JPH0213750A - Airconditioning system control device - Google Patents

Abstract

PURPOSE:To make it possible to carry out energy saving operating and obtain comfortable environment by obtaining the degree of indoor comfort from detected values of environmental elements which comprise room temperature, humidity, radiation temperature, and outdoor open door temperature, and predetermined values of clothing volume, activity volume, and ventilating current velocity, and adopting the aforesaid degree of comfort within the setting range. CONSTITUTION:A control device in adapted to set the initial values about the required items to start operation or comfort range of comfort degree PMV values and carry out setting 11 of clothing volume, activity volume of an occupant, and indoor ventilating current velocity. Then, it carries out detection 10 of room temperature, humidity, radiation temperature, and open air temperature when the output of a temperature detector 6, a humidity detector 7, a radiating temperature detector 8, and an open air temperature detector 9 are entered into an input circuit. Then, the control device computes a comfort degree PMV value from the preset values and the detected values and compares the computed PMV value with the PMV setting range 13 of each airconditioning related equipment so that the operation or the shut down of each airconditioning related equipment may be decided from the conditions about the indoor and outdoor differential air temperature and an operation selection means 15 of each airconditioning related equipment.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air conditioning system control device that automatically controls an indoor environment to make it comfortable for occupants.

[Prior Art] Conventionally, in order to obtain a comfortable environment for indoor occupants, a method of detecting the room temperature with a detector installed in an air conditioner and controlling the temperature (Japanese Patent Laid-Open No. 58-26946) (hereinafter referred to as simply,
(referred to as "first conventional example"), detects temperature and humidity with a detector,
A method of controlling temperature and humidity (Japanese Unexamined Patent Publication No. 57-127739) (hereinafter simply referred to as "second conventional example"), a method of controlling temperature by detecting room temperature and radiation with a detector (Unexamined Japanese Patent Publication No. 57-127739); Showa 5
8-7901) (hereinafter simply referred to as "third conventional example")
), and a method of detecting radiation and convection to control the temperature (JP-A-56-20948@publication) (C1, bottom, single D, r fourth conventional example). Each of the above methods deals with about two types of environmental factors.

In addition, when considering the comfortable environment for indoor occupants, environmental factors include air temperature, humidity, radiant temperature, air flow velocity, and air pollution. Japanese Patent Publication No. 61-29638) (hereinafter simply referred to as the "fifth conventional example") has been proposed.

[Problem to be solved by the invention] In the first to fourth conventional examples described above, in order to obtain a comfortable environment,
Temperature control or humidity temperature control is only performed using set values, and there is a technical limit to obtaining a sufficiently comfortable environment by controlling only two types of environmental factors.

In addition, in the fifth conventional example, it is difficult to change the setting values to accommodate individual differences among occupants and the distribution of indoor environmental factors, and the method for controlling each air conditioning-related device is limited to a method for determining the operation mode. However, the specific control method for each information-related device, which is the original problem, is not shown. Furthermore, a cumbersome operation was required to set control conditions for each air conditioning-related device for each device.

Therefore, the present invention provides an air conditioning system control device that provides a comfort level setting range for each air conditioner to achieve the most energy-saving operation, and that can provide a comfortable environment without having to perform cumbersome setting operations. The challenge is to provide this.

[Means for Solving the Problems] An air conditioning system control device according to the present invention comprises two or more of an air conditioner, a ventilation device, a humidifier, a ceiling fan, and a floor heater that are installed indoors and adjust indoor environmental factors. Air conditioning related equipment, indoor temperature detectors, humidity detectors, radiant temperature detectors,
an environmental element detection input means to which an output signal from an outdoor air temperature sensor is supplied; a means for setting the amount of clothing, an active mass, and an air flow rate; and a detection value of the environmental element detection input means and the amount of clothing. Comfort level calculation means for calculating the comfort level from the set values of the activity amount and airflow velocity setting means, a comfort range setting means, and changing the comfort range set by the comfort range setting means as necessary. and a comfort range changing means for each air-conditioning-related device, and a comfort level setting range for each air conditioning-related device is individually provided within the setting range so that the calculated value from the comfort level calculation means falls within the comfort level setting range. , an operation selection means for determining whether to operate or stop each of the air-conditioning-related equipment according to the operation priority order of each of the air-conditioning-related equipment; and equipment control means for instructing the operation of each of the air-conditioning-related equipment based on the determination by the operation selection means. It is something that

[Function] The air conditioning system control device of the present invention detects values from the detection means for detecting environmental factors such as indoor temperature, humidity, radiant temperature, and outdoor air temperature, and sets the amount of clothing, activity amount, and airflow velocity. The indoor comfort level is determined by the comfort level calculation means from the setting value set by the means, and in order to use this calculated value of comfort level as the setting range of the comfort level by the comfort range setting means, the operation selection means calculates the setting range. The comfort level setting range for each air conditioning-related equipment installed in the room, consisting of air conditioners, ventilators, humidifiers, ceiling fans, and floor heaters, that is, the upper and lower comfort level settings. Set values individually, select the operating priority of each air conditioning equipment, decide whether to start or stop each air conditioning equipment, and based on this decision, output an instruction to start or stop each air conditioning equipment from the equipment control means. and controls the air conditioning related equipment.

[Embodiment] FIG. 1 is a block diagram showing the overall schematic configuration of an air conditioning system control device that is an embodiment of the present invention, and FIG. FIG. 2 is an overall configuration diagram of a control device.

In the figure, (1) to (5) are air conditioning-related equipment that is installed indoors (17) and serves as a secondary aspect of the environmental elements of the room (17), and (1) is an air-conditioner with cooling and heating functions; (2)
(17) is a ventilation device with a function to introduce outside air into the room (17), (3) is a humidifier with a humidification function, (4) is a ceiling fan with a function to generate a cooling effect by airflow, (5) is a floor heater equipped with a heating function using radiation. (6) is a temperature detector that detects the air temperature in the room (17), (7)
is a humidity detector that detects the humidity in the room (17), (8) is a radiant temperature detector that detects the radiant temperature in the room (17), (
9) is an outside air temperature detector that detects the outside air temperature; (10)
detects indoor temperature, humidity, radiant temperature, and outside air temperature based on output signals from the temperature detector (6), humidity detector (7), radiant temperature detector (8), and outside air temperature detector (9). Detection and input means for environmental elements; (11) means for setting the amount of clothing, activity and airflow velocity of the occupant; and (12) means for inputting the detection of the environmental elements; (10) Comfort degree calculation means for calculating the indoor comfort level from the detected values from the clothing amount, activity amount, and air velocity setting means (11), and (13) for setting the comfort range. A range setting means (14) is a comfort range setting changing means for changing the comfort range set by the comfort range setting means (13) as necessary; (15) is a comfort level calculation means (12); ), the calculated value of the comfort level is set within the setting range set by the comfort range setting means (13) or the comfort range setting changing means (14), and within the comfort setting range. The air conditioner (1)
), comfort level setting range for each air conditioning equipment such as ventilation system (2), humidifier (3), ceiling fan (4), and floor heater (5),
In other words, the upper and lower limits of the comfort level are set individually,
As a result, the operation selection means (16) determines whether to operate or stop each air-conditioning-related device according to the operation priority of each air-conditioning-related device; This is equipment control means that outputs operation or stop instructions to each air conditioning-related equipment, such as a ventilation system (2), a humidifier (3), a ceiling fan (4), and a floor heater (5).

In Figure 2, (17) is a room with the air conditioner (1), ventilation system (2), humidifier (3), and ceiling fan (4) installed on the ceiling (18), and underfloor heating on the floor. A container (5) is installed. (19) and (20) are the intake duct and exhaust duct of the ventilation system (2). (21) is indoors (17
) is installed on the wall etc. of the environmental element detection input means (
10), means for setting amount of clothing, amount of activity, and air flow rate (11),
Comfort level calculation means (12), comfort range setting means (13)
), comfort range setting change means (14), driving selection means (
15), a built-in device control means (16), the temperature detector (6), the humidity detector (7), the radiant temperature detector (8),
The control device includes an outside temperature detector (9) and a setting change switch (22) of the comfort range setting change means (14).

(23) to (27) are installed in the ceiling etc., and upon receiving an output signal for operation or stop instruction from the equipment control means (16) of the control device (21), the air conditioner (1), ventilation A controller such as a relay that controls each air conditioning-related device such as the device (2), the humidifier (3), the ceiling fan (4), and the floor heater (5);
(28) via each of the controllers (23) to (27),
It is a power source that supplies power to each air conditioning related equipment (1) to (5).

The comfort level calculated by the comfort level calculation means (12) of the control device (21) is based on the International Organization for Standardization (Inter
national organization for
5 standarddition; l5O) international standard l
PMV (Predi
cted Mean Vote).

This comfort level PMV is calculated based on many indoor environmental factors such as room temperature ta, humidity Pa, radiant temperature tv, air velocity Var, clothing 1
It is a function of IcI, activity level M, etc., and can be determined from these values using the formula described in 15O-7730 above, and is expressed by the following thermal sensation scale.

+3...hot, +2...warm, +1...slightly warm O...neutral -1...slightly cool, -2...cool, -3...
This calculation formula and calculation method are based on the above-mentioned l5o-773.
This is well-known by the author, and since it is not directly related to the gist of the present invention, a detailed description thereof will be omitted.

FIG. 3 is a block diagram showing the hardware configuration of the air conditioning system control device of the embodiment shown in FIG. 1.

In FIG. 3, (29) is a microcomputer in the control device (21), and CPU (3) of the central processing circuit.
0), memory (31), timer (32), input circuit (
33) and an output circuit (34). (35) is an analog multiplexer into which the detection outputs of the temperature detector (6), humidity detector (7), radiant temperature detector (8), and outside temperature detector (9) are input; This is an A/D converter that converts the output into a digital signal, and the output is given to the input circuit (33). The setting change switch (22) includes, for example, a "cold" switch (22a) and a "hot" switch (22b).
The status signals of each switch (22a) and the "hot" switch (22b) are also provided to said input circuit (33). Each of the controllers (23) to (27) is connected to the output circuit (
34). Each of these controllers (23) to (2
7) are connected to air conditioning-related equipment such as the air conditioner (1), ventilation system (2), humidifier (3), ceiling fan (4), and floor heater (5). The CPU (30) includes each of the above-mentioned means, that is, means for setting the amount of clothing, amount of activity, and airflow velocity (11), means for calculating the degree of comfort (12), means for setting the comfort range (13), and means for setting the comfort range (13). It is programmed to execute functions such as a setting change means (14), an operation selection means (15), and an equipment control means (16).

The air conditioning system control device of this embodiment is configured as described above, and its operation is explained using the control flowchart shown in FIG. 4 and the operation selection means for each air conditioning related equipment of this embodiment shown in FIGS. This will be explained in detail using the explanatory diagram shown.

First, start by turning on the power of the controller @ (21>,
In step S1, initial values such as the items necessary for starting operation and the comfortable range of the comfort level PMV value are set, in step S2 the amount of clothing of the resident is set, in step S3 the amount of activity is set, and in step S4 the indoor air Set the flow rate (corresponding to the means for setting the amount of clothing, amount of activity, and air flow rate (11) in Figure 1). next,
In step S5, a temperature detector (6), a humidity detector (7)
, the radiant temperature detector (8), and the outside air temperature detector (9) are input to the input circuit (33) via the analog multiplexer (35) and A/D converter (36). temperature, humidity, radiant temperature, and outside air temperature (corresponds to the environmental element detection input means (10) in FIG. 1). In step S6, a comfort level PMV value is calculated from the set value in step S2.3.4 and the detected value in step S5 (corresponding to the comfort level calculating means (12) in FIG. 1).

Next, in step S7, press the comfort range setting change switch (
22) Determine whether or not it has been operated, and if it has not been operated,
In step S9, the PMV value calculated in step S6 is compared with the PMV value setting range of each air conditioning-related device (corresponding to the comfort range setting means (13) in Fig. 1), and the indoor and outdoor air temperature is Based on the difference conditions, a decision is made to operate or stop each air conditioning device, as shown in the operation selection means for each air conditioning device in FIG. 5 (corresponding to the operation selection device (15) in FIG. 1).

For example, for cooling during the summer or mid-season, among the air conditioning-related equipment having the above-mentioned functions, the air conditioner 11 (1) has a cooling function, and the ventilation system (2) has a function to introduce outside air into the room. , the ceiling fan (4) having a function of producing a cooling effect by airflow is the device to be controlled, and the current comfort level PMV value obtained in step S6 is the PMV of the ceiling fan (4).
If the set upper limit value is +0.5 or more and the indoor/outdoor temperature difference is 3° C. or less, it is determined to turn on the ceiling fan (4). Due to the cooling effect of the airflow caused by the operation of the ceiling fan (4), it is possible to suppress an increase in the PMV value. At this time, if the indoor-outdoor temperature difference is 3° C. or more, it is also determined that the ventilation device (2) is turned on. By operating this ventilation device (2), outside air is introduced and outside air cooling is performed. Then, the cooling load increases, and the PMV value increases to + the PMV setting upper limit of the air conditioner (1).
When it becomes 1.0 or more, it is decided to turn on the air conditioner (1).

When the PMV value decreases due to the operation of the air conditioner (1) and becomes equal to or less than the PMV setting lower limit value of the air conditioner (1), it is first determined to turn off the air conditioner (1). Furthermore, PMV
When the value decreases to below the PMV setting lower limit value of the ceiling fan (4), it is determined to turn off the ceiling fan (4).

In this way, during air conditioning in the summer, when the temperature difference between indoor and outdoor is 3°C or more, it is decided to turn on the ventilation system (2), and actively introduces outside air to cool the room. If the temperature difference is 3° C. or less, first, it is determined to turn on the ceiling fan (4), and then, if necessary, it is determined to turn on the air conditioner (1).

Conversely, when the PMV value is decreasing, the control is such that first it is decided to turn off the air conditioner (1), and then it is decided to turn off the ceiling fan (4).

For heating in winter, the equipment to be controlled is an air conditioner with a heating function (1), a humidifier with a humidification function (3), and a floor heater (5) with a heating function by radiation.
When the value is less than the PMV setting lower limit of the air conditioner (1) -1.0, it is decided to turn on the floor heater (5) and the air conditioner (1).The PMV value increases and the air conditioner (1) is turned on. 1) PMV
I constant upper limit value When the upper limit value is 5 or more, the air conditioner (
1) is decided to be turned off, heating is performed only by radiant heating by the floor heater (5), and when the PMV value increases further and becomes equal to or higher than the PMV setting upper limit value O of the floor heater (5), the floor heater (5) is turned off. (5) is determined to be off. Conversely, from this state, PMV
The value decreases, and the PMV setting lower limit value of the floor heater (5) -0,
When it becomes 5 or less, first, it is decided to turn on the floor heater (5), and further, the PMV value decreases, and the PM of the air conditioner (1) decreases.
When the V setting lower limit value -1.0 or less, the control is such that it is determined to turn on the air conditioner (1). Further, if the PMV value is greater than or equal to the PMV setting lower limit value of the air conditioner (1) -1.0, and the relative humidity is less than or equal to the relative humidity setting lower limit value 30%, in step 310, the humidifier (3) is turned on. is determined, and when the relative humidity reaches the relative humidity set upper limit value of 40% or more, the humidifier (3) is controlled to be turned off.

In this way, when each air conditioning-related device is turned on or off in step S9 and step 310, step 311
Then, on/off control signals are outputted to the respective controllers (23) to (27) via the output circuit (34) based on the on/off determination of each air conditioning related device in step S9 and step S10. (Corresponds to the device control means (16) in FIG. 1). If it is an on signal, the corresponding controller (23)
Power is supplied from the power source (28) to each air conditioning related device through (27). Next, in step S12, the timer (32) repeatedly executes the routine from step S5 to step 311 at regular intervals.

Next, select "Cold" from the comfort range setting change switch (22).
switch (22a) or "hot" switch (22b)
When is operated by the resident, the setting of the comfort range is changed in step S8, and the PMV setting upper limit and the setting lower limit of the comfort range slide upward or downward, and as a result, the settings for each air conditioning-related device are changed. The PMV setting upper limit value and setting lower limit value also slide in the same manner (corresponding to the comfort range setting changing means (14) in FIG. 1).

Figure 6 shows the PMV upper limit and PM by operating the "cold" switch (22a) and "hot" switch (22b).
The operation selection means for each air conditioning-related device is shown by an example of sliding change of the V setting lower limit value.

For example, when the resident operates the "cold" switch (22a), the value changes by +0.5 slides in step S8, and when the resident operates the "hot" switch (22b), the value changes by -0.5 slides. and step S9.
By using this, it is possible to decide whether to turn on or off each air conditioning-related device.

In the above explanation, a specific air conditioner-related@device was explained as an example, but when implementing the present invention, the present invention is not necessarily limited to this, and if at least a plurality of units are used, the same applies. control.

[Effects of the Invention] As described above, according to the air conditioning system control device of the present invention, the detection value from the detection means for detecting environmental factors consisting of the internal temperature, humidity, radiant temperature, and outdoor air temperature; From the amount of clothing, the amount of activity, and the values set by the air velocity setting means, the comfort level of the room is determined by the comfort level calculation means, and this calculated value of the comfort level is set as the range of comfort level set by the comfort range setting means. Therefore, the operation selection means selects the air conditioners, ventilation equipment, humidifiers, ceiling fans, etc. installed indoors within the setting range.
Setting ranges for comfort levels are set individually for each air-conditioning-related device consisting of two or more of the floor heaters, and operation or stopping of each air-conditioning-related device is determined according to the operating priority of each air-conditioning device, and based on this decision, The equipment control means outputs an instruction to start or stop each air conditioning equipment, thereby controlling the air conditioning equipment.

Therefore, multiple indoor environmental factors are detected or set, and each air conditioner is operated or stopped by comparing the comfort level calculated from these environmental factors with the comfort setting range set individually for each air conditioner. As a result, each air conditioner is selected according to its operating priority, and the indoor comfort level can be maintained in an energy-saving manner.In addition, changing the comfort setting for each air conditioner can be done by changing the comfort range. Since this can be done by means of the following means, there is an effect that the troublesome setting operation of changing the setting range of the comfort level for each air conditioner is unnecessary.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the overall schematic configuration of an air conditioning system control device according to an embodiment of the present invention, and FIG.
An overall configuration diagram of the air conditioning system control device of the embodiment shown in the figure,
FIG. 3 is a block circuit diagram showing the hardware configuration of the air conditioning system control device of the embodiment shown in FIG.
The control flowchart of the air conditioning system control device of the embodiment shown in the figure, and FIGS. 5 and 6 are explanatory diagrams showing operation selection means for each air conditioning related device of the embodiment shown in FIG. 1. In the figure, 1: air conditioner, 2: ventilation system, 3: humidifier,
4: Ceiling fan, 5: Floor heater, 6: Temperature detector, 7: Humidity detector, 8: Radiant temperature detector, 9: Outside air temperature detector, 10: Environmental element detection input means, 11: Amount of clothing 12: Comfort degree calculation means; 13: Comfort range setting means; 14: Comfort range setting changing means; 15: Operation selection means; 16 Two-device control means. In addition, in the drawings, the same reference numerals and the same reference numbers or corresponding parts are indicated. Agent: Patent attorney Masuo Omiya and 2 others 1.Case description: Patent Application No. 164390, No. 1983, No. 29
Title of the invention Air conditioning system control device 3 Representative of the person making the amendment Mori 41 Sei Ni 5 Subject of the amendment (1) Scope of claims in the specification (2) Detailed explanation of the invention in the specification ( 3) Drawing 6, contents of amendment (1> The scope of claims column of the specification is amended as shown in the attached sheet. (2) Line 9, directly above the 5th line, and line 8, directly above the 6th line of the specification. , and amend "provide," on the 9th line of page 19 to "provide, as a result." (3) "5ta" on the 6th to 7th lines of the 10th page of the specification.
ndardition J is corrected as JStandardization, J. (4) "Radiation temperature t" on page 10, top line 10 of the specification
vj is corrected to ``radiant temperature trJ.'' (5) ``Use at least...'' in lines 6 to 5 on page 18 of the specification is changed to ``have the same function.''
and correct it. (6) "Detection means" in the first line directly above No. 19 in the specification is corrected to "detection input means." (7) Figure 5 of the drawings has been amended as shown in the attached sheet. 2. Claims include air conditioners, ventilators, humidifiers, ceiling fans, and floor heaters that are installed indoors and adjust indoor environmental factors. Air conditioning related equipment consisting of two or more, indoor temperature detector, humidity detector,
an environmental element detection input means to which output signals of the radiant temperature detector and the outdoor air temperature sensor are supplied; a means for setting the amount of clothing, an active mass, and an air flow rate; and a detection value of the environmental element detection input means; Comfort level calculation means for calculating the comfort level from the set values of the clothing amount, activity level and airflow velocity setting means, a predetermined comfort range setting means, and the comfort range setting means setting the comfort range as necessary. and a comfort range changing means for changing the comfort range for each air conditioning-related device within the set range so that the calculated value from the comfort level calculation means falls within the set range of the comfort level. an operation selection means that individually sets setting ranges and ultimately determines whether to operate or stop each of the devices according to the operating priority of each of the devices; and an equipment control that instructs the operation of each of the devices based on the determination of the operation selection means. An air conditioning system control device comprising: means.

Claims (1)

[Claims] Air conditioning-related equipment that is installed indoors and that adjusts indoor environmental factors, consisting of two or more of the following: an air conditioner, a ventilation system, a humidifier, a ceiling fan, and a floor heater; an indoor temperature detector; and a humidity detector;
an environmental element detection input means to which output signals of the radiant temperature detector and the outdoor air temperature sensor are supplied; a means for setting the amount of clothing, an active mass, and an air flow rate; and a detection value of the environmental element detection input means; Comfort level calculation means for calculating the comfort level from the set values of the clothing amount, activity level and airflow velocity setting means, a predetermined comfort range setting means, and the comfort range setting means setting the comfort range as necessary. and a comfort range changing means for changing the comfort range for each air conditioning-related device within the set range so that the calculated value from the comfort level calculation means falls within the set range of the comfort level. an operation selection means that individually sets a setting range and determines whether to operate or stop each of the devices according to the operation priority of each of the devices; and an equipment control device that instructs the operation of each of the devices based on the determination by the operation selection means. An air conditioning system control device comprising: