Ventilation and heat dissipation system for transformer substation

Abstract

The invention discloses a ventilation and heat dissipation system for a transformer substation, and relates to the technical field of transformer substation heat dissipation, the ventilation and heat dissipation system comprises a transformer substation box body and an auxiliary mechanism, the transformer substation box body is internally provided with a heat dissipation mechanism, the outer wall of the transformer substation box body is provided with a ventilation mechanism, the auxiliary mechanism comprises an annular pipeline, and the inner wall of the transformer substation box body is fixedly connected with a partition plate; the heat dissipation mechanism is inserted into the bottom end of the partition plate, the auxiliary mechanism is arranged below the heat dissipation mechanism, a plurality of connecting pipelines are fixedly inserted into the inner wall of the annular pipeline at intervals, and a liquid storage mechanism is arranged at the top end of the partition plate. Through the arrangement of the partition plate, the annular pipeline and the connecting pipeline and the cooperation of the liquid storage mechanism, cooling liquid in the liquid storage mechanism can flow into the annular pipeline and the connecting pipeline, then air blown out of the heat dissipation mechanism is aligned with the annular pipeline and the connecting pipeline, the temperature of the air blown out of the heat dissipation mechanism can be lower, and therefore the heat dissipation effect is improved; and stable work of the transformer substation is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of heat dissipation in transformer substations, and in particular to a ventilation and heat dissipation system for transformer substations. Background Art

[0002] A substation is a place in the power system where voltage and current are transformed, electric energy is received, and electric energy is distributed.

[0003] There are various power equipments installed inside the substation. The power equipments are powered on to ensure the stable operation of the substation. However, the power equipments will generate a lot of heat. It is necessary to ensure that the substation has good heat dissipation effect to make the substation work stably. However, the substation is a relatively closed box and can only dissipate heat through fan blade ventilation.

[0004] The fan blade ventilation method can only realize the circulation of external air and the air inside the substation, thereby achieving the heat dissipation effect. However, in the summer season, the outside temperature is high, which makes it difficult for the circulation of external air and the air inside the substation to achieve the heat dissipation effect. For this reason, we propose a ventilation and heat dissipation system for substations with better heat dissipation effect. Summary of the invention

[0005] The object of the present invention is to provide a ventilation and heat dissipation system for a substation to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a ventilation and heat dissipation system for a substation, comprising:

[0007] A transformer substation box, wherein a heat dissipation mechanism is provided inside the transformer substation box, and a ventilation mechanism is provided on the outer wall of the transformer substation box;

[0008] The auxiliary mechanism comprises an annular pipe, the inner wall of the substation box is fixedly connected with a partition, the heat dissipation mechanism is inserted and arranged at the bottom end of the partition, the auxiliary mechanism is arranged below the heat dissipation mechanism, the inner wall of the annular pipe is fixedly inserted and connected with a plurality of connecting pipes at intervals, and a liquid storage mechanism is arranged at the top of the partition.

[0009] Preferably, the heat dissipation mechanism includes fan blades, the bottom end of the partition is fixedly connected with a fixed tube, the fixed tube is arranged above the annular pipe, the fan blades are arranged inside the fixed tube, the top of the inner wall of the substation box is rotatably connected with a first rotating rod, the fan blades are sleeved on the outer wall of the first rotating rod, and a servo motor is installed at the top of the substation box, and the output end of the servo motor is transmission-connected to the top of the first rotating rod.

[0010] Preferably, the liquid storage mechanism includes a first water tank, the first water tank is fixedly connected to the top of the partition, the top of the partition is fixedly connected to the second water tank, a first connecting mechanism is arranged between the liquid storage mechanism and the annular pipe, and a second connecting mechanism is arranged between the first water tank and the second water tank.

[0011] Preferably, the first connecting mechanism includes a first liquid transfer pipe, which is inserted and arranged at the top of the partition, one end of the first liquid transfer pipe is fixedly inserted and connected with the bottom end of the first water tank, one end of the first liquid transfer pipe is fixedly inserted and connected with the outer wall of the annular pipe, and the top of the partition is fixedly inserted and connected with a second liquid transfer pipe, one end of the second liquid transfer pipe passes through the bottom end of the second water tank and extends to the top of the inner cavity of the second water tank, and the other end of the second liquid transfer pipe is fixedly inserted and connected with the outer wall of the annular pipe.

[0012] Preferably, the second connecting mechanism includes a liquid-passing hose, one end of which is fixedly and interlacedly connected to the outer wall of the first water tank, the other end of which passes through the outer wall of the second water tank and extends to the bottom of the inner cavity of the second water tank, and an extrusion mechanism is provided between the liquid-passing hose and the first rotating rod.

[0013] Preferably, the extrusion mechanism includes an extrusion block, which is fixedly connected to the top of the partition, and the front side of the extrusion block is arranged to fit the outer wall of the liquid hose. A turntable is fixedly sleeved on the outer wall of the first rotating rod, and a plurality of groups of fixed plates are fixedly connected to the outer wall of the turntable in a circular array, and the number of fixed plates in a group is two, and an extrusion roller is rotatably connected between the two fixed plates.

[0014] Preferably, the ventilation mechanism includes a first screen, an outer wall of the substation box is symmetrically provided with air inlets, the air inlets are arranged above the partition, the inner wall of the air inlet is installed with a first screen, and an air outlet is symmetrically provided at the bottom of the outer wall of the substation box, the inner wall of the air outlet is installed with a second screen, and a cleaning mechanism is arranged outside the first screen.

[0015] Preferably, the cleaning mechanism includes bristles, a connecting disk is fixedly connected to the middle of the first screen, a second rotating rod is rotatably and interlacedly connected to the middle of the connecting disk, a connecting plate is fixedly connected to the end of the second rotating rod, the bristles are arranged on the outer wall of the connecting plate, and a connecting mechanism is arranged between the second rotating rod and the connecting pipe.

[0016] Preferably, the connecting mechanism includes a third rotating rod, the top end of the partition is fixedly connected to the vertical plate, the third rotating rod is rotatably connected to one side of the vertical plate, one end of the third rotating rod is fixedly connected to the second bevel gear, the outer wall of the first rotating rod is fixedly sleeved with the first bevel gear, the outer wall of the first bevel gear is meshingly connected with the outer wall of the second bevel gear, and a docking mechanism is arranged between the other end of the third rotating rod and the second rotating rod.

[0017] Preferably, the docking mechanism includes a docking hole, which is opened at one end of the second rotating rod, and the third rotating rod is inserted into the inside of the docking hole. The end of the third rotating rod is symmetrically provided with movable holes, and the inner wall of the movable hole is movably inserted with a positioning rod, and the inner wall of the docking hole is symmetrically provided with positioning holes, the positioning rod is opposite to the positioning hole, and the inner wall of the movable hole is provided with a movable groove, and the inner wall of the movable groove is slidably connected with a limiting plate, the outer wall of the limiting plate is fixedly connected to the outer wall of the positioning rod, a spring is provided between the limiting plate and the inner wall of the movable groove, and the spring is sleeved on the outer wall of the positioning rod.

[0018] Technical effects and advantages of the present invention:

[0019] (1) The present invention utilizes the arrangement of a partition, an annular pipe and a connecting pipe, and through the cooperation of a liquid storage mechanism, allows the coolant in the liquid storage mechanism to flow into the annular pipe and the connecting pipe, and then the wind blown out by the heat dissipation mechanism is directed toward the annular pipe and the connecting pipe, so that the temperature of the wind blown out by the heat dissipation mechanism can be lower, thereby increasing the heat dissipation effect and ensuring the stable operation of the substation.

[0020] (2) The present invention utilizes the first connecting mechanism, the second connecting mechanism and the extrusion mechanism to enable the coolant in the first water tank and the second water tank to circulate stably, so that the auxiliary mechanism can work stably, thereby improving the stability of the auxiliary mechanism.

[0021] (3) The present invention utilizes the setting of the cleaning mechanism and the docking mechanism, so that when the first screen needs to be cleaned, the second gear switch can be turned on by the servo motor, so that the cleaning mechanism can work to clean the first screen, ensuring that the external air can stably pass through the first screen into the substation box, thereby improving the stability of the ventilation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0023] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention.

[0024] Figure 3 It is a schematic diagram of the side sectional structure of the partition of the present invention.

[0025] Figure 4 It is a schematic diagram of the top cross-sectional structure of the extrusion mechanism of the present invention.

[0026] Figure 5 It is a schematic diagram of the top structure of the turntable of the present invention.

[0027] Figure 6 It is a schematic diagram of the top structure of the annular pipeline of the present invention.

[0028] Figure 7 It is a schematic diagram of the side sectional structure of the cleaning mechanism of the present invention.

[0029] Figure 8 For the present invention Figure 7 Schematic diagram of the local enlarged structure at A.

[0030] In the figure: 101, transformer substation box; 201, partition; 202, annular pipe; 203, connecting pipe; 301, fixed pipe; 302, first rotating rod; 303, fan blade; 304, servo motor; 401, first water tank; 402, second water tank; 403, first liquid pipe; 404, second liquid pipe; 405, semiconductor cooling plate; 501, liquid hose; 502, extrusion block; 503, turntable; 504, fixed plate; 505, extrusion roller Wheel; 601, air inlet; 602, first screen; 603, air outlet; 604, second screen; 605, connecting plate; 606, second rotating rod; 607, connecting plate; 608, bristles; 609, third rotating rod; 610, vertical plate; 611, first bevel gear; 612, second bevel gear; 613, docking hole; 614, movable hole; 615, positioning rod; 616, positioning hole; 617, movable groove; 618, limit plate; 619, spring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The present invention provides Figure 1-8 A ventilation and heat dissipation system for a substation shown in the figure comprises a substation box 101 and an auxiliary mechanism. A heat dissipation mechanism is arranged inside the substation box 101, and a ventilation mechanism is arranged on the outer wall of the substation box 101. Through the cooperation of the heat dissipation mechanism and the ventilation mechanism, external air can be blown into the substation box 101, thereby discharging the hotter air inside the substation box 101, thereby achieving the effect of dissipating heat inside the substation box 101.

[0033] In a preferred embodiment, the auxiliary mechanism includes an annular pipe 202, the inner wall of the substation box 101 is fixedly connected with a partition 201, the heat dissipation mechanism is inserted and arranged at the bottom end of the partition 201, the auxiliary mechanism is arranged below the heat dissipation mechanism, and the inner wall of the annular pipe 202 is fixedly inserted and connected with multiple connecting pipes 203 at intervals. A liquid storage mechanism is arranged at the top of the partition 201. Through the cooperation of the liquid storage mechanism, the coolant in the liquid storage mechanism can flow into the annular pipe 202 and the connecting pipe 203, and then the wind blown out by the heat dissipation mechanism is aligned with the annular pipe 202 and the connecting pipe 203, so that the temperature of the wind blown out by the heat dissipation mechanism can be lower, thereby increasing the heat dissipation effect and ensuring the stable operation of the substation.

[0034] The heat dissipation mechanism includes a fan blade 303, a fixed tube 301 is fixedly inserted and connected at the bottom end of the partition 201, the fixed tube 301 is arranged above the annular pipe 202, the fan blade 303 is arranged inside the fixed tube 301, the top of the inner wall of the substation box 101 is rotatably connected with the first rotating rod 302, the fan blade 303 is sleeved on the outer wall of the first rotating rod 302, a servo motor 304 is installed at the top of the substation box 101, and the output end of the servo motor 304 is transmission-connected to the top of the first rotating rod 302, the ventilation mechanism includes a first screen 602, the outer wall of the substation box 101 is symmetrically provided with an air inlet 601, the air inlet 601 is arranged above the partition 201, the inner wall of the air inlet 601 is installed with a first screen 602, and the bottom of the outer wall of the substation box 101 is symmetrically provided with an air outlet 602. 03. A second screen 604 is installed on the inner wall of the air outlet 603, and a cleaning mechanism is arranged on the outside of the first screen 602. The servo motor 304 drives the first rotating rod 302 to rotate clockwise, so that the fan blade 303 can rotate clockwise, thereby generating wind force under the fan blade 303, and the entire air flow direction is to enter the substation box 101 through the two first screens 602, and then the air inside the substation box 101 is discharged through the two second screens 604. At the same time, through the cooperation of the partition 201, the heat generated by the servo motor 304 will not enter the inside of the substation box 101, and the low position setting of the second screen 604 makes it impossible for the cold air entering the substation box 101 to be discharged immediately through the second screen 604, thereby improving the heat dissipation effect.

[0035] The liquid storage mechanism includes a first water tank 401, which is fixedly connected to the top of the partition 201, and the top of the partition 201 is fixedly connected to the second water tank 402. A first connecting mechanism is provided between the liquid storage mechanism and the annular pipe 202, and a second connecting mechanism is provided between the first water tank 401 and the second water tank 402. The cooling liquid can be stored by the arrangement of the first water tank 401 and the second water tank 402, and the cooling liquid in the first water tank 401 and the second water tank 402 can be cooled by the arrangement of the semiconductor refrigeration sheet 405, thereby ensuring In order to realize the air cooling effect of the heat dissipation mechanism, the semiconductor refrigeration plate 405 and the servo motor 304 are electrically connected to the external power supply through an external switch, which is convenient for the operator to control the semiconductor refrigeration plate 405 and the servo motor 304, thereby improving the safety and convenience of the operation of the semiconductor refrigeration plate 405 and the servo motor 304. The coolant inside the first water tank 401 enters the annular pipe 202 and the connecting pipe 203 through the first connecting mechanism, and then enters the second water tank 402. The coolant in the second water tank 402 flows into the first water tank 401 through the second connecting mechanism.

[0036] Among them, the first connecting mechanism includes a first liquid-passing pipe 403, which is interspersed and arranged at the top of the partition 201, one end of the first liquid-passing pipe 403 is fixedly interspersed and connected with the bottom end of the first water tank 401, one end of the first liquid-passing pipe 403 is fixedly interspersed and connected with the outer wall of the annular pipe 202, and the top of the partition 201 is fixedly interspersed with a second liquid-passing pipe 404, one end of the second liquid-passing pipe 404 passes through the bottom end of the second water tank 402 and extends to the top of the inner cavity of the second water tank 402, and the other end of the second liquid-passing pipe 404 is fixedly interspersed and connected with the outer wall of the annular pipe 202, and the second connecting mechanism includes a liquid-passing hose 501, one end of the liquid-passing hose 501 is fixedly interspersed and connected with the outer wall of the first water tank 401, The other end of the liquid-passing hose 501 passes through the outer wall of the second water tank 402 and extends to the bottom of the inner cavity of the second water tank 402. An extrusion mechanism is arranged between the liquid-passing hose 501 and the first rotating rod 302. The coolant inside the first water tank 401 enters the annular pipe 202 and the connecting pipe 203 through the first liquid-passing pipe 403, and then enters the second water tank 402 through the second liquid-passing pipe 404, and then enters the first water tank 401 through the liquid-passing hose 501, thereby completing the circulation of the coolant. The second liquid-passing pipe 404 and the liquid-passing hose 501 are arranged inside the second water tank 402, so that the coolant can stay in the second water tank 402 for a longer time, and then be cooled by the operation of the semiconductor refrigeration plate 405.

[0037] Among them, the extrusion mechanism includes an extrusion block 502, which is fixedly connected to the top of the partition 201, and the front of the extrusion block 502 is arranged to fit the outer wall of the liquid hose 501. The outer wall of the first rotating rod 302 is fixedly sleeved with a turntable 503, and the outer wall of the turntable 503 is fixedly connected with multiple groups of fixed plates 504 in a circular array. The number of a group of fixed plates 504 is two, and an extrusion roller 505 is rotatably connected between the two fixed plates 504. When the connecting pipe 203 rotates clockwise, it will drive the turntable 503 to rotate clockwise, thereby causing the extrusion roller 505 to rotate. As the extrusion roller 505 rotates, the liquid hose 501 is continuously squeezed, so that the coolant in the second water tank 402 continuously flows into the first water tank 401.

[0038] Among them, the cleaning mechanism includes bristles 608, a connecting plate 605 is fixedly connected to the middle of the first screen 602, a second rotating rod 606 is rotatably and interlacedly connected to the middle of the connecting plate 605, and a connecting plate 607 is fixedly connected to the end of the second rotating rod 606. The bristles 608 are arranged on the outer wall of the connecting plate 607. A connecting mechanism is arranged between the second rotating rod 606 and the connecting pipe 203. The rotation of the second rotating rod 606 can drive the connecting plate 607 to rotate, and the rotation of the connecting plate 607 can drive the bristles 608 to rotate, so that the first screen 602 is cleaned by the rotating bristles 608.

[0039] The connection mechanism includes a third rotating rod 609, a top end of the partition plate 201 is fixedly connected to a vertical plate 610, the third rotating rod 609 is rotatably connected to one side of the vertical plate 610, one end of the third rotating rod 609 is fixedly connected to a second bevel gear 612, the outer wall of the first rotating rod 302 is fixedly sleeved with a first bevel gear 611, the outer wall of the first bevel gear 611 is meshed with the outer wall of the second bevel gear 612, and a docking mechanism is provided between the other end of the third rotating rod 609 and the second rotating rod 606, and the docking mechanism includes a docking hole 6 13, a docking hole 613 is provided at one end of the second rotating rod 606, a third rotating rod 609 is inserted in the docking hole 613, a movable hole 614 is symmetrically provided at the end of the third rotating rod 609, a positioning rod 615 is movably inserted in the inner wall of the movable hole 614, a positioning hole 616 is symmetrically provided in the inner wall of the docking hole 613, the positioning rod 615 is opposite to the positioning hole 616, a movable groove 617 is provided in the inner wall of the movable hole 614, a limit plate 618 is slidably connected to the inner wall of the movable groove 617, and the limit plate 618 is slidably connected to the inner wall of the movable groove 617. The outer wall of 8 is fixedly connected to the outer wall of the positioning rod 615, and a spring 619 is arranged between the limit plate 618 and the inner wall of the movable groove 617. The spring 619 is sleeved on the outer wall of the positioning rod 615. When the cleaning mechanism needs to work, the second gear switch of the servo motor 304 is turned on, so that the speed of the first rotating rod 302 increases, the first rotating rod 302 rotates to drive the first bevel gear 611 to rotate, the first bevel gear 611 rotates to drive the second bevel gear 612 to rotate, and the second bevel gear 612 rotates to drive the third rotating rod 609 to rotate The third rotating rod 609 rotates at a high speed, and the centrifugal force on the positioning rod 615 increases, so that the limit plate 618 moves to compress the spring 619, so that the positioning rod 615 moves until the positioning rod 615 is inserted into the positioning hole 616. At this time, the rotation of the third rotating rod 609 can drive the second rotating rod 606 to rotate, thereby driving the cleaning mechanism to work. However, when the servo motor 304 is in the first gear switch, the positioning rod 615 will not move, so that the cleaning mechanism will not work.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ventilation and heat dissipation system for a substation, characterized in that: include: A transformer substation box (101), wherein a heat dissipation mechanism is provided inside the transformer substation box (101), and a ventilation mechanism is provided on an outer wall of the transformer substation box (101); The auxiliary mechanism comprises an annular pipe (202), the inner wall of the transformer substation box (101) is fixedly connected with a partition (201), the heat dissipation mechanism is inserted and arranged at the bottom end of the partition (201), the auxiliary mechanism is arranged below the heat dissipation mechanism, the inner wall of the annular pipe (202) is fixedly inserted and connected with a plurality of connecting pipes (203) at intervals, and the top of the partition (201) is provided with a liquid storage mechanism.

2. A ventilation and heat dissipation system for a substation according to claim 1, characterized in that: The heat dissipation mechanism comprises a fan blade (303); a fixed tube (301) is fixedly inserted and connected to the bottom end of the partition (201); the fixed tube (301) is arranged above the annular pipe (202); the fan blade (303) is arranged inside the fixed tube (301); the top end of the inner wall of the transformer substation box (101) is rotatably connected to a first rotating rod (302); the fan blade (303) is sleeved on the outer wall of the first rotating rod (302); a servo motor (304) is installed at the top end of the transformer substation box (101); and the output end of the servo motor (304) is drivingly connected to the top end of the first rotating rod (302).

3. A ventilation and heat dissipation system for a substation according to claim 2, characterized in that: The liquid storage mechanism comprises a first water tank (401), the first water tank (401) is fixedly connected to the top of the partition (201), the top of the partition (201) is fixedly connected to the second water tank (402), a first connecting mechanism is arranged between the liquid storage mechanism and the annular pipe (202), and a second connecting mechanism is arranged between the first water tank (401) and the second water tank (402).

4. A ventilation and heat dissipation system for a substation according to claim 3, characterized in that: The first connecting mechanism comprises a first liquid-passing pipe (403), the first liquid-passing pipe (403) is inserted and arranged at the top end of the partition (201), one end of the first liquid-passing pipe (403) is fixedly inserted and connected with the bottom end of the first water tank (401), one end of the first liquid-passing pipe (403) is fixedly inserted and connected with the outer wall of the annular pipe (202), and the top end of the partition (201) is fixedly inserted and connected with a second liquid-passing pipe (404), one end of the second liquid-passing pipe (404) passes through the bottom end of the second water tank (402) and extends to the top of the inner cavity of the second water tank (402), and the other end of the second liquid-passing pipe (404) is fixedly inserted and connected with the outer wall of the annular pipe (202).

5. A ventilation and heat dissipation system for a substation according to claim 3, characterized in that: The second connecting mechanism comprises a liquid-passing hose (501), one end of which is fixedly connected to the outer wall of the first water tank (401) by insertion, and the other end of which passes through the outer wall of the second water tank (402) and extends to the bottom of the inner cavity of the second water tank (402). A squeezing mechanism is provided between the liquid-passing hose (501) and the first rotating rod (302).

6. A ventilation and heat dissipation system for a substation according to claim 5, characterized in that: The squeezing mechanism comprises a squeezing block (502), wherein the squeezing block (502) is fixedly connected to the top end of the partition (201), and the front side of the squeezing block (502) is arranged to fit the outer wall of the liquid-passing hose (501). A rotating disk (503) is fixedly sleeved on the outer wall of the first rotating rod (302), and the outer wall of the rotating disk (503) is fixedly connected to multiple groups of fixed plates (504) in a circular array, wherein the number of the fixed plates (504) in a group is two, and a squeezing roller (505) is rotatably connected between the two fixed plates (504).

7. A ventilation and heat dissipation system for a substation according to claim 2, characterized in that: The ventilation mechanism comprises a first sieve (602); an air inlet (601) is symmetrically provided on the outer wall of the transformer substation box (101); the air inlet (601) is arranged above the partition (201); the first sieve (602) is installed on the inner wall of the air inlet (601); an air outlet (603) is symmetrically provided at the bottom of the outer wall of the transformer substation box (101); a second sieve (604) is installed on the inner wall of the air outlet (603); and a cleaning mechanism is arranged outside the first sieve (602).

8. A ventilation and heat dissipation system for a substation according to claim 7, characterized in that: The cleaning mechanism comprises bristles (608), a connecting plate (605) is fixedly connected to the middle of the first screen (602), a second rotating rod (606) is rotatably connected to the middle of the connecting plate (605), a connecting plate (607) is fixedly connected to the end of the second rotating rod (606), and the bristles (608) are arranged on the outer wall of the connecting plate (607); a connecting mechanism is arranged between the second rotating rod (606) and the connecting pipe (203).

9. A ventilation and heat dissipation system for a substation according to claim 8, characterized in that: The connection mechanism comprises a third rotating rod (609), the top end of the partition (201) is fixedly connected to a vertical plate (610), the third rotating rod (609) is rotatably inserted and connected to one side of the vertical plate (610), one end of the third rotating rod (609) is fixedly connected to a second bevel gear (612), the outer wall of the first rotating rod (302) is fixedly sleeved with a first bevel gear (611), the outer wall of the first bevel gear (611) is meshingly connected with the outer wall of the second bevel gear (612), and a docking mechanism is provided between the other end of the third rotating rod (609) and the second rotating rod (606).

10. A ventilation and heat dissipation system for a substation according to claim 9, characterized in that: The docking mechanism comprises a docking hole (613), wherein the docking hole (613) is opened at one end of the second rotating rod (606), the third rotating rod (609) is inserted into the interior of the docking hole (613), the end of the third rotating rod (609) is symmetrically provided with a movable hole (614), the inner wall of the movable hole (614) is movably inserted with a positioning rod (615), the inner wall of the docking hole (613) is symmetrically provided with a positioning hole (616), the positioning rod (615) is located opposite to the positioning hole (616), the inner wall of the movable hole (614) is provided with a movable groove (617), the inner wall of the movable groove (617) is slidably connected to a limiting plate (618), the outer wall of the limiting plate (618) is fixedly connected to the outer wall of the positioning rod (615), a spring (619) is provided between the limiting plate (618) and the inner wall of the movable groove (617), and the spring (619) is sleeved on the outer wall of the positioning rod (615).

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