Eddy current heating device

Abstract

The utility model provides an eddy current heating device, which comprises a guide bracket, an eddy current heating device and an eddy current heating device, the vortex heating fluid director is arranged on the guide bracket and can move back and forth along the guide of the guide rod; the vortex heating fluid director comprises a heating ring, a hot air connector formed in the heating ring and an inner fluid guiding ring arranged on the inner side of the heating ring, and the inner fluid guiding ring comprises a plurality of fluid guiding through holes evenly distributed along the circle center of the inner fluid guiding ring and spiral blades or blades with specific angles arranged in the fluid guiding through holes. And air flow guided out by the inner flow guide ring forms vortex. By means of the structure, hot air flow enters the heating ring to form vortex under the guiding effect of the spiral blade structure or the blade structure with the specific angle of the inner flow guide ring, when the airflow forms the vortex around the thermal shrinkage component, the airflow can make more uniform contact with the surface of the thermal shrinkage component, and therefore the uniform heating effect is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of eddy current heating devices, and in particular to an eddy current heating device. Background Technology

[0002] Heat-shrinkable materials typically possess excellent electrical insulation properties and are often manufactured into heat-shrinkable terminals, sleeves, and other components for insulation protection of power equipment. Utilizing the principle of heat shrinkage, they are installed on insulators and other equipment. Simply heating them with a heating tool allows them to shrink tightly and adhere to the equipment surface, forming a good sealing structure that prevents rainwater and moisture from intruding. This avoids the insulation components from losing their insulation performance due to moisture, making them particularly suitable for harsh environments such as humid and rainy conditions. They can effectively isolate live parts, prevent electrical accidents such as leakage and short circuits, and ensure the safety of power equipment and personnel.

[0003] Currently, hot air guns are commonly used to heat shrinkable parts. However, the installation effect is greatly affected by human factors. Different operators have different techniques and skill levels, resulting in variations in the distance between the hot air gun and the part, the moving speed, and the dwell time. These factors all affect the heat shrinking effect, making it difficult to guarantee consistent installation quality each time. Furthermore, the hot air gun's outlet is relatively small, limiting the heating range. For larger or more complex-shaped parts, operators need to constantly move the gun to heat different areas individually, which is time-consuming and labor-intensive, leading to low installation efficiency. The hot air blown from the gun is also not evenly distributed in temperature, with higher temperatures in the center and lower temperatures at the edges. This makes it difficult to ensure uniform heating of all parts of the part, easily leading to localized overheating or underheating, affecting the heat shrinking effect. When the heat shrinkable part is not tightly bonded to the equipment surface, with air bubbles or wrinkles present, partial discharge may occur. Over time, this can gradually damage the insulation performance of the heat shrink skirt, increasing the risk of insulation failure in the equipment. Therefore, there is an urgent need for a heating device that can ensure uniform heating of heat-shrinkable components while maintaining high installation efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, this utility model provides an eddy current heating device to solve the problems mentioned in the background art.

[0005] This utility model provides an eddy current heating device, comprising:

[0006] Guide bracket, including guide rod;

[0007] A vortex heating guide is mounted on the guide bracket and can move back and forth along the guide rod. The vortex heating guide includes a heating ring, a hot air inlet mounted on the heating ring, and an inner guide ring mounted inside the heating ring. The inner guide ring includes multiple guide holes evenly distributed along its center and spiral or angled blades mounted inside the guide holes. The airflow directed by the inner guide ring forms a vortex.

[0008] In one embodiment, the upper end of the guide bracket is provided with an upper fixing plate, a pull rod screw, and a pull rod handle. The pull rod screw passes through the cable terminal, and rotating the pull rod handle fixes one end of the cable.

[0009] In one embodiment, the lower end of the guide bracket is provided with a bracket base, and a cable clamp is provided on the bracket base.

[0010] In one embodiment, the guide rods are arranged in two parallel positions.

[0011] In one embodiment, the guide rod is provided with a bearing bushing and a flow guide mounting seat, the flow guide mounting seat is used for the installation of the eddy current heating flow guide, and the bearing bushing is sleeved on the guide rod.

[0012] In one embodiment, a ceramic ring is provided inside the bearing bushing.

[0013] In one embodiment, the bracket base is provided with a through hole for a cable to pass through.

[0014] In one embodiment, a hot air gun is connected to the hot air interface.

[0015] Beneficial effects

[0016] This invention provides an eddy current heating device, including a guide bracket and an eddy current heating guide. The eddy current heating guide, through the arrangement of a heating ring and an inner guide ring, allows hot airflow to enter the heating ring. Guided by the spiral or angled blades of the inner guide ring, eddy currents are formed. When the airflow forms eddies around the heat-shrinkable component, it can more evenly contact the surface of the component, thus achieving uniform heating. The eddy current heating guide moves under the action of the guide bracket, ensuring uniform heating of all parts of the heat-shrinkable tubing on the cable, improving the uniformity and comprehensiveness of the heating process. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the eddy current heating guide of this utility model;

[0019] Figure 3 This is a schematic diagram of the guide bracket structure;

[0020] Figure 4 This is a schematic diagram of the inner guide ring structure;

[0021] The components include: 1. Eddy current heating guide; 2. Guide bracket; 3. Heat shrink tubing; 4. Cable; 5. Cable terminal; 6. Heating ring; 7. Inner guide ring; 8. Cable clamp; 9. Guide mount; 10. Bearing sleeve; 11. Ceramic ring; 12. Upper fixing plate; 13. Pull rod screw; 14. Rotary handle; 15. Guide rod; 16. Bracket base; 17. Blade. Detailed Implementation

[0022] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0023] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Reference Figures 1 to 4 This is a specific embodiment of the present utility model.

[0027] This utility model provides a vortex heating device, including: a guide bracket 2 and a vortex heating guide 1. The guide bracket 2 includes a guide rod 15. The vortex heating guide 1 is disposed on the guide bracket 2 and can move back and forth along the guide rod 15. The vortex heating guide 1 moves flexibly along the guide rod 15 to ensure that all parts of the heat shrink tubing are heated evenly. The vortex heating guide 1 includes a heating ring 6, a hot air inlet disposed on the heating ring 6, and an inner guide ring 7 disposed inside the heating ring 6. The inner guide ring 7 includes a plurality of guide holes evenly distributed along its center and spiral or angled blades 17 disposed within the guide holes. The airflow directed by the inner guide ring 7 forms a vortex. The blade 17 is offset at a certain angle from the centerline of the inner guide ring 7. The hot airflow passing through the guide hole forms a vortex under the guidance of the blade 17, which can make all parts of the heat shrink component evenly heated, effectively avoiding local overheating or insufficient heating, greatly improving the shrinkage quality of the heat shrink component, making the heat shrink component fit more tightly with the surface of the equipment, reducing the generation of bubbles and wrinkles, reducing the probability of partial discharge, thereby improving the insulation performance and operational safety of the power equipment.

[0028] In one embodiment, reference Figure 2 The upper end of the guide bracket 2 is provided with an upper fixing plate 12, a pull rod screw 13 and a pull rod handle. The pull rod screw 13 passes through the terminal of the cable 4. Rotating the pull rod handle fixes one end of the cable 4. The pull rod handle and pull rod screw 13 are convenient and efficient to operate, and fix one end of the cable 4 on the guide bracket 2.

[0029] In one embodiment, the lower end of the guide bracket 2 is provided with a bracket base 16, and a cable 4 clamp is provided on the bracket base 16, which quickly fixes the other end of the cable 4.

[0030] In one embodiment, the guide rods 15 are arranged in two parallel positions.

[0031] In one embodiment, the guide rod 15 is respectively provided with a bearing sleeve 10 and a flow guide mounting seat 9. The flow guide mounting seat 9 is used for installing the eddy current heating flow guide 1, and the bearing sleeve 10 is sleeved on the guide rod 15. The flow guide mounting seat 9 can slide easily up and down on the guide rod 15. Unlike using a hot air gun for heating alone, the operator does not need to frequently move the hot air gun to find a suitable heating position. For larger or more complex heat-shrinkable parts, the heating and installation work can be completed more quickly, saving a lot of time and effort.

[0032] In one embodiment, a ceramic ring 11 is provided inside the bearing sleeve 10.

[0033] In one embodiment, the bracket base 16 is provided with a through hole for the cable 4 to pass through.

[0034] In one embodiment, the hot air interface is connected to a hot air gun.

[0035] In use, cable 4 is passed through the cable 4 clamp on the bracket base 16, and the heat shrink tubing 3 to be installed is placed on cable 4. Both are then passed through the eddy current heating guide 1. The pull rod screw 13 is passed through the cable 4 terminal, and then the handle is tightened to straighten and fix cable 4 to the upper end of the guide bracket 2. The hot air gun is connected to the hot air interface, and the heating temperature and air speed are set. High-temperature airflow is blown out from the inner guide ring 7. The hot air gun is held and slid up and down along the guide rod 15 to heat the heat shrink tubing 3. During the heating process, because the guide mounting base 9 can slide on the guide rod, the heating position can be flexibly adjusted to ensure that all parts of the heat shrink tubing 3 are heated evenly, improving the comprehensiveness and uniformity of the heating.

[0036] Beneficial effects

[0037] This invention provides an eddy current heating device, including a guide bracket 2 and an eddy current heating guide 1. The eddy current heating guide 1, through the arrangement of a heating ring 6 and an inner guide ring 7, allows hot airflow to enter the heating ring 6 and, under the guidance of the spiral or angled blades 17 of the inner guide ring 7, form a eddy current. When the airflow forms a eddy current around the heat-shrinkable component, it can more evenly contact the surface of the heat-shrinkable component, thereby achieving a uniform heating effect. The eddy current heating guide 1 moves under the action of the guide bracket 2, ensuring that all parts of the heat-shrinkable tubing on the cable 4 are heated evenly, improving the uniformity and comprehensiveness of heating. Operators only need to connect the hot air gun, fix the cable 4, and operate the guide bracket 2 according to the standardized procedures, reducing the impact of individual operating techniques and skill levels on the heat-shrinking effect, ensuring consistent installation quality, and improving the overall stability of construction quality.

[0038] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention.

Claims

1. An eddy current heating device, characterized by, The utility model relates to a cable terminal fixing device, including: A guide support including a guide rod; A vortex heating flow guide is arranged on the guide support and can move back and forth along the guide rod; The vortex heating flow guide includes a heating ring, a hot air interface arranged on the heating ring, and an inner flow guide ring arranged on the inside of the heating ring, the inner flow guide ring includes a plurality of flow guide through holes arranged along the center of the circle and a spiral or a blade offset at a certain angle from the center line of the inner flow guide ring arranged in the flow guide through hole, and the airflow guided by the inner flow guide ring forms a vortex.

2. The eddy current heating device of claim 1, wherein, The upper end of the guide support is provided with an upper fixed plate, a pull rod screw and a pull rod handle, the pull rod screw passes through the cable terminal, and rotating the pull rod handle fixes one end of the cable.

3. The eddy current heating device of claim 1, wherein, The lower end of the guide support is provided with a support base, and the support base is provided with a cable clamping plate.

4. The eddy current heating device of claim 1, wherein, The guide rod is parallel arranged.

5. The eddy current heating device of claim 4, wherein, The guide rod is respectively provided with a bearing bush and a flow guide mounting seat, the flow guide mounting seat is used for mounting the vortex heating flow guide, and the bearing bush is sleeved on the guide rod.

6. The eddy current heating device of claim 5, wherein, The bearing bush is provided with a ceramic ring.

7. The eddy current heating device of claim 3, wherein, The support base is provided with a through hole for the cable to pass through.

8. The eddy current heating device of claim 1, wherein, The hot air interface is connected with a hot air gun.

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