CN223677758U - Panel light - Google Patents

Abstract

The embodiment of the utility model discloses a panel lamp which comprises a shell, a lighting plate assembly, a radiating plate assembly and a functional accessory, wherein a containing cavity is formed in the shell, a light emitting opening is formed in one surface of the shell, a mounting opening is formed in the other surface of the shell, a radiating opening is formed in the side surface of the shell, the lighting plate assembly is arranged in the containing cavity, the light emitting surface faces the light emitting opening, the radiating plate is arranged in the containing cavity and is positioned on a non-light emitting surface of the lighting plate assembly, a radiating channel is arranged in the radiating cavity and corresponds to the radiating opening, and the functional accessory comprises a fan assembly or a light source assembly and is connected to the middle of the radiating plate and corresponds to the mounting opening. The heat dissipation effect and the light efficiency are improved.

Description

Panel light

Technical Field

The utility model relates to the field of illumination, in particular to a panel lamp.

Background

With the development of LED lighting technology, the lamp is used as a high-efficiency, energy-saving and uniform-light-efficiency lighting device and is widely applied to places such as families, offices and businesses. However, with the continuous upgrade of the lighting experience demands of users and the diversification of application scenes, the design of the conventional lamp cannot meet these demands gradually. While satisfying the basic lighting function, many existing lamps fail to effectively address other scalable requirements, such as improving heat dissipation to increase service life or improving light source regulation to accommodate different environmental requirements.

In view of the above problems in the prior art, no effective solution exists at present.

Disclosure of utility model

In order to solve the problems, the utility model provides a panel lamp, which realizes effective heat dissipation through a heat dissipation channel of a heat dissipation plate and performs large-area illumination through an illumination plate assembly, on the basis, a fan can be additionally arranged and matched with the heat dissipation channel of the heat dissipation plate to improve the heat dissipation effect, and a light source can be additionally arranged and matched with the illumination plate assembly to improve the light source adjusting capability, so that the problems of low heat dissipation efficiency, inflexible light source adjustment and poor function expansibility in the prior art are solved.

The utility model provides a panel lamp which comprises a shell, a lighting plate assembly, a heat dissipation plate assembly and a functional accessory, wherein the shell is internally provided with a containing cavity, one side of the shell is provided with a light outlet opening, the other side of the shell is provided with a mounting opening, the side face of the lighting plate assembly is provided with a heat dissipation opening, the lighting plate assembly is arranged in the containing cavity, the light outlet face faces the light outlet opening, the heat dissipation plate is arranged in the containing cavity and is positioned on a non-light outlet face of the lighting plate assembly, the heat dissipation channel is arranged on the non-light outlet face of the lighting plate assembly and corresponds to the heat dissipation opening, and the functional accessory comprises a fan assembly or a light source assembly and is connected to the middle part of the heat dissipation plate and corresponds to the mounting opening.

Further optionally, a mounting groove is arranged in the middle of the heat dissipation plate, the mounting groove corresponds to the mounting opening and is used for mounting the functional accessory, heat dissipation ribs are uniformly distributed on the heat dissipation plate and extend outwards from the edge of the mounting groove, and the heat dissipation channels are formed between the adjacent heat dissipation ribs.

Further optionally, the fan assembly comprises a cooling fan and a filter screen, wherein the cooling fan is connected to the middle of the cooling plate, and the filter screen is installed on the installation opening.

The light source assembly comprises a lamp panel, a reflecting plate, glass, a first magnetic element and a cover plate, wherein the lamp panel, the reflecting plate, the glass and the cover plate are sequentially arranged in the direction from the heat dissipation plate to the shell, an illumination opening is formed in the middle of the cover plate, an annular clamping groove is formed in one surface, which is in contact with the glass, of the cover plate, and the first magnetic element is clamped in the annular clamping groove.

Further optionally, the inner circle of the cover plate is provided with a boss for cooperating with a positioning groove of an external accessory to mount the external accessory to the illumination opening.

Further optionally, the lighting board assembly comprises a reflective film, a flexible lamp board, a light guide plate, a soft light film and a rhombic plate which are sequentially arranged along the light emitting direction.

Further optionally, the lamp bead on the flexible lamp panel is RGBWW full-color lamp beads.

Further optionally, the housing comprises a first sub-housing and a second sub-housing, the first sub-housing is annular and is pressed on the light emitting surface of the lighting board assembly, the surface of the first sub-housing is provided with a second magnetic element, and after the second sub-housing is connected with the first sub-housing, a heat dissipation opening is formed in the side surface of the second sub-housing.

Further alternatively, the side surface of the shell is rotatably connected with a bracket, and the bracket is provided with a connecting piece for connecting the switching accessory.

The heat dissipation plate is further optionally provided with a control main board, the surface of the shell is provided with a limit groove and a guide post for being detachably connected with the controller, a third magnetic element is arranged at the position, corresponding to the limit groove, of the shell and is used for being in adsorption connection with the controller, and a PIN needle connecting seat is further arranged in the limit groove and is used for being communicated with the controller or supplying power for the controller after being connected with the controller.

The technical scheme has the advantages that the radiating channel is arranged on the radiating plate, the radiating opening is arranged on the shell, radiating efficiency is improved, overheating is avoided, the service life of the lamp is prolonged, the fan assembly and the light source assembly are in modularized design, the function expansion and maintenance of the lamp are more flexible, the user can conveniently replace or upgrade accessories according to actual requirements, the radiating effect is further improved through the matching of the fan assembly and the radiating plate, the lighting effect is improved through the matching of the light source assembly and the lighting plate assembly, rich color temperature and color adjusting functions are provided by adopting RGBWW full-color lamp beads and flexible lamp panels, personalized requirements of different lighting scenes are met, the functional accessories are more convenient to install and detach through the design of the magnetic connection piece and the clamping groove, the operation process is simplified, the use experience is improved, the angle adjusting capability of the lamp is improved through the rotating design of the bracket and the connection piece, and the lighting requirements of different occasions can be flexibly adapted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a panel light assembly fan assembly according to an embodiment of the present utility model;

Fig. 2 is a schematic structural view of a panel light according to an embodiment of the present utility model when a light source assembly is assembled;

FIG. 3 is a schematic cross-sectional view of a panel light according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a light emitting surface of a panel light according to an embodiment of the present utility model;

Fig. 5 is a schematic structural diagram of a heat dissipating plate according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of an illumination panel assembly according to an embodiment of the present utility model.

The reference numerals comprise 1-shell, 101-limit groove, 102-first sub-shell, 103-second sub-shell, 2-functional accessory, 201-fan assembly, 2011-cooling fan, 2012-filter screen, 202-light source assembly, 3-bracket, 4-rotating shaft, 5-connector, 6-lighting board assembly, 601-reflecting film, 602-flexible light board, 603-light guide board, 604-soft light film, 605-rhombic board, 7-cooling board, 701-mounting groove, 702-cooling rib, 703-cooling channel, 8-control main board, 9-third magnetic element and 10-PIN needle connecting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 to 6 are schematic diagrams of a structure of a panel light assembly according to an embodiment of the present utility model, fig. 2 is a schematic diagram of a structure of a panel light assembly according to an embodiment of the present utility model, fig. 3 is a schematic diagram of a cross-section structure of a panel light according to an embodiment of the present utility model, fig. 4 is a schematic diagram of a light emitting surface of a panel light according to an embodiment of the present utility model, fig. 5 is a schematic diagram of a heat dissipation plate according to an embodiment of the present utility model, and fig. 6 is a schematic diagram of a lighting panel assembly according to an embodiment of the present utility model.

In order to solve the problem that the performance of a lamp cannot be improved by expanding accessories in the prior art, the embodiment of the utility model provides a panel lamp, which comprises a shell 1, wherein an accommodating cavity is formed in the shell 1, a light-emitting opening is formed in one surface of the shell 1, a mounting opening is formed in the other surface of the shell, a radiating opening is formed in the side surface of the shell, an illuminating plate assembly 6 is arranged in the accommodating cavity, the light-emitting surface faces to the light-emitting opening, a radiating plate 7 is arranged in the accommodating cavity and positioned on a non-light-emitting surface of the illuminating plate assembly 6, a radiating channel 703 is formed in the radiating plate 7, the radiating channel 703 corresponds to the radiating opening, a functional accessory 2 comprises a fan assembly 201 or a light source assembly 202, and the functional accessory 2 is connected to the middle part of the radiating plate 7 and corresponds to the mounting opening.

The housing 1 is an outer structure of a panel light, and is provided with a receiving cavity therein for receiving the inner components such as the illumination plate assembly 6 and the heat dissipation plate 7. The shape of the housing 1 may be selected according to the need, and preferably, the housing 1 is circular.

One surface of the shell 1 is provided with a light outlet opening, and the light outlet opening can occupy most positions of the shell surface, so that the light can be output in a large area. The other side of the housing 1 is provided with a mounting opening for enabling the functional attachment 2 to function. A peripheral heat dissipation opening is arranged on the side face of the shell 1, and corresponds to the heat dissipation plate 7, so that extra heat dissipation space is provided for the lamp, the heat dissipation effect is further improved, and the overheating phenomenon is avoided.

The illumination board assembly 6 is located the holding chamber of casing 1, and the light-emitting surface is towards the light-emitting opening for improve the illumination light source, illumination board assembly 6 and the light-emitting opening cooperation of casing 1 have guaranteed the illumination output of large tracts of land, can provide even, extensive illumination.

The heat dissipation plate 7 is installed at a non-light-emitting surface of the lighting assembly, and is provided with a heat dissipation channel 703 for guiding and rapidly discharging heat generated during the lighting process. The heat dissipation channels 703 correspond to the heat dissipation openings of the housing 1, and through these openings, efficient heat dissipation is achieved, so that the heat dissipation effect is enhanced, and the performance or the service life of the lamp is prevented from being influenced by high temperature. As an alternative embodiment, the heat dissipation plate 7 is made of an aluminum material to improve heat dissipation performance.

The functional accessory 2 can enhance the performance of the lamp, and the functional accessory 2 is arranged in the middle of the heat dissipation plate 7. Specifically, as shown in fig. 1-2, the functional accessory 2 may be a fan assembly 201, so that the design can ensure that air enters the middle part of the panel light, and accelerate the air to be discharged from the heat dissipation channels 703 around, thereby improving the heat dissipation performance. The functional accessory 2 may be a light source assembly 202, the light emitting direction of the light source assembly 202 is opposite to the light emitting direction of the lighting board assembly 6, and the light source assembly 202 may provide different lighting effects from the lighting board assembly 6, and when the light source assembly 202 is provided, the lighting board assembly 6 and the light source assembly 202 may be controlled to switch to realize the switching of the lighting modes, and of course, the two may also be used to perform lighting together.

As an alternative embodiment, the fan assembly 201 and the light source assembly 202 may be flexibly selected and installed according to the needs to meet different needs. In order to realize this, it is necessary to provide a power supply interface and a mounting structure for the heat sink 7.

As an alternative embodiment, as shown in fig. 5, a mounting groove 701 is provided in the middle of the heat dissipation plate 7, the mounting groove 701 corresponds to the mounting opening and is used for mounting the functional accessory 2, heat dissipation ribs 702 are uniformly distributed on the heat dissipation plate 7, the heat dissipation ribs 702 extend outwards from the edge of the mounting groove 701, and heat dissipation channels 703 are formed between adjacent heat dissipation ribs 702.

A mounting groove 701 is provided in the middle of the heat radiation plate 7, and the mounting groove 701 corresponds to a mounting opening of the housing 1 for mounting the functional attachment 2. This structure ensures that the functional attachment 2 (such as the fan assembly 201 or the light source assembly 202) can be easily attached to the heat dissipation plate 7, and can be fixed or removed by the mounting groove 701. The correspondence of the mounting groove 701 with the mounting opening enables the functional attachment 2 to be positioned accurately and to function. For example, fan assembly 201 may draw air through the mounting opening while light source assembly 202 protrudes from the mounting opening for illumination.

Each heat dissipation rib 702 is arc-shaped, the heat dissipation ribs 702 are uniformly distributed on the part, except the mounting groove 701, of the heat dissipation plate 7 and are in a divergent shape, and a heat dissipation channel 703 is formed between two adjacent heat dissipation ribs 702, so that wind blowing to the periphery is more uniform, the surface area of the heat dissipation plate 7 is increased, heat is better dispersed, and the overall heat dissipation efficiency is improved. The direction of extension of the heat dissipating ribs 702 helps to direct the air flow and optimize the conduction path of heat. The blown-out wind can be blown out from the heat radiation opening of the side face of the housing 1.

As an alternative embodiment, as shown in fig. 3, the fan assembly 201 includes a heat dissipation fan 2011 and a filter screen 2012, the heat dissipation fan 2011 is connected to a middle portion of the heat dissipation plate 7, and the filter screen 2012 is mounted on the mounting opening.

The radiator fan 2011 is arranged in the middle of the radiating plate 7, can suck external air and blow out the air through the radiating channel 703, promotes the flow of the air, makes the air take away the heat generated by the radiating plate 7 rapidly, improves the radiating effect, and further improves the service life of the lamp.

The filter 2012 is disposed on the mounting opening, and a clamping structure (e.g., a buckle structure) can be disposed on the mounting opening to enable the filter 2012 to be quickly assembled, disassembled and replaced. The filter screen 2012 can prevent dust, dirt and other impurities in the air from entering the lamp content part, and protect the fan and other internal elements from being polluted, thereby prolonging the service life and improving the working stability of the lamp.

As an alternative implementation mode, the light source assembly 202 comprises a lamp panel, a reflecting plate, glass, a first magnetic attraction element and a cover plate, wherein the lamp panel, the reflecting plate, the glass and the cover plate are sequentially arranged in the direction from the heat dissipation plate 7 to the shell 1, an illumination opening is formed in the middle of the cover plate, an annular clamping groove is formed in one surface, which is in contact with the glass, of the cover plate, and the first magnetic attraction element is clamped in the annular clamping groove.

The light source assembly 202 is provided with a lamp panel, a reflector, glass and a cover plate in sequence from the light emitting direction of the light source assembly.

The light panel is the core of the light source assembly 202 and typically includes LED beads or other light sources for enhanced illumination. This lamp plate is direct with heating panel 7 contact, can dispel the heat through heating panel 7 is effective, avoids the overheated condition of part. Preferably, the lamp panel is RGBWW lamp panels, RGBWW (red, green, blue, white and warm white) is composed of LED lamp beads with five colors, so that wide color variation is realized.

The reflector is used for enhancing the reflection effect of the emergent light source of the lamp panel, so that the light is more uniformly distributed to the required area. The reflector can effectively improve the light efficiency of the lamp, realize light condensation and reduce light loss.

Glass is commonly used to protect light panels and other optical components while functioning to concentrate light and transmit light. The glass can also enhance the aesthetics of the luminaire.

The cover plate is an external protective structure for the light source assembly 202, mounting the light source assembly 202 to the luminaire. An illumination opening is formed in the middle of the cover plate to allow light rays to exit. The back of the cover plate (the surface contacted with the glass) is also provided with an annular clamping groove, and a first magnetic element is arranged in the annular clamping groove. As an alternative embodiment, the first magnetically attractable element is a ring magnet.

The first magnetic element can adsorb other accessories, and the expansibility of the light source of the lamp is increased.

As an alternative embodiment, as shown in fig. 2, the inner circle of the cover plate is provided with a boss for cooperating with a positioning groove of the external accessory to mount the external accessory to the illumination opening.

The inner circle of the cover plate is provided with a plurality of convex bosses protruding towards the direction of the circle center, and the edges of the external accessories are also provided with positioning grooves corresponding to the convex bosses, so that the external accessories can be fast mounted on the cover plate and fixed through the first magnetic element, and further light effect enhancement is carried out on the light source assembly 202. For example, a magic ball is attached to the cover plate to create a unique lighting effect.

As an alternative embodiment, as shown in fig. 6, the lighting panel assembly 6 includes a reflective film 601, a flexible lamp panel 602, a light guide plate 603, a soft light film 604, and a rhomb plate 605 sequentially arranged in the light-emitting direction.

Along the light emitting direction, the illumination panel assembly 6 includes a reflective film 601, a flexible light panel 602, a light guide plate 603, a soft light film 604 and a rhombic plate 605 sequentially disposed.

The reflective film 601 is located at the outermost side of the illumination plate assembly 6, clings to the lamp panel, and can reflect and guide the light of the lamp panel to the light guide plate 603 area, namely, by enhancing the light reflection, the light loss is reduced, thereby improving the light efficiency of the light source and ensuring that more light is effectively utilized.

The flexible light panel 602 is the light source portion of the lighting panel assembly 6, typically comprising LED beads or other types of light sources. The flexible design allows the assembly to accommodate different shapes and curves to provide illumination for the panel light.

The light guide plate 603 is one of the key components in the lighting panel assembly 6, and is mainly used for uniformly distributing light from the flexible light panel 602. The light guide plate 603 can guide light, and uniformly irradiate the light to the light emitting surface by scattering or refraction.

The soft light film 604 is located at the light emitting side of the light guide plate 603, and has the function of adjusting and softening light, ensuring soft output of light, and avoiding dazzling phenomenon caused by direct light source. The soft film 604 may effectively reduce the intensity of light, making illumination more comfortable and natural.

The rhomb plate 605 is located on the light-exiting side of the soft film 604 and is typically used to further process and optimize the quality of the light, prevent glare and improve the uniformity of the light. The microstructure design of rhomb plate 605 is effective in reducing glare and improving light distribution.

The illumination plate assembly 6 adopts a side-emitting mode, and the light guide plate 603, the soft light film 604, the rhombic plate 605, the reflecting film 601 and the like are used on the light-emitting surface to ensure that the light is uniform and softer, and simultaneously the problems of stroboscopic and blue light can be effectively reduced.

As an alternative embodiment, the light beads on the flexible light panel 602 are RGBWW full-color light beads.

The lamp beads on the flexible lamp panel 602 are RGBWW full-color lamp beads, and the RGBWW (red, green, blue, white and warm white) full-color lamp beads are configured to allow the lamp to generate full-color light color, so that not only can cold and warm colors be generated, but also various color effects can be created by combining RGB light sources. This enables the panel light to adjust the color of the light according to different scenes and needs, enabling personalized adjustment, such as cool light, warm light or color effects.

As an alternative embodiment, as shown in fig. 3, the housing 1 includes a first sub-housing 102 and a second sub-housing 103, where the first sub-housing 102 is annular and is pressed against the light emitting surface of the lighting panel assembly 6, and a second magnetic element is disposed on the surface, and after the second sub-housing 103 is connected to the first sub-housing 102, a heat dissipation opening is formed on a side surface.

The first sub-housing 102 and the second sub-housing 103 can be connected through screws or buckles, so that stable connection of the first sub-housing and the second sub-housing is ensured, and the first sub-housing and the second sub-housing can be detached when required.

The first sub-housing 102 has a ring structure, and an inner circular opening thereof can accommodate a large area of light rays emitted from the lighting assembly. The surface of the first sub-housing 102 may also be provided with a second magnetic attraction element that may be fast attached to other lighting device accessories, such as a soft mask, to achieve a soft effect.

As an alternative embodiment, the second magnetic attraction elements are magnets and may be uniformly distributed on the surface of the first sub-housing 102.

The middle opening of the second sub-housing 103 is used as a mounting opening, and when the first sub-housing 102 and the second sub-housing 103 are mounted in place, a circle of gaps are left on the side surface as heat dissipation openings to ensure the heat dissipation effect of the heat dissipation plate 7.

As an alternative embodiment, as shown in fig. 1 and 2, a bracket 3 is rotatably connected to the side of the housing 1, and the bracket 3 is provided with a connecting piece 5 for connecting to an adapter accessory.

The side of the casing 1 is provided with a bracket 3, and the casing 1 can rotate relative to the bracket 3, so that the casing 1 can adjust the irradiation angle of light when the bracket 3 is fixed.

As an alternative embodiment, as shown in fig. 1 and 2, the bracket 3 is in a ring shape, and the ring-shaped bracket 3 is connected to the side surface of the housing 1 through two rotation shafts 4, so that the housing 1 can be rotated by 360 ° to adjust the light irradiation angle.

The bottom position of the bracket 3 is provided with a connecting piece 5 which can be quickly connected to various tripods and the desktop bracket 3, and can be connected with various switching accessories to meet different connection requirements.

As an alternative embodiment, as shown in fig. 1 and 2, the connector 5 is a V-card connector, and can be quickly connected with other V-card accessories.

As an alternative implementation mode, a control main board 8 is arranged on the heat radiating plate 7, a limit groove 101 and a guide post are arranged on the surface of the shell 1 and used for being detachably connected with a controller, a third magnetic element 9 is arranged at a position corresponding to the limit groove 101 of the shell 1 and used for adsorbing the controller, and a PIN needle connecting seat 10 is further arranged in the limit groove 101 and used for communicating with the controller or supplying power to the controller after being connected with the controller.

Be equipped with control mainboard 8 on the heating panel 7, control mainboard 8 passes through heat-conducting medium and heating panel 7 direct contact, can effectually dispel the heat, prevents that control mainboard 8 from appearing the overload phenomenon. The control main board 8 may be electrically connected to the lighting board assembly 6, the light source assembly 202, and the fan assembly 201 to control them. A battery may also be provided in the housing to power all of the components.

As shown in fig. 1 and 2, a limit groove 101 is formed in one surface of the shell 1 provided with an installation opening, the limit groove 101 is matched with the controller in shape and size, and a guide post is arranged at the bottom of the limit groove 101, so that the controller can be installed in the limit groove 101 in a correct direction.

As shown in fig. 3, the casing 1 is further provided with a third magnetic element 9, and the position of the third magnetic element 9 corresponds to the position of the limit groove 101, and when the controller is installed in place, the controller is adsorbed and fixed by the third magnetic element 9.

As an alternative embodiment, the third magnetic attraction element 9 is a magnet and is arranged in the accommodating cavity.

The limit groove 101 is also provided with a PIN needle connecting seat 10, one end of the PIN needle is connected with the control main board 8, and the other end of the PIN needle penetrates through the limit groove 101 to be connected with the controller, so that the remote controller can be charged or connected in a related communication manner. The remote controller can be used independently for remote control (through infrared equipment or Bluetooth equipment), and can also be arranged in the limit groove 101 for directly controlling the limit groove.

The control mode of the controller includes switching the lighting panel assembly 6 on/off, color temperature, brightness, and mode, switching the light source assembly 202 on/off, color temperature, brightness, and mode, and controlling the fan assembly 201 on/off or the fan speed.

The technical scheme has the advantages that the radiating channel is arranged on the radiating plate, the radiating opening is arranged on the shell, radiating efficiency is improved, overheating is avoided, the service life of the lamp is prolonged, the fan assembly and the light source assembly are in modularized design, the function expansion and maintenance of the lamp are more flexible, the user can conveniently replace or upgrade accessories according to actual requirements, the radiating effect is further improved through the matching of the fan assembly and the radiating plate, the lighting effect is improved through the matching of the light source assembly and the lighting plate assembly, rich color temperature and color adjusting functions are provided by adopting RGBWW full-color lamp beads and flexible lamp panels, personalized requirements of different lighting scenes are met, the functional accessories are more convenient to install and detach through the design of the magnetic connection piece and the clamping groove, the operation process is simplified, the use experience is improved, the angle adjusting capability of the lamp is improved through the rotating design of the bracket and the connection piece, and the lighting requirements of different occasions can be flexibly adapted.

The foregoing description of the embodiments of the present utility model further provides a detailed description of the objects, technical solutions and advantages of the present utility model, and it should be understood that the foregoing description is only illustrative of the embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A panel light, comprising:

The shell is internally provided with a containing cavity, one surface of the shell is provided with a light outlet opening, the other surface of the shell is provided with a mounting opening, and the side surface of the shell is provided with a heat dissipation opening;

the lighting plate assembly is arranged in the accommodating cavity, and the light emergent surface faces the light emergent opening;

The radiating plate is arranged in the accommodating cavity, is positioned on the non-light-emitting surface of the lighting plate assembly, and is provided with a radiating channel, and the radiating channel corresponds to the radiating opening;

The functional accessory comprises a fan assembly or a light source assembly, and is connected to the middle part of the heat dissipation plate and corresponds to the mounting opening.

2. A panel light as claimed in claim 1, wherein:

The middle part of the heat radiation plate is provided with a mounting groove, and the mounting groove corresponds to the mounting opening and is used for mounting the functional accessory;

And heat dissipation ribs are uniformly distributed on the heat dissipation plate, extend outwards from the edge of the mounting groove, and form the heat dissipation channel between adjacent heat dissipation ribs.

3. A panel light as claimed in claim 1, wherein:

the fan assembly comprises a cooling fan and a filter screen;

the heat radiation fan is connected to the middle part of the heat radiation plate;

The filter screen is mounted on the mounting opening.

4. A panel light as claimed in claim 1, wherein:

The light source component comprises a lamp panel, a reflector, glass, a first magnetic element and a cover plate;

a lamp panel, a reflecting plate, glass and a cover plate are sequentially arranged from the radiating plate to the shell;

The middle part of apron is equipped with the illumination opening, with glass contact one side is equipped with annular draw-in groove, the annular draw-in groove is equipped with the card first magnetism is inhaled the component.

5. A panel light as recited in claim 4, wherein:

the inner circle of the cover plate is provided with a boss for being matched with a positioning groove of the external accessory to install the external accessory on the illumination opening.

6. A panel light as claimed in claim 1, wherein:

The lighting board assembly comprises a reflecting film, a flexible lamp board, a light guide plate, a soft light film and a rhombic board which are sequentially arranged along the light emitting direction.

7. A panel light as recited in claim 6, wherein:

The lamp beads on the flexible lamp panel are RGBWW full-color lamp beads.

8. A panel light as claimed in claim 1, wherein:

The shell comprises a first sub-shell and a second sub-shell;

The first sub-shell is annular and is pressed on the light-emitting surface of the lighting board assembly, the surface of the first sub-shell is provided with a second magnetic element, and after the second sub-shell is connected with the first sub-shell, the side face of the second sub-shell forms a heat dissipation opening.

9. A panel light as claimed in claim 1, wherein:

The side surface of the shell is rotatably connected with a bracket;

the support is provided with a connecting piece for connecting the switching accessory.

10. A panel light as claimed in claim 1, wherein:

The heat dissipation plate is provided with a control main board;

The surface of the shell is provided with a limit groove and a guide post which are used for being detachably connected with the controller;

A third magnetic element is arranged at the position of the shell corresponding to the limit groove and used for being in adsorption connection with the controller;

And a PIN needle connecting seat is further arranged in the limiting groove and is used for communicating with the controller or supplying power to the controller after being connected with the controller.