JPH03105142A - Heat-exchanger type ventilating apparatus - Google Patents

Abstract

PURPOSE:To improve the maintainability relating to the use of a heat-exchange element and facilitate the maintenance work by placing an exhaust blower and an intake blower respectively at two opposite sides of a heat-exchange element provided where at air discharge passageway and an air intake passageway cross each other and by allowing the heat-exchange element, exhaust blower, and intake blower to be mounted and demounted through an opening in the underside of the main body. CONSTITUTION:When maintenance service such as replacement of the exhaust fan motor 17 in an exhaust blower 15 and the supply fan motor 19 in an intake blower 16 is provided, an inspection-opening cover 21 provided at an opening 9 is removed and, after removing a heat-exchange element 13 and a frame 14 for encasing the heat-exchange element, the intake blower 16 and the exhaust blower 15 are detached from the main body 1. Since partition plates 12, 12' do not need to be detached from the main body 1, the demounting work is greatly simplified. Through a space opened inside the main body 1 by removing the frame 14 for encasing the heat-exchange element, the exhaust blower 15 and the intake blower 16, placed oppositely across the opened space, can be demounted one unit at a time. Since each of the blowers is light in weight, maintenance service can be provided to the exhaust blower 15 and the intake blower 16 easily safely.

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a heat exchange type ventilation system for ventilation of houses, offices, etc.

2. Description of the Related Art Conventionally, this type of heat exchange type ventilation system is shown in FIGS. 5 and 6.
The configuration was as shown in the figure. In the figure, 100 indicates an exhaust passage 103 from the indoor side suction port 101 to the outdoor side discharge port 102, and an exhaust passage 103 from the outdoor side suction port 104 to the indoor side discharge port 102.
The main body has an air supply passage 106 leading to the exhaust passage 1
A blower unit 110 is provided with an exhaust vane 107 in the air supply passage 103, an air supply vane 108 in the air supply passage 106, and a motor 109 for rotating them, and the intersection of the exhaust passage 103 and the air supply passage 106. heat exchange element 111
It had 112, 113, 114, 115 are partition plates that hold the heat exchange element 111 and also connect the exhaust passage 1.
03 and an air supply passage 106. Reference numeral 116 denotes an inspection lid, which is detachably attached to an inspection opening 117 of the heat exchange element 111 provided on the side surface of the main body 100. With this configuration, when the motor 109 is operated, indoor air is sucked in from the indoor suction port 101 as indicated by the arrow X - + The outdoor air is exhausted to the outside through the discharge port 102, and the outdoor air is sucked in from the outdoor suction port 104 as shown by the arrow Y. Air was supplied into the room, and heat exchange ventilation was performed by the heat exchange element 111.

Problems to be Solved by the Invention In such a conventional configuration, when performing maintenance and inspection of the blower unit 110, it is necessary to remove the inspection lid 116 that is detachably attached to the opening 117 provided on the side surface of the main body 100. After removing the heat exchange element 111, remove the partition plate 1 1
2, 1 1 3, 1 1 4, 115 before taking out the blower unit 110, there are many parts to remove, and the opening 117 and the blower unit 110 are far apart, so it is difficult to replace the motor 109, etc. Maintenance and inspection were extremely difficult. In addition, the blower unit 110 has a structure in which the exhaust vanes 107 and the air supply vanes 108 are rotated by a single motor 109, so it is large in size and heavy, making maintenance and inspection difficult. It had become.

The present invention solves the above-mentioned conventional problems by disposing an exhaust blower and a supply air blower on both sides of the heat exchange element provided at the intersection of the exhaust passage and the air supply passage, and installing the exhaust blower and the supply air blower on the bottom surface of the main body. By attaching and detaching the heat exchange element, exhaust blower, and power supply blower through the opening, the maintainability of the heat exchange element is improved, and maintenance inspections such as motor replacement of the exhaust blower and supply air blower are facilitated. The purpose of this invention is to provide a heat exchange type ventilation device.

Means for Solving the Problems To solve this problem, the present invention provides an indoor suction port and an indoor discharge port on one side, and an outdoor suction port and an outdoor discharge port on the opposite side. At the same time, the inside of the main body having an opening on the lower surface is divided into an exhaust passage from the indoor side suction port to the outdoor side discharge port and an air supply passage from the outdoor side suction port to the indoor side discharge port with a partition plate. A heat exchange element is provided at the intersection of the exhaust passage and the air supply passage, and an exhaust blower that blows air to the exhaust passage and an air supply blower that blows air to the air supply passage are arranged on both sides, The heat exchange element, the exhaust blower, and the air supply blower are attached and detached from the opening.

Function: With this configuration, indoor air is exhausted from the indoor side suction port through the suction groove heat exchange element to the outdoor side through the outdoor side discharge port.
Outdoor air is supplied into the room from the outdoor side suction port through the suction case heat exchange element and from the indoor side discharge port, and heat exchange ventilation is performed by the heat exchange element. The opening, heat exchange element, exhaust blower, and supply air blower will be installed and removed.

EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 to 4. As shown in the figure, 1 is provided with an indoor suction port 3 and an indoor discharge port 4 on the side wall 2, an outdoor suction port 6 and an outdoor discharge port 7 on the side surface 5, and an opening on the bottom surface 8. 9, the interior is connected from the indoor suction port 3 to the outdoor discharge port 7.
An exhaust passage 10 extending from the outdoor side suction port 6 to the indoor side discharge port 4 is partitioned by a partition plate 12.12. A heat exchange element 13 is provided at the intersection of the exhaust passage 1o and the air supply passage 11, and is housed inside a heat exchange element storage frame 14 that is detachably attached to the main body 1 through the opening 9. Reference numerals 15 and 16 denote exhaust blowers, air blowers, and air supply blowers disposed on both sides of the heat exchange element storage frame 14, which are detachably attached to the main body 1 through the opening 9. Reference numeral 17 denotes an exhaust motor provided on the exhaust blower 15 to rotate the exhaust vanes 18, and 19 denotes an air supply motor provided in the air supply blower 16 to rotate the air supply vanes 20. Reference numeral 21 denotes an inspection lid that opens and closes the opening 9 of the main body 1.

In the above configuration, the exhaust motor 17 and the air supply motor 1
9 is operated, the indoor air is sucked in through the indoor suction port 3 as shown by the arrow A - + A, passes through the exhaust passage 10, passes through the heat exchange element 13, and is exhausted outdoors from the outdoor discharge port 7. Outdoor air is sucked in from the outdoor side suction port 6 as shown by the arrow B→B', passes through the air supply passage 11, passes through the heat exchange element 13, and is supplied with electricity indoors from the indoor side discharge port 4, and then the heat exchange element 13
This enables heat exchange ventilation. 1. Exhaust blower 1
When carrying out maintenance and inspection such as replacing the exhaust motor 17 of 6 or the air supply motor 19 of the air supply blower 16, open the inspection cover 21 provided in the opening 9 as shown in FIG. After removing the heat exchange element 13, the button, and the heat exchange element storage frame 14b, the supply air blower 16, the button, and the exhaust air blower 16 can be removed from the main body 1, and the partition plate 12.12
Since there is no need to remove it from the main body 1, the work becomes very easy. 1. In addition, it is sufficient to remove the air supply blower 16 and the exhaust air blower 16 provided on both sides of the space inside the main body 1 after removing the heat exchange element storage frame 14, one by one.
Since the weight per unit is also light, maintenance and inspection of the exhaust blower 16, the button, and the supply air blower 16 can be carried out easily and safely.

Effects of the Invention As is clear from the description of the embodiments described above, the present invention provides an exhaust blower and a supply air blower that are disposed on both sides of a heat exchange element provided at the intersection of an exhaust passage and an air supply passage. The heat exchange element, button, exhaust blower, and supply air blower can be attached and removed through the opening provided on the bottom surface, which improves the maintainability of the heat exchange element and also allows the exhaust blower and supply air blower to be attached and removed. This has the advantage that maintenance and inspection such as motor replacement can be performed easily and safely.

[Brief explanation of drawings]

FIG. 1 is a plan view of a heat exchange type ventilation system according to an embodiment of the present invention, FIG. 2 is a 0-0 sectional view of FIG.
Fig. 4 is a side cross-sectional view showing the attachment and detachment of each part of a heat exchange type ventilation system according to an embodiment of the present invention, and Fig. 5 is a conventional heat exchange type ventilation system. Plane sectional view of, No. 6
The figure is a sectional view taken along the Z-2 line in FIG. 5. 1...Body, 2...Side, 3...
...Indoor suction port, 4...Indoor discharge port, 6.
...Side, 6...Outdoor suction port, 7...
...Outdoor outlet, 8...Bottom surface, 9...
...Opening, 1o...Exhaust passage, 11...
... Air supply passage, 12.12 ... Partition plate, 13
... Heat exchange element, 15 ... Exhaust blower, 16 ... Air supply blower. U14 5 11,jj

Claims (1)

[Claims] An indoor suction port and an indoor discharge port are provided on one side, an outdoor suction port and an outdoor discharge port are provided on the opposite side, and an opening is provided on the lower surface. An exhaust passage leading from the outlet to the outdoor discharge port and an air supply passage leading from the outdoor suction port to the indoor discharge port are divided by a partition plate, and a heat exchange element is provided at the intersection of the exhaust passage and the air supply passage. An exhaust blower for blowing air into the exhaust passage and a supply air blower for blowing air into the air supply passage are arranged on both sides thereof, and the heat exchange element, the exhaust blower, and the supply air A heat exchange ventilation system with a removable blower.