CN213334066U

CN213334066U - LED ceiling lamp

Info

Publication number: CN213334066U
Application number: CN202022081337.3U
Authority: CN
Inventors: 黄仁华; 李沛东; 王炜; 宁晓冲
Original assignee: Fujian Joinluck Electronic Enterprise Co ltd
Current assignee: Fujian Joinluck Electronic Enterprise Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-01
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a LED ceiling lamp, including lamp cup, LED light source subassembly, light source protection casing, power apron, power supply circuit device, power protection casing and lamp shade, the utility model has the advantages of it is following: the utility model discloses a LED ceiling lamp is simple structure not only, reasonable in design, and the installation is simple and easy convenient, owing to have reasonable in structural design's light source protection casing and lamp shade simultaneously, has good waterproof performance moreover, can be used to indoor moist environment.

Description

LED ceiling lamp

Technical Field

The utility model relates to a LED ceiling lamp.

Background

The LED ceiling lamp is a lamp adopting an LED lamp as a light source, and has the advantages of high lighting effect, low power consumption, long service life, easy control, maintenance-free property, safety, environmental protection, power saving compared with a tubular energy-saving lamp and an incandescent lamp and the like; the LED ceiling lamp can be suitable for places such as corridors, passageways, toilets, corridors, guest rooms, passageways, toilets and the like, and can directly replace the traditional ceiling lamp, incandescent lamp and energy-saving lamp. However, the conventional ceiling lamp generally has the following disadvantages: 1. because the glass product is easy to break, the transportation is not good, and the installation is not good. 2. Easy damage, short service life and no energy saving. Therefore, the development of a novel efficient, energy-saving, long-service life, high-color rendering index and environment-friendly LED ceiling lamp instead of the traditional ceiling lamp is a market trend, and has very important significance for household illumination and energy conservation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED ceiling lamp, this LED ceiling lamp is simple structure not only, reasonable in design, and the installation is simple and easy convenient with the dismantlement, owing to have reasonable in structural design's light source protection casing and lamp shade simultaneously, has good waterproof performance moreover, can be used to indoor damp environment.

An LED ceiling lamp comprises a lamp cup, an LED light source component, a light source protective cover, a power supply cover plate, a power supply circuit device, a power supply protective cover and a lamp shade,

the LED lamp comprises a lamp cup, a light source assembly, a light source protective cover, a lamp shade and a lamp cup, wherein a lower groove with a downward notch is formed in the lower side of the lamp cup; the top of the lampshade is provided with an annular upper flange matched with the inner side groove wall of the lower groove and more than two groups of clamping pieces which are arranged at the inner side of the annular upper flange and are sequentially arranged at intervals along the surrounding direction of the annular upper flange, and each group of clamping pieces comprises an upwards extending clamping rod and a clamping head which is arranged at the top of the clamping rod and has an outer diameter larger than that of the clamping rod;

the power supply protective cover is covered and fixed at the middle part of the upper side of the lamp cup, the power supply circuit device is arranged in the cover body of the power supply protective cover, the power supply cover plate is covered on the opening at the bottom of the cover body of the power supply protective cover, the side wall of the cover body of the power supply protective cover is provided with a notch which is convenient for a power supply input lead to extend into the cover body of the power supply protective cover and be connected with the power supply circuit device, and the top walls of the power supply cover plate and the lamp cup are respectively provided with a cover plate power line perforation and a lamp cup power line perforation which are used for penetrating through a power supply connecting;

the top wall of the lamp cup is also provided with more than two clamping holes which are respectively arranged on the periphery of the power supply protective cover and correspond to the positions of each group of clamping rods of the lampshade for penetrating the clamping rods, and lamp cup mounting positioning holes which are respectively arranged on the periphery of the power supply protective cover and are used for connecting the lamp cup with a top fixture; the joint hole comprises the macropore that suits with joint head external diameter and the aperture that suits with joint pole external diameter, and the macropore and the aperture in every group joint hole all arrange along the direction that encircles of annular upper flange, and the macropore in each group joint hole lies in same one side along the direction that encircles of annular upper flange.

The LED ceiling lamp of this scheme is simple structure not only, reasonable in design, and the installation is simple and easy convenient with the dismantlement, owing to have reasonable in structural design's light source protection casing and lamp shade simultaneously, has good waterproof performance moreover, can be used to indoor damp environment. During installation, the lamp cup is conveniently installed on the ceiling, the light source protective cover and the lamp shade are conveniently installed at the bottom of the lamp cup, and the power source protective cover is also conveniently installed at the top of the lamp cup.

Furthermore, the number of the lamp cup mounting positioning holes is more than one group, each group of the lamp cup mounting positioning holes comprises at least two arc positioning holes which are distributed at intervals along the same circumferential direction by taking the center of the top wall of the lamp cup as the center, and the arc positioning holes are provided with pre-through holes with the aperture larger than that of other parts at the same side position in the circumferential direction; when the number of the lamp cup mounting positioning holes is more than two groups, the lamp cup mounting positioning holes of each group are distributed on different circumferential positions taking the center of the top wall of the lamp cup as the center.

The lamp cup is conveniently installed on the suspended ceiling by the scheme, so that the lamp cup is firm to install and is not dislocated.

Furthermore, the LED light source assembly comprises a light source substrate and more than 2 LED lamps with different color temperatures, the LED lamps are arranged on the light source substrate, the power circuit device comprises a power substrate and more than 2 groups of control circuits, the control circuits are arranged on the power substrate and are respectively electrically connected with the LED lamps with different color temperatures, and the power circuit device also comprises a switch deflector rod for switching on or off the circuits of the different control circuits; the LED ceiling lamp also comprises a switch deflector rod sleeve which penetrates through the switch control hole from the upper part of the switch control hole downwards and is connected with the switch deflector rod and used for driving the switch deflector rod to move.

This scheme LED light source subassembly includes the LED lamp of 2 above different colour temperatures, can realize the control that several kinds of colour temperatures of LED change through circuit control, switch driving lever and driving lever cover, not only satisfies the user to the transform demand of different colour temperatures, moreover because the lamp to every kind of colour temperature need not all carry out the stock, has saved the inventory space of dealer greatly, and the inventory space for the dealer is used and is brought very big convenience.

Furthermore, the switch deflector rod sleeve comprises a pair of elastic clamping parts which are arranged in the switch control hole in a penetrating manner and fixedly clamped at the top end of the switch deflector rod and are arranged on the outer sides of two opposite side walls which are vertical to the moving direction of the switch deflector rod, and a push block which is connected between the top ends of the two elastic clamping parts and is positioned above the switch control hole, wherein two side sides of the push block are provided with upper limiting flanges which are buckled on the outer edges of two sides of an upper opening of the switch control hole, and two side sides of the lower end of the elastic clamping parts are provided with lower limiting flanges which are buckled on the outer edges of two sides; when the switch deflector rod is not inserted between the two elastic clamping parts, the two elastic clamping parts move towards the center and can move up and down along the switch control hole after moving close.

Furthermore, more than 2 substrate outer flanges are arranged on the outer peripheral wall of the light source substrate of the LED light source assembly at intervals along the direction surrounding the outer peripheral edge of the light source substrate, and third through holes extending from top to bottom are formed in each substrate outer flange; the LED ceiling lamp comprises a lamp cup, a light source protective cover, a substrate, a light source substrate, a lamp cup and a lamp base plate, wherein the light source protective cover comprises a cover body with a downward arch center and more than 2 protective covers, the outer periphery of the cover body of the light source protective cover is sequentially arranged at intervals, the protective cover outer flange corresponds to the substrate outer flange of the light source substrate, fourth through holes matched with the positions of the third through holes are formed in the protective cover outer flange, and the LED ceiling lamp further comprises screw components which penetrate through the corresponding fourth through holes of the light source protective cover and the first through holes of the.

Further, the power substrate on be equipped with two electric wire joint posts that are located the power protection casing and upwards extend, the outer peripheral edges of power apron is equipped with one and upwards extends and inlays the locating plate in locating the breach of the cover body lateral wall of power protection casing, be equipped with the location perforation that is used for wearing to establish power input wire on the locating plate, power input wire passes the location perforation and gets into the internal back of cover of power protection casing, is connected with the power substrate again after passing between two electric wire joint posts.

Furthermore, the outer peripheral edge of power apron on set up the spacing arch of more than one outside convex apron along the periphery direction interval in proper order, the cover body inside wall of power protection casing with each apron spacing protruding corresponding position be provided with more than one with the spacing protruding matched with spacing recess of second.

Further, the lamp cup is made of metal.

Furthermore, the light source protective cover and the lampshade are made of transparent plastics.

Compare prior art, the utility model has the advantages of it is following:

(1) the utility model discloses a LED ceiling lamp is simple structure not only, reasonable in design, and the installation is simple and easy convenient, owing to have reasonable in structural design's light source protection casing and lamp shade simultaneously, has good waterproof performance moreover, can be used to indoor moist environment.

(2) LED ceiling lamp, its LED light source subassembly include the LED lamp of 2 above different colour temperatures, can realize the control that several kinds of colour temperatures of LED change through circuit control, switch driving lever and driving lever cover, not only satisfy the user to the transform demand of different colour temperatures, because no longer need all stock to the lamp of every kind of colour temperature moreover, saved the stock space of dealer greatly, the stock space of giving the dealer uses and brings very big convenience.

(3) The LED ceiling lamp of the utility model has the advantages that as the lamp cup shell is made of heat dissipation metal, different colors can be sprayed on the surface, and the treatment such as oxidation resistance, electroplating and wire drawing can be carried out, thus having the characteristics of good heat dissipation, beautiful appearance, strong corrosion resistance and the like; the lamp cup can be formed by integral die-casting or integral stamping, and the metal heat-radiating lamp cup can be made of aluminum alloy or iron alloy according to heat radiation requirements, so that the cost is reduced.

(4) LED ceiling lamp simple to operate, because circular-arc lamp cup installation locating hole is seted up to the lamp cup, during the installation, as long as with the lamp cup installation locating hole of LED ceiling lamp wear to align in advance to install the bolt assembly on the top fixture in advance and insert, rotatory LED ceiling lamp targets in place the back, locking bolt assembly can fix the LED ceiling lamp in top fixture below, later screw the lamp shade can. On the contrary, the lampshade is reversely unscrewed, after the lampshade is taken down, the bolt assembly connected between the top fixture and the lamp cup mounting positioning hole is loosened, the LED ceiling lamp can be detached by reversely rotating the lamp cup, and the LED ceiling lamp is very convenient to mount.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a cross-sectional view of FIG. 3

Fig. 5 is a top view of the present invention;

FIG. 6 is a schematic diagram of the power supply shield;

fig. 7 is a schematic view of the combination structure of the power protection cover and the power cover plate on the top of the lamp cup.

Fig. 8 is a top view of the power supply shield.

Fig. 9 is a sectional view B-B of fig. 8.

Fig. 10 is a top view of a power supply shield.

Fig. 11 is a cross-sectional view C-C of fig. 10.

Fig. 12 is a perspective view of a lamp cup.

Fig. 13 is a perspective view of the lamp cup.

Fig. 14 is a bottom view of the lamp cup.

Fig. 15 is a sectional view a-a of fig. 14.

Detailed Description

The invention is described in detail below with reference to the drawings and specific examples:

example 1

As shown in fig. 1-5, an LED ceiling lamp comprises a lamp cup 1, an LED light source assembly 2, a light source protective cover 3, a power cover plate 4, a power circuit device 5, a power protective cover 6, and a lamp shade 7,

the LED lamp comprises a lamp cup 1, a light source assembly 2, a light source protective cover 3, a lamp shade 7 and a lamp cup, wherein a lower groove 1-1 with a downward notch is formed in the lower side of the lamp cup 1, the LED light source assembly 2 is installed in the lower groove 1-1 of the lamp cup 1, the light source protective cover 3 is installed in the lower groove 1-1 of the lamp cup 1 and covers the outer periphery of the lower side of the LED light source assembly 2, and the lamp shade 7 is installed on the notch of the lower groove 1-1 of the lamp cup 1 and is used for sealing the lower groove 1-; the top of the lampshade 7 is provided with an annular upper flange 7-1 matched with the inner side groove wall of the lower groove 1-1 and more than two groups of clamping pieces which are arranged at the inner side of the annular upper flange 7-1 and are sequentially arranged at intervals along the surrounding direction of the annular upper flange 7-1, and each group of clamping pieces comprises an upwards extending clamping rod 7-2 and a clamping head 7-2-1 which is arranged at the top of the clamping rod 7-2 and has an outer diameter larger than that of the clamping rod 7-2;

the power supply protective cover 6 is covered and fixed at the middle part of the upper side of the lamp cup 1, the power supply circuit device 5 is arranged in the cover body of the power supply protective cover 6, the power supply cover plate 4 is covered and arranged at the bottom opening of the cover body of the power supply protective cover 6, the side wall of the cover body of the power supply protective cover 6 is provided with a notch 6-1 which is convenient for a power supply input lead to extend into the cover body of the power supply protective cover 6 and is connected with the power supply circuit device 5, and the top walls of the power supply cover plate 4 and the lamp cup 1 are respectively provided with a cover plate power line perforation 4-1-1 and a lamp cup power line perforation 1-2 which are used for penetrating a power supply connecting wire;

the top wall of the lamp cup 1 is also provided with more than two clamping holes 1-3 which are respectively arranged on the periphery of the power supply protective cover 6 and correspond to the positions of each group of clamping rods 7-2 of the lampshade 7 and are used for penetrating the clamping rods 7-2, and lamp cup mounting positioning holes 1-4 which are respectively arranged on the periphery of the power supply protective cover 6 and are used for connecting the lamp cup 1 with a top fixture; the clamping holes 1-3 are composed of large holes adaptive to the outer diameter of the clamping joints 7-2-1 and small holes adaptive to the outer diameter of the clamping rods 7-2, the large holes and the small holes of each group of clamping holes 1-3 are arranged along the surrounding direction of the annular upper flange 7-1, and the large holes of each group of clamping holes 1-3 are located on the same side along the surrounding direction of the annular upper flange 7-1.

The LED ceiling lamp of this scheme is simple structure not only, reasonable in design, and the installation is simple and easy convenient with the dismantlement, owing to have reasonable in structural design's light source protection casing and lamp shade simultaneously, has good waterproof performance moreover, can be used to indoor damp environment. During installation, the lamp cup is conveniently installed on the ceiling, the light source protective cover and the lamp shade 7 are conveniently installed at the bottom of the lamp cup, and the power source protective cover 6 is also conveniently installed at the top of the lamp cup.

The number of the lamp cup mounting positioning holes 1-4 in this embodiment is 2 (or 1 or more), each set of the lamp cup mounting positioning holes 1-4 includes at least two arc positioning holes (in this embodiment, 1) that are distributed at intervals along the same circumferential direction with the top wall center of the lamp cup 1 as the center, and each arc positioning hole is provided with a pre-through hole with a hole diameter larger than that of other parts at the same side position in the circumferential direction; when the number of the lamp cup mounting positioning holes 1-4 is more than two groups, the lamp cup mounting positioning holes 1-4 of each group are distributed on different circumferential positions taking the top wall center of the lamp cup 1 as the center.

The LED light source assembly 2 described in this embodiment includes a light source substrate 2-1 and more than 2 LED lamps with different color temperatures mounted on the light source substrate 2-1, the power circuit device 5 includes a power substrate 5-1 and more than 2 groups of control circuits disposed on the power substrate 5-1 and electrically connected to the LED lamps with different color temperatures, respectively, the power circuit device 5 further includes a switch lever 5-2 for switching on or off the circuits of the different control circuits; the LED ceiling lamp also comprises a switch deflector rod sleeve 5-3 which passes through the switch control hole 6-3 from the upper part of the switch control hole 6-3 downwards and is connected with the switch deflector rod 5-2 and is used for driving the switch deflector rod 5-2 to move, wherein the switch control hole 6-3 penetrates through the top wall of the cover body from top to bottom, and the switch deflector rod 5-2 extends into the switch control hole 6-3 from bottom to top.

The switch lever sleeve 5-3 of the embodiment comprises a pair of elastic clamping parts 5-3-2 which are arranged in the switch control hole 6-3 in a penetrating way and fixedly clamped at the top end of the switch lever 5-2 and outside two opposite side walls which are vertical to the moving direction of the switch lever 5-2, and a push block 5-3-1 which is connected between the top ends of the two elastic clamping parts 5-3-2 and is positioned above the switch control hole 6-3, wherein two side sides of the push block 5-3-1 are provided with upper limiting flanges which are buckled at the outer edges at two sides of an upper opening of the switch control hole 6-3, and two side sides at the lower end of the elastic clamping part 5-3-2 are provided with lower limiting flanges which are buckled at the outer edges at two sides of a lower opening of the switch control hole 6-; when the switch deflector rod 5-2 is not inserted between the two elastic clamping parts 5-3-2, the two elastic clamping parts 5-3-2 can move up and down along the switch control hole 6-3 after moving towards the center and closing.

In the embodiment, more than 2 substrate outer flanges are arranged on the peripheral wall of the light source substrate 2-1 of the LED light source assembly 2 at intervals along the direction surrounding the peripheral edge of the light source substrate 2-1, and each substrate outer flange is provided with a third through hole 2-2 extending from top to bottom; the light source protective cover 3 comprises a cover body 3-1 with a downward arched center, more than 2 protective cover outer flanges which are sequentially arranged on the outer periphery of the cover body 3-1 of the light source protective cover 3 at intervals and correspond to the substrate outer flange of the light source substrate 2-1, fourth through holes 3-2 matched with the positions of the third through holes 2-2 are arranged on the protective cover outer flanges, and the LED ceiling lamp further comprises screw assemblies which penetrate through the corresponding fourth through holes 3-2 of the light source protective cover 3 and the corresponding third through holes 2-2 of the light source substrate 2-1 and are fixedly locked on the lamp cup 1.

In this embodiment, the power substrate 5-1 is provided with two wire clamping posts 5-1-1 located in the power protection cover 6 and extending upward, the outer periphery of the power cover plate 4 is provided with a positioning plate 4-1-2 extending upward and embedded in a notch 6-1 of the side wall of the power protection cover 6, the positioning plate 4-1-2 is provided with a positioning through hole 4-1-2-1 for passing a power input lead, and the power input lead passes through the positioning through hole 4-1-2-1 and enters the cover body of the power protection cover 6, and then passes between the two wire clamping posts 5-1-1 and is connected with the power substrate 5-1.

In this embodiment, more than one cover plate limiting protrusions 4-1-3 protruding outwards are sequentially arranged on the outer peripheral edge of the power cover plate 4 at intervals along the peripheral direction, and more than one limiting groove 6-2 matched with the cover plate limiting protrusions 4-1-3 is arranged on the inner side wall of the cover body of the power protection cover 6 at the position corresponding to each cover plate limiting protrusion 4-1-3.

The lamp cup 1 according to the present embodiment is made of metal.

The light source protective cover 3 and the lampshade 7 are made of transparent plastics.

Claims

1. The utility model provides a LED ceiling lamp, its characterized in that: comprises a lamp cup (1), an LED light source component (2), a light source protective cover (3), a power supply cover plate (4), a power supply circuit device (5), a power supply protective cover (6) and a lamp shade (7),

a lower groove (1-1) with a downward notch is formed in the lower side of the lamp cup (1), the LED light source assembly (2) is installed in the lower groove (1-1) of the lamp cup (1), the light source protective cover (3) is installed in the lower groove (1-1) of the lamp cup (1) and covers the outer periphery of the lower side of the LED light source assembly (2), and the lamp shade (7) is installed on the notch of the lower groove (1-1) of the lamp cup (1) and used for sealing the lower groove (1-1); the top of the lampshade (7) is provided with an annular upper flange (7-1) matched with the inner side groove wall of the lower groove (1-1) and more than two groups of clamping pieces which are arranged at the inner side of the annular upper flange (7-1) and are sequentially arranged at intervals along the surrounding direction of the annular upper flange (7-1), and each group of clamping pieces comprises an upwards extending clamping rod (7-2) and a clamping head (7-2-1) which is arranged at the top of the clamping rod (7-2) and has an outer diameter larger than that of the clamping rod (7-2);

the power supply protective cover (6) is covered and fixed in the middle of the upper side of the lamp cup (1), the power supply circuit device (5) is installed in the cover body of the power supply protective cover (6), the power supply cover plate (4) is arranged at the opening of the bottom of the cover body of the power supply protective cover (6) in a covering mode, the side wall of the cover body of the power supply protective cover (6) is provided with a notch (6-1) which is convenient for a power supply input lead to extend into the cover body of the power supply protective cover (6) and connected with the power supply circuit device (5), and the top walls of the power supply cover plate (4) and the lamp cup (1) are respectively provided with a cover plate power line through hole (4-1-1) and a lamp cup power line through hole (1-2) which are used for penetrating a power supply connecting wire to;

the top wall of the lamp cup (1) is also provided with more than two clamping holes (1-3) which are respectively arranged on the outer periphery of the power supply protective cover (6) and are used for penetrating clamping rods (7-2) corresponding to the positions of all groups of clamping rods (7-2) of the lamp shade (7) and lamp cup mounting positioning holes (1-4) which are respectively arranged on the outer periphery of the power supply protective cover (6) and are used for connecting the lamp cup (1) with a top fixture; the clamping holes (1-3) are composed of large holes adaptive to the outer diameter of the clamping joints (7-2-1) and small holes adaptive to the outer diameter of the clamping rods (7-2), the large holes and the small holes of each group of clamping holes (1-3) are arranged along the surrounding direction of the annular upper flange (7-1), and the large holes of each group of clamping holes (1-3) are located on the same side along the surrounding direction of the annular upper flange (7-1).

2. The LED ceiling lamp of claim 1, wherein: the number of the lamp cup mounting positioning holes (1-4) is more than one group, each group of the lamp cup mounting positioning holes (1-4) comprises at least two arc positioning holes which are distributed at intervals along the same circumferential direction by taking the center of the top wall of the lamp cup (1) as the center, and each arc positioning hole is provided with a pre-through hole with the largest aperture at the same side position in the circumferential direction; when the number of the lamp cup mounting positioning holes (1-4) is more than two groups, the lamp cup mounting positioning holes (1-4) of each group are distributed on different circumferential positions taking the top wall center of the lamp cup (1) as the center.

3. The LED ceiling lamp of claim 1, wherein: the LED light source assembly (2) comprises a light source substrate (2-1) and more than 2 LED lamps with different color temperatures, wherein the LED lamps are arranged on the light source substrate (2-1), the power circuit device (5) comprises a power substrate (5-1) and more than 2 groups of control circuits, the control circuits are arranged on the power substrate (5-1) and are respectively electrically connected with the LED lamps with different color temperatures, and the power circuit device (5) further comprises a switch deflector rod (5-2) which is used for switching on or off the circuits of the different control circuits; the LED ceiling lamp comprises a power supply protective cover (6), a switch control hole (6-3) which penetrates through the top wall of the cover body from top to bottom is formed in the top wall of the cover body of the power supply protective cover (6), a switch deflector rod (5-2) extends into the switch control hole (6-3) from bottom to top, and the LED ceiling lamp further comprises a switch deflector rod sleeve (5-3) which penetrates through the switch control hole (6-3) from the top of the switch control hole (6-3) downwards and is connected with the switch deflector rod (5-2) and used for driving the switch deflector rod (5-2) to move.

4. The LED ceiling lamp according to claim 3, wherein: the switch deflector rod sleeve (5-3) comprises a pair of elastic clamping parts (5-3-2) which are arranged in the switch control hole (6-3) in a penetrating way and are fixedly clamped at the top end of the switch deflector rod (5-2) and are arranged at the outer sides of two opposite side walls which are vertical to the moving direction of the switch deflector rod (5-2), and a push block (5-3-1) which is connected between the top ends of the two elastic clamping parts (5-3-2) and is positioned above the switch control hole (6-3), two sides of the push block (5-3-1) are provided with upper limiting flanges buckled on the outer edges of two sides of the upper opening of the switch control hole (6-3), and two sides of the lower end of the elastic clamping part (5-3-2) are provided with lower limiting flanges buckled on the outer edges of two sides of the lower opening of the switch control hole (6-3); when the switch deflector rod (5-2) is not inserted between the two elastic clamping parts (5-3-2), the two elastic clamping parts (5-3-2) can move up and down along the switch control hole (6-3) after moving towards the center and closing.

5. The LED ceiling lamp according to claim 3, wherein: the outer peripheral wall of a light source substrate (2-1) of the LED light source component (2) is provided with more than 2 substrate outer flanges at intervals along the direction surrounding the outer periphery of the light source substrate (2-1), and each substrate outer flange is provided with a third through hole (2-2) extending from top to bottom; the LED ceiling lamp is characterized in that the light source protective cover (3) comprises a cover body (3-1) with a downward arched center, more than 2 protective cover outer flanges which are sequentially arranged at intervals on the outer periphery of the cover body (3-1) of the light source protective cover (3) and correspond to the substrate outer flange of the light source substrate (2-1), fourth through holes (3-2) matched with the positions of the third through holes (2-2) are formed in the protective cover outer flanges, and the LED ceiling lamp further comprises screw assemblies which penetrate through the fourth through holes (3-2) of the corresponding light source protective cover (3) and the third through holes (2-2) of the light source substrate (2-1) and are fixedly locked on the lamp cup (1).

6. The LED ceiling lamp according to claim 3, wherein: the power supply protection cover is characterized in that two wire clamping columns (5-1-1) which are located in the power supply protection cover (6) and extend upwards are arranged on the power supply substrate (5-1), a positioning plate (4-1-2) which extends upwards and is embedded in a notch (6-1) of the side wall of the cover body of the power supply protection cover (6) is arranged on the outer periphery of the power supply cover plate (4), a positioning through hole (4-1-2-1) for penetrating a power supply input lead is formed in the positioning plate (4-1-2-1), and after the power supply input lead penetrates through the positioning through hole (4-1-2-1) and enters the cover body of the power supply protection cover (6), the power supply input lead penetrates between the two wire clamping columns (5-1-1) and then is connected with the power supply substrate (5-.

7. The LED ceiling lamp according to claim 1, characterized in that: the power source cover plate is characterized in that more than one cover plate limiting bulges (4-1-3) protruding outwards are sequentially arranged on the outer peripheral edge of the power source cover plate (4) at intervals along the peripheral direction, and more than one limiting groove (6-2) matched with each cover plate limiting bulge (4-1-3) is formed in the inner side wall of the cover body of the power source protective cover (6) at the position corresponding to each cover plate limiting bulge (4-1-3).

8. The LED ceiling lamp according to any one of claims 1-7, wherein: the lamp cup (1) is made of metal.

9. The LED ceiling lamp according to any one of claims 1-7, wherein: the light source protective cover (3) and the lampshade (7) are made of transparent plastics.