Summary of the invention
Purpose of the present invention is exactly that a kind of fast assembling-disassembling, 500kV cable splice working environment control system movably are provided in order to overcome the defective that above-mentioned prior art exists.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of 500kV cable splice working environment control system, it is characterized in that, comprise centralized intelligence chemical control system subsystem, gas modulo operation chamber, temperature and humidity controller, clarifier, the automation mechanized operation platform, safe fire-fighting subsystem, illumination subsystems, described centralized intelligence chemical control system subsystem is respectively by 485 communication interfaces and temperature and humidity controller, clarifier, the automation mechanized operation platform, safe fire-fighting subsystem, illumination subsystems connects, described temperature and humidity controller, clarifier, the automation mechanized operation platform, safe fire-fighting subsystem, illumination subsystems is positioned at gas modulo operation chamber interior.
Described gas modulo operation chamber is provided with automatic emergency exits, is opened and closed by centralized intelligence chemical control system subsystem controls.
Described temperature and humidity controller comprises new titanium alloy air cooling heat exchanger, electric expansion valve, high pressure polymerisation flexible pipe, and described new titanium alloy air cooling heat exchanger is connected with electronic expansion by the high pressure polymerisation flexible pipe.
Described clarifier comprises blower fan, frequency converter, airborne particle counter, pressure reduction transmission device, electric control valve, filtrator, movable supporting frame, wind mechanical, electrostatic precipitator.
Described automation mechanized operation platform comprises preceding operator's console, back operator's console, and this preceding operator's console, back operator's console are spliced by the fritter platform respectively.
Described safe fire-fighting subsystem comprises pick-up unit, warning device.
Compared with prior art, the present invention has the following advantages:
Fast assembling-disassembling, removable, easy to operate, automaticity is high, safe and reliable, guarantee joint work ambient temperature and humidity requirement and air purity requirement:
1, guarantees the formal temperature of work≤28 ℃, relative humidity≤75%;
2, reach 300,000 grades in the local work area territory and purify requirement, other space relative closures of joint area and tunnel;
3, the workbench that provides convenient, fast, a safe crosslinked cable joint to install for the workmen;
4, safety lighting, harmful gas detections etc. are multifunctional integrated, guarantee construction safety in the tunnel;
But 5, whole system centralized intelligence chemical control system.
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of 500kV cable splice working environment control system, comprise centralized intelligence chemical control system subsystem 1, gas modulo operation chamber 2, temperature and humidity controller 3, clarifier 4, automation mechanized operation platform 5, safe fire-fighting subsystem 6, illumination subsystems 7, described centralized intelligence chemical control system subsystem 1 is respectively by 485 communication interfaces and temperature and humidity controller 3, clarifier 4, automation mechanized operation platform 5, safe fire-fighting subsystem 6, illumination subsystems 7 connects described temperature and humidity controller 3, clarifier 4, automation mechanized operation platform 5, safe fire-fighting subsystem 6, illumination subsystems 7 is positioned at 2 inside, gas modulo operation chamber.
Gas modulo operation chamber 2 is formed by the gas mould inflation of the base-material that adds high molecule nano material, effectively cuts off work space and extraneous air exchange, minimizing loss of cold and entering of damp-heat air, can keep behind the inflation 72 hours indeformable.After this, as long as replenish air pressure at each air intake opening, the time that can maintain a more long, rely on each end points draw ring and wall to fix, also can not subside even if run into emergency case.
This operation room can be according to the assembly unit of on-the-spot different situations modularization according to the field condition modular design, and adjacent block connects with special component, guarantees its impermeability and globality, convenient disassembly, and it is small and exquisite to have dismantled volume, is convenient to transportation.
This operation room material adopts the base-material that adds high molecule nano material to make, and has waterproof, and is fire-retardant, good heat-insulation effect, anti-intensity height, the characteristics such as tearing toughness height of stabbing.In addition, because material surface is smooth, also have the characteristics that are difficult for absorption dust.
Lining tears big powers' degree: radially 〉=and 1020N/5cm;
Joint strength: 〉=220N/5cm;
Temperature and humidity controller 3 has adopted state-of-the-art in the world at present VRV technology, to the fitness height of environment, can keep normal steady operation under various rugged surroundings, comprises new titanium alloy air cooling heat exchanger, electric expansion valve, high pressure polymerisation flexible pipe; Environment for use and operating position can be regulated the flow of cold-producing medium automatically, and environment is accurately controlled; Adopt indoor set and off-premises station separate mode, novel quick soft connecing adopted in the connection of indoor set and off-premises station, the new titanium alloy air cooling heat exchanger adopts novel titanium alloy material to make the volume and weight of equipment be reduced greatly and falls gently, gives operation and uses the great facility of bringing.Control connects with centralized intelligence control subsystem 1 by 485 communication interfaces, carries out centralized control.
The new titanium alloy air cooling heat exchanger adopts the up-to-date Aero-Space new material of the U.S.-titanium alloy heat interchanger, and the up-to-date parallel-flow heat transfer technology of employing refrigerating field, each flat pipeline is made up of ten small pipelines, super tubule flow, cold-producing medium can fully contact with air by the light wall pipe wall, simultaneously increased heat interchanging area again, compared with the common heat interchanger of identical front face area, the heat exchange effect increases more than 30%.This heat interchanger does not have fin, has reduced windage, and distinguished and admirable smooth and easy, noise is low, the heat exchange better effects if.Special Passivation Treatment has been done to this new type heat exchanger surface by my company, and acid and alkali-resistance is corrosion-resistant, is suitable for various rugged surroundings.Because this heat interchanger pattern heat exchange efficiency height, density is little, and is littler by 30% than at present general heat exchanger volume, in light weight 70%, adapts to hot environment work, and environment temperature reaches 55 ℃, and unit still can normally freeze.
Electric expansion valve, throttling is stable reliable again, adopts refrigerating field third generation throttling technology (first generation throttling device is a kapillary, and second generation throttling device is the mechanical type expansion valve) electric expansion valve, and application multi-sensor fuzzy control technology, according to the needs dynamic adjustments electronic expansion valve opening of air conditioner surroundings, aperture is regulated and is up to 500 pulses, accurately controls cold medium flux, temperature control is more accurate, make compressor always work in kilter, efficient, reliable, the life-span is longer.The application of electric expansion valve makes the control evaporator refrigerant temperature become possibility, the dynamic adjustments of evaporating temperature, the humidity that can regulate air conditioner surroundings easily.
This temperature and humidity controller 3 connecting pipes adopt the high pressure polymerisation flexible pipe, and are furnished with the standard quick seal coupling, convenient on-the-spot installation and mobile, and outdoor location can decompose carrying, has alleviated site operation personnel's difficulty of construction.
The performance of this temperature and humidity controller 3 is as follows:
Refrigerating capacity: 7KW;
Power supply: 380V, 50Hz;
Outer machine noise: 50 decibels, interior machine noise: 40 decibels;
Fall wet amount: relative humidity was at 65% o'clock, and 5L/ is little;
Mode of operation: line control machine;
Environmental protection refrigerant: R407C;
Off-premises station is the side-blown heat exchange, is of a size of: long 701 thick 568 is high by 703, and indoor set is for blowing on the return air down, lands movable type, and size long 1180 thick 240 is high by 620; Indoor set has the safe and reliable auxilliary heating arrangement of PTC electricity, and dehumidifying is used when not needing to freeze.
Clarifier 4 is and temperature and humidity controller 3 supporting uses to reach a covering device of the cleanliness factor in the operation room being handled and detected in real time feedback to guarantee the new wind magnitude of recruitment in the operation room.This device is by German import EBM blower fan, frequency converter, airborne particle counter, pressure reduction transmission device, electric control valve, middle and high effect filtrator, movable supporting frame, wind mechanical, electrostatic precipitator is formed, and guarantees that the gas tissue of work space meets crosslinked cable connection requirement.
This clarifier 4 performance specifications:
1. renew the wind technology:
Because staff's not stationarity in the operation room relative closure, operation room.This clarifier 4 adopts DC frequency-changing technology to control the size that new wind motorized valve is controlled new wind input, thereby guarantees office work personnel's new wind demand and do not influence indoor Temperature and Humidity Control.
2. cleanliness factor control device:
Because clarifier 4 is not only wanted can the indoor original dust of purification run, operating personnel are when carrying out the crosslinked cable joint, operations such as polishing to cable also can produce dust, in order not make these dust be adsorbed on the cable splice joint, at first we carry out dust removal process with electrostatic precipitator, by airborne particle counter site environment is detected in real time then, feed back to the centralized intelligence control subsystem, control of conversion device control blower fan improves or reduces the purpose that clean wind rate of ventilation reaches cleanliness factor in the pulpit.
Automation mechanized operation platform 5 personnel of being mainly used in ascend a height and the interface of auxiliary two cut cables aligns, and guarantee that staff's joint can carry out safely smoothly.Characteristics such as this equipment adopts Hydraulic for lifting load principle, and the modularization assembly unit has flexible and changeablely, safe and reliable, stablizes, and is convenient and swift, easy to operate.But its height step-less adjustment is controlled by the centralized intelligence control subsystem.
Two major parts before and after this automation mechanized operation platform 5 can be divided into, every bulk is all formed (so that can enter the tunnel face) by the fritter platform of 600*600, every fritter platform supports (can be betrothed to mobile feet) by hydraulic supporting feet, hydraulic supporting feet can be by self as regulating height as the hydraulic jack or being connected by fluid pressure line, by centralized intelligence control subsystem 1 centralized control, can there be difference in height the centralized control front and back, so that cable splice place height and human body operation highly keep sustained height, and be highly electrodeless adjustable.Adjacent two chain-waless are linked to each other by structural member, increase its bulk strength.Control center's outage, the hydraulic pressure self-locking.Platform material is made of durinvar, transport light, the intensity height.The mobile butt joint of cable also can be passed through Platform Implementation, because platform is a modular combination, each chain-wales all can be an independently lifting jack mechanism, when cable need move butt joint, the chain-wales of being betrothed to mobile feet can shift out integral platform separately and support cable, and the immigration operating platform, realize that cable moves butt joint.
Safe fire-fighting subsystem 6 has toxic and harmful is detected and warning function.Can the concentration of the indoor toxic and harmful of gas modulo operation be detected, reporting to the police automatically when the concentration of poisonous harmful gas surpasses normal value and sending ear-piercing buzzer returns to normal value or the people stops for closing just up to the concentration of toxic and harmful.Safe fire-fighting subsystem 6 has the function that fire alarm is reported to the police to operation room, the warning of when the condition of a fire occurring, sounding a buzzer automatically, and operating personnel can put out a fire with the dry powder extinguisher that carries.Centralized intelligence control subsystem 1 will be opened the safe escape door of gas mould automatically in 30 seconds.
Illumination subsystems 7 adopts explosion-proof clean light fixture, and the configuration emergency light.Lamp installation is on 2 structural members of gas modulo operation chamber, and the lamp power line is by discharging in the structural member, and structural member is made of the hard aluminium alloy hollow tubular, and is safe and reliable and attractive in appearance, disposes portable parallel light modulation simultaneously, but the quality of detection tabs Local treatment.
Centralized intelligence control subsystem 1 is the control center of this system, each functional block operate as normal is monitored and controls by 485 communication interfaces.
Centralized intelligence control subsystem 1 can be controlled the safety inflation of gas modulo operation chamber 2, is worked under safety air pressure in the modulo operation chamber 2 of bringing about the desired sensation, and the safe escape door of gas modulo operation chamber 2 also can have control subsystem control simultaneously.Centralized intelligence control subsystem 1 can effectively be controlled the ambient temperature and humidity of gas modulo operation chamber 2, the duty that can show gas modulo operation chamber 2, and can set the humiture of gas modulo operation chamber 2 as requested, temperature and humidity controller 3 will move automatically according to the operational order of centralized intelligence control subsystem 1.And have phase shortage, excess current, overvoltage, etc. defencive function.Centralized intelligence control subsystem 1 can be controlled the air quantity and the cleanliness factor of clarifier 4 automatically, adopt the air quantity frequency-changing control system, personnel's situation according to gas modulo operation chamber 2, air quantity to new wind carries out variable frequency control, automatically adjust the magnitude of recruitment of new wind, simultaneously the dust particle in the gas modulo operation chamber 2 is detected automatically, adjust the magnitude of recruitment of new wind according to the situation of dust particle automatically.Centralized intelligence control subsystem 1 can be to the lifting of automation mechanized operation platform 5, and displacement is controlled, and centralized intelligence control subsystem 1 can detect the concentration of toxic and harmful automatically, and reports to the police; Can carry out detection alarm to the fire alarm situation, and can in 30 seconds, cut off the electricity supply automatically, open emergency lighting.