CN206039131U - Miniature LED projector - Google Patents

Abstract

The utility model discloses a miniature LED projector, including the casing, still there are a plurality of electronic component through the soldering welding on the circuit board, specifically be: chip, photoelectric converter, LED lamp, luxuriant and rich with fragrance wet that lens and DMD drive plate, equal and the circuit board electrically connected of electronic component is equipped with a plurality of heating panels around the circuit board, in the base recess of heating panel fixed mounting in the casing. This miniature LED projector, the light source of adoption is the LED lamp to having a heating panel at the fixed mounting all around still of circuit board, effectually distributing heat in the casing through the heating panel, and compare with traditional cooling fan, the efficiency of heating panel is higher, smallly is convenient for install in the organism, makes the life of LED projector improve, and it is lower to bring the end to safeguard with after cost.

Description

A kind of miniature LED projection machine

Technical field

This utility model is related to optical devices technologies field, specially a kind of miniature LED projection machine.

Background technology

The transmission-type projector of early stage is that a kind of be placed on transparent slide is write on glass platform, passes through glass using light Glass platform is irradiated the projector of imaging.This projector is convenient to be write immediately, when being adapted to be explained in classroom, office Use.But nowadays as the development of computer is gradually eliminated, more different types of projectors occur in succession, meet not With environment and the demand of people.

Utility model content

The purpose of this utility model is to provide a kind of mobile phone projectors, with asking for solving to propose in above-mentioned background technology Topic.

For achieving the above object, this utility model provides following technical scheme：A kind of miniature LED projection machine, including casing, The outer surface of the casing is installed with fixed plate, and the two ends of the fixed plate are riveted on the housing of casing, and the one of casing End is installed with USB, and the other end is installed with camera lens, and the camera lens is assembled by support and lens set, described One end of support is riveted in casing, and the other end is fixedly connected with lens set, and the lens set is embedded in the groove of support composition, The inside of casing is installed with circuit board, and the circuit board is suspended vacantly in the cavity of casing by fixed mount, circuit board On multiple electronic components are connected to by soldering also, be chip, optical-electrical converter, LED, luxuriant and rich with fragrance your lens wet and DMD driving plates, institute State electronic component to be electrically connected with circuit board, circuit board is formed around multiple heat sinks, and the heat sink is fixedly mounted on In base recess in casing, the back of casing is provided with folding stand, and the folding stand is assembled by gripper shoe, folded sheet and rotary shaft Form, one end of the gripper shoe is fixedly connected in the groove at casing back by connecting shaft, and gripper shoe is hinged with connecting shaft, The other end of gripper shoe is hinged with one end of rotary shaft, and the rotary shaft is assembled by rolling bearing and rotating shaft, and the two of rotating shaft End is respectively welded at the middle part of rolling bearing, and the opposite side of rotary shaft is hinged with the front end of folded sheet, the folded sheet end Outer surface is provided with slipmat, and slipmat is fixedly bonded on folded sheet.

Preferably, one end of the casing is installed with USB, and USB is solid with chassis cavity by electric wire The circuit board of Dingan County's dress is electrically connected with, and USB can be docked with mobile phone socket.

Preferably, the lens set is made up of Fresnel lens, three layers of eyeglass of convex lenss and plane mirror, and Fresnel lens is arranged on Innermost layer, plane mirror are arranged on outermost layer.

Preferably, the circuit board, optical-electrical converter and LED are powered by external power supply.

Compared with prior art, the beneficial effects of the utility model are：

This miniature LED projection machine, the light source for adopting is for LED, and the surrounding in circuit board is also installed with radiating Plate, can effectively distribute heat in casing by heat sink, and compared with conventional fan radiates, in hgher efficiency, the body of heat sink Product is little to be easy in body, improves the service life of LED projection machine, brings end to safeguard lower with after cost.

Description of the drawings

Fig. 1 is housing construction schematic diagram of the present utility model；

Fig. 2 is internal body element schematic of the present utility model；

Fig. 3 is folding stand structural representation of the present utility model；

Fig. 4 is rotating shaft members structure chart of the present utility model.

In figure：1 casing；2 fixed plates；3 USBs；4 camera lenses；41 supports；42 lens set；5 circuit boards；6 chips；7 light Electric transducer；8 LEDs；9 luxuriant and rich with fragrance wet that lens；10 DMD driving plates；11 heat sinks；12 folding stands；121 connecting shafts；122 rotate Axle；1221 rolling bearings；1222 rotating shafts；123 slipmat；124 gripper shoes；125 folded sheets.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1-4 are referred to, this utility model provides a kind of technical scheme：A kind of miniature LED projection machine, including casing 1, machine The outer surface of shell 1 is installed with fixed plate 2, and the two ends of fixed plate 2 are riveted on the housing of casing 1, and fixed plate 2 fixes handss Machine, prevents mobile phone from sliding, and one end of casing 1 is installed with USB 3, and USB 3 is solid with 1 cavity of casing by electric wire The circuit board 5 of Dingan County's dress is electrically connected with, and USB 3 can be connected with mobile phone socket boil on the nape opposite the mouth, is input into screen by mobile phone, casing 1 The other end is installed with camera lens 4, and camera lens 4 is assembled by support 41 and lens set 42, and one end of support 41 is riveted on casing 1 On, the other end is fixedly connected with lens set 42, and lens set 42 is embedded in the groove of the composition of support 42, and lens set 42 is saturating by screw thread Mirror, three layers of eyeglass composition of convex lenss and plane mirror, Fresnel lens are arranged on innermost layer, and plane mirror is arranged on outermost layer, and screw thread is saturating The effect of mirror is to assemble light, light is projected from Fresnel lens, and the effect of convex lenss is to make image formation by rays, the effect of plane mirror It is to change optical path direction to project on body of wall or projection screen, the inside of casing 1 is installed with circuit board 5, and circuit board 5 passes through Fixed mount is suspended vacantly in the cavity of casing, also has multiple electronic components by soldering on circuit board 5, is chip 6, light Electric transducer 7, LED 8, luxuriant and rich with fragrance wet that lens 9 and DMD driving plates 10, electronic component are electrically connected with circuit board 5, circuit board 5 Be formed around multiple heat sinks 11, heat sink 11 is fixedly mounted in the base recess in casing 1, LED 8 and tradition pressure Mercury lamp bulb is compared, and caloric value is reduced, and the service life of bulb increases, energy-conservation and environmental protection, and the back of casing 1 is provided with folding stand 12, folding stand 12 is assembled by gripper shoe 124, folded sheet 125 and rotary shaft 122, and one end of gripper shoe 124 passes through connecting shaft 121 are fixedly connected in the groove at 1 back of casing, and gripper shoe 124 is hinged with connecting shaft 121, the other end of gripper shoe 124 with turn The side of moving axis 122 is hinged, and rotary shaft 122 is assembled by rolling bearing 1221 and rotating shaft 1222, the two ends of rotating shaft 1222 The middle part of rolling bearing 1221 is respectively welded at, opposite side and the front end of folded sheet 125 of rotary shaft 122 are hinged, folded sheet 125 The outer surface of end is provided with slipmat 123, and slipmat 123 is fixedly bonded on folded sheet 125；This miniature LED projection machine, passes through Mobile phone is connected with USB 3, and the screen file in mobile phone is transmitted the chip 6 to casing 1, is turned digital signal by chip 6 After being changed to the signal of telecommunication, transmitted into DMD driving plates 10 by circuit board 5, light source projects An Intense Beam of Light, through to luxuriant and rich with fragrance wet that lens On 9 and project in DMD driving plates 10, DMD driving plates 10 may be selected light by DMD components, and light is via lens set 42 Integration imaging, imaging is projected on projection screen, this miniature LED projection machine, the folded sheet 12 being provided with by back fixation, The requirement that people throw in screen to different angles can be met, as volume and mobile phone size are thought, be easy to carrying with for people.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of miniature LED projection machine, including casing（1）, it is characterised in that：The casing（1）Outer surface be installed with Fixed plate（2）, the fixed plate（2）Two ends be riveted on casing（1）Housing on, casing（1）One end be installed with USB Socket（3）, the other end is installed with camera lens（4）, the camera lens（4）By support（41）And lens set（42）Assemble, institute State support（41）One end be riveted on casing（1）On, the other end and lens set（42）It is fixedly connected, the lens set（42）It is embedded in Support（41）In the groove of composition, casing（1）Inside be installed with circuit board（5）, the circuit board（5）By fixed mount It is suspended vacantly in the cavity of casing, circuit board（5）On multiple electronic components are connected to by soldering also, be chip（6）, photoelectricity turn Parallel operation（7）, LED（8）, luxuriant and rich with fragrance your lens wet（9）With DMD driving plates（10）, the electronic component is and circuit board（5）Electrically connect Connect, circuit board（5）Be formed around multiple heat sinks（11）, the heat sink（11）It is fixedly mounted on casing（1）Interior pedestal In groove, casing（1）Back be provided with folding stand（12）, the folding stand（12）By gripper shoe（124）, folded sheet（125）With Rotary shaft（122）Assemble, the gripper shoe（124）One end pass through connecting shaft（121）It is fixedly connected on casing（1）Back Groove in, gripper shoe（124）With connecting shaft（121）It is hinged, gripper shoe（124）The other end and rotary shaft（122）One end It is hinged, the rotary shaft（122）By rolling bearing（1221）And rotating shaft（1222）Assemble, rotating shaft（1222）Two ends difference It is welded on rolling bearing（1221）Middle part, rotary shaft（122）Opposite side and folded sheet（125）Front end be hinged, the folding Lamination（125）The outer surface of end is provided with slipmat（123）, slipmat（123）It is fixedly bonded to folded sheet（125）On.

2. a kind of miniature LED projection machine according to claim 1, it is characterised in that：The casing（1）One end fix peace Equipped with USB（3）, USB（3）By electric wire and casing（1）Hard-wired circuit board in cavity（5）It is electrically connected with, USB（3）Can dock with mobile phone socket.

3. a kind of miniature LED projection machine according to claim 1, it is characterised in that：The lens set（42）It is saturating by screw thread Mirror, three layers of eyeglass composition of convex lenss and plane mirror, Fresnel lens are arranged on innermost layer, and plane mirror is arranged on outermost layer.

4. a kind of miniature LED projection machine according to claim 1, it is characterised in that：The circuit board（5）, opto-electronic conversion Device（7）And LED（8）Powered by external power supply.