CN204149875U - Automobile electronic combined instrument - Google Patents
Automobile electronic combined instrument Download PDFInfo
- Publication number
- CN204149875U CN204149875U CN201420647402.6U CN201420647402U CN204149875U CN 204149875 U CN204149875 U CN 204149875U CN 201420647402 U CN201420647402 U CN 201420647402U CN 204149875 U CN204149875 U CN 204149875U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- module
- power supply
- microcontroller
- led lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Instrument Panels (AREA)
Abstract
A kind of automobile electronic combined instrument, comprises circuit card, lamp box, segment encode liquid crystal display, diffusion barrier, instrument drain pan, transparent protective shield; Circuit card is provided with microcontroller, the backlight LED lamp module corresponding with the liquid crystal pen section of segment encode liquid crystal display, backlight LED lamp information acquisition module, liquid crystal driver, switch power module; Backlight LED lamp module comprises the gauge outfit backlight module be connected with ignition lock power supply, the warning be connected with backlight LED lamp information acquisition module and indicating lamp module; Microcontroller is connected by the on-the-spot local operation networks of CAN transceiver and automobile, and microcontroller is connected with warning and indicating lamp module by backlight LED lamp information acquisition module, and the mouth of microcontroller is connected with the input end of liquid crystal driver; Liquid crystal driver mouth is connected with segment encode liquid crystal display.Compare conventional instrument and eliminate the process waiting for stepping motor back to zero, have low in energy consumption, it is reliable that data are preserved in the controlled power down of signal, and dial plate shows the feature contained much information.
Description
Art
The utility model belongs to vehicle instrument display device technical field.Be specifically related to a kind of automobile electronic combined instrument.
Background technology
Orthodox car instrument is all generally be made up of the circuit card containing microcontroller, facial mask dish, meter hand, stepping motor, fritter liquid crystal display and shell, support, glass etc.For ensureing that lower electric backpointer back to zero also needs to arrange the power supply that bulky capacitor maintains the action of stepping motor back to zero, weak point is that back to zero is uncontrollable, and power consumption is large, may affect power failure data and preserve.Being used for the liquid crystal display of display information generally only comprises mileage information, cannot the real-time behavior of all parts and vehicle condition etc. when fully display automobile travels.
Summary of the invention
Goal of the invention of the present utility model be in order to overcome present technology above shortcomings provide a kind of low in energy consumption, signal is controlled, power down preserves that data are reliable, dial plate shows the automobile electronic combined instrument contained much information.
The technical solution of the utility model is: comprise circuit card, lamp box, segment encode liquid crystal display, be arranged at diffusion barrier, instrument drain pan, transparent protective shield between lamp box and segment encode liquid crystal display; Described circuit card is provided with microcontroller, the backlight LED lamp module corresponding with the liquid crystal pen section of segment encode liquid crystal display, backlight LED lamp information acquisition module, for sending the liquid crystal driver that liquid crystal pen section corresponding to instruction control segment encode liquid crystal display is lighted according to microcontroller, for the switch power module of powering for microcontroller, liquid crystal driver, CAN transceiver; Described backlight LED lamp module comprises the gauge outfit backlight module be connected with ignition lock power supply, the warning be connected with backlight LED lamp information acquisition module and indicating lamp module; Microcontroller is connected by the on-the-spot local operation networks of CAN transceiver and automobile, and microcontroller is connected with warning and indicating lamp module by backlight LED lamp information acquisition module, and the mouth of microcontroller is connected with the input end of liquid crystal driver; Liquid crystal driver mouth is connected with segment encode liquid crystal display.
Described switch power module comprises Switching Power Supply input circuit, Switching Power Supply, switch power supply output circuit, Switching Power Supply input end is connected with battery feed through Switching Power Supply input circuit, switched power output is connected with microcontroller, liquid crystal driver, CAN transceiver through switch power supply output circuit, Switching Power Supply control end is through switching power source control circuit and ignition lock power supply, ignition lock power supply is connected with power supply signal observation circuit, switching power source control circuit, power supply signal observation circuit are connected with microcontroller respectively.
Described gauge outfit backlight module comprises speed of a motor vehicle indicating module, mileage indicating module, gear indicating module, battery temperature indicating module, output power of motor indicating module, remaining battery capacity indicating module.
Described segment encode liquid crystal display is provided with the speed of a motor vehicle stylus section corresponding with speed of a motor vehicle indicating module, the mileage stylus section corresponding with mileage indicating module, the gear stylus section corresponding with gear indicating module, the battery temperature stylus section corresponding with battery temperature indicating module, the output power of motor pen section corresponding with output power of motor indicating module, the remaining battery capacity pen section corresponding with remaining battery capacity indicating module, the warning corresponding with warning and indicating lamp module and indicator lamp pen section.
Described warning and indicating lamp module comprise more than one LED lamp, and the color of each LED lamp is red, yellow, blue, green.
Described segment encode liquid crystal display is installed on lamp box through buckle one.
Described lamp box is installed on circuit card through buckle two.
The utility model adopts automotive battery to meter switch Power supply, and the closedown of Switching Power Supply is by instrument microprocessor control.Instrument judges automobile ignition lock power supply signal, instruction is sent after ignition lock power down/power-off judged by microcontroller, instrument performs preserves datamation, after to be done, instrument microprocessor control Switching Power Supply exports and turns off, and makes instrument be in electroless state, compares conventional instrument and eliminates the process waiting for stepping motor back to zero, have low in energy consumption, the feature that signal is controlled.
The utility model have employed segment encode liquid crystal display makes instrument visible area consistent, the input information shown is except the mileage information of routine, also comprise the information such as speed information, battery temperature information, battery remaining power collected by the on-the-spot local operation networks CAN of automobile, be integrated with the Table Header information such as the speed of a motor vehicle/temperature/battery, fault/warning indicator lamp information unified display on segment encode liquid crystal display.The utility model overcomes conventional instrument Problems existing, has instrument power circuit power consumption little, and output can control, and it is reliable that data are preserved in power down, and dial plate shows the feature contained much information.
Accompanying drawing explanation
Fig. 1 is structure cutaway view of the present utility model.
Fig. 2 is front elevation of the present utility model.
Fig. 3 is power control circuit schematic diagram of the present utility model.
Signal transacting and the liquid crystal display schematic diagram of Fig. 4 to be the utility model with microcontroller be core.
Fig. 5 is the liquid crystal diagram of the speed of a motor vehicle, mileage, gear gauge outfit.
Fig. 6 is the liquid crystal diagram of battery temperature, power of motor, remaining battery capacity gauge outfit.
Fig. 7 is gauge outfit backlight LED lamp schematic circuit diagram.
Fig. 8 is the liquid crystal diagram of alarm failure and indicator lamp.
Fig. 9 reports to the police and not under command light backlight LED lamp definitions of color.
Figure 10 reports to the police and not under command light backlight LED lamp schematic circuit diagram.
Detailed description of the invention
In Fig. 1, Fig. 2, the parts such as the utility model comprises lamp box 4, segment encode liquid crystal display 2, diffusion barrier 3, circuit card 5, light-emitting diode 8, a drain pan, a transparent protective shield form.Diffusion barrier 3 is arranged between lamp box 4 and segment encode liquid crystal display 2.Segment encode liquid crystal display 2 is connected by buckle 1 with lamp box 4, lamp box 4 is connected with base circuit board 5 by buckle 6, circuit card 5 under the different spaces 7 be partitioned in lamp box 4 is placed the light-emitting diode 8 define same color with principle after diffusion barrier 3 to segment encode liquid crystal display 2 backlight, make to demonstrate multi colour effect.Instrument circuit plate 5 is provided with power supply switching power circuit and ensures microcontroller, liquid crystal driver, CAN transceiver are powered.Switch power module is made up of Switching Power Supply input circuit, Switching Power Supply, switch power supply output circuit.Circuit card there is backlight LED lamp circuit, lighting the signal input Acquisition Circuit of signal for gathering backlight LED lamp, receive CAN signal input Acquisition Circuit and send the circuit that instruction controls the liquid crystal drive display that liquid crystal pen section corresponding to segment encode liquid crystal display is lighted.Backlight LED lamp circuit is connected with microcontroller by LED lamp signal input Acquisition Circuit.Segment encode liquid crystal display is connected with instrument microcontroller by liquid crystal driver, and instrument microcontroller is connected by the on-the-spot local operation networks CAN of CAN transceiver and automobile.
In Fig. 3, power control circuit of the present utility model comprises the Switching Power Supply input circuit 11 be connected with automotive battery power supply, Switching Power Supply 9, switch power supply output circuit 10.The utility model adopts by the battery-driven Switching Power Supply controlling to export, after automobile ignition lock power remove/power down, the power supply signal monitoring pin of microcontroller 14 can be learnt by the input of power supply signal observation circuit 13 monitor signal and need to preserve data, after data preservation, the Switching Power Supply of microcontroller 14 controls pin and controls master cock power supply output shutoff by switching power source control circuit 12, makes instrument enter idle pattern.
In Fig. 4, by microcontroller 14 by CAN information, LED lamp information and liquid crystal driver 17 and segment encode liquid crystal display 2 couple together.Microcontroller connect 14 receive CAN information and LED lamp information after can control liquid crystal driver and light corresponding liquid crystal display pen section.Microcontroller is PIC18F66K80, and CAN transceiver is TJA1050T, and Switching Power Supply is A7596.CAN information is obtained by CAN signal load module 16, B7/A8/A7/A6/B6/B5/B4 and A5/B15/A4/B3/B10/B14 input pin signal is incorporated in microcontroller by backlight LED lamp information acquisition module 15.
In Fig. 5,6,7, segment encode liquid crystal display, comprise speed of a motor vehicle instruction 17, mileage instruction 18, gear instruction 19, battery temperature instruction 20, output power of motor 21, the conventional gauge outfit instruction that remaining battery capacity 22 grade is necessary, the information of above-mentioned needs display is obtained from the collection of automobile on-the-spot local operation networks CAN by CAN transceiver, to the information of display be needed to be presented on liquid crystal by liquid crystal driver after microcontroller collects CAN information, the backlight LED light that conventional gauge outfit uses can light (as shown in Figure 7) when there being ignition lock power supply.
In Fig. 8,9,10, B7/A8/A7/A6/B6/B5/B4 and A5/B15/A4/B3/B10/B14 input pin signal is incorporated in microcontroller, microcontroller sends data to liquid crystal driver according to actual conditions, be presented at the car door that segment encode liquid crystal display comprises, turn to, fog lamp, the warnings such as safety strap and not under command light (as shown in Figure 8), the most all display is integrated on same segment encode liquid crystal display.Such as, when car door signal is effective, microcontroller can be lighted " car door " symbol on liquid crystal, and the backlight of " car door " symbol is provided by the backlight LED light of " car door ".
For realizing indicating different light-emitting diode (backlight LED lamp) colors on segment encode liquid crystal display, define the color (as shown in Figure 9) of following corresponding indicator lamp.Backlight LED lamp circuit theory of the present utility model, concrete operations are: label A1 is negative pole, and B7/A8/A7/A6/B6/B5/B4 is the input pin of corresponding alarm lamp, when input pin is high level, the backlight LED lamp that corresponding circuits is contacted can be made to light, otherwise corresponding backlight LED lamp can not be lighted; B24 is positive source, and A5/B15/A4/B3/B10/B14 is the input pin of corresponding alarm lamp, when input pin is low level, the backlight LED lamp that corresponding circuits is contacted can be made to light, otherwise corresponding backlight LED lamp can not be lighted (as shown in Figure 10).
Claims (7)
1. an automobile electronic combined instrument, is characterized in that: comprise circuit card, lamp box, segment encode liquid crystal display, be arranged at diffusion barrier, instrument drain pan, transparent protective shield between lamp box and segment encode liquid crystal display;
Described circuit card is provided with microcontroller, the backlight LED lamp module corresponding with the liquid crystal pen section of segment encode liquid crystal display, backlight LED lamp information acquisition module, for sending the liquid crystal driver that liquid crystal pen section corresponding to instruction control segment encode liquid crystal display is lighted according to microcontroller, for the switch power module of powering for microcontroller, liquid crystal driver, CAN transceiver;
Described backlight LED lamp module comprises the gauge outfit backlight module be connected with ignition lock power supply, the warning be connected with backlight LED lamp information acquisition module and indicating lamp module;
Microcontroller is connected by the on-the-spot local operation networks of CAN transceiver and automobile, and microcontroller is connected with warning and indicating lamp module by backlight LED lamp information acquisition module, and the mouth of microcontroller is connected with the input end of liquid crystal driver; Liquid crystal driver mouth is connected with segment encode liquid crystal display.
2. automobile electronic combined instrument according to claim 1, it is characterized in that: described switch power module comprises Switching Power Supply input circuit, Switching Power Supply, switch power supply output circuit, Switching Power Supply input end is connected with battery feed through Switching Power Supply input circuit, switched power output is through switch power supply output circuit and microcontroller, liquid crystal driver, CAN transceiver is connected, Switching Power Supply control end is through switching power source control circuit and ignition lock power supply, ignition lock power supply is connected with power supply signal observation circuit, switching power source control circuit, power supply signal observation circuit is connected with microcontroller respectively.
3. automobile electronic combined instrument according to claim 1, is characterized in that: described gauge outfit backlight module comprises speed of a motor vehicle indicating module, mileage indicating module, gear indicating module, battery temperature indicating module, output power of motor indicating module, remaining battery capacity indicating module.
4. automobile electronic combined instrument according to claim 3, it is characterized in that: described segment encode liquid crystal display is provided with the speed of a motor vehicle stylus section corresponding with speed of a motor vehicle indicating module, the mileage stylus section corresponding with mileage indicating module, the gear stylus section corresponding with gear indicating module, the battery temperature stylus section corresponding with battery temperature indicating module, the output power of motor pen section corresponding with output power of motor indicating module, the remaining battery capacity pen section corresponding with remaining battery capacity indicating module, the warning corresponding with warning and indicating lamp module and indicator lamp pen section.
5. automobile electronic combined instrument according to claim 1, is characterized in that: described warning and indicating lamp module comprise more than one LED lamp, and the color of each LED lamp is red, yellow, blue, green.
6. automobile electronic combined instrument according to claim 1, is characterized in that: described segment encode liquid crystal display is installed on lamp box through buckle one.
7. automobile electronic combined instrument according to claim 1, is characterized in that: described lamp box is installed on circuit card through buckle two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420647402.6U CN204149875U (en) | 2014-11-03 | 2014-11-03 | Automobile electronic combined instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420647402.6U CN204149875U (en) | 2014-11-03 | 2014-11-03 | Automobile electronic combined instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204149875U true CN204149875U (en) | 2015-02-11 |
Family
ID=52508020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420647402.6U Expired - Fee Related CN204149875U (en) | 2014-11-03 | 2014-11-03 | Automobile electronic combined instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204149875U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786844A (en) * | 2014-11-03 | 2015-07-22 | 襄阳群龙汽车部件股份有限公司 | Automobile electronic combination instrument |
| CN104999914A (en) * | 2015-06-23 | 2015-10-28 | 洛阳泰源科技有限公司 | Intelligent tractor combination instrument with parameter setting function |
-
2014
- 2014-11-03 CN CN201420647402.6U patent/CN204149875U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786844A (en) * | 2014-11-03 | 2015-07-22 | 襄阳群龙汽车部件股份有限公司 | Automobile electronic combination instrument |
| CN104999914A (en) * | 2015-06-23 | 2015-10-28 | 洛阳泰源科技有限公司 | Intelligent tractor combination instrument with parameter setting function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104786844A (en) | Automobile electronic combination instrument | |
| CN201166899Y (en) | System for monitoring weariness driving | |
| CN201427527Y (en) | Intelligent combination meter of tractor based on CAN bus technology | |
| CN204149875U (en) | Automobile electronic combined instrument | |
| CN209746538U (en) | Warning lamp box control circuit based on FPGA | |
| CN102602328A (en) | Intelligent car lamp control system and intelligent car lamp control method on basis of CAN (controller area network) field bus technology | |
| CN104442401B (en) | Wireless car speed displaying warning device | |
| CN202719988U (en) | Combination instrument for automobiles based on imaging TFT | |
| CN201604528U (en) | Tractor intelligent combination instrument with control function | |
| CN206856504U (en) | A kind of new energy tailored version automobile combination meter | |
| CN205524666U (en) | Instrument system of electric motor car | |
| CN208706053U (en) | A kind of device travelled convenient for vehicle with best travel speed | |
| CN204978266U (en) | Electric motor car intelligence liquid crystal display instrument | |
| CN207595153U (en) | There is the bicycle instrument of laser navigation | |
| CN204558822U (en) | Automatic controlling temperature alarming safe wiring board | |
| CN207536048U (en) | Electrical salf-walking vehicle radio taillight control system | |
| CN207455241U (en) | A kind of grease factory office block searchlighting light intelligent control system | |
| CN206892653U (en) | CAN automobile instrument | |
| CN203258366U (en) | Intelligent liquid nitrogen pot and intelligent liquid nitrogen pot temperature monitoring system | |
| CN202764970U (en) | Split type driver display unit | |
| CN202069571U (en) | Novel electronic tongue diagnosing instrument | |
| CN204978265U (en) | Electric motor car intelligent instrument who shows trouble through three -colour LED module | |
| CN203752917U (en) | CAN (Controller Area Network) bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument assembly | |
| CN207595133U (en) | There is the bicycle of laser navigation | |
| CN203793138U (en) | OLED display screen and OLED lamp display system for automobile gears |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20181103 |