JP2019124013A - Automatic door - Google Patents

Abstract

To provide an automatic door that suppresses deterioration of indoor air state in view of the problems of conventional automatic doors.SOLUTION: An automatic door 100 includes a sensor section 14 and a controller 12. The sensor portion 14 includes a sensor for detecting one or more indoor air characteristics. The controller 12 includes an air state estimation unit 50 which estimates the state of the indoor air based on the characteristic values of the indoor air which are detected by the sensors of the sensor portion 14, and a door open/close control unit 52 which controls the opening/closing the automatic door 100 with opening/closing parameters of the automatic door 100 prioritizing the ventilation when the indoor air state estimated by the air state estimation unit 50 satisfies a predetermined condition.SELECTED DRAWING: Figure 2

Description

  The present invention relates to automatic doors.

  There is known a technique for stopping a door in a predetermined semi-closed position when opening and closing an automatic door for the purpose of ventilating the room. For example, Patent Document 1 describes a device that controls a motor of a door so that the door stops at a predetermined position before full closing or full opening when the open mode and the closed mode of the automatic door are switched. There is.

Japanese Patent Application Publication No. 08-13907

  When indoor air conditions deteriorate due to the generation of harmful gas, it is desirable to be able to suppress this. However, in the automatic door control described in Patent Document 1, although it is possible to partially open the door when switching between the open mode and the closed mode of the door, the deterioration of the indoor environment is detected and suppressed. There is no way to control opening and closing.

  The present invention has been made in view of these problems, and an object thereof is to provide an automatic door capable of detecting and suppressing the deterioration of the indoor air condition.

  In order to solve the above-mentioned subject, an automatic door of an embodiment of the present invention is provided with a sensor part and a controller. The sensor unit includes a sensor that detects one or more indoor air characteristics. When the controller estimates the state of indoor air based on the characteristic value of indoor air detected by each sensor of the sensor unit, and the state of indoor air estimated by the air state estimator satisfies the predetermined condition And a door opening / closing control unit that controls the opening and closing of the automatic door by giving priority to the opening and closing parameters of the automatic door.

  According to this aspect, when the condition of the indoor air is deteriorated and the predetermined condition is satisfied, the deterioration of the air condition can be suppressed by operating the automatic door in the mode giving priority to the ventilation.

  Another aspect of the invention is also an automatic door. The automatic door includes a sensor unit, an air condition history database, and a controller. The sensor unit includes a sensor that detects one or more indoor air characteristics. The air condition history database accumulates a history of the relationship between past air conditions and automatic door opening and closing parameters. The controller is an air condition prediction unit that predicts deterioration of the indoor air condition based on the characteristic values of the indoor air detected by each sensor of the sensor unit and data of the air condition history database, and indoors predicted by the air condition prediction unit When the state of air satisfies a predetermined condition, the door open / close control unit controls the open / close of the automatic door by giving priority to the opening / closing parameters of the automatic door from the next time onward.

  According to this aspect, when it is predicted that the condition of the indoor air will deteriorate in the future and the predetermined condition is satisfied, the automatic door operates in the mode in which the ventilation is prioritized from the next time on, without significantly reducing the air conditioning efficiency. It is possible to suppress the deterioration of the air condition.

  It should be noted that any combination of the above-described components, or any of the components or expressions of the present invention mutually replaced by a method, an apparatus, a program, a temporary or non-temporary storage medium recording a program, a system, etc. Are also effective as an aspect of the present invention.

  ADVANTAGE OF THE INVENTION According to this invention, the automatic door which can suppress the deterioration of indoor air condition can be provided.

It is a front view showing roughly the automatic door concerning a 1st and 2nd embodiment. It is a block diagram showing an example of composition of an automatic door concerning a 1st embodiment. It is a block diagram which shows an example of a structure of the automatic door which concerns on 2nd Embodiment.

Hereinafter, the present invention will be described based on preferred embodiments with reference to the drawings. In the embodiment and the modification, the same or equivalent constituent elements and members are denoted by the same reference numerals, and duplicating descriptions will be appropriately omitted. In addition, dimensions of members in each drawing are shown appropriately enlarged or reduced for easy understanding. In each drawing, a part of members which are not important in describing the embodiment is omitted and displayed.
Also, although terms including first and second ordinal numbers are used to describe various components, this term is used only to distinguish one component from another component, and this term The constituent elements are not limited by

First Embodiment
The first embodiment of the present invention is an automatic door. As an example, this automatic door is suitably provided in the place which separates indoor and the outdoors, such as the entrance of a building. Hereinafter, an automatic door 100 according to a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view schematically showing an automatic door 100 according to the first embodiment. The automatic door 100 is a movable device that opens and closes the door 30 in the movable direction X.

  The automatic door 100 mainly includes a motor 10, a controller 12, a sensor unit 14, and a belt 20. The motor 10 rotationally drives the drive pulley 10 p. The controller 12 detects a passing object such as a person and controls the motor 10 to open and close the door 30. The belt 20 is wound around the outer circumferences of the drive pulley 10p and the driven pulley 10f, and rotates the driven pulley 10f as the drive pulley 10p rotates. When the drive pulley 10 p is rotated by the motor 10 and the belt 20 is driven, the door 30 suspended by the belt 20 is moved to perform the opening / closing operation.

  FIG. 2 is a block diagram showing an example of the configuration of the automatic door 100. As shown in FIG. The sensor unit 14 includes a sensor that detects one or more indoor air characteristics. In the example of FIG. 2, the sensor unit 14 includes a carbon monoxide sensor 42, a carbon dioxide sensor 43, a microorganism sensor 44, a formaldehyde sensor 45, a VOC sensor 46, a dust sensor 47, and an odor sensor 48. Including. The controller 12 includes an air state estimation unit 50 and a door open / close control unit 52.

(Sensor)
The carbon monoxide sensor 42 detects carbon monoxide in indoor air and outputs the value of the concentration to the controller 12. The carbon dioxide sensor 43 detects carbon dioxide in indoor air and outputs the value of the concentration to the controller 12. The microorganism sensor 44 detects the microorganism in the indoor air and outputs the value of the concentration to the controller 12. The microorganism may be, for example, floating bacteria. The formaldehyde sensor 45 detects formaldehyde in indoor air and outputs the value of the concentration to the controller 12. The VOC sensor 46 detects VOCs (Volatile Organic Compounds) in indoor air, and outputs the concentration value to the controller 12. The dust sensor 47 detects dust in the indoor air, and outputs the value of the concentration to the controller 12. The dust may include PM 2.5 or smoke. The odor sensor 48 detects the odor in indoor air and outputs the value of the intensity to the controller 12.

(controller)
Next, the controller 12 will be described. Each block of the controller 12 shown in FIG. 2 can be realized by hardware as an electronic element or mechanical component including a CPU of a computer, and as software as a computer program or the like. It depicts the functional blocks realized by the coordination of them. Therefore, it is understood by those skilled in the art that these functional blocks can be realized in various forms by a combination of hardware and software. As shown in FIG. 2, the controller 12 includes an air state estimation unit 50 and a door opening / closing control unit 52.

(Air condition estimation unit)
The air state estimation unit 50 is configured to combine one or more of carbon monoxide concentration, carbon dioxide concentration, microorganism concentration, formaldehyde concentration, VOC concentration, dust concentration, odor intensity input from each sensor of the sensor unit 14 Based on the indoor air condition is estimated. Hereinafter, when the carbon monoxide concentration, the carbon dioxide concentration, the microorganism concentration, the formaldehyde concentration, the VOC concentration, the dust concentration, and the odor intensity are generically referred to as indoor air characteristic information. The air state estimation unit 50 stores, in advance, criteria (hereinafter referred to as "air state criteria") for determining that the air state has deteriorated for each of the indoor air property information. Air condition criteria can be constructed by collecting and analyzing correlations between indoor air property information and human health and human discomfort based on a large number of samples. The construction of such an air condition standard may be made using computer-based machine learning based on specific information on indoor air and a large number of samples (big data) on human health and human discomfort. In this case, the air condition estimation unit 50 includes the constructed air condition reference as a neural network of a plurality of layers.

  The air condition estimation unit 50 determines the deterioration of the indoor air condition based on the air condition standard. In one embodiment, it may be determined that the air condition has deteriorated when at least one characteristic information detected by each sensor of the sensor unit 14 exceeds the air condition standard. This embodiment is the simplest and has the effect that it can be realized at low cost by a relatively small scale system.

  In another embodiment, the air state estimation unit 50 may determine the deterioration of the air state based on a combination of a plurality of air state criteria. For example, when the concentration of the gas A exceeds the air condition reference a and the concentration of the gas B exceeds the air condition reference b, the air condition estimation unit 50 determines that the air has deteriorated. The air condition standard in this case may be set lower than that based on the single air condition standard described above. Also, different air condition standards may be applied depending on the temporal order in which multiple types of property information of interest exceed the air condition standard. For example, when the concentration of gas A first exceeds the air condition standard a and then the concentration of gas B exceeds the air condition standard b, it is judged that the air condition has deteriorated, while the concentration of the gas B first is air condition It is determined that the air condition is deteriorated when the concentration of the gas A exceeds the air condition criterion a 'after the criterion b' is exceeded. This embodiment is particularly effective in the case where the effects on the human body become more serious when multiple types of gases are combined.

  When judging deterioration of air condition based on a combination of multiple air condition standards, which characteristic information air condition standard is selected, how to combine the selected air condition standards, and which characteristic information The establishment of a definition, such as judging that the air condition has deteriorated when the air condition standard is exceeded in order, may be done using machine learning.

  If the air state estimation unit 50 determines that the indoor air state has deteriorated, the air state estimation unit 50 notifies the door opening / closing control unit 52 of the result.

(Door opening and closing control unit)
When notified by the air state estimation unit 50 that the indoor air state has deteriorated, the door open / close control unit 52 changes the open / close parameter of the automatic door to one that prioritizes ventilation. As an example of opening and closing parameters that prioritize ventilation, the door can be opened more quickly, the opening speed can be increased, the closing speed can be decreased, the opening time can be lengthened, the fully closed position can be shifted in the opening direction. There is a gap between the door and so on.

  In one embodiment, a plurality of air condition standards of each characteristic information may be defined, and the open / close parameter may be changed stepwise for each of the plurality of air condition standards. In this embodiment, since the opening / closing operation of the automatic door does not change rapidly, there is an effect that it is possible to reduce the discomfort felt by the passerby.

Second Embodiment
Next, an automatic door according to a second embodiment of the present invention will be described with reference to FIG. Hereinafter, the description overlapping with the first embodiment will be omitted, and differences will be mainly described. In the first embodiment, when the current state of indoor air estimated by the air state estimation unit exceeds the air state reference, the control of the present automatic door is controlled. On the other hand, in the second embodiment, the deterioration of the indoor air state in the future is predicted based on the relationship between the air state in the past and the opening / closing parameter of the automatic door, and the opening / closing of the automatic door from next time is controlled.

  FIG. 3 is a block diagram showing an example of the configuration of the automatic door 200 according to the second embodiment. The automatic door 200 mainly includes a motor 10, a controller 12, a sensor unit 14, an air condition history database 16, and a door 30. The controller 12 includes a door open / close control unit 52 and an air state prediction unit 60.

(Air condition history database)
The air condition history database 16 stores, as a history, the relationship between the characteristic information of indoor air at a certain point in the past and the open / close parameters of the automatic door set at that time.

(Air condition prediction unit)
As in the first embodiment, each sensor of the sensor unit 14 detects each characteristic information of indoor air and outputs the value to the controller 12. The air state prediction unit 60 predicts the future state of the indoor air from the characteristic information of the current indoor air input from each sensor of the sensor unit 14 based on the data of the air state history database 16. The prediction is made, for example, based on the current indoor air conditions and the automatic door opening and closing parameters, "how many minutes from now, which characteristic information exceeds a predetermined air condition standard". This prediction may be made using machine learning based on the data stored in the air condition history database.

  When predicting that the state of the indoor air will deteriorate after a certain time, the air state prediction unit 60 notifies the door open / close control unit 52 of the result.

(Door opening and closing control unit)
When notified by the air state estimation unit 50 of an expectation that the indoor air state will be deteriorated, the door open / close control unit 52 changes the open / close parameters of the automatic door from the next time on to those giving priority to ventilation. As an example of opening and closing parameters that prioritize ventilation, the door can be opened more quickly, the opening speed can be increased, the closing speed can be decreased, the opening time can be lengthened, the fully closed position can be shifted in the opening direction. There is a gap between the door and so on.

  In one embodiment, the setting value of the switching parameter after the next time and the timing of the change are determined based on the degree of deterioration of the indoor air condition, the influence of the air condition deterioration on the human body, and the time when the deterioration is expected. You may As a result, it is possible to avoid that the degree of ventilation is too large or the timing of the change is too early, and it is possible to suppress the deterioration of the indoor air without significantly reducing the air conditioning efficiency. The appropriate set value of the open / close parameter and the timing of the change may be determined using artificial intelligence.

  In one embodiment, the door open / close control unit 52 may further change the changed open / close parameter according to the degree of improvement of the indoor air. Further examples of changing opening and closing parameters include changing the opening timing of the door, changing the opening speed, changing the closing speed, changing the opening time, and changing the fully closed position in the opening direction. There is a change in the gap, etc. As a result, the ventilation of the indoor air can be more finely controlled, and the improvement of the air conditioning efficiency and the further improvement of the deterioration of the indoor air condition can be realized. The exact further switching parameter changes may be determined using artificial intelligence.

(Application example 1)
In the above-mentioned embodiment, each sensor installed in a sensor part detects a chemical composition of indoor air, etc. in a representative place indoors. In one application, in addition to these sensors, a thermo-hygrometer may be installed at a place where dew condensation is likely to occur, such as at the window or door. The thermo-hygrometer outputs the measured temperature and humidity values to the controller. The air condition determination unit of the controller predicts that condensation will occur indoors if the values of temperature and humidity input from the temperature and humidity meter satisfy predetermined conditions, and notify the result to the door opening and closing device. When notified of the prediction of the occurrence of dew condensation indoors from the air state estimation unit, the air state determination unit changes the open / close parameter of the automatic door to one that prioritizes ventilation. According to this application example, the occurrence of indoor condensation can be suppressed. The prediction of the occurrence of condensation may be made using artificial intelligence.

(Application example 2)
In the above embodiment, the sensor unit is installed indoors. In one application, in addition to these indoor sensor units, similar sensor units may be installed outdoors. Each sensor of the outdoor sensor unit outputs the value of the outdoor air characteristic information to the controller. The air condition determination unit compares the respective characteristic information input from the indoor and outdoor sensor units. As a result, when the state of outdoor air is worse than the state of indoor air, the air state determination unit determines the automatic door open / close mode even if the characteristic information of the indoor air exceeds the air state standard. Prohibit changing to a priority for ventilation. According to this application example, when the outdoor air condition is worse than indoor, for example, the scattering amount of pollen is large, it is possible to suppress the indoor environment from being further deteriorated. The comparison of the air condition between indoor and outdoor and the determination of the change of the opening and closing parameter based on it may be made using artificial intelligence.

(Application example 3)
In addition to the indoor sensor unit in the above-described embodiment, devices such as a camera and a microphone may be installed outdoors. These devices detect foreign substances such as dust and pests when they are outdoors in the air or the like, and output the result to the controller. The air condition determination unit prohibits changing the open / close mode of the automatic door to one that prioritizes ventilation, when it is predicted that foreign objects outside meet the predetermined condition and enter the indoor through the automatic door. According to this application example, it is possible to suppress wind dust and flying insects from invading the room through the automatic door. Prediction of foreign body intrusion based on camera images may be done using artificial intelligence.

(Application example 4)
In addition to the indoor sensor unit in the above-described embodiment, a device that detects a sound generated by a pest (hereinafter, referred to as a “pest sound detector”) may be installed indoors and / or outdoors. The pest sound detector estimates the type of insect from the pre-stored characteristics of the sound of the insect. Examples of sounds generated by insects include roars, cries, and creeping sounds on the ground. Further, examples of the characteristics of the sound include changes in frequency, timbre, strength, strength and weakness. The pest sound detector may further estimate the moving direction and speed of the insect by considering the Doppler effect from the frequency change of the sound emitted by the insect. When the pest sound detector detects the sound generated by the pest and recognizes the presence of the insect, the pest sound detector transmits the information to the door opening / closing control unit. A door control part will perform opening / closing control of the door defined for every insect, if the information regarding an insect is received from a pest sound detector. As an example of door open / close control, when there is a bug outdoors, the open door is closed or an air curtain is activated. In addition, when an insect that is indoors is moving toward the automatic door, control may be performed such that the automatic door is opened at an appropriate timing. According to this application example, it is possible to prevent the infestation of outdoors pests into the indoor space, and to drive out the indoor pests outdoors. The discrimination of the insect based on the feature of the sound generated by the insect may be performed using artificial intelligence.

  The present invention has been described above based on the first and second embodiments. It is understood by those skilled in the art that each embodiment is an exemplification, and that various modifications can be made to their respective components or combinations of respective processing processes, and such modifications are also within the scope of the present invention. is there. The contents of each embodiment do not limit the technical scope of the present invention, and many design changes such as changes, additions, and deletions of components can be made without departing from the concept of the invention defined in the claims. Is possible.

  Hereinafter, modified examples will be described. In the drawings and the description of the modification, the same components or members as those of the embodiment are denoted by the same reference numerals. Descriptions overlapping with the embodiment will be omitted as appropriate, and configurations different from the embodiment will be mainly described.

  In each embodiment, each sensor included in the sensor unit 14 is described by way of example, but the present invention is not limited to this. The sensor unit 14 may include another type of sensor. Although the automatic door is illustrated as being installed at a place that separates indoors from the outdoor, such as a building entrance, it may be, for example, an automatic shutter of a garage or an elevator door. According to these variations, the degree of freedom of the configuration can be expanded.

  10 · · · Motor · 12 · · · controller · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · carbon dioxide sensor, 43 · · carbon dioxide sensor, · · · · · · · · · · 45 · · Formaldehyde sensor, 46 · · VOC sensor, 47 · · Dust sensor, 48 · · Odor sensor, 50 · · Air condition estimation unit, 52 · · Door opening and closing control unit, 60 · · Air condition prediction unit, 100, 200 .. Automatic door.

Claims (2)

It is an automatic door,
Equipped with a sensor unit and a controller,
The sensor unit includes a sensor that detects one or more indoor air characteristics.
The controller
An air state estimation unit that estimates the state of indoor air based on the characteristic value of indoor air detected by each sensor of the sensor unit;
And a door open / close control unit for controlling the opening / closing of the automatic door by giving priority to the opening / closing parameter of the automatic door when the state of the indoor air estimated by the air state estimation unit satisfies a predetermined condition. An automatic door characterized by It is an automatic door,
A sensor unit, an air condition history database, and a controller;
The sensor unit includes a sensor that detects one or more indoor air characteristics.
The air condition history database stores a history of relationships between past air conditions and the automatic door opening and closing parameters;
The controller is an air condition prediction unit that predicts deterioration of the indoor air condition based on characteristic values of indoor air detected by each sensor of the sensor unit and data of the air condition history database;
A door opening / closing control unit that controls the opening / closing of the automatic door by giving priority to the opening / closing parameter of the automatic door after the next time when the state of indoor air predicted by the air state prediction unit satisfies a predetermined condition; , An automatic door characterized in that.

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