CN206394441U - The full liquid crystal instrument disk of car - Google Patents

Abstract

The utility model is related to a kind of full liquid crystal instrument disk of car, including bonnet, master board, radiating module, liquid crystal display and front panel, master board is fixed in bonnet, radiating module is connected with master board, liquid crystal display is arranged on radiating module, front panel is fastenedly connected by buckle with radiating module, radiating module and front panel clamping liquid crystal display, the utility model is that traditional stepper motor dial plate is substituted using high-resolution liquid crystal display, with figure, the whole vehicle information being collected into is passed to driver by digital form, rich display information, display styles are various, it is handsome in appearance, and display precision is high, it is highly reliable, it is easy to extension, the intellectuality of car can be increased substantially, it is information-based, level of digital, and it is obviously improved the comfortableness of car user, security.

Description

The full liquid crystal instrument disk of car

Technical field：

The utility model is related to car electronic component technical field, and in particular to a kind of full liquid crystal instrument disk of car.

Background technology：

The development of car electrics increasingly intelligentize and informatization, the development of instrument is also faced with diversified demand：It is individual Property display styles, digitized display information, moulding attractive in appearance, the diagnostic function of intelligence, good extended capability etc..At present In car field, have begun to promote full liquid crystal instrument, not only meet the display demand become increasingly abundant, also improve in-car section Skill sense, and abundant personal settings.But, what is continued to use in passenger car field is still traditional stepper motor dial plate, is continued to use Pointer speedometer and revolution counter, stepper motor drive gear to drive indicator to rotate, and the speed information of car is reacted on dial plate And engine speed information, there is pointer jitter phenomenon in pointer gauge, it is impossible to accurately and timely react the states such as car speed, exist Certain hysteresis, while driving stepper motor pinion rotation, for a long time using gear wear, is easily caused display inaccurate.

Utility model content：

In summary, in order to overcome the shortcomings of prior art problem, the utility model provides a kind of full liquid crystal instrument of car Dial plate, it is to substitute traditional stepper motor dial plate using high-resolution liquid crystal display, will be collected into figure, digital form Whole vehicle information passes to driver, and rich display information, display styles are various, handsome in appearance, and display precision is high, reliability By force, it is easy to extension, the intellectuality, informationization, level of digital of car can be increased substantially, and be obviously improved car user Comfortableness, security.

In order to solve the above technical problems, the technical solution adopted in the utility model is：

A kind of full liquid crystal instrument disk of car, wherein：Including bonnet, master board, radiating module, liquid crystal display and front panel, Described master board is fixed in bonnet, radiating module is connected with master board, liquid crystal display is arranged on radiating module, preceding Panel is fastenedly connected by buckle with radiating module, and radiating module and front panel clamping liquid crystal display, described master board include It is plugged with circuit board, circuit board on single-chip microcomputer and Graph Control plate, circuit board and is integrated with power module, input interface, image Output interface and communication interface, power module are that master board and liquid crystal display provide electric energy, and input interface connects the defeated of single-chip microcomputer Enter terminal, the lead-out terminal connection figure control panel of single-chip microcomputer, Graph Control plate connection image output interface, image output interface Liquid crystal display is connected by winding displacement.

Further, described communication module include multigroup CAN interface and LAN interface, master board by CAN interface with it is whole The power bus of car, Vehicle Body Bus, bus communication, master board are logical by LAN interface and intelligent windscreen wiper and tire pressure monitoring Letter.

Further, described input interface includes video input interface, speed input interface, analog input interface and opened Input interface is measured in pass, and video input interface, speed input interface, analog input interface and switch value input interface are connected respectively The input terminal of single-chip microcomputer.

Further, alarm module, clock module, memory module and USB interface are integrated with described master board.

Further, active module, active module connection power module are provided with described master board.

The beneficial effects of the utility model are：

The utility model is that traditional stepper motor dial plate is substituted using high-resolution liquid crystal display, with figure, digital shape The whole vehicle information being collected into is passed to driver by formula, and rich display information, display styles are various, handsome in appearance, and show Precision is high, highly reliable, be easy to extension, can increase substantially the intellectuality, informationization, level of digital of car, Yi Jixian Write comfortableness, the security of lifting car user.

Brief description of the drawings：

Fig. 1 is fractionation structural representation of the present utility model；

Fig. 2 is the control principle drawing of master board of the present utility model.

Embodiment：

The utility model is described in further detail below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 2, the full liquid crystal instrument disk of a kind of car, including bonnet 1, master board 2, radiating module 3, liquid crystal Screen 4 and front panel 5, described master board 2 are fixed in bonnet 1, and radiating module 3, liquid crystal display 4 are connected with master board 2 On radiating module 3, front panel 5 is fastenedly connected by buckle with radiating module 3, radiating module 3 and the clamping liquid of front panel 5 Crystalline substance screen 4, described master board 2 includes being plugged with single-chip microcomputer 202 and Graph Control plate 203 on circuit board 201, circuit board 201, Power module 204, input interface, output interface and communication interface are integrated with circuit board 201, power module 204 is main control Plate 2 and liquid crystal display 4 provide electric energy, and input interface connects the input terminal of single-chip microcomputer 202, the lead-out terminal connection of single-chip microcomputer 202 Graph Control plate 203, the connection image output interface 205 of Graph Control plate 203, image output interface 205 connects liquid by winding displacement Crystalline substance screen 4.

Believe that module includes three groups of CAN interfaces 206 and LAN interface 207, master board 2 is distinguished by three groups of CAN interfaces 206 Communicated with the power bus, Vehicle Body Bus, bus of vehicle, master board 2 is connected with power bus, obtain the car of vehicle Information such as speed, rotating speed, water temperature, engine oil pressure, and by information by being transferred to Graph Control plate 203, Graph Control plate 203 is by number It is believed that breath is graphically shown on liquid crystal display 4, speed, rotating speed are shown by virtual dial plate, water temperature, engine oil pressure etc. Shown by segmented.

Master board 2 connects Vehicle Body Bus, is communicated with car body control module, realizes the control and input of output logic The detection and diagnosis of signal, and detection, diagnostic message are sent to Graph Control plate 203, liquid crystal is driven by Graph Control plate 203 Screen 4 is shown.

The link information bus of master board 2, by bus and vehicle, other intelligent electric appliance parts are communicated, and realize phase The presentation of information that should configure, diagnosis, such as tire pressure monitoring module, centralized lubrication module, axle load module, the configuration of gas leakage module.

LAN interface 207 is provided with master board 2, the functions such as intelligent windscreen wiper, tire pressure monitoring are supported by LAN interface 207 Customization show and diagnose.

Input interface includes video input interface 208, speed input interface 209, analog input interface 210 and switching value Input interface 216, video input interface 208, speed input interface 209, analog input interface 210 and switch value input interface 216 connect the input terminal of single-chip microcomputer 202 respectively.The sensor numbers such as oil mass, the air pressure of the detection automobile of analog input interface 210 According to, through single-chip microcomputer 202 handle after be shown to picture segmentation formula on liquid crystal display 4；Support adopting for sensor resistance amount and voltage Collection.

Vision signal is passed to Graph Control plate 203, the driving liquid crystal display 4 of Graph Control plate 203 by video input interface 208 Shown.

Master board 2 connects multi-functional steering wheel by speed input interface 209, is communicated with multi-functional steering wheel, And send the operation information of driver to Graph Control plate 203, drive liquid crystal display 4 to enter row information by Graph Control plate 203 and show Show, complete the interactive operation between full liquid crystal instrument and driver.

Master board 2 connects in-car air-conditioning, car light etc. by switch value input interface 216 and switched, and switching information is sent To Graph Control plate 203, the various switching informations of vehicle are shown on liquid crystal display 4 by Graph Control plate 203.

Alarm module 211, clock module 212, memory module 213 and USB interface 214, master control are integrated with master board 2 Making sheet 2 connects external storage by USB interface 214, stores information of vehicles by memory module 213, passes through clock module 212 show temporal information on liquid crystal display 4, are sent and are provided with failure audible alarm, master board 2 by alarm module 211 Active module 215, the connection power module 204 of active module 215, sends information, based on power supply by active module 215 to power supply Control panel 2 and liquid crystal display 4 provide power supply.

It is noted that above-described embodiment is to the illustrative and not limiting of technical solutions of the utility model, affiliated technology neck The equivalent substitution of domain those of ordinary skill or the other modifications made according to prior art, as long as not exceeding the utility model skill The thinking and scope of art scheme, should be included within the interest field required by the utility model.

Claims (5)

1. a kind of full liquid crystal instrument disk of car, it is characterised in that：Including bonnet（1）, master board（2）, radiating module（3）, liquid Crystalline substance screen（4）And front panel（5）, described master board（2）It is fixed on bonnet（1）It is interior, master board（2）On be connected with radiating mould Block（3）, liquid crystal display（4）Installed in radiating module（3）On, front panel（5）Pass through buckle and radiating module（3）It is fastenedly connected, dissipates Thermal modules（3）And front panel（5）Clamp liquid crystal display（4）, described master board（2）Including circuit board（201）, circuit board （201）On be plugged with single-chip microcomputer（202）And Graph Control plate（203）, circuit board（201）On be integrated with power module（204）, it is defeated Incoming interface, image output interface（205）And communication interface, power module（204）For master board（2）And liquid crystal display（4）There is provided Electric energy, input interface connection single-chip microcomputer（202）Input terminal, single-chip microcomputer（202）Lead-out terminal connection figure control panel （203）, Graph Control plate（203）Connect image output interface（205）, image output interface（205）Liquid crystal is connected by winding displacement Screen（4）.

2. the full liquid crystal instrument disk of car according to claim 1, it is characterised in that：Described communication module includes multigroup CAN interface（206）And LAN interface（207）, master board（2）Pass through CAN interface（206）Power bus, vehicle body with vehicle is total Line, bus communication, master board（2）Pass through LAN interface（207）Communicated with intelligent windscreen wiper and tire pressure monitoring.

3. the full liquid crystal instrument disk of car according to claim 1, it is characterised in that：It is defeated that described input interface includes video Incoming interface（208）, speed input interface（209）, analog input interface（210）And switch value input interface（216）, video is defeated Incoming interface（208）, speed input interface（209）, analog input interface（210）And switch value input interface（216）Connect respectively Connect single-chip microcomputer（202）Input terminal.

4. the full liquid crystal instrument disk of car according to claim 1, it is characterised in that：Described master board（2）It is upper integrated There is alarm module（211）, clock module（212）, memory module（213）And USB interface（214）.

5. the full liquid crystal instrument disk of car according to claim 1, it is characterised in that：Described master board（2）It is upper to set There is active module（215）, active module（215）Connect power module（204）.