JPH03122446A - Air conditioning equipment - Google Patents

Abstract

PURPOSE:To simplify the work of installation, maintenance check, and repair and prevent mistakes by attaching an electric circuit board to a branch chamber and by centralizing at this electric circuit board the wiring from all of the unit controllers, etc. CONSTITUTION:The wiring from the unit controllers 15 for individual spaces 7 is centralized at an electric circuit board 14 attached to a branch chamber 6 for the connection. This centralization makes it possible to centralize the work of maintenance check and repair at a maintenance hole formed on the lower side of the branch chamber 6 (inspection hole in the chamber) or in the ceiling (inspection hole in the ceiling).

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air conditioner, and particularly to an air conditioner for heating and cooling a plurality of individual spaces.

[Prior Art] Conventionally, air conditioners for heating and cooling a plurality of individual spaces have been disclosed in Japanese Utility Model Publication No. 61-22201 and Japanese Utility Model Publication No. 612-
No. 1451θ, Japanese Patent Publication No. 5θ-3745Ei, Japanese Patent Publication No. 5
There are those disclosed in Japanese Patent Application Laid-open No. 0-91937, Japanese Patent Application Laid-Open No. 57-19Ei029, and Japanese Patent Application Laid-open No. 82-37G33.

Furthermore, the air conditioners disclosed in Utility Model Application No. 83-113409 and Japanese Patent Application No. 1-51950 by the present applicant are capable of supplying as constant a flow rate of conditioned air as possible using a simple mechanism, and also provide space between each individual space. This is to prevent conversation sounds or noise from being transmitted into each room through the ducts.

The basic configuration of such an air conditioner developed by the present applicant will be outlined based on FIG. 5.

The air conditioner 1 includes a heating and cooling air conditioner 2, a blower 3 that blows conditioned air, an intake duct 4- connected to the heating and cooling air conditioner 2, a main duct 5, and a polygonal shape ( The branch duct 8 has a branch chamber 6 having a hexagonal shape or any other polygonal shape, and a plurality of branch ducts 8 extending from the branch chamber 6 to each room (individual space) 7. It is installed. In addition, the code|symbol 10 shows a hanging member, wiring, etc.

As shown in FIG. 6, the branch chamber 6 has a chamber interior inspection port 11 formed at its bottom, and the interior thereof can be inspected by opening and closing a lower lid 12 for opening and closing the inspection port. Each branch duct 8 is attached to the branch chamber 6 with a damper 13 that can be opened and closed, and an electric circuit board 14 for various controls such as adjusting the degree of opening of the damper 13 is mounted inside the damper 13 above. It is attached to the wall.

Adjustment of the opening degrees of these dampers 13, etc. will be performed by unit controllers 15 provided in each of the rooms 7, and the wiring state for this purpose is shown in FIG. 7. However, for the sake of simplicity, FIG. , a certain room 7
This shows the wiring status of one system related to.

As shown in the figure, the connector 16 of the unit controller 15 is connected to the connection terminal 19 of the wiring board 18 through the wiring 17, and the wiring board 18 of the unit controller 15 in each room 7 is
are connected to each other by wiring 17 and then to the electric circuit board 14.

The connection plate 18 is provided in a maintenance hole 20 formed at a predetermined location in each room 7, such as a predetermined location in the ceiling, and the maintenance hole 20 is opened or closed as necessary for special repairs or inspections.

Further, an electric box 21 having a control circuit and a power source for the entire air conditioner 1 is also connected to each unit controller 15 and the electric circuit board 14 in the branch chamber 6 via a connector 22.

Furthermore, the air outlet 9 is controlled by the unit controller 15.
The connection terminal 19 and the air outlet 9 are connected to each other in order to control the opening and closing of the air outlet.

By connecting the electrical box 21, the electrical circuit board 14 in the branch chamber 6, the air outlet 9, and the unit controller 15 to each other with the connection state of the wiring 17 as described above, a predetermined control is performed to drive the air conditioner l. This is what is being done.

However, since the wiring 17 is connected from the unit controller 15 of each room 7 via each connection board 18, this connection state is complicated, and the number of maintenance holes 20 is required for this connection. However, there is a problem in that it is necessary to provide the same number of points, and that the efficiency of repair and inspection work may be extremely reduced.

Moreover, since the air conditioner Nl is installed in the ceiling, it is desirable to avoid providing a plurality of maintenance holes 20 as much as possible from the aesthetic point of view.

Furthermore, if the installation position of the air outlet 9 needs to be corrected due to a change in the air conditioning system, there is a problem that such correction is difficult.

[Problems to be Solved by the Invention] The present invention was made in view of the above-mentioned problems, and it simplifies the connection state of wiring from each room, air outlet, electrical box, etc., and reduces the number of maintenance holes. To provide an air conditioner which is capable of reducing the number of circuits and components, is capable of performing installation, inspection and repair work of various circuits and parts at one place, thereby improving efficiency and accuracy, and is also excellent in appearance. The task is to

[Means for Solving the Problems] That is, the present invention provides an air conditioner including a heating and cooling air conditioner, a blower that blows conditioned air, and a duct that sends out the conditioned air to a plurality of individual spaces, A polygonal branching chamber having a predetermined volume and connecting a plurality of branching ducts in the middle of a duct connected to an air conditioner; an electric circuit board attached to the branching chamber;
] This is an air conditioner characterized in that a unit controller for two individual spaces is provided, and connections from these unit controllers are integrated on the electric circuit board.

In addition, in the present invention, the connection state between each component can be further simplified by consolidating the connection parts from the electric box onto the electric circuit board.

Further, by consolidating the connections from the conditioned air outlet 1 provided in the individual space on the electric circuit board, the wiring state between each component can be further simplified.

[Function] In the air conditioner according to the present invention, since the connection parts of the wiring from each individual space are consolidated on the electric circuit board attached to the branch chamber, the maintenance hole (inside chamber inspection opening or It is possible to perform repair and inspection work all at once in the ceiling inspection [1]. In addition, prepare a certain length of wiring to be installed on the ceiling.

Therefore, it is possible to prevent wiring mistakes when installing an air conditioner, and also to check the connection status of each wiring during repair and inspection.
・Workability is good because it can be checked at the point of force.

In addition, since there is no need to form maintenance holes in each individual space, the aesthetics of the air conditioning system as a whole is not only favorable, but also the combination of air outlets can be changed easily. .

[Example] Next, an air conditioner 30 according to an example of the present invention,
This will be explained based on FIGS. 1 to 4. However, the fifth
Components similar to those in the figures to FIG. 8 are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 is a partially enlarged perspective view of the branch chamber 6 section viewed from the bottom, showing the connection state of each wiring 17 in the air conditioner 30, and FIGS. 2 to 4 have different patterns of the air outlet 9. FIG. 2 is an explanatory diagram showing examples of systems.

- The chamber interior inspection opening 31 corresponding to the chamber interior inspection opening 11 formed on the bottom surface of the branch chamber 6 shown in F is formed into a circular opening, and a lower inspection opening opening/closing opening M32 corresponding to the inspection opening opening/closing lower lid 12 is provided. is also formed into a circular shape.

The electric circuit board 14 is attached to the external bottom surface of the inspection day opening/closing lower M32 in an exposed state. therefore,
The electrical circuit board 14 can be repaired or inspected by opening a ceiling plug (not shown) provided in the ceiling located below the branch chamber 6. In addition, by forming the above-mentioned chamber inspection 111 so as to be inscribed in this in-ceiling point spout, it is possible to have a degree of freedom in the installation position of the branch chamber 6 and to make the working space as wide as possible. do it like this.

As shown in the enlarged view in part A of FIG. 1, the electric circuit board 14
The unit controller 15 of each room 7 (5 rooms)
five connection parts 33 connecting the wiring 17 from the connector 16 of the electrical box 21, the wiring 17 from the connector 22 of the electrical box 21
and the connection plate 18 of the outlet 9.
Five sets of connecting portions 35 for connecting the wiring 17 from the connecting terminals 19 are arranged in a concentrated manner. (In addition, in FIG. 1, only the wiring 17 from one room 7 is shown for simplicity). In addition, the damper 1 inside the branch chamber 6
A connector 36 for connecting an actuator (not shown) for opening and closing 3 is also provided.

A maintenance hole 20 is formed near the air outlet 1]9, and a wiring board 18 is provided therein.

The maintenance hole 20 and the wiring board 18 do not necessarily have to be provided, but are provided in a minimum number, for example, to perform a simple test or the like.

Therefore, when the maintenance hole 20 is not provided,
It is assumed that the wiring 17 from the outlet 9 is directly connected to the connection part 35 of the electric circuit board 14.

In the air conditioner 30 configured as described above, the wiring 17 from each room 7, the wiring 17 from the electrical box 21, and the wiring 17 from the air outlet 9 are all integrated into the electrical circuit board 14. Normally, the maintenance hole 20 is only the inspection hole in the ceiling provided in the ceiling, and when the electric circuit board 14 of the branch chamber 6 is reached through this inspection hole in the ceiling and the electric circuit is repaired or inspected. , the electrical box 21, the unit controller 15, the air outlet 9, and the circuit or wiring 17 associated with the damper 13 can be confirmed together. Also,
Needless to say, the installation work of the air conditioner 30 is easy.

Note that if the electric circuit board 14 is provided exposed on the bottom surface of the branch chamber 6, the above-mentioned repair and inspection work will be easy. It's completely optional.

Moreover, since the installation and inspection etc. are carried out at - locations, it is possible to prevent wiring mistakes, etc.
Work such as reconfirmation can also be carried out reliably.

Furthermore, a branch duct 8 as shown in FIGS. 2 to 4 is provided.
Alternatively, the connection state of the air outlet 9 can be easily changed depending on the pattern. For example, in the pattern shown in FIG. 2, five branch ducts 8 are arranged in correspondence with five outlets 9, each unit controller 15 is arranged in each room 7, and the main room 7 is the largest one. A controller 37 is provided.

Even if it becomes necessary to change this pattern to the pattern shown in FIG. There is no need to rewire.

Moreover, FIG. 4 shows a pattern in which there is a room 7A in which a pair of air outlets 9 are branched from one branch duct 8,
Even in such a case, the modification can be made by simply changing or adding the wiring 17 in the electric circuit board 14, and there is no need to provide the maintenance hole 20 or the connection plate 18 in the portion R7A.

[Effects of the Invention] As explained above, according to the present invention, the electric circuit board is attached to the branch chamber, and the wiring from each unit controller etc. is consolidated on this electric circuit board, so that installation, repair and inspection work can be easily performed. It is practical, prevents mistakes, is easily adaptable to changes in the air conditioning system, such as changing the air outlet, and is aesthetically pleasing as it reduces the number of maintenance holes.

[Brief explanation of drawings]

FIG. 1 is a partially enlarged perspective view of the branch chamber 6 section viewed from the bottom, showing the connection state of each wiring 17 in the air conditioner 3o, and FIGS. 2 to 4 have different patterns of the air outlet 9. Explanatory diagrams each showing an example of the system. Fig. 5 is a perspective view of the basic structure of a conventional air conditioner. Fig. 6 is a partially cutaway bottom perspective view of the same. Fig. 7 is the same, arrangement & ! 17 is an explanatory diagram showing the connection state of No. 17. FIG. l. 2. 3. 4. 5. 6. 7, 7A, air conditioner 8. Heating and cooling air conditioners, blowers, intake ducts, main ducts, branch chambers 00 rooms (individual spaces) 26 branch ducts, air outlets, hanging members, wiring, etc. 20. Inspection port inside the chamber, lower lid for opening and closing the inspection port, damper, electric circuit board. Unit controller, connector, wiring, wiring board 09. Connection terminal 00. Maintenance hole, electrical box, connector 0. A connecting part 34 for connecting the wiring 17 from the air conditioner, the lower cover for opening and closing the inspection opening 09, and the unit controller 15. 35. 36. 37. , a connection part for connecting the wiring 17 from the air box 21, a connection part for connecting the wiring 17 from the air outlet r19, a connector for connecting the actuator, and a main controller.

Claims (3)

[Claims] (1) An air conditioner comprising a heating and cooling air conditioner, a blower that blows conditioned air, and a duct that sends the conditioned air to a plurality of individual spaces, the duct having a predetermined volume in the middle of the duct connected to the heating and cooling air conditioner. A polygonal branching chamber having a plurality of branching ducts connected thereto, an electric circuit board attached to the branching chamber, and a unit controller for each of the individual spaces, and connecting parts from each of these unit controllers to the above-mentioned. An air conditioner characterized by being integrated into an electric circuit board. (2) The air conditioner according to claim (1), wherein connections from an electric box are integrated on the electric circuit board. (3) The air conditioner according to claim 1, wherein a connection portion from a conditioned air outlet provided in the individual space is integrated on the electric circuit board.