CN210827683U - new fire hydrant - Google Patents

Abstract

The utility model discloses a novel fire hydrant, which comprises a water inlet pipe, a lower hydrant body, an upper hydrant body and a monitoring assembly. The monitoring assembly includes an installation casing, a GPS positioning module, a communication module, a wiring pipe and a water pressure sensor. The body is connected with the upper bolt body, the GPS positioning module and the communication module are respectively accommodated in the accommodating chambers of the installation casing, and the GPS positioning module is electrically connected with the communication module, and the communication module is connected with the computer terminal through a wireless communication protocol. One end is connected to the installation shell, and the other end of the wiring tube is connected to the lower bolt body. The wiring tube is used to pass the cable of the water pressure sensor. The water pressure sensor is located in the inner cavity of the lower bolt body and is electrically connected to the communication module. The above-mentioned new fire hydrants are equipped with GPS positioning module, communication module and water pressure sensor on the basis of ordinary fire hydrants, which can obtain the fire water consumption of fire hydrants in different locations, and perform accurate maintenance of faulty fire hydrants, which is beneficial to fire fighting operations. carried out effectively.

Description

new fire hydrant

technical field

The utility model relates to the technical field of fire hydrants, in particular to a novel fire hydrant.

Background technique

Fire hydrant, also known as fire hydrant, is a fixed fire-fighting facility used to control combustibles, isolate combustion-supporting substances and eliminate ignition sources. Fire hydrants are mainly used for fire trucks to take water from the municipal water supply pipe network or outdoor fire water supply pipe network to put out fire. They can also be directly connected to water hoses and water guns to put out water to put out fire. It is one of the important fire fighting facilities for fire fighting. Fire hydrants are mainly divided into indoor fire hydrants and outdoor fire hydrants. Among them, the water inlet end of outdoor fire hydrants is often pre-buried below the surface and communicated with urban fire water. It is beneficial to firefighters to take water for rescue in a timely manner, while preventing criminals. Steal fire hydrants to ensure effective firefighting operations.

However, the traditional outdoor fire hydrant is only used as an on-off valve for fire water, and the function of the fire hydrant is relatively simple. When the liquid level in the fire hydrant is insufficient or the hydraulic pressure is low, it is difficult for the fire department to obtain the corresponding information in time and make adjustments to the relevant fire hydrants. In this way, in the event of a fire, it is very easy for the fire hydrant to run out of water or insufficient water pressure, and it is difficult to put out the fire in time, thereby causing personal and property safety losses for those in distress.

Utility model content

Based on this, it is necessary to provide a new type of fire hydrant for the technical problem of single function.

A new type of fire hydrant, the new type of fire hydrant comprises a water inlet pipe, a lower hydrant body, an upper hydrant body and a monitoring component, the water inlet pipe, the lower hydrant body and the upper hydrant body are sequentially connected and communicated by bolts, so the The input end of the water inlet pipe is used to communicate with the underground water pipe, the output end of the upper plug body is used to communicate with the fire water pipe, the outer wall of the lower plug body is provided with a through hole, and the monitoring components are respectively connected with the upper plug body. The body is connected with the lower plug body. The monitoring assembly includes an installation casing, a GPS positioning module, a communication module, a wiring pipe and a water pressure sensor, the installation casing is connected to the upper bolt body, and the installation casing has an accommodating chamber and is provided with a wiring hole, the wiring hole communicates with the accommodating chamber, the GPS positioning module and the communication module are respectively accommodated in the accommodating chamber, and the GPS positioning module and the communication module are electrically connected , the communication module is connected with the computer terminal through a wireless communication protocol; one end of the wiring tube is in contact with the edge of the wiring hole, and the other end of the wiring tube is in contact with the edge of the through hole, and the wiring The pipe is used to pass through the cable of the water pressure sensor, the water pressure sensor is located in the inner cavity of the lower plug body and abuts with the edge of the through hole, and the water pressure sensor is electrically connected to the communication module. sexual connection.

In one embodiment, the water pressure sensor has a sensing portion and a conducting portion, the sensing portion is located in the inner cavity of the lower plug body, and the conducting portion is located in the inner cavity of the wire tube and passes through the wire The cable is connected with the communication module.

In one embodiment, the monitoring assembly further includes a sealing ring, the sealing ring penetrates the through hole and surrounds the water pressure sensor, an outer ring surface of the sealing ring and an inner surface of the through hole In contact with each other, the inner ring surface of the sealing ring is in contact with the water pressure sensor.

In one embodiment, the monitoring assembly further includes a plurality of waterproof rubber rings, the plurality of waterproof rubber rings are sequentially arranged in the inner cavity of the wiring pipe, and the outer surface of each waterproof rubber ring is in contact with the The inner surfaces of the wiring tubes are in contact with each other, and the inner surface of each waterproof rubber ring is in contact with the outer surface of the cable.

In one embodiment, the waterproof rubber ring and the wire conduit are integrally formed.

In one embodiment, a snap ring is provided on the inner surface of the wiring tube, the snap ring is provided with a snap groove, and the waterproof rubber ring is inserted into the snap slot and abuts against the inner surface of the snap slot catch.

In one embodiment, a semi-circular arc groove is defined on a side of the mounting housing adjacent to the upper bolt body, and the inner surface of the semi-circular arc groove is in contact with the outer surface of the upper bolt body.

In one embodiment, the monitoring assembly further includes a fixing ring, the fixing ring is sleeved on the upper bolt body and connected with the installation housing.

In one of the embodiments, the mounting housing is screwed with the upper bolt body.

In one embodiment, the lower plug body includes a first connecting pipe and a second connecting pipe, the input end of the first connecting pipe is communicated with the output end of the water inlet pipe, and the output end of the first connecting pipe The end is communicated with the input end of the second connection pipe, the output end of the second connection pipe is communicated with the input end of the upper bolt body, and the first connection pipe is provided with the through hole.

The above-mentioned new fire hydrants are equipped with GPS positioning module, communication module and water pressure sensor on the basis of ordinary fire hydrants, which can realize the positioning of fire hydrants and the detection of liquid level and hydraulic pressure in the fire hydrant, only through a computer terminal device , you can obtain the fire water conditions of fire hydrants in different locations, and accurately repair the faulty fire hydrants according to the liquid flow status of the fire hydrants, so as to ensure that the water pressure and water volume of the fire hydrants can always meet the needs of fire fighting. , in order to facilitate the effective development of fire fighting operations.

Description of drawings

1 is a schematic structural diagram of a novel fire hydrant in one embodiment;

2 is a schematic diagram of the exploded structure of a novel fire hydrant in one embodiment;

3 is a schematic diagram of the positional relationship between the mounting housing and the fixing ring in one embodiment;

4 is a schematic diagram of the positional relationship between the upper bolt body and the installation housing in one embodiment;

5 is a circuit diagram of a GPS positioning module in one embodiment;

6 is a schematic diagram of the positional relationship between the wiring tube and the waterproof rubber ring in one embodiment;

FIG. 7 is a schematic diagram of the positional relationship between the lower plug body and the water pressure sensor in one embodiment.

Detailed ways

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many ways different from those described here, and those skilled in the art can make similar improvements without violating the connotation of the present invention. Therefore, the present invention is not subject to the specific embodiments disclosed below. limit.

Please refer to FIG. 1 and FIG. 2 together, the present invention provides a novel fire hydrant 10, the novel fire hydrant 10 includes a water inlet pipe 100, a lower hydrant body 200, an upper hydrant body 300 and a monitoring component 400, the water inlet pipe 100, The lower plug body 200 and the upper plug body 300 are sequentially connected and communicated by bolts. The input end of the water inlet pipe 100 is used for communication with the underground water pipe, the output end of the upper plug body 300 is used for communication with the fire water pipe, and the outer wall of the lower plug body 200 is used for communication with the fire water pipe. A through hole 210 is opened, and the monitoring component 400 is connected to the upper plug body 300 and the lower plug body 200 respectively. The monitoring assembly 400 includes an installation casing 410, a GPS positioning module 420, a communication module 430, a wiring pipe 440 and a water pressure sensor 450. The installation casing 410 is connected to the upper bolt body 300, and the installation casing 410 has an accommodating chamber 411. The installation housing 410 is provided with a wiring hole 412 , and the wiring hole 412 communicates with the accommodating chamber 411 . The GPS positioning module 420 and the communication module 430 are respectively accommodated in the accommodating chamber 411 , and the GPS positioning module 420 is electrically connected with the communication module 430 . , the communication module 430 is used for connecting with the computer terminal through a wireless communication protocol. One end of the wiring tube 440 is in contact with the edge of the wiring hole 412, and the other end of the wiring tube 440 is in contact with the edge of the through hole 210. The wiring tube 440 is used for passing the cable 451 of the water pressure sensor 450. The water pressure sensor 450 is located in The inner cavity of the lower plug body 200 is in contact with the edge of the through hole 210 , and the water pressure sensor 450 is electrically connected to the communication module 430 .

The above-mentioned new fire hydrant 10 adds a GPS positioning module 420, a communication module 430 and a water pressure sensor 450 on the basis of the ordinary fire hydrant, which can realize the positioning of the fire hydrant and the detection of the liquid level and hydraulic pressure in the fire hydrant. A computer terminal device can obtain the fire water conditions of fire hydrants in different locations, and accurately repair the faulty fire hydrants according to the liquid flow state of the fire hydrants, thus ensuring that the water pressure and water volume of the fire hydrants can always meet the requirements. The need for fire fighting and rescue in order to facilitate the effective development of fire fighting operations.

The water inlet pipe 100 is pre-buried below the surface, and is used to connect clean water from the underground water pipe, so as to facilitate the cooling of the ignition source during the fire fighting operation, and then to fight the fire. In one embodiment, the water inlet pipe 100 is made of stainless steel. In this way, when the water inlet pipe 100 is pre-buried below the surface, the water inlet pipe 100 can resist the erosion of soil and groundwater, so as to delay the aging rate of the water inlet pipe 100 and extend the water inlet pipe. 100 service life.

The lower plug body 200 is connected with the water inlet pipe 100, and the input end of the lower plug body 200 is communicated with the output end of the water inlet pipe 100. The lower plug body 200 is used to pass the clean water connected by the water inlet pipe 100 into the upper plug body 300, so as to Conducive to external fire hose to take water. In addition, by arranging the lower hydrant body 200, the overall height of the fire hydrant can be raised to prevent pedestrians from tripping and being injured by accidentally kicking the fire hydrant. In one embodiment, the lower plug body 200 includes a first connecting pipe 220 and a second connecting pipe 230. The input end of the first connecting pipe 220 is connected to the output end of the water inlet pipe 100, and the output end of the first connecting pipe 220 is connected to the second connecting pipe 220. The input end of the connecting pipe 230 is communicated with, the output end of the second connecting pipe 230 is communicated with the input end of the upper plug body 300 , and the first connecting pipe 220 is provided with a through hole 210 . It should be noted that the shape and size of the second connecting pipe 230 in this embodiment are the same as those of the lower part of the hydrant body in an ordinary fire hydrant. It can also be understood that the new type of fire hydrant in this embodiment is an addition to the ordinary fire hydrant. The second connecting pipe 230 and the monitoring assembly 400 are installed, so that the second connecting pipe 230 only needs to be installed between the water inlet pipe of the ordinary fire hydrant and the lower part of the hydrant body, and the monitoring assembly 400 is installed on the outer wall of the hydrant of the ordinary fire hydrant. , you can get a new fire hydrant. That is to say, under the condition of using ordinary fire hydrants as the carrier, the transformation of ordinary fire hydrants can endow the fire hydrant with the functions of positioning and water pressure and water level monitoring, which is conducive to reducing the production cost and installation cost of new fire hydrants.

The upper spigot body 300 is used to communicate with the external fire-fighting water pipe when a fire occurs, and continuously deliver clean water to the fire-fighting water pipe and the fire site, so as to extinguish the fire point and protect the safety of personnel and property. In one embodiment, the upper plug body 300 is provided with a water delivery hole 310 and a water intake cover 320 , and the water intake cover 320 is hingedly connected to the edge of the water delivery hole 310 . When the fire hydrant is not used, the water intake cover 320 is in contact with the inner surface of the water delivery hole 310, and the water intake cover 320 blocks the water delivery hole 310 to prevent external foreign matter from entering the underground water pipe through the water delivery hole 310, causing groundwater pollution. When a fire occurs, open the water intake cover 320, so that the water intake cover 320 rotates relative to the connection between the water intake cover 320 and the edge of the water delivery hole 310, so that the water delivery hole 310 is exposed, so as to facilitate the connection of the external fire water pipe with the upper spigot body 300 and with the water supply hole 310. The water delivery holes 310 are connected to facilitate firefighters to take water to put out fires.

The monitoring component 400 is used to monitor the water conditions in the fire hydrant, so that the fire department can know the status of the fire hydrant in real time and repair the faulty fire hydrant in time. The installation casing 410 is used for accommodating the GPS positioning module 420 and the communication module 430, so as to prevent criminals from destroying the GPS positioning module 420 and the communication module 430, thereby causing the water condition detection function of the fire hydrant to fail. In one embodiment, the mounting housing 410 is made of fiberglass. Since the glass fiber itself does not contain metal substances, when the electromagnetic signal passes through the glass fiber, the electromagnetic signal does not generate electromagnetic induction in the glass fiber, that is, no electromagnetic circuit is formed in the glass fiber, and the glass fiber does not interfere with the electromagnetic signal. , so that the electromagnetic signal can pass through the glass fiber smoothly, so as to ensure the reliability of information transmission. Similarly, the installation shell 410 made of glass fiber also has the function of preventing signal shielding, so as to ensure the fire protection received by the external computer terminal. Accuracy of water regime information in the plug.

Please refer to FIG. 1 and FIG. 3 together. In one embodiment, the monitoring assembly 400 further includes a fixing ring 460 . The fixing ring 460 is sleeved on the upper bolt body 300 and is connected to the mounting housing 410 . Preferably, the inner diameter of the fixing ring 460 is equal to the outer diameter of the upper plug body 300 . It can also be understood that the mounting housing 410 is mounted on the upper bolt body 300 through the fixing ring 460 . In this way, when the fixing ring 460 is sleeved on the upper bolt body 300 , the inner surface of the fixing ring 460 is connected to the outer surface of the upper bolt body 300 . In contact with each other, the upper bolt body 300 generates a static friction force on the fixing ring 460, and the static friction force will prevent the fixing ring 460 from moving relative to the upper bolt body 300, thereby improving the stability of the connection between the fixing ring 460 and the upper bolt body 300, that is to say , the stability of the connection between the mounting housing 410 and the upper bolt body 300 is improved.

Referring to FIG. 4 , in one embodiment, the mounting housing 410 is screwed to the upper bolt body 300 . Preferably, two first connection holes 330 are symmetrically formed on the upper bolt body 300 , two second connection holes 413 are symmetrically formed on the installation casing 410 , and two bolts 414 are also formed on the installation casing 410 . A second connection hole 413 and a first connection hole 330 are correspondingly drilled through the bolt 414 in sequence and are screwed with the inner surface of the first connection hole 330, so that the connection between the mounting shell 410 and the upper bolt body 300 is realized, and The connection between the installation casing 410 and the upper bolt body 300 is firm, which can prevent criminals from stealing various components in the installation casing 410 . In one embodiment, a semi-circular arc groove 415 is defined on the side of the mounting housing 410 adjacent to the upper bolt body 300 , and the inner surface of the semi-circular arc groove 415 is in contact with the outer surface of the upper bolt body 300 . It can also be understood that the side of the installation casing 410 adjacent to the upper bolt body 300 is completely fitted with the outer surface of the upper bolt body 300, so that the connection area between the installation casing 410 and the upper bolt body 300 is greatly increased. The upper bolt body 300 is not easily shaken, thereby improving the stability of the connection between the installation casing 410 and the upper bolt body 300 .

The GPS positioning module 420 is used to collect the position information of the fire hydrant in real time, and transmit the position information to the communication module 430, and then the communication module 430 transmits the position information to the external computer terminal through the wireless communication protocol, so as to facilitate the fire department to obtain the fire protection in time. information on the location of the pegs. The communication module 430 is used to receive the position information of the fire hydrant transmitted by the GPS positioning module 420 and the water pressure and water level information transmitted by the water pressure sensor 450, and transmit these data information to the external computer terminal through the wireless communication protocol, and the external computer terminal compares the data. Perform centralized processing, so that only one device can detect the water pressure and water level of multiple fire hydrants in different locations, so that the fire department can find the faulty fire hydrant in time and repair the faulty fire hydrant in time. . Please refer to FIG. 5 , in the process of monitoring the fire hydrant, the external computer terminal sends an instruction to the communication module 430 through a wireless communication protocol, and then the communication module 430 transmits the instruction to the GPS positioning module 420 to facilitate the GPS positioning module 420 Execute commands from an external computer terminal. After the GPS positioning module 420 executes the corresponding command, it transmits the position information of the fire hydrant to the external computer terminal through the communication module 430, so as to realize the bidirectional transmission of remote data.

It should be noted that both the GPS positioning module 420 and the communication module 430 adopt the prior art, and the circuit schematic diagram of the GPS positioning module 420 and the communication module 430 can refer to FIG. The circuit principle of the other GPS positioning module 420 and the circuit principle diagram of the communication module 430 should also be included in the scope of implementation as long as the positioning and communication functions of the above embodiments can be realized. Even so, it should be noted that although the GPS positioning module 420 and the communication module 430 both adopt the prior art, that is to say, the functional principles of the GPS positioning module 420 and the communication module 430 in each embodiment of the present invention are not the protection points , each embodiment of the present utility model requires the disclosure and protection of a new type of fire hydrant equipped with a GPS positioning module 420 and a communication module 430, the new type of fire hydrant can obtain the fire water conditions of the fire hydrants in different locations, and according to the liquid flow of the fire hydrant The faulty fire hydrant is accurately repaired in the state of the state, so as to ensure that the water pressure and water volume of the fire water in the fire hydrant can always meet the needs of fire fighting and rescue, so as to facilitate the effective development of fire fighting operations.

The wiring duct 440 is used to connect the installation housing 410 and the through hole 210, and accommodate the cable 451 of the water pressure sensor 450, so as to prevent potential safety hazards caused by the exposed cable 451, and at the same time, it can also prevent illegal elements from stealing and cutting the cable. 451 caused the fire hydrant troubleshooting failure problem. Referring to FIG. 6 , in one embodiment, the monitoring component 400 further includes a plurality of waterproof rubber rings 470 , and the plurality of waterproof rubber rings 470 are arranged in the inner cavity of the wiring tube 440 in sequence, and the outer surface of each waterproof rubber ring 470 is connected with The inner surfaces of the wire tubes 440 abut against each other, and the inner surface of each waterproof rubber ring 470 abuts against the outer surface of the cable 451 . By arranging a plurality of waterproof rubber rings 470, the water in the inner cavity of the lower bolt body 200 can be prevented from flowing into the wiring pipe 440 through the through hole 210, and then flowing into the installation casing 410 from the wiring pipe 440, causing the GPS positioning module 420 and the communication module 430 to meet each other. Water short circuit, and even lead to leakage accidents, to ensure the safe use of fire hydrants. In one embodiment, the waterproof rubber ring 470 and the wiring tube 440 are integrally formed. In this way, the stability of the connection between the waterproof rubber ring 470 and the wiring tube 440 is improved, and the waterproof rubber ring 470 is not easily moved relative to the wiring tube 440 under the driving of the cable 451, thereby ensuring the durability and reliability of the waterproof rubber ring. In one embodiment, the inner surface of the wiring tube 440 is provided with a snap ring, the snap ring has a snap slot, and the waterproof rubber ring 470 is inserted into the snap slot and abuts against the inner surface of the snap slot. It can be understood that the waterproof rubber ring 470 is detachably connected to the wiring tube 440, so that when a single waterproof rubber ring 470 is aged or damaged and fails, the failed waterproof rubber ring 470 can be replaced separately, so as to reduce the use cost of the fire hydrant . In addition, by arranging a snap ring on the inner surface of the wiring tube 440 and opening a snap groove on the snap ring, the waterproof rubber ring 470 abuts against the inner surface of the snap slot and is always restricted to the snap slot 441a under the constraint of the inside surface of the snap slot In other words, the connection between the waterproof rubber ring 470 and the retaining ring is not easy to disconnect, and the waterproof rubber ring 470 is not easy to move in the wiring tube 440, thereby ensuring the waterproof reliability of the rubber ring.

The water pressure sensor 450 is used to detect the depth and water pressure of the water level in the fire hydrant, and transmit the detected water level and water pressure information to the communication module 430, so that the communication module 430 can transmit these data to the external computer terminal in a centralized manner, which is convenient for the communication module 430. The fire department conducts a unified analysis of the working conditions of the fire hydrants. Please refer to FIG. 1 and FIG. 7 together. In one embodiment, the water pressure sensor 450 has a sensing portion 452 and a conducting portion 453 . The sensing portion 452 is located in the inner cavity of the lower bolt body 200 , and the conducting portion 453 is located in the inner cavity of the wiring tube 440 . And connected with the communication module 430 through the cable 451 . Preferably, the sensing part 452 is a sensing diaphragm. When the water pressure sensor 450 is submerged below the water surface in the fire hydrant, the water column in the fire hydrant will generate pressure on the sensing part 452 of the water pressure sensor 450, and the sensing part 452 will generate a slight displacement proportional to the water pressure, making the water pressure sensor 450 When the resistance value changes, the voltage value in the water pressure sensor 450 changes synchronously, and the conduction part 453 further transmits the changed voltage value to the external computer terminal through the communication module 430. In this way, the computer terminal can calculate the induction part 452 according to the voltage value. The water pressure at the place and the distance from the water pressure sensor 450 to the water surface, and then calculate the height of the water level in the fire hydrant, so as to help the fire department to understand the water level in the fire hydrant. When the water level in the fire hydrant is lower than the water pressure sensor 450, the sensing part 452 of the water pressure sensor 450 is only subjected to atmospheric pressure, which is far lower than the pressure value of the water column on the water pressure sensor 450. It can be judged that there is water shortage in the fire hydrant, so that maintenance personnel can be dispatched to the corresponding fire hydrant location for maintenance in time. In one embodiment, the monitoring assembly 400 further includes a sealing ring 480 , the sealing ring 480 penetrates the through hole 210 and surrounds the water pressure sensor 450 , the outer ring surface of the sealing ring 480 is in contact with the inner surface of the through hole 210 , and the sealing ring 480 The inner ring surface is in contact with the water pressure sensor 450 . By arranging the sealing ring 480 at the through hole 210, the water in the fire hydrant can be prevented from flowing into the wiring pipe 440 through the gap between the inner wall of the through hole 210 and the water pressure sensor 450, thereby causing an electric leakage accident, that is, improving the use of the fire hydrant. security.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (10)

1. A novel fire hydrant is characterized by comprising a water inlet pipe, a lower hydrant body, an upper hydrant body and a monitoring assembly, wherein the water inlet pipe, the lower hydrant body and the upper hydrant body are sequentially connected and communicated through bolts, the input end of the water inlet pipe is used for being communicated with an underground water pipe, the output end of the upper hydrant body is used for being communicated with a fire-fighting water pipe, the outer wall of the lower hydrant body is provided with a through hole, the monitoring assembly is respectively connected with the upper hydrant body and the lower hydrant body,

the monitoring assembly comprises an installation shell, a GPS positioning module, a communication module, a wiring pipe and a water pressure sensor, wherein the installation shell is connected with the upper bolt body, the installation shell is provided with an accommodating cavity and a wiring hole, the wiring hole is communicated with the accommodating cavity, the GPS positioning module and the communication module are respectively accommodated in the accommodating cavity, the GPS positioning module is electrically connected with the communication module, and the communication module is connected with a computer terminal through a wireless communication protocol; one end of the wiring pipe is abutted to the edge of the wiring hole, the other end of the wiring pipe is abutted to the edge of the through hole, the wiring pipe is used for penetrating through a cable of the water pressure sensor, the water pressure sensor is located in an inner cavity of the lower bolt body and is abutted to the edge of the through hole, and the water pressure sensor is electrically connected with the communication module.

2. The novel fire hydrant according to claim 1, wherein the water pressure sensor has a sensing portion and a conducting portion, the sensing portion is located in the inner cavity of the lower hydrant body, and the conducting portion is located in the inner cavity of the junction box and connected with the communication module through the cable.

3. A novel fire hydrant according to claim 2 in which the monitoring assembly further includes a sealing ring disposed through the through-hole and surrounding the water pressure sensor, an outer annular surface of the sealing ring abutting an inner surface of the through-hole and an inner annular surface of the sealing ring abutting the water pressure sensor.

4. A fire hydrant according to claim 1 in which the monitoring assembly further comprises a plurality of waterproof glue rings sequentially disposed in the interior of the junction tube, the outer annular surface of each waterproof glue ring abutting the inner surface of the junction tube and the inner annular surface of each waterproof glue ring abutting the outer surface of the cable.

5. A novel fire hydrant according to claim 4 in which the waterproof rubber ring is integrally formed with the junction tube.

6. The novel fire hydrant according to claim 4, wherein a snap ring is provided on an inner surface of the junction pipe, the snap ring is provided with a snap groove, and the waterproof rubber ring is inserted into the snap groove and abuts against the inner surface of the snap groove.

7. A fire hydrant according to claim 1 in which a semi-circular groove is formed in a face of the mounting casing adjacent to the upper body, the inner surface of the semi-circular groove abutting the outer surface of the upper body.

8. A novel fire hydrant according to claim 1 in which the monitoring assembly further includes a retaining ring which is sleeved over the upper hydrant body and connected to the mounting casing.

9. A new fire hydrant according to claim 1 in which the mounting shell is threadably connected to the upper hydrant body.

10. A fire hydrant according to claim 1 in which the lower hydrant body includes a first connecting pipe and a second connecting pipe, the input end of the first connecting pipe is connected to the output end of the water inlet pipe, the output end of the first connecting pipe is connected to the input end of the second connecting pipe, the output end of the second connecting pipe is connected to the input end of the upper hydrant body, and the first connecting pipe is opened with the through hole.

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