Holding device for a roebel coil

Abstract

The utility model relates to fixing device technical field especially for the fixed device for the roth coil. The utility model discloses the main part, the clamping arm and the guide block, the top of main part symmetry is provided with the clamping arm, and the guide block is symmetrically arranged between two clamping arms, and the clamping mechanism and the fine adjustment mechanism are arranged between the guide block and the clamping arm, the clamping mechanism is convenient for clamping test conductor, and the fine adjustment mechanism is used for adjusting the position of test conductor. The utility model discloses the setting of clamping mechanism can realize the effective clamping of test conductor, and adapts the test conductor of different size, satisfies different test demand, and the main part adopts the roth coil, ensures the basic function of measurement, and the fine adjustment mechanism realizes the fine adjustment of test conductor position through the cooperation of adjusting plate and screw rod, improves the accuracy of measurement, solves the problem that the measured conductor and the coil are easy to produce inclination and deviation in the prior art, leads to the measurement error.

Description

Technical Field

[0001] This utility model relates to the field of fixing device technology, and in particular to a fixing device for Rogowski coils. Background Technology

[0002] Rogowski coils, as current measuring devices based on the principle of electromagnetic induction, are widely used in many fields. However, like other measuring devices, Rogowski coils also have certain errors, which can affect the accuracy and reliability of the measurement results.

[0003] For example, the holding device for Rogowski coils with publication (announcement) number CN223139664U relates to the technical field of Rogowski coil holding devices. It includes a Rogowski coil body, a connecting block at the port connection of the Rogowski coil body, a mounting base fixedly connected to the upper surface of the connecting block, a mounting groove on the upper surface of the mounting base, a mounting block fixedly connected to the lower surface of the fixing block, the mounting block being detachably connected to the mounting groove, an elastic plastic strip fixedly connected to the left side of the fixing block, a cable tie on the surface of the elastic plastic strip, an insert block on the right side of the fixing block, a threaded rod threadedly connected to the surface of the threaded hole, a rotating block fixedly connected to the upper end of the threaded rod, and a pressure plate rotatably connected to the lower end of the threaded rod via a bearing. This utility model, through the arrangement of the fixing block, elastic plastic strip, cable tie, holding frame, threaded rod, and pressure plate, prevents coil wear and position changes, thus achieving better protection of the Rogowski coil.

[0004] In summary, the following technical problems exist in the prior art: during use, the prior art cannot avoid tilting and offset between the conductor being measured and the coil, which leads to measurement errors. Therefore, we propose a holding device for Rogowski coils. Utility Model Content

[0005] The purpose of this invention is to provide a holding device for Rogowski coils to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A holding device for Rogowski coils includes a main body, clamping arms, and guide blocks. The clamping arms are symmetrically arranged at the top of the main body, and guide blocks are symmetrically arranged between the two clamping arms. A clamping mechanism and a fine-tuning mechanism are arranged between the guide blocks and the clamping arms. The clamping mechanism is used to clamp the test conductor, and the fine-tuning mechanism is used to adjust the position of the test conductor.

[0008] Preferably, a fixing block is fixed on one side of the main body. The fixing block is used to connect with an external device. Multiple mounting plates are snapped into the inner side of the fixing block. Multiple positioning holes corresponding to the mounting plates are opened at the bottom of the clamping arm. The mounting plates are detachably inserted into the positioning holes.

[0009] Preferably, the clamping mechanism includes symmetrically arranged clamping arms, slots, first springs, connecting blocks, rotating openings, rotating shafts, and connecting rods. Each of the two clamping arms has a slot at one opposite end, and a first spring is fixed in each of the two slots. The first springs provide tension to close the two clamping arms. A connecting block is fixed to the other end of one of the clamping arms, and a rotating opening is formed in the connecting block. A connecting rod is fixed to the end of the other clamping arm near the connecting block, and a rotating shaft is fixed to the end of the connecting rod near the connecting block. The rotating opening is rotatably connected to the rotating shaft.

[0010] Preferably, the clamping mechanism further includes a fixing block, a second spring, a fixing block, and a guide surface. Six fixing blocks are fixed in an array on the inner side of the two clamping arms. A corresponding number of second springs are provided on the outer side of the six fixing blocks. Three second springs are fixed on the outer side of the guide block. A guide surface is opened on the opposite side of the two guide blocks. The guide surface can adapt to different test conductors.

[0011] Preferably, the fine-tuning mechanism includes an adjusting plate and a screw. An adjusting plate is provided between the guide block and the second spring. The adjusting plate is sleeved on the outside of the fixed block and moves along the fixed block. A screw is provided through the clamping arm at a position corresponding to the adjusting plate.

[0012] Preferably, the screw, the first spring, and the second spring are made of non-magnetic metal to avoid interfering with measurement accuracy.

[0013] Preferably, both the clamping arm and the guide block are made of polyetheretherketone (PEEK).

[0014] It is clear without a doubt that the technical solution described above in this application can solve the technical problem that this application aims to address.

[0015] At the same time, through the above technical solutions, this utility model has at least the following beneficial effects:

[0016] The clamping mechanism enables effective clamping of the test conductor and is adaptable to test conductors of different sizes to meet different testing needs. The main body 100 uses a Rogowski coil to ensure the basic measurement function.

[0017] The fine-tuning mechanism, through the cooperation of the adjusting plate 303 and the screw 304, enables fine-tuning of the position of the test conductor, thereby improving the accuracy of the measurement and solving the problem of measurement error caused by the easy tilting and offset between the tested conductor and the coil in the prior art. Attached Figure Description

[0018] 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the mounting plate and the positioning port of this utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the second spring and the fixing block of this utility model;

[0022] Figure 4 This is a schematic diagram of the connection structure between the adjusting plate and the screw of this utility model;

[0023] Figure 5 This is a schematic diagram of the connection structure between the rotating port and the rotating shaft of this utility model.

[0024] The components represented by each number in the diagram are listed below:

[0025] In the diagram: 100, main body; 101, connecting block; 102, mounting plate; 200, clamping arm; 201, positioning port; 202, slot; 203, first spring; 204, connecting block; 205, rotating port; 206, rotating shaft; 207, connecting rod; 300, guide block; 301, second spring; 302, fixing block; 303, adjusting plate; 304, screw; 305, guide surface. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model 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 of the present utility model and are not intended to limit the present utility model.

[0027] Example 1

[0028] Reference Figure 1 - Figure 5A holding device for Rogowski coils includes a main body 100, clamping arms 200, and guide blocks 300. The main body 100 is a Rogowski coil. The clamping arms 200 are symmetrically arranged at the top of the main body 100. The guide blocks 300 are symmetrically arranged between the two clamping arms 200. A clamping mechanism and a fine-tuning mechanism are arranged between the guide blocks 300 and the clamping arms 200. The clamping mechanism facilitates clamping the test conductor, and the fine-tuning mechanism is used to adjust the position of the test conductor. Through the clamping mechanism and the fine-tuning mechanism, the test conductor can be effectively clamped and its position adjusted to meet different testing requirements.

[0029] A connecting block 101 is fixed on one side of the main body 100. The connecting block 101 is used to connect with external devices. Multiple mounting plates 102 are snapped into the inner side of the connecting block 101. Multiple positioning holes 201 corresponding to the mounting plates 102 are opened at the bottom of the clamping arm 200. The mounting plates 102 are detachably inserted into the positioning holes 201. The detachable connection between the mounting plates 102 and the positioning holes 201 facilitates the installation and removal of the clamping arm 200. After the conductor to be measured is installed in the clamping arm 200, a stable connection is formed with the main body 100 to ensure that the gap between the Rogowski coil and the conductor to be measured is adjusted to the optimal distance, which helps to improve the measurement accuracy.

[0030] The clamping mechanism includes symmetrically arranged clamping arms 200, slots 202, first springs 203, connecting blocks 204, rotating openings 205, rotating shafts 206, and connecting rods 207. Each clamping arm 200 has a slot 202 at one opposite end, and a first spring 203 is fixed within each slot 202. The first spring 203 provides tension to close the two clamping arms 200. A connecting block 204 is fixed to the other end of one clamping arm 200, and a rotating opening 205 is provided within the connecting block 204. A connecting rod 207 is fixed to the end of the other clamping arm 200 near the connecting block 204, and a rotating shaft 206 is fixed to the end of the connecting rod 207 near the connecting block 204. The rotating opening 205 rotatably connects to the rotating shaft 206. The tension provided by the first spring 203 enables the two clamping arms 200 to automatically close, thereby clamping the test conductor. The cooperation of connecting block 204, rotating port 205, rotating shaft 206 and connecting rod 207 enables the clamping arm 200 to rotate flexibly during the closing and opening process, ensuring the smooth operation of the clamping action.

[0031] The clamping mechanism also includes a fixing block 302, a second spring 301, and a guide surface 305. Six fixing blocks 302 are arrayed and fixed inside the two clamping arms 200. A corresponding number of second springs 301 are arranged on the outer side of the six fixing blocks 302. Three second springs 301 are fixed to the outer side of the guide block 300. Guide surfaces 305 are formed on the opposing surfaces of the two guide blocks 300. The guide surfaces 305 can accommodate different test conductors. The second springs 301 further enhance the clamping force on the test conductor and can automatically adjust elastically according to the different sizes of the test conductor. The design of the guide surface 305 allows for quick clamping of test conductors of different sizes, with higher adaptability, improving the versatility of the device.

[0032] Example 2

[0033] Further optimizations to Example 1, specifically, such as... Figure 3 - Figure 4 As shown, the fine-tuning mechanism includes an adjusting plate 303 and a screw 304. An adjusting plate 303 is provided between the guide block 300 and the second spring 301. The adjusting plate 303 is sleeved on the outside of the fixed block 302 and moves along the fixed block 302. The screw 304 is provided through the clamping arm 200 at a position corresponding to the adjusting plate 303. Rotating the screw 304 can make the adjusting plate 303 move along the fixed block 302, thereby changing the position of the guide block 300, realizing fine-tuning of the position of the measuring conductor, and improving accuracy.

[0034] The screw 304, the first spring 203, and the second spring 301 are made of non-magnetic metal to avoid interfering with measurement accuracy and to prevent magnetic field interference during the measurement process, thus ensuring measurement accuracy.

[0035] Both the clamping arm 200 and the guide block 300 are made of polyetheretherketone (PEEK), which has good mechanical properties and chemical stability. This ensures that the clamping arm 200 and the guide block 300 will not deform or be damaged during long-term use, thus improving the service life and reliability of the device.

[0036] In summary:

[0037] This utility model addresses the technical problem that existing technologies cannot avoid tilting and offset between the measured conductor and the coil during use, leading to measurement errors. The present invention employs the technical solutions described in the above embodiments. Furthermore, the implementation process of the above technical solutions is as follows:

[0038] Manually open the clamping arm 200, overcoming the tension of the first spring 203, allowing the clamping arm 200 to rotate around the pivot 206 and open. Place the test conductor between the two guide blocks 300, using the guide surface 305 to guide and position the test conductor. Release the clamping arm 200, and under the tension of the first spring 203, the two clamping arms 200 will automatically close. Simultaneously, the second spring 301 further enhances the clamping force on the test conductor and elastically adjusts according to the size of the test conductor, ensuring that the test conductor is stably clamped.

[0039] According to the test requirements, the screw 304 is rotated. The rotation of the screw 304 causes the adjusting plate 303 to move along the fixed block 302. The movement of the adjusting plate 303 changes the position of the guide block 300, thereby realizing the fine adjustment of the position of the test conductor and improving the accuracy of the measurement.

[0040] With the above-mentioned settings, this application will certainly solve the above-mentioned technical problems, and at the same time achieve the following technical effects:

[0041] The clamping mechanism enables effective clamping of the test conductor and is adaptable to test conductors of different sizes to meet different testing needs. The main body 100 uses a Rogowski coil to ensure the basic measurement function.

[0042] The fine-tuning mechanism, through the cooperation of the adjusting plate 303 and the screw 304, enables fine-tuning of the position of the test conductor, thereby improving the accuracy of the measurement and solving the problem of measurement error caused by the easy tilting and offset between the tested conductor and the coil in the prior art.

[0043] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A holding device for Rogowski coils, characterized in that, It includes a main body (100), clamping arms (200) and guide blocks (300). The clamping arms (200) are symmetrically arranged at the top of the main body (100), and guide blocks (300) are symmetrically arranged between the two clamping arms (200). A clamping mechanism and a fine-tuning mechanism are provided between the guide blocks (300) and the clamping arms (200). The clamping mechanism is used to clamp the test conductor, and the fine-tuning mechanism is used to adjust the position of the test conductor.

2. The holding device for Rogowski coils according to claim 1, characterized in that, The main body (100) has a fixed connecting block (101) on one side. The connecting block (101) is used to connect with an external device. Multiple mounting plates (102) are snapped into the inner side of the connecting block (101). Multiple positioning ports (201) corresponding to the mounting plates (102) are opened at the bottom of the clamping arm (200). The mounting plates (102) are detachably inserted into the positioning ports (201).

3. The holding device for Rogowski coils according to claim 1, characterized in that, The clamping mechanism includes symmetrically arranged clamping arms (200), slots (202), first springs (203), connecting blocks (204), rotating openings (205), rotating shafts (206), and connecting rods (207). Each of the two clamping arms (200) has a slot (202) at one end opposite to the other. A first spring (203) is fixed in each of the two slots (202). The first spring (203) is used to provide tension to close the two clamping arms (200). A connecting block (204) is fixed at the other end of one of the clamping arms (200). A rotating opening (205) is opened in the connecting block (204). A connecting rod (207) is fixed at the end of the other clamping arm (200) near the connecting block (204). A rotating shaft (206) is fixed at the end of the connecting rod (207) near the connecting block (204). The rotating opening (205) is rotatably connected to the rotating shaft (206).

4. The holding device for Rogowski coils according to claim 1, characterized in that, The clamping mechanism further includes a fixing block (302), a second spring (301), a fixing block (302), and a guide surface (305). Six fixing blocks (302) are fixed in an array on the inner side of the two clamping arms (200). A corresponding number of second springs (301) are provided on the outer side of the six fixing blocks (302). Three of the second springs (301) are fixed on the outer side of the guide block (300). The guide surface (305) is opened on the opposite side of the two guide blocks (300). The guide surface (305) can be adapted to different test conductors.

5. The holding device for Rogowski coils according to claim 1, characterized in that, The fine-tuning mechanism includes an adjusting plate (303) and a screw (304). An adjusting plate (303) is provided between the guide block (300) and the second spring (301). The adjusting plate (303) is sleeved on the outside of the fixed block (302) and moves along the fixed block (302). The screw (304) is provided through the clamping arm (200) at a position corresponding to the adjusting plate (303).

6. The holding device for Rogowski coils according to claim 5, characterized in that, The screw (304), the first spring (203), and the second spring (301) are made of non-magnetic metal to avoid interfering with measurement accuracy.

7. The holding device for Rogowski coils according to claim 1, characterized in that, Both the clamping arm (200) and the guide block (300) are made of polyetheretherketone (PEEK).

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