CN220947593U - Wireless charging module and charging system - Google Patents

Abstract

The application discloses a wireless charging module and a charging system, and belongs to the technical field of wireless charging. The wireless charging module provided by the application comprises a main body, a connecting bus and a plurality of first charging coils. The main body comprises a plurality of identification parts; the connecting bus is arranged on the main body and is provided with a plurality of branch parts; the plurality of first charging coils are respectively and electrically connected with the branch parts and are arranged at the identification parts. According to the wireless charging module, after the wireless charging module is powered on, the first charging coil can utilize the electromagnetic induction principle to wirelessly charge the equipment to be charged, in practical application, the wireless charging module is connected with the charging pile through the connecting bus, the electric energy provided by the charging pile is supplied to the first charging coil through the connecting bus, and the plurality of first charging coils arranged on the identification part can simultaneously wirelessly charge the plurality of equipment to be charged, so that a wireless charging mode of one pile to multiple equipment is realized, and the utilization rate of the charging pile is improved.

Description

Wireless charging module and charging system

Technical Field

The application belongs to the technical field of wireless charging, and particularly relates to a wireless charging module and a charging system.

Background

With the rapid increase of the storage capacity of new energy automobiles, the charging demand of the new energy automobiles also shows explosive growth. At present, a wired charging mode of one pile to one car is mainly adopted by the charging pile, the utilization rate of the charging pile is low, and the construction cost of a unit vehicle charging system is high.

Disclosure of utility model

The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the wireless charging module and the charging system, which realize a wireless charging mode of one pile to multiple devices and improve the utilization rate of the charging pile.

In a first aspect, the present application provides a wireless charging module, comprising:

A main body including a plurality of identification portions;

a connecting bus arranged on the main body, the connecting bus having a plurality of branch portions;

the first charging coils are respectively and electrically connected with the branch parts and are arranged on the identification parts;

at least one connection terminal electrically connected to the connection bus.

According to the wireless charging module, after the wireless charging module is powered on, the first charging coil can utilize the electromagnetic induction principle to wirelessly charge the equipment to be charged, in practical application, the wireless charging module is connected with the charging pile through the connecting bus, the electric energy provided by the charging pile is supplied to the first charging coil through the connecting bus, and the plurality of first charging coils arranged on the identification part can simultaneously wirelessly charge the plurality of equipment to be charged, so that a wireless charging mode of one pile to multiple equipment is realized, and the utilization rate of the charging pile is improved.

According to an embodiment of the present application, the number of the connection terminals is plural, and each of the connection terminals is electrically connected to the connection bus bar.

According to one embodiment of the application, each connection terminal is arranged close to an edge of the body.

According to one embodiment of the present application, the plurality of connection terminals are distributed along the circumferential direction of the main body.

According to one embodiment of the application, the identification portion is provided with a recess for placing a second charging coil, which is coupled with the first charging coil for transmitting electrical energy.

According to one embodiment of the application, the body comprises a carrying part for carrying the device to be charged.

According to one embodiment of the present application, the main body is rectangular, and the branch portions of the connection bus bar are arranged in the length direction or the width direction of the main body.

In a second aspect, the present application provides a charging system comprising: fill electric pile and above-mentioned wireless module that charges, wireless connection busbar electricity of charging the module is connected with connecting terminal, fills electric pile and connecting terminal and passes through first cable connection.

According to the charging system provided by the application, the charging pile transmits electric energy to the connecting terminal through the cable, the connecting terminal supplies power to the wireless charging module through the connecting bus, the wireless charging module supplies the electric energy provided by the charging pile to each first charging coil, and the plurality of first charging coils arranged on the identification part can simultaneously carry out wireless charging on a plurality of devices to be charged, so that a wireless charging mode of one pile to a plurality of devices is realized, and the utilization rate of the charging pile is improved.

According to one embodiment of the application, the charging system comprises a plurality of wireless charging modules, and the connection terminals of two adjacent wireless charging modules are connected through an expansion terminal.

According to one embodiment of the present application, the charging system further includes:

The wireless rifle that charges, wireless rifle that charges include charging plug, second charging coil and connect in the second cable between charging plug and the second charging coil.

According to one embodiment of the application, a charging system is configured to charge a vehicle.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a wireless charging module according to an embodiment of the present application;

Fig. 2 is a schematic structural diagram of a charging system according to an embodiment of the present application;

fig. 3 is an expanded structure of a wireless charging module according to an embodiment of the present application;

fig. 4 is a schematic structural view of an extension terminal according to an embodiment of the present application;

FIG. 5 is a second schematic diagram of a charging system according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a wireless charging gun according to an embodiment of the present application.

Reference numerals:

The wireless charging module 100, the main body 110, the first area 111, the second area 112, the third area 113, the fourth area 114, the connecting bus 120, the first charging coil 130, the connecting terminal 140, the expanding terminal 150, the reserved area 160, the charging pile 200, the first cable 300, the electric automobile 400, the charging plug 510, the second cable 520 and the second charging coil 530.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

In the following description, "circuit" refers to an electrically conductive loop formed by at least one element or sub-circuit through electrical or electromagnetic connection. When an element or circuit is referred to as being "coupled to" or "connected to" another element or an element/circuit is "coupled to" or "connected between" two nodes, it can be directly coupled or connected to the other element or intervening elements may be present and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled to" or "directly connected to" another element, it means that there are no intervening elements present between the two.

In the description, the terms "first," "second," and the like are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the numerical descriptors used herein are interchangeable under appropriate circumstances such that embodiments of the application are capable of operation in sequences other than those illustrated or otherwise described herein, and that the objects identified by "first," "second," etc. are generally of a type and do not limit the number of objects, for example, the first object can be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

Furthermore, the description of the terms "one embodiment," "some embodiments," "an exemplary embodiment," "an example," "a particular example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1, one embodiment of the present application proposes a wireless charging module 100, including: the battery pack includes a main body 110, a connection bus bar 120, a plurality of first charging coils 130, and at least one connection terminal 140. The body 110 includes a plurality of identification portions; the connection bus 120 is disposed on the main body 110, the connection bus 120 having a plurality of branches; the plurality of first charging coils 130 are electrically connected to the respective branching portions and arranged at the respective identification portions; the connection terminal 140 is electrically connected to the connection bus bar 120.

As an example, as shown in fig. 2, the wireless charging module 100 may be applied in a charging system. The wireless charging module 100 may be connected with the charging pile 200 through the connection terminal 140 to wirelessly charge the device to be charged, which may be an electric automobile 400 or an electric bicycle, by using the electric energy provided by the charging pile 200.

The main body 110 may be a plate or a bracket, and is mainly used for carrying modules such as the connection bus 120 and the plurality of first charging coils 130. The main body 110 is generally made of an insulating material, so as to avoid the risk of electric leakage. The main body 110 may be provided in a circular shape or a rectangular shape, and the shape thereof may be provided according to the requirement of the belt charging apparatus, which is not limited herein.

The main body 110 may be disposed on the ground, and the plurality of identification parts may be uniformly disposed on the main body 110. The number of the identification parts is equal to the number of the first charging coils 130, and the first charging coils 130 are arranged in the identification parts. The identification part can select specific symbols such as arrow, star-shaped and the like, and can also be marked by adopting striking colors such as red and yellow, so that the first charging coils can be conveniently observed and distinguished.

The connection bus 120 is mainly used to transmit the power of the power supply device to the first charging coil 130. The connection bus 120 includes a positive bus and a negative bus. The connection bus 120 is disposed inside the main body 110, and the main body 110 can protect the connection bus 120 from aging and leakage of the connection bus 120. The positive bus and the negative bus are respectively provided with a plurality of branch parts, wherein the starting ends of the branch parts of the positive bus are connected with each other, the starting ends of the branch parts of the negative bus are also connected with each other, and each branch part extends to different directions to supply power to each module in the wireless charging module.

Each first charging coil 130 is electrically connected with the corresponding branch parts of the positive bus and the negative bus, and generates electromagnetic signals by using the electric energy transmitted by the connecting bus 120, and due to the electromagnetic induction principle, current is induced at the equipment to be charged, so as to wirelessly charge the equipment to be charged.

One connection terminal 140 is provided with a positive terminal electrically connected to the positive bus bar and a negative terminal electrically connected to the negative bus bar.

According to the wireless charging module 100 of the present application, after the wireless charging module 100 is powered on, the first charging coil 130 can utilize the electromagnetic induction principle to wirelessly charge the to-be-charged devices, in practical application, the wireless charging module 100 is connected with the charging pile 200 through the connecting bus 120, and the electric energy provided by the charging pile 200 is supplied to the first charging coil 130 through the connecting bus 120, and the plurality of first charging coils 130 arranged on the identification part can simultaneously wirelessly charge the plurality of to-be-charged devices, so that a one-pile to-multiple-device wireless charging mode is realized, and the utilization rate of the charging pile 200 is improved.

As shown in fig. 3, in some embodiments, the number of connection terminals 140 is a plurality, and each connection terminal 140 is electrically connected to the connection bus 120.

The connection bus bars 120 of the different bodies 110 are electrically connected through the connection terminals 140, and thus a plurality of connection terminals 140 may be used to achieve the transmission of electric power between the different bodies.

In this embodiment, at least one connection terminal 140 is used to realize connection between the charging pile 200 and the main body 110, so that the connection between different main bodies 110 can be realized by providing a plurality of connection terminals 140, and the expansion between different wireless charging modules can be conveniently realized.

In some embodiments, each connection terminal 140 is disposed near an edge of the body 110.

The different wireless charging modules can be electrically connected through the connection terminal 140, so that the connection terminal 140 is arranged at the edge of the main body 110 to shorten the connection distance between the different wireless charging modules when the charging modules are expanded.

In some embodiments, the plurality of connection terminals 140 are distributed along the circumferential direction of the body 110.

The plurality of main bodies 110 may be connected to each direction of any main body in different directions through the plurality of connection terminals 140, increasing the number of expansibility, and improving the space utilization.

As an example, the main body 110 is rectangular, and one connection terminal 140 may be provided at each of the upper side edge, the lower side edge, the left side edge and the right side edge, and other main bodies 110 may be connected to any one of the upper, lower, left and right edges of the main body 110, so that the main body 110 may be easily extended along the circumference.

In some embodiments, the identification portion is provided with a recess for placing the second charging coil 530, the second charging coil 530 being coupled with the first charging coil 130 to transmit electrical energy.

The device to be charged is typically provided with a second charging coil 530, and when the first charging coil 130 is energized, there is an electromagnetic coupling between the second charging coil 530 and the first charging coil 130, and the second charging coil 530 can receive an electromagnetic signal from the first charging coil 130, so as to generate a current to charge the device to be charged.

The concave groove arranged on the surface of the main body during the groove has the surface shape and the size matched with those of the second charging coil 530, the first charging coil 130 can be arranged in the groove, the depth of the groove is larger than or equal to the sum of the thicknesses of the first charging coil 130 and the second charging coil 530, and the second charging coil 530 and the first charging coil 130 can be conveniently coupled in the groove, so that the maximum electric energy transmission efficiency is ensured.

In some embodiments, the main body 110 includes a carrying portion for carrying the device to be charged.

The bearing part can be a certain area located in the middle of the main body, the first charging coil 130 is located in the area where the bearing part is located, the bearing part is arranged when the charging equipment is charged, the second charging coil 530 and the first charging coil 130 are convenient to couple, and the power transmission efficiency is improved.

In some embodiments, the body 110 is rectangular, and the branches of the connection bus bar 120 are arranged along a length direction or a width direction of the body 110.

The wireless charging module 100 of the application mainly charges an electric automobile or an electric bicycle, the electric automobile or the electric bicycle is approximately rectangular, and the main body 110 is slightly larger than the rectangle of the equipment to be charged, so that the equipment to be charged can be completely placed in the main body 110, and the place can be fully utilized.

With continued reference to fig. 1, as an example, the body 110 is divided into a first region, a second region, a third region, and a fourth region by providing one connection terminal 140 at each of the middle portions of the four sides of the body 110, wiring the positive and negative bus bars in the X and Y directions, and electrically connecting the positive bus bar with the positive terminal of each connection terminal 140, and electrically connecting the negative bus bar with the negative terminal of each connection terminal 140. The four first charging coils are respectively arranged in the four areas, the first charging coils in the first area and the first charging coils in the fourth area are electrically connected to the bus connecting part along the Y direction along the X direction, and the first charging coils in the second area and the first charging coils in the third area are electrically connected to the bus connecting part along the X direction along the Y direction.

With continued reference to fig. 2, the present application proposes a charging system, which includes a charging post 200 and a wireless charging module 100, wherein a connection terminal 140 is electrically connected to a connection bus 120 of the wireless charging module 100, and the charging post 200 is connected to the connection terminal 140 through a first cable 300.

The first cable 300 is disposed between the charging pile 200 and the wireless charging module 100, and the first cable 300 transmits the electric energy of the charging pile 200 to the connection bus 120 in the wireless charging module 100 through one connection terminal 140 in the wireless charging module 100, so as to charge the device to be charged.

The connection bus 120 may also be electrically connected to other power supply devices, such as a generator or a power grid.

In some embodiments, the charging system includes a plurality of wireless charging modules 100, and the connection terminals 140 of two adjacent wireless charging modules 100 are connected by an extension terminal 150.

As shown in fig. 4, the extension terminal 150 may include two positive terminals and two negative terminals. The two positive terminals of the extension terminal 150 are electrically connected to the positive terminals of the adjacent two connection terminals 140, respectively, and the two negative terminals of the extension terminal 150 are electrically connected to the negative terminals of the adjacent two connection terminals 140, respectively. The extension terminal 150 is a male, the connection terminal 140 is a female, or the extension terminal 150 is a female, and the connection terminal 140 is a male. The four sides of the main body 110 may be provided with one connection terminal 140, respectively, so that any one of the main body 110 other than the main body 110 connected with the charging post 200 may extend four wireless charging modules 100, and the main body 110 connected with the charging post 200 may extend three wireless charging modules 100 to increase the number of devices to be charged simultaneously.

As shown in fig. 5, one wireless charging module 100 includes a plurality of identification parts, so that a plurality of devices to be charged can be charged at the same time, but one wireless charging module 100 can only usually carry one device to be charged. The reserved area 160 is extended around the wireless charging module 100, the reserved area 160 is free of the first charging coil 130, and the to-be-charged equipment such as the electric automobile 400 on the reserved area 160 can be charged by using the idle first charging coil 130 of the charging module adjacent to the reserved area, so that the utilization rate of the first charging coil 130 is improved.

According to the charging system of the application, the charging pile 200 transmits electric energy to the connection terminal 140 through the cable, the connection terminal 140 supplies power to the wireless charging module 100 by utilizing the connection bus 120, the wireless charging module 100 supplies the electric energy provided by the charging pile 200 to each first charging coil 130, and the plurality of first charging coils 130 arranged on the identification part can simultaneously perform wireless charging on a plurality of devices to be charged, so that a one-pile-to-multi-device wireless charging mode is realized, and the utilization rate of the charging pile 200 is improved.

As shown in fig. 6, in some embodiments, the charging system further comprises a wireless charging gun. The wireless charging gun includes a charging plug 510, a second charging coil 530, and a second cable 520 connected between the charging plug 510 and the second charging coil 530.

The charging power of different devices to be charged is different, so that the charging system is provided with wireless charging guns of different models, and the different wireless charging guns are provided with charging plugs 510 with different rated powers. When the equipment to be charged is charged, the charging plug 510 of the matched wireless charging gun is selected to be connected with the charging interface of the equipment to be charged.

After the charging interface of the charging device is connected with the charging plug 510, the second charging coil 530 is disposed in the groove of the identification portion, and is coupled with the first charging coil 130 to induce a current.

The second cable 520 is connected between the second charging coil 530 and the charging plug 510, and is mainly used for transmitting the current induced by the second charging coil 530 to the charging plug 510 to charge the device to be charged.

In some embodiments, the charging system is configured to charge the vehicle.

The charging stake 200 transmits electric power to the connection terminal 140 through the cable, the connection terminal 140 supplies electric power to the wireless charging module 100 by using the connection bus 120, and the wireless charging module 100 supplies electric power supplied from the charging stake 200 to each of the identification portions. Because the power requirements of the vehicles with different models for charging are different, the vehicles with different models can select a proper first charging coil 130 from a plurality of first charging coils 130, and the plurality of first charging coils 130 arranged on the identification part can simultaneously carry out wireless charging on the vehicles with different models, so that a wireless charging mode of one pile for multiple vehicles is realized, and the utilization rate of the charging pile 200 is improved.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A wireless charging module, comprising:

A main body including a plurality of identification portions;

A connection bus arranged on the main body, the connection bus having a plurality of branch portions;

A plurality of first charging coils, each of which is electrically connected with each of the branch portions, and is arranged at each of the identification portions;

at least one connection terminal electrically connected with the connection bus.

2. The wireless charging module of claim 1, wherein the number of connection terminals is a plurality, each of the connection terminals being electrically connected to the connection bus bar.

3. The wireless charging module of claim 2, wherein each of the connection terminals is disposed proximate an edge of the body.

4. A wireless charging module according to claim 3, wherein a plurality of the connection terminals are distributed along a circumferential direction of the main body.

5. The wireless charging module of any one of claims 1-4, wherein the identification portion is provided with a recess for placement of a second charging coil coupled with the first charging coil for transmission of electrical energy.

6. The wireless charging module of any of claims 1-4, wherein the body comprises a carrier for carrying the device to be charged.

7. The wireless charging module according to any one of claims 1 to 4, wherein the main body is rectangular, and the branch portions of the connecting bus bar are arranged in a length direction or a width direction of the main body.

8. A charging system comprising a charging post and a wireless charging module according to any one of claims 1-7, the connection bus of the wireless charging module being electrically connected with a connection terminal, the charging post being connected with the connection terminal by a first cable.

9. The charging system of claim 8, wherein the charging system comprises a plurality of the wireless charging modules, the connection terminals of adjacent two of the wireless charging modules being connected by an expansion terminal.

10. The charging system of claim 8, wherein the charging system further comprises:

the wireless rifle that charges, wireless rifle that charges includes charging plug, second charging coil and connect in charging plug with second cable between the second charging coil.

11. The charging system of any one of claims 8-10, wherein the charging system is configured to charge a vehicle.