CN106598013A - Gang control device for interior of pipe gallery - Google Patents
Gang control device for interior of pipe gallery Download PDFInfo
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- CN106598013A CN106598013A CN201710071287.0A CN201710071287A CN106598013A CN 106598013 A CN106598013 A CN 106598013A CN 201710071287 A CN201710071287 A CN 201710071287A CN 106598013 A CN106598013 A CN 106598013A
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- piping lane
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 2
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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Abstract
The invention belongs to the technical field of an intelligent comprehensive pipe gallery and relates to a gang control device for interior of a pipe gallery. A main body structure comprises a PLC (Programmable Logic Controller), a CAN bus, an air inlet, a camera, a temperature and humidity meter, an air outlet, a fan, a water pump, a liquid level instrument and a pipeline valve switch, wherein the PLC is used for monitoring the environment condition, temperature, humidity and effusion depth in the pipe gallery in real time and controlling the action of the fan, the water pump and the pipeline valve switch. The manual guard is no longer required; a system interface is utilized to control the interior of the pipe gallery; the PLC integrated with FLASH in a running process requires no support from a battery and a computer; when the line fault occurs, the normal running of the components in the pipe gallery also can be guaranteed; the computer is only used for viewing the real-time data and the historical data; NCU and onsite running logic and parameters are set; the running state can be observed; the camera is used for monitoring the components and environment in the pipe gallery; the response time of the PLC is short; the danger can be eliminated in time; the gang control device has the advantages of simple structure, scientific principle, easiness in realization, simple and convenient operation, good application effect and environment-friendly use.
Description
Technical field：
The invention belongs to intelligent comprehensive piping lane technical field, is 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 thing between the event coordination part between trigger unit and thing, realize unattended piping lane
The Automated condtrol of internal part.
Background technology：
Piping lane is the corridor of pipeline, and underground pipe gallery to be referred to and lay electric power, communication, broadcast for concentration in Urban Underground
The public tunnel of the municipal pipelines such as TV, feedwater, 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 by type single or multiple lift, transitable or impassabitity；Actively push forward city
City's underground pipe gallery is built, and plans as a whole the planning of all kinds of municipal pipelines, builds and manage, and can solve the problem that repeatedly excavated pavement, frame
Ceases to be busy net is intensive, pipeline Frequent Accidents the problems such as, be advantageous for ensure urban safety, improve city function, beautifying city landscape,
Promote the Important Action of the intensive efficient and Transformation Development in city, be one of important infrastructure of construction smart city, be state
The people's livelihood engineering that family's emphasis is supported；In June, 2014, State Council issues《The General Office of the State Council is with regard to strengthening 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, work out buried pipe
Line generalization is planned, while starting underground pipe gallery pilot project comprehensively in national 36 big and medium-sized cities, plans to build ground in 3 years
389 kilometers of lower pipe gallery；At present, the whole nation has 69 cities in about 1000 kilometers of the underground pipe gallery built, following in examination
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,
Follow-up 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 higher, traditional piping lane monitoring scheme framework is that computer connects controller, PID control logic by RS232 serial ports
It is placed on what is completed in Control Room computer with Multimode Control logical process, controller collection site conditions Ambient data are simultaneously uploaded
To computer, follow-up processing flow is determined by computer, then assign control instruction to control the action of relevant device, it is such
There is larger risk in control mode, if computer cause computer to shut down because of virus or the reason for line traffic failure and
Artificially file is deleted by mistake, computer system will be made normally to run, and restart the computer and be also required to the regular hour,
Traditional control system excessively relies on Control Room computer.Therefore, it is 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 processing speed of the piping lane to accident, reduces response time, saves
Manpower cost on duty, can be processed at the initial stage of accident, reduce loss, with good economy and society's effect
Benefit, it is very promising.
The content of the invention：
It is an object of the invention to the shortcoming for overcoming prior art to exist, seeks to design a kind of piping lane Inner link control dress
Put, using the incidence relation between Internet of Things programming technique monitor in real time and analysis component, by between intelligent processing method part
The information for being in communication with each other event triggering solves accident, meets the development trend of smart city-wisdom piping lane.
To achieve these goals, the agent structure of piping lane Inner link control device according to the present invention include PLC,
CAN, air inlet, photographic head, humiture instrument, air outlet, blower fan, water pump, tank gage and pipeline valve switch；Piping lane it is every
Individual fire compartment arranges 1 set of piping lane Inner link control device, and PLC is arranged in the case on the spot of fire compartment, and CAN is arranged
The surrounding of piping lane and the loop of closure is formed in fire compartment, air inlet is arranged on the porch top of fire compartment, shooting
Head is arranged on the top in fire compartment, and humiture instrument is arranged on the bottom of fire compartment, and air outlet is arranged on fire compartment
Exit top, blower fan is arranged on the middle part of fire compartment, and water pump is arranged in the gutter of fire compartment, and tank gage is arranged on
In the catch pit of fire compartment, air inlet, humiture instrument and air outlet are arranged on the longitudinal wall side of fire compartment, and blower fan sets
Put in fire compartment longitudinal wall side, the longitudinal wall that water pump, tank gage and pipeline valve switch is arranged on fire compartment is another
Side, the level that the horizontal plane and water pump, tank gage and pipeline valve switch that air inlet, humiture instrument and air outlet are located is located
Face is parallel；PLC by CAN respectively with air inlet, photographic head, humiture instrument, air outlet, blower fan, water pump, tank gage and pipe
Line valve switch is electrically connected；Horizontal range between air inlet and photographic head is more than 3 meters, the level between air inlet and air outlet
Distance is more than 200 meters, and the horizontal range between water pump and tank gage is more than 3 meters.
PLC according to the present invention is connected with the Master Control Center of control room, and FLASH, blower fan, water pump and pipe are integrated with PLC
The operation logic and relay protective scheme of line valve switch, the output circuit of PLC is 4 tunnels, and the output current of PLC is 16A, and PLC's is defeated
Enter voltage for 24V, the operating current and quiescent current of PLC be respectively the communication bus of 120mA and 20mA, PLC include C4,
RS485, RS232 and TCP/IP, the state instruction of PLC includes that red power supply instruction, green operation are indicated and yellow indicating fault,
The contact endurance of PLC is 100,000 times, and the FPGA number of PLC is 1000 times, and single network installation quantity of PLC is 32, PLC
Communication distance be 0-1200 rice, the traffic rate of PLC is 9600bs, and the operating ambient temperature of PLC is -10-40 DEG C, PLC's
Working relative humidity does not condense for 0-70%；CAN adopts the communications cable, and the data transmission distance of CAN is 10Km, and CAN is total
The message transmission rate of line is 1Mbit/s, and CAN determines the message for receiving or shielding the ID according to the ID of message, and message is not
Comprising source address or destination address, function information and precedence information are only indicated with identifier, CAN has reliable wrong
Process by mistake and error-detection mechanism, node automatically exits from CAN when there is mistake, after the information that CAN sends is destroyed
Automatically 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
Number it is 4-20mA or 1-5V.DC, the output signal of air inlet is 4-20mA.DC, the degree of protection of air inlet is IP65, air inlet
Flame proof be masked as ExdII BT4, the operating ambient temperature of air inlet is -25-+70 DEG C, the working environment humidity of air inlet≤
95%；Photographic head is the spherical camera of 220 × 353.4mm of Φ, for shooting the image in piping lane, the image device of photographic head
For 1/3 inch CCD, the PAL valid pixels of photographic head are 976H × 582V, and NTSC valid pixels are 976H × 494V, photographic head
Camera lens be 23 times of zooms, focal length is 4-92mm, and the minimal illumination of photographic head includes 0.02Lux/F1.6, AGC ON,
0.0008Lux/F1.6, AGC ON, light sensitivitys × 256, colour 0.002Lux/F1.6, AGC ON, 0.00008Lux/F1.6,
AGC ON, light sensitivitys × 256 and black and white 0Lux with IR, the colored horizontal definition of photographic head is 7000TVL, black and white level
Definition is 750TVL, and the electronic shutter speed of photographic head is 1-1/10000s, and the signal to noise ratio of photographic head is more than 50dB, photographic head
Dynamic detection is supported, using 16 times of digital zooms, the infrared radiation distance of photographic head is 100 meters to photographic head, the video of photographic head
1.0V [p-p]/75 Ω is output as, the video heads of photographic head are PAL, NTSC or BNC head, and the control interface of photographic head is RS-
485, the degree of protection of photographic head is IP66, and the supply voltage of photographic head is AC24V, and the power of photographic head is 30Wmax,
The infrared lamp power of photographic head is 6Wmax, and the heating power supply power of photographic head is 9Wmax, and the weight of photographic head is
5.5kg, the operating ambient temperature of photographic head is -30-65 DEG C, and the working environment humidity of photographic head is less than 90%；Humiture instrument is supervised
Humiture in test tube corridor, the power supply of humiture instrument is 12VDC or 24VDC, and the outer sensor probe of humiture instrument configures 0.5 meter of mark
Quasi- wiring, the temperature range of humiture instrument is -40-80 DEG C, and the temperature resolution of humiture instrument is 0.1 DEG C, the temperature of humiture instrument
Degree precision is ± 0.5 DEG C, and the humidity range of humiture instrument is 0-100%RH, and the humidity resolution of humiture instrument is 1%RH, warm
The humidity precision of hygronom is ± 3%RH, and the output 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 is -20-80 DEG C, and the degree of protection of humiture instrument is IP65；Air outlet discharges piping lane
Interior waste gas and toxic gas, the supply voltage of air outlet is 220V/50Hz, and the input signal of air outlet is 4-20mA or 1-
5V.DC, the output signal of air outlet is 4-20mA.DC, and the degree of protection of air outlet is IP65, and the flame proof of air outlet is masked as
ExdII BT4, the operating ambient temperature of air outlet is -25-+70 DEG C, working environment humidity≤95% of air outlet；Blower fan is opened
Closing mode includes automatically controlling, controls manually and mechanical emergency control, and the power of blower fan is 15KW, and the supply voltage of blower fan is
220V, the rotating speed of blower fan is 2800r/min, and the air quantity of blower fan is 10000m3/ h, the air pressure of blower fan is 170Pa, the noise of blower fan
For 80Db/A；Water pump opening/shutting mode includes automatically controlling, controls manually and mechanical emergency control, and the supply voltage of water pump is
220V, the power of water pump is 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 rotating 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；Depth of accumulated water in tank gage monitoring piping lane, tank gage measurement range is 0-
200 meters, tank gage certainty of measurement is 0.5%, and the material of tank gage is rustless 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 measurement medium of tank gage includes water, oily and various liquid；Line valve
The input signal of door trip 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, and the concrete set location of pipeline valve switch determines according to piping lane design drawing, pipe
Line valve is, containing YE electronic valve, there is register control and valve position signal transmitter in YE, positioning
Controller receives the external control Setting signal of 4-20mA, and valve position signal is programmed for valve position signal transmitter the feedback letter of 4-20mA
Number, according to external control Setting signal and the comparative result of valve position feedback signal, automatically output forward or reverse is controlled register control
Signal, by driving conversing contactor action, makes the motor forward or reverse of YE, realizes opening greatly or opening for valve
Little adjustment.
When piping lane Inner link control device according to the present invention is used, PLC is arranged on fire compartment gateway just
In ground case, the PLC of piping lane each fire compartment is connected respectively with the Master Control Center of control room, PLC is looked in real time by photographic head
The image of piping lane internal medium is seen, when maintainer is constructed into piping lane or is keeped in repair, exterior technology personnel can be timely
Grasp construction or keep in repair process, construct or keep in repair by communication apparatus commander, it is not necessary to observe into piping lane inside, increased work
Make space, reduce risk, when humiture instrument monitors that the humiture in piping lane exceedes marginal value, PLC sends warning simultaneously in time
Automatic blower fan, blower fan drives air inlet and air outlet to start action, and ozone enters piping lane from air inlet, waste gas or
Toxic gas discharge piping lane from air outlet, and when the humiture in humiture instrument monitors piping lane meets setting value, PLC is closed automatically
Blower fan is closed, blower fan drives air inlet and air outlet stopping action, tank gage to monitor that the hydrops depth in piping lane exceedes setting
During marginal value, PLC sends warning and timely automated startup water pump carries out draining, and the hydrops depth in piping lane is monitored when tank gage
When meeting setting value, PLC is automatically switched off water pump, when humiture instrument reaches the flow pressure of the fire alarming value of setting or CAN
When power reaches the alarming value of setting, PLC opens photographic head, starts blower fan and drives air inlet and air outlet to start action, starts water
Pump close pipeline valve switch, PLC real-time monitoring blower fans, water pump and pipeline valve switch working condition and status of equipment and on
Master Control Center is reached, air inlet, air outlet, blower fan and water pump, air intake can manually or automatically be manipulated by control centre or PLC
Mouth, air outlet, blower fan, water pump and pipeline valve switch being capable of independent operating, it is also possible to according to the operation program connection for pre-setting
Dynamic operation, by PLC or control centre the action ginseng of air inlet, air outlet, blower fan, water pump and pipeline valve switch can be changed
Number, when controlling center dead electricity or breaking down, PLC is unaffected；When there is burst accident in piping lane, CAN can be
Emergency operating programme-control air inlet, air outlet, blower fan, water pump and the pipeline valve arranged by PLC in 1s after accident generation
Switch gearing runs.
The present invention compared with prior art, be arranged on the PLC in case on the spot according to the environmental aspect in real-time monitoring piping lane,
The action of humiture and hydrops severity control blower fan, water pump and pipeline valve switch, no longer simple dependence manpower is on duty to be passed through
System interface is controlled to piping lane inside, and the PLC for being integrated with FLASH does not need the support of battery and computer when running, send out
During raw line fault, also can guarantee that the part in piping lane runs well, computer is used only to check real time data and history number
According to, the operation logic and parameter at NCU (network controller) and scene are set, running status is observed, photographic head is easy to monitor piping lane
Interior part and environment, the response time of PLC is fast, eliminates danger in time；Its simple structure, scientific in principle, it is easy to accomplish, operation
Simplicity, application effect is good, and use environment is friendly.
Description of the drawings：
Fig. 1 is the agent structure principle schematic of the present invention.
Specific embodiment：
Below by embodiment and combine accompanying drawing the invention will be further described.
Embodiment 1：
The agent structure of the piping lane Inner link control device that the present embodiment is related to includes PLC1, CAN 2, air inlet
3rd, photographic head 4, humiture instrument 5, air outlet 6, blower fan 7, water pump 8, tank gage 9 and pipeline valve switch 10；Each of piping lane is prevented
Fiery subregion arranges 1 set of piping lane Inner link control device, and PLC (programmable logic controller (PLC)) 1 is arranged on fire compartment on the spot
In case, CAN 2 is arranged on the surrounding of piping lane in fire compartment and forms the loop of closure, and air inlet 3 is arranged on fire compartment
Porch top, photographic head 4 is arranged on the top in fire compartment, and humiture instrument 5 is arranged on the bottom of fire compartment, air-out
Mouth 6 is arranged on the exit top of fire compartment, and blower fan 7 is arranged on the middle part of fire compartment, and water pump 8 is arranged on fire compartment
In gutter, tank gage 9 is arranged in the catch pit of fire compartment, and air inlet 3, humiture instrument 5 and air outlet 6 are arranged on fire prevention
The longitudinal wall side of subregion, blower fan 7 is arranged on fire compartment longitudinal wall side, and water pump 8, tank gage 9 and pipeline valve are opened
The 10 longitudinal wall opposite sides for being arranged on fire compartment are closed, horizontal plane and water that air inlet 3, humiture instrument 5 and air outlet 6 are located
The plane-parallel that pump 8, tank gage 9 and pipeline valve switch 10 is located；PLC1 by CAN 2 respectively with air inlet 3, take the photograph
Picture 4, humiture instrument 5, air outlet 6, blower fan 7, water pump 8, tank gage 9 and pipeline valve switch 10 is electrically connected；Air inlet 3 with take the photograph
As the horizontal range between 4 is more than 3 meters, the horizontal range between air inlet 3 and air outlet 6 is more than 200 meters, water pump 8 and liquid
Horizontal range between the instrument 9 of position is more than 3 meters.
The PLC1 that the present embodiment is related to is connected with the Master Control Center of control room, be integrated with PLC1 FLASH (storage chip),
The operation logic and relay protective scheme of blower fan 7, water pump 8 and pipeline valve switch 10, the output circuit of PLC1 is 4 tunnels, and PLC1's is defeated
It is 16A to go out electric current, and the input voltage of PLC1 is 24V, and the operating current and quiescent current of PLC1 are 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 indicates and yellow indicating fault that the contact endurance of PLC1 is 100,000 times, and the FPGA number of PLC1 is 1000 times, PLC1
Single network installation quantity be 32, the communication distance of PLC1 is 0-1200 rice, 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 does not condense for 0-70%；CAN 2 adopts the communications cable, CAN
The data transmission distance of bus 2 is 10Km, and the message transmission rate of CAN 2 is 1Mbit/s, and CAN 2 is according to message
ID determines the message for receiving or shielding the ID, and message only indicates that function is believed not comprising source address or destination address with identifier
Breath and precedence information, CAN 2 has reliable fault processing and error-detection mechanism, and node is automatically exited from when there is mistake
CAN 2, the information that CAN 2 sends is retransmitted automatically after being destroyed；Air inlet 3 is that piping lane conveys fresh air, air intake
Mouthfuls 3 supply voltage 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 of air inlet 3 is masked as ExdII BT4, the work of air inlet 3
It is -25-+70 DEG C to make ambient temperature, working environment humidity≤95% of air inlet 3；Photographic head 4 is the ball of 220 × 353.4mm of Φ
Shape photographic head, for shooting the image in piping lane, the image device of photographic head 4 is 1/3 inch CCD, and the PAL of photographic head 4 is effective
Pixel is 976H × 582V, and NTSC valid pixels are 976H × 494V, and the camera lens of photographic head 4 is 23 times of zooms, and focal length is 4-
92mm, the minimal illumination of photographic head 4 includes 0.02Lux/ (F1.6, AGC ON), 0.0008Lux/ (F1.6, AGC ON, light sensitivitys
× 256), colour 0.002Lux/ (F1.6, AGC ON), 0.00008Lux/ (F1.6, AGC ON, light sensitivitys × 256) and black and white
0Lux with IR, the colored horizontal definition of photographic head 4 is 7000TVL, and black and white horizontal definition is 750TVL, photographic head 4
Electronic shutter speed be 1-1/10000s, the signal to noise ratio of photographic head 4 is more than 50dB, and photographic head 4 supports dynamic detection, photographic head
4 using 16 times of digital zooms, and the infrared radiation distance of photographic head 4 is 100 meters, the video frequency output of photographic head 4 be 1.0V [p-p]/
75 Ω, the video heads of photographic head 4 are PAL, NTSC or BNC head, and the control interface of photographic head 4 is RS-485, the protection of photographic head 4
Grade is IP66, and the supply voltage of photographic head 4 is AC24V, and the power of photographic head 4 is 30Wmax, the infrared lamp of photographic head 4
Power is 6Wmax, and the heating power supply power of photographic head 4 is 9Wmax, and the weight of photographic head 4 is 5.5kg, the work of photographic head 4
Make ambient temperature for -30-65 DEG C, the working environment humidity of photographic head 4 is less than 90%；It is warm and humid in the monitoring piping lane of humiture instrument 5
Degree, the power supply of humiture instrument 5 is 12VDC or 24VDC, and the outer sensor probe of humiture instrument 5 configures 0.5 meter of standard wiring, warm and humid
The temperature range of degree 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 of humiture instrument 5 is 1%RH, humiture instrument 5
Humidity precision be ± 3%RH, the output 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
Waste 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 is 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 fan
7 opening/shutting mode includes automatically controlling, control and mechanical emergency control manually, and the power of blower fan 7 is 15KW, the power supply of blower fan 7
Voltage is 220V, and the rotating speed of blower fan 7 is 2800r/min, and the air quantity of blower fan 7 is 10000m3/ h, the air pressure of blower fan 7 is 170Pa,
The noise of blower fan 7 is 80Db/A；The opening/shutting mode of water pump 8 includes automatically controlling, controls manually and mechanical emergency control, 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 rotating 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；Depth of accumulated water in the monitoring piping lane of tank gage 9,
The measurement range of tank gage 9 is 0-200 rice, and the certainty of measurement of tank gage 9 is 0.5%, and the material of tank gage 9 is rustless 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 measurement medium bag of tank gage 9
Include water, oily 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 is IP67 or IP68, and pipeline valve switch 10 is attached in CAN 2, the tool of pipeline valve switch 10
Body set location determines that pipeline valve is containing YE electronic valve, in YE according to piping lane design drawing
There are register control and valve position signal transmitter, register control receives the external control Setting signal of 4-20mA, and valve position signal sends
Valve position signal is programmed for device (R/I translation circuits) feedback signal of 4-20mA, register control according to external control Setting signal and
The comparative result of valve position feedback signal, automatically output forward or reverse control signal, by driving conversing contactor action, makes
The motor forward or reverse of YE, realize valve opens greatly or opens little adjustment.
When the piping lane Inner link control device that the present embodiment is related to is used, PLC1 is arranged on fire compartment gateway
On the spot in case, the PLC1 of piping lane each fire compartment is connected respectively with the Master Control Center of control room, PLC1 is real by photographic head 4
When check the image of piping lane internal medium, when maintainer is constructed into piping lane or is keeped in repair, exterior technology personnel can
Construction is grasped in time or process is keeped in repair, construction is commanded by communication apparatus or is keeped in repair, it is not necessary to observe into piping lane inside, increase
Work space, reduces risk, and when humiture instrument 5 monitors that the humiture in piping lane exceedes marginal value, PLC1 sends warning
And timely automated startup blower fan 7, blower fan 7 drives air inlet 3 and the beginning action of air outlet 6, ozone to enter from air inlet 3
Piping lane, waste gas or toxic gas discharge piping lane from air outlet 6, when the humiture that humiture instrument 5 is monitored in piping lane meets setting
During value, PLC1 is automatically switched off blower fan 7, and blower fan 7 drives air inlet 3 and the stopping action of air outlet 6, tank gage 9 to monitor in piping lane
Hydrops depth exceed setting marginal value when, PLC1 send warning and it is timely automated startup water pump 8 carry out draining, work as tank gage
9 when monitoring that the hydrops depth in piping lane meets setting value, and PLC1 is automatically switched off water pump 8, when humiture instrument 5 reaches the fire of setting
When the flow pressure of calamity alarming value or CAN 2 reaches the alarming value of setting, PLC1 opens photographic head 4, starts blower fan 7 and drives
Air inlet 3 and the beginning action of air outlet 6, start water pump 8 and close pipeline valve switch 10, PLC1 real-time monitorings blower fan 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 can manipulate air inlet 3, air outlet 6, blower fan 7 and water pump 8, air inlet 3, air outlet 6, blower fan 7, water pump 8 and pipeline automatically
Valve switch 10 being capable of independent operating, it is also possible to according to the operation program coordinated operation for pre-setting, by PLC1 or control
The heart can change the action parameter of air inlet 3, air outlet 6, blower fan 7, water pump 8 and pipeline valve switch 10, in control center dead electricity
Or when breaking down, PLC1 is unaffected；When there is burst accident in piping lane, CAN 2 can be after accident occurs in 1s
Emergency operating programme-control air inlet 3, air outlet 6, blower fan 7, water pump 8 and the pipeline valve switch 10 arranged by PLC1 is linked
Operation.
Claims (3)
1. a kind of piping lane Inner link control device, it is characterised in that agent structure includes PLC, CAN, air inlet, shooting
Head, humiture instrument, air outlet, blower fan, water pump, tank gage and pipeline valve switch；Each fire compartment of piping lane arranges 1 sleeve pipe
Corridor Inner link control device, PLC is arranged in the case on the spot of fire compartment, and CAN is arranged on piping lane in fire compartment
Surrounding simultaneously forms the loop of closure, and air inlet is arranged on the porch top of fire compartment, and photographic head is arranged in fire compartment
Top, humiture instrument is arranged on the bottom of fire compartment, and air outlet is arranged on the exit top of fire compartment, and blower fan is arranged
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,
Air inlet, humiture instrument and air outlet are arranged on the longitudinal wall side of fire compartment, and blower fan is arranged on fire compartment longitudinal direction wall
Body side, water pump, tank gage and pipeline valve switch is arranged on the longitudinal wall opposite side of fire compartment, air inlet, humiture
The plane-parallel that the horizontal plane that instrument and air outlet are located is located with water pump, tank gage and pipeline valve switch；PLC passes through CAN
Bus is electrically connected respectively with air inlet, photographic head, humiture instrument, air outlet, blower fan, water pump, tank gage and pipeline valve switch；
Horizontal range between air inlet and photographic head is more than 3 meters, and the horizontal range between air inlet and air outlet is more than 200 meters, water
Horizontal range between pump and tank gage is more than 3 meters.
2. piping lane Inner link control device according to claim 1, it is characterised in that the Master Control Center of PLC and control room
Connection, is integrated with the operation logic and relay protective scheme of FLASH, blower fan, water pump and pipeline valve switch, the output electricity of PLC in PLC
Road is 4 tunnels, and the output current of PLC is 16A, and the input voltage of PLC is 24V, and the operating current and quiescent current of PLC are respectively
The communication bus of 120mA and 20mA, PLC includes C4, RS485, RS232 and TCP/IP, and the state instruction of PLC includes red power supply
Indicate, green operation is indicated and yellow indicating fault, the contact endurance of PLC is 100,000 times, the FPGA number of PLC is 1000
Secondary, single network installation quantity of PLC is 32, and the communication distance of PLC is 0-1200 rice, and the traffic rate of PLC is 9600bs,
The operating ambient temperature of PLC is -10-40 DEG C, and the working relative humidity of PLC does not condense for 0-70%；CAN adopts the communications cable,
The data transmission distance of CAN is 10Km, and the message transmission rate of CAN is 1Mbit/s, and CAN is according to message
ID determines the message for receiving or shielding the ID, and message only indicates that function is believed not comprising source address or destination address with identifier
Breath and precedence information, CAN has reliable fault processing and error-detection mechanism, and node is automatically exited from when there is mistake
CAN, the information that CAN sends is retransmitted automatically after being destroyed；Air inlet is that piping lane conveys fresh air, air inlet
Supply voltage is 220V/50Hz, and the input signal of air inlet is 4-20mA or 1-5V.DC, and the output signal of air inlet is 4-
20mA.DC, the degree of protection of air inlet is IP65, and the flame proof of air inlet is masked as ExdII BT4, the working environment temperature of air inlet
Spend for -25-+70 DEG C, working environment humidity≤95% of air inlet；Photographic head is the spherical camera of 220 × 353.4mm of Φ,
For shooting the image in piping lane, the image device of photographic head is 1/3 inch CCD, the PAL valid pixels of photographic head be 976H ×
582V, NTSC valid pixel is 976H × 494V, and the camera lens of photographic head is 23 times of zooms, and focal length is 4-92mm, and photographic head is most
Low-light (level) includes 0.02Lux/F1.6, AGC ON, 0.0008Lux/F1.6, AGC ON, light sensitivitys × 256, colour 0.002Lux/
F1.6, AGC ON, 0.00008Lux/F1.6, AGC ON, light sensitivitys × 256 and black and white 0Lux with IR, the colour of photographic head
Horizontal definition is 7000TVL, and black and white horizontal definition is 750TVL, and the electronic shutter speed of photographic head is 1-1/10000s,
The signal to noise ratio of photographic head is more than 50dB, and photographic head supports dynamic detection, photographic head using 16 times of digital zooms, photographic head it is infrared
Irradiation distance is 100 meters, and the video frequency output of photographic head is 1.0V [p-p]/75 Ω, the video heads of photographic head be PAL, NTSC or
BNC heads, the control interface of photographic head is RS-485, and the degree of protection of photographic head is IP66, and the supply voltage of photographic head is
AC24V, the power of photographic head is 30Wmax, and the infrared lamp power of photographic head is 6Wmax, the heating power supply of photographic head
Power is 9Wmax, and the weight of photographic head is 5.5kg, and the operating ambient temperature of photographic head is -30-65 DEG C, the building ring of photographic head
Border humidity is less than 90%；Humiture in humiture instrument monitoring piping lane, the power supply of humiture instrument is 12VDC or 24VDC, humiture
The outer sensor probe of instrument configures 0.5 meter of standard wiring, and the temperature range of humiture instrument is -40-80 DEG C, the temperature point of humiture instrument
Resolution is 0.1 DEG C, and the temperature accuracy of humiture instrument is ± 0.5 DEG C, and the humidity range of humiture instrument is 0-100%RH, humiture
The humidity resolution of instrument is 1%RH, and the humidity precision of humiture instrument is ± 3%RH, and the output current of humiture instrument is 4-20mA,
The rated current of humiture instrument is less than 45mA, and the operating ambient temperature of humiture instrument is -20-80 DEG C, protection of humiture instrument etc.
Level is IP65；Air outlet discharges waste gas and toxic gas in piping lane, and the supply voltage of air outlet is 220V/50Hz, air outlet
Input signal be 4-20mA or 1-5V.DC, the output signal of air outlet is 4-20mA.DC, and the degree of protection of air outlet is
IP65, the flame proof of air outlet is masked as ExdII BT4, and the operating ambient temperature of air outlet is -25-+70 DEG C, the work of air outlet
Ambient humidity≤95%；The opening/shutting mode of blower fan includes automatically controlling, controls manually and mechanical emergency control, and the power of blower fan is
15KW, the supply voltage of blower fan is 220V, and the rotating speed of blower fan is 2800r/min, and the air quantity of blower fan is 10000m3/ h, blower fan
Air pressure is 170Pa, and the noise of blower fan is 80Db/A；Water pump opening/shutting mode includes automatically controlling, controls manually and mechanical emergency control
System, the supply voltage of water pump is 220V, and the power of water pump is 1100W, and the suction of water pump is 9 meters, and the lift of water pump is 35 meters, water
The flow of pump is 6 ton hours, and the bore of water pump is 1.5 cun, and the rotating speed of water pump is 2860r/min, the pressure switch pressure of water pump
For 2.5-3.3pa, the operating ambient temperature of water pump is -2-120 DEG C, high temperature resistant；Depth of accumulated water in tank gage monitoring piping lane, liquid
Position instrument measurement range is 0-200 rice, and tank gage certainty of measurement is 0.5%, and the material of tank gage is rustless steel, the power supply of tank gage
Voltage is 9-36V, and the output signal of tank gage includes 4-20mA, 0-10V and 0-5V, and the measurement medium of tank gage includes water, oil
With various liquid；The input signal of pipeline valve switch is 4-20mA, and the output signal of pipeline valve switch is 4-20mA, is protected
Grade is IP67 or IP68, and pipeline valve switch is attached in CAN, and the concrete set location of pipeline valve switch is according to pipe
Corridor design drawing determines that pipeline valve is, containing YE electronic valve, there is register control and valve in YE
Position sender unit, register control receives the external control Setting signal of 4-20mA, and valve position signal transmitter programs valve position signal
For the feedback signal of 4-20mA, register control is automatically defeated according to external control Setting signal and the comparative result of valve position feedback signal
Go out forward or reverse control signal, by driving conversing contactor action, make the motor forward or reverse of YE, it is real
Show valve opens greatly or opens little adjustment.
3. piping lane Inner link control device according to claim 1, it is characterised in that when using, is arranged on anti-PLC
In the case on the spot of fiery subregion gateway, the PLC of piping lane each fire compartment is connected respectively with the Master Control Center of control room, PLC
It is outside when maintainer is constructed into piping lane or is keeped in repair by the image of photographic head real time inspection piping lane internal medium
Technical staff can in time grasp construction or maintenance process, by communication apparatus commander construction or maintenance, it is not necessary to enter piping lane
Inside observation, increased work space, reduce risk, when humiture instrument monitors that the humiture in piping lane exceedes marginal value,
PLC sends warning and timely automated startup blower fan, and blower fan drives air inlet and air outlet to start action, and ozone is from air intake
Mouth enters piping lane, and waste gas or toxic gas discharge piping lane from air outlet, when the humiture that humiture instrument is monitored in piping lane meets
During setting value, PLC is automatically switched off blower fan, and blower fan drives air inlet and air outlet stopping action, tank gage to monitor in piping lane
When hydrops depth exceedes the marginal value of setting, PLC sends warning and timely automated startup water pump carries out draining, when tank gage monitoring
When hydrops depth in piping lane meets setting value, PLC is automatically switched off water pump, when humiture instrument reaches the fire alarming value of setting
Or the flow pressure of CAN is when reaching the alarming value of setting, PLC opens photographic head, starts blower fan and drives air inlet and air-out
Mouth beginning action, starts water pump and closes pipeline valve switch, the work of PLC real-time monitoring blower fans, water pump and pipeline valve switch
State and status of equipment are simultaneously uploaded to Master Control Center, and by control centre or PLC air inlet, air-out can be manually or automatically manipulated
Mouthful, blower fan and water pump, air inlet, air outlet, blower fan, water pump and pipeline valve switch being capable of independent operating, it is also possible to according to pre-
The operation program coordinated operation for first arranging, by PLC or control centre air inlet, air outlet, blower fan, water pump and pipe can be changed
The action parameter of line valve switch, when controlling center dead electricity or breaking down, PLC is unaffected；When generation burst thing in piping lane
Therefore when, emergency operating programme-control air inlet, air outlet, wind that CAN can be arranged in 1s after accident occurs by PLC
The operation of machine, water pump and pipeline valve switch gearing.
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| CN110187665A (en) * | 2018-07-02 | 2019-08-30 | 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 |
| CN110188901A (en) * | 2018-07-02 | 2019-08-30 | 青岛华高物联网科技有限公司 | A kind of underground pipe gallery operation maintenance management system |
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