Novel bidirectional flow heat exchange fan

Abstract

The utility model discloses a novel two-way flow heat exchange fan, which relates to the technical field of heat exchange fans, and comprises a box body, one side surface of the box body is fixedly connected with an air supply pipe and an air return pipe, one side surface of the box body is fixedly connected with a fresh air pipe and an air exhaust pipe, and the inner surface of the air supply pipe is provided with a humidifying device. The surface of one side of the air supply pipe is fixedly connected with an air feeder, the surface of the interior of the fresh air pipe is provided with an air inlet device, the surface of one side of the exhaust pipe is fixedly connected with an exhaust fan, and the surface of the interior of the box body is fixedly connected with a heat exchanger. When fresh air penetrates through the narrow portion in the middle of the ventilation sleeve shell, the flow speed is increased, water drops flowing out of the water guide branch pipes flow along with high-speed air, airflow containing the water drops impacts on the flow guide partition plate, the water drops are broken and atomized, water mist enters a room along with the airflow, the humidity of internal air is guaranteed, and excessive dryness is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange fans, in particular to a novel bidirectional flow heat exchange fan. Background Art

[0002] The fresh air ventilator is designed and developed based on the principle that a "fresh air flow field" will be formed in the closed room by supplying air on one side and induced air on the other side. It relies on mechanical air supply and induced air to force the formation of a fresh air flow field in the system. It is a new type of environmentally friendly appliance that keeps the indoor air clean and fresh at all times. This independent indoor air replacement and purification circulation system can input natural fresh air while removing indoor polluted air. The fresh air input into the room is first filtered, sterilized, heated, oxygenated and other processes.

[0003] An existing new type of bidirectional flow heat exchange fan draws in fresh air through an inlet fan, with a small air intake volume and poor air intake effect, which in turn makes the use effect of the equipment poor and brings certain adverse effects to people's use process. In order to solve the shortcomings of the existing technology, we propose a new type of bidirectional flow heat exchange fan. Utility Model Content

[0004] The main purpose of the utility model is to provide a novel bidirectional flow heat exchange fan, which can effectively solve the problems in the background technology.

[0005] The utility model is implemented by the following technical scheme: a novel bidirectional flow heat exchange fan, comprising a box body, one side surface of the box body is fixedly connected with a supply air duct and a return air duct, one side surface of the box body is fixedly connected with a fresh air duct and an exhaust air duct, the inner surface of the supply air duct is provided with a humidifying device, one side surface of the supply air duct is fixedly connected with a supply air fan, the inner surface of the fresh air duct is provided with an air intake device, one side surface of the exhaust air duct is fixedly connected with an exhaust air fan, and the inner surface of the box body is fixedly connected with a heat exchanger.

[0006] Preferably, a filter assembly is fixedly connected to the inner surface of the box, the bottom lower surfaces of the air supply fan and the exhaust fan are fixedly connected to the inner surface of the box, and a heat absorbing shell is fixedly connected to the outer surface of the air supply fan.

[0007] Preferably, the humidifying device includes a ventilation shell, the outer surface of the ventilation shell is fixedly connected to the inner surface of the air supply pipe, the outer surface of the ventilation shell is fixedly connected with an annular connecting pipe, and the outer surface of the annular connecting pipe is fixedly connected with a water inlet pipe.

[0008] Preferably, the outer surface of the water inlet pipe passes through the air supply pipe and extends to the outside, the outer surface of the annular connecting pipe is fixedly connected with a water branch pipe, and the outer surface of the water branch pipe passes through the ventilation casing and extends to the inner cavity.

[0009] Preferably, the water guide branch pipes are linearly arranged along the outer surface of the annular connecting pipe, and the inner surface of the ventilation casing is fixedly connected with a guide baffle, and the guide baffle is annularly arranged along the inner surface of the ventilation casing.

[0010] Preferably, the air intake device includes a fixed vertical pole, the bottom lower surface of the fixed vertical pole is fixedly connected to the inner surface of the fresh air duct, the top upper surface of the fixed vertical pole is provided with a rotating rod by a rotating connection, the outer surface of the rotating rod is fixedly connected with a spoiler, and the outer surface of the fresh air duct is fixedly connected with an air intake pipe.

[0011] Beneficial Effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, by means of the humidifying device, the flow velocity of the fresh air increases when it passes through the narrow part in the middle of the ventilation casing, so that the water droplets flowing out of the water guide branch follow the high-speed gas flow, and the air flow containing the water droplets hits the guide baffle, so that the water droplets are broken and atomized, and the water mist follows the air flow into the room, thereby ensuring the humidity of the internal air and preventing excessive drying.

[0014] 2. In the utility model, by setting up the air intake device, under the action of the blower, the spoiler rotates, thereby increasing the air flow rate. According to the Bernoulli principle, the outside air enters through the air intake pipe, thereby increasing the air intake volume of the original single air intake pipe of the equipment, thereby increasing the air intake volume under the same energy consumption and improving the ventilation efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the structure of the humidification device of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the air intake device of the utility model.

[0019] In the figure: 1. box body; 2. air supply duct; 3. humidification device; 4. air supply fan; 5. fresh air duct; 6. air intake device; 7. exhaust duct; 8. exhaust fan; 9. return air duct; 10. filter assembly; 11. heat exchanger; 12. heat absorption shell; 13. ventilation shell; 14. annular connecting pipe; 15. water inlet pipe; 16. water guide branch pipe; 17. guide baffle; 18. fixed vertical pole; 19. rotating rod; 20. spoiler; 21. air intake pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-4 As shown, a novel bidirectional flow heat exchange fan comprises a box body 1, a supply air duct 2 and a return air duct 9 are fixedly connected to one side surface of the box body 1, a fresh air duct 5 and an exhaust air duct 7 are fixedly connected to one side surface of the box body 1, a humidifying device 3 is arranged on the inner surface of the supply air duct 2, a supply air fan 4 is fixedly connected to one side surface of the supply air duct 2, an air intake device 6 is arranged on the inner surface of the fresh air duct 5, an exhaust air fan 8 is fixedly connected to one side surface of the exhaust air duct 7, a heat exchanger 11 is fixedly connected to the inner surface of the box body 1, and the inner surface of the box body 1 A filter assembly 10 is fixedly connected, the bottom lower surfaces of the air supply fan 4 and the exhaust fan 8 are fixedly connected to the inner surface of the box body 1, and a heat absorption shell 12 is fixedly connected to the outer surface of the air supply fan 4. When the air supply fan 4 and the exhaust fan 8 are started, fresh air from the outside enters the interior of the equipment box body 1 from the fresh air duct 5, passes through the filter assembly 10 and the heat exchanger 11, and is sent into the room through the air supply duct 2. The indoor air enters the interior of the equipment box body 1 from the return air duct 9, passes through the filter assembly 10 and the heat exchanger 11, and is discharged to the outside through the exhaust duct 7, thereby realizing ventilation.

[0022] The humidifying device 3 includes a ventilation shell 13, the outer surface of the ventilation shell 13 is fixedly connected to the inner surface of the air supply pipe 2, the outer surface of the ventilation shell 13 is fixedly connected to a ring-shaped connecting pipe 14, the outer surface of the ring-shaped connecting pipe 14 is fixedly connected to a water inlet pipe 15, the outer surface of the water inlet pipe 15 penetrates the air supply pipe 2 and extends to the outside, the outer surface of the ring-shaped connecting pipe 14 is fixedly connected to a water branch pipe 16, the outer surface of the water branch pipe 16 penetrates the ventilation shell 13 and extends to the inner cavity, the water branch pipe 16 is linearly arranged along the outer surface of the ring-shaped connecting pipe 14, the inner surface of the ventilation shell 13 is fixedly connected to a guide baffle 17, the guide baffle 17 is arranged in a ring along the inner surface of the ventilation shell 13, and the fresh air After entering the air supply duct 2, since the ventilation shell 13 is a structure that is wide at both ends and narrow in the middle, the flow rate of the fresh air increases when passing through the narrow part in the middle of the ventilation shell 13, and water is injected from the water inlet pipe 15. After the water fills the annular connecting pipe 14, it flows out from the water guide branch pipe 16, and the water droplets follow the high-speed gas flow. The airflow containing the water droplets hits the guide baffle 17, so that the water droplets are broken and atomized. The water mist follows the airflow into the room, adding humidity to the room. The heat generated by the air supply fan 4 during operation can be absorbed by the heat-absorbing shell 12. When the airflow passes through the heat-absorbing shell 12, the heat flows out with the airflow and is transmitted to the room. No additional heating mechanism is needed to increase the internal room temperature, which reduces energy consumption, improves resource utilization, and plays a role in energy saving.

[0023] The air intake device 6 includes a fixed vertical rod 18, the bottom lower surface of the fixed vertical rod 18 is fixedly connected to the inner surface of the fresh air duct 5, and the top upper surface of the fixed vertical rod 18 is provided with a rotating rod 19 by a rotating connection. The outer surface of the rotating rod 19 is fixedly connected with a spoiler 20, and the outer surface of the fresh air duct 5 is fixedly connected with an air intake pipe 21. When the external fresh air enters the fresh air duct 5, under the action of the blower 4, the flowing air acts on the spoiler 20, so that the spoiler 20 drives the rotating rod 19 to rotate. The overall rotation of the spoiler 20 and the rotating rod 19 increases the air flow rate in the fresh air duct 5. At the same time, according to Bernoulli's principle, the pressure is small where the flow rate is large. Therefore, the external air can enter the fresh air duct 5 through the air intake pipe 21 and enter the equipment box 1, thereby increasing the air intake volume for the fresh air duct 5.

[0024] Working principle and process of this utility model:

[0025] When in use, start the air supply fan 4 and the exhaust fan 8, and the outside fresh air enters the interior of the equipment box 1 from the fresh air duct 5, passes through the filter component 10 and the heat exchanger 11, and is sent into the room through the air supply duct 2. The indoor air enters the interior of the equipment box 1 from the return air duct 9, passes through the filter component 10 and the heat exchanger 11, and is discharged to the outside through the exhaust duct 7 to achieve ventilation. When the outside fresh air enters from the fresh air duct 5, under the action of the air supply fan 4, the flowing air acts on the spoiler 20, so that the spoiler 20 drives the rotating rod 19 to rotate. The integral rotation of the spoiler 20 and the rotating rod 19 increases the air flow rate in the fresh air duct 5. At the same time, according to Bernoulli's principle, the pressure is small where the flow rate is large, so the outside air can enter the fresh air duct 5 through the air inlet pipe 21 and enter the equipment box 1 , which increases the air intake volume for the fresh air duct 5. If the room is relatively dry, when the fresh air enters the air supply duct 2, since the ventilation shell 13 is a structure that is wide at both ends and narrow in the middle, the flow velocity of the fresh air increases when it passes through the narrow part in the middle of the ventilation shell 13, and water is injected from the water inlet pipe 15. After the water flow fills the annular connecting pipe 14, it flows out from the water guide branch pipe 16, and the water droplets follow the high-speed gas flow. The airflow containing the water droplets hits the guide baffle 17, so that the water droplets are broken and atomized. The water mist follows the airflow into the room, increasing the humidity in the room. The heat generated by the blower 4 during operation can be absorbed by the heat-absorbing shell 12. When the airflow passes through the heat-absorbing shell 12, the heat flows out with the airflow and is transmitted to the room. No additional heating mechanism is needed to increase the internal room temperature, which reduces energy consumption, improves resource utilization, and plays a role in energy saving.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel bidirectional heat exchange fan, comprising a housing (1), characterized in that: An air supply duct (2) and an air return duct (9) are fixedly connected to one side surface of the box body (1), a fresh air duct (5) and an exhaust air duct (7) are fixedly connected to one side surface of the box body (1), a humidifying device (3) is provided on the inner surface of the air supply duct (2), an air supply fan (4) is fixedly connected to one side surface of the air supply duct (2), an air intake device (6) is provided on the inner surface of the fresh air duct (5), an exhaust fan (8) is fixedly connected to one side surface of the exhaust air duct (7), and a heat exchanger (11) is fixedly connected to the inner surface of the box body (1).

2. A novel bidirectional heat exchange fan according to claim 1, characterized in that: A filter assembly (10) is fixedly connected to the inner surface of the housing (1), the bottom lower surfaces of the blower (4) and the exhaust fan (8) are fixedly connected to the inner surface of the housing (1), and a heat absorbing casing (12) is fixedly connected to the outer surface of the blower (4).

3. A novel bidirectional heat exchange fan according to claim 1, characterized in that: The humidifying device (3) comprises a ventilation casing (13), the outer surface of the ventilation casing (13) being fixedly connected to the inner surface of the air supply pipe (2), the outer surface of the ventilation casing (13) being fixedly connected to an annular connecting pipe (14), and the outer surface of the annular connecting pipe (14) being fixedly connected to a water inlet pipe (15).

4. A novel bidirectional heat exchange fan according to claim 3, characterized in that: The outer surface of the water inlet pipe (15) penetrates the air supply pipe (2) and extends to the outside, and the outer surface of the annular connecting pipe (14) is fixedly connected to a water branch pipe (16), and the outer surface of the water branch pipe (16) penetrates the ventilation casing (13) and extends to the inner cavity.

5. A novel bidirectional heat exchange fan according to claim 4, characterized in that: The water guide branch pipes (16) are linearly arranged along the outer surface of the annular connecting pipe (14); the inner surface of the ventilation casing (13) is fixedly connected with a guide baffle (17); and the guide baffle (17) is annularly arranged along the inner surface of the ventilation casing (13).

6. A novel bidirectional heat exchange fan according to claim 1, characterized in that: The air intake device (6) comprises a fixed vertical rod (18), the bottom lower surface of the fixed vertical rod (18) is fixedly connected to the inner surface of the fresh air duct (5), the top upper surface of the fixed vertical rod (18) is provided with a rotating rod (19) by means of a rotating connection, the outer surface of the rotating rod (19) is fixedly connected to a spoiler (20), and the outer surface of the fresh air duct (5) is fixedly connected to an air intake duct (21).

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