Wireless power supply suspended ceiling of fabricated building and control method of wireless power supply suspended ceiling

Abstract

The invention discloses a wireless power supply suspended ceiling of an assembly type building and a control method thereof, and the wireless power supply suspended ceiling of the assembly type building comprises a substrate which is provided with a plurality of hoisting openings in the circumferential direction; a plurality of wireless charging coils which are installed on the plate surface of the substrate and are uniformly distributed along the plate surface of the substrate; the wireless charging main control board is mounted on the board surface of the substrate, and the plurality of wireless charging coils are electrically connected with the wireless charging main control board respectively; the magnetic attraction element is mounted on the plate surface of the base plate; an electrical element is magnetically attracted to the wireless power supply suspended ceiling by the magnetic attraction element, and the wireless charging main control board controls one wireless charging coil close to the electrical element to conduct wireless power supply conduction with the electrical element. Prefabricating machining of the suspended ceiling is achieved, assembly type installation can be conducted, the integration degree is high, installation is easy and convenient, the decoration efficiency is greatly improved, and the decoration cost is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, and in particular to a wireless power supply ceiling of an assembled building and a control method thereof. Background Art

[0002] Prefabricated buildings refer to buildings that transfer a large amount of on-site work in traditional construction methods to factories, where building components and accessories (such as floor slabs, wall panels, stairs, balconies, etc.) are processed and manufactured in the factory, transported to the construction site, and assembled and installed on site through reliable connection methods.

[0003] In the practical application of prefabricated building projects, factory-processed building components and accessories can greatly improve the progress and quality of construction. However, the later decoration construction of prefabricated buildings still relies on traditional construction methods. Among them, building ceilings are the most widely used project in current decoration methods. Existing building ceilings are all processed and constructed on-site with ceiling materials. Many factors such as ceiling wiring and hole openings need to be considered. The construction process is cumbersome and has poor scalability in the future.

[0004] In view of this, the present invention is proposed. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention proposes a wireless power supply ceiling for prefabricated buildings and a control method thereof. Specifically, the following technical solutions are adopted:

[0006] A wireless power supply ceiling for an assembled building, comprising:

[0007] substrate;

[0008] The wireless charging coils include a plurality of coils installed on the surface of the substrate and distributed on one side of the substrate;

[0009] A wireless charging main control board is mounted on the substrate, and the plurality of wireless charging coils are electrically connected to the wireless charging main control board respectively;

[0010] The electrical components are installed on the wireless power supply ceiling, and the wireless charging main control board controls one of the multiple wireless charging coils to conduct wireless power supply with the electrical components.

[0011] As an optional embodiment of the present invention, the present invention provides a wireless powered ceiling for an assembled building, wherein a plurality of wireless charging coils are evenly distributed in an array along one side surface of the substrate, and a plurality of wireless charging coils in the same row are electrically connected to the wireless charging main control board through the same set of connecting cables, wherein the connecting cables have a plurality of parallel connecting wires, which are respectively electrically connected to each wireless charging coil.

[0012] As an optional embodiment of the present invention, a wireless power supply ceiling for an assembled building of the present invention includes a magnetic element installed on the board surface of the substrate, and the electrical component is magnetically attracted by the magnetic element and installed on the wireless power supply ceiling.

[0013] As an optional embodiment of the present invention, in a wireless power supply ceiling for an assembled building of the present invention, the magnetic element is a strong magnetic strip, and the strong magnetic strip includes a plurality of strips arranged in multiple rows along the surface of the substrate, and the wireless charging coil is distributed between two rows of the strong magnetic strips;

[0014] Optionally, a plurality of wireless charging coils are arranged in the area between two adjacent strong magnetic strips.

[0015] As an optional embodiment of the present invention, a wireless power supply ceiling for an assembled building of the present invention includes a decorative cover, which is detachably mounted on the substrate, covering the wireless charging coil, the wireless charging main control board and the magnetic element; the electrical component is magnetically adsorbed by the magnetic element and mounted on the decorative cover.

[0016] As an optional embodiment of the present invention, a wireless power supply ceiling of an assembled building of the present invention has a plurality of electrical component mounting positions on the end face of the decorative cover body, the electrical component mounting positions are arranged in a one-to-one correspondence with the wireless charging coils, the electrical components are magnetically adsorbed on the electrical component mounting positions by the magnetic elements, and the wireless charging main control board controls the wireless charging coils corresponding to the electrical component mounting positions and the electrical components to conduct wireless power supply.

[0017] As an optional embodiment of the present invention, in a wireless power supply ceiling of an assembled building of the present invention, the electrical component installation position is a mounting groove arranged on the end face of the decorative cover body, and a detachable decorative cover is installed on the notch of the mounting groove.

[0018] As an optional embodiment of the present invention, a wireless power supply ceiling for an assembled building of the present invention includes a floor slab, a plurality of hoisting openings arranged circumferentially on the base plate, a plurality of hoisting grooves arranged circumferentially on the decorative cover, the hoisting grooves corresponding one-to-one with the hoisting openings, a mounting opening being provided in the hoisting grooves, and a connecting member sequentially passing through the mounting openings of the hoisting grooves and the hoisting openings to be fixedly connected to the floor slab;

[0019] Optionally, threaded steel bars are welded on the steel beams of the floor slab, and the threaded steel bars have internal threaded holes therein. The connecting members are connecting bolts, which sequentially penetrate the mounting opening of the hoisting slot, the hoisting opening, and the internal threaded holes of the threaded steel bars for threaded fixed connection.

[0020] Optionally, a detachable lifting slot cover is installed on the slot opening of the lifting slot.

[0021] The present invention also provides a method for controlling the wireless power supply ceiling of the prefabricated building, comprising:

[0022] The wireless charging main control board obtains an installation signal of the electrical component being installed on the wireless power supply ceiling;

[0023] The wireless charging main control board controls one of the plurality of wireless charging coils to conduct wireless power supply to the electrical component according to the installation position of the electrical component.

[0024] As an optional embodiment of the present invention, a method for controlling a wireless power supply ceiling of an assembled building of the present invention, wherein the wireless charging main control board controls one of a plurality of wireless charging coils to wirelessly power the electrical component according to the installation position of the electrical component, includes:

[0025] The wireless charging main control board controls all wireless charging coils to be energized, and each wireless charging coil emits an electromagnetic signal to detect the installation position of the electrical component;

[0026] The wireless charging main control board controls the wireless charging coil corresponding to the electrical component to keep it powered on and to perform wireless power supply conduction with the electrical component according to the installation position of the electrical component, and controls other wireless charging coils to be powered off.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] First of all, the wireless power supply ceiling of an assembled building of the present invention can be produced and processed as an independent building accessory in a prefabricated manner, reducing the lighting pipelines reserved in the structural plate and realizing pipeline separation. At the same time, during decoration, it can be measured in advance and then produced and processed in the factory. After processing, it can be directly installed on the construction site without interfering with other on-site decoration construction, and the installation is simple and convenient.

[0029] Secondly, the wireless power supply ceiling of an assembled building of the present invention integrates multiple wireless charging coils, which can provide wireless power supply for electrical components installed on the wireless power supply ceiling. The construction site only needs to reserve power holes for the wireless power supply ceiling, eliminating the need for on-site wiring and hole drilling construction; and the subsequent installation of electrical components on the wireless power supply ceiling is also easier.

[0030] Again, the wireless power supply ceiling of an assembled building of the present invention integrates multiple wireless charging coils and is not limited to fixed hole positions. Electrical components only need to have a wireless power supply function module to be used, and the functional expansion is flexible.

[0031] Finally, the wireless power supply ceiling of a prefabricated building of the present invention integrates magnetic elements, which absorb electrical components by magnetic attraction, greatly simplifying the installation and connection of electrical components.

[0032] In summary, the wireless power supply ceiling of an assembled building of the present invention realizes the prefabrication of the ceiling and can be assembled and installed. It has high integration and is simple and convenient to install, which greatly improves the decoration efficiency and saves decoration costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 A front view of a wireless power supply ceiling for an assembled building according to an embodiment of the present invention (excluding the decorative cover);

[0034] Figure 2 A side view of a wireless power supply ceiling for an assembled building according to an embodiment of the present invention;

[0035] Figure 3 A schematic diagram of the installation of a wireless power supply ceiling for an assembled building according to an embodiment of the present invention;

[0036] Figure 4 Embodiments of the present invention Figure 3 A partial enlarged view of point A in the middle;

[0037] Figure 5 Schematic diagram of wireless power supply to electrical components by a wireless charging coil according to an embodiment of the present invention;

[0038] Figure 6 A top view of a floor slab according to an embodiment of the present invention. DETAILED DESCRIPTION

[0039] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0040] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0041] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein may be combined with each other.

[0042] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0043] In the description of the present invention, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the inventive product is typically placed when in use, or the orientations or positional relationships commonly understood by those skilled in the art. Such terms are intended solely to facilitate the description of the present invention and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" and the like are used solely for distinction and should not be construed as indicating or implying relative importance.

[0044] See also Figure 1-Figure 3 As shown, a wireless power supply ceiling for an assembled building in this embodiment includes:

[0045] substrate 100;

[0046] The wireless charging coils 203 include a plurality of wireless charging coils 203 mounted on the surface of the substrate 100 and distributed on one side of the substrate 100;

[0047] A wireless charging main control board 201 is mounted on the surface of the substrate 100 , and the plurality of wireless charging coils 203 are electrically connected to the wireless charging main control board 201 ;

[0048] The electrical component 500 is installed on the wireless power supply ceiling, and the wireless charging main control board 201 controls one of the multiple wireless charging coils 203 to conduct wireless power supply with the electrical component 500.

[0049] The wireless power supply ceiling for an assembled building proposed in this embodiment has the following advantages:

[0050] First of all, the wireless power supply ceiling of an assembled building in this embodiment can be produced and processed as an independent building accessory in a prefabricated manner, reducing the lighting pipelines reserved in the structural plate and realizing pipeline separation. At the same time, during decoration, it can be measured in advance and then produced and processed in the factory. After processing, it can be directly installed on the construction site without interfering with other on-site decoration construction, and the installation is simple and convenient.

[0051] Secondly, the wireless power supply ceiling of a prefabricated building in this embodiment integrates multiple wireless charging coils 203, which can provide wireless power supply for electrical components installed on the wireless power supply ceiling. The construction site only needs to reserve power holes for the wireless power supply ceiling, eliminating the need for on-site wiring and hole drilling construction; and it is also easier to install electrical components on the wireless power supply ceiling in the later stage.

[0052] Again, the wireless power supply ceiling of a prefabricated building in this embodiment integrates multiple wireless charging coils 203 and is not limited to fixed hole positions. Electrical components only need to have a wireless power supply function module to be used, and the functional expansion is flexible.

[0053] In summary, the wireless power supply ceiling of an assembled building in this embodiment realizes the prefabrication of the ceiling and can be assembled and installed. It has high integration and is simple and convenient to install, which greatly improves the decoration efficiency and saves decoration costs.

[0054] As an optional implementation of this embodiment, multiple wireless charging coils 203 are evenly distributed in an array along one side of the substrate 100. Multiple wireless charging coils 203 in the same row are electrically connected to the wireless charging main control board 201 via a common set of connecting cables 205. The connecting cables 205 include multiple parallel connecting wires, each electrically connected to each wireless charging coil 203. This embodiment of a wireless power ceiling for an assembled building utilizes connecting cables 205 to electrically connect multiple wireless charging coils 203 in the same row to the wireless charging main control board 201, resulting in a simpler circuit and a higher level of integration.

[0055] Furthermore, the wireless power supply ceiling of a prefabricated building of this embodiment includes a magnetic element 202 installed on the surface of the substrate 100, and the electrical component 500 is magnetically attracted by the magnetic element 202 and installed on the wireless power supply ceiling. The wireless power supply ceiling of a prefabricated building of this embodiment integrates the magnetic element 202, which attracts the electrical component 500 by magnetic attraction, greatly simplifying the installation and connection of the electrical component.

[0056] As an optional implementation of this embodiment, a wireless power ceiling for a prefabricated building is provided. The magnetic element 202 comprises a plurality of strong magnetic strips arranged in multiple rows along the surface of the substrate 100, with the wireless charging coil 203 located between the strong magnetic strips. By arranging strong magnetic strips on the surface of the substrate 100, the magnetic element 202 completely covers the entire surface of the substrate 100, allowing for greater freedom in selecting the installation location of electrical components and significantly improving the user experience.

[0057] Specifically, in a wireless power supply ceiling of a prefabricated building of this embodiment, the strong magnetic strips are arranged parallel to each other on the plate surface of the substrate 200, and a plurality of wireless charging coils 203 are arranged in the area between two adjacent strong magnetic strips.

[0058] As an optional implementation of this embodiment, this embodiment is a wireless power supply ceiling for an assembled building, and the magnetic attraction element 202 is an independent strong magnetic block. The strong magnetic block is installed in a one-to-one correspondence with the wireless charging coil 203. When installing the electrical component 500, the electrical component 500 is installed in place only when it is adsorbed by the strong magnetic block. At the same time, the wireless charging coil 203 corresponding to the strong magnetic block that adsorbs the electrical component 500 is controlled to be energized to provide wireless power to the electrical component 500.

[0059] As an optional implementation of this embodiment, this embodiment is a wireless power supply ceiling of an assembled building, and the wireless charging main control board 201 has a power interface 204, which can be electrically connected to a reserved power interface in the building to realize the overall power supply of the wireless power supply ceiling.

[0060] Specifically, the power interface 204 of this embodiment is a USB power interface, which is electrically connected to a power interface reserved in the building through a power adapter.

[0061] As an optional implementation of this embodiment, a wireless power supply ceiling for an assembled building includes a decorative cover 300. The decorative cover 300 is detachably mounted on the substrate 100, covering the wireless charging coil 203, the wireless charging main control board 201, and the magnetic element 202. The electrical component 500 is magnetically attracted by the magnetic element 202 and mounted on the decorative cover 300. The decorative cover 300 of this embodiment supports personalized selection and customization to adapt to various decoration styles and meet users' personalized decoration needs.

[0062] Furthermore, in this embodiment of a wireless power supply ceiling for a prefabricated building, the decorative cover 300 has multiple electrical component mounting locations on its end surface. These electrical component mounting locations are arranged in a one-to-one correspondence with the wireless charging coils 203. The electrical components are magnetically attracted to the electrical component mounting locations by the magnetic elements 202. The wireless charging main control board 201 controls the wireless charging coils 203 corresponding to the electrical component mounting locations to wirelessly power the electrical components. Providing electrical component mounting locations on the decorative cover 300 not only facilitates the positioning and installation of the electrical components, but also enables better wireless power supply from the wireless charging coils 203 to the electrical components.

[0063] Specifically, in this embodiment of a wireless power supply ceiling for prefabricated buildings, the electrical component mounting location is a mounting groove provided on the end surface of the decorative cover body, and a removable decorative cover is mounted on the notch of the mounting groove. Before the electrical component is installed, the decorative cover is sealed over the mounting groove to maintain the integrity of the wireless power supply ceiling. When the electrical component needs to be installed in another mounting groove, the decorative cover is removed from the corresponding mounting groove.

[0064] As an optional implementation of this embodiment, the decorative cover plate of this embodiment may also be rotatably connected to the installation groove, and the installation groove may be opened / closed by flipping.

[0065] See also Figure 3-Figure 4 As shown, this embodiment of a wireless power supply ceiling for an assembled building includes a floor 400, a plurality of hoisting openings 101 arranged circumferentially on the base plate 100, and a plurality of hoisting slots 301 arranged circumferentially on the decorative cover 300. The hoisting slots 301 correspond one-to-one with the hoisting openings 101. The hoisting slots 301 are provided with mounting openings 302. Connectors 600 sequentially pass through the mounting openings 302 and the hoisting openings 101 of the hoisting slots 301 to be fixedly connected to the floor 400. The wireless power supply ceiling of this embodiment is integrally assembled with the floor 400 through the connectors, eliminating the need for on-site construction and achieving simplicity and efficiency.

[0066] Specifically, the threaded steel bar 402 is welded on the steel beam 401 of the floor 400 described in this embodiment, and the threaded steel bar 402 has an internal threaded hole. The connecting member 600 is a connecting bolt, which passes through the installation port 302 of the lifting groove 301, the lifting port 101 and the internal threaded hole of the threaded steel bar 402 in sequence for threaded fixed connection.

[0067] Optionally, a detachable hanging slot cover 700 is installed on the slot of the hanging slot 301 described in this embodiment. After the connecting bolts are installed, the hanging slot cover 700 is installed on the slot of the hanging slot 301 to cover the connecting bolts and ensure the overall aesthetic appearance of the wireless power supply ceiling.

[0068] The electrical component described in this embodiment has a magnetic module to achieve magnetic connection with the wireless power supply ceiling.

[0069] See also Figure 5 As shown, the electrical component 500 in this embodiment has a wireless charging module 501 to realize wireless power supply to the wireless power ceiling.

[0070] Specifically, the electrical component 500 of this embodiment may be an electric lamp, a smoke sensor, etc.

[0071] This embodiment also provides a method for controlling a wireless power supply ceiling of an assembled building, including:

[0072] The wireless charging main control board obtains an installation signal of the electrical component being installed on the wireless power supply ceiling;

[0073] The wireless charging main control board controls one of the plurality of wireless charging coils to conduct wireless power supply to the electrical component according to the installation position of the electrical component.

[0074] In the control method for a wireless power ceiling in a prefabricated building of this embodiment, the wireless charging main control panel can automatically detect the electrical components on the wireless power ceiling, locate the installation location of the electrical components, and control the wireless charging coil corresponding to the installation location of the electrical components to energize the electrical components. Therefore, the control method for a wireless power ceiling in a prefabricated building of this embodiment can achieve fully automatic identification and power supply of the electrical components 500. Users can directly install electrical components that support wireless charging on the wireless power ceiling without requiring electrical knowledge to connect the circuits. This greatly facilitates user experience, improves the user experience, and is safe and reliable.

[0075] As an optional implementation of this embodiment, a control method for a wireless power supply ceiling of an assembled building in this embodiment, wherein the wireless charging main control board controls one of the multiple wireless charging coils to wirelessly power the electrical component according to the installation position of the electrical component, includes:

[0076] The wireless charging main control board controls all wireless charging coils to be energized, and each wireless charging coil emits an electromagnetic signal to detect the installation position of the electrical component;

[0077] The wireless charging main control board controls the wireless charging coil corresponding to the electrical component to keep it powered on and to perform wireless power supply conduction with the electrical component according to the installation position of the electrical component, and controls other wireless charging coils to be powered off.

[0078] In this embodiment, a method for controlling a wireless power supply ceiling of an assembled building is provided. The wireless charging main control board controls the power supply of all wireless charging coils. Each wireless charging coil emits an electromagnetic signal to detect the installation position of the electrical component without the need for additional detection components.

[0079] As an optional implementation of this embodiment, the control method of a wireless power supply ceiling of an assembled building in this embodiment can also realize the installation position detection of electrical components by other methods, such as detection by sensors.

[0080] Specifically, in this embodiment, micro switches are respectively provided in the mounting grooves on the end faces of the decorative cover. When an electrical component is installed in a certain mounting groove, the micro switch in the mounting groove is closed and sends an electrical signal to the wireless charging main control board. The wireless charging main control board receives the electrical signal to determine the installation position of the electrical component, and can control the corresponding wireless charging coil to keep energized and conduct wireless power supply to the electrical component.

[0081] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A wireless power supply ceiling for an assembled building, characterized in that: include: substrate; The wireless charging coils include a plurality of coils installed on the surface of the substrate and distributed on one side of the substrate; A wireless charging main control board is mounted on the substrate, and the plurality of wireless charging coils are electrically connected to the wireless charging main control board respectively; The electrical components are installed on the wireless power supply ceiling, and the wireless charging main control board controls one of the multiple wireless charging coils to conduct wireless power supply with the electrical components.

2. The wireless power supply ceiling for an assembled building according to claim 1, characterized in that: The multiple wireless charging coils are evenly distributed in an array along one side of the substrate. The multiple wireless charging coils in the same row are electrically connected to the wireless charging main control board through the same set of connecting cables. The connecting cables have multiple parallel connecting wires, which are electrically connected to each wireless charging coil respectively.

3. The wireless power supply ceiling for an assembled building according to claim 2, characterized in that: It includes a magnetic attraction element installed on the board surface of the substrate, and the electrical component is magnetically attracted by the magnetic attraction element and installed on the wireless power supply ceiling.

4. The wireless power supply ceiling for an assembled building according to claim 3, characterized in that: The magnetic element is a strong magnetic strip, which includes a plurality of strong magnetic strips arranged in multiple rows along the surface of the substrate, and the wireless charging coil is distributed between two rows of strong magnetic strips; Optionally, a plurality of wireless charging coils are arranged in the area between two adjacent strong magnetic strips.

5. The wireless power supply ceiling for an assembled building according to claim 3, characterized in that: It includes a decorative cover, which is detachably mounted on the substrate to cover the wireless charging coil, the wireless charging main control board and the magnetic element; the electrical component is magnetically attracted by the magnetic element and mounted on the decorative cover.

6. The wireless power supply ceiling for an assembled building according to claim 5, characterized in that: The decorative cover has a plurality of electrical component mounting positions on its end surface, and the electrical component mounting positions are arranged in one-to-one correspondence with the wireless charging coils. The electrical components are magnetically adsorbed on the electrical component mounting positions by the magnetic elements, and the wireless charging main control board controls the wireless charging coils corresponding to the electrical component mounting positions to conduct wireless power supply with the electrical components.

7. The wireless power supply ceiling for an assembled building according to claim 6, characterized in that: The electrical component installation position is a mounting groove provided on the end surface of the decorative cover body, and a detachable decorative cover plate is installed on the notch of the mounting groove.

8. The wireless power supply ceiling for an assembled building according to claim 5, characterized in that: The base plate comprises a plurality of lifting openings arranged circumferentially on the base plate, the decorative cover body comprises a plurality of lifting grooves arranged circumferentially on the decorative cover body, the lifting grooves corresponding to the lifting openings one by one, the lifting grooves are provided with mounting openings, and the connecting pieces sequentially pass through the mounting openings of the lifting grooves, the lifting openings and the floor plate to be fixedly connected; Optionally, threaded steel bars are welded on the steel beams of the floor slab, and the threaded steel bars have internal threaded holes therein. The connecting members are connecting bolts, which sequentially penetrate the mounting opening of the hoisting slot, the hoisting opening, and the internal threaded holes of the threaded steel bars for threaded fixed connection. Optionally, a detachable lifting slot cover is installed on the slot opening of the lifting slot.

9. A method for controlling a wireless power supply ceiling of an assembled building according to any one of claims 1 to 8, characterized in that: include: The wireless charging main control board obtains an installation signal of the electrical component being installed on the wireless power supply ceiling; The wireless charging main control board controls one of the plurality of wireless charging coils to conduct wireless power supply to the electrical component according to the installation position of the electrical component.

10. The control method of a wireless power supply ceiling of an assembled building according to claim 9, characterized in that: The wireless charging main control board controls one of the plurality of wireless charging coils to conduct wireless power supply to the electrical component according to the installation position of the electrical component, including: The wireless charging main control board controls all wireless charging coils to be energized, and each wireless charging coil emits an electromagnetic signal to detect the installation position of the electrical component; The wireless charging main control board controls the wireless charging coil corresponding to the electrical component to keep it powered on and to perform wireless power supply conduction with the electrical component according to the installation position of the electrical component, and controls other wireless charging coils to be powered off.

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