JPH1137085A - Blower and blowing unit using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a sufficient gas quantity, deviate a blow-off air flow so as to rectilinearly advance against a suction air flow, and enlarge the directional range of the suction air flow, by providing a projection on a front guider and a curved part curving outside the blow-off air flow passage on the extreme end part of a rear guider. SOLUTION: On the extreme end part of the front guider 106 in a blow-off air flow passage 4 formed by a rear guider 107 and a front guider 106, a projection 6 projecting into the blow-off air flow passage 4, and on the extreme end part of the rear guider 107 forming the blow-off air flow passage 4, a curved part 7 curving outside the blow-off air flow passage 4, so that the angle formed by a suction air flow and a blow-off air flow 112 is generated to be nearly rectilinear. When the blow-off air flow 112 is guided with the front guider 106 and the rear guider 107 and reached to the projection 6 provided in the blow-off air flow passage 4, the projection 6 becomes an obstacle to the blow-off air flow 112, the blow-off air flow 112 is separated from the front guider 106, stuck to the A part of the curved part 7 by a Coanda effect, and blown off along the curved part 7, and hence the blow-off air flow 112 is deviated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a blower used for ventilation and air conditioning.

[0002]

2. Description of the Related Art Conventionally, this type of blower is disclosed in
The thing described in 64085 gazette is known.

The blower will be described below with reference to FIGS.
This will be described with reference to FIG. As shown in FIG.
The front guider 106 and the rear guider 107 determine the airflow direction of the crossflow impeller 103 attached to the side plates 104 and 105 that rotatably support the crossflow impeller 103 driven by the second guider 106 and guide the airflow to the outlet. And a blown airflow 11 composed of a pair of side plates
2, the front guider 106 and the rear guider 107 are variably provided, and are mounted on the side plates 104 and 105 so that the mounting position is changed in a stepwise manner. The blowing is performed by changing the mounting position of the front guider 106 and the rear guider 107. The angle can be changed.

[0004]

In such a conventional blower 101, the angle between the intake airflow and the blowout airflow is 9 degrees.
When installed in a flat space close to 0 °, for example, at the ceiling, under the floor, and between the double floor and the slab, it is necessary to secure a space for suction, and in such a small space, the device is required. The thickness in the height direction is limited, so reducing the height required for installation is an important issue.In order to eliminate the need for a space for suction, it is necessary to ensure that the suction air flow and the blow air flow straight. However, in the conventional blower 101, the angle between the intake airflow and the blowout airflow is set to 1
When the angle is close to 80 °, the blowout airflow guided by the rear guider 107 is separated, and the direction of the airflow is changed to the direction of the rear rear guider 1.
There is a problem that the amount of the blown air decreases as the distance to the 07 side increases, and it is required that the amount of the blown air be sufficiently obtained and that the blown air flow go straight with respect to the suction air flow.

[0005] As shown in FIG. 11, the suction side and the blowing side are separated by a wall 111, and a conventional blower 1 is formed so that a blowing airflow 112 is generated perpendicular to the wall 111.
01 is installed, the inflow opening 113 of the blower 101
Is perpendicular to the wall, and the direction of the airflow sucked into the blower 101 from the surroundings is restricted to the direction parallel to the wall 111. Therefore, the range of the direction of the airflow sucked from the surroundings to the blower 101 is increased. Is required.

[0006] The angle of the blown air flow can be changed by adjusting the side plates 104, 1 of the rear guider 107 and the front guider 106.
There is a problem that the work is difficult because the operation is performed by changing the mounting position on the airbag 05, and it is required that the angle of the blown airflow can be easily adjusted.

Another problem is that the angle of the blown airflow is manually changed, and it is required that the angle of the blown airflow can be automatically adjusted.

As shown in FIG. 12, for example, in a blower unit 108 in which an airflow is sucked from a lower part of a blower unit 108 and an airflow is blown out from an upper part of the blower unit 108, the blowout airflow is straightened in response to the sucked airflow. When the conventional blower 101 is used, the blower 101 is disposed in the blower unit 108 such that the outlet of the blower 101 is directed upward, and an air passage for deflecting the air flow direction is provided in the blower unit 108 to provide air cleaning. In order to secure the air passage area of the filter 109, the air passage area 110 must be formed, and there is a problem that the blower unit 108 becomes large. It was difficult to reduce the size.

In addition, there is no thin air blow unit capable of absorbing moisture by allowing the blow air flow to go straight with respect to the intake air flow, and a thin air blow unit capable of absorbing moisture is required.

In addition, there is no thin air blow unit capable of adding a scent to the blown air due to the blow air flowing straight with respect to the suction air flow, and a thin air blow unit capable of adding a scent is demanded.

The present invention solves such a conventional problem, and provides a sufficient air flow, deflects the blown air flow so as to go straight with respect to the sucked air flow, and further reduces the suction air flow. To provide a blower capable of expanding the range of directions, adjusting the angle of the blown airflow, and automatically adjusting the angle of the blown airflow,
It is an object of the present invention to provide a blower unit that can reduce the size of a blower unit while maintaining the air passage area of the air purifier, can absorb moisture, and can add a scent.

[0012]

In order to achieve the above object, a blower according to the present invention has a blower at a blow end of a blower air path.
The Coanda effect of the projection provided on the front guider and the curved portion at the tip of the rear guider prevents separation of the airflow from the rear guider, and deflects the angle of the blown airflow by blowing the blown airflow along the curved portion.

According to the present invention, it is possible to obtain a blower which can obtain a sufficient amount of air without adding excessive resistance and can deflect the blown airflow so as to go straight with respect to the suction airflow.

Another means is that an inflow opening to the blower is provided so as to face a blow air path with a cross-flow type impeller interposed therebetween.

According to the present invention, when the blower is installed so that the suction side and the blowout side are separated by the wall and the blown air flow is generated perpendicular to the wall, the suction opening is formed parallel to the wall, and Since the inflow range is expanded without restricting the inflow direction of the airflow flowing into the cross-flow type impeller from above, a blower capable of expanding the range in the direction of the suction airflow is obtained.

Further, another means is to adjust the height of the projection projecting into the blowing air path to adjust the separation of the blowing air stream from the front guider, and to deflect the degree of adhesion of the blowing air stream to the curved portion of the rear guider. By doing so, the deflection angle of the blown airflow is adjusted.

According to the present invention, a blower capable of adjusting the angle of the blown air flow is obtained. Another means is to connect the projection height adjusting device and the driving device, and adjust the projection height by the driving device by the projection height adjusting device.

According to the present invention, a blower capable of automatically adjusting the angle of the blown air flow is obtained. Another means is to provide air purifying means inside the air passage of the blower unit.

According to the present invention, the size of the blower unit is reduced while maintaining the air passage area of the air purifier.

Another means is that a moisture absorbing means is provided inside the air passage of the blower unit.

According to the present invention, a blower unit capable of absorbing moisture is obtained. Another means is to provide a fragrance adding means inside the air passage of the blowing unit.

According to the present invention, a blowing unit to which a scent can be added can be obtained.

[0023]

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cross-flow type impeller driven by a motor, a pair of side plates for rotatably supporting the cross-flow type impeller, and suction upstream of the cross-flow type impeller. A guide that constitutes a guide wind path;
A rear guider for guiding an air flow generated by rotation of the cross-flow type impeller is mounted between the side plates in a rotational blowing direction, and a front guider forming a tongue is sandwiched between the cross-flow type impeller and opposed to the rear guider. Attached between the side plates, a projection protruding into the blowing air path at a tip of the front guider in a blowing air path formed by the rear guider and the front guider, and a tip of the rear guider forming the blowing air path. By providing a curved portion outside the blowing air path, an angle between the suction air flow and the blowing air flow is generated substantially linearly.To achieve the above object, at the blowing end of the blowing air path, The protrusion provided on the front guider and the Coanda effect of the curved part at the tip of the rear guider prevent air flow from separating from the rear guider, It has the effect of deflecting the angle of blowing airflow by causing blown blowing airflow along the section.

A cross-flow type impeller driven by a motor, a pair of side plates rotatably supporting the cross-flow type impeller, and an airflow generated by rotation of the cross-flow type impeller. The front guider forming the tongue is sandwiched between cross-flow type impellers, and the rear guider is attached between the side plates facing the rear guider, and is formed by the rear guider and the front guider. Provided at the tip of the front guider in the blow air path is a projection that projects into the blow air path, and a curved portion that curves outside the blow air path at the tip of the rear guider that configures the blow air path.
An inflow opening formed by the rear guider and the front guider up to an outer peripheral portion of the crossflow impeller, and an upstream opening of the crossflow impeller, and the rear guider and the front downstream of the crossflow impeller. The blow-out air path formed by a guider is opposed to the cross-flow type impeller with the cross-flow type impeller interposed therebetween, and a range of an inflow direction of an airflow from a periphery to the blower to the blower is expanded. Can be.

[0025] Further, a protruding portion that protrudes and moves into the blow-out air passage at a front end portion of the front guider in the blow-out air flow passage, and a protrusion height adjustment that adjusts a protruding height of the protrusion portion into the blow-out air flow passage Means for adjusting the height of the projection protruding into the blow air path, thereby adjusting the separation of the blow air stream from the front guider and deflecting the degree of adhesion of the blow air stream to the curved portion of the rear guider. Thereby, the deflection angle of the blown airflow can be adjusted.

Further, a driving means connected to the projection height adjusting means is provided, and has an effect that the angle of the blown air flow can be automatically adjusted.

[0027] Further, the air purifying unit is characterized in that the air purifying means is provided inside the air passage of the blower described above, and it is possible to reduce the size while maintaining the air passage area of the air purifying means. Having.

A blower unit characterized in that a moisture absorbing means is provided inside the air passage of the blower described above,
The moisture of the suction airflow has an effect of being absorbed and blown out by the moisture absorbing means inside the suction air passage.

[0029] Further, in the blower unit, the fragrance adding means is provided inside the air passage of the blower described above, wherein the suction airflow is scented and blown out by the fragrance adding means inside the air passage. Has an action.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0031]

【Example】

(Embodiment 1) Hereinafter, the same portions as those of the conventional example are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 1 and FIG.
2, a pair of side plates 104 and 105 rotatably supporting the cross-flow impeller 103, and a suction guide air path 1 upstream of the cross-flow impeller 103. The inflow wall 2 and the rear guider 107 for guiding the airflow generated by the rotation of the cross-flow impeller 103 are connected to the side plates 104 and 10.
Front guider 10 attached between the five to form the tongue 3
6 is interposed between the side plates 104 and 105 facing the rear guider 107 with the cross-flow type impeller 103 interposed therebetween. The angle formed by the suction airflow and the blowout airflow 112 is substantially linear by providing the protrusion 6 projecting into the passageway 4 and the curved portion 7 at the tip of the rear guider 107 constituting the blowout airflow path 4 so as to curve outside the blowout airflow path 4. It is configured to be generated in the form of a circle.

In this embodiment, the air flow generated by the rotation of the cross-flow impeller 103 is guided by the rear guide 107 to the blowing air path 4 in this embodiment.
The air flow 112 is substantially perpendicular to the suction opening, and
Is blown out along the blow-off air passage 4 formed so as not to be separated at an upstream portion in the blow-out air flow passage 4, so that the blow-out air flow 112 proceeds straight with respect to the suction air flow. Further, the blown air flow 112 is generated by the front guider 106 and the rear guider 10.
When the blowout airflow 112 reaches the protrusion 6 which is guided by the front guider 106 and is provided at the downstream end of the front end of the front guider 106 in the blowout airway 4, the protrusion 6 obstructs the blowout airflow 112, and the blowout airflow 112 Peeled from the curved portion 106, adhered to the curved portion 7 at the portion A by the Coanda effect, and began to be blown out along the curved portion 7, and the blown air flow 112
Can be deflected.

For example, FIG. 3 shows the experimental results of the relationship between the value obtained by dividing the protrusion height of the projection 6 into the blow-out air passage 4 by the diameter of the cross-flow type impeller 103, the blow-out angle, the flow coefficient and the static pressure coefficient. In the drawing, the blowing angle θ is 0 degrees when the suction airflow and the blowing airflow go straight. As can be seen from the figure, the blowing angle changes according to the height of the protrusion, and the higher the height of the protrusion, the straighter the blown air flow. Also, since the flow coefficient decreases as the projection height increases, the deflection height of the projection 6 is divided by the diameter of the cross-flow type impeller 103 in order to deflect the blowing airflow while maintaining the blowing air volume. Is desirably 0.08 or less.

(Embodiment 2) In the following, the same parts as those in the conventional example and the above-mentioned embodiment are denoted by the same reference numerals, and detailed description will be omitted.

As shown in FIG. 4, a cross flow type impeller 103 driven by a motor 102 and a pair of side plates 104 rotatably supporting the cross flow type impeller 103.
And 105, and a rear guider 107 for guiding airflow generated by rotation of the cross-flow impeller 103
Is mounted between the side plates 104 and 105 in the direction of the rotational blowing, a front guider 106 forming the tongue 3 is sandwiched between the cross-flow type impellers 103, and is mounted between the side plates 104 and 105 so as to face the rear guider 107.
07 and the front end of the front guider 106 in the outlet air passage 4 formed by the front guider 106.
A configuration in which the angle formed by the blown airflow is substantially linearly provided by providing a curved portion 7 that is curved outside the blowout airflow path 4 at the tip of the projection 6 that protrudes inward and the rear guider 107 that forms the blowout airflow path 4. Has become.

In the above configuration, when the blower 101 is installed so that the suction side and the blowout side are separated by the wall 111 and the blowout airflow 112 is generated perpendicular to the wall 111, the cross-flow type impeller 103 rotates. Accordingly, the surrounding air is sucked into the blower 101 from the inflow opening 113 provided upstream of the cross-flow impeller 103. The inflow opening 113 is located on the outer peripheral portion of the cross-flow impeller 103 and opens to the wall 111, so that the wall 11
Since the suction airflow can be obtained from almost the entire area on the suction side of the wall 111 including the direction perpendicular to the wall 111 as well as the direction parallel to 1, the inflow direction of the airflow from the periphery to the blower 101 is expanded. can do.

(Embodiment 3) Hereinafter, the same portions as those in the conventional example and the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 5, a protruding portion 8 which protrudes and moves into the blow-out air passage 4 at the tip of a front guider 106 inside the blow-out air flow passage 4, and a protrusion of the protruding portion 8 into the blow-out air flow passage 4. A knob 9 to which a gear 10 for adjusting the height is connected is provided, and a groove (not shown) is formed in the projection 8.
(Not shown).

With the above configuration, the rotation of the knob 9 causes the gear 10 connected to the knob 9 to rotate, and the gear 1
The protrusion 8 provided with the groove meshing with the 0 tooth can be moved. By moving the projection 8, the height of the projection 8 projecting into the airflow path 4 is adjusted, and the height of the projection 8 projecting into the airflow path 4 is adjusted. The separation of the blowout airflow 112 from the front guider 106 is adjusted by the height of the protrusion 8 projecting into the blowout air passage 4, and the curved portion 7 of the rear guider 107 of the blowout airflow 112 is adjusted.
, The deflection angle of the blown airflow can be adjusted.

In this embodiment, a combination of a gear and a groove is used as a mechanism for adjusting the projection height of the projection. However, any other means may be used as long as the projection height of the projection can be adjusted. Makes no difference.

(Embodiment 4) In the following, the same portions as those in the conventional example and the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 6, a motor 11 connected to a gear 10 is provided. With the above configuration, by rotating the motor 11, the rotation of the motor 11 is transmitted to the gear 10 connected to the motor 11 to move the protrusion 8. By moving the projection 8, the height of the projection 8 projecting into the airflow path 4 is adjusted, and the height of the projection 8 projecting into the airflow path 4 is adjusted. The separation of the blown airflow 112 from the front guider 106 is adjusted by the height of the projection 8 protruding into the blowout airflow path 4, and the blown airflow 112 is controlled.
By changing the degree of adhesion of the curved portion 7 of the rear guider 107 to the portion C, the deflection angle of the blown airflow can be automatically adjusted.

In this embodiment, a motor is used as the driving means. However, other means such as a combination of a shape memory alloy and a spring may be used as long as the means is capable of moving the projection. Make no difference.

(Embodiment 5) In the following, the same portions as those in the conventional example and the above embodiment are denoted by the same reference numerals, and the detailed description is omitted.

FIG. 7 shows a configuration in which a V-type air cleaning filter 14 is provided in the interior 13 of the suction air passage 12.

As shown in FIG. 7, the conventional blower unit 1
No. 08 had to form the air passage area 110 in order to secure the air passage area of the air purification filter 109, whereas in the above configuration, the suction airflow passed through the V-type air purification filter 14, The air passes through the flow type impeller 103 and is blown out from the blowing air path 4. The blown air flow 112 is purified by passing through the V-type air cleaning filter 14. When the capacity of the air purifying filter and the passing wind speed are equal, the larger the passing area of the filter is, the more the air purifying performance is improved. However, the V-type air purifying filter 14 of the present embodiment has the same area as the conventional air purifying filter 109. Since the V-type air purification filter 14 is formed in a V-shape so as to be held and to be accommodated in the interior 13 of the suction air passage 12, the air purification performance of the present embodiment is the same performance as the conventional one and is small.

In this embodiment, the V-type air cleaning filter 14 is provided in the interior 13 of the suction air passage 12, but the V-type air cleaning filter 14 may be provided at a position where the suction air flow or the blow air flow 112 passes. .

In this embodiment, the V-type air purifying filter 14 is used. However, a filter having another air purifying effect such as a deodorizing filter may be used.

(Embodiment 6) In the following, the same parts as those in the conventional example and the above-mentioned embodiment are denoted by the same reference numerals, and detailed description will be omitted.

FIG. 8 shows a blower unit 10 installed in a flat space such as a lower part of a mushroom used for pushing in.
8 is provided with a moisture absorption unit 15 in the interior 13 of the suction air passage 12.

In the above configuration, the suction airflow passes through the moisture absorption unit 15 and further cross-flow type impeller 103
And is blown out from the blowout air passage 4. Air flow 1
Numeral 12 is absorbed by passing through the moisture absorbing unit 15. The moisture absorbing unit 15 is formed so as to be accommodated in the suction air passage 12, and since the blowing unit 108 of the present embodiment is thin, it is possible to absorb moisture and blow air in a flat space such as a push-in space.

In the present embodiment, the moisture absorbing unit 15 is provided inside the suction air passage 12, but the moisture absorbing unit 15 is provided at a position where the suction air flow or the blow air flow 112 passes even if it is not inside the suction air passage 12. You may.

(Embodiment 7) Hereinafter, the same portions as those in the conventional example and the above-described embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 9 shows a configuration in which an aroma unit 16 is provided in the interior 13 of the suction air passage 12. In the above configuration,
The suction airflow passes through the fragrance unit 16 and further passes through the crossflow impeller 103 and is blown out from the blowout air passage 4. The blown air stream 112 is perfumed by passing through the fragrance unit 16. The fragrance unit 16 is formed so as to fit in the suction air passage 12, and the blow unit 108 of the present embodiment is thin.

In this embodiment, the aroma unit 16 is provided in the interior 13 of the suction air passage 12.
The fragrance unit 16 may be provided at a position where the scent passes.

Although the aroma unit is used in this embodiment, a deodorizing unit may be provided.

[0058]

As is clear from the above embodiments, a sufficient air volume can be obtained, the blowout air flow can proceed straight against the suction airflow, and the range of the direction of the suction airflow can be expanded. A blower can be provided.

Further, it is possible to provide a blower capable of adjusting the angle of the blown air flow. Further, it is possible to provide a blower capable of automatically adjusting the angle of the blown airflow.

Further, the size of the blower unit can be reduced while maintaining the air passage area of the air cleaning means.

Further, a thin air blowing unit capable of dehumidifying can be provided. Also, a thin blower unit to which a scent can be added can be provided.

[Brief description of the drawings]

FIG. 1A is a configuration diagram of a blower according to a first embodiment of the present invention. FIG.

FIG. 2 is a sectional view of the same.

FIG. 3 is a diagram showing a relationship between a value obtained by dividing a protrusion height of the protrusion by a diameter of a cross-flow type impeller and fan performance.

FIG. 4 is a sectional view of the installation of the blower according to the second embodiment.

FIG. 5 is a cross-sectional view of the blower according to the third embodiment.

FIG. 6 is a sectional view of the blower according to the fourth embodiment.

FIG. 7 is a sectional view of a blower unit according to the fifth embodiment.

FIG. 8 is a sectional view of a blower unit according to the sixth embodiment.

FIG. 9 is a sectional view of a blower unit according to the seventh embodiment.

10A is a configuration diagram of a conventional blower, and FIG.

FIG. 11 is a sectional view showing the installation of the blower.

FIG. 12 is a configuration diagram of the blowing unit.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 guide air passage 2 inflow wall 3 tongue 4 blow air passage 5 guider 6 protrusion 7 curved portion 8 protrusion 9 knob 10 gear 11 motor 12 suction air passage 14 V-type air purification filter 15 moisture absorption unit 16 fragrance unit 101 blower 102 motor 103 Cross flow impeller 104 Side plate 105 Side plate 106 Front guider 107 Rear guider 108 Blowing unit 109 Air purification filter 110 Air passage area 111 Wall 112 Blow-out airflow 113 Inflow opening

Claims (7)

[Claims] 1. A cross-flow type impeller driven by a motor, a pair of side plates rotatably supporting the cross-flow type impeller, and a suction guide air path upstream of the cross-flow type impeller. A guide and a rear guider for guiding an air current generated by rotation of the cross-flow type impeller are mounted between the side plates in a rotational blowing direction, and a front guider forming a tongue portion is sandwiched between the cross-flow type impeller and the rear guider. Attached between the side plates facing each other,
A protrusion protruding into the blowing air path at a tip of the front guider in a blowing air path formed by the rear guider and the front guider, and a tip of the rear guider constituting the blowing air path being outside the blowing air path. An air blower that generates an angle between an intake airflow and an airflow in a straight line by providing a curved portion in the airflow. 2. A cross-flow type impeller driven by a motor, a pair of side plates rotatably supporting the cross-flow type impeller, and an airflow generated by rotation of the cross-flow type impeller. The front guider forming the tongue is sandwiched between cross-flow type impellers, and the rear guider is attached between the side plates facing the rear guider, and is formed by the rear guider and the front guider. A protrusion protruding into the blowing air path is provided at a front end of the front guider in the blowing air path, and a curved portion curving outside the blowing air path is provided at a front end of the rear guider constituting the blowing air path. Upstream of the flow type impeller, the rear guider and the front guider were formed up to the outer peripheral portion of the cross flow type impeller. And inlet opening, blower said formed the downstream of the crossflow type impeller rear guider and by the front guide Da blow air passage, characterized in that the facing across the cross-flow type impeller. 3. A protruding portion that protrudes and moves into the outlet air passage at a tip end of a front guider in the outlet air passage, and a protrusion height adjustment that adjusts a height of the protruding portion into the outlet air passage. 3. The blower according to claim 1, further comprising means. 4. The blower according to claim 1, further comprising a driving means connected to the projection height adjusting means. 5. The air purifying means according to claim 1, 2, 3, or 4.
A blower unit provided inside the air passage of the blower according to any one of the preceding claims. 6. A method according to claim 1, wherein said moisture absorbing means is provided.
A blower unit provided inside the air passage of the blower according to any one of the preceding claims. 7. The method according to claim 1, wherein the fragrance adding means is provided.
Or a blower unit provided inside the wind path of the blower according to 6.