JP2006349222A - Ventilator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilator capable of reducing a frequency of maintenance such as cleaning by lowering reduction of ventilation air capacity due to accumulation of dust of a collecting part in a ventilator of a type introducing outdoor air into a building. <P>SOLUTION: By providing a composition wherein an air supply passage communicating an outdoor air inlet 12 with an indoor air inlet via an air supply fan part 4, and an exhaust passage communicating an indoor air suction port with an outdoor exhaust port via an exhaust fan part 7 are formed in an interior of a body 1, and the collecting part 21 is substantially the same shape as an outdoor air inlet side air supply passage part 20 formed between the outdoor air inlet 12 and the air supply fan part 4 of the air supply passage, an area passed by outdoor air 27 of the collecting part 21 can be enlarged, reduction of the ventilation air capacity due to dust such as dust can be lowered, and collecting efficiency of dust or the like can be improved. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a type of ventilation device that introduces outdoor air into a building.

  Conventionally, what was described in patent document 1 is known for this kind of ventilation apparatus.

  Hereinafter, the ventilator will be described with reference to FIG.

As shown in the figure, an air supply fan unit 102 and an exhaust fan unit 103 are provided inside a main body 101, an outdoor air inlet 105 is provided on a first side surface 104 of the main body 101, and an indoor air supply is provided on a second side surface 106 facing the main body 101. An indoor air intake port 109 is formed on the bottom surface of the port 107 and the outdoor exhaust port 108, and a heat exchanger is provided between the air supply fan unit 102, the exhaust fan unit 103, and the indoor air intake port 109 and the outdoor air introduction port 105. 110, an air supply flow path in which the outdoor air inlet 105 and the indoor air inlet 107 communicate with each other via the heat exchanger 110 and the air supply fan unit 102, an indoor air inlet 109, and an outdoor exhaust 108. Is formed through an exhaust passage that communicates with the heat exchanger 110 and the exhaust fan unit 103, and traps insects and dust that enter the outdoor air inlet 105 from the outside where the net 111 is provided. Collecting section 112 is arranged It is.
JP-A-11-325535

  In such a conventional ventilator, dust or the like contained in the outdoor air introduced from the outdoor air inlet is accumulated in the net of the collection unit, and as a result, the outdoor air passage area decreases and the ventilation air volume decreases. However, there has been a problem that the frequency of maintenance due to the replacement and cleaning of the collecting part increases.

  The present invention solves such a conventional problem, and provides a ventilator capable of reducing a decrease in ventilation air volume due to accumulation of dust or the like in a collection unit and reducing maintenance frequency such as cleaning. The purpose is that.

  In order to achieve the above object, the ventilator of the present invention is provided with an air supply fan part and an exhaust fan part inside the main body, and an outdoor air introduction port and an outdoor exhaust port are arranged on the first side surface of the main body, facing each other. An indoor air supply port is formed on the side surface, an indoor air intake port is formed on the bottom surface, and an air supply flow path in which the outdoor air introduction port and the indoor air supply port communicate with each other via the air supply fan unit, and the indoor air An exhaust passage that communicates the suction port and the outdoor exhaust port via the exhaust fan unit is formed, and a collection unit for foreign matter entering from the outside is connected to the outdoor air introduction port and the The outdoor air inlet side air supply flow path portion formed between the air supply fan portion and the air supply fan portion is provided in substantially the same shape.

  By this means, it is possible to increase the area through which the outdoor air of the collection part passes, to reduce the reduction of the ventilation air volume due to accumulation of dust and the like, and to improve the collection efficiency of dust and the like. A ventilation device is obtained.

  Another means is that a heat exchange element is provided between the air supply fan unit and the exhaust fan unit, and the indoor air intake port and the indoor air supply port, and the collecting unit is connected between the heat exchange element and the air supply fan unit. The heat exchanger element side air supply flow path portion formed between them is provided with a collecting portion substantially in the same shape.

  By this means, it is possible to increase the area through which the outdoor air passes through the collection unit that collects foreign matter in front of the heat exchange element, and a ventilation device that can improve the collection efficiency of dust and the like is obtained.

  In another means, the collecting part is a coarse dust filter.

  By this means, it is possible to obtain a ventilator that can supplement only coarse dust and the like and can reduce a decrease in the ventilation air volume.

  Another means is that the collecting part is matched to the outer shape of the air supply casing of the air supply fan part.

  By this means, it is possible to enlarge the area through which the outdoor air of the collection part passes to the maximum, and it is possible to reduce the decrease in ventilation air volume due to dust and the like, and improve the collection efficiency of dust and the like A ventilator that can be used.

  Another means is that the collecting portion is inclined from the upper surface to the bottom surface.

  By this means, it is possible to obtain a ventilator that can easily cause dust or the like of outdoor air to fall on the collecting part, reduce a decrease in ventilation air volume due to clogging of the collecting part, and reduce the frequency of maintenance such as cleaning. .

  Another means is to provide a gap between the collecting part and the outer peripheral surface of the air supply fan part.

  By this means, outdoor air that passes through the collecting section can pass through the entire surface of the collecting section, and a ventilation device that can improve the collection efficiency of dust and the like is obtained.

  Another means is that the main body is provided with an insertion groove of the collection portion, and the collection portion is provided with an attachment wall that fits into the insertion groove.

  By this means, the collecting part can be closely fitted to the main body, and a ventilation device capable of improving the airtightness of the collecting part is obtained.

  Another means enables the collecting part to be attached and detached directly from the bottom surface of the main body.

  By this means, the collecting device can be removed and attached directly from the bottom surface of the ventilation device in a state where it is installed on the ceiling, and a ventilation device capable of facilitating maintenance work such as cleaning can be obtained.

  Another means is provided with a fall prevention wall that prevents insects, coarse dust, and the like collected when the collection unit is removed from the main body from falling.

  By this means, it is possible to prevent the insects and coarse dust collected when the collecting unit is removed from the main body from falling, and to obtain a ventilation device that can facilitate maintenance work such as cleaning.

  Moreover, another means provides the heat insulating material in the bottom face of the collection part.

  By this means, a ventilator capable of preventing condensation in the collecting part and preventing water from dripping from the bottom surface of the collecting part is obtained.

  According to the present invention, the collection part is provided in substantially the same shape as the outdoor air introduction side air supply channel part formed between the outdoor air introduction port and the supply fan part in the supply channel, Ventilation that can increase the area through which outdoor air passes through the collection section, reduce the reduction of ventilation airflow due to accumulation of dust, etc., and improve the collection efficiency of dust, etc. Equipment can be provided.

  In addition, a foreign substance is collected in front of the heat exchange element by providing a collection part having substantially the same shape as the heat exchange element side air supply flow path part formed between the heat exchange element and the air supply fan part. It is possible to provide an effective ventilation device that can increase the area through which outdoor air passes through the collection unit and can improve the collection efficiency of dust and the like.

  Further, by using a coarse dust filter as the filter, it is possible to provide a ventilator that can supplement only coarse dust and the like and can reduce a decrease in the ventilation air volume.

  In addition, since the collecting part is matched to the outer shape of the air supply casing of the air supply fan part, the area through which the outdoor air of the collecting part passes can be expanded as much as possible, and the amount of ventilation air flow due to dust such as dust is reduced. In addition, it is possible to provide a ventilator that has an effect of improving the collection efficiency of dust and the like.

  In addition, because the collection part is inclined from the top surface to the bottom surface, it is easy for outdoor air dust to fall on the collection part, reducing the reduction of ventilation airflow due to clogging of the collection part, etc., and maintenance frequency such as cleaning It is possible to provide an effective ventilator that can reduce the above.

  In addition, since a gap is provided between the collecting unit and the outer peripheral surface of the air supply fan unit, outdoor air that passes through the collecting unit can pass through the entire surface of the collecting unit, and collects dust and the like. It is possible to provide an effective ventilation device capable of improving the efficiency.

  In addition, since the insertion groove of the collecting portion is provided in the main body and the mounting wall is provided in the collecting portion to be fitted in the insertion groove, the collecting portion can be closely fitted to the main body, and the collecting portion can be fitted. It is possible to provide an effective ventilation device that can improve the airtightness of the collecting portion.

  In addition, since the collection part can be attached and detached directly from the bottom of the main unit, the collection part can be removed and attached directly from the bottom of the ventilator while installed on the ceiling, facilitating maintenance work such as cleaning. An effective ventilation device can be provided.

  In addition, since a fall prevention wall was provided to prevent the insects and coarse dust collected when removing the collector from the main unit from falling, the insects and coarse dust collected when removing the collector from the main unit dropped. Therefore, it is possible to provide an effective ventilation device that can facilitate maintenance work such as cleaning.

  Moreover, since the heat insulating material was provided in the bottom face of the collection part, the ventilation apparatus with the effect which can prevent dew condensation of a collection part and can prevent water dripping from the bottom face of a collection part can be provided.

  The ventilator according to claim 1 of the present invention is provided with an air supply fan part and an exhaust fan part inside the main body, an outdoor air introduction port and an outdoor exhaust port on the first side surface of the main body, and an opposing second side surface. Is an indoor air inlet, an indoor air inlet is formed on the bottom surface, and an air supply passage in which the outdoor air inlet and the indoor air inlet communicate with each other via the air supply fan unit, and the indoor air inlet And the outdoor exhaust port are connected to each other via the exhaust fan unit, and a collecting unit for foreign matter entering from the outside is connected to the outdoor air introduction port and the air supply unit in the air supply channel. The outdoor air introduction side air supply flow path formed between the fan unit and the air supply channel unit is provided with approximately the same shape, and the area through which the outdoor air passes through the collection unit can be expanded to accumulate dust, etc. Can reduce the decrease in ventilation airflow due to airflow and improve dust collection efficiency. An effect that can be.

  According to a second aspect of the present invention, there is provided the ventilating apparatus, wherein a heat exchange element is provided between the air supply fan section and the exhaust fan section, and the indoor air inlet and the indoor air inlet, and the collecting section is provided as the heat exchange element. The heat exchange element side air supply flow path section formed between the air supply fan section and the air supply fan section is provided with substantially the same shape, and the passage of outdoor air through the collection section that collects foreign matter in front of the heat exchange element It is possible to enlarge the area to be collected and to improve the collection efficiency of dust and the like.

  The ventilator according to claim 3 of the present invention has a trapping portion as a coarse dust filter, and has an effect that only coarse dust or the like can be supplemented and a reduction in the ventilation air volume can be reduced.

  In the ventilator according to claim 4 of the present invention, the collecting part is adapted to the outer shape of the air supply casing of the air supply fan part, and the area through which the outdoor air of the collecting part passes is maximized. Therefore, it is possible to reduce a decrease in ventilation air volume due to dust such as dust and to improve the efficiency of collecting dust and the like.

  Further, the ventilator according to claim 5 of the present invention is such that the collecting part is inclined from the upper surface to the bottom surface, and dust or the like of outdoor air can easily fall on the collecting part, resulting in clogging of the collecting part or the like. It has the effect of reducing the reduction in ventilation air volume and reducing the frequency of maintenance such as cleaning.

  Moreover, the ventilation apparatus of Claim 6 of this invention provided the clearance gap between the collection part and the outer peripheral surface of an air supply fan part, and the outdoor air which passes a collection part is the said collection part. It has the effect | action that it can pass the whole surface and can improve collection efficiency, such as dust.

  Moreover, the ventilator according to claim 7 of the present invention is provided with an insertion groove of the collecting portion in the main body, and an attachment wall that fits into the insertion groove in the collecting portion. It has the effect | action that it can fit to a main body closely and can improve the airtightness of the said collection part.

  Moreover, the ventilator according to claim 8 of the present invention is such that the collecting part can be directly attached and detached from the bottom surface of the main body, and the collecting part can be removed directly from the bottom surface of the ventilating apparatus in a state where it is installed on the ceiling. It can be attached and has an effect of facilitating maintenance work such as cleaning.

  Further, the ventilator according to claim 9 of the present invention is provided with a fall prevention wall for preventing insects and coarse dust collected when the collecting part is removed from the main body from falling, and the collecting part is provided on the main body. It is possible to prevent insects, coarse dust, and the like collected during removal from being dropped, and to facilitate maintenance work such as cleaning.

  Moreover, the ventilator according to claim 10 of the present invention is provided with a heat insulating material on the bottom surface of the collection part, prevents condensation of the collection part, and prevents water from dripping from the bottom surface of the collection part. It has the effect of being able to.

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

(Embodiment 1)
As shown in FIGS. 1 to 4, a main body 1 includes an air supply fan section 4 including an air supply fan 2 such as a centrifugal fan (such as a sirocco fan) and an air supply casing 3, an exhaust fan 5, and an exhaust casing. 6 is provided. The air supply fan unit 4 and the exhaust fan unit 7 are partitioned into upper and lower spaces by a partition plate 8, the exhaust fan unit 7 is formed in the upper part of the partition plate 8, and the air supply fan unit 4 is formed in the lower part of the partition plate 8. Forming. A motor 9 is disposed on the partition plate 8, and the air supply fan 2 and the exhaust fan 5 are driven together by the same motor 9. The motor 9 drive system may be either a direct current (DC) system or an alternating current (AC) system. The first side surface 10 of the main body 1 has an outdoor air introduction port 12 having an outdoor air introduction duct connection portion 11 and an outdoor exhaust port 14 having an outdoor exhaust duct connection portion 13, and an air supply to the second side surface 15 opposite to the indoor air supply port 14. The indoor air inlet 17 having the duct connecting portion 16 and the bottom surface 18 are formed with an indoor air inlet 19, and the outdoor air inlet 12 and the indoor air inlet 17 communicate with each other via the air supply fan 4. An exhaust passage is formed by connecting the air passage, the indoor air intake port 19 and the outdoor exhaust port 14 via the exhaust fan unit 7, and the outdoor air introduction port 12 and the supply fan unit 4 of the supply passage are connected to each other. An outdoor air inlet side air supply passage section 20 formed between them is provided with a collecting section 21 having substantially the same shape. The collection unit 21 is configured with a coarse dust filter 22 to collect large dust and insects entering from the outside, and matches the outer shape of the air supply casing 3 of the air supply fan unit 4 according to the top surface to the bottom surface. It has a shape that is inclined over The coarse filter 22 may be of any material, hole diameter, etc., as long as it does not allow large dust or insects to pass through. Moreover, the collection part 21 is provided with a fall prevention wall 23 near the bottom surface and a heat insulating material 24 on the bottom surface. As for the heat insulating material 24, the bottom surface itself may be formed of the heat insulating material 24, or the heat insulating material 24 may be affixed to the bottom surface, and the material is a fiber heat insulating material (typical: glass fiber is used. Insulation material (glass wool)) or foam material insulation material (pumice, sponge, cork, etc.) may be used as long as they have a heat insulation effect. The main body 1 is provided with an insertion groove 25 of the collection portion 21, and the collection portion 21 is provided with a mounting wall 26 that fits into the insertion groove 25, and when fitted, the collection portion 21 and the air supply fan portion 4 A gap is created between the two. The outdoor air 27 is taken into the air supply fan unit 4 including the air supply fan 2 and the air supply casing 3 from the outdoor air introduction port 12 through the collecting unit 21 via the outdoor air introduction duct connection unit 11. Fresh air is supplied from the indoor air supply port 17 to a desired location of the house through the indoor air supply duct connection portion 16. On the other hand, the indoor air 28 is taken into the exhaust fan portion 7 composed of the exhaust fan 5 and the exhaust casing 6 from the indoor air suction port 19 located on the bottom surface 18 of the main body 1, and the outdoor exhaust duct connecting portion from the outdoor exhaust port 14. 13 is exhausted to the outside of the house.

  In the above configuration, the collection unit 21 is provided in substantially the same shape as the outdoor air introduction side air supply channel 20 formed between the outdoor air introduction port 12 and the supply fan unit 4 in the supply channel. Thus, the area through which the outdoor air 27 of the collection unit 21 passes can be expanded, the reduction of the ventilation air volume due to accumulation of dust and the like can be reduced, and the collection efficiency of dust and the like can be improved. In the configuration of 21, the collection unit 21 is the coarse dust filter 22, so that only coarse dust and the like can be supplemented, and the reduction in the ventilation air volume can be reduced, and the collection unit 21 can be used as an air supply fan. By matching the outer shape of the air supply casing 3 of the section 4, the area through which the outdoor air 27 of the collection section 21 passes can be expanded as much as possible to reduce the decrease in the ventilation air volume due to dust such as dust, Can improve the collection efficiency of dust, etc. By tilting the collection unit 21 from the top surface to the bottom surface, the dust or the like of the outdoor air 27 can easily fall on the collection unit 21 and reduce the decrease in the ventilation air volume due to clogging of the collection unit 21. The frequency of maintenance such as cleaning can be reduced, and the collection unit 21 can be directly attached to and detached from the bottom surface of the main body 1, so that it is directly collected from the bottom surface 18 of the ventilator while being installed on the ceiling. The fall prevention wall which can remove and attach the part 21 and facilitate maintenance work such as cleaning, and prevents the insects and coarse dust collected when the collection part 21 is removed from the main body 1 from falling. 23 is provided, it is possible to prevent the insects and coarse dust collected when the collecting unit 21 is removed from the main body 1 from falling, to facilitate maintenance work such as cleaning, and the collecting unit. Cut to the bottom of 21 By providing the material 24, the condensation of the collection unit 21 can be prevented, and water can be prevented from dripping from the bottom surface of the collection unit 21. By providing a gap in between, the outdoor air 27 passing through the collection unit 21 can pass through the entire surface of the collection unit 21 and improve the collection efficiency of dust and the like. The collecting portion 21 is provided with a mounting wall 26 that fits into the inserting groove 25, so that the collecting portion 21 is closely fitted to the main body 1. Can be improved.

(Embodiment 2)
As shown in FIG. 5, the second embodiment has a configuration substantially equivalent to that of the first embodiment, and the same components as those of the first embodiment are denoted by the same reference numerals and detailed description thereof is omitted. A heat exchange element 29 is provided between the air supply fan unit 4 and the exhaust fan unit 7 and the indoor air intake port 19 and the indoor air supply port 17, and is formed between the heat exchange element 29 and the air supply fan unit 4. The heat exchange element side air supply flow path portion 30 is provided with a collecting portion 21A having substantially the same shape. The outdoor air 27 is taken into the air supply fan unit 4 including the air supply fan 2 and the air supply casing 3 from the outdoor air introduction port 12 via the outdoor air introduction duct connecting unit 11, and the collecting unit 21 </ b> A and the heat are collected. Fresh air is supplied from the indoor air supply port 17 to the desired location of the house through the exchange element 29 via the indoor air supply duct connection 16. On the other hand, the indoor air 28 is taken into the exhaust fan portion 7 including the exhaust fan 5 and the exhaust casing 6 through the heat exchange element 29 from the indoor air suction port 19 located on the bottom surface of the main body 1, and from the outdoor exhaust port 14. The air is exhausted outside the house through the outdoor exhaust duct connecting portion 13.

  In the above-described configuration, the heat exchange element 29 has the same shape as the heat exchange element side air supply flow path section 30 formed between the heat exchange element 29 and the air supply fan section 4. The area through which the outdoor air 27 of the collecting part 21A that collects foreign matters in front can be enlarged, and the collection efficiency of dust and the like can be improved.

  In the ventilator according to the present invention, the trapping portion is provided in substantially the same shape as the outdoor air inlet side air supply passage portion formed between the outdoor air introduction port and the air supply fan portion in the air supply passage. Therefore, it is possible to increase the area through which the outdoor air passes through the collection unit, to reduce the reduction of ventilation airflow due to dust such as dust, and to improve the collection efficiency of dust and the like. It is useful as a type of ventilation device that introduces outside air into the building.

Sectional drawing of the ventilation apparatus of Embodiment 1 of this invention Bottom view of the ventilator Perspective view of the collector of the ventilation device Partially broken bottom view of the ventilator Sectional drawing of the ventilation apparatus of Embodiment 2 of this invention Cross-sectional view of a conventional ventilation device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 3 Air supply casing 4 Air supply fan part 7 Exhaust fan part 10 1st side surface 12 Outdoor air inlet 14 Outdoor exhaust port 15 Second side 17 Indoor air inlet 18 Bottom surface 19 Indoor air inlet 20 Outdoor air inlet side Air supply flow path part 21 Collection part 21A Collection part 22 Coarse dust filter 23 Fall prevention wall 24 Heat insulating material 25 Insertion groove 26 Mounting wall 29 Heat exchange element 30 Heat exchange element side air supply flow path part

Claims (10)

An air supply fan unit and an exhaust fan unit are provided inside the main body, the outdoor air inlet and the outdoor exhaust port are provided on the first side surface of the main body, the indoor air supply port is provided on the opposite second side surface, and the indoor air intake is provided on the bottom surface. Forming an air outlet, and connecting the outdoor air introduction port and the indoor air supply port via the air supply fan unit, the indoor air intake port and the outdoor exhaust port are connected to the exhaust fan unit. An outdoor air introduction is formed between the outdoor air inlet and the air supply fan portion of the air supply flow channel by forming an exhaust flow channel communicating with each other and collecting a foreign substance entering from outside the air flow channel. A ventilator characterized by being provided with substantially the same shape as the mouth-side air supply channel. A heat exchange element is provided between the air supply fan unit and the exhaust fan unit, and the indoor air intake port and the indoor air supply port, and the heat that is generated between the heat exchange element and the air supply fan unit The ventilation device according to claim 1, wherein the ventilation device is provided in substantially the same shape as the exchange element side air supply flow path portion. The ventilation device according to claim 1 or 2, wherein the collection part is a coarse dust filter. The ventilator according to any one of claims 1 to 3, wherein the collecting part is matched with the outer shape of the air supply casing of the air supply fan part. The ventilation device according to any one of claims 1 to 4, wherein the collection part is inclined from the upper surface to the bottom surface. The ventilation apparatus according to claim 4 or 5, wherein a gap is provided between the collection part and the outer peripheral surface of the air supply fan part. The ventilation device according to any one of claims 1 to 5, wherein an insertion groove of the collection portion is provided in the main body, and an attachment wall that fits into the insertion groove is provided in the collection portion. The ventilator according to claim 7, wherein the collecting part can be attached and detached directly from the bottom surface of the main body. The ventilator according to any one of 1 to 5, 7, and 8, wherein a fall prevention wall is provided to prevent the insects, coarse dust, and the like collected when the collecting unit is removed from the main body from falling. The ventilation apparatus according to any one of claims 1 to 5, and 7 to 9, wherein a heat insulating material is provided on a bottom surface of the collection part.

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