Exhaust fan, a type of air-conditioning appliance that is driven by the motor to rotate the fan blades to drive the airflow and exchange indoor and outdoor air. Also known as ventilation fan. The purpose of exhaust is to remove the dirty air in the room, adjust the temperature, humidity and sensory effect. Exhaust fans are widely used in homes and public places. Let's take a closer look at the exhaust fan.
1. Ten Brands of Kitchen Appliance Exhaust Fans
The exhaust fan is a type of axial fan. It is mainly used in negative pressure ventilation and cooling projects and is called industrial exhaust fan. The exhaust fan has the characteristics of super large air duct, super large fan blade diameter, super large exhaust volume, super low energy consumption, low speed, low noise and so on. At present, the more well-known brands in the market are:
1 Panasonic
(In 1918, Japan, the world's top 500 companies, world brands, large multinational companies, the world's largest electronics manufacturer, Panasonic Electric (China) Co., Ltd.)
Panasonic exclusively developed software that summarizes nearly 40 years of motor design and manufacturing experience to design, so that the motor's structural design, electromagnetic design, and insulation design are more reasonable. The main materials are materials of famous companies in Japan and Taiwan, and the bearings are made of Bora oily bearings and NSK.NTN high-grade motor special ball bearings.
2 Masano
(High-tech enterprise, a well-known trademark in Guangdong, a manufacturer specializing in the development, production and sales of ventilation and ventilation electrical equipment, Guangdong Zhengye Electric Co., Ltd.)
Ultra-quiet overall design; 100% ABS imported engineering plastics; all-copper motor, two-year warranty; aerospace-grade bearing lubricant; self-contained air outlet check valve; overall moisture-proof design.
3 Jinling
(Guangdong Famous Brand, Famous Brand of Guangdong Province, Industry Influential Brand, Private Enterprise with Self-Owned Import and Export Rights, Jiangmen Jinling Exhaust Fan Manufacturing Co., Ltd.)
Jinling exhaust fan motor structure and electromagnetic design are rationally planned, and the insulation design is precisely planned. The accumulated experience over the years has continuously improved Jinling exhaust fans, making today's Jinling exhaust fans unanimously praised.
4 beautiful
(Started in 1968, China's well-known trademarks, listed companies, one of the most globally competitive brands, top 500 Chinese companies, Guangdong Midea Electric Group Co., Ltd.)
Midea's ventilating fan uses many scientific research achievements and introduces the technology of famous Japanese manufacturers. Provide consumers with efficient, energy-saving and environmentally-friendly ventilation products to discharge indoor filth, odor and toxic gases, ensure indoor air is fresh and smooth, and improve indoor air quality and quality of life.
5 Green Island Wind
(In 1989, a well-known brand in the industry, a famous trademark in Guangdong Province, a modern enterprise integrating research, development and sales, Lvdao Fengyi Electric Co., Ltd.)
The ducted Ludao fan is made of high-quality ABS plastic and is durable. Large air volume design, high efficiency and energy saving, low motor noise and long service life.
6 Op
(China's well-known trademarks, Zhejiang famous brands, top ten exhaust fan brands, Zhejiang famous trademarks, focusing on bathroom appliances manufacturers, Hangzhou Aopu Electric Co., Ltd.)
Aopu ventilating fan BP11-4D has ultra-quiet technology, international advanced streamlined design, special air supply mode, low power and higher exhaust efficiency. The installation method is ceiling installation. Unique international popular style, perfect presentation of the beauty of nature harmony, intimate design, set beautiful and convenient in one.
7 BNN-LONON
(Global well-known comprehensive technology company, an enterprise dedicated to the research and development, manufacturing and sales of ventilation and heating and ventilation products, Guangdong Belair Electric Co., Ltd.)
It mainly develops and produces ventilation products, air purification products and systems for civil and industrial ventilation fans, air curtain machines, air purifiers, industrial fans, and fire exhaust valves.
8 Flying Eagle
(China's well-known trademark, a large enterprise integrating manufacturing, scientific research, import and export trade, services, real estate development and management, Shanghai Feidiao Electric Group Co., Ltd.)
Large solitary diameter large wind wheel design, creating strong suction, quickly remove indoor turbidity; spiral air duct design, super mute, creating a quiet room atmosphere;
9 Emmett
(Started in 1973 in Taiwan, industry influence brand, top ten exhaust fan brands, one of the most competitive brands in the market, Airmate Electric (Shenzhen) Co., Ltd.)
Louver safe mute design, safe, beautiful, clean and enjoyable; four-pole motor technology, powerful operation of the motor, durable; special slideway oil tank, easy to remove and wash; high electrostatic spray surface, body anti-humidity anti-corrosion anti-rust.
10 Mitsubishi
(Founded in 1870 in Japan, a Fortune 500 company, dedicated to the research and development of cutting-edge technology and expertise, Mitsubishi Electric (China) Co., Ltd.)
Adopt Panasonic design motor, low energy consumption, up to 70,000 hours of uninterrupted operation; the design structure of placing the fan blade completely in the snail shell makes the ventilation performance further improved; the double mask technology realizes the ultra-quiet function. The noise generated by fan blade operation is effectively isolated.
Second, the classification of kitchen appliances exhaust fan
The exhaust fan uses air convection to keep the room under negative pressure all the time, forming a suction force, continuously sucking in the outdoor air, and exhausting the indoor hot air, so as to achieve the effect of ventilation and cooling.
1. Press the inlet and outlet
(1) The exhaust fan is divided according to the intake and exhaust ports:
Partition wall type: Both sides of the partition wall hole are free spaces, ventilating from one side of the partition wall to the other
Duct exhaust type: one side takes in air from free space, while the other side exhausts through the duct;
Duct intake type: one side takes in air through the duct while the other side exhausts into free space;
Full duct type: ducts are arranged on both sides of the exhaust fan, and intake and exhaust are conducted through the ducts.
(2) Divided according to the form of air flow:
Centrifugal: air enters in a direction parallel to the axis of rotation and exits perpendicular to the axis;
Axial flow: air enters in a direction parallel to the axis of rotation and is still discharged parallel to the axis;
Cross-flow: The air inlet and outlet are perpendicular to the axis.
2. According to the ventilation method
There are three types of exhaust fan: exhaust, suction, and combined.
Exhaust type: enter the air from the natural air inlet, and exhaust the dirty air through the exhaust fan;
Inhalation type: Inhale fresh air through ventilating fan and discharge dirty air from natural exhaust port;
Combined use: Both suction and exhaust are done by a ventilator.
3. Specification of kitchen appliance exhaust fan
1. At present, there are three main specifications of exhaust fans in circulation on the market, namely:
(1) 1380 * 1380 * 400mm1.5kw
(2) 1220 * 1220 * 400mm1.0kw
(3) 1060 * 1060 * 400mm0.75kw
2. The rotation method can be divided into two types: belt rotation and motor direct rotation:
(1) The rotating speed of the belt-type rotating exhaust fan is generally 400 ~ 450 rpm, which has the characteristics of low noise;
(2) The motor directly rotates the exhaust fan at a high speed, which is 440 ~ 720 rpm.
3. From the blade structure:
There are three main structures: five-leaf, six-leaf, and seven-leaf.
The above is the introduction of the top ten brands of kitchen exhaust fans and the classification and specifications of common exhaust fans. If you want to know more related content, please pay attention to the decoration information channel of this website.
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