CN-224218535-U - Ceramic heating element for water heating

CN224218535UCN 224218535 UCN224218535 UCN 224218535UCN-224218535-U

Abstract

The utility model discloses a ceramic heating body for water heating, which comprises an upper ceramic layer, a lower ceramic layer and a tungsten slurry heating circuit arranged on opposite sides of the upper ceramic layer and the lower ceramic layer, wherein the upper side surface of the upper ceramic layer is provided with a plurality of first spherical protrusions in a rectangular array, the outer side surface of each spherical protrusion is provided with a tungsten slurry heating layer, the tungsten slurry heating layer is communicated with the tungsten slurry heating circuit, the upper side surface of the upper ceramic layer is provided with an outer ceramic layer, the upper side surface of the outer ceramic layer is provided with a plurality of second spherical protrusions, the lower side surface of the outer ceramic layer is provided with a plurality of spherical grooves, the first spherical protrusions, the second spherical protrusions and the spherical grooves are consistent in number and correspond to each other vertically, the first spherical protrusions are in contact with the inner side surfaces of the spherical grooves, two electrode holes are formed in a penetrating mode in the upper ceramic layer, two electrode holes are respectively formed in two ends of the tungsten slurry heating circuit, and power-on assemblies connected with the tungsten slurry heating circuit are arranged in the electrode holes.

Inventors

SHEN MAOLIN
LI YAFENG
ZHANG XIAOMING

Assignees

郑州嵩鑫电子科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250603

Claims (4)

1. The ceramic heating body for water heating comprises an upper ceramic layer, a lower ceramic layer and a tungsten slurry heating circuit arranged on opposite sides of the upper ceramic layer and the lower ceramic layer, and is characterized in that the upper side of the upper ceramic layer is provided with a plurality of first spherical protrusions in a rectangular array, the outer side of each first spherical protrusion is provided with a tungsten slurry heating layer, the tungsten slurry heating layer is electrically connected with the tungsten slurry heating circuit, the upper side of the upper ceramic layer is provided with an outer coating ceramic layer, the upper side of the outer coating ceramic layer is provided with a plurality of second spherical protrusions, the lower side of the outer coating ceramic layer is provided with a plurality of spherical grooves, the number of the first spherical protrusions, the number of the second spherical protrusions and the number of the spherical grooves are consistent, the positions of the first spherical protrusions are corresponding up and down, and the first spherical protrusions are in contact with the inner side of the spherical grooves; The upper ceramic layer is communicated with two electrode holes, the two electrode holes are respectively arranged at two ends of the tungsten paste heating circuit, and an energizing assembly connected with the tungsten paste heating circuit is arranged in the electrode holes.
2. The ceramic heater for water heating according to claim 1, wherein the energizing assembly comprises an electrode plate arranged in the electrode hole and a nickel wire arranged on the electrode plate, one end of the nickel wire, which is far away from the electrode plate, is connected with an external power supply, and the electrode plate is in contact with the end part of the tungsten paste heating circuit.
3. A ceramic heating element for water heating according to claim 2, wherein the outer side of the nickel wire is coated with a Teflon sleeve.
4. A ceramic heating element for water heating as set forth in claim 1, wherein the upper ceramic layer, the lower ceramic layer and the outer ceramic layer are all alumina ceramics.

Description

Ceramic heating element for water heating Technical Field The utility model belongs to the technical field of ceramic heating elements, and relates to a ceramic heating element for water heating. Background With the continuous improvement of the requirements of society on energy conservation, environmental protection and high-efficiency heat energy utilization, the water heating system is widely applied to places such as families, office buildings, business centers and the like, and in the traditional water heating system, a heating body mainly adopts a metal heating tube or a traditional ceramic heating body. The Chinese patent with the bulletin number of CN204598339U discloses a sheet ceramic heating element, which comprises a ceramic matrix, wherein a heating circuit and an electrode lead are arranged on the surface of the ceramic matrix, the heating circuit is printed on the surface of the ceramic matrix, an insulating layer is arranged on the surface of the heating circuit, the ceramic matrix is of a sheet structure, the heating circuit and the heating area of the heating element in the technical scheme are smaller, the efficiency is lower during heating, and inconvenience is likely to occur during use. Disclosure of utility model Aiming at the problems, the utility model provides a ceramic heating element for water heating, which well solves the problems in the prior art. In order to achieve the purpose, the ceramic heating body for water heating comprises an upper ceramic layer, a lower ceramic layer and a tungsten slurry heating circuit arranged on opposite sides of the upper ceramic layer and the lower ceramic layer, wherein the upper side surface of the upper ceramic layer is provided with a plurality of first spherical protrusions in a rectangular array, the outer side surface of each first spherical protrusion is provided with a tungsten slurry heating layer, the tungsten slurry heating layer is electrically connected with the tungsten slurry heating circuit, the upper side surface of the upper ceramic layer is provided with an outer coating ceramic layer, the upper side surface of the outer coating ceramic layer is provided with a plurality of second spherical protrusions, the lower side surface of the outer coating ceramic layer is provided with a plurality of spherical grooves, the number of the first spherical protrusions, the number of the second spherical protrusions and the number of the spherical grooves are identical, the positions of the first spherical protrusions correspond up and down, and the first spherical protrusions are in contact with the inner side surfaces of the spherical grooves; The upper ceramic layer is communicated with two electrode holes, the two electrode holes are respectively arranged at two ends of the tungsten paste heating circuit, and an energizing assembly connected with the tungsten paste heating circuit is arranged in the electrode holes. Further, the power-on assembly comprises an electrode plate arranged in the electrode hole and a nickel wire lead arranged on the electrode plate, one end of the nickel wire lead, far away from the electrode plate, is connected with an external power supply, and the electrode plate is in contact with the end part of the tungsten paste heating circuit. Further, the outer side of the nickel wire is coated with a teflon sleeve. Further, the upper ceramic layer, the lower ceramic layer and the outer ceramic layer are all made of aluminum oxide ceramic. Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the contact area of the ceramic heating element and the outside and the heating area in the ceramic heating sheet are improved through the first spherical bulge and the second spherical bulge, the heating efficiency of the ceramic heating element is further improved, the current is conveyed through the power-on assembly, and the reliability of the ceramic heating element in use is ensured. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a schematic diagram of a heating circuit of the tungsten paste of the present utility model; Fig. 3 is a front view of the present utility model. In the figure, the ceramic layer 1, the upper ceramic layer 101, the first spherical bulge, the lower ceramic layer 2, the tungsten paste heating circuit 3, the outer ceramic layer 4, the second spherical bulge 402, the spherical groove 5, the electrode plate 6, the nickel wire lead and the teflon sleeve are arranged. Detailed Description The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model with