CN112815444A

CN112815444A - Rotary wheel type heat recovery ventilator

Info

Publication number: CN112815444A
Application number: CN202110025373.4A
Authority: CN
Inventors: 王柳红
Original assignee: Guangzhou Yibimu Electromechanical Equipment Co ltd
Current assignee: Guangzhou Yibimu Electromechanical Equipment Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-05-18

Abstract

The invention discloses a rotary wheel type heat recovery ventilator, which mainly relates to the field of house ventilation; the heat exchange device comprises a cover plate, a middle plate and a bottom plate, wherein two centrifugal fans are arranged on the bottom plate, flow guide holes matched with the centrifugal fans are formed in the middle plate, lower folded plates matched with an air inlet end and upper folded plates matched with an air outlet end are arranged at two ends of the middle plate, the top ends of the upper folded plates are abutted to the cover plate, the bottom ends of the lower folded plates are abutted to the bottom plate, a lower partition plate is arranged between the two centrifugal fans, sealing plates matched with vertical plates are arranged at the left end and the right end of the cover plate, a mounting frame is arranged between the two vertical plates, a heat exchange rotating wheel is mounted on the mounting frame, an upper partition plate is arranged at the top of the mounting frame, the top ends of the upper partition plates are; the invention can effectively avoid the loss of cold air or warm air of the air conditioner in the fresh air exchange process, and keep the humidity balance of indoor air, thereby reducing the energy loss.

Description

Rotary wheel type heat recovery ventilator

Technical Field

The invention relates to the field of house ventilation, in particular to a rotary wheel type heat recovery ventilator.

Background

The fresh air ventilator is designed and developed according to the principle that fresh air flowing field can be formed indoors by blowing air from one side of a closed room and inducing air from the other side of the closed room, and the fresh air ventilator is a novel environment-friendly electric appliance which can maintain indoor air clean and fresh by means of mechanical blowing and inducing air to force the fresh air flowing field to be formed in a system. At present, the current runner type heat recovery ventilator belongs to convection formula direct contact heat transfer, and the structure is complicated, and the inevitable loss that can appear air conditioning or heating installation in the process of taking a breath can't keep indoor air humidity balance, still need be equipped with other facilities and just can accord with people's body and feel the requirement, and the energy consumption is high.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a rotary wheel type heat recovery ventilator which can effectively avoid the loss of cold air or warm air of an air conditioner in the fresh air ventilation process and keep the humidity balance of indoor air so as to reduce the loss of energy.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the rotary wheel type heat recovery ventilator comprises a cover plate, a middle plate and a bottom plate, wherein vertical plates are arranged at the front end and the rear end of the top of the bottom plate, two pipeline interfaces are arranged on the two vertical plates, one pipeline interface is an air inlet end, the other pipeline interface is an air outlet end, two centrifugal fans are arranged on the bottom plate, flow guide holes matched with the centrifugal fans are formed in the middle plate, lower folded plates matched with the air inlet end and upper folded plates matched with the air outlet end are arranged at the two ends of the middle plate, the top ends of the upper folded plates are abutted to the cover plate, the bottom ends of the lower folded plates are abutted to the bottom plate, a lower partition plate is arranged between the two centrifugal fans, the top ends of the lower partition plate are abutted to the middle plate, the bottom ends of the lower partition plate are abutted to the bottom plate, closed plates matched with the vertical plates are arranged at the left end and, Two risers enclose into rectangular shell, two be equipped with the mounting bracket between the riser, install the heat exchange runner on the mounting bracket, the top of mounting bracket is equipped with the baffle, the top and the apron butt of going up the baffle, the bottom and the mounting bracket butt of going up the baffle.

Preferably, the inner wall of the rectangular shell is provided with silencing cotton.

Preferably, the centrifugal fan is a backward inclined outer rotor centrifugal fan.

Preferably, the axis of the air inlet end on one of the vertical plates is coincident with the axis of the air outlet end on the other vertical plate.

Preferably, the mounting bracket comprises an upper bracket located on the upper side of the heat exchange rotating wheel and a lower bracket located on the lower side of the heat exchange rotating wheel, a speed reduction motor used for driving the heat exchange rotating wheel to rotate is arranged in the middle of the top of the upper bracket, and a bearing seat is arranged in the middle of the lower bracket.

Preferably, the heat exchange rotating wheel is a honeycomb type porous rotating wheel, a plurality of honeycomb holes are formed in the heat exchange rotating wheel, and heat exchange wires are filled in the honeycomb holes.

Preferably, the bottom surface of the heat exchange rotating wheel is sealed by silk meshes, and the top surface is sealed by a cold catalyst primary filter screen.

Preferably, the top of the middle plate is provided with a middle partition plate, and the middle partition plate surrounds the heat exchange rotating wheel to form a semicircular air duct enclosing plate.

Preferably, the cover plate, the middle plate and the bottom plate are all formed by stamping and folding metal plates.

Preferably, a junction box is arranged on the outer wall of one of the vertical plates.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can realize the integration of fresh air supply and air exhaust of a house, effectively avoid the loss of cold air or warm air of an air conditioner in the fresh air ventilation process, keep the humidity balance of indoor air and further reduce the energy loss.

2. The invention adopts two external rotor backward tilting centrifugal fans, the high rotating speed can fully ensure the ultrahigh residual pressure inside and outside the equipment and enough air volume, the energy efficiency ratio is high, the air of double air channels does not generate series flow, the air volume is large, the power consumption is small, the service life is long, the intelligent control can be realized according to the high rotating speed and low rotating speed circuit connection, the three-speed motor or the EC motor can also be adopted, and the ultrahigh air pressure can be connected with pipelines of dozens of meters.

3. The heat exchange rotating wheel is thin in volume, occupies small space when being installed in heat recovery machine equipment, occupies small ceiling space when the whole machine is thin, is convenient to install, has heat storage and heat release functions, is small in wind resistance, can filter large particles of dust in air by the cold catalyst primary filter screen, and is not required to be replaced and maintained by adopting the heat exchange wires as permanent fillers.

4. The invention has low noise, convenient disassembly and assembly, easy maintenance, no loss in long-term operation, low production process cost and easy mass production.

5. The cover plate, the middle plate and the bottom plate are formed by stamping and folding metal plates, the whole machine has no welding spots and does not need spraying, the environment is protected, and the structure has the advantage that materials (such as stainless steel plates, 5052 aluminum alloy plates and galvanized plates) can be selected at will, so that the requirements of reducing weight, improving appearance or reducing cost and the like are met.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of an upper partition;

FIG. 3 is a schematic structural diagram of a middle plate;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic view of the construction of the base plate;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a top view of the lower baffle plate;

FIG. 8 is a top view of the midplate;

FIG. 9 is a top view of the upper bracket;

FIG. 10 is a top view of the lower bracket;

FIG. 11 is a schematic view of the construction of a heat exchange rotor;

fig. 12 is a top view of fig. 11.

The reference numbers in the drawings: 1. a cover plate; 11. a closing plate; 2. a middle plate; 21. a flow guide hole; 22. folding the plate; 23. folding the plate; 3. a base plate; 31. a vertical plate; 32. a pipe interface; 33. a centrifugal fan; 34. a lower partition plate; 35. a junction box; 4. a mounting frame; 41. an upper bracket; 42. a lower bracket; 5. a heat exchange runner; 6. an upper partition plate; 7. a reduction motor; 8. a bearing seat; 9. a middle partition plate.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Example (b): as shown in fig. 1-12, the invention relates to a wheel type heat recovery ventilator, which comprises a cover plate 1, a middle plate 2, and a bottom plate 3, wherein vertical plates 31 are respectively disposed at the front end and the rear end of the top of the bottom plate 3, the bottom plate 3 and the two vertical plates 31 are integrally formed, the whole body is U-shaped, two pipe joints 32 are respectively disposed on the two vertical plates 31, one pipe joint 32 is an air inlet end, the other pipe joint 32 is an air outlet end, and preferably, the axis of the air inlet end on one vertical plate 31 coincides with the axis of the air outlet end on the other vertical plate 31. Two centrifugal fans 33 are arranged on the bottom plate 3, preferably, the centrifugal fans 33 are backward inclined outer rotor centrifugal fans and are symmetrically arranged on the bottom plate 3. Furthermore, in order to prevent the power cord from leaking, a junction box 35 is arranged on the outer wall of one of the vertical plates 31. Preferably, four corners of the bottom plate are provided with hoisting frames, so that the installation is convenient. Be equipped with the water conservancy diversion hole 21 that suits with centrifugal fan 33 on the medium plate 2, the both ends of medium plate 2 all are equipped with the lower folded plate 22 that suits with the air inlet end, the last folded plate 23 that suits with the air-out end, just the top and the 1 butt of apron of last folded plate 23, the bottom and the 3 butts of bottom plate of lower folded plate 22, two be equipped with down baffle 34 between the centrifugal fan 33, the top and the 2 butts of medium plate of baffle 34 down, the bottom and the 3 butts of bottom plate of baffle 34 down, lower baffle 34 are the S-shaped for separate two centrifugal fan 33' S double vortex space. The diversion holes 21 are combined with the bottom plate 3 and the lower partition plate 34 to form a double vortex shape in a simplified manner, so that the performance of the centrifugal fan 33 can be improved. The left end and the right end of the cover plate 1 are provided with the closing plates 11 matched with the vertical plates 31, the cover plate 1 and the closing plates 11 are integrally formed and are integrally U-shaped, and the cover plate 1 is connected with the bottom plate 3 through screws. The cover plate 1, the two closing plates 11, the bottom plate 3 and the two vertical plates 31 are enclosed to form a rectangular shell, preferably, the inner wall of the rectangular shell is provided with silencing cotton, the cover plate 1, the middle plate 2 and the bottom plate 3 are all formed by adopting metal plate stamping and edge folding, the cover plate 1, the middle plate 2 and the bottom plate 3 are formed by adopting metal plate stamping and edge folding, the whole machine does not need welding spots and spraying, the structure has the advantages that materials (such as stainless steel plates, 5052 aluminum alloy plates or galvanized plates) can be selected at will according to the requirements of corrosion resistance, weight reduction, appearance improvement or cost reduction, and the like, unnecessary links are avoided, and the process cost is low. An installation frame 4 is arranged between the two vertical plates 31, and a heat exchange runner 5 is installed on the installation frame 4. Preferably, the mounting frame 4 includes an upper bracket 41 located on the upper side of the heat exchange rotating wheel 5 and a lower bracket 42 located on the lower side of the heat exchange rotating wheel 5, the middle part of the top of the upper bracket 41 is provided with a speed reduction motor 7 for driving the heat exchange rotating wheel 5 to rotate, the middle part of the lower bracket 42 is provided with a bearing seat 8, the upper bracket 41 and the lower bracket 42 are both made of metal plates and punched with porous grids, and the end parts of the upper bracket 41 and the lower bracket 42 are both fixed on the inner wall of the vertical plate 31 through screws.

Preferably, the heat exchange rotating wheel 5 is a honeycomb type porous rotating wheel, a plurality of honeycomb holes are formed in the heat exchange rotating wheel 5, and heat exchange wires are filled in the honeycomb holes. Furthermore, the bottom surface of the heat exchange rotating wheel 5 is sealed by silk meshes, the top surface is sealed by a cold catalyst primary filter screen, and the speed reduction motor 7 drives the heat exchange rotating wheel 5 to rotate at the rotating speed of 6-8 r/min.

The top of mounting bracket 4 is equipped with baffle 6, go up the top and the 1 butt of apron of baffle 6, go up the bottom and the 4 butts of mounting bracket of baffle 6, separate the air of two wind passageways.

Preferably, the top of the middle plate 2 is provided with a middle partition plate 9, the middle partition plate 9 surrounds the heat exchange rotating wheel 5 to form a semicircular air duct enclosure, and the distance between the lower end face of the heat exchange rotating wheel 5 and the middle plate 2 is pulled, so that the air passing through the heat exchange rotating wheel 5 is more uniform.

During assembly, the centrifugal fan 33 and the middle plate 2 are fixed on the bottom plate 3, the speed reducing motor 7 is installed on the upper support 41, the bearing seat 8 is installed on the lower support 42, the end parts of the upper support 41 and the lower support 42 are fixed on the vertical plates 31 at the corresponding ends through screws to clamp the heat exchange rotating wheel 5, then the cover plate 1 covers the bottom plate 3 to form a box body, and the screws are locked to complete the assembly.

The novel air conditioner is thin in size, can be buried in a ceiling, is simple and convenient to install, and a fresh air system provided with the novel air conditioner can effectively avoid the loss of cold air or warm air of the air conditioner in the fresh air exchange process, keep the humidity balance of indoor air and further reduce the loss of energy; the heat exchange wires on the heat exchange rotating wheel 5 have the functions of heat storage and heat release, the wind resistance is small, and the cold catalyst primary filter screen can filter large particles of dust in the air; the inner wall is fully adhered with silencing cotton, so that the noise is low; the two outer rotor backward-tilting centrifugal fans are symmetrically installed, the energy efficiency ratio is high, the air of double air channels does not generate series flow, the air quantity is large, the power consumption is low, the service life is long, the circuits can be connected according to high-rotating-speed and low-rotating-speed circuits, the intelligent control can be realized by adopting a three-speed motor or an EC motor, and the ultrahigh air pressure can be connected with a pipeline of dozens of meters; the whole machine is convenient to disassemble and assemble and is beneficial to maintenance; the long-term operation is lossless without replacement, the production process cost is low, and the mass production is easy; one machine can control multi-zone ventilation and can be widely applied to indoor and commercial places.

Claims

1. Runner type heat recovery ventilator, including apron (1), medium plate (2), bottom plate (3), its characterized in that: the front end and the rear end of the top of the bottom plate (3) are respectively provided with a vertical plate (31), the two vertical plates (31) are respectively provided with two pipeline interfaces (32), one pipeline interface (32) is an air inlet end, the other pipeline interface (32) is an air outlet end, the bottom plate (3) is provided with two centrifugal fans (33), the middle plate (2) is provided with a flow guide hole (21) matched with the centrifugal fan (33), the two ends of the middle plate (2) are respectively provided with a lower folded plate (22) matched with the air inlet end and an upper folded plate (23) matched with the air outlet end, the top end of the upper folded plate (23) is abutted against the cover plate (1), the bottom end of the lower folded plate (22) is abutted against the bottom plate (3), a lower partition plate (34) is arranged between the two centrifugal fans (33), the top end of the lower partition plate (34) is abutted against the middle plate (2), and the bottom end of the lower partition plate (34) is, both ends are equipped with closing plate (11) that suit with riser (31) about apron (1), two closing plate (11), bottom plate (3), two riser (31) enclose into rectangular shell, two be equipped with mounting bracket (4) between riser (31), install heat exchange runner (5) on mounting bracket (4), the top of mounting bracket (4) is equipped with baffle (6), the top and apron (1) butt of going up baffle (6), the bottom and mounting bracket (4) butt of going up baffle (6).

2. A wheeled heat recovery ventilator as set forth in claim 1 wherein: and the inner wall of the rectangular shell is provided with silencing cotton.

3. A wheeled heat recovery ventilator as set forth in claim 1 wherein: the centrifugal fan (33) is a backward tilting type outer rotor centrifugal fan.

4. A wheeled heat recovery ventilator as set forth in claim 1 wherein: the axis of the air inlet end on one vertical plate (31) is superposed with the axis of the air outlet end on the other vertical plate (31).

5. A wheeled heat recovery ventilator as set forth in claim 1 wherein: mounting bracket (4) are including upper bracket (41) that are located heat exchange runner (5) upside, lower carriage (42) that are located heat exchange runner (5) downside, the middle part at the top of upper bracket (41) is equipped with and is used for driving heat exchange runner (5) pivoted gear motor (7), the middle part of lower carriage (42) is equipped with bearing frame (8).

6. A wheeled heat recovery ventilator as set forth in claim 1 wherein: the heat exchange rotating wheel (5) is a honeycomb type porous rotating wheel, a plurality of honeycomb holes are formed in the heat exchange rotating wheel (5), and heat exchange wires are filled in the honeycomb holes.

7. A wheeled heat recovery ventilator according to claim 1 or 6 wherein: the bottom surface of the heat exchange rotating wheel (5) is sealed by silk grids, and the top surface is sealed by a cold catalyst primary filter screen.

8. A wheeled heat recovery ventilator as set forth in claim 1 wherein: the top of the middle plate (2) is provided with a middle partition plate (9), and the middle partition plate (9) surrounds the heat exchange rotating wheel (5) to form a semicircular air duct coaming.

9. A wheeled heat recovery ventilator as set forth in claim 1 wherein: the cover plate (1), the middle plate (2) and the bottom plate (3) are all formed by stamping and flanging metal plates.

10. A wheeled heat recovery ventilator as set forth in claim 1 wherein: and a junction box (35) is arranged on the outer wall of one of the vertical plates (31).