CN110874721B - Fire scene water supply auxiliary decision-making system - Google Patents
Fire scene water supply auxiliary decision-making system Download PDFInfo
- Publication number
- CN110874721B CN110874721B CN201911322357.0A CN201911322357A CN110874721B CN 110874721 B CN110874721 B CN 110874721B CN 201911322357 A CN201911322357 A CN 201911322357A CN 110874721 B CN110874721 B CN 110874721B
- Authority
- CN
- China
- Prior art keywords
- water supply
- fire
- water
- pressure
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 349
- 238000004364 calculation method Methods 0.000 claims abstract description 62
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 38
- 238000005507 spraying Methods 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000001595 flow curve Methods 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000013178 mathematical model Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Strategic Management (AREA)
- General Physics & Mathematics (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- Marketing (AREA)
- General Business, Economics & Management (AREA)
- Economics (AREA)
- Entrepreneurship & Innovation (AREA)
- Theoretical Computer Science (AREA)
- Primary Health Care (AREA)
- Educational Administration (AREA)
- Development Economics (AREA)
- General Health & Medical Sciences (AREA)
- Data Mining & Analysis (AREA)
- Health & Medical Sciences (AREA)
- Operations Research (AREA)
- Quality & Reliability (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a fire scene water supply auxiliary decision-making system, which comprises: the water supply parameter measuring device is arranged on the fire water supply equipment and is used for measuring the pressure, the flow, the position and the height of the installation position of the fire water supply equipment; the mobile terminal is in communication connection with the water supply parameter measuring device; and the mobile terminal is configured to respond to the request type and the known fire scene parameters input by a user, acquire the performance parameters of the fire-fighting water supply equipment from the cloud server, calculate the unknown water supply parameters according to the known fire scene parameters, the request type and the performance parameters of the fire-fighting water supply equipment, and display the calculation result. The fire control commander can quickly and accurately calculate the water supply force required by the fire scene according to the fire scene condition, know the surrounding water supply facilities, quickly find nearby water sources, fire hydrants, water pump connectors and the like to take water, and automatically screen fire vehicles according to the calculation result of the decision making system.
Description
Technical Field
The invention relates to the field of fire protection, in particular to a fire scene water supply auxiliary decision-making system.
Background
With the development of economy and society and the progress of urban design, the fire safety problem of cities has been increasingly highlighted, and the fire phenomenon is more and more complex and diversified, and is specifically expressed as follows: the fire disaster is more concentrated due to the characteristics of centralized population, building, production and material of modern cities; the use of various novel materials leads to the increase of combustible species, the more complex combustion forms and products and the prominent problem of toxic gas hazard in fire; the use of various new energy sources and electrical products leads to more complex, various and concealed fire causes; underground works fires occur in large quantities. These fire supplies to fire forces are tested, and how much water, water pressure, vehicle conditions and arrangement are needed for the fire can be supplied in time and uninterruptedly, directly related to the success or failure of the fire fighting. The fire control commander on the fire scene needs to quickly know the surrounding environment of the fire scene, the water source condition, the position of the fire hydrant and surrounding key units, quickly estimate the fire extinguishing amount according to the fire area of the fire disaster, allocate fire engines meeting the water supply requirement of the front scene according to the number of the front scene guns and the water supply distance, and dispatch the fire engine equipment of each team station when the fire disaster is extremely large, so that the fire engine equipment condition of each team station needs to be known in detail, and the fire control commander has high requirements, not only has abundant front line combat experience, but also needs high theoretical level, is familiar with the water supply condition of the scene, and can quickly calculate and accurately judge under the complex environment of the scene to give instructions.
Disclosure of Invention
The invention aims to provide a fire scene water supply auxiliary decision-making system according to the defects of the prior art.
The invention is realized by the following technical scheme:
the fire scene water supply auxiliary decision-making system comprises a water supply parameter measuring device, a mobile terminal and a cloud server, wherein:
the water supply parameter measuring device is arranged on the fire water supply equipment and is used for measuring the pressure, the flow, the position and the height of the installation position of the fire water supply equipment;
the mobile terminal is in communication connection with the water supply parameter measuring device; the mobile terminal is configured to: responding to a request type and known fire scene parameters input by a user, acquiring performance parameters of fire-fighting water supply equipment from the cloud server, calculating unknown water supply parameters according to the known fire scene parameters, the request type and the performance parameters of the fire-fighting water supply equipment, and displaying calculation results;
the cloud server is in communication connection with the mobile terminal and the water supply parameter measuring device; the cloud server measures performance parameters of the fire-fighting water supply equipment through the water supply parameter measuring device; the cloud server is configured to: and sending the performance parameters of the fire water supply equipment to the mobile terminal in response to the request of the mobile terminal.
The invention is further improved in that the request type comprises water zone loss calculation, in the water zone loss calculation process, necessary known fire scene parameters comprise water zone type and material, water zone horizontal paving distance, water supply height, system flow and outlet pressure of hydraulic spraying equipment, and in the water zone loss calculation process, the calculated unknown water supply parameters comprise water zone pressure loss, system pressure loss, required water supply pressure and recommended fire truck; the recommended fire truck is obtained by screening from a fire truck database according to the required water supply pressure; the mathematical model used for calculation is:
P pump with a pump body ＝∑SQ 2 +gZ
h Water hose ＝P Pump with a pump body -gZ-P Spraying
Wherein:
P pump with a pump body -fire pump outlet pressure in kPa;
q-system flow in L/s;
h water hose -the loss of resistance of the water belt in kPa;
P spraying -the injection pressure of the hydraulic injection equipment in kPa; the hydraulic jetting equipment comprises a water gun and a water cannon;
z is water supply height, the unit is m
Σs—sum of impedance coefficients of all water hoses, water supply accessories, spray equipment in the piping system.
n is the number of water bands, the unit is the root, the branch lines and the trunk line are formed by sequentially connecting a plurality of water bands, and the length of each fire hose is usually 20 meters;
the request type comprises water supply parameter calculation of the hydraulic spraying equipment, in the process of water supply parameter calculation of the hydraulic spraying equipment, necessary known fire scene parameters comprise gun type and spraying pressure, and the calculated unknown water supply parameters comprise range, counter force and flow of the hydraulic spraying equipment;
the request type comprises gun discharging number calculation, necessary known fire scene parameters comprise water pump working pressure, water supply height, water band specification, water band number, water gun pressure and specification, single gun flow, the calculated unknown water supply parameters comprise required system flow and number of hydraulic spraying equipment, and fire engines meeting the conditions are screened out from a fire engine database according to the calculation result; the calculation formula is as follows:
wherein:
q:1 trunk water hose flow;
n: a trunk number;
S sd -the impedance coefficient of the single water strip;
the request type comprises water supply force calculation, wherein in the water supply force calculation process, necessary known fire scene parameters comprise water pump working pressure, water supply height, main line water band specification and number, branch line water band specification and number, gun/cannon number and gun/cannon specification, and the calculated unknown water supply parameters comprise system flow Q, single gun flow Q and pressure; the calculation formula is as follows:
the request type comprises fire extinguishing force calculation, wherein in the process of fire extinguishing force calculation, necessary known fire scene parameters comprise the area of excessive fire and the type of combustion objects, and the calculated unknown water supply parameters comprise the heat release rate and the required water supply flow; the calculation formula is as follows:
a is the area of excessive fire, the unit is m 2 ；
Fire-extinguishing intensity in L/m 2 ·S。
The invention further improves that: the request type comprises actual water supply capacity calculation of the vehicle, and in the actual water supply capacity calculation process, necessary known fire scene parameters comprise the type of a fire pump of the vehicle, the connection mode of the fire pump, the number and the type of trunk water bands, the number and the type of the branch water bands and hydraulic jet equipment parameters; in the calculation process, inquiring an actual performance curve of the fire pump according to the model of the fire pump and the connection mode of the fire pump, and calculating or inquiring a pipeline curve according to the number and the model of the trunk water bands, the number and the model of the branch water bands and the hydraulic injection equipment parameters to calculate the intersection point of the actual performance curve of the fire pump and the pipeline curve; obtaining system pressure and system flow according to the intersection point, and calculating single gun flow, pressure and gun output number; in the actual water supply capacity calculation process, the unknown water supply parameters comprise system pressure, system flow, single gun flow, pressure and gun output number.
The invention is further improved in that the water supply parameter measuring device comprises a pressure gauge, a flowmeter, a GPS module and an altimeter; the water supply parameter measuring device further comprises a wireless communication module, and the wireless communication module is used for sending measurement results of the pressure gauge, the flowmeter, the GPS module and the altimeter to the cloud server.
According to the invention, the cloud server is configured to determine the actual performance curve of the fire pump and the pipeline curve of the water supply equipment according to the measurement result of the water supply parameter measurement device installed on the fire pump and the water supply equipment, and store the measured actual performance curve of the fire pump and the pipeline curve into a database for inquiry in the process of calculating the actual water supply capacity.
The invention is further improved in that the fire truck outlet is connected with a water supply parameter measuring device, the water supply parameter measuring device is sequentially connected with a flow regulating valve, a water supply pipeline and an injection device, and the flow point is controlled by regulating the flow regulating valve so as to measure the pressure-flow curve of the fire truck;
or/and, the outlet of the fire truck is connected with a water supply parameter measuring device, the water supply parameter measuring device is sequentially connected with a flow regulating valve, a water supply pipeline, a pressure sensor assembly and an injection device, and the flow point is controlled by regulating the flow regulating valve so as to measure the pressure-flow curve of the injection device.
The invention further improves that the communication mode adopted by the wireless communication module comprises one or a combination of more of ZigBee, NBiot, bluetooth, wiFi, 2G, 3G, 4G and 5G communication.
A further development of the invention consists in that the water supply parameter measuring device comprises a measuring tube for connection in series with a line of a fire water supply, the pressure gauge and the flow meter being mounted on the measuring tube.
The invention is further improved in that a fire engine, a fire pump, a fire gun, a combustion object, a water hose and a map information database are arranged in the cloud server; the map information database comprises basic information such as fire hydrants, key buildings, water source position information, key unit areas, personnel number, dangerous sources and the like, water supply plans and building BIM information; the actual pressure and flow information of each fire-fighting device is stored in the fire-fighting truck, the fire-fighting pump and the fire-fighting gun database.
The invention further improves the fire drill function, can call map information according to the water supply drill place, display surrounding hydrant, water source and building information, draw fire area and water supply line on the map, mark vehicle parking position, number of front gun, automatically calculate required water supply pressure and flow, and screen out vehicle information meeting the requirements from the database.
The beneficial effects of the invention are as follows: the system can quickly and accurately enable a fire commander to quickly and effectively calculate the water supply force required by a fire scene according to the condition of the fire scene, know surrounding water supply facilities, quickly find nearby water sources, fire hydrants, water pump connectors and the like to take water, quickly automatically screen fire vehicles according to the calculation result of the decision making system, and provide an auxiliary decision making system for inquiring and calculating the water supply force for the fire commander. Meanwhile, the system can rapidly acquire pressure, flow, position and height, realize wireless data transmission to a decision system, and can be applied to daily water supply tests, vehicle tests, fire hydrant tests and the like of fire fighting forces.
Drawings
FIG. 1 is a block diagram of the fire scene water supply aid decision making system of the present invention;
FIG. 2 is a schematic diagram of the piping curve coupled with the actual performance curve of the fire pump;
FIG. 3 is a schematic view of a hose connection structure;
FIG. 4 is a simplified schematic illustration of the hose connection of FIG. 3;
FIG. 5 is a simplified schematic illustration of the hose connection of FIG. 4;
FIG. 6 is a side view of a water supply parameter measuring device;
FIG. 7 is a schematic diagram of a water supply system when measuring a fire truck pressure-flow curve;
FIG. 8 is a schematic diagram of the water supply system when measuring the pressure-flow curve of the sprayer.
The reference numerals are as follows:
the system comprises a water supply parameter measuring device 1, a mobile terminal 2, a cloud server 3, a pressure gauge 4, a flowmeter 5, a GPS module 6, an altimeter 7, a wireless communication module 8, a controller 9, a measuring tube 10, a fire truck 11, a flow regulating valve 12, an ejector 13 and a pressure sensor assembly 14.
Detailed Description
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the invention discloses a fire water supply auxiliary decision-making system, which comprises a water supply parameter measuring device 1, a mobile terminal 2 and a cloud server 3.
The water supply parameter measuring device 1 is installed on a fire water supply apparatus for measuring pressure, flow rate, position and height at its installation location. The sensors of the water supply parameter measuring device 1 comprise a pressure gauge 4, a flow meter 5, a GPS module 6 and an altimeter 7. The water supply parameter measuring apparatus 1 further includes a wireless communication module 8 for transmitting the measurement results of the pressure gauge 4, the flow meter 5, the GPS module 6, and the altimeter 7 to the cloud server 3 or transmitting the measurement results to the cloud server 3 with the mobile terminal 2 as a relay. The cloud server 3 stores and processes the data measured by the water supply parameter measuring device 1. The communication system adopted by the wireless communication module 8 comprises one or a combination of more of ZigBee, NBiot, bluetooth, wiFi, 2G, 3G, 4G and 5G communication.
As shown in fig. 6, the water supply parameter measuring apparatus 1 further includes a measuring pipe 10 and a controller, the measuring pipe 10 is used to be connected in series with a pipe of the fire water supply device, and the pressure gauge 4 and the flow meter 5 are mounted on the measuring pipe 10 so as to measure the pressure and flow rate of the fire water supply device. The two ends of the measuring tube 10 are provided with fire-fighting quick connectors which are matched with fire-fighting water supply equipment.
The controller 9 is in communication with the wireless communication module 8, the pressure gauge 4, the flow meter 5, the GPS module 6, and the altimeter 7. The controller 9 may be implemented using a commercially available microcontroller, for example, using MCU, PCL, FPGA or the like. A battery is arranged in the water supply parameter measuring device 1, and the battery is used for supplying power to each active device in the water supply parameter measuring device 1.
The water supply parameter measurement device 1 may be connected to the mobile terminal 2 in a communication manner, or may be directly connected to the cloud server 3 in a communication manner, and each water supply parameter measurement device 1 may be networked by ZigBee or NBIoT. The water supply parameter measuring device 1 may directly transmit the data detected by the water supply parameter measuring device to the cloud server 3, or may transmit the data to the cloud server 3 as a relay through the mobile terminal 2 or other water supply parameter measuring devices 1.
The mobile terminal 2 may be implemented by a mobile phone, a tablet computer or a customized PDA, and the mobile terminal 2 also has a function of temporarily storing measurement results.
The cloud server 3 may be implemented by a server, a PC, or a cloud server. The cloud server 3 is provided with a fire engine, a fire pump, hydraulic jetting equipment, a combustion object, a water belt and a map information database. The user can log in the database through the mobile terminal 2 to add or update contents. For example, the user may add hydrants, accent buildings, and water source location information to the map database. On the basis, the database also comprises actual pressure and flow information of the fire hydrant, basic information such as key unit area, personnel number, dangerous sources and the like, water supply plan and building BIM information.
The cloud server 3 may generate a corresponding actual performance curve of the fire water supply apparatus according to the measurement result of the water supply parameter measurement device 1. The fire-fighting water supply equipment comprises a fire-fighting truck, a fire pump, hydraulic jet equipment (water gun, water cannon) and other parts. In actual use, the water supply parameter measuring device 1 can be temporarily mounted on a corresponding fire water supply apparatus for periodic testing. The water supply parameter measuring device 1 may also be fixedly mounted to a certain fire water supply apparatus for real-time measurement.
In the above measurement process, the actual performance curve of the fire pump can be obtained. By connecting the fire pumps in series or in parallel, the actual performance curve of the fire pump in the series or in parallel state can be obtained, and the actual performance curve in the series or in parallel state is difficult to obtain the actual result according with the simple theoretical parameter. The graph is shown in fig. 2, with the flow on the abscissa and the outlet pressure on the ordinate.
In addition, in the actual measurement process, each water supply device, such as a water hose, a water gun and a water cannon, can be combined in a common manner to form a fixed water supply pipeline scheme, and the actual measurement is performed by the water supply parameter measurement device of the embodiment so as to obtain a pipeline curve of the fixed water supply pipeline scheme. In the prior art, the calculation of various pipeline water supplies is carried out according to an empirical model, a larger error exists between the calculated result and the actual working state of the pipeline, and the error between the calculated result of the empirical model and the actual state is further increased due to a complex pipeline connection structure. In this embodiment, the pipeline curve of the fixed water supply pipeline is measured by adopting an actual measurement mode, so that the actual working state of the water supply pipeline can be accurately reflected.
As shown in fig. 2, the graph also includes a line curve actually measured, the abscissa indicates the flow rate, and the ordinate indicates the inlet pressure of the fixed water supply line. Besides the pipeline curve at the inlet, the pipeline curve of each outlet can be obtained by measuring the outlet of each water gun or water cannon.
The periodic measurement is carried out by the water supply parameter measuring device 1, and the aging and the abrasion of the fire pump and the water supply equipment in the long-term use process can be also reflected. The fire department can maintain or replace the fire pump and the water supply equipment according to the actual measurement result so as to avoid the dangerous case that the old water supply equipment cannot cope with the burst.
In addition, the fire scene water supply auxiliary decision system can also be used for measuring the pressure-flow curve of the fire truck, as shown in fig. 7, during the measurement process: the outlet of the fire truck 11 is connected with the water supply parameter measuring device 1, the water supply parameter measuring device 1 is sequentially connected with the flow regulating valve 12, the water supply pipeline and the spraying device 13, and the flow point is controlled by regulating the flow regulating valve 12 so as to measure the pressure-flow curve of the fire truck. The pressure in the pressure-flow curve here is the measurement result of the water supply parameter measuring device 1.
The fire water assist decision system may also be used to measure the pressure-flow curve of the spraying appliance, as shown in fig. 8, during the measurement process: the outlet of the fire engine 11 is connected with the water supply parameter measuring device 1, the water supply parameter measuring device 1 is sequentially connected with the flow regulating valve 12, the water supply pipeline, the pressure sensor assembly 14 and the spraying appliance 13, and the flow point is controlled by regulating the flow regulating valve 12 so as to measure the pressure-flow curve of the spraying appliance. The pressure in the pressure-flow curve here is the measurement of the pressure sensor assembly 14.
As a basic function, the cloud server 3 may store each actual performance curve and pipeline curve, and provide a query service. A user with the mobile terminal 2 can inquire the pipeline curve of each fire-fighting water supply device and the actual performance curve of the fire pump, and the realization of the functions relates to wireless transmission of data and addition, deletion and modification of a database, which are conventional technical means in the field and do not need to rely on specific software.
Map information can be also adjusted out by inputting fire scene places, and surrounding fire hydrants, water sources and building information can be displayed. The actual performance curve of the fire water supply can be checked by selecting the corresponding fire water supply equipment, and information such as abstract information (maximum value, minimum value, deviation from theoretical value) and the like of the curve or the curve can be checked. Through the inquiry function, fire fighters can quickly inquire the related information of the fire scene and the information of the fire water supply equipment in the decision making process, so that the fire fighters can make decisions.
On the basis, the fire scene water supply auxiliary decision-making system of the embodiment can also provide further auxiliary decision-making functions. In the auxiliary decision function, the mobile terminal 2 is configured to obtain required performance parameters of the fire-fighting water supply device from the cloud server 3 in response to a request type and known fire scene parameters input by a user, calculate unknown water supply parameters according to the known fire scene parameters, the request type and the performance parameters of the fire-fighting water supply device, and display the calculation result.
The stored performance parameters in the cloud server 3 database include theoretical parameters provided by the equipment manufacturer and actual measured parameters of the water supply parameter measuring device 1. The actual measured parameters include the actual performance curves and piping curves described above. In the process of performing the auxiliary decision-making, the cloud server 3 preferentially uses the actual measurement parameters, and when the actual measurement parameters are absent, uses the recording parameters provided by the manufacturer to perform the calculation.
In this embodiment, the request types include water loss calculation, water supply parameter calculation of the hydraulic jet equipment, gun number calculation, water supply force calculation, fire extinguishing force calculation, and actual water supply capacity calculation of the vehicle.
In the process of calculating the water loss, necessary known fire scene parameters comprise water band types and materials, horizontal paving distance of the water bands (the length of each water band can be obtained according to the horizontal paving distance of the water bands), water supply height, system flow and outlet pressure of hydraulic spraying equipment, and in the process of calculating the water loss, the calculated unknown water supply parameters comprise water band pressure loss, system pressure loss, required water supply pressure and recommended fire engines; the recommended fire truck is selected from the fire truck database according to the required water supply pressure. In this embodiment, the mathematical model used to calculate the unknown water supply parameters is:
P pump with a pump body ＝∑SQ 2 +gZ (1)
h Water hose ＝P Pump with a pump body -gZ-P Spraying (3)
Wherein:
P pump with a pump body -fire pump outlet pressure in kPa;
q-system flow in L/s;
h water hose -the loss of resistance of the water belt in kPa;
P spraying -the injection pressure of the hydraulic injection equipment in kPa; hydraulic powerThe spraying equipment comprises a water gun and a water gun;
z is water supply height, the unit is m
Σs—sum of impedance coefficients of all water hoses, water supply accessories, injection equipment in the piping system.
n-the number of water bands, the unit is the root, the branch lines and the trunk lines are formed by sequentially connecting a plurality of water bands, and the length of each fire hose is usually 20 meters.
In the process of calculating the water supply parameters of the hydraulic spraying equipment, necessary known fire scene parameters comprise gun type and spraying pressure, the calculated unknown water supply parameters comprise range, counter force and flow of the hydraulic spraying equipment, and in the embodiment, the position water supply parameters in the water supply parameters of the hydraulic spraying equipment are calculated by adopting a formula (1).
In the process of calculating the number of the water-jet nozzles (the number of the hydraulic-jet nozzles) out, necessary known fire scene parameters comprise the working pressure of a water pump, the water supply height, the specification of a water band, the number of the water band, the pressure and the specification of a water gun and the flow rate of a single nozzle, the calculated unknown water supply parameters comprise the number of the hydraulic-jet nozzles out, and the fire-fighting truck meeting the conditions is screened out from a fire-fighting truck database according to the calculation result; the calculation formula is as follows:
wherein:
q1:1 trunk water hose flow;
n: a trunk number;
S sd -the impedance coefficient of the individual water strips.
In the process of calculating the water supply force, necessary known fire scene parameters comprise the working pressure of a water pump, the water supply height, the specification and the number of main water bands, the specification and the number of branch water bands, the number of guns/guns and the specification of water guns/guns, and the calculated unknown water supply parameters comprise the flow rate of the system, the flow rate of a single gun and the pressure. The specific calculation formula is as follows:
referring to fig. 3, fig. 3 shows a conventional water hose connection. The water supply parameters of the water band can be calculated according to the mathematical model. In the series-parallel water hose system of fig. 3, three layers are divided in total, wherein three groups of parallel water hoses of the C-branch (C A1 、C B1 、C C1 )、(C A2 、C B2 、C C2 )、(C A3 、C B3 、C C3 ) The three branches A, B, C are the second layer and the whole system is the highest layer. According to the idea of layer-by-layer integration, the upper diagram can be simplified into the water hose connection structure shown in fig. 4. From formula (6):
the water hose connection structure of fig. 4 can be simplified to the form shown in fig. 5, and the water supply parameters of the water hose can be calculated by using the above formula (6). The calculation process is as follows:
according to the water supply parameters of the water belt, the system flow Q and the required water supply flow Q can be further solved.
In the process of calculating the fire extinguishing force, necessary known fire scene parameters comprise the fire passing area and the type of the combustion object, the calculated unknown water supply parameters comprise the heat release rate and the required water supply flow q, and the calculation formula is as follows:
a is the area of excessive fire, the unit is m 2 ；
Fire-extinguishing intensity in L/m 2 ·S。
In the actual water supply capacity calculation process, necessary known fire scene parameters comprise the type of a fire pump of a vehicle, the connection mode of the fire pump, the number and the type of trunk water bands, the number and the type of branch water bands and hydraulic jet equipment parameters; in the calculation process, the actual performance curve of the fire pump is inquired according to the model of the fire pump and the connection mode of the fire pump, and the pipeline curve is calculated or inquired according to the number and model of the trunk water bands, the number and model of the branch water bands and the parameters of the hydraulic jet equipment. When the number and model of the trunk water bands, the number and model of the branch water bands and the hydraulic jetting equipment parameters are the existing fixed water supply pipeline schemes in the database and the fixed water supply pipeline schemes have corresponding pipeline curves, the existing pipeline curves are preferentially adopted, and when the existing pipeline curves are not available, the pipeline curves are calculated by using the models corresponding to formulas (1) to (3).
In the calculation process, a user can input a plurality of groups of known fire scene parameters, the mobile terminal 2 can respectively request the performance parameters of the corresponding fire-fighting water supply equipment according to the plurality of groups of known fire scene parameters, and calculate to obtain the optimal unknown fire scene parameters, so that the fire pump can be matched with a reasonable water supply pipeline.
In the normal case, one end of the trunk water hose is connected with a single fire water pump, a fire water pump connected in series or a fire water pump connected in parallel; the other end of the hydraulic jet device is connected with a plurality of trunk water belts, and the tail end of each trunk water belt is connected with the hydraulic jet device. Therefore, the connection mode of the water bands can be determined by knowing the number and the model of the trunk water bands, the number and the model of the branch water bands and the parameters of the hydraulic jet equipment.
As shown in fig. 2, the pipeline curve and the actual performance curve of the fire pump are combined, and the intersection point of the actual performance curve of the fire pump and the pipeline curve is calculated; obtaining actual system pressure and system flow according to the intersection point, and calculating single gun flow, pressure and gun output number (the number of hydraulic ejection equipment); in the actual water supply capacity calculation process, the unknown water supply parameters comprise system pressure, system flow, single gun flow, pressure and gun output number.
The fire scene water supply auxiliary decision-making system of the embodiment also has the function of fire drill. In the drilling process, map information is called out according to water supply drilling places, surrounding hydrant, water source and building information is displayed, a firing area and a water supply line are drawn on the map, vehicle parking positions are marked out, the number of front-field gun discharging is counted, required water supply pressure and flow are calculated automatically, and vehicle information meeting requirements is screened out from a database.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (7)
1. The fire scene water supply auxiliary decision-making system is characterized by comprising a water supply parameter measuring device, a mobile terminal and a cloud server, wherein:
the water supply parameter measuring device is arranged on the fire water supply equipment and is used for measuring the pressure, the flow, the position and the height of the installation position of the fire water supply equipment;
the mobile terminal is in communication connection with the water supply parameter measuring device; the mobile terminal is configured to: responding to a request type and known fire scene parameters input by a user, acquiring performance parameters of fire-fighting water supply equipment from the cloud server, calculating unknown water supply parameters according to the known fire scene parameters, the request type and the performance parameters of the fire-fighting water supply equipment, and displaying calculation results;
the cloud server is in communication connection with the mobile terminal and the water supply parameter measuring device; the cloud server measures performance parameters of the fire-fighting water supply equipment through the water supply parameter measuring device; the cloud server is configured to: responding to the request of the mobile terminal, and sending the performance parameters of the fire-fighting water supply equipment to the mobile terminal;
the request type comprises water zone loss calculation, wherein in the water zone loss calculation process, necessary known fire scene parameters comprise water zone type and material, water zone horizontal paving distance, water supply height, system flow and outlet pressure of hydraulic spraying equipment, and in the water zone loss calculation process, the calculated unknown water supply parameters comprise water zone pressure loss, system pressure loss, required water supply pressure and recommended fire truck; the recommended fire truck is obtained by screening from a fire truck database according to the required water supply pressure; the mathematical model used for calculation is:
P pump with a pump body ＝∑SQ 2 +gZ
h Water hose ＝P Pump with a pump body -gZ-P Spraying
Wherein:
P pump with a pump body -fire pump outlet pressure in kPa;
q-system flow in L/s;
h water hose -the loss of resistance of the water belt in kPa;
P spraying -the injection pressure of the hydraulic injection equipment in kPa; the hydraulic jetting equipment comprises a water gun and a water cannon;
z is water supply height, the unit is m
Σs—sum of impedance coefficients of all water bands, water supply accessories, injection equipment in the pipeline system;
n is the number of water bands, the unit is the root, the branch lines and the trunk line are formed by sequentially connecting a plurality of water bands, and the length of each fire hose is 20 meters;
the request type comprises water supply parameter calculation of the hydraulic spraying equipment, in the process of water supply parameter calculation of the hydraulic spraying equipment, necessary known fire scene parameters comprise gun type and spraying pressure, and the calculated unknown water supply parameters comprise range, counter force and flow of the hydraulic spraying equipment;
the request type comprises gun discharging number calculation, necessary known fire scene parameters comprise water pump working pressure, water supply height, water band specification, water band number, water gun pressure and specification, single gun flow, the calculated unknown water supply parameters comprise required system flow and number of hydraulic spraying equipment, and fire engines meeting the conditions are screened out from a fire engine database according to the calculation result; the calculation formula is as follows:
wherein:
n: a trunk number;
S sd -the impedance coefficient of the single water strip;
the request type comprises water supply force calculation, wherein in the water supply force calculation process, necessary known fire scene parameters comprise water pump working pressure, water supply height, main line water band specification and number, branch line water band specification and number, gun/cannon number and gun/cannon specification, and the calculated unknown water supply parameters comprise system flow Q, single gun flow Q and pressure; the calculation formula is as follows:
the request type comprises fire extinguishing force calculation, wherein in the process of fire extinguishing force calculation, necessary known fire scene parameters comprise the area of excessive fire and the type of combustion objects, and the calculated unknown water supply parameters comprise the heat release rate and the required water supply flow; the calculation formula is as follows:
a is the area of excessive fire, the unit is m 2 ；
Fire-extinguishing intensity in L/m 2。 S。
2. A fire water assist decision system as recited in claim 1 wherein: the request type comprises actual water supply capacity calculation of the vehicle, and in the actual water supply capacity calculation process, necessary known fire scene parameters comprise the type of a fire pump of the vehicle, the connection mode of the fire pump, the number and the type of trunk water bands, the number and the type of the branch water bands and hydraulic jet equipment parameters; in the calculation process, inquiring an actual performance curve of the fire pump according to the model of the fire pump and the connection mode of the fire pump, and calculating or inquiring a pipeline curve according to the number and the model of the trunk water bands, the number and the model of the branch water bands and the hydraulic injection equipment parameters to calculate the intersection point of the actual performance curve of the fire pump and the pipeline curve; obtaining system pressure and system flow according to the intersection point, and calculating single gun flow, pressure and gun output number; in the actual water supply capacity calculation process, the unknown water supply parameters comprise system pressure, system flow, single gun flow, pressure and gun output number.
3. A fire water assist decision system as recited in claim 2 wherein: the water supply parameter measuring device comprises a pressure gauge, a flowmeter, a GPS module and an altimeter; the water supply parameter measuring device further comprises a wireless communication module, and the wireless communication module is used for sending measurement results of the pressure gauge, the flowmeter, the GPS module and the altimeter to the cloud server.
4. A fire water assist decision system as recited in claim 3 wherein: the cloud server is configured to determine an actual performance curve of the fire pump and a pipeline curve of the water supply equipment according to measurement results of the water supply parameter measurement devices installed on the fire pump and the water supply equipment, and store the measured actual performance curve of the fire pump and the measured pipeline curve into a database for query use in the actual water supply capacity calculation process.
5. A fire water assist decision system as recited in claim 4 wherein:
the fire truck outlet is connected with a water supply parameter measuring device, the water supply parameter measuring device is sequentially connected with a flow regulating valve, a water supply pipeline and an injection device, and the flow point is controlled by regulating the flow regulating valve so as to measure the pressure-flow curve of the fire truck;
or/and, the outlet of the fire truck is connected with a water supply parameter measuring device, the water supply parameter measuring device is sequentially connected with a flow regulating valve, a water supply pipeline, a pressure sensor assembly and an injection device, and the flow point is controlled by regulating the flow regulating valve so as to measure the pressure-flow curve of the injection device.
6. A fire water assist decision system as recited in claim 3 wherein the wireless communication module employs a communication scheme comprising one or more of ZigBee, NBIoT, bluetooth, wiFi, 2G, 3G, 4G, 5G communication.
7. A fire water supply aid decision making system according to claim 3, wherein the water supply parameter measuring means comprises a measuring tube for connection in series with a pipe of a fire water supply apparatus, the pressure gauge and the flow meter being mounted on the measuring tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322357.0A CN110874721B (en) | 2019-12-20 | 2019-12-20 | Fire scene water supply auxiliary decision-making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322357.0A CN110874721B (en) | 2019-12-20 | 2019-12-20 | Fire scene water supply auxiliary decision-making system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110874721A CN110874721A (en) | 2020-03-10 |
| CN110874721B true CN110874721B (en) | 2023-08-25 |
Family
ID=69717529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911322357.0A Active CN110874721B (en) | 2019-12-20 | 2019-12-20 | Fire scene water supply auxiliary decision-making system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110874721B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643846B (en) * | 2020-05-25 | 2021-09-14 | 劲源科技发展有限公司 | Fire hydrant intelligent monitoring device based on Internet of things |
| CN113850690A (en) * | 2020-06-28 | 2021-12-28 | 林余臻 | Assessment and management method and system for water service of movable house |
| CN114768157A (en) * | 2022-03-21 | 2022-07-22 | 上海荆桂智能科技有限公司 | Fire-fighting water supply strategy deployment method, system, medium and computer equipment |
| CN115671637A (en) * | 2022-10-28 | 2023-02-03 | 周文军 | Efficient system for firefighting rescue making full use of firefighting resources |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007164625A (en) * | 2005-12-15 | 2007-06-28 | Hitachi Software Eng Co Ltd | Fire fighting support system |
| CN105999591A (en) * | 2016-08-08 | 2016-10-12 | 国网湖南省电力公司 | Fire fighting hose configuration method of power transmission line mountain fire extinguishing platform |
| CN106807023A (en) * | 2015-11-28 | 2017-06-09 | 重庆成吉消防材料有限公司 | A kind of sensor-based automation fire-fighting robot |
| CN106880916A (en) * | 2017-02-24 | 2017-06-23 | 湖南省湘电试研技术有限公司 | A kind of powered high-lift fire extinguishing equipment Design method of transmission line forest fire |
| CN107982842A (en) * | 2017-11-17 | 2018-05-04 | 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 |
| DE202018102630U1 (en) * | 2018-05-09 | 2018-05-18 | Chengdu Aboluo Fire Equipment Co., Ltd. | Water supply system for extinguishing work |
| RU2663605C1 (en) * | 2017-04-28 | 2018-08-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Дальневосточный государственный университет путей сообщения" (ДВГУПС) | Method of testing internal fire-fighting water pipeline |
| CN109543919A (en) * | 2018-12-03 | 2019-03-29 | 公安部天津消防研究所 | A kind of fire-fighting dynamic Decision System of Emergency and its implementation to be developed based on accident |
-
2019
- 2019-12-20 CN CN201911322357.0A patent/CN110874721B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007164625A (en) * | 2005-12-15 | 2007-06-28 | Hitachi Software Eng Co Ltd | Fire fighting support system |
| CN106807023A (en) * | 2015-11-28 | 2017-06-09 | 重庆成吉消防材料有限公司 | A kind of sensor-based automation fire-fighting robot |
| CN105999591A (en) * | 2016-08-08 | 2016-10-12 | 国网湖南省电力公司 | Fire fighting hose configuration method of power transmission line mountain fire extinguishing platform |
| CN106880916A (en) * | 2017-02-24 | 2017-06-23 | 湖南省湘电试研技术有限公司 | A kind of powered high-lift fire extinguishing equipment Design method of transmission line forest fire |
| RU2663605C1 (en) * | 2017-04-28 | 2018-08-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Дальневосточный государственный университет путей сообщения" (ДВГУПС) | Method of testing internal fire-fighting water pipeline |
| CN107982842A (en) * | 2017-11-17 | 2018-05-04 | 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 |
| DE202018102630U1 (en) * | 2018-05-09 | 2018-05-18 | Chengdu Aboluo Fire Equipment Co., Ltd. | Water supply system for extinguishing work |
| CN109543919A (en) * | 2018-12-03 | 2019-03-29 | 公安部天津消防研究所 | A kind of fire-fighting dynamic Decision System of Emergency and its implementation to be developed based on accident |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110874721A (en) | 2020-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110874721B (en) | Fire scene water supply auxiliary decision-making system | |
| US10815118B2 (en) | Mobile distribution station having sensor communication lines routed with hoses | |
| US11173331B2 (en) | Fire-fighting control system | |
| US10974955B2 (en) | Mobile distribution station for fluid dispensing | |
| US10705547B2 (en) | Mobile distribution station with guided wave radar fuel level sensors | |
| US10196258B2 (en) | Method and system for mobile distribution station | |
| US10633243B2 (en) | Mobile distribution station | |
| US9625915B2 (en) | Complete integrated fireground control system and method | |
| US9744544B1 (en) | Plural component mixing system | |
| US8401811B1 (en) | Flow testing system for fluid networks | |
| US8805633B1 (en) | Flow testing system for fluid networks | |
| US11590374B2 (en) | Mobile compressed foam firefighting system | |
| US20210348988A1 (en) | Methane watchdog system, a cost effective approach to longwall methane monitoring and control | |
| US7066010B2 (en) | Hydrostatic test system and method | |
| IL298897A (en) | Apparatus and method for testing a fire suppression system | |
| US20160097397A1 (en) | Pump testing system | |
| RU154759U1 (en) | INSTALLATION FOR SIMULATING RAIN CONDITIONS AT THE INPUT OF A GAS TURBINE ENGINE DURING ITS TESTS | |
| KR102441271B1 (en) | The fire pump truck furnished with remote foam flow rate control system | |
| CN205117746U (en) | Spray pump of wide range sprays | |
| CN211536292U (en) | Wireless self-powered measuring device for pressure and flow | |
| CA3023080C (en) | Method and system for mobile distribution station | |
| KR102406657B1 (en) | System for evaluating fire extinguishing performance | |
| Dobeš et al. | EXPERIMENTAL MEASUREMENT OF PRESSURE LOSSESS REGARDING HIGH CAPACITY PUMPING | |
| CN210975969U (en) | Fire hydrant device based on internet of things | |
| AU2021105506A4 (en) | The apparatus and system for smart fire fighter device. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |