CN112072498B - High-voltage switch cabinet - Google Patents
High-voltage switch cabinet Download PDFInfo
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- CN112072498B CN112072498B CN202010979727.4A CN202010979727A CN112072498B CN 112072498 B CN112072498 B CN 112072498B CN 202010979727 A CN202010979727 A CN 202010979727A CN 112072498 B CN112072498 B CN 112072498B
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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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
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a high-voltage switch cabinet which comprises a switch cabinet body, wherein the bottom of the inner wall of the switch cabinet body is fixedly connected with a transformer winding, the front side and the rear side of the inner wall of the switch cabinet body are fixedly connected with a box body, an opening on the box body faces the transformer winding, the inner wall of the box body is in limited rotary connection with a rotating shaft driven to rotate by a power mechanism, a radial through hole is formed in the surface of the rotating shaft and is in limited sliding connection with a transmission rod through the through hole, the end part of the transmission rod is fixedly connected with a ring, and the surface of the transmission rod is fixedly. According to the invention, through the matching use of the mechanisms, the problem that in the actual use process, the traditional high-frequency transformer switch cabinet is short in service life due to insufficient heat dissipation effect is solved; the transformer occasionally gets damp in sunny days, and the damp condition is more easily aggravated in the switch cabinet, which causes a potential hazard problem to the components in the transformer.
Description
Technical Field
The invention relates to the technical field of transformer equipment, in particular to a high-voltage switch cabinet.
Background
The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. According to the application, the method can be divided into: power transformers and special transformers. With the development of science and technology, the aspect of transformers is continuously developed and advanced, wherein high-frequency transformers are widely used, but the general high-frequency transformer switch cabinet has poor heat dissipation effect and short service life; the transformer occasionally gets damp in sunny days, and the damp condition is more easily aggravated in a switch cabinet, which can cause potential harm to elements in the transformer.
Disclosure of Invention
The invention aims to provide a high-voltage switch cabinet which has the advantages of dehumidification, cooling and cooling according to the temperature adaptability of a working environment, and solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high tension switchgear, includes the cubical switchboard body, the bottom fixedly connected with transformer winding of the internal wall of cubical switchboard, the equal fixedly connected with box body in side around the internal wall of cubical switchboard.
The transformer comprises a box body, a power mechanism, a rotating shaft, a transmission rod, a first check block and a second check block, wherein an opening on the box body faces a transformer winding, the inner wall of the box body is in limited rotation connection with the rotating shaft driven to rotate by the power mechanism, a radial through hole is formed in the surface of the rotating shaft, the transmission rod is in limited sliding connection with the through hole, a circular ring is fixedly connected to the end part of the transmission rod, the first check block and the second check block are fixedly connected to the surface of the transmission rod, a first memory alloy spring and a pressure spring are sleeved on the surface of the transmission rod close to the two ends respectively, the opposite ends of the first memory alloy spring and the pressure spring are fixedly connected with the surface of the rotating shaft, the opposite ends of the first memory alloy spring and the pressure spring are fixedly connected with the inner wall of the circular ring, an accelerating device is arranged, the novel air-cooling air-conditioning box is characterized in that a first driving wheel is rotationally connected to the front side of the supporting plate in a limiting mode, the first driving wheel is in transmission connection with a driving belt, a first connecting plate and a second connecting plate are rotationally connected to the rear side of the supporting plate through a pin shaft, the left ends of the first connecting plate and the second connecting plate are rotationally connected with a third connecting plate and a fourth connecting plate through a pin shaft respectively, the left ends of the third connecting plate and the fourth connecting plate are intersected and rotationally connected through a pin shaft, the first driving wheel is fixedly connected to the front side of the first driving wheel, a first fan blade is fixedly connected to the arc profile of the second driving wheel, a side plate is rotationally connected to the third connecting plate in a limiting mode, the rear side close to the left end.
Preferably, the speed increasing device comprises a groove formed in the arc-shaped outline of the ring, the inner wall of the groove is in limit sliding connection with a support ring, the inner wall of the support ring is fixedly connected with a connecting shaft, a memory alloy spring II is sleeved on the surface of the connecting shaft, one end of the memory alloy spring II is fixedly connected with the surface of the support ring, the other end of the memory alloy spring II is fixedly connected with the inner wall of the groove, a supporting plate is fixedly connected with one end of the memory alloy spring II, and the surface of the supporting plate is connected with the surface of the first transmission belt in a sliding mode.
Preferably, the number of the supporting plates is not less than ten, and the supporting plates are uniformly distributed on the arc-shaped profile of the ring.
Preferably, the front side of the driven wheel II is fixedly connected with a driven wheel III which rotates coaxially, the surface of the driven wheel III is in transmission connection with a transmission belt II, the front sides of the connecting plate III and the connecting plate IV, which are close to one end of the supporting plate, are rotatably connected with driven shafts through pin shafts, the surfaces of the driven shafts are in transmission connection with the transmission belt II, and the front ends of the driven shafts are fixedly connected with fan blades II.
Preferably, spacing sliding connection has the arm-tie about the rear side of curb plate, the front side fixedly connected with dog of arm-tie, the left side fixedly connected with extension spring two of dog, the left end of extension spring two and the right side fixed connection of curb plate, the front side fixedly connected with guide block by the right-hand member on the arm-tie, the left side of guide block and the surperficial sliding connection of drive belt two.
Preferably, the guide block is a cylindrical guide block, and the guide block is in sliding connection with the surface of the second transmission belt through an arc-shaped surface on the guide block.
Preferably, the heat dissipation and exhaust device comprises a gas collecting pipe fixed on the top of the inner wall of the box body, the inner wall of the gas collecting pipe is in up-down limit sliding connection with a first piston plate, the lower surface of the first piston plate is provided with a through hole and is fixedly connected with a one-way air valve through the through hole, the lower surface of the first piston plate is fixedly connected with a first traction plate, the top of the support plate is fixedly connected with a double-through-groove guide frame, a first slider and a second slider are respectively in sliding connection with two through grooves of the double-through-groove guide frame, the rear end of the first slider is fixedly connected with the front side of the first traction plate, the rear end of the second slider is fixedly connected with a second traction plate, the front side of the second traction plate is fixedly connected with a second piston plate, the side of the second piston plate is provided with an air vent, the right side of the gas collecting pipe is provided, one end of the exhaust pipe, far away from the gas collecting pipe, penetrates through the box body and extends to the outside of the switch cabinet body.
Preferably, the left side and the right side of the piston plate II are both connected with sealing rings in a sliding mode, and the inner walls of the two sealing rings are both fixedly connected with the surface of the exhaust pipe.
Compared with the prior art, the invention has the following beneficial effects: the switch cabinet body has the integral supporting and protecting effect;
the transformer winding is a circuit part of the transformer and is formed by winding a copper wire or an aluminum wire with higher conductivity;
in the box body, the rotating shaft is driven to rotate through the power mechanism, and under the normal temperature state, as shown in the figure, the rotating shaft is positioned at the circle center of the circular ring, and the rotating shaft drives the circular ring to perform fixed-axis rotation through the transmission of the transmission rod;
because the transformer winding can generate a large amount of heat during working, when the temperature in the switch cabinet body rises, the memory alloy spring is deformed under a high-temperature state, so that the memory alloy spring pushes the rotating shaft, the rotating shaft moves left after overcoming the elasticity of the pressure spring on the transmission rod, the rotating shaft is positioned at the left position on the transmission rod, even if the rotating shaft is positioned at the eccentric position in the circular ring, the motion track of the circular ring is similar to that of the eccentric wheel under the driving of the rotating shaft, under the state, when the flange surface on the circular ring is contacted with the first transmission belt, the pair of supporting plates can be pulled rightwards through the transmission belt, and otherwise, when the concave edge on the circular ring is contacted with the first transmission belt, the supporting plates are reset and move left under the coordination of the first tension spring on the supporting plates;
when the supporting plate moves to the right, the first connecting plate and the second connecting plate are pulled rightwards, so that the rhombus formed by the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate is flattened, and otherwise, when the supporting plate moves to the left, the rhombus formed by the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate is lengthened.
Through the transmission of the first transmission belt, the transmission wheel drives the second driven wheel and the first fan blade to rotate for a while, so that air cooling of a transformer winding is achieved, meanwhile, the support plate drives the first transmission wheel to transversely move left and right, dynamic air cooling is achieved, the coverage area of the air cooling is increased, and the air cooling efficiency is improved.
Through the arrangement of the speed increasing device, the rotating speed of the first driving wheel can be increased according to the temperature rise in the switch cabinet body, and the air cooling efficiency of the transformer winding is further improved.
Through heat dissipation exhaust apparatus's setting, can shift the discharge to the internal high temperature air of cubical switchboard, reduce and slow down the internal accumulation of heat at the cubical switchboard.
Through the matching use of the mechanisms, the problem that in the actual use process, the traditional high-frequency transformer switch cabinet is short in service life due to the fact that the heat dissipation effect is insufficient is solved; the transformer occasionally gets damp in sunny days, and the damp condition is more easily aggravated in the switch cabinet, which causes a potential hazard problem to the components in the transformer.
Drawings
FIG. 1 is a top view of a structure of the present invention;
FIG. 2 is a cross-sectional view of the switchgear body of FIG. 1 taken along direction AA in accordance with the present invention;
FIG. 3 is a cross-sectional view of the cassette of FIG. 2 of the present invention taken along direction BB;
FIG. 4 is a front cross-sectional view of the ring of FIG. 3 in accordance with the present invention;
FIG. 5 is a front elevational view of the driven wheel III of FIG. 3 in accordance with the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 4 at C in accordance with the present invention;
fig. 7 is a front cross-sectional view of the manifold of fig. 3 in accordance with the present invention.
In the figure: 1. a switch cabinet body; 2. a transformer winding; 3. a box body; 4. a rotating shaft; 5. a transmission rod; 6. a circular ring; 7. a first stop block; 8. a second stop block; 9. a memory alloy spring I; 10. a pressure spring; 11. a speed increasing device; 12. a first transmission belt; 13. a support plate; 131. a first tension spring; 14. a first transmission wheel; 15. a first connecting plate; 16. a second connecting plate; 17. a third connecting plate; 18. a fourth connecting plate; 19. a second driven wheel; 20. a first fan blade; 21. a side plate; 22. a heat dissipation and exhaust device; 23. a groove; 24. a support ring; 25. a connecting shaft; 26. a memory alloy spring II; 27. a supporting plate; 28. a driven wheel III; 29. a second transmission belt; 30. a driven shaft; 31. a second fan blade; 32. pulling a plate; 33. a stopper; 34. a tension spring II; 35. a guide block; 36. a gas collecting pipe; 37. a piston plate I; 38. a one-way air valve; 39. a first traction plate; 40. a double-through-slot guide frame; 41. a first sliding block; 42. a second sliding block; 43. a second traction plate; 44. a second piston plate; 45. a vent hole; 46. an exhaust pipe; 47. and (4) a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a high tension switchgear, includes the cubical switchboard body 1, plays holistic support protection effect through the cubical switchboard body 1.
The bottom fixedly connected with transformer winding 2 of the internal wall of cubical switchboard 1, transformer winding 2 is the circuit part of transformer, is formed by the copper conductor or the aluminium wire coiling of the higher conductivity, and the equal fixedly connected with box body 3 of front and back side of the internal wall of cubical switchboard 1.
The opening on the box body 3 faces the transformer winding 2, the inner wall of the box body 3 is connected with a rotating shaft 4 which is driven to rotate by a power mechanism in a limiting and rotating mode, and the power mechanism is a motor. Radial through-hole has been seted up on the surface of pivot 4 and has had transfer line 5 through the spacing sliding connection of through-hole, the tip fixedly connected with ring 6 of transfer line 5, in box body 3, drive the rotation of pivot 4 through power unit, under normal atmospheric temperature state, as shown in fig. 4, pivot 4 is in the centre of a circle position of ring 6 this moment, transmission through transfer line 5, make pivot 4 take ring 6 to carry out the dead axle and rotate, through transmission belt one 12 transmission this moment, make transmission belt one 12 drive wheel one 14, from the rotation of driving wheel two 19 and flabellum one 20, realize conventional air-cooled operation, the air current flow accelerates simultaneously, also help avoiding the condition of regaining moisture to appear.
The surface of the transmission rod 5 is fixedly connected with a first stop block 7 and a second stop block 8, the surfaces of the transmission rod 5, which are close to the two ends, are respectively sleeved with a first memory alloy spring 9 and a pressure spring 10, the opposite ends of the first memory alloy spring 9 and the pressure spring 10 are fixedly connected with the surface of the rotating shaft 4, the opposite ends of the first memory alloy spring 9 and the pressure spring 10 are fixedly connected with the inner wall of the circular ring 6, and the arc-shaped contour of the circular ring 6 is provided with a speed increasing device 11; through the arrangement of the speed increasing device 11, the rotating speed of the first driving wheel 14 can be increased according to the temperature rise in the switch cabinet body 1, and the air cooling efficiency of the transformer winding 2 is further improved.
The speed increasing device 11 comprises a groove 23 formed in the arc-shaped outline of the circular ring 6, a support ring 24 is connected to the inner wall of the groove 23 in a limiting sliding mode, a connecting shaft 25 is fixedly connected to the inner wall of the support ring 24, a memory alloy spring II 26 is sleeved on the surface of the connecting shaft 25, one end of the memory alloy spring II 26 is fixedly connected with the surface of the support ring 24, the other end of the memory alloy spring II 26 is fixedly connected with the inner wall of the groove 23, a supporting plate 27 is fixedly connected to one end, far away from the memory alloy spring II 26, of the connecting shaft 25, and the surface of the supporting plate 27 is.
During the use, when the temperature risees gradually in the switch cabinet body 1, high temperature can make memory alloy spring two 26 take place deformation, and the extension extends gradually, produces the extrusion to support ring 24 for support ring 24 takes connecting axle 25 and fagging 27 to remove, makes fagging 27 stretch out from recess 23, supports transmission belt 12.
When the connecting shaft 25 drives the supporting plate 27 to radially extend out of the groove 23, the outer diameter of the circular ring 6 can be increased, under the condition that the rotating speed of the rotating shaft 4 is not changed, the linear speed on the circular ring 6 is increased, and through the transmission of the first transmission belt 12, the rotating speeds of the first transmission wheel 14, the second driven wheel 19 and the first fan blade 20 are increased, so that the flowing of air flow can be accelerated, and more efficient air cooling can be realized on the transformer winding 2.
The number of the supporting plates 27 is not less than ten, and the supporting plates are evenly distributed on the arc-shaped contour of the circular ring 6.
Through the even distribution of fagging 27 on ring 6 that the quantity is no less than ten, can make drive belt 12 can produce more contact with fagging 27, improve transmission efficiency.
The arc-shaped outline of the circular ring 6 is connected with a transmission belt I12 in a transmission manner, the bottom of the inner wall of the box body 3 is connected with a supporting plate 13 in a limiting and sliding manner, the opposite side of the supporting plate 13 and the inner wall of the box body 3 is fixedly connected with a tension spring I131, a large amount of heat is generated when the transformer winding 2 works, when the temperature in the switch cabinet body 1 rises, the memory alloy spring I9 is deformed under a high-temperature state, the memory alloy spring I9 pushes the rotating shaft 4, the rotating shaft 4 moves left on the transmission rod 5 after overcoming the elastic force of the compression spring 10, the rotating shaft 4 is positioned at a left position on the transmission rod 5, even if the rotating shaft 4 is positioned at an eccentric position in the circular ring 6, the moving track of the circular ring 6 is similar to that of the eccentric wheel under the driving of the rotating shaft 4, and in this state, when the flange surface on the circular ring 6 is contacted with the, when the concave edge on the circular ring 6 is in contact with the first transmission belt 12, the support plate 13 is reset and moved to the left under the cooperation of the first tension spring 131 on the support plate 13.
The front side of the supporting plate 13 is rotatably connected with a first driving wheel 14 in a limiting mode, the first driving wheel 14 is in transmission connection with a first driving belt 12, the first driving wheel 14 can drive a second driven wheel 19 and a first fan blade 20 to rotate through transmission of the first driving belt 12, air cooling of the transformer winding 2 is achieved, meanwhile, the supporting plate 13 drives the first driving wheel 14 to move transversely left and right, dynamic air cooling is achieved, the coverage area of the air cooling is increased, and the air cooling efficiency is improved.
The rear side of the supporting plate 13 is rotatably connected with a first connecting plate 15 and a second connecting plate 16 through a pin shaft, the left ends of the first connecting plate 15 and the second connecting plate 16 are respectively rotatably connected with a third connecting plate 17 and a fourth connecting plate 18 through a pin shaft, when the supporting plate 13 moves to the right, the first connecting plate 15 and the second connecting plate 16 are pulled rightwards, so that a rhombus formed by the first connecting plate 15, the second connecting plate 16, the third connecting plate 17 and the fourth connecting plate 18 is flattened, and when the supporting plate 13 moves to the left, the rhombus formed by the first connecting plate 15, the second connecting plate 16, the third connecting plate 17 and the fourth connecting plate 18 is thinned.
The left ends of the third connecting plate 17 and the fourth connecting plate 18 are intersected and rotationally connected through a pin shaft, the front side of the first driving wheel 14 is fixedly connected with a second driven wheel 19, the front side of the second driven wheel 19 is fixedly connected with a third driven wheel 28 which coaxially rotates, the surface of the third driven wheel 28 is in transmission connection with a second driving belt 29, the front sides of the third connecting plate 17 and the fourth connecting plate 18, which are close to one end of the supporting plate 13, are all rotationally connected with driven shafts 30 through pin shafts, the surfaces of the two driven shafts 30 are in transmission connection with the second driving belt 29, and the front ends of the driven.
When the wind cooling device is used, the driven wheel II 19 drives the driven wheel III 28 to coaxially rotate, and the driven shaft 30 on the connecting plate III 17 and the driven shaft 30 on the connecting plate IV 18 synchronously rotate through the transmission of the transmission belt II 29, so that the wind cooling efficiency is further improved;
secondly, in the process that the supporting plate 13 moves rightwards, the driven shaft 30 on the third connecting plate 17 and the driven shaft 30 on the fourth connecting plate 18 move oppositely in the vertical direction, otherwise, the driven shafts move away from each other, so that the two driven shafts 30 drive the second fan blades 31 to rotate and simultaneously move up and down, and the effect of dynamic cooling is achieved; from the analysis of the overall motion states of the third connecting plate 17 and the fourth connecting plate 18, the dynamics also include the movement in the horizontal direction, and after the motion states are superimposed, the driven shaft 30 rotates with the second fan blade 31 and simultaneously moves in the oblique direction.
The left and right limiting sliding connection of the rear side of the side plate 21 is provided with a pulling plate 32, the front side of the pulling plate 32 is fixedly connected with a stop 33, the left side of the stop 33 is fixedly connected with a second extension spring 34, the left end of the second extension spring 34 is fixedly connected with the right side of the side plate 21, the front side of the pulling plate 32 close to the right end is fixedly connected with a guide block 35, and the left side of the guide block 35 is slidably connected with the surface of the second transmission belt 29.
During the use, when two driven shafts 30 carried out ascending removal in vertical direction, can make drive belt two 29 become lax, at this moment, through the elastic force effect of extension spring two 34, carry out the tractive to dog 33 for dog 33 takes arm-tie 32 to move to the left, makes guide block 35 can pull drive belt two 29 to the left, makes drive belt two 29 can keep tight state all the time, reaches good transmission effect.
The guide block 35 is a cylindrical guide block, the guide block 35 is in sliding connection with the surface of the second driving belt 29 through an arc-shaped surface on the guide block, and the second driving belt 29 can slide on the guide block 35 more smoothly through the arrangement of the guide block 35 which is a cylindrical guide block.
The arc-shaped outline of the driven wheel II 19 is fixedly connected with a fan blade I20, the rear side of the connecting plate III 17 close to the left end is in limited rotation connection with a side plate 21, the left side of the side plate 21 is fixedly connected with the inner wall of the box body 3, and the top of the supporting plate 13 is fixedly connected with a heat dissipation and exhaust device 22; through the setting of heat dissipation exhaust apparatus 22, can shift the discharge to the high temperature air in the cubical switchboard body 1, reduce and slow down the accumulation of heat in the cubical switchboard body 1.
The heat dissipation and exhaust device 22 comprises a gas collecting pipe 36 fixed on the top of the inner wall of the box body 3, the inner wall of the gas collecting pipe 36 is in up-down limit sliding connection with a piston plate I37, the lower surface of the piston plate I37 is provided with a through hole and is fixedly connected with a one-way air valve 38 through the through hole, the lower surface of the piston plate I37 is fixedly connected with a pulling plate I39, the top of the support plate 13 is fixedly connected with a double-through-groove guide frame 40, two through grooves of the double-through-groove guide frame 40 are respectively in sliding connection with a slider I41 and a slider II 42, the rear end of the slider I41 is fixedly connected with the front side of the pulling plate I39, the rear end of the slider II 42 is fixedly connected with a pulling plate II 43, the front side of the pulling plate II 43 is fixedly connected with a piston plate II 44, the side of the piston plate II 44 is provided with an air vent hole 45, the right, the end of the exhaust pipe 46 far from the gas collecting pipe 36 penetrates through the box body 3 and extends to the outside of the switch cabinet body 1.
When the air switch cabinet is used, as shown in fig. 7, the first piston plate 37 can only perform up-and-down limited sliding in the air collecting pipe 36, and the second piston plate 44 can only perform up-and-down limited sliding in the exhaust pipe 46, when the support plate 13 carries the double-through-groove guide frame 40 to move left, the first slider 41 and the second slider 42 can slide relative to the corresponding through grooves, and under the guidance of the corresponding through grooves, the first slider 41 drives the first traction plate 39, the first piston plate 37 and the one-way air valve 38 to move down, so that air in the switch cabinet body 1 is sucked into the air collecting pipe 36, and the top of the air collecting pipe 36 is fixedly connected with the top of the inner wall of the box body 3 before, so that the top of the air collecting pipe 36 is.
Meanwhile, the second slide block 42 drives the second traction plate 43 and the second piston plate 44 to move upwards on the exhaust pipe 46, so that the vent hole 45 is not communicated with the exhaust pipe 46 any more, the side surface of the second piston plate 44 seals the exhaust pipe 46, the whole gas collecting pipe 36 is in a sealed state, and high-temperature air in the switch cabinet body 1 can enter more easily.
Then when the support plate 13 carries the double-through-slot guide frame 40 to move rightwards, the movement process is reset, high-pressure air accumulated in the front gas collecting pipe 36 is discharged along with the communication between the vent hole 45 and the exhaust pipe 46 in the downward movement process of the piston plate II 44, and finally discharged out of the switch cabinet body 1, so that the transfer of high-temperature air in the switch cabinet body 1 is realized; the supporting plate 13 carries the double-through-slot guide frame 40 to reciprocate left and right, so that high-temperature air in the switch cabinet body 1 is continuously transferred and exhausted.
The equal sliding connection in the left and right sides of the second piston plate 44 has sealing rings 47, and the inner walls of two sealing rings 47 are all connected with the fixed surface of exhaust pipe 46, and through the setting of two sealing rings 47, the sealing effect of the junction of the second piston plate 44 and the exhaust pipe 46 can be improved, and the high-efficiency transfer of high-temperature air in the switch cabinet body 1 is realized.
The memory alloy used in the scheme is nickel-titanium alloy, and becomes very soft at the temperature of below twenty-eight ℃, and becomes very hard at the temperature of above forty ℃.
The working principle is as follows: when the high-voltage switch cabinet is used, the switch cabinet body 1 has an integral supporting and protecting effect; the transformer winding 2 is a circuit part of the transformer and is formed by winding a copper wire or an aluminum wire with higher conductivity; in the box body 3, the power mechanism drives the rotating shaft 4 to rotate, and in a normal temperature state, as shown in fig. 4, the rotating shaft 4 is positioned at the circle center of the circular ring 6, and the rotating shaft 4 drives the circular ring 6 to perform fixed-axis rotation through the transmission of the transmission rod 5; because the transformer winding 2 can generate a large amount of heat during operation, when the temperature in the switch cabinet body 1 rises, the memory alloy spring I9 can deform under a high-temperature state, so that the memory alloy spring I9 pushes the rotating shaft 4, the rotating shaft 4 moves left on the transmission rod 5 after overcoming the elastic force of the pressure spring 10, the rotating shaft 4 is positioned at a left position on the transmission rod 5, even if the rotating shaft 4 is positioned at an eccentric position in the circular ring 6, the movement track of the circular ring 6 is similar to that of the eccentric wheel under the driving of the rotating shaft 4, in this state, when a flange surface on the circular ring 6 is in contact with the transmission belt I12, the supporting plate 13 can be pulled rightwards through the transmission belt I12, and on the contrary, when a concave edge on the circular ring 6 is in contact with the transmission belt I12, the supporting plate 13 is reset and moves left under the cooperation of the tension spring I131 on the supporting plate; when the support plate 13 moves to the right, the first connecting plate 15 and the second connecting plate 16 are pulled to the right, so that the rhombus formed by the first connecting plate 15, the second connecting plate 16, the third connecting plate 17 and the fourth connecting plate 18 becomes flat, and conversely, when the support plate 13 moves to the left, the rhombus formed by the first connecting plate 15, the second connecting plate 16, the third connecting plate 17 and the fourth connecting plate 18 becomes slender; through the transmission of the transmission belt I12, the transmission wheel I14 can drive the driven wheel II 19 and the fan blade I20 to rotate, so that the air cooling of the transformer winding 2 is realized, and meanwhile, the support plate 13 drives the transmission wheel I14 to transversely move left and right, so that the dynamic air cooling is realized, the coverage area of the air cooling is increased, and the air cooling efficiency is improved; through the arrangement of the heat dissipation and exhaust device 22, high-temperature air in the switch cabinet body 1 can be transferred and exhausted, and the accumulation of heat in the switch cabinet body 1 is reduced and slowed down; through the arrangement of the heat dissipation and exhaust device 22, high-temperature air in the switch cabinet body 1 can be transferred and exhausted, and the accumulation of heat in the switch cabinet body 1 is reduced and slowed down; through the matching use of the mechanisms, the problem that in the actual use process, the traditional high-frequency transformer switch cabinet is short in service life due to the fact that the heat dissipation effect is insufficient is solved; the transformer occasionally gets damp in sunny days, and the damp condition is more easily aggravated in the switch cabinet, which causes a potential hazard problem to the components in the transformer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high tension switchgear, includes the cubical switchboard body (1), the bottom fixedly connected with transformer winding (2), its characterized in that of the cubical switchboard body (1) inner wall: the front side and the rear side of the inner wall of the switch cabinet body (1) are fixedly connected with box bodies (3);
an opening on the box body (3) faces the transformer winding (2), a rotating shaft (4) driven to rotate by a power mechanism is connected in a limiting and rotating mode through the inner wall of the box body (3), a radial through hole is formed in the surface of the rotating shaft (4), a transmission rod (5) is connected in a limiting and sliding mode through the through hole, a circular ring (6) is fixedly connected to the end portion of the transmission rod (5), a first stop block (7) and a second stop block (8) are fixedly connected to the surface of the transmission rod (5), the surfaces, close to the two ends, of the transmission rod (5) are respectively sleeved with a first memory alloy spring (9) and a pressure spring (10), opposite ends of the first memory alloy spring (9) and the pressure spring (10) are fixedly connected to the surface of the rotating shaft (4), opposite ends of the first memory alloy spring (9) and the pressure spring (10) are fixedly connected to the inner wall of the circular ring (6), the transmission of the arc-shaped outline of the ring (6) is connected with a first transmission belt (12), the bottom of the inner wall of the box body (3) is in limited sliding connection with a support plate (13), the opposite side of the inner wall of the box body (3) and the support plate (13) is fixedly connected with a first tension spring (131), the front side of the support plate (13) is in limited rotary connection with a first transmission wheel (14), the first transmission wheel (14) is in transmission connection with the first transmission belt (12), the rear side of the support plate (13) is in rotary connection with a first connecting plate (15) and a second connecting plate (16) through a pin shaft, the left ends of the first connecting plate (15) and the second connecting plate (16) are respectively in rotary connection with a third connecting plate (17) and a fourth connecting plate (18) through a pin shaft, the left ends of the third connecting plate (17) and the fourth connecting plate (18) are intersected and are in rotary, fixedly connected with flabellum one (20) on the arc profile of follow driving wheel two (19), the rear side spacing rotation that is close to the left end on connecting plate three (17) is connected with curb plate (21), the left side of curb plate (21) and the inner wall fixed connection of box body (3), the top fixedly connected with heat dissipation exhaust apparatus (22) of backup pad (13).
2. The high-voltage switchgear cabinet according to claim 1, characterized in that: speed increasing device (11) is including offering recess (23) on ring (6) arc profile, the spacing sliding connection of inner wall of recess (23) has support ring (24), the inner wall fixedly connected with connecting axle (25) of support ring (24), the surface cover of connecting axle (25) has memory alloy spring two (26), the one end of memory alloy spring two (26) is connected with the fixed surface of support ring (24), the other end of memory alloy spring two (26) and the inner wall fixed connection of recess (23), keep away from one end fixedly connected with fagging (27) of memory alloy spring two (26) on connecting axle (25), the surface of fagging (27) and the surface sliding connection of drive belt (12).
3. The high-voltage switchgear cabinet according to claim 2, characterized in that: the number of the supporting plates (27) is not less than ten, and the supporting plates are uniformly distributed on the arc-shaped profile of the ring (6).
4. The high-voltage switchgear cabinet according to claim 1, characterized in that: follow the coaxial pivoted of front side fixedly connected with from driving wheel three (28) of driving wheel two (19), the surface transmission of following driving wheel three (28) is connected with drive belt two (29), the front side that is close to backup pad (13) one end on connecting plate three (17) and connecting plate four (18) all is connected with driven shaft (30), two through round pin axle rotation the surface and the transmission of drive belt two (29) of driven shaft (30) are connected, the front end fixedly connected with flabellum two (31) of driven shaft (30).
5. The high-voltage switchgear cabinet according to claim 4, characterized in that: spacing sliding connection has arm-tie (32) about the rear side of curb plate (21), front side fixedly connected with dog (33) of arm-tie (32), the left side fixedly connected with extension spring two (34) of dog (33), the left end of extension spring two (34) and the right side fixed connection of curb plate (21), the front side fixedly connected with guide block (35) of leaning on the right-hand member on arm-tie (32), the left side of guide block (35) and the surperficial sliding connection of drive belt two (29).
6. The high voltage switchgear of claim 5, wherein: the guide block (35) is a cylindrical guide block, and the guide block (35) is connected with the surface of the second transmission belt (29) in a sliding mode through an arc-shaped surface on the guide block.
7. The high-voltage switchgear cabinet according to claim 1, characterized in that: the heat dissipation and exhaust device (22) comprises a gas collecting pipe (36) fixed on the top of the inner wall of the box body (3), the inner wall of the gas collecting pipe (36) is connected with a piston plate I (37) in an up-down limiting sliding mode, the lower surface of the piston plate I (37) is provided with a through hole and is fixedly connected with a one-way air valve (38) through the through hole, the lower surface of the piston plate I (37) is fixedly connected with a traction plate I (39), the top of the supporting plate (13) is fixedly connected with a double-through-groove guide frame (40), two through grooves of the double-through-groove guide frame (40) are respectively connected with a sliding block I (41) and a sliding block II (42) in a sliding mode, the rear end of the sliding block I (41) is fixedly connected with the front side of the traction plate I (39), the rear end of the sliding block II (42) is fixedly connected with a traction plate II (43), and, air vent (45) have been seted up to the side of piston board two (44), the through-hole has been seted up and has been passed through-hole fixedly connected with blast pipe (46) on the right side of gas collecting pipe (36), piston board two (44) run through blast pipe (46) and with blast pipe (46) sliding connection, the one end of keeping away from gas collecting pipe (36) on blast pipe (46) runs through box body (3) and extends to outside the switch cabinet body (1).
8. The high voltage switchgear of claim 7, wherein: and the left side and the right side of the second piston plate (44) are both connected with sealing rings (47) in a sliding manner, and the inner walls of the two sealing rings (47) are both fixedly connected with the surface of the exhaust pipe (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010979727.4A CN112072498B (en) | 2020-09-17 | 2020-09-17 | High-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010979727.4A CN112072498B (en) | 2020-09-17 | 2020-09-17 | High-voltage switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN112072498A CN112072498A (en) | 2020-12-11 |
| CN112072498B true CN112072498B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010979727.4A Active CN112072498B (en) | 2020-09-17 | 2020-09-17 | High-voltage switch cabinet |
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| CN (1) | CN112072498B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114212131B (en) * | 2021-12-17 | 2023-05-23 | 江苏农牧科技职业学院 | High stability conveyer for computer hardware |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003322395A (en) * | 2002-04-30 | 2003-11-14 | Toshiba Kyaria Kk | Ventilation fan for duct |
| CN207834066U (en) * | 2017-12-29 | 2018-09-07 | 福州万山电力咨询有限公司 | A kind of reactor wind-cooling heat dissipating control device |
| CN108281902A (en) * | 2018-03-01 | 2018-07-13 | 武汉理工大学 | A kind of electric automatization with positioning function heat dissipation type electrical cabinet |
| CN110794540A (en) * | 2019-11-18 | 2020-02-14 | 湖南彗驰科技有限公司 | Optical fiber transfer box easy to remove dust and moisture |
| CN211474461U (en) * | 2020-01-13 | 2020-09-11 | 石家庄翔卯至诚塑料制品有限公司 | Shunting heat dissipation large-wind-force centrifugal ventilator |
| CN111244794B (en) * | 2020-02-25 | 2021-06-04 | 安徽通昊电力设备有限公司 | Prevent condensation looped netowrk cabinet |
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| CN112072498A (en) | 2020-12-11 |
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