CN115560252B

CN115560252B - Fire control monitoring alarm system for building

Info

Publication number: CN115560252B
Application number: CN202211156116.5A
Authority: CN
Inventors: 董招
Original assignee: Guangdong Housing Construction Engineering Co ltd
Current assignee: Guangdong Housing Construction Engineering Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-06-06
Anticipated expiration: 2042-09-22
Also published as: CN115560252A

Abstract

The invention relates to the technical field of building fire protection, and discloses a fire protection monitoring and alarming system for a building, which comprises a fire hydrant monitoring unit, a smoke monitoring unit, a circuit monitoring unit, a video monitoring unit, a wireless communication unit, a data acquisition unit, a data analysis unit, a central management unit, an alarming unit, an emergency unit and a data storage unit, wherein the fire hydrant monitoring unit monitors water pressure and water flow leakage data of a fire hydrant in the building; this fire control monitoring alarm system for building carries out comprehensive monitoring in to the building, and then can in time discover dangerous situation, carries out in time report to the police and carry out emergent dredging, through the monitoring mechanism who sets up, can in time discover that the fire hydrant takes place to reveal, avoids causing loss of property, drives shutoff mechanism operation through the actuating mechanism who sets up, and the gasbag constantly expands after the gasbag stretches into the body, blocks the inside shutoff of body to prevent that rivers from continuing to reveal, also be convenient for the staff in time maintains.

Description

Fire control monitoring alarm system for building

Technical Field

The invention relates to the technical field of fire protection of buildings, in particular to a fire protection monitoring and alarming system for a building.

Background

Fire control monitoring alarm system can be installed in the building generally to this avoids certain risk, prevents the monitoring to calamity such as conflagration, and current fire control monitoring alarm system monitors early warning to smog or temperature in the building mostly.

In life, the fire hydrant has the condition of insufficient water pressure, if the fire hydrant is not repaired in time, rescue is delayed to generate larger loss once a fire disaster occurs, meanwhile, when corresponding personnel flow is lacking near the fire hydrant, if the fire hydrant has water leakage, the fire hydrant cannot be found in time, a certain property loss is caused after water leakage, and when the repair is not found in time, rescue time is delayed when the fire disaster occurs in a sudden.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a fire control monitoring alarm system for a building, which solves the problems that a fire hydrant has insufficient water pressure, if the fire hydrant is not repaired in time, rescue is delayed to generate larger loss, meanwhile, when corresponding personnel flow is lacking near the fire hydrant, if the fire hydrant has water leakage, the fire hydrant cannot be found in time, a certain property loss is caused after water leakage, and when the repairing is not found in time, the rescue time is delayed when the fire disaster is suddenly caused.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a fire control monitoring alarm system for building, includes fire hydrant monitoring element, smog monitoring element, circuit monitoring element, video monitoring element, wireless communication unit, data acquisition unit, data analysis unit, central management unit, alarm unit, emergent unit and data storage unit, the data is revealed to the water pressure and the rivers of fire hydrant in its monitoring building, smog monitoring element, circuit monitoring element and video monitoring element monitor smog concentration data, circuit voltage and real-time video monitoring information in the building respectively to transmit the data information of monitoring to the data acquisition unit in through wireless communication unit, the data acquisition unit gathers the data information of monitoring and transmits to the data analysis unit in, the data analysis unit carries out analysis to the data information of monitoring of data acquisition unit transmission and judges whether surpass the threshold value of predetermineeing, if surpass the threshold value then inform alarm unit and report to the police and start emergent unit, in with data information transmission to central management unit and data storage unit simultaneously.

Preferably, the output ends of the fire hydrant monitoring unit, the smoke monitoring unit, the circuit monitoring unit and the video monitoring unit are all connected with the output end of the wireless communication unit, the output end of the wireless communication unit is connected with the input end of the data acquisition unit, the output end of the data acquisition unit is connected with the input end of the data analysis unit, and the output end of the data analysis unit is connected with the input ends of the central management unit, the alarm unit, the emergency unit and the data storage unit respectively.

Preferably, the emergency unit comprises an emergency lighting module, a voice prompt module and a buzzing warning module, the central management unit comprises an input module, a building information module, a fire-fighting information module and a video display module, the output end of the input module is respectively connected with the input ends of the building information module and the fire-fighting information module, and the output ends of the data analysis unit, the building information module and the fire-fighting information module are respectively connected with the input ends of the video display module.

Preferably, the hydrant monitoring unit further comprises a body, the two monitoring mechanisms are symmetrically arranged on two sides of the body, the driving mechanism is arranged on the lower side of the monitoring mechanism, the blocking mechanism is arranged on the lower side of the monitoring mechanism, one side of the blocking mechanism is connected with the driving mechanism, the blocking mechanism comprises a transverse shaft, the driving mechanism drives the blocking mechanism to translate along the axial direction of the transverse shaft, and the gas collecting mechanism is arranged on the lower side of the blocking mechanism.

Preferably, the monitoring mechanism comprises a shell, shell one side and body fixed connection, fixed mounting has the platform that catchments on the shell, sliding connection has the slider on the platform that catchments, slider one side fixedly connected with gag lever post, slotted hole has been seted up in inside running through of slider and gag lever post, outside fixed mounting in gag lever post one side has the ejector pad, ejector pad one side fixedly connected with spring one, spring one side and the platform inner wall fixed connection that catchments.

Preferably, a pressing block is fixedly connected to one side of the limiting rod through a fixing frame, a pressure-sensitive switch is arranged on the lower side of the pressing block, an alarm is fixedly arranged on one side of the shell, and the pressure-sensitive switch is electrically connected with the alarm.

Preferably, the shell downside fixed mounting has the drain pipe, the drain pipe both sides all communicate and are divided the pipe, every group divide pipe one end to be linked together with the shell, the water collecting table both sides intercommunication has the shunt tubes.

Preferably, the driving mechanism comprises a protective box, protective box one side and body fixed connection, protective box one side fixed mounting has the motor, through electric connection between motor and the pressure switch, the output shaft one end fixedly connected with initiative fluted disc of motor, initiative fluted disc one side meshing has driven fluted disc, the inside sliding connection of driven fluted disc has the main shaft, the outside rotation of main shaft is connected with the fixed plate, fixed plate one side and protective box inner wall fixed connection, fixed plate one side fixedly connected with spring two, spring two one side and driven fluted disc looks butt.

Preferably, the plugging mechanism further comprises a sealing plate fixedly mounted inside the protective box, the outer part of the transverse shaft is in sliding connection with the inner wall of the sealing plate, the inner part of the transverse shaft is in threaded connection with the main shaft, a fixing table is fixedly connected to one side of the transverse shaft, a limiting block is fixedly mounted on the upper side of the fixing table, an air bag is fixedly connected to one side of the fixing table, and a through hole is formed in one side of the body, located in the air bag, of the body.

Preferably, the gas collecting mechanism comprises a push plate which is in sliding connection with the driven fluted disc, one side of the push plate is in sliding connection with the inner wall of the protective box, a gas collecting groove is fixedly arranged in the protective box, a sliding plate is fixedly connected inside the gas collecting groove, a push rod is fixedly connected to one side of the sliding plate, a vertical plate is fixedly connected to the outer portion of the push rod in a sliding manner, a spring III is sleeved outside the push rod, one side of the spring III is fixedly connected with the vertical plate, one side of the gas collecting groove is communicated with an air inlet pipe, one side of an adjacent air inlet pipe on the gas collecting groove is communicated with an exhaust pipe, one end of the exhaust pipe is communicated with an air bag, and one ends of the air inlet pipe and the exhaust pipe are respectively provided with a one-way valve.

(III) beneficial effects

Compared with the prior art, the invention provides a fire-fighting monitoring alarm system for a building, which has the following beneficial effects:

1. according to the fire control monitoring alarm system for the building, the fire hydrant monitoring unit is used for monitoring water pressure and water flow leakage data of the fire hydrant in the building, the smoke monitoring unit, the circuit monitoring unit and the video monitoring unit are used for respectively monitoring smoke concentration data, circuit voltage and real-time video monitoring information in the building, so that comprehensive monitoring is carried out in the building, dangerous situations can be found timely, the data analysis unit is used for analyzing and judging whether the monitored data exceeds a preset threshold value, if the monitored data exceeds the threshold value, the alarm unit is informed to alarm and start an emergency unit, and therefore timely alarm and emergency dredging can be carried out;

2. according to the fire control monitoring alarm system for the building, water leakage monitoring is carried out on the fire hydrant through the set monitoring mechanism, when leakage water flow is small, water directly flows into the drain pipe from the slotted hole to be discharged, the alarm is prevented from being triggered when the leakage water flow is large, the sliding block is pressed downwards by the gravity of the water, the push block presses the pressure sensing switch, the pressure sensing switch starts the alarm to alarm, accordingly, leakage of the fire hydrant is timely found, property loss is avoided, timely maintenance can be carried out, meanwhile, after the sliding block slides downwards, the water flows into the shell from the split pipe and flows into the drain pipe from the split pipe, and overflow of the water from the water collecting table is avoided when the leakage of the water is too large;

3. this fire control monitoring alarm system for building drives shutoff mechanism operation through the actuating mechanism who sets up, and initiative fluted disc rotates and drives driven fluted disc and rotate, and then the main shaft rotates, and the cross shaft moves along main shaft axial direction, and after the gasbag stretched into inside the body, the stopper is to hindering the cross shaft and continue the translation, and driven fluted disc slides along main shaft axial direction is reciprocal, and the push pedal promotes the push rod, and under the effect of three elasticity of spring, the slide slides along the gas-collecting channel is reciprocal, and the gasbag constantly expands, blocks the inside shutoff of body to prevent that rivers from continuing revealing, also the staff of being convenient for in time maintains.

Drawings

FIG. 1 is a schematic block diagram of a fire monitoring alarm system for construction according to the present invention;

FIG. 2 is a block diagram of a central management unit system according to the present invention;

FIG. 3 is a block diagram of an emergency unit system according to the present invention;

FIG. 4 is a schematic cross-sectional view of a monitoring mechanism according to the present invention;

FIG. 5 is a schematic view of the appearance of the monitoring mechanism according to the present invention;

FIG. 6 is an enlarged schematic view of the portion A of FIG. 4 according to the present invention;

FIG. 7 is a schematic diagram showing the combination of the driving mechanism, the plugging mechanism and the body according to the present invention;

fig. 8 is an enlarged schematic view of fig. 4 at B according to the present invention.

In the figure: 1. a hydrant monitoring unit; 2. a smoke monitoring unit; 3. a circuit monitoring unit; 4. a video monitoring unit; 5. a wireless communication unit; 6. a data acquisition unit; 7. a data analysis unit; 8. a central management unit; 81. an input module; 82. a building information module; 83. a fire information module; 84. a video display module; 9. an alarm unit; 10. an emergency unit; 101. an emergency lighting module; 102. a voice prompt module; 103. a buzzer warning module; 11. a body; 12. a monitoring mechanism; 121. a housing; 122. a water collecting table; 1221. a shunt; 123. a slide block; 124. a limit rod; 1241. a slot hole; 125. a pushing block; 126. a first spring; 127. a pressure-sensitive switch; 1271. an alarm; 128. a drain pipe; 129. a branch pipe; 13. a driving mechanism; 131. a protective box; 132. a motor; 133. a driving fluted disc; 134. a driven fluted disc; 135. a main shaft; 136. a fixing plate; 137. a second spring; 14. a plugging mechanism; 141. a horizontal axis; 142. a sealing plate; 143. a fixed table; 144. an air bag; 145. a through hole; 146. a limiting block; 15. a gas collecting mechanism; 151. a push plate; 152. a gas collecting tank; 153. a slide plate; 154. a push rod; 155. a riser; 156. a third spring; 157. an air inlet pipe; 158. an exhaust pipe; 159. a one-way valve; 16. and a data storage unit.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

referring to fig. 1-3, a fire-fighting monitoring alarm system for building comprises a fire hydrant monitoring unit 1, a smoke monitoring unit 2, a circuit monitoring unit 3, a video monitoring unit 4, a wireless communication unit 5, a data acquisition unit 6, a data analysis unit 7, a central management unit 8, an alarm unit 9, an emergency unit 10 and a data storage unit 16, wherein the output ends of the fire hydrant monitoring unit 1, the smoke monitoring unit 2, the circuit monitoring unit 3 and the video monitoring unit 4 are all connected with the output end of the wireless communication unit 5, the output end of the wireless communication unit 5 is connected with the input end of the data acquisition unit 6, the output end of the data acquisition unit 6 is connected with the input end of the data analysis unit 7, the output end of the data analysis unit 7 is respectively connected with the input ends of the central management unit 8, the alarm unit 9, the emergency unit 10 and the data storage unit 16, and the data storage unit 16 stores monitored data information;

the emergency unit 10 comprises an emergency lighting module 101, a voice prompt module 102 and a buzzing warning module 103, wherein the emergency lighting module 101 performs emergency lighting, the voice prompt module 102 performs broadcasting voice prompt, the buzzing warning module 103 gives out buzzing warning crowd, the central management unit 8 comprises an input module 81, a building information module 82, a fire-fighting information module 83 and a video display module 84, the output end of the input module 81 is respectively connected with the input ends of the building information module 82 and the fire-fighting information module 83, the output ends of the data analysis unit 7, the building information module 82 and the fire-fighting information module 83 are respectively connected with the input end of the video display module 84, and the building information module 82 and the fire-fighting information module 83 respectively send construction information and fire-fighting equipment information of a building into the video display module 84 for staff to analyze and judge;

the fire hydrant monitoring unit 1 is used for monitoring water pressure and water flow leakage data of a fire hydrant in a building, the smoke monitoring unit 2, the circuit monitoring unit 3 and the video monitoring unit 4 are used for respectively monitoring smoke concentration data, circuit voltage and real-time video monitoring information in the building, the monitored data information is transmitted into the data acquisition unit 6 through the wireless communication unit 5, and the data acquisition unit 6 is used for summarizing the monitored data information and transmitting the summarized data information into the data analysis unit 7;

the data analysis unit 7, the data analysis unit 7 analyzes the monitored data information transmitted by the data acquisition unit 6 to judge whether the monitored data exceeds a preset threshold value, if so, the alarm unit 9 is informed to alarm and start the emergency unit 10, and meanwhile, the data information is transmitted to the central management unit 8 and the data storage unit 16.

Embodiment two:

referring to fig. 4-8, the present embodiment provides a technical solution based on the first embodiment: the hydrant monitoring unit 1 further comprises a body 11;

the two monitoring mechanisms 12 are symmetrically arranged on two sides of the body 11, the monitoring mechanisms 12 comprise a shell 121, one side of the shell 121 is fixedly connected with the body 11, a water collecting table 122 is fixedly arranged on the shell 121, a sliding block 123 is connected onto the water collecting table 122 in a sliding manner, a limiting rod 124 is fixedly connected onto one side of the sliding block 123, a slotted hole 1241 is formed in the sliding block 123 and the limiting rod 124 in a penetrating manner, when leakage occurs in the body 11, water flows into the water collecting table 122 on the shell 121 and is discharged from the slotted hole 1241 formed in the sliding block 123 and the limiting rod 124, a push block 125 is fixedly arranged on the outer side of one side of the limiting rod 124, a first spring 126 is fixedly connected onto one side of the push block 125, and one side of the first spring 126 is fixedly connected with the inner wall of the water collecting table 122, so that the push block 125 is convenient to reset;

one side of the limiting rod 124 is fixedly connected with a pressing block 125 through a fixing frame, a pressure-sensitive switch 127 is arranged on the lower side of the pressing block 125, an alarm 1271 is fixedly arranged on one side of the shell 121, a drain pipe 128 is fixedly arranged on the lower side of the shell 121 through electric connection between the pressure-sensitive switch 127 and the alarm 1271, branch pipes 129 are communicated with two sides of the drain pipe 128, one end of each branch pipe 129 is communicated with the shell 121, branch pipes 1221 are communicated with two sides of the water collecting table 122, and after the sliding block 123 slides downwards, water flows into the shell 121 from the branch pipes 1221 and flows into the drain pipe 128 from the branch pipes 129, so that overflow of water from the water collecting table 122 is avoided when water leakage is excessive;

the driving mechanism 13, the driving mechanism 13 is arranged at the lower side of the monitoring mechanism 12, the driving mechanism 13 comprises a protective box 131, one side of the protective box 131 is fixedly connected with the body 11, a motor 132 is fixedly arranged at one side of the protective box 131, the motor 132 is electrically connected with the pressure-sensitive switch 127, one end of an output shaft of the motor 132 is fixedly connected with a driving fluted disc 133, one side of the driving fluted disc 133 is meshed with a driven fluted disc 134, a main shaft 135 is slidingly connected inside the driven fluted disc 134, a fixing plate 136 is rotationally connected outside the main shaft 135, the fixing plate 136 limits the main shaft 135, one side of the fixing plate 136 is fixedly connected with the inner wall of the protective box 131, one side of the fixing plate 136 is fixedly connected with a second spring 137, one side of the second spring 137 is abutted against the driven fluted disc 134, and the elasticity of the second spring 137 pushes the driven fluted disc 134;

the blocking mechanism 14, the blocking mechanism 14 is arranged at the lower side of the monitoring mechanism 11, one side of the blocking mechanism 14 is connected with the driving mechanism 13, the blocking mechanism 14 comprises a transverse shaft 141, the driving mechanism 13 drives the blocking mechanism 14 to translate along the axial direction of the transverse shaft 141, the blocking mechanism 14 further comprises a sealing plate 142 fixedly arranged in the protective box 131, the outer part of the transverse shaft 141 is in sliding connection with the inner wall of the sealing plate 142, the inner part of the transverse shaft 141 is in threaded connection with the main shaft 135, one side of the transverse shaft 141 is fixedly connected with a fixing table 143, the upper side of the fixing table 143 is fixedly provided with a limiting block 146, one side of the fixing table 143 is fixedly connected with an air bag 144, one side of the body 11, which is positioned on the air bag 144, is provided with a through hole 145, the through hole 145 is convenient for the air bag 144 to extend into the body 11, and the air bag 144 is inflated to block the inner part of the body 11;

the gas collecting mechanism 15, the gas collecting mechanism 15 sets up in shutoff mechanism 14 downside, gas collecting mechanism 15 includes push pedal 151 with driven fluted disc 134 sliding connection, push pedal 151 one side and the inner wall sliding connection of protective housing 131, the inside fixed mounting of protective housing 131 has gas collecting channel 152, gas collecting channel 152 inside sliding connection has slide 153, slide 153 one side fixedly connected with push rod 154, push rod 154 outside sliding connection has riser 155, the outside cover of push rod 154 has spring three 156, spring three 156 one side and riser 155 fixed connection, gas collecting channel 152 one side intercommunication has intake pipe 157, adjacent intake pipe 157 one side intercommunication has blast pipe 158 on the gas collecting channel 152, blast pipe 158 one end is linked together with gasbag 144, install check valve 159 on intake pipe 157 and the blast pipe 158, when slide 153 slides to the gas collecting channel 152 inboard, check valve 159 on the blast pipe 158 is opened, check valve 159 on the intake pipe 157 is closed, gas is pressed into the blast pipe 158 and is gone into gasbag 144, gasbag 144 is expanded, when slide 153 slides to the opposite direction, check valve 159 on the blast pipe 158 is closed, check valve 159 on the intake pipe 157 is opened, and gas is inhaled into gas collecting channel 152.

Working principle: the fire hydrant monitoring unit 1 is used for monitoring water pressure and water flow leakage data of a fire hydrant in a building, the smoke monitoring unit 2, the circuit monitoring unit 3 and the video monitoring unit 4 are used for respectively monitoring smoke concentration data, circuit voltage and real-time video monitoring information in the building, the monitored data information is transmitted into the data acquisition unit 6 through the wireless communication unit 5, and the data acquisition unit 6 is used for summarizing the monitored data information and transmitting the summarized data information into the data analysis unit 7;

the data analysis unit 7 analyzes and judges whether the monitored data exceeds a preset threshold value or not according to the monitored data information transmitted by the data acquisition unit 6, if so, the alarm unit 9 is informed to alarm and the emergency unit 10 is started, the emergency unit 10 simultaneously starts the emergency lighting module 101 to perform emergency lighting, the voice prompt module 102 performs broadcast voice prompt, and the buzzing warning module 103 sounds to warn people;

simultaneously, data information is transmitted to the central management unit 8 and the data storage unit 16, the data information is transmitted to the video display module 84 from the data analysis unit 7, the building information module 82 and the fire fighting information module 83 respectively send building construction information and fire fighting equipment information to the video display module 84 for analysis and judgment by staff, and the data storage unit 16 stores the monitored data information;

when the body 11 leaks, water flows into the water collecting table 122 on the shell 121, and flows into the drain pipe 128 from the inner side of the slotted holes 1241 formed on the sliding block 123 and the limiting rod 124 to be discharged;

when the leakage water flow is small, water directly flows into the drain pipe 128 from the slotted hole 1241 to be discharged, the phenomenon that the leakage of the small water flow triggers the alarm 1271 is avoided, property loss caused by water flow when no people find the leakage water flow is avoided, when the leakage water flow is large, the slotted hole 1241 has small aperture, water can remain on the water collecting table 122, the sliding block 123 is pressed downwards by the gravity of the water, the sliding block 123 drives the limiting rod 124 to slide downwards, the first spring 126 is compressed, the limiting rod 124 drives the pushing block 125 to slide downwards, the pushing block 125 presses the pressure sensing switch 127, the pressure sensing switch 127 starts the alarm 1271 to alarm, the situation that the fire hydrant leaks is timely found, property loss is avoided, timely maintenance can be carried out, and after the sliding block 123 slides downwards, the water flow flows into the shell 121 from the shunt pipe 1221 and flows into the drain pipe 128 from the branch pipe 129, and when the water leakage is too large, the water overflows from the water collecting table 122 is avoided;

simultaneously, through electric connection between pressure switch 127 and motor 132, motor 132 starts, initiative fluted disc 133 rotates and drives driven fluted disc 134 and rotate, and then main shaft 135 rotates, cross shaft 141 moves along main shaft 135 axial, thereby drive gasbag 144 and stretch into in body 11 through fixed station 143, after gasbag 144 stretches into inside 11, stopper 146 is to the continuous translation of hindrance cross shaft 141, under the effect of spring two 137, driven fluted disc 134 is along the reciprocal slip of main shaft 135 axial, and then drive push pedal 151 reciprocating motion, push pedal 151 promotes push rod 154, under the effect of spring three 156 elasticity, slide 153 is along gas collection groove 152 reciprocal slip, when slide 153 slides to the gas collection groove 152 inboard, check valve 159 on blast pipe 158 opens, check valve 159 on the intake pipe 157 is closed, gas is pressed into blast pipe 158 and is gone into in the gasbag 144, gasbag 144 inflation, when slide 153 slides to the opposite direction, check valve 159 on the blast pipe 158 is closed, and then gas is inhaled in the gas collection groove 152, reciprocate, gasbag 144 constantly expands, keep on the inside of body 1 to reveal according to this, thereby prevent that the water flow from also being convenient for the maintenance personnel in time.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The fire control monitoring alarm system for the building is characterized by comprising a fire hydrant monitoring unit (1), a smoke monitoring unit (2), a circuit monitoring unit (3), a video monitoring unit (4), a wireless communication unit (5), a data acquisition unit (6), a data analysis unit (7), a central management unit (8), an alarm unit (9), an emergency unit (10) and a data storage unit (16);

the fire hydrant monitoring unit (1) is used for monitoring water pressure and water flow leakage data of a fire hydrant in a building, the smoke monitoring unit (2), the circuit monitoring unit (3) and the video monitoring unit (4) are used for respectively monitoring smoke concentration data, circuit voltage and real-time video monitoring information in the building, the monitored data information is transmitted into the data acquisition unit (6) through the wireless communication unit (5), and the data acquisition unit (6) is used for summarizing the monitored data information and transmitting the summarized data information into the data analysis unit (7);

the data analysis unit (7) is used for analyzing and judging whether the monitored data transmitted by the data acquisition unit (6) exceeds a preset threshold value, if so, the alarm unit (9) is informed to alarm and start the emergency unit (10), and meanwhile, the data information is transmitted into the central management unit (8) and the data storage unit (16),

the hydrant monitoring unit (1) comprises a body (11);

the two monitoring mechanisms (12) are symmetrically arranged on two sides of the body (11), the monitoring mechanisms (12) comprise a shell (121), one side of the shell (121) is fixedly connected with the body (11), a water collecting table (122) is fixedly arranged on the shell (121), a sliding block (123) is connected to the water collecting table (122) in a sliding mode, a limiting rod (124) is fixedly connected to one side of the sliding block (123), slotted holes (1241) are formed in the sliding block (123) and the limiting rod (124) in a penetrating mode, a pushing block (125) is fixedly arranged outside one side of the limiting rod (124), a first spring (126) is fixedly connected to one side of the pushing block (125), and one side of the first spring (126) is fixedly connected with the inner wall of the water collecting table (122);

the driving mechanism (13), the driving mechanism (13) is arranged at the lower side of the monitoring mechanism (12), the driving mechanism (13) comprises a protective box (131), one side of the protective box (131) is fixedly connected with the body (11), a motor (132) is fixedly arranged at one side of the protective box (131), one end of an output shaft of the motor (132) is fixedly connected with a driving fluted disc (133), one side of the driving fluted disc (133) is meshed with a driven fluted disc (134), a main shaft (135) is slidingly connected inside the driven fluted disc (134), a fixing plate (136) is rotationally connected to the outer part of the main shaft (135), one side of the fixing plate (136) is fixedly connected with the inner wall of the protective box (131), one side of the fixing plate (136) is fixedly connected with a second spring (137), and one side of the second spring (137) is abutted against the driven fluted disc (134).

The device comprises a blocking mechanism (14), wherein the blocking mechanism (14) is arranged at the lower side of a monitoring mechanism (11), one side of the blocking mechanism is connected with a driving mechanism (13), the blocking mechanism (14) comprises a transverse shaft (141), the driving mechanism (13) drives the blocking mechanism (14) to translate along the axial direction of the transverse shaft (141), the blocking mechanism (14) further comprises a sealing plate (142) fixedly arranged inside a protective box (131), the outer part of the transverse shaft (141) is in sliding connection with the inner wall of the sealing plate (142), the inner part of the transverse shaft (141) is in threaded connection with a main shaft (135), one side of the transverse shaft (141) is fixedly connected with a fixing table (143), a limiting block (146) is fixedly arranged at the upper side of the fixing table (143), one side of the fixing table (143) is fixedly connected with an air bag (144), and a through hole (145) is formed in one side of the body (11) located in the air bag (144).

The gas collecting mechanism (15), gas collecting mechanism (15) sets up in shutoff mechanism (14) downside, gas collecting mechanism (15) include with driven fluted disc (134) sliding connection's push pedal (151), push pedal (151) one side and protective housing (131) inner wall sliding connection, inside fixed mounting of protective housing (131) has gas collecting channel (152), gas collecting channel (152) inside sliding connection has slide (153), slide (153) one side fixedly connected with push rod (154), push rod (154) outside sliding connection has riser (155), push rod (154) outside cover is equipped with spring three (156), spring three (156) one side and riser (155) fixed connection, gas collecting channel (152) one side intercommunication has intake pipe (157), adjacent intake pipe (157) one side intercommunication has blast pipe (158) on gas collecting channel (152), blast pipe (158) one end is linked together with gasbag (144), all install check valve (159) on intake pipe (157) and blast pipe (158).

2. A fire monitoring alarm system for construction according to claim 1, wherein: the fire hydrant monitoring unit (1), the smoke monitoring unit (2), the circuit monitoring unit (3) and the video monitoring unit (4) are connected with the output end of the wireless communication unit (5), the output end of the wireless communication unit (5) is connected with the input end of the data acquisition unit (6), the output end of the data acquisition unit (6) is connected with the input end of the data analysis unit (7), and the output end of the data analysis unit (7) is connected with the input ends of the central management unit (8), the alarm unit (9), the emergency unit (10) and the data storage unit (16) respectively.

3. A fire monitoring alarm system for construction according to claim 1, wherein: the emergency unit (10) comprises an emergency lighting module (101), a voice prompt module (102) and a buzzer warning module (103), the central management unit (8) comprises an input module (81), a building information module (82), a fire-fighting information module (83) and a video display module (84), the output end of the input module (81) is respectively connected with the input ends of the building information module (82) and the fire-fighting information module (83), and the output ends of the data analysis unit (7), the building information module (82) and the fire-fighting information module (83) are respectively connected with the input end of the video display module (84).

4. A fire monitoring alarm system for construction according to claim 1, wherein: the utility model discloses a pressure-sensitive switch, including gag lever post (124), pressure-sensitive switch (127), casing (121) one side, gag lever post (124) one side is through mount fixedly connected with briquetting (125), briquetting (125) downside is provided with pressure-sensitive switch (127), alarm (1271) are installed to casing (121) one side fixedly, through electric connection between pressure-sensitive switch (127) and alarm (1271).

5. A fire monitoring alarm system for construction according to claim 1, wherein: the utility model discloses a water collecting platform, including casing (121), drain pipe (128) are installed to casing (121) downside fixed mounting, drain pipe (128) both sides all communicate and are divided pipe (129), every group divide pipe (129) one end to be linked together with casing (121), water collecting platform (122) both sides intercommunication has shunt tubes (1221).