Ceiling lamp capable of emitting light uniformly

Abstract

The utility model discloses a ceiling lamp capable of emitting light evenly, which comprises a base plate used for being fixed on a building, and a sinking groove is arranged on the inner wall of the base plate. The luminous source comprises a power supply module and LED lamp beads electrically connected with the power supply module, the LED lamp beads are arranged on the surface of the inner wall of the base plate, and the power supply module is installed in the sinking groove in an embedded mode; the lampshade is arranged on the base plate in a covering mode. According to the structural design of the ceiling lamp, light can be prevented from being blocked, the ceiling lamp emits light evenly, meanwhile, the overall height of the lamp is reduced, and the ceiling lamp is convenient to install due to the split structural design.

Description

TECHNICAL FIELD

[0001] The utility model relates to lighting lamps and lanterns technical field especially relates to a uniform emitting ceiling lamp. BACKGROUND

[0002] With the continuous development of lighting technology, LED ceiling lamp is increasingly popular in the application of home and commercial places. Large size ceiling lamp is favored because of large illumination area and good decoration effect. However, in the traditional design, in order to meet the higher lighting demand, it is often necessary to configure a power module with larger power, and the volume of the power module will inevitably increase. In the existing large size ceiling lamp, the power module is often directly installed on the bottom disc of the lamp, which will cause the following problems:

[0003] 1. Power shading effect: the protruding installation on the lamp bottom disc makes the power module form a shield to the LED light source, causing dark areas or shadows on the lampshade, and making the overall lighting of the ceiling lamp uneven, affecting the lighting uniformity and aesthetics.

[0004] 2. Higher lamp: since the power module often needs to withstand a large current, a larger space needs to be left during installation, which makes the lampshade thicker and increases the overall height of the entire lamp, occupies space and appears clumsy in appearance.

[0005] 3. Unconvenient installation method: when installing the large size ceiling lamp, the lamp needs to be lifted as a whole, which is complicated and increases the construction difficulty.

[0006] Therefore, the prior art needs to be improved. INVENTION CONTENTS

[0007] In view of the above shortcomings of the prior art, the purpose of the utility model is to provide a uniform emitting ceiling lamp, which aims to avoid shielding light and make the ceiling lamp emit light uniformly, while reducing the overall height of the lamp.

[0008] To achieve the above purpose, the utility model provides a uniform emitting ceiling lamp, which comprises:

[0009] A bottom disc is used to be fixed on a building, and a sunken groove is arranged on the inner wall of the bottom disc.

[0010] A light source comprises a power module and LED lamp beads electrically connected with the power module, the LED lamp beads are arranged on the inner wall surface of the bottom disc, and the power module is embedded and installed in the sunken groove.

[0011] A lampshade is covered on the bottom disc.

[0012] In some embodiments, a lampshade fixing ring is further included, which is connected with the base plate and clamps the lampshade between the base plate and the lampshade fixing ring.

[0013] In some embodiments, the base plate comprises a base and a white plate connected with the base, the white plate is provided with the LED lamp beads on the side away from the base and the sunken groove.

[0014] In some embodiments, the light emitting source further comprises a plurality of lamp plates installed on the white plate, and the lamp plates are provided with a plurality of LED lamp beads.

[0015] In some embodiments, each of the LED lamp beads is covered with an optical lens.

[0016] In some embodiments, the LED lamp beads on the lamp plate near the sunken groove are arranged away from the sunken groove.

[0017] In some embodiments, the base edge comprises a first step surface, a second step surface and a third step surface arranged in sequence from outside to inside;

[0018] The white plate is fixed on the third step surface, the lampshade is abutted on the second step surface at the end away from the lampshade fixing ring, and the first step surface is provided with a stud;

[0019] The lampshade fixing ring is provided with a mounting hole, the end of the stud away from the base plate penetrates through the mounting hole and is connected with a nut to fasten the base plate, the lampshade and the lampshade fixing ring together.

[0020] In some embodiments, the lampshade fixing ring is provided with a first mounting portion on the side towards the base plate, the lampshade is provided with a second mounting portion on the side away from the base plate, and the first mounting portion is detachably connected with the second mounting portion.

[0021] In some embodiments, the height of the lampshade is 49-51mm.

[0022] In some embodiments, the total height of the ceiling lamp is 56-62mm.

[0023] It should be understood that, within the scope of the present application, the above-mentioned technical features of the present application and the technical features described in detail in the following (such as embodiments) can be combined with each other to form new or preferred technical solutions. Due to the limited space, they will not be listed one by one.

[0024] The beneficial effects of the present application are as follows:

[0025] The utility model discloses a ceiling lamp, apply on big size LED ceiling lamp, because the setting of the sunken groove on the bottom disc, make power module can be inlaid installation in the sunken groove in the bottom disc, power module basically will not cause the light of LED lamp pearl in the bottom disc to block, make the ceiling lamp light even, and because the sunken inlaid setting of power module, lampshade can be made thinner, make the height of whole ceiling lamp smaller, relative with the similar big size ceiling lamp on market general height is about 90mm, the total height of the utility model discloses even luminous ceiling lamp 100 can reduce to about 56~62mm, like this can save the installation space. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing make a simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art come, under the premise of not paying the creative labor, can also obtain other drawings according to the structure shown by these drawings.

[0027] Figure 1 It is the structural schematic diagram of the utility model light even ceiling lamp embodiment one.

[0028] Figure 2 It is Figure 1 The exploded schematic view.

[0029] Figure 3 It is Figure 2 The enlarged schematic view of A in the figure.

[0030] Figure 4 It is the exploded schematic view of the utility model bottom disc.

[0031] Figure 5 It is the structural schematic diagram of the bottom seat on the bottom disc of the utility model.

[0032] Figure 6 It is the distribution schematic diagram of the LED lamp pearl avoiding power module on the bottom disc of the utility model.

[0033] BRIEF DESCRIPTION OF DRAWINGS

[0034] 100 - ceiling lamp, 10 - base plate, 101 - inner wall surface, 11 - base, 111 - first step surface, 112 - second step surface, 113 - third step surface, 12 - white plate, 121 - fixing hole, 122 - connecting hole, 123 - heat dissipation hole, 124 -, 20 - sunken groove, 30 - light source, 31 - power module, 311 - power box, 312 - dial switch box, 32 - LED lamp bead, 33 - lamp plate, 40 - lampshade, 41 - second mounting portion, 411 - first annular wall, 50 - lampshade fixing ring, 51 - mounting hole, 52 - first mounting portion, 521 - second annular wall, 60 - optical lens, 70 - stud, 80 - nut. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0037] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0038] For specific embodiments, please refer to Figures 1 to 4 The present application provides a ceiling lamp 100 with uniform light emission, comprising:

[0039] The base plate 10 is used to be fixed on a building, and in the present embodiment, the base plate 10 is mainly fixed on a ceiling. A sunken groove 20 is arranged on the inner wall of the base plate 10. As shown in the drawings, the back of the base plate 10 is fixed with the ceiling, and the front of the base plate 10, i.e. the inner wall surface 101 of the base plate 10, is provided with a sunken groove 20, which is a groove recessed from the front to the back of the base plate 10. Figure 2

[0040] The light source 30 comprises a power module 31 and an LED lamp bead 32 electrically connected with the power module 31, as shown in the drawings. Figure 2 ​As shown in the figure, the LED lamp beads 32 are arranged on the inner wall surface 101 of the bottom plate 10, and the power module 31 is embeddedly installed in the sunken groove 20.

[0041] In the embodiment, the sunken groove 20 of the inner wall surface 101 of the bottom plate 10 is arranged so that the power module 31 can be embedded in the groove, instead of being installed on the inner wall surface 101 of the bottom plate 10 in a protruding manner as in the prior art. Thus, the embedded power module 31 on the inner wall surface 101 of the bottom plate 10 does not block the light emitted by the LED lamp beads 32, so that the ceiling lamp 100 of the embodiment can emit light uniformly.

[0042] In the embodiment, the power module 31 comprises a power box 311 and a DIP switch box 312, both of which are arranged in the sunken groove 20. The power box 311 is arranged with a power circuit, and is arranged with a wire connected to an external power source. The power box 311 is electrically connected to the LED lamp beads 32 and the DIP switch box 312. The power box 311 is used to perform voltage transformation, filtering and other processing on the external power source, and to drive the LED lamp beads 32. The DIP switch box 312 is used to control the light emitting mode of the ceiling lamp 100, such as color, brightness, etc.

[0043] The ceiling lamp 100 of the embodiment further comprises a lampshade 40, which is arranged on the bottom plate 10. The lampshade 40 is made of a light-transmitting material, and is used to transmit the light emitted by the LED lamp beads 32, and to protect the light source 30 in the bottom plate 10.

[0044] Since the power module 31 of the ceiling lamp 100 of the embodiment is installed in a sunken manner in the bottom plate 10, the lampshade 40 can be made thin.

[0045] Preferably, the height of the lampshade 40 of the ceiling lamp 100 of the embodiment is 49-51 mm. As one way, the height of the lampshade 40 is 49 mm, and as another way, the height of the lampshade 40 is 51 mm. Preferably, the height of the lampshade 40 of the embodiment is 50 mm. After reducing the height of the lampshade 40, the entire ceiling lamp 100 can be made thinner. Figure 1 As shown in the figure, the total height d of the ceiling lamp 100 is the distance from the top of the bottom plate 10 to the bottom of the lampshade 40.

[0046] As a manner, the total height d of the ceiling lamp 100 is 56mm, as another manner, the total height d of the ceiling lamp 100 is 62mm. Preferably, the total height d of the ceiling lamp 100 of the embodiment is 60mm. Compared with the height of 90mm of the same large size ceiling lamp in the prior art, the height of the ceiling lamp 100 of the embodiment is 60mm, the space of thinning is very large, so that the height space occupation of installation can be greatly reduced, and the thinned ceiling lamp 100 is more beautiful.

[0047] The ceiling lamp 100 with uniform light emission of the utility model can be applied to large ceiling lamps, such as 24, 32 inches, etc., and can also be applied to small ceiling lamps in other embodiments.

[0048] Preferably, the ceiling lamp 100 of the embodiment further comprises a lampshade fixing ring 50, the lampshade fixing ring 50 is connected with the bottom disc 10 and clamps the lampshade 40 between the bottom disc 10 and the lampshade fixing ring 50.

[0049] As shown in Figure 1 , the lampshade fixing ring 50 is located at the lower end of the lampshade 40, so that the lampshade 40 can be lifted, and the lampshade 40 and the bottom disc 10 can be designed as a split structure. The split structure means that although the lampshade 40 is covered on the bottom disc 10, the lampshade 40 and the bottom disc 10 are not connected by buckles, screws or other connecting structures, but are tightly pressed and clamped on the bottom disc 10 by the lampshade fixing ring 50. Although the lampshade fixing ring 50 is located at the lower end of the lampshade 40, the lampshade fixing ring 50 is directly connected with the bottom disc 10 to clamp and fix the lampshade 40. The split structure of the lampshade 40 and the bottom disc 10 makes the entire ceiling lamp 100 easy to operate during installation.

[0050] The large size ceiling lamp in the prior art needs to lift the entire lamp with the bottom disc and the lampshade combined together during installation, the lifting weight is large, the process is complicated, and the construction difficulty is increased. The split structure of the bottom disc 10 and the lampshade 40 of the ceiling lamp 100 of the embodiment simplifies the installation operation, the ceiling lamp 100 of the embodiment can install the bottom disc 10 first, then install the lampshade 40 into the lampshade fixing ring 50, lift the lampshade 40 by the lampshade fixing ring 50, and connect the connecting structure between the lampshade fixing ring 50 and the bottom disc 10 to fix the lampshade 40 on the bottom disc 10. During installation, the weight of the bottom disc 10 does not need to be lifted, which reduces the installation construction difficulty. At the same time, the split structure of the embodiment is very convenient to disassemble during future maintenance, because there is no connecting structure between the bottom disc 10 and the lampshade 40, which is convenient for future maintenance or replacement of the power module and the lamp beads.

[0051] Specifically, as shown in Figure 2 and Figure 3As shown, the lampshade fixing ring 50 is provided with a first mounting portion 52 on the side facing the base 10, and the lampshade 40 is provided with a second mounting portion 41 on the side away from the base 10, and the first mounting portion 52 is detachably connected with the second mounting portion 41. The detachable connection between the first mounting portion 52 and the second mounting portion 41 can be direct abutment, or can be a detachable connection mode such as plug-in connection, sleeve connection and the like. The first mounting portion 52 and the second mounting portion 41 are arranged to facilitate the quick assembly of the lampshade fixing ring 50 and the lampshade 40, and can be quickly disassembled.

[0052] As an embodiment, the first mounting portion 52 and the second mounting portion 41 can be directly arranged as planes to abut the lampshade fixing ring 50 and the lampshade 40 together, so that the lampshade fixing ring 50 can hold the lampshade 40.

[0053] As another embodiment, as shown, Figure 3 the second mounting portion 41 on the lampshade 40 is an L-shaped step, and the inner side of the L-shaped step is a first annular wall 411 protruding upward, and the first mounting portion 52 on the lampshade fixing ring 50 is also an L-shaped step, and the outer side of the L-shaped step is a second annular wall 521 protruding downward, and when the second mounting portion 41 cooperates with the first mounting portion 52, the second annular wall 521 is sleeved on the outer wall surface of the first annular wall 411, so as to facilitate the quick mounting and positioning between the lampshade 40 and the lampshade fixing ring 50, and prevent the lampshade 40 from sliding and shaking on the lampshade fixing ring 50.

[0054] Please continue to refer to Figure 2 , Figure 4 and Figure 5 In the embodiment, the base 10 of the ceiling lamp 100 includes a base 11 and a white plate 12 connected with the base 11, the white plate 12 is provided with the LED lamp beads 32 and the sunken groove 20 on the side away from the base 11. The base 11 is mainly used for being fixed on the ceiling, and the white plate 12 is used for installing the LED lamp beads 32 and the power module 31, and reflecting the light emitted by the LED lamp beads 32 to the back.

[0055] After the white plate 12 is connected with the base 11, a gap is formed between the two as a sunken space of the sunken groove 20 provided on the white plate 12 and recessed towards the base 11.

[0056] As shown, Figure 5As shown, the white panel 12 has connecting holes 122 along its edge for fixing to the base 11 using connectors such as rivets or screws. Slightly further from the edge, the white panel 12 also has fixing holes 121 for inserting expansion screws to secure the white panel 12 and base 11 together to the ceiling. The recessed groove 20 can be located at the center or edge of the white panel 12. Preferably, in this embodiment, the center of the white panel 12 also has heat dissipation holes 123 for conducting heat generated by the circuit components on the side of the white panel 12 away from the base 11 to the base 11, and then through the base 11 to the building or air.

[0057] Specifically, such as Figure 4 As shown, the edge of the base 11 in this embodiment includes a first step surface 111, a second step surface 112 and a third step surface 113 arranged sequentially from the outside to the inside.

[0058] The white plate 12 is fixed to the third step surface 113. The white plate 12 is connected to the third step surface 113 of the base 11 through the connecting hole 122. In this embodiment, the white plate 12 is connected and fixed to the third step surface 113 of the base 11 by riveting.

[0059] The end of the lampshade 40 furthest from the lampshade fixing ring 50 abuts against the second stepped surface 112. That is, in this embodiment, the lampshade 40 and the base 11 are in abutting relationship, with the lampshade 40 abutting against the second stepped surface 112 of the base 11. Figure 4 As can be seen from the diagram, the first step surface 111 is located on the outermost side of the base 11, the third step surface 113 is located on the innermost side of the base 11, and the second step surface 112 is located between the first step surface 111 and the third step surface 113. The first step surface 111, the second step surface 112, and the third step surface 113 are arranged from high to low, that is, the second step surface 112 is lower than the first step surface 111 on its outer side. In this way, when the lampshade 40 abuts against the second step surface 112 of the base 11, the outer edge of the lampshade 40 is blocked by the inner sidewall of the first step surface 111, preventing the lampshade 40 from sliding left and right on the base 11 during installation or use.

[0060] like Figure 1 and Figure 2 As shown, a stud 70 is installed on the first stepped surface 111. The lampshade fixing ring 50 is provided with a mounting hole 51. The end of the stud 70 facing away from the base 11 passes through the mounting hole 51 and is connected to the nut 80, thus fastening the base 11, lampshade 40, and lampshade fixing ring 50 together. The stud 70 is fixed on the base 11. During assembly, the stud 70 passes through the mounting hole 51 on the lampshade fixing ring 50, and then the nut 80 is tightened on the end of the stud 70, thus fixing the lampshade fixing ring 50, lampshade 40, and base 10 together. In this embodiment, as shown...Figure 1 As shown, the stud 70 does not pass through the lampshade 40 from the inside, but from the edge of the outside of the lampshade 40.

[0061] Preferably, as shown in the drawings, Figure 2 and Figure 4 As shown, the light-emitting source 30 of the present embodiment further comprises a plurality of lamp plates 33 mounted on the white plate 12, and a plurality of LED lamp beads 32 are arranged on the lamp plates 33. The lamp plates 33 are used to fix the LED lamp beads 32, and the lamp plates 33 are provided with electrical circuits to connect the LED lamp beads 32 and the light-emitting source 30. In the present embodiment, a plurality of lamp plates 33 are arranged transversely and parallel on the white plate 12, and a plurality of LED lamp beads 32 are arranged on each lamp plate 33. In this way, the LED lamp beads 32 are arranged in an array and uniformly on the whole white plate 12, so as to ensure that there are enough LED lamp beads 32 uniformly distributed on the white plate 12, so as to ensure that the light source points of the whole light-emitting surface of the white plate 12 are uniformly distributed, and the power and brightness requirements are met.

[0062] Preferably, as shown in the drawings, Figure 4 Each of the LED lamp beads 32 of the present embodiment is provided with an optical lens 60.

[0063] In the prior art, some high-power LED lamps simply array the LED lamp beads on the lamp plates, and do not equip or reasonably use optical lenses or diffusion materials, thereby causing uneven distribution of the light-emitting surface. The ceiling lamp 100 of the present application is provided with an optical lens 60 on each LED lamp bead 32, so as to avoid local bright spots or dark spots, and make the light-emitting on the mirror surface or the diffusion material more uniform, so as to make most of the extracted light uniformly distributed, and form a uniform light spot when irradiated on the lampshade 40. The optical lens 60 can also expand the light-emitting angle. In the present embodiment, the optical lens 60 can be independent or integrated with the lamp bead. The optical lens equipped for the lamp bead in the present embodiment can be designed or selected according to actual optical requirements.

[0064] Preferably, the LED lamp beads 32 on the lamp plates 33 near the sunken groove 20 are arranged away from the sunken groove 20. As shown in Figure 6 In the middle of the white plate 12, two lamp plates 33 are arranged transversely and in parallel, and a plurality of LED lamp beads 32 are arranged on each lamp plate 33. On the left side of the two lamp plates 33, near the position of the power supply module 31, i.e. near the positions of the power supply box 311 and the dial switch box 312, a corner 331 is arranged on the lamp plate 33, so as to be away from the power supply module 31 in the sunken groove 20, and the LED lamp beads 32 on the lamp plate 33 are also away from the power supply module 31 in the sunken groove 20, so as to make the LED lamp beads 32 adjacent to the periphery of the power supply module 31 moderately away, and form a reasonable distance with the power supply module 31, so as to avoid concentrated shadows or excessive LED temperature rise.

[0065] The bottom plate 10 and the lampshade 40 in the embodiment are uniformly oval, and it can be understood that the bottom plate 10 and the lampshade 40 of the ceiling lamp 100 of the utility model can also be circular, rectangular, polygonal and various shapes in other embodiments.

[0066] The installation and working process of the ceiling lamp 100 of the utility model are as follows:

[0067] (1) The installer first fixes the bottom plate 10 at a reserved position of the ceiling and uses a screw or an expansion bolt.

[0068] (2) The high-power power supply box 311 and the dial switch box 312 are embedded in the sunken groove 20 of the bottom plate 10 and connected to the power supply circuit.

[0069] (3) The lamp panel 33, the LED lamp bead 32 and the lens 60 are installed at a suitable position of the bottom plate 10 and wired.

[0070] (4) The lampshade 40 is placed in the lampshade mounting ring 50.

[0071] (5) The lampshade mounting ring 50 and the lampshade 40 are tightened to the bottom plate 10 by the stud 70 on the bottom plate 10 and the nut 80.

[0072] (6) Power on and light up, open the dial switch box 312 or adjust the corresponding switch setting, and the high-brightness and uniform lighting effect can be obtained.

[0073] The ceiling lamp 100 of the utility model has the following comprehensive effects:

[0074] 1. Thinner overall height

[0075] Through the sunken power supply module setting and the optimized lamp panel layout, the overall height of the ceiling lamp 100 of the utility model can be about 60 mm, which is thinner than the similar high-power ceiling lamp of about 90 mm in thickness on the market, saves space and has a more beautiful appearance.

[0076] 2. Improve the uniformity of illumination

[0077] The embedded sunken power supply box and the dial switch box greatly reduce the shielding of the light of the LED lamp bead; in combination with the secondary optical design of the lamp bead optical lens, the surface brightness of the lampshade is uniformly distributed.

[0078] 3. Support high power and high current

[0079] The use of the ultra-thin power supply box (such as 18 mm) and the large-size dial switch box can meet the demand of high-power lighting; through the design of the lower groove, even if the volume of the dial switch box is increased, the influence on the light emission and appearance is limited.

[0080] 4. Quick installation and convenient maintenance

[0081] The split structure simplifies the installation operation: first, install the chassis, and then fix the lampshade to the chassis through the lampshade fixing ring, which is convenient for future maintenance or replacement of the power supply and lamp beads.

[0082] 5. Heat dissipation and service life

[0083] The space in the sunken groove is beneficial to heat dissipation of the power supply. Meanwhile, the lamp beads are far away from the overheated area near the power supply module, and in combination with the overall structural design, the service life of the LED lamp beads and the power supply module assembly can be prolonged.

[0084] In summary, the ceiling lamp 100 with uniform light emission is improved in structure optimization, optical design, and humanized installation, and realizes a large-size ceiling lamp with a higher thinness, more uniform brightness distribution, and compatibility with high-power power supplies, which has high practical value and market competitiveness in the fields of home, commercial, and public lighting.

[0085] The above is only an example for clearly illustrating the utility model, and does not limit the patent range of the utility model. It is impossible to enumerate all the embodiments here, and equivalent structural transformations or direct / indirect applications in other related technical fields made by using the contents in the technical solutions of the utility model under the concept of the utility model are included in the patent protection range of the utility model.

Claims

1. A ceiling light with uniform luminescence, characterized in that, include: A chassis for fixing to a building, wherein a recessed groove is provided on the inner wall of the chassis; The light source includes a power module and LED beads electrically connected to the power module. The LED beads are disposed on the inner wall surface of the chassis, and the power module is embedded in the recessed groove. A lampshade is mounted on the chassis.

2. The ceiling light with uniform luminescence according to claim 1, characterized in that, It also includes a lampshade fixing ring, which is connected to the chassis and clamps the lampshade between the chassis and the lampshade fixing ring.

3. The ceiling light with uniform luminescence according to claim 2, characterized in that, The chassis includes a base and a white plate connected to the base. The LED beads are installed on the side of the white plate away from the base, and the recessed groove is provided.

4. The ceiling light with uniform luminescence according to claim 3, characterized in that, The light source also includes multiple light panels mounted on the white board, and multiple LED beads are disposed on the light panels.

5. The ceiling light with uniform luminescence according to claim 4, characterized in that, Each of the LED beads is covered with an optical lens.

6. The ceiling light with uniform luminescence according to claim 4, characterized in that, The LED beads on the light panel located near the sinking trough are positioned away from the sinking trough.

7. The ceiling light with uniform luminescence according to claim 3, characterized in that, The base edge includes a first stepped surface, a second stepped surface, and a third stepped surface arranged sequentially from the outside to the inside; The white plate is fixed to the third step surface, and the end of the lampshade away from the lampshade fixing ring abuts against the second step surface. A stud is installed on the first step surface. The lampshade fixing ring is provided with a mounting hole. The end of the stud facing away from the base passes through the mounting hole and is connected to the nut to fasten the base, lampshade, and lampshade fixing ring together.

8. The ceiling light with uniform luminescence according to claim 2, characterized in that, The lampshade fixing ring has a first mounting part arranged circumferentially on the side facing the chassis, and the lampshade has a second mounting part arranged circumferentially on the side away from the chassis. The first mounting part and the second mounting part are detachably connected.

9. The ceiling light with uniform luminescence according to claim 1, characterized in that, The lampshade height is 49–51 mm.

10. The ceiling light with uniform luminescence according to claim 9, characterized in that, The total height of the ceiling light is 56-62mm.

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