CN115154975B - Fire hydrant state monitoring system - Google Patents
Fire hydrant state monitoring system Download PDFInfo
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- CN115154975B CN115154975B CN202210937964.3A CN202210937964A CN115154975B CN 115154975 B CN115154975 B CN 115154975B CN 202210937964 A CN202210937964 A CN 202210937964A CN 115154975 B CN115154975 B CN 115154975B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Abstract
The invention provides a fire hydrant state monitoring system which comprises a hydrant body, a monitoring device and a background monitoring terminal, wherein the monitoring device comprises a shell, a water outlet monitoring assembly, a microprocessor and a remote communication module; one end of the water outlet monitoring assembly is positioned in the bolt body and is used for monitoring water flow in the bolt body, and when the water flow in the bolt body flows, a trigger signal is generated and sent to the microprocessor; the microprocessor is used for receiving the trigger signal to generate a water outlet signal and sending the water outlet signal to the background monitoring center through the remote communication module. The fire hydrant state monitoring system provided by the invention can monitor water outlet of the fire hydrant and discover water stealing behavior in time.
Description
Technical Field
The invention belongs to the technical field of fire hydrants, and particularly relates to a fire hydrant state monitoring system.
Background
At present, in a plurality of cities, the fire hydrant becomes a deep blind water resource 'black hole'. The reporting is perceived by the enthusiast citizens, the phenomena that a water truck is used for receiving water privately at the fire hydrant to wash a road, water is stolen for a long time from a concealed connection pipeline of the fire hydrant by a car washing row and a large gear, and the property company waters gardens by drawing water from the fire hydrant are frequently caused. Some water stealing behaviors which are reported are effectively stopped and can be blamed for, but most of the water stealing behaviors are difficult to be timely discovered by a supervision department, so that the fire hydrant monitoring is necessary for preventing the water stealing disorder of the fire hydrant. Moreover, fire-fighting water belongs to urban public water supply, a municipal fire hydrant is not provided with a measuring water meter, a water department can only estimate normal fire-fighting water consumption and stolen water quantity, and the water yield of the fire hydrant cannot be accurately counted.
Disclosure of Invention
Aiming at the defects, the invention provides a fire hydrant state monitoring system which can monitor the water outlet of a fire hydrant and discover the water stealing behavior in time.
In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:
the invention provides a fire hydrant state monitoring system which comprises a hydrant body, a monitoring device and a background monitoring terminal, wherein the monitoring device comprises a shell, a water outlet monitoring assembly, a microprocessor and a remote communication module; one end of the water outlet monitoring assembly is positioned in the bolt body and used for monitoring water flow in the bolt body, and when the water flow in the bolt body flows, a trigger signal is generated and sent to the microprocessor; the microprocessor is used for receiving the trigger signal to generate a water outlet signal and sending the water outlet signal to the background monitoring center through the remote communication module.
As a further improvement of the embodiment of the invention, the effluent monitoring assembly comprises a swing part, an elastic part, a conductive contact block, a power supply and a timing module, wherein the elastic part, the conductive contact block, the power supply and the timing module are all arranged in a shell, the conductive contact block is connected with one pole of the power supply, the elastic part is connected with the other pole of the power supply, the timing module is connected in series between the elastic part and the power supply or between the conductive contact block and the power supply, and the timing module is connected with a microprocessor; the elastic piece is made of conductive materials; the swing comprises a first swing part, a rotating ball and a second swing part which are sequentially connected, wherein the weight of the first swing part is greater than that of the second swing part, and the second swing part is made of a conductive material; the side wall of the bolt body is provided with a spherical hole, the rotating ball is arranged in the spherical hole, the rotating ball is in clearance fit with the spherical hole, and the rotating ball can rotate in the spherical hole; the first pendulum part is positioned in the inner cavity of the bolt body, and the second pendulum part is positioned in the shell; one end of the elastic piece is connected with the inner wall of the top end of the shell, and the other end of the elastic piece is connected with the second swing part; the conductive contact block is fixed at a second position, and the second position is a position which can be swung by the end part of the second swinging block when water flows in the bolt body.
As a further improvement of the embodiment of the present invention, the first pendulum part includes a fulcrum and two semicircular blades, and the straight edges of the two blades are respectively connected with the fulcrum in a rotating manner; two limiting rods are vertically arranged on the support shaft, the two limiting rods are parallel to the horizontal plane, and the two limiting rods are respectively positioned below the two blades.
As a further improvement of the embodiment of the invention, an insulating contact block is further arranged in the shell, the insulating contact block is positioned above the conductive contact block, and a swing stroke of the end part of the second swing part is formed between the insulating contact block and the conductive contact block when the second swing part swings up and down.
As a further improvement of the embodiment of the invention, when the water flow in the bolt body is static, the first swing part is positioned below the second swing part under the action of the gravity of the first swing part and the restoring force of the elastic part; when water flow in the bolt body flows, the upward flowing water flow drives the first pendulum part to rotate upwards, so that the second pendulum part rotates downwards, the elastic part is stretched downwards, the second pendulum part is contacted with the conductive contact block, the timing module is electrified to start timing, time information is sent to the microprocessor, and the microprocessor sends the time information to the background monitoring center through the remote communication module; once the water flow in the bolt body stops flowing, the first swinging part rotates downwards under the action of gravity, meanwhile, the second swinging part rotates upwards under the action of the restoring force of the elastic piece, the second swinging part is separated from the conductive contact block, the timing module is powered off to stop timing, and time information is stopped to be sent to the microprocessor.
As a further improvement of the embodiment of the invention, the side wall of the bolt body is also provided with a baffle groove, a baffle is arranged in the baffle groove, the baffle covers the outer side of the spherical hole, and the baffle is provided with a strip-shaped through groove along the height direction for the second swinging part to pass through; the system also comprises a water storage box which is detachably arranged on the outer wall of the bolt body and is communicated with the baffle slot.
As a further improvement of the embodiment of the invention, the plug also comprises a flow velocity detection piece, wherein the detection end of the flow velocity detection piece is positioned in the plug body, and the flow velocity detection piece is used for detecting the flow velocity of water flow in the plug body.
As a further improvement of the embodiment of the invention, humidity sensors are arranged on the inner wall and the outer wall of the bolt body and are connected with the microprocessor.
As a further improvement of the embodiment of the invention, a temperature sensor and a heater are arranged on the inner wall of the bolt body, and the temperature sensor and the heater are respectively connected with the microprocessor.
As a further improvement of the embodiment of the invention, the bolt further comprises a light emitter and a light receiver, wherein the light emitter is fixed on the outer wall of the bolt body, and the light receiver is fixed on the ground right below the light emitter; the light emitter and the light receiver are respectively connected with the microprocessor.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects: according to the fire hydrant state monitoring system provided by the invention, the water flow in the hydrant body is monitored through the water outlet monitoring assembly, once the water flow in the hydrant body flows, the water outlet signal is generated and sent to the microprocessor, the microprocessor sends the water outlet signal to the background monitoring center through the remote communication module, and a supervisor can know that the corresponding fire hydrant is in the water outlet state, so that whether the fire hydrant is normal fire water or not can be checked in time, and the water stealing behavior can be found in time.
Drawings
Fig. 1 is a schematic structural diagram of a fire hydrant status monitoring system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a preferred structure of a first swing portion of a fire hydrant status monitoring system according to an embodiment of the invention;
fig. 3 is a schematic view of another preferred structure of the first swing portion of the swing portion in the fire hydrant status monitoring system according to the embodiment of the invention.
The figure shows that: the device comprises a bolt body 1, a microprocessor 2, an elastic element 3, a swing element 4, a first swing part 41, a fulcrum 411, a blade 412, a limiting rod 413, a rotating ball 42, a second swing part 43, a conductive contact block 5, an insulating contact block 6, a baffle groove 7, a baffle 8, a water storage box 9, a power supply 10, a timing module 11 and a flow rate detection element 12.
Detailed Description
The technical solution of the present invention will be explained in detail below.
The embodiment of the invention provides a fire hydrant state monitoring system which comprises a fire hydrant, a monitoring device and a background monitoring terminal, wherein the monitoring device is installed on the fire hydrant and used for monitoring the state of the fire hydrant. The background monitoring terminal is arranged in a fire department or a water department, and a monitoring website or a monitoring software client runs in the background monitoring terminal. The background monitoring terminal can be a mobile phone, a tablet computer, a laptop portable computer and the like. The background monitoring terminal and the monitoring device can be connected through a wireless network or a wired network.
The fire hydrant comprises a vertically arranged hydrant body, a water outlet is formed in the upper portion of the hydrant body, and a hydrant cover is arranged at the top of the hydrant body. The monitoring device is positioned below the water outlet. The monitoring device comprises a shell, a water outlet monitoring assembly, a microprocessor and a remote communication module, wherein the shell is arranged on the outer wall of the bolt body, the microprocessor and the remote communication module are both arranged in the shell, the water outlet monitoring assembly and the remote communication module are respectively connected with the microprocessor, and the remote communication module is in communication connection with the background monitoring center through a wireless network or a wired network. One end of the water outlet monitoring component is positioned in the bolt body 1 and is used for monitoring the water flow in the bolt body, and when the water flow in the bolt body flows, a water outlet signal is generated and sent to the microprocessor. The microprocessor is used for sending the water outlet signal to the background monitoring center through the remote communication module.
The fire hydrant state monitoring system of this embodiment, through play internal rivers of water monitoring assembly monitoring hydrant, in case the internal rivers of hydrant flow, just produce water signal transmission and give microprocessor, microprocessor sends out water signal for backstage surveillance center through the remote communication module, and the supervisor alright know that corresponding fire hydrant is in the water state, be convenient for in time verify whether normal fire water, in time discover to steal the water action.
As a preferred example, as shown in FIG. 1, the effluent monitoring assembly comprises a swing member 4, an elastic member 3, a conductive contact block 5, a power supply and a timing module. The elastic piece 3, the conductive contact block 5, the power supply and the timing module are all arranged in the shell. The power supply is connected with the microprocessor and supplies power to the microprocessor. The conductive contact block 5 is connected with one pole of the power supply, the elastic part 3 is connected with the other pole of the power supply, the timing module is connected between the elastic part and the power supply in series or between the conductive contact block and the power supply in series, and the timing module is connected with the microprocessor. The swing part 4 comprises a first swing part 41, a rotating ball 42 and a second swing part 43 which are fixedly connected in sequence, wherein the weight of the first swing part 41 is greater than that of the second swing part 43, and the second swing part 43 is made of a conductive material. Preferably, the first pendulum part 41, the rolling ball 42 and the second pendulum part 43 are located on the same straight line. The bolt body has spherical hole in the side wall, and the rotating ball 42 is set inside the spherical hole and in clearance fit with the spherical hole. The first pendulum part 41 is located in the bolt cavity and the second pendulum part 43 is located in the housing. If the first pendulum part 41 swings downward or upward, the rotating ball 42 is rotated clockwise or counterclockwise in the spherical hole, so that the second pendulum part 43 swings upward or downward. If the second pendulum part 43 swings downward or upward, the rotating ball 42 is driven to rotate counterclockwise or clockwise in the spherical hole, so that the first pendulum part 41 swings upward or downward. One end of the elastic part 3 is connected with the inner wall of the top end of the shell, the other end of the elastic part is connected with the second swing part 43, and the elastic part 3 is made of a conductive material. The elastic member 3 may be a tension spring. When the second pendulum part 43 swings downward, the elastic member 3 is stretched, and when the second pendulum part 43 swings upward, the elastic member 3 is compressed. The conductive contact 5 is fixed at a second position where the end of the second swing portion 43 can swing when water flows in the plug body.
In the fire hydrant state monitoring system according to the above embodiment, when the water flow in the hydrant body is stationary, the end of the second pendulum portion 43 is located above the conductive contact 5 under the action of the gravity of the first pendulum portion 41 or the tensile force of the elastic member 3; when water flow in the bolt body flows, the water flow flowing upwards drives the first pendulum part 41 to swing upwards, so that the second pendulum part 43 swings downwards, the elastic part 3 is stretched downwards, the end part of the second pendulum part 43 is in contact with the conductive contact block 5, the timing module is electrified to start timing, time information is used as a trigger signal to be sent to the microprocessor, the microprocessor generates a water outlet signal after receiving the time information, and the water outlet signal is sent to the background monitoring center through the remote communication module. Once the water flow in the bolt body stops flowing, under the action of the gravity of the first swing part 41 or the pulling force of the elastic part 3, the first swing part 41 swings downwards, the second swing part 43 swings upwards, the end part of the second swing part 43 is separated from the conductive contact block 5, the timing module is powered off to stop timing, and time information is stopped to be sent to the microprocessor. The first swing part 41 and the second swing part 43 are automatically reset, so that the next effluent monitoring is facilitated.
This embodiment is through setting up elastic component 3, goods of furniture for display rather than for use 4 and electrically conductive touch multitouch 5 as switch, and the internal rivers of bolt flow when utilizing the fire hydrant to go out water, and it makes switch closed to produce external force, and the internal water of bolt is static when the fire hydrant is not gone out water, and external force disappears and makes switch open and shut to can accurately monitor the fire hydrant and go out water, simple structure realizes easily.
Further preferably, the first swing portion 41 includes a fulcrum 411 and two semicircular blades 412, as shown in fig. 2 and 3. The straight edges of the two blades are provided with sleeves distributed along the straight edges, and the sleeves are sleeved on the fulcrum shaft, so that the blades are rotatably connected with the fulcrum shaft, and the two blades can turn around the fulcrum shaft. Two limiting rods 413 are vertically arranged on the fulcrum, and the two limiting rods are parallel to the horizontal plane. And the two limiting rods are respectively positioned below the two blades. The two stop levers may be in the same line, as shown in fig. 2, or in parallel, as shown in fig. 3. When water flow in the bolt body is static, the two blades are respectively lapped on the two limiting rods under the action of self gravity, so that the two blades are positioned on the same plane. When water flow in the bolt body flows, the water flow flowing upwards impacts the two blades, and the whole first swinging part 41 is easily and smoothly driven to swing upwards due to the fact that the water flow is in surface contact with the first swinging part and the contact area is large. In the process of the upward swing of the first swing portion 41, because the blade receives the upward impulsive force of water, the blade can be turned upwards relative to the support shaft, and the two blades can be located on the vertical plane, so that after the end of the second swing portion 43 is contacted with the conductive contact block 5, the water flow in the bolt body is in line contact with the first swing portion 41, and the first swing portion cannot generate resistance to the water flow to influence the flow rate of the water flow. Once the water flow in the bolt body stops flowing, the first swing part 41 swings downwards under the action of the gravity of the first swing part 41 or the tensile force of the elastic part 3, and in the process of swinging downwards, the two blades turn downwards under the action of self-generated gravity until being lapped on the two limiting rods, and the two blades are positioned on the same plane to wait for the next water outlet turning.
Preferably, an insulating contact block 6 is further arranged in the shell, the insulating contact block 6 is located above the conductive contact block 5, a swing stroke of the end portion of the second swing portion 43 is formed between the insulating contact block 6 and the conductive contact block 5 when the second swing portion 43 swings up and down, and the end portion of the second swing portion 43 can only swing up and down between the conductive contact block and the insulating contact block. The insulating contact block 6 is arranged to limit the position of the second swing part 43 when the second swing part is reset, so that when the fire hydrant is drained next time, water flowing in the hydrant body can drive the first swing part 41 to move upwards to enable the second swing part 43 to swing downwards to the conductive contact block 5, and therefore the water can be detected.
Considering that the first swing part and the second swing part need to swing up and down, the inner end and the outer end of the spherical hole in the side wall of the bolt body cannot be in sealing fit with the rotating ball, and water in the bolt body is likely to leak out of the spherical hole. The side wall of the bolt body is further provided with a baffle plate groove 7, a baffle plate 8 is installed in the baffle plate groove 7, the baffle plate 8 covers the outer side of the spherical hole, and the baffle plate 8 is provided with a long strip-shaped through groove for the second swinging part to penetrate through along the height direction of the baffle plate. The baffle 8 can prevent water in the bolt body from overflowing.
Further preferably, the fire hydrant state monitoring system of the embodiment further comprises a water storage box 9, the water storage box 9 is detachably mounted on the outer wall of the hydrant body, and the water storage box 9 is communicated with the baffle slot 7. If the water in the bolt body flows into the baffle groove 7 through the spherical hole, the gap between the baffle and the side wall of the bolt body or the strip-shaped through groove on the baffle, the water cannot be accumulated in the baffle groove 7, can flow into the water storage box 9 through the baffle groove 7, can be reused and cannot cause waste of water resources.
As preferred example, monitoring devices still includes the velocity of flow detection spare, and the sense terminal of velocity of flow detection spare is located the embolus internal, and the velocity of flow detection spare is used for detecting the velocity of flow of rivers in the embolus, and the velocity of flow detection spare is connected with microprocessor. The current water flow velocimeter can be adopted by the flow velocity detection piece, and the water flow velocimeter is installed in the bolt body. During the use, the velocity of flow in the speed detection spare survey bolt body sends microprocessor to, and the internal rivers flow time of play water monitoring subassembly survey bolt sends microprocessor, and the fire hydrant is out water for a long time. The microprocessor obtains the water outlet duration and the water flow speed, and then the water outlet quantity of the fire hydrant can be obtained according to the cross section area of the hydrant body. Or the microprocessor sends the water outlet duration and the water flow speed to the background monitoring center, and the background monitoring center can obtain the water outlet quantity of the fire hydrant according to the cross sectional area of the hydrant body. The water yield of the fire hydrant can be accurately counted whether the fire hydrant is normally used for fire fighting or is stolen.
In order to improve the accuracy of the obtained water yield of the fire hydrant, a method of calculating the water yield in stages may be used in consideration that the flow rate of water in the hydrant body is not always constant. Specifically, the flow velocity detection piece is set to collect the flow velocity once every n seconds, the n seconds are taken as a time counting unit, the water flow Mi of each time counting unit is calculated according to the speed value Vi collected in the 1 st second of each time counting unit and the cross section area S of the bolt body, and then the water flow of each time counting unit is accumulated according to the water outlet time H seconds, as shown in the formula (1), so that the water outlet quantity M in the water outlet time can be accurately obtained.
Wherein the content of the first and second substances,
floor () represents a floor function.
Preferably, the inner wall and the outer wall of the bolt body are both provided with a humidity sensor, and the humidity sensors are connected with the microprocessor. The humidity sensor is arranged on the inner wall of the hydrant body and used for detecting the humidity in the hydrant body and sending a detection result to the microprocessor, the microprocessor sends the detection result to the background monitoring center, and once the humidity value detected by the humidity sensor in the hydrant body is smaller than a preset minimum humidity threshold value, the fact that the water quantity in the hydrant body is small or even no water is shown, so that a worker can find the abnormal condition of the fire hydrant and timely confirm the processing. The humidity sensor is arranged on the outer wall of the hydrant body and used for detecting the humidity outside the hydrant body and sending a detection result to the microprocessor, the microprocessor sends the detection result to the background monitoring center, and once the humidity value detected by the humidity sensor outside the hydrant body is larger than a preset maximum humidity threshold value, the hydrant body is submerged in water, so that a worker can find the abnormal condition of the fire hydrant and timely confirm the fire hydrant body.
As a preferred example, a temperature sensor and a heater are arranged on the inner wall of the plug body, and the temperature sensor and the heater are respectively connected with the microprocessor. The temperature sensor is used for detecting the water temperature in the suppository body and sending a detection result to the microprocessor, the microprocessor compares the detection result with a preset temperature threshold value, and if the detection result is lower than the preset temperature threshold value, the heater is controlled to work, and the water temperature in the suppository body is improved. Can effectively prevent the water in the low bolt body of winter temperature from freezing, influence emergent fire control and use, also prevent that the fire hydrant pipeline from breaking and taking place the damage.
Preferably, the monitoring device further comprises a light emitter and a light receiver, the light emitter is fixed on the outer wall of the bolt body, the light receiver is fixed on the ground right below the light emitter, and the light emitter and the light receiver are respectively connected with the microprocessor. Under normal conditions, light that optical receiver can receive the light of light emitter transmission all the time, and optical receiver sends the testing result for microprocessor, and microprocessor sends the testing result for backstage surveillance center, in case optical receiver can not receive the light of light emitter transmission, shows that the fire hydrant takes place to incline, shift or is buried to be convenient for the staff discovers this fire hydrant abnormal conditions, in time confirms the processing.
The working process of the fire hydrant condition monitoring system of the preferred embodiment is as follows:
when the fire hydrant is not in use, that is, the water flow in the body of the fire hydrant is stationary, the end of the second pendulum portion 43 is located above the conductive contact 5 and does not contact the conductive contact under the action of the gravity of the first pendulum portion 41 or the pulling force of the elastic member 3. When the fire hydrant is used, namely water flow in the hydrant body flows, the upward flowing water flow drives the first swinging part 41 to swing upwards, so that the second swinging part 43 swings downwards, the elastic part 3 is stretched downwards, the end part of the second swinging part 43 is contacted with the conductive contact block 5, the timing module starts timing after being electrified, time information is used as a trigger signal to be sent to the microprocessor, the microprocessor generates a water outlet signal after receiving the time information, and the water outlet signal is sent to the background monitoring center through the remote communication module. The supervisor can know that the corresponding fire hydrant is in the water outlet state, so that whether the fire hydrant is normal fire-fighting water or not can be checked in time, and the water stealing behavior can be found in time. In the water outlet process of the fire hydrant, the flow speed detecting piece detects the flow speed in the hydrant body and sends the flow speed to the microprocessor. Once the water flow in the bolt body stops flowing, under the action of the gravity of the first swing part 41 or the pulling force of the elastic element 3, the first swing part 41 swings downwards, the second swing part 43 swings upwards, the end part of the second swing part 43 is separated from the conductive contact block 5, the timing module is powered off to stop timing, and time information is stopped to be sent to the microprocessor. The first swing part 41 and the second swing part 43 are automatically reset, so that the next effluent monitoring is facilitated. The microprocessor obtains the entire water outlet duration. After the microprocessor or the background monitoring center obtains the water outlet time length and the flow rate, the water outlet quantity can be calculated.
Meanwhile, the background monitoring center receives the detection result of the humidity in the hydrant body, the detection result of the humidity outside the hydrant body, the detection result of the temperature in the hydrant body and the detection result of the inclination of the hydrant body, so that the staff can find the abnormal conditions of the fire hydrant and timely confirm the abnormal conditions.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is also intended to be covered by the appended claims.
Claims (9)
1. A fire hydrant state monitoring system is characterized by comprising a hydrant body (1), a monitoring device and a background monitoring terminal, wherein the monitoring device comprises a shell, a water outlet monitoring assembly, a microprocessor (2) and a remote communication module, the shell is installed on the outer wall of the hydrant body, the microprocessor (2) and the remote communication module are both installed in the shell, the water outlet monitoring assembly and the remote communication module are respectively connected with the microprocessor (2), and the remote communication module is in communication connection with a background monitoring center; one end of the water outlet monitoring assembly is positioned in the bolt body (1) and is used for monitoring water flow in the bolt body, and when the water flow in the bolt body flows, a trigger signal is generated and sent to the microprocessor (2); the microprocessor (2) is used for receiving the trigger signal to generate a water outlet signal and sending the water outlet signal to the background monitoring center through the remote communication module;
the water outlet monitoring assembly comprises a swing part (4), an elastic part (3), a conductive contact block (5), a power supply (10) and a timing module (11), wherein the elastic part (3), the conductive contact block (5), the power supply (10) and the timing module (11) are all arranged in the shell, the conductive contact block (5) is connected with one pole of the power supply (10), the elastic part (3) is connected with the other pole of the power supply (10), the timing module (11) is connected between the elastic part and the power supply in series or between the conductive contact block and the power supply in series, and the timing module (10) is connected with the microprocessor (2); the elastic piece (3) is made of a conductive material; the swing part (4) comprises a first swing part (41), a rotating ball (42) and a second swing part (43) which are sequentially connected, the weight of the first swing part (41) is greater than that of the second swing part (43), and the second swing part (43) is made of a conductive material; a spherical hole is formed in the side wall of the bolt body, a rotating ball (42) is arranged in the spherical hole, the rotating ball is in clearance fit with the spherical hole, and the rotating ball can rotate in the spherical hole; the first pendulum part (41) is positioned in the inner cavity of the bolt body, and the second pendulum part (43) is positioned in the shell; one end of the elastic piece (3) is connected with the inner wall of the top end of the shell, and the other end of the elastic piece is connected with the second swing part (43); the conductive contact block (5) is fixed at a second position, and the second position is a position to which the end part of the second swing part (43) can swing when water flow in the bolt body flows.
2. A fire hydrant condition monitoring system according to claim 1, wherein said first swing portion (41) comprises a fulcrum and two semicircular blades, the straight sides of which are respectively rotatably connected with the fulcrum; two limiting rods are vertically arranged on the support shaft, the two limiting rods are parallel to the horizontal plane, and the two limiting rods are respectively positioned below the two blades.
3. A fire hydrant condition monitoring system according to claim 1, wherein an insulating contact block (6) is further provided in the casing, the insulating contact block (6) is located above the conductive contact block (5), and a swing stroke of an end of the second swing portion (43) is formed between the insulating contact block (6) and the conductive contact block (5) when the second swing portion (43) swings up and down.
4. A fire hydrant condition monitoring system according to claim 1 in which the first pendulum part (41) is located below the second pendulum part (43) under the action of the gravity of the first pendulum part (41) and the restoring force of the resilient member (3) when the water flow in the hydrant body is at rest; when water flow in the bolt body flows, the upward flowing water flow drives the first swinging part (41) to rotate upwards, so that the second swinging part (43) rotates downwards, the elastic part (3) is stretched downwards, the second swinging part (43) is contacted with the conductive contact block (5), the timing module (10) is electrified to start timing, time information is sent to the microprocessor (2), and the microprocessor (2) sends the time information to the background monitoring center through the remote communication module; once the water flow in the bolt body stops flowing, the first swing part (41) rotates downwards under the action of gravity, meanwhile, the second swing part (43) rotates upwards under the action of the restoring force of the elastic piece (3) to separate from the conductive contact block (5), the timing module (10) is powered off to stop timing, and time information is stopped to be sent to the microprocessor (2).
5. A fire hydrant state monitoring system according to claim 1, wherein the side wall of the hydrant body is further provided with a baffle groove (7), a baffle (8) is installed in the baffle groove (7), the baffle (8) covers the outer side of the spherical hole, and the baffle is provided with a long strip-shaped through groove along the height direction for the second pendulum part to pass through; the system further comprises a water storage box (9), wherein the water storage box (9) is detachably mounted on the outer wall of the bolt body, and the water storage box (9) is communicated with the baffle groove (7).
6. A fire hydrant condition monitoring system according to claim 1, further comprising a flow rate detecting member (12), a detecting end of the flow rate detecting member (12) being located in the hydrant body, the flow rate detecting member being for detecting the flow rate of water flowing in the hydrant body.
7. A fire hydrant condition monitoring system according to claim 1 in which humidity sensors are mounted on both the inner and outer walls of the hydrant body and are connected to the microprocessor (2).
8. A fire hydrant condition monitoring system according to claim 1, wherein the inner wall of the hydrant body is mounted with a temperature sensor and a heater, which are respectively connected to the microprocessor (2).
9. A fire hydrant condition monitoring system according to claim 1, further comprising a light emitter and a light receiver, the light emitter being fixed on the outer wall of the hydrant body, the light receiver being fixed on the ground directly below the light emitter; the light emitter and the light receiver are respectively connected with the microprocessor (2).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106245713A (en) * | 2016-08-04 | 2016-12-21 | 杨娇仔 | A kind of high-performance Anti-collision fire hydrant |
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| CN216586784U (en) * | 2021-11-23 | 2022-05-24 | 上海水务建设工程有限公司 | Intelligent fire hydrant with flow monitoring function |
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| MX348843B (en) * | 2010-06-16 | 2017-06-26 | Mueller Int Llc * | Infrastructure monitoring devices, systems, and methods. |
| US20170268205A1 (en) * | 2015-02-12 | 2017-09-21 | Schirado Inventions, Llc | Remotely Controlled Hydrant System |
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| CN106245713A (en) * | 2016-08-04 | 2016-12-21 | 杨娇仔 | A kind of high-performance Anti-collision fire hydrant |
| CA3002309A1 (en) * | 2017-04-21 | 2018-10-21 | Silversmith, Inc. | Hydrant monitoring system and method |
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| CN115154975A (en) | 2022-10-11 |
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