CN205450541U - Projecting apparatus of configuration USB interface adapter - Google Patents
Projecting apparatus of configuration USB interface adapter Download PDFInfo
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- CN205450541U CN205450541U CN201521085443.1U CN201521085443U CN205450541U CN 205450541 U CN205450541 U CN 205450541U CN 201521085443 U CN201521085443 U CN 201521085443U CN 205450541 U CN205450541 U CN 205450541U
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- usb interface
- interface
- projector
- interface adapter
- usb
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Abstract
The utility model relates to a projecting apparatus technical field, the utility model discloses a projecting apparatus of configuration USB interface adapter, it specifically includes the casing of projecting apparatus, the display screen and the USB interface adapter of setting on the casing of projecting apparatus, sets up at inside power supply circuit and the control circuit of casing, external power source is connected to power supply circuit's input, and USB interface adapter and control circuit are connected to power supply circuit's output for give USB interface adapter and control circuit the power supply, the USB interface adapter is connected with the outside USB equipment signal who has the USB interface, control circuit connects the display screen of USB interface adapter and projecting apparatus respectively for the display screen output of the audio and video signal control projecting apparatus received according to the USB interface adapter.
Description
Technical field
This utility model relates to porjector technology field, a kind of projector configuring USB interface adapter.
Background technology
Along with the development of porjector technology, projector is shared in culture, business is reported and other various fields all obtain market the most widely.Up to the present, projector is mainly realized by three kinds of Display Techniques, i.e. CRT shadow casting technique, LCD shadow casting technique and the DLP shadow casting technique grown up in recent years.
1, CRT tri-rifle scialyscope, CRT is the abbreviation of English CathodeRayTube, translations cathode ray tube.As image device, it is a kind of Display Technique realizing the earliest, being most widely used.This scialyscope can resolve on the fluorescent screen of R (red), G (green) B (blue) three CRT tube input signal source, and fluorescent material luminescent system under high pressure effect amplifies, assembles, demonstrates coloured image on giant-screen.Optical system forms projection cathode-ray tube with RT pipe, and three usually said rifle scialyscopes are exactly the scialyscope being made up of three projection cathode-ray tubes, owing to using inner light source, is also active projection pattern.CRT technology maturation, the image color of display enriches, Well-recovered, has abundant geometric distortion adjustment capability；But its important technology index image resolution ratio mutually restricts with brightness, directly affecting the brightness value of CRT scialyscope, up to the present, its brightness value is hovered all the time at below 300lm.
2, LCD projector, LCD is the english abbreviation of LiquidCristalDisplay.LCD projector is divided into liquid crystal board and liquid crystal light valve two kinds.Liquid crystal is the material between liquid and solid, and itself is the most luminous, and job specification is greatly influenced by temperature, and its operating temperature is-55oC ~+77oC.Scialyscope utilizes being arranged under electric field action of the photoelectric effect of liquid crystal, i.e. liquid crystal molecule to change, and affects light transmittance or the reflectance of its liquid crystal cells, affects its optical property when machine, produces the image with different gray-level and color.
The popular monolithic design of the most common liquid crystal projector (LCD veneer, light need not separate), this scialyscope volume is little, lightweight, operates, carries the most convenient, and price also ratio is less expensive.But its light source life is short, color is not bery uniform, and resolution is relatively low, and highest resolution is 1024 × 768, is used for demonstrating or mini-session temporarily.Although this scialyscope also achieves Digital Modulation signal, but the physical characteristic of liquid crystal itself, the response speed determining it is slow, and As time goes on, performance has declined.
3, digital-code projector, DLP is the abbreviation of English DigitalLightPorsessor, translations Digital Light Processor.The birth of this new shadow casting technique, makes us after having seizure, receiving, store the ability of digital information, finally achieves digital information and show.DLP technology is the epoch-making revolution in display field, and as CD is in the tremendous influence that audio area produces, DLP will turn over a new page for video projection display.It is using DMD (DigitalMicormirrorDevice) digital micromirror as light valve image device.The key problem in technology point of DLP projector is as follows: be first Digital Advantage.The employing of digital technology, makes gradation of image grade reach 256-1024 level, and color reaches 2563-10243 kind, and picture noise disappears, and image quality is stable, and exact figure image can constantly reproduce, and sustains its quality through age.Next to that reflection advantage.The application of reflective DMD device, makes total light efficiency of image device reach more than 60%, and the uniformity of contrast and brightness is outstanding.On DMD block, the area of each pixel is 16 μ m 16, is spaced apart 1 μm.Sheet number according to DMD used, DLP projector can be divided into: single-chip microcomputer, two-chip computer, three machines.DLP projector definition is high, picture uniform, and color is sharp keen, three machine brightness up to 2000 lumens more than, it has abandoned traditional convergence, can random zoom, adjust very convenient;Resolution is high, and the most compressed resolution is up to 1024 × 768 (resolution of the last word of some type has reached 1280 × 1024).
USB is the english abbreviation of USB (universal serial bus), is the bus architecture of Intel Company's exploitation so that adds serial device on computers and is very easy to.Need only insert the device in the USB port of computer, system can automatically identify and configure.According to era development, standard usb interface experienced by generation USB, second filial generation USB2.0 and third generation USB3.0.This interface name of USBTypeC occurred after the USB3.1 epoch, and the bright spot of this interface is more slim design, faster transmission speed (the highest 10Gbps) and more intrepid electric power transmission (the highest 100W).The feature of USBTypeC two-sided inserting interface maximum is to support the two-sided insertion of USB interface, and USBTypeC has the following characteristics that 1. largest data transfer speed reach the 10Gbit/ second；The size of 2.USBTypeC interface socket end is about the slim design of 8.3mm × 2.5mm；3. support from tow sides the most insertable " positive anti-plug " function, 10,000 times can be born and repeatedly plug；4. the standard specifications connecting line being equipped with USBTypeC interface can pass through 3A electric current, the most also supports " USBPD " beyond existing USB power supply capacity, it is provided that the electric power of maximum 100W.
Although USBTypeC interface has plurality of advantages, but the popularity rate on equipment is the lowest at present, as a example by projector, current projector is typically only provided with USBTypeA interface, because external equipment is the most more uses USBTypeA interface.Other many interfaces typically also can be set on projector at present, such as power interface, DP interface, HDMI and USB interface etc., interface but interface too much affects attractive in appearance and different needs different patchcords to connect external equipment so that use extremely inconvenient.And USBTypeC interface is compared to former interface, there is a lot of advantage, but current equipment popularity rate is the lowest, then there is a lot of year in USBTypeA interface, on a lot of equipment the most universal, but USBTypeA interface is the simplest interface, simple only USBTypeA interface can not meet the demand that user is growing.
Summary of the invention
Make technical problem attractive in appearance and the most easy to use for projector of the prior art interface to be reduced, the utility model discloses a kind of projector configuring USB interface adapter.
The technical solution adopted in the utility model is such that
A kind of projector configuring USB interface adapter, it specifically includes the housing of projector, the display screen of projector and the USB interface adapter being arranged on housing, is arranged on power circuit and the control circuit of enclosure interior；The input of described power circuit connects external power source, and the outfan of power circuit connects USB interface adapter and control circuit, for powering to USB interface adapter and control circuit；The USB device signal that described USB interface adapter has USB interface with outside is connected；Described control circuit connects the display screen of USB interface adapter and projector respectively, and the audio-video signal for receiving according to USB interface adapter controls the display screen output of projector.
The interface end of USB interface adapter is respectively USBTypeA interface and USBTypeC interface.
Further, above-mentioned USBTypeA interface is arranged on the housing of projector, and USBTypeC interface is arranged on inside projector.
Further, above-mentioned projector also includes AC/DC change-over circuit, and the input of described AC/DC change-over circuit connects external power source, and outfan connects the USBTypeC interface of USB interface adapter, is charged as charging inlet to external equipment by USBTypeA interface.
Further, above-mentioned projector also includes that USB-Hub, described USB-Hub are extended to multiple USBTypeA interface delivery outlet.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are: arrange USB interface adapter on projector, make on projector, both possessed USBTypeC interface and also possess USBTypeA interface, USBTypeC interface volume is less, and interface rate is obviously improved, and interface power is highly improved, and power interface can be made, there is more function integrated.Except above advantage, USBTypeC interface can also integrated more polyfunctional interface, the most common USBTypeA interface, DP(miniDP) interface, HDMI and USB interface can be transferred realization by USBTypeC interface.By the USB interface adapter that USBtypeC interface conversion is USBtypeA interface so that the interface that projector is connected with external equipment can also is that USBtypeA interface, improves the versatility of projector.USB interface by one " multi-functional ", it is possible to simultaneously realize data-transformation facility and charge function.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the projector of configuration USB interface adapter of the present utility model.
Fig. 2 is the structural representation of USB interface adapter.
Detailed description of the invention
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
The utility model discloses a kind of projector configuring USB interface adapter, it specifically includes the housing of projector, the display screen of projector and the USB interface adapter being arranged on housing, is arranged on power circuit and the control circuit of enclosure interior；The input of described power circuit connects external power source, and the outfan of power circuit connects USB interface adapter and control circuit, for powering to USB interface adapter and control circuit；The USB device signal that described USB interface adapter has USB interface with outside is connected；Described control circuit connects the display screen of USB interface adapter and projector respectively, and the audio-video signal for receiving according to USB interface adapter controls the display screen output of projector.By the USB interface adapter being arranged on housing, it is achieved and outside has the transmission of the signal between the USB device of USB interface,
Fig. 1 is the structural representation of the projector of configuration USB interface adapter of the present utility model.11 it is wherein power circuit, 12 is USB interface adapter, 13 is control circuit, 14 is the display screen of projector.
In the embodiment that the basis of above-mentioned projector is improved further
Fig. 2 is the structural representation of USB interface adapter.It includes that USBTypeA interface and USBTypeC interface, USBTypeA interface and USBTypeC interface are attached by C-A transducer.USBtypeC interface is except realizing common USB interface, DP(miniDP) interface, HDMI and USB interface, the most also support USBPowerDelivery specification, the highest will support the power supply capacity of 100W.In transmission speed, in addition to supporting the 10Gbps of existing USB3.1SuperSpeedGen2, it is also contemplated that follow-up higher transmission speed (such as USB4) can be supported.This projector have employed up-to-date USBtypeC interface.Only one mouth can realize multi-functional, this projector also USB interface adapter with a USBtypeC interface to USBtypeA interface so that the interface of equipment and external equipment or USBtypeA interface, improves the versatility of this equipment.
Continue with improvement USB interface adapter of the present utility model
The interface that the outside only one of which of projector is drawn, it is simply that USBTypeA, the interface that this interface is also the most general, almost all of electronic equipment has this interface.This outlet is used to ensure that the versatility of equipment.What this utility model embodied is the thought of a kind of unitized interface, replaces all of interface with a kind of interface, it is simply that USBTypeC interface.But for products application in the market, USBTypeC interface is also relatively newer, and the most little product has, so having added the USBTypeC interface adapter to USBTypeA interface, the advantage that can either have USBTypeC interface, can be applicable to again existing products application.
The circuit structure of the transducer that concrete USBTypeC interface transfers USBTypeA interface to is existing technology, it is not belonging to the key content that this utility model improves, if necessary, those skilled in the art can carry out the design of circuit structure according to demand, repeats the most in detail at this.
Use this utility model, it is also possible to be charged as a charging inlet to external equipment by USBTypeA interface.Due to only one of which interface, its internal design is accomplished by adding corresponding control circuit.
Only use the equipment of an interface, the most long-range benefit can be brought.One of them, it is simply that the design of whole equipment can have the biggest change.Interface is the design taken up space very much in electronic equipment, if only one of which interface, but also be the interface of very miniaturization as USBTypeC interface, whole circuit board can be made more much smaller than in the past.Currently also there is the board-level circuit being made very small, but you are it can be seen that the design of multiple interface makes volume almost increase one times.The rise of Internet of Things now, popularizing of some smart machines, electronics miniaturization, is a trend.
Use the extension mouth that can also add a USBTypeA interface for convenience, it is simply that a USBTypeA interface input, multiple USBTypeA interface delivery outlets.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (5)
1. the projector configuring USB interface adapter, it is characterised in that specifically include the housing of projector, the display screen of projector and the USB interface adapter being arranged on housing, be arranged on power circuit and the control circuit of enclosure interior；The input of described power circuit connects external power source, and the outfan of power circuit connects USB interface adapter and control circuit, for powering to USB interface adapter and control circuit；The USB device signal that described USB interface adapter has USB interface with outside is connected；Described control circuit connects the display screen of USB interface adapter and projector respectively.
2. the projector configuring USB interface adapter as claimed in claim 1, it is characterised in that the interface end of described USB interface adapter is respectively USBTypeA interface and USBTypeC interface.
3. the projector configuring USB interface adapter as claimed in claim 2, it is characterised in that described USBTypeA interface is arranged on the housing of projector, and USBTypeC interface is arranged on inside projector.
4. the projector configuring USB interface adapter as claimed in claim 2, it is characterized in that described projector also includes AC/DC change-over circuit, the input of described AC/DC change-over circuit connects external power source, outfan connects the USBTypeC interface of USB interface adapter, is charged as charging inlet to external equipment by USBTypeA interface.
5. the projector configuring USB interface adapter as claimed in claim 2, it is characterised in that described projector also includes that USB-Hub, described USB-Hub are extended to multiple USBTypeA interface delivery outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085443.1U CN205450541U (en) | 2015-12-24 | 2015-12-24 | Projecting apparatus of configuration USB interface adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085443.1U CN205450541U (en) | 2015-12-24 | 2015-12-24 | Projecting apparatus of configuration USB interface adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205450541U true CN205450541U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521085443.1U Expired - Fee Related CN205450541U (en) | 2015-12-24 | 2015-12-24 | Projecting apparatus of configuration USB interface adapter |
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| CN (1) | CN205450541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958439A (en) * | 2019-11-18 | 2020-04-03 | 苏州佳世达光电有限公司 | Projection apparatus and control method thereof |
-
2015
- 2015-12-24 CN CN201521085443.1U patent/CN205450541U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958439A (en) * | 2019-11-18 | 2020-04-03 | 苏州佳世达光电有限公司 | Projection apparatus and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |