CN220205462U - Light projector - Google Patents
Light projector Download PDFInfo
- Publication number
- CN220205462U CN220205462U CN202321642440.8U CN202321642440U CN220205462U CN 220205462 U CN220205462 U CN 220205462U CN 202321642440 U CN202321642440 U CN 202321642440U CN 220205462 U CN220205462 U CN 220205462U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- flexible circuit
- backshell
- projector
- spacing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008054 signal transmission Effects 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 239000005341 toughened glass Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 239000011049 pearl Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000011324 bead Substances 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a projector, which comprises a rear shell, wherein brackets are arranged on two sides of the rear shell, toughened glass is adhered on the rear shell, a lamp body is arranged in the rear shell, the lamp body comprises a flexible circuit board, the flexible circuit board is fixedly connected with the end face of the rear shell, a power supply circuit and a signal transmission circuit are arranged on one end face of the flexible circuit board, a plurality of LED lamp beads are arranged on the power supply circuit and the signal transmission circuit, the power supply circuit and the signal transmission circuit are electrically connected with the LED lamp beads, the flexible circuit board is adopted in the projector, the heat conduction path is reduced, the thermal resistance is reduced, the heat dissipation performance is improved, and the service life of the projector is prolonged.
Description
Technical Field
The utility model relates to a projection lamp.
Background
For example, the patent application number is CN201320384743.4, the name is an LED projection lamp, which comprises a lamp body, a bracket and a power supply box, wherein a metal substrate is arranged in the lamp body, a plurality of LED lamp beads are arranged on the metal substrate, and a heat-conducting insulating medium is clamped between the metal substrate and a rear cover of the lamp body; in the above patent and in real life applications, the metal substrate containing the LED is mainly used as a power supply, and the overall heat conduction path is long, so that the heat conduction and heat dissipation of the LED are caused.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the projection lamp, wherein the flexible circuit board is adopted in the projection lamp, so that the heat conduction path is reduced, the thermal resistance is reduced, the heat radiation performance is improved, and the service life of the projection lamp is prolonged.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a projecting lamp, includes the backshell, the support is installed to the backshell both sides, the bonding has toughened glass on the backshell, be provided with the lamp body in the backshell, the lamp body includes flexible circuit board, flexible circuit board and backshell terminal surface fixed connection, flexible circuit board one end face is provided with power supply circuit and signal transmission circuit, power supply circuit and signal transmission are equipped with a plurality of LED lamp pearls on the circuit, power supply circuit and signal transmission circuit are connected with LED lamp pearl electricity.
Further, the flexible circuit board comprises a conductive copper foil layer and an insulating heat dissipation layer.
Further, the flexible circuit board and the end face of the rear shell are sealed and bonded through heat-conducting glue.
Further, the back shell is internally provided with a limiting assembly corresponding to the flexible circuit board, the limiting assembly comprises a first limiting frame, the first limiting frame is fixedly connected with the back shell, the middle upper part of the first limiting frame extends inwards to form a protruding portion, the first limiting frame is far away from the inner wall of the back shell and is provided with a clamping groove, the protruding portion is provided with a plurality of movably connected resisting blocks, and the upper end of the resisting block is provided with a clamping block clamped with the clamping groove mutually, so that the flexible circuit board is limited in a first frame.
Further, the threading hole is formed in the side edge of the first frame.
Further, the back of the back shell is fixedly provided with the radiating fin, the radiating fin is formed by integrally forming metal sheets, the radiating fin comprises a plurality of rectangular bulges which are arranged in parallel, a fixing bottom plate which is parallel to the rectangular bulges is arranged between the rectangular bulges, the fixing bottom plate is fixedly arranged on the outer side wall of the bottom of the back shell, and an air duct is formed between the inner side of the rectangular bulges and the outer side wall of the bottom of the back shell.
The utility model has the beneficial effects that:
1. at present, a metal substrate is usually adopted on a projection lamp, and a flexible circuit board is adopted in the application, so that the overall heat conduction path is reduced, the thermal resistance is reduced, the heat dissipation performance is improved, and the flexible circuit board is made of flexible materials, has good bending degree, and can be attached to a rear shell or can be adapted to rear shells of various shapes.
2. Sealing bonding between flexible circuit board and the backshell is provided with spacing subassembly on the backshell in order to further strengthen the connection fastness of flexible circuit board and backshell, spacing subassembly can restrict flexible circuit board periphery, and spacing subassembly can dismantle the replacement.
Drawings
FIG. 1 is a schematic perspective view of a projector;
FIG. 2 is an exploded view of a projector;
FIG. 3 is a schematic diagram of a flexible circuit board;
FIG. 4 is a cross-sectional view of a second exemplary embodiment of a spacing assembly coupled to an adhesive lamp body;
FIG. 5 is a cross-sectional view of a spacing assembly of a second embodiment coupled to a non-adhesive lamp body;
FIG. 6 is a front view of the rear housing of the second embodiment;
FIG. 7 is a diagram of a flexible circuit board heat transfer path;
fig. 8 is a diagram of a heat transfer path of a prior art aluminum substrate.
Reference numerals: 2. a rear case; 3. a bracket; 4. tempered glass; 5. a lamp body; 51. a flexible circuit board; 511. a conductive copper foil layer; 512. an insulating heat dissipation layer; 52. LED lamp beads; 6. a limit component; 61. a first limiting frame; 611. a clamping groove; 612. a threading hole; 62. a boss; 63. a stopper; 631. a clamping block; 7. a heat sink.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 3 and fig. 7 to 8, the projection lamp provided in embodiment 1 of the present utility model includes a rear housing 2, and brackets 3 are mounted on two sides of the rear housing 2, so as to facilitate support and angle adjustment of the projection lamp; the toughened glass 4 is adhered to the rear shell 2, the lamp body 5 is arranged in the rear shell 2, the lamp body 5 comprises a flexible circuit board 51, the flexible circuit board 51 comprises a conductive copper foil layer 511 and an insulating heat dissipation layer 512, the insulating heat dissipation layer 512 is fixedly connected with the end face of the rear shell 2, the end face of the insulating heat dissipation layer 512 of the sealing flexible circuit board 51 is flatly attached to the rear shell 2 through heat conducting glue, a power supply circuit and a signal transmission circuit are arranged on the flexible circuit board 51, a plurality of LED lamp beads 52 are arranged on the power supply circuit and the signal transmission circuit, the power supply circuit and the signal transmission circuit are electrically connected with the LED lamp beads 52, and compared with the prior art, the flexible circuit board 51 is adopted, the heat conduction path is reduced, and the thermal resistance is reduced;
the back of the rear shell 2 is fixedly provided with radiating fins 7, the radiating fins 7 are formed by integrally forming metal sheets, each radiating fin 7 comprises a plurality of rectangular bulges which are arranged in parallel, a fixing bottom plate which is parallel to the rectangular bulges is arranged between the rectangular bulges, the fixing bottom plate is fixedly arranged on the outer side wall of the bottom of the rear shell 2, a ventilating duct is formed between the inner side of each rectangular bulge and the outer side wall of the bottom of the rear shell 2, the radiating performance is improved, and the service life of the projection lamp is prolonged.
Referring to fig. 4 to 5, embodiment 2 of the present utility model is substantially the same as embodiment 1 except that: because the flexible circuit board 51 is easy to fall off after long-time use in an adhesive manner, the limiting component 6 is arranged in the rear shell 2 and corresponds to the flexible circuit board 51, the limiting component 6 can be detached and replaced, the limiting component 6 comprises a first limiting frame 61, the first limiting frame 61 is fixedly connected with the rear shell 2, the size of the first limiting frame 61 is matched with that of the flexible circuit board 51, the flexible circuit board 51 is placed in the first limiting frame 61, the upper middle part of the first limiting frame 61 inwards extends to form a protruding part 62, the first limiting frame 61 is far away from the rear shell 2 and is internally provided with a clamping groove 611, the protruding part 62 is provided with a plurality of movably connected resisting blocks 63, the upper ends of the resisting blocks 63 are provided with clamping blocks 631 which are mutually clamped with the clamping grooves 611, the edge of the flexible circuit board 51 is abutted between the bottom end of the resisting blocks 63 and the rear shell 2 through the clamping connection of the clamping blocks 631 and the clamping grooves 611, the tightness of the flexible circuit board 51 and the rear shell 2 is enhanced, and the side edge of the first frame is provided with threading holes 612 which are convenient for the line to penetrate;
the end surface of the blocking block 63 far away from the clamping groove 611 is provided with a bayonet, and the bayonet is convenient for the fingers of a person to hook and pull upwards to separate the clamping groove 611 from the clamping block 631.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (6)
1. The utility model provides a projecting lamp, includes backshell (2), support (3) are installed to backshell (2) both sides, the bonding has toughened glass (4), its characterized in that on backshell (2): be provided with lamp body (5) in backshell (2), lamp body (5) include flexible circuit board (51), flexible circuit board (51) and backshell (2) terminal surface fixed connection, flexible circuit board (51) one end is provided with power supply circuit and signal transmission circuit, be equipped with a plurality of LED lamp pearls (52) on power supply circuit and the signal transmission circuit, power supply circuit and signal transmission circuit are connected with LED lamp pearl (52) electricity.
2. The projector of claim 1, wherein: the flexible circuit board (51) includes a conductive copper foil layer (511) and an insulating heat dissipation layer (512).
3. The projector of claim 2, wherein: the flexible circuit board (51) is sealed and bonded with the end face of the rear shell (2) through heat conducting glue.
4. A light projector as claimed in claim 2 or 3, characterized in that: the utility model discloses a flexible circuit board, including backshell (2), flexible circuit board (51) are provided with spacing subassembly (6), spacing subassembly (6) are including first spacing (61), first spacing (61) and backshell (2) fixed connection, upper portion inwards extends and forms bellying (62) in first spacing (61), backshell (2) inner wall is kept away from to first spacing (61) is provided with draw-in groove (611), bellying (62) are provided with a plurality of swing joint's block (63), block (63) upper end sets up fixture block (631) with draw-in groove (611) looks joint, restrict flexible circuit board (51) in first frame.
5. The projector of claim 4, wherein: threading holes (612) are formed in the side edges of the first limiting frames (61).
6. The projector of claim 3 or 5, wherein: the back of the back shell (2) is fixedly provided with radiating fins (7), the radiating fins (7) are formed by integrally formed metal sheets, each radiating fin (7) comprises a plurality of rectangular bulges arranged in parallel, a fixing bottom plate parallel to the rectangular bulges is arranged between the rectangular bulges, the fixing bottom plate is fixedly arranged on the outer side wall of the bottom of the back shell (2), and an air duct is formed between the inner side of each rectangular bulge and the outer side wall of the bottom of the back shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642440.8U CN220205462U (en) | 2023-06-27 | 2023-06-27 | Light projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321642440.8U CN220205462U (en) | 2023-06-27 | 2023-06-27 | Light projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220205462U true CN220205462U (en) | 2023-12-19 |
Family
ID=89137642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321642440.8U Active CN220205462U (en) | 2023-06-27 | 2023-06-27 | Light projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220205462U (en) |
-
2023
- 2023-06-27 CN CN202321642440.8U patent/CN220205462U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110806651A (en) | LED backlight plate | |
| CN212901155U (en) | Novel LED projecting lamp of high-efficient radiating | |
| CN220205462U (en) | Light projector | |
| CN112197182B (en) | SMD solid brilliant high-power LED light source structure | |
| CN210155483U (en) | Brightness-adjustable side-entering type backlight module | |
| CN212869468U (en) | Reverse projection lamp | |
| CN210267157U (en) | LED lamp strip with good heat dissipation performance | |
| CN203628310U (en) | High-flux large-emergence-angle LED lamp tube | |
| CN108110078B (en) | Solar cell backboard and solar cell module thereof | |
| CN111025760A (en) | Backlight module and vehicle-mounted display | |
| CN210835506U (en) | LED backlight plate | |
| CN213420673U (en) | PCB circuit board for LED lamp with better heat dissipation performance | |
| CN111271630A (en) | Embedded LED concatenation formula lamp strip | |
| CN218845967U (en) | Lamp tube | |
| CN215061511U (en) | LED photoelectric module assembly with good heat dissipation performance | |
| CN219571670U (en) | Side-emitting COB lamp strip structure | |
| CN217606214U (en) | Protective liquid crystal display module device | |
| CN212276036U (en) | Novel SFP optical module heat radiation structure | |
| CN210958954U (en) | Heat-conducting graphite sheet for mainboard and with fire resistance and high temperature resistance | |
| CN217482647U (en) | Composite stroboscopic lamp | |
| CN212319511U (en) | Side luminous down lamp with good heat dissipation effect | |
| CN209876590U (en) | High heat dissipation line lamp | |
| CN215499717U (en) | Be applied to heat conduction gel piece that motor circuit mainboard easily pasted | |
| CN219269385U (en) | Electronic heat conduction insulating soft silica gel gasket | |
| CN214094399U (en) | Protection structure of LED module and LED module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |