Two-in-one electric heater

Abstract

The utility model discloses a two-in-one electric heater, which relates to the technical field of electric heating equipment and comprises a shell, a reflecting cover, a first heating body, a second heating body and an air supply device. The shell comprises a first containing cavity, a second containing cavity and an air duct, and the air duct communicates with the first containing cavity and the second containing cavity. The reflecting cover is arranged in the first accommodating cavity, and a gap is formed between at least part of the outer wall of the reflecting cover and the shell; the first heating body is arranged in the reflecting cover; the second heating body is arranged in the second containing cavity, and the air supply device is arranged in the second containing cavity and located on one side of the second heating body. The air supply device is used for blowing air to the second heating body to drive air in the gap between the outer wall of the reflecting cover and the shell to flow into the second containing cavity, and the air in the gap between the outer wall of the reflecting cover and the shell is primarily heated by the outer wall of the reflecting cover and then secondarily heated by the second heating body to supply heat to customers. Therefore, the heat of the outer wall of the reflecting cover can be fully utilized, and the heat utilization rate is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of electric heating equipment, in particular to a two-in-one electric heater. Background Art

[0002] An electric heater can generate heat and is a commonly used household device in winter. With the improvement of people's living standards, electric heaters are becoming more and more popular.

[0003] Currently, the commonly used electric heaters include reflective electric heaters. The reflective electric heater reflects heat through a reflector for users to warm themselves. When the reflective electric heater is working, it will heat the reflector, resulting in heat dissipation from the back of the reflector and causing heat waste. Summary of the Utility Model

[0004] The technical problem to be solved by the embodiments of the utility model is how to improve the heat utilization rate of the electric heater.

[0005] To solve the above problems, the embodiments of the utility model propose a two-in-one electric heater, which includes a housing, a reflector, a first heating element, a second heating element, and a blowing device; a first accommodation cavity, a second accommodation cavity, and an air duct are provided in the housing, and the air duct communicates with the first accommodation cavity and the second accommodation cavity; the reflector is arranged in the first accommodation cavity, and there is a gap between at least part of the outer wall of the reflector and the housing; the first heating element is arranged in the reflector; the second heating element is arranged in the second accommodation cavity, and the blowing device is arranged in the second accommodation cavity and on one side of the second heating element; wherein, the blowing device is used to blow air to the second heating element, driving the air in the gap between the outer wall of the reflector and the housing to flow into the second accommodation cavity.

[0006] A further technical solution of it is that the housing includes a front shell, the front shell is provided with a heat outlet, the opening of the reflector faces the heat outlet, and a protective cover is arranged on the heat outlet.

[0007] A further technical solution of it is that the housing further includes a rear shell, the rear shell and the front shell are covered with each other, the rear shell includes a first convex part, and the first convex part, the front shell, and the protective cover enclose the first accommodation cavity.

[0008] A further technical solution of it is that the rear shell includes a second convex part, and the second convex part and the front shell enclose the first accommodation cavity.

[0009] A further technical solution of it is that the rear shell includes a connecting part, both ends of the connecting part are respectively connected to the first convex part and the second convex part; the connecting part and the front shell enclose the air duct.

[0010] A further technical solution thereof is that a plurality of first through holes are formed in the protective cover, and a plurality of second through holes are provided on the first convex portion.

[0011] A further technical solution thereof is that a plurality of air inlet holes are provided in the area where the second convex portion faces the air supply device, and a plurality of air outlet holes are provided in the area where the front shell faces the second heating element.

[0012] A further technical solution thereof is that the two-in-one electric heater further includes a support member. One end of the support member is connected to the housing, and the other end of the support member extends into the reflector. The first heating element is disposed at the end of the support member that extends into the reflector.

[0013] A further technical solution thereof is that the two-in-one electric heater further includes a first switch and a second switch. The first switch is disposed on the power supply line of the first heating element, and the second switch is disposed on the power supply line of the second heating element.

[0014] A further technical solution thereof is that the number of the air supply devices is plural, and the plural air supply devices are arranged in sequence on one side of the second heating element.

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

[0016] According to the technical solution of the embodiment of the present invention, the two-in-one electric heater includes a housing, a reflector, a first heating element, a second heating element, and an air supply device; the housing includes a first accommodation cavity, a second accommodation cavity, and an air duct, and the air duct communicates the first accommodation cavity and the second accommodation cavity; the reflector is disposed in the first accommodation cavity, and there is a gap between at least a part of the outer wall of the reflector and the housing; the first heating element is disposed in the reflector; the second heating element is disposed in the second accommodation cavity, and the air supply device is disposed in the second accommodation cavity and on one side of the second heating element; the air supply device is used to blow air to the second heating element, driving the air in the gap between the outer wall of the reflector and the housing to flow into the second accommodation cavity. The air in the gap between the outer wall of the reflector and the housing is preliminarily heated by the outer wall of the reflector, and then is secondarily heated by the second heating element to supply heat to the customer, so that the heat on the outer wall of the reflector can be fully utilized, and the heat utilization rate is higher under the same power.

[0017] Furthermore, the first heating element and the second heating element are independently controlled, and the user can turn on one of them as needed, or turn on both at the same time, meeting the various usage scenario requirements of the user. Description of the Drawings

[0018] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments in accordance with the present utility model, and are used together with the specification to explain the principles of the present utility model.

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the accompanying drawings required for use in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those of ordinary skill in the art, other accompanying drawings can also be obtained based on these drawings without creative efforts.

[0020] One or more embodiments are exemplarily illustrated by the pictures in the corresponding accompanying drawings. These exemplary illustrations do not constitute limitations on the embodiments. Elements with the same reference numerals in the accompanying drawings represent similar elements. Unless otherwise stated, the figures in the accompanying drawings do not constitute a scale limitation.

[0021] Figure 1 A cross-sectional view of a two-in-one electric heater proposed in an embodiment of the present utility model;

[0022] Figure 2 A schematic structural diagram of a two-in-one electric heater proposed in an embodiment of the present utility model;

[0023] Figure 3 Another schematic structural diagram of a two-in-one electric heater proposed in an embodiment of the present utility model;

[0024] Figure 4 A power supply principle block diagram of a two-in-one electric heater proposed in an embodiment of the present utility model.

[0025] Reference numerals

[0026] Housing 10, reflector 20, first heating element 30, second heating element 40, air supply device 50, support member 60, first switch 70, second switch 80, power supply module 90, first accommodation cavity 11, second accommodation cavity 12, air duct 13, front shell 14, protective cover 15, rear shell 16, first convex portion 161, connecting portion 162, second convex portion 163, first through hole 151, second through hole 1611, air inlet hole 1631, air outlet hole 141. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Similar component numerals in the accompanying drawings represent similar components. Obviously, the embodiments to be described below are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0028] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components, and / or their combinations.

[0029] It should also be understood that the terms used in the description of the embodiments of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the present invention. As used in the description of the embodiments of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an", and "the" are intended to include the plural forms.

[0030] See Figures 1-4 , an embodiment of the present invention provides a two-in-one electric heater. The two-in-one electric heater can deliver the air that has been heated once on the back of the reflector 20 to the second heating body for secondary heating, so as to make full use of the heat on the back of the reflector 20. At the same power, the heat utilization rate is higher. The two-in-one electric heater includes a housing 10, a reflector 20, a first heating element 30, a second heating element 40, and a blowing device 50. The specific structure is introduced as follows:

[0031] A first accommodation cavity 11, a second accommodation cavity 12, and an air duct 13 are provided in the housing 10, and the air duct 13 communicates with the first accommodation cavity 11 and the second accommodation cavity 12. Both the first accommodation cavity 11 and the second accommodation cavity 12 are used as installation spaces. The air duct 13 is used to communicate the first accommodation cavity 11 and the second accommodation cavity 12.

[0032] The reflector 20 is disposed in the first accommodation cavity 11, and there is a gap between at least a part of the outer wall of the reflector 20 and the housing 10. The air in the gap can be preliminarily heated by the outer wall of the reflector 20.

[0033] The first heating element 30 is disposed in the reflector 20; the heat emitted by the first heating element 30 is reflected by the reflector 20 for heating the user. The first heating element 30 may specifically be a light-emitting and heat-generating element, so as to have a good radiation effect. The light-emitting and heat-generating element may be, for example, a heating plate or a heating tube.

[0034] The second heating element 40 is disposed in the second accommodation cavity 12, and the blowing device 50 is disposed in the second accommodation cavity 12 and on one side of the second heating element 40. The second heating element 40 may specifically be a PTC heating element, and the blowing device 50 may specifically be a fan or a blower.

[0035] In the embodiment of the present utility model, the air supply device 50 is used to blow air towards the second heating element 40 (generating negative pressure in the second accommodation cavity 12), driving the air in the gap between the outer wall of the reflector 20 and the housing 10 to flow into the second accommodation cavity 12. The air in the gap between the outer wall of the reflector 20 and the housing 10 is preliminarily heated by the outer wall of the reflector 20, and then secondary heated by the second heating element 40 to supply heat to customers, so that the heat on the outer wall of the reflector 20 can be fully utilized, and the heat utilization rate is higher under the same power.

[0036] In the technical solution of the embodiment of the present utility model, the two-in-one electric heater includes a housing 10, a reflector 20, a first heating element 30, a second heating element 40, and an air supply device 50; the housing 10 includes a first accommodation cavity 11, a second accommodation cavity 12, and an air duct 13, and the air duct 13 communicates the first accommodation cavity 11 and the second accommodation cavity 12; the reflector 20 is disposed in the first accommodation cavity 11, and there is a gap between at least a part of the outer wall of the reflector 20 and the housing 10; the first heating element 30 is disposed in the reflector 20; the second heating element 40 is disposed in the second accommodation cavity 12, and the air supply device 50 is disposed in the second accommodation cavity 12 and on one side of the second heating element 40; the air supply device 50 is used to blow air towards the second heating element 40, driving the air in the gap between the outer wall of the reflector 20 and the housing 10 to flow into the second accommodation cavity 12. The air in the gap between the outer wall of the reflector 20 and the housing 10 is preliminarily heated by the outer wall of the reflector 20, and then secondary heated by the second heating element 40 to supply heat to customers, so that the heat on the outer wall of the reflector 20 can be fully utilized, and the heat utilization rate is higher under the same power.

[0037] Further, the housing 10 includes a front shell 14, the front shell 14 is provided with a heat outlet, the opening of the reflector 20 faces the heat outlet, and a protective cover 15 is provided on the heat outlet. The heat reflected by the reflector 20 flows out from the heat outlet to supply heat to customers. The protective cover 15 plays a safety protection role. The protective cover 15 is provided with a plurality of first through holes 151 for hot air to flow out.

[0038] In the present utility model, the protective cover 15 covers the heat outlet of the front shell 14, and the protective cover 15 and the front shell 14 can be connected by fasteners or a snap structure, and the embodiment of the present utility model does not specifically limit this.

[0039] Further, the housing 10 further includes a rear housing 16, the rear housing 16 and the front housing 14 are covered with each other, the rear housing 16 includes a first convex portion 161, and the first convex portion 161, the front housing 14 and the protective cover 15 enclose the first accommodation cavity 11. The rear side of the reflector 20 is disposed within the first convex portion 161, and there is a gap between the reflector 20 and the first convex portion 161. A plurality of second through holes 1611 are provided on the first convex portion 161, and the second through holes 1611 are used to allow air to enter / flow out of the first accommodation cavity 11.

[0040] In the present utility model, the rear housing 16 and the front housing 14 may be connected by fasteners or a snap structure, and the embodiments of the present utility model do not specifically limit this.

[0041] Further, the rear housing 16 includes a second convex portion 163, and the second convex portion 163 and the front housing 14 enclose the first accommodation cavity 11. The air supply device 50 may be specifically disposed within the second convex portion 163.

[0042] Further, the rear housing 16 includes a connecting portion 162, and both ends of the connecting portion 162 are respectively connected to the first convex portion 161 and the second convex portion 163; the connecting portion 162 and the front housing 14 enclose the air duct 13. Inside the housing 10, the first accommodation cavity 11, the air duct 13, and the second accommodation cavity 12 are arranged in sequence from top to bottom.

[0043] Further, a plurality of air inlet holes 1631 are provided in the area of the second convex portion 163 opposite to the air supply device 50, and a plurality of air outlet holes 141 are provided in the area of the front housing 14 opposite to the second heating element 40. The air inlet holes 1631 allow outside air to enter the second accommodation cavity 12, and after being heated by the second heating element 40, it is output to the outside through the air outlet holes 141 for the user to warm.

[0044] Further, the two-in-one electric heater further includes a support member 60, one end of the support member 60 is connected to the housing 10 (for example, specifically the front housing 14), the other end of the support member 60 extends into the reflector 20, and the first heating element 30 is disposed at one end of the support member 60 that extends into the reflector 20. The support member 60 may be specifically a support rod. Through the support member 60, the first heating element 30 can be supported to the middle of the reflector 20, facilitating uniform heat radiation.

[0045] In the present utility model, the support member 60 and the housing 10 may be connected by fasteners or a snap structure, and at the same time, the support member 60 and the first heating element 30 may be connected by fasteners or a snap structure. In this regard, the present utility model does not specifically limit this.

[0046] Furthermore, the two-in-one electric heater further includes a first switch 70 and a second switch 80. The first switch 70 is disposed on the power supply line of the first heating element 30, and the second switch 80 is disposed on the power supply line of the second heating element 40.

[0047] Specifically, the two-in-one electric heater includes a power supply module 90. The power supply module 90 is connected to the first heating element 30, the second heating element 40, and the air supply device 50 for supplying power to the first heating element 30, the second heating element 40, and the air supply device 50. In the present utility model, the power supplies of the first heating element 30 and the second heating element 40 are independently controlled. That is, the power supply module 90 is provided with a first switch 70 and a second switch 80. The first switch 70 is disposed on the power supply line of the first heating element 30, and the second switch 80 is disposed on the power supply line of the second heating element 40. By operating the first switch 70 and the second switch 80, the first heating element 30 or the second heating element 40 can be separately turned on, or the first heating element 30 and the second heating element 40 can be turned on simultaneously.

[0048] Furthermore, the number of the air supply devices 50 is multiple, and the multiple air supply devices 50 are arranged in sequence on one side of the second heating element 40. For example, in this embodiment, the number of the air supply devices 50 is two, and the two air supply devices 50 are arranged from top to bottom in sequence on one side of the second heating element 40, so as to improve the air supply effect on the second heating element 40.

[0049] In the above embodiments, the descriptions of the respective embodiments have their own emphases. For the parts not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0050] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 construed as a limitation to the present utility model.

[0051] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality of" means two or more unless otherwise specifically defined.

[0052] In the present utility model, unless otherwise clearly defined and limited, terms such as "installed", "connected", "coupled", "fixed", etc. shall be understood in a broad sense. For example, it may be a connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0053] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0054] In the description of this specification, the descriptions with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic descriptions of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and mix the different embodiments or examples described in this specification.

[0055] Obviously, those skilled in the art can make various modifications and variations to the present utility model without departing from the spirit and scope of the present utility model. Thus, provided that these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model also intends to include these modifications and variations.

[0056] As described above, the above is the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various equivalent modifications or substitutions, and these modifications or substitutions should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A two-in-one electric heater, characterized in that, It includes a housing, a reflector, a first heating element, a second heating element and a blowing device; a first accommodation cavity, a second accommodation cavity and an air duct are provided in the housing, and the air duct communicates with the first accommodation cavity and the second accommodation cavity; the reflector is arranged in the first accommodation cavity, and there is a gap between at least part of the outer wall of the reflector and the housing; the first heating element is arranged in the reflector; the second heating element is arranged in the second accommodation cavity, and the blowing device is arranged in the second accommodation cavity and on one side of the second heating element; wherein, the blowing device is used to blow air to the second heating element, driving the air in the gap between the outer wall of the reflector and the housing to flow into the second accommodation cavity.

2. The two-in-one electric heater according to claim 1, wherein, The housing includes a front shell, the front shell is provided with a heat outlet, the opening of the reflector faces the heat outlet, and a protective cover is arranged on the heat outlet.

3. The two-in-one electric heater according to claim 2, wherein The housing further includes a rear shell, the rear shell and the front shell are covered with each other, the rear shell includes a first convex portion, and the first convex portion, the front shell and the protective cover enclose the first accommodation cavity.

4. The two-in-one electric heater according to claim 3, characterized in that, The rear shell includes a second convex portion, and the second convex portion and the front shell enclose the first accommodation cavity.

5. The two-in-one electric heater according to claim 4, characterized in that, The rear shell includes a connecting portion, and both ends of the connecting portion are respectively connected to the first convex portion and the second convex portion; the connecting portion and the front shell enclose the air duct.

6. The two-in-one electric heater according to claim 3, wherein A plurality of first through holes are formed in the protective cover, and a plurality of second through holes are formed in the first convex portion.

7. The two-in-one electric heater according to claim 4, characterized in that, A plurality of air inlet holes are provided in the area of the second convex portion opposite to the blowing device, and a plurality of air outlet holes are provided in the area of the front shell opposite to the second heating element.

8. The two-in-one electric heater according to claim 1, wherein The two-in-one electric heater further includes a support member, one end of the support member is connected to the housing, the other end of the support member extends into the reflector, and the first heating element is arranged at the end of the support member extending into the reflector.

9. The two-in-one electric heater according to claim 1, characterized in that The two-in-one electric heater further includes a first switch and a second switch, the first switch is arranged on the power supply line of the first heating element, and the second switch is arranged on the power supply line of the second heating element.

10. The two-in-one electric heater according to claim 1, characterized in that, The number of the blowing devices is multiple, and the multiple blowing devices are arranged in sequence on one side of the second heating element.

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