CN111818163A - Internet-based laboratory security management cloud system and method - Google Patents
Internet-based laboratory security management cloud system and method Download PDFInfo
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- CN111818163A CN111818163A CN202010655833.7A CN202010655833A CN111818163A CN 111818163 A CN111818163 A CN 111818163A CN 202010655833 A CN202010655833 A CN 202010655833A CN 111818163 A CN111818163 A CN 111818163A
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- H—ELECTRICITY
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- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
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- G05B19/4186—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication by protocol, e.g. MAP, TOP
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Abstract
The invention discloses a laboratory safety management cloud system and a method based on the Internet of things. The single chip microcomputer sends a control instruction to the driving device according to the laboratory environment data, the driving device transmits the control instruction to the execution component, so that the laboratory safety is protected, the cloud server stores the uploaded environment data into the MySQL database, and the displayed environment data are continuously updated in a webpage, so that a manager can conveniently monitor the environment data in a remote and real-time mode. The invention transmits the data obtained by monitoring each hardware to the cloud end through the wireless network for data storage, analysis and processing, and presents the data to the administrator in the form of a webpage, and immediately notifies the administrator of short messages after an accident occurs, thereby having strong reliability, timeliness and safety.
Description
Technical Field
The invention relates to the technical field of laboratory management, in particular to a laboratory safety management cloud system and method based on the Internet of things.
Background
College laboratories are important places for developing scientific research, and the safety of the laboratories is of great importance in relation to personal safety of teachers and students and property safety of high-precision instruments and the like.
Along with the improvement of the openness degree of a laboratory, the scale of the laboratory and the number of teachers and students who enter the laboratory to work and learn are continuously increased, and the entering and exiting of personnel are difficult to control, so that hidden dangers exist. The types and the number of laboratory instruments are greatly increased, borrowing and lending are difficult to count, the liability of troublemakers is difficult to follow once the instruments are damaged, and laboratory safety accidents are easily caused by the damage which is difficult to detect. The self-danger of the experimental instrument and the reasonability of the operation of experimental personnel increase the potential safety hazards of a laboratory such as fire, toxic gas leakage and the like after long-time use and the like.
With the emergence and application of technologies such as the internet of things, the RFID, the artificial intelligence and the like, a plurality of convenient conditions are provided for laboratory management.
Disclosure of Invention
The invention provides a laboratory safety management cloud system and a method based on the internet, which utilize a plurality of sensors to monitor the environmental safety of a laboratory in real time; all data are transmitted to the cloud end by using a WIFI technology, so that accurate real-time and remote monitoring on laboratory safety is realized.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention provides a laboratory safety management cloud system based on the Internet of things, which comprises: the system comprises a single chip microcomputer, a WIFI module, a cloud server, an information acquisition module, a read-write module, a driving device and an execution component;
the information acquisition module and the read-write module are both connected with the single chip microcomputer, the information acquisition module is used for acquiring environmental information in a laboratory, and the read-write module is used for reading information of personnel and equipment in the laboratory;
the WIFI module is connected with the single chip microcomputer and used for transmitting information acquired by the single chip microcomputer to the cloud server;
the cloud server is used for storing and displaying laboratory environment information, laboratory personnel and equipment information;
the driving device is connected with the singlechip and is used for transmitting a control instruction sent by the singlechip to the corresponding execution part;
the execution component is connected with the driving device and is used for executing a control instruction issued by the singlechip;
the single chip microcomputer is used for issuing control instructions according to the acquired laboratory environment information and information of laboratory personnel and equipment.
Furthermore, the information acquisition module comprises an air temperature and humidity sensor, an air quality sensor, a toxic gas sensor, a flame sensor and a leakage detection module;
the air temperature and humidity sensor is used for acquiring air temperature and humidity information in a laboratory in real time and sending the air temperature and humidity information to the single chip microcomputer;
the air quality sensor is used for acquiring air quality information in a laboratory in real time and sending the air quality information to the single chip microcomputer;
the toxic gas sensor is used for collecting whether toxic gas exists in a laboratory in real time and sending the toxic gas to the single chip microcomputer;
the flame sensor is used for acquiring whether flames exist in a laboratory in real time and sending the flames to the single chip microcomputer;
the electric leakage detection module is used for collecting electric leakage information of the laboratory equipment in real time and sending the electric leakage information to the single chip microcomputer.
Further, the air temperature and humidity sensor is a DHT11 digital temperature and humidity sensor; the transmission format of the air temperature and humidity information is 8-bit humidity integer data + 8-bit humidity decimal data + 8-bit temperature integer data + 8-bit temperature decimal data + 8-bit checksum.
Further, the read-write module comprises an MFRC522 read-write module and a KLM900S RFID read-write module;
the MFRC522 read-write module is used for receiving signals of personnel IC cards and 13.56MHz radio frequency key modules, acquiring information of laboratory personnel card numbers and sending the information to the single chip microcomputer;
KLM900S RFID read-write module is used for reading the RFID label that laboratory paraphernalia pasted, acquires laboratory paraphernalia borrowing information and sends to the singlechip.
Further, the control commands comprise a fire extinguishing control command, a ventilation control command, a power on/off control command and a door lock switch control command.
Further, the execution means includes: fire extinguishing apparatus, ventilating apparatus, cut-off apparatus and door locking apparatus;
the fire extinguishing device receives a fire extinguishing control command sent by the driving device and executes fire extinguishing operation;
the ventilation device receives a ventilation control command sent by the driving device and adjusts a switch and a gear;
the power on-off device receives a power on-off control command sent by the driving device and controls the on-off of the electric leakage instrument;
and the door lock device receives a door lock switch control instruction sent by the driving device and controls the closing or opening of the door lock.
Further, the cloud server is provided with a database, a Javaweb back end and a webpage front end, wherein the database is used for storing laboratory environment information, laboratory personnel in-out information and equipment borrowing and lending information;
the Javaweb back end is used for displaying temperature and humidity data in the database in a line graph mode, and displaying equipment borrowing and lending, personnel access data and administrator related information in a webpage in a table mode.
Further, the singlechip is a Loongson 1C singlechip.
The invention provides a laboratory safety management method based on the Internet of things, which comprises the following steps:
the single chip microcomputer acquires the laboratory environment information sent by the information acquisition module and the laboratory personnel and equipment information sent by the read-write module; the laboratory environment information includes: temperature and humidity information, air quality information, toxic gas information, flame information and equipment leakage information in the laboratory; the laboratory personnel and equipment information includes: the method comprises the following steps of (1) obtaining card number information of laboratory personnel and borrowing information of laboratory equipment;
the singlechip sends a control instruction to the driving device according to the acquired information;
the driving device issues the control command to the corresponding execution component for execution.
Further, the sending of the control instruction to the driving device by the single chip according to the acquired information includes:
if the temperature and humidity information in the laboratory exceeds the prediction range, a control instruction for starting the ventilation device is issued to the driving device;
if the toxic gas information value is 1, issuing a control instruction for starting the ventilation device to the driving device, and simultaneously notifying an administrator by using a short message;
if the flame information value is 1, issuing a control instruction for starting the fire extinguishing device to the driving device, and simultaneously notifying an administrator by using a short message;
if the air quality information value is 1, issuing a control instruction for starting the ventilation device to the driving device, and simultaneously notifying an administrator by using a short message;
and if the information of the card number of the laboratory personnel exists in the preset database, issuing a control instruction for starting the relay module to unlock the door lock to the driving device.
Further, the method also comprises the following steps:
the single chip microcomputer uploads the acquired information to a cloud server through the WIFI module;
the cloud server preprocesses the received information and stores the preprocessed information to a MySQL database;
the method comprises the following steps that a Javaweb back end of a cloud server analyzes and processes information in a MySQL database, and the information is displayed in a webpage form; the display content comprises the following steps: humiture data in the laboratory, statistics is borrowed to laboratory personnel business turn over and is borrowed and give out statistics.
The invention achieves the following beneficial effects:
(1) the system provided by the invention utilizes various sensors to measure data in various aspects in a laboratory in real time, so that the safety of the laboratory is ensured.
(2) The system of the invention utilizes the RFID technology to monitor laboratory personnel and instruments in real time, thereby preventing the laboratory instruments from being lost.
(3) The system also transmits the data to the cloud server by using WIFI for data storage, analysis and processing, and displays the data in a webpage form, so that the control mechanism is safer, more flexible and more personalized, and is convenient for an administrator to manage.
Drawings
FIG. 1 is a schematic structural diagram of a laboratory safety management cloud system based on the Internet of things;
FIG. 2 is a flow chart of the laboratory safety management method based on the Internet of things of the invention;
fig. 3 is a web page design diagram of the internet of things-based laboratory security management cloud system of the present invention.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The invention provides a laboratory safety management cloud system based on the Internet of things, which comprises: the system comprises a single chip microcomputer, a WIFI module, a cloud server, an information acquisition module, a read-write module, a driving device and an execution component;
the information acquisition module and the read-write module are both connected with the single chip microcomputer, the information acquisition module is used for acquiring environmental information in a laboratory, and the read-write module is used for reading information of personnel and equipment in the laboratory;
the WIFI module is connected with the single chip microcomputer and used for transmitting information acquired by the single chip microcomputer to the cloud server;
the cloud server is used for storing and displaying laboratory environment information, laboratory personnel and equipment information;
the driving device is connected with the singlechip and is used for transmitting a control instruction sent by the singlechip to the corresponding execution part;
the execution component is connected with the driving device and is used for executing a control instruction issued by the singlechip;
the single chip microcomputer is used for issuing control instructions according to the acquired laboratory environment information and information of laboratory personnel and equipment.
Example 1
The embodiment of the invention provides a laboratory safety management cloud system based on the Internet of things, which comprises a Loongson 1C single chip microcomputer, a WIFI module and a cloud server as shown in figure 1, wherein a data acquisition module for acquiring laboratory environment information comprises: temperature and humidity sensor, air quality sensor, toxic gas sensor, flame sensor and electric leakage detection module for laboratory safety information record's reading module includes: the MFRC522 read-write module and the KLM900S RFID read-write module are used for adjusting a driving device of a laboratory environment and executing components such as a fire extinguishing device, a ventilation device, a power on-off device, a door lock device and the like.
Specifically, the air temperature and humidity sensor is used for collecting air temperature and humidity information of a laboratory in real time and sending the air temperature and humidity information to the Loongson 1C single chip microcomputer.
Preferably, the air temperature and humidity sensor is a DHT11 digital temperature and humidity sensor. The data transmission format is a checksum of 8-bit humidity integer data, 8-bit humidity decimal data, 8-bit temperature integer data, 8-bit temperature decimal data and 8-bit temperature decimal data.
And the toxic gas sensor is used for acquiring whether toxic gas exists in the laboratory in real time and sending the toxic gas to the Loongson 1C singlechip.
Preferably, the toxic gas sensor is an MQ-2 smoke sensor.
Specifically, the flame sensor is used for collecting information whether flame exists in the laboratory in real time and sending the information to the Loongson 1C single chip microcomputer.
Preferably, the flame sensor is an YL-38 flame sensor.
The air quality sensor is used for acquiring whether the air quality in the laboratory is good or not in real time and sending the air quality to the Loongson 1C single chip microcomputer.
Preferably, the air quality sensor is an MQ135 air quality sensor.
Specifically, the electric leakage detection module is used for collecting whether the laboratory equipment has the electric leakage condition in real time and sending the electric leakage information to the Loongson 1C single chip microcomputer. Each laboratory device is provided with a leakage detection module.
Specifically, the MFRC522 read-write module is used for receiving signals of a personnel IC card and a 13.56MHz radio frequency key module, and sending the signals to the loongson 1C single chip microcomputer.
Specifically, the KLM900S RFID read-write module is configured to read an RFID tag attached to a laboratory device, and send RFID tag information to the loongson 1C single chip microcomputer.
Specifically, the loongson 1C single chip microcomputer is used for outputting a control instruction to the driving device according to collected temperature and humidity information, air quality information, toxic gas information, flame information, leakage information and an MFRC522 receiving signal in a laboratory.
Specifically, the control command comprises a fire extinguishing control command, a ventilation control command, a power-on/off control command and a door lock switch control command.
Specifically, the driving device is used for respectively transmitting the control instruction sent by the Loongson 1C singlechip to the fire extinguishing device, the ventilation device, the power on/off device and the door lock device.
Preferably, the driving device comprises a solid-state relay for implementing control of the door lock device and a weak current control strong current for implementing control of the ventilation device and the power on/off device.
The fire extinguishing device receives a fire extinguishing control command sent by the driving device and executes fire extinguishing operation;
the ventilation device receives a ventilation control instruction sent by the driving device, and adjusts a switch and a gear, so as to adjust the temperature, the humidity and the air quality in the laboratory;
and the power on-off device receives the power on-off control command sent by the driving device to carry out on-off control, so that the power off operation of the electric leakage instrument is realized.
And the door lock device receives the door lock switch control instruction sent by the driving device, and performs closing or opening control, so that the door lock is opened and closed.
Specifically, the WiFi module is used for transmitting information acquired by the Loongson 1C single chip microcomputer to the cloud server.
Specifically, the cloud server is provided with a database, a Javaweb rear end and a webpage front end, wherein the database is used for storing laboratory environment information, instrument borrowing and lending information and personnel access information, the Javaweb rear end is used for analyzing and processing the database storage information and displaying the information in a webpage form, and if flame signals, toxic gas signals or air quality information occurs, the information is automatically sent to administrator alarm information.
Example 2
Referring to fig. 2, an embodiment of the present invention provides a laboratory security management method based on the internet of things, including:
(1) based on the Loongson 1C single chip microcomputer, Keil software is used for programming and debugging, so that a temperature and humidity sensor, an air quality sensor, a toxic gas sensor, a flame sensor, an electric leakage detection module, an MFRC522 read-write module, a KLM900S RFID read-write module and a WIFI module can work normally;
(2) the Loongson 1C single chip microcomputer acquires the acquired data of each module and uploads the acquired data to the cloud server through the WIFI module, and temperature and humidity information, air quality information, toxic gas information, flame information, instrument leakage conditions, personnel entry laboratory conditions and instrument borrowing and lending conditions in a current laboratory are stored;
the Loongson 1C single chip microcomputer judges based on the acquired data:
if the temperature and humidity information exceeds the prediction range, a control instruction for starting the ventilation device is issued to the driving device; if the toxic gas information value is 1, issuing a control instruction for starting the ventilation device to the driving device, and simultaneously notifying an administrator by using a short message; if the flame information value is 1, issuing a control instruction for starting the fire extinguishing device to the driving device, and simultaneously notifying an administrator by using a short message; if the air quality information value is 1, issuing a control instruction for starting the ventilation device to the driving device, and simultaneously notifying an administrator by using a short message; if the MFRC522 compares the database with the existing card number, a control instruction for starting the relay module to unlock the door lock is issued to the driving device.
(3) And the cloud server preprocesses the received data and stores the preprocessed data in the MySQL database.
(4) The Javaweb back end displays the temperature and humidity data in the MySQL database by using a line graph, and borrowing and lending of instruments, personnel in and out data and related information of administrators are displayed on a webpage in a table form. The whole webpage is built on a tormacat server and realized by relying on an ubuntu server. As shown in fig. 3, the web page presentation content includes a login interface, a console interface, a personnel access statistics interface, an environment management interface, an instrument borrowing interface, and a user management interface.
In the embodiment of the invention, the environmental parameters of different danger levels are divided, and after a specific level occurs, the Loongson 1C and the cloud server react as follows:
A. open fire extinguishing device, ventilation unit
B. Shut down laboratory power
C. And sending a warning short message to an administrator to prompt where the fire disaster happens.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (11)
1. The utility model provides a laboratory safety management cloud system based on thing networking which characterized in that includes: the system comprises a single chip microcomputer, a WIFI module, a cloud server, an information acquisition module, a read-write module, a driving device and an execution component;
the information acquisition module and the read-write module are both connected with the single chip microcomputer, the information acquisition module is used for acquiring environmental information in a laboratory, and the read-write module is used for reading information of personnel and equipment in the laboratory;
the WIFI module is connected with the single chip microcomputer and used for transmitting information acquired by the single chip microcomputer to the cloud server;
the cloud server is used for storing and displaying laboratory environment information, laboratory personnel and equipment information;
the driving device is connected with the singlechip and is used for transmitting a control instruction sent by the singlechip to the corresponding execution part;
the execution component is connected with the driving device and is used for executing a control instruction issued by the singlechip;
the single chip microcomputer is used for issuing control instructions according to the acquired laboratory environment information and information of laboratory personnel and equipment.
2. The Internet of things-based laboratory safety management cloud system of claim 1, wherein the information acquisition module comprises an air temperature and humidity sensor, an air quality sensor, a toxic gas sensor, a flame sensor and a leakage detection module;
the air temperature and humidity sensor is used for acquiring air temperature and humidity information in a laboratory in real time and sending the air temperature and humidity information to the single chip microcomputer;
the air quality sensor is used for acquiring air quality information in a laboratory in real time and sending the air quality information to the single chip microcomputer;
the toxic gas sensor is used for collecting whether toxic gas exists in a laboratory in real time and sending the toxic gas to the single chip microcomputer;
the flame sensor is used for acquiring whether flames exist in a laboratory in real time and sending the flames to the single chip microcomputer;
the electric leakage detection module is used for collecting electric leakage information of the laboratory equipment in real time and sending the electric leakage information to the single chip microcomputer.
3. The Internet of things-based laboratory safety management cloud system of claim 2, wherein the air temperature and humidity sensor is a DHT11 digital temperature and humidity sensor; the transmission format of the air temperature and humidity information is 8-bit humidity integer data + 8-bit humidity decimal data + 8-bit temperature integer data + 8-bit temperature decimal data + 8-bit checksum.
4. The internet of things-based laboratory security management cloud system of claim 1, wherein said read-write module comprises an MFRC522 read-write module and a KLM900S RFID read-write module;
the MFRC522 read-write module is used for receiving signals of personnel IC cards and 13.56MHz radio frequency key modules, acquiring information of laboratory personnel card numbers and sending the information to the single chip microcomputer;
KLM900S RFID read-write module is used for reading the RFID label that laboratory paraphernalia pasted, acquires laboratory paraphernalia borrowing information and sends to the singlechip.
5. The Internet of things-based laboratory safety management cloud system of claim 1, wherein the control instructions comprise fire extinguishing control instructions, ventilation control instructions, power on and off control instructions, and door lock switch control instructions.
6. The Internet of things-based laboratory security management cloud system of claim 5, wherein said execution component comprises: fire extinguishing apparatus, ventilating apparatus, cut-off apparatus and door locking apparatus;
the fire extinguishing device receives a fire extinguishing control command sent by the driving device and executes fire extinguishing operation;
the ventilation device receives a ventilation control command sent by the driving device and adjusts a switch and a gear;
the power on-off device receives a power on-off control command sent by the driving device and controls the on-off of the electric leakage instrument;
and the door lock device receives a door lock switch control instruction sent by the driving device and controls the closing or opening of the door lock.
7. The internet of things-based laboratory security management cloud system of claim 1, wherein the cloud server is configured with a database, a java web backend and a web page front end, the database being used for storing laboratory environment information, laboratory personnel access information and equipment borrowing and lending information;
the Javaweb back end is used for displaying temperature and humidity data in the database in a line graph mode, and displaying equipment borrowing and lending, personnel access data and administrator related information in a webpage in a table mode.
8. The Internet of things-based laboratory safety management cloud system of any one of claims 1 to 7, wherein the single chip microcomputer is a Loongson 1C single chip microcomputer.
9. A laboratory safety management method based on the Internet of things is characterized by comprising the following steps:
the single chip microcomputer acquires the laboratory environment information sent by the information acquisition module and the laboratory personnel and equipment information sent by the read-write module; the laboratory environment information includes: temperature and humidity information, air quality information, toxic gas information, flame information and equipment leakage information in the laboratory; the laboratory personnel and equipment information includes: the method comprises the following steps of (1) obtaining card number information of laboratory personnel and borrowing information of laboratory equipment;
the singlechip sends a control instruction to the driving device according to the acquired information;
the driving device issues the control command to the corresponding execution component for execution.
10. The laboratory safety management method based on the internet of things of claim 9, wherein the single chip microcomputer issues a control instruction to the driving device according to the acquired information, and the method comprises the following steps:
if the temperature and humidity information in the laboratory exceeds the prediction range, a control instruction for starting the ventilation device is issued to the driving device;
if the toxic gas information value is 1, issuing a control instruction for starting the ventilation device to the driving device, and simultaneously notifying an administrator by using a short message;
if the flame information value is 1, issuing a control instruction for starting the fire extinguishing device to the driving device, and simultaneously notifying an administrator by using a short message;
if the air quality information value is 1, issuing a control instruction for starting the ventilation device to the driving device, and simultaneously notifying an administrator by using a short message;
and if the information of the card number of the laboratory personnel exists in the preset database, issuing a control instruction for starting the relay module to unlock the door lock to the driving device.
11. The method for laboratory security management based on the internet of things according to claim 9, further comprising:
the single chip microcomputer uploads the acquired information to a cloud server through the WIFI module;
the cloud server preprocesses the received information and stores the preprocessed information to a MySQL database;
the method comprises the following steps that a Javaweb back end of a cloud server analyzes and processes information in a MySQL database, and the information is displayed in a webpage form; the display content comprises the following steps: humiture data in the laboratory, statistics is borrowed to laboratory personnel business turn over and is borrowed and give out statistics.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010655833.7A CN111818163A (en) | 2020-07-09 | 2020-07-09 | Internet-based laboratory security management cloud system and method |
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| CN202010655833.7A CN111818163A (en) | 2020-07-09 | 2020-07-09 | Internet-based laboratory security management cloud system and method |
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| CN202010655833.7A Pending CN111818163A (en) | 2020-07-09 | 2020-07-09 | Internet-based laboratory security management cloud system and method |
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