CN109798256B - Ventilation fan and use mode thereof - Google Patents
Ventilation fan and use mode thereof Download PDFInfo
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- CN109798256B CN109798256B CN201910007317.0A CN201910007317A CN109798256B CN 109798256 B CN109798256 B CN 109798256B CN 201910007317 A CN201910007317 A CN 201910007317A CN 109798256 B CN109798256 B CN 109798256B
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- 238000009423 ventilation Methods 0.000 title claims abstract description 60
- 239000000178 monomer Substances 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 241000886569 Cyprogenia stegaria Species 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention provides a ventilation fan and a use mode thereof, relating to a centrifugal fan. The device comprises a shell, wherein a volute is arranged in the shell, a centrifugal impeller is arranged in the volute and connected with a motor, a fixing seat is arranged below the shell, and a wireless control module is arranged on the fixing seat. The invention adopts the fixed monomer and the shell monomer which have the same shape to be buckled into the fixed seat and the shell, reduces the die sinking cost, adopts the replaceable low-voltage direct current or high-voltage direct current power supply, improves the application range, designs the wireless control module outside the fan, is matched with the sensor group, and the switch knob realizes automatic induction starting and manual control, has reasonable structure and convenient use, accords with the concept of intelligent home, and is matched with a plurality of different use modes, thereby improving the use effect of the intelligent household intelligent switch in different environments, and has obvious effect and wide application range.
Description
Technical Field
The invention relates to a centrifugal fan, in particular to a ventilation fan and a use mode thereof.
Background
Centrifugal fans belong to impeller machines, are widely applied to the fields of energy, environment and aviation, and under the new economic situation, the future centrifugal fan industry will continue to be increased faster. In order to reduce energy waste, the fan is preferably adjusted according to actual use, and the current fan is mainly adjusted by adopting an adjusting valve and a throttling baffle, so that electric energy is saved in a mode of adjusting the rotating speed of the fan, and the current mode of controlling the motor 13 to rotate by adopting circuit connection is adopted, so that the service environment of the fan is limited.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the ventilating fan and the use mode thereof. Meanwhile, the upper shell and the lower shell have the same structure, the same mold is adopted, the left fixing seat and the right fixing seat have the same structure, the same mold is adopted, the manufacturing cost is saved, meanwhile, the accessory is standardized and consistent, the quality is better, and the assembly is simple and convenient; the shell and the fixed seat are fixed by adopting a push-slide clamping groove, the fixed seat is firstly arranged on the wall, then the lug boss of the fan shell is pushed into the shell clamping groove of the fixed seat to be clamped, and the installation in a sliding groove mode is completed; the shell can be fixed on the fixed seat by locking the screw.
In order to achieve the above purpose, the specific technical features of the present invention are as follows:
the ventilation fan comprises a shell, a volute, a motor and a centrifugal impeller, wherein a wind cavity is formed in the shell, the volute is arranged in the wind cavity, a power supply seat is further arranged in the wind cavity, a power supply is arranged in the power supply seat, one end of the shell is provided with an air inlet, a first air guide cover is arranged in the air inlet, a first fastening rubber ring is arranged outside the air inlet, the other end of the shell is provided with an air outlet, a second air guide cover is arranged in the air outlet, a second fastening rubber ring is arranged outside the air outlet, and a threading hole is formed in the side face of the shell;
the spiral case is hollow, a centrifugal impeller is arranged in the spiral case, the centrifugal impeller comprises a chassis and a top disc, the chassis and the top disc are in a circular ring shape, the chassis and the top disc are arranged at intervals, blades are installed between the chassis and the top disc, a motor casing is arranged in the middle of the chassis, a motor is arranged in the motor casing, the bottom of the motor is fixed on the spiral case, the output end of the motor is connected with the inner side of the motor casing, the centrifugal impeller is arranged in a separated mode with the spiral case, a ventilation opening is arranged at the top of the spiral case, the ventilation opening is arranged above the centrifugal impeller, a blowing opening is arranged on the side face of the spiral case and is arranged on the outer side of the centrifugal impeller, the air inlet of the casing is connected with the ventilation opening of the spiral case, and the air outlet of the casing is connected with the blowing opening of the spiral case;
the fixing seat comprises two fixing monomers with the same shape, the fixing monomers comprise a fixing base, a fixing clamping arm is arranged on one side of the fixing base, a matched clamping arm groove is formed in one side of the fixing clamping arm, a clamping arm male buckle is arranged below the fixing clamping arm, a screw through hole is formed in one side of the clamping arm male buckle, a clamping arm female buckle corresponding to the clamping arm male buckle is arranged on the clamping arm groove, a screw hole corresponding to the screw through hole is further formed in the clamping arm groove, the two fixing monomers are matched, a shell connecting arm is arranged on the other side of the fixing base, a C-shaped shell buckle is arranged at the upper end of the shell connecting arm, and an lug corresponding to the shell buckle is arranged on the outer side of the shell;
the wireless control module is installed on the shell connecting arm of the fixing seat and comprises a circuit board, a control chip, a wireless receiving device and a motor control circuit are arranged on the circuit board, the control chip is connected with a power supply, a signal input end of the control chip is connected with the wireless receiving device, a signal output end of the control chip is connected with the motor control circuit, and the motor control circuit is connected with a motor.
Further, the shell comprises two shell monomers with the same shape, matched shell male buckles and shell female buckles are arranged at the splicing edges of the shell monomers, half-lugs are arranged at two sides of the shell monomers, a fan fixing plate is further arranged in a ventilation cavity of the shell, a volute is fixed on the fan fixing plate, a wiring port is formed in the fan fixing plate, an air guide pipe is further arranged at one side close to the volute air blowing port, one end of the air guide pipe is connected with the air blowing port, and the other end of the air guide pipe is connected with an air outlet of the shell; the bottom of the fixing unit is provided with a plurality of reinforcing ribs, and the shell connecting arms on the fixing unit are provided with a plurality of reinforcing ribs.
Further, the power supply is a low-voltage direct current power supply or a high-voltage direct current power supply; the wireless control module also comprises a sensor group and a wireless receiving device, the sensor group and the wireless receiving device are connected with the control chip, and the sensor group comprises a temperature sensor, a humidity sensor and an air quality sensor; the wireless receiving device is an electromagnetic wave receiving device and/or an infrared receiving device.
Further, a switch knob is arranged outside the shell and is connected with a power supply and a motor control circuit; the switch knob is provided with three gears.
The using mode of the ventilation fan comprises the following modes:
s1, placing an A ventilation fan above one end of a house, wherein an air inlet of the A ventilation fan is communicated with the outside of the house, and an air outlet of the A ventilation fan is communicated with the inside of the house; placing a B ventilation fan at the other end of the house, wherein an air outlet of the B ventilation fan is communicated with the outside of the house, an air inlet of the B ventilation fan is communicated with the inside of the house, and the power of the two fans is regulated to form circulation in the house;
s2, when long-distance air supply is performed, an air outlet of one ventilation fan is connected with an air inlet of the other ventilation fan through a pipeline, an A ventilation fan is placed at one end of a house, the air inlet of the A ventilation fan is communicated with the outside of the house, the air outlet of the A ventilation fan is connected with an air inlet of a B ventilation fan through a pipeline, and the like, so that multiple ventilation fans are connected in series, and the wind power transmission distance is increased; the other end of the house can be provided with a vent hole;
s3, for a house with a large internal space, two ventilation fans are simultaneously arranged at one end of the house, air inlets of the two fans are communicated with the outside of the house, air outlets of the two fans are communicated with the inside of the house, and the like, so that a plurality of ventilation fans are formed to be connected in parallel, and the transmission air quantity is increased; the other end of the house can be provided with a vent hole.
The use modes are not in sequence, and the use modes can be selected or combined.
The beneficial effects of the invention are as follows: the invention adopts the fixed monomer and the shell monomer which have the same shape to be buckled into the fixed seat and the shell, reduces the die sinking cost, adopts the replaceable low-voltage direct current or high-voltage direct current power supply, improves the application range, designs the wireless control module outside the fan, is matched with the sensor group, and the switch knob realizes automatic induction starting and manual control, has reasonable structure and convenient use, accords with the concept of intelligent home, and is matched with a plurality of different use modes, thereby improving the use effect of the intelligent household intelligent switch in different environments, and has obvious effect and wide application range.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional structural view of the present invention;
FIG. 4 is a schematic structural view of a fixing base of the present invention;
FIG. 5 is a schematic view of another view of the fixing base of the present invention;
FIG. 6 is a schematic diagram of a wireless control module according to the present invention;
FIG. 7 is a wind pattern during use of the present invention;
FIG. 8 is a schematic diagram of a dual-machine serial connection in use of the present invention;
FIG. 9 is a schematic diagram of simultaneous air intake and air outlet in use of the present invention;
FIG. 10 is a schematic diagram of a parallel connection of two machines in use of the present invention;
FIG. 11 is a schematic view of a slide-in installation of the present invention.
The marks in the figure are as follows:
the fan comprises a shell 11, a volute casing 12, a motor 13, a centrifugal impeller 14, a wind cavity 15, a power supply seat 16, a power supply 17, an air inlet 18, a first wind guide cover 19, a first fastening rubber ring 20, an air outlet 21, a second wind guide cover 22, a second fastening rubber ring 23, a chassis 24, a top plate 25, a blade 26, a motor casing 27, a ventilation opening 28, a blowing opening 29, a fixing seat 30, a fixing unit 31, a fixing base 32, a fixing clamping arm 33, a clamping arm groove 34, a clamping arm male buckle 35, a screw through hole 36, a clamping arm female buckle 37, a screw hole 38, a shell connecting arm 39, a shell buckle 40, a lug boss 41, a wireless control module 42, a circuit board 43, a control chip 44, a wireless receiving device 45, a motor control circuit 46, a shell male buckle 47, a shell female buckle 48, a fan fixing plate 49, a wind guide 50, a sensor group 51, a shell unit 53, a wiring opening 54 and a threading hole 55.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to the drawings, the invention relates to a ventilation fan for ventilating an indoor. The centrifugal impeller comprises a shell 11, a volute 12, a motor 13 and a centrifugal impeller 14, wherein a wind cavity 15 is arranged in the shell 11, the volute 12 is arranged in the wind cavity 15, a power supply seat 16 is further arranged in the wind cavity 15, a power supply 17 is arranged in the power supply seat 16, an air inlet 18 is formed in one end of the shell 11, a first air guide cover 19 is arranged in the air inlet 18, a first fastening rubber ring 20 is arranged outside the air inlet 18, an air outlet 21 is formed in the other end of the shell 11, a second air guide cover 22 is arranged in the air outlet 21, and a second fastening rubber ring 23 is arranged outside the air outlet 21;
the spiral case 12 is hollow, be equipped with centrifugal impeller 14 in the spiral case 12, centrifugal impeller 14 includes chassis 24, roof-plate 25, chassis 24 and roof-plate 25 are the ring shape, chassis 24 and roof-plate 25 interval setting, install blade 26 between chassis 24 and the roof-plate 25, the chassis 24 middle part is equipped with motor casing 27, be equipped with motor 13 in the motor casing 27, motor 13 bottom is fixed on spiral case 12, motor 13's output is connected motor casing 27 inboard, centrifugal impeller 14 and spiral case 12 separation setting, spiral case 12 top is equipped with the scavenge port 28, scavenge port 28 is established in centrifugal impeller 14 top, spiral case 12 side is equipped with the blast port 29, blast port 29 is established in centrifugal impeller 14 outside, the scavenge port 28 is connected to the air inlet 18 of shell 11, the spiral case 12 is connected to the gas outlet 21 of shell 11. Air enters the air cavity from the air inlet 18 of the housing 11, enters from the ventilation opening 28 of the volute 12 under the action of the motor 13 and the centrifugal impeller 14, is discharged from the air blowing opening 29 of the volute 12, and finally is discharged from the air outlet 21 of the housing 11.
The fixing seat 30 is arranged below the shell 11, the fixing seat 30 comprises two fixing monomers 31 with the same shape, each fixing monomer 31 comprises a fixing base 32, a fixing clamping arm 33 is arranged on one side of the fixing base 32, a matched clamping arm groove 34 is formed in one side of the fixing clamping arm 33, a clamping arm male buckle 35 is arranged below the fixing clamping arm 33, a screw through hole 36 is formed in one side of the clamping arm male buckle 35, a clamping arm female buckle 37 corresponding to the clamping arm male buckle 35 is arranged on the clamping arm groove 34, a screw hole 38 corresponding to the screw through hole 36 is further formed in the clamping arm groove 34, the two fixing monomers 31 are matched, a shell connecting arm 39 is arranged on the other side of the fixing base 32, a C-shaped shell buckling groove 40 is formed in the upper end of the shell connecting arm 39, and an ear protrusion 41 corresponding to the shell buckling groove 40 is formed in the outer side of the shell 11.
During installation, the fixing seat 30 is fixed on a wall or a ceiling firstly, a screw fixing or adhesive fixing mode can be adopted, then, the shell 11 which is installed inside is pushed into the fixing seat 30, the shell connecting arm 39 and the shell buckling groove 40 of the fixing seat correspond to the sizes of the shell 11 and the lug boss 41 of the shell 11 respectively, after the shell connecting arm and the shell buckling groove are pushed in, the shell connecting arm and the shell buckling groove 40 can be fixed by screws according to the situation, and installation is more convenient.
The wireless control module 42 is installed on the shell connecting arm 39 of the fixing seat 30, related circuits penetrate through the threading holes 55 on the shell 11 to enter the shell 11 for controlling the fan, the wireless control module 42 comprises a circuit board 43, a control chip 44, a wireless receiving device 45 and a motor control circuit 46 are arranged on the circuit board 43, the control chip 44 is connected with the power supply 17, a signal input end of the control chip 44 is connected with the wireless receiving device 45, a signal output end of the control chip 44 is connected with the motor control circuit 46, the motor control circuit 46 is connected with the motor 13, the wireless receiving device 45 is an electromagnetic wave receiving device and/or an infrared receiving device, when the wireless receiving device 45 is an infrared receiver, the wind speed of the fan or a switch fan can be controlled through the infrared remote controller, and Bluetooth and the like can also be used for wireless control.
The shell 11 comprises two shell monomers 53 with the same shape, the splicing edges of the shell monomers 53 are provided with matched shell male buckles 47 and shell female buckles 48, both sides of the shell monomers 53 are provided with half-lug bosses 41, a fan fixing plate 49 is further arranged in a ventilation cavity 15 of the shell 11, the volute 12 is fixed on the fan fixing plate 49, a wiring port 54 is formed in the fan fixing plate 49, one side, close to an air blowing port 29 of the volute 12, of the volute 12 is further provided with an air guide pipe 50, one end of the air guide pipe 50 is connected with the air blowing port 29, and the other end of the air guide pipe 50 is connected with an air outlet 21 of the shell 11; the bottom of the fixing unit 31 is provided with a reinforcing rib, and the plurality of shell connecting arms 39 on the fixing unit 31 are convenient for model making and have more symmetrical shape and structure.
The power supply 17 adopted by the invention is a low-voltage direct-current power supply or a high-voltage direct-current power supply, and the power supply 17 arranged on the power supply seat 16 can be replaced in a detachable mode.
The wireless control module 42 also comprises a sensor group 51, the sensor group 51 is connected with the control chip 44, the sensor group 51 comprises a temperature sensor, a humidity sensor and an air quality sensor, data of the receiving sensor can be collected, and the control chip 44 can automatically control the wind speed or start and stop of the fan after receiving the data.
The wireless receiving device 45 is an electromagnetic wave receiving device and/or an infrared receiving device.
Further, a switch knob is provided outside the housing 11, and is connected to the power source 17 and the motor control circuit 46, and is provided with three gear positions for operation.
The upper and lower shells 11 have the same structure and the same mold, the left and right fixing seats 30 have the same structure and the same mold, so that the manufacturing cost is saved, and meanwhile, the accessories are standardized and consistent, the quality is better, and the assembly is simple and convenient; the shell 11 and the fixed seat 30 are fixed by adopting a push-slide clamping groove, the fixed seat 30 is firstly arranged on the wall, then the lug boss 41 of the fan shell 11 is pushed into the shell buckling groove 40 of the fixed seat 30 to be clamped, and the installation in a sliding groove mode is completed; the housing 11 can be fixed to the fixing base 30 by screw locking.
The using mode of the ventilation fan comprises the following modes:
placing an A ventilation fan above one end of a house, wherein an air inlet 18 of the A ventilation fan is communicated with the outside of the house, and an air outlet 21 of the A ventilation fan is communicated with the inside of the house; the air-exchanging fan B is arranged at the other end of the house, the air outlet 21 of the air-exchanging fan B is communicated with the outside of the house, the air inlet 18 of the air-exchanging fan B is communicated with the inside of the house, the power of the two fans is regulated, and circulation is formed in the house. When the house is in a larger space, one end of the house is provided with the A1 ventilation fan and the A2 ventilation fan, the other end of the house is provided with the B1 ventilation fan and the B2 ventilation fan, and the ventilation amount is increased.
When long-distance air supply is performed, the air outlet 21 of one A ventilation fan is connected with the air inlet 18 of the B ventilation fan, the A ventilation fan is placed at one end of the house, the A ventilation fan is communicated with the outside of the house, the air outlet 21 of the A ventilation fan is connected with the air inlet 18 of the B ventilation fan through a pipeline, and the like, so that multiple ventilation fans are connected in series, and the wind power transmission distance is increased; the other end of the house can be provided with a vent hole.
For houses with larger inner space, the two ventilating fans A and B are simultaneously placed at one end of the house, the air inlets 18 of the two ventilating fans are communicated with the outside of the house, the air outlets 21 of the two ventilating fans are communicated with the inside of the house, and the plurality of air outlet positions are formed by the air supply pipes to form the parallel connection of the ventilating fans, so that the conveying air quantity is increased.
The use modes are not in sequence, and can be optionally or combined.
The above examples illustrate only one embodiment of the invention, which is described in more detail and is not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (3)
1. The utility model provides a ventilator, includes shell (11), spiral case (12), motor (13), centrifugal impeller (14), its characterized in that: the novel air conditioner is characterized in that an air cavity (15) is formed in the outer shell (11), a volute (12) is arranged in the air cavity (15), a power supply seat (16) is further arranged in the air cavity (15), a power supply (17) is arranged in the power supply seat (16), an air inlet (18) is formed in one end of the outer shell (11), a first air guide cover (19) is arranged in the air inlet (18), a first fastening rubber ring (20) is arranged outside the air inlet (18), an air outlet (21) is formed in the other end of the outer shell (11), a second air guide cover (22) is arranged in the air outlet (21), a second fastening rubber ring (23) is arranged outside the air outlet (21), and a threading hole (55) is formed in the side face of the outer shell (11);
the centrifugal impeller (14) is arranged in the spiral case (12), the centrifugal impeller (14) comprises a chassis (24) and a top disc (25), the chassis (24) and the top disc (25) are in a circular ring shape, blades (26) are arranged between the chassis (24) and the top disc (25), a motor shell (27) is arranged in the middle of the chassis (24), a motor (13) is arranged in the motor shell (27), the bottom of the motor (13) is fixed on the spiral case (12), the output end of the motor (13) is connected with the inner side of the motor shell (27), the centrifugal impeller (14) is arranged in a separated mode with the spiral case (12), a ventilation opening (28) is formed in the top of the spiral case (12), the ventilation opening (28) is formed in the upper portion of the centrifugal impeller (14), a blowing opening (29) is formed in the side face of the spiral case (12), the blowing opening (29) is formed in the outer side of the centrifugal impeller (14), a gas inlet (18) of the casing (11) is connected with the spiral case (12), and a gas outlet (21) of the casing (11) is connected with the blowing opening (29).
A fixing seat (30) is arranged below the shell (11), the fixing seat (30) comprises two fixing monomers (31) with the same shape, each fixing monomer (31) comprises a fixing base (32), a fixing clamping arm (33) is arranged on one side of each fixing base (32), a matched clamping arm groove (34) is formed in one side of each fixing clamping arm (33), a clamping arm male buckle (35) is arranged below each fixing clamping arm (33), a screw through hole (36) is formed in one side of each clamping arm male buckle (35), a clamping arm female buckle (37) corresponding to each clamping arm male buckle (35) is formed in each clamping arm groove (34), screw holes (38) corresponding to the screw through holes (36) are formed in the corresponding clamping arm grooves (34), the two fixing monomers (31) are matched, a shell connecting arm (39) is arranged on the other side of each fixing base (32), a C-shaped shell buckle (40) is arranged at the upper end of each shell connecting arm (39), and a lug boss (41) corresponding to the shell buckle (40) is arranged on the outer side of the shell (11);
a wireless control module (42) is arranged on a shell connecting arm (39) of the fixing seat (30), the wireless control module (42) comprises a circuit board (43), a control chip (44), a wireless receiving device (45) and a motor control circuit (46) are arranged on the circuit board (43), the control chip (44) is connected with a power supply (17), a signal input end of the control chip (44) is connected with the wireless receiving device (45), a signal output end of the control chip (44) is connected with the motor control circuit (46), and the motor control circuit (46) is connected with a motor (13);
the power supply (17) is a low-voltage direct-current power supply or a high-voltage direct-current power supply; the wireless control module (42) further comprises a sensor group (51) and a wireless receiving device (45), the sensor group (51) and the wireless receiving device (45) are connected with the control chip (44), and the sensor group (51) comprises a temperature sensor, a humidity sensor and an air quality sensor; the wireless receiving device (45) is an electromagnetic wave receiving device and/or an infrared receiving device;
a switch knob is arranged outside the shell (11) and is connected with a power supply (17) and a motor control circuit (46); the switch knob is provided with three gears.
2. A ventilator according to claim 1, wherein: the shell (11) comprises two shell monomers (53) with the same shape, matched shell male buckles (47) and shell female buckles (48) are arranged at the splicing edges of the shell monomers (53), half-lug protrusions (41) are arranged on two sides of the shell monomers (53), a fan fixing plate (49) is further arranged in a ventilation cavity (15) of the shell (11), a volute (12) is fixed on the fan fixing plate (49), a wiring port (54) is formed in the fan fixing plate (49), an air guide pipe (50) is further arranged on one side, close to an air blowing port (29) of the volute (12), of the shell, one end of the air guide pipe (50) is connected with the air blowing port (29), and the other end of the air guide pipe (50) is connected with an air outlet (21) of the shell (11); the bottom of the fixing unit (31) is provided with a reinforcing rib, and a plurality of shell connecting arms (39) are arranged on the fixing unit (31).
3. A use mode of the ventilation fan, which adopts the ventilation fan as claimed in any one of claims 1 to 2, and is characterized by comprising the following modes:
s1, placing an A ventilation fan above one end of a house, wherein an air inlet (18) of the A ventilation fan is communicated with the outside of the house, and an air outlet (21) of the A ventilation fan is communicated with the inside of the house; the air exchanging fan B is arranged at the other end of the house, an air outlet (21) of the air exchanging fan B is communicated with the outside of the house, an air inlet (18) of the air exchanging fan B is communicated with the inside of the house, the power of the two fans is regulated, and circulation is formed in the house;
s2, when long-distance air supply is performed, an A ventilation fan is arranged at one end of the house, an air inlet (18) of the A ventilation fan is communicated with the outside of the house, an air outlet (21) of the A ventilation fan is connected with an air inlet (18) of the B ventilation fan through a pipeline, and the like, so that multiple ventilation fans are connected in series, and the wind power transmission distance is increased;
s3, for a house with a large internal space, two ventilation fans are simultaneously arranged at one end of the house, air inlets (18) of the two fans are communicated with the outside of the house, air outlets (21) of the two fans are communicated with the inside of the house, and the like, so that multiple ventilation fans are formed to be connected in parallel, and the transmission air quantity is increased;
the use modes are not in sequence, and the use modes are selected or combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007317.0A CN109798256B (en) | 2019-01-04 | 2019-01-04 | Ventilation fan and use mode thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910007317.0A CN109798256B (en) | 2019-01-04 | 2019-01-04 | Ventilation fan and use mode thereof |
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| Publication Number | Publication Date |
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| CN109798256A CN109798256A (en) | 2019-05-24 |
| CN109798256B true CN109798256B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910007317.0A Active CN109798256B (en) | 2019-01-04 | 2019-01-04 | Ventilation fan and use mode thereof |
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| CN (1) | CN109798256B (en) |
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