CN204879792U - A crystal ceiling lamp - Google Patents

Abstract

The utility model discloses a crystal ceiling lamp, pass lamp shade, reflector panel and with the screw threaded connection on the radiator in proper order through connecting the mounting, thereby the one step is put in place and is realized the connection of lamp shade, reflector panel and radiator three and fixed, the screw thread section of LED luminous element makes LED luminous element spiro union be fixed in the lamp shade bottom with the internal thread threaded connection on connecting the fixing base, each part of this embodiment all connects fixedly through the threaded connection mode, simple structure, the installation is dismantled conveniently, do benefit to later stage maintenance; the LED luminous body can emit light in all directions, and has small volume, high lighting effect and wide light emitting surface; the LED luminous body all-round is to lamp shade inside wall transmission light, and light produces the colorama through the refraction dispersion effect of the lamp shade that quartzy was made, and quartzy ceiling light is bright sparkling, and quartzy mutual refraction dispersion produces the colorama for whole quartzy ceiling light produces colorful visual effect, and is pleasing to the eye, and decorative effect is good.

Description

A crystal ceiling lamp

technical field

The utility model relates to the technical field of LED lighting, in particular to a crystal ceiling lamp.

Background technique

LEDs are widely used in indoor lighting, outdoor lighting and commercial lighting. High-power LEDs are developing very fast, with great improvements in structure and performance. The output is rising and the price is falling. It is a new generation of energy-saving and environmentally friendly green lighting.

LED light sources are gradually replacing incandescent and fluorescent light sources with their long life, no pollution, and high luminous efficiency. LED ceiling lights are lighting fixtures that are embedded in the ceiling and emit light. They are widely used in hotels, western restaurants, coffee shops, offices, Shopping malls, museums and home interior lighting. Crystal ceiling lamps are widely used because of their high luminous efficiency and strong decoration. The existing crystal ceiling lamps generally include a radiator lamp body, an LED light source installed in the radiator lamp body, and a crystal lampshade. Multiple screws are used to connect and fix them. Tools are required to screw the screws during installation and disassembly, which is very cumbersome and inconvenient for automated production. In addition, it is necessary to set up a light-transmitting cover or a reflector cup to achieve an ideal lighting effect, use more components, and increase production costs.

Moreover, the existing LED light sources generally include an LED substrate and LED lamp beads welded on the substrate. With such a structure, the LED light emitting surface is narrow and directly irradiates outward, and it is difficult for the light to irradiate the crystal lampshade, so it is difficult to realize the decorative effect of the crystal ceiling lamp. ; and the light emitted by the LED lamp bead has a strong directionality, the light emitting surface is small, the light is uneven, and the light is dazzling; such a structure, in the installation of the ceiling lamp, the LED substrate is generally fixed on the ceiling by screws or adhesives. Screws are used to install and fix the heat dissipation lamp body. The installation is time-consuming and labor-intensive, which reduces production efficiency and increases production costs. If the LED substrate is bonded to the upper end surface of the lamp panel with adhesive, the adhesive will The LED light source structure will loosen or fall off due to aging during use, and once the LED light source structure is bonded, it is difficult to disassemble for maintenance. At the same time, the adhesive has certain toxicity, which can pollute the environment and cause certain damage to the personal safety of assemblers. harm.

Therefore, how to realize a crystal ceiling lamp with simple structure, convenient installation and disassembly, easy maintenance, high production efficiency, LED luminous body can emit light in all directions, high luminous efficiency, colorful light, good decorative effect, and beautiful appearance is an urgent need in the industry. Solved technical problems.

Utility model content

The main purpose of the utility model is to provide a crystal ceiling lamp, which aims to realize a simple structure, convenient installation and disassembly, easy maintenance, high production efficiency, LED luminous body can emit light in all directions, high luminous efficiency, colorful light output, A crystal ceiling lamp with good decorative effect and beautiful shape.

The utility model proposes a crystal ceiling lamp, which is sequentially connected with a radiator, a reflective sheet, and a lampshade made of crystal from bottom to top. A through hole, the inner bottom of the lampshade is provided with a second through hole corresponding to the position of the first through hole. Threaded connection so that the lampshade and the reflector are installed and fixed on the connecting fixture on the upper end surface of the radiator. The connecting fixture includes a threaded column that passes through the second through hole, the first through hole and is threaded with the screw hole in turn, and is located on the The light source installation seat in the shape of a round table on the upper end surface of the threaded column, a wire hole for the current-carrying wire to pass through is provided in the middle of the connecting fixture, an internal thread is provided at the upper end of the wire hole, and the connecting fixture is set as an integrated structure. The ceiling lamp also includes an LED illuminant that is fixed on the light source mounting base through a threaded connection. The LED illuminant includes a main body with a third through hole in the middle, a probe that penetrates through the third through hole and is fixed to the main body and is insulated from each other. The main body includes a threaded section that is adapted to the internal thread and threaded with each other so that the LED luminous body is fixed on the light source mounting seat, and a packaging platform that is located on the top of the threaded section. A cylinder extends upward from the middle of the packaging platform. The cross section of the body is set as a regular polygon, and the LED luminous body also includes LED chips arranged on each side of the column.

Preferably, the top of the cylinder is provided with an electrode terminal extending to the probe and can be connected to an external power supply. An insulating pad is provided between the part and the top of the column body, and an insulator is filled between the needle body and the third through hole.

Preferably, the main body, the probe, the reflector, the heat sink and the connecting fixture are all made of heat-conducting metal, and the heat-conducting metal is selected from iron, aluminum or copper.

Preferably, the inner bottom of the screw hole is provided with a wire outlet hole at a position corresponding to the position of the wire hole through which the current-carrying wire passes.

Preferably, several cooling fins extend outward from the outer wall of the radiator.

Preferably, the outer wall of the radiator is provided with several spring buckles capable of fixing the crystal ceiling lamp on the installation surface, and the spring buckle covers are provided with insulating sleeves.

Preferably, a reflective layer is provided on the upper end surface of the reflective sheet.

Preferably, the cylinder is any one of a regular tetrahedron, a regular pentahedron, a regular hexahedron, a regular heptahedron, and a regular octahedron.

Preferably, several polygonal convex surfaces are arranged on the outer wall of the lampshade.

The crystal ceiling lamp of the present utility model is sequentially connected with a radiator, a reflector, and a lampshade made of crystal from bottom to top, and passes through the second through hole of the lampshade and the first through hole of the reflector successively through the connecting fixture, and then Threaded connection with the screw hole in the middle of the radiator so that the lampshade and reflector are installed and fixed on the upper surface of the radiator, that is to say, the lampshade, reflector and radiator are combined through threaded connection through connection and fixing Installed, and the three can be connected and fixed in one step, the combined installation is very fast, the structure is simple, the combined installation is convenient and fast, during the production process, it saves time and labor, improves production efficiency, reduces production costs, and can also realize automatic production. The light source mounting seat of the connecting fixture with wiring function is fixed on the inner bottom of the lampshade and is in the shape of a circular table. The threaded section of the LED illuminant is threadedly connected with the internal thread at the upper part of the wire hole so that the LED illuminant is fixed through the threaded connection. Located on the light source mounting base, the structure is compact and the connection is tight. The various parts of the crystal ceiling lamp of the present invention are connected by screw connections. No tools such as screwdrivers are required for installation or disassembly. The combined installation is quick and easy to produce. High efficiency, convenient installation and disassembly, repeatable disassembly, which is beneficial to the later inspection and maintenance of crystal ceiling lamps, and avoids the structural style of screw connection. , The crystal ceiling lamp of the utility model has a long service life and is environmentally friendly.

The LED illuminant fixed on the light source mounting seat by screw connection includes a main body with a third through hole in the middle, a probe penetrating through the third through hole and fixed with the main body and insulated from each other, and the middle of the packaging platform on the top of the main body A cylinder is extended upwards, the cross-section of the cylinder is set as a regular polygon, LED chips are arranged on each side of the cylinder, and the resin encapsulates the entire packaging platform and the cylinder to form a kind of sphere. The resin has a transparent Light effect, the light emitted by the LED chip is transmitted by the resin. The LED luminous body of the utility model breaks the traditional structural style of welding LED lamp beads on the aluminum substrate. It is small in size and can realize omni-directional light emission. There is no dead angle or dark area in the light, wide light emitting area, high light efficiency, and good light effect. , and the light will not be dazzling and dazzling, and the structure is simple, which overcomes the shortcomings of the strong directionality of LED light.

The lampshade provided by the crystal ceiling lamp of the utility model is made of crystal. The outer wall of the lampshade is provided with a polygonal convex surface. That is, the height of the LED illuminant is raised, so that the angle between the line formed from the center of the LED illuminant to the edge of the top of the lampshade and the line formed between the center of the LED illuminant and the edge of the bottom of the lampshade increases, which is conducive to the emission of LED chips. The light can be irradiated to various parts of the inner wall of the lampshade to the maximum extent, so that the light emitted by the LED luminous body can be fully utilized, and the upper end surface of the reflective sheet is provided with a reflective layer. Parts such as the radiator can be seen through the lampshade, and it also has a reflective effect, which further strengthens the reflection of light, so that the crystal ceiling lamp of the present utility model has a better lighting effect under the same power. Evenly irradiates all parts of the lampshade, the LED light is refracted and dispersed by the lampshade to produce colored light, the colored light is more full, and the reflection and refraction effect of the polygonal convex surface makes the crystal ceiling lamp more bright and shining, and the crystal refracts and disperses each other Produce colored light, and the colored light crosses and shines on the ceiling, wall or ground to form a colorful pattern, which makes the whole crystal ceiling lamp produce colorful visual effects, beautiful appearance and good decorative effect.

Therefore, the utility model realizes a crystal ceiling lamp with simple structure, convenient installation and disassembly, easy maintenance, high production efficiency, LED luminous body can emit light in all directions, high luminous efficiency, colorful light output, good decorative effect and beautiful appearance. , is worthy of wide promotion and application.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of an embodiment of a crystal sky lantern of the present utility model, wherein the LED illuminant is not shown;

Fig. 2 is a three-dimensional structure exploded schematic diagram of an embodiment of a crystal ceiling lamp of the present utility model, wherein the LED illuminant is not shown;

Fig. 3 is an enlarged schematic diagram of the three-dimensional structure of the connecting fixture in an embodiment of a crystal ceiling lamp of the present invention;

Fig. 4 is an enlarged schematic diagram of the three-dimensional structure of the LED illuminant in an embodiment of a crystal ceiling lamp of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 to Fig. 4, an embodiment of a crystal ceiling lamp of the present utility model is proposed, in which a radiator 100, a reflector 200, a lampshade 300 made of crystal are connected sequentially from bottom to top, and the middle part of the upper end of the radiator 100 is There is a screw hole 101, and the reflective sheet 200 is provided with a first through hole 201 corresponding to the position of the screw hole 101, and the inner bottom of the lampshade 300 is provided with a second through hole corresponding to the position of the first through hole 201, the crystal ceiling lamp It also includes a connecting fixture that passes through the second through hole and the first through hole 201 in turn and is adapted to the screw hole 101 and can be threaded so that the lampshade 300 and the reflector 200 are installed and fixed on the upper end surface of the radiator 100, The connecting fixture includes a threaded column 401 that passes through the second through hole, the first through hole 201 and is threadedly connected with the screw hole 101, and a light source mounting seat 402 in the shape of a circular frustum arranged on the upper end surface of the threaded column 401. The connecting fixture There is a wire hole 403 in the middle for the wire 600 to pass through. The upper end 504 of the wire hole 403 is provided with an internal thread 404, and the connecting fixture is set as an integral structure. The crystal ceiling lamp also includes a threaded connection that is fixed to the light source. The LED illuminant on the mount 402 .

The utility model sequentially passes through the second through hole of the lampshade 300 and the first through hole 201 of the reflective sheet 200 by connecting the fixing parts, and is threadedly connected with the screw hole 101 in the middle of the radiator 100 so that the lampshade 300 and the reflective sheet 200 are installed. It is fixed on the upper end surface of the radiator 100, that is to say, the lampshade 300, the reflector 200 and the radiator 100 are combined and installed by screw connection through the connection and fixing, and the three can be connected and fixed in one step. The combined installation is very convenient and quick, and the structure is simple. During the production process, it saves time and labor, improves production efficiency, reduces production costs, and can also realize automatic production. The connecting and fixing parts are set in one-piece molding structure. Manufacturing cost, reduce production cost. At the same time, the light source mounting seat 402 of the connecting fixture with the wiring function is fixed on the inner bottom of the lampshade 300 and is in the shape of a truncated cone. The threaded section 501 of the LED illuminant is threadedly connected with the internal thread 404 at the upper end 504 of the wire hole 403 so that The LED illuminant is fixed on the light source mounting base 402 through threaded connection, so the structure is compact and the connection is tight. All parts of the crystal ceiling lamp of the present utility model are connected by threaded connection, and the radiator 100, the reflector 200 and the lampshade 300 can be connected and fixed in one step through the connection and fixing parts, and no installation or disassembly is required. Using any tool such as a screwdriver, the combined installation is fast, the production efficiency is high, the installation and disassembly are convenient, and the disassembly can be repeated, which is beneficial to the later inspection and maintenance of the crystal ceiling lamp, avoiding the use of multiple screws to connect each part separately. The threaded connection method of the utility model It saves time and labor, and the LED luminous body avoids the use of adhesives to be bonded to the lampshade 300. The adhesive will age due to the use of time, which will cause the LED luminous body to loosen or fall off, and the adhesive has certain toxicity, which is not environmentally friendly. However, the LED illuminant of the crystal ceiling lamp of the present utility model is fastened on the lampshade 300 through a threaded connection, the connection is tight, the service life is long, the environment or the health of the assembly workers are not affected, and it is green and environmentally friendly.

The LED illuminant fixed on the light source mounting seat 402 by threaded connection includes a main body with a third through hole in the middle, a probe penetrating through the third through hole and fixed with the main body and insulated from each other. The main body includes an internal thread 404 Compatible and screwed with each other so that the LED illuminant is fixed on the threaded section 501 on the light source mounting seat 402, and the packaging table 502 provided on the top of the threaded section 501, a cylinder 503 extends upward from the middle of the packaging table 502, The cross section of the cylinder 503 is set to be a regular polygon, and the cylinder 503 is any one of a regular tetrahedron, a regular pentahedron, a regular hexahedron, a regular heptahedron, and a regular octahedron. This embodiment is set to a regular tetrahedron, and the LED chip 506 is arranged on each side of a regular tetrahedron. The probe includes an end 504 at the top of the cylinder 503, a needle body 505 extending through the third through hole and extending to the outside of the threaded section 501, that is, the probe is inserted into the third through hole at the top of the cylinder 503 and It runs through the whole body and the needle body 505 extends to the outside of the threaded segment 501 . Resin encapsulates the whole packaging table 502, the LED chip 506 fixed on the side of the cylinder 503 and the end 504 fixed on the top of the cylinder 503 to form a kind of sphere. The resin has a light-transmitting effect, and the LED chip 506 sends The light is transmitted by the resin, and the resin has a strong refraction and transmission effect on the light emitted by the LED chip 506 . The LED luminous body of the utility model breaks the traditional structural style of welding LED lamp beads on the aluminum substrate, and has a simple structure, beautiful appearance, and small volume. There is no dark area in the dead angle, wide light emitting surface, high luminous efficiency, and the light will not be dazzling, which overcomes the disadvantage of strong directionality of LED light.

The wire hole 403 of the utility model runs through the connecting fixture, and the upper end 504 of the wire hole 403 is provided with an internal thread 404 , and the thread section 501 of the LED illuminant is matched with the internal thread 404 and threaded. The inner bottom of the screw hole 101 on the heat sink 100 is provided with an outlet hole 102 which communicates with the wire hole 403 and allows the current conducting wire 600 to pass through and be electrically connected to the external mains. The top of the cylinder 503 is provided with an electrode terminal extending to the end 504 of the probe and connected to an external power source. The energized wire 600 electrically connected with the mains passes through the outlet hole 102 and extends into the wire hole 403 and is electrically connected with the needle body 505 arranged on the outside of the threaded section 501 so as to realize the electrical connection of the crystal ceiling lamp of the present invention. The electrical connection is simple, and the wiring is clear and concise.

An insulating pad 507 is provided between the end portion 504 and the top of the column body 503 , and an insulating material is filled between the needle body 505 and the third through hole. The outer wall of the radiator 100 is provided with a number of spring buckles 104 which can fix the crystal ceiling lamp on the installation surface, and the spring buckles 104 are provided with insulating sleeves 105 . The insulating pad 507, the insulator and the insulating sleeve 105 make the crystal ceiling lamp of the present utility model have high safety performance as a whole, and the lamp is durable.

The main body, the probe, the reflective sheet 200, the heat sink 100 and the connecting fixture are all made of heat-conducting metal, and the heat-conducting metal is selected from iron, aluminum or copper. A plurality of cooling fins 103 extend outward from the outer wall of the radiator 100 . The thermal conduction metal has good thermal conductivity, and the heat dissipation fins 103 increase the contact area between the heat and the external air to accelerate the heat dissipation speed, and the heat dissipation is fast, which effectively prolongs the service life of the crystal ceiling lamp.

Crystal ceiling lamps are widely used because of their high light efficiency and strong decoration, but traditional crystal ceiling lamps generally use incandescent lamps or metal halide lamps as light sources. Colored light, while metal halide lamps have high power and slow start, and are not suitable for use in crystal ceiling lamps. The existing LED is used as the light source, but the general LED light source structure is to weld the LED lamp beads on the aluminum substrate, and then fix the aluminum substrate on the inner bottom of the lampshade 300. The light of the LED has a strong directionality, and the LED The light-emitting surface is narrow and directly irradiates outward, and it is difficult for the light to irradiate the crystal lampshade 300 , thus it is difficult to realize the decorative effect of the crystal ceiling lamp. In the crystal ceiling lamp of the utility model, the LED light-emitting body adopts a light-emitting mode of omnidirectional light-emitting, and the resin has the functions of refraction and transmission, which saves the use of reflective cups and saves costs. The outer wall of the lampshade 300 made of crystal is provided with several polygonal convex surfaces 301, and the light source installation seat 402 is in the shape of a circular truncated cone. The center of the light source installation seat 402 is high and the surrounding is low. The height of the LED illuminant makes the angle between the line formed from the center of the LED illuminant to the edge of the top of the lampshade 300 and the line formed by the center of the LED illuminant and the edge of the bottom of the lampshade 300 increase, which is beneficial to the light emitted by the LED chip 506. The light can be irradiated to various parts of the inner wall of the lampshade 300 to the greatest extent, so that the light emitted by the LED luminous body can be fully utilized, and the upper end surface of the reflective sheet 200 is provided with a reflective layer, which not only has the effect of covering the ugly, but also prevents the human body from raising its head. Parts such as the radiator 100 can be seen through the crystal lampshade 300, and it also has a reflective effect, which further strengthens the reflection of light. Even a low-power LED illuminant can also achieve high-intensity lighting effects, save electric energy, and be environmentally friendly. The LED illuminant emits light in all directions at 360°, and the light is evenly irradiated on various parts of the lampshade 300. The LED light is refracted and dispersed by the lampshade 300 to produce colored light, and the colored light is more full, and the polygonal convex surface 301 can strengthen the reflection and refraction of the light, making the crystal The ceiling lamp is more bright and crystal-clear and shining. The crystal refracts and disperses to produce colored light. The colored light crosses and shines on the ceiling, wall or ground to form a colorful pattern, which makes the entire crystal ceiling lamp produce colorful visual effects. The appearance is beautiful and decorative. The effect is good.

To sum up, the crystal ceiling lamp of the present utility model passes through the lampshade 300 and the reflector 200 in turn through the connecting fixtures and is threadedly connected with the screw hole 101 on the radiator 100, so that the lampshade 300, the reflector 200 and the lampshade 300 are realized in one step. The connection and fixation of the radiator 100, the threaded section 501 of the LED luminous body is threadedly connected with the internal thread 404 on the connection fixing seat so that the LED luminous body is screwed and fixed on the inner bottom of the lampshade 300, and each part of this embodiment is threaded. The connection method is connected and fixed, the structure is simple, the installation and disassembly are convenient, no screwdriver and other tools are required, and it can be disassembled repeatedly, which is beneficial to the later maintenance of the crystal ceiling lamp. Production cost; LED luminous body breaks the traditional structural style of welding LED lamp beads on the aluminum substrate. Small size, high luminous efficiency, wide light emitting surface, the LED light is irradiated outward by the resin, the light is uniform, and the light will not be dazzling, which overcomes the shortcomings of the strong directionality of the light emitted by the LED; the LED luminous body faces the lampshade in all directions The inner wall of 300 emits light, and the light passes through the refraction and dispersion of the lampshade 300 made of crystal to produce colored light, and the reflective effect of the light source mounting base 402 and the reflective sheet 200 makes the light utilization rate high, and the light emitted by the LED chip 506 passes through the lampshade 300 Finally, the crystal ceiling lamp is bright and shining, and the crystals refract and disperse each other to produce colored light, which crosses and shines, making the entire crystal ceiling lamp produce colorful visual effects, beautiful appearance and good decorative effect. Therefore, the crystal ceiling lamp of the present utility model has the advantages of simple structure, convenient installation and disassembly, easy maintenance, high production efficiency, low manufacturing cost, LED luminous body can emit light in all directions, small size, high luminous efficiency, energy saving and environmental protection, and light color Colorful, good decorative effect, beautiful appearance and other beneficial effects, has a broad market prospect, and is worthy of wide promotion and application.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (9)

1. A crystal ceiling lamp is characterized in that a radiator, a reflector, and a lampshade made of crystal are connected successively from bottom to top, and a screw hole is provided in the middle of the upper end of the radiator, and the reflector is placed on the top of the radiator. A first through hole is provided at the corresponding position of the screw hole, and a second through hole corresponding to the position of the first through hole is provided at the inner bottom of the lampshade. The crystal ceiling lamp also includes a The second through hole and the first through hole are compatible with the screw holes and can be threaded so that the lampshade and the reflector are installed and fixed on the connecting fixture on the upper end surface of the radiator. The fixing part includes a threaded column that passes through the second through hole, the first through hole and is threadedly connected with the screw hole, and a light source mounting seat in the shape of a circular frustum arranged on the upper end surface of the threaded column. The middle part of the connecting fixture is provided with a wire hole for the energized wire to pass through, and the upper part of the wire hole is provided with an internal thread, and the connecting fixture is set as an integrated structure. The connection mode is an LED illuminant fixed on the light source installation seat, the LED illuminant includes a main body with a third through hole in the middle, a probe penetrating through the third through hole and fixed with the main body and insulated from each other. The needle, the main body includes a threaded section that fits with the internal thread and is threaded with each other so that the LED illuminant is fixed on the light source mounting seat, and a packaging table that is arranged on the top of the threaded section. A cylinder extends upwards from the middle of the packaging platform, the cross section of the cylinder is set as a regular polygon, and the LED illuminant further includes LED chips arranged on each side of the cylinder. 2. A crystal ceiling lamp according to claim 1, characterized in that, the top of the column is provided with an electrode end extending to the probe and connected to an external power supply, and the probe includes a The end of the top of the cylinder, the needle body passing through the third through hole and extending to the outside of the threaded section, an insulating pad is provided between the end and the top of the cylinder, and the needle body and the needle body are connected to the top of the cylinder. Insulators are filled between the third through holes. 3. A crystal ceiling lamp according to claim 1 or 2, characterized in that, the main body, the probe, the reflective sheet, the heat sink and the connecting fixture are all made of heat-conducting metal The heat-conducting metal is made of iron, aluminum or copper. 4. A crystal ceiling lamp according to claim 3, characterized in that, the inner bottom of the screw hole is provided with an outlet hole at a position corresponding to the position of the wire hole through which the current conducting wire passes. 5 . The crystal ceiling lamp according to claim 4 , wherein a plurality of cooling fins extend outward from the outer wall of the radiator. 6 . 6. A crystal ceiling lamp according to claim 5, characterized in that, the outer wall of the radiator is provided with a number of spring buckles that can fix the crystal ceiling lamp on the installation surface, and the springs The buckle cover is provided with an insulating cover. 7. A crystal ceiling lamp according to claim 6, characterized in that a reflective layer is provided on the upper surface of the reflective sheet. 8 . A crystal ceiling lamp according to claim 7 , wherein the column is any one of a regular tetrahedron, a regular pentahedron, a regular hexahedron, a regular heptahedron, and a regular octahedron. 9. A crystal ceiling lamp according to claim 8, characterized in that, the outer wall of the lampshade is provided with several polygonal convex surfaces.