Magnetic conductive plate

By using a layered composite structure and a magnetic plate design with circulating coolant, the problem of temperature rise caused by eddy current loss is solved, achieving efficient heat dissipation and adjustable magnetic field distribution, thus improving the stability and adaptability of the equipment.

CN224232431UActive Publication Date: 2026-05-12SHANGHAI GUANHUA COOKWARE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI GUANHUA COOKWARE CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Eddy current losses generated during the operation of the magnetic plate cause temperature rise, affecting the stability of the equipment. Furthermore, traditional magnetic plates are integral structures, which cannot adjust the thickness or magnetic field distribution according to the application scenario, resulting in poor adaptability.

Method used

It adopts a layered composite structure design, including a magnetic conductive layer, a heat dissipation layer and an insulating layer. The magnetic conductive layer is made of nanocrystalline soft magnetic alloy, the heat dissipation layer is a honeycomb metal substrate with a built-in flow channel cooling structure, which is fixed by interference fit of blocks, slots and pins, combined with coolant circulation cooling to reduce temperature, and equipped with a temperature sensor for real-time monitoring.

Benefits of technology

It effectively suppresses eddy current losses, improves heat transfer efficiency, ensures connection reliability and adaptability, and meets the needs of various working conditions.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224232431U_ABST
    Figure CN224232431U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of electromagnetic equipment, and discloses a magnetic conductive plate, which comprises a magnetic conductive layer, a heat dissipation layer and an insulating layer arranged between the magnetic conductive layer and the heat dissipation layer, the magnetic conductive layer is provided with a clamping groove, the side wall of the clamping groove is fixedly provided with a bolt, the outer surface of the heat dissipation layer is fixedly provided with a boundary ring body, and the boundary ring body is fixedly connected with the heat dissipation layer. The inner side of the boundary ring body is fixedly provided with an embedded block, and the embedded block can be embedded into the clamping groove and then is matched with a plug pin to achieve interference fit, so that the heat dissipation layer and the magnetic conduction layer are fixedly connected. According to the magnetic conductive plate, a magnetic conductive plate body structure is formed through the layered composite structure design of the magnetic conductive layer, the heat dissipation layer and the insulating layer, the magnetic conductive layer is made of a high-magnetic-conductivity material and is responsible for guiding and concentrating a magnetic field, the insulating layer is embedded into a high-insulating-performance material and inhibits eddy-current loss, and the heat dissipation layer is designed to be a honeycomb-shaped metal substrate and is internally provided with a flow channel cooling structure. And cooling liquid is matched for circulating cooling, so that the heat conduction efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of electromagnetic equipment technology, specifically to a magnetic conductive plate. Background Technology

[0002] A magnetic guide plate is a plate-shaped functional component made of magnetically conductive material. Its core function is to guide, concentrate, or optimize the distribution of magnetic fields, thereby improving the performance and efficiency of electromagnetic equipment.

[0003] The eddy current losses generated during the operation of the magnetic plate can easily lead to temperature rise, affecting the stability of the equipment. In addition, the traditional magnetic plate is an integral structure, which cannot adjust the thickness or magnetic field distribution according to the application scenario, resulting in poor adaptability. Therefore, we propose a magnetic plate to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides a magnetic conductive plate, which solves the problems mentioned in the background.

[0005] This utility model provides the following technical solution: a magnetic guide plate, comprising: a magnetic guide layer, a heat dissipation layer, and an insulating layer disposed between the magnetic guide layer and the heat dissipation layer. The magnetic guide layer has a slot, and a pin is fixedly installed on the side wall of the slot. A boundary ring is fixedly installed on the outer surface of the heat dissipation layer, and an insert is fixedly installed on the inner side of the boundary ring. The insert can be embedded into the slot, and with the pin, an interference fit is achieved, fixing the heat dissipation layer and the magnetic guide layer together. The heat dissipation layer has a flow channel for circulating cooling with coolant, and a threaded sleeve for connecting a coolant injection pipe is embedded inside the heat dissipation layer. The threaded sleeve is threadedly connected to the coolant injection pipe. An interlocking ring is fixedly installed on the outer surface of the threaded sleeve to improve the stability of the connection between it and the heat dissipation layer. A positioning post is fixedly installed on the open end face of the threaded sleeve, and a rubber sealing ring is inserted into the threaded sleeve through the positioning post. A temperature sensor is disposed on the upper surface of the heat dissipation layer.

[0006] Preferably, there are two threaded sleeves, which are respectively disposed at both ends of the flow channel.

[0007] Preferably, a stop block is fixedly installed on the end face of the positioning post, and a receiving cavity for accommodating the stop block is provided on the rubber sealing ring.

[0008] Preferably, the receiving cavity is an open design, and there are four receiving cavities in total. The number of the stop blocks and positioning posts is the same as the number of receiving cavities.

[0009] Preferably, the inner diameter of the rubber sealing ring is larger than the diameter of the threaded hole of the threaded sleeve.

[0010] Preferably, both the slot and the pin are located on the side of the magnetic layer.

[0011] Preferably, the boundary ring can also be inserted into the magnetic conductive layer.

[0012] Preferably, the magnetic conductive layer is made of nanocrystalline soft magnetic alloy, the insulating layer is made of epoxy resin coating, and the heat dissipation layer is designed as a honeycomb metal substrate structure.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This magnetic plate has a layered composite structure consisting of a magnetic conductive layer, a heat dissipation layer, and an insulating layer. The magnetic conductive layer is made of a high-permeability material and is responsible for guiding and concentrating the magnetic field. The insulating layer is made of a high-insulation material to suppress eddy current losses. The heat dissipation layer is designed with a honeycomb metal substrate and an internal flow channel cooling structure. It works in conjunction with the circulating coolant to cool down the temperature and improve the heat transfer efficiency.

[0015] The magnetic plate connects the magnetic layer and the heat dissipation layer using blocks, slots, and pins. The pins and the blocks of the heat dissipation layer are interference-fitted and fixed by mechanical pressure. The overall structure is simple, the connection is reliable, and the connection strength between the magnetic layer and the heat dissipation layer is guaranteed. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is an exploded view of the overall structure of this utility model;

[0018] Figure 3 This is a cross-sectional schematic diagram of part of the structure of this utility model;

[0019] Figure 4 This is a cross-sectional schematic diagram of the heat dissipation layer structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the threaded sleeve structure of this utility model.

[0021] In the diagram: 1. Magnetic layer; 11. Slot; 12. Pin; 2. Heat dissipation layer; 21. Temperature sensor; 22. Threaded sleeve; 23. Boundary ring; 24. Insert; 25. Flow channel; 26. Interlocking ring; 27. Rubber sealing ring; 28. Positioning post; 29. ​​Stop; 210. Receiving cavity; 3. Insulation layer. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 A magnetic conductive plate includes: a magnetic conductive layer 1, made of nanocrystalline soft magnetic alloy, responsible for guiding and concentrating the magnetic field; a heat dissipation layer 2, designed as a honeycomb metal substrate structure; and an insulating layer 3 disposed between the magnetic conductive layer 1 and the heat dissipation layer 2, the insulating layer 3 being made of epoxy resin coating to suppress eddy current losses; a slot 11 is formed on the magnetic conductive layer 1, and a pin 12 is fixedly installed on the side wall of the slot 11; a boundary ring 23 is fixedly installed on the outer surface of the heat dissipation layer 2, and the inner surface of the boundary ring 23... An insert 24 is fixedly installed on the side. The insert 24 can be embedded in the slot 11 and, together with the pin 12, achieves an interference fit to fix the heat dissipation layer 2 and the magnetic conductive layer 1. The slot 11 and the pin 12 are both located on the side of the magnetic conductive layer 1. The boundary ring 23 can also be inserted into the magnetic conductive layer 1. The boundary ring 23 is used to block the gap at the connection between the heat dissipation layer 2 and the magnetic conductive layer 1, ensuring the tightness of the splicing of the heat dissipation layer 2 and the magnetic conductive layer 1. The layered composite structure takes into account both high magnetic permeability and low loss, and the adjustable design can adapt to various working conditions.

[0024] The heat dissipation layer 2 has internal channels 25 for cooling fluid circulation. Threaded sleeves 22 are embedded within the heat dissipation layer 2 to connect to the coolant injection pipe. Two threaded sleeves 22 are provided, located at opposite ends of the channels 25. An interlocking ring 26 is fixedly installed on the outer surface of each threaded sleeve 22 to enhance the stability of the connection between the sleeve and the heat dissipation layer 2. A positioning post 28 is fixedly installed on the open end face of each threaded sleeve 22. The threaded sleeve 22 is used for quick connection to the coolant injection pipe, and a rubber sealing ring 27 is inserted into the threaded sleeve 22 via the positioning post 28. The inner diameter of the rubber sealing ring 27 is larger than the threaded hole of the threaded sleeve 22. The end face of the positioning post 28 is fixedly installed... The device is equipped with a stop block 29. The rubber sealing ring 27 has a receiving cavity 210 for accommodating the stop block 29. The rubber sealing ring 27 is also located on the contact surface between the threaded sleeve 22 and the coolant injection pipe. When the coolant injection pipe is tightened on the threaded sleeve 22, the rubber sealing ring 27 is squeezed, filling the gap between the threaded sleeve 22 and the coolant injection pipe, ensuring the sealing of the connection. The receiving cavity 210 is an open design, and there are four receiving cavities 210 in total. The number of stop blocks 29 and positioning posts 28 is the same as the number of receiving cavities 210. A temperature sensor 21 is provided on the upper surface of the heat dissipation layer 2. The embedded temperature sensor 21 can be used to monitor the working status of the entire magnetic plate in real time, so as to remind the user to add coolant for circulation cooling.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A magnetic conductive plate, characterized in that, include: A magnetic conductive layer (1), a heat dissipation layer (2), and an insulating layer (3) disposed between the magnetic conductive layer (1) and the heat dissipation layer (2). A slot (11) is provided on the magnetic conductive layer (1), and a pin (12) is fixedly installed on the side wall of the slot (11). A boundary ring (23) is fixedly installed on the outer surface of the heat dissipation layer (2), and an insert (24) is fixedly installed on the inner side of the boundary ring (23). The insert (24) can be embedded in the slot (11) and, together with the pin (12), achieves an interference fit, thus fixing the heat dissipation layer (2) and the magnetic conductive layer (1) together. The heat dissipation layer (2) has a flow channel (25) for cooling the coolant circulation, and a threaded sleeve (22) for connecting the coolant injection pipe is embedded inside the heat dissipation layer (2). The threaded sleeve (22) is threadedly connected to the coolant injection pipe. An interlocking ring (26) for improving the stability of the connection between the threaded sleeve (22) and the heat dissipation layer (2) is fixedly installed on the outer surface of the threaded sleeve (22). A positioning post (28) is fixedly installed on the open end face of the threaded sleeve (22), and a rubber sealing ring (27) is inserted into the threaded sleeve (22) through the positioning post (28). A temperature sensor (21) is provided on the upper surface of the heat dissipation layer (2).

2. A magnetic conductive plate according to claim 1, characterized in that, There are two threaded sleeves (22), which are respectively located at both ends of the flow channel (25).

3. A magnetic conductive plate according to claim 1, characterized in that, A stop (29) is fixedly installed on the end face of the positioning post (28), and a receiving cavity (210) for accommodating the stop (29) is provided on the rubber sealing ring (27).

4. A magnetic conductive plate according to claim 3, characterized in that, The receiving cavity (210) is designed to be open, and there are four receiving cavities (210). The number of the stop block (29) and the positioning post (28) is the same as the number of receiving cavities (210).

5. A magnetic conductive plate according to claim 1, characterized in that, The inner hole of the rubber sealing ring (27) is larger than the thread hole of the threaded sleeve (22).

6. A magnetic conductive plate according to claim 1, characterized in that, The slot (11) and the pin (12) are both located on the side of the magnetic layer (1).

7. A magnetic conductive plate according to claim 1, characterized in that, The boundary ring (23) can also be plugged into the magnetic layer (1).

8. A magnetic conductive plate according to claim 1, characterized in that, The magnetic conductive layer (1) is made of nanocrystalline soft magnetic alloy, the insulating layer (3) is made of epoxy resin coating, and the heat dissipation layer (2) is designed as a honeycomb metal substrate structure.