JPS6317329A - Air-conditioning and ventilating unit - Google Patents

Abstract

PURPOSE:To compact the main body of an unit and reduce the electric power consumption of a fan for air-conditioning, by a method wherein a total heat exchanger, the fan for air-conditioning and a heat exchanger are arranged in parallel while an indoor air intake is provided so as to be neighbored to the fan for air-conditioning and a fan for sucking and discharging air. CONSTITUTION:When the operation of the title unit is started while sending cooling and beating water to a heat exchanger 36, air flows into an indoor air intake 39 and is blown off from a supplying port 37 through an air- conditioning fan 35 and the heat exchanger 36. One part of indoor air, which flows through the indoor air intake 39 by an exhaust fan 26, flows from a first opening 31 into an upper chamber 41 through an exhaust opening 32 and is discharged to the outside of the room through an outdoor exhaust port 38. Outdoor air flows through an atmosphere intake 28 into the upper chamber 41 by a suction fan 25 through a suction air opening 29, a suction air communicating port 43 and a total heat exchanger 22, then, flows into an air-conditioning room 33 through the second opening 45 of a second partitioning plate 30 and is mixed with the indoor air, thereafter, is blown off through the supplying port 37.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an air conditioning ventilation unit (hereinafter referred to as a ventilation air conditioning unit) having a ventilation function using a total heat exchanger.

2. Description of the Related Art Conventionally, this type of ventilation air conditioning unit has an indoor air intake that takes in air from the air-conditioned room (hereinafter referred to as the room) to the ventilation air conditioning unit main body (hereinafter referred to as the main body), as shown in Fig. 3. 1, the air taken in from the indoor air intake port 1 is sent into the room from the air outlet (not shown) through a suction chamber 2, a heat exchanger 3, an indoor air supply port 4, and a duct (not shown). It has an air conditioning blower 5. In addition, in order to ventilate the dirty air in the blade chamber with fresh outside air, outside air is taken in from the outside air intake 6, passed through the total heat exchanger 7, and is blown to the blower chamber 8 of the front air conditioning blower 6. A blower 9 for sucking outside air, and a blower 9 in the suction chamber 2 adjacent to the indoor air intake 1 for exhausting part of the indoor dirty air taken into the main body from the indoor air intake 1 to the outside. Part of the air is passed through the exhaust air intake hole 12 provided through the partition plate 11, the total heat exchanger 7, the outdoor exhaust port 13, a duct (not shown), and then a ventilation port (not shown). It also has an exhaust blower 12 for exhausting the air. As described above, one unit air-conditioned and ventilated the room.

Problems to be Solved by the Invention In such a conventional configuration, a space is required for the suction chamber 2 inside the unit main body, so that the size of the unit main body becomes large. In addition, when the air taken in from the room passes through the suction chamber 2, the ventilation resistance is high, which places a load on the air conditioning blower 5, resulting in problems such as increased power consumption of the air conditioning blower 5.

The present invention solves these problems, and aims to make the unit body more compact and reduce the power consumption of the air conditioning blower.

Means for Solving the Problem In order to solve this problem, the present invention provides a second partition plate in the main body that partitions the total heat exchanger room and the air conditioning room, so that the total heat exchanger an air exchanger, an air intake/exhaust fan installed in a position communicating with the total heat exchanger, an outside air intake port facing the intake fan of the air intake/exhaust fan, and an outdoor air intake port facing one side of the total heat exchanger. an exhaust port, an air conditioning blower provided on the side of the air conditioning room in close proximity to the intake/exhaust blower and communicating with the first opening of the second partition plate, and provided in a direction parallel to the total heat exchanger. an indoor air intake opening facing the air conditioning blower;
The structure is such that a supply port for supplying indoor air is provided facing the heat exchanger.

Function: With this configuration, indoor air flows in from the indoor air intake, passes through the air conditioning blower, passes through the heat exchanger, and is blown into the room from the supply port for air conditioning, while the intake fan blows outside air through the outdoor air intake. The air flows in, passes through a total heat exchanger, mixes with the air from the indoor air intake, is taken in from the supply port, and is used by an exhaust fan to transfer a part of the air that has flowed in from the indoor air intake to the outside through the total heat exchanger. It will be exhausted outdoors from the exhaust port.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 and 2. The main body 21 of the ventilation air conditioning unit includes a total heat exchanger room 23 equipped with a known total heat exchanger 22, an intake fan 25 that is divided by a first partition plate 24, and takes in outside air, and an exhaust fan that exhausts indoor air. 26 and an intake/exhaust blower 27 are provided. On the side of the intake fan 25, there is an intake opening 2 communicating with the outside air intake 28 and the total heat exchanger chamber 23.
9 and the exhaust fan 26 side are provided with an exhaust opening 32 that communicates with the total heat exchanger chamber 23 through the first opening 31 of the second partition plate 30. The air conditioning room 33 divided by the second partition plate 3o is equipped with an air conditioning blower 36 fixed to a motor plate 34, and a heat exchanger 36 through which cold and hot water flows, and the total heat exchanger 22 and the heat Exchangers 36 are arranged side by side, and a supply port 37 for supplying into the room is connected to the heat exchanger 3.
6. Therefore, the air-conditioning blower 35 and the air intake/exhaust blower 27 are both provided close to each other with the second partition plate 3o in between. The total heat exchanger chamber 23 is provided with an outdoor exhaust port 38 through which indoor air is exhausted to the outside. Further, an indoor air intake port 39 is provided below the air conditioning blower 36 provided in the air conditioning room 33, that is, facing the ceiling surface. The total heat exchanger 22 of the total heat exchanger room 23 includes:
As shown in FIG. 2, a third partition plate 42 is provided to partition the lower chamber 40 and the upper chamber 41, and an intake fan 26 and an intake opening are connected to each other by an exhaust fan 26 on the lower chamber 40 side. 29 and an air communication port 43 and an exhaust communication port 44 provided corresponding to the exhaust opening 32.

In the above configuration, when the heat exchanger 36 is air-conditioned while passing cold and hot water and the operation is started to ventilate the room, air flows from the room (ceiling surface) into the indoor air intake port 39 and the air-conditioning blower 35, passes through a heat exchanger 36, and is again blown into the room through a supply port 37. On the other hand, ventilation
A part of the indoor air that has flowed in from the indoor air intake port 39 by the exhaust fan 26 as exhaust air is passed from the first opening 31 through the exhaust opening 32 as shown by arrow A, and further through the exhaust communication port 44, and is completely exhausted. (one side of the heat exchanger 22) flows downward into the upper chamber 41 and is exhausted outdoors through the outdoor exhaust port 38.

In addition, as for intake air, outdoor air flows in from the outside air intake port 28 by the intake fan 25, passes through the intake fan 26, the intake opening 29, the intake communication port 43, and passes through one side of the total heat exchanger 22. It flows into the upper chamber 41 as indicated by arrow B shown in FIG.
The air flows into the air, is sucked by the air conditioning blower 35, is mixed with indoor air flowing in from the indoor air intake port 39, passes through the heat exchanger 36, and is blown into the room from the supply port 37 for ventilation.

Effects of the Invention As is clear from the description of the embodiments described above, the present invention has a total heat exchanger, an air conditioning blower, and a heat exchanger arranged side by side, and an indoor air intake port connected to the air conditioning blower and the intake/exhaust blower. Since they are installed close to each other, the indoor air taken in through the indoor intake reaches the air conditioning blower directly without passing through a suction chamber, reducing ventilation resistance and reducing the air conditioning blower. It is possible to reduce the power consumption of the blower. Furthermore, since there is no suction chamber, the space can be omitted and the size of the unit can be reduced. Furthermore, since the total heat exchanger, air conditioning blower, and heat exchanger are arranged side by side in the same direction, when creating a series based on the capacity of the unit, only the horizontal direction needs to be delayed. becomes a product. In addition, even if the capacities are different during actual installation, the dimensions in the vertical direction are the same, so modularization is easy, and ductwork and piping work can be simplified.

[Brief explanation of the drawing]

FIG. 1 shows an air conditioning and ventilation unit according to one embodiment of the present invention. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a plan view of a conventional air conditioning ventilation unit. 21...Main body, 22...Total heat exchanger,
23... Total heat exchanger room, 26... Intake fan, 26... Exhaust fan, 27...
・Intake/exhaust blower, 28...Outside air intake, 30
...Second partition plate, 33...Air conditioning room, 3
5... Air conditioning blower, 36... Heat exchanger, 37... Supply port, 38... Outdoor exhaust port, 39... Indoor air intake. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd floor
・-also 1 piece 2S-Ill″L Faso Luo 2 Eshin n-class j3--・-Makoto 1

Claims (1)

[Claims] A second partition plate is provided in the main body to partition a total heat exchanger room and an air conditioning room, and a total heat exchanger is provided in the total heat exchanger room, and an air intake/exhaust plate is provided in a position communicating with the total heat exchanger. an outdoor air intake port facing the intake fan of the air intake/exhaust fan, an outdoor exhaust port facing one side of the total heat exchanger, and an outdoor air exhaust port facing the air intake/exhaust fan on the air conditioning room side. an air conditioning blower provided in communication with the first opening of the second partition plate; and an air conditioning heat exchanger provided in a direction parallel to the total heat exchanger; An air conditioning ventilation unit comprising an indoor air intake opening facing each other and a supply port for supplying indoor air provided opposite to the heat exchanger.