Improved ceramic heating module

Abstract

The utility model particularly relates to an improved ceramic heating module, which comprises a shell, a ceramic heating ring, a first conductive cap and a second conductive cap, and is characterized in that the first conductive cap comprises a first connecting ring and a first electrode pin; the second conductive cap comprises a second connecting ring and a second electrode pin; the ceramic heating ring is provided with a resistive film, the resistive film is in a strip shape and is wound around the peripheral face of the ceramic heating ring, and the upper end and the lower end of the resistive film are connected with the first connecting ring and the second connecting ring respectively. The shell comprises an upper mounting seat and a lower mounting seat, the upper mounting seat and the lower mounting seat are provided with a first annular containing groove and a second annular containing groove respectively, the upper portion of the ceramic heating ring and the first conductive cap are embedded in the first annular containing groove, and the lower portion of the ceramic heating ring and the second conductive cap are embedded in the second annular containing groove. The ceramic heating module is high in heat conduction efficiency, balanced in heat distribution, convenient to assemble and disassemble and high in safety.

Description

Technical Field

[0001] The utility model relates to the technical field of heating elements, in particular to an improved ceramic heating module. Background Art

[0002] Items such as electric mosquito coils and aromatherapy machines need to be equipped with heating elements during use. When the heating element is connected to the power supply, a certain amount of heat will be generated, so that the liquid medicine in the electric mosquito coils or aromatherapy machines will evaporate and produce effects. Ceramic heating elements have been widely used due to their advantages such as corrosion resistance, high temperature resistance, and good thermal conductivity. Ceramic heating elements in the prior art usually use a solid ceramic substrate and a resistive heating film arranged on one side of the ceramic substrate to generate heat and conduct heat, resulting in a higher temperature on the side of the ceramic substrate close to the resistive heating film, and a lower temperature on the part away from the resistive heating film, resulting in uneven temperature and heat distribution. In addition, the ceramic heating element needs to be assembled with a protective shell to form a heating module used in items such as electric mosquito coils and aromatherapy machines. There are often problems such as inconvenience in assembly and disassembly, which need to be further improved. Summary of the invention

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide an improved ceramic heating module, which has high thermal conductivity, balanced heat distribution, easy assembly and disassembly, and high safety.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: an improved ceramic heating module, comprising a shell, a ceramic heating ring, a first conductive cap, and a second conductive cap, wherein the first conductive cap comprises a first connecting ring connected to the upper end of the ceramic heating ring and a first electrode pin arranged on the first connecting ring; the second conductive cap comprises a second connecting ring connected to the lower end of the ceramic heating ring and a second electrode pin arranged on the second connecting ring; the ceramic heating ring is provided with a resistance film, the resistance film is in a strip shape and is wound around the outer peripheral surface of the ceramic heating ring, and the upper end and the lower end of the resistance film are respectively connected to the first connecting ring and the second connecting ring;

[0005] The shell includes an upper mounting seat and a lower mounting seat detachably connected to the lower end of the upper mounting seat, the cross-sections of the upper mounting seat and the lower mounting seat are both annular, and the upper mounting seat and the lower mounting seat are respectively provided with a first annular accommodating groove with an opening at the lower end and a second annular accommodating groove with an opening at the upper end, the upper part of the ceramic heating ring and the first conductive cover cap are embedded in the first annular accommodating groove, the lower part of the ceramic heating ring and the second conductive cover cap are embedded in the second annular accommodating groove, and the first electrode pin and the second electrode pin pass through the upper mounting seat and the lower mounting seat respectively. Furthermore, the upper mounting seat includes a first seat body and a first mounting portion connected to the lower end of the first seat body, the first seat body includes a first inner annular wall, a first outer annular wall surrounding the first inner annular wall, and an annular top plate connected between the first inner annular wall and the first outer annular wall, and the first annular accommodating groove is formed by the first inner annular wall, the first outer annular wall and the annular top plate; the lower mounting seat includes a second seat body and a second mounting portion connected to the upper end of the second seat body, the second seat body includes a second inner annular wall, a second outer annular wall surrounding the second inner annular wall, and an annular bottom plate connected between the second inner annular wall and the second outer annular wall, and the second annular accommodating groove is formed by the second inner annular wall, the second outer annular wall and the annular bottom plate; the first mounting portion and the second mounting portion are detachably connected.

[0006] Furthermore, the annular top plate and the annular bottom plate are respectively provided with a first pin hole and a second pin hole, the first electrode pin passes through the first pin hole and protrudes upward from the annular top plate, and the second electrode pin passes through the second pin hole and protrudes downward from the annular bottom plate.

[0007] Furthermore, the first mounting portion is provided with a clamping ring, which surrounds the lower end of the outer circumference of the first outer ring wall and extends downward; the second mounting portion includes an annular convex strip surrounding the upper end of the outer circumference of the second outer ring wall and an annular stop plate located between the annular convex strip and the outer circumference of the second outer ring wall, the inner annular surface and the outer annular surface of the annular stop plate are respectively connected to the lower end of the annular convex strip and the outer circumference of the second outer ring wall, and an annular clamping groove is formed between the annular convex strip and the first outer ring wall; the clamping ring is inserted into the annular clamping groove and abuts against the annular stop plate.

[0008] Furthermore, the first mounting portion is further provided with a first extension arm extending radially outward along the snap ring, the first extension arm is provided with a first installation hole, and the first extension arm is connected to the snap ring; the second mounting portion is further provided with a second extension arm extending radially outward along the annular convex strip, the second extension arm is provided with a second installation hole corresponding to the first installation hole, and the second extension arm is located below the first extension arm and connected to the annular convex strip.

[0009] Furthermore, the number of the first extension arms and the number of the second extension arms are both two, the two first extension arms are symmetrically arranged, the two second extension arms are symmetrically arranged, and the two second extension arms are respectively located at the lower ends of the corresponding first extension arms.

[0010] Furthermore, the first extension arm is provided with a positioning hole, and the second extension arm is provided with a positioning column for plugging into the corresponding positioning hole.

[0011] Furthermore, the first connecting ring includes a first sleeve portion sleeved on the upper end of the outer ring wall of the ceramic heating ring and a first stopping portion connected to the upper end of the first sleeve portion, the upper end surface of the ceramic heating ring abuts against the first stopping portion, the lower end of the first electrode pin is connected to the first stopping portion, and the first sleeve portion and the first stopping portion are both ring-shaped.

[0012] Furthermore, the second connecting ring includes a second sleeve portion sleeved on the lower end of the outer ring wall of the ceramic heating ring and a second stopping portion connected to the lower end of the second sleeve portion, the lower end surface of the ceramic heating ring abuts against the second stopping portion, the upper end of the second electrode pin is connected to the second stopping portion, and the second sleeve portion and the second stopping portion are both annular.

[0013] Furthermore, the first conductive cap and the second conductive cap are both metal conductive caps.

[0014] The beneficial effects of the utility model are as follows: the ceramic heating module of the utility model is provided with a ceramic heating ring and a first conductive cap and a second conductive cap are respectively mounted on both ends of the ceramic heating ring. When the first conductive cap and the second conductive cap are connected to an external power source, the resistance film generates heat and transfers the heat to the ceramic heating ring. The surface temperature of the ceramic heating ring increases, and multi-directional heat conduction can be achieved. Compared with traditional ceramic heating modules, the heat distribution is more balanced and the thermal conductivity efficiency is higher, which is beneficial to promoting the volatilization of liquid medicine of products such as electric mosquito coils or aromatherapy machines. After the ceramic heating ring is combined with the first conductive cap and the second conductive cap, the upper mounting seat and the lower mounting seat are used for packaging, which has good safety in use and does not affect the conduction of the resistance film with the external power source. The ceramic heating module is easy to assemble and disassemble and has good durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the ceramic heating module of the present utility model.

[0016] Figure 2 This is an exploded view of the ceramic heating module of the present utility model.

[0017] Figure 3 It is a structural schematic diagram of the connection between the ceramic heating ring, the first conductive cap and the second conductive cap.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the upper seat body of the utility model.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the lower seat body of the utility model.

[0020] The reference numerals include: 1, upper mounting seat; 11, first inner ring wall; 12, first outer ring wall; 13, first annular receiving groove; 14, snap ring; 15, first extension arm; 151, first mounting hole; 152, positioning hole; 16-annular top plate; 2, lower mounting seat; 21, second inner ring wall; 22, second outer ring wall; 23, second annular receiving groove; 24, annular convex strip; 25, annular snap groove; 26, second seat body; 27, second extension arm; 271, second mounting hole; 272, positioning column; 3, ceramic heating ring; 31-resistance film; 4, first conductive cap; 41, first connecting ring; 411, first sleeve portion 1; 412, first stop portion; 42, first electrode pin; 5, second conductive cover 5; 51, second connecting ring; 511, second sleeve portion; 52, second electrode pin. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0022] like Figure 1-5 As shown, an improved ceramic heating module comprises a shell, a ceramic heating ring 3, a first conductive cap 4, and a second conductive cap 5, wherein the first conductive cap 4 comprises a first connecting ring 41 connected to the upper end of the ceramic heating ring 3 and a first electrode pin 42 arranged on the first connecting ring 41; the second conductive cap 5 comprises a second connecting ring 51 connected to the lower end of the ceramic heating ring 3 and a second electrode pin 52 arranged on the second connecting ring 51; the ceramic heating ring 3 is provided with a resistor film 31, the resistor film 31 is in a strip shape and is wound around the outer peripheral surface of the ceramic heating ring 3, and the upper end and the lower end of the resistor film 31 are respectively connected to the first connecting ring 41 and the second connecting ring 51;

[0023] The shell includes an upper mounting seat 1 and a lower mounting seat 1 detachably connected to the lower end of the upper mounting seat. The cross-sections of the upper mounting seat 1 and the lower mounting seat 1 are both annular. The upper mounting seat 1 and the lower mounting seat 1 are respectively provided with a first annular accommodating groove 13 with an opening at the lower end and a second annular accommodating groove 23 with an opening at the upper end. The upper part of the ceramic heating ring 3 and the first conductive cover cap 4 are embedded in the first annular accommodating groove 13, and the lower part of the ceramic heating ring 3 and the second conductive cover cap 5 are embedded in the second annular accommodating groove 23. The first electrode pin 42 and the second electrode pin 52 pass through the upper mounting seat 1 and the lower mounting seat 1 respectively.

[0024] The ceramic heating module of the utility model is provided with a ceramic heating ring 3 and a first conductive cap 4 and a second conductive cap 5 are respectively sleeved on both ends of the ceramic heating ring 3. When the first conductive cap 4 and the second conductive cap 5 are respectively connected to an external power source through a first electrode pin 42 and a second electrode pin 52, the resistance film 31 generates heat and transfers the heat to the ceramic heating ring 3. The surface temperatures of the inner ring wall and the outer ring wall of the ceramic heating ring 3 increase, and heat conduction in a 360-degree direction can be achieved. Compared with the traditional ceramic heating module, the heat distribution is more balanced and the thermal conductivity is higher, which is beneficial to promote the volatilization of liquid medicine of products such as electric mosquito coils or aromatherapy machines. After the ceramic heating ring 3 is combined with the first conductive cap 4 and the second conductive cap 5, the utility model adopts an upper mounting seat 1 and a lower mounting seat 1 for packaging. The upper and lower parts of the ceramic heating ring 3 are respectively embedded in the upper mounting seat 1 and the lower mounting seat 1, which has a compact structure and good safety in use, and does not affect the conduction between the resistance film 31 and the external power source. The upper mounting seat 1 and the lower mounting seat 1 are easy to assemble and disassemble and have good durability.

[0025] Furthermore, the upper mounting seat 1 includes a first seat body and a first mounting portion connected to the lower end of the first seat body, the first seat body includes a first inner ring wall 11, a first outer ring wall 12 surrounding the first inner ring wall 11, and an annular top plate 16 connected between the first inner ring wall 11 and the first outer ring wall 12, the first annular receiving groove 13 is formed by the first inner ring wall 11, the first outer ring wall 12 and the annular top plate 16; the first mounting portion is connected to the lower end of the first outer ring wall 12; the lower mounting seat 1 includes a first inner ring wall 11, a first outer ring wall 12, and a first annular receiving groove 13 ... inner ring wall 11, the first outer ring wall 12, and the first annular receiving groove 13 are formed by the first inner ring wall 11, the first outer ring wall 12, and the annular top plate 16; the first mounting portion is connected to the lower end of the first outer ring wall 12; the lower mounting seat 1 includes a first inner ring wall 11, a first outer ring wall 12, and a first annular receiving groove 13; the first inner ring wall 11, the first outer ring wall 12, and the first annular receiving groove 13 are formed by the first inner ring wall 11, the first outer ring wall 12, and the first annular receiving groove 13; the first outer ring wall 12 is connected to the lower end of the first outer ring wall 12; the lower mounting seat 1 includes a first inner ring wall 11, a first outer ring wall 12, and a first annular receiving groove 13; the first inner ring wall 11, the first outer ring wall 12, and the first annular The second base body 26 and the second mounting part connected to the upper end of the second base body 26, the second base body 26 includes a second inner ring wall 21, a second outer ring wall 22 surrounding the second inner ring wall 21, and an annular bottom plate connected between the second inner ring wall 21 and the second outer ring wall 22, the second annular groove 23 is formed by the second inner ring wall 21, the second outer ring wall 22 and the annular bottom plate; the second mounting part is connected to the upper end of the second outer ring wall 21; the first mounting part and the second mounting part are detachably connected. Due to the arrangement of the above structure, the upper part of the ceramic heating ring 3 and the first conductive cap 4 can be firmly embedded in the first annular groove 13, the lower part of the ceramic heating ring 3 and the second conductive cap 5 can be firmly embedded in the second annular groove 23, the ceramic heating ring 3, the first conductive cap 4 and the second conductive cap 5 are not easy to move in the shell, the structure is simple and compact, and the design is reasonable.

[0026] Furthermore, the annular top plate 16 and the annular bottom plate are respectively provided with a first pin hole and a second pin hole, the first electrode pin 42 passes through the first pin hole and protrudes upward from the annular top plate 16, and the second electrode pin 52 passes through the second pin hole and protrudes downward from the annular bottom plate. The first electrode pin 42 extends from the upper end of the upper mounting seat 1 and extends upward, and the second electrode pin 52 extends from the lower end of the lower mounting seat 2 and extends downward, which facilitates the upper part of the ceramic heating ring 3 and the first conductive cap 4 to be upwardly installed in the upper mounting seat 1, and the lower part of the ceramic heating ring 3 and the second conductive cap 5 to be downwardly installed in the lower mounting seat 1, which is more conducive to the assembly and disassembly of the ceramic heating module.

[0027] Furthermore, the first mounting portion is provided with a clamping ring 14, which surrounds the lower end of the outer circumference of the first outer ring wall 12 and extends downward; the second mounting portion includes an annular ridge 24 surrounding the upper end of the outer circumference of the second outer ring wall 22 and an annular stop plate located between the annular ridge 24 and the outer circumference of the second outer ring wall 22, the inner annular surface and the outer annular surface of the annular stop plate are respectively connected to the lower end of the annular ridge 24 and the outer circumference of the second outer ring wall 22, and an annular groove 25 is formed between the annular ridge 24 and the first outer ring wall 12; the clamping ring 14 is inserted into the annular groove 25 and abuts against the annular stop plate.

[0028] Furthermore, the first mounting portion is further provided with a first extension arm 15 extending radially outward along the clamping ring 14, the first extension arm 15 is provided with a first installation hole 151, and the first extension arm 15 is connected to the clamping ring 14; the second mounting portion is further provided with a second extension arm 27 extending radially outward along the annular convex strip 24, the second extension arm 27 is provided with a second installation hole 271 corresponding to the first installation hole 151, and the second extension arm 27 is located below the first extension arm 15 and connected to the annular convex strip 24. When it is necessary to assemble the upper mounting seat 1 and the lower mounting seat 1, an external fastener can be used to pass through the first installation hole 151 and the second installation hole 271 in sequence to achieve a stable connection between the upper mounting seat 1 and the lower mounting seat 1, and it is also convenient for cleaning the ceramic heating module or repairing and replacing various components.

[0029] Furthermore, the number of the first extension arms 15 and the number of the second extension arms 27 are both two, the two first extension arms 15 are symmetrically arranged, the two second extension arms 27 are symmetrically arranged, and the two second extension arms 27 are respectively located at the lower ends of the corresponding first extension arms 15. The ceramic heating module is easy to install and has a stable connection.

[0030] Furthermore, the first extension arm 15 is also provided with a positioning hole 152, and the second extension arm 27 is provided with a positioning column 272 for plugging into the corresponding positioning hole 152. The positioning column 272 extends upward, and when the upper mounting seat 1 and the lower mounting seat 1 are assembled, the positioning column 272 is inserted into the corresponding positioning hole 152 to prevent the upper mounting seat 1 and the lower mounting seat 1 from relative movement in the lateral direction, so that the two are accurately aligned and easy to install.

[0031] In this embodiment, the first connecting ring 41 includes a first sleeve portion 411 sleeved on the upper end of the outer ring wall of the ceramic heating ring 3 and a first stop portion 412 connected to the upper end of the first sleeve portion 411, the upper end surface of the ceramic heating ring 3 abuts against the lower end surface of the first stop portion 412, the lower end of the first electrode pin 42 is connected to the first stop portion 412, and the first sleeve portion 411 and the first stop portion 412 are both ring-shaped. Due to the arrangement of the above structure, the upper end of the ceramic heating ring 32 is inserted into the first connecting ring 41 until its upper end surface abuts against the first stop portion 412, and the ceramic heating ring 32 is firmly connected to the first conductive cap 4, and relative displacement is not likely to occur, thereby improving the durability of the product.

[0032] The second connecting ring 51 includes a second sleeve portion 511 sleeved on the lower end of the outer ring wall of the ceramic heating ring 3 and a second stop portion connected to the lower end of the second sleeve portion 511, the lower end face of the ceramic heating ring 3 abuts against the upper end face of the second stop portion, the upper end of the second electrode pin 52 is connected to the second stop portion, and the second sleeve portion 511 and the second stop portion are both ring-shaped. The second conductive cap 5 and the first conductive cap 4 of this embodiment have the same structure. Due to the arrangement of the above structure, the lower end of the ceramic heating ring 32 is inserted into the second connecting ring 51 until its lower end face abuts against the second stop portion, and the ceramic heating ring 32 and the second conductive cap 5 are firmly connected, and relative displacement is not easy to occur, thereby improving the durability of the product.

[0033] In this embodiment, the first conductive cap 4 and the second conductive cap 5 are both metal conductive caps. The metal conductive caps have good mechanical properties and electrical conductivity, and improve the durability of the ceramic heating module.

[0034] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. An improved ceramic heating module, characterized in that: It comprises a shell, a ceramic heating ring, a first conductive cap and a second conductive cap, wherein the first conductive cap comprises a first connecting ring connected to the upper end of the ceramic heating ring and a first electrode pin arranged on the first connecting ring; the second conductive cap comprises a second connecting ring connected to the lower end of the ceramic heating ring and a second electrode pin arranged on the second connecting ring; the ceramic heating ring is provided with a resistance film, which is in a strip shape and is wound around the outer peripheral surface of the ceramic heating ring, and the upper end and the lower end of the resistance film are respectively connected to the first connecting ring and the second connecting ring; The shell includes an upper mounting seat and a lower mounting seat detachably connected to the lower end of the upper mounting seat, the cross-sections of the upper mounting seat and the lower mounting seat are both annular, and the upper mounting seat and the lower mounting seat are respectively provided with a first annular accommodating groove with an opening at the lower end and a second annular accommodating groove with an opening at the upper end, the upper part of the ceramic heating ring and the first conductive cover cap are embedded in the first annular accommodating groove, the lower part of the ceramic heating ring and the second conductive cover cap are embedded in the second annular accommodating groove, and the first electrode pin and the second electrode pin pass through the upper mounting seat and the lower mounting seat respectively.

2. The ceramic heating module according to claim 1, characterized in that: The upper mounting seat comprises a first seat body and a first mounting portion connected to the lower end of the first seat body, the first seat body comprising a first inner ring wall, a first outer ring wall surrounding the first inner ring wall, and an annular top plate connected between the first inner ring wall and the first outer ring wall, the first annular accommodating groove is formed by the first inner ring wall, the first outer ring wall and the annular top plate; the lower mounting seat comprises a second seat body and a second mounting portion connected to the upper end of the second seat body, the second seat body comprising a second inner ring wall, a second outer ring wall surrounding the second inner ring wall, and an annular bottom plate connected between the second inner ring wall and the second outer ring wall, the second annular accommodating groove is formed by the second inner ring wall, the second outer ring wall and the annular bottom plate; The first mounting portion is detachably connected to the second mounting portion.

3. The ceramic heating module according to claim 2, characterized in that: The annular top plate and the annular bottom plate are respectively provided with a first pin hole and a second pin hole. The first electrode pin passes through the first pin hole and protrudes upward from the annular top plate, and the second electrode pin passes through the second pin hole and protrudes downward from the annular bottom plate.

4. The ceramic heating module according to claim 2, characterized in that: The first mounting portion is provided with a clamping ring, which surrounds the lower end of the outer circumference of the first outer ring wall and extends downward; the second mounting portion includes an annular convex strip surrounding the upper end of the outer circumference of the second outer ring wall and an annular stop plate located between the annular convex strip and the outer circumference of the second outer ring wall, the inner annular surface and the outer annular surface of the annular stop plate are respectively connected to the lower end of the annular convex strip and the outer circumference of the second outer ring wall, and an annular clamping groove is formed between the annular convex strip and the first outer ring wall; the clamping ring is inserted into the annular clamping groove and abuts against the annular stop plate.

5. The ceramic heating module according to claim 2, characterized in that: The first mounting portion is also provided with a first extension arm extending radially outward along the clamping ring, the first extension arm is provided with a first mounting hole, and the first extension arm is connected to the clamping ring; the second mounting portion is also provided with a second extension arm extending radially outward along the annular convex strip, the second extension arm is provided with a second mounting hole corresponding to the first mounting hole, and the second extension arm is located below the first extension arm and connected to the annular convex strip.

6. The ceramic heating module according to claim 5, characterized in that: The number of the first extension arms and the second extension arms are both two, the two first extension arms are symmetrically arranged, the two second extension arms are symmetrically arranged, and the two second extension arms are respectively located at the lower ends of the corresponding first extension arms.

7. The ceramic heating module according to claim 5, characterized in that: The first extension arm is also provided with a positioning hole, and the second extension arm is provided with a positioning column for plugging into the corresponding positioning hole.

8. The ceramic heating module according to claim 2, characterized in that: The first connecting ring includes a first sleeve portion sleeved on the upper end of the outer ring wall of the ceramic heating ring and a first stopping portion connected to the upper end of the first sleeve portion, the upper end surface of the ceramic heating ring abuts against the first stopping portion, the first electrode pin is connected to the first stopping portion, and the first sleeve portion and the first stopping portion are both ring-shaped.

9. The ceramic heating module according to claim 8, characterized in that: The second connecting ring includes a second sleeve portion sleeved on the lower end of the outer ring wall of the ceramic heating ring and a second stopping portion connected to the lower end of the second sleeve portion. The lower end surface of the ceramic heating ring abuts against the second stopping portion, and the second electrode pin is connected to the second stopping portion. The second sleeve portion and the second stopping portion are both ring-shaped.

10. The ceramic heating module according to claim 1, characterized in that: The first conductive cap and the second conductive cap are both metal conductive caps.

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