CN203752917U - CAN (Controller Area Network) bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument assembly - Google Patents
CAN (Controller Area Network) bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument assembly Download PDFInfo
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- CN203752917U CN203752917U CN201420017165.5U CN201420017165U CN203752917U CN 203752917 U CN203752917 U CN 203752917U CN 201420017165 U CN201420017165 U CN 201420017165U CN 203752917 U CN203752917 U CN 203752917U
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- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
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Abstract
The utility model relates to the fields of CAN (Controller Area Network) bus technologies, embedded technologies and intelligent instruments, particularly to a CAN bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument. The CAN bus based multi-functional MPV automotive instrument assembly comprises a central controller module, an LCD (Liquid Crystal Display) display module, a pointer module, an alarm module, a lighting module, an operation key module, a CAN transceiver, a power supply management module and a power supply module; a signal input terminal of the CAN transceiver is connected with a vehicle CAN bus; a signal output terminal of the CAN transceiver is connected with a signal input terminal of the central controller module; a data processing unit and a program downloading port are arranged inside the central controller module; the central controller module is in control connection with the LCD display module, the pointer module, the alarm module and the lighting module. According to the CAN bus based multi-functional MPV automotive instrument assembly, wiring harnesses are less, the signal transmission rate is high, the vehicle information display content is rich, the cost can be effectively controlled under the condition that the information obtained by a driver is not affected, and the CAN bus based multi-functional MPV automotive instrument assembly is suitable for popularization and assembly on commercial vehicles.
Description
Technical field
The utility model relates to CAN bussing technique, embedded technology and intelligent instrument field, relates in particular to a kind of multi-functional MPV onboard instruments assembly based on CAN bus.
Background technology
Along with constantly hitting new peak of China's automobile volume of production and marketing, automobile pollution increases severely, serious traffic problems have been brought thereupon, yet most problem is all human element to be caused, due to the judgement lacking travel condition of vehicle information, easily cause all kinds of safety misadventures, thus information of vehicles obtain the topic that becomes a social extensive concern.
Navigating mate obtains travel condition of vehicle information the most directly and actv. mode is by onboard instruments dish, and traditional onboard instruments dish only adopts mechanical pointer automobile combination meter, cannot meet more information of vehicles and show on gauge panel.
Between traditional gauge panel and each hardware module, adopt K line to be connected, not only increase wire harness cost, complete vehicle weight but also bring great inconvenience to plant maintenance and repairing.
Except the information such as traditional speed of a motor vehicle, rotating speed, fuel oil and water temperature, navigating mate need to obtain more vehicle oneself state information, to determine the current residing state of vehicle.
Development along with vehicle bus technology, on increasing vehicle, be equipped with the Controller Area Network of controller local area network, it is CAN bus, therefore be necessary to develop a kind of based on CAN bussing technique, can be used for the multifunctional vehicle mounted instrument assembly that information of vehicles shows, comprehensive car status information is provided, and to improve driver drives vehicle safety, being particularly applied in multi-Purpose Vehicles multipurpose automobile is in MPV vehicle.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of multi-functional MPV onboard instruments assembly based on CAN bus, and this instrument assembly is based on CAN bussing technique, and assembly wire harness is few, and signal transmission rate is high, and information of vehicles displaying contents is abundant.Compare with full-color TFT screen, in the impregnable situation of information of obtaining at chaufeur, cost can be effectively controlled, and is adapted at promoting and assembling on commercial vehicle/comm..vehicle.
The utility model is achieved in that a kind of multi-functional MPV onboard instruments assembly based on CAN bus, comprise central controller module, LCD display module, pointer module, alarm module, lighting module, operation push-button module, CAN transceiver, power management module and power module, the signal input part of described CAN transceiver is connected with vehicle CAN bus, and the signal output part of CAN transceiver is connected with the signal input part of central controller module; Described central controller module is built-in with data processing unit and program download port, central controller module control linkage LCD display module, pointer module, alarm module and lighting module; Central controller module is circumscribed with operation push-button module for removing, switching and system related information is set, and the electric power of described power module converts the power supply of instrument assembly to by power management module.
This instrument assembly applies in MPV vehicle.
Described pointer module comprises rotating speed unit, speed of a motor vehicle unit, fuel oil unit and temperature electric motor units.
Described pointer module is driven by four stepping motors, is positioned between two respectively in two gauge panels, and left side gauge panel cw is indicated corresponding speed of a motor vehicle unit, and conter clockwise is indicated corresponding fuel oil unit; The right gauge panel cw is indicated corresponding rotating speed unit, conter clockwise indication corresponding temperature electric motor units.
Described alarm module comprises frequency conversion buzzer and LED alarm unit.
Described power module is vehicle power or storage battery.
Described central controller module adopts S9S12HY64CLL data processing chip, and its program is downloaded by 6 pin jtag interfaces.
Described CAN transceiver adopts TJA1040 chip.
Described LCD display module is lattice type LCD screen, by contact pin, is fixed on instrument pcb board.
Described power management module connects central controller module, LCD display module, pointer module, lighting module and alarm module by DC-DC chip.
The multi-functional MPV onboard instruments assembly of the utility model based on CAN bus, this instrument assembly is based on CAN bussing technique, by vehicle CAN node of network, obtain car status information, the data of collecting are carried out to fusion treatment, according to signal characteristic, be sent to corresponding information and alarm module separately, modules obtains real-time vehicle status information by corresponding display format or alerting pattern by navigating mate, while instrument is furnished with operation push-button and can operates instrument, can regulate the Lighting System of colourity and brightness can reduce navigating mate visual fatigue; This instrument assembly wire harness is few, and signal transmission rate is high, and information of vehicles displaying contents is abundant.Compare with full-color TFT screen, in the impregnable situation of information of obtaining at chaufeur, cost can be effectively controlled, and is adapted at promoting and assembling on commercial vehicle/comm..vehicle.
Accompanying drawing explanation
Fig. 1 is that the system of the multi-functional MPV onboard instruments assembly of the utility model based on CAN bus connects block diagram.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model statement, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment 1
As shown in Figure 1, a kind of multi-functional MPV onboard instruments assembly based on CAN bus, be mainly used in MPV vehicle, comprise central controller module, LCD display module, pointer module, alarm module, lighting module, operation push-button module, CAN transceiver, power management module and power module, the signal input part of described CAN transceiver is connected with vehicle CAN bus, the signal output part of CAN transceiver is connected with the signal input part of central controller module, and CAN transceiver is delivered to central controller module by the CAN bus signals receiving; Described central controller module is built-in with data processing unit and program download port, for data processing and to modules, controls and program download; Central controller module control linkage LCD display module, pointer module, alarm module and lighting module; LCD display module is used for showing car running computer relevant information; Pointer module comprises rotating speed unit, speed of a motor vehicle unit, fuel oil unit and temperature electric motor units, for real-time indication information, in the present embodiment, described pointer module is driven by four stepping motors, be positioned between two respectively in two gauge panels, left side gauge panel cw is indicated corresponding speed of a motor vehicle unit, and conter clockwise is indicated corresponding fuel oil unit; The right gauge panel cw is indicated corresponding rotating speed unit, conter clockwise indication corresponding temperature electric motor units, and two pointers in initial time two dial plates are positioned at left side miter angle and parallel on the lower side, and rotation extremely separately maximum range there will not be two pointer crossover phenomenons; Central controller module is circumscribed with operation push-button module for removing, switch and arrange system related information, the electric power of described power module converts the power supply of instrument assembly to by power management module, power module is vehicle power or storage battery, and power management module connects central controller module, LCD display module, pointer module, lighting module and alarm module by DC-DC chip.
In the present embodiment, described alarm module comprises frequency conversion buzzer and LED alarm unit, for multi-form alarm mode; Wherein said LED alarm unit is selected 26 kinds of LED lamps of all kinds, for showing the various conventional alerting signal of vehicle, as steering indicating light, fog lamp, ABS-system fault warning light, safety air bag failure warning lamp etc., the state of these LED lamps is controlled by the software downloading in processing unit, under vehicle normal working, there is no alarm; Described frequency conversion buzzer can be realized 6 kinds of audible alarms, and sound changes along with the difference of data processing unit incoming signal.
The utility model can further describe into, described central controller module adopts S9S12HY64CLL data processing chip, universal I/O port by chip is to other module transmission informations, its program is downloaded by 6 pin jtag interfaces, and JTAG pin can download to the source program code of data processing and control in chip.Described CAN transceiver adopts TJA1040 chip; Described LCD display module is lattice type LCD screen, by contact pin, is fixed on instrument pcb board, can show multiple car running computer relevant informations such as comprising clock, accumulative mileage, subtotal mileage, gear, the setting speed that cruises, tire pressure supervisory system information; Described lighting module is controlled by vehicle dimming knob is unified, and brightness and colourity can regulate, and can effectively reduce visual fatigue, meanwhile, for the ease of information identification table information on disk, adopts the larger houselights of aberration contrast.
Claims (10)
1. the multi-functional MPV onboard instruments assembly based on CAN bus, it is characterized in that: comprise central controller module, LCD display module, pointer module, alarm module, lighting module, operation push-button module, CAN transceiver, power management module and power module, the signal input part of described CAN transceiver is connected with vehicle CAN bus, and the signal output part of CAN transceiver is connected with the signal input part of central controller module; Described central controller module is built-in with data processing unit and program download port, central controller module control linkage LCD display module, pointer module, alarm module and lighting module; Central controller module is circumscribed with operation push-button module for removing, switching and system related information is set, and the electric power of described power module converts the power supply of instrument assembly to by power management module.
2. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1, is characterized in that: this instrument assembly applies in MPV vehicle.
3. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described pointer module comprises rotating speed unit, speed of a motor vehicle unit, fuel oil unit and temperature electric motor units.
4. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 3, it is characterized in that: described pointer module is driven by four stepping motors, be positioned between two respectively in two gauge panels, left side gauge panel cw is indicated corresponding speed of a motor vehicle unit, and conter clockwise is indicated corresponding fuel oil unit; The right gauge panel cw is indicated corresponding rotating speed unit, conter clockwise indication corresponding temperature electric motor units.
5. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described alarm module comprises frequency conversion buzzer and LED alarm unit.
6. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described power module is vehicle power or storage battery.
7. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described central controller module adopts S9S12HY64CLL data processing chip, and its program is downloaded by 6 pin jtag interfaces.
8. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described CAN transceiver adopts TJA1040 chip.
9. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described LCD display module is lattice type LCD screen, by contact pin, is fixed on instrument pcb board.
10. the multi-functional MPV onboard instruments assembly based on CAN bus as claimed in claim 1 or 2, is characterized in that: described power management module connects central controller module, LCD display module, pointer module, lighting module and alarm module by DC-DC chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017165.5U CN203752917U (en) | 2014-01-13 | 2014-01-13 | CAN (Controller Area Network) bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017165.5U CN203752917U (en) | 2014-01-13 | 2014-01-13 | CAN (Controller Area Network) bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument assembly |
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| CN203752917U true CN203752917U (en) | 2014-08-06 |
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| CN201420017165.5U Expired - Lifetime CN203752917U (en) | 2014-01-13 | 2014-01-13 | CAN (Controller Area Network) bus based multi-functional MPV (Multi-Purpose Vehicle) automotive instrument assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231389A (en) * | 2016-08-29 | 2016-12-14 | 上海航盛实业有限公司 | A kind of viewing hardware system of vehicle-mounted central control system |
-
2014
- 2014-01-13 CN CN201420017165.5U patent/CN203752917U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231389A (en) * | 2016-08-29 | 2016-12-14 | 上海航盛实业有限公司 | A kind of viewing hardware system of vehicle-mounted central control system |
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Granted publication date: 20140806 |