CN203404967U - heater - Google Patents

Abstract

The utility model discloses a fan heater, include: a base; the shell is arranged on the base, and a plurality of air outlets which are arranged at intervals along the circumferential direction of the shell are formed in the shell; a centrifugal fan provided in the housing, the centrifugal fan being configured such that wind generated by the centrifugal fan is discharged from the air outlet; the heating component is arranged in the shell; and the top cover is arranged on the shell. According to the utility model discloses a fan heater can realize the multiaspect air-out of fan heater to utilize centrifugal fan to carry out the axial air inlet, the characteristics of circumference air-out, the air-out is smooth and easy, and the feasibility is high, and the radiating effect is good, and the air output is higher than traditional fan heater by more than 75%, and the wind speed can reach the 80% of ordinary fan heater air outlet wind speed.

Description

heater

technical field

The utility model relates to the technical field of household electrical appliances, in particular to a heater.

Background technique

At present, the vast majority of heaters blow air in one direction, which cannot meet the heating needs of many people sitting around. The market urgently needs to develop a multi-faceted air heater to meet the heating needs of many people. There are some related products on the heater market at present, but because this technology adopts the axial-flow fan blade, the axial wind is diverted through the tapered wall surface at the top, and the wind is discharged from the four sides. The multi-faceted wind outlet effect is relatively poor, because the loss caused by the air duct is very large, the air volume and wind speed are very small, and the performance is not very ideal.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems at least to a certain extent.

For this reason, an object of the utility model is to propose a multi-faceted air heater with strong wind speed, large air volume and comfortable heating.

According to the utility model, the heater comprises: a base; a casing, the casing is arranged on the base, and the casing is provided with a plurality of air outlets arranged along its circumference; a centrifugal fan, the centrifugal fan is arranged on In the casing, the centrifugal fan is configured such that the wind generated by it is discharged from the air outlet; a heat generating component is arranged in the casing; and a top cover is arranged in the casing superior.

According to the heater of the utility model, the multi-faceted air outlet of the heater can be realized, and the centrifugal fan is used to carry out the characteristics of axial air inlet and circumferential air outlet, the air outlet is smooth, the feasibility is high, the heat dissipation effect is good, and the air volume is higher than that of the traditional one. The heater is more than 75% higher, and the wind speed can reach 80% of the wind speed at the outlet of the ordinary heater.

In addition, the heater according to the utility model can also have the following additional technical features:

According to an embodiment of the present utility model, it further includes: a plurality of volutes, the plurality of volutes are arranged at intervals along the circumferential direction of the centrifugal fan, and an air outlet corresponding to the air outlet is formed between two adjacent volutes. of the air guide.

According to one embodiment of the present invention, the centrifugal fan includes: an upper cover of the air duct and a lower cover of the air duct, the upper cover of the air duct and the lower cover of the air duct define an assembly space; In the assembly space; and a driving device, the driving device is arranged in the assembly space and drives the centrifugal wind wheel to rotate.

According to an embodiment of the present utility model, the volute is arranged in the assembly space and is respectively connected with the upper cover of the air duct and the lower cover of the air duct.

According to an embodiment of the present invention, there are four volutes, and the four volutes are evenly distributed along the circumferential direction of the centrifugal fan wheel.

According to an embodiment of the present utility model, each of the air outlets is provided with an air outlet grille.

According to an embodiment of the present invention, the heating component is a heating wire or a heating tube, and the heating component is arranged on the base and located below the centrifugal fan.

According to an embodiment of the present invention, it further includes: a heat insulation board, the heat insulation board is arranged in the casing and located on the outer periphery of the heating component.

According to an embodiment of the present utility model, the heating component is a plurality of heating blocks, and the plurality of heating blocks are respectively arranged at the air outlet.

According to an embodiment of the present invention, the heating block is a PTC thermistor.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is an exploded view of a heater according to an embodiment of the present invention;

Fig. 2 is an axial sectional view of a heater according to an embodiment of the present invention;

Fig. 3 is a schematic structural view of a centrifugal fan of a heater according to an embodiment of the present invention;

Fig. 4 is a schematic diagram of the air outlet of the centrifugal fan of the heater according to the embodiment of the utility model;

Reference signs:

10: bottom cover; 11: air inlet;

20: heating components;

30: heat shield;

40: air outlet grille;

50: shell; 51: air outlet;

61: Air duct lower cover; 62: Air duct upper cover; 63: Air guide port;

71: centrifugal wind wheel; 72: driving device;

80: volute;

90: Top cover.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", Orientation indicated by "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be interpreted as a limitation of the present utility model.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The heater according to the embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

As shown in FIGS. 1 to 4 , the air heater according to the embodiment of the present invention includes: a bottom cover 10 , a heating component 20 , a casing 50 and a top cover 90 .

Specifically, the housing 50 is disposed on the base 10, and the housing 50 is provided with a plurality of air outlets 51 arranged along its circumference. The centrifugal fan is arranged in the casing 50 , and the centrifugal fan is configured such that the wind generated by it is discharged from the air outlet 51 . The heating component 20 is set inside the shell 50 , and the top cover 90 is set on the shell 50 .

Thus, according to the heater according to the embodiment of the present utility model, by setting a centrifugal fan in the housing 50, the wind generated by the centrifugal fan can be discharged from a plurality of air outlets 51 distributed along the circumference of the housing 50, so that the multi-faceted air heater can be realized. The air is out, and the centrifugal fan is used for axial air inlet and circumferential air outlet. The air outlet is smooth, the feasibility is high, and the heat dissipation effect is good. The air output is more than 75% higher than that of the traditional heater, and the wind speed can reach ordinary heaters 80% of the wind speed at the fan outlet.

It should be noted that the air outlets 51 can be arranged at intervals on the casing 50 , or can be formed on the casing 50 as ventilation holes arranged around the circumference of the outer periphery 50 , and its specific structure can be reasonably adjusted according to needs. When the heating effect of the heater is not needed, the heating element 20 can be turned off, and the heater can be used as a common fan, which can also achieve the effects of multi-faceted air outlet and increased air volume.

The specific structure of the centrifugal fan can also be reasonably adjusted according to the structure of the casing 50 and the size of the heater, as long as it is configured so that the generated wind can be discharged from the air outlet 51 . Specifically, according to an embodiment of the present invention, as shown in FIG. 1 and FIG. 3 , the centrifugal fan includes: an upper air duct cover 62 , an air duct lower cover 61 , a centrifugal wind wheel 71 and a driving device 72 . The air duct upper cover 62 and the air duct lower cover 61 define an assembly space. The centrifugal wind wheel 71 is rotatably arranged in the assembly space, and the driving device 72 is arranged in the assembly space and drives the centrifugal wind wheel 71 to rotate. Thus, the assembly of the centrifugal fan in the casing 50 can be realized.

Further, according to an embodiment of the present utility model, the air heater further includes: a plurality of volutes 80 arranged at intervals along the circumferential direction of the centrifugal fan, and two adjacent volutes 80 are formed between two adjacent volutes 80 The air guide 63 corresponding to the air outlet 51 (as shown in FIG. 4 ). Preferably, according to an embodiment of the present utility model, the volute 80 is arranged in the assembly space and connected with the upper cover 62 of the air duct and the lower cover 61 of the air duct respectively. Specifically, there is no special limitation on the connection method between the volute 80 and the upper cover 62 of the air duct and the lower cover 61 of the air duct, and methods commonly used by those skilled in the art can be adopted. Optionally, in some specific embodiments of the present utility model, each Each volute 80 is connected with the upper cover 62 of the air duct and the lower cover 61 of the air duct by screws respectively.

In other words, a plurality of volutes 80 can be placed in the assembly space defined by the upper cover 61 and the lower cover 62 of the air duct, and two adjacent volutes 80 are formed in the assembly space formed by the upper cover 61 and the lower cover 62 of the air duct. An air guide port 63 (as shown in FIG. 4 ) is provided, and the air guide port 63 can guide the wind generated by the centrifugal fan, so as to realize multi-faceted air outlet of the heater.

It can be understood that there is no special limitation on the number of the volute 80, and the specific number can be reasonably adjusted according to the needs of use. Preferably, according to an embodiment of the present utility model, there are four volutes 80, and the four volutes 80 are evenly distributed along the circumferential direction of the centrifugal fan wheel. That is to say, the number of volutes 80 is set to four, and each volute 80 is evenly arranged along the circumference, so that two adjacent air guides 63 form 90 degrees to each other, and correspondingly, the air outlet 51 on the casing 50 is also 4. As a result, the heater can realize air outlet from all sides, and the air volume is uniform. The number of volutes 80 is not limited to the above four, but may be two or more. In addition, in order to make the multi-faceted air outlet effect of the heater better, and to achieve 360-degree air outlet, a sliding baffle (not shown) can be added at the heater outlet 51, so as to realize the air outlet control from all sides .

As shown in FIG. 1 and FIG. 2 , according to an embodiment of the present invention, each air outlet 51 is provided with an air outlet grille 40 . Therefore, the grilles 40 are placed at each air outlet 51 to optimize the wind blown from the centrifugal fan to a certain extent, so that the wind blown from the centrifugal fan has a more uniform force and a larger range.

It should be noted that there is no special limitation on the selection of the heating component 20, and heating components commonly used by those skilled in the art in heaters can be used. Optionally, according to an embodiment of the present utility model, the heating component 20 is a heating wire or The heating pipe, the heating assembly 20 is arranged on the base 10 and is located below the centrifugal fan. Therefore, the heating component 20 is arranged under the centrifugal fan. On the one hand, air convection is realized by heating the heating component 20. On the other hand, the air flow is further enhanced by the centrifugal fan. Not only the heat dissipation effect is good, but also the air outlet distance can be increased. Hot air can be felt at a greater distance.

Further, the air heater further includes: a heat insulation board 30 , and the heat insulation board 30 is arranged in the casing 50 and located on the outer periphery of the heating component 20 . Wherein, the assembly structure of the heat generating component 20 on the base 10 and the structure of the heat shield 30 are understandable and easy to implement by those skilled in the art, so details are not repeated here. Thus, the air heater can heat the air entering from the air inlet 11, and the heating function of the air heater can be realized, and the heat generated by the heating element 20 is not easy to dissipate to the surroundings, and the heat generated by the heating element 20 is more concentrated, warming the air. The temperature of the hot air blown by the fan is higher, and the heating function of the heater is better. Moreover, the heat utilization rate of the heater is higher, which will be more energy-saving and efficient.

The heating structure of the heater is not particularly limited to the heating assembly 20 of the above-mentioned embodiment. In other specific embodiments of the present utility model, the heating assembly 20 is a plurality of heating blocks (not shown), and the plurality of heating blocks are respectively Located at the air outlet 51. In other words, the heating structure of the heater is directly arranged at the position of the air outlet 51 instead of placing the heating element at the air inlet 11 as in the above embodiment, so that the heating function of the heater can also be realized. Specifically, the wind enters the casing 50 from the air inlet 11, blows to each air outlet 51 under the action of the centrifugal fan, and forms hot air through the heating of the heating block near the air outlet 51 and discharges it from the air outlet 51 to realize the heating function of the heater. .

Further, according to an embodiment of the present invention, the heating block is a PTC thermistor. Therefore, using the characteristics of constant temperature heating, high heat conversion rate and long natural life of PTC thermistor, the heater can also realize the heating function.

In a word, the heater according to the embodiment of the utility model utilizes the centrifugal fan to carry out the axial air inlet and the circumferential air outlet, the air outlet is smooth, the feasibility is high, the air output is more than 75% higher than the traditional heater, and the wind speed It can reach 80% of the wind speed at the air outlet of ordinary heaters.

Other configurations and operations of the heater according to the utility model are known to those skilled in the art and will not be described in detail here.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be construed as limitations of the present invention. The above-mentioned embodiments can be changed, modified, replaced and modified within the scope of the present utility model under the principle and purpose.

Claims (10)

1. a warm-air drier, is characterized in that, comprising:

Base;

Shell, described shell is located on described base, and described shell is provided with a plurality of air outlets along its circumferential arrangement;

Centrifugal blower, described centrifugal blower is located in described shell, and described centrifugal blower is configured to the wind of its generation and discharges from described air outlet;

Heat generating component, described heat generating component is located in described shell; With

Top cover, described top cover is located on described shell.

2. warm-air drier according to claim 1, is characterized in that, also comprises: a plurality of spiral cases, a plurality of described spiral cases are circumferentially arranged spaced apart along described centrifugal blower, form the air guide hole corresponding with described air outlet between adjacent two spiral cases.

3. warm-air drier according to claim 2, is characterized in that, described centrifugal blower comprises:

Air channel upper cover and air channel lower cover, described air channel upper cover and air channel lower cover limit assembly space;

Centrifugal wind wheel, described centrifugal wind wheel is located in described assembly space rotationally; With

Drive unit, described drive unit is located in described assembly space and drives described centrifugal wind wheel to rotate.

4. warm-air drier according to claim 3, is characterized in that, described spiral case is located in described assembly space and is connected with described air channel lower cover with described air channel upper cover respectively.

5. warm-air drier according to claim 3, is characterized in that, described spiral case is four, four described spiral cases being circumferentially uniformly distributed along described centrifugal wind wheel.

6. warm-air drier according to claim 1, is characterized in that, described in each, air outlet place is provided with air outlet barrier.

7. according to the warm-air drier described in any one in claim 1-6, it is characterized in that, described heat generating component is heating wire or heat-generating pipe, and described heat generating component is located on described base and is positioned at the below of described centrifugal blower.

8. warm-air drier according to claim 7, is characterized in that, also comprises: thermal insulation board, described thermal insulation board is located in described shell and is positioned at the periphery of described heat generating component.

9. warm-air drier according to claim 1, is characterized in that, described heat generating component is a plurality of heating blocks, and a plurality of described heating blocks are located at respectively described air outlet place.

10. warm-air drier according to claim 9, is characterized in that, described heating block is PTC thermistor.

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