WO2018090396A1

WO2018090396A1 - Safety fireplace fan with forwardly-exhausted air

Info

Publication number: WO2018090396A1
Application number: PCT/CN2016/107558
Authority: WO
Inventors: 潘颂山; 辛义鲜; 黄冲
Original assignee: 佛山市蓝方科技有限公司; 苏州工业园区翔鹰贸易有限公司
Priority date: 2016-11-18
Filing date: 2016-11-28
Publication date: 2018-05-24
Also published as: CN206257064U

Abstract

Disclosed is a safety fireplace fan with forwardly-exhausted air, comprising a shield (10). A heat conducting base (1), a heat dissipation base and a fan assembly (3) are arranged within the shield (10). The shield (10) is provided with a heat conducting opening (11). The heat conducting base (1) is exposed at the heat conducting opening (11). The heat dissipation base is in contact with and receives heat from the heat conducting base (1). The fan assembly (3) is arranged in front of the heat dissipation base. The fan assembly (3) generates an air flow from the rear to the front. The front and rear sides of the shield (10) are respectively provided with an air inlet (12) and an air outlet (13) corresponding to an air intake direction and an air exhaust direction. By arranging the shield (10) on the fireplace fan to cover the fan assembly (3), the fan assembly (3) will not be directly exposed to the environment, and is more safe and reliable during use. The fan assembly (3) can achieve a higher rotation speed, a larger air volume, and can better assist the fireplace in spreading the heat generated at the top thereof in an indoor space.

Description

Safety fireplace fan with front side air outlet

Technical field

The utility model relates to a safety type fireplace fan with a front side air outlet.

Background technique

The fireplace fan is mounted on the fireplace to assist the fireplace in spreading the heat it generates into the interior.

Chinese Patent Publication No. CN204646740U discloses a fireplace fan comprising a heat conducting base, a heat sink group and a temperature difference power generation module disposed between the heat conducting base and the heat sink group, and the thermoelectric power generation module is connected with a power driving mechanism, above the heat sink group The handle is provided with an automatic temperature regulating sheet at the bottom of the heat conducting base, the heat sink group includes a plurality of longitudinal heat sinks, a plurality of lateral heat sinks uniformly distributed from top to bottom and intersecting with the longitudinal heat sinks; The center of the chip set is provided with a mounting hole; the power driving mechanism comprises a motor and a blade connected to the motor; the motor is located in the mounting hole, and the motor is fixed on the heat sink group through a bracket.

The fireplace fan of this structure has the fan blades of the fan exposed to the outside, without any protective mechanism, and the fan of the fireplace rotates at a high speed when working, and has certain safety hazards.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art described above, and to provide a safety type fireplace fan with a front side air outlet, wherein the fan blades are not exposed to the outside world, and the use safety is higher.

The purpose of the utility model is achieved as follows:

A safety type fireplace fan with a front side air outlet includes a shield, a heat shield seat, a heat sink seat and a fan assembly are disposed in the shield, the heat shield is provided with a heat conducting opening, the heat conducting seat is exposed to the heat conducting opening, the heat conducting seat and the heat sink A temperature difference power generation module is provided between the power generation module and the fan assembly; the fan assembly and the heat sink are disposed front and rear, and the fan assembly generates an air flow from the back to the front, and the front and rear sides of the shield respectively correspond to The air inlet and the air outlet are provided in the air inlet direction and the air outlet direction.

The heat sink is composed of a heat sink group that is crisscrossed.

A heat dissipation gap is formed between the longitudinally and laterally staggered fin groups, and the heat dissipation gap is parallel to the inlet air direction of the air inlet side of the fan assembly.

The heat sink is a heat pipe type heat sink, and comprises a heat receiving base, a plurality of heat dissipating heat pipes and a plurality of heat dissipating fins; the heat receiving base is in contact with the cold end of the thermoelectric power generation module, and the heat conducting seat is in contact with the hot end of the thermoelectric power generation module. Conductive heat, the heat dissipation heat pipe runs through the heat dissipation base and extends outwardly, The heat dissipating fins are disposed on the heat dissipating heat pipe, and the heat dissipating fins are located on the air suction side of the fan assembly.

A heat dissipation gap is formed between the heat dissipation fins.

The heat dissipation heat pipes are bent outward from the heat dissipation base and are parallel to each other, and the heat dissipation fins and the heat dissipation heat pipes are connected to each other.

The heat dissipation heat pipe is internally filled with a heat exchange medium.

The fan assembly is installed in the shield through a bracket, and the heat conducting seat and/or the heat sink is installed in the shield; the air inlet is an air inlet louver, a style grille or an air inlet network port; and the air outlet is an air outlet louver , out of the style grid or the outlet network.

The shroud is provided with a negative ion generator, a humidifier, an air filter assembly, or a combination thereof.

The beneficial effects of the utility model are:

Through the above improvements, a fan cover is placed on the fireplace fan to cover the fan assembly, the fan assembly is not directly exposed to the outside, the use is safer and more reliable, and the fan assembly can rotate faster, the air volume is larger, and the fireplace can be better assisted. Spread the heat it generates into the indoor space.

The utility model is particularly suitable for use in a fireplace in the form of a wall, and can generate an air flow from the back to the front.

DRAWINGS

Figure 1 is a perspective view of a fireplace fan in accordance with a first embodiment of the present invention.

Figure 2 is a half cross-sectional view of the fireplace fan of the first embodiment of the present invention.

Figure 3 is a perspective view of a fireplace fan in accordance with a second embodiment of the present invention.

Figure 4 is a half cross-sectional view of the fireplace fan of the second embodiment of the present invention

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

First embodiment

Referring to FIG. 1 to FIG. 2, the safety type fireplace fan of the front side air outlet comprises a rectangular shroud 10, and the shroud 10 is provided with a heat conducting seat 1, a heat sink and a fan assembly 3. The side of the shroud 10 is provided. The heat conducting opening 11 (the present embodiment preferably has a heat conducting opening 11 at the bottom, which is more in line with the physical characteristics of the hot gas rising), the heat conducting seat 1 is exposed to the heat conducting opening 11, and the temperature difference power generation module temperature difference power generation module is disposed between the heat conducting seat 1 and the heat sink 4 is electrically connected to the fan assembly 3; the fan assembly 3 and the heat sink are disposed in front and rear, and the fan assembly 3 generates an air flow from the rear to the front, and the front and rear sides of the shield 10 respectively correspond to the air inlet direction and the outlet The air direction is provided with an air inlet 12 and an air outlet 13, which can generate an air flow from the back to the front; a shield is arranged on the fireplace fan to cover the fan assembly 3, and the wind The fan assembly 3 is not directly exposed to the outside, is safer and more reliable to use, and the fan assembly 3 can be rotated faster and has a larger air volume, which can better assist the fireplace to diffuse the heat generated by the fireplace into the indoor space.

When the fireplace is working, the heat is sequentially transmitted from the heat conducting seat 1, the thermoelectric power generation module 4, and the heat sink. During the heat transfer process, the power difference generating module 4 generates electric power, thereby driving the fan assembly 3 to work, no external power supply is required, and after the fan assembly 3 is operated, The heat of the heat sink and the residual heat around the surface of the fireplace are blown into the room to speed up the indoor circulation.

The fan assembly 3 is installed in the shield 10 through the bracket 31, and the heat conducting base 1 and the heat sink are installed in the shield 10; the air inlet 12 is an air inlet louver, an inlet grille or an air inlet network port, which is in this embodiment. The air inlet port 13 is an air outlet louver, a style grille or an air outlet network port, and the embodiment is an air outlet network port.

Further, the heat sink is a heat pipe type heat sink, and includes a heat receiving base 21, a plurality of heat dissipating heat pipes 22 and a plurality of heat dissipating fins 23; the heat receiving base 21 is in contact with the cold end of the thermoelectric power generation module 4, and the heat conducting base 1 is The heat-dissipating heat-generating module is disposed on the heat-dissipating heat pipe 22, and the heat-dissipating fins 23 are located on the heat-dissipating heat pipe 22, and the heat-dissipating fins 23 are located on the heat-dissipating heat pipe 22. On the wind side. Meet the requirements of heat dissipation. The heat conduction efficiency of the heat pipe type heat sink is higher than that of the conventional heat sink group, so as to improve the temperature difference between the hot and cold ends of the temperature difference power generation module, the heat dissipation efficiency of the fireplace fan can be greatly improved, and the power generated by the temperature difference power generation module 4 is more It can better assist the fireplace to diffuse the heat generated by it into the indoor space, and the heat pipe type heat sink is smaller in size, and the fireplace fan takes up less space overall, making the fireplace fan and the whole fireplace more compact and small.

The angle at which the heat dissipation heat pipe 22 protrudes outwards includes, but is not limited to, the implementation manner of the embodiment. The heat dissipation heat pipe 22 of the present embodiment protrudes outwardly at an angle of 90 degrees, that is, perpendicular to the fireplace fan, and the heat dissipation heat pipe 22 is outward. The angle of extension can be changed according to the actual design.

Further, the heat dissipating gaps 24 are formed between the heat dissipating fins 23, so that the heat dissipating air gaps 24 are more easily circulated, so that the air suction side or the air blowing side of the fan assembly 3 absorbs air or blows air, thereby avoiding excessive wind resistance and ensuring air volume and heat. Exchange efficiency.

Further, the heat dissipation heat pipes 22 are bent outward from the heat dissipation base 21 and are parallel to each other, and the heat dissipation fins 23 and the heat dissipation heat pipes 22 are directly connected to each other to increase the heat dissipation area, the heat dissipation effect is better, and the heat pipe type heat sink structure is more stable. reliable.

Further, the heat dissipation heat pipe 22 is internally filled with a heat exchange medium, which can better improve heat exchange efficiency, which can be understood by those skilled in the art.

Due to the structure of the shield 10, a negative ion generator, a humidifier, an air filter assembly or a combination thereof may be disposed in the shield 10, so that the fireplace fan has an auxiliary function of increasing negative ions, humidification, dust removal, air filtration, and the like. It will be understood by those skilled in the art.

Second embodiment

Referring to Figures 3-4, the front-side vented safety fireplace fan differs from the first embodiment in that the shroud is an elliptical shroud 10.

The shroud 10 can also have more outer shape structures according to actual design requirements, and will not be described again.

Other parts not described, like the first embodiment, will not be repeated.

Third embodiment

The safety fan of the front side is mainly different from the first embodiment in that the heat sink is a conventional heat sink, that is, it is composed of a stack of fins that are criss-crossed, and the fins are criss-crossed. A heat dissipation gap is formed between the groups, and the heat dissipation gap is parallel to the wind direction of the air inlet side of the fan assembly, and the occurrence of excessive wind resistance can be avoided as well, which can be understood by those skilled in the art.

Other parts not described, like the first embodiment, will not be repeated.

The heat sink can also adopt an existing high-efficiency heat pipe radiator or other heat-dissipating heat sink, which can quickly transfer the heat of the temperature difference power generation module 4 to the outside, and improve the hot and cold end of the temperature difference power generation module 4. The temperature difference ensures the power generation efficiency, ensures that the fan assembly 3 can work normally, and transfers the residual heat of the fireplace to the room. The heat conducting seat 1 can be composed of a single or several components to ensure the transfer of heat and ensure the temperature and heat required for the power generation module 4 to generate electricity. The shape or size of the heat conducting seat 1 can take various forms.

The above embodiments are only preferred embodiments of the present invention, and other embodiments of the present invention are possible. Equivalent variations or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalents are intended to be included within the scope of the claims.

Claims

A safety type fireplace fan with a front side air outlet, characterized in that it comprises a shield (10), a heat shield seat (1), a heat sink seat and a fan assembly (3), a shield (10) a heat conducting opening (11) is provided, the heat conducting seat (1) is exposed to the heat conducting opening (11), and a thermoelectric power generation module (4) and a fan assembly (3) are disposed between the heat conducting seat (1) and the heat sink. Electrically connected; the fan assembly (3) and the heat sink are arranged front and rear, the fan assembly (3) generates a wind flow from the back to the front, and the front and rear sides of the shield (10) respectively correspond to the air inlet direction and In the direction of the wind, there are an air inlet (12) and an air outlet (13).
A safety type fireplace fan with a front side air outlet according to claim 1, wherein the heat sink is composed of a fin stack which is crisscrossed.
A safety type fireplace fan with a front side air outlet according to claim 2, wherein a heat dissipation gap is formed between the longitudinally and horizontally staggered fin groups, and the heat dissipation gap is parallel to the inlet air direction of the air inlet side of the fan assembly.
The safety fan of the front side of the air according to claim 1, wherein the heat sink is a heat pipe type heat sink, and comprises a heat receiving base (21), a plurality of heat dissipation heat pipes (22) and a plurality of heat dissipating fins. (23); the heated base (21) is in contact with the cold end of the thermoelectric power generation module (4), and the heat conductive seat (1) is in contact with the hot end of the thermoelectric power generation module (4), and the heat dissipation heat pipe (22) The heat dissipating fins (23) are spaced apart from the heat dissipating heat pipe (22), and the heat dissipating fins (23) are located on the suction side of the fan assembly (3).
A safety type fireplace fan with a front side air outlet according to claim 4, wherein a heat dissipation gap (24) is formed between the heat dissipation fins (23).
A safety type fireplace fan with a front side air outlet according to claim 4, wherein the heat dissipation heat pipe (22) is bent outwardly from the heat dissipation base (21) and parallel to each other, and the heat dissipation fins (23) and the heat dissipation. The heat pipes (22) are connected to each other.
A safety type fireplace fan with a front side air outlet according to claim 4, wherein the heat dissipation heat pipe (22) is internally filled with a heat exchange medium.
A safety type fireplace fan according to any one of claims 1 to 7, characterized in that the fan assembly (3) is mounted in the shield (10) via a bracket (31), and the heat conducting seat (1) And / or the heat sink is installed in the shield (10); the air inlet (12) is the air inlet louver, the style Grid or air inlet; the air outlet (13) is an air outlet louver, a style grille or an air outlet.
A safety type fireplace fan according to any one of claims 1 to 7, characterized in that the shield (10) is provided with a negative ion generator, a humidifier, an air filter assembly or a combination thereof.