CN109849846B - Vehicle anti-theft system - Google Patents
Vehicle anti-theft system Download PDFInfo
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- CN109849846B CN109849846B CN201910161128.9A CN201910161128A CN109849846B CN 109849846 B CN109849846 B CN 109849846B CN 201910161128 A CN201910161128 A CN 201910161128A CN 109849846 B CN109849846 B CN 109849846B
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Abstract
The invention discloses a vehicle anti-theft system, which comprises a wireless unlocking module, an identity recognition module, an anti-theft authentication module, a power supply control module, a detection module and an EPB module, wherein the wireless unlocking module is used for unlocking a vehicle; the identity recognition module is used for carrying out identity recognition with the wireless unlocking module, the anti-theft authentication module is used for carrying out anti-theft authentication with the EPB module when a legal user is recognized, and the power supply control module is used for switching the power supply mode of the whole vehicle when the anti-theft authentication is passed; the detection module is used for detecting user operation received by the EPB switch; the EPB module is used for responding to the detected user operation to release the braking of the wheels under the state that the power mode of the whole vehicle is ON and the anti-theft authentication of the EPB module passes. Meanwhile, the invention also discloses a vehicle anti-theft system. The invention can ensure that MT and AT vehicle types provided with the EPB system can realize theft prevention by locking the EPB, and saves theft prevention devices such as an electronic steering lock and the like.
Description
Technical Field
The invention relates to the technical field of vehicle safety, in particular to a vehicle anti-theft system.
Background
The EPB (Electrical Park Brake) is a technology that integrates temporary braking during driving and long-term braking after parking, and realizes parking braking in an electronic control manner, which can provide better help for driver driving operation, and more vehicles are equipped with the EPB system. However, EPB systems are not commonly used for vehicle theft protection.
Vehicle theft prevention is an important aspect in the field of vehicle safety, and vehicle theft prevention is realized by a vehicle theft prevention system in the prior art through locking a steering column, a gear shifter, a TCU and the like. For example, in a vehicle type equipped with a PEPS (Passive Entry Passive Start) function, vehicle theft prevention of an MT (Manual Transmission) vehicle type realizes an antitheft function by locking a steering column with an electronic steering lock, and vehicle theft prevention of an AT vehicle type realizes an antitheft function by locking a TCU (Transmission Control Unit) or a shifter.
Disclosure of Invention
In order to solve the technical problems, the invention provides a vehicle anti-theft system on one hand, which comprises a wireless unlocking module, an identity recognition module, an anti-theft authentication module, a power supply control module, a detection module and an EPB module;
the wireless unlocking module is used for sending an unlocking request to the identity recognition module;
the identity recognition module is used for carrying out identity recognition with the wireless unlocking module when receiving the unlocking request so as to confirm the validity of the user identity;
the anti-theft authentication module is used for carrying out anti-theft authentication with the EPB module through the CAN bus when a legal user is identified;
the power control module is used for switching the power mode of the whole vehicle to ACC or ON when the anti-theft authentication is passed;
the detection module is used for detecting user operation received by the EPB switch;
and the EPB module is used for responding to the detected user operation to release the braking of the wheels when the power mode of the whole vehicle is ON and the anti-theft authentication of the EPB module passes.
Further, the system further comprises a low frequency antenna;
the wireless unlocking module comprises a remote control key, and the remote control key comprises a radio frequency signal transmitting module and a low-frequency signal receiving module;
the identity identification module comprises a radio frequency signal receiving module and a low frequency signal transmitting module; the low-frequency signal transmitting module is communicated with the low-frequency signal receiving module through the low-frequency antenna.
Further, the system also comprises a remote report background and a wireless communication module;
the remote report background is used for receiving the unlocking request sent by the wireless unlocking module; the wireless unlocking module comprises an intelligent mobile terminal;
the remote report background is in communication connection with the wireless communication module, and the wireless communication module is connected with the identity recognition module through a CAN bus.
Further, the power control module is further configured to keep the power mode OFF and not switch the power mode when the anti-theft authentication fails.
Further, the EPB module is further configured to brake the wheels in response to the detected user operation when the power mode of the entire vehicle is OFF, or brake the wheels by itself.
The invention provides a vehicle anti-theft system, which comprises a wireless unlocking module, an identity recognition module, an anti-theft authentication module, a power control module, a detection module and an EPB module;
the wireless unlocking module is used for sending an unlocking request to the identity recognition module;
the identity recognition module is used for carrying out identity recognition with the wireless unlocking module when receiving the unlocking request so as to confirm the validity of the user identity;
the power control module is used for switching the power mode of the whole vehicle to ACC or ON when a legal user is identified;
the anti-theft authentication module is used for carrying out anti-theft authentication with the EPB module through the CAN bus when the power mode of the whole vehicle is switched to ACC or ON;
the detection module is used for detecting user operation received by the EPB switch;
and the EPB module is used for responding to the detected user operation to release the braking of the wheels when the power mode of the whole vehicle is ON and the anti-theft authentication of the EPB module passes.
Further, the system further comprises a low frequency antenna;
the wireless unlocking module comprises a remote control key, and the remote control key comprises a radio frequency signal transmitting module and a low-frequency signal receiving module;
the identity identification module comprises a radio frequency signal receiving module and a low frequency signal transmitting module; the low-frequency signal transmitting module is communicated with the low-frequency signal receiving module through the low-frequency antenna.
Further, the system also comprises a remote report background and a wireless communication module;
the remote report background is used for receiving the unlocking request sent by the wireless unlocking module; the wireless unlocking module comprises an intelligent mobile terminal;
the remote report background is in communication connection with the wireless communication module, and the wireless communication module is connected with the identity recognition module through a CAN bus.
Further, the power control module is further configured to keep the power mode OFF and not switch the power mode when the anti-theft authentication fails.
Further, the EPB module is further configured to brake the wheels in response to the detected user operation when the power mode of the entire vehicle is OFF, or brake the wheels by itself.
The implementation of the invention has the following beneficial effects: the invention has an anti-theft authentication module which carries out anti-theft authentication with an EPB module through a CAN bus; after the anti-theft authentication is passed, the power supply of the whole vehicle can be switched, and the EPB system can release the Brake to the wheels only after the anti-theft approval is passed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram showing the construction of a vehicle theft prevention system according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram showing a configuration of a vehicle theft prevention system according to embodiment 1 of the present invention;
fig. 3 is another schematic composition diagram of a vehicle theft prevention system provided in embodiment 1 of the present invention;
fig. 4 is a schematic diagram showing another configuration of the vehicle theft prevention system according to embodiment 1 of the present invention;
fig. 5 is a block diagram showing a vehicle theft prevention system according to embodiment 2 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
Fig. 1 is a block diagram of a vehicle anti-theft system according to embodiment 1 of the present invention, and referring to fig. 1, the vehicle anti-theft system disclosed in this embodiment includes a wireless unlocking module 101, an identity recognition module 102, an anti-theft authentication module 103, a power control module 104, a detection module 105, and an EPB module 106;
the wireless unlocking module 101 is configured to send an unlocking request to the identity recognition module 102;
the identity recognition module 102 is configured to perform one-way or two-way identity recognition with the wireless unlocking module 101 when receiving the unlocking request, so as to confirm the validity of the user identity;
the anti-theft authentication module 103 is used for performing anti-theft authentication with the EPB module 106 through the CAN bus when a legal user is identified;
the power control module 104 is used for switching the power mode of the whole vehicle to ACC or ON when the anti-theft authentication is passed;
a detection module 105, configured to detect a user operation received by the EPB switch;
and the EPB module 106 is used for responding to the detected user operation to release the braking of the wheels under the state that the whole vehicle power supply mode is ON and the anti-theft authentication of the EPB module 106 is passed. It should be noted that, after the vehicle anti-theft system adds the anti-theft function, the original function of the EPB module 106 is not affected after the authentication is passed.
Specifically, the wheels include one or more of a front left wheel, a front right wheel, a rear left wheel, and a rear right wheel, for example, the EPB module 106 simultaneously releases the clamping force on the rear left wheel and the rear right wheel to return the vehicle to a driving state; alternatively, the EPB module 106 releases the clamping force to all wheels simultaneously, allowing the vehicle to resume a driving condition.
Specifically, when the identity recognition module 102 and the anti-theft authentication module 103 perform one-way identity recognition, the anti-theft authentication module 103 performs anti-theft authentication with the EPB module 106 through the CAN bus when the wireless unlocking module 101 is recognized as a legitimate user.
Specifically, when the identity recognition module 102 and the anti-theft authentication module 103 perform bidirectional identity recognition, the anti-theft authentication module 103 performs anti-theft authentication with the EPB module 106 through the CAN bus when the wireless unlocking module 101 is recognized as a legal user by the identity recognition module 102, and the identity recognition module 102 is recognized as a legal user by the anti-theft authentication module 103.
Note that the EPB module 106 allows the user to release the brake of the wheels by the EPB switch after the antitheft authentication with the antitheft authentication module 103 is passed, and the EPB module 106 must not enter the antitheft mode during the power mode is not OFF after the antitheft authentication is passed.
Fig. 2 is a schematic diagram of a vehicle anti-theft system according to embodiment 1 of the present invention, please refer to fig. 2, wherein optionally, the system further includes a low frequency antenna;
the wireless unlocking module 101 comprises a remote control key, and the remote control key comprises a radio frequency signal transmitting module and a low frequency signal receiving module;
the identity recognition module 102 comprises a radio frequency signal receiving module and a low frequency signal transmitting module; the low-frequency signal transmitting module is communicated with the low-frequency signal receiving module through the low-frequency antenna.
Fig. 3 is another schematic composition diagram of the vehicle anti-theft system according to embodiment 1 of the present invention, please refer to fig. 3, and optionally, the system further includes a remote report back-office and a wireless communication module;
the remote report background is used for receiving an unlocking request sent by the wireless unlocking module 101; the wireless unlocking module 101 comprises an intelligent mobile terminal;
the remote report background is in communication connection with the wireless communication module, and the wireless communication module is connected with the identity recognition module 102 through a CAN bus. Optionally, the wireless communication module is one or more of a bluetooth module, a 4G module, a 3G module, and a WIFI module.
Specifically, the intelligent mobile terminal may be a smart phone, a personal digital assistant PDA, a tablet computer, an intelligent wearable device, and the like, which is not limited in this embodiment.
Fig. 4 is a schematic diagram of another composition of the vehicle anti-theft system provided in embodiment 1 of the present invention, and referring to fig. 4, preferably, the wireless unlocking module 101 supports both the key fob and the smart terminal, and a user can unlock through the key fob and also through the smart terminal.
Specifically, the power control module 104 is further configured to keep the power mode OFF and not perform power mode switching when the anti-theft authentication fails.
Preferably, the EPB module 106 is further configured to brake the wheels in response to the detected user operation or to brake the wheels by itself when the entire vehicle power mode is OFF. That is, when the power mode is OFF, the EPB module 106 enters the immobilizer mode after the user operates the EPB switch to perform braking or the EPB module 106 performs self-braking.
And (4) pressing the starting switch by the user, and if the authentication is unsuccessful, not switching the power supply mode. After the vehicle power mode starts to exit the power mode OFF and the EPB anti-theft authentication is passed, a user can operate the EPB switch to brake or release the wheels, so that the anti-theft function is realized.
According to the vehicle anti-theft system disclosed by the embodiment, when a user operates a vehicle through a key or a mobile phone, the controller CAN firstly perform identity recognition with the key and the mobile phone, when the user is identified as a legal user, the controller performs authentication with the EPB through the CAN bus, and when the authentication is passed, the power supply of the whole vehicle CAN be cut to the ACC or ON. When the power supply is ON and the EPB passes the anti-theft authentication, the user operates the EPB switch to enable the EPB system to release the brake of the wheels, so that the anti-theft function is realized without increasing the cost.
Example 2
Fig. 5 is a structural block diagram of a vehicle anti-theft system according to embodiment 2 of the present invention, referring to fig. 5, the vehicle anti-theft system disclosed in this embodiment includes a wireless unlocking module 201, an identity recognition module 202, an anti-theft authentication module 203, a power control module 204, a detection module 205, and an EPB module 206;
the wireless unlocking module 201 is configured to send an unlocking request to the identity recognition module 202;
the identity recognition module 202 is configured to perform identity recognition with the wireless unlocking module 201 when receiving the unlocking request, so as to confirm the validity of the user identity;
the power control module 204 is used for switching the power mode of the whole vehicle to ACC or ON when a legal user is identified;
the anti-theft authentication module 203 is used for performing anti-theft authentication with the EPB module 206 through the CAN bus when the power mode of the whole vehicle is switched to ACC or ON (namely, the power mode is controlled to exit OFF); after the authentication is passed, the controller controls the power supply mode switching of the whole vehicle; if the authentication is not passed, the power mode is not allowed to exit.
A detection module 205, configured to detect a user operation received by the EPB switch;
and an EPB module 206 for releasing braking of the wheels in response to the detected user operation in a state where the entire vehicle power mode is ON and the antitheft authentication of the EPB module 206 is passed.
Specifically, the wheels include one or more of a front left wheel, a front right wheel, a rear left wheel, and a rear right wheel, and for example, the EPB simultaneously releases the clamping force to the rear left wheel and the rear right wheel to return the vehicle to a running state; or, the EPB simultaneously releases the clamping force on all wheels, so that the vehicle is recovered to the running state.
Specifically, when the identity recognition module 102 and the anti-theft authentication module 103 perform one-way identity recognition, the anti-theft authentication module 103 performs anti-theft authentication with the EPB module 106 through the CAN bus when the wireless unlocking module 101 is recognized as a legitimate user.
Specifically, when the identity recognition module 102 and the anti-theft authentication module 103 perform bidirectional identity recognition, the anti-theft authentication module 103 performs anti-theft authentication with the EPB module 106 through the CAN bus when the wireless unlocking module 101 is recognized as a legal user by the identity recognition module 102, and the identity recognition module 102 is recognized as a legal user by the anti-theft authentication module 103.
With continued reference to fig. 2, optionally, the system further includes a low frequency antenna;
the wireless unlocking module 201 comprises a remote control key, and the remote control key comprises a radio frequency signal transmitting module and a low frequency signal receiving module;
the identity recognition module 202 comprises a radio frequency signal receiving module and a low frequency signal transmitting module; the low-frequency signal transmitting module is communicated with the low-frequency signal receiving module through the low-frequency antenna.
With continued reference to fig. 3, optionally, the system further includes a remote messaging background and a wireless communication module;
the remote report background is used for receiving an unlocking request sent by the wireless unlocking module 201; the wireless unlocking module 201 comprises an intelligent mobile terminal;
the remote report background is in communication connection with the wireless communication module, and the wireless communication module is connected with the identity recognition module 202 through a CAN bus. Optionally, the wireless communication module is one or more of a bluetooth module, a 4G module, a 3G module, and a WIFI module.
Referring to fig. 4, preferably, the wireless unlocking module 101 supports both a remote key and a smart terminal, and a user can unlock the mobile phone by using the remote key and the smart terminal.
Specifically, the power control module 204 is further configured to keep the power mode OFF and not perform power mode switching when the anti-theft authentication fails.
Preferably, the EPB module 206 is further configured to brake the wheels in response to the detected user operation or to brake the wheels by itself when the entire vehicle power mode is OFF.
In this embodiment, when the power mode of the entire vehicle is switched to ACC or ON, the anti-theft authentication module needs to perform anti-theft authentication with the EPB module 206 through the CAN bus.
The vehicle anti-theft system disclosed in the embodiment enables MT and AT vehicle types equipped with an EPB system to realize anti-theft through locking an EPB (electric Park Brake), thereby not only meeting the requirements of users on the vehicle anti-theft function, but also saving an electronic steering lock, saving the cost and reducing the safety requirements of the whole vehicle function.
Example 3
The present embodiment discloses a vehicle having the vehicle theft prevention system described in embodiments 1 and 2 above.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A vehicle anti-theft system comprises a wireless unlocking module and an identity recognition module;
the wireless unlocking module is used for sending an unlocking request to the identity recognition module;
the identity recognition module is used for carrying out identity recognition with the wireless unlocking module when receiving the unlocking request so as to confirm the validity of the user identity;
the anti-theft device is characterized by also comprising an anti-theft authentication module, a power supply control module, a detection module and an EPB module;
the anti-theft authentication module is used for carrying out anti-theft authentication with the EPB module through the CAN bus when a legal user is identified;
the power control module is used for switching the power mode of the whole vehicle to ACC or ON when the anti-theft authentication is passed;
the detection module is used for detecting user operation received by the EPB switch;
and the EPB module is used for responding to the detected user operation to release the braking of the wheels when the power mode of the whole vehicle is ON and the anti-theft authentication of the EPB module passes.
2. The system of claim 1, further comprising a low frequency antenna;
the wireless unlocking module comprises a remote control key, and the remote control key comprises a radio frequency signal transmitting module and a low-frequency signal receiving module;
the identity identification module comprises a radio frequency signal receiving module and a low frequency signal transmitting module; the low-frequency signal transmitting module is communicated with the low-frequency signal receiving module through the low-frequency antenna.
3. The system of claim 1, further comprising a remote messaging back-end and a wireless communication module;
the remote report background is used for receiving the unlocking request sent by the wireless unlocking module;
the wireless unlocking module comprises an intelligent mobile terminal;
the remote report background is in communication connection with the wireless communication module, and the wireless communication module is connected with the identity recognition module through a CAN bus.
4. The system of claim 1, wherein the power control module is further configured to keep the power mode OFF and not switch the power mode when the anti-theft authentication fails.
5. The system of claim 4, wherein the EPB module is further configured to brake the wheels in response to the detected user operation or to brake the wheels on its own while the entire vehicle power mode is OFF.
6. A vehicle anti-theft system comprises a wireless unlocking module and an identity recognition module;
the wireless unlocking module is used for sending an unlocking request to the identity recognition module;
the identity recognition module is used for carrying out identity recognition with the wireless unlocking module when receiving the unlocking request so as to confirm the validity of the user identity;
the anti-theft device is characterized by also comprising an anti-theft authentication module, a power supply control module, a detection module and an EPB module;
the power control module is used for switching the power mode of the whole vehicle to ACC or ON when a legal user is identified;
the anti-theft authentication module is used for carrying out anti-theft authentication with the EPB module through the CAN bus when the power mode of the whole vehicle is switched to ACC or ON;
the detection module is used for detecting user operation received by the EPB switch;
and the EPB module is used for responding to the detected user operation to release the braking of the wheels when the power mode of the whole vehicle is ON and the anti-theft authentication of the EPB module passes.
7. The system of claim 6, further comprising a low frequency antenna;
the wireless unlocking module comprises a remote control key, and the remote control key comprises a radio frequency signal transmitting module and a low-frequency signal receiving module;
the identity identification module comprises a radio frequency signal receiving module and a low frequency signal transmitting module; the low-frequency signal transmitting module is communicated with the low-frequency signal receiving module through the low-frequency antenna.
8. The system of claim 6, further comprising a remote messaging back-end and a wireless communication module;
the remote report background is used for receiving the unlocking request sent by the wireless unlocking module;
the wireless unlocking module comprises an intelligent mobile terminal;
the remote report background is in communication connection with the wireless communication module, and the wireless communication module is connected with the identity recognition module through a CAN bus.
9. The system of claim 6, wherein the power control module is further configured to keep the power mode OFF and not switch the power mode when the anti-theft authentication fails.
10. The system of claim 9, wherein the EPB module is further configured to brake the wheels in response to the detected user operation or to brake the wheels on its own while the vehicle power mode is OFF.
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| CN201910161128.9A CN109849846B (en) | 2019-03-04 | 2019-03-04 | Vehicle anti-theft system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112277877A (en) * | 2020-10-30 | 2021-01-29 | 东风汽车集团有限公司 | Vehicle anti-theft method based on P-gear locking and storage medium |
| CN115027409B (en) * | 2021-08-06 | 2024-04-16 | 长城汽车股份有限公司 | Vehicle starting control method, keyless intelligent system and electronic equipment |
| CN113942598B (en) * | 2021-10-12 | 2022-11-15 | 小鸟车业有限公司 | Electric bicycle burglar alarm |
| CN117048551A (en) * | 2022-05-06 | 2023-11-14 | 芜湖伯特利汽车安全系统股份有限公司 | EPB-based vehicle anti-theft control method |
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