CN203837212U - Air cleaner - Google Patents

Abstract

Disclosed is an air cleaner. According to the air cleaner, air sucked in by an air feeder is purified and then blown out through a blowout port (17), the blowout port (17) is horizontally arranged, the vertical height (H1) of the middle of the blowout port (17) in the horizontal direction is larger than the vertical heights (H2) of the ends of the blowout port (17) in the horizontal direction, multiple air guide plates (17a) are arranged at the position of the blowout port (17) at intervals side by side in the horizontal direction, the surfaces of the air guide plates (17a) are longitudinal in the vertical direction and the blowout direction and cross over the horizontal ends, the portion, facing the flow-out side, of each plate surface is open towards the horizontal and outward direction, the air ventilation end is connected with the flowing-in side of the blowout port (17), the cross section orthogonal to the ventilation direction is a horizontal ventilation path, the air feeder is a cross-flow fan arranged on the ventilation path, and a rotary shaft of the air feeder is arranged in the length direction of the horizontal cross section of the ventilation path.

Description

air cleaner

technical field

The utility model relates to an air cleaner for providing purified air, ions and the like indoors. the

Background technique

In the past, the following structure of the air cleaner is known: the air sucked in from the outside by the blower fan flows through the ventilation path, and the harmful substances contained in the air are removed and purified by the purification filter installed in the ventilation path, and the ion Ions generated by the generator are blown out from a horizontally long rectangular outlet together with purified air (see Patent Document 1). the

prior art literature

patent documents

Patent Document 1: JP-A-2009-142356 Gazette

Utility model content

Problems to be solved by the utility model

The conventional air cleaner has the problem that when the air velocity of the air containing ions blown out from the outlet is fast, the user will feel cold when the wind directly hits the user (especially in winter, it is likely to be a problem). In this case, discomfort can be eliminated by reducing the blown air volume and reducing the wind speed. However, there is a problem that when the blowing air volume decreases, the amount of purified air supplied to the room decreases, and the ion concentration also decreases. the

This invention is made|formed in view of the said situation, It aims at providing the air cleaner which can maintain the supply efficiency of clean air etc. to a room etc., while preventing the uncomfortable feeling by the blowing wind from an outlet. the

solutions to problems

The air cleaner of the present utility model purifies the air sucked in from the outside by the blower and blows it out from the outlet. The outlet is horizontally long, and the vertical width of the central part in the horizontal direction is wider than that of the end parts. It is characterized in that it has One end in the ventilation direction is connected to the inflow side of the above-mentioned air outlet, and the section perpendicular to the ventilation direction is a horizontally long ventilation path, and the direction of the rotation axis of the above-mentioned blower is in the form of a longitudinal direction along the horizontally long cross-section of the above-mentioned ventilation path. A cross-flow fan arranged in the above ventilation path. the

According to the present invention, the air sucked in by the air blower from the outside is purified, and the purified air is blown out to the outside from the horizontally long blower outlet whose vertical width at the central part is wider than that at the end parts. Here, when the air volume of the purified air flowing into the outlet from the inside side is substantially uniformly distributed in the lateral direction, the area per unit width in the lateral direction of the horizontally long outlet is wider at the center than at the ends, and the wind speed It is calculated by area degassing volume, therefore, the wind speed in the center is slower than that in the end. the

The air cleaner of the present utility model is characterized in that one end in the ventilation direction is connected to the inflow side of the above-mentioned air outlet, and the section perpendicular to the ventilation direction is a horizontally long ventilation path, and the above-mentioned air blower is along the direction of the rotation axis. The cross-flow fan of the said ventilation path is arrange|positioned so that the longitudinal direction of the cross-section of a ventilation path may be long. the

According to the present invention, in the ventilation passage in which one end of the ventilation direction is connected to the inflow side of the horizontally long outlet, the direction of the rotation axis is arranged along the length direction of the horizontally long cross-section of the ventilation passage. The rotation works, so that the air sucked in from the outside flows through the ventilation passage of the horizontal cross section, and blows out to the outside from the horizontal blowing outlet. As a result, the purified air is blown out in a stable laminar flow state, so that the purified air can be efficiently supplied to a room or the like. the

The air cleaner of the present utility model is characterized in that at the above-mentioned blowing outlet, a plurality of wind direction plates are arranged side by side at intervals in the transverse direction, and the board surfaces of the above-mentioned plurality of wind direction plates form a longitudinal posture along the up-down direction and the blowing direction, and the more located On the lateral end side, the plate surface opens laterally outward toward the outflow side. the

According to the utility model, the board surface forms a vertical posture along the up-down direction and the blowing direction, and a plurality of wind direction boards are arranged side by side at intervals in the transverse direction. Therefore, the distance between the outflow side and the inflow side of the laterally adjacent louver becomes larger, and as a result, the wind velocity of the blown air from the blower outlet decreases, and the uncomfortable feeling caused by hitting the blown wind can be further reduced. the

An air cleaner according to the present invention is characterized in that it is provided with an ion generator, and the ions generated by the ion generator are blown out from the blower port together with the above-mentioned purified air. the

According to the present invention, the ions generated by the ion generator are blown out from the horizontally long outlet together with the air sucked and purified from the outside, so that the ions can be supplied to the room etc. to effectively eliminate bacteria in the air. the

Utility Model Effect

The utility model provides an air cleaner, which blows out purified air to the outside from a horizontally long blower outlet whose upper and lower widths of the central part in the transverse direction are wider than that of the end parts, so that the wind speed in the central part can be slowed down, thereby preventing the The discomfort caused by the blown air from the outlet, and the wind speed can be increased at the end to ensure the overall air volume, and maintain the efficiency of providing clean air to the room. the

Description of drawings

Fig. 1 is an external perspective view of the front side of the air cleaner related to the present invention. the

Fig. 2 is a front view of the air cleaner shown in Fig. 1 . the

Fig. 3 is a partially enlarged front view of the air cleaner shown in Fig. 1 . the

Fig. 4 is an enlarged top sectional view of a part of the air cleaner shown in Fig. 1 . the

Fig. 5 is a side view of the air cleaner shown in Fig. 1 . the

Fig. 6 is a side sectional view of the air cleaner shown in Fig. 1 . the

Fig. 7 is a front sectional view of the air cleaner shown in Fig. 1 . the

Detailed ways

Hereinafter, embodiment of the air cleaner of this invention is demonstrated based on drawing. Fig. 1 is the appearance perspective view of the front side of the air cleaner of the present utility model, Fig. 2 is the front view of the air cleaner, Fig. 3 is a front view of a part of the air cleaner enlarged, Fig. 4 is the air cleaner Figure 5 is a side view of the air cleaner, Figure 6 is a side sectional view of the air cleaner, and Figure 7 is a front sectional view of the air cleaner. the

The air cleaner of the present invention is equipped with a housing 1 in the shape of a vertically erected rectangular box, and the inside of the housing 1 is divided front and rear by a partition wall 11 ( FIG. 6 ). Approximately half of the upper side of the partition wall 11 is inclined rearward. the

On the rear side of the partition wall 11, a filter housing portion 1a for housing various filters for purification is formed. The filter housing part 1a is a space opened on the rear side of the housing 1 and recessed in a rectangular parallelepiped shape. In the filter housing part 1a, the deodorizing filter 7a and the dust collection filter are housed in an overlapping state in order from the rear side. 7b. the

The deodorizing filter 7a has the function of adsorbing acetaldehyde, ammonia, acetic acid, etc. Activated carbon is uniformly dispersed on the woven fabric, and the activated carbon is covered with a non-woven fabric made of polyester. the

The dust collection filter 7b has a function of capturing and collecting fine dust, and is composed of a so-called HEPA (High Efficiency Particulate Air: high-efficiency air particulate) filter. The HEPA filter has the following structure: the hot melt adhesive sprayed non-woven fabric processed by calcium carbide is added to the aggregate including polyester/vinylon non-woven fabric as the filter material, and it is folded and overlapped on the upper and lower surfaces. An antibacterial sheet made of nonwoven fabric processed with hydroxyapatite was bonded by thermocompression, and a frame made of nonwoven fabric with hot melt adhesive was welded. the

The removable rear panel 2 which covers the opening of the filter housing part 1a is provided. The rear panel 2 prevents the deodorization filter 7a and the dust collection filter 7b from coming off from the filter housing part 1a. The rear panel 2 is formed in a substantially rectangular plate shape, has suction ports 2a including a plurality of small holes formed in a matrix, and has a mesh-shaped fiber sheet attached thereto. the

The humidification filter unit 3 and the water tank 4 are arrange|positioned at the front side of the dust collection filter 7b. The water tank 4 is placed on the bottom plate of the housing 1 and can be drawn out from one side of the housing 1 together with the humidification filter unit 3 supported by the water tank 4 . the

The humidification filter unit 3 has water absorption and air permeability, and includes a disc-shaped water absorption filter 31 folded in a zigzag shape and an annular holding frame 30 for accommodating and holding the water absorption filter 31 . The water absorption filter 31 is produced by perforating a filter material having an appropriate thickness. The holding frame 30 is made of synthetic resin. the

On the outer peripheral surface of the holding frame 30 , a ring gear 32 having teeth formed over the entire circumference is provided at the central portion in the width direction. In the lower part of the water tank 4 , two drum-shaped support rollers 6 , 6 whose axes are along the width direction of the water tank 4 are arranged in two parts in the longitudinal direction of the water tank 4 . Each support roller 6 is rotatably supported by both side walls of the water tank 4 in the width direction. the

Each support roller 6 is transferred to both side surfaces of the ring gear 32, thereby supporting the holding frame 30 of the humidification filter unit 3 from below, and positioning the water tank 4 in the width direction. The lower part of the humidification filter unit 3 is inserted into the inside of the water tank 4, and it is supported in the vertical standing posture. the

The ring gear 32 of the holding frame 30 meshes with the driving gear 51 of the driving unit 5 arranged above the holding frame 30 . The driving unit 5, except the driving gear 51, has a transmission gear meshed with the driving gear 51 and a driving motor (not shown) whose output shaft is connected to the transmission gear, and is fixed to an appropriate position in the housing 1. the

An air duct cover 12 is attached to the front side of the partition wall 11 . The air duct cover 12 includes a lower cylindrical portion 12a and a flat upper square cylindrical portion 12b (where the partition wall 11 side is open) whose lower end is connected to the outer peripheral portion of the cylindrical portion 12a. Cylindrical portion 12a has circular bottom wall portion 12a1 substantially parallel to the lower portion of partition wall 11 , and side wall portion 12a2 connecting the entire periphery of the edge portion of bottom wall portion 12a1 to partition wall 11 . The square tube portion 12b has a wall portion 12b1 inclined rearward facing substantially parallel to the upper portion of the partition wall 11 , and a side wall portion 12b2 connecting the entire periphery of the edge portion of the wall portion 12b1 to the partition wall 11 . the

On the front side of the humidification filter unit 3 , the air blower 8 is disposed through the partition wall 11 , and a plurality of ventilation holes 11 a communicating with the air blower 8 are formed in the lower part of the partition wall 11 . The blower 8 includes a fan 81 and a fan motor 82 that rotates the fan 81 , and the fan motor 82 is fixed to the bottom wall 12 a 1 of the air passage cover 12 . The fan 81 is a turbo fan, but other propeller fans and cross-flow fans can also be used. The fan motor 82 uses a DC motor with emphasis on ease of drive control. the

A space located above the air blower 8 and surrounded by the partition wall 11 and the square tube portion 12 b of the air passage cover 12 is formed in the blowing air passage 13 . The rear portion of the upper surface of the housing 1 is inclined so as to be lower than the front portion, and an upwardly opening air outlet 15 communicating with the air outlet 13 is provided on the inclined rear portion. The air outlet 15 is provided with a wind direction plate 15a. The wind direction plate 15a can change the direction of blown air within a predetermined range from the oblique rear side to the upper side. the

The fan 81 is rotated by the drive of the fan motor 82 of the blower 8, sucks outside air (indoor air) from the suction port 2a of the rear panel 2, and the sucked air is purified as it passes through the deodorizing filter 7a and the dust collecting filter 7b. Odor-free, dust-free air. The purified air is humidified by the water absorption filter 31 , or sucked into the center of the fan 81 through the vent hole 11 a of the partition wall 11 without being humidified. The air sucked into the center of fan 81 passes between the fan blades and is blown out from the outer periphery of fan 81 , flows through blowing air passage 13 , is guided upward, and is blown out into the room from blowout port 15 . the

On the front side of the square tube part 12b of the air duct cover 12 inclined to the rear, there is provided a ventilation duct 20, which has a substantially "く" shape when viewed from the suction port 18 opened on the front of the casing 1 in cross section. Bend and extend upwards, until the blowing outlet 17 that is located at the front upper part of shell 1. The air passage 20 is a space surrounded by the rear wall 20a, the front wall 20b, and the side walls 20c connecting the edge portions on both sides of the rear wall 20a and the front wall 20b. the

The blower outlet 17 is formed in a horizontally elongated substantially oblong or elliptical shape in front view, and its vertical width continuously narrows toward the end portions such that the vertical width H1 at the central portion in the horizontal direction is wider than the vertical width H2 at both ends. The air outlet 17 includes a plurality of wind direction plates 17 a in a vertical posture and a horizontal wind direction plate 17 b arranged side by side at intervals in the horizontal direction. The wind direction plate 17 a of the vertical posture is located at both ends in the horizontal direction, and the plate surface is opened laterally outward toward the outflow side ( FIG. 4 ). As a result, the flow of air blown forward from the air outlet 17 can be widened in the lateral direction. The horizontal wind direction board 17b is for making the flow of the air blown out to the front side into a substantially horizontal state. In addition, the wind direction board 17a of a vertical posture and the wind direction board 17b of a horizontal direction comprise the integrally-molded member. the

A cross-flow fan 21 in which a rotating shaft 21b of a fan 21c is attached and arranged laterally is provided at a position near the air outlet 17 of the ventilation passage 20 . The rotation shaft 21b is rotatably supported by the side walls 20c on both sides of the ventilation path 20 . The drive motor 21a of the cross-flow fan 21 is provided outside the ventilation path 20, and the output shaft of the motor 21a is arrange|positioned coaxially with the rotation shaft 21b. the

The suction port 18 has a rectangular opening whose lateral width is the same as that of the blowing port 17 and whose vertical width is wider than that of the blowing port 17 , in which the central portion of the lower edge is convex on the lower side in a front view. The upper part of the suction port 18 is located on the front side of the cross-flow fan 21, and the lower part is located on the lower side of the cross-flow fan 21 and is inclined to the front side. In addition, the suction port 18 is located above the suction port 2 a provided on the rear panel 2 . Specifically, the upper end of the suction port 18 is located higher than the uppermost suction port 2a, and the lower end of the suction port 18 is lower than the uppermost suction port 2a, but located above approximately half the height of the housing 1. The position on the side is located higher than the suction port 2a at the lowest position. the

A dustproof filter 19 is attached to the suction port 18 in a vertical posture, and the upper part of the dustproof filter 19 is inclined forward with respect to the lower part so as not to contact the cross flow fan 21 . The front panel 23 is fixed to the casing 1 to hang down from the casing 1 so as to cover the front side of the suction port 18 and the dustproof filter 19 . The front panel 23 matches the shape of the suction port 18 so that the central portion of the lower edge portion is convex in the lower side when viewed from the front, or the central portion is curved in the left-right direction so as to protrude forward. the

The wall surface between the cross-flow fan 21 of the ventilation path 20 and the blower outlet 17 is equipped with an ion generator 22 that produces positive and negative ions. The needle-shaped discharge electrodes (not shown) of the ionizer 22 are provided in such a manner as to be exposed to the air duct, and a voltage including an AC waveform or a pulse waveform is supplied to the discharge electrodes from a power supply unit (not shown), so that the discharge electrodes generate ion. the

When the motor 21a of the cross-flow fan 21 and the ion generator 22 are driven, ions generated by the ion generator 22 are added to the air sucked by the cross-flow fan 21 from the air outlet 17, and the air containing ions is blown out from the air outlet 17 to the front side. . the

In the case where the applied voltage of the discharge electrode is a positive voltage, the ions combine with moisture in the air to generate positive ions mainly including H ⁺ ( _H2O ) _m . In the case where the applied voltage of the discharge electrode is a negative voltage, the ions are combined with moisture in the air to generate negative ions mainly including O ₂ ^- (H ₂ O) _n . Among them, m and n are arbitrary natural numbers. H ⁺ (H ₂ O) _m and O ₂ ⁻ (H ₂ O) _n agglomerate on the surfaces of airborne planktonic bacteria and odor components to surround them.

In addition, as shown in formulas (1) to (3), [·OH] (hydroxyl radical) and H ₂ O ₂ (hydrogen peroxide), which are active species, are aggregated on the surface of microorganisms and the like by collision to destroy the planktonic Bacteria and odor components. However, m' and n' are arbitrary natural numbers. Therefore, by generating positive ions and negative ions and blowing them out from the air outlet 17, it is possible to perform sterilization and deodorization near the user.

H ⁺ (H ₂ O) _m + O ₂ ^- (H ₂ O) _n →·OH+1/2O ₂ +(m+n)H ₂ O...(1)

H ⁺ (H ₂ O) _m +H ⁺ (H ₂ O) _m '+O ₂ ^- (H ₂ O) _n +O ₂ ^- (H ₂ O) _n '→2·OH+O ₂ +(m+ m'+n+n') H ₂ O...(2)

H ⁺ (H ₂ O) _m +H ⁺ (H ₂ O) _m '+O ₂ ^- (H ₂ O) _n +O ₂ ^- (H ₂ O) _n '→H ₂ O ₂ +O ₂ +(m +m'+n+n') H ₂ O...(3)

In addition, in this embodiment, positive ions and negative ions are generated by the ion generator 22, but only negative ions may be generated. the

The casing 1 includes a front cover 16 covering the front side of the air duct cover 12 at the lower front portion. The front cover 16 has an upper inclined surface 16 a that slopes gently toward the rear as it goes toward the upper side. The front cover 16 has a laterally extending groove portion 16c at a lower end portion, and the bottom of the groove portion 16c is open. The upper inclined surface of the groove portion 16c forms a lower inclined surface 16b that is steeply inclined toward the rear as it goes lower. the

A plurality of wheels 9 with locking mechanisms are mounted on the bottom surface of the casing 1 . Can release the locking mechanism of wheel 9 and after air cleaner is moved to indoor suitable position, make locking mechanism work and be set to the state that air cleaner can not move on the ground like this. the

The flow of air generated by the air cleaner constructed as above will be described below. The air cleaner is installed on the floor F next to the wall W. The clean air blown out obliquely from the outlet 15 on the upper surface passes through the wall W on the back side, the ceiling, and the wall (not shown) on the opposite side, circulates indoors, and then returns to the front side of the air cleaner. to the front cover 16. The air hitting the upper portion of the front cover 16 flows along the upper inclined surface 16a, passes through the gap between the front panel 23 and the upper inclined surface 16a, and is sucked by the ion suction port 18. Dust is removed from the air sucked by the suction port 18 by the dustproof filter 19 , ions are added to the air while flowing through the ventilation passage 20 , and the air is blown forward from the blower port 17 . In addition, the air blown to the front side from the air outlet 17 is also circulated and returned to the front side of the air cleaner. the

On the other hand, the air hitting the lower portion of the front cover 16 enters the groove portion 16c, flows along the lower inclined surface 16b, and flows between the bottom surface and the floor F to reach the back side, and is sucked by the suction port 2a. The air sucked by the suction port 2a is purified and humidified (or not humidified) through the deodorizing filter 7a, the dust collecting filter 7b, and the humidifying filter unit 3, and is blown out from the blowing port 15 on the upper surface. Next, such air circulation is repeated. the

In the present utility model, the generated ions also include charged microparticle water. In this case, the ion generator includes an electrostatic atomization device, and the electrostatic atomization device generates charged fine particle water including radical components. That is, the discharge electrode provided in the electrostatic atomization device is cooled by the Peltier element, thereby generating dew condensation water on the surface of the discharge electrode. Then, when a negative high voltage is applied to the discharge electrode, charged fine particle water is generated from the dew condensation water. In addition, charged fine particle water is generated from the discharge electrode, and negative ions released into the air are also generated. the

In the above-mentioned embodiment, the horizontally long blower outlet 17 is formed into a substantially oblong or elliptical shape, and the vertical width is continuously narrowed from the wide central part to the end part side. It narrows stepwise from the central part toward the end part side. the

In the above-mentioned embodiment, only the dust-proof filter 19 is arranged in the ventilation passage 20, but in order to improve the cleaning ability, it is also possible to arrange the same deodorizing filter and dust-collecting filter as the deodorizing filter 7a and the dust-collecting filter 7b. device. the

In addition, it should be considered that all the contents of the embodiments disclosed here are examples and not restrictive. It is intended that the scope of the present invention includes all modifications within the claims and the scope equivalent to the claims. the

Explanation of reference signs

17 outlet

17a Wind direction board

20 Ventilation Road

21 cross flow fan (blower)

21b Rotation axis

22 ion generator

Claims (3)

1. An air cleaner that purifies the air sucked in from the outside by a blower and blows it out from the outlet, The above-mentioned blowing outlet is horizontally long, and the vertical width of the central part in the horizontal direction is wider than the vertical width of the end part, and it is characterized in that, One end with the ventilation direction is connected to the inflow side of the above-mentioned outlet, and the section perpendicular to the ventilation direction is a horizontally long ventilation path, The blower is a cross-flow fan arranged in the ventilation passage so that the direction of the rotation axis follows the longitudinal direction of the horizontally long cross-section of the ventilation passage. the 2. The air cleaner according to claim 1, characterized in that, At the blowing outlet, a plurality of wind direction boards are arranged side by side at intervals in the horizontal direction, and the board surfaces of the above-mentioned multiple wind direction boards form a vertical posture along the up-down direction and the blowing direction, and the more the wind direction boards are located on the lateral end side, the more the board faces flow out. Opens laterally and outwardly. the 3. The air cleaner according to claim 1 or 2, characterized in that, An ion generator is provided, and ions generated by the ion generator are blown out from the outlet together with the purified air. the