JP3056510B2 - Ventilation equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a ventilating apparatus for ventilating a building.

2. Description of the Related Art As shown in FIG. 5, a conventional ventilation device includes a ventilation device 101 including a motor 102, an air supply blade 103, an exhaust blade 104, and a heat exchanger 105, as shown in FIG. After being set on the ceiling or the like, the indoor air sucked from each of the suction grills 106a to 106d passes through the exhaust duct 108, passes through the exhaust blades 104 of the ventilation device 101, passes through the heat exchanger 105, and then enters the outdoor hood 109 Discharged outdoors. At the same time, outside air enters from the outdoor hood 110, passes through the air supply vanes 103 of the ventilation device 101, and passes through the heat exchanger.
After heat exchange with room air at 105, it passes through the air supply duct 107,
The air was supplied to each room from the discharge grills 111a to 111d.

The problem to be solved by the invention, in the conventional ventilator, if the air is contaminated on the first floor or the second floor, it takes a long time to exhaust because such a ventilator 101 can not ventilate with a large air volume, only that much There was a problem of giving a person discomfort for a long time.

The present invention is to solve the above-mentioned conventional problems, and to provide a ventilation device that can exhaust a large amount of air in a short time even if air is contaminated on the first floor or the second floor, and that does not give discomfort to a person. It is the purpose.

Means for Solving the Problems In order to solve the problem, the present invention provides an indoor-side suction port communicating with the room and the room, an indoor-side discharge port, an outdoor-side suction port communicating with the outdoor, and an outdoor-side discharge port. Forming an exhaust ventilation path that connects the indoor suction port and the outdoor discharge port inside the device, and a supply air ventilation path that communicates the outdoor suction port and the indoor discharge port, In the ventilation path, along with providing a plurality of exhaust fan motors, and having a sensor for sensing the contamination of the air in each room, in the air supply ventilation path,
A plurality of air supply fan motors are provided, and a heat exchanger is provided at an intersection of the air supply air passage and the exhaust air passage, and the exhaust fan motor and the air supply fan motor are operated in conjunction with the sensor to operate. A control unit for controlling the number is provided.

According to this configuration, when the indoor air is not contaminated, the air supply motor A having the air discharge blade A is replaced with the air supply motor A having the air discharge blade A.
When the exhaust motor A is operated, the indoor air from each suction port enters from the indoor suction port, passes through the sensor, passes through the exhaust blade A, passes through the heat exchanger, and then passes through the outdoor discharge port. The air is discharged outside, and at the same time, outside air enters from the outdoor-side suction port and exchanges heat with the indoor air in the heat exchanger, and then is supplied to each room through the air-supplying blade A through the indoor-side discharge port. You. When the indoor air is contaminated, the control unit controls the signal from the sensor, and the air supply motor B and the exhaust motor B having the air supply blade B and the exhaust blade B are also operated. Then, the room air from each suction port enters from the indoor side suction port, passes through the sensor, passes through the exhaust blade A and the exhaust blade B, passes through the heat exchanger, and then passes through the outdoor discharge port to the outside. At the same time, the outside air enters from the outdoor-side suction port and exchanges heat with the room air in the heat exchanger, and then passes through the air supply blade A and the air supply blade B, and passes through the indoor side discharge port to each room. Is supplied to

In this way, ventilation is performed while automatically controlling the on / off of the air supply motor B and the exhaust motor B according to the degree of indoor contamination.

Embodiment An embodiment of the present invention will be described below with reference to FIGS.

In the figure, reference numeral 1 denotes a ventilator, which is provided with an indoor-side suction port 2 and an indoor-side discharge port 3 communicating with the room outside, and an outdoor-side suction port 4 and an outdoor-side discharge port 5 communicating with the outside. An exhaust ventilation path 6 extending to the indoor-side suction port 2 and the outdoor-side discharge port 5, and an air supply ventilation path 7 extending to the outdoor-side suction port 4 and the indoor-side discharge port 3 are formed. In the exhaust passage 6, an exhaust motor A8 and an exhaust motor
In addition to providing exhaust blades A10 and exhaust blades B11 driven by B9, and having a sensor 12 for sensing air pollution, the air supply air passage 7 includes an air supply motor A13 and an air supply motor B14. Driven air supply blade A15 and air supply blade B1
It has six. The exhaust air passage 6 and the air supply air passage 7 intersect in the heat exchanger 17,
Outside the ventilator 1, there is provided a control unit 18 for controlling the exhaust motor B 9 and the air supply motor B 14 according to the signal of the sensor 12. Reference numeral 19 denotes an air supply duct, one end of which is connected to the ventilator 1 for sending fresh air that has undergone heat exchange to each room. Discharge grills 20a to 20f are attached to the end of each room. is there. Reference numeral 21 denotes an exhaust duct, one end of which is connected to the ventilator 1 for guiding air from each room to the ventilator 1, and suction grills 22a to 22f are attached to the distal end of each room. It is. twenty three
And 24 are outdoor hoods for taking outdoor exhaust and outdoor air supply of the ventilator 1.

In the above configuration, as shown in FIGS. 1 and 2,
When the indoor air is not contaminated, when the air supply motor A13 and the exhaust motor A8 having the air supply blade A15 and the exhaust blade A10 are operated, the room air from each of the intake grilles 22a to 22f is
After passing through the exhaust duct 21, passing through the indoor suction port 2 of the ventilation device 1, passing through the sensor 12, passing through the exhaust blade A10, passing through the heat exchanger 17, passing through the outdoor discharge port 5, and passing through the outdoor hood.
It is discharged outside from 23. At the same time, outside air enters from the outdoor hood 24 and passes through the outdoor-side suction port 4 of the ventilation device 1 to exchange heat with room air in the heat exchanger 17.
Through the air supply duct 19 through the indoor side discharge port 3,
Air is supplied indoors from discharge grills 20a to 20f. In this way, the room air is discharged and fresh air is introduced to perform ventilation. When the indoor air is contaminated, as shown in FIGS. 3 and 4, the controller 18 controls the air supply blade B16 and the exhaust blade B by detecting a signal from the sensor 12.
The air supply motor B14 having 11 and the exhaust motor B9 are operated. And, the indoor air from each suction grill 22a to 22f,
After passing through the exhaust duct 21, entering through the indoor side suction port 2 of the ventilation device 1 and passing through the sensor 12, the exhaust blade A 10 and the exhaust blade B
After passing through the heat exchanger 17 through 11, the air passes through the outdoor discharge port 5 and is discharged outside from the outdoor hood 23. At the same time, outside air enters through the outdoor hood 24, passes through the outdoor suction port 4 of the ventilator 1, exchanges heat with room air in the heat exchanger 17, and then passes through the air supply blades A15 and B16. Through the air supply duct 19 through the indoor side discharge port 3, the discharge grills 20a to 20f
More air is supplied indoors. A large amount of air is exhausted from the air contaminated in this way, and fresh air is introduced for ventilation.

As described above, according to the present embodiment, the control unit 18 that includes the sensor 12 that detects air pollution inside and controls the on / off of the air supply motor B14 and the exhaust motor B9 based on a signal from the sensor 12 is provided outside. With this arrangement, when the indoor air is less contaminated, only the blades on one side are operated to discharge the indoor air, and at the same time, fresh outside air is introduced to perform ventilation in a well-balanced manner. When the indoor air is contaminated, the air supply motor A13 and the air supply motor B14, and the exhaust motor A8 and the exhaust motor B9 are respectively operated to exhaust the contaminated air with a large air volume and simultaneously fresh air. A large amount is introduced and ventilation is performed, and effective ventilation can be performed.

In the embodiment, the sensor 12 is built in the exhaust ventilation passage 6 of the ventilator 1.
Any place where the degree of contamination of the indoor air can be sensed, such as in the middle of the course, does not cause any difference in the operation and effect.

As is clear from the description of the above embodiment, the present invention includes a sensor for detecting air contamination inside the ventilator, and inputs the air supply motor B and the exhaust motor B to the outside of the ventilator by a signal from the sensor. By providing the control unit for controlling the turning-off, even if the air is contaminated on the first floor or the second floor, a large air volume can be exhausted in a short time, and the practical effect is great because it does not give any discomfort to the person.

[Brief description of the drawings]

FIG. 1 is a sectional view showing the operation of a ventilator according to an embodiment of the present invention, FIG. 2 is a sectional view showing the construction of the ventilator, and FIG. 3 shows a large air volume ventilating operation when indoor air is contaminated. FIG. 4 is a sectional view showing the operation of the conventional ventilator, FIG. 4 is a sectional view showing the operation of the conventional ventilator, and FIG. 6 is a sectional view showing the operation of the conventional ventilator. DESCRIPTION OF SYMBOLS 1 ... ventilation apparatus, 2 ... indoor side suction port, 3 ... indoor side discharge port, 4 ... outdoor side suction port, 5 ... outdoor side discharge port, 6 ...
... Exhaust air passage, 7 ... Air supply air passage, 8 ... Exhaust motor A, 9 ... Exhaust motor B, 10 ... Exhaust blades A, 11 ...
Exhaust blade B, 12 Sensor, 13 Air supply motor A,
14 ... air supply motor B, 15 ... air supply blade A, 16 ... air supply blade B, 17 ... heat exchanger, 18 ... control unit.

Claims (1)

(57) [Claims] An indoor-side suction port communicating with the room, an indoor-side discharge port, an outdoor-side suction port communicating with the outdoor, and an outdoor-side discharge port, wherein the indoor-side suction port is provided inside the apparatus. An exhaust ventilation path communicating with the outdoor-side discharge port, and a supply air ventilation path communicating the outdoor-side suction port with the indoor-side discharge port are formed;
In the exhaust air passage, a plurality of exhaust fan motors are provided, and a sensor for detecting air contamination in each chamber is provided.In the air supply air passage, a plurality of air supply fan motors are provided. A heat exchanger is provided at the intersection of the supply air passage and the exhaust air passage, and a control unit is provided for controlling the number of operating units by linking the exhaust fan motor and the air supply fan motor with the sensor. Ventilation equipment.