CN110097676A - A kind of restricted clearance management of the safe operation system - Google Patents
A kind of restricted clearance management of the safe operation system Download PDFInfo
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- CN110097676A CN110097676A CN201910484100.9A CN201910484100A CN110097676A CN 110097676 A CN110097676 A CN 110097676A CN 201910484100 A CN201910484100 A CN 201910484100A CN 110097676 A CN110097676 A CN 110097676A
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- restricted clearance
- gas
- doorway
- control device
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The present invention discloses a kind of restricted clearance management of the safe operation system, it includes doorway central control device, mobile more gas detectors and the positioning emergency device worn into the staff itself of restricted clearance, doorway central control device is placed in the position for being close to restricted clearance entrance, mobile more gas detectors are placed in the danger zone that detection gas are needed in restricted clearance, positioning emergency device gives doorway central control device with positioning signal for sending an SOS, and is sent to duty room.Doorway central control device of the invention is portable simple, is moved easily；Convenient for entire group company's restricted clearance operation centralized management；Fill up domestic restricted clearance construction operation management default.
Description
Technical field
The invention belongs to technology of instrument and meter field, especially a kind of restricted clearance management of the safe operation system is suitable for
The restricted clearances such as petrochemical industry, urban transportation, mine.
Background technique
Restricted clearance refers to (furnace, tower reactor, tank, storehouse, pond, tank car, pipeline and flue etc.) and city inside the various equipment of factory
Between the tunnel in city (including factory), sewer, ditch, hole, well, pond, culvert, valve and the closing such as sewage treatment facility and semiclosed
Facility and place.The entrance of restricted clearance is often smaller, is generally mostly 60cm diameter, only current for 1 people.In restricted clearance
When generally personnel being forbidden to enter, but constructing or clean, operating personnel is needed to enter processing.Improper ventilation in restricted clearance is easy
Cause the accumulation of toxic, pernicious gas, Dangerous and Harmful Factors are more, be easy to happen safety accident, and operating personnel enter it is rear in danger
Difficulty of suing and labouring is bigger, blindly sues and labours or rescue mode is improper, be easy to that injures and deaths is caused to expand.
The construction operation accident rate of restricted clearance was high in recent years, had accounted in all construction operation accidents very
A big share.For this phenomenon, security departments at different levels increase safety training and management, have formulated many rules and regulations,
But accident is still high-incidence, especially harmful influence industry.To find out its cause, substantially there is following five aspects: (1) restricted clearance enters
Mouth is unable to control, and can not almost be received wireless signal in (2) restricted clearance, can not be carried out continuously gas inside (3) restricted clearance
Detection, (4) restricted clearance scene can not remotely monitor, and (5) are also not excluded for some artificial subjectivities certainly and make a mistake, and there are lucky fiber crops
Numbness psychology, causes the generation of these accidents.
Summary of the invention
To solve above-mentioned difficult point existing for restricted clearance, the present invention provides a kind of restricted clearance management of the safe operation system,
The idea of leaving things to chance of personnel can be effectively eliminated, and supervision can be fulfilled, reduces supervision blind area as much as possible, avoids lucky row
To occur.
To achieve the above object, the present invention adopts the following technical solutions:
A kind of restricted clearance management of the safe operation system, it includes doorway central control device and mobile more detection of gas
Device, doorway central control device are placed in the position for being close to restricted clearance entrance, mobile more gas detectors be placed in by
The danger zone of detection gas is needed in limit space；Doorway central control device includes gate inhibition and electric part, and gate inhibition is non-envelope
Closed form, electric part include entering prohibit card reading, go out gate inhibition's card reading, gate inhibition's driver, infrared inductor, voice prompting device, camera shooting
Head, battery, circuit module, combined aural and visual alarm and mobile alarm switch, enter prohibit card reading and out gate inhibition's card reading be used for enter and go out
It has sensed card when door and has read information in card, gate inhibition's driver is for automatically opening gate inhibition, and infrared inductor for knowing automatically
Other someone close to restricted clearance entrance, voice prompting device for someone close to the entrance of restricted clearance when broadcast caveat
Sentence, camera are in opening state free of discontinuities, are monitored for the entrance to restricted clearance, and battery is used to concentrate to doorway
Control device power supply, combined aural and visual alarm is for (gas concentration to be moved beyond bound, doorway central control device under abnormal conditions
Dynamic and personnel emergency etc.) alarm, mobile alarm switchs the doorway central control device for being fixed on restricted clearance entrance
By mobile alarm, circuit module includes data receipt unit, data transmission unit and main control unit, and data receipt unit is used for
Gas concentration numerical value that mobile more gas detectors send in real time is received, enters and prohibits card reading and gate inhibition's card reading is sent out card reading
Infrared signal, the video of camera and the electricity data of battery that information, infrared inductor are sent, and sent out by data
Unit is sent to be sent to main control unit, main control unit is for the operation of access control driver, voice prompting device casting warning sentence, sound
Light crossing-signal alarm and mobile alarm switch alarm.
Further, it further includes the positioning emergency device worn into the staff itself of restricted clearance, the positioning
The distress signal and positioning signal that emergency device issues are received by doorway central control device, and are sent to duty room.
Further, doorway central control device and mobile more gas detectors and the work people for entering restricted clearance
Internet of Things wireless telecommunications are all made of between the positioning emergency device that member itself wears, realize the data transmit-receive in 30m-100m.
Further, multiple doorway central control devices more gas detectors of self-mobile in future and entrance are limited
Infrared signal, the camera shooting of the signal and built-in infrared inductor of the positioning emergency device that the staff in space itself wears
The alarm signal of video signal and the mobile alarm switch of head is sent to signal tower, these signals are sent to value by signal tower
The rear end pipe platform of class room.
Further, electric part further includes display, and the display is for showing current doorway central control device
It is connected with mobile more gas detectors and enters the quantity for positioning emergency device that the staff itself of restricted clearance wears.
Further, main control unit is run during the working time for access control driver.
Further, mobile more gas detectors include handle, detector, steel plate, wireless telecommunications end, audible-visual alarm lamp
And square box, handle and detector are each attached on steel plate, detector is provided with wireless telecommunications end on one side, detector it is another
While being provided with audible-visual alarm lamp, detector is built-in with terminal board, mainboard, communication board and display module, and square box is connect with steel plate,
The charge port for being provided with battery on one side of square box, the another side of square box are provided with stomata, respectively the gas vent of top and
The air inlet of lower section, square box are built-in with battery, sensor board, electric button, air pump and terminal board, tracheae by air inlet into
The side for entering sensor board leads to one end of air pump by the other side of sensor board, is connected to by the other end of air pump
Gas vent, the sensor board are placed at present there are four different types of sensor, and the later period can consider to increase to eight different types
Sensor.
Further, tracheae is fixed on tracheae support frame, and one end is probeed into restricted clearance by restricted clearance entrance
Portion, the other end are connected on mobile more gas detectors, dense by the gas shown on the mobile more gas detectors of observation
Degree value, it is ensured that be initially opened gas concentration inside the restricted clearance of entrance in safe range.
Further, doorway central control device is Portable movable；Gate inhibition is a metal tube；Mobile more gases
The warning concentration of detector is set in the 10%LEL or less of lower explosion limit.
Further, rear end pipe platform directly generates this according to the main bubbing in a certain restricted clearance of input
The Chemical Safety Data Sheet of gas, the emergency preplan for the gas, the means of escape and be based on the gas institute
Exclusive " restricted clearance job ticket " format.
The utility model has the advantages that
Gas wireless connecting detection may be implemented in the present invention and dynamic remote is controlled；The rights management of restricted clearance entrance and
Warning note；Authorization or unauthorized personnel and period close to restricted clearance, touch infrared induction, rear end pipe platform can prompt
Safety management expert in duty room；Grasp staff's distress signals and location information in restricted clearance；Long distance wireless simple tube
(mobile phones enquiring and warning note can be achieved) in reason；It is avoided by the detection of rights management, alarm, video recording and continuous gas unattended
Blind area subjectivity is made a mistake, and accident is reduced.
Detailed description of the invention
Fig. 1 is doorway central control device placement schematic of the invention；
Fig. 2 is doorway central control device structural schematic diagram of the invention；
Fig. 3 is doorway central control device electric part schematic diagram of the invention；
Fig. 4 is the more gas detector structure schematic diagrames of movable type of the invention；
Fig. 5 integrally places schematic diagram when being first entrance restricted clearance of the invention；
Fig. 6 is that personnel of the invention and more gas detectors enter restricted clearance schematic diagram；
Fig. 7 is that duty room of the invention monitors multiple restricted clearance operation schematic diagrames in real time；
Fig. 8 is of the invention to operation plant area schematic diagram；
In figure: the doorway 1- central control device, 11- gate inhibition, 12- electric part, 120- enter prohibit card reading, 121- goes out gate inhibition
Card reading, 122- gate inhibition's driver, 123- infrared inductor, 124- voice prompting device, 125- camera, 126- battery, 127- electricity
Road module, 1270- data receipt unit, 1271- data transmission unit, 1272- main control unit, 128- combined aural and visual alarm, 129-
The mobile more gas detectors of mobile alarm switch, 2-, 21- handle, 22- detector, 23- steel plate, 24- wireless telecommunications end, 25-
Audible-visual alarm lamp, 26- square box, 27- stomata, 3- positioning emergency device, 4- tracheae support frame, 5- signal tower, 6- duty room.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, left part is restricted clearance, the inside placed No. 1 tank and No. 2 tanks, and what each tank body generated has
Poisonous gas is different, for example that No. 1 tank generates is CH4, and that No. 2 tanks generate is CO, and the restricted clearance lower right corner is only to pass through for 1 people
Entrance can be envisioned as this outlet the circular port of diameter 60cm.Doorway central control device 1 of the invention is just placed in
It is close to the place of the entrance.
As shown in Fig. 2, doorway central control device 1 mainly includes gate inhibition 11 and electric part 12.Due to restricted clearance
Entrance very little, when entrance door is opened, extraneous fresh air can enter in restricted clearance, therefore gate inhibition 11 here
It is not enclosed type, with a metal tube.
As shown in figure 3, the electric part 12 of doorway central control device 1 is core, it mainly include taboo reading of entering
Card 120 goes out gate inhibition's card reading 121, gate inhibition's driver 122, infrared inductor 123, voice prompting device 124, camera 125, battery
126, circuit module 127, combined aural and visual alarm 128 and mobile alarm switch 129.It enters and prohibits card reading 120, go out gate inhibition's card reading 121, is red
Outer inductor 123, camera 125 and battery 126 are all connected to circuit module 127, and circuit module 127 is connected respectively to gate inhibition's drive
Dynamic device 122, voice prompting device 124, combined aural and visual alarm 128 and mobile alarm switch 129.It enters and prohibits card reading 120 and out gate inhibition's reading
Card 121 is for entering and having sensed card when going out and read information in card, and gate inhibition's driver 122 is for automatically opening gate inhibition
11, for automatic identification someone close to the entrance of restricted clearance, voice prompting device 124 leans on infrared inductor 123 for someone
Casting warning sentence when the entrance of nearly restricted clearance, camera 125 is in opening state free of discontinuities, for restricted clearance
Entrance is monitored, and battery 126 is used to power to doorway central control device 1, and combined aural and visual alarm 128 is used under abnormal conditions
The alarm of (gas concentration is moved beyond bound, doorway central control device and personnel cry for help etc.), mobile alarm switch 129
For being fixed on the doorway central control device 1 of restricted clearance entrance by mobile alarm.Circuit module 127 includes successively connecting
Data receipt unit 1270, data transmission unit 1271 and the main control unit 1272 connect.Data receipt unit 1270 is for receiving
Gas concentration numerical value that the more gas detectors 2 of movable type are sent in real time enters and prohibits card reading 120 and gate inhibition's card reading 121 is sent out out
Infrared signal, the video of camera 125 and the electricity of battery 126 of the card reading information, the transmission of infrared inductor 123 sent
Data, and main control unit 1272 is sent to by data transmission unit 1271, main control unit 1272 is used for access control driver
122 operations, the casting warning of voice prompting device 124 sentence, the alarm of sound-light alarm 128 and mobile alarm switch 129 are alarmed.
It enters and prohibits card reading 120 and out gate inhibition's card reading 121, respectively need to brush when entering and going out, 122 meeting of gate inhibition's driver
Automatically open the gate inhibition 11 of metal tube, it is contemplated that the work risk of current petrochemical industry can set the non-working time in software
Section can not brush enabling and prohibit.When entrance of the personnel close to restricted clearance, 123 automatic identification of infrared inductor, while starting language
Sound prompting device 124, voice prompting device 124 broadcast the warning such as " in interior construction, irrelevant personnel please don't be close " sentence, infrared induction
Device 123 identifies that someone can also identify personnel by video monitoring to 6 signal of duty room, the personnel of duty room 6 close to after entrance,
If it is irrelevant personnel, related personnel is notified to expel in time, to accomplish the idea of leaving things to chance of elimination personnel.Data receipt unit
The gas that the more gas detectors 2 of movable type that 1270 received data are mainly located in restricted clearance are regularly sent is dense
Degree value, into the positioning emergency button 3 of staff itself carried device of restricted clearance；Data transmission unit 1271 issues
Data other than receiving the signal come above, further include that the video of camera 125, gate inhibition swipe the card record, battery capacity
And 123 signal of infrared inductor etc..When doorway central control device is after entrance is fixed, start mobile alarm switch 129,
Once the device is moved, the rear end pipe platform of duty room 6 is alarmed and sent data at once.Certainly, in electric part
Display can also be added, it is more to show that current doorway central control device 1 is connected to several movable types altogether on display
The positioning emergency device 3 that gas detector 2 and several staff itself wear.
As shown in figure 4, the top of mobile more gas detectors 2 is handle 21, facilitate staff portable.Handle 21
It with detector 22 is bolted on steel plate 23.The left side of detector 22 is wireless telecommunications end 24, and the right connection is
Audible-visual alarm lamp 25, detector 22 built-in terminal board, mainboard, communication board and display module.Mobile more gas detectors 2
Lower section is square box 26, is needed there are three hole location, it is the charge port of battery, other two is located at right side, is that one, which is located at left side,
Stomata 27, wherein lower section is air inlet, top is gas vent.It placed battery, sensor board, electrical inside square box 26
The electric components such as button, air pump and terminal board.One sensor board can place four different types of sensors, later period meeting at present
Consideration increases to eight dissimilar sensors, and the connection type of tracheae is: ambient atmos pass through 26 lower right-hand side of square box
Injection well enters the sensor board side in square box 26, then air pump one end is led to by the sensor other side, by air pump
The other end is connected to gas vent and sends out outside square box 26.What the more gas detectors of the movable type uniquely needed terminal block is to fill
Wire connecting part, after battery is fully charged, user, which can be taken away, is placed in the danger zone for needing detection gas, booting
It can voluntarily leave later.
As shown in figure 5, when restricted clearance is every for a long time just opening entrance, the inside it is uncertain if appropriate for staff into
Enter, it may be considered that use tracheae support frame 4, the length 5m, 10m etc. of tracheae support frame 4.Tracheae is fixed on tracheae support frame
It on 4, is probeed into inside restricted clearance by restricted clearance entrance, the tracheae other end is to be connected to mobile more gas detectors 2
On, the gas concentration numerical value then shown on the mobile more gas detectors 2 of observation can if gas concentration is in the normal range
Consider that the more gas detectors 2 of movable type for changing other several gases measure, until ensuring that the gas concentration of all measurements is all being pacified
In gamut, work of being allowed for access.Into after restricted clearance, staff can hold mobile more gas detectors 2 on the other hand,
On the other hand hold tracheae support frame 4 continue measure gas concentration should be withdrawn from time if there is alarm.
As shown in fig. 6, these mobile more gas detectors 2 can be placed in after staff enters restricted clearance
Multiple corners of restricted clearance, these mobile more gas detectors 2 periodically can send data to doorway central control device 1,
Here the wireless telecommunications used are the Internet of Things wireless telecommunications newly risen recent years, it can be achieved that the data in 30m-100m are received
Hair.Staff needs to wear positioning emergency device 3 before entering restricted clearance, it is ensured that positioning emergency device 3 must be with doorway collection
Middle control device 1 is allowed for access after being wirelessly connected.When staff does not feel like oneself, the button of positioning emergency device 3, letter are pressed
It number can be received by doorway central control device 1, and be sent to duty room 6.Manpower is deployed by the security official of duty room 6 to rescue in time
It helps.
As shown in fig. 7, when the plant area has multiple restricted clearances that staff is needed to enter work, it can be in multiple restricted clearances
Doorway central control device 1 is placed in front of the door, these doorway central control devices 1 can send the signal to signal tower 5, signal tower 5
These signals can be sent to the rear end pipe platform of duty room 6.The administrative staff having permission can be stepped on by computer and cell phone application
Record rear end pipe platform.Duty room 6 must log in rear end pipe platform, there is safety management expert in duty room 6, and monitoring is existing in time
Field situation so that scientific discovery seeks entry into the irrelevant personnel of restricted clearance, while being grasped gas on-site concentration in real time, grasped existing
The state of field staff, the risk that identification scene is missed by safety custody person by experience deficiency, improves safety management level.It should
Doorway central control device 1 is that Portable movable can be directly door when wherein some restricted clearance inside processing is completed
Mouth central control device 1 is removed, mounted in next wait enter at the restricted clearance doorway of operation.
Following target may be implemented by above-mentioned apparatus:
1. gas wireless continuously detects and dynamic remote is controlled.
2. restricted clearance entrance rights management, warning note.
3. authorization or unauthorized personnel and period close to restricted clearance, touch infrared induction, rear end pipe platform can mention
Indicating value class indoor security managerial expert.
4. grasping staff's distress signals and location information in restricted clearance.
5. (mobile phones enquiring and warning note can be achieved) in long distance wireless simple management.
6. alarm, video recording and continuous gas detect, and unattended blind area subjectivity is avoided to make a mistake by rights management, reduce
Accident occurs.
Under normal conditions, the process to work by petrochemical industry needs constructor when there is some restricted clearance to need to enter work
Member looks for administrative staff to sign " restricted clearance job ticket ", and " restricted clearance job ticket " is only a document, can not show that scene is
No to have safety equipment etc., some outsourcing unit oral commitment Eleabir rigbies are practical not make adequate preparation to save cost,
So administrative staff can allow Field Force existing at signature " restricted clearance job ticket " by our background management platform
The ready equipment in field such as waterproof shield clothes, breathing mask, dust-proof protector, safety cap etc. is shown by camera 125 one by one, is cut
The bright field mounted device of real example is complete, it is ensured that into staff's life security of restricted clearance.
As shown in figure 8, when be precipitated in the restricted clearance inside operation plant area it is toxic, pernicious gas is different when, consider
Optimize the workflow of rear end pipe platform.When a certain restricted clearance needs staff to enter work, input should be by first
Limit space main bubbing, rear end pipe platform directly generate the gas MSDS (Chemical Safety Data Sheet),
For the emergency preplan of the gas, the means of escape and " restricted clearance job ticket " format exclusive based on the gas, apply
The responsible person of work can print out these files of generation, removes " restricted clearance job ticket " and need to sign and confirms outer, and other files can
The scene of taking back is passed round, so that the construction personnel into the restricted clearance understands emergency preplan and fire protection in time.
In order to be further reduced accident, raising safety coefficient can use following measures:
1. entering and leaving the setting of restricted clearance activity duration: 24 hours possible someone of original restricted clearance enter without authorization is changed to 8
Hour work is formed with permission and opens, and the time for entering and leaving restricted clearance passes through access control system and shortens 2/3；Seven days a week, Sunday Saturday
System is closed, and the time shortens 2/5 again.
2. the alarming value of mobile more gas detectors 2 is risen to 10%LEL by original 25%LEL, safety is improved
Manage coefficient.
3. restricted clearance gas detection is increased to seamless continuous detection in 24 hours and dynamic by 8 hour original working time
It grasps, improves safety management coefficient.
4. the infrared induction and warning function of doorway central control device 1 are completely isolated by lack of competence personnel.
Doorway central control device 1 of the invention is portable simple, is moved easily；Convenient for entire group company's restricted clearance work
Industry centralized management；Fill up domestic restricted clearance construction operation management default.
Limiting the scope of the invention, those skilled in the art should understand that, in technical solution of the present invention
On the basis of, the various modifications or variations that can be made by those skilled in the art with little creative work still of the invention
Within protection scope.
Claims (10)
1. a kind of restricted clearance management of the safe operation system, it is characterised in that: it includes doorway central control device (1) and movement
The more gas detectors of formula (2), the doorway central control device (1) is placed in the position for being close to restricted clearance entrance, described
Mobile more gas detectors (2) are placed in the danger zone that detection gas are needed in restricted clearance；The doorway centralized control
Device (1) includes gate inhibition (11) and electric part (12), and gate inhibition (11) is non-close type, and electric part (12) includes taboo reading of entering
Block (120), go out gate inhibition's card reading (121), gate inhibition's driver (122), infrared inductor (123), voice prompting device (124), camera shooting
Head (125), battery (126), circuit module (127), combined aural and visual alarm (128) and mobile alarm switch (129), enter and prohibit card reading
(120) and out gate inhibition's card reading (121) is for entering and having sensed card when going out and read information in card, gate inhibition's driver
(122) for automatically opening gate inhibition (11), infrared inductor (123) is for automatic identification someone close to the discrepancy of restricted clearance
Mouthful, casting warning sentence, camera (125) are in when voice prompting device (124) is used for someone close to the entrance of restricted clearance
Opening state free of discontinuities is monitored for the entrance to restricted clearance, and battery (126) is used for the doorway centralized control
Device (1) power supply, combined aural and visual alarm (128) are used to include that gas concentration is moved beyond bound, doorway central control device (1)
It alarms under abnormal conditions including dynamic and personnel emergency, mobile alarm switch (129) is for being fixed on restricted clearance entrance
For the doorway central control device (1) by mobile alarm, circuit module (127) includes data receipt unit (1270), data
Transmission unit (1271) and main control unit (1272), data receipt unit (1270) is for receiving the more detection of gas of movable type
Gas concentration numerical value that device (2) is sent in real time enters and prohibits card reading (120) and gate inhibition's card reading (121) is sent out card reading information, red
Infrared signal, the video of camera (125) and the electricity data of battery (126) that outer inductor (123) sends, and lead to
It crosses data transmission unit (1271) to be sent to main control unit (1272), main control unit (1272) is used for access control driver
(122) operation, voice prompting device (124) casting warning sentence, combined aural and visual alarm (128) alarm and mobile alarm switch
(129) it alarms.
2. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: it further includes entering to be limited
The positioning that the staff in space itself wears is cried for help device (3), the distress signal and positioning that positioning emergency device (3) issues
Signal is received by doorway central control device (1), and is sent to duty room (6).
3. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: the doorway centralized control
The positioning that device (1) and mobile more gas detectors (2) and the staff itself for entering restricted clearance wear, which is cried for help, to be filled
It sets and is all made of Internet of Things wireless telecommunications between (3), realize the data transmit-receive in 30m-100m.
4. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: concentrate on multiple doorways
What control device (1) the more gas detectors of self-mobile in future (2) and the staff itself for entering restricted clearance wore determines
The video of the signal and the infrared signal of built-in infrared inductor (123) of position emergency device (3), camera (125)
The alarm signal of signal and mobile alarm switch (129) is sent to signal tower (5), these signals are sent to value by signal tower (5)
The rear end pipe platform of class room (6).
5. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: the electric part (12)
It further include display, the display is for showing that current doorway central control device (1) is connected with mobile more detection of gas
The quantity for positioning emergency device (3) that device (2) and the staff itself for entering restricted clearance wear.
6. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: the main control unit
(1272) it is run during the working time for access control driver (122).
7. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: the more gases of movable type
Detector (2) includes handle (21), detector (22), steel plate (23), wireless telecommunications end (24), audible-visual alarm lamp (25) and rectangular
Case (26), handle (21) and detector (22) are each attached on steel plate (23), and detector (22) is provided with wireless telecommunications on one side
It holds (24), the another side of detector (22) is provided with audible-visual alarm lamp (25), and detector (22) is built-in with terminal board, mainboard, leads to
News plate and display module, square box (26) are connect with steel plate (23), the charge port for being provided with battery on one side of square box (26), side
The another side of shape case (26) is provided with stomata (27), respectively the air inlet of the gas vent of top and lower section, in square box (26)
It is equipped with battery, sensor board, electric button, air pump and terminal board, tracheae is entered the side of sensor board by air inlet, passed through
The other side of sensor board leads to one end of air pump, is connected to gas vent by the other end of air pump, which places
There are four or eight different types of sensors.
8. restricted clearance management of the safe operation system according to claim 7, it is characterised in that: the tracheae is fixed on gas
On pipe support frame (4), one end is probeed into inside restricted clearance by restricted clearance entrance, and the other end is connected to mobile more gases
On detector (2), pass through the gas concentration numerical value shown on the mobile more gas detectors (2) of observation, it is ensured that be initially opened out
Gas concentration inside the restricted clearance of entrance is in safe range.
9. restricted clearance management of the safe operation system according to claim 1, it is characterised in that: the doorway centralized control
Device (1) is Portable movable；The gate inhibition (11) is a metal tube；The report of the more gas detectors of movable type (2)
Alert concentration is set in the 10%LEL or less of lower explosion limit.
10. restricted clearance management of the safe operation system according to claim 4, it is characterised in that: the rear end pipe pats
Platform directly generated according to the main bubbing in a certain restricted clearance of input the gas Chemical Safety Data Sheet,
For the emergency preplan of the gas, the means of escape and " restricted clearance job ticket " format exclusive based on the gas.
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| CN201910484100.9A CN110097676A (en) | 2019-06-05 | 2019-06-05 | A kind of restricted clearance management of the safe operation system |
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| CN201910484100.9A CN110097676A (en) | 2019-06-05 | 2019-06-05 | A kind of restricted clearance management of the safe operation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111080975A (en) * | 2019-12-23 | 2020-04-28 | 国家能源集团宁夏煤业有限责任公司 | Method and system for carrying out safety protection on limited space operation |
| CN111275927A (en) * | 2020-02-14 | 2020-06-12 | 石化盈科信息技术有限责任公司 | Security system and safety linkage system in tank body |
| CN111768602A (en) * | 2020-06-30 | 2020-10-13 | 广州中石科技有限公司 | Intelligent safety supervision system and supervision method for operation in limited space |
| CN112581720A (en) * | 2019-09-29 | 2021-03-30 | 中国石油化工股份有限公司 | Intelligent detection and alarm system for operation safety state in limited space |
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Application publication date: 20190806 |