CN214344118U

CN214344118U - Water pressure detection device of fire hydrant

Info

Publication number: CN214344118U
Application number: CN202120218448.6U
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 water pressure detection device of fire hydrant, including fire hydrant top cap and fire hydrant body, be equipped with on the fire hydrant top cap and stretch into the inside valve rod of fire hydrant body, be equipped with the valve clack on the inner of valve rod, be provided with on the bottom inner wall of fire hydrant body with the sealed complex disk seat of valve clack, fire hydrant top cap inboard is equipped with monitoring module, monitoring module's bottom is equipped with the first data acquisition module who is used for detecting the fire hydrant body top water pressure condition, be equipped with the second data acquisition module who is used for detecting the fire hydrant body bottom water pressure condition on the interior terminal surface of valve rod, first data acquisition module and second data acquisition module pass through the circuit board and are connected with the MCU controller, the MCU controller sends detected signal to remote monitoring platform through communication module.

Description

Water pressure detection device of fire hydrant

Technical Field

The utility model relates to a fire hydrant technical field especially relates to a water pressure detection device of fire hydrant.

Background

The fire hydrant plays a key role in fire extinguishing as an infrastructure of urban fire fighting. The fire hydrant in China mainly comprises the following three types: the fire hydrant is built by municipal roads, units and residents. The phenomena of impact, collision, breakage, dislocation and the like of the fire hydrant on the municipal road are frequently generated, and some lawbreakers steal the municipal fire hydrant. The water loss in the water supply industry cannot be controlled at best, the damage condition of fire-fighting facilities is very serious, and the fire-fighting safety of cities is seriously influenced. The problems seriously affect the smooth fire-fighting and rescue at the critical moment and cause immeasurable loss to people and public property.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a water pressure detection device of fire hydrant, can long-range realization to fire hydrant water supply pressure and under-voltage state's monitoring, guarantee fire-fighting water's use.

The utility model provides a technical scheme that its technical problem adopted: the water pressure detection device of the fire hydrant comprises a fire hydrant top cover and a fire hydrant body, wherein a valve rod extending into the interior of the fire hydrant body is arranged on the fire hydrant top cover, a valve clack is arranged at the inner end of the valve rod, a valve seat matched with the valve clack in a sealing mode is arranged on the inner wall of the bottom of the fire hydrant body, a monitoring module is arranged on the inner side of the fire hydrant top cover, a first data acquisition module used for detecting the water pressure condition of the top of the fire hydrant body is arranged at the bottom of the monitoring module, a second data acquisition module used for detecting the water pressure condition of the bottom of the fire hydrant body is arranged on the inner end face of the valve rod, a wiring channel is arranged on the valve rod, a waterproof wire is arranged in the wiring channel, sealing filler is filled after the wiring channel is wired, two ends of the waterproof wire are respectively connected with the monitoring module and the second data acquisition module, and mutually connected circuit boards are arranged in the monitoring module, The device comprises an MCU controller, a power supply module and a communication module, wherein the first data acquisition module and the second data acquisition module are connected with the MCU controller through a circuit board, and the MCU controller sends detection signals to a remote monitoring platform through the communication module.

For further improvement, the first data acquisition module and the second data acquisition module are both provided with an undervoltage sensor and a water pressure sensor, the circuit board is provided with a current-voltage conversion circuit and a low-pass filter circuit, the undervoltage sensor is connected with the MCU controller through the low-pass filter circuit, and the water pressure sensor is connected with the MCU controller through the current-voltage conversion circuit and the low-pass filter circuit.

Further perfection, the monitoring module still includes interconnect's generator and hydraulic propeller, power module and circuit board are connected to the generator, be equipped with the fire hydrant interface of interior knot formula on the lateral wall of fire hydrant body, hydraulic propeller stretches into the inside inner port that is close to the fire hydrant interface of fire hydrant body, drive when hydraulic propeller rotates the generator produces voltage output.

Further perfection, be equipped with the blowoff valve on the lateral wall of fire hydrant body bottom, the blowoff valve is located the disk seat top.

Further perfection, the communication module comprises a GPS positioning chip, a local message leaving module, a Bluetooth transceiving module, a WiFi hot spot module and a transceiving antenna.

Further perfection, the MCU controller sends data to the remote monitoring platform through the GPRS network.

The fire hydrant structure is further improved, an end cover is arranged on the fire hydrant interface, a covering plate is arranged on the outer wall of the fire hydrant body right above the end cover, and an iron chain is further arranged between the end cover and the fire hydrant body.

The utility model discloses profitable effect is: the utility model discloses a set up first data acquisition module on the fire hydrant top cap and be equipped with second data acquisition module on the interior terminal surface of valve rod, realize monitoring the water pressure condition of the bottom at fire hydrant top respectively, can know the water pressure situation of change around the fire hydrant water consumption, the accurate discernment water is under-voltage and steal the water leakage condition, and with data transmission to remote monitoring platform through monitoring module, realize the real-time remote monitoring to the fire control water pressure in each region in city, the under-voltage warning of every fire hydrant, the statistics in low water pressure region, the overall arrangement design of supplementary water pressure monitoring point, the rationality of supplementary decision-making fire hydrant overall arrangement, realize regional dispatch, carry out dynamic query analysis to the fire hydrant that pressure is not conform to the requirement, provide the technical foundation for the transformation of the fire hydrant system of stage nature.

Drawings

FIG. 1 is a schematic view of the installation structure of the present invention;

FIG. 2 is an enlarged view of the structure at the top cover of FIG. 1;

FIG. 3 is a signal processing flow diagram;

description of reference numerals: 1. fire hydrant top cap, 2, fire hydrant body, 21, the disk seat, 22, the fire hydrant interface, 23, the blowoff valve, 24, the end cover, 25, the apron, 26, the iron chain, 3, the valve rod, 31, the valve clack, 32, the line passageway, 33, waterproof wire, 4, the monitoring module, 41, the circuit board, 42, the MCU controller, 43, power module, 44, communication module, 45, the generator, 46, the hydraulic propeller, 5, first data acquisition module, 6, the second data acquisition module.

Detailed Description

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

referring to figures 1-3: the water pressure detection device of the fire hydrant in the embodiment comprises a fire hydrant top cover 1 and a fire hydrant body 2, wherein a valve rod 3 extending into the fire hydrant body 2 is arranged on the fire hydrant top cover 1, a valve clack 31 is arranged at the inner end of the valve rod 3, a valve seat 21 matched with the valve clack 31 in a sealing manner is arranged on the inner wall of the bottom of the fire hydrant body 2, a monitoring module 4 is arranged at the inner side of the fire hydrant top cover 1, a first data acquisition module 5 used for detecting the water pressure condition at the top of the fire hydrant body 2 is arranged at the bottom of the monitoring module 4, a second data acquisition module 6 used for detecting the water pressure condition at the bottom of the fire hydrant body 2 is arranged on the inner end face of the valve rod 3, a wiring channel 32 is arranged on the valve rod 3, a waterproof wire 33 is arranged in the wiring channel 32, a sealing filler is filled behind the wiring channel 32, two ends of the waterproof wire 33 are respectively connected with the monitoring module 4 and the second data acquisition module 6, be equipped with interconnect's circuit board 41, MCU controller 42, power module 43 and communication module 44 in the monitoring module 4, first data acquisition module 5 and second data acquisition module 6 are connected with MCU controller 42 through circuit board 41, MCU controller 42 sends detected signal to remote monitoring platform through communication module 44. The first data acquisition module 5 and the second data acquisition module 6 are both provided with an undervoltage sensor and a water pressure sensor, the circuit board 41 is provided with a current-voltage conversion circuit and a low-pass filter circuit, the undervoltage sensor is connected with the MCU controller 42 through the low-pass filter circuit, and the water pressure sensor is connected with the MCU controller 42 through the current-voltage conversion circuit and the low-pass filter circuit. The under-voltage sensor adopts a pressure switch sensor, the model of the pressure switch sensor is HS110-NC (normally closed type), the action pressure of the pressure switch is adjustable, filtered compressed air is used, the pressure switch works at the ambient temperature of-5 to +60 ℃, and G1/8 external threads are adopted for connection; when the water pressure exceeds the set fire service pressure, such as 0.14MPA, the disconnection state is output.

The working principle is as follows: the water pressure sensor on the second data acquisition module 6 can detect the water pressure in real time, when the water pressure is detected to exceed the undervoltage value set by the undervoltage sensor, the switch is switched off, the I/O port of the MCU controller is at a high level, when the water pressure is lower than the set value, the switch is switched on, a high-frequency signal is filtered through a low-pass filter circuit connected at the I/O port, the I/O port is interrupted outside the MCU controller, the MCU controller carries out timing processing, if the accumulated time exceeds 5 minutes and a fault signal with low water pressure is generated, the current fire fighting overall state is sent to the remote monitoring platform through the communication module 44, after the remote monitoring platform receives the low-voltage signal, the alarm real-time animation of the undervoltage of the fire hydrant is displayed on a human-computer interface, and is recorded in a historical database and a fault database, and meanwhile, a short message is sent to inform a manager of the fault state of the fire hydrant, prompt to arrange emergency repair as soon as possible. When the first data acquisition module 5 detects a high fluctuating water pressure value, the fire hydrant body 2 is discharging water at the moment, a background monitoring person verifies whether the water is normal fire-fighting water, if the water is abnormal, the background monitoring person informs a worker to go to the site to process the conditions of water theft or water leakage, and if the water pressure is detected to be lower than an under-pressure value set by an under-pressure sensor of the first data acquisition module 5, the maintenance person is informed of whether the fire hydrant pipeline is blocked or damaged; when the undervoltage sensor of the first data acquisition module 5 detects a stable water pressure value, a maintenance worker is informed whether the valve clack 31 and the valve seat 21 for overhauling the fire hydrant are closed tightly, and whether the sealing at the valve clack 31 is invalid.

Further, monitoring module 4 still includes interconnect's generator 45 and hydraulic screw 46, power module 43 and circuit board 41 are connected to generator 45, can charge for power module 43 to as another sensor, be equipped with the fire hydrant interface 22 of interior knot formula on the lateral wall of fire hydrant body 2, hydraulic screw 46 stretches into inside and being close to the inner port of fire hydrant interface 22 of fire hydrant body 2, when the water was opened to fire hydrant interface 22, hydraulic screw 46 rotates and drives generator 45 produces voltage output, and the water condition of circuit board 41 perception fire hydrant interface 22 department can be more sensitive accurate know steal water and the condition of leaking.

Further, be equipped with blowoff valve 23 on the 2 bottom lateral walls of fire hydrant body, blowoff valve 23 is located disk seat 21 top, the back is closed to valve clack 31 and disk seat 21, can open blowoff valve 23, the water of discharge storage valve clack 31 upside in fire hydrant body 2, avoid the incrustation scale to deposit to cause the jam on the one hand, on the other hand, rust appears easily under the erosion of water in this part fire hydrant inner wall when the fire hydrant does not use for a long time, discharged water body has near rust pollution ground when blowoff valve 23 can avoid using, improve fire hydrant water pressure detection efficiency. The communication module 44 includes a GPS positioning chip, a local message leaving module, a bluetooth transceiver module, a WiFi hotspot module, and a transceiver antenna. The MCU controller 42 sends data to the remote monitoring platform via the GPRS network. The Bluetooth receiving and transmitting module is used for carrying out Bluetooth connection with a mobile phone of a worker under the condition of network disconnection. The GPS positioning chip is used for carrying out GPS positioning on the fire hydrant, and the local message leaving module is provided with a data memory which can store the overhaul records and messages of workers for subsequent checking and maintenance. The WiFi hot spot module can be linked with a peripheral network and can provide a quick internet access for workers. The end cover 24 is arranged on the fire hydrant connector 22, the outer wall of the fire hydrant body 2 right above the end cover 24 is provided with the shielding plate 25, corrosion of the end cover of rainwater can be reduced, and the iron chain 26 is arranged between the end cover 24 and the fire hydrant body 2, so that the end cover 24 can be prevented from being lost.

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 water pressure detection device of fire hydrant, includes fire hydrant top cap (1) and fire hydrant body (2), is equipped with on fire hydrant top cap (1) and stretches into valve rod (3) of fire hydrant body (2) inside, is equipped with valve clack (31) on the inner of valve rod (3), be provided with on the bottom inner wall of fire hydrant body (2) with valve clack (31) seal complex disk seat (21), characterized by: fire hydrant top cap (1) inboard is equipped with monitoring module (4), the bottom of monitoring module (4) is equipped with first data acquisition module (5) that is used for detecting fire hydrant body (2) top water pressure condition, be equipped with second data acquisition module (6) that are used for detecting fire hydrant body (2) bottom water pressure condition on the interior terminal surface of valve rod (3), be equipped with on valve rod (3) and walk line passageway (32), be equipped with waterproof wire (33) in walking line passageway (32), it has sealing filler to walk the packing behind line passageway (32), monitoring module (4) and second data acquisition module (6) are connected respectively at the both ends of waterproof wire (33), be equipped with interconnect's circuit board (41), MCU controller (42), power module (43) and communication module (44) in monitoring module (4), first data acquisition module (5) and second data acquisition module (6) are through circuit board (41) and MCU control The MCU controller (42) is connected with the remote monitoring platform, and the detection signal is sent to the remote monitoring platform by the MCU controller (42) through the communication module (44).

2. The water pressure detecting apparatus of a fire hydrant according to claim 1, wherein: all be equipped with undervoltage sensor and water pressure sensor on first data acquisition module (5) and second data acquisition module (6), be equipped with current-voltage conversion circuit and low pass filter circuit on circuit board (41), undervoltage sensor links to each other with MCU controller (42) through low pass filter circuit, water pressure sensor links to each other with MCU controller (42) through current-voltage conversion circuit, low pass filter circuit.

3. The water pressure detecting apparatus of a fire hydrant according to claim 1 or 2, wherein: monitoring module (4) still include interconnect's generator (45) and hydraulic propeller (46), power module (43) and circuit board (41) are connected in generator (45), be equipped with fire hydrant interface (22) of interior knot formula on the lateral wall of fire hydrant body (2), hydraulic propeller (46) stretch into inside and being close to the inner port of fire hydrant interface (22) of fire hydrant body (2), drive when hydraulic propeller (46) rotate generator (45) produce voltage output.

4. The water pressure detecting apparatus of a fire hydrant according to claim 3, wherein: the side wall of the bottom of the fire hydrant body (2) is provided with a drain valve (23), and the drain valve (23) is positioned above the valve seat (21).

5. The water pressure detecting apparatus of a fire hydrant according to claim 4, wherein: the communication module (44) comprises a GPS positioning chip, a local message leaving module, a Bluetooth transceiving module, a WiFi hot spot module and a transceiving antenna.

6. The water pressure detecting apparatus of a fire hydrant according to claim 5, wherein: and the MCU controller (42) sends data to the remote monitoring platform through a GPRS network.

7. The water pressure detecting apparatus of a fire hydrant according to claim 6, wherein: an end cover (24) is arranged on the fire hydrant connector (22), a covering plate (25) is arranged on the outer wall of the fire hydrant body (2) right above the end cover (24), and an iron chain (26) is further arranged between the end cover (24) and the fire hydrant body (2).