CN105510947A - Vehicle-mounted positioning terminal and vehicle-mounted positioning method - Google Patents
Vehicle-mounted positioning terminal and vehicle-mounted positioning method Download PDFInfo
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- CN105510947A CN105510947A CN201510856495.2A CN201510856495A CN105510947A CN 105510947 A CN105510947 A CN 105510947A CN 201510856495 A CN201510856495 A CN 201510856495A CN 105510947 A CN105510947 A CN 105510947A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
- G01S19/46—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement the supplementary measurement being of a radio-wave signal type
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Abstract
The invention discloses a vehicle-mounted positioning terminal and a vehicle-mounted positioning method. The vehicle-mounted positioning terminal includes a GPS hardware module, a communication hardware module and a central control module; the central control module comprises a GPS unit, a communication unit and a business logic unit; the business logic unit is used for judging whether to switch on the GPS hardware module according to the switching-off period of the GPS hardware module and obtained motion parameters of the vehicle-mounted positioning terminal; the GPS hardware module is sue for acquiring the positioning information of a location where the vehicle-mounted positioning terminal is located in an operating period; the business logic unit is used for obtaining the positioning information acquired by the GPS hardware module and processing the positioning information, and transmitting processing information to the communication hardware module; and the communication hardware module is used for transmitting the information processed by the business logic unit to an external communication server or a mobile terminal. With the vehicle-mounted positioning terminal and the vehicle-mounted positioning method of the invention adopted, the problem of short standby and shorter working time of an existing vehicle-mounted positioning terminal can be solved, and the consumption of a power source can be decreased, longer tracking time can be realized.
Description
Technical field
The present invention relates to vehicle positioning technical field, particularly relate to a kind of on-vehicle positioning terminal and vehicle positioning method.
Background technology
Along with the fast development of Internet of Things, car networking has become the important component part of Internet of Things.Utilize radio communication and network technology, and the perception device of advanced person, automobile various information is gathered, analyzes, processed, realizes the effective management to vehicle and efficiency utilization.Vehicle carried pick device is the visual plant of the collection realizing vehicle geographical location information, mainly completes car tracing and layout of roads.Geographical location information and electronic chart are combined, can draw real time position and the historical track of vehicle, be vehicle monitoring and antitheft high-tech product.
At present, generally use vehicle carried pick device, power consumption is very large, must access vehicle powering system, the long-time continuous firing of ability, and antenna is separated with vehicle carried pick device, needs to be installed to car roof, makes the installation of vehicle carried pick device be subject to great restriction.In particular application such as police, criminal investigations, require the easy for installation of vehicle carried pick device and reliable rapidly, and require that there is extremely strong disguise, not easily found by suspect.Can not re-use vehicle power for meeting these demand vehicle carried pick devices, and adopt from charged pool, and gps antenna is also integrated into on-vehicle positioning terminal inside.Because the volume of vehicle carried pick device limits, carry battery capacity by smaller, the working time of vehicle carried pick device cannot be ensured, general 3 to 5 hours batteries just approach exhaustion.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of on-vehicle positioning terminal and vehicle positioning method, solves the problem that on-vehicle positioning terminal is standby and the working time is short, provides longer tracking time.
First aspect, embodiments provides a kind of on-vehicle positioning terminal, comprising: GPS hardware module, communications hardware modules and central control module;
Described central control module embeds in central processing unit, comprises GPS unit, communication unit and service logic unit;
Described service logic unit, for the kinematic parameter according to the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module;
Described GPS hardware module, for gathering the locating information of on-vehicle positioning terminal position within the cycle of operation;
Service logic unit is connected with GPS unit and communication unit respectively, also for being obtained the locating information that GPS hardware module gathers by GPS unit, and processes the information obtained, the information after process is sent to communications hardware modules by communication unit;
Described communications hardware modules, for sending to outside communication server or mobile terminal by the information of service logic cell processing by network.
Second aspect, the embodiment of the present invention additionally provides a kind of method of vehicle positioning, and described method comprises:
Service logic unit, according to the kinematic parameter of the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module;
If judge to open GPS hardware module, if GPS hardware module obtains locating information within the cycle of operation, then locating information is sent to service logic unit, and switch to " shut " mode";
Service logic unit controls communications hardware modules capacity operation, the locating information after process is sent to communications hardware modules, and the locating information that service logic unit sends is sent to communication server by network by communications hardware modules; Described communications hardware modules and central processing unit switch to low power operation.
A kind of on-vehicle positioning terminal that the embodiment of the present invention provides and vehicle positioning method, service logic unit can be opened and closedown according to the motion state control GPS hardware module of the closedown cycle of GPS hardware module and on-vehicle positioning terminal, GPS hardware module is made at every moment not to be in the state opened, reduce the consumption of power supply, the problem that on-vehicle positioning terminal is standby and the working time is short can be solved, longer tracking time is provided.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structured flowchart of a kind of on-vehicle positioning terminal that the embodiment of the present invention one provides;
Fig. 2 is a kind of vehicle monitoring system structured flowchart that the embodiment of the present invention one provides;
Fig. 3 is the process flow diagram of a kind of vehicle positioning method that the embodiment of the present invention two provides;
Fig. 4 is the process flow diagram of a kind of vehicle positioning method that the embodiment of the present invention three provides;
Fig. 5 is the process flow diagram of a kind of vehicle positioning method that the embodiment of the present invention four provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Embodiment one
The structured flowchart of a kind of on-vehicle positioning terminal that Fig. 1 provides for the embodiment of the present invention one; As shown in Figure 1, comprising: GPS hardware module 11, communication (GSM) hardware module 12 and central control module 13;
Described central control module 13 embeds in central processing unit, comprises GPS unit 131, communication (GSM) unit 132 and service logic unit 133.
Wherein, described service logic unit 133, for the kinematic parameter according to the closedown cycle of GPS hardware module 11 and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module 11.
Described GPS hardware module 11, for gathering the locating information of on-vehicle positioning terminal position within the cycle of operation.
Service logic unit 133 is connected with GPS unit 131 and GSM unit 132 respectively, also for being obtained the locating information that GPS hardware module 11 gathers by GPS unit 131, and the information obtained is processed, the information after process is sent to GSM hardware module 12 by GSM unit 132; Wherein, service logic unit 133 is communicated with GPS hardware module 11 or GSM hardware module 12 by AT instruction.
Described GSM hardware module 12, sends to outside communication server 14 or mobile terminal for the information processed by service logic unit 133 by network.Wherein, described GSM hardware module 12 communicates based on gsm protocol.
In the present embodiment, described service logic unit 133, also determines the described closedown cycle for arrange in number of days the motion state be in the identical time period with current time before current time according to the cycle number of times static continuously before current time of the current motion state of on-vehicle positioning terminal, on-vehicle positioning terminal and on-vehicle positioning terminal.
Described service logic unit, also for determining the described cycle of operation according to the number of times of the motion state of on-vehicle positioning terminal within the closedown cycle and on-vehicle positioning terminal continuous no-fix before current time.
On the basis of above-described embodiment, described central control module also comprises: network element 134, acceleration transducer unit 135, serial port unit 136, parameter storage unit 137, protocol encapsulation unit 138 and I/O (IO) unit 139.
Wherein, described network element 134, for the break-make of network between control GSM hardware module 12 and the communication server 14 of outside and the monitoring to network;
Described acceleration transducer unit 135 is connected, for realizing the communication with acceleration transducer 15 with outside acceleration transducer 15; Wherein, the kinematic parameter of the on-vehicle positioning terminal that the acceleration transducer 15 of outside obtains is sent to service logic unit 133 by acceleration transducer unit 135, with the motion state making service logic unit 133 judge on-vehicle positioning terminal.
Described serial port unit 136, for arranging and obtain the parameter in on-vehicle positioning terminal; Wherein, serial port unit 136 carries out alternately, carrying out arranging and obtain parameter in on-vehicle positioning terminal with scheduling and planning personnel by universal asynchronous receiving-transmitting transmitter (UART).
Described parameter storage unit 137, for reading the parameter obtained and preserve;
Described protocol encapsulation unit 138, for encapsulation and the parsing of communications protocol; Wherein, protocol encapsulation unit package with resolve agreement after gsm protocol.
Described I/O cell 139 is connected, for the pilot lamp of transport service logical block to outside or the steering order of alarm contact with outside pilot lamp or alarm contact by the IO port one 6 of on-vehicle positioning terminal.Wherein, I/O cell is also for the initial setting up to the hardware in on-vehicle positioning terminal.
Described service logic unit 133 respectively with network element 134, acceleration transducer unit 135, parameter storage unit 137, protocol encapsulation unit 138, serial port unit 136 is connected with I/O cell 139, also for network element 134, acceleration transducer unit 135, parameter storage unit 137, protocol encapsulation unit 138, the management of serial port unit 136 and I/O cell 139.
Wherein, store No. ID that on-vehicle positioning terminal is unique in central control module 13, described No. ID can be arranged by PC, wherein arranges the serial port unit 136 be conveyed through in PC serial ports 17 and central control module of middle data and instruction.
In the present embodiment, adopt the technology of house dog, to crash the problem that can not position to solve on-vehicle positioning terminal under extremely severe running environment.The information such as the setting of on-vehicle positioning terminal, state can be saved in flash memory (Flash) 18 by service logic unit 133, can correctly recover from mistake during to ensure that central control module 13 is restarted.
Fig. 2 is a kind of vehicle monitoring system structured flowchart that the embodiment of the present invention provides, and includes above-mentioned on-vehicle positioning terminal, and wherein, on-vehicle positioning terminal is generally arranged on automobile, motorcycle, electric motor car, bicycle, and the SIM card of transmission information is equipped with in inside.As shown in Figure 2, described vehicle monitoring system comprises on-vehicle positioning terminal 21, communication server 22, PC monitoring client 23, mobile terminal 24, locating information database 25 and base station information database 26.Wherein, communication server 22, after receiving locating information that on-vehicle positioning terminal 21 sends, being saved in locating information database 25 through resolving, and the locating information resolved being handed down to each on-line monitoring terminal (comprising PC monitoring client 23 and mobile terminal 24).Locating information database 25, for preserving car-mounted terminal information, locating information and user profile etc.Base station information database 26, for preserving movement, UNICOM's base station information in the whole nation, comprises longitude and latitude, positional information etc.When on-vehicle positioning terminal obtains less than locating information, the information of the base station nearest with on-vehicle positioning terminal 21 position can be obtained, the information of base station is sent to communication server 22, communication server 22 processed after and according to the base station information in base station information database 26, obtain the latitude and longitude information of base station, latitude and longitude of base station information is sent to each monitoring client, as PC monitoring client 23 or mobile terminal 24.
Authorized user can carry out remote monitoring by PC end monitoring software at PC monitoring client 23 and arrange the parameter of on-vehicle positioning terminal; Authorized user also can carry out remote monitoring by APP software and arrange the parameter of on-vehicle positioning terminal on mobile terminal 23; Authorized user can also check the states such as the position of on-vehicle positioning terminal by note form, also can be arranged the parameter of on-vehicle positioning terminal by note.
Embodiments provide a kind of on-vehicle positioning terminal, service logic unit can be opened and closedown according to the motion state control GPS hardware module of the closedown cycle of GPS hardware module and on-vehicle positioning terminal, GPS hardware module is made at every moment not to be in the state opened, reduce the consumption of power supply, the problem that on-vehicle positioning terminal is standby and the working time is short can be solved, longer tracking time is provided.
Embodiment two
Fig. 3 is the process flow diagram of a kind of vehicle positioning method that the embodiment of the present invention two provides; Described method is performed by above-mentioned on-vehicle positioning terminal, and as shown in Figure 3, described method comprises:
S301: service logic unit, according to the kinematic parameter of the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module.
In the present embodiment, under on-vehicle positioning terminal normal operation mode, GPS hardware module no longer capacity operation, the GPS hardware module period that dynamic rate is run entirely is the cycle of operation, and it is the closedown cycle that GPS hardware module closes the period.
When GPS hardware module close the cycle then after, service logic unit is according to the kinematic parameter of the on-vehicle positioning terminal obtained, judge the motion state of on-vehicle positioning terminal within the GPS hardware module closedown cycle, according to the motion state of on-vehicle positioning terminal, judge whether to open GPS hardware module.Wherein, the kinematic parameter of on-vehicle positioning terminal is obtained by acceleration transducer, and kinematic parameter is sent to service logic unit by the acceleration transducer unit in locating terminal.
In the present embodiment, by data mining technology, determine the closedown cycle of GPS hardware and the cycle of operation of GPS hardware.The described closedown cycle, to be service logic unit arranged in number of days according to the cycle number of times static continuously before current time of the current motion state of on-vehicle positioning terminal, on-vehicle positioning terminal and on-vehicle positioning terminal the motion state be in current time in same time section before current time, determined by following formula; T
close=T0+f (z) × [f (x) × T1+f (y) × T2];
Wherein, T
closefor closing the cycle; T0 is constant, and represent the minimum shut-in time of the GPS hardware module of on-vehicle positioning terminal, T0 is preferably 5 minutes; Z represents the motion state that on-vehicle positioning terminal is current, and when z represents that on-vehicle positioning terminal is stationary state, f (z) is 1; When z represents that on-vehicle positioning terminal is motion state, f (z) is 0, and that is when on-vehicle positioning terminal moves, the GPS hardware module shut-in time gets minimum value, and when on-vehicle positioning terminal is static, the time that GPS hardware is closed can extend; T1 is constant, and T1 is preferably 1.
About T
closein formula, x is the cycle times that on-vehicle positioning terminal is static continuously before current time; When x is 0, f (x) is 0; When x is 1 or 2, f (x) is 1; When x is 3,4 or 5, f (x) is 2; When x is greater than 5, f (x) is 3.5.Such as, the closedown cycle is 5 minutes, and current time is 6:00, and in the time between 5:40-6:00, on-vehicle positioning terminal remains and is in static state, then the cycle times that on-vehicle positioning terminal is static continuously before current time is 4 times, so at calculating T
closein formula, x is 4, f (x) is 2.And when closing GPS hardware module each time, if on-vehicle positioning terminal is in static state, then static continuously cycle times increases by 1, otherwise by clear for cycle times static continuously 0.The cycle times that on-vehicle positioning terminal is static is continuously more, can think that to be in long term stop shape probability of state larger, and the time that GPS hardware module is closed is longer.When cycle times static is continuously more than 5 times, think that it is in long term stop state, f (x) is maximal value.Wherein, the value of f (x) is by experimental data gained.
At T
closein formula, y represents set number of days before being arranged in current time, on-vehicle positioning terminal is being in number of days static in the identical time period with current time, the number of days of setting is preferably 30 days, on-vehicle positioning terminal every 20 minutes as a time period, one day is divided into 3 × 24 time periods, record the motion state of each period of before adding up current time 30 days.When y is less than 5, f (y) is 0; When y is more than or equal to 5 and is less than 10, f (y) is 1.5; When y is more than or equal to 10 and is less than 15, f (y) is 2.5; When y is more than or equal to 15 and is less than or equal to 30, f (y) is 3.5, and wherein, the number of days that section was static at one time in before current time 30 days is more, thinks that on-vehicle positioning terminal is in the larger of the probability of long inactivity.The value of f (y) is by experimental data gained.T2 is constant, and T2 is preferably 1.
In the present embodiment, the described cycle of operation is determined by following formula: T
open=f (a) × f (b) × T1; Wherein, T
openrepresent the cycle of operation, a represents the motion state of on-vehicle positioning terminal within the closedown cycle, and when a is expressed as stationary state, f (a) is 0, when a be expressed as move time, f (a) is 1; B represents the number of times of on-vehicle positioning terminal continuous no-fix before current time, when the value of b is between 0 to 5, and f (b)=1+0.2 × b; When b is more than or equal to 6, f (b) is 1, wherein, when the continuous no-fix number of times of on-vehicle positioning terminal is not more than 5 times, often increases once uncertain number of times, will increase certain GPS hardware module opening time, to increase the possibility of location; If represent temporarily do not possess positioning states when the continuous no-fix number of times of on-vehicle positioning terminal is more than 5 times, the GPS hardware module opening time will be reduced.T1 is constant, and T1 is preferably 5 minutes.
S302: if judge to open GPS hardware module, then judge whether GPS hardware module obtains locating information within the cycle of operation.
If so, then perform S303, S304 and S305, if not, then perform S306 and S307.
Locating information is sent to service logic unit by S303:GPS hardware module, and switches to " shut " mode".
In the present embodiment, if GPS hardware module is in the state opened, the locating information of on-vehicle positioning terminal position can be obtained, when on-vehicle positioning terminal is in the more weak place of signal, easily occur the situation of no-fix.Service logic unit can judge whether GPS hardware module obtains locating information within the cycle of operation, if the locating information of obtaining, then locating information is sent service logic unit by GPS unit by GPS hardware module, and GPS hardware module switches to " shut " mode".Wherein, when the time that GPS hardware module obtains locating information is less than the time of the cycle of operation, after the locating information of acquisition is sent to service logic unit by GPS hardware module, also " shut " mode" is switched to, as, if the cycle of operation is 5 minutes, GPS hardware module just obtained locating information at 3 minutes after opening, just switch to " shut " mode" after locating information being sent, do not need to wait for switching to " shut " mode" again in remaining 2 minutes.
S304: service logic unit controls GSM hardware module capacity operation, sends to GSM hardware module by the locating information after process.
The locating information that service logic unit sends is sent to communication server by network by S305:GSM hardware module; Described GSM hardware module and central processing unit switch to low power operation.
In the present embodiment, after service logic unit receives the locating information of GPS hardware module transmission, control GSM hardware module capacity operation, locating information is processed, locating information after process is stored on the one hand, on the other hand the locating information after process is sent to GSM hardware module, the locating information that service logic unit sends is sent to communication server by network by GSM hardware module, and GSM hardware module and central processing unit switch to low power operation.Locating information stores by communication server, and when user uses mobile terminal or the positional information of PC monitoring client to on-vehicle positioning terminal is inquired about, communication server inquires about corresponding locating information, and locating information is sent to mobile terminal or PC monitoring client.
S306: obtain the base station information nearest with on-vehicle positioning terminal.
If on-vehicle positioning terminal there is no locating information, obtain the base station position information that distance on-vehicle positioning terminal is nearest, base station position information contains latitude and longitude information etc.
S307: the base station information after process is sent to communication server by network by service logic unit.
In the present embodiment, the information of service logic unit to the base station received resolves process, and the base station information after process is sent to communication server, and base station information stores by communication server.The information of base station and the information of the longitude and latitude corresponding with base station information is stored in communication server.
When user uses the positional information of mobile terminal or PC monitoring client inquiry on-vehicle positioning terminal, the positional information (latitude and longitude information) that communication server inquires about corresponding base station sends to mobile terminal or the PC monitoring client of user.By above-mentioned method, the information obtaining the base station nearest with on-vehicle positioning terminal just can understand the positional information of on-vehicle positioning terminal.
It should be noted that, when on-vehicle positioning terminal is started shooting, GSM hardware module needs capacity operation, connects with communication server, logs in and uploads the original state of on-vehicle positioning terminal; Then close the connection with communication server, switch to the pattern of low power operation.
On the basis of above-described embodiment, when user is not high to positioning accuracy request, GPS hardware module can be extended and close the cycle and extend the time of GSM hardware module and CPU low power operation.
When the accuracy requirement of user to location is higher, GPS hardware module capacity operation all the time, obtains a GPS locating information every 1S, locating information is preserved; GSM hardware module capacity operation all the time, the moment keeps the connection with communication server, and interval 5S-60S uploads one-time positioning information, the order that reception PC monitoring client or mobile terminal send.By the method, the position of acquisition on-vehicle positioning terminal that can be more accurately real-time.
When on-vehicle positioning terminal is in standby mode of operation, GPS hardware module and gps antenna are all closed, and GSM hardware module and CPU all enter low power operation.Like this when standby mode of operation, not only can will, to minimum, stand-by time be increased greatly power consumption.
Embodiments provide a kind of vehicle positioning method, service logic unit can be opened and closedown according to the motion state control GPS hardware module of the closedown cycle of GPS hardware module and on-vehicle positioning terminal, GPS hardware module is made at every moment not to be in the state opened, reduce the consumption of power supply, the problem that on-vehicle positioning terminal is standby and the working time is short can be solved, longer tracking time is provided.
Embodiment three
Fig. 4 is the method flow diagram of a kind of vehicle positioning that the embodiment of the present invention three provides; On the basis of above-described embodiment two, described service logic unit, according to the kinematic parameter of the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module, preferably includes:
Within the closedown cycle of GPS hardware module, service logic unit, according to the kinematic parameter of the on-vehicle positioning terminal obtained, judges whether on-vehicle positioning terminal moves, if moved, then judges to open GPS hardware module; If do not moved, then judge to close GPS hardware module.
Thus, by the ruuning situation of on-vehicle positioning terminal, judge whether to open GPS hardware module, the consumption of power supply can be saved.
If do not moved, after then judging to close GPS hardware module, also perform following operation: service logic unit controls GSM hardware module capacity operation, by last time, the time of locating information changed to current time, and the locating information after change is sent to communication server by GSM hardware module.
Thus, when on-vehicle positioning terminal does not move, still close GPS hardware module, and send after the locating information of last time is changed to current time, can while the consumption of saving power supply, monitoring client also can be made to understand the positional information of on-vehicle positioning terminal.
Based on above-mentioned optimization, as shown in Figure 4, the technical method that provides of the embodiment of the present invention is specific as follows:
S401: within the closedown cycle of GPS hardware module, service logic unit, according to the kinematic parameter of the on-vehicle positioning terminal obtained, judges whether on-vehicle positioning terminal moves.
In the present embodiment, illustrate, if the closedown cycle of GPS hardware module is 5 minutes, then service logic unit obtains the kinematic parameter in these 5 minutes, judges whether on-vehicle positioning terminal moves in these 5 minutes.
If moved, then perform S402, S403, S404, S405, S406 and S407.If do not moved, then perform S408 and S409.
S402: judge to open GPS hardware module, then judge whether GPS hardware module obtains locating information within the cycle of operation.
If so, then perform S403, S404 and S405, if not, then perform S406 and S407.
Locating information is sent to service logic unit by S403:GPS hardware module, and switches to " shut " mode".
S404: service logic unit controls GSM hardware module capacity operation, sends to GSM hardware module by the locating information after process;
The locating information that service logic unit sends is sent to communication server by network by S405:GSM hardware module; Described GSM hardware module and central processing unit switch to low power operation.
S406: obtain the base station information nearest with on-vehicle positioning terminal.
S407: the base station information after process is sent to communication server by network by service logic unit.
S408: judge to close GPS hardware module.
S409: service logic unit controls GSM hardware module capacity operation, by last time, the time of locating information changed to current time, and the locating information after change is sent to communication server by GSM hardware module.
In the present embodiment, if on-vehicle positioning terminal does not move, in order to save the consumption of power supply, still close GPS hardware module.Now, because the positional information of on-vehicle positioning terminal does not change, do not need to upgrade positional information, so the motion of service logic unit controls GSM hardware module total power, the locating information of last time is changed to the current time, the locating information after change is sent to communication server.User just can carry out the inquiry of on-vehicle positioning terminal positional information by mobile terminal or PC monitoring client from communication server.
Implement four
Fig. 5 is the process flow diagram of a kind of vehicle positioning method that the embodiment of the present invention four provides; On the basis on the basis three of above-described embodiment, if service logic unit receives the query statement from customer mobile terminal, at described service logic unit controls GSM hardware module capacity operation, locating information after process is sent to GSM hardware module, after the locating information that service logic unit sends by GSM hardware module sends to communication server by network, also perform following operation:
Locating information is sent to the mobile terminal of user by service logic unit with the form of note according to the instruction of the user received.
After the base station position information after process is sent to communication server by network by described service logic unit, also perform following operation:
Base station relevant information is sent to the mobile terminal of user by service logic unit with the form of note according to the user instruction received.
Thus, as shown in Figure 5, the technical scheme that provides of the embodiment of the present invention is specific as follows:
S501: within the closedown cycle of GPS hardware module, service logic unit, according to the kinematic parameter of the on-vehicle positioning terminal obtained, judges whether on-vehicle positioning terminal moves.
If moved, then perform S502, S503, S504, S505, S506, S507, S508 and S509.If do not moved, then perform S510 and S511.
S502: judge to open GPS hardware module, then judge whether GPS hardware module obtains locating information within the cycle of operation.
If so, then perform S503, S504, S505 and S506, if not, then perform S507, S508 and 509.
Locating information is sent to service logic unit by S503:GPS hardware module, and switches to " shut " mode".
S504: service logic unit controls GSM hardware module capacity operation, sends to GSM hardware module by the locating information after process.
The locating information that service logic unit sends is sent to communication server by network by S505:GSM hardware module; Described GSM hardware module and central processing unit switch to low power operation.
In the present embodiment, after locating information processes by service logic unit, locating information can be preserved, and send to GSM hardware module.
S506: locating information is sent to the mobile terminal of user by service logic unit with the form of note according to the instruction of the user received.
In the present embodiment, the command information of user is the command information that user inquires about on-vehicle positioning terminal position.When service logic unit receives the instruction of user, GPS hardware module is in the closedown cycle, then the locating information that the last time preserves by service logic unit is sent to the mobile terminal of user with the form of note.When service logic unit receives the instruction of user, GPS hardware module to be in the cycle of operation and to obtain locating information, then GPS hardware module is sent to service logic unit and locating information after service logic cell processing is sent to the mobile terminal of user with the form of note.
Wherein, have two kinds in note, one is text description, directly describes on-vehicle positioning terminal position with place form.Another kind is the form of map links, and containing a URL(uniform resource locator) (URL) in note, user can open with browser, and what present to user is an Online Map provided by Map Services business, and marks the position of on-vehicle positioning terminal.
S507: obtain the base station information nearest with on-vehicle positioning terminal.
S508: the information of the base station after process is sent to communication server by network by service logic unit.
S509: the relevant information of base station is sent to the mobile terminal of user by service logic unit with the form of note according to the user instruction obtained.
In the present embodiment, the relevant information of base station comprises: the latitude and longitude information of base station and the identification information of base station.If on-vehicle positioning terminal can be connected with communication server, service logic unit obtains the latitude and longitude information of the base station corresponding with base station position information from communication server according to the user instruction information obtained, the latitude and longitude information of base station is sent to the mobile terminal of user with the form of note.If on-vehicle positioning terminal can not obtain the locating information of base station from communication server, then generate the mobile terminal that a URL sends to user, this URL is no longer parameter with longitude and latitude but with the identification information of base station for parameter, be linked to architecture service provider website, user directly can open URL by browser, checks base station position information.
S510: judge to close GPS hardware module.
S511: service logic unit controls GSM hardware module capacity operation, by last time, the time of locating information changed to current time, and the locating information after change is sent to communication server by GSM hardware module.
The method of a kind of vehicle positioning that the embodiment of the present invention provides, by service logic unit, the locating information of on-vehicle positioning terminal or the base station relevant information nearest with on-vehicle positioning terminal are sent to the mobile terminal of user, user can be made to obtain the positional information of on-vehicle positioning terminal easily.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (11)
1. an on-vehicle positioning terminal, is characterized in that, comprising: GPS hardware module, communications hardware modules and central control module;
Described central control module embeds in central processing unit, comprises GPS unit, communication unit and service logic unit;
Described service logic unit, for the kinematic parameter according to the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module;
Described GPS hardware module, for gathering the locating information of on-vehicle positioning terminal position within the cycle of operation;
Service logic unit is connected with GPS unit and communication unit respectively, also for being obtained the locating information that GPS hardware module gathers by GPS unit, and processes the information obtained, the information after process is sent to communications hardware modules by communication unit;
Described communications hardware modules, for sending to outside communication server or mobile terminal by the information of service logic cell processing by network.
2. terminal according to claim 1, is characterized in that:
Described service logic unit, also determines the described closedown cycle for arrange in number of days the motion state be in the identical time period with current time before current time according to the cycle number of times static continuously before current time of the current motion state of on-vehicle positioning terminal, on-vehicle positioning terminal and on-vehicle positioning terminal;
Described service logic unit, also for determining the described cycle of operation according to the number of times of the motion state of on-vehicle positioning terminal within the closedown cycle and on-vehicle positioning terminal continuous no-fix before current time.
3. terminal according to claim 1, is characterized in that, described central control module also comprises: network element, acceleration transducer unit, serial port unit, parameter storage unit, protocol encapsulation unit and I/O unit;
Described network element, for controlling the break-make of network between communications hardware modules and the communication server of outside and the monitoring to network;
Described acceleration transducer unit is connected, for realizing the communication with acceleration transducer with outside acceleration transducer;
Described serial port unit, for arranging and obtain the parameter in on-vehicle positioning terminal;
Described parameter storage unit, for reading the parameter obtained and preserve;
Described protocol encapsulation unit, for encapsulation and the parsing of communications protocol;
Described I/O unit is connected, for the pilot lamp of transport service logical block to outside or the steering order of alarm contact with outside pilot lamp or alarm contact by the input/output end port of on-vehicle positioning terminal;
Described service logic unit respectively with network element, acceleration transducer unit, parameter storage unit, protocol encapsulation unit, serial port unit is connected with I/O unit, also for network element, acceleration transducer unit, parameter storage unit, protocol encapsulation unit, the management of serial port unit and I/O unit.
4. terminal according to claim 1, is characterized in that, described communications hardware modules communicates based on gsm protocol.
5. a method for vehicle positioning, adopt the arbitrary described on-vehicle positioning terminal of claim 1-4 to perform, it is characterized in that, described method comprises:
Service logic unit, according to the kinematic parameter of the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether to open GPS hardware module;
If judge to open GPS hardware module, if GPS hardware module obtains locating information within the cycle of operation, then locating information is sent to service logic unit, and switch to " shut " mode";
Service logic unit controls communications hardware modules capacity operation, sends to communications hardware modules by the locating information after process; The locating information that service logic unit sends is sent to communication server by network by communications hardware modules; Described communications hardware modules and central processing unit switch to low power operation.
6. method according to claim 5, it is characterized in that, the described closedown cycle, to be service logic unit arranged in number of days according to the cycle number of times static continuously before current time of the current motion state of on-vehicle positioning terminal, on-vehicle positioning terminal and on-vehicle positioning terminal the motion state be in current time in the identical time period before current time, determined by following formula; T
close=T0+f (z) × [f (x) × T1+f (y) × T2];
Wherein, T
closefor closing the cycle; T0 is constant, represents the minimum shut-in time of the GPS hardware module of on-vehicle positioning terminal; Z represents the motion state that on-vehicle positioning terminal is current, and when z is expressed as stationary state, f (z) is 1; When z is expressed as motion state, f (z) is 0; T1 is constant; X is the cycle times that on-vehicle positioning terminal is static continuously before current time; When x is 0, f (x) is 0; When x is 1 or 2, f (x) is 1; When x is 3,4 or 5, f (x) is 2; When x is greater than 5, f (x) is 3.5; Y represents and set in number of days before current time, and on-vehicle positioning terminal is being in number of days static in the identical time period with current time; When y is less than 5, f (y) is 0; When y is more than or equal to 5 and is less than 10, f (y) is 1.5; When y is more than or equal to 10 and is less than 15, f (y) is 2.5; When y is more than or equal to 15 and is less than or equal to 30, f (y) is 3.5; T2 is constant.
7. method according to claim 5, is characterized in that, the described cycle of operation is determined by following formula: T
open=f (a) × f (b) × T1;
Wherein, T
openrepresent the cycle of operation, a represents the motion state of on-vehicle positioning terminal within the closedown cycle, and when a represents stationary state, f (a) is 0, when a represent move time, f (a) is 1; B represents the number of times of on-vehicle positioning terminal continuous no-fix before current time, when the value of b is between 0 to 5, and f (b)=1+0.2 × b; When b is more than or equal to 6, f (b) is 1; T1 is constant.
8. the method according to any one of claim 5-7, is characterized in that, service logic unit, according to the motion state of the closedown cycle of GPS hardware module and the on-vehicle positioning terminal of acquisition, judges whether that opening GPS hardware module comprises:
Within the closedown cycle of GPS hardware module, according to the kinematic parameter of the on-vehicle positioning terminal obtained, judge whether on-vehicle positioning terminal moves, if moved, then judge to open GPS hardware module;
If do not moved, then judge to close GPS hardware module.
9. method according to claim 8, it is characterized in that, also comprise: if within the closedown cycle of GPS hardware module, on-vehicle positioning terminal does not move, then service logic unit controls communications hardware modules capacity operation, by last time, the time of locating information changed to current time, and the locating information after change is sent to communication server by communications hardware modules.
10. method according to claim 5, is characterized in that, also comprises, if GPS hardware module does not obtain locating information within the cycle of operation, then obtains the base station information nearest with on-vehicle positioning terminal;
Base station information after process is sent to communication server by network by service logic unit.
11. methods according to claim 10, is characterized in that, also comprise: base station relevant information is sent to the mobile terminal of user by service logic unit with the form of note according to the user instruction received.
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| CN105510947B (en) | 2018-02-13 |
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