JPWO2010097883A1 - Simultaneous supply / exhaust ventilation fan and air conditioner - Google Patents

Abstract

The panel suction inlet UI and the panel outlet UO are formed in the lower panel 3 so as to face each other, and the direction of the suction airflow A1 sucked into the panel inlet UI and the outlet airflow B2 blown out from the panel outlet UO. The suction airflow A1 and the blown airflow B2 flow along the ceiling surface.

Description

  The present invention relates to a simultaneous supply / exhaust type ventilation fan and an air conditioner, and in particular, simultaneous supply / exhaust that blows air from a panel outlet to the room while sucking indoor air from a panel inlet formed by a decorative panel fixed to the ceiling. It relates to a shape ventilation fan.

  In order to realize ventilation with little fluctuation of the state quantity in the room, there is a method of simultaneously supplying and exhausting air while exchanging heat by attaching a simultaneous supply / exhaust ventilation fan to the ceiling.

  As such a simultaneous supply / exhaust type ventilation fan, Patent Document 1 discloses that a prismatic heat exchanger is housed in an outer box, the heat exchanger is covered with a ceiling panel, and the outside air supplied from outside is heated. From the inflow side to the outflow side of the exchanger, the air is blown into the room from the indoor side outlet provided in the ceiling panel, and the suction airflow sucked in from the indoor side inlet provided in the ceiling panel is A simultaneous supply / exhaust ventilation fan that exhausts air from the inflow side to the outflow side is disclosed. In this simultaneous supply / exhaust ventilation fan, a plurality of heat exchangers are arranged in parallel in the width direction with the longitudinal ridges facing each other, and the outside air outflow side and the exhaust inflow side of the heat exchanger are respectively opposed to the ceiling panel. An indoor side air outlet is provided on three side surfaces of the side surfaces of the ceiling facing panel, and an indoor side air outlet is provided on one side surface.

  Further, in Patent Document 2, a prismatic heat exchanger is housed in an outer box, the heat exchanger is covered with a ceiling panel, and the outside air supplied from the outside is discharged from the inflow side to the outflow side of the heat exchanger. Through the indoor air outlet provided in the ceiling panel, and the suction air flow sucked in from the indoor air inlet provided in the ceiling panel is passed from the inflow side to the outflow side of the heat exchanger. A simultaneous supply / exhaust type exhaust fan that exhausts air to the outside is disclosed. In this simultaneous supply / exhaust ventilation fan, a plurality of heat exchangers are arranged in parallel in the width direction with the longitudinal ridges facing each other, and the outside air outflow side and the exhaust inflow side of the heat exchanger are respectively opposed to the ceiling panel. An indoor air outlet is provided on both sides of the ceiling panel, and an indoor air inlet is provided in the center.

  Further, in Patent Document 3, a product main body is attached indoors, and is provided in front of an air supply port and an exhaust fan provided at a position away from an exhaust fan through an outdoor air supply port and an air supply fan. And a front panel provided with an indoor air supply port that communicates with the air supply port in a shape that covers the front side of the main body, and the indoor exhaust port that communicates with the exhaust port is provided on the main body. A method of forming the upper surface, the lower surface, and the side surface of the substrate is disclosed.

JP 62-153642 A JP-A-62-153643 JP 2005-274098 A

  However, according to the techniques of Patent Documents 1 and 2, the indoor side air outlet and the indoor side air inlet are provided on the same surface of the indoor lower surface panel or adjacent to each other. Therefore, it is easy to cause a short circuit between the air flow blown into the room from the indoor air outlet and the air flow sucked into the room air intake from the room, the circulation due to the indoor ventilation deteriorates, and the ventilation efficiency decreases. There was a problem to do.

  Moreover, according to the technique of patent document 1, 2, the indoor side blower outlet and the indoor side suction port are provided on the lower surface panel of the product main body. Therefore, there has been a problem that noise from the air supply blower and the exhaust blower directly reaches the person directly under the product from the indoor side air outlet and the indoor side air inlet.

  Further, according to the techniques of Patent Documents 1 and 2, since the indoor side air outlet is provided on the lower panel, the blown airflow directly hits a person directly under the product, and a draft feeling is generated particularly in winter. There was a problem.

  On the other hand, if a louver that adjusts the airflow direction of the blown airflow is installed at the indoor air outlet in order to reduce such a draft feeling, the air supply area is reduced and the airway pressure loss is reduced, so the ventilation airflow is reduced. There was a problem.

  Moreover, according to the technique of patent document 3, when a simultaneous supply / exhaust type ventilation fan is installed in a ceiling surface, a product main body will come out greatly from a ceiling surface. For this reason, there is a problem that the design of the ceiling surface is deteriorated or noise directly reaches a person directly under the product from the air outlet or the air inlet.

  The present invention has been made in view of the above, and is a simultaneous supply / discharge type capable of suppressing the occurrence of a short circuit between a blown airflow blown into a room and a suction airflow sucked from the room It aims at obtaining a ventilation fan and an air conditioner.

  In order to solve the above-described problems and achieve the object, a simultaneous supply / exhaust ventilation fan according to the present invention includes an exterior casing in which an exhaust ventilation path and an intake ventilation path independent from each other are formed, and a lower part of the exterior casing. A lower panel that is provided so that the panel inlet and the panel outlet are opposed to each other; and the suction airflow that is accommodated in the outer casing and sucked into the panel inlet is sent to the exhaust ventilation path, And an air supply fan that is housed in the exterior casing and that is supplied to the air supply passage and is supplied to the panel outlet and blown out as a blown airflow. And

  According to the present invention, there is an effect that it is possible to suppress the occurrence of a short circuit between the blown air flow blown into the room and the suction air flow sucked from the room.

FIG. 1 is a perspective view showing an external configuration of a first embodiment of a simultaneous supply / exhaust ventilation fan according to the present invention. FIG. 2 is a perspective view showing a state when the simultaneous supply / exhaust type ventilation fan of FIG. 1 is used. FIG. 3 is a perspective view showing an example of the internal configuration of the simultaneous supply / exhaust ventilation fan of FIG. 4 is a cross-sectional view of the simultaneous supply / exhaust type ventilation fan of FIG. 3 cut along the flow direction of the suction airflow A1 and the blowout airflow B2. 5 is a perspective view showing an example of the internal configuration of the simultaneous supply / exhaust type ventilation fan of FIG. FIG. 6 is an exploded perspective view showing a schematic configuration of a mounting portion of the decorative panel according to the second embodiment of the simultaneous supply / exhaust type ventilation fan according to the present invention. FIG. 7 is a cross-sectional view schematically showing an example of an arrangement state of the chamber 11 and the separator 12 of the simultaneous supply / exhaust ventilation fan of FIG. FIG. 8 is a cross-sectional view showing the third embodiment of the simultaneous supply / exhaust ventilation fan according to the present invention cut along the flow direction of the suction airflow A1 and the blowout airflow B2. FIG. 9 is a cross-sectional view showing the fourth embodiment of the simultaneous supply / exhaust ventilation fan according to the present invention, cut along the flowing direction of the suction airflow A1 and the blowout airflow B2. FIG. 10: is a perspective view which shows schematic structure of the lower surface panel part of Embodiment 5 of the simultaneous supply / exhaust type ventilation fan based on this invention. FIG. 11 is a cross-sectional view schematically showing Embodiment 6 of the air conditioner according to the present invention.

Explanation of symbols

SI Air supply port SO Air exhaust port UI, UI ′ Panel suction port UO, UO ′, UO ″ Panel blowout port A1 Suction airflow A2 Exhaust flow B1 Supply airflow B2 Blowout airflow 1,201 Exterior casing 2, 23, 202 Panel exterior frame 3, 33, 103, 113, 123, 203 Lower panel 4 Main body opening 5a Exhaust motor 5b Supply motor 6a Exhaust blade 6b Supply blade 7a Exhaust fan 7b Supply fan 8a Exhaust fan casing 8b Air supply fan casing 9, 205 Heat exchanger 10 Circuit board 12, 25, 27, 35 Separator 14a Exhaust ventilation path 14b Supply air ventilation path 15a, 29a Exhaust chamber 15b, 29b Supply chamber 16 Supply side dust removal filter 17 Blower Air outlet 21 Panel mounting bracket 21a Suction side opening 21b Air outlet side opening 22 Groove 2a, 2b, 3a, 23b, 31a, 31b wall 24 rails 26 and 28 mating structure 32 hooked exhaust dust removal filter 34 structure 204 fans 206 the air supply and exhaust ventilation passage

  Embodiments of a simultaneous supply / exhaust ventilation fan according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment 1 FIG.
FIG. 1 is a perspective view showing an external configuration of a first embodiment of a simultaneous supply / exhaust type ventilation fan according to the present invention, and FIG. 2 is a perspective view showing a state in use of the simultaneous supply / exhaust type ventilation fan of FIG. In FIG. 1, the simultaneous supply / exhaust ventilation fan is provided with an outer casing 1, and a lower panel 3 is attached to the lower side of the outer casing 1 via a panel outer frame 2. The panel exterior frame 2 can be configured in a rectangular tube shape. Moreover, as the lower surface panel 3, a decorative panel can be used, for example.

  Here, the side surface of the outer casing 1 is provided with an exhaust port SO for exhausting the exhaust flow A2 to the outside of the outer casing 1 and an air supply port SI for supplying the air flow B1 into the outer casing 1. In addition, a panel suction port UI for sucking the suction airflow A1 and a panel blowout port UO for blowing the blowout airflow B2 are formed in the lower surface panel 3 below the outer casing 1.

  Here, the panel suction inlet UI and the panel blower outlet UO can be formed in the lower surface panel 3 so that it may mutually oppose. In this case, the panel suction port UI and the panel outlet UO are formed along the lower surface panel 3, and the direction of the suction airflow A1 sucked into the panel suction port UI and the outlet airflow B2 blown out from the panel outlet UO. It is preferable to arrange so that the directions are the same.

  And in the exterior casing 1, the exhaust ventilation path 14a which ensures the ventilation path between the panel suction inlet UI and the exhaust outlet SO, and the ventilation path between the air supply inlet SI and the panel blower outlet UO are ensured. The air supply ventilation path 14b is provided independently of each other.

  And when installing a simultaneous supply / exhaust ventilation fan indoors, as shown in FIG. 2, the lower surface panel 3 can be protruded from the ceiling surface T to the indoor side, and the exterior casing 1 can be arrange | positioned in the back of a ceiling. . Here, the lower surface panel 3 can be disposed so as to face the ceiling surface T.

  Then, when the indoor suction airflow A1 is sucked from the panel suction port UI, the suction airflow A1 is guided into the outer casing 1. And the suction | inhalation airflow A1 guide | induced in the exterior casing 1 is guide | induced to the exhaust port SO by passing the exhaust ventilation path 14a, and is exhausted outdoors as the exhaust flow A2.

  At the same time, when the outdoor air supply air B1 is supplied from the air supply port SI, the air supply air B1 is guided into the outer casing 1. Then, the air supply air B1 guided into the outer casing 1 is guided to the panel outlet UO by passing through the air supply passage 14b, and is blown into the room as the air flow B2.

  Thereby, it can suppress that the blowing air flow B2 blown out from the panel blower outlet UO is sucked from the panel suction port UI, and suppresses occurrence of a short circuit between the blowing air flow B2 and the suction air flow A1. It becomes possible. For this reason, the circulation by indoor ventilation can be improved and ventilation efficiency can be improved.

  Further, by disposing the panel outlet UO and the panel suction port UI so as to face each other via the lower surface panel 3, the interval between the panel outlet UO and the panel suction port UI can be increased. For this reason, it becomes possible to suppress that a short circuit arises between blowing airflow B2 and suction airflow A1, and ventilation efficiency can be improved.

  Further, by forming the panel suction port UI and the panel blower port UO along the lower surface panel 3, the blown air flow B2 and the suction air flow A1 can flow horizontally along the ceiling surface T. For this reason, a ventilation flow that circulates indoors through the route of the panel outlet UO → the indoor ceiling surface T → the indoor wall surface → the indoor floor surface → the indoor wall surface → the indoor ceiling surface T → the panel suction port UI is generated. Since it becomes possible to make it difficult to produce stagnation of ventilation, ventilation efficiency can be improved.

  Further, by allowing the blown air flow B2 and the suction air flow A1 to flow horizontally along the ceiling surface T, it is possible to prevent the blown air flow B2 from directly hitting a person directly under the product. For this reason, it becomes possible to reduce a draft feeling, especially in winter, without installing the louver which adjusts the wind direction of blowing airflow B2 in panel blower outlet UO.

  FIG. 3 is a perspective view showing an example of the internal configuration of the simultaneous supply / exhaust type ventilation fan of FIG. 1. FIG. 4 is a perspective view of the simultaneous supply / exhaust type ventilation fan of FIG. 3 along the flow direction of the suction air flow A1 and the blown air flow B2. FIG. 5 is a perspective view showing an example of the internal configuration of the simultaneous supply / exhaust ventilation fan of FIG.

  3 to 5, a suction airflow A <b> 1 sucked into the panel suction port UI is taken into the outer casing 1 on the lower surface of the outer casing 1, or a supply airflow B <b> 1 sucked into the outer casing 1 is taken into the outer casing 1. A main body opening 4 for discharging to the outside is formed. A lower panel 3 is attached below the outer casing 1 via the panel outer frame 2 so as to cover the main body opening 4. Here, the lower panel 3 is provided with a separator 12 that prevents the suction airflow A1 sucked from the panel suction port UI from intersecting with the blowout airflow B2 blown from the panel blowout port UO. In addition, the separator 12 can be comprised with a partition plate or a partition, and can be arrange | positioned so as to be orthogonal to the suction direction of suction airflow A1, and the blowing direction of blowing airflow B2.

  Further, on both sides of the panel exterior frame 2, wall surfaces 2 a and 2 b are formed that restrict the advancing direction along the lower surface panel 3 of the suction airflow A1 and the blowout airflow B2 in one direction.

  Further, the outer casing 1 is partitioned so that the exhaust flow A2 exhausted from the exhaust port SO and the supply air flow B1 supplied from the air supply port SI do not intersect within the outer casing 1, so that the exhaust ventilation path 14 a. And the air supply passage 14b are formed in the outer casing 1 independently of each other. The exterior casing 1 accommodates an exhaust fan 7a, an air supply fan 7b, a heat exchanger 9, and a circuit board 10. Here, the exhaust fan 7a is disposed on the exhaust ventilation path 14a. The air supply blower 7b is disposed on the air supply ventilation path 14b. The heat exchanger 9 is disposed on the exhaust ventilation path 14a and the supply ventilation path 14b.

  The exhaust fan 7a can send the suction air flow A1 sucked into the panel suction port UI to the exhaust ventilation path 14a and exhaust it as the exhaust flow A2 from the exhaust port SO. The exhaust fan 7a includes an exhaust blade 6a that forms the exhaust flow A2, an exhaust motor 5a that rotates the exhaust blade 6a, and a spiral shape that is configured to surround the exhaust blade 6a and the exhaust motor 5a. An exhaust fan casing 8a is provided.

  Further, the air supply blower 7b can send the air supply air B1 supplied from the air supply port SI to the air supply passage 14b to the panel outlet UO and blow out from the panel outlet UO as the outlet air flow B2. The supply fan 7b surrounds the supply blade 6b that forms the supply air flow B1, the supply motor 5b that rotates the supply blade 6b, and the supply blade 6b and the supply motor 5b. A spiral air supply fan casing 8b configured as described above is provided. The air supply fan casing 8b is formed with a blower outlet 17 for blowing out the air supply air B1 so as to face the lower panel 3.

  Further, the heat exchanger 9 can perform heat exchange between the exhaust flow A2 exhausted from the exhaust port SO and the supply air flow B1 supplied from the supply port SI. As shown in FIG. 5, the heat exchanger 9 can have a hexahedral structure in which ventilation paths orthogonal to each other are alternately stacked. And about the exhaust flow A2, the ventilation path in the heat exchanger 9 is ensured in the orthogonal | vertical direction with respect to the lower surface panel 3, and about the supply air flow B1, the ventilation path in the heat exchanger 9 is in the blowing direction of the blowing air flow B2. The heat exchanger 9 can be arranged in the outer casing 1 so as to be ensured.

  The circuit board 10 can also be equipped with a power supply circuit that supplies power to the exhaust motor 5a and the supply motor 5b, and a control circuit that controls the rotation of the exhaust motor 5a and the supply motor 5b.

  Here, the supply port SI and the exhaust port SO are arranged side by side in a direction orthogonal to the suction direction of the suction airflow A1 and the blowout direction of the blowout airflow B2. Further, the air inlet SI, the heat exchanger 9 and the air supply fan 7b are arranged in this order along the suction direction of the suction airflow A1 and the blowout direction of the blowout airflow B2. Further, the exhaust port SO, the exhaust fan 7a, and the circuit board 10 are arranged in this order along the suction direction of the suction airflow A1 and the blowout direction of the blowout airflow B2. That is, the heat exchanger 9 and the circuit board 10 are arranged at one diagonal position of the outer casing 1, and the air supply fan 7 b and the exhaust fan 7 a are arranged at the other diagonal position of the outer casing 1. Has been.

  Further, the exhaust blade 6 a is disposed so as to face the heat exchanger 9. The exhaust motor 5a is disposed on the heat exchanger 9 side. The exhaust fan casing 8a is connected to the exhaust port SO. Further, the air supply fan 7b constituted by the air supply blade 6b and the air supply motor 5b is disposed so as to face the heat exchanger 9.

  Further, an air supply side dust removal filter 16 for removing dust from the air supply air flow B <b> 1 is installed between the exhaust port SO and the heat exchanger 9. Further, the space under the outer casing 1 partitioned by the panel outer frame 2 is divided into two by the separator 12, so that the exhaust chamber 15a that leads to the exhaust vent passage 14a and the supply chamber 15b that leads to the supply vent passage 14b. Is formed.

  When the exhaust vane 6a and the supply vane 6b are respectively rotated by the exhaust motor 5a and the supply motor 5b, the indoor intake airflow A1 is horizontal along the ceiling surface T from the panel intake port UI. While being sucked in, the outdoor air supply air B1 is supplied from the air supply port SI.

  Then, when the suction airflow A1 is sucked horizontally along the ceiling surface T from the panel suction port UI, the forward direction is blocked by the separator 12, so the traveling direction of the suction airflow A1 is changed, and the exhaust airflow A2 It is led to the heat exchanger 9. Further, when the outdoor air supply air B1 is supplied from the air supply port SI, since the heat exchanger 9 is installed in front of the air supply port SI, the air supply air B1 is guided to the heat exchanger 9. . When the exhaust flow A2 and the supply airflow B1 are guided to the heat exchanger 9, heat exchange is performed between the exhaust flow A2 and the supply airflow B1, and then the exhaust flow A2 flows into the exhaust fan 7a. The air supply air B1 flows into the air supply fan 7b. Here, by performing heat exchange between the exhaust air flow A2 and the air supply air flow B1, exhaust heat can be recovered, and the load on air conditioning can be reduced.

  When the exhaust flow A2 flows into the exhaust fan 7a, the exhaust fan A is guided in the direction of the exhaust port SO by the exhaust fan 7a and exhausted from the exhaust port SO to the outside of the room. On the other hand, when the air supply air B1 flows into the air supply blower 7b, the air supply air blower 7b guides the airflow B1 in the direction of the lower panel 3 and sends it out through the air blower outlet 17. When the air supply air B1 is sent out through the blower outlet 17, the front is blocked by the lower panel 3, the side is blocked by the wall surfaces 2a and 2b, and the rear is blocked by the separator 12. Therefore, the air is blown horizontally into the room along the ceiling surface T as the blown airflow B2 from the panel blowout port UO.

  When the suction airflow A1 is sucked horizontally along the ceiling surface T from the panel suction port UI, and the blowout airflow B2 is blown horizontally along the ceiling surface T from the panel blowout port UO, the panel blowout port UO → Indoor ceiling surface T-> indoor wall surface-> indoor floor surface-> indoor wall surface-> indoor ceiling surface T-> a ventilation flow that circulates indoors through the route of panel suction port UI is generated, and ventilation stagnation is generated. While suppressing, indoor ventilation can be performed.

  Further, by causing the blown air flow B2 and the suction air flow A1 to flow horizontally along the ceiling surface T, noise from the exhaust blower 7a and the air supply blower 7b is reduced to the panel blowout port UO and the panel blowout port UO. Can be prevented from reaching directly to the person directly under the product, and quietness can be improved.

Embodiment 2. FIG.
FIG. 6 is an exploded perspective view showing a schematic configuration of the attachment portion of the decorative panel according to the second embodiment of the simultaneous supply / exhaust ventilation fan according to the present invention, and FIG. 7 shows the chamber 11 of the simultaneous supply / exhaust ventilation fan of FIG. It is sectional drawing which shows typically an example of the arrangement | positioning state of a separator 12 with. 6 and 7, a panel mounting bracket 21 is provided on the lower surface of the outer casing 1 and is fixed to the outer casing 1.

  Here, the outer frame of the panel mounting bracket 21 can be configured to correspond to the outer periphery of the main body opening 4 provided on the lower surface of the exterior casing 1 and can have a rectangular tube shape. Further, the surface of the panel mounting bracket 21 facing the exterior casing 1 is provided with a suction side opening 21a that guides the suction airflow A1 sucked from the panel suction port UI into the exterior casing 1, and the blower blower of FIG. An outlet side opening 21b is provided that guides the supply airflow B1 blown out from the outlet 17 to the panel outlet UO as the outlet airflow B2.

  The panel exterior frame 23 is attached to the panel mounting bracket 21 so as to move up and down with respect to the panel mounting bracket 21. Here, the outer frame of the panel outer frame 23 can be configured so that the panel outer frame 23 and the panel mounting bracket 21 can be shifted up and down while being in close contact with the outer frame of the panel mounting bracket 21.

  Further, on both sides of the panel outer frame 23, wall surfaces 23a and 23b are formed to restrict the advancing direction of the suction airflow A1 and the blown airflow B2 along the lower surface panel 103 in one direction. In addition, a cushioning material may be provided between the panel mounting bracket 21 and the panel exterior frame 23 in order to prevent wind leakage from occurring between the panel mounting bracket 21 and the panel exterior frame 23.

  Here, in order to restrict the moving direction of the panel outer frame 23 relative to the panel mounting bracket 21, the panel mounting bracket 21 is formed with a groove 22 in the vertical direction, and the panel outer frame 23 has a groove 22. A rail 24 that can be fitted is formed. Note that a rail may be formed on the panel mounting bracket 21 and a groove may be formed on the panel exterior frame 23.

  Further, the panel mounting bracket 21 and the lower panel 103 are provided with separators 25 and 27 for preventing the suction airflow A1 sucked from the panel suction port UI and the blowing airflow B2 blown from the panel outlet UO from crossing each other. Is provided. In addition, the separators 25 and 27 can be comprised by a partition plate or a partition, and can be arrange | positioned perpendicularly to the lower surface panel 103. FIG. Moreover, the separators 25 and 27 can be comprised by elastic bodies, such as resin. The separators 25 and 27 are provided with fitting structures 26 and 28, respectively. Here, the fitting structures 26 and 28 can be configured so that the separators 25 and 27 can be shifted up and down while the separators 25 and 27 are closely fitted to each other.

  And the panel suction inlet UI and the panel blower outlet UO are formed in the lower surface panel 103 by being fixed to the panel exterior frame 23 so that the both ends vicinity of the lower surface panel 103 may be supported by wall surface 23a, 23b.

  In addition, the space under the outer casing 1 partitioned by the panel mounting bracket 21 is divided into two by the separators 25 and 27, so that the exhaust chamber 29 a leading to the exhaust ventilation path 14 a of the outer casing 1 and the outer casing 1 An air supply chamber 29b communicating with the air supply passage 14b is formed.

  Then, the suction airflow A1 horizontally sucked from the panel suction port UI is changed to a vertical direction by the separators 25 and 27, and is guided to the exhaust ventilation path 14a of the outer casing 1 through the exhaust chamber 29a. On the other hand, the supply airflow B1 sent vertically from the blower outlet 17 is changed in the direction of travel horizontally by the lower panel 103, and is blown horizontally into the room from the panel outlet UO as the outlet airflow B2.

  This makes it possible to prevent the supply airflow B1 sent from the blower outlet 17 from being directly blown out as the blowout airflow B2, and to reduce the blowing sound from the supply air blower 7b.

  Further, by configuring the panel exterior frame 23 and the panel mounting bracket 21 so as to be vertically shifted from each other, the interval between the exterior casing 1 and the lower panel 103 can be adjusted. For this reason, the vertical position of the lower surface panel 103 can be adjusted according to the gap between the outer casing 1 and the ceiling surface T of FIG. 2 at the time of enforcement, and even when the thickness of the ceiling surface T is not constant Thus, it is possible to prevent the lower panel 103 from being fixed at a position where it protrudes too much from the ceiling surface T, or the lower panel 103 from being fixed at a position retracted into the ceiling surface T.

Embodiment 3 FIG.
FIG. 8 is a cross-sectional view showing the third embodiment of the simultaneous supply / exhaust ventilation fan according to the present invention cut along the flow direction of the suction airflow A1 and the blowout airflow B2. 8, in this simultaneous supply / exhaust type ventilation fan, a lower surface panel 113 is provided instead of the lower surface panel 3 of FIG. Here, the lower surface panel 113 is configured to project horizontally to the outside of the panel exterior frame 2 on the suction side of the suction airflow A1 and the blowout airflow B2.

  And by arrange | positioning so that the lower surface panel 113 may oppose the ceiling surface T in the suction side of suction airflow A1, and the blowing side of blowing airflow B2, panel suction inlet UI 'and panel blower outlet UO' become a lower surface panel. It is formed between 113 and the ceiling surface T.

  Then, the suction airflow A1 horizontally sucked from the panel suction port UI ′ is changed in the traveling direction to the vertical direction by the separator 12, and the exhaust airflow A2 is discharged from the exhaust port SO through the heat exchanger 9 and the exhaust fan 7a. Exhausted to the outside.

  On the other hand, the outdoor air supply air B1 supplied from the air supply port SI is blown out from the blower outlet 17 through the heat exchanger 9 and the air supply blower 7b. And the advancing direction is changed horizontally by the lower surface panel 113, and it blows off horizontally in the room | chamber interior as blowing airflow B2 from panel blower outlet UO '.

  Thereby, it becomes possible to give directivity to the horizontal direction along the ceiling surface T with respect to the operation noise from the panel suction inlet UI ′ and the panel outlet UO ′. For this reason, it becomes possible to prevent noise directly reaching the person directly under the product from the panel inlet UI ′ or the panel outlet UO ′, and the noise can be reduced with respect to the person underneath.

Note that the noise is gradually reduced until the amount G of protrusion of the lower surface panel 113 from the panel exterior frame 2 reaches 80 mm. For example, when the amount of arousing air is 500 m ³ / h, when the overhang amount G is set to 30 mm, the noise reduction effect is −2 dB, and when the overhang amount G is set to 80 mm, the noise reduction effect is −3 dB.

  On the other hand, the larger the overhang G of the lower panel 113, the greater the noise reduction effect. However, when the overhang G exceeds 80 mm, the design of the lower panel 113 is impaired and the increase in the noise reduction effect is reduced. For this reason, it is preferable to set the protruding amount G of the lower surface panel 113 from the panel exterior frame 2 within a range of 30 to 80 mm.

  In addition, in the example of FIG. 8, although the structure which made the lower surface panel 113 protrude horizontally on the outer side of the panel exterior frame 2 in both the suction side of the suction airflow A1 and the blowing side of the blowing airflow B2, the suction airflow was demonstrated. You may make it make the lower surface panel 113 project horizontally on the outer side of the panel exterior frame 2 about either one of the suction side of A1, and the blowing side of blowing airflow B2.

Embodiment 4 FIG.
FIG. 9 is a cross-sectional view showing the fourth embodiment of the simultaneous supply / exhaust ventilation fan according to the present invention, cut along the flowing direction of the suction airflow A1 and the blowout airflow B2. In FIG. 9, in this simultaneous supply / exhaust type ventilation fan, a lower surface panel 123 is provided instead of the lower surface panel 3 of FIG. Here, the lower panel 123 is configured such that the end faces obliquely downward on the outlet side of the outlet airflow B <b> 2, so that the panel outlet UO ″ is configured by the lower panel 123.

  Then, the suction airflow A1 horizontally sucked from the panel suction port UI is changed in the traveling direction to the vertical direction by the separator 12, and from the exhaust port SO as the exhaust flow A2 via the heat exchanger 9 and the exhaust fan 7a. Exhausted outside the room.

  On the other hand, the outdoor air supply air B1 supplied from the air supply port SI is blown out from the blower outlet 17 through the heat exchanger 9 and the air supply blower 7b. And the advancing direction is changed diagonally downward by the lower surface panel 123, and it blows off diagonally downward into the room | chamber interior as blowing airflow B2 from panel blower outlet UO ''.

  As a result, it is possible to prevent the blown air flow B2 from directly hitting a person directly under the product, and it is possible to reduce the draft feeling particularly in winter, and the blown air flow B2 is caused to fall on the ceiling surface T by the Coanda effect. It is possible to prevent the ceiling surface T from becoming dirty due to the blown airflow B2.

  In addition, it is preferable to set the run-up distance H by the lower surface panel 123 of the blowing airflow B2 within the range of 30-50 mm. Moreover, it is preferable to set the blowing angle of the blowing airflow B2 within a range of 30 to 45 degrees with respect to the ceiling surface T.

  In addition, in the example of FIG. 9, although the structure which bent the edge part of the lower surface panel 123 diagonally downward was demonstrated in the blowing side of blowing airflow B2, the suction side of suctioning airflow A1 and the blowing side of blowing airflow B2 In both cases, the end of the lower surface panel 123 may be bent so as to face obliquely downward.

Embodiment 5 FIG.
FIG. 10: is a perspective view which shows schematic structure of the lower surface panel part of Embodiment 5 of the simultaneous supply / exhaust type ventilation fan based on this invention. In FIG. 10, a lower panel 33 can be attached below the outer casing 1 of FIG. 3 via a panel outer frame 31. Here, on both sides of the panel exterior frame 31, wall surfaces 31a and 31b that define the traveling directions of the suction airflow A1 and the blown airflow B2 are formed.

  In addition, the lower panel 33 is provided with a separator 35 that prevents the suction airflow A1 and the blown airflow B2 from crossing each other. The lower panel 33 is divided into two along the separator 35, and is configured so that one side can be folded outward with the boundary as a fulcrum. Here, the lower surface panel 33 can expose the heat exchanger 9 by opening one divided side.

  The lower panel 33 is formed with a hook structure 34 that supports the lower panel 33 with the panel outer frame 31 when one side of the lower panel 33 is folded back.

  In addition, an exhaust-side dust removal filter 32 is attached to the panel outer frame 31 and is disposed between the suction-side opening 21a and the panel suction port UI in FIG. The exhaust-side dust removal filter 32 can cover the entire panel suction port side of the panel exterior frame 31 partitioned by the separator 35.

  Then, the suction airflow A <b> 1 sucked horizontally from the panel suction port UI is changed in the traveling direction to a vertical direction by the separator 35 and passes through the exhaust-side dust removal filter 32. Then, after dust is removed by the exhaust-side dust removal filter 32, the exhaust flow A2 is guided to the outer casing 1 of FIG. Then, the air is exhausted from the exhaust port SO through the heat exchanger 9 and the exhaust fan 7a of FIG.

  On the other hand, the outdoor air supply air B1 supplied from the air supply port SI passes through the air supply side dust removal filter 16 of FIG. Then, after dust is removed by the air supply side dust removal filter 16, the air is blown out from the blower outlet 17 through the heat exchanger 9 and the air supply blower 7 b. And the advancing direction is changed horizontally by the lower surface panel 33, and it blows off horizontally in the room as the blowing airflow B2 from the panel blower outlet UO.

  Here, the lower panel 33 is divided into two parts so that one side of the lower panel 33 can be folded outward, so that it is not necessary to remove the entire lower panel 33 during maintenance such as cleaning, and workability during maintenance can be improved. Can be improved.

  In addition, by dividing the lower panel 33 into two parts, it is not necessary to handle the entire lower panel 33 integrally, and the transportation and manufacture of the lower panel 33 can be facilitated.

  Further, the exhaust side dust removal filter 32 is disposed between the suction side opening 21a and the panel suction port UI of FIG. 6, and the air supply side dust removal filter 16 is disposed between the air supply port SI and the heat exchanger 9. Thus, even when only one side of the lower surface panel 33 is folded outward, the air supply side dust removal filter 16 and the exhaust side dust removal filter 32 can be easily taken out, and workability during maintenance can be improved. it can.

  In the above-described embodiment, the method of installing the heat exchanger 9 in the outer casing 1 has been described, but the heat exchanger 9 may not be provided.

  Further, a damper device that opens the bypass ventilation path after closing the bypass ventilation path and the exhaust ventilation path 14a that bypasses the heat exchanger 9 may be provided so that normal ventilation without heat exchange can be performed.

Embodiment 6 FIG.
FIG. 11: is sectional drawing which shows typically schematic structure of Embodiment 6 of the air conditioner which concerns on this invention. In FIG. 11, the air conditioner is provided with an exterior casing 201, and a lower panel 203 is attached below the exterior casing 201 via a panel exterior frame 202. The panel exterior frame 202 can be configured in a rectangular tube shape. Further, as the lower panel 203, for example, a decorative panel can be used.

  A panel suction port UI that sucks the suction airflow A1 and a panel blowout port UO that blows the blowout airflow B2 are formed in the lower panel 203 below the outer casing 201.

  Here, the panel suction inlet UI and the panel blower outlet UO can be formed in the lower surface panel 203 so that it may mutually oppose. In this case, the panel suction port UI and the panel outlet UO are formed along the lower surface panel 203, and the direction of the suction airflow A1 sucked into the panel suction port UI and the outlet airflow B2 blown out from the panel outlet UO. It is preferable to arrange so that the directions are the same.

  In the exterior casing 201, an air supply / exhaust ventilation path 206 is provided to ensure a ventilation path between the panel suction port UI and the panel outlet UO. A fan 204 and a heat exchanger 205 are provided on the air supply / exhaust ventilation path 206. Here, the heat exchanger 205 can adjust the temperature of the suction airflow A1 sucked from the panel suction port UI. The heat exchanger 205 can be provided with, for example, a compressor, a condenser, and an evaporator. The fan 204 can suck the suction airflow A1 into the panel suction port UI and blow it out from the panel outlet UO as the blowout airflow B2.

  Then, when the indoor suction airflow A1 is sucked from the panel suction port UI, the suction airflow A1 is guided into the exterior casing 201. And the suction | inhalation airflow A1 guide | induced in the exterior casing 201 is blown out indoors as the blowing airflow B2 from the panel blower outlet UO, after heat-exchanging with the heat exchanger 205. FIG.

  Here, the panel inlet port UI and the panel outlet port UO are formed on the lower panel 203 so as to face each other, so that the direction of the suction airflow A1 sucked into the panel inlet port UI and the panel outlet port UO are blown out. It is possible to make the direction of the blown air flow B2 the same. For this reason, the suction airflow A1 and the blowing airflow B2 can be made to circulate along the ceiling surface, and it is possible to suppress the occurrence of a short circuit between the blowing airflow B2 and the suction airflow A1. Therefore, the air conditioning efficiency can be improved.

  In the sixth embodiment shown in FIG. 11, the air conditioner is described as an example of the air conditioner. However, the air conditioner may be applied to an air cleaner by using a filter instead of the heat exchanger 205. In addition, as a filtration filter, a dust collection filter, a deodorizing filter, a disinfection filter etc. can be used, for example.

  As described above, the simultaneous supply / exhaust ventilation fan according to the present invention allows the suction airflow and the blowout airflow to flow in the same direction along the ceiling surface, and the blowout airflow blown into the room and the air drawn from the room This method is suitable for a method of suppressing the occurrence of a short circuit with the suctioned airflow.

As such a simultaneous supply / exhaust type ventilation fan, Patent Document 1 discloses that a prismatic heat exchanger is housed in an outer box, the heat exchanger is covered with a ceiling panel, and the outside air supplied from outside is heated. From the inflow side to the outflow side of the exchanger, the air is blown into the room from the indoor side outlet provided in the ceiling panel, and the suction airflow sucked in from the indoor side inlet provided in the ceiling panel is A simultaneous supply / exhaust ventilation fan that exhausts air from the inflow side to the outflow side is disclosed. In this simultaneous supply / exhaust ventilation fan, a plurality of heat exchangers are arranged in parallel in the width direction with the longitudinal ridges facing each other, and the outside air outflow side and the exhaust inflow side of the heat exchanger are respectively opposed to the ceiling panel. the third side face of the side of the ceiling towards the panel along with the indoor air outlet opening is arranged, the indoor side suction port is provided on one side.

In order to solve the above-described problems and achieve the object, a simultaneous supply / exhaust ventilation fan according to the present invention includes an exterior casing in which an exhaust ventilation path and an intake ventilation path independent from each other are formed, and a lower part of the exterior casing. A lower panel that is provided so that the panel inlet and the panel outlet are opposed to each other; and the suction airflow that is accommodated in the outer casing and sucked into the panel inlet is sent to the exhaust ventilation path, comprising an exhaust blower for exhausting said housed in the outer casing, the air supply feed the ventilation path feeding the air current was air supply to the panel outlet and the air supply fan and then blowing the blowing air flow as the panel The suction port and the panel outlet are formed at the edge of the lower panel so that a suction airflow and a blowout airflow are formed along the lower surface panel. It protrudes from the exhaust chamber or the air supply chamber as at least any one of the lower panel of the panel outlet side faces the ceiling surface.

Further, by causing the blown air flow B2 and the suction air flow A1 to flow horizontally along the ceiling surface T, the noise from the exhaust blower 7a and the air supply blower 7b is reduced to the panel blowout port UO and the panel suction port UI. Can be prevented from reaching directly to the person directly under the product, and quietness can be improved.

Then, the suction side and the outlet side of the air stream B2 of the suction air flow A1, that the lower panel 113 is arranged so that the pair toward the ceiling surface T, the panel inlet UI' and panel outlet UO' is, the lower surface It is formed between panel 113 and ceiling surface T.

Claims (12)

An exterior casing in which an exhaust ventilation path and an air supply ventilation path independent from each other are formed;
A lower panel that is provided below the outer casing and forms a panel suction port and a panel outlet so as to face each other;
An exhaust blower that is housed in the exterior casing and sends the suction airflow sucked into the panel suction port to the exhaust ventilation path and exhausts it as an exhaust flow;
A simultaneous supply / exhaust ventilation fan, comprising: a supply air blower that is housed in the exterior casing and that supplies an air supply air supplied to the air supply ventilation path to the panel outlet and blows out as a blowout airflow.   The simultaneous panel according to claim 1, wherein the panel suction port and the panel outlet are formed at an edge of the lower panel so that a suction air flow and a blow air flow are formed along the lower surface panel. Supply / exhaust ventilation fan.   The panel suction port and the panel outlet are arranged so that the direction of the suction air flow sucked into the panel suction port and the direction of the blowout air current blown from the panel outlet are the same. The simultaneous supply / exhaust ventilation fan according to claim 1 or 2.   The simultaneous supply / exhaust ventilation fan according to any one of claims 1 to 3, wherein the panel suction port and the panel outlet are formed between the lower surface panel and a ceiling surface.   5. The apparatus according to claim 1, wherein at least one of the lower surface panel on either the panel suction port side or the panel air outlet side protrudes from the exhaust chamber or the intake chamber so as to face the ceiling surface. 2. A simultaneous supply / exhaust type ventilation fan according to item 1.   The simultaneous supply / exhaust ventilation fan according to claim 1, wherein the panel outlet is directed obliquely downward. A panel exterior frame that is disposed between the lower panel and the exterior casing and is capable of adjusting a distance between the exterior casing;
An exhaust chamber provided in the lower panel and communicating with the exhaust ventilation path, and an air supply chamber communicating with the supply air ventilation path are formed independently of each other together with the wall surface of the panel exterior frame, and an exterior casing and a lower panel; The simultaneous supply / exhaust type ventilation fan according to any one of claims 1 to 6, further comprising a separator capable of adjusting the distance between the two. An exhaust-side dust removal filter provided between the panel suction port and the exhaust fan;
The simultaneous supply / exhaust ventilation fan according to claim 7, further comprising an air supply side dust removal filter provided on an upstream side of the air supply fan.   The simultaneous supply / exhaust ventilation fan according to any one of claims 1 to 8, wherein the lower panel is divided into two so that one side can be opened independently.   The air supply blower sends out the air supply airflow toward the horizontal surface of the lower surface panel, and the air supply airflow is changed in the horizontal direction at the lower surface panel and blown out as an airflow flow from the panel outlet. The simultaneous supply / exhaust ventilation fan according to any one of claims 1 to 9, wherein An exterior casing in which an air supply / exhaust ventilation path is formed;
A lower panel that is provided below the outer casing and forms a panel suction port and a panel outlet so as to face each other;
A fan housed in the exterior casing and blown out from the panel outlet as a blown airflow drawn from the panel inlet;
An air conditioner comprising: a heat exchanger accommodated in the exterior casing and adjusting a temperature of a suction airflow sucked from the panel suction port. An exterior casing in which an air supply / exhaust ventilation path is formed;
A lower panel that is provided below the outer casing and forms a panel suction port and a panel outlet so as to face each other;
A fan housed in the exterior casing and blown out from the panel outlet as a blown airflow drawn from the panel inlet;
An air conditioner comprising: a filter housed in the exterior casing and configured to filter a suction airflow sucked from the panel suction port.

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