Air duct structure for electric heater

Abstract

The utility model discloses a kind of air duct structures for electric heater, install at the air inlet of electric heater, it is characterized in that, including fan assembly, air duct structure, air duct structure includes middle connecting part, first side grating, second side grating, first side grating, second side grating link in the two sides of middle connecting part;Middle connecting part includes detachable cover, lower connecting part, form inner air duct between detachable cover, lower connecting part, inner air duct is communicated with the air outlet of fan assembly, detachable cover is provided with fan air outlet along surface;Natural wind vent along inside is provided with natural wind inner partition, first side grating is provided with locking protrusion, side rib plate;Fan assembly operation makes fan wind flow along inner air duct, then blow out along fan air outlet, promote natural wind flow along the inside of electric heater. Middle connecting part along the air of fan air outlet drives the air flow of first side grating, second side grating place more smoothly, solve the problem of low flow efficiency, inharmonious.

Description

Technical Field

[0001] This utility model relates to electric heater technology, and more particularly to an air duct structure for electric heaters. Background Technology

[0002] Currently, temperatures are low in northern China during winter. While temperatures in the south are not as low as in the north, the lack of indoor heating and the damp cold make it feel very cold to the human body, making heating equipment essential during this season. Among currently popular products, electric heaters are widely accepted by consumers due to their safety, convenience, lack of pollution, and high flexibility, and are gradually becoming the mainstream heating equipment. Carbon crystal heaters, on the other hand, have gained favor among some consumers due to their health benefits, rapid heating, and high efficiency.

[0003] Patent document with application number "CN201721707784.7" discloses a graphene smart heater, including a housing, a graphene heating element, a crossflow fan, and a controller disposed inside the housing; the top of the housing has a densely packed first air duct, and the lower part of the housing surface has a second air duct perpendicular to the first air duct; the crossflow fan is disposed inside the housing near the second air duct; the graphene heating element includes a bracket disposed above the crossflow fan for mounting several graphene heating plates, and several graphene heating plates mounted on the bracket; the controller is connected to the crossflow fan and controls the fan's on / off state.

[0004] The aforementioned patent documents, in conjunction with existing technology, reveal the following defects in the current air duct structure for electric heaters:

[0005] Existing technologies for electric heaters suffer from problems such as low airflow efficiency and poor airflow in the air duct. Utility Model Content

[0006] In order to overcome the shortcomings of the existing technology, this utility model provides a duct structure for electric heaters, which solves the problems of low air output efficiency and poor air flow.

[0007] The first aspect of this utility model is to provide a duct structure for an electric heater, which is installed at the air inlet of the electric heater. The duct structure includes a fan assembly and a duct structure, wherein the duct structure includes a central connecting part, a first side grille, and a second side grille, and the first side grille and the second side grille are connected to both sides of the central connecting part.

[0008] The middle connecting part includes a detachable cover and a lower connecting part. The detachable cover is detachably installed on the lower connecting part. An internal air duct is formed between the detachable cover and the lower connecting part. The internal air duct is connected to the air outlet of the fan assembly. The detachable cover is provided with a fan air outlet along its surface.

[0009] The first side grille is provided with multiple natural wind ventilation holes, and the second side grille is provided with multiple second natural wind ventilation holes. The air outlet direction of the fan is the same as the air outlet direction of the natural wind ventilation holes and the second natural wind ventilation holes.

[0010] The natural wind ventilation hole is provided with a natural wind inner partition along the inside, and the first side grille is provided with locking protrusions and side ribs;

[0011] The operation of the fan assembly causes the fan air to flow along the inner air duct, and then blow out along the fan outlet, pushing the natural wind to flow along the interior of the electric heater.

[0012] In a preferred embodiment of the first aspect of this utility model, the removable cover is provided with side buckles on both sides, and the lower connecting part is provided with buckle protrusions on both sides, and the side buckles are fixed to the buckle protrusions.

[0013] In a first aspect of this utility model, as a preferred embodiment, the buckle protrusion is trapezoidal or triangular.

[0014] In a first aspect of this utility model, as a preferred embodiment, the end of the inner air duct is provided with a horn connection end, which is connected to the air outlet of the fan assembly.

[0015] In a first aspect of this utility model, as a preferred embodiment, the cross-section of the inner air duct is rectangular.

[0016] In a first aspect of this utility model, as a preferred embodiment, the width of the first side grille is greater than the width of the second side grille.

[0017] In a first aspect of this utility model, as a preferred embodiment, each of the natural wind ventilation holes is provided with two natural wind internal partitions.

[0018] In a preferred embodiment of the first aspect of this utility model, the natural wind ventilation hole and the second natural wind ventilation hole are rectangular.

[0019] In a first aspect of this utility model, as a preferred embodiment, the length of the natural wind ventilation hole is greater than that of the second natural wind ventilation hole.

[0020] In a first aspect of this utility model, as a preferred embodiment, the air duct structure for the electric heater further includes a spliced ​​air duct, the structure of which is the same as the air duct structure, and the spliced ​​air duct is connected to the end of the air duct structure.

[0021] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0022] The first side grille and the second side grille are connected to both sides of the central connecting part; the central connecting part includes a detachable cover and a lower connecting part, the detachable cover is detachably installed on the lower connecting part, and an internal air duct is formed between the detachable cover and the lower connecting part. The internal air duct is connected to the air outlet of the fan assembly, and the detachable cover is provided with a fan air outlet along its surface; the first side grille is provided with multiple natural wind ventilation holes, and the second side grille is provided with multiple second natural wind ventilation holes. The air outlet direction of the fan air outlet is the same as the air outlet direction of the natural wind ventilation holes and the second natural wind ventilation holes; the natural wind ventilation holes are provided with a natural wind inner partition along their interior, and the first side grille is provided with a locking protrusion and a side rib; the operation of the fan assembly causes the fan air to flow along the internal air duct, and then blow out along the fan air outlet, pushing the natural wind to flow along the interior of the electric heater. The central connecting section, the first side grille, the second side grille, and the fan assembly are integrated together. The airflow along the fan outlet from the central connecting section drives the airflow at the first and second side grilles to be smoother, solving the problems of low flow efficiency and uneven flow. Attached Figure Description

[0023] Figure 1 This is a perspective view of the present utility model;

[0024] Figure 2 This is another perspective view of the present invention;

[0025] Figure 3 This is another perspective view of the present utility model;

[0026] Figure 4 This is another perspective view of the present utility model;

[0027] Figure 5 This is a partial perspective view of the present invention;

[0028] Figure 6 A 3D diagram of an electric heater;

[0029] Figure 7 This is an installation diagram of the structure of this utility model inside an electric heater;

[0030] Figure 8 This is another installation diagram of the structure of this utility model inside an electric heater.

[0031] In the diagram: 10. Fan assembly; 20. Duct structure; 201. Inner duct; 202. Horn connection end; 21. Middle connection part; 211. Removable cover; 2111. Fan outlet; 212. Lower connection part; 2112. Side buckle; 22. First side grille; 220. Buckle protrusion; 221. Natural wind ventilation hole; 222. Natural wind inner partition; 223. Locking protrusion; 224. Side rib; 23. Second side grille; 231. Second natural wind ventilation hole; 24. Spliced ​​duct. Detailed Implementation

[0032] The utility model will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. Unless otherwise specified, the materials and equipment used in this embodiment are all commercially available. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0033] In the description of this application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In the description of this application, "a plurality of" means two or more, unless otherwise precisely specified.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected," "linked," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a connection through an intermediary, or a connection within two elements or an interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0035] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such process, method, product, or apparatus.

[0036] like Figure 1-8As shown, a duct structure for an electric heater, installed at the air inlet of the electric heater, is characterized by comprising a fan assembly 10 and a duct structure 20. The duct structure 20 includes a central connecting portion 21, a first side grille 22, and a second side grille 23, with the first side grille 22 and the second side grille 23 connected to both sides of the central connecting portion 21. The central connecting portion 21 includes a detachable cover 211 and a lower connecting portion 212. The detachable cover 211 is detachably installed on the lower connecting portion 212, and an inner air duct 201 is formed between the detachable cover 211 and the lower connecting portion 212. The inner air duct 201 communicates with the air outlet of the fan assembly 10. 11. A fan outlet 2111 is provided along the surface; the first side grille 22 is provided with multiple natural wind ventilation holes 221, and the second side grille 23 is provided with multiple second natural wind ventilation holes 231. The airflow direction of the fan outlet 2111 is the same as the airflow direction of the natural wind ventilation holes 221 and the second natural wind ventilation holes 231. The natural wind ventilation holes 221 are provided with a natural wind inner partition 222 along the inside. The first side grille 22 is provided with a locking protrusion 223 and a side rib 224. When the fan assembly 10 operates, the fan air flows along the inner air duct 201 and then blows out along the fan outlet 2111, pushing the natural wind to flow along the inside of the electric heater. The central connecting part 21, the first side grille 22, the second side grille 23 and the fan assembly 10 are integrated together. The airflow along the fan outlet 2111 of the central connecting part 21 drives the airflow at the first side grille 22 and the second side grille 23 to flow more smoothly, which solves the problems of low flow efficiency and poor flow.

[0037] In a preferred embodiment of the first aspect of this utility model, the removable cover 211 is provided with side buckles 2112 on both sides, and the lower connecting part 212 is provided with buckle protrusions 220 on both sides. The side buckles 2112 are fixed to the buckle protrusions 220, which makes installation convenient.

[0038] In a preferred embodiment of the first aspect of this utility model, the buckle protrusion 220 is trapezoidal or triangular, which improves the convenience of buckling.

[0039] In a preferred embodiment of the first aspect of this utility model, the end of the inner air duct 201 is provided with a horn connection end 202, which is connected to the air outlet of the fan assembly 10, thereby improving the transmission efficiency of the fan.

[0040] In a first aspect of this utility model, as a preferred embodiment, the cross-section of the inner air duct 201 is rectangular, which improves the flow efficiency.

[0041] In a preferred embodiment of the first aspect of this utility model, the width of the first side grille 22 is greater than the width of the second side grille 23. Each of the natural wind ventilation holes 221 is provided with two natural wind inner partitions 222. The natural wind ventilation holes 221 and the second natural wind ventilation holes 231 are rectangular. The length of the natural wind ventilation hole 221 is greater than that of the second natural wind ventilation hole 231. The air duct structure for the electric heater also includes a spliced ​​air duct 24, the structure of which is the same as that of the air duct structure 20, and the spliced ​​air duct 24 is connected to the end of the air duct structure 20. The length of the spliced ​​air duct 24 can be adjusted and selected according to requirements.

[0042] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. An air duct structure for an electric heater, which is installed at an air inlet of an electric heater, characterized in that, It includes a fan assembly and a duct structure, wherein the duct structure includes a central connecting part, a first side grille, and a second side grille, and the first side grille and the second side grille are connected to both sides of the central connecting part; The middle connecting part includes a detachable cover and a lower connecting part. The detachable cover is detachably installed on the lower connecting part. An internal air duct is formed between the detachable cover and the lower connecting part. The internal air duct is connected to the air outlet of the fan assembly. The detachable cover is provided with a fan air outlet along its surface. The first side grille is provided with multiple natural wind ventilation holes, and the second side grille is provided with multiple second natural wind ventilation holes. The air outlet direction of the fan is the same as the air outlet direction of the natural wind ventilation holes and the second natural wind ventilation holes. The natural wind ventilation hole is provided with a natural wind inner partition along the inside, and the first side grille is provided with locking protrusions and side ribs; The operation of the fan assembly causes the fan air to flow along the inner air duct, and then blow out along the fan outlet, pushing the natural wind to flow along the interior of the electric heater.

2. The air duct structure for an electric heater as described in claim 1, characterized in that: The removable cover has side buckles on both sides, and the lower connecting part has buckle protrusions on both sides, with the side buckles being fixed to the buckle protrusions.

3. The air duct structure for an electric heater as described in claim 2, characterized in that: The buckle protrusion is trapezoidal or triangular.

4. The air duct structure for an electric heater as described in claim 2, characterized in that: The end of the internal air duct is provided with a horn connection end, which is connected to the air outlet of the fan assembly.

5. The air duct structure for an electric heater as described in claim 1, characterized in that: The cross-section of the internal air duct is rectangular.

6. The air duct structure for an electric heater as described in claim 1, characterized in that: The width of the first side grille is greater than the width of the second side grille.

7. The air duct structure for an electric heater as described in claim 1, characterized in that: Each of the aforementioned natural ventilation openings is equipped with two natural ventilation internal partitions.

8. The air duct structure for an electric heater as described in claim 1, characterized in that: The natural wind ventilation hole and the second natural wind ventilation hole are rectangular.

9. The air duct structure for an electric heater as described in claim 1, characterized in that: The length of the natural wind ventilation hole is greater than that of the second natural wind ventilation hole.

10. The air duct structure for an electric heater as described in claim 1, characterized in that: The air duct structure for the electric heater also includes a spliced ​​air duct, the structure of which is the same as the air duct structure, and the spliced ​​air duct is connected to the end of the air duct structure.

Images