Anti-interference current transformer
By designing a fixing mechanism and connecting mechanism in the current transformer, and using components such as threaded barrels, threaded rods and limit rods, the problem of wires being unable to be effectively fixed is solved, and the accuracy of measurement results and the practicality of the device are improved.
Patent Information
- Application Number
- CN202421256598.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-04
AI Technical Summary
In existing current transformers, the wires cannot be effectively fixed and are prone to shake, resulting in inaccurate measurement results.
An anti-interference current transformer is designed, adopting a structure including a base, a fixed foot, a current transformer body, a fixing mechanism and a connecting mechanism. The wire is stabilized through components such as threaded cylinder, threaded rod, limit rod, etc.
It effectively avoids wire shaking, ensures the stability of the wire, improves the accuracy of measurement results, and simplifies the disassembly and assembly process of the device.
Smart Images
Figure CN222653775U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of current transformers, in particular to an anti-interference current transformer. Background Art
[0002] The current transformer is usually composed of a closed iron core and winding. At the same time, the primary winding of the current transformer has fewer turns and the secondary winding has more turns, so that when the current transformer is working, the secondary circuit remains in a closed state, thereby achieving the effect of a measuring instrument.
[0003] Currently, the wires usually pass directly through the interior of the current transformer, and the wires cannot be fixed well. When the equipment is running, vibrations are easily generated, causing the wires to shake, making the wires easy to move and interfere with the measurement results. For this reason, we propose an anti-interference current transformer. Utility Model Content
[0004] The utility model aims to provide an anti-interference current transformer to solve the problem in the background technology that the current wires usually pass directly through the interior of the current transformer, the wires cannot be well fixed, the wires are easy to move, and the measurement results are interfered.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-interference current transformer, comprising a base, a fixed foot, a current transformer body, a fixing mechanism and a connecting mechanism, wherein the fixed foot is fixedly connected to the left and right bottoms of the base, the current transformer body is connected to the top middle part of the base through the connecting mechanism, the fixing mechanism is connected to the middle part of the top front part of the base, the fixing mechanism comprises a bearing, a threaded barrel, a threaded rod, a movable seat, a limit rod, a sleeve, a support rod and a fixed seat, a bearing is embedded in the middle part of the top front part of the base, a threaded barrel is fixedly connected to the inside of the bearing, a threaded rod is screwed to the inside of the threaded barrel through a thread, the top of the threaded rod is fixedly connected to the movable seat, the bottom left and right sides of the movable seat are fixedly connected to the limit rod, the left and right front sides of the base are fixedly connected to the sleeve, the left and right front sides of the base are fixedly connected to the support rod and are located on the outside of the sleeve, and the top of the support rod is fixedly connected to the fixed seat.
[0006] As a further description of the above technical solution:
[0007] The limiting rod is slidably connected to the interior of the sleeve, and a baffle is fixedly connected to the bottom end of the limiting rod.
[0008] As a further description of the above technical solution:
[0009] The opposite sides of the fixed seat and the movable seat are provided with arc surfaces.
[0010] As a further description of the above technical solution:
[0011] The connecting mechanism includes a slot, a sliding rod, a slider, a rotating groove, a return spring, a fixing rod, a pressing rod, a connecting seat, a connecting rod, an insert block and a fixing hole. A slot is provided through the middle part of the top of the base, a sliding rod is fixedly connected to the middle part between the left and right sides of the inner cavity of the base, a sliding rod is symmetrically slidably connected to the outer wall of the sliding rod, a rotating groove is provided in the middle part of the bottom of the slider, a return spring is fixedly connected to the middle part of the bottom of the left and right sliders on the sides away from each other, a fixing rod is fixedly connected to the middle part of the top on the opposite sides of the left and right sliders, a pressing rod is slidably connected through the middle part of the bottom of the inner cavity of the base, the top of the pressing rod is fixedly connected to the connecting seat, the left and right parts between the front and rear sides of the inner cavity of the connecting seat are rotatably connected with a connecting rod, the middle part of the bottom of the current transformer body is fixedly connected to the insert block, and a fixing hole is provided through the middle part of the bottom of the right side of the insert block.
[0012] As a further description of the above technical solution:
[0013] The left end of the left return spring is fixedly connected to the left side of the inner cavity of the base, the right end of the right return spring is fixedly connected to the right side of the inner cavity of the base, and the return spring is sleeved on the outer side of the slide rod.
[0014] As a further description of the above technical solution:
[0015] The other end of the left connecting rod is rotatably connected to the inside of the left rotating groove, and the other end of the right connecting rod is rotatably connected to the inside of the right rotating groove. The length and width of the slot are equal to the length and width of the bottom of the insert block.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The anti-interference current transformer rotates the threaded barrel, and the threaded barrel is threadedly connected to the threaded rod. By utilizing the limiting function of the limiting rod, when the threaded barrel rotates, the threaded rod moves, driving the moving seat to move, so that the moving seat gradually approaches the fixed seat, and the wire passing through the current transformer body is fixed to avoid the wire shaking, so that the wire is stable, the wire shaking is prevented, and the measurement result is inaccurate, thereby improving the anti-interference performance of the device.
[0018] 2. The anti-interference current transformer moves the connecting seat and deflects the connecting rod by pressing the push rod, so that the sliders move away from each other, squeeze the reset spring, and at the same time make the fixing rod withdraw from the fixing hole, release the fixation of the plug block, and disassemble the current transformer body. During installation, the plug block is embedded in the slot, and the push rod is loosened. The slider is reset by the reset spring, and the fixing rod is embedded in the fixing hole to complete the installation, thereby facilitating the disassembly and assembly of the current transformer, making the disassembly and assembly simpler and more convenient, facilitating subsequent replacement and maintenance, and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of an anti-interference current transformer proposed by the utility model;
[0020] Figure 2 This is a schematic diagram of the fixing mechanism structure of an anti-interference current transformer proposed by the utility model;
[0021] Figure 3 This is a schematic diagram of a fixed rod installation structure of an anti-interference current transformer proposed by the utility model;
[0022] Figure 4 The utility model provides a structural schematic diagram of a fixing hole of an anti-interference current transformer.
[0023] In the figure: 100, base; 200, fixed foot; 300, current transformer body; 400, fixing mechanism; 410, bearing; 420, threaded cylinder; 430, threaded rod; 440, movable seat; 450, limit rod; 460, sleeve; 470, support rod; 480, fixed seat; 500, connecting mechanism; 510, slot; 520, slide rod; 530, slider; 531, rotating groove; 540, reset spring; 550, fixing rod; 560, push rod; 570, connecting seat; 580, connecting rod; 590, plug block; 591, fixing hole. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model 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 cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] The utility model provides an anti-interference current transformer, which fixes the wire passing through the current transformer body to prevent the wire from shaking, making the wire stable, preventing the wire from shaking and causing inaccurate measurement results, and improving the anti-interference performance of the device. Please refer to Figure 1-4 , including a base 100, a fixing foot 200, a current transformer body 300, a fixing mechanism 400 and a connecting mechanism 500;
[0028] Please refer again Figure 1 , the base 100 is used to install the fixing foot 200, the current transformer body 300, the fixing mechanism 400 and the connecting mechanism 500;
[0029] Please refer again Figure 1 The fixing feet 200 are fixedly connected to the bottom of the left and right sides of the base 100 for fixing the device, the current transformer body 300 is connected to the middle of the top of the base 100 through the connecting mechanism 500, and the fixing mechanism 400 is connected to the middle of the top front of the base 100;
[0030] Please refer again Figure 2 , the fixing mechanism 400 includes a bearing 410, a threaded cylinder 420, a threaded rod 430, a movable seat 440, a limiting rod 450, a sleeve 460, a support rod 470 and a fixed seat 480;
[0031] Please refer again Figure 2 A bearing 410 is embedded in the middle of the top front part of the base 100, a threaded cylinder 420 is fixedly connected inside the bearing 410, a threaded rod 430 is screwed inside the threaded cylinder 420 through a thread, and a moving seat 440 is fixedly connected to the top of the threaded rod 430;
[0032] Please refer again Figure 2 The left and right sides of the bottom of the movable seat 440 are fixedly connected to the limiting rod 450, the left and right parts of the front side of the base 100 are fixedly connected to the sleeve 460, the left and right parts of the front side of the base 100 are fixedly connected to the support rod 470, and are located on the outside of the sleeve 460, and the top of the support rod 470 is fixedly connected to the fixed seat 480.
[0033] To summarize, the threaded barrel 420 is rotated, and the threaded barrel 420 is threadedly connected to the threaded rod 430. By utilizing the limiting function of the limiting rod 450, when the threaded barrel 420 is rotated, the threaded rod 430 is moved, driving the moving seat 440 to move, so that the moving seat 440 gradually approaches the fixed seat 480, and the wire passing through the interior of the current transformer body 300 is fixed to avoid the wire shaking, so that the wire is stable, and the wire shaking is prevented, which leads to inaccurate measurement results, thereby improving the anti-interference ability of the device.
[0034] Please refer again Figure 2 The limiting rod 450 is slidably connected to the interior of the sleeve 460 , and a baffle is fixedly connected to the bottom end of the limiting rod 450 .
[0035] Please refer again Figure 2 , arc surfaces are provided on opposite sides of the fixed seat 480 and the movable seat 440 .
[0036] Please refer again Figure 3-4The connecting mechanism 500 includes a slot 510, a slide bar 520, a slider 530, a rotation slot 531, a return spring 540, a fixing rod 550, a push rod 560, a connecting seat 570, a connecting rod 580, an insert block 590 and a fixing hole 591. The slot 510 is provided in the middle of the top of the base 100, the slide bar 520 is fixedly connected to the middle between the left and right sides of the inner cavity of the base 100, the outer wall of the slide bar 520 is symmetrically slidably connected to the slider 530, the bottom middle of the slider 530 is provided with a rotation slot 531, and the sliders 530 on the left and right sides are provided with a rotation slot 531. A return spring 540 is fixedly connected to the middle of the bottom of the mutually distant sides of the left and right sliders 530, a fixing rod 550 is fixedly connected to the middle of the top on the opposite sides of the left and right sliders 530, a pressing rod 560 is slidably connected through the middle of the bottom of the inner cavity of the base 100, a connecting seat 570 is fixedly connected to the top of the pressing rod 560, and a connecting rod 580 is rotatably connected to the left and right parts between the front and rear sides of the inner cavity of the connecting seat 570, an insert block 590 is fixedly connected to the middle of the bottom of the current transformer body 300, and a fixing hole 591 is opened through the middle of the bottom of the right side of the insert block 590.
[0037] Please refer again Figure 3 The left end of the left return spring 540 is fixedly connected to the left side of the inner cavity of the base 100 , the right end of the right return spring 540 is fixedly connected to the right side of the inner cavity of the base 100 , and the return spring 540 is sleeved on the outer side of the slide rod 520 .
[0038] Please refer again Figure 3-4 The other end of the left connecting rod 580 is rotatably connected to the inside of the left rotating groove 531, and the other end of the right connecting rod 580 is rotatably connected to the inside of the right rotating groove 531. The length and width of the slot 510 are equal to the length and width of the bottom of the insert block 590.
[0039] To summarize, by pressing the push rod 560, the connecting seat 570 moves, the connecting rod 580 is deflected, so that the sliders 530 move away from each other, the reset spring 540 is squeezed, and the fixing rod 550 is withdrawn from the fixing hole 591, the fixation of the plug block 590 is released, and the current transformer body 300 is disassembled. During installation, the plug block 590 is embedded in the slot 510, and the push rod 560 is loosened. The slider 530 is reset by the reset spring 540, and the fixing rod 550 is embedded in the fixing hole 591 to complete the installation, thereby facilitating the disassembly and assembly of the current transformer, making the disassembly and assembly simpler and more convenient, facilitating subsequent replacement and maintenance, and improving the practicality of the device.
[0040] In specific use, when using it, the technical personnel in this field first fix the device at a specified position by bolts, pass the wire through the interior of the current transformer body 300, rotate the threaded cylinder 420, and the threaded cylinder 420 is screwed with the threaded rod 430. By using the limit of the limit rod 450, when the threaded cylinder 420 rotates, the threaded rod 430 moves, driving the moving seat 440 to move, so that the moving seat 440 gradually approaches the fixed seat 480, and the wire passing through the interior of the current transformer body 300 is fixed. When the current transformer body 300 needs to be repaired or replaced, , press the push rod 560 to move the connecting seat 570 and deflect the connecting rod 580, so that the sliders 530 move away from each other, squeeze the reset spring 540, and at the same time make the fixing rod 550 withdraw from the fixing hole 591, release the fixation of the plug block 590, and disassemble the current transformer body 300. When installing, press the push rod 560 again to embed the plug block 590 into the slot 510, loosen the push rod 560, and reset the slider 530 through the reset of the reset spring 540, so that the fixing rod 550 is embedded in the fixing hole 591, and the installation is completed.
[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. An anti-interference current transformer, characterized in that: The invention comprises a base (100), a fixing foot (200), a current transformer body (300), a fixing mechanism (400) and a connecting mechanism (500), wherein the fixing foot (200) is fixedly connected to the left and right bottoms of the base (100), the current transformer body (300) is connected to the middle of the top of the base (100) through the connecting mechanism (500), the fixing mechanism (400) is connected to the middle of the top front of the base (100), and the fixing mechanism (400) comprises a bearing (410), a threaded cylinder (420), a threaded rod (430), a movable seat (440), a limiting rod (450), a sleeve (460), a support rod (470) and a fixing seat (480). ), a bearing (410) is embedded in the middle of the top front part of the base (100), a threaded tube (420) is fixedly connected inside the bearing (410), a threaded rod (430) is screwed inside the threaded tube (420) through a thread, a movable seat (440) is fixedly connected to the top of the threaded rod (430), and the left and right sides of the bottom of the movable seat (440) are fixedly connected to a limiting rod (450), the left and right parts of the front side of the base (100) are fixedly connected to a sleeve (460), the left and right parts of the front side of the base (100) are fixedly connected to a support rod (470) and are located on the outside of the sleeve (460), and the top of the support rod (470) is fixedly connected to a fixed seat (480).
2. The anti-interference current transformer according to claim 1, characterized in that: The limiting rod (450) is slidably connected to the interior of the sleeve (460), and a baffle is fixedly connected to the bottom end of the limiting rod (450).
3. The anti-interference current transformer according to claim 1, characterized in that: The opposite sides of the fixed seat (480) and the movable seat (440) are provided with arc surfaces.
4. The anti-interference current transformer according to claim 1, characterized in that: The connecting mechanism (500) comprises a slot (510), a slide bar (520), a slider (530), a rotation slot (531), a return spring (540), a fixing rod (550), a push rod (560), a connecting seat (570), a connecting rod (580), an insert (590) and a fixing hole (591); a slot (510) is provided in the middle of the top of the base (100); a slide bar (520) is fixedly connected in the middle between the left and right sides of the inner cavity of the base (100); a slider (530) is symmetrically slidably connected to the outer wall of the slide bar (520); a rotation slot (531) is provided in the middle of the bottom of the slider (530); A return spring (540) is fixedly connected to the middle of the bottom of the side away from each other of the slider (530), a fixing rod (550) is fixedly connected to the middle of the top of the opposite side of the left and right sliders (530), a push rod (560) is slidably connected through the middle of the bottom of the inner cavity of the base (100), a connecting seat (570) is fixedly connected to the top of the push rod (560), and a connecting rod (580) is rotatably connected to the left and right parts of the inner cavity between the front and rear sides of the connecting seat (570), and an insert block (590) is fixedly connected to the middle of the bottom of the current transformer body (300), and a fixing hole (591) is opened through the middle of the bottom of the right side of the insert block (590).
5. The anti-interference current transformer according to claim 4, characterized in that: The left end of the left return spring (540) is fixedly connected to the left side of the inner cavity of the base (100), and the right end of the right return spring (540) is fixedly connected to the right side of the inner cavity of the base (100), and the return spring (540) is sleeved on the outer side of the slide rod (520).
6. The anti-interference current transformer according to claim 4, characterized in that: The other end of the left connecting rod (580) is rotatably connected to the inside of the left rotating groove (531), and the other end of the right connecting rod (580) is rotatably connected to the inside of the right rotating groove (531), and the length and width of the slot opening of the slot (510) are equal to the length and width of the bottom of the insert block (590).