Electric reactor equivalent scaling model

Abstract

The invention provides an electric reactor equivalent scale model, which belongs to the technical field of electrical equipment testing and comprises a top connecting piece, a base, an iron core column assembly and a connecting assembly. The base is located below the top connecting piece. The iron core column assembly is arranged between the top connecting piece and the base, the top of the iron core column assembly is connected with the top connecting piece, the bottom of the iron core column assembly is connected with the base, the iron core assembly comprises a plurality of iron core cakes and a plurality of air gap cushion blocks, and the air gap cushion blocks are arranged in gaps between the adjacent iron core cakes and abut against the adjacent iron core cakes; the air gap cushion block comprises a plurality of air gap gaskets, and the overall length of the air gap cushion block and the iron core column assembly is adjusted by adjusting the number of the air gap gaskets. The top of the connecting assembly is connected with the top connecting piece, and the bottom is connected with the base. The overall length of the air gap cushion block and the iron core column assembly can be flexibly adjusted by adjusting the number of the air gap gaskets, and the problem that the length of an existing model iron core is fixed and cannot be flexibly adjusted according to test requirements is effectively solved.

Description

Technical Field

[0001] This invention belongs to the technical field of power equipment testing, and more specifically, relates to an equivalent scaled-down model of a reactor. Background Technology

[0002] As key equipment in power systems used to limit short-circuit currents and compensate reactive power, reactors are crucial for ensuring the stable operation of power systems through performance testing and optimization. However, actual reactors are large and heavy, making full-scale testing not only costly but also limited by site and equipment constraints, hindering efficient performance studies under various operating conditions. Therefore, constructing equivalent scaled-down models to simulate the electromagnetic characteristics and mechanical properties of actual reactors has become an important means to reduce testing costs and shorten the development cycle. The equivalent scaled-down reactor model, based on the principle of similarity, reduces the structural parameters of the actual reactor by a certain proportion, ensuring that the model remains equivalent to the prototype in key performance indicators, thereby enabling the simulation and testing of the prototype reactor's performance.

[0003] Existing equivalent scaled-down reactor models suffer from the following drawbacks: The core, as the core component of the reactor's magnetic circuit, has a significant impact on the model's permeability and loss characteristics due to its length. However, the core length in existing models is mostly fixed and cannot be flexibly adjusted according to experimental requirements. This necessitates the creation of separate scaled-down models for each reactor prototype with different models and core lengths. This not only increases the material and time costs of model fabrication but also results in poor model versatility, making it difficult to adapt to the testing needs of multi-specification reactors, thus limiting the improvement of experimental efficiency and the expansion of research scope. Summary of the Invention

[0004] The purpose of this invention is to provide an equivalent scaled-down model of a reactor, which aims to solve the problem that the core length of existing models is mostly fixed and cannot be flexibly adjusted according to experimental requirements.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is: to provide an equivalent scaled-down model of a reactor, comprising: Top connector; The base is located below the top connector; A core column assembly is disposed between the top connector and the base. The top of the core column assembly is connected to the top connector, and the bottom is connected to the base. The core assembly includes multiple core discs and multiple air gap blocks. The air gap blocks are disposed in the gaps between adjacent core discs and abut against adjacent core discs. Each air gap block includes multiple air gap shims. The overall length of the prime number of air gap shims and the core column assembly is adjusted by adjusting the number of air gap shims. The connecting component is connected at the top to the top connector and at the bottom to the base.

[0006] In one possible implementation, a connecting groove is formed on the end face of the iron core disc, and a connecting block is provided on the end face of the air gap pad. The connecting block is snapped into the connecting groove, and the connecting block and the connecting groove are interference fit.

[0007] In one possible implementation, the air gap pad assembly includes multiple air gap pads of different thicknesses.

[0008] In one possible implementation, the air gap gasket has a slot on one side and a block on the other side, the block being adapted to the slot, and adjacent air gap gaskets being connected to the slot via the block.

[0009] In one possible implementation, the connection component includes: A connecting stud is provided, and both the top connector and the base have connecting holes. The ends of the connecting stud pass through the connecting holes on the top connector and the base, respectively. A lock nut is provided at the end of the connecting stud, and the lock nut abuts against the side of the top connector away from the base or against the side of the base away from the top connector.

[0010] In one possible implementation, a fine-tuning component is further included, disposed between the top connector and the core post assembly or between the base and the core post assembly, the fine-tuning component comprising: A threaded post, connected to the top connector or the base; and An adjusting element is sleeved on the threaded post and threadedly engaged with the threaded post, and the adjusting element abuts against the end of the core post assembly.

[0011] In one possible implementation, the adjusting element includes: An adjusting ring is fitted onto the threaded post and threadedly engages with it; and A contact element is sleeved on the threaded post and slidably engaged with the threaded post. The end of the contact element is rotatably connected to the end of the adjusting ring. The adjusting ring rotates around its own axis. When the adjusting ring rotates around its own axis, it drives the contact element to slide along the axial direction of the threaded post and abut against the end face of the iron core post assembly.

[0012] In one possible implementation, the adjusting ring is provided with a scale, the scale is provided with graduations, and the contact member is provided with a pointer.

[0013] In one possible implementation, the side of the iron core disc is provided with a shock-absorbing pad.

[0014] In one possible implementation, a shock-absorbing seat is provided on the base, and the iron core column assembly is fixedly connected to the shock-absorbing seat.

[0015] The beneficial effects of the reactor equivalent scale-down model provided by this invention are as follows: Compared with the prior art, the reactor equivalent scale-down model of this invention, by designing the core column assembly to include multiple core discs and multiple air gap pads, and the air gap pads being composed of multiple air gap shims, allows for flexible adjustment of the overall length of the air gap pads and core column assembly by adjusting the number of air gap shims. This effectively solves the problem of fixed core length in existing models, which cannot be flexibly adjusted according to experimental requirements. This allows the model to adapt to prototype testing of reactors of different models and with different core length parameters, eliminating the need to manufacture a separate scale-down model for each model. This reduces the material and time costs of model manufacturing, improves the model's versatility, and facilitates expanding the research scope and improving experimental efficiency. Simultaneously, the cooperation of the top connector, base, and connecting components stably supports the core column assembly, ensuring the stability of the model structure and providing a reliable structural foundation for accurately simulating the electromagnetic characteristics and mechanical properties of actual reactors. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the equivalent scaled-down model of the reactor provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the iron core disc and air gap pad provided in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the air gap pad provided in an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the fine-tuning component provided in an embodiment of the present invention.

[0018] Explanation of reference numerals in the attached figures: 1. Top connector; 2. Base; 3. Iron core column assembly; 31. Iron core disc; 311. Connecting groove; 32. Air gap pad; 321. Locking block; 322. Locking groove; 323. Connecting block; 4. Connecting components; 41. Connecting studs; 42. Locking nuts; 5. Fine-tuning component; 51. Threaded post; 52. Adjusting element; 521. Adjusting ring; 522. Contact element; 53. Dial; 6. Shock-absorbing pads; 7. Shock-absorbing seat. Detailed Implementation

[0019] To make the technical problems, solutions, and beneficial effects of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0020] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0021] It should be further noted that the accompanying drawings and embodiments of the present invention mainly describe the concept of the present invention. Based on this concept, some specific forms and arrangements of connection relationships, positional relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be fully described. However, under the premise that those skilled in the art understand the concept of the present invention, they can implement the above-mentioned specific forms and arrangements in a well-known manner.

[0022] When a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0023] In the description of this invention, "a plurality of" means two or more, and "several" means one or more, unless otherwise explicitly specified.

[0024] The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself; the term "length"... "Width", "Top", "Bottom", "Front", "Back", "Left", "Right", "Vertical" The terms "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the purpose of facilitating the description of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0025] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," and "above" are used here to describe the spatial positional relationship between a device or feature and other devices or features, as shown in the figure. It should be understood that spatial relative terms are intended to... The invention includes different orientations of the device in use or operation, in addition to those described in the figures. For example, if a device in the figures is inverted, a device described as "above" or "on top of" other devices or structures will be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below". The device may also be positioned in other different ways, and the spatial relative descriptions used herein are interpreted accordingly. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality of" means two or more, and "a number" means one or more, unless otherwise explicitly specified.

[0026] Reference Figures 1 to 4 The equivalent scaled-down model of the reactor provided by the present invention will now be described. The equivalent scaled-down model of the reactor includes a top connector 1, a base 2, a core column assembly 3, and a connecting assembly 4.

[0027] The base 2 is located below the top connector 1. The core column assembly 3 is positioned between the top connector 1 and the base 2. The top of the core column assembly 3 is connected to the top connector 1, and the bottom is connected to the base 2. The core assembly includes multiple core discs 31 and multiple air gap blocks 32. The air gap blocks 32 are positioned in the gaps between adjacent core discs 31 and abut against adjacent core discs 31. Each air gap block 32 includes multiple air gap shims, and the overall length of the prime number of air gap blocks 32 and the core column assembly 3 is adjusted by changing the number of air gap shims. The connecting assembly 4 is connected to the top connector 1 at the top and to the base 2 at the bottom.

[0028] The core disc 31 is made of stacked high-permeability silicon steel sheets. Silicon steel sheets have low iron loss characteristics, effectively reducing hysteresis and eddy current losses during model operation, ensuring the electromagnetic characteristics are equivalent to the prototype reactor. The surface of the silicon steel sheets can be treated with an insulating coating to further reduce inter-sheet eddy currents, improve magnetic circuit efficiency, and enhance the structural stability of the core disc 31, preventing loosening between sheets during long-term use.

[0029] The air gap gasket can be made of high-strength epoxy fiberglass cloth, which has excellent insulation and mechanical strength. It can support the core disc 31 while blocking the magnetic circuit, preventing leakage magnetic interference at the air gap and ensuring accurate simulation of the model's magnetic permeability characteristics. In addition, polytetrafluoroethylene (PTFE) gaskets of different thicknesses can be used as auxiliary adjustment components 52. Their aging resistance and resistance to high and low temperatures make them suitable for long-term testing environments, and their low coefficient of friction facilitates quick assembly, disassembly, and quantity adjustment of the air gap gaskets. The combination of these two materials satisfies both the air gap insulation and support requirements, and allows for precise control of the overall length of the core column assembly 3 through flexible adjustments, improving the model's adaptability to different reactor prototypes.

[0030] By employing a structure that alternates between multiple core discs 31 and multiple air gap pads 32, where each air gap pad 32 is composed of multiple air gap shims, the overall length of the air gap pads 32 and the core column assembly 3 can be flexibly changed by adjusting the number of air gap shims, effectively solving the defect of fixed core length in existing models. This allows the model to be adapted to reactor prototypes of different models and core length parameters, eliminating the need to manufacture separate models for each specification, significantly reducing material and time costs, and improving the model's versatility. Simultaneously, adjacent core discs 31 abut against each other through air gap pads 32 to form a complete magnetic circuit. The air gap shims ensure both the reasonable segmentation of the magnetic circuit to simulate the magnetic permeability characteristics of the prototype reactor and the stable mechanical structure to ensure the overall structural strength of the core column assembly 3. This provides a reliable foundation for accurately simulating the electromagnetic characteristics (such as permeability and loss characteristics) and mechanical properties of actual reactors, facilitating the expansion of the experimental range and improving testing efficiency.

[0031] In one possible implementation, a connecting groove 311 is provided on the end face of the iron core disc 31, and a connecting block 323 is provided on the end face of the air gap pad 32. The connecting block 323 is snapped into the connecting groove 311, and the connecting block 323 and the connecting groove 311 are interference fit.

[0032] The connecting groove 311 on the end face of the core disc 31 and the connecting block 323 on the end face of the air gap pad 32 are designed with a snap-fit ​​and interference fit. This allows for precise positioning between the core disc 31 and the air gap pad 32, effectively preventing relative displacement or rotation during assembly and testing, and ensuring the overall stability of the core column assembly 3. The interference fit also enhances the tightness of the connection, reduces magnetic leakage caused by gaps, ensures the continuity and integrity of the magnetic circuit, and thus improves the accuracy of the model in simulating the electromagnetic characteristics of the prototype reactor. Simultaneously, this snap-fit ​​structure facilitates the quick disassembly and replacement of the air gap pad 32. Combined with adjustments to the number of air gap pads, it further improves the ease of length adjustment of the core column assembly 3 while ensuring connection reliability, making the model more flexible in adapting to the testing needs of prototype reactors of different specifications.

[0033] In a preferred embodiment, the core disc 31 adopts a cylindrical structure, with four dovetail-shaped connecting grooves 311 evenly spaced circumferentially on its upper and lower end faces. The width of the groove opening 311 is smaller than the width of the groove bottom, and the groove wall is an inclined wedge-shaped surface. The air gap pad 32 is correspondingly designed as a cylinder adapted to the core disc 31, with four dovetail-shaped connecting blocks 323 matching the dovetail-shaped connecting grooves 311 on its upper and lower end faces. The outer wall of the connecting block 323 is a wedge-shaped structure that fits against the inclined surface of the connecting groove 311. During assembly, the connecting block 323 is inserted into the connecting groove 311 along the axial direction of the core disc 31. The tight fit of the wedge-shaped surfaces achieves an interference fit, which not only ensures the circumferential positioning of the core disc 31 and the air gap pad 32, preventing relative rotation, but also enhances the stability of the axial connection and avoids structural loosening due to vibration during the test.

[0034] In a preferred embodiment, the core disc 31 adopts a regular hexagonal structure, with a cross-shaped connecting groove 311 at the center of its end face. The depth of the groove is one-third of the thickness of the core disc 31, and the groove wall is perpendicular to the end face. The air gap pad 32 is correspondingly designed as a regular hexagon, with a cross-shaped connecting block 323 at the center of its end face that matches the cross-shaped connecting groove 311. The height of the connecting block 323 is the same as the depth of the connecting groove 311, and the width of the four arms of the connecting block 323 is slightly larger than the width of the connecting groove 311. Through the interference fit of the cross-shaped structure, precise alignment of the core disc 31 and the air gap pad 32 can be achieved, ensuring the coaxiality of the magnetic circuit. At the same time, the vibration load can be dispersed through multi-directional contact force, improving the impact resistance of the overall structure, which is especially suitable for high-power test scenarios.

[0035] In one possible implementation, the air gap pad group 32 includes multiple air gap pads of different thicknesses.

[0036] Multiple air gap shims of varying thicknesses allow for more precise and flexible adjustment of the overall thickness of the air gap shim 32. Coarse adjustments can be made by increasing or decreasing the number of shims, while precise fine adjustments to the overall length of the air gap shim 32 and the core column assembly 3 can be achieved by combining shims of different thicknesses. This effectively improves the accuracy of adapting to the core length parameters of prototype reactors of different specifications. Simultaneously, the diverse thickness options better match the non-uniform distribution characteristics of the air gap in the prototype reactor, more realistically simulating the segmented structure of the actual magnetic circuit. This reduces electromagnetic characteristic simulation deviations caused by insufficient length adjustment precision, further ensuring the equivalence of the model and prototype in key indicators such as permeability and loss characteristics. This expands the model's applicability in multi-condition tests and improves the reliability of test data.

[0037] In a preferred embodiment, the air gap shims are available in three thicknesses: 0.5mm, 1mm, and 2mm. The 0.5mm shim is the basic adjustment unit, while the 1mm and 2mm shims are used to quickly adapt to larger length requirements. When the length of the air gap block 32 needs to be adjusted, fine adjustments in 0.5mm intervals can be achieved by combining different numbers of 0.5mm shims. Using 1mm or 2mm shims reduces the total number of shims and avoids structural loosening caused by excessive stacking. For example, if the length of the air gap block 32 needs to be adjusted from 5mm to 7.5mm, five 1mm shims can be replaced with three 2mm shims, one 1mm shim, and one 0.5mm shim, ensuring both adjustment accuracy and maintaining the overall stability of the air gap block 32.

[0038] In a preferred embodiment, the air gap shims are provided with three thicknesses: 1mm, 3mm, and 5mm, and the thickness value is marked on the edge of each thickness shim. The 1mm shims are used for small-range fine adjustments, while the 3mm and 5mm shims are suitable for medium to large-range length adjustments. The combination of the three specifications can cover adjustment needs from 1mm to any integer millimeter in length. When simulating a reactor prototype with a large variation in the length of the core column assembly 3, increasing the number of 5mm shims can quickly reach the target length and reduce assembly time; while for scenarios requiring precise matching of the prototype's air gap parameters, the fine adjustment of the 1mm shims can ensure the equivalence of magnetic circuit characteristics.

[0039] In a preferred embodiment, the air gap shims employ three non-uniform thicknesses: 0.2mm, 0.8mm, and 3mm. The 0.2mm shims are used for ultra-high precision adjustment, the 0.8mm shims serve as intermediate adjustment units, and the 3mm shims are used for large-scale adjustments. This design is particularly suitable for reactor prototypes that need to simulate minute differences in air gap length. For example, when the prototype core air gap has specific values ​​such as 0.2mm, 1.0mm, and 3.2mm, it can be accurately reproduced through a combination of corresponding shims. Simultaneously, the combination of 0.8mm and 3mm shims achieves a wider range of length coverage while reducing the total number of shims, balancing adjustment accuracy and structural compactness, and avoiding increased magnetic leakage due to excessive shims.

[0040] In one possible implementation, a slot 322 is provided on one side of the air gap gasket, and a block 321 is provided on the other side. The block 321 is adapted to the slot 322, and adjacent air gap gaskets are connected to the slot 322 through the block 321.

[0041] The slot 322 on one side of the air gap pad is adapted to the block 321 on the other side, allowing adjacent air gap pads to be connected via the block 321 and the slot 322. This design firstly enhances the overall structural stability of the air gap pad block 32, avoiding length deviations caused by loosening or misalignment when multiple air gap pads are stacked, and ensuring the accuracy of overall length adjustment of the core column assembly 3. The snap-fit ​​structure facilitates the quick assembly and disassembly of air gap pads and the adjustment of their quantity. During the addition or removal of pads, the relative positions of each pad remain fixed, reducing assembly errors caused by operational mistakes. At the same time, this connection method can also block the leakage magnetic path at the air gap to a certain extent, reducing electromagnetic interference between adjacent pads, further ensuring the equivalence of the magnetic circuit characteristics with the prototype reactor, and improving the reliability and adaptability of the model under different test conditions.

[0042] In one possible implementation, the connecting component 4 includes a connecting stud 41 and a lock nut 42.

[0043] Both the top connector 1 and the base 2 of the connecting stud 41 have connecting holes, and the ends of the connecting stud 41 pass through the connecting holes on the top connector 1 and the base 2, respectively. The anti-loosening nut 42 is provided at the end of the connecting stud 41, and the anti-loosening nut 42 abuts against the side of the top connector 1 away from the base 2 or against the side of the base 2 away from the top connector 1.

[0044] The connecting assembly 4, with its connecting studs 41 passing through the connecting holes of the top connector 1 and the base 2, and secured by the anti-loosening nut 42, firmly connects the top connector 1, the core column assembly 3, and the base 2 into a single unit. This ensures that the core column assembly 3 remains under stable stress during testing, preventing structural loosening from affecting the stability of the magnetic circuit characteristics. The anti-loosening nut 42 effectively prevents the connecting studs 41 from loosening during long-term vibration or frequent adjustments, enhancing the structural reliability and fatigue resistance of the model.

[0045] Meanwhile, this bolted connection method facilitates overall disassembly and maintenance. When it is necessary to replace the iron core disc 31 or adjust the air gap shim, the top connector 1 and the base 2 can be quickly separated by removing the anti-loosening nut 42, which improves the ease of operation. Moreover, the length of the connecting stud 41 can be flexibly adapted according to the adjustment range of the iron core column assembly 3, which further ensures the connection stability of the model under different length specifications and provides reliable structural support for accurately simulating reactor performance.

[0046] In one possible implementation, a fine-tuning component 5 is also included. The fine-tuning component 5 is disposed between the top connector 1 and the core column assembly 3, or between the base 2 and the core column assembly 3. The fine-tuning component 5 includes a threaded post 51 and an adjusting member 52. The threaded post 51 is connected to the top connector 1 or the base 2. The adjusting member 52 is sleeved on the threaded post 51 and threadedly engaged with it, and the adjusting member 52 abuts against the end of the core column assembly 3.

[0047] By engaging the threaded post 51 with the adjusting member 52, the adjusting member 52 can be rotated to move the post 51 axially, thereby creating a thrust or releasing pressure at the end of the core post assembly 3. Based on the adjustment of the number of air gap shims, a fine-tuning of the overall length of the core post assembly 3 is achieved, effectively compensating for adjustment errors that may arise due to limitations in the thickness of the air gap shims. This allows the length parameters of the core post assembly 3 to more accurately match the requirements of different reactor prototypes, significantly improving the model's accuracy in simulating the electromagnetic characteristics of the prototype. Furthermore, this fine-tuning structure allows adjustment without disassembling the core post assembly 3, making operation convenient and efficient. This further enhances the model's adaptability to multi-specification reactor prototypes, improving experimental efficiency and the reliability of test data.

[0048] In one possible implementation, the adjusting member 52 includes an adjusting ring 521 and a contact member 522.

[0049] An adjusting ring 521 is sleeved on a threaded post 51 and threadedly engaged with it. A contact 522 is sleeved on a threaded post 51 and slidably engaged with it. The end of the contact 522 is rotatably connected to the end of the adjusting ring 521. The adjusting ring 521 rotates around its own axis. When the adjusting ring 521 rotates around its own axis, it drives the contact 522 to slide along the axial direction of the threaded post 51 and abut against the end face of the core post assembly 3.

[0050] The threaded post 51 has external threads on its side and at least one axial groove. The groove penetrates the outer surface of the threaded post 51 and breaks the external threads, forming a structure where threads and grooves are alternately distributed. The inner wall of the adjusting ring 521 has internal threads that match the external threads of the threaded post 51. It is threaded onto the threaded post 51 and can rotate around the axis of the threaded post 51 and move axially. The contact member 522 is cylindrical and is fitted onto the threaded post 51. Its inner wall has protrusions that match the grooves. The protrusions are embedded in the grooves and slide with them, so that the contact member 522 can only slide axially along the threaded post 51 and cannot rotate. The end of the contact 522 near the adjusting ring 521 is rotatably connected to the end of the adjusting ring 521 through a bearing. When the adjusting ring 521 rotates around the axis of the threaded column 51, it moves axially through the threaded drive. At the same time, the bearing pushes the contact 522 to slide axially along the groove, so that the end of the contact 522 away from the adjusting ring 521 abuts against the end face of the iron core column assembly 3.

[0051] The structure restricts the rotation of the contact 522 through the cooperation of the groove and the protrusion, ensuring that it only makes axial displacement. This avoids friction and wear caused by rotation when the contact 522 comes into contact with the end of the iron core column assembly 3. At the same time, the stability of the threaded drive ensures the precision and controllability of the fine-tuning process and improves the reliability of length adjustment.

[0052] In one possible implementation, the adjusting ring 521 is provided with a dial 53, the dial 53 is provided with a scale, and the contact member 522 is provided with a pointer.

[0053] The scale 53 on the adjusting ring 521 works in conjunction with the pointer on the contact 522 to visually reflect the rotation angle of the adjusting ring 521, thereby accurately quantifying the displacement of the contact 522 along the axial direction of the threaded column 51. This solves the problem of difficulty in controlling the length adjustment accuracy during fine-tuning. Through the correspondence between the scale and the pointer, operators can precisely control the fine-tuning length of the core column assembly 3 according to experimental requirements, avoiding over-adjustment or under-adjustment, and significantly improving the accuracy and repeatability of length adjustment. At the same time, this visual adjustment method simplifies the operation process, reduces the dependence on operator experience, and facilitates the rapid matching of core length parameters required for different reactor prototypes. This further ensures the accuracy of the model's simulation of the prototype's electromagnetic characteristics, and improves experimental efficiency and data reliability.

[0054] In one possible implementation, the side of the iron core disc 31 is provided with a shock-absorbing pad 6.

[0055] The vibration damping pads 6 installed on the sides of the core disc 31 effectively absorb and buffer the vibration energy generated during the test operation of the equivalent scale model of the reactor, reducing mutual collisions or friction between the core discs 31 caused by vibration, thereby reducing structural wear and extending the service life of the core assembly. Simultaneously, the vibration damping pads 6 weaken vibration transmission, preventing vibration from affecting the overall structural stability of the core column assembly 3, preventing problems such as loosening of air gap gaskets and displacement of connecting structures due to vibration, and ensuring the stability of magnetic circuit characteristics and the accuracy of test data. Furthermore, the vibration damping pads 6 also reduce vibration-generated noise, improve the test environment, and their placement does not interfere with the magnetic circuit performance of the core disc 31. While ensuring the electromagnetic characteristics of the model are equivalent to the prototype, this enhances the operational reliability and applicability of the model.

[0056] In one possible implementation, the base 2 is provided with a shock-absorbing seat 7, and the iron core column assembly 3 is fixedly connected to the shock-absorbing seat 7.

[0057] The damping seat 7, mounted on the base 2, is fixedly connected to the core column assembly 3. Through its own buffering characteristics, the damping seat 7 absorbs the vibration energy generated during model operation, weakening the impact of vibration on the core column assembly 3 at the overall structural level. This prevents problems such as loosening of the air gap gaskets and displacement of the connection structure caused by vibration transmitted from the base 2 to the core column assembly 3, further ensuring the structural stability and consistency of the magnetic circuit characteristics of the core column assembly 3. Simultaneously, the damping seat 7 and the damping pads 6 on the side of the core disc 31 form a dual damping system, reducing local vibration friction between the core discs 31 and lowering the overall vibration transmission. This significantly improves the fatigue resistance and operational reliability of the model under long-term testing or high-power conditions, extending the model's service life without interfering with magnetic circuit equivalence. It provides a more stable structural foundation for accurately simulating reactor performance and also improves noise levels in the testing environment.

[0058] The beneficial effects of the reactor equivalent scale-down model provided by the present invention are as follows: Compared with the prior art, the air gap pad 32 in the reactor equivalent scale-down model of the present invention is composed of air gap pads of multiple specifications that can be added or removed. With the flexible combination of pads of different thicknesses, the length of the iron core column can be coarsely adjusted by adjusting the quantity, and fine adaptation can be achieved by using the combination of thicknesses. This completely solves the defect of fixed iron core length in traditional models, and can be adapted to various specifications of reactor prototypes, greatly reducing manufacturing costs and improving versatility.

[0059] The iron core disc 31 and the air gap pad 32 are precisely positioned by the interference fit connecting groove 311 and connecting block 323. The locking block 321 and locking groove 322 between the air gap pads enhance the stacking stability. With the overall fixation of the connecting stud 41 and the anti-loosening nut 42, the magnetic circuit is continuous and the structure is reliable, reducing magnetic leakage interference to ensure the accuracy of electromagnetic characteristic simulation.

[0060] The fine-tuning component 5 achieves minute adjustments through threaded transmission and a sliding groove limiting structure. The cooperation between the dial 53 and the pointer further enhances the controllability of the adjustment and compensates for errors caused by the limitations of the shim specifications. At the same time, the shock-absorbing pads 6 on the side of the iron core disc 31 and the shock-absorbing seat 7 on the base 2 form a dual shock absorption system, effectively absorbing vibration energy, reducing structural wear and noise, and ensuring performance stability during long-term testing.

[0061] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

[0062] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0063] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this application. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in the accompanying drawings.

Claims

1. An equivalent scaled model of a reactor, characterized in that, The utility model relates to a kind of iron core column assemblies and connecting assemblies, including: Top connector (1); Base (2), below the top connector (1); Iron core column assembly (3) is arranged between the top connector (1) and the base (2), the top of the iron core column assembly (3) is connected with the top connector (1), and the bottom is connected with the base (2), the iron core assembly includes a plurality of iron core pies (31) and a plurality of air gap pads (32), the air gap pad (32) is arranged in the gap between adjacent iron core pie (31), and is in abutment with adjacent iron core pie (31);The air gap pad (32) includes a plurality of air gap pads, the number of the air gap pad is adjusted to adjust the prime number air gap pad (32) and the overall length of the iron core column assembly (3);And Connecting assembly (4), top is connected with the top connector (1), and bottom is connected with the base (2).

2. The equivalent scaled model of a reactor according to claim 1, characterized in that, The end surface of the iron core pie (31) is provided with a connecting groove (311), and the end surface of the air gap pad (32) is provided with a connecting block (323), the connecting block (323) is clamped in the connecting groove (311), and the connecting block (323) is interference fit with the connecting groove (311).

3. The equivalent scaled model of a reactor according to claim 1, characterized in that, The air gap pad (32) group includes a plurality of air gap pads of different thicknesses.

4. The equivalent scaled model of a reactor according to claim 3, characterized in that, One side of the air gap pad is provided with a clamping groove (322), and the other side is provided with a clamping block (321), the clamping block (321) is matched with the clamping groove (322), and adjacent air gap pads are connected by the clamping block (321) and the clamping groove (322).

5. The equivalent scaled model of a reactor according to claim 1, characterized in that, The connecting assembly (4) includes: Connecting stud (41), the top connector (1) and the base (2) are provided with connecting holes, and the end of the connecting stud (41) is respectively arranged in the connecting hole of the top connector (1) and the base (2);And Lock nut (42), arranged at the end of the connecting stud (41), the lock nut (42) is in abutment with the side of the top connector (1) away from the base (2) or in abutment with the side of the base (2) away from the top connector (1).

6. The equivalent scaled model of a reactor according to claim 1, characterized in that, It also includes fine adjustment assembly (5), the fine adjustment assembly (5) is arranged between the top connector (1) and the iron core column assembly (3) or between the base (2) and the iron core column assembly (3), and the fine adjustment assembly (5) includes: Threaded column (51), connected on the top connector (1) or the base (2);And Adjusting part (52), sleeve is arranged on the threaded column (51) and is in threaded cooperation with the threaded column (51), and the adjusting part (52) is in abutment with the end of the iron core column assembly (3).

7. The equivalent scaled model of a reactor according to claim 6, characterized in that, The adjusting part (52) includes: Adjusting ring (521), sleeve is arranged on the threaded column (51) and is in threaded cooperation with the threaded column (51);And A contact piece (522) is sleeved on the threaded column (51) and is in sliding fit with the threaded column (51), the end of the contact piece (522) is rotationally connected with the end of the adjusting ring (521), the adjusting ring (521) rotates around its own axis, and the adjusting ring (521) drives the contact piece (522) to slide along the axial direction of the threaded column (51) when rotating around its own axis, and abuts against the end face of the iron core column assembly (3).

8. The equivalent scaled model of a reactor according to claim 7, characterized in that, A scale disc (53) is arranged on the adjusting ring (521), the scale disc (53) is provided with scales, and a pointer is arranged on the contact piece (522).

9. The equivalent scaled model of a reactor according to claim 1, characterized in that, The side surface of the iron core disc (31) is provided with a shock absorbing pad (6).

10. The equivalent scaled model of a reactor according to claim 9, characterized in that, The base (2) is provided with a shock absorbing seat (7), and the iron core column assembly (3) is fixedly connected with the shock absorbing seat (7).

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