CN106598013B - A kind of piping lane Inner link control device - Google Patents
A kind of piping lane Inner link control device Download PDFInfo
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- CN106598013B CN106598013B CN201710071287.0A CN201710071287A CN106598013B CN 106598013 B CN106598013 B CN 106598013B CN 201710071287 A CN201710071287 A CN 201710071287A CN 106598013 B CN106598013 B CN 106598013B
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- G05B19/00—Programme-control systems
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Abstract
The invention belongs to intelligent comprehensive piping lane technical fields, it is related to a kind of piping lane Inner link control device, main structure includes PLC, CAN bus, air inlet, camera, humiture instrument, air outlet, blower, water pump, tank gage and pipeline valve switch, environmental aspect in PLC real-time monitoring piping lane, temperature and humidity and hydrops depth simultaneously control blower, the movement of water pump and pipeline valve switch, it is no longer rely on that manpower is on duty to control piping lane inside by system interface, it is integrated with the support that battery and computer are not needed when the PLC operation of FLASH, when line fault occurs, also it can guarantee that the component in piping lane runs well, computer is used only to check real time data and historical data, the operation logic and parameter at NCU and scene are set, observe operating status, camera convenient for monitoring piping lane in component and The response time of environment, PLC is fast, eliminates danger in time；Its structure is simple, scientific in principle, it is easy to accomplish, easy to operate, good application effect, use environment close friend.
Description
Technical field:
The invention belongs to intelligent comprehensive piping lane technical fields, are related to a kind of piping lane Inner link control device, in Internet of Things
On the basis of, by being in communication with each other for object between the event coordination component between trigger unit and object, realize unattended piping lane
The automation control of internal part.
Background technique:
Piping lane is the corridor of pipeline, and underground pipe gallery refers in Urban Underground for concentrating laying electric power, communication, broadcast
The public tunnel of the municipal pipelines such as TV, water supply, draining, heating power and combustion gas, by the column of steel construction or reinforced concrete structure,
Crossbeam and truss are constituted, and piping lane can be divided into single-layer or multi-layer by type, transitable or impassabitity；Actively push forward city
The construction of city's underground pipe gallery, plans as a whole the planning, construction and management of all kinds of municipal pipelines, is able to solve repeatedly excavated pavement, frame
The problems such as ceases to be busy net is intensive, pipeline Frequent Accidents, be conducive to ensure urban safety, improve city function, beautifying city landscape,
Promote intensive efficient and Transformation Development the important measure in city, is one of the important infrastructure for building smart city, is state
The people's livelihood engineering that family's emphasis is supported；In June, 2014, State Council issued " General Office of the State Council about reinforce Urban Underground
The instruction of pipeline construction management ", it is indicated that before the end of the year 2015, General Survey for Urban Underground Pipeline is completed, buried pipe is worked out
Line generalization planning, while starting underground pipe gallery pilot project comprehensively in national 36 big and medium-sized cities, plan to build ground in 3 years
389 kilometers of lower pipe gallery；Currently, the whole nation shares 69 cities at about 1000 kilometers of the underground pipe gallery built, future is being tried
On the basis of the successful construction experiences in point city and sample, underground pipe gallery construction is expected to quick copy and is extended to other cities,
Subsequent construction process is expected to accelerate；Due to the particularity of underground pipe gallery, the span of control of piping lane is big, to technology of Internet of things
It is required that relatively high, traditional piping lane monitoring scheme framework is that computer passes through RS232 serial ports connection controller, PID control logic
It is placed on Multimode Control logical process and is completed in monitoring room computer, controller collection site conditions Ambient data simultaneously upload
To computer, follow-up processing flow is determined by computer, assigns control instruction then to control the movement of relevant device, it is such
Control mode there are biggish risk, if computer because of the reason of virus or line traffic failure caused by computer shut down and
File is accidentally artificially deleted, computer system will be made to be unable to operate normally, and restart the computer and be also required to the regular hour,
Traditional control system excessively relies on monitoring room computer.Therefore, mutual between a kind of internal part based on piping lane of R & D design
The linkage control device of the technology of Internet of things of triggering increases piping lane to the processing speed of emergency event, reduces the response time, save
Manpower cost on duty can be handled at the initial stage of emergency event, reduce loss, have good economy and society effect
Benefit, it is very promising.
Summary of the invention:
It is an object of the invention to overcome disadvantage of the existing technology, seek to design a kind of piping lane Inner link control dress
It sets, using the incidence relation between Internet of Things programming technique real time monitoring and analysis component, by between intelligent processing component
The information for being in communication with each other event triggering solves emergency event, meets smart city-wisdom piping lane development trend.
To achieve the goals above, the main structure of piping lane Inner link control device of the present invention include PLC,
CAN bus, air inlet, camera, humiture instrument, air outlet, blower, water pump, tank gage and pipeline valve switch；Piping lane it is every
1 set of piping lane Inner link control device is arranged in a fire compartment, and PLC is arranged in the case on the spot of fire compartment, CAN bus setting
The surrounding of piping lane and the circuit of closure is formed in fire compartment, air inlet is arranged at the top of the inlet of fire compartment, images
The top in fire compartment is arranged in head, and the bottom of fire compartment is arranged in humiture instrument, and fire compartment is arranged in air outlet
At the top of exit, the middle part of fire compartment is arranged in blower, and water pump is arranged in the gutter of fire compartment, and tank gage setting exists
In the catch pit of fire compartment, the longitudinal wall side of fire compartment is arranged in air inlet, humiture instrument and air outlet, and blower is set
It sets in fire compartment longitudinal wall side, the longitudinal wall that fire compartment is arranged in water pump, tank gage and pipeline valve switch is another
Side, the level where horizontal plane and water pump, tank gage and pipeline valve switch where air inlet, humiture instrument and air outlet
Face is parallel；PLC by CAN bus respectively with air inlet, camera, humiture instrument, air outlet, blower, water pump, tank gage and pipe
The electrical connection of line valve switch；Horizontal distance between air inlet and camera is greater than 3 meters, the level between air inlet and air outlet
Distance is greater than 200 meters, and the horizontal distance between water pump and tank gage is greater than 3 meters.
The Master Control Center of PLC and control room of the present invention connect, and are integrated with FLASH, blower, water pump and pipe in PLC
The operation logic and relay protective scheme of line valve switch, the output circuit of PLC are 4 tunnels, and the output electric current of PLC is 16A, and PLC's is defeated
Entering voltage is 24V, and the operating current and quiescent current of PLC is respectively 120mA and 20mA, the communication bus of PLC include C4,
RS485, RS232 and TCP/IP, the state instruction of PLC includes red power supply instruction, green operation indicates and yellow indicating fault,
The contact endurance of PLC is 100,000 times, and the programmable logic number of PLC is 1000 times, and single network installation quantity of PLC is 32, PLC
Communication distance be 0-1200 meter, the traffic rate of PLC is 9600bs, and the operating ambient temperature of PLC is -10-40 DEG C, PLC's
Working relative humidity is that 0-70% does not condense；CAN bus uses the communications cable, and the data transmission distance of CAN bus is 10Km, and CAN is total
The message transmission rate of line is 1Mbit/s, and CAN bus determines to receive or shield the message of the ID according to the ID of message, and message is not
Comprising source address or destination address, functional information and precedence information are only indicated with identifier, CAN bus has reliable wrong
Accidentally processing and error-detection mechanism, node automatically exits from CAN bus when the error occurs, after the information that CAN bus is sent is destroyed
It is automatic to retransmit；Air inlet is that piping lane conveys fresh air, and the supply voltage of air inlet is 220V/50Hz, and the input of air inlet is believed
It number is 4-20mA or 1-5V.DC, the output signal of air inlet is 4-20mA.DC, and the degree of protection of air inlet is IP65, air inlet
Flame proof mark be ExdII BT4, the operating ambient temperature of air inlet is -25-+70 DEG C, the working environment humidity of air inlet≤
95%；Camera is the spherical camera of 220 × 353.4mm of Φ, for shooting the image in piping lane, the image device of camera
For 1/3 inch CCD, the PAL valid pixel of camera is 976H × 582V, and NTSC valid pixel is 976H × 494V, camera
Camera lens be 23 times of zooms, focal length 4-92mm, the minimal illumination of camera includes 0.02Lux/F1.6, AGC ON,
0.0008Lux/F1.6, AGC ON, sensitivity × 256, colour 0.002Lux/F1.6, AGC ON, 0.00008Lux/F1.6,
AGC ON, sensitivity × 256 and black and white 0Lux with IR, the colored horizontal definition of camera are 7000TVL, and black and white is horizontal
Clarity is 750TVL, and the electronic shutter speed of camera is 1-1/10000s, and the signal-to-noise ratio of camera is greater than 50dB, camera
Support dynamic detection, camera is using 16 times of digital zooms, and the infrared radiation distance of camera is 100 meters, the video of camera
Output is 1.0V [p-p]/75 Ω, and the video heads of camera are PAL, NTSC or BNC head, and the control interface of camera is RS-
485, the degree of protection of camera is IP66, and the supply voltage of camera is AC24V, and the power of camera is 30Wmax,
The infrared lamp power of camera is 6Wmax, and the heating power supply power of camera is 9Wmax, and the weight of camera is
5.5kg, the operating ambient temperature of camera are -30-65 DEG C, and the working environment humidity of camera is less than 90%；Humiture instrument prison
Temperature and humidity in test tube corridor, the power supply of humiture instrument are 12VDC or 24VDC, and the outer sensing probe of humiture instrument configures 0.5 meter of mark
Quasi- wiring, the temperature range of humiture instrument are -40-80 DEG C, and the temperature resolution of humiture instrument is 0.1 DEG C, the temperature of humiture instrument
Spending precision is ± 0.5 DEG C, and the humidity range of humiture instrument is 0-100%RH, and the humidity resolution ratio of humiture instrument is 1%RH, temperature
The humidity precision of hygronom is ± 3%RH, and the output electric current of humiture instrument is 4-20mA, and the rated current of humiture instrument is less than
45mA, the operating ambient temperature of humiture instrument are -20-80 DEG C, and the degree of protection of humiture instrument is IP65；Piping lane is discharged in air outlet
Interior exhaust gas and toxic gas, the supply voltage of air outlet are 220V/50Hz, and the input signal of air outlet is 4-20mA or 1-
5V.DC, the output signal of air outlet are 4-20mA.DC, and the degree of protection of air outlet is IP65, and the flame proof mark of air outlet is
ExdII BT4, the operating ambient temperature of air outlet are -25-+70 DEG C, working environment humidity≤95% of air outlet；Blower opens
It closes mode to control including automatically controlling, manually controlling with mechanical emergency, the power of blower is 15KW, and the supply voltage of blower is
220V, the revolving speed of blower are 2800r/min, and the air quantity of blower is 10000m3/ h, the air pressure of blower are 170Pa, the noise of blower
For 80Db/A；Water pump opening/shutting mode includes automatically controlling, manually controlling to be with mechanical emergency control, the supply voltage of water pump
220V, the power of water pump are 1100W, and the suction of water pump is 9 meters, and the lift of water pump is 35 meters, and the flow of water pump is 6 ton/hours,
The bore of water pump is 1.5 cun, and the revolving speed of water pump is 2860r/min, and the pressure switch pressure of water pump is 2.5-3.3pa, water pump
Operating ambient temperature is -2-120 DEG C, high temperature resistant；Tank gage monitors the depth of accumulated water in piping lane, and tank gage measurement range is 0-
200 meters, tank gage measurement accuracy is 0.5%, and the material of tank gage is stainless steel, and the supply voltage of tank gage is 9-36V, liquid level
The output signal of instrument includes 4-20mA, 0-10V and 0-5V, and the measuring medium of tank gage includes water, oil and various liquid；Line valve
The input signal of door switch is 4-20mA, and the output signal of pipeline valve switch is 4-20mA, and degree of protection is IP67 or IP68,
Pipeline valve switch is attached in CAN bus, and the specific setting position of pipeline valve switch is determined according to piping lane design drawing, pipe
Line valve is to have register control and valve position signal transmitter in Electric Actuator containing Electric Actuator electronic valve, is positioned
Controller receives the external control Setting signal of 4-20mA, and valve position signal is programmed for the feedback letter of 4-20mA by valve position signal transmitter
Number, register control is according to the comparison result of external control Setting signal and valve position feedback signal, and output controls forward or reverse automatically
Signal, by driving conversing contactor movement, the motor for making Electric Actuator forward or reverse, realizes opening greatly or opening for valve
Small adjustment.
PLC in use, be mounted on fire compartment entrance just by piping lane Inner link control device of the present invention
In ground case, the PLC of each fire compartment of piping lane is connect with the Master Control Center of control room respectively, PLC is looked into real time by camera
The image for seeing piping lane internal environment, when maintenance personal, which enters piping lane, to construct or repair, exterior technology personnel can be timely
Construction or maintenance process are grasped, construction or maintenance are commanded by communication apparatus, does not need to enter observation inside piping lane, increases work
Make space, reduce risk, when humiture instrument monitors that the temperature and humidity in piping lane is more than critical value, PLC sending alarm is simultaneously timely
Automatic starting blower, blower drive air inlet and air outlet to start to act, and ozone enters piping lane from air inlet, exhaust gas or
Piping lane is discharged from air outlet in toxic gas, and when humiture instrument monitors that the temperature and humidity in piping lane meets setting value, PLC is closed automatically
Blower is closed, blower drives air inlet and air outlet stopping movement, and tank gage monitors that the hydrops depth in piping lane is more than setting
When critical value, PLC issues alarm and timely automated starting water pump is drained, when tank gage monitors the hydrops depth in piping lane
When meeting setting value, water pump is automatically closed in PLC, and the fire alarming value of setting or the flow pressure of CAN bus are reached when humiture instrument
When power reaches the alarming value of setting, PLC opens camera, and starting blower drives air inlet and air outlet to start to act, starts water
Pump close pipeline valve switch, PLC real-time monitoring blower, water pump and pipeline valve switch working condition and status of equipment and on
Master Control Center is reached, air inlet and outlet, blower and water pump can manually or automatically be manipulated by control centre or PLC, is entered the wind
Mouth, air outlet, blower, water pump and pipeline valve switch can independent operating, can also be joined according to pre-set operation program
Dynamic operation is joined by the movement that PLC or control centre can change air inlet and outlet, blower, water pump and pipeline valve switch
Number, when controlling center power loss or breaking down, PLC is unaffected；When burst accident occurs in piping lane, CAN bus can be
Emergency operating process control air inlet and outlet, blower, water pump and the pipeline valve being arranged in 1s by PLC after the accident
Switch gearing operation.
Compared with prior art, the present invention the PLC being arranged in case on the spot according in real-time monitoring piping lane environmental aspect,
The movement of temperature and humidity and the deep-controlled blower of hydrops, water pump and pipeline valve switch, no longer simple passes through by manpower is on duty
System interface controls piping lane inside, is integrated with the support that battery and computer are not needed when the PLC operation of FLASH, hair
When raw line fault, it also can guarantee that the component in piping lane runs well, computer is used only to check real time data and history number
According to the operation logic and parameter of setting NCU (network controller) and scene observe operating status, and camera is convenient for monitoring piping lane
Interior component and environment, the response time of PLC is fast, eliminates danger in time；Its structure is simple, scientific in principle, it is easy to accomplish, operation
Simplicity, good application effect, use environment are friendly.
Detailed description of the invention:
Fig. 1 is main structure schematic illustration of the invention.
Specific embodiment:
The invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1:
The main structure for the piping lane Inner link control device that the present embodiment is related to includes PLC1, CAN bus 2, air inlet
3, camera 4, humiture instrument 5, air outlet 6, blower 7, water pump 8, tank gage 9 and pipeline valve switch 10；Each of piping lane is anti-
1 set of piping lane Inner link control device is arranged in fiery subregion, and fire compartment is arranged on the spot in PLC (programmable logic controller (PLC)) 1
In case, CAN bus 2 is arranged in the surrounding of piping lane in fire compartment and forms the circuit of closure, and air inlet 3 is arranged in fire compartment
Inlet at the top of, the top in fire compartment is arranged in camera 4, and the bottom of fire compartment, outlet air is arranged in humiture instrument 5
Mouth 6 is arranged at the top of the exit of fire compartment, and the middle part of fire compartment is arranged in blower 7, and fire compartment is arranged in water pump 8
In gutter, tank gage 9 is arranged in the catch pit of fire compartment, and air inlet 3, humiture instrument 5 and the setting of air outlet 6 are being prevented fires
The longitudinal wall side of subregion, blower 7 are arranged in fire compartment longitudinal wall side, and water pump 8, tank gage 9 and pipeline valve are opened
Close the 10 longitudinal wall other sides that fire compartment is set, horizontal plane and water where air inlet 3, humiture instrument 5 and air outlet 6
Pump 8, tank gage 9 are parallel with the horizontal plane where pipeline valve switch 10；PLC1 by CAN bus 2 respectively with air inlet 3, take the photograph
As head 4, humiture instrument 5, air outlet 6, blower 7, water pump 8, tank gage 9 and pipeline valve switch 10 are electrically connected；Air inlet 3 with take the photograph
As the horizontal distance between first 4 is greater than 3 meters, the horizontal distance between air inlet 3 and air outlet 6 is greater than 200 meters, water pump 8 and liquid
Horizontal distance between the instrument 9 of position is greater than 3 meters.
The Master Control Center of the PLC1 and control room that the present embodiment is related to connects, be integrated in PLC1 FLASH (storage chip),
The output circuit of the operation logic and relay protective scheme of blower 7, water pump 8 and pipeline valve switch 10, PLC1 is 4 tunnels, and PLC1's is defeated
Electric current is 16A out, and the input voltage of PLC1 is 24V, and the operating current and quiescent current of PLC1 is respectively 120mA and 20mA,
The communication bus of PLC1 includes C4, RS485, RS232 and TCP/IP, and the state instruction of PLC1 includes red power supply instruction, green
Operation instruction and yellow indicating fault, the contact endurance of PLC1 are 100,000 times, and the programmable logic number of PLC1 is 1000 times, PLC1
Single network installation quantity be 32, the communication distance of PLC1 is 0-1200 meter, and the traffic rate of PLC1 is 9600bs, PLC1's
Operating ambient temperature is -10-40 DEG C, and the working relative humidity of PLC1 is that 0-70% does not condense；CAN bus 2 uses the communications cable, CAN
The data transmission distance of bus 2 is 10Km, and the message transmission rate of CAN bus 2 is 1Mbit/s, and CAN bus 2 is according to message
ID determines reception or shields the message of the ID, and message does not include source address or destination address, only indicates that function is believed with identifier
Breath and precedence information, CAN bus 2 have reliable error handle and error-detection mechanism, and node automatically exits from when the error occurs
CAN bus 2, the information that CAN bus 2 is sent are retransmitted automatically after being destroyed；Air inlet 3 is that piping lane conveys fresh air, air inlet
The supply voltage of mouth 3 is 220V/50Hz, and the input signal of air inlet 3 is 4-20mA or 1-5V.DC, the output signal of air inlet 3
For 4-20mA.DC, the degree of protection of air inlet 3 is IP65, and the flame proof mark of air inlet 3 is ExdII BT4, the work of air inlet 3
Making environment temperature is -25-+70 DEG C, working environment humidity≤95% of air inlet 3；Camera 4 is the ball of 220 × 353.4mm of Φ
Shape camera, for shooting the image in piping lane, the image device of camera 4 is 1/3 inch CCD, and the PAL of camera 4 is effective
Pixel is 976H × 582V, and NTSC valid pixel is 976H × 494V, and the camera lens of camera 4 is 23 times of zooms, focal length 4-
92mm, the minimal illumination of camera 4 include 0.02Lux/ (F1.6, AGC ON), 0.0008Lux/ (F1.6, AGC ON, sensitivity
× 256), colour 0.002Lux/ (F1.6, AGC ON), 0.00008Lux/ (F1.6, AGC ON, sensitivity × 256) and black and white
0Lux with IR, the colored horizontal definition of camera 4 are 7000TVL, and black and white horizontal definition is 750TVL, camera 4
Electronic shutter speed be 1-1/10000s, the signal-to-noise ratio of camera 4 is greater than 50dB, and camera 4 supports dynamic detection, camera
4 using 16 times of digital zooms, and the infrared radiation distance of camera 4 is 100 meters, the video output of camera 4 be 1.0V [p-p]/
75 Ω, the video heads of camera 4 are PAL, NTSC or BNC head, and the control interface of camera 4 is RS-485, the protection of camera 4
Grade is IP66, and the supply voltage of camera 4 is AC24V, and the power of camera 4 is 30Wmax, the infrared lamp of camera 4
Power is 6Wmax, and the heating power supply power of camera 4 is 9Wmax, and the weight of camera 4 is 5.5kg, the work of camera 4
Making environment temperature is -30-65 DEG C, and the working environment humidity of camera 4 is less than 90%；Humiture instrument 5 monitors warm and humid in piping lane
Degree, the power supply of humiture instrument 5 are 12VDC or 24VDC, and the outer sensing probe of humiture instrument 5 configures 0.5 meter of standard wiring, warm and humid
The temperature range for spending instrument 5 is -40-80 DEG C, and the temperature resolution of humiture instrument 5 is 0.1 DEG C, and the temperature accuracy of humiture instrument 5 is
± 0.5 DEG C, the humidity range of humiture instrument 5 is 0-100%RH, and the humidity resolution ratio of humiture instrument 5 is 1%RH, humiture instrument 5
Humidity precision be ± 3%RH, the output electric current of humiture instrument 5 is 4-20mA, and the rated current of humiture instrument 5 is less than 45mA,
The operating ambient temperature of humiture instrument 5 is -20-80 DEG C, and the degree of protection of humiture instrument 5 is IP65；Air outlet 6 is discharged in piping lane
Exhaust gas and toxic gas, the supply voltage of air outlet 6 is 220V/50Hz, and the input signal of air outlet 6 is 4-20mA or 1-
5V.DC, the output signal of air outlet 6 are 4-20mA.DC, and the degree of protection of air outlet 6 is IP65, the flame proof mark of air outlet 6
For ExdII BT4, the operating ambient temperature of air outlet 6 is -25-+70 DEG C, working environment humidity≤95% of air outlet 6；Blower
7 opening/shutting mode is controlled including automatically controlling, manually controlling with mechanical emergency, and the power of blower 7 is 15KW, the power supply of blower 7
Voltage is 220V, and the revolving speed of blower 7 is 2800r/min, and the air quantity of blower 7 is 10000m3/ h, the air pressure of blower 7 are 170Pa,
The noise of blower 7 is 80Db/A；8 opening/shutting mode of water pump is controlled including automatically controlling, manually controlling with mechanical emergency, water pump 8
Supply voltage is 220V, and the power of water pump 8 is 1100W, and the suction of water pump 8 is 9 meters, and the lift of water pump 8 is 35 meters, water pump 8
Flow is 6 ton/hours, and the bore of water pump 8 is 1.5 cun, and the revolving speed of water pump 8 is 2860r/min, the pressure switch pressure of water pump 8
For 2.5-3.3pa, the operating ambient temperature of water pump 8 is -2-120 DEG C, high temperature resistant；Tank gage 9 monitors the depth of accumulated water in piping lane,
9 measurement range of tank gage is 0-200 meters, and 9 measurement accuracy of tank gage is 0.5%, and the material of tank gage 9 is stainless steel, tank gage 9
Supply voltage be 9-36V, the output signal of tank gage 9 includes 4-20mA, 0-10V and 0-5V, the measuring medium packet of tank gage 9
Include water, oil and various liquid；The input signal of pipeline valve switch 10 is 4-20mA, and the output signal of pipeline valve switch 10 is
4-20mA, degree of protection are IP67 or IP68, and pipeline valve switch 10 is attached in CAN bus 2, the tool of pipeline valve switch 10
Body is arranged position and is determined according to piping lane design drawing, and pipeline valve is containing Electric Actuator electronic valve, in Electric Actuator
There are register control and valve position signal transmitter, register control receives the external control Setting signal of 4-20mA, and valve position signal is sent
Valve position signal is programmed for the feedback signal of 4-20mA by device (R/I translation circuit), register control according to external control Setting signal and
The comparison result of valve position feedback signal, automatic output control signal forward or reverse, by driving conversing contactor movement, make
Forward or reverse, that realizes valve opens greatly or opens small adjustment to the motor of Electric Actuator.
PLC1 in use, be mounted on fire compartment entrance by the piping lane Inner link control device that the present embodiment is related to
On the spot in case, the PLC1 of each fire compartment of piping lane is connect with the Master Control Center of control room respectively, PLC1 is real by camera 4
When check the image of piping lane internal environment, when maintenance personal, which enters piping lane, to construct or repair, exterior technology personnel can
Construction or maintenance process are grasped in time, and construction or maintenance are commanded by communication apparatus, does not need to enter observation inside piping lane, increases
Working space reduces risk, and when humiture instrument 5 monitors that temperature and humidity in piping lane is more than critical value, PLC1 issues alarm
And timely automated starting blower 7, blower 7 drive air inlet 3 and air outlet 6 to start to act, ozone enters from air inlet 3
Piping lane is discharged from air outlet 6 in piping lane, exhaust gas or toxic gas, when humiture instrument 5 monitors that the temperature and humidity in piping lane meets setting
When value, blower 7 is automatically closed in PLC1, and blower 7 drives air inlet 3 and 6 stopping of air outlet movement, and tank gage 9 monitors in piping lane
Hydrops depth be more than setting critical value when, PLC1 issue alarm and timely automated starting water pump 8 drained, work as tank gage
When the 9 hydrops depth for monitoring in piping lane meet setting value, water pump 8 is automatically closed in PLC1, when humiture instrument 5 reaches the fire of setting
When calamity alarming value or the flow pressure of CAN bus 2 reach the alarming value of setting, PLC1 opens camera 4, and starting blower 7 drives
Air inlet 3 and air outlet 6 start to act, and start water pump 8 and close pipeline valve switch 10, PLC1 real-time monitoring blower 7, water pump
8 and pipeline valve switch 10 working condition and status of equipment and be uploaded to Master Control Center, it is manual by control centre or PLC1
Or air inlet 3, air outlet 6, blower 7 and water pump 8 can be manipulated automatically, air inlet 3, air outlet 6, blower 7, water pump 8 and pipeline
Valve switch 10 can independent operating, also can be according to pre-set operation program coordinated operation, by PLC1 or control
The heart can change the action parameter of air inlet 3, air outlet 6, blower 7, water pump 8 and pipeline valve switch 10, in control center power loss
Or when breaking down, PLC1 is unaffected；When burst accident occurs in piping lane, CAN bus 2 can be in 1s after the accident
It is linked by the emergency operating process control air inlet 3 of PLC1 setting, air outlet 6, blower 7, water pump 8 and pipeline valve switch 10
Operation.
Claims (1)
1. a kind of piping lane Inner link control device, it is characterised in that main structure includes PLC, CAN bus, air inlet, camera shooting
Head, humiture instrument, air outlet, blower, water pump, tank gage and pipeline valve switch；1 casing is arranged in each fire compartment of piping lane
Corridor Inner link control device, PLC are arranged in the case on the spot of fire compartment, and piping lane in fire compartment is arranged in CAN bus
Surrounding and the circuit for forming closure, air inlet are arranged at the top of the inlet of fire compartment, and camera is arranged in fire compartment
Top, the bottom of fire compartment is arranged in humiture instrument, and air outlet is arranged at the top of the exit of fire compartment, blower setting
At the middle part of fire compartment, water pump is arranged in the gutter of fire compartment, and tank gage is arranged in the catch pit of fire compartment,
The longitudinal wall side of fire compartment is arranged in air inlet, humiture instrument and air outlet, and blower is arranged in fire compartment longitudinal direction wall
The longitudinal wall other side of fire compartment, air inlet, temperature and humidity is arranged in body side, water pump, tank gage and pipeline valve switch
Horizontal plane where instrument and air outlet is parallel with the horizontal plane where water pump, tank gage and pipeline valve switch；PLC passes through CAN
Bus is electrically connected with air inlet, camera, humiture instrument, air outlet, blower, water pump, tank gage and pipeline valve switch respectively；
Horizontal distance between air inlet and camera is greater than 3 meters, and the horizontal distance between air inlet and air outlet is greater than 200 meters, water
Horizontal distance between pump and tank gage is greater than 3 meters；The Master Control Center of PLC and control room connects, and is integrated with FLASH, wind in PLC
The output circuit of the operation logic and relay protective scheme of machine, water pump and pipeline valve switch, PLC is 4 tunnels, and the output electric current of PLC is
The input voltage of 16A, PLC are 24V, and the operating current and quiescent current of PLC is respectively 120mA and 20mA, the communication bus of PLC
Including C4, RS485, RS232 and TCP/IP, the state instruction of PLC includes red power supply instruction, green operation instruction and yellow event
Barrier instruction, the contact endurance of PLC are 100,000 times, and the programmable logic number of PLC is 1000 times, and single network installation quantity of PLC is
32, the communication distance of PLC is 0-1200 meters, and the traffic rate of PLC is 9600bs, and the operating ambient temperature of PLC is -10-40
DEG C, the working relative humidity of PLC is that 0-70% does not condense；CAN bus uses the communications cable, and the data transmission distance of CAN bus is
10Km, the message transmission rate of CAN bus are 1Mbit/s, and CAN bus determines to receive or shield the report of the ID according to the ID of message
Text, message do not include source address or destination address, and functional information and precedence information, CAN bus tool are only indicated with identifier
There are reliable error handle and error-detection mechanism, node automatically exits from CAN bus, the information that CAN bus is sent when the error occurs
It is retransmitted automatically after being destroyed；Air inlet is that piping lane conveys fresh air, and the supply voltage of air inlet is 220V/50Hz, air inlet
The input signal of mouth is 4-20mA or 1-5V.DC, and the output signal of air inlet is 4-20mA.DC, and the degree of protection of air inlet is
IP65, the flame proof mark of air inlet are ExdII BT4, and the operating ambient temperature of air inlet is -25-+70 DEG C, the work of air inlet
Ambient humidity≤95%；Camera is the spherical camera of 220 × 353.4mm of Φ, for shooting the image in piping lane, camera
Image device be 1/3 inch CCD, the PAL valid pixel of camera is 976H × 582V, NTSC valid pixel be 976H ×
The camera lens of 494V, camera are 23 times of zooms, and focal length 4-92mm, the minimal illumination of camera includes 0.02Lux/F1.6, AGC
ON, 0.0008Lux/F1.6, AGC ON, sensitivity × 256, colour 0.002Lux/F1.6, AGC ON, 0.00008Lux/
F1.6, AGC ON, sensitivity × 256 and black and white 0Lux with IR, the colored horizontal definition of camera is 7000TVL, black
White level clarity is 750TVL, and the electronic shutter speed of camera is 1-1/10000s, and the signal-to-noise ratio of camera is greater than 50dB,
Camera supports dynamic detection, and camera is using 16 times of digital zooms, and the infrared radiation distance of camera is 100 meters, camera
Video output be 1.0V [p-p]/75 Ω, the video heads of camera are PAL, NTSC or BNC head, and the control interface of camera is
RS-485, the degree of protection of camera are IP66, and the supply voltage of camera is AC24V, and the power of camera is
30Wmax, the infrared lamp power of camera are 6Wmax, and the heating power supply power of camera is 9Wmax, the weight of camera
For 5.5kg, the operating ambient temperature of camera is -30-65 DEG C, and the working environment humidity of camera is less than 90%；Humiture instrument
The temperature and humidity in piping lane is monitored, the power supply of humiture instrument is 12VDC or 24VDC, and the outer sensing probe of humiture instrument configures 0.5 meter
Standard wiring, the temperature range of humiture instrument are -40-80 DEG C, and the temperature resolution of humiture instrument is 0.1 DEG C, humiture instrument
Temperature accuracy is ± 0.5 DEG C, and the humidity range of humiture instrument is 0-100%RH, and the humidity resolution ratio of humiture instrument is 1%RH,
The humidity precision of humiture instrument is ± 3%RH, and the output electric current of humiture instrument is 4-20mA, and the rated current of humiture instrument is less than
45mA, the operating ambient temperature of humiture instrument are -20-80 DEG C, and the degree of protection of humiture instrument is IP65；Piping lane is discharged in air outlet
Interior exhaust gas and toxic gas, the supply voltage of air outlet are 220V/50Hz, and the input signal of air outlet is 4-20mA or 1-
5V.DC, the output signal of air outlet are 4-20mA.DC, and the degree of protection of air outlet is IP65, and the flame proof mark of air outlet is
ExdII BT4, the operating ambient temperature of air outlet are -25-+70 DEG C, working environment humidity≤95% of air outlet；Blower opens
It closes mode to control including automatically controlling, manually controlling with mechanical emergency, the power of blower is 15KW, and the supply voltage of blower is
220V, the revolving speed of blower are 2800r/min, and the air quantity of blower is 10000m3/ h, the air pressure of blower are 170Pa, the noise of blower
For 80Db/A；Water pump opening/shutting mode includes automatically controlling, manually controlling to be with mechanical emergency control, the supply voltage of water pump
220V, the power of water pump are 1100W, and the suction of water pump is 9 meters, and the lift of water pump is 35 meters, and the flow of water pump is 6 ton/hours,
The bore of water pump is 1.5 cun, and the revolving speed of water pump is 2860r/min, and the pressure switch pressure of water pump is 2.5-3.3pa, water pump
Operating ambient temperature is -2-120 DEG C, high temperature resistant；Tank gage monitors the depth of accumulated water in piping lane, and tank gage measurement range is 0-
200 meters, tank gage measurement accuracy is 0.5%, and the material of tank gage is stainless steel, and the supply voltage of tank gage is 9-36V, liquid level
The output signal of instrument includes 4-20mA, 0-10V and 0-5V, and the measuring medium of tank gage includes water, oil and various liquid；Line valve
The input signal of door switch is 4-20mA, and the output signal of pipeline valve switch is 4-20mA, and degree of protection is IP67 or IP68,
Pipeline valve switch is attached in CAN bus, and the specific setting position of pipeline valve switch is determined according to piping lane design drawing, pipe
Line valve is to have register control and valve position signal transmitter in Electric Actuator containing Electric Actuator electronic valve, is positioned
Controller receives the external control Setting signal of 4-20mA, and valve position signal is programmed for the feedback letter of 4-20mA by valve position signal transmitter
Number, register control is according to the comparison result of external control Setting signal and valve position feedback signal, and output controls forward or reverse automatically
Signal, by driving conversing contactor movement, the motor for making Electric Actuator forward or reverse, realizes opening greatly or opening for valve
Small adjustment；In use, PLC is mounted in the case on the spot of fire compartment entrance, by the PLC of each fire compartment of piping lane points
Do not connect with the Master Control Center of control room, PLC by the image of camera real time inspection piping lane internal environment, when maintenance personal into
When entering piping lane and being constructed or repaired, exterior technology personnel can grasp construction or maintenance process in time, be referred to by communication apparatus
Construction or maintenance are waved, does not need to enter observation inside piping lane, increases working space, reduce risk, humiture instrument monitors
When temperature and humidity in piping lane is more than critical value, PLC issues alarm and timely automated starting blower, and blower drives air inlet and outlet air
Mouth starts to act, and ozone enters piping lane, exhaust gas or toxic gas from air inlet and piping lane is discharged from air outlet, works as temperature and humidity
When instrument monitors that the temperature and humidity in piping lane meets setting value, blower is automatically closed in PLC, and blower drives air inlet and air outlet to stop
Movement, when tank gage monitors that the hydrops depth in piping lane is more than the critical value of setting, PLC issues alarm and timely automated starting
Water pump is drained, and when tank gage monitors that the hydrops depth in piping lane meets setting value, water pump is automatically closed in PLC, works as temperature
Hygronom reaches the fire alarming value of setting or when the flow pressure of CAN bus reaches the alarming value of setting, and PLC opens camera shooting
Head, starting blower drive air inlet and air outlet to start to act, and starting water pump closes pipeline valve switch, PLC real-time monitoring wind
Machine, the working condition of water pump and pipeline valve switch and status of equipment are simultaneously uploaded to Master Control Center, pass through control centre or PLC hand
It moves or air inlet and outlet, blower and water pump can be manipulated automatically, air inlet and outlet, blower, water pump and pipeline valve are opened
Close can independent operating, can also be changed according to pre-set operation program coordinated operation by PLC or control centre
The action parameter that air inlet and outlet, blower, water pump and pipeline valve switch, when controlling center power loss or breaking down, PLC
It is unaffected；When burst accident occurs in piping lane, CAN bus can pass through the emergency of PLC setting in 1s after the accident
Run process control air inlet and outlet, blower, water pump and the operation of pipeline valve switch gearing.
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| CN201710071287.0A CN106598013B (en) | 2017-02-09 | 2017-02-09 | A kind of piping lane Inner link control device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108508831A (en) * | 2018-07-02 | 2018-09-07 | 青岛华高物联网科技有限公司 | A kind of intelligent managing and control system of underground pipe gallery |
| CN108628237A (en) * | 2018-07-02 | 2018-10-09 | 青岛华高物联网科技有限公司 | A kind of underground pipe gallery environmental unit operation monitoring system |
| CN108665078A (en) * | 2018-07-02 | 2018-10-16 | 青岛华高物联网科技有限公司 | A kind of underground pipe gallery operation maintenance management system |
| CN108596350A (en) * | 2018-07-02 | 2018-09-28 | 青岛华高物联网科技有限公司 | A kind of underground pipe gallery hand-portable information managing and control system |
| CN108983836A (en) * | 2018-07-26 | 2018-12-11 | 合肥云联电子科技有限公司 | A kind of industrial control equipment interior humidity regulation method based on humidity sensor detection |
| CN110780636A (en) * | 2019-11-27 | 2020-02-11 | 通号万全信号设备有限公司 | Operation and maintenance method for linkage pipe gallery |
| CN111272460B (en) * | 2020-03-25 | 2021-11-30 | 上海欧勋机电工程有限公司 | Exhaust pipe real-time monitoring system |
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