Tool applied to dielectric constant test

Abstract

The utility model discloses a tool applied to a dielectric constant test, which comprises a loading module, a detection module, a detection module and a control module, and is characterized in that the loading module is provided with an accommodating cavity corresponding to a tested material; the number of the blending and connecting modules is two, the blending and connecting modules are connected with the two ends of the charging module respectively, and at least one blending and connecting module is detachably connected with the charging module; the allocation connection module is provided with an excitation signal reflection cavity corresponding to the accommodating cavity; a plurality of steps are arranged on one side wall of the excitation signal reflection cavity; the charging module and the blending and connecting module are made of insulating materials; and the coaxial line connecting part is mounted on the deploying and connecting module. The steps in the two excitation signal reflection cavities are correspondingly equal in height. The coaxial line connecting part is an SMA connector seat. And the SMA connector seat is detachably connected with the allocation connection module. And the cavity space of the accommodating cavity is a rectangular body.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of testing devices, and particularly relates to a dielectric constant testing tool. BACKGROUND

[0002] In the field of coaxial socket chip testing sockets, low-dielectric-constant engineering materials are generally used as conductive connecting pieces in the industry, but the relative dielectric constant values provided by the SPEC or datasheet materials of the material constant can usually only reach the highest frequency of 112 GHz in the actual use environment, so the values are always the dielectric constant indexes of the engineering materials input in the HFSS electromagnetic simulation of peers, which are obtained according to experience or from the parameters of the materials at unmatched frequencies in the material specification, so that the simulation input conditions are inaccurate and distorted, and the problem has not been solved in the industry. CONTENT OF THE UTILITY MODEL

[0003] The utility model mainly aims at the above problems, and provides a dielectric constant testing tool, which aims to solve the technical problems in the background art.

[0004] To achieve the above purpose, the utility model provides a dielectric constant testing tool, which comprises:

[0005] The loading module is provided with a containing cavity corresponding to the measured material.

[0006] The adjusting and connecting module is provided with an excitation signal reflection cavity corresponding to the containing cavity.

[0007] The coaxial line connecting part is installed on the adjusting and connecting module.

[0008] Further, the steps in the two excitation signal reflection cavities correspond to the same height.

[0009] Further, the coaxial line connecting part is an SMA connector seat.

[0010] Further, the SMA connector seat is detachably connected with the adjusting and connecting module.

[0011] Further, the loading module is provided with an ear plate at the two ends of the containing cavity, and the ear plate is provided with a screw connection hole. Further, the adjusting and connecting module is provided with a vertical plate corresponding to the ear plate at the outlet end of the excitation signal reflection cavity, and the vertical plate is provided with a screw connection hole.

[0012] Further, the cavity space of the accommodating cavity is a rectangular body.

[0013] Further, the number of steps is four.

[0014] Further, the width of the step between the topmost step and the bottommost step is 3 to 3.5 times the height of the step.

[0015] Further, the two sides of the step are rounded.

[0016] Compared with the prior art, the dielectric constant test tool provided by the utility model can stimulate the multiple steps of the side wall of the excitation signal reflection cavity, form the special excitation signal reflection cavity, connect the vector v network analyzer through the coaxial cable of the two coaxial line connecting parts, stimulate the reflection monitoring of the signal reflected by the excitation signal reflection cavity through the vector network analyzer, extract the relatively accurate measured data of the measured material in the accommodating cavity under different frequency bands, and convert the measured data into the relatively accurate dielectric constant index. Therefore, the substantially accurate dielectric constant parameter is input into the electromagnetic simulation analysis software, the chip circuit electromagnetic signal simulation analysis is realized, the integrity of the work is high, and the problem of inaccurate simulation input conditions is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic diagram of the dielectric constant test tool applied in the utility model.

[0018] Figure 2 It is a structure exploded schematic diagram of the dielectric constant test tool applied in the utility model.

[0019] Figure 3 It is a structure exploded schematic diagram of the dielectric constant test tool applied in the utility model.

[0020] Figure 4 It is a structure exploded schematic diagram of the dielectric constant test tool applied in the utility model.

[0021] The reference signs shown in the drawing are as follows: 1, a charging module; 110, an accommodating cavity; 120, an ear plate; 2, a deployment connection module; 210, an excitation signal reflection cavity; 220, a step; 221, a rounded corner; 230, a vertical plate; 3, a coaxial line connecting part; and 4, a screw connecting hole. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0023] It should be noted that when a component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs. It should also be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application.

[0024] It should also be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] Please refer to Figure 1 Figure 4 The embodiment provides a dielectric constant test tool, which comprises:

[0026] The loading module 1 is provided with a containing cavity 110 corresponding to the measured material;

[0027] ​The two deployment connection modules 2 are connected with the two ends of the charging module 1 respectively, and at least one of the two deployment connection modules 2 is detachably connected with the charging module 1; the deployment connection module 2 is provided with an excitation signal reflection cavity 210 corresponding to the containing cavity 110; one side wall of the excitation signal reflection cavity 210 is provided with a plurality of steps 220; the charging module 1 and the deployment connection module 2 are both made of insulating material, so as to avoid interference with the analysis and detection of the measured material;

[0028] The coaxial line connecting part 3 is installed on the deployment connection module 2.

[0029] The plurality of steps 220 of the side wall of the excitation signal reflection cavity 210 constitute this special excitation signal reflection cavity 210, the two coaxial line connecting parts 3 are connected with the vector network analyzer through the coaxial cable, the relative precise measured data of the measured material in the containing cavity 110 under different frequency bands are extracted by means of the vector network analyzer and the signal excitation reflection monitoring of the excitation signal reflection cavity 210, and the measured data is converted into the relative precise dielectric constant index.

[0030] Therefore, this substantially precise dielectric constant parameter is input into the electromagnetic simulation analysis software, so that the chip circuit electromagnetic signal simulation analysis is obtained, the problem of inaccurate simulation input condition is solved, and the integrity is high.

[0031] Please refer to Figure 2 and Figure 4 , the steps 220 in the two excitation signal reflection cavities 210 are corresponding to the same height.

[0032] The two deployment connection modules 2 are in a mirror image symmetry relationship.

[0033] Please refer to Figure 1 and Figure 2 , the coaxial line connecting part 3 is an SMA connector seat.

[0034] The SMA connector seat is used for connecting the corresponding connectors of the coaxial cable, which is more convenient, the SMA connector seat has mature manufacturing process, and the procurement cost is low.

[0035] Preferably, the SMA connector seat is detachably connected with the deployment connection module 2.

[0036] This detachable design is convenient for replacing and maintaining the SMA connector seat, and the SMA connector seat can be detachably connected with the deployment connection module 2 by means of screws.

[0037] Please refer to Figure 3The loading module 1 is provided with an ear plate 120 at both ends of the containing cavity 110, and the ear plate 120 is provided with a screw connection hole 4; the excitation signal reflection cavity 210 of the matching connection module 2 is provided with a vertical plate 230 corresponding to the ear plate 120, and the vertical plate 230 is provided with a screw connection hole 4.

[0038] In some embodiments, the cavity space of the containing cavity 110 is a rectangular body.

[0039] This structure facilitates the processing of the measured material and the processing and manufacturing of the loading module 1.

[0040] In some embodiments, the number of steps 220 is four.

[0041] This structure, which has been repeatedly verified and determined, can test the composition, shape, size, test frequency, additional temperature control, and additional temperature control of the material at the same time, but based on the basic information of the known material type and test frequency, it can be comparable to the precise test of the dielectric constant of the material by the dielectric constant tester with a value of millions of levels, thereby reducing the cost of the equipment.

[0042] Preferably, the width of the step 220 between the topmost step 220 and the bottommost step 220 is 3 to 3.5 times the height of the step 220.

[0043] This parameter is obtained through repeated debugging and testing.

[0044] Preferably, the two sides of the step 220 are rounded corners 221.

[0045] In the specification and claims of the present application, the words "comprise / contain" and the words "have / including" and their variants are used to specify the presence of the stated features, values, steps or components, but do not exclude the presence or addition of one or more other features, values, steps, components or combinations thereof.

[0046] Some features of the present application are described in different embodiments for clarity, however, these features can also be combined in a single embodiment. Conversely, some features of the present application are described in a single embodiment for brevity, however, these features can also be described individually or in any suitable combination in different embodiments.

[0047] The above is only a preferred embodiment of the present application, and does not limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A test tool for dielectric constant, characterized in that, The utility model relates to a kind of coaxial line connection module and coaxial line connection method, including: The loading module is equipped with the accommodating cavity corresponding to measured material; The deployment connection module is two, respectively with the loading module both ends connection, and at least one deployment connection module is detachably connected with the loading module;The deployment connection module is equipped with the excitation signal reflection cavity corresponding to the accommodating cavity;The side wall of the excitation signal reflection cavity is equipped with multiple steps;The loading module, deployment connection module are insulating materials; Coaxial line connection part, the coaxial line connection part is installed in the deployment connection module.

2. The test fixture for dielectric constant according to claim 1, wherein, The steps in the two excitation signal reflection cavities, each step corresponds to the same height.

3. The test fixture of claim 1, wherein, The coaxial line connection part is SMA joint seat.

4. The test fixture of claim 3, wherein, The SMA joint seat is detachably connected with the deployment connection module.

5. The test fixture of claim 1, wherein, The loading module is equipped with lug at the opening of the accommodating cavity both ends, and the lug is equipped with screw connection hole;The excitation signal reflection cavity outlet of the deployment connection module is equipped with the vertical plate corresponding to the lug, and the vertical plate is equipped with screw connection hole.

6. The test fixture of claim 1, wherein, The cavity space of the accommodating cavity is rectangular body.

7. The test fixture of claim 1, wherein, The number of steps is four.

8. The test fixture of claim 1, wherein, The width of the step between the topmost step and the bottommost step is 3 to 3.5 times the height of the step.

9. The test fixture of claim 1, wherein, The two sides of the step are rounded.

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