High efficiency electric heating furnace

Abstract

This utility model discloses a high-efficiency electric heating furnace, comprising: an outer shell; an inner heat-conducting layer fixedly connected inside the outer shell; a heating plate fixedly connected to the lower surface of the inner heat-conducting layer; a heat-conducting cylinder fixedly connected to the outer surface of the inner heat-conducting layer; multiple heat-conducting support plates fixedly connected to the inner surface of the heat-conducting cylinder; the heat-conducting support plates being inserted into the inner heat-conducting layer; a fitting ring fixedly connected to the outer surface of the inner heat-conducting layer; a heat insulation layer fitted onto the lower surface of the fitting ring; multiple guide blocks fixedly connected to the inner side of the outer shell; the sides of the guide blocks fitting against the sides of the heat insulation layer; a base plate connected to the lower surface of the outer shell by screws; two support blocks fixedly connected to the upper surface of the base plate; the upper surfaces of the support blocks fitting against the lower surface of the heat insulation layer. This design effectively improves heating efficiency and reduces the difficulty of disassembling and assembling the heat insulation layer, facilitating disassembly of the heat insulation layer by workers.

Description

Technical Field

[0001] This utility model relates to the field of electric heating furnace technology, and in particular to a high-efficiency electric heating furnace. Background Technology

[0002] Electric heating furnaces heat by generating Joule heat (thermal effect) through the flow of electric current through a conductor. Alternating current or direct current passes through a resistive heating element, causing it to generate Joule heat. By controlling the magnitude of the current flowing through the resistive heating element, the heating temperature and power can be changed. The resistance furnace can convert electrical energy into heat energy.

[0003] Existing electric heating furnaces contact the bottom of the cooking pot with an electric heating plate, resulting in low heat conduction efficiency and low heating efficiency. In addition, the insulation layer is often fixed and difficult to disassemble. The device of this utility model has a higher heating efficiency for the cooking pot and the insulation layer is easier to disassemble and install. Utility Model Content

[0004] The purpose of this invention is to provide a high-efficiency electric heating furnace that solves the problems of low heating efficiency and inconvenient disassembly and installation of the insulation layer.

[0005] To achieve the above objectives, a high-efficiency electric heating furnace is provided, comprising: an outer shell, an inner heat-conducting layer fixedly connected inside the outer shell, a heating plate fixedly connected to the lower surface of the inner heat-conducting layer, a heat-conducting cylinder fixedly connected to the outer surface of the inner heat-conducting layer, and a plurality of heat-conducting support plates fixedly connected to the inner surface of the heat-conducting cylinder, the heat-conducting support plates being inserted into the inner heat-conducting layer, thereby effectively improving heating efficiency;

[0006] The outer surface of the inner heat-conducting layer is fixedly connected to a fitting ring, and the lower surface of the fitting ring is fitted with a heat insulation layer. Multiple guide blocks are fixedly connected to the inner side of the outer shell, and the sides of the guide blocks are attached to the sides of the heat insulation layer. The lower surface of the outer shell is connected to a base plate by screws, and two support blocks are fixedly connected to the upper surface of the base plate. The upper surface of the support blocks is attached to the lower surface of the heat insulation layer, which reduces the difficulty of disassembling and assembling the heat insulation layer and makes it convenient for workers to disassemble the heat insulation layer.

[0007] According to the high-efficiency electric heating furnace, a plurality of heat-conducting support plates are evenly arranged in a ring shape to facilitate uniform heating.

[0008] According to the high-efficiency electric heating furnace, the guide block is provided with an arc and the guide block is arranged in a ring shape to facilitate matching with the arc of the heat insulation layer.

[0009] According to the high-efficiency electric heating furnace, a vacuum cavity is opened inside the insulation layer to facilitate heat insulation.

[0010] According to the high-efficiency electric heating furnace, three support feet are fixedly connected to the lower surface of the base plate. The three support feet are arranged along the endpoints of an equilateral triangle to increase the stability of the device.

[0011] According to the high-efficiency electric heating furnace, the two support blocks are symmetrically arranged.

[0012] According to the high-efficiency electric heating furnace, the upper surface of the heating plate extends to the outside of the inner heat-conducting layer, which facilitates heating of the heating pot.

[0013] The above-mentioned solution has the following beneficial effects:

[0014] 1. The heating plate is powered on for easy heating, the heat-conducting cylinder facilitates heat transfer, and the heat-conducting support plate further enhances heat transfer efficiency.

[0015] 2. By removing the base plate, the support block can be easily released from the insulation layer. The guide block can be used to easily limit the lateral movement of the insulation layer, increasing the stability of the support, reducing the difficulty of disassembling and assembling the insulation layer, and making it easier for workers to disassemble the insulation layer.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of a high-efficiency electric heating furnace according to the present invention;

[0019] Figure 2 This is a cross-sectional view of a high-efficiency electric heating furnace according to the present invention;

[0020] Figure 3 This is a perspective view of the heat-conducting cylinder of a high-efficiency electric heating furnace according to this utility model;

[0021] Figure 4 This utility model relates to a high-efficiency electric heating furnace. Figure 2 Enlarged view of point A in the middle;

[0022] Figure 5 This is a perspective view of a guide block for a high-efficiency electric heating furnace according to the present invention.

[0023] Legend:

[0024] 1. Outer shell; 2. Support feet; 3. Inner heat-conducting layer; 4. Heat-conducting support plate; 5. Support block; 6. Base plate; 7. Heating plate; 8. Heat-conducting cylinder; 9. Guide block; 10. Heat insulation layer; 11. Vacuum chamber; 12. Fitting ring. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-5 This utility model provides a high-efficiency electric heating furnace, which includes: an outer shell 1, an inner heat-conducting layer 3 fixedly connected inside the outer shell 1, which can be made of a material with good thermal conductivity, a heating plate 7 fixedly connected to the lower surface of the inner heat-conducting layer 3, a resistance wire installed inside the heating plate 7, a heat-conducting cylinder 8 fixedly connected to the outer surface of the inner heat-conducting layer 3, which can be made of a material with good thermal conductivity, and a plurality of heat-conducting support plates 4 fixedly connected to the inner surface of the heat-conducting cylinder 8, which are inserted into the inner heat-conducting layer 3;

[0027] An interlocking ring 12 is fixedly connected to the outer surface of the inner heat-conducting layer 3. The heat insulation layer 10 is interlocked on the lower surface of the interlocking ring 12 for heat insulation. Multiple guide blocks 9 are fixedly connected to the inner side of the outer shell 1 for limiting the heat insulation layer 10 and assisting in installation. The side of the guide block 9 is in contact with the side of the heat insulation layer 10. The lower surface of the outer shell 1 is connected to the base plate 6 by screws. Two support blocks 5 are fixedly connected to the upper surface of the base plate 6 for supporting the heat insulation layer 10. The upper surface of the support block 5 is in contact with the lower surface of the heat insulation layer 10.

[0028] Multiple heat-conducting support plates 4 are evenly arranged in a ring.

[0029] The guide block 9 is curved and arranged in a ring shape, and is attached to the heat insulation layer 10.

[0030] A vacuum cavity 11 is formed inside the insulation layer 10 for heat insulation.

[0031] Three support feet 2 are fixedly connected to the lower surface of the base plate 6. The three support feet 2 are set along the endpoints of the equilateral triangle to ensure the stability of the support.

[0032] The two support blocks 5 are set symmetrically.

[0033] The upper surface of the heating plate 7 extends to the outside of the inner heat-conducting layer 3.

[0034] Working principle: When in use, the heating pot is placed inside the outer shell 1, and then the heating plate 7 is activated by the external switch. Heat is conducted by the heat-conducting cylinder 8 and the heat-conducting support plate 4, which facilitates the overall heating of the heating pot and improves heating efficiency. The external insulation layer 10 and the internal vacuum chamber 11 work together to reduce heat loss and improve heat utilization. When the insulation layer 10 needs to be replaced, the operator can remove the bottom plate 6 of the outer shell 1, thereby releasing the fixation of the insulation layer 10 by the bottom plate 6 and the support block 5. The guide block 9 can limit the left and right movement of the insulation layer 10, making it convenient for the operator to install and remove the insulation layer 10 and increasing the convenience of the device.

[0035] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high efficiency electrically heated furnace comprising: The outer shell (1) is characterized in that an inner heat-conducting layer (3) is fixedly connected inside the outer shell (1), a heating plate (7) is fixedly connected to the lower surface of the inner heat-conducting layer (3), a heat-conducting cylinder (8) is fixedly connected to the outer surface of the inner heat-conducting layer (3), and a plurality of heat-conducting support plates (4) are fixedly connected to the inner surface of the heat-conducting cylinder (8), and the heat-conducting support plates (4) are inserted into the inner heat-conducting layer (3); The outer surface of the inner heat-conducting layer (3) is fixedly connected to the fitting ring (12), the lower surface of the fitting ring (12) is fitted with the heat insulation layer (10), the inner side of the outer shell (1) is fixedly connected to multiple guide blocks (9), the side of the guide block (9) is attached to the side of the heat insulation layer (10), the lower surface of the outer shell (1) is connected to the base plate (6) by screws, the upper surface of the base plate (6) is fixedly connected to two support blocks (5), the upper surface of the support blocks (5) is attached to the lower surface of the heat insulation layer (10).

2. The high efficiency electric heating furnace according to claim 1, wherein Multiple heat-conducting support plates (4) are evenly arranged, and the heat-conducting support plates (4) are arranged in a ring.

3. The high efficiency electric heating furnace according to claim 1, wherein The guide block (9) is provided with an arc and the guide block (9) is arranged in a ring.

4. The high efficiency electric heating furnace according to claim 1, wherein A vacuum cavity (11) is formed inside the heat insulation layer (10).

5. The high efficiency electric heater as set forth in claim 1, wherein Three support feet (2) are fixedly connected to the lower surface of the base plate (6), and the three support feet (2) are arranged along the endpoints of an equilateral triangle.

6. A high-efficiency electric heating furnace according to claim 1, characterized in that, The two support blocks (5) are arranged symmetrically.

7. The high efficiency electric heater of claim 1, wherein, The upper surface of the heating plate (7) extends to the outside of the inner heat-conducting layer (3).

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