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Product Category
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product name
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Chinese national standard name
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International IEC standard name
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Ventilation equipment
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fan
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GB4706.27
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IEC 60335-2-80
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Classification and specifications:
Due to its long development history, electric fans have become a type of household appliance with a complete range of categories, various specifications and varied styles.
(1) Classification of electric fans
① According to the power supply: there are AC (three-phase, single-phase) fans, DC fans, AC/DC dual-purpose fans. The most commonly used are AC single-phase fans, AC three-phase fans are mainly used in industrial and mining enterprises, and DC and AC/DC dual-purpose fans are mainly used in specific occasions such as ships and vehicles;
② According to the structure of the motor: there are single-phase capacitor type, single-phase shaded pole type, three-phase induction type, DC and AC/DC dual-purpose series commutator type electric fans;
③According to the usage and main structural features, electric fans can be divided into: table fans, wall fans, table fans, floor fans, ceiling fans, ceiling fans, rotary fans and exhaust fans. Their main features are shown in Table 1.
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Table 1 Main characteristics of various types of electric fans |
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category |
Key Features |
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Fan head structure |
supporting structure |
Placement |
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Table Fan |
Protected motor with reciprocating head mechanism |
Pedestal |
On the table or table |
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Floor Fan |
Pedestal |
On the table or table |
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Wall Fan |
Wall Stand |
Fixed on the wall |
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Floor Fan |
Base |
put it on the floor |
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Top fan |
Enclosed motor with rotary shaking mechanism |
Mounts |
Mounting on the ceiling |
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ceiling fan |
External rotor structure motor without shaking device |
Climbing and rigging |
Hanging from the ceiling |
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Rotating fan |
Enclosed motor, changes by rotating the shutter |
frame |
On the table or desk |
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Exhaust fan |
Enclosed motor, no shaking mechanism |
frame |
Installed on window or wall hole |
(2) Specifications: The commonly used specifications of electric fans are shown in Table 2.
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Table 2 Specifications of various electric fans |
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category |
Specification series (expressed in blade diameter, mm) |
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Table Fan |
200, 250, 300, 350, 400 |
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Floor Fan |
300, 350, 400 |
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Wall Fan |
250, 300, 350, 400 |
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Floor Fan |
350, 400, 500, 600, 750 |
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Top fan |
300, 350, 400 |
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Exhaust fan |
250, 300, 350, 400 |
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Rotating fan |
300, 350 |
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ceiling fan |
900, 1050, 1200, 1400, 1500, 1800 |