阅读说明：本技术 智能购物车无线充电装置及其充电方法 (Intelligent shopping cart wireless charging device and charging method thereof ) 是由 徐天宏 于 2019-11-15 设计创作，主要内容包括：本发明公开了智能购物车无线充电装置及其充电方法,包括供电箱、固定购物车及移动购物车,所述固定购物车内设有无线发射电路板,且无线发射电路板与供电箱有线连接,所述移动购物车内设有无线充电线路板,并通过无线充电线路板接收无线发射电路板的电磁信号从而对当前移动购物车购物车进行无线充电,同时当前移动购物车的无线充电线路板发出电磁信号,并由下一台移动购物车的无线充电线路板接收该电磁信号,从而进行无线循环充电。本发明的有益效果是：鉴于购物车重叠放置的造型及购物车车架的注塑件材料的基础上,将无线充电线路板安装在注塑件夹层内,当购物车重叠起来的时候,近距离快速自动无线充电。(The invention discloses an intelligent shopping cart wireless charging device and a charging method thereof, wherein the intelligent shopping cart wireless charging device comprises a power supply box, a fixed shopping cart and a mobile shopping cart, a wireless transmitting circuit board is arranged in the fixed shopping cart and is in wired connection with the power supply box, a wireless charging circuit board is arranged in the mobile shopping cart, and receives an electromagnetic signal of the wireless transmitting circuit board through the wireless charging circuit board so as to wirelessly charge the current mobile shopping cart, and meanwhile, the wireless charging circuit board of the current mobile shopping cart sends out the electromagnetic signal and receives the electromagnetic signal through the wireless charging circuit board of the next mobile shopping cart, so that wireless cyclic charging is carried out. The invention has the beneficial effects that: on the basis of the modeling that shopping cart was put in overlapping and the injection molding material of shopping cart frame, install wireless charging circuit board in the injection molding intermediate layer, when the shopping cart was overlapped, closely quick automatic wireless charging.)

1. Wireless charging device of intelligence shopping cart, its characterized in that, including power box (1), shopping cart charging seat and removal shopping cart (3), be equipped with wireless transmitting circuit board (8) in the shopping cart charging seat, and wireless transmitting circuit board (8) and power box (1) wired connection, be equipped with wireless charging circuit board (9) in removal shopping cart (3) to thereby receive the electromagnetic signal of wireless transmitting circuit board (8) through wireless charging circuit board (9) and carry out wireless charging to current removal shopping cart (3), wireless charging circuit board (9) of current removal shopping cart (3) send electromagnetic signal simultaneously, and receive this electromagnetic signal by wireless charging circuit board (9) of next removal shopping cart (3), thereby carry out wireless circulation and charge.

2. The intelligent shopping cart wireless charging device according to claim 1, wherein the shopping cart charging seat is a fixed shopping cart (2), the fixed shopping cart (2) and the mobile shopping cart (3) are both double-layer injection molding frames, the wireless transmitting circuit board (8) is arranged in the double-layer injection molding frame side plate of the fixed shopping cart (2), the wireless charging circuit board (9) is arranged in the double-layer injection molding frame side plate of the mobile shopping cart (3), the wireless transmitting circuit board (8) of the fixed shopping cart (2) and the wireless charging circuit board (9) of the mobile shopping cart (3) are positioned at the same side, and the wireless charging circuit board (9) of the mobile shopping cart (3) are also positioned at the same side.

3. The intelligent shopping cart wireless charging device according to claim 1, wherein the wireless charging circuit board (9) comprises a wireless charging transmitting module (7), a wireless charging receiving module (5) and a circuit connecting module (6).

4. The intelligent shopping cart wireless charging device as claimed in claim 1, wherein the wireless transmitting circuit board (8) comprises a wireless charging transmitting module (7) and a charging circuit module (4).

5. The intelligent shopping cart wireless charging device according to claim 2, wherein the wireless charging transmitting module (7) comprises a magnetic induction transmitting coil, the wireless charging receiving module (5) comprises a magnetic induction receiving coil, the circuit connecting module (6) comprises a rectifying circuit, an output circuit, a converting circuit and a frequency converting circuit, the rectifying circuit is connected with the magnetic induction receiving coil, the output circuit is connected with the rectifying circuit, the output circuit is divided into two parallel branches, one of the two parallel branches is connected with the rechargeable battery, the other one of the two parallel branches is connected with the converting circuit, and the converting circuit is connected with the frequency converting circuit and is connected with the magnetic induction transmitting line through the frequency converting circuit.

6. The charging method of the intelligent shopping cart wireless charging device as claimed in any one of claims 1-4, comprising the steps of:

1) the fixed shopping cart (2) is connected with the power supply box (1) in a wired mode;

2) pushing the mobile shopping cart (3) into the fixed shopping cart (2), and overlapping the wireless charging receiving module (5) of the mobile shopping cart (3) with the wireless charging transmitting module (7) of the fixed shopping cart (2);

3) pushing the next mobile shopping cart (3) into the previous mobile shopping cart (3), and overlapping the wireless charging receiving module (5) of the next mobile shopping cart (3) with the wireless charging transmitting module (7) of the previous mobile shopping cart (3).

Technical Field

The invention relates to the technical field of intelligent wireless charging, in particular to an intelligent shopping cart wireless charging device and a charging method thereof.

Background

Along with the continuous progress and the development of science and technology, intelligent supermarket, intelligent market all have a large amount of intelligent shopping cart to use, have multiple power module, computer, display screen, tall and erect mainboard, scanning window, camera, stereo set of ann above the intelligent shopping cart all to need the power supply such as electrical apparatus module. At present, supermarkets all around the world are iron frame shopping carts, and the intelligent shopping carts are charged only in a wired charging or contact wireless charging mode, which specifically comprises the following steps: 1) the plug and the socket for wired charging adopt a common 220 power line for direct contact charging; the disadvantages are that: the contact points are easily loosened to cause a spark hazard and easily cause a fire. 2) The wireless charging device is characterized in that a charging lifting track is arranged among four wheels at the bottom of a shopping cart for charging aiming at the shopping cart structure; the disadvantages are that: the size of the shopping cart with uneven ground is not standardized enough, so that the defects that the charging plate is damaged by charging and heating, the charging speed is slow and the like are easily caused. 3) The bottom of the shopping cart is wirelessly charged in a contact manner by colliding metal sheets front and back; the disadvantages are that: mechanical spring contact is prone to contact with damaged contact point metal sheets and requires each shopping cart to check whether the shopping cart is in place, and the charging schemes of 2) and 3) above are too costly to manufacture.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides an intelligent shopping cart wireless charging device with reasonable design and a charging method thereof.

The technical scheme of the invention is as follows:

the wireless charging device of intelligence shopping cart, its characterized in that, including feeder box, shopping cart charging seat and removal shopping cart, be equipped with the wireless transmitting circuit board in the shopping cart charging seat, and wireless transmitting circuit board and feeder box wired connection, be equipped with the wireless circuit board that charges in the removal shopping cart to thereby receive the electromagnetic signal of wireless transmitting circuit board through the wireless circuit board that charges and carry out wireless charging to current removal shopping cart, the wireless circuit board that charges of current removal shopping cart sends electromagnetic signal simultaneously to receive this electromagnetic signal by the wireless circuit board that charges of next removal shopping cart, thereby carry out wireless circulation and charge.

The intelligent shopping cart wireless charging device is characterized in that the shopping cart charging seat adopts a fixed shopping cart, the fixed shopping cart and the mobile shopping cart adopt double-layer injection molding frames, the wireless transmitting circuit board is arranged in the double-layer injection molding frame side plate of the fixed shopping cart, the wireless charging circuit board is arranged in the double-layer injection molding frame side plate of the mobile shopping cart, the wireless transmitting circuit board of the fixed shopping cart is positioned at the same side as the wireless charging circuit board of the mobile shopping cart, and the wireless charging circuit board of the mobile shopping cart is also positioned at the same side as the wireless charging circuit board of the mobile shopping cart.

The intelligent shopping cart wireless charging device is characterized in that the wireless charging circuit board comprises a wireless charging transmitting module, a wireless charging receiving module and a circuit connecting module.

The intelligent shopping cart wireless charging device is characterized in that the wireless transmitting circuit board comprises a wireless charging transmitting module and a charging circuit module.

The wireless charging device of intelligent shopping cart, its characterized in that, wireless transmitting module that charges includes magnetic induction transmitting coil, wireless receiving module that charges includes magnetic induction receiving coil, circuit connection module includes rectifier circuit, output circuit, converting circuit and inverter circuit, rectifier circuit links to each other with magnetic induction receiving coil, output circuit links to each other with rectifier circuit, output circuit divide into two parallel branch roads, one of them links to each other with rechargeable battery, and another links to each other with converting circuit, converting circuit links to each other with inverter circuit to link to each other with the magnetic induction transmission line through inverter circuit.

The charging method of the intelligent shopping cart wireless charging device is characterized by comprising the following steps:

1) connecting the fixed shopping cart with a power supply box in a wired manner;

2) pushing the mobile shopping cart into the fixed shopping cart, and overlapping the wireless charging receiving module of the mobile shopping cart with the wireless charging transmitting module of the fixed shopping cart;

3) pushing the next mobile shopping cart into the previous mobile shopping cart, and overlapping the wireless charging receiving module of the next mobile shopping cart with the wireless charging transmitting module of the previous mobile shopping cart.

The invention has the beneficial effects that: on the basis of the modeling that shopping cart was put in overlapping and the injection molding material of shopping cart frame, install wireless charging circuit board in the injection molding intermediate layer, when the shopping cart was overlapped, closely quick automatic wireless charging. The mode is not easy to damage, does not need maintenance, does not generate potential safety hazard, is easy for large-scale production and has low manufacturing cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a stationary shopping cart according to the present invention;

FIG. 3 is a schematic view of the mobile shopping cart of the present invention;

FIG. 4 is a schematic diagram of a wireless charging circuit board according to the present invention;

FIG. 5 is a schematic diagram of a wireless transmitting circuit board according to the present invention;

FIG. 6 is a schematic diagram of a wireless charging cord of the present invention;

in the figure: the system comprises a power supply box 1, a fixed shopping cart 2, a mobile shopping cart 3, a charging circuit module 4, a wireless charging receiving module 5, a circuit connection module 6, a wireless charging transmitting module 7, a wireless transmitting circuit board 8 and a wireless charging circuit board 9.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1-6, the intelligent shopping cart wireless charging device comprises a power box 1, a fixed shopping cart 2 and a mobile shopping cart 3, wherein the power box 1 provides electric energy for a shopping cart charging seat; a wireless transmitting circuit board 8 is arranged in the fixed shopping cart 2, and the wireless transmitting circuit board 8 is in wired connection with the power supply box 1, wherein the fixed shopping cart 2 is in a fixed state and is equivalent to a shopping cart charging seat; the wireless charging circuit board 9 is arranged in the mobile shopping cart 3, the wireless charging circuit board 9 receives the electromagnetic signal of the wireless transmitting circuit board 8, so that the current mobile shopping cart 3 is wirelessly charged, meanwhile, the wireless charging circuit board 9 of the current mobile shopping cart 3 sends out the electromagnetic signal, and the wireless charging circuit board 9 of the next mobile shopping cart 3 receives the electromagnetic signal, so that the plurality of mobile shopping carts 3 are wirelessly and circularly charged.

In the embodiment, the fixed shopping cart 2 and the mobile shopping cart 3 both adopt double-layer injection molding frames, the structure is different from that of an iron frame cart in the market, the double-layer injection molding frames can effectively transmit electromagnetic signals, and the signal attenuation is less; however, the double-layer injection molding frame can be overlapped with a common iron frame vehicle, and normal use is not influenced (a movable turning plate structure is also adopted behind the double-layer injection molding frame, so that the intelligent shopping cart can be overlapped); wireless transmitting circuit board 8 sets up in the double-deck frame curb plate of moulding plastics of fixed shopping cart 2, wireless charging circuit board 9 sets up in the double-deck frame curb plate of moulding plastics of mobile shopping cart 3, wireless transmitting circuit board 8 of fixed shopping cart 2 is located the homonymy with wireless charging circuit board 9 of mobile shopping cart 3, wireless charging circuit board 9 of mobile shopping cart 3 also is located the homonymy with wireless charging circuit board 9 of mobile shopping cart 3, when carrying out wireless charging like this, can overlap induction receiving coil and induction transmitting coil, with furthest's improvement efficiency of charging.

In this embodiment, the wireless charging circuit board 9 includes a wireless charging transmitting module 7 disposed at the opposite rear end of the intelligent shopping cart, a wireless charging receiving module 5 disposed at the opposite front end of the intelligent shopping cart, and a circuit connecting module 6 disposed between the wireless charging transmitting module 7 and the wireless charging receiving module 5. The wireless charging transmitting module 7 adopts a magnetic induction transmitting coil, the wireless charging receiving module 5 adopts a magnetic induction receiving coil, the circuit connecting module 6 comprises a rectifying circuit, an output circuit, a converting circuit and a frequency conversion circuit, the rectifying circuit is connected with the magnetic induction receiving coil, the output circuit is connected with the rectifying circuit, the output circuit is divided into two parallel branches, one of the branches is connected with the rechargeable battery, the other branch is connected with the converting circuit, and the converting circuit is connected with the frequency conversion circuit and is connected with the magnetic induction transmitting line through the frequency conversion circuit. The rectification circuit is used for converting alternating current into direct current, the output circuit is used for transmitting the direct current, the conversion circuit is used for converting the direct current into the alternating current, and the frequency conversion circuit is used for adjusting the frequency of the alternating current, so that the induction transmitting coil and the induction receiving coil are adjusted to be the same in frequency.

The wireless transmitting circuit board 8 comprises a wireless charging transmitting module 7 and a charging circuit module 4. The wireless charging transmitting module 7 adopts a magnetic induction transmitting coil, and the wireless charging transmitting module 7 and the charging circuit module 4 have the same structure as a commercially available wireless charger and are the basis for providing wireless output; the output power of the wireless charger needs to be adjusted according to the number of the mobile shopping carts, and the total output power of the wireless charging seat is not lower than the sum of the charging power of each mobile shopping cart.

The charging method of the intelligent shopping cart wireless charging device specifically comprises the following steps:

1) the fixed shopping cart 2 is connected with the power supply box 1 in a wired mode; the stationary shopping cart 2 now acts as a base for the wireless charger.

2) The mobile shopping cart 3 is pushed into the fixed shopping cart 2, and the wireless charging receiving module 5 of the mobile shopping cart 3 is overlapped with the wireless charging transmitting module 7 of the fixed shopping cart 2.

3) Pushing the next mobile shopping cart 3 into the previous mobile shopping cart 3, and overlapping the wireless charging receiving module 5 of the next mobile shopping cart 3 with the wireless charging transmitting module 7 of the previous mobile shopping cart 3.