Heating device

Abstract

The utility model discloses a heating device which comprises a shell, a fixing device and a heating device, the fixing device and the heating device are located in the shell, and the heating device is installed in the shell through the fixing device. The heating device comprises a plurality of heating sheets, each heating sheet comprises a non-metal substrate, a carbon ceramic heating layer located on the non-metal substrate and an insulating layer covering the carbon ceramic heating layer, and the heating layers are connected with wires. The heating device of the heating device adopts the form of the heating sheet, and the heating sheet only needs to be installed in the shell through the fixing device, so that the whole structure is simple and compact, and the size is greatly reduced. Meanwhile, the sheet-shaped carbon ceramic heating layer is arranged on the non-metal substrate of the heating sheet, convection heat dissipation can be achieved, radiation heat dissipation can be achieved, the heat dissipation efficiency is greatly improved, the carbon ceramic heating layer is covered with the insulating layer, and the electricity utilization safety of the heating sheet can be guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of air heating devices, and specifically relates to a heating device. Background Art

[0002] Since electric heating devices are not restricted by time and can be controlled independently by users, users often use electric heating devices for heating when the temperature is low.

[0003] Existing heating devices generally heat through a heating body, and the heating body adopts a heating wire or a heating tube. However, the heating method of the heating wire requires the addition of large-structured installation components, and the heating method of the heating tube requires the addition of heat dissipation fins, resulting in the heating device not only being large in size but also having low heat dissipation efficiency, high cost, and complex assembly and manufacturing process.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0005] The utility model provides a heating device to solve the technical problems of large size and low heat dissipation efficiency of the heating device.

[0006] In order to achieve the above utility model / design purpose, the utility model adopts the following technical solutions:

[0007] A heating device comprises a shell and a fixing device and a heating device located inside the shell, wherein the heating device is installed inside the shell through the fixing device; the heating device comprises a plurality of heating plates, wherein the heating plates comprise a non-metallic substrate, a carbon-ceramic heating layer located on the non-metallic substrate and an insulating layer covering the carbon-ceramic heating layer, wherein the carbon-ceramic heating layer is connected to a conductive part.

[0008] In the heating device as described above, the non-metallic substrate is mica, glass or ceramic.

[0009] In the heating device as described above, the carbon ceramic heating layer is coated or bonded on the non-metallic substrate, and the insulating layer is coated or bonded on the non-metallic substrate and / or the carbon ceramic heating layer.

[0010] In the heating device as described above, the conductive part is a wire, and the carbon ceramic heating layer is provided with a conductive electrode, and the conductive electrode is connected to the wire.

[0011] In the heating device as described above, the heating plate includes a protective plate, the carbon ceramic heating layer and the insulating layer are located between the non-metallic substrate and the protective plate, and the protective plate and the non-metallic substrate are fixed by edging, bonding or bolting.

[0012] In the heating device as described above, the fixing device includes an end mounting bracket, and the end mounting bracket includes: an upper mounting portion, a lower mounting portion and a connecting portion, and the connecting portion is used to connect the upper mounting portion and the lower mounting portion, and the upper mounting portion and the lower mounting portion both include a heating plate assembly surface assembled with the heating plate and a shell assembly surface connected to the shell.

[0013] In the heating device as described above, the heating plate assembly surfaces on the upper mounting portion and the lower mounting portion are arranged in pairs.

[0014] In the heating device as described above, a limiting portion for limiting the position of the heating plate is provided on the assembly surface of the heating plate;

[0015] And / or, the connecting portion is provided with a contact portion for contacting the heating plate.

[0016] As described above, the fixing device comprises an intermediate mounting bracket, and the intermediate mounting bracket comprises a shell assembly part, an intermediate connecting part and a heating plate assembly part, the intermediate connecting part is used to connect the shell assembly part and the heating plate assembly part, the shell assembly part is used to be assembled with the shell, and the heating plate assembly part has a card slot for card-mounting with the heating plate.

[0017] As for the heating device as described above, the upper part of the shell is provided with an outlet, the lower part of the shell is provided with an inlet, the distance between the top of the heating device and the outlet is 18%±5 of the height of the shell, and the distance between the bottom of the heating device and the inlet is smaller than the distance between the top of the heating device and the outlet.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] The heating device of the utility model includes a shell and a fixing device and a heating device located in the shell. The heating device is installed in the shell through the fixing device. The heating device includes a plurality of heating plates. The heating plates include a non-metallic substrate, a carbon ceramic heating layer located on the non-metallic substrate and an insulating layer covering the carbon ceramic heating layer. The heating layer is connected with a wire. The heating device of the heating device of the utility model is in the form of a heating plate. The heating plate only needs to be installed in the shell through a fixing device. The overall structure is simple and compact, and the volume is greatly reduced. At the same time, the heating plate is provided with a sheet-like carbon ceramic heating layer on the non-metallic substrate, which can realize both convection heat dissipation and radiation heat dissipation, greatly improving the heat dissipation efficiency. The carbon ceramic heating layer is covered by an insulating layer, and the electrical safety of the heating plate can also be ensured.

[0020] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of a heating device according to a specific embodiment of the utility model.

[0023] Figure 2 It is a schematic diagram of a heating device according to a specific embodiment of the utility model without a front panel.

[0024] Figure 3 It is a schematic diagram of a heating device according to a specific embodiment of the utility model without the front panel and the top panel.

[0025] Figure 4 It is a structural schematic diagram of a heating plate according to a specific embodiment of the utility model.

[0026] Figure 5 It is an exploded view of a heating plate according to a specific embodiment of the utility model.

[0027] Figure 6 It is a schematic diagram of an end mounting bracket according to a specific embodiment of the utility model.

[0028] Figure 7 It is a schematic diagram of the middle mounting bracket in a specific embodiment of the utility model.

[0029] In the figure,

[0030] 1. Shell; 11. Inlet; 12. Outlet;

[0031] 21. End mounting bracket; 211. Upper mounting portion; 212. Lower mounting portion; 213. Connecting portion; 2131. Abutting portion; 214. Base; 215. Heating plate assembly surface; 2151. Limiting portion; 216. Shell assembly surface; 22. Intermediate mounting bracket; 221. Shell assembly portion; 222. Intermediate connecting portion; 223. Heating plate assembly portion; 2231. Slot.

[0032] 3. Heating device; 31. Heating plate; 311. Non-metallic substrate; 312. Carbon ceramic heating layer; 313. Insulating layer; 314. Conductive electrode; 315. Protective plate; 316. Edge wrapping. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be understood as a limitation on the present invention.

[0035] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In the description of the implementation method, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0037] In the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0038] As people's requirements for quality of life increase, electric heating devices are becoming more and more popular due to their free and flexible control and high mobility. The heating body of existing heating devices generally adopts heating wire or heating tube heating method. The heating method of heating wire requires the addition of large-structured installation components, and the heating method of heating tube requires the addition of heat dissipation fins, which are not only large in size but also have low heat dissipation efficiency, high cost, and complex assembly and manufacturing process.

[0039] In order to solve the above problems, the structure and installation form of the heating device are changed to improve the heat dissipation efficiency, reduce the volume, reduce the cost and simplify the assembly and manufacturing process.

[0040] The heating device includes a shell and a fixing device and a heating device located in the shell, wherein the heating device is installed in the shell through the fixing device. The heating device includes a plurality of heating plates, and the heating plates include a non-metallic substrate, a carbon ceramic heating layer and an insulating layer. The carbon ceramic heating layer is located on the non-metallic substrate, the insulating layer covers the carbon ceramic heating layer, and the heating layer is connected with a wire to connect to an external power source. The heating device of the heating device is in the form of a heating plate, and the heating plate only needs to be installed in the shell through a fixing device. The overall structure is simple and compact, and the volume is greatly reduced. The heating plate is made of carbon ceramic, and a sheet-like carbon ceramic heating layer is arranged on the non-metallic substrate, which can realize both convection heat dissipation and radiation heat dissipation, greatly improving the heat dissipation efficiency. The carbon ceramic heating layer is covered by an insulating layer, and the electrical safety of the heating plate can also be ensured.

[0041] The heating device is described in detail below with reference to the accompanying drawings:

[0042] exist Figure 1-7 In the example, the heating device includes a shell 1 and a fixing device and a heating device 3 located in the shell 1. The heating device 3 is installed in the shell 1 through the fixing device. The heating device 3 is connected to a power source. When the heating device 3 is powered on, heat is generated and the generated heat is dissipated to the outside of the shell 1 to heat the space around the heating device.

[0043] A plurality of inlets 11 are provided at the bottom of the housing 1, and a plurality of outlets 12 are provided at the top of the housing 1. The heating device 3 is located inside the housing 1 and between the inlets 11 and the outlets 12 to achieve convection heat dissipation.

[0044] exist Figure 1-7 In the example, a base is provided at the bottom of the shell 1, and the shell 1 is a shell 1 with a longer length and a shorter height to match the position of the skirting board to form a skirting board heater, which does not take up space and achieves the purpose of heating.

[0045] The heating device 3 includes a plurality of heating plates 31 .

[0046] A plurality of heating plates 31 are arranged in parallel to facilitate convection heat dissipation.

[0047] Of course, a plurality of heating plates 31 may also be arranged at a certain angle.

[0048] The plurality of heating fins 31 are arranged in a direction from the inlet 11 to the outlet 12 , that is, the heating fins 31 are parallel or approximately parallel to the front shell portion and the rear shell portion of the housing 1 .

[0049] In order to improve the heating performance and heat dissipation efficiency of the heating device 3 , the heating plate 31 adopts a carbon ceramic structure, which can achieve both convection heat dissipation and radiation heat dissipation.

[0050] Specifically, in Figure 4 , 5 In the example, the heating plate 31 includes a non-metal substrate 311 , a carbon ceramic heating layer 312 and an insulating layer 313 , the carbon ceramic heating layer 312 is located on the non-metal substrate 311 , and the insulating layer 313 covers the carbon ceramic heating layer 312 .

[0051] The carbon ceramic heating layer 312 is connected with a conductive part so as to facilitate the connection of the carbon ceramic heating layer 312 with an external power source.

[0052] The conductive part is a wire, and the carbon ceramic heating layer 312 is provided with a conductive electrode 314, and the conductive electrode 314 is connected to the wire. The conductive electrode 314 is provided to facilitate connection with the wire.

[0053] The non-metal substrate 311 is a thin plate made of non-metal materials such as mica, glass or ceramic.

[0054] The carbon ceramic heating layer 312 is coated or bonded on the non-metal substrate 311 .

[0055] The insulating layer 313 is coated or bonded on the carbon ceramic heating layer 312. Specifically, the area of ​​the insulating layer 313 is the same as that of the carbon ceramic heating layer 312, and the insulating layer 313 overlaps with the carbon ceramic heating layer 312, and the two are directly coated or bonded.

[0056] In some other embodiments, the insulating layer 313 is coated or bonded on the non-metallic substrate 311. Specifically, the area of ​​the insulating layer 313 is larger than the area of ​​the carbon ceramic heating layer 312, and the portion of the insulating layer 313 that does not overlap with the carbon ceramic heating layer 312 is coated or bonded on the non-metallic substrate 311.

[0057] In some other embodiments, the insulating layer 313 is coated or bonded to the non-metallic substrate 311 and the carbon ceramic heating layer 312. Specifically, the area of ​​the insulating layer 313 is larger than the area of ​​the carbon ceramic heating layer 312, the portion of the insulating layer 313 that does not overlap with the carbon ceramic heating layer 312 is coated or bonded to the non-metallic substrate 311, and the portion of the insulating layer 313 that overlaps with the carbon ceramic heating layer 312 is directly coated or bonded.

[0058] In order to further improve the strength of the heating plate 31 and protect the carbon ceramic heating layer 312 and the insulating layer 313, the heating plate 31 includes a protective plate 315, the carbon ceramic heating layer 312 and the insulating layer 313 are located between the non-metallic substrate 311 and the protective plate 315, and the protective plate 315 and the non-metallic substrate 311 are fixedly connected.

[0059] Specifically, the protection plate 315 is connected to the non-metallic substrate 311 via the edging 316 , which can completely avoid the exposure of the carbon ceramic heating layer 312 and the insulating layer 313 , thereby ensuring the stability, strength and safety of the heating plate 31 .

[0060] In some other embodiments, the protection plate 315 and the non-metallic substrate 311 may be fixed by bonding or bolting.

[0061] The fixing device includes an end mounting bracket 21 and a middle mounting bracket 22. The heating plate 31 is fixed from both ends of the heating plate 31 by the end mounting bracket 21, and the heating plate 31 is fixed from the middle of the heating plate 31 by the middle mounting bracket 22, so as to improve the stability of the installation of the heating device 3 in the housing 1. At the same time, the end mounting bracket 21 and the middle mounting bracket 22 are structurally designed to reduce the contact area of ​​the fixing device with the heating plate 31, so as to improve the heat dissipation efficiency of the heating plate 31.

[0062] The fixing device includes an end mounting bracket 21 . The end mounting bracket 21 is located at the left and right ends of the heating plate 31 to fix the two ends of the heating plate 31 .

[0063] exist Figure 6 In the example, the end mounting bracket 21 includes an upper mounting portion 211 , a lower mounting portion 212 and a connecting portion 213 .

[0064] The connecting portion 213 is used to connect the upper mounting portion 211 and the lower mounting portion 212 .

[0065] The upper mounting portion 211 is located above the connecting portion 213 , and the lower mounting portion 212 is located below the connecting portion 213 .

[0066] The upper mounting portion 211 and the lower mounting portion 212 each include a base 214 , a heating plate assembly surface 215 on the base 214 for assembly with the heating plate, and a shell assembly surface 216 connected with the shell.

[0067] The base 214 of the upper mounting portion 211 and the connecting portion 213 are disposed at a certain angle, and the base 214 of the lower mounting portion 212 and the connecting portion 213 are disposed at a certain angle.

[0068] The base 214 of the upper mounting portion 211 and the base 214 of the lower mounting portion 212 are both disposed at 90 degrees to the connecting portion 213 , that is, the base 214 of the upper mounting portion 211 and the base 214 of the lower mounting portion 212 are disposed in parallel.

[0069] The heating plate assembly surface 215 is disposed at a 90-degree angle to the base 214 , and the housing assembly surface 216 is disposed at a 90-degree angle to the base 214 .

[0070] The heating plate mounting surfaces 215 on the upper mounting portion 211 and the lower mounting portion 212 are arranged in pairs. That is, the heating plate mounting surfaces 215 are located on two opposite sides of the base 214 .

[0071] The housing assembly surface 216 and the connecting portion 213 are located on the other two opposite sides of the base 214 .

[0072] The housing assembly surface 216 is assembled with the housing 1 directly or indirectly.

[0073] When the housing assembly surface 216 is indirectly assembled with the housing 1 , a fixing plate is provided in the housing, and the housing assembly surface 216 is assembled with the fixing plate.

[0074] The base 214 is in a square shape.

[0075] The heating plate 31 is assembled with the heating plate assembly surface 215. For example, screw holes are provided on the heating plate assembly surface 215, and the heating plate 31 is fixed with the screw holes on the heating plate assembly surface 215 by screws or bolts.

[0076] A limiting portion 2151 for limiting the position of the heating plate 31 is provided on the heating plate assembly surface 215 to facilitate the installation of the heating plate 31 .

[0077] The limiting portion 2151 is a folded edge of the free end of the heating plate assembly surface 215 .

[0078] The connecting portion 213 is provided with an abutting portion 2131 for abutting the heating plate 31. The abutting portion 2131 can abut against the heating plate 31 to ensure that it does not deform.

[0079] The folded edges at two opposite ends of the connecting portion 213 form abutting portions 2131 .

[0080] The entire end mounting bracket 21 is formed by bending a profile, and is integrally formed, which is easy to process and does not require assembly.

[0081] The fixing device comprises a middle mounting bracket 22 , which is located in the middle of the heating plate 31 and fixes the heating plate 31 from the middle of the heating plate 31 .

[0082] The intermediate mounting bracket 22 includes a housing mounting portion 221 , an intermediate connecting portion 222 and a heating plate mounting portion 223 .

[0083] The housing assembly portion 221, the intermediate connection portion 222 and the heating plate assembly portion 223 are connected in sequence.

[0084] The housing assembly portion 221 is used for assembly with the housing 1 .

[0085] The housing assembly portion 221 is generally assembled with the housing 1 by means of fixing members such as screws.

[0086] The heating plate assembly part 223 is used to assemble with the heating plate 31. In order to reduce the obstruction of the heating plate assembly part 223 to the convection air, the heating plate assembly part 223 is in a sheet shape, and has a slot 2231 for assembling with the heating plate. The heating plate assembly part 223 is in a sheet-shaped comb shape.

[0087] The middle connection part 222 is used to connect the shell assembly part 221 and the heating plate assembly part 223 . The middle connection part 222 is in a sheet shape and can be located between two heating plates 31 . Its width is smaller than the distance between the two heating plates 31 .

[0088] The upper part of the shell 1 is provided with an outlet 12, and the lower part of the shell 1 is provided with an inlet 11. The distance between the top of the heating device 3 and the outlet 12 is 18%±5 of the height of the shell 1, and the distance between the bottom of the heating device 3 and the inlet 11 is smaller than the distance between the top of the heating device 3 and the outlet 12. The positional relationship between the heating device 3 and the inlet 11 and outlet of the shell 1 can improve the convection effect and prevent the surface temperature of the shell 1 from being too high.

[0089] A temperature control module is disposed in the housing 1 , and the temperature control module is electrically connected to the heating device 3 to control the normal operation of the heating device 3 .

[0090] In some other embodiments, the housing 1 is also of a relatively high shape, and the height of the corresponding heating device is also close to the height of the housing 1. Outlets are arranged at the bottom and the top of the housing 1 to form convection heat dissipation.

[0091] In some other embodiments, heat dissipation openings may be provided only on the housing 1 to achieve radiative heat dissipation through the heat dissipation openings.

[0092] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to replace some of the technical features therein by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. A heating device, comprising a housing, a fixing device and a heating device located in the housing, wherein the heating device is installed in the housing through the fixing device; characterized in that: The heating device includes a plurality of heating plates, each of which includes a non-metal substrate, a carbon ceramic heating layer located on the non-metal substrate, and an insulating layer covering the carbon ceramic heating layer, wherein the carbon ceramic heating layer is connected to a conductive part.

2. The heating device according to claim 1, characterized in that: The non-metal substrate is mica, glass or ceramic.

3. The heating device according to claim 1, characterized in that: The carbon ceramic heating layer is coated or bonded on the non-metal substrate, and the insulating layer is coated or bonded on the non-metal substrate and / or the carbon ceramic heating layer.

4. The heating device according to claim 1, characterized in that: The conductive part is a wire, and the carbon ceramic heating layer is provided with a conductive electrode, and the conductive electrode is connected to the wire.

5. The heating device according to claim 1, characterized in that: The heating plate includes a protection plate, the carbon ceramic heating layer and the insulating layer are located between the non-metal substrate and the protection plate, and the protection plate and the non-metal substrate are fixed by edging, bonding or bolting.

6. The heating device according to claim 1, characterized in that: The fixing device includes an end mounting bracket, and the end mounting bracket includes: an upper mounting portion, a lower mounting portion and a connecting portion, the connecting portion is used to connect the upper mounting portion and the lower mounting portion, and the upper mounting portion and the lower mounting portion both include a heating plate assembly surface assembled with the heating plate and a shell assembly surface connected to the shell.

7. The heating device according to claim 6, characterized in that: The heating plate assembly surfaces on the upper mounting portion and the lower mounting portion are arranged in pairs.

8. The heating device according to claim 6, characterized in that: A limiting portion for limiting the position of the heating plate is provided on the assembly surface of the heating plate; And / or, the connecting portion is provided with a contact portion for contacting the heating plate.

9. The heating device according to claim 6, characterized in that: The fixing device includes an intermediate mounting bracket, and the intermediate mounting bracket includes a shell assembly part, an intermediate connecting part and a heating plate assembly part. The intermediate connecting part is used to connect the shell assembly part and the heating plate assembly part. The shell assembly part is used to be assembled with the shell, and the heating plate assembly part has a card slot for carding with the heating plate.

10. The heating device according to any one of claims 1 to 9, characterized in that: An outlet is provided at the upper portion of the shell, an inlet is provided at the lower portion of the shell, the distance between the top of the heating device and the outlet is 18%±5 of the height of the shell, and the distance between the bottom of the heating device and the inlet is smaller than the distance between the top of the heating device and the outlet.

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