CN105270323B - Electronic chip anti-theft control system and its theft preventing method applied to pure electric sedan - Google Patents
Electronic chip anti-theft control system and its theft preventing method applied to pure electric sedan Download PDFInfo
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- CN105270323B CN105270323B CN201410298702.2A CN201410298702A CN105270323B CN 105270323 B CN105270323 B CN 105270323B CN 201410298702 A CN201410298702 A CN 201410298702A CN 105270323 B CN105270323 B CN 105270323B
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Abstract
The invention discloses a kind of electronic chip anti-theft control system and theft preventing method applied to pure electric sedan, which includes the first data terminal of entire car controller and being connected for the data terminal of electronic chip anti-theft controller；Electronic chip anti-theft controller is built-in with the code that the firing key of transponder is sent out for receiving；Second data terminal of entire car controller is connected with the data terminal of car body controller；Entire car controller is used to receive the code of electronic chip anti-theft controller transmission and code progress key-encryption algorithm is obtained code secret key, and whether car body controller is used to receiving code secret key consistent with the code secret key verification of car body controller storage and send a signal to entire car controller to control the break-make of battery.The present invention increases electronic chip anti-theft control system and algorithm to improve the safety of vehicle and improve the common rate of part, and electric vehicle firing key internal repeater and orthodox car firing key internal repeater are common, can effectively reduce purchase cost.
Description
Technical field
The present invention relates to a kind of anti-theft system of electromotor car and its method, more particularly to a kind of applied to pure electric sedan
Electronic chip anti-theft control system and its theft preventing method.
Background technology
On orthodox car, electronic chip anti-theft control system can stop automobile engine work, so as to prevent automobile quilt
It steals.Electronic chip anti-theft control system is mainly by being formed engine control module (ECM) with lower component, being built-in with coil antenna
Electronic chip anti-theft signal acquisition module (ICM), the firing key for being built-in with transponder when carrying out pure electric sedan exploitation, are cancelled
ECM, it is impossible to carry out antitheft certification.
In existing vehicle technology field, Patent No. 200910154954.7.A kind of entitled " having electronic registration code
Electric vehicle anti-theft controller " patent in disclose following technology：The hardware components of controller for electric vehicle are basically unchanged, but
The verification process of electronic register code is increased in control software, electric control lock will be in cipher key with touch type input mode when opening
Electronic register code be automatically entered into controller for electric vehicle, controller is by the electronic cipher of input and will be stored in controller
Numerical ciphers in chip are compared, and can start electric vehicle when consistent, cannot start electric vehicle when inconsistent.The technical side
The electric vehicle anti-theft controller of case is at low cost, function is strong, anti-interference good.But its algorithm is simple, and only in a controller
Electronic register code is had authenticated, algorithm is easily cracked.
And the control system in the present invention is to have authenticated key-encryption algorithm and key-encryption algorithm result respectively in two controllers
(code secret key), when ignition switch, which is got to ON, (opens) position, entire car controller (HCU) is read by coil antenna should
Code is converted into code secret key by key-encryption algorithm, and the code secret key is sent to car body controller (BCM) by CAN bus
Place, the result with being registered in BCM are compared.If code secret key and the result that BCM is registered are inconsistent, BCM is total using CAN
Line transmission is forbidden at high pressure power up commands to HCU, meanwhile, open the antitheft indicator light of electronic chip.Anti-theft security performance is more preferably.
Invention content
The present invention is directed at least solve technical problem in the prior art, especially innovatively propose one kind and be applied to
The electronic chip anti-theft control system and its theft preventing method of pure electric sedan.
In order to realize the above-mentioned purpose of the present invention, the present invention provides a kind of electronic chips applied to pure electric sedan to prevent
Control system is stolen, including electronic chip anti-theft controller, entire car controller and car body controller；The first of the entire car controller
Data terminal is connected with the data terminal of the electronic chip anti-theft controller；The electronic chip anti-theft controller is interior for receiving
It is equipped with the code that the firing key of transponder is sent out；Second data terminal of the entire car controller and the car body controller
Data terminal be connected；The entire car controller is used to receive the code that the electronic chip anti-theft controller is sent and will compile
Code code carries out key-encryption algorithm and obtains code secret key, and the car body controller is used to receive code secret key and the car body controller
Whether the code secret key verification of storage is consistent and sends a signal to the entire car controller to control the break-make of battery.
When electronic chip anti-theft controller receives the code in firing key transponder and sends code
To entire car controller, entire car controller obtains code secret key by key-encryption algorithm, then code secret key is sent to and stores code
The car body controller of secret key is compared, if unanimously, car body controller sends high pressure power up commands to entire car controller, vehicle
Controller controls battery to be connected accordingly；Otherwise, it disconnects.Pass through the code secret key that key-encryption algorithm obtains and the code of storage in this way
Secret key is more safe and reliable respectively on two processors.
In the present embodiment, power battery is further included, the entire car controller is by receiving the car body controller
Signal controls the break-make of power battery；The power battery includes the first battery pack and connect with first battery pack two
A relay, described two relays are respectively the second relay and third relay；Second relay and third relay
One end of the input circuit of device is connected respectively with the first power supply, the input circuit of second relay and third relay it is another
Control output end of the one end respectively with the entire car controller is connected, one end of the output loop of second relay with it is described
The anode of first battery pack is connected, and the other end is exported as power battery anode, and the one of the output loop of the third relay
End is connected with the cathode of first battery pack, and the other end is exported as power battery cathode.
Two relays more securely achieve the break-make effect of power battery.
In the present embodiment, further include the first relay, one end of the input circuit of first relay with it is described
First power supply is connected, the other end of the input circuit of first relay and the control output end phase of the entire car controller
Even, one end of the output loop of first relay with power supply is connected, the output loop of first relay it is another
End is connected with the other end of second relay and the input circuit of third relay.
Three relays play the role of double insurance.
In the present embodiment, combination instrument is further included, the combination instrument includes combination instrument processing chip, electronics core
The antitheft indicator light of piece and triode；The data input pin of the combination instrument processing chip and the second data of entire car controller are defeated
Outlet is connected；The combination instrument processing chip is used to receive the signal of car body controller and entire car controller and passes through display
Show corresponding information；The collector of the triode is connected with the cathode of the antitheft indicator light of electronic chip, the electronic chip
The anode of antitheft indicator light is connected with second source, and the emitter of the triode with power supply is connected, the base of the triode
Pole is connected with the control output end of combination instrument processing chip, when the code that car body controller receives code secret key with it is stored is close
When spoon checked result is inconsistent, car body controller sends control signal, combination instrument processing chip to combination instrument processing chip
Light the antitheft indicator light of electronic chip.
Electronic anti-theft indicator light plays the role of caution anti-theft.
In the present embodiment, the second battery pack, electronic anti-theft chip and ignition switch, the ignition switch string are further included
It is connected between the second battery anode and the power end of electronic chip.
Extend the usage time of electronic chip anti-theft controller.
In the present embodiment, at least one fuse is further included, the fuse is connected in the second battery pack, electronics is prevented
In the series loop for stealing chip and ignition switch formation.
Fuse prevents high current by circuit, so as to protective loop safety.
The present invention provides a kind of theft preventing method of the electronic chip anti-theft control system applied to pure electric sedan, electronics
Chip theftproof controller, entire car controller and car body controller judge that flow includes the following steps：
Step 1, ignition switch are closed, and electronic chip anti-theft controller works on power, and electronic chip anti-theft controller uses
Radio Frequency Identification Technology reads the code in the transponder in key by the dispatch coil on ignition lock；
Code is sent to entire car controller, vehicle by step 2, electronic chip anti-theft controller by serial line interface
Code is converted to code secret key by controller by key-encryption algorithm；
Step 3, car body controller receives the code secret key on entire car controller by CAN bus, with being registered in vehicle body control
Code secret key in device processed is compared；If code secret key is consistent with the code secret key that car body controller is registered, vehicle body control
Device processed sends high pressure power up commands to entire car controller by CAN bus, current supply circuit is closed, if code secret key and vehicle body control
The code secret key of device registration processed is inconsistent, and car body controller forbids high pressure power up commands to full-vehicle control by CAN bus transmission
Device disconnects current supply circuit.
In the present embodiment, whether correct step 2 further includes entire car controller detection code form；If just
Really, entire car controller sends high pressure power up commands, is closed current supply circuit；If incorrect, entire car controller is forbidden in high pressure
Electricity order, disconnects current supply circuit.
In the present embodiment, whether correct step 3 further includes car body controller detection code secret key form；If just
Really, entire car controller is closed current supply circuit by receiving the high pressure power up commands of car body controller；If incorrect, vehicle
Controller forbids high pressure power up commands by receive car body controller, disconnects current supply circuit.
To sum up, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：Increase electronic chip security system
System and algorithm control the safety of vehicle anti-theft and improve the common rate of part (electric vehicle ICM is total to orthodox car ICM
Logical, electric vehicle firing key internal repeater and orthodox car firing key internal repeater are common), can effectively reduce buying into
This.
Description of the drawings
Fig. 1 is the system block diagram of the present invention.
Fig. 2 is the circuit diagram of the present invention.
Fig. 3 is the flow chart of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of the description present invention and simplifies description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit of the invention
System.
In the description of the present invention, unless otherwise prescribed and limit, it should be noted that term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be the connection inside mechanical connection or electrical connection or two elements, it can
To be to be connected directly, can also be indirectly connected by intermediary, it for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
As shown in Figure 1, the present invention provides a kind of electronic chip anti-theft control system applied to pure electric sedan, packet
Include electronic chip anti-theft controller, entire car controller and car body controller.Wherein, the first data terminal and electronics of entire car controller
The data terminal of chip theftproof controller is connected；Electronic chip anti-theft controller is built-in with the firing key of transponder for receiving
The code sent out；Second data terminal of entire car controller is connected with the data terminal of car body controller；Entire car controller is used for
It receives the code that electronic chip anti-theft controller is sent and code progress key-encryption algorithm is obtained into code secret key, vehicle body
Whether the code secret key verification that controller is used to receiving the storage of code secret key and car body controller is consistent and send a signal to vehicle
Controller controls the break-make of battery.In the present embodiment, car body controller is connect with entire car controller by CAN bus,
When building CAN bus connection, it is only necessary to a CAN transceiver is connected on respective input port, selected transceiver is
CTM1050 is not limited to the transceiver of this model；Entire car controller and car body controller can select included photoelectric coupling
P87C591 or CTM58251AT.
In the present embodiment, power battery is further included, entire car controller is controlled by receiving the signal of car body controller
The break-make of brake force battery；Power battery includes the first battery pack and two relays being connect with the first battery pack, two after
Electric appliance is respectively the second relay and third relay；One end of the input circuit of second relay and third relay respectively with
First power supply is connected, and the other end of the input circuit of the second relay and third relay is defeated with the control of entire car controller respectively
Outlet is connected, and one end of the output loop of the second relay is connected with the anode of the first battery pack, and the other end is as power battery
Anode exports, and one end of the output loop of third relay is connected with the cathode of the first battery pack, and the other end is as power battery
Cathode exports.
In the more preferred embodiment of the present invention, the first relay is further included, the input circuit of the first relay
One end is connected with the first power supply, and the other end of the input circuit of the first relay is earth-free, but with the control of entire car controller
Output terminal is connected, and one end of the output loop of the first relay with power supply is connected, the output loop of the first relay it is another
End is connected with the other end of the second relay and the input circuit of third relay.In the present embodiment, the second relay and
For third relay package in power battery, installation enhanced convenience is quick.In the present embodiment, power battery uses
The high-voltage electricity of 380V.
In the present embodiment, combination instrument is further included, combination instrument includes combination instrument processing chip, electronic chip is prevented
Steal indicator light and triode.Wherein, the second data of the data input pin of combination instrument processing chip and entire car controller export
End is connected；Combination instrument processing chip is used to receive the signal of car body controller and entire car controller and pass through display to show phase
The information answered.The collector of triode is connected with the cathode of the antitheft indicator light of electronic chip, and the antitheft indicator light of electronic chip is just
Pole is connected with second source, and the emitter of triode with power supply is connected, base stage and the combination instrument processing chip of triode
Control output end is connected, when the code secret key checked result that car body controller receives code secret key with it is stored is inconsistent, vehicle
Body controller sends control signal to combination instrument processing chip, and combination instrument processing chip lights the antitheft instruction of electronic chip
Lamp.
In the present embodiment, the antitheft indicator light of electronic chip selects diode.In the present embodiment, combination instrument is shown
The parameter shown has speed, power battery remaining capacity and rotating speed etc..
In the present embodiment, the triode used is NPN triode, in the other preferred embodiment of the present invention,
It can also use other that can realize the component of identical function, specific connection mode can be general according to those skilled in the art
Connection mode connection.
It should be noted that in the present embodiment, electronic chip anti-theft controller, entire car controller and instrument processing core
Piece passes through CAN drivers and CAN connections.
In the present embodiment, the second battery pack, electronic anti-theft chip and ignition switch are further included.Ignition switch is connected in
Between second battery anode and the power end of electronic chip.In the more preferred embodiment of the present invention, further include at least
One fuse, all fuses are connected in the series connection that the second battery pack, electronic anti-theft chip and ignition switch are formed and return
On the road.
As shown in figure 3, the present invention provides a kind of the anti-of electronic chip anti-theft control system applied to pure electric sedan
Robber's method, electronic chip anti-theft controller, entire car controller and car body controller judge that flow includes the following steps：
Step 1, ignition switch are closed, and electronic chip anti-theft controller works on power, and electronic chip anti-theft controller uses
Radio Frequency Identification Technology reads the code in the transponder in key by the dispatch coil on ignition lock；
Code is sent to entire car controller, vehicle by step 2, electronic chip anti-theft controller by serial line interface
Code is converted to code secret key by controller by key-encryption algorithm；
Step 3, car body controller receives the code secret key on entire car controller by CAN bus, with being registered in vehicle body control
Code secret key in device processed is compared；If code secret key is consistent with the code secret key that car body controller is registered, vehicle body control
Device processed sends high pressure power up commands to entire car controller by CAN bus, battery is closed, if code secret key and car body controller
The code secret key of registration is inconsistent, and car body controller forbids high pressure power up commands to break to entire car controller by CAN bus transmission
Open battery.
In the present embodiment, whether correct step 2 further includes entire car controller detection code form；If just
Really, entire car controller sends high pressure power up commands, is closed battery；If incorrect, entire car controller forbids high pressure to power on life
It enables, disconnects battery.In the present embodiment, whether correct step 3 further includes car body controller detection code secret key form；Such as
Fruit is correct, and entire car controller is closed battery by receiving the high pressure power up commands of car body controller；If incorrect, vehicle
Controller forbids high pressure power up commands by receive car body controller, disconnects battery.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments "
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of electronic chip anti-theft control system applied to pure electric sedan, which is characterized in that antitheft including electronic chip
Controller, entire car controller and car body controller；
Power battery is further included, the power battery includes the first battery pack and two relays being connect with first battery pack
Device, described two relays are respectively the second relay and third relay；
One end of the input circuit of second relay and third relay is connected respectively with the first power supply, second relay
Control output end of the other end of the input circuit of device and third relay respectively with the entire car controller is connected, and described second
One end of the output loop of relay is connected with the anode of first battery pack, and the other end is exported as power battery anode,
One end of the output loop of the third relay is connected with the cathode of first battery pack, and the other end is born as power battery
Pole exports；
First data terminal of the entire car controller is connected with the data terminal of the electronic chip anti-theft controller；The electronics core
Piece anti-theft controller is built-in with the code that the firing key of transponder is sent out for receiving；
Second data terminal of the entire car controller is connected with the data terminal of the car body controller；The entire car controller is used for
It receives the code that the electronic chip anti-theft controller is sent and code progress key-encryption algorithm is obtained into code secret key,
The car body controller is used to receive code secret key and whether the code secret key verification of car body controller storage is unanimously concurrent
The number of delivering letters controls the break-make of battery to the entire car controller.
2. the electronic chip anti-theft control system according to claim 1 applied to pure electric sedan, which is characterized in that also
Including the first relay, one end of the input circuit of first relay is connected with first power supply, first relay
The other end of the input circuit of device is connected with the control output end of the entire car controller, the output loop of first relay
One end with power supply be connected, the other end of the output loop of first relay and second relay and third relay
The other end of the input circuit of device is connected.
3. the electronic chip anti-theft control system according to claim 1 applied to pure electric sedan, which is characterized in that also
Including combination instrument, the combination instrument includes combination instrument processing chip, the antitheft indicator light of electronic chip and triode；
The data input pin of the combination instrument processing chip is connected with the second data output end of entire car controller；The combination
Instrument processing chip is used to receive the signal of car body controller and entire car controller and pass through display to show corresponding information；
The collector of the triode is connected with the cathode of the antitheft indicator light of electronic chip, the antitheft indicator light of electronic chip
Anode is connected with second source, and the emitter of the triode with power supply is connected, the base stage and combination instrument of the triode
The control output end of processing chip is connected, when car body controller receives the code secret key checked result that is stored with it of code secret key not
When consistent, car body controller sends control signal to combination instrument processing chip, and combination instrument processing chip lights electronic chip
Antitheft indicator light.
4. the electronic chip anti-theft control system according to claim 1 applied to pure electric sedan, which is characterized in that also
Including the second battery pack, electronic anti-theft chip and ignition switch, the ignition switch is connected in the second battery anode and electronics
Between the power end of chip.
5. the electronic chip anti-theft control system according to claim 4 applied to pure electric sedan, which is characterized in that further include
At least one fuse, the fuse are connected in the series connection that the second battery pack, electronic anti-theft chip and ignition switch are formed and return
On the road.
6. the theft preventing method of the electronic chip anti-theft control system according to claim 1 applied to pure electric sedan, feature
It is, electronic chip anti-theft controller, entire car controller and car body controller judge that flow includes the following steps：
Step 1, ignition switch are closed, and electronic chip anti-theft controller works on power, and electronic chip anti-theft controller uses radio frequency
Identification technology reads the code in the transponder in key by the dispatch coil on ignition lock；
Code is sent to entire car controller, full-vehicle control by step 2, electronic chip anti-theft controller by serial line interface
Code is converted to code secret key by device by key-encryption algorithm；
Step 3, car body controller receives the code secret key on entire car controller by CAN bus, with being registered in car body controller
In code secret key be compared；If code secret key is consistent with the code secret key that car body controller is registered, car body controller
High pressure power up commands are sent to entire car controller by CAN bus, current supply circuit are closed, if code secret key and car body controller
The code secret key of registration is inconsistent, and car body controller forbids high pressure power up commands to break to entire car controller by CAN bus transmission
Open current supply circuit.
7. the theft preventing method of the electronic chip anti-theft control system according to claim 6 applied to pure electric sedan, feature
It is, whether step 2 further includes entire car controller detection code form correct；If correct, entire car controller sends high
Power up commands are pressed, are closed current supply circuit；If incorrect, entire car controller forbids high pressure power up commands, disconnects current supply circuit.
8. the theft preventing method of the electronic chip anti-theft control system according to claim 6 applied to pure electric sedan, feature
It is, whether step 3 further includes car body controller detection code secret key form correct；If correct, entire car controller is by connecing
Return the vehicle to the garage and knock off the high pressure power up commands of body controller, is closed current supply circuit；If incorrect, entire car controller is by receiving vehicle body control
Device processed forbids high pressure power up commands, disconnects current supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410298702.2A CN105270323B (en) | 2014-06-27 | 2014-06-27 | Electronic chip anti-theft control system and its theft preventing method applied to pure electric sedan |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410298702.2A CN105270323B (en) | 2014-06-27 | 2014-06-27 | Electronic chip anti-theft control system and its theft preventing method applied to pure electric sedan |
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| CN105270323A CN105270323A (en) | 2016-01-27 |
| CN105270323B true CN105270323B (en) | 2018-06-26 |
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| CN105946790B (en) * | 2016-05-03 | 2019-07-09 | 北京新能源汽车股份有限公司 | Pure electric vehicle and power-on control method thereof |
| CN106314363A (en) * | 2016-09-08 | 2017-01-11 | 深圳市沃特玛电池有限公司 | Electric vehicle identification monitoring system and method |
| HUE051462T2 (en) * | 2016-12-05 | 2021-03-01 | Samsung Sdi Co Ltd | Control unit for a battery system |
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| JP2006335321A (en) * | 2005-06-06 | 2006-12-14 | Tokai Rika Co Ltd | Electronic anti-theft system for vehicle |
| CN101722923B (en) * | 2009-12-03 | 2011-04-20 | 浙江省缙云县三鼎实业有限公司 | Anti-theft electric motorcar controller with electronic registration code |
| CN203093996U (en) * | 2013-01-21 | 2013-07-31 | 广东高标电子科技有限公司 | Electric vehicle and anti-theft system thereof |
| CN203465765U (en) * | 2013-07-31 | 2014-03-05 | 青岛澳柯玛电动科技有限公司 | No-key antitheft electric vehicle |
| CN203511578U (en) * | 2013-09-16 | 2014-04-02 | 陈庆云 | Safety anti-theft system of electric vehicle |
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Address after: 401320 Yudong street, Banan District, Chongqing Patentee after: Chongqing lingyao Automobile Co.,Ltd. Address before: 401321 Yudong Town, Banan District, Chongqing Patentee before: CHONGQING CHANG'AN SUZUKI AUTOMOBILE Co.,Ltd. |