Composite electromagnetic wire

Abstract

The utility model discloses a composite electromagnetic wire, which belongs to the field of electromagnetic wires and comprises electromagnetic wires wound on a winding box, the electromagnetic wires are wound on the winding box in a multi-layer manner, the electromagnetic wires on the upper layer and the electromagnetic wires on the lower layer are arranged in a staggered manner, radiating fins are arranged between the electromagnetic wires on two adjacent layers, and the radiating fins are arranged between the electromagnetic wires on the upper layer and the electromagnetic wires on the lower layer. The two ends of the cooling fin are fixedly connected to the two ends of the winding box, the inner wall and the outer wall of the cooling fin are provided with heat conduction silicone grease plates distributed in an annular mode, and the annular walls of the heat conduction silicone grease plates are attached to the outer wall of the electromagnetic wire. And the temperature of the electromagnetic wire in the long-time power-on use process can be effectively reduced, so that the coil is prevented from being overheated to cause burnout.

Description

Technical Field

[0001] The utility model relates to the field of electromagnetic wires, in particular to a composite electromagnetic wire. Background Art

[0002] Electromagnetic wire, also known as winding wire, is mainly used to manufacture insulated wires for coils or windings in electrical products. It is an indispensable and important component of power and electronic equipment. The application field of electromagnetic wire is very wide, covering power and energy, home appliances and electronic products, automobiles and transportation, communications and information, aerospace and national defense and other fields.

[0003] However, electromagnetic wire will generate heat during long-term power-on use. Especially when the current is too large or the heat dissipation of the electromagnetic coil is poor, the heat will accumulate and cause the coil to overheat. Overheating will not only accelerate the aging of the electromagnetic coil, but may also burn the coil and even cause a fire or electric shock accident. Utility Model Content

[0004] The utility model aims to provide a composite electromagnetic wire, which effectively solves the problem that the coil of the existing electromagnetic wire is overheated during a long period of power-on, which easily leads to the burning of the electromagnetic wire or installation accidents.

[0005] The technical solution of the utility model is as follows:

[0006] A composite electromagnetic wire comprises an electromagnetic wire, wherein the electromagnetic wire is wound on a winding box, the electromagnetic wire is wound in multiple layers on the winding box, and the electromagnetic wires in the upper layer are arranged in a staggered manner with the electromagnetic wires in the lower layer, a heat sink is provided between two adjacent layers of the electromagnetic wires, two ends of the heat sink are fixedly connected to the two ends of the winding box, annularly distributed thermal conductive silicone grease plates are provided on the inner wall and the outer wall of the heat sink, and the annular wall of the thermal conductive silicone grease plate is in contact with the outer wall of the electromagnetic wire.

[0007] Furthermore, an insulating ring fixedly connected to the outer wall of the winding box is provided, and a plurality of spacer groups distributed at intervals are provided on the insulating ring, two of the spacers form an isolation plate group, and the innermost electromagnetic wire is located between an isolation plate group.

[0008] Furthermore, the isolation sheet has evenly distributed mesh holes, a heat dissipation duct is formed between two adjacent isolation sheets, and the highest point of the vertical cross-section of the electromagnetic wire is larger than the highest point of the vertical cross-section of the isolation sheet.

[0009] Furthermore, the thermal grease plate is fixedly connected to the heat sink, the fitting surface between the thermal grease plate and the electromagnetic wire is arc-shaped, and the amount of the thermal grease on the outer heat sink gradually decreases.

[0010] Furthermore, the vertical cross-section of the heat sink is ring-shaped, the thickness of the heat sink is smaller than the thickness of the insulating ring, and the heat sink is made of aluminum.

[0011] Furthermore, a temperature sensor is provided at one end of the winding box, and the temperature sensor can monitor the temperature of the electromagnetic wire when it is working.

[0012] The advantages of the utility model are:

[0013] 1. The utility model arranges a heat sink between two layers of electromagnetic wires, and a thermally conductive silicone grease plate is provided on the heat sink, which is attached to the electromagnetic wire. When the electromagnetic wire is powered on for a long time, the heat on the electromagnetic wire is transferred through the thermally conductive silicone grease plate to reduce thermal resistance and improve heat transfer efficiency. The heat is dissipated through the heat sink, thereby effectively reducing the working temperature of the electromagnetic wire, effectively protecting the electromagnetic wire from burning due to excessive temperature, and improving the safety of the electromagnetic wire.

[0014] 2. The utility model arranges the electromagnetic wires between adjacent layers in a staggered arrangement, which can effectively reduce the contact area and avoid poor heat dissipation caused by too dense coils. In addition, the staggered arrangement can improve the heat dissipation efficiency of the electromagnetic wires in the lower layer.

[0015] 3. The utility model can effectively avoid leakage of electromagnetic wire by arranging an insulating ring on the winding box. A rear heat dissipation duct is formed between two adjacent isolation sheets, which can further discharge the heat of the electromagnetic wire through the heat dissipation duct, thereby improving the heat dissipation effect of the electromagnetic wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a sectional view of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall external structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the electromagnetic wire and thermal conductive silicone grease plate and other components of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the insulating ring, isolation plate and other components of the utility model;

[0020] Figure 5 It is a schematic diagram of the upper and lower electromagnetic wire distribution structure of the utility model.

[0021] Figure numerals: 1. winding box; 2. electromagnetic wire; 3. heat sink; 4. thermal grease plate; 5. insulating ring; 6. isolation plate; 7. heat dissipation duct; 8. temperature sensor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] like Figures 1 to 5 As shown, the utility model provides a composite electromagnetic wire, which includes an electromagnetic wire 2, which is wound on a winding box 1, and the electromagnetic wire 2 is wound in multiple layers on the winding box 1, and the electromagnetic wire 2 in the upper layer is arranged in a staggered manner with the electromagnetic wire 2 in the lower layer. By arranging the upper and lower layers of the electromagnetic wires 2 in a staggered arrangement, the electromagnetic wire 2 in the lower layer can better dissipate heat.

[0024] A heat sink 3 is provided between two adjacent layers of the electromagnetic wires 2 , and the heat on the electromagnetic wires 2 can be dissipated through the heat sink 3 . Both ends of the heat sink 3 are fixedly connected to both ends of the winding box 1 .

[0025] The inner and outer walls of the heat sink 3 are provided with annularly distributed thermal grease plates 4, the annular wall of the thermal grease plates 4 is in contact with the outer wall of the electromagnetic wire 2, and the heat on the electromagnetic wire 2 is transferred through the thermal grease plates 4 to reduce thermal resistance and improve heat transfer efficiency.

[0026] An insulating ring 5 is fixedly connected on the outer wall of the winding box 1, and a plurality of spaced-apart isolation sheet groups are provided on the insulating ring 5. Two isolation sheets 6 form an isolation sheet group, and the innermost electromagnetic wire 2 is located between an isolation sheet group. The isolation sheets 6 are provided to effectively prevent leakage of the electromagnetic wire 2.

[0027] The isolation sheet 6 has evenly distributed mesh holes, and a heat dissipation duct 7 is formed between two adjacent isolation sheets 6. The highest point of the vertical cross-section ring of the electromagnetic wire 2 is larger than the highest point of the vertical cross-section ring of the isolation sheet 6. The heat dissipation duct 7 can assist electromagnetic heat dissipation, thereby improving the heat dissipation effect of the electromagnetic wire 2.

[0028] The thermal grease plate 4 is fixedly connected to the heat sink 3, and the fitting surface between the thermal grease plate 4 and the electromagnetic wire 2 is arc-shaped. The number of the thermal grease plates 4 on the outer heat sink 3 gradually decreases, and the number of the thermal grease plates 4 on the outer layer gradually decreases, increasing the contact area between the thermal grease plates 4 and the electromagnetic wire 2 closer to the inner layer, thereby improving the heat dissipation effect of the electromagnetic wire 2 in the inner layer.

[0029] The vertical cross-section of the heat sink 3 is annular, the thickness of the heat sink 3 is less than the thickness of the insulating ring 5, and the heat sink 3 is made of aluminum. By setting it to an aluminum material, better heat dissipation can be performed.

[0030] A temperature sensor 8 is provided at one end of the winding box 1. The temperature sensor 8 can monitor the temperature of the electromagnetic wire 2 during operation. The temperature sensor 8 can monitor the temperature of the electromagnetic wire 2 during operation in real time. When the temperature is too high, it can be detected, thereby providing a layer of protection for the electromagnetic wire 2.

[0031] Detailed usage and effects of the above embodiments:

[0032] In the initial state, the insulating ring 5 is designed in an annular manner and is sleeved on the winding box 1. There are spacers 6 distributed at intervals on the ring wall of the insulating ring 5. There are notches on the spacers 6. The electromagnetic wire 2 can be wound between the two spacers 6, and then the heat sink 3 is taken out. There are thermal grease plates 4 evenly distributed on the inner and outer walls of the heat sink 3. The two ends of the heat sink 3 are fixedly connected to the winding box 1, so that the thermal grease plates 4 on the inner wall of the heat sink 3 are attached to the electromagnetic wire 2 of the lower layer, and the electromagnetic wires 2 are connected in series in sequence, so that the upper electromagnetic wire 2 is located on the upper thermal grease plate 4, and the assembly of the electromagnetic wires 2 is completed layer by layer. The upper electromagnetic wire 2 and the lower electromagnetic wire 2 are arranged in a staggered manner, so that when the electromagnetic wire 2 is working, the heat is transferred to the thermal grease plate 4, and then the heat is dissipated through the heat sink 3 to prevent the electromagnetic wire 2 from being overheated and damaged.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. A composite electromagnetic wire, characterized in that: The invention comprises an electromagnetic wire (2), wherein the electromagnetic wire (2) is wound on a winding box (1), wherein the electromagnetic wire (2) is wound on the winding box (1) in multiple layers, and the electromagnetic wire (2) on the upper layer is arranged in a staggered manner with the electromagnetic wire (2) on the lower layer, and a heat sink (3) is provided between two adjacent layers of the electromagnetic wire (2), and the two ends of the heat sink (3) are fixedly connected to the two ends of the winding box (1), and the inner wall and the outer wall of the heat sink (3) are provided with heat-conducting silicone grease plates (4) distributed in an annular shape, and the annular wall of the heat-conducting silicone grease plate (4) is mutually fitted with the outer wall of the electromagnetic wire (2).

2. The composite electromagnetic wire according to claim 1, characterized in that: An insulating ring (5) is fixedly connected to the outer wall of the winding box (1), and a plurality of spacer groups are arranged at intervals on the insulating ring (5). Two spacer plates (6) form a spacer group, and the innermost electromagnetic wire (2) is located between a spacer group.

3. The composite electromagnetic wire according to claim 2, characterized in that: The isolation sheet (6) has evenly distributed mesh holes, a heat dissipation duct (7) is formed between two adjacent isolation sheets (6), and the highest point of the vertical cross-section ring of the electromagnetic wire (2) is greater than the highest point of the vertical cross-section ring of the isolation sheet (6).

4. The composite electromagnetic wire according to claim 1, characterized in that: The thermal grease plate (4) is fixedly connected to the heat sink (3); the contact surface between the thermal grease plate (4) and the electromagnetic wire (2) is arc-shaped, and the amount of the thermal grease on the heat sink (3) decreases gradually as it approaches the outer heat sink (3).

5. The composite electromagnetic wire according to claim 2, characterized in that: The vertical cross-section of the heat sink (3) is annular, the thickness of the heat sink (3) is smaller than the thickness of the insulating ring (5), and the heat sink (3) is made of an aluminum heat sink (3).

6. The composite electromagnetic wire according to claim 1, characterized in that: A temperature sensor (8) is provided at one end of the winding box (1), and the temperature sensor (8) can monitor the temperature of the electromagnetic wire (2) when it is working.

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