KR20070105196A - Low noise air conditioning package and operating room air conditioning system - Google Patents

Abstract

The present invention relates to a low noise type air conditioning package and a low noise type operating room air conditioning system using the same to reduce the noise and to operate in a stable state.

The low noise type air conditioning package according to the present invention liquefied by forcibly cooling the refrigerant compressed by the outdoor unit heat exchanger consisting of a compressor connected to the compressor, the outdoor heat exchanger and the valve connected to the refrigerant pipe in the outdoor heat exchanger, and supplies the liquefied liquid refrigerant An air conditioner for cooling and heating, comprising: an indoor heat exchanger installed between an inner wall and an outer wall of the operating room, receiving an refrigerant supplied from the outdoor unit, and exchanging heat; and a humidifier for adjusting humidity in the air. An indoor unit having a flame retardant sound-absorbing heat insulating material disposed on an inner wall thereof; A blower wrapped by a friendly flame retardant sound-absorbing heat insulating material, and installed at one corner of a ceiling of the upper part of the indoor unit to blow air conditioned by the indoor unit; A silencer which blocks noise transmitted along the air blown by the blower; Sterilization filter for sterilizing bacteria contained in the air passing through the human body flame-proof sound-absorbing insulation; It is characterized in that it is provided between each of the constituent means, including a blower tube is installed on the inner wall of the flame retardant sound-absorbing insulation.

Description

A air conditioning packages and system of operating room airconditioning system

1 is a configuration diagram showing an example of a low noise air conditioning package according to the present invention,

Figure 2 is a plan view showing the structure of the operating room using a low noise air conditioning package according to the present invention,

Figure 3 is a block diagram showing an example of the multiplexed operating room air conditioning system using a low noise air conditioning package according to the present invention.

* Description of symbols on the main parts of the drawings *

11: inner wall 12: outer wall

20: indoor unit 21: indoor heat exchanger 22: expansion valve

23: humidifier 24: human body flame-proof sound-absorbing insulation

30: blower 31: human body flame-proof sound-absorbing insulation

40: silencer 50: sterilization filter

51: human body flame retardant sound insulation

60: ventilation pipe 61: human body flame-proof sound-absorbing insulation

100: outdoor unit 110: compressor 120: outdoor heat exchanger

130: switching valve

S1 ~ Sn: Air Conditioning Package

The present invention relates to an air conditioning system for constant temperature and humidity, and more particularly, to a low noise type air conditioning package and a low noise type operating room air conditioning system using the same to reduce the noise and to operate in a stable state.

In general, a cooling and heating air conditioning system (hereinafter, referred to as an “air conditioning system”) that selects between a cooling operation and a heating operation includes a compressor, an outdoor heat exchanger, an expansion valve, an indoor heat exchanger, a switching valve, and the like.

Such an air conditioning system generates noise from an outdoor heat exchanger as well as an indoor blower, and the noise serves as a noise source in a place requiring stability.

In the case of air conditioning systems installed in a stable place such as a hospital or a nursing home, much effort has been made to remove the noise.

In particular, it is important to minimize spaces in the house where extremely sensitive tasks such as a hospital operating room can be used to increase the concentration of doctors. An air conditioning system to reduce such noise is to install an air conditioning system away from the operating room. It installs and supplies the cooled or purified air to the operating room by using a blower pipe, etc. In such a system, the blowing is made by a forced blower with a blower provided in the air conditioning room.

However, the air conditioning system having such a blowing method has a problem that noise remains because the wind blown from the air conditioning room is not sufficiently transmitted to the operating room, and the blower is blown once again by installing a blower on the ceiling of the operating room.

The present invention is to solve the problems of the prior art as described above, the outdoor unit which is the largest noise source is installed on the outside, the indoor unit is installed in the corner between the outer wall and the inner wall, the blower ceiling as far as possible from the indoor space It aims to provide a quieter air-conditioning system by installing between the inner and outer walls of the corners and installing a silencer.

The object of the present invention as described above is to liquefy by cooling the refrigerant compressed by the compressor of the outdoor unit consisting of a compressor connected to the compressor and the outdoor heat exchanger and the refrigerant pipe in the outdoor heat exchanger, by receiving the liquefied liquid refrigerant In the air conditioning apparatus for heating, installed between the inner wall and the outer wall of the operating room, comprising an indoor heat exchanger for exchanging heat by receiving the refrigerant supplied from the outdoor unit, and a humidifier for adjusting the humidity in the air Indoor unit equipped with flame retardant sound-absorbing insulation for inner wall; A blower wrapped by a friendly flame retardant sound-absorbing heat insulating material, and installed at one corner of a ceiling of the upper part of the indoor unit to blow air conditioned by the indoor unit; A silencer which blocks noise transmitted along the air blown by the blower; A sterilizing filter which is covered with a human body flame-absorbing sound insulating material on the outside and supplies the harmonized air blown by the blower to the inside of the operating room while sterilizing bacteria contained in the air; It is made by a low-noise operating room air conditioning package, characterized in that it comprises a blower tube 60 is installed between each of the constituent means to act as a passage of air, and the human body flame-proof sound-absorbing insulation is installed on the inner wall.

In addition, an object of the present invention has a space consisting of a height of 3m, a width and a width of 6m each, installed in the operating room having a predetermined receiving space between the outer wall and the inner wall in the air conditioning system to control the heating and cooling and humidity, from the operating room It is installed by installing a plurality of low-noise operating room air conditioning package in an outdoor unit, which is installed in a remote air conditioner and includes a valve connected to a compressor, an outdoor heat exchanger, and a refrigerant pipe,

Each of the low-noise operating room air conditioner package is installed between the inner wall and the outer wall of the operating room, and comprises an indoor heat exchanger for exchanging heat by receiving the refrigerant supplied from the outdoor unit, and a humidifier for adjusting the humidity in the air; Indoor unit equipped with flame retardant sound-absorbing insulation for inner wall; A blower wrapped by a friendly flame retardant sound-absorbing heat insulating material, and installed at one corner of a ceiling of the upper part of the indoor unit to blow air conditioned by the indoor unit; A silencer which blocks noise transmitted along the air blown by the blower; A sterilizing filter which is covered with a human body flame-absorbing sound insulating material and supplies sterilized air blown by the blower to the inside of the operating room while sterilizing bacteria contained in the air; It is provided by the operating room air conditioning system using a low-noise air-conditioning package is installed between each of the constituent means and serves as a passage of air, and comprises a blower tube is installed on the inner wall of the flame retardant sound-absorbing insulation.

Hereinafter, an example of a low noise type air conditioning package and an operating room air conditioning system using the same will be described in detail with reference to the accompanying drawings.

The low noise air conditioning package according to the present invention is installed in the operating room, the operating room is composed of a double wall as shown in FIG.

The inner wall 11 of the operating room is the same as the structure of the operating room that is typically configured is formed as a space for accommodating the tools and the like for surgery.

A predetermined accommodating space is formed between the inner wall 11 and the outer wall, and in particular, an empty space remains in the accommodating space at the corner portion.

The low noise type air conditioning package according to the present invention includes an indoor unit 20 installed in a space of the corner portion, and a blower 30 and an air blower 30 for blowing air blown from the indoor unit 20 back into the operating room. And a silencer 40 for removing noise from the harmonized air blown by the air and a sterilization filter 50 for filtering bacteria in the blown air.

As shown in FIG. 1, the indoor unit 20 is installed outside the inner wall 11, that is, between the outer wall and the inner wall, and an indoor heat exchanger 21 for sucking or heating or cooling air in the operating room. And, the humidifier 23 is provided to control the humidity by supplying moisture to the heated or cooled air.

The indoor unit 20 generally has a structure similar to that of an indoor unit configured in an air conditioning unit, and is forced to cool in the outdoor unit 100 so that the indoor air is circulated by liquefied liquid refrigerant to cool the indoor temperature through heat exchange. Or an indoor heat exchanger 21 and an expansion valve 22 for heating or heating, the outdoor unit 100 includes a switching valve 130 connected to the compressor 110, an outdoor heat exchanger 120, and a refrigerant pipe. It is configured to include, by controlling the switching valve 130 to control the direction in which the refrigerant flows to cool or heat the room.

The refrigerant compressed in the compressor 110 constituting the outdoor unit 100 is condensed in the outdoor heat exchanger 120 and then transferred to the expansion valve 22 of the indoor unit 20, and expanded in the expansion valve 22. The refrigerant is heat-exchanged with the indoor air in the indoor heat exchanger 21, and the cold air heat-exchanged is discharged into the indoor space to cool the indoor space. At this time, the outdoor heat exchanger 120 acts as a condenser, and the indoor heat exchanger 21 functions as an evaporator to perform a cooling function of lowering the temperature of the room.

In addition, when the compressor 110 constituting the outdoor unit 100 is operated in the heating mode, the switching valve 130 controls the flow of the refrigerant as opposed to the above cooling mode operation. The indoor heat exchanger 21 operates as a condenser and the outdoor heat exchanger 120 operates as an evaporator.

Air heated or cooled by the heat exchange of the outdoor unit 100 and the indoor unit 20 as described above is blown by the blower 30 is introduced into the room.

In addition, the humidifier 23 provided in the indoor unit 20 is a water supply means for supplying water to the heat generating means or a separate heating means or using a conventional humidifying device having a conventional ultrasonic vibration element or the like. It is configured to provide moisture by evaporating the water supplied to the heating means.

Inside the case surrounding the indoor unit 20 as a means for preventing the noise generated when driving the indoor heat exchanger 21 or expansion valve 22 installed therein to be transmitted to the outside body-friendly flame-proof sound-absorbing insulation 24 is provided.

The flame retardant sound-absorbing insulation 24 is composed of vegetable fibers and the like harmless to the human body having a structure such as cotton having a number of pores, each side should be installed in contact with each other without any gaps. The human body flame retardant sound-absorbing heat insulating material is configured by stacking fine fibers in multiple layers to form pores between the fibers and the like to absorb the noise moving with the air. In addition, when using a synthetic material may be used polyethylene terephate (polyethyleneterephthate), it is preferable to produce a vegetable fiber as described above.

Technology related to the material of the parent-friendly flame-absorbing sound insulating material 24 is a known technique and a detailed description thereof will be omitted.

The air heated or cooled by the indoor unit 20 configured as described above and the humidity is maintained is blown by the blower 30.

The air blown by the blower 30 is based on a method of circulating the air in the room, and may be further provided with a separate air intake means, and if the air intake means is further installed, the outside air inhalation means is sucked into the pathogen in the outside air. There are more filters installed to filter.

The blower 30 may also be installed inside a predetermined case, and an inner body of the case in which the blower 30 is accommodated may be installed with a friendly body flame-absorbing sound absorbing heat insulating material 31 to block noise generated when the blower 30 is driven. It was. The air blown by the blower 30 was able to block the noise transmitted with the air by the silencer 40.

As shown in FIG. 1, the silencer 40 has a polyester sound absorbing material installed in a plurality of layers in a predetermined accommodation space to reduce noise as air passes between the sound absorbing materials.

As shown in FIG. 1, the silencer 40 forms a streamlined portion in which air flows in and a discharged portion so that the incoming air meets the streamlined end to absorb noise. In addition, as shown in FIG. 4, the silencer 40 is formed to bend the plate to have a smooth uneven surface, and the convex portions are opposed to the concave portions of the different ones so that the flow of air is made wavy. The noise reduction effect can be enhanced.

Harmonized air passing through the silencer 40 is supplied into the operating room with bacteria filtered by the sterilization filter 50.

The sterilization filter 50 uses an enzyme HEPA filter (Incinerable HEPA filter) that filters more than 99.97% of 0.3㎛ particles as a filter used for a clean environment, such as a bio-industrial site including a medical facility including a pharmaceutical and clean room.

The sterilization filter 50 is also installed on the outside of the human body flame retardant sound-absorbing insulation 51 to be able to absorb the noise supplied with the air flowing therein.

Each of the components configured as described above are connected to each other by a blower pipe (60).

As shown in FIG. 1, the blower tube 60 is formed by installing a human body flame-proof sound-absorbing heat insulating material 61 on the inner wall of the tube.

The low noise operating room air conditioning package configured as described above is installed in a plurality of operating rooms as shown in Figure 2 to form a single low noise operating room air conditioning system, each indoor unit 20 is connected to the outdoor unit to cool the air To be supplied.

In order to configure one low noise operating room air conditioning system, as shown in FIG. 2 and a plurality of low noise air conditioning packages S1 to Sn are used, the number of low noise air conditioning packages used is 3 m in height and width. Based on the operating room consisting of a width of 6m each of the four low-noise air conditioning package (S1 ~ S4) is installed.

The operating room air conditioning system was configured using four low noise air conditioning packages, and noise was measured while all four low noise air conditioning packages were driven.Then, when the driving speed of the blower was lowered, it was 39 dB, and the medium speed was 41 dB. At high speeds, 44dB was obtained, and the operating temperature and humidity of the operating room maintained the temperature and humidity that the operating room would normally have.

The low noise operating room air conditioning system configured as described above may be used by connecting a plurality of indoor units 20 to an outdoor unit of an air conditioning room separately provided as described above, and a plurality of indoor units provided in one low noise operating room air conditioning system at the same time. Alternatively, the driving may be controlled separately, and the indoor units provided in each operating room may be configured to control the driving separately for each operating room.

The air conditioning system of the operating room consisting of a low-noise air conditioning package configured as described above can be operated in a more stable state as well as maintaining a stable state of the patient as well as air conditioning and noise reduction.

Claims (4)

The refrigerant compressed by the compressor of the outdoor unit 100, which is composed of the compressor 110, the outdoor heat exchanger 120, and the switching valve 130 connected to the refrigerant pipe, is liquefied by forced cooling in the outdoor heat exchanger 120. In the air conditioner for cooling and heating by receiving a liquefied liquid refrigerant, An indoor heat exchanger 21 installed between the inner wall 11 and the outer wall 12 of the operating room, receiving a refrigerant supplied from the outdoor unit 100 to exchange heat, and a humidifier for controlling humidity in the air ( 23) an indoor unit (20) comprising a flame retardant sound-absorbing heat insulating material (24) installed on the inner wall; A blower (30) wrapped by a friendly flame retardant sound-absorbing heat insulating material (31) and installed at one corner of the ceiling of the upper part of the indoor unit (20) to blow air conditioned by the indoor unit (20); A silencer 40 for blocking noise transmitted along the air blown by the blower 30; A sterilizing filter (50) which is covered with a human body flame-proof sound-absorbing heat insulating material (51), and supplies harmonized air blown by the blower (30) to the inside of the operating room while sterilizing bacteria contained in the air; A low noise operating room air conditioning package, characterized in that it is installed between each of the constituent means to act as a passage of the air, and comprises a blower tube (60) is installed on the inner wall flame retardant sound-absorbing insulation (61). The method of claim 1, wherein the flame retardant sound-absorbing insulation of the human body is low noise operating room air conditioning package, characterized in that made of polyethyleneterephthate (polyethyleneterephthate). The low-noise operating room air conditioning package according to claim 1, wherein the silencer (40) is configured by stacking a plurality of plates in a wavy form so as to increase a noise reduction effect. In the air conditioning system having a space consisting of 3m in height and 6m in width and width, respectively, installed in the operating room having a predetermined accommodation space between the outer wall and the inner wall, to control the heating and cooling and humidity, It is installed in the air conditioning room far from the operating room, is configured by installing a plurality of low-noise operating room air conditioning packages (S1 ~ Sn) in the outdoor unit 100, including a valve connected to the compressor, the outdoor heat exchanger and the refrigerant pipe, The low-noise operating room air conditioning package (S1 ~ Sn) is installed between the inner wall 11 and the outer wall 12 of the operating room, the indoor heat exchanger 21 for receiving heat supplied from the outdoor unit 100 to exchange heat And an indoor unit 20 including a humidifier 23 for controlling humidity in the air, and having a human body flame-proof sound-absorbing heat insulating material 21 installed on an inner wall thereof; A blower (30) wrapped by a friendly flame retardant sound-absorbing heat insulating material (31) and installed at one corner of the ceiling of the upper part of the indoor unit (20) to blow air conditioned by the indoor unit (20); A silencer 40 for blocking noise transmitted along the air blown by the blower 30; A sterilizing filter (50) which is covered with a human body flame-proof sound-absorbing heat insulating material (51), and supplies harmonized air blown by the blower (30) to the inside of the operating room while sterilizing bacteria contained in the air; Operating room air conditioning system using a low-noise air-conditioning package is installed between each of the constituent means and serves as a passage of air, and comprises a blower tube (60) is installed on the inner wall flame retardant sound-absorbing insulation (61).

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