus of the present invention;

fig. 3 is a schematic junction circuit diagram of a first embodiment of the NB-IoT based municipal pipe network monitoring apparatus of the present invention;

fig. 4 is a schematic structural diagram of a municipal pipe network monitoring device based on NB-IoT according to a second embodiment of the present invention;

in the figure, 1 is an inner tube, 2 is an outer tube, 3 is a monitoring box, 4 is a cavity, 5 is a reed pipe, 6 is a first metal contact, 7 is a second metal contact, 8 is a battery pack, 9 is an electromagnet, 10 is a controller, 11 is an NB-IoT wireless chip, 12 is a flow sensor, 13 is an electric control switch, 14 is an audible and visual alarm, 15 is a fixing plate, 16 is a threaded hole, 17 is a filter screen, and 18 is an annular baffle.

Detailed Description

In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 3, the utility model provides a municipal pipe network monitoring device based on NB-IoT, including inner tube 1, outer tube 2, monitoring box 3 and damage detection mechanism, outer tube 2 covers outside inner tube 1, and forms cavity 4 with the outer wall of inner tube 1, monitoring box 3 sets up on the inner wall of outer tube 2, damage detection mechanism sets up on the inner wall of outer tube 2 at equal intervals; the breakage detection mechanism comprises a reed switch 5, a first metal contact 6, a battery pack 8, an electromagnet 9 and a second metal contact 7 which are electrically connected in sequence, wherein the reed switch 5 is arranged on one side of the electromagnet 9; the monitoring box 3 is internally provided with a controller 10 and an NB-IoT wireless chip 11, and the controller 10 is electrically connected with the reed switch 5 and the NB-IoT wireless chip 11 respectively.

The municipal pipe network monitoring device based on the NB-IoT is mainly applied to a water supply pipeline and is used for detecting the damage of the water supply pipeline, and comprises an inner pipe 1 and an outer pipe 2, wherein the inner pipe 1 is used for conveying tap water, the outer pipe 2 is coated outside the inner pipe 1 and forms a cavity 4 with the inner pipe 1, a damage detection mechanism and a monitoring box 3 are arranged in the cavity 4, the tap water is conveyed in the inner pipe 1 under the normal work of the pipeline, no moisture exists in the cavity 4, when the inner pipe 1 is damaged, the tap water enters the cavity 4 from the damaged part, the damage detection mechanism in the cavity 4 can detect the existence of the moisture, so that the damage information is sent to the outside through the monitoring box 3, a worker can quickly and timely carry out water cut-off and damage repair, and waste of water resources is prevented, the purpose of setting up outer tube 2 can prevent that the water resource from directly flowing into in the soil, further prevents the waste of water resource.

The breakage detection mechanism comprises a first metal contact 6, a battery pack 8, an electromagnet 9 and a second metal contact 7 which are electrically connected in sequence, wherein the first metal contact 6 and the second metal contact 7 are not in direct electrical connection, but have breakpoints, namely when tap water is normally conveyed, the electric energy of the battery pack 8 cannot be conveyed to the electromagnet 9, when the inner pipe 1 is broken, the tap water enters the cavity 4 and is respectively contacted with the first metal contact 6 and the second metal contact 7 on the inner wall of the outer pipe 2, so that the first metal contact 6 and the second metal contact 7 establish electrical connection, a circuit loop is formed by the first metal contact 6, the second metal contact 7, the battery pack 8 and the electromagnet 9, at the moment, the electromagnet 9 is electrified and magnetized, the reed pipe 5 on one side of the electromagnet is triggered, an electric signal is generated after the reed pipe 5 is triggered and is sent to the controller 10, the controller 10 judges that the inner tube 1 is damaged when receiving the electric signal of the reed switch 5, and at the moment, the controller 10 sends out the damaged signal through the NB-IoT wireless chip 11, and the staff can receive the damaged signal through the intelligent terminal or the monitoring equipment, thereby realizing remote monitoring, and for realizing the rapid processing of data, the controller 10 of this embodiment chooses for use the singlechip of STM32F101R8 model.

Specifically, the damaged detection mechanism quantity of this embodiment sets up to a plurality ofly, after inner tube 1 takes place the damage, the running water can be full of gradually in cavity 4, consequently can make different tongue tubes 5 triggered in proper order, thereby controller 10 can receive the signal of telecommunication that tongue tube 5 sent in proper order, this embodiment is after the equidistant setting of damaged detection mechanism, can fix a position damaged interval through two tongue tubes 5 triggered at first, thereby quick location is to the damaged position department of inner tube 1, reduce staff's work load, improve damaged prosthetic efficiency.

Preferably, a flow sensor 12 is disposed inside the inner tube 1 at a position corresponding to the damage detection mechanism, and the flow sensor 12 is electrically connected to the controller 10.

The auxiliary detection of the breakage is performed by the flow sensors 12, the number of the flow sensors 12 is the same as the number of breakage detection mechanisms, when the data detected by the flow sensors 12 at the first and the second positions are different, the controller 10 determines that the breakage is possible, and the controller 10 determines whether the inner pipe 1 is broken by whether the reed pipe 5 transmits an electric signal on the basis of the data transmitted by the flow sensors 12.

Preferably, still include electrical switch 13 and audible-visual annunciator 14, battery 8 constitutes the circuit loop with electrical switch 13 and audible-visual annunciator 14, controller 10 is connected with electrical switch 13 electricity, audible-visual annunciator 14 sets up on the outer wall of outer tube 2 of damage detection mechanism position.

Specifically, the number of the electric control switches 13 and the audible and visual alarms 14 in the embodiment is the same as that of the breakage detection mechanism, when the inner tube 1 is broken and all the reed pipes 5 are triggered, the controller 10 judges that the reed pipes are broken, and simultaneously controls the audible and visual alarms 14 corresponding to the two triggered reed pipes 5 to send out an alarm, and when a worker digs the ground to search for a broken point, the broken section can be quickly searched through the audible and visual alarms 14.

The control of the audible and visual alarm 14 is controlled by the electric control switch 13, and after the controller 10 controls the electric control switch 13 to be closed, the electric energy of the battery pack 8 is transmitted to the audible and visual alarm 14, so that the audible and visual alarm 14 can give an alarm.

Preferably, the side wall of the monitoring box 3 is provided with a fixing plate 15, the fixing plate 15 is provided with a threaded hole 16, and the outer surface of the monitoring box 3 is coated with a waterproof coating.

Can connect fixedly to the fixed plate 15 of control box 3 through the bolt, make the control box 3 can stabilize fix on 2 inner walls of outer tube, inside the control box 3 that the running water enters into cavity 4 when preventing inner tube 1 damaged simultaneously, 3 surface coating at the control box has been used for carrying on waterproofly to all do water repellent in each side junction of control box 3.

Preferably, a filter screen 17 is arranged inside the inner tube 1.

The filter screen 17 can remove impurities from tap water conveyed inside the inner pipe 1.

Referring to the second embodiment shown in fig. 4, it further comprises an annular baffle 18, said annular baffle 18 being arranged in the cavity 4 and being connected to the inner tube 1 and the outer tube 2, respectively.

The annular baffle 18 that sets up can divide into a plurality of sections with cavity 4, and when inner tube 1 took place the damage, the running water that flows out from the damage can not be full of whole cavity 4, but is blockked by annular baffle 18, because the setting of annular baffle 18 can guarantee that inner tube 1 continues to resume normal water supply state behind the loss part running water, guarantees can be quick after taking place the damage resume resident's normal water supply demand.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The municipal pipe network monitoring device based on the NB-IoT is characterized by comprising an inner pipe, an outer pipe, a monitoring box and damage detection mechanisms, wherein the outer pipe covers the outer part of the inner pipe and forms a cavity with the outer wall of the inner pipe; the breakage detection mechanism comprises a reed switch, a first metal contact, a battery pack, an electromagnet and a second metal contact which are electrically connected in sequence, wherein the reed switch is arranged on one side of the electromagnet; the controller and the NB-IoT wireless chip are arranged in the monitoring box, and the controller is electrically connected with the reed switch and the NB-IoT wireless chip respectively.

2. The NB-IoT based municipal pipe network monitoring device according to claim 1, wherein a flow sensor is provided inside the inner pipe at a location corresponding to the breakage detection mechanism, the flow sensor being electrically connected to the controller.

3. The NB-IoT-based municipal pipe network monitoring device according to claim 1, further comprising an electronic control switch and an audible and visual alarm, wherein the battery pack, the electronic control switch and the audible and visual alarm form a circuit loop, the controller is electrically connected with the electronic control switch, and the audible and visual alarm is arranged on the outer wall of the outer pipe where the damage detection mechanism is located.

4. The NB-IoT based municipal pipe network monitoring device according to claim 1, wherein the monitoring box side wall is provided with a fixing plate, and the fixing plate is provided with a threaded hole.

5. The NB-IoT based municipal ductwork monitoring device according to claim 1, wherein the monitoring box outer surface is coated with a water-resistant coating.

6. The NB-IoT based municipal pipe network monitoring device according to claim 1, wherein a filter screen is placed inside the inner pipe.

7. The NB-IoT based municipal ductwork monitoring device according to claim 1, further comprising a ring-shaped baffle disposed in the cavity and connected to the inner and outer pipes, respectively.