CN208076904U - Portable projector - Google Patents

Abstract

The utility model provides a kind of portable projector, includes at least shell, control chip, ray machine unit, main circuit board and at least one sub-circuit board are equipped in the shell；The control chip is fixed and is electrically connected on the main circuit board, and the main circuit board is electrically connected with the ray machine unit and the sub-circuit board respectively；The sub-circuit board stacking is located on the main circuit board.Whereby, the circuit board of the utility model portable projector uses stack design, makes full use of body space, to may make product design more to minimize, portability, and ensures fine definition simultaneously.

Description

Portable projector

Technical field

The utility model is related to porjector technology field more particularly to a kind of portable projectors.

Background technology

Shadow instrument is a kind of equipment that can be projected image or video on curtain or metope, can be connect by different Mouth is connected with electronic equipments such as computer, mobile phone, DVD, game machines to play corresponding vision signal.It is sent out with the high speed of science and technology Exhibition, more people come into contact with projection device, and projection device can be used in many occasions, are used for example in classroom and assist religion Teacher teaches, and puts and is used in an office for user's meeting, setting is watched movie for user at home.Projection device is in people's lives In it is more and more universal, greatly facilitate people's lives, amusement and study.But traditional projecting apparatus is larger due to volume It is not readily portable, so it can only be fixed on particular place use, and with people's work and mutually exchanging increasingly frequently in life Numerous, this can bring inconvenience to user.In view of this, people postgraduate's output portable projector, is mainly thrown by three colors The huge projector's exquisiteness of tradition, portability are made shadow casting technique more closeness to life and joy by shadow ray machine and decoding technique It is happy.Since user is more and more to the functional requirement of portable projector so that the area of circuit board has to increase, Jin Erzeng The volume of portable projector is added.How to ensure the image clearly of portable projector simultaneously, compact, feature-rich be This field technical problem urgently to be resolved hurrily.

In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.

Utility model content

For above-mentioned defect, the purpose of this utility model is to provide a kind of portable projector, circuit board uses Stack design makes full use of body space, to may make product design more to minimize, portability, and can ensure simultaneously Fine definition.

To achieve the goals above, the utility model provides a kind of portable projector, includes at least shell, the shell It is interior to be equipped with control chip, ray machine unit, main circuit board and at least one sub-circuit board；The control chip is fixed and is electrically connected On the main circuit board, the main circuit board is electrically connected with the ray machine unit and the sub-circuit board respectively；The son Circuit board stacking is located on the main circuit board.

According to portable projector described in the utility model, by least between the main circuit board and the sub-circuit board One connector is fixed and is electrically connected.

According to portable projector described in the utility model, by least between the main circuit board and the sub-circuit board One fixing piece is fixed, and is connected by flexible electrical property of flat cable between the main circuit board and the sub-circuit board.

It is stacked according to portable projector described in the utility model, on the sub-circuit board and is equipped at least one other son electricity Road plate.

According to portable projector described in the utility model, the ray machine unit is LTP ray machines.

According to portable projector described in the utility model, the top surface of the shell is covered with touch screen, the touch screen Area it is identical or close as the area of the top surface.

According to portable projector described in the utility model, the sub-circuit board includes interface subcircuit plate, the first ray machine Drive sub-circuits plate, the second ray machine drive sub-circuits plate；

The interface subcircuit sheetpile is folded to be located on the main circuit board, and the interface subcircuit plate is close to the shell First side；The interface subcircuit plate is equipped at least one interface, and the interface extends the first side；

The first ray machine drive sub-circuits sheetpile is folded to be located on the main circuit board, the first ray machine drive sub-circuits Plate is electrically connected with the main circuit board, and the first ray machine drive sub-circuits plate is close to the second side of the shell；Institute State that the second ray machine drive sub-circuits sheetpile is folded to be located on the first ray machine drive sub-circuits plate, the first ray machine driving son electricity Road plate is electrically connected with the second ray machine drive sub-circuits plate；The first ray machine drive sub-circuits plate, second ray machine Drive sub-circuits plate is electrically connected with the ray machine unit respectively.

According to portable projector described in the utility model, communication module, the communication module are additionally provided in the shell It fixes and is electrically connected on the main circuit board；The first side is equipped with Subscriber Identity Module slot, user's identification Card slot is electrically connected with the main circuit board；It is additionally provided with loud speaker and microphone in the shell, the loud speaker and described Microphone is connect with the main circuit board respectively.

It is equipped with according to portable projector described in the utility model, in the shell and to be electrically connected with the main circuit board Loud speaker；In the shell rechargeable battery, the first ray machine drive sub-circuits plate, second light are equipped with close to third side An accommodation space, institute are formed between machine drive sub-circuits plate, the rechargeable battery, the second side and the third side Loud speaker is stated to be set in the accommodation space；The loud speaker is close proximity to the second side of the shell, and described second Side is equipped with several sound outlet holes.

It is equipped with according to portable projector described in the utility model, in the shell and is fixed on dissipating on the ray machine unit Heat structure, the radiator structure include at least a cooling fin and fan；The ray machine unit is set to the centre of the shell, The ray machine unit includes light source and camera lens；The fan is fixed on above the light source, between the fan and the light source There are clearance spaces；The first end face of the cooling fin is close proximity to the first side of the shell, in the first side Equipped with several heat emission holes, the second end face of the cooling fin abuts the fan.

The utility model portable projector includes at least shell, includes main circuit board and at least one sub-circuit in shell Plate, the sub-circuit board stacking are located on the main circuit board.Since the circuit board of the utility model uses stack design, son electricity Road plate no longer occupies the area of main circuit board, but makes full use of the height space of body, to may make product design more Miniaturization, portability, and include high pure and fresh degree simultaneously.

Description of the drawings

Fig. 1 is the preferred stereogram exploded view of the utility model portable projector；

Fig. 2 is the circuit board stacked structure schematic diagram of portable projector in another embodiment of the utility model；

Fig. 3 is the preferred stereo appearance figure of the utility model portable projector；

Fig. 4 is the internal structure schematic diagram of the utility model portable projector；

Fig. 5 is the side sectional view of the utility model portable projector；

Fig. 6 is the preferred circuit schematic diagram of the utility model portable projector.

Specific implementation mode

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

Fig. 1~Fig. 6 shows that the structure of the utility model portable projector, the portable projector 100 are at least wrapped Shell 10 is included, control chip 20, ray machine unit 30, main circuit board 40 and at least one sub-circuit board 50 are equipped in shell 10.Light Machine unit 30 preferably use DLP (Digital Light Processing, digital light processing) ray machine, not only compact and And clarity is high.Control chip 20 fix and be electrically connected on main circuit board 40, main circuit board 40 respectively with ray machine unit 30 It is electrically connected with sub-circuit board 50.The stacking of sub-circuit board 50 is located on main circuit board 40, to make full use of the height space of body. Each sub-circuit board 50 can extend different functions, including interface subcircuit plate 51, the first ray machine drive sub-circuits plate 52, the Two ray machine drive sub-circuits plates 52 etc..

The stacking of sub-circuit board 50 is located on main circuit board 40 by the utility model portable projector 100, the circuit board Stack design makes full use of body height and body space, is not take up the area of main circuit board 40, to may make product more Miniaturization, portability, and ensure high pure and fresh degree simultaneously.It is described take 100 size of formula projecting apparatus can accomplish it is very small and exquisite, can In the oblique satchel of the loading even pocket of overcoat of very comfortable, it can be used whenever and wherever possible.In addition, due to the utility model circuit Plate is designed using scoreboard, if partial circuit plate damages, it is only necessary to partial circuit plate is repaired or replaced, without by institute There is circuit board to be repaired or replaced, be not only convenient for safeguarding, and reduces maintenance cost.

In embodiment one, as shown in Figure 1, passing through at least one fixing piece 62 between main circuit board 40 and sub-circuit board 50 It is fixed, and connected by flexible electrical property of flat cable between main circuit board 40 and sub-circuit board 50.The fixing piece 62 includes fixed branch Frame, fixed column and/or screw etc..The structure, which can ensure between main circuit board 40 and sub-circuit board 50 will to stablize, fixes.

In embodiment two, as shown in Fig. 2, passing through at least one connector 61 between main circuit board 40 and sub-circuit board 50 Fixed and electric connection.Connector 61 is preferably board to board connector, can not only be reliablely and stablely by 40 He of main circuit board Sub-circuit board 50 is fixed, and realizes the electric connection of main circuit board 40 and sub-circuit board 50 simultaneously.Connector 61 can there are one Or it is multiple, more than two connectors 61 can so that the fixation between main circuit board 40 and sub-circuit board 50 is more firm.It stacks The sub-circuit board 50 of design can make full use of space, be not take up the area of main circuit board 40, effectively save space, can be further Reduce the volume of portable projector 100.

It is stacked in embodiment three, on sub-circuit board 50 and is equipped at least one other sub-circuit board 50.That is, main electricity Road plate 40, sub-circuit board 50, other sub-circuit boards 50 can form the circuit board stacked structure of three floor even more multilayer, so just More functions can be extended for users to use.As depicted in figs. 1 and 2, sub-circuit board 50, the first ray machine drive sub-circuits plate 52, the second ray machine drive sub-circuits plate 53 forms three layer circuit board stacked structures.

Preferably, the sub-circuit board 50 of the utility model portable projector 100 includes interface subcircuit plate 51, first Ray machine drive sub-circuits plate 52, the second ray machine drive sub-circuits plate 53, as shown in Figure 1 or 2.First ray machine drive sub-circuits plate 52, the second ray machine drive sub-circuits plate 53 is used to drive the display panel and constant current driving ray machine LED light of micro- throwing.Interface electricity Road plate 51 is for providing external interface.

The interface subcircuit plate 51 stacking is located on main circuit board 40, and interface subcircuit plate 51 is close to the of shell 10 One side 11.Preferably, interface subcircuit plate 51 is located at by the stacking of connector 61 on main circuit board 40.Interface subcircuit plate 51 are equipped at least one interface 70, and interface 70 extends first side 11.The interface 70 may include data transmission interface, Power interface, switch etc..Preferably, interface 70 includes TYPE-C interfaces, and TYPE-C interfaces can realize charging and data transmission Function is simultaneously deposited, and fuselage Interface design can be greatly simplified.

The stacking of first ray machine drive sub-circuits plate 52 is located on main circuit board 40, the first ray machine drive sub-circuits plate 52 It is electrically connected with main circuit board 40, and the first ray machine drive sub-circuits plate 52 is close to the second side 12 of shell 10.Preferably, The first ray machine drive sub-circuits plate 52 is located at by the stacking of connector 61 on main circuit board 40.Second ray machine drive sub-circuits The stacking of plate 53 is located on the first ray machine drive sub-circuits plate 52, the first ray machine drive sub-circuits plate 52 and the second ray machine driving son electricity Road plate 53 is electrically connected.Preferably, the second ray machine drive sub-circuits plate 53 is located at the first light by the stacking of connector 61 On machine drive sub-circuits plate 52.First ray machine drive sub-circuits plate 52, the second ray machine drive sub-circuits plate 53 respectively with ray machine list Member 30 is electrically connected, for driving ray machine unit 30 to work.

Preferably, main circuit board 40 preferably uses high pass to decode control panel, which provides all complete machines External interface (video, audio, power supply, TP etc.), and necessary front-end processing and rule are carried out to the audio-video signal of external world's input Lattice are converted, and vision signal is exported (such as by FPC (Flexible Printed Circuit, flexible print circuit) converting interface HDMI standard vision signal), associated control signal be given to the first ray machine drive sub-circuits plate 52, the second ray machine drive sub-circuits plate 53。

Preferably, the top surface 15 of shell 10 is covered with touch screen 81, as shown in Figure 1, the area of touch screen 81 and top surface 15 area is identical or close.Touch screen 81 is fixed on by the fixing pieces such as fixed frame, fixed column 62 in shell 10.This practicality is new The accounting space of the touch screen 81 of type portable projector 100 is big, no button design, full touch operation, and beauty is convenient.Preferably It is that touch screen 81 is 5 inches or 4 inches of touch screen, resolution ratio is 720x 1280, palm size, and user can directly hold It operates on it.In this way, taking formula projecting apparatus 100 can use when being not turned on projection as tablet computer or mobile phone.

Preferably, it is additionally provided with communication module 82 in shell 10, in conjunction with shown in Fig. 6, communication module 82 is fixed and electrically connected It is connected on main circuit board 40, i.e., communication module 82 is electrically connected with control chip 20.Preferably, communication module 82 is integrated into control In coremaking piece 20.First side 11 is equipped with Subscriber Identity Module slot 83, and Subscriber Identity Module slot 83 is electrical with main circuit board 40 Connection.For being inserted into SIM (Subscriber Identity Module, Subscriber Identity Module), UIM in Subscriber Identity Module slot 83 Subscriber Identity Modules such as (User Identity Model, subscriber identification modules).Loud speaker 84 and microphone are additionally provided in shell 10 85, loud speaker 84 and microphone 85 are connect with main circuit board 40 respectively, i.e., loud speaker 84 and microphone 85 respectively with control chip 20 are electrically connected.Communication module 82 can realize the data-transformation facility of mobile phone；Communication module 82, loud speaker 91 and microphone 92 can To realize the call function of mobile phone, can be used when carrying out voice/video call, you can to make a phone call, answer the call.Preferably It is that the utility model portable projector 100 can install the mobile phone operating systems such as Android system so that portable projector 100 can use as mobile phone, and user can connect the mobile communications networks such as 4G, 5G, communication, online, amusement at any time.

Preferably, the loud speaker 84 being electrically connected with main circuit board 40 is equipped in shell 10.In conjunction with Fig. 1, Fig. 4, Fig. 5 and Shown in Fig. 6, rechargeable battery 86, the first ray machine drive sub-circuits plate 52, the second ray machine are equipped with close to third side 13 in shell 10 An accommodation space, loud speaker 84 are formed between drive sub-circuits plate 53, rechargeable battery 86, second side 12 and third side 13 It is set in accommodation space.Loud speaker 84 is close proximity to the second side 12 of shell 10, and second side 12 is equipped with several sound outlet holes 17.Rechargeable battery 86 is electrically connected with main circuit board 40, for powering for all parts of portable projector 100.Above-mentioned knot Structure, which designs, can make full use of the inner space of shell 10 so that take formula projecting apparatus 100 more minimize, portability.Because taking The loud speaker 84 of formula projecting apparatus 100 is close proximity to the second side 12 of shell 10, and sound channel is shorter, and the sound of loud speaker 84 can It is propagated by the sound outlet hole 17 of the second side 12 with the shortest distance, voice effect is more preferable.As shown in Figure 1 and Figure 4, second side At least one toning mechanism 71 can be also equipped on 12, toning mechanism 71 is electrically connected with loud speaker 84.Toning mechanism 71 includes circle The Volume up button and volume of shape design reduce button, user can be facilitated to increase or decrease volume as needed at any time.

Preferably, all parts of the utility model portable projector 100 use the component of low-power consumption, rechargeable battery 86 electricity is that 1000mh or bigger greatly improve portability, carry to may make complete machine stand-by time to reach 3 hours or more High user experience.

Preferably, focus control knob 89, in conjunction with shown in Fig. 1 and Fig. 4, focus control knob are equipped in the shell 10 89 are electrically connected with ray machine unit 30, and the focus control knob 89 extends except third side 13.The focus adjustment Knob 89 is used to adjust the focal length of ray machine unit 30 with screen or metope at a distance from according to the machine, with presentation most clearly video And/or image.

Preferably, the radiator structure being fixed on ray machine unit 30 is equipped in shell 10, in conjunction with Fig. 1, Fig. 4 and Fig. 5 institute Show, radiator structure includes at least a cooling fin 87 and fan 88.Ray machine unit 30 is set to the centre of shell 10, ray machine unit 30 include light source 31 and camera lens 32.The medium design of ray machine unit 30 improves ease of use.Fan 88 is fixed on light source Side, there are clearance spaces between fan 88 and light source.The first end face of cooling fin 87 is close proximity to the first side 11 of shell 10, the One side 11 is equipped with several heat emission holes 18, and the second end face of cooling fin 87 abuts fan 88.Said structure design is compacter, The inner space of shell 10 can be made full use of so that take formula projecting apparatus 100 more minimize, portability.Also, take formula projection The radiator structure of instrument 100 abuts the first side 11 of shell 10, and the first side 11 has heat emission hole 18, and heat dissipation channel is more It is short so that heat can be disseminated to except fuselage by the heat of radiator structure as early as possible with the shortest distance, and heat dissipation effect is more preferable, and radiation is more It is few.

Preferably, the bottom surface 16 of shell 10 is connected with folding rack 19, as shown in Figure 1, fuselage can be allowed to keep Acclivitous angle projects on higher curtain or metope.

Include main circuit board and at least in shell in conclusion the utility model portable projector includes at least shell One sub-circuit board, the sub-circuit board stacking are located on the main circuit board.Since the circuit board of the utility model uses heap Folded design, sub-circuit board no longer occupies the area of main circuit board, but makes full use of the height space of body, to may make production Product design more miniaturization, portability, and ensure high pure and fresh degree simultaneously.

Certainly, the utility model can also have other various embodiments, without departing substantially from the spirit of the present invention and its essence In the case of, those skilled in the art work as can make various corresponding change and deformations, but these according to the utility model Corresponding change and deformation should all belong to the protection domain of the utility model the attached claims.

Claims (10)

1. a kind of portable projector, which is characterized in that include at least shell, control chip, ray machine list are equipped in the shell Member, main circuit board and at least one sub-circuit board；The control chip is fixed and is electrically connected on the main circuit board, described Main circuit board is electrically connected with the ray machine unit and the sub-circuit board respectively；The sub-circuit board stacking is located at the main electricity On the plate of road.

2. portable projector according to claim 1, which is characterized in that between the main circuit board and the sub-circuit board It fixes and is electrically connected by least one connector.

3. portable projector according to claim 1, which is characterized in that between the main circuit board and the sub-circuit board It is fixed by least one fixing piece, and is connected by flexible electrical property of flat cable between the main circuit board and the sub-circuit board.

4. portable projector according to claim 1, which is characterized in that stacked equipped at least one on the sub-circuit board Other sub-circuit boards.

5. portable projector according to claim 1, which is characterized in that the ray machine unit is LTP ray machines.

6. portable projector according to claim 1, which is characterized in that the top surface of the shell is covered with touch screen, institute The area for stating touch screen is identical or close as the area of the top surface.

7. according to any one of claim 1~6 portable projector, which is characterized in that the sub-circuit board includes interface Sub-circuit board, the first ray machine drive sub-circuits plate, the second ray machine drive sub-circuits plate；

The interface subcircuit sheetpile is folded to be located on the main circuit board, and the interface subcircuit plate is close to the of the shell One side；The interface subcircuit plate is equipped at least one interface, and the interface extends the first side；

The first ray machine drive sub-circuits sheetpile is folded to be located on the main circuit board, the first ray machine drive sub-circuits plate with The main circuit board is electrically connected, and the first ray machine drive sub-circuits plate is close to the second side of the shell；Described Two ray machine drive sub-circuits sheetpiles are folded to be located on the first ray machine drive sub-circuits plate, the first ray machine drive sub-circuits plate It is electrically connected with the second ray machine drive sub-circuits plate；The first ray machine drive sub-circuits plate, second ray machine driving Sub-circuit board is electrically connected with the ray machine unit respectively.

8. portable projector according to claim 7, which is characterized in that communication module is additionally provided in the shell, it is described Communication module is fixed and is electrically connected on the main circuit board；The first side is equipped with Subscriber Identity Module slot, described Subscriber Identity Module slot is electrically connected with the main circuit board；Loud speaker and microphone are additionally provided in the shell, it is described to raise one's voice Device and the microphone are connect with the main circuit board respectively.

9. portable projector according to claim 7, which is characterized in that be equipped in the shell and main circuit board electricity Property connection loud speaker；In the shell rechargeable battery, the first ray machine drive sub-circuits plate, institute are equipped with close to third side It states and forms an appearance between the second ray machine drive sub-circuits plate, the rechargeable battery, the second side and the third side Receive space, the loud speaker is set in the accommodation space；The loud speaker is close proximity to the second side of the shell, The second side is equipped with several sound outlet holes.

10. portable projector according to claim 7, which is characterized in that be equipped in the shell and be fixed on the ray machine Radiator structure on unit, the radiator structure include at least a cooling fin and fan；The ray machine unit is set to described The centre of shell, the ray machine unit includes light source and camera lens；The fan is fixed on above the light source, the fan and institute State between light source that there are clearance spaces；The first end face of the cooling fin is close proximity to the first side of the shell, described First side is equipped with several heat emission holes, and the second end face of the cooling fin abuts the fan.