CN113612831B - Public toilet maintenance system and method based on edge calculation - Google Patents
Public toilet maintenance system and method based on edge calculation Download PDFInfo
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- CN113612831B CN113612831B CN202110854209.4A CN202110854209A CN113612831B CN 113612831 B CN113612831 B CN 113612831B CN 202110854209 A CN202110854209 A CN 202110854209A CN 113612831 B CN113612831 B CN 113612831B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to a public washroom maintenance system and a public washroom maintenance method based on edge computing.A sensor is arranged on a public washroom water leakage channel to acquire data, the data is sent to an edge computing gateway for analysis and processing, whether water leakage exists can be detected in real time, water supply is cut off in time, the data is transmitted to cloud service for further analysis, computation and storage, information of equipment damage is sent to early warning to relevant personnel for maintenance through a cloud server, the cloud server can measure and calculate the flow of people in the public washroom through the data, and water supply scheduling can be carried out through people flow monitoring. Compared with the prior art, the intelligent maintenance system has the advantages of effectively realizing intelligent maintenance of public toilets, being rich in functions and the like.
Description
Technical Field
The invention relates to the technical field of maintenance of public toilets, in particular to a public toilet maintenance system and method based on edge calculation.
Background
Through decades of development, the development speed of the internet of things is continuously improved, innovations in technology and application are also endless, and the internet of things is definitely positioned as an important component of a novel infrastructure and becomes a key infrastructure for digital economic development. Due to the rapid development of the internet of things, the traditional cloud computing cannot solve some delay problems well, so that edge computing is introduced to solve the problems, wherein the edge computing refers to processing data at the edge of a network, analyzing and processing the data near a data generation source, the flow of the data is reduced, and further, the network flow and the response time are reduced. In the face of a smart city scene, edge calculation and Internet of things are combined, massive data can be processed, network load is reduced, meanwhile, the data processing capacity of the equipment can be further released, and low delay and position perception can be achieved.
At present, public toilets, such as toilets in shopping malls, parks and scenic spots, even toilets in office buildings and the like face a problem, when equipment such as urinals or hand washing ponds always run water due to faults and the like, and nobody can maintain the equipment in time, the use experience of users is poor, and too much water resources are wasted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a public washroom maintenance system and a public washroom maintenance method based on edge computing, which effectively realize intelligent maintenance and rich functions of the public washroom.
The purpose of the invention can be realized by the following technical scheme:
a public toilet maintenance system based on edge computing comprises a plurality of sensors, an edge computing gateway and a cloud server; the sensors are respectively communicated with the edge computing gateway; the edge computing gateway is communicated with the cloud server;
the sensors are respectively arranged at the drainage pipelines of public bathroom sanitary products and are used for collecting drainage data of the bathroom sanitary products;
the edge computing gateway is used for judging whether the data is normal or abnormal and sending the data to the cloud server;
and the cloud server is used for receiving and storing the data transmitted by the edge computing gateway and analyzing the people flow data aiming at the normal data.
Preferably, the sensors all communicate with the edge computing gateway by using an LPWAN network.
Preferably, the plurality of sensors includes a biosensor, a pressure sensor, and an optical sensor.
Preferably, the drainage data includes drainage pipeline pressure data, liquid composition data and liquid refractive index data.
A maintenance method for the utility toilet maintenance system according to claim 1, the maintenance method comprising:
step 1: the sensor collects the drainage data of the shared bathroom sanitary equipment and sends the drainage data to the edge computing gateway;
step 2: the edge computing gateway judges whether the data is normal or abnormal, if the data is normal, the step 3 is executed, and if the data is abnormal, the step 4 is executed;
and step 3: the edge computing gateway marks a timestamp on the normal data and then sends the normal data to the cloud server, and then the step 5 is executed;
and 4, step 4: the edge computing gateway processes the fault, sends abnormal data, fault equipment information and early warning information to the cloud server, and then executes the step 5;
and 5: the cloud server stores normal data and abnormal data and sends the early warning information to maintenance personnel.
Preferably, the sensor includes a biosensor, a pressure sensor and an optical sensor.
Preferably, the drainage data includes drainage pipeline pressure data, liquid composition data and liquid refractive index data.
Preferably, the sensor and the edge computing gateway communicate by using an LPWAN network.
Preferably, the fault processing in step 4 specifically includes: and if the edge computing gateway judges that the data is abnormal data, the edge computing gateway cuts off water supply at the upper end of the sensor providing the abnormal data and simultaneously prompts equipment failure.
Preferably, the step 5 further comprises:
and the cloud server calculates the people flow conditions at each time interval according to the normal data, and feeds the data back to the water supply center for water supply scheduling.
Compared with the prior art, the invention has the following beneficial effects:
1. the intelligent maintenance of public toilets is realized: in the maintenance system and method for the shared toilet, the cloud server adopts a P2P network technology, each edge computing gateway is a node on the network of the cloud server, sensors connected to the edge computing gateways are nodes of the edge computing gateways, and the cloud server analyzes and calculates received data, so that intelligent maintenance for each shared toilet can be realized.
2. The functions are rich: the maintenance system and the maintenance method for the shared toilets can realize the functions of fault early warning, fault emergency treatment, people flow monitoring and the like for each shared toilet, and can carry out water supply scheduling on the shared toilets after being connected into the existing water supply center system.
Drawings
FIG. 1 is a schematic view showing the construction of a maintenance system for a public lavatory according to the present invention;
FIG. 2 is a schematic flow chart of a maintenance method for a public washroom according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
A public toilet maintenance system based on edge computing is shown in figure 1 and comprises a plurality of sensors, an edge computing gateway and a cloud server, wherein the sensors are respectively communicated with the edge computing gateway, and the edge computing gateway is communicated with the cloud server;
the sensors are respectively arranged at drainage pipelines of public bathroom sanitary products and used for collecting drainage data of the sanitary products, and the sensors are communicated with the edge computing gateway by adopting an LPWAN network;
the sensors comprise a biosensor, a pressure sensor and an optical sensor, and the drainage data comprises drainage pipeline pressure data, liquid composition data and liquid refractive index data;
the edge computing gateway is used for judging whether the data is normal or abnormal and sending the data to the cloud server;
and the cloud server is used for receiving and storing the data transmitted by the edge computing gateway and analyzing the people flow data aiming at the normal data.
The embodiment also relates to a public washroom maintenance method based on edge calculation, which comprises the following steps:
step 1: the method comprises the following steps that a sensor collects drainage data of shared bathroom sanitary equipment and sends the drainage data to an edge computing gateway;
the sensor comprises a biosensor, a pressure sensor and an optical sensor, and the drainage data comprises drainage pipeline pressure data, liquid composition data and liquid refractive index data;
step 2: the edge computing gateway judges whether the data is normal or abnormal, if the data is normal, the step 3 is executed, and if the data is abnormal, the step 4 is executed;
and step 3: the edge computing gateway marks the timestamp of the normal data and sends the normal data to the cloud server, and then step 5 is executed;
and 4, step 4: the edge computing gateway processes the fault, sends abnormal data, fault equipment information and early warning information to the cloud server, and then executes the step 5;
the specific method for fault processing comprises the following steps: if the edge computing gateway judges that the data is abnormal data, water supply at the upper end of a sensor providing the abnormal data is cut off, and equipment failure is prompted;
and 5: the cloud server stores the normal data and the abnormal data, sends the early warning information to maintenance personnel, calculates the people flow conditions in each time period according to the normal data, and feeds the data back to the water supply center for water supply scheduling.
The sensors are arranged at the drainage pipeline of each bathroom product in a public bathroom, the sensors with different functions are arranged on different bathroom products according to the characteristics and application scenes of the bathroom products to collect required data, and different algorithms are arranged on the edge computing gateways of the bathroom products of different types to judge whether the data are abnormal. The sensors in each public washroom area are connected with an edge computing gateway for analyzing and calculating data transmitted by the sensors, and each sensor has an identification ID in a network layer of the edge computing gateway for accurate positioning. Each edge computing gateway is connected with the cloud server and becomes a node in a network layer of the cloud server, the edge computing gateways process abnormal data, and normal data are sent to the cloud server for further analysis and processing.
At present, the bathroom facilities sharing the toilet comprise a urinal, a closestool and a hand washing sink, which correspond to embodiment 1, embodiment 2 and embodiment 3 respectively.
Example 1
For a urinal of a public washroom, a biosensor, a pressure sensor, etc. may be installed at a drain pipe thereunder. If a biosensor is used, the biosensor can be used for detecting whether liquid passing through the water leakage pipeline contains urine, such as components unique to the urine: creatinine, ethyl glucuronide (EtG) and the like, the sensor sends data to the edge computing gateway, the edge computing gateway performs analysis and calculation according to the fed back data, if the liquid contains the components, the urinal is in a using state, a 'normal data' label is marked on the data through a data classification algorithm, the data are sent to a cloud server for further analysis and calculation, and the data classification algorithm can be an SVM (support vector machine) algorithm or an NBC (naive Bayesian classification) algorithm and the like. If do not detect the composition in the liquid and continuation has liquid through exceeding a time quantum of settlement, then indicate that the urinal leaks the phenomenon, if do not have liquid circulation to the drain pipe always, but be in the water supply state always, then indicate that the urinal blocks up the phenomenon, beat "abnormal data" label to this data through data classification algorithm, edge calculation gateway directly carries out the analytical calculation to data this moment, it breaks down to confirm which urinal to break down through node ID, the water supply of this urinal is cut off to the standing horse, the warning light lights and indicates the urinal trouble, send urinal damage information simultaneously and give cloud server, cloud server sends early warning and urinal concrete information and gives maintenance personal, leak or block up the phenomenon to the urinal and maintains. If a pressure sensor is used, data comparison can be carried out by combining an infrared reflection sensor arranged in the existing intelligent urinal, if the pressure sensor always detects water pressure, it is indicated that liquid passes through a drainage pipeline of the urinal, if the infrared reflection sensor of the urinal monitors people at the moment, it is indicated that the urinal is in a normal use state, a normal data label is marked on the data, if the infrared reflection sensor monitors no people and the liquid flow exceeds a set time period, it is indicated that the urinal leaks water, if the infrared reflection sensor monitors people but the drainage pipeline does not detect water pressure, it is indicated that the urinal is blocked, abnormal data labels are marked on the data in both cases, it is determined by node IDs that the urinal breaks down, the water supply of the urinal is cut off, a warning lamp is lightened to indicate that the urinal breaks down, and meanwhile, the warning lamp is fed back to maintenance personnel, and the maintenance of the urinal or the water leakage blocking phenomenon is carried out.
Example 2
For a toilet of a public washroom, a biosensor, a pressure sensor, an optical sensor, etc. may be installed at a lower drain pipe thereof. If the biosensor is used, the biosensor can be used for detecting whether liquid passing through the water leakage pipeline contains urine or massive excrement; if an optical sensor is used to detect the refractive index of the liquid to light, the refractive index of the liquid is significantly reduced if urine or excrement is present. When urine or block excrement is monitored, the toilet bowl is in a using state, a normal data label is marked on the data through a data classification algorithm, the data are sent to a cloud server for further analysis and calculation, the data classification algorithm can be an SVM (support vector machine) algorithm or an NBC (naive Bayesian classification) algorithm and the like, if the urine or the block excrement is not monitored and liquid continuously passes through a drainage pipeline for more than a set time period, the water leakage phenomenon of the toilet bowl is indicated, if the liquid flowing out is not detected but is in a water supply state, the toilet bowl is blocked, an abnormal data label is marked on the data through the data classification algorithm, the edge computing gateway directly analyzes and calculates the data, the toilet bowl is determined to be in fault through a node ID, the water supply of the toilet bowl is immediately cut off, a warning lamp is turned on to indicate the toilet bowl fault, meanwhile, toilet bowl damage information is sent to the cloud server, the cloud server sends early warning and specific information to maintenance personnel, and maintains the water leakage or blockage phenomenon. If a pressure sensor is used, a pressure sensor can be added on a flushing button of a closestool and a drainage pipeline of the closestool at the same time, if the two pressure sensors simultaneously sense the pressure effect, the fact that a person presses the flushing button of the closestool and liquid passes through the drainage pipeline of a urinal is indicated, the closestool is in a normal use state is indicated at the moment, a normal data label is marked on the data, if the pressure sensor on the flushing button of the closestool does not transmit the data, but the pressure sensor on the drainage pipeline transmits the data, the phenomenon of water leakage of the closestool is indicated, if the pressure sensor on the flushing button transmits the data, but the pressure sensor on the drainage pipeline does not transmit the data, the phenomenon of blockage of the closestool is indicated, an abnormal data label is marked on the data, which closestool is determined through a node ID, the closestool is sent back to a maintenance worker, and maintenance is carried out on the closestool.
Example 3
Aiming at the hand washing sink in the public washroom, a pressure sensor and the like can be arranged on a drain pipe of the hand washing sink. If a pressure sensor is used, data comparison can be carried out by combining an infrared reflection sensor matched with an existing automatic induction wash basin, if the pressure sensor detects water pressure all the time, liquid passes through a drainage pipeline of the wash basin, if the infrared reflection sensor of the wash basin detects people at the moment, the wash basin is in a normal use state, a 'normal data' label is marked on the data, if the pressure sensor detects water pressure all the time but the infrared reflection sensor detects no people, and the liquid circulation exceeds a set time period, the water leakage phenomenon of a water pipe of the wash basin is indicated, if the pressure sensor detects no water pressure but the infrared sensor detects people all the time, the blockage phenomenon of the wash basin is indicated, an 'abnormal data' label is marked on the data, which wash basin is in fault is determined through a node ID, the water supply of the wash basin is immediately cut off, a warning lamp is turned on to indicate that the wash basin is in fault, meanwhile, the damage information of the wash basin is sent to a cloud server, and the cloud server sends early warning and the concrete information of the wash basin to maintenance personnel to maintain the wash basin.
In the above three embodiments, the communication between the edge computing gateway and the sensor may be performed by LPWAN (low power wide area network), such as LoRa, NB-IoT, or Sigfox technologies. And the edge computing gateway performs analysis and calculation on the abnormal data and then executes the abnormal data according to a processing scheme set by the algorithm, and if the abnormal data is normal, the edge computing gateway covers a timestamp and sends the abnormal data to the cloud server for further analysis and calculation.
The cloud server receives data transmitted by all the edge computing gateways, each edge computing gateway is a node on the network of the cloud server and has an identification ID, each sensor is a node on the network of the connected edge computing gateway and has an identification ID, the normal data uploaded by the sensors shows that the bathroom product is normally used at the time point by analyzing the data and the time of each edge computing gateway and the sensors connected to the edge computing gateways, the use conditions of all the bathroom products in each public bathroom and the flow of people in each time period can be visually obtained by monitoring all the time periods of all the bathroom products, and the appropriate water supply scheduling can be performed through the data to realize the intelligent management of the public bathroom.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A public toilet maintenance system based on edge computing is characterized by comprising a plurality of sensors, an edge computing gateway and a cloud server; the sensors are respectively communicated with the edge computing gateway; the edge computing gateway is communicated with the cloud server;
the sensors are respectively arranged at the drainage pipelines of the public bathroom sanitary products and are used for collecting drainage data of the sanitary products;
the edge computing gateway is used for judging whether the data is normal or abnormal and sending the data to the cloud server;
the cloud server is used for receiving and storing data transmitted by the edge computing gateway and analyzing the people flow data aiming at normal data;
the method comprises the following steps that a sensor is arranged at a drainage pipeline of each sanitary product in a public toilet, different sanitary products are provided with sensors with different functions according to different characteristics and application scenes to collect required data, and different algorithms are provided for different types of sanitary product edge calculation gateways to judge whether the data are abnormal; each sensor in the public toilet area is connected with an edge computing gateway for analyzing and calculating data transmitted by the sensor, and each sensor has an identification ID in a network layer of the edge computing gateway for accurate positioning;
the sensors comprise a biosensor, a pressure sensor and an optical sensor; the drainage data comprises drainage pipeline pressure data, liquid composition data and liquid refractive index data;
aiming at the bathroom products of the public washrooms, a drainage pipe below the public washrooms is provided with a biosensor and a pressure sensor; if the biosensor is used for detecting whether liquid passing through a water leakage pipeline contains urine, the sensor sends data to the edge computing gateway, the edge computing gateway carries out analysis and calculation according to the fed data, if the liquid contains the urine, the bathroom product is in a using state, a normal data label is marked on the data through a data classification algorithm, and the data are sent to the cloud server for further analysis and calculation; if no urine is detected in the liquid and the liquid continuously passes through the liquid for more than a set time period, indicating that the sanitary product has a water leakage phenomenon, if no liquid flows to a drain pipe all the time but is in a water supply state all the time, indicating that the sanitary product has a blockage phenomenon, marking an abnormal data label on the data through a data classification algorithm, directly analyzing and calculating the data by an edge computing gateway at the moment, determining which sanitary product has a fault through a node ID, immediately cutting off the water supply of the sanitary product, lighting a warning lamp to indicate that the sanitary product has a fault, and sending damage information of the sanitary product to a cloud server, sending early warning and specific information of the sanitary product to maintenance personnel by the cloud server, and maintaining the water leakage or the blockage phenomenon of the sanitary product; if a pressure sensor is used, data comparison is carried out by combining an infrared reflection sensor which is matched with the existing intelligent bathroom product, if the pressure sensor detects water pressure all the time, it is indicated that liquid passes through a drainage pipeline of the bathroom product, if the infrared reflection sensor of the bathroom product monitors that people exist at the moment, it is indicated that the bathroom product is in a normal use state, a normal data label is marked on the data, if the infrared reflection sensor monitors that no people exist and the liquid flows for more than a set time period, it is indicated that the bathroom product has a water leakage phenomenon, if the infrared reflection sensor monitors that people exist but the drainage pipeline does not detect the water pressure, it is indicated that the bathroom product has a blockage phenomenon, the abnormal data label is marked on the data in both cases, it is determined through a node ID that which bathroom product has a fault, the bathroom water supply of the bathroom product is cut off, a warning lamp is turned on to indicate that the bathroom product has a fault, and meanwhile, the abnormal data is fed back to maintenance personnel to maintain the bathroom product with the water leakage or the blockage phenomenon.
2. The utility toilet maintenance system based on edge computing as claimed in claim 1, wherein the sensors are all in communication with the edge computing gateway using LPWAN network.
3. A maintenance method for the public washroom maintenance system according to claim 1, wherein the maintenance method comprises:
step 1: the sensor collects the drainage data of the shared bathroom sanitary equipment and sends the drainage data to the edge computing gateway;
step 2: the edge computing gateway judges whether the data is normal or abnormal, if the data is normal, the step 3 is executed, and if the data is abnormal, the step 4 is executed;
and step 3: the edge computing gateway marks a timestamp on the normal data and then sends the normal data to the cloud server, and then the step 5 is executed;
and 4, step 4: the edge computing gateway processes the fault, sends abnormal data, fault equipment information and early warning information to the cloud server, and then executes the step 5;
and 5: the cloud server stores normal data and abnormal data and sends the early warning information to maintenance personnel.
4. The public washroom maintenance method based on edge calculation as claimed in claim 3, wherein the sensors comprise a biosensor, a pressure sensor and an optical sensor.
5. The utility toilet maintenance method based on edge calculation as claimed in claim 3, wherein the drainage data comprises drainpipe pressure data, liquid composition data and liquid refractive index data.
6. The utility toilet maintenance method based on edge computing as claimed in claim 3, wherein the sensor and the edge computing gateway communicate using LPWAN network.
7. The public washroom maintenance method based on edge calculation as claimed in claim 3, wherein the fault handling in step 4 is specifically: and if the edge computing gateway judges that the data is abnormal data, the edge computing gateway cuts off water supply at the upper end of the sensor providing the abnormal data and simultaneously prompts equipment failure.
8. A public washroom maintenance method based on edge calculation as claimed in claim 3, wherein the step 5 further comprises:
and the cloud server calculates the people flow conditions at each time interval according to the normal data, and feeds the data back to the water supply center for water supply scheduling.
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