CN202193023U - Automobile illuminating element control system based on CAN (controller area network) data transmission - Google Patents
Automobile illuminating element control system based on CAN (controller area network) data transmission Download PDFInfo
- Publication number
- CN202193023U CN202193023U CN201120261697XU CN201120261697U CN202193023U CN 202193023 U CN202193023 U CN 202193023U CN 201120261697X U CN201120261697X U CN 201120261697XU CN 201120261697 U CN201120261697 U CN 201120261697U CN 202193023 U CN202193023 U CN 202193023U
- Authority
- CN
- China
- Prior art keywords
- node
- microprocessor
- master
- control system
- automobile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model discloses an automobile illuminating element control system based on CAN (controller area network) data transmission, which comprises a main control system, CAN buses and nodal illumination control systems. The nodal illumination control systems are connected with the main control system by the CAN buses, the main control system transmits instructions to the nodal illumination control systems and receives feedback information of the nodal illumination control systems, the nodal illumination control systems receive the instructions of the main control system, and transmit the feedback information to the main control system, and damaged illuminating elements are replaced automatically. The automobile illuminating element control system can detect states of the illuminating elements of an automobile, prompts the damaged illuminating elements and realizes replacement of the damaged illuminating elements, insecure hidden troubles of the automobile during driving are reduced, and illumination safety of the automobile is improved.
Description
Technical field
The utility model relates to a kind of automotive lighting member control system based on the CAN data transmission.
Background technology
CAN (ControllerAreaNetwork) data bus is a kind of vehicle local net that is applicable to automotive environment.It belongs to a kind of in the multiplex system, by company of German Bosch (Bosch) early 1980s for solving control units numerous in the modern automobile and a kind of serial communication protocol of the data exchange application and development between the testing tool.Because it has full distributed multi-computer system, multiple communication, transmission reliability height, high safety, no network paralysis, is prone to characteristics such as expansion and easy realization, by the automobile widespread use.Yet, in the automotive lighting member control system, really do not have practical application.
Automobile if indicator lamp damages, hidden dangers such as auto against can occur in the process of moving.No matter when turning, is that front or rear steering indicating light damages such as, automobile, all is difficult to show to the automobile driver that closes on turn to requirement; When night running,, also be difficult to show to the automobile driver that closes on if the side-marker lamp damages; In the process of moving, if automobile brake lamp damages, traffic accident such as just be easy to occur knocking into the back.Existing automotive lighting member control system does not have corresponding emergency handling measure, has only just reusing behind the automobile repair.
Summary of the invention
The purpose of the utility model provides a kind of automotive lighting member control system based on the CAN data transmission; It can detect the state of automotive lighting element, the illumination component that damages is pointed out, and substitute; Reduce automobile hidden danger under steam, improve the safety of automotive lighting.
The described automotive lighting member control system based on the CAN data transmission of the utility model comprises master control unit, CAN bus, passes through CAN bus and master control unit bonded assembly node Lighting Control Assembly;
Said master control unit comprises master microprocessor, joystick and button, interface circuit, LCD display and main CAN interface circuit; Joystick is connected with master microprocessor through interface circuit with button, with sending into the master microprocessor analysis after the different location status conversions; Master microprocessor sends order through main CAN interface circuit and the total wire joint of CAN to the node Lighting Control Assembly, and the feedback information of receiving node Lighting Control Assembly; Master microprocessor connects LCD display, and the relevant information of feeding back is presented on the LCD display;
Said node Lighting Control Assembly comprises node microprocessor, driving circuit, illumination component, current detection circuit and node CAN interface circuit; The node microprocessor receives the order of master control unit through node CAN interface circuit and the total wire joint of CAN, and feedback information is sent to master control unit; The node microprocessor is connected with driving circuit; Driving circuit is connected with illumination component, and illumination component is connected with current detection circuit, and current detection circuit is connected with the node microprocessor; Carry out current parameters by order and detect, and pass testing result back the node microprocessor analysis; The node microprocessor substitutes the illumination component that damage is arranged through the other illumination component of driving circuit drives, and forms the feedback information of illumination component state.
Further; Said main CAN interface circuit and node CAN interface circuit are formed by CAN controller and CAN transceiver; Master microprocessor, node microprocessor are connected with the CAN controller; The CAN controller is connected with the CAN transceiver, and the total wire joint of CAN transceiver and CAN is used for receiving and sending data message.
Further, said driving circuit is the two poles of the earth amplifying circuit D3, D4, is used to drive illumination component; Said current detection circuit is made up of closed loop current sensor and amplifying circuit; Said closed loop current sensor is connected with the input end of amplifying circuit, and the mouth OUT of amplifying circuit is connected with the node microprocessor, through current detecting illumination component state.
Further, for the easier attention that lets abnormal information cause chaufeur of ability, be provided with speech processor and loudspeaker in the said master control unit, said speech processor is connected with loudspeaker with master microprocessor, and the relevant information of feedback is passed through speech play.
Further, expand in order to carry out function more easily, but be provided with in the said node Lighting Control Assembly and node microprocessor bonded assembly external drive and extensive interface.Such as increasing functions such as tire pressure monitoring and prompting, temperature detection and prompting, door condition monitoring and prompting, windscreen wiper obstruction prompting and protection, anti-theft column lock control, GPRS monitoring and chain control.
Further; Said node Lighting Control Assembly has four; Be the left front Lighting Control Assembly of automobile, the right front Lighting Control Assembly of automobile, the left back Lighting Control Assembly of automobile, the right back Lighting Control Assembly of automobile, be respectively applied for the state that detects automobile corresponding site illumination component.
The method that the employing said system is carried out the control of automotive lighting element is following:
When joystick and actuation of keys, interface circuit is sent the location status conversion into the master microprocessor analysis, forms command information, and sends to the node microprocessor;
After the node microprocessor is received order, drive illumination component on request, detect the illumination component state, and send the parameter that detects back to the node microprocessor; After the node microprocessor analysis, form feedback information and send back to master microprocessor; If illumination component has damage,, and do following the processing then through LCD display and loudspeaker prompting:
A) be steering indicating light as if what damage, then node microprocessor driven side-marker lamp work substitutes steering indicating light work with the side-marker lamp;
B) be stoplight stop lamp as if what damage, then node microprocessor driven backing-up lamp work substitutes stoplight stop lamp work with backing-up lamp;
C) if that damage is the side-marker lamp, do not occurring turning to when requiring, then node microprocessor driven steering indicating light work substitutes side-marker lamp's work with steering indicating light;
D) be backing-up lamp as if what damage, when not touching on the brake, then node microprocessor driven stoplight stop lamp work substitutes backing-up lamp work with stoplight stop lamp.
The utility model is with the CAN bus mode; Through the data communication order, accomplished control to the automotive lighting element, can detect the state of automotive lighting element; Illumination component to damaging is pointed out; And substitute, reduced automobile hidden danger under steam, the safety that has improved automotive lighting.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Fig. 2 is main CAN interface circuit and node CAN interface circuit figure.
Fig. 3 is driving circuit figure.
Fig. 4 is current detection circuit figure.
Fig. 5 is the diagram of circuit of the utility model master control unit.
Fig. 6 is the diagram of circuit of the utility model node Lighting Control Assembly.
The diagram of circuit that Fig. 7 substitutes the illumination component that damages for the node microprocessor.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Like Fig. 1, Fig. 2, Fig. 3, the automotive lighting member control system based on the CAN data transmission shown in Figure 4, comprise master control unit 1, CAN bus 2, through CAN bus 2 and master control unit 1 bonded assembly node Lighting Control Assembly 3, be connected the terminal organ 4 at CAN bus 2 two ends, to the power lead 7 of system and illumination component power supply.
Node Lighting Control Assembly 3 has four; Be the left front Lighting Control Assembly of automobile, the right front Lighting Control Assembly of automobile, the left back Lighting Control Assembly of automobile, the right back Lighting Control Assembly of automobile; Be respectively applied for the illumination component state that detects the automobile corresponding site, form feedback information.They include node microprocessor 31 (but model S3C2410X-SPI), driving circuit 32, illumination component 33, current detection circuit 34, node CAN interface circuit 35 external drive 36 and extensive interface 37; Node microprocessor 31 is connected with CAN bus 2 through node CAN interface circuit 35, receives the order of master control unit, and feedback information is sent to master control unit; Node microprocessor 31 is connected with driving circuit 32; Driving circuit 32 is connected with illumination component 33, and illumination component 33 is connected with current detection circuit 34, and current detection circuit 34 is connected with node microprocessor 31; Carrying out current parameters by the order of master control unit 1 detects; And pass testing result back node microprocessor 31 and analyze, form feedback information, and the illumination component that damage is arranged is carried out substituting automatically.But external drive 36 is connected with node microprocessor 31 with extensive interface 37, can be used for carrying out functions such as tire pressure monitoring and prompting, temperature monitoring and prompting, door condition monitoring and prompting, windscreen wiper obstruction prompting and protection, anti-theft column lock control, GPRS monitoring and chain control and expands.But the external drive 36 among the figure in the right front Lighting Control Assembly of automobile is connected thermal detector 6 with extensive interface 37; Be used to detect the temperature in critical component such as the engine engine lid; In case note abnormalities; Produce prompting immediately and show and suggestion voice, let chaufeur attract great attention and take corresponding measure.
Main CAN interface circuit 15 is formed by CAN controller MCP2510 and CAN transceiver TJA1050 with node CAN interface circuit 35; Master microprocessor 11, node microprocessor 31 are connected with the CAN controller; The CAN controller is connected with the CAN transceiver; The CAN transceiver is connected with CAN bus 2, is used for receiving and sending data message.
Like Fig. 5, Fig. 6, shown in Figure 7, the workflow of the utility model is following:
After system initialization, the CAN bus initialization; Driver's operation joystick and button 12 actions; Convert location status to electric signal such as emergent, turning etc. through interface circuit 13 and send into master microprocessor 11 analyses; Formation meets the data format of J1939 standard; These data form the data link layer structure through main CAN interface circuit 15, send information through the Physical layer that meets the ISO11898 standard to each node Lighting Control Assembly; (this comes outside transmission information with regard to the control that the arbitrary equipment that allows on bus has equal chance to obtain bus to the communication pattern of employing time-division multiplex technology.If have the more than two devices desire to send information at synchronization, data collision will take place, the CAN bus can detect these conflict situations in real time and make corresponding arbitration and can not destroy information to be passed); After node microprocessor 31 is received order, drive illumination component 33 on request, detect the illumination component state, and the current parameters of the reflection illumination component state that will detect is sent node microprocessor 31 back to; After node microprocessor 31 is analyzed, form feedback information and send back to master microprocessor 11; If illumination component 33 has damage, then through LCD display 14 and loudspeaker 17 promptings; 31 pairs of corresponding elements that damage of node microprocessor substitute simultaneously:
If what damage is steering indicating light, then node microprocessor driven side-marker lamp work substitutes steering indicating light work with the side-marker lamp;
If what damage is stoplight stop lamp, then node microprocessor driven backing-up lamp work substitutes stoplight stop lamp work with backing-up lamp;
If that damage is the side-marker lamp, do not occurring turning to when requiring, then node microprocessor driven steering indicating light work substitutes side-marker lamp's work with steering indicating light;
If what damage is backing-up lamp, when not touching on the brake, then node microprocessor driven stoplight stop lamp work substitutes backing-up lamp work with stoplight stop lamp.
Such as, the automobile turn lamp, left front damages, and then can on LCD display, show " damage of left front steering indicating light " printed words and pass through the loudspeaker broadcast; Simultaneously, the node microprocessor is analyzed through the logical AND preceence, and the side-marker lamp who employs the automobile left front certainly replaces steering indicating light work.
The utility model also is combined with lead state detector 5 in the power lead 7 to system's power supply; Lead state detector 5 is connected with master microprocessor 11; Be used for providing to master control unit 1 in real time the power data of power lead 7 operations; In case it is higher data target to occur, will produce abnormal prompt signal in various degree according to the departure degree of index; Prevent that electric power conductor from going wrong.
Claims (6)
1. the automotive lighting member control system based on the CAN data transmission is characterized in that: comprise master control unit (1), CAN bus (2), pass through CAN bus and master control unit bonded assembly node Lighting Control Assembly (3);
Said master control unit (1) comprises master microprocessor (11), joystick and button (12), interface circuit (13), read-out and main CAN interface circuit (15); Joystick is connected with master microprocessor through interface circuit with button, with sending into the master microprocessor analysis after the different location status conversions; Master microprocessor sends order through main CAN interface circuit and the total wire joint of CAN to the node Lighting Control Assembly, and the feedback information of receiving node Lighting Control Assembly; Master microprocessor connects read-out, and the relevant information of feeding back is presented on the read-out;
Said node Lighting Control Assembly (3) comprises node microprocessor (31), driving circuit (32), illumination component (33), current detection circuit (34) and node CAN interface circuit (35); The node microprocessor receives the order of master control unit through node CAN interface circuit and the total wire joint of CAN, and feedback information is sent to master control unit; The node microprocessor is connected with driving circuit; Driving circuit is connected with illumination component, and illumination component is connected with current detection circuit, and current detection circuit is connected with the node microprocessor; Carry out current parameters by order and detect, and pass testing result back the node microprocessor analysis; The node microprocessor substitutes the illumination component that damage is arranged through the other illumination component of driving circuit drives, and forms the feedback information of illumination component state.
2. the automotive lighting member control system based on the CAN data transmission according to claim 1; It is characterized in that: said main CAN interface circuit (15) and node CAN interface circuit (35) are formed by CAN controller and CAN transceiver; Master microprocessor (11), node microprocessor (31) are connected with the CAN controller; The CAN controller is connected with the CAN transceiver, and the CAN transceiver is connected with CAN bus (2), is used for receiving and sending data message.
3. the automotive lighting member control system based on the CAN data transmission according to claim 1 and 2 is characterized in that: said driving circuit (32) is the two poles of the earth amplifying circuit (D3, D4), is used to drive illumination component (33); Said current detection circuit (34) is made up of closed loop current sensor and amplifying circuit; Said closed loop current sensor is connected with the input end of amplifying circuit, and the mouth OUT of amplifying circuit is connected with node microprocessor (31), through current detecting illumination component state.
4. the automotive lighting member control system based on the CAN data transmission according to claim 3; It is characterized in that: be provided with speech processor (16) and loudspeaker (17) in the said master control unit (1); Said speech processor is connected with loudspeaker with master microprocessor, and the relevant information of feedback is passed through speech play.
5. the automotive lighting member control system based on the CAN data transmission according to claim 4; It is characterized in that: be provided with in the said node Lighting Control Assembly (3) with node microprocessor (31) but bonded assembly external drive (36) and extensive interface (37), be used to carry out function and expand.
6. the automotive lighting member control system based on the CAN data transmission according to claim 5; It is characterized in that: said node Lighting Control Assembly (3) has four; Be the left front Lighting Control Assembly of automobile, the right front Lighting Control Assembly of automobile, the left back Lighting Control Assembly of automobile, the right back Lighting Control Assembly of automobile, be respectively applied for the state that detects automobile corresponding site illumination component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261697XU CN202193023U (en) | 2011-07-22 | 2011-07-22 | Automobile illuminating element control system based on CAN (controller area network) data transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120261697XU CN202193023U (en) | 2011-07-22 | 2011-07-22 | Automobile illuminating element control system based on CAN (controller area network) data transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202193023U true CN202193023U (en) | 2012-04-18 |
Family
ID=45947950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120261697XU Expired - Lifetime CN202193023U (en) | 2011-07-22 | 2011-07-22 | Automobile illuminating element control system based on CAN (controller area network) data transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202193023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343856A (en) * | 2011-07-22 | 2012-02-08 | 重庆华福车船电子设备制造有限公司 | System and method for controlling automotive lighting elements based on CAN (controller area network) data transmission |
| CN110772177A (en) * | 2018-07-27 | 2020-02-11 | 松下电器（美国）知识产权公司 | Information processing method, information processing apparatus, and recording medium |
-
2011
- 2011-07-22 CN CN201120261697XU patent/CN202193023U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343856A (en) * | 2011-07-22 | 2012-02-08 | 重庆华福车船电子设备制造有限公司 | System and method for controlling automotive lighting elements based on CAN (controller area network) data transmission |
| CN110772177A (en) * | 2018-07-27 | 2020-02-11 | 松下电器（美国）知识产权公司 | Information processing method, information processing apparatus, and recording medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101895450B (en) | Semiconductor integrated circuit device | |
| CN102407816B (en) | Early warning system and detection method for safety performance of large bus based on controller area network (CAN) bus | |
| CN110116721B (en) | Train speed limit control method and management system for rail transit | |
| CN102795184B (en) | Anti-initiatively avoidance system and the control method thereof of knocking into the back | |
| CN102849006B (en) | Vehicular intelligent safety warning system | |
| CN101559763A (en) | Automobile brake-by-wire method based on CAN bus communication technology and device thereof | |
| CN202138330U (en) | CAN (controller area network) bus based safety performance warning system for coach | |
| CN202193028U (en) | Automotive lighting safety control system based on CAN (controller area network) data transmission | |
| CN103085736B (en) | Vehicle speed signal secure transmission system, method and vehicle | |
| CN202193023U (en) | Automobile illuminating element control system based on CAN (controller area network) data transmission | |
| CN201716592U (en) | Diagnostic instrument for vehicle failure | |
| CN108825689A (en) | A kind of system and method for real-time monitoring brake block thickness | |
| CN106303823A (en) | Peripheral sensor interface signal is to the conversion of audio signal | |
| KR100708385B1 (en) | Smart module for in-vehicle sensor network | |
| CN102343856A (en) | System and method for controlling automotive lighting elements based on CAN (controller area network) data transmission | |
| CN202306321U (en) | Automobile fault code reading system | |
| CN110466450B (en) | Automobile safety detection system | |
| CN201071047Y (en) | Manual brake forgetting release alarm device in vehicle operation | |
| CN106945599A (en) | A kind of vehicle brake caution system, method and vehicle | |
| CN202193029U (en) | Automotive lighting circuit detecting system based on CAN (controller area network) data transmission | |
| CN201970995U (en) | Train safety protection system | |
| CN106184179A (en) | A kind of ABS work real time status alarm set and method of work thereof | |
| CN111347986B (en) | Electrical apparatus box, electrical apparatus box monitored control system and vehicle | |
| CN113830096A (en) | Vehicle control method and device and vehicle | |
| CN102107626B (en) | Automatic motor vehicle anti-collision system and implementation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |
|
| CX01 | Expiry of patent term |