COB (Chip On Board) soft light bar
By introducing a heat dissipation fixing device and an auxiliary sealing device into the COB flexible LED strip, the problems of heat dissipation and impurity protection are solved, thereby improving the working capacity and practicality of the LED strip.
Patent Information
- Application Number
- CN202520735766.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-17
AI Technical Summary
Existing COB flexible LED strips suffer from problems such as difficulty in heat dissipation, inconvenience in fixing, and easy passage of external impurities through the wiring holes, resulting in reduced workability and practicality.
A heat dissipation fixing device and an auxiliary sealing device were designed, including an input fan, an output fan, a partition, a fixing component, a plug cone, a screw, and an elastic rubber block. Through the cooperation of these structures, heat can be discharged and the wiring holes can be sealed.
It improves the working capability of COB flexible LED strips, reduces the possibility of overheating damage, enhances protection against external impurities, and improves practicality.
Smart Images

Figure CN223909453U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of lamps and lanterns, specifically relates to a COB soft light bar. BACKGROUND
[0002] Lamps and lanterns refer to the lamps and lanterns that can transmit light, distribute and change the light distribution of light sources, and all the parts required for fixing and protecting the light sources, as well as the necessary line accessories connected with the power supply.
[0003] Chinese patent application No. 201922184118.5 discloses a spotlight COB soft light strip, which belongs to the technical field of soft light strips and comprises a soft light strip body, a lamp holder connected to one side of the soft light strip body, a wiring hole formed in one side of the lamp holder, a flexible circuit board and an FPC plate installed in the middle of the inside of the soft light strip body, a wire layer connected to the bottom of the FPC plate, and a heat sink connected to the bottom of the wire layer. The spotlight COB soft light strip is provided with a light-transmitting silicone strip and a dead bead, and the light-transmitting silicone strip and the dead bead are arranged on the outer surface of the chip. In the chip process, the light-transmitting silicone strip is first covered with a heat-conducting epoxy resin, then the light-transmitting silicone strip is directly placed on the surface of the substrate, and heat treatment is performed until the light-transmitting silicone strip is firmly fixed on the substrate. Subsequently, a silk welding method is used to establish an electrical connection between the silicon wafer and the substrate, and the light-transmitting silicone strip is covered to ensure stability. The process is reduced, and the cost is also reduced.
[0004] 1. The above-mentioned disclosed patent has the problems of difficulty in discharging heat from the inside of the soft light strip body and inconvenience in fixing the soft light strip body, thereby reducing the working capacity of the soft light strip; 2. The above-mentioned disclosed patent has the problem that foreign matter from the outside can easily pass through the wiring hole, thereby reducing the practicability of the soft light strip. Utility model content
[0005] To solve the problems in the above background art, the utility model provides a COB soft light bar, which has the characteristics of high working capacity and strong practicability.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a COB soft light bar, which comprises a soft light strip body, a circuit board assembly fixedly installed on the inner side of the soft light strip body, a lamp bead fixedly installed above the circuit board assembly, a lamp holder fixedly installed on one side of the soft light strip body, a wiring hole formed in the inner side of the lamp holder, a heat dissipation fixing device fixedly installed on the side of the soft light strip body away from the lamp holder, and an auxiliary sealing device arranged on the outer side of the lamp holder.
[0007] Preferably, the heat dissipation fixing device comprises a fixing box, an input fan, a screen, a fixing assembly and an output fan, the fixing box is fixedly installed on the side of the soft lamp strip body away from the lamp holder, the input fan is fixedly installed above the fixing box, the output fan is fixedly installed below the fixing box, the screen is fixedly installed on the side away from the fixing box of the input fan wind inlet end and the output fan wind outlet end, and the fixing assembly is arranged on the side of the fixing box away from the lamp holder.
[0008] Preferably, the fixing assembly comprises a screw rod, a connecting barrel, a plug cone and a lifting plate, the connecting barrel is arranged on the side of the fixing box away from the lamp holder, the screw rod is threadedly installed at a central position of the connecting barrel, the lifting plate is installed below the screw rod and on the inner side of the connecting barrel through a bearing, and the plug cone is fixedly installed below the lifting plate.
[0009] Preferably, the fixing assembly further comprises a threaded block, and the threaded block is fixedly installed on the side of the fixing box close to the connecting barrel.
[0010] Preferably, the auxiliary sealing device comprises a first elastic rubber block, a second elastic rubber block, a moving plate and a lead screw, the second elastic rubber block is fixedly installed on the side of the lamp holder away from the soft lamp strip body, the lead screw is installed above the lamp holder through a bearing, the moving plate is installed on the outer side of the lead screw through a thread, and the first elastic rubber block is fixedly installed below the moving plate and above the second elastic rubber block.
[0011] Preferably, the auxiliary sealing device further comprises a guide rod, and the guide rod is fixedly installed above the lamp holder and on the side of the lead screw.
[0012] Compared with the prior art, the heat dissipation fixing device of the utility model has the beneficial effects that:
[0013] 1、The heat dissipation fixing device is arranged, so that the staff can discharge the heat in the soft lamp strip body through the cooperation of the input fan and the output fan and other structures when needed, thereby reducing the possibility of overheating damage, and the staff can fix the position of the soft lamp strip body and other structures through the cooperation of the plug cone and the screw rod and other structures when needed, thereby improving the working capacity of the soft lamp.
[0014] 2、The heat dissipation fixing device is arranged, so that the staff can assist in sealing the wiring hole through the cooperation of the first elastic rubber block and the second elastic rubber block and other structures when needed, thereby reducing the possibility of foreign matter passing through the wiring hole, and thereby improving the practicability of the soft lamp. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a perspective view of the utility model;
[0016] Figure 2A sectional view of the three-dimensional heat dissipation fixing device of the utility model;
[0017] Figure 3 A sectional view of the three-dimensional heat dissipation fixing device of the utility model;
[0018] Figure 4 A sectional view of the three-dimensional heat dissipation fixing device of the utility model;
[0019] In the drawing: 1, soft light strip main body; 2, heat dissipation fixing device; 21, fixed box; 22, input fan; 23, screen; 24, fixed assembly; 241, screw rod; 242, connecting barrel; 243, plug cone; 244, lifting plate; 245, threaded block; 25, output fan; 3, circuit board assembly; 4, lamp bead; 5, lamp holder; 6, auxiliary sealing device; 61, first elastic rubber block; 62, second elastic rubber block; 63, moving plate; 64, guide rod; 65, screw rod; 7, wiring hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Embodiment 1
[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a COB soft light bar, including soft light strip main body 1, the inner side fixed mounting of soft light strip main body 1 has circuit board assembly 3, the upper fixed mounting of circuit board assembly 3 has lamp bead 4, the side fixed mounting of soft light strip main body 1 has lamp holder 5, the inner side of lamp holder 5 is set up wiring hole 7, the side fixed mounting of soft light strip main body 1 away from lamp holder 5 has heat dissipation fixing device 2, and the outer side of lamp holder 5 is provided with auxiliary sealing device 6.
[0023] Specifically, heat dissipation fixing device 2 includes fixed box 21, input fan 22, screen 23, fixed assembly 24 and output fan 25, and the side fixed mounting of soft light strip main body 1 away from lamp holder 5 has fixed box 21, the upper fixed mounting of fixed box 21 has input fan 22, and the lower fixed mounting of fixed box 21 has output fan 25, and the side fixed mounting of input fan 22 air inlet end and output fan 25 air outlet end away from fixed box 21 has screen 23, and the side setting of fixed box 21 away from lamp holder 5 has fixed assembly 24.
[0024] Through the above technical scheme, the staff can discharge the heat in the soft light strip body 1 when needed through the cooperation of the input fan 22 and the output fan 25 and other structures, thereby reducing the possibility of overheating damage.
[0025] Specifically, the fixing assembly 24 includes a screw rod 241, a connecting cylinder 242, a plug cone 243, and a lifting plate 244. The connecting cylinder 242 is arranged on the side of the fixing box 21 away from the lamp holder 5. The screw rod 241 is threadedly installed at the central position of the connecting cylinder 242. The lifting plate 244 is installed on the lower side of the connecting cylinder 242 through a bearing. The plug cone 243 is fixedly installed on the lower side of the lifting plate 244.
[0026] Through the above technical scheme, the staff can fix the position of the soft light strip body 1 and other structures when needed through the cooperation of the plug cone 243 and the screw rod 241 and other structures, thereby better meeting the needs of lighting work.
[0027] Specifically, the fixing assembly 24 further includes a threaded block 245. The threaded block 245 is fixedly installed on the side of the fixing box 21 close to the connecting cylinder 242.
[0028] Through the above technical scheme, the staff can connect or separate the fixing box 21 and the connecting cylinder 242 when needed through the threaded block 245, thereby facilitating the staff to disassemble and assemble the connecting cylinder 242 and the structures thereon, and reducing the labor burden of the staff.
[0029] When the COB soft light is needed during use of the embodiment, the staff rotates the screw rod 241 in the fixing assembly 24 of the heat dissipation fixing device 2. The screw rod 241 is threadedly connected with the connecting cylinder 242. The screw rod 241 is bearing-connected with the lifting plate 244. The outer side of the lifting plate 244 and the inner side of the connecting cylinder 242 are mutually attached. Therefore, the screw rod 241 drives the lifting plate 244 and each plug cone 243 below it to descend. The lower end of the plug cone 243 needs to be lower than the output fan 25. Then the staff inserts each plug cone 243 into the working position and connects the wires through the wire hole 7 in the lamp holder 5 for power supply. The lamp beads 4 on the circuit board assembly 3 emit light, thereby being used. In addition, the soft light sends the air filtered by the screen 23 into the top inner side of the fixing box 21 through the input fan 22. Then the air enters the soft light strip body 1. The air carrying the heat in the soft light strip body 1 passes through the bottom inner side of the fixing box 21, the output fan 25, and the screen 23 thereon to be discharged, thereby reducing the possibility of overheating damage. The threaded block 245 plays a role of connecting and installing.
[0030] Embodiment 2
[0031] The embodiment differs from embodiment 1 in that the auxiliary closing device 6 comprises a first elastic rubber block 61, a second elastic rubber block 62, a moving plate 63 and a lead screw 65, the second elastic rubber block 62 is fixedly installed on the side of the lamp holder 5 away from the soft lamp strip body 1, the lead screw 65 is installed on the upper side of the lamp holder 5 through a bearing, the moving plate 63 is installed on the outer side of the lead screw 65 through a thread, and the first elastic rubber block 61 is fixedly installed on the lower side of the moving plate 63 and above the second elastic rubber block 62.
[0032] Through the above technical scheme, the worker can assist in closing the wiring hole 7 through the cooperation of the first elastic rubber block 61 and the second elastic rubber block 62 and other structures when needed, thereby reducing the possibility of foreign matter passing through the wiring hole 7.
[0033] Specifically, the auxiliary closing device 6 further comprises a guide rod 64, and the guide rod 64 is fixedly installed on the upper side of the lamp holder 5 and on one side of the lead screw 65.
[0034] Through the above technical scheme, the structure can guide the movement of the moving plate 63 through the guide rod 64, thereby preventing the moving plate 63 from rotating and deviating during movement, and further ensuring the normal operation of the work.
[0035] When the embodiment is used, during wiring, the worker rotates the lead screw 65 in the auxiliary closing device 6, the lead screw 65 is threadedly connected with the moving plate 63, and the moving plate 63 is slidingly connected with the guide rod 64, so that the lead screw 65 drives the moving plate 63 and the first elastic rubber block 61 below it to rise, so that the wiring hole 7 is no longer closed, and then the worker wires through the wiring hole 7, and then reversely rotates the lead screw 65, thereby driving the first elastic rubber block 61 to descend, and further cooperating with the second elastic rubber block 62 to clamp the electric wire, the first elastic rubber block 61 and the second elastic rubber block 62 elastically deform to tightly adhere to the electric wire, thereby assisting in closing the wiring hole 7, thereby reducing the possibility of foreign matter passing through the wiring hole 7.
[0036] The structure and principle of the soft lamp strip body 1, the circuit board assembly 3 composed of resistance, light-transmitting silica gel strip, anti-dead bead, flexible circuit board, FPC board, wire layer, heat sink, chip and reflection groove, lamp bead 4, lamp holder 5 and wiring hole 7 in the utility model have been disclosed in a spotlight COB soft lamp strip with Chinese patent application number 201922184118.5, and the working principle is that firstly, the outer surface of the chip is provided with a light-transmitting silica gel strip and an anti-dead bead, the chip process is firstly to cover the light-transmitting silica gel strip on the chip surface with a heat-conducting epoxy resin, then the light-transmitting silica gel strip is directly placed on the substrate surface, and heat treatment is performed until the light-transmitting silica gel strip is firmly fixed on the substrate, then a silk welding method is used to establish an electrical connection between the silicon wafer and the substrate, and the light-transmitting silica gel strip is covered to ensure stability, and the user can normally use the spotlight COB soft lamp strip after connecting the power supply, in the use process, the reflection groove is arranged below the inside of the soft lamp strip body, the light source of the soft lamp strip is gathered through the reflection groove, the integrated linear light source, the heat sink can be arranged at the bottom of the wire layer, the spotlight COB soft lamp strip is cooled through the heat sink, when the user disassembles and installs, the lamp holder can be disassembled and installed.
[0037] The working principle and use process of the utility model are as follows: when the COB soft lamp needs to be used, the staff rotates the screw rod 241 in the fixed assembly 24 of the heat dissipation fixing device 2, the screw rod 241 is in threaded connection between the connecting barrel 242, the screw rod 241 is in bearing connection between the lifting plate 244, and the outside of the lifting plate 244 and the inside of the connecting barrel 242 are mutually attached, so the screw rod 241 drives the lifting plate 244 and each plug cone 243 below to descend, the lower end of the plug cone 243 needs to be lower than the output fan 25, and then the staff inserts each plug cone 243 into the working position, carries out wiring power supply through the wiring hole 7 in the lamp holder 5, the lamp bead 4 on the circuit board assembly 3 emits light, thereby using, in addition, the soft lamp sends the air filtered through the screen 23 into the top inside of the fixed box 21 through the input fan 22, and then the air enters the soft lamp belt body 1, then the air carries the heat in the soft lamp belt body 1 and passes through the bottom inside of the fixed box 21, the output fan 25 and the screen 23 above it and is discharged, thereby reducing the possibility of overheating damage phenomenon, and the threaded block 245 plays the role of connecting installation; when wiring, the staff rotates the screw rod 65 in the auxiliary sealing device 6, the screw rod 65 is in threaded connection between the moving plate 63, and the moving plate 63 is in sliding connection between the guide rod 64, so the screw rod 65 drives the moving plate 63 and the first elastic rubber block 61 below to ascend, so that the wiring hole 7 is no longer closed, and then the staff carries out wiring through the wiring hole 7, and then reversely rotates the screw rod 65, thereby driving the first elastic rubber block 61 to descend, and then cooperating the second elastic rubber block 62 clamps the wire, the first elastic rubber block 61 and the second elastic rubber block 62 are elastically deformed and tightly attached to the wire, thereby assisting the sealing of the wiring hole 7, thereby reducing the possibility of foreign matter passing through the wiring hole 7.
[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A COB flexible LED strip, comprising a flexible LED strip body (1), wherein a circuit board assembly (3) is fixedly installed on the inner side of the flexible LED strip body (1), an LED bead (4) is fixedly installed on the top of the circuit board assembly (3), and a lamp holder (5) is fixedly installed on one side of the flexible LED strip body (1), wherein a wiring hole (7) is provided on the inner side of the lamp holder (5), characterized in that: The soft lamp strip body (1) is fixedly installed with a heat dissipation fixing device (2) on the side away from the lamp head (5), and the outer side of the lamp head (5) is provided with an auxiliary sealing device (6). 2.The COB soft light bar of claim 1, wherein: The heat dissipation fixing device (2) comprises a fixing box (21), an input fan (22), a separation net (23), a fixing assembly (24) and an output fan (25), the soft lamp strip body (1) is fixedly installed with the fixing box (21) on the side away from the lamp head (5), the upper portion of the fixing box (21) is fixedly installed with the input fan (22), the lower portion of the fixing box (21) is fixedly installed with the output fan (25), the input fan (22) and the output fan (25) are fixedly installed with the separation net (23) on the side away from the fixing box (21), and the fixing assembly (24) is arranged on the side away from the lamp head (5) of the fixing box (21).
3. The COB soft light bar according to claim 2, characterized in that: The fixing assembly (24) comprises a screw rod (241), a connecting barrel (242), a plug cone (243) and a lifting plate (244), the connecting barrel (242) is arranged on the side away from the lamp head (5) of the fixing box (21), the screw rod (241) is threadedly installed at the central position of the connecting barrel (242), the lifting plate (244) is installed on the lower portion of the screw rod (241) and inside the connecting barrel (242) through a bearing, and the plug cone (243) is fixedly installed on the lower portion of the lifting plate (244).
4. The COB soft light bar according to claim 3, characterized in that: The fixing assembly (24) further comprises a threaded block (245), and the threaded block (245) is fixedly installed on the side close to the connecting barrel (242) of the fixing box (21).
5. The COB soft light bar according to claim 1, characterized in that: The auxiliary sealing device (6) comprises a first elastic rubber block (61), a second elastic rubber block (62), a moving plate (63) and a lead screw (65), the second elastic rubber block (62) is fixedly installed on the side away from the soft lamp strip body (1) of the lamp head (5), the lead screw (65) is installed on the upper portion of the lamp head (5) through a bearing, the moving plate (63) is installed on the outer side of the lead screw (65) through a thread, and the first elastic rubber block (61) is fixedly installed on the lower portion of the moving plate (63) and above the second elastic rubber block (62).
6. The COB soft light bar according to claim 5, characterized in that: The auxiliary sealing device (6) further comprises a guide rod (64), and the guide rod (64) is fixedly installed on the upper portion of the lamp head (5) and on the side of the lead screw (65).
Citation Information
Patent Citations
Condensation type COB soft lamp strip
CN210831518U