Screen lamp

Abstract

The utility model relates to the technical field of display screen lighting devices, in particular to a screen lamp which comprises a lamp body assembly and an installation assembly which are detachably connected. The lamp body assembly comprises a lampshade, a plurality of light-emitting modules, a plurality of brightness adjusting mechanisms and a controller, the light-emitting modules are all arranged in the lampshade and are sequentially arranged in the length direction of the lampshade, the light-emitting modules are electrically connected with the corresponding brightness adjusting mechanisms respectively, and the light-emitting modules and the brightness adjusting mechanisms are further electrically connected with the controller. The lampshade is further movably connected with the installation assembly, and the controller controls the light-emitting modules at different positions so that partition lighting or brightness adjustment can be achieved. The utility model aims to overcome the defects in the prior art, and provides the screen lamp which can carry out regional illumination according to the requirements of a user and can adjust the illumination brightness of each region so as to meet the multi-scene diversified requirements of the user.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen lighting device technical field more specifically, relate to a screen lamp. BACKGROUND

[0002] Screen lamp refers to the backlight for illuminating electronic equipment screen. Its role is to provide background illumination in low light environment to enhance the visibility of screen display. The screen lamp is different from the illumination effect of the desk lamp. The ordinary desk lamp not only occupies space, but also its light path is symmetrical dispersion. After turning on, the light will directly shine on the screen and cause reflection. The display screen hanging lamp is generally asymmetric light, which can avoid direct light irradiation on the screen, thereby achieving no reflection.

[0003] The existing screen lamp can only realize single control, either full on or full off. This setting can obtain relatively uniform light to irradiate the screen during work, which can improve visual experience and reduce eye fatigue. However, it is not suitable for other scenes, such as writing in local area, which may need to improve local brightness or only perform local illumination to use the screen lamp as a desk lamp. Or in the state of watching movies, the ambient brightness needs to be reduced, which can be realized by adjusting the brightness or color temperature of the screen lamp or reducing the illumination of the local area. The existing screen lamp cannot realize the illumination adjustment of different areas with different brightness. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art, providing a screen lamp, which can perform regional illumination according to the needs of users and adjust the illumination brightness of each area to meet the diversified needs of users in multiple scenes.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] A screen lamp is provided, which comprises a detachably connected lamp body assembly and a mounting assembly. The lamp body assembly comprises a lampshade, a plurality of light emitting modules, a plurality of brightness adjustment mechanisms and a controller. The light emitting modules are arranged in the lampshade in sequence along the length direction of the lampshade. The light emitting modules are electrically connected to the corresponding brightness adjustment mechanisms. The light emitting modules and the brightness adjustment mechanisms are also electrically connected to the controller. The lampshade is movably connected to the mounting assembly. The controller can control the light emitting modules at different positions to realize regional illumination or brightness adjustment.

[0007] The lamp body assembly is used for lighting, the mounting assembly is used for fixing the lamp body assembly on the display screen, specifically, the light emitting module is used for emitting light, the lampshade is used for fixing the light emitting module and can be light-transmissive, the brightness adjusting mechanism is used for adjusting brightness, the light emitting modules are arranged at different positions of the lampshade, the light emitting modules at different positions are controlled by using the controller, so that the screen lamp can realize regional adjustment, and the brightness of the light emitting modules at different positions can be adjusted by controlling the brightness adjusting mechanism; according to the use requirement of a user, the screen lamp can realize regional and brightness adjustment.

[0008] Preferably, the lampshade is provided with an opening in the light emitting direction of the light emitting module, and the diffusion cover is detachably arranged in the opening.

[0009] Preferably, a plurality of lenses are arranged one by one corresponding to the light emitting modules, and the lenses are arranged between the diffusion cover and the light emitting modules.

[0010] Preferably, the mounting assembly comprises an abutting part and a hanging part which can be adjusted in angle, and the abutting part is movably connected with the hanging part and the lampshade.

[0011] Preferably, the abutting part comprises a first abutting piece, a second abutting piece and an adjusting assembly for adjusting the rotating angle, the first abutting piece is rotatably connected with the second abutting piece, the adjusting assembly is movably arranged on the first abutting piece or the second abutting piece, the adjusting assembly can drive the first abutting piece or the second abutting piece to rotate in the process of movement, the first abutting piece is movably connected with the lampshade, and the second abutting piece is movably connected with the hanging part.

[0012] Preferably, the adjusting assembly comprises a mounting shell, an adjusting screw, an adjusting nut and a pin, the adjusting screw, the adjusting nut and the pin are all arranged in the mounting shell, the mounting shell is partially arranged on the first abutting piece and partially arranged on the second abutting piece, the adjusting screw is partially exposed from the first abutting piece, the mounting shell is provided with a guide hole, the adjusting screw is rotatably connected with the mounting shell, the adjusting nut is movably connected with the mounting shell and is threadedly connected with the adjusting screw, the pin is connected with the adjusting nut and is inserted into the guide hole, and the pin is further inserted into the second abutting piece after passing through the guide hole of the mounting shell; the adjusting screw and the adjusting nut form a screw rod transmission pair.

[0013] Preferably, the first abutting piece and the second abutting piece rotation connection end are provided with an arc-shaped first rotation part, the second abutting piece and the first abutting piece rotation connection end are provided with a cylindrical second rotation part, and the first rotation part is rotationally connected with the second rotation part; the second rotation part is hollow, the mounting shell is located in the middle of the second rotation part, and the pin is inserted into the second rotation part after passing through the guide hole of the mounting shell.

[0014] Preferably, the hanging part comprises a pull rope and a knob capable of adjusting the length of the pull rope, the pull rope is wound around the knob, and the knob is rotationally connected with the second abutting piece.

[0015] Preferably, the bottom of the pull rope is further provided with a hanging part.

[0016] Preferably, the application further comprises a connecting part, the connecting part comprises a first connecting piece and a second connecting piece which are rotationally connected, the first connecting piece is fixedly arranged on the first abutting piece, and the lampshade and the controller are both fixedly arranged on the second connecting piece.

[0017] Preferably, the first connecting piece is a spherical hinge joint, a through hole is formed in the top of the second connecting piece, and the first connecting piece is inserted into the second connecting piece from the through hole to realize rotation connection.

[0018] Preferably, the second connecting piece comprises an upper shell and a lower shell which are detachably connected, a cavity is formed between the upper shell and the lower shell, the through hole is located in the upper shell, the first connecting piece is inserted into the cavity through the through hole, the lampshade is located outside the second connecting piece, the side of the lampshade is clamped with the lower shell, the top of the lampshade is clamped with the upper shell, and the controller is arranged in the cavity.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] The screen lamp can be adjusted and controlled in different regions, the opening and closing of the light emitting modules in different regions can be controlled, and the brightness of the light emitting modules in different positions can be adjusted; according to the use needs of users, the screen lamp can be adjusted and controlled in different regions and different brightnesses. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of a first visual angle of the screen lamp.

[0022] Figure 2 It is a structure schematic view of a second visual angle of the screen lamp. Figure 1 It is a structure schematic view of a second visual angle of the screen lamp.

[0023] Figure 3 It is a structure schematic view of a second visual angle of the screen lamp.

[0024] Figure 4 is a A-A sectional view of the utility model; Figure 3

[0025] Figure 5 is a B-B partial sectional view of the utility model; Figure 3

[0026] Figure 6 is a sectional view of connecting part and lamp body assembly;

[0027] Figure 7 is the use state reference drawing of the first perspective of the utility model;

[0028] Figure 8 is the use state reference drawing of the second perspective of the utility model;

[0029] Figure 9 is the use reference drawing of the first light emitting state of the utility model, and the arrow in the drawing is light ray schematic;

[0030] Figure 10 is the use reference drawing of the first light emitting state of the utility model, and the arrow in the drawing is light ray schematic;

[0031] Figure 11 is the use reference drawing of the first light emitting state of the utility model, and the arrow in the drawing is light ray schematic.

[0032] The illustration mark is explained as follows:

[0033] 1, lamp body assembly;11, lampshade;12, light emitting module;13, brightness adjusting mechanism;14, controller;15, diffuser cover;16, lens;2, mounting assembly;21, abutting portion;211, first abutting piece;2111, first rotating part;212, second abutting piece;2121, second rotating part;213, adjusting assembly;2131, mounting shell;2132, adjusting screw;2133, adjusting nut;2134, pin;2135, guide hole;22, hanging portion;221, pull rope;222, knob;23, connecting portion;231, first connecting piece;232, second connecting piece;2321, upper shell;2322, lower shell;3, screen. DETAILED DESCRIPTION

[0034] The utility model will be further explained in combination with specific implementation manners. Among them, the drawing is only for example explanation, and the representation is only schematic drawing, and not physical drawing, and can not be understood as the limitation of the patent of the utility model;In order to better explain the embodiment of the utility model, some components of the drawing will be omitted, enlarged or reduced, and the size of actual product is not represented;For those skilled in the art, it is understandable that some known structures and their description in the drawing can be omitted.

[0035] ​​The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation and be operated, therefore, the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, and for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0036] Embodiment 1

[0037] As Figures 1 to 11 shown is a first embodiment of the screen lamp, comprising a detachable lamp body assembly 1 and a mounting assembly 2; the lamp body assembly 1 comprises a lampshade 11, a plurality of light emitting modules 12, a plurality of brightness adjusting mechanisms 13, a controller 14, the plurality of light emitting modules 12 are all arranged in the lampshade 11 and are sequentially arranged along the length direction of the lampshade 11, the plurality of light emitting modules 12 are respectively electrically connected with the corresponding brightness adjusting mechanisms 13, the light emitting modules 12 and the brightness adjusting mechanisms 13 are also electrically connected with the controller 14, and the lampshade 11 is also movably connected with the mounting assembly 2; the different positions of the light emitting modules 12 can be controlled by the controller 14 to realize partitioned illumination or brightness adjustment.

[0038] As an embodiment of the present application, it further comprises a diffusion cover 15, the lampshade 11 is provided with an opening in the light emitting direction of the light emitting module 12, and the diffusion cover 15 is detachably arranged in the opening. The diffusion cover 15 is used for light diffusion, which is beneficial to improve the illumination range.

[0039] As an embodiment of the present application, it further comprises a plurality of lenses 16, the plurality of lenses 16 are respectively one-to-one corresponding to the plurality of light emitting modules 12, and the lenses 16 are all arranged between the diffusion cover 15 and the light emitting modules 12. The lens 16 is used for light condensation and can condense light.

[0040] As an embodiment of the present application, the mounting assembly 2 comprises an abutting portion 21 and a hanging portion 22 which can be movably adjusted in angle, and the abutting portion 21 is movably connected with the hanging portion 22 and the lampshade 11.

[0041] The abutting portion 21 acts on the front end of the top of the display screen 3 and the rear end of the display screen 3 respectively, and simultaneously abuts and limits, so as to realize the installation and fixation of the lamp body assembly 1. The hanging portion 22 is used for improving the installation reliability of the lamp body assembly 1, and the hanging portion 22 acts on the rear of the display screen 3, so as to increase the stability of the installation and fixation of the lamp body assembly 1.

[0042] As an embodiment of the utility model, the abutting part 21 includes a first abutting piece 211, a second abutting piece 212 and an adjusting assembly 213 for adjusting the rotation angle, the first abutting piece 211 is rotationally connected with the second abutting piece 212, the adjusting assembly 213 is movably arranged on the first abutting piece 211 or the second abutting piece 212, the adjusting assembly 213 can drive the first abutting piece 211 or the second abutting piece 212 to rotate during movement, the first abutting piece 211 is movably connected with the lampshade 11, and the second abutting piece 212 is movably connected with the hanging part 22.

[0043] The first abutting piece 211 is rotationally connected with the second abutting piece 212, and the rotation angle between the first abutting piece 211 and the second abutting piece 212 is adjusted by the adjusting assembly 213 to adapt to the thickness of the display screen 3. Preferably, a limiting step is arranged at the front end of the first abutting piece 211, the front end of the top of the display screen 3 is limited by the limiting step, and the rear end of the display screen 3 is also limited by the second abutting piece 212 away from the rotation shaft, to prevent the installation assembly 2 from falling off.

[0044] As an embodiment of the utility model, the adjusting assembly 213 includes a mounting shell 2131, an adjusting screw 2132, an adjusting nut 2133 and a pin 2134 movably arranged in the mounting shell 2131, the mounting shell 2131 is partially arranged on the first abutting piece 211 and partially arranged on the second abutting piece 212, the adjusting screw 2132 is partially exposed to the first abutting piece 211, the mounting shell 2131 is provided with a guide hole 2135, the adjusting screw 2132 is rotationally connected with the mounting shell 2131, the adjusting nut 2133 is movably connected with the mounting shell 2131 and is threadedly connected with the adjusting screw 2132, the pin 2134 is connected with the adjusting nut 2133 and is inserted into the guide hole 2135, and the pin 2134 is further inserted into the second abutting piece 212 after passing through the guide hole 2135 of the mounting shell 2131; the adjusting screw 2132 and the adjusting nut 2133 form a screw rod transmission pair.

[0045] By rotating the adjusting screw 2132, the adjusting nut 2133 can be moved, the rotation of the adjusting screw 2132 is converted into the movement of the adjusting nut 2133 by the principle of the screw rod transmission pair, and then the pin 2134 is moved, since the pin 2134 is slidably connected with the mounting shell 2131, specifically, the pin 2134 guides the movement of the guide hole 2135, and the guide hole 2135 can be arranged in the longitudinal direction; while the pin 2134 moves along the guide hole 2135, the second abutting piece 212 is driven by the pin 2134 to rotate with the first abutting piece 211, so that the rotation angle of the first abutting piece 211 and the second abutting piece 212 is adjusted, and then the thickness of the screen 3 is adapted, so that the lamp body assembly 1 is fixed to the top of the screen 3.

[0046] As an embodiment of the utility model, first abutment piece 211 and second abutntment piece 212 rotating joint end are equipped with arc first rotating part 2111, second abutment piece 212 and first abutment piece 211 rotating joint end are equipped with cylindrical second rotating part 2121, first rotating part 2111 and second rotating part 2121 rotating connection;Second rotating part 2121 hollow setting, installation shell 2131 is located in the middle of second rotating part 2121, and the both ends of pin 2134 are inserted into second rotating part 2121 after passing through the guide hole 2135 of installation shell 2131.

[0047] The shape of the first rotating part 2111 and the second rotating part 2121 is matched, which can facilitate the relative rotation of the first abutment piece 211 and the second abutment piece 212. The installation shell 2131 divides the second rotating part 2121 into two rotating units from the middle of the second rotating part 2121. Both rotating units are inserted with the pin 2134, and the relative rotation of the first rotating part 2111 is realized by the pin 2134 driving both rotating units. The rotation angle of the first abutment piece 211 and the second abutment piece 212 can be accurately controlled by the rotating adjusting screw 2132. When the adjusting screw 2132 is not forced to rotate, the first abutment piece 211 and the second abutment piece 212 will not rotate relatively. Within the cognitive range of the skilled person in the art, the first abutment piece 211 and the second abutment piece 212 can also realize relative rotation and maintain the state of the two after adjusting the relative rotation angle by other structures.

[0048] Embodiment 2

[0049] The following is a second embodiment of the utility model of a screen lamp, which is similar to embodiment 1, except that the hanging part 22 includes a pull rope 221 and a knob 222 that can adjust the length of the pull rope 221. The pull rope 221 is wound around the knob 222, and the knob 222 is rotationally connected to the second abutment piece 212.

[0050] The knob 222 can rotate relative to the second abutment piece 212. During the rotation of the knob 222, the winding movement of the pull rope 221 is driven. Rotating the knob 222 in one direction can increase the length of the pull rope 221 away from the knob 222, and thus increase the length of the hanging part of the pull rope 221. Rotating the knob 222 in the other direction can decrease the length of the pull rope 221 away from the knob 222, and thus decrease the length of the hanging part of the pull rope 221. In this way, the length of the pull rope 221 is adjusted to match the hanging part behind the display screen 3.

[0051] The hanging part 22 and the abutting part 21 are used together. The hanging part 22 applies force downward and backward, and the two work together to ensure the installation and fixation of the lamp body assembly 1.

[0052] As an embodiment of the present application, the pull rope 221 is further provided with a hanging part at the bottom.

[0053] Preferably, the hanging part can be made of anti-skid material such as silica gel, which can increase the friction and the hanging reliability of the hanging part 22.

[0054] Embodiment 3

[0055] The third embodiment of the screen lamp is similar to the first embodiment, except that, as shown in the drawings, the screen lamp further comprises a connecting part 23, the connecting part 23 comprises a first connecting piece 231 and a second connecting piece 232 which are rotatably connected, the first connecting piece 231 is fixedly arranged on the first abutting piece 211, and the lampshade 11 and the controller 14 are both fixedly arranged on the second connecting piece 232. Figure 6

[0056] The lamp body assembly 1 is located in the abutting part 21 of the mounting assembly 2 and is close to the first abutting piece 211, the first connecting piece 231 of the connecting part 23 is arranged at the end of the first abutting piece 211, the end of the first abutting piece 211 is arranged in an arc-shaped curved structure, a limiting step is arranged at the bottom of the curved structure, and the first connecting piece 231 is arranged at the top of the curved structure, the curved structure can avoid the lamp body assembly 1, the abutting step limits the front end of the display screen 3, the second connecting piece 232 is arranged on the side of the lamp body assembly 1, the second connecting piece 232 is connected with the lampshade 11, and then the rotation connection between the first connecting piece 231 and the second connecting piece 232 realizes that the lampshade 11 drives the light-emitting module 12 to rotate relative to the first connecting piece 231 along with the second connecting piece 232, so that the adjustment of the light irradiation direction of the light-emitting module 12 is realized, and the illumination range is changed.

[0057] As an embodiment of the present application, the first connecting piece 231 is a ball hinge, and a through hole is formed in the top of the second connecting piece 232, and the first connecting piece 231 is inserted into the second connecting piece 232 to be rotatably connected.

[0058] The ball hinge can realize the adjustment of a large rotation range, and is convenient for adjusting the illumination direction and range of the light-emitting module 12 according to the needs of users. Preferably, the through hole and the ball hinge can be closely connected, so that after the relative angle between the second connecting piece 232 and the first connecting piece 231 is adjusted, the second connecting piece 232 can maintain the original position without changing, thereby being beneficial to maintaining the stable illumination direction and illumination range.

[0059] ​As an embodiment of the utility model, second connecting piece 232 includes detachable connection upper shell 2321 and lower shell 2322, form cavity between upper shell 2321 and lower shell 2322, through -hole is located upper shell 2321, first connecting piece 231 is inserted into cavity through through -hole, lamp shade 11 is located the outside of second connecting piece 232, the side portion of lamp shade 11 is clamped with lower shell 2322, the top of lamp shade 11 is clamped with upper shell 2321, controller 14 is installed in cavity.

[0060] The detachable connection between upper shell 2321 and lower shell 2322 is convenient for the insertion of first connecting piece 231 and upper shell 2321, and also facilitates the installation of controller 14; after the installation of light-emitting module 12, lens 16 and lamp shade 11, the lamp shade 11 is clamped with upper shell 2321 and lower shell 2322, and then first connecting piece 231 is inserted with second connecting piece 232, so as to realize the connection between lamp body assembly 1 and mounting assembly 2.

[0061] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A screen light comprising a detachably connected light body assembly (1) and a mounting assembly (2); characterized in that, The lamp body assembly (1) comprises a lampshade (11), a plurality of light emitting modules (12), a plurality of brightness adjusting mechanisms (13), a controller (14), the plurality of light emitting modules (12) are arranged in the lampshade (11) and sequentially arranged along the length direction of the lampshade (11), the plurality of light emitting modules (12) are electrically connected with the corresponding brightness adjusting mechanisms (13), the light emitting modules (12) and the brightness adjusting mechanisms (13) are electrically connected with the controller (14), the lampshade (11) is movably connected with the mounting assembly (2), and the light emitting modules (12) at different positions are controlled by the controller (14) to realize the partition illumination or the brightness adjustment.

2. The screen light of claim 1, wherein, The lamp body assembly (1) further comprises a diffusion cover (15), the lampshade (11) is provided with an opening in the light emitting direction of the light emitting module (12), and the diffusion cover (15) is detachably arranged in the opening.

3. The screen light of claim 2, wherein, The lamp body assembly (1) further comprises a plurality of lenses (16), the plurality of lenses (16) are one-to-one corresponding to the plurality of light emitting modules (12), and the lenses (16) are arranged between the diffusion cover (15) and the light emitting modules (12).

4. The screen light according to any one of claims 1 to 3, characterized in that The mounting assembly (2) comprises a movable abutting portion (21) and a hanging portion (22), the abutting portion (21) is movably connected with the hanging portion (22) and the lampshade (11).

5. The screen light of claim 4, wherein, The abutting portion (21) comprises a first abutting piece (211), a second abutting piece (212) and an adjusting assembly (213) for adjusting the rotating angle, the first abutting piece (211) is rotatably connected with the second abutting piece (212), the adjusting assembly (213) is movably arranged on the first abutting piece (211) or the second abutting piece (212), the adjusting assembly (213) can drive the first abutting piece (211) or the second abutting piece (212) to rotate in the movement process, the first abutting piece (211) is movably connected with the lampshade (11), and the second abutting piece (212) is movably connected with the hanging portion (22).

6. The screen light of claim 5, wherein, The adjusting assembly (213) comprises a mounting shell (2131), an adjusting screw (2132) and an adjusting nut (2133) and a pin (2134) which are all arranged in the mounting shell (2131), the mounting shell (2131) is partially arranged in the first abutting piece (211) and partially arranged in the second abutting piece (212), the adjusting screw (2132) is partially exposed from the first abutting piece (211), the mounting shell (2131) is provided with a guide hole (2135), the adjusting screw (2132) is rotationally connected with the mounting shell (2131), the adjusting nut (2133) is movably connected with the mounting shell (2131) and is threadedly connected with the adjusting screw (2132), the pin (2134) is connected with the adjusting nut (2133) and is inserted into the guide hole (2135), and the pin (2134) is further inserted into the second abutting piece (212) after passing through the guide hole (2135) of the mounting shell (2131); the adjusting screw (2132) and the adjusting nut (2133) form a screw drive pair.

7. The screen light of claim 6, wherein, The first abutting piece (211) and the second abutting piece (212) are rotationally connected with an arc-shaped first rotating part (2111) and a cylindrical second rotating part (2121), the first rotating part (2111) is rotationally connected with the second rotating part (2121), and the second rotating part (2121) is hollow and the mounting shell (2131) is located in the middle of the second rotating part (2121), the pin (2134) is inserted into the second rotating part (2121) after passing through the guide hole (2135) of the mounting shell (2131) at both ends.

8. The screen light of claim 5, wherein, The hanging part (22) comprises a pull rope (221) and a knob (222) which can adjust the length of the pull rope (221), the pull rope (221) is wound around the knob (222), and the knob (222) is rotationally connected with the second abutting piece (212).

9. The screen light of claim 5, wherein, The connecting part (23) comprises a first connecting piece (231) and a second connecting piece (232) which are rotationally connected, the first connecting piece (231) is fixedly arranged in the first abutting piece (211), and the lampshade (11) and the controller (14) are both fixedly arranged in the second connecting piece (232).

10. The screen light of claim 9, wherein, The first connecting piece (231) is a spherical hinge joint, a through hole is formed at the top of the second connecting piece (232), and the first connecting piece (231) is inserted into the second connecting piece (232) from the through hole to be rotationally connected; the second connecting piece (232) comprises an upper shell (2321) and a lower shell (2322) which are detachably connected, a cavity is formed between the upper shell (2321) and the lower shell (2322), the through hole is located in the upper shell (2321), the first connecting piece (231) is inserted into the cavity through the through hole, the lampshade (11) is located outside the second connecting piece (232), the side of the lampshade (11) is clamped with the lower shell (2322), the top of the lampshade (11) is clamped with the upper shell (2321), and the controller (14) is arranged in the cavity.

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