CN101436067A - Electronic switch centralized controller of automobile electric appliance system - Google Patents
Electronic switch centralized controller of automobile electric appliance system Download PDFInfo
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- CN101436067A CN101436067A CNA2008102297426A CN200810229742A CN101436067A CN 101436067 A CN101436067 A CN 101436067A CN A2008102297426 A CNA2008102297426 A CN A2008102297426A CN 200810229742 A CN200810229742 A CN 200810229742A CN 101436067 A CN101436067 A CN 101436067A
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Abstract
The invention discloses an integrated controller for electronic switches of an electric appliance system of an automobile, which is designed to solve technical problems that the whole automobile detection and maintenance of the automobile need to be more convenient and quicker, the operation control needs to be simpler and so on. The integrated controller mainly comprises electronic control switches on the automobile and corresponding loads which are in control connection with each switch; and the integrated control and processing are performed to the electronic control switches by taking a MPC555 main control chip as a core, assembling corresponding I/O modules and communication interfaces connected with the loads on the MPC555 chip, and acquiring a control signal by a sensor through the MPC555 main control chip and a real-time operation system RTOS arranged on the MPC555 main control chip. The integrated controller has the advantages that integrated controller is integrated with various control switches and the detection function of electric appliances of the automobile, changes a large quantity of mechanical and electric switches on the automobile into the controllable electric switches, and realizes the detection and control to all functions by a singlechip. The integrated controller has the advantages of low cost, simplicity, easiness, high integration degree, intuition, strong maneuverability and so on, solves the difficulty and inconvenience of maintenance and detection, and has functions of improvement and perfection to the automobile in electronization and automation.
Description
Technical field:
The present invention relates to the technical field of automobile electric appliance system, relate in particular to a kind of automobile electric appliance system electronic switch Centralized Controller.
Background technology:
Along with the fast development of auto industry, automobile becomes increasingly complex in the requirement of control, communication and network facet, and the various control device on the automobile are integrated, robotization has been trend of the times.Make car load detect with easy to maintenanceization, easy to operate be numerous clients and the maintenance personal is long-term expects.
Summary of the invention:
Native system makes the vehicle complete vehicle detection more convenient with maintenance in order to solve, technical matterss such as operation control is simpler, and provide a kind of automobile electric appliance system electronic switch Centralized Controller, it mainly comprises the electronic control switch on the automobile, with with the respective load of each switch control linkage, by being core with the MPC555 main control chip and on the MPC555 chip, being furnished with corresponding I/O module and the communication interface that is connected with each load, by the sensor acquisition control signal, real time operating system RTOS by being equipped with on MPC555 main control chip and its carries out centralized control and processing to each electronic control switch again; Realize load control by power output module; By ignition control module and portfire control linkage; Carry out overheating protection detection, the detection of lack/opening circuit by security protection module and each power output module control linkage, pass through the CAN bus and the car load display apparatus electric signal control linkage of MPC555 microprocessor again; Described real time operating system RTOS receives MPC555 hardware platform state and information by the BDM interface; Set up controlling models; And be connected with compiler controlling models or C programmer are generated MPC555 machine source code; By the BDM interface source code is sent to the MPC555 hardware platform; Main control chip MPC555 controller by system is responsible for detecting, judging the state of each electron device, and sends corresponding steering order.
Characteristics of the present invention and beneficial effect: the various gauge tap, the measuring ability that integrate car electrics, a large amount of mechanical switch and relays that use on the automobile are become controllable electronic switch, control and drive load with electronic switch signal, realize Detection ﹠ Controling with the computer single-chip microcomputer to all functions, it is low, simple that native system has a cost, integrated degree height, advantage such as directly perceived, workable can satisfy client and maintenance personnel's basic need to greatest extent.Many difficulties and the inconvenience of perplexing maintenance, testing staff have for a long time not only been solved, also the integrated of automotive electronics and robotization aspect have been played improvement and improved effect, along with rapid development of automobile industry, will play a significant role aspect automotive electronicsization, the robotization.
Description of drawings:
Fig. 1 structural representation of the present invention
Fig. 2 circuit theory synoptic diagram of the present invention
Fig. 3 is based on the ECU core texture synoptic diagram of MPC555
Fig. 4 is a CAN interface circuit schematic diagram
Fig. 5 is the power output module circuit theory diagrams
Fig. 6 is the workflow diagram of each power output module
Fig. 7 is IGNITION CONTROL and security protection module workflow diagram
Fig. 8 is the alarm module synoptic diagram
Embodiment:
Referring to Fig. 1-Fig. 2, automobile electric appliance system electronic switch Centralized Controller, it mainly comprises the electronic control switch k1 on the automobile, k2, ..., kn (as: power switch, pole changer, dipping switch, the distance light switch, the profile switch, the front fog lamp switch, the Rear Fog Lamp switch, reversing switch, brake switch, preceding wash switch, back wash switch, preceding wiper switch, back wiper switch, EmS), with with respective load (the 1......n) (as: power supply of each switch control linkage, the left steering lamp, the right turn lamp, dipped headlights, high beam, clearance light, front fog lamp, Rear Fog Lamp, backup lamp, brake lamp, preceding washing lamp, back washing lamp, preceding windscreen wiper lamp, back wiper switch, EmS and warm-air drier, preceding wiper, back rain strip device and air conditioner), by being core with the MPC555 main control chip and on the MPC555 chip, being furnished with corresponding I/O module and the communication interface that is connected with each load, by sensor 1, ..., sensor n (as: Light indicator, rain sensor etc.) acquisition controlling signal, real time operating system RTOS by being equipped with on MPC555 main control chip and its carries out centralized control and processing to each electronic control switch again; By the output of the power in the power output module 1, power output 2 ... power output n, realize the control to each load (1......n); By ignition control module and ignition switch control linkage; Security protection module is by MPC555 microprocessor and each power output module control linkage, and carries out that overheating protection detects, the detection of lack/opening circuit, the car load display apparatus by being connected with MPC555 microprocessor CAN bus again, the state of the individual load of demonstration.Be contained in the real time operating system RTOS on the MPC555 microprocessor, receive MPC555 hardware platform state and information by the BDM interface; Set up controlling models; And be connected with compiler controlling models or C programmer are generated MPC555 machine source code; By the BDM interface source code is sent to the MPC555 hardware platform; Main control chip MPC555 controller by system is responsible for detecting, judging the state of each electron device, and sends corresponding steering order.
The MPC555 microcontroller is the representative products of Motorola PowerPC 555 series, and it has adopted the technology such as chip structure, AMD flash memories of IBM microcontroller.Be to aim at the designed computer chips of high-end embedded control system such as automotive electronics, Aero-Space, intelligence system.This product can be worked under high-speed mobile and rigorous environment (working temperature :-40～125 ℃), function admirable, and have the dirigibility and the reliability of height.The present invention is exactly at electronic control switch signals all on the automobile, utilizes the power of this chip, to sensor and control signal centralized control and processing.The MPC555 controller is furnished with types of applications I/O module and communication interface, and a cover real time operating system (RTOS) is housed.Under the management of operating system, by BDM interface navigation MPC555 hardware platform state and information; Set up controlling models; Be connected controlling models or C programmer generation MPC555 machine source code with compiler; By the BDM interface source code is sent to the MPC555 hardware platform; MPC555 is the core of controller, and it is responsible for detecting, judging the state of each electron device, and sends corresponding steering order.
For example: rain brush control, at first transmit the signal that rainfall changes by rain sensor, controller is according to the data of sensor and Wiper motor is carried out classification, Classification Management, sending corresponding instruction again controls, thereby reach Based Intelligent Control to rain brush, during also have processing to various bursty state.
Referring to Fig. 3, the ECU core texture of MPC555, its main functional modules has:
* the reduced instruction set computer RCPU of dominant frequency 40MHz;
* level Four Memory Controller;
* U-Bus system interface unit (USIU);
* instruction and data memory protection unit flexibly;
*448KB?Flash?EEPROM；
*26KB?SRAM；
* dual-time processing unit (TPU3);
* 18 channel module I/O systems (MIOS1);
* deque's analog-to-digital conversion module (QADC);
* two CAN2.0B controller modules (TouCANs);
* formation serial hyperchannel module (QSMCM).
Signal acquisition module provides acquired signal by each switch and sensor among the present invention, and realizes centralized control by MPC 555.
Driver module drives each load among the present invention.Because MPC 555 control chips have the advantage that is easy to realize input and output, so it has the extremely strong driving and the ability of control load, and for the input and output of regular tap amount, the 18 channel module I/O MIOS1 of system can satisfy the demand substantially; When control needs more I/O for complex environment, because minimum system is adopted in the ECU design, need not extended memory etc., its 24 bit address bus and 32 bit data bus can be used as the free time general purpose I/O and use.
Communication module is realized the communication of MPC 555 controllers and car load display apparatus by the CAN bus.
Referring to Fig. 4, the CAN interface circuit, MPC 555 is inner integrated two-way CAN 2.0B controller module only need increase a transceiver and just can finish high-speed communication when ECU designs.Native system has adopted the PCA82C250 transceiver of PHILIPS Co., and its transfer rate is up to 1Mbps.Be used for realizing being connected with the CAN bus.Vcc among Fig. 4 represents positive source, Vss is an earth terminal, C-H is that input high level is effective, C-L is that low level is effective, CANL1 is expressed as the port that connects of system and CAN bus, and R is expressed as impedance matching, and C is expressed as the capacitive reactance coupling, CNTX1 is the output signal that system sends to the CAN bus, and CNRX1 is the input signal that system receives the CAN bus.
Referring to Fig. 5, Fig. 6, each power output module and workflow, by the overheating protection in the security protection module, short-circuit protection and open circuit protection overheating protection detection, the detection of lack/opening circuit are carried out in each load, handle abnormal conditions by alarm module, realize differentiation and processing control, output and the various abnormality of each load (1......n); Its workflow is: after power output module is received control signal, be responsible for detecting, judging the state of each (load) electron device such as high beam, dipped headlights, front fog lamp, backup lamp and other primary light by main control chip MPC555 controller, whether short circuit or open circuit and send corresponding steering order shows, reports to the police; After carrying out power amplification under the normal situation of circuit, judge that each electron device is whether overheated and send corresponding steering order, show, report to the police; Under normal situation, implement load.
The reflection of each power output module be control to all loads; the differentiation and the result of output and various abnormality; have directly perceived; advantage such as succinct; that low-power load output is adopted is Philip power amplifier elements T DA2030A; powerful output load is then agree high power valve 2SC series of elements with three and is reached real-time control to load; simultaneously; it also has short circuit; open circuit; overheated; measuring abilities such as overload protection; by controller various situations are discerned; after the analysis; export to alarm by power model and produce warning, it can effectively control and handle various emergency case.
Referring to Fig. 7; IGNITION CONTROL and security protection module workflow; after MPC 555 control chips are received power supply input signal; at the igniting before and after various contingent situation as whether lighting a fire; under the situation of having lighted a fire; to whether short circuit occurring, whether occur opening circuit etc. situation is discerned and is analyzed; send instruction by MPC555; whether decision starts normal safeguard protection/outage safeguard protection and start warning device shows accordingly, reports to the police, thereby reaches detection and safety protection function to car load.
Referring to Fig. 8, alarm module, by MPC 555 by each power output module to alarm send various emergency monitor signals (or the door 1 ... or door n), produces alerting signal, reach effective control and handle various emergency case by alarm.
Claims (4)
1, automobile electric appliance system electronic switch Centralized Controller, it mainly comprises the electronic control switch on the automobile, with with the respective load of each switch control linkage, it is characterized in that: by being core with the MPC555 main control chip and on the MPC555 chip, being furnished with corresponding I/O module and the communication interface that is connected with each load, by the sensor acquisition control signal, real time operating system RTOS by being equipped with on MPC555 main control chip and its carries out centralized control and processing to each electronic control switch again; Realize load control by power output module; By ignition control module and portfire control linkage; Carry out overheating protection detection, the detection of lack/opening circuit by security protection module and each power output module control linkage, pass through the CAN bus and the car load display apparatus electric signal control linkage of MPC555 microprocessor again; Described real time operating system RTOS receives MPC555 hardware platform state and information by the BDM interface; Set up controlling models; And be connected with compiler controlling models or C programmer are generated MPC555 machine source code; By the BDM interface source code is sent to the MPC555 hardware platform; Main control chip MPC555 controller by system is responsible for detecting, judging the state of various electron devices, and sends corresponding steering order.
2, automobile electric appliance system electronic switch Centralized Controller according to claim 1 is characterized in that: described electronic control switch comprises pole changer, dipping switch, distance light switch, profile switch, front fog lamp switch, Rear Fog Lamp switch, reversing switch, brake switch, preceding wash switch, back wash switch, preceding wiper switch, back wiper switch, EmS and other switches commonly used.
3, automobile electric appliance system electronic switch Centralized Controller according to claim 1; it is characterized in that: described each power output module; by the overheating protection in the security protection module, short-circuit protection and open circuit protection overheating protection detection, the detection of lack/opening circuit are carried out in load, handled abnormal conditions by alarm module.
4, automobile electric appliance system electronic switch Centralized Controller according to claim 3 is characterized in that: described power output module, realize the differentiation and the processing of control, output and the various abnormality of load by workflow; After power output module is received control signal, be responsible for detecting, judging the state of each electron device by integrated manipulator main control chip MPC555 controller, whether short circuit or open circuit and send corresponding steering order, behind amplifying power under the normal situation of circuit, judge that again each electron device is whether overheated and send corresponding steering order, under normal situation, implementing load.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102297426A CN101436067A (en) | 2008-12-15 | 2008-12-15 | Electronic switch centralized controller of automobile electric appliance system |
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|---|---|---|---|
| CNA2008102297426A CN101436067A (en) | 2008-12-15 | 2008-12-15 | Electronic switch centralized controller of automobile electric appliance system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354132A (en) * | 2011-07-26 | 2012-02-15 | 中国船舶重工集团公司第七一六研究所 | Vehicle-mounted intelligent controller for engineering machinery based on PowerPC (personal computer) processor |
| CN102811232A (en) * | 2011-05-31 | 2012-12-05 | 德尔福电子(苏州)有限公司 | Data processing method and apparatus for implementing reconfiguration of automobile communication gateway software |
| CN103472786A (en) * | 2013-09-04 | 2013-12-25 | 陈林海 | Intelligent wall switch system |
| CN103488111A (en) * | 2013-09-29 | 2014-01-01 | 宁波市鄞州雪利曼电子仪表有限公司 | Automobile general switching collecting system |
| CN105730375A (en) * | 2016-01-28 | 2016-07-06 | 叶少甘 | Vehicle-mounted load power supply control system |
| CN106645869A (en) * | 2016-11-29 | 2017-05-10 | 重庆长安秦川实业有限公司 | Electric appliance group short circuit current test method for multiple model vehicles and current detection system thereof |
| CN106771515A (en) * | 2016-11-29 | 2017-05-31 | 重庆长安秦川实业有限公司 | The overload detection method of multi-vehicle-type circuit 135% and system |
| CN106771479A (en) * | 2016-11-29 | 2017-05-31 | 重庆长安秦川实业有限公司 | A kind of multi-vehicle-type electric motor of automobile group locked rotor current method of testing and its locked rotor current detecting system |
| CN112550184A (en) * | 2019-09-25 | 2021-03-26 | 沃尔沃汽车公司 | Centralized controller for automobile |
| CN114137870A (en) * | 2021-11-11 | 2022-03-04 | 盐城市华悦汽车部件有限公司 | Electronic switch centralized controller of automobile electrical system |
-
2008
- 2008-12-15 CN CNA2008102297426A patent/CN101436067A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102811232B (en) * | 2011-05-31 | 2016-05-25 | 德尔福电子(苏州)有限公司 | A kind ofly realize data processing method and the device that automobile communication gateway software is reshuffled |
| CN102811232A (en) * | 2011-05-31 | 2012-12-05 | 德尔福电子(苏州)有限公司 | Data processing method and apparatus for implementing reconfiguration of automobile communication gateway software |
| CN102354132B (en) * | 2011-07-26 | 2013-04-24 | 中国船舶重工集团公司第七一六研究所 | Vehicle-mounted intelligent controller for engineering machinery based on PowerPC (personal computer) processor |
| CN102354132A (en) * | 2011-07-26 | 2012-02-15 | 中国船舶重工集团公司第七一六研究所 | Vehicle-mounted intelligent controller for engineering machinery based on PowerPC (personal computer) processor |
| CN103472786A (en) * | 2013-09-04 | 2013-12-25 | 陈林海 | Intelligent wall switch system |
| CN103488111B (en) * | 2013-09-29 | 2015-12-16 | 宁波市鄞州雪利曼电子仪表有限公司 | Universal automobile switch acquisition system |
| CN103488111A (en) * | 2013-09-29 | 2014-01-01 | 宁波市鄞州雪利曼电子仪表有限公司 | Automobile general switching collecting system |
| CN105730375A (en) * | 2016-01-28 | 2016-07-06 | 叶少甘 | Vehicle-mounted load power supply control system |
| CN106645869A (en) * | 2016-11-29 | 2017-05-10 | 重庆长安秦川实业有限公司 | Electric appliance group short circuit current test method for multiple model vehicles and current detection system thereof |
| CN106771515A (en) * | 2016-11-29 | 2017-05-31 | 重庆长安秦川实业有限公司 | The overload detection method of multi-vehicle-type circuit 135% and system |
| CN106771479A (en) * | 2016-11-29 | 2017-05-31 | 重庆长安秦川实业有限公司 | A kind of multi-vehicle-type electric motor of automobile group locked rotor current method of testing and its locked rotor current detecting system |
| CN112550184A (en) * | 2019-09-25 | 2021-03-26 | 沃尔沃汽车公司 | Centralized controller for automobile |
| CN112550184B (en) * | 2019-09-25 | 2024-03-01 | 沃尔沃汽车公司 | Centralized controller for automobile |
| CN114137870A (en) * | 2021-11-11 | 2022-03-04 | 盐城市华悦汽车部件有限公司 | Electronic switch centralized controller of automobile electrical system |
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Open date: 20090520 |