CN205862266U - A kind of photovoltaic power optimizer based on LORA radio communication and system - Google Patents
A kind of photovoltaic power optimizer based on LORA radio communication and system Download PDFInfo
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- CN205862266U CN205862266U CN201620803467.4U CN201620803467U CN205862266U CN 205862266 U CN205862266 U CN 205862266U CN 201620803467 U CN201620803467 U CN 201620803467U CN 205862266 U CN205862266 U CN 205862266U
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- lora
- photovoltaic power
- power optimizer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
This utility model relates to a kind of photovoltaic power optimizer based on LORA radio communication and system.This system includes multiple photovoltaic power optimizer, LORA gateway and LORA server, each photovoltaic power optimizer is equipped with LORA wireless communication module, each photovoltaic power optimizer sends data to LORA gateway by LORA real-time performance point-to-point communication, order and the collection native data of being responsible for reception server according to LORA agreement with LORA gateway respectively；LORA gateway is connected with LORA server via Ethernet, is responsible for the data transmission realizing between described each photovoltaic power optimizer and LORA server.This utility model photovoltaic power optimizer based on LORA radio communication and system thereof, the LORA wireless communication module with high anti-interfering performance and broadband communication function is used to communicate, photovoltaic can be solved and produce the communication issue of region photovoltaic power optimizer, improve reliability and the long-distance transmissions ability of data transmission, reduce power consumption.
Description
Technical field
This utility model relates to photovoltaic monitoring field, particularly relates to a kind of photovoltaic power optimization based on LORA radio communication
Device and system.
Background technology
Photovoltaic power optimizer can optimize the output of every piece of photovoltaic module, independently executes for each photovoltaic module
Maximum power point tracking (MPPT), is the key equipment in photovoltaic generation optimization system.It has ceiling capacity collection conversion merit
Can, data acquisition function and communication function, it is suitable in the grid-connected photovoltaic power generation system of different scales application.
The data acquisition of current photovoltaic power optimizer typically uses RS485 communication or fieldbus transmission means.Use
The shortcoming of RS485 communication is: owing to photovoltaic DC-to-AC converter electromagnetic interference is extremely strong, often communicate unreliable.And use fieldbus to pass
Defeated mode transmission range is limited, cause in-convenience in use.
In view of the foregoing, in the urgent need to developing a kind of Long-range Data Transmission photovoltaic power solving the problems referred to above
Optimizer and system.
Utility model content
This utility model purpose is that solving photovoltaic produces the communication issue of region photovoltaic power optimizer, proposes a kind of base
In photovoltaic power optimizer and the system of LORA radio communication, this photovoltaic power optimizer uses has high anti-interfering performance and expansion
Frequently the LORA wireless communication module of communication function communicates, and can improve reliability and the long-distance transmissions ability of data transmission,
Reduce power consumption.
In first aspect, this utility model provides a kind of photovoltaic power optimizer based on LORA radio communication.This light
Volt power optimization device includes cpu chip and connected opens into optocoupler, display and button, and described photovoltaic power optimizer is also
One or more including in DC-DC modular converter, LORA wireless communication module and lower sensor:
Current sensor, voltage sensor and Temperature Humidity Sensor,
Described current sensor, voltage sensor are connected with cpu chip respectively with Temperature Humidity Sensor, for surveying respectively
The electric current of photovoltaic module, voltage and the transmission of ambient temperature and humidity signal that amount arrives are to described cpu chip；
Described cpu chip, opens into optocoupler, button, DC-DC modular converter and the data message of sensor for reading, and
Shown by display, externally transmitted by LORA wireless communication module, and according to the data genaration pulsewidth modulation letter read
Number；
Described DC-DC modular converter is connected with described cpu chip, for following the tracks of the MPP of photovoltaic module, and according to CPU
The output voltage/electric current of the pulse-width signal regulation photovoltaic module that chip generates, so that system output power is maximum.
Further, described photovoltaic power optimizer also includes AD conversion module, and it passes with current sensor, voltage respectively
Sensor is connected with cpu chip with Temperature Humidity Sensor, for by sensor measurement to analog data be converted into numerical data
It is re-fed into described cpu chip.
Further, integrated AD conversion module in described cpu chip, its with current sensor, voltage sensor and warm and humid
Degree sensor be respectively connected with, for by sensor measurement to analog data be converted into numerical data.
Further, described photovoltaic power optimizer also includes power supply, and it is connected with described cpu chip, for CPU core
Sheet is powered.
Further, described photovoltaic power optimizer also includes memorizer, and it is connected with described cpu chip, is used for storing
Photovoltaic data.
Second aspect, this utility model provides the data of a kind of photovoltaic power optimizer based on LORA radio communication and passes
Communication system.This system includes multiple photovoltaic power optimizer as described above, LORA gateway and LORA server,
The plurality of photovoltaic power optimizer passes through LORA real-time performance point-to-point communication with described LORA gateway respectively, uses
LORA gateway is sent data to according to LORA agreement in the order and collection native data receiving LORA server；
Described LORA gateway is connected with described LORA server via Ethernet, is used for realizing the plurality of photovoltaic power excellent
Change the data transmission between device and described LORA server.
Further, described system also includes multiple photovoltaic module, the corresponding power optimization device of each photovoltaic module, often
Individual power optimization device is located at the back side of the photovoltaic module of its correspondence.
The photovoltaic power optimizer based on LORA radio communication that the utility model proposes and system, the useful effect reached
Fruit is as follows:
1, using LORA wireless communication module to carry out data transmission, long transmission distance, sighting distance can reach 10km, raw at photovoltaic
Territory, producing region ensure that efficient communication.
2, use LORA wireless communication module to carry out data transmission, cable laying cost can be saved.
3, LORA gateway realizes point-to-point communication by LORA wireless network and power optimization device, can effectively synchronize, it is ensured that
Data validity.
4, photovoltaic power optimizer is set at each photovoltaic module back side, by photovoltaic power optimizer to each photovoltaic group
Part carries out stand alone type MPPT regulation, can realize the maximum power output of photovoltaic module.
Accompanying drawing explanation
Fig. 1 is the structural representation of photovoltaic power optimizer based on LORA radio communication of the present utility model；
Fig. 2 is the structure of the data transmission system of photovoltaic power optimizer based on LORA radio communication of the present utility model
Block diagram.
Description of reference numerals:
1-current sensor, 2-voltage sensor, 3-Temperature Humidity Sensor, 4-AD modular converter, 5-CPU chip, 6-opens
Enter optocoupler, 7-DC-DC modular converter, 8-display, 9-button, 10-power supply, 11-memorizer, 12-LORA wireless communication module,
21-photovoltaic power optimizer, 22-photovoltaic module, 23-LORA gateway, 24-LORA server.
Detailed description of the invention
For the technical scheme making those skilled in the art be better understood from this utility model embodiment, and make this reality
Can become apparent from understandable by the above-mentioned purpose of new embodiment, feature and advantage, below by drawings and Examples, to this reality
It is described in further detail by novel technical scheme.Based on the embodiment in this utility model, ordinary skill people
All other embodiments that member is obtained under not making creative work premise, broadly fall into the model of this utility model protection
Enclose.
Fig. 1 is the structural representation of photovoltaic power optimizer based on LORA radio communication of the present utility model.
As it is shown in figure 1, the photovoltaic power optimizer in the present embodiment includes current sensor 1, voltage sensor 2, warm and humid
Degree sensor 3, AD conversion module 4, cpu chip 5, open into optocoupler 6, DC-DC modular converter 7, display 8, button 9, power supply 10,
Memorizer 11, LORA wireless communication module 12.
Current sensor 1, voltage sensor 2, Temperature Humidity Sensor 3 are connected with AD conversion module 4 respectively, are responsible for photovoltaic
The electric current of assembly, voltage and ambient temperature and humidity signal are converted to be suitable for the weak voltage signal that AD conversion module 4 reads.
AD conversion module 4 is connected with cpu chip 5, and the weak voltage signal being responsible for AD conversion module 4 being read carries out modulus and turns
Send after changing to cpu chip 5.Should be appreciated that the AD conversion module 4 in the present embodiment can also be integrated in cpu chip 5.
Open into optocoupler 6, DC-DC modular converter 7, display 8, button 9, memorizer 11 and LORA wireless communication module respectively
Being connected with cpu chip 5, cpu chip 5 is responsible for reading AD conversion module 4, opening into optocoupler 6, DC-DC modular converter 7 and button 9
Data message, and shown by display 8, store data and by LORA wireless communication module 12 to unofficial biography by memorizer 11
Defeated.Cpu chip 5 is according to the moderate pulse-width signal (pwm signal) of data genaration dutycycle read simultaneously, and pulsewidth is adjusted
Signal processed sends to DC-DC modular converter 7.
DC-DC modular converter 7 is responsible for following the tracks of the MPP (maximum power point) of photovoltaic module, and according to cpu chip generation
The output voltage/electric current of pulse-width signal regulation photovoltaic module, so that the output caused because of the difference of photovoltaic module
Discordance obtains basic solution, it is ensured that system output power is maximum.
Power supply 10 is connected with cpu chip 5, is mainly used to power to cpu chip 5.
Fig. 2 is the structure of the data transmission system of photovoltaic power optimizer based on LORA radio communication of the present utility model
Block diagram.
As in figure 2 it is shown, the data transmission system of photovoltaic power optimizer based on LORA radio communication of the present utility model
Including multiple photovoltaic power optimizers 21 described above, photovoltaic module 22, LORA gateway 23 and LORA server 24.
The corresponding power optimization device 21 of each photovoltaic module 22, each power optimization device 21 is located at the photovoltaic group of its correspondence
The back side of part 22.
Each photovoltaic power optimizer 21 realizes point-to-point communication by LORA network and LORA gateway 23 respectively, is responsible for connecing
Order and the collection native data of receiving LORA server 24 send data to LORA gateway 23 according to LORA agreement, and realize
The maximum power output of photovoltaic module.
LORA gateway 23 is connected by Ethernet with LORA server 24, be responsible for realizing each photovoltaic power optimizer 21 with
Data transmission between LORA server 24.
During work, LORA server 24 timing sends calling order by LORA gateway 23 to photovoltaic power optimizer 21,
Convene the data of photovoltaic power optimizer 21.After photovoltaic power optimizer 21 receives the calling order of LORA server 24, with
Step gathers native data and sends data to LORA gateway 23 according to LORA agreement, LORA gateway 23 be sent to LORA server
24。
As it has been described above, according to this utility model, owing to LORA technology is as a kind of wireless technology, frequency based on Sub-GHz
Section makes it be more easy to lower power consumption telecommunication, it is possible to use battery is powered or the mode of other collection of energy is powered.Relatively
Low data rate also extends battery life and adds the capacity of network, and additionally the LORA signal penetration power to building is the most relatively
By force.Therefore this utility model has long transmission distance, cable laying low cost, that data transmission efficiency is high, equipment power dissipation is low etc. is excellent
Point.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (7)
1. a photovoltaic power optimizer based on LORA radio communication, including cpu chip and connected open into optocoupler, aobvious
Show device and button, it is characterised in that also include in DC-DC modular converter, LORA wireless communication module and lower sensor
Individual or multiple:
Current sensor, voltage sensor and Temperature Humidity Sensor,
Described current sensor, voltage sensor are connected with cpu chip respectively with Temperature Humidity Sensor, for arriving measuring respectively
The electric current of photovoltaic module, voltage and the transmission of ambient temperature and humidity signal to described cpu chip；
Described cpu chip, opens into optocoupler, button, DC-DC modular converter and the data message of each sensor for reading, and leads to
Cross display to show, externally transmitted by LORA wireless communication module, and according to the data genaration pulse-width signal read；
Described DC-DC modular converter is connected with described cpu chip, for following the tracks of the MPP of photovoltaic module, and according to cpu chip
The output voltage/electric current of the pulse-width signal regulation photovoltaic module generated, so that system output power is maximum.
Photovoltaic power optimizer based on LORA radio communication the most according to claim 1, it is characterised in that also include AD
Modular converter, it is connected with current sensor, voltage sensor and Temperature Humidity Sensor and cpu chip respectively, for passing
Sensor measurement to analog data be converted into numerical data and be re-fed into described cpu chip.
Photovoltaic power optimizer based on LORA radio communication the most according to claim 1, it is characterised in that described CPU
Being integrated with AD conversion module in chip, it is connected with current sensor, voltage sensor and Temperature Humidity Sensor respectively, is used for
By sensor measurement to analog data be converted into numerical data.
Photovoltaic power optimizer based on LORA radio communication the most according to claim 1, it is characterised in that also include electricity
Source, it is connected with described cpu chip, for powering to cpu chip.
Photovoltaic power optimizer based on LORA radio communication the most according to claim 1, it is characterised in that also include depositing
Reservoir, it is connected with described cpu chip, is used for storing photovoltaic data.
6. the data transmission system of a photovoltaic power optimizer based on LORA radio communication, it is characterised in that include multiple
Photovoltaic power optimizer, LORA gateway and LORA server, the plurality of photovoltaic power optimizer is claim 1 to 5 times
The photovoltaic power optimizer that one of meaning is described,
The plurality of photovoltaic power optimizer passes through LORA real-time performance point-to-point communication with described LORA gateway respectively, is used for connecing
Order and the collection native data of receiving LORA server send data to LORA gateway according to LORA agreement；
Described LORA gateway is connected with described LORA server via Ethernet, is used for realizing the plurality of photovoltaic power optimizer
And the data transmission between described LORA server.
The data transmission system of photovoltaic power optimizer based on LORA radio communication the most according to claim 6, it is special
Levying and be, described system also includes multiple photovoltaic module, the corresponding power optimization device of each photovoltaic module, each power optimization
Device is located at the back side of the photovoltaic module of its correspondence.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620803467.4U CN205862266U (en) | 2016-07-27 | 2016-07-27 | A kind of photovoltaic power optimizer based on LORA radio communication and system |
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| CN201620803467.4U CN205862266U (en) | 2016-07-27 | 2016-07-27 | A kind of photovoltaic power optimizer based on LORA radio communication and system |
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| CN205862266U true CN205862266U (en) | 2017-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425878A (en) * | 2017-05-27 | 2017-12-01 | 南京泛和电力自动化有限公司 | Wireless communications method and wireless terminal for photovoltaic generation monitoring |
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2016
- 2016-07-27 CN CN201620803467.4U patent/CN205862266U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425878A (en) * | 2017-05-27 | 2017-12-01 | 南京泛和电力自动化有限公司 | Wireless communications method and wireless terminal for photovoltaic generation monitoring |
| CN107425878B (en) * | 2017-05-27 | 2020-02-18 | 夏德华 | Wireless communication method and wireless terminal for photovoltaic power generation monitoring |
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