Protective device for internal circuit of transformer
By introducing adjustment and fixing components into the internal line protection device of the transformer, the problems of cable tangling, poor heat dissipation and short service life are solved, and more efficient cable management and longer service life are achieved.
Patent Information
- Application Number
- CN202420508676.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The internal line protection devices of existing transformers lack adjustment and fixing components, resulting in easy tangling of cables, poor heat dissipation and short service life.
A protective device including an adjustment assembly and a fixing assembly is designed, through which the cable length can be adjusted to prevent winding; by the fixing assembly, the cable can be fixed to prevent loosening and falling off.
It realizes effective fixing and heat dissipation of cables of different lengths, extends the service life of the cable, and simplifies the subsequent replacement and maintenance process.
Smart Images
Figure CN222440321U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, in particular to a protective device for internal circuits of a transformer. Background Art
[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are the primary coil, the secondary coil and the iron core (magnetic core). In electrical equipment and wireless circuits, it is often used to increase or decrease voltage, match impedance, and provide safety isolation. In a generator, whether the coil moves through a magnetic field or the magnetic field moves through a fixed coil, an electric potential can be induced in the coil. However, the circuits inside the transformer will generate heat during operation. At this time, a protective device for the internal circuits of the transformer is needed.
[0003] However, the prior art still has the following problems:
[0004] First, most of the existing transformer internal line protection devices are not equipped with adjustment components. When encountering a long cable that needs to be laid, the length of the cable plate cannot be adjusted according to the laid line, which may cause the cable to be entangled. When it needs to be replaced and maintained later, it is not convenient to disassemble and replace the line. In addition, the heat generated by the cable when it is powered on cannot be discharged, which reduces the speed of subsequent cable replacement and the heat dissipation effect of the device;
[0005] Secondly, most of the existing transformer internal line protection devices are not equipped with fixing components. Usually, the cable joints are directly fixed to the transformer by screws. After the cables have been working for a long time, they may fall off or loosen, making the transformer unable to work normally, thereby reducing the service life of the device.
[0006] In view of the above problems, the inventor proposes a protection device for internal circuits of a transformer to solve the above problems. Utility Model Content
[0007] In order to solve the problems that the device cannot fix and dissipate heat for longer cables and the cables are easily loosened; the purpose of the utility model is to provide a protective device for the internal circuits of a transformer.
[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a protective device for the internal circuit of a transformer, comprising a first bottom plate and a second bottom plate, wherein the same end of the first bottom plate and the second bottom plate is jointly provided with an adjusting component, and the top ends of the first bottom plate and the second bottom plate are jointly provided with a fixing component, wherein the adjusting component comprises two supporting plates, and the two supporting plates are respectively fixedly connected to the first bottom plate and the second bottom plate, so as to play the effect of supporting the adjusting component, wherein one end of one of the supporting plates is provided with a first knob, and one end of the first knob passes through one of the supporting plates and is fixedly connected with a screw rod, and one end of the screw rod is rotatably connected with one of the supporting plates, so that the screw rod drives the second bottom plate to move, and the outer surface of the screw rod is sleeved with a sliding sleeve , one end of the sliding sleeve is fixedly connected to the other supporting plate, and both sides of the top of the first bottom plate and the second bottom plate are fixedly connected to brackets, and the tops of the two brackets located on the same side are respectively fixedly connected to the first cover plate and the second cover plate, and the first cover plate is slidably connected to the second cover plate, and the inner walls on both sides of the opposite surfaces of the first cover plate are provided with sliding grooves, and both ends of the second cover plate are fixedly connected to sliders, and the sliding grooves are used in conjunction with the sliders to facilitate the movement and extension of the second cover plate, and the tops of the first cover plate and the second cover plate are embedded with heat dissipation parts to facilitate the heat dissipation of the cable, and both sides of one end of the first cover plate are fixedly connected to telescopic rods, and the same ends of the two telescopic rods are fixedly connected to the second cover plate, so that the second cover plate is more stable when moving.
[0009] Preferably, the fixing assembly includes multiple sleeves, and the material of the multiple sleeves is copper tube material with high toughness, which can fix cables of different specifications and is also convenient for conducting the heat generated by the cables to the sleeves, so that the heat dissipation effect is better. The tops of the first bottom plate and the second bottom plate are each provided with multiple wire grooves, and the bottom ends of the multiple sleeves are respectively fixedly connected to the multiple wire grooves, and the tops of the multiple sleeves are fixedly connected to connecting plates on both sides, one end of one of the connecting plates is provided with a second knob, one end of the second knob passes through one of the connecting plates and is fixedly connected with a bolt, one end of the bolt passes through the other connecting plate and is sleeved with a limiting sleeve on the outer surface, and one end of the limiting sleeve is fixedly connected to the other connecting plate, so as to fix the cable connected to the transformer.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. The utility model uses an adjustment component, wherein the first string knob, the screw rod, the first cover plate, the second cover plate and the heat sink, when it is necessary to fix cables of different lengths, the spacing between the first bottom plate and the second bottom plate components can be adjusted to prevent the cables from getting tangled, and the heat generated by the cables when they are powered on can be reduced, thereby achieving the effect of facilitating subsequent replacement or disassembly of the cables for maintenance;
[0012] 2. The utility model uses a fixing component, in which the first base plate, the second base plate, the sleeve, the connecting plate and the bolts are used. When both ends of the cable are connected to the transformer respectively, the cable can be fixed to prevent the cable from loosening or falling off after working for a long time, thereby achieving the effect of prolonging the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic diagram of the structure of the utility model.
[0015] Figure 2 This is a schematic diagram of the structure of the adjustment component of the utility model.
[0016] Figure 3 This is a schematic diagram of the structure of the fixing component of the utility model.
[0017] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.
[0018] In the figure: 1. first base plate; 2. adjustment component; 3. fixing component; 4. second base plate; 5. bracket; 6. first cover plate; 7. second cover plate; 21. screw rod; 22. sliding sleeve; 23. telescopic rod; 24. heat sink; 25. sliding groove; 26. slider; 27. support plate; 28. first knob; 31. sleeve; 32. wire groove; 33. bolt; 34. second knob; 35. connecting plate; 36. limit sleeve. 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] Embodiment 1: Figure 1-2As shown, the utility model provides a protective device for the internal circuit of a transformer, including a first bottom plate 1 and a second bottom plate 4, an adjustment component 2 is commonly provided at the same end of the first bottom plate 1 and the second bottom plate 4, a fixing component 3 is commonly provided at the top of the first bottom plate 1 and the second bottom plate 4, the adjustment component 2 includes two support plates 27, a first knob 28 is provided at one end of one of the support plates 27, one end of the first knob 28 passes through one of the support plates 27 and is fixedly connected with a screw rod 21, a sliding sleeve 22 is sleeved on the outer surface of the screw rod 21, one end of the sliding sleeve 22 is fixedly connected to the other support plate 27, brackets 5 are fixedly connected to both sides of the top of the first bottom plate 1 and the second bottom plate 4, the tops of the two brackets 5 located on the same side are respectively commonly fixedly connected with a first cover plate 6 and a second cover plate 7, and the first cover plate 6 is slidably connected to the second cover plate 7. When cables of different lengths are When laying is required, the first knob 28 is rotated according to the length of the cable. The rotation of the first knob 28 drives the screw rod 21 to move in the sliding sleeve 22, and the first screw rod 21 drives one of the support plates 27 to move, and one of the support plates 27 drives the second bottom plate 4 to move, and the second bottom plate 4 drives the two adjacent brackets 5 located on the same side to move, and the two brackets 5 jointly drive the second cover plate 7 to move, and the second cover plate 7 respectively drives the two sliders 26 to slide in the two slide grooves 25 opened in the first cover plate 6. At this time, the telescopic rod 23 follows the second cover plate 7 to make the second cover plate 7 more stable when moving, until the second bottom plate 4 is moved to a suitable position, to prevent the cable from being entangled due to excessive length, thereby achieving the effect of facilitating subsequent replacement or disassembly of the cable for maintenance, and then start the two heat sinks 24 to dissipate the heat of the energized cable.
[0021] Heat sinks 24 are embedded at the top ends of the first cover plate 6 and the second cover plate 7 .
[0022] By adopting the above technical solution, it is convenient to dissipate heat from the cable.
[0023] Slide grooves 25 are provided on the inner walls of the opposite sides of the first cover plate 6 . Slide blocks 26 are fixedly connected to both ends of the second cover plate 7 , and the slide grooves 25 cooperate with the slide blocks 26 for use.
[0024] By adopting the above technical solution, the second dry mixer 7 can be easily moved and extended.
[0025] Telescopic rods 23 are fixedly connected to both sides of one end of the first cover plate 6 , and the same ends of the two telescopic rods 23 are fixedly connected to the second cover plate 7 .
[0026] By adopting the above technical solution, the second cover plate 7 is made more stable when moving.
[0027] One end of the screw rod 21 is rotatably connected to one of the support plates 27 .
[0028] By adopting the above technical solution, it is convenient for the screw rod 21 to drive the second bottom plate 4 to move.
[0029] The two support plates 27 are fixedly connected to the first bottom plate 1 and the second bottom plate 4 respectively.
[0030] By adopting the above technical solution, the effect of supporting the adjustment component 2 is achieved.
[0031] Embodiment 2: Figure 3-4 As shown, the fixing assembly 3 includes a plurality of sleeves 31, and the tops of the first base plate 1 and the second base plate 4 are each provided with a plurality of wire grooves 32, and the bottom ends of the plurality of sleeves 31 are respectively fixedly connected to the plurality of wire grooves 32, and both sides of the tops of the plurality of sleeves 31 are fixedly connected with connecting plates 35, one end of one of the connecting plates 35 is provided with a second knob 34, one end of the second knob 34 penetrates one of the connecting plates 35 and is fixedly connected with a bolt 33, one end of the bolt 33 penetrates the other connecting plate 35 and is sleeved with a limiting sleeve 36 on the outer surface, and one end of the limiting sleeve 36 is fixedly connected to the other connecting plate 35. When it is necessary to fix cables of different specifications, the cables of different specifications are first inserted into the sleeves 31, and then the second knob 34 is rotated, and the second knob 34 drives the bolt 33 to rotate in the limiting sleeve 36. At this time, the two connecting plates 35 are close to or away from each other until the sleeve 31 completely wraps and fixes the cable, and finally the cable is fixed to the transformer to prevent the cable from loosening or falling off after working for a long time, thereby achieving the effect of improving the service life of the device.
[0032] By adopting the above technical solution, the cables connected to the transformer can be fixed.
[0033] The material of the multiple sleeves 31 is copper tube material with high toughness.
[0034] By adopting the above technical solution, cables of different specifications can be fixed, and the heat generated by the cables can be easily transferred to the sleeve, thereby achieving a better heat dissipation effect.
[0035] Working principle: When cables of different lengths need to be laid, the first knob 28 is rotated according to the length of the cable. The rotation of the first knob 28 drives the screw rod 21 to move in the sliding sleeve 22, and the first screw rod 21 drives one of the support plates 27 to move, and one of the support plates 27 drives the second bottom plate 4 to move, and the second bottom plate 4 drives two adjacent brackets 5 located on the same side to move, and the two brackets 5 jointly drive the second cover plate 7 to move, and the second cover plate 7 drives the two sliders 26 to slide in the two slide grooves 25 opened in the first cover plate 6, and at this time, the telescopic rod 23 follows the second cover plate 7 to make the second cover plate 7 more stable when moving, until the second bottom plate 4 is moved to The second knob 34 is rotated to rotate the bolt 33 in the limit sleeve 36. At this time, the two connecting plates 35 are moved closer or further away from each other until the sleeve 31 completely wraps and fixes the cable. Finally, the cable is fixed to the transformer to prevent the cable from loosening or falling off after working for a long time, thereby achieving the effect of improving the service life of the device.
[0036] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A protective device for internal circuits of a transformer, comprising a first bottom plate (1) and a second bottom plate (4), characterized in that: The first bottom plate (1) and the second bottom plate (4) have a common end with an adjustment component (2), and the top ends of the first bottom plate (1) and the second bottom plate (4) have a common fixing component (3); The adjustment assembly (2) comprises two support plates (27), one end of one of the support plates (27) is provided with a first knob (28), one end of the first knob (28) passes through one of the support plates (27) and is fixedly connected to a screw rod (21), the outer surface of the screw rod (21) is sleeved with a sliding sleeve (22), one end of the sliding sleeve (22) is fixedly connected to the other support plate (27), both sides of the top ends of the first base plate (1) and the second base plate (4) are fixedly connected to brackets (5), the top ends of the two brackets (5) located on the same side are respectively fixedly connected to a first cover plate (6) and a second cover plate (7), and the first cover plate (6) and the second cover plate (7) are slidably connected.
2. A protective device for internal circuits of a transformer as claimed in claim 1, characterized in that: The fixing assembly (3) comprises a plurality of sleeves (31), the top ends of the first bottom plate (1) and the second bottom plate (4) are each provided with a plurality of wire grooves (32), the bottom ends of the plurality of sleeves (31) are respectively fixedly connected to the plurality of wire grooves (32), the top ends of the plurality of sleeves (31) are both fixedly connected to connecting plates (35), one end of one of the connecting plates (35) is provided with a second knob (34), one end of the second knob (34) passes through one of the connecting plates (35) and is fixedly connected to a bolt (33), one end of the bolt (33) passes through another connecting plate (35) and is sleeved with a limiting sleeve (36) on its outer surface, and one end of the limiting sleeve (36) is fixedly connected to another connecting plate (35).
3. A protective device for internal circuits of a transformer as claimed in claim 1, characterized in that: The top ends of the first cover plate (6) and the second cover plate (7) are both embedded with heat dissipation elements (24).
4. A protective device for internal circuits of a transformer as claimed in claim 1, characterized in that: The inner walls on both sides of the opposite sides of the first cover plate (6) are provided with sliding grooves (25), and both ends of the second cover plate (7) are fixedly connected with sliding blocks (26), and the sliding grooves (25) are used in conjunction with the sliding blocks (26).
5. A protective device for internal circuits of a transformer as claimed in claim 1, characterized in that: Telescopic rods (23) are fixedly connected to both sides of one end of the first cover plate (6), and the same ends of the two telescopic rods (23) are fixedly connected to the second cover plate (7).
6. A protective device for internal circuits of a transformer as claimed in claim 1, characterized in that: One end of the screw rod (21) is rotatably connected to one of the support plates (27).
7. A protective device for internal circuits of a transformer as claimed in claim 2, characterized in that: The material of the plurality of sleeves (31) is a copper tube material with relatively high toughness.
8. A protective device for internal circuits of a transformer as claimed in claim 1, characterized in that: The two support plates (27) are fixedly connected to the first bottom plate (1) and the second bottom plate (4) respectively.