CN105186312A - 10kV switchgear cabinet capable of being dedusted highly efficiently - Google Patents
10kV switchgear cabinet capable of being dedusted highly efficiently Download PDFInfo
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- CN105186312A CN105186312A CN201510653171.9A CN201510653171A CN105186312A CN 105186312 A CN105186312 A CN 105186312A CN 201510653171 A CN201510653171 A CN 201510653171A CN 105186312 A CN105186312 A CN 105186312A
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- injector head
- ejector block
- dust
- cabinet
- control unit
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- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 239000000428 dust Substances 0.000 claims abstract description 55
- 230000000694 effects Effects 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims description 30
- 239000007924 injection Substances 0.000 claims description 30
- 238000003860 storage Methods 0.000 claims description 21
- 238000000746 purification Methods 0.000 claims description 18
- 239000006096 absorbing agent Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 6
- 230000005672 electromagnetic field Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 235000005770 birds nest Nutrition 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002121 nanofiber Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 235000005765 wild carrot Nutrition 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 17
- 239000002245 particle Substances 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a 10kV switchgear cabinet capable of being dedusted highly efficiently. The 10kV switchgear cabinet comprises a cabinet body and is characterized in that the cabinet is provided with a dedusting mechanism. The 10kV switchgear cabinet has beneficial effects of being simple in structure, convenient to use, easy to popularize, and suitable for the inner chamber structures of various types of switchgear cabinets, and having a good dedusting effect. Each part in the switchgear cabinet can be blown omnibearingly in order to reduce dedusting dead angles and enhance the dedusting of the top surface and the side surface of each element. The 10kV switchgear cabinet achieves an ideal dedusting way, may centralize much dedusting power consumption on the top surface and the side surface, with much dust, of each element, and reduces energy consumption.
Description
Technical field
The present invention relates to a kind of 10kv switch cubicle of high-effective dust-removing.
Background technology
10kv switch cubicle refers to for electric power system generating, transmission of electricity, distribution, electric energy conversion and plays the effects such as break-make, control or protection in consuming; 10kv switch cubicle is by making the electric equipment products of electric pressure at 3.6kV-550kV; high voltage isolator overlaps and sectionalizer with earthed switch, high voltage load switch, high pressure, several large classes such as high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and 10kv switch cubicle.
10kv switch cubicle is widely used in power industry, it has good switching effect and insulation effect, there is good fail safe and ease for operation, but, there is many problems equally in existing 10kv switch cubicle, wherein, problem is apparent that most, cleaning problems in cabinet, the use of this 10kv switch cubicle must be stopped during existing 10kv switch cubicle cleaning, impact is normal produces, due to cleaning works, folding 10kv switch cubicle will affect the useful life of its circuit breaker simultaneously, reduce the fail safe of switch cubicle, in addition, the insulating properties that may affect switch cubicle is cleaned not in time in cabinet, the harm person or device security.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, a kind of 10kv switch cubicle of high-effective dust-removing is provided, can clean switch cubicle in time in switch cubicle uses, it is effective that it cleans, operating efficiency is high, avoid the hidden danger because reason clean in cabinet causes its fail safe to reduce, simultaneously, improve the utilization rate of switch cubicle, cleaning can be completed without the need to stopping this switch cubicle, reduce the number of times of this switch cubicle of folding because of cleaning, reach the object in the useful life of improving switch cubicle, improve the electrification time of switch cubicle.
The technical solution used in the present invention is as follows:
The invention discloses a kind of 10kv switch cubicle of high-effective dust-removing, comprise cabinet, cabinet is provided with dedusting mechanism, described dedusting mechanism comprises air accumulator, purification mechanism, the mechanism of decompressor, booster body heat exchanger, jet mechanism, exhaust gear, described air accumulator is connected in the jet mechanism that is located in cabinet successively by heat exchanger, the mechanism of decompressor, described cabinet is provided with exhaust gear, exhaust gear to be linked back air accumulator by purification mechanism, heat exchanger, booster body successively, and air accumulator is built with inert gas.Described jet mechanism comprises ejector block, injector head; Described ejector block connects injector head by universal drive shaft, and have the booster cavity of taper in described injector head, injector head is provided with pressure sensor; The outlet of injector head is flat; Described ejector block is provided with motor and rotates for controlling universal drive shaft.
Further, described exhaust gear comprises blower fan, anemobiagraph and Temperature Humidity Sensor.
Further, described heat exchanger includes refrigerating chamber and heating chamber, and described heating chamber is provided with heater for heating heating chamber.
Further, the capacity of described air accumulator is 1 cubic metre, is coated with the silver of 30-50 micron thickness inside the tank skin of air accumulator, and the middle part of tank skin is vacuum layer, and the skin of tank skin is provided with the rubber layer of 1-5cm.
Further, described purification mechanism comprises the dust catcher, humidity control device, the electrochondria absorber that connect successively; The output of described electrochondria absorber is connected with booster body; Be provided with the dust absorption net of accordion in described dust catcher, this dust absorption net is made up of bird-nest type nano-fiber material; Be provided with sponge net and stripper plate that 40 density foam make in described humidity controller, in sponge net, be provided with the through hole that some horizontal apertures are less than 3cm; Relative both sides in described electrochondria absorber are provided with electric board, have parallel magnetic field between two electric boards.
Due to above-mentioned dedusting mechanism, make in the cabinet of switch cubicle more clean, stop unclean in cabinet and cause the situation that switch cubicle insulating properties reduces, ensure that the safety of the person and equipment, reduce the on-off times of switch cubicle, improve useful life and the electrification time of switch cubicle.Said mechanism, the air purified by purification mechanism sprays the mode of air after booster body pressurization, clean cabinet, better cleaning effect can be reached, make electrically charged, easily the dust be adsorbed onto on cable and cabinet blown off, avoid the admission rate reducing dust in air simultaneously, reach better cleaning effect.Said mechanism can triple purifications, the degree of purity of air can be made better, and its cleaning efficiency is higher, first the dust of larger particles in absorbed air, then air is carried out desiccant dehumidification; Due to charging equipment charged meeting heat release, now comparatively ambient temperature is high for the temperature of cable, carry out heating up to air and can reduce the temperature difference of cable and cleaning gas tream, when avoiding the temperature difference large, the situation of the service life reduction of cable, produce magnetic field between parallel electric board, effectively can adsorb charged corpuscle, prevent charged particle on the impact of switch cubicle inner cable insulating properties.The air outlet of said mechanism flat, when strengthening the condensation degree of air-out, can strengthen air output, having sweeping efficiency and better wind speed faster, complete cleaning works.
Above-mentioned exhaust gear can measure wind speed, the humiture in exit, and controls the rotating speed of blower fan, realizes negative pressure cleaning in cabinet.
Further, it is characterized in that, the control system of its dedusting mechanism, comprising:
(1), control unit;
(2), clean unit, comprise dust catcher, humidity controller, electrochondria absorber, the dust absorption net in dust catcher is to airflow filtering; Air-flow after filtration enters humidity controller, humidity controller comprises sponge net, stripper plate, there is the flexure type through hole that some apertures are not more than 3cm, length is greater than 10cm in sponge net, the madial wall of through hole is provided with granularity and is less than 5 object active carbons, sponge net absorbs the moisture in air-flow and again filters air-flow; Stripper plate is horizontally arranged with burr, the height of its burr is 3-5mm, the spacing of burr is 5-8mm, stripper plate is connected with squeezer, squeezer controls stripper plate and extrudes this sponge net thus reduce the aperture of through hole and increase the density of sponge simultaneously, improve the moisture sorption effect of sponge net, and the initial density of sponge is 41kg/m3-42kg/m3; Electrochondria absorber comprises electric board, the charged rear formation electromagnetic field of electric board, the intensity of electromagnetic field for adsorbing charged corpuscle, electric board is also provided with magnet strip by voltage control, between electric board and magnet strip, be also provided with thickness is the insulating barrier that the nonwoven fabrics of 3-7mm is made; Flow deflector is provided with between electric board;
(3), compress cell, comprise booster body, booster body comprises air engine, pneumatics chamber, pneumatics fan, pneumatics chamber is snail type, pneumatics fan is placed in pneumatics chamber and is connected with air compressor machine rotating shaft, pneumatics fan is provided with guiding gutter, the flabellum of pneumatics fan is coated with the rubber layer that 2-3mm is thick, and heat exchanger is connected with pneumatics chamber;
(4), injection unit, comprise jet mechanism, injection equipment comprises ejector block and injector head, everything axle is set between ejector block and injector head, ejector block is provided with motor to rotate for controlling universal drive shaft, ejector block is connected on cabinet madial wall by scroll slide rail, ejector block is provided with walking mechanism, walking mechanism controls ejector block and moves in spiral track, the outlet of injector head is flat, the air-flow that injector head is sprayed is fan-shaped, injector head is connected with pressure sensor, the wind pressure signal recorded is transferred to control unit through conductor wire by this pressure sensor, this injection unit is also connected with dust detector, this dust detector is connected with control unit,
(5), exhaust unit, comprise blower fan, air velocity transducer, Temperature Humidity Sensor; Blower fan, air velocity transducer, Temperature Humidity Sensor are all connected with control unit, exhaust unit is communicated with cabinet inside, exhaust unit is connected with clean unit by conduit, exhaust unit is also provided with and promptly bleeds off pressure mouth, promptly bleed off pressure mouth place and promptly bleed off pressure switch, this promptly bleeds off pressure switch and is connected with control unit;
(6), storage element, comprise air accumulator, inert gas is equipped with in its inside, and storage element is provided with Pressure gauge and pressure sensor for detecting the atmospheric pressure state of storage element, this storage element is connected with fire resisting damper, and fire resisting damper is connected to cabinet inside; Storage element is connected with compress cell with heat exchanger respectively.
(7), decompressing unit, comprise pressure-reducing valve, the control end of pressure-reducing valve is connected with control unit, and pressure-reducing valve is provided with Pressure gauge;
Control unit, comprise the control cabinet be located on cabinet, control unit is connected with clean unit, compress cell, injection unit, storage element, exhaust unit respectively, for controlling dehumidifying, the electric power absorption action of clean unit, control compress cell pressurizing action, control injection unit injection direction, speed; After startup control unit, control unit detects the dust quantity in dust detector detecting box, when control unit judges that dust quantity reaches designated value, start blower fan, air compressor machine, pressure-reducing valve successively, by the inert gas in air accumulator in clean unit, compress cell, injection unit, storage element, exhaust unit, air accumulator, cabinet Inner eycle.
Said system is applied in the dedusting mechanism of this 10kv switch cubicle, control for making unit piecemeal, cooperatively interacting between convenient operation and unit, thus reach better dust removing effects, and be conducive to the energy-conservation of this dedusting mechanism, unit can be reached normal operation, gather its improve parameter unification regulation and control run thus reach preset value, being conducive to the control of dedusting mechanism.
Further, the injection method of this control system:
(1), control unit controls the motor be located on ejector block and rotates, and injector head rotates around ejector block, its average speed rotated is 20r/min, injector head is nonuniform rotation, and velocity of rotation when injector head is downward is 16r/min, injector head upwards time velocity of rotation be 24r/min;
(2), control unit controls ejector block reciprocating motion on spiral slide rail, control unit controls the movement velocity of ejector block, when ejector block is positioned at above slide rail central point, its portable cord speed is 1-2m/min, and ejector block is 2-3m/min lower than portable cord speed during slide rail central point;
(3), to control the blast at injector head place be 0m/min lower than the translational speed on slide rail of ejector block during 1kpa to control unit, and the average rotation speed of injector head is 0r/min; When injector head place blast is 1kpa-1.5kpa, the average translational speed of ejector block on slide rail is 1m/min, and the average rotation speed of injector head is 12r/min; When injector head place blast is higher than 1.5kpa to 1.83kpa, the average rotation speed of injector head is 20r/min, and the average translational speed of ejector block on slide rail is 2m/min.
Above-mentioned injection method, omnibearingly can blow each position in cabinet, reduces dedusting dead angle, and strengthening is to the upper surface of each element and the dedusting of side, is ideal dedusting method.More dedusting energy consumption can be concentrated on the more upper surface of parts laying dust and side, reduce energy consumption.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, structure is simple, easy to use, is convenient to promote, and can be adapted to each cabinet inner-cavity structure of all kinds switch cubicle, have good dust removing effects.
2, the control system of its dedusting mechanism, rationally, good teamwork, unifiedly controls in collocation, can dedusting, injection, purification, exhaust work unify cooperation and complete.
3, its purification method can provide the air being more suitable for dedusting, and boosting method and injection method can provide and make dust-collecting air form air stream, have better dust removing effects, the dust be adsorbed on parts can be removed.
4, this dedusting mechanism is applicable to the band electric precipitation work of switch cubicle, the on-off times because of dedusting reason can be reduced, thus improve the useful life of switch cubicle, prevent dust accretions from cabinet, making switch cubicle insulating properties reduce, or the situation that the normal work of components and parts is affected occur.
Accompanying drawing explanation
Fig. 1 is the 10kv switch cabinet structure figure of high-effective dust-removing in the present invention;
Mark in figure: 1-air accumulator, the 2-mechanism of decompressor, 3-exhaust gear, 4-purification mechanism, 5-booster body, 6-heat exchanger, the jet mechanism of 7-.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
specific embodiment 1:
As Fig. 1, the 10kv switch cubicle of a kind of high-effective dust-removing of the present invention, comprise cabinet, cabinet is provided with dedusting mechanism, dedusting mechanism comprises air accumulator 1, purification mechanism 4, the mechanism of decompressor 2, booster body 5 heat exchanger 6, jet mechanism 7, exhaust gear 3, air accumulator 1 is connected in the jet mechanism 7 that is located in cabinet successively by heat exchanger 6, the mechanism of decompressor 2, cabinet is provided with exhaust gear 3, exhaust gear 3 to be linked back air accumulator 1 by purification mechanism 4, heat exchanger 6, booster body 5 successively, and air accumulator 1 is built with inert gas.
Purification mechanism 4 comprises the dust catcher, humidity control device, the electrochondria absorber that connect successively; The output of electrochondria absorber is connected with booster body 5; Be provided with the dust absorption net of accordion in dust catcher, this dust absorption net is made up of bird-nest type nano-fiber material; Be provided with sponge net and stripper plate that 40 density foam make in humidity controller, in sponge net, be provided with the through hole that some horizontal apertures are less than 3cm; Relative both sides in electrochondria absorber are provided with electric board, have parallel magnetic field between two electric boards.
Jet mechanism 7 comprises ejector block, injector head; Ejector block connects injector head by universal drive shaft, and have the booster cavity of taper in injector head, injector head is provided with pressure sensor; The outlet of injector head is flat; Ejector block is provided with motor and rotates for controlling universal drive shaft.
Exhaust gear 3 comprises blower fan, anemobiagraph and Temperature Humidity Sensor.
Heat exchanger 6 includes refrigerating chamber and heating chamber, and heating chamber is provided with heater for heating heating chamber.
The capacity of air accumulator 1 is 1 cubic metre, is coated with the silver of 30-50 micron thickness inside the tank skin of air accumulator 1, and the middle part of tank skin is vacuum layer, and the skin of tank skin is provided with the rubber layer of 1-5cm.
Due to above-mentioned dedusting mechanism, make in the cabinet of switch cubicle more clean, stop unclean in cabinet and cause the situation that switch cubicle insulating properties reduces, ensure that the safety of the person and equipment, reduce the on-off times of switch cubicle, improve useful life and the electrification time of switch cubicle.Said mechanism, the air purified by purification mechanism 4 sprays the mode of air after booster body 5 pressurizes, clean cabinet, better cleaning effect can be reached, make electrically charged, easily the dust be adsorbed onto on cable and cabinet blown off, avoid the admission rate reducing dust in air simultaneously, reach better cleaning effect.Said mechanism can triple purifications, the degree of purity of air can be made better, and its cleaning efficiency is higher, first the dust of larger particles in absorbed air, then air is carried out desiccant dehumidification; Due to charging equipment charged meeting heat release, now comparatively ambient temperature is high for the temperature of cable, carry out heating up to air and can reduce the temperature difference of cable and cleaning gas tream, when avoiding the temperature difference large, the situation of the service life reduction of cable, produce magnetic field between parallel electric board, effectively can adsorb charged corpuscle, prevent charged particle on the impact of switch cubicle inner cable insulating properties.The air outlet of said mechanism flat, when strengthening the condensation degree of air-out, can strengthen air output, having sweeping efficiency and better wind speed faster, complete cleaning works.
Above-mentioned exhaust gear 3 can measure wind speed, the humiture in exit, and controls the rotating speed of blower fan, realizes negative pressure cleaning in cabinet.
specific embodiment 2:
According to the control system of the switch cubicle of embodiment 1, comprising:
(1), control unit;
(2), clean unit, comprise dust catcher, humidity controller, electrochondria absorber, the dust absorption net in dust catcher is to airflow filtering; Air-flow after filtration enters humidity controller, humidity controller comprises sponge net, stripper plate, there is the flexure type through hole that some apertures are not more than 3cm, length is greater than 10cm in sponge net, the madial wall of through hole is provided with granularity and is less than 5 object active carbons, sponge net absorbs the moisture in air-flow and again filters air-flow; Stripper plate is horizontally arranged with burr, the height of its burr is 3-5mm, the spacing of burr is 5-8mm, stripper plate is connected with squeezer, squeezer controls stripper plate and extrudes this sponge net thus reduce the aperture of through hole and increase the density of sponge simultaneously, improve the moisture sorption effect of sponge net, and the initial density of sponge is 41kg/m3-42kg/m3; Electrochondria absorber comprises electric board, the charged rear formation electromagnetic field of electric board, the intensity of electromagnetic field for adsorbing charged corpuscle, electric board is also provided with magnet strip by voltage control, between electric board and magnet strip, be also provided with thickness is the insulating barrier that the nonwoven fabrics of 3-7mm is made; Flow deflector is provided with between electric board;
(3), compress cell, comprise booster body 5, booster body 5 comprises air engine, pneumatics chamber, pneumatics fan, pneumatics chamber is snail type, pneumatics fan is placed in pneumatics chamber and is connected with air compressor machine rotating shaft, pneumatics fan is provided with guiding gutter, the flabellum of pneumatics fan is coated with the rubber layer that 2-3mm is thick, and heat exchanger 6 is connected with pneumatics chamber;
(4), injection unit, comprise jet mechanism 7, injection equipment comprises ejector block and injector head, everything axle is set between ejector block and injector head, ejector block is provided with motor to rotate for controlling universal drive shaft, ejector block is connected on cabinet madial wall by scroll slide rail, ejector block is provided with walking mechanism, walking mechanism controls ejector block and moves in spiral track, the outlet of injector head is flat, the air-flow that injector head is sprayed is fan-shaped, injector head is connected with pressure sensor, the wind pressure signal recorded is transferred to control unit through conductor wire by this pressure sensor, this injection unit is also connected with dust detector, this dust detector is connected with control unit,
(5), exhaust unit, comprise blower fan, air velocity transducer, Temperature Humidity Sensor; Blower fan, air velocity transducer, Temperature Humidity Sensor are all connected with control unit, exhaust unit is communicated with cabinet inside, exhaust unit is connected with clean unit by conduit, exhaust unit is also provided with and promptly bleeds off pressure mouth, promptly bleed off pressure mouth place and promptly bleed off pressure switch, this promptly bleeds off pressure switch and is connected with control unit;
(6), storage element, comprise air accumulator 1, inert gas is equipped with in its inside, and storage element is provided with Pressure gauge and pressure sensor for detecting the atmospheric pressure state of storage element, this storage element is connected with fire resisting damper, and fire resisting damper is connected to cabinet inside; Storage element is connected with compress cell with heat exchanger 6 respectively.
(7), decompressing unit, comprise pressure-reducing valve, the control end of pressure-reducing valve is connected with control unit, and pressure-reducing valve is provided with Pressure gauge;
Control unit, comprise the control cabinet be located on cabinet, control unit is connected with clean unit, compress cell, injection unit, storage element, exhaust unit respectively, for controlling dehumidifying, the electric power absorption action of clean unit, control compress cell pressurizing action, control injection unit injection direction, speed; After startup control unit, control unit detects the dust quantity in dust detector detecting box, when control unit judges that dust quantity reaches designated value, start blower fan, air compressor machine, pressure-reducing valve successively, by the inert gas in air accumulator 1 in clean unit, compress cell, injection unit, storage element, exhaust unit, air accumulator 1, cabinet Inner eycle.
Said system is applied in the dedusting mechanism of this 10kv switch cubicle, control for making unit piecemeal, cooperatively interacting between convenient operation and unit, thus reach better dust removing effects, and be conducive to the energy-conservation of this dedusting mechanism, unit can be reached normal operation, gather its improve parameter unification regulation and control run thus reach preset value, being conducive to the control of dedusting mechanism.
specific embodiment 3:
Injection method according to the control system of embodiment 2:
(1), control unit controls the motor be located on ejector block and rotates, and injector head rotates around ejector block, its average speed rotated is 20r/min, injector head is nonuniform rotation, and velocity of rotation when injector head is downward is 16r/min, injector head upwards time velocity of rotation be 24r/min;
(2), control unit controls ejector block reciprocating motion on spiral slide rail, control unit controls the movement velocity of ejector block, when ejector block is positioned at above slide rail central point, its portable cord speed is 1-2m/min, and ejector block is 2-3m/min lower than portable cord speed during slide rail central point;
(3), to control the blast at injector head place be 0m/min lower than the translational speed on slide rail of ejector block during 1kpa to control unit, and the average rotation speed of injector head is 0r/min; When injector head place blast is 1kpa-1.5kpa, the average translational speed of ejector block on slide rail is 1m/min, and the average rotation speed of injector head is 12r/min; When injector head place blast is higher than 1.5kpa to 1.83kpa, the average rotation speed of injector head is 20r/min, and the average translational speed of ejector block on slide rail is 2m/min.
Above-mentioned injection method, omnibearingly can blow each position in cabinet, reduces dedusting dead angle, and strengthening is to the upper surface of each element and the dedusting of side, is ideal dedusting method.More dedusting energy consumption can be concentrated on the more upper surface of parts laying dust and side, reduce energy consumption.
To sum up, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, structure is simple, easy to use, is convenient to promote, and can be adapted to each cabinet inner-cavity structure of all kinds switch cubicle, have good dust removing effects.
2, the control system of its dedusting mechanism, rationally, good teamwork, unifiedly controls in collocation, can dedusting, injection, purification, exhaust work unify cooperation and complete.
3, its purification method can provide the air being more suitable for dedusting, and boosting method and injection method can provide and make dust-collecting air form air stream, have better dust removing effects, the dust be adsorbed on parts can be removed.
4, this dedusting mechanism is applicable to the band electric precipitation work of switch cubicle, the on-off times because of dedusting reason can be reduced, thus improve the useful life of switch cubicle, prevent dust accretions from cabinet, making switch cubicle insulating properties reduce, or the situation that the normal work of components and parts is affected occur.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the 10kv switch cubicle of a high-effective dust-removing, it is characterized in that, comprise cabinet, cabinet is provided with dedusting mechanism, described dedusting mechanism comprises air accumulator, purification mechanism, the mechanism of decompressor, booster body heat exchanger, jet mechanism, exhaust gear, described air accumulator is connected in the jet mechanism that is located in cabinet successively by heat exchanger, the mechanism of decompressor, described cabinet is provided with exhaust gear, exhaust gear to be linked back air accumulator by purification mechanism, heat exchanger, booster body successively, and air accumulator is built with inert gas; Described jet mechanism comprises ejector block, injector head; Described ejector block connects injector head by universal drive shaft, and have the booster cavity of taper in described injector head, injector head is provided with pressure sensor; The outlet of injector head is flat; Described ejector block is provided with motor and rotates for controlling universal drive shaft.
2. the 10kv switch cubicle of high-effective dust-removing according to claim 1, is characterized in that, described exhaust gear comprises blower fan, anemobiagraph and Temperature Humidity Sensor.
3. the 10kv switch cubicle of high-effective dust-removing according to claim 1, is characterized in that, described heat exchanger includes refrigerating chamber and heating chamber, and described heating chamber is provided with heater for heating heating chamber.
4. the 10kv switch cubicle of high-effective dust-removing according to claim 1, it is characterized in that, the capacity of described air accumulator is 1 cubic metre, is coated with the silver of 30-50 micron thickness inside the tank skin of air accumulator, the middle part of tank skin is vacuum layer, and the skin of tank skin is provided with the rubber layer of 1-5cm.
5. the 10kv switch cubicle of high-effective dust-removing according to claim 4, is characterized in that, described purification mechanism comprises the dust catcher, humidity control device, the electrochondria absorber that connect successively; The output of described electrochondria absorber is connected with booster body; Be provided with the dust absorption net of accordion in described dust catcher, this dust absorption net is made up of bird-nest type nano-fiber material; Be provided with sponge net and stripper plate that 40 density foam make in described humidity controller, in sponge net, be provided with the through hole that some horizontal apertures are less than 3cm; Relative both sides in described electrochondria absorber are provided with electric board, have parallel magnetic field between two electric boards.
6. the 10kv switch cubicle of the high-effective dust-removing according to any one of claim 1 to 5, is characterized in that, the control system of its dedusting mechanism, comprising:
(1), control unit;
(2), clean unit, comprise dust catcher, humidity controller, electrochondria absorber, the dust absorption net in dust catcher is to airflow filtering; Air-flow after filtration enters humidity controller, humidity controller comprises sponge net, stripper plate, there is the flexure type through hole that some apertures are not more than 3cm, length is greater than 10cm in sponge net, the madial wall of through hole is provided with granularity and is less than 5 object active carbons, sponge net absorbs the moisture in air-flow and again filters air-flow; Stripper plate is horizontally arranged with burr, the height of its burr is 3-5mm, the spacing of burr is 5-8mm, stripper plate is connected with squeezer, squeezer controls stripper plate and extrudes this sponge net thus reduce the aperture of through hole and increase the density of sponge simultaneously, improve the moisture sorption effect of sponge net, and the initial density of sponge is 41kg/m3-42kg/m3; Electrochondria absorber comprises electric board, the charged rear formation electromagnetic field of electric board, the intensity of electromagnetic field for adsorbing charged corpuscle, electric board is also provided with magnet strip by voltage control, between electric board and magnet strip, be also provided with thickness is the insulating barrier that the nonwoven fabrics of 3-7mm is made; Flow deflector is provided with between electric board;
(3), compress cell, comprise booster body, booster body comprises air engine, pneumatics chamber, pneumatics fan, pneumatics chamber is snail type, pneumatics fan is placed in pneumatics chamber and is connected with air compressor machine rotating shaft, pneumatics fan is provided with guiding gutter, the flabellum of pneumatics fan is coated with the rubber layer that 2-3mm is thick, and heat exchanger is connected with pneumatics chamber;
(4), injection unit, comprise jet mechanism, injection equipment comprises ejector block and injector head, everything axle is set between ejector block and injector head, ejector block is provided with motor to rotate for controlling universal drive shaft, ejector block is connected on cabinet madial wall by scroll slide rail, ejector block is provided with walking mechanism, walking mechanism controls ejector block and moves in spiral track, the outlet of injector head is flat, the air-flow that injector head is sprayed is fan-shaped, injector head is connected with pressure sensor, the wind pressure signal recorded is transferred to control unit through conductor wire by this pressure sensor, this injection unit is also connected with dust detector, this dust detector is connected with control unit,
(5), exhaust unit, comprise blower fan, air velocity transducer, Temperature Humidity Sensor; Blower fan, air velocity transducer, Temperature Humidity Sensor are all connected with control unit, exhaust unit is communicated with cabinet inside, exhaust unit is connected with clean unit by conduit, exhaust unit is also provided with and promptly bleeds off pressure mouth, promptly bleed off pressure mouth place and promptly bleed off pressure switch, this promptly bleeds off pressure switch and is connected with control unit;
(6), storage element, comprise air accumulator, inert gas is equipped with in its inside, and storage element is provided with Pressure gauge and pressure sensor for detecting the atmospheric pressure state of storage element, this storage element is connected with fire resisting damper, and fire resisting damper is connected to cabinet inside; Storage element is connected with compress cell with heat exchanger respectively;
(7), decompressing unit, comprise pressure-reducing valve, the control end of pressure-reducing valve is connected with control unit, and pressure-reducing valve is provided with Pressure gauge;
Control unit, comprise the control cabinet be located on cabinet, control unit is connected with clean unit, compress cell, injection unit, storage element, exhaust unit respectively, for controlling dehumidifying, the electric power absorption action of clean unit, control compress cell pressurizing action, control injection unit injection direction, speed; After startup control unit, control unit detects the dust quantity in dust detector detecting box, when control unit judges that dust quantity reaches designated value, start blower fan, air compressor machine, pressure-reducing valve successively, by the inert gas in air accumulator in clean unit, compress cell, injection unit, storage element, exhaust unit, air accumulator, cabinet Inner eycle.
7. the 10kv switch cubicle of high-effective dust-removing according to claim 6, is characterized in that, the injection method of this control system:
(1), control unit controls the motor be located on ejector block and rotates, and injector head rotates around ejector block, its average speed rotated is 20r/min, injector head is nonuniform rotation, and velocity of rotation when injector head is downward is 16r/min, injector head upwards time velocity of rotation be 24r/min;
(2), control unit controls ejector block reciprocating motion on spiral slide rail, control unit controls the movement velocity of ejector block, when ejector block is positioned at above slide rail central point, its portable cord speed is 1-2m/min, and ejector block is 2-3m/min lower than portable cord speed during slide rail central point;
(3), to control the blast at injector head place be 0m/min lower than the translational speed on slide rail of ejector block during 1kpa to control unit, and the average rotation speed of injector head is 0r/min; When injector head place blast is 1kpa-1.5kpa, the average translational speed of ejector block on slide rail is 1m/min, and the average rotation speed of injector head is 12r/min; When injector head place blast is higher than 1.5kpa to 1.83kpa, the average rotation speed of injector head is 20r/min, and the average translational speed of ejector block on slide rail is 2m/min.
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| CN105186312B (en) | 2018-09-25 |
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Effective date of registration: 20190314 Address after: 467000 East Shenma Avenue, Pingdingshan High-tech Zone, Henan Province, 6 districts to the west of Torch Garden Patentee after: Pingdingshan Sanhe High Voltage Switch Co., Ltd. Address before: 610000 Sichuan Chengdu Wuhou District Longmen Lane 6 1 Building 2 unit 12 Patentee before: Xia Jinchu |