KR20200080392A - Autonomous electric fan having ait purification function - Google Patents

Abstract

The present invention relates to an autonomous electric fan having an air purification function, which comprises: a base unit which includes a base plate and a case; an electric fan unit which is rotatably installed on an upper side of the case, and blows air towards a user; an air purifying unit which is installed in the case, and purifies and discharges the air; a sensor unit which is installed on the base unit or the electric fan unit, and detects changes in the position of the user and the surrounding environment; an autonomous driving unit which is installed on the bottom surface of the base plate, and provides a driving force for driving the base unit to follow the user; and a control unit which controls the autonomous driving unit to drive in accordance with changes in the position of the user detected by the sensor unit, controls the wind speed of the electric fan unit in accordance with the changes in the surrounding environment detected by the sensor unit, and controls the air purifying unit to purify the air. The present invention aims to provide an autonomous electric fan which is able to control the wind speed in accordance with the changes in the surrounding environment and to purify the air.

Description

Self-driving electric fan with air purification function {AUTONOMOUS ELECTRIC FAN HAVING AIT PURIFICATION FUNCTION}

The present invention relates to an autonomous driving fan technology having an air purification function, and more specifically, while controlling the user to follow the user's position change, adjust the blowing direction and adjust the wind speed and purify the air in response to changes in the surrounding environment. It relates to an autonomous driving fan with an air purification function to enable.

Seasonal air-conditioning products such as air conditioners, air purifiers, fans, and heaters are widely used in each household. The most representative of these can be called a'electric fan'.

In general, an electric fan is a device that rotates a propeller blade using an electric motor to generate wind, and is mainly used to feel cool in a hot summer, and is also used for air circulation in a cloudy environment.

The electric fan is composed of a stand portion including a base portion and a support, a head portion having a wing portion that is rotatable on the upper portion of the stand portion and rotates by a driving portion to generate wind.

The base portion is provided with an operation portion for manipulating operations such as rotational strength, operating time, left and right rotation, and is configured to manipulate the operation of the fan by manual operation of the user.

Recently, a technology for controlling the operation of the fan by operating the remote controller in a state away from the fan has been developed and used even if the user does not directly operate the operation unit of the base unit by having a remote controller or the like.

However, since these conventional electric fans are operated while being fixed to the support surface, when the user moves to a remote place around the electric fan, there is a hassle that the user has to directly operate the electric fan after moving it to a moving place.

In addition, when the user moves the position of the fan around the fan to a region at a different angle from the location where the fan's wind is blown, there is a pity that the fan's wind is not transmitted to the user. In this case, the existing fan simply has a function of repeating left and right rotation, but when the user wants to move the seat and continuously wind, there is a pity that the function of repeating left and right rotation does not satisfy the user.

On the other hand, when a fan is operated indoors, there is a problem that dust and impurities present in the room are scattered and flow into the respiratory tract. The demand for air purifiers for the purification of water is rapidly increasing, but there is a problem in that the purchase cost of a relatively expensive air purifier is burdensome because it has to be purchased separately from a fan.

Korean Registered Utility Model No. 20-0460524 (2012.05.16) relates to an electric fan having an ultra-fine wind operation function, which is different from commercial power supplied from a voltage controller controlled by a control module according to an optional operation signal of the operation unit. In constructing a fan that selectively applies a driving voltage of a level to a motor to determine the rotational force of a rotary blade connected to the shaft of the motor, an ultra-breeze mode is configured in an operation unit of the fan, and the motor is driven in the fan By selecting one of a breeze mode, a weak wind mode, or a strong wind mode that is driven with a voltage higher than the voltage, the motor is initially driven with the driving voltage of the selected mode so that the rotating blades are rotated, but the ultra breeze mode is selected. When the voltmeter is under the control of the control module, the motor is supplied with a starting voltage that lowers the driving voltage according to the commercial power so that the residual rotational force of the rotating blade generated when the driving voltage of the selected mode is turned off is maintained below a certain speed. And the motor is supplied with a voltage drop from the voltage drop unit so that the residual rotational force of the rotating blade generated when the driving voltage is turned off is maintained within a range of 200 to 300 rpm when the ultra-breeze mode is selected. It is configured to generate a driving force in an ultra-breeze state from a starting voltage, and the motor is provided with a sensing sensor for measuring the rotational speed, but when the voltage required for the rotational speed measured by the sensing sensor is outside the range of the starting voltage, the starting It characterized in that it comprises a sub-controller for controlling the voltmeter to be adjusted to the voltage.

Korean Registered Patent No. 10-1876225 (2018.07.03) relates to an air purifier, a body case having an inlet through which air is introduced and an outlet through which air is discharged, a filter unit to purify air introduced through the inlet, Humidification unit for humidifying the purified air in the filter unit, flow control unit for adjusting the amount of air flowing to the humidification unit, installed in the case of the body, a fan for generating driving force to flow air, contained in outside air A sensing unit having a dust amount measuring sensor for measuring the amount of dust and a humidity measuring sensor for measuring the humidity of the outside air, and controlling the driving of the flow path control unit based on the measured values of the dust amount measuring sensor and the humidity measuring sensor. The control unit includes an air cleaning mode that purifies and discharges the air introduced through the inlet through the filter unit but does not pass through the humidifying unit and the air introduced through the inlet unit into the filter unit. After purification by air, the air cleaning and humidifying mode to be humidified and discharged by the humidifying unit is performed. However, the control unit may clean the air when the humidity of the external air is less than a preset preset humidity and the amount of dust in the external air is less than a preset value. And a humidifying mode is performed, and when the humidity of the outside air is less than the preset humidity and the amount of dust in the outside air is equal to or greater than the preset value, the supply clean mode is performed for at least a predetermined time.

Korean Registered Utility Model No. 20-0460524 (2012.05.16) Korean Registered Patent No. 10-1876225 (2018.07.03)

An embodiment of the present invention is an autonomous driving fan equipped with an air purifying function that controls the blowing direction while driving to follow the user according to the change of the user's position, and controls the wind speed and purifies the air according to changes in the surrounding environment. Want to provide.

One embodiment of the present invention is to provide a self-driving fan having an air purification function that is configured to check the real-time ambient temperature based on the IoT so that the fan can be automatically driven.

In embodiments, an autonomous driving fan having an air purification function includes a base portion composed of a base plate and a case, a fan portion rotatably installed on the upper portion of the case and blowing wind toward the user, inside the case An air purifying unit installed to purify and discharge air, a sensor unit installed in the base unit or the fan unit to sense a change in the user's position and surrounding environment, installed on the bottom surface of the base plate, and the base unit for the user An autonomous driving unit that gives driving force for driving of the base unit to follow, and controls the autonomous driving unit to drive according to a change in the position of the user detected by the sensor unit, and the surrounding environment sensed by the sensor unit It includes a control unit for controlling the wind speed of the fan unit in accordance with the change and to be able to purify the air in the air purification unit.

The sensor unit may include a human body sensor that senses the user's location and movement, a temperature sensor that senses ambient temperature, a humidity sensor that senses ambient humidity, and an air quality sensor that senses ambient air quality.

The fan unit may include a head that blows wind to the user, and a head rotation driving member that rotates the head so that the blowing direction of the head faces the user according to the location of the user.

The air purification unit is installed inside the base portion and filters the incoming air to filter purified air to pass through, and installed on the bottom surface of the base plate to discharge purified clean air that has passed through the filter element to the outside. It may include an air outlet.

The autonomous driving unit includes a plurality of driving wheels rotatably installed on both left and right sides of the rear surface of the bottom surface of the base plate, an idle roller installed in the middle of the front surface of the base plate, and installed inside the base portion and the Each of the plurality of driving wheels may include a plurality of driving driving members that are independently driven, and a power member that includes a rechargeable battery and supplies power.

The controller may control the autonomous driving unit to charge the battery by recognizing the position of the charging cradle through the sensor unit and recharging the recognized position of the charging cradle when the charge amount of the battery is equal to or less than a predetermined amount.

The disclosed technology can have the following effects. However, since a specific embodiment does not mean that all of the following effects should be included or only the following effects are included, the scope of rights of the disclosed technology should not be understood as being limited thereby.

An autonomous driving fan having an air purification function according to an embodiment of the present invention follows the fan while maintaining a certain distance from the user while blowing the air to the user, so that the blowing direction is directed toward the user's moving direction. , Even if the user moves the location, it can be conveniently used without the need to move and move the fan as in the past.

An autonomous running fan equipped with an air purification function according to an embodiment of the present invention automatically adjusts the wind speed of the fan according to changes in ambient temperature and humidity and stops operation when the user is absent to change itself in the surrounding environment. Because it is responsive, it can be used more conveniently without the user having to manually operate it.

An autonomous traveling fan equipped with an air purification function according to an embodiment of the present invention is equipped with an air purification configuration to purify air according to ambient temperature and air, so it is not necessary to purchase and install a separate air purification product. You can create an environment.

An autonomous driving fan having an air purification function according to an embodiment of the present invention may operate in conjunction with peripheral air conditioning and heating devices such as air conditioners based on IoT.

1 is a view showing the external configuration of an autonomous driving fan having an air purification function according to an embodiment of the present invention.
FIG. 2 is a view showing the bottom configuration of the self-driving fan in FIG. 1.
3 is a view showing the internal configuration of the self-driving fan in FIG.
4 is a flowchart illustrating a process of performing a first operation mode in an autonomous driving fan having an air purification function according to an embodiment.
5 is a flowchart illustrating a process of performing a second operation mode in an autonomous driving fan having an air purification function according to an embodiment.
6 is a flowchart illustrating a process of performing a third operation mode in an autonomous driving fan with an air purification function according to an embodiment.

Since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be interpreted as being limited by the embodiments described in the text. That is, since the embodiments can be variously changed and have various forms, it should be understood that the scope of the present invention includes equivalents capable of realizing technical ideas. In addition, the purpose or effect presented in the present invention does not mean that a specific embodiment should include all of them or only such an effect, and the scope of the present invention should not be understood as being limited thereby.

Meanwhile, the meaning of terms described in the present application should be understood as follows.

Terms such as “first” and “second” are for distinguishing one component from other components, and the scope of rights should not be limited by these terms. For example, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.

When a component is said to be "connected" to another component, it may be understood that other components may exist in the middle, although they may be directly connected to other components. On the other hand, when a component is said to be "directly connected" to another component, it should be understood that no other component exists in the middle. On the other hand, other expressions describing the relationship between the components, that is, "between" and "immediately between" or "adjacent to" and "directly neighboring to" should be interpreted similarly.

Singular expressions are to be understood as including plural expressions unless the context clearly indicates otherwise, and terms such as “comprises” or “have” are used features, numbers, steps, actions, elements, parts or the like. It is to be understood that a combination is intended to indicate the existence, and does not preclude the existence or addition possibility of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

In each step, the identification code (for example, a, b, c, etc.) is used for convenience of explanation. The identification code does not describe the order of each step, and each step clearly identifies a specific order in context. Unless stated, it may occur in a different order than specified. That is, each step may occur in the same order as specified, or may be performed substantially simultaneously, or in the reverse order.

All terms used herein have the same meaning as generally understood by a person skilled in the art to which the present invention pertains, unless otherwise defined. The terms defined in the commonly used dictionary should be interpreted as being consistent with meanings in the context of the related art, and cannot be interpreted as having ideal or excessively formal meanings unless explicitly defined in the present application.

1 and 2 are views showing the outer and bottom surfaces of an autonomous driving fan having an air purifying function according to an embodiment of the present invention.

1 and 2, the autonomous traveling fan 100 includes a base unit 110, an autonomous traveling unit 120, an electric fan unit 130, an air purifying unit 140, and a control unit 160. .

The base portion 110 includes a rectangular base plate 111 and a rectangular cylindrical outer case 113 mounted on the base plate 111. Here, the base portion 110 is formed of a substantially rectangular tubular body, but is not limited thereto, and may be implemented in various shapes such as a cylindrical shape, if necessary.

The autonomous driving unit 120 may be installed on the bottom surface of the base unit 110 and impart a driving force for driving the base unit 110. In one embodiment, the autonomous driving unit 120 includes a plurality of driving wheels 121 and 123 and an idle roller 125. Here, the plurality of driving wheels 121 and 123 is composed of a first driving wheel 121 and a second driving wheel 123 which are respectively rotatably installed on both sides of a rear portion of a bottom surface of the base plate 111. The idle roller 125 is installed at an intermediate position of the front surface of the bottom surface of the base plate 111.

In one embodiment, the autonomous driving unit 120 is installed inside the base unit 110 and is configured to include a plurality of driving driving members that independently drive the plurality of driving wheels 121 and 123, respectively. Here, the plurality of driving driving members may be implemented as a motor. Accordingly, the first driving wheel 121 and the second driving wheel 123 rotate in the forward direction at the same speed, so that the base 110 can go straight. The first driving wheel 121 and the second driving wheel 123 also allow the vehicle to travel in various forms, such as rotating at a predetermined angle by varying the rotational speed or moving straight or backward in the forward direction.

The fan unit 130 is rotatably installed on the upper portion of the base portion 110, that is, the case 113, and blows wind toward the user. In one embodiment, the fan 130, the head 131 for blowing the wind to the user, and the head rotation drive to rotate the head 131 so that the blowing direction of the head 131 toward the user according to the user's location It may include a member 133. Here, the head 131 may be implemented in the form of a conventional fan in which a plurality of propeller wings are connected to a hub, but may be implemented in the form of a tower fan without a propeller wing. Here, the head rotation driving member 133 is installed between the base portion 110 and the head 131 and rotates the head 130 to the left or right at a predetermined angle so that the blowing direction can be adjusted. Here, the head rotation driving member 133 may be implemented as a motor.

The air purification unit 140 may be installed inside the base 110 to purify the surrounding air. In one embodiment, the air purification unit 140 may include an air outlet 141 to discharge purified air to the bottom surface of the base unit 110.

The control unit 150 is installed inside the base unit 110 to control the overall operation of each component. In one embodiment, the control unit 150 controls the driving driving of the autonomous driving unit 120 to autonomously move by following the user's position change, and the head rotation driving member 133 to allow the blowing direction to move according to the user's movement ) Can be controlled. In one embodiment, the control unit 150 may control wind speed and air purification functions in response to changes in the surrounding environment.

3 is a view showing the internal configuration of the self-driving fan 100 in FIG.

Referring to FIG. 3, the autonomous driving fan 100 includes a sensor unit 310, an electric fan unit 320, an air purification unit 330, an autonomous driving unit 340, and a control unit 350. 200).

The sensor unit 310 may include a human body sensor 311, a temperature sensor 313, a humidity sensor 315, and an air quality sensor 317.

The human body sensor 311 is installed on the base unit 110 or the fan unit 320 to detect the location information of the user (human body) in front of the fan unit 320 and outputs a detection signal to the control unit 350. . Here, the location information may be composed of the user's absolute coordinate or distance and azimuth angle to the fan unit 320.

In one embodiment, the human body sensor 311 may be implemented as a conventional infrared sensor, ultrasonic sensor, camera sensor, and the like, but is not limited thereto.

The temperature sensor 313 and the humidity sensor 315 detect the ambient temperature and humidity and output a detection signal to the control unit 350.

The air quality sensor 317 detects a contamination state including fine dust in the ambient air and outputs a detection signal to the control unit 350.

As shown in FIG. 1, the fan unit 320 may include a head 131 and a head rotation driving member 133 and control the blowing direction and wind speed under the control of the control unit 350 to perform the fan function. .

The air purification unit 330 may purify the air according to the ambient temperature and air quality and discharge the purified air through the air outlet 141 of FIG. 1. In one embodiment, the air purification unit 330 may include a filter member 331 for air purification. Here, the filter member 331 is installed inside the base portion 110, but can be installed along the circumference of the case 113. In one embodiment, the filter member 331 is a microfiber-free filter capable of removing dust or pet hair, a dust filter or hepa filter capable of removing dust according to size, or a harmful gas and odor. Deodorizing filters and the like can be used.

The autonomous driving unit 340 may include a plurality of driving driving members 341 that independently drive the plurality of driving wheels 121 and 123 as illustrated in FIG. 1. In one embodiment, the autonomous driving unit 340 may be supplied with external power, including a power member 343, to use it as an operation power source or charge a battery to use it as an operation power source. That is, a rechargeable battery (Li-ion) may be attached to the power supply member 343. In one embodiment, the autonomous driving unit 340 moves to a charging cradle (not shown) when the battery charge amount of the power member 343 falls below a predetermined amount and allows the battery to return to its previous position after charging is completed. At this time, the position of the charging cradle can be detected through the sensor unit 310.

The control unit 350 is electrically connected to each component, and receives the detection signal from the sensor unit 310 to control the overall operation of the fan unit 320, the air purification unit 330, and the autonomous driving unit 340. Can. In one embodiment, the control unit 350 controls the driving of the driving driving member 341 in the direction of the user by detecting the motion according to the detection signal of the human body sensor 311 so that the fan unit 320 Follow the user to drive. In addition, the control unit 350 adjusts the wind speed of the fan unit 320 according to the detection signals of the temperature sensor 313 and the humidity sensor 315 to make the blowing. At this time, the control unit 350 controls the driving driving member 341 of the autonomous driving unit 340 so that the distance between the fan unit 320 and the user is maintained at a predetermined distance, for example, 1.5 m to 2 m. Accordingly, even if the user moves away from the fan unit 320, the fan unit 320 moves along the user moving a certain distance from the user while maintaining a predetermined distance, thereby blowing the wind toward the user. There is no need to transport, install, and restart the fan.

In one embodiment, the control unit 350 drives the air purification unit 330 according to the detection signals of the temperature sensor 313, the humidity sensor 315, and the air quality sensor 317 so that air cleaning and purification are performed. Accordingly, it is possible to implement a comfortable environment even if the air purifier product is not separately installed.

In one embodiment, the control unit 350 may receive a remote control through the remote control 200 to control the operation of each component.

Meanwhile, the self-driving fan 100 with an air purification function according to an embodiment may be operated in three operation modes.

The first operation mode is a mode in which an autonomous movement follows the user's position change and blows toward the user.

The second operation mode is a mode in which wind speed and power are cut off in response to changes in the surrounding environment.

The third operation mode is an air purification mode providing a healthy use environment.

In addition, the autonomous driving fan 100 having an air purification function according to an embodiment may connect to a surrounding air conditioner such as an air conditioner and network with an air conditioner based on IoT to detect a surrounding situation and adjust the fan 100 to adjust wind speed and the like. You may.

4 is a flowchart illustrating a process of performing a first operation mode in an autonomous driving fan having an air purification function according to an embodiment.

In FIG. 4, the autonomous driving fan 100 receives the detection signal of the human body sensor 311 and recognizes the user's location (step S410). Here, the control unit 350 may receive a detection signal for the user's location information from the human body sensor 311 to recognize the user's location. In one embodiment, when using two camera sensors as the human body sensor 311, the controller 350 recognizes the user's location by measuring the distance to the user using the difference between the images acquired by the two cameras can do. Here, the distance from the user can be obtained through the following equation.

[Equation 1]

Here, r is the distance from the user, b is the distance between the two cameras, f is the focal length of the camera lens, and d is the distance difference between the same subjects on the two images.

The autonomous driving fan 100 tracks the recognized user's location and controls the autonomous driving of the autonomous driving unit 340 when there is a position change to follow the user to drive (step S420). In one embodiment, the control unit 350 controls the plurality of driving driving members 341 to drive the plurality of driving wheels 121 and 123 to track the user.

The autonomous driving fan 100 rotates the head 131 through the head rotational driving member 133 to blow air toward the user when tracking to a certain distance based on the user's location (step S430). In one embodiment, the control unit 350 detects the user's movement and controls the head rotation driving member 133 according to the detected movement so that the blowing direction of the head 131 can be moved.

5 is a flowchart illustrating a process of performing a second operation mode in an autonomous driving fan having an air purification function according to an embodiment.

In FIG. 5, the autonomous driving fan 100 receives the detection signals from the temperature sensor 313 and the humidity sensor 315, respectively, and recognizes temperature and humidity (step S510). Here, the control unit 350 may recognize the ambient temperature and humidity from the temperature sensor 313 and the humidity sensor 315.

The autonomous driving fan 100 receives a detection signal from the human body sensor 311 and recognizes whether the user is absent (step S520). Here, the control unit 350 may recognize the user as absent when the user does not exist or deviates from the region of a certain radius according to the detection signal output from the human body detection signal 311.

The autonomous driving fan 100 stops the operation by cutting off the power when it is recognized that the user is absent (step S530). In one embodiment, the control unit 350 may block the power switch so that the operating power is not supplied from the power member 343 of the autonomous driving unit 340.

The autonomous driving fan 100 adjusts the wind speed of the fan unit 320 so that the ambient temperature and humidity can be adjusted to the set temperature and humidity when it is recognized that the user is not absent (step S540). Here, the control unit 350 keeps track of the ambient temperature and humidity to stop the operation of the fan unit 320 when the ambient temperature and humidity reach the set temperature and humidity. In other words, you can react to changes in the surrounding environment yourself. Here, the set temperature and humidity are prioritized by user manipulation through the remote controller 200, but the user may set the desired temperature and humidity by remembering the temperature that is mainly set by the user.

6 is a flowchart illustrating a process of performing a third operation mode in an autonomous driving fan having an air purification function according to an embodiment.

In FIG. 6, the autonomous driving fan 100 receives a detection signal from the air quality sensor 317 and recognizes the surrounding air quality (step S610).

The autonomous driving fan 100 operates the air purifying unit 330 to inhale ambient air and passes through the filter member 331 to remove contaminants including fine dust when it is necessary to purify the air from the recognized air quality. The discharged air is discharged through the air outlet 141 (step S620).

An autonomous driving fan equipped with such an air purifying function is equipped with an air purifying function to provide a healthy use environment, such as increasing the physical immunity of the elderly due to fine dust, and the blowing direction and wind speed are automatically adjusted according to the indoor situation and the power is cut off. Energy efficiency.

Although described above with reference to preferred embodiments of the present invention, those skilled in the art variously modify and change the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. You can understand that you can.

100: self-driving fan
110: base unit 120,340: autonomous driving unit
130,320: Fan
131: head 133: head rotation drive member
140,330: Air purification unit 141: Air outlet
150,350: Control
200: remote control
310: sensor unit 311: human body sensor
313: temperature sensor 315: humidity sensor
317: air quality sensor
331: filter member
341: a plurality of driving members 343: power member

Claims (6)

A base portion composed of a base plate and a case;
A fan unit rotatably installed on the upper portion of the case to blow wind toward the user;
An air purification unit installed inside the case to purify and discharge air;
A sensor unit installed in the base unit or the fan unit and detecting a change in the user's location and a change in the surrounding environment;
An autonomous driving unit installed on a bottom surface of the base plate and imparting driving force for driving of the base unit so that the base unit follows the user; And
Control the autonomous driving unit to drive according to the change in the position of the user detected by the sensor unit, control the wind speed of the fan unit according to the change in the surrounding environment detected by the sensor unit, and control the air from the air purification unit An autonomous driving fan having an air purification function including a control unit to control purification.
The method of claim 1, wherein the sensor unit
A human body sensor for detecting the user's position and movement;
A temperature sensor for sensing the ambient temperature;
A humidity sensor for sensing ambient humidity; And
An autonomous driving fan with an air purification function, comprising an air quality sensor that senses the surrounding air quality.
According to claim 1, wherein the fan unit
A head for blowing wind to the user; And
An autonomous driving fan with an air-air purification function, comprising a head rotation driving member for rotating the head so that the blowing direction of the head faces the user according to the user's position.
According to claim 1, The air purification unit
A filter member installed inside the base part to filter the incoming air to pass purified clean air; And
It is installed on the bottom surface of the base plate and an autonomous driving fan with an air purification function, characterized in that it comprises an air outlet for discharging purified clean air that has passed through the filter member to the outside.
According to claim 1, The autonomous driving unit
A plurality of drive wheels respectively rotatably installed on the left and right sides of the rear surface of the base plate;
An idle roller installed in the middle of the front face of the bottom of the base plate;
A plurality of driving driving members installed inside the base part and independently driving the plurality of driving wheels; And
An autonomous driving fan having an air purification function including a rechargeable battery and a power supply member for supplying power.
The method of claim 5, wherein the control unit
When the charge amount of the battery is less than or equal to a predetermined amount, the air purifying function is characterized by recognizing the position of the charging cradle through the sensor unit and controlling the autonomous driving unit to charge the battery by traveling to the recognized position of the charging cradle. Self-driving fan equipped with.

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