KR20150120047A - Smart shopping cart generating electricity itself - Google Patents

Smart shopping cart generating electricity itself Download PDF

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Publication number
KR20150120047A
KR20150120047A KR1020140045698A KR20140045698A KR20150120047A KR 20150120047 A KR20150120047 A KR 20150120047A KR 1020140045698 A KR1020140045698 A KR 1020140045698A KR 20140045698 A KR20140045698 A KR 20140045698A KR 20150120047 A KR20150120047 A KR 20150120047A
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KR
South Korea
Prior art keywords
shopping cart
unit
power
wheel
self
Prior art date
Application number
KR1020140045698A
Other languages
Korean (ko)
Inventor
김영호
Original Assignee
(주) 비케이엠에스
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by (주) 비케이엠에스 filed Critical (주) 비케이엠에스
Priority to KR1020140045698A priority Critical patent/KR20150120047A/en
Publication of KR20150120047A publication Critical patent/KR20150120047A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
    • B62B3/14—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a smart shopping cart capable of generating electricity which generates power required to drive a shopping cart which loads and transports goods and required for a display unit providing an advertisement and information delivery function by disposing a power generation device connected to a charger on a wheel of a shopping cart to reduce a force required to move the shopping cart and supply the power required for the display device by generating the power. The smart shopping cart capable of generating electricity according to the present invention has a handle disposed on one side of an upper portion of a loading compartment made of a rectangular metal net, support legs fixed to a lower portion of the loading compartment, and wheels disposed on a lower portion of the support legs and fixed to C-shaped brackets to be rotated, and comprises: a display unit disposed on one side of an upper portion of any one among the handle and the loading compartment to display shopping information or an advertisement; a self power generation unit connected to at least one wheel to use rotational motion of the wheel of the shopping cart to generate power; a charging unit to charge the power generated by the self power generation unit to supply required power to the display unit; and a wheel drive unit to use the power charged in the charging unit to rotate a motor to drive the wheels of the shopping cart.

Description

[0001] Smart shopping cart generating electricity itself [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-powered shopping cart, and more particularly, to a self-powered shopping cart having a power generating device connected to a charger on a wheel of a shopping cart, Powered smart shopping cart that provides power through self-power generation.

A cart, a push cart, or a shopping cart refers to a transportation apparatus widely used for transporting goods or purchasing various goods at a large discount store, a department store, a supermarket, a workshop, or a duty free shop.

Although the shopping cart is somewhat different depending on the environment in which the shopping cart is used, generally, a handle is provided on a frame constituting the body, a moving caster is mounted on a lower portion of the frame, And a basket in which goods can be stored.

Recently, a shopping cart has also served as an effective advertising medium by attaching a billboard for the purpose of advertisement, propaganda, or promotion to a frame, handle, or basket of a cart in addition to the unique purpose of carrying goods or cargo. Especially, a shopping cart advertisement attaching a billboard to the front of a shopping cart is in the spotlight. Such a shopping cart advertisement is attracting attention as an advertisement medium capable of efficient advertisement at a low cost with growth of a large supermarket or a discount store.

A cart having a memory chip for outputting a voice message is disclosed in Korean Patent Laid-Open Publication No. 2001-69656, for example, in which an advertising function is added to a shopping cart as an advertising medium, Discloses an apparatus for delivering information and advertisement to a handle of a shopping trolley using a bracket. In addition, a domestic public utility model No. 1998-57911 discloses a billboard for a cart which can be mounted on a cart to obtain an advertisement effect.

However, in the conventional shopping cart to which such a billboard is attached, it is difficult to expect a desired advertisement effect because an advertisement panel capable of delivering one or several kinds of advertisement or information is attached to the front of the shopping cart. There is an inconvenience that the advertisement panel must be replaced from the main body of the billboard every time when information is to be transmitted.

Moreover, through the advertisement panel, it is difficult for the user to find the product or other necessary information while purchasing the article, and it is possible to visually and audibly transmit various information such as the product information, the store jumbo and the living information that the customer wants to know It is almost impossible to do.

In order to solve such a problem, the Korean Registered Utility Model No. 20-0300375 discloses a method of transmitting advertisement to a customer through a two-way communication method through a display unit including a monitor, and advertisement and information transmission And provides a cart having functions. Korean Utility Model Publication No. 20-2009-0000636 discloses a shopping cart in which a pop-up billboard is provided on the opposite side of a handle of a shopping cart, and advertisement contents are delivered to a cart user through a pop-up billboard. Korean Patent Registration No. 10-0597164 also provides a shopping device capable of efficiently planning shopping, purchasing goods, calculating goods, and registering household goods through a personal mobile shopping terminal and a cart displayer in a large discount store have.

That is, recently, a display device such as an LCD is mounted on a shopping cart to provide a variety of information to a cart user, and various additional services are provided through a device capable of bidirectional communication.

However, when a display device such as an LCD is attached to a shopping cart, electric power for driving the display device must be supplied in a charged state. In the case where electric power is supplied individually to the charging device of the cart, difficulties in storage and difficulty in management are great. Particularly, when the cart is stored while being charged separately, a much wider space is required in the charging process than in the prior art, resulting in considerable inconvenience in terms of store management.

As a means for solving such a problem, Korean Patent Laid-Open Publication No. 10-2005-0063181 discloses a power generating device connected to a charger on a wheel of a shopping cart to provide a power required for a display device through self-power generation Self-powered shopping carts. However, such a shopping cart has a disadvantage in that the device for self-power generation is connected to the wheels of the shopping cart in order to obtain electric power through self-power generation, and the physical energy consumption of the user moving the shopping cart is large. Especially, there is a drawback that the power required to move a shopping cart is much greater than that of a general cart.

Accordingly, there is a demand for a method that can conveniently supply power to the cart while utilizing the current method of storing the cart. In addition, in recent years, there is a great need to mount a variety of electric devices in addition to a display device on a cart, and a device for automatically supplying electric power to such electric devices is required.

Patent Document 10-2005-0063181: Self-powered shopping cart Patent Registration No. 10-1146773: Cart automatic charging system and automatic charging cart

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a power generating apparatus connected to a charger on the wheels of a shopping cart to provide a driving power of a shopping cart, The present invention provides a self-powered shopping cart in which power required for a display unit is supplied through self-power generation to reduce the power required to move the shopping cart, .

Other objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a self-powered smart shopping cart, comprising: a handle coupled to one side of an upper portion of a four-sided metal net, a support leg being fixed to a lower portion of the load, A display unit capable of displaying shopping information or advertisements on the upper side of one of the handle and the loading box, A self-power generation unit connected to at least one of the plurality of self-power generation units to generate electric power by using rotation motions of the shopping cart wheels; a charging unit for charging the power generated by the self- And a wheel driving unit for driving the wheels of the shopping cart by rotating the motor using the charged electric power The.

Preferably, the display unit is constituted by an LCD and is detachable from a shopping cart.

Preferably, the wheels are fixed in one direction in the shopping cart having the self-generating portion.

Preferably, the self-generating portion includes a rotor having a ring-shaped permanent magnet formed by alternately dividing the NS poles fitted in the center of the wheel, a coil wound around the core at a position spaced apart from the rotor at a position corresponding to the rotor, And a stator for generating an induced current in accordance with the output voltage of the stator.

Preferably, the charging unit includes a charging circuit and is electrically connected to the coil. In this case, the charging circuit includes a regulator unit for converting a current generated through the induction action of the rotor and the stator to DC, A first switch unit for selectively supplying the current charged in the charging unit to the display unit, a second switch for selectively supplying the current charged in the charging unit to the self-power generation unit, And a second electrode.

Preferably, the wheel driving unit includes a ring-shaped fixed body rotatably coupled to the outer periphery of the rotor and fixed to the center of the wheel so that an inner protrusion is formed on the inner body of the wheel, And a disk-shaped disk rotating body formed with outer protrusions for transmitting rotation or power transmitted from the motor to the fixed rotating body.

Preferably, the wheel drive unit is driven such that the wheel is rotated only about one-half turn from one wheel only at the first moment when the shopping cart is stopped and moved.

The self-powered smart shopping cart according to the present invention as described above has the following effects.

First, a power generation device is provided in a wheel portion of a shopping cart, and a power supply is supplied to a display portion by providing a charging circuit electrically connected to the power generation device in the display portion. Therefore, only by moving a shopping cart for shopping, And the power can be supplied to the display unit at the same time, so that the display unit can be sufficiently driven without a separate power source.

Second, the power charged in the charging circuit can be stably and continuously supplied to the display unit, thereby improving the reliability.

Third, since the electric power is used as a driving power for a shopping cart to be loaded and transported, it is possible to reduce the power required to move the shopping cart, thereby saving the user's physical energy consumption.

Fourthly, there is an effect that a power supply can be supplied even if a manager does not perform a separate charging operation by providing a system in which electric power necessary for the shopping cart can be charged.

1 is a block diagram showing a configuration of a self-powered smart shopping cart according to an embodiment of the present invention;
Fig. 2 is a sectional view of the wheel shown in Fig. 1,
Fig. 3 is a circuit diagram showing the charging circuit provided in the charging section of Fig.

Other objects, features and advantages of the present invention will become apparent from the detailed description of the embodiments with reference to the accompanying drawings.

Preferred embodiments of the self-powered smart shopping cart according to the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It is provided to let you know. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

FIG. 1 is a configuration diagram of a self-powered smart shopping cart according to an embodiment of the present invention.

As shown in FIG. 1, the self-powered smart shopping cart according to the present invention includes a handle 120 connected to one side of an upper portion of a loading box 110 made of a four-sided metal net, A leg 133 is fixed and a wheel 133 is rotatably fixed to a bracket 132 of a C shape at the lower portion of the support leg 130. The handle 133 is fixed to the handle 130, And a display unit 200 capable of displaying shopping information and advertisements on one side of the middle portion. At this time, the display unit 200 is provided with a display device such as an LCD, and displays shopping information, a shopping mall advertisement, a promotional advertisement, shopping mall navigation information, and the like. The display unit 200 may be fixed to the shopping cart 200, but may be detachable or attachable. In some cases, the portable terminal of the user may be attached and used. At this time, when attaching the portable terminal of the user, it is preferable to download and install a separate application provided in the shopping mall to the portable terminal.

The self-power generation unit 400 is connected to at least one of the wheels 133 to generate electric power using rotation of the shopping cart wheels 133. A wheel drive unit 500 for driving the wheels 133 of the shopping cart by rotating the motor using the electric power charged in the charging unit 300, ). At this time, the self-power generation unit 400 and the wheel drive unit 500 may be installed at only one of the wheels of the shopping cart 100. However, when a greater amount of power supply and wheel drive is desired, So that they are electrically connected to each other.

Meanwhile, in the shopping cart 100, in order to rotate the wheel 133 only in the traveling direction, the wheel 133 constituted by the wheel driving unit 500 should be fixed in one direction without rotating.

2 is a sectional view showing the wheel portion 130 of FIG. 1 in detail.

2, the self-generating portion 400 includes a rotor 410 and a bracket 132, which are ring-shaped permanent magnets formed by alternately dividing the NS poles fitted in the center of the wheel 105, And a stator 420 having a coil 422 wound around the core 421 so as to be spaced apart from the rotor 410 at a position corresponding to the rotor 410. The induction current is generated in accordance with the rotation of the wheel 133 .

The wheel driving unit 500 includes a ring-shaped stationary rotating body 501 rotatably coupled to the outer periphery of the rotor 410 and fitted in the center of the wheel 105 to have inner protrusions formed therein, And a disk-shaped disk rotating body 502 which is engaged with the inner protrusion of the fixed rotating body 501 and has an outer protrusion for transmitting rotation or power transmitted from the motor 503 to the fixed rotating body 501 , And the motor (503) is rotated using the electric power charged in the charger (300) so that the wheel (133) of the shopping cart is driven to rotate.

The charging unit 300 includes a charging circuit 600 and is electrically connected to the coil 422. 3, the charging circuit 600 includes a regulator 601 for converting the current generated through the induction action of the rotor 410 and the stator 420 into direct current, And a charging unit 200 for charging the DC converted through the DC / DC converter. A first switch unit 603 for selectively supplying the current charged in the charging unit 200 to the display unit 200 and a second switch unit 603 for selectively supplying the current charged in the charging unit 200 to the self- And a second switch unit 604 for supplying the second switch unit 604. Although not shown, the lead wire connecting the coil 422 and the charging circuit 600 is configured to pass through the support leg 131 and the inside of one side frame of the loading box 110 so as not to be exposed to the outside.

For the reference, the amount of electric power used to drive the wheels 133 of the shopping carts to rotate by rotating the motor 503 by using the electric power charged in the charging unit 300 causes the volume of the charging unit 300 to become too large Problems may appear. In the present invention, when the motor 133 is rotated to rotate the motor 503, the wheel 133 is rotated only about one-half of a turn for the first time when the shopping cart is stopped and moved. Thus, this problem can be solved.

The method of capturing the first moment of movement of the shopping cart may be such that the second switch portion 604 is formed on the handle 120 so that the second switch portion 604 is pressed at the moment when the user first moves the shopping cart So that the wheels 133 of the shopping cart can be rotated. Or a sensor (such as a pressure-reducing sensor) may be additionally attached to the handle 120 to sense a moment when the user pushes the shopping cart and to switch the second switch unit 604 so that the moment the user first moves the shopping cart So that the wheels 133 of the shopping cart can be rotated. As such, various methods of capturing the moment when the shopping cart is first moved are possible.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various modifications may be made without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (7)

A shopping cart having a handle is connected to one side of an upper part of a cargo net made of metal net, a support leg is fixed to a lower part of the loading box, and a wheel rotatably fixed to a bracket of a " As a result,
A display unit capable of displaying shopping information or advertisements on one side of one of the handle and the rack,
A self-power generating unit connected to at least one of the wheels to generate electric power using rotational motion of the shopping cart wheels;
A charging unit charging the power generated by the self-power generation unit to supply power required for the display unit;
And a wheel driving unit for driving the wheels of the shopping cart by rotating the motor using the electric power charged in the charging unit. The method according to claim 1,
Wherein the display unit comprises an LCD and is detachable from a shopping cart. The method according to claim 1,
Wherein the self-powered smart shopping cart is configured such that the wheels are fixed in one direction in a shopping cart having the self-generating portion. 2. The power unit according to claim 1, wherein the self-
A rotor made of a ring-shaped permanent magnet in which NS poles fitted in the center of the wheel are alternately divided,
And a stator which coils are wound on the core so as to be spaced apart from the rotor at a position corresponding to the rotor so as to generate an induction current in accordance with the rotation of the wheel. 5. The method of claim 4,
The charging unit includes a charging circuit and is electrically connected to the coil,
At this time, the charging circuit
A regulator unit for converting a current generated through the induction action of the rotor and the stator into a direct current,
A charging unit for charging the DC converted through the regulator unit;
A first switch unit for selectively supplying the current charged in the charging unit to the display unit,
And a second switch unit for selectively supplying the electric current charged in the charging unit to the self-power generating unit. [2] The apparatus of claim 1,
A ring-shaped stationary rotating body rotatably coupled to the outer periphery of the rotor and fitted in the center of the wheel so as to have inner protrusions formed therein,
And a disk-shaped disk rotating body which is engaged with inner projections of the stationary rotating body and is formed with an outer protrusion for transmitting rotation or power transmitted from the motor to the stationary rotating body. The method according to claim 6,
Wherein the wheel drive unit is driven such that the wheel is rotated only about one half of a wheel for the first time when the shopping cart is stopped and moved.
KR1020140045698A 2014-04-17 2014-04-17 Smart shopping cart generating electricity itself KR20150120047A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109017950A (en) * 2017-06-09 2018-12-18 江苏弘冠智能科技有限公司 Multifunctional shopping cart
KR102043714B1 (en) * 2018-12-13 2019-11-12 제주국제대학교 산학협력단 Energy storage system for using waste-battery of electric car and method therefor
WO2024063187A1 (en) * 2022-09-22 2024-03-28 쿠팡 주식회사 Electronic device and operation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109017950A (en) * 2017-06-09 2018-12-18 江苏弘冠智能科技有限公司 Multifunctional shopping cart
KR102043714B1 (en) * 2018-12-13 2019-11-12 제주국제대학교 산학협력단 Energy storage system for using waste-battery of electric car and method therefor
WO2024063187A1 (en) * 2022-09-22 2024-03-28 쿠팡 주식회사 Electronic device and operation method thereof

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