CN102592340A - Emergency unlocking method and system for engineering vehicles - Google Patents
Emergency unlocking method and system for engineering vehicles Download PDFInfo
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- CN102592340A CN102592340A CN2012100497354A CN201210049735A CN102592340A CN 102592340 A CN102592340 A CN 102592340A CN 2012100497354 A CN2012100497354 A CN 2012100497354A CN 201210049735 A CN201210049735 A CN 201210049735A CN 102592340 A CN102592340 A CN 102592340A
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Abstract
The invention relates to an emergency unlocking method for engineering vehicles, which comprises the following steps of: requesting a clear text from a vehicle-mounted terminal through a setting tool; working out a ciphertext by adopting an encryption algorithm which is the same as the vehicle-mounted terminal after a control center receives the clear text, and sending the ciphertext to client communication equipment; and inputting the ciphertext into the vehicle-mounted terminal through the setting tool, and executing a related command by the vehicle-mounted terminal. The invention further relates to an emergency unlocking system for the engineering vehicles, which comprises the vehicle-mounted terminal, the setting tool, the client communication equipment and the control center, wherein the vehicle-mounted terminal is used for setting up a cipher processing module; the setting tool is connected with the vehicle-mounted terminal so as to input the clear text and the ciphertext; the client communication equipment communicates with the control center and the control center is used for sending out unlocking information. As the emergency unlocking system is provided with the control center, the service conditions of the vehicles are effectively managed and the vehicles can also be smoothly unlocked under the condition that the signal environment is very poor, and thereby, the beneficial effect of preventing enterprises or users from loss is achieved.
Description
Technical field
The present invention relates to a kind of unlock method and system, relate in particular to a kind of engineering truck unlock method and system.
Background technology
Along with the needs of China's constant development of economy and construction, the heavy engineering vehicle has become indispensable important tool.Be accompanied by the continuous increase of engineering truck demand, the production of heavy vehicle, manufacturing, sale, a whole set of after sale system are gradually improved, and market sales volume significantly improves.The supporting industries concerned of arising at the historic moment are emersion gradually also; In recent years based on the vehicle GPS application technology of mobile communication, GPS GPS, GIS GIS-Geographic Information System constantly development, maturation at home, increasing engineering machinery enterprise has produced keen interest to the GPS product.Enterprise is through setting up the GPS monitoring network platform, and vehicle installs the GPS terminal additional, thereby improves the security of management of vehicles, this control of operation car, people's car, improves the use value of vehicle comprehensively, increases enterprise profit, creates the synthesized competitiveness of enterprise.
But because the price of engineering truck is higher relatively, in the 1-2 in Engineering Project Construction cycle, unit in charge of construction often takes to lease or the mode of mortgage is used.In vehicle leasing and ever-increasing while of mortgage demand, it is increasing that malice is owed rents, malice owes to borrow the financial risks of bringing to equipment manufacturers and dealer.So, outside the positioning function of routine, also require the GPS terminal to possess the function of lock car and release, can lock car or release by Surveillance center in case of necessity.Promptly assign instruction by Surveillance center, GPS terminal is assigned lock car or unlock command to vehicle control device, and final topworks to vehicle locks or unlocks, and uses with the control vehicle.
Behind the locking vehicle, existing technology is release in two ways usually, and the one, send signal through the center and give car-mounted terminal, assign unlock command.The environment for use of engineering truck is relatively more abominable usually, and some is local even do not have signal of communication, in case need release after vehicle is locked; But movable signal is strong inadequately again; Unlock command just can't be sent to the GPS terminal in the center, causes vehicle to use, and causes tremendous loss to the user.A kind of in addition release mode is to send unlock command with the mode of wired mode to GPS at the scene.This mode confidentiality is not strong, and the center is uncontrollable.Possibly cause certain customers unrestrictedly to use, bring tremendous loss for engineering truck enterprise or dealer.
Summary of the invention
The technical matters that the present invention will solve is, to the above-mentioned defective of prior art, a kind of engineering truck emergency release method and system that cooperatively interacts and realize through GPS terminal and Surveillance center is provided.
The technical solution adopted for the present invention to solve the technical problems is:
On the one hand, the technical solution adopted for the present invention to solve the technical problems is: a kind of engineering truck emergency release method is provided, states engineering truck emergency release method and may further comprise the steps:
S1, the instrument that is provided with are connected with the car-mounted terminal of engineering truck and send the request plain-text instructions that the user imports to this car-mounted terminal; After car-mounted terminal receives this request plain-text instructions; The random number generating module of this car-mounted terminal produces first and expressly also shows; The encrypting module of this car-mounted terminal expressly calculates first ciphertext according to preset encryption algorithm based on said first simultaneously, and this first ciphertext is sent in the storer of car-mounted terminal and preserves;
S2, said first expressly is input to the user side communication apparatus by the user and reports to control center through this user side communication apparatus; Report ID number of car-mounted terminal of this project vehicle simultaneously to control center; Control center examines the record of paying the fees of engineering truck of this ID number car-mounted terminal; Control center is according to the situation of the paying the fees secure processing device encrypts time of the engineering truck of this ID number car-mounted terminal; And the encrypting module of control center calculates second ciphertext based on this first ciphertext that receives, the employing AES identical with car-mounted terminal and with the release time editing in second ciphertext; Generate the 3rd ciphertext, control center sends the 3rd ciphertext to user through the user side communication apparatus subsequently;
S3, said the 3rd ciphertext are through being provided with instrument input car-mounted terminal; The cryptographic check module of car-mounted terminal is extracted second ciphertext in the 3rd ciphertext; And with said second ciphertext be kept at storage first ciphertext wherein and compare; If above-mentioned second ciphertext and first ciphertext are identical, then extract the release time in the 3rd ciphertext and send unlock command to electrical control mechanism.
In engineering truck emergency release method of the present invention, said S1 step also comprises:
S11, after the random number generating module of car-mounted terminal is sent expressly, the time block of the car-mounted terminal of engineering truck sets up the stand-by period on their own, this time block is not received ciphertext in the stand-by period, then sends to the processor of car-mounted terminal and abandons unlocking signal.
In engineering truck emergency release method of the present invention, said S2 step also comprises:
S21, control center are write the service recorder this time of the engineering truck of this ID number car-mounted terminal in its corresponding account.
In engineering truck emergency release method of the present invention, said first expressly is the random number of two bytes, nybble or Eight characters joint, is preferably the decimal system random number of nybble.
In engineering truck emergency release method of the present invention, said display device is the display screen of car-mounted terminal or the display screen that instrument is set, and is preferably the display screen of the instrument of setting.
On the other hand; The technical solution adopted for the present invention to solve the technical problems is: a kind of engineering truck emergency release system is provided; Comprise control center, car-mounted terminal and communication base station; Said control center comprises and is used for setting up the communication apparatus that communication is connected through communication base station with the user side communication apparatus, calculates the encrypting module of ciphertext according to the plaintext that receives, and the storer of storing subscriber information and the processor that is connected with control center each parts; Said car-mounted terminal comprises the processor that is connected with each parts of terminal, after receiving unlock command to the electrical control mechanism of machine mandate, said control system also comprises:
Instrument is set, is connected with the car-mounted terminal communication, also be used for the 3rd ciphertext of the control center that receives is input to car-mounted terminal with input request plain-text instructions and first plaintext that shows that car-mounted terminal sends,
The user side communication apparatus is used for setting up communication through communication base station with control center and is connected,
Control center and car-mounted terminal all are provided with the cryptographic processing module.
In engineering truck emergency release of the present invention system, said cryptographic processing module comprises:
The random number generating module is used for producing expressly,
Encrypting module is used for calculating ciphertext according to the plaintext that the random number generating module produces,
The cryptographic check module, control center's second ciphertext that is used for relatively receiving and first ciphertext that is stored in memory module,
Time block is used for sending expressly the back at car-mounted terminal and sets the stand-by period, exceeds the stand-by period to send to processor and abandon unlocking signal.
In engineering truck emergency release of the present invention system, the plaintext that said random number generating module produces is the random number of nybble.
In engineering truck emergency release of the present invention system, said car-mounted terminal also comprises communication module and GPS module.
Embodiment of the present invention has following beneficial effect: this system for unlocking and method need the cooperation of car-mounted terminal, user and the control center of engineering truck to realize; And the mode that establishes a communications link of user and control center is flexible; Like the user local preferably or adopt wired mode and center to get in touch and obtain expressly to signal, do not receive unlocking signal owing to poor signal and can't use engineering truck and the loss that brings to the user thereby solved vehicle; In addition, the whole process of engineering truck release all under the control of control center, only after control center's checking user profile, just can be sent ciphertext to the user, has prevented the loss that malice uses engineering truck to bring for enterprise or dealer.
Description of drawings
To combine accompanying drawing and embodiment that engineering truck emergency release method and system of the present invention is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of engineering truck emergency release system embodiment of the present invention;
Fig. 2 is the structured flowchart of vehicle termination embodiment of the present invention;
Fig. 3 is the process flow diagram of engineering truck emergency release method of the present invention.
Embodiment
Engineering truck according to the invention; Or be called engineering machinery vehicle; Refer to be used for the vehicle or the plant equipment of various engineering construction projects, include but not limited to various cranes, concrete mixer, cement pump truck, excavator, dozer, environmental sanitation vehicles, street roller, mine vehicle etc.
The principle of engineering truck emergency release method and system of the present invention is described in conjunction with Fig. 1, Fig. 2 and Fig. 3.As shown in Figure 1; The system construction drawing of engineering truck emergency release of the present invention; This system comprises control center; The car-mounted terminal of communicating by letter and being connected with control center in order to be connected the instrument that is provided with the ciphertext of input request instruction or input request release expressly with car-mounted terminal, to establish a communications link with control center, reports expressly, the user side communication apparatus of request release ciphertext and the communication base station that establishes a communications link at control center and user side communication apparatus or car-mounted terminal.In embodiment of the present invention, said user side communication apparatus is a mobile communication equipment, like mobile phone, or wire communication equipment, like landline telephone.
Forward car-mounted terminal logical organization synoptic diagram shown in Figure 2 to, comprise processor, what be connected with processor has a GPS module; Memory module; Communication module, different with existing car-mounted terminal is that the car-mounted terminal of the embodiment of the invention also comprises the cryptographic processing module and tool interface is set.Wherein the cryptographic processing module comprises the random number that is used to produce two bytes, nybble and Eight characters joint; Be preferably the metric plaintext of nybble the random number generating module, be used for according to the plaintext that the random number generating module produces calculate encrypting module, the ciphertext that is used for relatively receiving of corresponding ciphertext and be stored in memory module ciphertext the cryptographic check module and be used for setting the stand-by period sending expressly the back, send the time block of abandoning unlocking signal to processor after exceeding the stand-by period.After tool interface is set is connected of instrument and this car-mounted terminal is set; The user promptly imports the request plain-text instructions; After the car-mounted terminal of engineering truck receives this request plain-text instructions, produce a metric plaintext of nybble, this expressly is presented at the display device (not shown) of car-mounted terminal or is provided with on the display device of instrument; Be preferably on the display device that is presented at the instrument of setting, the ciphertext that obtains from control center also is provided with the instrument input through this.Need to prove that the byte of random number and system are optimal ways, those skilled in the art will be appreciated that the random number that can also select other bytes or system, like the random number of forms such as Eight characters joint sexadecimal.
The method of engineering truck emergency release of the present invention system is described in conjunction with Fig. 3.At first; After engineering truck is locked; The user will be provided with instrument and be connected with the tool interface that is provided with of car-mounted terminal, send the instruction of asking plaintext through the digital keys that is provided with on the instrument to car-mounted terminal, after the car-mounted terminal of engineering truck receives this request plain-text instructions; The random number generating module of car-mounted terminal produces expressly, and shows being provided with on the display device of instrument.Meanwhile; The encrypting module of this car-mounted terminal converts this plaintext to ciphertext through certain algorithm; And be kept in the storer of this car-mounted terminal; The time block of this car-mounted terminal picks up counting when car-mounted terminal sends expressly simultaneously, and above-mentioned ciphertext generates and the process of storage is sightless to the user.The user is after obtaining to be somebody's turn to do expressly; Be connected ID number of reporting car-mounted terminal and the plaintext that obtains through mobile communication equipment or other wire communication equipment with the control center communication, this ID number car-mounted terminal customer charge information is called by control center, examines information the such as whether user continues to pay dues; If the user continues to pay dues; Can call the AES identical plaintext is converted into ciphertext with car-mounted terminal, and with the release time editing in ciphertext, be handed down to the user.The user (is defaulted as in 30 minutes) through instrument is set in the specific time after receiving expressly ciphertext is imported car-mounted terminal.The cryptographic check module verification ciphertext of car-mounted terminal is a true time, and the release time of extracting is wherein carried out unlock command.To the locking of engineering truck is that modes such as mechanical arm, engine through electrical control actuator locking engineering truck are carried out.If vehicle is worked, carry out when guaranteeing that being locked in of construction safety engineering truck starts next time or before lock operation carries out, give the alarm, remind the operator to stop using this project vehicle.
Embodiment
In the building site of certain poor signal, like remote mountain area, tunnel or built-up on every side building site, signal of communication is bad, if engineering truck uses the term of validity to finish or other reasons is locked.Even the user continues to pay dues, control center can not carry out release to vehicle in time.The instrument that is provided with in the present embodiment have keyboard region, display screen and with the joint or the interface of car-mounted terminal.At this moment the on-the-spot related personnel of engineering truck instrument will be set and be connected, ask plain-text instructions for example " #91# " to this car-mounted terminal input through instrument is set with the car-mounted terminal of blocked engineering truck.The random number generating module of this car-mounted terminal produces the metric random number of nybble, and on the display screen that is provided with on the instrument, shows, and for example 1234567890, be first expressly.Sightlessly to the user be; The encrypting module of this car-mounted terminal expressly calculates the first corresponding ciphertext according to this; And this first plaintext, first ciphertext, request sequence number and current time be stored in the storer of this car-mounted terminal as a service recorder, the timing module of this project vehicle car-mounted terminal begins to carry out effective release time the countdown of (being defaulted as 30 minutes) simultaneously.What the field staff will obtain first expressly writes down, and adopts wire telephony or gets in touch to place that mobile phone signal is arranged and control center, tells control center with user profile (like ID number of this car-mounted terminal, householder's title etc.) and above-mentioned plaintext.Control center at first examines user profile after obtaining first plaintext and user profile, confirms whether user's engineering truck has satisfied unlocking condition, as whether continuing to pay dues.If continue to pay dues, then calculate the release time according to the situation that continues to pay dues.After control center confirms to carry out release to this terminal again; Go out second ciphertext 2345678901 with predefined with the same algorithm computation of car-mounted terminal according to the plaintext of receiving; And the release time (as 30 days) is edited into this second ciphertext rear end; Obtain 2345678901030, be the 3rd ciphertext.The related personnel is after obtaining the 3rd ciphertext; In the release effective time that limits, the 3rd ciphertext through being set, instrument is input in the car-mounted terminal; The cryptographic check module of engineering truck car-mounted terminal extracts second ciphertext and compares with first ciphertext that is kept in this storer from the 3rd ciphertext; If this second ciphertext and first ciphertext are in full accord, then the processor to car-mounted terminal sends the unlock command that comprises the release time, accomplishes release.After the release time finished, engineering truck was locked once more.Said locking is through electrical control actuator the mechanical arm of engineering truck or the locking of engine to be realized.
The present invention describes through some embodiment, but the invention is not restricted to these embodiment, knows those skilled in the art, under the situation that does not break away from the spirit and scope of the present invention, can carry out various changes or modification.
Claims (9)
1. an engineering truck emergency release method is characterized in that, said engineering truck emergency release method may further comprise the steps:
S1, the instrument that is provided with are connected with the car-mounted terminal of engineering truck and send the request plain-text instructions that the user imports to this car-mounted terminal; After car-mounted terminal receives this request plain-text instructions; The random number generating module of this car-mounted terminal produces first and expressly also shows; The encrypting module of this car-mounted terminal expressly calculates first ciphertext according to preset encryption algorithm based on said first simultaneously, and this first ciphertext is sent in the storer of car-mounted terminal and preserves;
S2, said first expressly is input to the user side communication apparatus by the user and reports to control center through this user side communication apparatus; Report ID number of car-mounted terminal of this project vehicle simultaneously to control center; Control center examines the record of paying the fees of engineering truck of this ID number car-mounted terminal; Control center is according to the situation of the paying the fees secure processing device encrypts time of the engineering truck of this ID number car-mounted terminal; And the encrypting module of control center calculates second ciphertext based on this first ciphertext that receives, the employing AES identical with car-mounted terminal and with the release time editing in second ciphertext; Generate the 3rd ciphertext, control center sends the 3rd ciphertext to user through the user side communication apparatus subsequently;
S3, said the 3rd ciphertext are through being provided with instrument input car-mounted terminal; The cryptographic check module of car-mounted terminal is extracted second ciphertext in the 3rd ciphertext; And with said second ciphertext be kept at storage first ciphertext wherein and compare; If above-mentioned second ciphertext and first ciphertext are identical, then extract the release time in the 3rd ciphertext and send unlock command to electrical control mechanism.
2. engineering truck emergency release method according to claim 1 is characterized in that, said S1 step also comprises:
S11, after the random number generating module of car-mounted terminal is sent expressly, the time block of the car-mounted terminal of engineering truck sets up the stand-by period on their own, this time block is not received ciphertext in the stand-by period, then sends to the processor of car-mounted terminal and abandons unlocking signal.
3. engineering truck emergency release method according to claim 1 is characterized in that, said S2 step also comprises:
S21, control center are write the service recorder this time of the engineering truck of this ID number car-mounted terminal in its corresponding account.
4. engineering truck emergency release method according to claim 3 is characterized in that, said first is the metric random number of nybble expressly.
5. engineering truck emergency release method according to claim 4 is characterized in that said display device is the display screen that instrument is set.
6. engineering truck emergency release system; Comprise control center, car-mounted terminal and communication base station; Said control center comprises and is used for setting up the communication apparatus that communication is connected through communication base station with the user side communication apparatus; Calculate the encrypting module of ciphertext according to the plaintext that receives, and the storer of storing subscriber information and the processor that is connected with control center each parts, said car-mounted terminal comprises the processor that is connected with each parts of terminal, after receiving unlock command to the electrical control mechanism of machine mandate; It is characterized in that said control system also comprises:
Instrument is set, is connected with the car-mounted terminal communication, also be used for the 3rd ciphertext of the control center that receives is input to car-mounted terminal with input request plain-text instructions and first plaintext that shows that car-mounted terminal sends,
The user side communication apparatus is used for setting up communication through communication base station with control center and is connected,
Control center and car-mounted terminal all are provided with the cryptographic processing module.
7. engineering truck emergency release according to claim 6 system is characterized in that said cryptographic processing module comprises:
The random number generating module is used for producing expressly,
Encrypting module is used for calculating ciphertext according to the plaintext that the random number generating module produces,
The cryptographic check module, control center's second ciphertext that is used for relatively receiving and first ciphertext that is stored in memory module,
Time block is used for sending expressly the back at car-mounted terminal and sets the stand-by period, exceeds the stand-by period to send to processor and abandon unlocking signal.
8. engineering truck emergency release according to claim 6 system is characterized in that, the plaintext that said random number generating module produces is the random number of nybble.
9. engineering truck emergency release according to claim 6 system is characterized in that said car-mounted terminal also comprises communication module and GPS module.
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| CN103412500A (en) * | 2013-08-26 | 2013-11-27 | 广西柳工机械股份有限公司 | Engineering mechanical equipment locking method |
| CN103921762A (en) * | 2013-01-11 | 2014-07-16 | 深圳市伊爱高新技术开发有限公司 | Emergent unlocking device and emergent unlocking method of heavy mechanical vehicle |
| CN105187438A (en) * | 2015-09-25 | 2015-12-23 | 北汽福田汽车股份有限公司 | Equipment authorization method, device and system |
| CN106194473A (en) * | 2015-04-29 | 2016-12-07 | 陕西中交天健车联网信息技术有限公司 | Engine of heavy-duty car ECU emergency unlocking device and method thereof |
| CN107306271A (en) * | 2016-04-19 | 2017-10-31 | 斗山英维高株式会社 | The safety protection device and security method of engineering machinery |
| CN110027504A (en) * | 2018-01-11 | 2019-07-19 | 陕西汽车集团有限责任公司 | A kind of method and apparatus of long-range releasing engine of heavy-duty car ECU car locking function |
| CN110310392A (en) * | 2019-05-22 | 2019-10-08 | 平安科技（深圳）有限公司 | Unlocking method of vehicle, device, computer equipment and storage medium |
| CN114559900A (en) * | 2022-03-21 | 2022-05-31 | 潍柴动力股份有限公司 | Terminal emergency unlocking method and device and motor vehicle |
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| CN110027504A (en) * | 2018-01-11 | 2019-07-19 | 陕西汽车集团有限责任公司 | A kind of method and apparatus of long-range releasing engine of heavy-duty car ECU car locking function |
| CN110310392A (en) * | 2019-05-22 | 2019-10-08 | 平安科技（深圳）有限公司 | Unlocking method of vehicle, device, computer equipment and storage medium |
| CN114559900A (en) * | 2022-03-21 | 2022-05-31 | 潍柴动力股份有限公司 | Terminal emergency unlocking method and device and motor vehicle |
| CN114559900B (en) * | 2022-03-21 | 2023-05-23 | 潍柴动力股份有限公司 | Terminal emergency unlocking method and device and motor vehicle |
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