CN202066153U - Bidirectional heat exchanging type ventilator - Google Patents

Abstract

The utility model is a two-way heat exchange ventilator, comprising a surface frame, a heat exchanger, a first fan device, a second fan device, a first damper device, a second damper device and a chassis, wherein the first damper device and The second damper device is respectively installed at the fresh air inlet and the old air outlet provided on the chassis, and the first fan device and the second fan device are respectively installed on the chassis and are located at the old air inlet and the new air outlet of the ventilator. It also includes the air duct system buckled on the chassis, the air duct system is a two-way channel structure, the heat exchanger is placed in the air duct system and installed on the chassis, the first fan device, the old air duct of the air duct system, the heat exchanger The exchanger and the second damper device jointly form the old air discharge passage, and the first damper device, the fresh air passage of the air duct system, the heat exchanger and the second fan device form the fresh air intake passage. The utility model solves the problem that the fresh air in summer makes the room hotter and the fresh air in winter makes the room colder in the commercially available ventilators.

Description

A two-way heat exchange ventilator

technical field

The utility model relates to a two-way heat exchange ventilator, which belongs to the improvement technology of the air duct structure of the ventilator.

Background technique

With the development of the economy and the continuous improvement of living standards, people have higher and higher requirements for the air quality of the living room, office space and other related places. At present, most of the commercially available ventilation The structure and function are different, and there will be one or another problem when using it. For example, in summer, the fresh air will bring in the outdoor hot air, which will make the indoor temperature rise faster, cannot cool down quickly or is not convenient to maintain a constant cooling temperature, and in winter The cold air brought in by the fresh air is also easy to reduce the indoor temperature or it is not easy to maintain a constant heating temperature. Therefore, people will turn off the fresh air system or open the fresh air volume to a small amount and enjoy coolness or warmth in a relatively closed environment. , because indoor harmful gases cannot be released and replaced, with the continuous accumulation of harmful gases, the concentration continues to increase, people will feel sleepy, weak, chest tightness, easy to get sick, and work efficiency is reduced, etc., which is named by the World Health Organization "Sick Building Syndrome", commonly known as "air-conditioning disease", the main cause of these diseases is insufficient indoor fresh air; at the same time, the design of the air duct system of some ventilator products on the market is not reasonable enough, resulting in the ventilation of the air duct system Low efficiency, insufficient fresh air exchange volume, etc., resulting in low or insufficient indoor fresh air volume. In addition, some ventilator products have a complex structure, large overall volume, difficult installation and maintenance, and inconvenient cleaning and replacement after problems occur. , the adoption rate is low.

Contents of the invention

The purpose of this utility model is to consider the above problems and provide a novel structure, small size, integrated air duct system and heat exchanger together to form a two-way heat exchange and ventilation, and convenient disassembly and replacement and maintenance and cleaning of the two-way heat exchange ventilator.

The technical scheme of the utility model is: a two-way heat exchange ventilator, including a surface frame, a heat exchanger, a first fan device, a second fan device, a first damper device, a second damper device and a chassis, wherein the first The first damper device and the second damper device are respectively installed at the fresh air inlet and the old air outlet provided on the chassis, and the first fan device and the second fan device are respectively installed on the chassis and located at the old air inlet and the fresh air outlet of the ventilator. At the position, the surface frame buckle cover device is on the chassis, and it is characterized in that it also includes an air duct system buckled on the chassis. The air duct system is a two-way channel structure. The heat exchanger is placed in the air duct system and installed on the chassis. The first fan device, the old air channel of the air duct system, the heat exchanger and the second air door device together form the old air discharge channel, and the first damper device, the fresh air channel of the air duct system, the heat exchanger and the second fan device form the fresh air inlet. gas channel.

The air duct system includes a first cavity, a second cavity, a third cavity and a fourth cavity, wherein the cavity of the third cavity matches the shape of the heat exchanger and has an opening at the top, and the heat exchanger passes through the third cavity. The top opening of the chamber is installed on the chassis, the air outlet of the first fan device is connected to the third chamber, the air inlet of the second fan device is connected to the second chamber, the first chamber is connected to the second damper device, and the fourth chamber is connected to the second chamber. The first damper device is connected, the third chamber and the first chamber form the old air passage of the air duct system, and the fourth chamber, the third chamber and the second chamber form the fresh air passage of the air duct system.

The fourth cavity is provided with a bar-shaped opening near the top of the third cavity, the first filter screen is inserted on the chassis through the bar-shaped opening, and the second filter screen is in the shape of a strip around the air inlet device of the first fan device On the top surface of the volute of the first fan unit.

One side of the face frame corresponds to the air inlet of the first fan device and is provided with an air inlet grille, the other side is provided with an outlet grille corresponding to the air outlet of the second fan device, and the face is provided with a grille corresponding to the top opening of the third chamber. Openings are provided to facilitate disassembly and assembly of the heat exchanger, and strip-shaped openings are provided corresponding to the strip-shaped openings on the air duct system to facilitate disassembly and assembly of the first filter screen.

The surface of the surface frame is provided with a process port corresponding to the installation position of the second filter, and a cover plate is arranged on the process port and is clamped on the surface frame.

The first air door device includes a first air door and a first stepping motor, the first stepping motor controls the opening and closing of the first air door, the second air door device includes a second air door and a second stepping motor, and the second stepping motor controls the opening and closing of the first air door. The second damper opens and closes.

The first fan device includes a first centrifugal fan and an external volute; the second fan device includes a second centrifugal fan and an external volute;

The air duct system is an integral structure, the entire bottom surface of which is open, and the top surface and side surfaces are basically sealed.

The heat exchanger is set in the heat exchanger bracket and installed on the chassis through the opening provided on the surface frame and the top opening of the third cavity.

A panel is installed on the surface frame.

The utility model adopts the combination of the two-way channel air duct system and the heat exchanger to form an interactive channel capable of both two-way ventilation and heat exchange, which completely solves the summer fresh air existing in the current commercially available ventilator products and makes the room more comfortable. It is not only small in size, high in ventilation efficiency and large in ventilation volume, but also novel in structure, easy to install, maintain, clean and replace, and can automatically defrost when the outdoor temperature is low, which is very suitable Home, office and other places to use.

Description of drawings

Fig. 1 is the exploded structure schematic diagram of the utility model;

Fig. 2 is the perspective view of the utility model air duct system;

Fig. 3 is a structural schematic diagram of the utility model after removing the panel, the surface frame and the air duct system;

Fig. 4 is the structural representation of the utility model after removing the panel and the face frame;

Fig. 5 is the structural representation of the utility model after removing the panel;

Fig. 6 is the perspective view of the utility model;

Fig. 7 is a working principle diagram of the utility model;

Fig. 8 is a perspective view of the heat exchanger of the present invention. the

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

As shown in Figure 1, the utility model bidirectional heat exchange ventilator includes a panel 1, a surface frame 2, an air duct system 3, a heat exchanger 4, a first fan device 7, a second fan device 12, a first damper Device 8, the second damper device 11 and chassis 9, wherein the first damper device 8 and the second damper device 11 are respectively installed in the fresh air inlet 91 and the old air outlet 92 places that chassis 9 is provided with, the first blower device 7 and the second The fan device 12 is respectively installed on the chassis 9 and is located at the old air inlet and the fresh air outlet of the ventilator. The air duct system 3 is buckled in the middle of the chassis 9. The air duct system 3 is a two-way channel structure. In the air duct system 3 and installed on the chassis 9, the first fan device 7, the old air channel of the air duct system 3, the heat exchanger 4 and the second air door device 11 jointly form the old air discharge channel, the first air door device 8 1, the fresh air passage of the air duct system 3, the heat exchanger 4 and the second blower device 12 form the fresh air intake passage, the face frame 2 button cover device is on the chassis 9, and the panel 1 is installed on the face frame 2.

As shown in Figures 2, 3, and 4, the air duct system 3 is an integral structure, its entire bottom surface is open, and the top surface and sides are basically sealed. The air duct system 3 includes a first cavity 31, a second cavity 32, a third cavity cavity 33 and a fourth cavity 34, wherein the cavity of the third cavity 33 matches the shape of the heat exchanger 4 and its top is provided with an opening, and the heat exchanger 4 is installed on the chassis 9 through the top opening of the third cavity 33, The air outlet of the first fan device 7 is connected with the third chamber 33, the air inlet of the second fan device 12 is connected with the second chamber 32, the first chamber 31 is connected with the second damper device 11, and the fourth chamber 34 is connected with the first chamber 34. The damper device 8 is connected, the third chamber 33 and the first chamber 31 form the old air passage of the air duct system 3 , and the fourth chamber 34 , the third chamber 33 and the second chamber 32 form the fresh air passage of the air duct system 3 . The fourth cavity 34 is provided with a strip opening 35 near the top position of the third cavity 33, the first filter screen 5 is inserted on the chassis 9 through the strip opening 35, and the second filter screen 6 is elongated around the first The air inlet device of a fan device 7 is on the top surface of the volute of the first fan device.

As shown in Figures 5 and 6, one side of the surface frame 2 is provided with an air intake grille 25 corresponding to the air inlet of the first fan device 7, and the other side is provided with an outlet grille 25 corresponding to the air outlet of the second fan device 12. Grille 24, the top opening of the face corresponding to the third cavity 33 is provided with an opening 21 to facilitate the disassembly of the heat exchanger 4, and corresponding to the strip opening 35 on the air duct system 3 is provided with a strip opening 23 so as to disassemble the first filter screen 5 , corresponding to the installation position of the second filter screen 6 is provided with a process port 22 for easy disassembly and cleaning of the second filter screen, for preventing dust, the process port 22 is provided with a cover plate snapped on the surface frame 2.

As shown in Figure 3, the first damper device 8 includes a first damper 81 and a first stepping motor 82, the first stepping motor 82 controls the opening and closing of the first damper 81, and the second damper device 11 includes a second damper 111 And the second stepper motor 112, the second stepper motor 112 controls the opening and closing of the second damper 111, the first stepper motor 82 and the second stepper motor 112 are installed on the chassis 9 respectively. The first fan device 7 includes a first centrifugal fan and an external volute; the second fan device 12 includes a second centrifugal fan and an external volute.

In order to fix the heat exchanger firmly, the heat exchanger 4 is set in the heat exchanger support 10 and installed on the chassis 9 through the opening 21 provided on the surface frame 2 and the top opening of the third chamber 33 .

As shown in FIG. 8 , the heat exchanger 4 is a parallelogram cylinder, and the top opening of the third chamber 3 of the air duct system and the opening 21 provided on the surface frame 2 are correspondingly configured as a parallelogram.

As shown in Figure 7, the operating principle of the utility model ventilator is as follows:

When sending fresh air indoors, the fresh air enters from the fresh air inlet 91 set by the chassis 9, passes through the first damper 81 and the first filter screen 5, then passes through the heat exchanger 4, and then is sucked by the second fan device 12, Exhausted from the outlet grille 24 of the surface frame 2. In the same way, when exhausting air to the outside, the old indoor air enters from the other side of the face frame from the air grille 25, passes through the second filter screen 6, and then is sucked by the second fan device 7 to discharge the old indoor air to In the heat exchanger 4, the indoor old air passes through the second air door after coming out of the heat exchanger 4, and is directly discharged from another air port 92 of the chassis 9. When the above two processes are carried out simultaneously, the two dampers are in an open state, and the outdoor fresh air and the indoor old air will exchange heat and humidity in the heat exchanger 4, so that the indoor temperature and humidity can be balanced as much as possible. When the ventilator stops working, two stepping motors drive the damper to close to prevent outdoor noise from entering the room and achieve the effect of sound insulation.

The ventilator of the utility model also has a defrosting function. When the outdoor temperature is low, the outdoor fresh air and the indoor old air are easy to form frost when the heat exchanger 4 performs heat exchange, so it needs to be defrosted, otherwise the heat exchange When defrosting, the first stepper motor is required to drive the first damper to block the air inlet of the chassis 9, the first fan unit works, the second fan unit 12 stops working, and the second stepper motor drives the second Damper is opened, and indoor hot blast just can defrost when passing through heat exchanger 4 like this.

The ventilator only needs to be opened and the second filter screen 5 and the filter screen 6 can be taken out from the surface frame 2 when the panel 1 is opened, which is convenient for cleaning, and the heat exchanger 4 can also be directly taken out from the surface frame.

Claims (10)

1. two-way exchange type ventilator, comprise face frame (2), heat exchanger (4), first blower fan apparatus (7), second blower fan apparatus (12), first throttle setting (8), second throttle setting (11) and chassis (9), wherein first throttle setting (8) and second throttle setting (11) are installed in respectively that set new wind inlet (91) is gone up on chassis (9) and old wind outlet (92) is located, first blower fan apparatus (7) and second blower fan apparatus (12) are installed in old wind inlet and the new wind exit that ventilator was gone up and was positioned on chassis (9) respectively, face frame (2) buckle closure device is on chassis (9), it is characterized in that also comprising the ducting system (3) of spiral-lock on chassis (9), ducting system (3) is the duplex channel structure, heat exchanger (4) places in the ducting system (3) and is installed on the chassis (9), first blower fan apparatus (7), the old wind passage of ducting system (3), heat exchanger (4) and second throttle setting (11) are formed old wind passing away jointly, first throttle setting (8), the new wind passage of ducting system (3), heat exchanger (4) and second blower fan apparatus (12) are formed new wind inlet channel.

2. two-way exchange type ventilator according to claim 1, it is characterized in that described ducting system (3) comprises first chamber (31), second chamber (32), the 3rd chamber (33) and the 4th chamber (34), wherein the profile of the cavity of the 3rd chamber (33) and heat exchanger (4) matches and its top is provided with opening, the open top that heat exchanger (4) passes the 3rd chamber (33) is installed on the chassis (9), the air outlet of first blower fan apparatus (7) docks with the 3rd chamber (33), the air inlet of second blower fan apparatus (12) docks with second chamber (32), first chamber (31) is connected with second throttle setting (11), the 4th chamber (34) is connected with first throttle setting (8), the old wind passage of ducting system (3), the 4th chamber (34) are formed in the 3rd chamber (33) and first chamber (31), the new wind passage of ducting system (3) is formed in the 3rd chamber (33) and second chamber (32).

3. two-way exchange type ventilator according to claim 2, it is characterized in that described the 4th chamber (34) offers strip gab (35) near the tip position in the 3rd chamber (33), first screen pack (5) passes strip gab (35) and is inserted on the chassis (9), and the elongated air inlet device of first blower fan apparatus (7) that centers on of second screen pack (6) is on the spiral case end face of first blower fan apparatus.

4. two-way exchange type ventilator according to claim 3, the air inlet that it is characterized in that corresponding first blower fan apparatus of a side (7) of described frame (2) is provided with air-inlet grille (25), the air outlet of corresponding second blower fan apparatus of opposite side (12) is provided with air outlet grate (24), the open top in facial corresponding the 3rd chamber (33) is provided with opening (21) with easy disassembly heat exchanger (4), and the strip gab (35) on the corresponding ducting system (3) is provided with strip gab (23) so that dismounting first screen pack (5).

5. two-way exchange type ventilator according to claim 4, the installation site that it is characterized in that facial corresponding second screen pack (6) of described frame (2) is provided with technology mouth (22), and technology mouth (22) is provided with cover plate and is installed on the face frame (2).

6. two-way exchange type ventilator according to claim 1, it is characterized in that described first throttle setting (8) comprises first air door (81) and first stepper motor (82), first stepper motor (82) control first air door (81) opens and closes, second throttle setting (11) comprises second air door (111) and second stepper motor (112), and second stepper motor (112) control second air door (111) opens and closes.

7. two-way exchange type ventilator according to claim 1 is characterized in that described first blower fan apparatus (7) comprises first centrifugal blower and external spiral case; Second blower fan apparatus (12) comprises second centrifugal blower and external spiral case.

8. two-way exchange type ventilator according to claim 1 is characterized in that described ducting system (3) is a monolithic construction, and its whole bottom surface is opened wide, and end face and side seal substantially.

9. two-way exchange type ventilator according to claim 4 is characterized in that described heat exchanger (4) is sleeved on heat exchanger support (10) lining and passes together that face frame (2) is gone up set opening (21) and the open top of the 3rd chamber (33) is installed on the chassis (9).

10. according to each described two-way exchange type ventilator of claim 1 to 9, it is characterized in that the last device of described frame (2) has panel (1).

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