CN114678795B

CN114678795B - Heat dissipation structure and heat dissipation method of box-type substation

Info

Publication number: CN114678795B
Application number: CN202210451929.0A
Authority: CN
Inventors: 石嫄; 李峰; 周婉; 周琳; 戴雪琴
Original assignee: New Earn Electrical Technology Co ltd
Current assignee: New Earn Electrical Technology Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2023-01-17
Anticipated expiration: 2042-04-26
Also published as: CN114678795A

Abstract

The invention discloses a heat dissipation structure and a heat dissipation method of a box-type substation, and relates to the technical field of heat dissipation of box-type substations. The ventilation screen plate is convenient to replace and clean, the use is convenient, and the heat dissipation of the box body can be accelerated by adopting a convection heat dissipation mode at two sides.

Description

Heat dissipation structure and heat dissipation method of box-type substation

Technical Field

The invention relates to the technical field of box-type substation heat dissipation, in particular to a heat dissipation structure and a heat dissipation method of a box-type substation.

Background

The box-type substation is also called a pre-installed substation or a pre-installed substation. The transformer substation is a brand-new substation rising after civil engineering substations, and is especially suitable for urban network construction and transformation.

At present, the heat radiation structure that traditional box-type substation adopted generally dispels the heat at protection network of box both sides fixed mounting, and the radiating effect of this kind of radiating mode is not ideal enough to fixed mounting's mode is very troublesome when dismantling the change protection network, is unfavorable for the inside heat dissipation of transformer substation.

Disclosure of Invention

The invention aims to provide a heat dissipation structure and a heat dissipation method of a box-type substation, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a heat radiation structure of box-type substation, the power distribution box comprises a box body, the otter board is ventilated through the latch mechanism joint in both sides in the box, middle part fixed connection underframe in the box, install actuating mechanism in the underframe, actuating mechanism all installs complementary unit in the both sides, complementary unit and homonymy ventilation otter board are connected, latch mechanism is all installed to the last lower extreme of ventilation otter board, actuating mechanism through setting up drives complementary unit's use for complementary unit can assist the heat dissipation of ventilation otter board, improves the radiating efficiency of ventilation otter board.

The clamping mechanism comprises two first springs, the first springs are fixedly connected with the ventilation screen plate, one side of each first spring, which is far away from the ventilation screen plate, is fixedly connected with a gear clamping plate, the front part of each gear clamping plate is meshed with a first gear, two adjacent first gears are fixedly connected through a rotating rod, and one side of the rotating rod penetrates through the ventilation screen plate and is fixedly connected with a rotating handle.

The mode that the ventilation screen plate is fixed on the side wall of the box body through the gear clamping plate in the clamping mechanism enables the installation of the ventilation screen plate to be very convenient and fast, the installation can be completed under the condition that no tool is used, the installation efficiency of the ventilation screen plate is improved, and the ventilation screen plate is convenient to install and use.

In a further embodiment, actuating mechanism includes servo motor, servo motor passes through motor case and box fixed connection, servo motor output end fixed connection second gear, second gear and underframe rotate to be connected, second gear both sides all mesh third gear, third gear and underframe rotate to be connected, third gear upper end is close to second gear one side fixed connection movable plate, the movable plate is kept away from second gear one side upper end and is rotated and connect the vertical pole, homonymy third gear one side fixed connection installation pole is kept away from to the vertical pole upper end, the rotation of second gear and third gear is driven through servo motor among the actuating mechanism, make the installation pole can drive the dead lever and rotate, thereby drive the flabellum among the complementary unit and rotate and use, make the use of flabellum more convenient, further improve the air flow in the box, accelerate the thermal diffusion in the box.

In a further embodiment, complementary unit includes the dead lever, the dead lever is close to ventilation otter board one side fixed connection hob, the hob is kept away from homonymy dead lever one side threaded connection spiral pipe, spiral pipe and homonymy ventilation otter board rotate and are connected, hob one side middle part fixed connection flabellum is kept away from to the spiral pipe, be close to flabellum both sides equidistance fixed connection scraper blade on the spiral pipe, hob through among the complementary unit drives the spiral pipe and rotates, make the flabellum can be at ventilation otter board internal rotation, thereby make the circulation of air efficiency who accelerates two ventilation otter boards, make the heat in the box can give off fast, and the spiral pipe that sets up can also drive the scraper blade and rotate, make the ventilation otter board when using, the impurity of adhering to in the ventilation otter board can be struck off to the scraper blade, the use of convenient ventilation otter board.

In further embodiment, the dead lever is close to homonymy ventilation otter board one side middle part fixed connection second spring, and homonymy dead lever one side and ventilation otter board fixed connection are kept away from to the second spring, and the hob runs through the second spring, and the second spring structure of setting can be convenient for restoring of dead lever, makes things convenient for the hob to drive the rotation of spiral pipe to the use of the flabellum and the scraper blade of being convenient for.

In a further embodiment, the upper end fixed connection collects the frame in the box, collect frame both sides fixed connection ventilation frame, collect frame middle part lower extreme fixed connection fan, collect frame lower extreme both sides fixed connection sliding frame, sliding connection combs the frame in the sliding frame, carding frame both sides all install coupling mechanism, comb the frame and pass through coupling mechanism joint apron, collected frame and fan have been installed through the box upper end, the fan that makes can drive the air circulation flow in the box, make its further heat flow in the acceleration box, further improve the heat dissipation of box.

The connecting mechanism comprises a tension spring, the tension spring is fixedly connected with the outer wall of the carding frame, one side of the carding frame is far away from the tension spring, a press plate is fixedly connected with the middle of the press plate, which is close to one side of the same-side tension spring, and a push rod is fixedly connected with the middle of the inner wall of the carding frame and penetrates through the same-side tension spring.

In a further embodiment, apron upper end both sides middle part fixed connection picture peg, picture peg and fixture block joint, apron middle part sliding connection gag lever post, gag lever post lower extreme fixed connection regulation handle, the third spring of both sides fixed connection at apron middle part, the third spring is close to gag lever post one side fixed connection limiting plate, limiting plate and gag lever post sliding connection, and the convenience is spacing to the gag lever post, prevents to receive the influence of gravity and slides.

In a further embodiment, the fourth springs are fixedly connected in the two sides of the carding frame, the lower ends of the fourth springs are fixedly connected with the pressing plate, so that the plugboard and the carding frame can be separated conveniently when the cover plate is detached, and the plugboard can be ejected out of the carding frame under the action of the fourth springs, and the carding frame is very convenient.

Preferably, the heat dissipation method based on the heat dissipation structure of the box-type substation includes the following steps:

a1, rotating a rotating handle on a ventilation screen plate to enable the rotating handle to drive rotating rods on the same side to rotate, the rotating rods drive two first gears to rotate, the first gears on the same side can drive a gear clamping plate to move and enable the gear clamping plate to contract into the ventilation screen plate, meanwhile, the gear clamping plate extrudes a first spring to contract, the first gears are driven to move by the rotating handle in a mode of driving the first gears to rotate, and therefore the gear clamping plate fixes the ventilation screen plate on the side wall of a box body;

a2, moving the ventilation screen plate to enable the ventilation screen plate to be installed on the box body, and enabling one side face, connected with the auxiliary mechanism, of the ventilation screen plate to be located in the box body;

a3, then loosen the bull stick, make first spring recover to drive the gear cardboard and recover, make the gear cardboard expose from ventilating the otter board, thereby make the gear cardboard centre gripping box, the effect of the first spring of accessible makes the gear cardboard recover, makes the ventilation otter board can be quick be connected with the box and fix, very swift and convenient.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a heat dissipation structure and a heat dissipation method of a box-type substation, which can enable the installation and the disassembly of a ventilation screen plate to be very quick through structures such as a first gear, a gear clamping plate, a rotating handle and the like arranged on a clamping mechanism, thereby being convenient for replacing and cleaning the ventilation screen plate and being convenient for use.

Drawings

FIG. 1 is a cross-sectional view of a main body structure of the present invention;

FIG. 2 is a perspective sectional view of the main body of the present invention;

FIG. 3 is a sectional view showing a three-dimensional structure of a ventilation net plate according to the present invention;

FIG. 4 is a sectional view showing a three-dimensional structure of a cover plate according to the present invention;

FIG. 5 is a partial schematic view of the drive mechanism of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 1 at B in accordance with the present invention;

fig. 8 is an enlarged view of the structure at C in fig. 4 according to the present invention.

In the figure: 1. a box body; 2. a ventilation screen plate; 3. a clamping mechanism; 31. a first spring; 32. a gear clamping plate; 33. a first gear; 34. a rotating rod; 35. turning a handle; 4. a drive mechanism; 41. a servo motor; 42. a second gear; 43. a third gear; 44. moving the plate; 45. a vertical rod; 46. mounting a rod; 5. an auxiliary mechanism; 51. fixing the rod; 52. a screw rod; 53. a second spring; 54. a spiral tube; 55. a fan blade; 56. a squeegee; 6. a connecting mechanism; 61. a tension spring; 62. pressing a plate; 63. a push rod; 64. a clamping block; 7. a bottom frame; 8. a collection frame; 9. a ventilation frame; 10. a fan; 11. a sliding frame; 12. a carding frame; 13. a cover plate; 14. inserting plates; 15. a limiting rod; 16. an adjusting handle; 17. a third spring; 18. a limiting plate; 19. and a fourth spring.

Detailed Description

The following will clearly and completely describe the technical solutions 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. 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.

Example one

Please refer to fig. 1, fig. 2, fig. 3 and fig. 6, this embodiment provides a heat dissipation structure and a heat dissipation method for a box-type substation, which includes a box 1, two sides in the box 1 are connected with a ventilation screen 2 through a clamping mechanism 3, a bottom frame 7 is fixedly connected to the middle part in the box 1, a driving mechanism 4 is installed in the bottom frame 7, auxiliary mechanisms 5 are installed on two sides of the driving mechanism 4, the driving mechanism 4 is used for driving the auxiliary mechanisms 5, so that the auxiliary mechanisms 5 can assist in heat dissipation of the ventilation screen 2, the heat dissipation efficiency of the ventilation screen 2 is improved, the auxiliary mechanisms 5 are connected with the ventilation screen 2 on the same side, the clamping mechanism 3 is installed at the upper end and the lower end of the ventilation screen 2, the ventilation screen 2 adopts a mode that the clamping mechanism 3 is clamped with the box 1, so that the installation of the ventilation screen 2 becomes very fast, and the replacement and cleaning of the ventilation screen 2 are convenient.

In order to facilitate the installation of the ventilation screen plate 2, the clamping mechanism 3 comprises two first springs 31, the first springs 31 are fixedly connected with the ventilation screen plate 2, one side of each first spring 31, far away from the ventilation screen plate 2, is fixedly connected with a gear clamping plate 32, the front part of each gear clamping plate 32 is meshed with a first gear 33, two adjacent first gears 33 are fixedly connected through a rotating rod 34, and one side of each rotating rod 34 penetrates through a rotating handle 35 fixedly connected with the ventilation screen plate 2.

Rotate the commentaries on classics on the ventilation otter board 2 35, make to change 35 and drive the bull stick 34 rotation of homonymy, bull stick 34 drives two first gears 33 and rotates, the first gear 33 of homonymy can drive the removal of gear cardboard 32, and make the shrink of gear cardboard 32 get into in the ventilation otter board 2, gear cardboard 32 extrudees first spring 31 shrink simultaneously, then remove ventilation otter board 2, make ventilation otter board 2 install on box 1, and make ventilation otter board 2 be connected with 5 a side of complementary unit and be located box 1, then loosen bull stick 34, make first spring 31 recover, and drive gear cardboard 32 and recover, make gear cardboard 32 expose from ventilation otter board 2, thereby make gear cardboard 32 grasp box 1.

The mode that the ventilation screen plate 2 is fixed on the side wall of the box body 1 through the gear clamping plate 32 in the clamping mechanism 3 is used, so that the installation of the ventilation screen plate 2 is very convenient and fast, the installation can be completed under the condition of no tool, the installation efficiency of the ventilation screen plate 2 is improved, and the ventilation screen plate 2 is convenient to install and use.

Although the air flow in the box body 1 is accelerated by the bidirectional convection, the stuffy condition still occurs in the partial area in the box body 1, so that the upper end of the box body 1 is fixedly connected with a collection frame 8, two sides of the collection frame 8 are fixedly connected with ventilation frames 9, and the lower end of the middle part of the collection frame 8 is fixedly connected with a fan 10.

Fix two ventilation otter boards 2 at the mode of box 1 both sides wall, make it form the ventilation convection current to accelerate the circulation of air in the box 1, improve the radiating efficiency of box 1, and installed collection frame 8 and fan 10 again in box 1 upper end, the fan 10 that makes can drive the air circulation flow in the box 1, make its further heat flow in the acceleration box 1, further improve the heat dissipation of box 1.

Example two

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, a further improvement is made on the basis of embodiment 1:

in order to enhance the air flow of the box body 1 and improve the heat exchange efficiency and improve the ventilation efficiency of the ventilation screen plate 2, an auxiliary mechanism 5 is installed in the ventilation screen plate 2, the auxiliary mechanism 5 comprises a fixing rod 51, a spiral rod 52 is fixedly connected to one side, close to the ventilation screen plate 2, of the fixing rod 51, the spiral rod 52 is in threaded connection with a spiral pipe 54 to the side, away from the fixing rod 51, of the same side, the spiral pipe 54 is rotatably connected with the ventilation screen plate 2 on the same side, and a fan blade 55 is fixedly connected to the middle of one side, away from the spiral rod 52, of the spiral pipe 54.

When in actual use, actuating mechanism 4 drives dead lever 51 and is reciprocating motion, and dead lever 51 drives the hob 52 removal of one side for hob 52 drives hob 54 and rotates, and hob 54 will drive flabellum 55 above that and rotate, and the rotation of flabellum 55 can increase the flow of air, makes the ventilation convection effect of both sides ventilation otter board 2 better, accelerates the heat dissipation.

The spiral pipe 54 can be driven by the spiral rod 52 of the auxiliary mechanism 5 to rotate, so that the fan blades 55 can rotate in the ventilation screen plates 2, the air circulation efficiency of the two ventilation screen plates 2 is improved, and the heat in the box body 1 can be quickly dissipated.

In order to facilitate the restoration of the fixing rod 51, the spiral rod 52 can drive the spiral pipe 54 to rotate again, so that the middle of one side of the fixing rod 51 close to the same side ventilation screen 2 is fixedly connected with the second spring 53, one side of the second spring 53 far away from the same side fixing rod 51 is fixedly connected with the ventilation screen 2, and the spiral rod 52 penetrates through the second spring 53.

In practical use, after the fixing rod 51 drives the spiral rod 52 to enter the spiral tube 54, the fixing rod 51 will also press the second spring 53 to contract, and after the spiral rod 52 completely enters the spiral tube 54, the driving mechanism 4 drives the fixing rod 51 to do restoring movement, and the second spring 53 assists to push, so that the fixing rod 51 can be restored and reused.

In actual use, if the fixed rod 51 is pushed to move manually, the efficiency is very low, and a worker is required to be always located in the box-type substation, which is obviously very strenuous, the driving mechanism 4 comprises a servo motor 41, the servo motor 41 is fixedly connected with the box body 1 through a motor box, the output end of the servo motor 41 is fixedly connected with a second gear 42, the second gear 42 is rotatably connected with the bottom frame 7, the two sides of the second gear 42 are respectively engaged with a third gear 43, the third gear 43 is rotatably connected with the bottom frame 7, the upper end of the third gear 43 is close to one side of the second gear 42 to be fixedly connected with a movable plate 44, the upper end of one side of the movable plate 44, far away from the second gear 42, is rotatably connected with a vertical rod 45, and the upper end of the vertical rod 45, far away from one side of the same side of the third gear 43, is fixedly connected with an installation rod 46.

The servo motor 41 can be started, so that the servo motor 41 drives the second gear 42 to rotate, the second gear 42 drives the two third gears 43 to rotate, the third gears 43 drive the moving plate 44 thereon to reciprocate, the moving plate 44 drives the vertical rod 45 to move, and the vertical rod 45 drives the mounting rod 46 to move.

The servo motor 41 in the driving mechanism 4 drives the second gear 42 and the third gear 43 to rotate, so that the mounting rod 46 can drive the fixing rod 51 to rotate, the fan blade 55 in the auxiliary mechanism 5 is driven to rotate for use, the fan blade 55 is more convenient to use, the air in the box body 1 is further improved to flow, and the heat in the box body 1 is accelerated to be dissipated.

EXAMPLE III

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, a further improvement is made on the basis of embodiment 2:

traditional radiator-grid or heating panel are under long-term the use, often can adhere to more dust on the mesh, if not clear up it, can make the dust block up the mesh, thereby reduce the flow efficiency of air, and the cleaning means of dismantlement, it is very troublesome, be unfavorable for heat radiation structure's use, complementary unit 5 includes dead lever 51, dead lever 51 is close to ventilation otter board 2 one side fixed connection hob 52, hob 52 keeps away from homonymy dead lever 51 one side threaded connection spiral pipe 54, spiral pipe 54 and homonymy ventilation otter board 2 rotate to be connected, be close to flabellum 55 both sides equidistance fixed connection scraper blade 56 on the spiral pipe 54.

When the ventilating screen plate 2 is used, the driving mechanism 4 drives the fixing rod 51 to do reciprocating motion, the fixing rod 51 drives the spiral rod 52 on one side to move, the spiral rod 52 drives the spiral pipe 54 to rotate, the spiral pipe 54 drives the scraper 56 on the spiral pipe to rotate, the scraper 56 scrapes off dust attached to the inner wall, meshes are prevented from being blocked, and the ventilating screen plate 2 keeps a good radiating effect.

The spiral pipe 54 is driven to rotate by the spiral rod 52 in the auxiliary mechanism 5, so that the spiral pipe 54 drives the scraper 56 to clean the inner wall of the ventilation screen plate 2, dust attached to the inner wall of the ventilation screen plate 2 is scraped off, meshes are prevented from being blocked by the dust, and the ventilation screen plate 2 can keep good air circulation for a long time.

Example four

Referring to fig. 1, fig. 2, fig. 4, fig. 7 and fig. 8, a further improvement is made on the basis of embodiment 3:

there is not better structure of combing the connecting wire in traditional box-type substation, generally directly carry out the auxiliary fixation with the connecting wire through sticky tape or couple, this kind of mode of combing the fixed is very insecure, the phenomenon of separation appears very easily, collect smooth frame 11 of 8 lower extreme both sides fixed connection of frame, sliding connection combs frame 12 in smooth frame 11, combing frame 12 both sides and all installing coupling mechanism 6, comb frame 12 and pass through coupling mechanism 6 joint apron 13, coupling mechanism 6 includes extension spring 61, extension spring 61 and the outer wall fixed connection who combs frame 12, extension spring 61 keeps away from combs frame 12 one side fixed connection and presses board 62, it is close to homonymy extension spring 61 one side middle part fixed connection push rod 63 to press board 62, push rod 63 runs through homonymy extension spring 61 and combs frame 12 inner wall fixed connection fixture block 64.

When the carding machine is used for carding, a connecting wire can firstly penetrate through the lower end of the carding frame 12, then the two inserting plates 14 of the cover plate 13 are inserted into the carding frame 12 on the same side, in the process that the inserting plates 14 enter, the inserting plates 14 extrude the fourth spring 19 to contract, and push the fixture block 64 on one side to move, so that the fixture block 64 drives the push rod 63 to move, and drives the tension spring 61 to extend, after the inserting plates 14 completely enter the carding frame 12, the tension spring 61 drives the push rod 63 to recover, and the push rod 63 drives the fixture block 64 to recover, so that the fixture block 64 is clamped with the inserting plates 14, and the connecting wire is fixed in the carding frame 12 to play a role in carding.

In order to comb longer connecting wires and effectively fix and sort the longer connecting wires, the middle parts of the two sides of the upper end of the cover plate 13 are fixedly connected with the inserting plates 14, the inserting plates 14 are clamped with the clamping blocks 64, the middle part of the cover plate 13 is slidably connected with the limiting rod 15, the lower end of the limiting rod 15 is fixedly connected with the adjusting handle 16, the two sides of the middle part of the cover plate 13 are fixedly connected with the third springs 17, one side of the third spring 17, which is close to the limiting rod 15, is fixedly connected with the limiting plate 18, and the limiting plate 18 is slidably connected with the limiting rod 15.

When the connecting wire to be combed is long, the connecting wire can be coiled into a ring, then the connecting wire which is coiled into the ring is fixed in the combing frame 12 according to the same direction, then the adjusting handle 16 can be pushed, the adjusting handle 16 drives the limiting rod 15 to move, the limiting rod 15 is contacted with the inner wall of the combing frame 12, meanwhile, the limiting rod 15 also penetrates through the connecting wire which is coiled into the ring, and the limiting rod 15 is fixed on the ring, so that the combing effect is achieved.

Carding frame 12 both sides interior equal fixed connection fourth spring 19, fourth spring 19 lower extreme fixed connection clamp plate for apron 13 when dismantling, can use fourth spring 19 to drive picture peg 14 and recover, thereby make picture peg 14 can pop out carding frame 12, make things convenient for the dismantlement of apron 13.

Through the coupling mechanism 6 that sets up in carding frame 12 for apron 13 can be quick be connected with carding frame 12, thereby use carding frame 12 and apron 13 to comb the connecting wire, make things convenient for the maintenance of connecting wire, and the gag lever post 15 isotructure that sets up again on apron 13 makes carding frame 12 and apron 13 also can comb and fix longer connecting wire, makes things convenient for the carding of the connecting wire of different length.

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

1. The utility model provides a heat radiation structure of box-type substation, includes box (1), its characterized in that: the ventilation net plate is characterized in that the two sides of the box body (1) are connected with the ventilation net plate (2) in a clamping mode through clamping mechanisms (3), the middle in the box body (1) is fixedly connected with a bottom frame (7), driving mechanisms (4) are installed in the bottom frame (7), auxiliary mechanisms (5) are installed on the two sides of each driving mechanism (4), the auxiliary mechanisms (5) are connected with the ventilation net plate (2) on the same side, and the clamping mechanisms (3) are installed at the upper end and the lower end of the ventilation net plate (2);

the clamping mechanism (3) comprises two first springs (31), the first springs (31) are fixedly connected with the ventilation screen (2), one side, far away from the ventilation screen (2), of each first spring (31) is fixedly connected with a gear clamping plate (32), the front portion of each gear clamping plate (32) is meshed with a first gear (33), two adjacent first gears (33) are fixedly connected through a rotating rod (34), and one side of each rotating rod (34) penetrates through the ventilation screen (2) and is fixedly connected with a rotating handle (35);

the driving mechanism (4) comprises a servo motor (41), the servo motor (41) is fixedly connected with the box body (1) through a motor box, the output end of the servo motor (41) is fixedly connected with a second gear (42), the second gear (42) is rotatably connected with the bottom frame (7), two sides of the second gear (42) are meshed with third gears (43), the third gears (43) are rotatably connected with the bottom frame (7), the upper end of the third gear (43) is close to one side of the second gear (42) and is fixedly connected with a movable plate (44), the upper end of one side, far away from the second gear (42), of the movable plate (44) is rotatably connected with a vertical rod (45), and one side, far away from the third gear (43) on the same side, of the upper end of the vertical rod (45) is fixedly connected with a mounting rod (46);

complementary unit (5) include dead lever (51), dead lever (51) are close to ventilation otter board (2) one side fixed connection hob (52), same side dead lever (51) one side threaded connection spiral pipe (54) are kept away from in hob (52), spiral pipe (54) and same side ventilation otter board (2) rotate and connect, hob (52) one side middle part fixed connection flabellum (55) are kept away from in spiral pipe (54), be close to flabellum (55) both sides equidistance fixed connection scraper blade (56) on spiral pipe (54).

2. The heat dissipation structure of a box-type substation according to claim 1, characterized in that: the middle part of one side of the fixing rod (51) close to the ventilation screen plate (2) on the same side is fixedly connected with a second spring (53), one side of the second spring (53) far away from the fixing rod (51) on the same side is fixedly connected with the ventilation screen plate (2), and the screw rod (52) penetrates through the second spring (53).

3. The heat dissipation structure of a box-type substation according to claim 1, characterized in that: the upper end in the box body (1) is fixedly connected with a collecting frame (8), two sides of the collecting frame (8) are fixedly connected with ventilating frames (9), the lower end in the middle of the collecting frame (8) is fixedly connected with a fan (10), two sides of the lower end of the collecting frame (8) are fixedly connected with sliding frames (11), the sliding frames (11) are connected with carding frames (12) in a sliding mode, two sides of each carding frame (12) are provided with connecting mechanisms (6), and the carding frames (12) are clamped with cover plates (13) through the connecting mechanisms (6);

coupling mechanism (6) are including extension spring (61), extension spring (61) and the outer wall fixed connection who combs frame (12), extension spring (61) are kept away from and are combed frame (12) one side fixed connection and press board (62), it is close to homonymy extension spring (61) one side middle part fixed connection push rod (63) to press board (62), push rod (63) run through homonymy extension spring (61) and comb frame (12) inner wall fixed connection fixture block (64).

4. The heat dissipation structure of a box-type substation according to claim 3, characterized in that: apron (13) upper end both sides middle part fixed connection picture peg (14), picture peg (14) and fixture block (64) joint, apron (13) middle part sliding connection gag lever post (15), gag lever post (15) lower extreme fixed connection is adjusted (16), both sides fixed connection third spring (17) at apron (13) middle part, third spring (17) are close to gag lever post (15) one side fixed connection limiting plate (18), limiting plate (18) and gag lever post (15) sliding connection.

5. The heat dissipation structure of a box-type substation according to claim 3, characterized in that: and fourth springs (19) are fixedly connected in two sides of the carding frame (12), and the lower ends of the fourth springs (19) are fixedly connected with a pressing plate.

6. A heat dissipation method of a heat dissipation structure of a box-type substation, which employs the heat dissipation structure of a box-type substation of claim 1, is characterized by comprising the steps of:

a1, rotating a rotating handle (35) on a ventilation screen plate (2), so that the rotating handle (35) drives a rotating rod (34) on the same side to rotate, the rotating rod (34) drives two first gears (33) to rotate, the first gears (33) on the same side can drive a gear clamping plate (32) to move, the gear clamping plate (32) is contracted to enter the ventilation screen plate (2), and meanwhile the gear clamping plate (32) extrudes a first spring (31) to contract;

a2, moving the ventilation screen plate (2), so that the ventilation screen plate (2) is installed on the box body (1), and one side surface of the ventilation screen plate (2) connected with an auxiliary mechanism (5) is positioned in the box body (1);

a3, then loosening the rotating rod (34), restoring the first spring (31) and driving the gear clamping plate (32) to restore, exposing the gear clamping plate (32) from the ventilation screen plate (2), and clamping the box body (1) by the gear clamping plate (32).