CN114974817A - Heat dissipation protection casing for transformer - Google Patents

Abstract

The invention provides a heat radiation protection shell for a transformer, which comprises: the protection box is provided with heat dissipation holes and is provided with an electric appliance mounting plate; the heat dissipation mechanism comprises a motor and a threaded rod, the threaded rod is connected to the protection box in a rotating mode, a first connecting plate is connected to the threaded rod in a threaded mode, the first connecting plate is connected to the sliding groove formed in the protection box through a first limiting sliding block in a limiting sliding mode, the power output end of the motor is connected with the threaded rod, a third rotating column is arranged on the first connecting plate in a rotating mode, and the top and the bottom of the third rotating column are fixedly connected with a gear and a circular plate respectively. A heat dissipation mechanism arranged on a heat dissipation protection shell for a transformer can dissipate heat of the transformer; the baffle and the elastic component that set up cooperate for the electric fan is when removing the transformer both sides, and turned angle bloies the heat dissipation to the transformer lateral wall.

Description

A kind of heat dissipation protection shell for transformer

technical field

The invention relates to the field of heat dissipation protection casings, in particular to a heat dissipation protection casing for transformers.

Background technique

Voltage transformers are the basic equipment for power transmission and distribution, and are widely used in industry, agriculture, transportation, urban communities and other fields. A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core (magnetic core). In electrical equipment and wireless circuits, it is often used for raising and lowering voltage, matching impedance, and safety isolation. In a generator, an electrical potential can be induced in the coil, whether the coil moves through a magnetic field or the magnetic field moves through a stationary coil. In both cases, the value of the magnetic flux is unchanged, but the amount of magnetic flux that intersects with the coil changes, which is the principle of mutual induction. A transformer is a device that uses electromagnetic mutual induction to transform voltage, current and impedance.

The main functions of transformers are: voltage transformation, current transformation, impedance transformation, isolation, voltage regulation (magnetic saturation transformer), etc., and can be divided into: power transformers and special transformers according to their uses.

Existing transformer shells generally do not have a structure specially designed to improve heat dissipation efficiency. Generally, a separate box is used, and is equipped with heat dissipation holes and heat dissipation fins for heat dissipation, but its heat dissipation effect is not particularly good, and it is very It may cause irreversible damage to the internal coils. Often, the transformer will be damaged due to excessive temperature due to the slow heat dissipation, or even burn and explode, resulting in power outages and fire accidents in large areas, which may easily cause public property losses. Serious Or even explode, threatening people's lives and property. To this end, we design a heat dissipation protection shell for transformers to carry out heat dissipation protection for the transformer.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the defects existing in the prior art, and the present invention provides a heat dissipation protection casing for a transformer.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is: a heat dissipation protection shell for a transformer, comprising:

a protection box, the protection box is provided with heat dissipation holes, and the protection box is provided with an electrical installation board;

A heat dissipation mechanism, the heat dissipation mechanism includes a motor and a threaded rod, a threaded rod is rotatably connected to the protection box, and a first connecting plate is threadedly connected to the threaded rod, and the first connecting plate passes through a first limit sliding block The limit sliding connection is in the chute opened on the protection box, the power output end of the motor is connected with the threaded rod, the first connecting plate is rotated with a third rotating column, and the top of the third rotating column A gear and a circular plate are fixedly connected with the bottom respectively, the gear and the rack mounted on the inner wall of the protection box are engaged with each other, the outer wall of the circular plate is connected with a fourth connecting plate, and the fourth connecting plate is far away from the circular plate. A hinge rod is hinged on one side of the board, a slide rail is installed at the bottom of the first connecting plate, a second limit sliding block is connected in a limit sliding in the slide rail, and the hinge rod is far away from the fourth connecting board One side of the second limit sliding block is hinged with the second limit sliding block, the bottom of the second limit sliding block is installed with a second connecting plate, and the bottom of the second connecting plate is provided with an electric fan.

Further, a second rotating column is rotatably connected to the bottom of the second connecting plate through two fourth extending plates, a third connecting plate is fixedly connected to the second rotating column, and the electric fan is arranged on the first rotating column. The bottom of the three connecting plates, the L-shaped plate is installed on the second connecting plate, the side of the L-shaped plate close to the bottom is fixedly connected to the third connecting plate through an elastic member, and the inner wall of the protection box is fixedly connected with two There are two baffles, and the two baffles are respectively placed on both sides of the electrical appliance installation plate. When the third connecting plate is squeezed with the two baffles, the electric fan changes the blowing direction, so that the electrical appliances are angled at multiple angles. Air blower for cooling.

Further, a second electric telescopic rod is installed on the inner wall of the protection box, the electrical appliance installation plate is limited and slidably connected to the inner bottom of the protection box, and the telescopic end of the second electric telescopic rod is connected with the electric appliance installation plate. .

Further, a third extension plate is connected to the bottom of the electrical installation plate, the third extension plate is hinged with a first electric telescopic rod through the hinge auxiliary plate, and the telescopic end of the first electric telescopic rod is connected with a hinged end block. , the side of the electrical installation plate away from the protection box is rotatably connected with a first rotation column through two second extension plates, the outer wall of the first rotation column is fixedly connected with a box protection plate, the box protection The side of the board close to the protection box is connected with a first extension board, the hinged end block is hinged with the first extension board, and the box body protection board protects the protection box with side openings.

Further, the protection box is provided with a motor protection case, and the motor protection case wraps the motor therein.

Further, the electric fan is mounted on the bottom of the third connecting plate through an electric fan mounting plate.

Further, a control switch is installed on the protection board of the box body, which is used to assist the external connection of the transformer with the control switch.

Further, the baffle is placed below the L-shaped plate.

Further, the second electric telescopic rod and the first electric telescopic rod are any one of an air cylinder, a hydraulic cylinder, and an electric rod.

Further, the motor protective shell is provided with a notch for heat dissipation, and a filter screen is arranged on the notch.

Compared with the prior art, the beneficial effects of the present invention include: the heat dissipation mechanism provided can dissipate heat from the transformer;

The set baffle and the elastic part cooperate, so that when the electric fan moves on both sides of the transformer, the angle of rotation blows the side wall of the transformer to dissipate heat;

The first electric telescopic rod and the second electric telescopic rod are arranged, so that the device is easy to maintain, and the overall device is compact, simple and practical;

The set multi-angle blower cooperates with the first electric telescopic rod and the second electric telescopic rod, so that the electric fan can change the angle to carry out a good dust blowing operation.

Description of drawings

The disclosure of the present invention is described with reference to the accompanying drawings. It should be understood that the accompanying drawings are for illustrative purposes only, and are not intended to limit the protection scope of the present invention. In the drawings, the same reference numerals are used to refer to the same parts. in:

FIG. 1 schematically shows a schematic structural diagram of a see-through motor protective shell according to an embodiment of the present invention;

FIG. 2 schematically shows a schematic structural diagram of a first overall proposed according to an embodiment of the present invention;

FIG. 3 schematically shows a schematic structural diagram of a second whole proposed according to an embodiment of the present invention;

FIG. 4 schematically shows a schematic structural diagram of a third overall proposed according to an embodiment of the present invention;

FIG. 5 schematically shows a schematic structural diagram of a fourth overall proposed according to an embodiment of the present invention;

FIG. 6 schematically shows a schematic structural diagram of a fifth overall proposed according to an embodiment of the present invention;

FIG. 7 schematically shows an enlarged schematic view of the structure at A proposed according to an embodiment of the present invention;

FIG. 8 schematically shows an enlarged schematic diagram of the structure at B according to an embodiment of the present invention;

FIG. 9 schematically shows an enlarged schematic view of the structure at C according to an embodiment of the present invention.

Labels in the figure: 1, protective box; 2, motor; 3, heat dissipation hole; 4, slide rail; 5, baffle; 6, box body protection plate; 7, first extension plate; 8, motor protection shell; 9, Hinged end block; 10, the first electric telescopic rod; 11, the electrical installation plate; 12, the second extension plate; 13, the first connecting plate; 14, the threaded rod; 15, the first limit sliding block; 16, the rack ; 17, the second electric telescopic rod; 18, the third extension plate; 19, L-shaped plate; 20, the first rotation column; 21, the second connecting plate; 22, the fourth extension plate; 23, the second rotation column; 24, the third connecting plate; 25, the electric fan mounting plate; 26, the electric fan; 27, the elastic part; 28, the chute; 29, the gear; 30, the third rotation column; 31, the hinge rod; 32, the control switch; 33. The second limit sliding block; 34, the fourth connecting plate; 35, the circular plate.

Detailed ways

It is easy to understand that, according to the technical solutions of the present invention, without changing the essential spirit of the present invention, those of ordinary skill in the art can propose various alternative structures and implementations. Therefore, the following specific embodiments and accompanying drawings are only exemplary descriptions of the technical solutions of the present invention, and should not be regarded as all of the present invention or as limitations or restrictions on the technical solutions of the present invention.

An embodiment according to the present invention is shown in conjunction with FIGS. 1 to 9 . A heat dissipation protective casing for a transformer, comprising:

The protective box 1 is provided with heat dissipation holes 3, and the protective box 1 is provided with an electrical installation plate 11;

The heat dissipation mechanism includes a motor 2 and a threaded rod 14. A threaded rod 14 is rotatably connected to the protection box 1, and a first connecting plate 13 is threadedly connected to the threaded rod 14. The first connecting plate 13 passes through the first limit sliding block 15. The limit sliding is connected in the chute 28 opened on the protection box 1, the power output end of the motor 2 is connected with the threaded rod 14, the first connecting plate 13 is rotated with a third rotating column 30, and the top of the third rotating column 30 is connected to the threaded rod 14. The bottom is fixedly connected with a gear 29 and a circular plate 35 respectively. The gear 29 meshes with the rack 16 installed on the inner wall of the protection box 1. The outer wall of the circular plate 35 is connected with a fourth connecting plate 34, and the fourth connecting plate 34 is far away from the circular plate 35. A hinge rod 31 is hinged on one side, a slide rail 4 is installed on the bottom of the first connecting plate 13 , and a second limit sliding block 33 is connected to the slide rail 4 in a limit sliding connection. The hinge rod 31 is away from the side of the fourth connecting plate 34 . The second limit sliding block 33 is hingedly connected, the bottom of the second limit sliding block 33 is mounted with a second connecting plate 21 , and the bottom of the second connecting plate 21 is provided with an electric fan 26 . Transformers are the basic equipment for power transmission and distribution, and are widely used in industry, agriculture, transportation, urban communities and other fields. A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core (magnetic core). In electrical equipment and wireless circuits, it is often used for lifting and lowering voltage, matching impedance, and safety isolation. In a generator, an electrical potential can be induced in the coil, whether the coil moves through a magnetic field or the magnetic field moves through a stationary coil. In both cases, the value of the magnetic flux remains unchanged, but the amount of magnetic flux that intersects with the coil varies, which is the principle of mutual induction. A transformer is a device that uses electromagnetic mutual induction to transform voltage, current and impedance.

The main functions of transformers are: voltage transformation, current transformation, impedance transformation, isolation, voltage regulation (magnetic saturation transformer), etc., and can be divided into: power transformers and special transformers according to their uses.

Existing transformer shells generally do not have a structure specially designed to improve heat dissipation efficiency. Generally, a separate box is used, and is equipped with heat dissipation holes and heat dissipation fins for heat dissipation, but its heat dissipation effect is not particularly good, and it is very It may cause irreversible damage to the internal coils. Often, the transformer will be damaged due to excessive temperature due to the slow heat dissipation, or even burn and explode, resulting in power outages and fire accidents in large areas, which may easily cause public property losses. Serious Or even explode, threatening people's lives and property. To this end, we design a heat dissipation protection shell for transformers to carry out heat dissipation protection for the transformer. First, install the transformer on the electrical installation plate 11 on the protection box 1. When it is necessary to dissipate heat from the transformer, start the motor 2, and the motor 2 drives the threaded rod 14 to rotate. When one side moves, the first connecting plate 13 that moves to one side drives the third rotating column 30, the gear 29, and the circular plate 35 to move. At this time, the gear 29 meshes with the rack 16, so that the third rotating column 30, the circular plate 35 rotates, the rotating circular plate 35 makes the second limit slider 33 move back and forth in the slide rail 4 through the fourth connecting plate 34 and the hinge rod 31. At this time, the second limit slider 33 drives the electric fan 26 to move back and forth. In summary, the coordinated movement of the threaded rod 14 makes the electric fan 26 perform a Z-shaped action, so as to better dissipate heat from the transformer.

Specifically, as shown in FIG. 9 , the bottom of the second connecting plate 21 is rotatably connected to a second rotating column 23 through two fourth extending plates 22 , and a third connecting plate 24 is fixedly connected to the second rotating column 23 . 26 is arranged at the bottom of the third connecting plate 24, an L-shaped plate 19 is installed on the second connecting plate 21, the side of the L-shaped plate 19 close to the bottom is fixedly connected to the third connecting plate 24 through an elastic member 27, and the inner wall of the protection box 1 is fixed Two baffles 5 are connected, and the two baffles 5 are respectively placed on both sides of the electrical installation board 11. When the third connecting plate 24 is pressed against the two baffles 5, the electric fan 26 changes the blowing direction, so that the The appliance is blown from multiple angles to dissipate heat. When the second limit slider 33 moves back and forth, such as moving forward to a certain position, the second connecting plate 21 and the third connecting plate 24 both move forward to a certain position, and the third connecting plate 24 It will be squeezed with one of the baffles 5. Under the cooperation of the second rotating column 23, the electric fan 26 is gradually inclined at this time, and the electric fan 26 has already crossed the top of the transformer. The angle blowing makes the transformer dissipate heat quickly. When the second limit slider 33 moves backward, similarly, blowing blows to the rear side wall of the transformer at multiple angles. With the Z-shaped action, the heat dissipation effect is greatly improved.

Specifically, as shown in FIG. 3 , a second electric telescopic rod 17 is installed on the inner wall of the protective box 1 , the electrical appliance mounting plate 11 is limited and slidably connected to the inner bottom of the protective box 1 , and the telescopic end of the second electric telescopic rod 17 is connected to the electrical appliance. Mounting plate 11 is attached. Activating the second electric telescopic rod 17 makes the electrical installation plate 11 move to the outside so that personnel can maintain the device. The structure cooperates with the above-mentioned mechanism to be compact, simple and practical. And when the transformer is moved to the outside, the above-mentioned heat dissipation mechanism becomes a dust cleaning mechanism, and the multi-angle dust blowing effect enables the cleaning of fine impurities. When used, it has unexpected effects.

Specifically, as shown in FIG. 1 , the bottom of the electrical installation plate 11 is connected with a third extension plate 18 , and the third extension plate 18 is hinged with a first electric telescopic rod 10 through a hinge auxiliary plate, and the telescopic end of the first electric telescopic rod 10 is hinged. A hinged end block 9 is connected, the side of the electrical installation plate 11 away from the protection box 1 is rotatably connected with a first rotation column 20 through two second extension plates 12 , and the outer wall of the first rotation column 20 is fixedly connected with a box body protection plate 6 . The side of the box protection plate 6 close to the protection box 1 is connected with a first extension plate 7, the hinged end block 9 is hinged with the first extension plate 7, and the box protection plate 6 protects the protection box 1 with an open side. A control switch needs to be installed on one side of the protection box 1, so that the power can be turned off with one key, and it will be connected by wires. At this time, the side plate and the transformer are equivalent to one-piece structure, and there are wires between them. We need to remove it as a whole. , it will be easier to maintain. When the second telescopic rod 17 is activated, the first telescopic rod 10 is activated at the same time. Under the hinged cooperation of the hinged end block 9, the elongated first telescopic rod 10 will open the box protection plate 6 and move out together with the transformer. , the length of the wire is less required, and the winding will not cause damage to the electrical appliance. The device greatly facilitates later maintenance.

Specifically, as shown in FIG. 2 , the protection box 1 is installed with a motor protection case 8 , and the motor protection case 8 wraps the motor 2 therein. The motor 2 is not directly exposed to the air, which greatly protects the safety of the motor 2 .

Specifically, as shown in FIG. 8 , the electric fan 26 is mounted on the bottom of the third connecting plate 24 through the electric fan mounting plate 25 . It is convenient to install the electric fan 26 .

Specifically, as shown in FIG. 4 , a control switch 32 is installed on the box body protection plate 6 for assisting the external connection of the transformer to the control switch. It is convenient for transformer wiring and circuit control.

Specifically, as shown in FIG. 4 , the baffle 5 is placed below the L-shaped plate 19 . So that the baffle 5 will not hinder the movement of the L-shaped bar 19 .

Specifically, as shown in FIG. 4 , the second electric telescopic rod 17 and the first electric telescopic rod 10 are any one of an air cylinder, a hydraulic cylinder, and an electric rod. Various embodiments are provided, all of which are implementation contents of this solution.

Specifically, as shown in FIG. 3 , the motor protective shell 8 is provided with a notch for heat dissipation, and a filter screen is arranged on the notch. Prevent debris from entering the motor protective shell 8 and affect the use of the motor 2 . Moreover, the heat dissipation holes 3 of the protection box 1 are also provided with filters.

In this embodiment, the transformer is the basic equipment for power transmission and distribution, and is widely used in fields such as industry, agriculture, transportation, and urban communities. A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core (magnetic core). In electrical equipment and wireless circuits, it is often used for raising and lowering voltage, matching impedance, and safety isolation. In a generator, an electrical potential can be induced in the coil, whether the coil moves through a magnetic field or the magnetic field moves through a stationary coil. In both cases, the value of the magnetic flux is unchanged, but the amount of magnetic flux that intersects with the coil changes, which is the principle of mutual induction. A transformer is a device that uses electromagnetic mutual induction to transform voltage, current and impedance.

The main functions of transformers are: voltage transformation, current transformation, impedance transformation, isolation, voltage regulation (magnetic saturation transformer), etc., and can be divided into: power transformers and special transformers according to their uses.

Existing transformer shells generally do not have a structure specially designed to improve heat dissipation efficiency. Generally, a separate box is used, and is equipped with heat dissipation holes and heat dissipation fins for heat dissipation, but its heat dissipation effect is not particularly good, and it is very It may cause irreversible damage to the internal coils. Often, the transformer will be damaged due to excessive temperature due to the slow heat dissipation, or even burn and explode, resulting in power outages and fire accidents in large areas, which may easily cause public property losses. Serious Or even explode, threatening people's lives and property. To this end, we design a heat dissipation protection shell for transformers to carry out heat dissipation protection for the transformer. First, install the transformer on the electrical installation plate 11 on the protection box 1. When it is necessary to dissipate heat from the transformer, start the motor 2, and the motor 2 drives the threaded rod 14 to rotate. When one side moves, the first connecting plate 13 that moves to one side drives the third rotating column 30, the gear 29, and the circular plate 35 to move. At this time, the gear 29 meshes with the rack 16, so that the third rotating column 30, the circular plate 35 rotates, the rotating circular plate 35 makes the second limit slider 33 move back and forth in the slide rail 4 through the fourth connecting plate 34 and the hinge rod 31. At this time, the second limit slider 33 drives the electric fan 26 to move back and forth. In summary, the coordinated movement of the threaded rod 14 makes the electric fan 26 perform a Z-shaped action, so as to better dissipate heat from the transformer.

And when the second limit slider 33 moves back and forth, for example, when it moves forward to a certain position, the second connecting plate 21 and the third connecting plate 24 both move forward to a certain position, at this time, the third connecting plate 24 will be squeezed with one of the baffles 5. Under the cooperation of the second rotating column 23, the electric fan 26 is gradually inclined at this time, and the electric fan 26 has already crossed the top of the transformer. The multi-angle blowing makes the transformer dissipate heat quickly. When the second limit slider 33 moves backward, similarly, the rear sidewall of the transformer is blown from multiple angles. With the Z-shaped action, the heat dissipation effect is greatly improved.

When the transformer needs to be maintained, the second electric telescopic rod 17 is activated so that the electrical installation plate 11 is moved to the outside so that personnel can maintain the device. The structure cooperates with the above-mentioned mechanism to be compact, simple and practical. And when the transformer is moved to the outside, the above-mentioned heat dissipation mechanism becomes a dust cleaning mechanism, and the multi-angle dust blowing effect enables the cleaning of fine impurities. When used, it has unexpected effects.

The technical scope of the present invention is not limited to the content in the above description, and those skilled in the art can make various deformations and modifications to the above-mentioned embodiments without departing from the technical idea of the present invention, and these deformations and modifications should belong to within the protection scope of the present invention.

Claims (10)

1. A heat dissipation protective housing for a transformer, comprising:

the protective box comprises a protective box (1), wherein heat dissipation holes (3) are formed in the protective box (1), and an electric appliance mounting plate (11) is arranged on the protective box (1);

the heat dissipation mechanism comprises a motor (2) and a threaded rod (14), the threaded rod (14) is rotatably connected to the protection box (1), a first connecting plate (13) is connected to the threaded rod (14) in a threaded mode, the first connecting plate (13) is connected to a sliding groove (28) formed in the protection box (1) in a limiting mode through a first limiting sliding block (15) in a sliding mode, the power output end of the motor (2) is connected with the threaded rod (14), a third rotating column (30) is rotatably arranged on the first connecting plate (13), a gear (29) and a circular plate (35) are fixedly connected to the top and the bottom of the third rotating column (30) respectively, the gear (29) is meshed with a rack (16) installed on the inner wall of the protection box (1), a fourth connecting plate (34) is connected to the outer wall of the circular plate (35), and a hinge rod (31) is hinged to one side, far away from the circular plate (35), of the fourth connecting plate (34), the electric fan is characterized in that a sliding rail (4) is installed at the bottom of the first connecting plate (13), a second limiting sliding block (33) is connected in the sliding rail (4) in a limiting sliding mode, one side, far away from the fourth connecting plate (34), of the hinged rod (31) is hinged to the second limiting sliding block (33), a second connecting plate (21) is installed at the bottom of the second limiting sliding block (33), and an electric fan (26) is arranged at the bottom of the second connecting plate (21).

2. The heat dissipation protection shell for the transformer according to claim 1, wherein the bottom of the second connecting plate (21) is rotatably connected with a second rotating column (23) through two fourth extending plates (22), the second rotating column (23) is fixedly connected with a third connecting plate (24), the electric fan (26) is arranged at the bottom of the third connecting plate (24), the second connecting plate (21) is provided with an L-shaped plate (19), one side of the L-shaped plate (19) close to the bottom is fixedly connected with the third connecting plate (24) through an elastic member (27), the inner wall of the protection box (1) is fixedly connected with two baffles (5), the two baffles (5) are respectively arranged at two sides of the electrical appliance mounting plate (11), and when the third connecting plate (24) is pressed with the two baffles (5), the electric fan (26) changes the blowing direction, so as to radiate the heat of the multi-angle air blowing of the electric appliance.

3. The heat dissipation protection shell for the transformer according to claim 2, wherein a second electric telescopic rod (17) is installed on the inner wall of the protection box (1), the electrical appliance mounting plate (11) is connected to the inner bottom of the protection box (1) in a limiting and sliding manner, and the telescopic end of the second electric telescopic rod (17) is connected with the electrical appliance mounting plate (11).

4. The heat dissipation protective casing for the transformer according to claim 3, the bottom of the electric appliance mounting plate (11) is connected with a third extending plate (18), the third extending plate (18) is hinged with a first electric telescopic rod (10) through a hinge auxiliary plate, the telescopic end of the first electric telescopic rod (10) is connected with a hinged end block (9), one side of the electric appliance mounting plate (11) far away from the protection box (1) is rotatably connected with a first rotating column (20) through two second extension plates (12), the outer wall of the first rotating column (20) is fixedly connected with a box body protecting plate (6), one side of the box body protection plate (6) close to the protection box (1) is connected with a first extension plate (7), the hinged end block (9) is hinged with the first extension plate (7), and the box body protection plate (6) protects the protection box (1) with an opening on the side surface.

5. The heat dissipation protection shell for the transformer according to claim 1, wherein the protection box (1) is provided with a motor protection shell (8), and the motor protection shell (8) covers the motor (2).

6. The heat radiation protection casing for transformer according to claim 4, characterized in that the bottom of the third connecting plate (24) is mounted with the electric fan (26) by an electric fan mounting plate (25).

7. The heat dissipation protection casing for the transformer according to claim 1, characterized in that the box protection plate (6) is provided with a control switch (32) for assisting the external connection of the transformer with the control switch.

8. The heat-dissipating protective casing for a transformer as set forth in claim 6, wherein the baffle (5) is disposed below the L-shaped plate (19).

9. The heat dissipation protection shell for the transformer according to claim 4, wherein the second electric telescopic rod (17) and the first electric telescopic rod (10) are any one of an air cylinder, a hydraulic cylinder and an electric rod.

10. The heat dissipation protection casing for the transformer as claimed in claim 5, wherein the motor protection casing (8) is provided with a notch for heat dissipation, and the notch is provided with a filter screen.

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