JPH05118603A - Heat exchanging ventilator - Google Patents

Abstract

PURPOSE:To form an exhaust channel out of simple members which has a low resistance and a high air-tightness. CONSTITUTION:The inside of a cubic main body casing 1 is formed by a heat exchanger 2 installed in the direction of the central width of the casing 1 and a pair of partition members 5 which are provided respectively at positions where are right and left of this heat exchanger 2 and rotatingly symmetrical with the heat exchanger 2 as axis to form an exhaust channel and charge channel. Each partition member 5 is constituted of a heat exchanger side partition wall 12 which is parallel to the front face of the main body casing 1 and abuts its front or back face, longitudinally cross-sectional partition wall 13 which is parallel to the front face of the main body casing 1 and abuts its side face, and transversely cross-sectional partition wall 14 which abuts the front face or back face of the main body casing 1 from the lower end of the longitudinally cross-sectional partition wall 13 and is substantially parallel to its bottom face, and the abutting faces with the other members are sealed by a sealing member 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchange system in which two systems of ventilation passages are formed in a box-type main body casing, and heat exchange ventilation (air conditioning ventilation) is performed by a blower and a heat exchanger provided in the ventilation passages. It relates to a ventilation system.

[0002]

2. Description of the Related Art A conventional heat exchange ventilator has a structure as disclosed in, for example, Japanese Utility Model Laid-Open No. 63-181743. That is, as shown in FIG. 8, a laminated heat exchanger 21 is installed in the center width direction inside the main body casing 20 having a rectangular parallelepiped box structure, and a blower 23 and a chamber 24 are arranged on the left and right sides of the heat exchanger 21, respectively. Alternatively, they are provided one by one in the opposite arrangement. An exhaust air inlet 25 and a supply air outlet 26 are provided on one side of the body casing 20, and an exhaust air outlet 27 and an air supply inlet 28 are provided on the other side. The exhaust suction port 25 communicates with the chamber 24 as it is, and the chamber 24 is exhausted through one working fluid passage arranged obliquely upward from the lower side of the heat exchanger 21 through the lower opening on the heat exchanger side. It communicates with the exhaust air outlet 27 via the blower 23. Also,
The supply air suction port 28 provided at a diagonal position on the opposite side of the exhaust air suction port 25 communicates with another chamber 24 as it is, and this chamber 24 passes through the lower opening portion on the heat exchanger side. The blower 2 for supplying air through the other working fluid passage arranged obliquely upward from below the heat exchanger 21.
3 to the air supply outlet 26. Chamber 2
4 from one of the working fluid passages of the heat exchanger 21 to the blower 23 for exhausting is an exhaust passage for exhausting indoor air, and the other working fluid of the heat exchanger 21 from the other chamber 24. A series of paths through the passage to the blower 23 for air supply are air supply passages for supplying outdoor air,
The two are independent of each other throughout the course.

The heat exchange ventilator of the above construction is installed in a ceiling space or the like, and the air supply passage and the exhaust passage are connected to the inside and outside of the room by ducts to fulfill the ventilation function. That is, the indoor air is sucked into the exhaust passage from the exhaust suction port 25, is exhausted to the outside from the exhaust air outlet 27 through the duct, and the fresh outdoor air is sucked into the supply passage from the supply air suction port 28 to supply the air. It is supplied from the outlet 26 through the duct into the room. Then, the supply air flow and the exhaust air flow are heat-exchanged when passing through the working fluid passage of the heat exchanger 21, so that ventilation is performed by supply / exhaust with a small change in the state quantity.

[0004]

In the heat exchange ventilator as described above, the air supply passage and the exhaust passage must be defined in the narrow main body casing 20 due to the demand for compactness, and moreover, Since both passages intersect in the heat exchanger 21, a member having a complicated shape for partitioning in the front-rear direction and the vertical direction as shown by reference numerals 29, 30, 31 in FIG. 8 is required. Both of them involve complicated and non-linear interlocking, large air flow resistance, and problems such as easy air flow leakage inside.

The present invention has been made in order to solve the above-mentioned conventional problems, and obtains a heat exchange ventilator which is a member having a simple shape and number and which has a low resistance and a high airtightness, and which can form a passage for air supply and exhaust. The first purpose is to obtain a heat exchange ventilator having a high degree of freedom regarding duct connection, and the second purpose is to obtain a heat exchange ventilator having a normal ventilation function without heat exchange. The purpose is 3.

[0006]

A heat exchange ventilator according to a first aspect of the present invention comprises a main body casing having a rectangular parallelepiped box structure,
The heat exchanger is defined by a laminated heat exchanger mounted in the central width direction and a pair of partition members provided on the left and right sides of the heat exchanger at rotationally symmetrical positions of 180 degrees about the heat exchanger. The heat exchanger is crossed so that heat can be exchanged in the exchanger, and an exhaust passage through which the indoor air passes and an air supply passage through which the outdoor air passes are formed independently of each other in all paths.Each partition member is parallel to the side surface of the main body casing. The heat-exchanger-side bulkhead that corresponds to the front or back of the main body casing, the vertical bulkhead that is parallel to the front face of the main-body casing that makes an angle with this heat-exchanger-side bulkhead and that strikes the side surface of the main-body casing, and the main body that extends from the lower end of this vertical bulkhead It consists of a transverse bulkhead that contacts the front or back of the casing and is approximately parallel to the bottom of the main body casing, and an airtight holding member is attached to the contact surface with other members. And in which were faced as blowing laterally draws the blower for exhaust and for air supply from below into the respective air supply outlet and the exhaust outlet.

Further, in the heat exchange ventilator according to the second aspect of the present invention, in particular, the air blowers for air supply and exhaust are assembled so as to be able to rotate in a horizontal plane of 90 degrees, and the air supply air outlet and the air exhaust air outlet of the main body casing are installed. Is also provided on the back and front of the main body casing to correspond to the rotational position of each blower.

Further, the heat exchange ventilator according to claim 3 is
In particular, the air supply passage or the exhaust passage is provided with a bypass having an openable and closable damper that connects the intake side and the outlet side without passing through a heat exchanger.

[0009]

In the heat exchange ventilator according to the first aspect of the present invention, the inside of the main body casing on the left and right sides of the central heat exchanger is provided with only a pair of partition members, and a part of the air supply passage and a part of the exhaust passage. The partition wall can be divided into left, right, front and back, and up and down directions by the heat exchanger side partition wall, vertical partition wall and transverse partition wall, and the air supply passage and the exhaust passage each have a simple structure with little resistance connected to each other by a straight line portion. The airtightness is also kept high by the airtight holding member provided on the contact surface of the partition member.

Further, in the heat exchange ventilation device according to the second aspect of the present invention, in addition to the above operation, the blowing direction of the indoor air and the blowing direction of the outdoor air can be changed by rotating the blowers.

Further, in the heat exchange ventilation device according to the third aspect of the present invention, in addition to the above-mentioned actions, in particular, the opening of the bypass allows the indoor air or the outdoor air to bypass the heat exchanger to pass therethrough, thereby performing the heat exchange. Ventilation without accompanying will be able to be carried out.

[0012]

【Example】

Example 1. FIG. 1 is a perspective view showing the configuration of a heat exchange ventilation device as an embodiment of the present invention, FIG. 2 is a perspective view showing a part of the configuration thereof, and FIG. 3 is a heat exchange ventilation of the same embodiment. FIG. 4 is a cross-sectional plan view showing the function of the device, and FIG. 4 is a vertical sectional front view showing the function of the heat exchange ventilation device of the embodiment.

The heat exchange ventilator according to the embodiment shown in FIGS. 1 and 2 has a rectangular parallelepiped heat exchanger 2 of a laminated type installed in the central width direction inside a main body casing 1 having a rectangular parallelepiped box structure. The insides of the main body casings 1 on the left and right of the heat exchanger 2 are configured to be 180 degrees rotationally symmetrical with the heat exchanger 2 as the axis of symmetry. Each of the left and right sides of the heat exchanger 2 is composed of one blower 3, 4 and one partition member 5. That is, the inside of the main body casing 1 having a box structure in which the top plate portion of the rectangular parallelepiped is openable and closable as the upper lid 6 is a laminated heat exchanger 2 mounted in the central width direction of the main body casing 1.
A pair of partition members 5 provided on the left and right sides of the heat exchanger 2 at rotationally symmetrical positions of 180 degrees about the heat exchanger 2 as an axis.
Defined by and intersecting each other in the heat exchanger 2 so as to be capable of exchanging heat, and constituted in all paths independently of each other through an exhaust passage through which indoor air passes and an air supply passage through which outdoor air passes.
One end of the exhaust passage is connected to an exhaust suction port 7 opened on one side of the body casing 1, and the other end is connected to an exhaust air outlet 8 opened on the other side of the body casing 1 via a blower 4 for exhaust. ing. Further, one end of the air supply passage is connected to a supply air outlet 9 opened on one side of the main body casing 1 via a blower 3 for air supply, and the other end is opened on the other side of the main body casing 1. 10 are contacted respectively. A seal member 11 is provided on each of the contact surface between the main casing 1 and the upper lid 6 and the contact surface between the upper lid 6 and the upper ridge portion of the heat exchanger 2, and the airtightness of these portions is maintained.

As shown in FIG. 2, each partition member 5 has a heat exchanger side partition wall 12 which is parallel to the side surface of the main body casing 1 and abuts the front surface or the back surface of the main body casing 1, and an angle formed by the heat exchanger side partition wall 12. And a vertical partition wall 13 which is parallel to the front surface of the main body casing 1 and contacts a side surface of the main body casing 1, and which extends from the lower end of the vertical partition wall 13 to hit the front or back surface of the main body casing 1.
And a transverse partition wall 14 substantially parallel to the bottom surface of the main body casing 1, and the upper end and the upper end surface of the main body casing 1 are fixed to be flush with each other. Sealing members 11 are all provided on the contact surfaces of the partition members 5 with other members to keep the parts airtight. The heat exchanger side partition wall 12 of the partition member 5 has a transverse partition wall 14 at its lower edge.
And the inner end surface of the heat exchanger 2 are in contact with the ridge line portion at the intermediate position which is the boundary between the open surface of the working fluid passage of the heat exchanger 2. By this partition member 5, both sides of the heat exchanger 2 of the main body casing 1 are defined as front and rear and upper and lower sides.

A flat rectangular portion defined by the heat exchanger side partition wall 12, the vertical partition wall 13, and the back surface or front surface and side surface of the main body casing 1 is open at the bottom and is a blower for air supply or exhaust 3. 4 is installed with its suction port facing downward, with its air outlet facing sideways connecting to the air supply air outlet 9 or the exhaust air outlet 8. The vertical partition wall 13, the transverse partition wall 14, and the part defined by the back surface or the front surface and the side surface of the main body casing 1,
The lower part is a transverse partition wall 14, which is closed near the middle position of the height of the main body casing 1 and the air intake port 10 is laterally closed.
Alternatively, it is connected to the exhaust suction port 7 and is open inwardly on the surface of the heat exchanger 2 facing the working fluid passage on the upper side in the drawing. The bottom side of the main body casing 1 is separated into the left and right sides only by the heat exchanger 2, and is connected to the suction sides of the blowers 3 and 4 for air supply or exhaust, respectively.

In the heat exchange ventilator of the above construction, the air supply passage and the exhaust passage are connected to the inside and outside of the room by ducts (not shown) to perform the ventilation function. That is, as shown in FIGS. 3 and 4, the room air is discharged from the exhaust suction port 7 on one side of the main body casing 1.
Is sucked into the main body casing 1 and linearly proceeds through an exhaust passage defined by a vertical partition wall 13 and a transverse partition wall 14, and passes through a working fluid passage that runs obliquely from the upper side to the lower side of the heat exchanger 2 to the main body casing 1. To the bottom side on the opposite side, and is sucked into the blower 4 for exhaust and is exhausted to the outside from the exhaust air outlet 8 through the duct. Further, fresh outdoor air is sucked into the main body casing 1 through the air supply inlet 10 on the other side of the main body casing 1, and linearly advances through the air supply passage defined by the vertical partition wall 13 and the transverse partition wall 14 to generate heat. It passes through the other working fluid passage that runs diagonally from the upper side to the lower side of the exchanger 2, reaches the bottom side on the opposite side of the main body casing 1, is sucked into the air blower 3 for air supply, and passes through the duct from the air supply outlet 9 After that, it is exhausted to the outside. During this time, the supply air flow and the exhaust flow are heat-exchanged when passing through the working fluid passage of the heat exchanger 2, so that ventilation is performed by supply / exhaust with little variation in the state quantity. The feature of this heat exchange ventilation device is that the inside of the main body casing 1 on the left and right sides of the central heat exchanger 2 has a symmetrical structure, and the heat exchanger 2 and the pair of partition members 5 having a simple structure are combined to form linear portions. Since the air supply passage and the exhaust passage are configured, the airtightness of both passages is kept high by the seal member 11 with a simple structure in which the ventilation resistance applied to the air supply passage and the exhaust passage is small. In addition, the symmetric structure facilitates maintenance because the positional relationship of the internal mechanism can be predicted.

Embodiment 2. FIG. 5 is a cross-sectional plan view of a heat exchange ventilator showing another embodiment of the present invention. In the heat exchange ventilator of this embodiment, two air supply outlets 9 and one air intake inlet 10 and two exhaust air outlets 8 and two exhaust air inlets 90 are provided.
It is provided with a difference in the direction of rotation, and can be selectively opened and closed to function, except that the internal structure can also be attached to the position where each blower 3, 4 is rotated 90 degrees in the horizontal plane. Is the same as that in the first embodiment. That is,
Each of the blowers 3 and 4 is provided with a mounting portion 15 that can be fixed even if it is displaced by 90 degrees with respect to the fixing structure provided on the partition member 5.

This heat exchange ventilator is particularly suitable for the air supply outlet 9
Since the intake air inlet 10 and the exhaust air outlet 8 and the exhaust air inlet 7 can be made to function by opening in different directions by 90 degrees, respectively, the degree of freedom in the directionality when connecting the ducts is increased, and the installation is improved. There are less restrictions on.

Example 3. 6 and 7 are a cross-sectional plan view and a vertical front view of a heat exchange ventilator showing another embodiment of the present invention. In the heat exchange ventilator of this embodiment, a gap is set between one side of the heat exchanger 2 and the front surface or the back surface of the main body casing 1, and the space is not used to pass through the heat exchanger 2 in the air supply passage or the exhaust passage. It is provided with a bypass 16 that directly connects the suction side and the blowing side. The bypass 16 is provided on its inlet side with a damper 17 for opening and closing a passage leading to the heat exchanger 2 side and closing and opening the bypass 16. The other structure is the same as that of the first embodiment.

This heat exchange ventilator performs normal ventilation operation by supplying and exhausting air by operating the bypass 16 in the middle of spring and autumn when a comfortable environment can be obtained rather than by heat exchange ventilation. become able to.

[0021]

As is apparent from the above description of the embodiments, according to the present invention, the inside of the main body casing on the left and right sides of the central heat exchanger is provided with only a pair of partition members and a part of the air supply passage, A part of the exhaust passage can be partitioned in the left-right, front-rear, and up-down directions by a heat-exchanger-side partition wall, a vertical partition wall, and a transverse partition wall. With this structure, the cost can be reduced, and the airtightness of both passages can be kept high.

According to another aspect of the invention, the blowing direction of the indoor air and the blowing direction of the outdoor air can be changed by rotating the blowers, so that the degree of freedom in the direction of duct connection is increased.

[0023] According to still another aspect of the present invention, the indoor air or the outdoor air can be passed around the heat exchanger by bypassing the bypass, and the normal ventilation by the air supply / exhaust without heat exchange in the intermediate period such as spring and autumn. Can also be implemented, increasing functionality.

[Brief description of drawings]

FIG. 1 is a perspective view showing a heat exchange ventilator according to an embodiment of the present invention.

FIG. 2 is a partial perspective view showing an extracted configuration of a main part in FIG.

FIG. 3 is a cross-sectional plan view showing the function of the heat exchange ventilation device of FIG. 1.

FIG. 4 is a vertical sectional front view showing the function of the heat exchange ventilation device of FIG. 1.

FIG. 5 is a cross-sectional plan view of a heat exchange ventilator according to another embodiment of the present invention.

FIG. 6 is a cross-sectional plan view showing a heat exchange ventilator according to still another embodiment of the present invention.

7 is a vertical cross-sectional front view of the heat exchange ventilation device of FIG.

FIG. 8 is a perspective view showing a configuration of a conventional heat exchange ventilation device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body casing 2 Heat exchanger 3 Blower 4 Blower 5 Partition member 7 Exhaust air inlet 8 Exhaust air outlet 9 Air supply outlet 10 Air supply inlet 11 Seal member 12 Heat exchanger side partition wall 13 Vertical partition wall 14 Transverse partition wall 15 Mounting part 16 Bypass 17 Damper

Claims (3)

[Claims] 1. A laminated heat exchanger having a main body casing having a rectangular parallelepiped box structure installed in a central width direction of the main body casing, and the heat exchangers are disposed on the left and right sides of the heat exchanger as axes. The exhaust passage and the outdoor air, which are defined by a pair of partition members respectively provided at rotationally symmetrical positions of 180 degrees, intersect with each other so that heat can be exchanged in the heat exchanger, and through which the indoor air that is independent from each other in all the paths are passed. The air supply passage through which one end of the exhaust passage is formed is opened to one side of the main body casing and the other end is opened to the other side of the main body casing. Let each one communicate via a blower for exhaust that blows in in the lateral direction,
One end of the air supply passage is blown into the air supply outlet, which is opened at one side of the main body casing, from below and is blown out in the lateral direction, and the other end is provided to the other side of the main body casing. The partition members are respectively connected to the opened air intake ports, and each partition member is a heat-exchanger-side bulkhead that is parallel to a side surface of the main-body casing and corresponds to a front surface or a back surface of the main-body casing, and the heat-exchanger-side bulkhead. A vertical partition wall which is parallel to the front surface of the main body casing and makes an angle with the side surface of the main body casing, and a transverse partition wall which extends from the lower end of the vertical partition wall and which corresponds to the front or back surface of the main body casing and is substantially parallel to the bottom surface of the main body casing. ,
A heat exchange ventilator characterized in that an airtight holding member is interposed on the contact surface with other members. 2. Each of the blowers for air supply and exhaust has 9
It is assembled so that it can rotate in a 0 degree horizontal plane, and the air supply outlet and the exhaust outlet of the main body casing are also provided on the back surface and the front surface of the main body casing so as to correspond to the rotational position of each blower. The heat exchange ventilation device according to Item 1. 3. The air supply passage or the exhaust passage is provided with a bypass having an openable and closable damper that connects the intake side and the outlet side without passing through a heat exchanger. The heat exchange ventilation device described in.