CN203038065U - Original vehicle controller area network bus technology upgrade controlling system - Google Patents
Original vehicle controller area network bus technology upgrade controlling system Download PDFInfo
- Publication number
- CN203038065U CN203038065U CN 201220528139 CN201220528139U CN203038065U CN 203038065 U CN203038065 U CN 203038065U CN 201220528139 CN201220528139 CN 201220528139 CN 201220528139 U CN201220528139 U CN 201220528139U CN 203038065 U CN203038065 U CN 203038065U
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Abstract
The utility model relates to the field of control over a whole vehicle bus system and particularly relates to an original vehicle controller area network bus technology upgrade controlling system. The original vehicle controller area network bus technology upgrade controlling system comprises an MCU (Micro-programmed Control Unit) main control chip, a direct-current voltage step-down circuit, a reset circuit, an input/output control circuit, a data communication circuit and a sensor circuit, wherein the direct-current voltage step-down circuit, the reset circuit, the input/output control circuit, the data communication circuit and the sensor circuit are respectively connected with the MCU main control chip. An original vehicle controller area network bus technology upgrade controlling method is executed by the modules of the system according to certain steps by utilizing the MCU main control chip as a core. Due to the adoption of the upgrade controlling system and the upgrade controlling method, the influence on the safety of an original vehicle line can be avoided, the functions which cannot be realized by the original vehicle system are realized conveniently without damaging the original vehicle line as long as the upgrade controlling system is directly abutted on the upper surface of a control system of an original vehicle, and the system can be used while being plugged.
Description
Technical field
The utility model relates to the control field of whole automobile bus system, specifically is a kind of former vehicle controller local area network bus technology upgrading control system and controlling party thereof.
Background technology
Controller local area network (controllerareanetwork is called for short CAN) is German Bosch company in nineteen eighty-three at first is that automobile is used and developed, a kind ofly can effectively support distributed control and the real-time serial communication network of control, belong to the category of fieldbus (FieldBus).In November, 1993, ISO has formally promulgated controller local area network CAN international standard (ISO11898), promotes for controller local area network standardization, standardization and has paved road.It has become one of most widely used open field bus in the world at present.
CAN-BUS is the CAN bussing technique, and full name is " Controller Area Network BUS technology (Controller Area Network-BUS) ".The communication media of CAN bus can adopt twisted-pair feeder, concentric cable and light transmitting fiber.Communication distance is relevant with baud rate, and maximum communication distance can reach 10km, and maximum communication ripple holdup can reach 1Mdps.Almost most in actual the use what adopt is the multiple twin shielded cable of characteristic impedance 120 Ω, homemade model specification commonly used: STP-120 Ω (for RS485 ﹠amp; CAN) one pair 18 AWG, about outside diameter of cable 8.2mm, the grey sheath.Be applicable to indoor, pipeline and general industry environment.During use, screen layer one end ground connection! Automobile still has heatproof (70 ℃, 90 ℃, 125 ℃ etc. series), oil resistant, specific (special) requirements such as fire-retardant with the CANBUS cable.The CAN bus arbitration adopts 11 bit-identifies and non-destructive position arbitration bus structure mechanism, and priority that can the specified data piece guarantees that highest priority node does not need conflict to wait for when network node conflicts.The CAN bus has adopted how main competitive mode bus structure, has the operation of many main websites and disperses the universal serial bus of arbitration and the characteristics of broadcast communication.On the CAN bus arbitrary node can be at any time on one's own initiative on the network other node send information and be regardless of primary and secondary, therefore can between each node, realize free communication.The CAN bus protocol is authenticated by ISO (International Standards Organization), the technology comparative maturity, and the commercialization of the chip of control, the cost performance height is specially adapted to the data communication between the distributed measurement and control system.
Yet, along with the mankind are increasing to the demand of automobile, the control system of vehicle body is also more and more advanced, traditional control system can't realize the partial function on the former car at all, must finish the operation of regulation by external connection, so that the phenomenon on former fare road will occur destroying, this security meeting to former fare road causes and seriously influences.And, search the wire harness that will realize function and will require great effort time-consuming, very loaded down with trivial details.
The utility model content
The utility model provides a kind of former vehicle controller local area network bus technology upgrading control system and control method thereof at the deficiencies in the prior art.By this upgrading control system and control method thereof, can avoid Influence on security is caused on former fare road, as long as this former vehicle controller local area network bus technology upgrading control system is interfaced directly to above the Controller Area Network BUS technological system of former car, just can realize the function that former truck system cannot be realized, very convenient, can not destroy former fare road, plug and play.
The utility model is achieved through the following technical solutions:
A kind of former vehicle controller local area network bus technology upgrading control system, comprise MCU main control chip, direct-current voltage reducing circuit, reset circuit, input/output control circuit, datel circuit and sensor circuit, described direct-current voltage reducing circuit, reset circuit, input/output control circuit, datel circuit and sensor circuit are connected with the MCU main control chip respectively.
Described MCU main control chip is the core of control total system, and it forms a complete communication network with direct-current voltage reducing circuit, reset circuit, input/output control circuit, datel circuit and sensor circuit.
Described direct-current voltage reducing circuit is a kind of DC-DC reduction voltage circuit, and it mainly acts on and is that former direct current is depressured to level and smooth stable low direct current gives The whole control system with power supply.
Described reset circuit mainly resets to system, stablizes and work reliably to guarantee the circuit in the system.
Described input/output control circuit is the part of the former car upgrading control system of CAN-BUS outer signal, if the system that runs into can't realize by the data stream of former car when wanting function, can only solve these problems by outer signal.
Described datel circuit, it mainly acts on and is that the utility model upgrading control system docks former vehicle controller local area network bus technological system to communicate and swap data, is the interface between controller local area network CAN protocol controller and the physical bus.
Described sensor circuit is the abducent a kind of function of the former car upgrading control system of CAN_BUS, realizes by specific circuit, feeds back to master chip then, makes the action that a series of needs are finished.
Preferably, described MCU main control chip is connected with a display circuit, and the display working condition part of this display circuit former vehicle controller local area network bus technology upgrading control system that is the utility model.
And for the control method of former vehicle controller local area network bus technology upgrading control system, it mainly may further comprise the steps:
The DC decompression power supply, it is finished by direct-current voltage reducing circuit;
System resets, and the MCU main control chip detects voltage whether in the voltage range that sets, if then skip " system resets " step and directly enter into " detecting and control " step, otherwise carry out " system resets ";
Detect and control, input/output control circuit detects and controls the signal that its external former truck system can't be realized;
Data butt joints, after entering into " detecting and control " step, datel circuit just communicates and exchanges data with the control system of former vehicle controller LAN (Local Area Network);
FEEDBACK CONTROL, after entering into " data butt joint " step, sensor circuit is given the MCU main control chip signal feedback of data butt joint, and then the MCU main control chip sends the action that a series of needs are finished.
The beneficial effects of the utility model are: by this upgrading control system and control method thereof, can avoid Influence on security is caused on former fare road, as long as this former vehicle controller local area network bus technology upgrading control system is interfaced directly to above the Controller Area Network BUS technological system of former car, just can realize the function that former truck system cannot be realized, very convenient, can not destroy former fare road, plug and play.
Description of drawings
Fig. 1 is system module block diagram of the present utility model;
Fig. 2 is system module control method block flowsheet synoptic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to restriction of the present utility model.
With reference to Fig. 1, a kind of former vehicle controller local area network bus technology upgrading control system of the utility model, comprise MCU main control chip 1, direct-current voltage reducing circuit 2, reset circuit 3, input/output control circuit 4, datel circuit 6 and sensor circuit 7, described direct-current voltage reducing circuit 2, reset circuit 3, input/output control circuit 4, datel circuit 6 and sensor circuit 7 are connected with MCU main control chip 1 respectively.
Described MCU main control chip 1 is the core of control total system, and it forms a complete communication network with direct-current voltage reducing circuit 2, reset circuit 3, input/output control circuit 4, datel circuit 6 and sensor circuit 7.
Described direct-current voltage reducing circuit 2 is a kind of DC-DC reduction voltage circuits, and it mainly acts on and is that former direct current is depressured to level and smooth stable low direct current gives The whole control system with power supply.
Described reset circuit 3 mainly resets to system, stablizes and work reliably to guarantee the circuit in the system.
Described input/output control circuit 4 is parts of the former car upgrading control system of CAN-BUS outer signal, if the system that runs into can't realize by the data stream of former car when wanting function, can only solve these problems by outer signal.
Described datel circuit 6, it mainly acts on and is that the utility model upgrading control system docks former vehicle controller local area network bus technological system to communicate and swap data, is the interface between controller local area network CAN protocol controller and the physical bus.
Described sensor circuit 7 is the abducent a kind of functions of the former car upgrading control system of CAN_BUS, realizes by specific circuit, feeds back to master chip then, makes the action that a series of needs are finished.
Preferably, described MCU main control chip 1 is connected with a display circuit 5, and this display circuit 5 is display working condition parts of the former vehicle controller local area network bus of the utility model technology upgrading control system.
With reference to Fig. 2, for the control method of former vehicle controller local area network bus technology upgrading control system, it mainly may further comprise the steps:
The DC decompression power supply, it is finished by direct-current voltage reducing circuit 2;
System resets, and MCU main control chip 1 detects voltage whether in the voltage range that sets, if then skip " system resets " step and directly enter into " detecting and control " step, otherwise carry out " system resets ";
Detect and control, input/output control circuit 4 detects and controls the signal that its external former truck system can't be realized;
Data butt joints, after entering into " detecting and control " step, datel circuit 6 just communicates and exchanges data with the control system of former vehicle controller LAN (Local Area Network);
FEEDBACK CONTROL, after entering into " data butt joint " step, sensor circuit 7 is given MCU main control chip 1 signal feedback of data butt joint, and then MCU main control chip 1 sends the action that a series of needs are finished.
The beneficial effects of the utility model are: by this upgrading control system and control method thereof, can avoid Influence on security is caused on former fare road, as long as this former vehicle controller local area network bus technology upgrading control system is interfaced directly to above the Controller Area Network BUS technological system of former car, just can realize the function that former truck system cannot be realized, very convenient, can not destroy former fare road, plug and play.
Below the utility model is described in detail, but apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that appended claims limits.
Claims (2)
1. former vehicle controller local area network bus technology upgrading control system, it is characterized in that: comprise MCU main control chip, direct-current voltage reducing circuit, reset circuit, input/output control circuit, datel circuit and sensor circuit, described direct-current voltage reducing circuit, reset circuit, input/output control circuit, datel circuit and sensor circuit are connected with the MCU main control chip respectively.
2. a kind of former vehicle controller local area network bus technology upgrading control system according to claim 1, it is characterized in that: described MCU main control chip is connected with a display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528139 CN203038065U (en) | 2012-10-16 | 2012-10-16 | Original vehicle controller area network bus technology upgrade controlling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220528139 CN203038065U (en) | 2012-10-16 | 2012-10-16 | Original vehicle controller area network bus technology upgrade controlling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203038065U true CN203038065U (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220528139 Expired - Fee Related CN203038065U (en) | 2012-10-16 | 2012-10-16 | Original vehicle controller area network bus technology upgrade controlling system |
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| Country | Link |
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| CN (1) | CN203038065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880081A (en) * | 2012-10-16 | 2013-01-16 | 中山市领越电子科技有限公司 | System and method for controlling upgrade of original vehicle controller local area network bus technology |
-
2012
- 2012-10-16 CN CN 201220528139 patent/CN203038065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880081A (en) * | 2012-10-16 | 2013-01-16 | 中山市领越电子科技有限公司 | System and method for controlling upgrade of original vehicle controller local area network bus technology |
| CN102880081B (en) * | 2012-10-16 | 2014-12-03 | 中山市领越电子科技有限公司 | System and method for controlling upgrade of original vehicle controller local area network bus technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20161016 |