KR100762512B1 - Energy recovery ventilation capable of repairing inner parts easily - Google Patents

Abstract

An energy recovery ventilation capable of repairing inner parts easily is provided to facilitate repair and maintenance of internal components such as air supply fan, ventilation fan, motors, or heat exchanger without disassembling the entire product by simply opening first, second, third doors. An energy recovery ventilation(100) capable of repairing inner parts easily comprises a duct(10), a heat exchanger(30), first, second, third doors(41,42,43), and a plurality of connection pieces. The duct is divided into an air supply duct(11) for introducing outdoor air to the inside by an air supply fan(20), and a ventilation duct(12) crossed with the air supply duct for ventilating indoor air to the outside by a ventilation fan(21). The heat exchanger is provided at the point where the air supply duct and the ventilation duct are crossed, partitioned with a plurality of air supply passages communicating with the air supply duct and a plurality of ventilation passages communicating with the ventilation duct, which are adjacent to each other, for exchanging air inside the air supply passages and ventilation passages with each other. The first, second, third doors are provided at the duct, adjacent the air supply fan, ventilation fan, and heat exchanger for easy repair. The plurality of connection pieces are provided at the duct to connect a fixing rod whose one side is fixed on a ceiling wall. The air supply fan and the ventilation fan are rotated by the same kind of motors(20a,21a) respectively, having the heat exchanger therebetween, wherein the motors face the doors respectively.

Description

Energy recovery ventilation capable of repairing inner parts easily}

1 is a perspective view showing an embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention,

Figure 2 is a front view showing an embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention,

3 is an exploded perspective view showing an embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention,

Figure 4 is a front view showing another embodiment of the waste heat recovery ventilator easy to maintain the internal components according to the present invention,

5 is an exploded perspective view showing another embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention,

6 is a front view showing another embodiment of the waste heat recovery ventilator easy to maintain the internal components according to the present invention,

Figure 7 is an exploded perspective view showing a part of another embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention.

Explanation of symbols on the main parts of the drawing

10; Duct 11; Air supply duct

11a; Air supply inlet 11b; Air supply outlet

12; Exhaust duct 12a; Exhaust inlet

12b; Exhaust outlet 20; Air supply fan

20a; Motor 21 of the supply fan; Exhaust fan

21a; Motor 30 of the exhaust fan; heat transmitter

41; First opening and closing door 42; Second opening door

43; Third open / close door 50; Connector

51; T-shaped groove 60; volt

70,71; Fixing piece 80,81; Jam

90; Handle 100,100 ', 100 "; waste heat recovery ventilator

110; hinge

The present invention relates to a waste heat recovery ventilator, and more particularly to a waste heat recovery ventilator easy to maintain the blower unit.

In general, enclosed indoor air is increased by carbon dioxide content over time by occupants living in the room, which may interfere with the breathing of life, especially in a narrow room such as an office or a vehicle. In this case, a waste heat recovery ventilator having a heat exchanger installed to replace polluted air indoors with fresh air outside and heat exchange between the indoor air and the outdoor air occurs.

However, the waste heat recovery ventilator according to the prior art has a blower unit, that is, an air supply fan and an exhaust fan, and each motor for driving the motor together are installed in the duct in which the heat exchanger is installed, so that the internal air supply fan, the exhaust fan, and the motor are various components. Due to the need to dismantle the duct to check the internal components had a problem that is difficult to check and repair.

In particular, in the case of the embedded waste heat recovery ventilator, if the motors of the air supply fan and the exhaust fan fail, the installed product is put down on the floor from the ceiling, and there is an inconvenience that maintenance can be performed only after disassembling.

Recently, in order to solve the above problems, a separate inspection port is made in the duct, and a structure for repairing the motor of the supply fan and the exhaust fan has been introduced through the inspection port. Since the motor is directed toward the inspection port by adopting different types, the manufacturing process and the cost are high.

The present invention has been made to solve the above problems, and provides a waste heat recovery ventilator that is easy to maintain the internal parts such as the air supply fan and its motor, the exhaust fan and its motor, heat exchanger and the like installed in the duct. Its purpose is to.

According to an aspect of the present invention for achieving the above object, divided into an air supply duct for introducing outdoor air into the room by the air supply fan and an exhaust duct crossing the air supply duct and outflowing the indoor air to the outdoor by the exhaust fan duct; The air supply duct and the exhaust duct are provided at the intersection point, the plurality of air supply passage communicating with the air supply duct and the plurality of exhaust passage communicating with the exhaust duct are adjacent to each other and the air inherent in the air supply passage and exhaust passage Heat exchangers for exchanging heat with each other; A plurality of opening and closing doors provided in the duct and provided adjacent to the air supply fan, the exhaust fan, and the heat exchanger to facilitate maintenance of the air supply fan, the exhaust fan, and the heat exchanger; And a plurality of connecting holes so that one side of the duct is connected to a fixed rod fixed to the ceiling wall, wherein the air supply fan and the air exhaust fan are rotated by the same type of motor with the heat exchanger therebetween, respectively. The motor of the exhaust fan and the motor of the exhaust fan provides a waste heat recovery ventilator easy to maintain the internal parts, characterized in that facing each of the opening and closing doors.

The motor of the air supply fan is positioned to be rotated 0 ° about the motor shaft so as to face the side where the opening / closing door is installed, and the motor of the exhaust fan is located in the same direction as the motor of the air supply fan side in the duct. It is positioned 180 ° around the motor shaft.

The opening and closing door includes a first opening and closing door for opening and closing the air supply fan side in the duct, a second opening and closing door for opening and closing the heat exchanger side in the duct, and a third opening and closing door for opening and closing the exhaust fan side in the duct. .

The first opening and closing door and the third opening and closing door are fastened to the duct by bolts, and are opened and closed as the bolts are pulled and loosened.

The first opening and closing door and the third opening and closing door is fastened by the duct and the engaging structure, the duct is provided with a plurality of fixing pieces, the first opening and closing door and the third opening and closing door any one of the fixing pieces A catching piece is provided to catch on.

The first opening and closing door and the third opening and closing door is fastened by the duct and the hinge, the opening and closing according to the rotation radius of the hinge.

The first opening and closing door and the third opening and closing door are formed of a transparent window to enable identification of the air supply fan and its motor and the exhaust fan and its motor located inside the duct.

The second opening and closing door is provided with a locking piece so as to correspond to any one of a plurality of fixing pieces provided in the duct.

The first opening door, the second opening door, and the third opening door are provided with a handle.

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Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the waste heat recovery ventilator for easy maintenance of the internal components according to the present invention.

1 is a perspective view showing an embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention, Figure 2 is an embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention 3 is an exploded perspective view showing an embodiment of a waste heat recovery ventilator for easy maintenance of internal parts according to the present invention.

1 to 3, the waste heat recovery ventilator 100 for easy maintenance of the internal parts according to the present invention, the duct 10, air supply fan 20, exhaust fan 21, heat exchanger 30, and opening / closing doors 41, 42, and 43.

First, the duct 10 crosses the air supply duct 11 for introducing outdoor air into the room by the air supply fan 20 and the air supply duct 11 and flows out the indoor air to the outside by the exhaust fan 21. The exhaust duct 12 is divided into.

In an embodiment, the duct 10 is box-shaped so that the air supply duct 11 and the exhaust duct 12 intersect with each other at a predetermined position.

In addition, the air supply duct 11 and the exhaust duct 12 do not interfere with each other due to the partition 13 partitioning the inside of the duct 10.

The partition 13 is provided in all directions inside the duct 10 so as to partition the duct 10 into the air supply duct 11 and the exhaust duct 12.

An air supply suction port 11a is formed at one end of the air supply duct 11, and an air supply outlet 11b is formed at the other end of the air supply duct 11. An exhaust inlet 12a is formed in communication with the other end, and an exhaust outlet 12b in communication with the outside is formed at the other end opposite thereto.

In addition, the duct 10 preferably has a plurality of connectors 50 so that one side thereof is connected to a fixed rod (not shown) fixed to the ceiling wall (not shown).

In the embodiment, the plurality of connectors 50 are provided on both sides of the first opening and closing door 41 and the third opening and closing door 43 as described below, and the T-shaped groove so that the fixing rod to which the bolt 60 is fitted is locked. Has 51.

In addition, the duct 10 is provided with a plurality of fixing pieces 70 adjacent to the first opening and closing door 41 and the third opening and closing door 43, the fixing piece 70 is the second opening and closing door ( Will be described in detail in the description of 42).

An air supply fan 20 for forcibly sucking outdoor air is provided at the air supply inlet 11a of the air supply duct 11, and an exhaust fan forcibly discharging indoor air to the air inlet 12a of the exhaust duct 12. 21).

In the present invention, it is preferable that the air supply fan 20 and the exhaust fan 21 are rotated by the same type of motors 20a and 21a, respectively, with the heat exchanger 30 therebetween.

The motor 20a of the air supply fan 20 and the motor 21a of the exhaust fan 21 are preferably installed to face the opening / closing doors 41 and 43, respectively.

Specifically, the motor 20a of the air supply fan 20 is positioned with 0 ° rotated about the motor shaft so as to face the side where the opening / closing door 42 is installed, and the motor 21a of the exhaust fan 21 is a duct ( 10) is located in a state rotated 180 degrees around the motor shaft to be located in the same direction as the motor 20a on the air supply fan 20 side.

According to the present invention, as the motor 20a of the air supply fan 20 and the motor 21a of the exhaust fan 21 are positioned as described above, the air supply fan 20, its motor 20a, the exhaust fan 21 and Not only is the motor 21a easy to repair, but also the motors 20a and 21a applied to the air supply fan 20 and the exhaust fan 21 are of the same type, which significantly reduces the manufacturing process and cost compared to the prior art. There is an excellent effect to reduce.

The heat exchanger 30 is provided at the point where the air supply duct 11 and the exhaust duct 12 cross each other.

The heat exchanger 30 is divided into a plurality of air supply passages (not shown) in communication with the air supply duct 11 and a plurality of exhaust passages (not shown) in communication with the exhaust duct 12 adjacent to each other, the air supply passage and The air inherent in the exhaust passage is exchanged with each other.

In an embodiment, the heat exchanger 30 heat-exchanges the outdoor air that is supplied at the point where the air supply duct 11 and the exhaust duct 12 intersect and the indoor air that is exhausted.

The heat exchanger 30 is provided with a plurality of air supply passages communicating with the air supply duct 11 and a plurality of air exhaust passages adjacent to the air supply passages and communicating with the exhaust duct 12.

Although not separately shown in the drawings, a heat exchange plate having excellent heat conduction efficiency is provided at the boundary between the air supply passage and the exhaust passage.

On the other hand, the opening and closing doors (41, 42, 43) are provided in the duct (10).

The opening / closing doors 41, 42, and 43 have an air supply fan 20, an exhaust fan 21, and a heat exchanger 30 so as to facilitate maintenance of the air supply fan 20, the exhaust fan 21, and the heat exchanger 30. And are provided adjacent each, preferably made of a plurality.

In the embodiment, the opening and closing doors (41, 42, 43) is the first opening and closing door 41 for opening and closing the air supply fan 20 side in the duct 10, and the second opening and closing side of the heat exchanger side in the duct (10) The opening and closing door 42 and the third opening and closing door 43 for opening and closing the exhaust fan 21 side in the duct 10.

The first open / close door 41 and the third open / close door 43 are fastened to the duct 10 by bolts 60.

The first opening and closing door 41 and the third opening and closing door 43 can be opened and closed in accordance with the plunge and loosening of the bolt (60).

In the embodiment, a total of four bolts 60 are formed to be inserted into corner portions of the first opening and closing door 41 and the third opening and closing door 43, but the bolts 60 are formed of the first opening and closing door 41 and the first opening and closing door 41. It may be formed so as to be inserted in addition to the corner portion of the three open door (43).

The first opening / closing door 41 and the third opening / closing door 43 identify the air supply fan 20 and its motor 20a and the exhaust fan 21 and its motor 21a located inside the duct 10. It is preferable that this is made of a transparent window.

However, if necessary, the first opening and closing door 41 and the third opening and closing door 43 may be made of opaque or translucent windows.

Although not shown separately in the drawings, the first opening and closing door 41 and the third opening and closing door 43 may be provided with a handle (not shown) separately.

This handle provides the ease for the operator to open and close the first opening and closing door 41 and the third opening and closing door 43 during operation.

The second opening and closing door 42 is provided with a locking piece 80 to correspond to the plurality of fixing pieces 70 provided in the duct 10.

In the embodiment, the fixing piece 70 is provided on both sides with respect to the second open door 42, the shape has a shape that is bent toward the second open door (42).

And the locking piece 80 is provided on one side of the second open door 42 to correspond to any one of the fixing piece 70, the shape corresponding to the fixing piece 70 to be locked to the fixing piece 70 It has a curved shape.

The second opening and closing door 42 is preferably provided with a handle 90.

The handle 90 provides the ease for the operator to open and close the second opening and closing door 42 at the time of work.

In the waste heat recovery ventilator 100 of which the internal parts of the present invention can be easily maintained, the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21 and the heat exchanger 30 are maintained. The work order is as follows.

First, the worker tightens the bolt 60 which is fastened to the first opening / closing door 41 and the third opening / closing door 43 in order to maintain the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21. After the tool is released and the first opening and closing door 41 and the third opening and closing door 43 are opened, the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21 are repaired and repaired, respectively.

In addition, the worker releases the locking piece 80 provided on one side of the second opening and closing door 42 from the one side fixing piece 70 in order to maintain the heat exchanger 30, and the other of the second opening and closing door 42. The side is separated from the other fixing piece 70, the handle 90 is removed, the second opening and closing door 42 is removed, and the heat exchanger 30 is repaired and repaired.

Figure 4 is a front view showing another embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention, Figure 5 is another embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention Some exploded perspective view showing the.

4 and 5, the waste heat recovery ventilator (100 ') for easy maintenance of the internal parts according to the present invention, the duct 10, air supply fan 20, exhaust fan 21, heat exchange And 30, and opening and closing doors (41, 42, 43), but only the opening and closing method of the opening and closing doors (41, 42, 43) is different from the above embodiment, the same configuration as the above embodiment Description of the duct 10, the air supply fan 20, the exhaust fan 21, the heat exchanger 30 is omitted, the first opening and closing door 41 and the opening and closing doors (41, 42, 43) of the configuration is different The third opening and closing door 43 will be described mainly.

The first opening and closing door 41 and the third opening and closing door 43 is fastened by the duct 10 and the engaging structure.

In an embodiment, the duct 10 is provided with a plurality of fixing pieces 71 and the first piece opening and closing door 41 and the third opening and closing door 43 to the locking piece (71) to be caught on any one of the fixing pieces (71) 81).

That is, the fixing piece 71 is provided on the upper and lower sides with respect to the first open door 41 and the third open and close door 43, respectively, the shape of the first open and close door 41 and the third open ( 43, bent toward the shape.

The locking piece 81 is provided above or below each of the first open door 41 and the third open / close door 43 so as to correspond to any one of the fixed pieces 71. ) Has a curved shape corresponding to the fixing piece (71).

The first opening / closing door 41 and the third opening / closing door 43 identify the air supply fan 20 and its motor 20a and the exhaust fan 21 and its motor 21a located inside the duct 10. It is preferable that the transparent window is made to enable this.

However, if necessary, the first opening and closing door 41 and the third opening and closing door 43 may be made of opaque or translucent windows.

Although not shown separately in the drawings, the first opening and closing door 41 and the third opening and closing door 43 may be provided with a handle (not shown) separately.

This handle provides the ease for the operator to open and close the first opening and closing door 41 and the third opening and closing door 43 during operation.

When the motor 20a, 21a of the air supply fan 20 and the exhaust fan 21 is maintained in the waste heat recovery ventilator 100 'which is easy to maintain the internal parts according to the present invention, the working order is as follows. .

First, in order for the worker to maintain the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21, the engaging pieces provided on the upper sides of the first opening and closing door 41 and the third opening and closing door 43, respectively ( 81 is released from the upper fixing piece 71, the lower side of each of the first opening and closing door 41 and the third opening and closing door 43 is separated from the lower fixing piece 70, the first opening and closing door 41 And the third open / close door 43 are opened, and the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21 are repaired and repaired, respectively.

Figure 6 is a front view showing another embodiment of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention, Figure 7 is another still of the waste heat recovery ventilator easy to maintain the internal parts according to the present invention Some exploded perspective views showing examples.

6 and 7, the waste heat recovery ventilator 100 ″, which is easy to maintain the internal parts according to the present invention, includes a duct 10, an air supply fan 20, an exhaust fan 21, and a heat exchanger. And 30, and opening and closing doors (41, 42, 43), but only the opening and closing method of the opening and closing doors (41, 42, 43) is different from the above embodiments, the same as the above embodiments Description of the duct 10, the air supply fan 20, the exhaust fan 21, and the heat exchanger 30, which is a configuration, omits the first opening / closing door 41 from the opening / closing doors 41, 42, and 43, which are different from each other. ) And the third opening and closing door 43 will be described mainly.

The first open / close door 41 and the third open / close door 43 are fastened by the duct 10 and the hinge 110, and are opened and closed according to the rotation radius of the hinge 110.

In an embodiment, the first opening and closing door 41 and the third opening and closing door 43 are connected to the duct 10 and the upper portion by the hinge 110.

However, the first opening and closing door 41 and the third opening and closing door 43 may be connected to the duct 10 and the side or lower portion by the hinge 110.

The first opening / closing door 41 and the third opening / closing door 43 identify the air supply fan 20 and its motor 20a and the exhaust fan 21 and its motor 21a located inside the duct 10. It is preferable that this is made of a transparent window.

However, if necessary, the first opening and closing door 41 and the third opening and closing door 43 may be made of opaque or translucent windows.

Although not shown separately in the drawings, the first opening and closing door 41 and the third opening and closing door 43 may be provided with a handle separately.

This handle provides the ease for the operator to open and close the first opening and closing door 41 and the third opening and closing door 43 during operation.

When the motor 20a, 21a of the air supply fan 20 and the exhaust fan 21 is maintained in the waste heat recovery ventilator 100 ", which is easy to maintain the internal parts according to the present invention, the working sequence is as follows. .

First, the operator opens the upper and duct 10 of each of the first opening and closing door 41 and the third opening and closing door 43 to maintain the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21. After opening the first open / close door 41 and the third open / close door 43 by using the hinge 110 to be connected, the motors 20a and 21a of the air supply fan 20 and the exhaust fan 21 are repaired, respectively. And repair.

The present invention relates to a waste heat recovery ventilator that is easy to maintain the internal parts, the air supply fan and its motor, exhaust fan and There is an excellent effect that can easily maintain its internal parts, such as a motor, a heat exchanger.

In addition, the present invention has the advantage that the motor of the air supply fan and the motor of the exhaust fan facing the first to third opening and closing doors, respectively, the operator can work more conveniently.

In addition, since the air supply fan and the exhaust fan each have the same type of motor with a heat exchanger therebetween, there is an excellent effect that the manufacturing process and cost are reduced.

The present invention has the advantage that the first and the third open and close the door is made of a transparent window, easy identification of the operator.

The present invention has the advantage that the operator can open and close the door more conveniently by providing a handle to each of the first to third opening and closing doors.

Claims (10)

A duct divided into an air supply duct for introducing outdoor air into the room by an air supply fan and an air exhaust duct intersecting the air supply duct for outflow of the indoor air to the outside by the air exhaust fan; The air supply duct and the exhaust duct are provided at the intersection point, the plurality of air supply passage communicating with the air supply duct and the plurality of exhaust passage communicating with the exhaust duct are adjacent to each other and the air inherent in the air supply passage and exhaust passage Heat exchangers for exchanging heat with each other; A plurality of opening and closing doors provided in the duct and provided adjacent to the air supply fan, the exhaust fan, and the heat exchanger to facilitate maintenance of the air supply fan, the exhaust fan, and the heat exchanger; And The duct includes a plurality of connectors so that one side is connected to a fixed rod fixed to the ceiling wall, The air supply fan and the exhaust fan are rotated by the same type of motor, respectively, with the heat exchanger therebetween, and the motor of the air supply fan and the motor of the exhaust fan face the opening and closing door, respectively. Easy-to-maintain waste heat recovery ventilator. The method of claim 1, The motor of the air supply fan is positioned to be rotated 0 ° about the motor shaft so as to face the side where the opening / closing door is installed, and the motor of the exhaust fan is located in the same direction as the motor of the air supply fan side in the duct. Waste heat recovery ventilator for easy maintenance of internal parts further comprising a 180 ° rotational position around the motor shaft. The method of claim 2, The opening and closing door includes a first opening and closing door for opening and closing the air supply fan side in the duct, a second opening and closing door for opening and closing the heat exchanger side in the duct, and a third opening and closing door for opening and closing the exhaust fan side in the duct. Waste heat recovery ventilator for easy maintenance of internal parts, including. The method of claim 3, wherein The first opening and closing door and the third opening and closing door is fastened to the duct by a bolt, the waste heat recovery ventilator easy to maintain the internal parts further comprising the opening and closing in accordance with the plunge and loosening of the bolt. The method of claim 3, wherein The first opening and closing door and the third opening and closing door is fastened by the duct and the engaging structure, the duct is provided with a plurality of fixing pieces, the first opening and closing door and the third opening and closing door any one of the fixing pieces Waste heat recovery ventilator for easy maintenance of internal parts further comprising a locking piece to be caught on. The method of claim 3, wherein The first opening and closing door and the third opening and closing door is fastened by the duct and the hinge, the heat recovery ventilation device for easy maintenance of the internal parts further comprising the opening and closing according to the rotation radius of the hinge. The method according to any one of claims 4 to 6, The first opening door and the third opening door is easy to maintain the internal parts, including the air supply fan and its motor located inside the duct and a transparent window to identify the exhaust fan and its motor. Waste heat recovery ventilator. The method of claim 3, wherein The second opening and closing door is a waste heat recovery ventilator easy to maintain the internal parts further comprises a locking piece is provided so as to correspond to any one of a plurality of fixing pieces provided in the duct. The method of claim 3, wherein The first open door, the second open door, and the third open door further comprises a handle provided in the waste heat recovery ventilator easy to maintain the internal parts. delete

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