CN106093466A - A kind of movable radiation source tracker and low power consumption method thereof - Google Patents

A kind of movable radiation source tracker and low power consumption method thereof Download PDF

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Publication number
CN106093466A
CN106093466A CN201610578423.0A CN201610578423A CN106093466A CN 106093466 A CN106093466 A CN 106093466A CN 201610578423 A CN201610578423 A CN 201610578423A CN 106093466 A CN106093466 A CN 106093466A
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CN
China
Prior art keywords
module
radiation source
data transmission
cpu
power consumption
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610578423.0A
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Chinese (zh)
Inventor
林晓东
许起惠
苗发明
魏鸿林
陈明銮
黄连辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuzhou Gem Instrument & Equipment Co Ltd
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Fuzhou Gem Instrument & Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Fuzhou Gem Instrument & Equipment Co Ltd filed Critical Fuzhou Gem Instrument & Equipment Co Ltd
Priority to CN201610578423.0A priority Critical patent/CN106093466A/en
Publication of CN106093466A publication Critical patent/CN106093466A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00Indicating or recording presence, absence, or direction, of movement
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/34Power consumption
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The invention provides a kind of movable radiation source tracker, including CPU, movement sensing module, intervalometer, location tracking module and data transmission module, described CPU connects described movement sensing module, location tracking module, intervalometer and data transmission module respectively;Present invention also offers the low power consumption method of a kind of movable radiation source tracker, it is simple to long-time tracing and positioning.

Description

A kind of movable radiation source tracker and low power consumption method thereof
Technical field
The present invention relates to a kind of movable radiation source tracker and low power consumption method thereof.
Background technology
Internet of things equipment, movable radiation source location tracking, fixing radioactive source location tracking application typically require offer set Standby positional information, these equipment generally individually belong to portable equipment, therefore, to assure that good portability.Therefore manufacturing and designing Time, it is desirable to volume is little, lightweight.While reducing volume and weight, the power supply capacity of battery or other power supply unit receives Impact, the problems referred to above are a pair inevitable contradiction.
Summary of the invention
The technical problem to be solved in the present invention, is to provide a kind of movable radiation source tracker and low power consumption method thereof, just In long-time tracing and positioning.
One of present invention is achieved in that a kind of movable radiation source tracker, including CPU, including motion Sensing module, intervalometer, location tracking module and data transmission module, described CPU connects described motion respectively Sensing module, location tracking module, intervalometer and data transmission module.
Further, described movement sensing module be acceleration transducer, angular-rate sensor, gravity sensor and/or Mechanical type vibration detection switchs.
The two of the present invention are achieved in that the low power consumption method of a kind of movable radiation source tracker, described low-power consumption side Method need to provide a kind of tracker, and described tracker includes CPU, movement sensing module, intervalometer, location tracking mould Block and data transmission module;Described method specifically includes as follows:
Movement sensing module senses the state of tracked object;
If being kept in motion, then open location tracking module and current position coordinates is sent to CPU, in Position coordinates is sent by Central Processing Unit by data transmission module, and is preserved by this position coordinates;
If remaining static, the most not starting location tracking module, and sending a signal to central authorities by intervalometer timing Processing unit, CPU sends status signal by data transmission module.
Further, remain static if described, the most do not start location tracking module, and sent by intervalometer timing One signal to CPU, if CPU by data transmission module send status signal further particularly as follows: Remain static, the most do not start location tracking module, and send a signal to CPU by intervalometer timing, in Central Processing Unit sends status signal by data transmission module, and using the position coordinates that preserves for the last time as current location Coordinate.
Further, described motion sensor obtains a vector at interval of time T, and is stored by vector;Motion sensor t Moment obtains a vectorTake out a plurality of near t vector;Obtain T interval time successively two Vector difference between vector, obtains a plurality of vector difference;Afterwards a plurality of vector difference are averagedIf's Be worth in the range of limiting, then testee remains static in t;No, then testee is in motion shape in t State.
Further, described movement sensing module be acceleration transducer, angular-rate sensor, gravity sensor and/or Mechanical type vibration detection switchs.
It is an advantage of the current invention that: one movable radiation source tracker of the present invention and low power consumption method thereof, it is possible to effectively Extend the electric power of equipment cruising time powered by battery or intermittent power supply;Utilize the tracked object of movement sensing module perception Kinestate, determines duty and the work shape of data transmission module of location tracking module according to the kinestate of object State, is allowed to be in power save mode effectively.
Accompanying drawing explanation
The present invention is further illustrated the most in conjunction with the embodiments.
Fig. 1 is the theory diagram of the present invention a kind of movable radiation source tracker.
Fig. 2 is the fundamental diagram of the present invention a kind of movable radiation source tracker.
Fig. 3 is the space coordinates schematic diagram of the present invention.
Detailed description of the invention
Referring to shown in Fig. 1, movable radiation source tracker of the present invention, including CPU, including motion-sensing mould Block, intervalometer, location tracking module and data transmission module, described CPU connects described motion-sensing mould respectively Block, location tracking module, intervalometer and data transmission module, described movement sensing module is acceleration transducer, angular velocity Sensor, gravity sensor and/or mechanical type vibration detection switch.
The low power consumption method of movable radiation source tracker of the present invention, described low power consumption method need to provide a kind of tracker, institute State tracker and include CPU, movement sensing module, intervalometer, location tracking module and data transmission module;Institute The method of stating specifically includes as follows:
Movement sensing module senses the state of tracked object, and described motion sensor obtains an arrow at interval of time T Amount, and vector is stored;Motion sensor t obtains a vectorTake out a plurality of near t arrow Amount;Obtain the vector difference between two vectors of T interval time successively, obtain a plurality of vector difference;Afterwards by a plurality of Vector difference is averagedIfValue limit in the range of, then testee remains static in t;No, then Testee is kept in motion in t, and described movement sensing module is acceleration transducer, angular-rate sensor, gravity Sensor and/or mechanical type vibration detection switch;
If being kept in motion, then open location tracking module and current position coordinates is sent to CPU, in Position coordinates is sent by Central Processing Unit by data transmission module, and is preserved by this position coordinates;
If remaining static, the most not starting location tracking module, and sending a signal to central authorities by intervalometer timing Processing unit, CPU sends status signal, and the position coordinates that will preserve for the last time by data transmission module As current position coordinates.
When object is kept in motion, location tracking module is in running order, and now location tracking module energy consumption is bigger; When object remains static or after object remains static limiting time, location tracking module is in dormancy or closedown State, now location tracking module is in lowest energy consumption state.
When object is in persistent movement state, location tracking module is according to setting time interval intermittent work or continuing Work.Location tracking module according to the difference of type, intermittent work be probably (but not limited to) stop power supply completely, dormancy but Data retention mode, partial sleep state etc..
When object is in lasting resting state, location tracking module is needed intermittent work by timing means according to setting Or it is in lasting off position (but location information is as the criterion) with last location, to avoid ossified state to be difficult to be found.
The frequency of intermittent work is according to the location tracking instantaneous energy optimization of module start and stop.
Tracing positioning can be but not limited to GPS, the Big Dipper, cellular telephone base stations, WIFI hot spot, network IP, wireless Electricity location, third party's auxiliary positioning information etc..
Use low-power consumption timer arrangement the best for detection and location tracker duty, localization tracker simultaneously Need periodic maintenance low-power consumption timer arrangement, if low-power consumption timing means cannot be safeguarded by localization tracker, low-power consumption Timing means will reset localization tracker, feed them into init state.
One detailed description of the invention of the present invention:
Localization tracker is often fixed in fixing object, for following the trail of the position of object.
When using localization tracker the most for the first time, localization tracker automatically saves positional information after determining positional information, location Tracing module is in stops power supply or resting state completely, if no data communication needs data transmission module and other functional part It is in stopping power supply or resting state, only retains kinestate sensor and (be wherein not limited to kinestate sensor, such as: add Velocity sensor, angular transducer, gravity sensor, angular-rate sensor, mechanical type vibration detection switch etc.) it is in low-power consumption Acquisition mode.
2. be in lasting resting state localization tracker allow timing be waken up and report state (but be not limited to data pass Defeated module, breath light etc.), it is used for confirming that localization tracker is working properly.
The motion of the most any object will necessarily produce acceleration, angular velocity, gravity vertical deviation or vibration etc., by (but not It being limited to) acceleration transducer, angular transducer, gravity sensor, angular-rate sensor, mechanical type vibration detection switch etc. are permissible The effectively kinestate of perceptual object.
If 4. detection means does not perceives the kinestate of localization tracker, then explanation localization tracker is static , it is not necessary to reopen location tracking module, now the positional information automatically saved for the last time is believed as current position Breath.If detection means detects localization tracker and is in sportswear state, then open location tracking module;If motion detection It is in persistent movement state to location tracking module, then opens location tracking module intermittence or continuous positioning, the location of preservation Information is also by continuous updating therewith.In whole motor process, data transmission module then needs transmission localization tracker according to set Status information.
5., when object recovers resting state, return to state 2., circulate according to this.
The present invention uses low-power consumption timer arrangement the best for detection and location tracker duty simultaneously, location Tracker needs periodic maintenance low-power consumption timer arrangement, if low-power consumption timing means cannot be safeguarded by localization tracker, Low-power consumption timing means will reset localization tracker, feed them into init state.
The present invention is mainly made up of by with lower module following:
Working mechanism's example of the present invention is as in figure 2 it is shown, specific as follows:
When being 1. kept in motion, localization tracker breaks down or intervalometer is safeguarded unsuccessfully, automatically into initializing shape State.
2. after having initialized, if localization tracker is kept in motion, then kinestate is entered.
3. after having initialized, if localization tracker remains static, then resting state is entered.
4. during resting state, if tracker breaks down or intervalometer is safeguarded unsuccessfully, automatically into init state.
5., during kinestate, exceed the setting time if static, then enter resting state.
6. during resting state, if detecting object of which movement, then kinestate is immediately entered.
Example of practical application of the present invention:
This example is as a example by movable radiation source tracker, and the present invention is applied to movable radiation source location tracking, mobile radiation Source location tracker wants cube little, but owing to the activity duration is considerably long, a setting exposure time is probably several hours, It is also likely to be more than tens, twenties, 30 hour, adds road transport and the demand worked continuously, it is desirable to mobile radiation Source location tracker to have longer battery durable ability, could meet actual field application demand.
Movable radiation source belongs to heavier equipment, mobile get up comparison inconvenient, the most only short time is in motion State, and the most of the time remains static, when being especially in the job state of tens hours, movable radiation source is all located In resting state.Under this sight, manage the power consumption of movable radiation source resting state effective and reasonablely, just can largely carry High localization tracker battery durable ability.
As it is shown on figure 3, in rectangular coordinate system in space (x, y, z axle is three-dimensional),
For the vector of accelerator, it is represented by:
In t, the vector representation of accelerator is
In the t-T moment, the vector representation of accelerator is
At t-T to t, the vector variable quantity of accelerator is
Can obtain by that analogy:
Rule of judgment is:
Resting state:
Nonstatic state:
1, it is theoretical derivation above, under actual resting state,Certain fluctuation can be had near 0, so I Software in judge condition be not 0, but one allow tolerance value, in tolerance, it is determined that tracker is static shape State;Outside tolerance, it is determined that tracker is nonstatic state (operating state), this tolerance when tracker initializes every time, Automatically measure and determine.
2, be above accelerator as motion sensor as a example by, other motion sensors.
Although the foregoing describing the detailed description of the invention of the present invention, but those familiar with the art should managing Solving, our described specific embodiment is merely exemplary rather than for the restriction to the scope of the present invention, is familiar with this The technical staff in field, in the equivalent modification made according to the spirit of the present invention and change, should be contained the present invention's In scope of the claimed protection.

Claims (6)

1. a movable radiation source tracker, including CPU, it is characterised in that: include movement sensing module, regularly Device, location tracking module and data transmission module, described CPU connects described movement sensing module, location respectively Tracing module, intervalometer and data transmission module.
2. a kind of movable radiation source tracker as claimed in claim 1, it is characterised in that: described movement sensing module is for accelerating Degree sensor, angular-rate sensor, gravity sensor and/or mechanical type vibration detection switch.
3. the low power consumption method of a movable radiation source tracker, it is characterised in that: described low power consumption method need to provide one to chase after Track device, described tracker includes CPU, movement sensing module, intervalometer, location tracking module and data transmission Module;Described method specifically includes as follows:
Movement sensing module senses the state of tracked object;
If being kept in motion, then open location tracking module and current position coordinates is sent to CPU, centre Position coordinates is sent by reason unit by data transmission module, and is preserved by this position coordinates;
If remaining static, the most not starting location tracking module, and sending a signal to central authorities' process by intervalometer timing Unit, CPU sends status signal by data transmission module.
The low power consumption method of a kind of movable radiation source tracker the most as claimed in claim 3, it is characterised in that: it is in if described Resting state, does not the most start location tracking module, and sends a signal to CPU, centre by intervalometer timing If it is further particularly as follows: remain static that reason unit sends status signal by data transmission module, the most do not start location and chase after Track module, and send a signal to CPU by intervalometer timing, CPU passes through data transmission module Send status signal, and using the position coordinates that preserves for the last time as current position coordinates.
The low power consumption method of a kind of movable radiation source tracker the most as claimed in claim 3, it is characterised in that:
Described motion sensor obtains a vector at interval of time T, and is stored by vector;Motion sensor t obtains an arrow AmountTake out a plurality of near t vector;Obtain the arrow between two vectors of T interval time successively Amount difference, obtains a plurality of vector difference;Afterwards a plurality of vector difference are averagedIfValue limit scope In, then testee remains static in t;No, then testee is kept in motion in t.
The low power consumption method of a kind of movable radiation source tracker the most as claimed in claim 3, it is characterised in that: described motion passes Sense module is acceleration transducer, angular-rate sensor, gravity sensor and/or mechanical type vibration detection switch.
CN201610578423.0A 2016-07-21 2016-07-21 A kind of movable radiation source tracker and low power consumption method thereof Pending CN106093466A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106804026A (en) * 2017-02-20 2017-06-06 北京唐海科技有限公司 A kind of wireless location system
CN112698609A (en) * 2020-12-29 2021-04-23 无锡卓信信息科技股份有限公司 Radioactive source monitoring terminal
CN114779302A (en) * 2022-06-21 2022-07-22 深圳华大北斗科技股份有限公司 Low-power-consumption Internet of things equipment based on PPP-RTK technology and control method thereof

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CN104469911A (en) * 2014-12-03 2015-03-25 中电科卫星导航运营服务有限公司 Tracker with near field wireless communication module and tracking method
CN104477131A (en) * 2014-11-24 2015-04-01 深圳市华宝电子科技有限公司 Vehicle tracker and tracking method thereof
CN205898838U (en) * 2016-07-21 2017-01-18 福州智元仪器设备有限公司 Remove radiation source tracker

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Publication number Priority date Publication date Assignee Title
CN200979595Y (en) * 2006-10-18 2007-11-21 朱晓江 A portable personal GPS tracking and locating device
CN101365197A (en) * 2008-08-29 2009-02-11 青岛海信移动通信技术股份有限公司 Energy consumption control method for positioning terminal and positioning terminal applying the method
CN102910148A (en) * 2011-08-02 2013-02-06 天津中启创科技有限公司 Power-saving operation method of security terminal
CN103091694A (en) * 2011-10-28 2013-05-08 上海宝信软件股份有限公司 Monitoring device and system of movable radioactive source
CN203224631U (en) * 2013-05-07 2013-10-02 江苏中微凌云科技股份有限公司 Real-time indoor and outdoor positioning label
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106804026A (en) * 2017-02-20 2017-06-06 北京唐海科技有限公司 A kind of wireless location system
CN112698609A (en) * 2020-12-29 2021-04-23 无锡卓信信息科技股份有限公司 Radioactive source monitoring terminal
CN114779302A (en) * 2022-06-21 2022-07-22 深圳华大北斗科技股份有限公司 Low-power-consumption Internet of things equipment based on PPP-RTK technology and control method thereof

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Application publication date: 20161109