CN202541328U - Multifunctional LCD (Liquid Crystal Display) automobile instrument based on CAN (Control Area Network) bus - Google Patents
Multifunctional LCD (Liquid Crystal Display) automobile instrument based on CAN (Control Area Network) bus Download PDFInfo
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- CN202541328U CN202541328U CN2011205313004U CN201120531300U CN202541328U CN 202541328 U CN202541328 U CN 202541328U CN 2011205313004 U CN2011205313004 U CN 2011205313004U CN 201120531300 U CN201120531300 U CN 201120531300U CN 202541328 U CN202541328 U CN 202541328U
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Abstract
The utility model discloses a multifunctional LCD (Liquid Crystal Display) automobile instrument based on a CAN (Control Area Network) bus. The multifunctional LCD automobile instrument comprises a main control system and an instrument information display device, wherein the main control system comprises a microprocessor; the microprocessor is respectively connected with a CAN bus interface I, a CAN bus interface II, an LCD interface, an LED interface, an RS232/485 communication interface and a keyboard interface/LIN bus interface; the CAN bus interface I is connected with an automobile body system by the CAN bus I; and the CAN bus interface II is connected with an automobile power system by a CAN bus II; the instrument information display device comprises an LCD display screen and an LED display unit; the LCD display screen is in signal connection with the LCD interface; and the LED display unit is in signal connection with the LED interface.
Description
Technical field
The utility model relates to a kind of multi-functional LCD auto meter based on the CAN bus.
Background technology
Along with the continuous progress of automotive electronic technology and embedded computer technology, the electronic machine of automotive interior equipment is also more and more, and correspondingly driver's instrument desk information content that need show also constantly increases.If but still adopt traditional instrument mode, certainly will make that the cable that is connected to instrument desk is more and more, cause system cost to improve constantly, safeguard also all the more difficulty.Brought into use mechanics of communication to come to reduce effectively the quantity of conventional wire cable in the world, the auto meter of still present employing traditional approach is dominate still for this reason.
Summary of the invention
It is few that the technical matters that the utility model will solve provides a kind of number of conductors, the multi-functional LCD auto meter based on the CAN bus easy to maintenance.
In order to solve the problems of the technologies described above, the utility model provides a kind of multi-functional LCD auto meter based on the CAN bus, comprises master control system and meter information read out instrument; Described master control system comprises microprocessor, and microprocessor links to each other with CAN EBI I, CAN EBI II, LCD interface, LED interface, RS232/485 communication interface and keyboard interface/LIN EBI respectively; Said CAN EBI I links to each other with the auto body system through CAN bus I, and said CAN EBI II links to each other with automobile dynamic system through CAN bus II; Said meter information read out instrument comprises LCD display and led display unit; Said LCD display is connected with the LCD interface signal, and said led display unit is connected with the LED interface signal; Be connected with the automobile multifunctional button on said keyboard interface/LIN EBI; Said CAN bus I, auto body system, CAN bus II, automobile dynamic system, microprocessor, CAN EBI I, CAN EBI II, LCD interface, LED interface, RS232/485 communication interface and keyboard interface/LIN EBI all are electrically connected with vehicle power.
As to the improvement of the utility model based on the multi-functional LCD auto meter of CAN bus: microprocessor is connected with average speed indicator interface and speed gage interface; The average speed indicator interface all is connected with the analog meter group with the speed gage interface; Analog meter group, average speed indicator interface and speed gage interface all are electrically connected with vehicle power.
As to the further improvement of the utility model based on the multi-functional LCD auto meter of CAN bus: said analog meter group comprises pointer average speed indicator and pointer speed gage; Said pointer average speed indicator is connected with the average speed indicator interface, and said pointer speed gage is connected with the speed gage interface; Said pointer average speed indicator and pointer speed gage are electrically connected with vehicle power respectively.
As to the further improvement of the utility model based on the multi-functional LCD auto meter of CAN bus: described LCD display is provided with the on-board air conditioner panel.
The multi-functional LCD auto meter based on the CAN bus of the utility model adopts embedded computer technology and field bus communication technology, realizes controlling of all integrated functionalities by LCD display and multi-functional operation keyboard; On orthodox car instrument function basis, the integrated manipulation function of a/c system had been cancelled originally independently air-conditioning effector; Adopt the CAN bus communication technology, realize and vehicle-mounted each controller between information interaction, farthest reduced the usage quantity of lead; Configuration dual CAN bus interface, the realization while is connected with two CAN bus network, realizes gateway function; Integrated system is safeguarded and fault management capability, is brought very big facility to system maintenance work; Accomplish the operation of all integrated functionalities of instrument with multifunctional direction dish or the multifunction push key that is positioned at other position, improve the comfort level and the safety of driving.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done further explain.
Fig. 1 is the integral structure scheme drawing of the utility model based on the multi-functional LCD auto meter of CAN bus;
The scheme drawing of running condition when Fig. 2 is the external computer 400 of Fig. 1.
The specific embodiment
Embodiment 1, Fig. 1 have provided a kind of multi-functional LCD auto meter based on the CAN bus, comprise master control system 100, meter information read out instrument 200 and analog meter group 300.
Above-described microprocessor 1, CAN EBI I 11, CAN EBI II 12, LCD interface 15, LED interface 16, average speed indicator interface 14, speed gage interface 13, keyboard interface/LIN EBI 17, RS232/485 communication interface 28, CAN bus I 31, CAN bus II 32, LCD display 25, led display unit 26, automobile multifunctional button 27, pointer speed gage 23, pointer average speed indicator 24, auto body system 21 all are connected with vehicle power 500 with automobile dynamic system 22, by vehicle power power supply are provided.For keeping drawing clean and tidy, omit all electrical connections among Fig. 1.
Be integrated with each autobody control system such as a/c system in the auto body system 21.Integrated conditioning control unit (ECU) in the a/c system.Be integrated with car speed class control unit various speed control units such as (change speed gear box control unit or control unit of engine) in the automobile dynamic system 22.Above auto body system 21 and automobile dynamic system 22 are prior art.
During actual the use:
To open a/c system is example: the driver sends the instruction of opening air-conditioning through multifunction push key 27 to microprocessor 1; Microprocessor 1 receives the instruction of opening air-conditioning, and microprocessor 1 sends the instruction of start through CAN bus I 31 to being integrated in a/c system in the auto body system 21 through CAN EBI I11; The conditioning control unit of a/c system (ECU) is started shooting after receiving the instruction that microprocessor 1 sends; Information such as setting pattern, design temperature and setting air quantity when the conditioning control unit of a/c system (ECU) control a/c system was operated air-conditioning according to the driver last time are opened; The conditioning control unit (ECU) of a/c system passes through the information such as setting pattern, design temperature and setting air quantity of CAN EBI I11 when driver's air-conditioning last time of microprocessor 1 feedback is operated through CAN bus I 31 simultaneously; Microprocessor 1 receives feedack, through with LCD display 25 that LCD interface 15 is connected on the on-board air conditioner panel show; The information that the driver shows according to the on-board air conditioner panel on the LCD display 25 again; Button through multifunction push key 27 begins to send the instruction that pattern, temperature or air quantity etc. to air-conditioning adjust accordingly to microprocessor 1, and microprocessor 1 sends adjustment instruction through CAN bus I 31 to the a/c system that is integrated in the auto body system 21 through CAN EBI I11; The conditioning control unit of a/c system (ECU) receives the adjustment instruction that microprocessor 1 sends and begins to adjust pattern, temperature or the air quantity etc. of air-conditioning; Simultaneously; The conditioning control unit of a/c system (ECU) is through CAN bus I 31 information such as setting pattern, design temperature and setting air quantity when this is operated air-conditioning to driver of microprocessor 1 feedback through CAN EBI I11; Microprocessor 1 receives feedack, shows up-to-date information such as the pattern about air-conditioning, temperature or air quantity through the on-board air conditioner panel on the LCD display 25 that is connected with LCD interface 15.
In vehicle traveling process; Auto body system 21 et out of orders; Fault logging function through integrated in the auto body system 21 is noted fault, and the failure message of noting feeds back to microprocessor 1 through CAN EBI I11 through the CAN bus I 31 that links to each other with auto body system 21; Microprocessor 1 receives the feedback information of fault, and microprocessor 1 shows through the LCD display 25 that is connected with LCD interface 15; Vehicle failure according to LCD display 25 demonstrations; The driver can use multifunction push key 27 to carry out consulting, investigate and managing of fault; Multifunction push key 27 sends the consulting of fault, investigation or management information to microprocessor 1; Microprocessor 1 receives that multifunction push key 27 sends consults, after investigation or the management information, through CAN EBI I11 through CAN bus I 31 to be integrated in control unit in the auto body system 21 send accordingly consult, investigation or management information; If fault is resolved; Control unit in the auto body system 21 will feed back the information of a fault solution to microprocessor 1; Microprocessor 1 shows the information that fault solves again through the LCD display 25 that is connected with LCD interface 15; If fault fails to solve, then the control unit on the automobile dynamic system 21 just can be to the information of microprocessor 1 feedback fault solution, and LCD display 25 will show faulty condition always.
In vehicle traveling process; Automobile dynamic system 22 et out of orders; Fault logging function through integrated in the automobile dynamic system 22 is noted fault, and the failure message of noting feeds back to microprocessor 1 through CAN EBI II 12 through the CAN bus II32 that links to each other with automobile dynamic system 22; The feedback information that microprocessor 1 receives shows through the LCD display 25 that is connected with LCD interface 15; Vehicle failure according to LCD display 25 demonstrations; The driver can use multifunction push key 27 to carry out consulting, investigate and managing of fault; Multifunction push key 27 sends the consulting of fault, investigation or management information to microprocessor 1; Microprocessor 1 receives that multifunction push key 27 sends consults, after investigation or the management information, control unit on the automobile dynamic system 22 sends that corresponding fault is consulted to being integrated in, investigation or management information through CAN bus II 32 through CAN EBI II 12; If fault is resolved; Control unit on the automobile dynamic system 22 will feed back the information of a fault solution to microprocessor 1; Microprocessor 1 shows the information that fault solves again through the LCD display 25 that is connected with LCD interface 15; If fault fails to solve, then the control unit in person's auto body system 22 just can be to the information of microprocessor 1 feedback fault solution, and LCD display 25 will show faulty condition always.
In the process of running car; Car speed class control unit (change speed gear box control unit or control unit of engine) in the automobile dynamic system 22 detects the moving velocity of automobile; Car speed class detecting unit (change speed gear box control unit or control unit of engine) sends to detected data on the microprocessor 1 through CAN EBI II 12 through CAN bus II 32, microprocessor 1 with the data that receive through showing with average speed indicator interface 14 bonded assemblys pointer-type average speed indicator 24; Simultaneously; Microprocessor 1 sends to the data that receive in the led display unit through LED interface 16; By led display unit 26 show (led display unit 26 data presented are more directly perceived, and new hand's chaufeur checks that data are easier, but uncomfortable led display unit 26 data presented of seeing of some old chaufeur; So adopt two kinds of pointer average speed indicators 24 to show simultaneously, for new hand's chaufeur and old chaufeur are provided convenience) with led display unit 26.
Car speed class control unit (control unit of engine) in the automobile dynamic system 22 detects the rotating speed of the driving engine of automobile this moment; By car speed class control unit (control unit of engine) detected data are sent on the microprocessor 1 through CAN EBI II 12 through CAN bus II32; Microprocessor 1 with the data that receive through showing with speed gage interface 13 bonded assemblys pointer-type speed gage 23; Simultaneously; Microprocessor 1 sends to the data that receive in the led display unit through LED interface 16; By led display unit 26 show (led display unit 26 data presented are more directly perceived, and new hand's chaufeur checks that data are easier, but uncomfortable led display unit 26 data presented of seeing of some old chaufeur; So adopt two kinds of pointer average speed indicators 24 to show simultaneously, for new hand's chaufeur and old chaufeur are provided convenience) with led display unit 26.
An external computing machine 400 on the RS232/485 of automobile communication interface 28; Can receive all through external computing machine 400 and feed back to the information on the microprocessor 1, the various information that feed back on the microprocessor 1 carried out on-the-spot or long-range operations such as debugging, detection, data setting, data logging or data analysis by computing machine 400 (through connecting remote diagnosis module) based on GPRS/3G.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought the protection domain of the utility model.
Claims (4)
1. based on the multi-functional LCD auto meter of CAN bus, it is characterized in that: should comprise master control system (100) and meter information read out instrument (200) based on the multi-functional LCD auto meter of CAN bus;
Described master control system (100) comprises microprocessor (1), and microprocessor (1) links to each other with CAN EBI I (11), CAN EBI II (12), LCD interface (15), LED interface (16), RS232/485 communication interface (28) and keyboard interface/LIN EBI (17) respectively;
Said CAN EBI I (11) links to each other with auto body system (21) through CAN bus I (31), and said CAN EBI II (12) links to each other with automobile dynamic system (22) through CAN bus II (32);
Said meter information read out instrument (200) comprises LCD display (25) and led display unit (26); Said LCD display (25) is connected with LCD interface (15) signal, and said led display unit (26) is connected with LED interface (16) signal;
Be connected with automobile multifunctional button (27) on said keyboard interface/LIN EBI (17);
Said CAN bus I (31), auto body system (21), CAN bus II (32), automobile dynamic system (22), microprocessor (1), CAN EBI I (11), CAN EBI II (12), LCD interface (15), LED interface (16), RS232/485 communication interface (28) and keyboard interface/LIN EBI (17) all is electrically connected with vehicle power (500).
2. the multi-functional LCD auto meter based on the CAN bus according to claim 1 is characterized in that: microprocessor (1) is connected with average speed indicator interface (14) and speed gage interface (13); Average speed indicator interface (14) all is connected with analog meter group (300) with speed gage interface (13); Analog meter group (300), average speed indicator interface (14) and speed gage interface (13) all are electrically connected with vehicle power (500).
3. the multi-functional LCD auto meter based on the CAN bus according to claim 2; It is characterized in that: said analog meter group (300) comprises pointer average speed indicator (24) and pointer speed gage (23); Said pointer average speed indicator (24) is connected with average speed indicator interface (14), and said pointer speed gage (23) is connected with speed gage interface (13); Said pointer average speed indicator (24) and pointer speed gage (23) are electrically connected with vehicle power (500) respectively.
4. the multi-functional LCD auto meter based on the CAN bus according to claim 3, it is characterized in that: described LCD display (25) is provided with the on-board air conditioner panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205313004U CN202541328U (en) | 2011-12-16 | 2011-12-16 | Multifunctional LCD (Liquid Crystal Display) automobile instrument based on CAN (Control Area Network) bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205313004U CN202541328U (en) | 2011-12-16 | 2011-12-16 | Multifunctional LCD (Liquid Crystal Display) automobile instrument based on CAN (Control Area Network) bus |
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| Publication Number | Publication Date |
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| CN202541328U true CN202541328U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205313004U Expired - Fee Related CN202541328U (en) | 2011-12-16 | 2011-12-16 | Multifunctional LCD (Liquid Crystal Display) automobile instrument based on CAN (Control Area Network) bus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383300A (en) * | 2014-08-21 | 2016-03-09 | 大陆汽车系统公司 | Cluster-radio information interchange system for enhancing human-machine interface experience |
| CN106314153A (en) * | 2016-08-14 | 2017-01-11 | 蓝聪科技（上海）有限公司 | Virtual instrument system and virtual instrument display method |
| US10441951B2 (en) | 2013-03-14 | 2019-10-15 | Siemens Healthcare Diagnostics Inc. | Microfluidic chip with sealed on-board reagent |
| CN112566325A (en) * | 2020-12-25 | 2021-03-26 | 杭州辰汉智能科技有限公司 | Vehicle light regulation and control device and method |
-
2011
- 2011-12-16 CN CN2011205313004U patent/CN202541328U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10441951B2 (en) | 2013-03-14 | 2019-10-15 | Siemens Healthcare Diagnostics Inc. | Microfluidic chip with sealed on-board reagent |
| US11235321B2 (en) | 2013-03-14 | 2022-02-01 | Siemens Healthcare Diagnostics Inc. | Microfluidic chip with sealed on-board reagent |
| CN105383300A (en) * | 2014-08-21 | 2016-03-09 | 大陆汽车系统公司 | Cluster-radio information interchange system for enhancing human-machine interface experience |
| US10216468B2 (en) | 2014-08-21 | 2019-02-26 | Continental Automotive Systems, Inc. | Cluster-radio information interchange system for enhancing human-machine interface experience |
| CN105383300B (en) * | 2014-08-21 | 2019-04-02 | 大陆汽车系统公司 | For enhancing the trunked radio Information Exchange System of man-machine interface experience |
| CN106314153A (en) * | 2016-08-14 | 2017-01-11 | 蓝聪科技（上海）有限公司 | Virtual instrument system and virtual instrument display method |
| CN112566325A (en) * | 2020-12-25 | 2021-03-26 | 杭州辰汉智能科技有限公司 | Vehicle light regulation and control device and method |
| CN112566325B (en) * | 2020-12-25 | 2023-06-13 | 杭州辰汉智能科技有限公司 | Vehicle light regulation and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20151216 |
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| EXPY | Termination of patent right or utility model |