JPH02126039A - Managing device for air conditioning - Google Patents

Abstract

PURPOSE:To enable execution of easy coping with variation of the operation time of an air conditioner unit according to the presence of a man by a method wherein a presence switch generating a presence signal is mounted to each of a plurality of rooms. CONSTITUTION:A central processing device 2a generates a timer motion signal, producing a set time high level from a time signal generated from a clock 2e. An input output circuit 2f performing mediation of transmission of a signal between an OR circuit 6 and the central processing device 2a is added. The central processing device 2a inputs a logic sum of a plurality of presence signals from presence switches 5A-5N, and performs running of an air conditioner unit 1 in response to a logic sum of an output signal from the OR circuit 6 and a timer motion signal. That is, when some one of presence signals from a plurality of the presence switches 5A-5N and a timer motion signal produces a high level, running of the air conditioning unit 1 is started, and when all presence signals from presence switches 5A-5N and a timer motion signal produce a low level, running of the air conditioner unit 1 is stopped.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air conditioning management device for managing air conditioning equipment for cooling, heating, dehumidifying, ventilation, etc. in a building.

[Traditional techniques]

FIG. 3 is a block diagram showing a conventional example of air conditioning equipment in a building. In the air conditioner shown in FIG. 3, an air conditioner unit 1 is composed of an operation controller 2 installed, for example, in a control room, and an operation selector switch 3 and a manual switch 4 placed near the air conditioner unit 1. It is managed by a management device.

The air conditioning equipment in this building is configured such that, for example, an air conditioner unit 1 is installed in each air conditioning zone divided into multiple zones, and multiple rooms within one air conditioning zone are air-conditioned all at once by one air conditioner unit 1. It has become.

In addition, in Figure 3, it is empty! 1! ! f! Only one unit is shown.

The operation controller 2 includes a central processing unit 2a, an input/output circuit 2b, a CR7 display device 2C, a keyboard 2d, and a clock 2e.

The central processing unit 2a is composed of a CPU, etc., and has a clock 28.
Air conditioner unit 1)
Controls the operation of 1. The input/output circuit 2b is interposed between the central processing unit 2a and the air conditioner unit 1, and mediates signal transmission between the two. The CRT display device c is controlled by the central processing unit 2a and performs various displays for monitoring the status of the air conditioner unit 1. The keyboard 2d performs various operations on the air conditioner unit 1, selection of a display screen on the CRT display device 2C, and the like.

Next, the operation will be explained. In the configuration of the air conditioning management device shown in FIG. 3, when the operation selector switch 3 is switched to the a side, the operation controller 2 performs operation control according to a time schedule. That is, the central processing unit 2a starts operation of the air conditioner unit 1 at a preset time, for example, at 9 a.m. on weekdays, based on the time signal given from the clock 28, and starts operation of the air conditioner unit 1 at, for example, 5 p.m. that day. Stop driving.

During the operating period from 9 a.m. to 5 p.m., the temperature of each room within the air conditioning zone is +? Displays W degrees, etc.

In addition, when the operation selector switch 3 is switched to the b side, the control by the operation controller 2 is canceled and the manual switch 4
The operation of the air conditioner unit 1 is then switched to control.

[Problem to be solved by the invention]

The air conditioning management device shown in Figure 3 above is an air SIN machine unit l.
The system is configured to operate according to a predetermined time schedule using the operation controller 2. For example, if you want to work overtime after 5 p.m., you must change the set time or switch the operation selector switch 3, and then manually It was necessary to operate the switch 4, and it was not easy to change the operating time of the air conditioner unit 1.

In addition, if the time is set to stop the operation of air conditioner unit 1 at 7 o'clock, for example, in anticipation of overtime, if overtime work ends at 6 o'clock, air conditioner unit 1 will be turned off from 6 o'clock to 7 o'clock. This will result in unnecessary driving.

Furthermore, when there are multiple rooms within the air conditioning zone of air conditioner unit 1, even if one room finishes overtime and no longer needs air conditioning, other rooms often continue to work overtime and require air conditioning. In this case, when switching the operation using the manual switch 4, the operation of the air conditioner unit 1 may be stopped even though air conditioning is necessary. The problem is that I can't.

Therefore, an object of the present invention is to be able to operate the air conditioner unit 7) only for the necessary time when air conditioning is required, and to easily adapt to changes in the operation time of the air conditioner unit due to the presence or absence of people. An object of the present invention is to provide an air conditioning management device that can perform the following tasks.

[Means to solve the problem]

The air conditioning management device of the present invention includes a plurality of room occupancy switches that each notify a person's flower stand in a plurality of rooms in an air conditioning zone that is air-conditioned by an air conditioner unit, and a plurality of room occupancy switches that notify the presence of a person. an operation controller that starts operation of the air conditioner unit in response to the occurrence of at least one of the signals and stops operation of the air conditioner unit in response to disappearance of all the occupancy signals from the plurality of occupancy switches; It is characterized by having been established.

[Function] In the configuration of the present invention, when a person enters at least one of the plurality of rooms in the air conditioning zone that is air-conditioned by the air conditioner unit and air conditioning is required, the occupancy signal is sent from the occupancy switch in the room. When this occurs, the operation controller starts operating the air conditioner unit. After that, when people leave all of the multiple rooms in the air conditioning zone and air conditioning is no longer required, and the occupancy signals from all the occupancy switches disappear, the operation controller stops the operation of the air conditioner unit. become.

〔Example〕

An embodiment of the present invention will be described based on FIGS. 1 and 2.

FIG. 1 is a block diagram showing an embodiment of air conditioning equipment in a building. In the air conditioning system shown in FIG. 1, the air conditioning unit 1 is managed by an air conditioning management device that includes an operation controller 2', a plurality of room occupancy switches 58 to 5N, and an OR circuit 6 installed in, for example, a management room. It is supposed to be done.

The air conditioning equipment in this building is similar to the conventional example, for example, an air conditioner unit 1 is installed in each air conditioning zone divided into multiple parts,
The structure is such that multiple rooms within one air conditioning zone are air-conditioned all at once by one air conditioner (Unino) 1.

As shown in Fig. 1, the air conditioning management device that manages the Air 5Ji1a unit 1 has a plurality of devices that notify the presence or absence of people in each of the plurality of rooms in the air conditioning zone that is air-conditioned by the Air 311 unit 1. Room switches 5A to 5N are arranged, and an OR circuit 6 is provided to take the logical sum of the room occupancy signals output from the plurality of room occupancy switches 58 to 5N. The system is equipped with an operation controller 2' that performs the following operations.

In this case, the operation controller 2' is a central processing unit 2a having the same functions as the conventional example shown in FIG.

Input/output circuit 2b, CR7 display device 2C, keyboard 1'2
In addition to the d2 clock 28, the OR circuit 6 and the central processing unit t2
An input/output circuit 2f is added that is interposed between the input and output terminals a and mediates signal transmission between the two.

Further, the room occupancy switches 5A to 5N are constituted by manual switches, and the person in each room turns on the room occupancy switches 58 to 5N according to the need for air conditioning. Note that the operation controller 2' is connected to a plurality of air conditioner units 1.
can be managed all at once.

Next, the operation will be explained. In the configuration shown in FIG. 1, the operation controller 2' controls the time schedule and occupancy switch 5.
Occupancy signal (high level signal) output from 8 to 5N
Operation control is performed based on.

Specifically, the central processing unit 2a creates a timer operation signal that is set in advance to be at a high level from 9:00 a.m. on weekdays to 5:00 p.m. on the same day based on the time signal given from the clock 2e. .

Then, the central processing unit 2a takes in the output signal of the OR circuit 6 (the logical sum of the occupancy signals of the plurality of occupancy switches 5A to 5N), and the logical sum of the output signal of the OR circuit 6 and the above-mentioned timer operation signal. In response to this, the air conditioner unit 1 is operated. That is, when any one of the room occupancy signals and timer operation signals of the plurality of room occupancy switches 5A to 5N becomes high level, the operation of the air conditioner unit 1 is started, and the plurality of room occupancy switches 5A to 5N are activated. When all of the signals and the timer operation signal become low level, the operation of the air conditioner unit 1 is stopped. In order to prevent hunting, the operation of the air conditioner unit 1 is also stopped when all the signals are at low level for a certain period of time.

In addition to controlling the operation described above, the operation controller 2' controls the operation of the air conditioner unit 1 during the operation period of the air conditioner unit 1, for example.
Displays the temperature of each room in the air conditioning zone taken in from the air conditioner.

With this configuration, at 9:00 a.m., or when a person enters at least one of the plurality of rooms in the air conditioning zone that is air conditioned by the air conditioner unit 1 and air conditioning is required, When an occupancy signal is generated from a switch, for example 5A, the operation controller 2' starts operating the air conditioner unit 1. After that, for example, after 5:00 p.m., when people have left all the rooms in the air conditioning zone and air conditioning is no longer necessary, and the occupancy signals from all the occupancy switches 5A to 5N disappear, the operation control is performed. The air conditioner unit 2' will stop operating the air conditioner unit 1.

FIG. 2 is a time chart showing the relationship between the timer operation signal, two room occupancy signals, and the operating state of the air conditioner unit 1. In FIG. 2, (al indicates a timer operation signal, (bl, (C1) respectively, for example, the room occupancy switch 5A
, 5B, and fdl indicates the operating status of the air conditioner unit 1.

From FIG. 2 above, the waveform of (d) is (al, (bl
It is clear that this is the logical sum of the waveforms of and (C). That is, in the case of this figure, the air conditioner unit l
The operation of the air conditioner unit 1 is started, and the operation of the air conditioner unit 1 is stopped at time t2 when the room occupancy signal tc+ in FIG. 2 falls.

Note that the air conditioner unit 1 is used during the summer when cooling and heating are required.
It is necessary to operate not only in winter but also in spring and autumn when ventilation is required, and the room occupancy switches 5A to 5N are used throughout the year.

The air conditioning management device of this embodiment operates the air*i unit 1 in response to the timer operation signal and the logical sum signal of the occupancy signals of the occupancy switches 5A to 5N, so that the air conditioner unit 1 is operated at 9 a.m. on weekdays according to the time schedule. to 5 p.m., when at least one of the rooms in the air-conditioning zone is occupied, air conditioning is performed, and all rooms in the air-conditioning zone are Air conditioning can be turned off when no one is in the room. That is, when air conditioning is required, the air conditioner unit 1 can be operated for the necessary time without waste. Moreover, since occupancy switches 5A to 5N that generate occupancy signals in each room are provided in each of the plurality of rooms, the operation time of the air conditioner unit 7 1 can be changed depending on the presence or absence of a person. It can be easily handled.

Furthermore, the presence of people can be monitored on a zone-by-zone basis using the presence signals from the room presence switches 58 to 5N, and can also be used for crime prevention management.

In the above embodiment, the room occupancy switches 5A to 5N are configured as manual switches, and when a person in the room presses the room occupancy switch 5A.
~5N were configured to be operated individually, but for example, by using an infrared sensor or the like, it is possible to detect when a person enters the room and automatically generate a room occupancy signal from the room occupancy switches 5A to 5N. You can also do it.

Furthermore, in this embodiment, both the operation control based on the room occupancy signal and the operation control based on the time schedule are performed, but the operation control based on the time schedule is not a requirement of the present invention.

〔Effect of the invention〕

According to the air conditioning control device of the present invention, air conditioning is performed when a person is present in at least one of the plurality of rooms within the air conditioning zone, and when a person is present in all of the plurality of rooms within the air conditioning zone. Air conditioning can be stopped when not in use. That is, when air conditioning is required, the air conditioner unit can be operated for the necessary time without waste. Moreover, since each room is equipped with an occupancy switch that generates an occupancy signal in each room, occupancy switches that generate occupancy signals are installed in each room.
It is possible to easily respond to changes in the operating time of the i-unit.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.
FIG. 2 is a time chart showing the operation of the device shown in FIG. 1, and FIG. 3 is a block diagram showing the configuration of a conventional example. 1...Air conditioner unit, 2'...Operation controller, 58-5N...Room occupancy switch, 6...OR circuit 5A-5
N-Compressed air switch diagram

Claims (1)

[Claims] a plurality of room occupancy switches disposed in each of a plurality of rooms in an air conditioning zone air-conditioned by an air conditioner unit to notify the presence or absence of a person; and at least one of the room occupancy signals from the plurality of room occupancy switches. an operation controller that starts the operation of the air conditioner unit in response to the occurrence of the occurrence of the problem, and stops the operation of the air conditioner unit in response to the disappearance of all the occupancy signals from the plurality of occupancy switches. management device.