Heating disc
By adopting a ring structure composed of multiple heating element strips and a stamping technology for heating plates, the problem of the difficulty in fixing the shape of the heating wire disc was solved, thus achieving efficient and low-cost manufacturing of the heating plate.
Patent Information
- Application Number
- CN202421419714.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-06-20
AI Technical Summary
The existing heating element in the heating plate is not easy to fix into a disc shape, resulting in low production efficiency and high cost.
The heating element is a disc-shaped heating element composed of multiple heating element strips. The strips are connected by bending to form a ring structure. The heating element is integrally stamped with heating plate and fixed with insulation layer and rivets to ensure the stability of the heating element disc shape.
It improves the manufacturing and production efficiency of heating wire discs and reduces costs.
Smart Images
Figure CN223567815U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of resistance heating technical field, especially heating disc. BACKGROUND
[0002] Many heating household appliances need to use heating disc, and the existing heating disc uses the mode of electric heating wire, and the specific structure is that electric heating wire cloth is clamped between upper and lower insulating plates, and then closed with aluminum material.This kind of heating disc, since electric heating wire is wound into spiral shape, the shape of electric heating wire wound into disc is not easy to fix, and when the insulator is clamped and pressed, it is easy to pop out of the insulating plate, resulting in low efficiency of electric heating wire cloth arrangement, thereby making the production efficiency low. SUMMARY
[0003] The utility model aims at providing a kind of heating disc that can overcome one or more of the above-mentioned shortcomings, with high manufacturing efficiency of electric heating wire disc, easy fixation of electric heating wire disc shape, high production efficiency and low cost.
[0004] The utility model is realized as follows: a kind of heating disc, characterized in that, it comprises disc-shaped heating body disc composed of a plurality of heating body strips, the disc-shaped heating body disc is divided into left and right halves, and the connecting part of the two halves of disc-shaped heating body disc is a center line, each half of disc-shaped heating body disc is composed of a plurality of heating body strip groups, the plurality of heating body strip groups are arranged from outside to inside, each heating body strip group is composed of one heating body strip segment or two heating body strip segments arranged in an up-down manner, the front and rear ends of each heating body strip group are close to the center line, the heating body strip segments of the plurality of heating body strip groups arranged from outside to inside are sequentially connected by bending parts from head to tail, so that the heating body strip segments of the plurality of heating body strip groups are connected together, the heating body strip segments close to the center line of the two halves of disc-shaped heating body disc are connected into an open ring, and the open ends of the heating body strip segments close to the center line of the two halves of disc-shaped heating body disc are connected to the adjacent outer heating body strip segments by bending parts, so that all the heating body strip segments of the two halves of disc-shaped heating body disc are connected together, and the head of the heating body strip segment away from the center line of the two halves of disc-shaped heating body disc is the two-side input end of power supply, and the disc-shaped heating body disc is integrally punched from heating plate material.
[0005] The heating body strip wound into disc is not easy to deform, so its shape position is easy to fix, which makes it easy to be fixed with the insulating heat conductor (such as the mica sheet above and below the heating body strip wound into disc made of electric heating plate), and during the fixing process, since the heating body strip is flat and planar, it is easy to be clamped and fixed by the insulating heat conductor.
[0006] The heating body strip can be made of iron-chromium or chromium-nickel heating material containing tungsten or manganese, which can effectively increase the resistance of the heating body strip and control the power of the heating body strip within 300-700 watts.
[0007] Preferably, the four edges of the heat body disc are provided with process holes, the first process hole is located at the middle of the left side of the left half disc-shaped heat body disc, the second process hole is located at the middle of the right side of the right half disc-shaped heat body disc, the third process hole and the fourth process hole are respectively located at the middle of the upper part and the middle of the lower part of the disc-shaped heat body disc, the heat body strip group located at the first process hole or the second process hole is composed of two heat body strip segments distributed in the upper and lower directions, the heat body strip group located at the first process hole or the second process hole is composed of an upper heat body strip segment group composed of a plurality of outer-to-inner arranged upper heat body strip segments and a lower heat body strip segment group composed of a plurality of outer-to-inner arranged lower heat body strip segments, the bending part is a U-shaped bending part, the outermost upper heat body strip segment of the upper heat body strip segment group is connected with the adjacent outer heat body strip group through the bending part, the head-to-tail sequentially connected upper heat body strip segments of the upper heat body strip segment group are connected through the bending part, the innermost upper heat body strip segment of the upper heat body strip segment group is connected with the outermost lower heat body strip segment of the lower heat body strip segment group through the Z-shaped bending part, the head-to-tail sequentially connected lower heat body strip segments of the lower heat body strip segment group are connected through the bending part, the innermost lower heat body strip segment of the lower heat body strip segment group is connected with the adjacent inner heat body strip group through the bending part, the end of the heat body strip segment located at the third process hole and the fourth process hole is close to the edge of the third process hole or the edge of the fourth process hole.
[0008] Preferably, the upper surface and the lower surface of the heat body disc are provided with an insulating layer, the heat body disc is clamped and placed between the panel and the bottom plate, and is fixed by rivets penetrating through the insulating layer, the panel, the bottom plate and the process hole, so as to manufacture the heating disc.
[0009] Compared with the prior art, the electric heating wire disc manufacturing efficiency is high, the electric heating wire disc shape is easy to fix, the production efficiency is high, and the cost is low. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structure diagram of the heat disc of the utility model;
[0011] Figure 2 It is a structure diagram of the heating disc;
[0012] Figure 3 It is Figure 2 exploded view.
[0013] Drawing number: a-heat body disc; B-midline; c-process hole; 1-heat body strip group; 101-bending part; 102-opening; 103-annular heat body strip segment; 104-input end; 105-upper heat body strip segment group; 106-lower heat body strip segment group; 2-insulating layer; 3-panel; 301-lower port; 4-bottom plate; 5-rivet. DETAILED DESCRIPTION
[0014] The heating plate of this utility model will now be described in further detail with reference to the accompanying drawings and embodiments:
[0015] like Figure 1 As shown, the heating plate of this utility model is implemented as follows: it includes a disc-shaped heating plate a composed of an array of heating element strips 1. The disc-shaped heating plate a is divided into left and right halves, with the connection point between the two halves of the disc-shaped heating plate being the center line B. Each half of the disc-shaped heating plate is composed of an array of heating element strips 1, which are arranged from the outside to the inside. Each heating element strip 1 consists of one heating element segment or two heating element segments arranged vertically. The front and rear ends of each heating element strip 1 are close to the center line B. The heating element segments of the array of heating element strips 1 arranged from the outside to the inside are connected end to end by bending portions 101. This allows the heating element segments of the array heating element strip group 1 to be connected in series. The heating element segments near the center line B of the two halves of the disc-shaped heating element disk are connected to form annular heating element segments 103 with openings 102. The two ends of the openings 102 of the annular heating element segments 103 near the center line of the two halves of the disc-shaped heating element disk are connected to the adjacent outer heating element segments through bending parts 101, thereby connecting all the heating element segments of the two halves of the disc-shaped heating element disk in series. The heads of the heating element segments away from the center line B of the two halves of the disc-shaped heating element disk are the two input terminals 104 of the power supply. The disc-shaped heating element disk a is integrally stamped from the heating plate.
[0016] Preferably, the four edges of the heat-generating body disc a are provided with process holes c, the first process hole c is located at the middle of the left side of the left half disc-shaped heat-generating body disc, the second process hole c is located at the middle of the right side of the right half disc-shaped heat-generating body disc, the third process hole c and the fourth process hole c are respectively located at the middle of the upper part and the middle of the lower part of the disc-shaped heat-generating body disc a, the heat-generating body strip group 1 located at the first process hole c or the second process hole c is composed of two heat-generating body strip segments distributed upward and downward, so that the array of heat-generating body strip groups located at the first process hole or the second process hole is composed of an upper heat-generating body strip segment group 105 composed of a plurality of outer-to-inner arranged upper heat-generating body strip segments and a lower heat-generating body strip segment group 106 composed of a plurality of outer-to-inner arranged lower heat-generating body strip segments, the bending part 101 is a U-shaped bending part, the outermost upper heat-generating body strip segment of the upper heat-generating body strip segment group 105 is connected with the adjacent outer heat-generating body strip group 1 through the bending part 101, the head-to-tail sequentially connected upper heat-generating body strip segments of the upper heat-generating body strip segment group 105 are connected through the bending part 101, the innermost upper heat-generating body strip segment of the upper heat-generating body strip segment group 105 is connected with the outermost lower heat-generating body strip segment of the lower heat-generating body strip segment group 106 through the Z-shaped bending part 101, the head-to-tail sequentially connected lower heat-generating body strip segments of the lower heat-generating body strip segment group 106 are connected through the bending part 101, the innermost lower heat-generating body strip segment of the lower heat-generating body strip segment group 106 is connected with the adjacent inner heat-generating body strip group 1 through the bending part 101, the end of the heat-generating body strip segment located at the third process hole c or the fourth process hole c is close to the edge of the third process hole c or the edge of the fourth process hole c.
[0017] Preferably, the upper surface and the lower surface of the heat-generating body disc a are provided with an insulating layer 2 (such as mica sheet), the disc-shaped heat-generating body strip group 1 is clamped and placed between the panel 3 (aluminum alloy material) and the bottom plate 4 (aluminum alloy material), and is fixed through the rivet 5 penetrating the insulating layer 2, the panel 3, the bottom plate 4 and the process hole c, so as to make a heating disc.
[0018] Preferably, the panel 3 is in the shape of a cap, the heat-generating body disc a with the upper surface and the lower surface provided with the insulating layer 2 is placed in the inner cavity of the panel 3, the lower end port 301 of the cap-shaped panel 3 is turned inward, and the heat-generating body disc a with the upper surface and the lower surface provided with the insulating layer 2 is positioned in the inner cavity of the panel 3.
Claims
1. A heat disc, characterized by, The application discloses a disc-shaped heating body disc composed of a plurality of heating body strip groups, the disc-shaped heating body disc is divided into two halves, the connection of the two halves is a center line, each half of the disc-shaped heating body disc is composed of a plurality of heating body strip groups, the plurality of heating body strip groups are arranged from outside to inside, each heating body strip group is composed of one heating body strip segment or two heating body strip segments arranged in an up-down manner, the front and rear ends of each heating body strip group are close to the center line, the head and tail of each heating body strip segment of the plurality of heating body strip groups are sequentially connected through bending parts, so that the plurality of heating body strip segments are connected together, the heating body strip segments close to the center line of the two halves of the disc-shaped heating body disc are connected into an open ring, the two ends of the open ring of the heating body strip segments close to the center line of the two halves of the disc-shaped heating body disc are connected to the adjacent outer heating body strip segments through the bending parts, so that all the heating body strip segments of the two halves of the disc-shaped heating body disc are connected together, the head of the heating body strip segment far from the center line of the two halves of the disc-shaped heating body disc is a two-side input end of a power supply, and the disc-shaped heating body disc is integrally punched from a heating plate material.
2. The heat disc of claim 1, wherein, Process holes are arranged on four sides of the heating body disc, a first process hole is located at a middle position of a left side of the left half of the disc-shaped heating body disc, a second process hole is located at a middle position of a right side of the right half of the disc-shaped heating body disc, a third process hole and a fourth process hole are respectively located at a middle position of an upper portion and a middle position of a lower portion of the disc-shaped heating body disc, the heating body strip group located at the first process hole or the second process hole is composed of two heating body strip segments arranged in an up-down manner, so that the plurality of heating body strip groups located at the first process hole or the second process hole are composed of an upper heating body strip segment group composed of a plurality of upper heating body strip segments arranged from outside to inside and a lower heating body strip segment group composed of a plurality of lower heating body strip segments arranged from outside to inside, the bending part is a U-shaped bending part, the outermost upper heating body strip segment of the upper heating body strip segment group is connected to the adjacent outer heating body strip group through the bending part, the head and tail of each upper heating body strip segment of the upper heating body strip segment group are sequentially connected through the bending part, the innermost upper heating body strip segment of the upper heating body strip segment group is connected to the outermost lower heating body strip segment of the lower heating body strip segment group through a Z-shaped bending part, the head and tail of each lower heating body strip segment of the lower heating body strip segment group are sequentially connected through the bending part, the innermost lower heating body strip segment of the lower heating body strip segment group is connected to the adjacent inner heating body strip group through the bending part, and the end of the heating body strip segment located at the third process hole or the fourth process hole is close to the edge of the third process hole or the edge of the fourth process hole.
3. The heat disc of claim 2, wherein, The upper surface and the lower surface of the heating body disc are provided with insulating layers to clamp and place the heating body disc between a panel and a bottom plate, and rivets penetrating through the insulating layers, the panel, the bottom plate and the process holes are used for fixation to manufacture a heating disc.
4. The heat disc of claim 3, wherein, The panel is in a cap shape, the heating body disc provided with the insulating layers on the upper surface and the lower surface is placed in the inner cavity of the panel, the lower end of the cap-shaped panel is turned inward, and the heating body disc provided with the insulating layers on the upper surface and the lower surface is positioned in the inner cavity of the panel.