JPS62119334A - Ventilation volume regulating device for individual type air conditioner - Google Patents

Abstract

PURPOSE:To regulate a suction and exhaust volume to a proper value, by a method wherein a damper with a stepping motor for suction and exhaust is situated at a total heat exchange part, and when an open air load is increased caused by ventilation during cooling and heating operation, a stepping motor is driven to stepwise regulate opening and closing of a damper. CONSTITUTION:The open air, incoming through an open air intake port 14a of a duct 14 flows, as shown by an arrow mark A, through a total heat exchanger 6 by means of a damper 16 for suction, and is sucked in a rotor from a supply opening 19 through an opening 23 in a partition 11. Exhaust gas from the interior of a room enters, as shown by an arrow mark B, through a suction port 26, and flows in an indoor unit part 10 through an opening 25. A part of the exhaust gas flows, as shown by an arrow mark C, in order, through the opening 25, the total heat exchanger 6, and a double vane damper 18 for exhaust, and is exhausted to the exterior of a room. A supply temperature is perceived by a sensor 20, the detecting temperature is compared with a set temperature by means of a control part 21, and according to the result, the openings of the dampers 16 and 17 are controlled in stepped manner from full opening to full closing.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a ventilation control device for an individual air conditioner used to air condition a pill or the like.

BACKGROUND ART Conventionally, an individual air conditioner installed inside the outer wall of a building is composed of an outdoor unit, a total heat exchange unit, and an indoor unit, with both sides partitioned as the total heat conversion unit. A damper for exhausting indoor air and an intake damper for taking in outside air are provided on one side of the partition plate. These exhaust dampers and intake dampers use a damper motor that can be switched between two positions, normally open and closed.
During heating operation, the damper is opened and ventilation is performed by simultaneous intake and exhaust, and when the heating is stopped, the damper is closed.

Problems to be Solved by the Invention As described above, in the conventional damper opening/closing device, each damper opens and ventilation is performed during cooling/heating operation, but when the outside temperature is high (cooling) and when the outside temperature is low (heating (time), the load on the outside air being taken in increases, and the heating and cooling effect is significantly reduced. In other words, since the outside air taken in is always mixed at a constant volume ratio with the indoor air heated or cooled by the air conditioner, if the outside air temperature is extremely low during heating, the blowout temperature will drop and the heating effect will be poor. If the outside air temperature is extremely high during cooling, there is a problem in that the air outlet temperature increases and the cooling effect deteriorates.

The present invention is intended to solve these problems, and aims to prevent the cooling and heating effect from decreasing by adjusting the amount of ventilation when the outside air temperature is high during cooling and low during heating.

Means for Solving the Problem In order to solve this problem, the present invention provides an outdoor unit section provided on one side of the total heat exchange unit section, an indoor unit section provided on the other side, and each of the above unit sections. The first one located between
a partition plate and a second partition plate; and the first partition plate and the second partition plate.
An intake port provided on one of the partition plates, an intake damper provided on the intake port, an exhaust port provided on the other partition plate, and an exhaust damper provided on the exhaust port. A control unit is provided, wherein a stepping motor is connected to each of the intake damper and the exhaust damper, and the stepping motor is controlled by a sensor for detecting an air outlet temperature provided at an indoor air outlet of the indoor unit. It is something.

Function: With this configuration, the air outlet temperature is detected by the air outlet temperature detection sensor installed at the indoor air outlet, and the signal determined by the control unit is sent to each stepping motor to adjust the damper opening degree in stages. , the amount of ventilation will be adjusted.

EXAMPLE Hereinafter, an example according to the present invention will be explained according to diagram WJ1. The main body 2 of the individual air conditioner installed inside the outer wall 1 includes an outdoor unit section 8 equipped with an outdoor heat exchanger 3 and an outdoor blower 4, and a total heat exchange unit section 7 equipped with a total heat exchanger 6. , an indoor unit section 10 including an indoor heat exchanger 8 and an indoor blower 9. A first partition plate 11 and a second partition plate 12 are provided on both sides of the total heat exchanger 6, and
A central partition plate 13 is provided in the center of the total heat exchanger to divide air into intake and exhaust air. The second partition plate 12 has an intake stepping motor 15 installed above the first partition plate 12 so as to communicate with the outside air intake port 14a through a duct 14.
A stepping motor 17 for exhaust is also provided above the second partition plate 12.
It is equipped with dampers 18 on both wings that are opened and closed by.

An indoor air outlet 19 provided in the indoor unit section 10 is provided with a sensor 2o that detects the indoor air temperature, and is connected to a control section 21. Further, each of the stepping motors 16 and 17 is connected to a control unit 21, which determines the blowout temperature detected by the sensor 20 and sends the result as a signal to each of the stepping motors 15 and 1. . Each wrist chipping motor 15.
17 is driven in stages according to signals from the control unit 21 to adjust the degree of opening and closing of each of the wing dampers 16 and 15.

Note that the first partition plate 11 has a first opening portion 2 through which air circulates.
3. Second opening part 24. A third opening 25 is provided respectively. 26 is a suction port for indoor air.

In the above configuration, if each Danno ζ-16° 18 is fully opened (dotted line), the air flow path during intake will be such that the outside air flowing in from the outside air intake port 14a of the duct 14 is connected to the intake damper 16. , passes through the total heat exchanger 6 as shown by arrow A, and passes through the first opening 23 of the first partition plate 11 to the air outlet 1.
Air is taken into the room from 9. On the other hand, the exhaust from the room is indicated by arrow B.
As shown in the figure, the indoor air flowing in from the indoor suction port 26 is
A portion of this indoor air flows into the indoor unit portion 1o through the third opening 25 provided below the partition plate 11, and a portion of this indoor air flows in the direction indicated by the arrow C.
The air passes through the second opening 26, passes through the total heat exchanger 6, passes through the exhaust wing dampers 18, and is exhausted from the outdoor unit to the outside. Ventilation is always performed during these intake/exhaust air conditioning/heating operations, but if the outside air temperature rises significantly during cooling, or if the outside air temperature drops significantly during heating, due to the influence of outside air. When the indoor heating and cooling load increases, the sensor 20 detects the air outlet temperature, compares it with the temperature set by the control unit 21, and sends a signal to each of the stenoping motors 15.
17, the opening degree of both wings Dan/<-16, 17 is operated stepwise from fully open to fully closed, and the intake and exhaust amount is adjusted and controlled to an appropriate amount.

In this case, the opening degrees of the intake stepping motor 15 and the exhaust stepping motor 17 are adjusted at the same time, but the same effect can be obtained even if the opening degrees of each are adjusted separately. Further, in this embodiment, each damper with a stepping motor is provided on the second partition plate 12, but the same effect can be obtained even if the damper is provided on the first partition plate 11. Furthermore, sensor 2o
Although the blowout temperature is detected, the outside air temperature, indoor suction air, indoor heat exchanger temperature, etc. may also be detected.

Effects of the Invention As described above, according to the present invention, stepping motors for intake and exhaust are provided in the outdoor unit section, the indoor unit section, the total heat exchange unit section, and the partition plates on both sides of the total heat exchange unit section. A damper with an attached damper is provided, and each of the above-mentioned stepping motors
A control unit is connected to the air outlet and controlled by a sensor for detecting Suita temperature provided at the air outlet of the indoor unit, and when the outside air load due to ventilation increases during cooling/heating operation, By operating the stepping motor and controlling the degree of opening and closing in stages to control the amount of ventilation, it is possible to prevent the cooling and heating effect from decreasing.

[Brief explanation of drawings]

The figure is a sectional view of a ventilation amount adjusting device for an individual air conditioner according to an embodiment of the present invention. 5...Outdoor unit part, Complete...Total heat exchange unit part, 10...Indoor unit part, 11
...First partition plate, 12...Second partition plate, 15.1 End...Stepping motor, 16.
18...Both wing dampers, 19...Air outlet, 20...Sensor, 21...Control unit.

Claims (1)

[Claims] an outdoor unit section provided on one side of the total heat exchange unit, an indoor unit section provided on the other side, a first partition plate and a second partition plate located between the respective unit sections, and the first partition plate. and an intake port provided on one of the second partition plates, an intake damper provided on this intake port, an exhaust port provided on the other partition plate, and an exhaust port provided on this exhaust port. A stepping motor is connected to each of the intake damper and the exhaust damper, and the stepping motor is adjusted by a sensor for detecting the air outlet temperature provided at the indoor air outlet of the indoor unit to control the ventilation amount. A ventilation amount adjustment device for an individual air conditioner, comprising a control unit.