CN219575327U

CN219575327U - Miniature transformer

Info

Publication number: CN219575327U
Application number: CN202320277945.2U
Authority: CN
Inventors: 李吉
Original assignee: Nanjing Weiyinda Technology Co ltd
Current assignee: Nanjing Weiyinda Technology Co ltd
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-08-22
Anticipated expiration: 2033-02-22

Abstract

The utility model relates to the technical field of transformers, and discloses a miniature transformer. The utility model comprises a radiator shell, wherein a motor is fixedly arranged in the top end of the radiator shell, a motor fixing plate is arranged at the lower end of the motor, a rotary connecting rod is arranged in the motor fixing plate, a rotary shell is arranged at one end of the rotary connecting rod, rotary plates are welded at two sides of the lower surface of the rotary shell, mounting cavities are formed at the upper end and the lower end of the interior of the rotary plate, a fan fixing rod, a cooling fan and a power supply unit are arranged in the mounting cavities, a transformer connecting bottom plate is arranged on the lower surface of the radiator shell, a transformer supporting base, a miniature transformer and cooling fins are arranged on the upper surface of the transformer connecting bottom plate, and when the transformer works, the flow of air is accelerated along with the rotation of the cooling fan, heat emitted by the cooling fins is taken away, the damage of the heat to the miniature transformer is reduced, and the working efficiency and the service life of the miniature transformer are ensured.

Description

Miniature transformer

Technical Field

The utility model belongs to the technical field of transformers, and particularly relates to a miniature transformer.

Background

The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc. With the development of power technology, the transformer is applied more and more widely, and gradually moves to miniaturization and multifunction.

As disclosed in bulletin number CN208208484U, a miniature transformer comprises a mounting base and a magnetic core; the mounting seat comprises an E-shaped first sub seat and a E-shaped second sub seat, and the first sub seat and the second sub seat both comprise an inserting block and assembling blocks positioned at two sides of the inserting block; the two ends of the magnetic core are fixedly provided with mounting blocks, one side of the mounting blocks, which is far away from the magnetic core, is provided with slots matched with the inserting blocks for the inserting blocks to be inserted, and a gap for accommodating coils is arranged between the inserting blocks and the assembling blocks; the lower part of the mounting seat is fixedly provided with a connecting pin connected with the circuit board, and the coil is electrically connected with the connecting pin through a connecting wire. When assembling the transformer, firstly, after the wire is wound on the magnetic core to form a coil, the inserting blocks on the first sub-seat and the second sub-seat are respectively inserted into the inserting grooves on the installing blocks at two ends of the magnetic core, so that the magnetic core is installed on the installing seat, when the transformer is installed, the installing seat is fixed on the circuit board, and the winding of the wire and the installation of the magnetic core are convenient and fast.

But the transformer can only dissipate heat naturally, resulting in slower heat dissipation, thereby reducing the working efficiency and the service life of the transformer.

Disclosure of Invention

The utility model aims at: in order to solve the problem of poor heat dissipation performance of the proposed transformer, a miniature transformer is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a miniature transformer, includes the radiator shell, the inside fixed mounting in middle of radiator shell top has the motor, the motor fixed plate is installed to the lower extreme of motor, the inside grafting of motor fixed plate has the swivelling joint pole to be connected with the motor, the one end that keeps away from the motor of swivelling joint pole is provided with swivel housing, the welding of the relative both sides of swivel housing lower surface has the rotor plate, the installation cavity has been seted up at the inside upper and lower both ends of rotor plate, and the inside fixed mounting in installation cavity has the fan dead lever, radiator fan is installed to the centre on the surface of fan dead lever, is provided with the power supply unit in the inside fixed in installation cavity, and the power supply unit is connected with the radiator fan electricity, the lower surface of radiator shell is provided with the transformer connection bottom plate, the welding has the transformer to support the base in the middle of the upper surface of transformer connection bottom plate, the upper surface fixed mounting of transformer support base has miniature transformer, miniature transformer relative both sides are provided with the fin.

Through adopting above-mentioned technical scheme, when the device begins to operate, miniature transformer can produce the heat, the heat can be transmitted to the fin in, because the characteristic of fin can be with the slow transmission of heat in the air, the motor can start simultaneously, drive the swivelling joint pole immediately and rotate, because the fixed effect of motor fixed plate, the swivelling joint pole can drive the swivel housing and cause the swivel plate to rotate around miniature transformer, radiator fan in the swivel plate begins to work simultaneously, because radiator fan's work, the circulation of air has been accelerated, can make the heat that the fin diverged in the air can be taken away, the heat that produces in the miniature transformer work is constantly taken away, realized the omnidirectional heat dissipation to miniature transformer, the radiating efficiency has been improved, the damage of heat to miniature transformer has been reduced, miniature transformer work efficiency and life have been ensured.

In a preferred embodiment, the lower ends of the outer surfaces of the two sides of the radiator shell are provided with radiator fixing connecting plates, the inner threads of the upper end and the lower end of each radiator fixing connecting plate are connected with fixing bolts, the outer surfaces of the same sides of the radiator shell and the transformer connecting bottom plate are provided with fixing screw holes corresponding to the fixing bolts, and the fixing bolts penetrate through the radiator fixing connecting plates and are in threaded connection with the inner parts of the fixing screw holes.

Through adopting above-mentioned technical scheme, when need maintaining the clearance to the transformer, break away from fixed screw through rotatory fixing bolt, radiator shell can be with transformer connection bottom plate separation now to by detaching, when maintenance clearance is accomplished, rotatory fixing bolt is in to fixed screw, can fix fixed screw and transformer connection bottom plate, has increased the stability of device and the convenience of dismantlement.

In a preferred embodiment, holes for installing connecting wires are formed in the positions, corresponding to the miniature transformers, of the transformer connecting bottom plate.

By adopting the technical scheme, the miniature transformer can be conveniently installed in a wiring way.

In a preferred embodiment, fan dustproof nets are arranged on two opposite sides of the installation cavity corresponding to the cooling fan.

Through adopting above-mentioned technical scheme, the entering that can effectually reduce the dust of fan dust screen for radiator fan can not lead to work efficiency's decline because of the accumulation of dust.

In a preferred embodiment, the outer surface of the micro-transformer is bonded with an insulating tape.

By adopting the technical scheme, the miniature transformer can be protected, and damage to the device caused by electric leakage is also prevented.

In a preferred embodiment, a gap is provided between the bottom end of the rotating plate and the upper surface of the transformer connecting base plate.

By adopting the technical scheme, the rotation of the rotating plate is not affected, and the heat dissipation work can be better performed.

In a preferred embodiment, a non-slip spacer is provided between the fixing bolt and the outside of the radiator fixing connection plate.

By adopting the technical scheme, the stability of the fixing bolt on the fixing connection plate of the radiator is improved.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: when the device starts to work, the miniature transformer can generate heat, the heat can be transferred into the radiating fins, the heat can be slowly transferred into the air due to the characteristics of the radiating fins, the motor can be synchronously started to immediately drive the rotary connecting rod to rotate, the rotary connecting rod can drive the rotary shell to enable the rotary plate to rotate around the miniature transformer due to the fixed effect of the motor fixing plate, meanwhile, the cooling fan in the rotary plate starts to work, the circulation of air is accelerated due to the work of the cooling fan, the heat emitted by the radiating fins in the air can be taken away, the heat generated in the work of the miniature transformer is continuously taken away, the omnidirectional heat dissipation of the miniature transformer is realized, the heat dissipation efficiency is improved, the damage of the heat to the miniature transformer is reduced, and the work efficiency and the service life of the miniature transformer are ensured.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a micro-transformer according to the present utility model;

FIG. 2 is a schematic diagram of a cross-sectional overall structure of a micro-transformer according to the present utility model;

FIG. 3 is a schematic diagram of the overall structure of a cooling fan according to the present utility model;

fig. 4 is a schematic view of the overall structure of the fixing connection board of the radiator in the present utility model.

The marks in the figure: 1. a radiator housing; 2. rotating the housing; 3. a rotating plate; 4. a fan dust screen; 5. a micro transformer; 6. a transformer support base; 7. a heat sink; 8. a heat radiation fan; 9. a fan fixing rod; 10. a motor; 11. a motor fixing plate; 12. the transformer is connected with the bottom plate; 13. a radiator fixing connection plate; 14. a fixing bolt; 15. fixing the screw holes; 16. rotating the connecting rod; 17. a mounting cavity.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a micro-transformer comprises a radiator housing 1, a motor 10 is fixedly installed in the middle of the inside of the top end of the radiator housing 1, a motor fixing plate 11 is installed at the lower end of the motor 10, a rotary connecting rod 16 is inserted into the motor fixing plate 11 and connected with the motor 10, one end of the rotary connecting rod 16 far away from the motor 10 is provided with a rotary housing 2, two opposite sides of the lower surface of the rotary housing 2 are welded with a rotary plate 3, the upper and lower ends of the inside of the rotary plate 3 are provided with mounting cavities 17, a fan fixing rod 9 is fixedly installed in the inside of the mounting cavities 17, a cooling fan 8 is installed in the middle of the surface of the fan fixing rod 9, a transformer connecting bottom plate 12 is arranged on the lower surface of the radiator housing 1, a transformer supporting base 6 is welded in the middle of the upper surface of the transformer connecting bottom plate 12, a micro-transformer 5 is fixedly installed on the upper surface of the transformer supporting base 6, heat is transferred into the rotary plate 7, and when the device begins to work, the micro-transformer 5 can generate heat, the heat can be transferred into the rotary plate 7, the heat can be slowly transferred into the motor to the motor, the motor is slowly and the rotary plate 10 is driven by the rotary plate 10 to rotate around the rotary plate 5, the rotary plate 5 can not rotate around the rotary plate 5, the heat can be taken away by the rotary plate 5, the heat can be completely and the heat can be completely driven by the rotary plate 5, and the rotary plate is completely and the heat can be completely driven by the rotary plate 5, and the rotary plate 5 can be completely driven by the rotary plate 5, and the rotary plate is completely and the rotary plate 5 because of the rotary plate is completely and the rotary plate is completely driven by the rotary plate 5, and the rotary plate is completely and the rotary plate 5 because of the rotary plate is driven and the rotary plate is driven and the heat can is completely and the heat can and the heat is completely and the heat 5 and the heat can and the 5 and the, the heat dissipation efficiency is improved, the damage of heat to the micro-transformer 5 is reduced, and the working efficiency and the service life of the micro-transformer 5 are ensured.

Referring to fig. 4, the lower ends of the outer surfaces of the two sides of the radiator housing 1 are provided with a radiator fixing connection plate 13, the inner threads of the upper end and the lower end of the radiator fixing connection plate 13 are connected with fixing bolts 14, the outer surfaces of the same sides of the radiator housing 1 and the transformer connection bottom plate 12 are provided with fixing screw holes 15 corresponding to the fixing bolts 14, the fixing bolts 14 penetrate through the radiator fixing connection plate 13 to be connected with the inner parts of the fixing screw holes 15 in a threaded manner, when the transformer needs to be maintained and cleaned, the radiator housing 1 can be separated from the transformer connection bottom plate 12 through rotating the fixing bolts 14, so that the radiator housing 1 is detached from the transformer connection bottom plate 12, and when the maintenance and cleaning are finished, the fixing bolts 14 are rotated into the fixing screw holes 15, the fixing screw holes 15 and the transformer connection bottom plate 12 can be fixed, so that the stability of the device and the convenience of disassembly are improved.

Referring to fig. 1-2, holes for installing connecting wires are formed in the positions of the transformer connecting bottom plate 12 corresponding to the micro-transformers 5, so that the micro-transformers 5 can be conveniently installed in a wiring manner.

Referring to fig. 1 to 3, the fan dust screen 4 is provided at opposite sides of the installation cavity 17 corresponding to the cooling fan 8, and the fan dust screen 4 can effectively reduce the entry of dust, so that the cooling fan 8 can not cause a decrease in working efficiency due to the accumulation of dust.

Referring to fig. 1-2, an insulating tape is adhered to the outer surface of the micro-transformer 5, so that the micro-transformer 5 can be protected, and damage to the device caused by electric leakage is prevented.

Referring to fig. 1-2, a gap is provided between the bottom end of the rotating plate 3 and the upper surface of the transformer connection base plate 12, so that the rotation of the rotating plate 3 is not affected, and the heat dissipation operation can be performed better.

Referring to fig. 4, an anti-slip spacer is provided between the outer sides of the fixing bolts 14 and 13 of the radiator fixing connection plate, increasing the stability of the fixing bolts to the fixing of the radiator fixing connection plate.

The implementation principle of the embodiment of the miniature transformer is as follows: when the device starts to work, the miniature transformer 5 can generate heat, the heat can be transferred into the radiating fins 7, the heat can be slowly transferred into the air due to the characteristics of the radiating fins 7, the motor 10 can be synchronously started and then drives the rotary connecting rod 16 to rotate, the rotary connecting rod 16 can drive the rotary shell 2 to enable the rotary plate 3 to rotate around the miniature transformer 5 due to the fixing effect of the motor fixing plate 11, meanwhile, the radiating fan 8 in the rotary plate 3 starts to work, and the circulation of air is accelerated due to the work of the radiating fan 8, so that the heat emitted by the radiating fins 7 in the air can be taken away, the heat generated in the work of the miniature transformer 5 is continuously taken away, the omnidirectional heat dissipation of the miniature transformer 5 is realized, the heat dissipation efficiency is improved, the damage of the heat to the miniature transformer 5 is reduced, and the work efficiency and the service life of the miniature transformer 5 are ensured.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A miniature transformer comprising a radiator housing (1), characterized in that: the utility model discloses a radiator, including radiator shell (1), motor (10) are installed to inside centre fixed mounting in radiator shell (1), motor fixed plate (11) are installed to the lower extreme of motor (10), the inside rotation of motor fixed plate (11) is connected with swivelling joint pole (16) that are connected with motor (10), the one end that keeps away from motor (10) of swivelling joint pole (16) is provided with swivel case (2), the welding of the relative both sides of swivel case (2) lower surface has rotor plate (3), install cavity (17) are seted up at the inside upper and lower both ends of rotor plate (3), and install the inside fixed mounting in cavity (17) fan dead lever (9), radiator fan (8) are installed in the centre of the surface of fan dead lever (9), and the inside fixed power supply unit that is provided with in installation cavity (17) is connected with radiator fan (8) electricity, the lower surface of radiator shell (1) is provided with transformer connection bottom plate (12), the welding has transformer support base (6) in the middle of the upper surface of transformer connection bottom plate (12), transformer support base (6), the inside of transformer support base (6) has miniature transformer (5) fixed surface mounting (5), miniature transformer (5) are installed to miniature transformer (5).

2. A miniature transformer as set forth in claim 1, wherein: the lower extreme of radiator shell (1) both sides surface is provided with radiator fixed connection board (13), the inside threaded connection in upper and lower both ends of radiator fixed connection board (13) has fixing bolt (14), fixed screw (15) corresponding with fixing bolt (14) are seted up with the surface of transformer connection bottom plate (12) homonymy in radiator shell (1), fixing bolt (14) run through radiator fixed connection board (13) threaded connection in the inside of fixed screw (15).

3. A miniature transformer as set forth in claim 1, wherein: holes for installing connecting wires are formed in positions, corresponding to the miniature transformer (5), of the transformer connecting bottom plate (12).

4. A miniature transformer as set forth in claim 1, wherein: the fan dustproof net (4) is arranged on two opposite sides of the installation cavity (17) corresponding to the cooling fan (8).

5. A miniature transformer as set forth in claim 1, wherein: an insulating tape is adhered to the outer surface of the miniature transformer (5).

6. A miniature transformer as set forth in claim 1, wherein: a gap is arranged between the bottom end of the rotating plate (3) and the upper surface of the transformer connecting bottom plate (12).

7. A miniature transformer as defined in claim 2, wherein: an anti-slip gasket is arranged between the fixing bolt (14) and the outer side of the radiator fixing connecting plate (13).