CN102522059A - Display device of automobile state data and display item control achieving method thereof - Google Patents
Display device of automobile state data and display item control achieving method thereof Download PDFInfo
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- CN102522059A CN102522059A CN2011104416987A CN201110441698A CN102522059A CN 102522059 A CN102522059 A CN 102522059A CN 2011104416987 A CN2011104416987 A CN 2011104416987A CN 201110441698 A CN201110441698 A CN 201110441698A CN 102522059 A CN102522059 A CN 102522059A
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Abstract
The invention relates to a display device of automobile state data, which comprises a display screen for displaying the automobile state data and further comprises a control unit connected with the display screen and used for driving the display screen to display the data obtained by the display screen. The control unit is respectively connected with a plurality of automobile function modules, obtains output data of the automobile function modules, and transmits commands sent from the control unit to all the function modules. The control unit is further connected with an input device for inputting signals and enabling the control unit to send out different commands to the function modules. The invention further relates to a method for achieving control of display items on the display device of the automobile state data. The display device of automobile state data and the display item control achieving method of the display device have the following advantages of being low in cost, small in volume and convenient to use.
Description
Technical field
The present invention relates to vehicle electric field, more particularly, relate to a kind of vehicle condition data presentation device and realize the method that display items display is controlled.
Background technology
Displaying Meter on the automobile has comprised numerous species, has represented the significant data of motoring condition basically.For example, speed, engine speed, water temperature or the like.Traditionally, these instrument all are independently and are special-purpose.Along with the development of technology, engendered incorporate instrument.Above-mentioned instrument traditionally that these instrument are integrated makes that the user is more or less freely watching on the run.The instrument that is integrated has the conventional analogue instrument, and new, digital electronic instrument is also arranged.But existing this integrated instrument all has characteristics or defective, and its items displayed is corresponding with instrument, and is immutable.For example, if water-thermometer is not put into wherein when integrated, then in use just can not show water temperature.This has influenced user's use to a certain extent.For example a certain parameter can be employable few, but need use it to come decision problem in some cases again, and its instrument is integrated, and not only cost increases, and can bring integrated instrument volume to strengthen, and is not easy to problems such as installation; But as not integrated, can't see this parameter again when going wrong, can not decision problem the place, thereby bring user of service's inconvenience.
Summary of the invention
The technical matters that the present invention will solve is; Above-mentioned cost to prior art is high, be not easy to install, use inconvenient defective, provide a kind of cost low, be convenient to install, vehicle condition data presentation device easy to use and realize the method for display items display control.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of vehicle condition data presentation device; Comprise the display screen that is used for the display automobile status data; Comprise that also being connected, driving said display screen with said display screen shows its control unit for data that obtains; Said control module is connected with a plurality of automobile function modules respectively, obtains the data of its output and transmits instruction that said control module sends to said each functional module; Said control module also be used for input signal and make said control module send different instructions to connect to the input media of said functional module.
In vehicle condition data presentation device of the present invention, said control module is connected through identical or different UART or spi bus respectively with said a plurality of automobile function modules; Said automobile function module comprises media player, drive recorder, GPRS communication apparatus or the GPS navigation equipment that is arranged on the automobile.
In vehicle condition data presentation device of the present invention, at least one is provided with the CAN transceiver that is connected with said automobile CAN-bus in said media player, drive recorder, GPRS communication apparatus or the GPS navigation equipment.
In vehicle condition data presentation device of the present invention, said automobile function module also be provided be installed in automobile on warning device warning IO port that be connected, that be used to obtain said warning device output alarm signal; The data transmission that said warning IO port is obtained shows to said control module and on said display screen.
In vehicle condition data presentation device of the present invention, said automobile function module comprise be connected with said automobile CAN-bus and obtain its transmitting data, as the CAN transceiver of a node on the CAN bus.
In vehicle condition data presentation device of the present invention, said control module also respectively be used for carrying out the USB interface that data exchange and the storer that is used for store local data is connected with outside; Said storer is the SD card.
In vehicle condition data presentation device of the present invention, said input media is included on the said display screen with touch manner and realizes the software dish of input, the keyboard that is connected with said control module or arrive the telepilot of said control module with infrared or wireless mode input signal.
The invention still further relates to a kind of method that on the vehicle condition data presentation device, realizes display items display control, said vehicle condition data presentation device comprises control module, the display screen that is connected with said control module, the input media and at least one functional module that is connected with said control module that are connected with said control module; Said method comprises the steps:
A) said control module is obtained input signal, and judges the display items display of said input signal representative;
B) search said display items display corresponding functional module and operation thereof, corresponding functional module is arrived in the corresponding instruction of output;
C) said functional module is operated, and obtains data and is transferred to said control module;
D) said control module is exported said data to said display screen, switches said display items display or shows said data at the assigned address of said display screen.
In method of the present invention, said input signal is through realizing the software dish of input, the keyboard that is connected with said control module or be input to said control module with infrared or wireless mode input signal to the telepilot of said control module with touch manner on said display screen.
In method of the present invention, said functional module comprises with said automobile CAN-bus and being connected, as a node of said CAN bus and obtain the CAN transceiver of the data of transmitting on the CAN bus.
The method of the vehicle condition data presentation device of embodiment of the present invention and the control of realization display items display thereof; Has following beneficial effect: because the control module receiving inputted signal; Judge pairing functional module of control signal and data; And will send to corresponding functional modules because of the instruction that above-mentioned control signal produces, make this functional module produce corresponding operation and will obtain that data send to control module and then on display screen, show this obtains data.So it does not need special-purpose Displaying Meter just can show the parameter of multiple this vehicle condition of expression, thus cost is low, volume is little, easy to use.
Description of drawings
Fig. 1 is the structural representation of display device among vehicle condition data presentation device of the present invention and the method embodiment that realizes display items display control thereof;
Fig. 2 is the method flow diagram among the said embodiment;
Fig. 3 is the process flow diagram that input signal converts instruction output among the said embodiment.
Embodiment
To combine accompanying drawing that the embodiment of the invention is described further below.
As shown in Figure 1; At vehicle condition data presentation device of the present invention and realize among the method embodiment of display items display control, this vehicle condition data presentation device comprises control module 1, display screen 2, first functional module 3, n functional module 4, keyboard or remote control load module 5, USB interface 6, SD card 7.Wherein, the above-mentioned functions module can be one or more (in the present embodiment, only providing first and n functional module for simplicity), and keyboard or the touch-screen of remote control load module 5 on display screen 2 are formed input media; SD card 7 is the local memory storages that are connected with control module 1.
In the present embodiment, control module 1 is connected with display screen 2, drives the data that display screen 2 indicative control units 1 are obtained; Particularly; Control module 1 wants data presented to display screen 2 through the data bus transmission, through driving the bus transfer driving parameters to display screen 2 (seeing also Fig. 1), in addition; Control module 1 also be arranged on display screen 2 on touch-screen (part of input media) be connected, to obtain the input signal that produces on the touch-screen; Control module 1 also is connected with a plurality of automobile function modules (3 among Fig. 1,4) respectively, obtains the data of its output and instruction that transmission control unit 1 sends to each functional module; Control module 1 also be used for input signal and make control module 1 send different instructions to be connected to the input media (being keyboard or the remote control load module 5 and above-mentioned touch-screen among Fig. 1) of functional module (Fig. 13,4).That is to say that in the present embodiment, input media is included on the display screen 2 with touch manner and realizes the software dish of input, the keyboard that is connected with control module 1 or arrive the telepilot of said control module with infrared or wireless mode input signal.Control module 1 is connected through identical or different UART or spi bus respectively with the above-mentioned functions module; In the present embodiment, a plurality of functional modules are connected on the above-mentioned control module 1 through identical UART or spi bus; And different IO port connects respectively at the reseting port (RESET) of each functional module on the control module 1, is convenient to control module 1 output control signal make each functional module reset separately respectively; In addition, also has an audio-video signal input port (AV port) on the control module 1; If above-mentioned each functional module has audio-video signal output, all be connected on this port.In the present embodiment, the output of the audio frequency and video of each functional module is connected with the audio-video signal input port of above-mentioned control module 1 through switch or after similarly installing and connecing; What deserves to be mentioned is; In the present embodiment; Also be provided with an audio-video signal demoder between the audio frequency and video output terminal of above-mentioned functions module and the audio-video signal input port of control module 1; Be used for audio-video signal decoding, be transformed to the AV signal and be input to the port of above-mentioned control module 1, be convenient to its demonstration on display screen the coding of each functional module output.In the present embodiment, above-mentioned automobile function module can be arranged on a kind of in media player, drive recorder, GPRS communication apparatus and the GPS navigation equipment on the automobile or wherein several kinds; At least one is provided with the CAN transceiver 31 (in Fig. 1, being arranged in first functional module 3) that is connected with said automobile CAN-bus in these media players, drive recorder, GPRS communication apparatus or the GPS navigation equipment.This CAN transceiver 31 can be obtained any data of transmitting on the CAN bus as a node in the automobile CAN-bus, makes that like this this display device can be under the control of user input signal, obtains nearly all vehicle condition data and shows.In addition, this transceiver also can be arranged on other functional modules, and in Fig. 1, being arranged on first functional module only is to be convenient to narration.Certainly, under a kind of special situation, above-mentioned automobile function module also can be one do not have other functions and only be one be connected and obtain its transmitting data with automobile CAN-bus, as the CAN transceiver of a node on the CAN bus; And in certain embodiments, if do not have the CAN bus on the automobile, the above-mentioned functions module can not have the CAN transceiver yet, but has a bus or an equipment device that adapt, that obtain the various state parameters of automobile that exists with automobile; For example, can be a device that is connected on each sensor directly, respectively and obtains its output signal.
As shown in Figure 1, in the present embodiment, also be provided with in above-mentioned first functional module 3 be installed in automobile on warning device warning IO port 32 that be connected, that be used to obtain said warning device output alarm signal; The data transmission that warning IO port 32 is obtained shows to control module 1 and on display screen 2; In certain embodiments, these data can make the working condition of this warning device, also can be the alerting signals of this warning device output.Warning device described herein can be original just installation in the automobile, also can be the back dress.The such warning IO setting of ports and the demonstration of data thereof make that the use of this display device is more flexible.
In the present embodiment, control module 1 also respectively be used for carrying out the USB interface 6 that data exchange and the storer that is used for store local data is connected with outside; Said storer is a SD card 7.In the present embodiment; Above-mentioned USB interface 6 be used for external unit to the copy of local data, function such as write, these functions are also carried out data interaction through control module 1 and are realized between local data and external unit after the user imports respective input signals certainly; And SD card 7 is generally used for storing some and need be stored in files such as local data, video, also is after the user is by the input media input signal, and by control module 1 operation, this operation comprises and accessing and demonstration, data output to external unit or the like.
Generally; Above-mentioned display device through internal processor (control module 1) and multiple interfaces (specifically as stated) thereof with user command (with soft/hard manual; Promptly touch/true keyboard form input) be divided into 2 types; The one, operation display is fully by self operating part, as playing content on the SD card, do that through USB copy/deletion etc. is operated etc.; The 2nd, control each functional module and partly instruct; Relate to function to each functional module; Comprise: after dependent instruction obtains user instruction through soft/hard manual; To instruct to send corresponding functional modules to through UART or SPI, functional module is exported to practice condition or result operation display with the audio/video form and on TFT LCD, is shown the immediate interactive that reaches operation and show when carrying out these instructions; One or more band CAN EBI of functional module; Can obtain CAN bus data on the automobile through it; Functional module also can send to control module 1 through UART or SPI communication port with control module 1 with the CAN data; And can be presented on the TFT LCD with the picture and text form, make things convenient for the user to understand the vehicle condition data in time, intuitively; Also can send CAN and instruct some function of reverse Control of Automobile through control module 1; Except that above-mentioned CAN data, control module 1 is the multiple alert data that obtains of the remote alarm interface that carries of acceptable function module and be presented at them on the TFT LCD also; On the CAN interface addressed on functional module, the CAN interface also can directly be connected on the control module 1 in some practical applications; Simultaneously, can not have the CAN interface in some applications, for example automobile itself does not just have under the situation of CAN bus yet.
In the present embodiment, also relate to a kind of method that on above-mentioned vehicle condition data presentation device, realizes display items display control, its flow process is as shown in Figure 2, comprises the steps:
Step S21 obtains input signal; And judge the display items display of its representative: in this step, the control module of vehicle condition data presentation device is obtained the signal of user's input by input media, and these signals have keyboard, touch-screen or telepilot and import through the remote control receiver module; Certainly; In a time, an input can only be arranged, these input signals all are to have passed through encoded signals for the ease of transmission, and control module receives after these input signals; At first, obtain the content of this input signal with its decoding; The desired display items display of content or the function of then, in the table of setting in advance, searching this signal; These display items display in the table or function are all display items display or the functions that control module can be carried out, and it possibly need the local data of operation different functional or control module to realize.In this step, in above-mentioned table, find pairing display items display of the input signal that receives or function exactly.What deserves to be mentioned is, in this step, if do not find corresponding display items display, then possibly be signal error, and in the present embodiment, the way of taking is to withdraw from and report an error, and simultaneously, abandons the above-mentioned input signal that receives.
Step S22 searches said display items display corresponding functional module and operation; Output order arrives the above-mentioned functions module: in this step; Owing in above-mentioned steps, found the corresponding corresponding display items display of input signal, in this step, found the functional module of carrying out needed data of this display items display and operation place.The corresponding relation of above-mentioned display items display and functional module is to be provided with in advance and to store equally, is that the mode of taking to table look-up obtains too.In certain embodiments, also can be after the said equipment powers on, be reported to above-mentioned control module and form form by each functional module.These forms can be one, also can be a plurality of.In this step; Operation is meant that functional module obtains the action that the data of requirement need be made; The input signal content output order that this action is received by the control module foundation; And being transferred to functional module through the UART or the spi bus of linkage function module and control module, functional module receives this instruction back and carries out corresponding action, and then the data that obtain requiring.The instruction that relates to of control module here obtains to table look-up equally and obtains.
The said functional module of step S23 is carried out corresponding operating; And will obtain data transmission and arrive said control module: in this step, functional module receives the instruction that above-mentioned control module sends, and according to instruction manipulation; Obtain the data of requirement, and data transmission is returned control module.In the present embodiment, above-mentioned data consist essentially of two kinds, a kind of be functional module by the data that obtain on the CAN bus, these data are transferred to control module through UART or spi bus above-mentioned, that connect this functional module and control module; And audio, video data during another kind of data after these data are decoded through an audio/video decoder that is connected between above-mentioned functions module and the control module, is transferred to the audio-video interface of control module.What deserves to be mentioned is that the audio-video interface of control module has only one, the audio-video signal of a plurality of functional modules or data all are input to control module through this interface, only in different time.
The said control module of step S24 is exported above-mentioned data to display screen; Make its demonstration: in this step; Control module receives the data that functional module or local storage transmit; This data transmission is arrived display screen, and on display screen, show these data, accomplish the display items display of the input request signal that receives.If control device does not receive new input signal, this display items display can show on above-mentioned display screen always that certainly, its data presented is the data of current this project of time to time change.When the user has new display requirement and pass through the input media input, repeat above-mentioned steps S21-S24.
Wherein,, can not on a display interface, show simultaneously because display items display is more, so, in the present embodiment, possibly have a plurality of display interfaces in the said apparatus; For example, a display interface possibly be traditional automobile instrument data presentation, comprises rotating speed, speed, oil mass, water temperature; And another display interface possibly be the state of various warning devices, for example, and result of tire pressure monitoring or the like.If current demonstration is traditional automobile instrument data, and the user hopes to check the tire pressure monitoring result, in this display device, just needs the switching displayed interface.For this reason, comprise a plurality of steps among the above-mentioned steps S21 again, as shown in Figure 3, specifically comprise:
Step S31 receiving inputted signal: in this step, input media is imported the user to such an extent that signal is transferred to control module, and control module receives these input signals;
Step S32 decodes to above-mentioned input signal: control module is decoded to the input signal that receives, and obtains the content of input signal;
Step S33 obtains the represented display items display of decoded input signal: control module finds the pairing display items display of this input signal that receives; Above-mentioned steps S31-S33 all has narration in the above, so simply describe;
Is the said display items display of step S34 place display interface identical with current display interface? As identical, execution in step S36; Otherwise, execution in step S35.In this step, judge the display interface that will show exactly whether with current identical, in this way,, wait for that directly the data that require return and can show then without the switching displayed interface; Otherwise, need the switching displayed interface, and the data that wait requires are returned;
Step S35 switching displayed interface: in this step, control module switching displayed interface; In the present embodiment, display interface can comprise a plurality of, but each display interface is provided with a unique numbering, judges display interface is exactly whether the numbering of display interface of the display interface that more showing and requirement is identical; Access and be presented on the display screen and the switching displayed interface also is as requested the numbering display interface that it is corresponding.
The said control module of step S36 is exported above-mentioned data to display screen, makes its demonstration: in this step, the data of control module output display interface make it show this display interface to display screen.When the functional module return data in this display device, these data can directly show.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. vehicle condition data presentation device; Comprise the display screen that is used for the display automobile status data; It is characterized in that; Comprise that also being connected, driving said display screen with said display screen shows its control unit for data that obtains, said control module is connected with a plurality of automobile function modules respectively, obtains the data of its output and transmits the instruction that said control module sends and arrive said each functional module; Said control module also be used for input signal and make said control module send different instructions to connect to the input media of said functional module.
2. vehicle condition data presentation device according to claim 1 is characterized in that, said control module is connected through identical or different UART or spi bus respectively with said a plurality of automobile function modules; Said automobile function module comprises media player, drive recorder, GPRS communication apparatus or the GPS navigation equipment that is arranged on the automobile.
3. vehicle condition data presentation device according to claim 2 is characterized in that, at least one is provided with the CAN transceiver that is connected with said automobile CAN-bus in said media player, drive recorder, GPRS communication apparatus or the GPS navigation equipment.
4. vehicle condition data presentation device according to claim 3 is characterized in that, said automobile function module also be provided be installed in automobile on warning device warning IO port that be connected, that be used to obtain said warning device output alarm signal; The data transmission that said warning IO port is obtained shows to said control module and on said display screen.
5. vehicle condition data presentation device according to claim 4 is characterized in that, said automobile function module comprise be connected with said automobile CAN-bus and obtain its transmitting data, as the CAN transceiver of a node on the CAN bus.
6. vehicle condition data presentation device according to claim 5 is characterized in that, said control module also respectively be used for carrying out the USB interface that data exchange and the storer that is used for store local data is connected with outside; Said storer is the SD card.
7. vehicle condition data presentation device according to claim 6; It is characterized in that said input media is included on the said display screen with touch manner and realizes the software dish of input, the keyboard that is connected with said control module or arrive the telepilot of said control module with infrared or wireless mode input signal.
8. on the vehicle condition data presentation device, realize the method that display items display is controlled for one kind; It is characterized in that said vehicle condition data presentation device comprises control module, the display screen that is connected with said control module, the input media and at least one functional module that is connected with said control module that are connected with said control module; Said method comprises the steps:
A) said control module is obtained input signal, and judges the display items display of said input signal representative;
B) search said display items display corresponding functional module and operation thereof, corresponding functional module is arrived in the corresponding instruction of output;
C) said functional module is operated, and obtains data and is transferred to said control module;
D) said control module is exported said data to said display screen, switches said display items display or shows said data at the assigned address of said display screen.
9. the method that on the vehicle condition data presentation device, realizes display items display control according to claim 8; It is characterized in that said input signal is through realizing the software dish of input, the keyboard that is connected with said control module or be input to said control module with infrared or wireless mode input signal to the telepilot of said control module with touch manner on said display screen.
10. the method that on the vehicle condition data presentation device, realizes display items display control according to claim 9; It is characterized in that said functional module comprises with said automobile CAN-bus and being connected, as a node of said CAN bus and obtain the CAN transceiver of the data of transmitting on the CAN bus.
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| CN201110441698.7A CN102522059B (en) | 2011-12-26 | 2011-12-26 | Vehicle condition data presentation device and realize display items display control method |
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| CN201110441698.7A CN102522059B (en) | 2011-12-26 | 2011-12-26 | Vehicle condition data presentation device and realize display items display control method |
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Cited By (1)
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