TWI391614B - At the same time into the exhaust type ventilation fans - Google Patents

Description

Simultaneous intake and exhaust ventilating fan

The present invention relates to a simultaneous intake and exhaust type ventilating fan, and more particularly to a panel suction port formed by a cosmetic panel fixed to a patio, which sucks air from the room while simultaneously blowing air from the panel outlet to the room. Exhaust type ventilation fan.

In order to reduce the fluctuation of the state quantity in the room, there is a method in which a simultaneous intake and exhaust type ventilating fan is attached to a patio to perform heat exchange and simultaneously perform intake and exhaust.

In the case of such a simultaneous intake and exhaust type ventilating fan, Patent Document 1 discloses a method of forming a hexahedral casing and a stacked hexahedron heat exchanger built in the casing, in the intake and exhaust flow. a heat exchange ventilator that performs heat exchange between the intake and exhaust gases, and the heat exchanger is disposed in the casing with the fluid passage on one side and the fluid passage on the other side alternately in a direction perpendicular to the direction of the vertical direction The intake blower that forms the intake air flow is disposed on one side of the two small ports where the fluid passages of the heat exchanger do not face each other, and the exhaust blower that forms the exhaust flow is disposed on the other side, and the intake passage indoor side blow outlet, The indoor side suction port of the exhaust passage is formed to be separated from the lower surface of the casing facing the surface of the opening of the fluid passage on one side of the heat exchanger.

[Patent Document 1] Japanese Patent Publication No. 11-248216

However, according to the technique of Patent Document 1, the air intake blower, the heat exchanger, and the exhaust air blower are arranged in a line. Therefore, at the same time, the intake and exhaust type ventilating fan becomes longer in the lateral direction, and there is a hindrance to the compactness of the simultaneous intake and exhaust type ventilating fan.

Further, according to the technique of Patent Document 1, the intake air blower is disposed on the upstream side of the heat exchanger, and the outdoor intake air flow is directly sucked into the intake air blower. Therefore, the air intake blower is easily contaminated and must be frequently cleaned.

In view of the above, an object of the present invention is to provide a simultaneous intake and exhaust type ventilating fan which can be lightened while preventing the outdoor intake air from directly sucking into the intake blower.

In order to solve the above problems, in order to achieve the object of the present invention, a simultaneous intake and exhaust type ventilating fan of the present invention includes: an outer casing forming independent exhaust passages and intake passages; and a lower panel disposed on the outer casing a lower surface of the body is provided with a panel suction port and a panel air outlet; and an exhaust air blower is housed in the outer casing, and the intake airflow sucked into the panel suction port is sent to the exhaust passage as an exhaust gas flow. Exhaust air; an air intake blower is housed in the outer casing, and the intake air flow that has flowed into the intake passage is sent to the panel air outlet to be blown out as a blown air flow; and a heat exchanger is disposed On the upstream side of the intake blower, heat is exchanged between the exhaust flow and the intake flow.

According to the present invention, it is possible to prevent the outdoor intake air from being directly sucked into the intake air blower while being lighter.

Hereinafter, an embodiment of the same-intake type ventilating fan of the present invention will be described in detail based on the drawings. Moreover, this embodiment does not limit the invention.

Fig. 1 is a perspective view showing an example of an internal structure of a ventilating fan of a simultaneous intake and exhaust type. Fig. 2 is a cross-sectional view of the simultaneous intake and exhaust type ventilating fan along the flow direction of the suction airflow A1 and the blown airflow B2 along the first diagram. Fig. 3 is a perspective view showing an example of the internal structure of the simultaneous intake and exhaust ventilating fan of Fig. 1.

In the first to third figures, the main body opening portion 4 is formed on the lower surface of the outer casing 1, and the suction airflow A1 sucked into the panel suction port UI enters the outer casing 1, or the outer casing 1 is sucked. The intake air flow B1 inside is discharged outside the outer casing 1. Then, under the outer casing 1, the lower panel 3 is attached to cover the main body opening 4 via the panel outer frame 2. Further, the panel outer frame 2 has an outer frame formed in a rectangular tube shape along the outer circumference of the opening portion 4. Further, for example, a makeup panel can be used for the lower panel 3.

Here, on the side surface of the outer casing 1, an exhaust port SO for exhausting the exhaust gas flow A2 to the outside of the outer casing 1 and intake air for inhaling the intake air flow B1 into the outer casing 1 are provided. Port SI. Further, under the outer casing 1, a panel suction port UI for taking in the suction airflow A1 and a panel air outlet U0 for blowing the blown airflow B2 are formed by the lower panel 3.

Here, the panel suction port UI and the panel air outlet U0 are formed by the lower panel 3 facing each other. At this time, the panel suction port UI and the panel outlet port UO are formed along the lower panel 3, and the direction of the suction airflow A1 sucked into the panel suction port UI and the direction of the blown airflow B2 blown from the panel outlet U0 are preferably arranged to be the same. .

Further, the lower panel 3 is provided with a separator 12 for preventing the suction airflow A1 sucked from the panel suction port UI from intersecting with the blown airflow B2 blown from the panel air outlet U0. Further, the separator 12 may be constituted by a partition plate or a partition wall, and may be disposed such that the suction direction of the suction airflow A1 and the blowing direction of the blown airflow B2 are orthogonal to each other.

Further, wall faces 2a and 2b are formed on both sides of the panel exterior frame 2, and the suction airflow A1 and the blown airflow B2 are restricted in one direction along the traveling direction of the lower panel 3.

Further, the outer casing 1 is such that the exhaust gas flow A2 discharged from the exhaust port SO and the intake air flow B1 that is intake from the intake port S1 are separated from each other in the outer casing 1, and the exhaust passage 14a is separated. The intake passage 14b is formed independently of each other in the outer casing 1. Then, the outer casing 1 houses an exhaust fan 7a, an air intake blower 7b, a heat exchanger 9, and a circuit board 10. Here, the exhaust blower 7a is disposed on the exhaust passage 14a, and the intake blower 7b is disposed in the intake passage 14b, and the exhaust blower 7a and the intake blower 7b are disposed to face each other. The faces of the exchangers 9 that are orthogonal to each other. The heat exchanger 9 is disposed on the exhaust passage 14a and the intake passage 14b, and is disposed on the upstream side of the intake blower 7b.

The exhaust fan 7a conveys the intake airflow A1 of the suction panel suction port UI to the exhaust passage 14a, and discharges it as the exhaust gas flow A2 from the exhaust port SO. Further, the exhaust fan 7a is provided with an exhaust vane 6a that forms the exhaust gas flow A2, an exhaust electric motor 5a that rotates the exhaust fan blade 6a, and an exhaust gas vane 6a and an exhaust electric motor 5a. The scroll-shaped exhaust fan case 8a.

Further, the intake air blower 7b feeds the intake air flow B1 that has taken in air from the intake port SI to the intake passage 14b to the panel air outlet U0, and blows it out from the panel air outlet U0 as the air flow B2. Further, the intake blower 7b is provided with an intake vane 6b that forms the intake air flow B1, an intake electric motor 5b that rotates the intake vane 6b, and an air intake vane 6b and an intake electric motor 5b. The scroll-shaped intake fan case 8b. Further, in the intake fan casing 8b, the blower outlet 17 through which the intake air flow B1 passes is opposed to the lower panel 3.

Further, the heat exchanger 9 can exchange heat between the exhaust gas flow A2 discharged from the exhaust port SO and the intake air flow B1 that is intake from the intake port S1. Further, as shown in Fig. 3, the heat exchanger 9 has a hexahedron structure in which the air passages orthogonal to each other form each other. Here, in the heat exchanger 9, the inflow surface of the exhaust gas flow A2 is disposed toward the lower panel 3, and the inflow surface of the intake air flow B1 is disposed to face the intake port SI. Then, the heat exchanger 9 is disposed in the outer casing 1 such that, with respect to the exhaust gas flow A2, the air passage in the heat exchanger 9 is secured in the vertical direction with respect to the lower panel 3, and is blown out for the intake air flow B1. The air passage in the heat exchanger 9 is ensured in the blowing direction of the air flow B2.

Further, on the circuit board 10, a power supply circuit that supplies power to the exhaust motor 5a and the intake motor 5b, and a control circuit that controls the rotation of the exhaust motor 5a and the intake motor 5b are mounted.

Here, the intake port S1 and the exhaust port SO are arranged in a direction orthogonal to the suction direction of the suction airflow A1 and the blowing direction of the blown airflow B2. Further, the intake port S1, the heat exchanger 9, and the intake blower 7b are sequentially arranged along the suction direction of the suction airflow A1 and the blowing direction of the blown airflow B2. Further, the exhaust port SO, the exhaust fan 7a, and the circuit board 10 are arranged along the suction direction of the suction airflow A1 and the blowing direction of the blown airflow B2. In other words, the heat exchanger 9 and the circuit board 10 are disposed at diagonal positions of one side of the outer casing 1, and the air intake blower 7b and the exhaust air blower 7a are disposed on the other side of the outer casing 1. In the angular position.

Moreover, the exhaust vane 6a is disposed to face the stacking surface of the heat exchanger 9. Further, the exhaust motor 5a is disposed on the heat exchanger 9 side. Further, the exhaust fan case 8a is connected to the exhaust port SO. Further, the intake vane 6b is disposed to face the outflow surface of the intake air flow B1 in the heat exchanger 9. Further, the intake motor 5b is disposed on the opposite side of the heat exchanger 9.

Further, between the exhaust port SO and the heat exchanger 9, an intake side dust filter 16 that removes the intake air flow B1 is provided. Further, the space below the outer casing 1 partitioned by the panel outer casing 2 is divided into two by the separator 12, thereby forming an exhaust chamber 15a passing through the exhaust passage 14a and an intake chamber passing through the intake passage 14b. 15b.

Then, when the simultaneous intake and exhaust type ventilating fan is installed in the house, the lower panel 3 protrudes from the ceiling surface to the indoor side, and the outer casing 1 can be placed in the patio. Here, the lower panel 3 is disposed to face the patio surface.

When the exhaust fan 6a and the intake fan 6b are rotated by the exhaust motor 5a and the intake motor 5b, respectively, the indoor intake airflow A1 is horizontally sucked from the panel suction port UI along the ceiling surface. The outdoor intake air flow B1 is intake from the intake port SI.

Then, when the suction airflow A1 is horizontally sucked along the ceiling surface along the panel suction port UI, the front side is blocked by the separator 12, and the traveling direction of the suction airflow A1 is changed, and the exhaust gas flow A2 is introduced into the heat exchanger 9. Further, when the outdoor intake air flow B1 is intake from the intake port SI, the heat exchanger 9 is provided on the front surface of the intake port SI, and the intake air flow B1 is introduced into the heat exchanger 9. Then, when the exhaust gas flow A2 and the intake air flow B1 are introduced into the heat exchanger 9, heat exchange is performed between the exhaust gas flow A2 and the intake air flow B1, and then the exhaust gas flow A2 flows into the exhaust air blower 7a while the intake air flows. The flow B1 flows into the intake blower 7b. Here, heat exchange is performed between the exhaust gas flow A2 and the intake air flow B1, and exhaust heat can be recovered, and the load applied to the cold and warm room can be reduced.

Then, when the exhaust gas flow A2 flows into the exhaust air blower 7a, it is guided to the exhaust port SO by the exhaust air blower 7a, and is exhausted from the exhaust port SO to the outside. On the other hand, when the intake air flow B1 flows into the air intake blower 7b, it is guided to the lower panel 3 by the air intake blower 7b, and is sent out through the blower air outlet 17. Then, when the intake air flow B1 is sent out through the blower air outlet 17, the front side is blocked by the lower panel 3, the side is blocked by the wall surfaces 2a, 2b, and the rear side is blocked by the separator 12, so that the blown air flow B2 is along the panel air outlet U0. The patio surface is blown horizontally into the room.

Then, the suction airflow A1 is horizontally sucked from the panel suction port UI along the ceiling surface, and the blown airflow B2 is horizontally blown out from the panel outlet air outlet UO along the ceiling surface to the panel air outlet U0→the indoor patio surface→indoor The wall surface → the floor in the room → the wall surface in the room → the indoor patio → the so-called path of the panel suction port UI circulates inside the house to generate a change air flow, and the ventilation of the room can be suppressed while the indoor air exchange can be performed.

Here, by arranging the heat exchanger 9 on the upstream side of the intake blower 7b, it is possible to prevent the outdoor intake air flow B1 from directly entering the intake blower 7b. Therefore, the air intake blower 7b is less likely to be dirty, and the number of cleanings can be reduced.

Further, the exhaust air blower 7a and the air intake blower 7b are disposed facing each other on the surface of the heat exchanger 9 that is orthogonal to each other, and the intake blower 7b, the heat exchanger 9, and the exhaust blower 7b are not arranged in a row. The exhaust passage 14a and the intake passage 14b are formed independently of each other in the outer casing 1. Therefore, the width of the intake and exhaust type ventilating fan can be shortened at the same time, so that the simultaneous intake and exhaust type ventilating fan can be made compact.

In addition, the intake side dust filter 16 is disposed between the intake port S1 and the heat exchanger 9, and dust and high-humidity air (such as mist) are removed from the intake air flow B1, so that the air intake blower 7b can flow. Therefore, it is possible to reduce the malfunction of the electric motor such as the intake motor 5b caused by the clogging of the air intake blower 7b and the high-humidity air caused by the dust.

Moreover, by arranging the circuit board 10 at a diagonal position of the outer casing 1 in which the heat exchanger 9 is provided, the dead angle can be effectively utilized for the outer casing 1 to achieve a compact size of the intake and exhaust type ventilating fan. the goal of. Moreover, since the circuit board 10 is accommodated in the exterior case 1, the circuit board 10 does not have to be provided outside the exterior case 1. Therefore, the circuit board 10 can be accessed from the main body opening portion 4 of the outer casing 1, and the workability at the time of maintenance of the circuit board 10 can be improved.

Further, the heat exchanger 9 is disposed to face the lower panel 3 by the inflow surface of the exhaust gas flow A2, and the exhaust air passage 14a and the intake air passage 14b can be enlarged in the outer casing 1. Therefore, the pressure loss of the air passage can be reduced, and the ventilation efficiency can be improved.

[Embodiment 2]

Fig. 4 is an exploded perspective view showing a schematic structure of a mounting portion of a makeup panel according to a second embodiment of the present invention, and Fig. 5 is a view showing a gas chamber 11 and a separation of the simultaneous intake and exhaust type ventilating fan of Fig. 4; A cross-sectional view of an example of the arrangement state of the device 12. In FIGS. 4 and 5, a panel mounting metal fitting 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 metal fitting 21 is formed corresponding to the outer periphery of the main body opening portion 4 provided on the lower surface of the outer casing 1, and has a rectangular tubular shape. In addition, the suction side opening 21a is provided on the surface of the panel mounting metal fitting 21 facing the outer casing 1, and the suction airflow A1 sucked into the panel suction port UI is introduced into the outer casing 1, and the air blower from Fig. 1 is provided. The intake air flow B1 blown by the air outlet 17 is provided, and the air flow B1 blown out from the blower air outlet 17 of the first drawing is provided as the air flow B2 to the panel air outlet U0.

Then, the panel exterior frame 23 is attached to the panel mount 21 so as to be movable up and down with respect to the panel mounting fitting 21. Here, the outer frame of the panel outer frame 23 is in close contact with the outer frame of the panel mount 21, and the panel outer frame 23 and the panel mount 21 are vertically offset from each other.

Further, wall faces 23a and 23b are formed on both sides of the panel exterior frame 23, and the suction airflow A1 and the blown airflow B2 are restricted in one direction along the traveling direction of the lower panel 103. Further, since air leakage does not occur from the gap between the panel mount 21 and the panel outer frame 23, a cushioning material can be provided between the panel mount 21 and the panel outer frame 23.

Here, since the moving direction of the panel outer frame 23 with respect to the panel mounting 21 is restricted to the upper and lower sides, the panel mounting member 21 is formed with the groove 22 in the vertical direction, and is formed on the panel outer frame 23 The track 24 is embedded in the slot 22. Moreover, a rail is formed in the panel mount 21, and a groove can be formed in the panel outer frame 23.

Further, the panel mount 21 and the lower panel 103 are provided with separators 25 and 27, respectively, to prevent the intake airflow A1 sucked from the panel suction port UI from intersecting with the blown airflow B2 blown from the panel outlet U0. Further, the separators 25 and 27 are formed by a partition plate or a partition wall, and are vertically disposed on the lower panel 103. Further, the separators 25 and 27 may be formed of an elastomer such as resin. Then, the fittings 26, 28 are provided on the separators 25, 27. Here, the separators 25 and 27 are fitted to each other by the fitting structures 26 and 28, and the separators 25 and 27 are in close contact with each other, and are configured to be vertically offset.

Then, the panel outer wall frame 23 is fixed to the panel outer frame 23 by the wall surfaces 23a and 23b in the vicinity of both ends of the lower panel 103, and the panel suction port UI and the panel air outlet U0 are formed by the lower panel 103.

Further, the space under the outer casing 1 partitioned by the panel mount 21 is divided into two by the separators 25, 27, whereby the exhaust chamber 29a and the communication passage communicating with the exhaust passage 14a of the outer casing 1 are formed. The intake chamber 29b of the intake passage 14b of the outer casing 1 is housed.

Then, the suction airflow A1 sucked horizontally from the panel suction port UI is vertically changed by the separators 25 and 27, and is introduced into the exhaust passage 14a of the outer casing 1 via the exhaust chamber 29a. On the other hand, the intake flow B1 that is vertically sent out from the blower outlet 17 is horizontally moved by the lower panel 103, and is blown out into the room horizontally from the panel outlet U0 to the blown airflow B2.

Thereby, it is possible to prevent the intake air flow B1 sent from the blower air outlet 17 from being blown out as the blown air flow B2, and the blow noise generated from the air intake blower 7b can be reduced.

Further, the panel outer frame 23 and the panel mount 21 are alternately formed upside down, whereby the interval between the outer casing 1 and the lower panel 103 is adjustable. Therefore, in the implementation, the gap between the outer casing 1 and the patio surface of the second drawing can be adjusted, and the position of the lower panel 103 in the vertical direction can be adjusted, and the position of the main body and the patio surface can be different by construction and construction. Next, the lower panel 103 can be simply fitted to the patio surface.

[Embodiment 3]

Fig. 6 is a perspective view showing a schematic structure of a lower panel portion of a third embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention. In Fig. 6, the lower panel 33 can be attached via the panel outer frame 31 below the outer casing 1 of Fig. 1 . Here, on both sides of the panel exterior frame 31, wall faces 31a and 31b are formed to define the traveling direction of the suction airflow A1 and the blown airflow B2.

Further, a separator 35 is provided on the lower panel 33 to prevent the suction airflow A1 from intersecting with the blown airflow B2. Further, the lower panel 33 is divided into two in the separator 35, and is formed by folding back a single side with the boundary as a fulcrum. Here, the lower panel 33 exposes the heat exchanger 9 of Fig. 1 by separating the divided one sides.

Then, when the single side of the lower panel 33 and the lower side of the lower panel 33 are folded back, the suspension structure 34 supported by the panel outer frame 31 is formed.

Moreover, the exhaust side dust filter 32 is attached to the panel outer frame 31, and is disposed between the blower outlet 17 of the first drawing and the panel suction port UI. Further, the exhaust side dust removing filter 32 covers the entire panel suction port side of the panel outer casing 31 partitioned by the separator 35.

Then, the suction airflow A1 sucked horizontally from the panel suction port UI is changed by the separator 35 to the vertical direction, and passes through the exhaust side dust removing filter 32. Then, the exhaust side dust filter 32 is dedusted, so that it becomes the exhaust gas flow A2 and is introduced into the outer casing 1 of Fig. 1 . Then, it is exhausted from the exhaust port SO to the outside through the heat exchanger 9 of FIG. 1 and the exhaust fan 7a.

In this case, the lower panel 33 is divided into two, and the one side of the lower panel 33 is folded back to the outside, so that it is not necessary to remove the entire lower panel 33 during maintenance such as cleaning, and the workability during maintenance can be improved.

Further, by dividing the lower panel 33 into two, it is not necessary to integrally operate the entire lower panel 33, and the conveyance and manufacture of the lower panel 33 can be facilitated.

Moreover, the exhaust side filter 32 is disposed between the blower outlet 17 of the first drawing and the panel suction port UO, and the intake side dust filter 16 is disposed between the intake port S1 and the heat exchanger 9. Even when only one side of the lower panel 33 is folded back to the outside, the intake side dust removing filter 16 and the exhaust side dust removing filter 32 can be easily taken out, and the workability at the time of maintenance can be improved.

[Embodiment 4]

Fig. 7 is a cross-sectional view showing the flow direction of the suction airflow A1 and the blown airflow B2 in the fourth embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention. In the seventh intake and exhaust type ventilating fan, an air filter 41 and a high performance filter 42 are provided as the intake side dust removing filter 16 of Fig. 1 .

Here, the air filter 41 and the high performance filter 42 perform dust removal on the intake air flow B1 that is intake from the intake port SI. Moreover, the high performance filter 42 is formed to have a higher dust removal capacity than the air filter 41. Then, the air filter 41 and the high performance filter 42 are disposed between the intake port S1 and the heat exchanger 9, and the air filter 41 is disposed on the upstream side of the high performance filter 42.

Then, the outdoor intake air flow B1 that is intake from the intake port SI passes through the air filter 41 and the high performance filter 42, thereby dedusting the intake air flow B1. Then, the intake air flow B1 that is sequentially removed by the air filter 41 and the high performance filter 42 is blown out from the blower air outlet 17 via the heat exchanger 9 and the air intake blower 7b. Then, the traveling direction is changed to the horizontal by the lower panel 3, and the blowing airflow B2 is horizontally blown out from the panel blowing outlet UO to the room.

Here, the high-performance filter 42 is disposed between the air filter 41 and the heat exchanger 9, and the deterioration of the resistance (life) due to clogging can be suppressed, and the high-performance filter 42 and the air filter 41 can be integrated. The removal of the ground improves the workability during maintenance.

Moreover, when the lower panel 3 of Fig. 6 is used for the lower panel 3 of Fig. 7, only the single side of the division is opened, and the high performance filter 42 and the air filter 41 can be integrally taken out. Therefore, it is not necessary to take out the entire lower panel 33 during the maintenance work such as cleaning, and the workability during maintenance can be further improved.

[Embodiment 5]

Fig. 8 is a plan view showing a fifth embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention. In Fig. 8, on the side surface of the outer casing 51, the exhaust gas flow A2 is exhausted to the exhaust port SO' outside the outer casing 51, and the intake air flow B1 is introduced into the outer casing 51. The intake port SI' is disposed in the lateral direction. Further, the exterior casing 51 houses an exhaust fan 57a, an intake blower 57b, a heat exchanger 59, and a circuit board 60.

Here, the exhaust fan 57a is provided with an exhaust vane 56a that forms the exhaust flow A2 and an exhaust motor 55a that rotates the exhaust vane 56a. The intake blower 57b is provided with an intake vane 56b that forms the intake air flow B1 and an intake electric motor 55b that rotates the intake vane 56b. Then, the exhaust vane 56a is disposed to face the stacking surface of the heat exchanger 59. Further, the exhaust motor 55a is disposed on the heat exchanger 59 side. Further, the intake vane 56b is disposed at the center of the outflow surface so as to face the outflow surface of the intake air flow B1 in the heat exchanger 59. Further, the intake motor 55b is disposed on the heat exchanger 59 side.

Further, the heat exchanger 59 exchanges heat between the exhaust gas flow A2 exhausted from the exhaust port SO' and the intake air flow B1 which is intake from the intake port SI'. Further, the heat exchanger 59 is a hexahedral structure formed by alternately stacking mutually orthogonal air passages. Here, the heat exchanger 59 is disposed on the upstream side of the intake blower 57b. Then, the heat exchanger 59 is disposed on the upstream side of the intake blower 57b. Then, the heat exchanger 59 is disposed such that the inflow surface of the exhaust gas flow A2 faces the lower panel 3 of FIG. Further, the intake port SI' is disposed at the center of the inflow surface so as to face the inflow surface of the intake air flow B1 of the heat exchanger 9.

Further, a power supply circuit that supplies power to the exhaust motor 55a and the intake motor 55b and a control circuit that controls the rotation of the exhaust motor 55a and the intake motor 55b are mounted on the circuit board 60.

Then, the heat exchanger 59 and the circuit board 60 are disposed at a diagonal position of one side of the outer casing 51, and the air intake blower 57b and the exhaust air blower 57a are disposed on the other side of the outer casing 51. In the angular position.

Then, the suction airflow A1 sucked from the panel suction port UI horizontally is changed to the vertical direction by the separator 12 of Fig. 2, and is discharged from the exhaust port SO' through the heat exchanger 59 and the exhaust air blower 57a to become the row. Airflow A2.

On the other hand, the outdoor intake air flow B1 that is intake from the intake port SI' is blown from the intake air blower 57b via the heat exchanger 59 and the intake air blower 57b. Then, the traveling direction is changed to be horizontal by the lower panel 3 of Fig. 2, and the room is blown horizontally from the panel outlet U0 to become the blowing airflow B2.

Here, the intake port SI' is disposed at the center of the inflow surface of the intake air flow B1 of the heat exchanger 59, and the intake vane 56b is disposed at the center of the outflow surface of the intake air flow B1 in the heat exchanger 59, Thereby, the pressure loss of the air passage can be reduced, the deviation of the air flow can be reduced, and the ventilation efficiency can be improved. Further, since the airflow flowing through the heat exchanger 59 can be made uniform, the air passage can be made small, and the size of the simultaneous intake and exhaust type ventilating fan can be achieved.

Further, by arranging the exhaust motor 55a and the intake motor 55b on the heat exchanger 59 side, the exhaust motor 55a and the intake air can be accessed by opening only one side of the lower panel 33 of Fig. 6 A motor 55b is used. Therefore, in the maintenance of the exhaust motor 55a and the intake motor 55b, it is not necessary to remove the entire lower panel 33, and workability during maintenance can be improved.

Further, in the fifth embodiment described above, the center of the outflow surface of the intake air flow B1 in the heat exchanger 59 is disposed while the intake port SI' is disposed at the center of the inflow surface of the intake air flow B1 of the heat exchanger 59. A method of arranging the intake vane 56b will be described. On the other hand, while the center of the inflow surface of the intake air flow B1 of the heat exchanger 59 is provided with the intake port SI', the intake vane 56b can be disposed at the center of the outflow surface of the intake air flow B1 from the heat exchanger 59. Moved to the position. Alternatively, the intake vane 56b may be disposed at the center of the outflow surface of the intake air flow B1 of the heat exchanger 59, and the intake port SI' may be disposed at the inflow surface of the intake air flow B1 from the heat exchanger 59. The position of the center offset.

Further, in the above-described embodiment, the panel suction port UI and the panel outlet port U are formed by the lower panel 3, and are disposed so as to be sucked into the suction airflow A1 of the panel suction port UI and blown out from the panel outlet U0. The direction of the airflow B2 is the same, and a method of flowing the suction airflow A1 and the blown airflow B2 along the ceiling surface will be described. On the other hand, the panel suction port and the panel air outlet may be disposed such that the suction airflow A1 and the blown airflow B2 are inclined, or a plurality of panel suction ports may be provided, or a plurality of panel air outlets may be provided.

Industrial utilization possibility

As described above, the simultaneous intake and exhaust type ventilating fan of the present invention is provided with a heat exchanger on the upstream side of the intake blower, and can be made smaller while preventing the outdoor intake air from directly entering the intake blower.

SI, SI’. . . Air inlet

SO, SO’. . . exhaust vent

UI. . . Panel inlet

UO. . . Panel blowout

A1. . . Inhaled airflow

A2. . . Exhaust flow

B1. . . Inlet airflow

B2. . . Blowing out air

1, 51. . . Outer casing

2, 23. . . Housing exterior frame

3, 33, 103. . . Below board

4. . . Body opening

5a, 55a. . . Exhaust motor

5b, 55b. . . Intake motor

6a, 56a. . . Exhaust vane

6b, 56b. . . Air intake blade

7a, 57a. . . Exhaust blower

7b, 57b. . . Air intake blower

8a. . . Exhaust fan housing

8b. . . Intake fan housing

9, 59. . . Heat exchanger

10, 60. . . Circuit substrate

12, 25, 27, 35. . . Splitter

14a. . . Exhaust passage

14b. . . Intake passage

15a, 29a. . . Exhaust chamber

15b, 29b. . . Intake chamber

16. . . Intake side dust filter

17. . . Blower outlet

twenty one. . . Panel mount

21a. . . Suction side opening

21b. . . Blowing out the side opening

twenty two. . . groove

2a, 2b, 23a, 23b, 31a, 31b. . . Wall

twenty four. . . track

26, 28. . . Chimeric construction

32. . . Exhaust side dust filter

34. . . Suspension structure

41. . . air filter

42. . . High performance filter

Fig. 1 is a perspective view showing an example of an internal structure of a ventilating fan of a simultaneous intake and exhaust type.

Fig. 2 is a cross-sectional view of the simultaneous intake and exhaust type ventilating fan along the flow direction of the suction airflow A1 and the blown airflow B2 along the first diagram.

Fig. 3 is a perspective view showing an example of the internal structure of the simultaneous intake and exhaust ventilating fan of Fig. 1.

Fig. 4 is an exploded perspective view showing a schematic structure of a mounting portion of a cosmetic panel according to an embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention.

Fig. 5 is a cross-sectional view showing an example of an arrangement state of the air chamber 11 and the separator 12 of the simultaneous intake and exhaust type ventilating fan of Fig. 4.

Fig. 6 is a perspective view showing a schematic structure of a lower panel portion of a third embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention.

Fig. 7 is a cross-sectional view showing the flow direction of the suction airflow A1 and the blown airflow B2 in the fourth embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention.

Fig. 8 is a plan view showing a fifth embodiment of the simultaneous intake and exhaust type ventilating fan of the present invention.

SI. . . Air inlet

SO. . . exhaust vent

A2. . . Exhaust flow

B1. . . Inlet airflow

1. . . Outer casing

4. . . Body opening

5a. . . Exhaust motor

6a. . . Exhaust vane

7a. . . Exhaust blower

7b. . . Air intake blower

8a. . . Exhaust fan housing

8b. . . Intake fan housing

9. . . Heat exchanger

10. . . Circuit substrate

16. . . Intake side dust filter

17. . . Blower outlet

Claims (6)

A simultaneous intake and exhaust type ventilating fan comprises: an outer casing forming independent exhaust passages and intake passages; a lower panel disposed below the outer casing, having a panel suction port and a panel blowing outlet An exhaust air blower is housed in the outer casing, and the intake airflow sucked into the panel suction port is sent to the exhaust passage to be exhausted as an exhaust gas flow; and an air intake blower is housed in the outer casing a casing that transports an intake air flow that has flowed into the intake passage to the panel outlet, and that is blown out as a blown airflow; and a heat exchanger that is disposed on an upstream side of the intake blower to make the row And exchanging heat between the airflow and the airflow flow; wherein the heat exchanger forms a hexahedron structure in which the mutually perpendicular air passages are alternately stacked, and the inflow surface of the exhaust airflow is disposed opposite to the lower panel The air supply blade of the intake air blower is disposed at a slightly center of the outflow surface toward the outflow surface of the intake air flow in the heat exchanger, and the intake air flow is sucked into the upper side. Air inlet line in the outer casing facing the heat exchanger in the intake air flowing into the center plane is arranged at the inflow surface slightly. The simultaneous intake and exhaust type ventilating fan according to claim 1, wherein the exhaust fan and the intake fan are disposed to face mutually orthogonal surfaces of the heat exchanger. A simultaneous intake and exhaust type ventilating fan according to claim 2, further comprising a circuit board disposed at a diagonal position of the outer casing disposed in the heat exchanger, and configured to supply power to A power supply circuit for the exhaust motor and the intake motor, and a control circuit for controlling the rotation of the exhaust motor and the intake motor. The intake and exhaust type ventilating fan according to any one of the first to third aspect, wherein the intake motor for rotating the intake vane of the intake fan is disposed on the heat exchanger side. An exhaust electric motor that rotates the exhaust vane of the exhaust fan is disposed on the heat exchanger side. The simultaneous intake and exhaust type ventilating fan according to any one of claims 1 to 3, further comprising: a first dust removing filter disposed on the intake passage on an upstream side of the heat exchanger; And performing the dust removal of the intake air stream; a second dust removal filter disposed between the first dust filter and the heat exchanger has a higher dust removal capability than the first dust filter. The simultaneous intake and exhaust type ventilating fan according to claim 4, further comprising: a first dust removing filter disposed on the intake passage on an upstream side of the heat exchanger to perform the intake air flow The second dust removing filter is disposed between the first dust removing filter and the heat exchanger, and has a higher dust removing capability than the first dust removing filter.