A combined ceramic heating body for small household electric oven

Abstract

The utility model discloses a combined ceramic heating body for a small household electric oven, comprising a plurality of alumina ceramic substrates combined and applied to the small household electric oven, the alumina ceramic substrate is divided into a heating zone, a first wiring zone and a second wiring zone, the first wiring zone and the second wiring zone are respectively located at the two ends of the heating zone, the heating zone is printed with a heating circuit, and the two ends of the alumina ceramic substrate are respectively provided with the first wiring circuit and the second wiring circuit. The beneficial effect of the utility model is that by providing the heating zone, the first wiring zone and the second wiring zone on the alumina ceramic substrate, the heating zone and the wiring zone are clearly distinguished, and the heating circuits of the heating zone are evenly distributed, which has the effect of uniform heating and high heating efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic heating bodies, in particular to a combined ceramic heating body used for a small household electric oven. Background Art

[0002] High temperature fired ceramic heater is a new generation of medium and low temperature heating element produced by printing resistor paste directly on AL203 alumina ceramic green body, firing at a high temperature of about 1600℃, and then processing electrodes and leads. It is another new generation product after alloy heating wire and PTC heating element. It is widely used in many fields that require medium and low temperature heating, such as daily life, industrial and agricultural technology, communications, medical treatment, environmental protection, etc.

[0003] The existing ceramic heating plate has unclear distinction between the heating area and the wiring area, and the wiring distribution in the heating area is uneven, which easily leads to uneven heating and affects the heating efficiency. Utility Model Content

[0004] The utility model aims to provide a combined ceramic heating body for a small household electric oven, so as to solve the technical problems in the prior art that the heating zone and the wiring zone are not clearly distinguished, the circuit distribution in the heating zone is uneven, which easily leads to uneven heating and affects the heating efficiency.

[0005] In order to achieve the above purpose, the utility model is implemented by adopting the following technical solutions:

[0006] A combined ceramic heating body for a small household electric oven comprises a plurality of alumina ceramic substrates which are combined and applied to the small household electric oven. The alumina ceramic substrate is divided into a heating zone, a first wiring zone and a second wiring zone. The first wiring zone and the second wiring zone are respectively located at two ends of the heating zone. A heating circuit is printed on the heating zone. The first wiring circuit and the second wiring circuit are respectively provided at two ends of the alumina ceramic substrate.

[0007] Furthermore, the alumina ceramic substrate is in a strip shape, and both ends of the alumina ceramic substrate are provided with chamfers.

[0008] Furthermore, the heating circuit is evenly distributed in an S-shaped tortuous shape.

[0009] Furthermore, the first wiring circuit and the second wiring circuit are respectively connected to two ends of the heating circuit.

[0010] The beneficial effects of the utility model are as follows:

[0011] The utility model provides a heating zone, a first wiring zone and a second wiring zone on an alumina ceramic substrate, so that the heating zone and the wiring zone are clearly distinguished, and the heating circuits in the heating zone are evenly distributed, thereby achieving the effects of uniform heating and high heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the alumina ceramic substrate of the utility model.

[0013] Figure 2 It is a schematic diagram of the heating circuit of the utility model.

[0014] Figure 3 It is a schematic diagram of a combined ceramic heating body of the utility model.

[0015] Figure 4 This is a schematic diagram of another combined ceramic heating body of the present invention.

[0016] Notes in the figure: 1. Alumina ceramic substrate; 2. Heating zone; 3. First wiring zone; 4. Second wiring zone; 5. Heating circuit; 6. First wiring circuit; 7. Second wiring circuit. DETAILED DESCRIPTION

[0017] In order to make the above-mentioned purposes, features and advantages of the utility model more understandable, the specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0018] In the description of the present invention, it should be understood that the terms up, down, front, back, left, right, top, bottom, inside, outside, etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0019] The examples are as follows:

[0020] See also Figure 1-4A combined ceramic heating body for a small household electric oven comprises a plurality of alumina ceramic substrates 1 which are combined and applied to the small household electric oven. The alumina ceramic substrate 1 is divided into a heating zone 2, a first wiring zone 3 and a second wiring zone 4. The alumina ceramic substrate 1 is in a strip shape. Both ends of the alumina ceramic substrate 1 are provided with chamfers. The first wiring zone 3 and the second wiring zone 4 are respectively located at the two ends of the heating zone 2. A heating circuit 5 is printed on the heating zone 2. The heating circuit 5 is evenly distributed in an S-shaped tortuous manner. A first wiring circuit 6 and a second wiring circuit 7 are respectively provided at both ends of the alumina ceramic substrate 1. The first wiring circuit 6 is provided on the first wiring zone 3, and the second wiring circuit 7 is provided on the second wiring zone 4. The first wiring circuit 6 and the second wiring circuit 7 are respectively connected to the two ends of the heating circuit 5.

[0021] As an optional technical solution of the present utility model: multiple alumina ceramic substrates 1 are divided into one alumina ceramic substrate 1 and multiple groups of alumina ceramic substrates 1, the length of the heating zone 2 on each group of alumina ceramic substrates 1 decreases successively, and each group of alumina ceramic substrates 1 is provided with two alumina ceramic substrates 1 with the same length of the heating zone 2. Multiple alumina ceramic substrates 1 can be combined into an approximately circular heating area, and can be combined and arranged according to heating needs to reduce energy waste.

[0022] In summary: by arranging the heating zone 2, the first wiring zone 3 and the second wiring zone 4 on the alumina ceramic substrate 1, the heating zone 2 and the wiring zone are clearly distinguished, and the heating circuit 5 of the heating zone 2 is evenly distributed, which has the effect of uniform heating and high heating efficiency.

[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A combined ceramic heating body for a small household electric oven, comprising a plurality of alumina ceramic substrates combined for use in a small household electric oven, characterized in that: The alumina ceramic substrate is divided into a heating zone, a first wiring zone and a second wiring zone. The first wiring zone and the second wiring zone are respectively located at the two ends of the heating zone. The heating zone is printed with a heating circuit. The first wiring circuit and the second wiring circuit are respectively arranged at the two ends of the alumina ceramic substrate.

2. A combined ceramic heating body for a small household electric oven according to claim 1, characterized in that: The alumina ceramic substrate is in a strip shape, and both ends of the alumina ceramic substrate are provided with chamfers.

3. The combined ceramic heating body for a small household electric oven according to claim 1, characterized in that: The heating circuit is evenly distributed in an S-shaped tortuous shape.

4. The combined ceramic heating body for a small household electric oven according to claim 1, characterized in that: The first wiring circuit and the second wiring circuit are respectively connected to two ends of the heating circuit.

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