CN105485737B - External temperature changing module of smoke ventilator and smoke ventilator - Google Patents

External temperature changing module of smoke ventilator and smoke ventilator Download PDF

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Publication number
CN105485737B
CN105485737B CN201410467505.9A CN201410467505A CN105485737B CN 105485737 B CN105485737 B CN 105485737B CN 201410467505 A CN201410467505 A CN 201410467505A CN 105485737 B CN105485737 B CN 105485737B
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heat exchange
heat
module
range hood
shell
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CN105485737A (en
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高希成
王定远
刘杰
栾明业
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Qingdao Haier Smart Technology R&D Co Ltd
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Qingdao Haier Smart Technology R&D Co Ltd
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Abstract

The utility model provides an external alternating temperature module of smoke ventilator and smoke ventilator, this alternating temperature module includes the module casing: has a hollow cavity, a heat exchange air inlet and an air outlet; semiconductor temperature changing device: the heat exchange system comprises a semiconductor refrigerating piece arranged in a module shell, and a first heat exchange system and a second heat exchange system which are in thermal contact with a first temperature-changing surface and a second temperature-changing surface of the semiconductor refrigerating piece, wherein the first heat exchange system is at least partially arranged between a heat exchange air inlet and a heat exchange air outlet, the second heat exchange system comprises a plurality of second heat pipes in thermal contact with the second temperature-changing surface, the second heat pipes are in contact with a first heat dissipation plate, the first heat dissipation plate extends out of the module shell to be in contact with a smoke exhaust ventilator shell, the first heat dissipation plate is in contact with a plurality of third heat pipes, the third heat pipes are in contact with two second heat dissipation plates, the two second heat dissipation plates are in contact with the smoke exhaust ventilator shell, the left side surface and the right side surface of the first heat dissipation plate extending out of. The temperature changing module is integrated on the shell of the range hood to form the range hood. The temperature changing module has simple structure and low cost, is integrated on the shell of the range hood, does not influence the internal structure of the shell of the range hood, and is easy to clean, maintain, assemble and disassemble.

Description

External temperature changing module of smoke ventilator and smoke ventilator
Technical Field
The invention relates to a range hood, in particular to an external temperature changing module of the range hood for refrigerating and heating by using a semiconductor and the range hood.
Background
Cooking at the kitchen range is a hard household work, and particularly in summer, the working environment in a kitchen is very harsh due to the heat generated by the kitchen range and the original hot weather.
In order to solve the problem of overhigh temperature of a kitchen, a fan or an air conditioner is installed in the kitchen, however, the fan has a general blowing refrigeration effect, normal work of the gas stove can be influenced, and potential safety hazards also exist. Due to the special oil fume environment of a kitchen, after a common fan is used for a period of time, a large amount of putty is attached to the fan, the fan is difficult to clean, and the environment of the kitchen is also polluted.
When the air conditioning equipment is installed in a kitchen, on one hand, the cost problem exists, on the other hand, the problem that the cleaning is difficult also exists, and after oil smoke is attached to the surface of an air conditioning heat exchanger, the refrigerating effect is reduced.
Disclosure of Invention
The invention mainly aims to provide an external temperature changing module of a range hood, which has a simple structure and low cost.
Another object of the present invention is to provide a range hood, wherein the external temperature changing module does not occupy the volume of the inner cavity of the range hood housing, does not affect the internal structure of the range hood housing, and is easy to clean and maintain.
In order to achieve the above object, the present invention provides an external temperature changing module of a range hood, including:
a module housing: the heat exchange air inlet and the heat exchange air outlet are arranged on the heat exchange plate;
semiconductor temperature changing device: the heat exchange device comprises a semiconductor refrigeration piece arranged in a hollow cavity of a module shell, and a first heat exchange system and a second heat exchange system which are respectively in thermal contact with a first variable temperature surface and a second variable temperature surface of the semiconductor refrigeration piece, wherein the first heat exchange system is at least partially arranged between a heat exchange air inlet and a heat exchange air outlet, the second heat exchange system comprises a plurality of second heat pipes, one end of each second heat pipe is in thermal contact with the second variable temperature surface of the semiconductor refrigeration piece, the other end of each second heat pipe is in contact with a first heat dissipation plate, the first heat dissipation plate at least partially extends out of the module shell and is in contact with a shell of the range hood, the first heat dissipation plate extending out of the module shell is in contact with a plurality of third heat pipes, the other ends of the plurality of third heat pipes are in contact with two second heat dissipation; the left side and the right side of the first heat dissipation plate extending out of the module shell are respectively provided with a plurality of third heat pipes, and the third heat pipes on the sides are respectively contacted with a second heat dissipation plate.
Still include air supply fan: and the hollow cavity is arranged in the module shell, sucks ambient air from the heat exchange air inlet and blows out the sucked air towards the heat exchange air outlet.
The heat exchange air inlet is arranged on the upper wall of the module shell;
the heat exchange air outlet is arranged at the upper part of the front wall of the module shell;
at least one part of the first heat exchange system is arranged between the air supply fan and the heat exchange air outlet.
The first heat exchange system comprises:
a first heat exchange substrate: thermally contacting the first variable temperature surface of the semiconductor chilling plate;
a plurality of first heat pipes: the heat exchange substrate is a U-shaped tube with an inverted 90-degree angle, the lower pipe sections of the first heat pipes are inserted into the first heat exchange substrate at horizontal intervals, and the upper pipe sections of the first heat pipes are arranged at horizontal intervals or inclined intervals.
And a plurality of heat exchange fins are sleeved on the upper pipe sections of the first heat pipes.
The second heat exchange system further comprises a second heat exchange substrate, the second heat exchange substrate is in thermal contact with the second variable temperature surface of the semiconductor chilling plate, the plurality of second heat pipes are U-shaped, upper pipe sections at the front parts of the plurality of second heat pipes are inserted into the second heat exchange substrate at horizontal intervals, and upper pipe sections at the rear parts of the plurality of second heat pipes are inserted into the first heat dissipation plate at horizontal intervals or inclined intervals.
And the heat exchange air outlet is provided with an air guide grid.
And an air grid is arranged on the heat exchange air inlet.
A range hood, comprising:
the range hood external temperature change module, the second heat exchange system partially extends outside the module shell and is in contact with the range hood shell or the range hood flue shell.
After the scheme is adopted, the invention has the following beneficial effects:
1. the temperature changing module with the external range hood is characterized in that a semiconductor refrigerating sheet is arranged in a hollow cavity of a module shell, and a first heat exchange system and a second heat exchange system are thermally connected to a first temperature changing surface and a second temperature changing surface of the semiconductor refrigerating sheet, so that the first heat exchange system is positioned in the module shell, and the second heat exchange system is positioned outside the module shell;
2. the range hood provided by the invention has the advantages that the second heat exchange system of the range hood external temperature change module partially extends out of the module shell and is in contact with the range hood shell (the range hood flue shell), the second heat exchange system does not occupy the volume of the inner cavity of the range hood shell (the flue shell), so that the internal structure of the range hood shell (the flue shell) is not influenced, the range hood shell (the flue shell) can be directly detachably arranged on the range hood shell (the flue shell) during installation, the range hood is convenient to install and detach, and the range hood can be conveniently cleaned only by taking the module shell off the range hood shell (the flue shell) during cleaning, so that the range hood is easy to.
Drawings
FIG. 1 is a schematic perspective view of an external temperature change module of a range hood according to an embodiment of the present invention;
fig. 2 is a schematic front view of an external temperature change module with a wind guide grid according to an embodiment of the range hood of the present invention;
FIG. 3 is a schematic front view of an external temperature change module of a range hood according to an embodiment of the present invention with a wind guide grid removed;
FIG. 4 is a schematic right view of the internal structure of an external temperature change module of a range hood according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a range hood according to an embodiment of the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1 to 4, an embodiment of the external temperature changing module of the range hood of the present invention generally includes: a module housing 1 and a semiconductor temperature changing device. Wherein: the module housing 1 is a rectangular parallelepiped structure having a hollow cavity.
As shown in fig. 1, in this embodiment, a heat exchanging air inlet 2 is formed in an upper wall of a module housing 1, and an air grid may be disposed on the heat exchanging air inlet 2, and the air grid may be opened obliquely or fully when the module is in operation, so as to ensure that the inlet air does not interfere with the convection air, or else, the air grid is fully closed, so as to prevent dust or dirt from entering. The upper portion of the front wall of the module shell 1 is provided with a heat exchange air outlet 3, as shown in a combined view in fig. 2, the heat exchange air outlet 3 is provided with a wind guide grid 4, the wind guide grid 4 is adjusted according to the position of a detected person, and intelligent air supply can be achieved. The positions of the heat exchanging air inlet 2 and the heat exchanging air outlet 3 can be adjusted according to actual needs, and the design orientation of the embodiment should not limit the protection scope of the present invention.
The semiconductor temperature varying device comprises a semiconductor refrigerating sheet 5 arranged at the lower end of a hollow cavity of a module shell 1, a first heat exchanging system 6 in thermal contact with a first temperature varying surface (upper end) of the semiconductor refrigerating sheet 5, and a second heat exchanging system 7 in thermal contact with a second temperature varying surface (lower end) of the semiconductor refrigerating sheet 5, wherein at least one part of the first heat exchanging system 6 is arranged between a heat exchanging air inlet 2 and a heat exchanging air outlet 3 and is positioned in the hollow cavity of the module shell 1, and the second heat exchanging system 7 extends out of the module shell 1 and is positioned below the module shell 1. The temperature change module further comprises: the air supply fan 8: the cross-flow fan is arranged in a hollow cavity of the module shell 1, sucks ambient air from the heat exchange air inlet 2, and then blows out the sucked air towards the heat exchange air outlet 3;
at least one part of the first heat exchange system 6 is arranged between the air supply fan 8 and the heat exchange air outlet 3. The heat exchange air inlet 2 and the heat exchange air outlet 3 correspond to the air inlet and the air outlet of the air conditioner respectively. The refrigerated wind blows to the human body after the two are installed.
As shown in fig. 2, 3 and 4, the first heat exchange system 6 includes: the first heat exchange substrate 9 is arranged in the hollow cavity of the module shell 1, is positioned above the semiconductor chilling plate 5, and is in thermal contact with the first variable-temperature surface of the semiconductor chilling plate 5; plurality of first heat pipes 10: the heat exchanger is arranged on a first heat exchange substrate 9, each first heat pipe 10 is an inverted 90-degree U-shaped pipe, lower pipe sections of a plurality of first heat pipes 10 are inserted into the first heat exchange substrate 9 at horizontal intervals, upper pipe sections of the plurality of first heat pipes 10 are arranged at horizontal intervals or obliquely intervals, and a plurality of heat exchange fins 11 are sleeved on the upper pipe sections of the plurality of first heat pipes 10.
The second heat exchange system 7 includes: second heat exchange substrate 12: the second temperature-changing surface is arranged below the semiconductor refrigerating sheet 5 and is in thermal contact with the second temperature-changing surface of the semiconductor refrigerating sheet 5; the plurality of second heat pipes 13: the second heat pipes 13 are arranged on the second heat exchange substrate 12, each second heat pipe 13 is U-shaped, the front pipe sections of the upper parts of the second heat pipes 13 are inserted into the second heat exchange substrate 12 at horizontal intervals, the upper pipe sections of the rear parts of the second heat pipes 13 are inserted into the lower ends of the first heat dissipation plates 14 at horizontal intervals or oblique intervals, the first heat dissipation plates 14 are vertically placed and located behind the module shell 1, and the first heat dissipation plates 14 are in contact with the smoke exhaust ventilator shell 15. The left and right sides of the first heat sink 14 extending outside the module case 1 are respectively connected with a plurality of L-shaped third heat pipes 16, and the other ends of the plurality of third heat pipes 16 on each side are respectively connected with a second heat sink 17. Two second heating panels 17 are vertical and are located the left and right side top of first heating panel 14 perpendicularly, and two second heating panels 17 contact with smoke ventilator shell 15.
The external temperature changing module of the range hood has two working modes: namely a cooling mode for summer and a warming mode for winter, the operation mode can be switched by applying direct current voltages of different polarities to the semiconductor cooling fins.
When the module is operated in a cooling mode, the semiconductor refrigeration sheet 5 is electrified, the first temperature changing surface (upper end) of the semiconductor refrigeration sheet 5 is a cold end, the second temperature changing surface (lower end) is a hot end, the upper end of the semiconductor refrigeration sheet 5 exchanges cold with the first heat exchange system 6, the lower end exchanges heat with the second heat exchange system 7, the air supply fan 8 operates, air sucked from the heat exchange air inlet 2 is blown to the heat exchange fins 11 and the first heat pipes 10 by the air supply fan 8, the air exchanges heat with the heat exchange fins 11 and the first heat pipes 10, the air is cooled, cold air is blown out from the heat exchange air outlet 3 along the heat exchange fins 11 and is blown to a human body, the air outlet in front of the air conditioner corresponding to the position of the heat exchange air outlet 3 is cooled, and heat absorbed by the heat exchange fins 11 and the first heat pipes 10 and the air is guided into the first heat exchange substrate 9 through the plurality, the first heat exchange substrate 9 and the semiconductor refrigeration sheet 5 are subjected to surface contact heat exchange, and absorbed heat is finally transferred to the cold end of the semiconductor refrigeration sheet 5; and the heat that semiconductor refrigeration piece 5 hot junction produced takes place the heat exchange through 12 face contacts with second heat exchange substrate, in leading-in second heat pipe 13 with the heat, and spread into first heating panel 14 with the heat through U-shaped second heat pipe 13, part heat passes through 16 leading-in two second heating panels 17 of third heat pipe in the first heating panel 14, and first heating panel 14, second heating panel 17 all transmit the heat to smoke ventilator shell 15, smoke ventilator shell 15 takes place the heat convection with the air, the heat that semiconductor refrigeration piece 5 hot junction produced finally dispels in the air.
When the air conditioner is in a warm mode, the first temperature changing surface (upper end) of the semiconductor chilling plate 5 is a hot end, the second temperature changing surface (lower end) is a cold end, heat generated at the upper end of the semiconductor chilling plate 5 is in surface contact with the first heat exchange substrate 9 to generate heat exchange, the heat is guided into the first heat pipe 10 and is dissipated through the U-shaped first heat pipe 10 and the heat exchange fins 11, the air supply fan 8 runs, air sucked from the heat exchange air inlet 2 is blown to the first heat pipe 10 and the heat exchange fins 11 by the air supply fan 8 to generate heat exchange with the first heat pipe 10 and the heat exchange fins 11, the air is blown to the heat exchange air outlet 3 along the direction of the heat exchange fins 11, the heat exchange air outlet 3 is hot air, and the hot air is discharged from the air outlet in front of the; meanwhile, cold energy generated by the cold end (lower end) of the semiconductor refrigerating sheet 5 is subjected to heat exchange through surface contact with the second heat exchange substrate 12, the cold energy is guided into the second heat pipes 13, the cold energy is transmitted into the first heat dissipation plate 14 through the U-shaped second heat pipes 13, part of the cold energy in the first heat dissipation plate 14 is guided into the two second heat dissipation plates 17 through the third heat pipes 16, the cold energy is uniformly transmitted to the smoke exhaust ventilator shell 15 through the first heat dissipation plate 14 and the second heat dissipation plates 17, the smoke exhaust ventilator shell 15 and air are subjected to convection heat exchange, the temperature of the smoke exhaust ventilator shell 15 is reduced, and the temperature of the smoke exhaust ventilator shell 15 is reduced and the.
As shown in fig. 5, which is a schematic perspective view of an embodiment of the range hood of the present invention, the range hood includes a range hood housing 15, the range hood housing 15 includes a horizontal housing 18 and a flue housing 19, the horizontal housing 18 is rectangular, the flue housing 19 is fixed on an upper surface of the horizontal housing 18, the range hood external temperature varying module is installed on the flue housing 19, a first heat dissipation plate 14 of the range hood external temperature varying module is fixed on a front wall of the flue housing 19 in a detachable connection manner, such as a bolt connection manner, and two second heat dissipation plates 17 of the range hood external temperature varying module are bilaterally symmetric and fixed on left and right side walls of the flue housing 19 in a detachable connection manner. The front wall of the horizontal housing 18 is provided with a main control panel 20 of the range hood, and the main control panel 20 of the range hood is used for giving an electric control command to the semiconductor temperature changing device to control the semiconductor temperature changing device to work in a cooling mode or a warming mode.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims (9)

1. The utility model provides an external alternating temperature module of smoke ventilator which characterized in that: the method comprises the following steps:
a module housing: the heat exchange air inlet and the heat exchange air outlet are arranged on the heat exchange plate;
semiconductor temperature changing device: the heat exchange device comprises a semiconductor refrigeration piece arranged in a hollow cavity of a module shell, and a first heat exchange system and a second heat exchange system which are respectively in thermal contact with a first variable temperature surface and a second variable temperature surface of the semiconductor refrigeration piece, wherein the first heat exchange system is at least partially arranged between a heat exchange air inlet and a heat exchange air outlet, the second heat exchange system comprises a plurality of second heat pipes, one end of each second heat pipe is in thermal contact with the second variable temperature surface of the semiconductor refrigeration piece, the other end of each second heat pipe is in contact with a first heat dissipation plate, the first heat dissipation plate at least partially extends out of the module shell and is in contact with a shell of the range hood, the first heat dissipation plate extending out of the module shell is in contact with a plurality of third heat pipes, the other ends of the plurality of third heat pipes are in contact with two second heat dissipation; the left side and the right side of the first heat dissipation plate extending out of the module shell are respectively provided with a plurality of third heat pipes, and the third heat pipes on the sides are respectively contacted with a second heat dissipation plate.
2. The range hood external temperature change module of claim 1, wherein:
still include air supply fan: and the hollow cavity is arranged in the module shell, sucks ambient air from the heat exchange air inlet and blows out the sucked air towards the heat exchange air outlet.
3. The range hood external temperature change module of claim 1, wherein:
the heat exchange air inlet is arranged on the upper wall of the module shell;
the heat exchange air outlet is arranged at the upper part of the front wall of the module shell;
at least one part of the first heat exchange system is arranged between the air supply fan and the heat exchange air outlet.
4. The range hood external temperature change module of claim 1, wherein: the first heat exchange system comprises:
a first heat exchange substrate: thermally contacting the first variable temperature surface of the semiconductor chilling plate;
a plurality of first heat pipes: the heat exchange substrate is a U-shaped tube with an inverted 90-degree angle, the lower pipe sections of the first heat pipes are inserted into the first heat exchange substrate at horizontal intervals, and the upper pipe sections of the first heat pipes are arranged at horizontal intervals or inclined intervals.
5. The range hood external temperature change module of claim 4, wherein: and a plurality of heat exchange fins are sleeved on the upper pipe sections of the first heat pipes.
6. The range hood external temperature change module of claim 1, wherein: the second heat exchange system further comprises a second heat exchange substrate, the second heat exchange substrate is in thermal contact with the second variable temperature surface of the semiconductor chilling plate, the plurality of second heat pipes are U-shaped, upper pipe sections at the front parts of the plurality of second heat pipes are inserted into the second heat exchange substrate at horizontal intervals, and upper pipe sections at the rear parts of the plurality of second heat pipes are inserted into the first heat dissipation plate at horizontal intervals or inclined intervals.
7. The range hood external temperature change module of claim 1, wherein: and the heat exchange air outlet is provided with an air guide grid.
8. The range hood external temperature change module of claim 7, wherein: and an air grid is arranged on the heat exchange air inlet.
9. A range hood, its characterized in that: the method comprises the following steps:
the range external temperature change module of any of claims 1-8, wherein the second heat exchange system extends partially outside the module housing and contacts the range hood housing or the range hood flue housing.
CN201410467505.9A 2014-09-15 2014-09-15 External temperature changing module of smoke ventilator and smoke ventilator Active CN105485737B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410467505.9A CN105485737B (en) 2014-09-15 2014-09-15 External temperature changing module of smoke ventilator and smoke ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410467505.9A CN105485737B (en) 2014-09-15 2014-09-15 External temperature changing module of smoke ventilator and smoke ventilator

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CN105485737A CN105485737A (en) 2016-04-13
CN105485737B true CN105485737B (en) 2019-12-31

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8511578B2 (en) * 2002-05-21 2013-08-20 Bsh Bosch Und Siemens Hausgeraete Gmbh Vapor extraction apparatus having an extended range of functions
CN101413692A (en) * 2007-10-15 2009-04-22 上海市格致中学 Cooking fume exhauster
CN101737885B (en) * 2009-11-04 2012-05-23 合肥博普高新科技有限公司 Energy-saving and environment-friendly small air conditioner
CN203744338U (en) * 2014-02-26 2014-07-30 海尔集团公司 Air supply module of range hood and range hood
CN204141662U (en) * 2014-09-15 2015-02-04 青岛海尔智能技术研发有限公司 Smoke exhaust ventilator external alternating temperature module and smoke exhaust ventilator

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