CN201923045U - Automobile head-up display device based on CAN (controller area network) transmission - Google Patents
Automobile head-up display device based on CAN (controller area network) transmission Download PDFInfo
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- CN201923045U CN201923045U CN2010206230697U CN201020623069U CN201923045U CN 201923045 U CN201923045 U CN 201923045U CN 2010206230697 U CN2010206230697 U CN 2010206230697U CN 201020623069 U CN201020623069 U CN 201020623069U CN 201923045 U CN201923045 U CN 201923045U
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Abstract
The utility model provides an automobile head-up display device based on CAN (controller area network) transmission, which comprises a sensor, an automobile instrument control module, a GPS (global positioning system) communication module and a display device. A signal processing circuit and a display signal control module are integrated in the automobile instrument control module, the sensor is connected with an input end of the signal processing circuit, an output end of the signal processing circuit is connected with an output end of the display signal control module, the GPS communication module is connected with the automobile instrument control module through an automobile CAN bus, and the display signal control module is connected with the display device through the automobile CAN bus. The automobile head-up display device solves the problems that display information of the automobile head-up display is little and additional automobile monitoring structures are needed, and has the advantages that operating status information of an automobile is displayed in turn, information amount is large, transmission speed is fast, equipment and original configuration of the automobile are fitted for use, and space and cost are saved.
Description
Technical field
The utility model relates to information display device in a kind of running car, especially relates to the device that in a kind of running car the current running state of automobile is presented at shield glass by the CAN bus transfer.
Background technology
Along with the raising of people's level of consumption, automotive use is very universal.This also causes the vehicle of travels down to increase severely the road conditions complexity.In driving, navigating mate should be taken the road conditions of moment ten thousand changes into account and constantly pay close attention to the vehicle condition information that various instrument show in the car again, and the person for driving a car is very arduous.Navigating mate is often bowed and is checked that instrument also is unfavorable for safe driving.Chinese patent notification number CN201169195Y, date of declaration on December 24th, 2008, name is called the utility model patent of " the vehicle HUD with vehicle tire pressure supervisory system ", discloses a kind of vehicle HUD, and it comprises at least: a control unit; One tire monitoring means is used to receive and handle the detection signal that at least four sensing valves are transmitted, and the sensing valve is installed on the vehicle tyre respectively; And one the new line display unit be electrically connected with control unit; Above the Windshield that the new line display unit is incident upon vehicle with the tire pressure and the temperature data of each tire in the tire monitoring means.This HUD just shows the tire pressure and the temperature of motor tire, and other running information can not show that navigating mate also needs to bow to watch the instruments.The tire pressure monitoring unit, the signal transmission needs separately additional system, complex structure.
Summary of the invention
Show that in order to have solved the automobile HUD information is few, need to increase the problem of the additional monitoring of structures of automobile, the utility model provides a kind of automobile head-up display device based on the CAN transmission, reaches the purpose that apparatus structure is simple, information transfer fast, demonstration contains much information.
The technical solution of the utility model is: a kind of automobile head-up display device based on the CAN transmission, comprise sensor, the auto meter control module, the GPS communication module, read out instrument, the auto meter control module is integrated with signal processing circuit and shows signal control module, sensor is connected with the input end of signal processing circuit, the mouth of signal processing circuit is connected with the input end of shows signal control module, the GPS communication module is connected with the auto meter control module by automobile CAN-bus, and the shows signal control module is connected with read out instrument by automobile CAN-bus.The sensor acquisition that the automotive operation real-time parameter is provided with by automobile, sensor acquisition to signal be transferred to the signal processing circuit that is integrated in the auto meter control module, signal processing circuit is transferred to the shows signal control module that is integrated in the auto meter control module after these information processings are become data message.The GPS communication module sends GPS locating information broadcast type on automobile CAN-bus as a node on the automobile CAN-bus.The auto meter control module receives the information that the GPS communication module sends by the automobile CAN-bus broadcast type as a node on the CAN bus.The shows signal control module is handled the signal that receives, and converts these digital signals to figure signal.The shows signal control module is exported to read out instrument with the figure signal ordering back that converts to by automobile CAN-bus according to pre-determined setting (showing that as information sequencing, information show time length etc.) regulation.Signal processing circuit and shows signal control module are integrated in the auto meter control module, and automobile operating state parameter acquisition, processing and transmission all utilize the original equipment of automobile to share, and be simple in structure, save cost.By automobile CAN-bus transmission information, speed is fast, and the information transmitted amount is big.
As preferably, the auto meter control module model that is integrated with signal processing circuit and shows signal control module is MC9S12XHZ512.The MC9S12XHZ512 chip is specifically designed to automobile multifunctional control, and powerful, signal processing circuit and shows signal control module do not need to increase in addition components and parts, saves originally low.
As preferably, read out instrument comprises projector and Projection Display film, and projector is arranged at the gauge panel top, and the Projection Display film is arranged in the shield glass interlayer.Projector adopts the TFT mode of delivery, can take turns demonstration information at same position.Because the TFT projection is less demanding to brightness, therefore reflectance coating is attached in the glass sandwich, employing light transmittance reflectance coating preferably can reach distinct image.
Compared with prior art, the utility model beneficial effect is: take turns the display automobile running state information at the shield glass same position, demonstration contains much information, and the transmission information rate is fast, the original configuration of acquisition of signal, transmission and treatment facility and automobile is share, and saves the space-saving cost.
Description of drawings
Accompanying drawing 1 is a block scheme of the present utility model;
Accompanying drawing 2 is the utility model auto meter control module chip configuration sketch;
Accompanying drawing 3 is the utility model control flow chart.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, 2, a kind of automobile head-up display device based on the CAN transmission, sensor 1 comprises: car speed sensor, lighting switch signal circuit, tire pressure tire temperature sensor, Reverse Sensor, engine temperature sensing unit.The sensor of gathering the speed of a motor vehicle is arranged on the output shaft of automobile gearbox; The circuit of gathering car light opening and closing signal is arranged on the lighting switch circuit; Gather tire pressure tire temperature emission sensor and be arranged on the valve of vehicle tyre, receptor is arranged in the automobile instrument panel; The Reverse Sensor projector is arranged on automobile rear bumper, and receptor is arranged in the automobile instrument panel; The sensor of gathering engine coolant temperature is arranged on the Coolant gallery of automotive engine.
Auto meter control module 2 is integrated with signal processing circuit 21 and shows signal control module 22, and the model of auto meter control module 2 is MC9S12XHZ512.The PV2 mouth of MC9S12XHZ512 connects car speed sensor, the PV4 mouth connects car light signal circuit, the signal receiver of PU0 mouth connection tire pressure tire temperature sensor, PU7 mouth connection Reverse Sensor signal receiver, PU3 mouth connection engine temperature sensing unit.The RXCAN0/TXCAN0 mouth of MC9S12XHZ512 connects automobile CAN-bus.The mouth of GPS communication module 3 is connected with automobile CAN-bus.
Read out instrument 4 comprises projector 41 and Projection Display film 42.The input end of projector 41 is connected with the RXCAN0/TXCAN0 mouth of MC9S12XHZ512 by automobile CAN-bus.Projector 41 is arranged on the automobile instrument panel top near the front windshield place.Projector 41 is a TFT Display projector machine.In the shield glass interlayer, be embedded with Projection Display film 42.Projection Display film 42 is transparent reflective membrane.Projection Display film 42 is arranged on and leaves gauge panel 0.4m and leave 0.45m position, operator's compartment side Windshield limit.
As shown in Figure 3, automobile powers on, and behind the data initialization, sensor 1 is gathered the parameter of the speed of a motor vehicle, light, tire pressure, tire temperature, engine temperature and reversing situation (when reversing is arranged).
The Reverse Sensor that the tire pressure tire temperature signal that the wigwag that the vehicle speed signal that sensor 1 collects is impulse singla, collect is the switching value signal, collect is analog signal, collect transmit for digital signal, the engine coolant temperature signal that collects be the resistance signal.
The signal that sensor 1 is gathered is transferred to signal processing circuit 21, and signal processing circuit 21 is given shows signal control module 22 with digital information transmission after with these signal conditioning.GPS communication module 5 is transferred to shows signal control module 22 with the GPS locating information.
Shows signal control module 22 is set:
1, the speed of a motor vehicle, light situation, tire pressure and tire temperature, the every interval of engine temperature informational needs show for 2 seconds by turns.
2, reverse radar system information and GPS positioning system information need full screen display.When automobile enters the reversing state, head-up display device enters reversing mode, read-out full screen display car rear portion condition of road surface image.Finish until reversing, head-up display device withdraws from reversing mode.When opening the GPS position fixing system, head-up display device full screen display garage route line image.
3, in automobile is advanced, when car speed set to surpass was set speed limit or automotive engine temperature and surpassed design temperature, head-up display device interrupts all and shows, only shows the speed of a motor vehicle or the engine temperature that surpasses restriction, and was normal until returning to.
Shows signal control module 22 converts these vehicle condition parameter informations to figure signal by integrated processing and exports to projector 41.Projector 41 to Projection Display film 42, shows frame with image mapped.
Claims (3)
1. automobile head-up display device based on CAN transmission, comprise sensor (1), auto meter control module (2), GPS communication module (3), read out instrument (4), it is characterized in that, described auto meter control module (2) is integrated with signal processing circuit (21) and shows signal control module (22), described sensor (1) is connected with the input end of described signal processing circuit (21), the mouth of described signal processing circuit (21) is connected with the input end of described shows signal control module (22), described GPS communication module (3) is connected with described auto meter control module (2) by automobile CAN-bus, and described shows signal control module (22) is connected with described read out instrument (4) by automobile CAN-bus.
2. the automobile head-up display device based on the CAN transmission according to claim 1, it is characterized in that: described auto meter control module (2) model that is integrated with signal processing circuit (21) and shows signal control module (22) is MC9S12XHZ512.
3. the automobile head-up display device based on the CAN transmission according to claim 1, it is characterized in that: described read out instrument (4) comprises projector (41) and Projection Display film (42), described projector (41) is arranged at the gauge panel top, and described Projection Display film (42) is arranged in the shield glass interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206230697U CN201923045U (en) | 2010-11-25 | 2010-11-25 | Automobile head-up display device based on CAN (controller area network) transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206230697U CN201923045U (en) | 2010-11-25 | 2010-11-25 | Automobile head-up display device based on CAN (controller area network) transmission |
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| CN201923045U true CN201923045U (en) | 2011-08-10 |
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| CN2010206230697U Expired - Fee Related CN201923045U (en) | 2010-11-25 | 2010-11-25 | Automobile head-up display device based on CAN (controller area network) transmission |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745152A (en) * | 2012-06-21 | 2012-10-24 | 广东好帮手电子科技股份有限公司 | Projector used for information display and display method thereof |
| CN103204105A (en) * | 2013-03-23 | 2013-07-17 | 苏州佳世达光电有限公司 | Head-up display device and method for displaying images on same |
| CN103402066A (en) * | 2013-07-19 | 2013-11-20 | 浙江吉利汽车研究院有限公司 | Head rising display system for vehicle |
| CN103661137A (en) * | 2013-12-18 | 2014-03-26 | 中山新驱动电子科技有限公司 | Vehicle-mounted head-up display |
| CN104989540A (en) * | 2015-07-23 | 2015-10-21 | 中国重汽集团济南动力有限公司 | Vehicle speed limiting control device and control method thereof |
| CN107045740A (en) * | 2017-03-07 | 2017-08-15 | 吉利汽车研究院（宁波）有限公司 | A kind of car running computer shows system and method |
| CN107933442A (en) * | 2017-11-24 | 2018-04-20 | 广东菲柯特电子科技有限公司 | 3D projection imaging tire pressure monitor |
-
2010
- 2010-11-25 CN CN2010206230697U patent/CN201923045U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745152A (en) * | 2012-06-21 | 2012-10-24 | 广东好帮手电子科技股份有限公司 | Projector used for information display and display method thereof |
| CN102745152B (en) * | 2012-06-21 | 2015-04-22 | 广东好帮手电子科技股份有限公司 | Projector used for information display and display method thereof |
| CN103204105A (en) * | 2013-03-23 | 2013-07-17 | 苏州佳世达光电有限公司 | Head-up display device and method for displaying images on same |
| CN103204105B (en) * | 2013-03-23 | 2015-10-21 | 苏州佳世达光电有限公司 | Head-up display device and image display method thereof |
| CN103402066A (en) * | 2013-07-19 | 2013-11-20 | 浙江吉利汽车研究院有限公司 | Head rising display system for vehicle |
| CN103661137A (en) * | 2013-12-18 | 2014-03-26 | 中山新驱动电子科技有限公司 | Vehicle-mounted head-up display |
| CN104989540A (en) * | 2015-07-23 | 2015-10-21 | 中国重汽集团济南动力有限公司 | Vehicle speed limiting control device and control method thereof |
| CN107045740A (en) * | 2017-03-07 | 2017-08-15 | 吉利汽车研究院（宁波）有限公司 | A kind of car running computer shows system and method |
| CN107933442A (en) * | 2017-11-24 | 2018-04-20 | 广东菲柯特电子科技有限公司 | 3D projection imaging tire pressure monitor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Taizhou City, Zhejiang Province, 317000 coastal city east gate head Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 317000, No. 188, Century Avenue, Linjiang Industrial Park, Xiaoshan District, Zhejiang, Hangzhou Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. Patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131125 |