CN105207086A - Uniform heat dissipation ring main unit adopting compressor for refrigerating air supply - Google Patents
Uniform heat dissipation ring main unit adopting compressor for refrigerating air supply Download PDFInfo
- Publication number
- CN105207086A CN105207086A CN201510723691.2A CN201510723691A CN105207086A CN 105207086 A CN105207086 A CN 105207086A CN 201510723691 A CN201510723691 A CN 201510723691A CN 105207086 A CN105207086 A CN 105207086A
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- Prior art keywords
- plate
- air
- inner sleeve
- rail
- ring
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Classifications
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- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- 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
Abstract
A uniform heat dissipation ring main unit adopting a compressor for refrigerating air supply comprises a cuboid-shaped cabinet body, wherein the cabinet body consists of a left side plate, a right side plate, a top plate, a baseplate, a rear side plate and a cabinet door; a partition is horizontally arranged between the left side plate and the right side plate; shutters are arranged on the left side plate and the right side plate respectively; a left standing plate and a right standing plate are arranged between the top plate and the baseplate; the left standing plate and the left side plate are parallel and adjacent to each other; the right standing plate and the right side plate are parallel and adjacent to each other; air holes are uniformly formed in both the left standing plate and the right standing plate; electric elements are arranged on the right side of the left standing plate and on the left side of the right standing plate; a rotational air volume adjusting mechanism is arranged between the centers of the top plate and the baseplate; a refrigerating air supply device communicated with the rotational air volume adjusting mechanism is arranged on the upper surface of the top plate. The uniform heat dissipation ring main unit is simple in structure, easy to operate, good in heat dissipation effect, low in energy consumption, high in reliability and good in dust-proof effect; by virtue of multiple air volume adjustment structures, the temperature inside the cabinet body can be kept to ensure that the electric elements are in a favorable working state, and accordingly, the service lives of the electric elements are prolonged.
Description
Technical field
The present invention relates to a kind of electric equipment, particularly relate to a kind of compressor cooling air-supply Homogeneouslly-radiating formula ring main unit.
Background technology
Ring main unit is that one group of high voltage switchgear is contained in steel sheet metal cabinet or makes the electric equipment of assembled compartment ring network power supplying units, its core adopts the electric component such as on-load switch and fuse, has that structure is simple, volume is little, price is low, can improve power supply parameter and the advantage such as performance and power supply safety.In the power distribution station that it is widely used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box-type substation.
The electric component installed in ring main unit is sent out caloric requirement thermogenetic and is uninterruptedly discharged, to ensure the normal operation of electric component.At present, in ring main unit, electric component carry out dispelling the heat adopted mode and structure has following defect: 1, because ring main unit is all generally highly higher, adopt vertical ventilation, wind path is longer, the cold wind of wind path end is heated, therefore the temperature in ring main unit is still higher, and radiating effect is poor, causes electric component shortening in useful life; 2, wind path air inlet dust is more, makes to enter into wind in ring main unit and carries more dust; 3, after electric component Long-Time Service, easily accumulate dust at positions such as the recess of electric component, irregular protrusion places, reduce electric component useful life, form potential safety hazard (likely causing short circuit); 4, the air quantity of wind path does not arrange governor motion, and power consumption is comparatively large, and cooling heat dissipation efficiency is low.
Summary of the invention
The present invention, in order to solve weak point of the prior art, provides that a kind of good cooling results, cooling air quantity size are adjustable, carries the compressor cooling air-supply Homogeneouslly-radiating formula ring main unit that dust is few, consume energy little, cooling heat dissipation efficiency is high in cooling air.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: compressor cooling air-supply Homogeneouslly-radiating formula ring main unit, comprise the cabinet in rectangular shape, cabinet is by left plate, right plate, top board, base plate, back side panel and cabinet door are formed, between left plate and right plate, level is provided with dividing plate, , left plate and right plate are respectively equipped with shutter, left riser and right riser is provided with between top board and base plate, left riser is parallel with left plate and adjacent, right riser is parallel with right plate and adjacent, left riser and right riser are evenly provided with air-vent, electric component is respectively equipped with on the right side of left riser He on the left of right riser, be provided with air quantity between ceiling center and base plate central authorities and rotate governor motion,
Air quantity rotates governor motion and comprises outer tube, inner sleeve and servomotor, the upper and lower two ends of outer tube are fixedly connected with base plate with top board respectively, inner sleeve is coaxial to be located in outer tube, servomotor is positioned at outer tube and is fixed on base plate, the main shaft of servomotor is connected with erection column by shaft coupling is coaxial, erection column internal diameter is equal with inner sleeve internal diameter, inner sleeve lower end to be plugged in erection column and to contact with shaft coupling, by being fixedly connected with along the mounting screw in horizontal radial direction between inner sleeve with erection column; Outer tube is evenly provided with outer arcuate hole, inner sleeve is evenly provided with arc hole, outer arcuate hole and arc hole are all horizontally disposed with and one_to_one corresponding; Have gap between outer sleeve inner wall and inner sleeve outer wall, outer sleeve inner wall is provided with locating ring and is positioned at the sliding sleeve on the upside of locating ring, sliding sleeve outer wall and outer sleeve inner wall secure fit, sliding sleeve inwall and inner sleeve outer wall matched in clearance;
Cover top surface is provided with refrigeration air-supply arrangement and installing rack, refrigeration air-supply arrangement comprises housing, be provided with box body in housing and be positioned at the refrigerant compressor at box body top, condenser, condensation radiator, choke valve, air quantity regulates motor and turbofan, evaporator is provided with and for regulating the air door of ventilation-sectional area size in box body in box body, the rotating shaft be rotatably connected on box body is vertically provided with in the middle part of air door, air quantity regulates the main shaft of motor to be connected with rotating shaft transmission, condensation radiator is located on condenser, housing is provided with the heat radiation air-inlet window of contiguous refrigerant compressor and the heat radiation air outlet window of contiguous condensation radiator, refrigerant compressor, condenser, choke valve, evaporator and refrigerant compressor sequentially pass through pipeline and are connected, housing is provided with the cooling air inlet be connected with turbofan air inlet, box body is provided with the air intake vent be communicated with turbofan air outlet, air door is between air intake vent and evaporator, box body is connected with wind scooper in one end of contiguous evaporator, the outlet of wind scooper is connected with the flexible hose stretching out housing, flexible hose is provided with jaw type wind speed governor motion, installing rack is removably connected with straight connector, straight connector is vertically arranged, straight connector upper end is connected with flexible hose by union elbow, and inner sleeve upper end extend in straight connector through top board is coaxial, is provided with rotational sealing structure between straight connector and inner sleeve, top board is provided with the sealing ring that inner sleeve outer wall is sealed and matched,
Jaw type wind speed governor motion comprises vertically disposed fixed head, fixed head one side surface is provided with the square tube regulating motor and vertically arrange, the clutch end of motor is regulated to be connected with gear, square tube sidepiece is provided with casing outside gear and adjustment motor, tooth bar is slidably connected in square tube, square tube sidepiece is provided with the breach be communicated with square tube inside, gear side to extend in breach and is connected with a joggle with tooth bar, tooth bar upper end is coaxial is connected with pull bar, pull bar upper end is connected with travelling carriage, fixed head upper articulation has rear plate and front plate, rear plate is provided with rear rail on front side of lower end, front plate is provided with fromer rail on rear side of lower end, distance between rear rail and fromer rail lower end is greater than the distance between rear rail and fromer rail upper end, rear rail and fromer rail are about symmetry before and after vertical plane and structure is identical, two rear sliders slided along rear rail are provided with on rear side of travelling carriage, two front-sliders slided along fromer rail are provided with on front side of travelling carriage, gib block is provided with along its length in the middle part of rear rail front surface, the gathering sill be slidably matched with gib block is provided with in the middle of on rear side of rear slider, rear plate upper end thereof has semicircular rear clamp ring, front plate upper end thereof has semicircular front clamp ring, be oppositely arranged before and after the opening of front clamp ring and rear clamp ring, flexible hose is clamped between rear clamp ring and front clamp ring, connected by extension spring between rear plate and front plate, extension spring is positioned at the downside of rear plate and fixed head pin joint,
Rotational sealing structure comprises the upper limit ring be located at outside inner sleeve upper end and the lower limit ring being located at straight connector lower surface, lower limit ring is removably connected by trip bolt and straight connector, be provided with the sealing shroud of polyurethane material between upper limit ring and lower limit ring, sealing shroud coordinates with inner sleeve outer wall and the slipper seal of straight connector inwall respectively;
Left plate outer surface and right plate outer surface are respectively equipped with left dust exhaust apparatus and right dust exhaust apparatus at shutter place, and left dust exhaust apparatus is identical with the structure of right dust exhaust apparatus and symmetrical; Left dust exhaust apparatus comprises suspended hood left small and right large, and the right-hand member of suspended hood is fixedly located on left plate, and suspended hood left end is connected with air exhauster, and suspended hood is provided with one-way ventilating valve;
Electric component top is provided with rotary drifting dust mechanism, rotary drifting dust mechanism comprises electric rotating machine, mini air compressor and nozzle, electric rotating machine is located on electric component, the main shaft of electric rotating machine is connected with mini air compressor by power transmission shaft, the outlet of mini air compressor is connected with the import of nozzle by high-voltage tube, and the puff prot of nozzle is obliquely towards electric component upper surface;
Housing outer surface is provided with the slide rail being positioned at the cooling air inlet left and right sides, article two, slide rail is parallel and all vertically arrange, slide rail slidably connects slide plate, slide plate lower edge is provided with handle, slide plate is provided with the screen pack that and slipper seal corresponding with cooling air inlet connects, mesh on screen pack diminishes from top to bottom gradually, housing is provided with the upper limit position block between two slide rail upper ends, housing is provided with the lower position block between two slide rail lower ends, by plastic buckle snap-fit engagement between slide plate bottom and surface of shell.
Inner sleeve inwall is in axial direction provided with at least twice reinforcement.
Adopt technique scheme, radiating principle of the present invention is as follows: open turbine blower fan, the dust carried in cold wind or dust are filtered in advance by screen pack, after air in box body is cooled, turbofan is dried in box body, air-flow is cooled through evaporator, cold air passes through wind scooper, flexible hose, union elbow, inner sleeve, arc hole, enter into behind outer arcuate hole around electric component, cooling heat dissipation is carried out to electric component, the heat that electric component distributes is along with air-flow is through air-vent, shutter is discharged in suspended hood, one-way ventilating valve again on suspended hood is discharged.
Air quantity regulates motor to drive air door to rotate by rotating shaft, and air door rotates the ventilation-sectional area that can regulate box body, thus have adjusted the air output of cold wind, reaches the object regulating cooling effect.
The refrigeration principle of refrigeration air-supply arrangement is as follows: refrigerant compressor is compressed into high temperature and high pressure gas cold-producing medium by low temperature low pressure gas, then becomes the liquid of normal temperature high voltage through condenser condenses, after choke valve throttling, then becomes the liquid of low-temp low-pressure.The liquid refrigerant of low-temp low-pressure sends into evaporator, and in evaporator, heat absorption is evaporated and becomes the steam of high-temperature low-pressure, is again delivered into refrigerant compressor, thus completes kind of refrigeration cycle.
Specific structural features of the present invention has following beneficial effect:
1, the setting of screen pack, can once filter by air to external world, and clean air enters into refrigeration air-supply arrangement and freezed; Mesh on screen pack diminishes from top to bottom gradually and slide plate slides is connected on slide rail, like this can the adjusted filter screen position adjustments corresponding with between cooling air inlet by the air capacity of screen pack, tentatively regulate cooling effect.
2, temperature sensor for monitoring temperature in cabinet being also installed in cabinet, when temperature in cabinet is lower or higher, servomotor can be started and/or regulate motor to regulate exhausting amount; When starting servomotor, inner sleeve is driven to rotate, because inner sleeve length is suitable with cabinet height, the reinforcement that inner sleeve inwall is arranged can strengthen the moment of torsion of inner sleeve, inner sleeve rotates, adjustable arc hole and the size overlapped between outer arcuate hole, thus regulates the size of exhausting amount; When starting adjustment motor, flexible hose clamps by rear clamp ring and front clamp ring, carries out the adjustment of exhausting amount by the distance between rear clamp ring and front clamp ring.Concrete adjustment process is as follows: regulate motor by manipulation, adjustment motor-driven gear rotates, the tooth bar that gear drive is engaged with along square tube to the right or be moved to the left, the pull bar coaxial with tooth bar promotes or pulls travelling carriage to move up or down, under the effect of extension spring, rear slider on rear plate and the front-slider on front plate slide along rear rail and fromer rail all the time respectively, when pull bar upwards pushes away, travelling carriage moves up, distance between rear rail and fromer rail increases, under the effect of lever principle, the rear clamp ring of rear plate upper end and the front clamp ring of front plate upper end grip flexible hose, the sectional area of flexible hose diminishes, exhausting amount reduces, in like manner, when pull bar pulls down, the sectional area of flexible hose becomes large, exhausting amount increases, so just can regulate the exhausting amount in cabinet, thus reach the effect regulating good heat radiating in cabinet.
3, after the present invention runs a period of time, electric component upper surface can adhere to one deck dust, start electric rotating machine and mini air compressor, electric rotating machine drives the rotation of 360 °, power transmission shaft, mini air compressor and nozzle, the high pressure draught that mini air compressor produces is sprayed by nozzle, and the dust on electric original paper surface is blown afloat; Meanwhile, start air exhauster, air exhauster is extracted out electric component starts the dust come through air-vent and shutter; One-way ventilating valve has the effect of outwards ventilative not inwardly air inlet.
4, the sealing shroud of polyurethane material in rotational sealing structure, not only has good sealing function, and smooth, resistance to wear good; Upper limit ring and lower limit ring, for limiting the position of sealing shroud, when sealing shroud changed by needs, can be backed out trip bolt, be taken off by lower limit ring and sealing shroud can be taken out and install new sealing shroud.
5, inner sleeve lower end to be plugged in erection column and contact with shaft coupling, by being fixedly connected with along the mounting screw in horizontal radial direction between inner sleeve with erection column, and the so not only gravity of support inner sleeve itself, and can be inner sleeve driving torque is provided.
6, sliding sleeve plays the effect limiting inner sleeve and do not tilt, when changing after wearing and tearing, and the effect that locating ring does not move down for limiting sliding sleeve.
In sum, structure of the present invention is simple, be easy to operation, good heat dissipation effect, power consumption is little, reliability is strong, good dustproof effect, keep the temperature of good working state by the structure of multiple adjustment air output size to make electric component in cabinet, thus extend the useful life of electric component.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged drawing of rotational sealing structure in Fig. 1;
Fig. 3 is the enlarged drawing at A place in Fig. 1;
Fig. 4 is the enlarged drawing at B place in Fig. 1;
Fig. 5 is that enlarged drawing is looked on a left side for jaw type wind speed governor motion in Fig. 1;
Fig. 6 is the structural representation of rear rail in Fig. 5;
Fig. 7 is the structural representation of rear slider in Fig. 5;
Fig. 8 is the contour structures schematic diagram of air-supply arrangement of freezing in Fig. 1;
Fig. 9 is the internal structure schematic diagram of Fig. 8.
Embodiment
As shown in Fig. 1-Fig. 9, compressor cooling air-supply Homogeneouslly-radiating formula ring main unit of the present invention, comprise the cabinet in rectangular shape, cabinet is by left plate 1, right plate 2, top board 3, base plate 4, back side panel 5 and cabinet door (meaning not shown in the figures out) are formed, between left plate 1 and right plate 2, level is provided with dividing plate 6, left plate 1 and right plate 2 are respectively equipped with shutter 7, left plate 1 inwall and right plate 2 inwall are provided with ash-clearing structure at shutter 7 place, left riser 8 and right riser 9 is provided with between top board 3 and base plate 4, left riser 8 is parallel with left plate 1 and adjacent, right riser 9 is parallel with right plate 2 and adjacent, left riser 8 and right riser 9 are evenly provided with exhausting hole 10, electric component 11 is respectively equipped with on the right side of left riser 8 He on the left of right riser 9.
Be provided with air quantity between top board 3 central authorities and base plate 4 central authorities and rotate governor motion, air quantity rotates governor motion and comprises outer tube 12, inner sleeve 13 and servomotor 14, outer tube about 12 two ends are fixedly connected with base plate 4 with top board 3 respectively, inner sleeve 13 is coaxial to be located in outer tube 12, servomotor 14 is positioned at outer tube 12 and is fixed on base plate 4, the main shaft of servomotor 14 is connected with erection column 16 by shaft coupling 15 is coaxial, erection column 16 internal diameter is equal with inner sleeve 13 internal diameter, inner sleeve 13 lower end to be plugged in erection column 16 and to contact with shaft coupling 15, be fixedly connected with by the mounting screw 17 along horizontal radial direction between inner sleeve 13 with erection column 16, outer tube 12 is evenly provided with outer arcuate hole 18, inner sleeve 13 is evenly provided with arc hole 19, outer arcuate hole 18 and arc hole 19 are all horizontally disposed with and one_to_one corresponding, have gap between outer tube 12 inwall and inner sleeve 13 outer wall, the sliding sleeve 21 that outer tube 12 inwall is provided with locating ring 20 and is positioned on the upside of locating ring 20, sliding sleeve 21 outer wall coordinates with outer tube 12 inner wall tightening, sliding sleeve 21 inwall and inner sleeve 13 outer wall matched in clearance.
Top board 3 upper surface is provided with refrigeration air-supply arrangement 22 and installing rack 23, refrigeration air-supply arrangement 22 comprises housing 53, be provided with box body 60 in housing 53 and be positioned at the refrigerant compressor 61 at box body 60 top, condenser 62, condensation radiator 63, choke valve 64, air quantity regulates motor 65 and turbofan 66, evaporator 67 is provided with and for regulating the air door 68 of ventilation-sectional area size in box body 60 in box body 60, the rotating shaft 69 be rotatably connected on box body 60 is vertically provided with in the middle part of air door 68, air quantity regulates the main shaft of motor 65 and rotating shaft 69 to be in transmission connection, condensation radiator 63 is located on condenser 62, housing 53 is provided with the heat radiation air-inlet window 70 of contiguous refrigerant compressor 61 and the heat radiation air outlet window 71 of contiguous condensation radiator 63, refrigerant compressor 61, condenser 62, choke valve 64, evaporator 67 sequentially passes through pipeline with refrigerant compressor 61 and is connected, housing 53 is provided with the cooling air inlet 72 be connected with turbofan 66 air inlet, box body 60 is provided with the air intake vent be communicated with turbofan 66 air outlet, air door 68 is between air intake vent and evaporator 67, box body 60 is connected with wind scooper 73 in one end of contiguous evaporator 67, the outlet of wind scooper 73 is connected with the flexible hose 24 stretching out housing 53, flexible hose 24 is provided with jaw type wind speed governor motion 25, installing rack 23 is removably connected with straight connector 26, straight connector 26 is vertically arranged, straight connector 26 upper end is connected with flexible hose 24 by union elbow 27, inner sleeve 13 upper end extend in straight connector 26 through top board 3 is coaxial, is provided with rotational sealing structure 28 between straight connector 26 and inner sleeve 13, top board 3 is provided with the sealing ring 29 that inner sleeve 13 outer wall is sealed and matched.
Jaw type wind speed governor motion 25 comprises vertically disposed fixed head 30, fixed head 30 1 side surface is provided with the square tube 32 regulating motor 31 and vertically arrange, the clutch end of motor 31 is regulated to be connected with gear 33, square tube 32 sidepiece is provided with casing 59 outside gear 33 and adjustment motor 31, tooth bar 34 is slidably connected in square tube 32, square tube 32 sidepiece is provided with the breach 35 be communicated with square tube 32 inside, gear 33 side to extend in breach 35 and is connected with a joggle with tooth bar 34, tooth bar 34 upper end is coaxial is connected with pull bar 36, pull bar 36 upper end is connected with travelling carriage 37, fixed head 30 upper articulation has rear plate 38 and front plate 39, rear plate 38 is provided with rear rail 40 on front side of lower end, front plate 39 is provided with fromer rail 41 on rear side of lower end, distance between rear rail 40 and fromer rail 41 lower end is greater than the distance between rear rail 40 and fromer rail 41 upper end, rear rail 40 and fromer rail 41 are about symmetry before and after vertical plane and structure is identical, two rear sliders 42 slided along rear rail 40 are provided with on rear side of travelling carriage 37, two front-sliders 43 slided along fromer rail 41 are provided with on front side of travelling carriage 37, gib block 44 is provided with along its length in the middle part of rear rail 40 front surface, the gathering sill 45 be slidably matched with gib block 44 is provided with in the middle of on rear side of rear slider 42, rear plate 38 upper end thereof has semicircular rear clamp ring 46, front plate 39 upper end thereof has semicircular front clamp ring 47, be oppositely arranged before and after the opening of front clamp ring 47 and rear clamp ring 46, flexible hose 24 is clamped between rear clamp ring 46 and front clamp ring 47, connected by extension spring 48 between rear plate 38 and front plate 39, extension spring 48 is positioned at the downside of rear plate 38 and fixed head 30 pin joint.
Rotational sealing structure 28 comprises the upper limit ring 50 be located at outside inner sleeve 13 upper end and the lower limit ring 49 being located at straight connector 26 lower surface, lower limit ring 49 is removably connected by trip bolt 51 and straight connector 26, be provided with the sealing shroud 52 of polyurethane material between upper limit ring 50 and lower limit ring 49, sealing shroud 52 coordinates with inner sleeve 13 outer wall and the slipper seal of straight connector 26 inwall respectively.
Left plate 1 outer surface and right plate 2 outer surface are respectively equipped with left dust exhaust apparatus and right dust exhaust apparatus at shutter 7 place, and left dust exhaust apparatus is identical with the structure of right dust exhaust apparatus and symmetrical; Left dust exhaust apparatus comprises suspended hood 74 left small and right large, and the right-hand member of suspended hood 74 is fixedly located on left plate 1, and suspended hood 74 left end is connected with air exhauster 75, and suspended hood 74 is provided with one-way ventilating valve 76;
Electric component 11 top is provided with rotary drifting dust mechanism, rotary drifting dust mechanism comprises electric rotating machine 54, mini air compressor 55 and nozzle 57, electric rotating machine 54 is located on electric component 11, the main shaft of electric rotating machine 54 is connected with mini air compressor 55 by rotating shaft 56, the outlet of mini air compressor 55 is connected by the import of high-voltage tube with nozzle 57, and the puff prot of nozzle 57 is obliquely towards the upper surface of electric component 11.Inner sleeve 13 inwall is in axial direction provided with at least twice reinforcement 58.
Housing 53 outer surface is provided with the slide rail 77 being positioned at cooling air inlet 72 left and right sides, article two, slide rail 77 is parallel and all vertically arrange, slide rail 77 slidably connects slide plate 78, slide plate 78 lower edge is provided with handle 83, slide plate 78 is provided with the screen pack 79 that and slipper seal corresponding with cooling air inlet 72 connects, mesh on screen pack 79 diminishes from top to bottom gradually, housing 53 is provided with the upper limit position block 80 between two slide rail 77 upper ends, housing 53 is provided with the lower position block 81 between two slide rail 77 lower ends, by plastic buckle 82 snap-fit engagement between slide plate 78 bottom and housing 53 surface.Upper limit position block 80 and lower position block 81 limit the extreme position that slide plate 78 slides up and down respectively, and plastic buckle 82 is for the position of fixed glides 78 on slide rail 77.
Radiating principle of the present invention is as follows: open turbine blower fan 66, the dust carried in cold wind or dust are filtered in advance by screen pack 79, after air in box body 60 is cooled, turbofan 66 is dried in box body 60, air-flow is cooled through evaporator 67, cold air is by wind scooper 73, flexible hose 24, union elbow 27, inner sleeve 13, arc hole 19, enter into around electric component 11 behind outer arcuate hole 18, cooling heat dissipation is carried out to electric component 11, the heat that electric component 11 distributes is along with air-flow is through air-vent 10, shutter 7 is discharged in suspended hood 74, one-way ventilating valve 76 again on suspended hood 74 is discharged.
Air quantity regulates motor 65 to drive air door 68 to rotate by rotating shaft 69, and air door 68 rotates the ventilation-sectional area that can regulate box body 60, thus have adjusted the air output of cold wind, reaches the object regulating cooling effect.
The refrigeration principle of refrigeration air-supply arrangement 22 is as follows: refrigerant compressor 61 is compressed into high temperature and high pressure gas cold-producing medium by low temperature low pressure gas, then is condensed into the liquid of normal temperature high voltage through condenser 62, after choke valve 64 throttling, then becomes the liquid of low-temp low-pressure.The liquid refrigerant of low-temp low-pressure sends into evaporator 67, and in evaporator 67, heat absorption is evaporated and becomes the steam of high-temperature low-pressure, is again delivered into refrigerant compressor 61, thus completes kind of refrigeration cycle.
The setting of screen pack 79, can once filter by air to external world, and clean air enters into refrigeration air-supply arrangement 22 and freezed; Mesh on screen pack 79 diminishes from top to bottom gradually and slide plate 78 is slidably connected on slide rail 77, like this can adjusted filter screen 79 position adjustments corresponding with between cooling air inlet 72 by the air capacity of screen pack 79, tentatively regulate cooling effect.
Temperature sensor for monitoring temperature in cabinet being also installed in cabinet, when temperature in cabinet is lower or higher, servomotor 14 can be started and/or regulate motor 31 pairs of exhausting amounts to regulate; When starting servomotor 14, inner sleeve 13 is driven to rotate, because inner sleeve 13 length is suitable with cabinet height, the reinforcement that inner sleeve 13 inwall is arranged can strengthen the moment of torsion of inner sleeve 13, inner sleeve 13 rotates, adjustable arc hole 19 and the size overlapped between outer arcuate hole 18, thus the size regulating exhausting amount; When starting adjustment motor 31, flexible hose 24 clamps by rear clamp ring 46 and front clamp ring 47, carries out the adjustment of exhausting amount by the distance between rear clamp ring 46 and front clamp ring 47.Concrete adjustment process is as follows: regulate motor 31 by manipulation, motor 31 driven wheel 33 is regulated to rotate, gear 33 drives the tooth bar 34 that is engaged with along square tube 32 or be moved to the left to the right, the pull bar 36 coaxial with tooth bar 34 promotes or pulls travelling carriage 37 to move up or down, under the effect of extension spring 48, rear slider 42 on rear plate 38 and the front-slider 43 on front plate 39 slide along rear rail 40 and fromer rail 41 all the time respectively, when pull bar 36 upwards pushes away, travelling carriage 37 moves up, distance between rear rail 40 and fromer rail 41 increases, under the effect of lever principle, the rear clamp ring 46 of rear plate 38 upper end and the front clamp ring 47 of front plate 39 upper end grip flexible hose 24, the sectional area of flexible hose 24 diminishes, exhausting amount reduces, in like manner, when pull bar 36 pulls down, the sectional area of flexible hose 24 becomes large, exhausting amount increases, so just can regulate the exhausting amount in cabinet, thus reach the effect regulating good heat radiating in cabinet.
After the present invention runs a period of time, electric component 11 upper surface can adhere to one deck dust, start electric rotating machine 54 and mini air compressor 55, electric rotating machine 54 drives power transmission shaft 56, mini air compressor 55 and nozzle 57 to rotate 360 °, the high pressure draught that mini air compressor 55 produces is sprayed by nozzle 57, and the dust on electric original paper surface is blown afloat; Meanwhile, start air exhauster 75, air exhauster 75 is extracted out electric component 11 starts the dust come through air-vent 10 and shutter 7; One-way ventilating valve 76 has the effect of outwards ventilative not inwardly air inlet.
Above embodiment is the unrestricted technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: still can modify to the present invention or equivalent replacement, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (2)
1. compressor cooling air-supply Homogeneouslly-radiating formula ring main unit, comprise the cabinet in rectangular shape, cabinet is made up of left plate, right plate, top board, base plate, back side panel and cabinet door, between left plate and right plate, level is provided with dividing plate, it is characterized in that: left plate and right plate are respectively equipped with shutter, left riser and right riser is provided with between top board and base plate, left riser is parallel with left plate and adjacent, right riser is parallel with right plate and adjacent, left riser and right riser are evenly provided with air-vent, on the right side of left riser He on the left of right riser, are respectively equipped with electric component; Be provided with air quantity between ceiling center and base plate central authorities and rotate governor motion;
Air quantity rotates governor motion and comprises outer tube, inner sleeve and servomotor, the upper and lower two ends of outer tube are fixedly connected with base plate with top board respectively, inner sleeve is coaxial to be located in outer tube, servomotor is positioned at outer tube and is fixed on base plate, the main shaft of servomotor is connected with erection column by shaft coupling is coaxial, erection column internal diameter is equal with inner sleeve internal diameter, inner sleeve lower end to be plugged in erection column and to contact with shaft coupling, by being fixedly connected with along the mounting screw in horizontal radial direction between inner sleeve with erection column; Outer tube is evenly provided with outer arcuate hole, inner sleeve is evenly provided with arc hole, outer arcuate hole and arc hole are all horizontally disposed with and one_to_one corresponding; Have gap between outer sleeve inner wall and inner sleeve outer wall, outer sleeve inner wall is provided with locating ring and is positioned at the sliding sleeve on the upside of locating ring, sliding sleeve outer wall and outer sleeve inner wall secure fit, sliding sleeve inwall and inner sleeve outer wall matched in clearance;
Cover top surface is provided with refrigeration air-supply arrangement and installing rack, refrigeration air-supply arrangement comprises housing, be provided with box body in housing and be positioned at the refrigerant compressor at box body top, condenser, condensation radiator, choke valve, air quantity regulates motor and turbofan, evaporator is provided with and for regulating the air door of ventilation-sectional area size in box body in box body, the rotating shaft be rotatably connected on box body is vertically provided with in the middle part of air door, air quantity regulates the main shaft of motor to be connected with rotating shaft transmission, condensation radiator is located on condenser, housing is provided with the heat radiation air-inlet window of contiguous refrigerant compressor and the heat radiation air outlet window of contiguous condensation radiator, refrigerant compressor, condenser, choke valve, evaporator and refrigerant compressor sequentially pass through pipeline and are connected, housing is provided with the cooling air inlet be connected with turbofan air inlet, box body is provided with the air intake vent be communicated with turbofan air outlet, air door is between air intake vent and evaporator, box body is connected with wind scooper in one end of contiguous evaporator, the outlet of wind scooper is connected with the flexible hose stretching out housing, flexible hose is provided with jaw type wind speed governor motion, installing rack is removably connected with straight connector, straight connector is vertically arranged, straight connector upper end is connected with flexible hose by union elbow, and inner sleeve upper end extend in straight connector through top board is coaxial, is provided with rotational sealing structure between straight connector and inner sleeve, top board is provided with the sealing ring that inner sleeve outer wall is sealed and matched,
Jaw type wind speed governor motion comprises vertically disposed fixed head, fixed head one side surface is provided with the square tube regulating motor and vertically arrange, the clutch end of motor is regulated to be connected with gear, square tube sidepiece is provided with casing outside gear and adjustment motor, tooth bar is slidably connected in square tube, square tube sidepiece is provided with the breach be communicated with square tube inside, gear side to extend in breach and is connected with a joggle with tooth bar, tooth bar upper end is coaxial is connected with pull bar, pull bar upper end is connected with travelling carriage, fixed head upper articulation has rear plate and front plate, rear plate is provided with rear rail on front side of lower end, front plate is provided with fromer rail on rear side of lower end, distance between rear rail and fromer rail lower end is greater than the distance between rear rail and fromer rail upper end, rear rail and fromer rail are about symmetry before and after vertical plane and structure is identical, two rear sliders slided along rear rail are provided with on rear side of travelling carriage, two front-sliders slided along fromer rail are provided with on front side of travelling carriage, gib block is provided with along its length in the middle part of rear rail front surface, the gathering sill be slidably matched with gib block is provided with in the middle of on rear side of rear slider, rear plate upper end thereof has semicircular rear clamp ring, front plate upper end thereof has semicircular front clamp ring, be oppositely arranged before and after the opening of front clamp ring and rear clamp ring, flexible hose is clamped between rear clamp ring and front clamp ring, connected by extension spring between rear plate and front plate, extension spring is positioned at the downside of rear plate and fixed head pin joint,
Rotational sealing structure comprises the upper limit ring be located at outside inner sleeve upper end and the lower limit ring being located at straight connector lower surface, lower limit ring is removably connected by trip bolt and straight connector, be provided with the sealing shroud of polyurethane material between upper limit ring and lower limit ring, sealing shroud coordinates with inner sleeve outer wall and the slipper seal of straight connector inwall respectively;
Left plate outer surface and right plate outer surface are respectively equipped with left dust exhaust apparatus and right dust exhaust apparatus at shutter place, and left dust exhaust apparatus is identical with the structure of right dust exhaust apparatus and symmetrical; Left dust exhaust apparatus comprises suspended hood left small and right large, and the right-hand member of suspended hood is fixedly located on left plate, and suspended hood left end is connected with air exhauster, and suspended hood is provided with one-way ventilating valve;
Electric component top is provided with rotary drifting dust mechanism, rotary drifting dust mechanism comprises electric rotating machine, mini air compressor and nozzle, electric rotating machine is located on electric component, the main shaft of electric rotating machine is connected with mini air compressor by power transmission shaft, the outlet of mini air compressor is connected with the import of nozzle by high-voltage tube, and the puff prot of nozzle is obliquely towards electric component upper surface;
Housing outer surface is provided with the slide rail being positioned at the cooling air inlet left and right sides, article two, slide rail is parallel and all vertically arrange, slide rail slidably connects slide plate, slide plate lower edge is provided with handle, slide plate is provided with the screen pack that and slipper seal corresponding with cooling air inlet connects, mesh on screen pack diminishes from top to bottom gradually, housing is provided with the upper limit position block between two slide rail upper ends, housing is provided with the lower position block between two slide rail lower ends, by plastic buckle snap-fit engagement between slide plate bottom and surface of shell.
2. compressor cooling air-supply Homogeneouslly-radiating formula ring main unit according to claim 1, is characterized in that: inner sleeve inwall is in axial direction provided with at least twice reinforcement.
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| CN201510723691.2A CN105207086A (en) | 2015-11-01 | 2015-11-01 | Uniform heat dissipation ring main unit adopting compressor for refrigerating air supply |
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| CN201510723691.2A CN105207086A (en) | 2015-11-01 | 2015-11-01 | Uniform heat dissipation ring main unit adopting compressor for refrigerating air supply |
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| CN105790107A (en) * | 2016-03-15 | 2016-07-20 | 张君华 | Automatically controlled cooling and dustproof power distribution cabinet |
| CN106532516A (en) * | 2016-11-03 | 2017-03-22 | 上海和鸣超导变压器有限公司 | Superconducting box-type substation |
| CN106765740A (en) * | 2016-11-12 | 2017-05-31 | 上海天灵开关厂有限公司 | A kind of HVAC system for box-type substation |
| CN106848888A (en) * | 2016-12-15 | 2017-06-13 | 国网北京市电力公司 | Ring main unit |
| CN108808497A (en) * | 2018-08-31 | 2018-11-13 | 郭孟涵 | A kind of heat radiating type high-low voltage electric power distribution cabinet |
| CN110401125A (en) * | 2019-08-20 | 2019-11-01 | 国家电网有限公司 | With the damp case of drive outside the substation's GIS Current Transformer Secondary room for driving damp box |
| CN110416896A (en) * | 2019-08-20 | 2019-11-05 | 国家电网有限公司 | A kind of outside transformer substation bin automatic intelligent open air moisture-reducing device |
| CN111787727A (en) * | 2020-05-15 | 2020-10-16 | 广东理工学院 | Energy-saving and environment-friendly electronic power device |
| CN112696873A (en) * | 2020-12-03 | 2021-04-23 | 安徽方达药械股份有限公司 | Glass tube progressive cooling device for thermometer production |
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| CN111787727B (en) * | 2020-05-15 | 2021-06-22 | 广东理工学院 | Energy-saving and environment-friendly electronic power device |
| CN112696873A (en) * | 2020-12-03 | 2021-04-23 | 安徽方达药械股份有限公司 | Glass tube progressive cooling device for thermometer production |
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Application publication date: 20151230 |