CN111659067B - Intelligent fire hydrant system and water pressure control method thereof - Google Patents
Intelligent fire hydrant system and water pressure control method thereof Download PDFInfo
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- CN111659067B CN111659067B CN202010448880.4A CN202010448880A CN111659067B CN 111659067 B CN111659067 B CN 111659067B CN 202010448880 A CN202010448880 A CN 202010448880A CN 111659067 B CN111659067 B CN 111659067B
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- A—HUMAN NECESSITIES
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Abstract
The invention provides an intelligent fire hydrant system, which comprises: the fire hydrant monitoring system comprises a fire hydrant simulation arrangement unit, a data monitoring unit, a data processing and scheduling unit, a fault inspection and receiving unit, a safety alarm unit and a remote terminal monitoring unit; the fire hydrant simulation arrangement unit is used for receiving the related parameter information and calculating the optimal position and the water pressure intensity of the intelligent fire hydrant; the data monitoring unit is used for monitoring the real-time water pressure and the valve position switching degree of each intelligent fire hydrant; the data processing and scheduling unit is used for calculating relevant parameters and receiving feedback data; the fault polling and receiving unit is used for monitoring whether circuit safety exists or not and detecting whether the intelligent fire hydrant is inclined or not; the remote terminal monitoring unit is used for verifying identity information of an operator and storing information received by the server and the GIS management module in a correlation mode, and accordingly the intelligent fire hydrant water pressure control method is provided.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to an intelligent fire hydrant system and a water pressure control method thereof.
Background
Along with the advance of urbanization, more and more high buildings are built, the living density of people is increased, the occurrence of fire accidents can cause uncontrollable loss, the fire fighting problem is also taken into consideration, fire fighting problems of high-rise buildings with the high population density are solved, fire hydrants and fire rescue equipment arranged on floors and streets are generally adopted to extinguish fires, but the fire scene environment is complex, the effective rescue time can be delayed by only manual rescue, the problem that the existing fire fighting equipment lacks effective management can not guarantee reliable operation generally exists, and the corresponding effect can not be played when the fire happens, so that the intelligent fire hydrant system which can predict the fire scene range of the fire scene and has significance for providing an effective water supply scheme is designed.
In conclusion, how to research an intelligent fire hydrant system which is safe and reliable, can realize remote monitoring and can predict the fire behavior range to provide an optimal fire fighting water supply scheme and a water pressure control method thereof is a problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the above-mentioned problems and needs, the present disclosure provides an intelligent fire hydrant system and a water pressure control method thereof, which can solve the above-mentioned technical problems by adopting the following technical solutions.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent fire hydrant system comprising: the fire hydrant monitoring system comprises a fire hydrant simulation arrangement unit, a data monitoring unit, a data processing and scheduling unit, a fault inspection and receiving unit, a safety alarm unit and a remote terminal monitoring unit;
the fire hydrant simulation arrangement unit comprises a parameter receiving module, an intelligent fire hydrant simulation arrangement module and a field terminal device, wherein the parameter receiving module is used for receiving related parameter information sent by the data processing and scheduling unit, and the intelligent fire hydrant simulation arrangement module calculates and arranges the optimal position and the water pressure intensity of the intelligent fire hydrant according to the related parameters and sends the optimal position and the water pressure intensity to the field terminal device;
the data monitoring unit comprises an intelligent fire hydrant water pressure and valve position monitoring module, a self-positioning module and a data transmission module, the intelligent fire hydrant water pressure monitoring module is used for monitoring the real-time water pressure of each intelligent fire hydrant and the valve position switching degree of the fire hydrant, and the data transmission module is used for sending the detected real-time water pressure and valve position switching degree to the data processing and scheduling unit;
the data processing and scheduling unit comprises a parallel data receiving module, a central decision module and a data output module, the parallel data receiving module is used for receiving real-time water pressure and valve position switching degree sent by the data transmission module, the central decision module is used for calculating relevant parameters according to data received by the parallel data receiving module and sending the relevant parameters to the fire hydrant simulation arrangement unit and receiving feedback data and sending the feedback data to the remote terminal monitoring unit through the data output module;
the fault routing inspection and receiving unit comprises a power supply monitoring module and a sensing detection module, wherein the power supply monitoring module is used for monitoring whether circuit electric leakage and low voltage conditions exist or not, and the sensing detection module is used for detecting whether an inclination condition exists in the intelligent fire hydrant or not and sending related abnormal information to the safety alarm unit;
the remote terminal monitoring unit comprises an authority verification module, a cloud server, a GIS management module and an association list storage module, wherein the authority verification module is used for verifying identity information of an operator, and the association list storage module is used for associating alarm information, related parameters, timestamp information and feedback data received by the server with the GIS management module to form a storage list so as to be convenient for query.
Further, the related parameter information comprises fire scene range coordinates, illegal setting area range coordinates, intelligent hydrant position information, water hose specific resistance and water hose length information.
Furthermore, the data monitoring unit also comprises an identification module for preventing theft and a water consumption time calculation module, and the identification module and the water consumption time calculation module are connected with the data transmission module.
Further, the safety alarm unit comprises an alarm information transceiving module and an alarm warning module, and the alarm warning module is connected with the alarm information transceiving module.
Furthermore, the safety alarm unit further comprises a video monitoring module, a crowd density detection module and a voice interaction module, wherein the crowd density detection module adopts a crowd density detection method based on an MS-CNN convolutional network, the crowd density detection module is connected with the voice interaction module, and the voice interaction module is connected with the remote terminal monitoring unit and used for calling and alarming when field personnel meet emergency conditions and sending out alarm information when the crowd density at the fire scene is detected to be larger than a set threshold value.
Furthermore, the power monitoring module and the sensing detection module are connected with the alarm information transceiving module.
A water pressure control method for an intelligent fire hydrant specifically comprises the following steps:
s1, the fire hydrant simulation arrangement unit calculates the optimal position and water pressure intensity of the intelligent fire hydrant according to the fire scene range coordinate, the illegal setting area range coordinate and the intelligent fire hydrant position information sent by the data processing and dispatching unit and sends the optimal position and water pressure intensity to the field terminal device;
s2, according to the arrangement scheme received by the field terminal device, the field operator selects the optimal intelligent fire hydrant and sets a pressure stabilizing pump, a booster pump and a pressure compensating pump;
s3, the central decision module receives the fed-back optimal position and water pressure intensity information of the intelligent fire hydrant sent by the intelligent fire hydrant simulation arrangement module and sends the information to the remote terminal monitoring unit through the data output module;
and S4, the operator verifies the identity through the authority verification module, and then the correlation list storage module is used for checking the field condition of the correlation between the relevant parameters, the timestamp information and the feedback data stored in the server and the GIS management module.
Further, the method for acquiring the fire scene range coordinates comprises the following steps: receiving a position signal sent by a field sensor array, and if the radius of the distance between the sensor array and a fire source is C, determining the distance according to C2＝E{T(x,y,t)}|(x-x0)2+(y-y0)2Budget fire source location, where (x)0，y0) Point coordinates representing the location of the fire, (x, y) the coordinates of the sensor, and E { T (x, y, T } the expectation of a random variation of the sensor signal.
Further, the calculating the optimal position and the water pressure intensity for arranging the intelligent fire hydrant comprises the following steps: determining a fire hydrant at an optimal position and a spare optimal position according to the fire scene range coordinate, the illegal setting area range coordinate and the coordinate of the intelligent fire hydrant in the three-dimensional coordinate system; calculating the required water pressure intensity according to the distance between the optimal position fire hydrant and the spare optimal position fire hydrant and the fire scene range; and judging whether the pressure compensating pump needs to be increased or not according to the required water pressure intensity and the pressure difference between the front and the back of the booster pump, if so, starting the pressure compensating pump according to preset power, monitoring the frequency of the pressure stabilizing pump in real time and adjusting the frequency of the pressure compensating pump according to the frequency relation between the pressure compensating pump and the pressure stabilizing pump.
Further, the calculating the demanded water pressure strength includes: according to the formula N ═ Nd+NsCalculating the required pressure of the fire hydrant, wherein N is the required pressure of the optimal fire hydrant, and NdThe water pressure, N, required to cause the water jet nozzle to fill the water columnsLoss of water band; then according to
Calculating the water pressure required by the filled water column, wherein d is the diameter of a nozzle of the water gun, and a is a test coefficient; according to Ns＝K*S*L2Calculating the loss of the water band, wherein,
l is the nozzle flow of the water gun, B is the water flow characteristic coefficient related to the nozzle diameter of the water gun, K is the specific resistance of the water hose, and S is the length of the water hose.
The intelligent fire hydrant system has the advantages of being safe and reliable, capable of achieving remote monitoring and providing an optimal fire fighting water supply scheme by estimating the fire range.
The following description of the preferred embodiments for carrying out the present invention will be made in detail with reference to the accompanying drawings so that the features and advantages of the present invention can be easily understood.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. Wherein the drawings are only for purposes of illustrating some embodiments of the invention and are not to be construed as limiting the invention to all embodiments thereof.
Fig. 1 is a schematic structural diagram of an intelligent fire hydrant system according to the present invention.
Fig. 2 is a schematic structural diagram of a safety alarm unit according to the present invention.
FIG. 3 is a schematic diagram illustrating steps of a hydraulic control method for an intelligent fire hydrant in the present invention.
Fig. 4 is a schematic diagram of the steps of the method for acquiring the fire field range coordinates of the present invention.
FIG. 5 is a schematic diagram illustrating the steps of the method for calculating the optimal position for arranging the intelligent fire hydrant and the water pressure intensity according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Referring to fig. 1 to 5, the present invention provides an intelligent fire hydrant system which is safe and reliable, can realize remote monitoring and can provide an optimal fire fighting water supply scheme by estimating the fire behavior range, and comprises: the fire hydrant monitoring system comprises a fire hydrant simulation arrangement unit, a data monitoring unit, a data processing and scheduling unit, a fault inspection and receiving unit, a safety alarm unit and a remote terminal monitoring unit; the fire hydrant simulation arrangement unit comprises a parameter receiving module, an intelligent fire hydrant simulation arrangement module and a field terminal device, wherein the parameter receiving module is used for receiving related parameter information sent by the data processing and scheduling unit, and the intelligent fire hydrant simulation arrangement module calculates and arranges the optimal position and the water pressure intensity of the intelligent fire hydrant according to the related parameters and sends the optimal position and the water pressure intensity to the field terminal device.
The data monitoring unit comprises an intelligent fire hydrant water pressure and valve position monitoring module, a self-positioning module and a data transmission module, the intelligent fire hydrant water pressure monitoring module is used for monitoring the real-time water pressure of each intelligent fire hydrant, the valve position switching degree of the fire hydrant and relevant data information, the data transmission module is used for sending the detected real-time water pressure and valve position switching degree to the data processing and scheduling unit, the data monitoring unit further comprises an identity recognition module used for preventing burglary and a water consumption time length calculation module, and the identity recognition module and the water consumption time length calculation module are all connected with the data transmission module.
The data processing and scheduling unit comprises a parallel data receiving module, a central decision module and a data output module, the parallel data receiving module is used for receiving real-time water pressure, valve position switching degree and related data information sent by the data transmission module, the central decision module is used for calculating relevant parameters according to the data received by the parallel data receiving module and sending the relevant parameters to the fire hydrant analog arrangement unit and receiving feedback data and sending the feedback data to the remote terminal monitoring unit through the data output module, wherein the relevant parameter information comprises fire scene range coordinates, illegal setting area range coordinates, intelligent fire hydrant position information, water hose specific resistance and water hose length information.
The fault inspection and receiving unit comprises a power supply monitoring module and a sensing detection module, wherein the power supply monitoring module is used for monitoring whether circuit electric leakage and low voltage conditions exist, the sensing detection module is used for detecting whether an inclined condition exists in the intelligent fire hydrant and sending related abnormal information to the safety alarm unit, and the power supply monitoring module and the sensing detection module are all connected with the alarm information transceiving module.
The remote terminal monitoring unit comprises an authority verification module, a cloud server, a GIS management module and an association list storage module, wherein the authority verification module is used for verifying identity information of an operator, and the association list storage module is used for associating alarm information, related parameters, timestamp information and feedback data received by the server with the GIS management module to form a storage list so as to be convenient for query.
The safety alarm unit comprises an alarm information transceiving module and an alarm warning module, the alarm warning module is connected with the alarm information transceiving module, the safety alarm unit further comprises a video monitoring module, a crowd density detection module and a voice interaction module, the crowd density detection module adopts a crowd density detection method based on an MS-CNN convolutional network, the crowd density detection module is connected with the voice interaction module, and the voice interaction module is connected with the remote terminal monitoring unit and used for calling and alarming when field personnel meet emergency conditions and detecting that the crowd density at the fire scene is greater than a set threshold value, and sending warning information.
A water pressure control method for an intelligent fire hydrant specifically comprises the following steps:
s1, the fire hydrant simulation arrangement unit calculates the optimal position and water pressure intensity of the intelligent fire hydrant according to the fire scene range coordinate, the illegal setting area range coordinate and the intelligent fire hydrant position information sent by the data processing and dispatching unit and sends the optimal position and water pressure intensity to the field terminal device;
s2, according to the arrangement scheme received by the field terminal device, the field operator selects the optimal intelligent fire hydrant and sets a pressure stabilizing pump, a booster pump and a pressure compensating pump;
s3, the central decision module receives the fed-back optimal position and water pressure intensity information of the intelligent fire hydrant sent by the intelligent fire hydrant simulation arrangement module and sends the information to the remote terminal monitoring unit through the data output module;
and S4, the operator verifies the identity through the authority verification module, and then the correlation list storage module is used for checking the field condition of the correlation between the relevant parameters, the timestamp information and the feedback data stored in the server and the GIS management module.
As shown in fig. 4, the method for acquiring the fire field range coordinate includes: 1. receiving a position signal sent by a field sensor array, and setting the distance radius between the sensor array and a fire source as C; 2. then according to C2＝E{T(x,y,t)}|(x-x0)2+(y-y0)2Budget fire source location, where (x)0，y0) Point coordinates representing the location of the fire, (x, y) coordinates of the sensor, E { T (x, y, T } represents the period of the random variable of the sensor signal; 3. and calculating the position of the optimal intelligent fire hydrant according to the calculated real-time fire scene range and calculating the related water pressure intensity according to the position of the optimal intelligent fire hydrant.
As shown in fig. 5, the calculating the optimal position and the water pressure strength for arranging the intelligent fire hydrant comprises: s1, determining the fire hydrant at the optimal position and the spare fire hydrant at the optimal position according to the fire scene range coordinate, the illegal setting area range coordinate and the coordinate of the intelligent fire hydrant in the three-dimensional coordinate system; s2, calculating the required water pressure intensity according to the distance between the optimal position fire hydrant and the spare optimal position fire hydrant and the fire scene range; and S3, judging whether the pressure compensating pump needs to be increased or not according to the required water pressure intensity and the pressure difference between the front and the back of the pressure boosting pump, if so, starting the pressure compensating pump according to preset power, monitoring the frequency of the pressure stabilizing pump in real time, and adjusting the frequency of the pressure compensating pump according to the frequency relation between the pressure compensating pump and the pressure stabilizing pump.
The calculating the demanded water pressure strength includes: according to the formula N ═ Nd+NsCalculating the required pressure of the fire hydrant, wherein N is the required pressure of the optimal fire hydrant, and NdThe water pressure, N, required to cause the water jet nozzle to fill the water columnsLoss of water band; then according to
Calculating the water pressure required by the filled water column, wherein d is the diameter of a nozzle of the water gun, and a is a test coefficient; according to Ns＝K*S*L2Calculating the loss of the water band, wherein,
l is the nozzle flow of the water gun, B is the water flow characteristic coefficient related to the nozzle diameter of the water gun, K is the specific resistance of the water hose, and S is the length of the water hose.
It should be noted that the described embodiments of the invention are only preferred ways of implementing the invention, and that all obvious modifications, which are within the scope of the invention, are all included in the present general inventive concept.
Claims (4)
1. An intelligent fire hydrant system, comprising: the fire hydrant monitoring system comprises a fire hydrant simulation arrangement unit, a data monitoring unit, a data processing and scheduling unit, a fault inspection and receiving unit, a safety alarm unit and a remote terminal monitoring unit;
the fire hydrant simulation arrangement unit comprises a parameter receiving module, an intelligent fire hydrant simulation arrangement module and a field terminal device, wherein the parameter receiving module is used for receiving related parameter information sent by the data processing and scheduling unit, and the intelligent fire hydrant simulation arrangement module calculates and arranges the optimal position and the water pressure intensity of the intelligent fire hydrant according to the related parameters and sends the optimal position and the water pressure intensity to the field terminal device;
the data monitoring unit comprises an intelligent fire hydrant water pressure and valve position monitoring module, a self-positioning module and a data transmission module, the intelligent fire hydrant water pressure monitoring module is used for monitoring the real-time water pressure of each intelligent fire hydrant, the valve position switching degree of the fire hydrant and relevant data information, and the data transmission module is used for sending the detected real-time water pressure and valve position switching degree to the data processing and scheduling unit;
the data processing and scheduling unit comprises a parallel data receiving module, a central decision module and a data output module, the parallel data receiving module is used for receiving real-time water pressure, valve position switching degree and related data information sent by the data transmission module, the central decision module is used for calculating related parameters according to the data received by the parallel data receiving module and sending the related parameters to the fire hydrant analog arrangement unit and receiving feedback data and sending the feedback data to the remote terminal monitoring unit through the data output module;
the fault routing inspection and receiving unit comprises a power supply monitoring module and a sensing detection module, wherein the power supply monitoring module is used for monitoring whether circuit electric leakage and low voltage conditions exist or not, and the sensing detection module is used for detecting whether an inclination condition exists in the intelligent fire hydrant or not and sending related abnormal information to the safety alarm unit;
the remote terminal monitoring unit comprises an authority verification module, a cloud server, a GIS management module and an association list storage module, wherein the authority verification module is used for verifying identity information of an operator, and the association list storage module is used for associating alarm information, related parameters, timestamp information and feedback data received by the server with the GIS management module to form a storage list so as to be convenient for query;
the safety alarm unit comprises an alarm information transceiving module and an alarm module, the alarm module is connected with the alarm information transceiving module, and the alarm information transceiving module is connected with the fault patrol and receiving unit and the cloud server;
the safety alarm unit also comprises a video monitoring module, a crowd density detection module and a voice interaction module, wherein the crowd density detection module adopts a crowd density detection method based on an MS-CNN convolutional network, the crowd density detection module is connected with the voice interaction module, and the voice interaction module is connected with the remote terminal monitoring unit and is used for calling and alarming when field personnel meet emergency conditions and sending out alarm information when the crowd density at a fire scene is detected to be greater than a set threshold value;
the data monitoring unit also comprises an identity recognition module for preventing burglary and a water consumption duration calculation module, wherein the identity recognition module and the water consumption duration calculation module are both connected with the data transmission module;
the method also comprises a water pressure control method of the intelligent fire hydrant, and the method comprises the following specific steps:
s1, the fire hydrant simulation arrangement unit calculates the optimal position and water pressure intensity of the intelligent fire hydrant according to the fire scene range coordinate, the illegal setting area range coordinate and the intelligent fire hydrant position information sent by the data processing and dispatching unit and sends the optimal position and water pressure intensity to the field terminal device;
s2, according to the arrangement scheme received by the field terminal device, the field operator selects the optimal intelligent fire hydrant and sets a pressure stabilizing pump, a booster pump and a pressure compensating pump;
s3, the central decision module receives the fed-back optimal position and water pressure intensity information of the intelligent fire hydrant sent by the intelligent fire hydrant simulation arrangement module and sends the information to the remote terminal monitoring unit through the data output module;
s4, the operator verifies the identity through the authority verification module, and then checks the relevant parameters, the timestamp information and the feedback data stored in the server and the site condition of the GIS management module after the relevant parameters, the timestamp information and the feedback data are associated through the association list storage module;
the calculating and arranging the optimal position and the water pressure intensity of the intelligent fire hydrant comprises the following steps: determining a fire hydrant at an optimal position and a spare optimal position according to the fire scene range coordinate, the illegal setting area range coordinate and the coordinate of the intelligent fire hydrant in the three-dimensional coordinate system; calculating the required water pressure intensity according to the distance between the optimal position fire hydrant and the spare optimal position fire hydrant and the fire scene range; judging whether a pressure compensating pump needs to be increased or not according to the required water pressure intensity and the pressure difference between the front and the back of the booster pump, if so, starting the pressure compensating pump according to preset power, monitoring the frequency of the pressure stabilizing pump in real time and adjusting the frequency of the pressure compensating pump according to the frequency relation between the pressure compensating pump and the pressure stabilizing pump;
the method for acquiring the fire scene range coordinates comprises the following steps: receiving a position signal sent by a field sensor array, and if the radius of the distance between the sensor array and a fire source is C, determining the distance according to C2＝E{T(x,y,t)}|(x-x0)2+(y-y0)2Budget fire source location, where (x)0，y0) Point coordinates representing the location of the fire, (x, y) the coordinates of the sensor, and E { T (x, y, T } the expectation of a random variation of the sensor signal.
2. The intelligent fire hydrant system according to claim 1, wherein the related parameter information includes fire scene range coordinates, illegal setting area range coordinates and intelligent fire hydrant position information, water specific resistance and water hose length information.
3. The intelligent fire hydrant system according to claim 1, wherein the power monitoring module and the sensing detection module are connected to the alarm information transceiver module.
4. The intelligent fire hydrant system according to claim 1, wherein said calculating the required water pressure intensity includes: according to the formula N ═ Nd+NsCalculating the required pressure of the fire hydrant, wherein N is the required pressure of the optimal fire hydrant, and NdThe water pressure, N, required to cause the water jet nozzle to fill the water columnsLoss of water band; then according to
Calculating the water pressure required by the filled water column, wherein d is the diameter of a nozzle of the water gun, and a is a test coefficient; according to Ns＝K*S*L2Calculating the loss of the water band, wherein,
l is the nozzle flow of the water gun, B is the water flow characteristic coefficient related to the nozzle diameter of the water gun, K is the specific resistance of the water hose, and S is the length of the water hose.
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| CN114602100B (en) * | 2020-12-04 | 2023-01-10 | 国网山东省电力公司检修公司 | Fire-fighting medium continuous supply method and system for field fire research and judgment |
| CN113244563A (en) * | 2021-03-25 | 2021-08-13 | 杭州智缤科技有限公司 | Fire hydrant front end control valve closes valve monitoring feedback system |
| CN113877111A (en) * | 2021-10-08 | 2022-01-04 | 智能移动机器人(中山)研究院 | Remote electric control fire extinguisher for intelligent security patrol car |
| CN114272546A (en) * | 2021-12-30 | 2022-04-05 | 深圳市无限动力发展有限公司 | Fire fighting method, device, equipment and storage medium based on sweeper platform |
| CN114712765A (en) * | 2022-03-30 | 2022-07-08 | 慧之安信息技术股份有限公司 | Fire hydrant fault detection and alarm method based on water pressure detection |
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| CN105288923A (en) * | 2015-11-13 | 2016-02-03 | 深圳市开天源自动化工程有限公司 | Monitoring system for intelligent fire hydrant and intelligent fire hydrant |
| CN207233149U (en) * | 2017-08-01 | 2018-04-13 | 贵州财大鼎新科创产业有限公司 | Safety pre-warning system and wisdom public security system |
| CN107982842B (en) * | 2017-11-17 | 2019-02-01 | 温州中盟智能科技有限公司 | A kind of intelligence hydrant system and intelligent fire hydrant real-time recommendation method |
| CN108144237B (en) * | 2017-12-11 | 2018-10-30 | 温州中盟智能科技有限公司 | A kind of intelligence hydrant system and intelligent fire hydrant hydraulic pressure control method |
| CN108521625B (en) * | 2018-03-05 | 2020-07-10 | 阳泉煤业（集团）股份有限公司 | Wireless monitoring method for high temperature point of goaf |
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