Installation structure of current transformer
By improving the installation structure of the current transformer and adopting the design of the mounting base and wire clamp assembly, the problems of time-consuming and labor-intensive disassembly and assembly of the current transformer and potential safety hazards in the existing technology are solved, rapid installation and stable fixation are achieved, and maintenance efficiency and safety are improved.
Patent Information
- Application Number
- CN202422673771.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Existing current transformers are fixed by bolts, which makes frequent maintenance or replacement time-consuming and labor-intensive, and may cause equipment damage and safety hazards.
The design of mounting base, wire clamping assembly and fixing assembly, including pull rod, connecting rod, baffle, spring and plug-in block, can realize the rapid installation and stable fixation of transformer. The wire clamping assembly can organize the cables to ensure that they are neat and not easy to fall off.
It realizes the rapid disassembly and assembly and firm fixation of the current transformer, reduces the operation time, reduces the risk of equipment damage and safety hazards, and facilitates the management and maintenance of cables.
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Figure CN223377361U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of current transformers, in particular to an installation structure of a current transformer. Background Art
[0002] A current transformer is a device used to measure alternating current. It operates on the principle of electromagnetic induction. Its primary function is to convert high currents into low currents for safe and accurate measurement or circuit protection. A current transformer consists of an iron core and windings. The primary coil is connected to the current to be measured, while the secondary coil outputs a lower current. Current transformers are typically used in instrument displays or relay protection devices. They are widely used in power systems to ensure the safety of equipment and personnel.
[0003] In distribution cabinets, current transformers are generally fixed with bolts. Although this installation method is stable and reliable, it is extremely inconvenient when frequent maintenance or equipment replacement is required. Each removal and installation of the current transformer requires the use of special tools to tighten or loosen the bolts, which is not only time-consuming and labor-intensive, but can also easily cause equipment damage or safety hazards due to improper operation.
[0004] In view of the above problems, a current transformer installation structure is proposed to solve the above problems. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a mounting structure for a current transformer, which aims to improve the existing technology in which the current transformer is generally fixed by bolts. Although this mounting method is stable and reliable, it is extremely inconvenient when frequent maintenance or replacement of equipment is required. Each time the current transformer is disassembled and installed, special tools need to be used to tighten or loosen the bolts, which is not only time-consuming and labor-intensive, but also prone to equipment damage or safety hazards due to improper operation.
[0006] In order to achieve the above object, the utility model adopts the following technical solution: a mounting structure of a current transformer, comprising a mounting base, two wire clamping assemblies are provided on the top of the mounting base, and a fixing assembly is provided inside the mounting base;
[0007] The fixing assembly includes a pull rod, the outer side of the pull rod is slidingly connected to the inside of the mounting seat, the outer side of the pull rod is rotatably connected to two connecting rods, the connecting rod is rotatably connected to a baffle away from one end of the pull rod, one side of the baffle is fixedly connected to a plug-in block, the other side of the baffle is fixedly connected to a spring, the inside of the baffle is slidably connected to a limit rod, the outer side of the plug-in block is slidably connected to a connecting seat, and the outer side of the connecting seat is fixedly connected to a transformer body.
[0008] As a further description of the above technical solution:
[0009] The wire clamping assembly includes two support frames, an arc block is fixedly connected between the two support frames, a plurality of female buckles are fixedly connected to the outside of the support frames, an elastic band is fixedly connected to the outside of the arc block, and a sub-buckle is fixedly connected to the outside of the elastic band.
[0010] As a further description of the above technical solution:
[0011] One end of the limiting rod away from the baffle is fixedly connected to the inside of the mounting seat.
[0012] As a further description of the above technical solution:
[0013] One end of the spring away from the baffle is fixedly connected to the inner wall of the mounting seat.
[0014] As a further description of the above technical solution:
[0015] The outer side of the connecting rod is slidably connected to the inside of the mounting seat.
[0016] As a further description of the above technical solution:
[0017] Two slots are provided inside the mounting seat, and the outer side of the connecting seat is slidably connected to the inside of the slots.
[0018] As a further description of the above technical solution:
[0019] The sub-button is snap-connected with the female button.
[0020] As a further description of the above technical solution:
[0021] The spring is sleeved on the outside of the limiting rod.
[0022] The utility model has the following beneficial effects:
[0023] 1. In the present invention, by pulling the pull rod, the connecting rod is driven to rotate, the baffle is moved and the spring is compressed, so that the plug-in block leaves the connecting seat. During installation, the connecting seat at the bottom of the new transformer body is aligned with the card slot and inserted. After releasing the pull rod, the spring resets, pushing the baffle and the plug-in block back to their original position, so that the connecting rod is rotated back to its original position, thereby realizing rapid installation and firm fixation of the transformer body and facilitating maintenance.
[0024] 2. In the utility model, the cables that need to pass through the transformer body are placed on the arc block, the elastic band is pulled, and the sub-buckles on the elastic band are buckled into one of the female buckles according to the number of cables, thereby achieving neat fixation and management of the cables to avoid entanglement, and also facilitating the maintenance and adjustment of the cables. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1This is a three-dimensional diagram of the installation structure of a current transformer proposed in the utility model;
[0026] Figure 2 This is a structural schematic diagram of an elastic band of a current transformer installation structure proposed by the present invention;
[0027] Figure 3 This is a structural schematic diagram of a spring of a current transformer installation structure proposed by the utility model.
[0028] Legend:
[0029] 1. Mounting base; 2. Support frame; 3. Arc block; 4. Female buckle; 5. Elastic band; 6. Male buckle; 7. Transformer body; 8. Connecting base; 9. Slot; 10. Baffle; 11. Limit rod; 12. Spring; 13. Plug-in block; 14. Connecting rod; 15. Pull rod. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0031] Reference Figure 1 - Figure 3 The present invention provides an embodiment of a current transformer installation structure, comprising a mounting base 1, two wire clamping components are provided on the top of the mounting base 1, and a fixing component is provided inside the mounting base 1;
[0032] The fixing assembly includes a pull rod 15, the outer side of the pull rod 15 is slidably connected to the inside of the mounting base 1, the outer side of the pull rod 15 is rotatably connected to two connecting rods 14, the connecting rod 14 is rotatably connected to the end away from the pull rod 15 with a baffle 10, one side of the baffle 10 is fixedly connected to a plug-in block 13, the other side of the baffle 10 is fixedly connected to a spring 12, the inside of the baffle 10 is slidably connected to a limit rod 11, the outer side of the plug-in block 13 is slidably connected to a connecting base 8, and the outer side of the connecting base 8 is fixedly connected to a transformer body 7.
[0033] Specifically, the mounting base 1 is used to support the mounting structure of the entire current transformer and provide a stable base. The wire clamping assembly is used to fix and organize the cables passing through the transformer body 7 to ensure that the cables are neat and not easy to fall off. The fixing assembly is used to achieve rapid disassembly and stable fixation of the transformer body 7. The pull rod 15 is used to control the fixation and disassembly of the transformer body 7 by pulling or releasing. The outer side of the pull rod 15 is slidably connected to the inside of the mounting base 1 to guide the translational movement of the pull rod 15. The connecting rod 14 is used to pull the baffle 1 0, the connecting rod 14 is rotatably connected to one end of the pull rod 15 with a baffle 10 for realizing the in and out movement of the plug-in block 13, the plug-in block 13 is used to cooperate with the connecting seat 8 to realize the fixation of the transformer body 7, the spring 12 is used to provide a reset force after the pull rod 15 is released, so that the plug-in block 13 is automatically reset, the limit rod 11 is used to limit the moving range of the baffle 10, the connecting seat 8 is used to cooperate with the plug-in block 13 to realize the fixation and disassembly of the transformer body 7, and the transformer body 7 is used to carry the main functional parts of the current transformer.
[0034] Reference Figure 1 and Figure 2 The wire clamping assembly includes two support frames 2, an arc block 3 is fixedly connected between the two support frames 2, a plurality of female buckles 4 are fixedly connected to the outside of the support frame 2, an elastic band 5 is fixedly connected to the outside of the arc block 3, and a sub-buckle 6 is fixedly connected to the outside of the elastic band 5.
[0035] Specifically, the two support frames 2 are used to support and fix the arc block 3, the arc block 3 is used to accommodate and fix the cables passing through the transformer body 7, ensuring that the cables are neat and not easy to fall off, the female buckle 4 is used to cooperate with the sub-buckle 6 on the elastic band 5 to fix the elastic band 5, so as to adjust the tension of the elastic band 5, the elastic band 5 is used to surround and fix the cable, ensuring that the cable will not loosen, and the sub-buckle 6 is used to cooperate with the female buckle 4 to fix and adjust the elastic band 5, so as to adapt to cables of different numbers and diameters.
[0036] Reference Figure 1 - Figure 3 The end of the limiting rod 11 away from the baffle 10 is fixedly connected to the inside of the mounting seat 1, the end of the spring 12 away from the baffle 10 is fixedly connected to the inner wall of the mounting seat 1, the outer side of the connecting rod 14 is slidably connected to the inside of the mounting seat 1, and two slots 9 are opened inside the mounting seat 1. The outer side of the connecting seat 8 is slidably connected to the inside of the slot 9, the sub-buckle 6 is clamped with the female buckle 4, and the spring 12 is sleeved on the outside of the limiting rod 11.
[0037] Specifically, the limit rod 11 is used to limit the movement range of the baffle 10 to ensure that it moves within the preset position. The spring 12 is used to provide a reset force after the pull rod 15 is released, so that the baffle 10 and the plug-in block 13 are automatically reset to ensure the stable fixation of the transformer body 7. The connecting rod 14 is used to convert the translational movement of the pull rod 15 into rotational movement, thereby driving the movement of the baffle 10. The slot 9 is used to guide and limit the movement direction of the connecting seat 8 to ensure that the transformer body 7 runs smoothly during installation and disassembly. The connecting seat 8 is used to cooperate with the plug-in block 13 to realize rapid disassembly and stable fixation of the transformer body 7. The sub-buckle 6 is clamped with the female buckle 4 to fix the elastic band 5 to ensure that the cables are neat and not easy to fall off. The spring 12 is used to provide a reset force after the pull rod 15 is released, so that the baffle 10 and the plug-in block 13 are automatically reset to ensure the stable fixation of the transformer body 7.
[0038] Working principle: During use, when the transformer body 7 needs to be repaired and replaced after long-term use, the pull rod 15 is pulled outward to drive the connecting rod 14 to rotate, and then the baffle 10 is pulled to move outside the limit rod 11, and the spring 12 is compressed until the plug-in block 13 completely leaves the inside of the connecting seat 8. At this time, the transformer body 7 is taken out upward. When installation is required, the connecting seat 8 at the bottom of the new transformer body 7 is aligned with the slot 9 inside the mounting seat 1 and inserted. When the pull rod 15 is released, the baffle 10 and the plug-in block 13 are pushed to move under the action of the spring 12, so that the connecting rod 14 rotates and the pull rod 15 is pulled back to its original position. The cable that needs to pass through the transformer body 7 is placed on the arc block 3, and the elastic band 5 is pulled. According to the number of cables, the sub-buckle 6 on the elastic band 5 is buckled on one of the female buckles 4.
[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A mounting structure for a current transformer, comprising a mounting base (1), characterized in that: Two wire clamping assemblies are provided on the top of the mounting seat (1), and a fixing assembly is provided inside the mounting seat (1); The fixing assembly includes a pull rod (15), the outer side of the pull rod (15) is slidably connected to the inside of the mounting seat (1), the outer side of the pull rod (15) is rotatably connected to two connecting rods (14), the connecting rod (14) is rotatably connected to a baffle (10) away from one end of the pull rod (15), one side of the baffle (10) is fixedly connected to a plug block (13), the other side of the baffle (10) is fixedly connected to a spring (12), the inside of the baffle (10) is slidably connected to a limit rod (11), the outer side of the plug block (13) is slidably connected to a connecting seat (8), and the outer side of the connecting seat (8) is fixedly connected to a transformer body (7).
2. The installation structure of a current transformer according to claim 1, characterized in that: The wire clamping assembly comprises two support frames (2), an arc block (3) is fixedly connected between the two support frames (2), a plurality of female buckles (4) are fixedly connected to the outside of the support frames (2), an elastic band (5) is fixedly connected to the outside of the arc block (3), and a sub-buckle (6) is fixedly connected to the outside of the elastic band (5).
3. The installation structure of a current transformer according to claim 1, characterized in that: One end of the limiting rod (11) away from the baffle (10) is fixedly connected to the interior of the mounting seat (1).
4. The installation structure of a current transformer according to claim 1, characterized in that: One end of the spring (12) away from the baffle (10) is fixedly connected to the inner wall of the mounting seat (1).
5. The installation structure of a current transformer according to claim 1, characterized in that: The outer side of the connecting rod (14) is slidably connected to the inside of the mounting seat (1).
6. The installation structure of a current transformer according to claim 1, characterized in that: Two card slots (9) are provided inside the mounting seat (1), and the outer side of the connecting seat (8) is slidably connected to the inside of the card slots (9).
7. The installation structure of a current transformer according to claim 2, characterized in that: The sub-button (6) is snap-connected with the female button (4).
8. The installation structure of a current transformer according to claim 1, characterized in that: The spring (12) is sleeved on the outside of the limiting rod (11).