CN209053171U - A kind of fire hydrant with stolen water monitoring system - Google Patents

Abstract

The utility model relates to a kind of fire hydrants with stolen water monitoring system, belong to fire-fighting equipment technical field.Fire hydrant includes valve body, spool, valve rod, boring cover, valve stem seal plate, top cover and stolen water monitoring system；Stolen water monitoring system includes flow monitoring sensor；Valve rod has in the chamber of top cover and is in the bar portion of exposed state；Wireless monitor system includes being mounted on the indoor valve rod movement monitoring unit of chamber, valve rod movement monitoring unit includes permanent magnetic iron block and magnetic monitoring sensor, permanent magnetic iron block is installed in bar portion, the monitoring side of magnetic monitoring sensor is located at permanent magnetic iron block and is formed by by the side of annular trace around the rotation axis rotation of valve rod, and magnetic monitors sensor and exports magnetic monitoring signals.Monitoring unit is acted by adding valve rod, can preferably judge that the reason of generating flow is more convenient for supervising the use state of fire hydrant, can be widely applied to the fields such as fire-fighting due to valve opening or due to caused by fire hydrant leak.

Description

A kind of fire hydrant with stolen water monitoring system

Technical field

The utility model relates to field of fire fighting equipment, specifically, being related to a kind of fire hydrant with stolen water monitoring system.

Background technique

Fire hydrant is divided into indoor fireplug and outdoor according to the difference of installation environment as a kind of fixed-type firefighting device Fire hydrant.For Outdoor Fire Hydrant, usually happen occasionally due to being difficult to the case where supervising, fire demand water is caused to be usurped.

To solve the above-mentioned problems, a kind of preventing water burglary is disclosed in the patent document that publication No. is CN105625513A Fire hydrant is equipped with that several specifications are different to be gone out in the upper other ground connection of valve body 1 as shown in its attached drawing 1 and attached drawing 3, including valve body 1 Water interface 2, the boring cover 3 being removably fastened on water outlet mouthpiece 2, the valve being removably fastened on the upper open end of valve body 1 Bar sealing plate, is removably fastened on the upper open end of valve body 1 and top cover of the cover outside valve stem seal plate, the drive of valve rod 4 Power reception end is stretched out except top cover, and the other end protrudes into valve body after passing through the sealing through-hole being set on valve stem seal plate, with Spool is driven to carry out switching motion, so that the effluent state for reaching water outlet mouthpiece 2 is controlled；In order to reach the mesh of safety water , by the way that wireless monitor system is arranged on boring cover 3, which constitutes it and steals water monitoring system, and in valve body Medium position be equipped with wireless choked flow system, the two constitutes antitheft water system together.Wireless supervisory control system includes that flow monitoring passes Sensor, processor and wireless communication module detect the water flow in valve flowing channel by flow monitoring sensor, by fire hydrant Stolen water water leakage situation unit is wirelessly transmitted to background server by wireless communication, and the monitoring personnel on backstage Instruction is issued, plays the role of choked flow to open wireless choked flow system, so as to be closed fire hydrant automatically within first time, to reach To the purpose of preventing water burglary.

Above-mentioned fire hydrant can prevent stolen water phenomenon from occurring well, but it is in use, and there are still following problems: (1) water flow signal detected for flow monitoring sensor, it is difficult to differentiation is caused since the valves such as stolen water are opened, Or the prior preparation gone to before accident spot caused by generating leak since valve body damages, before being not easy to maintenance personal； (2) since the size of water outlet mouthpiece has standard regulation, and it is smaller, cause it to be difficult to place the bigger battery of capacity, is unfavorable for Extend the power supply Years Of Service of stolen water monitoring system.

Utility model content

The main purpose of the utility model is to provide a kind of fire hydrant with stolen water monitoring system, preferably to fire-fighting Bolt is monitored；

The another object of the utility model is to provide a kind of improved fire hydrant of structure, to extend the monitoring power supply of fire hydrant Years Of Service.

In order to achieve the above-mentioned main objectives, fire hydrant provided by the utility model includes the valve body equipped with water outlet mouthpiece, is used In the spool of the effluent state of control water outlet mouthpiece, the valve rod of the switching motion for control valve core is matched with water outlet mouthpiece Boring cover, the valve stem seal plate of the upper open end for closed valve, and cover in the top cover on open end；Stolen water monitoring system packet Wireless monitor system is included, wireless monitor system includes the flow monitoring sensor being mounted in the runner of valve body；Valve rod has position In in the chamber of top cover and in the bar portion of exposed state；Wireless monitor system includes being mounted on the indoor valve rod movement monitoring list of chamber Member, valve rod movement monitoring unit include that permanent magnetic iron block and magnetic monitoring sensor, permanent magnetic iron block are installed in bar portion, magnetic monitoring sensing The monitoring side of device is located at permanent magnetic iron block and is formed by by the side of annular trace around the rotation axis rotation of valve rod, and magnetic monitors sensor Export magnetic monitoring signals.

Monitoring unit is acted by the way that valve rod is arranged in the chamber of top cover, is monitored with the movement to valve rod, so as to Judge whether flow that flow monitoring sensor is monitored drives spool to open and caused since valve rod rotates, so as to Judge that the flow is and to combine responding to record due to caused by leak or since valve is opened caused and just can determine whether There are the behavior of stolen water, be not only convenient for the management and maintenance of fire hydrant, and it is easy to repair during preparation in advance.

Specific scheme is that magnetic monitoring sensor is Hall sensor；It is installed in bar portion more than two circumferential uniform along it The permanent magnetic iron block of arrangement.Sensor is monitored as magnetic using Hall sensor, effectively improves the sensitive monitoring to magnet rotors Degree；By the way that multiple permanent magnet blocks are arranged, monitoring sensitivity can be further improved.

Another specific scheme is that magnetic monitoring sensor is tongue tube, circumferential direction of more than two tongue tubes around bar portion It is evenly arranged.By arranging multiple tongue tubes, monitoring sensitivity can further improve.

Another specific scheme is that magnetic monitoring sensor is located at by the axial side of annular trace.

In order to achieve the above-mentioned another object, preferred embodiment provided by the utility model is the supplying cell of wireless monitor system It is mounted in chamber；It is equipped with installation screw on valve stem seal plate, plastic screw, plastics are water-tightly combined in installation screw The signal transmssion line of flow monitoring sensor is water-tightly embedded in screw.With in the prior art by battery arrangement in boring cover Situation is compared, it is possible to increase battery volume and improve its capacity, with the Years Of Service of further power supply.

Preferred scheme is made of clear material for top cover, and supplying cell is rechargeable battery；It is equipped with too in chamber Positive energy solar panel and charhing unit, solar panel export generating voltage to charhing unit, and charhing unit is defeated to supplying cell Charging voltage out.By adding solar panel, to further increase the Years Of Service of power supply.

Further embodiment is that solar panel includes cylinder-shaped solar panel and cyclic annular solar panel；Supplying cell includes protecting Protective case body and be mounted on the intracorporal battery pack of protective shell, protection shell be by inner cylinder, coaxially be sleeved on it is outer outside inner cylinder The tubular shell structure for the upper end opening that cylinder and annular bottom plate are assembled into, battery pack include lower end be fixed on annular bottom plate and Multi-turn battery pack between inside and outside two cylinder, every circle battery pack are evenly arranged around inner cylinder by multiple batteries and are constituted, There is heat dissipation gap between two adjacent sections battery；Inner cylinder is coaxially sleeved on outside bar portion, and cylinder-shaped solar panel is coaxially sleeved on Outside outer barrel, cyclic annular solar panel is sleeved on outside bar portion and is fastened on the upper open end of cylinder-shaped solar panel.

Further embodiment has installation gap between inner cylinder and bar portion, and permanent magnetic iron block is pacified with magnetic monitoring sensor In installation gap.

Further embodiment is the outer ring plate portion and annular plate portion that valve stem seal plate includes arrangement stacked on top of one another, outer ring Shape plate portion is equipped with the screwing through hole for being removably attached to valve stem seal plate on the upper open end of valve body；Valve body it is upper Open end is equipped with inner shoulder table compatible with annular plate portion, is pressed with sealing ring between inner shoulder table and annular plate portion；Annular Plate portion is located at the downside in outer ring plate portion, and its outer ring edge constitutes Step-edge Junction with being superimposed with the inner ring edge in outer ring plate portion Structure, the inner ring edge in annular plate portion upward protrusion and be formed with annular platform structure, step structure, annular platform structure and interior Annular slab portion surrounds the limit installation slot structure being sleeved on the bottom end of tubular shell structure.

Another is made of plastics preferred scheme for top cover, and the communication antenna of wireless monitor system is close in top cover It is mounted on by the side of top cover to wall surface.Effectively ensure that its communication quality.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment 1；

Fig. 2 is the structural decomposition diagram of the utility model embodiment 1；

Fig. 3 is valve body, valve rod, valve stem seal plate, supplying cell, elastic seal ring and valve in the utility model embodiment 1 The structural exploded view of bar movement monitoring unit；

Fig. 4 is the A partial enlarged view in Fig. 2；

Fig. 5 is the circuit principle structure block diagram of stolen water monitoring system in the utility model embodiment 1；

Fig. 6 is the partial structural diagram at the spring antenna in the utility model embodiment 2；

Between signal transmssion line and valve stem seal plate of the Fig. 7 for flow monitoring sensor in the utility model embodiment 3 Matching relationship schematic diagram；

Fig. 8 is the structural schematic diagram of 4 middle cylinder body shape solar panel of the utility model embodiment；

Fig. 9 is the structural decomposition diagram of the utility model embodiment 5.

Specific embodiment

With reference to embodiments and its attached drawing the utility model is described in further detail.

In the following embodiments, mainly on the structure of background technique patent document CN105625513A, to fire-fighting The structure of bolt improves, being supervised with water state to fire hydrant, main improvement be preferably wirelessly to supervise The main structure of examining system is mounted on the interior intracavitary of top cover, and adds valve rod movement monitoring unit；The specific structure of other component It is designed referring to existing product.

Embodiment 1

Referring to Fig. 1 to Fig. 5, the utility model fire hydrant 1 includes valve body 10, valve rod 11, spool, boring cover 12, boring cover 13, valve Bar sealing plate 2, top cover 3 and wireless monitor system 4.The different water outlet mouthpiece 14 of specification and water outlet connect there are two setting on valve body 10 Mouth 15；Spool is mounted in the runner of valve body 10, for controlling the effluent state of water outlet mouthpiece 14 Yu water outlet mouthpiece 15；Boring cover 12, boring cover 13 is accordingly removably fastened on water outlet mouthpiece 14, on water outlet mouthpiece 15, can lead to when removing corresponding boring cover It crosses and supplies water in watering equipments such as water outlet mouthpiece upper connector Lu Erxiang water tenders.Wireless monitor system 4 is constituted in the present embodiment Stolen water monitoring system, certainly can be by increasing other monitoring unit to be constituted in the present embodiment together with wireless monitor system 4 Stolen water monitoring system, such as add the environment temperature monitoring sensor for monitoring ambient temperature, and for valve body The water pressure monitoring sensor that hydraulic pressure in 10 is monitored.

As shown in figure 3, valve stem seal plate 2 includes the outer ring plate portion 20 and annular plate portion 21 of arrangement stacked on top of one another, it is interior Annular slab portion 21 is located at the downside in outer ring plate portion 20, and the inner ring of the outer ring edge in annular plate portion 21 and outer ring plate portion 20 Edge superposition ground constitutes step structure 22, and the inner ring edge in interior annular slab portion 21 is raised upward and is formed with annular platform structure 23, in the present embodiment, annular platform structure 23, outer ring plate portion 20 and annular plate portion 21 are cast in a manner of integrally formed It forms or is process by same metal plate through chip；Wherein, step structure 22, annular platform structure 23 and annular plate portion 21 surround the limit installation slot 24 of annular together.

Outer ring plate portion 20 is equipped with screwing through hole 25, and corresponding position is equipped with spiral shell on the upper open end 100 of valve body 10 Hole 101, and inner shoulder table 102 compatible with the outer peripheral surface in annular plate portion 21 is equipped on upper open end 100, by interior shoulder It is pressed with sealing ring 16 between platform 102 and the lower face in annular plate portion 21, and utilizes the screw and screw hole 101 across screwing through hole 25 Cooperation, and valve stem seal plate 2 is removably attached on the upper open end 100 of valve body 10.

In the present embodiment, top cover 3 is the hemisphere shell structure made of transparent plastic, and open end is to be integrally formed The ring flange 31 that mode is molded is equipped with screw hole 32, the corresponding position on the upper open end 100 of valve body 10 on ring flange 31 Place is equipped with screwing through hole 103, using the cooperation of screw and screw hole 32 across screwing through hole 103, and removably admittedly by top cover 3 It is scheduled on the upper open end 100 of valve body 10.Through-hole can also be set in the two, and will top using the cooperation of bolts and nuts Lid 3 is removably attached on valve body 10.

The driving force receiving end 110 of valve rod 11, which passes through, to be set to the topped hole 30 on top cover 3 and is located at except top cover 3, to connect External motivating force is received, driving end passes through the sealing through-hole 27 being set on valve stem seal plate 2 and protrudes into valve body 10, is used for control valve The switching motion of core.In the present embodiment, valve rod 2 has in the chamber of top cover 3 and is in the bar portion 111 of exposed state.

Wireless monitor system 4 includes processor 40, power supply, the flow monitoring sensing being mounted in the runner of valve body 10 Device 41, wireless communication module 42 and valve rod act monitoring unit.Wherein, power supply include be mounted on top cover 3 chamber it is indoor Supplying cell 5, solar panel 6 and charhing unit 44, supplying cell 5 are rechargeable battery.

Valve rod movement monitoring unit includes permanent magnetic iron block 45 and Hall sensor 43, and Hall sensor 43 constitutes the present embodiment In magnetic monitor sensor.Permanent magnetic iron block 45 is bonded and is installed in bar portion 111 using glue such as epoxy resin, and Hall passes The monitoring side of sensor 43 is located at permanent magnetic iron block 45 and is formed by by the side of annular trace around the rotation of rotation axis 1100 of valve rod 11, And magnetic monitoring signals are exported to processor 40, specifically, Hall sensor 43 is located at by the axial side of the annular trace, to reduce Space hold radially.In order to improve monitoring sensitivity, fixed two or more can be arranged circumferentially along it in bar portion Permanent magnetic iron block 45, that is, rotate a circle, and will test more than two wave crest signals.In the present embodiment, flow monitoring sensor 40 are constructed using turbine flowmeters, wireless communication unit 42 using the mobile communication modules such as NB-IOT module or 2G, 5G into Row building；As shown in figure 4, in the present embodiment, wireless communication module is using the pcb board antenna being installed on ring-shaped P CB plate 70 72 communicate with external base station.In the present embodiment, processor 40, wireless communication unit 42, the electronics member device in charhing unit 44 Part 71 is each attached on ring-shaped P CB plate 70.

Wherein, solar panel 6 is made of cylinder-shaped solar panel 61 and cyclic annular 60 assembly of solar panel, to improve to the sun The utilization rate of energy, in the present embodiment, cylinder-shaped solar panel 61 is the cylinder board structure being bent by flexible solar panel, Cyclic annular solar panel 60 is the annular slab structure made of hard solar panel.

Supplying cell 5 includes protection shell 51 and is mounted on the battery pack 52 protected in shell 51, and protection shell 51 is served as reasons The cylinder for the upper end opening that inner cylinder 511, the outer barrel 512 being coaxially sleeved on outside inner cylinder 511 and annular bottom plate 510 are assembled into Shape shell structure, battery pack 52 include that lower end is fixed on the multi-turn battery on annular bottom plate 510 and between inside and outside two cylinder Group, every circle battery pack are evenly arranged around inner cylinder 511 by more piece column battery 520 and are constituted, deposited between two adjacent sections battery 520 There is heat dissipation gap.Inner cylinder 511 is coaxially sleeved on outside bar portion 111, and cylinder-shaped solar panel 61 is coaxially sleeved on outer barrel 512 Outside, cyclic annular solar panel 60 is sleeved on outside bar portion 111 and is fastened on the upper open end of cylinder-shaped solar panel 61.Inner cylinder 511 with There is installation gap between bar portion 111, permanent magnetic iron block 45 and Hall sensor 43 are installed in the installation gap, wherein suddenly You are fixed in annular platform structure 23 sensor 43 by strut 430, in the present embodiment, to use epoxy resin to Hall It is adhesively fixed between sensor 43 and strut 430, and be bonded solid to being carried out between strut 430 and annular platform structure 23 It is fixed, and have rotating avoiding gap between Hall sensor 43 and strut 430 and bar portion 111.

In the present embodiment, in order to ensure communication quality, by pcb board antenna close to top cover 3 inner wall be mounted on top By the side of lid 3.Flow monitoring sensor in the runner of valve body 10 passes through across the threading hole being set on valve stem seal plate 2 25 to 40 output flow monitoring signals of processor, and filler encapsulation process is carried out between signal transmssion line and threading hole 25.

For the installation connection relationship between each specific structure, by the bottom end of the tubular shell structure of supplying cell 5 It is sleeved on and is mounted in slot 24, bottom is bonded by heat-conducting glue, by heat valve stem seal plate 2 made of metal It is transferred in valve body 10 and the water of inside, lower end and the outer ring plate portion 20 in valve stem seal plate 2 of cylinder-shaped solar panel 61 Upper surface is locally adhesively fixed by epoxy resin etc., between the upper port of cylinder-shaped solar panel 61 and cyclic annular solar panel 60 Part is carried out using glue such as epoxy resin to be adhesively fixed, so that the non-tight chamber with multiple ventilation openings is formed, with The notice for installing battery pack 5, is conducive to radiate.Ring-shaped P CB plate 70 is sleeved on outside cylinder-shaped solar panel 61, and in bottom and valve rod The upper surface in the outer ring plate portion 20 in sealing plate 2 is partially or fully adhesively fixed by heat-conducting glue.Transparent plastic top 3 the cover of lid is outside ring-shaped P CB plate 70 and solar panel 6, and while providing the safeguard protections such as waterproof for them, sunlight can In into it collected by solar panel 6.

During the work time, solar panel 6 exports generating voltage to charhing unit 44, and charhing unit 44 is electric to power supply Pond 5 exports charging voltage, to effectively extend the Years Of Service of power supply.Pass through the detection signal of Hall sensor 45 Variation, can determine whether valve rod 11 produces rotation, i.e., whether it drives spool so that at water outlet mouthpiece 14 and water outlet mouthpiece 15 In service position；Compared with prior art, monitoring unit is acted by the way that valve rod is arranged in the chamber of top cover 3, to valve rod 11 Movement be monitored, to can determine whether flow that flow monitoring sensor is monitored drives since valve rod 11 rotates Spool, which is opened, to be caused, thus can determine whether the flow be due to caused by leak or due to caused by the unlatching of spool, And combine responding record that can judge whether there is the behavior of stolen water, it is not only convenient for the management and maintenance of fire hydrant, and convenient for dimension Preparation in advance during repairing.

Embodiment 2

As the explanation to the utility model embodiment 2, only the difference with above-described embodiment 1 is said below It is bright.

Referring to Fig. 6, in the present embodiment, above-mentioned implementation is substituted using the spring antenna 72 being fixed on ring-shaped P CB plate 70 Pcb board antenna in example, to constitute the specific structure of the present embodiment, spring antenna 72 is set to roof side close to top cover inner wall It is other.

Embodiment 3

As the explanation to the utility model embodiment 3, below only to it is different from above-described embodiment 1 and embodiment 2 it Place is illustrated, i.e., line is crossed to the flow monitoring sensor signal transmission line in above-described embodiment and on valve stem seal plate 2 Installation relation between hole is substituted for following structures, to constitute the present embodiment.

Referring to Fig. 7, installation screw 210, installation screw 210 and excessively line are equipped in the annular plate portion 21 of valve stem seal plate Hole 211 constitutes shoulder hole structure together, plastic screw 72 is combined in installation screw 210, and in plastic screw 72 and installation It is pressed with elastic seal ring 71 between the hole bottom surface of screw hole 210, so that plastic screw 72 be made water-tightly to screw in installation screw 210 It is interior, the signal transmssion line 73 of flow monitoring sensor is water-tightly embedded in plastic screw 72, specifically, in injection-moulded plastic screw During 72, signal transmssion line is embedded in advance in plastic screw 72；Compared with sealant pouring and sealing mode in above-described embodiment, more have Water pressure in effect ground reply fire hydrant.

Embodiment 4

As the explanation to the utility model embodiment 4, below only to it is different from above-described embodiment 1 to embodiment 3 it Place is illustrated.

Referring to Fig. 8, in the present embodiment, cylinder-shaped solar panel 61 is no longer bent by flexible solar panel, and It is to include the support inside lining sleeve 610 being made of plastics and be bonded in outside support inside lining sleeve 610 too by 611 layers of epoxy resin Positive energy battery block 612 is constituted.

Embodiment 5

As the explanation to the utility model embodiment 5, below only to it is different from above-described embodiment 1 to embodiment 4 it Place is illustrated.

Referring to Fig. 9, annular battery plate 62 is added above the ring-shaped P CB plate 70 of fire hydrant 1, i.e., in the present embodiment, too Positive energy solar panel 6 is by cylinder-shaped solar panel 61, the cyclic annular solar panel 60 being mounted on the upper open end of cylinder-shaped solar panel 61, and The annular battery plate 62 being sleeved on outside cylinder-shaped solar panel 61 is assembled to be constituted, and is led between ring-shaped P CB plate 70 and annular battery plate 62 It crosses copper stud structure to be supported, the company of being adhesively fixed is carried out using epoxy resin between copper stud structure and annular battery plate 62 It connects.

Embodiment 6

As the explanation to the utility model embodiment 6, below only to it is different from above-described embodiment 1 to embodiment 5 it Place is illustrated.

The monitoring sensor of the magnetic in the present embodiment is constructed using more than two tongue tubes, and makes more than two tongue tubes Around being arranged circumferentially for bar portion, wherein tongue tube specifically uses normally open reed switch.

Embodiment 7

As the explanation to the utility model embodiment 7, below only to it is different from above-described embodiment 1 to embodiment 6 it Place is illustrated.

Omit the solar panel and charhing unit in power supply, i.e., the wireless monitor system in the present embodiment only by Supplying cell is powered, and can is rechargeable battery, can also is disposable dry cell.

The central scope of the utility model is improved by the structure of stolen water monitoring system, can preferably judge to produce The reason of raw flow is due to valve opening or due to caused by fire hydrant leak, preferably to supervise to fire hydrant. Flow monitoring sensor, processor, wireless communication unit and supplying cell and valve body in fire hydrant in stolen water monitoring system, The specific structure of other components such as valve rod, top cover, valve stem seal plate, boring cover there are many obvious variation, does not limit to also In above-described embodiment, specifically referring to publication No. is fire hydrant structure disclosed in the existing patent documents such as CN105625513A.

Claims (10)

1. a kind of fire hydrant with stolen water monitoring system, the valve body including being equipped with water outlet mouthpiece connect for controlling the water outlet Mouthful effluent state spool, the valve rod of the switching motion for controlling the spool, and the matched boring cover of the water outlet mouthpiece, For closing the valve stem seal plate of the upper open end of the valve body, and cover in the top cover on the upper open end；The stolen water prison Control system includes wireless monitor system, and the wireless monitor system includes that the flow monitoring being mounted in the runner of the valve body passes Sensor, it is characterised in that:

The valve rod has in the chamber of the top cover and is in the bar portion of exposed state；

The wireless monitor system includes being mounted on the indoor valve rod movement monitoring unit of the chamber, and the valve rod movement monitoring is single Member includes that permanent magnetic iron block and magnetic monitor sensor, and the permanent magnetic iron block is installed in the bar portion, the magnetic monitoring sensor Monitoring side is located at the permanent magnetic iron block and is formed by by the side of annular trace around the rotation axis rotation of the valve rod, the magnetic prison It surveys sensor and exports magnetic monitoring signals.

2. fire hydrant according to claim 1, it is characterised in that:

The magnetic monitoring sensor is Hall sensor；

The permanent magnetic iron block that two or more is arranged circumferentially along it is installed in the bar portion.

3. fire hydrant according to claim 1, it is characterised in that:

The magnetic monitoring sensor is tongue tube, and more than two tongue tubes are arranged circumferentially around the bar portion.

4. fire hydrant according to claim 1, it is characterised in that:

The magnetic monitoring sensor is located at by the axial side of the annular trace.

5. according to claim 1 to fire hydrant described in any one of 4 claims, it is characterised in that:

The supplying cell of the wireless monitor system is mounted in the chamber；

It is equipped with installation screw on the valve stem seal plate, plastic screw is water-tightly combined in the installation screw, it is described The signal transmssion line of the flow monitoring sensor is water-tightly embedded in plastic screw.

6. fire hydrant according to claim 5, it is characterised in that:

The top cover is made of clear material, and the supplying cell is rechargeable battery；

Solar panel and charhing unit are installed, the solar panel is exported to the charhing unit in the chamber Generating voltage, the charhing unit export charging voltage to the supplying cell.

7. fire hydrant according to claim 6, it is characterised in that:

The solar panel includes cylinder-shaped solar panel and cyclic annular solar panel；

The supplying cell includes protection shell and is mounted on the intracorporal battery pack of the protective shell, and the protection shell is by interior The tubular shell knot for the upper end opening that cylinder, the outer barrel being coaxially sleeved on outside the inner cylinder and annular bottom plate are assembled into Structure, the battery pack include that lower end is fixed on multi-turn battery pack on the annular bottom plate and between inside and outside two cylinder, often Circle battery pack is evenly arranged around the inner cylinder by multiple batteries and is constituted, and has heat dissipation gap between two adjacent sections battery；

The inner cylinder is coaxially sleeved on outside the bar portion, and the cylinder-shaped solar panel is coaxially sleeved on the outer barrel Outside, the cyclic annular solar panel is sleeved on outside the bar portion and is fastened on the upper open end of the cylinder-shaped solar panel.

8. fire hydrant according to claim 7, it is characterised in that:

There is installation gap between the inner cylinder and the bar portion, the permanent magnetic iron block is respectively mounted with magnetic monitoring sensor In the installation gap.

9. fire hydrant according to claim 7, it is characterised in that:

The valve stem seal plate includes the outer ring plate portion and annular plate portion of arrangement stacked on top of one another, and the outer ring plate is set in portion There is the screwing through hole for being removably attached to the valve stem seal plate on the upper open end of the valve body；

The upper open end of the valve body be equipped with inner shoulder table compatible with annular plate portion, the inner shoulder table with it is described interior Annular slab is pressed with sealing ring between portion；

Annular plate portion is located at the downside in outer ring plate portion, and the inner ring of its outer ring edge and outer ring plate portion Edge superposition ground constitutes step structure, and the inner ring edge in annular plate portion is raised upward and is formed with annular platform structure, The step structure, the annular platform structure and annular plate portion surround the bottom end for being sleeved on the tubular shell structure Limit installation slot structure in portion.

10. fire hydrant according to claim 6, it is characterised in that:

The top cover is made of plastics, the communication antenna of the wireless monitor system close to the top cover inner wall be mounted on By the side of the top cover.