JPS6129638A - Controlling device of indoor environment - Google Patents

Abstract

PURPOSE:To automatically select and control a plurality of environmental appliances by a method wherein decisions are given on whether the degree of comfort of an indoor environment lies in the predetermined zone or not and on which environmental state is to be changed in order to bring said degree of comfort into the predetermined zone in order to control environmental control appliances in response to the given decisions. CONSTITUTION:Outputs from environmental detectors such as a room temperature sensor, a humidity sensor and the like installed near an occupant are sent to a detection signal controller 2. Said digital output signals are converted into optical signals 6 and sent to an operator 3 so as to be operated in accordance with the predetermined algorithms inorder to control environmental controllers 5 such as an air conditioner 52, a humidifier 53 and the like through a signal transmitter 4. The alforithms used at the operator 3 are to decide the necessities for ventilation, air purification, humidity control, temperature control and the like based upon the detection data from the sensors.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an indoor environment control device that automatically controls an indoor environment so as to make occupants comfortable.

[Prior art] Conventionally, in order for indoor residents to obtain a comfortable environment, there have been two methods: detecting the room temperature with a detector installed in an air conditioner and controlling the temperature (Japanese Patent Laid-Open No. 58-26946); There is a method that detects temperature and humidity control (Japanese Patent Application Laid-Open No. 57-127739), a method that detects room temperature and radiation with a detector and controls the temperature (Japanese Patent Publication No. 7901-1982), and a method that detects radiation and convection. , Method of temperature control (Special Publication No. 56-20948
Publication No.) etc. When considering the comfortable environment for indoor residents, environmental factors include air temperature, humidity, radiant temperature, air flow velocity, and air pollution, but the above methods consider at most two types of environmental factors. I'm just doing it. Furthermore, in the conventional methods described above, in order to obtain a comfortable environment, only temperature control or temperature/humidity control is performed based on set values, and it is not necessary to determine which environmental factors are best controlled in order to obtain a comfortable environment. I haven't.・Therefore, it is difficult to obtain a sufficiently comfortable environment with conventional control of only two types of environmental elements, and there are disadvantages such as the need for cumbersome operations to set various control conditions in order to obtain a comfortable environment. It had

[Summary of the Invention] This invention has been made in view of the above points, and includes an environmental detector that measures multiple environmental elements and outputs signals according to each environmental state, a computing unit, and an indoor environmental state. The system is equipped with an environment control device that has multiple functions for changing the environment, and uses a computing unit to calculate the comfort level of the indoor environment from the multiple output signals from the environment detector, and determines whether the calculated comfort level is within a predetermined range. By determining which environmental conditions need to be changed in order to enter a predetermined range, and controlling the environmental control device according to the determination result, the environmental control device can create a comfortable environment among the multiple functions of the environmental control device. It is an object of the present invention to provide an indoor environment control device that automatically selects the best function to obtain a comfortable environment without making any unusual settings.

[Embodiments of the invention] Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration diagram of the present invention, in which (1) is an environment detector that measures a plurality of environmental elements and outputs a signal according to each environmental state;
) is a detection signal controller that transmits the output signal of this environmental detector (1) at fixed time intervals, and (3) receives the transmission signal from this detection signal controller (2) and transmits this received data. means (31) for calculating the comfort level of the indoor environment based on a predetermined formula based on the output signal from the environment detector (1); A means (32) for determining whether the range is within
) and a means for outputting a control signal according to the determination result (
33). (4) is a signal transmitter that transmits the output signal of this computing unit (3), and (5) is the above computing unit (3).
This is an environmental control device that has multiple functions of receiving control signals sent from a computer through a signal transmitter (4) and changing the indoor environmental condition according to the calculation results.

The environment detector (1) is placed close to the resident, measures the resident's environment, and sends the measured data to the detection signal controller (2).
) to the arithmetic unit (3) at regular time intervals, and the comfort level calculation means (31) calculates the comfort level based on a predetermined formula. The determining means (32) determines whether this comfort level is within a predetermined range, and if it is within the predetermined range, the control signal output means (33) sends an environmental control device (
5) outputs an OFF signal through the signal transmitter (4) to stop the function of changing the environment. If the comfort level is outside the predetermined range, the determining means (32) calculates which function of the environmental control device (5) should be used, and the control signal means (33) calculates which function to use in the environmental control device (5), and sends a signal from the control signal means (33) via the signal transmitter (4). outputs an ON signal to the selected function of the environmental control device (5). This control is repeated to make the resident's environment comfortable.

The comfort level calculated by the means (31) of the arithmetic unit (3) is based on the International Organization for Standardization (International Organization for Standardization).
Organization for 5 standards
International standard draft (Dr.
aft Proposal; D' P ) D P
PPD (Predic
ted Percentage of Dissatis
(fied) is used. This comfort level PP
D is a function of many environmental factors around the resident, such as room temperature ta, humidity Pa, radiant temperature tr, wind speed Var, amount of clothing Tc], and the amount of heat produced M determined by the resident's movements, and these values It can be calculated from the formula described in the above DP7730. This formula and calculation method are very complicated and are well known from the above-mentioned draft international standard DP7730, so detailed explanations will be omitted here. and,
The predetermined range of the comfort level determined by the means (32) of the arithmetic unit (3) is, for example, 80% or more, that is, 10%.
A range in which 0 out of 80 people feel comfortable is set in advance.

FIG. 2 is a block diagram showing the hardware configuration of an embodiment of the present invention. In the figure (11) to (17)
(11) is a temperature sensor that detects room temperature, (12) is a humidity sensor, (13) is a radiation sensor, (
14) is a wind speed sensor that detects air flow velocity, and (15) is an air dirt sensor. (16) is a clothing amount setting device for which the occupant arbitrarily sets a value, and (17) is a heat production amount setting device for the occupant to arbitrarily set a value by observing the movement of people in the room.

(21) to (23) are the component parts of the detection signal controller (2), and (21) is a multi-channel A that inputs multiple analog signals from the environment detector (1) and converts them into digital signals.
/D converter, (22) is an electrical/optical signal converter capable of converting the digital signal from the A/D converter (21) into an optical signal and transmitting it to the arithmetic unit (3), (23) is , controls the multi-channel A/D converter (21) and the electrical/optical signal converter (22) so as to capture the measurement signal of the environment detector (1) at fixed time intervals and send it to the arithmetic unit (3). It is a controller to (6) is an optical signal transmitted from the detection signal controller (2) and received by the arithmetic unit (3). (34)～
(37) is the hardware component of the arithmetic unit (3), (
34) is the optical signal (
6) an optical/electrical signal converter that receives and converts the signal into an electrical signal;
(35) represents each means shown in FIG.
), a computer programmed to execute (36
) transmits the output signal from the computer (35) to the signal transmitter (4)
A transmitter (37) receives the environmental detection signal sent from the environmental detector (1) via the detection signal controller (2) at predetermined time intervals, calculates it, and controls it. An optical-to-electrical converter (3) sends the signal to a signal transmitter (4).
4), a controller that controls the computer (35) and the transmitter, (
7), the output electric signal of the arithmetic unit (3) is transmitted to the signal transmitter (4).
) is an optical signal converted by (51) ~ (55
) is a component of the environment controller (5), (51) receives the optical signal (7) transmitted from the signal transmitter (4),
An optical receiver that selects and outputs the functions necessary for environmental control according to the content of the signal, (52) an air conditioner equipped with the five functions of cooling, heating, dehumidification, and ventilation necessary for environmental control; (53)
) is a humidifier equipped with the humidification function necessary for environmental control, (54
)" is an air purifier with an air purifying function necessary for environmental control, and (55) is a ventilation fan with a function of taking dirty air out of the room and exchanging it with fresh air outside, which is necessary for environmental control.

As mentioned above, the input environmental elements necessary to determine the comfort level F>PD are room temperature, humidity, radiant temperature, wind speed, amount of clothing, and heat production. Temperature sensor (1), humidity sensor (12), radiation sensor (13), wind speed sensor (14), clothing amount setting device (16)
) and a calorific value setting device (17). In addition, air pollution sensors (15
) is also provided. Clothing amount setting device (16) and heat production setting device (
17) is due to the lack of suitable sensors and the fact that residents can set values arbitrarily according to their own clothing and behavior, and can create a comfortable environment according to the needs of the situation by freely changing the values. A variable setting device was used to

The operation will be explained below. When a resident wants to have a comfortable environment, the first step is to use an environmental detector (1) placed near the resident.
Set the clothing amount setting device (16) and heat production amount setting device (17) as necessary, and set the temperature sensor (11) and humidity sensor (1).
2) Send the outputs of the radiation sensor (13), wind speed sensor (14), air pollution sensor (5), clothing amount setting device (16), and heat production amount setting device (17) to the detection signal controller (2) do. The detection signal controller (2) detects the environmental detector (1) at fixed time intervals, for example, every minute, under the control of the controller (23).
) to the multi-channel A/D converter (2
Step 1) sequentially scans and converts it into a digital signal. The converted digital signal is converted into an optical signal (
6) and sent to the arithmetic unit (2). The use of optical signals allows the environment detector (1) and the detection signal controller (3
), even if the integrated environment detector (1) and detection signal controller (3) are moved to the resident's side as the resident moves, the calculation of the fixed position will not be possible. vessel(
This is to enable signals to be sent to 3). The optical signal (6) is received by the computing unit (3) located at a fixed position in the room,
It calculates according to a predetermined algorithm and transmits the result to the signal transmitter (4). A signal transmitter (4) that receives this signal converts the electrical signal into an optical signal (7) and transmits it to an environmental control device (5) attached to a wall or the like in the room. The optical receiver (51) of the environmental control device (5) receives the optical signal (7) and converts it into an electric signal. Determines which function (air blowing, dehumidification, humidification, air purification, ventilation) is selected or whether to stop all of them, sends a signal to the selected function, stops the function that should be stopped, and operates the function that should be activated. let In this way, residents can obtain a comfortable environment.

Next, the control operation including the algorithm executed by the arithmetic unit (3) will be explained using flowcharts 1 to 3 in FIG. First, in step (101), turn on the clothing amount setting device (16).
) and the heat production setting device (17) are set, and step (10
In step 2), the output data of each sensor and setting device from the environment detector (1) is read, and in step (103), the data from the sensor (15) among them is used to determine whether the air in the living space is polluted. A judgment is made.

If the air is contaminated, in step (104), depending on the degree of contamination, an air purifier is activated (105) or a ventilation fan is activated (
106) Select one. Further, when the degree of contamination is low and the air purifier (54) has been operating for a long time, the air purifier operation (105) is switched to the ventilation fan operation (106).

When the air is not polluted, or after an air purifier or ventilation fan has been selected, the routine proceeds to step (107) for calculating the comfort level. Here the ISO DP7730 mentioned above
The comfort level PPD is calculated using a predetermined formula described in . The comfort level calculated here is within the preset comfort range 1, for example, the comfort level is 80% or higher, that is, 80 out of 100 people.
The step (
108), and there is no need to change the current environment within that range, so in step (109) all operating functions of the air conditioner (52) and humidifier (53) are stopped, Returning to the data reading step (102) from the next environmental detector (1). If the comfort level is outside the specified range, first consider energy saving and take step (1).
In step 10), a calculation is performed to determine whether the humidity is within the comfortable range by controlling the humidity. If it falls within the comfortable range, proceed to step (111) with the humidifying function (112) and dehumidifying function (11).
3) and outputs a dehumidification operation signal to the air conditioner (52) or a control signal to the humidifier (53). If the calculation in step (110) determines that humidity control does not fall within the comfortable range, temperature control is performed;
At step (114), it is determined whether the cooling function or the heating function is to be selected. If the heating function is selected, the process proceeds to step (115) and a heating operation command is output to the air conditioner (52). When the cooling function is selected in step (114), it is determined in step (116) whether or not the air conditioner (52) was operating in the blowing function or the cooling function immediately before. If neither air blowing nor cooling is being operated, in step (117) only the air blowing function of the air conditioner (52) is activated. This is expected to have a cooling effect by lowering the perceived temperature of residents by blowing air.

If the air conditioner (52) was operating with the blower function immediately before, it is determined in steps (1, 18) that it is, and the process proceeds to step (119), where the air conditioner's cooling weak air function operation command is output. do. If the air conditioner (52) was operating in the cooling weak wind function or the cooling strong wind function immediately before, it is determined in step (11g) and the steps (1, 20) (1
21), the cooling strong wind function operation command is sent to the air conditioner (52).
Output to.

In the manner described above, a function that provides a comfortable environment that exists in the environment control device (5) is selected, and the function is activated or deactivated. Thereafter, data from the environmental detector (1) near the resident can be read, and the control operation is repeated according to the above algorithm. To stop the entire operation, an interrupt is generated in the program of the computer (35) of the arithmetic unit (2) to issue a command to stop the indoor environment control equipment.

As described above, if the computing unit (3) shown in Figure 2 is operated according to the algorithm shown in Figure 3, the function of the environmental control device (4) that is most effective for providing a comfortable environment for the occupants will be selected. be done.

Figure 4 shows the results of an experiment conducted according to the algorithm shown in Figure 3.The setting range for the comfort level is 80% or more, and since it is summer, the outdoor temperature is 30℃ and the outdoor relative humidity is 70%. These are the measured results.

This figure shows that even though the occupants did not set the room temperature in any way, a comfortable environment was obtained with a room temperature of about 26°C and a relative temperature of about 55%. It also saves energy with an operating rate of 47%.

In the above description, specific environmental elements and specific environmental control functions were explained as examples, but it goes without saying that the present invention is not necessarily limited to these.

In addition, if a function is provided to display the outputs of each sensor of the environment detector (1), residents can accurately grasp the environmental condition, and a psychological effect can also be expected.

[Effects of the Invention] As described above, the present invention detects a plurality of environmental elements in the vicinity of a resident, calculates the comfort level of the environment from these, and determines whether the calculated comfort level is within a predetermined range. The system automatically determines which environmental conditions need to be changed in order to enter the range, and controls the environmental control equipment according to the determination results, so there is no need for any complicated setting operations. The environmental condition in the vicinity of the resident can be controlled so that it is always comfortable all year round regardless of the season, and the comfort control can be carried out promptly and appropriately in an energy-saving manner.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a schematic configuration diagram of this invention, FIG. 2 is a block diagram showing a hardware configuration of an embodiment of this invention, and FIG. 3 is a block diagram showing a control operation according to this embodiment. The flowchart shown in FIG. 4 is a diagram showing the results of an experiment conducted according to this embodiment. In the figure, (1) is an environment detector, (11) is a temperature sensor, (12) is a humidity sensor, (13) is a radiation sensor, (1
4) is a wind speed sensor, (15) is an air pollution sensor, (16)
) is a clothing amount setting device, (17) is a heat production amount setting device, (2) is a detection signal controller, (3) is a computing unit, (31) is a comfort degree calculation means, (32) is a judgment means, (33 ) is a control signal output means, (4) is a signal transmitter, (5) is an environmental control device,
(52) is an air conditioner, (53) is a humidifier, (54) is an air purifier, and (55) is a ventilation fan. The same reference numerals in the figures indicate the same or corresponding parts. Agent Masuo Oiwa (and 2 others) Figure 1 Figure 2 fl Death: 1 1, -J Revised No. 3rgJ Figure 4 Touma (with J-tou)

Claims (6)

[Claims] (1) An environmental detector consisting of multiple sensors that measures multiple environmental elements near the indoor occupant and outputs signals according to each environmental condition, and transmits the output signals of this environmental detector at regular time intervals. A detection signal controller that receives the transmission signal from this controller, processes and calculates this received data, and outputs it, a signal transmitter that transmits the output of this processor, and receives the signal from this signal transmitter. The computer is equipped with an environmental control device having multiple functions that changes the indoor environmental condition according to the calculation results of the calculation unit, and the calculation unit is equipped with an environment control device that changes the indoor environmental condition according to the calculation result of the calculation unit, and the calculation unit controls the indoor Means for calculating the comfort level of the environment based on a predetermined formula, means for determining whether the calculated comfort level is within a predetermined range, and which environmental state should be changed in order to fall within the predetermined range. , and means for outputting a control signal to an environment control device according to the determination result. (2) The indoor environment control device according to claim 1, wherein the plurality of environmental elements of the environment detector are five types: room temperature, humidity, wind speed, radiant temperature, and air pollution. (3) The above environmental control equipment includes cooling, heating, humidification, dehumidification,
The indoor environment control device according to claim 1 or 2, characterized in that the device has six types of functions: ventilation and air purification. (4) The amount of clothing and heat production of the resident can be set and input into the environment detector, and a signal corresponding to the amount of clothing and heat production can be output as data for calculating comfort level in the computing unit. An indoor environment control device according to claim 1, 2, or 3, wherein the indoor environment control device is configured as follows. (5) Any one of claims 1 to 4, characterized in that wireless transmission means such as light, sound waves, radio waves, etc. are used as the signal transmission means of the detection signal controller and signal transmitter. The indoor environment control device described. (6) The indoor environment control device according to any one of claims 1 to 5, wherein the environment detector is provided with a display unit that displays the current environmental state.