CN115822041A - Detachable intelligent fire hydrant - Google Patents

Abstract

The invention relates to the field of fire hydrants, in particular to a detachable intelligent fire hydrant which can realize an intelligent detection function through structural improvement of a conventional fire hydrant and has input cost.

Description

Detachable intelligent fire hydrant

Technical Field

The invention relates to the field of fire hydrants, in particular to a detachable intelligent fire hydrant.

Background

The applicant applies for a fire hydrant with a flow monitoring function in 2021, 01/25, with a patent application number of 202110096965.5, and specifically discloses a fire hydrant with a flow monitoring function, which comprises a flange elbow, a valve body detachably arranged at the top end of the flange elbow, a bolt body detachably arranged at the top end of the valve body, a copper nut arranged at the top end of the bolt body, a valve rod arranged at the inner side of the copper nut, an anti-rotation sleeve arranged at the top end of the bolt body and used for sleeving the copper nut, a connecting rod detachably arranged at the bottom of the valve rod, a connecting piece detachably arranged at the bottom of the connecting rod, a valve clack arranged at the bottom of the connecting piece, a ground bolt wrench arranged at the top end of the valve rod, at least three water outlet pipes arranged at the top end of the bolt body and a large water cover detachably arranged on the water outlet pipes, wherein the connecting rod rotatably penetrates through the anti-rotation sleeve, and the bolt body is provided with an anti-drop chain connected with the large water cover; still including locating the pressure sensor in the valve clack bottom, locating the valve clack bottom and being close to the sealed lid of the sensor on outer edge, locating the signal box of bolt body middle part one side, locating battery in the signal box, locating the signal circuit board subassembly in the signal box, locating flow switch and detachably in the signal box and locating the sealed lid that the bolt body one side was kept away from to the signal box, the flowmeter is installed to detachably in the valve body, flow switch, flowmeter, pressure sensor and battery all are connected with signal circuit board subassembly electricity, the bolt body is passed to flow switch one side.

According to the fire hydrant, through the arrangement of the pressure sensor, when the fire hydrant is used, the pressure sensor converts a water pressure signal in the fire hydrant into an electric signal to be sent to the signal circuit board assembly, the signal circuit board assembly marks and numbers a detection signal and sends the detection signal to an external fire center or other management platforms at regular time, the external fire center or other management platforms can remotely obtain water pressure data of each fire hydrant, and the problem of high cost caused by the fact that personnel are required to check each fire hydrant after long-time use is solved; the flow switch and the flowmeter are arranged, wherein the flowmeter converts the water flow speed and the accumulated flow in the valve body into electric signals to be sent to the signal circuit board component, the signal circuit board component sends detection signals to an external fire center or other management platforms, the external fire fighting center or other management platforms can timely overhaul the fire hydrant according to the received data information when the working state of the fire hydrant is in an accidental water leakage state, the water pressure is too low or other abnormal conditions occur; and flow switch flow sends for circuit board assembly during on-line measuring, after the flow value is higher than or is less than the setting value, signal circuit board assembly sends outside fire control center or other management platforms with the unusual signal that receives, can in time send out warning signal, this flow switch and flowmeter set up respectively, measurement accuracy is high in the use, the response is fast during the use, simultaneously purchasing cost is low, it is with high costs to have avoided purchasing the flowmeter that has alarm switch, separately set up the back, when one of them part damages, later stage change maintenance cost is low, flow switch is located the bolt internal, when the fire hydrant does not use, because there is not water in the bolt internal, flow switch only contacts with water when using, make flow switch life more of a specified duration, it is durable good.

However, since the valve body provided with the flow meter and the plug body provided with the signal box are new structures formed by pouring again, the valve body and the plug body can be directly put into use to form a fire hydrant system with an intelligent monitoring function.

Disclosure of Invention

Therefore, in view of the above problems, the present invention provides a detachable intelligent fire hydrant, which can realize an intelligent detection function through structural improvement of a conventional fire hydrant and is low in cost.

In order to achieve the purpose, the invention adopts the following technical scheme:

a detachable intelligent fire hydrant comprises an elbow base, a valve body, a hydrant body, a copper nut, a valve rod, a connecting rod, a valve clack, an anti-rotation joint sleeve, an overground bolt wrench, a water outlet pipe, a large water cover, a signal box, a sensor mounting seat and a pressure relief device, wherein first flanges are arranged at two ends of the elbow base, second flanges are arranged at two ends of the valve body, a third flange is arranged at the lower end of the hydrant body, a flow channel is arranged at the middle part of the sensor mounting seat along the axial direction of the sensor mounting seat, through holes are formed in the peripheral sides of the flow channel, a detection port and a connection port which are distributed in pairs are arranged on the side of the sensor mounting seat along the radial direction of the sensor mounting seat, a flowmeter is arranged at the detection port, the sensor mounting seat is distributed between the elbow base and the valve body, and a first bolt penetrates through holes to lock and connect the first flanges at the upper end of the elbow base and the second flanges at the lower end of the valve body with the sensor mounting seat, the pressure relief device is provided with a pressure relief cavity and a detection cavity, the detection cavity is communicated with a first water inlet, a liquid level sensor is arranged in the detection cavity, the pressure relief cavity is communicated with a second water inlet and a second pressure relief opening, a pressure relief assembly is arranged in the pressure relief cavity, the first water inlet of the pressure relief device is connected with a connecting port through a connecting pipe body, the second water inlet of the pressure relief device is connected with the first pressure relief opening, an installation supporting leg is arranged outside the signal box and is in locking connection with a second flange at the upper end of the valve body and a third flange at the lower end of the bolt body through a second bolt, a battery and a signal circuit board assembly are arranged in the signal box, the battery, the flowmeter and the liquid level sensor are respectively electrically connected with the signal circuit board assembly, and the copper nut is arranged at the upper end of the bolt body, the ground bolt wrench is arranged at the upper end of the copper nut, the anti-rotation sleeve is sleeved on the copper nut, the valve rod is arranged on the inner side of the copper nut, the connecting rod is arranged at the lower end of the valve rod, the connecting rod penetrates through the anti-rotation sleeve, the valve clack is arranged at the lower end of the connecting rod, at least three water outlets are arranged on the bolt body, the water outlet pipe is arranged at the water outlet, and the large water cover is arranged at the free end of the water outlet pipe.

Further, the sensor mount pad includes integrated into one piece's last disk body, lower disk body, connecting pipe and a plurality of supporting seat, the middle part of going up disk body, lower disk body is equipped with upper shed and under shed respectively, it is equipped with the connecting hole just to be located upper shed week side on the disk body to go up, just it is equipped with down the connecting hole to be located under shed week side on the lower disk body, upper shed and under shed are connected to the connecting pipe, constitute the runner through upper shed, connecting pipe, under shed, the supporting seat is equipped with the radial outside of connecting pipe to distribute between last disk body and lower disk body, be equipped with the middle part connecting hole of connecting hole and under connecting hole on the supporting seat, constitute the through-hole through upper connecting hole, middle part connecting hole, under connecting hole, each detection mouth, connector all locate on the connecting pipe, and distribute in two between the supporting seat.

Further, pressure relief device includes the casing, the inner chamber has in the casing, the inner intracavity is equipped with a baffle, falls into the pressure release chamber with the inner chamber and detects the chamber, it is located the downside in pressure release chamber to detect the chamber, the lower extreme of casing is located to first water inlet, the side of casing is located to the second water inlet, the upper end of casing is located to the second pressure release mouth, be equipped with the pressure release runner of intercommunication second water inlet and second pressure release mouth in the pressure release chamber, the pressure release subassembly is located on the pressure release runner.

Furthermore, the pressure relief assembly comprises a first valve seat arranged on the pressure relief flow channel, a first metal ball arranged on the first valve seat and a first spring.

Furthermore, a second pressure sensor is arranged at the pressure relief opening, a first electromagnet used for magnetically attracting the first metal ball and used for closing the pressure relief flow channel is arranged on the first valve seat, and the first electromagnet and the second pressure sensor are respectively electrically connected with the signal circuit board assembly.

Further, be equipped with the opening on the baffle, it is equipped with the supplementary pressure release runner of connecting first water inlet and second pressure release mouth to detect the intracavity, level sensor locates in the supplementary pressure release runner, be equipped with supplementary pressure release subassembly in the supplementary pressure release runner.

Furthermore, the auxiliary pressure relief assembly comprises a second valve seat arranged on the auxiliary pressure relief flow channel, a second metal ball arranged on the second valve seat and a second spring, and the elastic coefficient of the second spring is greater than that of the first spring.

Furthermore, a second electromagnet used for magnetically attracting a second metal ball and used for closing the auxiliary pressure relief flow channel is arranged on the second valve seat, and the second electromagnet is electrically connected with the signal circuit board assembly.

Furthermore, the input end of the elbow pipe base is provided with a booster pump, and the booster pump is electrically connected with the signal circuit board assembly.

Further, the installation stabilizer blade includes parallel distribution locates the connecting plate of signal box bottom and locates the backup pad of connecting plate bottom, the backup pad is the arc structure, just be located between two connecting plates in the backup pad and be located the horizontal outside of two connecting plates and all be equipped with the mounting hole that supplies the second bolt to pass.

By adopting the technical scheme, the invention has the beneficial effects that: the detachable intelligent fire hydrant is characterized in that a sensor mounting seat, a pressure relief device and a signal box are designed by combining the characteristics of the fire hydrant with a traditional structure, and is used for being matched with the traditional fire hydrant to carry out structural improvement, so that the detachable connection mode of the valve body and the hydrant body and the research of a first pressure relief opening on the valve body can be incorporated into an intelligent detection system to realize intelligent management, and by the design, the traditional fire hydrant can be modified, the problem of direct replacement is avoided, the cost is greatly reduced, in particular, through the research on a bent pipe base and a valve body on the traditional fire hydrant, the detachable connection mode of the valve body and the hydrant body and the research on the first pressure relief opening on the valve body, through the detachable connection mode of the sensor mounting seat structure and the valve body, sensors such as a flowmeter and the like are arranged on the sensor mounting seat, meanwhile, the device is arranged on the first pressure relief opening and communicated with a pressure relief connecting opening on the sensor mounting seat, and a liquid level sensor is arranged in the pressure relief device, the pressure relief effect can be realized while the pressure detection function can be realized, the signal box and the valve body can be detachably connected with the valve body, thereby, the characteristics of the intelligent fire hydrant mounting seat and the monitoring function of the fire hydrant are improved, and the influence of the normal modification of the modification are realized, and the improvement of the monitoring of the fire hydrant structure and the monitoring of the fire hydrant, and the improvement of the monitoring of the fire hydrant, and the influence of the normal use of the fire hydrant; when the fire hydrant hydraulic pressure monitoring device is used, a hydraulic pressure signal in the fire hydrant is converted into an electric signal to be sent to the signal circuit board assembly through the arrangement of the liquid level sensor, the signal circuit board assembly marks and numbers a detection signal and sends the detection signal to an external fire center or other management platforms at regular time, the external fire center or other management platforms can remotely obtain the hydraulic pressure data of each fire hydrant, and the problem of high cost caused by the fact that personnel are required to check each fire hydrant after long-time use is solved; the flowmeter is arranged, wherein the flowmeter converts the water flow speed and the accumulated flow in the valve body into electric signals to be sent to the signal circuit board assembly, the signal circuit board assembly sends detection signals to an external fire-fighting center or other management platforms, the external fire-fighting center or other management platforms can carry out working state on the fire hydrant according to water pressure and water flow, and when accidental water leakage, too low water pressure or other abnormal conditions occur, the external fire-fighting center or other management platforms can carry out timely maintenance on the fire hydrant through received data information; and, its simple structure, when one of them part damages, later stage replacement maintenance cost is low.

Drawings

FIG. 1 is a schematic perspective view of a first configuration of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a second configuration of an embodiment of the present invention;

FIG. 3 is a schematic perspective view of another perspective of a second structure according to an embodiment of the present invention;

FIG. 4 is a partially exploded view of a second configuration of an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a sensor mount according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a pressure relief device in an embodiment of the present invention;

FIG. 7 is a cross-sectional structural schematic view of a seal assembly in an embodiment of the present invention when not installed;

FIG. 8 is a cross-sectional schematic view of a seal assembly in an embodiment of the present invention as installed;

FIG. 9 is a schematic cross-sectional view of a coupling assembly in an embodiment of the present invention;

fig. 10 is a circuit block diagram of an embodiment of the invention.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the invention is as follows:

referring to fig. 1, 2, 3, 4 and 10, a detachable intelligent fire hydrant includes a bent pipe base 1, a valve body 2, a hydrant body 3, a copper nut 4, a valve rod 5, a connecting rod 6, a valve flap 7, an anti-rotation sleeve 8, an above-ground bolt wrench 9, a water outlet pipe 10, a large water cover 11, a signal box 12, a sensor mounting seat 13 and a pressure relief device 14, wherein both ends of the bent pipe base 1 are respectively provided with a first flange 15, both ends of the valve body 2 are respectively provided with a second flange 16, a lower end of the hydrant body 3 is provided with a third flange 17, a flow channel 18 is arranged in the middle of the sensor mounting seat 13 along the axial direction thereof, a through hole 19 is arranged on the peripheral side of the flow channel 18, a detection port 20 and a connection port 21 are arranged on the side of the sensor mounting seat 13 along the radial direction thereof in a paired manner, a flow meter 22 is arranged at the detection port 20, the sensor mounting seat 13 is distributed between the bent pipe base 1 and the valve body 2, and the first bolt 23 penetrates through the through hole 19 to lock and connect the first flange 15 at the upper end of the elbow base 1, the second flange 16 at the lower end of the valve body 2 and the sensor mounting seat 13, the valve body 2 is provided with a first pressure relief opening 24, the pressure relief device 14 is provided with a pressure relief cavity 141 and a detection cavity 142, the detection cavity 142 is communicated with a first water inlet 143, a liquid level sensor 25 is arranged in the detection cavity 142, the pressure relief cavity 141 is communicated with a second water inlet 144 and a second pressure relief opening 145, a pressure relief assembly 26 is arranged in the pressure relief cavity 141, the first water inlet 143 of the pressure relief device 14 is connected with the connecting port 21 through a connecting pipe body 27, the second water inlet 144 of the pressure relief device 26 is connected with the first pressure relief opening 24, the signal box 12 is externally provided with a mounting support leg 28, and the mounting support leg 28 is connected with the second flange 16 at the upper end of the valve body 2 through a second bolt 29, the third flange 17 of the lower end of the bolt body 3 is locked and connected, a battery 30 and a signal circuit board assembly 31 are arranged in the signal box 12, the battery 30, the flowmeter 22 and the liquid level sensor 25 are respectively electrically connected with the signal circuit board assembly 31, the copper nut 4 is arranged at the upper end of the bolt body 3, the ground bolt wrench 9 is arranged at the upper end of the copper nut 4, the anti-rotation sleeve 8 is sleeved on the copper nut 4, the valve rod 5 is arranged at the inner side of the copper nut 4, the connecting rod 6 is arranged at the lower end of the valve rod 5, the connecting rod 6 penetrates through the anti-rotation sleeve 8, the valve clack 7 is arranged at the lower end of the connecting rod 6, the bolt body 3 is provided with three water outlets 300, the water outlet pipe 10 is arranged at the water outlet 300, and the large water cover 11 is arranged at the free end of the water outlet pipe 10.

The detachable intelligent fire hydrant designs the structures of the sensor mounting seat 13, the pressure relief device 14 and the signal box 12 by combining the fire hydrant characteristics of the traditional structure, is used for being matched with the traditional fire hydrant to carry out structural improvement, thereby being capable of being incorporated into an intelligent detection system to realize intelligent management, and by the design, the traditional fire hydrant can be transformed, the problem of direct replacement is avoided, the cost is greatly reduced, in particular, by researching the detachable connection mode of the elbow base 1 and the valve body 2, the valve body 2 and the hydrant body 3 on the traditional fire hydrant and the first pressure relief port 24 on the valve body 2, by forming the detachable connection of the designed structure of the sensor mounting seat 13 with the elbow base 1 and the valve body 2, and arranging sensors such as a flowmeter 22 and the like on the sensor mounting seat 13, meanwhile, the pressure relief device 14 is arranged on the first pressure relief opening 24 and is communicated with the connecting opening 21 on the sensor mounting seat 13, the liquid level sensor 25 is arranged in the pressure relief device 14, the pressure relief effect is guaranteed, and meanwhile, the signal box 12, the valve body 2 and the bolt body 3 are detachably connected, so that the structure of the elbow base 1, the valve body 2 and the bolt body 3 is prevented from being reformed; when the fire hydrant system is used, the water pressure signal in the fire hydrant is converted into an electric signal to be sent to the signal circuit board assembly 31 through the arrangement of the liquid level sensor 25, the signal circuit board assembly 31 marks and numbers the detection signal and sends the detection signal to an external fire center or other management platforms at regular time, and the external fire center or other management platforms can remotely obtain the water pressure data of each fire hydrant, so that the problem of high cost caused by the fact that personnel are required to check each fire hydrant after long-time use is solved; the flowmeter 22 is arranged, wherein the flowmeter 22 converts the water flow speed and the accumulated flow in the valve body 2 into electric signals to be sent to the signal circuit board assembly, the signal circuit board assembly 31 sends detection signals to an external fire-fighting center or other management platforms, the external fire-fighting center or other management platforms can carry out timely maintenance on the fire hydrant through received data information according to the water pressure and the water flow to the working state of the fire hydrant, and when accidental water leakage, too low water pressure or other abnormal conditions occur; and, its simple structure, when one of them part damages, the later stage is changed the maintenance cost and is hanged down.

And, as shown in fig. 5, the sensor mounting seat 13 includes an upper disc body 131, a lower disc body 132, a connecting pipe 133 and a plurality of supporting seats 134 which are integrally formed, the middle portions of the upper disc body 131 and the lower disc body 132 are respectively provided with an upper opening and a lower opening, an upper connecting hole is arranged on the upper disc body 131 and on the side of the upper opening, a lower connecting hole is arranged on the lower disc body 132 and on the side of the lower opening, the connecting pipe 133 is connected with the upper opening and the lower opening, a flow channel 18 is formed by the upper opening, the connecting pipe 133 and the lower opening, the supporting seats 134 are provided with a radial outer side of the connecting pipe 133 and are distributed between the upper disc body 131 and the lower disc body 132, a middle connecting hole for communicating the upper connecting hole and the lower connecting hole is arranged on the supporting seat 134, a through hole 19 is formed by the upper connecting hole, the middle connecting hole and the lower connecting hole, each of the detecting ports 20 and 21 is arranged on the connecting pipe 133 and distributed between the two supporting seats 134, the supporting seats 20 and 21 are arranged on the side walls of the connecting pipe, and the supporting function of the supporting seat 134 improves the structural strength, the sensor mounting seat 13 can meet the locking connection with the base 1 and the valve body 2, the sealing connection bolt, the sealing bolt, and the sealing connection bolt can be conveniently replaced, and the mounting seat can be conveniently, and the mounting seat can be conveniently used, and the mounting seat can be conveniently.

It should be noted that the flow meter 22 includes a signal transmitting end and a signal receiving end connected by a signal line, the signal transmitting end and the signal connecting end are respectively disposed at the detection ports 20 distributed in pairs, the detection ports 20 distributed in pairs are located on the same straight line of the connecting pipe 133, and three pairs of detection ports 20 are disposed on the connecting pipe 133, that is, the number of the flow meters 22 is three, and the three detection ports are distributed along each diameter area on the same plane of the connecting pipe 133, so that the detection accuracy can be improved.

Referring to fig. 7 and 8, a sealing assembly 100 is disposed between the elbow base 1 and the sensor mount 13 and between the valve body 2 and the sensor mount 13, the sealing assembly 100 includes a collar 135 disposed on an upper surface of the upper plate 131 and a lower surface of the lower plate 132, and a sealing rubber ring 110 clamped on the collar 135, the sealing rubber ring 110 includes a ring body 111, a first supporting portion 112, an arc-shaped connecting portion 113, an inclined portion 114, and a second supporting portion 115, the ring body 111 is embedded in the inner edge of the elbow base 1 or the valve body 2, the first supporting portion 112 is connected to the free end of the ring body 111 and is laid on the inner edge of the first flange 15 or the second flange 16, the arc-shaped connecting portion 113 is disposed at an outer end of the first supporting portion 112, the inclined portion 114 is disposed at the free end of the arc-shaped connecting portion 113 and extends inward, the second supporting portion 115 is disposed at the free end of the inclined portion 114, and the second supporting portion 115 is parallel to the first supporting portion 112, the first supporting portion 112 and the second supporting portion 115 is spaced apart from the second supporting portion 115, when the elbow base 1 or the valve body 2 and the sensor mount 13 are connected to the first supporting portion 112, the second supporting portion 115 is connected to the sensor mount 13, and the sealing rubber ring 135 and the sealing rubber ring 112 is pressed against the sealing rubber ring 112, thereby preventing the sealing rubber ring 112 from being deformed.

In this embodiment, referring to fig. 6, the pressure relief device 14 includes a housing 140, the housing 140 has an inner cavity, the inner cavity is provided with a partition 146, the inner cavity is divided into a pressure relief cavity 141 and a detection cavity 142, the detection cavity 142 is located at a lower side of the pressure relief cavity 141, the first water inlet 143 is located at a lower end of the housing 140, the second water inlet 144 is located at a side edge of the housing 140, the second pressure relief opening 145 is located at an upper end of the housing 140, the pressure relief cavity 141 is provided with a pressure relief flow channel 147 communicating the second water inlet 144 and the second pressure relief opening 145, the pressure relief assembly 26 is located on the pressure relief flow channel 147, the pressure relief assembly 26 includes a first valve seat 261 located on the pressure relief flow channel 147, a first metal ball 262 and a first spring 263 located on the first valve seat 261, a second pressure sensor 32 is located at the pressure relief opening 24, and a first electromagnet 33 for closing the pressure relief flow channel 147 is provided on the first valve seat 261 and used for magnetically attracting the first metal ball 262; the baffle 146 is provided with an opening, an auxiliary pressure relief flow channel 148 connected with the first water inlet 143 and the second pressure relief opening 145 is arranged in the detection cavity 142, the liquid level sensor 25 is arranged in the auxiliary pressure relief flow channel 148, an auxiliary pressure relief assembly 34 is arranged in the auxiliary pressure relief flow channel 148, the auxiliary pressure relief assembly 34 comprises a second valve seat 341 arranged on the auxiliary pressure relief flow channel 148, a second metal ball 342 and a second spring 343 arranged on the second valve seat 341, the elastic coefficient of the second spring 343 is larger than that of the first spring 263, a second electromagnet 35 used for magnetically attracting the second metal ball 342 to close the auxiliary pressure relief flow channel 148 is arranged on the second valve seat 341, the first electromagnet 33, the second electromagnet 35 and the second pressure sensor 32 are electrically connected with the signal circuit board assembly 31, in addition, the input end of the elbow base 1 is provided with a booster pump 36, and the booster pump 36 is electrically connected with the signal circuit board assembly 31.

When the fire hydrant is used, adjust by outlet pipe spun water pressure through pressure release subassembly 26, when pressure is too big, extrude first spring 263 through first metal ball, make pressure release runner 147 open, realize the pressure release effect, and the supplementary pressure release subassembly 34 that sets up, can well balance the water pressure at valve clack 7 both ends, make the rivers velocity of flow stable, guarantee the stability of water spray, realize the maximize of flow, and then improve fire extinguishing efficiency, level sensor 25 that sets up simultaneously can monitor the pressure size in the fire hydrant in advance, and send detected signal for outside fire control center or other management platforms through signal circuit board subassembly 31, when the conflagration takes place, the fire fighter arrives in the conflagration scene, can judge required water pressure size and rivers lift size in advance through outside fire control center or other management platforms, adjust the pressure release pressure size through first electro-magnet 33 and second electro-magnet 35, and control booster pump 36 work, make the water pressure in the fire hydrant satisfy the water pressure size, long-time pressurization preparation has been avoided, and efficiency is improved.

Further, installation stabilizer blade 28 includes that parallel distribution locates the connecting plate 281 of signal box 12 bottom and locates the backup pad 282 of connecting plate 281 bottom, backup pad 282 is the arc structure, on the backup pad 282 and lie in between two connecting plates 281 and lie in the horizontal outside of two connecting plates 281 and all be equipped with the mounting hole 283 that supplies second bolt 29 to pass, the medial surface of signal box 12 is the arcwall face, is convenient for attach in the external surface of the bolt of fire hydrant, reduces space utilization, improves the compactness of structure to be equipped with magnet on this medial surface, be convenient for adsorb on the fire hydrant, be applicable to the installation of traditional fire hydrant simultaneously, improve the joint strength of signal box 12.

Referring to fig. 8, a connection assembly 200 for installing the flow meter 22 is disposed on the detection port 20, the connection assembly 200 includes an installation tube 201 in threaded connection with the detection port 20, a convex edge 202 disposed at the inner end of the installation tube 201, an L-shaped guide groove 203 disposed on the inner surface of the installation tube 201, a clamping seat 204 clamped in the installation tube 201, a return spring 205 located between the convex edge 202 and the clamping seat 204, and an end cap 206 in threaded connection with the outer end of the installation tube 201, the flow meter 22 is installed on the clamping seat 204, a clamping block 207 and a sealing ring 208 are disposed at the peripheral edge of the clamping seat 204, the return spring 205 is pressed by the clamping block 207 along the L-shaped guide groove 203 in an inward sliding manner, so that the clamping seat 204 slides inward and is clamped in the L-shaped guide groove 203, the flow meter 22 is installed by the end cap 206 in threaded connection with the installation tube 201, the sealing performance of connection is good and firm, when the flow meter is disassembled and replaced, the end cap 206 is unscrewed, the clamping seat 204 is rotated, and the clamping seat 204 is popped up by the return spring 205, thereby facilitating the disassembly and the installation and the convenience of use is improved.

While the invention has been particularly 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 spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a detachable intelligent fire hydrant which characterized in that: the device comprises a bent pipe base, a valve body, a bolt body, a copper nut, a valve rod, a connecting rod, a valve clack, an anti-rotation sleeve, an overground bolt wrench, a water outlet pipe, a large water cover, a signal box, a sensor mounting seat and a pressure relief device, wherein first flanges are arranged at two ends of the bent pipe base, second flanges are arranged at two ends of the valve body, a third flange is arranged at the lower end of the bolt body, a flow channel is arranged in the middle of the sensor mounting seat along the axial direction of the sensor mounting seat, through holes are formed in the peripheral sides of the flow channel, a detection port and a connecting port which are distributed in pairs are formed in the side face of the sensor mounting seat along the radial direction of the sensor mounting seat, a flow meter is arranged at the detection port, the sensor mounting seat is distributed between the bent pipe base and the valve body, and a first bolt penetrates through holes to lock and connect the first flanges at the upper end of the bent pipe base and the second flanges at the lower end of the valve body with the sensor mounting seat, the pressure relief device is provided with a pressure relief cavity and a detection cavity, the detection cavity is communicated with a first water inlet, a liquid level sensor is arranged in the detection cavity, the pressure relief cavity is communicated with a second water inlet and a second pressure relief opening, a pressure relief assembly is arranged in the pressure relief cavity, the first water inlet of the pressure relief device is connected with a connecting port through a connecting pipe body, the second water inlet of the pressure relief device is connected with the first pressure relief opening, an installation supporting leg is arranged outside the signal box and is in locking connection with a second flange at the upper end of the valve body and a third flange at the lower end of the bolt body through a second bolt, a battery and a signal circuit board assembly are arranged in the signal box, the battery, the flowmeter and the liquid level sensor are respectively and electrically connected with the signal circuit board assembly, the copper nut is arranged at the upper end of the bolt body, and the ground wrench is arranged at the upper end of the copper nut, the anti-rotation connecting sleeve is sleeved on the copper nut, the valve rod is arranged on the inner side of the copper nut, the lower end of the valve rod is arranged on the connecting rod, the connecting rod penetrates through the anti-rotation connecting sleeve, the valve clack is arranged at the lower end of the connecting rod, at least three water outlets are formed in the bolt body, the water outlet pipe is arranged at the water outlet, and the large water cover is arranged at the free end of the water outlet pipe.

2. The detachable intelligent fire hydrant in claim 1, wherein: the sensor mount pad includes integrated into one piece's last disk body, lower disk body, connecting pipe and a plurality of supporting seat, the middle part of going up disk body, lower disk body is equipped with upper shed and under shed respectively, it is equipped with the connecting hole just to be located upper shed week side on the last disk body, it is equipped with down the connecting hole just to be located under shed week side on the lower disk body, upper shed and under shed are connected to the connecting pipe, constitute the runner through upper shed, connecting pipe, under shed, the supporting seat is equipped with the radial outside of connecting pipe to distribute between last disk body and lower disk body, be equipped with the middle part connecting hole of connecting hole and under shed on the supporting seat, constitute the through-hole through upper connecting hole, middle part connecting hole, under shed, each detection mouth, connector all locate on the connecting pipe, and distribute in two between the supporting seat.

3. The detachable intelligent fire hydrant in claim 1 or 2, characterized in that: the pressure relief device comprises a shell, an inner cavity is formed in the shell, a partition plate is arranged in the inner cavity, the inner cavity is divided into a pressure relief cavity and a detection cavity, the detection cavity is located on the lower side of the pressure relief cavity, the first water inlet is arranged at the lower end of the shell, the second water inlet is arranged on the side edge of the shell, the second pressure relief opening is arranged at the upper end of the shell, a pressure relief flow channel for communicating the second water inlet with the second pressure relief opening is formed in the pressure relief cavity, and the pressure relief assembly is arranged on the pressure relief flow channel.

4. The detachable intelligent fire hydrant in claim 3, wherein: the pressure relief assembly comprises a first valve seat arranged on the pressure relief flow channel, a first metal ball arranged on the first valve seat and a first spring.

5. The detachable intelligent fire hydrant in claim 4, wherein: the pressure relief opening is provided with a second pressure sensor, the first valve seat is provided with a first electromagnet for magnetically attracting a first metal ball to close the pressure relief flow passage, and the first electromagnet and the second pressure sensor are respectively electrically connected with the signal circuit board assembly.

6. The detachable intelligent fire hydrant according to claim 5, wherein: the liquid level sensor is arranged in the auxiliary pressure relief flow channel, and an auxiliary pressure relief assembly is arranged in the auxiliary pressure relief flow channel.

7. The detachable intelligent fire hydrant according to claim 6, wherein: the auxiliary pressure relief assembly comprises a second valve seat arranged on the auxiliary pressure relief flow channel, a second metal ball arranged on the second valve seat and a second spring, and the elastic coefficient of the second spring is greater than that of the first spring.

8. The detachable intelligent fire hydrant in claim 7, wherein: and a second electromagnet for magnetically attracting a second metal ball to close the auxiliary pressure relief flow channel is arranged on the second valve seat, and the second electromagnet is electrically connected with the signal circuit board assembly.

9. The detachable intelligent fire hydrant in claim 8, wherein: the input of return bend base is equipped with the booster pump, the booster pump is connected with signal circuit board assembly electricity.

10. The detachable intelligent fire hydrant according to claim 1, wherein: the installation stabilizer blade includes parallel distribution locates the connecting plate of signal box bottom and locates the backup pad of connecting plate bottom, the backup pad is the arc structure, just be located between two connecting plates in the backup pad and be located the horizontal outside of two connecting plates and all be equipped with the mounting hole that supplies the second bolt to pass.

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