CN204210315U - Electronlmobil color liquid crystal bus combination instrument - Google Patents
Electronlmobil color liquid crystal bus combination instrument Download PDFInfo
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- CN204210315U CN204210315U CN201420560684.6U CN201420560684U CN204210315U CN 204210315 U CN204210315 U CN 204210315U CN 201420560684 U CN201420560684 U CN 201420560684U CN 204210315 U CN204210315 U CN 204210315U
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Abstract
The utility model provides a kind of electronlmobil color liquid crystal bus combination instrument, comprise power circuit, bus communication circuitry, primary controller, LCD MODULE, buzzing alarm module, signal designation module and gauge panel, power module is connected respectively with primary controller and bus communication circuitry; Bus communication circuitry, LCD MODULE, buzzing alarm module, signal designation module are connected with primary controller respectively with gauge panel; Power circuit at least comprises a DC decompression chip; LCD MODULE comprises the video decoding chip, sequential chip and the LCDs that are connected successively, and video decoding chip is connected with primary controller; Signal designation module comprises multiple indicator lamp, and different indicator lamps is lighted and represented different instructions or alarm message; Gauge panel comprises motor drive ic, stepping motor and the meter hand that stepping connects successively; Stepper motor driver chip is connected with primary controller.
Description
Technical field
The utility model relates to electronlmobil application accessory field, in particular to a kind of color liquid crystal bus combination instrument with the display electronlmobil relevant information of CAN communication function.
Background technology
Along with current air-polluting aggravates, the environmental consciousness of people progressively strengthens, and so that its environmental protection, noise be little etc., advantage fast speed is valued by the people pure electric automobile, and the impetus be widely used greatly.Traditional display instrument display electronlmobil information is single, comprehensively not directly perceived, mainly contains following several situation: 1, do not possess battery management system information display interface flexibly; 2, the positive and negative values of drive system electric current intuitively can not be indicated with pointer; 3, drive system magnitude of voltage can not intuitively be indicated with pointer; 4, storage battery flow valuve can not be shown with pointer; 5, the important warning indication information of signal patch pilot cell system can not be used.In this context, aly to tailor for electronlmobil feature, the development of color liquid crystal instrument to electronlmobil with display electronlmobil information comprehensively has great significance.
Utility model content
The utility model provides a kind of electronlmobil liquid crystal bus combination instrument, in order to CAN communication is combined with LCDs, electronlmobil is installed liquid crystal bus combination instrument, on LCDs and gauge panel, is shown the information of electronlmobil by CAN communication function.
For achieving the above object, the utility model provides a kind of electronlmobil color liquid crystal bus combination instrument, comprises power circuit, bus communication circuitry, primary controller, LCD MODULE, buzzing alarm module, signal designation module and gauge panel, wherein:
Described power module is connected respectively with described primary controller and described bus communication circuitry; Described bus communication circuitry, described LCD MODULE, described buzzing alarm module, described signal designation module are connected with described primary controller respectively with described gauge panel;
Described power circuit at least comprises a DC decompression chip, for higher for outside supplying DC voltage transitions being become the comparatively low dc voltage needed for described combination instrument, powers to give described combination instrument;
Described bus communication circuitry, for realizing described combination instrument and outside bus communication;
Described primary controller, for being responsible for logic control and the data processing of each module of described combination instrument;
Described LCD MODULE, comprise the video decoding chip, sequential chip and the LCDs that are connected successively, described video decoding chip is connected with described primary controller;
Described buzzing alarm module, for exporting audible alarm;
Described signal designation module, comprises multiple indicator lamp, and different described indicator lamps is lighted and represented different instructions or alarm message;
Described gauge panel, comprises stepper motor driver chip, stepping motor and meter hand; Described stepper motor driver chip is connected with described primary controller, described stepping motor is connected with described stepper motor driver chip, described meter hand is connected with described stepping motor, the instrument of described gauge panel has scale, and described stepping motor drives described meter hand to indicate on corresponding scale.
Wherein, described bus communication circuitry is CAN transceiver.
Wherein, described buzzing alarm module is a loud speaker.
Wherein, the instrument of described gauge panel comprises low voltage voltage table, low tension current table, high-tension voltmeter and large current table, and the instrument of each described gauge panel has a described meter hand, a corresponding described stepping motor.
Wherein, described DC decompression chip is L4973.
Wherein, described primary controller is 32 arm processors of NXP, and model is LPC2478.
Wherein, also comprise a switching push button, for switching the display frame on described LCDs.
Compared with prior art, the beneficial effects of the utility model are:
A kind of electronlmobil liquid crystal bus combination instrument that the utility model provides, CAN communication is combined with LCDs, electronlmobil is installed liquid crystal bus combination instrument, on LCDs and gauge panel, is shown the information of electronlmobil by CAN communication function; Adopt performance-oriented step-down chip, reduce system electromagnetic radiation and power supply output pulsation, system works is stablized; The video capture model calling that CAN communication interface is installed with vehicle body easily can be set, and then at the reversing of liquid crystal display screen display and the video information of door; Primary controller preferably can use the LPC2478 treater of NXP, carry CAN controller, liquid-crystal controller, RTC (Real-Time Clock, real-time clock), EEPROM (Electrically Erasable ProgrammableRead-Only Memory, band EEPROM (Electrically Erasable Programmable Read Only Memo)), make peripheral components fewer, improve the stability of system, again reduce cost of product; The mode that pointer instruction and liquid crystal display combine is carried out for the main information such as cell pressure, electric current instrumentation dish, more accurately directly perceived when making digital independent; For the alarm message of electric car control system, the mode adopting signal lamp and buzzing to report to the police, adds the reliability of alarm message display; Comprise switching push button, can the display frame of switchable liquid crystal read-out, make read-out can increase other display frames multiple, as added the interfaces such as battery management system information, monomer battery voltage display, battery module Temperature displaying.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the integral structure block diagram of the electronlmobil liquid crystal bus combination instrument of the utility model embodiment;
Fig. 2 is the crystal display module structure block diagram of the electronlmobil liquid crystal bus combination instrument of the utility model embodiment;
Fig. 3 is the gauge panel structural representation of the electronlmobil liquid crystal bus combination instrument of the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is the integral structure block diagram of the electronlmobil liquid crystal bus combination instrument of the utility model embodiment.As shown in Figure 1, the electronlmobil color liquid crystal bus combination instrument that the utility model provides, comprises power circuit, bus communication circuitry, primary controller, LCD MODULE, buzzing alarm module, signal designation module and gauge panel, wherein:
Described power module is connected respectively with described primary controller and described bus communication circuitry; Described bus communication circuitry, described LCD MODULE, described buzzing alarm module, described signal designation module are connected with described primary controller respectively with described gauge panel;
Described power circuit at least comprises a DC decompression chip, for higher for outside supplying DC voltage transitions being become the comparatively low dc voltage needed for described combination instrument, powers to give described combination instrument;
Described bus communication circuitry, for realizing described combination instrument and outside bus communication;
Described primary controller, for being responsible for logic control and the data processing of each module of described combination instrument;
Described LCD MODULE, comprise the video decoding chip, sequential chip and the LCDs that are connected successively, described video decoding chip is connected with described primary controller;
Described buzzing alarm module, for exporting sound to report to the police;
Described signal designation module, comprises multiple indicator lamp, and different described indicator lamps is lighted and represented different instructions or alarm message;
Described gauge panel, as shown in Figure 3, comprises stepper motor driver chip, stepping motor and meter hand; Described stepper motor driver chip is connected with described primary controller, described stepping motor is connected with described stepper motor driver chip, described meter hand is connected with described stepping motor, the instrument of described gauge panel has scale, and described stepping motor drives described meter hand to indicate on corresponding scale.In an embodiment of the present utility model, the instrument of described gauge panel comprises low voltage voltage table, low tension current table, high-tension voltmeter and large current table, and the instrument of each described gauge panel has a described meter hand, a corresponding described stepping motor.
In an embodiment of the present utility model, described bus communication circuitry is CAN transceiver.
In an embodiment of the present utility model, described buzzing alarm module is a loud speaker.
In an embodiment of the present utility model, described DC decompression chip is NXP (grace intelligence Pu quartz conductor, it is an independently semiconductor company, founded by PHILIPS Co.) L4973, the L4973 chip of NXP, has High Performance, reduces the electromagnetic radiation of system, power supply output pulsation is little, and system works can be made to stablize.
In an embodiment of the present utility model, described primary controller is 32 arm processors of NXP, and model is LPC2478, and this treater carries CAN controller, liquid-crystal controller, RTC, EEPROM, makes peripheral components fewer, improves the stability of system.
In an embodiment of the present utility model, also comprise a switching push button, for making described LCDs switches display frame.
An embodiment of electronlmobil liquid crystal bus combination instrument of the present utility model in the specific implementation, the data message of electronlmobil is received by CAN, CAN transceiver will be passed to primary controller (arm processor LPC2478) after Data Analysis, the meter hand of described primary controller controller dial plate, the indicating module such as indicator lamp, LCDs of signal designation module indicate.The data displaying principle of LCD MODULE as shown in Figure 2, output to video decoding chip by the data-out port of its liquid-crystal controller carried after master controller receives electronlmobil related data, video decoding chip shows being sent on LCDs through sequential chip after data processing.When the instrument of gauge panel receives Men Kai or astern signal, video decoding chip is switched to analog signal conditioning pattern by primary controller, and the vision signal transmitted by camera resolves to numeral and shown by LCDs.As shown in Figure 3, the mode of the utility model meter hand shows the storage battery current voltage (corresponding low voltage voltage table, low tension current table) of electronlmobil and voltage and current (corresponding high-tension voltmeter, the large current table) information of drive system.The voltage and current information analysis received is the control signal of stepping motor by primary controller, makes corresponding hand of dial rotate to corresponding position by controlling motor control chip.The mode that numeral on combination instrument meter hand of the present utility model and LCDs combines shows battery-driven car related data, take into account data directly perceived readable while, add the accuracy of data display, and stability.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can describe according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (7)
1. an electronlmobil liquid crystal bus combination instrument, is characterized in that, comprises power circuit, bus communication circuitry, primary controller, LCD MODULE, buzzing alarm module, signal designation module and gauge panel, wherein:
Described power module is connected respectively with described primary controller and described bus communication circuitry; Described bus communication circuitry, described LCD MODULE, described buzzing alarm module, described signal designation module are connected with described primary controller respectively with described gauge panel;
Described power circuit at least comprises a DC decompression chip, for higher for outside supplying DC voltage transitions being become the comparatively low dc voltage needed for described combination instrument, powers to give described combination instrument;
Described bus communication circuitry, for realizing described combination instrument and outside bus communication;
Described primary controller, for being responsible for logic control and the data processing of each module of described combination instrument;
Described LCD MODULE, comprise the video decoding chip, sequential chip and the LCDs that are connected successively, described video decoding chip is connected with described primary controller;
Described buzzing alarm module, for exporting audible alarm;
Described signal designation module, comprises multiple indicator lamp, and different described indicator lamps is lighted and represented different instructions or alarm message;
Described gauge panel, comprises stepper motor driver chip, stepping motor and meter hand; Described stepper motor driver chip is connected with described primary controller, described stepping motor is connected with described stepper motor driver chip, described meter hand is connected with described stepping motor, the instrument of described gauge panel has scale, and described stepping motor drives described meter hand to indicate on corresponding scale.
2. electronlmobil liquid crystal bus combination instrument according to claim 1, it is characterized in that, described bus communication circuitry is CAN transceiver.
3. electronlmobil liquid crystal bus combination instrument according to claim 1, it is characterized in that, described buzzing alarm module is a loud speaker.
4. electronlmobil liquid crystal bus combination instrument according to claim 1, it is characterized in that, the instrument of described gauge panel comprises low voltage voltage table, low tension current table, high-tension voltmeter and large current table, the instrument of each described gauge panel has a described meter hand, a corresponding described stepping motor.
5. electronlmobil liquid crystal bus combination instrument according to claim 1, it is characterized in that, described DC decompression chip is L4973.
6. electronlmobil liquid crystal bus combination instrument according to claim 1, is characterized in that, described primary controller is 32 arm processors of NXP, and model is LPC2478.
7. electronlmobil liquid crystal bus combination instrument according to claim 1, is characterized in that, also comprise a switching push button, for switching the display frame on described LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560684.6U CN204210315U (en) | 2014-09-26 | 2014-09-26 | Electronlmobil color liquid crystal bus combination instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420560684.6U CN204210315U (en) | 2014-09-26 | 2014-09-26 | Electronlmobil color liquid crystal bus combination instrument |
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| Publication Number | Publication Date |
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| CN204210315U true CN204210315U (en) | 2015-03-18 |
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| CN201420560684.6U Active CN204210315U (en) | 2014-09-26 | 2014-09-26 | Electronlmobil color liquid crystal bus combination instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583476A (en) * | 2018-05-22 | 2018-09-28 | 中国重汽集团成都王牌商用车有限公司 | A kind of CAN bus communication assembling system |
-
2014
- 2014-09-26 CN CN201420560684.6U patent/CN204210315U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583476A (en) * | 2018-05-22 | 2018-09-28 | 中国重汽集团成都王牌商用车有限公司 | A kind of CAN bus communication assembling system |
| CN108583476B (en) * | 2018-05-22 | 2021-10-29 | 中国重汽集团成都王牌商用车有限公司 | CAN bus communication combined system |
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