Multi-angle test fixture for inductance

Abstract

This utility model discloses a multi-angle testing fixture for inductors, comprising a support frame, two support seats, two uprights, and a fixing mechanism. The support frame is equipped with a relative moving component. The two support seats are arranged laterally, each with a supporting inclined surface on one side. The two uprights are arranged longitudinally, located on opposite sides of the support frame and connected to the relative moving component. The fixing mechanism is vertically mounted on the two uprights via a driving component. The fixing mechanism includes a first moving component and a second moving component located on the same horizontal line. One end of the first moving component is connected to one of the uprights; one end of the second moving component is connected to the other upright, and the other end of the second moving component is equipped with an outer support member and a linkage external support component. This achieves universal fixing of both solid and hollow inductors, greatly improving the applicability and performance of the inductor testing fixture, and bringing significant convenience to the testing of inductor coils.

Description

Technical Field

[0001] This utility model relates to the technical field of inductor fixing, and in particular to a multi-angle testing fixture for inductors. Background Technology

[0002] An inductor, commonly known as an inductor, is essentially a coil. There are air-core coils and solid coils. Solid coils have a core made of iron or other materials. The unit of inductance is "H", abbreviated as "Henry".

[0003] Before testing an inductor coil, securing it is a crucial step, but existing inductor testing fixtures have significant limitations in terms of compatibility. For example, the multi-angle testing fixture for inductors disclosed in Chinese Utility Model Patent Publication No. CN217332662U uses two stops moving outside the coil inductor to achieve clamping. While this design can meet the fixing requirements of solid coil inductors, its applicability is limited; using it with hollow coils can easily damage their structure, making it only suitable for solid coil inductors. Similarly, the inductor coil testing fixture in Chinese Utility Model Patent Publication No. CN214310730U uses a fixing device to clamp the outside of hollow coil inductors. Likewise, this fixture can only fix hollow coil inductors and is incompatible with solid coil inductors.

[0004] Current inductance test fixtures cannot simultaneously accommodate both solid and air-core inductors. In practical applications, testing different types of inductors requires multiple different test fixtures, which not only increases equipment costs but also reduces testing efficiency, significantly diminishing overall performance. Utility Model Content

[0005] This utility model aims to at least partially solve one of the technical problems in the related art.

[0006] Therefore, the purpose of this utility model is to propose a multi-angle testing fixture for inductors, which realizes universal fixing of solid and air inductors, greatly improves the applicability and performance of inductor testing fixtures, and brings great convenience to the testing of inductor coils.

[0007] To achieve the above objectives, this utility model proposes a multi-angle testing fixture for inductors, comprising a support frame, two support seats, two uprights, and a fixing mechanism. The support frame is provided with a relative moving component. The two support seats are arranged laterally, and each support seat has a bearing inclined surface on one side. The two uprights are arranged longitudinally, respectively located on both sides of the support frame and connected to the relative moving component. The fixing mechanism is vertically mounted on the two uprights via a driving component. The fixing mechanism includes a first moving component and a second moving component located on the same horizontal line. One end of the first moving component is connected to one of the uprights; one end of the second moving component is connected to the other upright, and the other end of the second moving component is provided with an outer upright and a linkage external support component. The linkage external support component is located inside the outer upright and includes a linkage part, a connecting part, and an external support part. The linkage part is connected to the external support part through the connecting part, and the linkage part moves against the first moving component.

[0008] In addition, the multi-angle test fixture for inductors proposed in the above application may also have the following additional technical features:

[0009] Specifically, one end of the linkage part is slidably connected to the second moving member, and a spring is provided between them. The outer support part includes a plurality of circumferentially distributed support plates. The connecting part includes a plurality of linkage assemblies. Each linkage assembly corresponds to one of the support plates. Each linkage assembly includes a first link and a second link. The two ends of the first link are rotatably connected to the linkage part and the support plate, respectively. The two ends of the second link are rotatably connected to the second moving member and the support plate, respectively.

[0010] Specifically, the outer support is arranged in a ring shape, and multiple support frames are provided on one side of it. The multiple support frames are distributed circumferentially, and the free end of each support frame is connected to the first moving member.

[0011] Specifically, the outer diameter of the first moving member is smaller than the inner diameter of the outer upright member.

[0012] Specifically, the relative moving component includes a motor and a bidirectional screw, wherein the bidirectional screw is movably disposed in a groove on the top surface of the bearing frame, and one end of the bidirectional screw is connected to the output end of the motor. The bidirectional screw is provided with two threads in opposite directions, and the two supports are respectively movably disposed on the two threads of the bidirectional screw, and each support is slidably disposed on the bearing frame.

[0013] Compared with the prior art, the beneficial effects of this application are:

[0014] 1. The fixing mechanism of this application, through its ingenious design, achieves universal fixing of solid and hollow inductors, greatly improving the applicability and performance of the inductance testing fixture, and bringing great convenience to the testing of inductor coils;

[0015] 2. When fixing the solid inductor, the first moving part and the outer upright part abut against the two sides of the solid inductor respectively, and the solid inductor is firmly fixed on the fixture by the interaction force between the two.

[0016] 3. When fixing the hollow inductor, the first moving member, the outer upright member, and the linkage outer support member can move into the inner side of the hollow inductor respectively. As the two uprights approach each other, the first moving member enters the inner side of the outer upright member and abuts against the linkage part, thereby pushing the linkage part to move towards the second moving member. During this process, under the action of the connecting part, multiple support plates expand outward until they abut against the inner wall of the hollow inductor, thereby achieving a firm fixation of the hollow inductor.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

[0019] Figure 1 This is a schematic diagram of the structure of a multi-angle testing fixture for inductors according to an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the second moving part of the multi-angle testing fixture for inductors according to an embodiment of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of a multi-angle testing fixture for inductors used to fix a solid inductor according to an embodiment of the present invention.

[0022] Figure 4 This is a schematic diagram of the structure of a multi-angle testing fixture for inductors used to fix a hollow inductor, according to one embodiment of the present invention.

[0023] As shown in the figure: 10, bearing frame; 101, groove; 102, bearing seat; 1021, bearing inclined surface; 20, stand; 30, fixing mechanism; 31, first moving part; 32, second moving part; 40, relative moving part; 401, motor; 402, bidirectional screw; 50, driving part; 60, outer stand; 601, support frame; 701, linkage part; 7021, connecting rod assembly; 70211, first connecting rod; 70212, second connecting rod; 703, outer support part; 7031, support plate; 80, spring; 90, inductor. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0025] The following description, in conjunction with the accompanying drawings, describes a multi-angle testing fixture for inductors according to an embodiment of the present invention. This invention is applicable to applications requiring the fixing and limiting of air-core and solid-core coil inductors.

[0026] like Figures 1-4 As shown, the multi-angle testing fixture for inductance in this embodiment of the present invention may include a support frame 10, two support seats 102, two upright seats 20 and a fixing mechanism 30.

[0027] The supporting frame 10 is provided with a relative moving part 40, two supporting seats 102 are arranged laterally, and each supporting seat 102 has a supporting inclined surface 1021 on one side. Two upright seats 20 are arranged longitudinally, and the two upright seats 20 are respectively located on both sides of the supporting frame 10 and are connected to the relative moving part 40.

[0028] It should be noted that the relative moving member 40 described in this embodiment has the function of controlling the two supports 20 to move closer or further apart. The relative moving member 40 may include a motor 401 and a bidirectional screw 402, wherein the bidirectional screw 402 is movably disposed in a groove 101 on the top surface of the support frame 10, and one end of the bidirectional screw 402 is connected to the output end of the motor 401. The bidirectional screw 402 is provided with two threads in opposite directions, and the two supports 20 are respectively movably disposed on the two threads of the bidirectional screw 402, and each support 20 is slidably disposed on the support frame 10.

[0029] The fixing mechanism 30 is mounted on the two uprights 20 in a height-adjustable manner via the drive component 50.

[0030] It should be noted that the driving component 50 described in this embodiment has the function of controlling the vertical movement of the first moving component 31 and the second moving component 32. The driving component 50 can be two slide modules. The slide rails of the slide modules are vertically arranged on the corresponding stand 20. The slides of the slide modules are connected to the corresponding first moving component 31 / second moving component 32.

[0031] The fixing mechanism 30 may include a first movable member 31 and a second movable member 32 located on the same horizontal line. One end of the first movable member 31 is connected to one of the uprights 20, and one end of the second movable member 32 is connected to the other upright 20. The other end of the second movable member 32 is provided with an outer upright 60 and a linkage external support member. The outer upright 60 is arranged in a ring shape, and a plurality of support frames 601 are provided on one side of it. The plurality of support frames 601 are circumferentially distributed, and the free end of each support frame 601 is connected to the first movable member 31. The outer diameter of the first movable member 31 is smaller than the inner diameter of the outer upright 60. The linkage external support member is located inside the outer upright 60 and may include a linkage part 701, a connecting part, and an external support part 703. The linkage part 701 is connected to the external support part 703 through the connecting part. The linkage part 701 is arranged towards the first movable member 31, and the linkage part 701 moves against the first movable member 31.

[0032] One end of the linkage part 701 is slidably connected to the second moving member 32, and a spring 80 is provided between the two. The spring 80 enables the linkage part 701 to be reset without external force. The outer support part 703 may include a plurality of circumferentially distributed support plates 7031. The connecting part may include a plurality of linkage assemblies 7021. The linkage assembly 7021 corresponds one-to-one with the support plate 7031. The linkage assembly 7021 may include a first link 70211 and a second link 70212. The two ends of the first link 70211 are rotatably connected to the linkage part 701 and the support plate 7031, respectively. The two ends of the second link 70212 are rotatably connected to the second moving member 32 and the support plate 7031, respectively.

[0033] It should be noted that in the linkage assembly 7021 described in this embodiment, the first linkage 70211 and the second linkage 70212 can be arranged in a figure-eight shape, so that when the linkage part 701 moves in the direction of the second moving member 32, the multiple support plates 7031 can expand outward under the action of the linkage assembly 7021, and conversely, when the linkage part 701 moves in the direction of the second moving member 32, the multiple support plates 7031 can retract inward.

[0034] Furthermore, in the linkage assembly 7021, the number of the first linkage 70211 and the second linkage 70212 can be set as needed. In this embodiment, the number of the first linkage 70211 is 1, and the number of the second linkage 70212 is 2.

[0035] Specifically, in the actual testing process of inductor 90, the relevant personnel first place the inductor 90 under test between two uprights 20. The two bearing inclined surfaces 1021 can support the inductor 90 under test. Then, the fixing mechanism 30 is used to limit and fix the inductor 90 under test to ensure the stability of the inductor 90 under test.

[0036] When fixing the solid inductor 90, the relevant personnel can first control the first moving part 31 and the second moving part 32 to move vertically through the two slide modules respectively, so that the two are on the same straight line as the center of the inductor 90 under test. Then, the motor 401 is started, causing the bidirectional screw 402 to rotate, and the two stands 20 move relative to each other, so that the first moving part 31 and the second moving part 32 move closer to each other until the first moving part 31 and the outer stand 60 respectively abut against the two sides of the solid inductor 90. Through the interaction force of the two, the solid inductor 90 is firmly fixed on the fixture.

[0037] When fixing the hollow inductor 90, the personnel first adjust the vertical position of the fixing mechanism 30 using the two sliding table modules to ensure that it is aligned with the center of the inductor 90 under test. Then, the relative moving part 40 controls the two uprights 20 to move closer together. Since the inductor 90 is a hollow structure, the first moving part 31, the outer upright 60, and the linkage outer support component can move into the inner side of the hollow inductor 90. As the two uprights 20 move closer together, the first moving part 31 enters the inner side of the outer upright 60 and abuts against the linkage part 701, thereby pushing the linkage part 701 towards the second moving part 32. During this process, the spring 80 is compressed, and under the action of the connecting part, multiple support plates 7031 expand outward until they abut against the inner wall of the hollow inductor 90, thus achieving a firm fixation of the hollow inductor 90.

[0038] Then, the two leads of the inductor 90 are made into contact with the two test heads of an external testing device (such as, but not limited to, an RF impedance analyzer) one by one, so that the inductor 90 can be tested accordingly using the external testing device.

[0039] After the test is completed, the relevant personnel disconnect the inductor 90 from the external test device and operate the two stands 20 to move away from each other to reset. During the reset process of the hollow inductor 90, the first moving part 31 and the connecting part move away from each other. When they are initially separated, the connecting part can maintain contact with the first moving part 31 under the action of the spring force of the spring 80. During the process, multiple support plates 7031 retract inward and separate from the hollow inductor 90. When they are completely separated, they can move away from each other with the corresponding stands 20 until they exit the inner side of the hollow inductor 90 until the two stands 20 are reset.

[0040] In summary, the multi-angle test fixture for inductors in this embodiment of the present invention achieves universal fixation for both solid and air inductors, greatly improving the applicability and performance of the inductor test fixture, and bringing great convenience to the testing of inductor coils.

[0041] In the description of this specification, 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 at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0042] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0043] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A multi-angle testing fixture for inductors, characterized in that, It includes a load-bearing frame (10), two load-bearing seats (102), two uprights (20), and a fixing mechanism (30), wherein, The supporting frame (10) is provided with a relative moving part (40); The two bearing seats (102) are arranged laterally, and each bearing seat (102) has a bearing inclined surface (1021) on one side; The two supports (20) are arranged longitudinally, and the two supports (20) are respectively located on both sides of the bearing frame (10), and are connected to the relative moving member (40); The fixing mechanism (30) is vertically mounted on the two stands (20) via a drive member (50). The fixing mechanism (30) includes a first moving member (31) and a second moving member (32) located on the same horizontal line. One end of the first movable member (31) is connected to one of the standing bases (20); One end of the second movable member (32) is connected to another of the aforementioned supports (20), and the other end of the second movable member (32) is provided with an outer support member (60) and a linkage external support member, wherein, The linkage external support component is located on the inner side of the external upright (60), and includes a linkage part (701), a connecting part and an external support part (703). The linkage part (701) is connected to the external support part (703) through the connecting part, and the linkage part (701) moves against the first moving part (31).

2. The multi-angle testing fixture for inductors according to claim 1, characterized in that, One end of the linkage part (701) is slidably connected to the second moving member (32), and a spring (80) is provided between them. The outer support part (703) includes a plurality of circumferentially distributed support plates (7031). The connecting part includes a plurality of linkage assemblies (7021), and each linkage assembly (7021) corresponds to one of the support plates (7031). Each linkage assembly (7021) includes a first linkage (70211) and a second linkage (70212). The two ends of the first connecting rod (70211) are rotatably connected to the linkage part (701) and the support plate (7031), respectively; The two ends of the second connecting rod (70212) are rotatably connected to the second moving part (32) and the support plate (7031), respectively.

3. The multi-angle testing fixture for inductors according to claim 1 or 2, characterized in that, The outer support (60) is arranged in a ring shape, and a plurality of support frames (601) are provided on one side. The plurality of support frames (601) are distributed circumferentially, and the free end of each support frame (601) is connected to the first moving member (31).

4. The multi-angle testing fixture for inductors according to claim 1, characterized in that, The outer diameter of the first moving member (31) is smaller than the inner diameter of the outer upright member (60).

5. The multi-angle testing fixture for inductors according to claim 1, characterized in that, The relative moving part (40) includes a motor (401) and a bidirectional screw (402). The bidirectional screw (402) is movably disposed in a groove (101) on the top surface of the bearing frame (10), and one end of the bidirectional screw (402) is connected to the output end of the motor (401). The bidirectional screw (402) is provided with two threads in opposite directions, and two supports (20) are respectively movably disposed on the two threads of the bidirectional screw (402), and each support (20) is slidably disposed on the bearing frame (10).

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