Anti-interference switching power supply transformer

Abstract

The utility model relates to the technical field of power transformers, in particular to an anti-interference switching power transformer. The power transformer comprises a power transformer body and a base, a clamping mechanism is arranged on the outer wall of the base and used for fixing the power transformer body, the clamping mechanism comprises a first lead screw and a second lead screw, the first lead screw and the second lead screw rotate in opposite directions, and a connecting block is arranged on the outer wall of the power transformer body. When the first lead screw and the second lead screw are attached to the outer wall of the connecting block at the same time, the connecting block is clamped and fixed, and the power transformer body is fixed to the outer wall of the base. The clamping block is driven to move in the direction by rotating the lead screw, the clamping block clamps and fixes the connecting block, the power transformer body is fixed to the base, when the anti-interference switching power transformer is maintained and replaced, the power transformer body can be conveniently detached in time to be maintained or replaced, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power transformers, in particular to an anti-interference switching power transformer. Background Art

[0002] Anti-interference switching power supply transformers are transformers designed using a variety of technical means to reduce or eliminate electromagnetic interference (EMI) and improve the electromagnetic compatibility (EMC) of electronic equipment. Switching power supply transformers play a vital role in modern electronic equipment, and their performance directly affects the stable operation of the entire system. Therefore, mastering and applying effective anti-interference technology is crucial to the design of switching power supply transformers;

[0003] There are many existing technologies for power transformers, such as:

[0004] Chinese patent application number CN201922158472.0 discloses an anti-interference switching power supply transformer, including a shell, a winding group and a moving rod, wherein the shell is slidably connected to the winding group, the outer periphery of the winding group is wrapped with anti-electromagnetic interference tape, the lower surface of the shell is fixedly connected to a base, and the lower surface of the inner wall of the shell is fixedly connected to a gasket; the utility model is provided with a second spring, a moving rod and a torsion spring, and the wire is connected to the moving rod by pulling the moving rod. In the process of the moving rod moving outward, the second spring is pulled to stretch. When the wire is connected and the moving rod is released, the second spring needs to restore the state between the two, so the moving rod is driven to move upward and can be retracted in the fixed tube, and the moving rod is clamped on the terminal, and the moving rod is clamped and fixed by the torsion spring and the clamping plate, so as to prevent the connected wire from falling off, avoid line blockage, and ensure the normal use of the switching power supply transformer.

[0005] However, in the use of the prior art, the electronic components of the switching power supply may be damaged in harsh environments, affecting its stability and life. At this time, the anti-interference switching power supply may require frequent maintenance and replacement. The anti-interference switching power supply transformer is usually welded to the top fixing plate of the gasket. At this time, it is inconvenient to remove the anti-interference switching power supply transformer in time, and the practicality is low. In view of this, we propose an anti-interference switching power supply transformer. Utility Model Content

[0006] The purpose of this utility model is to solve the above shortcomings and provide an anti-interference switching power supply transformer;

[0007] To achieve the above-mentioned purpose, the utility model provides an anti-interference switching power supply transformer, including a power transformer main body and a base, the outer wall of the base is provided with a clamping mechanism, the clamping mechanism is used to fix the power transformer main body, the clamping mechanism includes a first screw rod and a second screw rod, the first screw rod and the second screw rod rotate in opposite directions, the outer wall of the power transformer main body is provided with a connecting block, when the first screw rod and the second screw rod are simultaneously attached to the outer wall of the connecting block, the connecting block is clamped and fixed, and the power transformer main body is fixed to the outer wall of the base.

[0008] As a further improvement of the present technical solution, a connecting block is fixedly connected to the outer wall of the power transformer body, and the connecting block is in a "T" shape; a fixed block is fixedly connected to the outer wall of the base; a rotating shaft is rotatably connected to the inner wall of the fixed block; a first screw rod is fixedly connected to the upper end of the rotating shaft; a first movable block is rotatably connected to the outer wall of the first screw rod; a second screw rod is fixedly connected to the lower end of the rotating shaft; a second movable block is rotatably connected to the outer wall of the second screw rod; a first clamping block is fixedly connected to the outer wall of the first movable block; and a second clamping block is fixedly connected to the outer wall of the second movable block.

[0009] As a further improvement of the technical solution, the first screw end is fixedly connected to the first rotating shaft, the second screw end is fixedly connected to the second rotating shaft, and the outer walls of the first rotating shaft and the second rotating shaft are evenly provided with a plurality of protrusions.

[0010] As a further improvement of the technical solution, the inner wall of the first moving block is symmetrically rotatably connected to a round rod, the outer wall of the round rod is rotatably connected to the inner wall of the second moving block, and fixing caps are fixedly connected to both ends of the round rod.

[0011] As a further improvement of the present technical solution, an opening is provided on the outer wall of the first moving block, the outer wall of the first screw rod is threadedly connected to the inner wall of the opening of the first moving block, and an opening is provided on the outer wall of the second moving block, the outer wall of the second screw rod is threadedly connected to the inner wall of the opening of the second moving block.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the anti-interference switching power supply transformer, the clamp block is driven to move in a certain direction by rotating the lead screw, and the clamp block clamps and fixes the connecting block, thereby fixing the power transformer body on the base, so that when the anti-interference switching power supply transformer is maintained or replaced, the power transformer body can be removed in time for maintenance or replacement, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the second clamping block structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the second screw structure of the utility model;

[0017] Figure 4 For the utility model Figure 3 Schematic diagram of the structure at point A.

[0018] The meanings of the numbers in the figure are as follows: 1. power transformer body; 10. connecting block; 11. base; 2. clamping mechanism; 21. fixed block; 22. rotating shaft; 23. first screw rod; 231. first moving block; 232. first rotating shaft; 24. second screw rod; 241. second moving block; 242. second rotating shaft; 25. first clamping block; 26. second clamping block; 27. round rod; 28. fixing cap. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Anti-interference switching power supply transformers are transformers designed using a variety of technical means to reduce or eliminate electromagnetic interference (EMI) and improve the electromagnetic compatibility (EMC) of electronic equipment. Switching power supply transformers play a vital role in modern electronic equipment, and their performance directly affects the stable operation of the entire system. Therefore, mastering and applying effective anti-interference technology is crucial to the design of switching power supply transformers;

[0021] See also Figure 1-Figure 4As shown, this embodiment provides an anti-interference switching power supply transformer, including a power transformer main body 1 and a base 11, and a clamping mechanism 2 is provided on the outer wall of the base 11. The clamping mechanism 2 is used to fix the power transformer main body 1, and the clamping mechanism 2 includes a first screw rod 23 and a second screw rod 24. In a harsh environment, the electronic components of the switching power supply may be damaged, affecting its stability and life. At this time, the anti-interference switching power supply may require frequent maintenance and replacement. The anti-interference switching power supply transformer is usually welded to the top fixing plate of the gasket. At this time, it is inconvenient to remove the anti-interference switching power supply transformer in time, and the practicality is low. Therefore, the details are as follows: the first screw rod 23 and the second screw rod 24 rotate in opposite directions, and a connecting block 10 is provided on the outer wall of the power transformer main body 1. When the first screw rod 23 and the second screw rod 24 are simultaneously attached to the outer wall of the connecting block 10, the connecting block 10 is clamped and fixed, and the power transformer main body 1 is fixed to the outer wall of the base 11, and the connection mode of the power transformer main body 1 is changed, so that the power transformer main body 1 can be removed for maintenance or replacement in time, thereby improving practicality.

[0022] Among them, the anti-interference switching power supply transformer is a special electronic component designed to reduce or eliminate electromagnetic interference EMI, so as to ensure the normal operation and performance stability of electronic equipment. The anti-interference switching power supply transformer is composed of multiple key components, including magnetic core, winding, shielding layer, filter circuit and heat dissipation device, etc. These components work together to effectively reduce electromagnetic interference and improve the stability and efficiency of the power supply. This is common knowledge among people in this technical field and will not be elaborated here.

[0023] The outer wall of the power transformer body 1 is fixedly connected to a connecting block 10, and the connecting block 10 is in a "T" shape. The outer wall of the base 11 is fixedly connected to a fixing block 21, and the inner wall of the fixing block 21 is rotatably connected to a rotating shaft 22. The upper end of the rotating shaft 22 is fixedly connected to a first screw rod 23, and the outer wall of the first screw rod 23 is rotatably connected to a first moving block 231. The lower end of the rotating shaft 22 is fixedly connected to a second screw rod 24, and the outer wall of the second screw rod 24 is rotatably connected to a second moving block 241. The outer wall of the first moving block 231 is fixedly connected to The first clamping block 25 is connected, the outer wall of the second moving block 241 is fixedly connected to the second clamping block 26, the outer wall of the first moving block 231 is provided with an opening, the outer wall of the first screw rod 23 is threadedly connected to the inner wall of the opening of the first moving block 231, the outer wall of the second moving block 241 is provided with an opening, the outer wall of the second screw rod 24 is threadedly connected to the inner wall of the opening of the second moving block 241, the end of the first screw rod 23 is fixedly connected to the first rotating shaft 232, and the end of the second screw rod 24 is fixedly connected to the second rotating shaft 242 The outer walls of the first rotating shaft 232 and the second rotating shaft 242 are evenly provided with a plurality of protrusions. When the first rotating shaft 232 is rotated, the first rotating shaft 232 drives the first screw rod 23 to rotate, and when the second rotating shaft 242 is rotated, the second rotating shaft 242 drives the second screw rod 24 to rotate. The first screw rod 23 drives the rotating shaft 22 to rotate on the inner wall of the fixed block 21, and the second screw rod 24 at the lower end of the rotating shaft 22 rotates similarly. The rotation of the first screw rod 23 and the second screw rod 24 drives the first moving block 231 on the outer wall of the first screw rod 23 and the second moving block 241 on the outer wall of the second screw rod 24 to rotate on the outer walls of the first screw rod 23 and the second screw rod 24. Since the first screw rod 23 and the second screw rod 24 are arranged in opposite directions, the first screw rod 23 drives the first clamping block 25 of the outer wall to move downward, and the second screw rod 24 drives the second clamping block 26 to move upward. The first clamping block 25 and the second clamping block 26 are tightly fitted with the outer wall of the connecting block 10. At this time, the power transformer body 1 is clamped and fixed on the outer wall of the base 11, thereby improving practicality.

[0024] The inner wall of the first moving block 231 is symmetrically connected to the round rod 27 for rotation, and the outer wall of the round rod 27 is connected to the inner wall of the second moving block 241 for rotation. Fixed caps 28 are fixedly connected to both ends of the round rod 27. The round rod 27 prevents the first moving block 231 and the second moving block 241 from rotating. The first moving block 231 and the second moving block 241 slide on the outer wall of the round rod 27 during movement. The fixed caps 28 at the ends of the round rod 27 limit the maximum movement range of the first clamping block 25 and the second clamping block 26, preventing the first moving block 231 and the second moving block 241 from falling off from the outer walls of the first screw rod 23 and the second screw rod 24.

[0025] The improvement of this embodiment is that:

[0026] Rotating the screw rod drives the clamping block to move in a certain direction, and the clamping block clamps and fixes the connecting block 10, and fixes the power transformer main body 1 on the base 11, so that when the anti-interference switching power supply transformer is maintained and replaced, the power transformer main body 1 can be removed in time for maintenance or replacement, thereby improving practicality. The power transformer main body 1 and the base 11, and the outer wall of the base 11 is provided with a clamping mechanism 2, and the clamping mechanism 2 is used to fix the power transformer main body 1. The clamping mechanism 2 includes a first screw rod 23 and a second screw rod 24, and the first screw rod 23 and the second screw rod 24 rotate in opposite directions. The outer wall of the power transformer main body 1 is provided with a connecting block 10, and when the first screw rod 23 and the second screw rod 24 are simultaneously attached to the outer wall of the connecting block 10, the connecting block 10 is clamped and fixed, and the power transformer main body 1 is fixed to the outer wall of the base 11, and the connection mode of the power transformer main body 1 is changed. After the change, it can be applicable to different models of power transformer main bodies 1, thereby improving applicability.

[0027] In order to enable the clamping mechanism 2 to clamp and fix the power transformer body 1, the outer wall of the power transformer body 1 is fixedly connected to a connecting block 10, and the connecting block 10 is in a "T" shape. The outer wall of the base 11 is fixedly connected to a fixing block 21, and the inner wall of the fixing block 21 is rotatably connected to a rotating shaft 22. The upper end of the rotating shaft 22 is fixedly connected to a first screw rod 23, and the outer wall of the first screw rod 23 is rotatably connected to a first moving block 231. The lower end of the rotating shaft 22 is fixedly connected to a second screw rod 24, and the outer wall of the second screw rod 24 is rotatably connected to a second moving block 241. The outer wall of the first moving block 231 is fixedly connected to a first clamping block 25, and the outer wall of the second moving block 241 is fixedly connected to a second clamping block 26. The first screw rod 23 The rotating shaft 22 is driven to rotate on the inner wall of the fixed block 21, and the second screw rod 24 at the lower end of the rotating shaft 22 also rotates. The rotation of the first screw rod 23 and the second screw rod 24 drives the first movable block 231 on the outer wall of the first screw rod 23 and the second movable block 241 on the outer wall of the second screw rod 24 to rotate on the outer walls of the first screw rod 23 and the second screw rod 24. Since the first screw rod 23 and the second screw rod 24 are arranged in opposite directions, the first screw rod 23 drives the first clamping block 25 of the outer wall to move downward, and the second screw rod 24 drives the second clamping block 26 to move upward. The first clamping block 25 and the second clamping block 26 are tightly fitted with the outer wall of the connecting block 10. At this time, the power transformer body 1 is clamped and fixed on the outer wall of the base 11, which improves practicality.

[0028] Taking into account that it is inconvenient for users to rotate the first screw rod 23 and the second screw rod 24, the end of the first screw rod 23 is fixedly connected to the first rotating shaft 232, and the end of the second screw rod 24 is fixedly connected to the second rotating shaft 242. The outer walls of the first rotating shaft 232 and the second rotating shaft 242 are evenly provided with a plurality of protrusions. When the first rotating shaft 232 is rotated, the first rotating shaft 232 drives the first screw rod 23 to rotate, and when the second rotating shaft 242 is rotated, the second rotating shaft 242 drives the second screw rod 24 to rotate.

[0029] Considering that the first moving block 231 and the second moving block 241 are rotating, the inner wall of the first moving block 231 is symmetrically connected to the round rod 27 for rotation, the outer wall of the round rod 27 is rotationally connected to the inner wall of the second moving block 241, and the fixing caps 28 are fixedly connected at both ends of the round rod 27. The round rod 27 on the inner walls of the first moving block 231 and the second moving block 241 limits the horizontal movement of the first moving block 231 and the second moving block 241 to prevent the first moving block 231 and the second moving block 241 from rotating. The first moving block 231 and the second moving block 241 slide on the outer wall of the round rod 27 during the movement, and the fixing caps 28 at the ends of the round rod 27 limit the maximum movement range of the first clamping block 25 and the second clamping block 26 to prevent the first moving block 231 and the second moving block 241 from falling off from the outer walls of the first screw rod 23 and the second screw rod 24.

[0030] In order to enable the first moving block 231 and the second moving block 241 to rotate on the outer wall of the screw rod, an opening is provided on the outer wall of the first moving block 231, and the outer wall of the first screw rod 23 is threadedly connected to the inner wall of the opening of the first moving block 231; an opening is provided on the outer wall of the second moving block 241, and the outer wall of the second screw rod 24 is threadedly connected to the inner wall of the opening of the second moving block 241; the rotation of the first screw rod 23 and the second screw rod 24 drives the first moving block 231 on the outer wall of the first screw rod 23 and the second moving block 241 on the outer wall of the second screw rod 24 to rotate on the outer walls of the first screw rod 23 and the second screw rod 24.

[0031] In summary, the working principle of this scheme is as follows:

[0032] When the utility model anti-interference switching power supply transformer is used, the connecting block 10 on the outer wall of the power transformer body 1 is brought close to the base 11, the connecting block 10 is aligned with the outer wall of the fixed block 21, and the first rotating shaft 232 is rotated. The first rotating shaft 232 drives the first screw rod 23 to rotate, and the first screw rod 23 drives the rotating shaft 22 to rotate on the inner wall of the fixed block 21. The second screw rod 24 at the lower end of the rotating shaft 22 also rotates. The rotation of the first screw rod 23 and the second screw rod 24 drives the first moving block 231 on the outer wall of the first screw rod 23 and the second moving block 241 on the outer wall of the second screw rod 24 to rotate on the outer wall of the first screw rod 23 and the second screw rod 24. Since the first screw rod 23 and the second screw rod 24 are arranged in opposite directions, the first screw rod 23 drives the first clamping block 25 of the outer wall to move downward, and the second screw rod 24 drives the second clamping block 26 to move upward. When the first clamping block 25 and the second clamping block 26 are tightly fitted with the outer wall of the connecting block 10, the first rotating shaft 232 is stopped. The first moving block 231 on the outer wall of the first screw rod 23 and the second moving block 241 on the outer wall of the second screw rod 24 are rotated on the outer wall of the first screw rod 23 and the second screw rod 24. A clamping block 25 and a second clamping block 26 clamp the connecting block 10. At this time, the power transformer main body 1 is clamped and fixed on the outer wall of the base 11. The first rotating shaft 232 is rotated in the opposite direction or the second rotating shaft 242 is rotated. The first clamping block 25 and the second clamping block 26 can be rotated to release the clamping of the connecting block 10, so that the user can quickly remove the power transformer main body 1 for maintenance or replacement. The round rod 27 on the inner wall of the first moving block 231 and the second moving block 241 performs displacement-limited horizontal movement on the first moving block 231 and the second moving block 241 to prevent the first moving block 231 and the second moving block 241 from rotating. The first moving block 231 and the second moving block 241 slide on the outer wall of the round rod 27 during the movement. The fixing cap 28 at the end of the round rod 27 limits the maximum movement range of the first clamping block 25 and the second clamping block 26 to prevent the first moving block 231 and the second moving block 241 from falling off from the outer wall of the first screw rod 23 and the second screw rod 24.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-interference switching power supply transformer, comprising a power supply transformer body (1) and a base (11), wherein the outer wall of the base (11) is provided with a clamping mechanism (2), wherein the clamping mechanism (2) is used to fix the power supply transformer body (1), and the clamping mechanism (2) comprises a first screw rod (23) and a second screw rod (24), wherein: The first screw rod (23) and the second screw rod (24) rotate in opposite directions. A connecting block (10) is provided on the outer wall of the power transformer body (1). When the first screw rod (23) and the second screw rod (24) are in contact with the outer wall of the connecting block (10) at the same time, the connecting block (10) is clamped and fixed, thereby fixing the power transformer body (1) to the outer wall of the base (11).

2. The anti-interference switching power supply transformer according to claim 1, characterized in that: The outer wall of the power transformer body (1) is fixedly connected to a connection block (10), the connection block (10) is in a "T" shape, the outer wall of the base (11) is fixedly connected to a fixed block (21), the inner wall of the fixed block (21) is rotatably connected to a rotating shaft (22), the upper end of the rotating shaft (22) is fixedly connected to a first screw rod (23), the outer wall of the first screw rod (23) is rotatably connected to a first moving block (231), the lower end of the rotating shaft (22) is fixedly connected to a second screw rod (24), the outer wall of the second screw rod (24) is rotatably connected to a second moving block (241), the outer wall of the first moving block (231) is fixedly connected to a first clamping block (25), and the outer wall of the second moving block (241) is fixedly connected to a second clamping block (26).

3. The anti-interference switching power supply transformer according to claim 1, characterized in that: The end of the first screw rod (23) is fixedly connected to a first rotating shaft (232), the end of the second screw rod (24) is fixedly connected to a second rotating shaft (242), and a plurality of protrusions are evenly arranged on the outer walls of the first rotating shaft (232) and the second rotating shaft (242).

4. The anti-interference switching power supply transformer according to claim 2, characterized in that: The inner wall of the first moving block (231) is symmetrically rotatably connected to a round rod (27), the outer wall of the round rod (27) is rotatably connected to the inner wall of the second moving block (241), and both ends of the round rod (27) are fixedly connected to fixing caps (28).

5. The anti-interference switching power supply transformer according to claim 2, characterized in that: The outer wall of the first moving block (231) is provided with an opening, the outer wall of the first screw rod (23) is threadedly connected to the inner wall of the opening of the first moving block (231), the outer wall of the second moving block (241) is provided with an opening, and the outer wall of the second screw rod (24) is threadedly connected to the inner wall of the opening of the second moving block (241).

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