CN112398026B - Ventilation device of underground substation - Google Patents
Ventilation device of underground substation Download PDFInfo
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- CN112398026B CN112398026B CN202011188384.6A CN202011188384A CN112398026B CN 112398026 B CN112398026 B CN 112398026B CN 202011188384 A CN202011188384 A CN 202011188384A CN 112398026 B CN112398026 B CN 112398026B
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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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- 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
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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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
- H02B7/08—Underground substations
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- Power Engineering (AREA)
- Drying Of Gases (AREA)
Abstract
The invention discloses a ventilation device of an underground substation, which comprises an air inlet pipeline, wherein an air inlet at one end of the air inlet pipeline is connected with a fan unit, an air inlet at the other end of the air inlet pipeline is connected with a filtering unit, a dehumidifying unit is fixedly arranged in the air inlet pipeline, an extruding and dehydrating unit which is used for rolling and extruding the dehumidifying unit is movably connected on the air inlet pipeline, the center of the filtering unit is rotationally connected with a cleaning driving unit which is engaged with a transmission connection extrusion linkage unit, one end of the extrusion linkage unit is fixedly connected with the extrusion dehydration unit, and the other end is movably connected with the air inlet pipeline, outer pipeline and interior pipeline are in the state through dismouting locking piece fixed connection, and outside air enters into to the electric substation after filter unit's the filtration dust removal and dehumidification unit's dehumidification, are favorable to guaranteeing dustless and dry between the substation equipment.
Description
Technical Field
The invention relates to the technical field of substation ventilation equipment, in particular to a ventilation device of an underground substation.
Background
The transformer substation is a key important place for transmitting high-voltage or ultrahigh-voltage electric energy of a power grid to system users after transformation and conversion, and is a bridge between a power system and the users. In order to ensure the normal operation of power transformation and power transmission and distribution equipment of a power substation, the industry requires that power transformation equipment rooms must be dampproof at ordinary times, waterproof in flood season, warm in winter and prevent small animals from entering the power transformation and distribution equipment rooms. The ventilation design of the capacitor chamber and the grounding transformer chamber of the existing transformer substation mostly adopts a natural air inlet mechanical air exhaust mode, the air inlet structure is single, no equipment for filtering and dehumidifying air is arranged, dust and dryness between transformer equipment cannot be guaranteed, and in actual use, the electronic components running in the transformer substation can be influenced, and equipment faults are easily caused.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the ventilation device for the underground substation, wherein outside air enters the substation after being filtered and dedusted by the filtering unit and dehumidified by the dehumidifying unit, so that dust and dryness of the substation equipment room can be ensured.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a ventilation unit of underground electric substation, includes the intake stack, fan unit, left end connection filter unit are connected to the right-hand member of intake stack, the fixed dehumidification unit that is provided with in inside of intake stack, swing joint has the extrusion dehydration unit that rolls to the dehumidification unit on the intake stack, filter unit's center is rotated and is connected clearance drive unit, clearance drive unit meshes the transmission and connects extrusion linkage unit, extrusion linkage unit one end fixed connection extrusion dehydration unit, other end swing joint intake stack.
The technical scheme of the invention is further improved as follows: the air inlet pipeline comprises an outer pipeline, an inner pipeline and a dismounting locking piece, the inner pipeline is detachably connected with the outer pipeline, one end of the dismounting locking piece is detachably arranged on the outer pipeline, the other end of the dismounting locking piece is detachably arranged on the inner pipeline, the left end of the outer pipeline is connected with a filtering unit, the inner part of the outer pipeline is fixedly connected with a dehumidifying unit, and the right end of the inner pipeline is connected with a fan unit.
The technical scheme of the invention is further improved as follows: the disassembly and assembly locking piece comprises two fixed vertical shafts, two L-shaped inserting plates, a first pressure spring, a top plate, a sliding transverse shaft, an unlocking pull plate and a first tension spring, one end of each of the two fixed vertical shafts is fixed on the outer pipeline, the other end of each of the two fixed vertical shafts is fixedly connected with the top plate, a transverse plate of each L-shaped inserting plate is movably connected to the two fixed vertical shafts, a vertical plate of each L-shaped inserting plate is inserted into a locking slot of the inner pipeline, and the first pressure spring is sleeved on the fixed vertical shaft between the top plate and the L-shaped inserting plate; slip cross axle is provided with two, two on the pipeline including slip cross axle sliding fit, two the one end of slip cross axle is pegged graft in the locking jack of the riser of L shape picture peg, two the other end fixed connection unblock arm-tie of slip cross axle, two between the riser of unblock arm-tie and L shape picture peg all the cover is equipped with first extension spring on the slip cross axle.
The technical scheme of the invention is further improved as follows: the filter unit comprises a disc type filter plate and a cleaning brush, a plurality of filter through holes are uniformly formed in the disc type filter plate, the disc type filter plate is rotatably arranged in the left end of the outer pipeline, one end of the cleaning brush is movably connected to the outer side surface of the disc type filter plate, the other end of the cleaning brush is fixedly connected to the outer pipeline, and the inner end of the cleaning brush is in sliding fit with the outer side surface of the disc type filter plate.
The technical scheme of the invention is further improved as follows: the dehumidification unit is including connecing upright frame, dehumidification cotton, water catch bowl, raceway and drain tank, connect the upright frame of connecing to fix in the inboard centre of outer pipeline, the centre of connecing the upright frame of connecing is provided with rectangle through-hole and rectangle through-hole internal fixedly connected with dehumidification cotton, connect the water catch bowl of the inside and outside both sides difference fixed connection of upright frame lower extreme, two the lower extreme of water catch bowl is fixed connection respectively and communicates a raceway, two the raceway passes the bottom surface of outer pipeline, two the lower extreme fixed connection and the intercommunication drain tank of raceway.
The technical scheme of the invention is further improved as follows: the fan unit comprises a servo motor with a speed reducer, a fan shaft and an air suction impeller, the servo motor is fixed on the outer side of the inner pipeline through a motor support, an output shaft of the servo motor is connected with the fan shaft through a coupler in a transmission mode, the air suction impeller is fixedly connected to the fan shaft, and the air suction impeller is arranged on the inner side of the right end of the inner pipeline in a rotating mode.
The technical scheme of the invention is further improved as follows: the cleaning driving unit comprises a driving motor, a driving shaft, a driving belt wheel, a driven shaft and a bearing bracket, wherein the driving motor is fixed on the outer pipeline through the motor bracket, an output shaft of the driving motor is connected with the driving shaft through a coupling in a transmission manner, the driving shaft is rotationally matched with one end of the bearing bracket, the bearing bracket is fixed on the outer pipeline, the driving belt wheel is fixed on the driving shaft, the driving belt wheel is connected with the driven belt wheel through a synchronous belt in a transmission manner, the driven belt wheel is fixed at the outer end of the driven shaft, the middle part of the driven shaft is rotationally matched on the bearing bracket, and the inner end of the driven shaft is fixed at the center of the disc type filter plate so as to drive the disc type filter plate to rotate.
The technical scheme of the invention is further improved as follows: the extrusion dehydration unit comprises a control frame, an extrusion part, longitudinal vertical rods, a reset pressure spring and an upper frame, the middle part of the control frame is in sliding fit with the four longitudinal vertical rods, the top ends of the four longitudinal vertical rods are fixedly connected with the upper frame, the bottom ends of the four longitudinal vertical rods are fixed on an outer pipeline, the four longitudinal vertical rods are all sleeved with the reset pressure spring, the reset pressure spring is positioned between the control frame and the outer pipeline, the extrusion part is provided with two parts which are respectively and fixedly arranged at the two ends of the control frame,
the middle parts of the two extrusion parts are in sealed sliding fit with the outer pipeline, and the inner ends of the two extrusion parts are matched with the dehumidifying cotton and used for extruding and dehydrating the dehumidifying cotton.
The technical scheme of the invention is further improved as follows: the extrusion part comprises a rectangular sliding frame, a rotating screw rod, a lifting slide block, a push-pull connecting rod, a horizontal slide rod, an extrusion roller and a roller frame, the upper end of the rectangular sliding frame is fixedly connected with a control frame, the middle part of the rectangular sliding frame is in sealed sliding fit with an outer pipeline, the lower end of the rectangular sliding frame is provided with a slide way arranged along the vertical direction, the lifting slide block is in sliding fit connection with the slide way, two ends of the rotating screw rod are in rotating fit with the rectangular sliding frame, the rotating screw rod is connected with the lifting slide block through thread transmission so as to drive the lifting slide block to slide up and down in the upper and lower slide ways, one end of the push-pull connecting rod is in rotating fit with the lifting slide block, the other end of the push-pull connecting rod is in rotating fit with the horizontal slide rod, the middle part of the horizontal slide rod is in sliding fit with the lower end of the rectangular sliding frame, one end of the horizontal slide rod is fixedly connected with the roller frame, and the inner side of the roller frame is in rotating connection with the extrusion roller frame, the squeeze roller is roll-fitted on the side of the dehumidifying cotton.
The technical scheme of the invention is further improved as follows: the extrusion linkage unit comprises a worm wheel, a linkage shaft, a friction transmission wheel, a transverse seat, an adjusting screw rod, a friction linkage disc, a rotating shaft, a supporting frame, an irregular gear, a rack and a linkage rod, and the driving shaft is of a worm structure; the driving shaft is meshed with and is in transmission connection with a worm wheel, the worm wheel is fixed at the lower end of a linkage shaft, the linkage shaft is in running fit with an outer pipeline, a friction driving wheel is in running fit with the linkage shaft, a transverse seat is fixed at the top end of the linkage shaft, the middle of an adjusting screw is in running fit with the transverse seat, the adjusting screw is in threaded fit with an inner threaded hole of the friction driving wheel, the friction driving wheel is in vertical friction transmission connection with a friction linkage disk, the friction linkage disk and an irregular gear are respectively fixed at two ends of a rotating shaft, the rotating shaft is in running fit with the outer pipeline through a supporting frame, the irregular gear is meshed with and is in transmission connection with a rack, the upper end of the rack is fixedly connected with the upper end of an extrusion part through a linkage rod, and the lower end of the rack is in running fit with a rectangular through hole of the outer pipeline.
Due to the adoption of the technical scheme, the invention has the technical progress that:
1. according to the ventilating device for the underground substation, the outer pipeline and the inner pipeline which are convenient to disassemble or fix through the disassembling and assembling locking piece are arranged in the ventilating device, when quick air inlet is needed, the outer pipeline is disassembled, so that air is directly and quickly introduced into the substation through the matching of the inner pipeline and the fan unit without being filtered and dehumidified; in a conventional state, the outer pipeline and the inner pipeline are in a fixed connection state, and outside air enters the substation after being filtered and dedusted by the filtering unit and dehumidified by the dehumidifying unit, so that dust and dryness of the substation equipment are favorably ensured;
2. the cleaning driving unit is arranged in the cleaning device and can drive the disc type filter plate to rotate, so that different positions of the disc type filter plate are in contact with the cleaning brush, the disc type filter plate is cleaned by the cleaning brush, and the blocking probability of the disc type filter plate is reduced;
3. the squeezing and dewatering unit is arranged in the dehumidifying device, and can squeeze the moisture accumulated in the dehumidifying process of the dehumidifying unit to flow out, so that the dehumidifying and water absorbing work in the subsequent process is improved conveniently;
4. the extrusion linkage unit is arranged, so that the extrusion dehydration work of the extrusion dehydration unit can be carried out intermittently without manual operation.
Drawings
FIG. 1 is a first general schematic diagram of the present invention;
FIG. 2 is a second overall view of the present invention;
FIG. 3 is a cross-sectional view of the overall construction of the present invention;
FIG. 4 is a schematic view of an air inlet duct according to the present invention;
FIG. 5 is a schematic view of the locking member of the present invention;
FIG. 6 is a schematic view of a filter unit of the present invention;
FIG. 7 is a schematic view of a dehumidification unit of the present invention;
FIG. 8 is a schematic view of a fan unit of the present invention;
FIG. 9 is a schematic view of a cleaning drive unit of the present invention;
FIG. 10 is a schematic view of a press dewatering unit of the present invention;
FIG. 11 is a schematic view of the extrusion of the present invention;
FIG. 12 is a schematic view of the squeeze linkage unit of the present invention;
wherein, 1, an air inlet pipeline; 101. an outer conduit; 102. an inner conduit; 103. disassembling and assembling the locking piece; 1031. fixing the vertical shaft; 1032. an L-shaped plug board; 1033. a first pressure spring; 1034. a top plate; 1035. sliding the cross shaft; 1036. unlocking the pulling plate; 1037. a first tension spring; 2. a filtration unit; 201. a disc type filter plate; 202. cleaning a brush; 3. a dehumidification unit; 301. connecting a vertical frame in a connecting way; 302. dehumidifying cotton; 303. a water collection tank; 304. a water delivery pipe; 305. a drain tank; 4. a fan unit; 401. a servo motor; 402. a fan shaft; 403. an air suction impeller; 5. a cleaning drive unit; 501. a drive motor; 502. a drive shaft; 503. a drive pulley; 504. a driven pulley; 505. a driven shaft; 506. a bearing bracket; 6. an extrusion dehydration unit; 601. a control frame; 602. a pressing section; 6021. a rectangular carriage; 6022. rotating the screw; 6023. a lifting slide block; 6024. a push-pull connecting rod; 6025. a horizontal sliding bar; 6026. a squeeze roll; 6027. a roller frame; 603. a longitudinal vertical bar; 604. resetting the pressure spring; 605. a top frame; 7. an extrusion linkage unit; 701. a worm gear; 702. a linkage shaft; 703. a friction drive wheel; 704. a transverse seat; 705. adjusting the screw rod; 706. a friction linkage disc; 707. a rotating shaft; 708. a support frame; 709. an irregular gear; 710. a rack; 711. a linkage rod.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1 to 3, a ventilation device of underground substation, includes air inlet pipeline 1, fan unit 4 is connected to air inlet pipeline 1's right-hand member, filter unit 2 is connected to the left end, air inlet pipeline 1's inside is fixed and is provided with dehumidification unit 3, swing joint has the extrusion dehydration unit 6 that carries out roll extrusion to dehumidification unit 3 on the air inlet pipeline 1, filter unit 2's center is rotated and is connected clearance drive unit 5, clearance drive unit 5 meshes the transmission and connects extrusion linkage unit 7, extrusion linkage unit 7 one end fixed connection extrusion dehydration unit 6, other end swing joint air inlet pipeline 1.
As shown in fig. 4: the air inlet pipeline 1 comprises an outer pipeline 101, an inner pipeline 102 and a dismounting and locking piece 103, the inner pipeline 102 is detachably connected with the outer pipeline 101, one end of the dismounting and locking piece 103 is detachably arranged on the outer pipeline 101, the other end of the dismounting and locking piece 103 is detachably arranged on the inner pipeline 102, the left end of the outer pipeline 101 is connected with a filtering unit 2, the inner part of the outer pipeline 101 is fixedly connected with a dehumidifying unit 3, the right end of the inner pipeline 102 is connected with a fan unit 4, when quick air inlet is needed, the outer pipeline 101 is dismounted, so that air is not filtered and dehumidified, and air is directly and quickly introduced into a substation through the matching of the inner pipeline 102 and the fan unit 4; under the conventional state, outer pipeline 101 and interior pipeline 102 are in the state of through dismouting locking piece 103 fixed connection, and outside air enters into the transformer substation after the filtration dust removal of filter unit 2 and the dehumidification of dehumidification unit 3, are favorable to guaranteeing dustless and dry between the transformer equipment.
As shown in fig. 5: the dismounting locking member 103 comprises two fixed vertical shafts 1031, two L-shaped inserting plates 1032, a first pressure spring 1033, a top plate 1034, a sliding horizontal shaft 1035, an unlocking pulling plate 1036 and a first tension spring 1037, wherein one ends of the two fixed vertical shafts 1031 are fixed on the outer pipeline 101, the other ends of the two fixed vertical shafts 1031 are fixedly connected with the top plate 1034, a transverse plate of the L-shaped inserting plate 1032 is movably connected to the two fixed vertical shafts 1031, a vertical plate of the L-shaped inserting plate is inserted into a locking slot of the inner pipeline 102, and the first pressure spring 1033 is sleeved on the fixed vertical shafts 1031 between the top plate 1034 and the L-shaped inserting plate 1032; two sliding transverse shafts 1035 are arranged, the two sliding transverse shafts 1035 are in sliding fit with the inner pipeline 102, one ends of the two sliding transverse shafts 1035 are inserted into locking insertion holes of vertical plates of the L-shaped insertion plate 1032, the other ends of the two sliding transverse shafts 1035 are fixedly connected with an unlocking pulling plate 1036, and first tension springs 1037 are sleeved on the two sliding transverse shafts 1035 between the unlocking pulling plate 1036 and the vertical plates of the L-shaped insertion plate 1032.
The structure of the disassembling and assembling locking piece 103 is arranged, so that the outer pipeline 101 and the inner pipeline 102 are convenient to assemble or disassemble quickly; in a conventional state, the riser of the L-shaped insertion plate 1032 is kept in a state of being tightly inserted into the locking slot of the inner pipe 102, and when disassembly is needed, the L-shaped insertion plate 1032 is pulled upwards to compress the first compression spring 1033, so that the riser of the L-shaped insertion plate 1032 is separated from the locking slot of the inner pipe 102; the arrangement of the sliding transverse shaft 1035, the unlocking pulling plate 1036 and the first tension spring 1037 is used for structurally reinforcing the dismounting locking member 103 and enhancing the stability of fixing the dismounting locking member to the outer pipeline 101 and the inner pipeline 102, and before the riser of the L-shaped insertion plate 1032 is separated from the locking slot of the inner pipeline 102, the unlocking pulling plate 1036 needs to be pulled outwards to drive the sliding transverse shaft 1035 to release the limiting fixing of the riser of the L-shaped insertion plate 1032.
As shown in fig. 6: the filter unit 2 comprises a disc type filter plate 201 and a cleaning brush 202, a plurality of filter through holes are uniformly formed in the disc type filter plate 201, the disc type filter plate 201 is rotatably arranged in the left end of the outer pipeline 101, one end of the cleaning brush 202 is movably connected to the outer side surface of the disc type filter plate 201, the other end of the cleaning brush 202 is fixedly connected to the outer pipeline 101, and the inner end of the cleaning brush 202 is in sliding fit with the outer side surface of the disc type filter plate 201. The disc type filter plate 201 in the filter unit 2 is used for filtering and dedusting air entering the outer pipeline 101, and after the air is filtered for a period of time, the disc type filter plate 201 is rotated to enable different positions of the disc type filter plate 201 to be in contact with the cleaning brush 202, so that the disc type filter plate 201 is cleaned through the cleaning brush 202, and the disc type filter plate 201 is prevented from being blocked to influence the filtering effect.
As shown in fig. 7: the dehumidification unit 3 comprises a vertical connection frame 301, dehumidification cotton 302, water collecting tanks 303, water conveying pipes 304 and a drainage tank 305, the vertical connection frame 301 is fixed in the middle of the inner side of the outer pipeline 101, rectangular through holes are formed in the middle of the vertical connection frame 301, the dehumidification cotton 302 is fixedly connected in the rectangular through holes, the water collecting tanks 303 are fixedly connected to the inner side and the outer side of the lower end of the vertical connection frame 301 respectively, the lower ends of the two water collecting tanks 303 are fixedly connected and communicated with the water conveying pipe 304 respectively, the two water conveying pipes 304 penetrate through the bottom surface of the outer pipeline 101, and the lower ends of the two water conveying pipes 304 are fixedly connected and communicated with the drainage tank 305. The inside dehumidification cotton 302 of dehumidification unit 3 is used for absorbing water and dehumidifies, prevents that the steam in the air from entering to cause equipment trouble in the electric substation, especially when carrying out the ventilation under the overcast and rainy weather, outer pipeline 101 can also equip electric heater to carry out drying process to the air, and the cooperation dehumidification cotton 302 dehumidifies jointly, is favorable to improving dehumidification effect.
As shown in fig. 8: the fan unit 4 comprises a servo motor 401 with a speed reducer, a fan shaft 402 and an air suction impeller 403, the servo motor 401 is fixed on the outer side of the inner pipeline 102 through a motor support, an output shaft of the servo motor 401 is connected with the fan shaft 402 through a coupling in a transmission manner, the air suction impeller 403 is fixedly connected to the fan shaft 402, and the air suction impeller 403 is rotatably arranged on the inner side of the right end of the inner pipeline 102. After the servo motor 401 is started, the fan shaft 402 can drive the air suction impeller 403 to rotate, so that the air suction impeller 403 is matched with the circular air inlet channel of the inner pipeline 102 to draw in the outside air into the substation.
As shown in fig. 9: the cleaning driving unit 5 comprises a driving motor 501, a driving shaft 502, a driving pulley 503, a driven pulley 504, a driven shaft 505 and a bearing bracket 506, wherein the driving motor 501 is fixed on the outer pipeline 101 through the motor bracket, an output shaft of the driving motor 501 is connected with the driving shaft 502 through a coupling in a transmission manner, the driving shaft 502 is rotatably matched with one end of the bearing bracket 506, the bearing bracket 506 is fixed on the outer pipeline 101, the driving pulley 503 is fixed on the driving shaft 502, the driving pulley 503 is connected with the driven pulley 504 through a synchronous belt in a transmission manner, the driven pulley 504 is fixed at the outer end of the driven shaft 505, the middle part of the driven shaft 505 is rotatably matched with the bearing bracket 506, and the inner end of the driven shaft 505 is fixed at the center of the disc filter plate 201 to drive the disc filter plate 201 to rotate. The cleaning driving unit 5 is arranged in the cleaning device, the cleaning driving unit 5 can drive the disc type filter plate 201 to rotate, so that different positions of the disc type filter plate 201 are in contact with the cleaning brush, the disc type filter plate 201 is cleaned by the cleaning brush 202, and the blocking probability of the disc type filter plate is reduced; after a driving motor 501 in the cleaning driving unit 5 is started, the driving shaft 502 can be driven to rotate, when the driving shaft 502 rotates, the driving pulley 503 is driven to rotate, when the driving pulley 503 rotates, the driven pulley 504 rotates through synchronous belt transmission, the driven pulley 504 rotates to drive the driven shaft 505 to rotate, and finally the disc type filter plate 201 is driven to rotate through the driven shaft 505, so that different positions of the disc type filter plate 201 are in contact with the cleaning brush.
As shown in fig. 10: extrusion dehydration unit 6 includes control frame 601, extrusion portion 602, vertical montant 603, pressure spring 604 and roof-rack 605 reset, the middle part sliding fit of control frame 601 is on four vertical montants 603, four the top fixed connection roof-rack 605 of vertical montant 603, the bottom mounting of four vertical montants 603 on outer pipeline 101, four it is equipped with pressure spring 604 that resets all to overlap on vertical montant 603, the pressure spring 604 that resets is located between control frame 601 and the outer pipeline 101, extrusion portion 602 is provided with two and fixes respectively and set up in the both ends of control frame 601, two the sealed sliding fit in middle part of extrusion portion 602 is on outer pipeline 101, two the cooperation of the inner of extrusion portion 602 is on except that wet cotton 302 and to except that wet cotton 302 carries out the extrusion dehydration. The squeezing and dewatering unit 6 is arranged in the dehumidifying device, and the squeezing and dewatering unit 6 can squeeze water accumulated in the dehumidifying process of the dehumidifying unit 3 to enable the water to flow out, so that the dehumidifying and water absorbing work in the subsequent process is improved conveniently; when the squeezing and dewatering unit 6 is used, the control frame 601 is pressed downwards, the control frame 601 drives the two squeezing parts 602 which are arranged oppositely to squeeze and dewater different positions on two sides of the dehumidifying cotton 302, and water squeezed out of the dehumidifying cotton 302 falls into the water collecting tank 303 and is discharged through the water conveying pipe 304 and the water discharging tank 305; the setting of pressure spring 604 resets for the worker loosens the back of moving to the pressure of control frame 601, and extrusion dewatering unit 6's whole can reset under the spring action of pressure spring 604 resets, is convenient for carry out extrusion dewatering work from top to bottom once more, carries out extrusion dewatering from top to bottom for from bottom to top, can make the moisture that extrudes flow into water catch bowl 303 along connecing upright or erect frame 301 and dehumidification cotton 302, prevents that it from sputtering the different positions of outer pipeline 101 inner wall.
As shown in fig. 11: the extrusion part 602 comprises a rectangular sliding frame 6021, a rotating screw 6022, a lifting slide 6023, a push-pull connecting rod 6024, a horizontal slide bar 6025, an extrusion roller 6026 and a roller frame 6027, wherein the upper end of the rectangular sliding frame 6021 is fixedly connected with the control frame 601, the middle part of the rectangular sliding frame 6021 is hermetically and slidably matched with the outer pipe 101, the lower end of the rectangular sliding frame 6021 is provided with a slide way arranged along the up-down direction, the lifting slide 6023 is slidably matched and connected in the slide way, two ends of the rotating screw 6022 are rotatably matched on the rectangular sliding frame 6021, the rotating screw 6022 is connected with the lifting slide 6023 through screw transmission to drive the lifting slide 6023 to slide up and down in the slide way, one end of the push-pull connecting rod 6024 is rotatably matched on the lifting slide 6023, the other end of the push-pull connecting rod 6024 is rotatably matched on the horizontal slide 6025, the middle part of the horizontal slide 6025 is slidably matched on the lower end of the rectangular sliding frame 6021, one end of the horizontal sliding rod 6025 is fixedly connected with a roller frame 6027, the inner side of the roller frame 6027 is rotatably connected with a pressing roller 6026, and the pressing roller 6026 is in roll fit with the side surface of the dehumidifying cotton 302. When the extrusion part 602 is used, the rectangular sliding frame 6021 slides downwards under the driving of the control frame 601, and the rectangular sliding frame 6021 drives the extrusion roller 6026 at the lower end thereof to roll and extrude the dehumidifying cotton 302, so that the extrusion and dehydration stability can be improved, the damage to the dehumidifying cotton 302 in the extrusion process can be reduced, and the service life of the dehumidifying cotton 302 can be prolonged; and the distance between the two extrusion rollers 6026 of the two extrusion parts 602 can be adjusted, so that the extrusion degree can be adjusted conveniently, the device is suitable for different types of dehumidification cotton 302, during adjustment, the rotating screw 6022 is rotated to drive the lifting slide 6023 to move up and down, the lifting slide 6023 drives the horizontal slide 6025 to slide inside and outside the lower end of the rectangular sliding rack 6021 through the push-pull connecting rod 6024, and the extrusion degree of the extrusion rollers 6026 on the roller rack 6027 is adjusted.
As shown in fig. 12: the extrusion linkage unit 7 comprises a worm gear 701, a linkage shaft 702, a friction transmission wheel 703, a transverse seat 704, an adjusting screw 705, a friction linkage disc 706, a rotating shaft 707, a support frame 708, an irregular gear 709, a rack 710 and a linkage rod 711, and the driving shaft 502 is of a worm structure; the driving shaft 502 is engaged with a worm gear 701 in a transmission connection mode, the worm gear 701 is fixed at the lower end of the linkage shaft 702, the linkage shaft 702 is rotationally matched on the outer pipeline 101, the friction driving wheel 703 is in sliding fit on the linkage shaft 702, the transverse seat 704 is fixed at the top end of the linkage shaft 702, the middle part of the adjusting screw 705 is rotatably matched on the transverse seat 704, the adjusting screw 705 is in threaded fit in the internal threaded hole of the friction driving wheel 703, the friction driving wheel 703 is vertically connected with a friction linkage disc 706 in a friction driving way, the friction linkage disc 706 and the irregular gear 709 are respectively fixed at two ends of a rotating shaft 707, the rotating shaft 707 is rotatably fitted on the outer pipe 101 through a support frame 708, the irregular gear 709 is engaged with a transmission connecting rack 710, the upper end of the rack 710 is fixedly connected with the upper end of one extrusion part 602 through a linkage rod 711, and the lower end of the rack 710 is in sliding fit in the rectangular through hole of the outer pipeline 101. The extrusion linkage unit 7 is arranged, so that the extrusion dehydration work of the extrusion dehydration unit 6 can be carried out intermittently without manual operation; the worm wheel 701 can rotate under the meshing transmission of the driving shaft 502, when the worm wheel 701 rotates, the linkage shaft 702, the transverse seat 704 and the adjusting screw 705 are matched to drive the friction transmission wheel 703 to rotate, when the friction transmission wheel 703 rotates, the friction transmission friction linkage disc 706 rotates, when the friction linkage disc 706 rotates, the rotating shaft 707 drives the irregular gear 709 to rotate, when the irregular gear 709 rotates to be in contact with the rack 710, the rack 710 drives the rack 710 to move downwards, when the rack 710 moves downwards, the linkage rod 711 drives one of the squeezing parts 602 to move downwards, and one of the squeezing parts 602 drives the other squeezing part 602 to move downwards through the control frame 601, so that the squeezing and dewatering work is realized; when the irregular gear 709 rotates to be separated from the rack 710, the rack 710 and the two extrusion parts 602 are reset under the elastic force of the reset compression springs 604 compressed on the plurality of longitudinal vertical rods 603, so that the extrusion and dehydration work is performed again.
According to the ventilating device for the underground substation, the outer pipeline 101 and the inner pipeline 102 which are convenient to disassemble or fix through the disassembling and assembling locking piece 103 are arranged in the ventilating device, when quick air inlet is needed, the outer pipeline 101 is disassembled, so that air is directly and quickly introduced into the substation through the matching of the inner pipeline 102 and the fan unit 4 without being filtered and dehumidified; under the conventional state, outer pipeline 101 and interior pipeline 102 are in the state of through dismouting locking piece 103 fixed connection, and outside air enters into the transformer substation after the filtration dust removal of filter unit 2 and the dehumidification of dehumidification unit 3, are favorable to guaranteeing dustless and dry between the transformer equipment.
Claims (4)
1. A ventilation unit of underground substation which characterized in that: the air inlet pipeline is characterized by comprising an air inlet pipeline (1), wherein the right end of the air inlet pipeline (1) is connected with a fan unit (4), the left end of the air inlet pipeline is connected with a filtering unit (2), a dehumidifying unit (3) is fixedly arranged inside the air inlet pipeline (1), an extrusion dehydrating unit (6) for performing rolling extrusion on the dehumidifying unit (3) is movably connected to the air inlet pipeline (1), the center of the filtering unit (2) is rotatably connected with a cleaning driving unit (5), the cleaning driving unit (5) is in meshing transmission connection with an extrusion linkage unit (7), one end of the extrusion linkage unit (7) is fixedly connected with the extrusion dehydrating unit (6), and the other end of the extrusion linkage unit (7) is movably connected with the air inlet pipeline (1);
the air inlet pipeline (1) comprises an outer pipeline (101), an inner pipeline (102) and a dismounting and locking piece (103), the inner pipeline (102) is detachably connected with the outer pipeline (101), one end of the dismounting and locking piece (103) is detachably arranged on the outer pipeline (101), the other end of the dismounting and locking piece (103) is detachably arranged on the inner pipeline (102), the left end of the outer pipeline (101) is connected with the filtering unit (2), the dehumidifying unit (3) is fixedly connected inside the outer pipeline (101), and the right end of the inner pipeline (102) is connected with a fan unit (4);
the filter unit (2) comprises a disc type filter plate (201) and a cleaning brush (202), a plurality of filter through holes are uniformly formed in the disc type filter plate (201), the disc type filter plate (201) is rotatably arranged in the left end of the outer pipeline (101), one end of the cleaning brush (202) is movably connected to the outer side surface of the disc type filter plate (201), the other end of the cleaning brush (202) is fixedly connected to the outer pipeline (101), and the inner end of the cleaning brush (202) is in sliding fit with the outer side surface of the disc type filter plate (201);
the dehumidification unit (3) comprises a connecting and erecting frame (301), dehumidification cotton (302), water collecting tanks (303), water conveying pipes (304) and a drainage box (305), wherein the connecting and erecting frame (301) is fixed in the middle of the inner side of the outer pipeline (101), a rectangular through hole is formed in the middle of the connecting and erecting frame (301), the dehumidification cotton (302) is fixedly connected in the rectangular through hole, the water collecting tanks (303) are fixedly connected to the inner side and the outer side of the lower end of the connecting and erecting frame (301), the lower ends of the two water collecting tanks (303) are fixedly connected and communicated with one water conveying pipe (304), the two water conveying pipes (304) penetrate through the bottom surface of the outer pipeline (101), and the lower ends of the two water conveying pipes (304) are fixedly connected and communicated with the drainage box (305);
the cleaning driving unit (5) comprises a driving motor (501), a driving shaft (502), a driving belt wheel (503), a driven belt wheel (504), a driven shaft (505) and a bearing frame (506), wherein the driving motor (501) is fixed on the outer pipeline (101) through the motor frame, an output shaft of the driving motor (501) is connected with the driving shaft (502) through coupling transmission, the driving shaft (502) is rotatably matched at one end of the bearing frame (506), the bearing frame (506) is fixed on the outer pipeline (101), the driving shaft (502) is fixedly provided with the driving belt wheel (503), the driving belt wheel (503) is connected with the driven belt wheel (504) through synchronous belt transmission, the driven belt wheel (504) is fixed at the outer end of the driven shaft (505), the middle part of the driven shaft (505) is rotatably matched on the bearing frame (506), and the inner end of the driven shaft (505) is fixed at the center of the disc type filter plate (201), so as to drive the disc type filter plate (201) to rotate;
the extrusion dehydration unit (6) comprises a control frame (601), an extrusion part (602), a longitudinal vertical rod (603), a reset pressure spring (604) and an upper frame (605), the middle part of the control frame (601) is in sliding fit with four longitudinal vertical rods (603), the top ends of the four longitudinal vertical rods (603) are fixedly connected with a top frame (605), the bottom ends of the four longitudinal vertical rods (603) are fixed on an outer pipeline (101), reset pressure springs (604) are sleeved on the four longitudinal vertical rods (603), the reset pressure spring (604) is positioned between the control frame (601) and the outer pipeline (101), the two squeezing parts (602) are respectively and fixedly arranged at two ends of the control frame (601), the middle parts of the two squeezing parts (602) are hermetically and slidably matched on the outer pipeline (101), and the inner ends of the two squeezing parts (602) are matched on the dehumidifying cotton (302) and squeeze and dewater the dehumidifying cotton (302);
the extrusion linkage unit (7) comprises a worm wheel (701), a linkage shaft (702), a friction transmission wheel (703), a transverse seat (704), an adjusting screw rod (705), a friction linkage disc (706), a rotating shaft (707), a support frame (708), an irregular gear (709), a rack (710) and a linkage rod (711), and the driving shaft (502) is of a worm structure; the driving shaft (502) is in meshed transmission connection with a worm wheel (701), the worm wheel (701) is fixed at the lower end of a linkage shaft (702), the linkage shaft (702) is in running fit with the outer pipeline (101), the friction driving wheel (703) is in sliding fit with the linkage shaft (702), the transverse seat (704) is fixed at the top end of the linkage shaft (702), the middle part of the adjusting screw rod (705) is in running fit with the transverse seat (704), the adjusting screw rod (705) is in threaded fit with an internal threaded hole of the friction driving wheel (703), the friction driving wheel (703) is in vertical friction transmission connection with a friction linkage disc (706), the friction linkage disc (706) and the irregular gear (709) are respectively fixed at two ends of a rotating shaft (707), the rotating shaft (707) is in running fit with the outer pipeline (101) through a supporting frame (708), the irregular gear (709) is in meshed transmission connection with a rack (710), the upper end of the rack (710) is fixedly connected with the upper end of one extrusion part (602) through a linkage rod (711), and the lower end of the rack (710) is in sliding fit with the rectangular through hole of the outer pipeline (101).
2. A ventilation device for an underground substation according to claim 1, characterized in that: the disassembly and assembly locking piece (103) comprises fixed vertical shafts (1031), L-shaped inserting plates (1032), two first pressure springs (1033), a top plate (1034), a sliding transverse shaft (1035), an unlocking pulling plate (1036) and first tension springs (1037), one ends of the two fixed vertical shafts (1031) are fixed on the outer pipeline (101), the other ends of the two fixed vertical shafts are fixedly connected with the top plate (1034), the transverse plates of the L-shaped inserting plates (1032) are movably connected to the two fixed vertical shafts (1031), the vertical plates are inserted into locking slots of the inner pipeline (102), and the first pressure springs (1033) are sleeved on the fixed vertical shafts (1031) between the top plate (1034) and the L-shaped inserting plates (1032); slip cross axle (1035) is provided with two, two slip cross axle (1035) sliding fit is on inner pipe (102), two the one end of slip cross axle (1035) is pegged graft in the locking jack of the riser of L shape picture peg (1032), two the other end fixed connection of slip cross axle (1035) unlocks arm-tie (1036), two between the riser of unblock arm-tie (1036) and L shape picture peg (1032) all overlap on slip cross axle (1035) and are equipped with first extension spring (1037).
3. A ventilation device for an underground substation according to claim 1, characterized in that: the fan unit (4) comprises a servo motor (401) with a speed reducer, a fan shaft (402) and an air suction impeller (403), the servo motor (401) is fixed on the outer side of the inner pipeline (102) through a motor support, an output shaft of the servo motor (401) is connected with the fan shaft (402) through a coupling in a transmission mode, the fan shaft (402) is fixedly connected with the air suction impeller (403), and the air suction impeller (403) is arranged on the inner side of the right end of the inner pipeline (102) in a rotating mode.
4. A ventilation device for an underground substation according to claim 1, characterized in that: the extrusion part (602) comprises a rectangular sliding frame (6021), a rotating screw rod (6022), a lifting slide block (6023), a push-pull connecting rod (6024), a horizontal slide rod (6025), an extrusion roller (6026) and a roller frame (6027), the upper end of the rectangular sliding frame (6021) is fixedly connected with the control frame (601), the middle part of the rectangular sliding frame (6021) is hermetically and slidably matched on the outer pipe (101), the lower end of the rectangular sliding frame (6021) is provided with a slide way arranged along the up-down direction, the slide way is connected with the lifting slide block (6023) in a sliding fit manner, two ends of the rotating screw rod (6022) are rotatably matched on the rectangular sliding frame (6021), the rotating screw rod (6022) is connected with the lifting slide block (6023) through screw thread transmission so as to drive the lifting slide block (6023) to slide up and down in the slide way, one end of the push-pull connecting rod (6024) is rotatably matched on the lifting slide block (6023), the other end of the push-pull connecting rod (6024) is rotatably matched on the horizontal slide rod (6025), the middle part of the horizontal sliding rod (6025) is in sliding fit with the lower end of the rectangular sliding frame (6021), one end of the horizontal sliding rod (6025) is fixedly connected with a roller frame (6027), the inner side of the roller frame (6027) is rotatably connected with a pressing roller (6026), and the pressing roller (6026) is in rolling fit with the side surface of the dehumidifying cotton (302).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011188384.6A CN112398026B (en) | 2020-10-30 | 2020-10-30 | Ventilation device of underground substation |
| PCT/CN2021/075721 WO2022088552A1 (en) | 2020-10-30 | 2021-02-07 | Ventilation apparatus of underground substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011188384.6A CN112398026B (en) | 2020-10-30 | 2020-10-30 | Ventilation device of underground substation |
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| CN112398026A CN112398026A (en) | 2021-02-23 |
| CN112398026B true CN112398026B (en) | 2021-09-17 |
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| CN202011188384.6A Active CN112398026B (en) | 2020-10-30 | 2020-10-30 | Ventilation device of underground substation |
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| CN113202262B (en) * | 2021-05-25 | 2022-09-09 | 浙江宁溢电力工程设计咨询有限公司 | Ventilation unit of underground substation |
| CN113398724B (en) * | 2021-07-05 | 2022-01-25 | 龙凤山区域大气本底站 | Northern turbidity monitoring gas circuit dehydrating unit |
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| CN112398026A (en) | 2021-02-23 |
| WO2022088552A1 (en) | 2022-05-05 |
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