An adjustable transformer skeleton structure

Abstract

The utility model provides a kind of skeleton structure of adjustable transformer, it is related to transformer accessory technical field, including port positioning plate, terminal block subassembly and ratchet winding assembly, port positioning plate is located at the top of ratchet winding assembly, terminal block subassembly is located at the bottom of ratchet winding assembly, by the multi-component cooperative transmission of ratchet winding assembly, the step precision adjustment of winding column and reverse self-locking positioning are realized by mechanical structure, to change the effective number of turns, spatial distribution and leakage inductance etc. Parameters of winding are conveniently changed without disassembling transformer, meanwhile, it is made of high-temperature-resistant insulating material, which greatly improves the efficiency of research and development, debugging and on-site maintenance. At the same time, the structure can maintain stable position under vibration, impact and other working conditions, avoiding the problem of easy loosening of traditional adjustable structure, enhancing operation reliability, significantly expanding the function and application range of transformer skeleton, effectively balancing the practicality and functionality in daily use, and more suitable for actual needs compared with traditional single mode.

Description

Technical Field

[0001] This utility model relates to the field of transformer accessories technology, and in particular to a skeleton structure for an adjustable transformer. Background Technology

[0002] The transformer skeleton is the core insulating framework of the transformer. It is made of high-temperature resistant insulating material, which enables it to maintain excellent structural stability, insulation performance and mechanical strength in high-temperature environments. Its main functions are to support the enameled wire winding to prevent it from falling off, fix the magnetic core to ensure coaxiality and reduce magnetic leakage, isolate the winding from the magnetic core and pins to avoid short circuits, and lead the current through the terminal pins, ultimately ensuring the stable and safe operation of the transformer.

[0003] In traditional transformer frame structures, once the windings are wound, it is not convenient to adjust parameters such as the effective number of turns and spatial distribution of the windings. If performance needs to be changed, it is often necessary to disassemble and rewind the windings. Dynamic adjustment is not possible, and the winding position may be shifted due to vibration or external force, which in turn affects the stability of the transformer's electrical performance and ultimately affects the practicality and applicability of the device. Utility Model Content

[0004] To address the problem that traditional adjustable transformers cannot easily adjust the windings or dynamically adjust the frame structure, this invention proposes an adjustable transformer frame structure. By adjusting the windings through a ratchet structure, the effective number of turns and spatial distribution of the windings can be easily changed without disassembly, significantly improving the efficiency of R&D, debugging, and parameter optimization. This design differs from the traditional single-structure model and enhances operational efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable transformer frame structure, including a port positioning plate, a terminal assembly, and a ratchet winding assembly, wherein the port positioning plate is located at the top of the ratchet winding assembly, and the terminal assembly is located at the bottom of the ratchet winding assembly; The ratchet winding assembly includes a central shaft, a sliding shaft is fitted at the center of the outer surface of the central shaft, ratchet wheels are fitted at the front and rear ends of the outer surface of the central shaft, and one end of the outer wall of the central shaft is connected to the opposite end of the port positioning plate. The sliding shaft is fixedly connected to the opposite side of the two ratchet wheels, and the inner and outer ring dimensions of the two ratchet wheels are equal to those of the sliding shaft.

[0006] Preferably, a winding post is fitted on the outer surface of the sliding shaft, and ratchet grooves are respectively opened at the front and rear ends of the inner wall of the winding post, and a fixed bracket is fixedly connected to the inner surface of the two ratchet grooves.

[0007] Preferably, both fixed supports are fitted with pawls on their outer surfaces, and the two pawls are used to lock the ratchet when the winding post rotates in the opposite direction, thereby limiting the rotation direction of the winding post.

[0008] Preferably, each of the two pawls and the pawl groove has a slot on its opposite side, and a spring plate can be detachably connected between the inner walls of the two slots. The two spring plates are made of carbon fiber and are used to provide support for the pawls.

[0009] Preferably, baffles are fixedly connected to both ends of the outer wall of the winding post, and the two baffles are used to restrict the position of the winding.

[0010] Preferably, the terminal block assembly includes a terminal baffle, which provides a winding base for the ratchet winding assembly.

[0011] Preferably, seven terminal pins are arranged and connected to both ends of the bottom outer surface of the terminal baffle. The top of the terminal baffle is connected to the bottom of the central shaft. The terminal baffle is used to provide support for the terminal pins and to separate different pins. The terminal pins are used for welding and winding, and the terminal pins are electrically connected to the external circuit.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: In this invention, by utilizing the multi-component coordinated transmission of the ratchet winding assembly, the winding column is precisely adjusted in a stepwise manner and self-locked in the reverse direction through a mechanical structure. This allows for convenient changes to parameters such as the effective number of turns, spatial distribution, and leakage inductance of the winding without disassembling the transformer, significantly improving the efficiency of R&D, debugging, and on-site maintenance. At the same time, this structure can maintain positional stability under vibration and impact conditions, avoiding the problem of loosening in traditional adjustable structures, enhancing operational reliability, and significantly expanding the function and application range of the transformer frame. It effectively balances practicality and functionality in daily use, making it more suitable for actual needs compared to the traditional single-mode design. Attached Figure Description

[0013] Figure 1 This is a perspective view of the main structure of the skeleton structure of an adjustable transformer proposed in this utility model. Figure 2 This is a front view cross-sectional view of the skeleton structure of an adjustable transformer proposed in this utility model. Figure 3 This is a plan view of the ratchet winding assembly in the skeleton structure of an adjustable transformer proposed in this utility model; Figure 4 This diagram shows the positional relationship of the ratchet winding assembly in the skeleton structure of an adjustable transformer proposed in this utility model. Figure 5 for Figure 4 Enlarged view of the structure at point A in the image; Figure 6 for Figure 4 Enlarged view of the structure at point B in the image.

[0014] Legend: 1. Port positioning plate; 2. Terminal assembly; 201. Terminal baffle; 202. Terminal pin; 3. Ratchet winding assembly; 301. Central shaft; 302. Ratchet; 303. Sliding shaft; 304. Winding post; 305. Baffle; 306. Pad; 307. Spring plate; 308. Fixing bracket; 309. Pad groove. Detailed Implementation

[0015] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0016] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0017] In the embodiments, according to Figures 1-2 As shown, this utility model provides a technical solution: an adjustable transformer frame structure, including a port positioning plate 1, a terminal assembly 2, and a ratchet winding assembly 3. The port positioning plate 1 is located on the top of the ratchet winding assembly 3, and the terminal assembly 2 is located on the bottom of the ratchet winding assembly 3.

[0018] The terminal block assembly 2 includes a terminal baffle 201, which provides a winding base for the ratchet winding assembly 3.

[0019] Seven terminal pins 202 are arranged and connected to both ends of the bottom outer surface of the terminal baffle 201. The terminal baffle 201 is used to provide support for the terminal pins 202 and to separate different pins. The terminal pins 202 are used for welding and winding, and the terminal pins 202 are electrically connected to the external circuit.

[0020] Specifically: When the staff installs this device, the port positioning plate 1 is first installed on the top of the ratchet winding assembly 3 to provide a winding base for the ratchet winding assembly 3. Then, the terminal assembly 2 is installed on the bottom of the ratchet winding assembly 3. The bottom outer surface of the terminal baffle 201 in the terminal assembly 2 has seven terminal pins 202 arranged and connected at both ends. The terminal baffle 201 mainly helps the winding to be wound in an orderly manner, and at the same time plays a role in accurately fixing the magnetic core when the external magnetic core is installed, ensuring that the magnetic core and the winding post 304 are coaxial and reducing magnetic leakage. The terminal pins 202 are used to weld the winding, fix and conduct the winding leads on the ratchet winding assembly 3, and at the same time, the terminal pins 202 are electrically connected to the external circuit, thereby realizing a reliable connection between the winding and the external circuit.

[0021] In some embodiments, according to Figures 2-5 As shown, the ratchet winding assembly 3 includes a central shaft 301. A sliding shaft 303 is sleeved at the center of the outer surface of the central shaft 301. Ratchets 302 are respectively sleeved at the front and rear ends of the outer surface of the central shaft 301. One end of the outer wall of the central shaft 301 is connected to the opposite end of the port positioning plate 1. The sliding shaft 303 is fixedly connected to the opposite side of the two ratchet wheels 302. The inner and outer ring dimensions of the two ratchet wheels 302 are equal to those of the sliding shaft 303.

[0022] The outer surface of the sliding shaft 303 is fitted with a winding post 304. The inner wall of the winding post 304 has ratchet grooves 309 at both ends. The inner surfaces of the two ratchet grooves 309 are fixedly connected to fixed brackets 308. The outer surfaces of the two fixed brackets 308 are fitted with ratchet 306. The two ratchet 306 are used to lock the ratchet 302 when the winding post 304 rotates in the opposite direction, thereby limiting the rotation direction of the winding post 304. The outer walls of the winding post 304 are fixedly connected to baffles 305. The two baffles 305 are used to limit the winding position.

[0023] Each of the two pawls 306 and the pawl groove 309 has a slot on its opposite side. A spring plate 307 is detachably connected between the inner walls of the two slots. The two spring plates 307 are made of carbon fiber and are used to provide support for the pawls 306.

[0024] The overall effect of this embodiment is as follows: The aforementioned components form a complete adjustable transformer skeleton structure. The port positioning plate 1 provides a stable mounting base for the central shaft 301. One end of the outer wall of the central shaft 301 is connected to the port positioning plate 1, ensuring the installation stability of the entire ratchet winding assembly 3. The sliding shaft 303, fitted at the center of the outer surface of the central shaft 301, is fixedly connected to the opposite side of the ratchet 302 fitted at both ends, and the inner and outer ring dimensions of both are equal. This ensures the coaxiality of the ratchet 302 and the sliding shaft 303, preventing eccentric offset during rotation and laying a foundation for the smooth rotation of the winding column 304. The inner wall of the winding post 304, which is sleeved on the outer surface of the sliding shaft 303, has ratchet grooves 309 at both ends to provide installation space for the fixed bracket 308. The fixed bracket 308 is fixedly connected to the inner surface of both ratchet grooves 309. The ratchet 306 sleeved on the outer surface of the fixed bracket 308 can precisely engage the ratchet 302 when the winding post 304 rotates in the opposite direction, effectively limiting the rotation direction of the winding post 304 and preventing it from loosening in the reverse direction due to external force or vibration during winding or after adjustment, thus ensuring the stability of the winding position. A spring is detachably connected to the groove on the opposite side of the ratchet 306 and the ratchet groove 309. Spring plate 307 ensures a tight fit between pawl 306 and ratchet 302. Made of carbon fiber, spring plate 307 provides support for pawl 306 while maintaining sufficient rebound force, preventing short circuits caused by transformer voltage instability due to metal materials. It also possesses excellent wear resistance and fatigue resistance, extending component lifespan. Its detachable design facilitates future maintenance and replacement. Baffles 305, fixedly connected to both ends of the winding post 304, precisely limit the winding range on the winding post 304, preventing the enameled wire from detaching from both ends of the winding post 304 during winding, ensuring... Regarding the winding regularity, in actual winding and parameter adjustment operations, the operator can drive the winding post 304 to rotate along the sliding shaft 303 in conjunction with the ratchet 302. With the cooperation of the pawl 306 and the ratchet 302, step-by-step adjustment can be achieved, precisely controlling the number of winding turns and the winding position. After adjustment, the pawl 306 is firmly locked with the ratchet 302 under the support of the spring plate 307, achieving reliable positioning without additional locking fasteners. Compared with traditional devices, this device can realize segmented rapid rotation adjustment of the winding assembly, effectively balancing practicality and functionality in daily use, and is more suitable for actual needs than the traditional single mode.

[0025] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any other way. Any person skilled in the art may make changes to the above-disclosed technical content and apply equivalent embodiments to other fields. However, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A frame structure for an adjustable transformer, characterized in that: It includes a port positioning plate (1), a terminal block assembly (2) and a ratchet winding assembly (3), wherein the port positioning plate (1) is located on the top of the ratchet winding assembly (3) and the terminal block assembly (2) is located on the bottom of the ratchet winding assembly (3); The ratchet winding assembly (3) includes a central shaft (301), a sliding shaft (303) is sleeved at the center of the outer surface of the central shaft (301), ratchet wheels (302) are respectively sleeved at the front and rear ends of the outer surface of the central shaft (301), and one end of the outer wall of the central shaft (301) is connected to the opposite end of the port positioning plate (1). The sliding shaft (303) is fixedly connected to the opposite side of the two ratchet wheels (302), and the inner and outer ring dimensions of the two ratchet wheels (302) are equal to those of the sliding shaft (303).

2. The frame structure of the adjustable transformer according to claim 1, characterized in that: The outer surface of the sliding shaft (303) is fitted with a winding post (304), and the front and rear ends of the inner wall of the winding post (304) are respectively provided with pawl grooves (309), and the inner surfaces of the two pawl grooves (309) are fixedly connected with fixed brackets (308).

3. The frame structure of the adjustable transformer according to claim 2, characterized in that: Both of the fixed brackets (308) are fitted with pawls (306) on their outer surfaces, and the two pawls (306) are used to lock the ratchet (302) when the winding post (304) rotates in the opposite direction, thereby limiting the rotation direction of the winding post (304).

4. The frame structure of the adjustable transformer according to claim 3, characterized in that: Each of the two pawls (306) and the pawl groove (309) has a slot on its opposite side. A spring plate (307) can be detachably connected between the inner walls of the two slots. The two spring plates (307) are made of carbon fiber and are used to provide support for the pawls (306).

5. The frame structure of the adjustable transformer according to claim 4, characterized in that: Both ends of the outer wall of the winding post (304) are fixedly connected with baffles (305), and the two baffles (305) are used to restrict the position of the winding.

6. The frame structure of the adjustable transformer according to claim 1, characterized in that: The terminal block assembly (2) includes a terminal baffle (201), which is used to provide a winding base for the ratchet winding assembly (3).

7. The frame structure of the adjustable transformer according to claim 6, characterized in that: The bottom outer surface of the terminal baffle (201) is connected to seven terminal pins (202) at both ends. The top of the terminal baffle (201) is connected to the bottom of the central shaft (301). The terminal baffle (201) is used to provide support for the terminal pins (202) and to separate different pins. The terminal pins (202) are used for welding wires and are electrically connected to the external circuit.

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