Ceramic heating combined device

Abstract

The utility model particularly relates to a ceramic heating combined device, which comprises a mounting seat and two ceramic heating bodies, the ceramic heating body comprises an annular ceramic base body, a first conductive cap and a second conductive cap. The first conductive cap and the second conductive cap are both provided with plug pins, a resistance heating film is arranged on the outer ring wall of the annular ceramic base body, the resistance heating film is in a strip shape and is wound around the periphery of the annular ceramic base body, and the resistance heating film is connected with the first conductive cap and the second conductive cap; the two side ends of the installation base are respectively provided with a protection shell, an annular groove is formed between the annular inner shell and the annular outer shell, the annular ceramic base body, the first conductive cover cap and the second conductive cover cap are all arranged in the annular groove, and the plug-in pins protrude out of the protection shells. According to the ceramic heating combined device, through the two annular ceramic heating bodies distributed at intervals, the two ceramic heating bodies can work at the same time or alternately and independently, the use convenience and the heat conduction efficiency of the product are improved, and heating is uniform, efficient and energy-saving in the use process.

Description

Technical Field

[0001] The utility model relates to the technical field of heating elements, in particular to a ceramic heating combination device. Background Art

[0002] With the development of economy and the progress of society, people often use products such as aromatherapy machines and electric mosquito repellents in daily life. When these products are in use, heating elements are often required to generate heat, so that the liquid medicine of other products such as aromatherapy machines or electric mosquito repellents volatilizes and then takes effect. At present, ceramic heating elements have been widely used in products such as aromatherapy machines and electric mosquito repellents. However, the existing ceramic heating elements usually generate heat and conduct heat through a metal film material arranged on one side of the ceramic shell. The temperature of the part of the ceramic heating element close to the metal film material is relatively high, and the temperature of the part far from the metal film material is relatively high. The temperature and heat are not balanced. The existing ceramic heating devices often adopt the above single ceramic heating element, which has problems such as low heating efficiency and short service life, and needs to be further improved. Summary of the Invention

[0003] In order to overcome the disadvantages and deficiencies existing in the prior art, the purpose of the utility model is to provide a ceramic heating combination device. The ceramic heating combination device is provided with two annular ceramic heating elements distributed at intervals. The two ceramic heating elements can work simultaneously or alternately independently, which improves the use convenience and heat conduction efficiency of the product. When the ceramic heating combination device is in use, the heating is uniform, energy-saving and efficient.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: a ceramic heating combination device, comprising a mounting base and two ceramic heating elements; the ceramic heating element comprises an annular ceramic base body, a first conductive cap and a second conductive cap sleeved on the upper end and the lower end of the annular ceramic base body respectively; the first conductive cap and the second conductive cap are both provided with insertion pins, a resistance heating film is arranged on the outer ring wall of the annular ceramic base body, the resistance heating film is in a strip shape and wound around the outer periphery of the annular ceramic base body, and the upper end and the lower end of the resistance heating film are respectively connected with the first conductive cap and the second conductive cap;

[0005] Protection shells are respectively arranged at both ends of the mounting base. The protection shell comprises an annular inner shell, an annular outer shell surrounding the outer periphery of the annular inner shell, and a top plate and a bottom plate respectively connecting the upper end and the lower end of the annular inner shell and the annular outer shell. An annular groove is arranged between the annular inner shell and the annular outer shell. The annular ceramic base body, the first conductive cap and the second conductive cap are all arranged in the annular groove, and the insertion pins protrude out of the protection shell.

[0006] Further, pin fixing parts are respectively arranged at two side ends of the mounting base. The plug pins extend forward. Pin limiting grooves for accommodating the plug pins are arranged at the upper and lower ends of the two pin fixing parts. The pin fixing parts are connected to the front ends of the corresponding protective cases.

[0007] Further, the mounting base further includes a connecting part. Both side ends of the connecting part are connected to a pin fixing part and a protective case.

[0008] Further, a first avoidance groove penetrating through the annular outer shell and / or the top plate is arranged at the upper end of the protective case. A second avoidance groove penetrating through the annular outer shell and / or the bottom plate is arranged at the lower end of the protective case. The first conductive cap and the second conductive cap are respectively exposed in the first avoidance groove or the second avoidance groove.

[0009] Further, the pin fixing part is provided with a first positioning post extending forward. The first positioning post is used for plugging with an external circuit board.

[0010] Further, a second positioning post for extending forward is arranged at the front end of the connecting part. The second positioning post is used for plugging with an external circuit board.

[0011] Further, an extension arm is arranged at the front end of the connecting part. The extension arm includes a first extension part arranged at the upper end of the connecting part and protruding upward, and a second extension part connected to the upper end of the first extension part and protruding forward. The second positioning post is arranged at the front end of the second extension part.

[0012] Further, an extension arm is arranged at the front end of the connecting part. The extension arm is arranged at the upper end of the connecting part and protrudes forward. The second positioning post is arranged at the front end of the extension arm.

[0013] Further, the protective case is a plastic protective case.

[0014] Further, the mounting seat is a plastic mounting seat, and the plastic mounting seat is integrally formed.

[0015] Further, the two protective cases are respectively connected to the rear ends of the two side ends of the connecting part. A buckle for clamping with an external device is arranged at the rear end of the connecting part. The buckle is located between the two protective cases.

[0016] Beneficial effects of the utility model: The ceramic heating combination device of the utility model is provided with two ceramic heating elements distributed at intervals, and the two ceramic heating elements can work simultaneously or work alternately and separately, thereby improving the convenience of use and thermal conductivity of the product. The ceramic heating element includes an annular ceramic substrate and a resistive heating film is provided on the annular shell of the protective shell. When the plug pin is connected to the external power supply, the resistive heating film generates heat and transfers the heat to the annular ceramic substrate 2. The annular annular ceramic substrate can achieve multi-directional heating, and the temperature of the protective shell covering the annular ceramic substrate increases accordingly. Compared with the heating element in the prior art, the heat is uniform, the thermal conductivity is high, and it is more energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the ceramic heating combination device of Example 1.

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the ceramic heating combination device of Example 1 from another perspective.

[0019] Figure 3 It is a schematic structural diagram of the annular ceramic substrate of Example 1 combined with the first conductive cap and the second conductive cap.

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the ceramic heating combination device of Example 2.

[0021] The reference numerals in the drawings include: 1. mounting seat; 11. protective shell; 111. annular outer shell; 112. annular inner shell; 113. first avoidance groove 113; 114. inner shell cavity; 12. connecting portion; 121. extension arm; 1211. first extension portion; 1212. second extension portion; 122. second positioning column; 123. buckle; 13. pin fixing portion; 131. pin limiting groove 131; 132. first positioning column; 2. ceramic heating element; 21. annular ceramic substrate; 22. first conductive cap; 23. second conductive cap; 24. plug-in pin; 25. resistive heating film. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] like Figures 1-3As shown in the figure, a ceramic heating combination device includes a mounting base 1 and two ceramic heating elements 2; the ceramic heating element 2 includes an annular ceramic substrate 21, a first conductive cap 22 and a second conductive cap 23 sleeved on the upper and lower ends of the annular ceramic substrate 21 respectively; the first conductive cap 22 and the second conductive cap 23 are both provided with insertion pins 24, a resistive heating film 25 is arranged on the outer ring wall of the annular ceramic substrate 21, the resistive heating film 25 is in strip shape and spirally wound around the outer periphery of the annular ceramic substrate 21, the upper and lower ends of the resistive heating film 25 are respectively connected to the first conductive cap 22 and the second conductive cap 23; the first conductive cap 22 and the second conductive cap 23 are both metal caps;

[0025] Protection shells 11 are respectively arranged at both side ends of the mounting base 1, the protection shell 11 includes an annular inner shell 112, an annular outer shell 111 surrounding the outer periphery of the annular inner shell 112, and a top plate and a bottom plate respectively connecting the upper and lower ends of the annular inner shell 112 and the annular outer shell 111, an annular groove is arranged between the annular inner shell 112 and the annular outer shell 111, the annular ceramic substrate 21, the first conductive cap 22 and the second conductive cap 23 are all arranged in the annular groove, and the insertion pins 24 protrude out of the protection shell 11.

[0026] In this embodiment, the annular inner shell 112, the annular outer shell 111, the top plate and the bottom plate of the protection shell 11 enclose to form an annular groove, and the annular ceramic substrate 21, the first conductive cap 22 and the second conductive cap 23 are all arranged in the annular groove. The inner shell cavity 114 formed by enclosing the annular inner shell 112 can be used to accommodate an external oil guiding core for guiding out liquid medicine, and the oil guiding core can be an essential oil cotton core or other oil guiding components. The ceramic heating combination device of the present utility model improves the use convenience and heat conduction efficiency of the product by arranging two ceramic heating elements 2 distributed at intervals, and the two ceramic heating elements 2 can work simultaneously or alternately independently. The ceramic heating element 2 includes an annular ceramic substrate 21 and a resistive heating film 25 is arranged on the annular outer shell 111 of the protection shell 11. After the insertion pins 24 are connected to an external power source, the resistive heating film 25 generates heat and transfers the heat to the annular ceramic substrate 21. The annular ceramic substrate 21 can realize multi-directional heating, and the temperature of the protection shell 11 covering the annular ceramic substrate 21 rises accordingly. Compared with the heating element in the prior art, the ceramic heating element 2 in this embodiment has uniform heating, high heat conduction efficiency and is more energy-saving.

[0027] Furthermore, pin fixing portions 13 are respectively provided at both side ends of the mounting base 1. The insertion pins 24 extend forward. Pin limiting grooves 131 for accommodating the insertion pins 24 are provided at both the upper and lower ends of the two pin fixing portions 13. The pin fixing portions 13 are connected to the front ends of the corresponding protective cases 11. The pin limiting grooves 131 are used for the corresponding insertion pins 24 to pass through, playing a good role in positioning and protecting the insertion pins.

[0028] Furthermore, the mounting base 1 further includes a connecting portion 12. Both side ends of the connecting portion 12 are connected to a pin fixing portion 13 and a protective case 11 respectively. The pin fixing portion 13 and the protective case 11 are respectively connected to the front ends of the side ends of the connecting portion 12, with a compact structure and reasonable arrangement.

[0029] Furthermore, a first avoidance groove 113 penetrating through the annular outer shell 111 and / or the top plate is provided at the upper end of the protective case 11, and a second avoidance groove penetrating through the annular outer shell 111 and / or the bottom plate is provided at the lower end of the protective case 11. The first conductive cap 22 and the second conductive cap 23 are respectively exposed in the first avoidance groove 113 or the second avoidance groove. In this embodiment, the first avoidance groove 113 and the second avoidance groove can be respectively used for the wires or other components connected to the first conductive cap 223 and the second conductive cap 234 to pass through, and can help to achieve the alignment between the ceramic heating combination device and the external device. The number of the first avoidance groove 113 and the second avoidance groove of the present utility model can be one or more.

[0030] Furthermore, the pin fixing portion 13 is provided with a first positioning post 132 extending forward, and the first positioning post 132 is used for plugging with an external circuit board. The front end of the connecting portion 12 is provided with a second positioning post 122 extending forward, and the second positioning post 122 is used for plugging with an external circuit board. In this embodiment, the front end of the connecting portion 12 is provided with an extension arm 121. The extension arm 121 includes a first extension portion 1211 provided at the upper end of the connecting portion 12 and protruding upward and a second extension portion 1212 connected to the upper end of the first extension portion 1211 and protruding forward. The second positioning post 122 is provided at the front end of the second extension portion 1212. In this embodiment, the extension arm 121 is in an L shape or generally in an L shape, and the second positioning post 122 and the two first positioning posts 132 are distributed in a triangular shape, which is convenient for plugging with an external device and has a firm connection.

[0031] Further, the protective housing 11 is a plastic protective housing 11. In this embodiment, the material of the resistive heating film 25 is composed of a composite of stannic antimonate, nickel oxide, boron, and silicon, or composed of stannic antimonate, nickel oxide, boron, and silicon and other raw materials in combination, and has good high-temperature resistance characteristics and an extremely low resistance value change rate. In this embodiment, the material of the resistive heating film 25 is a material existing in the prior art and is used here as an application. The protective housing 11 is formed by hot injection molding using PPS material or other high-temperature resistant plastic materials in the prior art, and has good insulation, which is used here as an application. Further, the mounting base 1 is a plastic mounting base 1.

[0032] Further, the two protective housings 11 are respectively connected to the rear ends of both sides of the connecting portion 12; a buckle 123 for engaging with an external device is provided at the rear end of the connecting portion 12, and the buckle 123 is located between the two protective housings 11. In this embodiment, the two protective housings 11 are spaced apart and are both located on the same side of the mounting base 1, and the two are symmetric with each other, which is convenient for production, processing, and use. The buckle 123 can be engaged with an external device, which is convenient for fixing the ceramic heating combination device, and the structural design is reasonable. The two spaced-apart ceramic heating elements 2 can work simultaneously or alternately independently, improving the use convenience of the product.

[0033] Embodiment 2

[0034] As Figure 4 shown, in this embodiment, a protruding arm 121 is provided at the front end of the connecting portion 12. The protruding arm 121 is provided at the upper end of the connecting portion 12 and protrudes forward, and the second positioning post 122 is provided at the front end of the protruding arm 121; that is, the difference between this embodiment and Embodiment 1 is that the protruding arm 121 of Embodiment 1 does not include a first protruding portion 1211, and the second protruding arm 121 is directly connected to the upper end of the connecting portion 12 and protrudes forward. The second positioning post 122 of this embodiment and the two first positioning posts 132 are distributed in a triangular shape, which is convenient for inserting into an external device and has a firm connection. Figure 4 The insertion pins 24 provided in the pin limiting grooves 131 are not shown in the figure. Those skilled in the art can set the specific structure of the connecting portion 12 according to the specific situation of the external device cooperating with the ceramic heating combination device, so as to facilitate the accurate alignment and connection of the second positioning post 122 and the two first positioning posts 132 with the external device. The rest of the content of this embodiment is the same as that of Embodiment 1.

[0035] The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. The content of this specification should not be construed as a limitation to the present invention.

Claims

1. A ceramic heating combination device, characterized in that: It includes a mounting base and two ceramic heating elements; each ceramic heating element includes an annular ceramic substrate, a first conductive cap and a second conductive cap sleeved on the upper and lower ends of the annular ceramic substrate respectively; the first conductive cap and the second conductive cap are both provided with insertion pins, a resistive heating film is arranged on the outer ring wall of the annular ceramic substrate, the resistive heating film is strip-shaped and wound around the outer periphery of the annular ceramic substrate, and the upper and lower ends of the resistive heating film are respectively connected to the first conductive cap and the second conductive cap; Protection cases are respectively arranged at both side ends of the mounting base, each protection case includes an annular inner case, an annular outer case surrounding the outer periphery of the annular inner case, and a top plate and a bottom plate respectively connecting the upper and lower ends of the annular inner case and the annular outer case, an annular groove is arranged between the annular inner case and the annular outer case, the annular ceramic substrate, the first conductive cap and the second conductive cap are all arranged in the annular groove, and the insertion pins protrude out of the protection case.

2. The ceramic heating combination device according to claim 1, characterized in that: Pin fixing parts are respectively arranged at both side ends of the mounting base, the insertion pins extend forward, pin limiting grooves for accommodating the insertion pins are arranged at the upper and lower ends of both pin fixing parts, and the pin fixing parts are connected to the front ends of the corresponding protection cases.

3. The ceramic heating combination device according to claim 2, wherein: The mounting base further includes a connecting part, and both side ends of the connecting part are connected to a pin fixing part and a protection case respectively.

4. The ceramic heating combination device according to claim 1, wherein: A first avoidance groove penetrating the annular outer case and / or the top plate is arranged at the upper end of the protection case, a second avoidance groove penetrating the annular outer case and / or the bottom plate is arranged at the lower end of the protection case, and the first conductive cap and the second conductive cap are respectively exposed in the first avoidance groove or the second avoidance groove.

5. The ceramic heating combination device according to claim 2, wherein: The pin fixing part is provided with a first positioning post extending forward, and the first positioning post is used for being inserted into an external circuit board.

6. The ceramic heating combination device according to claim 3, characterized in that: The front end of the connecting part is provided with a second positioning post for extending forward, and the second positioning post is used for being inserted into an external circuit board.

7. The ceramic heating combination device according to claim 6, wherein: The front end of the connecting part is provided with an extension arm, the extension arm includes a first extension part arranged at the upper end of the connecting part and protruding upward, and a second extension part connected to the upper end of the first extension part and protruding forward, and the second positioning post is arranged at the front end of the second extension part.

8. The ceramic heating combination device according to claim 6, characterized in that: The front end of the connecting part is provided with an extension arm, the extension arm is arranged at the upper end of the connecting part and protrudes forward, and the second positioning post is arranged at the front end of the extension arm.

9. The ceramic heating combination device according to claim 1, wherein: The protection case is a plastic protection case.

10. The ceramic heating combination device according to claim 1, characterized in that: The two protection cases are respectively connected to the rear ends of both side ends of the connecting part; a buckle for being clamped with an external device is arranged at the rear end of the connecting part, and the buckle is located between the two protection cases.

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