CN118157004A

CN118157004A - Electric power cabinet

Info

Publication number: CN118157004A
Application number: CN202410369676.1A
Authority: CN
Inventors: 马利正; 高伟超; 刘军; 李松; 罗金彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-03-28
Filing date: 2024-03-28
Publication date: 2024-06-07

Abstract

The invention relates to the technical field of power cabinets, in particular to a power cabinet, which comprises: the cabinet body is internally and fixedly provided with a first fan frame and a second fan frame which are symmetrically arranged; the first fan blades are circumferentially distributed in the first fan frame at equal intervals, a driving mechanism connected with the first fan blades and the first fan frame is arranged in the cabinet body, and the driving mechanism can drive the first fan blades to rotate; further comprises: the heat conduction pipe is fixedly arranged in the cabinet body and connected with the driving mechanism, and a temperature regulating mechanism connected with the heat conduction pipe and the driving mechanism is arranged in the cabinet body; the trigger mechanism is arranged in the cabinet body and connected with the driving mechanism and the temperature regulating mechanism, the cabinet body is also internally provided with a driven component connected with the trigger mechanism and the driving mechanism, and the driven component is connected with a plurality of second fan blades which are arranged in the second fan frame and distributed at equal intervals in circumference.

Description

Electric power cabinet

Technical Field

The invention relates to the technical field of power cabinets, in particular to a power cabinet.

Background

In life, electrical appliances are continuously increased, many manual labor is replaced by electronic equipment, and the stability of electric power is guaranteed by qualified equipment, so that the electronic equipment is generally integrated in an electric power cabinet.

In this regard, china has disclosed a patent publication No. CN113572033A, which proposes a safety system for an indoor electric power cabinet in which electric power equipment is provided; the equipment temperature monitoring device is positioned in the power equipment and is used for monitoring the temperature in the power equipment; the temperature monitoring equipment in the cabinet is positioned in the power cabinet and used for monitoring the temperature in the power cabinet; the external temperature monitoring equipment is positioned outside the electric power cabinet and is used for monitoring the external temperature of the electric power cabinet; the current monitoring device is connected with the power equipment and is arranged in the power cabinet and used for monitoring the current of the power equipment; the cooling device in the cabinet is positioned in the electric cabinet and used for reducing the temperature in the cabinet; the external cooling device is positioned outside the electric power cabinet and used for reducing the external temperature of the cabinet; the control device is arranged on the electric power cabinet and is in wireless connection with the display terminal, however, in the actual use process, as the cooling power of the cabinet body cooling device is unchanged, the cooling effect can not be adjusted according to the self-adaption of the temperature in the cabinet body, and the problem that the cooling effect is poor or the energy waste is caused by overhigh output power can be possibly caused.

Disclosure of Invention

The invention aims to provide an electric cabinet for solving the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

an electrical cabinet, comprising:

The cabinet body is internally and fixedly provided with a first fan frame and a second fan frame which are symmetrically arranged;

The first fan blades are circumferentially distributed in the first fan frame at equal intervals, a driving mechanism connected with the first fan blades and the first fan frame is arranged in the cabinet body, and the driving mechanism can drive the first fan blades to rotate;

Characterized by further comprising:

the heat conduction pipe is fixedly arranged in the cabinet body and is connected with the driving mechanism, a temperature regulating mechanism connected with the heat conduction pipe and the driving mechanism is arranged in the cabinet body, and the temperature regulating mechanism can act when the temperature in the cabinet body rises and regulates the rotating speed of the first fan blade through the driving mechanism;

the trigger mechanism is arranged in the cabinet body and connected with the driving mechanism and the temperature regulating mechanism, the cabinet body is also internally provided with a driven component connected with the trigger mechanism and the driving mechanism, the driven component is connected with a plurality of second fan blades which are arranged in the second fan frame and distributed at equal intervals in circumference, the trigger mechanism can act when the temperature regulating mechanism moves, and when the first fan blade reaches the maximum rotating speed, the second fan blade is controlled to synchronously rotate by the driven component.

As a further scheme of the invention: the driving mechanism comprises a motor fixedly installed in the cabinet body, a transmission rod connected with an output shaft of the motor is rotatably installed in the cabinet body, a first belt is sleeved on the transmission rod, a rotating assembly connected with the first belt and the heat conducting pipe is arranged in the cabinet body, and the rotating assembly is connected with the temperature regulating mechanism, the first fan blade and the triggering mechanism.

As still further aspects of the invention: the rotating assembly comprises a rotating sleeve which is rotatably arranged on the heat-conducting pipe and penetrates through the first fan frame, a turntable is fixed on the rotating sleeve, and a plurality of sliding grooves which are distributed at equal intervals in circumference are formed in the turntable;

The rotating assembly comprises a sliding rod which is slidably mounted in the sliding groove, an arc-shaped plate is fixed at one end, far away from the sliding groove, of the sliding rod, the arc-shaped plate is connected with the first belt, the sliding rod is connected with the temperature regulating mechanism, and the rotating sleeve is connected with the triggering mechanism.

As still further aspects of the invention: the temperature regulating mechanism comprises a piston movably mounted in the heat conducting pipe, a movable rod penetrating through the heat conducting pipe is rotatably mounted at one end of the first fan frame, a supporting component connected with the movable rod is arranged in the cabinet body, the supporting component is connected with the sliding rod and the triggering mechanism, and the movable rod is movably connected with the rotating sleeve.

As still further aspects of the invention: the support assembly comprises a through groove formed in the side wall of the rotating sleeve, one end of the movable rod, which is far away from the piston, is fixedly provided with a movable ring which penetrates through the through groove and is sleeved on the rotating sleeve, the movable ring is hinged with a plurality of connecting rods which are distributed at equal intervals in circumference, the connecting rods are hinged with the sliding rod, and the movable ring is connected with the triggering mechanism.

As still further aspects of the invention: the triggering mechanism comprises limit grooves which are symmetrically arranged on the outer wall of the rotating sleeve, a limit ring which is in sliding connection with the limit grooves is movably arranged on the rotating sleeve, and a fixing ring is fixed on the rotating sleeve;

The triggering mechanism further comprises a spring I which is sleeved on the rotating sleeve, two ends of the spring I are respectively abutted to the fixed ring and the limiting ring, an elastic component connected with the limiting ring and the rotating sleeve is arranged in the cabinet body, the elastic component is connected with the driven component, and the limiting ring is matched with the movable ring.

As still further aspects of the invention: the elastic component is including fixed mounting fixed sleeve that just is the symmetry setting on the spacing ring, the draw-in groove has been seted up to fixed sleeve outer wall, fixed sleeve internal fixation has No. two springs, the cabinet internal be provided with fixed sleeve with limit structure that the draw-in groove is connected, limit structure with rotate the sleeve with driven component connects.

As still further aspects of the invention: the limiting structure comprises a limiting rod movably mounted in the fixed sleeve and abutted to the second spring, a protrusion penetrating through the clamping groove is fixed on the limiting rod, a movable belt wheel is movably mounted on the rotating sleeve, the movable belt wheel faces towards one end of the limiting ring, and a limiting hole is formed in the end, opposite to the limiting rod, of the limiting rod.

As still further aspects of the invention: the driven component comprises a rotating rod which is rotatably arranged on the second fan frame, a fixed belt wheel is fixed on the rotating rod, a second belt which is connected with the movable belt wheel is sleeved on the fixed belt wheel, and the rotating rod is fixedly connected with the second fan blade.

Compared with the prior art, the application has the beneficial effects that: according to the application, the heat dissipation efficiency can be adaptively adjusted according to the temperature change in the cabinet body, the temperature in the cabinet body is ensured to be kept in a certain range, the first fan blade is controlled to rotate under the action of the driving mechanism so as to conduct heat dissipation treatment on the cabinet body, if the current flowing through the parts is increased, the temperature in the cabinet body is increased, the temperature regulating mechanism is enabled to move under the action of the temperature, so that the driving mechanism is driven to move, the rotating speed of the first fan blade is enabled to increase, the air circulation rate in the cabinet body is accelerated, the heat dissipation efficiency is enabled to increase, if the temperature in the cabinet body is continuously increased, the temperature regulating mechanism is enabled to drive the triggering mechanism to move, and after the rotating speed of the first fan blade reaches the maximum, the driven component is controlled to move, so that the second fan blade is enabled to rotate, and the heat dissipation effect on the cabinet body is continuously increased on the premise that the normal operation of the first fan blade is ensured.

Drawings

Fig. 1 is a schematic diagram of an embodiment of a power cabinet.

Fig. 2 is a schematic diagram of a first semi-cut-away configuration of an embodiment of a power cabinet.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic diagram of a second semi-cut-away configuration of an embodiment of a power cabinet.

Fig. 5 is a schematic diagram of connection relationships among a driving mechanism, a part of a temperature control mechanism, and a part of a triggering mechanism in an embodiment of the power cabinet.

Fig. 6 is a schematic diagram of a partially semi-sectioned structure of an embodiment of a power cabinet.

Fig. 7 is a schematic diagram of connection relationships among a part of the driving mechanism, the temperature regulating mechanism and a part of the triggering mechanism in an embodiment of the electric cabinet.

Fig. 8 is a schematic diagram of an explosion structure of a part of the driving mechanism, the temperature regulating mechanism and a part of the triggering mechanism in an embodiment of the electric cabinet.

Fig. 9 is a schematic diagram of an exploded structure of a part of the driving mechanism and a part of the triggering mechanism in an embodiment of the electric cabinet.

In the figure: 1. a cabinet body; 2. a motor; 3. a transmission rod; 4. a first belt; 5. a heat conduction pipe; 6. a piston; 7. a movable rod; 8. rotating the sleeve; 9. a turntable; 10. a chute; 11. a slide bar; 12. an arc-shaped plate; 13. a through groove; 14. a movable ring; 15. a connecting rod; 16. a limit groove; 17. a limiting ring; 18. a first spring; 19. a fixing ring; 20. a fixed sleeve; 21. a clamping groove; 22. a second spring; 23. a limit rod; 24. a protrusion; 25. a first fan frame; 26. a first fan blade; 27. a movable belt wheel; 28. a limiting hole; 29. a second fan frame; 30. a rotating lever; 31. a fixed belt wheel; 32. a second belt; 33. and No. two fan blades.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 9, in an embodiment of the present invention, an electric power cabinet includes:

the cabinet body 1 is internally and fixedly provided with a first fan frame 25 and a second fan frame 29 which are symmetrically arranged;

Referring to fig. 1, 4-8, a first fan blade 26 is circumferentially and equidistantly distributed in the first fan frame 25, a driving mechanism connected with the first fan blade 26 and the first fan frame 25 is arranged in the cabinet body 1, the driving mechanism can drive the first fan blade 26 to rotate, the driving mechanism comprises a motor 2 fixedly installed in the cabinet body 1, a transmission rod 3 connected with an output shaft of the motor 2 is rotatably installed in the cabinet body 1, a first belt 4 is sleeved on the transmission rod 3, a rotating assembly connected with the first belt 4and the heat conducting tube 5 is arranged in the cabinet body 1, and the rotating assembly is connected with the temperature regulating mechanism, the first fan blade 26 and the triggering mechanism, wherein the rotating assembly comprises a rotating sleeve 8 rotatably installed on the heat conducting tube 5 and penetrating through the first fan frame 25, a turntable 9 is fixedly installed on the rotating sleeve 8, and a plurality of sliding grooves 10 which are circumferentially and equidistantly distributed are formed in the turntable 9; the rotating assembly comprises a sliding rod 11 which is slidably mounted in the sliding groove 10, an arc-shaped plate 12 is fixed at one end, far away from the sliding groove 10, of the sliding rod 11, the arc-shaped plate 12 is connected with the first belt 4, the sliding rod 11 is connected with the temperature regulating mechanism, and the rotating sleeve 8 is connected with the triggering mechanism.

In detail, since each part in the electric cabinet can generate heat during operation, resulting in temperature rise in the electric cabinet, if the temperature in the cabinet is continuously raised, the part in the cabinet can be possibly damaged, therefore, the cabinet 1 needs to be cooled, the first belt 4 has certain elasticity, can stretch or shrink in a certain range, in an initial state, the temperature in the cabinet 1 is lower, at this moment, the sliding rod 11 is located at the end of travel far away from the direction of the sliding groove 10, the interval between the arc plates 12 is the largest, the first belt 4 is in a stretched state, the transmission rod 3 rotates for a plurality of circles, the rotary table 9 can rotate for one circle, when the cabinet 1 needs to be cooled, at this moment, the motor 2 works, the transmission rod 3 is driven to rotate, thereby the arc plates 12 are driven to move through the first belt 4, the sliding rod 11 is driven to move, the rotary table 9 provided with the sliding groove 10 is driven to rotate the rotary sleeve 8, thereby the first fan blades 26 are driven to rotate, external air enters the cabinet 1, and heat in the cabinet 1 is discharged under the action of air circulation.

Preferably, if the fan speed provided by the fan blade 26 is low, the temperature in the cabinet body 1 may be continuously increased, so that the rotation speed of the fan blade 26 needs to be increased to increase the air circulation speed, when the temperature in the cabinet body 1 is increased, the temperature adjusting mechanism is controlled to move, so that the sliding rod 11 slides towards the sliding groove 10, the space between the arc plates 12 is reduced, the first belt 4 is contracted, the rotation speed of the turntable 9 is increased due to the unchanged rotation speed of the transmission rod 3, the rotation speed of the fan blade 26 is increased through the rotating sleeve 8, and at the moment, the air circulation speed is increased, thereby enhancing the heat dissipation effect on the cabinet body 1.

Further comprises:

Referring to fig. 4-9, the heat conducting pipe 5 is fixedly installed in the cabinet body 1 and is connected with the driving mechanism, a temperature regulating mechanism connected with the heat conducting pipe 5 and the driving mechanism is arranged in the cabinet body 1, the temperature regulating mechanism can act when the temperature in the cabinet body 1 rises and adjusts the rotating speed of the first fan blade 26 through the driving mechanism, the temperature regulating mechanism comprises a piston 6 movably installed in the heat conducting pipe 5, a movable rod 7 penetrating through the heat conducting pipe 5 is rotatably installed at one end of the piston 6 towards the first fan frame 25, a supporting component connected with the movable rod 7 is arranged in the cabinet body 1 and is connected with the sliding rod 11 and the triggering mechanism, the movable rod 7 is movably connected with the rotating sleeve 8, the supporting component comprises a through groove 13 formed in the side wall of the rotating sleeve 8, one end of the movable rod 7, which is far away from the piston 6, is fixedly provided with a connecting rod 14 penetrating through the through groove 13 and sleeved on the rotating sleeve 8, the connecting rod 14 is provided with a plurality of connecting rods 15 which are distributed on the circumference of the rotating sleeve 8, and the connecting rod 15 is in equal distance.

It should be noted that, the heat-conducting tube 5 is made of a heat-conducting material, the internal and external temperatures of the heat-conducting tube 5 are kept consistent, the heat-conducting tube 5 is filled with gas, the expansion coefficient of the gas is larger than that of air, in the initial state, the temperature in the cabinet body 1 is lower, the piston 6 is located at the end of the travel far away from the direction of the rotary table 9, when the temperature in the cabinet body 1 rises, the heat dissipation efficiency needs to be enhanced, at this moment, the gas in the heat-conducting tube 5 expands, under the action of air pressure, the piston 6 is pushed to move towards the direction of the rotary table 9, and the movable rod 7 is driven to move, the movable ring 14 is driven to move along the length direction of the through groove 13, the movable rod 7 drives the sliding rod 11 to slide towards the inside of the chute 10 through the connecting rod 15, so that the interval between the arc plates 12 is shortened, thereby increasing the rotation speed of the first fan blade 26, if the temperature in the cabinet body 1 is still increased, the travel of the piston 6 is continuously increased until the temperature in the cabinet body 1 is no longer increased or reduced, when the temperature in the cabinet body 1 is reduced, the temperature in the cabinet body 5 is pushed to move towards the direction of the rotary table 9, the initial position of the heat-conducting tube 6 is controlled, and the load is reduced, accordingly, the load is adjusted, and the load is adjusted, according to the initial change of the temperature in the cabinet is ensured, and the temperature is controlled, and the temperature in the cabinet.

Referring to fig. 2-7 and 9, a triggering mechanism is disposed in the cabinet body 1 and connected with the driving mechanism and the temperature regulating mechanism, the triggering mechanism includes a limit groove 16 disposed on an outer wall of the rotary sleeve 8 and symmetrically disposed, a limit ring 17 slidably connected with the limit groove 16 is movably mounted on the rotary sleeve 8, and a fixing ring 19 is fixed on the rotary sleeve 8; the trigger mechanism further comprises a first spring 18 which is sleeved on the rotating sleeve 8 and two ends of the first spring are respectively abutted to the fixed ring 19 and the limiting ring 17, an elastic component which is connected with the limiting ring 17 and the rotating sleeve 8 is arranged in the cabinet body 1 and connected with the driven component, the limiting ring 17 is matched with the movable ring 14, the elastic component comprises a fixed sleeve 20 which is fixedly installed on the limiting ring 17 and symmetrically arranged, a clamping groove 21 is formed in the outer wall of the fixed sleeve 20, a second spring 22 is fixedly arranged in the fixed sleeve 20, a limiting structure which is connected with the fixed sleeve 20 and the clamping groove 21 is arranged in the cabinet body 1 and connected with the rotating sleeve 8, the limiting structure comprises a limiting rod 23 which is movably installed in the fixed sleeve 20 and abutted to the second spring 22, a protrusion 24 which penetrates through the clamping groove 21 is fixedly arranged on the limiting rod 23, a movable sleeve 8 is fixedly provided with a movable pulley 27, and a limiting hole 28 is formed in the movable sleeve 8 and is matched with the limiting rod 28.

Further, in the initial state, the first spring 18 is in a slight compression state, the stop collar 17 is located at the end of the travel far away from the direction of the fixed ring 19, and the stop collar 17 is located at the end of the travel on one side of the stop groove 16, at this time, the stop collar 17 and the stop collar 14 are in a separated state, the second spring 22 is in a compression state, the stop lever 23 is located at the end of the travel far away from the direction of the fixed sleeve 20, the bulge 24 is located at the end of the travel on one side of the clamping groove 21, at this time, the stop lever 23 and the stop hole 28 are in a separated state, when the rotating sleeve 8 rotates, the movable pulley 27 cannot rotate along with the rotating sleeve 8, if the temperature in the cabinet 1 continuously rises, the heat dissipation efficiency of the cabinet 1 needs to be increased, at this time, the piston 6 moves, and the control moving collar 14 moves, so that the rotating speed of the first fan blade 26 increases, if the temperature in the cabinet 1 is still in an increased state, when the moving collar 14 moves to the position abutting against the stop collar 17, the stop collar 17 moves along the length direction of the stop groove 16, thereby driving the fixed sleeve 20 and the stop lever 23, the stop lever 23 moves along the stop lever 23, and the stop collar 23 moves along the stop collar 23, and the first spring 23 moves along the stop collar 23, and the stop collar 23 moves along the stop collar 23, and the position 23, and the second position 23 moves along the stop collar 23, and the second position, thereby reaching the maximum position, and the stop collar 23 and the second position, and the stop collar 23 and the maximum movement 23 and the stop collar.

The rotation speed of the first fan blade 26 is within a certain range, if the rotation speed is too high, the first fan blade 26 may be worn too much, so the rotation speed of the first fan blade 26 cannot be continuously increased, and in order to continuously increase the heat dissipation effect on the cabinet body 1, the rotation of the second fan blade 33 can be controlled to rotate after the rotation speed of the first fan blade 26 reaches the maximum, so that the heat dissipation effect on the cabinet body 1 is continuously increased under the condition that the rotation speed of the first fan blade 26 is unchanged.

Referring to fig. 2-4, a driven component connected with the trigger mechanism and the driving mechanism is further disposed in the cabinet body 1, the driven component is connected with a plurality of second fan blades 33 disposed in the second fan frame 25 and distributed at equal intervals in circumference, the trigger mechanism can act when the temperature regulating mechanism moves, when the first fan blade 26 reaches the maximum rotation speed, the second fan blades 33 are controlled to rotate synchronously by the driven component, the driven component comprises a rotating rod 30 rotatably mounted on the second fan frame 29, a fixed belt pulley 31 is fixed on the rotating rod 30, a second belt 32 connected with the movable belt pulley 27 is sleeved on the fixed belt pulley 31, and the rotating rod 30 is fixedly connected with the second fan blades 33.

Still further, if the rotation speed of the first fan blade 26 reaches the maximum, the temperature in the cabinet 1 is still in an increased state, and in order to prevent the first fan blade 26 from being damaged, the second fan blade 33 needs to be controlled to rotate to increase the heat dissipation effect on the cabinet 1, at this time, under the action of the movable ring 14, the stop collar 17 is controlled to move to ensure that the stop lever 23 enters the stop hole 28 and the movable belt pulley 27 is controlled to rotate, and the movable belt pulley 27 drives the fixed belt pulley 31 to rotate through the second belt 32, so as to drive the rotating lever 30 to rotate, so that the second fan blade 33 rotates.

The device can be provided with a plurality of groups in the power cabinet so as to radiate heat aiming at parts at different positions.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An electrical cabinet, comprising:

The cabinet comprises a cabinet body (1), wherein two first fan frames (25) and second fan frames (29) which are symmetrically arranged are fixedly arranged in the cabinet body (1);

The first fan blades (26) are circumferentially distributed in the first fan frame (25) at equal intervals, a driving mechanism connected with the first fan blades (26) and the first fan frame (25) is arranged in the cabinet body (1), and the driving mechanism can drive the first fan blades (26) to rotate;

The heat conduction pipe (5) is fixedly installed in the cabinet body (1) and connected with the driving mechanism, a temperature regulating mechanism connected with the heat conduction pipe (5) and the driving mechanism is arranged in the cabinet body (1), and the temperature regulating mechanism can act when the temperature in the cabinet body (1) rises and regulate the rotating speed of the first fan blade (26) through the driving mechanism.

2. The electric power cabinet according to claim 1, further comprising a triggering mechanism, wherein the triggering mechanism is arranged in the cabinet body (1) and is connected with the driving mechanism and the temperature regulating mechanism, and a driven component connected with the triggering mechanism and the driving mechanism is further arranged in the cabinet body (1).

3. A power cabinet according to claim 2, characterized in that the driven assembly is connected with a plurality of fan blades (33) which are arranged in the fan frame (29) and are circumferentially and equidistantly distributed, the triggering mechanism can act when the temperature regulating mechanism moves, and when the fan blade (26) reaches the maximum rotation speed, the fan blade (33) is controlled to synchronously rotate by the driven assembly; the driving mechanism comprises a motor (2) fixedly arranged in the cabinet body (1), a transmission rod (3) connected with an output shaft of the motor (2) is rotatably arranged in the cabinet body (1), a first belt (4) is sleeved on the transmission rod (3), a rotating assembly connected with the first belt (4) and the heat conducting tube (5) is arranged in the cabinet body (1), and the rotating assembly is connected with the temperature regulating mechanism, the first fan blades (26) and the triggering mechanism; the rotating assembly comprises a rotating sleeve (8) which is rotatably arranged on the heat-conducting pipe (5) and penetrates through the first fan frame (25), a rotary table (9) is fixed on the rotating sleeve (8), and a plurality of sliding grooves (10) which are distributed at equal intervals in circumference are formed in the rotary table (9);

the rotating assembly comprises a sliding rod (11) which is slidably arranged in the sliding groove (10), an arc-shaped plate (12) is fixed at one end, far away from the sliding groove (10), of the sliding rod (11), the arc-shaped plate (12) is connected with the first belt (4), the sliding rod (11) is connected with the temperature regulating mechanism, and the rotating sleeve (8) is connected with the triggering mechanism;

The temperature regulating mechanism comprises a piston (6) movably mounted in the heat conducting pipe (5), a movable rod (7) penetrating through the heat conducting pipe (5) is rotatably mounted at one end of the piston (6) facing the first fan frame (25), a supporting component connected with the movable rod (7) is arranged in the cabinet body (1), the supporting component is connected with the sliding rod (11) and the triggering mechanism, and the movable rod (7) is movably connected with the rotating sleeve (8);

The support assembly comprises a through groove (13) formed in the side wall of the rotary sleeve (8), one end, far away from the piston (6), of the movable rod (7) is fixedly provided with a movable ring (14) penetrating through the through groove (13) and sleeved on the rotary sleeve (8), the movable ring (14) is hinged with a plurality of connecting rods (15) distributed at equal intervals in the circumference, the connecting rods (15) are hinged with the sliding rod (11), and the movable ring (14) is connected with the triggering mechanism;

The trigger mechanism comprises limit grooves (16) which are symmetrically arranged on the outer wall of the rotary sleeve (8), a limit ring (17) which is slidably connected with the limit grooves (16) is movably arranged on the rotary sleeve (8), and a fixing ring (19) is fixed on the rotary sleeve (8).

4. A power cabinet according to claim 3, characterized in that the triggering mechanism further comprises a number one spring (18) which is sleeved on the rotating sleeve (8) and the two ends of which are respectively abutted with the fixed ring (19) and the limiting ring (17).

5. A power cabinet according to claim 4, characterized in that an elastic component connected with the limiting ring (17) and the rotating sleeve (8) is arranged in the cabinet body (1), the elastic component is connected with the driven component, and the limiting ring (17) is matched with the movable ring (14).

6. The electric power cabinet according to claim 5, wherein the elastic component comprises a fixing sleeve (20) fixedly installed on the limiting ring (17) and symmetrically arranged, a clamping groove (21) is formed in the outer wall of the fixing sleeve (20), and a second spring (22) is fixed in the fixing sleeve (20).

7. A power cabinet according to claim 6, characterized in that a limit structure connected with the fixed sleeve (20) and the clamping groove (21) is arranged in the cabinet body (1), and the limit structure is connected with the rotating sleeve (8) and the driven component.

8. The electric power cabinet according to claim 7, characterized in that the limiting structure comprises a limiting rod (23) movably mounted in the fixed sleeve (20) and abutted to the second spring (22), a protrusion (24) penetrating through the clamping groove (21) is fixed on the limiting rod (23), a movable belt wheel (27) is movably mounted on the rotating sleeve (8), a limiting hole (28) is formed in one end, facing the limiting ring (17), of the movable belt wheel (27), and the limiting hole (28) is matched with the limiting rod (23).

9. A power cabinet according to claim 8, characterized in that the driven assembly comprises a rotating rod (30) rotatably mounted on the fan frame (29), a fixed belt wheel (31) is fixed on the rotating rod (30), a belt (32) connected with the movable belt wheel (27) is sleeved on the fixed belt wheel (31), and the rotating rod (30) is fixedly connected with the fan blade (33).