CN201320967Y - Multifunctional integration information display combination instrument - Google Patents
Multifunctional integration information display combination instrument Download PDFInfo
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- CN201320967Y CN201320967Y CNU200820241179XU CN200820241179U CN201320967Y CN 201320967 Y CN201320967 Y CN 201320967Y CN U200820241179X U CNU200820241179X U CN U200820241179XU CN 200820241179 U CN200820241179 U CN 200820241179U CN 201320967 Y CN201320967 Y CN 201320967Y
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Abstract
The utility model relates to a multifunctional integration information display combination instrument, which pertains to technical field of vehicle instrument display device and mainly solves the problems of low signal processing speed and single display manner in prior art. The multifunctional integration information display combination instrument is mainly characterized in that the instrument comprises an instrument shell body, an instrument panel, a power supply processing and monitoring module, a data collecting module, an alarming signal collecting module, a master control module, a control circuit of an audio output module, a push-button arranged on the instrument panel, a TFT LCD, an alarming pattern and the like; a speed indicator, an engine tachometer and 2 brake pressure meters are respectively provided with miniature stepping motors used for driving indicators; TFT LCDs of various sizes are adopted; the control circuit also comprises a stepping motor driving module, a graphics and image data processing and liquid crystal control module, an ultrasonic distance measuring module, a video monitoring module and the like. The multifunctional integration information display combination instrument has the characteristics of large display information, fast graphics and image displaying and high system reliability, and is mainly applicable to vehicle instrument display devices.
Description
Technical field
The utility model belongs to auto meter display device technology field, is specifically related to a kind of multi-functional integrated information and shows combination instrument.
Background technology
Auto meter is used for measuring, showing the vehicle current working state, and chaufeur can be understood the various trip informations of vehicle by auto meter, and this safety to vehicle is exercised important effect.At present auto meter is divided into two kinds of mechanical type and electronic types usually.
The mechanical type instrument since defectives such as low precision, easy to wear, fault rate height on auto meter, be eliminated basically.Electronic instrument is divided into pointer-type and digital-code type instrument by the difference of its display mode.Analog meter can be divided into cross coil instrument and stepping motor instrument again by the difference of used movement, because the conformability of cross coil is poor, especially poor linearity, make the numerical value and the observed reading of its indication that bigger error be arranged, therefore, the mechanical type instrument of this cross coil will progressively be eliminated.Pointer-type stepping motor instrument has the pointing accuracy height, and intuitive display, eye-catching meets people's advantages such as visual custom, and therefore current auto meter all adopts pointer stepping motor instrument basically.Yet because modern automobile, especially Heavy Duty Commercial Car need the parameter of measurement and demonstration a lot, if these parameters all use analog meter to show, then instrument face plate need be done very greatly (in order to guarantee pointing accuracy, the length of pointer can not be done very for a short time), sometimes even can't realize.Therefore pointer stepping motor instrument be commonly used to indicate some to change very fast and with exercise the closely-related information of safety.Simultaneously, existing stepping motor-type instrument is because aspect technology limitation such as the hardware circuit that adopts, softwares, conversion speed is slower, and information processing capacity is less, seems unable to do what one wishes for the application that requires to contain much information, displaying contents is many, conversion speed is fast.Digital display type instrument have display precision height, speed of response fast, take advantages such as display area is little, range is big, but digitally show visual in imagely inadequately, reading needs the regular hour.When the vehicle high speed driving, chaufeur can only be observed instrument with the surplus light of eyes, and digital display instrument just more is difficult for reading, so the digital instrument that shows is generally used for indicating some not need the slow change information of often observing.
The Reverse Sensor of present most of vehicles, video monitoring, audio alert equipment all separate design, install with auto meter, and this gives and use, installs and brought inconvenience.
Because the information that modern Heavy Duty Commercial Car car need show is many, therefore exist instrument face plate big, observe defectives such as inconvenience.
Summary of the invention
The purpose of this utility model is exactly that a kind of advantage in conjunction with pointer-type and digital-code type instrument is provided at above-mentioned weak point, with step motor type pointer instrument indication and the information that safety traffic is closely related and data variation is fast, on TFT color LCD screen, show vehicle voltage, accumulative mileage, subtotal mileage, car outside the multi-functional integrated information demonstration combination instrument of the information such as bearing and distance of failure message, obstacle in temperature, vehicle interior temperature, date, time, change speed gear box gear, fuel oil consumption, tire pressure, the vehicle ' process in the mode of number or figure.
Technical solution of the present utility model is: a kind of multi-functional integrated information shows combination instrument, comprise meter housing, gauge panel and be loaded on average speed indicator in the meter housing, engine speed indicator, Low Air Pressure in Brake and comprise that power supply is handled and monitoring module, data acquisition module, the alerting signal acquisition module, contain microcontroller master control module, TFT liquid crystal display driver module, the control circuit of voice output module, be arranged on the button on the gauge panel, the TFT liquid crystal display, alarm pattern is characterized in that: described average speed indicator, engine speed indicator, 2 Low Air Pressure in Brake are equipped with the micro-step motor that drives pointer; The TFT LCDs that adopts, the TFT liquid crystal display is provided with Chinese or English name, light beam bar and the numeral of display machines oil pressure, coolant water temperature, oil mass, shows the numeral and the character of failure message in vehicle voltage, accumulative mileage, subtotal mileage, the outer temperature of car, vehicle interior temperature, date, time, change speed gear box gear, fuel oil consumption, tire pressure, the vehicle ' process etc.; Also comprise the step motor drive module in the control circuit, graphic image data is handled and liquid crystal control module, and parameter is provided with interface and monitoring module, ultrasonic distance measuring module and video monitoring module; Alerting signal is connected with the cooresponding indicator lamp of the alarm pattern on the gauge panel in the alerting signal acquisition module, is connected with TFT liquid crystal display driver module again; The signal of ultrasonic distance measuring module and video monitoring module is connected with TFT liquid crystal display driver module; 8 operation push-buttons are housed on the gauge panel; Be embedded with a keyboard load module of realizing human-computer interaction function on the meter housing.
Data acquisition module, keyboard load module, voice output module, step motor drive module are connected with the master control module by the IO mouth in the control circuit described in the technical solution of the present utility model; Ultrasonic distance measuring module is provided with interface with parameter and is connected with the master control module by serial port with monitoring module; The master control module handles with graphic image data and liquid crystal control module is connected by serial port; Video monitoring module is connected with graph and image processing and liquid crystal control module by video signal cable; An alerting signal acquisition module part is handled and liquid crystal control module by address, data bus and graphic image data, and another part directly is connected with the LED warning indicator lamp; Video monitoring module is connected with graphic image data processing and liquid crystal control module by address, data bus.
Data acquisition module described in the technical solution of the present utility model is made up of vehicle speed signal shaping and output circuit, tach signal shaping circuit and analog signal filter circuit.
1～8 pin of the button of the keyboard load module described in the technical solution of the present utility model links to each other with the IO mouth of master control module, and the 9th pin of button links to each other with ground.
Ultrasonic distance measuring module described in the technical solution of the present utility model links to each other with the master control module by Connector Clip.
Step motor drive module described in the technical solution of the present utility model links to each other with the barometric stepping motor of the speed of a motor vehicle, rotating speed, propons and back axle.
Alerting signal acquisition module described in the technical solution of the present utility model comprises level switch module and data latch module.
The control input end of the video monitoring module described in the technical solution of the present utility model is handled with graphic image data and the IO mouth of liquid crystal control module is connected, and the mouth of video monitoring module is connected with TFT liquid crystal display driver module.
The utility model combines the advantage of pointer-type and digital-code type instrument, and with indication of step motor type pointer instrument and the closely-related information of safety traffic, some other information mode with number or figure on TFT color LCD screen shows.TFT color LCD screen also switches to different content according to the running state of vehicle or the button input of chaufeur simultaneously, can be respectively applied for the bearing and distance of demonstration obstacle or the video information in the supervision tailstock or the car.For various alerting signals, this instrument has adopted multiple output prompting mode, can show on the LCD screen, the indication of LED lamp also can be arranged, or utilize voice to point out.
The utility model adopts modular design, reverse sensor range module wherein, and video monitoring module can be used separately, can use by simple combination of interfaces again together.
In addition, the parameter of all instrument in the utility model, alarm threshold, the instrument position, the hand of rotation of pointer can utilize interface module to be provided with on PC, and the configuration of this instrument, modification bring great convenience.
Multi-functional integrated information described in the utility model shows combination instrument, adopt the TFT LCDs of multiple size and advanced graphic image data soft, combination of hardware to handle and the liquid crystal display mode, realized that large information capacity, fast speed graph image show; Combine the advantage of pointer-type and digital-code type instrument, and Reverse Sensor, video monitoring audio alert are integrated in the auto meter, improved the reliability of system.
Description of drawings
Fig. 1 is a modular construction scheme drawing of the present utility model;
Fig. 2 is a front schematic view of the present utility model;
Fig. 3 is the utility model reversing obstacle displayed map;
Fig. 4 is the utility model master control module circuit diagram;
Fig. 5 is the utility model liquid crystal control module partial circuit figure;
Fig. 6 is the utility model ultrasonic distance measuring module circuit diagram;
Fig. 7 is the utility model voice output module circuit diagram;
Fig. 8 is the utility model data acquisition module circuit diagram;
Fig. 9 is the utility model alerting signal acquisition module circuit diagram;
Figure 10 is the utility model keyboard load module circuit diagram.
The specific embodiment
The utility model comprises the control circuit in a set of shells and the housing.Be embedded with keyboard load module, a TFT LCDs of realizing human-computer interaction function on the housing, 4 pointers that drive by micro-step motor, 1 calibrated disc that is printed on dial of meter and part alarm pattern.Control circuit comprises power supply processing and monitoring module, data acquisition module, the alerting signal acquisition module, the master control module, the step motor drive module, graphic image data is handled and liquid crystal control module, TFT liquid crystal display driver module, voice output module, parameter are provided with interface and monitoring module, ultrasonic distance measuring module and video monitoring module.Modular construction scheme drawing of the present utility model is seen Fig. 1.It is characterized in that: average speed indicator, speed gage, two-way Low Air Pressure in Brake are provided with micro-step motor and drive pointer and rotate, and the control end of micro-step motor is connected with the output control terminal of step motor drive module (containing microcontroller) on the wiring board respectively; Engine oil pressure, coolant water temperature, oil mass show with light beam bar and digital dual mode at the TFT liquid crystal display, the numeral and the character of failure message etc. shows with digital form on the TFT liquid crystal display in the outer temperature of vehicle voltage, accumulative mileage, subtotal mileage, car, vehicle interior temperature, date, time, change speed gear box gear, fuel oil consumption, tire pressure, the vehicle ' process, and these show that symbol can be subjected to the control of software and changes.The unit of above-mentioned parameter shows with Chinese under the conventional state, also can regulate with English display by button.The alarm pattern indication of an alerting signal part by printing on the gauge panel, most of by the collection of alerting signal acquisition module, handle specific region on the TFT liquid crystal display, back and show in the mode of automatic rolling clear screen.Monitoring image in the car of all right display video monitoring module picked-up of TFT liquid crystal display, and from the reversing obstacle location of ultrasonic distance measuring module and apart from picture.8 buttons are housed on the gauge panel, can realize that by operation the adjusting of the zero clearing of subtotal mileage, date and time, language switch, display frame is switched button.Parameter is provided with the various parameters that interface and monitoring module are used for being provided with instrument, the mode of operation of monitoring instrument and instrument calibrated etc.
The effect of master control module is the whole instrument of initialization, constantly reads the data of each module then and handles and control.The master control module reads the numerical value of data acquisition module, the speed of a motor vehicle, rotating speed, 2 road braking pressure data is handled back control step motor drive module drive corresponding stepping motor and indicate; Send to the TFT liquid crystal display after data such as machine oil, coolant water temperature, oil mass are handled and control relevant module, be implemented on the TFT liquid crystal display and show with light beam and digital form simultaneously; Sending to the TFT liquid crystal display after data such as failure message in the outer temperature of vehicle voltage, accumulative mileage, subtotal mileage, car, vehicle interior temperature, date, time, change speed gear box gear, fuel oil consumption, tire pressure, the vehicle ' process are handled controls relevant module and realizes that digital form shows.Front schematic view of the present utility model and main displaying contents are gone into shown in Figure 2.The master control module also has the CAN interface, can receive the data message that car load transmits by the CAN bus by adjusting the data definition that software adapts to the different user vehicle CAN bus.The master control module is the variation of supervisory keyboard load module continuously, and these variations comprise the change of level and the time that current level continued, so that make corresponding response.When instrument is connected with PC, the master control module also continuously monitoring parameter the various data that interface and monitoring module are sent by the RS232 serial interface are set so that order and request that PC is sent respond, finish setting to the various parameters of instrument.The master control module also at any time the monitoring pattern view data handle and the request of data of liquid crystal control module, when having detected request of data, become the suitable data form to send to graphic image data corresponding data transfer and handle and liquid crystal control module.The master control module is the various change in information of monitoring vehicle also, and when surpassing secure setting, the master control module starts the voice output module and carries out alarm voice output when some running state of vehicle (, air pressure too high as the speed of a motor vehicle cross low etc.).When the master control module detected astern signal, the information that will say the word was carried out the obstacle distance measurement to ultrasonic distance measuring module, sent corresponding information simultaneously and handled to graphic image data and liquid crystal control module demonstration reversing picture and obstacle distance.The utility model reversing obstacle displayed map is seen Fig. 3.The utility model master control module circuit diagram is seen Fig. 4.
Graphic image data is handled and liquid crystal control module adopts the DSP device, and programming flexibly, programmability is good, integrated level is high, speed is fast, can satisfy big, the fireballing requirement of system's display data amount.This module is used for the initialization of liquid crystal display, and normal data presented is handled and control.Its internal storage has stored various alert icon, Chinese character font, the corresponding information of sending according to the master control module, form with number or histogram on liquid crystal display shows, and comprises current water tank temperature, oil mass, engine oil pressure, level voltage, date and time, current gear, accumulative mileage, subtotal calculation mileage, vehicle interior temperature, the outer temperature of car etc.Graphic image data is handled and liquid crystal control module also reads various states and alarm message, is stored in the internal random memory device with the form of formation, and comes out with the form Pagination Display of icon in the alert icon viewing area of liquid crystal display.The key information that graphic image data is handled and liquid crystal control module also receives the Autonomous Control module to send, displaying contents according to these information Control liquid crystal displays: show reversing picture and obstacle distance during reversing, when receiving the screen switching command, displaying contents shows in 1～No. 3 camera, instrument, the reversing picture is gone switching between showing.When date time of receipt was adjusted order, the Time of Day that need adjust will glimmer and make corresponding change with the input button.The utility model liquid crystal control module partial circuit as shown in Figure 5.
Ultrasonic distance measuring module links to each other with the master control module, and wherein wire harness comprises ground, power supply, reversing indication and RS232 serial port.Ultrasonic distance measuring module is indicated according to reversing, and communicates by RS232 serial port and master control module.The utility model ultrasonic distance measuring module partial circuit as shown in Figure 6.
The voice output module is connected with the IO mouth of master control module, is storing the voice messaging that all need be play in the voice output module, and the action of voice output module is subjected to the control of master control module I O mouth.The utility model voice output module circuit diagram is seen Fig. 7.
If detecting vehicle, the master control module is in the reversing state, reversing information is sent to ultrasonic distance measuring module and graphic image data processing and liquid crystal control module, after graphic image data processing and liquid crystal control module receive reversing information liquid crystal display is switched to the barrier during backing picture, ultrasonic distance measuring module starts range finding work after receiving reversing information, ultrasonic distance measuring module takes turns starting several probes and carries out hypracoustic transmission and reception, the time gap that receives echo according to difference probe calculates the distance of each orientation obstacle, communicates by RS232 serial interface and master control module then.The master control module sends to graphic image data processing and liquid crystal control module by serial interface after receiving the filtering of the laggard line number word of obstacle distance, start the voice output module simultaneously the distance of obstacle is played back with the form of voice, graphic image data processing and liquid crystal control module show the obstacle distance that receives on liquid crystal display.When the master control module detects vehicle and is in non-reverse, the master control module is to ultrasonic distance measuring module and graphic image data is handled and liquid crystal control module sends the corresponding vehicle status information, ultrasonic distance measuring module stops range finding work, and graphic image data is handled and liquid crystal control module switches to main display frame with liquid crystal display.
Data acquisition module comprises vehicle speed signal shaping and output circuit, and tach signal shaping circuit and analog signal filter circuit are formed, and this module main circuit as shown in Figure 8.Its annexation is:
---in vehicle speed signal shaping and the output circuit, the negative pole of diode D27 connects the output of car speed sensor, the positive pole of diode D27 meets divider resistance R5 and R42, signal after the dividing potential drop connects the base stage of shaping output triode T3 and speed of a motor vehicle output triode T4, and the collecting electrode of shaping output triode T3 connects the measurement interruption input of master control module;
---in the tach signal shaping circuit, the output of tachogen meets divider resistance R9 and R10, and the signal after the dividing potential drop switches through the base stage of fast shaping output triode T1, and the collecting electrode of T1 connects the measurement interruption input of master control module;
---the analog signal filter circuit is formed low-pass filter by one group of resistance and electric capacity, and the output of filter connects the input end of the A/D converter of master control module.
The speed of a motor vehicle in the data acquisition module or tach signal Acquisition Circuit, the time that the signal of the speed of a motor vehicle or tachogen output carries out delivering to the master control module by the collecting electrode of output triode T3 or T1 in waveform arrangement back is caught end, by calculating running velocity or the rotating speed that two time gaps between the pulse converse current vehicle, calculate the deflection angle of pointer and the micro-stepping number that stepping motor needs stepping by the current speed of a motor vehicle or revolution counter again, at last pointer is driven into corresponding position.The pointer operation is level and smooth, accurate in order to make, speed of response is fast, digital filter has been used in the driving of stepping motor, variable Rate sampling, maximum speed limit, acceleration limit, variable torque, various control means such as variable step size.
The alerting signal acquisition module comprises that level switch module and its annexation of data latch module are:
---level switch module is made up of last dividing potential drop exclusion, following dividing potential drop exclusion and one group of clamping diode, last dividing potential drop exclusion is connected and links to each other with the positive pole of clamping diode with following minute pressure group, the output of the just very level switch module of clamping diode, the other end of last dividing potential drop exclusion is connected with 5V voltage, the heterodoxy in addition of following dividing potential drop exclusion is connected with ground, and the negative pole of clamping diode is connected with exterior alerting signal.Convert 0～24 volt warning or on-off signal to 0～5 volt Transistor-Transistor Logic level signal, this signal is by latches.
---the data lock module is made up of data latches, and its input connects the output of level switch module, and its output handles with graphic image data and the data bus of liquid crystal control module is connected.The output of data latches allows end to link to each other with the IO mouth of liquid crystal control module.State after latching is handled by graphic image data and liquid crystal control module is presented at that the mode with color graphics shows on the liquid crystal display after reading.The utility model alerting signal acquisition module partial circuit as shown in Figure 9.
The keyboard load module is used for the switching of time on the date setting of instrument, the switching of Chinese and English language, the zero clearing of subtotal mileage and read-out.The annexation of keyboard load module is: 1～8 pin of button J8 links to each other with the IO mouth of master control module, simultaneously by on draw exclusion RR32 to link to each other with the 5V power supply with RR33, the 9th pin of button J8 links to each other with ground.The keyboard load module by button J8 and on draw exclusion to form.When pressing certain button of lower keyboard, its output becomes low level by high level (5V), and the state transformation of this level offers the master control module and reads, to make corresponding response.The utility model keyboard load module circuit as shown in figure 10.
Power supply is handled with monitoring module will carry out filtering, shaping and adjusting from the power line voltage of vehicle battery and electrical generator, become each module and the CPU vdcs such as needed 3.3V, 5V, 9V of working, and guarantee each module normal operation; The situation of change of monitoring vehicle power line voltage notifies CPU to preserve data when Vehicle Power voltage is lower than setting value simultaneously, makes pointer get back to zero-bit.
TFT liquid crystal display driver module receives the data from graphic image data processing and liquid crystal control module, handles rear drive TFT liquid crystal display and shows various pictures.
Claims (8)
1, a kind of multi-functional integrated information shows combination instrument, comprise meter housing, gauge panel and be loaded on average speed indicator in the meter housing, engine speed indicator, Low Air Pressure in Brake and comprise that power supply is handled and monitoring module, data acquisition module, the alerting signal acquisition module, contain microcontroller master control module, TFT liquid crystal display driver module, the control circuit of voice output module, be arranged on the button on the gauge panel, the TFT liquid crystal display, alarm pattern is characterized in that: described average speed indicator, engine speed indicator, 2 Low Air Pressure in Brake are equipped with the micro-step motor that drives pointer; Adopt the TFT LCDs, the Chinese of display machines oil pressure, coolant water temperature, oil mass or English name, light beam bar and numeral, the numeral and the character of failure message in demonstration vehicle voltage, accumulative mileage, subtotal mileage, the outer temperature of car, vehicle interior temperature, date, time, change speed gear box gear, fuel oil consumption, tire pressure, the vehicle ' process; Also comprise the step motor drive module in the control circuit, graphic image data is handled and liquid crystal control module, and parameter is provided with interface and monitoring module, ultrasonic distance measuring module and video monitoring module; Alerting signal is connected with the cooresponding indicator lamp of the alarm pattern on the gauge panel in the alerting signal acquisition module, is connected with TFT liquid crystal display driver module again; The signal of ultrasonic distance measuring module and video monitoring module is connected with TFT liquid crystal display driver module; 8 operation push-buttons are housed on the gauge panel; Be embedded with a keyboard load module of realizing human-computer interaction function on the meter housing.
2, show combination instrument according to the described a kind of multi-functional integrated information of claim 1, it is characterized in that: data acquisition module, keyboard load module, voice output module, step motor drive module are connected with the master control module by the IO mouth in the described control circuit; Ultrasonic distance measuring module is provided with interface with parameter and is connected with the master control module by serial port with monitoring module; The master control module handles with graphic image data and liquid crystal control module is connected by serial port; Video monitoring module is connected with graph and image processing and liquid crystal control module by video signal cable; An alerting signal acquisition module part is handled and liquid crystal control module by address, data bus and graphic image data, and another part directly is connected with the LED warning indicator lamp; Video monitoring module is connected with graphic image data processing and liquid crystal control module by address, data bus.
3, show combination instrument according to claim 1 and 2 described a kind of multi-functional integrated informations, it is characterized in that: described data acquisition module is made up of vehicle speed signal shaping and output circuit, tach signal shaping circuit and analog signal filter circuit.
4, show combination instrument according to claim 1 and 2 described a kind of multi-functional integrated informations, it is characterized in that: 1～8 pin of the button of described keyboard load module (J8) links to each other with the IO mouth of master control module, and the 9th pin of button (J8) links to each other with ground.
5, show combination instrument according to claim 1 and 2 described multi-functional integrated informations, it is characterized in that: described ultrasonic distance measuring module links to each other with the master control module by Connector Clip.
6, show combination instrument according to claim 1 and 2 described multi-functional integrated informations, it is characterized in that: described step motor drive module links to each other with the barometric stepping motor of the speed of a motor vehicle, rotating speed, propons and back axle.
7, show combination instrument according to claim 1 and 2 described multi-functional integrated informations, it is characterized in that: described alerting signal acquisition module comprises level switch module and data latch module.
8, show combination instrument according to claim 1 and 2 described multi-functional integrated informations, it is characterized in that: the control input end of described video monitoring module is handled with graphic image data and the IO mouth of liquid crystal control module is connected, and the mouth of video monitoring module is connected with TFT liquid crystal display driver module.
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| CN102514491A (en) * | 2011-12-23 | 2012-06-27 | 埃泰克汽车电子(芜湖)有限公司 | Vehicle instrument display device |
| CN102529722A (en) * | 2011-12-30 | 2012-07-04 | 中科方德软件有限公司 | Integrated digital vehicle instrument |
| CN102616139A (en) * | 2011-01-28 | 2012-08-01 | 比亚迪股份有限公司 | Vehicle alarm display device and display control method thereof |
| CN102837613A (en) * | 2012-08-21 | 2012-12-26 | 广东好帮手电子科技股份有限公司 | Auto meter and indicator light information informing method thereof |
| CN102910073A (en) * | 2011-08-01 | 2013-02-06 | 成都天兴仪表(集团)有限公司 | Vehicle combination meter capable of displaying rear views |
| CN102938832A (en) * | 2012-10-12 | 2013-02-20 | 广东丰诺汽车安全科技有限公司 | Information display system |
| CN103513598A (en) * | 2013-10-31 | 2014-01-15 | 厦门汇缘湾机电有限公司 | Vehicle-mounted information display device |
| CN103763856A (en) * | 2013-12-21 | 2014-04-30 | 柳州航盛科技有限公司 | Master control circuit board for automobile combined instrument development |
| CN103760791A (en) * | 2013-12-21 | 2014-04-30 | 柳州航盛科技有限公司 | Universal development device of combined instrument of automobile |
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| CN102616139B (en) * | 2011-01-28 | 2015-11-25 | 比亚迪股份有限公司 | Car alarming read out instrument and display control method thereof |
| CN102910073A (en) * | 2011-08-01 | 2013-02-06 | 成都天兴仪表(集团)有限公司 | Vehicle combination meter capable of displaying rear views |
| CN102514491A (en) * | 2011-12-23 | 2012-06-27 | 埃泰克汽车电子(芜湖)有限公司 | Vehicle instrument display device |
| CN102529722B (en) * | 2011-12-30 | 2015-05-20 | 中科方德软件有限公司 | Integrated digital vehicle instrument |
| CN102529722A (en) * | 2011-12-30 | 2012-07-04 | 中科方德软件有限公司 | Integrated digital vehicle instrument |
| CN102837613A (en) * | 2012-08-21 | 2012-12-26 | 广东好帮手电子科技股份有限公司 | Auto meter and indicator light information informing method thereof |
| CN102837613B (en) * | 2012-08-21 | 2015-06-17 | 广东好帮手电子科技股份有限公司 | Auto meter and indicator light information informing method thereof |
| CN102938832A (en) * | 2012-10-12 | 2013-02-20 | 广东丰诺汽车安全科技有限公司 | Information display system |
| CN104838239A (en) * | 2012-12-10 | 2015-08-12 | 矢崎总业株式会社 | Instrument device for vehicles |
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| CN103760791B (en) * | 2013-12-21 | 2016-08-24 | 柳州航盛科技有限公司 | A kind of general development device of automobile combination meter |
| CN103763856A (en) * | 2013-12-21 | 2014-04-30 | 柳州航盛科技有限公司 | Master control circuit board for automobile combined instrument development |
| CN103760791A (en) * | 2013-12-21 | 2014-04-30 | 柳州航盛科技有限公司 | Universal development device of combined instrument of automobile |
| CN103792537A (en) * | 2014-02-21 | 2014-05-14 | 奇瑞汽车股份有限公司 | Plane embedded type car-backing radar system, car-backing control system and control method |
| CN105253021A (en) * | 2015-11-09 | 2016-01-20 | 南京工程学院 | DSP-based motormeter device |
| CN105955497A (en) * | 2016-05-09 | 2016-09-21 | 北京电子科技学院 | Multi-contact switch |
| CN107433854A (en) * | 2016-05-27 | 2017-12-05 | 长城汽车股份有限公司 | Automobile instrument and there is its vehicle |
| CN107200024A (en) * | 2017-06-09 | 2017-09-26 | 江西明泰电气设备有限公司 | One kind driving exchange display screen |
| CN107521344A (en) * | 2017-09-01 | 2017-12-29 | 浙江汽车仪表有限公司 | Based on TFT screen intelligent vehicle combination instruments |
| CN112078514A (en) * | 2020-08-05 | 2020-12-15 | 东风电驱动系统有限公司 | TFT screen alarm lamp self-checking method and device |
| CN112606687A (en) * | 2020-12-21 | 2021-04-06 | 武汉格罗夫氢能汽车有限公司 | Control method of fuel cell hydrogen energy automobile steering wheel control key system |
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