CN103852769A - Positioning tracking device with powerful electricity saving function and electricity saving method of positioning tracking device with powerful electricity-saving function - Google Patents
Positioning tracking device with powerful electricity saving function and electricity saving method of positioning tracking device with powerful electricity-saving function Download PDFInfo
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- CN103852769A CN103852769A CN201310753242.3A CN201310753242A CN103852769A CN 103852769 A CN103852769 A CN 103852769A CN 201310753242 A CN201310753242 A CN 201310753242A CN 103852769 A CN103852769 A CN 103852769A
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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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/34—Power consumption
Abstract
The invention discloses a positioning tracking device with the powerful electricity saving function and an electricity saving method of the positioning tracking device with the powerful electricity saving function. The positioning tracking device works with two control modules different in frequency, and the control modules do not require continuous data access and data detection. Only when a sensor module or a battery is abnormal, can the auxiliary control module get into the normal mode, and after position data are sent to the main control module, the auxiliary control module can get into the sleep mode. After being aroused by the auxiliary control module to send the position data, the main control module can get into the sleep mode again. According to the positioning tracking device, the working time of the control modules in the sleep mode is prolonged to the maximum degree, the total energy consumption of the whole positioning tracking device is minimized, and meanwhile the service life of the battery is prolonged.
Description
Technical field
The present invention relates to a kind of positioning and tracking device, relate in particular to one and there is the electricity saving function positioning and tracking device of the degree of depth, also relate to the power-saving method for this positioning and tracking device simultaneously.
Background technology
Equipment tracker is generally used for monitoring and the tracking of container or train wagon.Conventional battery-driven equipment tracker, without any transmit in the situation that, the longlyest can accomplish stand-by time tens days.And in the time that equipment tracker is in running order, the continuous power consumption of peripheral operational module and sensor is difficult to ensure that equipment tracker works for a long time.Especially, for the container (train wagon) of depositing in for a long time harbour or warehouse for some, existing equipment tracker cannot be realized long-time tracking and the monitoring to container (train wagon).
Existing equipment tracker adopts the microcomputer development without operating system, conventionally only uses a main control chip, and periphery connects a few thing module and sensor.And the selection of main control chip frequency of operation need meet the maximum operation frequency of peripheral operational module and sensor.Therefore all must move with highest frequency when the every task of main control chip, and in the time that sensor ceaselessly has situation to occur, will cause master chip ceaselessly to move with highest frequency, make power consumption sharply increase.For the container (train wagon) of permanent placement, equipment tracker cannot work long hours.Therefore how equipment tracker is designed, reduce the loss of battery electric quantity, realization is long-time to container, and the even tracking of ultra-long time, monitoring and antitheft, be a problem demanding prompt solution.
In the Chinese utility model that is CN202838075U at notification number, a kind of positioning and tracking device of micro-power consumption is disclosed, comprise GPRS communication module, power circuit and CPU, connection between CPU and GPRS communication module, GPRS communication module and CPU are powered by power circuit, GPRS communication module is connected with the external circuit that reduces quiescent current, GPRS communication module is adjusted by CPU, control the dynamically time of transmitting, reduce the duration of dynamically large electric current, GPRS communication module regulates by CPU, control static duty, make it to cooperatively interact with GPRS communication module dynamical state, reduce quiescent current.In this utility model, adopt static power consumption and the dynamically power consumption of the GPRS communication module reducing, can reach the level of micro-power consumption.
Summary of the invention
For the deficiencies in the prior art, primary technical matters to be solved by this invention is to provide one to have the electricity saving function positioning and tracking device of the degree of depth.
Another technical matters to be solved by this invention is to provide a kind of power-saving method for this positioning and tracking device.Utilize the method can significantly reduce the power consumption of positioning and tracking device.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
One has the electricity saving function positioning and tracking device of the degree of depth, comprises main control module, from control module, battery, communication module, GPS locating module and at least one sensing module;
Described from control module be connected respectively with described GPS locating module, described sensing module and described battery; Described main control module and described communication module, be describedly connected respectively from control module and described battery.
Wherein more preferably, the frequency of operation of described main control module is greater than the described frequency of operation from control module.
Wherein more preferably, describedly adopt interrupt mode or polling mode to wake described main control module up from control module.
Wherein more preferably, described GPS locating module adopts the working method powering on, and is powered on from control module controls by described; Or described communication module adopts the working method powering on, and is powered on by described master control module controls.
Wherein more preferably, described sensing module is in low power mode of operation or power-down mode, and under predetermined condition to interrupt or the mode of timing is waken up described from control module.
Wherein more preferably, described positioning and tracking device comprises the described sensing module in low power mode of operation, and at least one described sensing module in power-down mode.
The present invention also provides a kind of power-saving method for above-mentioned positioning and tracking device, comprises following step:
Step 1: positioning and tracking device initialization, configuration effort parameter;
Step 2: main control module and from control module enter sleep pattern, communication module and GPS locating module enter power-down mode, sensing module enters low power mode of operation or power-down mode;
Step 3: described sensing module wakes up described from control module under predetermined condition, it is described from control module is waken up, judge whether to wake main control module up, being judged as need to wake main control module up time, described from control module wake described main control module up and make described GPS locating module enter mode of operation, then read the positional information of described GPS locating module, and be sent to after described main control module, finally return to sleep pattern and make described GPS locating module enter power-down mode, enter step 4; Being judged as while not needing to wake main control module up, return to step 2;
Step 4: described main control module is after being waken up, make described communication module enter mode of operation, and the described positional information from described GPS locating module is sent by described communication module, then return to sleep pattern and make described communication module power-off, return to step 2.
Wherein more preferably, in step 3, described sensing module under low power mode of operation, detect wake up with interrupt mode when abnormal described from control module; Or,
Described sensing module under power-down mode, described in timing wake-up from control module.
Wherein more preferably, in step 3, when the result detecting when described sensing module reaches default early warning value, be describedly judged as and need to wake main control module up from control module; Do not need to wake up main control module otherwise be judged as.
Wherein more preferably, described sensing module monitors the electric weight of battery when lower, the described time interval that can increase the periodic monitor of described sensing module from control module.
The main control module that proportion of the present invention is high and frequency low from control module, main control module is only responsible for data and is sent, and can ensure that like this more time of main control module that frequency is higher, in sleep state, has reduced the loss of electric energy.On this basis, peripherals is assigned to two control modules by frequency of operation and controls, and make control module for a long time in sleep pattern.External interrupt or inner timer by sensing module wake control module up.Compared with the tracker of single control module, the present invention can farthest increase the working time of control module under sleep pattern, realizes minimizing of positioning and tracking device total energy consumption, extends the life of a cell.In addition, in the present invention, first wake up be low frequency operation from control module, through from the simple logic judgement of control module, reach predetermined condition and just wake main control module up, make main control module than from control module for more time in sleep pattern, further promoted power savings.
Brief description of the drawings
Fig. 1 is the first embodiment schematic diagram of positioning and tracking device provided by the present invention;
Fig. 2 is the second embodiment schematic diagram of positioning and tracking device provided by the present invention;
Fig. 3 is the workflow diagram of positioning and tracking device provided by the present invention.
embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Referring to Fig. 1 and Fig. 2, positioning and tracking device provided by the present invention comprises main control module, from control module, battery, communication module, GPS locating module and one or more sensing module.Be connected with GPS locating module, sensing module and battery from control module; Main control module is connected with communication module, from control module and battery.Sensing module in Fig. 1 is the sensor of low power mode of operation, can work with low power for a long time, below describes as an example of acceleration transducer example.The second embodiment in Fig. 2 has increased the sensing module in power-down mode than the first embodiment in Fig. 1.The mode that this class sensing module powers on to it by start by set date or from control module is started working.Below describe as an example of temperature and humidity sensing module example.
Positioning and tracking device provided by the present invention comprises the peripherals such as two control modules, battery and GPRS communication module, GPS locating module, sensor assembly.Wherein in two control modules one be main control module, another be from control module; Main control module respectively with GPRS communication module, be connected from control module and battery, for carrying out the transmission of Monitoring Data; Be connected with GPS locating module, temperature and humidity sensing module, acceleration sensing module and battery respectively from control module, for monitoring and the collection of humiture, acceleration, battery and position data.
Main control module and from control module be the processor of different operating frequency.Select the relatively low processor of frequency from control module.With respect to the processor of high frequency, the low processor of process proportion of Monitoring Data processing is comparatively power saving.The high processor of frequency of operation is as main control module, the only transmission of responsible Monitoring Data.In the present invention, control module preferably adopts PIC series monolithic, and main control module and the frequency of operation from control module are respectively 32MHz and 8MHz.Main control module and while carrying out data interaction from control between module, can adopt the mode of interruption or polling mode to wake up mutually.Preferred interrupt mode in the present invention, it is with respect to the wake-up mode of poll, the better effects if of power saving, but according to service needed, selecting polling mode is also to realize well economize on electricity object.Certainly waking up of control module need to have affirmation mechanism: confirm when the other side can receive data just can send, otherwise easy obliterated data.
For the selection of control module peripherals, need to be by the same control module management of transferring to identical or close frequency of operation.In the present invention, from relatively low GPS locating module, temperature and humidity sensing module and the acceleration sensing module of control module controls frequency of operation.Main control module is controlled the GPRS communication module that frequency of operation is larger.Generally, to enter the effect of longer power saving of sleep pattern time more obvious for control module.In the present invention, in the time need to carrying out data transmission from control module in the time that sensor detects the data exception of data or battery, just enter mode of operation from control module.After data are sent, main control module can enter again sleep pattern.The main control module high for frequency, only responsible data send, and can ensure that like this more time of main control module that frequency is higher, in sleep state, has reduced the loss of electric energy.
Introduce the workflow of this positioning and tracking device and the concrete implementation step of power-saving method thereof below in conjunction with Fig. 3.
Step 1: positioning and tracking device initialization, configuration effort parameter.First need positioning and tracking device to carry out initialization.Until main control module with from control module powers on, start to carry out initialization.In initialization procedure, need to set main control module and the running parameter from control module, and by corresponding parameter synchronization in the respective peripheral device of configuration.The running parameter arranging comprises the correlation parameters such as battery, humiture and acceleration transducer.Early warning value, the early warning value of humiture and early warning value of acceleration that for example cell voltage changes etc.When detecting that parameter exceedes early warning value, can process accordingly from control module.By setting running parameter, early warning value is arranged to height, can make in most of situation from the work of control module, and not need to wake up main control module.But early warning value setting should be according to service needed adjustment, ensure to occur waking in time main control module up while variation at running parameter.Therefore, the setting of early warning value need to ensure under the prerequisite of service needed, allows the state of more time of main control module in dormancy as far as possible, reduces electric energy loss.
Step 2: main control module and from control module enter sleep pattern, communication module and GPS locating module enter power-down mode, sensing module enters low power mode of operation or power-down mode.
Step 3: sensing module wakes up from control module under predetermined condition, from control module is waken up, judge whether to wake main control module up, being judged as need to wake main control module up time, wake main control module up and make GPS locating module enter mode of operation from control module, then read the positional information of GPS locating module, and be sent to after main control module, finally return to sleep pattern and make GPS locating module enter power-down mode, enter step 4; Being judged as while not needing to wake main control module up, return to step 2;
Step 4: main control module, after being waken up, makes communication module enter mode of operation, and will send by communication module from the positional information of GPS locating module, then return to sleep pattern and make communication module power-off, return to step 2.
Particularly, after initial work completes, main control module and from control module by GPS locating module, GPRS communication module and the power-off of temperature and humidity sensing module.And acceleration sensing module enters low-power mode, simultaneously main control module and enter sleep pattern from control module.
Acceleration sensing module has low frequency and normal two kinds of mode of operations.Under normal circumstances, acceleration sensing module is carried out the collection of data in low-power mode, can reduce like this power consumption.In the time that monitoring acceleration information is abnormal compared with configured running parameter, acceleration sensing module switches to rapidly normal mode by low-power mode, and with the form of external interrupt wake up in sleep pattern from control module.From control module read the data of acceleration and with initial procedure the running parameter comparative analysis that configures.If accekeration is in normal early warning range, acceleration sensing module switches to low-power consumption mode, enters sleep pattern from control module.If accekeration exceedes early warning value, acceleration sensing module switches to after low power consumpting state, powers on to GPS locating module from control module.In the present invention, GPS locating module adopts the working method powering on, and only powers on and could work from control module controls, and other time, all in off-position, has reduced the consumption of battery.GPS locating module obtains positioning and tracking device current location data and is sent to from control module.Receive current location data from control module, by the power-off of GPS locating module, wake main control module up with the form of interrupting simultaneously.After main control module wakes up, position data being sent from control module, can enter again sleep pattern.
For the data acquisition of temperature and humidity sensing module, adopt the mode of poll to carry out work from control module.Use internal clocking timing to read humiture data, in reading out data not, enter sleep pattern.Timer is processed in the mode of internal interrupt, and whether periodic monitor arrives the read period of setting, wakes up from control module after arrival.Read humiture data and analyze according to the humiture early warning value of setting from control module, judging whether to wake main control module up.If do not need to wake up, main control module keeps sleep pattern.If need to wake up, power on to GPS locating module from control module.GPS locating module obtains positioning and tracking device current location data and is sent to from control module.Receive data from control module, the power-off of GPS locating module wakes main control module up with the form of interrupting simultaneously.
From control module is waken up, also need voltage and electric weight to battery to carry out timing detection.The process of monitoring and the process of temperature and humidity sensing module are similar, no longer repeat here.It should be noted that, in the time that the electric weight from control module monitors to battery is lower, can increase the time interval of the periodic monitor of temperature and humidity sensing module.Like this can assurance device under low voltage, can reduce electric quantity consumption, thereby the longer time is monitored the situation of whole tracking means.
After main control module is waken up, receive the positional information sending from control module, power on to GPRS communication module simultaneously.GPRS communication module is identical with the working method of GPS locating module, adopts the working method powering on.Power on to after only having main control module to be waken up GPRS communication module, GPRS communication module just can be started working.GPRS communication module is sent to long-range equipment tracing and monitoring center by position data by wireless network.After GPRS communication module is sent completely data, main control module, by its power-off, oneself enters sleep pattern simultaneously.
Due to the working condition difference of modules, the power consumption of battery is also different.Be divided into following several situation according to the power consumption situation of battery: two control modules are all in running order, and peripheral hardware is also in running order, it is even higher that the power consumption electric current of battery can exceed 100mA; While only having two control module work and peripheral hardware not to work, power consumption electric current can exceed 40mA; Only have a 8M from control module when work, power consumption electric current only has general 10mA; When two control modules all enter sleep pattern, power consumption electric current is no more than 1mA.Therefore work for fear of two control modules simultaneously, need to 8M carry out strict logical operation from control module, ensure 32M the main control module long period in sleep pattern, thereby reach better power saving effect.
In the present invention, after control module enters sleep pattern, more obvious in the effect of longer power saving of the time of sleep pattern.The corresponding peripheral hardware of control module configuration enters low-power consumption or dormancy or power-down mode.Under sleep pattern, internal clocking or external interrupt can will be waken up from control module.Be interrupted after waking up from control module, only need to carry out simple and quick logic judgement, if do not need work, get back to sleep pattern at once.If need work, after position information process is complete, continue to enter sleep pattern.Main control module, after positional information is sent completely, enters sleep pattern.Therefore, the present invention can make positioning and tracking device have the function of degree of depth economize on electricity, has ensured long monitoring work.
To sum up, positioning and tracking device provided by the present invention adopts double control modules, and by the height of frequency of operation, peripheral configuration is arrived to control module.The peripheral hardware that master control module controls frequency is higher, and ensure in the situation that not needing main control module work, in free time or park mode. as far as possibleAnd, just can be waken up and carry out data transmission while only having the module of sensor class or the data exception of battery from control module.Other times are in free time or park mode.Compared with the positioning and tracking device of single control module, the double control modules that the present invention adopts, does not need continuously to access and detect data; Be that control module is distributed peripheral hardware according to frequency of operation, avoided control module with the constantly state of operation of highest frequency.The present invention makes the control module lengthening of the time under sleep pattern as far as possible by setting the working method of peripheral hardware, has significantly reduced the total energy consumption of positioning and tracking device, thereby has greatly extended the operational use time of this device.
There is the electricity saving function positioning and tracking device of the degree of depth and power-saving method has been described in detail to provided by the present invention above.For one of ordinary skill in the art, any apparent change of under the prerequisite that does not deviate from connotation of the present invention, it being done, all will form infringement of patent right of the present invention, will bear corresponding legal liabilities.
Claims (10)
1. there is the electricity saving function positioning and tracking device of the degree of depth, it is characterized in that comprising main control module, from control module, battery, communication module, GPS locating module and at least one sensing module;
Described from control module be connected respectively with described GPS locating module, described sensing module and described battery; Described main control module and described communication module, be describedly connected respectively from control module and described battery.
2. positioning and tracking device as claimed in claim 1, is characterized in that:
The frequency of operation of described main control module is greater than the described frequency of operation from control module.
3. positioning and tracking device as claimed in claim 1 or 2, is characterized in that:
Describedly adopt interrupt mode or polling mode to wake described main control module up from control module.
4. positioning and tracking device as claimed in claim 1, is characterized in that:
Described GPS locating module adopts the working method powering on, and is powered on from control module controls by described; Or described communication module adopts the working method powering on, and is powered on by described master control module controls.
5. positioning and tracking device as claimed in claim 1, is characterized in that:
Described sensing module is in low power mode of operation or power-down mode, and under predetermined condition to interrupt or the mode of timing is waken up described from control module.
6. positioning and tracking device as claimed in claim 5, is characterized in that:
Described positioning and tracking device comprises the described sensing module in low power mode of operation, and at least one described sensing module in power-down mode.
7. a power-saving method, is used in claim 1～6 in the positioning and tracking device described in any one, it is characterized in that comprising the steps:
Step 1: positioning and tracking device initialization, configuration effort parameter;
Step 2: main control module and from control module enter sleep pattern, communication module and GPS locating module enter power-down mode, sensing module enters low power mode of operation or power-down mode;
Step 3: described sensing module wakes up described from control module under predetermined condition, it is described from control module is waken up, judge whether to wake main control module up, being judged as need to wake main control module up time, described from control module wake described main control module up and make described GPS locating module enter mode of operation, then read the positional information of described GPS locating module, and be sent to after described main control module, finally return to sleep pattern and make described GPS locating module enter power-down mode, enter step 4; Being judged as while not needing to wake main control module up, return to step 2;
Step 4: described main control module is after being waken up, make described communication module enter mode of operation, and the described positional information from described GPS locating module is sent by described communication module, then return to sleep pattern and make described communication module power-off, return to step 2.
8. power-saving method as claimed in claim 7, is characterized in that:
In step 3, described sensing module under low power mode of operation, detect wake up with interrupt mode when abnormal described from control module; Or,
Described sensing module under power-down mode, described in timing wake-up from control module.
9. power-saving method as claimed in claim 8, is characterized in that:
In step 3, when the result detecting when described sensing module reaches default early warning value, be describedly judged as and need to wake main control module up from control module; Do not need to wake up main control module otherwise be judged as.
10. power-saving method as claimed in claim 7, is characterized in that:
Described sensing module monitors the electric weight of battery when lower, the described time interval that increases the periodic monitor of described sensing module from control module.
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| CN111540147B (en) * | 2020-02-20 | 2022-04-26 | 四川御智微科技有限公司 | Intelligent monitoring device applied to tree anti-theft monitoring |
| CN112229442A (en) * | 2020-09-10 | 2021-01-15 | 青岛海尔科技有限公司 | Method and device for data monitoring and sensing system |
| CN113490070A (en) * | 2021-05-28 | 2021-10-08 | 北京时域智控技术有限公司 | Railway wagon ticket-inserting gateway and operation method thereof |
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Effective date of registration: 20170817 Address after: 430073 A9, finance building, 77 Optics Valley Avenue, East Lake Development Zone, Wuhan, Hubei Patentee after: Beyondsoft (Wuhan) Co., Ltd. Address before: 100094, No. 8, building three, building 9, Zhongguancun Software Park, No. A, Beijing West Road, Haidian District, China Patentee before: Beyondsoft Corporation |