CN102221853A - Modularization method for touch all-in-one machine and touch all-in-one machine - Google Patents
Modularization method for touch all-in-one machine and touch all-in-one machine Download PDFInfo
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Abstract
The embodiment of the invention discloses a touch all-in-one machine, which comprises a plurality of functional modules, a main control module and a power supply module, wherein the main control module is used for coordinating and controlling the functional modules; the main control module is provided with a communication function and an interface; the plurality of functional modules are communicated with the main control module in respective communication modes and have relatively independent functions respectively; the main control module is electrically connected with the plurality of functional modules and the power supply module respectively. The embodiment of the invention also discloses a modularization method for the touch all-in-one machine. By adopting the modularization method for the touch all-in-one machine and the touch all-in-one machine, complex and multi-related projects can be simplified, and the unitized design is carried out on the interface with unified definition standard.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of modular approach and this touch one-piece machine that is used for touch one-piece machine.
Background technology
Present most of touch one-piece machine adopts the design of pin-connected panel, and portion's product of using in the machine are carried out the connection of simple machinery, realizes simple function, and this mode is not suitable for upgrading, the design optimization of touch one-piece machine product.The touch one-piece machine product is the system of multi-functional complexity such as composite television, computer, touch, wireless transmission, demonstration, simple and mechanical links to each other functional part, can not embody the integrated and systemic of product, and the demand in different markets is as easy as rolling off a log to cause producing difficulty with control, and material and portion's product are difficult to obtain management and control, the after sale service inefficiency, be difficult to find the trouble spot, maintenance and the difficulty of changing are high, also have certain gap from real product design.
Particularly, traditional touch all-in-one shortcoming is at present: adopt the method for designing of mosaic type, do not reach the integration product designing requirement; Be unfavorable for satisfying the demand in different markets; The inefficiency of after sale service; The product design thinking is indeterminate, and direction is unintelligible.
Summary of the invention
Embodiment of the invention technical matters to be solved is, a kind of touch one-piece machine and touch one-piece machine modular approach are provided, related data processing projects complexity, many can be oversimplified, and the unified interface of definition standard carried out blocking design, modular design makes things convenient for the function upgrading and the maintenance of complete machine.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of touch one-piece machine, comprising: a plurality of functional modules, the power module that is used to coordinate and control the main control module of described a plurality of functional modules and is used for described main control module and described a plurality of functional module are powered;
Described main control module has communication function and interface;
Described a plurality of functional module communicates by communication modes and described main control module separately, and has relatively independent function respectively;
Described main control module is electrically connected with described a plurality of functional modules, described power module respectively.
Described a plurality of functional module comprises signal processing module, computer module, touch modules, display module and playing module;
Described computer module is electrically connected with described signal processing module, is used for after receiving the power-on command that described main control module sends to described signal processing module output display frame and sound signal;
Described signal processing module is electrically connected with described display module and described playing module respectively, is used for described display frame and sound signal are decoded, and display module is exported in described display frame, gives a loudspeaker with described audio signal output;
The surface that described touch modules is installed on a display screen is used to obtain external touch information, and is electrically connected with described main control module, and described touch modules sends to described computer module with the described external touch information of obtaining by described main control module.
Described playing module is used to play foreign medium equipment, includes but not limited to DVD, CD and MP3, audio-video signal can be sent to described signal processing module.
The external touch information calculations that described computer module is used for that described touch modules is obtained becomes relevant coordinate information, and obtains touch track information according to described relevant coordinate information, and shows the touch process by described display module.
Described main control module is electrically connected with described power module, described signal processing module, described computer module, described touch modules and described playing module respectively.
Described main control module includes but not limited to single-chip microcomputer, ARM(Advanced RISC Machines) serial controller, SOC(System on a Chip) type;
Described communication modes comprises various general-purpose interfaces and interface signal, described general-purpose interface comprises parallel interface, DVI(Digital Visual Interface, digital visual interface), VGA(Video Graphics Array, Video Graphics Array) interface of interface, serial ports, USB, SPI, I2C or the butt joint of other male and female, described interface signal comprises video/audio signal, control signal, communication signal, power supply signal.
The invention also discloses a kind of modular approach that is used for touch one-piece machine, may further comprise the steps:
The main control module sends the opening power order to the power module that is electrically connected with it;
Power module is in the time of signal processing module, computer module and touch modules power supply, the main control module sends power-on command to described signal processing module, described computer module and described touch modules, and described computer module is exported display frame and sound signal to described signal processing module after receiving this power-on command;
Signal processing module is decoded to described display frame and sound signal, and display module is exported in described display frame, gives loudspeaker with described audio signal output;
Touch modules sends to computer module with external touch information by the main control module, and computer module calculates relevant coordinate information according to above-mentioned touch information, obtains touch track information according to relevant coordinate information, and shows the touch process by display module.
The modular approach that is used for touch one-piece machine is further comprising the steps of:
Described main control module is received shutdown command;
The off-mode of described main control module detection computations machine;
Described main control module sends shutdown command according to shutdown command of receiving and described detected state.
The modular approach that is used for touch one-piece machine is further comprising the steps of:
Described display module shows the display frame of receiving that described playing module is play the sound signal of receiving on loudspeaker on a display screen.
The step of the off-mode of described main control module detection computations machine may further comprise the steps:
Described main control module still detects the off-mode less than computing machine in a period of time after described computer module sends shutdown command;
Described main control module sends shutdown command to described display module, described power module, described signal processing module, described computer module, described touch modules and described playing module, cuts off the electricity supply.
Implement the embodiment of the invention, have following beneficial effect: because touch one-piece machine comprises a plurality of functional modules, main control module and power module; Described main control module has communication function and interface; Described a plurality of functional module communicates by communication modes and described main control module separately, and has relatively independent function respectively; Described main control module is electrically connected with described a plurality of functional modules, described power module respectively.Related projects simplifications complexity, many, the unified interface of definition standard can be carried out the blocking design, satisfy different clients' the market demand, be convenient to upgrading and renewal specific functional modules; The device standardization is with the reusability of raising portion product or concrete module, avoids and minimizing repeats work; After sale service is more convenient, efficient, modularization, and easier pinpointing the problems, and can realize changing the most fast; System the modular design thinking with each concrete function and module independently separately, mentality of designing is more clear, on module independently, the model change technical goal is more clear, is convenient to prolong the life cycle of product.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the internal module structural representation of touch one-piece machine first embodiment of the present invention;
Fig. 2 is the connection diagram of the internal module of touch one-piece machine second embodiment of the present invention;
Fig. 3 is the process flow diagram of touch one-piece machine modular approach embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the internal module structural representation of touch one-piece machine first embodiment of the present invention.Described touch one-piece machine comprises the power module that is used to coordinate and control the main control module of described a plurality of functional modules and is used for described main control module and described a plurality of functional module are powered, and a plurality of functional modules comprise functional module 1, functional module 2 ... functional module n.
Wherein, described main control module is used for coordinating and the work of control all functions module, and described all functions module all has relatively independent function.Described main control module can be single-chip microcomputer, ARM(Advanced RISC Machines) serial controller, SOC(System on a Chip) etc. type, this main control module self has communication function and interface, can design according to different requirements.Described functional module 1, functional module 2 ... functional module n and main control module are carried out communication in real time by specific communication modes, are controlled by the main control module, realize that the communication of total system is unimpeded.Described all functions module and described main control module are by self-defined general-purpose interface, for example parallel interface, DVI(Digital Visual Interface, digital visual interface), VGA(Video Graphics Array, Video Graphics Array) interface of interface or other male and female butt joint carries out communication, described functional module can be connected with general cable with described main control module, and the connecting interface signal comprises video/audio signal, control signal, communication signal, power supply etc.
That is to say, between described main functional modules and the described all functions module is modular the connection: between described master controller and each functional module, the one group of gang socket (as two connectors of corresponding male and female) by self-defined standard interface links together two modules (comprising power supply, audio-video signal, control and communication signal etc.).Between described main functional modules and the described all functions module is modular communication: between described master controller and each functional module, (as serial ports, USB, SPI, I2C etc.) carry out communication by various communication modes, the communication data of each functional module all mails to master controller, the function that master controller is unified to control according to the requirement of system design.
Fig. 2 is the internal module structural representation of touch one-piece machine second embodiment of the present invention.As a specific embodiment, below describe the concrete formation of a plurality of functional modules in detail: a plurality of functional modules comprise main control module 200, power module 201, signal processing module 202, computer module 203, touch modules 204, display module 205 and DVD playing module 206.
The external touch information calculations that computer module 203 is used for that touch modules is obtained becomes relevant coordinate information, and obtains touch track information according to relevant coordinate information, and shows the touch process by display module 205.
After main control module 200 is used to receive outside start-up command, send the opening power order,, guarantee the whole system operation electricity consumption with the sequential control switch and the power consumption control switch of opening power to power module 201.This main control module 200 also is used for sending power-on command to signal processing module 202, computer module 203, touch modules 204.
Described power module 201 is used to receive the order of main control module 200 opening power, to guarantee whole work system electricity consumption.
Described signal processing module 202 is used to receive described main control module 200 and sends power-on command.
Described computer module 203 is used to receive described main control module 200 and sends power-on command, also is used to receive after the above-mentioned power-on command to these signal processing module 202 output display frame and sound signals.
Described signal processing module 202 also is used for the display frame and the sound signal of described computer module 203 inputs are decoded, and display module 205 is exported in above-mentioned display frame, and the audio signal output loudspeaker 207 after will amplifying.
Described DVD playing module 206 is used to play the foreign medium file, and audio-video signal is transferred to signal processing module 202.
Described touch modules 204 is used to receive described main control module 200 and sends power-on command.Touch modules 204 is installed in the surface of display screen, with induction external touch information.Described touch modules 204 also is used for the external touch information of induction is sent to computer module 203 by main control module 200.
Described computer module 203 also is used for calculating relevant coordinate information by above-mentioned touch information, obtains touch track information according to relevant coordinate information, and this touch track information is sent to display module 205.
The display frame that described display module 205 is used for receiving shows on display screen.
Described main control module 200 also is used to receive outside shutdown command, and sends shutdown command to computer module 203, and the on-off state of detection computations machine.Particularly, sometimes computer corruption can not respond the shutdown command that main control module 200 sends, when main control module 200 still detects off-mode less than computing machine in a period of time after computer module 203 sends shutdown command, this main control module 200 will be sent the forced shutdown order.
Described main control module 200 also is used for when detecting computing machine and be off-mode, send shutdown command to display module 205, power module 201, signal processing module 202, computer module 203, touch modules 204 and DVD playing module 206, cut off the electricity supply then to realize minimum stand-by power consumption.
Fig. 3 is the process flow diagram of touch one-piece machine modular approach embodiment of the present invention.
Step S300, system's energising after main control module 200 is received outside start-up command, sends the opening power order to power module 201, with the sequential control switch and the power consumption control switch of opening power, guarantees the whole system operation electricity consumption.
Step S301, main control module 200 sends power-on command to signal processing module 202, and this main control module 200 sends power-on command to computer module 203, touch modules 204 respectively subsequently.Computer module 203 is exported display frame and sound signals to this signal processing module 202 after receiving above-mentioned power-on command.
Step S302, the display frame and the sound signal of 202 pairs of described computer module 203 inputs of signal processing module are decoded, and display module 205 is exported in above-mentioned display frame, and the audio signal output after will amplifying are given DVD playing module 206.Display module 205 shows the display frame of receiving that DVD playing module 206 broadcasts the sound signal of receiving by loudspeaker on display screen.
Step S303, touch modules 204 is installed in the surface of display screen, with induction external touch information.Described touch modules 204 sends to computer module 203 with the external touch information of induction by main control module 200, computer module 203 calculates relevant coordinate information by above-mentioned touch information, obtain touch track information according to relevant coordinate information, and this touch track information is sent to display module 205.Display module 205 reduces this time touch process by display screen.
Step S304, main control module 200 receives outside shutdown command.
Step S305, main control module 200 sends shutdown command to computer module 203, and the on-off state of detection computations machine.Particularly, sometimes computer corruption can not respond the shutdown command that main control module 200 sends, when main control module 200 still detects off-mode less than computing machine in a period of time after computer module 203 sends shutdown command, this main control module 200 will be sent the forced shutdown order.
Step S306, when main control module 200 detects computing machine and is off-mode, send shutdown command to display module 205, power module 201, signal processing module 202, computer module 203, touch modules 204 and DVD playing module 206, cut off the electricity supply then to realize minimum stand-by power consumption.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. touch one-piece machine, it is characterized in that described touch one-piece machine comprises: a plurality of functional modules, the power module that is used to coordinate and control the main control module of described a plurality of functional modules and is used for described main control module and described a plurality of functional module are powered;
Described main control module has communication function and interface;
Described a plurality of functional module communicates by communication modes and described main control module separately, and has relatively independent function respectively;
Described main control module is electrically connected with described a plurality of functional modules, described power module respectively.
2. touch one-piece machine as claimed in claim 1 is characterized in that,
Described a plurality of functional module comprises signal processing module, computer module, touch modules, display module and playing module;
Described computer module is electrically connected with described signal processing module, is used for after receiving the power-on command that described main control module sends to described signal processing module output display frame and sound signal;
Described signal processing module is electrically connected with described display module and described playing module respectively, is used for described display frame and sound signal are decoded, and display module is exported in described display frame, gives a loudspeaker with described audio signal output;
The surface that described touch modules is installed on a display screen is used to obtain external touch information, and is electrically connected with described main control module, and described touch modules sends to described computer module with the described external touch information of obtaining by described main control module;
Described playing module is used to play foreign medium equipment, includes but not limited to DVD, CD and MP3, audio-video signal can be sent to described signal processing module.
3. touch one-piece machine as claimed in claim 2 is characterized in that,
The external touch information calculations that described computer module is used for that described touch modules is obtained becomes relevant coordinate information, and obtains touch track information according to described relevant coordinate information, and shows the touch process by described display module.
4. touch one-piece machine as claimed in claim 3 is characterized in that, described main control module is electrically connected with described power module, described signal processing module, described computer module, described touch modules and described playing module respectively.
5. as each described touch one-piece machine of claim 1-4, it is characterized in that described main control module includes but not limited to single-chip microcomputer, ARM(Advanced RISC Machines) serial controller, SOC(System on a Chip) type.
6. as each described touch one-piece machine of claim 1-4, it is characterized in that, described communication modes comprises various general-purpose interfaces and interface signal, described general-purpose interface comprises parallel interface, DVI(Digital Visual Interface, digital visual interface), VGA(Video Graphics Array, Video Graphics Array) interface of interface, serial ports, USB, SPI, I2C or the butt joint of other male and female, described interface signal comprises video/audio signal, control signal, communication signal, power supply signal.
7. a modular approach that is used for touch one-piece machine is characterized in that, may further comprise the steps:
The main control module sends the opening power order to the power module that is electrically connected with it;
Power module is in the time of signal processing module, computer module and touch modules power supply, the main control module sends power-on command to described signal processing module, described computer module and described touch modules, and described computer module is exported display frame and sound signal to described signal processing module after receiving this power-on command;
Signal processing module is decoded to described display frame and sound signal, and display module is exported in described display frame, gives loudspeaker with described audio signal output;
Touch modules sends to computer module with external touch information by the main control module, and computer module calculates relevant coordinate information according to above-mentioned touch information, obtains touch track information according to relevant coordinate information, and shows the touch process by display module.
8. the modular approach that is used for touch one-piece machine as claimed in claim 7 is characterized in that, this method also comprises step:
Described main control module is received shutdown command;
The off-mode of described main control module detection computations machine;
Described main control module sends shutdown command according to shutdown command of receiving and described detected state.
9. the touch one-piece machine modular approach that is used for as claimed in claim 8 is characterized in that this method also comprises step:
Described display module shows the display frame of receiving that described playing module is play the sound signal of receiving on loudspeaker on a display screen.
10. the touch one-piece machine modular approach that is used for as claimed in claim 8 is characterized in that, the step of the off-mode of described main control module detection computations machine may further comprise the steps:
Described main control module still detects the off-mode less than computing machine in a period of time after described computer module sends shutdown command;
Described main control module sends shutdown command to described display module, described power module, described signal processing module, described computer module, described touch modules and described playing module, cuts off the electricity supply.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104035798A (en) * | 2014-06-14 | 2014-09-10 | 青岛歌尔声学科技有限公司 | Multifunctional electronic equipment with function of sequential starting up and starting up method of electronic equipment |
CN116578221A (en) * | 2023-04-20 | 2023-08-11 | 广州触派科技股份有限公司 | All-dimensional central control touch integrated machine and control method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101000650A (en) * | 2007-01-05 | 2007-07-18 | 北京华芯同源科技有限公司 | Touch-control number marking device |
CN201590063U (en) * | 2010-01-12 | 2010-09-22 | 广州视源电子科技有限公司 | Multifunctional integrative machine |
CN201622550U (en) * | 2009-11-06 | 2010-11-03 | 深圳市创互科技有限公司 | Large-screen high-definition touch-control all-in-one machine |
-
2011
- 2011-06-20 CN CN201110165421.6A patent/CN102221853B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101000650A (en) * | 2007-01-05 | 2007-07-18 | 北京华芯同源科技有限公司 | Touch-control number marking device |
CN201622550U (en) * | 2009-11-06 | 2010-11-03 | 深圳市创互科技有限公司 | Large-screen high-definition touch-control all-in-one machine |
CN201590063U (en) * | 2010-01-12 | 2010-09-22 | 广州视源电子科技有限公司 | Multifunctional integrative machine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104035798A (en) * | 2014-06-14 | 2014-09-10 | 青岛歌尔声学科技有限公司 | Multifunctional electronic equipment with function of sequential starting up and starting up method of electronic equipment |
CN104035798B (en) * | 2014-06-14 | 2017-04-26 | 青岛歌尔声学科技有限公司 | Multifunctional electronic equipment with function of sequential starting up and starting up method of electronic equipment |
CN116578221A (en) * | 2023-04-20 | 2023-08-11 | 广州触派科技股份有限公司 | All-dimensional central control touch integrated machine and control method |
CN116578221B (en) * | 2023-04-20 | 2023-11-24 | 广州触派科技股份有限公司 | All-dimensional central control touch integrated machine and control method |
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