JP4685476B2 - Ventilation equipment - Google Patents

Description

  The present invention relates to a ventilator that takes in outside air, mixes it with room air, and blows it out into the room, and a ventilator that supplies outside air into the room.

  Among ventilators that supply air for taking outdoor air into the room, there is one in which an intake fan and a circulation fan are driven by a single electric motor. Outside air is supplied by an intake fan, indoor air is taken in by a circulation fan, outside air and room air are mixed and blown into the room. In addition, there is a type in which indoor air is not circulated and ventilation is performed exclusively by supplying outside air. As for this type of prior art, there are those disclosed in Patent Document 1 and Patent Document 2.

JP 2002-71185 A Japanese Patent Laid-Open No. 4-309739

  In the conventional ventilator of this type, the outside air blown in the radial direction by the intake fan and the indoor air blown in the radial direction by the circulation fan are provided with a clean filter that provides air resistance at the air blowing port. However, it is blown into the room without mixing well. The clean filter does not function when the intake fan and the circulation fan are stopped, and the outdoor air enters the room in a natural state as it is. In this state, pollen, dust and insects contained in the outside air will also enter the room. In addition, since the clean filter is provided inside the blower opening provided on the outer periphery of the grill, the clean filter cannot be attached or detached without removing the grill, and there is a problem that the maintenance of the filter is very difficult.

  The present invention has been made in order to solve the conventional problems, and the problem is that the mixing of the outside air with the indoor air is good, and pollen, dust, insects, etc. even when stopped It is to obtain a ventilator having an air cleaning function that does not enter the room, to obtain a ventilator that can easily maintain the filter, and to expand the function of the ventilator.

  In order to achieve the above object, the present invention provides an air supply to a main body box having an open bottom surface in which an interior air space portion communicating with a room through an indoor suction port and an outside air space portion communicating with the outside through an outdoor suction port are communicated by a mixing chamber. Built-in blower, let the suction port of the supply air blower communicate with the mixing chamber, and let the discharge port of the supply air blower face the indoor blowout opening that leads to the room provided on the open lower surface of the main body box, and mixed in the mixing chamber The indoor air and outside air are agitated by an air supply blower and blown out from the indoor outlet to the room, and an air purification filter is detachably provided in the outside air space that leads to the mixing chamber, and is sucked from the outdoor suction port. For the outside air to be used, a means for always passing through this air purification filter is adopted.

  In order to achieve the above object, another invention has a resin decorative panel detachably mounted in a lid state on the front surface of the open main body box incorporating a supply air blower for taking in outside air. A ventilation device with an indoor outlet opening on the lower surface of the main body box and a filter provided on the upstream part of the air passage. The decorative panel can be rotated to cover the support frame and the surface side of the support frame. The panel is provided with a blow-out opening that communicates with the indoor blow-out port in the peripheral portion, and a means is adopted in which the filter is presented by rotating the panel.

  By adopting the above means, pollen, dust, insects and the like contained in the outside air passing through the room even when the air supply blower is stopped are removed by the air purification filter.

  In addition, by adopting the above means, the filter can be maintained by simply rotating and opening the panel without removing the entire decorative panel.

  The ventilator of the present invention is attached to the ceiling structure of a building so that most of the main body fits in the space behind the ceiling, and the outdoor air sucked through the duct is mixed with the indoor air and supplied into the room It is. The ventilation device itself is detachably attached to a box-shaped resin main body box, an air supply fan assembled in the main body box, and an outdoor suction port provided on one side of the main body box. And a decorative panel that is suspended and attached to the opening on the lower surface of the main body box along the ceiling surface by two fixing springs. The air supply blower is of a multi-blade type, and forms an air supply air flow from an outdoor suction port on one side of the main body box to an indoor outlet arranged on the lower surface of the main body box. The resin fan casing of the air supply blower has an inside air space portion and an outside air space portion separated from each other, a mixing chamber, a scroll chamber, and an indoor air outlet, and the outside air space portion leads to the outdoor suction port and is mixed. It leads to the scroll room through the room. The inside air space portion communicates with the mixing chamber from an indoor suction port provided on the lower surface of the fan casing. An air purification filter that can be inserted and removed from the lower surface side of the fan casing is provided in the outside air space.

  The decorative panel includes a support frame that is suspended from a lower surface of the main body box with a fixed spring, and a panel that is rotatably provided to cover the surface side of the support frame. The panel is provided with a blow-out opening leading to the indoor blow-out opening at the periphery between the support frame. By rotating and opening this panel, the air purification filter can be maintained without removing the entire decorative panel.

  By the operation of the air supply blower, outside air is sucked into the outside air space through the outdoor suction port, and pollen, dust, insects and the like are removed by the air purification filter and enter the mixing chamber. At the same time, the indoor air is sucked into the inside air space from the indoor suction port and enters the mixing chamber. The outside air sucked from the outside air space and the inside air space and the room air are mixed in the mixing chamber, further sucked into the air supply blower, sufficiently stirred by the rotation of the impeller, mixed and blown out from the indoor outlet. The The air blown out from the indoor air outlet is air in a state quantity that is close to the state quantity relating to the temperature of the room where the outside air and room air are well mixed, and is clean and free of pollen, dust, and insects. Air. This air purification filter functions even when the air supply blower is stopped, and prevents pollen, dust, and insects from entering the room from the outside air passage. Since the air purification filter passes only outside air and indoor air does not pass through the air purification filter, the clogging time of the air purification filter becomes longer, and the frequency of maintenance can be suppressed. Further, even if the air purification filter is clogged, the room air is sufficiently blown, so that an overload is not applied to the supply air blower and a failure of the supply air blower is prevented.

Embodiment 1 FIG.
1 is a transverse plan view of the ventilator according to the present embodiment, FIG. 2 is a perspective view of the entire ventilator, FIG. 3 is a perspective view of the ventilator with the panel opened, and FIG. 4 is a decorative panel. FIG. 5 is an exploded perspective view of the ventilation device, FIG. 6 is a perspective view of a front partition member, FIG. 7 is an enlarged sectional view of a terminal cover portion, and FIG. 8 is a storage case. FIG. 9 is a perspective view of the storage case, FIG. 10 is an enlarged cross-sectional view of the decorative panel portion, FIG. 11 is a cross-sectional view showing the configuration of the motor and impeller of the air supply blower, and FIG. It is a perspective view which shows the structure of a filter frame.

  This ventilator is attached to the ceiling structure of the building so that most of the main body fits in the space behind the ceiling, and the outdoor air sucked through the duct is mixed with the indoor air and supplied into the room. . The ventilator itself has a box-shaped resin main body box 1, an air supply fan 2 assembled in the main body box 1, and an outdoor suction port 3 provided on one side of the main body box 1. A duct connection frame 4 that is detachably mounted, a front partition member 6 that is fitted in the opening 5 on the lower surface of the main body box 1, and a makeup that is suspended by two fixed springs along the ceiling surface. It is comprised from the panel 7 (refer FIGS. 1-5). The outdoor suction port 3 can be fitted with a shutter 8. When the ventilation device is stopped for a long period of time, the outdoor suction port 3 can be closed by mounting the shutter 8. Even when the air supply blower 2 is operated with the shutter 8 attached, the air passage for blowing the indoor air is established, the air supply blower 2 is not overloaded, and the air supply blower 2 is broken. Can be prevented.

  The air supply blower 2 is a multi-blade type, and forms an air supply air flow from the outdoor suction port 3 on one side of the main body box 1 toward the indoor outlet 9 disposed on the lower surface of the main body box 1. . The resin fan casing 10 of the air supply blower 2 includes an interior air space 11 and an outside air space 12 that are separated from each other, a scroll chamber 15 in which the mixing chamber 13 and the impeller 14 are accommodated, and an indoor air outlet that communicates with the scroll chamber 15. 9, the outside air space portion 12 communicates with the outdoor suction port 3, and communicates with the scroll chamber 15 through the mixing chamber 13 (see FIG. 5). The inside air space 11 communicates with the mixing chamber 13 from an indoor suction port 16 provided on the lower surface of the fan casing 10. An air purification filter 17 that can be inserted and removed from the lower surface side of the fan casing 10 is provided in the outside air space portion 11. The indoor air outlet 9 of the fan casing 10 is formed in a lower position with a step in the indoor air inlet 16 so as to avoid a short circuit. The electric motor 18 of the air supply blower 2 is mounted on the counter air path side of the motor mounting plate 19 provided vertically to partition the main body box 1 into the air path side and the counter air path side (see FIG. 5). A ring-shaped rising 20 is provided on the wind path side of the portion of the motor mounting plate 19 from which the output shaft of the motor 18 is drawn, and the boss 21 of the impeller 14 of the air supply blower 2 is located inside the rising 20. A cylindrical rib 22 that fits with a gap is provided (see FIG. 11). Thereby, waterproofing of this part is achieved and the bearing of the electric motor 18 and the like are protected from intrusion of water.

  The front partition wall member 6 is formed of a synthetic resin integral molding and is fitted and attached in a watertight state to the opening 5 on the lower surface of the main body box 1 in a lid shape. The front partition member 6 has a rectangular first opening 25 surrounded by a separation wall 24 communicating with the indoor outlet 9 together with the terminal port 23 on the side opposite to the wind passage, and a rectangular first opening 25 communicating with the indoor suction port 16. The second opening 26, a window 27 for inserting the air purification filter 17, and an elastic claw 30 as a fixing part for fixing the filter frame 29 of the air purification filter 17 are provided. The second opening portion 26 is provided with an air volume adjusting plate 31 that changes its opening area by a slide operation and makes the opening area variable, so that the mixing ratio of indoor air can be adjusted (see FIG. 5). ). On the opposite side portion of the front partition member 6, an attachment structure for hooking two spring legs opened by a fixed spring is integrally formed. By fixing the front partition member 6 to the main body box 1, the entire air supply blower 2 is firmly fixed in the main body box 1 without any special fixing parts. The isolation wall 24 prevents a short circuit between the airflow from the indoor air outlet 9 and the airflow sucked into the indoor air inlet 16.

  The inner surface of the main body box 1 facing the terminal port 23 of the front partition wall member 6 is provided with a grooved ridge that is fitted with a seal, and a protective sleeve between the open end of the terminal port 23 Is provided. The terminal port 23 is provided with a terminal cover 34 that can be opened and closed by a hinge, which is sealed in a watertight state by a fitting 33 using a seal (see FIG. 7). The terminal cover 34 is closed by an edge that is hooked on a locking projection 35 provided on the front partition wall member 6. Thereby, the inside of the protective sleeve is isolated from moisture even in a high humidity atmosphere. At the position corresponding to the end of the protective sleeve on the top surface portion of the main body box 1, an opening for drawing the external power supply wire to be input to the air supply blower 2 into the main body box 1 is provided. Is provided with a connection terminal 36 having a quick connection terminal.

  The connection terminal 36 is attached to a steel plate terminal mounting plate as shown in FIGS. 8 and 9, and an external power supply wire drawn from the top surface of the main body box 1 through a bush provided on the terminal mounting plate. It is connected to the connection terminal 36. A capacitor 37 for rotating the motor and a voltage dividing capacitor 38 for adjusting the speed are also mounted on the terminal mounting plate, and are covered with a cover to constitute a storage case 39. The entire storage case 39 is surrounded by a protective sleeve. In addition, a ground terminal is connected to the terminal mounting plate, and the terminal mounting plate and the cover are electrically connected. When connecting the quick connection terminals, the terminal cover 34 is opened with a knob, connected and closed, no special tools are required, no screw tightening operation is required, and the workability is good. The front partition wall member 6 and the terminal cover 34 are a seal 33 having a high sealing property, and the electrical components are reliably protected from moisture.

  As shown in FIG. 3, the decorative panel 7 includes a support frame 40 that is suspended and supported on the front partition wall member 6 by a fixed spring, and a panel that is rotatably provided to cover the surface side of the support frame 40 with an interval therebetween. 41. An engaging claw 42 is provided on the side opposite to the hinge of the panel 41, and an engaging portion 43 that engages and locks the engaging claw 42 is provided on the corresponding support frame 40. The support frame 40 is provided with a front suction opening 44 that leads to the indoor suction opening 16 and a blowout opening 45 that leads to the indoor blowout opening 9. A separation partition wall 46 is provided to separate the blowing opening 45 and the suction opening 44 of the support frame 40 of the decorative panel 7, thereby preventing a short circuit between them. The support frame 40 is provided with a wind direction changing structure 47 for directing the blown air flow toward the panel 41 at the edge thereof, and adopts a structure that prevents the blown airflow away from the ceiling surface and prevents the ceiling surface from being soiled ( (See FIG. 10). Further, an edge 48 of the panel 41 and a rising edge 48 as shown in FIG. 10 standing on the back side are provided on the inner side of the edge, and it becomes a drain when a large amount of mist-like water droplets are included in the supply air. Even if it drops, it is received by the panel 41 and does not drop on the floor or the like. The rectangular blowout opening 45 of the support frame 40 is provided with a rectifying plate 49 that straddles the rectangular blowout opening 45 so that the blowout air flow rate is made uniform.

  Between the support frame 40 and the panel 41 of the decorative panel 7, a storage unit 50 that can store a cartridge that emits fragrance and the like is provided, and the air blown into the room can be fragranced. Although the air purification filter 17 is housed in the filter frame 29, several types of air purification filters 17 having different functions may be attached to the filter frame 29 as shown in FIG. For example, multifunctional air purification is realized by a combination of a pollen removal filter and a deodorization filter, a combination of a VOC removal filter, or the like.

  This ventilator is normally operated with the shutter 8 removed. The opening area of the outdoor suction port 3 is about twice as large as the opening area of the indoor suction port 16, and 70% of the air from the outdoor suction port 3 and 30% of air from the indoor suction port 16 are sucked and mixed in the mixing chamber 13. The air is blown to the air blower 2 and supplied from the indoor air outlet 9 to the room as mixing air. Further, the temperature of the air-fuel mixture blown out into the room can be changed by changing the indoor air mixing ratio by the sliding operation of the air volume adjusting plate 31. Maintenance of the air purifying filter 17 can be performed by pulling out the air purifying filter 30 from the elastic claw 30 provided on the front partition wall member 6 by rotating the panel 41 of the decorative panel 7 and opening it without removing the entire decorative panel 7. But it can be done easily. Moreover, even when the structure of the decorative panel 7 is applied to an exhaust ventilation device, maintenance such as cleaning can be easily performed if the panel is rotated and opened.

It is a cross-sectional top view of a ventilation apparatus. (Embodiment 1) It is a perspective view of the whole ventilation apparatus. (Embodiment 1) It is a perspective view of the ventilation apparatus of the state which opened the panel. (Embodiment 1) It is a perspective view of the ventilation apparatus which removed and showed the decorative panel. (Embodiment 1) It is a disassembled perspective view of a ventilation apparatus. (Embodiment 1) It is a perspective view of a front partition member. (Embodiment 1) It is an expanded sectional view of a terminal cover part. (Embodiment 1) It is a disassembled perspective view of a storage case. (Embodiment 1) It is a perspective view of a storage case. (Embodiment 1) It is an expanded sectional view of a decorative panel part. (Embodiment 1) It is sectional drawing which shows the structure of the electric motor and impeller of an air supply fan. (Embodiment 1) It is a perspective view which shows the structure of a filter frame. (Embodiment 1)

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Main body box, 2 Supply air blower, 3 Outdoor suction port, 5 Opening part, 6 Front partition member, 7 Cosmetic panel, 9 Indoor blower outlet, 11 Inside air space part, 12 Outside air space part, 13 Mixing chamber, 14 Impeller , 16 indoor suction port, 17 air purification filter, 18 electric motor, 20 rising, 21 boss, 22 rib, 24 isolation wall, 29 filter frame, 30 elastic claw, 31 air volume adjustment plate, 33 fitting by stamp, 34 terminal cover, 35 Locking projection, 36 Connection terminal, 40 Support frame, 41 Panel, 42 Engagement claw, 43 Engagement part, 46 Separation partition, 47 Wind direction change structure, 48 Rise, 49 Current plate, 50 Storage part.

Claims (16)

And the internal air space which communicates with the chamber by the indoor inlet incorporates air supply blower body box body which is open in the lower surface which is contacted by the mixing chamber outside air space communicating with the outside by the outdoor suction port, the suction port of the air supply blower To the mixing chamber, and let the discharge port of the air supply blower face the indoor outlet provided in the open lower surface of the main body box, so that the indoor air and the outside air mixed in the mixing chamber are It is configured to be agitated by the air supply blower and blown out from the indoor outlet to the room, and an air purification filter is detachably provided in the outside air space that leads to the mixing chamber, and is sucked from the outdoor suction port the outside air, always to pass through the air cleaning filter,
A front partition member is fitted and attached to the open portion of the open lower surface of the main body box in a watertight state in a lid shape, and a rectangular first surrounded by an isolation wall communicating with the indoor outlet is attached to the front partition member. An opening, a rectangular second opening communicating with the indoor suction port, a window for inserting the air purification filter, and a fixing portion for fixing a filter frame of the air purification filter;
Furthermore, the ventilation apparatus which gave the function which fixes the said supply air blower in the said main body box in the said front partition member . It is a ventilator of Claim 1, Comprising: The ventilator which provided the opening-and-closing shutter in the outdoor suction inlet. The ventilator according to claim 1 or 2 , wherein an air volume adjusting means for changing an opening area of the indoor suction port is provided. The ventilation device according to any one of claims 1 to 3, wherein the ventilation device has a connection terminal for power connection, and the connection terminal is provided in a portion outside the air passage of the air supply blower in the main body box. apparatus. The ventilator according to claim 4 , wherein the front partition member is provided with an opening portion for presenting the connection terminal, and the open portion is provided with an openable / closable terminal cover. 6. The ventilation device according to claim 5 , wherein the front partition member and the terminal cover are in a closed form in which a seal is fitted. The ventilator according to any one of claims 5 and 6 , wherein the terminal cover is maintained in a closed state by latching of a latching structure provided on the terminal cover and the front partition member. The ventilator according to any one of claims 4 to 7 , wherein electrical parts such as a connection terminal and a capacitor are housed in a storage case. The ventilator according to any one of claims 1 to 8 , wherein an electric motor mounting plate for mounting an electric motor of an air supply blower is provided so as to be isolated from an air passage side, and the electric motor is provided on an anti-air passage side, A ventilator in which a ring-shaped rise is provided on the air passage side of the portion from which the output shaft of the electric motor is drawn, and a cylindrical rib that fits with a gap inside the rise is provided on the boss of the impeller of the air supply blower. The ventilation device according to any one of claims 1 to 9 , further comprising a detachable decorative panel that covers the open part of the lower surface of the main body box in a lid shape, the decorative panel comprising a support frame, A ventilation device comprising a panel provided rotatably so as to cover the surface side of the support frame, and having a suction opening that leads to an indoor suction port and a blow-off opening that leads to the indoor blow-out port in the decorative panel. The ventilator according to claim 10 , wherein the decorative panel is provided with a partition wall separating the blowout opening and the suction opening. A ventilating device according to claim 10 or claim 1 1, the ventilation device provided with a direction changing structure directing air flow to the panel side balloon at the edge of the support frame. The ventilator according to any one of claims 10 to 12 , wherein a baffle plate is provided at a blowout opening of the decorative panel so as to equalize a blown air flow rate. The ventilator according to any one of claims 10 to 13, wherein a ventilator is provided between the support frame of the decorative panel and a panel that can store a cartridge that emits fragrance or the like. The ventilator according to any one of claims 10 to 14, wherein an edge of the panel of the decorative panel and a rise are provided inside the edge. The ventilation device according to any one of claims 1 to 15 , wherein the air purification filter is housed in a filter frame, and several types of air purification filters having different functions are housed in the filter frame. Ventilation device.

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