Heating wire heater

By designing a structure that separates the storage and heating space in the electric heating cookware, combining insulation and vacuum layers, and controlling the heating wire with a control circuit board, the maintenance difficulties and heat management problems are solved, achieving convenient maintenance and efficient heat utilization.

CN223484291UActive Publication Date: 2025-10-28SHANDONG SHANGPIN DAVID KITCHEN CO LTD
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Patent Information

Application Number
CN202422898220.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-10-28
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing electric heating cookers lack maintenance mechanisms, which makes it impossible to repair damaged components, and heat easily dissipates, increasing usage costs and energy waste.

Method used

An outer shell structure is designed to separate the storage space and heating facilities, including drawers and slides for easy maintenance; insulation layers, heat spreaders and vacuum layers are used for heat management; multiple heating wires are controlled by a control circuit board to distribute heat output on demand.

Benefits of technology

It enables convenient maintenance and heat management, prevents heat from being transferred to the storage space, improves thermal conductivity, avoids burns and heat dissipation, and saves energy.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223484291U_ABST
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Abstract

The utility model discloses a heating wire heater, which relates to the technical field of heating and comprises an outer shell, a cabinet door is hinged to the bottom of the front side of the outer shell through a hinge, a supporting plate is fixedly arranged on the inner side of the outer shell and located above the cabinet door, and a heat insulation layer is fixedly arranged above the supporting plate. Sliding rails are symmetrically and fixedly arranged on the top of the inner wall of the outer shell, a drawer is slidably arranged on the sliding rails through sliding blocks, a hole matched with the drawer is formed in the top of the front end face of the outer shell, a first heat insulation protection plate is fixedly arranged on the front side of the drawer, and a heating device is arranged in the drawer. The inner space of the outer shell is divided into the storage space and the heating facility space through the supporting plate, the drawer is matched with the sliding rail, the heating device can be conveniently checked and maintained, and the heat insulation layer plays a role in heat insulation and prevents heat from being conducted into the storage space.
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Description

Technical Field

[0001] This utility model relates to the field of heating technology, specifically an electric heating wire heater. Background Technology

[0002] Electric cooking appliances refer to kitchen tools that use electrical energy to convert into heat energy for cooking or heating food. Common examples include induction cookers, electric hot pots, electric ovens, rice cookers, and electric kettles. Compared to traditional gas-fired cooking appliances, electric cooking appliances offer greater safety and convenience. The electric heating process eliminates the need for an open flame, reducing the risk of fire, and provides precise heating with more even temperature control.

[0003] The utility model authorized by announcement number CN214481333U discloses an electric heating kitchen appliance. This utility model heats the main body of the kitchen appliance through the heating layer in the heating component. It directly heats the main body of the kitchen appliance by means of far-infrared radiation and heat conduction, without electromagnetic radiation, thus avoiding harm to the life and health of the operator.

[0004] The device described above can heat the main body of the kitchenware, but it does not have a maintenance mechanism. If a component inside the device is damaged, it cannot be repaired, which increases the user's operating costs. In addition, the device does not have a proper insulation layer, so the heat generated by the heating element is easily dissipated, resulting in heat waste. Utility Model Content

[0005] The purpose of this invention is to provide an electric heating wire heater to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An electric heating wire heater includes an outer shell. A cabinet door is hinged to the bottom front side of the outer shell. A support plate is fixedly installed on the inner side of the outer shell above the cabinet door. A heat insulation layer is fixedly installed above the support plate. Slide rails are symmetrically fixed on the top of the inner wall of the outer shell. Drawers are slidably mounted on the slide rails via sliders. A hole is opened on the top front face of the outer shell to mate with the drawer. A first heat insulation protection plate is fixedly installed on the front side of the drawer. A heating device is installed inside the drawer. A heat spreader plate is installed above the drawer. A pot groove is opened in the heat spreader plate. A second heat insulation protection plate is fixedly installed on the top of the outer shell. The second heat insulation protection plate has a hole to mate with the pot groove.

[0008] As a further embodiment of this utility model: a first handle is fixedly provided on the front end face of the cabinet door, and a second handle is fixedly provided on the front side of the first heat insulation protection plate.

[0009] As a further improvement of this utility model, a vacuum layer is provided inside the outer shell.

[0010] As a further embodiment of this utility model: the heating device includes a heating substrate, a first heating wire is embedded in the heating substrate, and a plurality of second heating wires are evenly arranged above the heating substrate. The first heating wire and the second heating wire are connected to a control circuit board through wires.

[0011] As a further improvement of this invention, a temperature sensor is provided inside the heating substrate.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The internal space of the outer shell is divided into storage space and heating facility space by the support plate. The drawers and slides are designed to facilitate the inspection and maintenance of the heating device. The heat insulation layer serves to prevent heat from being conducted into the storage space.

[0014] 2. The heat generated by the heating device is absorbed by the heat spreader, which can heat the kitchen utensils evenly. The second heat insulation protection plate protects the operator and prevents burns. The vacuum layer provides heat insulation and sound insulation and also prevents heat from being conducted to the outer shell.

[0015] 3. By controlling multiple heating wires through the control circuit board, the heating wires can be activated as needed. This not only controls the intensity of the heating device but also saves energy. The heating substrate can conduct heat from the first and second heating wires to the heat spreader, improving heat conduction efficiency and preventing heat loss. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0017] Figure 2 This is a schematic diagram of the main structure of this utility model.

[0018] Figure 3 This is a cross-sectional three-dimensional structural diagram of the present invention.

[0019] Figure 4 This is an exploded view of the present invention.

[0020] Figure reference numerals: 1. Outer shell; 2. Cabinet door; 3. First handle; 4. Drawer; 5. First heat insulation plate; 6. Slide rail; 7. Second handle; 8. Heating device; 81. Heating base plate; 82. First heating wire; 83. Second heating wire; 9. Heat spreader; 91. Pot trough; 10. Second heat insulation plate; 11. Vacuum layer; 12. Heat insulation layer; 13. Support plate. Detailed Implementation

[0021] The following embodiments will be described in detail with reference to the accompanying drawings. In the drawings and description, similar or identical parts are referred to by the same reference numerals. Furthermore, in practical applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in this utility model are merely illustrative and not intended to limit the scope of the utility model. Any obvious modifications or alterations made to this utility model do not depart from its spirit and scope.

[0022] Example

[0023] Please see Figures 1-4 In this embodiment of the utility model, an electric heating wire heater includes a housing 1. A cabinet door 2 is hinged to the bottom front side of the housing 1. A first handle 3 is fixedly installed on the front end of the cabinet door 2. A support plate 13 is fixedly installed on the inner side of the housing 1 above the cabinet door 2. A heat insulation layer 12 is fixedly installed on the upper part of the support plate 13. A slide rail 6 is symmetrically fixedly installed on the top of the inner wall of the housing 1. A drawer 4 is slidably installed on the slide rail 6 via a slider. A hole is opened on the top front end of the housing 1 to cooperate with the drawer 4. A first heat insulation protection plate 5 is fixedly installed on the front side of the drawer 4. A second handle 7 is fixedly installed on the front side of the first heat insulation protection plate 5. A heating device 8 is installed inside the drawer 4. The support plate 13 divides the internal space of the housing 1 into a storage space and a heating device space. The drawer 4 and the slide rail 6 cooperate to facilitate the inspection and maintenance of the heating device 8. The heat insulation layer 12 serves to insulate against heat and prevent heat from being conducted into the storage space.

[0024] A heat spreader 9 is provided above the drawer 4, and a pot groove 91 is provided inside the heat spreader 9. A second heat insulation protection plate 10 is fixedly provided above the outer shell 1. The second heat insulation protection plate 10 has holes that cooperate with the pot groove 91. A vacuum layer 11 is provided inside the outer shell 1. The heat spreader 9 absorbs the heat generated by the heating device 8, so that the heat spreader 9 can heat the cookware evenly. The second heat insulation protection plate 10 protects the operator and prevents the operator from being burned. The vacuum layer 11 has the functions of heat preservation and sound insulation, and can also prevent heat from being conducted to the outer shell 1.

[0025] The heating device 8 includes a heating base plate 81, in which a first heating wire 82 is embedded. A plurality of second heating wires 83 are evenly arranged above the heating base plate 81. A temperature sensor is provided in the heating base plate 81. The first heating wire 82 and the second heating wires 83 are connected to a control circuit board through wires. The control circuit board controls the multiple heating wires and activates them as needed. This can control the intensity of the heating device 8 and save energy. The heating base plate 81 can conduct heat from the first heating wire 82 and the second heating wire 83 to the heat spreader 9, improving heat conduction efficiency and preventing heat loss.

[0026] When the device is in use, the first heating wire 82 and the second heating wire 83 are turned on or off by the control circuit board to heat the heating substrate 81, and then the heat is conducted to the heat spreader 9. When only a small amount of heat is needed, only the four second heating wires 83 in the middle need to be turned on to meet the heat requirement. When a medium amount of heat is needed, all the second heating wires 83 are turned on to heat the heating substrate 81. When the maximum heat is needed, all the first heating wires 82 and the second heating wires 83 are turned on to heat the heating substrate 81 with the maximum heat output. When the heating device 8 needs to be inspected and maintained, the drawer 4 and the heating device 8 can be pulled out from the outer casing 1 by pulling the second handle 7, which facilitates maintenance.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electric heating wire heater, comprising a housing (1), characterized in that, The bottom front side of the outer shell (1) is hinged to a cabinet door (2). A support plate (13) is fixedly installed on the inner side of the outer shell (1) above the cabinet door (2). A heat insulation layer (12) is fixedly installed on the support plate (13). A slide rail (6) is symmetrically fixedly installed on the top of the inner wall of the outer shell (1). A drawer (4) is slidably installed on the slide rail (6) by a slider. A hole that mates with the drawer (4) is opened on the top front side of the outer shell (1). A first heat insulation protection plate (5) is fixedly installed on the front side of the drawer (4). A heating device (8) is installed inside the drawer (4). A heat spreader plate (9) is installed above the drawer (4). A pot trough (91) is opened inside the heat spreader plate (9). A second heat insulation protection plate (10) is fixedly installed above the outer shell (1). A hole that mates with the pot trough (91) is opened on the second heat insulation protection plate (10).

2. The electric heating wire heater according to claim 1, characterized in that, The cabinet door (2) is fixedly provided with a first handle (3) on the front end face, and the first heat insulation protection plate (5) is fixedly provided with a second handle (7) on the front side.

3. The electric heating wire heater according to claim 1, characterized in that, A vacuum layer (11) is provided inside the outer shell (1).

4. The electric heating wire heater according to any one of claims 1-3, characterized in that, The heating device (8) includes a heating substrate (81), in which a first heating wire (82) is embedded and installed, and a plurality of second heating wires (83) are evenly arranged above the heating substrate (81). The first heating wire (82) and the second heating wires (83) are connected to a control circuit board through wires.

5. The electric heating wire heater according to claim 4, characterized in that, A temperature sensor is provided inside the heating substrate (81).