KR100698910B1 - Duct type air conditioner - Google Patents

Abstract

A duct type air conditioner is provided to integrate a ventilation unit for carrying out both ventilation and air conditioning functions, wherein ventilation is carried out by a blower fan for the air conditioning instead of using any additional blower fan in a simplified structure. A duct type air conditioner includes a ventilation case(33) coupled with a main body(10) and having an air supply path(31) and an air exhaust path(32) for ventilation, which are connected to an inlet(11) and an outlet(12) of the main body respectively. A heat exchanger(34) is mounted in the ventilation case for carrying out heat exchange between the air of the air supply path and the air in the air exhaust path. The air supply path is connected to a suction duct(14) of the main body, and the air exhaust path is connected to a discharge duct(15) of the main body. The air supply/exhaust paths are mounted with opening/closing elements(43,44). The air in the air supply/exhaust paths moves by operation of blower fans(23a,23b) mounted in the main body.

Description

Duct type air conditioner {DUCT TYPE AIR CONDITIONER}

1 is a cross-sectional view showing an installation state of a duct type air conditioner according to the present invention.

FIG. 2 is a cross-sectional view taken along line AA ′ of FIG. 1, illustrating a state in which the first and second opening and closing devices are opened.

3 is a cross-sectional view taken along line AA ′ of FIG. 1, illustrating a state in which the first and second opening and closing devices are closed.

Explanation of symbols on the main parts of the drawings

10: body, 11: inlet,

12: outlet, 13: heat exchanger,

14: suction duct, 15: discharge duct,

20: blower, 30: ventilator,

31: ventilation air passage, 32: ventilation exhaust passage,

33: ventilation case, 34: heat exchanger,

43: first opening and closing device, 44: second opening and closing device.

The present invention relates to a duct type air conditioner, and more particularly, to a duct type air conditioner having an integrated ventilation device for ventilation of indoor air.

An example of a conventional duct type air conditioner is disclosed in Korean Patent Publication No. 10-529905. The air conditioner includes a cabinet fixed inside the ceiling of a building, a heat exchanger and a blower installed inside the cabinet. In addition, an intake duct for guiding air sucked through the inlet of the ceiling to the cabinet is installed at the inlet of the cabinet, and a discharge duct for guiding air discharged through the outlet of the cabinet to the outlet of the ceiling is installed at the outlet of the cabinet. When the air conditioner inside the cabinet operates, the air sucked through the ceiling inlet and the suction duct is heat-exchanged through the heat exchanger inside the cabinet, and then supplied to the indoor space through the discharge duct to harmonize the indoor air. Such an air conditioner performs only a function of conditioning indoor air without a ventilation function.

An example of a conventional ventilation device is disclosed in Korean Patent Publication No. 10-525750. The ventilator includes a case, an electric heat exchanger installed in the case for heat exchange between the air discharged from the indoors to the outdoor and the air introduced into the indoors, and blowing fans for supplying and discharging. Such a ventilator allows heat exchange between the air discharged from the inside and the air introduced from the outside when the blower fans operate to minimize the heat loss.

In a typical building, when air conditioning and ventilation are to be performed, a duct type air conditioner is installed on one side of the ceiling of the building, and a ventilation device is installed on the other side of the ceiling. This is to operate the air conditioner and the ventilation of the indoor space by operating the air conditioner and the ventilation device. Of course, the air conditioner and the ventilator can be operated separately.

In this case, however, the duct type air conditioner and the ventilation device must be separately installed in the building. Therefore, it is not only expensive to prepare the air conditioning system but also separates the air intake and exhaust ports of the air conditioner and the intake and exhaust ports of the ventilation device. There was a problem with the installation. In this case, both the duct type air conditioner and the ventilator had to be provided with a separate blower, so that each set had a large volume defect.

The present invention is to solve such a problem, it is an object of the present invention to provide a duct-type air conditioner to be able to perform a ventilation function and an air conditioning function by integrating a ventilation device.

Another object of the present invention is to enable the ventilation through the operation of the air conditioning blower fan not only to reduce the volume of the ventilation device, but also to simplify the configuration of the air conditioning set duct type air To provide a harmonic.

In order to achieve the above object, a duct type air conditioner according to the present invention has a suction port and a discharge port, and includes a main body having a blower and a heat exchanger. And a ventilation case connected to the discharge port of the main body and having a ventilation case coupled to the main body, and a total heat exchanger installed in the ventilation case to exchange heat between the air of the ventilation air supply passage and the air of the ventilation exhaust passage. It is characterized by including.

In another aspect, the present invention further comprises a suction duct connecting the suction inlet of the main body and the indoor suction port of the ceiling of the building, and a discharge duct connecting the discharge outlet of the main body and the indoor discharge port of the ceiling of the building.

In another aspect, the present invention is characterized in that the ventilation air supply passage is connected to the suction duct, the ventilation exhaust passage is connected to the discharge duct.

In addition, the ventilation air supply passage and the ventilation exhaust flow path is characterized in that the opening and closing device for opening and closing the flow path is provided respectively.

In addition, the air in the ventilation air supply passage and the ventilation exhaust passage is characterized in that the flow by the operation of the blower inside the main body.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1 and FIG. 2, the duct type air conditioner according to the present invention includes an inlet 11 and an outlet 12 and includes a box-shaped body 10 installed in the ceiling 100 of a building. The main body 10 is provided with a heat exchanger 13 for heat exchange of air passing through the main body 10 and a blower 20 for blowing air passing through the heat exchanger 13 toward the discharge port 12. .

As shown in FIG. 2, the blower 20 includes first and second motors 21 fixed to the main body 10 and rotating shafts 22a and 22b extending to both sides of the motor 21, respectively. And two blower fans 23a and 23b and first and second blower cases 24a and 24b installed outside the first and second blower fans 23a and 23b to guide the air toward the discharge port 12. .

As shown in FIG. 1, an intake duct 14 for guiding air sucked from the indoor intake port 110 of the building ceiling 100 to the intake port 11 of the main body 10 is illustrated in FIG. 1. ) Is connected, and the discharge duct 15 for guiding the discharged air to the indoor discharge port 120 of the building ceiling 100 is connected to the discharge port 12 of the main body 10. Therefore, when the blower 20 operates, the air sucked through the indoor suction port 110 of the ceiling 100 from the indoor space is the suction duct 14-heat exchanger 13-blower 20-discharge duct ( After passing through 15 in order, it is discharged into the room through the indoor discharge port 120 of the ceiling (100). At this time, the circulating indoor air becomes cold air or warm air while passing through the heat exchanger (13).

In addition, the duct type air conditioner of the present invention, as shown in Figure 2, includes a ventilation device 30 for the ventilation of the indoor air. The ventilation device 30 is integrally coupled to the side of the main body 10 and installed in the ventilation case 33 and the ventilation case 33 having a ventilation air supply passage 31 and a ventilation exhaust passage 32. Total heat exchanger (34, or sensible heat exchanger).

Ventilation case 33 is the main inlet 12 through the first inlet 36 connected to the outside air inlet duct 35, the first outlet 38 connected to the air exhaust duct 37, the first connection duct 39 And a second inlet 40 connected to the inside of the side discharge duct 15 and a second outlet 42 connected to the inside of the suction duct 14 toward the main body suction port 11 through the second connection duct 41. . In addition, the inside of the ventilation case 33 is partitioned so as not to mix the air sucked from the outside and the air discharged from the room.

Accordingly, the ventilation device 30 is ventilated by the inlet air duct 35, the first inlet 36, the suction side flow path 34a of the heat exchanger 34, the second outlet 42, and the second connection duct 41. And a first air supply passage 31, a first connection duct 39, a second inlet 40, an exhaust side flow path 34b of the total heat exchanger 34, a first outlet 38, and an air exhaust duct 37. Becomes the exhaust flow path 32 for ventilation.

In addition, a first opening and closing device for opening the flow path when the ventilator 30 is used and closing the flow path when the ventilator 30 is not used in the ventilation air supply passage 31 and the ventilation exhaust passage 32. 43 and the second opening and closing device 44 are provided, respectively. The first opening and closing device 43 and the second opening and closing device 44 are composed of a damper for opening and closing the flow path through rotation and a motor for driving the opening and closing device 43.

In the example of FIG. 2, the first and second opening and closing devices 43 and 44 are provided on the side adjacent to the suction duct 14 and the discharge duct 15, but the first and second opening and closing devices 43 and 44 are ventilated. The first inlet 36 and the first outlet 38 of the case 10 may be respectively provided, or may be provided at the second inlet 40 and the second outlet 42 of the ventilation case 33, respectively.

The air conditioner is such that the air is exhausted through the ventilation exhaust flow path 32 when the blower 20 inside the main body 10 operates, and the inflow of external air is made through the ventilation air supply flow path 31. It is. That is, without providing a separate blower in the ventilator (30), the exhaust of the indoor air is made and the inflow of outdoor air is made so that the indoor air can be ventilated. In addition, the ventilation air supply passage 31 and the ventilation exhaust passage 32 are connected to the suction duct 14 and the discharge duct 15, respectively, so that separate inlets and outlets for ventilation are not formed in the ceiling 100 of the building. It is possible to perform the ventilation of the indoor air without. Therefore, the present invention can reduce the volume of the ventilation device 30 than before, and can simplify the configuration of the air conditioning set installed in the ceiling.

The following describes the operation of such a duct type air conditioner.

When the blower 20 operates, indoor air is sucked through the indoor suction port 110.

The sucked air is supplied back to the indoor space through the suction duct 14-the heat exchanger 13-the blower 20-the discharge duct 15. At this time, the circulating air is cooled or warmed while passing through the heat exchanger 13 inside the main body 10 so as to harmonize the indoor air.

As described above, when the first opening / closing device 43 and the second opening / closing device 44 are opened as shown in FIG. 2, the ventilation operation is performed. That is, the outside air passes through the outside air duct 35, the first inlet 36, the suction side flow path 34a of the heat exchanger, the second outlet 42, and the second connection duct 41 in order. It is supplied to the inside of). Therefore, the air introduced from the outside is mixed with the circulating indoor air and supplied to the indoor space. Part of the air inside the discharge duct 15 is the first connection duct 39-the second inlet 40-the exhaust side flow path 34b of the heat exchanger 34-the first outlet 38-the air discharge duct 37 It is discharged to the outside via. This ventilation operation is performed by the operation of the blower 20. In addition, since the discharged air and the air sucked from the outside exchange heat with each other while passing through the heat exchanger 34, heat loss is minimized.

As shown in FIG. 3, when the first opening / closing device 43 and the second opening / closing device 44 close the ventilation exhaust passage 32 and the ventilation air supply passage 31 for ventilation, toward the ventilation apparatus 30. There is no flow of air. Therefore, only the air conditioning operation is performed without the ventilation operation.

As described in detail above, the duct type air conditioner according to the present invention has an effect that can be performed together with the ventilation function and the air conditioning function because the ventilation device is made in one piece.

In addition, since the present invention can be ventilated by the operation of the blower installed inside the main body, it is not necessary to provide a separate blower in the ventilator, thereby simplifying the configuration of the ventilator and reducing the volume.

In addition, the present invention does not need to form a separate inlet and outlet for ventilation in the ceiling of the building because the ventilation supply passage and the exhaust exhaust passage for ventilation are respectively connected to the air conditioning set installed on the ceiling There is an effect that can be simplified.

Claims (5)

In the duct type air conditioner including a main body having a suction port and a discharge port and a built-in blower and a heat exchanger, A ventilation air supply passage connected to the suction port side of the main body and a ventilation exhaust path connected to the discharge port side of the main body, and a ventilation case coupled to the main body, air of the ventilation air supply passage and air of the ventilation exhaust flow path Duct type air conditioner comprising a total heat exchanger installed in the ventilation case to heat exchange. The method of claim 1, And a discharge duct connecting the suction inlet of the main body and the indoor suction port of the building ceiling and the discharge duct connecting the discharge outlet of the main body and the indoor discharge port of the building ceiling. The method of claim 2, And the ventilation air supply passage is connected to the suction duct, and the ventilation exhaust passage is connected to the discharge duct. The method of claim 3, Duct type air conditioner, characterized in that the opening and closing device for opening and closing the flow path is provided in the ventilation air supply passage and the ventilation exhaust passage, respectively. The method of claim 1, The main body and the ventilation case in common use the blower, Air in the ventilation air supply passage and the ventilation exhaust passage flows by the operation of the blower, Duct type air conditioners.

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