CN102410853A - Liquid crystal instrument for vehicle - Google Patents
Liquid crystal instrument for vehicle Download PDFInfo
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- CN102410853A CN102410853A CN2011103232191A CN201110323219A CN102410853A CN 102410853 A CN102410853 A CN 102410853A CN 2011103232191 A CN2011103232191 A CN 2011103232191A CN 201110323219 A CN201110323219 A CN 201110323219A CN 102410853 A CN102410853 A CN 102410853A
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- liquid crystal
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- msp430f149
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Abstract
The invention provides a liquid crystal instrument for a vehicle. The liquid crystal instrument comprises an MSP430F149 control chip, a Hall type wheel speed sensor, a real-time clock chip, a temperature sensor, an angle sensor, a liquid crystal display and a button unit, wherein the MSP430F149 control chip is used for receiving and treating electric signals acquired by the Hall type wheel speed sensor, the temperature sensor and the angle sensor and displaying digital signals which are acquired after treating the electric signals on the liquid crystal display. The liquid crystal instrument for the vehicle is capable of accurately displaying data. A liquid crystal display unit is convenient for drivers to know the state of the vehicle in real time and take corresponding measurement in time if an abnormal condition occurs, thereby achieving the purpose of safely and comfortably driving.
Description
Affiliated technical field
The present invention relates to vehicle electric field, a kind of automobile liquid crystal instrument is provided.
Background technology
In recent years, the Along with people's growth in the living standard, automobile is progressively towards ordinary populace.Automobile is more comfortable, be convenient to operation, and hommization has become people's demand more.And the automobile Displaying Meter is the window that driver and automobile carry out information interchange, is the chief component of automobile high-quality precision and sophisticated technology.Countries in the world are all in the exploitation of being devoted to the automobile multifunctional Displaying Meter, and constantly obtain new progress.Automobile multifunctional Displaying Meter industry is with abroad also there is a big difference at home at present, and low like the product technology level, function is dull, product quality reliability and poor durability, and product detects imperfection, and manufacturing process falls behind, and digitized degree is low etc.Popular automobile multifunctional display instrument all is that employing ARM serves as the system of control core for the embedded technology of control core or with the DSP digital processing unit at present; Also having is exactly to be the system of control core with the single-chip microcomputer, and the data volume that wherein monolithic processor controlled system requirements is handled and the complexity of system are all smaller relatively.
Summary of the invention
The object of the present invention is to provide a kind of demonstration accurate, observe automobile liquid crystal instrument more intuitively.
The present invention is for realizing that above-mentioned purpose adopts following technical scheme:
A kind of automobile liquid crystal instrument; It is characterized in that: comprise MSP430F149 control chip, Hall-type wheel speed sensors, real-time timepiece chip, temperature sensor, angular transducer, liquid crystal display apparatus and push-button unit; Said MSP430F149 control chip receives and handles the electric signal that is recorded by Hall-type wheel speed sensors, temperature sensor, angular transducer, and the digital signal that will draw after will handling is presented on the liquid crystal display apparatus.
Said Hall-type wheel speed sensors model is UGN3020, and its survey electric signal flow to the P2.0 of MSP430F149 control chip.
Said liquid crystal display apparatus model is LCD12864, and its D/I meets MSP430F149 control chip P3.0, R/W and meets P3.1, E and connect that P3.2, PSD meet P3.3, RET meets P3.4; D0 meets P4.0, D1 and meets P4.1, D2 and meet P4.2, D3 and meet P4.3, D4 and meet P4.5, D5 and connect that P4.5, D6 meet P4.6, D7 meets P4.7; P3.0-P3.4 is a control port, and P4.0-P4.7 is 8 for FPDP.
Real-time timepiece chip is DS1302, and its SCLK connects, and MSP430F149 control chip P2.5, I/O meet P2.6, RST meets P2.7.
The model of said temperature sensor is DS08B20, and its electric signal that records flows to MSP430F149 control chip P1.6.
The model of said angular transducer is SCA100T, and its SCK P5.4, MISO of connecing the MSP430F149 control chip connects, and P5.2, MOSI meet P5.1, CSB meets P5.0.
The P1.0-P1.3 of said push-button unit output termination MSP430F149 control chip.
Beneficial effect of the present invention:
Structure of the present invention adopts the pick-up unit and the electronic display unit of electronization to make video data more accurate; And liquid crystal display is convenient to the state of the own automobile of understanding that numerous drivers can be real-time; And can when abnormal conditions takes place, in time take appropriate measures, to reach the purpose of safety, comfortable driving.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention;
Fig. 2 is a MSP430F149 chip periphery circuit diagram of the present invention;
Fig. 3 is the peripheral circuit diagram of DS1302 of the present invention;
Fig. 4 is the peripheral circuit diagram of DS18B20 of the present invention;
Fig. 5 is the peripheral circuit diagram of SCA100T of the present invention;
Fig. 6 is the peripheral circuit diagram of UGN3020 of the present invention;
Fig. 7 is push-button unit circuit theory diagrams of the present invention;
Fig. 8 is a power supply circuit schematic diagram of the present invention.
Embodiment
A kind of automobile liquid crystal instrument based on the CAN bus; Comprise MSP430F149 control chip, Hall-type wheel speed sensors, real-time timepiece chip, temperature sensor, angular transducer, liquid crystal display apparatus; Push-button unit is characterized in that: said MSP430F149 control chip receives and handles the electric signal that is recorded by Hall-type wheel speed sensors, temperature sensor, angular transducer, and the digital signal that will draw after will handling is presented on the liquid crystal display apparatus.
Said Hall-type wheel speed sensors will survey electric signal flow to the P2.0 of MSP430F149 control chip.
The D/I of said liquid crystal display apparatus meets MSP430F149 control chip P3.0, R/W and meets P3.1, E and connect that P3.2, PSD meet P3.3, RET meets P3.4; D0 meets P4.0, D1 and meets P4.1, D2 and meet P4.2, D3 and meet P4.3, D4 and meet P4.5, D5 and connect that P4.5, D6 meet P4.6, D7 meets P4.7; P3.0-P3.4 is a control port, and P4.0-P4.7 is 8 for FPDP.
The SCLK of said real-time timepiece chip meets MSP430F149 control chip P2.5, I/O meets P2.6, and RST meets P2.7.
The model of said temperature sensor is DS08B20, and its electric signal that records flows to MSP430F149 control chip P1.6.
P5.4, the MISO that the SCK of said angular transducer connects the MSP430F149 control chip connects that P5.2, MOSI meet P5.1, CSB meets P5.0.
The P1.0-P1.3 of said push-button unit output termination MSP430F149 control chip.
Claims (6)
1. automobile liquid crystal instrument; It is characterized in that: comprise MSP430F149 control chip, Hall-type wheel speed sensors, real-time timepiece chip, temperature sensor, angular transducer, liquid crystal display apparatus and push-button unit; Said MSP430F149 control chip receives and handles the electric signal that is recorded by Hall-type wheel speed sensors, temperature sensor, angular transducer, and the digital signal that will draw after will handling is presented on the liquid crystal display apparatus.
2. automobile liquid crystal instrument according to claim 1 is characterized in that: said Hall-type wheel speed sensors model is UGN3020, and the electric signal of its survey flows to the P2.0 of MSP430F149 control chip.
3. automobile liquid crystal instrument according to claim 1 is characterized in that: said liquid crystal display apparatus model is LCD12864, and its D/I meets MSP430F149 control chip P3.0, R/W and meets P3.1, E and connect that P3.2, PSD meet P3.3, RET meets P3.4; D0 meets P4.0, D1 and meets P4.1, D2 and meet P4.2, D3 and meet P4.3, D4 and meet P4.5, D5 and connect that P4.5, D6 meet P4.6, D7 meets P4.7; P3.0-P3.4 is a control port, and P4.0-P4.7 is 8 for FPDP.
4. automobile liquid crystal instrument according to claim 1 is characterized in that: said real-time timepiece chip is DS1302, and its SCLK meets MSP430F149 control chip P2.5, I/O meets P2.6, and RST meets P2.7;
Automobile liquid crystal instrument according to claim 1 is characterized in that: the model of said temperature sensor is DS08B20, and its electric signal that records flows to MSP430F149 control chip P1.6.
5. automobile liquid crystal instrument according to claim 1 is characterized in that: the model of said angular transducer is SCA100T, and its SCK P5.4, MISO of connecing the MSP430F149 control chip connects, and P5.2, MOSI meet P5.1, CSB meets P5.0.
6. automobile liquid crystal instrument according to claim 1 is characterized in that: the P1.0-P1.3 of said push-button unit output termination MSP430F149 control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103232191A CN102410853A (en) | 2011-10-22 | 2011-10-22 | Liquid crystal instrument for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103232191A CN102410853A (en) | 2011-10-22 | 2011-10-22 | Liquid crystal instrument for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102410853A true CN102410853A (en) | 2012-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103232191A Pending CN102410853A (en) | 2011-10-22 | 2011-10-22 | Liquid crystal instrument for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102410853A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2800232Y (en) * | 2005-11-04 | 2006-07-26 | 吉林天工汽车仪表有限公司 | Bus type automobile instrument |
| CN201075011Y (en) * | 2007-08-18 | 2008-06-18 | 广西工学院 | Whole electric intelligent instrument system of vehicle |
| CN201257906Y (en) * | 2008-09-08 | 2009-06-17 | 彭希南 | Automobile universal digital instrument |
| CN202255428U (en) * | 2011-10-22 | 2012-05-30 | 成都市翻鑫家科技有限公司 | Liquid crystal instrument for automobile |
-
2011
- 2011-10-22 CN CN2011103232191A patent/CN102410853A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2800232Y (en) * | 2005-11-04 | 2006-07-26 | 吉林天工汽车仪表有限公司 | Bus type automobile instrument |
| CN201075011Y (en) * | 2007-08-18 | 2008-06-18 | 广西工学院 | Whole electric intelligent instrument system of vehicle |
| CN201257906Y (en) * | 2008-09-08 | 2009-06-17 | 彭希南 | Automobile universal digital instrument |
| CN202255428U (en) * | 2011-10-22 | 2012-05-30 | 成都市翻鑫家科技有限公司 | Liquid crystal instrument for automobile |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120411 |