KR102641262B1 - Driving assistance stroller with air purifier - Google Patents

Abstract

A driving assistance stroller equipped with an air purifier according to an embodiment of the present invention is a stroller having a frame, a rotating wheel that rotates relative to the frame, and a fixed wheel that does not rotate relative to the frame. It determines that the user is pushing the stroller, and the stroller If it is determined that the stroller is located on a downhill side, it generates electricity when the fixed wheel rotates, and if it is determined that the user is pushing the stroller, and if it is determined that the stroller is located on an uphill side, the fixed wheel is turned when the fixed wheel rotates. By rotating the stroller, the kinetic energy of the wheels can be converted into electrical energy to charge the battery or participate in the driving of the wheels, depending on whether the user is pushing the stroller and whether the stroller is going downhill or uphill. It has the effect of being able to perform more effectively.

Description

Driving assistance stroller with air purifier installed {DRIVING ASSISTANCE STROLLER WITH AIR PURIFIER}

The present invention relates to a stroller, and more specifically to a driving assistance stroller equipped with an air purifier.

Recently, Korea's air quality has been rapidly deteriorating. Air pollutants generated as a result of China's rapid industrialization are landing in Korea in yellow dust, and as a result, the concentration of harmful heavy metals in the air in Korea is exceeding the level of concern. Even if you live inside, pollutants such as fine dust, formaldehyde, and floating bacteria are contaminating the indoor air, which causes building diseases such as dryness and pain in the nose, eyes, and throat, sneezing, nasal congestion, and fatigue. Sick building syndrome has been reported to occur.

In this environment, sales of air purification devices that can purify polluted air are increasing.

Currently commercially available air purification devices have various filters inside, and purify the air by introducing polluted air and physically filtering or adsorbing polluting particles through the filter.

There is no difficulty in using these air purifying devices in buildings or vehicles where electricity can be continuously supplied, but there is a problem in using them in places where electricity cannot be continuously supplied. In particular, strollers used by infants and toddlers only indirectly block the outside world by covering them, and do not actively use air purification devices.

Republic of Korea Patent Publication No. 10-2017-0138289 (published on December 15, 2017)

The driving assistance stroller equipped with an air purifier according to the present invention is intended to solve the above-mentioned problem. It determines the driving state when the stroller is driven and converts the kinetic energy of the wheels driven for driving into electric energy to use electricity such as an air purifier. We want to be able to supply it to the devices in use.

In addition, the driving assistance stroller equipped with an air purifier according to the present invention determines whether the user is pushing the stroller, and when the wheels of the stroller are driven while the user is not pushing the stroller, it is determined that the stroller is sliding against the user's intention. The purpose is to convert the kinetic energy into electrical energy when driving the wheel, thereby suppressing the driving of the wheel.

In addition, when the driving assistance stroller equipped with the air purifier according to the present invention is determined to be running downhill through an incline sensor, the drive energy of the wheels is converted into electrical energy to charge the battery, and when it is judged to be running uphill. The goal is to use a charged battery to drive the wheels to assist driving.

In addition, the driving assistance stroller equipped with an air purifier according to the present invention is intended to compare the state of charge of the battery of the air purifier and the battery of the stroller so that the battery of the air purifier can be charged using the battery of the stroller.

A driving assistance stroller equipped with an air purifier according to an embodiment of the present invention is a stroller having a frame, a rotating wheel that rotates relative to the frame, and a fixed wheel that does not rotate relative to the frame. It determines that the user is pushing the stroller, and the stroller If it is determined that the stroller is located on a downhill side, it generates electricity when the fixed wheel rotates, and if it is determined that the user is pushing the stroller, and if it is determined that the stroller is located on an uphill side, the fixed wheel is turned when the fixed wheel rotates. It is driven to rotate.

The frame of the driving assistance stroller equipped with an air purifier according to an embodiment of the present invention has two frames rearward and one or more fronts arranged at the bottom, and a driving part is disposed in the rear frame among the frames, and the side of the driving part It is preferable that a fixed wheel is disposed at the end, and a rotating wheel is disposed on the frame disposed at the front of the frame.

The driving unit of the driving assistance stroller equipped with an air purifier according to an embodiment of the present invention is disposed with a motor generator consisting of a driving unit housing, a stator fixed inside the driving unit housing, and a rotor disposed inside the stator, and the rotor is fixed. It is desirable that the wheel axle coupled to the wheel is coupled to generate power when the fixed wheel rotates or to rotate the fixed wheel.

A handle that the user grasps is extended to the rear of the upper side of the frame of the driving assistance stroller with an air purifier installed according to an embodiment of the present invention, and a contact sensor that senses the user's hand is disposed on the handle, allowing the user to use the handle. When grasping, it is desirable to generate an event.

The frame of a driving assistance stroller equipped with an air purifier according to an embodiment of the present invention includes a tilt sensor that senses whether the stroller is located on a downhill or uphill slope, a control unit connected to the tilt sensor and a contact sensor, and a motor generator connected to the frame. A rectifying unit and a stroller battery that stores the electricity rectified by the rectifying unit are arranged, and the control unit is connected to the rectifier unit and the stroller battery. The contact sensor determines that the user is holding the handle, and the incline sensor determines that the stroller is located on a downhill slope. In this case, electricity is generated from the motor generator and supplied to the rectifier, and the rectified electricity is supplied to the stroller battery. The control unit determines that the user is holding the handle, and the incline sensor determines that the stroller is uphill. In this case, it is desirable to supply electricity from the stroller battery to the motor generator to drive the fixed wheel.

If the control unit of the driving assistance stroller equipped with an air purifier according to an embodiment of the present invention determines that the user is not holding the handle through the contact sensor, the control unit generates electricity from the motor generator and sends it to the rectifier when the fixed wheel rotates. It is desirable to supply the electricity rectified in the rectifier to the stroller battery.

The frame of a driving assistance stroller equipped with an air purifier according to an embodiment of the present invention includes a filter unit consisting of an inlet filter that primarily filters external air, an exhaust filter that secondarily filters the air filtered by the inlet filter, and an inlet filter. The air purifier consists of a fan placed between the air purifier and the exhaust filter to bring in outside air and move the air to the discharge filter, a purifier battery that supplies power to the fan, and a purifier control unit connected to the purifier battery and the fan. Possibly combined, when the air purifier is combined with the frame, it is preferable that the purifier battery is connected to the control unit.

The control unit of the driving assistance stroller equipped with an air purifier according to an embodiment of the present invention senses the charge state of the purifier battery and the charge state of the stroller battery, and when the charge amount of the purifier battery is less than the charge amount of the stroller battery, the stroller battery is used. Therefore, it is desirable to charge the purifier battery.

The driving assistance stroller equipped with an air purifier according to the present invention converts the kinetic energy of the wheels into electrical energy to charge the battery or participates in the driving of the wheels depending on whether the user is pushing the stroller and whether the stroller is downhill or uphill. This has the effect of allowing you to drive more effectively.

Additionally, by comparing the state of charge of the air purifier battery and the stroller's battery, there is an effect of being able to charge the air purifier battery using the stroller's battery.

In addition, when the wheels of the stroller are driven when the user is not pushing the stroller, the kinetic energy of the wheels is converted into electrical energy to prevent the wheels from being driven, thereby preventing accidents that may occur. .

Figure 1 is a perspective view of a driving assistance stroller equipped with an air purifier according to an embodiment of the present invention.
FIG. 2 is a control flowchart of the driving assistance stroller equipped with the air purifier shown in FIG. 1.
Figure 3 is a cross-sectional view of the fixed wheel of the driving assistance stroller installed with the air purifier shown in Figure 1.
FIG. 4 is an enlarged view of the handle of the driving assistance stroller in which the air purifier shown in FIG. 1 is installed.
Figure 5 is a control block diagram of the driving assistance stroller installed with the air purifier shown in Figure 1.

Specific structural or functional descriptions of the embodiments are disclosed for illustrative purposes only and may be modified and implemented in various forms. Accordingly, the embodiments are not limited to the specific disclosed form, and the scope of the present specification includes changes, equivalents, or substitutes included in the technical spirit.

Terms such as first or second may be used to describe various components, but these terms should be interpreted only for the purpose of distinguishing one component from another component. For example, a first component may be named a second component, and similarly, the second component may also be named a first component.

When a component is referred to as being “connected” to another component, it should be understood that it may be directly connected or connected to the other component, but that other components may exist in between.

Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as “comprise” or “have” are intended to designate the presence of the described features, numbers, steps, operations, components, parts, or combinations thereof, and are intended to indicate the presence of one or more other features or numbers, It should be understood that this does not exclude in advance the possibility of the presence or addition of steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the relevant technical field. Terms as defined in commonly used dictionaries should be interpreted as having meanings consistent with the meanings they have in the context of the related technology, and unless clearly defined in this specification, should not be interpreted in an idealized or overly formal sense. No.

Hereinafter, the driving assistance stroller equipped with an air purifier according to the present invention will be described in detail with reference to the drawings.

Figure 1 is a perspective view of a driving assistance stroller equipped with an air purifier according to an embodiment of the present invention, Figure 2 is a control flow chart of the driving assistance stroller equipped with an air purifier shown in Figure 1, and Figure 3 is a control flow chart shown in Figure 1. This is a cross-sectional view of the fixed wheel of a driving assistance stroller with an air purifier installed.

In addition, FIG. 4 is an enlarged view of the handle of the driving assistance stroller equipped with the air purifier shown in FIG. 1, and FIG. 5 is a control block diagram of the driving assistance stroller equipped with the air purifier shown in FIG. 1.

As shown in Figure 1, the driving assistance stroller with an air purifier installed has a frame 101, a rotating wheel 110 that rotates against the frame 101, and a fixed wheel 120 that does not rotate against the frame 101. With the stroller 100, as shown in FIG. 2, when it is determined that the user is pushing the stroller 100 and the stroller 100 is located on a downhill slope, electricity is generated when the fixed wheel 120 rotates. generates power to prevent excessive rotation of the fixed wheel 120, and charges the battery with electricity generated when the fixed wheel 120 rotates. Conversely, when the user determines that the stroller 100 is pushing the stroller 100 and the stroller 100 is located uphill, the fixed wheel 120 is rotated using the electric energy stored in the battery 150 of the stroller 100. This allows the stroller 100 to move uphill more easily.

Referring to FIG. 1, the driving assistance stroller equipped with an air purifier according to an embodiment of the present invention is a stroller 100 with two frames 101 disposed at the front and rear, respectively, and a frame 101 disposed at the rear. A driving unit 130 is disposed, and a fixed wheel 120 is disposed at a side end of the driving unit 130. Additionally, a rotating wheel 110 is disposed on the frame 101 disposed in the front.

At this time, the fixed wheel 120 means that the wheel does not rotate based on the frame 101, and the rotating wheel 110 means that the wheel rotates based on the frame 101 to change direction. .

In the embodiment of Figure 1, it is shown that two frames 101 are disposed at the front and rear, respectively. However, it is not necessary that two frames 101 are disposed at the front and rear, and the frame disposed at the front is at least More than one can be placed.

The driving unit 130 will be described in more detail with reference to FIG. 3 as follows.

The drive unit 130 includes a drive unit housing 132, a motor generator 134 fixed inside the drive unit housing 132, and a wheel axle 122 coupled to the motor generator 134 and the fixed wheel 120.

The drive housing 132 is one in which the motor generator 134 and the wheel shaft 122, which constitute the drive unit 130, are disposed inside, and can be formed in various shapes. In the case of this embodiment, it is cylindrical as shown in FIG. 3. formed into a shape.

Inside the drive housing 132, a motor generator 134 consisting of a stator 134a and a rotor 134b is disposed. A commonly used motor may be used as this motor generator 134. The wheel shaft 122 is coupled to the rotor 134b, and electricity is applied to the motor generator 134, causing the rotor 134b and the wheel shaft 122 coupled to the rotor 134b to rotate.

At this time, since the fixed wheel 120 is coupled to the heel shaft 122, when electricity is applied to the motor generator 134, the fixed wheel 120 rotates, and electricity is not applied to the motor generator 134. When the fixed wheel 120 rotates, the wheel shaft 122 coupled to the fixed wheel 120 rotates, and the rotor 134b coupled to the wheel shaft 122 rotates, so that the motor generator 134 generates electricity.

A handle 140 that the user holds is extended to the rear of the upper side of the frame 101 of the driving assistance stroller with such an air purifier installed, as shown in FIG. 4, and the handle 140 is equipped with a contact sensor 142 that senses the user's hand. ) is placed.

Therefore, when the user holds the handle 140 to push the stroller 100, the contact sensor 142 generates a signal by sensing whether the user holds the handle 140. Based on these signals, the control unit, which will be described later, determines whether the user is in a state to use the stroller or is in a state where the stroller is in a reclining state.

Specifically, an inclination sensor 136 is disposed on the frame 101 of the driving assistance stroller in which the air purifier is installed to sense whether the stroller 100 is located on a downhill or uphill slope.

The inclination sensor 136 senses the inclination of the ground on which the stroller is placed according to the height of the rotation wheel 110 and the driving wheel 120 of the stroller, and a sensor made of a ball, fluid, etc., a gyro sensor, etc. may be used.

Referring to FIG. 5, the stroller 100 includes a control unit 138 connected to the inclination sensor 136 and the contact sensor 142, a rectifier unit 138a connected to the motor generator 134, and electricity rectified in the rectifier unit 138. A stroller battery 150 that stores is disposed.

The control unit 138 is connected to the rectifier unit 138a and the stroller battery 150, and when the contact sensor 142 generates a signal indicating that the user is holding the handle 140, it receives this signal and transmits it from the inclination sensor 136. When the stroller 100 generates and receives a signal as it is located downhill, electricity is generated from the motor generator 134 when the fixed wheel 120 rotates and supplied to the rectifier 138a, and the electricity rectified by the rectifier 138a is supplied to the stroller battery 150 to lower the driving speed of the fixed wheel 120 and charge the stroller battery 150 with electricity.

In addition, even when the control unit 138 receives a signal from the contact sensor 142 indicating that the user is holding the handle 140, the incline sensor 136 generates a signal indicating that the stroller 100 is located uphill, When a signal is received, electricity is supplied from the stroller battery 150 to the motor generator 134 to drive the fixed wheel 120 to assist in driving the stroller 100 more easily.

In addition, when the control unit 138 receives a signal from the contact sensor 142 that the user is not holding the handle 140, the fixed wheel 120 rotates when the fixed wheel 120 rotates. ) generates electricity from the motor generator 134 connected to the rectifier unit 138a, and supplies the rectified electricity from the rectifier unit 138a to the stroller battery 150 to reduce the driving speed of the fixed wheel 120. It is possible to prevent safety accidents that may occur when the fixed wheel 120 is driven while the user is not holding the handle 140 of the stroller 100.

An air purifier 160 may be coupled to the frame 101 of this stroller as shown in FIG. 1 . As shown in FIG. 5, the air purifier 160 is a filter unit consisting of an inlet filter 162a that primarily filters external air and an outlet filter 162b that secondarily filters the air filtered by the inlet filter 162a. (162), a fan 164 disposed between the inlet filter 162a and the outlet filter 162b to introduce external air and move the inflow air to the outlet filter 162b, supplying power to the fan 164 It consists of a purifier battery 168 that is connected to the purifier battery 168 and the fan 164 and a purifier control unit 166 that controls the fan 164 according to the charge amount of the purifier battery 168 and the user's selection.

At this time, when the air purifier 160 is coupled to the frame 101, the purifier battery 168 is connected to the control unit 138 of the stroller and transmits information such as the charge amount of the purifier battery 168 to the control unit 138 of the stroller. do.

At this time, the control unit 138 of the stroller receives the charging state of the purifier battery 168 and the charging state of the stroller battery 150, and if the charged amount of the purifier battery 168 is less than the charged amount of the stroller battery 150, the stroller battery The air purifier 160 can be used for a longer period of time by charging the purifier battery 168 using 150.

In addition, when the frames 101 of the stroller are folded, the stroller control unit 138 attaches a separate switch to the folded portion of each frame 101 and receives a signal from the switch to confirm that the stroller has been used. Additionally, it can be configured to inform the user of the charging amount of the battery 150 in the stroller through a separate display unit.

Although the embodiments have been described with limited drawings as described above, those skilled in the art can apply various technical modifications and variations based on the above. For example, the described techniques are performed in a different order than the described method, and/or components of the described system, structure, device, circuit, etc. are combined or combined in a different form than the described method, or other components are used. Alternatively, appropriate results may be achieved even if substituted or substituted by an equivalent.

100: stroller 101: frame
110: rotating wheel 120: fixed wheel
122: wheel axis 130: driving unit
132: Drive housing 134: Motor generator
134a: rotor 134b: stator
136: Tilt sensor 138: Control unit
138a: Rectifier 140: Handle
142: contact sensor 150: battery
160: air purifier 162: filter unit
164: Fan 166: Purifier control unit
168: Purifier battery

Claims (8)

A stroller (100) having a frame (101), a rotating wheel (110) that rotates with respect to the frame (101), and a fixed wheel (120) that does not rotate with respect to the frame (101),
When it is determined that the user is pushing the stroller 100 and the stroller 100 is located on a downhill slope, electricity is generated when the fixed wheel 120 rotates, and the user pushes the stroller 100. If it is determined that the stroller is pushing, and the stroller 100 is located on an uphill slope, the fixed wheel 120 is driven to rotate,
The frames 101 of the stroller 100 are disposed at the bottom, with two frames 101 in the rear and one or more in the front, and a drive unit 130 is disposed in the frame 101 disposed at the rear among the frames 101. , the fixed wheel 120 is disposed at the side end of the driving unit 130, and the rotating wheel 110 is disposed on the frame 101 disposed at the front of the frame 101,
The driving unit 130 is a motor generator 134 consisting of a driving housing 132, a stator 134a fixed inside the driving housing 132, and a rotor 134b disposed inside the stator 134b. ) is disposed, and a wheel axis 122 coupled to the fixed wheel 120 is coupled to the rotor 134b to generate power when the fixed wheel 120 rotates or to rotate the fixed wheel 120. And
A handle 140 that the user holds is extended to the rear of the upper side of the frame 101, and a contact sensor 142 that senses the user's hand is disposed on the handle 140, so that the user touches the handle 140. ), generates an event,
The frame 101 includes an inclination sensor 136 that senses whether the stroller 100 is located on a downhill or uphill slope, and a control unit 138 connected to the inclination sensor 136 and the contact sensor 142. , a rectifier (138a) connected to the motor generator (134) and a stroller battery (150) that stores electricity rectified in the rectifier (138a) are disposed,
The control unit 138 is connected to the rectifier 138a and the stroller battery 150, determines that the user is holding the handle 140 at the contact sensor 142, and determines that the user is holding the handle 140 at the inclination sensor 136. When it is determined that the stroller 100 is located downhill, electricity is generated from the motor generator 134 and supplied to the rectifier 138a, and the electricity rectified by the rectifier 138a is supplied to the stroller battery 150. supply,
The control unit 138 determines that the user is holding the handle 140, and when the inclination sensor 136 determines that the stroller 100 is located on an uphill slope, the control unit 138 selects the motor from the stroller battery 150. Supply electricity to the generator 134 to drive the fixed wheel 120,
When the contact sensor 142 determines that the user is not holding the handle 140, the control unit 138 operates the motor generator 134 when the fixed wheel 120 rotates. ) generates electricity and supplies it to the rectifier (138a), the electricity rectified by the rectifier (138a) is supplied to the stroller battery 150, and the frame 101 has an inflow system that primarily filters external air. A filter unit 162 consisting of a filter 162a and an outlet filter 162b that secondarily filters the air filtered by the inlet filter 162a, and is disposed between the inlet filter 162a and the outlet filter 162b. A fan 164 that introduces outside air and moves the introduced air to the exhaust filter 162b, a purifier battery 168 that supplies power to the fan 164, and the purifier battery 168 and a fan. An air purifier 160 consisting of a purifier control unit 166 connected to 164 is detachably coupled, and when the air cleaner 160 is coupled to the frame 101, the purifier battery 168 is connected to the frame 101. Connected to the control unit 138,
The control unit 138 senses the charge state of the purifier battery 168 and the charge state of the stroller battery 150, and when the charge amount of the purifier battery 168 is less than the charge amount of the stroller battery 150, Charging the purifier battery 168 using the stroller battery 150,
When the air purifier 160 is coupled to the frame 101, the purifier battery 168 is connected to the control unit 138 and transmits information such as the charge amount of the purifier battery 168 to the control unit 138. deliver,
When the frames 101 are folded, the control unit 138 receives a signal from a switch attached to the folded portion of each frame 101, confirms that the use of the stroller 100 has ended, and uses the display unit. A driving assistance stroller equipped with an air purifier, characterized in that it informs the amount of charge of the stroller battery (150) in the stroller (100). delete delete delete delete delete delete delete