CN114146353B - Automatic diagnosis system and automatic diagnosis method for building fire water supply system - Google Patents
Automatic diagnosis system and automatic diagnosis method for building fire water supply system Download PDFInfo
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- CN114146353B CN114146353B CN202111465126.2A CN202111465126A CN114146353B CN 114146353 B CN114146353 B CN 114146353B CN 202111465126 A CN202111465126 A CN 202111465126A CN 114146353 B CN114146353 B CN 114146353B
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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 discloses an automatic diagnosis system of a building fire water supply system, which comprises: the system comprises a liquid level sensor arranged on a fire water tank, a vibration sensor arranged on a fire pump, a valve monitor, pressure sensors respectively arranged on branch pipelines and a main pipeline of each layer of the building, flow sensors respectively arranged on branch pipelines of each layer of the building, terminal water testing devices respectively arranged on branch pipelines of each layer of the building, and remote control terminals respectively in communication connection with other components of the system; the remote control terminal controls the opening and closing of the tail end water testing device, receives data collected by the liquid level sensor, the vibration sensor, the valve monitor, the pressure sensor and the flow sensor, and carries out automatic diagnosis according to the received data.
Description
Technical Field
The invention relates to the technical field of fire safety, in particular to an automatic diagnosis system and an automatic diagnosis method for a building fire water supply system.
Background
In the field of building fire safety, an automatic water spray fire extinguishing system (building fire water supply system) in a building plays a key role in automatically spraying water and extinguishing fire when a fire breaks out in the building.
As shown in fig. 1, a fire water supply system for a building in the prior art includes: the fire-fighting water tank is connected with the fire-fighting water tank through a pipeline;
fire water tank generally sets up in the building top, is connected through the main pipeline of fire water tank output line with the building, and the main pipeline of building is connected with every layer of branch pipe line of building respectively, and fire water tank carries the water source to every layer of branch pipe line through main pipeline. The fire pool is generally arranged on the ground and is connected with a main pipeline of a building through a fire pool output pipeline, the main pipeline of the building is respectively connected with each layer of branch pipeline of the building, and the fire pool conveys water sources to each layer of branch pipeline through the main pipeline; and the fire pump is arranged on the output pipeline of the fire pool and used for providing power for the fire pool to convey water sources to each layer of branch pipeline. The valve includes: the signal valve is arranged on each layer of branch pipeline of the building, the signal valve is arranged on a main pipeline of the building, and the gate valve is arranged on an output pipeline of the fire pool. The water flow indicator is arranged on each layer of branch pipeline of the building and used for indicating the flow speed of water flow in each layer of branch pipeline. The alarm valve is arranged on a main pipeline of a building and used for switching on and switching off a water source in the main pipeline.
However, at present, whether the fire-fighting equipment in most building fire-fighting water supply systems is intact or not and whether the system functions are intact or not are unknown, and automatic diagnosis cannot be performed on whether the fire-fighting equipment in the building fire-fighting water supply systems is intact or not and whether the system functions are intact or not.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an automatic diagnosis system of a building fire-fighting water supply system, which can realize automatic diagnosis of the building fire-fighting water supply system based on the structure of the system.
In order to achieve the purpose, the invention adopts the following technical scheme that:
an automatic diagnostic system for a building fire water supply system, comprising:
the liquid level sensor is arranged on the fire-fighting water tank and is used for collecting the liquid level of the fire-fighting water tank;
the vibration sensor is arranged on the fire pump and used for acquiring vibration data of the fire pump;
the valve monitor, the valve monitor is arranged in monitoring the on-off state of each valve in the building fire control water supply system, includes: the on-off state of a signal valve on each layer of branch pipeline of the building;
the pressure sensors are respectively arranged on the branch pipelines and the main pipeline of each layer of the building and are respectively used for collecting the water pressure in the branch pipelines and the main pipeline of each layer of the building;
the flow sensors are respectively arranged on the branch pipelines of each layer of the building and are respectively used for collecting the flow velocity of water flow in the branch pipelines of each layer of the building;
the tail end water testing devices are respectively arranged on the branch pipelines of each layer of the building;
the remote control terminal is respectively in communication connection with the liquid level sensor, the vibration sensor, the valve monitor, the pressure sensor, the flow sensor and the tail end water testing device;
the remote control terminal is used for controlling the opening and closing of the tail end water testing device, receiving data collected by the liquid level sensor, the vibration sensor, the valve monitor, the pressure sensor and the flow sensor respectively, and automatically diagnosing the building fire water supply system according to the received data.
The invention also provides an automatic diagnosis method of the building fire water supply system, the remote control terminal automatically diagnoses the hydrostatic pressure state of the branch pipeline, and the method comprises the following steps:
s11, when the tail end water testing device is closed, the remote control terminal respectively acquires the actual hydrostatic pressure value of the tail end of each layer of branch pipeline through the pressure sensor arranged on each layer of branch pipeline, and a pipe network actual hydrostatic pressure set D is established, wherein D is [ D ═ D [ m |m＝1,2,…M]，d m The actual hydrostatic pressure value of the branch pipeline of the mth layer of the building is obtained;
s12, the remote control terminal calculates the theoretical hydrostatic pressure value of each layer of branch pipeline according to the height of each layer of branch pipeline relative to the ground, and a pipe network theoretical hydrostatic pressure set D ', D ═ D ' is obtained ' m |m＝1,2,…M]，d′ m The theoretical hydrostatic pressure value of the mth layer branch pipeline of the building is obtained;
d′ m ＝9.8×h m ，h m the height of the branch pipeline at the mth floor of the building relative to the ground is 1,2, … M;
s13, comparing the actual hydrostatic pressure set D of the pipe network with the theoretical hydrostatic pressure set D' of the pipe network by the remote control terminal, and if D m ≥d′ m If so, the hydrostatic pressure of the branch pipeline of the mth layer meets the requirement; if d is m ＜d′ m If the hydrostatic pressure of the mth layer branch pipeline is not qualified, the remote control terminal aims at the mth layer branch pipelineAnd early warning information is sent out when the hydrostatic pressure of the pipeline is insufficient.
Further, the remote control terminal automatically diagnoses whether the fire pump is normal or not, and the method comprises the following steps:
s21, the remote control terminal acquires actual vibration data V of the fire pump through a vibration sensor arranged on the fire pump; the vibration data refers to the amplitude data of the vibration of the fire pump under a certain frequency;
s22, pre-storing sample vibration data V' of the fire pump in the remote control terminal when the fire pump normally operates at the frequency; comparing the actual vibration data V of the fire pump with the sample vibration data V ', and if V ' -delta V is less than or equal to V and less than or equal to V ' + delta V, indicating that the vibration state of the fire pump is normal; otherwise, the vibration state of the fire pump is abnormal, and the remote control terminal sends out early warning information aiming at the abnormal fire pump;
Δ V is the set fluctuation range.
Further, the remote control terminal automatically diagnoses whether the water drainage at the tail end of the branch pipeline is normal or not, and the method comprises the following steps:
s31, the remote control terminal obtains the liquid level value b of the fire water tank through the liquid level sensor arranged on the fire water tank 1 (ii) a The height of the bottom of the fire water tank relative to the ground is h b1 ；
S32, the remote control terminal sequentially starts the tail end water testing devices on each layer of branch pipelines, and tail end water drainage is carried out on each layer of branch pipelines;
the building comprises M floors, and the M-th floor branch pipeline of the building is the highest floor branch pipeline of the building;
s33, when the fire pump is not started, the remote control terminal obtains the flow velocity value f 'of water flow in the highest layer branch pipeline, namely the Mth layer branch pipeline when the fire pump is not started through the flow sensor arranged on the highest layer branch pipeline, namely the Mth layer branch pipeline' M ；
The remote control terminal is according to the liquid level value b of the fire water tank 1 Height h of bottom of fire water tank relative to ground b1 The height h of the M layer of branch pipelines relative to the ground M And according to the flow velocity value f 'of water flow in the M layer branch pipeline when the fire pump is not started' M Calculating the threshold value Ts, Ts ═ b of unit pressure and flow rate when the tail end of the branch pipeline discharges water 1 +h b1 -h M )×9.8/f′ M ；
S34, after the fire pump is started, the remote control terminal respectively obtains the on-off state of the signal valve on each layer of branch pipeline through the valve monitor, and a valve state set C is established, wherein C is [ C ═ C [ [ C ] m |m＝1,2,…M]，c m Indicating the on-off state of the signal valve on the mth layer branch pipe, c m Is 0 or 1, c m 0 represents that a signal valve on the mth layer branch pipeline is in a closed state; c. C m 1 represents that a signal valve on the mth layer branch pipeline is in an open state;
s35, the remote control terminal respectively obtains the dynamic water pressure value at the tail end of each layer of branch pipeline through the pressure sensor arranged on each layer of branch pipeline, and a pipe network dynamic water pressure set E is established, wherein E is [ E ═ E m |m＝1,2,…M]，e m The dynamic water pressure value of the mth layer branch pipeline of the building is obtained;
s36, the remote control terminal respectively obtains the flow velocity value of water flow in each layer of branch pipeline through the flow sensor arranged on each layer of branch pipeline, and a pipe network flow velocity set F is established, wherein F is [ F ═ F [ [ F ] m |m＝1,2,…M]，f m The flow velocity value of the water flow in the mth layer branch pipeline of the building is obtained;
s37, the remote control terminal calculates the unit pressure flow rate when the tail end of each layer of branch pipeline drains water according to the vibration state of the fire pump, the valve state set C, the pipe network dynamic water pressure set E and the pipe network flow rate set F;
wherein, the unit pressure flow rate s when the m-th layer branch pipe end of the building discharges water m Comprises the following steps:
V Z indicating the vibration state of the fire pump, V Z 1 indicates that the vibration state of the fire pump is normal, V Z 0 represents that the vibration state of the fire pump is normal;
unit pressure flow rate s if water is discharged from the end of the mth layer branch pipe m Greater than the end of branch pipeThreshold value Ts of flow rate per unit pressure at end-discharge, i.e. s m If Ts is greater, the water drainage at the end of the mth layer branch pipeline is normal; otherwise, indicating that the water discharge at the tail end of the mth layer branch pipeline is abnormal, and sending early warning information by the remote control terminal aiming at the water discharge abnormality at the tail end of the mth layer branch pipeline.
Further, the manner of determining the vibration state of the fire pump is as follows:
the remote control terminal acquires actual vibration data V of the fire pump through a vibration sensor arranged on the fire pump; the vibration data refers to amplitude data of vibration of the fire pump under a certain frequency;
the remote control terminal is pre-stored with sample vibration data V' of the fire pump in normal operation under the frequency; comparing the actual vibration data V of the fire pump with the sample vibration data V ', if V ' -delta V is less than or equal to V and less than or equal to V ' + delta V, the vibration state of the fire pump is normal, namely V Z 1 is ═ 1; otherwise, the vibration state of the fire pump is abnormal, namely V Z 0; Δ V is the set fluctuation range.
Further, the remote control terminal automatically diagnoses whether the water flow indicator is normal or not, and the method comprises the following steps:
s41, the remote control terminal respectively obtains the flow velocity value of water flow in each layer of branch pipeline through the flow sensor arranged on each layer of branch pipeline, and a pipe network flow velocity set F is established, wherein F is [ F ═ F [ [ F ] m |m＝1,2,…M]，f m The flow velocity value of the water flow in the mth layer branch pipeline of the building is obtained;
s42, the remote control terminal compares the flow rate of the water flow in each layer of branch pipeline with the opening flow rate required by the water flow indicator on each layer of branch pipeline according to the pipe network flow rate set F, and if the flow rate of the water flow in the mth layer of branch pipeline is F m If the opening flow speed is larger than the opening flow speed required by the water flow indicator on the mth layer of branch pipeline, the water flow indicator on the mth layer of branch pipeline is normal; otherwise, the water flow indicator on the mth layer branch pipeline is abnormal, and the remote control terminal sends out early warning information aiming at the water flow indicator on the mth layer branch pipeline.
Further, the remote control terminal automatically diagnoses whether the alarm valve is normal or not, and the method comprises the following steps:
s51, the remote control terminal further obtains a dynamic water pressure value e in the main pipeline through a pressure sensor arranged on the main pipeline;
s52, the remote control terminal compares the dynamic water pressure value e in the main pipeline with the opening pressure of the alarm valve, and if the dynamic water pressure value e in the main pipeline is greater than the opening pressure of the alarm valve, the alarm valve is normal; otherwise, the alarm valve is abnormal, and the remote control terminal sends out early warning information aiming at the abnormal alarm valve.
The invention has the advantages that:
(1) according to the invention, through the liquid level sensor arranged on the fire water tank, the vibration sensor arranged on the fire pump, the valve monitor, the pressure sensors respectively arranged on each layer of branch pipeline and the main pipeline of the building and the flow sensor respectively arranged on each layer of branch pipeline of the building, various data in the fire water supply system of the building are obtained, and the comprehensive automatic diagnosis of the fire water supply system of the building is realized.
(2) According to the invention, the actual hydrostatic pressure value of the tail end of each layer of branch pipeline is obtained through the pressure sensor of each layer of branch pipeline, the theoretical hydrostatic pressure value of each layer of branch pipeline is calculated, and the actual hydrostatic pressure value and the theoretical hydrostatic pressure value are compared, so that whether the hydrostatic pressure of the branch pipeline meets the requirement or not is judged, the problem that water cannot be discharged from the branch pipeline during fire extinguishing due to the fact that the hydrostatic pressure value of the branch pipeline does not meet the requirement is avoided, and the fire extinguishing capability and the fire extinguishing effect of the system are ensured.
(3) According to the invention, the actual vibration data of the fire pump is obtained through the vibration sensor, and the actual vibration data of the fire pump is compared with the prestored sample vibration data in normal operation, so that whether the vibration state of the fire pump is normal or not is judged, and the automatic diagnosis of the fire pump is realized.
(4) According to the invention, the threshold value of the unit pressure flow rate when the tail end of the branch pipeline discharges water is calculated according to the liquid level value of the fire water tank, the height of the bottom of the fire water tank relative to the ground, the height of the highest branch pipeline of the building relative to the ground and the flow rate value of the water flow in the highest branch pipeline of the building when the fire pump is not started, the unit pressure flow rate when the tail end of the branch pipeline discharges water is judged by utilizing the threshold value, whether the tail end of the branch pipeline discharges water is normal is judged, and thus, whether the system function is intact is automatically diagnosed.
(5) The method calculates the unit pressure flow rate when the tail end of the branch pipeline discharges water, comprehensively considers the vibration state of the fire pump, the opening and closing state of the signal valve on the branch pipeline and the flow rate of water flow in the branch pipeline when judging whether the tail end of the branch pipeline discharges water normally or not, and has higher judgment accuracy.
(6) The flow sensor on each layer of branch pipeline is used for acquiring the flow velocity value of water flow in each layer of branch pipeline, and the flow velocity value of the water flow in each layer of branch pipeline is compared with the starting flow velocity required by the water flow indicator on each layer of branch pipeline, so that whether the water flow indicator on each layer of branch pipeline is normal or not is judged, and the automatic diagnosis of the water flow indicator is realized.
(7) According to the invention, the dynamic water pressure value in the main pipeline is obtained through the pressure sensor on the main pipeline, and the dynamic water pressure value in the main pipeline is compared with the opening pressure of the alarm valve, so that whether the alarm valve is normal or not is judged, and the automatic diagnosis of the alarm valve is realized.
(8) In the invention, if the hydrostatic pressure value of each layer of branch pipeline of the building meets the requirement and the tail end water testing device is opened, the alarm valve, the water flow indicator and the fire pump are all normal, and the tail end water discharge of each layer of branch pipeline of the building is also normal, the fire fighting water supply system of the building is normal; otherwise, the abnormality of the fire water supply system of the building is indicated.
Drawings
FIG. 1 is a schematic diagram of a fire water system for a building.
Fig. 2 is a schematic diagram of an automatic diagnosis system of a fire water supply system of a building according to the present invention.
Fig. 3 is an architecture diagram of an automatic diagnostic system of a fire water supply system for a building according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a fire water supply system for a building in the prior art includes: the fire-fighting water tank is connected with the fire-fighting water tank through a pipeline;
the fire-fighting water tank is positioned at the top of the building and is connected with a main pipeline of the building through a fire-fighting water tank output pipeline, the main pipeline of the building is respectively connected with each layer of branch pipeline of the building, and the fire-fighting water tank conveys water to each layer of branch pipeline through the main pipeline;
the fire pool is positioned on the ground or at the bottom of the ground and is connected with a main pipeline of the building through a fire pool output pipeline, the main pipeline of the building is respectively connected with each layer of branch pipeline of the building, and the fire pool conveys water to each layer of branch pipeline through the main pipeline; the fire pump is arranged on the output pipeline of the fire pool and used for providing power for the fire pool to convey water sources to each layer of branch pipeline;
the valve includes: the signal valve is arranged on a branch pipeline of each layer of the building, the signal valve is arranged on a main pipeline of the building, and the gate valve is arranged on an output pipeline of the fire pool;
the water flow indicator is arranged on each layer of branch pipeline of the building and used for indicating the flow speed of water flow in each layer of branch pipeline;
the alarm valve is arranged on a main pipeline of a building and used for switching on and switching off a water source in the main pipeline.
As shown in fig. 2 and 3, an automatic diagnosis system for a fire water supply system of a building according to the present invention includes:
a remote control terminal 1;
the liquid level sensors 2 are respectively arranged on the fire pool and the fire water tank and are respectively used for acquiring the liquid level of the fire pool and the liquid level of the fire water tank;
the vibration sensor 3 is arranged on the fire pump and is used for acquiring vibration data of the fire pump;
the pressure sensors 5 are respectively arranged on the branch pipelines and the main pipeline of each layer of the building and are respectively used for collecting the water pressure in the branch pipelines and the main pipeline of each layer;
the flow sensors 6 are respectively arranged on the branch pipelines of each layer of the building and are respectively used for collecting the flow velocity of water flow in the branch pipelines of each layer of the building;
the tail end water testing devices 7 are respectively arranged on the branch pipelines of each layer of the building;
the liquid level sensor 2, the vibration sensor 3, the valve monitor 4, the pressure sensor 5, the flow sensor 6 and the tail end water testing device 7 have wireless communication functions and are in wireless communication connection with the remote control terminal 1 respectively;
the remote control terminal 1 is used for controlling the opening and closing of the tail end water testing device 7;
the remote control terminal 1 respectively receives data collected by the liquid level sensor 2, the vibration sensor 3, the valve monitor 4, the pressure sensor 5 and the flow sensor 6, and automatically diagnoses the fire water supply system of the building according to the received data.
An automatic diagnosis of a building fire service water supply system, comprising: the automatic diagnosis of the relevant parameters of the fire water supply system of the building and the automatic diagnosis of whether the fire-fighting facilities are in good condition and whether the system function is in good condition.
The invention discloses an automatic diagnosis method of a building fire-fighting water supply system, which comprises the following steps:
s1, remote control terminal 1 respectively acquires the liquid level value of fire-fighting water tank and the liquid level value of fire-fighting water tank through liquid level sensor 2 arranged on fire-fighting water tank and liquid level sensor 2 arranged on fire-fighting water tank, and sets up liquid level set B, B ═ B 1 ,b 2 ]，b 1 For the level value of the fire-fighting water tank, b 2 The value is the liquid level value of the fire pool; wherein, the fire water tankIs arranged at the top of the building, and the height of the bottom of the fire water tank relative to the place is h b1 ；
S2, the remote control terminal 1 obtains the actual hydrostatic pressure value at the end of each layer of branch pipe line through the pressure sensor 5 arranged at each layer of branch pipe line of the building, and establishes the actual hydrostatic pressure set D of the pipe network, where D is ═ D m |m＝1,2,…M]，d m The method comprises the following steps that M floors are shared by buildings for the actual hydrostatic pressure value of the mth floor branch pipeline of the building, wherein the mth floor branch pipeline of the building is the highest floor branch pipeline of the building;
s3, the remote control terminal 1 calculates a theoretical hydrostatic pressure value of each layer of branch pipe of the building according to the height of each layer of branch pipe of the building relative to the ground, and obtains a pipe network theoretical hydrostatic pressure set D ', D ═ D' m |m＝1,2,…M]，d′ m The theoretical hydrostatic pressure value of the mth layer branch pipeline of the building is obtained;
d′ m ＝9.8×h m ，h m the height of the branch pipeline at the mth floor of the building relative to the ground is 1,2, … M;
s4, the remote control terminal 1 compares the actual hydrostatic pressure set D of the pipe network with the theoretical hydrostatic pressure set D' of the pipe network, and if D m ≥d′ m If so, the hydrostatic pressure value of the branch pipeline at the mth layer of the building meets the requirement; if d is m ＜d′ m And if the hydrostatic pressure value of the mth layer branch pipeline of the building does not meet the requirement, the remote control terminal 1 sends out early warning information aiming at the hydrostatic pressure shortage of the mth layer branch pipeline.
The hydrostatic pressure value of a certain layer of branch pipeline of the building is not in line with the requirement, and the branch pipeline can not discharge water when fire is extinguished, so that the fire extinguishing capability is not sufficient, and the fire extinguishing effect can not be achieved.
S5, the remote control terminal 1 opens the tail end water testing device on each layer of branch pipeline of the building in sequence, and discharges water from the tail end on each layer of branch pipeline to enable water in the pipe network to flow;
s6, when the fire pump is not started, namely water in the fire water tank is used as a water source, the remote control terminal 1 obtains water flow in the highest layer of the building, namely the Mth layer branch pipeline when the fire pump is not started through the flow sensor 6 arranged on the highest layer branch pipeline of the building, namely the Mth layer branch pipelineFlow rate value f' M ；
The remote control terminal 1 is according to the liquid level value b of the fire water tank 1 Height h of bottom of fire water tank relative to ground b1 The height h of the M layer branch pipeline of the building relative to the ground M And according to the flow velocity value f 'of water flow in the M layer branch pipeline of the building when the fire pump is not started' M Calculating the threshold value Ts, Ts ═ b of unit pressure and flow rate when the tail end of the branch pipeline discharges water 1 +h b1 -h M )×9.8/f′ M ；
S7, after the fire pump is started, namely, water in the fire pool is adopted as a water source, the remote control terminal 1 obtains the on-off state of a signal valve on each layer of branch pipeline of the building through the valve monitor 4, and a valve state set C is established, wherein C is [ C ═ C m |m＝1,2,…M]，c m Is 0 or 1, is used for representing the switch state of the mth signal valve, namely the signal valve on the mth floor branch pipeline of the building, c m 0 means that the mth signal valve is in a closed state; c. C m 1 represents that the mth signal valve is in an open state;
s8, the remote control terminal 1 obtains the dynamic water pressure value at the end of each layer of branch pipe through the pressure sensor 5 installed on each layer of branch pipe of the building, and establishes a pipe network dynamic water pressure set E, E ═ E m |m＝1,2,…M]，e m The dynamic water pressure value of the mth layer branch pipeline of the building is obtained;
s9, the remote control terminal 1 obtains the flow velocity value of the water flow in each layer of branch pipe through the flow sensor 6 arranged on each layer of branch pipe of the building, and establishes a pipe network flow velocity set F, where F is ═ F m |m＝1,2,…M]，f m The flow velocity value of the water flow in the mth layer branch pipeline of the building is obtained;
s10, the remote control terminal 1 acquires actual vibration data V of the fire pump through a vibration sensor 3 arranged on the fire pump; the vibration data refers to the amplitude data of the vibration of the fire pump under a certain frequency; in the embodiment, amplitude data of the fire pump vibrating at the frequency of 10KHz is obtained;
s11, pre-storing sample vibration data V' of the fire pump in the remote control terminal 1 when the fire pump normally operates at the frequency; comparing the actual vibration data V of the fire pump with the sample vibration data V ', and if V ' delta V is less than or equal to V ' + delta V, indicating that the vibration state of the fire pump is normal; otherwise, the vibration state of the fire pump is abnormal, and the remote control terminal 1 sends out early warning information aiming at the abnormal fire pump; Δ V is a set fluctuation range;
in this embodiment, the fire pump vibrates at a frequency of 10KHz, so when the actual vibration data V and the sample vibration data V ' are compared, the actual vibration data V and the sample vibration data V ' can be divided into 1 ten thousand parts, each 1 part corresponds to one time point, the actual amplitude at each time point in the actual vibration data V is compared with the sample amplitude at the corresponding time point in the sample vibration data V ', if at the tth time point, V ' (t) - Δ V ≦ V (t) ≦ V ' (t) + Δ V, it indicates that the actual amplitude V (t) at the tth time point is within a normal fluctuation range, and if at each time point, the actual amplitude is within the normal range, it indicates that the vibration state of the fire pump is normal;
v (t) represents an actual amplitude at a t-th time point in the actual vibration data V, and V '(t) represents a sample amplitude at a t-th time point in the sample vibration data V'; the value of delta v is 1mm, and is a set fluctuation threshold value;
by V Z Characterisation of the vibration State of a fire Pump, V Z 1 indicates that the vibration state of the fire pump is normal, V Z 0 represents that the vibration state of the fire pump is normal;
s12, the remote control terminal 1 calculates the first time of the building according to the vibration state of the fire pump, the valve state set C, the pipe network dynamic water pressure set E and the pipe network flow velocity set F m Unit pressure flow rate s at the time of water discharge at the end of layer branch pipe m ：
Unit pressure flow rate s if water is discharged from the end of the mth layer branch pipe of the building m If the water discharge rate is larger than the threshold Ts of the unit pressure flow rate when the water is discharged from the tail end of the branch pipeline, the water discharge at the tail end of the branch pipeline of the mth layer of the building is normal; otherwise, indicating constructionWhen the water is abnormally discharged from the tail end of the mth layer branch pipe, the remote control terminal 1 sends out early warning information aiming at the water discharge abnormality at the tail end of the mth layer branch pipe;
s13, the remote control terminal 1 compares the flow velocity value of the water flow in each layer of branch pipeline of the building with the opening flow velocity required by the water flow indicator on each layer of branch pipeline of the building according to the pipe network flow velocity set F, and if the flow velocity value of the water flow in the mth layer of branch pipeline of the building is greater than the opening flow velocity required by the water flow indicator on the mth layer of branch pipeline, the water flow indicator on the mth layer of branch pipeline is normal; otherwise, the mth layer water flow indicator is abnormal, and the remote control terminal 1 sends out early warning information aiming at the abnormality of the mth layer water flow indicator;
s14, the remote control terminal 1 further obtains the dynamic water pressure value e in the main pipeline through the pressure sensor 5 arranged on the main pipeline of the building; the remote control terminal 1 compares the dynamic water pressure value e in the main pipeline with the opening pressure of the alarm valve, and if the dynamic water pressure value e in the main pipeline is greater than the opening pressure of the alarm valve, the alarm valve is normal; otherwise, it indicates that the alarm valve is abnormal, and the remote control terminal 1 sends out early warning information for the abnormal alarm valve.
S15, if the hydrostatic pressure value of each layer of branch pipeline of the building meets the requirement, and the tail end water testing device is opened, the alarm valve, the water flow indicator and the fire pump are all normal, and the tail end water discharge of each layer of branch pipeline of the building is also normal, the fire fighting water supply system of the building is normal; otherwise, the abnormality of the fire water supply system of the building is indicated.
The various flow charts in the present document do not necessarily have a sequential order of execution unless specifically stated otherwise. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An automatic diagnosis method of an automatic diagnosis system of a building fire water supply system is characterized in that,
the automatic diagnosis system includes:
the liquid level sensor (2) is arranged on the fire-fighting water tank and is used for collecting the liquid level of the fire-fighting water tank;
the vibration sensor (3) is arranged on the fire pump and used for acquiring vibration data of the fire pump;
valve monitor (4), valve monitor (4) are arranged in monitoring the on-off state of each valve in the building fire water supply system, include: the on-off state of a signal valve on each layer of branch pipeline of the building;
the pressure sensors (5) are respectively arranged on the branch pipelines and the main pipeline of each layer of the building and are respectively used for collecting the water pressure in the branch pipelines and the main pipeline of each layer of the building;
the flow sensors (6) are respectively arranged on the branch pipelines of each layer of the building and are respectively used for collecting the flow velocity of water flow in the branch pipelines of each layer of the building;
the tail end water testing devices (7) are respectively arranged on the branch pipelines of each layer of the building;
the remote control terminal (1) is respectively in communication connection with the liquid level sensor (2), the vibration sensor (3), the valve monitor (4), the pressure sensor (5), the flow sensor (6) and the tail end water testing device (7);
the remote control terminal (1) is used for controlling the opening and closing of the tail end water testing device (7), respectively receiving data collected by the liquid level sensor (2), the vibration sensor (3), the valve monitor (4), the pressure sensor (5) and the flow sensor (6), and automatically diagnosing the fire-fighting water supply system of the building according to the received data;
in the automatic diagnosis method, the remote control terminal (1) automatically diagnoses whether the water discharge at the tail end of the branch pipeline is normal or not, and the method comprises the following steps:
s31, the remote control terminal (1) acquires the liquid level value b of the fire water tank through the liquid level sensor (2) arranged on the fire water tank 1 (ii) a The height of the bottom of the fire water tank relative to the ground is h b1 ；
S32, the remote control terminal (1) sequentially starts the tail end water testing devices (7) on each layer of branch pipelines, and tail end water drainage is carried out on each layer of branch pipelines;
the building comprises M floors, and the M-th floor branch pipeline of the building is the highest floor branch pipeline of the building;
s33, when the fire pump is not started, the remote control terminal (1) obtains the flow velocity value f 'of the water flow in the M-th layer branch pipeline which is the highest layer when the fire pump is not started through the flow sensor (6) arranged on the M-th layer branch pipeline which is the highest layer branch pipeline' M ；
The remote control terminal (1) is based on the liquid level value b of the fire water tank 1 Height h of bottom of fire water tank relative to ground b1 The height h of the M layer of branch pipelines relative to the ground M And according to the flow velocity value f 'of water flow in the M layer branch pipeline when the fire pump is not started' M Calculating a threshold value Ts, Ts ═ f 'of unit pressure flow velocity when the tail end of the branch pipeline discharges water' M /[(b 1 +h b1 -h M )×9.8]；
S34, after the fire pump is started, the remote control terminal (1) respectively obtains the on-off state of the signal valve on each layer of branch pipeline through the valve monitor (4), and a valve state set C is established, wherein C is [ C ] m |m＝1,2,…M]，c m Indicating the on-off state of the signal valve on the mth layer branch pipe, c m Is 0 or 1, c m 0 represents that the signal valve on the mth layer branch pipeline is in a closed state; c. C m 1 represents that a signal valve on the mth layer branch pipeline is in an open state;
s35, the remote control terminal (1) respectively obtains the dynamic water pressure value at the tail end of each layer of branch pipeline through the pressure sensor (5) arranged on each layer of branch pipeline, and a pipe network dynamic water pressure set E is established, wherein E is [ E ═ E [ ] m |m＝1,2,…M]，e m The dynamic water pressure value of the mth layer branch pipeline of the building is obtained;
s36, the remote control terminal (1) respectively obtains the flow velocity value of water flow in each layer of branch pipeline through the flow sensor (6) arranged on each layer of branch pipeline, and a pipe network flow velocity set F is established, wherein F is ═ F m |m＝1,2,…M]，f m The flow velocity value of the water flow in the mth layer branch pipeline of the building is obtained;
s37, calculating the unit pressure flow rate of each layer of branch pipeline at the tail end of each layer of branch pipeline when water is discharged according to the vibration state of the fire pump, the valve state set C, the pipe network dynamic water pressure set E and the pipe network flow rate set F by the remote control terminal (1);
wherein, the unit pressure flow rate s when the m-th layer branch pipe end of the building discharges water m Comprises the following steps:
V Z indicating the vibration state of the fire pump, V Z 1 indicates that the vibration state of the fire pump is normal, V Z 0 represents that the vibration state of the fire pump is abnormal;
unit pressure flow rate s if water is discharged from the end of the mth layer branch pipe m Is greater than the threshold value Ts, i.e. s, of unit pressure and flow rate when the tail end of the branch pipeline discharges water m If Ts is greater, the water drainage at the end of the mth layer branch pipeline is normal; otherwise, indicating that the water discharge at the tail end of the mth layer branch pipeline is abnormal, and sending early warning information by the remote control terminal (1) aiming at the water discharge abnormality at the tail end of the mth layer branch pipeline.
2. The automatic diagnosis method of the automatic diagnosis system of the fire water supply system of the building as claimed in claim 1, wherein the remote control terminal (1) automatically diagnoses the hydrostatic pressure state of the branch pipeline, comprising the following steps:
s11, when the tail end water testing device (7) is closed, the remote control terminal (1) respectively obtains the actual hydrostatic pressure value of the tail end of each layer of branch pipeline through the pressure sensor (5) arranged on each layer of branch pipeline, and a pipe network actual hydrostatic pressure set D is established, wherein D is [ D ═ D [ [ D ] m |m＝1,2,…M]，d m The actual hydrostatic pressure value of the branch pipeline of the mth layer of the building is obtained;
s12, the remote control terminal (1) calculates the theoretical hydrostatic pressure value of each layer of branch pipeline according to the height of each layer of branch pipeline relative to the ground to obtain a pipe network theoretical hydrostatic pressure set D ', D ═ D' m |m＝1,2,…M]，d′ m The theoretical hydrostatic pressure value of the mth layer branch pipeline of the building is obtained;
d′ m ＝9.8×h m ，h m the height of the branch pipeline at the mth floor of the building relative to the ground is 1,2, … M;
s13, comparing the actual hydrostatic pressure set D of the pipe network with the theoretical hydrostatic pressure set D' of the pipe network by the remote control terminal (1), and if D m ≥d′ m If so, the hydrostatic pressure of the branch pipeline of the mth layer meets the requirement; if d is m ＜d′ m And if the hydrostatic pressure of the mth layer branch pipeline does not meet the requirement, the remote control terminal (1) sends out early warning information aiming at the hydrostatic pressure shortage of the mth layer branch pipeline.
3. The automatic diagnosis method of the automatic diagnosis system of the fire water supply system for the building as claimed in claim 1, wherein the remote control terminal (1) automatically diagnoses whether the fire pump is normal or not, comprising the steps of:
s21, the remote control terminal (1) acquires actual vibration data V of the fire pump through a vibration sensor (3) arranged on the fire pump; the vibration data refers to the amplitude data of the vibration of the fire pump under a certain frequency;
s22, sample vibration data V' of the fire pump in normal operation under the frequency is stored in the remote control terminal (1) in advance; comparing the actual vibration data V of the fire pump with the sample vibration data V ', and if V ' -delta V is less than or equal to V and less than or equal to V ' + delta V, indicating that the vibration state of the fire pump is normal; otherwise, the vibration state of the fire pump is abnormal, and the remote control terminal (1) sends out early warning information aiming at the abnormal fire pump;
Δ V is the set fluctuation range.
4. The automatic diagnosis method for the automatic diagnosis system of the fire fighting water supply system for the building according to claim 1, wherein the vibration state of the fire pump is determined as follows:
the remote control terminal (1) acquires actual vibration data V of the fire pump through a vibration sensor (3) arranged on the fire pump; the vibration data refers to the amplitude data of the vibration of the fire pump under a certain frequency;
the remote control terminal (1) is pre-stored with the frequency of the fire pumpSample vibration data V' during normal operation; comparing the actual vibration data V of the fire pump with the sample vibration data V ', if V ' -delta V is less than or equal to V and less than or equal to V ' + delta V, the vibration state of the fire pump is normal, namely V Z 1 is ═ 1; otherwise, the vibration state of the fire pump is abnormal, namely V Z 0; Δ V is the set fluctuation range.
5. The automatic diagnosis method of the automatic diagnosis system of the fire water supply system for the building as claimed in claim 1, wherein the remote control terminal (1) automatically diagnoses whether the water flow indicator is normal or not, comprising the steps of:
s41, the remote control terminal (1) respectively obtains the flow velocity value of water flow in each layer of branch pipeline through the flow sensor (6) arranged on each layer of branch pipeline, and a pipe network flow velocity set F is established, wherein F is ═ F m |m＝1,2,…M]，f m The flow velocity value of the water flow in the mth layer branch pipeline of the building is obtained;
s42, the remote control terminal (1) compares the flow velocity value of the water flow in each layer of branch pipeline with the opening flow velocity required by the water flow indicator on each layer of branch pipeline according to the pipe network flow velocity set F, and if the flow velocity value F of the water flow in the mth layer of branch pipeline m If the opening flow speed is larger than the opening flow speed required by the water flow indicator on the mth layer of branch pipeline, the water flow indicator on the mth layer of branch pipeline is normal; otherwise, the water flow indicator on the mth layer of branch pipeline is abnormal, and the remote control terminal (1) sends out early warning information aiming at the water flow indicator on the mth layer of branch pipeline.
6. The automatic diagnosis method of the automatic diagnosis system of the fire water supply system for the building as claimed in claim 1, wherein the remote control terminal (1) automatically diagnoses whether the alarm valve is normal or not, comprising the steps of:
s51, the remote control terminal (1) further obtains a dynamic water pressure value e in the main pipeline through a pressure sensor (5) arranged on the main pipeline;
s52, the remote control terminal (1) compares the dynamic water pressure value e in the main pipeline with the opening pressure of the alarm valve, and if the dynamic water pressure value e in the main pipeline is greater than the opening pressure of the alarm valve, the alarm valve is normal; otherwise, the alarm valve is abnormal, and the remote control terminal (1) sends out early warning information aiming at the abnormal alarm valve.
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| US7758315B2 (en) * | 2005-09-15 | 2010-07-20 | Ansul Canada Limited | Pump controller for controlling pumps connected in tandem |
| CN102755709A (en) * | 2012-07-12 | 2012-10-31 | 江苏武进建筑安装工程有限公司 | Debugging method of hotel fire fighting system |
| CN105381565B (en) * | 2015-12-03 | 2018-10-12 | 重庆和航科技股份有限公司 | Fire supply system intelligent inspection system and method |
| DE102018119776A1 (en) * | 2018-08-14 | 2020-02-20 | Minimax Viking Research & Development Gmbh | Water extinguishing system and associated method for checking the water extinguishing system |
| CN110772746A (en) * | 2019-08-14 | 2020-02-11 | 中建四局安装工程有限公司 | Fire water monitoring system |
| DE102019135815B3 (en) * | 2019-12-27 | 2020-12-17 | Minimax Viking Research & Development Gmbh | Water extinguishing system, control device, hazard alarm center, method for controlling a pump test run in a water extinguishing system and use of a fluid diversion in a water extinguishing system for a pump test run of a pump |
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