CN205407386U - Self -power communication base management system - Google Patents

Self -power communication base management system Download PDF

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Publication number
CN205407386U
CN205407386U CN201620158023.XU CN201620158023U CN205407386U CN 205407386 U CN205407386 U CN 205407386U CN 201620158023 U CN201620158023 U CN 201620158023U CN 205407386 U CN205407386 U CN 205407386U
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port
circuit
current sensor
wind
electrically connected
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Expired - Fee Related
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CN201620158023.XU
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Chinese (zh)
Inventor
宋国祥
夏从新
杜舒曼
陈洋洋
袁孟悦
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Henan Normal University
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Henan Normal University
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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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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

Abstract

The utility model discloses a self -power communication base management system, solar power system passes through solar energy power generation charge controller and battery electric connection, wind power generation set passes through wind power generation charge controller and battery electric connection, generator power generation facility passes through generator electricity generation charge controller and battery electric connection, this battery through the circuit respectively with the end that charges of generator battery, central control unit's power end and communication base's power end electric connection, the generator battery is used for providing the power for the start -up of generator. The utility model discloses a based on the communication base electric power management system based on solar energy power generation, wind power generation and the generator electricity generation, can distribute and manage relation and the detection of communication base trouble between these three kinds of electric quantity better.

Description

Self-powered communication base station management system
Technical field
This utility model belongs to communication base station generating suppling device technical field, is specifically related to a kind of self-powered communication base station management system.
Background technology
Society people have be unable to do without communications service, but the maximum difficulty that we face in communication is how to allow these communications services use freely.Always very poor at some remote region signals, there is a lot of difficult problems in these base stations in power supply, there is the difficult problem that power supply some faults difficult and base station cannot solve in time.Based on these problems, it is necessary to design a kind of based on the electric power management system based on solar electrical energy generation, wind-power electricity generation and electrical power generators, with the detection of the relation distributed better and manage between these three electricity and communication base station fault.
Summary of the invention
This utility model solves the technical problem that the self-powered communication base station management system that there is provided a kind of efficient and environmental protection, solar electrical energy generation, wind-power electricity generation and electrical power generators are effectively combined by this system, to realize powering for communication base station better and carrying out the detection of communication base station fault.
nullThis utility model adopts the following technical scheme that for solving above-mentioned technical problem，Self-powered communication base station management system，It is characterized in that main by central control unit、Base station power supply unit、Generating-charging unit、Fault detection unit and telecommunication monitoring unit are constituted，Wherein central control unit is AT89c51 single-chip microcomputer，Base station power supply unit includes accumulator and generator storage battery，Generating-charging unit includes device of solar generating、Solar electrical energy generation charge controller、Wind power generation plant、Wind-power electricity generation charge controller、Electrical power generators device and electrical power generators charge controller，Fault detection unit includes fuel-quantity transducer、Angular transducer、Light sensor、Accumulator electric quantity detection apparatus、Generator storage battery electric quantity detection apparatus、Solar electrical energy generation current sensor、Wind-power electricity generation current sensor and electrical power generators current sensor，Telecommunication monitoring unit includes wireless launcher、Radio receiver、Display device and alarm device，Device of solar generating is electrically connected with accumulator by solar electrical energy generation charge controller，Wind power generation plant is electrically connected with accumulator by wind-power electricity generation charge controller，Electrical power generators device is electrically connected with accumulator by electrical power generators charge controller，This accumulator by circuit respectively with the charging end of generator storage battery、The power end of central control unit and the power end of communication base station are electrically connected，Generator storage battery provides power supply for the startup for electromotor，The solar panels of device of solar generating are provided with light sensor，This light sensor is electrically connected with central control unit by circuit，The flabellum of wind power generation plant is provided with angular transducer，This angular transducer is electrically connected with central control unit by circuit，The fuel tank of electrical power generators device is provided with fuel-quantity transducer，This fuel-quantity transducer is electrically connected with central control unit by circuit，Circuit between device of solar generating and solar electrical energy generation charge controller is connected to solar electrical energy generation current sensor，This solar electrical energy generation current sensor is electrically connected with central control unit by circuit，Circuit between wind power generation plant and wind-power electricity generation charge controller is connected to wind-power electricity generation current sensor，This wind-power electricity generation current sensor is electrically connected with central control unit by circuit，Circuit between electrical power generators device and electrical power generators charge controller is connected to electrical power generators current sensor，This electrical power generators current sensor is electrically connected with central control unit by circuit，Accumulator is provided with accumulator electric quantity detection apparatus，This accumulator electric quantity detection apparatus is electrically connected with central control unit by circuit，Generator storage battery is provided with generator storage battery electric quantity detection apparatus，This generator storage battery electric quantity detection apparatus is electrically connected with central control unit by circuit，Wireless launcher and radio receiver set up two-way wireless communication by GSM global system for mobile communications，Wireless launcher is electrically connected with central control unit by circuit，Radio receiver is electrically connected with display device and alarm device respectively by circuit.
It is preferred that, described solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor all adopt BA series AC current sensor, and the V/OJT port of this solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor is correspondingly connected to the P2.5 port of AT89c51 single-chip microcomputer, P2.4 port and P2.3 port respectively through circuit.
It is preferred that, described angular transducer adopts KMZ41 voltage output mode angular transducer, and this angular transducer is correspondingly connected to the P0.5 port of AT89c51 single-chip microcomputer, EA port, ALE port and PSEN port respectively through circuit.
It is preferred that, described light sensor adopts TSL2561 light sensor, and the SDA port of this light sensor and SCL port are correspondingly connected to P0.6 port and the P0.7 port of AT89c51 single-chip microcomputer respectively through circuit.
nullIt is preferred that，Described fuel-quantity transducer is liquid level sensor，This liquid level sensor adopts remaining oil mass in 485 communication module detection fuel tanks，485 communication modules carry out digital-to-analogue conversion by ADC0809 digital to analog converter，ADC0809 digital to analog converter is connected with AT89c51 single-chip microcomputer with by circuit，The wherein ECO port of ADC0809 digital to analog converter、OUTPUTENABLE port and COLOCK port are connected respectively the P1.7 port in AT89c51 single-chip microcomputer、P2.0 port and P2.1 port，The 2-1 port of ADC0809 digital to analog converter、2-2 port、2-3 port、2-4 port、2-5 port、2-6 port and 2-7 port are connected respectively the P1.0 port in AT89c51 single-chip microcomputer、P1.1 port、P1.2 port、P1.3 port、P1.4 port、P1.5 port and P1.6 port.
It is preferred that, described accumulator electric quantity detection apparatus and generator storage battery electric quantity detection apparatus are respectively used to the electricity of detection accumulator and the electricity of generator storage battery, adopting identical electric power detection module, the XIN port of this electric power detection module, RESET port, CS port, SDO port, XOUT port and SDI port are correspondingly connected to the P0.0 port of AT89c51 single-chip microcomputer, P0.1 port, P0.2 port, P0.3 port, P0.4 port and P0.5 port respectively through circuit.
This utility model is based on the communication base station electric power management system based on solar electrical energy generation, wind-power electricity generation and electrical power generators, it is possible to the detection of distribution and the relation managed between these three electricity and communication base station fault better.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is control flow chart of the present utility model；
Fig. 3 is the control layout of utility model；
Fig. 4 is the circuit connection diagram of electric power detection module in this utility model；
Fig. 5 is the circuit connection diagram of fuel-quantity transducer in this utility model.
In figure: 1, device of solar generating, 2, wind power generation plant, 3, electrical power generators device, 4, communication base station, 5, accumulator, 6, generator storage battery, 7, fuel-quantity transducer, 8, angular transducer, 9, light sensor, 10, solar electrical energy generation current sensor, 11, wind-power electricity generation current sensor, 12, electrical power generators current sensor, 13, solar electrical energy generation charge controller, 14, wind-power electricity generation charge controller, 15, electrical power generators charge controller.
Detailed description of the invention
Of the present utility model particular content is described in detail in conjunction with accompanying drawing.nullSelf-powered communication base station management system，Main by central control unit、Base station power supply unit、Generating-charging unit、Fault detection unit and telecommunication monitoring unit are constituted，Wherein central control unit is AT89c51 single-chip microcomputer，Base station power supply unit includes accumulator 5 and generator storage battery 6，Generating-charging unit includes device of solar generating 1、Solar electrical energy generation charge controller 13、Wind power generation plant 2、Wind-power electricity generation charge controller 14、Electrical power generators device 3 and electrical power generators charge controller 15，Fault detection unit includes fuel-quantity transducer 7、Angular transducer 8、Light sensor 9、Accumulator electric quantity detection apparatus、Generator storage battery electric quantity detection apparatus、Solar electrical energy generation current sensor 10、Wind-power electricity generation current sensor 11 and electrical power generators current sensor 12，Telecommunication monitoring unit includes wireless launcher、Radio receiver、Display device and alarm device，Device of solar generating 1 is electrically connected by solar electrical energy generation charge controller 13 and accumulator 5，Wind power generation plant 2 is electrically connected by wind-power electricity generation charge controller 14 and accumulator 5，Electrical power generators device 3 is electrically connected by electrical power generators charge controller 15 and accumulator 5，This accumulator 5 by circuit respectively with the charging end of generator storage battery 6、The power end of central control unit and the power end of communication base station 4 are electrically connected，Generator storage battery 6 provides power supply for the startup for electromotor，The solar panels of device of solar generating 1 are provided with light sensor 9，This light sensor 9 is electrically connected with central control unit by circuit，The flabellum of wind power generation plant 2 is provided with angular transducer 8，This angular transducer 8 is electrically connected with central control unit by circuit，The fuel tank of electrical power generators device 3 is provided with fuel-quantity transducer 7，This fuel-quantity transducer 7 is electrically connected with central control unit by circuit，Circuit between device of solar generating 1 and solar electrical energy generation charge controller 13 is connected to solar electrical energy generation current sensor 13，This solar electrical energy generation current sensor 13 is electrically connected with central control unit by circuit，Circuit between wind power generation plant 2 and wind-power electricity generation charge controller 14 is connected to wind-power electricity generation current sensor 14，This wind-power electricity generation current sensor 14 is electrically connected with central control unit by circuit，Circuit between electrical power generators device 3 and electrical power generators charge controller 15 is connected to electrical power generators current sensor 16，This electrical power generators current sensor 16 is electrically connected with central control unit by circuit，Accumulator 5 is provided with accumulator electric quantity detection apparatus，This accumulator electric quantity detection apparatus is electrically connected with central control unit by circuit，Generator storage battery 6 is provided with generator storage battery electric quantity detection apparatus，This generator storage battery electric quantity detection apparatus is electrically connected with central control unit by circuit，Wireless launcher and radio receiver set up two-way wireless communication by GSM global system for mobile communications，Wireless launcher is electrically connected with central control unit by circuit，Radio receiver is electrically connected with display device and alarm device respectively by circuit.
Described solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor all adopt BA series AC current sensor, and the V/OJT port of this solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor is correspondingly connected to the P2.5 port of AT89c51 single-chip microcomputer, P2.4 port and P2.3 port respectively through circuit.
Described angular transducer adopts KMZ41 voltage output mode angular transducer, and this angular transducer is correspondingly connected to the P0.5 port of AT89c51 single-chip microcomputer, EA port, ALE port and PSEN port respectively through circuit.
Described light sensor adopts TSL2561 light sensor, and the SDA port of this light sensor and SCL port are correspondingly connected to P0.6 port and the P0.7 port of AT89c51 single-chip microcomputer respectively through circuit.
nullDescribed fuel-quantity transducer is liquid level sensor，This liquid level sensor adopts remaining oil mass in 485 communication module detection fuel tanks，485 communication modules carry out digital-to-analogue conversion by ADC0809 digital to analog converter，ADC0809 digital to analog converter is connected with AT89c51 single-chip microcomputer with by circuit，The wherein ECO port of ADC0809 digital to analog converter、OUTPUTENABLE port and COLOCK port are connected respectively the P1.7 port in AT89c51 single-chip microcomputer、P2.0 port and P2.1 port，The 2-1 port of ADC0809 digital to analog converter、2-2 port、2-3 port、2-4 port、2-5 port、2-6 port and 2-7 port are connected respectively the P1.0 port in AT89c51 single-chip microcomputer、P1.1 port、P1.2 port、P1.3 port、P1.4 port、P1.5 port and P1.6 port.
Described accumulator electric quantity detection apparatus and generator storage battery electric quantity detection apparatus are respectively used to the electricity of detection accumulator and the electricity of generator storage battery, adopting identical electric power detection module, the XIN port of this electric power detection module, RESET port, CS port, SDO port, XOUT port and SDI port are correspondingly connected to the P0.0 port of AT89c51 single-chip microcomputer, P0.1 port, P0.2 port, P0.3 port, P0.4 port and P0.5 port respectively through circuit.
Described fault detection module includes fuel-quantity transducer 7, angular transducer 8, optical sensor 9, solar-electricity flow sensor 10, wind-power electricity generation current sensor 11, electrical power generators current sensor 12, wherein optical sensor 9 is positioned on the solar panels of sun generator unit 1, gather Intensity of the sunlight, angular transducer 8 is positioned on wind power generation unit 2, whether detection wind-driven generator is in running order, solar-electricity flow sensor 10, wind-power electricity generation current sensor 11, electrical power generators current sensor 12 lays respectively at the exit that unit electric current flows out, current sensor is used for detecting whether all kinds of generating equipment sends electricity, the sensor of this module is directly joined directly together with central processing system one-chip computer module, the information collected is delivered directly to single-chip microcomputer.Wherein savings battery 5 is charged by solar power generation unit 1, wind power generation unit 2 and electrical power generators unit 3, and base station 4 is directly powered by accumulator 5.Wherein generator storage battery 6 is directly charged by accumulator 5 by potential device.Accumulator 6 is connected with accumulator 5, first accumulator 5 is store the electric energy from solar power generation unit 1 and wind power generation unit 2, when accumulator electric-quantity is lower than 20%, system start-up electrical power generators unit 3, when the electricity of accumulator 5 reaches 100%, system automatically cuts off the switch of electrical power generators unit 3, closes electrical power generators.
Accumulator described in the utility model mainly stores from device of solar generating, wind power generation plant and what electrical power generators device provided electric energy, generator storage battery unit is mainly used for starter-generator, when the electricity in accumulator is lower than 20%, central control unit Based Intelligent Control starter-generator device, generator storage battery is powered by secondary battery unit by potential device.
Carrying out practically process of the present utility model is: first passes through fault detection unit and detects sending out device of solar generating, wind power generation plant and electrical power generators device, the fuel-quantity transducer in fault detection unit, angular transducer, light sensor, solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor is utilized to gather the information of unit, the information collected is transferred in central control unit, central control unit this signal is analyzed.If be detected that system is in malfunction, send signal, signal includes five binary codes, the front two of these five binary codes represents the numbering of base station, there is the numbering of oneself each base station, 3rd code representative device of solar generating whether normal operation, this device normal operation is represented when code is 1, this device cisco unity malfunction is then represented when code is 0, 4th code represents wind power generation plant whether normal operation, this device normal operation is represented when code is 1, this device cisco unity malfunction is then represented when code is 0, 5th code represents electrical power generators device whether normal operation, this device normal operation is represented when code is 1, this device cisco unity malfunction is then represented when code is 0.System is carried out real-time detection by fault detection unit, and whether real-time monitoring system breaks down, and sets up telecommunication to discharge fault in time by wireless launcher and radio receiver.
Of the present utility model ultimate principle has more than been shown and described; principal character and advantage; under the premise without departing from this utility model spirit and scope, this utility model also has various changes and modifications, and these changes and improvements both fall within claimed scope of the present utility model.

Claims (6)

  1. null1. self-powered communication base station management system，It is characterized in that main by central control unit、Base station power supply unit、Generating-charging unit、Fault detection unit and telecommunication monitoring unit are constituted，Wherein central control unit is AT89c51 single-chip microcomputer，Base station power supply unit includes accumulator and generator storage battery，Generating-charging unit includes device of solar generating、Solar electrical energy generation charge controller、Wind power generation plant、Wind-power electricity generation charge controller、Electrical power generators device and electrical power generators charge controller，Fault detection unit includes fuel-quantity transducer、Angular transducer、Light sensor、Accumulator electric quantity detection apparatus、Generator storage battery electric quantity detection apparatus、Solar electrical energy generation current sensor、Wind-power electricity generation current sensor and electrical power generators current sensor，Telecommunication monitoring unit includes wireless launcher、Radio receiver、Display device and alarm device，Device of solar generating is electrically connected with accumulator by solar electrical energy generation charge controller，Wind power generation plant is electrically connected with accumulator by wind-power electricity generation charge controller，Electrical power generators device is electrically connected with accumulator by electrical power generators charge controller，This accumulator by circuit respectively with the charging end of generator storage battery、The power end of central control unit and the power end of communication base station are electrically connected，Generator storage battery provides power supply for the startup for electromotor，The solar panels of device of solar generating are provided with light sensor，This light sensor is electrically connected with central control unit by circuit，The flabellum of wind power generation plant is provided with angular transducer，This angular transducer is electrically connected with central control unit by circuit，The fuel tank of electrical power generators device is provided with fuel-quantity transducer，This fuel-quantity transducer is electrically connected with central control unit by circuit，Circuit between device of solar generating and solar electrical energy generation charge controller is connected to solar electrical energy generation current sensor，This solar electrical energy generation current sensor is electrically connected with central control unit by circuit，Circuit between wind power generation plant and wind-power electricity generation charge controller is connected to wind-power electricity generation current sensor，This wind-power electricity generation current sensor is electrically connected with central control unit by circuit，Circuit between electrical power generators device and electrical power generators charge controller is connected to electrical power generators current sensor，This electrical power generators current sensor is electrically connected with central control unit by circuit，Accumulator is provided with accumulator electric quantity detection apparatus，This accumulator electric quantity detection apparatus is electrically connected with central control unit by circuit，Generator storage battery is provided with generator storage battery electric quantity detection apparatus，This generator storage battery electric quantity detection apparatus is electrically connected with central control unit by circuit，Wireless launcher and radio receiver set up two-way wireless communication by GSM global system for mobile communications，Wireless launcher is electrically connected with central control unit by circuit，Radio receiver is electrically connected with display device and alarm device respectively by circuit.
  2. 2. self-powered communication base station according to claim 1 management system, it is characterized in that: described solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor all adopt BA series AC current sensor, and the V/OJT port of this solar electrical energy generation current sensor, wind-power electricity generation current sensor and electrical power generators current sensor is correspondingly connected to the P2.5 port of AT89c51 single-chip microcomputer, P2.4 port and P2.3 port respectively through circuit.
  3. 3. self-powered communication base station according to claim 1 management system, it is characterized in that: described angular transducer adopts KMZ41 voltage output mode angular transducer, and this angular transducer is correspondingly connected to the P0.5 port of AT89c51 single-chip microcomputer, EA port, ALE port and PSEN port respectively through circuit.
  4. 4. self-powered communication base station according to claim 1 management system, it is characterized in that: described light sensor adopts TSL2561 light sensor, and the SDA port of this light sensor and SCL port are correspondingly connected to P0.6 port and the P0.7 port of AT89c51 single-chip microcomputer respectively through circuit.
  5. null5. self-powered communication base station according to claim 1 management system，It is characterized in that: described fuel-quantity transducer is liquid level sensor，This liquid level sensor adopts remaining oil mass in 485 communication module detection fuel tanks，485 communication modules carry out digital-to-analogue conversion by ADC0809 digital to analog converter，ADC0809 digital to analog converter is connected with AT89c51 single-chip microcomputer with by circuit，The wherein ECO port of ADC0809 digital to analog converter、OUTPUTENABLE port and COLOCK port are connected respectively the P1.7 port in AT89c51 single-chip microcomputer、P2.0 port and P2.1 port，The 2-1 port of ADC0809 digital to analog converter、2-2 port、2-3 port、2-4 port、2-5 port、2-6 port and 2-7 port are connected respectively the P1.0 port in AT89c51 single-chip microcomputer、P1.1 port、P1.2 port、P1.3 port、P1.4 port、P1.5 port and P1.6 port.
  6. 6. self-powered communication base station according to claim 1 management system, it is characterized in that: described accumulator electric quantity detection apparatus and generator storage battery electric quantity detection apparatus are respectively used to the electricity of detection accumulator and the electricity of generator storage battery, adopting identical electric power detection module, the XIN port of this electric power detection module, RESET port, CS port, SDO port, XOUT port and SDI port are correspondingly connected to the P0.0 port of AT89c51 single-chip microcomputer, P0.1 port, P0.2 port, P0.3 port, P0.4 port and P0.5 port respectively through circuit.
CN201620158023.XU 2016-03-02 2016-03-02 Self -power communication base management system Expired - Fee Related CN205407386U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576807A (en) * 2016-03-02 2016-05-11 河南师范大学 Self-powered communication base station management system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105576807A (en) * 2016-03-02 2016-05-11 河南师范大学 Self-powered communication base station management system

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