CN214279779U

CN214279779U - Small electronic transformer with noise reduction structure

Info

Publication number: CN214279779U
Application number: CN202120443562.9U
Authority: CN
Inventors: 黄永忠; 李蔚; 扶远平
Original assignee: Huizhou Maiwei New Power Technology Co ltd
Current assignee: Huizhou Maiwei New Power Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-09-24
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to a small-size electronic transformer with structure of making an uproar is fallen, including casing and coil, coil one side swing joint has the backup pad, and backup pad one side is rotated through the pivot and is connected with the connecting rod, the connecting rod other end is rotated through the pivot and is connected with the slider, the spout has been seted up to shells inner wall one side, and spout and slider constitution sliding connection. The utility model discloses a constitute elastic expansion structure through buffer spring between slider and the slider, the heat-conducting plate constitutes elastic expansion structure through No. two buffer spring and heating panel, the shake that can make the coil produce alleviates, from the source noise abatement production, it has a plurality of louvres to distribute through the positive equidistance of casing, the vent distributes on casing top and right side, the inside a plurality of explosion-proof packages that are provided with of casing, the wind channel design that advances to go up on the right side makes the hot-air circulation faster, help the heat dissipation, after the casing is impaired breaks, explosion-proof package explodes, the flame can be put out to its inside ammonium dihydrogen phosphate dry powder.

Description

Small electronic transformer with noise reduction structure

Technical Field

The utility model relates to a small-size electronic transformer with structure of making an uproar falls belongs to electronic transformer technical field.

Background

The electronic transformer is an AC-DC-AC inverter circuit, which is composed of magnetic core and two or more coils, whose positions do not change each other, and is characterized by that the AC power is converted into AC voltage and current by means of electromagnetic induction action in one or more than two electric circuits, and at the output end of the high-frequency transformer, one or more than two electric circuits are supplied with high-frequency AC or DC power with different voltage grades.

The existing electronic transformer has the problem of noise during working, particularly when the electronic transformer is used on a household appliance, people are prone to being interfered for rest, the electronic transformer is serious in internal heating during working, poor ventilation or overload working is prone to causing overheating or fire, and therefore the small electronic transformer with the noise reduction structure is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a small-size electronic transformer with structure of making an uproar is fallen, the utility model discloses can alleviate the noise influence of electronic transformer during operation, and the radiating effect is good, avoids arousing unexpected overheated or conflagration, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a small-size electronic transformer with structure of making an uproar is fallen, includes casing and coil, coil one side swing joint has the backup pad, and backup pad one side rotates through the pivot and is connected with the connecting rod, the connecting rod other end rotates through the pivot and is connected with the slider, shells inner wall one side has seted up the spout, and spout and slider constitute sliding connection to fixedly connected with buffer spring between slider and the slider, the vent has been seted up to the casing link up, coil top swing joint has the heat-conducting plate, and heat-conducting plate upper end fixed mounting has a plurality of telescopic links to the telescopic link outer wall has cup jointed buffer spring No. two, the casing outer wall is inlayed and is had a plurality of heating panels, and heating panel and telescopic link constitute fixed connection.

Furthermore, an elastic telescopic structure is formed between the sliding block and the sliding block through a first buffer spring, and the heat conducting plate and the heat radiating plate form an elastic telescopic structure through a second buffer spring.

Furthermore, a plurality of heat dissipation holes are equidistantly distributed in the front face of the shell, the ventilation openings are distributed in the top end and the right side of the shell, and the air channel in the shell is arranged in a right-in and right-out mode.

Furthermore, the shell is connected with a plurality of sound insulation cotton in a gluing mode, and a plurality of explosion-proof bags are arranged inside the shell.

Further, the coil includes the copper line cover, copper line cover bottom fixed mounting has a plurality of pins, and the pin extends to the casing outside, copper line cover outside is provided with fixed frame.

Further, the shell outer wall is provided with a groove, a limiting spring is fixedly mounted on one side of the groove inner wall, and a limiting block is fixedly connected to one end of the limiting spring.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a constitute the elastic expansion structure through buffer spring between slider and the slider, the heat-conducting plate constitutes the elastic expansion structure through buffer spring No. two and heating panel, the inside veneer of casing is connected with a plurality of soundproof cotton, can make the shake that the coil produced alleviate through buffer spring and buffer spring's cushioning effect No. two, reduce the noise production from the source, soundproof cotton and heating panel cooperation further reduce the noise that the coil produced;

2. the utility model discloses a positive equidistance of casing distributes and has a plurality of louvres, and the vent distributes on casing top and right side, and the inside wind channel of casing adopts the right side to advance to go out, and the casing is inside to be provided with a plurality of explosion-proof packages, and the wind channel design that the right side was advanced to go out makes the hot-air circulation faster, helps the heat dissipation, after the casing is impaired to break, explosion-proof package explodes, and the flame can be put out to its inside monoammonium phosphate dry powder.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

Reference numbers in the figures: 1. a housing; 101. a chute; 102. sound insulation cotton; 103. heat dissipation holes; 104. a groove; 105. a limiting spring; 106. a limiting block; 2. a coil; 201. a copper wire sleeve; 202. a pin; 203. a fixing frame; 3. a support plate; 4. a connecting rod; 5. a slider; 6. a first buffer spring; 7. a vent; 8. a heat conducting plate; 9. a telescopic rod; 10. a second buffer spring; 11. a heat dissipation plate; 12. an explosion-proof bag.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, a small-size electronic transformer with structure of making an uproar is fallen, including casing 1 and coil 2, coil 2 one side swing joint has backup pad 3, and backup pad 3 one side is rotated through the pivot and is connected with connecting rod 4, the connecting rod 4 other end is rotated through the pivot and is connected with slider 5, spout 101 has been seted up to casing 1 inner wall one side, and spout 101 and slider 5 constitute sliding connection, and fixedly connected with buffer spring 6 No. one between slider 5 and the slider 5, casing 1 link up and has seted up vent 7, coil 2 top swing joint has heat-conducting plate 8, and heat-conducting plate 8 upper end fixed mounting has a plurality of telescopic links 9, and telescopic link 9 outer wall has cup jointed No. two buffer spring 10, casing 1 outer wall is inlayed and has a plurality of heating panels 11, and heating panel 11 and telescopic link 9 constitute fixed connection.

As shown in fig. 1, an elastic expansion structure is formed between the slider 5 and the slider 5 by the first buffer spring 6, the heat conducting plate 8 forms an elastic expansion structure by the second buffer spring 10 and the heat dissipating plate 11, and after the coil 2 is powered on, noise is generated due to frequent jitter, and the jitter generated by the coil 2 is reduced by the buffering action of the first buffer spring 6 and the second buffer spring 10, so that the noise is reduced from the source.

As shown in fig. 1 and 2, the front surface of the housing 1 of this embodiment has a plurality of heat dissipation holes 103 at equal intervals, the vent 7 is distributed on the top end and the right side of the housing 1, and the air duct inside the housing 1 adopts the right inlet and outlet, when the transformer works, a large amount of heat is generated inside the housing 1, the heat dissipation holes 103 help the hot air to circulate out, the cold air enters from the right vent 7, the hot air flows out from the top vent 7, and the air duct design of the right inlet and outlet makes the hot air circulate faster.

As shown in fig. 1, a plurality of soundproof cotton 102 are glued inside the housing 1 of the embodiment, and a plurality of explosion-proof bags 12 are arranged inside the housing 1, the soundproof cotton 102 and the heat dissipation plate 11 cooperate to further reduce noise generated by the coil 2, when the transformer is in overload operation, a fire may be caused inside the transformer, when the housing 1 is damaged and broken, the explosion-proof bags 12 are exploded, and ammonium dihydrogen phosphate dry powder inside the housing can extinguish the fire.

As shown in fig. 1, the coil 2 of this embodiment includes the copper wire cover 201, and fixed mounting has a plurality of pins 202 bottom the copper wire cover 201, and the pin 202 extends to the casing 1 outside, and the copper wire cover 201 outside is provided with fixed frame 203, and the pin 202 of coil 2 extends to the casing 1 outside, makes things convenient for the installation of transformer, during the assembly with coil 2 top tight telescopic link 9, the backup pad 3 clamp tight coil 2 both sides can.

As shown in fig. 3, the outer wall of the housing 1 of the embodiment is provided with a groove 104, and one side of the inner wall of the groove 104 is fixedly provided with a limiting spring 105, one end of the limiting spring 105 is fixedly connected with a limiting block 106, the coil 2 abuts against the limiting block 106, the limiting spring 105 is compressed to enter the groove 104 until the coil 2 is installed in place, the limiting block 106 is restored to the original position to clamp the coil 2, the fixation is completed, and the coil 2 can be taken out by pressing the limiting block 106 during the disassembly.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model discloses the theory of operation: when the transformer is used, the coil 2 is propped against the limiting block 106, the limiting spring 105 is compressed to enter the groove 104, the coil 2 is propped against the telescopic rod 9, the two sides of the coil 2 are clamped by the supporting plate 3, after the coil 2 is installed in place, the limiting block 106 returns to the original position to clamp the coil 2, the fixation is completed, noise is generated due to frequent vibration after the coil 2 is electrified, vibration generated by the coil 2 is reduced through the buffering action of the first buffering spring 6 and the second buffering spring 10, the noise generation is reduced from the source, the noise generated by the coil 2 is further reduced through the matching of the soundproof cotton 102 and the heat dissipation plate 11, when the transformer works, a large amount of heat is generated inside the shell 1, the heat dissipation holes 103 are beneficial to the circulation of hot air, cold air enters from the right side vent 7, the hot air flows out from the top vent 7, the air channel design of the right inlet and the outlet enables the hot air to circulate faster, and when the transformer works under an overload, a fire disaster may be caused inside, after casing 1 is impaired to break, explosion-proof package 12 explodes, and flame can be put out to its inside ammonium dihydrogen phosphate dry powder, and coil 2 damages to push down stopper 106 when needing to be changed and can take out coil 2, the utility model discloses can alleviate the noise influence of electronic transformer during operation, and the radiating effect is good, avoids arousing unexpected overheated or conflagration.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A small-size electronic transformer with structure of making an uproar is fallen, includes casing (1) and coil (2), its characterized in that: one side of the coil (2) is movably connected with a supporting plate (3), one side of the supporting plate (3) is rotatably connected with a connecting rod (4) through a rotating shaft, the other end of the connecting rod (4) is rotationally connected with a sliding block (5) through a rotating shaft, one side of the inner wall of the shell (1) is provided with a sliding chute (101), and the sliding chute (101) and the sliding block (5) form sliding connection, a first buffer spring (6) is fixedly connected between the sliding block (5) and the sliding block (5), a ventilation opening (7) is arranged in the shell (1) in a penetrating way, the top end of the coil (2) is movably connected with a heat conducting plate (8), a plurality of telescopic rods (9) are fixedly arranged at the upper end of the heat conducting plate (8), and telescopic link (9) outer wall cup joints No. two buffer spring (10), casing (1) outer wall is inlayed and is had a plurality of heating panels (11), and heating panel (11) and telescopic link (9) constitution fixed connection.

2. A small-sized electronic transformer with noise reduction structure according to claim 1, characterized in that: an elastic telescopic structure is formed between the sliding block (5) and the sliding block (5) through a first buffer spring (6), and an elastic telescopic structure is formed between the heat conducting plate (8) and the heat radiating plate (11) through a second buffer spring (10).

3. A small-sized electronic transformer with noise reduction structure according to claim 1, characterized in that: a plurality of heat dissipation holes (103) are equidistantly distributed in the front face of the shell (1), the ventilation openings (7) are distributed in the top end and the right side of the shell (1), and an air channel in the shell (1) is arranged in a right-in and right-out mode.

4. A small-sized electronic transformer with noise reduction structure according to claim 1, characterized in that: the shell (1) is connected with a plurality of soundproof cotton (102) in a gluing mode, and a plurality of explosion-proof bags (12) are arranged inside the shell (1).

5. A small-sized electronic transformer with noise reduction structure according to claim 1, characterized in that: coil (2) include copper wire cover (201), copper wire cover (201) bottom fixed mounting has a plurality of pins (202), and pin (202) extend to casing (1) outside, copper wire cover (201) outside is provided with fixed frame (203).

6. A small-sized electronic transformer with noise reduction structure according to claim 1, characterized in that: the outer wall of the shell (1) is provided with a groove (104), a limiting spring (105) is fixedly mounted on one side of the inner wall of the groove (104), and one end of the limiting spring (105) is fixedly connected with a limiting block (106).