JPH0697103B2 - Heat exchanger - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a heat exchanger, which can be easily installed on a floor of a building along a wall surface with a small occupied floor area, and
The present invention relates to an improvement for facilitating connection with an external duct.

<Prior Art> A conventional heat exchanger is of a type that is hung or embedded in a ceiling of a building and has a horizontally long rectangular parallelepiped box shape.

Therefore, hanging or embedding work on the ceiling,
In addition, work conditions such as connection work with external ducts tend to be severe.

Therefore, it was desired that it could be installed on the floor of the building,
When a conventional heat exchanger is installed on the floor, it becomes horizontally long,
This occupies a large floor area, and the furniture in the building such as a locker is generally vertically long, but there is a problem that harmony is lacking. Further, in general, ducts are generally installed in the building under the ceiling and under the floor, but if the heat exchanger is installed horizontally on the floor, a valuable floor area will be lost unavoidably.

<Problems to be Solved by the Invention> An object of the present invention is, in view of the above-described conventional art, can be installed on a floor of a building with a small occupied floor area, and further, connection with an external duct is easy, and It is to provide a vertically long heat exchanger that can be in harmony with furniture.

<Means for Solving the Problems> In order to achieve the above object, the configuration of the heat exchanger according to the present invention has an overall rectangular parallelepiped box shape, and includes upper, middle and lower chambers, The chamber is provided with a rotary heat exchange element, and the lower chamber has a first suction flow path communicating with the outside and the middle chamber, a first discharge flow path communicating with the middle chamber and the outside, and A second fan for generating an airflow in a direction from the suction flow passage of the first passage through the heat exchange element to the first discharge flow passage, the second suction flow passage communicating to the outside and the middle chamber in the upper chamber. And a second exhaust passage communicating with the chamber in the middle stage and the outside, and a second fan generating an air flow in a direction from the second intake passage through the heat exchange element to the second exhaust passage. It is characterized by

<Operation> Since the outer shape is a vertically long rectangular parallelepiped box shape, installing the heat exchanger on the floor significantly reduces the occupied floor area compared to the horizontally long conventional product. Also, since the external shape is vertically long, similar to other furniture, it fits well when installed along the wall surface. Furthermore, since it is vertically long, the distance from the ceiling becomes narrow. Moreover, since the external ducts can be connected to the upper and lower chambers, the duct connection is easy and the appearance is not spoiled.

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

Embodiment 1 FIGS. 1 to 4 show a left-handed counterflow type total heat exchanger as an embodiment of the present invention. 1 is a front view, 2
The drawing is a right side view, FIG. 3 is a bottom view, and FIG. 4 is an enlarged view of a mounting bracket.

1 to 4, the main body frame 1 has a height of 1684 m.
m, width 930 mm, depth 480 mm form a vertically long rectangular parallelepiped box shape,
It has upper, middle and lower chambers 2, 3 and 4, respectively.
The chamber 3 in the middle stage is a heat exchange chamber, and is equipped with a rotary total heat exchange element 5 (hereinafter referred to as a rotor element) having a cylindrical laminated body of honeycomb plates. A motor 6 drives the rotor element 5. In the middle chamber 3, the rotor element 5 is divided into upper and lower parts by a partition plate for supplying and exhausting air. At the bottom of the lower chamber 4, there is an outside air port 7
And a suction flange 8 connected to the chamber 4, and a first suction passage communicating from the suction flange 8 to the middle chamber 3 is formed in the chamber 4. 9 is a filter. On the left side surface of the lower chamber 4, a discharge flange 11 connected to the air supply port 10 is provided.
And a first discharge passage communicating from the middle chamber 3 to the discharge flange 11 is formed in the chamber 4. Furthermore,
An air supply fan 12 is provided in the middle of the first discharge flow path so that fresh air outside the room is sucked in from the suction flange 8 and fresh warm air is blown out into the room from the discharge flange 11 through the lower half circle of the rotor element 5. I am doing it. On the other hand, a suction flange 14 connected to the return air port 13 is provided on the left side surface of the upper chamber 2, and a second suction passage communicating from the suction flange 14 to the middle chamber 3 is formed in the chamber 2. 15 is a filter. Further, a discharge flange 17 connected to the discharge port 16 is provided on the upper surface of the upper chamber 2, and a second discharge passage communicating from the middle chamber 3 to the discharge flange 17 is formed in the chamber 2. Further, an exhaust fan 18 is provided in the middle of the second discharge flow path so that dirty air in the room is sucked in through the suction flange 14 and blown out through the upper half-circle of the rotor element 5 through the discharge flange 17 to the outside of the room. .

For example, when installing at an intermediate position on the wall, the suction flange 8 is aligned with the outside air port on the floor leading to the outside air intake duct under the floor, the heat exchanger is installed on the floor near the wall, and the installation bracket 19
The main body frame 1 is fixed to the wall surface by using the bolt holes 20 of. Further, the discharge flange 17 is connected to the exhaust port 16 leading to the exhaust duct on the ceiling by a connecting duct.

A control panel 21 for controlling the rotation of the rotor element 5 is provided on the right half of the front surface of the lower chamber 4 so that it can be operated from the front surface. Also, the upper and middle rows. The front plates of the lower chambers 2, 3 and 4 are provided with screws that can be easily removed to facilitate inspection and cleaning work. Further, the rotor element 5 is installed upright in the middle chamber 3,
The rotation surface is inclined with respect to the front surface of the heat exchanger in order to smooth the air flow.

Embodiment 2 FIGS. 5 to 7 show a right-handed total heat exchanger as another embodiment of the present invention. FIG. 5 is a front view, FIG. 6 is a left side view, and FIG. 7 is a bottom view. The heat exchanger of the second embodiment has the same configuration as that of the first embodiment described above except the left and right, and other configurations are the same. Therefore, the same members in the drawings are denoted by the same reference numerals and described. For short.

In the first and second embodiments described above, the intake flange 8 for the outside air port is on the bottom surface of the lower chamber 4, the discharge flange 11 for the intake port is on the side surface of the fan bar 4, and the intake flange 14 for the return air port is on the upper chamber 2. The discharge flange 17 for the exhaust port is provided on the side surface and on the upper surface of the same chamber 2, but which surface is provided is free, and the flange arrangement of the upper and lower chambers 2, 4 is
It suffices to change the design of the intake passage and the exhaust passage. For example, if the outside of the wall is outside the building, an exhaust port and an outside air port should be opened above and below the wall, and a discharge flange on the back surface of the upper chamber 2.
17 can be provided, and the suction flange 8 can be provided on the back surface of the lower chamber 4 for connection. Further, the suction flange 14 and the discharge flange 11 may be provided on the front surfaces of the upper and lower chambers 2 and 4, and the return air and the air supply may be performed directly from the front surface of the heat exchanger. Further, when the main purpose is ventilation cooling (outside air cooling), the upper chamber 2 is provided with an outside air inlet suction flange and an air supply inlet flange, and the lower chamber 4 is provided with a return air inlet flange and an exhaust air outlet flange. Can be provided.

<Effect of the Invention> The heat exchanger of the present invention is extremely suitable for installation on the floor along the wall surface. That is, since the outer shape is a vertically long rectangular parallelepiped box shape, when the heat exchanger is installed on the floor, the occupied floor area is significantly reduced as compared with the horizontally long conventional product. In addition, since the external shape is vertically long, similar to other furniture, it is harmonious. Furthermore,
Since it is vertically long, the space between it and the ceiling is narrow. Moreover, since the external ducts can be connected to the upper and middle chambers, the duct connection is easy, and the appearance is not spoiled.

[Brief description of drawings]

FIGS. 1 to 4 show a left-handed counterflow type total heat exchanger as one embodiment of the present invention. FIG. 1 is a front view, FIG. 2 is a right side view, and FIG. 3 is a bottom view. FIG. 4 is an enlarged view of a mounting bracket, FIGS. 5 to 7 show a right hand total heat exchanger as another embodiment of the present invention, FIG. 5 is a front view, and FIG. 6 is a left side view. , FIG. 7 is a bottom view. In the drawings, 1 is a body frame, 2 is an upper chamber, 3 is a middle chamber, 4 is a lower chamber, 5 is a rotor element (heat exchange element), 8 is a suction flange for an outside air port,
Reference numeral 11 is an air supply outlet discharge flange, 12 is an air supply fan, 14 is a return air inlet suction flange, 17 is an exhaust outlet discharge flange, 18 is an exhaust fan, 19 is a mounting bracket, and 21 is a control panel.

Claims (1)

[Claims] 1. A rectangular parallelepiped box shape as a whole, which is provided with upper, middle and lower chambers, a middle chamber is provided with a rotary heat exchange element, and a lower chamber is provided with outer and middle chambers. And a first suction passage communicating with the first suction passage that communicates with the middle chamber and the outside.
And a first fan for generating an airflow in a direction from the first suction flow path to the first discharge flow path through the heat exchange element, and the upper chamber and the outer and middle chambers. A second suction passage communicating with the second suction passage, and a second suction passage communicating with the middle chamber and the outside.
And a second fan that generates an air flow in a direction from the second suction flow path to the second discharge flow path via the heat exchange element.