CN206963091U - For monitoring the wireless base station of photovoltaic module - Google Patents

For monitoring the wireless base station of photovoltaic module Download PDF

Info

Publication number
CN206963091U
CN206963091U CN201720614992.6U CN201720614992U CN206963091U CN 206963091 U CN206963091 U CN 206963091U CN 201720614992 U CN201720614992 U CN 201720614992U CN 206963091 U CN206963091 U CN 206963091U
Authority
CN
China
Prior art keywords
base station
wireless base
micromachine
tunable capacitor
processor
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
Application number
CN201720614992.6U
Other languages
Chinese (zh)
Inventor
夏德华
赵鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Foho Electricity Automation Co Ltd
Original Assignee
Nanjing Foho Electricity Automation Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Foho Electricity Automation Co Ltd filed Critical Nanjing Foho Electricity Automation Co Ltd
Priority to CN201720614992.6U priority Critical patent/CN206963091U/en
Application granted granted Critical
Publication of CN206963091U publication Critical patent/CN206963091U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Transceivers (AREA)

Abstract

A kind of wireless base station for being used to monitor photovoltaic module is the utility model is related to, including：Reception antenna, amplifying circuit, filter circuit, radio frequency chip, processor, MUX, multiple power amplifiers, output impedance match circuit, impedance adjustment circuit, transmitting antenna, communication module；The output impedance match circuit includes the first tunable capacitor, the second tunable capacitor and inductance；The impedance adjustment circuit includes the first micromachine and the second micromachine.The wireless base station for being used to monitor photovoltaic module that the utility model relates to improves the stability of wireless base station by optimizing circuit, wireless base station is enabled preferably to adapt to field rugged environment, the automatic monitoring to large-scale photovoltaic power generation equipment is realized, reduces the energy consumption and maintenance cost of system.

Description

For monitoring the wireless base station of photovoltaic module
Technical field
It the utility model is related to photovoltaic apparatus monitoring technology field, and in particular to for monitoring the wireless base of photovoltaic module Stand.
Background technology
Solar energy is increasingly favored by people, greatly develops photovoltaic industry and is approved in the world, and into For the important component of various countries' energy development.Planned according to " 13 ", the installation of the year two thousand twenty photovoltaic generation will reach 1.05 hundred million More than kilowatt.However, the operation management problem faced with a large amount of construction photovoltaic plants also becomes increasingly conspicuous, photovoltaic generation scene The field of spaciousness is in, natural environment is more severe, from central station of floating dock farther out, it has not been convenient to manual patrol so that photovoltaic case becomes To monitor difficult point, to huge photovoltaic array progress, monitoring, Breakdown Maintenance, remote-control turn into solar-electricity station administration in real time One of important content.
In photovoltaic generation industry, the communication subsystem in photovoltaic module monitoring system is by traditional wired and wireless two kinds Mode forms.Wired mode typically uses RS485 bus network, on same bus, can at most mount 32 nodes, deployment It is required that high, it is necessary to lay private cable, and can supporting node be limited.Wireless mode is typically using mobile communication such as GPRS/3G/4G Carrier network, more certain than cable network more flexible, easily deployment, but data traffic cost is high, and it is limited to carrier network Coverage.
Wired mode is that the Monitoring Data collected is sent to base station, base by front end monitoring collection equipment by wireless terminal Stand and be transferred to remote monitoring end after collecting the data that wireless terminal is sent, statistical summaries are carried out to data by remote monitoring end, it is real Now automate management and control photovoltaic generating system.Base station is in highly important status in whole managing and control system, therefore, it is necessary to improves The stability of base station is to adapt to the adverse circumstances in field.
Utility model content
For in the prior art the defects of, it is provided by the utility model to be used to monitor the wireless base station of photovoltaic module, pass through Optimization circuit improves the stability of wireless base station so that wireless base station can preferably adapt to field rugged environment, realize Automatic monitoring to large-scale photovoltaic power generation equipment, reduce the energy consumption and maintenance cost of system.
The utility model provides a kind of wireless base station for being used to monitor photovoltaic module, including：Reception antenna, amplification electricity Road, filter circuit, radio frequency chip, processor, MUX, multiple power amplifiers, output impedance match circuit, impedance are adjusted Economize on electricity road, transmitting antenna, communication module；
The output impedance match circuit includes the first tunable capacitor, the second tunable capacitor and inductance；
The impedance adjustment circuit includes the first micromachine and the second micromachine；
The reception antenna, the amplifying circuit, the filter circuit, the radio frequency chip, processor order connect Connect；
The signal input part of the MUX is connected with the radio frequency chip, the control terminal of the MUX with Processor connection, multiple signal output parts of MUX input with multiple power amplifiers respectively Connection, the input of the output end of the power amplifier with the output impedance match circuit are connected, the output impedance The output end of match circuit is connected with the transmitting antenna；
The inductance is connected between the transmitting antenna and the power amplifier, one end of first tunable capacitor It is connected with the first end of the inductance, the other end ground connection of first tunable capacitor, one end of second tunable capacitor It is connected with the second end of the inductance, the other end ground connection of second tunable capacitor；
The processor is connected with the control terminal of the first micromachine, and the output shaft of first micromachine passes through transmission Structure is connected with the adjusting knob of first tunable capacitor, and first micromachine passes through under the control of the processor Rotate the capacitance that the adjusting knob adjusts the first tunable capacitor；
The processor is connected with the control terminal of the second micromachine, and the output shaft of second micromachine passes through transmission Structure is connected with the adjusting knob of second tunable capacitor, and second micromachine passes through under the control of the processor Rotate the capacitance that the adjusting knob adjusts the second tunable capacitor；
The processor is connected with the communication module.
The wireless base station that the utility model improves, being used alternatingly for power amplifier is realized by MUX, is prevented Only power amplifier is because of heavy-duty service generation hydraulic performance decline, or even irreversible damage occurs, and improves the steady of wireless base station Qualitative and reliability.Realized by impedance adjustment circuit and impedance matching is automatically adjusted to different tranmitting frequencies so that output impedance The impedance of match circuit is optimal with tranmitting frequency to be matched, and is reduced energy reflection, is lifted transimission power, improve wireless base station The reliability of transmitting terminal.
Preferably, the amplifying circuit includes low-noise amplifier.
Preferably, the power amplifier is GaN power amplifier.
Preferably, first micromachine and second micromachine are micro-step motor.
Preferably, the model CC1100E of the radio frequency chip.
Preferably, the processor is any one in MCU, CPU, FPGA, DSP, ARM, ASIC.
Preferably, the communication module is wireless communication module or wire communication module.
Brief description of the drawings
The circuit block diagram for being used to monitor the wireless base station of photovoltaic module that Fig. 1 is provided by the utility model embodiment；
The circuit diagram for the output impedance match circuit that Fig. 2 is provided by the utility model embodiment.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only For clearly illustrating the technical solution of the utility model, therefore example is intended only as, and this reality can not be limited with this With new protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality The ordinary meaning understood with new one of ordinary skill in the art.
The wireless base station applications that the present embodiment provides are in photovoltaic generation scene managing and control system.Photovoltaic generation scene managing and control system Including remote monitoring end, wireless base station, wireless terminal, front end monitoring collection equipment.Front end monitoring collection equipment is arranged on each Near monitored photovoltaic module, the Monitoring Data collected is sent to by base station by wireless terminal, it is wireless that its is collected in base station The data that all wireless terminals in signal cover are sent, are transferred to remote monitoring end, by remote monitoring end by optical fiber Statistical summaries are carried out to data, realize automation management and control photovoltaic generating system.
As shown in figure 1, the wireless base station for being used to monitor photovoltaic module that the present embodiment provides, including：Reception antenna, amplification Circuit, filter circuit, radio frequency chip, processor, MUX, multiple power amplifiers, output impedance match circuit, impedance Adjust circuit, transmitting antenna, communication module.
The output impedance match circuit includes the first tunable capacitor C1, the second tunable capacitor C2 and inductance L.
The impedance adjustment circuit includes the first micromachine and the second micromachine.
The reception antenna, the amplifying circuit, the filter circuit, the radio frequency chip, processor order connect Connect.
The signal input part of the MUX is connected with the radio frequency chip, the control terminal of the MUX with Processor connection, multiple signal output parts of MUX input with multiple power amplifiers respectively Connection, the input of the output end of the power amplifier with the output impedance match circuit are connected, the output impedance The output end of match circuit is connected with the transmitting antenna.
As shown in Fig. 2 the inductance L is connected between the transmitting antenna and the power amplifier, described first can Electric capacity C1 one end is adjusted to be connected with the first end of the inductance L, the other end ground connection of the first tunable capacitor C1 is described Second tunable capacitor C2 one end is connected with the second end of the inductance L, the other end ground connection of the second tunable capacitor C2.
The processor is connected with the control terminal of the first micromachine, and the output shaft of first micromachine passes through transmission Structure is connected with the adjusting knob of the first tunable capacitor C1, and first micromachine leads under the control of the processor Cross and rotate the capacitance that the adjusting knob adjusts the first tunable capacitor C1.Wherein, drive mechanism is common drive mechanism, This is not being repeated.
The processor is connected with the control terminal of the second micromachine, and the output shaft of second micromachine passes through transmission Structure is connected with the adjusting knob of the second tunable capacitor C2, and second micromachine leads under the control of the processor Cross and rotate the capacitance that the adjusting knob adjusts the second tunable capacitor C2.Wherein, drive mechanism is common drive mechanism, This is not being repeated.
The processor is connected with the communication module.Wireless base station carries out data by communication module and remote monitoring end Transmission.
The workflow of above-mentioned wireless base station is as follows：Processor timing generation detection signal, is encoded by radio frequency chip, adjusted Spread spectrum processed obtains radiofrequency signal, and radiofrequency signal passes through the outside spoke of transmitting antenna after power amplifier amplified signal power all the way Penetrate, the wireless terminal in the range of signal radiation can all receive detection signal.Receiving the wireless terminal of detection signal can return Monitoring Data.The signal that wireless terminal feedback returns is received by reception antenna, and amplified circuit amplifies signal, then filtered circuit Noise jamming is filtered out, input processor after decoding is demodulated by radio frequency chip, corresponding data processing is carried out, has handled Data are sent to remote monitoring end by communication module.
In the wireless base station course of work, processor to the control terminal of MUX by sending control signal, so that it may , can be according to the fortune of power amplifier to select suitable power amplifier to be to radiofrequency signal progress power amplifier, such benefit Row shape body, usage time realize being used alternatingly for power amplifier, prevent power amplifier from occurring because of heavy-duty service under performance Drop, or even irreversible damage occurs.By foregoing circuit, the stability and reliability of wireless base station are improved.
Control to wireless base station can be realized by remote monitoring end.For example set or changed by remote monitoring end The tranmitting frequency of wireless terminal.Processor finds C1, C2 electric capacity according to the tranmitting frequency of setting in the table pre-set Value, control the first micromachine and the second micromachine to rotate according to capacitance, revolved by drive mechanism C1, C2 regulation Button is rotated, and C1, C2 capacitance is adjusted with this so that the impedance of output impedance match circuit and tranmitting frequency are optimal Match somebody with somebody, realize and different tranmitting frequencies are automatically adjusted with impedance matching, reduce energy reflection, lift transimission power, improve wireless base Stand the reliability of transmitting terminal.
In order to improve the signal to noise ratio of reception signal, the amplifier in the amplifying circuit is preferably low-noise amplifier.It is low The noise coefficient of noise amplifier is very low, when amplifying small-signal, can with interference of the step-down amplifier self-noise to signal, To improve the signal to noise ratio of output.
The power amplifier is preferably GaN power amplifier.Radio-frequency power amplifier has height made of GaN material The characteristic of power density, efficient, high reliability and pipe band, the output equivalent electric capacity of GaN power amplifier is smaller, with use Silicon materials, the radio-frequency power amplifier of GaAs material are compared, the change that the output resistances of GaN power amplifiers increases with frequency Change amount can be much smaller, and the Simultaneous Switching response time is very short.Therefore, selection GaN power amplifier can greatly improve switch work( The efficiency put, so as to improve emission effciency.
In order to improve the precision of capacitance value, make the regulation of impedance matching more accurate, first micromachine and Second micromachine is preferably micro-step motor.The electric capacity that processor is adjusted as needed is worth to the arteries and veins of respective amount Rush signal and send micro-step motor, after micro-step motor receives a pulse signal, just rotate one by the direction of setting The angle (i.e. stepping angle) of individual fixation, the angle of rotation is controlled by controlling pulse number, so as to reach precisely regulation electric capacity The purpose of device adjusting knob.
Wherein, the model CC1100E of the radio frequency chip.CC1100E is a high-performance radio-frequency transceiver, suitable for pole The wireless communications application of low-power consumption, it is particularly suitable for those wireless applications for being directed to 470MHz~510MHz communication equipments.
Wherein, processor can use CPU, FPGA, DSP, ARM, ASIC, or other have the microprocessor of identical function Device chip is realized, can be carried out selection design according to the concrete condition of practical application, not repeated herein.
Wherein, the communication module is wireless communication module and/or wire communication module.
Photovoltaic generation scene managing and control system based on above-mentioned wireless base station can adapt to the wild environment of complexity, suitable for big The automatic monitoring of the photovoltaic power generation equipment of scale, reduce the energy consumption and maintenance cost of system.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.

Claims (7)

  1. A kind of 1. wireless base station for being used to monitor photovoltaic module, it is characterised in that including：
    Reception antenna, amplifying circuit, filter circuit, radio frequency chip, processor, MUX, multiple power amplifiers, output Impedance matching circuit, impedance adjustment circuit, transmitting antenna, communication module；
    The output impedance match circuit includes the first tunable capacitor, the second tunable capacitor and inductance；
    The impedance adjustment circuit includes the first micromachine and the second micromachine；
    The reception antenna, the amplifying circuit, the filter circuit, the radio frequency chip, the processor are linked in sequence；
    The signal input part of the MUX is connected with the radio frequency chip, the control terminal of the MUX with it is described Processor connects, and multiple signal output parts of the MUX connect with the input of multiple power amplifiers respectively Connect, the input of the output end of the power amplifier with the output impedance match circuit is connected, the output impedance Output end with circuit is connected with the transmitting antenna；
    The inductance is connected between the transmitting antenna and the power amplifier, one end of first tunable capacitor and institute State the first end connection of inductance, the other end ground connection of first tunable capacitor, one end of second tunable capacitor and institute State the second end connection of inductance, the other end ground connection of second tunable capacitor；
    The processor is connected with the control terminal of the first micromachine, and the output shaft of first micromachine passes through drive mechanism It is connected with the adjusting knob of first tunable capacitor, first micromachine passes through rotation under the control of the processor The adjusting knob adjusts the capacitance of the first tunable capacitor；
    The processor is connected with the control terminal of the second micromachine, and the output shaft of second micromachine passes through drive mechanism It is connected with the adjusting knob of second tunable capacitor, second micromachine passes through rotation under the control of the processor The adjusting knob adjusts the capacitance of the second tunable capacitor；
    The processor is connected with the communication module.
  2. 2. wireless base station according to claim 1, it is characterised in that the amplifying circuit includes low-noise amplifier.
  3. 3. wireless base station according to claim 1, it is characterised in that the power amplifier is GaN power amplifiers.
  4. 4. wireless base station according to claim 1, it is characterised in that first micromachine and second micro electric Machine is micro-step motor.
  5. 5. wireless base station according to claim 1, it is characterised in that the model CC1100E of the radio frequency chip.
  6. 6. wireless base station according to claim 1, it is characterised in that the processor be MCU, CPU, FPGA, DSP, Any one in ARM, ASIC.
  7. 7. wireless base station according to claim 1, it is characterised in that the communication module is wireless communication module or wired Communication module.
CN201720614992.6U 2017-05-27 2017-05-27 For monitoring the wireless base station of photovoltaic module Active CN206963091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720614992.6U CN206963091U (en) 2017-05-27 2017-05-27 For monitoring the wireless base station of photovoltaic module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720614992.6U CN206963091U (en) 2017-05-27 2017-05-27 For monitoring the wireless base station of photovoltaic module

Publications (1)

Publication Number Publication Date
CN206963091U true CN206963091U (en) 2018-02-02

Family

ID=61378514

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720614992.6U Active CN206963091U (en) 2017-05-27 2017-05-27 For monitoring the wireless base station of photovoltaic module

Country Status (1)

Country Link
CN (1) CN206963091U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109526067A (en) * 2018-12-11 2019-03-26 深圳市联智物联网科技有限公司 A kind of locating base station
CN110011943A (en) * 2019-03-20 2019-07-12 珠海市杰理科技股份有限公司 The adjustment method and device of electronic product commissioning device
CN110138354A (en) * 2019-06-14 2019-08-16 常州鑫立离子技术有限公司 Radio frequency electric generator remote radio frequency power matching system
CN118138067A (en) * 2024-05-07 2024-06-04 四川宽疆科技有限公司 Medium wave self-adaptive electric tuning matching network system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109526067A (en) * 2018-12-11 2019-03-26 深圳市联智物联网科技有限公司 A kind of locating base station
CN110011943A (en) * 2019-03-20 2019-07-12 珠海市杰理科技股份有限公司 The adjustment method and device of electronic product commissioning device
CN110138354A (en) * 2019-06-14 2019-08-16 常州鑫立离子技术有限公司 Radio frequency electric generator remote radio frequency power matching system
CN118138067A (en) * 2024-05-07 2024-06-04 四川宽疆科技有限公司 Medium wave self-adaptive electric tuning matching network system and method

Similar Documents

Publication Publication Date Title
CN206963091U (en) For monitoring the wireless base station of photovoltaic module
CN103441338B (en) The phased active integrated antenna of a kind of remote controlled two dimensional surface
CN104333334A (en) Broadband and low-noise radio frequency amplifier of satellite navigation aviation enhancing system and transmission device
CN103594803A (en) Self-configurable resonant antenna and working method thereof
CN110166152A (en) Spaceborne broadband electromagnetical frequency spectrum sensing device and electromagnetic spectrum perception algorithm
CN202281836U (en) Radio frequency front end based on compass second generation/GPS double navigation systems
CN204498275U (en) The patrol unmanned machine of a kind of optimizing data
CN110418295A (en) A kind of wireless multi-band communication method and system based on Lora
CN206775471U (en) For monitoring the wireless terminal of photovoltaic module
Shariati et al. Highly sensitive FM frequency scavenger integrated in building materials
CN202855905U (en) Intermediate frequency analog RoF type phase active integrated antenna
CN203326987U (en) Switch type power amplifier and multichannel bidirectional tower amplification equipment based on switch type power amplifier
CN201682496U (en) Wireless communication network intelligent amplifier
CN111505981B (en) UHF-based intelligent information acquisition system and method
CN107634784A (en) Versatile elevator long-distance monitorng component
CN112713904B (en) Composite tuning network and antenna tuner
CN212304871U (en) UHF-based remote electric power information acquisition system
CN210724683U (en) Compound communication system of photovoltaic optimizer based on Lora and PLC
CN112491167A (en) Microwave wireless power supply system and method applied to power grid transmission line monitoring equipment
CN202197277U (en) Low noise tower top amplifier
CN202523850U (en) Antenna system
CN204681163U (en) A kind of initiatively distribution distributing voltage acquisition transmitting device
CN203288755U (en) RoF-type phase control active integrated antenna array suitable for FDD system
CN206211955U (en) A kind of Adaptive matching circuit
CN101656437B (en) Remote feeder device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant