CN108919733A - A kind of high school chemical experiment security protection system and method - Google Patents
A kind of high school chemical experiment security protection system and method Download PDFInfo
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- CN108919733A CN108919733A CN201810692311.7A CN201810692311A CN108919733A CN 108919733 A CN108919733 A CN 108919733A CN 201810692311 A CN201810692311 A CN 201810692311A CN 108919733 A CN108919733 A CN 108919733A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- 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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
Abstract
The invention discloses a kind of high school chemical experiment security protection systems, center, fire alarm unit are managed including central controller, address code extraction unit, school physician, and equipment and several distributed control nodes are controlled by Zigbee network center Zigbee interconnected, the central controller, address code extraction unit, school physician manage center, fire alarm unit and are connected with center Zigbee control equipment by internet；Pass through the control of node Zigbee equipment, hazardous gas can be extracted in time, convert the air in chemical experiment room, quickly teachers and students is instructed to withdraw, while notice fire department at the first time, it is effective to control gas diffusion range, it is aggrieved that the security protection system reduces teachers and students to greatest extent, hazardous gas spillage accident is efficiently quickly handled, the safety of teachers and students has been ensured, has provided the academic environment of a safety.
Description
Technical field
The present invention relates to security protection systems, and in particular to a kind of high school chemical experiment security protection system and method.
Background technique
Chemistry is the compulsory course of teaching of senior high school, is important one of basic science, is based on testing
Section.However, in current Chemistry Teaching of Senior High School, be still imparted knowledge to students with books based on, teacher is by oral explanation, in conjunction with the figure of books
Piece and text help student to understand, and seldom carry out real chemical experiment, and one of the main reasons is exactly chemical experiment tool
There is certain risk, the personal safety of student may be jeopardized by carrying out real chemical experiment.It is tried in present high middle school chemistry
In testing, it is related to chemical reaction of hazardous gas, such as hydrogen, carbon monoxide, nitric oxide, chlorine etc. there are some, these gas
Body the phenomenon that there are inflammable and explosive and inhalation poisonings, when carrying out chemical experiment, teachers and students' number is more, if dangerous gas is let out
Leakage, need timely and effectively to remove hazardous gas and carry out in time evacuation and rescue needed in addition, gas diffusion is very fast
Notify fire-fighting, timely convenient for being rapidly performed by the control of risk range.
Summary of the invention
The purpose of the present invention is to provide a kind of high school chemical experiment security protection system, reduce to greatest extent teachers and students by
Evil efficiently quickly handles hazardous gas spillage accident, has ensured the safety of teachers and students, provided the academic environment of a safety.
Technical solution provided by the invention at least can solve following technical problem：
1, how quickly to detect hazardous gas and transmit information；
2, how quickly to remove or dilute hazardous gas；
3, how emergent management is carried out to hazardous gas spillage.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of high school chemical experiment security protection system, including central controller, address code extraction unit, school physician control in
The heart, fire alarm unit, and equipment and several distribution controls are controlled by Zigbee network center Zigbee interconnected
Node processed, the central controller, address code extraction unit, school physician manage center, fire alarm unit and center Zigbee
Equipment is controlled to connect by internet；
The distributed control node one-to-one correspondence is mounted in each chemical laboratory；
The distributed control node includes gas detecting instrument, information transmission modular, validation of information module, address code storage
Module, node Zigbee equipment, emergency classification control module, gas extraction module, door and window interlocking module and air conversion module；
Breath confirmation module, address code memory module and the emergency classification control module passes through serial ports connecting node Zigbee and sets
It is standby；
The gas detecting instrument for detecting the gas-composition data in chemical laboratory, and will test data information
It exports to information transmission modular；
The information transmission modular, the detection data information that will acquire are exported to validation of information module；
The validation of information module includes information comparison module and information uploading module；Information comparison module contents
Safety database, gas classification data and gas achievement data are stored in gas safety database, and information comparison module receives
Information transmission modular output detection data information, will test data information first with the gas classification in gas safety database
Data are compared, if comparison result is safe gas class data, terminate guard system unlatching, if comparison result is dangerous gas
Body class data then will test data information and be compared with gas index data, and by hazardous gas comparison information export to
Information uploading module, hazardous gas comparison information be packaged by information uploading module is compressed into compressed package, and compressed package is with the time
Date is named for title, and compressed package is exported to node Zigbee equipment；
The address code memory module, for storing the corresponding address of emergency classification control module in this chemical laboratory
Code；
The node Zigbee equipment provides the channel of data transmission, and connection center Zigbee controls equipment, together
When, as distributed processing node, the compressed package for receiving validation of information module is decompressed, is handled by analysis, issues control
Emergency classification control module is instructed, while obtaining the address code of address code memory module, compressed package and address code are packaged hair
It is sent to central Zigbee control equipment；
The emergency classification control module, the control instruction of receiving node Zigbee equipment, and export control instruction and arrive
Gas extraction module, door and window interlocking module and air conversion module；
The gas extraction module is mounted on above bench for chemistry experiment, according to the control of emergency classification control module output
System instruction extracts the air above experimental bench using vacuum drawn equipment；
The door and window interlocking module, is mounted on chemical laboratory door and window, and door sensor sense is connected on door and window interlocking module
Device is answered, according to the control instruction of emergency classification control module output, door sensor inductor controls door and window；
The air conversion module connects air compressor, and air compressor is mounted on outside chemical experiment room, air pressure
The connection of one end of contracting device and snorkel, the other end of snorkel protrude into chemical experiment room, defeated according to emergency classification control module
Control instruction out, the control of air conversion module open air compressor, the air of compression are quickly transferred to chemical laboratory
It is interior.
Further, the central Zigbee controls equipment, provides the channel of data transmission, connects multiple distributed controlls
Node obtains the data that each distributed control node uploads, is output to central controller.
Further, the central controller, for completing fire alarm unit, school physician manages center and distributed controll section
Interaction between point data, memory system data, and control is carried out to whole system
Further, the address code extraction unit extracts address code from the data packet that central controller exports, and identifies
The corresponding position of emergency classification control module in corresponding chemical laboratory, and send school physician for position and manage center and fire-fighting police
Declaration form member.
Further, the school physician manages center and sets out medical and nursing work personnel in time according to the position of chemical laboratory,
Processing cures hazardous gas and sucks personnel.
Further, the fire alarm unit, including fire-fighting control module, alarm modules, voice broadcast module, fire-fighting
Dial module and school guard center；
The fire-fighting control module sounds an alarm control instruction to alarm modules according to the position of chemical laboratory；
Alarm modules, received alarm control instruction output is alert to voice broadcast module, fire-fighting dial module and school
Defend center；
The voice broadcast module instructs according to the alarm control of alarm modules output, it is wide to play hazardous gas alarm
It broadcasts, teachers and students is instructed to withdraw chemical laboratory；
The fire-fighting dial module instructs according to the alarm control of alarm modules output, dials fire-fighting number, provide danger
The location information of dangerous gas information and chemical laboratory；
Guard staff is set out according to the position of chemical laboratory in the school guard center in time, assists teachers and students
Withdraw the security protection work with fire fighter.
Further, the protection step of the system is：
S1, gas detecting instrument detect that hazardous gas, detection data information are successively pacified with gas by information comparison module
Gas classification data and gas achievement data in full database are compared, and hazardous gas comparison information is exported to node
Zigbee equipment；
S2, node Zigbee equipment are handled by analysis, are issued control instruction to emergency classification control module, are controlled gas
Abstraction module extracts the air above experimental bench using vacuum drawn equipment, controls door and window interlocking module door and window, and control is empty
Gas shift module opens air compressor, and the air of compression is quickly transferred in chemical experiment room, converts chemical experiment in time
Indoor air；Node Zigbee equipment obtains the corresponding address code of emergency classification control module in chemical laboratory simultaneously；
S3, the address code by acquisition, school physician manage center and set out medical and nursing work personnel in time, and hazardous gas is cured in processing
Sucking personnel；Alarm modules sound an alarm control instruction simultaneously, and control voice broadcast module plays hazardous gas alarm broadcast, control
Fire-fighting dial module processed dials fire-fighting number, provides the location information of hazardous gas information and chemical laboratory；In school guard
The heart sets out guard staff according to the position of chemical laboratory in time.
Beneficial effects of the present invention：
(1) for the present invention when system starts work, gas detecting instrument detects that hazardous gas, detection data information pass through letter
Breath comparison module successively in gas safety database gas classification data and gas achievement data be compared, quickly examine
Hazardous gas is measured, and hazardous gas comparison information is exported to node Zigbee equipment, node Zigbee equipment is by analysis
Processing issues control instruction to emergency classification control module；It solves and quickly detects hazardous gas and transmit asking for information
Topic；
(2) control gas extraction module extracts the air above experimental bench using vacuum drawn equipment, removes in time dangerous
Gas protects the safety of teachers and students, controls door and window interlocking module door and window, in time the air in dredging and diluted chemical laboratory,
It is convenient for the escape of teachers and students simultaneously, control air conversion module opens air compressor, the air of compression is quickly transferred to chemistry
In laboratory, the air in chemical experiment room is converted in time；It solves the problems, such as quickly to remove or dilute hazardous gas；
(3) Zigbee equipment obtains the corresponding address code of emergency classification control module in chemical laboratory, passes through acquisition
Address code, school physician manage center and set out medical and nursing work personnel in time, and processing cures hazardous gas and sucks personnel；Alarm modules simultaneously
Control instruction is sounded an alarm, control voice broadcast module plays hazardous gas alarm broadcast, teachers and students is instructed to withdraw chemical laboratory,
Control fire-fighting dial module dials fire-fighting number, provides the location information of hazardous gas information and chemical laboratory, is convenient for fire-fighting
Personnel are quickly found out position；Guard staff is set out according to the position of chemical laboratory in school guard center in time, assists
Teachers and students withdraw the work of the security protection with fire fighter.The system in the processing of hazardous gas accident rapidly and efficiently, maximum limit
The reduction teachers and students of degree are aggrieved, efficiently quickly handle hazardous gas spillage accident, ensured the safety of teachers and students, provided a peace
Full academic environment.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of high school chemical experiment security protection system schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Refering to Figure 1, the present invention be a kind of high school chemical experiment security protection system, including central controller,
Location code extraction unit, school physician manage center, fire alarm unit, and pass through Zigbee network center Zigbee interconnected
Equipment and several distributed control nodes are controlled, the central controller, address code extraction unit, school physician manage center, disappear
Anti- alarm unit is connected with center Zigbee control equipment by internet；
The distributed control node one-to-one correspondence is mounted in each chemical laboratory；
The distributed control node includes gas detecting instrument, information transmission modular, validation of information module, address code storage
Module, node Zigbee equipment, emergency classification control module, gas extraction module, door and window interlocking module and air conversion module；
Breath confirmation module, address code memory module and the emergency classification control module passes through serial ports connecting node Zigbee and sets
It is standby；
The gas detecting instrument for detecting the gas-composition data in chemical laboratory, and will test data information
It exports to information transmission modular；
The information transmission modular, the detection data information that will acquire are exported to validation of information module；
The validation of information module includes information comparison module and information uploading module；Information comparison module contents
Safety database, gas classification data and gas achievement data are stored in gas safety database, and information comparison module receives
Information transmission modular output detection data information, will test data information first with the gas classification in gas safety database
Data are compared, if comparison result is safe gas class data, terminate guard system unlatching, if comparison result is dangerous gas
Body class data then will test data information and be compared with gas index data, and by hazardous gas comparison information export to
Information uploading module, hazardous gas comparison information be packaged by information uploading module is compressed into compressed package, and compressed package is with the time
Date is named for title, and compressed package is exported to node Zigbee equipment；
The address code memory module, for storing the corresponding address of emergency classification control module in this chemical laboratory
Code；
The node Zigbee equipment provides the channel of data transmission, and connection center Zigbee controls equipment, together
When, as distributed processing node, the compressed package for receiving validation of information module is decompressed, is handled by analysis, issues control
Emergency classification control module is instructed, while obtaining the address code of address code memory module, compressed package and address code are packaged hair
It is sent to central Zigbee control equipment；
The emergency classification control module, the control instruction of receiving node Zigbee equipment, and export control instruction and arrive
Gas extraction module, door and window interlocking module and air conversion module；
The gas extraction module is mounted on above bench for chemistry experiment, according to the control of emergency classification control module output
System instruction extracts the air above experimental bench using vacuum drawn equipment, removes hazardous gas in time, protect the safety of teachers and students；
The door and window interlocking module, is mounted on chemical laboratory door and window, and door sensor sense is connected on door and window interlocking module
Device is answered, according to the control instruction of emergency classification control module output, door sensor inductor controls door and window, and dredging chemistry is real in time
The air of room is tested, while being convenient for the escape of teachers and students；
The air conversion module connects air compressor, and air compressor is mounted on outside chemical experiment room, air pressure
The connection of one end of contracting device and snorkel, the other end of snorkel protrude into chemical experiment room, defeated according to emergency classification control module
Control instruction out, the control of air conversion module open air compressor, the air of compression are quickly transferred to chemical laboratory
It is interior, the air in chemical experiment room is converted in time.
The central Zigbee controls equipment, provides the channel of data transmission, connects multiple distributed control nodes, obtain
The data for taking each distributed control node to upload, are output to central controller；
The central controller, for completing fire alarm unit, school physician manages center and distributed control node data
Between interaction, memory system data, and whole system is managed；
The address code extraction unit extracts address code from the data packet that central controller exports, and identifies correspondenceization
The corresponding position of emergency classification control module in laboratory is learned, and sends school physician for position and manages center and fire alarm list
Member；
The school physician manages center, according to the position of chemical laboratory, sets out medical and nursing work personnel in time, processing is cured
Hazardous gas sucks personnel；
The fire alarm unit, including fire-fighting control module, alarm modules, voice broadcast module, fire-fighting dialing mould
Block and school guard center；
The fire-fighting control module sounds an alarm control instruction to alarm modules according to the position of chemical laboratory；
Alarm modules, received alarm control instruction output is alert to voice broadcast module, fire-fighting dial module and school
Defend center；
The voice broadcast module instructs according to the alarm control of alarm modules output, it is wide to play hazardous gas alarm
It broadcasts, teachers and students is instructed to withdraw chemical laboratory；
The fire-fighting dial module instructs according to the alarm control of alarm modules output, dials fire-fighting number, provide danger
The location information of dangerous gas information and chemical laboratory；
Guard staff is set out according to the position of chemical laboratory in the school guard center in time, assists teachers and students
Withdraw the security protection work with fire fighter.
The systematic protection step is：System start work when, gas detecting instrument detects hazardous gas, testing number it is believed that
Breath by information comparison module successively in gas safety database gas classification data and gas achievement data be compared,
And export hazardous gas comparison information to node Zigbee equipment, node Zigbee equipment is handled by analysis, issues control
Emergency classification control module is instructed, control gas extraction module extracts the air above experimental bench using vacuum drawn equipment,
Hazardous gas is removed in time, protects the safety of teachers and students, is controlled door and window interlocking module door and window, is dredged chemical laboratory in time
Air, while being convenient for the escape of teachers and students, control air conversion module opens air compressor, and the air of compression is quickly transferred to
In chemical experiment room, the air in chemical experiment room is converted in time；
Node Zigbee equipment obtains the corresponding address code of emergency classification control module in chemical laboratory simultaneously, by obtaining
The address code taken, school physician manage center and set out medical and nursing work personnel in time, and processing cures hazardous gas and sucks personnel；Alarm simultaneously
Module sounds an alarm control instruction, and control voice broadcast module plays hazardous gas alarm broadcast, instructs teachers and students to withdraw chemical real
Room is tested, control fire-fighting dial module dials fire-fighting number, provides the location information of hazardous gas information and chemical laboratory, be convenient for
Fire fighter is quickly found out position；Guard staff is set out according to the position of chemical laboratory in school guard center in time,
Teachers and students are assisted to withdraw the work of the security protection with fire fighter, reduction teachers and students are aggrieved to greatest extent, efficient quickly processing danger
Dangerous gas leakage accidents have ensured the safety of teachers and students, provide the academic environment of a safety.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (7)
1. a kind of high school chemical experiment security protection system, it is characterised in that：Including central controller, address code extraction unit,
School physician manages center, fire alarm unit, and if by Zigbee network center Zigbee interconnected control equipment with
A dry distributed control node, the central controller, address code extraction unit, school physician manage center, fire alarm unit and
Central Zigbee control equipment is connected by internet；
The distributed control node one-to-one correspondence is mounted in each chemical laboratory；
The distributed control node includes gas detecting instrument, information transmission modular, validation of information module, address code storage mould
Block, node Zigbee equipment, emergency classification control module, gas extraction module, door and window interlocking module and air conversion module；Institute
Breath confirmation module, address code memory module and the emergency classification control module stated pass through serial ports connecting node Zigbee equipment；
The gas detecting instrument for detecting the gas-composition data in chemical laboratory, and will test data information output
To information transmission modular；
The information transmission modular, the detection data information that will acquire are exported to validation of information module；
The validation of information module includes information comparison module and information uploading module；Information comparison module contents safety
Database, gas classification data and gas achievement data are stored in gas safety database, and information comparison module receives information
Transmission module output detection data information, will test data information first with the gas classification data in gas safety database
It is compared, if comparison result is safe gas class data, guard system unlatching is terminated, if comparison result is hazardous gas class
Data then will test data information and be compared with gas index data, and hazardous gas comparison information is exported to information
Uploading module, hazardous gas comparison information be packaged by information uploading module is compressed into compressed package, and compressed package is with Time of Day
It is named for title, compressed package is exported to node Zigbee equipment；
The address code memory module, for storing the corresponding address code of emergency classification control module in this chemical laboratory；
The node Zigbee equipment provides the channel of data transmission, and connection center Zigbee controls equipment, meanwhile, make
For distributed processing node, the compressed package for receiving validation of information module is decompressed, is handled by analysis, is issued control instruction and is arrived
Emergency classification control module, while obtaining the address code of address code memory module, and compressed package and address code transmitted
Zigbee is entreated to control equipment；
The emergency classification control module, the control instruction of receiving node Zigbee equipment, and control instruction is exported to gas
Abstraction module, door and window interlocking module and air conversion module；
The gas extraction module is mounted on above bench for chemistry experiment, is referred to according to the control of emergency classification control module output
It enables, the air above experimental bench is extracted using vacuum drawn equipment；
The door and window interlocking module, is mounted on chemical laboratory door and window, is connected with door sensor inductor on door and window interlocking module,
According to the control instruction of emergency classification control module output, door sensor inductor controls door and window；
The air conversion module connects air compressor, and air compressor is mounted on outside chemical experiment room, air compressor
It is connect with one end of snorkel, the other end of snorkel protrudes into chemical experiment room, according to emergency classification control module output
Control instruction, the control of air conversion module open air compressor, the air of compression are quickly transferred in chemical experiment room.
2. a kind of high school chemical experiment security protection system according to claim 1, it is characterised in that：The center
Zigbee controls equipment, provides the channel of data transmission, connects multiple distributed control nodes, obtain on each distributed control node
The data of biography, are output to central controller.
3. a kind of high school chemical experiment security protection system according to claim 1, it is characterised in that：The center control
Device processed, for completing the interaction between fire alarm unit, school physician control center and distributed control node data, storage system number
According to, and whole system is managed.
4. a kind of high school chemical experiment security protection system according to claim 1, it is characterised in that：The address code
Extraction unit extracts address code from the data packet that central controller exports, and identifies emergency classification control in corresponding chemical laboratory
The corresponding position of molding block, and send school physician for position and manage center and fire alarm unit.
5. a kind of high school chemical experiment security protection system according to claim 1, it is characterised in that：School physician's pipe
Medical and nursing work personnel are set out according to the position of chemical laboratory in control center in time, and processing cures hazardous gas and sucks personnel.
6. a kind of high school chemical experiment security protection system according to claim 1, it is characterised in that：The fire-fighting is alert
Declaration form member, including fire-fighting control module, alarm modules, voice broadcast module, fire-fighting dial module and school guard center；
The fire-fighting control module sounds an alarm control instruction to alarm modules according to the position of chemical laboratory；
Alarm modules, by the instruction output of received alarm control into voice broadcast module, fire-fighting dial module and school guard
The heart；
The voice broadcast module is instructed according to the alarm control of alarm modules output, is played hazardous gas alarm broadcast, is referred to
Chemical laboratory is withdrawn in tutor's life；
The fire-fighting dial module instructs according to the alarm control of alarm modules output, dials fire-fighting number, provide dangerous gas
The location information of body information and chemical laboratory；
Guard staff is set out according to the position of chemical laboratory in the school guard center in time, and teachers and students is assisted to withdraw
Security protection with fire fighter works.
7. a kind of high school chemical experiment safety protecting method according to claim 1, it is characterised in that：The protection of the system
Step is：
S1, gas detecting instrument detect hazardous gas, detection data information by information comparison module successively with gas safety number
According in library gas classification data and gas achievement data be compared, and hazardous gas comparison information is exported to node
Zigbee equipment；
S2, node Zigbee equipment are handled by analysis, are issued control instruction to emergency classification control module, are controlled gas extraction
Module extracts the air above experimental bench using vacuum drawn equipment, controls door and window interlocking module door and window, and control air turns
It changes the mold block and opens air compressor, the air of compression is quickly transferred in chemical experiment room, convert in chemical experiment room in time
Air；Node Zigbee equipment obtains the corresponding address code of emergency classification control module in chemical laboratory simultaneously；
S3, the address code by acquisition, school physician manage center and set out medical and nursing work personnel in time, and hazardous gas sucking is cured in processing
Personnel；Alarm modules sound an alarm control instruction simultaneously, and control voice broadcast module plays hazardous gas alarm broadcast, and control disappears
Anti- dial module dials fire-fighting number, provides the location information of hazardous gas information and chemical laboratory；School guard center, root
According to the position of chemical laboratory, guard staff is set out in time.
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| CN110487963A (en) * | 2019-08-12 | 2019-11-22 | 合肥智圣新创信息技术有限公司 | A kind of Scientific Research in University Laboratory dangerization gas detection method and device based on Internet of Things |
| CN112581711A (en) * | 2020-12-02 | 2021-03-30 | 白秋琳 | Chemical experiment safety protection system and method |
| CN112756031A (en) * | 2020-12-30 | 2021-05-07 | 德州职业技术学院（德州市技师学院） | Chemical experiment protection system |
| CN115953884A (en) * | 2023-03-13 | 2023-04-11 | 山东奥深智能工程有限公司 | Fire control linkage alarm system based on thing networking |
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