CN201280108Y - Gateway controller of automotive vehicle - Google Patents
Gateway controller of automotive vehicle Download PDFInfo
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- CN201280108Y CN201280108Y CNU2008202079910U CN200820207991U CN201280108Y CN 201280108 Y CN201280108 Y CN 201280108Y CN U2008202079910 U CNU2008202079910 U CN U2008202079910U CN 200820207991 U CN200820207991 U CN 200820207991U CN 201280108 Y CN201280108 Y CN 201280108Y
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- speed communication
- communication circuit
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Abstract
The utility model discloses a vehicle gateway controller, which comprises a high-speed communication circuit; a low-speed communication circuit; a power circuit for detecting the start or close signals of a start gear and/or power charging equipment of the vehicle and supplying power to correlative power-consuming equipment; and a main control unit connected with the power circuit, the high-speed communication circuit and the low-speed communication circuit for adjusting the communication speed of the high-speed communication circuit or the low-speed communication circuit so as to control the communication between the high-speed communication circuit and the low-speed communication speed. The vehicle gateway controller can achieve communication between the high-speed communication circuit and the low-speed communication circuit, and has sleep and wake up functions.
Description
Technical field
The utility model relates to the automobile communication field, specially refers to a kind of automobile gateway controller.
Background technology
Along with continuous advancement in technology, the ECU of automotive use (Electronic Control Unit, electronic control unit) quantity constantly increases, pass through to use CAN (Controller Area Network between the ECU, controller local area network) communicating circuit communication, each ECU (Electronic Control Unit, electronic control unit) is because the baud rate difference of communication, and causes the communication between high-speed CAN communicating circuit and the low speed CAN communicating circuit to realize.
Simultaneously, described ECU and CAN communicating circuit, unification enters dormant state when automobile is out of service, has strengthened the quiescent dissipation of automobile, causes the wasting of resources.
Summary of the invention
One of the purpose of this utility model is for providing a kind of automobile gateway controller, realize waking up and sleep mode and high speed communication circuit and low speed communicating circuit between communication.
The utility model provides a kind of automobile gateway controller, comprises high speed communication circuit and low speed communicating circuit, also comprises:
Power circuit detects the startup shelves of automobile and/or the startup or the closing signal of charging equipment, is relevant consumer power supply;
Main control unit is connected with described power circuit, high speed communication circuit and low speed communicating circuit, regulates the communication speed of high speed communication circuit or low speed communicating circuit, controls the communication between described high speed communication circuit and the low speed communicating circuit.
Automobile gateway controller of the present utility model, the adjusting by to the communication speed of described high speed communication circuit and low speed communicating circuit realizes the communication between described high speed communication circuit and the low speed communicating circuit, and has dormancy and arousal function.
Description of drawings
Fig. 1 is the utility model first embodiment automobile gateway controller architecture scheme drawing;
Fig. 2 is the utility model second embodiment automobile gateway controller architecture scheme drawing.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
The specific embodiment
The automobile gateway controller that the utility model provides can be realized the communication between high speed communication circuit and the low speed communicating circuit, and has dormancy and arousal function.
With reference to Fig. 1, a kind of automobile gateway controller 10 of the utility model first embodiment is proposed, comprise high speed communication circuit 13 and low speed communicating circuit 14, reach the communication between the different ECU (Electronic Control Unit, electronic control unit); Also comprise:
Main control unit 12 (Micro Controller Unit, MCU), be connected with described power circuit 11, high speed communication circuit 13 and low speed communicating circuit 14, regulate the communication speed of high speed communication circuit 13 or low speed communicating circuit 14, control the communication between described high speed communication circuit 13 and the low speed communicating circuit 14.
Described relevant consumer can be main control unit 12, ECU, high speed communication circuit 13 and low speed communicating circuit 14 etc.
Described ECU is connected with described main control unit 12 by high speed communication circuit 13 or low speed communicating circuit 14, comprises engine controller, electric machine controller, instrument controller, air-conditioner controller, battery manager and/or DC/DC conv etc.
Described communication speed can be the data transmission rate of described high speed communication circuit 13 or low speed communicating circuit 14.
The described automobile gateway controller 10 of present embodiment, utilize described main control unit 12 to regulate the communication speed of described high speed communication circuit 13 or low speed communicating circuit 14, make and communication smoothly between high speed communication circuit 13 and the low speed communicating circuit 14 realize the smooth communication between the different ECU.
The utility model second embodiment is based on first embodiment and proposes, and realizes the dormancy of automobile gateway controller 10 on the basis of described first embodiment and wakes up, and can ensure that the communication of described automobile gateway controller 10 is more stable.
With reference to Fig. 2, a kind of automobile gateway controller 10, comprise high speed communication circuit 13, low speed communicating circuit 14, power circuit 11 and main control unit 12, also comprise standby communicating circuit 15, can control by described main control unit 12, replace described high speed communication circuit 13 or low speed communicating circuit 14, ensure that the communication of described automobile gateway controller 10 is more stable.
Described power circuit 11 comprises detecting unit 110, detects the startup shelves of automobile and the startup or the closing signal of charging equipment, starts or PTO Power Take Off circuit 11.Described startup or closing signal can be respectively high or low level signals, and described in the present embodiment actuation signal is a high level signal, and described closing signal is a low level signal.
Described high speed communication circuit 13, low speed communicating circuit 14 and standby communicating circuit 15 are CAN (Controller Area Network, controller local area network) communicating circuits.
Present embodiment is example with the automobile that uses the CAN communicating circuit, further described automobile gateway controller 10 is described.
Described detecting unit 110 is connected with charging equipment 22 with the startup shelves 21 of automobile, and the circuit that starts shelves 21 and/or charging equipment 22 is carried out signal detection.Described detecting unit 110 can detect automobile at the high level signal that performs starting or produce during to battery charge, and starts described power circuit 11, output 5V voltage, thus make described automobile gateway controller 10 enter wake-up states.Described detecting unit 110 can also detect the low level signal that automobile decommissions and produce when not carrying out battery charge, and closes described power circuit 11, output 0V voltage, thus make described automobile gateway controller 10 enter dormant state.Described automobile gateway controller 10 is by realizing dormancy and arousal functions to startup shelves 21 and/or charging equipment 22.
Start after described power circuit 11 detects high level signal, described main control unit 12, high speed communication circuit 13, low speed communicating circuit 14 and ECU etc. and the energising of power circuit 11 bonded assembly consumers are started.
Described main control unit 12, be connected with described power circuit 11, high speed communication circuit 13 and low speed communicating circuit 14, after starting by power circuit 11 energisings, receive high speed communication circuit 13 or low speed communicating circuit 14 data signals transmitted, be stored in register, again described data-signal is adjusted to the data transmission rate identical with the high speed communication circuit 13 that receives data or low speed communicating circuit 14, carry out data transmission, communication smoothly between the ECU of realization use high speed communication circuit 13 and low speed communicating circuit 14.
For example: use the data transmission rate among the ECU of high speed communication circuit 13 to be 500Kb/S, and use the data transmission rate among the ECU of low speed communicating circuit 14 to be 100Kb/S; Can't communication between two ECU because data transmission rate is different.Can regulate by 12 pairs of data transmission rates of described main control unit in the present embodiment.When data transmission rate is that the ECU of 500Kb/S sends data to data transmission rate when being the ECU of 100Kb/S, described main control unit 12 is adjusted to 100Kb/S with the data transmission rate of 500Kb/S and sends, and vice versa.
Described standby communicating circuit 15, be connected with described main control unit 12, when described high speed communication circuit 13 or low speed communicating circuit 14 can not use, can start by described main control unit 12 controls, replace described high speed communication circuit 13 or low speed communicating circuit 14 carries out communication.
Described automobile gateway controller 10 working processs of present embodiment are described as follows:
Start or carry out battery charge when automobile performs, power circuit 11 detects the high level signal that starts shelves 21 or charging equipment 22 by detecting unit 110, output 5V voltage; Between the different ECU of data transmission rate, need to carry out communication, regulate by 12 pairs of data transmission rates of main control unit, with the data transmission rate that sends the ECU of data-signal be adjusted to data transmission rate with the ECU that receives data-signal identical after, carry out communication; When high speed communication circuit 13 or low speed communicating circuit 14 generation problems, can use standby communicating circuit 15 to replace.
Described standby communicating circuit 15, can regulate and control by main control unit 12, make described standby communicating circuit 15 to connect, use different speed to carry out communication, realize replacement described high speed communication circuit 13 or low speed communicating circuit 14 with different ECU.
The described automobile gateway controller 10 of present embodiment, also comprise: crystal oscillating circuit, reset circuit and the dog circuit etc. that opens the door, wherein, described crystal oscillating circuit provides timefrequency for main control unit 12, described reset circuit provides reset signal for main control unit 12, and the described dog circuit that opens the door runs in order to the plug-in that prevents main control unit 12 and flies.
The described automobile gateway controller 10 of present embodiment utilizes described main control unit 12 to regulate the communication speed of described high speed communication circuit 13 or low speed communicating circuit 14, realizes the smooth communication between the different ECU; Have dormancy and arousal function, energy savings; And by 15 pairs of standby communicating circuits are set the high speed communication circuit 13 of problem or the replacement of low speed communicating circuit 14 take place, ensure that the communication of described automobile gateway controller 10 is more stable.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (4)
1, a kind of automobile gateway controller comprises high speed communication circuit and low speed communicating circuit, it is characterized in that, also comprises:
Power circuit detects the startup shelves of automobile and/or the startup or the closing signal of charging equipment, is relevant consumer power supply;
Main control unit is connected with described power circuit, high speed communication circuit and low speed communicating circuit, regulates the communication speed of high speed communication circuit or low speed communicating circuit, controls the communication between described high speed communication circuit and the low speed communicating circuit.
2, automobile gateway controller according to claim 1 is characterized in that:
Described startup or closing signal, wherein, actuation signal is a high level signal; Closing signal is a low level signal.
3, automobile gateway controller according to claim 1 is characterized in that, also comprises:
Standby communicating circuit is connected with described main control unit, replaces described high speed communication circuit or low speed communicating circuit by described main control unit control.
4, automobile gateway controller according to claim 3 is characterized in that:
Described high speed communication circuit, low speed communicating circuit and standby communicating circuit are the CAN communicating circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202079910U CN201280108Y (en) | 2008-08-26 | 2008-08-26 | Gateway controller of automotive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202079910U CN201280108Y (en) | 2008-08-26 | 2008-08-26 | Gateway controller of automotive vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201280108Y true CN201280108Y (en) | 2009-07-29 |
Family
ID=40926993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202079910U Expired - Lifetime CN201280108Y (en) | 2008-08-26 | 2008-08-26 | Gateway controller of automotive vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201280108Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411342A (en) * | 2010-09-26 | 2012-04-11 | 比亚迪股份有限公司 | Power supply system for vehicle constant power module and control method |
| CN102547944A (en) * | 2012-03-11 | 2012-07-04 | 上海宜云物联科技有限公司 | Gate of internet of things for implementing long-term operation in environment without electricity and implementation method |
| CN113459973A (en) * | 2021-07-12 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Electric automobile network system, control method and vehicle |
-
2008
- 2008-08-26 CN CNU2008202079910U patent/CN201280108Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411342A (en) * | 2010-09-26 | 2012-04-11 | 比亚迪股份有限公司 | Power supply system for vehicle constant power module and control method |
| CN102547944A (en) * | 2012-03-11 | 2012-07-04 | 上海宜云物联科技有限公司 | Gate of internet of things for implementing long-term operation in environment without electricity and implementation method |
| CN102547944B (en) * | 2012-03-11 | 2016-03-30 | 上海宜云物联科技有限公司 | Realize the thing net gateway without long-term work under electrical environment and implementation method |
| CN113459973A (en) * | 2021-07-12 | 2021-10-01 | 广州小鹏汽车科技有限公司 | Electric automobile network system, control method and vehicle |
| CN113459973B (en) * | 2021-07-12 | 2023-10-31 | 广州小鹏汽车科技有限公司 | Electric automobile network system, control method and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090729 |
|
| CX01 | Expiry of patent term |