CN219454242U

CN219454242U - Energy-saving heating ventilation device

Info

Publication number: CN219454242U
Application number: CN202320202788.9U
Authority: CN
Inventors: 李昌隆; 黄延谱; 张光辉; 张强; 王卫星
Original assignee: Shandong Shinva Medical Environmental Protection Equipment Co ltd
Current assignee: Shandong Shinva Medical Environmental Protection Equipment Co ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-01
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of building ventilation devices, in particular to an energy-saving heating ventilation device which is arranged in a ventilation hole connected with the indoor and the outdoor on a heating building wall body, and comprises: an outer cylinder; the inner cylinder is arranged in the outer cylinder, the outer wall of the inner cylinder is provided with a first helical blade, and a first channel for connecting the inner side and the outer side of the chamber is formed between the first helical blade and the inner wall of the outer cylinder; the central shaft is arranged in the inner cylinder, the outer wall of the central shaft is provided with a second helical blade, and a second channel for connecting the inner side and the outer side of the chamber is formed between the second helical blade and the inner wall of the inner cylinder; and the ventilation cover is arranged at the indoor ventilation hole position, and is provided with a first fan and a second fan which are respectively communicated with the first channel and the second channel. The utility model can preheat the cold air pumped from the outside to the outside by utilizing the heat in the hot air exhausted from the inside to the outside, reduces the energy waste, and solves the problem of energy waste caused by the fact that the heat in the extracted indoor hot air is not utilized when the traditional energy-saving heating ventilation device is used.

Description

Energy-saving heating ventilation device

Technical Field

The utility model relates to the technical field of building ventilation devices, in particular to an energy-saving heating ventilation device.

Background

The heating installation is mainly used in cold northern areas in winter to promote the ambient temperature in the building, when using the heating installation, people can select to open partial door and window generally, so as to guarantee the circulation of indoor air, but also can cause external low temperature air to enter into the room through door and window like this, and the difference in temperature between indoor and outdoor can lead to the waste of energy, can influence indoor heating effect to a great extent simultaneously.

In order to ensure the heating effect in the building and simultaneously keep the freshness of indoor air, the patent with the prior publication number of CN209371438U provides a heating ventilation device in the heating building, the heating ventilation device in the heating building is provided with an air heating and air filtering structure at a ventilation port formed by an air outlet and an air inlet, and the indoor air can be heated into hot air from the outside when being ventilated and ventilated, so that the circulation of indoor and outdoor air can be effectively realized, the freshness of the indoor air can be kept, the influence of the temperature of outdoor air on the temperature of the indoor air can be reduced, and the heating effect in the building can be ensured.

However, when using the heating and ventilating device in the heating building, it is found that part of the extracted indoor hot air directly flows to the outside through the ventilating opening, and the heat in the part of the air is not utilized, so that the energy saving effect thereof has yet to be improved.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the energy-saving heating ventilation device, which can preheat cold air pumped from the outside to the inside by utilizing heat in hot air exhausted from the inside to the outside, reduce energy waste and solve the problem of energy waste caused by the fact that the heat in the extracted indoor hot air is not utilized when the heating ventilation device in the existing heating building is used.

(II) technical scheme

In order to achieve the purpose of preheating cold air pumped from the outside into the room by utilizing the heat in the hot air exhausted from the room to the outside and reducing the energy waste, the utility model provides the following technical scheme: an energy-saving heating ventilation device which is arranged in a ventilation hole connected with the indoor and the outdoor on a heat supply building wall body and comprises:

an outer cylinder;

the inner cylinder is arranged in the outer cylinder, the outer wall of the inner cylinder is provided with a first helical blade, and a first channel for connecting the inside and the outside of the chamber is formed between the first helical blade and the inner wall of the outer cylinder;

the central shaft is arranged in the inner cylinder, a second helical blade is arranged on the outer wall of the central shaft, and a second channel for connecting the inner side and the outer side of the chamber is formed between the second helical blade and the inner wall of the inner cylinder;

and the ventilation cover is arranged at the indoor ventilation hole position and is provided with a first fan and a second fan which are respectively communicated with the first channel and the second channel.

Optionally, the inner wall of the outer cylinder is provided with a first thread groove matched with the outer edge of the first helical blade, and the inner wall of the inner cylinder is provided with a second thread groove matched with the outer edge of the helical blade.

Optionally, the inner tube is towards outdoor one end sealing connection has the end cap, install the extension pipe on the end cap, the extension pipe first end with the end cap intercommunication, the extension pipe second end towards with the direction perpendicular of inner tube axle center extends.

Optionally, a mounting cylinder is arranged at a position corresponding to the first fan on the inner side of the ventilation cover, a first end of the mounting cylinder is connected with the ventilation cover and sleeved on the first fan, a second end of the mounting cylinder protrudes inwards to form a baffle ring, and a filter screen is arranged at the baffle ring.

Optionally, a wind scooper is arranged on one side of the ventilation hood far away from the indoor wall surface, and a first wind guide opening and a second wind guide opening with opposite directions are respectively arranged on the wind scooper corresponding to the first fan and the second fan.

Optionally, the air guide cover is detachably connected with the air exchange cover through bolts.

(III) beneficial effects

Compared with the prior art, the utility model provides an energy-saving heating ventilation device, which has the following beneficial effects:

1. according to the utility model, the spiral channel I and the spiral channel II for indoor air intake and indoor air exhaust are arranged, so that hot air (i.e. indoor waste gas) can be subjected to preheating treatment on cold air (i.e. outdoor fresh air) flowing through the channel I when flowing through the channel II, and heat in the hot air exhausted indoors to outdoors can be fully absorbed and utilized by cold air pumped outdoors into indoors as much as possible, thereby achieving the purpose of energy-saving heating;

2. according to the utility model, the end cap and the extension pipe are arranged, and the extension pipe can be used for extending the outdoor end of the second channel towards the direction far away from the outdoor end of the first channel, so that the positions of the outdoor end of the first channel and the outdoor end of the second channel are staggered, and the direct air exchange between the air inlet end of the first channel and the air outlet end of the second channel is reduced;

3. according to the utility model, the filter screen is arranged in the ventilation hood, so that when external air enters the room from the ventilation hood, the external air needs to pass through the filter screen, and impurities in the air can be adsorbed by the filter screen, so that the quality of the air entering the room is improved.

Drawings

FIG. 1 is a schematic view of a mounting structure of the present utility model;

FIG. 2 is an isometric view of the utility model;

FIG. 3 is another isometric view of the utility model;

FIG. 4 is an isometric view of the utility model in a disassembled state;

FIG. 5 is a schematic view of another isometric view of the present utility model in a disassembled state;

fig. 6 is a schematic structural diagram of a wind scooper according to the present utility model.

In the figure: 1. a heat supply building wall; 100. a vent hole; 2. an outer cylinder; 20. a first thread groove; 3. an inner cylinder; 30. a thread groove II; 4. a first helical blade; 5. a first channel; 6. a central shaft; 7. a spiral blade II; 8. a second channel; 9. an air exchanging cover; 10. a first fan; 11. a second fan; 12. an end cap; 13. an extension tube; 14. a mounting cylinder; 15. a filter screen; 16. a wind scooper; 160. an air guide opening I; 161. a second air guide port; 17. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 to 6, an embodiment of the present utility model provides a technical solution: an energy-saving heating ventilation device installed in a ventilation hole 100 connecting indoor and outdoor on a heating building wall 1, comprising: an outer cylinder 2; the inner cylinder 3 is arranged in the outer cylinder 2, the outer wall of the inner cylinder 3 is provided with a first helical blade 4, and a first channel 5 for connecting the inside and the outside of the chamber is formed between the first helical blade 4 and the inner wall of the outer cylinder 2; the central shaft 6 is arranged in the inner cylinder 3, the outer wall of the central shaft 6 is provided with a second spiral blade 7, and a second channel 8 for connecting the inside and the outside of the chamber is formed between the second spiral blade 7 and the inner wall of the inner cylinder 3; a ventilation cover 9, which is arranged at the position of the indoor ventilation hole 100, and the ventilation cover 9 is provided with a first fan 10 and a second fan 11 which are respectively communicated with the first channel 5 and the second channel 8;

when the energy-saving heating and ventilating device with the structure is used, the first fan 10 can be used as an air inlet fan for pumping outdoor air into a room, the second fan 11 can be used as an exhaust fan for exhausting indoor air to the outside, and when the first fan 10 acts, the outdoor air spirally advances along the first channel 5 to the indoor direction, enters the ventilation cover 9 communicated with the first channel 5 and finally enters the room; when the second fan 11 acts, indoor air spirally advances to the outdoor direction along the second channel 8 and finally discharged to the outdoor, hot air (namely indoor waste gas) in the second channel 8 and cold air (namely outdoor fresh air) in the first channel 5 can finish heat exchange through the wall of the inner cylinder 3 in the flowing process, and as the first channel 5 and the second channel 8 adopt spiral structures, the heat exchange time between the cold air and the hot air can be effectively prolonged, so that heat in the hot air discharged to the outdoor from the indoor can be fully absorbed and utilized as much as possible by the cold air pumped into the indoor from the outdoor, and the energy-saving heating effect is achieved.

In this embodiment, the inner wall of the outer cylinder 2 is provided with a first thread groove 20 adapted to the outer edge of the first helical blade 4, the inner wall of the inner cylinder 3 is provided with a second thread groove 30 adapted to the outer edge of the second helical blade 7, when the inner cylinder 3 is inserted into the outer cylinder 2, the outer edge of the first helical blade 4 of the outer wall of the inner cylinder 3 is embedded into the first thread groove 20, so that the first helical blade 4 can be in sealing connection with the inner wall of the outer cylinder 2, air entering the first channel 5 can only advance helically along the first channel 5, and when the central shaft 6 is inserted into the inner cylinder 3, the outer edge of the second helical blade 7 of the outer wall of the central shaft 6 is embedded into the second thread groove 30, so that the second helical blade 7 can be in sealing connection with the inner wall of the inner cylinder 3, and air entering the second channel 8 can only advance helically along the second channel 8.

In this embodiment, the end of the inner cylinder 3 facing the outside is connected with the end cap 12 in a sealing manner, the end cap 12 is provided with the extension pipe 13, the first end of the extension pipe 13 is communicated with the end cap 12, the second end of the extension pipe 13 extends in a direction perpendicular to the axis of the inner cylinder 3, and the extension pipe 13 can extend the outdoor end of the second channel 8 in a direction away from the outdoor end of the first channel 5, so that the positions of the outdoor end of the first channel 5 and the outdoor end of the second channel 8 are staggered, and direct air exchange between the air inlet end of the first channel 5 and the air outlet end of the second channel 8 is reduced.

In this embodiment, a mounting cylinder 14 is disposed at a position corresponding to the fan one 10 inside the ventilation hood 9, a first end of the mounting cylinder 14 is connected with the ventilation hood 9 and is sleeved on the fan one 10, a second end of the mounting cylinder 14 protrudes inwards to form a baffle ring, a filter screen 15 is mounted at the baffle ring, when outside air enters the room from the ventilation hood 9, the outside air needs to pass through the filter screen 15, the filter screen 15 can adsorb impurities in the air, and the quality of the air entering the room is improved.

In this embodiment, a wind scooper 16 is disposed on one side of the ventilation hood 9 away from the indoor wall, and a wind guiding opening 160 and a wind guiding opening 161 facing opposite directions are disposed on the wind scooper 16 corresponding to the first fan 10 and the second fan 11, so that the air inlet direction of the air inlet end of the second channel 8 is opposite to the air outlet direction of the air outlet end of the first channel 5 through the wind guiding opening 160 and the wind guiding opening 161 on the wind scooper 16, so that direct air exchange between the air outlet end of the first channel 5 and the air inlet end of the second channel 8 is reduced, and further, the exchange efficiency of indoor air is improved.

In this embodiment, the air guiding cover 16 is detachably connected with the ventilation cover 9 through the bolts 17, when the first fan 10 and the second fan 11 are damaged, the air guiding cover 16 can be detached for timely maintenance and replacement, and in other possible embodiments, the air guiding cover 16 can also be detachably connected with the ventilation cover 9 in a clamping manner.

Working principle: the energy-saving heating ventilation device can be used by being arranged in the ventilation hole 100 on the heating building wall body 1, when the energy-saving heating ventilation device is used, the first fan 10 and the second fan 11 are connected with a power supply and started, after the first fan 10 is started, outdoor air spirally advances to the indoor direction along the channel I5 formed by the inner cylinder 3, the spiral blade I4 and the outer cylinder 2, enters the ventilation cover 9 communicated with the channel I5, and finally enters the room; after the second fan 11 is started, indoor air spirally advances to the outdoor direction along a second channel 8 formed by the central shaft 6, the second spiral blade 7 and the inner cylinder 3 and finally is discharged to the outside, so that the circulating flow of indoor and outdoor air is formed, and hot air (namely indoor waste gas) in the second channel 8 can preheat cold air (namely outdoor fresh air) in the first channel 5 through the wall of the inner cylinder 3 in the circulating flow process, so that heat in the hot air discharged to the outside from the indoor can be fully absorbed and utilized by cold air pumped into the indoor from the outdoor as far as possible, and the purpose of energy saving and heating is further achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An energy-saving heating ventilation device installed in a ventilation hole (100) connected with indoor and outdoor on a heating building wall (1), characterized by comprising:

an outer cylinder (2);

an inner cylinder (3) which is arranged in the outer cylinder (2), wherein a first helical blade (4) is arranged on the outer wall of the inner cylinder (3), and a first channel (5) for connecting the inner side and the outer side of the chamber is formed between the first helical blade (4) and the inner wall of the outer cylinder (2);

the central shaft (6) is arranged in the inner cylinder (3), a spiral blade II (7) is arranged on the outer wall of the central shaft (6), and a channel II (8) for connecting the inside and the outside of the chamber is formed between the spiral blade II (7) and the inner wall of the inner cylinder (3);

and the ventilation cover (9) is arranged at the position of the indoor ventilation hole (100), and the ventilation cover (9) is provided with a first fan (10) and a second fan (11) which are respectively communicated with the first channel (5) and the second channel (8).

2. An energy-saving heating and ventilating device according to claim 1, characterized in that: the inner wall of the outer cylinder (2) is provided with a first thread groove (20) which is matched with the outer edge of the first helical blade (4), and the inner wall of the inner cylinder (3) is provided with a second thread groove (30) which is matched with the outer edge of the second helical blade (7).

3. An energy-saving heating and ventilating device according to claim 1, characterized in that: the inner cylinder (3) is connected with an end cap (12) towards one outdoor end in a sealing way, an extension pipe (13) is installed on the end cap (12), a first end of the extension pipe (13) is communicated with the end cap (12), and a second end of the extension pipe (13) extends towards the direction perpendicular to the axis of the inner cylinder (3).

4. An energy-saving heating and ventilating device according to claim 1, characterized in that: the fan is characterized in that an installation cylinder (14) is arranged at the inner side of the ventilation cover (9) and corresponds to the first fan (10), a first end of the installation cylinder (14) is connected with the ventilation cover (9) and sleeved on the first fan (10), a baffle ring protrudes inwards from a second end of the installation cylinder (14), and a filter screen (15) is arranged at the baffle ring.

5. An energy-saving heating and ventilating device according to claim 1, characterized in that: one side of the ventilation cover (9) far away from the indoor wall surface is provided with a wind scooper (16), and positions on the wind scooper (16) corresponding to the first fan (10) and the second fan (11) are respectively provided with a first wind guide opening (160) and a second wind guide opening (161) which face opposite directions.

6. The energy-saving heating and ventilating device according to claim 5, wherein: the air guide cover (16) is detachably connected with the air exchange cover (9) through bolts (17).