A high-frequency transformer test detection fixing clamp

By designing a fixing fixture for testing high-frequency transformers, and using an adsorption and clamping mechanism to stably fix the high-frequency transformer, the problems of winding deformation and core damage during testing are solved, and the convenience of stable clamping and testing is achieved.

CN224480498UActive Publication Date: 2026-07-10NANJING YINGFA ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING YINGFA ELECTRONIC TECH CO LTD
Filing Date
2025-06-04
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

During testing, high-frequency transformers are prone to winding deformation, breakage, or core damage due to excessive compression, which affects the testing results.

Method used

Design a fixing fixture for testing and inspecting high-frequency transformers, including a mounting frame, a telescopic mechanism, an adsorption mechanism, a clamping mechanism, and a snap-fit ​​mechanism. The high-frequency transformer is fixed by adsorption and clamping, avoiding the application of excessive force and ensuring stable clamping without damaging the device.

Benefits of technology

This achieves stable clamping of the high-frequency transformer, avoiding damage, facilitating subsequent testing, and ensuring the accuracy and reliability of test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224480498U_ABST
    Figure CN224480498U_ABST
Patent Text Reader

Abstract

The utility model relates to electric appliance test technical field especially a kind of fixed clamp for high-frequency transformer test and detection, including, mounting bracket, the mounting bracket is the basic support structure of whole clamp;Setting telescopic mechanism on the mounting bracket, for adjusting the overall height or position of clamp;Adsorption mechanism, the adsorption mechanism is set in the position of mounting bracket center, high-frequency transformer is fixed by adsorption mechanism through adsorption force;Clamping mechanism is set on the both sides of the mounting bracket, the clamping mechanism is clamped from both sides to high-frequency transformer;Clamping mechanism, the clamping mechanism is installed on the both sides of the clamping mechanism, the utility model can be clamped and fixed by clamping mechanism cooperation adsorption mechanism, retracting the clamping mechanism of both sides, so that clamping mechanism is adhered in the edge of high-frequency transformer Auxiliary fixed, to guarantee the stability of clamping and not damage high-frequency transformer, facilitate subsequent detection work of high-frequency transformer.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electrical testing technology, and in particular to a fixing fixture for testing and detecting high-frequency transformers. Background Technology

[0002] High-frequency transformer testing is the process of detecting and evaluating various performance indicators of a high-frequency transformer to ensure that it meets design requirements and application standards. High-frequency transformer testing includes insulation resistance testing, withstand voltage testing, inductance testing, turns ratio testing, and loss testing. High-frequency transformers need to be fixed in place using fixtures when testing.

[0003] The overall size of a medium-power high-frequency transformer may be around 20cm×10cm×8cm, while the size of a high-power high-frequency transformer may reach 50cm×30cm×40cm or more. The internal winding wire diameter of a high-frequency transformer is thin and the insulation layer is thin. There may be fragile parts such as magnetic cores on the outside. Excessive compression can easily lead to winding deformation and breakage, or magnetic core damage, which in turn damages the high-frequency transformer and affects subsequent testing.

[0004] To address these issues, those skilled in the art have proposed a fixing fixture for testing and inspecting high-frequency transformers. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] In view of the problems in the above or existing technologies that excessive compression can easily lead to winding deformation, breakage, or core damage, this utility model is proposed.

[0007] Therefore, the purpose of this utility model is to provide a fixing fixture for testing and detecting high-frequency transformers.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a fixing fixture for testing and detecting high-frequency transformers, comprising a mounting frame, wherein the mounting frame is the basic support structure of the entire fixture;

[0009] The telescopic mechanism installed on the mounting frame is used to adjust the overall height or position of the clamp.

[0010] An adsorption mechanism is provided, which is located at the center of the mounting frame and uses adsorption force to fix the high-frequency transformer.

[0011] The clamping mechanisms are arranged on both sides of the mounting frame to clamp the high-frequency transformer from both sides;

[0012] A snap-fit ​​mechanism is installed on both sides of the clamping mechanism, which assists the clamping mechanism in fixing the high-frequency transformer.

[0013] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, the telescopic mechanism includes a horizontal plate, and hydraulic cylinders are vertically installed on both sides of the bottom outer wall of the horizontal plate. The mounting bracket is fixed to the bottom end of the extension rods of the two hydraulic cylinders.

[0014] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, the mounting frame has an installation opening at the center of its surface, the adsorption mechanism is located inside the installation opening, the adsorption mechanism includes a fixing cylinder, an air pump is provided on the top inner wall of the fixing cylinder, an adsorption component is provided at the bottom of the air pump, and an air suction plate is installed at one end of the adsorption component.

[0015] As a preferred embodiment of the fixing fixture for testing and detecting high-frequency transformers of this utility model, the adsorption assembly includes a connector, the top end of which is connected to the output end of the air pump. Multiple connecting pipes are installed on the outer wall of the connector, and one end of each connecting pipe is equipped with an air suction pipe, which is inserted into the surface of the air suction plate.

[0016] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, the number of clamping mechanisms is four, which are respectively arranged at the upper and lower positions on the left and right sides inside the mounting frame, and the clamping mechanisms are located on both sides of the adsorption mechanism.

[0017] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, the clamping mechanism includes an electric cylinder, which is installed on one side of the inner wall of the mounting frame. A ceramic clamping plate is installed at one end of the extension rod of the electric cylinder, and an insulating anti-slip sleeve is sleeved on one end of the ceramic clamping plate.

[0018] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, wherein: the outer wall of the ceramic clamp away from the insulating anti-slip sleeve is provided with slots on both sides, and the two locking mechanisms are respectively arranged inside the two slots.

[0019] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, the clamping mechanism includes two electric cylinders, which are respectively installed inside the two clamping slots. One end of the extension rod of the electric cylinder is fixed with a mounting base, and one end of the mounting base is fixed with an arc-shaped clamping plate. The inner side of the arc-shaped clamping plate is provided with a soft pad.

[0020] As a preferred embodiment of the fixing fixture for testing and inspecting high-frequency transformers of this utility model, the surfaces of the two arc-shaped clamps and the corresponding ceramic clamps are on the same horizontal plane, and the surface of the soft pad and the corresponding insulating anti-slip sleeve are on the same horizontal plane.

[0021] The beneficial effects of this utility model of a fixing fixture for testing and inspecting high-frequency transformers are as follows: the high-frequency transformer is adsorbed and fixed by the adsorption mechanism, and the clamping mechanisms on both sides are activated to clamp the high-frequency transformer, so that no greater force is required. The device can be clamped and fixed by the clamping mechanism in conjunction with the adsorption mechanism. Then, the snap-fit ​​mechanisms on both sides are retracted so that the snap-fit ​​mechanisms fit against the edge of the high-frequency transformer to assist in fixing, thereby ensuring the stability of the clamping and not damaging the high-frequency transformer, which facilitates the subsequent testing of the high-frequency transformer. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0023] Figure 1 This is a schematic diagram of the overall structure of a fixed fixture used for testing and inspecting high-frequency transformers.

[0024] Figure 2 for Figure 1 Another structural diagram from another angle.

[0025] Figure 3 This is a schematic diagram of the clamping and snap-fit ​​mechanism of a fixed fixture used for testing and inspecting high-frequency transformers.

[0026] Figure 4 This is an exploded view of the adsorption mechanism of a fixed fixture used for testing and inspecting high-frequency transformers.

[0027] In the diagram: 100, mounting bracket; 200, telescopic mechanism; 201, horizontal plate; 202, hydraulic cylinder; 300, adsorption mechanism; 301, fixed cylinder; 302, air pump; 303, connector; 304, connecting pipe; 305, suction pipe; 306, air suction plate; 400, clamping mechanism; 401, electric cylinder one; 402, ceramic clamping plate; 403, insulating anti-slip sleeve; 404, slot; 500, snap-fit ​​mechanism; 501, electric cylinder two; 502, arc-shaped clamping plate; 503, mounting base; 504, soft pad. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] 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. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0031] Example 1

[0032] Reference Figure 1 and Figure 2 This is the first embodiment of the present utility model. This embodiment provides a fixing fixture for testing and detecting high-frequency transformers, which can achieve stable clamping without damaging the high-frequency transformer. It includes a mounting frame 100, which is the basic support structure of the entire fixture.

[0033] The telescopic mechanism 200, which is mounted on the mounting bracket 100, is used to adjust the overall height or position of the clamp.

[0034] The adsorption mechanism 300 is located at the center of the mounting bracket 100. The adsorption mechanism 300 fixes the high-frequency transformer by adsorption force.

[0035] The clamping mechanisms 400 are provided on both sides of the mounting bracket 100, and the clamping mechanisms 400 clamp the high-frequency transformer from both sides.

[0036] The snap-fit ​​mechanism 500 is installed on both sides of the clamping mechanism 400. The snap-fit ​​mechanism 500 assists the clamping mechanism 400 in fixing the high-frequency transformer.

[0037] Specifically, the telescopic mechanism 200 includes a horizontal plate 201, and hydraulic cylinders 202 are vertically installed on both sides of the bottom outer wall of the horizontal plate 201. The mounting bracket 100 is fixed to the bottom end of the extension rod of the two hydraulic cylinders 202.

[0038] In use, the horizontal plate 201 of the device is fixed on a gantry or other movable equipment. After moving the device directly above the high-frequency transformer to be tested via the gantry, the hydraulic cylinder 202 is activated to bring the mounting bracket 100 close to the high-frequency transformer. Then, the adsorption mechanism 300 is activated to adsorb the high-frequency transformer. Next, the clamping mechanisms 400 on both sides are activated to clamp the high-frequency transformer. Under the adsorption action of the adsorption mechanism 300, the clamping mechanism 400 does not need to apply more force to clamp the high-frequency transformer. After clamping, the locking mechanisms 500 on both sides are activated to retract the locking mechanisms 500 and fit them against the surface of the high-frequency transformer, thereby playing an auxiliary fixing role. Then, the entire fixture is lifted by the gantry and the device is moved to a suitable position for testing and inspection of the high-frequency transformer.

[0039] Example 2

[0040] Reference Figure 1 , Figure 2 and Figure 4 This is the second embodiment of the present invention. Unlike the previous embodiment, the mounting bracket 100 has an installation opening at the center of its surface. The adsorption mechanism 300 is located inside the installation opening. The adsorption mechanism 300 includes a fixed cylinder 301. An air pump 302 is provided on the top inner wall of the fixed cylinder 301. An adsorption component is provided at the bottom of the air pump 302. An air suction plate 306 is installed at one end of the adsorption component.

[0041] Specifically, the adsorption assembly includes a connector 303, the top of which is connected to the output end of the air pump 302. Multiple connecting pipes 304 are installed on the outer wall of the connector 303, and an air suction pipe 305 is installed at one end of each connecting pipe 304. The air suction pipe 305 is inserted into the surface of the air suction plate 306.

[0042] In use, the device is moved to the surface of the high-frequency transformer by the hydraulic cylinder 202, so that the air suction plate 306 is attached to the surface of the high-frequency transformer. Then, the air pump 302 is started. After the air pump 302 passes through the connector 303, the connecting pipe 304 and the suction pipe 305, the high-frequency transformer is adsorbed and fixed by the air suction plate 306. With the clamping mechanism 400 and the snap-fit ​​mechanism 500, the high-frequency transformer is stably clamped, which facilitates the subsequent testing and inspection work.

[0043] Example 3

[0044] Reference Figures 1 to 3 This is the third embodiment of the present invention. Unlike the previous embodiment, there are four clamping mechanisms 400, which are respectively arranged on the upper and lower positions of the left and right sides inside the mounting frame 100. The clamping mechanisms 400 are located on both sides of the adsorption mechanism 300.

[0045] Specifically, the clamping mechanism 400 includes an electric cylinder 401, which is installed on one side of the inner wall of the mounting bracket 100. A ceramic clamping plate 402 is installed at one end of the extension rod of the electric cylinder 401, and an insulating anti-slip sleeve 403 is sleeved on one end of the ceramic clamping plate 402.

[0046] The ceramic clamp 402 is a low magnetic permeability material, which can prevent additional loss or distortion of the high-frequency signal of the high-frequency transformer, thereby reducing the impact on testing and inspection work. The insulating anti-slip sleeve 403 can play an anti-slip role.

[0047] Furthermore, the outer wall of the ceramic clamp 402, away from the insulating anti-slip sleeve 403, has slots 404 on both sides, and two locking mechanisms 500 are respectively set inside the two slots 404.

[0048] The snap-fit ​​mechanism 500 includes two electric cylinders 501, which are installed inside the two snap-fit ​​slots 404 respectively. One end of the extension rod of the electric cylinder 501 is fixed with a mounting base 503, and one end of the mounting base 503 is fixed with an arc-shaped clamping plate 502. The inner side of the arc-shaped clamping plate 502 is provided with a soft pad 504.

[0049] It should be noted that the surfaces of the two arc-shaped clamps 502 are on the same horizontal plane as the surface of the corresponding ceramic clamps 402, and the surface of the soft pad 504 is on the same horizontal plane as the surface of the corresponding insulating anti-slip sleeve 403.

[0050] When in use, start the electric cylinder 401 to bring the two ceramic clamps 402 close to the two sides of the high-frequency transformer and clamp the high-frequency transformer. The two are separated by an insulating anti-slip sleeve 403 to achieve the effect of anti-slip and insulation. After clamping, start the electric cylinder 501 to retract the arc-shaped clamp 502 and attach it to the surface of the high-frequency transformer to assist in clamping and ensure more stable clamping.

[0051] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0052] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A fixing fixture for testing and inspecting high-frequency transformers, characterized in that: include, Mounting bracket (100), which is the basic support structure of the entire fixture; The telescopic mechanism (200) provided on the mounting bracket (100) is used to adjust the overall height or position of the clamp; An adsorption mechanism (300) is provided at the center of the mounting bracket (100), and the adsorption mechanism (300) uses adsorption force to fix the high-frequency transformer. Clamping mechanisms (400) are provided on both sides of the mounting bracket (100), and the clamping mechanisms (400) clamp the high-frequency transformer from both sides; A snap-fit ​​mechanism (500) is installed on both sides of the clamping mechanism (400) to assist the clamping mechanism (400) in fixing the high-frequency transformer.

2. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 1, characterized in that: The telescopic mechanism (200) includes a horizontal plate (201), and hydraulic cylinders (202) are vertically installed on both sides of the bottom outer wall of the horizontal plate (201). The mounting bracket (100) is fixed to the bottom end of the extension rods of the two hydraulic cylinders (202).

3. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 2, characterized in that: The mounting bracket (100) has an installation opening at the center of its surface. The adsorption mechanism (300) is located inside the installation opening. The adsorption mechanism (300) includes a fixed cylinder (301). An air pump (302) is provided on the top inner wall of the fixed cylinder (301). An adsorption component is provided at the bottom of the air pump (302). An air suction plate (306) is installed at one end of the adsorption component.

4. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 3, characterized in that: The adsorption assembly includes a connector (303), the top end of which is connected to the output end of the air pump (302). Multiple connecting pipes (304) are installed on the outer wall of the connector (303), and an air suction pipe (305) is installed at one end of each connecting pipe (304). The air suction pipe (305) is inserted into the surface of the air suction plate (306).

5. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 4, characterized in that: The number of clamping mechanisms (400) is four, which are respectively arranged on the upper and lower positions of the left and right sides inside the mounting frame (100), and the clamping mechanisms (400) are located on both sides of the adsorption mechanism (300).

6. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 5, characterized in that: The clamping mechanism (400) includes an electric cylinder (401), which is installed on one side of the inner wall of the mounting bracket (100). A ceramic clamping plate (402) is installed at one end of the extension rod of the electric cylinder (401), and an insulating anti-slip sleeve (403) is sleeved on one end of the ceramic clamping plate (402).

7. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 6, characterized in that: The ceramic clamp (402) has slots (404) on both sides of its outer wall away from the insulating anti-slip sleeve (403), and the two locking mechanisms (500) are respectively disposed inside the two slots (404).

8. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 7, characterized in that: The latching mechanism (500) includes two electric cylinders (501), which are respectively installed inside the two latching slots (404). One end of the extension rod of the electric cylinder (501) is fixed with a mounting base (503), and one end of the mounting base (503) is fixed with an arc-shaped clamping plate (502). The inner side of the arc-shaped clamping plate (502) is provided with a soft pad (504).

9. The fixing fixture for testing and inspecting high-frequency transformers as described in claim 8, characterized in that: The surfaces of the two arc-shaped clamps (502) are on the same horizontal plane as the surface of the corresponding ceramic clamp (402), and the surface of the soft pad (504) is on the same horizontal plane as the surface of the corresponding insulating anti-slip sleeve (403).