CN219674139U

CN219674139U - Lighting system

Info

Publication number: CN219674139U
Application number: CN202223569142.9U
Authority: CN
Inventors: 陈瑞鹏; 朱秀晶; 时雯; 吴小颖
Original assignee: Shanghai Drager Medical Equipment Co ltd
Current assignee: Shanghai Drager Medical Equipment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-09-12
Anticipated expiration: 2032-12-30

Abstract

A lighting system, comprising: a lighting device; a cantilever structure, the illumination device coupled with the cantilever structure, the cantilever structure comprising: the front-stage cantilever and the rear-stage cantilever are provided with respective first ends and second ends, and the second ends of the front-stage cantilever are rotationally connected with the first ends of the rear-stage cantilever; the power supply device comprises a power supply module and a power receiving module, wherein the power supply module is arranged at the second end of the front-stage cantilever, and the power receiving module is arranged at the first end of the rear-stage cantilever; in a use state, the power supply coil in the power supply module and the power receiving coil in the power receiving module are electromagnetically coupled. The scheme provided by the utility model can avoid the problems of poor contact, short circuit and the like caused by cable damage due to frequent rotation of the cantilever.

Description

Lighting system

Technical Field

The utility model relates to the technical field of equipment power supply, in particular to a lighting system.

Background

In some lighting systems, the cables for supplying power are usually required to be connected to the lighting device through a plurality of cantilevers, however, due to the fact that the cantilevers are usually connected in a rotating manner, the cables are easily twisted when the cantilevers rotate, so that the cables are damaged, and risks of poor contact and short circuit are brought about, and rotation at any angle cannot be achieved between the cantilevers. Thus, existing lighting systems are to be optimized.

Disclosure of Invention

The utility model provides a lighting system, which can avoid the problems of poor contact, short circuit and the like caused by cable damage due to frequent rotation of a cantilever.

To solve the above technical problems, an embodiment of the present utility model provides an illumination system, including: a lighting device; a cantilever structure coupled with the lighting device, the cantilever structure comprising: the front-stage cantilever and the rear-stage cantilever are provided with respective first ends and second ends, and the second ends of the front-stage cantilever and the first ends of the rear-stage cantilever are rotationally connected; the power supply device comprises a power supply module and a power receiving module, wherein the power supply module is arranged at the second end of the front-stage cantilever, and the power receiving module is arranged at the first end of the rear-stage cantilever; in a use state, the power supply coil in the power supply module and the power receiving coil in the power receiving module are electromagnetically coupled.

Optionally, the lighting device is an operating lamp.

Optionally, the power supply coil is wound on the power supply magnetic core, and the power receiving coil is wound on the power receiving electromagnetic core; the electromagnetic core is provided with a cylindrical groove, and the groove is matched with the electromagnetic core; or, receive the electromagnetic core and be cylindric, the power supply magnetic core has cylindric recess, the recess with receive the electromagnetic core looks adaptation.

Optionally, the power supply module includes: a hollow first housing and a first printed circuit board; the power supply magnetic core, the power supply coil and the first printed circuit board are contained in the first shell, and the first printed circuit board is electrically connected with the power supply coil.

Optionally, the first housing includes a side wall, a first opening opposite to the side wall, and a second opening opposite to the first opening, where the side wall of the first housing is fixed to the second end of the front cantilever, and the second opening of the first housing faces the power receiving module; a first printed circuit board comprising opposing first and second faces, the first face facing the first opening and the second face facing the power core, the power core being perpendicular to the first printed circuit board; the power supply module further includes: the first cap is detachably fixed to the first opening of the first shell.

Optionally, the power supply module further includes: the first protection piece wraps the power supply magnetic core and the power supply coil, and is fixed on the second surface of the first printed circuit board.

Optionally, the power receiving module includes: a hollow second housing and a second printed circuit board; the electromagnetic core, the power receiving coil and the second printed circuit board are accommodated in the second shell, and the second printed circuit board is electrically connected with the power receiving coil.

Optionally, the second housing includes a side wall, a first opening opposite to the side wall, and a second opening, where the side wall of the second housing is fixed to the first end of the rear cantilever, and the second opening of the second housing faces the power supply module; the second printed circuit board comprises a first surface and a second surface which are opposite, the first surface faces the first opening, the second surface faces the electromagnetic core, and the electromagnetic core is perpendicular to the second printed circuit board; the power receiving module further includes: and the second cap is detachably fixed to the first opening of the second shell.

Optionally, the power receiving module further includes: a mounting assembly, comprising: a second protector and a support; the second protection piece wraps the electromagnetic core and the power receiving coil, the support piece is provided with a first surface and a second surface which are opposite to each other, the second protection piece is fixed on the first surface of the support piece, and the second printed circuit board is fixed on the second surface of the support piece.

Optionally, a mounting hole is provided on a side wall of the first casing, a mounting groove is provided on the second casing, and the power supply device further includes: and the fixing piece is inserted from the outside through the mounting hole and is fixed in the mounting groove.

Optionally, the power supply device further includes: the switch is used for starting or closing the power supply device, and the switch is arranged on the first cover cap or the second cover cap.

Optionally, the lighting system further comprises: and the output end of the voltage stabilizing device is electrically connected with the lighting equipment, and the input end of the voltage stabilizing device is electrically connected with the output end of the power supply device.

Compared with the prior art, the technical scheme of the embodiment of the utility model has the following beneficial effects:

in an aspect of an embodiment of the present utility model, an illumination system includes: the device comprises illumination equipment, a cantilever structure and a power supply device, wherein the illumination equipment is coupled with the cantilever structure, the cantilever structure comprises a front-stage cantilever and a rear-stage cantilever, the front-stage cantilever and the rear-stage cantilever are provided with respective first ends and second ends, and the second ends of the front-stage cantilever and the first ends of the rear-stage cantilever are rotationally connected; the power supply module of the power supply device is arranged at the second end of the front-stage cantilever, and the power receiving module is arranged at the first end of the rear-stage cantilever; in the use state, the power supply coil in the power supply module and the power receiving coil in the power receiving module are electromagnetically coupled.

By adopting the scheme, the power supply module and the power receiving module are respectively arranged on the front-stage cantilever and the rear-stage cantilever which are connected in a rotating way, and the non-contact power supply is realized by utilizing the electromagnetic energy conversion principle when the power supply coil in the power supply module and the power receiving coil in the power receiving module are in electromagnetic coupling, so that the cantilevers can rotate at any angle along the rotating shaft, and the problems of poor contact, short circuit and the like caused by cable damage during the rotation of the cantilevers can be avoided. In addition, the problems of cable abrasion, cable twisting and the like are avoided, so that the service life of the lighting system is prolonged.

Drawings

FIG. 1 is a schematic diagram of an illumination system in an embodiment of the utility model;

FIG. 2 is a schematic diagram of a power module according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a power receiving module according to an embodiment of the utility model.

Detailed Description

As described in the background art, in the existing lighting system, the cable for supplying power is usually required to be connected to the lighting device through a plurality of cantilevers, however, because the cantilevers are usually connected in a rotating manner, the cable is easily twisted when the cantilevers rotate, and the cable is damaged, so that risks of poor contact, short circuit and the like are brought about.

In view of this, an embodiment of the present utility model provides an illumination system, where in an aspect of the embodiment of the present utility model, the illumination system includes: the device comprises illumination equipment, a cantilever structure and a power supply device, wherein the illumination equipment is coupled with an external fixing surface through the cantilever structure, the cantilever structure comprises a front-stage cantilever and a rear-stage cantilever, the front-stage cantilever and the rear-stage cantilever are provided with respective first ends and second ends, and the second ends of the front-stage cantilever and the first ends of the rear-stage cantilever are rotationally connected; the power supply module of the power supply device is arranged at the second end of the front-stage cantilever, and the power receiving module is arranged at the first end of the rear-stage cantilever; in the use state, the power supply coil in the power supply module and the power receiving coil in the power receiving module are electromagnetically coupled.

By adopting the scheme, the power supply module and the power receiving module are respectively arranged on the front-stage cantilever and the rear-stage cantilever which are connected in a rotating way, and the non-contact power supply is realized by utilizing the electromagnetic energy conversion principle when the power supply coil in the power supply module and the power receiving coil in the power receiving module are in electromagnetic coupling. Because the power supply module and the power receiving module in the power supply device for non-contact power supply are respectively arranged at the rotating connection parts of the adjacent two-stage cantilevers, the cantilevers can be supported to rotate at any angle along the rotating shaft, and the problems of poor contact, short circuit and the like caused by cable damage during rotation of the cantilevers can be avoided. In addition, the problems of cable abrasion, cable twisting and the like are avoided, so that the service life of the lighting system is prolonged.

In order to make the above objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below.

Referring to fig. 1, fig. 1 is a schematic diagram of an illumination system according to an embodiment of the present utility model. In an aspect of the embodiment of the present utility model, an illumination system may include: a lighting device 11, a power source (not shown in fig. 1), a cantilever structure and a power supply 13.

As shown in fig. 1, the illumination device 11 may be a surgical lamp, and more specifically, the illumination device 11 is a surgical shadowless lamp. In other embodiments, the lighting device 11 may be other devices having a lighting function, which is not limited in this embodiment.

Further, the lighting device 11 is coupled to an external fixation surface by a cantilever structure. As one example, the lighting device 11 is a surgical lamp, and the lighting device 11 may be coupled to a ceiling by a cantilever structure. That is, the external fixation surface is a ceiling, and the lighting system may be suspended.

As another example, the lighting device 11 may be coupled with a carrier by a cantilever structure, which may be placed on the ground. More specifically, the carrier may be movable. That is, the lighting system may be vertical.

Specifically, the cantilever structure comprises a plurality of stages of cantilevers, each stage of cantilevers having a respective first end and second end, and the adjacent two stages of cantilevers being rotatably coupled. More specifically, the two adjacent stages of cantilevers are a front stage cantilever 121 and a rear stage cantilever 122, respectively, and the second end of the front stage cantilever 121 and the first end of the rear stage cantilever 122 are rotatably connected, wherein the front stage cantilever 121 is the cantilever closer to the external fixing surface among the two adjacent stages of cantilevers, and the rear stage cantilever 122 is the cantilever closer to the lighting device 11 among the two adjacent stages of cantilevers. In practical applications, the user may move the lighting device 11 by moving the cantilever.

In implementations, the power source may be secured to an external stationary surface. The power supply may be a switching power supply capable of providing a direct current signal to the lighting device 11. Since the cantilever is generally hollow, the prior art electrically connects the lighting device 11 to the power source by wires passing through the multi-stage cantilever, thereby providing power to the lighting device 11. However, this solution is prone to cable twisting when the cantilever is rotated or moved.

For this reason, in the solution of the embodiment of the present utility model, the power supply device 13 is disposed at the rotation connection position of the adjacent two-stage cantilevers, so as to realize non-contact power supply.

Specifically, the power supply device 13 includes a power supply module (not shown in fig. 1) and a power receiving module 131, the power supply module of the power supply device 13 is disposed at the second end of the front cantilever 121, and the power receiving module 131 is disposed at the first end of the rear cantilever 122. Correspondingly, the second end of the rear cantilever 122 is also provided with a power supply module to supply power to the power receiving module 131 of the next cantilever of the rear cantilever 122, and the first end of the front cantilever 121 is also provided with a power receiving module 131 to receive power from the power supply module of the previous cantilever of the front cantilever 121.

In other words, in the solution of the present embodiment, the first end of each stage cantilever may be provided with a power receiving module 131 to receive electric power from the power supplying module of the previous stage cantilever, and the second end of each stage cantilever may be provided with a power supplying module to supply electric power to the power receiving module 131 of the next stage cantilever.

In addition, the power receiving module 131 disposed at the first end of the same cantilever and the power supplying module disposed at the second end may be connected by a wire to transmit electric power.

In the embodiment of the present utility model, the input of the power supply device 13 is a dc signal, and the output is also a dc signal. In the use process, the power supply coil of the power supply module is electromagnetically coupled with the power receiving coil of the power receiving module 131, so that non-contact power supply between the power supply module and the power receiving module 131 is realized.

In the solution of the present embodiment, in the use state, the method of non-contact power supply (i.e., wireless charging) from the power supply module of the power supply device 13 to the power receiving module 131 may be a conventional wireless charging technology based on electromagnetic induction, which is not limited in this embodiment.

As a specific example, the power supply module may include: inverter circuit and power supply coil, the power receiving module can include: a power receiving coil and a rectifying circuit. More specifically, an input terminal of the inverter circuit is electrically connected to an input terminal of the power supply module, and the inverter circuit is configured to convert a direct current signal input to the power supply module into an alternating current signal. Further, an output end of the inverter circuit is electrically connected with the power supply coil to transmit an alternating current signal to the power supply coil. Further, the power supply coil and the power receiving coil are electromagnetically coupled to form a complete magnetic field coupling loop, so that electric energy is transmitted to the power receiving module.

Further, the input end of the rectifying circuit is electrically connected with the power receiving coil, the rectifying circuit is used for converting an alternating current signal into a direct current signal, and the output end of the rectifying circuit is electrically connected with the output end of the power supply device so as to transmit the direct current signal to the output end of the power supply device.

Further, in the solution of the embodiment of the present utility model, the lighting system further includes a voltage stabilizing device (not shown in fig. 1), an output end of the voltage stabilizing device is electrically connected to the lighting apparatus, and an input end of the voltage stabilizing device is electrically connected to an output end of the power supply device. By arranging the voltage stabilizing device, the electric signal provided to the lighting equipment is more stable.

Further, in the solution of the present embodiment, the power supply device 13 may also be provided with a switch (not shown in fig. 1) and an indication unit (not shown in fig. 1). Wherein the switch is used for starting or closing the power supply device. Specifically, when the user presses the switch for a long time, the power supply device is activated to enter the operating state.

Furthermore, the indication unit may be used for indicating the operating state of the power supply device. In a specific implementation, the indication unit may be an LED indicator light. As one example, when the LED indicator is in an on state, the power supply device is turned off or is stopped; when the indicator lamp is in a flashing state, the power supply device is in a starting self-checking flow; when the indicator lamp is in a normally-on state, the power supply device is in a normal working state. By the above, in the scheme of the embodiment of the utility model, the working state of the power supply device can be indicated by the indicator lamp, so that the timely identification and power-off protection of faults are realized.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a power supply module according to an embodiment of the utility model. Referring to fig. 3, fig. 3 is a schematic structural diagram of a power receiving module according to an embodiment of the utility model.

As shown in fig. 2, the power supply module includes: the switch 310, the first housing 311, the first cap 312, the first printed circuit board 313, the first protector 314, the power coil 315 and the power core 316, the first fixing screw 317 and the potting compound 318.

Specifically, the first housing 311 is hollow, and may be used to house a first printed circuit board 313, a power supply coil 315, a power supply core 316, and the like.

Specifically, the first housing 311 includes a side wall, a first opening opposite to the side wall, and a second opening, where the side wall of the first housing 311 is fixed to the second end 30 of the front cantilever, and a first cap 312 is installed at the first opening of the first housing 311, and the second opening of the first housing 311 faces the power receiving module. In an embodiment, the material of the first housing 311 may be metal.

More specifically, the first cap 312 is detachably mounted at the first opening of the first housing 311, and when a user has a need for installation and repair, the installation and repair can be completed by removing the first cap 312. The material of the first cap 312 may be plastic.

Further, a switch 310 may be provided on the first cap 312, and the switch 310 is used to turn on or off the power supply device.

Further, the first printed circuit board 313 has opposite first and second faces, the first face of the first printed circuit board 313 facing the first cap 312, i.e., the first face of the first printed circuit board 313 facing the first opening of the first housing 311; the second side of the first printed circuit board 313 faces the power core 316, and the power core 316 is perpendicular to the first printed circuit board 313. With this structure, the first printed circuit board 313, the power supply core 316, and the power supply coil 315 can be easily inspected and detached.

In a specific implementation, the first printed circuit board 313 is provided with an inverter circuit, a control circuit, and other existing circuits for implementing wireless charging, which is not limited in this embodiment.

As shown in fig. 2, the power supply coil 315 is wound around the power supply core 316, and the power supply coil 315 may be a round wire or a flat wire, for example, but not limited to, the power supply coil 315 may be a flat copper wire.

Further, the power supply module further includes: the first protector 314, the first protector 314 may be T-shaped. Specifically, the first protector 314 wraps the power core 316 and the power coil 315 to protect the power core 316 and the power coil 31. In addition, the first protective member 314 is fixed to the second face of the first printed circuit board 313. In an embodiment, the material of the first protection member 314 may be plastic, but is not limited thereto.

Further, the first protection member 314 is filled with glue 318 to fix the power supply core 316 and the power supply coil 315, and heat dissipation can be enhanced.

Further, the first fixing screw 317 may be used to fix the first printed circuit board 313 and the first protector 314 to the first housing 311. Thus, the first protector 314 can not only protect the power supply core 316 and the power supply coil 315, but also support the first printed circuit board 313.

Further, as shown in fig. 3, the power receiving module includes: the second housing 321, the second cap 322, the second printed circuit board 323, the mounting assembly, the power receiving coil 326, the power receiving core 327, the second fixing screw 328, and the potting adhesive 329. Wherein, the installation component includes: a second protector 324, a support 325, and a third set screw 330.

Specifically, the second housing 321 is hollow, and can be used to house the second printed circuit board 323, the power receiving coil 326, the electromagnetic core 327, and the like.

Specifically, the second housing 321 includes a sidewall, a first opening opposite to the sidewall, and a second opening, wherein the sidewall of the second housing 321 is fixed to the first end 40 of the rear cantilever, the second cap 322 is mounted at the first opening of the second housing 321, and the second opening of the second housing 321 faces the power supply module. In an embodiment, the material of the second housing 321 may be metal.

More specifically, the second cap 322 is detachably mounted at the first opening of the second housing 321, and when a user has a need for installation and repair of the inside of the power receiving module, the installation and repair can be completed by removing the second cap 322. The second cap 322 may be made of plastic. In one example, the switch 310 may also be disposed on the second cap 322.

Further, the second printed circuit board 323 has opposite first and second faces, the first face of the second printed circuit board 323 facing the second cap 322, i.e., the first face of the second printed circuit board 323 facing the first opening of the second housing 321; the second side of the second printed circuit board 323 faces the electromagnet core 327, and the electromagnet core 327 is perpendicular to the second printed circuit board 323. With this structure, the second printed circuit board 323, the electromagnetic core 327, and the power receiving coil 326 can be easily inspected and detached.

In the embodiment, the second printed circuit board 323 is provided with a conventional circuit for realizing wireless charging, such as a rectifier circuit, which is not limited in this embodiment

As shown in fig. 3, the power receiving coil 326 is wound around the power receiving core 327, and the power receiving coil 326 may be a round wire or a flat wire, for example, but not limited to, the power receiving coil 326 may be a flat copper wire.

In the embodiment, the power supply core 316 (see fig. 2) and the electromagnetic core 327 (see fig. 3) may be high-permeability cores, for example, ferrite cores.

More specifically, the power core 316 may have a cylindrical shape, and the electromagnetic core 327 has a cylindrical groove, and the groove of the electromagnetic core 327 is adapted to the power core 316. The power core 316 may be positioned within a recess of the electromagnetic core 327 to maximize the avoidance of magnetic leakage. In practice, when the user rotates the cantilever, the power core 316 may rotate within the recess of the electromagnetic core 327.

It should be noted that, in other embodiments, the electromagnetic core may be cylindrical, the power supply magnetic core is a groove with a cylindrical shape, the groove of the power supply magnetic core is adapted to the electromagnetic core, and the electromagnetic core may be located in the groove of the power supply magnetic core.

Further, the power receiving module further includes a mounting assembly including: a second protector 324, a support 325, and a third set screw 330. Wherein, the shape of the second protection member 324 is adapted to the shape of the electromagnetic core 327, and the second protection member 324 wraps the electromagnetic core 327 and the power receiving coil 326 to protect the electromagnetic core 327 and the power receiving coil 326. In an embodiment, the material of the second protection member 324 may be plastic, but is not limited thereto.

Further, the second protector 324 is also filled with glue 329 to fix the electromagnetic core 327 and the power receiving coil 326, and to enhance heat dissipation.

Further, a support 325 is disposed between the second protector 324 and the second printed circuit board 323. Specifically, the support member 325 has opposite first and second sides, the second protector 324 is fixed to the first side of the support member 325, and the second printed circuit board 325 is fixed to the second side of the support member 325.

More specifically, the third fixing screw 330 may be used to fix the second protector 324 and the supporter 325, and the second fixing screw 328 may be used to fix the second printed circuit board 323 and the supporter 325 to the second housing 321.

Further, a mounting hole 411 is provided in a side wall of the first housing 311 (see fig. 2), a mounting groove 412 is provided in the second housing 321 (see fig. 3), and the mounting hole 411 and the mounting groove 412 are aligned. The power supply device further includes: a securing member (not shown) which may be a latch. The fixing member is inserted from the outside through the mounting hole 411 and fixed in the mounting groove 412, whereby the fixation of the first housing 311 and the second housing 321 can be achieved.

By the above, the power supply device in the embodiment of the utility model is used as a wireless power supply connector, replaces the traditional wire connector and can realize non-contact power supply through the electromagnetic energy conversion principle. Compared with the prior art that a power supply cable needs to pass through a cantilever and a rotating shaft, cable twisting is easily caused when the cantilever is rotated, the cable is damaged to bring risks of poor contact and short circuit, and rotation at any angle cannot be realized; the lighting equipment can be plugged in and plugged out in an electrified mode, the risks of electric shock and line short circuit are not required, and therefore professional requirements on installation and maintenance staff are reduced. In addition, the power supply device provided by the embodiment of the utility model avoids the problems of conductor abrasion and cable twisting of the power supply line, and is also beneficial to prolonging the service life of equipment.

It should be understood that the term "and/or" is merely an association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In this context, the character "/" indicates that the front and rear associated objects are an "or" relationship.

The term "plurality" as used in the embodiments of the present utility model means two or more. The first, second, etc. descriptions in the embodiments of the present utility model are only used for illustrating and distinguishing the description objects, and no order is used, nor is the number of the devices in the embodiments of the present utility model limited, and no limitation on the embodiments of the present utility model should be construed. Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Claims

1. A lighting system, comprising:

a lighting device;

a cantilever structure coupled with the lighting device, the cantilever structure comprising: the front-stage cantilever and the rear-stage cantilever are provided with respective first ends and second ends, and the second ends of the front-stage cantilever and the first ends of the rear-stage cantilever are rotationally connected;

the power supply device comprises a power supply module and a power receiving module, wherein the power supply module is arranged at the second end of the front-stage cantilever, and the power receiving module is arranged at the first end of the rear-stage cantilever.

2. The illumination system of claim 1, wherein the illumination device is a surgical lamp.

3. A lighting system as recited in claim 1, wherein said power supply coil is wound on a power supply core and said power receiving coil is wound on a power receiving core;

the electromagnetic core is provided with a cylindrical groove, and the groove is matched with the electromagnetic core;

or, receive the electromagnetic core and be cylindric, the power supply magnetic core has cylindric recess, the recess with receive the electromagnetic core looks adaptation.

4. A lighting system as recited in claim 3, wherein said power supply module comprises:

a hollow first housing and a first printed circuit board;

the power supply magnetic core, the power supply coil and the first printed circuit board are contained in the first shell, and the first printed circuit board is electrically connected with the power supply coil.

5. The lighting system of claim 4, wherein the first housing comprises a side wall, an opposing first opening and a second opening, the side wall of the first housing being secured to the second end of the pre-cantilever, the second opening of the first housing being oriented toward the power receiving module;

the first printed circuit board is provided with a first surface and a second surface which are opposite, the first surface faces the first opening, the second surface faces the power supply magnetic core, and the power supply magnetic core is perpendicular to the first printed circuit board;

the power supply module further includes:

the first cap is detachably fixed to the first opening of the first shell.

6. A lighting system as recited in claim 4, wherein said power supply module further comprises:

the first protection piece wraps the power supply magnetic core and the power supply coil, and the first protection piece is fixed on the second surface of the first printed circuit board.

7. A lighting system as recited in claim 3, wherein said power receiving module comprises:

a hollow second housing and a second printed circuit board;

the electromagnetic core, the power receiving coil and the second printed circuit board are accommodated in the second shell, and the second printed circuit board is electrically connected with the power receiving coil.

8. The lighting system of claim 7, wherein the second housing comprises a side wall, an opposing first opening, and a second opening, the side wall of the second housing being secured to the first end of the rear cantilever, the second opening of the second housing being oriented toward the power module;

the second printed circuit board comprises a first surface and a second surface which are opposite, the first surface faces the first opening, the second surface faces the electromagnetic core, and the electromagnetic core is perpendicular to the second printed circuit board;

the power receiving module further includes: and the second cap is detachably fixed to the first opening of the second shell.

9. The lighting system of claim 7, wherein the powered module further comprises:

a mounting assembly, comprising: a second protector and a support;

the second protection piece wraps the electromagnetic core and the power receiving coil, the support piece is provided with a first surface and a second surface which are opposite to each other, the second protection piece is fixed on the first surface of the support piece, and the second printed circuit board is fixed on the second surface of the support piece.

10. A lighting system as recited in claim 7, wherein a mounting hole is provided in a side wall of the first housing, and wherein a mounting groove is provided in the second housing, and wherein the power supply device further comprises: and the fixing piece is inserted from the outside through the mounting hole and is fixed in the mounting groove.

11. A lighting system as recited in claim 1, wherein said power supply device further comprises:

the switch is used for starting or closing the power supply device, and the switch is arranged on the first cover cap or the second cover cap.

12. A lighting system as recited in claim 1, wherein said lighting system further comprises: and the output end of the voltage stabilizing device is electrically connected with the lighting equipment, and the input end of the voltage stabilizing device is electrically connected with the output end of the power supply device.