WO2014185013A1

WO2014185013A1 - Ventilation system, and control device

Info

Publication number: WO2014185013A1
Application number: PCT/JP2014/002278
Authority: WO
Inventors: 佐藤　実; 橋本　勝; 英亮山口
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2013-05-13
Filing date: 2014-04-23
Publication date: 2014-11-20
Also published as: JP2014222116A; CN105229389A; CN105229389B

Abstract

A ventilation system according to the present invention is provided with: ventilation equipment for ventilating a building; individual measurement instruments for measuring the air quality inside the building and the air quality outside the building; a plurality of distributed measurement instruments for respectively measuring the air quality at a plurality of observation sites within a monitored area including the building; and a control device. If the air quality outside the building is better than the air quality inside the building, the control device executes a normal operation which causes the ventilation equipment to operate. If the occurrence of an abnormality indicating that the air quality outside the building will have an abnormal value is predicted, on the basis of the air qualities respectively measured by the plurality of distributed measurement instruments, the control device ends the normal operation, and stops the ventilation equipment.

Description

Ventilation system and control device

The present invention relates to a ventilation system and a control device, and more particularly to a ventilation system that improves the air quality in a building by ventilating the building and a control device used therefor.

Conventionally, as a facility for improving the air quality of a target space, an air purifier is known that returns air purified by removing odor components, dust, and the like in the indoor air to the room again ( For example, see Reference 1 [Japanese Published Patent Publication No. 2008-36466].

The air purifier described in Literature 1 includes an air purifying unit including a prefilter, a plasma ionization unit, a photocatalytic filter, and a plasma catalytic filter, and removes foreign matters contained in the indoor air sucked from the suction port. To clean. In this air cleaner, dust or the like contained in the air flow that has passed through the prefilter is charged by the plasma ionization unit and adsorbed when passing through the photocatalytic filter.

In addition, in order to keep the indoor air quality optimal, it has ventilation equipment (ventilation function section) in addition to the air purification section, and selects and operates the air purification section and ventilation equipment so that the overall power consumption is reduced. Thus, an air cleaning device having means for processing is proposed (see, for example, Document 2 [Japanese Patent Publication No. 11-190549]).

In Literature 2, since the air purifying unit needs a dust removing unit for removing dust in the air in addition to the air blowing unit, the power consumption is larger than the ventilation equipment for the same processing air volume, and the inside / outside temperature is small, There is a description that it is energy saving to remove gas and dust with only ventilation equipment.

However, in the air cleaning device described in Document 2, the ventilation facility exchanges indoor air and outdoor air, so that it may not be effective in improving the air quality in the building (indoor) depending on the situation. For example, in a situation where there is air whose air quality shows an abnormal value around the building (hereinafter referred to as “contaminated air”), the ventilation facility will take contaminated air from outside the building into the building. . As a result, since the ventilation facility operates even though the effect of improving the air quality in the building cannot be expected, the ventilation facility wastes energy (electric power).

The present invention has been made in view of the above reasons, and an object of the present invention is to provide a ventilation system that can improve the air quality in the building by ventilating the building without wasting energy, and a control device used therefor. And

The ventilation system according to the present invention includes a ventilation facility, individual measuring devices, a plurality of distributed measuring devices, and a control device. The ventilation facility is configured to ventilate a building. The individual measuring instrument is configured to measure the air quality inside the building and the air quality outside the building. The plurality of distributed measuring devices are configured to measure air quality at a plurality of observation points in a monitoring area including the building, respectively. The control device includes a control unit that executes a normal operation of operating the ventilation facility if the air quality outside the building is better than the air quality inside the building. The control device further includes a prediction unit that predicts whether an abnormality in which the air quality outside the building indicates an abnormal value due to contaminated air occurs based on the air quality measured by each of the plurality of dispersion measuring instruments. Have. The control unit is configured to terminate the normal operation and stop the ventilation facility when the prediction unit predicts that the abnormality occurs.

The control device according to the present invention includes a first acquisition unit, a second acquisition unit, a control unit, and a prediction unit. The first acquisition unit is configured to acquire air quality inside the building and air quality outside the building. The second acquisition unit is configured to acquire the air quality of each of a plurality of observation points in a monitoring area including the building. The control unit is configured to execute a normal operation of operating a ventilation facility that ventilates the building if the air quality outside the building is better than the air quality inside the building. The prediction unit is configured to predict whether or not an abnormality in which the air quality outside the building shows an abnormal value due to contaminated air occurs based on the air quality of each of the plurality of observation points. . The control unit is configured to terminate the normal operation and stop the ventilation facility when the prediction unit predicts that the abnormality occurs.

1 is a schematic block diagram of a ventilation system according to Embodiment 1. FIG. FIG. 3 is a schematic plan view showing the arrangement of the dispersion measuring apparatus according to the first embodiment. It is a flowchart which shows the operation example of the ventilation system which concerns on Embodiment 1. FIG. It is a schematic explanatory drawing of the ventilation system which concerns on Embodiment 2. FIG.

(Embodiment 1)
The ventilation system of this embodiment is a system that is applied to a building and improves the air quality in the building by ventilating the building. Below, although the example where the ventilation system was applied to the detached house is shown, the building to which the ventilation system is applied is not limited to the detached house, and may be, for example, an apartment house, a store, an office building, a factory, or the like.

As shown in FIG. 1, the ventilation system 10 includes a ventilation facility 2 for ventilating a building 1, an individual measuring device 3, a control device 4, a plurality of distributed measuring devices M 1, M 2, M 3. Are not referred to as “dispersion measuring device M0”).

The ventilation system 10 illustrated in FIG. 1 further includes an air purifier 61 and an air conditioner (air conditioner) 62 as air conditioners.

In the example of FIG. 1, the building 1 is further provided with a user terminal 71, a power meter 72, and network devices 73 and 74. The control device 4 and the network devices 73 and 74 are connected to the Internet 8 via the router 75, and a management device 91 and a server 92 are connected to the Internet 8.

The individual measuring instrument 3 measures the air quality inside and outside the building 1.

The control device 4 controls the ventilation facility 2 based on the measurement result of the individual measuring instrument 3, and operates the ventilation facility 2 when the air quality outside the building 1 is better than the air quality inside the building 1.

A plurality of distributed measuring instruments M1, M2, M3... Are connected to a plurality of observation points P1, P2, P3... In the monitoring area set around the building 1 (hereinafter referred to as “observation points P0 if they are not distinguished from each other). ”) And the air quality at each observation point P0 is measured. That is, the plurality of distributed measuring devices M0 measure the air quality at the plurality of observation points P0 in the monitoring area 100 including the building 1, respectively.

The air quality mentioned here is one of SOx, NOx, particulate matter (PM), volatile organic compounds (VOC) and other air pollutants, CO, CO ₂ , odor, pollen, etc. Means the component concentration in the air for more than one. However, the individual measuring instrument 3 and each of the dispersion measuring instruments M1, M2, M3... Are configured to measure information on the air environment such as temperature and humidity in addition to the air quality. Note that the volatile organic compound includes one or more of formaldehyde, benzene, toluene, xylene, styrene, and the like.

The control device 4 determines whether or not air whose air quality indicates an abnormal value (hereinafter referred to as “contaminated air”) reaches the building 1 based on the measurement results of the plurality of distributed measuring instruments M1, M2, M3. It has the prediction part 411 which predicts. The control device 4 is configured to stop the ventilation facility 2 regardless of the measurement result of the individual measuring device 3 when the prediction unit 411 predicts the arrival of contaminated air.

According to Japanese Ministry of Health, Labor and Welfare, for example, 0.10 mg / ^{m 3} or less for formaldehyde, total volatile organic compounds: for (TVOC Total Volatile Organic Compounds) are the indoor concentration indicating value 0.40 mg / ^{m 3} or less. According to Chinese indoor air mass standards (GB18883), 0.08mg / ^{m 3} or less for the formaldehyde, 0.11 mg / ^{m 3} or less for benzene, 0.60 mg / ^{m 3} or less for the total volatile organic compounds It is an index value. In the present embodiment, as an example, air whose air quality deviates from the range indicated by these index values is treated as contaminated air whose air quality indicates an abnormal value.

However, the abnormal value of air quality is not limited to the value determined by these index values, and for example, the air quality in a state worse than the air quality in the building 1 may be used as the abnormal value. That is, the control device 4 uses the air quality in the building 1 measured by the individual measuring instrument 3 as a reference value, air that shows a higher (bad) value than the reference value, and air quality that shows an abnormal value. It may be treated as contaminated air.

The air purifier 61 and the air conditioner 62 are air conditioners that are provided in the building 1 separately from the ventilation facility 2 and improve the air quality in the building 1. The air conditioner 62 improves air quality by, for example, removing airborne particles in the air with a filter or reducing the amount of VOC scattering by lowering the temperature. In the present embodiment, the control device 4 further has a function of controlling the air conditioning equipment (the air purifier 61 and the air conditioner 62), and is configured to operate the air conditioning equipment at least during a period in which the ventilation equipment 2 is stopped. Yes.

The control device 4 uses the user terminal 71 as a user interface for displaying various information and receiving operation inputs from the user. Here, the user terminal 71 is a terminal such as a smartphone or a tablet terminal that can be carried by the user and has a communication function with the control device 4.

The power measuring instrument 72 is configured to measure the power supplied from the system power supply (commercial power supply) for each main system and branch system. Specifically, a main breaker (not shown) and a plurality of branch breakers (not shown) are housed in a distribution board (not shown) provided in the building 1, and the power meter 72 is Power consumption is measured for each main system including the main circuit breaker and each main system including each branch breaker. The power meter 72 is connected to the control device 4, and the control device 4 can display the measurement result of the power meter 72 on the user terminal 71, for example.

The network devices 73 and 74 are, for example, a television receiver or a network camera. The control device 4 further has a function of controlling these network devices 73 and 74, and can be used to display various types of information in the same manner as the user terminal 71, for example.

As described above, in this embodiment, the control device 4 controls not only the ventilation facility 2 but also various devices and facilities provided in the building 1 and visualizes the power consumption measured by the power meter 72 ( Visualize). In other words, the control device 4 functions as a controller for HEMS (Home Energy Management System).

The management device 91 is composed of a computer and has a function of centrally managing the information of the monitoring area. The management device 91 may be provided for each monitoring area set around the building 1, or may be provided for each wide management area including a plurality of monitoring areas.

The server 92 is composed of, for example, a weather forecast server, and has a function of providing at least information regarding the wind direction and wind speed of the observation point P0 to the control device 4. In the present embodiment, the control device 4 further includes an acquisition unit 414 that acquires information on the wind direction and wind speed at the observation point P0 from the server 92, and the prediction unit 411 uses the information acquired by the acquisition unit 414 to perform prediction. Configured to do. The server 92 provides the control device 4 with the temperature and humidity in addition to the wind direction and wind speed at the observation point P0.

Hereinafter, specific modes of the ventilation system 10 of the present embodiment will be described.

The ventilation facility 2 has a power source such as a motor (not shown), and exchanges air between the inside and outside of the building 1 with power generated by the power source by consuming electrical energy (electric power). The building 1 is ventilated by performing (replacement). For example, the ventilation facility 2 may be a duct type that ventilates using a duct that passes through the back of the ceiling, or may be a wall-mounted type that is attached to the wall of the building 1. In addition, when there is a classification such as type 1 ventilation, type 2 ventilation, type 3 ventilation as the type of ventilation, for example, the type of ventilation of the ventilation facility 2 is type 1 ventilation, type 2 ventilation, type 3 ventilation. Any of seed ventilation may be used. For example, one or a plurality of ventilation facilities 2 may be provided for each room. In the present embodiment, it is assumed that one ventilation facility 2 is provided for one building 1. To do.

The ventilation facility 2 has a communication function with the control device 4 and is configured to at least switch between operation and stop according to a control signal transmitted from the control device 4. Further, the ventilation facility 2 has a function of determining the ventilation air volume (strong / weak) in accordance with a control signal from the control device 4.

The individual measuring instrument 3 includes one or more sensors that detect information related to air quality, such as an SOx sensor, a NOx sensor, a suspended particle sensor, a VOC sensor, a CO ₂ sensor, and an odor sensor, and a temperature sensor and a humidity sensor. It is composed of multiple combinations. Since the individual measuring device 3 measures the air quality for each of the inside and outside of the building 1, the individual measuring device 3 includes the above-described sensors inside and outside the building 1. Here, a sensor provided in the building 1 is an indoor sensor 31, and a sensor provided outside the building 1 is an outdoor sensor 32. The indoor sensor 31 is attached to an indoor wall or the like, and the outdoor sensor 32 is attached to an outer wall or the like of the building 1.

The individual measuring instrument 3 has a communication function with the control device 4 and outputs a measurement result to the control device 4 periodically or as a response to a request from the control device 4. The individual measuring device 3 outputs the measurement result of the indoor sensor 31 and the measurement result of the outdoor sensor 32 each including a plurality of items as a set to the control device 4.

Each distributed measuring instrument M0, like the individual measuring instrument 3, is one or more sensors that detect information related to air quality, such as SOx sensors, NOx sensors, suspended particle sensors, VOC sensors, CO ₂ sensors, and odor sensors. And a combination of a temperature sensor and a humidity sensor. Here, a plurality of distributed measuring instruments M1, M2, M3... Arranged in the monitoring area 100 constitute a measuring instrument group 5.

The distributed measuring instruments M1, M2, M3,... Belonging to the group of measuring instruments 5 are each sensor nodes and operate in cooperation with each other, and information on air quality at a plurality of observation points P0 set in the monitoring area 100. A sensor network that can collect data. In this embodiment, the distributed measuring instruments M1, M2, M3... Are connected to the Internet 8, and the measurement results of the distributed measuring instruments M1, M2, M3. Therefore, each distributed measuring instrument M0 has a communication function with the management apparatus 91, and outputs a measurement result to the management apparatus 91 periodically or as a response to a request from the management apparatus 91.

The monitoring area 100 is an area of a predetermined range set around the building 1 as shown in FIG. In the example of FIG. 2, the monitoring area 100 is set in a substantially circular range centered on the building 1 so as to include a plurality of observation points P0 located on the concentric circles C1 and C2 centered on the building 1. Yes. The dispersion measuring instruments M1, M2, M3,... Are distributed at these observation points P1, P2, P3,. In FIG. 2, distributed measuring instruments M1 to M8 are arranged at eight observation points P1 to P8 set at a first distance from the building 1, and are at a second distance (> first distance) from the building 1. Dispersion measuring devices M9 to M16 are arranged at eight observation points P9 to P16. As an example, it is assumed that the first distance is 2 km and the second distance is 4 km.

The plurality of dispersion measuring instruments M0 includes a set of dispersion measuring instruments M0 in the same direction with respect to the building 1 (a plurality of sets in the present embodiment). Further, in the example of FIG. 2, the dispersion measuring instruments M1 to M16 are arranged at equiangular intervals in the eight directions of north, northeast, east, southeast, south, southwest, west, and northwest with the building 1 as the center. Here, the dispersion measuring instrument M1 and the dispersion measuring instrument M9 are north of the building 1, the dispersion measuring instrument M2 and the dispersion measuring instrument M10 are northeast of the building 1, the dispersion measuring instrument M3 and the dispersion measuring instrument M11 are east of the building 1, and the dispersion measuring is performed. The instrument M4 and the dispersion measuring instrument M12 are arranged in the southeast of the building 1, respectively. Similarly, the dispersion measuring instrument M5 and the dispersion measuring instrument M13 are the south of the building 1, the dispersion measuring instrument M6 and the dispersion measuring instrument M14 are the southwest of the building 1, and the dispersion measuring instrument M7 and the dispersion measuring instrument M15 are the west of the building 1. The instrument M8 and the dispersion measuring instrument M16 are arranged in the northwest of the building 1, respectively.

As described above, the plurality of dispersion measuring instruments M0 includes a plurality of outer dispersion measuring instruments M1 to M8 and a plurality of inner dispersion measuring instruments M9 to M16 respectively associated with the plurality of outer dispersion measuring instruments M1 to M8. And including. The plurality of outer dispersion measuring instruments M9 to M16 are on the circumference of the first circle C1 with the building 1 as the center. The plurality of inner dispersion measuring instruments M1 to M8 are on the circumference of the second circle C2 with the building 1 as the center. The radius of the second circle C2 is smaller than the radius of the first circle C1. Each of the plurality of inner dispersion measuring instruments M1 to M8 is on a straight line connecting the building 1 with the corresponding outer dispersion measuring instrument among the plurality of outer dispersion measuring instruments M9 to M16.

The measuring instrument group 5 is distributed in the monitoring area 100 set around the building 1 in this manner, so that the measurement results of the plurality of distributed measuring instruments M1 to M16 are distributed. From this, it is possible to monitor the distribution of air quality in the monitoring area 100. Since the measurement results of the plurality of distributed measuring instruments M1 to M16 are centrally managed by the management device 91, the management device 91 can monitor the air quality distribution in the monitoring area 100.

In addition, when sensor devices that detect information related to air quality are already installed at each observation point P0, the dispersion measuring instruments M1 to M16 may use these existing sensor devices. Alternatively, when a building exists at each observation point P0, the dispersion measuring instruments M1 to M16 may use the outdoor sensor 32 of the individual measuring instrument 3 provided in each building.

Since the individual measuring instruments of each building are connected to the Internet 8 via the control device 4, even when the individual measuring instrument 3 is used for the distributed measuring instruments M1 to M16, the management apparatus 91 has a plurality of distributed measuring instruments. The measurement results of M1 to M16 can be centrally managed.

The air conditioning equipment (the air purifier 61 and the air conditioner 62) is a device that maintains the interior of the building 1 in a comfortable state by adjusting the temperature, humidity, cleanliness, airflow, and the like of the air in the building 1 by a method other than ventilation. In addition to the air purifier 61 and the air conditioner 62, the air conditioning equipment (air conditioner) may be, for example, a cooling / heating device such as floor heating, a dehumidifier, a humidifier, or a circulator. However, the air conditioner here includes only a device that consumes energy such as electric power and gas during operation, and does not include a device that does not consume any energy during operation. In addition, the air conditioning equipment consumes more power than the ventilation equipment 2.

The air conditioning facility has a communication function with the control device 4 and is configured to perform at least switching between operation and stop according to a control signal transmitted from the control device 4. Furthermore, the air conditioning equipment also has a function of determining the operating air volume (strong / weak) and the set temperature in accordance with a control signal from the control device 4.

As shown in FIG. 1, the control device 4 includes a processing unit 41 that performs various processes, a first communication interface (hereinafter, “interface” is expressed as “I / F”) 42, and a second communication I / O. F43, a storage unit 44, and a clock unit 45 are provided. In the present embodiment, the control device 4 has a computer as a main configuration, and executes the program stored in the storage unit 44 to realize the functions of the respective units. The control device 4 is installed by reading the above program from a recording medium or by downloading it from a center server (not shown) via the Internet 8.

The first communication I / F 42 has a function of communicating with various devices and facilities provided in the building 1. Here, the first communication I / F 42 communicates bidirectionally with the ventilation facility 2, the air conditioning facility (the air purifier 61 and the air conditioner 62), the user terminal 71, and the individual measuring device 3. The first communication I / F 42 is used as a first acquisition unit that acquires the air quality inside the building 1 and the air quality outside the building 1 (from the individual measuring device 3). In the present embodiment, the first communication I / F 42 communicates with the ventilation facility 2 and the like by wireless communication using radio waves as a transmission medium, but between the control device 4 (first communication I / F 42) and the ventilation facility 2 and the like. The communication is not limited to wireless communication but may be wired communication.

The second communication I / F 43 has a function of bidirectionally communicating with the management device 91 and the server 92 on the Internet 8. The second communication I / F 43 is connected to the Internet 8 via the router 75 and performs communication conforming to Ethernet (registered trademark). The second communication I / F 43 is used as a second acquisition unit that acquires (from the management device 91) the air quality of each of the plurality of observation points P0 in the monitoring area 100 including the building 1. Further, the second communication I / F 43 also has a communication function with the network devices 73 and 74.

The storage unit 44 stores various data including position information (distance and direction from the building 1) of the observation points P1 to P16 where the dispersion measuring devices M1 to M16 are arranged. The position information of the observation point P0 may be expressed by latitude and longitude. Further, in the present embodiment, the storage unit 44 stores data including history of measurement results of the plurality of dispersion measuring instruments M1 to M16. That is, the memory | storage part 44 memorize | stores the log | history of the air quality each measured with the several dispersion | distribution measuring device M0.

The clock unit 45 measures the current time. In the present embodiment, the clock unit 45 has a calendar function and measures the date and the current time.

The processing unit 41 includes a ventilation control unit 412 that controls the ventilation facility 2. Here, since the first communication I / F 42 has a communication function with the ventilation facility 2, the ventilation control unit 412 transmits the control signal from the first communication I / F 42 to the ventilation facility 2. Control. Further, the ventilation control unit 412 receives a monitoring signal indicating the operating state of the ventilation facility 2 (operation / stoppage, ventilation air volume, etc.) from the ventilation facility 2 by the first communication I / F 42, thereby providing the ventilation facility 2. Monitor the operating status of

As a basic operation of the ventilation control unit 412, the measurement result of the individual measuring instrument 3 is operated so that the ventilation facility 2 is operated when the air quality outside the building 1 is better than the air quality inside the building 1. Based on the above, the ventilation facility 2 is controlled. On the other hand, when the air quality outside the building 1 is better than the air quality outside the building 1, the ventilation control unit 412 is based on the measurement result of the individual measuring instrument 3 so as to stop the ventilation equipment 2. To control the ventilation facility 2. That is, the ventilation control unit 412 is configured to execute an operation (normal operation) for operating the ventilation facility 2 if the air quality outside the building 1 is better than the air quality inside the building 1. In this normal operation, the ventilation control unit 412 does not operate the ventilation facility 2 if the air quality outside the building 1 is worse than the air quality inside the building 1. Here, since the first communication I / F 42 has a communication function with the individual measuring instrument 3, the ventilation control unit 412 acquires the measurement result of the individual measuring instrument 3 by the first communication I / F 42, and the acquired measurement. The ventilation facility 2 is controlled based on the result.

As a specific example, the temperature and humidity are the same inside and outside the building 1 (temperature 22 ° C., humidity 45%), the VOC concentration is 2.2 mg / m ³ inside the building 1, and 1.0 mg outside the building 1 In the case of / m ³ , the ventilation control unit 412 operates the ventilation facility 2 to ventilate the building 1. At this time, since the ventilation system 10 improves the air quality in the building 1 by using the ventilation facility 2 that consumes less power than the air conditioning facility, it saves energy compared to the case where the air conditioning facility is used. Thereafter, when the VOC concentration becomes the same inside and outside the building 1, the ventilation control unit 412 stops the ventilation facility 2.

Further, the processing unit 41 determines whether or not the polluted air whose air quality shows an abnormal value reaches the building 1 based on the measurement results of the plurality of distributed measuring instruments M1 to M16 constituting the group of measuring instruments 5. It has the prediction part 411 which predicts. That is, the predicting unit 411 predicts whether or not an abnormality in which the air quality outside the building 1 shows an abnormal value due to contaminated air occurs based on the air quality measured by each of the plurality of dispersion measuring instruments M0. It is configured. Here, since the second communication I / F 43 has a communication function with the management device 91, the prediction unit 411 uses the second communication I / F 43 to measure the measurement results of the plurality of distributed measuring devices M1 to M16. And whether or not contaminated air reaches the building 1 is predicted based on the acquired measurement result.

For example, when the polluted air generated outside the monitoring area 100 is heading toward the building 1, the measuring instrument group 5 starts with the distributed measuring instruments M9 to M9 on the far side (outside) (at a second distance from the building 1). The air quality measured by any of M16 will show an abnormal value. Thereafter, the measuring instrument group 5 performs the distributed measurement (at the first distance from the building 1) on the short distance side (inside) located between the building 1 and the dispersion measuring instruments M9 to M16 that first detect the contaminated air. The air quality measured by the devices M1 to M8 shows an abnormal value. In other words, if the contaminated air is directed toward the building 1, the outer dispersion measuring instrument M0 and the inner dispersion measuring instrument M0 located in the same direction as viewed from the building 1 will sequentially measure abnormal values.

Therefore, when the outer dispersion measuring instrument M0 and the inner dispersion measuring instrument M0 located in the same direction as viewed from the building 1 sequentially measure abnormal values in this way, the predicting unit 411 causes the contaminated air to be in the building 1 Predicted to reach

The prediction unit 411 has a dispersion in which the air quality measured by a set of dispersion measuring instruments M0 (for example, a set of dispersion measuring instruments M2 and M10) during the determination time is farthest from the building 1 in the set of dispersion measuring instruments M0. If abnormal values are shown in order from the measuring instrument M0 (for example, M10) to the distributed measuring instrument M0 (for example, M2) closest to the building 1, it is predicted that an abnormality will occur. In other words, the predicting unit 41 determines that the outer dispersion measuring device M0 (for example, M10) in which the air quality shows an abnormal value within the determination time after the air quality measured by the outer dispersion measuring device M0 shows the abnormal value. If the air quality measured by the inner dispersion measuring device M0 (for example, M2) associated with () indicates the abnormal value, it is predicted that an abnormality will occur.

Note that the determination time is determined in consideration of the moving speed of the contaminated air. Even if the air quality measured with the dispersion measuring instrument M0 farthest from the building 1 shows an abnormal value, the air quality measured with the dispersion measuring instrument M0 closest to the building 1 shows an abnormal value. Otherwise, it is considered that there is no possibility that contaminated air reaches the building 1.

The ventilation control unit 412 has a function of controlling the ventilation facility 2 based on the prediction result of the prediction unit 411 in addition to the function of controlling the ventilation facility 2 based on the measurement result of the individual measuring device 3. When the prediction unit 411 predicts that the contaminated air reaches the building 1, the ventilation control unit 412 stops the ventilation facility 2 regardless of the measurement result of the individual measuring device 3. That is, the ventilation control unit 412 is configured to terminate the normal operation and stop the ventilation facility 2 when the prediction unit 411 predicts that an abnormality will occur. In this way, the ventilation control unit 412 gives priority to the prediction result of the prediction unit 411 over the measurement result of the individual measuring device 3 and stops the ventilation facility 2 when the arrival of contaminated air is predicted by the prediction unit 411. The ventilation facility 2 is controlled so that

Furthermore, in this embodiment, the process part 41 has the air-conditioning control part 413 which controls an air-conditioning installation. Here, since the first communication I / F 42 has a communication function with the air conditioning equipment (the air purifier 61 and the air conditioner 62), the air conditioning control unit 413 transmits a control signal from the first communication I / F 42 to the air conditioning equipment. By controlling the air conditioning equipment. Furthermore, the air-conditioning control unit 413 receives the monitoring signal indicating the operation state of the air-conditioning equipment (operation / stoppage, operating air volume, etc.) from the air-conditioning equipment through the first communication I / F 42, thereby To monitor.

The air conditioning control unit 413 is configured to operate the air conditioning equipment at least during a period in which the ventilation equipment 2 is stopped. That is, the air conditioning control unit 413 operates the air conditioning equipment during a period in which the ventilation control unit 412 stops the ventilation equipment 2. That is, when the air quality outside the building 1 is better than the air quality outside the building 1 in the measurement result of the individual measuring instrument 3, and when the prediction unit 411 predicts that the contaminated air reaches the building 1 The air conditioning control unit 413 controls the air conditioning equipment to operate. Thereby, before the contaminated air reaches the building 1, the ventilation system 10 can stop the ventilation facility 2 and switch to improvement of air quality by the air conditioning facility. In addition, when operating the air cleaner 61, the air-conditioning control part 413 circulates the air in the building 1 by operating the air conditioner 62 in the air blowing mode, and improves the air quality improvement efficiency by the air cleaner 61. Also good.

In the present embodiment, the ventilation control unit 412 and the air conditioning control unit 413 constitute a control unit that executes an improvement operation for improving the air quality in the building 1. As will be described later, the air conditioning control unit 413 is not essential. Therefore, only the ventilation control unit 412 may constitute the control unit.

In the present embodiment, the prediction unit 411 further has a function of predicting the timing when the contaminated air reaches the building 1 when the arrival of the contaminated air is predicted. It is configured to stop the ventilation facility 2 in accordance with the performed timing. That is, when the prediction unit 411 predicts that the contaminated air reaches the building 1 (that is, when it is predicted that an abnormality will occur), the timing at which the contaminated air reaches the building 1 (hereinafter referred to as “arrival timing”). Also predict.

That is, the prediction unit 411 reaches the contaminated air when the outer dispersion measuring device M0 and the inner dispersion measuring device M0 located in the same direction as viewed from the building 1 sequentially measure abnormal values as described above. Predict timing. In this case, for example, the predicting unit 411 causes the contaminated air to reach the building 1 based on the time when the outer dispersion measuring device M0 measures the abnormal value and the time when the inner dispersion measuring device M0 measures the abnormal value. Time (arrival timing) is predicted. That is, when it takes five minutes from the time when the outer dispersion measuring instrument M9 measures the abnormal value to the time when the inner dispersion measuring instrument M1 measures the abnormal value, the prediction unit 411 determines that the inner dispersion measuring instrument M1 is abnormal. A further 5 minutes after measuring the value is predicted as the arrival timing. Note that the prediction unit 411 may represent the arrival timing based on the time it takes for the contaminated air to reach the building 1 instead of the time.

The ventilation control unit 412 stops the ventilation facility 2 regardless of the measurement result of the individual measuring device 3 when the current time measured by the clock unit 45 comes before the specified time of the arrival timing predicted by the prediction unit 411. . Here, the specified time is a time set in anticipation that contaminated air reaches the building 1 earlier than the arrival timing predicted by the prediction unit 411, and is arbitrarily set by the user. That is, the ventilation control unit 412 does not stop the ventilation facility 2 immediately when the prediction unit 411 predicts that the contaminated air reaches the building 1, but stops the ventilation facility 2 in accordance with the arrival timing.

In the present embodiment, the processing unit 41 further includes an acquisition unit 414 that acquires information regarding the wind direction and wind speed of the observation point P0, and the prediction unit 411 uses the information acquired by the acquisition unit 414 to perform prediction. Is configured to do.

That is, the acquisition unit 414 acquires information on the wind direction and the wind speed at each of the plurality of observation points P0. The prediction unit 411 predicts whether an abnormality will occur using the information acquired by the acquisition unit 414.

Here, since the second communication I / F 43 has a communication function with the server 92, the acquisition unit 414 acquires information on the wind direction and the wind speed at the observation point P0 from the server 92 by the second communication I / F 43.

The storage unit 44 stores in advance position information (distance and direction from the building 1) of the observation points P1 to P16 where the dispersion measuring devices M1 to M16 are arranged, and the prediction unit 411 The moving direction and moving speed of air can be predicted based on the information acquired from the server 92. Therefore, the prediction unit 411 predicts whether or not the contaminated air reaches the building 1 based on the predicted moving direction and moving speed of the air and the measurement results of the plurality of dispersion measuring instruments M1 to M16. . Further, when the predicting unit 411 predicts that the contaminated air reaches the building 1, the predicting unit 411, based on the predicted moving direction and moving speed of the air and the measurement results of the plurality of dispersion measuring instruments M1 to M16, Predict arrival timing.

When the prediction unit 411 performs the prediction based on the position information of the observation point P0 and the information on the wind direction and the wind speed in this way, the dispersion measuring devices M1 to M1 in which the contaminated air is inside (at the first distance from the building 1) The timing to reach M8 can also be predicted. In other words, when the dispersion measuring instruments M9 to M16 on the outer side (at the second distance from the building 1) measure abnormal values, the prediction unit 411 not only has a timing (arrival timing) when the contaminated air reaches the building 1, The timing at which contaminated air reaches the inner dispersion measuring instruments M1 to M8 can also be predicted.

Furthermore, in the present embodiment, the control device 4 learns the contaminated air diffusion pattern from the history of the measurement results of the plurality of dispersion measuring instruments M1 to M16 stored in the storage unit 44, and performs the prediction in the prediction unit 411. It is comprised so that it may be used for. That is, the prediction unit 411 is configured to predict whether or not an abnormality will occur using the polluted air diffusion pattern obtained from the history stored in the storage unit 44.

Specifically, the storage unit 44 records the history of the measurement results of a plurality of distributed measuring instruments M1 to M16, the date (or season) at the time of measurement, the current time, and various environmental conditions (temperature, humidity, wind direction, wind speed). ) For a certain period (for example, one month). The diffusion pattern of the contaminated air is not uniquely determined, and may vary greatly depending on, for example, the terrain or weather in the monitoring area. Therefore, the control device 4 predicts the diffusion pattern of the contaminated air learned from the past history by the prediction unit 411. By using this, the prediction accuracy is improved.

Further, in the present embodiment, the control device 4 uses the individual measuring instrument 3 to determine the air quality outside the building 1 from the air quality inside the building 1 after a predetermined time has elapsed since the prediction unit 411 predicted the arrival of contaminated air. When the measurement result that the direction is better is obtained, the ventilation facility 2 is configured to restart. That is, the control unit (ventilation control unit 412) is configured to resume normal operation when a predetermined time has elapsed after the prediction unit 411 predicts that an abnormality will occur. That is, when the prediction unit 411 predicts the arrival of contaminated air, the control device 4 temporarily stops the ventilation facility 2, but the contaminated air reaches the building 1 even after a predetermined time (for example, 5 minutes) has elapsed. If not, the ventilation control unit 412 restarts the ventilation facility 2.

In the present embodiment, the control device 4 further has a function as the arrival prediction unit 415 in the processing unit 41. The arrival prediction unit 415 will be described later.

Next, the operation of the ventilation system 10 of this embodiment will be described with reference to FIG. Here, it is assumed that the air quality outside the building 1 is better than the air quality inside the building 1 and the control device 4 operates the ventilation facility 2 based on the measurement result of the individual measuring device 3. explain. Further, it is assumed that the control device 4 monitors (confirms) the measurement results of the individual measuring instrument 3 and the dispersion measuring instruments M1 to M16 periodically (for example, every minute).

In this case, when any of the dispersion measuring instruments M9 to M16 on the outer side (at the second distance from the building 1) measures an abnormal value (S1: Yes), the control device 4 first starts the wind direction and the wind speed from the server 92. The information regarding is acquired (S2). Here, it is assumed that the dispersion measuring device M16 located in the northwest of the building 1 measures an abnormal value, the wind direction at that time is “northwest”, and the wind speed is “10 m / s”.

The control device 4 predicts whether or not the contaminated air reaches the building 1 based on the measurement results of the dispersion measuring instruments M1 to M16 and the information acquired in the process S2 (S3). When it is predicted that the contaminated air will reach the building 1 (S3: Yes), the control device 4 predicts the arrival timing of the contaminated air (S4). In the process S4, the predicting unit 411 is not only the timing when the contaminated air reaches the building 1, but also the dispersion located between the dispersion measuring instrument M16 and the building 1 (that is, the first distance from the building 1 and northwest). The timing at which contaminated air reaches the measuring instrument M8 is also predicted.

Here, as an example, since the distance from the dispersion measuring instrument M16 to the dispersion measuring instrument M8 is 2 km and the wind speed is 10 m / s, the prediction unit 411 determines the timing at which the contaminated air reaches the dispersion measuring instrument M8. It is predicted that 200 seconds after M16 has measured the abnormal value. Similarly, since the distance from the dispersion measuring instrument M16 to the building 1 is 4 km and the wind speed is 10 m / s, the prediction unit 411 measures the timing when the contaminated air reaches the building 1 and the dispersion measuring instrument M16 measures the abnormal value. It is predicted that 400 seconds later.

Thereafter, the control device 4 shortens the period for monitoring the measurement results of the individual measuring instrument 3 and the dispersion measuring instruments M1 to M16 (for example, every minute is set to every 10 seconds), and strengthens air quality monitoring (S5). . At this time, the control device 4 has only to strengthen the monitoring (shortening the monitoring cycle) for at least the individual measuring device 3 and the dispersion measuring device M8 where the arrival of contaminated air is predicted, and all the dispersion measuring devices M0. There is no need to strengthen monitoring. In addition, when considering the diffusion (spreading) of the contaminated air, the control device 4 includes the dispersion measuring devices M1 and M7 around the dispersion measuring device M8 where the arrival of the contaminated air is predicted as targets for strengthening the monitoring. Also good.

Thereafter, when the dispersion measuring instrument M8 on the inner side (at the first distance from the building 1) measures an abnormal value (S6: Yes), the control device 4 detects that the contaminated air is in the building 1 in accordance with the arrival timing of the contaminated air. The ventilation equipment 2 is stopped before reaching (S7), and the air conditioning equipment is operated (S8). At this time, the control device 4 determines the prediction unit based on the difference between the timing when the contaminated air predicted by the prediction unit 411 reaches the dispersion measuring device M8 and the timing when the dispersion measuring device M8 actually measures the abnormal value. The timing at which the contaminated air predicted at 411 reaches the building 1 is corrected.

Note that the control device 4 does not measure abnormal values with the outer dispersion measuring instruments M9 to M16 (S1: No), or predicts that the contaminated air does not reach the building 1 by the prediction unit 411 (S3: No). ), Return to S1 and execute the process. Further, when the abnormal value is not measured by the inner dispersion measuring instruments M1 to M8 (S6: No), the control device 4 returns to S6 and executes the process.

As another example of operation, the control device 4 determines that one of the outer dispersion measuring instruments M9 to M16 has an abnormal value depending on the distance from the outer dispersion measuring instruments M9 to M16 to the building 1, the wind direction, the wind speed, or the like. When measuring, the ventilation facility 2 may be stopped immediately. In this case, the control device 4 first stops the ventilation facility 2 before predicting whether or not contaminated air reaches the building 1. At that time, the control device 4 shortens the period for monitoring the measurement results of the individual measuring instrument 3 and the dispersion measuring instruments M1 to M16, and strengthens the air quality monitoring. Therefore, the control device 4 does not take much time for the contaminated air to reach the building 1 after any of the outer dispersion measuring instruments M9 to M16 has measured an abnormal value. The ventilation equipment 2 can be stopped before reaching.

After that, if the inner dispersion measuring instruments M1 to M8 or the individual measuring instrument 3 measure an abnormal air quality value outside the building 1 within a predetermined time (judgment time), the control device 4 stops the ventilation equipment 2 The air conditioning equipment is operated as it is.

On the other hand, when the predetermined time (determination time) has passed without any of the inner dispersion measuring instruments M1 to M8 and the individual measuring instrument 3 measuring abnormal air quality values outside the building 1, the control device 4 The equipment 2 is restarted. Even when the ventilation equipment 2 is restarted, the control device 4 strengthens air quality monitoring until the measurement results of the dispersion measuring instruments M9 to M16 that first measured the abnormal values return to normal values (monitoring). It is desirable to continue the state of shortening the cycle.

As another example of operation, the control device 4 performs individual measurement after any of the outer dispersion measuring instruments M9 to M16 measures an abnormal value and before the inner dispersion measuring instruments M1 to M8 measure the abnormal value. When the vessel 3 measures an abnormal air quality value outside the building 1, the ventilation facility 2 may be stopped immediately. At this time, the control device 4 switches to improvement of air quality by the air conditioning equipment by operating the air conditioning equipment while stopping the ventilation equipment 2. Therefore, the control device 4 can stop the ventilation facility 2 as soon as the contaminated air reaches the building 1 even when no abnormal value is measured by the inner dispersion measuring instruments M1 to M8.

Alternatively, when the dispersion measuring instruments M1 to M8 on the inner side measure abnormal values, the control device 4 immediately stops the ventilation equipment 2 and activates the air conditioning equipment regardless of the arrival timing predicted by the prediction unit 411. It may be configured. In this case, even if it is difficult to predict the diffusion of the contaminated air, the control device 4 stops the ventilation facility 2 when the contaminated air reaches the inner dispersion measuring instruments M1 to M8. The ventilation equipment 2 can be stopped reliably before reaching.

The ventilation system 10 having the above-described configuration is based on the ventilation equipment 2 that ventilates the building 1, the individual measuring device 3 that measures the air quality inside and outside the building 1, and the ventilation based on the measurement results of the individual measuring device 3. A control device 4 that controls the facility 2 and operates the ventilation facility 2 when the air quality outside the building 1 is better than the air quality inside the building 1, and a monitoring area 100 set around the building 1 And a plurality of dispersion measuring devices M0 that are arranged at a plurality of observation points P0 and that measure the air quality at each observation point P0. The control device 4 includes a prediction unit 411 that predicts whether or not contaminated air whose air quality has an abnormal value reaches the building 1 based on the measurement results of the plurality of dispersion measuring instruments M0. Furthermore, the control device 4 is configured to stop the ventilation facility 2 regardless of the measurement result of the individual measuring device 3 when the prediction unit 411 predicts the arrival of contaminated air.

In other words, the control device 4 controls the ventilation facility 2 that ventilates the building 1 based on the measurement result of the individual measuring device 3 that measures the air quality inside and outside the building 1, A control device that operates the ventilation facility 2 when the air quality outside the building 1 is better than the air quality, and is distributed to a plurality of observation points P0 in the monitoring area 100 set around the building 1 Prediction unit that predicts whether or not contaminated air whose air quality shows an abnormal value arrives at building 1 based on the measurement results of a plurality of distributed measuring devices M0 that are arranged and measure the air quality at each observation point P0 411, when the prediction unit 411 predicts the arrival of contaminated air, the ventilation facility 2 is stopped regardless of the measurement result of the individual measuring instrument 3.

Therefore, in a situation where contaminated air exists around the building 1, the control device 4 predicts that in advance and stops the ventilation facility 2, and the contaminated air is taken into the building 1 from outside the building 1. Can be avoided. In short, when the air quality outside the building 1 is better than the air quality inside the building 1, the ventilation system 10 improves the air quality inside the building 1 by ventilating the building 1, and the ventilation system 10 When the air quality improvement effect in the building 1 cannot be expected, the ventilation facility 2 is stopped. As a result, the ventilation system 10 can improve the air quality in the building 1 by ventilating the building 1 without wasting energy (electric power) in the ventilation facility 2.

That is, in the present embodiment, the control device 4 includes the prediction unit 411 that predicts whether or not the contaminated air whose air quality has an abnormal value reaches the building based on the measurement results of the plurality of dispersion measuring devices M0. If the prediction unit 411 predicts the arrival of contaminated air, the ventilation facility 2 is stopped regardless of the measurement result of the individual measuring device 3. Therefore, there is an advantage that the air quality in the building 1 can be improved by ventilating the building 1 without wasting energy.

Moreover, in this embodiment, the ventilation system 10 is further provided with the air conditioning equipment (the air cleaner 61 and the air conditioner 62) which is provided in the building 1 separately from the ventilation equipment 2 and improves the air quality in the building 1. The control device 4 further has a function of controlling the air conditioning equipment (air conditioning control unit 413), and is configured to operate the air conditioning equipment at least during a period in which the ventilation equipment 2 is stopped. Therefore, the ventilation system 10 can improve the air quality in the building 1 by the air conditioning equipment during the period when the ventilation equipment 2 is stopped, and can maintain the comfort in the building 1 by a method other than ventilation.

Furthermore, in this embodiment, when the arrival of the contaminated air is predicted, the prediction unit 411 further has a function of predicting the timing at which the contaminated air reaches the building 1, and the control device 4 is the prediction unit 411. The ventilation facility 2 is configured to stop in accordance with the predicted timing. That is, the control device 4 does not stop the ventilation facility 2 immediately when the prediction unit 411 predicts that the contaminated air reaches the building 1, but stops the ventilation facility 2 in accordance with the arrival timing. The period for improving the air quality in the building 1 by the facility 2 can be secured for a long time.

Moreover, in this embodiment, the control apparatus 4 further has the acquisition part 414 which acquires the information regarding the wind direction and wind speed of the observation point P0, and uses the information acquired in the acquisition part 414 for prediction by the prediction part 411. Configured to do. Therefore, the control device 4 has an advantage that the accuracy of prediction in the prediction unit 411 is improved.

Further, in the present embodiment, the control device 4 further includes a storage unit 44 that stores the history of measurement results of the plurality of dispersion measuring instruments M1 to M16, and the diffusion of contaminated air from the history stored in the storage unit 44. The pattern is learned and used for prediction by the prediction unit 411. Therefore, the control device 4 has an advantage that the accuracy of prediction in the prediction unit 411 is improved.

Furthermore, in the present embodiment, the control device 4 uses the individual measuring instrument 3 to improve the air quality outside the building 1 from the air quality inside the building 1 after a predetermined time has elapsed since the prediction unit 411 predicted the arrival of contaminated air. When a measurement result that is better is obtained, the ventilation facility 2 is configured to be restarted. Therefore, the control device 4 restarts the ventilation facility 2 when the contaminated air does not reach the building 1 even though the arrival of the contaminated air is predicted. Therefore, the air quality in the building 1 is improved by the ventilation facility 2. A long period of improvement can be secured.

In the present embodiment, the measurement results of the dispersion measuring instruments M1 to M16 are centrally managed by the management device 91, but not limited to this configuration, the measurement results may be managed by the control device 4. Moreover, a part of the function of the control device 4 may be provided in another device. For example, the function of the prediction unit 411 may be provided in the management device 91. In this case, the control device includes a plurality of devices (for example, the control device 4 and the management device 91), and the management device 91 predicts whether or not the contaminated air reaches the building 1, and controls based on the prediction result. The ventilation facility 2 is controlled by the device 4.

By the way, in the ventilation system 10 of this embodiment, the control device 4 further includes an arrival prediction unit 415 that predicts the timing at which a person arrives at the building 1, and the building 1 matches the timing predicted by the arrival prediction unit 415. It is configured to improve the air quality inside.

Specifically, the arrival predicting unit 415 uses information such as a current position and a change in position of the user terminal 71 having a GPS (Global Positioning System) function, and a user (household) who has gone out arrives at the building 1 ( The time of returning home is predicted as the timing at which a person arrives at the building 1. That is, the arrival prediction unit 415 predicts the timing at which a person arrives at the building 1.

The control device 4 can acquire information such as the current location of the user terminal 71 via the Internet 8 at any time. That is, the user can predict the timing at which a person arrives at the building 1 (hereinafter, referred to as “home timing”) just by carrying the user terminal 71 when going out. Note that the arrival prediction unit 415 may represent the return timing based on the time it takes for a person to arrive at the building 1 instead of the time.

Ventilation equipment 2 and air-conditioning equipment are not able to operate and immediately improve the air quality in building 1, but it takes some time to improve the air quality. Therefore, the control device 4 uses the ventilation equipment 2 and the air conditioning equipment (air purifier) based on the predicted return timing so that the air quality in the building 1 is improved in accordance with the return timing predicted by the arrival prediction unit 415. The machine 61 and the air conditioner 62) are controlled. That is, the control units (the ventilation control unit 412 and the air conditioning control unit 413) execute an improvement operation for improving the air quality in the building 1 in accordance with the timing (home timing) predicted by the arrival prediction unit 415.

For example, when the user goes out and the building 1 becomes unattended, the control device 4 stops the ventilation facility 2 and the air conditioning facility, and the air quality in the building 1 becomes a normal value at the timing of returning home predicted by the arrival prediction unit 415. Thus, the ventilation equipment 2 and the air conditioning equipment are controlled in accordance with the timing of returning home. As a result, the ventilation system 10 controls the air quality in the building 1 in accordance with the timing when the user arrives at the building 1 (returns home) while suppressing unnecessary power consumption by the ventilation facility 2 and the air conditioning facility when the building 1 is unattended. Can be improved.

Here, the control device 4 is configured to back-calculate the start timing of air quality improvement in the building 1 from the return timing predicted by the arrival prediction unit 415 and the time required to improve the air quality in the building 1. Has been.

That is, the control unit (ventilation control unit 412, air conditioning control unit 413) determines the air in the building 1 from the timing predicted by the arrival prediction unit 415 (home return timing) and the time required to improve the air quality in the building 1. The start timing of quality improvement is determined, and the improvement operation is started from the start timing.

Therefore, the ventilation system 10 can complete the improvement of the air quality in the building 1 when the user arrives at the building 1 (returns home).

In addition, the control device 4 learns the time required for the person to move and the time required for improving the air quality in the building 1 and uses it for the prediction of the return timing at the arrival prediction unit 415 and the control of the ventilation equipment 2 and the air conditioning equipment. It is configured as follows.

For example, the control device 4 measures the time required to move from a predetermined location (for example, a station) to the building 1 each time, and learns the time required to move from the predetermined location to the building 1 by obtaining the average value. And predict the return timing.

In addition, the control device 4 uses GPS to identify the user's travel route, learns the time required to travel to the building 1 for each route, and predicts the return timing based on the route that the user is taking.

When the user terminal 71 has a pedometer function, the control device 4 learns the total number of steps required for the user to move from a predetermined location (for example, a station) to the building 1 and determines the return timing from the current number of steps. Predict.

Further, the control device 4 learns the maximum amount of change in temperature and humidity that can be adjusted within a predetermined time for each temperature and humidity outside the building 1, and is required to adjust the inside of the building 1 to the predetermined temperature and humidity. Judge the time.

In the present embodiment, the ventilation system 10 shown in FIG. 1 has been described as an example. However, the ventilation system 10 is only one aspect of the present invention, and appropriate modifications are possible. That is, the ventilation system 10 includes a prediction unit 411 that predicts whether or not the contaminated air reaches the building 1 based on the measurement results of the plurality of distributed measuring devices M0. What is necessary is just the structure which stops the ventilation equipment 2 when arrival is estimated.

For example, the air conditioning equipment can be omitted as appropriate, and in the control device 4, the air conditioning control unit 413, the acquisition unit 414, the arrival prediction unit 415, and the like can be omitted as appropriate.

Further, the control device 4 can appropriately omit the function of predicting the timing when the contaminated air reaches the building 1 by the prediction unit 411 and the function of learning the diffusion pattern of the contaminated air from the history stored in the storage unit 44. is there.

In addition, the control device 4 indicates that the air quality outside the building 1 is better than the air quality inside the building 1 with the individual measuring device 3 after a predetermined time has passed since the prediction unit 411 predicted the arrival of contaminated air. The function of restarting the ventilation facility 2 when the measurement result is obtained can be omitted as appropriate.

(Embodiment 2)
The ventilation system according to the present embodiment is different from the ventilation system according to the first embodiment in that the ventilation system is applied to a building having a plurality of floors such as a high-rise apartment (an apartment house). Hereinafter, the same configurations as those of the first embodiment are denoted by common reference numerals, and description thereof will be omitted as appropriate.

In the present embodiment, as shown in FIG. 4, the building 1 (11) has a plurality of levels 110. In FIG. 4, in order to simplify the description, the building 11 has three levels 110 (a low level 111, a middle level 112, and a high level 13). The number of levels 110 of the building 11 is not particularly limited. Moreover, in FIG. 4, only the control apparatus 4 and the ventilation installation 2 are illustrated among the ventilation systems of this embodiment.

The control device 4 is configured to control the ventilation equipment 2 for each level 110, and when the prediction unit 411 predicts the arrival of contaminated air, it stops the ventilation equipment 2 in order from the level 110 where the arrival of contaminated air is early. ing.

That is, the ventilation system of the present embodiment includes a plurality of ventilation facilities 2 (21, 22, 23) that perform ventilation of each of the plurality of floors 110 (111, 112, 113) of the building 11. The control units (the ventilation control unit 412 and the air conditioning control unit 413) are configured to perform normal operations for each of the plurality of ventilation facilities 2. When the predicting unit 411 predicts that an abnormality will occur, the control unit (ventilation control unit 412 or air conditioning control unit 413) terminates the normal operation of the plurality of ventilation facilities 2 and the contaminated air reaches the plurality of ventilation facilities 2. It is comprised so that it may stop in order from the ventilation equipment 2 in an early hierarchy.

That is, since the wind direction and the wind speed vary greatly depending on the ground height, in the building 1 (11) such as a high-rise apartment, for example, the upper floor with the same ground direction but the higher ground floor has a higher wind speed, and the arrival timing of the polluted air is higher in the upper floor. May be faster. In such a case, the control device 4 stops the ventilation facility 2 in order from the level where the polluted air arrives earlier, that is, the higher level 113 (for example, the higher level 113, the middle level 112, and the lower level 111).

Also, depending on the topography and the relationship with neighboring buildings, in the building 1 (11) such as a high-rise apartment, the arrival timing of contaminated air may be as early as the lower floor 111 or the middle floor 112. In such a case, the control device 4 starts from the level where the contaminated air arrives earlier, that is, the lower floor 111 and the middle floor 112 (for example, the order of the lower hierarchy 111, the middle hierarchy 112, the higher hierarchy 113, or the middle hierarchy 112 The ventilation facility 2 is stopped in the order of the lower floor 111 and the higher floor 113).

Therefore, the control device 4 can reliably stop the ventilation facility 2 before the contaminated air reaches the level where the contaminated air arrives early, and the building 1 uses the ventilation facility 2 for the level where the contaminated air arrives late. A long period of improving the air quality inside can be secured.

Here, the control device 4 may statistically determine the order in which the contaminated air reaches each level 110, or may determine the current wind direction, wind speed, and the like. For example, when the individual measuring device 3 is provided for each level 110, the control device 4 can statistically determine the arrival order of the contaminated air from the history of the measurement results of the plurality of individual measuring devices 3. it can. Moreover, when the wind direction, wind speed, etc. around the building 1 are measured for a plurality of ground heights, the control device 4 can determine the arrival order of the contaminated air from these current measurement results.

In the building 1 such as an apartment house, one control device 4 may be provided for the entire building 1 or may be provided for each level, or one for each dwelling unit. It may be provided one by one.

Other configurations and functions are the same as those in the first embodiment.

As described above, the ventilation system according to the first embodiment of the present invention includes the ventilation equipment 2, the individual measuring instrument 3, the plurality of distributed measuring instruments M0, and the control device 4. The ventilation facility 2 is configured to ventilate the building 1. The individual measuring instrument 3 is configured to measure the air quality inside the building 1 and the air quality outside the building 1. The plurality of distributed measuring instruments M0 are configured to measure air quality at a plurality of observation points P0 in the monitoring area 100 including the building 1, respectively. The control device 4 includes a control unit (a ventilation control unit 412 and an air conditioning control unit 413) that performs a normal operation of operating the ventilation facility 2 if the air quality outside the building 1 is better than the air quality inside the building 1. The control device 4 further predicts whether or not an abnormality in which the air quality outside the building 1 shows an abnormal value due to contaminated air occurs based on the air quality measured by each of the plurality of dispersion measuring devices M0. Have The control unit is configured to terminate the normal operation and stop the ventilation facility 2 when the prediction unit 411 predicts that an abnormality will occur.

In the ventilation system of the second form according to the present invention, in the first form, the ventilation system further includes air conditioning equipment (air cleaner 61, air conditioner 62) for improving the air quality in the building 1. The control unit is further configured to control the air conditioning equipment. The control unit is configured to operate the air conditioning equipment during a period in which the ventilation equipment 2 is stopped.

In the ventilation system of the third form according to the present invention, in the first or second form, the prediction unit 411 is configured to predict the timing at which contaminated air reaches the building 1 when it is predicted that an abnormality will occur. ing. The control unit is configured to stop the ventilation facility 2 in accordance with the timing predicted by the prediction unit 411.

In the ventilation system of the fourth form according to the present invention, in any one of the first to third forms, the control device 4 further acquires information on the wind direction and the wind speed at each of the plurality of observation points P0. An acquisition unit 414 is further included. The prediction unit 411 is configured to predict whether or not an abnormality will occur using the information acquired by the acquisition unit 414.

In the ventilation system according to the fifth aspect of the present invention, in any one of the first to fourth aspects, the control unit normally performs a predetermined time after the prediction unit 411 predicts that an abnormality will occur. It is configured to resume operation.

In a ventilation system according to a sixth aspect of the present invention, in any one of the first to fifth aspects, the ventilation system further includes a plurality of ventilations that respectively ventilate the plurality of floors 110 of the building 1 (11). The ventilation equipment 2 is provided. The control unit is configured to perform a normal operation for each of the plurality of ventilation facilities 2. When the prediction unit 411 predicts that an abnormality will occur, the control unit terminates the normal operation of the plurality of ventilation facilities 2 and stops the plurality of ventilation facilities 2 in order from the ventilation facility 2 in the hierarchy 110 where the arrival of contaminated air is early. It is configured to let you.

In the ventilation system according to the seventh aspect of the present invention, in any one of the first to sixth aspects, the control device 4 further includes a history of air quality respectively measured by a plurality of distributed measuring instruments M0. Is stored. The prediction unit 411 is configured to predict whether or not an abnormality will occur by using the polluted air diffusion pattern obtained from the history stored in the storage unit 44.

In the ventilation system according to the eighth aspect of the present invention, in any one of the first to seventh aspects, the control device 4 further includes an arrival prediction unit 415 that predicts the timing at which a person arrives at the building 1. Have. The control unit is configured to execute an improvement operation for improving the air quality in the building 1 in accordance with the timing predicted by the arrival prediction unit 415.

In the ventilation system of the ninth form according to the present invention, in the eighth form, the control unit determines that the inside of the building 1 is based on the timing predicted by the arrival prediction unit 415 and the time required to improve the air quality in the building 1. The air quality improvement start timing is determined, and the improvement operation is started from the start timing.

In the ventilation system according to the tenth aspect of the present invention, in any one of the first to ninth aspects, the plurality of dispersion measuring instruments M0 is a set of the dispersion measuring instruments M0 in the same direction with respect to the building 1. including. The prediction unit 411 has a dispersion in which the air quality measured by the set of dispersion measuring instruments M0 during the determination time is closest to the building 1 from the dispersion measuring instrument M0 farthest from the building 1 in the set of dispersion measuring instruments M0. If abnormal values are shown in order up to the measuring instrument M0, it is configured to predict that an abnormality will occur.

In the ventilation system of the eleventh aspect according to the present invention, in any one of the first to ninth aspects, the plurality of dispersion measuring instruments M0 includes a plurality of outer dispersion measuring instruments M0 (M9 to M16), A plurality of inner dispersion measuring devices M0 (M1 to M8) respectively associated with the plurality of outer dispersion measuring devices M0. The plurality of outer dispersion measuring instruments M0 are on the circumference of the first circle C1 with the building 1 as the center. The plurality of inner dispersion measuring instruments M0 are on the circumference of the second circle C2 with the building 1 as the center. The radius of the second circle C2 is smaller than the radius of the first circle C1. Each of the plurality of inner dispersion measuring instruments M0 is on a straight line that connects the associated outer dispersion measuring instrument M0 and the building 1 among the plurality of outer dispersion measuring instruments M0. The predicting unit 411 includes an inner part associated with the outer dispersion measuring instrument M0 in which the air quality shows an abnormal value within a determination time after the air quality measured by the outer dispersion measuring instrument M0 shows an abnormal value. When the air quality measured by the dispersion measuring device M0 shows an abnormal value, it is configured to predict that an abnormality will occur.

The control device 4 according to the twelfth aspect of the present invention includes a first acquisition unit (first communication I / F) 42, a second acquisition unit (second communication I / F) 43, and a control unit (ventilation). A control unit 412, an air conditioning control unit 413), and a prediction unit 411. The first acquisition unit 42 is configured to acquire the air quality inside the building 1 and the air quality outside the building 1. The second acquisition unit 43 is configured to acquire the air quality of each of the plurality of observation points P0 in the monitoring area 100 including the building 1. The control unit is configured to execute a normal operation of operating the ventilation facility 2 for ventilating the building 1 if the air quality outside the building 1 is better than the air quality inside the building 1. The prediction unit 411 is configured to predict whether or not an abnormality in which the air quality outside the building 1 exhibits an abnormal value due to contaminated air will occur based on the air quality at each of the plurality of observation points P0. . The control unit is configured to terminate the normal operation and stop the ventilation facility 2 when the prediction unit 411 predicts that an abnormality will occur.

Claims

Ventilation equipment to ventilate the building,
An individual measuring instrument for measuring the air quality inside the building and the air quality outside the building;
A plurality of distributed measuring instruments that respectively measure the air quality at a plurality of observation points in the monitoring area including the building;
If the air quality outside the building is better than the air quality inside the building, a control device having a control unit that executes a normal operation for operating the ventilation equipment;
With
The control device further predicts whether or not an abnormality in which the air quality outside the building shows an abnormal value due to contaminated air occurs based on the air quality measured by each of the plurality of dispersion measuring instruments. Have
The control unit is configured to terminate the normal operation and stop the ventilation facility when the prediction unit predicts that the abnormality occurs.
Ventilation system.
In addition, air conditioning equipment that improves the air quality in the building,
The control unit is further configured to control the air conditioning equipment,
The control unit is configured to operate the air conditioning equipment during a period in which the ventilation equipment is stopped.
The ventilation system according to claim 1.
The predicting unit is configured to predict when the contaminated air reaches the building when predicting that the abnormality occurs,
The control unit is configured to stop the ventilation facility in accordance with the timing predicted by the prediction unit.
The ventilation system according to claim 1 or 2.
The control device further includes an acquisition unit that acquires information on a wind direction and a wind speed at each of the plurality of observation points,
The prediction unit is configured to predict whether the abnormality will occur using the information acquired by the acquisition unit.
The ventilation system according to any one of claims 1 to 3.
The control unit is configured to resume the normal operation when a predetermined time has elapsed since the prediction unit predicted that the abnormality occurred.
The ventilation system according to any one of claims 1 to 4.
Furthermore, it comprises a plurality of ventilation equipment for ventilating each of the plurality of floors of the building,
The control unit is configured to perform the normal operation for each of the plurality of ventilation facilities,
When the predicting unit predicts that the abnormality occurs, the control unit terminates the normal operation of the plurality of ventilation facilities, and the ventilation facilities are in a hierarchy in which the contaminated air arrives early. It is configured to stop in order from
The ventilation system according to any one of claims 1 to 5.
The control device further includes a storage unit that stores a history of the air quality measured by each of the plurality of dispersion measuring instruments,
The prediction unit is configured to predict whether or not the abnormality will occur using a diffusion pattern of the contaminated air obtained from the history stored in the storage unit.
The ventilation system according to any one of claims 1 to 6.
The control device further includes an arrival prediction unit that predicts a timing at which a person arrives at the building,
The control unit is configured to perform an improvement operation for improving air quality in the building in accordance with the timing predicted by the arrival prediction unit.
The ventilation system according to any one of claims 1 to 7.
The control unit determines a start timing for improving the air quality in the building from the timing predicted by the arrival prediction unit and the time required for improving the air quality in the building, and the improvement from the start timing. Configured to start working,
The ventilation system according to claim 8.
The plurality of dispersion measuring instruments includes a set of dispersion measuring instruments in the same direction with respect to the building,
The prediction unit is configured such that, during the determination time, the air quality measured by each of the dispersion measuring instrument sets is closest to the building from the dispersion measuring instrument that is farthest from the building in the dispersion measuring instrument set. It is configured to predict that the abnormality will occur when the abnormal value is shown in order until a dispersion measuring instrument,
The ventilation system according to any one of claims 1 to 9.
The plurality of dispersion measuring instruments includes a plurality of outer dispersion measuring instruments, and a plurality of inner dispersion measuring instruments respectively associated with the plurality of outer dispersion measuring instruments,
The plurality of outer dispersion measuring instruments are on a circumference of a first circle centered on the building;
The plurality of inner dispersion measuring instruments are on the circumference of a second circle centered on the building,
The radius of the second circle is smaller than the radius of the first circle;
Each of the plurality of inner dispersion measuring instruments is on a straight line connecting the building with the corresponding outer dispersion measuring instrument among the plurality of outer dispersion measuring instruments,
The prediction unit associates the air quality measured with the outer dispersion measuring instrument with the outer dispersion measuring instrument with the air quality showing the abnormal value within a determination time after the abnormal value is shown. The air quality measured by the inner dispersion measuring instrument is configured to predict that the abnormality occurs when the air quality indicates the abnormal value.
The ventilation system according to any one of claims 1 to 9.
A first acquisition unit for acquiring air quality inside the building and air quality outside the building;
A second acquisition unit that acquires the air quality of each of a plurality of observation points in a monitoring area including the building;
If the air quality outside the building is better than the air quality inside the building, a control unit that performs a normal operation for operating a ventilation facility that ventilates the building;
A predicting unit that predicts whether or not an abnormality indicating an abnormal value due to contaminated air occurs in the air quality outside the building based on the air quality of each of the plurality of observation points;
With
The control unit is configured to terminate the normal operation and stop the ventilation facility when the prediction unit predicts that the abnormality occurs.
Control device.