CN102602811B - Method, device and system for preventing disassembling of global positioning system (GPS) terminal of crane - Google Patents
Method, device and system for preventing disassembling of global positioning system (GPS) terminal of crane Download PDFInfo
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- CN102602811B CN102602811B CN201210056532.8A CN201210056532A CN102602811B CN 102602811 B CN102602811 B CN 102602811B CN 201210056532 A CN201210056532 A CN 201210056532A CN 102602811 B CN102602811 B CN 102602811B
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Abstract
The embodiment of the invention discloses a method, a device and a system for preventing disassembling of a global positioning system (GPS) terminal of a crane. The method comprises the following steps of: S1), acquiring first password information transmitted by the existing GPS terminal; S2) if the first password information is not acquired or the acquired first password information is not matched with second password information which is previously stored by an engine electronic control unit (ECU), entering a step S3), wherein the second password information corresponds to the designated GPS terminal, and the designated GPS terminal is the GPS terminal which is bound with the engine ECU; and S3), generating and storing a locking order in the engine ECU, so that the locking operation can be performed according to the locking order. Therefore, if the GPS terminal is privately disassembled or replaced, a password transmitted by the GPS terminal cannot be correctly read by the engine ECU, so that the vehicle is locked to punish users, and the private disassembling of the GPS terminal by the users can be effectively prevented.
Description
Technical field
The present invention relates to hoisting crane field, especially relate to method, the Apparatus and system of the anti-dismounting of a kind of hoisting crane GPS terminal.
Background technology
Hoisting crane, especially movable crane, can shift work-yard flexibly, is widely used in the fields such as petrochemical industry, metallurgy, building.Current, a lot of movable cranes (hereinafter to be referred as hoisting crane) are all to buy in the mode of mortgage, in this case, in order to safeguard the interests of bank or maker, GPS (GPS (Global Position System)) terminal generally can be installed on hoisting crane.This GPS terminal not only can be carried out 24 hours location to hoisting crane, also has sending and receiving remote instruction, communicates by letter with all kinds of ECU (electronic control unit), the function such as input and output.In the time that user (as purchaser or lease side) does not repay mortgage loan, bank or maker etc. have the department of authority can instruction of long-range transmission, control the driving engine of hoisting crane by GPS terminal, make it stop working, not allow again to start etc., to force user to fulfil previous agreement or contract.
In the prior art, GPS terminal on hoisting crane is such and driving engine cooperating: shown in Figure 1, Fig. 1 comprises storage battery 101, power-on switch 102, insurance 103, GPS terminal 104, relay 105, engine off switch 106, driving engine 107.Storage battery 101 is directly given No. 1 plug power supply of GPS terminal 104.Under normal circumstances, if power-on switch 102 closures, illustrate that user will use hoisting crane, No. 2 plugs of GPS terminal 104 have electricity, thereby wake GPS terminal 104 up, then GPS terminal 104 has electricity by No. 3 plug control relays 105, and relay 105 is left from normally closed often becoming, and is to allow engine starting state by engine off state-transition.In the situation that user breaks a contract, GPS terminal receives long-range car locking instruction, does not allow relay 105 to have electricity, and control engine is flame-out, prevention engine starting, thereby realizes the object of carrying out Long-distance Control driving engine by GPS terminal.
Because GPS terminal can be controlled engine off after receiving instruction, so some users may remove this GPS terminal privately, make its inefficacy.Contriver finds realizing in process of the present invention, and prior art cannot effectively prevent that GPS terminal is removed.If although directly remove GPS terminal relay by normally closed, driving engine cannot be worked, but there is larger leak in conventional relay circuit, user still can achieve the goal by some means: for example, the coil power power supply of directly giving relay, makes relay have electricity, and relay is always in normally open, GPS terminal is with regard to get out of hand effect like this, uncontrollable engine off; Again for example, directly pull out relay, GPS terminal has also lost control action.Visible, prior art is easily cracked, and cannot prevent that GPS terminal is removed by actv..
Summary of the invention
The object of the embodiment of the present invention is to provide method, device and the equipment of the anti-dismounting of movable crane GPS terminal, effectively to prevent that user from removing GPS terminal privately.
The method that the embodiment of the invention discloses the anti-dismounting of a kind of hoisting crane GPS terminal, comprises the following steps:
S1) obtain the first password information that Current GPS terminal sends;
S2) if do not get described first password information or the second encrypted message that the described first password information that gets prestores with Engine ECU does not mate, enter step S3), wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU;
S3) generate and in described Engine ECU, store car locking instruction, to carry out car locking operation according to described car locking instruction.
Preferably, step S1) also comprise before:
S1 ') judge in described Engine ECU whether store car locking instruction, if so, carry out described car locking operation, if not, continue to carry out downwards.
Preferably, step S1 ') also comprise before:
S1 ") judge whether to remove GPS car locking function, if not, continue to carry out downwards, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
Preferably, described in, carrying out car locking operation specifically comprises:
Limiting engine starts or reduces the output torque of driving engine.
Preferably, institute also comprises in steps before:
S0) described the second encrypted message that prestores in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
Preferably, step S0) specifically comprise:
S01) judge described the second encrypted message that whether prestored in described Engine ECU, if not, enter step S02);
S02) judge whether to receive the bind request information that described appointment GPS terminal is sent, if, described the second encrypted message obtaining from described appointment GPS terminal is stored in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
The device that the embodiment of the invention also discloses the anti-dismounting of a kind of hoisting crane GPS terminal, comprising:
Password acquiring unit, the first password information sending for obtaining Current GPS terminal;
Cryptographic check unit, for the correctness of described first password information is judged: if do not get described first password information or the second encrypted message that the described first password information that gets prestores with Engine ECU does not mate, trigger punishment unit, wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU;
Described punishment unit, for generating and storing car locking instruction in described Engine ECU, to carry out car locking operation according to described car locking instruction.
Preferably, described device also comprises:
Car locking judging unit, for judging whether described Engine ECU stores car locking instruction, if so, carries out described car locking operation, if not, triggers described password acquiring unit.
Preferably, described device also comprises:
Remove car locking function-judging unit, need to remove GPS car locking function for judging whether, if not, trigger described car locking judging unit, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
Preferably, described device also comprises:
Initial binding unit, for described the second encrypted message that prestores in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
Preferably, described initial binding unit specifically comprises:
Binding essentiality judgment sub-unit, for judging described Engine ECU described the second encrypted message that whether prestored, if not, triggers binding and carries out subelement;
Subelement is carried out in described binding, for the bind request information that judges whether to receive that described appointment GPS terminal is sent, if so, described the second encrypted message obtaining from described appointment GPS terminal is stored in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
The embodiment of the invention also discloses the anti-dismounting system of a kind of hoisting crane GPS terminal, it is characterized in that, comprise GPS terminal and Engine ECU, described GPS terminal is connected by bus with described Engine ECU;
Described GPS terminal is used for: send first password information by described bus to described Engine ECU;
Described Engine ECU is used for: obtain the first password information that Current GPS terminal sends; If the second encrypted message that the described first password information that does not get described first password information or get prestores with Engine ECU does not mate, generate and store car locking instruction in described Engine ECU, to carry out car locking operation according to described car locking instruction, wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU.
Preferably, described Engine ECU also for: judge whether self stores car locking instruction, if so, carry out described car locking operation.
Preferably, described Engine ECU also for: judge whether to remove GPS car locking function, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
The embodiment of the present invention is by the Engine ECU on movable crane and GPS terminal binding and the two flow process is according to the rules communicated, if GPS terminal is privately removed or is changed, Engine ECU cannot correctly read the password that GPS terminal sends, therefore driving engine can carry out car locking so that user is punished according to preset program, effectively prevent that user from removing the object of GPS terminal privately thereby reached.
In addition, in embodiments of the present invention, when initial, Engine ECU can be first judges whether needing to bind GPS terminal, if do not need binding, even if GPS terminal driving engine is not installed also can normally work, can be because of GPS terminal be installed merely car locking automatically, thereby can be applied to more flexibly all kinds of occasions.
In addition, in embodiments of the present invention, GPS terminal can send according to the Long-distance Control of control center the instruction of the function that unlocks to Engine ECU, to make it the binding relationship of releasing and GPS terminal.In other words, solved in the lump and in prior art, can only control car locking or do not lock but there is no unlocking function, the easy problem that causes fault car locking because of long-range maloperation, relay circuit fault.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the electrical schematic diagram of prior art;
Fig. 2 is the electrical schematic diagram of the embodiment of the present invention one;
Fig. 3 is the diagram of circuit of the embodiment of the present invention one method;
Fig. 4 is the diagram of circuit of the embodiment of the present invention two methods;
Fig. 5 is the schematic diagram that the embodiment of the present invention three is installed;
Fig. 6 is the schematic diagram of the embodiment of the present invention four systems.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
Electric-control motor (hereinafter to be referred as driving engine) is generally all housed on movable crane, and the launched machine ECU of driving engine (electronic control unit) controls.Engine ECU is carried out the mode of operation of control engine by gathering the various sensor signals of driving engine or bus data, as the startup of control engine, flame-out, output speed, output torque etc.And the GPS terminal of installing on hoisting crane not only can send to GPS control center by parameter, the engine breakdown information of locating information, speed information, driving engine operation, but also the remote commands such as the car locking that can send by antenna reception GPS control center.
Fig. 2 is the electrical schematic diagram of the embodiment of the present invention one, comprising: storage battery 201, power-on switch 202, insurance 203, GPS terminal 204, Engine ECU 205.Wherein, storage battery 201 is connected to GPS terminal 204, for the long-term power supply of GPS terminal 204 makes it to position.Storage battery 201 is connected with power-on switch 202, insurance 203, Engine ECU 205, for Engine ECU 205 is powered.GPS terminal 204 is parallel on the power supply of Engine ECU 205, for GPS terminal 204 is waken up.Meanwhile, GPS remote terminal 204 also couples together by the bus 206 being made up of two CAN buses with Engine ECU 205, to carry out data exchange.
Suppose when Engine ECU is initial to have bound with an appointment GPS terminal, be the two and set up man-to-man relation, i.e. the second encrypted message of the password corresponding with specifying GPS terminal has for example prestored in Engine ECU.Wherein saidly comprise a variety of situations when initial, as can be in the time dispatching from the factory, or while consigning to buyer or tenantry, also or in the time that buyer or tenantry restart performance of the contract, etc.So, in normal use procedure afterwards, when each start the engine, or at set intervals, or at the appointed time etc., can be whether described appointment GPS terminal is removed and make accordingly punishment by user by the original bound GPS terminal of method judgement in the present embodiment, prevent that user from removing the object of GPS terminal privately thereby reach.Shown in Figure 3, the present embodiment method comprises the following steps:
S301: obtain the first password information that Current GPS terminal sends.Be that Current GPS terminal initiatively sends or answers the requirement of Engine ECU and send an encrypted message to Engine ECU to Engine ECU, i.e. first password information, described first password information is for verifying the legitimacy of Current GPS terminal.
S302: if do not get described first password information or the second encrypted message that the described first password information that gets prestores with Engine ECU does not mate, enter step S303.Wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU.
The first password information that Engine ECU gets has three kinds of possible situations:
The first, first password information is empty, and Engine ECU does not get first password information, shows that user has removed GPS terminal privately.The second, first password information is not still mated with the second encrypted message for empty, shows that user removes and changed GPS terminal privately, i.e. the non-previously bound GPS terminal of current GPS terminal, so cause two passwords inconsistent.Three, first password is not empty and mates with the second encrypted message, shows that GPS terminal is legal, is not privately removed or replaces by user.Be the situation that user has removed GPS terminal privately for first, second kind of situation, will enter step S303 with reply.And be normal circumstances for the third situation, Engine ECU will allow engine work, as normal startup or continue normal operation etc.
S303: generate and store car locking instruction in described Engine ECU, to carry out car locking operation according to described car locking instruction.Because user removes or even changed GPS terminal privately, as punishment, can generate and store car locking instruction in described Engine ECU so.As long as obtained car locking instruction, the object of the present embodiment method has also just reached so.As for when carrying out car locking according to described car locking instruction and by mode how or say by what car locking strategy and carry out car locking, can there be multiple choices: can be for example current with regard to car locking, this limiting engine starts or reduce the output torque of driving engine; Also can be in the next time of car locking again, when user wants start the engine next time and limiting engine starts or reduce the output torque of driving engine.
By the method for the present embodiment, if user has removed the GPS terminal of original binding privately, Engine ECU just can not receive password or receive wrong password so, thereby can produce car locking instruction, and user is formed to punishment.Visible, the present embodiment method can prevent that GPS terminal is removed by actv..
In addition, if user does not repay mortgage loan, control center also can send special instruction to GPS terminal so, make GPS terminal send wrong first password to driving engine, thereby also can cause generating car locking instruction, so also just realize the function of crane engine being carried out to long-range car locking control.
Embodiment bis-
Fig. 4 is the diagram of circuit of the embodiment of the present invention two methods.The present embodiment, based on embodiment mono-, is the further expansion to embodiment mono-.Comprise the following steps:
S401: Engine ECU energising.Start this flow process.
S402: read Current GPS terminal communication parameter by bus.It is Engine ECU obtains Current GPS terminal messaging parameter by bus.Described messaging parameter can comprise that hardware parameter, first password information and other instructions of the transmission of Current GPS terminal are as removed the contents such as car locking function command.Certainly, the current GPS that also may not install, now the every content in messaging parameter is empty.
S403: judge whether and GPS terminal binding.Be Engine ECU judge self whether with a GPS terminal binding.For example judge i.e. second password of password of self whether preset GPS terminal coupling use, if preset, illustrate that Engine ECU binds with a GPS terminal.
Note, from S403, this flow process will be divided into Liang Ge branch, and one is taking S404 as the routine starting judges branch, is the core of this flow process, and another is the initialization branch taking S411 as starting.
If bind, continue to enter S404 downwards, enter routine and judge branch, so that the legitimacy of Current GPS terminal is judged.If binding, does not jump to S411, enter initialization branch, first do some initialized work.
S404: judge whether to remove GPS car locking function.If comprised the instruction of removing GPS car locking function in described messaging parameter, entered S410; If do not comprise, continue to enter S405 downwards.The instruction of described releasing GPS car locking function is generally that GPS terminal is sent according to the Long-distance Control of control center.
S405: judge whether to have car locking instruction.Judge and in Engine ECU, whether had car locking instruction.If have, showing should car locking, enters step 409; If do not have, enter S406.
S406: whether the password that judges the transmission of Current GPS terminal is correct.This step is core procedure, i.e. the first password information that the judgement Current GPS terminal that previously (S402) got sends whether with Engine ECU in preset the second encrypted message match.If mal, as first password information is sky (being the current GPS of installation terminal) or does not mate with the second encrypted message, enters S408.If correct, enter S407.
S407: engine work.Be that Engine ECU makes engine work, this flow process finishes.
S408: generate and in the instruction of Engine ECU storage car locking, using the punishment as to user, this flow process finishes.Because first password information mal, therefore conclude that GPS terminal has been removed or has changed, storage car locking instruction to carry out car locking to driving engine in the time carrying out this flow process next time.It should be noted that, as long as obtained car locking instruction, the basic object of the present embodiment flow process has also just reached so.As for when carrying out car locking according to described car locking instruction and by mode how or say by what car locking strategy and carry out car locking to have multiple choices.In the present embodiment, preferred, for the consideration to user security, in this flow process, do not carry out immediately car locking operation, carry out but wait until next time, while carrying out to S405 after next driving engine energising, carry out again.
S409: carry out car locking operation according to preset car locking strategy.For example limiting engine starts or reduces the output torque of driving engine.This flow process finishes.
S410: unbind.For example Engine ECU is by i.e. the second clearing password of the passwords of self preset GPS terminal, with unbind.Then enter S407.
S411: judge whether to install GPS terminal.Can judge the current GPS terminal of whether having installed according to the accessed described messaging parameter of S402.If do not install, can jump directly to S407; If install, continue to enter S412 downwards.This three step of S411 to S413 belongs to initialization branch, for Engine ECU being carried out to GPS terminal binding when initial.Different from conventional branch, the general Exactly-once of initialization branch or only where necessary carry out, for example in the time dispatching from the factory or pay time etc.
S412: judge whether the request of binding GPS.If comprised the bind request of GPS terminal in described messaging parameter, continue to enter S413 downwards; Otherwise skip to S407.
S413: read and store Current GPS terminal password is installed.That is, the first password information that Current GPS is sent is regarded installation password as, and is stored in Engine ECU, using as the second encrypted message, judges GPS terminal legality for later.Then enter S407.
Embodiment tri-
Fig. 5 is the schematic diagram that the embodiment of the present invention three is installed, and described device comprises:
Password acquiring unit 501, the first password information sending for obtaining Current GPS terminal;
Cryptographic check unit 502, for the correctness of described first password information is judged: if do not get described first password information or the second encrypted message that the described first password information that gets prestores with Engine ECU does not mate, trigger punishment unit, wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU;
Described punishment unit 503, for generating and storing car locking instruction in described Engine ECU, to carry out car locking operation according to described car locking instruction.
Preferably, also comprise:
Car locking judging unit 504, for judging whether described Engine ECU stores car locking instruction, if so, carries out described car locking operation, if not, triggers described password acquiring unit.
Preferably, also comprise:
Remove car locking function-judging unit 505, need to remove GPS car locking function for judging whether, if not, trigger described car locking judging unit, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
Preferably, also comprise:
Initial binding unit 506, for described the second encrypted message that prestores in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
Preferably, described initial binding unit 506 specifically comprises:
Binding essentiality judgment sub-unit 5061, for judging described Engine ECU described the second encrypted message that whether prestored, if not, triggers binding and carries out subelement;
Subelement 5062 is carried out in described binding, for the bind request information that judges whether to receive that described appointment GPS terminal is sent, if, described the second encrypted message obtaining from described appointment GPS terminal is stored in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
For device embodiment, because it is substantially similar in appearance to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
Embodiment tetra-
Fig. 6 is the schematic diagram of the embodiment of the present invention four systems, and described system comprises: GPS terminal 601 and Engine ECU 602, and described GPS terminal 601 is connected by bus 603 with described Engine ECU 602;
Described GPS terminal 601 for: send first password information by described bus 603 to described Engine ECU 602;
Described Engine ECU 602 for: obtaining Current GPS terminal is the first password information that GPS terminal 601 sends; If the second encrypted message that the described first password information that does not get described first password information or get prestores with Engine ECU does not mate, generate and store car locking instruction in described Engine ECU 602, to carry out car locking operation according to described car locking instruction, wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU.
Preferably, described Engine ECU 602 also for: judge whether self stores car locking instruction, if so, carry out described car locking operation.
Preferably, described Engine ECU 602 also for: judge whether to remove GPS car locking function, if so, remove the binding of described appointment GPS terminal and described Engine ECU 602.
For system embodiment, because it is substantially similar in appearance to embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
One of ordinary skill in the art will appreciate that all or part of step realizing in said method embodiment is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in computer read/write memory medium, here the alleged storage medium obtaining, as: ROM, RAM, magnetic disc, CD etc.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Applied specific case herein and principle of the present invention and embodiment have been carried out to lock stated, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.All any amendments of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (14)
1. a method for the anti-dismounting of hoisting crane GPS terminal, comprises the following steps:
S1) obtain the first password information that Current GPS terminal sends, described first password information is for verifying the legitimacy of Current GPS terminal;
S2) if do not get described first password information or the second encrypted message that the described first password information that gets prestores with Engine ECU does not mate, enter step S3), wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU;
S3) generate and in described Engine ECU, store car locking instruction, to carry out car locking operation according to described car locking instruction.
2. method according to claim 1, is characterized in that, step S1) also comprise before:
S1 ') judge in described Engine ECU whether store car locking instruction, if so, carry out described car locking operation, if not, continue to carry out downwards.
3. method according to claim 2, is characterized in that, step S1 ') also comprise before:
S1 ' ') judge whether to remove GPS car locking function, if not, continue to carry out downwards, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
4. method according to claim 1, is characterized in that, carries out described car locking operation and specifically comprises:
Limiting engine starts or reduces the output torque of driving engine.
5. according to the method described in claim 1～4 any one, it is characterized in that, institute also comprises in steps before:
S0) described the second encrypted message that prestores in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
6. method according to claim 5, is characterized in that, step S0) specifically comprise:
S01) judge described the second encrypted message that whether prestored in described Engine ECU, if not, enter step S02);
S02) judge whether to receive the bind request information that described appointment GPS terminal is sent, if, described the second encrypted message obtaining from described appointment GPS terminal is stored in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
7. a device for the anti-dismounting of hoisting crane GPS terminal, comprising:
Password acquiring unit, the first password information sending for obtaining Current GPS terminal, described first password information is for verifying the legitimacy of Current GPS terminal;
Cryptographic check unit, for the correctness of described first password information is judged: if do not get described first password information or the second encrypted message that the described first password information that gets prestores with Engine ECU does not mate, trigger punishment unit, wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU;
Described punishment unit, for generating and storing car locking instruction in described Engine ECU, to carry out car locking operation according to described car locking instruction.
8. device according to claim 7, is characterized in that, also comprises:
Car locking judging unit, for judging whether described Engine ECU stores car locking instruction, if so, carries out described car locking operation, if not, triggers described password acquiring unit.
9. device according to claim 8, is characterized in that, also comprises:
Remove car locking function-judging unit, need to remove GPS car locking function for judging whether, if not, trigger described car locking judging unit, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
10. according to the device described in claim 7～9 any one, it is characterized in that, also comprise:
Initial binding unit, for described the second encrypted message that prestores in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
11. devices according to claim 10, is characterized in that, described initial binding unit specifically comprises:
Binding essentiality judgment sub-unit, for judging described Engine ECU described the second encrypted message that whether prestored, if not, triggers binding and carries out subelement;
Subelement is carried out in described binding, for the bind request information that judges whether to receive that described appointment GPS terminal is sent, if so, described the second encrypted message obtaining from described appointment GPS terminal is stored in described Engine ECU, so that described Engine ECU and described appointment GPS terminal binding.
12. 1 kinds of anti-dismounting systems of hoisting crane GPS terminal, is characterized in that, comprise GPS terminal and Engine ECU, described GPS terminal is connected by bus with described Engine ECU;
Described GPS terminal is used for: send first password information by described bus to described Engine ECU, described first password information is for verifying the legitimacy of Current GPS terminal;
Described Engine ECU is used for: obtain the first password information that Current GPS terminal sends; If the second encrypted message that the described first password information that does not get described first password information or get prestores with Engine ECU does not mate, generate and store car locking instruction in described Engine ECU, to carry out car locking operation according to described car locking instruction, wherein said the second encrypted message is corresponding with appointment GPS terminal, and described appointment GPS terminal is the GPS terminal of binding mutually with described Engine ECU.
13. systems according to claim 12, is characterized in that,
Described Engine ECU also for: judge whether self stores car locking instruction, if so, carry out described car locking operation.
14. systems according to claim 12, is characterized in that,
Described Engine ECU also for: judge whether to remove GPS car locking function, if so, remove the binding of described appointment GPS terminal and described Engine ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056532.8A CN102602811B (en) | 2012-03-06 | 2012-03-06 | Method, device and system for preventing disassembling of global positioning system (GPS) terminal of crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210056532.8A CN102602811B (en) | 2012-03-06 | 2012-03-06 | Method, device and system for preventing disassembling of global positioning system (GPS) terminal of crane |
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| CN102602811A CN102602811A (en) | 2012-07-25 |
| CN102602811B true CN102602811B (en) | 2014-07-16 |
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| CN201210056532.8A Active CN102602811B (en) | 2012-03-06 | 2012-03-06 | Method, device and system for preventing disassembling of global positioning system (GPS) terminal of crane |
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| CN103369465B (en) * | 2013-06-24 | 2016-08-10 | 徐州重型机械有限公司 | Control GPS car-mounted terminal and vehicle motor carry out the method and system bound |
| CN104134256B (en) * | 2014-07-17 | 2017-03-01 | 潍柴动力股份有限公司 | A kind of method and system preventing long-range car locking to lose efficacy |
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