CN105974585B - Vehicle-mounted head-up-display system based on smart mobile phone - Google Patents
Vehicle-mounted head-up-display system based on smart mobile phone Download PDFInfo
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- CN105974585B CN105974585B CN201610307649.7A CN201610307649A CN105974585B CN 105974585 B CN105974585 B CN 105974585B CN 201610307649 A CN201610307649 A CN 201610307649A CN 105974585 B CN105974585 B CN 105974585B
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- 238000004891 communication Methods 0.000 claims abstract description 45
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 238000013507 mapping Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000015654 memory Effects 0.000 claims description 17
- 238000003745 diagnosis Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 210000003128 head Anatomy 0.000 description 5
- 230000010365 information processing Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Arrangement of adaptations of instruments
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- B60K35/22—
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- B60K35/80—
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- B60K35/81—
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- B60K35/85—
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- B60K2360/55—
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- B60K2360/589—
Abstract
The present invention relates to vehicle instrument or the arrangements or field of configuration of instrument board, are specially a kind of vehicle-mounted head-up-display system based on smart mobile phone.A kind of vehicle-mounted head-up-display system based on smart mobile phone, including vehicle information collecting device (1), it is characterized in that：Head-up display (2) and intelligent mobile terminal (3) are further included, head-up display (2) includes LCD panel (21), backlight (22), liquid crystal driver (23), the second wireless communication module (24) and LCD Controlling unit (25)；Intelligent mobile terminal (3) includes Geographic mapping module (31), data transmission module (32), the 3rd wireless communication module (33) and mobile control unit (34).The present invention is applied widely, and user can independently set display content, improves traffic safety.
Description
Technical field
It is specially a kind of based on smart mobile phone the present invention relates to vehicle instrument or the arrangement or field of configuration of instrument board
Vehicle-mounted head-up-display system.
Background technology
Vehicle-mounted head-up-display system, abbreviation HUD, also referred to as head-up display system, it can map important information
On reflecting plate before windscreen, make driver that need not bow, with regard to important information can be seen clearly.This display system, original are
Display system in military fighter aircraft, pilot need not bow, and required important information can be just seen on air regulator.
Using mobile phone or other in-vehicle devices in startup procedure, serious influence is caused on driving safety.Vehicle is at a high speed
When driving, especially under conditions of visibility is not high, driver may bow watch the instruments disk, using Mobile Telephone Gps or operation
Button etc. completes a series of driving behaviors.If there is crash time in road ahead, driver can not can in time make
It reacts and traffic accident may be caused.
In recent years, intelligent transportation system continuous development, traffic safety technology and automotive safety technical aspect are ground
Study carefully and have become hot spot, the research of the particularly auxiliary driving safety technology therein based on automobile is even more to cause the pass of people
Note.Head-up-display system will be with the relevant information Projection Display of driving safety on driver usually scope, display brightness and water
Prosposition is put adjustable with upright position, and driver, which need not often bow, to see the mobile phone or instrument board, is without the focus for changing eyes
Related driving information can be obtained, as shown in Figure 1：Image source 101 reflexes to human eye 103 through reflective viewing screen 102 and is imaged, and makes human eye
103 experience image source 101 after shield glass 104 into the virtual image.
Existing HUD has two classes：Frontloader and afterloading unit.The former is that the HUD systems arranged in pairs or groups during automobile production tear parts open,
Expensive and specificity is strong, can not meet the needs of everyday driver；The latter is the versatility that third party manufacturer manufactures and designs
Equipment is mainly powered and is obtained vehicle profile using vehicle-mounted OBD interfaces and show, more suggested, secondary can not customize
Display content.There are mainly two types of afterloading units：One kind be directly by OBD interfaces by presentation of information on liquid crystal Folding-Screen, can show
The information such as speed, rotating speed, the oil consumption of vehicle.Second is mobile navigation, can show simple navigation information.Above-mentioned vehicle-mounted HUD
Function is single, can not realize more safe early warning prompt messages, simultaneously because HUD markets are also unformed at this stage, each technology
Standard disunity can not use whole vehicles, can not also be customized according to the demand of user.
The content of the invention
The defects of in order to overcome the prior art, the vehicle of display content can independently be set by providing a kind of applied widely, user
Instrument is carried, the invention discloses a kind of vehicle-mounted head-up-display systems based on smart mobile phone.
The present invention reaches goal of the invention by following technical solution：
A kind of vehicle-mounted head-up-display system based on smart mobile phone, including vehicle information collecting device, collecting vehicle information
On-board automatic diagnosis system built in device, the on-board automatic diagnosis system are equipped with the mounted automatic diagnosis connected by signal wire
Interface and the first wireless communication module, the on-board automatic diagnosis system are additionally provided with vehicle power supply,
It is characterized in that：Head-up display and intelligent mobile terminal are further included,
Head-up display includes LCD panel, backlight, liquid crystal driver, the second wireless communication module and LCD Controlling
Unit, LCD panel are covered on the light-emitting surface of backlight, and LCD Controlling unit connects liquid crystal display respectively by signal wire
Plate, liquid crystal driver and the second wireless communication module；
Intelligent mobile terminal includes Geographic mapping module, data transmission module, the 3rd wireless communication module and movement
Control unit, mobile control unit connect Geographic mapping module, data transmission module and the 3rd nothing by signal wire respectively
Line communication module；
Second wireless communication module distinguishes the first wireless communication module of wireless connection and the 3rd wireless communication module.
The vehicle-mounted head-up-display system based on smart mobile phone, it is characterized in that：Backlight selects highest luminous intensity
High brightness LED not less than 1500mcd；LCD Controlling unit include ARM controls chip, read-only memory and it is random in
It deposits, ARM control chips connect read-only memory and random memory respectively by signal wire；To ensure head-up display normal work,
Head-up display further includes fan, the blowing mouth face LCD panel and backlight of fan；
Geographic mapping module selects global positioning system (i.e. Global Positioning System, abbreviation GPS)
Module or Beidou satellite navigation (i.e. BeiDou Navigation Satellite System, abbreviation BDS) module；
First wireless communication module, the second wireless communication module and the 3rd wireless communication module all select wifi module and indigo plant
At least one of tooth module.
The present invention is in use, including information gathering, signal-data processing and Projection Display information this three parts.Present invention bag
Include point-needle type color liquid crystal, ultra-high brightness LED backlight, liquid crystal driver, master controller, WIFI wireless transport modules, HUD into
As screen.
The hardware structure design of the present invention is as described below：First wireless communication module connects the vehicle-mounted of vehicle by signal wire
Automatic diagnosis interface, obtains the real-time working condition information of vehicle operation in real time, and the first wireless communication module passes through wireless connection the 3rd
Wireless communication module with intelligent mobile terminal to connect, the real-time working condition Information Pull for the vehicle operation that intelligent mobile terminal obtains
Miracast agreements are wirelessly transmitted to the second wireless communication module through the 3rd wireless communication module, by the place of LCD Controlling unit
Reason is shown as picture on LCD panel.
The hardware circuit of the present invention mainly has automobile sensor signal acquisition circuit, microcontroller and its signal processing circuit,
Keyboard mutuality unit, projection arrangement unit, power supply unit；
SCM system is the core of signal processing and the core of the present invention；Power supply unit is by self-powered turn of automobile
The voltage that can work normally the present invention is changed to, power supply transfer process needs screened circuit that the interference shielding of automotive interior is fallen；
Only selection engine rotational speed signal is acquired the present invention, the signal condition collected into the identifiable square-wave pulse of microcontroller
Signal is then passed to microcontroller and carries out information processing, and the present invention needs to pass Hall using the prior art in this course
The signal of sensor output such as is obtained, is filtered at the processing, is then passed to counter, passing to microcontroller by counter carries out
Reason, obtained result are converted to the VGA signals of standard, this signal, which is passed to projection arrangement, carries out HUD projection signals.
ATC chips are a kind of low-power consumption, high performance position microcontroller, and Flash may be programmed erasing only in the piece with K bytes
Memory PEROM is read, using COMS techniques and the high-density nonvolatile memory NURAM technologies of atmel corp, pin and is referred to
Make system all compatible with MCS-.
ATC on-chip memories allow the editing procedure in system or are programmed with programming non-volatile memory device.Therefore
ATC is a kind of functional, flexibility and cost-effective microcontroller, is applied in various control fields.
After above-mentioned technical proposal, data processing and storage capacity that the present invention utilizes intelligent mobile terminal powerful,
Vehicle condition alarm projection prompting can not only be provided, and applicable vehicle can be selected by software and set the species of display information
Display mode.Applied widely, easy to use, user experience is good.By the bidirectional data transfers of cloud computing server, not only may be used
To obtain real-time road condition information in time, vehicle operation data can also be transferred to cloud computing server, be intelligent traffic administration system
It is convenient to provide.
The present invention is based on smart mobile phone vehicle-mounted head-up-display system by built-in bluetooth module or WIFI module with
Mobile phone is connected, and obtains the information such as mobile portable phone, short message and address list in real time.When phone or short message access, can pass through
Head up display is projected on display screen.When driver needs to call or send short message, come back by voice control aobvious
Show device, complete operation.
Vehicle-mounted head-up-display system the present invention is based on smart mobile phone utilizes geography by GPS positioning current vehicle location
Information system is navigated, while real-time navigation information is included on vehicle-mounted head-up display screen.
Vehicle-mounted head-up-display system the present invention is based on smart mobile phone is connected by built-in bluetooth equipment with on-vehicle Bluetooth
It connects, the real-time working condition information of vehicle is transferred in head up display by OBD interfaces, is finally shown in the form of image conversion
On HUD screens.
The present invention is based on the data combinations that the vehicle-mounted head-up-display system of smart mobile phone is obtained according to information acquisition subsystem
Traffic flow basic theories estimates current road network state, and generates road network state estimation result, and the information of acquisition mainly includes：Section
Essential information, vehicle traveling information, real-time road condition information, special temporal information.It can also be needed to customize display according to user simultaneously
Information.
The present invention is based on smart mobile phone vehicle-mounted head-up-display system by 3G module real-time reception vehicle location near
Traffic rule information, such as signal lamp state, speed limit situation, and pass through HUD screens and be shown to driver in time.
The present invention has display situation of remote, navigation information, incoming information, road safety information, traffic rule information etc.
Display function.The beneficial effects of the invention are as follows：Applied widely, user can independently set display content, improve Driver Vision
Scope eliminates eliminating driving blind area, shortens vision interference time, improves traffic safety.
Description of the drawings
Fig. 1 is the principle schematic of head-up-display system；
Fig. 2 is the flow diagram when present invention uses；
Fig. 3 is the main modular figure of the present invention；
Fig. 4 is the hardware structure design drawing of the present invention；
Fig. 5 is the site-plan of the present invention；
Fig. 6 is incoming information process chart when the present invention uses；
Fig. 7 is navigation information processing flow chart when the present invention uses；
Fig. 8 is vehicle working condition message processing flow figure when the present invention uses；
Fig. 9 and Figure 10 is to show message processing flow figure according to acquisition information customization when the present invention uses；
Figure 11 is traffic rule information process chart when the present invention uses.
Specific embodiment
The present embodiment is further illustrated below by way of specific embodiment.
Embodiment 1
A kind of vehicle-mounted head-up-display system based on smart mobile phone, including vehicle information collecting device 1, head-up display 2
With intelligent mobile terminal 3, as shown in figure 4, concrete structure is：
On-board automatic diagnosis system built in vehicle information collecting device 1 (is already belonging to the prior art) in automotive field, described
On-board automatic diagnosis system is equipped with 11 and first wireless communication module 12 of mounted automatic diagnosis interface connected by signal wire, institute
It states on-board automatic diagnosis system and is additionally provided with vehicle power supply 13；
On-board automatic diagnosis system, that is, On Board Diagnostics, abbreviation OBD.OBD is motor vehicle emission and driven nature
The diagnostic standardization of dependent failure；
Head-up display 2 includes LCD panel 21, backlight 22, liquid crystal driver 23, the second wireless communication module 24
With LCD Controlling unit 25, LCD panel 21 is covered on the light-emitting surface of backlight 22, and LCD Controlling unit 25 passes through signal
Line connects LCD panel 21,23 and second wireless communication module 24 of liquid crystal driver respectively；
Intelligent mobile terminal 3 includes Geographic mapping module 31, data transmission module 32, the 3rd wireless communication module 33
With mobile control unit 34, mobile control unit 34 connects Geographic mapping module 31, data transmission by signal wire respectively
32 and the 3rd wireless communication module 33 of module；
Second wireless communication module 24 distinguishes wireless connection the first wireless communication module 12 and the 3rd wireless communication module 33.
In the present embodiment：Backlight 22 selects the high brightness LED that highest luminous intensity is not less than 1500mcd；Liquid
Brilliant control unit 25 includes ARM controls chip 251, read-only memory 252 and random memory 253, and ARM control chips 251 pass through letter
Number line connects read-only memory 252 and random memory 253 respectively；To ensure that head-up display 2 works normally, head-up display 2 is also
Including fan 26, the blowing mouth face LCD panel 21 and backlight 22 of fan 26；
Geographic mapping module 31 selects global positioning system (i.e. Global Positioning System, abbreviation
GPS) module or Beidou satellite navigation (i.e. BeiDou Navigation Satellite System, abbreviation BDS) module；
First wireless communication module 12, the second wireless communication module 24 and the 3rd wireless communication module 33 all select wifi moulds
At least one of block and bluetooth module；
Intelligent mobile terminal 3 can select smart mobile phone or tablet computer.
The present embodiment is in use, including information gathering, signal-data processing and Projection Display information this three parts, at information
It is as shown in Figure 2 to manage flow.
The present embodiment includes point-needle type color liquid crystal, ultra-high brightness LED backlight, liquid crystal driver, master controller, WIFI
Wireless transport module, HUD imaging screens, main modular figure is as shown in figure 3, A is needs information to be shown in Fig. 3, such as " now away under
One crossing also has 300 meters " etc..
The hardware structure design of the present embodiment is as shown in Figure 4：First wireless communication module 12 connects vehicle by signal wire
Mounted automatic diagnosis interface 11, obtain the real-time working condition information of vehicle operation in real time, the first wireless communication module 12 passes through nothing
Line connects the 3rd wireless communication module 33 to be connected with intelligent mobile terminal 3, the reality for the vehicle operation that intelligent mobile terminal 3 obtains
When work information be wirelessly transmitted to the second wireless communication module 24 through the 3rd wireless communication module 33 using Miracast agreements, pass through
The processing for crossing LCD Controlling unit 25 is shown as picture on LCD panel 21.
The hardware circuit of the present embodiment mainly has automobile sensor signal acquisition circuit, microcontroller and its signal processing electricity
Road, keyboard mutuality unit, projection arrangement unit, power supply unit, overall design such as Fig. 5 show.
As shown in Figure 5：SCM system is the core of signal processing and the core of the present embodiment；Power supply unit is by vehicle
It carries power supply 13 and is converted to the voltage that can work normally the present embodiment, power supply transfer process needs screened circuit automotive interior
Interference shielding falls；The present embodiment only selects engine rotational speed signal to be acquired, can into microcontroller the signal condition collected
The square-wave pulse signal of identification is then passed to microcontroller and carries out information processing, needed in this course to Hall sensor
The signal of output such as is obtained, is filtered at the processing, is then passed to counter, and passing to microcontroller by counter is handled,
Obtained result is converted to the VGA signals of standard, this signal, which is passed to projection arrangement, carries out HUD projection signals.
AT89C51 chips are a kind of low-power consumption, high performance 8 microcontrollers, and Flash may be programmed in the piece with 4K bytes
Erasable read only memory PEROM using COMS techniques and the high-density nonvolatile memory NURAM technologies of atmel corp, draws
Foot and instruction system are all compatible with MCS-51.
AT89C51 on-chip memories allow the editing procedure in system or are programmed with programming non-volatile memory device.
Therefore AT89C51 is a kind of functional, flexibility and cost-effective microcontroller, is applied in various control fields.
After above-mentioned technical proposal, the present embodiment utilizes the powerful data processing of intelligent mobile terminal and storage energy
Power can not only provide vehicle condition alarm projection prompting, and can select applicable vehicle by software and set the kind of display information
The display mode of class.Applied widely, easy to use, user experience is good.By the bidirectional data transfers of cloud computing server, no
Real-time road condition information can be only obtained in time, vehicle operation data can also be transferred to cloud computing server, be intelligent transportation
Management provides convenient.
Vehicle-mounted head-up-display system of the present embodiment based on smart mobile phone passes through built-in bluetooth module or WIFI module
It is connected with mobile phone, obtains the information such as mobile portable phone, short message and address list in real time.When phone or short message access, Ke Yitong
Head up display is crossed to project on display screen.When driver needs to call or send short message, pass through gesture or voice control
Head up display processed completes operation.Incoming information process flow is as shown in Figure 6.
Vehicle-mounted head-up-display system of the present embodiment based on smart mobile phone utilizes ground by GPS positioning current vehicle location
Reason information system is navigated, while real-time navigation information is included on vehicle-mounted head-up display screen.Navigation information processing
Flow chart is as shown in Figure 7.
Vehicle-mounted head-up-display system of the present embodiment based on smart mobile phone passes through built-in bluetooth equipment and on-vehicle Bluetooth phase
The real-time working condition information of vehicle, is transferred in head up display by connection by OBD interfaces, is finally shown in the form of image conversion
On HUD screens.Vehicle working condition message processing flow is as shown in Figure 8.
The data knot that vehicle-mounted head-up-display system of the present embodiment based on smart mobile phone is obtained according to information acquisition subsystem
It closes traffic flow basic theories and estimates current road network state, and generate road network state estimation result, the information of acquisition mainly includes：Road
Section essential information, vehicle traveling information, real-time road condition information, special temporal information.It also can need to customize according to user simultaneously aobvious
Show information.Head up display process chart is as shown in Figure 9 and Figure 10.
Vehicle-mounted head-up-display system of the present embodiment based on smart mobile phone by 3G module real-time reception vehicle location near
Traffic rule information, such as signal lamp state, speed limit situation, and pass through HUD screens and be shown to driver in time.Traffic rules
Message processing flow is as shown in figure 11.
Claims (2)
1. a kind of vehicle-mounted head-up-display system based on smart mobile phone, including vehicle information collecting device (1), collecting vehicle information
On-board automatic diagnosis system built in device (1), the on-board automatic diagnosis system are equipped with through the vehicle-mounted automatic of signal wire connection
Diagnosis interface (11) and the first wireless communication module (12), the on-board automatic diagnosis system are additionally provided with vehicle power supply (13),
It is characterized in that：Head-up display (2) and intelligent mobile terminal (3) are further included,
Head-up display (2) includes LCD panel (21), backlight (22), liquid crystal driver (23), the second radio communication mold
Block (24) and LCD Controlling unit (25), LCD panel (21) are covered on the light-emitting surface of backlight (22), LCD Controlling list
First (25) connect LCD panel (21), liquid crystal driver (23) and the second wireless communication module (24) by signal wire respectively；
Intelligent mobile terminal (3) includes Geographic mapping module (31), data transmission module (32), the 3rd wireless communication module
(33) and mobile control unit (34), mobile control unit (34) connect Geographic mapping module by signal wire respectively
(31), data transmission module (32) and the 3rd wireless communication module (33)；
Second wireless communication module (24) difference the first wireless communication module of wireless connection (12) and the 3rd wireless communication module
(33)；
The data combination traffic flow basic theories obtained according to information acquisition subsystem estimates current road network state, and generates road network
State estimation result, the information of acquisition mainly include：Section essential information, vehicle traveling information, real-time road condition information, it is special when
Between information；It needs to customize according to user simultaneously and shows information.
2. the vehicle-mounted head-up-display system based on smart mobile phone as described in claim 1, it is characterized in that：Backlight (22) is selected
Highest luminous intensity is not less than the high brightness LED of 1500mcd；LCD Controlling unit (25) includes ARM and controls chip
(251), read-only memory (252) and random memory (253), ARM control chips (251) connect read-only memory respectively by signal wire
(252) and random memory (253)；
Geographic mapping module (31) selects GPS module or Beidou satellite navigation module；
First wireless communication module (12), the second wireless communication module (24) and the 3rd wireless communication module (33) all select wifi
At least one of module and bluetooth module.
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| CN201610307649.7A CN105974585B (en) | 2016-05-11 | 2016-05-11 | Vehicle-mounted head-up-display system based on smart mobile phone |
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| CN201610307649.7A CN105974585B (en) | 2016-05-11 | 2016-05-11 | Vehicle-mounted head-up-display system based on smart mobile phone |
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| CN105974585B true CN105974585B (en) | 2018-06-05 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109624856A (en) * | 2019-01-23 | 2019-04-16 | 中国联合网络通信集团有限公司 | A kind of method, the client of the display of vehicle new line |
| CN109795321A (en) * | 2019-03-19 | 2019-05-24 | 砚山永盛杰科技有限公司 | A kind of auto navigation HUD head-up-display system |
| MX2021011490A (en) * | 2019-03-27 | 2022-01-18 | Tvs Motor Co Ltd | Smart connect instrument cluster. |
| CN111572453A (en) * | 2020-06-16 | 2020-08-25 | 江南大学 | Vehicle-mounted head-up display |
| CN112959887A (en) * | 2021-02-07 | 2021-06-15 | 无锡行米科技有限公司 | Split type vehicle-mounted head-up display with GNSS and OBD-II |
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