Fan units and heaters

Abstract

The present application relates to a fan device and an electric heater, the fan device comprising a fan body, a mounting bracket and a heating element, the fan body being a DC fan; the fan body and the heating element being arranged on both sides of the mounting bracket respectively; a buffer groove being arranged on the side of the mounting bracket facing the fan body, the size of the buffer groove being gradually reduced from the side close to the fan body to the side close to the heating element; a vent hole being arranged on the side of the mounting bracket facing the heating element, the vent hole being connected to the buffer groove. In the present application, by adopting a DC fan instead of a wind drum structure, the structure can be simplified, the assembly difficulty can be reduced, and the cost can be reduced; the size of the buffer groove being arranged to be gradually reduced from the side close to the fan body to the side close to the heating element can buffer the airflow and reduce the noise.

Description

Technical Field

[0001] The present application relates to the technical field of electric heating equipment, and in particular to a fan device and an electric heater. Background Art

[0002] Most of the electric heaters currently used in the market use wind blower devices, which have high costs, complicated assembly processes, and are difficult to repair when problems occur. In addition, the power system of the wind blower device causes a lot of noise when working, which reduces the competitiveness of the product when forming a product sales matrix. Utility Model Content

[0003] The present application provides a fan device and an electric heater to simplify the assembly process, reduce costs and reduce noise.

[0004] In one aspect, the present application provides a fan device for an electric heater, the fan device comprising:

[0005] A fan body, wherein the fan body is a DC fan;

[0006] Heat generating components; and

[0007] A mounting bracket is provided, and the fan body and the heating element are respectively arranged on both sides of the mounting bracket; a buffer groove is provided on the side of the mounting bracket facing the fan body, and the size of the buffer groove gradually decreases from the side close to the fan body to the side close to the heating element; a vent is provided on the side of the mounting bracket facing the heating element, and the vent is communicated with the buffer groove.

[0008] Furthermore, the mounting bracket comprises:

[0009] A first mounting portion, the first mounting portion includes two buffer walls and an annular positioning wall, the positioning wall has a positioning hole, the fan body is located in the positioning hole; the two buffer walls are respectively connected to the positioning walls and are arranged opposite to each other; the buffer wall is located between the heating element and the fan body; the buffer wall is provided with an inclined arc surface on one side facing the fan body, and the two arc surfaces and the positioning wall enclose the buffer groove;

[0010] The second mounting part is located on the side of the first mounting part facing the heating element, and the second mounting part is detachably connected to the heating element; the second mounting part is provided with the ventilation hole, and the upper side wall and the lower side wall of the ventilation hole are respectively connected to the two buffer walls.

[0011] Furthermore, the buffer wall is provided with a first connecting portion, the first connecting portion is provided with a first connecting hole; the fan body is provided with a second connecting portion on the side facing the mounting bracket, the second connecting portion is provided with a second connecting hole, and the second connecting hole is arranged corresponding to the first connecting hole; the mounting bracket and the fan body are connected by a first connecting piece passing through the first connecting hole and the second connecting hole.

[0012] Furthermore, a reinforcing rib is provided on a side of the buffer wall facing away from the fan device.

[0013] Furthermore, the number of the fan bodies is one or more, the number of the buffer grooves is the same as the number of the fan bodies, and the buffer grooves and the fan bodies are arranged in a one-to-one correspondence.

[0014] Furthermore, the heating element comprises:

[0015] An assembly frame, the assembly frame being detachably connected to the mounting bracket; the assembly frame having an assembly through hole corresponding to the vent hole;

[0016] A heating element is installed in the assembly through hole.

[0017] Furthermore, a connecting protrusion is provided on the side of the peripheral edge of the assembly frame facing the mounting bracket, and the connecting protrusion is provided with a third connecting hole; a second connecting column is provided on the outer peripheral side wall of the mounting bracket, and the second connecting column is provided with a fourth connecting hole; the fourth connecting hole is arranged corresponding to the third connecting hole, and the connecting protrusion and the second connecting column are connected by a second connecting piece passing through the third connecting hole and the fourth connecting hole.

[0018] Furthermore, there are a plurality of second connecting columns, and the plurality of second connecting columns are arranged side by side. A reinforcing rib is provided on the outer periphery of each second connecting column, and two adjacent second connecting columns are connected by the reinforcing rib.

[0019] Furthermore, a mounting base is provided at the lower portion of the mounting bracket, and a third connecting column is provided on the mounting base. The third connecting column is used to be connected to the external shell through a third connecting member.

[0020] On the other hand, the present application also provides an electric heater, comprising:

[0021] case;

[0022] The fan device as described above is arranged in the housing.

[0023] The above technical solution provided by the embodiment of the present application has the following advantages compared with the prior art:

[0024] The fan device provided in the embodiment of the present application includes a fan body, a mounting bracket and a heating element, wherein the fan body is a DC fan; the fan body and the heating element are respectively arranged on both sides of the mounting bracket; a buffer groove is provided on the side of the mounting bracket facing the fan body, and the size of the buffer groove gradually decreases from the side close to the fan body to the side close to the heating element; a vent is provided on the side of the mounting bracket facing the heating element, and the vent is connected to the buffer groove. In this way, by using a DC fan instead of a wind drum structure in the present application, the structure can be simplified, the assembly difficulty can be reduced, and the cost can be reduced; at the same time, in the present application, the mounting bracket is used to provide an installation base for the heating element and the fan body, and the heating element and the mounting bracket are respectively located on the opposite sides of the mounting bracket, and ventilation is achieved through the buffer groove and the vent; furthermore, the size of the buffer groove is set to gradually decrease from the side close to the fan body to the side close to the heating element, which can buffer the airflow and reduce noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] 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.

[0026] 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.

[0027] 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.

[0028] Figure 1 A schematic structural diagram of a fan device provided in the first embodiment of the present application;

[0029] Figure 2 for Figure 1 Schematic cross-sectional view of ;

[0030] Figure 3 for Figure 1 Schematic diagram of the decomposition structure;

[0031] Figure 4 for Figure 3 A schematic diagram of another angle of the mounting bracket;

[0032] Figure 5 A schematic structural diagram of a fan device provided in the second embodiment of the present application;

[0033] Figure 6 for Figure 5 Schematic diagram of the decomposition structure;

[0034] Figure 7 A schematic diagram of the structure of an electric heater provided in an embodiment of the present application.

[0035] Description of reference numerals:

[0036] 1. Fan body; 11. Second connecting part;

[0037] 2. Mounting bracket; 210. Buffer groove; 220. Ventilation hole; 21. First mounting portion; 211. Buffer wall; 2110. Arc surface; 2111. First connecting portion; 212. Positioning wall; 2120. Positioning hole; 22. Second mounting portion; 221. Upper side wall; 222. Lower side wall; 23. Reinforcement rib; 24. Second connecting column; 25. Reinforcement rib; 26. Mounting base; 261. Third connecting column;

[0038] 3. Heating element; 31. Assembly frame; 32. Heating element; 33. Connecting protrusion;

[0039] 4. Shell. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0041] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention may repeat reference numbers and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0042] For ease of description, spatial relative terms may be used herein to describe the relative positional relationship or movement of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure undergoes a position flip or a posture change or a motion state change, then these directional indications also change accordingly, for example: an element described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative descriptors used herein are interpreted accordingly.

[0043] The fan device provided in the embodiment of the present application is used for an electric heater, such as Figure 7 As shown, the electric heater includes a shell 4, a fan device is arranged in the shell 4, and the shell 4 is provided with an air inlet and an air outlet. External air is sucked into the shell 4, and after being heated by the heating element 3 in the shell 4, it is discharged from the air outlet to provide hot air and play a heating role.

[0044] The fan device provided in the embodiment of the present application includes a fan body 1, a mounting bracket 2 and a heating element 3, the fan body 1 is a DC fan; the fan body 1 and the heating element 3 are respectively arranged on both sides of the mounting bracket 2; a buffer groove 210 is provided on the side of the mounting bracket 2 facing the fan body 1, and the size of the buffer groove 210 gradually decreases from the side close to the fan body 1 to the side close to the heating element 32; a vent hole 220 is provided on the side of the mounting bracket 2 facing the heating element 3, and the vent hole 220 is connected to the buffer groove 210.

[0045] It can be understood that in the present application, by using a DC fan instead of a wind blower structure, the structure can be simplified, the difficulty of assembly can be reduced, and the cost can be reduced; at the same time, in the present application, an installation base is provided for the heating element 3 and the fan body 1 through an installation bracket 2, and the heating element 3 and the installation bracket 2 are respectively located on opposite sides of the installation bracket 2, and ventilation is achieved through the buffer groove 210 and the vent hole 220; furthermore, the size of the buffer groove 210 is set to gradually decrease from the side close to the fan body 1 to the side close to the heating element 3, which can buffer the airflow and reduce noise.

[0046] In the technical solution of this embodiment, the number of the fan bodies 1 is one or more, the number of the buffer grooves 210 is the same as the number of the fan bodies 1, and the buffer grooves 210 and the fan bodies 1 are arranged in a one-to-one correspondence.

[0047] It can be understood that the use of a DC fan can simplify assembly. To meet the needs of different electric heater models, a mounting bracket 2 with a corresponding buffer groove 210 and a corresponding fan body 1 can be selected; wherein the buffer groove 210 and the fan body 1 are arranged one-to-one in correspondence, which can reduce noise and smooth the airflow.

[0048] like Figures 1 to 4 It is a schematic diagram of the first embodiment, in which there are two fan bodies 1 .

[0049] like Figures 5 and 6 It is a schematic diagram of the second embodiment, in which the number of the fan body 1 is one. Figure 7 It is a schematic diagram of the structure of the second embodiment after being applied to an electric heater.

[0050] like Figures 1 to 6 As shown, in the technical solution of this embodiment, the mounting bracket 2 includes a first mounting portion 21 and a second mounting portion 22, the first mounting portion 21 includes two buffer walls 211 and an annular positioning wall 212, the positioning wall 212 has a positioning hole 2120, and the fan body 1 is located in the positioning hole 2120; the two buffer walls 211 are respectively connected to the positioning walls 212 and are arranged oppositely; the buffer wall 211 is located between the heat generating element 3 and the fan body 1; the side of the buffer wall 211 facing the fan body 1 is provided with an inclined arc surface 2110, and the two arc surfaces 2110 and the positioning wall 212 enclose the buffer groove 210; the second mounting portion 22 is located on the side of the first mounting portion 21 facing the heat generating element 3, and the second mounting portion 22 is detachably connected to the heat generating element 3; the second mounting portion 22 is provided with the vent 220, and the upper side wall 221 and the lower side wall 222 of the vent 220 are respectively connected to the two buffer walls 211.

[0051] It can be understood that the connection between the mounting bracket 2 and the fan body 1 is realized through the first mounting portion 21; the positioning hole 2120 of the positioning wall 212 provides positioning for the fan body 1 to achieve the purpose of rapid positioning and assembly; the two buffer walls 211 are relatively arranged to form a flared buffer groove 210 to achieve the purpose of noise reduction; wherein, the side of the buffer wall 211 facing the fan body 1 is provided with an inclined arc surface 2110, which can further buffer the airflow and reduce the noise. At the same time, the second mounting portion 22 realizes the connection between the mounting bracket 2 and the heating element 3, and the connectivity of the airflow is ensured by the setting of the vent 220. The upper side wall 221 and the lower side wall 222 of the vent 220 are respectively connected to the two buffer walls 211, which can achieve a smooth transition of the airflow.

[0052] like Figure 4 As shown, in the technical solution of this embodiment, the buffer wall 211 is provided with a first connecting portion 2111, and the first connecting portion 2111 is provided with a first connecting hole; the fan body 1 is provided with a second connecting portion 11 on the side facing the mounting bracket 2, and the second connecting portion 11 is provided with a second connecting hole, and the second connecting hole is arranged corresponding to the first connecting hole; the mounting bracket 2 and the fan body 1 are connected by a first connecting member penetrating the first connecting hole and the second connecting hole.

[0053] It can be understood that by providing the first connection portion 2111 and the second connection portion 11, a connection position is provided for connecting the mounting bracket 2 and the fan body 1, which can reduce the difficulty of assembly, improve assembly efficiency, and also improve connection stability.

[0054] like Figure 1 , Figure 2 and Figure 5 As shown, in the technical solution of this embodiment, a reinforcing rib 23 is provided on the side of the buffer wall 211 away from the fan device.

[0055] It is understandable that the reinforcement rib 23 can be provided to strengthen the strength of the buffer wall 211. At the same time, when the fan device is installed on the housing 4 of the electric heater, the reinforcement rib 23 abuts against the air guide member provided at the air outlet of the housing 4.

[0056] like Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6 As shown, in the technical solution of this embodiment, the heating element 3 includes an assembly frame 31 and a heating element 32, and the assembly frame 31 is detachably connected to the mounting bracket 2; the assembly frame 31 has an assembly through hole corresponding to the vent hole 220; and the heating element 32 is installed in the assembly through hole.

[0057] It can be understood that the assembly frame 31 provides an installation base for the installation of the heating element 32, and the assembly through hole is connected to the vent hole 220 to achieve air flow conduction and ensure that the heating element 32 heats the incoming air.

[0058] like Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, in the technical solution of this embodiment, a connecting protrusion 33 is provided on the side of the peripheral edge of the assembly frame 31 facing the mounting bracket 2, and the connecting protrusion 33 is provided with a third connecting hole; a second connecting column 24 is provided on the outer peripheral side wall of the mounting bracket 2, and the second connecting column 24 is provided with a fourth connecting hole; the fourth connecting hole is arranged corresponding to the third connecting hole, and the connecting protrusion 33 and the second connecting column 24 are connected by a second connecting piece passing through the third connecting hole and the fourth connecting hole.

[0059] It can be understood that, through the cooperation between the connecting protrusion 33 and the second connecting column 24, the heating element 3 and the mounting bracket 2 can be quickly assembled, and the assembly is simple, while the connection stability can be improved.

[0060] like Figure 6 As shown, in the technical solution of this embodiment, there are multiple second connecting columns 24, and the multiple second connecting columns 24 are arranged side by side. A reinforcing rib 25 is provided on the outer periphery of each second connecting column 24, and two adjacent second connecting columns 24 are connected by the reinforcing rib 25.

[0061] It is understandable that by providing a plurality of second connection columns 24, the stability of the mounting bracket 2 and the assembly frame 31 can be improved. The outer periphery of the second connection column 24 is provided with a reinforcing rib 25, which can improve the strength of the second connection column 24, thereby improving the connection stability and reliability.

[0062] like Figures 1 to 7 As shown, in the technical solution of this embodiment, a mounting base 26 is provided at the lower part of the mounting bracket 2, and a third connecting column 261 is provided on the mounting base 26, and the third connecting column 261 is used to connect with the external shell through a third connecting member. When the fan device of the present application is applied to an electric heater, the second connecting column 24 is detachably connected to the shell 4 through the third connecting member.

[0063] It can be understood that the third connecting column 261 is used to fix the fan device in the housing 4, which is convenient for installation and has a stable connection.

[0064] On the other hand, Figure 7As shown, the present application also provides an electric heater, including a housing 4 and the above-mentioned fan device. The specific structure of the fan device refers to the above-mentioned embodiment. Since the electric heater adopts all the technical solutions of all the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here. Among them, the housing 4; the fan device is arranged in the housing 4.

[0065] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.

[0066] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.

[0067] The above description is only a specific embodiment of the present invention, so that those skilled in the art can understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A fan device for an electric heater, characterized in that: The fan device comprises: A fan body (1), wherein the fan body (1) is a DC fan; a heating element (3); and The mounting bracket (2) is provided with a fan body (1) and the heating element (3) respectively on two sides of the mounting bracket (2); a buffer groove (210) is provided on a side of the mounting bracket (2) facing the fan body (1), and the size of the buffer groove (210) gradually decreases from the side close to the fan body (1) to the side close to the heating element (3); a vent hole (220) is provided on a side of the mounting bracket (2) facing the heating element (3), and the vent hole (220) is communicated with the buffer groove (210).

2. The fan device according to claim 1, characterized in that The mounting bracket (2) comprises: A first mounting portion (21), the first mounting portion (21) comprising two buffer walls (211) and an annular positioning wall (212), the positioning wall (212) having a positioning hole (2120), the fan body (1) being located in the positioning hole (2120); the two buffer walls (211) are respectively connected to the positioning walls (212) and are arranged opposite to each other; the buffer wall (211) is located between the heating element (3) and the fan body (1); the side of the buffer wall (211) facing the fan body (1) is provided with an inclined arc surface (2110), the two arc surfaces (2110) and the positioning wall (212) enclose the buffer groove (210); A second mounting portion (22), the second mounting portion (22) being located on a side of the first mounting portion (21) facing the heating element (3), the second mounting portion (22) being detachably connected to the heating element (3); the second mounting portion (22) being provided with the vent hole (220), the upper side wall (221) and the lower side wall (222) of the vent hole (220) being respectively connected to the two buffer walls (211).

3. The fan device according to claim 2, characterized in that The buffer wall (211) is provided with a first connecting portion (2111), and the first connecting portion (2111) is provided with a first connecting hole; the fan body (1) is provided with a second connecting portion (11) on a side facing the mounting bracket (2), and the second connecting portion (11) is provided with a second connecting hole, and the second connecting hole is arranged corresponding to the first connecting hole; the mounting bracket (2) and the fan body (1) are connected by a first connecting member which is penetrated through the first connecting hole and the second connecting hole.

4. The fan device according to claim 2, characterized in that A reinforcing rib (23) is provided on a side of the buffer wall (211) facing away from the fan device.

5. The fan device according to claim 1, characterized in that: The number of the fan bodies (1) is one or more, the number of the buffer grooves (210) is the same as the number of the fan bodies (1), and the buffer grooves (210) and the fan bodies (1) are arranged in a one-to-one correspondence.

6. The fan device according to claim 1, characterized in that The heating element (3) comprises: An assembly frame (31), the assembly frame (31) being detachably connected to the mounting bracket (2); the assembly frame (31) having an assembly through hole corresponding to the vent hole (220); A heating element (32), wherein the heating element (32) is installed in the assembly through hole.

7. The fan device according to claim 6, characterized in that A connecting protrusion (33) is provided on the side of the peripheral edge of the assembly frame (31) facing the mounting bracket (2), and the connecting protrusion (33) is provided with a third connecting hole; a second connecting column (24) is provided on the outer peripheral side wall of the mounting bracket (2), and the second connecting column (24) is provided with a fourth connecting hole; the fourth connecting hole is arranged corresponding to the third connecting hole, and the connecting protrusion (33) and the second connecting column (24) are connected by a second connecting piece which is penetrated through the third connecting hole and the fourth connecting hole.

8. The fan device according to claim 7, characterized in that There are a plurality of second connecting columns (24), and the plurality of second connecting columns (24) are arranged side by side. A reinforcing rib (25) is provided on the outer periphery of each second connecting column (24), and two adjacent second connecting columns (24) are connected via the reinforcing rib (25).

9. The fan device according to claim 1, characterized in that A mounting base (26) is provided at the lower part of the mounting bracket (2), and a third connecting column (261) is provided on the mounting base (26), and the third connecting column (261) is used to be connected to an external shell through a third connecting member.

10. An electric heater, characterized in that: The electric heater comprises: Housing (4); The fan device according to any one of claims 1 to 9, wherein the fan device is arranged in the housing (4).

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