CN218568596U - Transformer heat abstractor - Google Patents

Abstract

The utility model belongs to the technical field of the transformer heat dissipation, especially, relate to a transformer heat abstractor, including box and chamber door, the surface of box one side runs through and has seted up the access hole, still includes: the ventilation component is arranged on the surface of one side of the box body; the first heat dissipation assembly is arranged on the upper surface of the box body; the second heat dissipation assembly is arranged on the surface of one side, far away from the ventilation assembly, of the box body; the third heat dissipation assembly is arranged on the surface of one side, far away from the box door, of the box body; one side of the box body, which is far away from the second heat dissipation assembly, is penetrated and provided with a through groove, and the box door is rotatably installed on one side, close to the access hole, of the outer portion of the box body through a hinge. Compared with the prior art, the utility model discloses high-efficient heat dissipation has been reached to can be when ventilating impurity such as separation dust get into the inside effect of box.

Description

Transformer heat abstractor

Technical Field

The utility model belongs to the technical field of the transformer heat dissipation, especially, relate to a transformer heat abstractor.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the main functions of: the transformer has the advantages that the transformer is high in internal heat accumulation and easy to damage internal electric elements due to the fact that the number of internal high-voltage electric elements is large when the transformer works.

Chinese patent with application number CN202010995792.6 discloses a transformer heat sink, belonging to the field of transformers. A transformer heat sink comprising: the shell and the plurality of rotating plates; the transformer is arranged within the housing; the upper end of the shell is provided with a through air inlet channel, and a fan is arranged in the air inlet channel; the shell is provided with at least one opening, the opening is communicated with the outside, and the rotating plate is arranged in the opening and is in rotating connection with the shell; when the rotating plate is rotated to be aligned with the opening, the opening can be closed; a flow channel is embedded in the rotating plate, and two ends of the flow channel are communicated with the outside of the shell. Compared with the prior art, the variable pressure ball heat dissipation device can effectively utilize high-humidity air or rainwater to dissipate heat, and meanwhile can ensure waterproofness. Firstly, the device utilizes the inside runner of rainwater entering rotor plate to reach the heat exchange in rainy day, but just can dispel the heat to the rotor plate fast like this, it is not good to the electrical components radiating effect of box inside, secondly, the device opens the rotor plate under the dry circumstances in sunny day for the heat passes through the opening and accomplishes the heat exchange, but the opening part does not be provided with the dust screen, and the opening is great, make dust impurity or other great insects get into easily, influence the normal use of the electrical components of box inside, from this it is necessary to make the improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem that exists, a transformer heat abstractor is provided, high-efficient heat dissipation has been reached to can be when ventilating impurity such as separation dust get into the inside effect of box.

In view of this, the utility model provides a transformer heat abstractor, including box and chamber door, the surface of box one side runs through and has seted up the access hole, still includes:

the ventilation assembly is arranged on the surface of one side of the box body;

the first heat dissipation assembly is arranged on the upper surface of the box body;

the second heat dissipation assembly is arranged on the surface of one side, far away from the ventilation assembly, of the box body;

the third heat dissipation assembly is arranged on the surface of one side, far away from the box door, of the box body;

one side of the box body, which is far away from the second heat dissipation assembly, is penetrated and provided with a through groove, and the box door is rotatably installed on one side, close to the access hole, of the outer portion of the box body through a hinge.

In this technical scheme, can dispel the heat to the box inside through first radiator unit, second radiator unit, third radiator unit and ventilation module through multiple mode, reduce because other external factors cause the influence to the heat dissipation, improve the high-efficient radiating effect of device.

In the above technical solution, further, the third heat dissipation assembly includes:

the heat dissipation device comprises a shell, a mounting plate and cooling fins, wherein the shell is fixedly welded on the surface of the outer side of a box body, the cooling fins penetrate through and are fixedly mounted on the surface of one side, far away from an access hole, of the box body, one side of each cooling fin is in contact connection with the surface of an electrical element inside the box body, the other side of each cooling fin extends into the shell, a condensation pipe is mounted inside the shell, the surface of each condensation pipe is in contact connection with the surface of each cooling fin, two ends of each cooling fin are respectively and fixedly connected with a water inlet pipe and a water outlet pipe, the mounting plate is fixedly mounted on the surface of one side, far away from the access hole, of the box body, a water pump is fixedly mounted on the upper surface of the mounting plate, the output end of the water pump is fixedly connected with the other end of the water inlet pipe, and the input end of the water pump is fixedly connected with a water inlet connecting pipe;

wherein, the other ends of the water inlet connecting pipe and the water outlet pipe are communicated with an external water source.

In this technical scheme, through water pump extraction cold water and transmit to the condenser pipe in, and condenser pipe and fin surface contact, therefore can take away the heat on the fin, and the fin contacts with electrical components again, therefore the heat on the electrical components can in time transmit to the fin again to reach quick radiating effect.

In the above technical solution, further, the first heat dissipation assembly includes:

the two mounting frames are fixedly mounted on the upper surface of the box body, a first rotating rod penetrates through the space between the two mounting frames and is rotatably mounted on the upper surface of the box body, a rotating blade is fixedly mounted at one end of the first rotating rod, a first conical tooth is fixedly mounted at the other end of the first rotating rod, a second rotating rod penetrates through the space and is rotatably mounted on the upper surface of the box body, a second conical tooth is fixedly mounted at the top end of the second rotating rod, and a first fan blade is fixedly mounted at the bottom end of the second rotating rod;

wherein the first conical tooth is meshed with the second conical tooth.

In this technical scheme, when meeting the strong wind weather, can utilize the wind speed to drive rotating vane's rotation, thereby drive bull stick one and first toper tooth and rotate, first toper tooth rotates and will drive the second toper tooth rotation of meshing with it, thereby drive bull stick two and the first flabellum rotation of bottom, first flabellum rotates and will bloies the heat dissipation to the electrical components of box inside, because this heat dissipation mode is the drive that utilizes natural wind, therefore can reduce radiating cost, more energy-conservation.

In the above technical solution, further, the second heat dissipation assembly includes:

the safety device comprises a motor and a safety blocking frame, wherein the safety blocking frame is fixedly welded on one side inside a box body, the motor penetrates through one side of the box body, which is close to the safety blocking frame, and is fixedly installed on one side of the box body, the output end of the motor is fixedly provided with a second fan blade, and the second fan blade is located inside the safety blocking frame.

In this technical scheme, under meeting rainwater weather logical groove and being difficult to open and the windless condition, can utilize the motor to drive the second flabellum and carry out high-speed rotation, the wind speed that produces through the second fan is to electrical components heat dissipation of blowing, avoids the electricity to take place because the condition that the high temperature ware component burns out.

In the above technical solution, further, the ventilation assembly includes:

the dustproof plate is fixedly arranged on one side, close to the through groove, in the box body, the mounting ring is fixedly arranged on one side, close to the through groove, of the outer portion of the box body, a rotating groove is formed in the inner side of the mounting ring, a half baffle is fixedly welded on the surface, far away from the box body, of the mounting ring, a connecting rod is rotatably arranged between the half baffle and the dustproof plate, one end of the connecting rod penetrates through the surface of the half baffle and is fixedly connected with a rotator, and a rotating disc is fixedly connected to the surface of the connecting rod;

the rotating disc is clamped on the inner side of the rotating groove and is rotatably connected with the rotating groove, and a plurality of through holes are formed in the surface of one half of the rotating disc in an equidistant penetrating mode.

In the technical scheme, the rotary disc is half closed and half smooth, so that the through groove can be closed in rainy days, rainwater is prevented from entering the through groove, the through groove can be opened in fine days, gas in the box body is subjected to heat exchange with the outside, a certain heat dissipation effect is achieved, and the dustproof plate is arranged on the inner side of the through groove, so that effective dust prevention can be achieved under the ventilation condition.

In the above technical solution, further:

the rotator is made of magnets, the half baffle is made of iron blocks, and the half baffle is connected with the rotator in an attracting mode.

In this technical scheme, because the rotating device is made by the magnetite, therefore the commentaries on classics ware will adsorb and fix on half baffle under normal conditions to fixed the connecting rod, further can fix the rotary disk, avoid the carousel to take place the pivoted condition under ventilation or airtight condition.

In the above technical solution, further:

the surface of the rotating disc, which is far away from one side of the dust-proof plate, is in contact connection with the surface of the semi-baffle, which is far away from one side of the rotator.

In this technical scheme, rotary disk and half baffle contact for in rainwater weather, can rotate the rotary disk and make to open half and half baffle contact that has the through-hole, second half blocks up the aperture on the dust guard, reaches confined effect, avoids the entering of rainwater to influence electrical components's normal use.

The utility model has the advantages that:

1. the first heat dissipation assembly, the second heat dissipation assembly, the third heat dissipation assembly and the ventilation assembly can dissipate heat inside the box body in various modes, so that the influence of other external factors on heat dissipation is reduced, and the efficient heat dissipation effect of the device is improved;

2. the water pump is used for pumping cold water and transmitting the cold water to the condenser pipe, and the condenser pipe is in contact with the surface of the radiating fin, so that heat on the radiating fin can be taken away, and the radiating fin is in contact with the electrical component, so that the heat on the electrical component can be transmitted to the radiating fin in time, and the effect of rapid heat radiation is achieved;

3. when the weather is strong wind, the wind speed can be utilized to drive the rotating blades to rotate, so that the rotating rod I and the first conical tooth are driven to rotate, the first conical tooth can drive the second conical tooth meshed with the first conical tooth to rotate, the rotating rod II and the first fan blade at the bottom end are driven to rotate, the first fan blade can blow air to dissipate heat of electrical components in the box body through rotation, and the heat dissipation mode is driven by natural wind, so that the heat dissipation cost can be reduced, and the energy is saved;

4. when the through groove is difficult to open and no wind exists in rainy days, the motor can be used for driving the second fan blade to rotate at a high speed, and the wind speed generated by the second fan is used for blowing and radiating the electric appliance element, so that the condition that the electric appliance element is burnt out due to high temperature is avoided;

5. the rotating disc is half closed and half smooth, so that the through groove can be closed in rainy days to avoid rainwater from entering, the through groove can be opened in sunny days to enable air in the box body to exchange heat with the outside to achieve a certain heat dissipation effect, and the dust-proof plate is arranged on the inner side of the through groove, so that effective dust prevention can be achieved under the ventilation condition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of a first closed state three-dimensional structure of the present invention;

fig. 2 is a schematic view of a first open-state three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the partially disassembled three-dimensional structure of the present invention;

fig. 4 is a schematic view of a second open state three-dimensional structure of the present invention;

fig. 5 is a schematic view of a second closed-state three-dimensional structure of the present invention;

fig. 6 is a schematic view of a third open-state three-dimensional structure of the present invention;

fig. 7 is a schematic view of the sectional structure of the rear view portion of the present invention.

The labels in the figures are:

the box body 1, a box door 2, a ventilation assembly 3, a mounting ring 301, a half baffle 302, a rotating groove 303, a dust guard 304, a rotating disc 305, a connecting rod 306, a rotator 307, a first heat dissipation assembly 4, a mounting frame 401, a first rotating rod 402, a rotating blade 403, a first conical tooth 404, a second conical tooth 405, a second rotating rod 406, a first fan blade 407, a second heat dissipation assembly 5, a motor 501, a safety baffle frame 502, a second fan blade 503, an access opening 6, a third heat dissipation assembly 7, a shell 701, a mounting plate 702, a water pump 703, a heat sink 704, a condensation pipe 705, a water inlet pipe 706, a water outlet pipe 707 and a water inlet connecting pipe 708.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

the embodiment of the application provides a transformer heat abstractor, including box 1 and chamber door 2, the surface of 1 one side of box runs through and has seted up access hole 6, still includes: the ventilation component 3 is arranged on the surface of one side of the box body 1; the first heat dissipation assembly 4, the first heat dissipation assembly 4 is set in the upper surface of the box 1; the second heat dissipation assembly 5 is arranged on the surface of one side, away from the ventilation assembly 3, of the box body 1; the third heat dissipation assembly 7, the third heat dissipation assembly 7 is set up in the surface far away from side of the chamber door 2 of the container body 1;

wherein, the box 1 runs through the one side of keeping away from second radiator unit 5 and has seted up logical groove, and chamber door 2 rotates through the hinge and installs the outside of box 1 one side that is close to access hole 6.

In this embodiment, can dispel the heat through first radiator unit, second radiator unit, third radiator unit and ventilation module through multiple mode to the box is inside, reduces because other external factors cause the influence to dispel the heat, improves the high-efficient radiating effect of device.

Example 2:

the present embodiment provides a transformer heat dissipation apparatus, which includes the following technical features in addition to the technical solutions of the above embodiments, and the third heat dissipation assembly 7 includes: the heat dissipation device comprises a shell 701, a mounting plate 702 and heat dissipation fins 704, wherein the shell 701 is fixedly welded on the surface of the outer side of the box 1, the heat dissipation fins 704 penetrate through and are fixedly mounted on the surface of one side, far away from the access hole 6, of the box 1, one side of each heat dissipation fin 704 is in contact connection with the surface of an electrical element in the box 1, the other side of each heat dissipation fin 704 extends into the shell 701, a condensation pipe 705 is mounted in the shell 701, the surface of each condensation pipe 705 is in contact connection with the surface of each heat dissipation fin 704, two ends of each heat dissipation fin 704 are respectively and fixedly connected with a water inlet pipe 706 and a water outlet pipe 707, the mounting plate 702 is fixedly mounted on the surface of one side, far away from the access hole 6, of the box 1, a water pump 703 is fixedly mounted on the upper surface, the output end of the water pump 703 is fixedly connected with the other end of the water inlet pipe 706, and the input end of the water pump 703 is fixedly connected with a water inlet connection pipe 708;

wherein, the other ends of the water inlet connecting pipe 708 and the water outlet pipe 707 are both communicated with an external water source.

In this embodiment, extract cold water through the water pump and transmit to the condenser pipe in, and condenser pipe and fin surface contact, therefore can take away the heat on the fin, and the fin contacts with electrical components again, therefore the heat on the electrical components can in time transmit to the fin again to reach quick radiating effect.

Example 3:

the present embodiment provides a transformer heat dissipation apparatus, which includes the following technical features in addition to the technical solutions of the above embodiments, and the first heat dissipation assembly 4 includes: the two mounting frames 401 are arranged, the two mounting frames 401 are fixedly mounted on the upper surface of the box body 1, a first rotating rod 402 penetrates through and is rotatably mounted between the two mounting frames 401, a rotating blade 403 is fixedly mounted at one end of the first rotating rod 402, a first conical tooth 404 is fixedly mounted at the other end of the first rotating rod 402, a second rotating rod 406 penetrates through and is rotatably mounted on the upper surface of the box body 1, a second conical tooth 405 is fixedly mounted at the top end of the second rotating rod 406, and a first fan blade 407 is fixedly mounted at the bottom end of the second rotating rod 406;

wherein the first conical teeth 404 mesh with the second conical teeth 405.

In this embodiment, when meeting the strong wind weather, can utilize the wind speed to drive rotating vane's rotation to drive bull stick one and first toper tooth and rotate, first toper tooth rotates and will drive the second toper tooth rotation of meshing with it, thereby drive the first flabellum rotation of bull stick two and bottom, first flabellum rotation will blow the heat dissipation to the electrical components of box inside, because this heat dissipation mode is the drive that utilizes natural wind, therefore can reduce radiating cost, more energy-conservation.

Example 4:

the present embodiment provides a transformer heat dissipation apparatus, which includes the following technical features in addition to the technical solutions of the above embodiments, and the second heat dissipation assembly 5 includes: the safety baffle frame 502 is fixedly welded on one side inside the box body 1, the motor 501 penetrates through and is fixedly installed on one side, close to the safety baffle frame 502, of the box body 1, the output end of the motor 501 is fixedly installed with the second fan blade 503, and the second fan blade 503 is located inside the safety baffle frame 502.

In this embodiment, when meeting under the rainwater weather logical groove and be difficult to open and the windless condition, can utilize the motor to drive the second flabellum and carry out high-speed rotation, the wind speed that produces through the second fan is bloied the heat dissipation to electrical components, avoids the electricity because the condition of high temperature ware component burnout takes place.

Example 5:

the present embodiment provides a transformer heat dissipation apparatus, which includes the following technical features in addition to the technical solutions of the above embodiments, and the ventilation assembly 3 includes: the dust-proof plate 304 is fixedly arranged on one side, close to the through groove, inside the box body 1, the dust-proof plate 304 is fixedly arranged on one side, close to the through groove, outside the box body 1, the mounting ring 301 is fixedly arranged on one side, close to the through groove, outside the box body 1, the rotating groove 303 is formed in the inner side of the mounting ring 301, the surface, far away from the box body 1, of the mounting ring 301 is fixedly welded with the half baffle plate 302, a connecting rod 306 is rotatably arranged between the half baffle plate 302 and the dust-proof plate 304, one end of the connecting rod 306 penetrates through the surface of the half baffle plate 302 and is fixedly connected with a rotator 307, and the surface of the connecting rod 306 is fixedly connected with a rotating disc 305;

wherein, the joint of rotary disk 305 is in the inboard that rotates groove 303, and rotary disk 305 rotates with rotation groove 303 and is connected, and a plurality of through-hole has been seted up in equidistant the running through of half surface of rotary disk 305.

In the embodiment, the rotating disc is half closed and half unblocked, so that the through groove can be closed in rainy days to avoid rainwater from entering, the through groove can be opened in sunny days to ensure that gas in the box body exchanges heat with the outside to achieve a certain heat dissipation effect, and the inner side of the through groove is provided with the dustproof plate, so that effective dust prevention can be realized under the ventilation condition.

Example 6:

the embodiment provides a transformer heat dissipation device, which includes the technical solutions of the above embodiments, and further has the following technical features: the rotator 307 is made of a magnet, the half baffle 302 is made of an iron block, and the half baffle 302 is connected with the rotator 307 in an attracting mode.

In this embodiment, because the rotating device is made by the magnetite, therefore the rotation ware will adsorb and fix on half baffle under normal conditions to fixed the connecting rod, further can fix the rotary disk, avoid the carousel to take place the pivoted condition under ventilation or airtight condition.

Example 7:

the embodiment provides a transformer heat dissipation device, which comprises the technical scheme of the embodiment and also has the following technical characteristics: the surface of the rotating disk 305 on the side away from the dust-proof plate 304 is in contact connection with the surface of the half-baffle 302 on the side away from the rotator 307.

In this embodiment, rotary disk and half baffle contact for in rainwater weather, can rotate the rotary disk and make to open half and half baffle contact that has the through-hole, the aperture jam on half with the dust guard reaches confined effect, avoids the entering of rainwater to influence electrical components's normal use.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present application as claimed.

Claims (7)

1. The utility model provides a transformer heat abstractor, includes box (1) and chamber door (2), the surface of box (1) one side runs through and has seted up access hole (6), its characterized in that still includes:

the ventilation assembly (3), the ventilation assembly (3) is arranged on the surface of one side of the box body (1);

the first heat dissipation assembly (4), the first heat dissipation assembly (4) is arranged on the upper surface of the box body (1);

the second heat dissipation assembly (5), the second heat dissipation assembly (5) is arranged on the surface of one side, far away from the ventilation assembly (3), of the box body (1);

the third heat dissipation assembly (7), the third heat dissipation assembly (7) is arranged on the surface of one side, away from the box door (2), of the box body (1);

one side of the box body (1), which is far away from the second heat dissipation assembly (5), is penetrated and provided with a through groove, and the box door (2) is rotatably installed on one side, close to the access hole (6), of the outer portion of the box body (1) through a hinge.

2. A transformer heat sink according to claim 1, characterized in that the third heat sink assembly (7) comprises:

the heat dissipation device comprises a shell (701), a mounting plate (702) and cooling fins (704), wherein the shell (701) is fixedly welded on the surface of the outer side of a box body (1), the cooling fins (704) penetrate through the surface of one side, far away from an access hole (6), of the box body (1) and are fixedly mounted on the surface of one side, far away from the access hole (6), of the box body (1), one side of each cooling fin (704) is in contact connection with the surface of an electrical element inside the box body (1), the other side of each cooling fin (704) extends to the inside of the shell (701), a condensation pipe (705) is mounted inside the shell (701), the surface of each condensation pipe (705) is in contact connection with the surface of each cooling fin (704), two ends of each cooling fin (704) are fixedly connected with a water inlet pipe (706) and a water outlet pipe (707), the mounting plate (702) is fixedly mounted on the surface of one side, far away from the access hole (6), a water pump (703) is fixedly mounted on the upper surface of the mounting plate (702), the output end of the water pump (703) is fixedly connected with the other end of the water inlet pipe (708);

the other ends of the water inlet connecting pipe (708) and the water outlet pipe (707) are communicated with an external water source.

3. The transformer heat sink according to claim 1, wherein the first heat sink assembly (4) comprises:

the mounting frames (401) and the rotating rods (406), two mounting frames (401) are arranged, the two mounting frames (401) are fixedly mounted on the upper surface of the box body (1), a first rotating rod (402) penetrates through and is rotatably mounted between the two mounting frames (401), one end of the first rotating rod (402) is fixedly mounted with a rotating blade (403), the other end of the first rotating rod (402) is fixedly mounted with a first conical tooth (404), the second rotating rod (406) penetrates through and is rotatably mounted on the upper surface of the box body (1), the top end of the second rotating rod (406) is fixedly mounted with a second conical tooth (405), and the bottom end of the second rotating rod (406) is fixedly mounted with a first fan blade (407);

wherein the first conical tooth (404) meshes with the second conical tooth (405).

4. The transformer heat sink according to claim 1, wherein the second heat sink assembly (5) comprises:

motor (501) and safe fender frame (502), safe fender frame (502) fixed welding is in the inside one side of box (1), motor (501) run through fixed mounting in box (1) be close to the one side that safe kept off frame (502), the output fixed mounting of motor (501) has second flabellum (503), second flabellum (503) are located the inside that safe kept off frame (502).

5. A transformer heat sink according to claim 1, characterized in that the ventilation assembly (3) comprises:

the dustproof plate (304) is fixedly installed on one side, close to the through groove, of the interior of the box body (1), the installation ring (301) is fixedly installed on one side, close to the through groove, of the exterior of the box body (1), a rotating groove (303) is formed in the inner side of the installation ring (301), a half baffle (302) is fixedly welded on the surface, far away from one side of the box body (1), of the installation ring (301), a connecting rod (306) is rotatably installed between the half baffle (302) and the dustproof plate (304), one end of the connecting rod (306) penetrates through the surface of the half baffle (302) and is fixedly connected with a rotator (307), and the surface of the connecting rod (306) is fixedly connected with a rotating disc (305);

the rotating disc (305) is clamped on the inner side of the rotating groove (303), the rotating disc (305) is rotatably connected with the rotating groove (303), and a plurality of through holes are formed in the surface of one half of the rotating disc (305) in a penetrating mode at equal intervals.

6. The heat dissipation device of claim 5, wherein: the rotator (307) is made of magnets, the half baffle (302) is made of iron blocks, and the half baffle (302) is connected with the rotator (307) in an attracting mode.

7. The heat dissipation device of claim 5, wherein: the surface of the rotating disc (305) on the side far away from the dust-proof plate (304) is in contact connection with the surface of the semi-baffle plate (302) on the side far away from the rotator (307).

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