CN109257697B - Implantable positioning module based on weak energy collection and communication method thereof - Google Patents
Implantable positioning module based on weak energy collection and communication method thereof Download PDFInfo
- Publication number
- CN109257697B CN109257697B CN201811279380.1A CN201811279380A CN109257697B CN 109257697 B CN109257697 B CN 109257697B CN 201811279380 A CN201811279380 A CN 201811279380A CN 109257697 B CN109257697 B CN 109257697B
- Authority
- CN
- China
- Prior art keywords
- positioning
- module
- energy
- public network
- positioning communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 183
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 230000007613 environmental effect Effects 0.000 claims abstract description 13
- 238000004146 energy storage Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 239000007784 solid electrolyte Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 5
- 238000009432 framing Methods 0.000 claims description 5
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910020935 Sn-Sb Inorganic materials 0.000 claims description 3
- 229910008757 Sn—Sb Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 229910000510 noble metal Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000002207 thermal evaporation Methods 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000003306 harvesting Methods 0.000 claims 4
- 238000013461 design Methods 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000013478 data encryption standard Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000010365 information processing Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- 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
-
- 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
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18517—Transmission equipment in earth stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
A transplantable positioning module based on weak energy collection and a communication method thereof comprise a power supply subsystem and a positioning communication subsystem; the power supply subsystem collects environmental energy, converts the environmental energy into electric energy, transmits the converted electric energy to the positioning communication subsystem and provides power supply input for the positioning communication subsystem; the environmental energy comprises vibration, temperature difference and light energy; the positioning communication subsystem transmits information to a Beidou satellite or a public network base station by establishing an information link with the Beidou satellite or a mobile public network, and then transmits the information to a ground monitoring station through the Beidou satellite or the public network base station, so that the real-time positioning function of the portable positioning module is realized; and meanwhile, the positioning communication subsystem receives a control command sent by the ground monitoring station. The invention solves the problem of long-term power supply of the positioning communication module, simultaneously adopts the integrated design of satellite positioning and public network positioning, and implements monitoring communication through Beidou short messages, thereby realizing maximization of the positioning monitoring capability of the ground equipment.
Description
Technical Field
The invention relates to a portable positioning module based on weak energy collection and a communication method thereof, belonging to the field of electrical and electronic design.
Background
In order to realize the real-time monitoring of ground vehicles, marine equipment, unmanned aerial vehicles and military and trade products, the product equipment in use needs to be positioned and communicated in real time, and power supply is provided for the positioning communication module. At present, electrical equipment in various fields is designed by miniaturization and integration, a new positioning communication function is added into general equipment or a formed electrical product to be greatly changed, and the cost is high in design and development and high in cost.
In order to facilitate equipment integration, the whole positioning communication module needs to be miniaturized and designed in a modularized mode, and has long service life. At present, the electric energy supply for the positioning communication module at home and abroad is realized based on a solid-state battery, the realization method cannot ensure the long-term continuous power supply of the positioning communication module, and the battery needs to be replaced or charged after the electric quantity of the battery is exhausted, so that the convenience and the usability of the miniaturized equipment are not improved. Meanwhile, only a positioning module based on the Beidou or a positioning module based on the public network exists in the current data documents, the function of realizing information directional return according to instruction response is lacked, the special monitoring requirement of a background cannot be met, the positioning modules based on the Beidou and the public network are not integrated, and the communication reliability of the modules needs to be further improved when the positioning modules are used on key products or in areas where the communication mode cannot be guaranteed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a portable positioning module based on weak energy collection and a communication method thereof, which solve the problem of long-term power supply of the positioning communication module by continuously collecting environmental energy and converting the environmental energy into electric energy for storage or use, and simultaneously realize the maximization of the positioning monitoring capability of ground equipment by adopting the integrated design of satellite positioning and public network positioning and implementing monitoring communication through Beidou short messages.
The technical scheme adopted by the invention is as follows: a portable positioning module based on weak energy collection comprises a power supply subsystem and a positioning communication subsystem; the power supply subsystem collects environmental energy, converts the environmental energy into electric energy, transmits the converted electric energy to the positioning communication subsystem and provides power supply input for the positioning communication subsystem; the environmental energy comprises vibration, temperature difference and light energy; the positioning communication subsystem transmits information to a Beidou satellite or a public network base station by establishing an information link with the Beidou satellite or a mobile public network, and then transmits the information to a ground monitoring station through the Beidou satellite or the public network base station, so that the real-time positioning function of the portable positioning module is realized; and meanwhile, the positioning communication subsystem receives a control command sent by the ground monitoring station.
When the positioning communication subsystem receives a control instruction sent by the ground monitoring station, the ground monitoring station sends the control instruction to a Beidou satellite in a Beidou short message mode, the Beidou satellite broadcasts the control instruction to the positioning communication subsystem, and under the environment with weak satellite signals, the ground monitoring station sends the control instruction to a public network base station in a mobile public network communication mode and then transmits the control instruction to the positioning communication subsystem through the mobile public network base station.
The power supply subsystem comprises a vibration energy collector, a heat energy collector, a light energy collector, a battery and an energy management circuit; the vibration energy collector, the heat energy collector and the light energy collector collect energy and transmit the energy to the input end of the energy management circuit, and rectification, electric energy storage and release are carried out in the energy management circuit to provide electric energy for the work of the positioning communication subsystem; the output end of the energy management circuit is directly connected with the battery, when the generated electric energy is larger than the electric energy consumed by the positioning communication subsystem, the energy management circuit stores the redundant electric energy in the battery through a charging mode, otherwise, when the generated electric energy is smaller than the electric energy consumed by the positioning communication subsystem, the energy management circuit uses the electric energy in the battery for power supply output through a discharging mode.
The vibration energy device adopts a common mass block MEMS piezoelectric cantilever beam array structure, the structure is composed of 8 same piezoelectric cantilever beam units and a silicon mass block, the 8 same piezoelectric cantilever beam units are divided into two rows, 4 piezoelectric cantilever beam units in each row are installed on the silicon mass block, and every two piezoelectric cantilever beams are electrically insulated.
The heat energy collector is composed of four parts, namely a substrate, a flow guide layer, a thermocouple and a welding layer, wherein ceramic is used as a substrate material, a copper sheet is used as the flow guide layer, Sn-Sb alloy without lead is used as the welding layer, and a Skuterudite-based material and a BiTe-based material are respectively used as a hot section material and a cold section material of the thermocouple.
The light energy collector adopts an all-solid-state dye-sensitized solar cell to realize energy conversion, and compact TiO is deposited on the conductive substrate in sequence2Layer and mesoporous nanocrystalline TiO2The layer is used as a photo-anode, solid dye molecules are adsorbed on the photo-anode and then filled with a solid electrolyte, a layer of noble metal electrode is deposited on the solid electrolyte by a thermal evaporation method, and a structure that the photo-anode and a counter electrode are integrated on a single conductive substrate material is formed.
The energy management circuit consists of a rectifying circuit, an impedance matching circuit, an energy storage circuit, an energy instantaneous release circuit and a voltage stabilizing circuit; the output end of the rectification circuit is connected with the impedance matching circuit, the output end of the impedance matching circuit is connected with the energy storage circuit, the output end of the energy storage circuit is connected with the energy instantaneous release circuit and the battery, the output end of the energy instantaneous release circuit is connected with the voltage stabilizing circuit, and the voltage stabilizing circuit outputs electric energy for a load to use.
The energy instantaneous release circuit and the voltage stabilizing circuit are provided with an upper threshold voltage V of the hysteresis comparatorTHRLower threshold voltage VTHFThe voltage output by the energy storage circuit gradually decreases along with the discharge, and when the voltage decreases to be lower than the threshold voltage VTHFWhen the delay comparator outputs low level, the switch NMOS is closed1And PMOS1Storage circuit and backThe continuity circuit is disconnected to stop discharging.
The positioning communication subsystem comprises a control processor, a satellite positioning communication module, a public network positioning communication module, an antenna A and an antenna B; the control processor respectively transmits the positioning information to the satellite positioning communication module and the public network positioning communication module, the satellite positioning communication module converts the positioning information into radio frequency signals and transmits the radio frequency signals to the antenna A, the antenna A transmits the signals to the satellite through a wireless link between the antenna A and the satellite, the public network positioning communication module converts the positioning information into radio frequency signals and transmits the radio frequency signals to the antenna B, and the antenna B transmits the signals to a public network base station through a wireless link between the antenna B and the public network to realize the transmission of the positioning information; meanwhile, the satellite transmits a control instruction signal to the antenna A through broadcasting, the antenna A transmits the instruction signal to the satellite positioning communication module, the satellite positioning communication module analyzes and processes the instruction signal and then transmits the instruction signal to the control processor, the public network base station transmits the control instruction signal to the antenna B through broadcasting, the antenna B transmits the instruction signal to the public network positioning communication module, and the public network positioning communication module analyzes and processes the instruction signal and then transmits the instruction signal to the control processor, so that the control instruction is transmitted.
The satellite positioning communication module has the processing capacity of a big Dipper system and a GPS system, receives signals of a big Dipper BDS B1 frequency point and a GPSL1 frequency point, realizes the positioning function after capturing and tracking processing, and completes positioning calculation; meanwhile, the short message information is transmitted and received through the Beidou satellite link.
The antenna A is an antenna module comprising four microstrip antenna elements with B1, L1 and L, S frequency bands, a stacking mode is adopted, the B1, the L1 and the L antenna elements adopt a double-point feeding mode, 90-degree phase difference among feeding points is achieved through a power division matching circuit, and the S frequency band antenna adopts a single-point feeding mode.
The control processor switches the positioning communication mode according to different application environments, and the positioning communication mode preferentially selects satellite positioning communication to meet the positioning monitoring requirements of most of the ground, sea and air; in an application environment in which satellite signals are shielded or interfered, a public network positioning communication mode is selected, and real-time positioning monitoring is realized through a nearby base station, so that redundant configuration is realized.
A transplantable positioning communication method based on weak energy collection comprises the following steps:
1) the module is powered on and receives instructions, and specifically comprises the following steps:
the portable positioning module is powered on, receives Beidou satellite and mobile public network instruction signals through an antenna A and an antenna B, and respectively transmits the instruction signals to the satellite positioning communication module and the public network positioning communication module, wherein the satellite positioning communication is in a Beidou short message format, and the public network positioning communication is in a picture format;
2) analyzing and acquiring the instruction, specifically:
the satellite positioning communication module or the public network positioning communication module completes processing and analysis of the instruction signal, the satellite positioning communication module obtains instruction information after carrying out ASCII code analysis on the Beidou short message source code, and the public network positioning communication module obtains the instruction information after carrying out LSB identification and extraction on the picture source code;
3) the communication function setting specifically comprises the following steps:
the positioning communication module or the public network positioning communication module transmits the instruction information to the control processor, and the control processor completes corresponding communication function modulation according to the acquired instruction information, specifically including positioning information return period setting, positioning information encryption setting and positioning module silence setting;
4) the method for framing information specifically comprises the following steps:
the control processor receives a return period set T instruction, framing the positioning information according to the period T and periodically transmitting the positioning information to the positioning communication module or the public network positioning communication module;
the control processor receives the information encryption transmission instruction, encrypts the positioning information according to a DES algorithm and periodically transmits the positioning information to the positioning communication module or the public network positioning communication module;
the control processor receives the positioning module silence instruction, and switches the positioning module into a silence state which only receives the silence instruction and does not send the silence instruction;
5) returning the positioning information, specifically:
the positioning communication module and the public network positioning communication module respectively convert the positioning information into radio frequency signals and transmit the radio frequency signals to an antenna A and an antenna B; and then the antenna A and the antenna B send wireless radio frequency signals, and the wireless radio frequency signals are transferred through the Beidou satellite and the mobile public network respectively and transmitted to the ground monitoring station.
Compared with the prior art, the invention has the advantages that:
(1) the positioning communication module provided by the invention adopts a power supply technology based on weak environment energy collection, can meet the continuous power utilization requirement of the positioning module, can replace the traditional method of relying on chemical batteries for power supply, and has the characteristic of easy transplantation because the power supply subsystem in the positioning module is designed according to integration and modularization.
(2) According to the positioning communication module, the power supply subsystem adopts a hybrid energy collection technical scheme, so that weak energy sources such as vibration energy, heat energy and light energy in the environment can be collected and converted into electric energy, continuous power supply for loads under various environmental conditions can be realized, and the power supply reliability is improved.
(3) According to the positioning communication module provided by the invention, the positioning communication subsystem integrates two functions of satellite positioning communication and public network positioning communication through an integrated design, and the two modes can be switched for redundancy, so that the positioning communication module has stronger reliability and environmental applicability in the aspect of real-time positioning communication.
(4) The positioning communication module provided by the invention can receive and identify instruction information through the Beidou short message or 3G/4G mobile public network, completes communication function modulation, comprises positioning information return period setting, positioning information encryption setting, positioning module silence setting and the like, and can meet different use requirements.
Drawings
FIG. 1 is a diagram of a positioning communication module architecture;
FIG. 2 is a communication block diagram of a positioning communication module;
FIG. 3 is a block diagram of a vibration energy meter;
FIG. 4 is a block diagram of a thermal energy collector configuration;
FIG. 5 is a block diagram of an energy management circuit;
FIG. 6 is a circuit diagram of an energy release circuit;
fig. 7 is a block diagram of a positioning communication subsystem architecture.
Detailed Description
(1) Implantable positioning module framework construction based on weak energy collection
a) The portable positioning module based on weak energy collection comprises a power supply subsystem and a positioning communication subsystem, wherein as shown in figure 1, the power supply subsystem is used for converting weak energy such as vibration, temperature difference, light energy and the like in the environment into electric energy, and then transmitting the converted electric energy to the positioning communication subsystem so as to provide power input for the positioning communication subsystem;
b) as shown in fig. 2, the positioning communication subsystem transmits information to the Beidou satellite or the 3G/4G public network base station by establishing an information link with the Beidou satellite or the 3G/4G mobile public network, and transmits the information to the ground monitoring station by the Beidou satellite or the 3G/4G public network base station, so as to realize the real-time positioning function of the portable positioning module;
c) meanwhile, as shown in fig. 2, the positioning communication subsystem can also receive a control instruction sent by the ground monitoring station, under normal conditions, the ground monitoring station sends the control instruction to the Beidou satellite in a Beidou short message mode, and then the control instruction is broadcasted to the positioning communication subsystem by the Beidou satellite, but under the environment with weak satellite signals, the Beidou short message cannot be normally communicated, the ground monitoring station can send the control instruction to the mobile public network base station in a 3G/4G communication mode, and then the control instruction is transmitted to the positioning communication subsystem by the mobile public network base station, so that the transmission of the control instruction is realized.
(2) Power supply subsystem design for multi-source energy collection and conversion
a) The power supply subsystem comprises a vibration energy collector, a heat energy collector, a light energy collector, a battery and an energy management circuit; the energy collected by the vibration energy collector, the heat energy collector and the light energy collector is transmitted to the input end of the energy management circuit, and the energy management circuit carries out rectification, electric energy storage and release and provides electric energy for the work of the positioning communication subsystem. The output end of the energy management circuit is directly connected with the battery, when the generated electric energy is larger than the electric energy consumed by the positioning communication subsystem, the energy management circuit stores the redundant electric energy in the battery through a charging mode, otherwise, when the generated electric energy is smaller than the electric energy consumed by the positioning communication subsystem, the energy management circuit uses the electric energy in the battery for power supply output through a discharging mode.
b) The vibration energy device adopts a common mass MEMS piezoelectric cantilever array structure, as shown in figure 3, the structure is composed of 8 identical piezoelectric cantilever units and a silicon mass, the 8 identical piezoelectric cantilever units are electrically insulated, the gap between the piezoelectric cantilever units is 80 μm, and each piezoelectric cantilever unit is connected with the same silicon mass. This altogether-mass block MEMS piezoelectricity cantilever beam array structure can guarantee that each piezoelectricity cantilever beam unit has unanimous vibration phase place at the vibration in-process to make can realize direct lossless series connection between the piezoelectricity cantilever beam unit, thereby improve MEMS piezoelectricity vibration energy collector output voltage.
c) The heat collector consists of a substrate, a flow guide layer, a thermocouple and a welding layer 4, and as shown in figure 4, ceramic is used as a substrate material to play a role in heat conduction, insulation and support; the copper sheet is used as a current guiding layer to play a role in electric connection; the welding layer adopts Sn-Sb alloy without lead component; the thermocouple is a core component of the thermoelectric energy collector, and the hot section material and the cold section material of the thermocouple arm are respectively selected from Skuterudite-based materials and BiTe-based materials, so that good thermoelectric performance is ensured.
d) The light energy collector adopts an all-solid-state dye-sensitized solar cell to realize energy conversion, and compact TiO is deposited on the conductive substrate in sequence2Layer and mesoporous nanocrystalline TiO2The layer is used as a photo-anode, solid dye molecules are adsorbed on the photo-anode and then filled with a solid electrolyte, and finally a layer of noble metal electrode is deposited on the solid electrolyte by a thermal evaporation method, so that a structure that the photo-anode and a counter electrode are integrated on a single conductive substrate material is formed.
e) The design structure of the energy management circuit is shown in fig. 5, and the energy management circuit comprises a rectifying circuit, an impedance matching circuit, an energy storage circuit, an energy instantaneous release circuit and a voltage stabilizing circuit. The output end of the rectification circuit is connected with an impedance matching circuit, and the impedance matching circuit is used for matching the output end of the rectification circuit with the impedanceThe output end of the energy storage circuit is connected with the energy storage circuit, the output end of the energy storage circuit is connected with the energy instantaneous release circuit and the battery, the output end of the energy instantaneous release circuit is connected with the voltage stabilizing circuit, and the voltage stabilizing circuit outputs electric energy for a load to use. Wherein, the energy release and voltage regulator circuit is shown in FIG. 6, and the circuit is provided with upper and lower threshold voltages (V) of the hysteresis comparatorTHRAnd VTHF) The voltage across the energy storage device gradually decreases as the discharge progresses, when it falls below a threshold voltage VTHFWhen the delay comparator outputs low level, the switch NMOS is closed1And PMOS1The energy storage device is disconnected from the subsequent circuit and discharge is stopped. The energy of the energy storage device can meet the power consumption requirement of a rear-end load by setting the threshold voltage values of the energy storage device for starting and stopping discharging.
(3) Satellite and public network integrated positioning communication subsystem design
a) As shown in fig. 7, the positioning communication subsystem includes a control processor, a satellite positioning communication module, a public network positioning communication module, a B1/L1+ S frequency band antenna, and a 3G/4G antenna; on one hand, the control processor respectively transmits the positioning information to the satellite positioning communication module and the public network positioning communication module, the satellite positioning communication module converts the positioning information into radio frequency signals and transmits the radio frequency signals to the B1/L1+ S frequency band antenna, the B1/L1+ S frequency band antenna transmits the signals to the satellite through a wireless link between the B1/L1+ S frequency band antenna and the satellite, the public network positioning communication module converts the positioning information into radio frequency signals and transmits the radio frequency signals to the 3G/4G antenna, and the 3G/4G antenna transmits the signals to a public network base station through a wireless link between the 3G/4G antenna and the public network, so that the positioning information is transmitted; on the other hand, the satellite transmits a control command signal to the B1/L1+ S frequency band antenna through broadcasting, the B1/L1+ S frequency band antenna transmits the command signal to the satellite positioning communication module, the satellite positioning communication module analyzes and processes the command signal and then transmits the analyzed and processed command signal to the control processor, the public network base station transmits the control command signal to the 3G/4G antenna through broadcasting, the 3G/4G antenna transmits the command signal to the public network positioning communication module, and the public network positioning communication module analyzes and processes the command signal and then transmits the analyzed and processed command signal to the control processor, so that the transmission of the control command is realized.
b) The satellite positioning communication module integrates a radio frequency unit and a baseband signal processing unit, wherein the baseband signal processing unit comprises three sub-modules of RNSS positioning, RDSS short message processing and interface management, combines a B1/L1+ S frequency band antenna and a control processor, has the processing capacity of a Beidou and GPS dual system, can receive BDS B1 frequency point signals and GPS L1 frequency point signals on one hand, and extracts navigation messages after capturing, tracking and processing navigation satellite signals to realize the RNSS real-time positioning function; on the other hand, the RDSS short message information receiving and sending processing function can be realized through the Beidou satellite link. The B1/L1+ S frequency band antenna is an antenna module comprising four microstrip antenna elements with B1 frequency bands, L1 frequency bands and L, S frequency bands, a stacking mode is adopted, the B1 frequency band antenna elements, the L1 frequency band antenna elements and the L antenna elements adopt a double-point feeding mode, 90-degree phase difference among feeding points is achieved through a power division matching circuit, and the S frequency band antenna adopts a single-point feeding mode.
c) The public network positioning communication module integrates a radio frequency unit and a baseband signal processing unit, wherein the baseband signal processing unit comprises four sub-modules of safety management, interface management, baseband information processing (BP) and application information processing (AP), and can simultaneously support a 3G/4G multi-band system by combining a 3G/4G antenna and a control processor, thereby realizing the functions of receiving and sending short messages, positioning a base station and the like. After the public network positioning communication module is registered, the public network positioning communication module is controlled through a specific instruction, and data can be transmitted and received through the public network positioning communication module.
d) The control processor of the positioning communication subsystem comprises two submodules of information encoding and decoding and channel control, and can realize positioning information return period setting, positioning information encryption setting and positioning module silence setting. The positioning communication subsystem can switch positioning communication modes under different application environments, the positioning communication mode is preferably satellite positioning communication, most of ground, sea and air positioning monitoring requirements are met, the positioning communication mode is switched into a public network positioning communication mode in the application environment that satellite signals are shielded or interfered, real-time positioning monitoring is achieved through nearby base stations, redundant configuration is achieved, and reliability of the system is improved.
e) The power supply module is the power supply subsystem for the multi-source energy collection and conversion.
(4) Communication method design for positioning communication module
a) The portable positioning module is powered on, receives Beidou satellite and mobile public network instruction signals through an antenna A and an antenna B, and respectively transmits the instruction signals to the satellite positioning communication module and the public network positioning communication module, wherein the satellite positioning communication is in a Beidou short message format, and the public network positioning communication is in a picture format;
b) the satellite positioning communication module or the public network positioning communication module completes processing and analysis of the instruction signal, the satellite positioning communication module obtains instruction information after ASCI I code analysis is carried out on Beidou short message source codes, and the public network positioning communication module obtains the instruction information after LSB (least significant bit) identification and extraction is carried out on picture source codes;
c) the positioning communication module or the public network positioning communication module transmits the instruction information to the control processor, and the control processor completes corresponding communication function modulation according to the acquired instruction information, specifically including positioning information return period setting, positioning information encryption setting, positioning module silence setting and the like.
d) The control processor receives a return period set T instruction, framing the positioning information according to the period T and periodically transmitting the positioning information to the positioning communication module or the public network positioning communication module; the control processor receives the information Encryption transmission instruction, encrypts the positioning information according to a DES (data Encryption Standard) algorithm, and periodically transmits the positioning information to the positioning communication module or the public network positioning communication module; f, transferring the information;
e) the control processor receives the positioning module silence instruction, and switches the positioning module into a silence state which only receives the silence instruction and does not send the silence instruction; step a, receiving an instruction signal;
f) the positioning communication module and the public network positioning communication module respectively convert the positioning information into radio frequency signals and transmit the radio frequency signals to an antenna A and an antenna B; and then the antenna A and the antenna B send wireless radio frequency signals, and the wireless radio frequency signals are transferred through the Beidou satellite and the mobile public network respectively and transmitted to the ground monitoring station.
The present invention has not been described in detail, partly as is known to the person skilled in the art.
Claims (13)
1. A portable positioning module based on weak energy collection is characterized in that: the system comprises a power supply subsystem and a positioning communication subsystem; the power supply subsystem collects environmental energy, converts the environmental energy into electric energy, transmits the converted electric energy to the positioning communication subsystem and provides power supply input for the positioning communication subsystem; the environmental energy comprises vibration, temperature difference and light energy; the positioning communication subsystem transmits information to a Beidou satellite or a public network base station by establishing an information link with the Beidou satellite or a mobile public network, and then transmits the information to a ground monitoring station through the Beidou satellite or the public network base station, so that the real-time positioning function of the portable positioning module is realized; and meanwhile, the positioning communication subsystem receives a control command sent by the ground monitoring station.
2. The module of claim 1, wherein the module is further configured to: when the positioning communication subsystem receives a control instruction sent by the ground monitoring station, the ground monitoring station sends the control instruction to a Beidou satellite in a Beidou short message mode, the Beidou satellite broadcasts the control instruction to the positioning communication subsystem, and under the environment with weak satellite signals, the ground monitoring station sends the control instruction to a public network base station in a mobile public network communication mode and then transmits the control instruction to the positioning communication subsystem through the mobile public network base station.
3. The module of claim 1, wherein the module is further configured to: the power supply subsystem comprises a vibration energy collector, a heat energy collector, a light energy collector, a battery and an energy management circuit; the vibration energy collector, the heat energy collector and the light energy collector collect energy and transmit the energy to the input end of the energy management circuit, and rectification, electric energy storage and release are carried out in the energy management circuit to provide electric energy for the work of the positioning communication subsystem; the output end of the energy management circuit is directly connected with the battery, when the generated electric energy is larger than the electric energy consumed by the positioning communication subsystem, the energy management circuit stores the redundant electric energy in the battery through a charging mode, otherwise, when the generated electric energy is smaller than the electric energy consumed by the positioning communication subsystem, the energy management circuit uses the electric energy in the battery for power supply output through a discharging mode.
4. The module of claim 3, wherein the module is further configured to: the vibration energy collector adopts a common mass block MEMS piezoelectric cantilever beam array structure, the structure consists of 8 same piezoelectric cantilever beam units and a silicon mass block, the 8 same piezoelectric cantilever beam units are divided into two rows, 4 piezoelectric cantilever beam units are arranged on the silicon mass block in each row, and every two piezoelectric cantilever beams are electrically insulated.
5. The module of claim 3, wherein the module is further configured to: the heat energy collector is composed of four parts, namely a substrate, a flow guide layer, a thermocouple and a welding layer, wherein ceramic is used as a substrate material, a copper sheet is used as the flow guide layer, Sn-Sb alloy without lead is used as the welding layer, and a Skuterudite-based material and a BiTe-based material are respectively used as a hot section material and a cold section material of the thermocouple.
6. The module of claim 3, wherein the module is further configured to: the light energy collector adopts an all-solid-state dye-sensitized solar cell to realize energy conversion, and compact TiO is deposited on the conductive substrate in sequence2Layer and mesoporous nanocrystalline TiO2The layer is used as a photo-anode, solid dye molecules are adsorbed on the photo-anode and then filled with a solid electrolyte, a layer of noble metal electrode is deposited on the solid electrolyte by a thermal evaporation method, and a structure that the photo-anode and a counter electrode are integrated on a single conductive substrate material is formed.
7. The module of claim 3, wherein the module is further configured to: the energy management circuit consists of a rectifying circuit, an impedance matching circuit, an energy storage circuit, an energy instantaneous release circuit and a voltage stabilizing circuit; the output end of the rectification circuit is connected with the impedance matching circuit, the output end of the impedance matching circuit is connected with the energy storage circuit, the output end of the energy storage circuit is connected with the energy instantaneous release circuit and the battery, the output end of the energy instantaneous release circuit is connected with the voltage stabilizing circuit, and the voltage stabilizing circuit outputs electric energy for a load to use.
8. The weak energy harvesting-based portable positioning module of claim 7, wherein: the energy instantaneous release circuit and the voltage stabilizing circuit are provided with an upper threshold voltage V of the hysteresis comparatorTHRLower threshold voltage VTHFThe voltage output by the energy storage circuit gradually decreases along with the discharge, and when the voltage decreases to be lower than the threshold voltage VTHFWhen the delay comparator outputs low level, the switch NMOS is closed1And PMOS1The tank circuit is disconnected from the subsequent circuit to stop discharging.
9. The module of claim 1, wherein the module is further configured to: the positioning communication subsystem comprises a control processor, a satellite positioning communication module, a public network positioning communication module, an antenna A and an antenna B; the control processor respectively transmits the positioning information to the satellite positioning communication module and the public network positioning communication module, the satellite positioning communication module converts the positioning information into radio frequency signals and transmits the radio frequency signals to the antenna A, the antenna A transmits the signals to the satellite through a wireless link between the antenna A and the satellite, the public network positioning communication module converts the positioning information into radio frequency signals and transmits the radio frequency signals to the antenna B, and the antenna B transmits the signals to a public network base station through a wireless link between the antenna B and the public network to realize the transmission of the positioning information; meanwhile, the satellite transmits a control instruction signal to the antenna A through broadcasting, the antenna A transmits the instruction signal to the satellite positioning communication module, the satellite positioning communication module analyzes and processes the instruction signal and then transmits the instruction signal to the control processor, the public network base station transmits the control instruction signal to the antenna B through broadcasting, the antenna B transmits the instruction signal to the public network positioning communication module, and the public network positioning communication module analyzes and processes the instruction signal and then transmits the instruction signal to the control processor, so that the control instruction is transmitted.
10. The weak energy harvesting-based portable positioning module of claim 9, wherein: the satellite positioning communication module has the processing capacity of a big Dipper system and a GPS system, receives signals of a big Dipper BDS B1 frequency point and a GPS L1 frequency point, realizes the positioning function after capturing and tracking processing, and completes positioning calculation; meanwhile, the short message information is transmitted and received through the Beidou satellite link.
11. The weak energy harvesting-based portable positioning module of claim 9, wherein: the antenna A is an antenna module comprising four microstrip antenna elements with B1, L1 and L, S frequency bands, a stacking mode is adopted, the B1, the L1 and the L antenna elements adopt a double-point feeding mode, 90-degree phase difference among feeding points is achieved through a power division matching circuit, and the S frequency band antenna adopts a single-point feeding mode.
12. The weak energy harvesting-based portable positioning module of claim 9, wherein: the control processor switches the positioning communication mode according to different application environments, and the positioning communication mode preferentially selects satellite positioning communication to meet the positioning monitoring requirements of most of the ground, sea and air; in an application environment in which satellite signals are shielded or interfered, a public network positioning communication mode is selected, and real-time positioning monitoring is realized through a nearby base station, so that redundant configuration is realized.
13. A transplantable positioning communication method based on weak energy collection is characterized by comprising the following steps:
1) the module is powered on and receives instructions, and specifically comprises the following steps:
the portable positioning module is powered on, receives Beidou satellite and mobile public network instruction signals through an antenna A and an antenna B, and respectively transmits the instruction signals to the satellite positioning communication module and the public network positioning communication module, wherein the satellite positioning communication is in a Beidou short message format, and the public network positioning communication is in a picture format;
2) analyzing and acquiring the instruction, specifically:
the satellite positioning communication module or the public network positioning communication module completes processing and analysis of the instruction signal, the satellite positioning communication module obtains instruction information after carrying out ASCII code analysis on the Beidou short message source code, and the public network positioning communication module obtains the instruction information after carrying out LSB identification and extraction on the picture source code;
3) the communication function setting specifically comprises the following steps:
the positioning communication module or the public network positioning communication module transmits the instruction information to the control processor, and the control processor completes corresponding communication function modulation according to the acquired instruction information, specifically including positioning information return period setting, positioning information encryption setting and positioning module silence setting;
4) the method for framing information specifically comprises the following steps:
the control processor receives a return period set T instruction, framing the positioning information according to the period T and periodically transmitting the positioning information to the positioning communication module or the public network positioning communication module;
the control processor receives the information encryption transmission instruction, encrypts the positioning information according to a DES algorithm and periodically transmits the positioning information to the positioning communication module or the public network positioning communication module;
the control processor receives the positioning module silence instruction, and switches the positioning module into a silence state which only receives the silence instruction and does not send the silence instruction;
5) returning the positioning information, specifically:
the positioning communication module and the public network positioning communication module respectively convert the positioning information into radio frequency signals and transmit the radio frequency signals to an antenna A and an antenna B; and then the antenna A and the antenna B send wireless radio frequency signals, and the wireless radio frequency signals are transferred through the Beidou satellite and the mobile public network respectively and transmitted to the ground monitoring station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279380.1A CN109257697B (en) | 2018-10-30 | 2018-10-30 | Implantable positioning module based on weak energy collection and communication method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811279380.1A CN109257697B (en) | 2018-10-30 | 2018-10-30 | Implantable positioning module based on weak energy collection and communication method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109257697A CN109257697A (en) | 2019-01-22 |
| CN109257697B true CN109257697B (en) | 2020-09-18 |
Family
ID=65044073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811279380.1A Active CN109257697B (en) | 2018-10-30 | 2018-10-30 | Implantable positioning module based on weak energy collection and communication method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109257697B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110109443B (en) * | 2019-05-13 | 2021-11-26 | 上海英恒电子有限公司 | Safe communication method and device for vehicle diagnosis, storage medium and equipment |
| CN110797958A (en) * | 2019-10-22 | 2020-02-14 | 西北大学 | Multi-energy-source energy acquisition system based on capacitance pool |
| TWI758879B (en) * | 2020-09-28 | 2022-03-21 | 全動能光電股份有限公司 | Positioning device capable of using for a long time |
| CN112865324A (en) * | 2021-01-05 | 2021-05-28 | Oppo广东移动通信有限公司 | Positioning base station and self-powered method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339436A (en) * | 2008-09-02 | 2009-01-07 | 叶尔肯·拜山 | Solar energy board positioning system and its measuring and controlling method |
| CN103702280A (en) * | 2013-11-26 | 2014-04-02 | 中国十七冶集团有限公司 | Secure routing protocol of Internet of Things based on node position detection |
| CN206629137U (en) * | 2017-03-16 | 2017-11-10 | 刘建芳 | A kind of indoor positioning device being integrated on smart mobile phone |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090258641A1 (en) * | 2008-04-13 | 2009-10-15 | Toshiba America Research, Inc. | Multi-interface parsable mobile devices (pmd) for energy conservation and services enhancement |
| CN102255565B (en) * | 2011-05-26 | 2013-12-18 | 重庆大学 | Indoor dim light micro-energy acquisition system and powering method for self-powered wireless sensor |
| US20130324059A1 (en) * | 2012-06-01 | 2013-12-05 | Petari USA, Inc. | Wireless device with hybrid energy charging |
| CN107147435B (en) * | 2017-05-03 | 2020-11-03 | 成都国恒空间技术工程有限公司 | Satellite broadcast data ground fixed two-way station and data transmission method thereof |
-
2018
- 2018-10-30 CN CN201811279380.1A patent/CN109257697B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339436A (en) * | 2008-09-02 | 2009-01-07 | 叶尔肯·拜山 | Solar energy board positioning system and its measuring and controlling method |
| CN103702280A (en) * | 2013-11-26 | 2014-04-02 | 中国十七冶集团有限公司 | Secure routing protocol of Internet of Things based on node position detection |
| CN206629137U (en) * | 2017-03-16 | 2017-11-10 | 刘建芳 | A kind of indoor positioning device being integrated on smart mobile phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109257697A (en) | 2019-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109257697B (en) | Implantable positioning module based on weak energy collection and communication method thereof | |
| CN105938200B (en) | Self-powered locator can be achieved in one kind | |
| CN103312039A (en) | Communication base station power supply control and remote monitoring system based on Beidou satellite | |
| CN107408846B (en) | Wireless communication device and method for RF energy harvesting | |
| CN105162179A (en) | Big data power supply wireless transmission charging system | |
| CN102801807A (en) | Dual-mode radio miniature meteorological station system based on GPRS (General Packet Radio Service) and satellite communication | |
| US20070132426A1 (en) | Power source device for sensor nodes of ubiquitous sensor network | |
| CN210297690U (en) | Satellite-ground converged communication carry-on communication device | |
| CN113794506A (en) | Automatic tracking satellite communication equipment and working method thereof | |
| KR20170101756A (en) | RF Harvesting Method and Apparatus therefor | |
| CN107509255A (en) | It is a kind of can long distance wireless charging wireless sensor network | |
| CN112880631A (en) | Tower state monitoring terminal based on skynet link and 4G network dual-mode communication | |
| CN102426365A (en) | GPS tracer, system thereof and method thereof | |
| CN202093665U (en) | Breeze vibration monitoring base station of power transmission line | |
| CN215986415U (en) | Vehicle battery power remote monitoring system based on satellite communication | |
| CN114785398A (en) | Unmanned VSAT terminal station with multiplexing and fusing of solar cell and antenna | |
| CN111478422B (en) | Self-powered positioning and tracking integrated module and assembling method thereof | |
| CN204928201U (en) | Big data power wireless transmission charging system | |
| Shafiq et al. | Green energy scavenging for powering mobile phones | |
| CN110856135A (en) | Three-station-in-one system based on transformer substation, charging and replacing energy storage station and data center station | |
| CN112331938A (en) | Lithium battery remote control system | |
| KR20210043354A (en) | Remote metering system usung energy harvesting | |
| CN204810433U (en) | Tracker based on thing networking | |
| CN116191693B (en) | Wireless charging system and wireless charging method for intelligent water meter based on WiFi signals | |
| CN211981528U (en) | Mobile battery pack management device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |