Reflection type electric heater capable of accelerating heat diffusion

Abstract

The utility model discloses a reflection type electric heater capable of accelerating heat diffusion, which relates to the technical field of electric heaters and comprises a reflection cover, an air duct device, a heating device and an air blowing device. The reflecting cover comprises an opening, and an air inlet hole is formed in the bottom, opposite to the opening, of the reflecting cover. The heating device is located at the opening; the air duct device comprises a mounting groove and an air guide duct; the mounting groove is located in one side of the air guide channel and communicates with the air guide channel. The air guide channel is installed on the side, provided with the air inlet holes, of the reflecting cover and communicates with the air inlet holes. The air blowing device is mounted in the mounting groove; based on the structural design, the air blowing device is mounted in the mounting groove and blows air into the reflecting cover through the air guide channel, so that the heat diffusion efficiency is improved. Meanwhile, on one hand, the air blowing device is far away from the heating device and is less affected by heat of the heating device, and the service life is longer; and on the other hand, through guiding of the air channel, the direction of the air is changed, compared with a direct blowing mode, the air becomes softer, and therefore the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heaters, in particular to a reflective electric heater capable of accelerating heat diffusion. Background Art

[0002] Electric heaters are commonly used civilian heating equipment and are becoming more and more popular in cold winter environments.

[0003] In order to improve the convection effect, current electric heaters use direct fan blowing to accelerate heat diffusion. When using the above technology, the fan is too close to the heating element and is exposed to high temperature for a long time, which will cause the fan to be damaged and its life span to be reduced. On the other hand, the direct wind blows directly onto the user, which is not gentle, resulting in a poor user experience. Utility Model Content

[0004] The technical problem to be solved by the embodiments of the utility model is how to improve the life of the electric heater and the user's experience while ensuring a good heat diffusion effect of the electric heater.

[0005] In order to solve the above problems, an embodiment of the utility model proposes a reflective electric heater that accelerates heat diffusion, including a reflective cover, an air duct device, a heating device and a blowing device; the reflective cover includes an opening, and an air inlet hole is provided at the bottom of the reflective cover opposite to the opening; the heating device is located at the opening; the air duct device includes a mounting groove and an air guide duct; the mounting groove is located on one side of the air guide duct and is connected to the air guide duct; the air guide duct is installed on the side of the reflective cover where the air inlet hole is provided, and the air guide duct is connected to the air inlet hole; the blowing device is installed in the mounting groove; wherein, the blowing device blows air into the reflective cover through the air guide duct.

[0006] A further technical solution is that the air guide duct includes an air guide groove, and the reflector cover is provided with a side of the air inlet hole covering the air guide groove, wherein the air guide groove and the reflector cover together enclose a space for air flow.

[0007] A further technical solution is that the air guide duct includes an annular bottom shell and an inner circular shell and an outer circular shell which are concentric from inside to outside and spaced apart on the inner and outer sides of the annular bottom shell, and the bottom shell, the inner circular shell and the outer circular shell together surround the air guide duct.

[0008] A further technical solution is that the height of the inner circular shell is lower than that of the outer circular shell, and both the inner circular shell and the outer circular shell are in sealing contact with the reflector.

[0009] A further technical solution is that there are multiple air inlet holes, and the multiple air inlet holes are evenly distributed in the area enclosed by the inner circular shell and the outer circular shell.

[0010] A further technical solution is that the reflective electric heater for accelerating heat diffusion also includes a metal front shell, a mounting opening is provided on the metal front shell, and the reflective cover is installed on the metal front shell on one side of the opening, and the opening of the reflective cover faces the mounting opening.

[0011] A further technical solution is that the heating device includes a heating element, a support rod and a heating element bracket, one end of the support rod is connected to the metal front shell through the heating element bracket, and the other end of the support rod extends into the middle of the installation port and is connected to the heating element.

[0012] A further technical solution is that the reflective electric heater for accelerating heat diffusion also includes a front mesh component, and the front mesh component covers the installation opening.

[0013] A further technical solution is that the reflective electric heater that accelerates heat diffusion also includes a plastic front shell and a rear shell, the rear shell includes a receiving groove, the reflective cover and the air duct device are both arranged in the receiving groove; the metal front shell and the plastic front shell are both installed in the notch of the receiving groove, and the metal front shell and the plastic front shell jointly cover the notch of the receiving groove.

[0014] A further technical solution is that a ventilation hole is provided on the rear shell.

[0015] Compared with the prior art, the technical effects achieved by the embodiments of the present invention include:

[0016] The embodiment of the utility model proposes a reflective electric heater for accelerating heat diffusion, including a reflective cover, an air duct device, a heating device and a blowing device; the reflective cover includes an opening, and an air inlet hole is provided at the bottom of the reflective cover opposite to the opening; the heating device is located at the opening; the air duct device includes a mounting groove and an air guide duct; the mounting groove is located on one side of the air guide duct and is connected to the air guide duct; the air guide duct is installed on the side of the reflective cover where the air inlet hole is provided, and the air guide duct is connected to the air inlet hole; the blowing device is installed in the mounting groove; based on the above structural design, the blowing device is installed in the mounting groove, and blows air into the reflective cover through the air guide duct, thereby improving the efficiency of heat diffusion. At the same time, on the one hand, the blowing device is far away from the heating device, is less affected by the heat of the heating device, and has a longer service life; on the other hand, the direction of the wind is changed by the guidance of the air duct, and the wind becomes softer compared to the direct blowing method, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0020] Figure 1 An exploded view of a reflective electric heater for accelerating heat diffusion proposed in an embodiment of the utility model;

[0021] Figure 2 Another exploded view of a reflective electric heater for accelerating heat diffusion proposed in an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of a heating device of a reflective electric heater for accelerating heat diffusion provided in an embodiment of the utility model being installed on a metal front shell;

[0023] Figure 4 A schematic diagram of an air duct device of a reflective electric heater for accelerating heat diffusion provided in an embodiment of the utility model being installed on a reflective cover;

[0024] Figure 5 A schematic diagram of a reflective cover of a reflective electric heater for accelerating heat diffusion provided by an embodiment of the utility model being installed on a metal front shell;

[0025] Figure 6 A schematic diagram of a metal front shell of a reflective electric heater for accelerating heat diffusion provided by an embodiment of the utility model being installed on a rear shell;

[0026] Figure 7 A schematic diagram of a plastic front shell of a reflective electric heater for accelerating heat diffusion proposed in an embodiment of the utility model being installed on a rear shell;

[0027] Figure 8 A schematic diagram of the structure of a reflective electric heater for accelerating heat diffusion proposed in an embodiment of the utility model;

[0028] Fig. 9This is a schematic structural diagram of an air duct device of a reflective electric heater for accelerating heat diffusion proposed in an embodiment of the utility model.

[0029] Reference numerals

[0030] Reflector 10, air duct device 20, heating device 30, blowing device 40, metal front shell 50, front net assembly 60, plastic front shell 70, rear shell 80, opening 11, air inlet 12, mounting groove 21, air guide duct 22, air guide groove 221, annular bottom shell 222, inner circular shell 223, outer circular shell 224, mounting port 51, heating element 31, support rod 32, heating element bracket 33, accommodating groove 81, ventilation hole 82, front net 61, front net frame 62. DETAILED DESCRIPTION

[0031] 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. Similar component numbers in the drawings represent similar components. Obviously, the embodiments to be described below 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 making creative work are within the scope of protection of the utility model.

[0032] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0033] It should also be understood that the terms used in this utility model embodiment specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model embodiments. As used in the utility model embodiment specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0034] See also Figure 1-Figure 9 The embodiment of the utility model proposes a reflective electric heater that accelerates heat diffusion. Its blowing device 40 is far away from the heating device 30, is less affected by the heating device 30, and has a longer service life. At the same time, the wind it blows is softer and the user experience is better. The reflective electric heater that accelerates heat diffusion includes a reflective cover 10, an air duct device 20, a heating device 30, and a blowing device 40. The specific structure is described as follows:

[0035] The reflector 10 includes an opening 11, and an air inlet 12 is provided at the bottom of the reflector 10 opposite to the opening 11. The reflector 10 is used to reflect the heat generated by the heating device 30, so that the heat is transferred from the opening 11 of the reflector 10 to the outside for heating the user. The air inlet 12 is used to let air into the reflector 10, thereby accelerating the diffusion of heat.

[0036] The heating device 30 is located at the opening 11 , for example, in the middle of the opening 11 , so as to improve the uniformity of heat diffusion.

[0037] The air duct device 20 includes a mounting groove 21 and an air duct 22 ; the mounting groove 21 is located at one side of the air duct 22 and communicates with the air duct 22 ; the blowing device 40 is installed in the mounting groove 21 . Thus, the blowing device 40 can blow air toward the air duct 22 .

[0038] Furthermore, the air duct 22 is installed on a side of the reflector 10 where the air inlet hole 12 is provided, and the air duct 22 is connected to the air inlet hole 12, so that the wind in the air duct 22 will enter the reflector 10 from the air inlet hole 12, thereby accelerating heat diffusion.

[0039] In the embodiment of the utility model, the blowing device 40 blows air into the reflector 10 through the air guide 22. Specifically, the blowing device 40 blows air into the air guide 22, and the wind enters the reflector 10 through the air inlet 12, thereby accelerating heat diffusion, and the direction of the wind is changed through the guidance of the wind duct, making the wind softer, thereby improving the user experience.

[0040] The embodiment of the utility model proposes a reflective electric heater for accelerating heat diffusion, comprising a reflective cover 10, an air duct device 20, a heating device 30 and a blowing device 40; the reflective cover 10 comprises an opening 11, and an air inlet hole 12 is provided at the bottom of the reflective cover 10 opposite to the opening 11; the heating device 30 is located at the opening 11; the air duct device 20 comprises a mounting groove 21 and an air guide duct 22; the mounting groove 21 is located at one side of the air guide duct 22 and is connected to the air guide duct 22; the air guide duct 22 is installed on the side of the reflective cover 10 provided with the air inlet hole 12, and the air guide duct 22 is connected to the air inlet hole 12; the blowing device 40 is installed in the mounting groove 21; based on the above structural design, the blowing device 40 is installed in the mounting groove 21, and blows air into the reflective cover 10 through the air guide duct 22, thereby improving the efficiency of heat diffusion. At the same time, on the one hand, the blowing device 40 is far away from the heating device 30, is less affected by the heat of the heating device 30, and has a longer service life; on the other hand, the direction of the wind is changed through the guidance of the air duct, and the wind becomes softer than the direct blowing method, thereby improving the user experience.

[0041] Further, in the embodiment of the utility model, the air guide 22 includes an air guide groove 221, and the side of the reflector 10 provided with the air inlet hole 12 covers the air guide groove 221, wherein the air guide groove 221 and the reflector 10 together enclose a space for air to flow. Further, the air guide groove 221 and the reflector 10 are directly sealed, thereby avoiding air leakage, so that all wind can enter the reflector 10 from the air inlet hole 12.

[0042] Furthermore, in the embodiment of the utility model, the specific structure of the air guide duct 22 is as follows:

[0043] The air guide duct 22 includes an annular bottom shell 222 and an inner circular shell 223 and an outer circular shell 224 which are concentric from inside to outside and spaced apart on both sides of the inner and outer sides of the annular bottom shell 222. The bottom shell, the inner circular shell 223 and the outer circular shell 224 together surround the air guide groove 221. The inner circular shell 223 and the outer circular shell 224 are both circular. The inner circular shell 223, the outer circular shell 224 and the annular bottom shell 222 are concentric (the centers of the circles overlap). The annular bottom shell 222 includes an annular hole. The inner circular shell 223, the outer circular shell 224 and the annular bottom shell 222 together surround the air guide groove 221, and the shape of the air guide groove 221 is annular.

[0044] Furthermore, the height of the inner circular shell 223 is lower than that of the outer circular shell 224, and both the inner circular shell 223 and the outer circular shell 224 are in sealing contact with the reflector 10. Specifically, the reflector 10 is hemispherical. The air duct 22 covers the convex side of the reflector 10, and both the inner circular shell 223 and the outer circular shell 224 are in sealing contact with the reflector 10. Specifically, the sealing contact is achieved by pressing the inner circular shell 223 and the outer circular shell 224 onto the reflector 10. In order to improve the sealing effect, a sealing ring can also be provided at the covering portion of the inner circular shell 223 and the outer circular shell 224 with the reflector 10. Further, in order to improve the connection reliability, the air duct 22 is connected to the reflector 10 by a fastener or a snap-on structure, which is not specifically limited in the utility model.

[0045] Furthermore, in the embodiment of the utility model, the number of the air inlet holes 12 is multiple, and the multiple air inlet holes 12 are evenly distributed in the area surrounded by the inner circular shell 223 and the outer circular shell 224. Specifically, the inner circular shell 223 and the outer circular shell 224 surround an annular area on the reflector 10, and the multiple air inlet holes 12 are evenly distributed in the above annular area. The number of the air inlet holes 12 is multiple and evenly distributed, so that the air intake is more uniform, which improves the user experience.

[0046] Furthermore, in an embodiment of the utility model, the reflective electric heater for accelerating heat diffusion further includes a metal front shell 50, on which a mounting opening 51 is provided, and the side of the reflective cover 10 provided with the opening 11 is installed on the metal front shell 50, and the opening 11 of the reflective cover 10 is directly opposite to the mounting opening 51. The metal front shell 50 has good heat resistance, thereby increasing its service life. When in use, the heat diffused from the opening 11 of the reflective cover 10 is transmitted to the outside through the mounting opening 51 on the metal front shell 50 to provide heating for the user. The reflective cover 10 can be installed on the metal front shell 50 by fasteners or a snap-on structure, which is not specifically limited by the utility model. The metal front shell 50 can be specifically a hardware, which is not specifically limited by the utility model.

[0047] Further, in the embodiment of the utility model, the heating device 30 includes a heating element 31, a support rod 32 and a heating element bracket 33, one end of the support rod 32 is connected to the metal front shell 50 through the heating element bracket 33, and the other end of the support rod 32 extends into the middle of the mounting opening 51 and is connected to the heating element 31. In a specific implementation, the support rod 32 can be installed on the heating element bracket 33 by a fastener or a snap-fit ​​structure, which is not specifically limited in the utility model. The heating element bracket 33 can be installed on the metal front shell 50 by a fastener or a snap-fit ​​structure, which is not specifically limited in the utility model.

[0048] Further, in an embodiment of the utility model, the reflective electric heater for accelerating heat diffusion further includes a front mesh assembly 60, and the front mesh assembly 60 covers the mounting opening 51. Specifically, the front mesh assembly 60 includes a front mesh 61 and a front mesh frame 62, and the front mesh 61 is arranged in the front mesh frame 62. The front mesh frame 62 is connected to the metal front shell 50, and specifically, the front mesh frame 62 can be installed on the metal front shell 50 by fasteners or a snap-on structure, which is not specifically limited in the utility model.

[0049] Furthermore, in the embodiment of the utility model, the reflective electric heater for accelerating heat diffusion further includes a plastic front shell 70 and a rear shell 80, the rear shell 80 includes a receiving groove 81, the reflector 10 and the air duct device 20 are both arranged in the receiving groove 81; the metal front shell 50 and the plastic front shell 70 are both installed in the notch of the receiving groove 81, and the metal front shell 50 and the plastic front shell 70 jointly cover the notch of the receiving groove 81. The receiving groove 81 is used to provide a space for installing the reflector 10 and the air duct device 20. The sum of the areas of the metal front shell 50 and the plastic front shell 70 is equal to the area of ​​the notch of the receiving groove 81. For the notch of the receiving groove 81, the metal front shell 50 only needs to cover the area corresponding to the reflector 10, and other areas can be covered by the plastic front shell 70, thereby reducing the material of the metal front shell 50 and reducing the cost.

[0050] Furthermore, in the embodiment of the utility model, a ventilation hole 82 is provided on the rear shell 80 . The ventilation hole 82 allows external air to enter the receiving groove 81 .

[0051] Further, in the embodiment of the present utility model, the blowing device 40 may be specifically a fan or a blower, which is not specifically limited in the present utility model.

[0052] Furthermore, in the embodiment of the utility model, the reflective electric heater for accelerating heat diffusion also includes a power module for supplying power to the heating device 30 and the blowing device 40, which is not specifically limited by the utility model.

[0053] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element 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.

[0055] In addition, 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. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0059] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include these modifications and variations.

[0060] The above is a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A reflective electric heater for accelerating heat diffusion, characterized in that: It includes a reflective cover, an air duct device, a heating device and a blowing device; the reflective cover includes an opening, and an air inlet hole is provided at the bottom of the reflective cover opposite to the opening; the heating device is located at the opening; the air duct device includes a mounting groove and an air guide duct; the mounting groove is located at one side of the air guide duct and is connected to the air guide duct; the air guide duct is installed on the side of the reflective cover where the air inlet hole is provided, and the air guide duct is connected to the air inlet hole; the blowing device is installed in the mounting groove; wherein, the blowing device blows air into the reflective cover through the air guide duct.

2. The reflective electric heater for accelerating heat diffusion according to claim 1, characterized in that: The air guide channel includes an air guide groove, and the side of the reflector cover provided with the air inlet hole covers the air guide groove, wherein the air guide groove and the reflector cover together enclose a space for air flow.

3. The reflective electric heater for accelerating heat diffusion according to claim 2, characterized in that: The air guide duct includes an annular bottom shell and an inner circular shell and an outer circular shell which are concentric from inside to outside and spaced apart on the inner and outer sides of the annular bottom shell. The bottom shell, the inner circular shell and the outer circular shell together surround the air guide duct.

4. The reflective electric heater for accelerating heat diffusion according to claim 3, characterized in that: The height of the inner circular shell is lower than that of the outer circular shell, and both the inner circular shell and the outer circular shell are in sealing contact with the reflector.

5. The reflective electric heater for accelerating heat diffusion according to claim 4, characterized in that: There are multiple air inlet holes, and the multiple air inlet holes are evenly distributed in the area surrounded by the inner circular shell and the outer circular shell.

6. The reflective electric heater for accelerating heat diffusion according to claim 1, characterized in that: The reflective electric heater for accelerating heat diffusion also includes a metal front shell, on which a mounting opening is provided, and the reflective cover is installed on the metal front shell at a side where the opening is provided, and the opening of the reflective cover faces the mounting opening.

7. The reflective electric heater for accelerating heat diffusion according to claim 6, characterized in that: The heating device includes a heating element, a support rod and a heating element bracket, one end of the support rod is connected to the metal front shell through the heating element bracket, and the other end of the support rod extends into the middle of the installation opening and is connected to the heating element.

8. The reflective electric heater for accelerating heat diffusion according to claim 6, characterized in that: The reflective electric heater for accelerating heat diffusion also includes a front mesh component, and the front mesh component covers the installation opening.

9. The reflective electric heater for accelerating heat diffusion according to claim 6, characterized in that: The reflective electric heater that accelerates heat diffusion also includes a plastic front shell and a rear shell, the rear shell includes a receiving groove, the reflective cover and the air duct device are both arranged in the receiving groove; the metal front shell and the plastic front shell are both installed in the notch of the receiving groove, and the metal front shell and the plastic front shell together cover the notch of the receiving groove.

10. The reflective electric heater for accelerating heat diffusion according to claim 9, characterized in that: The rear shell is provided with ventilation holes.

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