CN110035266A - A kind of projector and projector apparatus of band extension functional interface - Google Patents
A kind of projector and projector apparatus of band extension functional interface Download PDFInfo
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- CN110035266A CN110035266A CN201910289293.2A CN201910289293A CN110035266A CN 110035266 A CN110035266 A CN 110035266A CN 201910289293 A CN201910289293 A CN 201910289293A CN 110035266 A CN110035266 A CN 110035266A
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- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims description 46
- 238000012790 confirmation Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 14
- 241000208340 Araliaceae Species 0.000 claims description 12
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 12
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 12
- 235000008434 ginseng Nutrition 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012827 research and development Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Controls And Circuits For Display Device (AREA)
- Projection Apparatus (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
The present invention a kind of projector and projector apparatus of band extension functional interface, projector apparatus includes projector and extended function module；One or more standard interface male seats for extended function module insertion are provided in the projector shell；Standard interface base is provided on the extended function module；When the standard interface base is inserted into the standard interface male seat, the extended function module is connected and is matched with the projector.Through the invention, terminal user and retailer can select to meet interface of the present invention and define and the projector and functional module of design specification, pass through matching, realize function according to functional requirement；It is final to save the cost of research and development, production and follow-up system upgrading and after-sales service for consumer and producer, while also producer and agential expense and stock risk are reduced in production management and sales section.
Description
Technical field
The present invention relates to porjector technology field, the projector and projector dress of especially a kind of band extension functional interface
It sets.
Background technique
Existing projector in use, requires to cooperate corresponding broadcasting content source device that could use, general
Form be that various input/output interfaces are provided on projector, it is desirable that user is from being about to PC or wireless throw screen electricity
Pass through depending on stick or network media player or high-definition digital media player or DTV STB etc. equipment each
Connection wire is planted to be connected to above the corresponding audio-video input interface socket of projector.This structure and type of attachment exist
The defect of globality poor, it is more that many users do not know how to connect various standalone feature devices, connecting line required for them
2 or more remote controls or other control equipment are generally required when influencing beauty, operate simultaneously.Another form is direct
It is equipped with computer or wireless throwing screen on the casing internal mainboard of projector or the network media plays or high-definition digital media
The circuit of broadcasting or Digital TV Receiving function；And being increasing with the additional function of demand, equipment manufacture and design factory
Family needs to establish disparity items and is managed, and different circuit board program and shell are designed in the projector of identical appearance, and
Stage exploitation verifying is carried out to projects；The complexity of production and assembly test verifying and stock control rises at double, greatly increases
Design and produce the cost of manufacture；It also will increase identical appearance but the inventory finance with different function product to business department
Cost, and increase the risk and difficulty after sale of sales forecast.One kind is designed based on the problem present on to connect with standard
The projector apparatus with extension functional interface of mouth becomes meaningful, may be implemented to project by the application of this standard interface
Instrument function modoularization, operation, interface integration, has a possibility that function infinite expanding, is quickly meeting consumer demand
Design, production, stock, the costs such as after sale are substantially reduced simultaneously.
Summary of the invention
It is a primary object of the present invention to overcome the projector and the throwing that propose that a kind of band extends functional interface in the prior art
Shadow instrument device designs standard extension functional module by the application of standard interface and with the projector for extending functional interface；Factory
Family or retailer selected accordingly according to the individual demand of terminal user or consumer producer provide comply with standard interface
The extended function module and projector of design meet the needs of user is to different function by Fast Installation.
The present invention adopts the following technical scheme:
On the one hand, a kind of projector of selectable extension function module of the present invention, including projector shell, the projector
One or more standard interface male seats for extended function module insertion are provided in shell；Each standard interface male seat
It is connected with the control circuit that the intracorporal extended function module of projector shell is arranged in；It is also set in the projector shell
One or more module fixed slots are equipped with, each module fixed slot bottom surface is provided with module insertion guide rail；The throwing
One or more openings are provided on shadow instrument shell；The extended function module is inserted into from the opening, and is inserted along the module
Enter guide rail and is inserted into the module fixed slot until being connected with the standard interface male seat.
On the other hand, a kind of projector apparatus of band extension functional interface of the present invention, including projector and extension function mould
Block；One or more standard interface male seats for extended function module insertion are provided in the projector shell；The expansion
Standard interface base is provided in exhibition functional module；When the standard interface base is inserted into the standard interface male seat, the expansion
Exhibition functional module is connected and is matched with the projector.
Preferably, the extended function module is connected with the projector, specifically: the standard interface base insertion
When the standard interface male seat, the standard interface male seat and the standard interface base pass through signal wire progress three-way handshake
Communication is to establish connection.
Preferably, the method for the three-way handshake communication includes:
The projector sends request message to the extended function module；
The extended function module replys confirmation message to the projector；The extended function module is to the projector
Replying confirmation message includes communication type, the characteristic value of communication protocol and check code；
The projector receive expansion module reply confirmation message after, judgement reply message in check code whether just
Really, if correctly, success of shaking hands, the projector and the extended function module establish connection.
Preferably, the communication type includes I2C or UART；When the communication type is I2C, the characteristic value is
The address of I2C；When the communication type is UART, the characteristic value is the baud rate of UART.
Preferably, the method that the extended function module is connected and is matched with the projector, comprising:
S601, the projector receiving module pairing request；
S602, the interface that the projector is connected by the standard interface male seat with the standard interface base is to institute
It states extended function module and sends connection request message；
S603, the projector judge whether the extended function module has reply confirmation message in preset time, if
It does not receive, turns S604；If there is receiving, turn S605；
S604 is switched to I2C communication, reads the agreement table built in the extended function module in EEPROM, turn S607；
S605, just whether the projector parses the confirmation message that the extended function module is replied, and judge check code
Really, if correctly, turning S606；If incorrect, turn S602；
S606, the projector replys confirmation message to the extended function module, and is switched to the extension function mould
The communication type in confirmation message that block is replied；
S606 obtains the agreement table stored in the extended function module MCU module；
The agreement table is stored to projector, completes configuration, and be identified by S607.
Preferably, the method that the extended function module is connected and is matched with the projector, comprising:
S701 starts the projector；
S702, the projector judge whether to complete to configure with the extended function module of insertion, if matched, turn
S703；If unpaired, turn S704；
S703, the projector read from the agreement table of storage extended function module module I D whether the institute with insertion
The module I D for stating extended function module is consistent；If consistent, turn S710；If inconsistent, turn S704；
S704, the interface that the projector is connected by the standard interface male seat with the standard interface base is to institute
It states extended function module and sends connection request message；
S705, the projector judge whether the extended function module has reply confirmation message in preset time, if
It does not receive, turns S706；If there is receiving, turn S707；
S706 is switched to I2C communication, reads the agreement table built in the extended function module in EEPROM, turn S709；
S607, just whether the projector parses the confirmation message that the extended function module is replied, and judge check code
Really, if correctly, turning S708；If incorrect, turn S704；
S708, the projector replys confirmation message to the extended function module, and is switched to the extension function mould
The communication type in confirmation message that block is replied；
S709 obtains the agreement table stored in the extended function module MCU module；
The agreement table is stored to projector, completes configuration, and be identified by S710.
Preferably, the agreement table forms the table of a fixed format with the storage form of fixing address；Table content
Including module information class, there is ginseng to instruct and instruct without ginseng；The module information class includes signal type, module type, supplier
Title, module I D, supply voltage, electric current, serial port command, remote control coding type and I2C command address；It is described have ginseng instruction include
Data transmission with numerical value；It is described without ginseng instruction include booting, shutdown, it is standby, restart, volume key, directionkeys, number key, with
And other kinds module UI operates related function key.
Preferably, the extended function module includes PC module, wirelessly throws panel module, network media broadcasting mould
One or more of block, high-definition digital media player module and digital TV receiver module.
Preferably, the interface being connected between the pin of the standard interface male seat and the standard interface base includes sound
Video input and output interface, control signal communication interface, data transmission interface and power input output interface；
The audio-video input/output interface include HDMI signal, DP signal, eDP signal, LVDS signal, MIPI signal,
One of Vby1 signal, CVBS signal and rgb video signal or a variety of audio-video input/output interfaces；
The control signal communication interface includes I2C signal, UART signal, IR remote controller signal, handshake, extension
Functional module is inserted in place one of detection signal, power supply status indication signal, reset signal or various control signaling interface；
The data transmission interface includes that one of USB2.0, USB3.0, USB OTG signal or the transmission of a variety of data connect
Mouthful；The power input output interface includes DC voltage or the DC voltage of multichannel different voltages value all the way.
By the above-mentioned description of this invention it is found that compared with prior art, the invention has the following beneficial effects:
The present invention a kind of projector and projector apparatus of band extension functional interface, projector apparatus includes being used for projector
Standard interface male seat and standard interface base for extended function module, using the standard interface (standard interface male seat and
Standard interface base) extended function module and projector integrated design may be implemented: input and output integration control may be implemented
System, display interface overall-in-one control schema, audio-video signal overall-in-one control schema.By between standard interface male seat and standard interface base
Shake hands and communication protocol, unlimited expansion of the projector to extended function module may be implemented in the case where not updating any software
Exhibition, also may be implemented unlimited matching of the extended function module to projector, can flexibly arrange in pairs or groups different platform projector and various expansions
Open up functional module.It convenient can be fixed in corresponding projection display devices using the standard interface extended function module,
Realize the purpose according to consumer demand by supplier's Quick Extended projector functions.For projector design, as long as
Meet the standard interface, required a variety of extended function modules can be selected at any time, everywhere, can easily meet different consumers
Individual demand.Structure design, the hardware and software development, project of identical appearance different function projector can be greatly reduced in this way
Management, quality test, shell processing, complete machine assembling link repeated work, reduce production cost；Simultaneously can also reduce inventory and
Sell the risk of stock.It for consumers, can also be the additional of the increased product of projector according to platform, technology development
Function, for user using more flexible, subsequent upgrade maintenance is more convenient, promotes product promotion sale.Especially this form
Projector interface is more comprehensively general, and the digital communication technology based on microcontroller is that the more new functions of exploitation extension in the future are reserved
Enough spaces, development cycle and investment so as to shorten more new functions.
Invention is further described in detail with reference to the accompanying drawings and embodiments, but a kind of band of the invention extends function
The projector and projector apparatus of interface are not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the structure chart of projector of the invention；
Fig. 2 is the structure chart of projector apparatus of the invention；
Fig. 3 is the outline drawing one of standard interface of the invention；
Fig. 4 is the outline drawing two of standard interface of the invention；
Fig. 5 is the definition table of standard interface of the invention；
Fig. 6 is handshake schematic diagram of the invention；
Fig. 7 is that manual disposable module of the invention matches flow chart；
Fig. 8 is automatic matching flow chart of the invention；
Fig. 9 is the remote control applications flow chart of the embodiment of the present invention.
Specific embodiment
Below by way of specific embodiment, the invention will be further described.
Embodiment 1
Referring to figure 1 and figure 2, on the one hand, a kind of projector of band extension functional interface of the present invention, the projector packet
Include projector engine 10, ray machine projector lens 11 and projector shell 12, be provided in the projector shell 12 one or
Multiple standard interface male seats 13 being inserted into for extended function module 30；Each standard interface male seat 13 is being thrown with setting
The control circuit of the extended function module 30 in shadow instrument shell 12 is connected；One is additionally provided in the projector shell 12
A or multiple module fixed slots 14, each 14 bottom surface of module fixed slot are provided with module insertion guide rail 15；The throwing
One or more openings are provided on shadow instrument shell 12；The extended function module 30 is inserted into from the opening, and along the mould
Block insertion guide rail 15 is inserted into the module fixed slot 14 until being connected with the standard interface male seat 13.
The projector is additionally provided with one or more cover boards 16；Each cover board 16 is to open described in covering one
Mouthful.
Several module fixed screw holes 17 to the fixation extended function module 30 are provided on the cover board 16.
Projector handle 18 is additionally provided at the top of the projector.12 surface of projector shell is provided with projector master
Machine interface 19.
The control circuit of the extended function module 30 designs on projector control circuit plate 20.
In the present embodiment, the projector includes but is not limited to DLP projector, LCOS projector, LCD projector, laser
Projector.
Embodiment 2
Referring to FIG. 1 to FIG. 4, a kind of projector apparatus of band extension functional interface of the present invention, including projector and expansion
Open up functional module；It is provided in the projector shell one or more so that the standard interface of extended function module insertion is public
Seat；Standard interface base is provided on the extended function module；The standard interface base is inserted into the standard interface male seat
When, the extended function module is connected and is matched with the projector.
Specifically, the projector includes projector engine 10, ray machine projector lens 11 and projector shell 12, it is described
One or more standard interface male seats 13 being inserted into for extended function module 30 are provided in projector shell 12；It is each described
Standard interface male seat 13 is connected with the control circuit for the extended function module 30 being arranged in projector shell 12；Institute
It states and is additionally provided with one or more module fixed slots 14 in projector shell 12, each 14 bottom surface of module fixed slot is set
It is equipped with module insertion guide rail 15；One or more openings are provided on the projector shell 12；The extended function module 30
It is inserted into from the opening, and is inserted into the module fixed slot 14 until with the standard interface along module insertion guide rail 15
Male seat 13 is connected.
The projector is additionally provided with one or more cover boards 16；Each cover board 16 is to open described in covering one
Mouthful.
Several module fixed screw holes 17 to the fixation extended function module 30 are provided on the cover board 16.
Projector handle 18 is additionally provided at the top of the projector.12 surface of projector shell is provided with projector master
Machine interface 19.
The control circuit of the extended function module 30 designs on projector control circuit plate 20.
In the present embodiment, the projector includes but is not limited to DLP projector, LCOS projector, LCD projector, laser
Projector.
Specifically, being provided with standard interface base 31 on each extended function module 30；The standard interface base
When the 31 insertion standard interface male seat 13, the extended function module 30 is connected with the projector.
The function module circuit plate 34 to realize corresponding function is provided in the extended function module 30.In addition, institute
The end for stating extended function module 30 is provided with module knob 35 and is pulled out the extended function module 30 with facilitating, thus into
Row replacement.
Each extended function module 30 is of the same size.
Several modules to match with module fixed screw holes 17 are provided on each extended function module 30 to fix
Nut 32.
The extended function module 30 includes PC module, wirelessly throws panel module, network media playing module, high definition
One or more of Digital Media playing module and digital TV receiver module.
The PC module includes but are not limited to built-in X86 ARM framework central processing unit, uses
Windows operating system, Android operation system, iOS operating system, Mac operating system, (SuSE) Linux OS, Chrome
The PC console module of one of operating system, UNIX operating system or multiple systems.
The network media playing module be include but are not limited to Android TV, Fire TV, Netflix,
The various internet licence plate content platform playback equipment modules such as Youtube, iqiyi.com, Tencent's video.
The projector apparatus with extension functional interface of the present embodiment, ray machine built in the projector engine and its driving system
System, cooling system, loudspeaker and audio amplifier system, battery charging and discharging system, while shielding including PC module, wireless throw
The control of the multiple functions modules such as module, network media playing module, high-definition digital media player module, digital TV receiver module
Circuit processed and program, at least one or more standard interface male seat 13 connect the audio-video imput output circuit of the projector, control
Signal communication circuit, data transmission circuit and power input processed export output circuit；At least one is reserved in the shell of the projector
A or multiple spaces that can place a variety of extended function modules 30, and the extension can be connected equipped with one in the space
The standard interface male seat 13 of functional module 30；A cover board 16 for covering above-mentioned space is arranged in 12 top of projector shell；
The space interior be provided with the module fixed screw holes 17 for installing extended function module 30 described in the above identical size and convenient for tearing open,
The module for filling functional module is inserted into guide rail 15；Several extended function modules 30 above-mentioned mounting means having the same and installation ruler
It is very little, and an identical definition and specification are equipped with including audio-video input/output port, control signal communication port, number
According to the standard interface base 31 of transmission port and power input output port；Appointed with facilitating in above-mentioned a variety of extended function modules 30
It anticipates a kind of module fixed screw holes 17 that the functional module selected is placed in the space and port is correspondingly connected with to above-mentioned
Standard interface male seat 13 on.Open the extension function that the module volume cover board 16 on projector will be selected arbitrarily in which can be convenient
Energy module 30 is mounted in reserved space, just completes the installation of entire function expanding module, the projector is made to realize this kind
The extension of function.It thus can quickly and easily be supplied to user's use.It can built-in phase on the extended function module 30
Answer all functional modules interface 33 required for functions of modules, after extended function module 30 is installed, these functional modules
Interface 33 can stay in the exposed side of module in complete machine, not only can meet user facilitate anywhere or anytime it is external
Other equipment, and solve the requirement on different extended function modules 30 to distinct interface socket difference.
Interface shown in Figure 5, being connected between the pin of the standard interface base and the standard interface male seat
Including audio-video input/output interface, control signal communication interface, data transmission interface and power input output interface；
The audio-video input/output interface include HDMI signal, DP signal, eDP signal, LVDS signal, MIPI signal,
One of Vby1 signal, CVBS signal and rgb video signal or a variety of audio-video input/output interfaces；
The control signal communication interface includes I2C signal, UART signal, IR remote controller signal, handshake, extension
Functional module is inserted in place one of detection signal, power supply status indication signal, reset signal or various control signaling interface；
The data transmission interface includes that one of USB2.0, USB3.0, USB OTG signal or the transmission of a variety of data connect
Mouthful；
The power input output interface includes DC voltage or the DC voltage of multichannel different voltages value all the way.
The standard interface base and the standard interface male seat respectively include 50 interfaces, and wherein interface 1 to 17 is defined as
Audio-video input/output interface；Interface 18 to 25 is defined as power input output interface；Interface 40 to 44 is defined as data transmission
Interface；Interface 31 to 38 is defined as control signal communication interface.
Wherein, the 37th interface include a Handshake Protocol, by the agreement can quickly, accurately identify module I D, realize it is soft
Control instructions conversion, the interface menu integrations such as one key restoring function of part, realization remote control or touch etc..The agreement can identify expansion
Open up customized order and supply voltage in the communication type (I2C/UART/IR) and module between module and projector engine；
Module can carry out online upgrading by software of the interface to host；It can identify the type, scheme, version of expansion module
Number, customer information；The audio-video type that expansion module can be supported can be defined；It can be with intelligent display SOURCE (in agreement table
ASCII character type field, be used for memory module title, such as: PC, ATV, FTV etc.) field；It can also be according to projector
Or the demand of module does some specific function definition and supplement.
Specifically, shown in Figure 6, when the standard interface base is inserted into the standard interface male seat, the standard is connect
Mouth male seat carries out three-way handshake by the 37th interface with the standard interface base and communicates to establish connection.It should be noted that
37th interface and the 38th interface, which match, is also used to realize I2C or UART communication, and it is logical that the 38th interface is also used to IR (infrared remote control)
Letter.
The method of three-way handshake communication includes:
The projector sends request message to the extended function module；
The extended function module replys confirmation message to the projector；The extended function module is to the projector
Replying confirmation message includes communication type, the characteristic value of communication protocol and check code；
The projector receive expansion module reply confirmation message after, judgement reply message in check code whether just
Really (specifically, the projector carries out binary system summation to the data received, the verification with the extended function module received
Code is compared, if unanimously meant that correct), if correctly, success of shaking hands, the projector and the extended function module
Establish connection.
The communication type includes I2C or UART；When the communication type is I2C, the characteristic value is the ground of I2C
Location；When the communication type is UART, the characteristic value is the baud rate of UART.
Specifically, the extended function module replys 5 bytes in confirmation message to the projector is defined as: the 1st
A byte represents communication protocol type (01=I2C, 02=UART), and the 2nd~4 byte represents the address of I2C or the baud of UART
Rate, the 5th byte check code.
Shown in Figure 7, for the scene by manual pairings, the extended function module is connected with the projector
And the method matched, comprising:
S601, the projector receiving module pairing request；
S602, the interface that the projector is connected by the standard interface male seat with the standard interface base is to institute
It states extended function module and sends connection request message；
S603, the projector judge whether the extended function module has reply confirmation message in preset time, if
It does not receive, turns S604；If there is receiving, turn S605；
S604 is switched to I2C communication, reads the agreement table built in the extended function module in EEPROM, turn S607；
S605, just whether the projector parses the confirmation message that the extended function module is replied, and judge check code
Really, if correctly, turning S606；If incorrect, turn S602；
S606, the projector replys confirmation message to the extended function module, and is switched to the extension function mould
The communication type in confirmation message that block is replied；
S606 obtains the agreement table stored in the extended function module MCU module；
The agreement table is stored to projector, completes pairing, and be identified by S607.
Shown in Figure 8, for the scene of automatic matching, the extended function module is connected with the projector goes forward side by side
The method of row pairing, comprising:
S701 starts the projector；
S702, the projector judges whether to have completed configuration (specifically can be by judging whether to be stored with extension function
The module I D of module), if matched, turn S703；If unpaired, turn S704；
S703, the projector read from the agreement table of storage extended function module module I D whether the institute with insertion
The module I D for stating extended function module is consistent (specifically, the projector goes the extended function module to read by communication type
The module I D in agreement table is taken, and compared with stored module I D)；If consistent, turn S710；If inconsistent, turn
S704；
S704, the interface that the projector is connected by the standard interface male seat with the standard interface base is to institute
It states extended function module and sends connection request message；
S705, the projector judge whether the extended function module has reply confirmation message in preset time, if
It does not receive, turns S706；If there is receiving, turn S707；
S706 is switched to I2C communication, reads the agreement table built in the extended function module in EEPROM, turn S709；
S707, just whether the projector parses the confirmation message that the extended function module is replied, and judge check code
Really, if correctly, turning S708；If incorrect, turn S704；
S708, the projector replys confirmation message to the extended function module, and is switched to the extension function mould
The communication type in confirmation message that block is replied；
S709 obtains the agreement table stored in the extended function module MCU module；
The agreement table is stored to projector, completes configuration, and be identified by S710.
Specifically, the agreement table forms the table of a fixed format with the storage form of fixing address；Table content
Including module information class, there is ginseng to instruct and instruct without ginseng；The module information class includes signal type, module type, supplier
Title, module I D, supply voltage, electric current, serial port command, remote control coding type and I2C command address；It is described have ginseng instruction include
Data transmission with numerical value；It is described without ginseng instruction include booting, shutdown, it is standby, restart, volume key, directionkeys, number key, with
And other kinds module UI operates related function key.
Specifically, the configuration of projector engine is depended on using manual pairings and automatic matching selection mode, it can also be with hand
Dynamic pairing is mutually compatible with automatically configuring to be realized.
Referring to Fig. 9, the remote control applications flow diagram of the projector apparatus of functional interface is extended for present invention band, it can be with
Find out, for the present invention, it is only necessary to which a remote controler can control projector and extended function module simultaneously.
The above is only a specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all to utilize this
Design makes a non-material change to the present invention, and should all belong to behavior that violates the scope of protection of the present invention.
Claims (10)
1. a kind of projector of selectable extension function module, including projector shell, which is characterized in that the projector shell
Inside it is provided with one or more standard interface male seats for extended function module insertion；Each standard interface male seat with
The control circuit that the intracorporal extended function module of projector shell is arranged in is connected；It is additionally provided in the projector shell
One or more module fixed slots, each module fixed slot bottom surface are provided with module insertion guide rail；The projector
One or more openings are provided on shell；The extended function module is inserted into from the opening, and is led along module insertion
Rail is inserted into the module fixed slot until being connected with the standard interface male seat.
2. a kind of projector apparatus of band extension functional interface, which is characterized in that including projector and extended function module；It is described
One or more standard interface male seats for extended function module insertion are provided in projector shell；The extension function mould
Standard interface base is provided on block；When the standard interface base is inserted into the standard interface male seat, the extension function mould
Block is connected and is matched with the projector.
3. according to a kind of projector apparatus for band extension functional interface that claim 2 is stated, which is characterized in that the extension function
Module is connected with the projector, specifically: when the standard interface base is inserted into the standard interface male seat, the standard
Interface male seat carries out three-way handshake by a signal wire with the standard interface base and communicates to establish connection.
4. a kind of projector apparatus of band extension functional interface according to claim 3, which is characterized in that described to hold three times
Hand communication method include:
The projector sends request message to the extended function module；
The extended function module replys confirmation message to the projector；The extended function module is replied to the projector
Confirmation message includes communication type, the characteristic value of communication protocol and check code；
After the projector receives the confirmation message of expansion module reply, judge whether the check code in replying message is correct,
If correct, success of shaking hands, the projector and the extended function module establish connection.
5. a kind of projector apparatus of band extension functional interface according to claim 4, which is characterized in that the communication class
Type includes I2C or UART；When the communication type is I2C, the characteristic value is the address of I2C；When the communication type is
When UART, the characteristic value is the baud rate of UART.
6. a kind of projector apparatus of band extension functional interface according to claim 1, which is characterized in that the extension function
The method that energy module is connected and is matched with the projector, comprising:
S601, the projector receiving module pairing request；
S602, the interface that the projector is connected by the standard interface male seat with the standard interface base is to the expansion
It opens up functional module and sends connection request message；
S603, the projector judges whether the extended function module has reply confirmation message in preset time, if do not had
It receives, turns S604；If there is receiving, turn S605；
S604 is switched to I2C communication, reads the agreement table built in the extended function module in EEPROM, turn S607；
S605, the projector parses the confirmation message that the extended function module is replied, and judges whether check code is correct, such as
Fruit is correct, turns S606；If incorrect, turn S602；
S606, the projector reply confirmation message to the extended function module, and are switched to the extended function module and return
Communication type in multiple confirmation message；
S606 obtains the agreement table stored in the extended function module MCU module；
The agreement table is stored to projector, completes configuration, and be identified by S607.
7. a kind of projector apparatus of band extension functional interface according to claim 1, which is characterized in that the extension function
The method that energy module is connected and is matched with the projector, comprising:
S701 starts the projector；
S702, the projector judge whether to complete to configure with the extended function module of insertion, if matched, turn
S703；If unpaired, turn S704；
S703, the projector read from the agreement table of storage extended function module module I D whether the expansion with insertion
The module I D for opening up functional module is consistent；If consistent, turn S710；If inconsistent, turn S704；
S704, the interface that the projector is connected by the standard interface male seat with the standard interface base is to the expansion
It opens up functional module and sends connection request message；
S705, the projector judges whether the extended function module has reply confirmation message in preset time, if do not had
It receives, turns S706；If there is receiving, turn S707；
S706 is switched to I2C communication, reads the agreement table built in the extended function module in EEPROM, turn S709；
S607, the projector parses the confirmation message that the extended function module is replied, and judges whether check code is correct, such as
Fruit is correct, turns S708；If incorrect, turn S704；
S708, the projector reply confirmation message to the extended function module, and are switched to the extended function module and return
Communication type in multiple confirmation message；
S709 obtains the agreement table stored in the extended function module MCU module；
The agreement table is stored to projector, completes configuration, and be identified by S710.
8. a kind of projector apparatus of band extension functional interface according to claim 6 or 7, which is characterized in that the association
Table is discussed with the storage form of fixing address, forms the table of a fixed format；Table content includes module information class, has ginseng to refer to
It enables and is instructed without ginseng；The module information class include signal type, module type, vendor name, module I D, supply voltage,
Electric current, serial port command, remote control coding type and I2C command address；It is described have ginseng instruction include with numerical value data transmission；It is described
Include booting without ginseng instruction, shuts down, is standby, restarting, volume key, directionkeys, number key and other kinds module UI operation institute
The function key being related to.
9. according to a kind of projector apparatus for band extension functional interface that claim 2 is stated, which is characterized in that the extension function
Module includes PC module, wirelessly throws panel module, network media playing module, high-definition digital media player module and number
One or more of TV-set receiving module.
10. according to a kind of projector apparatus for band extension functional interface that claim 2 is stated, the pin of the standard interface male seat
The interface being connected between the standard interface base includes audio-video input/output interface, control signal communication interface, number
According to coffret and power input output interface；
The audio-video input/output interface includes HDMI signal, DP signal, eDP signal, LVDS signal, MIPI signal, Vby1
One of signal, CVBS signal and rgb video signal or a variety of audio-video input/output interfaces；
The control signal communication interface includes I2C signal, UART signal, IR remote controller signal, handshake, extension function
Module is inserted in place one of detection signal, power supply status indication signal, reset signal or various control signaling interface；
The data transmission interface includes one of USB2.0, USB3.0, USB OTG signal or a variety of data transmission interfaces；
The power input output interface includes DC voltage or the DC voltage of multichannel different voltages value all the way.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910289293.2A CN110035266B (en) | 2019-04-11 | 2019-04-11 | Projector device with extended function interface |
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|---|---|---|---|
| CN201910289293.2A CN110035266B (en) | 2019-04-11 | 2019-04-11 | Projector device with extended function interface |
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| CN110035266B CN110035266B (en) | 2024-04-02 |
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| CN1350666A (en) * | 1999-03-15 | 2002-05-22 | 西门子能量及自动化公司 | Input filter for a programmable logic controller and associated method |
| US6525932B1 (en) * | 1999-08-18 | 2003-02-25 | Fujitsu Limited | Expansion unit and electronic apparatus |
| CN209964211U (en) * | 2019-04-11 | 2020-01-17 | 漳州万利达科技有限公司 | Projector with extended function interface and projector device |
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2019
- 2019-04-11 CN CN201910289293.2A patent/CN110035266B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5097439A (en) * | 1989-11-08 | 1992-03-17 | Quantum Corporation | Expansible fixed disk drive subsystem for computer |
| CN1350666A (en) * | 1999-03-15 | 2002-05-22 | 西门子能量及自动化公司 | Input filter for a programmable logic controller and associated method |
| US6525932B1 (en) * | 1999-08-18 | 2003-02-25 | Fujitsu Limited | Expansion unit and electronic apparatus |
| CN209964211U (en) * | 2019-04-11 | 2020-01-17 | 漳州万利达科技有限公司 | Projector with extended function interface and projector device |
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| CN110035266B (en) | 2024-04-02 |
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