CN212717289U - Fireplace fan - Google Patents

Fireplace fan Download PDF

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Publication number
CN212717289U
CN212717289U CN202021424931.1U CN202021424931U CN212717289U CN 212717289 U CN212717289 U CN 212717289U CN 202021424931 U CN202021424931 U CN 202021424931U CN 212717289 U CN212717289 U CN 212717289U
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China
Prior art keywords
temperature sensing
heat
fireplace fan
bottom plate
fireplace
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CN202021424931.1U
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Chinese (zh)
Inventor
李志春
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Foshan City Shunde District Honglang Electronic Technology Co ltd
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Foshan City Shunde District Honglang Electronic Technology Co ltd
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Abstract

The utility model discloses a fireplace fan, this fireplace fan includes heat conduction base, radiator unit, electricity generation chip and drive assembly, and the radiator unit locates the heat conduction base, and the electricity generation chip locates between heat conduction base and the radiator unit, and the drive assembly includes motor and blade, and the motor locates the radiator unit, and the electricity generation chip electricity is connected in the motor, and the blade is located the place ahead of radiator unit, and the output shaft of motor is connected with the blade transmission to drive the blade to rotate; the heat conducting base is provided with a bottom plate used for supporting the fireplace fan, the bottom plate is provided with a first surface and a second surface which are arranged back to back, the first surface is located below the second surface, the first surface is provided with a temperature sensing elastic sheet, the second surface is provided with a protruding portion, and the temperature sensing elastic sheet and the protruding portion are arranged oppositely. The utility model discloses technical scheme has promoted the temperature sensing accuracy of fireplace fan.

Description

Fireplace fan
Technical Field
The utility model relates to a fan field, in particular to fireplace fan.
Background
The existing fireplace is additionally provided with a fireplace fan to diffuse heat generated by the fireplace to various positions of a room, the fireplace fan can be used for detecting the working temperature of the fireplace, and particularly, a temperature sensing elastic sheet is arranged on a heat conducting base of the fireplace fan, so that when the working temperature of the fireplace is too high, the temperature sensing elastic sheet is bent, and the fireplace fan is inclined to remind a user. However, the heat conduction base cannot collect heat to the temperature sensing elastic sheet in the process of heat conduction, so that the temperature sensing accuracy of the temperature sensing elastic sheet is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a fireplace fan aims at promoting the temperature sensing accuracy of temperature-sensing shell fragment.
In order to achieve the above object, the utility model provides a fireplace fan, include:
a thermally conductive base;
the heat dissipation assembly is arranged on the heat conduction base;
the power generation chip is arranged between the heat conduction base and the heat dissipation assembly; and
the driving assembly comprises a motor and blades, the motor is arranged on the heat dissipation assembly, the power generation chip is electrically connected to the motor, the blades are positioned in front of the heat dissipation assembly, and an output shaft of the motor is in transmission connection with the blades so as to drive the blades to rotate;
the heat conducting base is provided with a bottom plate used for supporting the fireplace fan, the bottom plate is provided with a first surface and a second surface which are arranged in a back-to-back mode, the first surface is located below the second surface, the first surface is provided with a temperature sensing elastic sheet, the second surface is provided with a protruding portion, and the temperature sensing elastic sheet and the protruding portion are arranged oppositely.
In an embodiment of the present invention, the protruding portion is a raised line extending from the front of the heat dissipation assembly to the rear of the heat dissipation assembly.
In an embodiment of the invention, the cross-sectional area of the protruding strip gradually decreases along the direction from the first surface to the second surface.
In an embodiment of the present invention, the temperature sensing elastic piece falls into the projection of the first surface the protruding strip falls into the projection of the first surface.
In an embodiment of the present invention, on a cross section, the highest point of the convex strip and the center of the temperature sensing elastic piece are located on the same vertical straight line.
In an embodiment of the present invention, the first surface has a mounting groove, and the temperature sensing elastic piece is disposed in the mounting groove.
The utility model discloses an in the embodiment, the orientation of temperature-sensing shell fragment first connecting hole has been seted up to the surface of mounting groove diapire, first connecting hole seting in the one end of temperature-sensing shell fragment, the second connecting hole has been seted up to the diapire of mounting groove, the heat conduction base still is equipped with the connecting piece, the temperature-sensing shell fragment passes through the connecting piece with first connecting hole with the cooperation fixed connection of second connecting hole in the heat conduction base.
The utility model discloses an in the embodiment, the orientation of temperature-sensing shell fragment the heat conduction strip has still been seted up on the surface of mounting groove diapire, the extending direction of heat conduction strip with the extending direction of sand grip is unanimous, the groove of dodging has still been seted up to the diapire of mounting groove, the heat conduction strip is inserted and is located dodge the groove.
In an embodiment of the present invention, the heat conducting strip is provided with a plurality of strips, a plurality of the heat conducting strip interval is set up, the groove is avoided and a plurality of is set up, a plurality of the groove interval is avoided and set up, each the heat conducting strip is inserted and is located one the groove is avoided.
In an embodiment of the present invention, the heat conducting base includes the bottom plate, a connecting bracket and a top plate, which are connected to each other, the bottom plate is disposed opposite to the top plate, and the connecting bracket is sandwiched between the bottom plate and the top plate, and the first surface and the second surface are respectively a bottom surface and a top surface of the bottom plate disposed opposite to each other;
the surface of the top plate, which faces away from the bottom plate, is provided with a fixing groove, the power generation chip is arranged in the fixing groove, and the heat dissipation assembly is arranged on the surface of the top plate, which faces away from the bottom plate, and is positioned above the power generation chip.
The technical scheme of the utility model is that the fireplace fan comprises a heat conduction base, a heat dissipation component arranged on the heat conduction base, a power generation chip arranged between the heat conduction base and the heat dissipation component and a driving component arranged on the heat dissipation component; the power generation chip is provided with a hot end and a cold end, the hot end is in contact with the heat conduction base, and the cold end is in contact with the heat dissipation assembly, so that a temperature difference can be formed between the hot end and the cold end of the power generation chip to generate power; in addition, the heat conduction base is provided with a bottom plate used for supporting the fireplace fan, the bottom plate is provided with a first surface and a second surface which are arranged in a back-to-back mode, the first surface is located below the second surface, the first surface is provided with a temperature sensing elastic sheet, the second surface is provided with a protruding portion, the temperature sensing elastic sheet and the protruding portion are arranged oppositely, therefore, heat can be gathered in an area corresponding to the temperature sensing elastic sheet through the protruding portion, the stability of the temperature in the area is improved, and the temperature sensing accuracy of the temperature sensing elastic sheet is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a fireplace fan of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partially exploded view of an embodiment of the fireplace fan of the present invention;
the reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Fireplace fan 112 Second surface
10 Heat conduction base 1121 Raised part
11 Base plate 12 Connecting support
111 First surface 13 Top board
1111 Temperature sensing spring plate 131 Fixing groove
1111a First connecting hole 20 Heat radiation assembly
1111b Heat conducting strip 30 Power generation chip
1112 Mounting groove 40 Drive assembly
1112a Second connecting hole 41 Electric machine
1112b Dodging groove 42 Blade
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a fireplace fan 100 aims at promoting the temperature sensing accuracy of temperature-sensing shell fragment 1111.
Referring to fig. 1 to 3 in combination, in an embodiment of the fireplace fan 100 of the present invention, the fireplace fan 100 includes:
a thermally conductive base 10;
the heat dissipation assembly 20 is arranged on the heat conduction base 10, and the heat dissipation assembly 20 is arranged on the heat conduction base 10;
the power generation chip 30 is arranged between the heat conduction base 10 and the heat dissipation assembly 20; and
the driving assembly 40 comprises a motor 41 and blades 42, the motor 41 is arranged on the heat dissipation assembly 20, the power generation chip 30 is electrically connected to the motor 41, the blades 42 are positioned in front of the heat dissipation assembly 20, and an output shaft of the motor 41 is in transmission connection with the blades 42 so as to drive the blades 42 to rotate;
the heat conducting base 10 is provided with a bottom plate 11 for supporting the fireplace fan 100, the bottom plate 11 is provided with a first surface 111 and a second surface 112 which are arranged oppositely, the first surface 111 is positioned below the second surface 112, the first surface 111 is provided with a temperature sensing elastic sheet 1111, the second surface 112 is provided with a projection 1121, and the temperature sensing elastic sheet 1111 and the projection 1121 are arranged oppositely.
In the embodiment, the fireplace fan 100 is used specifically by placing the fireplace fan 100 on a metal shell of a fireplace, and enabling the first surface 111 of the bottom plate 11 in the heat conducting base 10 to be in contact with the fireplace, when the operating temperature of the fireplace is too high, the temperature sensing elastic sheet 1111 will be bent under a high temperature state, and the bent temperature sensing elastic sheet 1111 will jack up the fireplace fan 100, so that the fireplace fan 100 can topple over to remind a user.
When the fireplace fan 100 is placed on the metal shell of the fireplace, the heat of the fireplace is transferred to the heat conducting base 10, and the heat conducting base 10 can conduct the heat of the fireplace to the hot end of the power generating chip 30, so that a temperature difference is formed between the hot end and the cold end of the power generating chip 30 to generate power, the motor 41 is powered, and the blades 42 are rotated.
The hot junction has first heat transfer surface, and the cold junction has the second heat transfer surface, and first heat transfer surface sets up with the second heat transfer surface back to back, and first heat transfer surface sets up with the laminating of the surface of heat-conducting base 10 towards radiator unit 20, and the laminating of the surface of radiator unit 20 towards heat-conducting base 10 sets up second heat transfer surface. This arrangement can improve the thermal conductivity between the power generating chip 30 and the thermally conductive base 10 and the heat dissipating component 20.
Therefore, it can be understood that, in the technical solution of the present invention, the fireplace fan 100 includes a heat conducting base 10, a heat dissipating component 20 disposed on the heat conducting base 10, a power generating chip 30 disposed between the heat conducting base 10 and the heat dissipating component 20, and a driving component 40 disposed on the heat dissipating component 20; the power generation chip 30 is provided with a hot end and a cold end, the hot end is in contact with the heat conduction base 10, and the cold end is in contact with the heat dissipation assembly 20, so that a temperature difference can be formed between the hot end and the cold end of the power generation chip 30, and power generation can be realized; in addition, the heat conducting base 10 is provided with a bottom plate 11 for supporting the fireplace fan 100, the bottom plate 11 is provided with a first surface 111 and a second surface 112 which are arranged oppositely, the first surface 111 is arranged at the bottom of the heat conducting base 10, the first surface 111 is provided with a temperature sensing elastic sheet 1111, the second surface 112 is provided with a protruding portion 1121, and the temperature sensing elastic sheet 1111 and the protruding portion 1121 are arranged oppositely, so that heat can be gathered in a region corresponding to the temperature sensing elastic sheet 1111 through the protruding portion 1121, the temperature stability of the region is improved, and the temperature sensing accuracy of the temperature sensing elastic sheet 1111 is further improved.
Referring to fig. 1 to fig. 3, in an embodiment of the fireplace fan 100 of the present invention, the protrusion 1121 is a protruding strip extending from the front of the heat sink 20 to the rear of the heat sink 20. This arrangement can further improve the stability of the heat collected by the protrusion 1121, so as to further improve the accuracy of sensing the temperature of the temperature sensing spring 1111.
In this embodiment, the length direction of the temperature sensing elastic piece 1111 is consistent with the extending direction of the protrusion portion 1121.
Further, the cross-sectional area of the protruding strip gradually decreases in the direction from the first surface 111 to the second surface 112. Similarly, the arrangement not only can further improve the stability of the heat collected by the protrusion 1121 to further improve the accuracy of sensing the temperature by the temperature sensing elastic piece 1111, but also can reduce the material usage of the heat conducting base 10 to reduce the material cost.
Further, the projection of the temperature sensing elastic sheet 1111 to the first surface 111 falls into the projection of the convex strip to the first surface 111. This arrangement can ensure that the protrusion 1121 concentrates heat above the temperature sensing spring 1111, so as to further improve the accuracy of sensing the temperature by the temperature sensing spring 1111.
Further, on a cross section, the highest point of the convex strip and the center of the temperature sensing elastic sheet 1111 are located on the same vertical straight line. This arrangement can ensure that the protrusion 1121 concentrates heat right above the temperature sensing spring 1111, so as to further improve the accuracy of sensing the temperature by the temperature sensing spring 1111. Wherein the cross section refers to a surface flush with the front of the heat dissipation assembly 20 in the direction from the first surface 111 to the second surface 112.
Referring to fig. 2, in an embodiment of the fireplace fan 100 of the present invention, the first surface 111 has a mounting groove 1112, and the temperature sensing elastic piece 1111 is disposed in the mounting groove 1112.
In this embodiment, the mounting groove 1112 is disposed to extend in the horizontal direction and penetrate through two opposite end surfaces of the heat conductive base 10.
It will be appreciated that in order to improve the stability of the installation between the temperature sensing resilient piece 1111 and the heat conductive base 10 and to prevent the temperature sensing resilient piece 1111 from protruding from the first surface 111, which would result in poor stability of the fireplace fan 100 placed on the fireplace, the temperature sensing resilient piece 1111 is installed in the installation groove 1112 of the first surface 111,
referring to fig. 3, in an embodiment of the fireplace fan 100 of the present invention, a first connection hole 1111a is formed on a surface of the temperature sensing elastic piece 1111 facing the bottom wall of the mounting groove 1112, the first connection hole 1111a is formed at one end of the temperature sensing elastic piece 1111, a second connection hole 1112a is formed on the bottom wall of the mounting groove 1112, the heat conductive base 10 is further provided with a connection member, and the temperature sensing elastic piece 1111 is fixedly connected to the heat conductive base 10 through the connection member matching with the first connection hole 1111a and the second connection hole 1112 a. This setting can improve the joint strength between temperature-sensing shell fragment 1111 and the heat conduction base 10, prevents that temperature-sensing shell fragment 1111 from taking place to break away from with the heat conduction base 10 after taking place the bending.
Referring to fig. 3 in combination, in an embodiment of the fireplace fan 100 of the present invention, the surface of the temperature sensing elastic sheet 1111 facing the bottom wall of the mounting groove 1112 has further been provided with a heat conducting strip 1111b, the extending direction of the heat conducting strip 1111b is consistent with the extending direction of the protruding strip, the bottom wall of the mounting groove 1112 has further been provided with an avoiding groove 1112b, and the heat conducting strip 1111b is inserted into the avoiding groove 1112 b. This setting is through inserting heat conduction strip 1111b and locating in dodging groove 1112b to improve the heat transfer area between temperature-sensing shell fragment 1111 and the heat conduction base 10, thereby improve the heat conduction effect of temperature-sensing shell fragment 1111, with the temperature sensing accuracy of further promotion temperature-sensing shell fragment 1111.
Further, for further improving the heat exchange area between temperature-sensing shell fragment 1111 and the heat conduction base 10 to further promote the temperature sensing accuracy of temperature-sensing shell fragment 1111, consequently heat conduction strip 1111b and dodge groove 1112b and all be provided with a plurality of, a plurality of heat conduction strip 1111b interval sets up, a plurality of dodge groove 1112b interval sets up, each heat conduction strip 1111b insert locate one dodge groove 1112 b.
Referring to fig. 1 to 3, in an embodiment of the fireplace fan 100 of the present invention, the heat conducting base 10 includes the bottom plate 11, a connecting bracket 12 and a top plate 13 connected to each other, the bottom plate 11 is disposed opposite to the top plate 13, the connecting bracket 12 is sandwiched between the bottom plate 11 and the top plate 13, and the first surface 111 and the second surface 112 are respectively a bottom surface and a top surface of the bottom plate 11 disposed opposite to each other;
the surface of the top plate 13 facing away from the bottom plate 11 is provided with a fixing groove 131, the power generating chip 30 is disposed in the fixing groove 131, and the heat dissipation assembly 20 is disposed on the surface of the top plate 13 facing away from the bottom plate 11 and above the power generating chip 30.
It can be understood that, by limiting the power generating chip 30 in the fixing groove 131 under the limiting effect of the fixing groove 131, the connection strength between the power generating chip 30 and the heat conductive base 10 can be improved, and the power generating chip 30 is prevented from shifting in the using or transporting process.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. A fireplace fan, comprising:
a thermally conductive base;
the heat dissipation assembly is arranged on the heat conduction base;
the power generation chip is arranged between the heat conduction base and the heat dissipation assembly; and
the driving assembly comprises a motor and blades, the motor is arranged on the heat dissipation assembly, the power generation chip is electrically connected to the motor, the blades are positioned in front of the heat dissipation assembly, and an output shaft of the motor is in transmission connection with the blades so as to drive the blades to rotate;
the heat conducting base is provided with a bottom plate used for supporting the fireplace fan, the bottom plate is provided with a first surface and a second surface which are arranged in a back-to-back mode, the first surface is located below the second surface, the first surface is provided with a temperature sensing elastic sheet, the second surface is provided with a protruding portion, and the temperature sensing elastic sheet and the protruding portion are arranged oppositely.
2. The fireplace fan of claim 1, wherein the raised portion is a rib extending from the front of the heat dissipating component to the rear of the heat dissipating component.
3. The fireplace fan of claim 2, wherein the ribs progressively decrease in cross-sectional area in a direction from the first surface to the second surface.
4. The fireplace fan of claim 3, wherein the projection of the temperature sensing spring into the first surface falls within the projection of the rib into the first surface.
5. The fireplace fan of claim 4, wherein in a cross-section, the highest point of the rib is located on the same vertical line as the center of the temperature sensing spring.
6. The fireplace fan of claim 2, wherein the first surface is provided with an installation groove, and the temperature sensing spring plate is arranged in the installation groove.
7. The fireplace fan of claim 6, wherein a first connecting hole is formed in a surface of the temperature sensing elastic piece facing the bottom wall of the mounting groove, the first connecting hole is formed in one end of the temperature sensing elastic piece, a second connecting hole is formed in the bottom wall of the mounting groove, the heat conducting base is further provided with a connecting piece, and the temperature sensing elastic piece is fixedly connected to the heat conducting base through the matching of the connecting piece and the first connecting hole and the second connecting hole.
8. The fireplace fan of claim 6, wherein the surface of the temperature sensing elastic sheet facing the bottom wall of the mounting groove is further provided with a heat conducting strip, the extending direction of the heat conducting strip is consistent with the extending direction of the protruding strip, the bottom wall of the mounting groove is further provided with an avoiding groove, and the heat conducting strip is inserted in the avoiding groove.
9. The fireplace fan as defined in claim 8, wherein the heat conducting strips are provided with a plurality of strips, a plurality of the heat conducting strips are arranged at intervals, a plurality of the avoiding grooves are provided, a plurality of the avoiding grooves are arranged at intervals, and each of the heat conducting strips is inserted into one of the avoiding grooves.
10. The fireplace fan of any one of claims 1 to 9, wherein the heat conducting base comprises the bottom plate, a connecting bracket and a top plate connected, the bottom plate being disposed opposite the top plate, and the connecting bracket being sandwiched between the bottom plate and the top plate, the first surface and the second surface being bottom and top surfaces of the bottom plate, respectively, disposed opposite each other;
the surface of the top plate, which faces away from the bottom plate, is provided with a fixing groove, the power generation chip is arranged in the fixing groove, and the heat dissipation assembly is arranged on the surface of the top plate, which faces away from the bottom plate, and is positioned above the power generation chip.
CN202021424931.1U 2020-07-17 2020-07-17 Fireplace fan Active CN212717289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021424931.1U CN212717289U (en) 2020-07-17 2020-07-17 Fireplace fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021424931.1U CN212717289U (en) 2020-07-17 2020-07-17 Fireplace fan

Publications (1)

Publication Number Publication Date
CN212717289U true CN212717289U (en) 2021-03-16

Family

ID=74906871

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021424931.1U Active CN212717289U (en) 2020-07-17 2020-07-17 Fireplace fan

Country Status (1)

Country Link
CN (1) CN212717289U (en)

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