CN214468898U

CN214468898U - Electric heater

Info

Publication number: CN214468898U
Application number: CN202120431066.1U
Authority: CN
Inventors: 刘剑桥; 于博; 张健; 骆玉叶
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-22
Anticipated expiration: 2031-02-25

Abstract

The utility model relates to a life electrical apparatus technical field, concretely relates to electric heater, include: a support; the protective cover structure is arranged on the bracket; the heating element structure is arranged on the inner side of the protective cover structure and at least comprises a first heating element arranged on the support and a second heating element arranged on the first heating element in a telescopic manner through a sliding structure, and the first heating element and the second heating element are respectively suitable for being communicated with a power supply. When required heating range is great, can make the second heat-generating body stretch out, first heat-generating body heats with the power intercommunication simultaneously with the second heat-generating body, has increased heating range, and when required heating range is less, can make the second heat-generating body retract, only makes first heat-generating body and power intercommunication, can satisfy local heating demand. When not using this electric heater, the second heat-generating body withdrawal, electric heater occupation space is less. Therefore, the electric heater can meet the requirements of miniaturization and local heating.

Description

Electric heater

Technical Field

The utility model relates to a life electrical apparatus technical field, concretely relates to electric heater.

Background

At present, central heating is not generally adopted in the central and south areas, and the problems of cold and damp in winter and heating are always concerned. The electric heater is a convenient and flexible small household appliance which can supply heat at any time, and becomes a necessary heating facility for many families.

Household electrical appliances tend to be personalized and miniaturized, so that on one hand, users increasingly need a personalized heating mode capable of meeting various requirements, and on the other hand, users increasingly pursue household electrical appliances to be miniaturized so as to be convenient for storage. But the problem that comes with is that its heating effect must be influenced in the miniaturization of electric heater product, can weaken user's experience sense to a certain extent. The prior art discloses a dual-cylinder small heater, which includes a protection component, the protection component includes a first protection component and a second protection component, the first protection component is sleeved on the periphery of the second protection component, and the first protection component and the second protection component are mutually attached, a heating component is fixed at the bottom of the first protection component, and an air outlet component is fixed at the top of the second protection component. When using, pull high multiplicable air-out area with second protection piece, but when power was unchangeable, only increase the air-out area and can not strengthen the heating effect, still need can strengthen the heating effect to heating component and air-out subassembly increase power, also can not satisfy the demand of individualized local heating simultaneously.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the electric heater among the prior art can not satisfy local heating demand when satisfying the miniaturization to a electric heater that can satisfy the miniaturization and also can satisfy local heating demand is provided.

In order to solve the above technical problem, the utility model provides a pair of electric heater, include:

a support;

the protective cover structure is arranged on the bracket;

the heating element structure is arranged on the inner side of the protective cover structure and at least comprises a first heating element arranged on the support and a second heating element arranged on the first heating element in a telescopic manner through a sliding structure, and the first heating element and the second heating element are respectively suitable for being communicated with a power supply.

Optionally, the first heating element and the second heating element respectively include a plurality of heating element units distributed along the circumferential direction, and each heating element unit is adapted to be communicated with a power supply.

Optionally, still include the controller, every all be equipped with infrared induction system on the heat-generating body unit, infrared induction system with controller communication connection, the controller is used for infrared induction system detects that there is the human body to be close to when the heat-generating body unit, control corresponds heat-generating body unit and power intercommunication infrared induction system detects when not having the human body in the scope of predetermineeing and the preset time of heat-generating body unit, control heat-generating body unit and power disconnection.

Optionally, a camera device is arranged on the heating element unit, the camera device is in communication connection with the controller, and the controller is further configured to control the heating element unit to adjust power when the camera device detects a human body gesture.

Optionally, the end of the heating element structure is connected with the end of the protective cover structure, and the protective cover structure is telescopically arranged outside the heating element structure.

Optionally, the protective cover structure at least comprises a first protective cover corresponding to the first heating element and a second protective cover corresponding to the second heating element, and a sliding structure is arranged between the first protective cover and the second protective cover.

Optionally, the sliding structure comprises:

the first support structure is fixedly arranged on the first protective cover and/or the first heating body, and a mounting hole perpendicular to the telescopic direction of the second protective cover is formed in the first support structure;

the connecting rod structure is L-shaped and comprises a first rod-shaped part parallel to the first support structure and a second rod-shaped part vertical to the first support structure;

the first elastic sheet is arranged on the inner side of the first supporting structure and comprises a first fixed end fixedly connected with the first supporting structure and a first free end connected with the first rod-shaped part through a first elastic piece, and the first elastic piece is arranged in the mounting hole;

the second elastic sheet is arranged on the inner side of the first supporting structure and positioned on one side of the first elastic sheet, which is far away from the first fixed end, and comprises a second fixed end fixedly connected with the first supporting structure and a second free end connected with the end part of the second rod-shaped part, and a second elastic part is arranged between the second free end and the first supporting structure;

and the second support structure is connected with the second protective cover and/or the second heating body, and the second support structure is rotatably connected with a roller.

Optionally, the end part of the heating body structure is provided with a cover plate, the cover plate is provided with a control panel, and the cover plate is connected with the end part of the protection cover structure.

Optionally, when the second heat generating body is in the retracted state, the second heat generating body is located inside the first heat generating body.

Optionally, the heating element structure further includes a third heating element, the third heating element is connected to the second heating element through the sliding structure, and when the third heating element is in a retracted state, the third heating element is located inside the second heating element.

Alternatively, the second heat-generating body may be stretchable in a vertical direction.

Optionally, the first heating element and the second heating element both include a radiation layer and a heat insulation layer, and the heat insulation layer is located on the inner side of the radiation layer.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an electric heater when required heating range is great, can make the second heat-generating body stretch out, and first heat-generating body heats with the power intercommunication simultaneously with the second heat-generating body, has increased the heating range, and when required heating range is less, can make the withdrawal of second heat-generating body, only makes first heat-generating body and power intercommunication, can satisfy local heating demand. When not using this electric heater, the second heat-generating body withdrawal, electric heater occupation space is less. Therefore, the electric heater can meet the requirements of miniaturization and local heating.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an electric heater provided in an embodiment of the present invention in an extended state;

fig. 2 is a schematic structural view of the electric heater provided in the embodiment of the present invention in a contracted state;

fig. 3 is a schematic structural view of a heating element structure of an electric heater provided in an embodiment of the present invention in an extended state;

fig. 4 is a top sectional view of an electric heater provided in an embodiment of the present invention;

FIG. 5 is a schematic structural view of the sliding mechanism provided in FIG. 4;

fig. 6 is a schematic structural view of the electric heater provided in the embodiment of the present invention in an extended state.

Description of reference numerals:

1. a protective cover structure; 2. a cover plate; 3. a control panel; 4. a heat generating body structure; 41. a first heat generating body; 42. a second heating element; 43. a third heating element; 5. a sliding structure; 51. a first support structure; 52. a first rod-shaped portion; 53. a second rod-shaped portion; 54. a first spring plate; 55. a first elastic member; 56. a second elastic sheet; 57. a second elastic member; 58. a second support structure; 59. a roller; 6. a controller; 7. and (4) a bracket.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides an electric heater, and in one embodiment, as shown in fig. 1 and fig. 2, the electric heater includes a support 7, a protective cover structure 1, and a heating element structure 4.

Wherein the protective cover structure 1 is arranged on the bracket 7; as shown in fig. 4, the heating element structure 4 is disposed inside the protective cover structure 1, and at least includes a first heating element 41 disposed on the bracket 7, and a second heating element 42 telescopically disposed on the first heating element 41 via the sliding structure 5, wherein the first heating element 41 and the second heating element 42 are respectively adapted to be communicated with a power supply.

In the present embodiment, when the required heating range is large, the second heating element 42 can be extended, and the first heating element 41 and the second heating element 42 are simultaneously connected to the power supply to heat, so that the heating range is increased, and when the required heating range is small, the second heating element 42 can be retracted, and only the first heating element 41 is connected to the power supply, so that the local heating demand can be satisfied. When the electric heater is not used, the second heating body 42 retracts, and the occupied space of the electric heater is small. Therefore, the electric heater can meet the requirements of miniaturization and local heating.

In addition to the above embodiments, in a preferred embodiment, each of the first and second

heat generating elements

41 and 42 includes a plurality of heat generating element units distributed along the circumferential direction, and each of the heat generating element units is adapted to communicate with a power supply. In the embodiment, each heating unit is suitable for being communicated with a power supply, the heating units can be independently controlled to be electrified for heating, when no human body exists at the position corresponding to one or more heating units, the heating units can be stopped from heating, only the heating units at the positions where the human body exists are electrified for heating, energy is saved, and local heating requirements can be met. It should be noted that, when the first heating element 41 and the second heating element 42 are of rectangular parallelepiped structures as shown in fig. 1, the heating element unit may be a side surface of the rectangular parallelepiped structure, and when the first heating element 41 and the second heating element 42 are of cylindrical structures as shown in fig. 6, the cylindrical structures may be divided into four or more arc-shaped surfaces, and the heating element unit is one arc-shaped surface.

On the basis of the above embodiment, in a preferred embodiment, the heating device further includes a controller 6, each heating element unit is provided with an infrared sensing device, the infrared sensing device is in communication connection with the controller 6, the controller 6 is configured to control the corresponding heating element unit to be communicated with the power supply when the infrared sensing device detects that a human body is close to the heating element unit, and control the heating element unit to be disconnected from the power supply when the infrared sensing device detects that no human body is within a preset range of the heating element unit and within a preset time. The communication connection specifically can be wired communication connection, and also can be wireless communication connection, such as 2G, 3G, 4G, 5G connection, WIFI connection, bluetooth connection. In this embodiment, through setting up infrared sensing device and controller 6, can be so that when someone is close to the heat-generating body unit, the circular telegram of automatic control heat-generating body unit generates heat, and is more intelligent, is favorable to promoting user experience, and when the heat-generating body unit just surpassed certain length of time to unmanned time in scope 2m, heat-generating body unit self-closing. Of course, in other alternative embodiments, the infrared sensing device and the controller 6 may not be provided, and the heating unit may be manually controlled to be energized to generate heat.

In addition to the above embodiments, in a preferred embodiment, the heating element unit is provided with an imaging device, the imaging device is in communication connection with the controller 6, and the controller 6 is further configured to control the heating element unit to adjust power when the imaging device detects a human gesture. In this embodiment, a plurality of gestures may be preset in the controller 6 in advance, different commands are executed corresponding to different gestures, the image pickup device may detect gestures of a human body and send signals to the controller 6, and the controller 6 controls and adjusts the power of the heat generating body unit, so that the system is more intelligent and user experience can be further improved.

In addition to the above embodiments, in a preferred embodiment, the end of the heat generating body structure 4 is connected to the end of the hood structure 1, and the hood structure 1 is telescopically provided outside the heat generating body structure 4. In this embodiment, when the telescopic heating element structure 4 is used, the protection cover structure 1 can be driven to be synchronously telescopic, so that the structure is more compact. In an alternative embodiment, the protection cover structure 1 and the heat generating body structure 4 are respectively stretchable. In another alternative embodiment, only the heat-generating body structure 4 may be made to expand and contract, and the hood structure 1 may not be expanded and contracted.

In addition to the above embodiments, in a preferred embodiment, the protector structure 1 includes at least a first protector corresponding to the first heat generating element 41 and a second protector corresponding to the second heat generating element 42, and the sliding structure 5 is provided between the first protector and the second protector. In the present embodiment, the second hood is extended and contracted by the sliding structure 5. In an alternative embodiment, the protective cover structure 1 is made entirely of a high temperature resistant material with elastic properties.

In addition to the above embodiments, in a preferred embodiment, as shown in fig. 5, the sliding structure 5 includes a first supporting structure 51, a link structure, a first elastic sheet 54, a second elastic sheet 56, and a second supporting structure 58. Wherein the first supporting structure 51 is fixedly arranged on the first protecting cover and/or the first heating element 41, and the first supporting structure 51 is provided with a mounting hole perpendicular to the extending direction of the second protecting cover; the connecting rod structure is L-shaped and comprises a first rod-shaped part 52 parallel to the first supporting structure 51 and a second rod-shaped part 53 vertical to the first supporting structure 51, the first rod-shaped part 52 is arranged outside the first supporting structure 51, and the second rod-shaped part 53 penetrates through the first supporting structure 51; the first elastic sheet 54 is arranged on the inner side of the first supporting structure 51, and comprises a first fixed end fixedly connected with the first supporting structure 51 and a first free end connected with the first rod-shaped part 52 through a first elastic piece 55, and the first elastic piece 55 is arranged in the mounting hole; the second elastic sheet 56 is arranged on the inner side of the first supporting structure 51 and positioned on one side of the first elastic sheet 54 far away from the first fixed end, and comprises a second fixed end fixedly connected with the first supporting structure 51 and a second free end connected with the end part of the second rod-shaped part 53, and a second elastic part 57 is arranged between the second free end and the first supporting structure 51; the second support structure 58 is connected to the second shield and/or the second heat-generating body 42, and the rollers 59 are rotatably connected to the second support structure 58. In this embodiment, when the second heating element 42 or the second protection cover needs to be extended, by moving the second support structure 58 upward, the roller 59 rolls relative to the first support structure 51, and when the roller 59 rolls on the first elastic sheet 54, the first elastic member 55 is compressed, and after the roller 59 passes over the first elastic sheet 54, the first elastic sheet 54 is reset under the action of the first elastic member 55, the first free end is far away from the first support structure 51, the roller 59 can be clamped between the first elastic sheet 54 and the first support structure 51, and the position of the second heating element 42 or the second protection cover can be fixed; when the second heating element 42 or the second protection cover needs to be retracted, the second support structure 58 is moved upwards first, so that the second support structure 58 drives the roller 59 to leave the first elastic sheet 54, at this time, the roller 59 compresses the second elastic sheet 56 and drives the connecting rod structure to move towards the right side in fig. 5, in the moving process of the connecting rod structure, the first rod-shaped part 52 drives the first elastic piece 55 to move towards the right side in fig. 5 together, the first elastic piece 55 drives the free end of the first elastic sheet 54 to retract and stick to the first support structure 51, and at this time, the second support structure 58 is moved downwards, so that the second heating element 42 or the second protection cover can be retracted. In other alternative embodiments, the sliding structure 5 may be a slide rail, a slide rod, or similar drawer structure.

In one embodiment, as shown in fig. 1, 2, and 3, a cover plate 2 is provided at an end of the heat generating body structure 4, a control panel 3 is provided on the cover plate 2, and the cover plate 2 is connected to an end of the protective cover structure 1. By providing the cover plate 2, the heating body structure 4 and the protection cover structure 1 can be made to extend and retract by pulling the cover plate 2.

In addition to the above embodiment, in a preferred embodiment, when the second heating element 42 is in the retracted state, the second heating element 42 is positioned inside the first heating element 41. In the present embodiment, the size of the second heating element 42 is smaller than that of the first heating element 41, and when the second heating element 42 is extended, the heating area of the second heating element 42 is smaller than that of the first heating element 41, that is, the upper heating area is small, and the lower heating area is large, which meets the thermal comfort requirement of the human body "warm the foot".

In a preferred embodiment, the heat generating element structure 4 further includes a third heat generating element 43, the third heat generating element 43 is connected to the second heat generating element 42 by the slide structure 5, and the third heat generating element 43 is positioned inside the second heat generating element 42 when the third heat generating element 43 is in the retracted state. The electric heater of the present embodiment has a high height and a large heating area when both the second heating element 42 and the third heating element 43 are extended.

In a preferred embodiment, the second heat-generating body 42 is vertically stretchable. The floor area of the electric heater can be reduced by stretching in the vertical direction. In an alternative embodiment, the second heat-generating body 42 is stretchable in the horizontal direction.

In a preferred embodiment, each of the first and

second heaters

41 and 42 includes a radiation layer and a heat insulation layer, and the heat insulation layer is located inside the radiation layer. The heat preservation can prevent that the heat from inwards radiating, makes more heat pass through the radiation layer and dispel indoor.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An electric heater, comprising:

a bracket (7);

the protective cover structure (1) is arranged on the bracket (7);

the heating body structure (4) is arranged on the inner side of the protective cover structure (1) and at least comprises a first heating body (41) arranged on the support (7), and a second heating body (42) arranged on the first heating body (41) in a telescopic mode through a sliding structure (5), wherein the first heating body (41) and the second heating body (42) are respectively suitable for being communicated with a power supply.

2. The electric heater according to claim 1, wherein the first and second heating bodies (41, 42) respectively comprise a plurality of heating body units distributed along the circumferential direction, and each heating body unit is adapted to communicate with a power supply.

3. The electric heater according to claim 2, further comprising a controller (6), wherein each heating unit is provided with an infrared sensing device, the infrared sensing device is in communication connection with the controller (6), the controller (6) is configured to control the corresponding heating unit to be communicated with the power supply when the infrared sensing device detects that a human body is close to the heating unit, and the infrared sensing device detects that the heating unit is disconnected from the power supply when the infrared sensing device does not detect that the human body is in the preset range and the preset time of the heating unit.

4. The electric heater according to claim 3, wherein a camera device is disposed on the heating element unit, the camera device is in communication connection with the controller (6), and the controller (6) is further configured to control the heating element unit to adjust power when the camera device detects a human gesture.

5. The electric heater according to any of claims 1-4, characterized in that the end of the heating element structure (4) is connected with the end of the protective cover structure (1), and the protective cover structure (1) is telescopically arranged outside the heating element structure (4).

6. The electric heater according to claim 5, characterized in that the protective cover structure (1) at least comprises a first protective cover corresponding to the first heating element (41) and a second protective cover corresponding to the second heating element (42), and a sliding structure (5) is arranged between the first protective cover and the second protective cover.

7. The electric heater according to claim 6, characterised in that the sliding structure (5) comprises:

the first supporting structure (51) is fixedly arranged on the first protective cover and/or the first heating body (41), and a mounting hole perpendicular to the telescopic direction of the second protective cover is formed in the first supporting structure (51);

the connecting rod structure is L-shaped and comprises a first rod-shaped part (52) parallel to the first supporting structure (51) and a second rod-shaped part (53) vertical to the first supporting structure (51);

the first elastic sheet (54) is arranged on the inner side of the first supporting structure (51), and comprises a first fixed end fixedly connected with the first supporting structure (51) and a first free end connected with the first rod-shaped part (52) through a first elastic piece (55), and the first elastic piece (55) is arranged in the mounting hole;

the second elastic sheet (56) is arranged on the inner side of the first supporting structure (51) and positioned on one side, far away from the first fixed end, of the first elastic sheet (54), and comprises a second fixed end fixedly connected with the first supporting structure (51) and a second free end connected with the end part of the second rod-shaped part (53), and a second elastic part (57) is arranged between the second free end and the first supporting structure (51);

and the second support structure (58) is connected with the second protective cover and/or the second heating body (42), and a roller (59) is rotatably connected onto the second support structure (58).

8. The electric heater according to claim 5, characterized in that the end of the heating element structure (4) is provided with a cover plate (2), the cover plate (2) is provided with a control panel (3), and the cover plate (2) is connected with the end of the protective cover structure (1).

9. The electric heater according to any of claims 1-4, characterized in that the second heating body (42) is located inside the first heating body (41) when the second heating body (42) is in the retracted state.

10. The electric heater according to claim 9, wherein the heating element structure (4) further comprises a third heating element (43), the third heating element (43) is connected with the second heating element (42) through the sliding structure (5), and when the third heating element (43) is in the retraction state, the third heating element (43) is located inside the second heating element (42).

11. The electric heater according to claim 9, characterized in that the second heating body (42) is vertically retractable.

12. The electric heater according to any of claims 1-4, wherein the first and second heating elements (41, 42) each comprise a radiation layer and a heat insulation layer, and the heat insulation layer is located at the inner side of the radiation layer.