CN214344117U

CN214344117U - Intelligent monitoring device for fire hydrant

Info

Publication number: CN214344117U
Application number: CN202120216914.7U
Authority: CN
Inventors: 管敏豪
Original assignee: Zhejiang Kelong Fire Fighting Intelligent Dev Co ltd
Current assignee: Zhejiang Kelong Fire Fighting Intelligent Dev Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-08
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a fire hydrant intelligent monitoring device, including the fire hydrant and install flowmeter and monitor terminal on the fire hydrant pipeline, the flowmeter includes coaxial outer survey buret and interior survey buret, and interior survey buret passes through fastening components fixed mounting on the inner wall of survey buret outward, monitor terminal installs on the outer wall of survey buret outward, be equipped with outer rivers passageway between outer survey buret and the interior survey buret, be equipped with outer flow sensor in the outer rivers passageway, be equipped with inner layer rivers passageway in the interior survey buret, be equipped with inner flow sensor in the inner layer rivers passageway, be provided with water pressure sensor on the fastening components, the signal of outer flow sensor, inner flow sensor and water pressure sensor collection all sends for monitor terminal. When the phenomena of illegal water taking through the fire hydrant, water leakage caused by valve damage and the like occur, the external flow sensor, the internal flow sensor and the water pressure sensor can be monitored in time and sent through the monitoring terminal.

Description

Intelligent monitoring device for fire hydrant

Technical Field

The utility model relates to a fire hydrant technical field especially relates to a fire hydrant intelligent monitoring device.

Background

The fire hydrant is important fire-fighting equipment, the fire hydrant water supply network is directly connected with the municipal water supply network, and water taking rescue is carried out through the fire hydrant during fire rescue. The fire hydrant has the advantages that massive fire hydrants exist in cities, the distribution range is wide, the traditional fire hydrant does not have a monitoring function, each fire hydrant needs to be maintained and managed independently, the maintenance and the management cost for numerous fire hydrants are high, the water in the fire hydrant must be guaranteed effectively in fire rescue, the water pressure is normal, the state of the fire hydrant cannot be acquired in real time by the traditional fire hydrant, the normal water supply state of each fire hydrant cannot be guaranteed, the fire hydrant is difficult to deal with effectively in time in emergencies, in addition, the phenomena of illegal water taking through the fire hydrant, water leakage caused by valve damage and the like exist currently, the phenomenon cannot be monitored by the traditional fire hydrant, and the waste of public water resources can be caused. Some practitioners propose to set up monitoring devices to the fire hydrant and monitor the water pressure of fire hydrant, rivers state, but all realize through independently setting up multiple water pressure sensor, rivers sensor usually, and each sensor independently arranges in the water supply pipe of fire hydrant, can have the wiring complicated, be not convenient for arrange the installation scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a fire hydrant intelligent monitoring device, simple structure is compact, with low costs, can realize fire hydrant intelligent monitoring, and the installation of being convenient for is arranged.

The utility model provides a technical scheme that its technical problem adopted: an intelligent monitoring device for a fire hydrant comprises the fire hydrant, a flow meter and a monitoring terminal which are arranged on a fire hydrant pipeline, the flowmeter comprises an outer measuring pipe and an inner measuring pipe which are coaxial, the inner measuring pipe is fixedly arranged on the inner wall of the outer measuring pipe through a fastening component, flanges for connecting fire hydrant pipelines are arranged at two ends of the outer measuring pipe, the monitoring terminal is arranged on the outer wall of the outer measuring pipe, an outer layer water flow channel is arranged between the outer measuring pipe and the inner measuring pipe, an outer flow sensor for detecting the outer layer water flow speed is arranged in the outer layer water flow channel, an inner layer water flow channel is arranged in the inner measuring tube, an inner flow sensor for detecting the inner layer water flow speed is arranged in the inner layer water flow channel, and the fastening assembly is provided with a water pressure sensor, and signals collected by the outer flow sensor, the inner flow sensor and the water pressure sensor are all sent to the monitoring terminal.

For further improvement, a wiring channel is formed in the fastening assembly, and the internal flow sensor is electrically connected with the monitoring terminal through the wiring channel.

The inner flow sensor comprises an acquisition ring fixed on the inner wall of the inner measuring tube and a plurality of pairs of ultrasonic probes circumferentially distributed on the inner side of the acquisition ring, the ultrasonic probes extend into the inner measuring tube, and signal output lines of the ultrasonic probes are led out from the acquisition ring.

Further perfect, outer flow sensor is including rotating the impeller of installing on surveying buret including surveying, and set up the laser sensor who is used for detecting the impeller rotational speed on surveying the inside pipe wall outside, the outer lane of impeller is fixed with the induction coil, laser sensor sets up directly over the induction coil lateral wall face.

Further perfection, a plurality of grating holes are circumferentially distributed on the side wall of the induction coil, the laser sensor is a laser ranging sensor, and the detection end of the laser ranging sensor is arranged opposite to the grating holes.

Further perfect, set up respectively with the inside external pressure induction passageway and the interior pressure induction passageway of surveying the inside intercommunication of buret and buret outward in the fastening assembly, water pressure sensor sets up the outside of surveying the buret outward, water pressure sensor passes through the pressure state of rivers inlayer in external pressure induction passageway and the interior pressure induction passageway inductive flowmeter.

Further perfecting, fastening components are provided with two, set up respectively including surveying the both ends about buret, outer flow sensor and inner flow sensor are located two between the fastening components.

Further perfection, monitor terminal is including the signal acquisition module, controller module, power module and the communication module who connects gradually, signal acquisition module respectively with outer flow sensor, interior flow sensor and water pressure sensor are connected.

And further perfection is realized, a water pressure fluctuation power generation device is arranged on the outer measuring pipe and is connected with the power module.

The utility model discloses profitable effect is: the utility model discloses a water pressure of inside and outside two-layer rivers in the fire hydrant intelligent monitoring device can real-time supervision fire hydrant, the flow state, realize fire hydrant intelligent monitoring, the measurement of water pressure and flow is more accurate and sensitive, need not to rely on fire hydrant stifle, ensure that the fire hydrant can normally supply water, when taking place through the illegal water intaking of fire hydrant, outer flow sensor when the phenomenon such as valve destruction leaks, inner flow sensor and water pressure sensor homoenergetic enough in time monitor, and send through monitor terminal, intelligent monitoring device is integrated form structure, can reduce detection module's volume, weight, the wiring that need not complicacy simultaneously, can lug connection on the pipeline of fire hydrant through outer survey buret, convenient realization device's installation, dismantle.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the flow meter and the monitoring terminal of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

description of reference numerals: 1. fire hydrant, 2, fire hydrant pipeline, 3, the flowmeter, 31, outer survey buret, 311, the flange, 32, interior survey buret, 33, fastening components, 331, walk the line passageway, 332, outer pressure sensing passageway, 333, interior pressure sensing passageway, 34, outer rivers passageway, 35, outer flow sensor, 351, the impeller, 352, laser sensor, 353, the induction coil, 354, the grating hole, 36, inner strata rivers passageway, 37, interior flow sensor, 371, the collection ring, 372, ultrasonic probe, 38, water pressure sensor, 4, monitor terminal, 41, signal acquisition module, 42, the controller module, 43, power module, 44, communication module, 45, water pressure fluctuation power generation facility.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figures 1-2: the embodiment of the intelligent monitoring device for the fire hydrant, which comprises the fire hydrant 1, a flow meter 3 and a monitoring terminal 4, wherein the flow meter 3 and the monitoring terminal 4 are arranged on a fire hydrant pipeline 2, the flow meter 3 comprises an outer measuring pipe 31 and an inner measuring pipe 32 which are coaxial, the inner measuring pipe 32 is fixedly arranged on the inner wall of the outer measuring pipe 31 through a fastening component 33, two ends of the outer measuring pipe 31 are provided with flanges 311 used for connecting the fire hydrant pipeline 2, the monitoring terminal 4 is arranged on the outer wall of the outer measuring pipe 31, an outer water flow channel 34 is arranged between the outer measuring pipe 31 and the inner measuring pipe 32, an outer flow sensor 35 used for detecting the outer water flow speed is arranged in the outer water flow channel 34, an inner water flow channel 36 is arranged in the inner measuring pipe 32, an inner flow sensor 37 used for detecting the inner water flow speed is arranged in the inner water flow channel 36, and a water pressure sensor 38 is arranged on the fastening component 33, a wiring channel 331 is formed in the fastening component 33, and the internal flow sensor 37 is electrically connected to the monitoring terminal 4 through the wiring channel 331. The signals collected by the outer flow sensor 35, the inner flow sensor 37 and the water pressure sensor 38 are all sent to the monitoring terminal 4. The monitoring terminal 4 comprises a signal acquisition module 41, a controller module 42, a power module 43 and a communication module 44 which are connected in sequence, wherein the signal acquisition module 41 is respectively connected with the outer flow sensor 35, the inner flow sensor 37 and the water pressure sensor 38. The outer measuring pipe 31 is provided with a water pressure fluctuation generating device 45, and the water pressure fluctuation generating device 45 is connected with the power module 43.

By the monitoring device, the water pressure and the flow state in the fire hydrant pipeline 2 can be monitored in real time, the intelligent monitoring of the fire hydrant 1 is realized, the water flowing into the outer measuring pipe 31 can be divided into two water flows with different flow rates through the inner measuring pipe 32, the water flow is respectively measured through the outer flow sensor 35 and the inner flow sensor 37 on the outer water flow channel 34, the flow monitoring is more accurate and sensitive, the water pressure sensor 38 arranged on the fastening component 33 can detect the water pressure condition in the pipe, the phenomena of underpressure, no water leakage and the like can be found in time, when the phenomena of illegal water taking through the fire hydrant 1, water leakage damage and the like happen to the valve, the signal acquisition module 41 acquires abnormal data of the outer flow sensor 35, the inner flow sensor 37 and the water pressure sensor 38, and the monitoring platform of a background sent by the communication module 44 of the monitoring terminal 4 timely informs maintenance and security personnel to arrive at the site for maintenance, the communication module 44 is provided with a GPS positioning chip, which can facilitate positioning. The intelligent monitoring device is an integrated structure, can reduce the volume and the weight of the detection module, simultaneously does not need complex wiring, can be directly connected to the fire hydrant pipeline 2 through the external measuring pipe 31, and is convenient to install and disassemble.

As shown in fig. 3, the internal flow sensor 37 includes a collecting ring 371 fixed on the inner wall of the internal measuring tube 32 and a plurality of pairs of ultrasonic probes 372 circumferentially distributed on the inner side of the collecting ring 371, and detects the water flow rate in the internal measuring tube 32, the ultrasonic probes 372 extend into the internal measuring tube 32, the signal output line of the ultrasonic probes 372 is led out from the collecting ring 371, and is electrically connected with the monitoring terminal 4 through the wiring channel 331. The outer flow sensor 35 includes an impeller 351 rotatably mounted on the inner measuring pipe 32, and a laser sensor 352 disposed on the inner wall of the outer measuring pipe 31 for detecting the rotation speed of the impeller 351, an induction coil 353 is fixed to the outer ring of the impeller 351, and the laser sensor 352 is disposed right above the side wall surface of the induction coil 353. A plurality of grating holes 354 are circumferentially distributed on the side wall of the induction coil 353, the laser sensor 352 is a laser ranging sensor, and the detection end of the laser ranging sensor is arranged opposite to the grating holes 354. Rivers in the outer rivers passageway 34 can drive impeller 351 and rotate when passing through impeller 351, and laser sensor 352 detects through grating hole 354 to on the induction coil 353, reachs the linear velocity, and then confirms the slew velocity of impeller to obtain the velocity of flow of outer rivers, need not to set up drive mechanism and totalizer on the impeller 351, pressure loss is little, measures sensitively.

As shown in fig. 4, an outer pressure sensing passage 332 and an inner pressure sensing passage 333 are formed in the fastening member 33 to communicate with the inside of the outer measuring pipe 31 and the inner measuring pipe 32, respectively, the water pressure sensor 38 is disposed outside the outer measuring pipe 31, and the water pressure sensor 38 senses the pressure state of the inner and outer layers of the water flow in the flow meter 3 through the outer pressure sensing passage 332 and the inner pressure sensing passage 333. The fastening components 33 are arranged at the left end and the right end of the inner measuring pipe 32, and can detect the pressure change conditions before and after water flows in the inflow flowmeter and the outflow flowmeter, calculate the pressure loss and improve the measurement accuracy. The outer flow sensor 35 and the inner flow sensor 37 are located between the two fastening assemblies 33.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a fire hydrant intelligent monitoring device, includes fire hydrant (1) and installs flowmeter (3) and monitor terminal (4) on fire hydrant pipeline (2), characterized by: flowmeter (3) is including coaxial outer survey buret (31) and interior survey buret (32), and interior survey buret (32) is through fastening components (33) fixed mounting on the inner wall of survey buret (31) outward, survey buret (31) both ends outward and be equipped with flange (311) that are used for connecting fire hydrant pipeline (2), monitor terminal (4) are installed on the outer wall of surveying buret (31) outward, be equipped with outer rivers passageway (34) between survey buret (31) and interior survey buret (32) outward, be equipped with outer flow sensor (35) that are used for detecting outer water velocity in outer rivers passageway (34), be equipped with inlayer rivers passageway (36) in interior survey buret (32), be equipped with inner flow sensor (37) that are used for detecting inlayer water velocity in inlayer rivers passageway (36), be provided with water pressure sensor (38) on fastening components (33), and signals collected by the outer flow sensor (35), the inner flow sensor (37) and the water pressure sensor (38) are all sent to the monitoring terminal (4).

2. The intelligent fire hydrant monitoring device according to claim 1, wherein: a wiring channel (331) is formed in the fastening component (33), and the inner flow sensor (37) is electrically connected with the monitoring terminal (4) through the wiring channel (331).

3. The intelligent fire hydrant monitoring device according to claim 2, characterized in that: inner flow sensor (37) including one fixed gather ring (371) and a plurality of ultrasonic transducer (372) of circumference distribution in gathering ring (371) inboard including on surveying buret (32) inner wall including, ultrasonic transducer (372) stretch into inside interior buret (32), the signal output line of ultrasonic transducer (372) is drawn forth on gathering ring (371).

4. The intelligent fire hydrant monitoring device according to claim 3, wherein: the outer flow sensor (35) comprises an impeller (351) rotatably mounted on the inner measuring pipe (32) and a laser sensor (352) arranged on the inner wall of the outer measuring pipe (31) and used for detecting the rotating speed of the impeller (351), an induction coil (353) is fixed to the outer ring of the impeller (351), and the laser sensor (352) is arranged right above the side wall surface of the induction coil (353).

5. The intelligent fire hydrant monitoring device according to claim 4, wherein: a plurality of grating holes (354) are circumferentially distributed on the side wall of the induction coil (353), the laser sensor (352) is a laser ranging sensor, and the detection end of the laser ranging sensor is opposite to the grating holes (354).

6. The intelligent fire hydrant monitoring device according to claim 5, wherein: set up respectively with outer survey buret (31) and interior survey the inside outside pressure induction passageway (332) and the interior pressure induction passageway (333) of buret (32) inside intercommunication in fastening component (33), water pressure sensor (38) set up the outside of surveying buret (31) outward, water pressure sensor (38) are through the pressure state of outer water flow inlayer and outer layer in outer pressure induction passageway (332) and interior pressure induction passageway (333) inductive flowmeter (3).

7. The intelligent fire hydrant monitoring device according to claim 6, wherein: the two fastening assemblies (33) are respectively arranged at the left end and the right end of the inner measuring pipe (32), and the outer flow sensor (35) and the inner flow sensor (37) are positioned between the two fastening assemblies (33).

8. The intelligent fire hydrant monitoring device according to claim 7, wherein: the monitoring terminal (4) comprises a signal acquisition module (41), a controller module (42), a power supply module (43) and a communication module (44) which are sequentially connected, wherein the signal acquisition module (41) is respectively connected with the outer flow sensor (35), the inner flow sensor (37) and the water pressure sensor (38).

9. The intelligent fire hydrant monitoring device according to claim 8, wherein: and a water pressure fluctuation power generation device (45) is arranged on the external measuring pipe (31), and the water pressure fluctuation power generation device (45) is connected with the power module (43).