Vector network analyzer calibration device

Abstract

The utility model relates to a calibration device for a vector network analyzer. The calibration device comprises a fixed plate and an adjusting mechanism, the fixing plate comprises a non-closed square through groove, and a first limiting groove is formed in the bottom face of the through groove. The mounting plate is detachably connected with the connecting plate; a second limiting groove is formed in the outer side surface of the mounting plate; the multiple moving rings are arranged on the first limiting groove and / or the second limiting groove, and the multiple moving rings can move along the first limiting groove and / or the second limiting groove; the first limiting ring and the second limiting ring are installed at the two ends of the calibration piece and used for limiting the calibration piece. According to the utility model, a plurality of movable rings can be mounted by utilizing the first limiting groove and the second limiting groove which are formed in the fixed plate and the mounting plate, so that a plurality of calibration pieces can be mounted on the movable rings, and the movable rings can be moved to different positions as required. According to the utility model, a plurality of calibration pieces can be used at the same time and cannot fall off to be damaged, so that the calibration work can be carried out smoothly.

Description

Technical Field

[0001] The utility model relates to the technical field of instrument calibration, in particular to a calibration device for a vector network analyzer. Background Art

[0002] A vector network analyzer is an important test tool, mainly used for measuring scattering parameters of radio frequency and microwave devices, cable lines, connectors, etc. It combines various technologies such as spectrum analysis, signal generation, and signal separation, can measure the amplitude values of various parameters of a single-port network or a two-port network, and can display test data in a Smith chart, making engineering applications and debugging more convenient.

[0003] When the vector network analyzer performs single-port calibration, a short-circuit calibration piece, an open-circuit calibration piece, and a load calibration piece are required for individual calibration. Since the short-circuit calibration piece, the open-circuit calibration piece, and the load calibration piece are all cylinders and are easy to roll, rolling and falling easily cause damage or loss.

[0004] Therefore, it is necessary to improve one or more problems existing in the above related technical solutions.

[0005] It should be noted that this part aims to provide background or context for the technical solutions of the present disclosure stated in the claims. The description herein is not admitted to be prior art just because it is included in this part. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a calibration device for a vector network analyzer, thereby at least to some extent overcoming one or more problems caused by the limitations and defects of the related technologies.

[0007] The utility model provides a calibration device for a vector network analyzer, including: a fixing plate and an adjusting mechanism;

[0008] The fixing plate includes:

[0009] A through groove, the through groove is a non-closed "mouth" - shaped through groove, the through groove is opened on the fixing plate, and a first limiting groove is opened on the bottom surface of the through groove;

[0010] A mounting plate, the mounting plate is the plate body part of the fixing plate inside the through groove, a connecting plate is provided between the mounting plate and the through groove, and the connection between the mounting plate and the connecting plate is detachable; a second limiting groove is provided on the outer side surface of the mounting plate;

[0011] A plurality of moving rings, the plurality of moving rings are arranged on the first limiting groove and / or the second limiting groove, and the plurality of moving rings can move along the first limiting groove and / or the second limiting groove, and the plurality of moving rings are used for passing through a plurality of calibration pieces;

[0012] A plurality of first limiting rings and a plurality of second limiting rings. After the calibration member is passed through the moving ring, the first limiting ring and the second limiting ring are installed at both ends of the calibration member for limiting the calibration member, and the first limiting ring and the second limiting ring are located on both sides of the moving ring;

[0013] The fixed plate is installed on the adjusting mechanism, and the adjusting mechanism is used to adjust the height of the fixed plate.

[0014] In the present utility model, the mounting plate is composed of two detachable sub-mounting plates, and the two sub-mounting plates form the second limiting groove after being installed together.

[0015] In the present utility model, at least one U-shaped groove is provided on the mounting plate, and the second limiting groove is also provided on the U-shaped groove. The second limiting groove on the U-shaped groove is used to install the moving ring.

[0016] In the present utility model, the adjusting mechanism includes:

[0017] A chassis, one end of the chassis is provided with a mounting block, and a receiving cavity for receiving a threaded rod is provided in the mounting block;

[0018] A threaded rod, the threaded rod is vertically arranged on the chassis, and one end of the threaded rod is threadedly connected in the receiving cavity. A threaded sleeve block is sleeved on the threaded rod, and the threaded sleeve block is fixedly connected to the fixed plate;

[0019] A guide rod, the guide rod is vertically arranged on the chassis, and a moving sleeve block is sleeved on the guide rod. The moving sleeve block is fixedly connected to the fixed plate.

[0020] In the present utility model, a rotating piece is fixedly arranged in the receiving cavity, and one end of the threaded rod is threadedly connected to the rotating piece.

[0021] In the present utility model, a knob is fixedly installed at the upper end of the threaded rod.

[0022] In the present utility model, a stop block is provided at the top end of the guide rod.

[0023] In the present utility model, an anti-slip pad is provided on the bottom surface of the chassis.

[0024] In the present utility model, a storage box is further provided on the adjusting mechanism.

[0025] The technical solution of the present utility model may include the following beneficial effects:

[0026] In the vector network analyzer calibration device of the present utility model, by using the first limiting groove and the second limiting groove provided on the fixing plate and the mounting plate, multiple moving rings can be installed. Thus, multiple calibration components can be installed on the moving rings, and the moving rings can be moved to different positions as needed. The present utility model can ensure that multiple calibration components are used simultaneously and will not fall and be damaged, ensuring the smooth progress of the calibration work. Brief Description of the Drawings

[0027] The drawings herein are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present disclosure, and are used together with the specification to explain the principles of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0028] Figure 1 Showing a schematic structural diagram of a vector network analyzer calibration device in an exemplary embodiment of the present disclosure;

[0029] Figure 2 Showing a schematic structural diagram of a vector network analyzer calibration device in another exemplary embodiment of the present disclosure;

[0030] Figure 3 Showing a schematic structural diagram of a fixing plate in an exemplary embodiment of the present disclosure;

[0031] Figure 4 Showing a partial structural diagram of a fixing plate in an exemplary embodiment of the present disclosure;

[0032] Figure 5 Showing a schematic structural diagram of an adjusting mechanism in an exemplary embodiment of the present disclosure.

[0033] Reference Signs:

[0034] 10. Calibration component; 100. Fixing plate; 101. Through groove; 102. Mounting plate; 1021. U-shaped groove; 103. Moving ring; 104. First limiting ring; 105. Second limiting ring; 106. First limiting groove; 107. Connecting plate; 108. Second limiting groove; 200. Adjusting mechanism; 201. Base frame; 2011. Mounting block; 2012. Anti-slip pad; 202. Threaded rod; 2021. Threaded sleeve block; 2022. Knob; 203. Guide rod; 2031. Moving sleeve block; 2032. Stopper; 204. Rotating piece. Detailed Description of the Embodiments

[0035] Example embodiments will now be described more fully with reference to the accompanying drawings. However, the example embodiments can be implemented in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0036] In addition, the drawings are only schematic illustrations of the present utility model and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically independent entities.

[0037] Please refer to Figures 1 - 5 , in this example embodiment, a vector network analyzer calibration device is provided, including: a fixing plate 100 and an adjusting mechanism 200.

[0038] Specifically, the fixing plate 100 includes: a through groove 101, a mounting plate 102, a plurality of moving rings 103, a plurality of first limiting rings 104, and a plurality of second limiting rings 105.

[0039] Please refer to Figures 1 - 3 , the through groove 101 is a non-closed "mouth" - shaped through groove, the through groove 101 is formed on the fixing plate 100, and a first limiting groove 106 is formed on the bottom surface of the through groove 101. The through groove 101 makes a part of the fixing plate 100 hollow, and the hollow part is used to accommodate the moving ring 102 and calibration parts, etc.

[0040] The mounting plate 102 is the plate body part of the fixing plate 100 inside the through groove 101. A connecting plate 107 is provided between the mounting plate 102 and the through groove 101, and the connection between the mounting plate 102 and the connecting plate 107 is detachable. A second limiting groove 108 is provided on the outer side surface of the mounting plate 101, and the second limiting groove 108 is provided on the mounting plate 101 except at the connection with the connecting plate 107.

[0041] The plurality of moving rings 103 are arranged on the first limiting groove 106 and / or the second limiting groove 108, and the plurality of moving rings 103 can move along the first limiting groove 106 and / or the second limiting groove 108. The plurality of moving rings 103 are used to pass through a plurality of calibration parts 10.

[0042] After the calibration piece 10 is inserted through the moving ring 103, the first limiting ring 104 and the second limiting ring 105 are installed at both ends of the calibration piece 10 to limit the calibration piece 10, and the first limiting ring 104 and the second limiting ring 105 are located on both sides of the moving ring 103.

[0043] The fixed plate 100 is installed on the adjusting mechanism 200, and the adjusting mechanism 200 is used to adjust the height of the fixed plate 100.

[0044] During use: The mounting plate 101 and the connecting plate 107 are detachably connected. When installing the moving ring 103, the mounting plate 101 can be removed first, and then one side of the moving ring 103 is set on the first limiting groove 106 on the fixed plate 100, and then the mounting plate 101 is installed so that the other side of the moving ring 103 is installed on the second limiting groove 108 of the mounting plate 101. After the moving ring 103 is installed, the calibration piece 10 is passed through each moving ring 103, and then the first limiting ring 104 and the second limiting ring 105 are respectively installed on both sides of the moving ring 103. The cross-sectional diameter of the first limiting ring 104 and the second limiting ring 105 is greater than the distance between the first limiting groove 106 and the second limiting groove 108, so that the installed calibration piece 10 will not fall off from the moving ring 103. The position of the moving ring 103 can be moved as needed so that the calibration piece 10 is located at different positions. At the same time, the height of the fixed plate 100 can be adjusted by using the adjusting mechanism 200 as needed.

[0045] In this embodiment, by using the first limiting groove 106 and the second limiting groove 108 provided on the fixed plate 100 and the mounting plate 102, a plurality of moving rings 103 can be installed. Thus, a plurality of calibration pieces 10 can be installed on the moving rings 103, and the moving rings 103 can be moved to different positions as needed. In terms of height, it can be adjusted by using the adjusting mechanism 200. The utility model can ensure that a plurality of calibration pieces 10 can be used simultaneously and will not fall off and be damaged, ensuring the smooth progress of the calibration work.

[0046] Optionally, in some embodiments, the mounting plate 102 is composed of two detachable sub-mounting plates, and the two sub-mounting plates form the second limiting groove 108 after being installed together. The two sub-mounting plates can be connected by buckling or by screws, etc., and the connection method is not limited.

[0047] Optionally, in some embodiments, at least one U-shaped groove 1021 is provided on the mounting plate 102, and the second limiting groove 108 is also provided on the U-shaped groove 1021. The second limiting groove 108 on the U-shaped groove 1021 is used to mount the moving ring 103. As described above, one side of the moving ring 103 is mounted in the first limiting groove 106, and the other side is mounted in the second limiting groove 108. The moving ring 103 can move along the outer periphery of the mounting plate 102.

[0048] The specific structure of the adjusting mechanism 200 will be described below. The adjusting mechanism 200 includes: a chassis 201, a threaded rod 202, and a guide rod 203.

[0049] Specifically, one end of the chassis 201 is provided with a mounting block 2011, and a receiving cavity for receiving the threaded rod 202 is provided in the mounting block 2011.

[0050] The threaded rod 202 is vertically arranged on the chassis 201, and one end of the threaded rod 202 is threadedly connected in the receiving cavity. A threaded sleeve block 2021 is sleeved on the threaded rod 202, and the threaded sleeve block 2021 is fixedly connected to the fixing plate 100.

[0051] The guide rod 203 is vertically arranged on the chassis 201. A moving sleeve block 2031 is sleeved on the guide rod 203, and the moving sleeve block 2031 is fixedly connected to the fixing plate 100. The threaded rod 202 is arranged at one end of the chassis 201, and the guide rod 203 is arranged at the other end of the chassis 201.

[0052] In this embodiment, the moving sleeve block 2031 on the guide rod 203 and the threaded sleeve block 2021 on the threaded rod 202 are respectively fixedly connected to the fixing plate 100. When it is necessary to adjust the height of the fixing plate 100, the threaded rod 202 can be rotated first. The height of the threaded rod 202 will change, and then the fixing plate 100 will be driven to move accordingly. The moving sleeve block 2031 at the other end of the fixing plate 100 will move accordingly, thereby realizing the adjustment of the height of the fixing plate 100.

[0053] Optionally, in some embodiments, a rotating piece 204 is fixedly arranged in the receiving cavity, and one end of the threaded rod 202 is threadedly connected to the rotating piece 204. The rotating piece 204 is fixedly connected to the inner wall of the receiving cavity. The threaded rod 202 is threadedly connected to the rotating piece 204. In this way, when the threaded rod 202 is rotated, the lower part of the threaded rod 202 will rotate relatively under the support of the rotating piece 204, thereby realizing the displacement of the threaded rod 202 in the height direction.

[0054] Optionally, in some embodiments, a knob 2022 is fixedly installed at the upper end of the threaded rod 202, and the threaded rod 202 can be rotated more conveniently and comfortably by using the knob 2022.

[0055] Optionally, in some embodiments, a stop block 2032 is provided at the top end of the guide rod 203. The stop block 2032 is used to block and limit the moving sleeve block 2031 to prevent the moving sleeve block 2031 from disengaging from the guide rod 203.

[0056] Optionally, in some embodiments, an anti-slip pad 2012 is provided on the bottom surface of the chassis 201 to prevent the chassis 201 from sliding and protect the safety of the calibration member 10.

[0057] Optionally, in some embodiments, a storage box (not shown in the figure) is further provided on the adjustment mechanism 200. For example, the storage box can be arranged below the chassis 201 and is used to store the calibration member 10.

[0058] It should be noted that the multiple calibration members 10 can be short-circuit calibration members, open-circuit calibration members, load calibration members, etc., but are not limited thereto. In addition, when not in use, the calibration member 10 can also be temporarily placed below the mounting plate 102 by moving the moving ring 103.

[0059] It should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. in the above description is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0060] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specifically defined.

[0061] In the present utility model, unless otherwise clearly stipulated and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this disclosure may be understood according to specific circumstances.

[0062] In the present utility model, unless otherwise clearly stipulated and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0063] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of this disclosure. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0064] After considering the specification and practicing the invention disclosed herein, those skilled in the art will readily conceive of other embodiments of this disclosure. This application is intended to cover any variations, uses or adaptations of this disclosure, which follow the general principles of this disclosure and include the common general knowledge or conventional technical means in the technical field not disclosed in this disclosure. The specification and the embodiments are only regarded as exemplary, and the true scope and spirit of this disclosure are pointed out by the appended claims.

Claims

1. A vector network analyzer calibration device, characterized in that Including: A fixed plate and an adjusting mechanism; The fixed plate includes: A through groove, the through groove is a non-closed "mouth"-shaped through groove, the through groove is opened on the fixed plate, and a first limiting groove is opened on the bottom surface of the through groove; An installation plate, the installation plate is the plate body part of the fixed plate inside the through groove, a connecting plate is provided between the installation plate and the through groove, and the installation plate and the connecting plate are detachably connected; a second limiting groove is provided on the outer side surface of the installation plate; A plurality of moving rings, the plurality of moving rings are arranged on the first limiting groove and / or the second limiting groove, and the plurality of moving rings can move along the first limiting groove and / or the second limiting groove, and the plurality of moving rings are used for threading a plurality of calibration parts; A plurality of first limiting rings and a plurality of second limiting rings, after the calibration part is threaded through the moving ring, the first limiting ring and the second limiting ring are installed at both ends of the calibration part to limit the calibration part, and the first limiting ring and the second limiting ring are located on both sides of the moving ring; The fixed plate is installed on the adjusting mechanism, and the adjusting mechanism is used for adjusting the height of the fixed plate.

2. The vector network analyzer calibration device according to claim 1, wherein The installation plate is composed of two detachable sub-installation plates, and the two sub-installation plates form the second limiting groove after being installed together.

3. The vector network analyzer calibration device according to claim 1, wherein At least one U-shaped groove is provided on the installation plate, and the second limiting groove is also provided on the U-shaped groove, and the second limiting groove on the U-shaped groove is used for installing the moving ring.

4. The vector network analyzer calibration device according to claim 1, characterized in that The adjusting mechanism includes: A chassis, one end of the chassis is provided with a mounting block, and a receiving cavity for receiving a threaded rod is provided inside the mounting block; A threaded rod, the threaded rod is vertically arranged on the chassis, and one end of the threaded rod is threadedly connected inside the receiving cavity, a threaded sleeve block is sleeved on the threaded rod, and the threaded sleeve block is fixedly connected with the fixed plate; A guide rod, the guide rod is vertically arranged on the chassis, a moving sleeve block is sleeved on the guide rod, and the moving sleeve block is fixedly connected with the fixed plate.

5. The vector network analyzer calibration device according to claim 4, characterized in that, A rotating piece is fixedly arranged inside the receiving cavity, and one end of the threaded rod is threadedly connected to the rotating piece.

6. The vector network analyzer calibration device according to claim 4, wherein A knob is fixedly installed at the upper end of the threaded rod.

7. The vector network analyzer calibration device according to claim 4, characterized in that, A stop block is provided at the top end of the guide rod.

8. The vector network analyzer calibration device according to claim 4, wherein An anti-slip pad is provided on the bottom surface of the chassis.

9. The vector network analyzer calibration device according to any one of claims 1-8, characterized in that, A storage box is further provided on the adjusting mechanism.

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