CN216557312U

CN216557312U - Cold air delivery device of smoke extractor based on semiconductor refrigeration

Info

Publication number: CN216557312U
Application number: CN202123228866.2U
Authority: CN
Inventors: 文坚; 胡明菊; 张海潮; 田伟; 何显勇
Original assignee: Skyworth Electric Co Ltd
Current assignee: Skyworth Electric Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-17
Anticipated expiration: 2031-12-21

Abstract

The invention provides a cold air delivery device of a smoke extractor based on semiconductor refrigeration, which comprises a fairing, wherein the middle part of an inner cavity of the fairing is divided into a refrigeration air channel and a heat dissipation air channel which are arranged up and down by a partition plate which is horizontally arranged, the left end of the fairing is provided with an air inlet which is communicated with the outside, a fan is arranged in the air inlet in a matching way, the left ends of the refrigeration air channel and the heat dissipation air channel are both communicated with the air inlet, the right end of the refrigeration air channel and the right end of the heat dissipation air channel are respectively connected with a heat exhaust air pipe and a heat exhaust air pipe, and the cold air delivery device can provide room temperature air quantity required by refrigeration and room temperature air quantity required by heat dissipation for a refrigeration piece through the fairing. The invention can be arranged on a kitchen smoke extractor or arranged nearby the kitchen smoke extractor, and can directly blow cold air to the upper half body of a cook, thereby generating comfortable feeling; the heat generated by the semiconductor during refrigeration is just discharged to the outside through the air pipe of the smoke exhaust machine, and the problem of kitchen temperature rise is not worried about.

Description

Cold air delivery device of smoke extractor based on semiconductor refrigeration

Technical Field

The invention relates to the technical field of smoke extractors, in particular to a cold air delivery device of a smoke extractor based on semiconductor refrigeration.

Background

At present, few air conditioners are installed in the existing kitchen, so the heat generated by kitchen cooking and the tightly closed kitchen door are added, when people cook in the summer in south China, the people often need to face at a temperature higher than 40 ℃, and often sweat down and down, and the people sweat down and down, and the kitchen still has 'extremely hot dead corners' ignored by people relative to a living room and a bedroom, so that the operation environment needs to be improved urgently.

Although some household air-conditioning manufacturers develop air-conditioners special for kitchens in the market, the air-conditioners cannot be placed in an overhead smoke suction machine due to the fact that the traditional compressor refrigeration technology is adopted, the power is high, the size is large, and the weight is heavy. The traditional compressor air conditioner has a high price for the requirement of directionally supplying cold air only for the individual of a kitchen cooker and reducing the temperature by 5-8 degrees, occupies a large area and has low utilization rate. Therefore, a range hood with a directional cold air supply device or a small directional cold air supply device matched with the existing range hood in an installation-free manner can be expected to greatly improve the use environment of the kitchen and be popular in the market.

Disclosure of Invention

In order to solve the problems, the invention discloses a cold air supply device of a smoke extractor based on semiconductor refrigeration, which has the size of less than 80x80x250mm, is compact in size, can be arranged on the smoke extractor in a kitchen or placed nearby, and can directly blow cold air to the upper half body of a cooker to generate comfortable feeling; the heat generated by the semiconductor during refrigeration is just discharged to the outside through the air pipe of the smoke exhaust machine, and the problem of kitchen temperature rise is not worried about.

The specific scheme is as follows:

the utility model provides a smoke extractor send cold wind device based on semiconductor refrigeration which characterized in that: including the radome fairing, the refrigeration wind channel and the heat dissipation wind channel that set up about the division board of the inner chamber middle part by the level setting of radome fairing falls into, the left end of radome fairing is equipped with for the air intake with outside intercommunication, and the interior cooperation of air intake installs the fan, the left end in refrigeration wind channel and heat dissipation wind channel all communicates with the air intake, and the right-hand member is connected with exhaust air pipe and exhaust air pipe respectively, through the radome fairing, can provide the required room temperature amount of wind of refrigeration and the required room temperature amount of wind of heat dissipation simultaneously for the refrigeration piece.

As a further improvement of the invention, the partition plate is provided with a mounting hole along the vertical direction, the mounting hole is internally provided with a cooling guide block and a semiconductor refrigeration piece which are arranged up and down, the semiconductor refrigeration piece is horizontally arranged, the refrigeration surface of the semiconductor refrigeration piece is upward and is tightly attached to the cooling guide block, and the heat dissipation surface of the semiconductor refrigeration piece is downward, wherein the working voltage of the semiconductor refrigeration piece is 12v, the size of the semiconductor refrigeration piece is 4x40x40mm, and the partition plate is made of a heat insulation material and is 24x70x150 mm.

As a further improvement of the present invention, a cooling fin set is fittingly installed in the cooling air duct, the cooling fin set includes cooling fins uniformly arranged from front to back, the cooling fins are transversely arranged and closely attached to the top surface of the cold guide block, wherein the size of the cooling fins is 30x70x150 mm.

As a further improvement of the present invention, the heat dissipation air duct is provided with a heat dissipation fin set in a matching manner, the heat dissipation fin set comprises heat dissipation fins which are uniformly arranged from front to back, the heat dissipation fins are transversely arranged and are tightly attached to the bottom surface of the semiconductor refrigeration sheet, wherein the size of each heat dissipation fin is 30x70x150 mm.

As a further improvement of the invention, the cooling air exhaust pipe and the heating air exhaust pipe are arranged up and down, wherein a right end pipe orifice of the cooling air exhaust pipe faces to the front side, a right end pipe orifice of the heating air exhaust pipe faces to the rear side, and a cooling air exhaust port and a heating air exhaust port which correspond to and are matched with the positions of the right end pipe orifices of the cooling air exhaust pipe and the heating air exhaust pipe are respectively arranged on the front side and the rear side of the right end of the fairing, wherein the cooling air exhaust port is in a square shape of 35x50mm and is responsible for supplying cooling air to a user, and the heating air exhaust port is in a circular shape of phi 30 mm.

As a further improvement of the invention, the left end of the partition plate is provided with a flow guide block for vertically dividing the wind at the air inlet, and the left side of the flow guide block is an arc surface with the middle part protruding leftwards.

The invention has the beneficial effects that:

1. the novel air inlet design of the single fan and the fairing is adopted, the room temperature air quantity required by refrigeration and the room temperature air quantity required by heat dissipation can be simultaneously met, and the cost and the structural size are greatly reduced; the overall size is less than 80x80x250mm, cold air with the temperature lower than room temperature by 3-8 degrees can be generated at the cold air inlet, and the temperature reduction amplitude can be adjusted by the power of the refrigerating sheet;

2. the problem that hot air is exhausted outdoors during semiconductor refrigeration is solved by creatively using an exhaust fan exhaust system; the heat generated by the refrigerating sheet can be directly exhausted from the interior of the smoke extractor to an exhaust pipe of the smoke extractor, or is connected to the vicinity of a smoke extraction port of the smoke extractor through a hose and then is exhausted out of a room;

3. the range hood is integrated into a range hood device which is installed at the top, or is directly placed on the upper surface of the existing range hood, or is vertically placed on a kitchen table board near the integrated cooker, and then a hot air exhaust outlet is connected with an exhaust outlet of the range hood through a hose, so that the range hood can be placed movably and is free of installation; wherein, the invention can be horizontally or vertically placed.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view showing the installation of the cold air blowing device in embodiment 1.

Fig. 4 is a schematic view showing the installation of the cold air blowing device in embodiment 2.

Fig. 5 is a schematic view showing the installation of the cold air blowing device in embodiment 3.

FIG. 6 is a schematic view of a cold air blowing apparatus in example 4.

List of reference numerals:

the cooling structure comprises a flow guiding block, a flow guiding block and a flow guiding block, wherein the flow guiding block comprises a 1-fairing, a 2-partition plate, a 3-fan, a 4-cooling air pipe, a 5-heating air pipe, a 6-cooling guiding block, a 7-semiconductor refrigerating sheet, 8-refrigerating fins, 9-radiating fins, a 10-cooling air outlet, an 11-heating air outlet and a 12-guiding block.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.

As shown in fig. 1-2, a smoke exhauster cold air supply device based on semiconductor refrigeration comprises a fairing 1, the middle part of an inner cavity of the fairing 1 is divided into a refrigeration air channel and a heat dissipation air channel which are arranged up and down by a division plate 2 arranged horizontally, the left end of the fairing 1 is provided with an air inlet communicated with the outside, a fan 3 is arranged in the air inlet in a matching manner, the left ends of the refrigeration air channel and the heat dissipation air channel are communicated with the air inlet, the right ends of the refrigeration air channel and the heat dissipation air channel are respectively connected with a cooling air exhaust pipe 4 and a heat exhaust air pipe 5, and the cold air supply device can provide the required room temperature air volume for refrigeration and the required room temperature air volume for heat dissipation for a refrigeration piece through the fairing.

The invention adopts the semiconductor refrigeration technology, the semiconductor refrigeration piece generates temperature difference under the action of 12V current, the cold end is upward and is connected with the cold guide block and the refrigeration fin to generate low temperature; the hot end faces downwards and is connected with the radiating fins to generate heat, and the fan vertically arranged on one side generates airflow in the horizontal direction to suck room-temperature air into the cavity of the fairing; the sucked room temperature air is divided into an upper part air flow A for refrigeration and a lower part air flow B for heat dissipation, the air flow A for refrigeration flows through the refrigeration fins to reduce the air temperature into cold air, the cold air is guided by a 90-degree forward bent pipe and is blown out from a cold air outlet to provide cold air flow for a cooker; the airflow B for heat dissipation flows through the heat dissipation fins to take away the heat of the refrigeration sheet to form high-temperature gas, the high-temperature gas is bent backwards by 90 degrees and guided to the vicinity of an air outlet of the smoke extractor by matching with a hose, and the high-temperature gas is sucked into the air outlet and discharged out of a room; if the temperature is sensed to be lower, the power of the refrigerating sheet can be reduced, and the air volume of the cold air supply opening can be reduced; and vice versa.

In this embodiment, a mounting hole is formed in the partition plate 2 in the vertical direction, a cooling guide block 6 and a semiconductor cooling plate 7 are vertically arranged in the mounting hole, the semiconductor cooling plate 7 is horizontally arranged, the cooling surface of the semiconductor cooling plate faces upwards and is tightly attached to the cooling guide block 6, and the heat dissipation surface of the semiconductor cooling plate faces downwards, wherein the operating voltage of the semiconductor cooling plate is 12v, the size of the semiconductor cooling plate is 4x40x40mm, and the partition plate is made of a heat insulating material and is 24x70x150 mm.

In this embodiment, a cooling fin set is fittingly installed in the cooling air duct, the cooling fin set includes cooling fins 8 uniformly arranged from front to back, the cooling fins 8 are transversely arranged and closely attached to the top surface of the cold guide block 6, wherein the size of the cooling fins is 30x70x150 mm.

In this embodiment, a heat dissipating air duct is fittingly installed with a heat dissipating fin set, the heat dissipating fin set includes heat dissipating fins 9 evenly arranged from front to back, the heat dissipating fins 9 are transversely arranged and closely attached to the bottom surface of the semiconductor refrigeration sheet 7, wherein the size of the heat dissipating fins is 30x70x150 mm.

In this embodiment, the exhaust cooling air duct 4 and the exhaust heating air duct 5 are vertically arranged, wherein a right end pipe orifice of the exhaust cooling air duct 4 faces the front side, a right end pipe orifice of the exhaust heating air duct 5 faces the rear side, and a cold air exhaust opening 10 and a hot air exhaust opening 11 which correspond to and are matched with the right end pipe orifices of the exhaust cooling air duct 4 and the exhaust heating air duct 5 are respectively arranged on the front side and the rear side of the right end of the fairing 1, wherein the size of the cold air exhaust opening is 35x50mm square, and is responsible for supplying cold air to a user, and the size of the hot air exhaust opening is phi 30mm circular.

In this embodiment, the left end of the partition plate 2 is provided with a flow guide block 12 for vertically dividing the wind at the air inlet, and the left side of the flow guide block 12 is a circular arc surface with a middle portion protruding leftward.

Example 1

As shown in fig. 3, the present invention is horizontally integrated into a top-mounted smoke extractor device, the cool air outlet is directed to the front side to blow cool air to a cook, the hot air outlet is directed to the rear side and extends to the upper side of the fan of the smoke extractor through a hose, and the exhausted hot air is exhausted from the air outlet at the upper part of the rear side of the smoke extractor together with the smoke extracted by the smoke extractor.

Example 2

As shown in figure 4, the invention is directly arranged on the upper surface of the existing installed smoke exhaust ventilator, the cold air exhaust outlet faces to the front side to blow cold air for a cook, the hot air exhaust outlet extends to the lower part of the fan of the smoke exhaust ventilator through a hose, and the exhausted hot air and the oil smoke sucked by the smoke exhaust ventilator are exhausted from the exhaust outlet at the upper part of the rear side of the smoke exhaust ventilator.

Example 3

As shown in fig. 5, the present invention is vertically placed on the kitchen table near the integrated stove, the cold air outlet faces to the front side to blow cold air to the cookers, the hot air outlet extends to the upper side of the air outlet at the upper end of the rear part of the integrated stove through a hose, and the exhausted hot air and the oil smoke sucked by the integrated stove are exhausted from the air outlet of the integrated stove.

Example 4

As shown in fig. 6, the multi-core configuration is adopted, the cooling air volume of the N cooling fin lifting devices is increased by 80x80x (200 + N × 50 mm) correspondingly. For example, 2 refrigerating pieces with the size of 80x80x300 are adopted; 3 refrigeration pieces with dimensions of 80x80x350 were used. The sizes of the cooling fins and the heat dissipation fins become 30x70x200 and 30x70x250, respectively. Other structures are not changed. The multi-core N refrigeration pieces are adopted, the corresponding refrigeration power is 60N, and the current is 5N.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a smoke extractor send cold wind device based on semiconductor refrigeration which characterized in that: including radome fairing (1), the refrigeration wind channel and the heat dissipation wind channel that set up about the division board (2) of inner chamber middle part by the level setting of radome fairing (1) fall into, the left end of radome fairing (1) is equipped with the air intake with outside intercommunication, and the air intake fit installs fan (3), the left end in refrigeration wind channel and heat dissipation wind channel all communicates with the air intake, and the right-hand member is connected with row's cool air pipe (4) and row's hot-blast main (5) respectively.

2. The cold air sending device of the smoke extractor based on the semiconductor refrigeration as claimed in claim 1, wherein the partition plate (2) is provided with mounting holes, the mounting holes are provided with the cold guide blocks (6) and the semiconductor refrigeration sheets (7) which are arranged up and down, the semiconductor refrigeration sheets (7) are horizontally arranged, the refrigeration surface of the semiconductor refrigeration sheets is upward and closely attached to the cold guide blocks (6), and the heat dissipation surface of the semiconductor refrigeration sheets is downward.

3. The cold air blowing device of the smoke extractor based on the semiconductor refrigeration as claimed in claim 2, wherein a refrigeration fin set is fittingly installed in the refrigeration air duct.

4. The cold air sending device of the smoke extractor based on the semiconductor refrigeration as claimed in claim 3, wherein the cooling fin group comprises cooling fins (8) which are uniformly arranged from front to back, and the cooling fins (8) are transversely arranged and closely attached to the top surface of the cold guide block (6).

5. The semiconductor refrigeration-based cold air supply device of the smoke extractor as claimed in claim 2, wherein the cooling air duct is fitted with a cooling fin set.

6. The semiconductor refrigeration-based cold air delivery device of the smoke extractor as claimed in claim 5, wherein the heat dissipation fin set comprises heat dissipation fins (9) uniformly arranged from front to back, and the heat dissipation fins (9) are transversely arranged and closely attached to the bottom surface of the semiconductor refrigeration sheet (7).

7. The cold air supply device of the smoke extractor based on the semiconductor refrigeration as claimed in claim 1, wherein the cold air exhaust pipe (4) and the hot air exhaust pipe (5) are arranged up and down, wherein a right end pipe orifice of the cold air exhaust pipe (4) faces to the front side, and a right end pipe orifice of the hot air exhaust pipe (5) faces to the rear side.

8. The cold air supply device of the smoke extractor based on the semiconductor refrigeration as claimed in claim 7, wherein the front side and the rear side of the right end of the fairing (1) are respectively provided with a cold air exhaust opening (10) and a hot air exhaust opening (11) which correspond to and are matched with the positions of the right end pipe openings of the exhaust air pipe (4) and the hot air exhaust pipe (5).

9. The cold air blowing device of the smoke extractor based on the semiconductor refrigeration as claimed in claim 1, wherein a flow guide block (12) for vertically dividing the air at the air inlet is arranged at the left end of the partition plate (2), and the left side of the flow guide block (12) is an arc surface with a middle part protruding leftwards.