CN204775066U - Car network system - Google Patents
Car network system Download PDFInfo
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- CN204775066U CN204775066U CN201520518743.8U CN201520518743U CN204775066U CN 204775066 U CN204775066 U CN 204775066U CN 201520518743 U CN201520518743 U CN 201520518743U CN 204775066 U CN204775066 U CN 204775066U
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Abstract
The utility model belongs to the technical field of car control, a car network system is provided, including a plurality of sub - controllers and first clock signal, each sub - controller respectively signal connection in first clock signal, still including detecting the total controller of first clock signal break -make with connect in total controller's second signal line, total controller signal connection in first clock signal, first clock signal with the linear one -tenth loop network of second signal, just first clock signal with still be equipped with the switch between the second signal line. The utility model discloses a first clock signal, second signal line and switch formation loop network, even any node of first clock signal takes place the broken string, each still normally communication of sub - controller improves the reliability of putting in order the car.
Description
Technical field
The utility model belongs to technical field of automobile control, is specifically related to a kind of Automobile Network System.
Background technology
The each controller of automotive interior carries out communication by CAN usually, the high level line trunk wire harness of CAN is together with low level line tying, vehicle frame is fixed on one-sided, if for some reason, as tactical vehicle is hit by bullet, guided missile etc. with trunk wire harness layout, special vehicle is scratched by obstacle, cause connection CAN to disconnect, can not communicate with one another between each controller, thus cause corresponding afunction, whole control system cannot normally work, and vehicle cannot run.
Utility model content
The purpose of this utility model is to provide a kind of Automobile Network System, forms ring network by the first signal wire (SW), secondary signal line and switch, even if any node of the first signal wire (SW) breaks, each sub-controller still can normal communication, improves the reliability of car load.
To achieve these goals, the utility model provides following technical scheme:
A kind of Automobile Network System, comprise several sub-controllers and the first signal wire (SW), each described sub-controller divides level signal to be connected to described first signal wire (SW); Also comprise the master controller detecting described first signal wire (SW) break-make and the secondary signal line being connected to described master controller, described master controller signal is connected to described first signal wire (SW); Described first signal wire (SW) and described secondary signal is linear circularizes network, and be also provided with switch between described first signal wire (SW) and described secondary signal line.
Preferably, described first signal wire (SW) is arranged in the left crossbeam of vehicle frame, and described secondary signal line is arranged in the right crossbeam of described vehicle frame.
Preferably, described switch is electromagnetic relay, and described electromagnetic relay is connected with described master controller signal.
Preferably, described first signal wire (SW) comprises the first high level line and the first low level line, and described secondary signal line comprises the second high level line and the second low level line; The first resistance is connected with between first low side of the first high-end and described first low level line of described first high level line, the second resistance is connected with between second low side of the second high-end and described first low level line of described first high level line, and be connected with the 3rd resistance between the third high end of described first high-end and described second high level line, be connected with the 4th resistance between the 3rd low side of described first low side and described second low level line.
Preferably, described master controller also signal be connected with warning indicator lamp.
Preferably, described warning indicator lamp comprises high level report from a liner warning lamp and low level report from a liner warning lamp, and described high level report from a liner warning lamp is connected with described master controller signal respectively with described low level report from a liner warning lamp.
The beneficial effects of the utility model are:
The utility model is by increasing secondary signal line and master controller, and form ring-like network structure with the first signal wire (SW), communication can be realized by the first signal wire (SW) or the first signal wire (SW) and secondary signal line respectively by each sub-controller of switching over, even if any node of the first signal wire (SW) breaks, each sub-controller can both realize mutual communication by ring network, ensure that the normal work of whole control system, improve the reliability of vehicle.
Accompanying drawing explanation
Fig. 1 is the frame diagram of a kind of detailed description of the invention of Automobile Network System provided by the utility model.
Reference numeral:
In FIG:
ECU0, master controller, ECU1, the first controller, ECU2, second controller, ECU3, the 3rd controller, R1, the first resistance, R2, the second resistance, R3, the 3rd resistance, R4, the 4th resistance, L1, high level report from a liner warning lamp, L2, low level report from a liner warning lamp, CAN_H1, the first high level line, CAN_L1, the first low level line, CAN_H2, the second high level line, CAN_L2, the second low level line, K, electromagnetic relay.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 1, in a kind of detailed description of the invention, Automobile Network System provided by the utility model, comprises several sub-controllers and the first signal wire (SW), and each sub-controller divides level signal to be connected to the first signal wire (SW); Also comprise the master controller ECU0 of detection first signal wire (SW) break-make and be connected to the secondary signal line of master controller ECU0, master controller ECU0 signal is connected to the first signal wire (SW); First signal wire (SW) and secondary signal is linear circularizes network, and the first signal wire (SW) and state between secondary signal line and be also provided with switch.
Above-described embodiment is by increasing secondary signal line and master controller ECU0, and form ring-like network structure with the first signal wire (SW), each sub-controller can be made can to realize communication by the first signal wire (SW) or the first signal wire (SW) and secondary signal line respectively by switching over, therefore, even if any node of the first signal wire (SW) breaks, each sub-controller can both realize mutual communication by ring network, ensure that the normal work of whole control system, improves the reliability of vehicle.
First signal wire (SW) is arranged in the left crossbeam of vehicle frame, and secondary signal line is arranged in the right crossbeam of vehicle frame.First signal wire (SW) and secondary signal line are arranged in respectively the both sides of vehicle frame, the risk that open circuit occurs two signal line for some reason simultaneously can be reduced, thus improve the reliability of whole control system.
First signal wire (SW) can be distributed in the more hidden space of left crossbeam, as left crossbeam abdominal space; Secondary signal line can be distributed in the more hidden space of right crossbeam, as right crossbeam abdominal space.Certainly, the position of the first signal wire (SW) and secondary signal line also can exchange mutually, or is installed on the same space.
Switch is electromagnetic relay K, and electromagnetic relay K is connected with master controller ECU0 signal.The disconnection that electromagnetic relay K can directly realize switch by electric signal be communicated with, facilitate the real-time control of control system, improve the control efficiency of control system.Certainly, switch can be also the switches such as common mechanical switch, or diode, but the opening and closing of mechanical switch needs operating personal to carry out, both labor intensive, reduces again control efficiency; And diode is complicated as switch circuit, increase the cost of control system and the complexity of program.
First signal wire (SW) and secondary signal line are generally CAN, can certainly be other signal wire (SW), as LIN bus etc.
First signal wire (SW) comprises the first high level line CAN_H1 and the first low level line CAN_L1, and secondary signal line comprises the second high level line CAN_H2 and the second low level line CAN_L1; The first resistance R1 is connected with between first high-end and first low side of the first low level line CAN_L1 of the first high level line CAN_H1, the second resistance R2 is connected with between high-end and second low side of the first low level line CAN_L1 of the CAN_H1 second of the first high level line, and be connected with the 3rd resistance R3 between the first high-end and third high end of the second high level line CAN_H2, be connected with the 4th resistance R4 between the 3rd low side of the first low side and the second low level line CAN_L2.By increasing the first resistance R1, the second resistance R2, the 3rd resistance R3 and the 4th resistance R4, preventing whole ring network from damaging because electric current is too large, the Signal transmissions of whole control loop can be made more reliable.
First resistance R1 or the second resistance R2 also can be located at respectively first high-end and second high-end between the first high level line CAN_H1, or the first low level line CAN_L1 between the first low side and the second low side, but this kind of network architecture is unfavorable for Signal transmissions.
Master controller ECU0 also signal is connected with warning indicator lamp.With alert first signal wire (SW) et out of order, carry out on-call maintenance.
Master controller ECU0 can realize by the current signal of detection first signal wire (SW) the judgement that whether disconnects the first signal wire (SW).Particularly, master controller ECU0 can detect the first high level line CAN_H1 or the first low level line CAN_L1 disconnects respectively.
Warning indicator lamp comprises high level report from a liner warning lamp L1 and low level report from a liner warning lamp L2, and high level report from a liner warning lamp is connected with master controller signal respectively with low level report from a liner warning lamp.High level report from a liner warning lamp L1 and low level report from a liner warning lamp L2 is set respectively, is convenient to judge that the first high level line CAN_H1 disconnects or the first low level line CAN_L1 disconnects better, to locate open failure better, convenient for maintaining.
High level report from a liner warning lamp L1 and low level report from a liner warning lamp L2 can be the alarm lamp of different colours, disconnects to distinguish which signal line better.
Master controller ECU0 can also be connected with the device of audible alarm, as buzzer phone etc., the buzzer phone of two alternative sounds or frequency also can be set, any disconnect to distinguish signal line better, certainly, also can voice message be set, as " high level line fault " or " low level line fault ".
The circuit diagram of above-described embodiment is as Fig. 1, first signal wire (SW) and secondary signal is linear circularizes network, the first resistance R1 is connected with between first high-end and first low side of the first low level line CAN_L1 of the first high level line CAN_H1, the second resistance R2 is connected with between second high-end and second low side of the first low level line CAN_L1 of the first high level line CAN_H1, and be connected with the 3rd resistance R3 between the first high-end and third high end of the second high level line CAN_H2, the 4th resistance R4 is connected with between 3rd low side of the first low side and the second low level line CAN_L2, second high level line CAN_H2 the 4th high-end and second high-end between be connected with electromagnetic relay K, 4th low side and second low side of the second low level line CAN_L2 also realize conducting or disconnection by electromagnetic relay K, each sub-controller, as the first controller ECU1, second controller ECU2, the 3rd controller ECU3 and master controller ECU0 are parallel to the first high level line CAN_H1, the first low horizontal line CAN_L1 respectively.
During enforcement, if the first signal wire (SW) is normal, the first resistance R1, the second resistance R2 and the first high level line CAN_H1, the first low level line CAN_L1 form loop, realize the Signal transmissions of sub-controller.If there is open circuit in the first high level line CAN_H1, after master controller ECU0 detects this open circuit information, control high level report from a liner warning lamp L1 to light, the electromagnetic relay of adhesive simultaneously K, first resistance R1, the second resistance R2, the 3rd resistance R3 and the second high level line CAN_H2, the second low level line CAN_L2 and the first low level line CAN_L1 form loop, realize the Signal transmissions of sub-controller.If there is open circuit in the first low level line CAN_L1, after master controller ECU0 detects this open circuit information, control low level report from a liner warning lamp L2 to light, the electromagnetic relay of adhesive simultaneously K, first resistance R1, the second resistance R2, the 4th resistance R4 and the second high level line CAN_H2, the second low level line CAN_L2 and the first high level line CAN_H1 form loop, realize the Signal transmissions of sub-controller.When sending out raw open circuit fault above-mentioned, after on-call maintenance, disconnect electromagnetic relay K by master controller, return the communication that the normal state of the first signal wire (SW) carries out each sub-controller.
The technical solution of the utility model, when secondary signal line generation open circuit, the first signal wire (SW) are normal, also can be passed through master controller ECU0 cut-off switch, realize the communication between sub-controller by the first signal wire (SW).
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only by the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present utility model and scope.
Claims (6)
1. an Automobile Network System, comprises several sub-controllers and the first signal wire (SW), and each described sub-controller divides level signal to be connected to described first signal wire (SW); It is characterized in that, also comprise the master controller detecting described first signal wire (SW) break-make and the secondary signal line being connected to described master controller, described master controller signal is connected to described first signal wire (SW); Described first signal wire (SW) and described secondary signal is linear circularizes network, and be also provided with switch between described first signal wire (SW) and described secondary signal line.
2. Automobile Network System according to claim 1, is characterized in that, described first signal wire (SW) is arranged in the left crossbeam of vehicle frame, and described secondary signal line is arranged in the right crossbeam of described vehicle frame.
3. Automobile Network System according to claim 1, is characterized in that, described switch is electromagnetic relay, and described electromagnetic relay is connected with described master controller signal.
4. Automobile Network System according to claim 1, is characterized in that, described first signal wire (SW) comprises the first high level line and the first low level line, and described secondary signal line comprises the second high level line and the second low level line; The first resistance is connected with between first low side of the first high-end and described first low level line of described first high level line, the second resistance is connected with between second low side of the second high-end and described first low level line of described first high level line, and be connected with the 3rd resistance between the third high end of described first high-end and described second high level line, be connected with the 4th resistance between the 3rd low side of described first low side and described second low level line.
5. Automobile Network System according to claim 4, is characterized in that, described master controller also signal is connected with warning indicator lamp.
6. Automobile Network System according to claim 5, it is characterized in that, described warning indicator lamp comprises high level report from a liner warning lamp and low level report from a liner warning lamp, and described high level report from a liner warning lamp is connected with described master controller signal respectively with described low level report from a liner warning lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518743.8U CN204775066U (en) | 2015-07-14 | 2015-07-14 | Car network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520518743.8U CN204775066U (en) | 2015-07-14 | 2015-07-14 | Car network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204775066U true CN204775066U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520518743.8U Expired - Fee Related CN204775066U (en) | 2015-07-14 | 2015-07-14 | Car network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204775066U (en) |
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2015
- 2015-07-14 CN CN201520518743.8U patent/CN204775066U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20151118 Termination date: 20190714 |