Ceramic heating body capable of heating uniformly

Abstract

The utility model relates to the technical field of ceramic heating bodies, in particular to a ceramic heating body with uniform heating, which comprises a lower shell, a plurality of heating coils with square frame structures are arranged at the inner bottom end of the lower shell, the plurality of heating coils are unequal in side length, the central points of the plurality of heating coils are overlapped, the plurality of heating coils are connected in series, and the plurality of heating coils are connected in series. The upper portion of the lower shell is detachably connected with a plurality of heating coils, gaps among the heating coils are filled with heat conduction strips, an upper cover is detachably connected to the upper portion of the lower shell, the gaps among the heating coils are filled with heat conduction strips, when the heating coils emit heat, firstly, heat is conducted to the heat conduction strips, and the gaps among the heating coils are filled with the heat conduction strips; the whole interior of the lower shell forms a heating body, heating is more uniform, meanwhile, the multiple heat conduction strips and the heating coils transmit heat to the heat conduction pieces, the heat conduction pieces become larger heat sources which are more evenly distributed, the heat can be evenly dissipated outwards, and uniform heating is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ceramic heating element technical field, concretely is a ceramic heating element of even heating. BACKGROUND

[0002] Ceramic heating element is a kind of high-efficiency energy-saving heating element formed by a series of special processes co-firing at 1600 DEG C high temperature with high thermal conductivity alumina porcelain as matrix and refractory metal as inner electrode to form heating circuit, it is fixed together by high-temperature sintering of electric heating element and ceramic, forms a new type of high-efficiency environmental protection energy-saving ceramic heating element;

[0003] But the existing ceramic heating element internal heating coil distribution is relatively uniform, but there is gap between coil, which leads to the poor heating uniformity of ceramic heating element when working, affects heating effect and efficiency. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of ceramic heating elements of even heating, with the characteristics of good heat conduction effect, heating is more uniform.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of ceramic heating element of even heating, including lower shell, the inside bottom of the lower shell is provided with a plurality of heating coils in square frame structure, the length of side of multiple heating coils is different and center point coincides and is arranged, multiple heating coils are connected in series, the gap between multiple heating coils is filled with heat conduction strip, the upper of the lower shell is detachably connected with upper cover, the upper end surface of multiple heating coils and heat conduction strip and upper cover are provided with heat conduction sheet.

[0006] To facilitate heat conduction sheet and multiple heating coils and heat conduction strip contact, as a kind of ceramic heating element of even heating of the utility model preferably, the height of multiple heating coils and heat conduction strip is identical.

[0007] To facilitate heat conduction to upper cover, as a kind of ceramic heating element of even heating of the utility model preferably, the upper end surface of the heat conduction sheet and the lower end surface of upper cover abut.

[0008] To improve heat conduction effect, as a kind of ceramic heating element of even heating of the utility model preferably, the heat conduction strip is heat-conducting silica gel, and the heat conduction sheet is copper.

[0009] To facilitate the dismounting of lower shell and upper cover, as a kind of ceramic heating element of even heating of the utility model preferably, the upper end surface periphery of the lower shell is equipped with a plurality of positioning holes, and the lower end surface periphery of the upper cover is fixedly connected with a plurality of positioning columns matched with the positioning holes.

[0010] In order to facilitate the power on, as a kind of ceramic heating body of the even heating of the utility model preferably, the outer wall of the heating coil is communicated with the connecting wire extending to the outside of lower shell.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] Multiple heating coils are connected in series, and can be heated by being communicated with external power supply through connecting wire, and multiple heating coils are in square frame structure, multiple heating coils are arranged with different side lengths and coincident center points, are uniformly distributed, improve the evenness of heating, and the gap between multiple heating coils is filled with heat conduction strip, when heating coil itself heats, first, heat is conducted to multiple heat conduction strips, multiple heat conduction strips fill the gap between heating coils, so that the inside of lower shell forms a heating body as a whole, and heating is more uniform, meanwhile, multiple heat conduction strips and heating coils transmit heat to heat conduction sheet, so that heat conduction sheet becomes larger and more uniformly distributed heat source, can make heat evenly radiate outward, realize even heating. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is overall front view of the utility model and is exploded structure diagram;

[0014] Fig. 2 It is lower shell of the utility model and is structure schematic diagram of top view.

[0015] In the drawing: 1, lower shell;2, heating coil;3, heat conduction strip;4, upper cover;5, heat conduction sheet;6, positioning hole;7, positioning column;8, connecting wire. DETAILED DESCRIPTION

[0016] Please refer to Figs. 1-2 A kind of ceramic heating body of the even heating, including lower shell 1, the inside bottom end of lower shell 1 is provided with multiple heating coils 2 in square frame structure, multiple heating coils 2 are arranged with different side lengths and coincident center points, multiple heating coils 2 are connected in series, the gap between multiple heating coils 2 is filled with heat conduction strip 3, the upper of lower shell 1 is detachably connected with upper cover 4, the upper end surface of multiple heating coils 2 and heat conduction strip 3 is provided with heat conduction sheet 5 between upper cover 4.

[0017] In the embodiment, the plurality of heating coils 2 are connected in series, and heating can be performed by connecting the connecting wires 8 to the external power supply; the plurality of heating coils 2 are in a square frame structure, the plurality of heating coils 2 have different side lengths and are arranged with the center points coinciding, are uniformly distributed, and the heating uniformity is improved; the gaps between the plurality of heating coils 2 are filled with the heat-conducting strips 3, when the heating coils 2 generate heat, the heat is first conducted to the plurality of heat-conducting strips 3, the plurality of heat-conducting strips 3 fill the gaps between the plurality of heating coils 2, so that the entire inside of the lower shell 1 forms a heating body, and the heating is more uniform; at the same time, the plurality of heat-conducting strips 3 and the heating coils 2 transmit the heat to the heat-conducting sheet 5, so that the heat-conducting sheet 5 becomes a larger and more uniformly distributed heat source, the heat can be uniformly radiated outward, and uniform heating is realized.

[0018] As a technical optimization scheme of the utility model, the plurality of heating coils 2 and the heat-conducting strips 3 have the same height.

[0019] In the embodiment, the plurality of heating coils 2 and the heat-conducting strips 3 have the same height, so that the upper end of the heat-conducting sheet 5 is in full contact with the plurality of heating coils 2 and the heat-conducting strips 3.

[0020] As a technical optimization scheme of the utility model, the upper end surface of the heat-conducting sheet 5 and the lower end surface of the upper cover 4 abut.

[0021] In the embodiment, the upper end surface of the heat-conducting sheet 5 and the lower end surface of the upper cover 4 abut, so that the heat-conducting sheet 5 can conduct the heat outward.

[0022] As a technical optimization scheme of the utility model, the heat-conducting strips 3 are heat-conducting silica gel, and the heat-conducting sheet 5 is metal copper.

[0023] In the embodiment, the heat-conducting strips 3 are heat-conducting silica gel, which has good heat-conducting effect, soft texture, deformability, easy processing, and is convenient for filling the gaps between the plurality of heating coils 2; the heat-conducting sheet 5 is metal copper, which has good heat-conducting performance and improves the overall heat-conducting effect.

[0024] As a technical optimization scheme of the utility model, a plurality of positioning holes 6 are formed in the upper end surface of the lower shell 1, and a plurality of positioning columns 7 matched with the positioning holes 6 are fixedly connected to the lower end surface of the upper cover 4.

[0025] In the embodiment, a plurality of positioning holes 6 are formed in the upper end surface of the lower shell 1, and a plurality of positioning columns 7 matched with the positioning holes 6 are fixedly connected to the lower end surface of the upper cover 4; the positioning columns 7 are inserted into the positioning holes 6, and the positioning columns 7 and the positioning holes 6 are tightly matched, so that the lower shell 1 and the upper cover 4 are buckled, which is convenient for disassembly and maintenance.

[0026] As a technical optimization scheme of the utility model, the outer wall of the heating coil 2 is connected with the connecting wire 8 extending to the outside of the lower shell 1.

[0027] In this embodiment: the outer wall of the heating coil 2 is communicated with a connecting wire 8 extending to the outside of the lower shell 1, which facilitates communication with the external power supply for heating.

[0028] Working principle: a plurality of heating coils 2 are connected in series, and can be heated by connecting the connecting wire 8 with the external power supply. The plurality of heating coils 2 are in a square frame structure, and the side lengths of the plurality of heating coils 2 are different and the center points are coincidentally arranged. The plurality of heating coils 2 are uniformly distributed, which improves the uniformity of heating. The gaps between the plurality of heating coils 2 are filled with heat-conducting strips 3. When the heating coil 2 generates heat, the heat is first conducted to the plurality of heat-conducting strips 3. The plurality of heat-conducting strips 3 fill the gaps between the plurality of heating coils 2, so that the inside of the lower shell 1 forms a heating body as a whole, and the heating is more uniform. At the same time, the plurality of heat-conducting strips 3 and the heating coil 2 transmit heat to the heat-conducting sheet 5, so that the heat-conducting sheet 5 becomes a larger and more uniformly distributed heat source. The heat can be uniformly radiated outward, and uniform heating is achieved.

[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ceramic heating element of uniform heating comprising a lower shell (1) characterized in that: The inside bottom end of the lower shell (1) is provided with a plurality of heating coils (2) in square frame structure, the plurality of heating coils (2) are arranged with different side lengths and coincident center points, the plurality of heating coils (2) are connected in series, the gaps between the plurality of heating coils (2) are filled with heat-conducting strips (3), the upper side of the lower shell (1) is detachably connected with an upper cover (4), and the upper ends of the plurality of heating coils (2) and heat-conducting strips (3) are provided with heat-conducting sheets (5) between the upper cover (4).

2. The ceramic heater according to claim 1, wherein: The plurality of heating coils (2) and heat-conducting strips (3) have the same height.

3. The ceramic heater according to claim 1, wherein: The upper end surface of the heat-conducting sheet (5) and the lower end surface of the upper cover (4) are in abutment.

4. The ceramic heater according to claim 1, wherein: The heat-conducting strips (3) are heat-conducting silica gel, and the heat-conducting sheets (5) are copper.

5. The ceramic heater according to claim 1, wherein: A plurality of positioning holes (6) are formed in the circumferential edge of the upper end surface of the lower shell (1), and a plurality of positioning columns (7) matched with the positioning holes (6) are fixedly connected to the circumferential edge of the lower end surface of the upper cover (4).

6. The ceramic heater according to claim 1, wherein: The outer wall of the heating coil (2) is connected with a connecting wire (8) extending to the outside of the lower shell (1).

Images