Power supply capable of preventing magnetic field interference

Abstract

The utility model relates to the technical field of power supplies, and discloses a magnetic field interference prevention power supply which comprises a shielding wall body, one side of the shielding wall body is fixedly connected with a power supply box, the inner side of the power supply box is provided with a power supply body, and the upper end of the power supply body is fixedly connected with a wire. The top of the power supply box is fixedly connected with a quick-release square hole waveguide tube, the two sides of the power supply box are fixedly connected with fixed limiting sleeve blocks, the inner sides of the fixed limiting sleeve blocks are connected with movable protection mechanisms in a clamped mode, and fixed limiting grooves are formed in the upper portions of the rear surfaces of the inner sides of the fixed limiting sleeve blocks; according to the utility model, through the arrangement of the quick-release square-hole waveguide tube, the quick-release square-hole waveguide tube can be quickly disassembled when wires need to be disassembled and maintained in the subsequent use process of internal components of the quick-release square-hole waveguide tube, so that the wires in the quick-release square-hole waveguide tube can be quickly maintained and repaired, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of power supplies, and more particularly to a power supply that is protected from magnetic field interference. Background Art

[0002] High-precision electron microscopes are often greatly affected by the physical properties of the magnetic field, and therefore have high requirements for the shielding decoration construction process of the shielding room. If the shielding effect on the magnetic field fluctuation caused by the power distribution current in the electron microscope room is not ideal, it will affect the use of the electron microscope.

[0003] After searching, a power supply for preventing magnetic field interference, as disclosed in publication number CN214479265U, includes a shielding wall, a power box is fixedly connected to the right surface of the shielding wall, a power supply is arranged inside the power box, an electric wire is fixedly connected to the upper end of the power box, a square-hole waveguide is sheathed on the outside of the electric wire, the square-hole waveguide passes through the right surface of the shielding wall, and a plurality of fixed springs are fixedly connected to the front and rear inner walls and the left and right inner walls of the square-hole waveguide at equal distances, and one end of each of the four fixed springs away from the square-hole waveguide is fixedly connected to the outside of the electric wire.

[0004] The above-mentioned technical solution has certain beneficial effects, but in actual use, since the interior of the square-hole waveguide tube is fixedly connected to the wires through springs and protective blocks, it is inconvenient to maintain the wires during subsequent use. For this reason, we propose a power supply that is anti-magnetic field interference. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a power supply that is resistant to magnetic field interference, so as to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a power supply for preventing magnetic field interference, comprising a shielding wall, a power supply box fixedly connected to one side of the shielding wall, a power supply body installed inside the power supply box, an upper end of the power supply body fixedly connected to a wire, and a quick-release square-hole waveguide fixedly connected to the top of the power supply box;

[0007] Furthermore, fixed limiting sleeves are fixedly connected to both sides of the power box, a movable protective mechanism is clamped on the inner side of the fixed limiting sleeve, and a fixed limiting groove is provided on the upper part of the inner rear surface of the fixed limiting sleeve.

[0008] Furthermore, the quick-release square-hole waveguide tube includes a first set of blocks, a fixed limit block is symmetrically provided on the top of the first set of blocks, a first spring is symmetrically provided on the inner side of the first set of blocks, the other end of the first spring is fixedly connected to the first clamping block, a movable insertion rod is movably inserted into the interior of the fixed limit block, the top of the movable insertion rod is fixedly connected to a connecting top block, one end of the connecting top block is fixedly connected to a second set of blocks, a second spring is symmetrically provided on the inner side of the second set of blocks, the other end of the second spring is fixedly connected to a second clamping block, both sides of the second set of blocks are fixedly connected to connecting clamping blocks, both sides of the first set of blocks are fixedly connected to connecting limit blocks, and the outer surface of the connecting limit block is fixedly connected to a fixed limiting mechanism.

[0009] Furthermore, the fixed limiting mechanism includes a connecting frame, the interior of the connecting frame is movably connected to a movable limiting rod, one end of the movable limiting rod is fixedly connected to a connecting pull ring, the outer surface of the movable limiting rod is fixedly sleeved with a force-bearing mounting plate, and a force-bearing spring is fixedly connected between one side of the force-bearing mounting plate and the inner side of the connecting frame.

[0010] Furthermore, a pressure inclined surface is provided on the upper portion of one end of the movable limiting rod away from the connecting pull ring.

[0011] Furthermore, the movable protective mechanism includes a movable protective plate, a connecting handle is symmetrically provided on one side of the movable protective plate, a connecting plug is symmetrically provided on the other side of the movable protective plate, an inner upper part of the connecting plug is fixedly connected to a mounting spring, the other end of the mounting spring is fixedly connected to a connecting mounting plate, and a side of the connecting mounting plate away from the mounting spring is fixedly connected to a limiting block.

[0012] Furthermore, fixed guide rods are symmetrically provided on the inner upper part of the connecting plug block, and the outer surface of the fixed guide rods is slidably fitted with the inner part of the connecting mounting plate.

[0013] The technical effects and advantages of this utility model are:

[0014] 1. The utility model is provided with a quick-release square hole waveguide tube. In the internal components of the quick-release square hole waveguide tube, in the subsequent use process, when the wires need to be disassembled and maintained, the quick-release square hole waveguide tube can be quickly disassembled, so that the wires inside it can be quickly maintained and repaired, and the operation is convenient.

[0015] 2. The utility model can ensure that the movable protective mechanism can be stably installed and used to protect the power supply body through the mutual cooperation between the fixed limiting sleeve and the movable protective mechanism. Conversely, the movable protective mechanism and the fixed limiting sleeve can be quickly disassembled to quickly repair the power supply body inside the power box, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the fixed limiting groove structure of the utility model.

[0018] Figure 3 This is a schematic diagram of the structure of the quick-release square-hole waveguide tube of the present utility model.

[0019] Figure 4 This is a schematic diagram of the connecting card structure of the present utility model.

[0020] Figure 5 This is a structural diagram of the fixed limiting mechanism of the utility model.

[0021] Figure 6 This is a schematic structural diagram of the movable protection mechanism of the present utility model.

[0022] The accompanying drawings are marked as follows: 1. Shielding wall; 2. Power supply box; 3. Power supply body; 4. Quick-release square hole waveguide tube; 5. Electric wire; 6. Fixed limiting sleeve; 7. Movable protective mechanism; 8. Fixed limiting groove; 9. First set of blocks; 10. First spring; 11. First clamping block; 12. Fixed limiting block; 13. Movable plug rod; 14. Connecting top block; 15. Second set of blocks; 16. Second spring; 17. Second clamping block; 18. Connecting card block; 19. Connecting limiting sleeve; 20. Fixed limiting mechanism; 21. Connecting frame; 22. Movable limiting plug rod; 23. Connecting pull ring; 24. Force-bearing mounting plate; 25. Force-bearing spring; 26. Pressure-bearing inclined surface; 27. Movable protective plate; 28. Connecting handle; 29. ​​Connecting plug block; 30. Mounting spring; 31. Connecting mounting plate; 32. Limiting card block; 33. Fixed guide rod. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Reference Figure 1-6 The utility model provides a power supply for preventing magnetic field interference, comprising a shielding wall 1, a power supply box 2 being fixedly connected to one side of the shielding wall 1, a power supply body 3 being installed inside the power supply box 2, a wire 5 being fixedly connected to the upper end of the power supply body 3, and a quick-release square-hole waveguide 4 being fixedly connected to the top of the power supply box 2;

[0025] Among them, fixed limit sleeves 6 are fixedly connected to both sides of the power box 2, the inner side of the fixed limit sleeve 6 is clamped with a movable protection mechanism 7, and a fixed limit groove 8 is provided on the upper part of the inner rear surface of the fixed limit sleeve 6.

[0026] Among them, the quick-release square hole waveguide tube 4 includes a first set of blocks 9, a fixed limit block 12 is symmetrically provided on the top of the first set of blocks 9, a first spring 10 is symmetrically provided on the inner side of the first set of blocks 9, and the other end of the first spring 10 is fixedly connected to the first clamping block 11, and the internal movability of the fixed limit block 12 is connected with a movable plug rod 13, and the top of the movable plug rod 13 is fixedly connected to a connecting top block 14, and one end of the connecting top block 14 is fixedly connected to a second set of blocks 15, and a second spring 16 is symmetrically provided on the inner side of the second set of blocks 15, and the other end of the second spring 16 is fixedly connected to a second clamping block 17, and both sides of the second set of blocks 15 are fixedly connected to connecting card blocks 18, and both sides of the first set of blocks 9 are fixed A connection limit sleeve 19 is fixedly connected, and a fixed limit mechanism 20 is fixedly connected to the outer surface of the connection limit sleeve 19, so that when disassembling, the fixed limit mechanism 20 is first operated and adjusted, and the connection card block 18 is no longer restricted, so that the connection card block 18 can be pulled out from the inner side of the connection limit sleeve 19, driving the second set of blocks 15, the connection top block 14, the movable insertion rod 13, the second spring 16 and the second clamping block 17 to move upward, so that the movable insertion rod 13 can be pulled out from the inner side of the fixed limit block 12, thereby quickly separating the second set of blocks 15 and the first set of blocks 9 from each other, so that the wires 5 can be quickly maintained and repaired, and the operation is convenient.

[0027] Among them, the fixed limiting mechanism 20 includes a connecting frame 21, and the internal movably connected to the connecting frame 21 is a movable limiting rod 22, one end of the movable limiting rod 22 is fixedly connected to a connecting pull ring 23, and the outer surface of the movable limiting rod 22 is fixedly sleeved with a force-bearing mounting disk 24, and a force spring 25 is fixedly connected between one side of the force-bearing mounting disk 24 and the inner side of the connecting frame 21, which is convenient for pulling the connecting pull ring 23, driving the movable limiting rod 22 and the force-bearing mounting disk 24 to move, causing compression to the force spring 25, so that one end of the movable limiting rod 22 is pulled out from the inner side of the connecting block 18, so that it can be quickly adjusted and the operation is convenient and quick.

[0028] Among them, a pressure inclined surface 26 is provided on the upper part of the end of the movable limiting rod 22 away from the connecting pull ring 23, so that when the connecting block 18 is inserted into the inner side of the connecting limiting sleeve 19, the bottom edge of the connecting block 18 can squeeze the pressure inclined surface 26, so that one end of the movable limiting rod 22 can move automatically, and the operation is convenient and quick.

[0029] When the locking cam 31 is in the unlocked position, the locking cam 32 is engaged with the locking cam 32 and the locking cam 33, and the locking cam 33 is engaged with the locking cam 33. When the locking cam 31 is in the unlocked position, the locking cam 32 is engaged with the locking cam 33 and the locking cam 33. When the locking cam 31 is in the unlocked position, the locking cam 32 is engaged with the locking cam 33.

[0030] Among them, a fixed guide rod 33 is symmetrically provided on the upper inner part of the connecting plug block 29, and the outer surface of the fixed guide rod 33 slides and fits with the inner part of the connecting mounting plate 31, so that the connecting mounting plate 31 can move stably on the outer surface of the fixed guide rod 33 when moving, avoiding the connecting mounting plate 31 from tilting, and facilitating operation.

[0031] The working principle of the present invention is as follows: during use, when the wire 5 needs to be maintained and repaired, the quick-release square hole waveguide tube 4 body needs to be disassembled. First, the connecting pull ring 23 is pulled to drive the movable limit rod 22 and the force-bearing mounting plate 24 to move, causing the force-bearing spring 25 to be compressed, so that one end of the movable limit rod 22 is pulled out from the inner side of the connecting block 18, and then the connecting block 18 is pulled out from the inner side of the connecting limit sleeve block 19, driving the second set block 15, the connecting top block 14, the movable rod 13, the second spring 16 and the second clamping block 17 to move upward, so that the movable rod 13 can be pulled out from the inner side of the fixed limit block 12, thereby quickly fixing the second set block 15 and the first set of blocks 9 are separated from each other, so that the wires 5 can be quickly maintained and repaired; when the power supply body 3 needs to be repaired and maintained, the connecting handle 28 is directly pulled upward to drive the movable protective plate 27, the connecting plug block 29, the mounting spring 30, the connecting mounting disk 31, the limit card block 32 and the fixed guide rod 33 to move, so that the limit card block 32 is squeezed by the inner side of the fixed limit groove 8, so that the limit card block 32 moves by itself, driving the connecting mounting disk 31 to move, compressing the mounting spring 30, so that it can be directly disassembled, so that the power supply body 3 can be quickly maintained and repaired. The overall structure is simple and the operation is convenient and fast.

[0032] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0033] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0034] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A power supply for preventing magnetic field interference, comprising a shielding wall (1), characterized in that: A power supply box (2) is fixedly connected to one side of the shielding wall (1), a power supply body (3) is installed on the inner side of the power supply box (2), an electric wire (5) is fixedly connected to the upper end of the power supply body (3), and a quick-release square hole waveguide tube (4) is fixedly connected to the top of the power supply box (2).

2. The power supply for preventing magnetic field interference according to claim 1, characterized in that: Both sides of the power box (2) are fixedly connected with fixed limiting sleeves (6), the inner side of the fixed limiting sleeve (6) is clamped with a movable protection mechanism (7), and the upper part of the inner rear surface of the fixed limiting sleeve (6) is provided with a fixed limiting groove (8).

3. The power supply for preventing magnetic field interference according to claim 1, characterized in that: The quick-release square hole waveguide tube (4) comprises a first set block (9), a fixed limit block (12) is symmetrically provided on the top of the first set block (9), a first spring (10) is symmetrically provided on the inner side of the first set block (9), the other end of the first spring (10) is fixedly connected to a first clamping block (11), a movable insertion rod (13) is movably inserted into the interior of the fixed limit block (12), the top of the movable insertion rod (13) is fixedly connected to a connecting top block (14), one end of the connecting top block (14) is fixedly connected to a second set block (15), a second spring (16) is symmetrically provided on the inner side of the second set block (15), the other end of the second spring (16) is fixedly connected to a second clamping block (17), both sides of the second set block (15) are fixedly connected to connecting clamping blocks (18), both sides of the first set block (9) are fixedly connected to connecting limit blocks (19), and the outer surface of the connecting limit block (19) is fixedly connected to a fixed limit mechanism (20).

4. The power supply for preventing magnetic field interference according to claim 3, characterized in that: The fixed limiting mechanism (20) comprises a connecting frame (21), the interior of the connecting frame (21) is movably connected to a movable limiting rod (22), one end of the movable limiting rod (22) is fixedly connected to a connecting pull ring (23), the outer surface of the movable limiting rod (22) is fixedly sleeved with a force-bearing mounting plate (24), and a force-bearing spring (25) is fixedly connected between one side of the force-bearing mounting plate (24) and the inner side of the connecting frame (21).

5. The power supply for preventing magnetic field interference according to claim 4, characterized in that: A pressure-bearing inclined surface (26) is provided on the upper portion of one end of the movable limiting rod (22) away from the connecting pull ring (23).

6. The power supply for preventing magnetic field interference according to claim 2, characterized in that: The movable protection mechanism (7) comprises a movable protection plate (27), a connecting handle (28) being symmetrically provided on one side of the movable protection plate (27), a connecting plug (29) being symmetrically provided on the other side of the movable protection plate (27), a mounting spring (30) being fixedly connected to the inner upper portion of the connecting plug (29), a connecting mounting plate (31) being fixedly connected to the other end of the mounting spring (30), and a limiting block (32) being fixedly connected to the side of the connecting mounting plate (31) away from the mounting spring (30).

7. The power supply for preventing magnetic field interference according to claim 6, characterized in that: A fixed guide rod (33) is symmetrically provided on the inner upper portion of the connecting plug block (29), and the outer surface of the fixed guide rod (33) is slidably fitted with the inner portion of the connecting mounting plate (31).

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