CN2774025Y

CN2774025Y - LAN controller of door-window and rear-view mirror for car

Info

Publication number: CN2774025Y
Application number: CN 200520068948
Authority: CN
Inventors: 胡明辉; 张吉宝; 孙杰; 杜林�; 姜光祥
Original assignee: Nanjing Enruite Industrial Co Ltd
Current assignee: Nanjing Enruite Industrial Co Ltd
Priority date: 2005-02-05
Filing date: 2005-02-05
Publication date: 2006-04-19
Anticipated expiration: 2015-02-05

Abstract

The utility model relates to an LAN controller of door window and a rear-view mirror for a car, which is composed of a left door window module, a right door window module, a front door window module, a rear door window module, a window module, a control module, a left-view mirror module, a right-view mirror module and a rear-view mirror module, wherein each module uses the CAN-BUS communication. The module comprises a microprocessor, a CAN unit, a signal input unit, a drive unit, an operating mode indicating unit and a collection current circuit, wherein the CAN unit is connected with a CAN bus and the microprocessor, and mutually exchanges the information with the microprocessor; the microprocessor receives a signal of the signal input unit and collects a signal of a current circuit, and after processing, the output end is connected with the drive unit and the operating mode indicating unit. The LAN controller of door window and a rear-view mirror for a car enhances the network management function, reduces the bunch and lowers the cost; the work is stable and reliable. A car window electric machine has the inching function and the automatic function, and is more consistent with the human centered design.

Description

Automobile door and window and rearview mirror local area network (LAN) control device

Technical field

The utility model relates to a kind of automobile door and window and rearview mirror local area network (LAN) control device.

Background technology

Along with the consumer to progressively raising vehicle intellectualized, electronic, information-based, that networking requires, the developing direction of Hyundai Motor electronics is that technology such as computer, communication, control, microelectronics, electronic sensor are incorporated automobile, make automobile by traditional engineering goods to new high-tech product evolution.China automotive electronic industry is in the starting stage at present, about 1000 families of national automotive electronics enterprise, but most scope of the enterprise is little, and product is single and with low content of technology.Product concentrates on vehicle electronic device such as automobile audio, automobile instrument, communication navigation set and part semiconductor circuit and device, transducer, motor etc.It is reported that the responsible person of the Ministry of Information Industry once said in national information technology application working conference,, all will realize intelligent by information technology to base, vehicle-mounted, the dispatching patcher of travelling etc. from fuel oil, the control system of automobile.Information technology is used in the degree of depth of automotive field, with propelling vehicle generation revolutionary variation, makes automotive electronics become one of new growth engines thus.

The CAN bussing technique is through American-European countries nearly 20 years greatly developing, and agreement has formed in software application layer that a whole set of is complete and meet the fault diagnosis system of vehicle safety; And the mature system platform that on this diagnosis system, further develops out contact production testing, configuration and manage after sale.The CAN bussing technique has been proved to be fail safe and the extensibility and the suitable large-scale auto industry production that can improve automobile.So for the research and development and the application of high-end technology, especially the CAN bussing technique must be quickened one's step, in automotive electronics, obtain to the greatest extent fast the application.

Summary of the invention

The technical problems to be solved in the utility model is to overcome that automobile door and window and rearview mirror control bus system adopt traditional binder lines many in the prior art, the failure diagnosis disunity, the deficiency that cost is high, a kind of employing CAN is provided communication, utilization meets the diagnostic function of international standard, the real-time Transmission of normal vehicle-mounted data can be finished, and automobile door and window and rearview mirror local area network (LAN) control device that unified fault data detects and produces can be accomplished.

Automobile door and window and rearview mirror local area network (LAN) are controlled device mainly by left front door, window module, right front door, window module, left back door, window module, right back door, window module, control module, left-hand mirror module, right back visor module is formed, and its principal character is: each module all with the CAN-BUS communication; Above-mentioned module includes microprocessor, CAN unit, signal input unit, driver element, running status indicating member, gathers current circuit; The CAN unit connects CAN bus and microprocessor, and exchanges information with microprocessor, and the signal of microprocessor receives signals input unit and collection current circuit is handled back output and connect driver element, running status indicating member.

After the microprocessor receives signals of left front door, window module, output connects drive circuit, control the switch and the lifting of self door, window,, receive the status signal that other three doors, window module send by switch and the lifting that control other three doors, window also exported in the CAN unit; After the microprocessor receives signals of right front door, window module, output connects drive circuit, controls self Switch for door and window and lifting, by the CAN unit also export other three doors of control switch, receive the status signal that other three doors, window module send; After the microprocessor receives signals of left back door, window module, output connects drive circuit, controls the switch and the lifting of self door, window, also receives Qianmen, the left and right sides, window module control signal by the CAN unit, sends the oneself state signal; After the microprocessor receives signals of right back door, window module, output connects drive circuit, controls the switch and the lifting of self door, window, also receives left and right Qianmen, window module control signal by the CAN unit, sends the oneself state signal; After the control module received signal, the level by the left and right rearview mirror of CAN unit controls and moving both vertically, left and right rearview mirror module is sent status signal by the CAN unit to control module.

The utility model uses CAN-BUS, improved Network Management Function, reduce wire harness, make the control of automobile door and window and rearview mirror have the performance of Long-distance Control, processor adopting MOTOROLA single-chip microcomputer, the integrated level of control system has had raising, and working stability is reliable, Car window electric machine has crawl, automatic function, more can meet human oriented design.

Description of drawings

Fig. 1 is the functional-block diagram of the utility model automobile door and window and rearview mirror local area network (LAN) control device.

Fig. 2 is the functional-block diagram of each module of the utility model.

Fig. 3 is the utility model microprocessor, CAN, running status indicating member functional module electrical schematic diagram.

Fig. 4 is the utility model signal input unit circuit diagram.

Fig. 5 is the utility model current acquisition circuit figure.

Fig. 6 is the utility model drive circuit circuit diagram.

Embodiment

The utility model automobile door and window and rearview mirror local area network (LAN) control principle of device block diagram are seen Fig. 1: the 1st, and left front door, window module, the 2nd, right front door, window module, the 3rd, left back door, window module, the 4th, right back door, window module, the 5th, control module, the 6th, the left-hand mirror module, the 7th, right back visor module, each module all with the CAN-BUS communication; Under the software effect, module 1 is except that the switch, lifting of control self door, window, send control Switch for door and window, lifting order by the CAN bus to

module

2,3,4, receive other three status signals that the door and window module transmits simultaneously, outside the switch of module 2 controls self door, window, the lifting, control the switch of other three doors and receive other three status signals that the door and window module transmits,

module

3,4 is just finished self Switch for door and window, lifting control, the door and window control signal of receiver module 1, is sent status signal to module 1,2 at the gate control signal of receiver module 2.The 5th, controller module, it sends the level or the vertical command of rearview mirror by CAN to 6,7 modules, and receives the status signal of 6,7 modules.6,7 modules just receive the order of 5 control modules, and send self module status signal to 5.

The functional-block diagram of each module such as Fig. 2.The 8th, microprocessor unit adopts the MC9S12DJ64-80 chip, the 12nd, the CAN unit adopts PCA82C250 chip, the 10th, and signal input unit adopts AMP34 type plug-in unit, the 9th, driver element adopts 2 MC33486 chips, the 13rd, running status indicating member, it is made of light-emitting diode and buzzer, the 14th, gather current circuit, the 11st, power supply.The CAN unit of each module connects CAN bus and microprocessor, exchanges information with microprocessor, and microprocessor is connected with signal input unit, collection current circuit, handles back output and connects driver element, running status indicating member.

68,69 pin that further specify concrete enforcement of the present utility model: MC9S12DJ64-80 in conjunction with Fig. 3,4,5,6 connect 1,4 pin of PCA82C250, and 6,7 pin of PCA82C250 connect 13,16 pin of AMP34.The 46 pin output sending and receiving optical diode of MC9S12DJ64-80, the output of 47 pin connects amplifier tube by resistance R 16 and connects buzzer.Power circuit is connected with storage battery by ignition switch, by supplying each functional module behind the three-terminal voltage-stabilizing power supply rectification filter.The reference current signal that is made of TL431 send 60 pin of MC9S12DJ64-80, and the collection current circuit that is made of R4, R12, D8, D9, C58, C59 connects 51,52 pin and the drive circuits of MC9S12DJ64-80 respectively.The drive circuit of door and window is made of two chip MC33486, and 1,2,3,4 pin of MC9S12DJ64-80 connect 18,3 pin of two chips respectively, and 5,16 pin of two chip MC33486 connect 3,9 and 2,8 of AMP34 type connector respectively.Left and right rearview mirror module then need not drive circuit, 1,2,3,4 of MC9S12DJ64-80 is directly met 3,9 and 2,8 of AMP343 get final product.1, being taken into of the switching value signal of 2 modules needs to connect the 16-24 pin of microprocessor MC9S12DJ64-80 after optocoupler TLP521-4 isolates.

Claims

1, automobile door and window and rearview mirror local area network (LAN) are controlled device mainly by left front door, window module, right front door, window module, left back door, window module, right back door, window module, control module, left-hand mirror module, right back visor module is formed, and it is characterized in that: each module all with the CAN-BUS communication.

2, automobile door and window according to claim 1 and rearview mirror local area network (LAN) control device, it is characterized in that: above-mentioned module includes microprocessor, CAN unit, signal input unit, driver element, running status indicating member, gathers current circuit; The CAN unit connects CAN bus and microprocessor, and exchanges information with microprocessor, and the signal of microprocessor receives signals input unit and collection current circuit is handled back output and connect driver element, running status indicating member.

3, automobile door and window according to claim 1 and rearview mirror local area network (LAN) control device is characterized in that; After the microprocessor receives signals of left front door, window module, output connects drive circuit, control the switch and the lifting of self door, window,, receive the status signal that other three doors, window module send by switch and the lifting that control other three doors, window also exported in the CAN unit; After the microprocessor receives signals of right front door, window module, output connects drive circuit, controls self Switch for door and window and lifting, by the CAN unit also export other three doors of control switch, receive the status signal that other three doors, window module send; After the microprocessor receives signals of left back door, window module, output connects drive circuit, controls the switch and the lifting of self door, window, also receives Qianmen, the left and right sides, window module control signal by the CAN unit, sends the oneself state signal; After the microprocessor receives signals of right back door, window module, output connects drive circuit, controls the switch and the lifting of self door, window, also receives left and right Qianmen, window module control signal by the CAN unit, sends the oneself state signal; After the control module received signal, the level by the left and right rearview mirror of CAN unit controls and moving both vertically, left and right rearview mirror module is sent status signal by the CAN unit to control module.