CN220892357U - Electric heater - Google Patents

Abstract

The utility model belongs to the technical field of heating equipment, and relates to an electric heater, which comprises a base, a shell, a cover plate, an air duct component, a heating component and a fan component, wherein a plurality of air outlets are formed in the base; the shell is vertically arranged on the base; the cover plate is arranged at the top of the shell and provided with a plurality of air inlets; the cover plate, the shell and the base form an installation cavity together; the air duct component is arranged in the mounting cavity; one end of the air duct component is communicated with the air inlet, and the other end of the air duct component is communicated with the air outlet; the heating component and the fan component are both arranged in the air duct component; the air inlet is arranged on the air channel assembly, and the air inlet is connected with the air channel assembly. The electric heater adopts the mode of upper air inlet and lower air outlet, can greatly improve the heating effect on the indoor bottom, is beneficial to the foot heating of a user, and avoids the problem of head heating and foot cooling of the user.

Description

Electric heater

Technical Field

The utility model relates to the technical field of heating equipment, in particular to an electric heater.

Background

In recent years, with the improvement of living standard and the coming-out of the national policy of changing coal into electricity, electric heaters in heating equipment are becoming popular.

The existing electric heater generally adopts an air flow mode of bottom air inlet and top air outlet or side air inlet and top air outlet for heating. However, the hot air blown by the electric heater is not blown to the feet of the user all the time, and the phenomenon of head heat and foot cold appears, so that the use experience of the user is greatly influenced.

Disclosure of utility model

The embodiment of the utility model aims to solve the technical problems of poor heating effect and low comfort level of the inner bottom of the space of the conventional electric heater.

In order to solve the technical problems, the embodiment of the utility model provides an electric heater, which adopts the following technical scheme:

The electric heater comprises:

the base is provided with a plurality of air outlets;

the shell is vertically arranged on the base;

The cover plate is arranged at the top of the shell and provided with a plurality of air inlets, and the cover plate, the shell and the base form a mounting cavity together;

The air duct assembly is arranged in the mounting cavity, one end of the air duct assembly is communicated with the air inlet, and the other end of the air duct assembly is communicated with the air outlet;

the heating component is arranged in the air duct component;

The fan assembly is arranged in the air duct assembly; the air inlet is arranged on the air channel assembly, and the air inlet is connected with the air channel assembly.

Further, in a preferred solution of some embodiments, a plurality of the air outlets are annularly arranged at intervals on the orthographic projection of the base.

Further, in a preferred version of some embodiments, the air duct assembly includes a first air duct structure and a second air duct structure in communication with the first air duct structure, one end of the first air duct structure being connected to the housing and the other end being connected to the second air duct structure;

The heating assembly is arranged in the first air duct structure or the second air duct structure, and the fan assembly is arranged in the second air duct structure.

Further, in a preferred aspect of some embodiments, a mounting portion is disposed in the second air duct structure at an end facing the first air duct structure, and the heating assembly is detachably mounted in the second air duct structure through the mounting portion.

Further, in a preferred solution of some embodiments, the electric heater further includes an air guiding member, where the air guiding member is mounted on the base, so as to guide the hot air in the second air duct structure to flow toward the corresponding air outlet.

Further, in a preferred aspect of some embodiments, the air guide member is in a horn shape, a wide-mouth end of the air guide member is connected with the base, and a narrow-mouth end of the air guide member is connected with the fan assembly.

Further, in a preferred aspect of some embodiments, the fan assembly includes a fixing frame, a driving member, and a wind drum, the fixing frame is mounted at a narrow opening end of the wind guiding member, the driving member is mounted on the fixing frame, and the wind drum is mounted at an output end of the driving member.

Further, in a preferred solution of some embodiments, the fixing frame is provided with a receiving groove, the driving member is mounted in the receiving groove, and an output end of the driving member extends out of the fixing frame.

Further, in a preferred version of some embodiments, the heating assembly is a PTC module.

Further, in a preferred solution of some embodiments, at least one group of supporting feet is provided on the base, the number of the supporting feet in each group is 2, and the 2 supporting feet in each group are symmetrically arranged along the center of the orthographic projection of the base.

Compared with the prior art, the electric heater provided by the embodiment of the utility model has the following main beneficial effects:

The electric heater adopts the mode of upper air inlet and lower air outlet, specifically, external air enters the air duct assembly from the air inlet on the cover plate under the drive of the fan assembly, flows into the heating assembly for heating, and then is blown out from the air outlet on the base, namely, external cold air enters the electric heater from the top for heating, and heated hot air is blown out from the bottom. Therefore, the heating effect on the indoor bottom can be greatly improved, the foot warming of a user is facilitated, and the problem that the user has 'head hot and foot cold' is avoided.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art. Wherein:

Fig. 1 is a schematic structural view of an electric heater according to an embodiment of the present utility model;

Fig. 2 is a schematic cross-sectional structure of the electric heater of fig. 1;

fig. 3 is an exploded view of the electric heater of fig. 1;

FIG. 4 is a schematic view of the base of FIG. 3;

FIG. 5 is a schematic view of the structure of the cover plate in FIG. 3;

FIG. 6 is a schematic structural view of the second duct structure of FIG. 3;

fig. 7 is a schematic structural view of the air guide in fig. 3.

The reference numerals in the drawings are as follows:

100. An electric heater;

10. a base; 11. an air outlet; 12. supporting feet;

20. A housing;

30. a cover plate; 31. an air inlet;

40. an air duct assembly; 41. a first air duct structure; 42. a second air duct structure; 421. a mounting part;

50. a heating assembly;

60. A fan assembly; 61. a fixing frame; 611. a receiving groove; 62. a driving member; 63. a wind drum;

70. an air guide member; 71. a narrow mouth end; 72. a wide mouth end.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present utility model, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientations or positions based on the drawings, which are merely for convenience of description and are not to be construed as limiting the present utility model.

The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the description of the utility model and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides an electric heater 100, wherein the electric heater 100 is used for heating and is usually placed on a ground, a table top and other supporting platforms, and belongs to a vertical electric heater 100.

As shown in fig. 1 to 3, the electric heater 100 includes a base 10, a housing 20, a cover 30, an air duct assembly 40, a heating assembly 50, and a blower assembly 60. The base 10 is placed on a supporting plane (specifically, a ground, a table top, etc.) to support the electric heater 100 as a whole.

In addition, in order to protect the duct assembly 40 and the fan assembly 60, to improve the service life of the electric heater 100, the housing 20 is vertically installed on the base 10, the cover plate 30 is installed on the top of the housing 20, and the cover plate 30, the housing 20 and the base 10 are jointly formed with an installation cavity (not shown), in which the heating assembly 50 and the fan assembly 60 are installed.

It will be appreciated that when the electric heater 100 collides or knocks, the cover plate 30, the housing 20 and the base 10 can be subjected to external force first, so as to avoid the air duct assembly 40 and the fan assembly 60 from being damaged directly by the external force.

It should be noted that, in other embodiments, the base 10, the housing 20, and the cover 30 may be manufactured by integrally forming, which is not limited in the present utility model, and may be selected by those skilled in the art according to practical situations.

In addition, as shown in fig. 1 to 5, in order to enable the electric heater 100 to effectively heat and circulate the external air to provide a comfortable indoor environment for a user, a plurality of air inlets 31 are formed in the cover 30, and a plurality of air outlets 11 are formed in the base 10. One end of the air duct assembly 40 is communicated with the air inlet 31, the other end is communicated with the air outlet 11, and external air can enter the air duct assembly 40 from the air inlet 31 under the driving of the fan assembly 60, flows through the heating assembly 50, and is blown out along the air outlet 11.

It will be appreciated that when the electric heater 100 is used, the external cool air is first driven by the fan assembly 60 to enter the air duct assembly 40 from the air inlet 31 of the cover 30. In the duct assembly 40, the cool air is warmed by the heating assembly 50, and then the warmed air continues to flow along the duct assembly 40 and is blown out from the air outlet 11 on the base 10 to provide warm air to the surroundings.

It should be noted that, compared with the existing electric heater 100, the electric heater 100 adopts the mode of upper air inlet and lower air outlet, that is, the electric heater 100 blows heated hot air from the bottom, so that the heating effect on the indoor bottom can be greatly improved, thereby being beneficial to the foot warming of a user and avoiding the problem of head heat and foot cold of the user.

In order to better understand the solution of the present utility model by those skilled in the art, the following description will clearly and completely describe the solution of the embodiment of the present utility model with reference to fig. 1 to 7.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 1 and fig. 4, a plurality of air outlets 11 are annularly arranged at intervals on the front projection of the base. In this embodiment, the base is cylindrical, and the plurality of air outlets are annularly spaced along the circumferential direction of the base 10.

It should be noted that by arranging the air outlets 11 at annular intervals, firstly, warm air can be more uniformly emitted from the bottom, namely, the electric heater can emit air at 360 degrees, the coverage area is wider, and the indoor temperature distribution is more uniform; the annular arrangement of the secondary air outlets 11 also increases the aesthetics of the electric heater 100, making its appearance more attractive.

Of course, in other embodiments, the air outlets 11 may be arranged in other ways, which are not limited in the present utility model, and may be selected by those skilled in the art according to practical situations.

Further, as shown in fig. 2 and 3, as a specific embodiment of the electric heater 100 provided by the present utility model, the air duct assembly 40 includes a first air duct structure 41 and a second air duct structure 42. One end of the first air duct structure 41 is connected to the housing 20, so as to guide the air flowing into the electric heater 100, and ensure that the air entering from the air inlet 31 can smoothly enter the air duct assembly 40.

In addition, in order to allow air to smoothly flow in the duct assembly 40, the other end of the first duct structure 41 is connected with the second duct structure 42, and the first duct structure 41 and the second duct structure 42 communicate with each other. It will be appreciated that when the electric heater 100 is used, the external air enters the first air duct structure 41 from the air inlet 31, then flows into the second air duct structure 42 along the first air duct structure 41, and finally is discharged from the air outlet 11.

In addition, to achieve the flow of air and the heating of air within the air duct assembly 40, the heating assembly 50 is mounted within the first air duct structure 41 or within the second air duct structure 42, and the fan assembly 60 is mounted within the second air duct structure 42.

Preferably, in the present embodiment, as shown in fig. 2 and 6, a mounting portion 421 is provided in the second air duct structure 42 at an end facing the first air duct structure 41, and the heating assembly 50 is detachably mounted in the second air duct structure 42 through the mounting portion 421.

It can be appreciated that when the electric heater 100 is used, the external cold air firstly enters the first air duct structure 41 from the air inlet 31 of the cover plate 30 under the driving of the fan assembly 60, then the heating assembly 50 heats the cold air in the first air duct structure 41, and the heated warm air continues to flow along the second air duct structure 42 under the driving of the fan assembly 60 and is blown out from the air outlet 11 on the base 10, so as to provide warm air for the surrounding.

When cleaning or replacing the heating assembly 50 is required, the user only needs to remove or mount the heating assembly 50 from the mounting portion 421 to the second air duct structure 42. Thereby, maintenance and repair processes can be simplified, operability and convenience of the electric heater 100 are improved, and the type selection and replacement of the heating assembly 50 are made more flexible and sustainable.

For example, a buckle (not shown) is provided on the heating assembly 50, a slot (not shown) is provided in the end of the second air duct structure 42 facing the first air duct structure 41, and when the heating assembly 50 needs to be installed, a user only needs to fasten the buckle in the slot. When the heating assembly 50 needs to be maintained or replaced, the user only needs to release the connection between the buckle and the clamping groove, and the heating assembly 50 and the second air duct structure 42 are not damaged.

Of course, in other embodiments, the mounting portion 421 may also have other detachable connection structures such as a magnetic attraction structure and a protruding structure, which is not limited in the present utility model, and those skilled in the art may select according to practical situations.

Further, as a specific embodiment of the electric heater 100 provided by the present utility model, as shown in fig. 2, 3 and 7, the electric heater 100 further includes an air guiding member 70, where the air guiding member 70 is mounted on the base 10 to guide the hot air in the second air duct structure 42 to flow to the corresponding air outlet 11.

In this embodiment, the air guide 70 is in a horn shape, the wide opening end 72 of the air guide 70 is connected with the base 10, the narrow opening end 71 of the air guide 70 is connected with the fan assembly 60, and when the fan assembly 60 drives the hot air in the second air duct to flow, the hot air can flow from the narrow opening end 71 to the wide opening end 72 along the outer surface of the horn-shaped air guide 70 and be blown out from the air outlet 11 corresponding to the base 10.

Thereby, the flow of hot air in other directions (particularly, the vertical direction and the reverse direction opposite to the air outlet 11) can be reduced, so that the effective hot air quantity flowing to the air outlet 11 is increased, and the more efficient heating effect of the electric heater 100 is realized

Of course, in other embodiments, the air guide 70 may have other shapes such as a truncated cone shape, which is not limited in the present utility model, and those skilled in the art can choose according to the actual situation.

Further, as a specific embodiment of the electric heater 100 provided by the present utility model, the fan assembly 60 includes a fixing frame 61, a driving member 62 and a blower 63. The wind drum 63 generally has a blade or blade-like structure, and the fixing frame 61 is mounted to the narrow opening end 71 of the wind guide 70 for providing support and fixing.

The driving member 62 is attached to the fixed frame 61, and the blower 63 is attached to the output end of the driving member 62. In this embodiment, the fixing frame 61 is provided with a receiving groove 611, the driving member 62 is mounted in the receiving groove 611, and the output end of the driving member 62 extends out of the fixing frame 61 to be connected with the wind drum 63.

It will be appreciated that when the driving member 62 is operated, the driving member 62 can drive the wind drum 63 to rotate, and as the wind drum 63 rotates, the interior of the electric heater 100 can generate air flow and blow air out of the air outlet 11 of the electric heater 100.

It should be noted that, through the combination of the fixing frame 61, the driving member 62 and the air drum 63, the fan assembly 60 can effectively suck air from the air inlet 31 of the electric heater 100, and blow out heated air from the air outlet 11 after passing through the heating assembly 50. The rotation of the fan generates air flow, and promotes the circulation and flow of air, thereby realizing the transmission and distribution of the heating effect.

In addition, by providing the accommodating groove 611 in the fixing frame 61 and installing the driving member 62 in the accommodating groove 611, the fan assembly 60 can be more compact, the overall volume of the electric heater 100 is reduced, and the electric heater is convenient to store and transport.

Further, as a specific embodiment of the electric heater 100 provided by the present utility model, the heating component 50 is a PTC module. It should be noted that PTC modules are a common heating element that has a positive temperature coefficient characteristic. In other words, as the temperature increases, the resistance of the PTC module increases. This feature allows the PTC module to automatically adjust power and temperature during heating, providing a more stable and safe heating effect.

Further, as shown in fig. 1 to 4, as a specific embodiment of the electric heater 100 provided by the present utility model, at least one group of support legs 12 is provided on the base 10, the number of the support legs 12 in each group is two, and the two support legs 12 in each group are symmetrically arranged along the center of the orthographic projection of the base 10. Preferably, in this embodiment, two sets of support legs 12 are provided on the base 10, and the connecting line between each support leg 12 is rectangular.

It should be noted that, by the arrangement of the supporting feet 12, on one hand, the electric heater 100 can be supported and stable support can be provided, so as to ensure that the electric heater 100 is balanced and stable in the use process, and prevent toppling and shaking; on the other hand can make there be the clearance between electric heater 100 and the supporting plane, improve the ventilation effect of electric heater 100 bottom for electric heater 100 exhaust volume is bigger, and the exhaust is hot-blast more even, thereby improves the heating effect of electric heater 100.

The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims (10)

1. An electric heater, characterized in that it comprises:

the base is provided with a plurality of air outlets;

the shell is vertically arranged on the base;

The cover plate is arranged at the top of the shell and provided with a plurality of air inlets, and the cover plate, the shell and the base form a mounting cavity together;

The air duct assembly is arranged in the mounting cavity, one end of the air duct assembly is communicated with the air inlet, and the other end of the air duct assembly is communicated with the air outlet;

the heating component is arranged in the air duct component;

The fan assembly is arranged in the air duct assembly; the air inlet is arranged on the air channel assembly, and the air inlet is connected with the air channel assembly.

2. The electric heater of claim 1, wherein a plurality of the air outlets are annularly spaced on the orthographic projection of the base.

3. The electric heater of claim 2, wherein the air duct assembly includes a first air duct structure and a second air duct structure in communication with the first air duct structure, one end of the first air duct structure being connected to the housing and the other end being connected to the second air duct structure;

The heating assembly is arranged in the first air duct structure or the second air duct structure, and the fan assembly is arranged in the second air duct structure.

4. The electric heater of claim 3, wherein a mounting portion is disposed in the second air duct structure at an end facing the first air duct structure, and the heating assembly is detachably mounted in the second air duct structure through the mounting portion.

5. The electric heater of claim 4, further comprising an air guide mounted to the base for guiding the flow of the hot air in the second duct structure to the corresponding air outlet.

6. The electric heater of claim 5, wherein the air guide is horn-shaped, a wide mouth end of the air guide is connected to the base, and a narrow mouth end of the air guide is connected to the fan assembly.

7. The electric heater of claim 6, wherein the fan assembly includes a mount mounted to the narrow mouth end of the air guide, a drive mounted to the mount, and a blower mounted to the output end of the drive.

8. The electric heater of claim 7, wherein the holder is provided with a receiving slot, the driving member is mounted in the receiving slot, and an output end of the driving member extends out of the holder.

9. An electric heater as claimed in any one of claims 1 to 8, wherein the heating element is a PTC module.

10. An electric heater as claimed in any one of claims 1 to 8, wherein at least one set of support feet is provided on the base, the number of support feet in each set being 2, and the 2 support feet in each set being symmetrically arranged along the centre of the orthographic projection of the base.