CN111595534B - Real-time detection device for damage of building drainage water seal and use method thereof - Google Patents
Real-time detection device for damage of building drainage water seal and use method thereof Download PDFInfo
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Abstract
A real-time detection device for the damage of a drainage water seal of a building and a using method thereof relate to the technical field of detection and analysis of the drainage water seal of the building. The invention aims to solve the problems that the existing building drainage system needs manpower to enter a room to finish water seal inspection by means of manual on-site visual inspection or sniffing, and the water seal failure is difficult to find in time. The method comprises the following steps: by extracting the pressure fluctuation curve Xn +1 in the high scanning rate data recording function module and the pressure fluctuation curve X in the database0Xn are compared separately, at pressure fluctuation curve X0Finding a pressure fluctuation curve which is most consistent with the pressure fluctuation curve Xn +1 pressure fluctuation trend in Xn, wherein the corresponding simulation working condition is the water seal actual condition of the drainage system of the building to be tested, and obtaining the conclusion that the water seal is complete or the specific water seal failure position. The invention can obtain a real-time detection device for the damage of the drainage water seal of the building and a using method thereof.
Description
Technical Field
The invention relates to the technical field of detection and analysis of a building drainage water seal, in particular to a real-time detection device for damage of the building drainage water seal and a using method thereof.
Background
The drainage system of the building has the main functions of quickly removing the utensil emissions and simultaneously ensuring that the dirty gas in the sewage pipe network cannot enter the indoor space to pollute the environment. The main protection measure is the water seal in the trap. The water seal is a measure for resisting the change of air pressure in the drainage pipe by using hydrostatic pressure with a certain height and preventing air, bugs and the like in the drainage pipe from entering a room. The drainage system in the building in the urban water system circulation has no disinfection measures, so the water seal of the drainage system becomes the only defense line for isolating virus in the building.
The water seal is closely related to the daily life quality of residents and the indoor environment, the failure of the water seal can bring serious health risks, and a part of people can cause diseases because of environmental pollution caused by the damage of the water seal every year. Therefore, the water seal state can be timely mastered by detecting whether the water seal is invalid and the invalid position, and the method is very important for preventing the virus and odor from being transmitted by the drainage pipeline of the building to pollute the indoor environment.
At present, due to the reasons of product design defects, non-matching of sanitary ware selection and a drainage system, pressure fluctuation of the drainage system, improper use of users and the like, a water seal of the drainage system of a building is failed, and pollutants such as odor, viruses and the like of the drainage system of the building can not be isolated, so that the pollutants escape to pollute the environment and infect human beings. Therefore, the water seal failure needs to be judged quickly and accurately, the current water seal failure detection means mainly depends on manual field vision to look over or sniff, and the means has certain defects: a large amount of manpower is needed for indoor inspection, the inspection is inconvenient and the efficiency is low; the water seal failure can not be found in time, and the water seal failure of high-rise and large-volume complex buildings is particularly difficult to find.
Disclosure of Invention
The invention aims to solve the problems that the existing building drainage system needs manpower to enter a room to finish water seal inspection by means of manual on-site visual inspection or sniffing, and the water seal failure is difficult to find in time, and provides a real-time detection device for the building drainage water seal damage and a using method thereof.
The building drainage water seal damage real-time detection device comprises a sanitary ware, a trap, a drainage vertical pipe, a drainage branch pipe, clearing equipment, lifting equipment, a sewage local treatment structure and a top-extending vent pipe, wherein the sanitary ware is communicated with the drainage branch pipe through the trap, the drainage branch pipe is communicated with the drainage vertical pipe, water in the drainage vertical pipe is guided into the sewage local treatment structure through the lifting equipment, the top of the drainage vertical pipe is provided with the top-extending vent pipe, and the clearing equipment is arranged on the circumferential surface of the drainage vertical pipe; the real-time detection device comprises an intelligent pressure transient analysis management software system and a pressure transient detection and identification hardware system, wherein the intelligent pressure transient analysis management software system is provided with a high-scanning-rate data recording function module, an air hammer analysis function module, a data analysis and comparison function module and a database, the pressure transient detection and identification hardware system comprises a pressure transient signal generator and a water hammer monitoring pressure sensor, and the water hammer monitoring pressure sensor is respectively connected with the intelligent pressure transient analysis management software system and the pressure transient signal generator; the pressure transient signal generator is arranged on the top-extending vent pipe, and the water hammer monitoring pressure sensor is arranged on the drainage vertical pipe below the pressure transient signal generator.
The use method of the real-time detection device for the damage of the drainage water seal of the building is completed according to the following steps:
the method comprises the following steps: searching the length of each pipeline and the distance between each trap and a drainage vertical pipe in a drainage system construction drawing of a building to be detected, and measuring the distance between a pressure transient signal generator and a water hammer monitoring pressure sensor on the drainage vertical pipe;
step two: constructing an equal-proportion drainage system hydraulic model to be tested in an intelligent pressure transient analysis management software system by utilizing the lengths of all pipelines, the distance between each trap and a drainage vertical pipe, the distance between a pressure transient signal generator and a water hammer monitoring pressure sensor on the drainage vertical pipe in the step one and the construction drawing of the drainage system of the building to be tested;
step three: the following contents are simulated in the air hammer analysis functional module in the intelligent pressure transient analysis management software system:
1) under the closed working condition of all the traps, the transient pressure P1 is input into the top-extending vent pipe, the pipeline air hammer is calculated, and the pressure fluctuation curve X at the water hammer monitoring pressure sensor in the water seal intact state is obtained0；
2) Under a certain water seal failure condition, transient pressure P1 is input into the top-extending vent pipe, the pipeline air hammer when the water seal of each trap fails is calculated one by one, and a pressure fluctuation curve X at the water hammer monitoring pressure sensor in the water seal damage state is obtained1、 X2… Xn, n is the number of traps;
the simulation results of 1) and 2) in the third step are stored in a database of the intelligent pressure transient analysis management software system;
step four: triggering a pressure transient signal generator on a drainage system of a building to be tested to generate a transient pressure P2, ensuring that the pressure value of the transient pressure P2 is the same as that of the transient pressure P1 in the third step, detecting a negative reflection signal and reflection arrival time by a water hammer monitoring pressure sensor, remotely sending the negative reflection signal and the reflection arrival time to a high-scanning-rate data recording function module of an intelligent pressure transient analysis management software system, and storing the negative reflection signal and the reflection arrival time by the high-scanning-rate data recording function module to form a pressure fluctuation curve Xn + 1;
step five: through a data analysis and comparison functional module in an intelligent pressure transient analysis management software system, a pressure fluctuation curve Xn +1 in a high-scanning-rate data recording functional module and a pressure fluctuation curve X in a database are automatically extracted0Xn are compared separately, at pressure fluctuation curve X0And finding a pressure fluctuation curve which is most consistent with the pressure fluctuation curve Xn +1 pressure fluctuation trend in the Xn, wherein the corresponding simulation working condition is the water seal actual condition of the drainage system of the building to be detected, so that the conclusion that the water seal is complete or the concrete water seal failure position is obtained.
The invention has the beneficial effects that:
the invention relates to a real-time detection device for damage of a drainage water seal of a building, which is provided with an intelligent pressure transient analysis management software system and a pressure transient detection and identification hardware system, wherein the intelligent pressure transient analysis management software system comprises a high-scanning-rate data recording function module, an air hammer analysis function module, a data analysis and comparison function module and a database, the pressure transient detection and identification hardware system comprises a pressure transient signal generator and a water hammer monitoring pressure sensor, and can receive, record and analyze water hammer fluctuation monitored by the water hammer monitoring pressure sensor to form a pressure fluctuation curve, construct a hydraulic model and perform air hammer simulation, compare data and store a detection result (namely the intact water seal or a specific water seal failure position) as empirical data for subsequent water seal damage detection and judgment; pressure transient state detects discernment hardware systems and intelligent pressure transient state analysis management software system and combines together, can all connected trap water seal sealing state of short-term determination, in time detect the water seal and destroy and the destroyed water seal of remote positioning, solved current building drainage system and needed the manpower to go into the room and rely on artifical on-the-spot vision to look over or sniff and accomplish the problem that the water seal was examined, accomplish in time to discover the water seal inefficacy, improve work efficiency.
The intelligent pressure transient analysis management software system can be directly installed in a drainage system of a building to be tested, is convenient to operate, saves manpower and material resources, and improves working efficiency; because the water hammer wave speed is too fast, the ordinary pressure sensor can not monitor transient pressure fluctuation data, therefore, the accuracy of the real-time detection device for detecting the damage of the drainage water seal of the building can be improved by adopting the water hammer monitoring pressure sensor to replace the ordinary pressure sensor.
The invention can obtain a real-time detection device for the damage of the drainage water seal of the building and a using method thereof.
Drawings
FIG. 1 is a schematic structural diagram of a real-time detection device for detecting the destruction of a drainage seal of a building according to an embodiment;
FIG. 2 is a flow chart of a method for using the device for detecting the destruction of a drainage water seal of a building according to the second embodiment.
The intelligent pressure transient analysis management system comprises an intelligent pressure transient analysis management software system 1, a pressure transient signal generator 2, a water hammer monitoring pressure sensor 3, a top-extending vent pipe 4, a trap 5 and a drainage vertical pipe 6.
Detailed Description
The first embodiment is as follows: the building drainage water seal damage real-time detection device comprises a sanitary ware, a trap 5, a drainage vertical pipe 6, a drainage branch pipe, a clearing device, a lifting device, a sewage local treatment structure and a top-extending vent pipe 4, wherein the sanitary ware is communicated with the drainage branch pipe through the trap 5, the drainage branch pipe is communicated with the drainage vertical pipe 6, water in the drainage vertical pipe 6 is guided into the sewage local treatment structure through the lifting device, the top of the drainage vertical pipe 6 is provided with the top-extending vent pipe 4, and the circumferential surface of the drainage vertical pipe 6 is provided with the clearing device; the real-time detection device comprises an intelligent pressure transient analysis management software system 1 and a pressure transient detection and identification hardware system, wherein the intelligent pressure transient analysis management software system 1 is provided with a high scanning rate data recording function module, an air hammer analysis function module, a data analysis and comparison function module and a database, the pressure transient detection and identification hardware system comprises a pressure transient signal generator 2 and a water hammer monitoring pressure sensor 3, and the water hammer monitoring pressure sensor 3 is respectively connected with the intelligent pressure transient analysis management software system 1 and the pressure transient signal generator 2; the pressure transient signal generator 2 is arranged on the top-extending vent pipe 4, and the water hammer monitoring pressure sensor 3 is arranged on the drainage vertical pipe 6 below the pressure transient signal generator 2.
The intelligent pressure transient analysis management software system 1 in the embodiment is used for constructing a drainage system hydraulic model, simulating and storing an air hammer simulation result, recording, analyzing and comparing the monitored water hammer fluctuation and identifying a water seal failure position; this embodiment replaces ordinary pressure sensor with water hammer monitoring pressure sensor 3, because the water hammer wave speed is too fast, and transient pressure fluctuation data can not be monitored to ordinary pressure sensor, consequently adopts water hammer monitoring pressure sensor 3, can improve this embodiment building drainage water seal and destroy real-time detection device's rate of accuracy.
The second embodiment is as follows: the present embodiment differs from the present embodiment in that: the water hammer monitoring pressure sensor 3 is connected with the intelligent pressure transient analysis management software system 1 through a GPRS remote transmission communication function.
Other steps are the same as those in the first embodiment.
The third concrete implementation mode: the use method of the real-time detection device for the damage of the drainage water seal of the building in the embodiment comprises the following steps:
the method comprises the following steps: searching the lengths of all pipelines and the distances between all water traps 5 and a drainage vertical pipe 6 in a drainage system construction drawing of a building to be detected, and measuring the distances between a pressure transient signal generator 2 and a water hammer monitoring pressure sensor 3 on the drainage vertical pipe 6;
step two: constructing an equal-proportion drainage system hydraulic model to be tested in an intelligent pressure transient analysis management software system 1 by utilizing the length of each pipeline, the distance between each trap 5 and a drainage stand pipe 6, the distance between a pressure transient signal generator 2 and a water hammer monitoring pressure sensor 3 on the drainage stand pipe 6 in the step one and combining a drainage system construction drawing of a building to be tested;
step three: the following contents are simulated in the air hammer analysis functional module in the intelligent pressure transient analysis management software system 1:
1) under the closed working condition of all the water traps 5, the transient pressure P1 is input into the top-extending vent pipe 4, the pipeline air hammer is calculated, and the pressure fluctuation curve X of the water hammer monitoring pressure sensor 3 in the water seal intact state is obtained0；
2) Under a certain water seal failure condition, transient pressure P1 is input into the top extending vent pipe 4, the pipeline air hammer when the water seal of each trap 5 fails is calculated one by one, and a pressure fluctuation curve X of the water hammer monitoring pressure sensor 3 in a water seal damage state is obtained1、 X2… Xn, n is the number of traps 5;
the simulation results of 1) and 2) in the third step are stored in a database of the intelligent pressure transient analysis management software system 1;
step four: triggering a pressure transient signal generator 2 on a drainage system of a building to be tested to generate a transient pressure P2, ensuring that the pressure value of the transient pressure P2 is the same as that of the transient pressure P1 in the third step, detecting a negative reflection signal and reflection arrival time by a water hammer monitoring pressure sensor 3, remotely sending the negative reflection signal and the reflection arrival time to a high scanning rate data recording function module of an intelligent pressure transient analysis management software system 1, and storing the high scanning rate data recording function module to form a pressure fluctuation curve Xn + 1;
step five: through the data analysis and comparison functional module in the intelligent pressure transient analysis management software system 1, the pressure fluctuation curve Xn +1 in the high scanning rate data recording functional module and the pressure fluctuation curve X in the database are automatically extracted0Xn are compared separately, at pressure fluctuation curve X0And finding a pressure fluctuation curve which is most consistent with the pressure fluctuation curve Xn +1 pressure fluctuation trend in the Xn, wherein the corresponding simulation working condition is the water seal actual condition of the drainage system of the building to be detected, so that the conclusion that the water seal is complete or the concrete water seal failure position is obtained.
The beneficial effects of the embodiment are as follows:
the real-time detection device for the damage of the drainage water seal of the building is provided with an intelligent pressure transient analysis management software system 1 and a pressure transient detection and identification hardware system, wherein the intelligent pressure transient analysis management software system 1 comprises a high-scanning-rate data recording function module, an air hammer analysis function module, a data analysis comparison function module and a database, the pressure transient detection and identification hardware system comprises a pressure transient signal generator 2 and a water hammer monitoring pressure sensor 3, can receive, record and analyze the water hammer fluctuation monitored by the water hammer monitoring pressure sensor 3 to form a pressure fluctuation curve, construct a hydraulic model and perform air hammer simulation, compare data and store a detection result (namely the position where the water seal is intact or the specific water seal fails) as experience data for subsequent water seal damage detection and judgment; pressure transient state detects discernment hardware systems and intelligent pressure transient state analysis management software system 1 and combines together, 5 water seal states of trap that can all connect fast, in time detect the water seal and destroy and the destroyed water seal of remote location, solved current building drainage system and needed the manpower to go into the room and rely on artifical on-the-spot vision to look over or sniff and accomplish the problem of water seal inspection, accomplish in time to discover the water seal inefficacy, improve work efficiency.
The intelligent pressure transient analysis management software system 1 can be directly installed in a drainage system of a building to be tested, is convenient to operate, saves manpower and material resources, and improves working efficiency; because the water hammer wave speed is too fast, the ordinary pressure sensor can not monitor the transient pressure fluctuation data, therefore, the accuracy rate of the real-time detection device for the damage of the drainage water seal of the building can be improved by adopting the water hammer monitoring pressure sensor 3 to replace the ordinary pressure sensor.
The fourth concrete implementation mode: the third difference between the present embodiment and the specific embodiment is: and in the fourth step, the water hammer monitoring pressure sensor 3 sends the detected negative reflection signal and the reflection arrival time to a high scanning rate data recording function module of the intelligent pressure transient analysis management software system 1 through a GPRS remote transmission communication function.
The other steps are the same as those in the third embodiment.
The fifth concrete implementation mode: the third or fourth difference between the present embodiment and the specific embodiment is: and fifthly, the simulated working condition is a closed working condition of the trap 5 or a water seal failure working condition.
The other steps are the same as those of the third or fourth embodiment.
The following examples were used to demonstrate the beneficial effects of the present invention:
the first embodiment is as follows: the building drainage water seal damage real-time detection device comprises a sanitary ware, a trap 5, a drainage vertical pipe 6, a drainage branch pipe, a clearing device, a lifting device, a sewage local treatment structure and a top-extending vent pipe 4, wherein the sanitary ware is communicated with the drainage branch pipe through the trap 5, the drainage branch pipe is communicated with the drainage vertical pipe 6, water in the drainage vertical pipe 6 is guided into the sewage local treatment structure through the lifting device, the top of the drainage vertical pipe 6 is provided with the top-extending vent pipe 4, and the clearing device is arranged on the circumferential surface of the drainage vertical pipe 6; the real-time detection device comprises an intelligent pressure transient analysis management software system 1 and a pressure transient detection recognition hardware system, wherein the intelligent pressure transient analysis management software system 1 is provided with a high scanning rate data recording function module, an air hammer analysis function module, a data analysis comparison function module and a database, can receive, record and analyze water hammer fluctuation monitored by a water hammer monitoring pressure sensor 3 to form a pressure fluctuation curve, construct a hydraulic model and perform air hammer simulation, compare data and store a detection result (namely the water seal is intact or a specific water seal failure position) as empirical data for subsequent water seal damage detection judgment; the pressure transient detection and identification hardware system comprises a pressure transient signal generator 2 and a water hammer monitoring pressure sensor 3, wherein the pressure transient signal generator 2 is used for applying a positive transient pulse to a drainage vertical pipe 6 of a drainage system when being triggered to provide conditions for the simulation of a subsequent intelligent pressure transient analysis management software system 1, the water hammer monitoring pressure sensor 3 is used for monitoring the fluctuation of a water hammer, the water hammer monitoring pressure sensor 3 is connected with the intelligent pressure transient analysis management software system 1 through a GPRS (general packet radio service) remote transmission communication function of the water hammer monitoring pressure sensor 3, and the water hammer monitoring pressure sensor 3 is also connected with the pressure transient signal generator 2; the pressure transient signal generator 2 is arranged on the top-extending vent pipe 4, and the water hammer monitoring pressure sensor 3 is arranged on the drainage vertical pipe 6 below the pressure transient signal generator 2.
Example two: the use method of the real-time detection device for the damage of the drainage water seal of the building is completed according to the following steps:
the method comprises the following steps: searching the lengths of all pipelines and the distances between all water traps 5 and a drainage vertical pipe 6 in a drainage system construction drawing of a building to be detected, and measuring the distances between a pressure transient signal generator 2 and a water hammer monitoring pressure sensor 3 on the drainage vertical pipe 6;
step two: constructing an equal-proportion drainage system hydraulic model to be tested in the intelligent pressure transient analysis management software system 1 by utilizing the lengths of all pipelines, the distance between each trap 5 and the drainage vertical pipe 6, the distance between the pressure transient signal generator 2 and the water hammer monitoring pressure sensor 3 on the drainage vertical pipe 6 and the construction drawing of the drainage system of the building to be tested;
step three: the following contents are simulated in the air hammer analysis function module in the intelligent pressure transient analysis management software system 1:
1) under the closed working condition of all the water traps 5, the transient pressure P1 is input into the top-extending vent pipe 4, the pipeline air hammer is calculated, and the pressure fluctuation curve X of the water hammer monitoring pressure sensor 3 in the water seal intact state is obtained0；
2) Under a certain water seal failure condition, transient pressure P1 is input into the top extending vent pipe 4, the pipeline air hammer when the water seal of each trap 5 fails is calculated one by one, and a pressure fluctuation curve X of the water hammer monitoring pressure sensor 3 in a water seal damage state is obtained1、 X2… Xn, n is the number of traps 5;
the simulation results of the steps 1) and 2) are stored in a database of the intelligent pressure transient analysis management software system 1 and are used for detecting and positioning the subsequent daily water seal damage;
step four: triggering a pressure transient signal generator 2 on a drainage system of a building to be detected to generate transient pressure P2, ensuring that the pressure value of the transient pressure P2 is the same as that of transient pressure P1 in step III, detecting a negative reflection signal and reflection arrival time through a water hammer monitoring pressure sensor 3, remotely sending the detected negative reflection signal and reflection arrival time to a high-scanning-rate data recording function module of an intelligent pressure transient analysis management software system 1 through a GPRS remote transmission communication function, and storing by the high-scanning-rate data recording function module to form a pressure fluctuation curve Xn + 1;
step five: through the data analysis and comparison functional module in the intelligent pressure transient analysis management software system 1, the pressure fluctuation curve Xn +1 in the high scanning rate data recording functional module and the pressure fluctuation curve X in the database are automatically extracted0Xn are compared separately, at pressure fluctuation curve X0Finding a pressure fluctuation curve which is most consistent with the pressure fluctuation curve Xn +1 pressure fluctuation trend in Xn, wherein the corresponding simulation working condition (the closed working condition of the trap 5 or a certain water seal failure working condition) is the water seal actual condition of the drainage system of the building to be detected, and thus obtaining the conclusion that the water seal is intact or the concrete water seal failure position.
Claims (2)
1. The use method of the real-time detection device for the damage of the drainage water seal of the building is characterized by comprising the following steps:
the method comprises the following steps: the length of each pipeline and the distance between each trap (5) and a drainage vertical pipe (6) in a drainage system construction drawing of a building to be detected are searched, and the distance between a pressure transient signal generator (2) and a water hammer monitoring pressure sensor (3) on the drainage vertical pipe (6) is measured;
step two: constructing an equal-proportion drainage system hydraulic model to be tested in an intelligent pressure transient analysis management software system (1) by utilizing the lengths of all pipelines, the distance between each trap (5) and a drainage vertical pipe (6), the distance between a pressure transient signal generator (2) and a water hammer monitoring pressure sensor (3) on the drainage vertical pipe (6) and the construction drawing of a drainage system of a building to be tested;
step three: the following contents are simulated in a pneumatic hammer analysis functional module in an intelligent pressure transient analysis management software system (1):
1) under the closed working condition of all the trap joints (5), the transient pressure P1 is input into the top-extending vent pipe (4), the pipeline air hammer is calculated, and the pressure fluctuation curve X at the water hammer monitoring pressure sensor (3) in the water seal intact state is obtained0；
2) Under a certain water seal failure working condition, transient pressure P1 is input into the top extending vent pipe (4), and pipeline air hammers are calculated one by one when the water seal of each trap (5) fails to obtain waterPressure fluctuation curve X at water hammer monitoring pressure sensor (3) in a sealing failure state1、X2… Xn, n is the number of traps (5);
the simulation results of 1) and 2) in the third step are stored in a database of the intelligent pressure transient analysis management software system (1);
step four: triggering a pressure transient signal generator (2) on a drainage system of a building to be tested to generate transient pressure P2, ensuring that the pressure value of the transient pressure P2 is the same as that of transient pressure P1 in the third step, detecting a negative reflection signal and reflection arrival time by a water hammer monitoring pressure sensor (3), remotely sending the negative reflection signal and the reflection arrival time to a high scanning rate data recording function module of an intelligent pressure transient analysis management software system (1), and storing the negative reflection signal and the reflection arrival time by the high scanning rate data recording function module to form a pressure fluctuation curve Xn + 1;
step five: through a data analysis and comparison functional module in an intelligent pressure transient analysis management software system (1), a pressure fluctuation curve Xn +1 in a high-scanning-rate data recording functional module and a pressure fluctuation curve X in a database are automatically extracted0Xn are compared separately, at pressure fluctuation curve X0Finding a pressure fluctuation curve which is most consistent with the pressure fluctuation curve Xn +1 pressure fluctuation trend in Xn, wherein the corresponding simulation working condition is the water seal actual condition of the drainage system of the building to be tested, so that the conclusion that the water seal is intact or the concrete water seal failure position is obtained, and the simulation working condition is the closed working condition of a trap (5) or a certain water seal failure working condition;
the building drainage water seal damage real-time detection device comprises a sanitary ware, a trap (5), a drainage vertical pipe (6), a drainage branch pipe, a clearing device, a lifting device, a sewage local treatment structure and a top-extending vent pipe (4), wherein the sanitary ware is communicated with the drainage branch pipe through the trap (5), the drainage branch pipe is communicated with the drainage vertical pipe (6), water in the drainage vertical pipe (6) is guided into the sewage local treatment structure through the lifting device, the top of the drainage vertical pipe (6) is provided with the top-extending vent pipe (4), and the clearing device is arranged on the circumferential surface of the drainage vertical pipe (6); the real-time detection device comprises an intelligent pressure transient analysis management software system (1) and a pressure transient detection recognition hardware system, wherein the intelligent pressure transient analysis management software system (1) is provided with a high scanning rate data recording function module, an air hammer analysis function module, a data analysis comparison function module and a database, the pressure transient detection recognition hardware system comprises a pressure transient signal generator (2) and a water hammer monitoring pressure sensor (3), the water hammer monitoring pressure sensor (3) is respectively connected with the intelligent pressure transient analysis management software system (1) and the pressure transient signal generator (2), and the water hammer monitoring pressure sensor (3) is connected with the intelligent pressure transient analysis management software system (1) through a GPRS remote transmission communication function; the pressure transient signal generator (2) is arranged on the top-extending vent pipe (4), and the water hammer monitoring pressure sensor (3) is arranged on the drainage vertical pipe (6) below the pressure transient signal generator (2).
2. The use method of the device for detecting the damage to the drainage water seal of the building in real time according to claim 1, wherein the water hammer monitoring pressure sensor (3) in the fourth step transmits the detected negative reflection signal and the reflection arrival time to a high scanning rate data recording function module of the intelligent pressure transient analysis management software system (1) through a GPRS remote transmission communication function.
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