CN208421246U - A kind of low-power dissipation system based on the positioning of GPS/ Beidou bimodulus - Google Patents
A kind of low-power dissipation system based on the positioning of GPS/ Beidou bimodulus Download PDFInfo
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Abstract
The low-power dissipation system based on the positioning of GPS/ Beidou bimodulus of the utility model, including single chip control module and the GPS/ Beidou bimodulus locating module being electrically connected with single chip control module, GPRS/NB-IOT module, wake-up module, power module；The GPS/ Beidou bimodulus locating module obtains location information and sends location information to the single chip control module；The single chip control module connects internet by GPRS/NB-IOT module, and location information and warning information are uploaded onto the server；The wake-up module generates wake-up signal and sends the single chip control module to；The power module provides power supply to the single chip control module, GPS/ Beidou bimodulus locating module, GPRS/NB-IOT module and wake-up module；The single chip control module receives wake-up signal, and controls the power module and wake up the GPS/ Beidou bimodulus locating module and GPRS/NB-IOT module.The low-power dissipation system is in dormant state in idle, the GPS/ Beidou bimodulus locating module and GPRS/NB-IOT module, and power consumption is extremely low.
Description
Technical field
The utility model relates to anti-theft positioning technology fields, more particularly to a kind of based on the low of GPS/ Beidou bimodulus positioning
Power consumption system.
Background technique
With becoming increasingly active for market economy, people 's material life level is continuously improved, and floating population is more and more, and robber robs
Crime rate is in raising trend, causes heavy losses to the property of people and threatens, and the public security task of various regions is also increasingly heavier.For
It ensures the safety of people's property, and preferably cooperates connecing to deal with emergencies and dangerous situations and handling dependent event for public security department, since positioning system can
The real time monitoring and scheduling to target are efficiently accomplished with high precision, so being widely used in the guarding against theft of mobile surface targets.
Positioning product currently on the market mainly passes through GPS positioning and uses GPRS upload information, but since GPS is fixed
Power consumption when position and GPRS work is all very high, is easy to appear battery in the long-term use and exhausts, can not be further continued for monitoring
Mobile target makes mobile target be easy to appear the stolen accident robbed.
Utility model content
Based on this, the purpose of the utility model is to provide it is a kind of based on GPS/ Beidou bimodulus positioning low-power dissipation system,
Have many advantages, such as that setting accuracy is high, low in energy consumption.
It is a kind of based on GPS/ Beidou bimodulus positioning low-power dissipation system, including single chip control module and with single-chip microcontroller control
The GPS/ Beidou bimodulus locating module of module electrical connection, GPRS/NB-IOT module, wake-up module, power module；The single-chip microcontroller
Control module plays master control；The GPS/ Beidou bimodulus locating module obtains location information and sends location information to described
Single chip control module；The single chip control module connects internet by GPRS/NB-IOT module, by location information and announcement
Alert information is uploaded onto the server；The wake-up module generates wake-up signal and sends the single chip control module to；The electricity
Source module is provided to the single chip control module, GPS/ Beidou bimodulus locating module, GPRS/NB-IOT module and wake-up module
Power supply；The single chip control module receives wake-up signal, and it is fixed to control the power module wake-up GPS/ Beidou bimodulus
Position module and GPRS/NB-IOT module.
Compared with the existing technology, the low-power dissipation system based on the positioning of GPS/ Beidou bimodulus of the utility model is in idle
Dormant state, i.e. single chip control module in a dormant state, and control GPS/ Beidou bimodulus locating module and GPRS/NB-IOT
The power supply disconnection of module makes it not work completely, therefore power consumption of the whole system during suspend mode is extremely low.When mobile target goes out
When existing abnormal vibrations or inclination, the wake-up module generates wake-up signal immediately to wake up single chip control module, single-chip microcontroller control
Molding block is powered on by power module to GPS/ Beidou bimodulus locating module and GPRS/NB-IOT module, and it is double to wake up GPS/ Beidou
Mould locating module and the work of GPRS/NB-IOT module, carry out position monitor to mobile target in time, and by GPRS/NB-IOT mould
Block uploads onto the server relevant information.Working condition is all kept since the positioning system does not need the moment, it only need to be different in appearance
Fast wake-up just can work in time when reason condition, therefore can achieve the purpose of power saving, low in energy consumption, and extend system uses the longevity
Life.
Further, the wake-up module includes the vibrating sensor being electrically connected with the single chip control module；It is described
Wake-up signal is generated after the vibration of the mobile target of vibrating sensor induction, and the wake-up signal is transmitted to single-chip microcontroller control mould
Block.The module generates wake-up signal and is transmitted to single chip control module for incuding the vibration of mobile target in time, so as to list
Piece machine control module wakes up GPS/ Beidou bimodulus locating module and GPRS/NB-IOT module in time from wake-up simultaneously, so as to
GPS/ Beidou bimodulus locating module carries out locating and monitoring to mobile target in time, and will be positioned by GPRS/NB-IOT module
Information and warning information are uploaded onto the server.
Further, the power module include power supply and with the GPS/ Beidou bimodulus locating module, the GPRS/
The metal-oxide-semiconductor of NB-IOT module and the power electric connection；The single chip control module by control the metal-oxide-semiconductor conducting or
It disconnects to control the work or suspend mode of the GPS/ Beidou bimodulus locating module and the GPRS/NB-IOT module.Pass through monolithic
Machine control module powers on wake-up to GPS/ Beidou bimodulus locating module and GPRS/NB-IOT module to control the conducting of metal-oxide-semiconductor, and
And the power consumption after powering off is preferably minimized.
Further, the system also includes GNSS antennas；The GNSS antenna and the GPS/ Beidou bimodulus positioning mould
It is connected between block by a conducting wire, the transmission for data between position location satellite and the GPS/ Beidou bimodulus locating module.
Further, the GNSS antenna is direct insertion onboard ceramic antenna.
Further, the system also includes MAIN_ANT days be electrically connected with the GPS/ Beidou bimodulus locating module
Line.The setting uploads to public network management platform for system test data.
Compared with the existing technology, the utility model detects the vibration of mobile target by wake-up module, when mobile target hair
When raw abnormal vibrations or inclination, wake-up module generates wake-up signal immediately to wake up single chip control module, and single-chip microcontroller controls mould
Block is powered on by power module metal-oxide-semiconductor to GPS/ Beidou bimodulus locating module and GPRS/NB-IOT module, and it is double to restore GPS/ Beidou
The work of mould locating module carries out position monitor to mobile target in time, and is uploaded relevant information by GPRS/NB-IOT module
To server.Single chip control module obtains location information by bimodulus positioning system, and calculates orientation distance, while single-chip microcontroller
Site name, location information and positioning time are uploaded to public network management platform by control module, so that staff is to mobile mesh
Mark carries out effective monitoring.After system suspend mode for a period of time, single chip control module is from wake-up, and it is double to wake up GPS/ Beidou simultaneously
Mould locating module and the work of GPRS/NB-IOT module carry out position monitor to mobile target in time.In addition, determining when mobile target
When position distance is greater than the safe distance, GPRS/NB-IOT module uploads onto the server warning information, facilitates mobile target
It alarms in time to staff when abnormal, and takes counte-rplan to guarantee the safety of mobile target.
In order to better understand and implement, according to the present invention will be described in detail below with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model；
Fig. 2 is total functional block diagram of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model；
Fig. 3 is the wake-up schematic diagram of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model；
Fig. 4 is the power bay composition of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than a.
Referring to Fig. 1, it is the structural schematic diagram of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model.
The low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model, including single chip control module 10 and and monolithic
GPS/ Beidou bimodulus locating module 20, GPRS/NB-IOT module 30, wake-up module 40 and the power supply that machine control module 10 is electrically connected
Module 50；The single chip control module 10 plays master control；The GPS/ Beidou bimodulus locating module 20 obtains location information
And send location information to the single chip control module 10；The single chip control module 10 passes through GPRS/NB-IOT mould
Block 30 connects internet, and location information and warning information are uploaded onto the server；The wake-up module 40 generates wake-up signal simultaneously
Send the single chip control module 10 to；The power module 50 gives the single chip control module 10, GPS/ Beidou bimodulus
Locating module 20, GPRS/NB-IOT module 30 and wake-up module 40 provide power supply；The single chip control module 10, which receives, to be waken up
Signal, and control the power module 50 and wake up the GPS/ Beidou bimodulus locating module 20 and GPRS/NB-IOT module 30.
Referring to Fig. 2, it is total functional block diagram of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model.
Single-chip microcontroller used by the single chip control module 10, i.e. the model selection MICROCHIP series of MCU
PIC16F1454-I/ST, single-chip microcontroller inside carry power-on reset function, do not need external RC and reset, and built-in maximum 32MHZ
Crystal oscillator has many advantages, such as that small in size, low in energy consumption, operating voltage is low, supports batch programming without external crystal oscillator.?
When line programs, using ICSP download interface, the port ICSPDAT, ICSPCLK, MCLR, VCC and GND of single-chip microcontroller is connected to
PICKIT3 programmable device, programmable device, which is connected to computer by USB line, can realize online programming, by online when software debugging
Programming can dismantle programming to avoid chip；When batch production, the burning that fever writes carry out program can also be connected by serial ports, fast
It is convenient.The power supply power supply mode of the single-chip microcontroller can be a variety of.Specifically, it can be mode one: by the power input of single-chip microcontroller
Port connect the power supply for obtaining 1.8V with the output port of the voltage stabilizing chip LDO of power module 50；Mode two: by the electricity of single-chip microcontroller
Source input port is connect with the port VDD_EXT of locating module chip BG36MA-128-SGNS, at this point, the serial port power of single-chip microcontroller
It is synchronous for putting down with the level of locating module, does not need level shifting circuit using this power supply mode；Mode three: by single-chip microcontroller
Power input port be connected to power module 50 boost chip output port obtain 3.8V power supply, using this connection list
The serial ports level of piece machine is 3.8V, and the level of locating module is 1.8V, it is therefore desirable to increase level shifting circuit.Preferably,
Employing mode one provides stable power supply to single-chip microcontroller in this case.
The single chip control module 10 is turned on or off by controlling the metal-oxide-semiconductor of the power module 50 to control
State GPS/ Beidou bimodulus locating module 20 and the GPRS/NB-IOT module 30 work or suspend mode.Specifically, the single-chip microcontroller control
Molding block 10 is set with the auto sleep time, and start recording is worth at the first time when receiving wake-up signal；It is also set with to supervise
Safe distance centered on survey station point, and calculated between mobile target and monitoring station by the location information of mobile target
Orientation distance.When first time value is greater than the auto sleep time and orientation distance is less than the safe distance, the list
The metal-oxide-semiconductor that piece machine control module 10 controls power module 50 is disconnected to control the GPS/ Beidou bimodulus locating module 20 and described
GPRS/NB-IOT module 30 stops working into suspend mode, and automatically into not after 20 suspend mode of GPS/ Beidou bimodulus locating module
It sleeps.
The single chip control module 10 is also set with the System self-test time, and in the GPS/ Beidou bimodulus locating module
20 and the GPRS/NB-IOT module 30 enter suspend mode when the second time value of start recording；When the second time value is greater than the system
Unite the self-test time when, the single chip control module 10 from wake up and issue signal control metal-oxide-semiconductor conducting it is described to control
GPS/ Beidou bimodulus locating module 20 and the GPRS/NB-IOT module 30 work so that whole system carries out self-test, record system
System self-inspection data, and will be in the System self-test data by the channel GPRS or NB-IOT of the GPRS/NB-IOT module 30
Pass to server or public network management platform.Specifically, when the System self-test data include site name, location information and positioning
Between, the System self-test time can be 1 month or other times.
The GPS/ Beidou bimodulus locating module 20 obtains location information and sends location information to the single-chip microcontroller control
Molding block 10；The GPRS/NB-IOT module 30 is used for the transmission of related data.20 He of GPS/ Beidou bimodulus locating module
GPRS/NB-IOT module 30 is integrated in a module chip, model are as follows: BG36MA-128-SGNS.The BG36MA-128-SGNS
Chip interior integrates GNSS and GPRS/NB-IOT function, and port GNSS_ANT is the port for connecting GNSS antenna, and it is fixed to have
Position, the function of navigating, function default are to close, and need to be opened with AT order.The system also includes GNSS antennas；It is described
It is connected between GNSS antenna and the GPS/ Beidou bimodulus locating module 10 by a conducting wire, for position location satellite and the GPS/
The transmission of data between Beidou bimodulus locating module 10.GNSS antenna uses direct insertion onboard ceramic antenna in present design,
GNSS antenna is by the port GNSS_ANT connection of GNSS antenna and BG36MA-128-SGNS, and by GNSS antenna and port GNSS_
Wiring impedance between ANT is controlled in 50ohm, that is, can guarantee that BG36MA-128-SGNS normally receives satellite-signal；Its port
MAIN_ANT is the antenna port of channel GPRS/NB_IoT, for the transmission of data, and can be carried out by 2G, 3G and LTE signal
The transmission of data.Specifically, a conducting wire conduct is drawn by the port MAIN_ANT in BG36MA-128-SGNS in the design
MAIN_ANT antenna.Furthermore it is also possible to reserve external antenna socket on circuit boards, need to install antenna when external antenna
?.The external antenna uses the gloomy ridge SLA-100020108-F14 in Dongguan, which is that 108mm, GSM frequency range are 900/
1800MHZ, antenna gain 2.0dBi.For connecting SIM card, function is used for for the port SIM of the BG36MA-128-SGNS chip
Registration uploads data and short message receiving-transmitting, and specifically, SIM uses Nano SIM card, and SIM card holder uses eject deck.
The power supply mode of the BG36MA-128-SGNS chip can be a variety of.Specifically, power supply employed in the design
Mode is: being supplied by the conducting that single chip control module 10 controls the metal-oxide-semiconductor of power module 50 to BG36MA-128-SGNS chip
Electricity effectively prevent locating module to GPS/ Beidou bimodulus locating module 20 and GPRS/NB-IOT module for power supply, the power supply mode
It hangs extremely, and the power consumption after locating module power-off can be preferably minimized.
Referring to Fig. 3, it is the wake-up solution principle of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model
Figure.
The wake-up module 40 includes the vibrating sensor being electrically connected with the single chip control module 10；The vibrating sensing
Wake-up signal is generated after the vibration of the mobile target of device induction, and the wake-up signal is transmitted to single chip control module 10.Originally it sets
In meter, sensor uses the CSX-SEN-180A of the bright company that makes the science and technology prosperous of Shenzhen, and the sensor of the model has small in size, induction
The advantages that high sensitivity, more reliably to monitor the vibration of mobile target, while being monitored using two-way sensor.By two
CSX-SEN-180A sensor is connected respectively to the port interruption the I/O RC1 and RA0 of single-chip microcontroller.It is robbed when occurring to steal, mobile target is just
It can vibrate or tilt, two sensors will monitor to vibrate, and generate wake-up signal, and specifically, which is that height becomes
The level signal of change.Single-chip microcontroller monitors that the level change on the port RC1 and RA0 will make an immediate response interruption, sentenced by program
The metal-oxide-semiconductor of power module 50 is connected in disconnected and then sending signal, controls GPS/ Beidou bimodulus locating module 20 and GPRS/NB-IOT
Module 30, which powers on, resumes work, and to position in time to mobile target, and related data is uploaded onto the server.
Specifically, two CSX-SEN-180A sensors are connected respectively to the port RC1 and RA0 of singlechip interruption I/O,
The port RC3 of single-chip microcontroller is connect with the input port of the metal-oxide-semiconductor of power module 50, by metal-oxide-semiconductor output port and GPS/ Beidou
The port VBAT of 20 chip of bimodulus locating module connects.It is robbed when occurring to steal, mobile target will be vibrated or be tilted, and two sensors are just
It can monitor to vibrate, and the level signal for generating height variation sends single-chip microcontroller to.Single-chip microcontroller monitors on the port RC1 and RA0
Level change will make an immediate response interruption, RC3 sending GPS/ Beidou bimodulus positioning mould in port is passed through by program judgement
The metal-oxide-semiconductor of power module 50 is connected in block 20 and the power control signal of GPRS/NB-IOT module 30, thus double to GPS/ Beidou
Mould locating module 20 and the offer power supply of GPRS/NB-IOT module 30 are to resume work, to be positioned in time to mobile target, and
Related data is uploaded onto the server.
Referring to Fig. 4, it is the power bay composition of the low-power dissipation system of the GPS/ Beidou bimodulus positioning of the utility model.
The power module 50 includes boost chip, metal-oxide-semiconductor and LDO voltage stabilizing chip.Specifically, external input 2V power supply arrives
Boost chip brings the voltage up to 3.8V by boost chip and is output to metal-oxide-semiconductor and power supply voltage stabilizing chip LDO, voltage stabilizing chip
1.8V power supply is exported after LDO pressure stabilizing to the power port VDD of single-chip microcontroller, provides working power to single-chip microcontroller.The input of the metal-oxide-semiconductor
Port and the port RC3 of MCU connect, and the power input of output port and positioning module chip BG36MA-128-SGNS connect
It connects.MCU issues control signal to metal-oxide-semiconductor by the port RC3, drives being turned on or off to control the GPS/ Beidou for metal-oxide-semiconductor
Bimodulus locating module 20 and 30 power supply of GPRS/NB-IOT module are turned on or off.
Specifically, the model TPS61030RSA of power boost chip.
When the orientation distance of mobile target is greater than the safe distance, the GPRS/NB-IOT module is by warning information
It uploads onto the server, helps to alarm to staff in time when mobile target exception, and take counte-rplan to guarantee
The safety of mobile target.
Compared with the existing technology, the utility model detects the vibration of mobile target by wake-up module 40, when mobile target
When being abnormal vibration or inclination, wake-up module 40 generates the wake-up signal of low and high level variation immediately to wake up single-chip microcontroller control
Module 10, single chip control module 10 is by the metal-oxide-semiconductor of power module 50 to GPS/ Beidou bimodulus locating module 20 and GPRS/
NB-IOT module 30 powers on, and restores the work of GPS/ Beidou bimodulus locating module 20 and GPRS/NB-IOT module 30 in time to shifting
Moving-target carries out position monitor, and related data is uploaded onto the server；Single chip control module 10 passes through GPS/ Beidou bimodulus
Locating module 20 obtains location information, and calculates orientation distance, while single chip control module 10 is by site name, location information
It is uploaded to public network management platform with positioning time, so that staff carries out effective monitoring to mobile target.Meanwhile stopping in system
It sleeps after a period of time, single chip control module 10 can be from wake-up, and wakes up GPS/ Beidou bimodulus locating module 20 and GPRS/ simultaneously
NB-IOT module 30 works and carries out position monitor to mobile target in time.In addition, described in being greater than when the orientation distance of mobile target
When safe distance, the GPRS/NB-IOT module uploads onto the server warning information, facilitates timely when mobile target exception
It alarms to staff, and takes counte-rplan to guarantee the safety of mobile target.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.
Claims (6)
1. it is a kind of based on GPS/ Beidou bimodulus positioning low-power dissipation system, it is characterised in that: including single chip control module and with
The GPS/ Beidou bimodulus locating module of single chip control module electrical connection, GPRS/NB-IOT module, wake-up module, power module；
The single chip control module plays master control；The GPS/ Beidou bimodulus locating module obtains location information and by location information
Send the single chip control module to；The single chip control module connects internet by GPRS/NB-IOT module, will determine
Position information and warning information are uploaded onto the server；The wake-up module generates wake-up signal and sends the single-chip microcontroller control mould to
Block；The power module is to the single chip control module, GPS/ Beidou bimodulus locating module, GPRS/NB-IOT module and calls out
Module of waking up provides power supply；The single chip control module receives wake-up signal, and controls the power module and wake up the GPS/
Beidou bimodulus locating module and GPRS/NB-IOT module.
2. the low-power dissipation system according to claim 1 based on the positioning of GPS/ Beidou bimodulus, it is characterised in that: the wake-up
Module includes the vibrating sensor being electrically connected with the single chip control module；The vibrating sensor incudes the vibration of mobile target
Wake-up signal is generated after dynamic, and the wake-up signal is transmitted to single chip control module.
3. the low-power dissipation system according to claim 1 based on the positioning of GPS/ Beidou bimodulus, it is characterised in that: the power supply
Module includes power supply and is electrically connected with the GPS/ Beidou bimodulus locating module, the GPRS/NB-IOT module and the power supply
The metal-oxide-semiconductor connect；The single chip control module is double to control the GPS/ Beidou by controlling being turned on or off for the metal-oxide-semiconductor
The work or suspend mode of mould locating module and the GPRS/NB-IOT module.
4. the low-power dissipation system according to claim 1 based on the positioning of GPS/ Beidou bimodulus, it is characterised in that: the system
It further include GNSS antenna；It is connected between the GNSS antenna and the GPS/ Beidou bimodulus locating module by a conducting wire.
5. the low-power dissipation system according to claim 4 based on the positioning of GPS/ Beidou bimodulus, it is characterised in that: the GNSS
Antenna is direct insertion onboard ceramic antenna.
6. the low-power dissipation system according to claim 1 based on the positioning of GPS/ Beidou bimodulus, it is characterised in that: the system
It further include the MAIN_ANT antenna being electrically connected with the GPS/ Beidou bimodulus locating module.
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| CN109471136A (en) * | 2018-11-15 | 2019-03-15 | 重庆邮电大学 | A kind of miniature low-power consumption positioning device |
| CN110190868A (en) * | 2019-05-28 | 2019-08-30 | 高新兴物联科技有限公司 | Wake-up circuit and IoT device |
| CN110361764A (en) * | 2019-07-04 | 2019-10-22 | 佛山科学技术学院 | A kind of low-power consumption locator and positioning bracelet |
| CN110568465A (en) * | 2019-09-19 | 2019-12-13 | 国网山东省电力公司淄博供电公司 | GPS-based intelligent vehicle positioning system and method |
| CN111866737A (en) * | 2020-06-15 | 2020-10-30 | 上海万位数字技术有限公司 | Wireless positioning equipment and method capable of being awakened in real time |
| CN112180399A (en) * | 2020-09-27 | 2021-01-05 | 湖北省国土测绘院 | Signal transmitter facing intelligent boundary pile and control method |
| CN112904381A (en) * | 2021-01-14 | 2021-06-04 | 浙江航芯科技有限公司 | GPS module debugging method, dual-mode Internet of things chip, terminal equipment and storage medium |
| CN113031038A (en) * | 2021-03-01 | 2021-06-25 | 北京睿芯高通量科技有限公司 | Multi-adaptability positioning system and method based on GPS, Beidou and NB-IoT |
| CN114076963A (en) * | 2020-08-11 | 2022-02-22 | 上海复控华龙微系统技术有限公司 | Control device and control system of Beidou equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109471136A (en) * | 2018-11-15 | 2019-03-15 | 重庆邮电大学 | A kind of miniature low-power consumption positioning device |
| CN110190868A (en) * | 2019-05-28 | 2019-08-30 | 高新兴物联科技有限公司 | Wake-up circuit and IoT device |
| CN110361764A (en) * | 2019-07-04 | 2019-10-22 | 佛山科学技术学院 | A kind of low-power consumption locator and positioning bracelet |
| CN110568465A (en) * | 2019-09-19 | 2019-12-13 | 国网山东省电力公司淄博供电公司 | GPS-based intelligent vehicle positioning system and method |
| CN111866737A (en) * | 2020-06-15 | 2020-10-30 | 上海万位数字技术有限公司 | Wireless positioning equipment and method capable of being awakened in real time |
| CN114076963A (en) * | 2020-08-11 | 2022-02-22 | 上海复控华龙微系统技术有限公司 | Control device and control system of Beidou equipment |
| CN112180399A (en) * | 2020-09-27 | 2021-01-05 | 湖北省国土测绘院 | Signal transmitter facing intelligent boundary pile and control method |
| CN112904381A (en) * | 2021-01-14 | 2021-06-04 | 浙江航芯科技有限公司 | GPS module debugging method, dual-mode Internet of things chip, terminal equipment and storage medium |
| CN112904381B (en) * | 2021-01-14 | 2024-05-07 | 浙江航芯科技有限公司 | GPS module debugging method, dual-mode Internet of things chip, terminal equipment and storage medium |
| CN113031038A (en) * | 2021-03-01 | 2021-06-25 | 北京睿芯高通量科技有限公司 | Multi-adaptability positioning system and method based on GPS, Beidou and NB-IoT |
| CN113031038B (en) * | 2021-03-01 | 2023-11-14 | 北京睿芯高通量科技有限公司 | Multi-adaptability positioning system and method based on GPS, beidou and NB-IoT |
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