CN111478422A - Self-powered positioning and tracking integrated module and assembling method thereof - Google Patents
Self-powered positioning and tracking integrated module and assembling method thereof Download PDFInfo
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- CN111478422A CN111478422A CN202010382908.9A CN202010382908A CN111478422A CN 111478422 A CN111478422 A CN 111478422A CN 202010382908 A CN202010382908 A CN 202010382908A CN 111478422 A CN111478422 A CN 111478422A
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- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 4
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/46—Accumulators structurally combined with charging apparatus
- H01M10/465—Accumulators structurally combined with charging apparatus with solar battery as charging system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a self-powered positioning and tracking integrated module and an assembling method thereof, wherein the integrated module comprises the following components which are sequentially connected from top to bottom: a solar cell layer including a solar cell, and a plurality of antennas; the energy storage battery layer comprises a plurality of energy storage battery packs; and the comprehensive electronic layer is used for controlling the maximum power generation of the solar battery, preferentially providing a load, providing power supply management and system positioning data acquisition and data transmission when the whole system works, and storing redundant energy in the energy storage battery pack. The positioning and tracking module is integrated on the self-powered module, so that the integration and miniaturization are realized, and the self-powered module adopts a power supply mode combining a solar battery and an energy storage battery to realize the closed loop circulation of energy; the positioning and power supply integrated module does not need to be charged, provides 24-hour uninterrupted positioning and tracking service outdoors, and sends positioning data to a terminal user through NB-IoT internet of things communication.
Description
Technical Field
The invention belongs to the field of application of Internet of things, and relates to a self-powered positioning and tracking integrated module and an assembling method thereof.
Background
The era of everything interconnection is also the era of data king, however, in many times, the absence of corresponding position information means that the data is 'disordered', and the available value is greatly reduced.
With the vigorous development of the internet of things, the requirements of the positioning technology on various application scenes of the internet of things are greatly improved. The long-distance positioning is realized by two modes of positioning such as GPS and Beidou satellite and mobile base station positioning.
The GPS satellite positioning technology is mature and has realized global application. Beidou satellite positioning is independently researched and developed by China, and an all-weather regional satellite positioning system is provided for users by using geostationary satellites. The method can quickly determine the geographic position of the target or the user and provide navigation information for the user and a competent department.
The GPS positioning module is called as a GPS receiving module, the independent GPS receiving module does not have a communication function, only searches a current satellite, then receives a broadcast signal of the GPS satellite, obtains the distance between the GPS module and the satellite through calculation, and determines the longitude and latitude information of the current GPS module for positioning through triangulation positioning.
The GPS positioning module has single function, and the communication between the GPS modules needs to be connected with the GPS positioning module in a wired mode and then sends out the positioning data in a wireless communication mode (radio station, 2G, 3G, 4G, Bluetooth, NBIOT and the like).
Disclosure of Invention
The invention aims to solve the problem of single function of the existing GPS positioning module, and provides a self-powered positioning and tracking integrated module. In the daytime, the solar cell generates electricity under the sunlight to provide full module power supply, and redundant energy is used for charging the energy storage battery; at night, under no illumination, the energy storage battery supplies power for the module, and closed loop circulation of energy is realized. The positioning and power supply integrated module does not need to be charged, and can provide 24-hour uninterrupted positioning and tracking service all day long as the positioning and power supply integrated module works outdoors; the positioning and tracking employs GPS satellites to communicate and transmit positioning data to end users through NB-IoT Internet of things (i.e., narrowband Internet of things, hereinafter NB-IoT).
In order to achieve the above object, the present invention provides a self-powered positioning and tracking integrated module, which comprises, in order from top to bottom:
the solar cell layer comprises a solar cell and a plurality of antennas arranged on the solar cell;
the energy storage battery layer comprises a plurality of energy storage battery packs;
and the comprehensive electronic layer is used for controlling the maximum power generation of the solar battery, preferentially providing a load so as to provide power supply management and acquisition of system positioning data and transmission of data when the whole system works, and storing redundant energy in the energy storage battery pack.
Preferably, the solar cell is composed of a single junction gallium arsenide solar cell and a glass cover plate.
Preferably, the antenna is an inverted-F antenna.
Preferably, the antenna comprises: and the GPS antenna is arranged on the solar cell top plate.
Preferably, the antenna comprises: and the NB antenna is arranged on the bottom surface of the solar cell.
Preferably, the energy storage battery layer is an all-solid-state thin film lithium battery.
Preferably, the integrated electronic layer comprises a micro-energy collection and charging management chip, a GPRS/NB-IOT + GPS integrated module, an MCU chip and an SIM card. The GPRS/NB-IOT + GPS integrated module refers to a module integrating GPRS and GPS, or a module integrating NB-IOT and GPS.
Preferably, the micro energy collection and charge management chip selects a PMU ADP5091 chip.
Preferably, the SIM card is selected as a nano SIM card.
The invention also provides an assembling method of the self-powered positioning and tracking integrated module, which comprises the following steps:
s1, mounting a plurality of lithium batteries to form an energy storage battery layer;
s2, coaxially interconnecting the solar cell layer, the energy storage cell layer and the comprehensive electronic layer; the coaxial interconnection comprises signal interconnection among different layers and interconnection among a plurality of lithium batteries;
s3, encapsulating electronic glue and bonding AB glue between lithium battery layers of the energy storage battery layer and at the connecting part of the lithium battery and the comprehensive electronic layer;
s4, polishing and grinding;
s5, installing the GPS antenna on a top plate of the solar cell, installing the NB antenna on the bottom surface of the solar cell, and debugging the antenna;
and S6, bonding the solar cell on the energy storage cell layer.
According to the positioning and tracking integrated module provided by the invention, the positioning and tracking module is integrated on the self-powered module, so that the size is greatly reduced, and the integration and miniaturization are realized. The self-powered module adopts a power supply mode combining a solar battery and an energy storage battery. The solar battery generates electricity under the sunlight in the daytime to supply power for the integrated module, and redundant energy is stored; when no light or insufficient light is emitted at night, the energy storage battery layer supplies power to the integrated module, and closed-loop circulation of energy is realized. The positioning and power supply integrated module does not need to be charged, and can provide 24-hour uninterrupted positioning and tracking service all day long as the positioning and power supply integrated module works outdoors; the positioning tracking adopts a GPS satellite, and the positioning data is sent to the terminal user through NB-IoT internet of things communication.
Drawings
Fig. 1 is an exploded view of a self-powered location and tracking integrated module according to the present invention.
FIG. 2 is a flow chart of the interlayer interconnect and housing package design process.
Fig. 3 is a design diagram of a solar cell.
Fig. 4 is a schematic diagram of a PIFA antenna.
FIG. 5 is a diagram of the integrated electronics layer circuitry architecture.
Description of the reference numerals
NB antenna 122
Energy storage cell layer 20
PMU ADP5091 chip 31
GPRS/NB-IOT + GPS integrated module 32
MCU chip 33
nano Sim card 34.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the integrated module is composed of a solar cell layer, an energy storage cell and an integrated electronic three layer. The uppermost layer is a solar cell layer 10, which includes a plurality of solar cells 11 and an antenna. The solar cell 11 is composed of a single junction gallium arsenide solar cell and a glass cover plate, a GPS antenna 121 grows on the upper side face of a top plate, and an NB antenna 122 grows on the bottom face of the top plate. The second layer is the energy storage cell layer 20. The third layer is a comprehensive electronic layer 30, which is used for realizing maximum power generation of the solar battery, preferentially providing a load, storing redundant energy in an energy storage battery pack, and providing power supply management and acquisition of system positioning data and transmission of data when the whole system works. The integrated electronic layer is composed of a Power Management Unit (PMU), a GPS positioning chip, an NB-IoT and single chip microcomputer (MCU chip), a nano Sim card and corresponding auxiliary circuits. The power management unit is used for micro-energy collection and charging management.
The process flow diagram of the interlayer interconnection and housing packaging design of the integrated module of the invention is shown in fig. 2, and comprises the following steps:
s1, mounting a plurality of lithium batteries (namely thin film battery layers) to form an energy storage battery layer 20;
s2, coaxially interconnecting the solar cell layer, the energy storage cell layer and the comprehensive electronic layer; the coaxial interconnection comprises signal interconnection and power end coaxial interconnection among different layers; the method also comprises interconnection among a plurality of lithium batteries, wherein the lithium batteries are coaxially interconnected, and the output ends of the lithium batteries are connected together, so that the method is equivalent to a lithium battery with a very large capacity;
s3, encapsulating electronic glue and bonding AB glue between lithium battery layers of the energy storage battery layer and at the connecting part of the lithium battery and the comprehensive electronic layer;
s4, polishing and grinding to enable different layers to be better attached;
s5, installing the GPS antenna on a top plate of the solar cell, installing the NB antenna on the bottom surface of the solar cell, and debugging the antenna;
and S6, bonding the solar cell on the energy storage cell layer.
The front electrode of the solar cell is a negative electrode, and the back surface of the solar cell is a positive electrode. The electrical connection can be achieved by various methods such as resistance welding and gold wire welding. As shown in fig. 3, when the front surface is connected, the welding region is the bus bar. Considering that the current is small in milliampere level when the gallium arsenide solar cell works, the proper number of gold wires can be selected according to the diameter of the gold wires. The entire area of the back side of the battery can be used for positive connection, and gold wire bonding is performed on the other side (back side lead) of the front side lead.
The basic model of the PIFA (inverted F antenna) is shown in fig. 4, where the feeder line is the central vertical line, the right vertical line is the radio frequency short circuit point, inductive is introduced and resonance (signal not affecting direct current) is generated, the right upper horizontal line is the antenna main body, and its length is 1/4 wavelength.
The energy storage battery layer is designed by adopting an all-solid-state thin film lithium battery, and has the advantages of small thickness, high energy density and good rate capability, and lithium cobaltate (L iCoO) is adopted2) The lithium metal is prepared as the anode and the cathode, the thickness of the anode and the cathode is only 2 mu m, 30C discharge and 10C charge can be realized, and 10000 times of deep cycle use can be realized.
Fig. 5 shows a comprehensive electronic layer, which mainly implements energy management of the solar cell and the energy storage battery, and controls the working states of the positioning system and the data transmission system at various stages, such as start, working, sleep, and the like. The system mainly comprises a PMU ADP5091 chip, a GPRS/NB-IOT + GPS integrated module (namely, an NB-IOT chip), an MCU chip, a nano Sim card and corresponding auxiliary circuits (such as an isolation level matching circuit). The PMU ADP5091 chip is connected with the solar cell 11 through a solar cell connection interface to collect energy; the PMU ADP5091 chip is connected with the energy storage battery layer 20 through a lithium battery connection interface, charges the thin film battery layer and stores redundant energy; the PMU ADP5091 chip is also respectively connected with the GPRS/NB-IOT + GPS integrated module, the isolation level matching circuit and the MCU chip to provide voltage. The GPRS/NB-IOT + GPS integrated module is respectively connected with a GPS antenna and an NB antenna and is used for collecting GPS satellite signals for positioning and tracking; the GPRS/NB-IOT + GPS integrated module is also connected with an SIM card (preferably a nano SIM card), transmits the collected GPS satellite signals to the SIM card, and transmits the data to the terminal user by the SIM card; the MCU chip performs data interaction with the GPRS/NB-IOT + GPS integrated module through the isolation level matching circuit, performs information interaction, control positioning and communication data interaction and transmission with the PMU, and performs flow control on the whole working state of the module.
The energy Management chip, namely, the Power Management Unit (PMU), is used to output the maximum Power of the solar cell, convert the output voltage into a stable high voltage, provide the working voltage of other chips, and store the surplus electric quantity output by the solar cell in the energy storage battery pack.
The integrated module provided by the invention is an integrated miniature self-powered positioning module, the size of the integrated miniature self-powered positioning module is 24mm × 24mm × 4mm, the integrated antenna is embedded in the integrated miniature self-powered positioning module in combination with the Internet of things communication and ultra-low power consumption management technology, and the integrated miniature self-powered positioning module can continuously work for 24 hours all day.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. The utility model provides a self-powered location tracking integration module which characterized in that contains and connects gradually the setting by last to down:
the solar cell layer comprises a solar cell and a plurality of antennas arranged on the solar cell;
the energy storage battery layer comprises a plurality of energy storage battery packs;
and the comprehensive electronic layer is used for controlling the maximum power generation of the solar battery, preferentially providing a load, providing power supply management and acquisition and transmission of positioning data when the whole integrated module works, and storing redundant energy in the energy storage battery pack.
2. The self-powered location and tracking integrated module of claim 1, wherein the solar cell is comprised of a single junction gallium arsenide solar cell and a cover glass.
3. The self-powered location and tracking integration module of claim 1, wherein the antenna is an inverted-F antenna.
4. The self-powered location and tracking integration module of claim 1, wherein the antenna comprises: and the GPS antenna is arranged on the solar cell top plate.
5. The self-powered location and tracking integration module as claimed in claim 1 or 4, wherein the antenna comprises: and the NB antenna is arranged on the bottom surface of the solar cell.
6. The self-powered positioning and tracking integrated module as claimed in claim 1, wherein the energy storage battery layer is an all-solid-state thin film lithium battery.
7. The self-powered positioning and tracking integrated module as claimed in claim 1, wherein the integrated electronic layer comprises a micro-energy collection and charging management chip, a GPRS/NB-IOT + GPS integrated module, an MCU chip and a SIM card.
8. The self-powered location tracking all-in-one module of claim 7, wherein the micro energy collection and charge management chip selects a PMU ADP5091 chip.
9. The self-powered location and tracking all-in-one module of claim 7, wherein the SIM card is a nano SIM card.
10. The method of assembling a self-powered location and tracking integration module according to claim 1, comprising:
s1, mounting a plurality of lithium batteries to form an energy storage battery layer;
s2, coaxially interconnecting the solar cell layer, the energy storage cell layer and the comprehensive electronic layer;
s3, encapsulating electronic glue and bonding AB glue between lithium battery layers of the energy storage battery layer and at the connecting part of the lithium battery and the comprehensive electronic layer;
s4, polishing and grinding;
s5, installing the GPS antenna on a top plate of the solar cell, installing the NB antenna on the bottom surface of the solar cell, and debugging the antenna;
and S6, bonding the solar cell on the energy storage cell layer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113438566A (en) * | 2021-06-28 | 2021-09-24 | 集芯微科技(浙江)有限公司 | Self-powered telecommunication energy integrated system based on transparent glass |
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| CN113438566A (en) * | 2021-06-28 | 2021-09-24 | 集芯微科技(浙江)有限公司 | Self-powered telecommunication energy integrated system based on transparent glass |
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| CN111478422B (en) | 2022-01-18 |
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