Outdoor vacuum high-voltage circuit breaker with harmonic suppression
Technical Field
The utility model relates to a vacuum circuit breaker technical field specifically is an outdoor vacuum high voltage circuit breaker with harmonic is administered.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum, is widely applied to a power distribution network, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment, has extremely excellent harmonic wave treatment performance, and is widely applied to various outdoor high-voltage lines.
But there is some shortcoming about outdoor vacuum high voltage circuit breaker in the existing market, traditional vacuum circuit breaker is in the use with high-tension apparatus equipment, adopts the form that the bolt was twisted admittedly more, because the circuit breaker is in the open air, the bolt is under the long-time corruption of external environment, very easily rusts, lead to the unable condition of dismantling to appear, and in the use, because the circuit breaker is in the open air, it very easily receives the influence of ambient temperature, moisture, lead to the inside driving medium of circuit breaker to appear rustting, be difficult to the circuit breaker that opens and shuts. Accordingly, those skilled in the art have provided an outdoor vacuum high voltage circuit breaker with harmonic suppression to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an outdoor vacuum high voltage circuit breaker with harmonic is administered to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an outdoor vacuum high-voltage circuit breaker with harmonic suppression comprises a driving shell, wherein insulating pillars are symmetrically arranged above the driving shell, clamping mechanisms are symmetrically fixed on the front side and the rear side of the driving shell, one side of the driving shell is connected with an air inlet pipe at the rear end position, one side of the driving shell is connected with an exhaust pipe at the front end position, an air inlet of the air inlet pipe is sequentially provided with an initial-effect dustproof filter screen, a high-efficiency dustproof filter screen, a first drying plate and a second drying plate from outside to inside, a heating pipe is arranged at an air outlet of the air inlet pipe, an exhaust fan is arranged at an air outlet of the exhaust pipe, and a temperature and humidity sensor is arranged at the air inlet of the exhaust pipe;
the clamping mechanism comprises adjusting shells symmetrically fixed on the front side and the rear side of the driving shell, the inner side of the adjusting shell is located at the middle position and is embedded and connected with a transmission lead screw, the inner side of the adjusting shell is located at the two ends and is symmetrically fixed with a positioning clamping seat, an adjusting hand wheel is fixed at the top end of the transmission lead screw, a transmission part is sleeved on the outer side of the transmission lead screw, a limiting sliding groove is symmetrically formed in one side of the positioning clamping seat, a lifting support arm is symmetrically fixed below the transmission part, and a fastening clamping plate is fixed at the bottom end of the lifting support arm.
As a further aspect of the present invention: the two ends of the transmission piece are symmetrically provided with positioning clamping blocks matched with the limiting sliding grooves, and the transmission piece and the positioning clamping seats slide in a clamping mode through the positioning clamping blocks and the limiting sliding grooves.
As a further aspect of the present invention: the lifting length of the lifting support arm is the same as the length of the screw teeth of the transmission screw rod, and the lifting length of the lifting support arm is not less than 4 cm.
As a further aspect of the present invention: the clamping surface of the fastening splint is provided with anti-skid sawteeth.
As a further aspect of the present invention: just imitate dustproof filter screen and high-efficient dustproof filter screen and all adopt stainless steel material component, the mesh size of high-efficient dustproof filter screen is just imitating the third of dustproof filter screen mesh size.
As a further aspect of the present invention: first drying plate all adopts quick lime material component with the second drying plate, and the inboard of first drying plate and second drying plate all runs through and has seted up the toper bleeder vent, the heating pipe is annular structure.
As a further aspect of the present invention: the exhaust end of the exhaust pipe is sleeved with a protective net cover.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a lifting clamping of clamping mechanism, traditional bolt screwing's form has been replaced, staff's equipment manipulation strength has not only been reduced, can avoid appearing the bolt simultaneously and receive external corrosion to lead to the unable condition of dismantling the maintenance, and then improve outdoor vacuum circuit breaker's nimble assembling property, and in the use, carry dry hot-blast to the drive shell internal circulation through the air-supply line, moisture in the exhaust pipe is to the drive shell, the circulation of low temperature air is taken out and is taken off, can make the inside air of drive shell maintain stable drying, the suitability, avoid the too big corruption of moisture drive shell inside driving medium, and the temperature crosses low and leads to the inconvenient condition of driving medium machinery shrinkage appearance regulation.
Drawings
FIG. 1 is a schematic structural diagram of an outdoor vacuum high-voltage circuit breaker with harmonic suppression;
FIG. 2 is a schematic structural diagram of a clamping mechanism in an outdoor vacuum high-voltage circuit breaker with harmonic suppression;
FIG. 3 is a schematic structural diagram of the inside of an air intake duct in an outdoor vacuum high-voltage circuit breaker with harmonic suppression;
fig. 4 is a schematic structural diagram of the inside of an exhaust duct in an outdoor vacuum high-voltage circuit breaker with harmonic suppression.
In the figure: 1. a drive housing; 2. an insulating support; 3. adjusting a hand wheel; 4. adjusting the shell; 5. fastening the clamping plate; 6. an air inlet pipe; 7. an exhaust duct; 8. a transmission screw rod; 9. positioning the card holder; 10. a limiting chute; 11. a transmission member; 12. lifting the support arm; 13. a primary dust-proof filter screen; 14. a high-efficiency dustproof filter screen; 15. a first drying plate; 16. a second drying plate; 17. heating a tube; 18. a protective mesh enclosure; 19. an exhaust fan; 20. temperature and humidity sensor.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, an outdoor vacuum high-voltage circuit breaker with harmonic suppression includes a driving housing 1, wherein insulating pillars 2 are symmetrically disposed above the driving housing 1, clamping mechanisms are symmetrically fixed on both sides of the driving housing 1, the clamping mechanisms include adjusting housings 4 symmetrically fixed on both sides of the driving housing 1, a driving screw 8 is embedded and connected to the inner side of the adjusting housing 4 at the middle position, positioning clamping seats 9 are symmetrically fixed on both ends of the inner side of the adjusting housing 4, an adjusting hand wheel 3 is fixed on the top end of the driving screw 8, a driving member 11 is sleeved on the outer side of the driving screw 8, limiting chutes 10 are symmetrically disposed on one side of the positioning clamping seats 9, lifting support arms 12 are symmetrically fixed below the driving member 11, positioning clamping blocks adapted to the limiting chutes 10 are symmetrically disposed on both ends of the driving member 11, and the transmission part 11 and the positioning clamping seat 9 slide through the clamping of the positioning clamping block and the limiting sliding groove 10, the lifting length of the lifting support arm 12 is the same as the thread length of the transmission screw rod 8, and the lifting length of the lifting support arm 12 is not less than 4cm, in the process of assembling and using the outdoor vacuum high-voltage circuit breaker, a worker lifts the circuit breaker to a related high-voltage device, so that the fastening clamping plate 5 performs preliminary clamping treatment on two ends of the supporting platform, the worker rotates the adjusting hand wheel 3 to drive the transmission screw rod 8 to rotate, the transmission part 11 is synchronously driven to ascend and slide in the positioning clamping seat 9, the transmission part 11 drives the lifting support arm 12 to synchronously slide upwards in the ascending process, the fastening clamping plate 5 clamps the bottom of the supporting platform, and the circuit breaker is assembled and fixed on the related high-voltage device.
The bottom mounting of lift support arm 12 has fastening splint 5, and the clamping face of fastening splint 5 is provided with anti-skidding sawtooth, through the lift clamping of fastening splint 5 in the clamping mechanism, has replaced the solid form of traditional bolt tightening, has not only reduced staff's equipment operating strength, can avoid appearing the bolt simultaneously and receive external corruption to lead to the unable condition of dismantling the maintenance, and then improve outdoor vacuum circuit breaker's nimble equipment performance.
An air inlet pipe 6 is connected at the position of one side of the driving shell 1, which is positioned at the rear end, an exhaust pipe 7 is connected at the position of one side of the driving shell 1, which is positioned at the front end, an air inlet of the air inlet pipe 6 is sequentially provided with a primary dustproof filter screen 13, a high-efficiency dustproof filter screen 14, a first drying plate 15 and a second drying plate 16 from outside to inside, an exhaust port of the air inlet pipe 6 is provided with a heating pipe 17, the primary dustproof filter screen 13 and the high-efficiency dustproof filter screen 14 are both made of stainless steel components, the mesh size of the high-efficiency dustproof filter screen 14 is one third of that of the primary dustproof filter screen 13, the first drying plate 15 and the second drying plate 16 are both made of quicklime components, conical air holes are respectively formed in the inner sides of the first drying plate 15 and the second drying plate 16 in a penetrating manner, the heating pipe 17 is of an annular structure, and in the process of extracting moisture and low-temperature air in the driving shell 1, the outside air is circularly conveyed into the air inlet pipe 6, through the dual dust filtration of just imitating dustproof filter screen 13 and high-efficient dustproof filter screen 14, the dual drying of first drying board 15 and second drying board 16 filters, under the heating of loop configuration heating pipe 17, with clean, dry steam is carried to drive casing 1 inside, make 1 inside air of drive casing maintain stable drying, the suitability, avoid the too big corruption of moisture drive casing 1 inside driving medium, and the temperature crosses lowly and leads to the inconvenient condition of driving medium machinery shrinkage to appear adjusting.
The gas vent of exhaust pipe 7 is provided with air discharge fan 19, and the air inlet of exhaust pipe 7 is provided with temperature and humidity sensor 20, and protection screen 18 has been cup jointed to the exhaust end of exhaust pipe 7, and in outdoor vacuum high voltage circuit breaker use, when inside moisture of drive casing 1, temperature are lower, air discharge fan 19 work is extracted moisture, low temperature air in the drive casing 1, takes moisture, low temperature air out the external world.
The utility model discloses a theory of operation is: during the assembly and use process of the outdoor vacuum high-voltage circuit breaker, a worker hangs the circuit breaker to relevant high-voltage equipment, the fastening clamp plates 5 are used for carrying out preliminary clamp processing on two ends of the supporting platform, the worker rotates the adjusting hand wheel 3 to drive the transmission screw rod 8 to rotate, the transmission piece 11 is synchronously driven to ascend and slide in the positioning clamp seat 9, the transmission piece 11 drives the lifting support arm 12 to synchronously ascend and slide in the ascending process, the fastening clamp plates 5 are used for clamping the bottom of the supporting platform, the circuit breaker is assembled and fixed on the relevant high-voltage equipment, further, during the use process of the outdoor vacuum high-voltage circuit breaker, when moisture and temperature in the driving shell 1 are low, the exhaust fan 19 works to extract moisture and low-temperature air in the driving shell 1, the moisture and the low-temperature air are extracted out of the outside, and further during the extraction process of the moisture and the low-temperature air in the driving shell 1, outside air circulation is carried to the air-supply line 6 in, through the dual dust filtration of just imitating dustproof filter screen 13 and high-efficient dustproof filter screen 14, the dual dry filtration of first drying board 15 and second drying board 16, under the heating of loop configuration heating pipe 17, with clean, dry steam is carried to drive casing 1 inside, make 1 inside air of drive casing maintain stable drying, the suitability, avoid the too big corruption of moisture drive casing 1 inside driving medium, and the temperature crosses lowly and leads to the inconvenient condition of driving medium machinery shrinkage to appear adjusting.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.