JP2546185B2 - Ultra low noise air conditioner - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention suppresses the outflow of noise into a room and, at the same time, causes the noise generated in the room to come into contact with the noise flowing out, and the contact action of both noises is achieved. The present invention relates to an ultra-low noise type air conditioner that can reduce the noise that flows into a room by using it to easily obtain a very quiet air conditioner in the room.

[0002]

2. Description of the Related Art Generally, various air conditioners have been developed as a means for feeding cold / warm air into a room. However, these air conditioners generate a noise noise at the same time as the feeding of cold / warm air. Simultaneously with the blowing out of the cold and warm air, it flows out into the room. Especially in music halls, hospitals, etc., the outflow of such noise is a problem.Therefore, it is an issue to prevent the noise from flowing out by providing some noise reduction mechanism in the air passage near the outlet for the cold and warm air. It had been done. However, as described above, even if a considerably complicated sound deadening mechanism device is installed in the air passage, it is possible to completely eliminate the outflow of noise from the mechanical parts such as the air blower inside the air blower and the return air blower that can be opened indoors. It is absolutely impossible to surely prevent it, but on the other hand, suppression of noise generated inside the room is completely ignored, and such noise is emitted to the outside of the machine along with exhaust air. It is inevitable that it causes noise pollution.

[0003]

In view of such a problem, the inventor of the present invention has been able to produce the above-mentioned outflowing noise by colliding with or intermixing other noises with the noises flowing out into the room together with the blown air. Focusing on significantly reducing the number,
As a result of the research, the noise that flows out from the indoor side, which had been abandoned in the past, was used to completely prevent the noise from flowing out into the room, and there is a concern that noise may flow out both inside and outside the room. The aim is to provide a wide range of extremely quiet ultra-low noise air conditioners.

[0004]

SUMMARY OF THE INVENTION The present invention was developed in order to achieve the above object, and is an airframe 1
Blower passages A and B are formed in the upper and lower portions of the inside of the chamber so as to cross each other, and the blower passage A is connected to the outside air inlet port 2 and the indoor air outlet port 4.
In addition, the one-side blower passage B is connected to the exhaust port 3 for opening the outside of the machine and the return air port 5 for indoor air, respectively, and the cooler, hot-water coil 6, humidifier 7, and outside air blower are provided in the blower-side blower passage A. 8 and the return air blower 1 in the other return air side air passage B
1, and a total heat exchanger 12 is installed between the air passages A and B on the side of the outside air inlet 2 and the side of the exhaust port 3. Further, the upper and lower blower passages A and B communicating with the blower port 4 and the return air port 5 are further detoured to the left and right and up and down, and the muffling blower passages A and B are formed in the casing in a left-right and up-down cross shape, and the silenced blower is provided. A silencer chamber C, which is provided with appropriate silencer mechanisms 13 and 14 in the passages A and B, is integrally connected to one side of the machine body 1.

[0005]

Next, the operation of the mechanism described above will be explained. By driving the outside air blower 8 and the return air blower 11 installed in the machine, the fresh outside air is introduced into the outside air introduction port 2
The air flowing through the air passage A is cooled, and the hot water coil 6 supplies cold / warm air of a suitable temperature to the room through the one air outlet 4 to supply cool / warm air of a predetermined temperature.
The air is exhausted to the outside from the exhaust port 3 on the outdoor side through the ventilation passage B. With the above operation, fresh outside air and cold / warm air can be taken into the room easily and surely, and at the same time, contaminated air in the room can be discharged to the outside. Further, all of the exhaust air to the outside of the machine passes through the total heat exchanger 12 and flows out to the outside, but during that time, a part of the heat quantity is recovered by the action of the total heat exchanger 12 as the outside air that receives one of them at the same time. Therefore, it is possible to use heat effectively and economically. In particular, in the present invention, cross-shaped ventilation passages A and B are formed in the silencing chamber C, and the noise of noise flowing out from the ventilation port 4 and the noise in the air recirculating from the return air port 5 in the cross ventilation passage. It is possible to remarkably reduce the noise caused by the noise that comes into contact with the vibration and flows out into the room.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will now be described with reference to the drawings, in which 1 is an airframe, and one is provided with an outside air inlet 2 and an exhaust outlet 3,
On the other hand, a blower port 4 and a return air port 5 are provided respectively, and the inside of the machine is divided into upper and lower parts, and the outside air introduction port 2 and the blower port 4 are crossed up and down with the exhaust port 3 and the return air port 5 respectively. The air passages A and B are connected to each other, and the air passage A is provided with a cooling coil 6, a hot water coil 6, a humidifier 7, an outside air blower 8 and a required number of filter mechanisms 10, and a return air blow passage B. Each return air blower 11 is arranged inside, and a total heat exchanger 12 is installed between the air passages A and B on the side of the outside air inlet 2 and the outlet 3. Further, the muffling chamber C is provided with a blower opening 4 and a return air opening 5 in parallel at the upper part of the machine casing, and is connected to and communicates with the blower passages A and B formed in the body 1 above and below the inside of the machine casing to mute the blower passage. A, B
3, the ventilation passages A and B are crossed vertically and horizontally as shown in FIG. 3, and appropriate silencing mechanisms 13 and 14 are installed in the ventilation passages A and B, respectively. The muffling chamber C is integrally connected to the side portion of the body 1.

Further, a total heat exchanger 1 is provided between the air passages A and B.
2 is installed and an outside air bypass damper a for introducing outside air and an air passage opening / closing damper b are installed in one air passage A.
In the ventilation passage B, an opening / closing damper c for the ventilation passage and a damper for switching the ventilation passages such as an exhaust bypass damper d are respectively arranged, and further, a return air damper e is provided between the upper and lower ventilation passages A and B. The present invention aims to effectively use the retained heat quantity by sending the whole or part of the return air to the room together with the introduction of the outside air without discarding the return air that is recirculated from the room by opening / closing the damper e. Is.

In the present invention, the air blower port 4 and the return air port 5 are provided in parallel on one side of the machine body 1, and both the outside air introducing air passage A and the exhaust air passage B are provided inside the machine.
B is formed in a cross shape in the up, down, left and right directions, and muffling mechanisms 13 and 14 having appropriate shapes are installed in the air blowing passages A and B on both sides to form a muffling chamber C. It is also considered that the side portion of the body 1 can be detachably connected.

[0009]

As described above, according to the present invention, the air blow port 4 and the return air port 5 are provided in parallel on one side of the machine body 1 so as to be connected to and communicate with the openings, and the air blow passages A and B are detoured in a cross shape vertically and horizontally. And the sound deadening mechanism 13 is formed in each of the air passages A and B on both sides.
The sound absorbing chamber C in which 14 is installed is integrally connected, and the noise generated inside the machine and the noise generated in the room air on the return air side are naturally brought into contact with each other at the cross portion, and both noises are generated. By using the contact action of vibration noise, it tries to reduce the noise caused by air flow and to obtain a quiet environment in the room.

Further, a total heat exchanger 12 is provided between the upper and lower air passages A and B formed in the airframe 1, and a large number of airflow switching dampers such as a return air damper e are provided in the air passages A and B. The heat quantity in the waste air is extremely economical by recirculating all or part of the exhaust air flowing through the exhaust air passage B to the indoor side again by the switching action of the respective air flow switching dampers and sending it. It also has the advantage that it can be used effectively.

According to a third aspect of the present invention, the sound deadening chamber C provided with the sound deadening mechanisms 13 and 14 in the air passages A and B is detachably connected to one of the airframes 1 having the above structure. It is a convenient invention that various works such as installation as well as transportation are easy and that it can be connected to other mechanisms as a sound deadening chamber at high speed.

[Brief description of drawings]

FIG. 1 is a schematic front view of the internal structure of an air conditioner according to the present invention,

2 is a side view of the muffling chamber, FIG.

FIG. 3 is an enlarged view of a main part of the silencing chamber.

[Explanation of symbols]

 4 Blower port (inside the room) 5 Return air port (same as above) A Blower side ventilation passage B B Return air side ventilation passage C Muffler chamber

Claims (3)

(57) [Claims] 1. An outside air introduction port 2 and an exhaust port 3 on one side of the machine body 1.
On the other hand, one side is provided with a blower port 4 and a return air port 5, and the machine body 1 is divided into upper and lower parts to connect the outside air introduction port 2 and the blower port 4 to each other.
The exhaust port 3 and the return air port 5 are connected to each other through the air passages A and B that cross each other in a vertical cross shape, and the cold, hot water coil 6, the humidifier 7, and the outside air blower 8 are connected to the air passage A. A floor-standing air conditioner in which return air blowers 11 are arranged in the return air blow passage B, and a total heat exchanger 12 is installed between the blow passages A and B on the outside air introduction port 2 and the exhaust port 3 sides. In the machine, one side part of the machine body 1 is provided with a blower opening 4 and a return air opening 5 in parallel facing the indoor side, and the upper and lower blower passages A and B, which are in communication with the openings, are appropriately shaped. The muffler chambers C in which the muffling mechanisms 13 and 14 are arranged are integrally connected to each other, and the air passages A and B are formed in the sound muffler chamber C in a cross shape in the vertical and horizontal directions, and discharged at the cross portions. In the air that recirculates the noise generated in the aircraft that flows out with the air into the aircraft from one of the return air ports 5. And 騒振 sound into contact with each other, ultra-low noise type air conditioner and its features to the I tighten carried sound reduction of 騒振 sound flowing out into the room from blower opening 4 by utilizing the contact action. 2. The air conditioner according to claim 1, wherein the total heat exchanger 12 is installed between the air passages A and B, and the outside air bypass damper a and the air passage opening / closing are provided in the upper and lower air passages A and B, respectively. A damper b, an opening / closing damper c, and an exhaust bypass damper d are provided for arranging the respective ventilation passage switching dampers. Further, the whole or part of the return air from the room is introduced between the upper and lower air passages A and B to the outside air. An ultra-low noise type air conditioner equipped with a return air damper e to be sent to the room again. 3. The air conditioner according to claim 1, wherein a blower port 4 and a return air port 5 are provided respectively, and both the blower passages A and B of an outside air introduction blower passage A and an exhaust blower passage B are vertically moved inside the machine. The air passages A and B on both sides are formed in a cross shape.
An ultra-low noise type air conditioner air-conditioning system characterized in that a muffling chamber C having appropriately shaped muffling mechanisms 13 and 14 installed therein is configured to be detachably connectable to the air conditioner main body if necessary. Harmony machine.