CN-114321994-B - Electric heating device and electric furnace

Abstract

The electric heating device comprises a heating panel, a heating element, a heat insulation part, a fixing shell, a temperature measuring element and a socket, wherein the heating element is arranged on the lower side of the heating panel and is provided with a power receiving part, the heat insulation part is provided with a heat insulation cavity with an opening on the upper side and used for covering the heating element, the fixing shell is provided with a shell cavity with an opening on the upper side and used for accommodating the heat insulation part, the upper end of the fixing shell is connected with the heating panel through an adhesive material, the temperature measuring element is arranged at the bottom of the heat insulation part, the socket is fixedly connected to the side part of the fixing shell and is electrically connected with the power receiving part and the temperature measuring element through a power supply wire and a detection wire respectively, the power supply wire is arranged in a power supply wire groove, the detection wire is arranged in the detection wire groove, and the interface end of the socket faces the side part of the fixing shell. Through setting up the socket on the fixed shell, the external circuit just can swiftly be connected with electric heater unit's socket through the plug during the assembly, and this kind of assembly mode easy operation is swift reliable, and interchangeability is good, has now modularization encapsulation, and the wholeness of product is good.

Inventors

• PENG JINGXI

Assignees

• 中山市信轩堂文化产业投资有限公司

Dates

Publication Date

20260505

Application Date

20210209

Priority Date

20201011

Claims (11)

1. 1. An electric heating device, characterized by comprising: A heating panel; the heating element is attached to the lower side of the heating panel and is provided with an electricity connection part; a heat insulating member provided with a heat insulating chamber having an upper opening for covering the heating element; the upper end of the fixing shell is provided with an electric connection notch corresponding to the electric connection part, and the electric connection part extends to the electric connection notch; the temperature measuring element is arranged at the bottom of the heat insulation component; The socket is arranged in a socket assembly groove at the side part of the bottom wall of the fixed shell and is electrically connected with the power connection part and the temperature measuring element through a power supply wire and a detection wire respectively, a power supply wire groove communicated with the socket assembly groove and the power connection part and a detection wire groove communicated with the temperature measuring element and the socket assembly groove are arranged at the outer side of the fixed shell, the power supply wire is arranged in the power supply wire groove, the detection wire is arranged in the detection wire groove, the socket assembly groove penetrates through the side wall of the fixed shell, and the interface end of the socket is arranged at the side opening of the socket assembly groove; The cover body, the cover body is equipped with the cover chamber that the upside opening is used for holding the fixed shell, and the cover body lateral part is equipped with the jack corresponding to the interface end of socket, and the cover body is installed in the fixed shell outside and can be connected with the fixed shell around the center of fixed shell rotationally through rotatory connection structure, and the cover body can make the jack correspond or stagger the interface end of socket through rotatory mode.
2. 2. An electric heating device according to claim 1, characterized in that the supply and detection conductors are fixed in the wire chase by gluing.
3. 3. An electric heating device according to claim 1, wherein socket connecting portions are provided on both sides of the socket, and connecting grooves are provided on both sides of the socket fitting groove, and the socket connecting portions are fixed in the connecting grooves by screws, thereby fixing the socket in the socket fitting groove.
4. 4. An electric heating device according to any one of claims 1 to 3, wherein the power receiving portions of the heating element are arranged on opposite sides, two power supply line grooves are provided, the two power supply line grooves are V-shaped as a whole, and the detection line groove is provided between the two power supply line grooves.
5. 5. An electric heating device according to claim 1, wherein the power supply wire and the power receiving portion are connected by welding.
6. 6. The electric heating apparatus according to claim 1, wherein the rotary connection structure includes an arc guide groove provided at the center of the line of the bottom wall of the fixed case, and a guide block provided at the upper side of the bottom wall of the cover body to be fitted with the arc guide groove, the guide block being fitted in the arc guide groove, the guide block being movable along the arc guide groove when the cover body is rotated.
7. 7. The electric heating device as claimed in claim 6, wherein a protruding edge is provided at one side of the upper end of the guide block, and the protruding edge is caught on the limit surface of the circular guide groove after the guide block is inserted into the circular guide groove.
8. 8. An electric fire, comprising: The shell is provided with a furnace chamber with an upper opening, an assembly step is arranged around the opening of the furnace chamber, and a wire hole is arranged on the side part of the shell; the electric heating apparatus according to any one of claims 1 to 7, wherein the installation positioning portion of the electric heating apparatus is installed on the upper side of the assembly step; The electric wire assembly comprises a plug, a power wire and a detection wire which are electrically connected, and the plug is electrically connected with the socket through a wire hole.
9. 9. The electric furnace according to claim 8, wherein the heating panel edge is a mounting positioning portion, and the mounting positioning portion is connected with the assembly step by an adhesive material; Or the upper end of the fixed shell is provided with a flanging connecting part which extends outwards, the flanging connecting part is an installation positioning part, and the installation positioning part is connected with the assembly step through an adhesive material; Or the upper end of the fixed shell is provided with an outwards extending flanging connecting part, the side of the lower side of the flanging connecting part is provided with a plurality of clasps for installation, the edge of the heating panel or the flanging connecting part is an installation positioning part, and the clasps are buckled on the lower side of the assembly step.
10. 10. An electric fire, comprising: The shell is provided with a furnace chamber with an upper opening, an assembly step is arranged around the opening of the furnace chamber, and a wire hole is arranged on the side part of the shell; an electrical heating device as claimed in any one of claims 1 to 7; the connecting ring piece comprises a ring wall inserted into the opening of the furnace chamber and a clamping edge arranged on the outer side of the upper end of the ring wall in a surrounding manner, the ring wall of the connecting ring piece is inserted into the opening of the furnace chamber, the clamping edge is fixed on the assembly step, the electric heating device is assembled in the ring wall, and the installation positioning part of the electric heating device is arranged on the upper side of the clamping edge; The electric wire assembly comprises a plug, a power wire and a detection wire which are electrically connected, and the plug is electrically connected with the socket through a wire hole.
11. 11. The electric furnace according to claim 10, wherein the heating panel edge is a mounting and positioning portion, and the mounting and positioning portion is connected with the clamping edge through an adhesive material; or the upper end of the fixed shell is provided with a flanging connecting part which extends outwards, the flanging connecting part is an installation positioning part, and the installation positioning part is connected with the clamping edge through an adhesive material; Or the upper end of the fixed shell is provided with an outwards extending flanging connecting part, the side of the lower side of the flanging connecting part is provided with a plurality of clasps for installation, the edge of the heating panel or the flanging connecting part is provided with an installation positioning part, and the clasps are buckled on the annular wall.

Description

Electric heating device and electric furnace Technical Field The invention relates to the technical field of electric furnaces, in particular to an electric heating device and an electric furnace. Background The electric ceramic stove on the present market generally includes casing, core and panel, and the core includes dish and the core base generate heat, and the core base includes structures such as base upper cover, base side shell, base bottom, radiator fan and circuit board, and the panel is located the upside of dish that generates heat, and during operation, the panel is heated to the heat that the heat-generating body in the dish that generates heat produced, and the panel heats the article of placing. The electroceramic stove has wide application, has the functions of water boiling, frying, roasting, hot pot, quick-frying, milk heating, soup stewing, slow stewing and the like, and is popular with consumers. The traditional machine core does not consider the combination of a heating disc and a panel, so that the structure of the machine core and the machine shell is complex, the machine shell is required to be provided with a bottom plate of which the lower side can be used for opening a shell cavity, the panel is required to be fixedly arranged on an installation step at the upper end of the shell cavity, the machine core is installed upwards from the shell cavity, the upper end of the heating disc is propped against the lower side of the panel through an elastic supporting piece between a machine core base and the heating disc, the structure scheme is complex, the installation is troublesome, the machine shell is required to be designed into an upper opening and a lower opening, a connecting structure is also required to be designed between the bottom plate and the lower end of the machine shell, the structure of the machine shell is complex, for example, the machine shell of an electroceramic stove made of ceramic materials is designed into an opening at the bottom, and the manufacturing cost is high and the process is complex. With the improvement of the technology, the machine core and the electroceramic stove disclosed in the Chinese patent document CN109539338A are provided with the connecting part at the upper end of the heating disc shell, and the panel is connected with the connecting part through the bonding material, so that the panel can be directly fixed on the heating disc; because the panel is directly fixed on the heating plate, when the electric ceramic furnace is assembled, the panel is not required to be fixed on the mounting step of the shell of the electric ceramic furnace, so that the mode of mounting downwards from the upper part of the shell of the electric ceramic furnace can be adopted, the movement is fixed through the cooperation of the panel or the connecting part and the mounting step, the mounting process is simplified, and the bottom of the shell of the electric ceramic furnace can be free from designing an openable bottom plate, so that the production cost is reduced. The current core connects the electricity and generally connects one section power supply wire and detection wire with heating element's electric portion that connects and temperature measuring element respectively as the connector lug, and the core is assembled outside circuit and connector lug behind the casing and is in the same place through fastener or welding, need connect the line in addition just can fix the core, and the assembly is troublesome, and the wire length of different specification casings is different, leads to the need to customize different connector lugs for different specification casings, and the interchangeability is poor. Disclosure of Invention The invention aims to overcome the defects of the prior art, and provides an electric heating device which is rapid in power connection assembly and good in interchangeability, and the technical scheme adopted by the invention is as follows: The electric heating device comprises a heating panel, a heating element, a heat insulation part, a fixing shell, a temperature measuring element and a socket, wherein the heating element is arranged on the lower side of the heating panel and is provided with a power connection part, the heat insulation part is provided with a heat insulation cavity with an opening at the upper side and used for covering the heating element, the fixing shell is provided with a shell cavity with an opening at the upper side and used for accommodating the heat insulation part, the upper end of the fixing shell is connected with the heating panel through an adhesive material, the temperature measuring element is arranged at the bottom of the heat insulation part, the socket is fixedly connected to the side part of the fixing shell and is electrically connected with the power connection part and the temperature measuring element through a power supply wire and a detection wire respectively, the outer side of the fixi