CN219575377U

CN219575377U - Anti-interference transformer

Info

Publication number: CN219575377U
Application number: CN202320594900.8U
Authority: CN
Inventors: 李红林
Original assignee: Yueqing Baiyi Electronics Co ltd
Current assignee: Yueqing Baiyi Electronics Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-22
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to an anti-interference transformer which comprises a transformer body, a shielding base, a shielding box body, a shielding top cover and a fixing piece, wherein the transformer body is detachably arranged on the shielding base, a guide protrusion is arranged on the shielding base, a matching hole matched with the shape of the fixing piece is formed in the side part of the guide protrusion, a guide groove matched with the guide protrusion is formed in the bottom of the shielding box body, the fixing hole is formed in the shielding box body and extends to the guide groove, the fixing piece penetrates through the fixing hole and the matching hole to form the fixation of the shielding box body and the shielding base, a fixing mechanism for fixing the shielding box body and the shielding top cover is arranged between the shielding box body and the shielding top cover, and a heat dissipation hole is formed in the shielding box body and the shielding top cover. The utility model provides an anti-interference transformer with a shielding shell easy to install and detach.

Description

Anti-interference transformer

Technical Field

The utility model relates to a transformer, in particular to an anti-interference 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. In electrical equipment and wireless circuits, it is often used as a step-up voltage, a matching impedance, a safety isolation, etc. In a generator, an electrical potential is induced in the coil, whether the coil is moved through a magnetic field or a magnetic field is moved through a stationary coil. In both cases, the value of the magnetic flux is unchanged, but the amount of the magnetic flux crossing the coil varies, which is the principle of mutual induction. A transformer is a device that converts voltage, current and impedance using electromagnetic mutual induction.

When the transformer is in strong magnetic scene, receive the influence of magnetic field easily, thereby adopt at present to set up shielding shell in the transformer outside and avoid the influence of magnetic field to the transformer, but install the complex loaded down with trivial details of process in shielding shell with the transformer, when the needs are overhauld, shielding shell's dismantlement is inconvenient, and shielding shell's setting makes the heat dispersion of transformer poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an anti-interference transformer with a shielding shell easy to install and disassemble.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including transformer body, shielding base, shielding box, shielding top cap and mounting, transformer body detachable sets up in shielding base, be provided with the direction arch on the shielding base, the protruding lateral part of direction is provided with the mating hole with mounting shape looks adaptation, shielding bottom half is provided with the guide groove with the protruding looks adaptation of direction, be provided with fixed orifices and fixed orifices on the shielding box and extend to the guide groove, the mounting passes the fixed of fixed orifices and mating hole constitution shielding box and shielding base, be provided with the fixed establishment fixed with shielding box and shielding top cap between shielding box and the shielding top cap, be provided with the louvre on shielding box and the shielding top cap, the shielding base is fixed in the mode of transformer body accessible bolt, the mounting can be the screw.

Through adopting above-mentioned technical scheme, when the installation, fix the transformer body on shielding base earlier, then aim at the direction arch with the guide groove of shielding box, make the direction arch get into in the guide groove, until shielding base offsets with shielding bottom of the case portion, afterwards pass the fixed orifices earlier with the mounting, reach the mating holes again, thereby reach the fixed to shielding base and shielding box, the rethread fixed establishment is fixed shielding box and shielding top cap, thereby constitute shielding shell by shielding base, shielding box and shielding top cap and reach the shielding effect to the transformer body, and this shielding shell dismantles easily, the setting of louvre then makes the heat that the transformer body produced in time give off, can not cause the accumulation of heat, influence the normal work of transformer body.

The utility model is further provided with: the fixed mechanism comprises a moving block and a fixed spring, wherein a moving groove for the moving block to move is formed in the side part of the shielding top cover, the fixed spring is arranged between the bottom of the moving groove and the moving block and drives the moving block to move outwards of the moving groove, a fixed block is arranged on the other side of the moving block, which is opposite to the fixed spring, of the moving block, a fixed groove matched with the shape of the fixed block is formed in the shielding box, a control part positioned outside the shielding box is arranged on the control part, a control block is arranged on the control part and is positioned above the fixed block, a fixed state and a moving state are formed between the shielding box and the shielding top cover by the moving block, the fixed state is that part of the fixed block is positioned outside the moving groove and is positioned in the fixed groove, the moving state is that the fixed block is positioned in the moving groove, a shielding cavity for the shielding top cover to move is formed in the shielding box, a limiting ring positioned on a moving track of the shielding top cover is arranged in the shielding box, when the shielding top cover is propped against the limiting ring, and the fixed block is positioned in the shielding box, and the control block is positioned outside the shielding box.

Through adopting above-mentioned technical scheme, when needs install shielding top cap in shielding box, through pressing the control block, make the movable block inwards remove, thereby make the fixed block remove in the recess that removes, until all fixed blocks get into in the recess that removes, then slide the shielding top cap into shielding box, until shielding top cap offsets with the spacing ring, the fixed block is in shielding box this moment, the control block is located shielding box outside, then release the control block, under fixing spring's effect, the movable block outwards removes, thereby make fixed block part get into the fixed slot, reach the fixed of shielding top cap and shielding box, when needs dismantlement, can control the fixed block and shift out from the fixed slot through pressing the control block, contact shielding top cap and shielding box's fixed, this mode easy operation need not other tools, when only using simple inspection, directly tear down the shielding top cap, the operation is few.

The utility model is further provided with: the other side of the control block opposite to the moving block is provided with an arc-shaped bulge.

The utility model is further provided with: the number of the fixing mechanisms is two and the fixing mechanisms are respectively arranged at the side part of the shielding top cover.

The utility model is further provided with: the shielding base is rectangular, and the number of the guide protrusions is multiple and is respectively arranged at the corners of the shielding base.

The utility model is further provided with: the two sides of the shielding box body are respectively provided with a wire inlet and a wire outlet, and a through hole can be formed in the shielding base for the pins of the transformer body of a part of models to pass through.

Through adopting above-mentioned technical scheme, when the installation shielding box, with wire and wire export and transformer body coupling through wire import earlier, with shielding box and shielding base are fixed again.

Drawings

FIG. 1 is an exploded view of the overall utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a cross-sectional view of the entirety of the present utility model;

fig. 4 is a partial enlarged view a of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-4, the utility model discloses an anti-interference transformer, which comprises a transformer body 1, a shielding base 2, a shielding box 3, a shielding top cover 4 and a fixing piece, wherein the transformer body 1 is detachably arranged on the shielding base 2, a guide protrusion 21 is arranged on the shielding base 2, a matching hole 211 matched with the shape of the fixing piece is arranged on the side part of the guide protrusion 21, a guide groove 31 matched with the guide protrusion 21 is arranged at the bottom of the shielding box 3, a fixing hole 311 is arranged on the shielding box 3 and extends to the guide groove 31, the fixing piece passes through the fixing hole 311 and the matching hole 211 to form the fixing of the shielding box 3 and the shielding top cover 2, a fixing mechanism 5 for fixing the shielding box 3 and the shielding top cover 4 is arranged between the shielding box 3 and the shielding top cover 4, the shielding box 3 and the shielding top cover 4 are fixed, the shielding base 2 is fixed on the transformer body 1 by bolts, the fixing piece can be screws, when the transformer body 1 is fixed on the shielding base 2, then the guide protrusion 3 is aligned with the guide protrusion 21, the guide groove 311 is arranged on the shielding box 3, the guide protrusion 21 is matched with the shielding top cover 2, the heat dissipation hole is easily generated in the fixing mechanism 3, and the shielding top cover 2 is matched with the shielding top cover 2, the heat dissipation hole is easily generated by the fixing mechanism 3 and the shielding top cover 2 is reached to the fixing hole 3, and the heat dissipation device is easily removed from the shielding top cover 2, and the shielding top cover 2 is fixed by the fixing mechanism 3 and the shielding top cover 2, and the heat dissipation device is fixed by the fixing hole 3 and the shielding top cover 2 through the fixing hole 3 and the fixing device through the fixing hole and the fixing device, and the heat dissipation device. The heat accumulation can not be caused, and the normal operation of the transformer body 1 is affected.

The fixing mechanism 5 comprises a moving block 51 and a fixing spring 52, a moving groove 53 for the moving block 51 to move is arranged on the side part of the shielding top cover 4, the fixing spring 52 is arranged between the bottom of the moving groove 53 and the moving block 51 and drives the moving block 51 to move outwards of the moving groove 53, a fixing block 54 is arranged on the other side of the moving block 51 relative to the fixing spring 52, a fixing groove 541 which is matched with the fixing block 54 in shape is arranged on the shielding box 3, the moving block 51 is provided with a control part 511 which is arranged outside the shielding box 3, a control block 55 is arranged on the control part 511 and is positioned above the fixing block 54, the moving block 51 enables a fixing state and a moving state to be arranged between the shielding box 3 and the shielding top cover 4, the fixing state is that part of the fixing block 54 is arranged outside the moving groove 53 and is positioned in the fixing groove 541, the moving state is that the fixing block 54 is positioned in the moving groove 53, the shielding box 3 is internally provided with a shielding cavity 32 for moving the shielding top cover 4, the shielding box 3 is internally provided with a limiting ring 56 positioned on the moving track of the shielding top cover 4, when the shielding top cover 4 is propped against the limiting ring 56, the fixed block 54 is positioned in the shielding box 3, the control block 55 is positioned outside the shielding box 3, when the shielding top cover 4 is required to be installed in the shielding box 3, the moving block 51 moves inwards by pressing the control block 55, so that the fixed block 54 moves towards the moving groove 53 until all the fixed blocks 54 enter the moving groove 53, then the shielding top cover 4 slides into the shielding box 3 until the shielding top cover 4 is propped against the limiting ring 56, at this time, the fixed block 54 is positioned in the shielding box 3, the control block 55 is positioned outside the shielding box 3, then the control block 55 is released, the moving block 51 moves outwards under the action of the fixed spring 52, so that the fixed block 54 partially enters the fixed groove 541, the fixing of the shielding top cover 4 and the shielding box body 3 is achieved, when the shielding top cover 4 and the shielding box body 3 are required to be detached, the fixing block 54 can be controlled to be moved out of the fixing groove 541 by pressing the control block 55, and the shielding top cover 4 and the shielding box body 3 are contacted and fixed.

The opposite side of the control block 55 relative to the moving block 51 is provided with arc-shaped protrusions 551, the number of the fixing mechanisms 5 is two, the side parts of the shielding top cover 4 are respectively arranged, the shielding base 2 is rectangular, and the number of the guide protrusions 21 is multiple and is respectively arranged at the corners of the shielding base 2.

The two sides of the shielding box body 3 are respectively provided with a wire inlet 33 and a wire outlet 34, and also can be provided with perforations on the shielding base 2 for the pins of the transformer body 1 of partial model to pass through, when the shielding box body 3 is installed, the wires are connected with the transformer body 1 through the wire inlet 33 and the wire outlet 34, and then the shielding box body 3 is fixed with the shielding base 2.

The fixing elements are not shown in the figures.

The specific embodiment is as follows: before installation, the lead is connected with the transformer body 1 through the lead inlet 33 and the lead outlet 34, then the transformer body 1 is fixed on the shielding base 2, then the guide groove 31 of the shielding box 3 is aligned with the guide protrusion 21, the guide protrusion 21 enters the guide groove 31 until the shielding base 2 abuts against the bottom of the shielding box 3, then the fixing piece firstly passes through the fixing hole 311 and then reaches the matching hole 211, thereby fixing the shielding base 2 and the shielding box 3, then the moving block 51 moves inwards through pressing the control block 55, so that the fixing block 54 moves inwards to the moving groove 53, until all the fixing blocks 54 enter the moving groove 53, then the shielding top cover 4 slides into the shielding box 3 until the shielding top cover 4 abuts against the limiting ring 56, at this time, the fixing block 54 is positioned in the shielding box 3, the control block 55 is positioned outside the shielding box 3, then the control block 55 is released, the moving block 51 moves outwards under the action of the fixing spring 52, and thus the fixing block 54 partially enters the fixing groove 541, and the whole installation of the shielding top cover 4 and the shielding box 3 is completed.

Claims

1. The utility model provides an anti-interference transformer, includes transformer body, its characterized in that: including shielding base, shielding box, shielding top cap and mounting, transformer body detachable sets up in shielding base, be provided with the direction arch on the shielding base, the protruding lateral part of direction is provided with the mating hole with mounting shape looks adaptation, shielding bottom half is provided with the guide groove with the protruding looks adaptation of direction, be provided with the fixed orifices on the shielding box and the fixed orifices extends to the guide groove, the mounting passes the fixed establishment of fixed orifices and shielding base with the mating hole constitution shielding box, be provided with the fixed establishment fixed with shielding box and shielding top cap between shielding box and the shielding top cap, be provided with the louvre on shielding box and the shielding top cap.

2. The tamper resistant transformer of claim 1, wherein: the fixed mechanism comprises a moving block and a fixed spring, wherein a moving groove for the moving block to move is formed in the side part of the shielding top cover, the fixed spring is arranged between the bottom of the moving groove and the moving block and drives the moving block to move outwards of the moving groove, a fixed block is arranged on the other side of the moving block, which is opposite to the fixed spring, of the moving block, a fixed groove which is matched with the shape of the fixed block is formed in the shielding box, a control part which is arranged outside the shielding box is arranged on the moving block, a control block and the control block are arranged on the control part and are located above the fixed block, the moving block enables a fixed state and a moving state to be formed between the shielding box and the shielding top cover, the fixed state is that part of the fixed block is located outside the moving groove and in the fixed groove, and the moving state is that the fixed block is located in the moving groove.

3. An anti-interference transformer according to claim 2, characterized in that: the shielding box body in have and supply the shielding chamber that the shielding top cap removed, be provided with the spacing ring that is located on the shielding top cap removal orbit in the shielding box body, when shielding top cap and spacing ring offset, the fixed block is located the shielding box body, the control block is located the shielding box body outside.

4. An anti-interference transformer according to claim 2, characterized in that: the other side of the control block opposite to the moving block is provided with an arc-shaped bulge.

5. An anti-interference transformer according to claim 2, characterized in that: the number of the fixing mechanisms is two and the fixing mechanisms are respectively arranged at the side part of the shielding top cover.

6. The tamper resistant transformer of claim 1, wherein: the shielding base is rectangular, and the number of the guide protrusions is multiple and is respectively arranged at the corners of the shielding base.

7. The tamper resistant transformer of claim 1, wherein: and the two sides of the shielding box body are respectively provided with a wire inlet and a wire outlet.