CN113314966A

CN113314966A - Waterproof and cold bridge-proof high-altitude high-voltage electric power distribution cabinet

Info

Publication number: CN113314966A
Application number: CN202110673336.4A
Authority: CN
Inventors: 孙齐宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-08-27

Abstract

The invention discloses a waterproof and cold bridge effect-preventing high-altitude high-voltage electrical power distribution cabinet, which comprises a base, wherein a heat insulation plate is arranged inside the base, auxiliary power distribution cabinets are arranged on two sides of the top of the base, a power distribution cabinet is arranged in the middle of the top of the base, H-shaped mesh plates are symmetrically arranged inside the power distribution cabinet and the auxiliary power distribution cabinets, and a waterproof plate is arranged at the bottom in the power distribution cabinet; according to the invention, through the mutual matching of the thermal fuse, the pressing plate, the second spring, the pressing switch, the servo motor, the second gear, the first gear, the two-way threaded rod, the internal threaded hole, the baffle, the second port and the storage bin, the fire extinguishing treatment can be carried out on the interior of the power distribution cabinet at the first time, so that the damage of electrical elements is reduced, meanwhile, the use safety of the power distribution cabinet is also increased, the manual fire extinguishing work of an operator is not needed, the use practicability of the power distribution cabinet is greatly improved, and the structural design is simple and appropriate, and is suitable for popularization.

Description

Waterproof and cold bridge-proof high-altitude high-voltage electric power distribution cabinet

Technical Field

The invention relates to the technical field of piezoelectric power distribution cabinets, in particular to a waterproof high-altitude high-voltage electric power distribution cabinet capable of preventing a cold bridge effect.

Background

The power distribution cabinet is a general name of a motor control center and is used in occasions with dispersed loads and less loops; the motor control center is used for the occasions with concentrated loads and more loops, the motor control centers distribute the electric energy of a certain circuit of the upper-level distribution equipment to the nearby loads, and the high-voltage distribution cabinet is used for switching on and off, controlling or protecting the power system in power generation, power transmission, power distribution, electric energy conversion and consumption and the like.

When the current high-voltage electric power distribution cabinet is used, most of the high-voltage electric power distribution cabinets are damaged due to short circuit, so that fire disasters occur, operators cannot effectively and quickly extinguish the fire in the first time, and meanwhile, the operators need to manually extinguish the fire on site, so that the operators are possibly harmed to the health of the operators due to large fire, and the use safety of the power distribution cabinet is further reduced; most of the existing power distribution cabinets are provided with vents, and the positions of the vents are not sealed, so that when a fire disaster occurs in the power distribution cabinet, part of fire can spread through the vents to burn surrounding objects, the economic loss is increased, and the practicability of the power distribution cabinet is reduced; when current dry powder is stored for a long time, most can lead to the dry powder to wet and make its discovery caking phenomenon, and the dry powder of its caking can not effectually put out a fire to the inside conflagration of switch board, reduces its fire extinguishing performance, and the while of too much dry powder flows and can slow down its falling speed to the latency that the dry powder was put out a fire has been prolonged, has further increased electrical components's damage.

Disclosure of Invention

The invention aims to provide a waterproof and cold bridge-proof high-altitude high-voltage electrical power distribution cabinet, which aims to solve the problems that when the conventional high-voltage electrical power distribution cabinet is used, most of high-voltage electrical power distribution cabinets are damaged due to short circuit and cause fire, and at the moment, operators cannot effectively and quickly extinguish fire at the first time, and need to manually extinguish the fire on site, so that the operators are possibly harmed to the health of the operators due to large fire, and the use safety of the power distribution cabinet is further reduced; most of the existing power distribution cabinets are provided with vents, and the positions of the vents are not sealed, so that when a fire disaster occurs in the power distribution cabinet, part of fire can spread through the vents to burn surrounding objects, the economic loss is increased, and the practicability of the power distribution cabinet is reduced; when current dry powder is stored for a long time, the majority can lead to the dry powder to wet and make its discovery caking phenomenon, and the dry powder of its caking can not effectually put out a fire to the inside conflagration of switch board, reduces its fire extinguishing performance, and the while of too much dry powder flows and can slow down its falling speed to the latency that the dry powder was put out a fire has been prolonged, has further increased the relevant problem of electrical components' damage.

In order to achieve the purpose, the invention provides the following technical scheme: comprises a base, wherein a heat insulation plate is arranged inside the base, auxiliary power distribution cabinets are arranged on two sides of the top of the base, a power distribution cabinet is arranged in the middle of the top of the base, H-shaped mesh plates are symmetrically arranged inside the power distribution cabinet and the auxiliary power distribution cabinet, the inner bottom of the power distribution cabinet is provided with a waterproof plate, the middle positions and the bottoms of the two sides of the power distribution cabinet are provided with first through holes, the insides of two groups of the first through holes on the same side are provided with first sealing assemblies, third through holes are formed in the tops of two sides of the power distribution cabinet, second sealing assemblies are arranged inside the two groups of third through holes, a covering assembly is arranged in the middle of the inner top of the power distribution cabinet, a pressing assembly is arranged on one side of the inner top of the power distribution cabinet, the middle position department at switch board top is equipped with stores the storehouse, the middle position department of storing the bottom in the storehouse is equipped with drive assembly.

Preferably, first seal assembly includes first closing plate, connection rope, first spring and arc gag lever post, first closing plate is equipped with four groups, four groups first closing plate all articulates in the intermediate position department and the bottom of switch board both sides and with first opening looks adaptation, four groups the inside of first closing plate all runs through and is equipped with the arc gag lever post that is connected with the switch board, four groups the outside of arc gag lever post all overlaps and is equipped with the first spring that is connected with first closing plate, and the homonymy is two sets of the bottom of first closing plate all is connected and is equipped with the connection rope.

Preferably, the second seal assembly includes slider, spout, second closing plate and hinge bar, the second closing plate is equipped with two sets ofly, and is two sets of the second closing plate is located the top of switch board both sides and with third opening looks adaptation, and the bottom of two sets of second closing plates and be connected with the connecting rope, and is two sets of one side that the second closing plate kept away from all is equipped with the spout, and is two sets of the inside sliding connection that all of spout has the slider, and is two sets of one side that the slider was kept away from mutually all articulates and is equipped with the hinge bar.

Preferably, the lid closes the subassembly and includes two-way threaded rod, internal thread hole, first gear, second opening and baffle, the second opening is located the intermediate position department at top in the switch board and is linked together with the inside of storing the storehouse, the inside both sides of second opening all are equipped with the baffle that extends to the switch board outside, and the baffle is articulated each other with the hinge bar, and is two sets of the intermediate position department that the baffle is close to one side all is equipped with the internal thread hole, and is two sets of the inside in internal thread hole is equipped with the two-way threaded rod rather than the looks adaptation jointly, the intermediate position department in the two-way threaded rod outside is equipped with first gear.

Preferably, press the subassembly and include press switch, second spring, hot melt silk and press the clamp plate, press switch is located one side at top in the switch board, the both sides of press switch bottom all are equipped with the second spring, and are two sets of the bottom of second spring is equipped with jointly and presses the clamp plate, the bottom of pressing the clamp plate is equipped with the hot melt silk that links to each other with a set of H type otter board.

Preferably, drive assembly includes U type mounting panel, puddler, dwang, second gear, servo motor and third gear, U type mounting panel is located the intermediate position department of storing the storehouse bottom, the inside top of U type mounting panel runs through and is equipped with and stores the dwang that the storehouse links to each other, the intermediate position department in the dwang outside is equipped with the third gear, the outside both sides of dwang all are equipped with the puddler, the bottom of U type mounting panel one side is equipped with servo motor, servo motor's output is equipped with the second gear with third gear and first gear engaged with.

Preferably, the top of the outer side of the storage bin is in threaded connection with a bin cover matched with the storage bin, and the top of the bin cover and the middle position of the outer side of the storage bin are both provided with arc-shaped rain baffles.

Preferably, the middle positions of two sides of the auxiliary power distribution cabinet are provided with ventilation screen plates, and the top of the auxiliary power distribution cabinet is provided with an inclined plate matched with the arc rain baffle plate.

Preferably, the four corners of the bottom of the storage bin are provided with support rods, and the support rods are connected with the power distribution cabinet.

Preferably, the front ends of the power distribution cabinet and the auxiliary power distribution cabinet are provided with bin doors, and the front ends of the bin doors are provided with handles.

Compared with the prior art, the invention provides the waterproof high-altitude high-voltage electric power distribution cabinet capable of preventing the cold bridge effect, and the waterproof high-altitude high-voltage electric power distribution cabinet has the following beneficial effects:

1. according to the invention, through the mutual matching of the thermal fuse, the pressing plate, the second spring, the pressing switch, the servo motor, the second gear, the first gear, the two-way threaded rod, the internal threaded hole, the baffle, the second port and the storage bin, the fire extinguishing treatment can be carried out on the interior of the power distribution cabinet at the first time, so that the damage of electrical elements is reduced, meanwhile, the use safety of the power distribution cabinet is also increased, the manual fire extinguishing work of an operator is not needed, the use practicability of the power distribution cabinet is greatly improved, and the structural design is simple and appropriate, and is suitable for popularization.

2. According to the invention, through the mutual matching of the baffle, the hinge rod, the sliding block, the sliding groove, the second sealing plate, the third through hole, the connecting rope, the first sealing plate, the first spring, the arc-shaped limiting rod and the first through hole, the sealing performance of the power distribution cabinet can be effectively improved, so that the spread of fire can be reduced, the damage of surrounding objects can be reduced, and meanwhile, the dry powder can be prevented from leaking out through the closing of the power distribution cabinet, so that the fire extinguishing efficiency is improved, and the economic loss is reduced.

3. According to the invention, through the mutual matching of the second gear, the third gear, the rotating rod, the stirring rod and the storage bin, the falling speed of the dry powder can be effectively increased, so that the fire extinguishing and waiting time is reduced, the damage of electrical elements in the power distribution cabinet can be further reduced, and meanwhile, the agglomerated dry powder can be crushed through the design of the parts, so that the powder of the dry powder is ensured, and the fire extinguishing performance is improved.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a front cross-sectional view of a storage bin of the present invention;

FIG. 4 is a schematic perspective view of an H-shaped mesh plate according to the present invention;

FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 6 is an enlarged view of FIG. 1 at B of the present invention;

FIG. 7 is an enlarged view of the invention at C of FIG. 1;

FIG. 8 is an enlarged view of the invention at D of FIG. 1;

fig. 9 is an enlarged view of fig. 3 at E according to the present invention.

In the figure: 1. a base; 2. a heat insulation plate; 3. h-shaped mesh plate; 4. a waterproof sheet; 5. a power distribution cabinet; 6. a storage bin; 7. an auxiliary power distribution cabinet; 8. a first sealing plate; 9. connecting ropes; 10. a first spring; 11. a first port; 12. an arc-shaped limiting rod; 13. a push switch; 14. a second spring; 15. thermal fusing; 16. a pressing plate; 17. a bidirectional threaded rod; 18. an internally threaded bore; 19. a first gear; 20. a second port; 21. a baffle plate; 22. a slider; 23. a chute; 24. a second sealing plate; 25. a hinged lever; 26. a U-shaped mounting plate; 27. a stirring rod; 28. rotating the rod; 29. a second gear; 30. a servo motor; 31. a third gear; 32. a third port.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides the following technical solutions: the waterproof function is realized by the waterproof function, prevent high altitude high voltage electrical switch board of "cold bridge" effect, including base 1, base 1's inside is equipped with heat insulating board 2, the both sides at base 1 top all are equipped with auxiliary power distribution cabinet 7, the intermediate position department at base 1 top is equipped with switch board 5, switch board 5 and auxiliary power distribution cabinet 7's inside all symmetry is equipped with H type network board 3, the interior bottom of switch board 5 is equipped with waterproof board 4, the intermediate position department and the bottom of switch board 5 both sides all are equipped with first opening 11, the inside of two sets of first openings 11 of homonymy all is equipped with first seal assembly, the top of switch board 5 both sides all is equipped with third opening 32, the inside of two sets of third opening 32 all is equipped with the second seal assembly, the intermediate position department at top is equipped with the lid and closes the subassembly in switch board 5, one side at top is equipped with the pressing component in the switch board 5, the intermediate position department at switch board 5 top is equipped with stores storehouse 6, the intermediate position department of storing 6 bottom is equipped with drive assembly.

As a preferable embodiment of the present embodiment: first seal assembly includes first closing plate 8, connect rope 9, first spring 10 and arc gag lever post 12, first closing plate 8 is equipped with four groups, four groups of first closing plate 8 all articulate in the intermediate position department and the bottom of switch board 5 both sides and with first opening 11 looks adaptations, four groups of first closing plate 8's inside all runs through and is equipped with the arc gag lever post 12 that is connected with switch board 5, four groups of arc gag lever posts 12's the outside all overlaps and is equipped with the first spring 10 that is connected with first closing plate 8, the bottom of the two sets of first closing plate 8 of homonymy all is connected and is equipped with and connects rope 9.

As a preferable embodiment of the present embodiment: the second seal assembly includes slider 22, spout 23, second sealing plate 24 and hinge bar 25, second sealing plate 24 is equipped with two sets ofly, two sets of second sealing plate 24 are located the top of 5 both sides of switch board and with third port 32 looks adaptation, and the bottom of two sets of second sealing plate 24 is connected with being connected rope 9, one side that two sets of second sealing plate 24 kept away from mutually all is equipped with spout 23, the inside of two sets of spout 23 all has slider 22, one side that two sets of slider 22 kept away from mutually all articulates and is equipped with hinge bar 25.

As a preferable embodiment of the present embodiment: the lid closes the subassembly and includes two-way threaded rod 17, internal thread hole 18, first gear 19, second through-hole 20 and baffle 21, second through-hole 20 is located the intermediate position department at top in switch board 5 and is linked together with the inside of storing storehouse 6, the inside both sides of second through-hole 20 all are equipped with the baffle 21 that extends to the switch board 5 outside, and baffle 21 and hinge bar 25 are articulated each other, two sets of baffles 21 all are equipped with internal thread hole 18 near the intermediate position department of one side mutually, the inside of two sets of internal thread holes 18 is equipped with the two-way threaded rod 17 rather than the looks adaptation jointly, the intermediate position department in the 17 outside of two-way threaded rod is equipped with first gear 19.

As a preferable embodiment of the present embodiment: the pressing assembly comprises a pressing switch 13, second springs 14, thermal fuses 15 and pressing plates 16, the pressing switch 13 is located on one side of the top of the power distribution cabinet 5, the second springs 14 are arranged on two sides of the bottom of the pressing switch 13, the pressing plates 16 are arranged at the bottoms of the two groups of second springs 14, and the thermal fuses 15 connected with the group of H-shaped mesh plates 3 are arranged at the bottoms of the pressing plates 16.

As a preferable embodiment of the present embodiment: drive assembly includes U type mounting panel 26, puddler 27, dwang 28, second gear 29, servo motor 30 and third gear 31, U type mounting panel 26 is located the intermediate position department of storing storehouse 6 bottom, the inside top of U type mounting panel 26 is run through and is equipped with the dwang 28 that links to each other with storing storehouse 6, the intermediate position department in the dwang 28 outside is equipped with third gear 31, the outside both sides of dwang 28 all are equipped with puddler 27, the bottom of U type mounting panel 26 one side is equipped with servo motor 30, servo motor 30's output is equipped with the second gear 29 with third gear 31 and first gear 19 looks meshing.

As a preferable embodiment of the present embodiment: the top threaded connection who stores 6 outsides in storehouse has rather than the cang gai of looks adaptation, and the top of cang gai and the intermediate position department that stores 6 outsides in storehouse all are equipped with the arc weather shield, and the lid of being convenient for closes and to store 6 still can prevent the infiltration of rainwater simultaneously.

As a preferable embodiment of the present embodiment: the middle position department of 7 both sides of two sets of auxiliary power distribution cabinets all is equipped with the ventilation otter board, and the top of 7 of two sets of auxiliary power distribution cabinets all is equipped with the hang plate that keeps off the rain board looks adaptation with the arc, and the thermal diffusion of the inside electrical components of 7 of auxiliary power distribution cabinets of being convenient for still can carry out the drainage work to the rainwater simultaneously.

As a preferable embodiment of the present embodiment: store the four corners department of 6 bottoms in storehouse and all be equipped with the bracing piece, and bracing piece and 5 interconnect of switch board, the storehouse 6 is stored to the erection bracing of being convenient for.

As a preferable embodiment of the present embodiment: the front one end of switch board 5 and supplementary switch board 7 all is equipped with the door, and the front one end of door all is equipped with the handle, is convenient for open installation electrical components.

Embodiment 1, as shown in fig. 5 and 8, when a fire breaks out inside the distribution cabinet 5, the hinged rod 25 can be driven to perform hinged rotation by moving and opening the baffle 21, the slider 22 can be driven to slide inside the sliding groove 23 by the hinged movement of the hinged rod 25, so that the second sealing plate 24 can be driven to perform hinged rotation by the movement of the slider 22, so that the second sealing plate 24 and the third through opening 32 perform closing operation, meanwhile, the stretching operation of the connecting rope 9 can be released by closing the second sealing plate 24, and the fixing operation of the first sealing plate 8 can be released, then the first sealing plate 8 can be driven to perform rotational movement outside the arc-shaped limiting rod 12 by the elastic restoring force of the first spring 10, so that the first through opening 11 can be closed by the first sealing plate 8, and a sealed space can be formed inside the distribution cabinet 5 by closing the first through opening 11 and the third through opening 32, effectively reduces the spread of fire and simultaneously can prevent the dry powder from leaking.

Embodiment 2, as shown in fig. 9, when the dry powder inside the storage bin 6 is agglomerated due to damp or other reasons, the second gear 29 rotates and simultaneously drives the third gear 31 and the rotating rod 28 to rotate, so that the rotating rod 28 drives the stirring rod 27 to rotate, the dry powder inside the storage bin 6 can be stirred by the rotation of the stirring rod 27, the falling speed of the dry powder is prevented from being reduced too much, and the agglomerated dry powder can be crushed.

The working principle is as follows: when the device is used, an operator can firstly install main electrical elements inside the power distribution cabinet 5, some auxiliary electrical elements can be installed inside the auxiliary power distribution cabinet 7, meanwhile, the air inside the power distribution cabinet 5 can be unobstructed through the design of the first through hole 11 and the third through hole 32, so that the heat generated when the electrical elements work is reduced, meanwhile, the heat insulation treatment can be effectively carried out on the power distribution cabinet 5 and the installation position through the heat insulation plate 2 designed inside the base 1, further, the heat can be prevented from entering, the excessive consumption on cooling components inside the power distribution cabinet 5 can be avoided, the waterproof work can be carried out on the bottom of the power distribution cabinet 5 through the design of the waterproof plate 4, so that an external water source is prevented from permeating into the power distribution cabinet 5 to damage the internal electrical elements, when partial electrical elements inside the power distribution cabinet 5 are damaged to cause fire, the hot melt wire 15 can be fused through the high temperature of the fire, the tension of the pressing plate 16 can be released by the fracture of the thermal fuse 15, and the pressing plate 16 is driven to recover by the elastic restoring force of the second spring 14 to press the pressing switch 13, and the servo motor 30 can be switched on by the pressing of the pressing switch 13;

at this time, an auxiliary electrical component in the auxiliary power distribution cabinet 7 can drive the servo motor 30 to work, the servo motor 30 drives the second gear 29 to rotate, the second gear 29 and the first gear 19 are meshed with each other to drive the bidirectional threaded rod 17 to rotate inside the inner threaded hole 18, so that the baffle plate 21 can be pushed to move and move away inside the second through hole 20 while the bidirectional threaded rod 17 rotates inside the inner threaded hole 18, the sealing of the second through hole 20 can be released through the away of the baffle plate 21, dry powder in the storage bin 6 can fall into the power distribution cabinet 5 to extinguish a fire, meanwhile, the dry powder can smoothly fall to the inner bottom of the power distribution cabinet 5 through the structural design of the H-shaped screen plate 3, the dry powder can bury the power distribution cabinet 5 to work, and the fire extinguishing efficiency is improved;

meanwhile, the hinged rod 25 can be driven to hinge and rotate by moving and opening the baffle plate 21, the slider 22 can be pushed to slide in the sliding groove 23 by the hinged movement of the hinged rod 25, so that the second sealing plate 24 can be pushed to hinge and rotate by the movement of the slider 22, the second sealing plate 24 and the third through hole 32 can be closed and operated, meanwhile, the stretching operation of the connecting rope 9 can be released by closing the second sealing plate 24, the fixing of the first sealing plate 8 can be released, then the first sealing plate 8 can be driven to rotate and move on the outer side of the arc-shaped limiting rod 12 by the elastic restoring force of the first spring 10, so that the first sealing plate 8 can close the first through hole 11, a closed space can be formed in the power distribution cabinet 5 by closing the first through hole 11 and the third through hole 32, and the spread of fire is effectively reduced;

through second gear 29 pivoted in, still can drive third gear 31 and dwang 28 and rotate simultaneously to make dwang 28 drive puddler 27 and rotate, can stir the inside dry powder of storehouse 6 through the rotation of puddler 27, with prevent that the dry powder too much reduces its falling speed, increase when putting out a fire.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. Waterproof, prevent high altitude high voltage electrical distribution cabinet of "cold bridge" effect, including base (1), its characterized in that: the heat insulation board (2) is arranged in the base (1), the auxiliary power distribution cabinets (7) are arranged on two sides of the top of the base (1), the power distribution cabinet (5) is arranged at the middle position of the top of the base (1), the power distribution cabinet (5) and the auxiliary power distribution cabinets (7) are symmetrically provided with H-shaped screen boards (3), the waterproof board (4) is arranged at the inner bottom of the power distribution cabinet (5), the first through holes (11) are arranged at the middle position and the bottom of two sides of the power distribution cabinet (5), the first sealing assemblies are arranged in two groups of the first through holes (11) on the same side, the third through holes (32) are arranged at the top of two sides of the power distribution cabinet (5), the second sealing assemblies are arranged in two groups of the third through holes (32), the covering assembly is arranged at the middle position of the top of the power distribution cabinet (5), and the pressing assembly is arranged on one side of the top of the power distribution cabinet (5), the middle position department at switch board (5) top is equipped with stores storehouse (6), the middle position department of storing bottom in storehouse (6) is equipped with drive assembly.

2. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: first seal assembly includes first closing plate (8), connects rope (9), first spring (10) and arc gag lever post (12), first closing plate (8) are equipped with four groups, four groups first closing plate (8) all articulate in the intermediate position department and the bottom of switch board (5) both sides and with first opening (11) looks adaptation, four groups the inside of first closing plate (8) all runs through and is equipped with arc gag lever post (12) that are connected with switch board (5), four groups the outside of arc gag lever post (12) all overlaps and is equipped with first spring (10) that are connected with first closing plate (8), and the homonymy is two sets of the bottom of first closing plate (8) is all connected and is equipped with and connects rope (9).

3. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: the second seal assembly comprises a sliding block (22), a sliding groove (23), a second seal plate (24) and a hinge rod (25), the second seal plate (24) is provided with two sets of second seal plates (24), the second seal plates (24) are located at the tops of two sides of the power distribution cabinet (5) and are matched with a third through hole (32), the bottoms of the two sets of second seal plates (24) are connected with a connecting rope (9), the second seal plates are two sets of the sliding groove (23) is arranged on one side, away from the second seal plate (24), of the second seal plates, the sliding block (22) is connected inside the sliding groove (23) in a sliding mode, and the sliding block (22) is two sets of the hinge rod (25) is hinged to one side, away from the sliding block (22).

4. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: the lid closes the subassembly and includes two-way threaded rod (17), internal thread hole (18), first gear (19), second opening (20) and baffle (21), second opening (20) are located switch board (5) interior top intermediate position department and are linked together with the inside of storing storehouse (6), the inside both sides of second opening (20) all are equipped with and extend to switch board (5) outside baffle (21), and baffle (21) and hinge bar (25) are articulated each other, and are two sets of baffle (21) are close to the intermediate position department of one side mutually and all are equipped with internal thread hole (18), and are two sets of the inside of internal thread hole (18) is equipped with two-way threaded rod (17) rather than the looks adaptation jointly, the intermediate position department in two-way threaded rod (17) outside is equipped with first gear (19).

5. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: the pressing assembly comprises a pressing switch (13), a second spring (14), a thermal fuse (15) and a pressing plate (16), the pressing switch (13) is located on one side of the top of the power distribution cabinet (5), the two sides of the bottom of the pressing switch (13) are both provided with the second spring (14) and are two sets of the bottom of the second spring (14) is jointly provided with the pressing plate (16), and the bottom of the pressing plate (16) is provided with the thermal fuse (15) connected with a group of H-shaped screen plates (3).

6. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: drive assembly includes U type mounting panel (26), puddler (27), dwang (28), second gear (29), servo motor (30) and third gear (31), U type mounting panel (26) are located the intermediate position department of storing storehouse (6) bottom, the inside top of U type mounting panel (26) is run through and is equipped with and stores dwang (28) that storehouse (6) link to each other, the intermediate position department in dwang (28) outside is equipped with third gear (31), the outside both sides of dwang (28) all are equipped with puddler (27), the bottom of U type mounting panel (26) one side is equipped with servo motor (30), the output of servo motor (30) is equipped with second gear (29) with third gear (31) and first gear (19) engaged with each other.

7. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: the top thread of the outer side of the storage bin (6) is connected with a bin cover matched with the top thread, and the top of the bin cover and the middle position of the outer side of the storage bin (6) are both provided with arc-shaped rain baffles.

8. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: two sets of the intermediate position department of auxiliary power distribution cabinet (7) both sides all is equipped with the ventilation otter board, and is two sets of the top of auxiliary power distribution cabinet (7) all is equipped with the hang plate that keeps off the rain board looks adaptation with the arc.

9. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: four corners department of storing storehouse (6) bottom all is equipped with the bracing piece, and bracing piece and switch board (5) interconnect.

10. The waterproof, high altitude high voltage electrical switch board of "cold bridge" effect of preventing of claim 1, characterized in that: the front one end of switch board (5) and auxiliary power distribution cabinet (7) all is equipped with the door, and the front one end of door all is equipped with the handle.