Rogowski coil electric energy meter verification tool
By designing a Rogowski coil electric energy meter calibration fixture with supporting components and fixing components, the problems of current-carrying line fixation and anti-interference detection are solved, the stable fixation and flexible adjustment of the current-carrying line are achieved, and the accuracy and reliability of detection are improved.
Patent Information
- Application Number
- CN202422847110.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing Rogowski coil electric energy meters lack a fixing fixture, cannot effectively fix the current-carrying wire, and cannot detect the anti-interference ability of the current-carrying wire.
A calibration fixture consisting of a base, a support assembly and a fixing assembly was designed. The current-carrying line was fixed and adjusted through structures such as a bracket, a lifting seat, fastening bolts and a slider, ensuring that the current-carrying line is adjustable in the vertical and horizontal directions and enhancing anti-interference ability.
The stable fixation and flexible adjustment of the current-carrying line are achieved, the anti-interference ability of the current-carrying line is improved, and the accuracy and reliability of the detection are ensured.
Smart Images

Figure CN223461697U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of Rogowski coil electric energy meter calibration, and relates to a Rogowski coil electric energy meter calibration fixture. BACKGROUND
[0002] The Rogowski coil electric energy meter is of the mutual inductor access type, and the current-carrying wire of the primary current does not pass through the inside of the electric energy meter, and there is no current sampling element inside, while the commonly used electric energy meter has a current sampling element inside, and the current-carrying wire passes through the electric energy meter, so the pipe type terminal of the current-carrying wire can be connected to the current output end and the current input end of the electric energy meter calibration device, the current sampling signal of the Rogowski coil is connected with the electric energy meter, the power pulse output of the electric energy meter is connected with the electric energy meter calibration device, and the voltage output of the electric energy meter calibration device is connected with the electric energy meter.
[0003] However, no fixed fixture can fix the current-carrying wire, and the anti-interference capability of the current-carrying wire cannot be detected, so there is a large improvement space. SUMMARY
[0004] The utility model discloses a Rogowski coil electric energy meter calibration fixture aiming at the above problems existing in the prior art.
[0005] The utility model discloses a Rogowski coil electric energy meter calibration fixture, which comprises:
[0006] A base;
[0007] A support assembly comprising two supports, two of which are connected to the two sides of the base;
[0008] A fixing assembly, the number of which is three, each of which comprises a fixing tube and two lifting seats, the two ends of the fixing tube are connected to two lifting seats, and two lifting seats are movably connected to two supports.
[0009] In the above-mentioned Rogowski coil electric energy meter calibration fixture, the support is provided with a guide groove distributed in the vertical direction, and the lifting seat is movably connected to the guide groove.
[0010] In the above-mentioned Rogowski coil electric energy meter calibration fixture, it further comprises a first fastening bolt and a first fastening nut, the two sides of the guide groove extend inward to form a limiting part, the lifting seat is provided with a first fastening hole, the head of the first fastening bolt is located in the guide groove and in contact with the limiting part, the tail of the first fastening bolt passes through the limiting part and the first fastening hole and is threadedly connected with the first fastening nut.
[0011] In the above-mentioned kind of Rogowski coil electric energy meter verification fixture, the lifting seat is provided with a mounting hole, and the fixed pipe passes through the mounting hole.
[0012] In the above-mentioned kind of Rogowski coil electric energy meter verification fixture, a second fastening bolt is further included, the lifting seat is further provided with a second fastening hole, the second fastening hole is communicated with the mounting hole, and the second fastening bolt is threadedly connected with the second fastening hole and can contact the fixed pipe.
[0013] In the above-mentioned kind of Rogowski coil electric energy meter verification fixture, the number of the support assemblies is at least two, and at least one fixed assembly is arranged on each support assembly.
[0014] In the above-mentioned kind of Rogowski coil electric energy meter verification fixture, the base is provided with a sliding rail, the support is provided with a sliding block, and the support is slidably connected with the sliding rail of the base through the sliding block.
[0015] In the above-mentioned kind of Rogowski coil electric energy meter verification fixture, a third fastening bolt is further included, the sliding block is provided with a third fastening hole, the third fastening hole is aligned with the sliding rail, and the third fastening bolt is threadedly connected with the third fastening hole and can contact the sliding rail.
[0016] Compared with the prior art, the utility model has the advantages that:
[0017] 1. Three current-carrying wires can be fixed through the three fixed pipes respectively, so that the three current-carrying wires are arranged on the three fixed pipes in the same vertical plane, and the spacing of the three current-carrying wires can be adjusted to detect the anti-interference capability of the current-carrying wires.
[0018] 2. The head of the first fastening bolt is located in the guide groove and contacts the limiting part, the tail of the first fastening bolt passes through the limiting part and the first fastening hole and is threadedly connected with the first fastening nut, so that the adjusted lifting seat and the support can be fixed.
[0019] 3. The second fastening bolt can be threadedly connected with the second fastening hole and can contact the fixed pipe, so that the fixed pipe and the lifting seat are fastened to prevent the fixed pipe from moving or rotating.
[0020] 4. One current-carrying wire can be connected with one fixed pipe of one fixed assembly, and the other two current-carrying wires can be connected with two fixed pipes of another fixed assembly, so that one current-carrying wire and the other two current-carrying wires are located in different vertical planes, and the anti-interference capability of the current-carrying wires is further improved.
[0021] 5. The support is slidably connected with the sliding rail of the base through the sliding block, so that the two support assemblies can approach or move away from each other, so that the three current-carrying wires can be adjusted in the vertical direction and the horizontal direction at the same time, and the anti-interference capability of the current-carrying wires is further improved.
[0022] 6. The third fastening bolt is threadedly connected with the third fastening hole and can contact the slide rail, thereby fastening the sliding block and the slide rail. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a structure schematic view of the embodiment one of the utility model.
[0024] Figure 2 It is an explosion view of the embodiment one of the utility model.
[0025] Figure 3 It is another explosion view of the embodiment one of the utility model.
[0026] Figure 4 It is a structure schematic view of the embodiment two of the utility model.
[0027] In the figure, 100, base; 110, slide rail; 200, support; 210, guide slot; 211, limiting portion; 220, sliding block; 221, third fastening hole; 310, fixed tube; 320, lifting seat; 321, first fastening hole; 322, mounting hole; 323, second fastening hole; 410, first fastening bolt; 420, first fastening nut; 500, second fastening bolt; 600, third fastening bolt. DETAILED DESCRIPTION
[0028] The following is a specific embodiment of the utility model and in combination with the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.
[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications also change accordingly.
[0030] In addition, in the utility model, the description such as "first", "second", "one" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.
[0031] In the utility model, unless another definite provision and limitation, the terms "connect", "fix" and the like should do the broad sense understanding, for example, "fix" can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction relationship of two elements, unless another definite limitation.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0032] In addition, the technical solutions of various embodiments of the utility model can be combined with each other, but it must be based on that ordinary skilled in the art can realize, when the combination of technical solutions appears mutual contradiction or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.
[0033] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.
[0034] Embodiment one
[0035] As Figure 1 , Figure 2 , Figure 3 Indicated, a Rogowski coil electric energy meter verification fixture, it includes: base 100, support assembly and fixed component.
[0036] Among them, the support assembly includes two brackets 200, two the bracket 200 is connected with the two sides of the base 100 respectively.
[0037] Among them, the number of fixed components is three, each fixed component includes fixed tube 310 and two lifting seats 320, the both ends of the fixed tube 310 are connected with two lifting seats 320 respectively, two lifting seats 320 are connected with two brackets 200 respectively and can be lifted.
[0038] In the embodiment, three current-carrying wires can be fixed through three fixed tubes 310 respectively, so that three current-carrying wires are arranged on three fixed tubes 310 in the same vertical plane, and the spacing of three can be adjusted to detect the anti-interference ability of current-carrying wire.
[0039] As Figure 1 , Figure 2 , Figure 3As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210.
[0040] As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210. Figure 1 、 Figure 2 、 Figure 3 As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210.
[0041] In the embodiment, the head of the first fastening bolt 410 is located in the guide slot 210 and contacts with the limiting part 211, and the tail of the first fastening bolt 410 passes through the limiting part 211 and the first fastening hole 321 and is threadedly connected with the first fastening nut 420, so that the adjusted lifting seat 320 can be fixed with the bracket 200.
[0042] As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210. Figure 1 、 Figure 2 、 Figure 3 As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210.
[0043] In the embodiment, the head of the first fastening bolt 410 is located in the guide slot 210 and contacts with the limiting part 211, and the tail of the first fastening bolt 410 passes through the limiting part 211 and the first fastening hole 321 and is threadedly connected with the first fastening nut 420, so that the adjusted lifting seat 320 can be fixed with the bracket 200.
[0044] As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210. Figure 1 、 Figure 2 、 Figure 3 As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210.
[0045] In the embodiment, the head of the first fastening bolt 410 is located in the guide slot 210 and contacts with the limiting part 211, and the tail of the first fastening bolt 410 passes through the limiting part 211 and the first fastening hole 321 and is threadedly connected with the first fastening nut 420, so that the adjusted lifting seat 320 can be fixed with the bracket 200.
[0046] Example Two
[0047] As shown in the above embodiment, the bracket 200 is provided with a guide slot 210 distributed along the vertical direction, and the lifting seat 320 is movably connected with the guide slot 210. Figure 3 、 Figure 4As shown, the other structure of the second embodiment is the same as the first embodiment, and the difference between the second embodiment and the first embodiment is that the number of the support assemblies is at least two, and at least one fixing assembly is arranged on each support assembly.
[0048] In the embodiment, one current-carrying wire is connected with one fixing pipe 310 of one fixing assembly, and the other two current-carrying wires are connected with two fixing pipes 310 of another fixing assembly, so that one current-carrying wire and the other two current-carrying wires are located in different vertical planes, and the anti-interference ability of the current-carrying wires is further improved.
[0049] As shown in Figure 3 , Figure 4 On the basis of the above-mentioned embodiment, the base 100 is provided with a sliding rail 110, the support 200 is provided with a sliding block 220, and the support 200 is slidably connected with the sliding rail 110 of the base 100 through the sliding block 220.
[0050] In the embodiment, the support 200 is slidably connected with the sliding rail 110 of the base 100 through the sliding block 220, so that the two support assemblies can be close to or away from each other, so that the three current-carrying wires can be adjusted in the vertical direction and the horizontal direction at the same time, and the anti-interference ability of the current-carrying wires is further improved.
[0051] As shown in Figure 3 , Figure 4 On the basis of the above-mentioned embodiment, a third fastening bolt 600 is further included, the sliding block 220 is provided with a third fastening hole 221, the third fastening hole 221 is aligned with the sliding rail 110, and the third fastening bolt 600 can be threadedly connected with the third fastening hole 221 and can be in contact with the sliding rail 110.
[0052] In the embodiment, the third fastening bolt 600 can be threadedly connected with the third fastening hole 221 and can be in contact with the sliding rail 110, so as to fasten the sliding block 220 and the sliding rail 110.
Claims
1. A Rogowski coil electric energy meter calibration jig, characterized in that, The utility model relates to a supporting device for a display stand, which comprises: a base; a support assembly comprising two supports, each of which is connected to two sides of the base; three fixing assemblies, each of which comprises a fixing tube and two lifting seats, the two ends of the fixing tube being connected to the two lifting seats respectively, and the two lifting seats being connected to the two supports respectively in a lifting manner.
2. The Rogowski coil electric energy meter calibration jig of claim 1, wherein: The support is provided with a guide groove distributed in the vertical direction, and the lifting seat is movably connected to the guide groove.
3. The Rogowski coil electric energy meter calibration jig of claim 2, wherein: The utility model further comprises a first fastening bolt and a first fastening nut, the two sides of the guide groove extend inward to form a limiting part, the lifting seat is provided with a first fastening hole, the head of the first fastening bolt is located in the guide groove and in contact with the limiting part, the tail of the first fastening bolt passes through the limiting part and the first fastening hole and is threadedly connected to the first fastening nut.
4. The Rogowski coil electric energy meter calibration jig of claim 1, wherein: The lifting seat is provided with a mounting hole, and the fixing tube passes through the mounting hole.
5. The Rogowski coil electric energy meter verification fixture of claim 4, wherein: The utility model further comprises a second fastening bolt, the lifting seat is further provided with a second fastening hole, the second fastening hole is in communication with the mounting hole, the second fastening bolt can be threadedly connected to the second fastening hole and can be in contact with the fixing tube.
6. The Rogowski coil electric energy meter calibration jig according to any one of claims 1-5, characterized in that: The number of the support assemblies is at least two, and at least one fixing assembly is arranged on each support assembly.
7. The Rogowski coil electric energy meter calibration jig of claim 6, wherein: The base is provided with a sliding rail, the support is provided with a sliding block, and the support is slidably connected to the sliding rail of the base through the sliding block.
8. The Rogowski coil electric energy meter calibration jig of claim 7, wherein: The utility model further comprises a third fastening bolt, the sliding block is provided with a third fastening hole, the third fastening hole is aligned with the sliding rail, the third fastening bolt can be threadedly connected to the third fastening hole and can be in contact with the sliding rail.