JP2007271253A - Air conditioner - Google Patents

Abstract

The present invention provides an air conditioner that can be unitized for each functional component and that one air conditioner can be configured by a combination of units.
A housing 3 in which an air inlet 1 and an air outlet 2 are formed, a cooling coil 4 and a refrigerator 7 disposed in the air inlet 1, and a downstream side of the cooling coil 4. In the air conditioner provided with the electric heater 5 and the blower 6 that discharges the air in the housing 3 from the air discharge port 2, the individual functional components 4, 5, 6, 7 are provided in independent housings 31, 32, Units A, B, and C arranged in the unit 33 are combined into units A, B, and C, and a control unit D that comprehensively controls each functional component 4, 5, 6, and 7. Assemble one air conditioner.
[Selection] Figure 1

Description

  The present invention relates to an air conditioner, and more particularly, to an air conditioner that can be unitized for each functional component and that one air conditioner can be configured by a combination of units.

  Conventionally, as shown in FIG. 6, for example, an air conditioner includes a housing 3 in which an air inlet 1 and an air outlet 2 are formed, a cooling coil 4 disposed in the air inlet 1, and a cooling coil. 4, an electric heater 5 disposed on the downstream side of the air blower 4, a blower 6 that discharges air in the housing 3 from the air discharge port 2, and a temperature sensor (not shown) disposed in the air discharge port 2. The outside air taken in while being cooled by the cooling coil 4 from the air suction port 1 is precisely adjusted to the set temperature by the electric heater 5 disposed on the downstream side, and is discharged from the air discharge port 2.

By the way, in such an air conditioner, for example, when the air volume is doubled, the cooling coil 4, the refrigerator 7, and the electric heater 5 are changed to double the capacity as shown by the dotted line in FIG. 6. .
In other words, in the conventional air conditioner described above, all devices such as a cooling coil, electric heater, and blower are installed in a single housing. Correspondence requires a change in the structure of the main body and redesign, resulting in a new product, not suitable for high-mix low-volume production, leading to increased costs and difficulty in meeting short delivery times.

  An object of the present invention is to provide an air conditioner that can be unitized for each functional component and can constitute one air conditioner by combining each unit in view of the problems of the conventional air conditioner. To do.

  In order to achieve the above object, an air conditioner according to the present invention includes a housing in which an air inlet and an air outlet are formed, a cooling coil and a refrigerator disposed in the air inlet, and a downstream side of the cooling coil. In the air conditioner provided with the electric heater arranged in the fan and the blower for discharging the air in the housing from the air outlet, the functional parts are unitized as a unit arranged and arranged in the independent housing, One unit of the air conditioner is assembled by combining each unit and a control unit that comprehensively controls each functional component.

  In this case, the frame members of the casings constituting each unit are joined to each other by fixing them using bolts and nuts to a common frame member arranged so as to span between adjacent units. can do.

  According to the air conditioner of the present invention, the casing in which the air inlet and the air outlet are formed, the cooling coil and the refrigerator disposed in the air inlet, and the downstream of the cooling coil. In an air conditioner provided with an electric heater and a blower that discharges air in the housing from an air discharge port, the functional parts are unitized as a unit arranged in an independent housing, and each unit, Since a single air conditioner is assembled in combination with a control unit that controls each functional component in an integrated manner, specification changes and design changes such as increasing the required airflow can be made for each unit. It is easy to organize and produce a variety of products in small quantities, and can reduce the cost. Also, because it can be manufactured for each unit, it is possible to shorten the delivery time by simultaneous parallel work. One can also become possible.

  In addition, the frame members of the casing constituting each unit are fixed to a common frame member arranged so as to span between adjacent units by using bolts and nuts, so that the units are joined to each other. Thus, the air conditioner can be easily assembled and disassembled.

  Embodiments of an air conditioner according to the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of the air conditioner of the present invention.
This air conditioner is arranged on the downstream side of the cooling coil 4, the housing 3 in which the air inlet 1 and the air outlet 2 are formed, the cooling coil 4 and the refrigerator 7 disposed in the air inlet 1. An electric heater 5 provided and a blower 6 for discharging the air in the housing 3 from the air discharge port 2 are provided.
The air conditioner is a unit A in which the cooling coil 4 and the refrigerator 7, the electric heater 5, and the blower 6, which are functional components, are arranged in independent housings 31, 32, and 33. , B and C are unitized, and each unit A, B and C is combined with a control unit D for comprehensively controlling each functional component 4, 5, 6, 7 to assemble one air conditioner. Is.

The lower casing 31 constituting the refrigerator unit A forms the air inlet 1 and has the cooling coil 4 and the refrigerator 7 disposed therein.
Here, the refrigerator 7 cools the air introduced from the air inlet 1 by circulatingly supplying the coolant to the cooling coil 4.

The intermediate housing 32 constituting the blower unit B is communicated with the lower housing 31 and has the blower 6 disposed therein.
The blower 6 supplies the outside air cooled by the cooling coil 4 of the lower refrigerator unit A to the upper heater unit C.
The air volume of the air conditioner can be set in a plurality of stages by manually switching the output of the blower 6.

The upper housing 33 constituting the heater unit C communicates with the intermediate housing 32, forms the air discharge port 2, and has the electric heater 5 disposed therein.
The electric heater 5 finally controls the temperature of the air blown from the blower 6 and precisely controls the temperature of the air discharged from the air discharge port 2 toward a clean booth or the like (not shown).
A temperature sensor (not shown) is installed on the downstream side of the electric heater 5, and the outputs of the cooling coil 4 and the electric heater 5 are controlled based on the temperature of air detected by the temperature sensor and the set temperature. .

  The control unit D controls the functional parts of the refrigerator unit A, the blower unit B, and the heater unit C, that is, the cooling coil 4, the electric heater 5, the blower 6, and the refrigerator 7 in an integrated manner. Then, it is arranged beside the intermediate housing 32.

As described above, the air conditioner of the present embodiment includes functional parts required for the air conditioner, that is, the cooling coil 4, the electric heater 5, the blower 6, and the refrigerator 7, which are grouped for each function and are independent. Control unitized as units A, B, and C arranged in the bodies 31, 32, and 33, and controls the units A, B, and C and the functional parts 4, 5, 6, and 7 in an integrated manner One unit of the air conditioner is assembled by combining with the unit D.
For example, three types of refrigerator units A, two types of fan units B, heater units C, and control units D are prepared in advance, and by combining these four units, a total of 24 types of air conditioners can be obtained. Standard production is possible.
Further, since each unit can be manufactured, the manufacturing can proceed at the same time and it is possible to cope with a short delivery time. It is also possible to have an inventory for each unit.

  The air conditioner of the present embodiment includes a housing 3 in which an air inlet 1 and an air outlet 2 are formed, a cooling coil 4 and a refrigerator 7 disposed in the air inlet 1, and a downstream of the cooling coil 4. In an air conditioner provided with an electric heater 5 disposed on the side and a blower 6 for discharging the air in the housing 3 from the air outlet 2, each functional component 4, 5, 6, 7 is an independent housing A control unit that is unitized as units A, B, and C arranged in 31, 32, and 33 and controls each unit A, B, and C and each functional component 4, 5, 6, and 7 Since a single air conditioner is assembled in combination with D, specification changes and design changes such as increasing the required airflow can be made for each unit, making it easier to organize models and produce a variety of products in small quantities. Cost reduction, and can be manufactured for each unit. , It is possible to shorten delivery times due to parallel work of simultaneous progress, further, it also becomes possible to have a stock for each unit.

Further, as shown in FIGS. 2 to 3, the casings that constitute each unit of the air conditioner, for example, the lower casing 31 and the intermediate casing 32 are provided with frame members 81 a and 82 a that form the respective casings. The bolts and nuts 9 are used to join the common frame member 83 arranged so as to span the lower casing 31 and the intermediate casing 32 so as to be joined.
Thereby, assembly and disassembly of an air conditioner can be performed easily.
In this case, by forming bolt insertion holes in advance at predetermined positions of the frame members 81a and 82a, joining and positioning when joining the units can be easily performed.

Further, in this air conditioner, among the frame members forming the respective housings, the frame members 81b and 82b that are not adjacent to other units are provided with the frame member 84 for the outer edge formed with a curved surface (R) on the outer edge side. The bolts and nuts 9 are fixed directly or via an auxiliary member 85 such as L-shaped steel.
Thereby, the angular part of an air conditioner can be eliminated and safety and design can be improved.

  In this case, extrusion molding members, such as aluminum, can be used suitably for frame members 81a, 81b, 82a, 82b, 83, and 84.

In this air conditioner, the control unit D controls the functional parts of the refrigerator unit A, the fan unit B, and the heater unit C, that is, the cooling coil 4, the electric heater 5, the fan 6, and the refrigerator 7. An electric wire W for control can be wired through an electric wire insertion hole Hw formed in a partition plate (a plate member of a casing constituting each unit) that partitions adjacent units.
In this case, the wiring work of the electric wires W is performed on the side plates of the casings constituting the units that can be opened and closed by metal fittings such as screws, for example, the side plates 31a, 32a, and 32b of the casings 31 and 32 (FIG. 2A). You can do this by opening
Contrary to the above description, the electric wires W for connecting the functional parts of each unit and the control unit D are extended from the units to reach the control unit D, and each unit is recombined. The electric wire W extended from the unit side and the control unit D may be connected. By doing so, the wiring work at the time of unit recombination can be easily performed.

Further, in this air conditioner, vents are provided on the bottom plate (also used as the top plate of the housing 31) side of the housing 32 and the top plate (also used as the bottom plate of the housing 33) side of the housing 32. Ha and Hb are formed.
Among these, the vent hole Ha formed on the bottom plate side of the casing 32 of the blower unit B includes an annular protrusion 32c formed on the bottom plate of the casing 32 of the blower unit B, and a refrigerator as shown in FIG. The vent 31b formed in the casing 31 of the unit A is connected by fitting through the packing 31c.
Further, as shown in FIG. 5, the vent Hb formed on the top plate side of the casing 32 of the blower unit B includes the flange of the exhaust outlet of the blower 6 of the blower unit B and the bottom plate of the casing 33 of the heater unit C. Are connected to each other through a duct 6a having a rectangular cross section and a rubber flange 6b.
In this case, the operation of the bolts or the like used as the connection tool is performed by side plates of the casings that constitute each unit that can be opened and closed by metal fittings such as screws, for example, the side plates 31a, 32a, and 32b of the casings 31 and 32 (FIG. 2). (See (a)).
Thereby, after unit recombination, the outside air taken in while being cooled by the cooling coil 4 from the air suction port 1 is precisely adjusted to the set temperature by the electric heater 5 disposed on the downstream side and discharged from the air discharge port 2. (Refer to the one-dot chain line Ar in FIG. 2B).

  As mentioned above, although the air conditioner of this invention was demonstrated based on the Example, this invention is not limited to the structure described in the said Example, For example, a humidifier is unitized and mounted in an air conditioner. For example, the configuration can be changed as appropriate without departing from the spirit of the invention.

  The air conditioner of the present invention can be changed in specifications and design for each unit, and can reduce the delivery time by simultaneous parallel work. It can be suitably used for requested air conditioners.

It is sectional drawing which shows one Example of the air conditioner of this invention. It is explanatory drawing which shows the joining structure of the units, (a) is explanatory drawing which shows the joining structure of a refrigerator unit and an air blower unit, (b) is a whole sectional drawing of an air conditioner. (A) is the X part of FIG. 2 (a), (b) is the Y part, (c) is an enlarged view of the Z part. The ventilation hole formed in the baseplate side of the housing | casing of an air blower unit is shown, (a) is explanatory drawing which shows an assembly method, (b) is sectional drawing which shows the assembled state. The ventilation hole formed in the top plate side of the housing | casing of an air blower unit is shown, (a) is a top view, (b) is explanatory drawing which shows an assembly method. It is sectional drawing which shows an example of the conventional air conditioner.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Air inlet 2 Air outlet 3 Housing | casing 31 Lower housing | casing 32 Middle housing | casing 33 Upper housing | casing 4 Cooling coil 5 Electric heater 6 Blower 7 Refrigerator 81a, 81b, 82a, 82b Frame member 83 Common frame member 84 Frame member for outer edge 9 Bolt / Nut A Refrigerator unit B Blower unit C Heater unit D Control unit

Claims (2)

  A housing in which an air inlet and an air outlet are formed, a cooling coil and a refrigerator disposed in the air inlet, an electric heater disposed on the downstream side of the cooling coil, and a housing from the air outlet. In an air conditioner equipped with a blower that discharges air in the body, the respective functional parts are unitized as a unit arranged and arranged in an independent casing, and each unit and the respective functional parts are comprehensively controlled. An air conditioner characterized in that one air conditioner is assembled in combination with a control unit.   Units were joined by fixing the frame members of the casings constituting each unit to common frame members arranged so as to span between adjacent units using bolts and nuts. The air conditioner according to claim 1, wherein

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