CN214307456U

CN214307456U - Heating ventilation device

Info

Publication number: CN214307456U
Application number: CN202023031566.0U
Authority: CN
Inventors: 刘敬彬
Original assignee: Shanghai Zhihan Environmental Protection Technology Development Co ltd
Current assignee: Shanghai Zhihan Environmental Protection Technology Development Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-28
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a heating ventilation device, which comprises a shell, wherein an exhaust pipe is fixedly connected in the middle of the interior of the shell, the exhaust pipe is of a structure with an upper end opening and a lower end sealing, the upper end of the exhaust pipe passes through the upper end of the shell, one side of the lower end of the exhaust pipe is provided with an indoor gas outlet, the indoor gas outlet passes through one side of the shell, the shell is of a structure with an upper end sealing and a lower end opening, the lower end of the shell is arranged as an outdoor gas inlet, both sides of the upper end of the shell are provided with outdoor gas outlets, an airflow heat exchange cavity is formed between the shell and the exhaust pipe, an airflow heat exchange cavity is arranged between the shell and the exhaust pipe, the interior of the airflow heat exchange cavity is a passage for external gas to enter the interior, and external cold air can exchange heat in the airflow heat exchange cavity to increase the temperature of the gas entering the interior from the outside, the helical blade can make the gas inside the gas flow heat exchange cavity move spirally, so that the heat exchange effect is better.

Description

Heating ventilation device

Technical Field

The utility model relates to a ventilation technical field specifically is a heating ventilation device.

Background

Ventilation is a technique that uses natural or mechanical methods to allow the air to pass through, unimpeded, and into a room or sealed environment to create a sanitary, safe, etc. environment suitable for the air. The normal ventilation can improve the indoor air quality, and is beneficial to health, the northern indoor needs to be heated in winter, the closed indoor needs to be ventilated in the heating period, and a heating ventilation device is needed in the ventilation process;

among the prior art, current heating ventilation breather is not convenient for take a breath when using, and makes the outside cold air get into easily when taking a breath, influences cold-proof effect, and a heating ventilation breather that now urgently needs solves the problem that the aforesaid appears.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heating ventilation device to make external cold air get into easily when taking a breath among the solution prior art, influence the problem of cold-proof effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heating ventilation air interchanger, includes the shell, the rigid coupling has the blast pipe in the middle of the inside of shell, the blast pipe is the structure that upper end opening lower extreme sealed, the upper end of blast pipe passes the upper end of shell, and lower extreme one side of blast pipe is equipped with the indoor gas discharge port, the indoor gas discharge port passes one side of shell, the shell seals for the upper end, lower extreme opening structure, the lower extreme of shell sets up to outdoor gas inlet, and the upper end both sides of shell all are equipped with outdoor gas discharge port, form the air current heat transfer chamber between shell and the blast pipe.

Preferably, an indoor gas inlet is installed at the upper end of the exhaust pipe, and an exhaust fan is installed inside the indoor gas inlet.

Preferably, an air inlet fan is arranged inside the outdoor air inlet, and a pointed cone is fixedly connected to the lower end of the exhaust pipe.

Preferably, the outer surface of the shell is provided with a heat insulation plate.

Preferably, the circumference of the exhaust pipe is uniformly provided with heat conducting grooves.

Preferably, helical blades are arranged in the air flow heat exchange cavity in the circumferential direction of the exhaust pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the air flow heat exchange cavity is arranged between the shell and the exhaust pipe, the inside of the air flow heat exchange cavity is a channel for external air to enter the room, and external cold air can exchange heat in the air flow heat exchange cavity, so that the temperature of the air entering the room from the outside is increased;

2. the utility model discloses set up helical blade, helical blade can make the gaseous helical motion of air current heat transfer intracavity portion, and the gaseous contact time with the blast pipe of extension air current heat transfer intracavity portion, and then makes the heat transfer effect better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic end view of the exhaust pipe of the present invention.

In the figure: 1. an outdoor gas inlet; 2. a fan inlet; 3. a housing; 4. a thermal insulation board; 5. an indoor gas discharge port; 6. an exhaust pipe; 61. a heat conducting groove; 7. a helical blade; 8. an outdoor gas discharge port; 9. an indoor gas inlet; 10. an exhaust fan; 11. a tapered section; 12. and the airflow heat exchange cavity.

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 work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a heating ventilation device includes a housing 3, an exhaust pipe 6 is fixedly connected to the middle inside the housing 3, the exhaust pipe 6 has a structure with an open upper end and a sealed lower end, the upper end of the exhaust pipe 6 passes through the upper end of the housing 3, an indoor gas outlet 5 is disposed on one side of the lower end of the exhaust pipe 6, the indoor gas outlet 5 passes through one side of the housing 3, and indoor gas can enter the interior of the exhaust pipe 6 through the upper end of the exhaust pipe 6 and be exhausted from the indoor gas outlet 5;

continuing to refer to fig. 1, an indoor air inlet 9 is installed at the upper end of the exhaust pipe 6, an exhaust fan 10 is installed inside the indoor air inlet 9, and the exhaust fan 10 sucks indoor hot air into the indoor air inlet 9 and then enters the exhaust pipe 6;

continuing to refer to fig. 1, the casing 3 is of a structure with a sealed upper end and an open lower end, the lower end of the casing 3 is provided with an outdoor gas inlet 1, both sides of the upper end of the casing 3 are provided with outdoor gas outlets 8, an airflow heat exchange cavity 12 is formed between the casing 3 and the exhaust pipe 6, outdoor gas can enter the airflow heat exchange cavity 12 through the outdoor gas inlet 1 and move inside the airflow heat exchange cavity 12, outside air is cold, and cold air can exchange heat with hot air inside the exhaust pipe 6 inside, so that the outside gas is heated inside the airflow heat exchange cavity 12;

continuing to refer to fig. 1, an air inlet fan 2 is arranged inside the outdoor air inlet 1, a pointed cone 11 is fixedly connected to the lower end of the exhaust pipe 6, the air inlet fan 2 can suck outside air into the outdoor air inlet 1, and the pointed cone 11 can facilitate air to enter the airflow heat exchange cavity 12;

with reference to fig. 1, the outer surface of the shell 3 is provided with an insulation board 4, and the insulation board 4 plays a role in insulation to avoid heat loss;

as shown in fig. 1 and fig. 2, heat conduction grooves 61 are uniformly formed on the outer circumference of the exhaust pipe 6, and the heat conduction grooves 61 can increase the contact area between the airflow heat exchange cavity 12 and the exhaust pipe 6, so that the heat exchange effect is better;

as shown in fig. 1, helical blades 7 are arranged in the circumferential direction of the exhaust pipe 6 inside the airflow heat exchange cavity 12, and the helical blades 7 can enable gas inside the airflow heat exchange cavity 12 to move spirally, so that the contact time between the gas inside the airflow heat exchange cavity 12 and the exhaust pipe 6 is prolonged, and the heat exchange effect is good.

The utility model discloses a theory of operation and use flow: when the device is used for ventilation, indoor hot air is sucked into the indoor gas inlet 9 by the exhaust fan 10 and then enters the exhaust pipe 6 and is exhausted from the indoor gas exhaust port 5, external air can be sucked into the outdoor gas inlet 1 by the air inlet fan 2, the air can conveniently enter the airflow heat exchange cavity 12 by the pointed conical part 11 and moves upwards in the airflow heat exchange cavity 12, the external air is cold, cold air can exchange heat with the hot air in the exhaust pipe 6 so that the external air is heated in the airflow heat exchange cavity 12, and the heated air can be exhausted through the outdoor gas exhaust port 8;

the helical blade 7 can enable gas inside the gas flow heat exchange cavity 12 to move spirally, contact time of gas inside the gas flow heat exchange cavity 12 and the exhaust pipe 6 is prolonged, and then heat exchange effect is good.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heating ventilation air interchanger comprises a shell (3), and is characterized in that: the utility model discloses a gas heat exchanger, including shell (3), blast pipe (6) are fixed in the middle of the inside of shell (3), blast pipe (6) are the structure that upper end opening lower extreme sealed, the upper end of shell (3) is passed to the upper end of blast pipe (6), and is equipped with indoor gas discharge port (5) on one side of the lower extreme of blast pipe (6), one side of shell (3) is passed in indoor gas discharge port (5), shell (3) are sealed for the upper end, lower extreme opening structure, the lower extreme of shell (3) sets up to outdoor gas inlet (1), and the upper end both sides of shell (3) all are equipped with outdoor gas discharge port (8), form air current heat transfer chamber (12) between shell (3) and blast pipe (6).

2. The heating ventilation air exchange device according to claim 1, wherein: indoor gas inlet (9) are installed to the upper end of blast pipe (6), and the internally mounted of indoor gas inlet (9) has exhaust fan (10).

3. The heating ventilation air exchange device according to claim 1, wherein: an air inlet fan (2) is arranged inside the outdoor gas inlet (1), and a pointed cone part (11) is fixedly connected to the lower end of the exhaust pipe (6).

4. The heating ventilation air exchange device according to claim 1, wherein: and the outer surface of the shell (3) is provided with a heat insulation plate (4).

5. The heating ventilation air exchange device according to claim 1, wherein: and heat conducting grooves (61) are uniformly formed in the periphery of the exhaust pipe (6).

6. The heating ventilation air exchange device according to claim 1, wherein: helical blades (7) are arranged in the air flow heat exchange cavity (12) in the circumferential direction of the exhaust pipe (6).