JPH0432635A - System type terminal air conditioner - Google Patents

Abstract

PURPOSE:To make a compact system type terminal air conditioner by a method wherein an air circulating mechanism, an air discharging mechanism disposed in a U-shaped air passage and a bypassing air blowing passage are integrally assembled and disposed in a side-by-side relation within an L-shaped air blowing passage and inside a dead space. CONSTITUTION:An air supplying air blower 7 is mounted in the deepest part in an L-shaped air blowing passage A. A distance between the air blower and an air supplying port 2 is elongated, and then a noisy flowing sound is prevented. Each f an air returning filter 14, an air discharging air blower 15, an electric motor 16, a full-heat exchanger 17 and dust removing filter 18 and the like is disposed in an inner spacing X inside the L-shaped air blowing passage A. In addition, an air returning and discharging air conditioner having a U-shaped air blowing passage B with a surrounding air inlet port 3 and an air discharging port 4. A bypassing air blowing passage C is formed between the L-shaped air blowing passage A and the U-shaped air blowing passage B. Each of an air supplying damper (a), an air returning damper (b) and an air discharging damper (c) is disposed among the air blowing passages A, B and C in such a way as they may be freely changed over.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention provides a single unit that performs all air conditioning processing such as supply of cooling and heating air, return air, and exhaust air for rooms that require low noise, such as hills, hospitals, and research institutes. This invention relates to a system-based terminal air conditioner that is fully automatically operated by the equipment, completely eliminates the noise generated during conventional air conditioning, and allows the entire airframe to be made significantly smaller.

(Prior Art) Conventionally, when air conditioning is supplied to a large number of indoor rooms such as hills, so-called so-called
A supply/return air conditioning system is used, but distributing the various mechanisms for each of these functions not only takes time and effort for installation, but also limits the installation space. The noise generated by each of the above mechanisms competes with each other, and this creates noise inside the room, making it extremely difficult to expect a quiet environment. Low-noise air conditioning is especially necessary in hospitals, research institutes, etc. (Problem M to be solved by the present invention) In view of the above-mentioned conventional problems, the present invention has a structure in which mechanisms for air supply, return air, exhaust, etc., which were configured for each person, are integrated into one, and The purpose is to make the most effective use of the space inside the L-shaped air passage in which the above-mentioned mechanical devices are arranged in an L-shape inside the aircraft, and the return air and exhaust mechanisms are housed in a U-shape within the space. As a result of this arrangement, the overall shape is extremely compact, making it easy to install in any narrow space indoors or outdoors, and the L-shaped and U-shaped internal and external ventilation passages inside the aircraft are long. This aims to provide a low-noise air conditioner that naturally eliminates the noise and noise flowing out from the air intake and exhaust ports, making it extremely easy to obtain quiet air conditioning distribution in the room at all times. be.

Furthermore, the amount of ventilation can be easily changed by adjusting the operation of the dampers for switching supply air, return air, and exhaust air that are arranged between each ventilation passage, and thereby the cooling and heating capacity can be controlled finely and freely. is also aimed at.

(Means for Solving the Problems) As a means for achieving the above object, the present invention omit various mechanisms such as a blower, an electric motor, a heat exchange coil such as a cold/hot water coil, a silencing mechanism, a filter, etc. inside the fuselage, and the present invention is arranged in a shape that is The membrane is arranged in the inner space of the dead space that communicates with the indoor air supply opening to form an air supply side air passage, and the mechanism such as the total heat exchanger, return air blower, electric motor, filter, etc. is omitted. U-shaped air blowing passages on the return/exhaust side arranged in parallel are provided, and a bypass passage is formed between the air supply side air passage and the U-shaped air blowing passage on the return/exhaust side, and air supply, It is characterized by a configuration in which return air and exhaust switching dampers are provided so that each air passage can be switched and adjusted freely. By installing the fan at the innermost part of the air supply side type air passage, the distance between the air supply blower and the air supply port is long, and the noise and vibrations flowing out from the air supply port are naturally reduced. It also has the function of suppressing

(Function) Install the aircraft at a specified location indoors or outdoors, and connect the upper
Connect ducts to each area, such as exhaust ports, and open them to the necessary locations indoors and outdoors.

In such a state, when the supply air blower (7) is operated to open the return air damper (b) and close the other dampers (a) and (c), the indoor return air opening (5)...each of the following For the reference numbers, please refer to the examples in the next section...The air introduced into the cabin is cooled, heat is exchanged to an appropriate temperature in the hot water coils (9) and (10), and an appropriate humidity is applied before the air is introduced into the air supply port. (2) Cooling and heating air is supplied to each room through the duct.

In addition, if fresh outside air is required when supplying cold and hot air to the room, the supply air damper (2L) is opened to allow part or all of the outside air to be returned from the room through the outside air intake port (3). Easily taken in with air and delivered into the room.

In addition, when the return air damper (b) is closed and the exhaust damper (C) is opened, indoor contaminated air is discharged outdoors from the exhaust port (4), but in the meantime, the total heat exchanger (17
) to effectively utilize exhaust heat.

(Embodiment) Below, a detailed explanation will be given with reference to drawings illustrating the mode of implementation of the present invention and its operation. ) Each intake and exhaust port of the return air port (5) is opened, and the air supply port (2) and the return air port (5) are communicated with each other by an L-shaped air passage A formed by a partition plate (6). Air supply blower (7) electric motor (8) cold water coil (9) hot water coil (
lO) Necessary mechanical devices such as a humidifier (11), a muffler (12), an air supply side filter (3), etc. are arranged appropriately in a roughly 7-shaped configuration.

Furthermore, by installing the air supply blower (7) at the innermost part of the L-shaped air blowing path A, the distance between the air supply ports (2) is increased, thereby preventing the outflow of noise and noise.

In addition, inside the inner space X of the L-shaped air passage A, there is a return air filter (14), an exhaust blower (15), and an electric motor (
6) Install the total heat exchanger (17), dust removal filter (18), and other mechanisms, as well as the outside air intake (3) and exhaust port (4).
A return/exhaust air conditioning mechanism formed by a U-shaped air passage B is integrally installed.

Furthermore, a bypass air passage C is formed between the above-mentioned air passages A and U-shaped air passage B, and these air passages A, B,
A supply air damper (a), a return air damper (b), and an exhaust damper (C) are arranged between C and C so that they can be switched and adjusted freely.

Although the mechanical explanation of each damper is omitted above, it is necessary to check the electric or manual opening/closing mechanism, the amount of air flowing in the ventilation duct, the temperature level, and the connection with the reception center that can be installed indoors. It is also possible to automatically control and adjust the amount of air blown into the room according to the heating and cooling capacity.

In addition, other control equipment (
19), a power panel (20), and various necessary mechanisms such as a valve mechanism are arranged respectively.

In addition, if a more effective noise reduction effect is desired in the above configuration, intake and exhaust ports such as return air ports, exhaust ports, and air intake ports should be opened at appropriate locations such as the top, front and rear surfaces of the machine case, and ventilation inside the machine case should be provided. It goes without saying that an ultra-low-noise air conditioner can be obtained very easily by integrally connecting a silencing chamber (21,) having a silencing mechanism (not shown) in the airway to the upper part of the aircraft body.

(Effects of the Invention) As described above, the present invention provides an I7 type air blower on the air sending side in which various mechanisms such as a blower, an electric motor, a control mechanism, a cold/hot water coil, a muffler, and a filter are arranged in a series in a mold shape. A total heat exchanger, exhaust blower,
Since the mechanism such as the electric motor is arranged in the U-shaped air passage B, the return and exhaust mechanism, and the bypass air passage C are integrated and installed together, so the overall shape is extremely compact.
It requires less installation space, is easy to operate, and is economical, thereby eliminating the complexity of having to use various mechanical devices for each person at once.

Furthermore, by adjusting the opening and closing of the ventilation switching damper between each ventilation path, it is possible to easily obtain and obtain any desired air conditioning condition, especially since the heating and cooling capacity of these systems can be adjusted extremely finely with simple operations. is also significant.

Furthermore, by installing the supply air blower at the innermost part of the I7 type air passage A as described in claim 2, the entire aircraft can be installed more stably, and the main source of noise generation, which has been a concern in the past, can be solved. The noise flowing out from the blower is naturally reduced and eliminated by the long path shape of the L-shaped air passage A and the various mechanical devices installed in the air passage, and a more effective noise reduction effect can be expected.

Furthermore, by connecting the silencing chamber according to claim 1 to the upper part of the main body, more effective silencing air conditioning can be obtained, which is an extremely convenient invention.

[Brief explanation of drawings]

The drawing is a front view schematically showing the internal mechanism of the system type terminal air conditioner according to the present invention. A-L type ventilation duct B-U type ventilation duct C-bybus ventilation duct

Claims (3)

[Claims] (1) All heat is generated within the space inside the L-shaped air passage on the air supply side, where mechanisms such as a blower, electric motor, heat exchange coil, muffler, filter, etc. are arranged in a series in a roughly L-shape inside the aircraft. A U-shaped air passage on the return/exhaust side is provided, in which mechanisms such as an exchanger, a return air blower, an electric motor, a filter, etc. are arranged in a substantially U-shape. A system type terminal air conditioner characterized in that a bypass passage is formed between the air blowing passages, and dampers for supply air, return air, and exhaust air are provided between these passages so that each passage can be switched and opened and closed. (2) The system type terminal air conditioner according to claim 1, wherein the air supply blower is installed at the innermost part of the L-shaped air passage on the air supply side in the air conditioner. (3) A system-type terminal air conditioner, which is formed by integrally connecting a silencing chamber with a silencing mechanism provided in an internal ventilation path to the upper part of the air conditioner main body.