A multi-electrode inductor that facilitates electrode connection
By using stranded winding and electrode clip design, the problem of low volume utilization caused by gaps between multi-electrode inductor lines is solved, realizing the miniaturization and efficient space utilization of multi-electrode inductors, and improving production efficiency and electrical performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- COILTEC TECH (SUZHOU) CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-06-30
AI Technical Summary
Existing multi-electrode inductors have low overall volume utilization due to gaps between lines, which limits their application in miniaturization and efficient space utilization. They are unable to meet the requirements of refined design and compact layout of electronic devices, thus affecting their popularity in high-end applications.
The design employs a stranded wire design, using insulated square wires twisted in parallel to form a stranded wire bundle. Electrode clips and fixing slots enable quick installation and secure fixation. Combined with an epoxy resin potting layer and laser ablation to create an exposed electrical contact area, the assembly process is simplified and the stability of the electrical connection is improved.
The number of electrodes was increased without changing the volume, which met the requirements of miniaturization and precision, improved production efficiency and electrical performance, reduced maintenance costs, and ensured the stability and reliability of electrical connections.
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Figure CN224437372U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of multi-electrode inductor technology, and specifically to a multi-electrode inductor that facilitates electrode connection. Background Technology
[0002] With the development of technology and the progress of society, various electronic devices are moving towards miniaturization and higher efficiency, which places higher demands on inductor components. To meet these needs, multi-electrode inductors have emerged in existing technologies.
[0003] Existing multi-electrode inductors consist of multiple electrodes and corresponding coil windings. After the circular wires are twisted together, gaps (triangular / trapezoidal) exist between the wires, resulting in low overall volume utilization and limiting the number of conductors (electrodes) that can be accommodated within a single volume. This leads to a relatively large overall size, a characteristic that makes them particularly problematic in applications where modern electronic devices increasingly demand refined design and compact layouts. Whether in portable devices, embedded systems, or other fields requiring efficient space utilization, these large inductors struggle to meet the growing demands for refinement and efficient space utilization, limiting their widespread adoption and promotion in high-end applications. Therefore, we propose a multi-electrode inductor that facilitates electrode connection. Utility Model Content
[0004] The purpose of this invention is to address the issue that existing multi-electrode inductors, which consist of multiple electrodes and corresponding coil windings, result in a relatively large overall size. This characteristic makes them particularly problematic in applications where electronic devices increasingly demand refined design and compact layouts. Whether in portable devices, embedded systems, or other fields requiring efficient space utilization, such large inductors struggle to meet the growing demands for refinement and efficient space utilization, limiting their widespread adoption and promotion in high-end applications. This invention provides a multi-electrode inductor that facilitates electrode connection.
[0005] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0006] A multi-electrode inductor that facilitates electrode connection includes an inductor core. The outer wall of the inductor core is wound with stranded wire, and the stranded wire is a stranded bundle formed by twisting several insulated square wires. End electrode platforms are provided at both ends of the inductor core, and multiple electrode clips are provided on the end electrode platforms. The ends of the several insulated square wires in the stranded wire are respectively connected to the multiple electrode clips on both sides.
[0007] Furthermore, the number of insulated square wires twisted together in the stranded winding includes, but is not limited to, two, four, and six wires.
[0008] Furthermore, the upper end of the end electrode platform on both sides is provided with multiple fixing slots corresponding to the electrode clips, and the electrode clips are inserted and fixed in the fixing slots.
[0009] Furthermore, a potting groove is provided in the middle of the inner wall on both sides of the fixing slot, and the potting groove is filled with an epoxy resin potting layer.
[0010] Furthermore, multiple clamping protrusions are fixedly connected to both sides of the electrode clamping plate at the positions corresponding to the glue-filling groove, and multiple reinforcing protrusions are fixedly connected to the inner wall of the glue-filling groove on the side opposite to the clamping protrusions, and the reinforcing protrusions and clamping protrusions are staggered.
[0011] Furthermore, the electrode clip is a U-shaped copper plate with an open bottom, and the insulated square wire in the stranded winding is clamped and fixed to the U-shaped inner wall of the electrode clip.
[0012] Furthermore, the insulated square wires at both ends of the stranded winding have exposed contact areas formed by laser ablation at the positions corresponding to the electrode clips.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. This utility model utilizes a stranded winding system. When insulated square wires are stranded in parallel, adjacent conductor surfaces can fit together more tightly, significantly reducing or even eliminating gaps between wires. This allows for the addition of multiple electrodes without changing the overall volume, meeting market demands for miniaturization and precision. Furthermore, each independent insulated square wire, after stranding and winding, forms an independent inductor winding. Multiple independent inductors are realized within a single physical element, which is highly advantageous for circuits requiring multiple independent inductors.
[0015] 2. This utility model achieves rapid installation and stable fixation of the electrode clips through the combination of a fixed slot and the insertion of the clips, simplifying the assembly process and improving production efficiency. At the same time, this insertion method facilitates subsequent maintenance and replacement, reducing maintenance costs.
[0016] 3. This invention, through the design of an exposed contact area, fully utilizes the structural characteristics of the insulated square wire, allowing the electrode clips to directly connect to the stranded insulated square wire without additional welding or wiring steps, simplifying the assembly process and improving production efficiency. Simultaneously, the exposed contact area formed by laser ablation possesses excellent conductivity and mechanical strength, ensuring the stability and reliability of the electrical connection. Furthermore, the exposed contact area also helps reduce contact resistance, improving the electrical performance of the inductor. Attached Figure Description
[0017] Figure 1 This is a perspective view of the present invention;
[0018] Figure 2This is an internal structural diagram of the insertion slot in this utility model;
[0019] Figure 3 This is a side view of the electrode clip structure in this utility model;
[0020] Figure 4 This is a structural diagram of the end of the insulated square wire in this utility model.
[0021] Reference numerals in the attached diagram: 1. Inductor core; 2. Stranded winding; 3. End electrode platform; 4. Fixing slot; 5. Electrode clip; 6. Potting groove; 7. Epoxy resin potting layer; 8. Clip protrusion; 9. Reinforcing protrusion; 10. Exposed contact area. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.
[0023] Please see Figures 1-4 This utility model provides a multi-electrode inductor that facilitates electrode connection, including an inductor core 1, with a stranded wire 2 wound around the outer wall of the inductor core 1. The stranded wire 2 is a stranded bundle formed by twisting several insulated square wires. End electrode platforms 3 are provided at both ends of the inductor core 1, and multiple electrode clips 5 are provided on the end electrode platforms 3. The ends of several insulated square wires in the stranded wire 2 are respectively connected to the multiple electrode clips 5 on both sides.
[0024] The working principle and usage of this utility model are as follows: By using the stranded winding 2, which consists of insulated square wires stranded in parallel, adjacent conductor surfaces can fit more tightly together, significantly reducing or even eliminating gaps between wires. This allows for the addition of multiple electrodes without changing the overall volume, meeting the market demands for miniaturization and precision. Simultaneously, each independent insulated square wire, after stranding and winding, forms an independent inductor winding. Multiple independent inductors are realized within a single physical element, which is highly advantageous for circuits requiring multiple independent inductors.
[0025] In this embodiment, preferably, the number of insulated square wires twisted in the twisted winding 2 includes, but is not limited to, two, four, and six wires; by setting various numbers of insulated square wires, different circuit requirements can be flexibly adapted, providing diverse inductor configuration options and increasing the versatility and practicality of the product.
[0026] In this embodiment, preferably, the upper ends of the electrode platforms 3 on both sides are provided with multiple fixing slots 4 corresponding to the electrode clips 5, and the electrode clips 5 are inserted and fixed in the fixing slots 4. Through the insertion and engagement of the fixing slots 4 and the electrode clips 5, the electrode clips 5 are quickly installed and securely fixed, simplifying the assembly process and improving production efficiency. At the same time, this insertion method facilitates subsequent maintenance and replacement, reducing maintenance costs.
[0027] In this embodiment, preferably, a potting groove 6 is formed in the middle of the inner walls on both sides of the fixing slot 4, and the potting groove 6 is filled with an epoxy resin potting layer 7. The potting groove 6 and the epoxy resin potting layer 7 effectively enhance the connection strength and stability between the electrode clip 5 and the fixing slot 4, preventing the electrode clip 5 from loosening or falling off during use, further improving the reliability and durability of the product. At the same time, the epoxy resin potting layer 7 also has good insulation and moisture-proof properties, helping to protect the internal circuit structure from interference and damage from the external environment, extending the product's service life.
[0028] In this embodiment, preferably, multiple clamping protrusions 8 are fixedly connected to both sides of the electrode clamping piece 5 at the positions corresponding to the glue-filling groove 6, and multiple reinforcing protrusions 9 are fixedly connected to the inner wall of the glue-filling groove 6 on the side opposite to the clamping protrusions 8, and the reinforcing protrusions 9 and the clamping protrusions 8 are staggered; through the staggered cooperation of the clamping protrusions 8 and the reinforcing protrusions 9, the structural strength after glue filling is further increased, ensuring the firmness of the electrode clamping piece 5 after glue filling.
[0029] In this embodiment, preferably, the electrode clip 5 is a U-shaped copper plate with an open bottom, and the insulated square wire inside the stranded winding 2 is clamped and fixed to the inner wall of the U-shape of the electrode clip 5. The U-shaped copper plate structure of the electrode clip 5 allows for convenient clamping and fixing of the insulated square wire inside the stranded winding 2, ensuring the stability and reliability of the electrical connection. Simultaneously, the U-shaped design allows the electrode clip 5 to fit tightly against the stranded winding 2, reducing contact gaps and improving contact conductivity, further meeting the market demands for miniaturization and precision. Furthermore, the U-shaped copper plate has good conductivity and mechanical strength, ensuring the electrical performance and durability of the inductor.
[0030] In this embodiment, preferably, exposed contact areas 10 are laser-ablated at both ends of the insulated square wire of the stranded winding 2, corresponding to the positions within the electrode clips 5. By providing these exposed contact areas 10, the structural characteristics of the insulated square wire are fully utilized, allowing the electrode clips 5 to directly connect to the insulated square wire of the stranded winding 2 without additional welding or wiring steps, simplifying the assembly process and improving production efficiency. Simultaneously, the exposed contact areas 10 formed by laser ablation possess excellent conductivity and mechanical strength, ensuring the stability and reliability of the electrical connection. Furthermore, the exposed contact areas 10 also help reduce contact resistance and improve the electrical performance of the inductor.
[0031] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A multi-electrode inductor facilitating electrode connection, characterized by: The inductor core (1) has a stranded wire (2) wound around its outer wall. The stranded wire (2) is a stranded bundle formed by stranding several insulated square wires. The inductor core (1) has end electrode platforms (3) at both ends, and multiple electrode clips (5) are provided on the end electrode platforms (3). The ends of several insulated square wires in the stranded wire (2) are respectively connected to the multiple electrode clips (5) on both sides.
2. A multi-electrode inductor with easy electrode connection according to claim 1, characterized in that: The number of insulated square wires twisted in the stranded winding (2) includes, but is not limited to, two, four, and six.
3. A multi-electrode inductor with easy electrode connection according to claim 1, characterized in that: The upper end of the end electrode platform (3) on both sides is provided with multiple fixing slots (4) corresponding to the electrode clip (5), and the electrode clip (5) is inserted and fixed in the fixing slot (4).
4. A multi-electrode inductor for easy electrode connection according to claim 3, characterized in that: The fixing slot (4) has a glue-filling groove (6) in the middle of the inner wall on both sides, and the glue-filling groove (6) is filled with an epoxy resin potting layer (7).
5. A multi-electrode inductor for easy electrode connection according to claim 4, characterized in that: Multiple clamping protrusions (8) are fixedly connected to the two sides of the electrode clamping plate (5) corresponding to the position of the glue filling groove (6). Multiple reinforcing protrusions (9) are fixedly connected to the inner wall of the glue filling groove (6) on the side opposite to the clamping protrusions (8), and the reinforcing protrusions (9) and the clamping protrusions (8) are staggered.
6. A multi-electrode inductor for easy electrode connection according to claim 1, characterized in that: The electrode clip (5) is a U-shaped copper plate with an open bottom, and the insulated square wire in the twisted winding (2) is clamped and fixed to the U-shaped inner wall of the electrode clip (5).
7. A multi-electrode inductor for easy electrode connection according to claim 6, characterized in that: The two ends of the insulated square wire of the stranded winding (2) have exposed contact areas (10) by laser ablation at the positions corresponding to the electrode clips (5).