CN110001577A - A kind of physics disconnection guard method and device for vehicle remote starting - Google Patents
A kind of physics disconnection guard method and device for vehicle remote starting Download PDFInfo
- Publication number
- CN110001577A CN110001577A CN201910314367.3A CN201910314367A CN110001577A CN 110001577 A CN110001577 A CN 110001577A CN 201910314367 A CN201910314367 A CN 201910314367A CN 110001577 A CN110001577 A CN 110001577A
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- China
- Prior art keywords
- automobile
- normally opened
- opened contact
- switching device
- physical switching
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
- B60R25/1025—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner preventing jamming or interference of said signal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Selective Calling Equipment (AREA)
Abstract
The present invention provides a kind of physics for vehicle remote starting and disconnects guard method and device; 1) in hardware setting; one physical switching device is set, and the normally opened contact output it is connected in parallel on the normally opened contact both ends of automobile start button after connecting with the normally opened contact remotely started switch；2) physical switching device reads the enabling signal and speed signal of automobile by CAN bus or LIN bus mode in real time, judges whether automobile has entered driving status according to the enabling signal of automobile and speed signal；3) when judging that automobile has entered driving status, physical switching device disconnects the normally opened contact of its output, and auto Not Permitted carries out remotely starting or stoping operation；When judging that automobile does not enter driving status, physical switching device is closed the normally opened contact of its output, and automobile is allowed to carry out remotely starting or stoping operation.The malfunction that can prevent car one-key from remotely starting.
Description
Technical field
The present invention relates to automobile intelligent control technology field, in particular to a kind of physics for vehicle remote starting disconnects
Guard method and device.
Background technique
Currently, the long-range starting of automobile has been disclosed technology, applied on many automobiles.
The vehicle remote that the Chinese patent of 107856620 A of Publication No. CN discloses a kind of automobile key integrated is unlocked
And starting method and device；By automobile remote-control key circuit integration on remote unlocking and the control circuit board of starting；Control
The long-range enabling signal of board receiver controls the unlock of output automobile by MCU first or shuts switching signal, then successive output pin
Brake signal and one-key start signal；Service brake signal and one-key start signal by connecting line be connected to automobile one-key start switch and
On the connecting terminal of service brake switch, automobile starts engine after receiving service brake signal and one-key start signal.
This long-range Starting mode is that in parallel remotely start opens on the basis of the one-key start of original automobile and service brake switch
OFF signal and long-range service brake switching signal, this mode can be used in any type of truck remodeling, it is not necessary to modify original automobile
Control system, it is versatile.But following technical problem is had found in use:
Since the one-key start of automobile is: first time button is start command, and second of key is then to cease and desist order；Work as vapour
When vehicle has been in the state after starting, at this time if issuing long-range start command again, at this point, automobile can be considered as stopping life
Order is executed, and the entrance halted state of automobile mistake is made.
Summary of the invention
In order to overcome the shortcomings in the background art, the present invention provides a kind of physics disconnection protection for vehicle remote starting
Method and device, the malfunction that can prevent car one-key from remotely starting.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of physics disconnection guard method for vehicle remote starting, includes the following steps:
Step 1: in hardware setting, a physical switching device is set, the normally opened contact output it with remotely open
The normally opened contact both ends of automobile start button are connected in parallel on after the normally opened contact series connection of dynamic switch；Another normally opened contact and long-range foot
The normally opened contact both ends of automobile service brake switch are connected in parallel on after brake contact series；
Step 2: physical switching device reads the enabling signal and speed of automobile by CAN bus or LIN bus mode in real time
Signal and gear signal are spent, judges whether automobile has entered according to the enabling signal of automobile and speed signal and gear signal
Driving status；
Step 3: physical switching device disconnects the normally opened contact of its output when judging that automobile has entered driving status, prohibit
Only automobile is remotely operated, including start-up operation, is stopped operation and brake operation；When judging that automobile do not enter driving status
When, physical switching device is closed the normally opened contact of its output, and automobile is allowed to be remotely operated.
Further, the physical switching device is also serially connected in remote activating device by its normally opened contact exported
Between CAN bus port and the port automobile OBD, when judging that automobile enters driving status, remote activating device and automobile are disconnected
Between communication connection.
A kind of physics disconnection protective device for vehicle remote starting, including a physical switching device, the physics
Switching device includes main control MCU and the CAN bus transceiver and relay that are connected with its port, CAN bus transceiver and vapour
The connection of vehicle CAN bus port communication, the normally opened contact of relay are the normally opened contact that the physical switching device exports.It is described
Physical switching device output the first normally opened contact K1A connect with the normally opened contact K2A remotely started switch after be connected in parallel on vapour
The normally opened contact both ends of vehicle start button；The normally opened contact K3A of its second normally opened contact K1B exported and long-range service brake switch goes here and there
The normally opened contact both ends of automobile service brake switch are connected in parallel on after connection.The third normally opened contact K1C of the physical switching device is concatenated
Between the CAN bus port of remote activating device and car OBD interface.
Further, the physical switching device further includes the LIN bus transceiver being connected with main control MCU port,
LIN bus transceiver and automobile LIN bus port communication connection.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention reads the starting state information of automobile by CAN bus or LIN bus；Judge whether automobile is starting
State, 1) when automobile is the state having been started up, disconnected by the normally opened contact of main control MCU control relay, at this point, its with it is remote
It is off-state that journey, which starts switch normally opened contact and the series loop of long-range service brake normally opened contact, and automobile cannot receive the remote of automobile
Journey enabling signal；2) when automobile be halted state when, by main control MCU control relay normally opened contact be closed, at this point, its with it is remote
The on-off of the series loop of Cheng Kaiguan normally opened contact is determined that automobile can receive the long-range of automobile by the folding condition of remote switch
Starting and long-range service brake signal；The malfunction that can prevent car one-key from remotely starting；
2, the present invention makes automobile in the process of moving also by disconnecting the communication connection between remote activating device and automobile
It is not interfered by the communication of remote activating device, it is especially interference-free when CAN short-circuit condition and data are saturated, protect running car
Safety.
Detailed description of the invention
Fig. 1 is the circuit connection structure figure of output contact of the invention；
Fig. 2 is the integrated circuit structural block diagram of physical switching device of the invention；
Fig. 3 is main control MCU electric operation control circuit figure of the invention；
Fig. 4 is metal-oxide-semiconductor driving circuit figure of the invention；
Fig. 5 is relay circuit figure of the invention；
Fig. 6 is CAN bus transceiver circuit figure of the invention；
Fig. 7 is LIN bus transceiver circuit diagram of the invention.
Specific embodiment
Specific embodiment provided by the invention is described in detail below in conjunction with attached drawing.
A kind of physics disconnection guard method for vehicle remote starting, includes the following steps:
Step 1: in hardware setting, a physical switching device is set, the normally opened contact output it with remotely open
The normally opened contact both ends of automobile start button are connected in parallel on after the normally opened contact series connection of dynamic switch；Another normally opened contact and long-range foot
The normally opened contact both ends of automobile service brake switch are connected in parallel on after brake contact series；
Step 2: physical switching device reads the enabling signal and speed of automobile by CAN bus or LIN bus mode in real time
Signal and gear signal are spent, judges whether automobile has entered according to the enabling signal of automobile and speed signal and gear signal
Driving status；
Step 3: physical switching device disconnects the normally opened contact of its output when judging that automobile has entered driving status, prohibit
Only automobile is remotely operated, including start-up operation, is stopped operation and brake operation；When judging that automobile do not enter driving status
When, physical switching device is closed the normally opened contact of its output, and automobile is allowed to be remotely operated.
Further, the physical switching device is also serially connected in remote activating device by its normally opened contact exported
Between CAN bus port and the port automobile OBD, when judging that automobile enters driving status, remote activating device and automobile are disconnected
Between communication connection.
As shown in Figs. 1-2, a kind of physics of vehicle remote starting disconnects device, including physical switching device, the object
Reason switching device output normally opened contact K1A connect with the normally opened contact K2A remotely started switch after be connected in parallel on automobile starting by
The both ends normally opened contact SB1 of button.The final output contact of both ends after parallel connection as the start button of automobile, is connected to former automobile
On the connecting terminal of the start button of controller.
Its another normally opened contact K1B exported is connected in parallel on automobile after connecting with the normally opened contact K3A that long-range service brake switchs
The normally opened contact both ends of service brake switch JS1；The final output contact that both ends after parallel connection are switched as the service brake of automobile, is connected to
On the connecting terminal of the service brake switch of former automobile controller.
The CAN bus port of its remote activating device of third normally opened contact K1C exported series connection in the background technology
Between the port automobile OBD.
Contact K1A and K1B and K1C is exported by the device invented, and contact K2A and K3A are the output of remote activating device
The contact of one-key start switching signal and service brake switching signal is exported by remote activating device (see the citation in background technique
Part, K2A and K3A respectively correspond K1A and K1B in the attached drawing 10-11 of reference document in background technique).
As shown in Fig. 2, the physical switching device includes main control MCU and the CAN bus being connected with its port transmitting-receiving
Device and relay K1, CAN bus transceiver are connect with automobile CAN-bus port communication, the normally opened contact K1A of relay K1 and
K1B and K1C is the normally opened contact that the physical switching device exports.
Further, the physical switching device further includes the LIN bus transceiver being connected with main control MCU port,
LIN bus transceiver and automobile LIN bus port communication connection.
Further, metal-oxide-semiconductor driving circuit is also connected between the main control MCU and relay.
The operation principle of the present invention is that: the starting state information of automobile is read by CAN bus or LIN bus；1) work as vapour
When vehicle is the state for coming into traveling, disconnected by the normally opened contact K1A and K1B of main control MCU control relay K1, at this point, its
It is off-state with the series loop for remotely starting switch normally opened contact K2A, the series connection of long-range service brake switch normally opened contact K3A is returned
Road also disconnects, and automobile cannot receive the long-range enabling signal and service brake signal of automobile；2) when automobile is halted state, by master control
MCU control relay K1 normally opened contact K1A and K1B and K1C closure, at this point, its with remotely start switch normally opened contact K2A's
The on-off of series loop is determined that long-range service brake switchs the series loop of normally opened contact K3A by the folding condition remotely started switch
On-off determined by the folding condition that long-range service brake switchs, automobile can receive automobile it is long-range starting and long-range service brake signal；
The malfunction that can prevent car one-key from remotely starting.
Fig. 3-7 is the embodiment of the present invention circuit, and specific explanations are as follows:
As shown in figure 3, main control MCU is selected as STM32F103C8T6, the 32nd (CANRXD) numbers and 33 (CANTXD) number is drawn
Foot is the connection pin of CAN bus transceiver, corresponding with Fig. 6；12nd (LTXD) numbers, No. 13 (LRXD), 19 (SLP_N) number pins
It is corresponding with Fig. 7 for the connection pin of LIN bus transceiver；17th (OUT3) number pin is the connection pin of relay K1, is first connected
It is connected to the input terminal of the metal-oxide-semiconductor driving circuit of Fig. 4, then passes through the output end OUT33 of metal-oxide-semiconductor driving circuit and Fig. 5 relay
K1 coil, total output by the normally opened contact K1A and K1B and K1C of relay K1 as device.
The metal-oxide-semiconductor driving circuit of Fig. 4 is metal-oxide-semiconductor MEM2302；Fig. 5 is coil and its contact of miniature relay, Fig. 4-5
In pin designations be explained in the preceding paragraph.Fig. 6 is CAN bus transceiver VP230, and the connection with main control MCU is drawn
Foot is corresponding with Fig. 3, and CAN_H and CAN_L are the CAN interface pin with automobile.Fig. 7 is LIN bus transceiver TJA1021,
It is corresponding with Fig. 3 with the connection pin of main control MCU, and LIN is the LIN bus interface pin with automobile.
Above embodiments are implemented under the premise of the technical scheme of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to the above embodiments.Method therefor is such as without spy in above-described embodiment
Not mentionleting alone bright is conventional method.
Claims (5)
1. a kind of physics for vehicle remote starting disconnects guard method, which comprises the steps of:
Step 1: a physical switching device is arranged in hardware setting, the normally opened contact output it is opened with long-range starting
The normally opened contact both ends of automobile start button are connected in parallel on after the normally opened contact series connection of pass；Another normally opened contact and long-range service brake touch
The normally opened contact both ends of automobile service brake switch are connected in parallel on after point series connection；
Step 2: physical switching device reads the enabling signal and speed letter of automobile by CAN bus or LIN bus mode in real time
Number and gear signal, judge whether automobile has entered traveling according to the enabling signal of automobile and speed signal and gear signal
State；
Step 3: physical switching device disconnects the normally opened contact of its output when judging that automobile has entered driving status, forbid vapour
Vehicle is remotely operated, including start-up operation, is stopped operation and brake operation；When judging that automobile does not enter driving status, object
Reason switching device is closed the normally opened contact of its output, and automobile is allowed to be remotely operated.
2. a kind of physics for vehicle remote starting according to claim 1 disconnects guard method, which is characterized in that institute
The physical switching device stated also is serially connected in CAN bus port and the automobile of remote activating device by its normally opened contact exported
Between the port OBD, when judging that automobile enters driving status, the communication connection between remote activating device and automobile is disconnected.
3. a kind of disconnect protective device for realizing the physics for vehicle remote starting of claim 1, which is characterized in that packet
A physical switching device is included, the physical switching device includes main control MCU and the CAN bus transceiver being connected with its port
And relay, CAN bus transceiver are connect with automobile CAN-bus port communication, the normally opened contact of relay is the physics
The normally opened contact of switching device output；
After first normally opened contact K1A of the physical switching device output connects with the normally opened contact K2A remotely started switch
It is connected in parallel on the normally opened contact both ends of automobile start button；Its second normally opened contact K1B exported switchs normally opened with long-range service brake
The normally opened contact both ends of automobile service brake switch are connected in parallel on after contact K3A series connection.
4. a kind of physics for vehicle remote starting according to claim 3 disconnects protective device, which is characterized in that institute
The third normally opened contact K1C for the physical switching device stated is serially connected in CAN bus port and the car OBD interface of remote activating device
Between.
5. a kind of physics for vehicle remote starting according to claim 3 disconnects protective device, which is characterized in that institute
The physical switching device stated further includes the LIN bus transceiver being connected with main control MCU port, LIN bus transceiver and automobile
LIN bus port communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314367.3A CN110001577B (en) | 2019-04-18 | 2019-04-18 | Physical disconnection protection method and device for remote starting of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314367.3A CN110001577B (en) | 2019-04-18 | 2019-04-18 | Physical disconnection protection method and device for remote starting of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110001577A true CN110001577A (en) | 2019-07-12 |
| CN110001577B CN110001577B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314367.3A Active CN110001577B (en) | 2019-04-18 | 2019-04-18 | Physical disconnection protection method and device for remote starting of automobile |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396388B1 (en) * | 1999-05-26 | 2002-05-28 | Dawei Dong | Remote starting device for cars |
| US20050246070A1 (en) * | 2004-04-22 | 2005-11-03 | Fujitsu Ten Limited | Vehicle remote starting apparatus and method for executing registration process |
| CN108501865A (en) * | 2018-04-12 | 2018-09-07 | 东莞市二郎神电子有限公司 | Remote engine starting of vehicle system with one-key start and its remote start-up method |
| CN109641569A (en) * | 2016-12-22 | 2019-04-16 | 全球移动服务株式会社 | Vehicle remote control apparatus |
-
2019
- 2019-04-18 CN CN201910314367.3A patent/CN110001577B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396388B1 (en) * | 1999-05-26 | 2002-05-28 | Dawei Dong | Remote starting device for cars |
| US20050246070A1 (en) * | 2004-04-22 | 2005-11-03 | Fujitsu Ten Limited | Vehicle remote starting apparatus and method for executing registration process |
| CN109641569A (en) * | 2016-12-22 | 2019-04-16 | 全球移动服务株式会社 | Vehicle remote control apparatus |
| CN108501865A (en) * | 2018-04-12 | 2018-09-07 | 东莞市二郎神电子有限公司 | Remote engine starting of vehicle system with one-key start and its remote start-up method |
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| Publication number | Publication date |
|---|---|
| CN110001577B (en) | 2023-06-02 |
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