CN112333681A

CN112333681A - Method and device for ultra-low power consumption comprehensive positioning service

Info

Publication number: CN112333681A
Application number: CN202011171065.4A
Authority: CN
Inventors: 武国江; 熊良源
Original assignee: Individual
Current assignee: Beijing Weitouch Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-02-05

Abstract

A method and apparatus for ultra-low power integrated location services, the method comprising the steps of: equipment initialization; each module is in a dormant silent state; carrying out scene recognition; each module continuously keeps a dormant silent state: when the scene is identified to be in a static state, periodically sleeping and awakening the motion sensor chip for detection, and judging whether the state is changed; scanning the Bluetooth beacon: when the scene is identified to be in a motion state, starting a Bluetooth chip, and scanning a Bluetooth beacon to judge whether the Bluetooth beacon calibrated by the scene is invalid; collecting positioning data of a GPS positioning chip; collecting positioning data of a Bluetooth chip; locating a local storage of data; and (3) timing transmission positioning data: and the NBIoT communication module transmits the GPS positioning chip positioning data and the Bluetooth chip positioning data to the cloud platform. The method for the ultra-low power consumption comprehensive positioning service reduces the power consumption of the positioning device, increases the standby time of the positioning device, and solves the problems of indoor and outdoor comprehensive positioning and floor space positioning.

Description

Method and device for ultra-low power consumption comprehensive positioning service

Technical Field

The invention relates to the technical field of positioning service, in particular to a method and a device for ultra-low power consumption comprehensive positioning service.

Background

The positioning service is widely applied to the aspects of communication, engineering, rescue and the like, the positioning mode adopted at present is satellite positioning and beacon position positioning, positioning information is uploaded to a control center at any time and is divided into information storage and information uploading, a positioning device generally supplies power through a rechargeable battery, the standby time of the positioning device in the prior art is short, and the standby time is generally 3-5 days. The standby time is short, which brings inconvenience to the use.

The market urgently needs the problem that the standby time of the positioning device is short, and the size of the rechargeable battery cannot be increased at will due to the small structure of the mobile positioning device, so that the power supply time of the positioning device cannot be prolonged by increasing the rechargeable battery. The child anti-lost device is similar to the current use technology in the current stage, but the common use is GPRS (general packet radio service) as wide area network communication, at present, 2G gradually enters a network quitting stage, and can face the risk of being unavailable at any time, and a new ultra-low power consumption personnel positioning device is used instead of the NBIoT communication technology of a wireless communication module; GPS children anti-lost device utilizes GPS satellite positioning and remote data transmission, and parents can look over child's position at any time on cell-phone APP, and no matter how far away has can both use. However, most of the GPS anti-lost devices for children sold in the market are obtained by modifying vehicle-mounted positioners, and have the advantages of large volume, heavy weight and short service time. There are few products specifically designed for child resistance and recovery.

Personnel scope location, personnel scope location adopts that personnel wear ultra-low power consumption bluetooth beacon, use beacon broadcast personnel ID, the gateway judges whether personnel are near the network management through the bluetooth beacon around the scanning, the unable accurate guidance personnel of this kind of mode is in certain position, only can judge personnel apart from the gateway position near, belong to the scope location, can do certain management to personnel scope distribution, but because bluetooth communication penetrability is weak, therefore in case the environment changes around, perhaps shelter from, the scope that can cover can sharply reduce.

Disclosure of Invention

The invention aims to provide a method and a device for ultra-low power consumption comprehensive positioning service, which can effectively reduce the power consumption of a positioning device and increase the standby time of the positioning device.

The technical scheme of the invention is as follows:

according to an aspect of the present invention, there is provided a method for ultra-low power integrated location service, comprising the steps of: the method comprises the following steps: equipment initialization; step two: carrying out scene recognition: the master control single chip microcomputer instructs the motion sensor chip to detect scene states, wherein the scene states comprise a static state and a motion state; step three: dormancy of the GPS positioning chip: when the scene is identified to be in a static state, periodically sleeping and awakening the motion sensor chip for detection, and judging whether the state is changed; step four: scanning the Bluetooth beacon: when the scene is identified to be in a motion state, starting a Bluetooth chip, and scanning a Bluetooth beacon to judge whether the Bluetooth beacon calibrated by the scene is invalid; step five: and (3) acquiring positioning data of a GPS positioning chip: when a scene-calibrated Bluetooth beacon fails, the GPS positioning chip starts to acquire positioning data of the GPS positioning chip, and the main control single chip microcomputer stores the acquired positioning data of the GPS positioning chip; step six: bluetooth chip positioning data collection: when the scene-calibrated Bluetooth beacon is effective, the GPS positioning chip is closed, the Bluetooth chip is started, the Bluetooth chip positioning data is collected, and the scene-calibrated Bluetooth beacon positioning data is periodically submitted to the master control single chip microcomputer; step seven: local storage of positioning data: storing the GPS positioning chip positioning data acquired in the fifth step and the Bluetooth chip positioning data acquired in the sixth step locally; step eight: and (3) timing transmission positioning data: the response platform stores GPS positioning chip positioning data and Bluetooth chip positioning data, and the NBIoT communication module transmits the GPS positioning chip positioning data and the Bluetooth chip positioning data to the cloud platform.

Preferably, in the method for ultra-low power integrated location service, the device initialization includes: the method comprises the steps of GPS positioning chip initialization, NBIoT communication module function initialization, Bluetooth chip function initialization, motion sensor chip initialization, analog quantity Acquisition (ADC) -electric quantity acquisition initialization, main control single chip microcomputer initialization, obtaining response platform configuration parameters, and finally keeping the motion sensor chip working, wherein the main control single chip microcomputer, the GPS positioning chip, the NBIoT communication module and the Bluetooth chip are all in a closed state.

Preferably, in the method for ultra-low power consumption integrated location service, the method further includes device status monitoring: the master control single chip microcomputer works, and the motion sensor chip works to detect the motion state or the static state of the equipment; and based on whether the equipment is in the scene-calibrated Bluetooth beacon coverage range or not, if the equipment is in the non-scene-calibrated Bluetooth beacon coverage range, positioning by using a GPS positioning chip, and if the equipment is in the scene-calibrated Bluetooth beacon coverage range, using the position related information calibrated by the scene-calibrated Bluetooth beacon.

Preferably, in the method for the ultra-low power consumption integrated positioning service, the method further includes analyzing a state of the motion sensor chip to analyze a state of the device, configuring the motion sensor chip with ultra-low power consumption, and then performing data selection, behavior analysis, data submission to a platform, service planning, and service provision by using an Inertial Measurement Unit (IMU).

Preferably, in the method for the ultra-low power consumption comprehensive positioning service, the master control single chip microcomputer works, analog quantity Acquisition (ADC) -electric quantity analysis is performed, a filtering algorithm is adopted, if the electric quantity is low, a flashing lamp prompts a user, and in addition, electric quantity data can be submitted to the platform periodically for data service pushing and electric quantity early warning service.

Preferably, in the method for the ultra-low power consumption integrated positioning service, the BLE5.0 bluetooth chip scans a bluetooth beacon calibrated in a scene, and periodically wakes up the NBIoT communication module and the data synchronization platform.

According to another aspect of the present invention, there is also provided an apparatus for an ultra-low power integrated location service, including: the Bluetooth chip is started when the scene is identified to be in a motion state and is used for scanning the Bluetooth beacon so as to judge whether the Bluetooth beacon calibrated by the scene is invalid or not; when the scene-calibrated Bluetooth beacon is effective, the GPS positioning chip is closed, the Bluetooth chip is started, the Bluetooth chip positioning data is collected, and the scene-calibrated Bluetooth beacon positioning data is periodically submitted to the master control single chip microcomputer; the GPS positioning chip is started when the Bluetooth beacon calibrated by the scene fails and collects the positioning data of the GPS positioning chip; the motion sensor chip is controlled by the main control single chip microcomputer and is mainly used for monitoring scene states, wherein the scene states comprise a static state and a motion state; when the scene is identified to be in a static state, the motion sensor chip periodically sleeps and wakes up for detection to judge whether the state is changed; the NBIoT communication module is used for responding the platform to store the GPS positioning chip positioning data and the Bluetooth chip positioning data and transmitting the GPS positioning chip positioning data and the Bluetooth chip positioning data to the cloud platform; and the master control single chip microcomputer is connected with the Bluetooth chip, the GPS positioning chip, the motion sensor chip and the NBIoT communication module and is used for controlling the working mode of the whole ultra-low power consumption comprehensive positioning service device.

Preferably, in the apparatus for ultra-low power integrated positioning service, the operation mode of the apparatus for ultra-low power integrated positioning service includes: periodic deep sleep mode: according to the working period set by the NBIoT communication module, the NBIoT communication module sends acquired data to the platform, if the platform needs to send a command in a downlink manner, the platform needs to wait for the NBIoT communication module to be awakened periodically to respond, and response delay is determined according to the sending period of the NBIoT communication module; periodic mild sleep mode: according to the working period set by the NBIoT communication module, the NBIoT communication module sends acquired data to the platform, and after the NBIoT communication module is sent, the NBIoT communication module enters a light sleep mode, and at the moment, the NBIoT communication module can intermittently respond to a platform downlink instruction; an emergency mode; when an emergency occurs, the platform sends a downlink instruction to the NBIoT communication module, and the NBIoT communication module needs to wait for a next cycle wakeup acceptance instruction to enter an emergency mode.

Preferably, the apparatus for ultra-low power integrated location service further includes a power management chip.

The technical scheme of the invention has the beneficial effects that:

the method and the device for the ultra-low power consumption comprehensive positioning service reduce the power consumption of the positioning device, increase the standby time of the positioning device, and solve the problems of indoor and outdoor comprehensive positioning and floor space positioning; the NBIoT communication technology with low cost and wide coverage is adopted, and has advantages compared with the existing 2G, 4G and other communications; the problems of difficulty in large-scale personnel management, low efficiency and incapability of refining are solved.

Drawings

FIG. 1 is a block diagram of the modules of the ultra low power integrated location services device of the present invention;

FIG. 2 is a block diagram of an analog Acquisition (ADC) -power early warning mode of the present invention;

FIG. 3 is a micro-electro-mechanical system (MEMS) -behavior analysis local mode block diagram of the present invention;

FIG. 4 is a block diagram of the platform mode of the present invention;

figure 5 is a flowchart of a BLE5.0 bluetooth chip master control mode of the present invention;

FIG. 6 is a flow chart of an installation deployment implemented by the present invention;

FIG. 7 is a block flow diagram of a method of the ultra low power integrated location service of the present invention;

FIG. 8 is a flow chart of terminal operation of the method of the ultra low power integrated location service of the present invention;

FIG. 9 is a software flow diagram related to the method of the present invention.

Detailed Description

The invention is described in detail below by way of specific embodiments with reference to the accompanying drawings,

based on the problems in the prior art, the inventor proposes to prolong the standby time of the positioning device. The conception of the invention is as follows: the periodic deep sleep mode of the positioning device NBIoT communication module is realized: according to the working period set by the GPS positioning chip and the NBIoT communication module, the NBIoT communication module sends collected data to the platform, if the platform needs to send a downlink instruction, the platform needs to wait for the NBIoT communication module to wake up for response, and response delay is determined according to the sending period.

As shown in fig. 1, the ultra-low power consumption integrated positioning service apparatus of the present invention includes: power management chip, master control singlechip, motion sensor chip, GPS location chip and NBIoT communication module and BLE5.0 bluetooth chip, wherein:

the power supply is driven by a low dropout linear regulator (LDO) with static power consumption within 10 muA, so that the internal consumption of the whole device is at a very low level. The power supply parameters are shown in table 1.

TABLE 1 Power supply parameter table

Item(s)	Description of the invention	Remarks for note
			Power supply method	800maH lithium battery
Input voltage	3.7-4.2V
			Charge management	Support for
Load capacity	<800ma

Master control single chip Microcomputer (MCU): and the device is connected with the Bluetooth chip, the GPS positioning chip, the motion sensor chip and the NBIoT communication module and is used for controlling the working mode of the whole ultra-low power consumption comprehensive positioning service device. Support for entering deep sleep mode S0 (peripheral motion sensor chip or BLE5.0 bluetooth chip is needed to wake up); periodically waking up the shallow sleep mode S1, wherein the sleep mode can be periodically woken up without external intervention; when the work is required to process the service data, entering an active state S2; power consumption description: s0< S1< S2S 0 can enable the single chip microcomputer to enter a sleep mode with the consumption current of 100nA level, S1 can enter a sleep mode of 1 muA level and support automatic awakening; the S2 singlechip is in active state, and the power consumption is about 15 mA.

BLE5.0 bluetooth chip starts when the scene discernment is motion state for scan bluetooth beacon, and whether inefficacy to judge the bluetooth beacon of scene demarcation, and effective when the bluetooth beacon of scene demarcation, GPS fixes a position the chip and closes, and the bluetooth chip starts, and the bluetooth beacon locating data that the scene was markd is submitted for master control singlechip to the periodicity. The Bluetooth chip has the function of a Bluetooth positioning base station, is used as an ultra-low power consumption awakening source, is mainly used for positioning by scanning whether a scene calibration Bluetooth beacon exists in a range, and mainly plays a role in positioning by the Bluetooth beacon deployed in the environment. The sleep mode of the BLE5.0 Bluetooth chip can be within 2 mu A, and the current can last about 4mA when the Bluetooth chip works and scans a Bluetooth beacon; the BLE5.0 Bluetooth chip is always continuously in a low-power-consumption working mode BT-W1: sleep 3 s-scan 1 s-sleep 3 s-scan 1 s; if not, the off mode BT-W2 is entered directly. The beacon of the scene calibration Bluetooth is mainly used in the area which cannot be covered by GPS signals, for example, the beacon of the calibration Bluetooth is deployed indoors, and the BLE5.0 Bluetooth chip acquires the calibrated beacon position as the reference basis of the current device position by scanning the beacon of the calibration Bluetooth.

GPS positioning chip: GPS operating mode GPS-W1: the continuous current is maintained at about 16 mA; if not, directly entering the off-mode GPS-W2; the GPS positioning chip is also an ultra-low power consumption and high sensitivity (CXD5603) GPS positioning chip with a continuous tracking mode lower than 10mA, so that the power consumption of the equipment can be reduced while the positioning is accurate.

A motion sensor chip: the motion sensor chip is controlled by the master control singlechip and is mainly used for monitoring scene states, wherein the scene states comprise a static state and a motion state, and detecting equipment states, static or motion and other behaviors, the motion sensor chip only works in a single mode, and the state MOV-W1 is periodically monitored, and the current of the mode is about 100 muA; if not, then an off mode MOV-W2 is entered. The motion sensor chip is used as a state identification means, can identify a motion mode, can realize behavior analysis more, can continuously work under the condition of less than 1mA current, and outputs behavior analysis data to judge whether other modules need to be started to work, for example, if equipment shakes violently, a GPS positioning chip and an NBIoT communication module are activated to work, and the current state position of the platform is reported.

And the NBIoT communication module is used for responding to the platform storage positioning data and transmitting the positioning data to the cloud platform. The NBIoT communication module comprises an NB communication chip: NB communication working mode NB-W1: the continuous current is maintained at about 150mA, and the signal coverage of the base station fluctuates according to different coverage of local operators; if not, the off mode NB-W2 is entered directly. Wherein NB characteristics are shown in table 2.

TABLE 2NB characteristics Table

The main control single chip microcomputer serves as a control center of the whole ultra-low power consumption positioning device, the BLE5.0 Bluetooth and the motion sensor also serve as control center wake-up sources, the two wake-up sources have the same advantages, the work power consumption of the main control single chip microcomputer is very low, and the main control single chip microcomputer can work at the mu A level current.

The matching of the modules of the ultra-low power consumption device is shown in the table 3.

TABLE 3 Cooperation of modules of ultra low power devices of the present invention

Fig. 7 is a terminal operation flowchart of the method for ultra-low power integrated location service of the present invention, which describes how each module cooperates, and mainly includes the following steps:

the method comprises the following steps: equipment initialization: the method comprises the following steps: GPS fixes a position chip initialization, NBIoT communication module function initialization, bluetooth chip function initialization, motion sensor chip initialization, analog Acquisition (ADC) -electric quantity acquisition initialization, master control singlechip initialization, acquire response platform configuration parameter, keep motion sensor work at last, master control singlechip, GPS, NBIOT communication module, BLE5.0 bluetooth chip all are in the off-state, wherein:

initializing a GPS positioning chip: the master control single chip microcomputer works, a GPS positioning chip is started, and initial position coordinates and time are obtained;

function initialization of the NBIoT communication module: the master control single chip microcomputer works to activate the NBIoT communication module, NBIoT time is synchronous with server time, and the GPS positioning chip authorizes time to be synchronous;

function initialization of a BLE5.0 Bluetooth chip: ensuring that relevant setting parameters of the BLE5.0 Bluetooth chip take effect and function normally, and entering an ultra-low power consumption working mode;

initializing a motion sensor chip: the main control single chip microcomputer works, the motion sensor chip is initialized to ensure that an Inertial Measurement Unit (IMU) of the motion sensor chip is successfully configured, and an ultra-low power consumption working mode is entered; fig. 3 is a block diagram of a local mode of micro-electro-mechanical system (MEMS) -behavior analysis according to the present invention, which illustrates how to implement ultra-low power consumption under the condition of guaranteeing the function, including behavior curve presetting, propagation of early warning parameters (hardware offline threshold platform threshold), data acquisition, data submission, and service push. FIG. 4 is a block diagram of a platform mode of the present invention, including sensor parameter setting, sensor data acquisition, data submission platform, platform sensor data analysis, and service push.

Analog quantity Acquisition (ADC) -power acquisition initialization: the master control single chip microcomputer works, and analog quantity Acquisition (ADC) -electric quantity acquisition data are initialized. Fig. 2 is a block diagram of an analog Acquisition (ADC) -electric quantity early warning mode according to the present invention, as shown in fig. 2, in which ultra-low power consumption is implemented under the condition of guaranteeing the function, a battery curve is preset in the device through laboratory data, and the curve can be issued dynamically, which specifically includes: presetting a battery curve, propagating early warning parameters (hardware offline threshold platform threshold), acquiring electric quantity, submitting data and pushing services.

Initializing a master control single chip microcomputer: the master control singlechip works;

acquiring platform configuration parameters: the main control single chip computer works, and the NBIoT communication module is communicated with the platform:

and finally, the motion sensor chip is kept working, and the master control single chip microcomputer, the GPS, the NBIOT communication module and the BLE5.0 Bluetooth chip are all in a closed state.

Step two: carrying out scene recognition: the master control single chip microcomputer instructs the motion sensor chip to detect scene states, wherein the scene states comprise a static state and a motion state;

step three: dormancy of the GPS positioning chip: when the scene is identified to be in a static state, periodically sleeping and awakening the motion sensor chip for detection, and judging whether the state is changed;

step four: scanning the Bluetooth beacon: when the scene is identified to be in a motion state, starting a Bluetooth chip, and scanning a Bluetooth beacon to judge whether the Bluetooth beacon calibrated by the scene is invalid;

step five: and (3) acquiring positioning data of a GPS positioning chip: when a Bluetooth beacon calibrated in a scene fails, a GPS positioning chip is started to collect positioning data of the GPS positioning chip, and the collected positioning data of the GPS positioning chip is stored by a master control singlechip; step six: bluetooth chip positioning data collection: when the scene-calibrated Bluetooth beacon is effective, the GPS positioning chip is closed, the Bluetooth chip is started, the Bluetooth chip positioning data is collected, and the scene-calibrated Bluetooth beacon positioning data is periodically submitted to the master control single chip microcomputer;

step seven: local storage of positioning data: storing the GPS positioning chip positioning data acquired in the fifth step and the Bluetooth chip positioning data acquired in the sixth step locally;

step eight: and (3) timing transmission positioning data: the response platform stores GPS positioning chip positioning data and Bluetooth chip positioning data, and the NBIoT communication module transmits the GPS positioning chip positioning data and the Bluetooth chip positioning data to the cloud platform.

The method for the ultra-low power consumption comprehensive positioning service further comprises the following steps:

monitoring the equipment state: the master control singlechip works, and the motion sensor chip works to be used for detecting the state of the equipment. The motion sensor chip is mainly used for detecting the motion state or the static state of the equipment and other business behavior analysis, such as collision, falling and the like. Based on whether the equipment is in the coverage range of the scene-calibrated Bluetooth beacon, if the equipment is not in the coverage range of the scene-calibrated Bluetooth beacon, a GPS positioning chip is used for positioning, and if the equipment is in the coverage range of the scene-calibrated Bluetooth beacon, the position-related information calibrated by the scene-calibrated Bluetooth beacon is used;

analyzing the state of the motion sensor chip: the method comprises the steps that the motion sensor chip works to analyze the state of equipment, the motion sensor chip needs to be configured with ultra-low power consumption, then an Inertial Measurement Unit (IMU) is used for data selection and behavior analysis, data are submitted to a platform, business is planned, and service is provided; the power consumption of the product can be reduced to the maximum extent only when the devices are in long-term dormancy, the service life of the product is prolonged, and due to the monitoring of the motion sensor chip, no break point of a service key point is ensured, and the track information of the key position of a person can be continuously provided for platform data service; the equipment is in a long-term sleep state, and in the sleep state, only the motion sensor chip monitors the motion static state, and when the platform appoints a GPS positioning chip wake-up period, the platform can work in a full-performance mode to submit relevant position information and equipment state data;

monitoring scene labels of BLE5.0 Bluetooth chips: the master control singlechip works: entering a Bluetooth base station working mode, and searching a Bluetooth beacon calibrated in a scene;

analog quantity Acquisition (ADC) power analysis: the master control single chip microcomputer works, and analog quantity Acquisition (ADC) electric quantity analysis is carried out. The ultra-low power consumption positioning device is used for collecting electric quantity, and a filtering algorithm is adopted, so that the electric quantity is accurately collected. After the terminal collects the electric quantity data, if the electric quantity is low, a flashing light prompts a user, and in addition, the electric quantity data is submitted to the platform periodically for data service pushing and electric quantity early warning service;

positioning by a GPS positioning chip: the GPS positioning chip works to carry out GPS positioning;

the BLE5.0 Bluetooth chip searches a Bluetooth beacon calibrated by a scene to realize Bluetooth positioning and implement installation and deployment; wherein fig. 5 is a flowchart of a BLE5.0 bluetooth chip master control mode, as shown in fig. 5,

bluetooth scene tags

1, 2, 3, 4 are installed in an intelligent safety helmet device, and are connected to a cloud platform service through NB communication, specifically, bluetooth beacons calibrated by a BLE5.0 bluetooth chip scanning scene, and periodically wake up an NBIoT communication module, a data synchronization platform, to implement a whole data service, which is beneficial to reducing product power consumption and can ensure real-time performance of each terminal and platform.

Fig. 6 is a flow chart of implementation, installation and deployment of the present invention, which describes in detail how the bluetooth positioning function is implemented and deployed, and includes:

1) and (3) binding the equipment: binding an NB safety helmet, reporting equipment information by equipment following a protocol, and automatically warehousing a platform; and the handheld device acquires the device information and binds the device information with personnel to submit to the platform.

The position information of the individual terminal is meaningless, in order to represent data of personnel, the data needs to be combined with a safety helmet worn by the personnel, the safety helmet is used as a carrier of the device, when the device is worn and used by the personnel, the position information and the behavior information of the personnel are judged, and a specific personnel binding flow is as follows:

2) and (3) scene label installation and deployment: and (3) installing and deploying a label, and calibrating a label scene (directly modifying and adjusting the definition of the label scene through a mobile phone APP).

The Bluetooth beacon is a maintenance-free Bluetooth beacon which can be generally used for 3 years, does not need to be replaced, is low in cost, broadcasts position information once in 1.5s, and is mainly used in areas which cannot be covered by GPS signals, such as sheltered areas, floors and the like; the specific flow chart is as follows: obtaining a Bluetooth beacon ID, inputting scene information, associating the scene beacon and submitting associated information.

3) The NB equipment detects and operates: platform configuration information is acquired (if the default configuration is not acquired), abnormal sensor data monitoring is carried out, and scene data identification is carried out.

After the equipment information is input and bound, entering a formal use stage, wherein all information is synchronized to a platform through an NB ultra-low power consumption device, and the platform presents different services through data analysis;

4) operation and maintenance of NB (NB) equipment: NB device charging management, NB device binding management change, NB device maintenance identification

In the operation process, the equipment has a charging early warning service, and once the electric quantity is low, a user is reminded to charge the equipment; if the equipment is used by the equipment replacing personnel, the equipment binding process can be adopted, and the equipment can be used by the replacing personnel again; if the equipment fails in the using process, judging whether the equipment is considered to be damaged or not by inquiring the local reserved diagnosis information of the device so as to carry out an after-sale maintenance process;

the terminal working mode of the ultra-low power consumption comprehensive positioning service device comprises the following steps:

periodic deep sleep mode: according to the working cycle set by the NBIoT communication module, the NBIoT communication module sends acquired data to the platform, if the platform needs to send a command in a downlink mode, the platform needs to wait for the NBIoT communication module to wake up in a cycle to respond, response delay is determined according to the sending cycle of the NBIoT communication module, for example, the time for the NBIoT communication module to send the data to the platform in the cycle is set to 30 minutes, a 30-minute node sends the data to the platform, the NBIoT communication module enters deep sleep after the sending is finished, the NBIoT communication module cannot accept the downlink command of the platform in the next 30 minutes, the command sent by the platform can be responded only after the NBIoT communication module wakes up in the next cycle, namely, the command is sent, and the time;

periodic mild sleep mode: according to the working period set by the NBIoT communication module, the NBIoT communication module sends acquired data to the platform, the NBIoT communication module enters a light sleep mode after sending is finished, the platform downlink instruction can be responded intermittently, response delay is low, the mobile phone acquires the verification code, delay can be achieved according to service of an operator, and the delay can be greatly reduced;

emergency (real-time) mode; when an emergency occurs, the platform sends a downlink instruction to the NBIoT communication module, and the NBIoT communication module needs to wait for a next cycle wakeup acceptance instruction to enter an emergency mode. The GPS positioning chip and the NBIoT communication module enter a real-time working state and the NBIoT communication module sends data to the platform in real time, and real-time positioning is achieved. But the power consumption is greatly increased. The operating mode pairs are shown in table 4.

TABLE 4 comparison of operating modes

Mode(s)	Platform response	Device power consumption	Remarks for note
				Deep sleep mode	The delay being dependent on the sleep cycle	Ultra-low
Light sleep mode	Has the timely response capability	Height of
				Emergency (real time) mode	Real-time response	Is higher than

The parameter setting can be adjusted according to the requirements of customers, and is not a hardware difference.

Fig. 8 is a flowchart of a terminal operation of the method for ultra-low power integrated location service according to the present invention, as shown in fig. 8, including:

firstly, equipment is initialized, wherein the NBIoT communication module is time-synchronized with a server, and the authorization time of a GPS positioning chip is time-synchronized; function initialization of a BLE5.0 Bluetooth chip and initialization (matching) of a motion sensor chip;

then, all modules enter dormancy;

carrying out scene recognition: scene recognition is carried out by the motion sensor chip, and BLE5.0 Bluetooth chip is scanned and analyzed;

if the scene is identified as a static state, returning all the modules to enter a dormant state; if the scene is identified as a motion state, the scan data of the BLE5.0 Bluetooth chip is analyzed (selected), and the GPS positioning chip is captured (timeout mechanism)): if the scene-calibrated Bluetooth beacon fails or the GPS positioning chip fails, the GPS positioning chip periodically wakes up the detection state and responds to the platform instruction to issue; if the scene calibrated Bluetooth beacon is effective/the GPS positioning chip is effective, periodically submitting scene calibrated Bluetooth beacon positioning data, and responding to a platform instruction to issue; if the scene-calibrated Bluetooth beacon fails or the GPS positioning chip is positioned effectively, periodically submitting positioning data of the GPS positioning chip, and responding to platform instructions for issuing; and if the scene calibrated Bluetooth beacon is valid/the GPS positioning chip is invalid, periodically submitting scene calibrated Bluetooth beacon positioning data, and responding to the issuing of a platform instruction.

FIG. 9 is a software flow chart related to the method of the present invention, which details a software flow implementation chart, and describes in detail the working states and power consumption optimization of all modules; and complete realization of product functions. The software flow chart comprises:

1. self-checking the program:

the program self-check mainly comprises the following items: whether NB communication is normal or not; whether the Bluetooth module can normally scan or not; whether the device ID can be normally recognized; whether the data reading of the motion sensor is normal or not; whether the electric quantity is available or not at least ensures that the electric quantity can be kept for one day;

2. establishing an equipment fault code:

01: indicating a bluetooth event (function default off);

02: indicating a GPS event (function default off);

03: a SENSOR event (motion SENSOR monitoring default on, as a source of device continuous wake-up);

04: an NB event (NB communication is closed by default) (the configuration parameter information of the server platform is acquired and is started, and the server platform is always closed to reduce power consumption in normal times, so that excessive power consumption is avoided);

3. location information acquisition

The figure describes how the GPS positioning and the Bluetooth positioning are switched, and in which case the GPS positioning is started and the Bluetooth positioning is started, so that the GPS positioning and the Bluetooth positioning are prevented from being used at the same time to increase the power consumption.

As shown in fig. 9, the method specifically includes the following steps:

after the start, first obtain the device ID (waiting, service, etc. is always on), the module (device) is initialized, including: initializing an equipment fault code; device service timecode (1 byte, 8 events); initializing a power management chip; initializing a power management chip; initializing a GPS positioning chip, testing AT instructions, entering an updating device fault code after success, and entering circulation; initializing a motion sensor chip, setting parameters of the motion sensor chip, and entering into a cycle of updating equipment fault codes after success; the function of a BLE5.0 Bluetooth chip is initialized, a protocol stack of the BLE5.0 Bluetooth chip is initialized, and after success, the equipment fault code is updated to enter circulation; the function of the NBIoT communication module is initialized, the baud rate/parameter is initialized, and after the initialization, the equipment fault code is updated to enter circulation;

detecting whether the electric quantity is too low, if the electric quantity lamp is normally on, the other modules enter a low power consumption state; if not, entering a cycle for updating the equipment fault code;

entering a motion sensor chip (detection device) state stationary or moving from a device fault code entry cycle: if the mobile terminal is in the motion state, scanning the Bluetooth beacon calibrated by the scene, and if the mobile terminal is in the motion state, collecting and submitting; if the GPS positioning chip is not started, positioning data is submitted if positioning exists, and status data is submitted if the positioning does not exist. Then whether the data submission is successful (success or failure) is detected, and a local record is entered. If the mobile terminal is in a static state, scanning the scene-calibrated Bluetooth beacon, detecting whether the scene-calibrated Bluetooth beacon is effective, and entering local recording;

and recording whether the NBIoT communication module is awakened from the local area, wherein the awakening time interval can be set, if the NBIoT communication module is awakened, the NBIoT communication module is subjected to a data submission platform, and if the NBIoT communication module is not awakened, the NBIoT communication module is circularly entered into a motion sensor chip (detection equipment) to be in a static state or move so as to recycle the.

Test data

The experimental data of the method of the invention are shown in table 5, the method of the ultra-low power consumption comprehensive positioning service of the invention reduces the power consumption of the positioning device; increasing the standby time of the positioning device; the comprehensive indoor and outdoor positioning and floor space positioning are realized; the NBIoT communication technology with low cost and wide coverage is adopted, and the communication has advantages compared with the existing 2G and 4G communication and the like; the problems of difficulty in large-scale personnel management, low efficiency and incapability of refining are solved.

TABLE 5 Experimental data for the method of the invention

Serial number	Device name	Antenna with a shield	Reporting interval s	Duration of standby h	Number of reporting	>10m in number	>10 m% of	>30 meters in number	Mean time of star search s	Number of satellite search failures	Performance state
													1	6769	FPC	300	145.5	1750	2	0.10％	1	28.75	0	Is excellent in
2	7442	Ceramic material	300	143.5	1726	1	0.10％	0	27.8	1	Is excellent in
												3	7335	Ceramic material	300	134.75	1621	2	0.10％	0	29.49	0	Is excellent in
4	0348	Ceramic material	300	123.08	1208	14	1.20％	2	30.98	0	Is excellent in
												5	4193	Ceramic material	300	105	1264	16	1.30％	0	33.48	0	Is excellent in
6	9969	Ceramic material	300	101.66	1224	21	1.70％	4	35.44	1	Is excellent in
												7	7319	Ceramic material	300	96.58	1163	55	4.80％	12	37.83	5	In general
8	8374	Ceramic material	300	92.68	1116	20	1.80％	2	37.94	0	In general
												9	4532	Ceramic material	300	44.92	543	11	2.00％	2	33.45	0	Difference (D)
10	4696	Ceramic material	300	43.05	14	0	0.00％	0	36.82	0	Difference (D)
												11	7459	Ceramic material	300	42.21	510	9	1.80％	1	39.76	0	Difference (D)
12	7525	FPC	300	11.92	147	2	1.40％	0	29.02	0	Is excellent in

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A method for ultra-low power integrated location services, comprising the steps of:

the method comprises the following steps: equipment initialization;

step two: each module enters a dormant silent state

Step three: carrying out scene recognition: the method comprises the steps that a master control single chip microcomputer instructs a motion sensor chip to detect scene states, wherein the scene states comprise a static state and a motion state;

step four: each module keeps a dormant silent state: when the scene is identified to be in a static state, the motion sensor chip periodically sleeps and wakes up for detection to judge whether the state changes;

step five: scanning the Bluetooth beacon: when the scene is identified to be in a motion state, starting a Bluetooth chip, and scanning a Bluetooth beacon to judge whether the Bluetooth beacon calibrated by the scene is effective or not;

step six: and (3) acquiring positioning data of a GPS positioning chip: when a Bluetooth beacon calibrated in a scene fails, the GPS positioning chip starts to acquire positioning data of the GPS positioning chip, and the main control singlechip stores the acquired positioning data of the GPS positioning chip;

step seven: bluetooth chip positioning data collection: when the scene-calibrated Bluetooth beacon is effective, the GPS positioning chip is closed, the Bluetooth chip is started, the Bluetooth chip positioning data is collected, and the scene-calibrated Bluetooth beacon positioning data is periodically submitted to the master control single chip microcomputer;

step eight: local storage of positioning data: storing the GPS positioning chip positioning data acquired in the fifth step and the Bluetooth chip positioning data acquired in the sixth step locally;

step nine: and (3) timing transmission positioning data: the response platform stores the GPS positioning chip positioning data and the Bluetooth chip positioning data, and the NBIoT communication module transmits the GPS positioning chip positioning data and the Bluetooth chip positioning data to the cloud platform.

2. The method for ultra low power integrated location services of claim 1, wherein said device initialization comprises: the method comprises the steps of GPS positioning chip initialization, NBIoT communication module function initialization, Bluetooth chip function initialization, motion sensor chip initialization, analog quantity Acquisition (ADC) -electric quantity acquisition initialization, main control single chip microcomputer initialization, obtaining response platform configuration parameters, and finally keeping the motion sensor chip working, wherein the main control single chip microcomputer, the GPS positioning chip, the NBIOT communication module and the Bluetooth chip are all in a closed state.

3. The method for ultra low power integrated location services of claim 1, further comprising device status monitoring: the master control single chip microcomputer works, and the motion sensor chip works to be used for detecting the motion state or the static state of the equipment; and based on whether the equipment is in the scene-calibrated Bluetooth beacon coverage range or not, if the equipment is in the non-scene-calibrated Bluetooth beacon coverage range, positioning by using a GPS positioning chip, and if the equipment is in the scene-calibrated Bluetooth beacon coverage range, using the position related information calibrated by the scene-calibrated Bluetooth beacon.

4. The method of ultra low power integrated location services of claim 1, further comprising a motion sensor chip state analysis for device state analysis, requiring ultra low power configuration of the motion sensor chip, and then using an Inertial Measurement Unit (IMU) for data selection, behavior analysis, data submission to a platform, planning of services, and service provisioning.

5. The method of claim 1, wherein the main control single chip computer is operated, analog quantity Acquisition (ADC) -power analysis, a filtering algorithm is adopted, and a flashing light prompts a user if the power is low, and power data can be periodically submitted to the platform for data service push and power early warning service.

6. The method of claim 1, wherein a BLE5.0 Bluetooth chip scans a Bluetooth beacon calibrated by a scene and periodically wakes up the NBIoT communication module and the data synchronization platform.

7. An apparatus for ultra-low power integrated location services, comprising:

the Bluetooth chip is started when the scene is identified to be in a motion state and is used for scanning the Bluetooth beacon so as to judge whether the Bluetooth beacon calibrated by the scene is invalid or not; when the scene-calibrated Bluetooth beacon is effective, the GPS positioning chip is closed, the Bluetooth chip is started, the Bluetooth chip positioning data is collected, and the scene-calibrated Bluetooth beacon positioning data is periodically submitted to the master control single chip microcomputer;

the GPS positioning chip is started when the Bluetooth beacon calibrated by the scene fails and collects the positioning data of the GPS positioning chip;

the motion sensor chip is controlled by the master control single chip microcomputer and is mainly used for monitoring scene states, wherein the scene states comprise a static state and a motion state; when the scene is identified to be in a static state, the motion sensor chip periodically sleeps and wakes up for detection to judge whether the state is changed;

the NBIoT communication module is used for responding to the platform to store the GPS positioning chip positioning data and the Bluetooth chip positioning data and transmitting the GPS positioning chip positioning data and the Bluetooth chip positioning data to the cloud platform;

and the master control singlechip is connected with the Bluetooth chip, the GPS positioning chip, the motion sensor chip and the NBIoT communication module and is used for controlling the working mode of the whole device of the ultra-low power consumption comprehensive positioning service.

8. The apparatus of an ultra low power integrated location service of claim 7, wherein the operating mode of the apparatus of an ultra low power integrated location service comprises:

periodic deep sleep mode: according to the working period set by the NBIoT communication module, the NBIoT communication module sends collected data to the platform, if the platform needs to send a downlink instruction, the platform needs to wait for the NBIoT communication module to wake up periodically to respond, and response delay is determined according to the sending period of the NBIoT communication module;

periodic mild sleep mode: according to the working period set by the NBIoT communication module, the NBIoT communication module sends collected data to a platform, the NBIoT communication module enters a light sleep mode after sending is completed, and at the moment, a platform downlink instruction can be intermittently responded;

an emergency mode; and when an emergency occurs, the platform sends a downlink instruction to the NBIoT communication module, and the NBIoT communication module needs to wait for the next cycle of awakening and receiving the instruction and enters an emergency mode.

9. The apparatus for ultra low power integrated location services of claim 7, further comprising a power management chip.