CN209960577U - Centralized Fume Extraction System for Passive Houses - Google Patents

Abstract

The utility model discloses a centralized oil smoke discharging system suitable for passive houses, which comprises a roof air exhaust fan, a roof air supply fan, a public oil smoke discharging air duct and a public air supply air duct; the roof exhaust fan is communicated with a roof oil fume exhaust air duct which is communicated with a common oil fume exhaust air duct, a fresh air inlet is arranged on the air duct at one side of the roof air supply fan, and the air duct at the other side is communicated with a common air supply air duct; the sleeve type air duct is communicated with indoor oil smoke exhaust air ducts and indoor air supply air ducts in a plurality of floors, the common oil smoke exhaust air duct is communicated with a plurality of indoor oil smoke exhaust air ducts, and the common air supply air duct is communicated with a plurality of indoor air supply air ducts. The utility model puts the exhaust fan and the air feeder on the outdoor roof in a unified and centralized way, which greatly reduces the noise and vibration of the range hood; the sleeve type air duct has reasonable structural design, realizes the heat exchange between fresh air and exhaust air, can obviously reduce the fresh air load of the indoor air conditioner, and reduces the energy consumption waste additionally generated during cooking.

Description

Centralized Fume Extraction System for Passive Houses

technical field

The utility model relates to the technical field of passive residential kitchen ventilation, in particular to a centralized cooking fume exhaust system suitable for passive residential.

Background technique

At present, with the development of the green, low-energy and low-carbon building industry, passive residential buildings, as a low-energy, low-emission, high-comfort building form, have been actively promoted. While pursuing the comfort of the living environment, people also pay more attention to Energy efficiency of buildings. However, as a special functional area, the kitchen usually not only affects the indoor environment, but also increases the energy consumption of the building invisibly. This is because the conventional range hood exhausts a large amount of smoke during the cooking process, and the fumes are exhausted away. At the same time, the air in the kitchen and the room will also be sucked out in large quantities, which will easily lead to the formation of negative pressure in the room and affect the comfort. In addition, the high-power exhaust fan installed inside the range hood will inevitably generate noise and vibration while running, which directly affects the cooking environment of the kitchen and the indoor living environment.

Utility model content

In order to solve the above technical problems, the utility model discloses a centralized oil fume exhaust system suitable for passive houses.

To achieve the above object, the utility model adopts the following technical solutions:

A centralized oil fume extraction system suitable for passive houses, including a roof exhaust fan and a roof supply fan set on the roof of the passive house, a public oil fume exhaust duct connected to the roof fume exhaust duct, and a roof supply air duct A connected public air supply air duct, the public oil fume exhaust air duct and the public air supply air duct form a casing-type air duct; the air duct on one side of the roof exhaust fan is connected to the roof oil fume exhaust air duct, and the roof oil fume exhaust air duct Connected with the public oil fume exhaust duct, a fresh air inlet is set on the air duct on one side of the roof air supply fan, and the other side air duct is connected with the public air supply air duct, and the public oil fume exhaust duct is set in the public The inside of the air supply air duct; the casing air duct is connected with the indoor oil fume exhaust air duct and the indoor air supply air duct in multiple floors, and the public oil fume exhaust air duct is connected with the indoor oil fume exhaust air duct of multiple households The public air supply air duct is connected with the indoor air supply air ducts of multiple households. The duct and the indoor air supply air duct are equipped with check valve and electric proportional control valve; the indoor oil fume exhaust air duct is connected with the oil fume exhaust port, and the indoor air supply air duct is connected with the two fresh air supplements installed on the range hood. The vents are connected.

The technical solution of the utility model further includes that the roof exhaust fan is located directly above the roof air supply fan, and an exhaust air cap is also provided on the air duct directly above the roof exhaust fan.

The technical solution of the present invention further includes that the check valve is arranged above the electric proportional control valve.

The technical solution of the utility model further includes that the casing type air duct is located in the public air duct well of the passive house.

The technical scheme of the utility model further includes that the public oil fume exhaust duct is made of high thermal conductivity material.

The beneficial effect of the utility model is that the exhaust fan and the air supply fan are centrally placed on the outdoor roof, the noise and vibration of the range hood are greatly reduced, and the cooking environment of the kitchen is significantly improved; It can realize the heat exchange between fresh air and exhaust air. After the heat exchange enters the indoor kitchen, it can significantly reduce the fresh air load of the indoor air conditioner and reduce the extra energy consumption and waste generated during cooking. The air inside is expelled, preventing the negative pressure state of the room and ensuring the comfort of the passive house indoor environment.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic structural diagram of the casing type air duct in the utility model.

Among them, 1- oil fume outlet; 2- fresh air supply air outlet; 3- indoor oil fume exhaust duct; 4- indoor air supply air duct; 5- electric proportional control valve; 6- check valve; 7- public oil fume exhaust Air Duct; 8-Public Air Supply Duct; 9-Roof Exhaust Fume Duct; 10-Roof Supply Duct; 11-Roof Exhaust Fan; 12-Roof Supply Fan; 13-Exhaust Hood; 14-Fresh Air Air inlet; 15- range hood; 16- casing type air duct.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in Figure 1, a centralized oil fume exhaust system suitable for passive houses includes a roof exhaust fan 11 and a roof air supply fan 12 arranged on the top of the passive house roof, and a public oil fume exhaust duct 9 connected to the roof exhaust fume. The air duct 7, the public air supply air duct 8 communicated with the roof air supply air duct 10, the public oil fume exhaust air duct 7 and the public air supply air duct 8 form a sleeve-type air duct 16, and the public oil fume air duct 7 is up and down. The common air supply duct 8 is the shared air supply channel for upper and lower floors; the air duct on the side of the roof exhaust fan 11 is connected to the roof exhaust fume duct 9, and the roof exhaust fume duct 9 is connected to the public fume exhaust duct 9. The air duct 7 is connected, and the air duct on one side of the roof air supply fan 12 is provided with a fresh air inlet 14, and the other side air duct is connected with the public air supply air duct 8, and the public oil fume duct 7 is arranged in the public air supply air. The inside of the duct 8; the casing type air duct 16 is connected with the indoor oil fume exhaust air duct 3 and the indoor air supply air duct 4 in multiple floors, and the public oil fume exhaust air duct 7 is connected with the indoor oil fume exhaust air of multiple households. The duct 3 is connected, the public air supply air duct 8 is connected with the multi-household indoor air supply air duct 4, the indoor oil fume exhaust air duct 3 and the indoor air supply air duct 4 are connected to the indoor range hood 15 of each household, In addition, the indoor oil fume exhaust duct 3 and the indoor air supply air duct 4 are all provided with a check valve 6 and an electric proportional control valve 5; 4 is communicated with the two fresh air supplementary air outlets 2 arranged on the range hood 15 .

In particular, the roof exhaust fan 11 is located directly above the roof air supply fan 12, and an exhaust air cap 13 is also provided on the air duct directly above the roof exhaust fan 11. The exhaust air cap 13 may be a commercially available product.

In particular, the check valve 6 is arranged above the electric proportional control valve 5, and the check valve 6 can use a commercially available product to achieve the effect of preventing oil fume from backflowing. The valve 5 can automatically adjust the valve opening according to the exhaust air volume and air supply volume set by the range hood 15 .

In particular, the casing type air duct 16 is located in the public air duct well of the passive house. The structure diagram of the casing type air duct 16 is shown in Figure 2. The casing type air duct 16 realizes the integration of air supply and exhaust air on the upper and lower floors.

In particular, the public fume exhaust duct 7 is made of a material with high thermal conductivity, which ensures that the public fume exhaust duct 7 will not be deformed, damaged or produced during use.

In this utility model, the indoor range hoods 15 on the upper and lower floors share the roof exhaust fan 11 and the roof air supply fan 12 installed on the roof of the passive house, and the range hoods 15 in each house can be respectively connected with the roof fan 11 on the roof of the passive house. The linkage control between the roof exhaust fan 11 and the roof air supply fan 12, for example, when the outdoor temperature is low in winter, the range hood 15 realizes linkage control with the roof exhaust fan 11 and the roof air supply fan 12 at the same time. The method is conducive to cooling the oil fume, and when the outdoor temperature is high in summer or transitional seasons, the range hood 15 is only controlled in linkage with the roof exhaust fan 11, and the indoor supplementary air method is more conducive to cooling the oil fume; the roof exhaust fan 11 , The roof air supply fan 12 can realize start-stop and frequency conversion operation according to the opening quantity and opening gear position of the range hood 15 in the system. The linkage control system can be realized.

Winter running process:

When the indoor owner in the passive house starts to cook, after turning on the range hood 15, first, the electric proportional control valve 5 in the indoor range hood 3 and the indoor air supply duct 4 are opened, and then the roof set on the roof The exhaust fan 11 and the roof air supply fan 12 are turned on, and the cooking fume enters the indoor cooking fume exhaust duct 3 through the exhaust fume port 1 on the range hood, and then enters the casing-type air duct 16 after passing through the check valve 6 In the public fume exhaust duct 7, it is inhaled into the roof exhaust fan 11 through the roof exhaust exhaust duct 9, and finally discharged to the outside by the exhaust hood 13 above the roof exhaust fan 11; at the same time, fresh air is supplied by the roof. The fresh air inlet 14 of the air duct on one side of the fan 12 is sucked into the roof air supply fan 12, enters the public air supply air duct 8 in the casing air duct 16 through the roof air supply air duct 10, and then enters the indoor air supply air Road 4, through the check valve 6, and finally enter the kitchen through the fresh air supply air outlet 2 to complete the air supply.

Summer and transition season operation process:

When the indoor owner in the passive house starts to cook, after turning on the range hood 15, first, the electric proportional control valve 5 in the indoor cooking fume exhaust duct 3 and the indoor air supply duct 4 is opened, and then the roof set on the roof is opened. The exhaust fan 11 is turned on, and the cooking fume enters the indoor cooking fume exhaust duct 3 through the exhaust fume port 1 on the range hood, and then enters the common exhaust fume duct in the casing-type air duct 16 after passing through the check valve 6 In 7, it is sucked into the roof exhaust fan 11 through the roof exhaust duct 9, and finally discharged to the outside by the exhaust hood 13 above the roof exhaust fan 11. The fresh air supplementary air outlet 2 performs natural supplementary air.

Both of the two operation modes of the utility model can form a complete and stable exhaust air and air supply air flow circuit, and the indoor air is prevented from being exhausted by the balance of the air volume between the exhaust fume and the supply air, and the negative pressure state in the passive house is effectively prevented. , to ensure the comfort of the indoor environment; at the same time, the fresh air is fully heat exchanged with the exhaust air in the casing-type air duct 16 before entering the indoor kitchen, which reduces the fresh air load of the indoor air conditioner and reduces the overall operating energy consumption; The exhaust fan 11 and the roof air supply fan 12 are uniformly placed on the roof, which can greatly reduce the noise and vibration of the range hood 15 during operation, and significantly improve the cooking environment in the kitchen and the indoor living and living environment.

Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples, and changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the present invention are also It should belong to the protection scope of the present invention.

Claims (5)

1. a centralized oil fume exhaust system suitable for passive houses, characterized in that it includes a roof exhaust fan and a roof air supply fan arranged on the top of the passive house roof, a public oil fume exhaust duct that is communicated with the roof exhaust fume duct, A public air supply air duct connected with the roof air supply air duct, the public oil fume exhaust air duct and the public air supply air duct form a sleeve-type air duct; the air duct on one side of the roof exhaust fan is connected to the roof oil fume exhaust air duct , the roof exhaust fume duct is connected with the public fume exhaust duct, the air duct on one side of the roof air supply fan is provided with a fresh air inlet, and the other side air duct is connected with the public air supply duct, and the public exhaust duct The oil fume duct is set inside the public air supply air duct; the casing type air duct is connected with the indoor oil fume exhaust air duct and the indoor air supply air duct on multiple floors, and the public oil fume air duct is connected to the multi-household households. The inner exhaust fume duct is connected, the public air supply air duct is connected with the multi-household indoor air supply air duct, and the indoor oil fume exhaust air duct and the indoor air supply air duct are connected to the indoor range hood of each household, In addition, the indoor oil fume exhaust duct and the indoor air supply air duct are equipped with check valves and electric proportional control valves; the indoor oil fume exhaust air duct is connected with the oil fume outlet, and the indoor air supply air duct is connected to the range hood set in the range hood. The two fresh air supply vents above are connected. 2. The centralized oil fume exhaust system suitable for passive houses according to claim 1, wherein the roof exhaust fan is located directly above the roof air supply fan, and the wind directly above the roof exhaust fan is located. There is also an exhaust hood on the road. 3 . The centralized oil fume exhaust system suitable for passive houses according to claim 1 , wherein the check valve is arranged above the electric proportional control valve. 4 . 4 . The centralized oil fume exhaust system suitable for passive houses according to claim 1 , wherein the casing-type air duct is located in a public air duct well of the passive house. 5 . 5 . The centralized oil fume exhaust system suitable for passive houses according to claim 1 , wherein the public oil fume exhaust duct is made of high thermal conductivity material. 6 .

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