Electric heating disc

Abstract

An electric heating disc comprises an aluminum heat conduction disc and an aluminum shell heating tube, and the aluminum shell heating tube and the lower surface of the aluminum heat conduction disc are attached and welded through laser. The aluminum shell heating tube and the aluminum heat conduction disc are welded through laser, process steps are few, and work efficiency is high.

Description

Technical Field

[0001] This utility model relates to a heating plate for a household appliance. Background Technology

[0002] The existing technology, Chinese patent 202121177027.X, describes an improved welding structure for a heating plate, including a heating plate comprising a steel plate, an aluminum plate, and a heating element. The steel plate and the aluminum plate are connected on one side and welded together using flux. The heating element is located on the other side of the aluminum plate. Multiple flux flow holes are provided within the contact area between the aluminum plate and the heating element, connecting both sides of the aluminum plate. Flux guide grooves are provided around the flux flow holes on the contact surface between the aluminum plate and the heating element. Flux enters the other side of the aluminum plate through the flux flow holes and is evenly distributed along the flux guide grooves on the contact surface between the aluminum plate and the heating element, welding the heating element to the aluminum plate. The flux welds the steel plate, aluminum plate, and heating element in one step to form the heating plate. The problem is that flux welding is a complex process and is not environmentally friendly. Utility Model Content

[0003] The purpose of this utility model is to provide an electric heating plate that has the characteristics of simple welding process and high efficiency.

[0004] This invention is achieved as follows: an electric heating plate, characterized in that it includes an aluminum heat-conducting plate and an aluminum outer shell heating element.

[0005] The aluminum outer shell heating element and the lower surface of the aluminum heat conduction plate are attached and laser welded together.

[0006] The electric heating plate is characterized in that the inner and outer sides of the aluminum outer shell heating tube are welded to the aluminum heat-conducting plate, respectively.

[0007] The electric heating plate is characterized in that the cross-section of the aluminum outer shell heating tube is an inverted trapezoid, and the bottom is welded to the aluminum heat-conducting plate.

[0008] Alternatively, the aluminum casing heating element has a semi-circular cross-section, with its diameter surface welded to the aluminum heat-conducting plate.

[0009] The electric heating plate is characterized in that it also includes an aluminum plate, which is laser-welded to the aluminum heat-conducting plate within the range of the heating tube of the aluminum outer shell.

[0010] The electric heating plate is characterized by having functional columns mounted on the aluminum plate.

[0011] This utility model discloses an electric heating plate in which the aluminum outer shell heating tube and the aluminum heat-conducting plate are laser welded, which reduces the number of process steps and increases efficiency. Attached Figure Description

[0012] Figure 1This is a cross-sectional view of the present invention.

[0013] Figure 2 This is an exploded perspective view of this utility model.

[0014] Figure 3 This is a perspective view of the present invention. Detailed Implementation

[0015] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0016] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0017] like Figure 1 , Figure 2 As shown, an electric heating plate includes an aluminum heat-conducting plate 1 and an aluminum outer shell heating tube 2. The aluminum heat-conducting plate 1 is circular or square.

[0018] The lower surfaces of the aluminum outer shell heating element 2 and the aluminum heat conduction plate 1 are bonded together and laser welded.

[0019] As a further improvement of this utility model: the inner and outer sides of the aluminum outer shell heating tube 2 are respectively welded to the aluminum heat-conducting plate 1.

[0020] As a further improvement of this utility model: the cross-section of the aluminum outer shell heating tube 2 is an inverted trapezoid, and the lower bottom 21 is welded to the aluminum heat-conducting plate 1. Alternatively, the cross-section of the aluminum outer shell heating tube 2 can be semi-circular.

[0021] As a further improvement of this utility model, it also includes an aluminum plate 3, which is laser-welded to the aluminum heat-conducting plate 1 within the range of the heating tube 2 of the aluminum outer shell. The aluminum plate 3 is provided to utilize its good thermal conductivity and reduce the temperature below the electric heating plate.

[0022] As a further improvement of this utility model: the aluminum plate 3 is provided with a functional column 31.

[0023] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electric heating plate, characterized in that: Includes an aluminum heat-conducting plate and an aluminum outer casing heating element. The lower surfaces of the aluminum outer casing heating element and the aluminum heat-conducting plate are bonded together and laser-welded. It also includes an aluminum plate, which is laser-welded to an aluminum heat-conducting plate within the range of the heating tube of the aluminum shell.

2. The electric heating plate according to claim 1, characterized in that: The inner and outer sides of the aluminum outer shell heating tube are welded to the aluminum heat-conducting plate, respectively.

3. The electric heating plate according to claim 1, characterized in that: The aluminum outer shell heating element has an inverted trapezoidal cross-section, with its bottom welded to the aluminum heat-conducting plate; Alternatively, the aluminum casing heating element has a semi-circular cross-section, with its diameter surface welded to the aluminum heat-conducting plate.

4. An electric heating plate according to claim 1, characterized in that: The aluminum plate is installed on the functional column.

Images