CN109139571B

CN109139571B - Ventilation device

Info

Publication number: CN109139571B
Application number: CN201811168602.2A
Authority: CN
Inventors: 何海华
Original assignee: Zhejiang Yangfan General Machinery Manufacturing Co Ltd
Current assignee: Zhejiang Yangfan General Machinery Manufacturing Co Ltd
Priority date: 2017-04-25
Filing date: 2017-04-25
Publication date: 2020-02-28
Anticipated expiration: 2037-04-25
Also published as: CN106939906A; CN106939906B; CN109139571A

Abstract

The invention provides a ventilation device, and belongs to the technical field of ventilation. This ventilation device, including lower casing, an upper cover, the outlet duct, the upper cover lid closes the upper end at casing down, outlet duct and casing intercommunication down, the lower part of casing has the liquid cabin down, the bottom surface middle part of casing has interior concave part down, the through hole has been seted up at the top of interior concave part, the inlet end of outlet duct rotates and establishes in interior concave part, the end of giving vent to anger rotates and sets up on the inlet end of fan, be equipped with the filter core on the through hole, be equipped with the baffle on covering, lower casing, form inlet channel between upper cover and the baffle, be equipped with guide vane in the outlet duct, it is equipped with the impeller axle sleeve to rotate on the interior concave part, be equipped with the impeller on the impeller axle sleeve, be provided with driven magnet on this pipy impeller axle sleeve, be equipped with the driving magnet who corresponds with driven magnet on the impeller axle. The invention has the advantages of air purification and energy saving.

Description

Ventilation device

The application isVentilation device(application No.:2017102741026the application date is:04 month and 25 days 2017) The divisional application of (1).

Technical Field

The invention belongs to the technical field of ventilation, and relates to a ventilation device.

Background

Ventilation devices are widely used, such as in buildings, ships and automobiles. The ventilation device generally comprises an air pipe and a fan, wherein the fan drives air to flow in the air pipe, so that the aim of ventilating a fixed place is fulfilled.

The air in the air duct contains kinetic energy, and how to utilize and recover the kinetic energy is a problem to be solved.

In addition, some impurity particles possibly exist in air entering the air pipe from the outside, and after the impurity particles enter the fan, the blades and the inner cavity of the fan are damaged, so that the service life of the fan is shortened.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a ventilation device which can purify air and save energy.

The purpose of the invention can be realized by the following technical scheme: a ventilation device comprises a lower shell, an upper cover and an air outlet pipe, wherein the upper cover covers the upper end of the lower shell, the air outlet pipe is communicated with the lower shell, a liquid cabin is arranged at the lower part of the lower shell, liquid is arranged in the liquid cabin, an inner concave part with a circular cross section is arranged in the middle of the bottom surface of the lower shell, a through hole is formed in the top of the inner concave part, the air inlet end of the air outlet pipe is rotatably arranged in the inner concave part, the end part of the air outlet pipe is flush with the through hole, the air outlet end of the air outlet pipe is rotatably arranged on the air inlet end of a fan, the position of the through hole is higher than the liquid level of the liquid, a filter element is arranged on the through hole, a baffle is vertically arranged on the upper cover, gaps are formed among the lower shell, the upper cover and the baffle to form a circuitous air inlet channel, a gap is formed between the lower end of the baffle, the inner concave part is rotatably provided with a tubular impeller shaft sleeve, the impeller shaft sleeve is provided with a plurality of impellers, the impellers are positioned in liquid, the impeller shaft sleeve and the air outlet pipe are coaxially arranged, the tubular impeller shaft sleeve is provided with a driven magnet, the air outlet pipe is provided with a driving magnet corresponding to the driven magnet on the impeller shaft sleeve, and a magnetofluid bearing is adopted between the air outlet pipe and the inner concave part for magnetofluid rotary sealing.

After the fan is opened, the air gets into from inlet channel, certain clearance has between baffle lower extreme and the liquid level of liquid, can strike the liquid level downwards after making the air current get into, make impurity adsorbed by liquid, then the air current passes through the filter core and gets into the outlet duct, the impurity that contains in the air current can be filtered once more to the filter core, when the air current gets into the outlet duct, the air current strikes guide vane, make the outlet duct rotate, when the outlet duct rotates, through magnetic force drive belt movable vane synchronous rotation, thereby mix liquid, make the liquid level of keeping away from impeller department rise under the effect of centrifugal force, make liquid and air current fully contact, can play the better effect of removing impurity, the magnetic fluid bearing can play good sealed effect and can reduce the rotation resistance of outlet duct.

In the ventilation device, the guide vane is a turbine, the turbine is coaxially arranged with the air outlet pipe, and the turbine is fixed with the air outlet pipe through a transverse support. The air outlet pipe is driven to rotate by impacting the turbine through the air flow, and the kinetic energy of the air flow is converted into the rotating kinetic energy of the air outlet pipe.

In the above-mentioned ventilation device, a check ring which can move up and down and is used for adjusting the gap between the lower shell and the upper cover is sleeved on the lower shell, and the check ring is made of rubber. Utilize reciprocating of retaining ring can be used for adjusting down the size in clearance between casing and the upper cover, and then be used for adjusting the size that enters into the air current in the casing down from inlet channel, the retaining ring of rubber material has deformable advantage, removes with sealed effectual.

In the above-mentioned ventilation device, the bottom of the liquid cabin is provided with a lower concave part, the lower concave part is provided with an impurity blocking net, the function of the lower concave part is to enable impurities entering the liquid to sink into the lower concave part, the impurity blocking net can reduce the mutual flow of the liquid and prevent the impurities in the lower concave part from rising along with the stirred liquid flow.

In the above ventilation device, the impurity blocking net has magnetism. So as to adsorb ferromagnetic impurities.

In foretell ventilation unit, be provided with the intake pipe on the upper cover, the inboard intercommunication of intake pipe and upper cover, be provided with the control valve in the intake pipe, when inlet channel enters into the gas flow of casing down when passing through, can open the control valve for during external air can enter into casing down through the intake pipe, and enter into in the outlet duct behind the filter core.

In the above-described ventilation apparatus, a splash guard is provided at a top of the inner recess, the splash guard being provided along a circumferential direction of the inner recess.

The effect of splash shield prevents to make liquid splash on the filter core because of the stirring of impeller, and then avoids liquid to enter into the fan, avoids damaging the fan.

In the above-described ventilation apparatus, the edge of the splash guard has a downward inclined surface with a gap from the lower edge of the baffle plate, and the free edge of the inclined surface is flush with or protrudes beyond the lower edge of the baffle plate.

The inclined plane can enable liquid splashed onto the splash plate to quickly slide downwards and be gathered into the liquid cabin again, the free edge of the inclined plane is flush with the lower edge of the baffle plate or protrudes out of the lower edge of the baffle plate, so that the liquid is difficult to enter a space surrounded by the baffle plate and the splash plate, and the liquid is further prevented from splashing onto the filter element.

In the above ventilation device, the circumferential direction of the air outlet pipe is provided with a gear ring, the lower shell is provided with a generator, an input shaft of the generator is provided with a gear, and the gear ring is in meshing transmission with the gear.

The kinetic energy of the rotation of the air outlet pipe is transmitted to the input shaft of the generator through gear transmission, so that the input shaft of the generator rotates to generate electricity, partial kinetic energy is recycled, and the effect of energy conservation is achieved.

In the above-described ventilation device, the liquid is purified water.

Compared with the prior art, the ventilation device has the following advantages:

1. the kinetic energy of the airflow is utilized through the airflow pipe to generate electricity, so that the energy is saved and the environment is protected.

2. Utilize filter equipment, carried out preliminary filtration to the air current, played the effect of protection fan.

3. The liquid is utilized to filter the airflow in advance, and the function of protecting the fan is achieved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a partial structural schematic diagram of the present invention.

Fig. 3 is a schematic view of the liquid level as the impeller rotates.

In the figure, 1, a lower shell; 1a, an inner concave part; 1b, a through hole; 2. an upper cover; 3. a filter element; 3a, a splash shield; 4. a baffle plate; 5. a retainer ring; 6. a liquid compartment; 7. a turbine wheel; 8. a driven magnet; 9. a driving magnet; 10. a magnetic fluid bearing; 11. a ring gear; 12. a generator; 12a, a gear; 13. a lower recess; 14. an impurity blocking net; 15. a control valve; 16. an air inlet pipe; 17. an air outlet pipe; 17a, a fan; 18. an impeller shaft sleeve; 19. an impeller.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, a ventilation device comprises a lower casing 1, an upper cover 2, and an air outlet pipe 17, wherein the upper cover 2 covers the upper end of the lower casing 1, the air outlet pipe 17 is communicated with the lower casing 1, the lower part of the lower casing 1 is provided with a liquid cabin 6, liquid is arranged in the liquid cabin 6, the middle part of the bottom surface of the lower casing 1 is provided with an inner concave part 1a with a circular cross section, the top of the inner concave part 1a is provided with a through hole 1b, the air inlet end of the air outlet pipe 17 is rotatably arranged in the inner concave part 1a, the end part of the air outlet pipe 17 is flush with the through hole 1b, the air outlet end of the air outlet pipe 17 is rotatably arranged on the air inlet end of a fan 17a, the position of the through hole 1b is higher than the liquid level of the liquid, the through hole 1b is provided with a filter element 3, the upper cover 2 is vertically provided with a baffle plate 4, and gaps, a gap is formed between the lower end of the baffle 4 and the liquid level of the liquid, guide vanes which can drive the air outlet pipe 17 to rotate when air flow passes through the air outlet pipe 17 are arranged in the air outlet pipe 17, a tubular impeller shaft sleeve 18 is rotatably arranged on the inner concave part 1a, a plurality of impellers 19 are arranged on the impeller shaft sleeve 18, the impellers 19 are positioned in the liquid, the impeller shaft sleeve 18 and the air outlet pipe 17 are coaxially arranged, a driven magnet 8 is arranged on the tubular impeller shaft sleeve 18, a driving magnet 9 corresponding to the driven magnet 8 on the impeller shaft sleeve 18 is arranged on the air outlet pipe 17, and a magnetofluid bearing 10 is adopted between the air outlet pipe 17 and the inner concave part 1a for magnetofluid rotary sealing.

After fan 17a opens, the air gets into from inlet channel, certain clearance has between the liquid level of baffle 4 lower extreme and liquid, can strike the liquid level downwards after making the air current get into, make impurity adsorbed by liquid, then the air current passes through filter core 3 and gets into outlet duct 17, filter core 3 can filter the impurity that contains in the air current once more, when the air current gets into outlet duct 17, the air current strikes guide vane, make outlet duct 17 rotate, when outlet duct 17 rotates, through magnetic force movable vane 19 synchronous revolution, thereby mix liquid, make the liquid level of keeping away from impeller 19 department under the effect of centrifugal force risees, make liquid and air current fully contact, can play the better effect of removing impurity, magnetic fluid bearing 10 can play good sealed effect and can reduce the turning resistance of outlet duct 17.

Specifically, the guide vane is a turbine 7, the turbine 7 and the air outlet pipe 17 are coaxially arranged, and the turbine 7 is fixed with the air outlet pipe 17 through a transverse support. The air outlet pipe 17 is driven to rotate by the impact of the air flow on the turbine 7, and the kinetic energy of the air flow is converted into the rotational kinetic energy of the air outlet pipe 17.

Specifically, a check ring 5 which can move up and down and is used for adjusting the gap between the lower shell 1 and the upper cover 2 is sleeved on the lower shell 1, and the check ring 5 is made of rubber. Utilize retaining ring 5 to reciprocate can be used for adjusting down the size in clearance between casing 1 and the upper cover 2, and then be used for adjusting the size that enters into the air current in casing 1 from inlet channel, retaining ring 5 of rubber material has deformable advantage, and removal and sealed effectual.

Specifically, the bottom of the liquid tank 6 has a lower recess 13, and a foreign substance blocking net 14 is provided in the lower recess 13.

Specifically, the upper edge of the foreign substance-blocking net 14 is lower than the impeller 19.

The function of the lower recess 13 is to make the impurities entering the liquid sink into the lower recess 13, and the impurity barrier net 14 can reduce the mutual flow of the liquid and prevent the impurities in the lower recess 13 from rising again with the agitated liquid flow.

Specifically, the impurity blocking mesh 14 has magnetism and can adsorb ferromagnetic impurities.

Specifically, an air inlet pipe 16 is arranged on the upper cover 2, the air inlet pipe 16 is communicated with the inner side of the upper cover 2, and a control valve 15 is arranged on the air inlet pipe 16. When the air entering the lower housing 1 from the air inlet passage flows through a small amount, the control valve 15 may be opened, so that the external air may enter the lower housing 1 through the air inlet pipe 16, and enter the air outlet pipe 17 after passing through the filter element 3.

Specifically, the top of the inner recess 1a is provided with a splash shield 3a, and the splash shield 3a is provided along the circumferential direction of the inner recess 1 a. The splash guard 3a prevents liquid from being splashed onto the filter element 3 due to the agitation of the impeller 19, thereby preventing the liquid from entering the blower 17a and damaging the blower 17 a.

Specifically, the edge of the splash shield 3a has a downward inclined surface with a gap from the lower edge of the baffle 4, and the free edge of the inclined surface is flush with the lower edge of the baffle 4 or protrudes beyond the lower edge of the baffle 4. The inclined surface may cause liquid that is splashed onto the splash plate 3a to slide down quickly and to pool again in the liquid tank 6,

the purpose of the free edge of the inclined surface being flush with the lower edge of the baffle plate 4 or projecting beyond the lower edge of the baffle plate 4 is to make it difficult for liquid to enter the space enclosed by the baffle plate 4 and the splash shield 3a, further avoiding the liquid from splashing onto the filter element 3.

Specifically, the outlet pipe 17 is circumferentially provided with a gear ring 11, the lower housing 1 is provided with a generator 12, an input shaft of the generator 12 is provided with a gear 12a, and the gear ring 11 is in meshing transmission with the gear 12 a.

The kinetic energy of the rotation of the air outlet pipe 17 is transmitted to the input shaft of the generator 12 through gear transmission, so that the input shaft of the generator 12 rotates to generate electricity, part of the kinetic energy is recovered, and the effect of energy conservation is achieved.

In the above-described ventilation device, the liquid is purified water. When the liquid in the liquid cabin 6 is lost due to evaporation and the like, the upper cover 2 can be directly detached from the upper end of the lower shell 1, and then purified water is added into the liquid cabin 6, so that the operation is simple and the cost is low.

In the ventilation device, the bottom of the lower concave part 13 is provided with the drain plug, the drain plug and the lower shell 1 are arranged in a sealing mode, the drain plug can be used for discharging impurities precipitated in the lower concave part 13, and the ventilation device is convenient and quick to operate.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A ventilation device comprises a lower shell (1), an upper cover (2) and an air outlet pipe (17), wherein the upper cover (2) covers the upper end of the lower shell (1), the air outlet pipe (17) is communicated with the lower shell (1), the ventilation device is characterized in that the lower part of the lower shell (1) is provided with a liquid cabin (6), liquid is arranged in the liquid cabin (6), the middle part of the bottom surface of the lower shell (1) is provided with an inner concave part (1a) with a circular cross section, the top of the inner concave part (1a) is provided with a through hole (1b), the air inlet end of the air outlet pipe (17) is rotatably arranged in the inner concave part (1a) and the end part of the air outlet pipe is flush with the through hole (1b), the air outlet end of the air outlet pipe (17) is rotatably arranged on the air inlet end of a fan (17a), the position of the through hole (1b) is higher than the liquid level of the liquid, the through, a baffle plate (4) is vertically arranged on the upper cover (2), gaps are arranged among the lower shell (1), the upper cover (2) and the baffle plate (4) to form a circuitous air inlet channel, gaps are arranged between the lower end of the baffle plate (4) and the liquid level of liquid, guide vanes which can drive the air outlet pipe (17) to rotate when air flow passes through the air outlet pipe (17) are arranged in the air outlet pipe (17), a tubular impeller shaft sleeve (18) is rotatably arranged on the inner concave part (1a), a plurality of impellers (19) are arranged on the impeller shaft sleeve (18), the impellers (19) are positioned in the liquid, the impeller shaft sleeve (18) and the air outlet pipe (17) are coaxially arranged, a driven magnet (8) is arranged on the tubular impeller shaft sleeve (18), and a driving magnet (9) corresponding to the driven magnet (8) on the impeller shaft sleeve (18) is arranged on the air outlet pipe (17), the magnetic fluid rotary seal is carried out between the air outlet pipe (17) and the inner concave part (1a) through a magnetic fluid bearing (10), a gear ring (11) is arranged in the circumferential direction of the air outlet pipe (17), a generator (12) is arranged on the lower shell (1), a gear (12a) is arranged on an input shaft of the generator (12), and the gear ring (11) and the gear (12a) are in meshing transmission.

2. The ventilation device according to claim 1, characterized in that an air inlet pipe (16) is arranged on the upper cover (2), the air inlet pipe (16) is communicated with the inner side of the upper cover (2), and a control valve (15) is arranged on the air inlet pipe (16).

3. The ventilation device according to claim 2, characterized in that a splash shield (3a) is provided at the top of the recess (1a), the splash shield (3a) being provided circumferentially along the recess (1 a).

4. A ventilation device according to claim 3, characterized in that the edge of the splash shield (3a) has a downwardly inclined surface with a gap to the lower edge of the baffle (4), the free edge of the inclined surface being flush with the lower edge of the baffle (4) or protruding beyond the lower edge of the baffle (4).

5. A ventilation arrangement according to claim 4, characterized in that the bottom of the liquid compartment (6) has a lower recess (13), in which recess (13) a foreign-matter barrier net (14) is arranged.