Vehicle-mounted mobile fire extinguisher maintenance system based on Internet

Abstract

The invention discloses a vehicle-mounted mobile fire extinguisher maintenance system based on the Internet. The vehicle-mounted mobile fire extinguisher maintenance system based on the Internet comprises a fire extinguisher information acquisition module, a fire extinguisher detection module and a fire extinguisher maintenance module. The fire extinguisher abnormal evaluation value is obtained by detecting the temperature and the pressure of the fire extinguisher in real time, if the fire extinguisher abnormal evaluation value is larger than the specified threshold value, the fire extinguisher is unqualified, and for the fire extinguisher with the fire extinguisher abnormal evaluation value not larger than the specified threshold value, whether the fire extinguisher is qualified or not is recognized through the fire extinguisher intelligent recognition method. The fire extinguishing agent residual amount evaluation value is used as an index for evaluating the fire extinguishing dosage, the waste powder quality evaluation value is used for evaluating the waste powder quality, the fire extinguisher pressure evaluation value is used for judging whether a bottle body is damaged or not, and the normal use time of the fire extinguisher is obtained through the pressure maintaining time evaluation value, so that rapid detection of the fire extinguisher is achieved; the problem that a fire extinguisher cannot be detected in real time in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of fire extinguisher maintenance, and particularly to an Internet-based vehicle-mounted mobile fire extinguisher maintenance system. Background Art

[0002] With the frequent occurrence of fire accidents, fire extinguishers, as devices for extinguishing and controlling fires, are widely placed in public places and sites where fires may occur. The components in different types of fire extinguishers are different and are designed specifically for different fire causes. No matter what kind of fire extinguisher it is, it needs to be inspected and maintained regularly. However, manual on-site inspection or transporting the fire extinguisher to a specific place for inspection is not only time-consuming but also increases costs. Therefore, a method that can save time and manpower is needed to maintain fire extinguishers.

[0003] The existing Internet-based vehicle-mounted mobile fire extinguisher maintenance system determines whether a fire extinguisher needs maintenance by performing an appearance inspection and a cylinder inspection on the fire extinguisher, but ignores factors such as whether the extinguishing agent in the fire extinguisher has expired, and cannot quickly detect in real time whether the fire extinguisher needs maintenance.

[0004] For example, a mobile fire extinguisher maintenance system and its application disclosed in the publication number: CN112957646A includes: a mobile device, an inspection device installed on the mobile device, and a controller for controlling the inspection device. The inspection device includes an appearance inspection module, a disassembly module, a cylinder inspection module, a filling module, an airtightness inspection module, and a transportation component for transporting the fire extinguisher to each module. The detection device and the maintenance device of the fire extinguisher are organically combined and integrated onto the truck chassis, making the detection of the fire extinguisher more convenient. Compared with the existing unified centralized transportation to the recycling and detection center, its efficiency is significantly improved. The automatic maintenance of the fire extinguisher is realized through a horizontal slide rail, a vertical slide rail, a rotating disk, and a rail vehicle, and a control system is used to automatically control it. The entire system does not require manual intervention, and the fire extinguisher maintenance is convenient and fast.

[0005] For example, a fire extinguisher maintenance device disclosed in the publication number CN214130049U includes: a workbench, a disassembly and assembly mechanism, and a filling and weighing mechanism. A storage rack and a powder extraction box are provided at the rear end of the workbench. An inflation head is placed on the storage rack, and the inflation head is connected to an external inflation pipeline through a hose. The disassembly and assembly mechanism is arranged on the workbench. The filling and weighing mechanism includes a weighing sensor and a filling mechanism. The weighing sensor is connected to the box body of the powder extraction box. The filling mechanism is suspended on the weighing sensor, and a fixed filling head and a lifting placement table are provided on the filling mechanism. A through hole matching the lifting placement table is provided on the workbench. A powder extraction pipe is connected to the powder extraction box, and the powder extraction pipe is connected to an insertion pipe through a hose. The insertion pipe matches the bottle mouth of the fire extinguisher. A fire extinguisher inflation groove is also provided on the side of the workbench. This device is convenient to operate, realizes the organic integration of processes such as fire extinguisher disassembly, powder extraction, powder filling, weighing, assembly, and inflation operations, and improves the maintenance efficiency of fire extinguishers.

[0006] However, in the process of implementing the technical solution of the invention in the embodiments of the present application, it is found that the above technology has at least the following technical problems:

[0007] In the prior art, since the Internet-based vehicle-mounted mobile fire extinguisher maintenance system judges whether a fire extinguisher needs maintenance by performing an appearance inspection and a cylinder inspection on the fire extinguisher, it ignores factors such as whether the fire extinguishing agent in the fire extinguisher has expired, and it cannot quickly detect in real time whether the fire extinguisher needs maintenance, resulting in the problem that the fire extinguisher cannot be detected in real time. Summary of the Invention

[0008] The embodiments of the present application provide an Internet-based vehicle-mounted mobile fire extinguisher maintenance system, which solves the problem in the prior art that the fire extinguisher cannot be detected in real time and realizes the rapid detection of the fire extinguisher.

[0009] The embodiment of the present application provides an Internet-based vehicle-mounted mobile fire extinguisher maintenance system, including: a fire extinguisher information collection module, a fire extinguisher detection module, and a fire extinguisher maintenance module; wherein, the fire extinguisher information collection module is used to collect the equipment information and monitoring information of the fire extinguisher; the fire extinguisher detection module is used to process the information collected by the fire extinguisher information collection module to obtain a fire extinguisher abnormality evaluation value. If the fire extinguisher abnormality evaluation value is greater than the specified threshold, it is determined that the fire extinguisher is unqualified. For fire extinguishers whose fire extinguisher abnormality evaluation value is not greater than the specified threshold, the fire extinguisher intelligent identification method is used to identify whether the fire extinguisher is qualified; the fire extinguisher maintenance module is used to process the information collected by the fire extinguisher information collection module to obtain an evaluation value of the remaining amount of the fire extinguishing agent, add the fire extinguishing agent to the fire extinguisher whose evaluation value of the remaining amount of the fire extinguishing agent is lower than the specified threshold, record the unqualified fire extinguishers detected by the fire extinguisher detection module and notify the maintenance personnel to extract the powder. The information collected by the fire extinguisher information collection module is processed to obtain an evaluation value of the waste powder quality, an evaluation value of the fire extinguisher pressure, and an evaluation value of the pressure holding time. The waste powder quality is evaluated by the evaluation value of the waste powder quality. Whether the cylinder body is damaged is judged by the fire extinguisher pressure evaluation value. If it is judged that the cylinder body is damaged, the maintenance personnel are notified to attach a waste label to the fire extinguisher with the damaged cylinder body. If it is judged that the cylinder body is not damaged, no operation is performed. The normal service time of the fire extinguisher is obtained through the pressure holding time evaluation value, and the maintenance personnel are notified to dry the fire extinguisher and fill it with the fire extinguishing agent.

[0010] Further, the equipment information of the fire extinguisher includes: the type corresponding to the fire extinguisher, the model corresponding to the fire extinguisher, each component of the fire extinguisher marked on the fire extinguisher nameplate and the corresponding proportion of each component, the pressure holding pressure corresponding to the fire extinguisher, and the monitoring information of the fire extinguisher includes: the fire extinguisher temperature, the fire extinguishing dose of the fire extinguisher, the pressure value, the water level value, each component marked on the fire extinguisher nameplate in the waste powder and the corresponding proportion of each component.

[0011] Further, the specific analysis method of the fire extinguisher abnormality evaluation value is: obtain the pressure values of each fire extinguisher of the same type corresponding to the fire extinguisher at the same time point in real time, calculate the average pressure value of different model fire extinguishers at the same time through the average summation method, and obtain the fire extinguisher abnormality evaluation value according to the difference between the pressure value of the fire extinguisher to be detected at the same time point and the average pressure value and the temperature evaluation value.

[0012] Further, the specific analysis method of the temperature evaluation value is: obtain the temperatures of the fire extinguisher at different time points. At the same time point, obtain the temperatures of each fire extinguisher of the same type and calculate the average temperature value. The temperature evaluation value is obtained according to the temperatures of the fire extinguisher at different time points and the average value. If the temperature evaluation value is greater than the specified threshold, it means that the fire extinguisher needs to be repaired. If the temperature evaluation value is not greater than the specified threshold, no operation is required.

[0013] Further, the specific analysis process of the fire extinguisher intelligent identification method is as follows: Input the pressure value and the value of the distance from the production date of the fire extinguisher, train the pressure value and the value of the distance from the production date of the fire extinguisher, obtain whether the fire extinguisher is qualified, and attach a qualified or unqualified label as the training set. Obtain the pressure value and the value of the distance from the production date of the fire extinguisher to be detected. By taking the pressure value of the fire extinguisher as the abscissa and the value of the distance from the production date of the fire extinguisher as the ordinate, according to the proximity distance formula, obtain the proximity distance value between the pressure value and the value of the distance from the production date of the fire extinguisher to be detected and those of several adjacent fire extinguishers in the training set. Screen out the minimum proximity distance value from all the proximity distance values, and use the corresponding qualified or unqualified label as the qualified or unqualified label of the fire extinguisher to be detected.

[0014] Further, the specific analysis method of the proximity distance formula is as follows: Subtract the abscissa of several adjacent fire extinguishers in the training set from the abscissa of the fire extinguisher to be detected as the abscissa value distance, subtract the ordinate of several adjacent fire extinguishers in the training set from the ordinate of the fire extinguisher to be detected as the ordinate value distance, and take the square root of the sum of the square of the abscissa value distance and the square of the ordinate value distance to obtain the proximity distance value.

[0015] Further, the specific analysis method of the remaining fire extinguishing agent quantity evaluation value is as follows: Obtain the fire extinguishing agent quantity, the type of the fire extinguisher, and the model of the fire extinguisher at different time points. Obtain the fire extinguisher container weight according to the type and model of the fire extinguisher. Through the fire extinguishing agent quantity at different time points of the fire extinguisher and the fire extinguisher container weight, obtain the remaining fire extinguishing agent quantity evaluation value. If the remaining fire extinguishing agent quantity evaluation value of the fire extinguisher is lower than the specified threshold, repair the fire extinguisher. If the remaining fire extinguishing agent quantity evaluation value of the fire extinguisher is not lower than the specified threshold, do not perform any operation. Construct an analysis formula for the remaining fire extinguishing agent quantity evaluation value, and analyze according to it to obtain the remaining fire extinguishing agent quantity evaluation value. The analysis formula for the remaining fire extinguishing agent quantity evaluation value is: , where represents the remaining fire extinguishing agent quantity evaluation value of the nth fire extinguisher corresponding to the ith model of the mth type of fire extinguisher at the pth time point. m represents the type of the fire extinguisher, m = 1, 2, 3,..., m0, m0 represents the total number of fire extinguisher types, n represents the serial number of the fire extinguisher, n = 1, 2, 3,..., n0, n0 represents the total number of fire extinguishers, p represents the serial number of the time point, p = 1, 2, 3,..., q, q represents the total number of time points. represents the remaining fire extinguishing agent quantity of the nth fire extinguisher corresponding to the mth type of fire extinguisher at the pth time point. Denote the weight of the container of the i-th model of the fire extinguisher corresponding to the type of fire extinguisher numbered m. Here, i represents the model of the fire extinguisher, where i = 1, 2, 3,..., i0, and i0 represents the total number of fire extinguisher models.

[0016] Furthermore, the specific analysis method for the pressure evaluation value of the fire extinguisher is as follows: Instruct the maintenance personnel to pressurize the fire extinguisher, obtain the pressure values and water level values of the fire extinguisher at different time points, and based on the pressure values and water level values, obtain the pressure evaluation value of the fire extinguisher. If the pressure evaluation value of the fire extinguisher is equal to zero, it indicates that the fire extinguisher bottle is damaged; if the pressure evaluation value of the fire extinguisher is equal to one, it indicates that the fire extinguisher bottle is normal.

[0017] Furthermore, the specific analysis method for the waste powder quality evaluation value is as follows: Obtain each component of the fire extinguisher indicated on the fire extinguisher nameplate and the corresponding proportion of each component. Number each component of the fire extinguisher indicated on the fire extinguisher nameplate, detect each component of the fire extinguisher indicated on the fire extinguisher nameplate and the corresponding proportion of each component in the waste powder. By comparing the content of each component of the fire extinguisher indicated on the fire extinguisher nameplate with the corresponding content of each component in the waste powder, obtain the waste powder quality evaluation value, construct an analysis formula for the waste powder quality evaluation value, and analyze and obtain the waste powder quality evaluation value according to it. The analysis formula for the waste powder quality evaluation value is: In the formula, φ mn Denote the waste powder quality evaluation value of the n-th fire extinguisher corresponding to the type of fire extinguisher numbered m. f represents the serial number of each component of the fire extinguisher indicated on the fire extinguisher nameplate, where f = 1, 2, 3,..., f0, and f0 represents the total number of serial numbers of each component of the fire extinguisher indicated on the fire extinguisher nameplate. Denote the proportion corresponding to the f-th component of the waste powder of the n-th fire extinguisher corresponding to the type of fire extinguisher numbered m. Denote the proportion corresponding to the f-th component indicated on the nameplate of the n-th fire extinguisher corresponding to the type of fire extinguisher numbered m. Denote the weight of the f-th component indicated on the nameplate of the n-th fire extinguisher corresponding to the type of fire extinguisher numbered m in the waste powder quality evaluation value of the fire extinguisher.

[0018] Furthermore, the specific analysis method for the pressure holding time evaluation value is as follows: Obtain the pressure values of the current fire extinguisher at different time points and the pressure holding pressure corresponding to the current fire extinguisher. Obtain the minimum pressure holding pressure that can maintain the normal use of the fire extinguisher through the pressure holding pressure of the fire extinguisher. Divide the difference between the pressure values at different time points and the minimum pressure holding pressure of the fire extinguisher by the difference between the pressure values at two adjacent time points to obtain the pressure holding time evaluation value, and obtain the time for which the fire extinguisher can be used normally according to the pressure holding time evaluation value.

[0019] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0020] 1. The fire extinguisher detection module is used to process the information collected by the fire extinguisher information collection module to obtain an abnormal evaluation value of the fire extinguisher. If the abnormal evaluation value of the fire extinguisher is greater than the specified threshold, it is determined that the fire extinguisher is unqualified. For the fire extinguishers whose abnormal evaluation values are not greater than the specified threshold, the fire extinguisher intelligent recognition method is used to identify whether the fire extinguisher is qualified, so as to realize real-time accurate data analysis of the fire extinguisher to detect unqualified fire extinguishers, and then realize the rapid detection of the fire extinguisher, effectively solving the problem that the existing technology cannot detect the fire extinguisher in real time.

[0021] 2. The fire extinguisher maintenance module processes the information collected by the fire extinguisher information collection module to obtain an evaluation value of the remaining amount of the fire extinguishing agent, so as to detect the amount of the fire extinguishing agent in the fire extinguisher in real time, and then realize the timely maintenance of the fire extinguishers with less remaining fire extinguishing agent and increase the fire extinguishing agent.

[0022] 3. The information collected by the fire extinguisher information collection module is processed to obtain an evaluation value of the fire extinguisher pressure, so as to judge whether the cylinder body is damaged, and then realize the scrapping treatment of the fire extinguishing agent with a damaged cylinder body. Brief Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of an Internet-based vehicle-mounted mobile fire extinguisher maintenance system provided by an embodiment of the present application. Detailed Embodiment

[0024] The embodiment of the present application provides an Internet-based vehicle-mounted mobile fire extinguisher maintenance system, which solves the problem that the existing technology cannot detect the fire extinguisher in real time. By detecting the temperature and pressure of the fire extinguisher in real time, an abnormal evaluation value of the fire extinguisher is obtained. If the abnormal evaluation value of the fire extinguisher is greater than the specified threshold, it means that the fire extinguisher is unqualified. For the fire extinguishers whose abnormal evaluation values are not greater than the specified threshold, the fire extinguisher intelligent recognition method is used to identify whether the fire extinguisher is qualified. The evaluation value of the remaining amount of the fire extinguishing agent is used as an index to evaluate the amount of the fire extinguishing agent, the evaluation value of the waste powder quality is used to evaluate the quality of the waste powder, and the evaluation value of the fire extinguisher pressure is used to judge whether the cylinder body is damaged. If it is judged that the cylinder body is damaged, the maintenance personnel are notified to stick a scrapping label on the fire extinguisher with a damaged cylinder body. If it is judged that the cylinder body is not damaged, no operation is performed. The normal service time of the fire extinguisher is obtained through the evaluation value of the pressure holding time, realizing the rapid detection of the fire extinguisher.

[0025] The technical solution in the embodiment of the present application is to solve the above problem of the inability to detect the fire extinguisher in real time. The general idea is as follows:

[0026] The fire extinguisher information collection module is used to collect the device information and monitoring information of the fire extinguisher. The fire extinguisher detection module is used to process the information collected by the fire extinguisher information collection module to obtain the abnormal evaluation value of the fire extinguisher. If the abnormal evaluation value of the fire extinguisher is greater than the specified threshold, it is determined that the fire extinguisher is unqualified. For the fire extinguishers whose abnormal evaluation values are not greater than the specified threshold, the fire extinguisher intelligent identification method is used to identify whether the fire extinguisher is qualified. The fire extinguisher maintenance module is used to process the information collected by the fire extinguisher information collection module to obtain the remaining amount evaluation value of the fire extinguishing agent, add the fire extinguishing agent to the fire extinguishers whose remaining amount evaluation values of the fire extinguishing agent are lower than the specified threshold, record the unqualified fire extinguishers detected by the fire extinguisher detection module and notify the maintenance personnel to pump out the powder. The information collected by the fire extinguisher information collection module is processed to obtain the waste powder quality evaluation value, the fire extinguisher pressure evaluation value and the pressure holding time evaluation value. The waste powder quality is evaluated through the waste powder quality evaluation value. Whether the cylinder body is damaged is judged through the fire extinguisher pressure evaluation value. If it is judged that the cylinder body is damaged, the maintenance personnel are notified to attach a scrap label to the fire extinguisher with the damaged cylinder body. If it is judged that the cylinder body is not damaged, no operation is performed. The normal service time of the fire extinguisher is obtained through the pressure holding time evaluation value, and the maintenance personnel are notified to dry the fire extinguisher and fill it with the fire extinguishing agent, so as to achieve the rapid detection of the fire extinguisher.

[0027] In order to better understand the above technical solution, the above technical solution will be described in detail below in combination with the accompanying drawings of the specification and specific implementation manners.

[0028] Such as Figure 1As shown in the figure, it is a schematic structural diagram of an Internet-based vehicle-mounted mobile fire extinguisher maintenance system provided by an embodiment of the present application. The Internet-based vehicle-mounted mobile fire extinguisher maintenance system provided by the embodiment of the present application includes: a fire extinguisher information collection module, a fire extinguisher detection module, and a fire extinguisher maintenance module. Among them, the fire extinguisher information collection module is used to collect the device information and monitoring information of the fire extinguisher. The fire extinguisher detection module is used to process the information collected by the fire extinguisher information collection module to obtain an abnormal evaluation value of the fire extinguisher. If the abnormal evaluation value of the fire extinguisher is greater than the specified threshold, it is determined that the fire extinguisher is unqualified. For a fire extinguisher whose abnormal evaluation value is not greater than the specified threshold, the fire extinguisher intelligent recognition method is used to identify whether the fire extinguisher is qualified. The fire extinguisher maintenance module is used to process the information collected by the fire extinguisher information collection module to obtain an evaluation value of the remaining amount of the fire extinguishing agent, add the fire extinguishing agent to the fire extinguisher whose evaluation value of the remaining amount of the fire extinguishing agent is lower than the specified threshold, record the unqualified fire extinguishers detected by the fire extinguisher detection module and notify the maintenance personnel to extract the powder. The information collected by the fire extinguisher information collection module is processed to obtain an evaluation value of the waste powder quality, an evaluation value of the fire extinguisher pressure, and an evaluation value of the pressure holding time. The waste powder quality is evaluated by the evaluation value of the waste powder quality. Whether the cylinder body is damaged is judged by the evaluation value of the fire extinguisher pressure. If it is judged that the cylinder body is damaged, the maintenance personnel are notified to attach a scrapped label to the fire extinguisher with the damaged cylinder body. If it is judged that the cylinder body is not damaged, no operation is performed. The normal service time of the fire extinguisher is obtained through the evaluation value of the pressure holding time, and the maintenance personnel are notified to dry the fire extinguisher and fill it with the fire extinguishing agent.

[0029] In this embodiment, the specific process of powder extraction includes: turning on the red switch of the air compressor and observing the pressure gauge reading at 8 kPa. Turning on the vacuum start button of the pressure test and drying integrated machine, clicking on the industrial control screen of the maintenance integrated machine to enter the filling interface, pressing the recovery button, opening the pipeline valve of the powder extraction rod, and observing whether there is vacuum suction on the powder extraction rod at the same time. Insert the hose of the fire extinguisher to be repaired into the powder extraction rod. After placing it stably, pull out the safety pin of the fire extinguisher and press the pressure handle to spray the powder in the bottle into the powder extraction rod and recover it into the waste powder bucket. The fire extinguisher is dried by the pressure test and drying integrated machine. After drying is completed, insert the humidity sensor into the bottle body. It is qualified only when the reading is stable and below 50%.

[0030] Further, the device information of the fire extinguisher includes: the type corresponding to the fire extinguisher, the model corresponding to the fire extinguisher, the components of the fire extinguisher indicated on the fire extinguisher nameplate and the corresponding proportions of the components, the pressure holding pressure corresponding to the fire extinguisher. The monitoring information of the fire extinguisher includes: the temperature of the fire extinguisher, the fire extinguishing dose of the fire extinguisher, the pressure value, the water level value, the components indicated on the fire extinguisher nameplate in the waste powder and the corresponding proportions of the components.

[0031] Further, the specific analysis method for the abnormal evaluation value of the fire extinguisher is as follows: Obtain the pressure values of each fire extinguisher of the same type corresponding to the fire extinguisher in real time at the same time point. Calculate the average pressure value of different models of fire extinguishers at the same time through the average summation method. Obtain the abnormal evaluation value of the fire extinguisher based on the difference between the pressure value of the fire extinguisher to be detected at the same time point and the average pressure value, as well as the temperature evaluation value.

[0032] In this embodiment, the specific analysis formula for the abnormal evaluation value of the fire extinguisher is: represents the abnormal evaluation value of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the p time point. k1 and k2 respectively represent the temperature evaluation value and the weight of the internal pressure value of the fire extinguisher in the proportion.

[0033] Further, the specific analysis method for the temperature evaluation value is: Obtain the temperatures of the fire extinguisher at different time points. At the same time point, obtain the temperatures of each fire extinguisher of the same type and calculate the average temperature value. Obtain the temperature evaluation value based on the temperatures of the fire extinguisher at different time points and the average value. If the temperature evaluation value is greater than the specified threshold, it indicates that the fire extinguisher needs to be repaired. If the temperature evaluation value is not greater than the specified threshold, no operation is required.

[0034] In this embodiment, the specific analysis formula for the temperature evaluation value is: In the formula, represents the temperature evaluation value of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the p time point, represents the temperature of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the p time point, and α m represents the correction factor corresponding to the temperature evaluation value of the fire extinguisher type numbered m, and e represents the natural constant.

[0035] Further, the specific analysis process of the fire extinguisher intelligent recognition method is as follows: Input the pressure value and the value of the time since production date of the fire extinguisher. Train the pressure value and the value of the time since production date of the fire extinguisher to obtain whether the fire extinguisher is qualified and attach a qualified or unqualified label as the training set. Obtain the pressure value and the value of the time since production date of the fire extinguisher to be detected. Taking the pressure value of the fire extinguisher as the abscissa and the value of the time since production date of the fire extinguisher as the ordinate, calculate the proximity distance value of the pressure value and the value of the time since production date of the fire extinguisher to be detected and the pressure values and the values of the time since production date of several adjacent fire extinguishers in the training set according to the proximity distance formula. Select the minimum proximity distance value from all the proximity distance values, and use the corresponding qualified or unqualified label as the qualified or unqualified label of the fire extinguisher to be detected.

[0036] In this embodiment, the fire extinguisher to be detected is horizontally placed in the intelligent detection box with an internal fixed card slot, ensuring that the pressure gauge dial of the fire extinguisher faces upward. Click on the dial recognition on the Internet of Things device platform to enter the visual detection page, select the number of the fire extinguisher to be detected, and select to take a photo on the Internet of Things platform. The Internet of Things device platform will automatically identify whether the fire extinguisher to be detected is qualified according to the intelligent recognition method of the fire extinguisher.

[0037] Furthermore, the specific analysis method of the proximity distance formula is as follows: Subtract the abscissa of several adjacent fire extinguishers in the training set from the abscissa of the fire extinguisher to be detected as the abscissa value distance, subtract the ordinate of several adjacent fire extinguishers in the training set from the ordinate of the fire extinguisher to be detected as the ordinate value distance, and take the square root of the sum of the square of the abscissa value distance and the square of the ordinate value distance to obtain the proximity distance value.

[0038] In this embodiment, the boundary for judging adjacency is based on the given K value in the algorithm. If the K value is taken as 3, it means to select the coordinates of 3 fire extinguishers in the training set that are closest to the coordinates of the fire extinguisher to be detected. In the formula, represents the proximity distance value between the nth fire extinguisher corresponding to the fire extinguisher type numbered m and the fire extinguisher numbered u in the training set at the p time point. represents the pressure value of the fire extinguisher numbered u in the training set. E represents the English abbreviation of training, and u = 1, 2,..., K, where K represents the value given in the algorithm. represents the value of the distance from the production date of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the p time point. represents the value of the distance from the production date of the fire extinguisher numbered u in the training set.

[0039] Furthermore, the specific analysis method of the evaluation value of the remaining amount of the fire extinguishing agent is as follows: Obtain the amount of the fire extinguishing agent in the fire extinguisher at different time points, the type of the fire extinguisher, and the model of the fire extinguisher. Calculate the weight of the fire extinguisher container based on the type and model of the fire extinguisher. Through the amount of the fire extinguishing agent in the fire extinguisher at different time points and the weight of the fire extinguisher container, obtain the evaluation value of the remaining amount of the fire extinguishing agent. If the evaluation value of the remaining amount of the fire extinguishing agent of a fire extinguisher is lower than the specified threshold, the fire extinguisher is repaired. If the evaluation value of the remaining amount of the fire extinguishing agent of a fire extinguisher is not lower than the specified threshold, no operation is performed. Construct an analysis formula for the evaluation value of the remaining amount of the fire extinguishing agent, and analyze the evaluation value of the remaining amount of the fire extinguishing agent according to it. The analysis formula for the evaluation value of the remaining amount of the fire extinguishing agent is: In the formula, Denotes the evaluation value of the remaining extinguishing agent of the nth fire extinguisher corresponding to the ith model of the fire extinguisher type numbered m at the pth time point. m represents the type of fire extinguisher, m = 1, 2, 3,..., m0, where m0 represents the total number of fire extinguisher types. n represents the serial number of the fire extinguisher, n = 1, 2, 3,..., n0, where n0 represents the total number of fire extinguishers. p represents the serial number of the time point, p = 1, 2, 3,..., q, where q represents the total number of time points. Denotes the remaining extinguishing agent amount of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the pth time point. Denotes the weight of the fire extinguisher container of the ith model corresponding to the fire extinguisher type numbered m. i represents the model of the fire extinguisher, i = 1, 2, 3,..., i0, where i0 represents the total number of fire extinguisher models.

[0040] Furthermore, the specific analysis method for the fire extinguisher pressure evaluation value is as follows: Notify the maintenance personnel to pressurize the fire extinguisher, obtain the pressure values and water level values of the fire extinguisher at different time points, and based on the pressure values and water level values, obtain the fire extinguisher pressure evaluation value. If the fire extinguisher pressure evaluation value is equal to zero, it indicates that the fire extinguisher bottle body is damaged. If the fire extinguisher pressure evaluation value is equal to one, it indicates that the fire extinguisher bottle body is normal.

[0041] In this embodiment, a pressure test is performed on the fire extinguisher. Before the test, the pressure relief valve is closed, and the fire extinguisher is pressurized by a pressure test and drying integrated machine. After waiting for the water pressure to reach 2.1 Mpa, the equipment stops pressurizing. If the pressure value reading drops or the bottle body leaks, it indicates that the fire extinguisher bottle body is damaged. The specific analysis formula for the fire extinguisher pressure evaluation value is: In the formula, Denotes the fire extinguisher pressure evaluation value of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the pth time point. Denotes the water pressure of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the pth time point. Denotes the amount of water in the tank of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the pth time point.

[0042] Furthermore, the specific analysis method for the waste powder quality evaluation value is as follows: Obtain the various components of the fire extinguisher indicated on the fire extinguisher nameplate and their corresponding proportions, number the various components of the fire extinguisher indicated on the fire extinguisher nameplate, detect the various components of the fire extinguisher indicated on the fire extinguisher nameplate and their corresponding proportions in the waste powder, and by comparing the content of each component of the fire extinguisher indicated on the fire extinguisher nameplate with the corresponding content of each component in the waste powder, obtain the waste powder quality evaluation value, construct a waste powder quality evaluation value analysis formula, and analyze the waste powder quality evaluation value based on it. The waste powder quality evaluation value analysis formula is: In the formula, φ mnDenotes the waste powder mass evaluation value of the nth fire extinguisher corresponding to the fire extinguisher type numbered m. Let f denote the component numbers of the fire extinguisher marked on the fire extinguisher nameplate, where f = 1, 2, 3,..., f0, and f0 represents the total number of component numbers of the fire extinguisher marked on the fire extinguisher nameplate. Denotes the proportion of the fth component of the waste powder of the nth fire extinguisher corresponding to the fire extinguisher type numbered m. Denotes the proportion of the fth component marked on the nameplate of the nth fire extinguisher corresponding to the fire extinguisher type numbered m. Denotes the weight of the fth component marked on the nameplate of the nth fire extinguisher corresponding to the fire extinguisher type numbered m in the waste powder mass evaluation value of the fire extinguisher.

[0043] Furthermore, the specific analysis method for the pressure holding time evaluation value is as follows: Obtain the pressure values of the current fire extinguisher at different time points and the pressure holding pressure corresponding to the current fire extinguisher. From the pressure holding pressure of the fire extinguisher, obtain the minimum pressure holding pressure that can maintain the normal use of the fire extinguisher. Divide the difference between the pressure values at different time points and the minimum pressure holding pressure of the fire extinguisher by the difference between the pressure values at two adjacent time points to obtain the pressure holding time evaluation value, and based on the pressure holding time evaluation value, obtain the time during which the fire extinguisher can be used normally.

[0044] In this embodiment, the specific analysis formula for the pressure holding time evaluation value is: In the formula, Denotes the pressure holding time evaluation value of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the p time point. Denotes the minimum pressure holding pressure corresponding to the fire extinguisher type numbered m.

[0045] The technical solutions in the embodiments of the present application at least have the following technical effects or advantages: Compared with a mobile fire extinguisher maintenance system and its application disclosed in the publication number CN112957646A, in the embodiments of the present application, the fire extinguisher detection module is used to process the information collected by the fire extinguisher information collection module to obtain the fire extinguisher abnormality evaluation value. If the fire extinguisher abnormality evaluation value is greater than the specified threshold, it is determined that the fire extinguisher is unqualified. For the fire extinguishers whose fire extinguisher abnormality evaluation values are not greater than the specified threshold, the fire extinguisher intelligent identification method is used to identify whether the fire extinguisher is qualified, so as to realize real-time accurate data analysis of the fire extinguisher to detect unqualified fire extinguishers, and further realize the rapid detection of the fire extinguisher; Compared with a fire extinguisher maintenance device disclosed in the publication number CN214130049U, in the embodiments of the present application, the fire extinguisher maintenance module processes the information collected by the fire extinguisher information collection module to obtain the remaining extinguishing agent quantity evaluation value, so as to detect the extinguishing agent quantity in the fire extinguisher in real time, and further realize the timely maintenance of the fire extinguishers with less remaining extinguishing agent quantity and the addition of extinguishing agent.

[0046] Those skilled in the art should understand that the embodiments of the present invention can be provided as a method, a system, or a computer program product. Therefore, the present invention can take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present invention can take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk memory, CD-ROM, optical memory, etc.) that contain computer-usable program code.

[0047] The present invention is described with reference to the flowcharts and / or block diagrams of systems, devices (systems), and computer program products according to the embodiments of the present invention. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, as well as the combination of flows and / or blocks in the flowcharts and / or block diagrams, can be realized by computer program instructions. These computer program instructions can be provided to the processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to generate a machine, such that the instructions executed by the processor of the computer or other programmable data processing devices generate means for realizing the functions specified in Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.

[0048] These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing devices to work in a specific manner, such that the instructions stored in the computer-readable memory generate a manufactured article including instruction means that realize the functions specified in Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.

[0049] These computer program instructions can also be loaded onto a computer or other programmable data processing devices, such that a series of operation steps are executed on the computer or other programmable devices to generate a computer-implemented process, so that the instructions executed on the computer or other programmable devices provide steps for realizing the functions specified in Figure 1 one flow or multiple flows and / or blocks Figure 1 one block or multiple blocks.

[0050] Although the preferred embodiments of the present invention have been described, those skilled in the art can make additional changes and modifications once they learn the basic creative concepts. Therefore, the appended claims are intended to be construed to include the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0051] Obviously, those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.

Claims

1. An Internet-based in-vehicle mobile fire extinguisher maintenance system, characterized in that, It includes a fire extinguisher information collection module, a fire extinguisher detection module, and a fire extinguisher maintenance module; Among them, the fire extinguisher information collection module is used to collect the equipment information and monitoring information of the fire extinguisher; The fire extinguisher detection module is used to process the information collected by the fire extinguisher information collection module to obtain an abnormal evaluation value of the fire extinguisher. If the abnormal evaluation value of the fire extinguisher is greater than the specified threshold, it is determined that the fire extinguisher is unqualified. For fire extinguishers whose abnormal evaluation value is not greater than the specified threshold, the fire extinguisher intelligent recognition method is used to identify whether the fire extinguisher is qualified; The fire extinguisher maintenance module is used to process the information collected by the fire extinguisher information collection module to obtain an evaluation value of the remaining amount of the fire extinguishing agent. For fire extinguishers with the evaluation value of the remaining amount of the fire extinguishing agent lower than the specified threshold, the fire extinguishing agent is increased. For unqualified fire extinguishers detected by the fire extinguisher detection module, records are made and maintenance personnel are notified to pump out the powder. The information collected by the fire extinguisher information collection module is processed to obtain an evaluation value of the waste powder quality, an evaluation value of the fire extinguisher pressure, and an evaluation value of the pressure holding time. The waste powder quality is evaluated through the evaluation value of the waste powder quality. Whether the cylinder body is damaged is judged through the evaluation value of the fire extinguisher pressure. If it is judged that the cylinder body is damaged, maintenance personnel are notified to label the fire extinguisher with a damaged cylinder body as scrapped. If it is judged that the cylinder body is not damaged, no operation is performed. The normal service time of the fire extinguisher is obtained through the evaluation value of the pressure holding time, and maintenance personnel are notified to dry the fire extinguisher and fill it with the fire extinguishing agent.

2. The in-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 1, characterized in that The equipment information of the fire extinguisher includes: The type corresponding to the fire extinguisher, the model corresponding to the fire extinguisher, the components of the fire extinguisher marked on the fire extinguisher nameplate and the corresponding proportion of each component, and the pressure holding pressure corresponding to the fire extinguisher; The monitoring information of the fire extinguisher includes: the temperature of the fire extinguisher, the fire extinguishing agent amount of the fire extinguisher, the pressure value, the water level value, the components marked on the fire extinguisher nameplate in the waste powder and the corresponding proportion of each component.

3. The in-vehicle mobile fire extinguisher maintenance system based on the Internet as claimed in claim 1, wherein The specific analysis method of the abnormal evaluation value of the fire extinguisher is: Obtain the pressure values of each fire extinguisher of the same type corresponding to the fire extinguisher at the same time point in real time; The average pressure value of different models of fire extinguishers at the same time is obtained by the average summation method. The abnormal evaluation value of the fire extinguisher is obtained based on the difference between the pressure value of the fire extinguisher to be detected at the same time point and the average pressure value and the temperature evaluation value.

4. The in-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 3, characterized in that, The specific analysis method of the temperature evaluation value is: Obtain the temperature of the fire extinguisher at different time points; At the same time point, obtain the temperatures of each fire extinguisher of the same type and calculate the average temperature value; The temperature evaluation value is obtained based on the temperature of the fire extinguisher at different time points and the average value. If the temperature evaluation value is greater than the specified threshold, it indicates that the fire extinguisher needs to be repaired. If the temperature evaluation value is not greater than the specified threshold, no operation is required.

5. The on-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 1, characterized in that, The specific analysis process of the fire extinguisher intelligent recognition method is: Input the pressure value and the value of the time since production date of the fire extinguisher, train the pressure value and the value of the time since production date of the fire extinguisher to obtain whether the fire extinguisher is qualified, and label it with a qualified or unqualified label as the training set; Obtain the pressure value and the value of the time elapsed since the production date of the fire extinguisher to be detected. Using the pressure value of the fire extinguisher as the abscissa and the value of the time elapsed since the production date of the fire extinguisher as the ordinate, for the pressure value and the value of the time elapsed since the production date of the fire extinguisher to be detected and the pressure values and the values of the time elapsed since the production date of several adjacent fire extinguishers in the training set, according to the proximity distance formula, obtain the proximity distance values. Screen out the minimum proximity distance value from all the proximity distance values, and use the corresponding qualified or unqualified label as the qualified or unqualified label of the fire extinguisher to be detected.

6. The in-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 5, characterized in that, The specific analysis method of the proximity distance formula is as follows: Subtract the abscissa of several adjacent fire extinguishers in the training set from the abscissa of the fire extinguisher to be detected as the abscissa value distance, subtract the ordinate of several adjacent fire extinguishers in the training set from the ordinate of the fire extinguisher to be detected as the ordinate value distance, and take the square root of the sum of the square of the abscissa value distance and the square of the ordinate value distance to obtain the proximity distance value.

7. The in-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 3, characterized in that The specific analysis method of the remaining fire extinguishing agent quantity evaluation value is as follows: Obtain the fire extinguishing agent quantity of the fire extinguisher at different time points, the type of the fire extinguisher, and the model of the fire extinguisher. Obtain the weight of the fire extinguisher container according to the type and model of the fire extinguisher. Based on the fire extinguishing agent quantity of the fire extinguisher at different time points and the weight of the fire extinguisher container, obtain the remaining fire extinguishing agent quantity evaluation value. For a fire extinguisher whose remaining fire extinguishing agent quantity evaluation value is lower than the specified threshold, repair the fire extinguisher. For a fire extinguisher whose remaining fire extinguishing agent quantity evaluation value is not lower than the specified threshold, do not perform any operation. Construct an analysis formula for the remaining fire extinguishing agent quantity evaluation value, and analyze according to it to obtain the remaining fire extinguishing agent quantity evaluation value. The analysis formula for the remaining fire extinguishing agent quantity evaluation value is: In the formula, represents the evaluation value of the remaining extinguishing agent amount of the nth fire extinguisher corresponding to the ith model of the fire extinguisher type numbered m at the pth time point, where m represents the type of fire extinguisher, m = 1, 2, 3,..., m0, m0 represents the total number of fire extinguisher types, n represents the numbering of the fire extinguishers, n = 1, 2, 3,..., n0, n0 represents the total number of fire extinguishers, p represents the numbering of the time point, p = 1, 2, 3,..., q, and q represents the total number of time points. represents the remaining extinguishing agent amount of the nth fire extinguisher corresponding to the fire extinguisher type numbered m at the pth time point. represents the weight of the fire extinguisher container of the ith model corresponding to the fire extinguisher type numbered m, where i represents the model of the fire extinguisher, i = 1, 2, 3,..., i0, and i0 represents the total number of fire extinguisher models.

8. The in-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 3, characterized in that The specific analysis method of the fire extinguisher pressure evaluation value is as follows: Notify the maintenance personnel to pressurize the fire extinguisher, obtain the pressure value and the water level value of the fire extinguisher at different time points, and based on the pressure value and the water level value, obtain the fire extinguisher pressure evaluation value. If the fire extinguisher pressure evaluation value is equal to zero, it indicates that the fire extinguisher bottle body is damaged. If the fire extinguisher pressure evaluation value is equal to one, it indicates that the fire extinguisher bottle body is normal.

9. The internet-based vehicle-mounted mobile fire extinguisher maintenance system according to claim 3, characterized in that, The specific analysis method of the waste powder quality evaluation value is as follows: Obtain the components of the fire extinguisher indicated on the fire extinguisher nameplate and the corresponding proportion of each component. Number the components of the fire extinguisher indicated on the fire extinguisher nameplate. Detect the components of the fire extinguisher indicated on the fire extinguisher nameplate in the waste powder and the corresponding proportion of each component. By comparing the content of each component of the fire extinguisher indicated on the fire extinguisher nameplate with the content of the corresponding component in the waste powder, obtain the waste powder quality evaluation value. Construct an analysis formula for the waste powder quality evaluation value, and analyze according to it to obtain the waste powder quality evaluation value. The analysis formula for the waste powder quality evaluation value is: Wherein, φmn represents the waste powder mass evaluation value of the nth fire extinguisher corresponding to the fire extinguisher type numbered m, f represents the component number of the fire extinguisher marked on the fire extinguisher nameplate, f = 1, 2, 3,..., f0, and f0 represents the total number of component numbers of the fire extinguisher marked on the fire extinguisher nameplate. represents the proportion corresponding to the f-th component of the waste powder of the nth fire extinguisher corresponding to the fire extinguisher type numbered m. represents the proportion corresponding to the f-th component marked on the nameplate of the nth fire extinguisher corresponding to the fire extinguisher type numbered m. represents the weight of the f-th component marked on the nameplate of the nth fire extinguisher corresponding to the fire extinguisher type numbered m in the waste powder mass evaluation value of the fire extinguisher.

10. The in-vehicle mobile fire extinguisher maintenance system based on the Internet according to claim 3, characterized in that, The specific analysis method of the pressure holding time evaluation value is as follows: Obtain the pressure values of the current fire extinguisher at different time points and the pressure holding pressure corresponding to the current fire extinguisher. Obtain the minimum pressure holding pressure that can maintain the normal use of the fire extinguisher based on the pressure holding pressure of the fire extinguisher. Divide the difference between the pressure values at different time points and the minimum pressure holding pressure of the fire extinguisher by the difference between the pressure values at two adjacent time points to obtain the pressure holding time evaluation value. Based on the pressure holding time evaluation value, the serviceable time of the fire extinguisher can be obtained.

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