JP2024031280A - Dust removal equipment - Google Patents

Abstract

The present invention provides a dust removal device that can effectively collect dust removed from a subject. The present invention includes a main body 10 forming a passage section T through which a subject can pass, and a main body 10 that is provided with a main body 10 that airs air toward the passage section T when the subject passing through the passage section T is detected. A removal unit (blower 20 and discharge port 30) is provided at the top of the main body 10 to remove dust adhering to the subject by discharging dust. It includes an air circulation device 40 that collects dust, and a control section that controls the operation of the air circulation device 40 in conjunction with the operation of the removal section. [Selection diagram] Figure 5

Description

The present invention relates to a technology for a dust removal device that removes dust attached to a subject.

BACKGROUND ART Conventionally, the technology of a dust removal device capable of removing dust attached to a subject is publicly known. For example, as described in Patent Document 1.

Patent Document 1 describes a spray nozzle that removes dust attached to a subject by discharging air, a suction port (a recessed portion) formed at the bottom of the device, and a plate located just above the suction port. A dust removal device (air shower device) is disclosed that includes a filter and a suction fan located directly above the pre-filter. In such a dust removal device, when the suction fan operates, air is sucked through the suction port and dust is removed by the pre-filter. Thereby, the dust removal device can remove dust from the subject and collect the dust to purify the air.

Here, in a general dust removal device, a suction fan that is somewhat heavy is placed at the bottom of the device, as in the technique of Patent Document 1. In this case, there is a concern that the sound of the suction fan may leak from the suction port also formed at the bottom of the device, causing noise. Therefore, as a measure to reduce the noise from the suction port, it is conceivable to form the suction port in the upper part of the device away from the suction fan.

However, if the suction port is formed at the top of the device, there is a possibility that it will be difficult to suction (collect) the dust removed by the air from the injection nozzle using the suction port, so there is room for improvement.

Japanese Patent Application Publication No. 2002-147810

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a dust removal device that can effectively collect dust removed from a subject. .

The problem to be solved by the present invention is as described above, and next, means for solving this problem will be explained.

That is, in claim 1, there is provided a main body forming a passage section through which a subject can pass, and a device provided on the main body to blow air toward the passage section when the subject passing through the passage section is detected. a removing section that removes dust adhering to the subject by ejecting; a dust collecting section that is provided at the top of the main body and collects dust in the air while circulating the air in the passage section; and the removing section. and a control section that controls the operation of the dust collection section in conjunction with the operation of the dust collection section.

In a second aspect of the present invention, the control section increases the air volume of the dust collection section when the removal section is activated by detecting the subject passing through the passage section.

In claim 3, the control unit continues the operation of the dust collection unit for a predetermined period of time after the target person passing through the passing unit is no longer detected and the removal unit stops. .

In claim 4, the control unit operates the removal unit and the dust collection unit after a predetermined period of time has passed after the target person passing through the passing unit is no longer detected and the removal unit has stopped. It is.

In a fifth aspect of the present invention, the main body includes a ceiling section arranged above the passage section, and the dust collection section is provided on the ceiling section.

The present invention has the effect that dust removed from a subject can be effectively collected.

1 is a perspective view showing the overall configuration of a dust removal device according to an embodiment of the present invention. Similarly, the rear view. FIG. 2 is a block diagram showing a configuration related to control of the dust removal device. 5 is a flowchart showing the details of dust collection control by the control unit. (a) A diagram showing how the air circulation device is operating at low speed. (b) A diagram showing how the air circulation device is operating at high speed while the blower is in operation. (a) A diagram showing how the air circulation device continues to operate at high speed after the blower has stopped. (b) A diagram showing how the air circulation device is operating at high speed after the blower is activated again.

In the following, description will be given by defining the front-rear direction, left-right direction, and up-down direction based on the arrows in the figures. First, a dust removal device 1 according to an embodiment of the present invention will be described.

The dust removal device 1 according to the present embodiment is assumed to be placed at the entrance of an accommodation facility such as a hotel or a commercial facility such as a shopping mall, for example. The dust removal device 1 can remove dust adhering to guests of a hotel or the like who pass through the dust removal device 1 by blowing air at the customers. This can prevent dust from entering buildings such as hotels.

The dust removal device 1 shown in FIGS. 1 to 3 is for removing dust attached to a target person or object (hereinafter referred to as a "target person" for convenience). Here, dust refers to particles such as pollen floating in the air. In addition to pollen, dust includes particles such as sand dust, minute dust, and PM2.5 (particulate matter with a particle size of 2.5 μm or less). The dust removal device 1 mainly includes a main body 10, a blower 20, a discharge port 30, an air circulation device 40, a passage detection sensor 50, a proximity detection sensor 60, and a control section 70.

The main body 10 shown in FIGS. 1 and 2 is a member forming the outer shell of the dust removal device 1. As shown in FIG. The main body 10 mainly includes a pair of side parts 11 and a ceiling part 12.

The side surface portion 11 is a portion forming the side surface of the main body 10. The side surface portion 11 is formed in the shape of a hollow rectangular parallelepiped. A pair of left and right side portions 11 are provided so as to face each other.

The ceiling portion 12 is a portion that forms the ceiling of the main body 10. The ceiling portion 12 is formed in the shape of a hollow rectangular parallelepiped. The ceiling part 12 is provided so as to connect the upper ends of the pair of side parts 11. By connecting the pair of side surfaces 11 through the ceiling section 12, the earthquake resistance of the dust removal device 1 can be improved.

In this way, the main body 10 is formed into a gate shape through which the subject can pass inside (the left and right inner sides of the pair of side parts 11 and below the ceiling part 12). Note that, hereinafter, the inside of the main body 10 through which the subject can pass may be referred to as a passage section T.

The blower 20 is a device that gives energy to air to generate an airflow. As the blower 20, devices of various types (centrifugal blower, axial blower, etc.) can be used. The blower 20 is provided in the lower part of the side part 11. The blower 20 can suck in outside air and forcefully send it to a discharge port 30, which will be described later. In this embodiment, the blower 20 can be switched between a state in which it operates at a predetermined air volume and a state in which it is stopped.

The discharge port 30 is an opening for discharging the air forced from the blower 20 toward the passage portion T of the side surface portion 11 . The discharge port 30 is formed on the side surface of the side surface portion 11 facing inwardly in the left and right directions. A plurality of discharge ports 30 are formed at appropriate intervals. In this embodiment, an example is shown in which a total of six discharge ports 30 are formed, three rows up and down and two rows front and back (see FIG. 1, etc.). The discharge port 30 is arranged to discharge air diagonally downward. Note that the direction in which air is discharged from the discharge port 30 may be configured to be arbitrarily adjustable.

In this embodiment, the blower 20, the discharge port 30 that discharges the air forced from the blower 20, and the like constitute a removal unit that removes dust attached to the subject.

The air circulation device 40 is capable of circulating the air in the passage portion T of the main body 10 and collecting dust contained in the air. The air circulation device 40 is arranged at the upper part of the main body 10 (above the discharge port 30). In this embodiment, the air circulation device 40 is arranged on the ceiling 12.

The air circulation device 40 includes a suction port that sucks air, a discharge port that discharges air, a blower that sucks air from the suction port and discharges it from the discharge port, a purification device that purifies the circulating air, and the like. The suction port and discharge port of the air circulation device 40 are arranged so as to be exposed from the lower surface of the ceiling portion 12 downward (passing portion T). Examples of the purifying device of the air circulation device 40 include a dust filter that can remove dust in the air, a deodorizing filter that can remove odors in the air, and a dust filter that can remove dust in the air flowing in the discharge space. It is possible to use a discharge removal device or the like that can remove the discharge.

By operating the air circulation device 40, air in the passage section T (below the ceiling section 12) of the dust removal device 1 is sucked, dust is removed from the air, and the purified air is returned to the passage section T of the dust removal device 1. can be discharged to In the present embodiment, the air circulation device 40 operates in a state in which it operates at a high air volume (hereinafter also referred to as "strong operation"), a state in which it operates at a low air volume (hereinafter also referred to as "weak operation"), and a state in which it is stopped. You can switch between.

The passage detection sensor 50 shown in FIG. 3 is a sensor that can detect a subject passing through the dust removal device 1. As the passage detection sensor 50, for example, an infrared sensor, an ultrasonic sensor, etc. can be used. The detection method of the passage detection sensor 50 is not limited as long as it can detect the subject. The passage detection sensor 50 is provided, for example, at an appropriate position inside the main body 10 and can detect a subject who has entered the passage part T of the main body 10.

The proximity detection sensor 60 is a sensor that can detect people or objects near the dust removal device 1 . As the proximity detection sensor 60, for example, a sensor similar to the above-described passage detection sensor 50 can be used, but the detection method is not particularly limited. The proximity detection sensors 60 are provided, for example, at appropriate positions on both the front and rear sides of the main body 10, and can detect people or objects approaching the dust removal device 1 from the surroundings.

The control unit 70 controls the dust removal device 1 . The control unit 70 is composed of an arithmetic processing unit such as a CPU, a storage device such as a RAM, a ROM, an HDD, and the like. The control unit 70 can be placed anywhere, such as inside or outside the main body 10.

The control unit 70 is connected to the passage detection sensor 50 and the proximity detection sensor 60, and can acquire the detection results of each sensor. Further, the control unit 70 is connected to the blower 20 and the air circulation device 40, and can control the operations of the blower 20 and the air circulation device 40.

Below, the control mode by the control unit 70 will be explained. The control unit 70 controls "dust removal control" which blows air onto a subject passing through the dust removal device 1 to remove dust attached to the subject, and "collection" which collects (collects) the dust removed from the subject. With dust control, it can be carried out. For example, when the dust removal device 1 is powered on, the control unit 70 performs and executes "dust removal control" and "dust collection control." Hereinafter, "dust removal control" and "dust collection control" will be specifically explained.

First, "dust removal control" will be explained. When the passage detection sensor 50 detects the subject, the control unit 70 operates the blower 20 (removal unit). Thereby, as shown in FIG. 5(b), air is discharged from the discharge port 30, and the air can be blown onto the subject passing through the dust removal device 1. By blowing air onto the subject, dust adhering to the subject can be removed.

Further, the control unit 70 stops the blower 20 when the subject is no longer detected by the passage detection sensor 50. Specifically, the control unit 70 stops the blower 20 when a predetermined period of time (for example, 10 seconds) has passed since the passage detection sensor 50 no longer detects the subject.

In this manner, by executing the "dust removal control", the control unit 70 can blow air onto the subject passing through the dust removal device 1 to remove dust attached to the subject.

Next, "dust collection control" will be explained using the flowchart of FIG.

In step S101, the control unit 70 operates the air circulation device 40 in a weak operation (see FIG. 5(a)). In this way, the control unit 70 basically operates the air circulation device 40 in a weak operation to circulate the air in the passage section T of the dust removal device 1 and collect dust. After executing the process in step S101, the control unit 70 moves to step S102.

In step S102, the control unit 70 determines whether the blower 20 is operating. That is, the control unit 70 determines whether or not dust is currently being removed from the subject using "dust removal control." When the control unit 70 determines that the blower 20 is operating, the process moves to step S103. On the other hand, when the control unit 70 determines that the blower 20 is not operating, it repeatedly performs the process of step S102.

In step S103, the control unit 70 operates the air circulation device 40 in strong operation (see FIG. 5(b)). In this way, the control unit 70 operates the air circulation device 40 at high speed while removing dust from the target person to actively collect the dust removed from the target person, thereby making the dust removal device Contamination of the air in the passage section T of No. 1 can be suppressed. After performing the process in step S103, the control unit 70 moves to step S104.

In step S104, the control unit 70 determines whether a predetermined time (in this embodiment, one minute) has elapsed since the blower 20 stopped. Here, the fact that the blower 20 is stopped means that the blower 20 is stopped after the subject passes through the dust removal device 1 in the "dust removal control". When the control unit 70 determines that the predetermined time has elapsed since the blower 20 stopped, the process proceeds to step S105.

On the other hand, if the control unit 70 determines that the predetermined time has not elapsed since the blower 20 stopped, it repeatedly performs the process of step S104. In this manner, the control unit 70 continues to operate the air circulation device 40 activated in step S103 at high power until a predetermined time has elapsed after the blower 20 stopped (see FIG. 6(a)). As a result, even after the subject passes through the dust removal device 1, the air circulation device 40 actively collects the dust removed from the subject, thereby suppressing the contamination of the air in the passage section T of the dust removal device 1 by dust. be able to.

In step S105, the control unit 70 operates the blower 20 (see FIG. 6(b)). Thereby, the air discharged from the discharge port 30 can stir up dust that has fallen on the floor, and the dust can be actively collected by the air circulation device 40. In particular, in this embodiment, since the discharge port 30 is directed downward, dust that has fallen on the floor can be effectively blown up.

Note that in step S105, air may be discharged from only some of the discharge ports 30 among the plurality of discharge ports 30. For example, among the plurality of discharge ports 30, it is also possible to discharge air only from the lower discharge port 30 (for example, the lowest discharge port 30) that can easily blow air onto the floor. This allows the dust to be kicked up efficiently.

In addition, as a configuration in which air is discharged from only some of the discharge ports 30 in this way, for example, a configuration in which each discharge port 30 is provided with a valve that can be opened and closed and only the valve of the lower discharge port 30 is opened, or It is possible to adopt a configuration in which blowers 20 are individually provided at the discharge ports 30 and only the blowers 20 connected to the lower discharge ports 30 are operated.

After executing the process in step S105, the control unit 70 moves to step S106.

In step S106, the control unit 70 determines whether a person or object near the dust removal device 1 is detected. Specifically, the control unit 70 determines whether the proximity detection sensor 60 detects a person or object. When the proximity detection sensor 60 detects a person or the like, it is considered that there is a possibility that the person or the like passes through the dust removal device 1 . When the control unit 70 detects a person or object near the dust removal device 1, the process moves to step S107. On the other hand, if the control unit 70 does not detect a person or object near the dust removal device 1, the process proceeds to step S108.

In step S107 following step S106, the control unit 70 stops the blower 20. Thereby, the control unit 70 can temporarily stop the blower 20 and wait until the target person passes in preparation for "dust removal control" when an approaching person passes through the dust removal device 1. After performing the process in step S107, the control unit 70 moves to step S101.

On the other hand, in step S108 following step S106, the control unit 70 determines whether a predetermined time (10 seconds in this embodiment) has elapsed since the blower 20 was activated in step S105. When the control unit 70 determines that the predetermined time has elapsed, the process moves to step S107. On the other hand, if the control unit 70 determines that the predetermined time has not elapsed, it repeatedly performs the process of step S108.

In step S107 following step S108, the control unit 70 stops the blower 20. Thereby, the control unit 70 can operate the blower 20 for a predetermined period of time and then stop it. After performing the process in step S106, the control unit 70 moves to step S101.

As described above, in this embodiment, dust can be collected effectively by controlling the operation of the air circulation device 40 according to (in conjunction with) the operation of the removal unit (the blower 20 and the discharge port 30). .

As described above, the dust removal device 1 according to the present embodiment is
A main body 10 forming a passage part T through which the subject can pass;
A removing unit (blower 20) is provided in the main body 10 and removes dust adhering to the subject by discharging air toward the passing part T when the subject passing through the passing part T is detected. and a discharge port 30),
an air circulation device 40 (dust collecting section) that is provided on the upper part of the main body 10 and collects dust in the air while circulating the air in the passage section T;
a control unit 70 that controls the operation of the air circulation device 40 in conjunction with the operation of the removal unit;
It is equipped with the following.
With this configuration, the dust removed from the subject can be effectively collected.

Further, the control unit 70
When the removal section is activated upon detecting the subject passing through the passage section T (YES at step S102), the air volume of the air circulation device 40 is increased (step S103).
With this configuration, the air circulation device 40 can efficiently collect the dust removed from the subject by the removal unit.

Further, the control unit 70
After the target person passing through the passage section T is no longer detected and the removal section stops, the operation of the air circulation device 40 is continued for a predetermined period of time (step S104).
With this configuration, air can be effectively purified by continuing dust collection even after the removal unit (air blower 20) has stopped.

Further, the control unit 70
After the target person passing through the passage section T is no longer detected and the removal section is stopped, after a predetermined period of time has elapsed (YES in step S104), the removal section and the air circulation device 40 are activated (step S105). It is something.
With this configuration, the dust that has fallen on the floor can be kicked up by the wind from the removal section (discharge port 30), and the dust can be effectively collected by the air circulation device 40.

Further, the main body 10 includes:
comprising a ceiling part 12 arranged above the passage part T,
The air circulation device 40 includes:
It is provided in the ceiling section 12.
With this configuration, the ceiling portion 12 can be effectively utilized as a location for arranging the air circulation device 40.

Note that the blower 20 and the discharge port 30 according to the present embodiment are an embodiment of the removing section according to the present invention.
Further, the air circulation device 40 according to the present embodiment is an embodiment of the dust collecting section according to the present invention.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above configuration, and various changes can be made within the scope of the invention described in the claims.

The method of interlocking the removing unit (air blower 20, etc.) and the air circulation device 40 illustrated in this embodiment (see FIG. 4) is an example, and can be arbitrarily changed.

For example, in the present embodiment, the air circulation device 40 normally performs weak operation (step S102), but the present invention is not limited to this. For example, the air circulation device 40 is normally stopped and It is also possible to configure it to operate in weak operation or strong operation depending on the situation.

Further, in this embodiment, an example is shown in which the air circulation device 40 continues to operate even after the blower 20 stops (step S103, step S104), but in this case, the air volume of the air circulation device 40 may also be changed. It is possible. For example, by reducing the air volume of the air circulation device 40 (changing to weak operation) after the blower 20 stops, dust collection can be performed while suppressing the power consumption of the air circulation device 40. In addition, by increasing the air volume of the air circulation device 40 after the blower 20 has stopped (increasing it even more than in high-speed operation), dust floating in the air can be quickly collected, and dust collection can be performed more effectively. be able to.

Similarly, the air volume of the air circulation device 40 after the blower 20 is operated again (step S105) can also be changed arbitrarily.

Further, the configuration of the dust removal device 1 illustrated in this embodiment is an example, and the number, arrangement, shape, etc. of each part can be changed arbitrarily.

For example, in the present embodiment, a gate-shaped dust removal device 1 having a side surface portion 11 and a ceiling portion 12 is illustrated, but the present invention is not limited to this, and the dust removal device 1 can have any configuration. be. For example, it is also possible to configure the dust removal device 1 without providing the ceiling portion 12 and having a pair of side portions 11 or only one of the left and right side portions 11.

Further, in this embodiment, an example is shown in which the air circulation device 40 is provided on the ceiling portion 12, but the arrangement of the air circulation device 40 is not limited to this. For example, it is also possible to provide the air circulation device 40 in the upper part of the side part 11.

Further, the arrangement of the passage detection sensor 50 and the proximity detection sensor 60 illustrated in this embodiment is not particularly limited, and can be arranged at any arbitrary location. For example, it is possible to arrange it not only in the main body 10 of the dust removal device 1 but also outside the main body 10 (at a place away from the main body 10).

1 Dust removal device 10 Main body 12 Ceiling section 20 Air blower 30 Discharge port 40 Air circulation device 70 Control section

Claims (5)

a main body forming a passage through which a subject can pass;
a removal unit provided in the main body and configured to remove dust attached to the subject by discharging air toward the passing part when the subject passing through the passing part is detected;
a dust collection section provided at the upper part of the main body and collecting dust in the air while circulating the air in the passage section;
a control unit that controls the operation of the dust collection unit in conjunction with the operation of the removal unit;
A dust removal device equipped with The control unit includes:
increasing the air volume of the dust collection unit when the removal unit is activated by detecting the subject passing through the passage unit;
The dust removal device according to claim 1. The control unit includes:
After the target person passing through the passage section is no longer detected and the removal section is stopped, the operation of the dust collection section is continued for a predetermined period of time;
The dust removal device according to claim 2. The control unit includes:
After the target person passing through the passage section is no longer detected and the removal section is stopped, the removal section and the dust collection section are operated after a predetermined period of time has elapsed;
The dust removal device according to claim 1. The main body is
comprising a ceiling part arranged above the passage part,
The dust collection section is
provided in the ceiling part,
The dust removal device according to any one of claims 1 to 4.

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