A kind of enclosed construction of miniature electronic dehumidifying and cooling device
Affiliated technical field
The present invention relates to be installed in the enclosed construction of the outside a kind of miniature electronic dehumidifying and cooling device of electric power system 6kV and the indoor armouring switch cubicle of above electric pressure and indoor and outdoor various types of terminals bin.Especially miniature electronic dehumidifying and cooling device is installed in the enclosed construction that needs the dehumidifying and cooling device external; Need not to have a power failure compelled the cooperation by dehumidifying and cooling equipment in the time of satisfying the maintenance of miniature electronic dehumidifying and cooling device; Dehumidified by dehumidification equipment and simultaneously can be reduced ambient temperature in the bin to a certain extent; It is low that the miniature electronic dehumidifying and cooling device power consumption of enclosed construction is promoted the electronics dehumidifier power consumption of installing in the terminal bin of same power on probation than present electric power system, and the enclosed construction dehumidification rate of miniature electronic dehumidifying and cooling device is high.
Background technology
At present; The dehumidification equipment of indoor 6kV of known electric power system and the indoor armouring switch cubicle of above electric pressure adopts in the switch cubicle electric heating to join natural draft or forced ventilation, adopts compressor class dehumidifier or air conditioner to carry out the secondary dehumidifying in the switch gear room again or directly adopts compressor class dehumidifier or air conditioner directly to dehumidify.The dehumidification equipment of indoor and outdoor various types of terminals bin equipment adopts the interior installation of bin electric heating to join natural draft or forced ventilation.The electronics dehumidifier of installing in a kind of terminal bin on probation is being promoted in electric power system at present.The electric power system present situation is that indoor 6kV and the indoor armouring switch cubicle of above electric pressure internal unit effect on moisture extraction are bad; It is lower even often to be that relative humidity in the switch gear room has reached 50%RH; Find on the electric equipment condensation water is arranged in the cabinet after opening armouring switch cabinet; Explain that there is electrical safety hidden danger in this dehumanization method, because switch gear room's inner air and outer air circulates, dehumidification equipment power consumption significantly rises again.Install electric heating additional in the dehumidification equipment employing bin of indoor and outdoor various types of terminals bin equipment and join natural draft or force ventilated method; Two, three, four guide wire premature agings or scorification around the electric heater happen occasionally; Again because of the intercommunication of bin inner air and outer air; Not only effect on moisture extraction is poor for frequent heating and dehumidification, and power consumption is high equally.The electronics dehumidifier of installing in the indoor and outdoor various types of terminals bin on probation is being promoted in electric power system; Exist because the interior electric equipment design and installation of terminal bin is compact; The installation site that has not had the electronics dehumidifier promptly enables to be installed in the terminal bin sometimes, also because the installation site has influence on the repair and maintenance convenience of main equipment in the terminal bin; Because promoting the fan wind that the electronics dehumidifier of installing in the terminal bin on probation is used for electronic cooling sheet radiating and cooling, electric power system circulates again at hot side one side above-below direction; Hot blast is not easy to circulate cryosurface one side, on cryosurface, is not easy to carry out the cold and hot exchange of the big temperature difference, and condensation is few and on cryosurface, coagulate white icing easily; Effect on moisture extraction reduces, and the heat that while air condensation is discharged all remains in the terminal bin.Because the time on probation is very short; Also do not relate to the consumable accessorys of installing in the terminal bin such as electronics dehumidifier fan and safeguard the compelled case that has a power failure that cooperates of the necessary main equipment of replacing; Therefore; Promote only installation electronics dehumidifier in the terminal bin on probation, can not be applied to the dehumidifying in the indoor armouring switch cubicle of electric power system 6kV and above electric pressure.
Summary of the invention
Exist owing to electric equipment design and installation in the terminal bin is compact in order to overcome the electronics dehumidifier of installing in the existing terminal bin; The installation site that has not had the electronics dehumidifier; Sometimes promptly enable to be installed in the terminal bin, also because the installation site has influence on the repair and maintenance convenience of main equipment in the terminal bin.Because promoting the fan wind that the electronics dehumidifier of installing in the terminal bin on probation is used for electronic cooling sheet radiating and cooling, electric power system circulates again at hot side one side above-below direction; Hot blast is not easy to circulate cryosurface one side; On cryosurface, be not easy to carry out the cold and hot exchange of the big temperature difference; Condensation is few and easy to be white with fixed attention icing on cryosurface, and effect on moisture extraction reduces, and the heat that while air condensation is discharged all remains in the terminal bin.Safeguard that changing the high voltage main equipment must be compelled to cooperate power failure owing to relate to the interior consumable accessorys of installing such as electronics dehumidifier fan of armouring switch cubicle; Electronics dehumidifier installation site and insulation and strong-electromagnetic field do around; Therefore the electronics dehumidifier of installing in the terminal bin can not be applied to the dehumidifying in the indoor armouring switch cubicle of electric power system 6kV and above electric pressure.
The present invention provides a kind of miniature electronic dehumidifying and cooling device that is adapted at electric power system 6kV and indoor armouring switch cubicle of above electric pressure and the outside enclosed construction of installing of indoor outer various types of terminals bin.The miniature electronic dehumidifying and cooling device of enclosed construction can be installed in electric power system 6kV and indoor armouring switch cubicle of above electric pressure and the outside side of indoor outer various types of terminals bin, also can be installed in the position, bottom surface of armouring switch cubicle and terminal bin.The consumable accessory of the miniature electronic dehumidifying and cooling device of enclosed construction is safeguarded to change and need not to be cooperated power failure by the operational outfit of dehumidifying and cooling; Do not take in the armouring switch cubicle and the device space in the indoor outer various types of terminals bin; Do not receive High-Voltage Insulation and strong-electromagnetic field do around constraint; The electric power netting safe running reliability obtains technical guarantee, and the consuming electric power of electric power system dehumidifying and cooling significantly reduces.
The technical solution adopted for the present invention to solve the technical problems is: structurally with the radiating surface of the electronic cooling sheet of erectting and chill surface seal into separate setting but the humid air heat tunnel and the humid air condensation channel of two air communication of top UNICOM; Dispelling the heat from many rows of the above setting of the upper edge on the square smooth backboard of fin plane does not have connection fully between silver; Damp-heat air can dispel the heat from the many rows that erect and unhinderedly get into the square smooth backboard planar side of fin between the silver side; The below port of humid air heat tunnel is communicated with the end port that humid air is introduced passage; Before the another port of humid air introducing passage 3 mini fans are installed; Heat dissipation capacity size and ambient temperature according to intake and blast and electronic cooling sheet are calculated definite mini fan operation platform number; The air inlet of mini fan is as the wet wind air inlet; Lower port sealing with the humid air condensation channel; The chill surface of humid air condensation channel arrange more the refrigeration silver over against miniature closed electronics dehumidifying and cooling device base plate position open a square dry cold air flow and portal; Freeze 4 times of silver area of many rows that the area that the square dry cold air flow of the setting of being opened portals is erect more than or equal to chill surface; The humid air inlet side that the square dry cold air flow of being opened at miniature closed electronics dehumidifying and cooling device base plate portals; The edge mouth that portals along square dry cold air flow stays one to become 45 to spend the minor face edge of spending to 70 with opening; Make from the square dry cold air flow of humid air condensation channel portal the dry cold air flow that flows out to oblique upper to the space, prevent to be sucked immediately by mini fan from the square dry cold air flow dry cold air that flows out that portals, chill surface arrange more the refrigeration silver below put the rectangle funnel that catchments; The rectangle outside of funnel ejectment water pipe of catchmenting through to the miniature electronic dehumidifying and cooling device shell box of enclosed construction; Condensed water is directly discharged from the ejectment water pipe, and the catchment oblong openings area of funnel of rectangle catchments the opening of funnel along the bottom surfaces that are higher than many row's condensate films greater than the setting base area of many row's condensate films and rectangle, prevents that condensed water is from removing the place outflow of catchmenting the funnel ejectment water pipe; Putting the dash net with square dry air tap hole by pasting on the face of condensate film below many rows condensate film of condensate film; Prevent because of the dry air rate of outflow is too fast condensed water on the condensate film or in the rectangle funnel to be taken out of, the position that air flow resistance is big in passage utilizes the shell arc shape position of closed construction or baffler is set to reduce windage, and above structure is formed a kind of enclosed construction of electronics dehumidifying and cooling device.Miniature electronic dehumidifying and cooling device is made up of the enclosed construction of the DC power supply that electronic cooling sheet, mini fan and dehumidifying and cooling controller are provided and dehumidifying and cooling controller and dehumidifying and cooling device.A kind of operation principle of electronics dehumidifying and cooling device is: the armouring switch cubicle or indoor outside the suitable position in side or bottom surface of various types of terminals bin open a corresponding hole of base plate size with the miniature electronic dehumidifying and cooling device of enclosed construction; With the miniature electronic dehumidifying and cooling device of enclosed construction align with the hole that open the side or the bottom surface of armouring switch cubicle or indoor outer various types of terminals bin sealing and fix of base plate with bolt or rivet; After the energising; Dehumidifying and cooling controller humidity sensor detects and is reached the set point upper limit by humidity in the dehumidification equipment armouring switch cubicle or in the indoor outer various types of terminals bin and start electronic cooling sheet and mini fan; Electronic cooling sheet energising back heating surface temperature rises; Caloric value is transmitted to the setting of fin through contact many rows are dispelled the heat on the silver; Air themperature rises in the humid air heat tunnel of erectting; Electronic cooling sheet energising back chill surface temperature descends; Refrigerating capacity is transmitted to the setting of condensate film through contact many rows are freezed on the silver, and many rows of condensate film are freezed in the humid air condensation channel, and temperature drops to 0 ℃ and following on the silver, and mini fan sucks in the armouring switch cubicle or the humid air in the indoor outer various types of terminals bin is introduced in the passage entering humid air heat tunnel through humid air; Humid air is heated in the humid air heat tunnel; On the one hand humid air many rows of absorbing the setting of the square heating panel in the humid air heat tunnel are dispelled the heat, and heat satisfies electronic cooling sheet cooling requirement on the silver, and heat self temperature that absorbs in the radiating surface passage of humid air raises on the other hand, through two air communication passages of humid air heat tunnel and humid air condensation channel top UNICOM; The humid air that temperature raises flows in the humid air condensation channel; The humid air that temperature raises in the humid air condensation channel carries out cold and hot crossing on many rows of the setting of condensate film are freezed silver, many rows that the condensed water in the humid air is attracted to the setting of condensate film are freezed on the silver, and humid air obtains dry and cooling; Condensed water on many rows of the setting of condensate film are freezed silver flows under gravity and wind in the rectangle condensation sinking, and condensed water is directly discharged the miniature electronic dehumidifying and cooling device of enclosed construction from drip pipe.At the mini fan air inlet 1 aerial temperature and humidity detecting sensor being housed detects in the armouring switch cubicle or the aerial temperature and humidity in the various types of terminals bin outside indoor; Mini fan still regularly starts several minutes automatically under the idle situation of electronic cooling sheet; Guarantee correctly to detect in real time by the aerial temperature and humidity in the dehumidifying and cooling bin; Air humidity in the bin reaches the set point lower limit; The miniature electronic dehumidifying and cooling device of enclosed construction is out of service; Respectively adorning 1 temperature sensor on many row's heat radiation silvers with on many row's refrigeration silvers; Protection prevents that electronic cooling sheet heating surface temperature is too high and reduces the dehumidifying and cooling effect with preventing the ultra setting range frosting of electronic cooling sheet chill surface temperature, mini fan with provide the DC power supply of electronic cooling sheet, mini fan and dehumidifying and cooling controller and dehumidifying and cooling controller that self-checking function is all arranged, and upload ruuning situation and the real-time empty temperature and moisture in the bin of the miniature electronic dehumidifying and cooling device of the on-the-spot enclosed construction of transmission through RS485 or RS232 interface.
The invention has the beneficial effects as follows; Closed electronics dehumidifying and cooling device can be adapted at electric power system 6kV and the indoor armouring switch cubicle of above electric pressure or various types of terminals bin exterior lateral sides or bottom surface installation; Closed electronics dehumidifying and cooling device does not account for armouring switch cubicle and terminal bin inner space; Do not receive the interference of high voltage high-intensity magnetic field; The Maintenance and Repair of closed electronics dehumidifying and cooling device do not influence equipment operation inner with the terminal bin in the armouring switch cubicle; Particularly the indoor armouring switch cubicle of 6kV and above electric pressure can adopt closed electronics dehumidifying and cooling device fully, and closed electronics dehumidifying and cooling device repair and maintenance need not the armouring switch cubicle and cooperate to have a power failure, and also can not take place to break because of the plasticity aqueduct is aging or long easy obstruction is overflowed the condensation water of dehumidifying in the armouring switch cubicle He in the terminal bin; Detect the interior humiture of bin in real time and upload each item information data; Closed electronics dehumidifying and cooling device Automatic Control, other ventilation hole of armouring switch cubicle and indoor outer various types of terminals bin can be used magnetic silicon rubber strip of paper used for sealing or the sealing of tack silicon rubber strip of paper used for sealing, and moisture content and tiny Chinese caterpillar fungus are not easy to get in the bin; The situation that terminal corrosion and mechanism's bite take place reduces; Improved the power supply reliability and the Supply Security of electrical network,, economized on electricity more and low noise than the drying and the type of cooling of the present employing of electric power system owing to be to extract humid air in the armouring switch cubicle and in the terminal bin out to carry out cooling dry and to a certain degree.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is that the closed theory structure of miniature electronic dehumidifying and cooling device is installed in the equipment side.
Fig. 2 is that the closed theory structure of miniature electronic dehumidifying and cooling device is installed in the equipment bottom surface.
Fig. 3 is that the closed profile of miniature electronic dehumidifying and cooling device is installed in the equipment side.
Fig. 4 is that the closed profile of miniature electronic dehumidifying and cooling device is installed in the equipment bottom surface.
Fig. 5 is the condensation of closed miniature electronic dehumidifying and cooling device humid air, heat tunnel internal structure.
Fig. 6 is closed miniature electronic dehumidifying and cooling device fin three-view diagram.
Fig. 7 is closed miniature electronic dehumidifying and cooling device cooling piece three-view diagram.
Fig. 8 is miniature closed electronics dehumidifying and cooling device condensation sinking.
Fig. 9 is that the closed heterotypic support baffle plate of miniature electronic dehumidifying and cooling device is installed in the equipment side.
Figure 10 is that the closed L type of miniature electronic dehumidifying and cooling device support baffle plate is installed in the equipment bottom surface.
Figure 11 is that the closed L type of miniature electronic dehumidifying and cooling device flow apron is installed in the equipment bottom surface.
Figure 12 is miniature closed electronics dehumidifying and cooling device base plate.
The external lid of detachable box, 2. fin, 3. electronic cooling sheet, 4. heterotypic support baffle plate, 5. condensation sinking are installed in 1. sides among the figure; 6. drip pipe, 7.L type flow apron, 8. condensate film, 9. humid air condensation channel thermal insulation layer; 10. dry cold wind outlet, 11. dash nets, 12. wet wind imports, 13. mini fans; 14. the square smooth backboard of fin plane, the square smooth backboard of 15. condensate films plane, the external lid of detachable box, 17.L type support baffle plate are installed in 16. bottom surfaces; 18. the installation base plate, 19. mini fan installing holes, 20. drip pipe patchholes, 21. heterotypic support baffle plate installing holes; 22. humid air is introduced passage, 23. humid air condensation channels, and 24. humid air heat tunnels, 25. install the dry cold wind outlet of base plate flow apron.
Embodiment
According to miniature electronic dehumidifying and cooling device and equipment bottom panel installation miniature electronic dehumidifying and cooling device are being installed by the subset side, installation site on the dehumidifying and cooling equipment; All have 1 wet wind import (12), 1 dry cold wind outlet (10) and 1 dry cold wind outlet flow apron (25) on the installation base plate (18) of two kinds of miniature electronic dehumidifying and cooling devices; The external lid of detachable box (1) is installed in the side is had 1 hole of inserting drip pipe (6); Other position complete closed of miniature electronic dehumidifying and cooling device profile (Fig. 3); Heat-conducting cream is evenly coated in electronic cooling sheet (3) both sides erectting; Heating face side at the electronic cooling sheet is the square smooth backboard of fin plane (14); Electronic cooling sheet (3) heating face is fitted with the square smooth backboard of fin plane (14); The another side of fin (2) is many rows of erectting silvers that dispel the heat; Dispelling the heat from many rows of the above setting of the upper edge on the square smooth backboard of fin plane (14) does not have connection fully between silver, damp-heat air can dispel the heat from the many rows that erect and unhinderedly get into the square smooth backboard of fin plane (14) side between silver, is the square smooth backboard of condensate film plane (15) in the chill surface side of electronic cooling sheet (3); Fit in electronic cooling sheet (3) chill surface and the square smooth backboard of condensate film plane (15); The another side of condensate film (8) is many rows of erectting silvers that freeze, 2 holes of opening symmetry at fin (2) and condensate film (8) edge, and usefulness adds that the bolt of heat insulating washer and thermal sleeve clips the fastening one that is mounted to the electronic cooling sheet with fin and cooling piece.3 mini fans (13) are installed in heterotypic support baffle plate (4) mini fan installing hole (19) position.With adding that the bolt of heat insulating washer and thermal sleeve is installed in the square smooth backboard of condensate film plane (15) side bottom with condensation sinking (5); Many rows that condensate film (8) is erect silver bottom of freezing places in the condensation sinking (5) fully; A dash net of horizontal positioned (11) between condensation sinking (5) inner bottom part and condensate film (8) bottom is at many rows of the setting of condensate film (8) positive dash net (11) of erectting of silver that freezes.Drip pipe (6) is inserted the drip pipe patchhole (20) of heterotypic support baffle plate (4); Open 4 symmetrical holes at fin (2) and heterotypic support baffle plate (4) edge, clip the fastening one that is mounted to fin (2) and heterotypic support baffle plate (4) with bolt.Surface along condensate film (8) side heterotypic support baffle plate (4) separates condensate film (8) and condensation sinking (5) except that drip pipe (6) with heat insulation foam fully, forms humid air condensation channel thermal insulation layer (9).Real to clamp with the heat-insulating and sealing bar along the supreme two side inwalls downward and the side installation external lid of detachable box (1) of two side of heterotypic support baffle plate (4); The external lid of detachable box (1) bottom surface is installed to heterotypic support baffle plate (4) and side with bolt at heterotypic support baffle plate installing hole (21) and clips the fastening one that is mounted to; Front and two sides that the external lid of detachable box (1) is installed in heterotypic support baffle plate (4) and side surrounds the many rows that erect at fin (2) one of the silver side humid air heat tunnel of conducting up and down that dispels the heat, and many rows that fin (2) is erect silver that dispels the heat is wherein besieged.Two sides that the external lid of detachable box (1) is installed in heterotypic support baffle plate (4) and side with base plate (18) is installed is surrounded many rows that condensate film (8) is erect and freeze above of silver side and to the humid air condensation channel that the dry cold wind outlet of base plate (18) (10) conducting is installed, many rows that condensate film (8) is erect silver that freezes is wherein besieged.
Shown in Figure 2 be that the closed theory structure of miniature electronic dehumidifying and cooling device is installed in the equipment bottom surface; Owing to installed by the bin bottom surface of dehumidifying and cooling equipment; Dry cold wind outlet (10) and wet wind import (12) need place the equipment bottom surface that the enclosed top of miniature electronic dehumidifying and cooling device is installed; L type support baffle plate (17) is formed humid air introducing passage (22) with the side that three settings of the external lid of detachable box (16) are installed in the bottom surface; L type support baffle plate (17) and L type flow apron (7) are formed humid air heat tunnel (24) with the side that two settings of the external lid of detachable box (16) are installed in the bottom surface; Two are the L type flow apron (7) of diagonal angle installation and with the bottom surface side composition humid air condensation channel (23) of two settings of the external lid of detachable box (16) are installed; The side of three settings of a L type flow apron (7) and the bottom surface installation external lid of detachable box (16) and a bottom surface composition cold dry air return and upwards get in the armouring switch cubicle or the passage (23) in the indoor outer various types of terminals bin, and installation base plate drying cold wind exports flow apron (25).
Shown in Figure 3 be that the closed profile of miniature electronic dehumidifying and cooling device is installed in the equipment side; Except that dry cold wind outlet (10) and wet wind import (12) and drip pipe (6); The sealing of miniature electronic dehumidifying and cooling device profile is installed in the side, and the dry cold wind outlet of base plate flow apron (25) is installed.
Shown in Figure 4 be that the closed profile of miniature electronic dehumidifying and cooling device is installed in the equipment bottom surface; Except that dry cold wind outlet (10) and wet wind import (12) and drip pipe (6); The sealing of miniature electronic dehumidifying and cooling device profile is installed in the bottom surface, and the dry cold wind outlet of base plate flow apron (25) is installed.
Shown in Figure 5 be the internal structure of closed miniature electronic dehumidifying and cooling device humid air heat tunnel (24) and humid air condensation channel (23), be electronic cooling sheet (3) between the square smooth backboard plane (14) of fin (2) and the square smooth backboard plane (15) of condensate film (8).
Shown in Figure 6 be closed miniature electronic dehumidifying and cooling device fin three-view diagram.
Shown in Figure 7 be closed miniature electronic dehumidifying and cooling device cooling piece three-view diagram.
Shown in Figure 8 be miniature closed electronics dehumidifying and cooling device condensation sinking, condensation sinking (5) and drip pipe (6).
Shown in Figure 9 be that miniature electronic dehumidifying and cooling device closed heterotypic support baffle plate, drip pipe patchhole (20) and mini fan installing hole (19) are installed in the equipment side.
Shown in Figure 10 be that the closed L type of miniature electronic dehumidifying and cooling device support baffle plate, mini fan installing hole (19) are installed in the equipment bottom surface.
Shown in Figure 11 be that the closed L type of miniature electronic dehumidifying and cooling device flow apron is installed in the equipment bottom surface.
Shown in Figure 12 be miniature closed electronics dehumidifying and cooling device base plate, dry cold wind outlet (10) and wet wind import (12) with base plate drying cold wind be installed exported flow apron (25).