CN219735134U - Connecting assembly and panel lamp with same - Google Patents

Abstract

The utility model discloses a connecting component and a panel lamp with the same, wherein the connecting component comprises a support column and a positioning column which are in scarf joint, the support column is in threaded connection with a lamp body of the panel lamp, the positioning column is detachably connected with a soft light plate, the scarf joint end of one of the support column and the positioning column is provided with an embedding groove, the scarf joint end of the other one is provided with an embedding part which is in scarf joint with the embedding groove, and the end part of the embedding part or the embedding groove is also provided with a magnet for adsorbing and fixing the embedding part in the embedding groove, so that the soft light plate is connected with the light-emitting end of the lamp body in parallel and at intervals, and the size of the soft light plate corresponds to the size of the light-emitting end of the lamp body. The connecting component has simple structure, is convenient to assemble and high in assembly efficiency, can realize conversion between the light condensing effect and the soft light effect by loading and unloading the soft light plate, can conveniently and rapidly adjust the soft light effect, and effectively improves the adaptability of the panel lamp with the connecting component.

Description

Connecting assembly and panel lamp with same

Technical Field

The present utility model relates to lighting fixtures, and more particularly, to a connecting assembly for assembling a lighting fixture and a panel light having the same.

Background

At present, for a panel light partially applied to use scenes such as indoor and outdoor business activities, party celebrations, large-scale performances, film and television production and the like, in order to obtain better light-emitting effect, the emitted light is often converted between condensation and soft light, but the current panel light can only achieve a single effect of condensation or soft light, and cannot achieve the effect of both the condensation and soft light well, and in general, a lens is arranged at the light-emitting end of a light source to achieve the condensation effect, and a soft light plate is arranged at the light-emitting end of the light source to achieve the soft light effect. The soft light plate is assembled on the lamp body by combining the added positioning frame and the screws, and a plurality of screw fittings are needed to realize firm assembly during assembly, so that the assembly is inconvenient, the assembly efficiency is relatively low, the screws are relatively small in size and easy to lose, and the assembly efficiency of the whole panel lamp is affected; in addition, the assembling position of the traditional soft light plate on the lamp body is always fixed, and the soft light effect is correspondingly fixed, so that the soft light plate cannot effectively adapt to different soft light requirements. In addition, when a plurality of panel lamps need to be spliced to obtain a required light-emitting effect, because the size of the existing soft light plate is often smaller than the size of the lamp body of the panel lamps, light-emitting shadows exist between adjacent panel lamps at the splicing position, and seamless splicing cannot be effectively realized, so that the light-emitting effect is affected.

Therefore, there is a need for a connection assembly having a simple structure, easy assembly and adjustment, and high assembly efficiency to overcome the above problems, thereby improving the assembly efficiency and adaptability of a panel light having the connection assembly.

Disclosure of Invention

An object of the present utility model is to provide a connection assembly with simple structure, easy assembly and adjustment and high assembly efficiency.

Another object of the present utility model is to provide a panel lamp having a connection assembly that is simple in structure, convenient to assemble and adjust, and high in assembly efficiency, thereby improving assembly efficiency and adaptability of the panel lamp.

In order to achieve the above-mentioned objective, the present utility model discloses a connection assembly for assembling a soft light plate on a lamp body of a panel light, the connection assembly includes a support column and a positioning column which are engaged and matched, the support column is connected to the lamp body of the panel light by screw thread, the positioning column is detachably connected to the soft light plate, the engagement end of one of the support column and the positioning column is provided with an engaging groove, the engagement end of the other one is provided with an engaging portion engaged and matched with the engaging groove, and the end of the engaging portion or the engaging groove is also provided with a magnet for adsorbing and fixing the engaging portion in the engaging groove, so that the soft light plate is assembled on the light-emitting end of the lamp body in parallel and spaced manner, and the size of the soft light plate corresponds to the size of the light-emitting end of the lamp body.

Preferably, the embedding end of the support column is provided with the embedding groove, the embedding end of the positioning column is provided with an embedding part matched with the shape of the embedding groove, and the magnet is adhered in the embedding groove and corresponds to the shape of the embedding part or the shape of the embedding groove.

Preferably, the length of the support column is greater than the length of the positioning column.

Preferably, the support column comprises an upper cylindrical part and a lower cylindrical part which are coaxially arranged, the diameter of the upper cylindrical part is larger than that of the lower cylindrical part, the top wall of the upper cylindrical part is recessed towards the direction of the bottom wall of the upper cylindrical part to form the embedded groove, and the peripheral wall of the lower cylindrical part is provided with a screwing thread.

Preferably, the positioning column further comprises a clamping part coaxially arranged with the embedded part, a screwing thread is arranged on the whole peripheral wall of the embedded part, the opposite upper end of the peripheral wall or the opposite lower end of the peripheral wall, the opposite upper end of the embedded part is in threaded connection with or rotatably penetrates through the positioning hole of the soft light plate, the clamping part is rotatably clamped at the hole opening of the positioning hole, and the opposite lower end of the embedded part penetrates through the positioning hole and then is in threaded connection with the embedded groove and can be in adsorptive connection with the magnet.

Preferably, the connecting assembly further comprises a fixing column, the positioning column further comprises a clamping part coaxially arranged with the embedding part, the clamping part is clamped at the orifice of the positioning hole of the soft light plate, the embedding part passes through the positioning hole and then is suspended at the bottom side end of the soft light plate, the upper end part of the fixing column is in threaded connection or clamping connection with the embedding part, and the lower end part of the fixing column is in threaded connection with the embedding groove and is in adsorption connection with the magnet.

The utility model also discloses a panel lamp, which comprises a lamp holder, a lamp body and a soft light plate, wherein the lamp body is detachably arranged on the lamp holder and can rotate relative to the lamp holder, the lamp body comprises a frame, a radiator detachably arranged on the frame, and a light source module and a power supply controller which are arranged on the two opposite sides of the top and the bottom of the radiator at intervals, the power supply controller is electrically connected with the light source module and is used for supplying power to the light source module and controlling the color temperature and the brightness of a light source of the light source module, a lens is arranged at a light emitting end of the light source module, the soft light plate is detachably assembled on the frame through a connecting component and is covered outside the lens, and the connecting component is as described above.

Preferably, the number of the connecting components is at least two, and at least two connecting components are symmetrically arranged on the left and right opposite sides or/and front and rear opposite sides of the soft light plate and the frame.

Preferably, each vertex angle of the bottom side end of the frame is respectively provided with a splicing block, each splicing block is provided with two outer side walls which are corresponding to and flush with two side edges of the vertex angle, and each outer side wall is respectively provided with a splicing hole and/or a splicing column for splicing with an adjacent panel lamp.

Preferably, a positioning boss is further protruding from the central position of the bottom wall of the splicing block, the upper end of the positioning boss connected with the splicing block is relatively thin, and the lower end of the positioning boss relatively far from the splicing block is relatively thick.

Compared with the prior art, the connecting component disclosed by the utility model comprises the support column and the positioning column which are in scarf joint and matched and the magnet arranged at the scarf joint end of the support column and the positioning column, because the support column is connected to the lamp body of the panel lamp in a threaded manner, the positioning column is detachably connected to the soft light plate, the scarf joint end of one of the support column and the positioning column is provided with the embedding groove, the scarf joint end of the other one of the support column and the positioning column is provided with the embedding part which is in scarf joint and matched with the embedding groove, and the magnet is arranged at the end part of the embedding part or in the embedding groove. During specific assembly, the positioning columns are in embedding connection with the embedding grooves through the embedding parts and are adsorbed and fixed through the magnets, so that the soft light plate is conveniently and rapidly assembled on the lamp body, the assembly is efficient and rapid unlike the existing screw fixation, the assembly process is convenient to detach, the assembly process is effectively simplified, and the convenience and timeliness of using the panel lamp are greatly improved; and the distance between the soft light plate and the light source of the panel light can be adjusted by rotating the support column, so that different soft light effects are obtained, and the adaptability of the panel light is effectively improved; in addition, when the lens is arranged at the light-emitting end of the light source module of the panel lamp, the soft light plate is detachably arranged at the light-emitting end of the lamp body, namely, the soft light plate is covered outside the lens, so that the conversion between the light-gathering effect and the soft light effect is efficiently and conveniently realized, and the problem that the soft light and the light gathering of the traditional panel lamp cannot be achieved is solved; moreover, as the size of the soft light plate corresponds to the size of the light emitting end of the lamp body, the distance between the light emitting ends of the adjacent panel lamps during splicing can be effectively eliminated, seamless butt joint is convenient to realize, and a better light emitting effect is further obtained.

Drawings

Fig. 1 is an angular perspective view of a panel light according to the present utility model.

Fig. 2 is another angular perspective view of the panel light of the present utility model.

Fig. 3 is a top view of the panel light of the present utility model.

Fig. 4 is a bottom view of the panel light of the present utility model.

Fig. 5 is a perspective view of the connection assembly of the present utility model.

Fig. 6 is an exploded view of the connection assembly of the present utility model.

Fig. 7 is a cross-sectional view of the connection assembly of the present utility model assembled with a lamp body.

Detailed Description

In order to describe the technical content, the constructional features, the achieved objects and effects of the present utility model in detail, the following description is made in connection with the embodiments and the accompanying drawings.

Referring to fig. 1 to 4, the utility model discloses a connection assembly 100 and a panel light 200 having the connection assembly 100, wherein the panel light 200 of the utility model is suitable for various indoor and outdoor business activities, party celebrations, large-scale performances, film and television production and other use scenes with certain requirements on light emitting effect, and the color temperature and the brightness of a light source are adjustably set according to actual needs. In summary, the panel light 200 according to the preferred embodiment of the present utility model mainly includes a light body 201, a light holder 202 and a soft light plate 203, wherein the light body 201 is detachably mounted on the light holder 202 and can rotate relative to the light holder 202, so that the light holder 202 can be mounted on a support, and the light emitting angle of the light body 201 can be adjusted as required, so as to obtain a better light emitting effect. Of course, whether the lamp holder 202 is assembled or not can be selected according to actual needs, so that the use is more flexible. The lamp body 201 mainly includes a frame 2011, a radiator 2012 detachably mounted on the frame 2011, a light source module 2013 and a power controller 2014 arranged on two opposite sides of the top and bottom of the radiator 2012 at intervals, wherein the power controller 2014 is electrically connected with the light source module 2013 and is used for supplying power to the light source module 2013 and controlling the color temperature and brightness of a light source of the light source module 2013, so that a required light emitting effect is obtained. The soft light plate 203 is detachably assembled to the light emitting end of the lamp body 201 through the connecting assembly 100, the light emitting end of the light source module 2013 is provided with the lens 2015, so that a light condensing effect is achieved, the soft light plate 203 is particularly detachably assembled to the frame 2011, and is covered outside the lens 2015, so that a soft light effect is achieved, the light emitting requirement of the panel lamp 200 for conversion between the light condensing effect and the soft light effect is effectively met, and the adaptability of the whole panel lamp 200 is improved.

In order to improve the stability of the assembly, the number of the connection assemblies 100 is at least two, and at least two connection assemblies 100 are symmetrically disposed on the left and right opposite sides or/and the front and rear opposite sides of the soft board 203 and the frame 2011. Specifically, the number of the connection assemblies 100 is 4, so that the soft board 203 and the frame 2011 are assembled from the left side, the right side, the front side and the rear side by the 4 connection assemblies 100, and the assembly is more stable and firm.

Referring to fig. 1 to 4, in particular, the panel lamp 200 of the present utility model is square, particularly square or rectangular, the frame 2011 is a square frame, the shape of the soft light plate 203 is corresponding to that of the frame 2011, and the soft light plate is assembled to the opposite front side ends of the frame 2011 in parallel and spaced apart manner, so as to be located at the light emitting end of the lamp body 201. The radiator 2012 adopts an aluminum profile radiator, is light in weight and good in heat dissipation performance, and the frame 2011 also adopts an aluminum alloy frame, so that a good heat dissipation effect can be achieved. The light source module 2013 adopts the LED lamp beads as the light source, so that the energy is saved and the light emitting effect is good. The number of the LED lamp beads is multiple, the LED lamp beads are arranged in an array on an aluminum substrate arranged on the radiator 2012, and are electrically connected with the power controller 2014 through circuits laid in the aluminum substrate, and the power controller 2014 controls the color temperature and the brightness of each LED lamp bead, so that the required light emitting effect is obtained through light mixing or independent light emitting. Specifically, the light source is a cold-warm color bead or an RGBW bead, and the specification of the light source is 3030, 5050 or other specifications. In addition, a lens 2015 is correspondingly covered outside each LED lamp bead, so that the light emitted by each LED lamp bead can be emitted uniformly and intensively. Specifically, the lens 2015 is a conical lens, so that the condensing effect is better, and the irradiation distance is longer.

Referring to fig. 4, in a preferred embodiment of the present utility model, the power controller 2014 includes a power connection port 2016, a power module, a touch key 2017, a control motherboard, a driving module and an external control interface 2018, wherein the power connection port 2016 is used for connecting the power module with an external power source for supplying power to the lamp body 201. The touch key 2017 is electrically connected to the control motherboard, and the touch key includes a key and a knob, such as a menu key, a switch key, a select key, a reset key, and a numerical adjustment knob, so as to facilitate user operation, but not limited thereto. The control main board is also respectively and electrically connected with the power supply module, the light source module and the driving module, and the driving module is connected with each light source of the light source module 2013 in a one-to-one correspondence manner, so that the color temperature and the brightness of each light source can be conveniently and rapidly adjusted by operating the touch key, and the required light emitting effect can be obtained. Specifically, the control main board can be controlled by adopting an MCU chip with an enhanced 8051 kernel structure, so that the dimming range is wider and the effect is better. The external control interface 2018 is used for controlling connection between the main board and external control equipment, so that the color temperature and the brightness of the light source are adjusted through the external control equipment, and the purpose of remote control is achieved. The utility model uses standard DMX512 signal to control light modulation, which is quick in response. The external control interface 2018 includes a DMX input interface and a DMX output interface. Of course, the utility model can also be controlled wirelessly by bluetooth, WIFF, etc. It is understood that the driving module drives the light source module 2013 and the power controller 2014 adjusts the color temperature and brightness of the light source module 2013 according to the operating principle known in the art, and will not be described herein.

With continued reference to fig. 1 to 4, specifically, the size of the soft light plate 203 corresponds to the size of the light emitting end of the lamp body 201, and the specific size is consistent with or slightly smaller than the size, so that when the panel lamps 200 are spliced to meet the actual use requirement, the same or similar size can effectively eliminate the space between the light emitting ends of the adjacent panel lamps 200 during the splicing, thereby realizing seamless splicing and obtaining better light emitting effect. The soft light plate 203 is made of acrylic material or PC material, and has good light transmission effect and light overall weight.

Specifically, in order to facilitate the splicing, each vertex angle of the bottom side end of the frame 2011 is respectively provided with a splicing block 204, the splicing block 204 is provided with two outer side walls corresponding to and flush with two side edges of the vertex angle, and the two outer side walls are respectively provided with a plugging hole 2041 and/or a plugging column 2042 for splicing with the adjacent panel light 200. The overall splicing block 204 is in a triangular prism shape, so that the number of the splicing blocks 204 is 4 and the upper end face and the lower end face of each splicing block 204 are right-angled triangles, which correspond to 4 vertex angles of the square frame 2011 better. In order to facilitate the connection with the peripheral side lamp 200, the layout positions or the number of the plug holes 2041 and/or the plug posts 2042 on the connection blocks 204 at the 4 top corners are adaptively adjusted. As shown in fig. 3, each of two outer sidewalls of one of the 2 splice blocks 204 located on one diagonal is provided with a plugging post 2042, each of two outer sidewalls of the other one is provided with a plugging hole 2041, and each of two outer sidewalls of the 2 splice blocks 204 located on the other diagonal is provided with a plugging post 2042 and a plugging hole 2041, respectively, so that the panel lamps 200 on the periphery can be spliced, but not limited thereto. In addition, a positioning boss 2043 is further protruding at the center of the bottom wall of the splicing block 204, the upper end of the positioning boss 2043 connected with the splicing block 204 is relatively thin, and the lower end of the positioning boss 2043 far away from the splicing block 204 is relatively thick, so that a limiting ring is formed between the positioning boss 2043 and the splicing block 204, and a sleeving part such as a steel wire rope is conveniently fixed in a winding manner, so that the panel lamp 200 is hoisted.

Referring to fig. 5 to 7, specifically, the connection assembly 100 disclosed in the present utility model includes a support column 10 and a positioning column 20 that are engaged with each other, the support column 10 is screwed onto a lamp body 201 of the panel lamp 200, specifically screwed onto a frame 2011 of the lamp body 201, the positioning column 20 is detachably connected onto a soft light plate 203, an engagement end of one of the support column 10 and the positioning column 20 is provided with an engaging groove 10a, an engagement end of the other one is provided with an engaging portion 21 engaged with the engaging groove 10a, and a magnet 30 is further disposed at an end of the engaging portion 21 or in the engaging groove 10a for adsorbing and fixing the engaging portion 21 in the engaging groove 10a, so that the soft light plate 203 is assembled on a light emitting end of the lamp body 201 in parallel and spaced apart manner, and a size of the soft light plate 203 corresponds to a size of the light emitting end of the lamp body 201. The length of the support post 10 is greater than that of the positioning post 20, so that the support post is not only convenient to be matched with the positioning post 20 in a scarf joint manner, but also convenient to adjust the distance between the soft light plate 203 and the lamp body 201, thereby obtaining different soft light effects.

Specifically, in the preferred embodiment, the insertion groove 10a is provided at the insertion end of the support column 10, the insertion end of the positioning column 20 has an insertion portion 21 matching the shape of the insertion groove 10a, and the magnet 30 is bonded in the insertion groove 10a and corresponds to the shape of the insertion portion 21 or the shape of the insertion groove 10 a.

The support column 10 includes an upper cylindrical portion 11 and a lower cylindrical portion 12 coaxially arranged, wherein the diameter of the upper cylindrical portion 11 is larger than that of the lower cylindrical portion 12, so that the arrangement of the embedded groove 10a is facilitated, and a screwing thread is arranged on the peripheral wall of the lower cylindrical portion 12, so that the support column is convenient to detachably connect with the frame 2011, and is convenient to adjust the assembling height on the frame 2011, so that the distance between the soft light plate 203 and the lamp body 201 is quickly and effectively adjusted, and different soft light effects are obtained. Specifically, the fitting groove 10a is formed by recessing the top wall of the upper cylindrical portion 11 toward the bottom wall thereof.

In some embodiments, the positioning post 20 further includes a clamping portion 22 coaxially arranged with the embedding portion 21, and a screwing thread is disposed on the entire peripheral wall of the embedding portion 21 or on the opposite lower end of the peripheral wall, so that the opposite upper end of the embedding portion 21 can be screwed into or rotatably inserted into the positioning hole 2031 of the soft light plate 203, and the clamping portion 22 is rotatably clamped at the hole opening of the positioning hole 2031, so that the entire positioning post 20 can be fixed on the soft light plate 203 to prevent loss, and the opposite lower end of the embedding portion 21 passes through the positioning hole 2031 and is screwed into the embedding groove 10a, thereby efficiently and conveniently implementing the assembly operation of the soft light plate 203 on the lamp body 201, effectively improving the adjustment range of the distance between the soft light plate 203 and the lamp body 201, and enhancing the firmness of the assembly through the adsorption connection with the magnet 30. Of course, in other embodiments, only the opposite upper ends of the outer peripheral wall of the insertion portion 21 may be provided with screw threads for facilitating the screw connection with the positioning holes 2031 of the soft light plate 203, while the opposite lower peripheral wall of the insertion portion 21 is smooth, so that the insertion portion can be directly aligned and inserted into the insertion groove 10a, and the magnet 30 can be used for performing the adsorption connection, thereby achieving convenient and efficient assembling and disassembling operation.

In some other embodiments, the connection assembly 100 further includes a fixing post 40, the positioning post 20 also includes a clamping portion 22 coaxially arranged with the embedding portion 21, the clamping portion 22 is clamped at the hole of the positioning hole 2031 of the soft light plate 203, the embedding portion 21 is suspended at the bottom side end of the soft light plate 203 after passing through the positioning hole 2031, and the upper end 41 of the fixing post 40 is used for being in threaded connection or clamping connection with the embedding portion 21 of the positioning post 20, so that the soft light plate 203 can be fixed between the positioning post 20 and the fixing post 40, so as to fix the soft light plates 203 with different thicknesses, thereby effectively improving the adaptability of the connection assembly 100. The lower end 42 of the fixing post 40 can be inserted into the insertion groove 10a and is attached to the magnet 30, so that a convenient and efficient assembly operation can be realized. Specifically, the upper end 41 and the lower end 42 of the fixing post 40 are also coaxially arranged, the diameter of the upper end 41 is larger than that of the lower end 42, the upper end 41 is further provided with an embedded groove 40a, the embedded portion 21 of the positioning post 20 is in threaded connection or is clamped in the embedded groove 40a, and the peripheral wall of the lower end 42 is smooth, so that the fixing post can be directly aligned and embedded in the embedded groove 10a, and is in adsorption connection with the magnet 30.

The specific assembly process is as follows: during assembly, the 4 positioning columns 20 or the 4 positioning columns 20 and the fixing columns 40 assembled into a whole can be preassembled on the soft light plate 203, so that not only can the loss be effectively prevented, but also the subsequent assembly efficiency can be effectively improved, then the 4 support columns 10 are screwed on the frame 2011 of the lamp body 10 through screws and fixed to the required height, of course, the 4 support columns 10 can also be screwed on the frame 2011 in advance to prevent the loss, then the assembling height of the support columns 10 on the frame 2011 can be adjusted according to the actual requirement, and then the 4 positioning columns 20 or the 4 fixing columns 40 assembled into a whole with the positioning columns 20 on the soft light plate 203 are accurately embedded in the corresponding embedded grooves 10a of the 4 support columns 10 in an aligned manner, and each positioning column 20 or each fixing column 40 is tightly adsorbed on the corresponding support column 10 through the attraction force of the magnet 30 in each embedded groove 10|a, so that the soft light plate 203 is firmly and stably loaded on the lamp body 201, and the required soft light effect is obtained; and when the detachable type door is detached, only reverse operation is needed.

Compared with the prior art, the connecting assembly 100 disclosed by the utility model comprises the support column 10 and the positioning column 20 which are in scarf joint, and the support column 10 is connected to the lamp body 201 of the panel lamp 200 in a threaded manner, the positioning column 20 is detachably connected to the soft light plate 203, the scarf joint end of one of the support column 10 and the positioning column 20 is provided with the embedding groove 10a, the scarf joint end of the other one of the support column 10 and the positioning column 20 is provided with the embedding part 21 which is in scarf joint with the embedding groove 10a, and the end part of the embedding part 21 or the embedding groove 10a is also provided with the magnet 30, so that during assembly, the positioning column 20 and the support column 10 are in scarf joint with the embedding groove 10a through the alignment of the embedding part 21 and are adsorbed and fixed through the magnet 30, thereby the soft light plate 203 is conveniently and rapidly assembled on the lamp body 201, the assembly is different from the prior screw fixation, the assembly is efficient and rapid, the assembly process is convenient, the assembling process is effectively simplified, and the convenience and the timeliness of the panel lamp 200 in use are greatly improved; in addition, the distance between the soft light plate 203 and the light source of the panel light 200 can be adjusted by rotating the support column 20, so as to obtain different soft light effects and effectively improve the adaptability of the panel light 200; in addition, when the light emitting end of the light source module 2013 of the panel lamp 200 is provided with the lens 2015, the soft light plate 203 is detachably arranged at the light emitting end of the lamp body 201, namely, is covered outside the lens 2015, so that the light condensation and the soft light effect can be efficiently and conveniently converted, and the problem that the soft light and the light condensation of the existing panel lamp 200 cannot be combined is solved; moreover, the size of the soft light plate 203 corresponds to the size of the light emitting end of the lamp body 201, so that the distance between the light emitting ends of the adjacent panel lamps 200 during splicing can be effectively eliminated, seamless butt joint is realized, and a better light emitting effect is obtained.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the scope of the claims, which follow, as defined in the claims.

Claims (10)

1. The utility model provides a coupling assembling, is used for the assembly of soft board on the lamp body of panel light, its characterized in that, coupling assembling includes scarf joint support column and reference column, support column threaded connection is on the lamp body of panel light, reference column detachably connects on soft board, the support column with the scarf joint end of either one of reference column is equipped with the embedding groove, the scarf joint end of the other one be equipped with the embedding groove scarf joint complex embedding portion, just the tip of embedding portion or still be equipped with magnet in the embedding groove for with the embedding portion adsorb to be fixed in the embedding groove, make soft board parallel and spaced apart ground assembly in the light-emitting end of lamp body, just soft board's size dimension corresponds with the size dimension of the light-emitting end of lamp body.

2. The connection assembly according to claim 1, wherein the engagement end of the support column is provided with the insertion groove, the engagement end of the positioning column has an insertion portion matching the shape of the insertion groove, and the magnet is bonded in the insertion groove and corresponds to the shape of the insertion portion or the shape of the insertion groove.

3. The connection assembly of claim 2, wherein the support post has a length that is greater than a length of the positioning post.

4. The connection assembly according to claim 2, wherein the support column includes an upper cylindrical portion and a lower cylindrical portion coaxially arranged, the diameter of the upper cylindrical portion is larger than that of the lower cylindrical portion, the top wall of the upper cylindrical portion is recessed toward the bottom wall thereof to form the fitting groove, and the outer peripheral wall of the lower cylindrical portion is provided with a screwing thread.

5. The connection assembly according to claim 2, wherein the positioning column further comprises a clamping portion coaxially arranged with the embedded portion, a screwing thread is provided on the whole peripheral wall of the embedded portion, on the opposite upper end of the peripheral wall or on the opposite lower end of the peripheral wall, the opposite upper end of the embedded portion is in threaded connection with or rotatably penetrates through the positioning hole of the soft light plate, the clamping portion is rotatably clamped at the hole opening of the positioning hole, and the opposite lower end of the embedded portion penetrates through the positioning hole and then is in threaded connection with the embedded groove and can be in adsorption connection with the magnet.

6. The connection assembly according to claim 2, further comprising a fixing post, wherein the positioning post further comprises a clamping portion coaxially arranged with the embedding portion, the clamping portion is clamped at an orifice of the positioning hole of the soft light plate, the embedding portion passes through the positioning hole and then is suspended at the bottom side end of the soft light plate, the upper end portion of the fixing post is in threaded connection or clamping connection with the embedding portion, and the lower end portion of the fixing post is embedded into the embedding groove and is in adsorption connection with the magnet.

7. The utility model provides a panel light, its characterized in that, panel light includes lighting fixture, lamp body and soft light board, the lamp body is detachably install on the lighting fixture, and can rotate relative the lighting fixture, the lamp body includes the frame, detachably install in radiator on the frame and be in the light source module and the power supply controller of spaced arrangement in the opposite side at the top and bottom of radiator, the power supply controller with the light source module electricity is connected, is used for the power supply of light source module and control the colour temperature and the luminance of the light source of light source module, the light-emitting end of light source module has arranged the lens, soft light board is detachably assembled in on the frame through coupling assembling to cover locates the outside of lens, coupling assembling is as in any one of claims 1 to 6.

8. The panel light of claim 7, wherein the number of the connection assemblies is at least two, and at least two of the connection assemblies are symmetrically arranged on the left and right opposite sides or/and front and rear opposite sides of the soft light panel and the frame.

9. The panel light according to claim 7, wherein each vertex angle of the bottom side end of the frame is respectively provided with a splicing block, the splicing blocks are provided with two outer side walls which are corresponding and flush with two side edges of the vertex angle, and the two outer side walls are respectively provided with a splicing hole and/or a splicing column for splicing with the adjacent panel light.

10. The panel light of claim 9, wherein a positioning boss is further provided at a central position of the bottom wall of the splice block, the positioning boss being relatively thin at an upper end connected to the splice block and relatively thick at a lower end relatively far from the splice block.