JPH02267443A - Ventilator for air conditioner - Google Patents

Abstract

PURPOSE:To attach and detach a heat exchanger easily and smoothly by means of only the vertical moving operation by installing clasps which connect removably the heat exchanger in the inside of the opening of a mainbody. CONSTITUTION:A ventilator for an air conditioner is composed of a square and box type mainbody 1 including a blower internally, an opening part 1a which faces an outlet corner for an air supply stream and an inlet part for an air exhaust stream respectively and the outside of which is covered with a dressed panel 4, a nearly square pillar-shaped heat exchanger 2 which is included in the inside of the opening 1a with nearly and equipped with a handle 14, and roller catcher type clasps 21, 27 which connect removably the exchanger 2 in the inside of the opening part 1a of the mainbody 1. Consequently, the exchanger 2 can be easily and smoothly attached detached by only the vertical moving operation with the handle 14 and also securely supported at the fixed location.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air conditioning ventilation system that performs air supply and exhaust through a heat exchanger.

[Prior art] As a conventional air conditioning ventilation system of this type,
Examples include the technology published in Publication No. 745.

FIG. 7 is a front view showing a conventional air conditioning ventilation system, FIG. 8 is a longitudinal sectional side view of the main part of FIG. 7, and FIG. 9 is a longitudinal sectional side view showing the moving state of the heat exchanger.

In the figure, (1) is a rectangular box-shaped main body installed in the ceiling and has an opening (1a) on the bottom surface with a built-in blower (not shown), and (2) is a rectangular box-shaped main body installed in the ceiling (not shown). It is a housed heat exchanger that allows supply air and exhaust air to pass orthogonally to each other, exchanging heat at that time.It is formed into a substantially square column shape, and its surface is angled at 45 degrees to the surface of the main body (1). It is placed at an angle.

(3) is the ceiling plate, (4) is the opening (1a) of the main body (1)
It is a lid-shaped decorative panel that covers the outside of the air vent, and has an outside air outlet and an exhaust air inlet.

(5) is a ceiling mount bolt, <6> is an air filter installed on the inflow side of the supply air of the heat exchanger (2), (7) is an air filter also installed on the inflow side of exhaust air, ( 8〉
are partition plates provided between the upper and lower ridge lines of the heat exchanger (2), the main body (1), and the decorative panel (4). (9) is a partition plate provided between the ridge lines on both sides of the heat exchanger (2) and the main body (1), and is a plate-shaped support plate (41) fixed to the side of the main body (1). Or screw (43) on support plate (44)
Or it is fixed with a screw (45).

(42) is fixed to the partition plate (9> and support plate (41) on one side of the heat exchanger (2), and rotates the heat exchanger (2) toward the opening (1a) of the main body (1). It is a hinge that
A is outside air and B is exhaust air.

Next, the operation of the conventional air conditioning ventilation system configured as described above will be explained.

Outside air enters the outside air suction chamber (10) by a supply air blower (not shown), is removed from dust by an air filter (6), and passes through a heat exchanger (2). During this time, heat is exchanged between this and the exhaust gas B which is perpendicular to this.

Then, enter the outside air blowing room (11) and enter the decorative panel (4).
) is blown into the room from the outside air outlet.

On the other hand, indoor exhaust B is an exhaust fan! a (not shown), the exhaust gas is sucked in from the exhaust suction port of the decorative panel (4), enters the exhaust suction chamber (12), is removed by an air filter (7), and enters the heat exchanger (2). Exchanger (2)
While passing through the air, heat is exchanged between it and the outside air A that is perpendicular to the air. Then, it enters the exhaust blowing chamber (13) and is discharged outside.

Next, the operation of cleaning (hanging and inspecting) the heat exchanger (2) will be explained.

When cleaning or inspecting this heat exchanger (2), first check the screws (
45> is removed and the heat exchanger (2) is rotated by the hinge (42) towards the opening (1a) of the body (1);
The main body (1> is exposed).

Also, when replacing the heat exchanger (2), first screw (4)
5) and screws (43) are removed, and the heat exchanger (2) is removed from the opening (1a) of the main body (1).

[Problems to be Solved by the Invention] Since the conventional air conditioning ventilation system is configured as described above, the space for mounting the screws (45) is narrow, making it difficult to clean and inspect the heat exchanger (2). In this case, the workability of attaching and removing the screw (45) is very poor. Furthermore, when replacing the heat exchanger (2), the space for mounting the screws (43) and screws (45) is narrow, so the installation workability is particularly poor. Depending on the tightening condition of the heat exchanger (2), there was a possibility that the heat exchanger (2) would not rotate.

Therefore, an object of the present invention is to provide an air conditioning ventilation system in which a heat exchanger can be easily and smoothly attached and detached.

[Means for Solving the Problems] An air conditioning ventilation device according to claim 1 is formed at the bottom of a box-shaped main body containing a built-in blower, has an outlet for supply air flow and an inlet for exhaust air flow, and has a decorative structure on the outside. an opening to which a panel is attached; a substantially square prism-shaped heat exchanger that is incorporated into the main body and has a handle; and a locking tool that removably locks the heat exchanger inside the opening of the main body. It consists of

An air conditioning ventilation system according to a second aspect uses the locking tool according to the first aspect as a suction means.

[Function] According to claim 1, since a locking tool is provided for removably locking the heat exchanger inside the opening of the main body,
The heat exchanger can be attached and detached by simply moving it up and down. At this time, the heat exchanger is reliably held in a predetermined position by being locked with the locking tool.

In the second aspect of the present invention, since the heat exchanger is provided with adsorption means for detachably locking the heat exchanger inside the opening of the main body, the heat exchanger can be attached and detached only by vertically operating the heat exchanger. Since the locking state is achieved by suction means, no external force is required for mounting.

[Example code] The present invention will be explained in detail below.

<First Embodiment> First, a first embodiment of the present invention will be described based on FIGS. 1 to 3.

FIG. 1 is a longitudinal sectional side view of the main parts of an air conditioning ventilation system according to the first embodiment of the present invention, FIG. 2 is a longitudinal sectional side view showing the moving state of the heat exchanger of the embodiment of FIG. 1, and FIG. FIG. 3 is a perspective view showing a locking tool used in an example. In the drawings, the same reference numerals as those in FIGS. 7 to 9 indicate parts that are the same as or correspond to conventional components, so their explanation will be omitted here.

In the figure, (14) is the handle attached to the outside air blowing chamber (11) side of the heat exchanger (2), and (21) is the handle attached to the main body (1).
The roller catch receiver is a member that is fixed to the center of both sides of the case with screws (26), and includes the case (22), two rollers (23) facing each other, and the arm part (2).
It is composed of a shaft (25) that supports two rollers (23) in an openable and closable manner via a shaft (25), and a coil spring (not shown) inserted into the shaft (25). The case (22) has a box body (22a) that houses the shaft (25) and the coil spring, a long hole (22C) for mounting, and a flat plate part (22C) attached to the side of the box body (22a). 22b).

The two rollers (23) are supported so as to be openable and closable in opposite directions about the shaft (25), and are normally closed. (27) is a metal roller catch protrusion member that is fixed with screws (28) to the partition plate (9) attached to the ridges on both sides of the heat exchanger (2), and the roller catch receiver is a member. (21) two rollers (2
3) It is composed of a substantially diamond-shaped protrusion (27a) to be inserted between the parts and a flat plate part (27b) having a mounting hole (27c). and the roller catch projection member (27>) are attached at positions facing each other, and constitute a pair of roller catch locking devices, which are a plurality of locking devices in this embodiment.

Next, the operation of the air conditioning ventilation system of the first embodiment configured as described above will be explained.

The air conditioning ventilation system of this first embodiment is the same as the conventional one except for the locking part and handle of the heat exchanger (2), and
Since the air supply and exhaust operate in the same way as conventional ones,
Here, only the differences from conventional air conditioning ventilation systems will be explained.

When cleaning, inspecting, or replacing the heat exchanger (2), use the handle (
14) downward, the roller catch protrusion member (
The protrusion (27a> of 27) is pulled while pushing the roller catch receptacle apart between the two rollers (23) against the elastic force of the coil spring attached to the member (21).

At this time, the roller catch locking devices disposed on both sides operate almost simultaneously, and the heat exchanger (2) is removed downward.

Conversely, when installing the heat exchanger (2), if the handle (14) is pushed up in the opposite direction to the above operation, the protrusion (27a> of the roller catch protrusion member (27>) It is inserted into the interior of the heat exchanger (21) while pushing apart the space between the two rollers (23) which are closed by the coil springs of the heat exchanger (21). ), the roller catch receiver is locked inside the main body (1) by the elastic force of the coil spring attached to the member (21).

As described above, the air conditioning ventilation system of the first embodiment corresponds to claim 1, and includes a rectangular box-shaped main body (1) with a built-in blower, and an outlet end for air supply flow and an exhaust end formed on the lower surface of this main body. There is an opening (1a) on which the inlet end for the flow faces, and a decorative panel (4) is mounted on the outside like a lid, and a handle is incorporated in the opening (1a) to be installed almost inside the opening (1a). (14) and a locking tool for removably locking the heat exchanger (2) inside the opening (1a) of the main body (1). It consists of a roller catch locking device.

Therefore, the heat exchanger (2) can be easily and smoothly attached and detached by simply holding the handle (14) and operating it in the vertical direction, and is securely supported in a predetermined position.

Second Embodiment Next, a second embodiment of the present invention will be described based on FIGS. 4 to 6.

FIG. 4 is a longitudinal sectional side view of the main parts of the air conditioning ventilation system according to the second embodiment of the present invention, FIG. 5 is a longitudinal sectional side view showing the moving state of the heat exchanger of the embodiment of FIG. 4, and FIG. FIG. 2 is a perspective view showing the suction means used in this example. Note that in the drawings, the same reference numerals as in FIGS. 1 to 3 indicate the same or corresponding parts as those in the first embodiment, and therefore the explanation thereof will be omitted.

In the figure, (31) is a magnetic catch body fixed to the center of both sides of the body (1) with screws (34).
Multiple (two are shown in the figure) flat magnets (3
2), and a box-shaped case (33) that houses the magnets (32) at appropriate intervals and has flanges (33a) on both sides with holes (33b) for mounting. It is something. The magnet (32) is attached to the case (33
) 1 on the front! Those that have protruded to the extent of MI and are fixed,
A protruding part that expands and contracts under pressure is used. (35) is a steel flat magnetic catch adsorption plate that is fixed with screws (36) to the partition plates (9) attached to the ridges on both sides of the heat exchanger (2). The magnetic catch main body (31) and the magnetic catch suction plate (35) are installed at positions facing each other, and a pair of holes (35a), which are the suction means of this embodiment, are provided. It constitutes a magnetic catch locking device.

Next, the use of the air conditioning ventilation system of the second embodiment configured as described above will be explained.

The air conditioning ventilation system of this second embodiment has the same configuration as the conventional one except for the locking part and handle of the heat exchanger (2), and the air supply and exhaust operates in the same way, so we will not discuss it here. Duplicate explanations will be omitted and only the differences will be explained.

When cleaning, inspecting, or replacing the heat exchanger (2), pull the handle (14) of the heat exchanger (2) downward, and the magnetic catch suction plate (35) of the magnetic catch locking device will release the magnetic suction force. The magnetic catch body (31
) and the heat exchanger (2) can be removed.

Conversely, when installing the heat exchanger (2), if you hold the handle (14) and push it up, the magnetic catch body (31> and magnetic catch adsorption plate (35) will be attracted by the suction force of the magnet (32). However, the heat exchanger (2) is locked to the main body (1) and installed inside the main body (1).

As described above, the air conditioning ventilation system of the second embodiment corresponds to claim 2, and is a device in which the roller catch fastener of the first embodiment is replaced with a magnetic catch fastener, and is similar to the first embodiment. You can expect good results. In particular, in this embodiment, since it is attracted and locked by the magnet (32), the heat exchanger (
2) can be installed by simply applying it lightly from below, and no external force is required for installation other than lifting the heat exchanger (2).

By the way, both the roller catch locking device of the first embodiment and the magnetic catch locking device of the second embodiment are attached to both sides of the heat exchanger (2), but when implementing the present invention, However, the present invention is not limited to this, and may include the upper partition plate (8). In this case, the heat exchanger (2) can be locked even more firmly.

[Effects of the Invention] As described above, the air conditioning ventilation system of claim 1 has a main body of the same type with a built-in blower, an outlet for supply air flow and an inlet for exhaust air flow at the lower part of this main body, and has a decorative structure on the outside. An opening to which a panel is attached, a substantially rectangular prism-shaped heat exchanger that is incorporated inside this opening and has a handle, and a fitting that allows the heat exchanger to be detachably attached to the inside of the opening of the main body. It consists of a stopper. Therefore, when cleaning, inspecting, and replacing the heat exchanger, there is no need to remove screws, etc., and the heat exchanger can be easily and smoothly removed by the locking action of the locking tool.

Since the air-conditioning ventilation device according to claim 2 uses the locking tool according to claim 1 as an adsorption means, it can be attached to the main body by simply applying the heat exchanger lightly.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional side view of the main parts of an air conditioning ventilation system according to the first embodiment of the present invention, a second figure is a longitudinal sectional side view showing the moving state of the heat exchanger of the embodiment of Fig. A perspective view showing the locking device used in the embodiment, FIG. 4 is a longitudinal cross-sectional side view of the main parts of the air conditioning ventilation system of the second embodiment of the present invention, and FIG. 5 is a heat exchanger of the embodiment of FIG. 4. 6 is a perspective view showing the suction means used in this example, FIG. 7 is a front view showing a conventional air conditioning ventilation system, and FIG. 8 is a main view of FIG. 7. FIG. 9 is a vertical side view showing the moving state of the heat exchanger. In the figure, 1: Main body 1a: Opening 2: Heat exchanger 4: Decorative panel 14: Handle 21: Roller catch receiver member 27: Roller catch projection member 31: Magnetic catch body 35: Magnetic catch adsorption plate. In the drawings, the same reference numerals and the same symbols indicate the same or equivalent parts. Agent: Patent attorney Masuo Omiya Main body 2: Heat exchanger 21: Roller catch receiver member 27: Roller catch protrusion member Fig. 2 1a: Opening Fig. 5 Fig. 6 Fig. 7 Fig. 8

Claims (2)

[Claims] (1) A box-shaped main body with a built-in blower; an opening having a supply air flow outlet and an exhaust air flow inlet formed at the bottom of the main body, and a decorative panel attached to the outside; An air conditioning ventilation system comprising: a substantially quadrangular columnar heat exchanger having a built-in handle; and a locking tool for removably locking the heat exchanger inside an opening of a main body. (2) a box-shaped main body with a built-in blower; an opening having a supply air flow outlet and an exhaust air flow inlet formed at the bottom of the main body, and a decorative panel attached to the outside; An air conditioning ventilation system comprising: a substantially square columnar heat exchanger having a built-in handle; and suction means for removably locking the heat exchanger inside an opening of a main body.