CN207603574U - A kind of photovoltaic module on-line detecting system - Google Patents
A kind of photovoltaic module on-line detecting system Download PDFInfo
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- CN207603574U CN207603574U CN201721675871.9U CN201721675871U CN207603574U CN 207603574 U CN207603574 U CN 207603574U CN 201721675871 U CN201721675871 U CN 201721675871U CN 207603574 U CN207603574 U CN 207603574U
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- module
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- acquisition module
- detecting system
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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
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Abstract
The utility model discloses a kind of photovoltaic module on-line detecting system, and module data acquisition module is used for the voltage of collection assembly, operating temperature data after the instruction for receiving hand-held data reader, and is wirelessly sent to hand-held data reader；Current acquisition module, illuminance acquisition module are respectively used to the operating current and photometric data of the collection assembly after the instruction for receiving hand-held data reader, then are sent to hand-held data reader by wired or wireless mode；Each acquisition module is respectively provided with unique ID, is shown by way of bar code or Quick Response Code；Hand-held data reader is used to receive the data of each acquisition module and be shown.Such system can be based on wireless telecommunications and carry out data extraction and detection to running photovoltaic module, and the component to break down can be rapidly and accurately found after Power Station Monitored Control System Primary Location failure string formation.
Description
Technical field
The utility model belongs to photovoltaic module monitoring technology field, it is more particularly to a kind of by wireless communication mode to operation
In the system that is detected of photovoltaic module.
Background technology
The DC generation part of general photovoltaic plant is made up of the connection in series-parallel of component, as shown in Figure 1, component conduct
Most important generator unit is to do stringent test and screening in manufacture, to ensure to reach preferable matching effect.
But during the very long use of solar energy photovoltaic system, often because encountering such as chimney, shade, birds droppings, crow
Cloud, dust etc. block, and long-term blocking can form hot spot on component, reduce generating efficiency, while also increase fire
Hidden danger.It is even influenced simultaneously without specific factor, under normal use environment, component can also be sent out over time in itself
Raw attenuation, the existing general character of this attenuation characteristic of component also have unique individual character.Independent individual character refers to that each component is respective
The degree of attenuation differs, mutually far short of what is expected.This with make battery material quality, the influence of manufacturing process and power station installation implement
Process has relationship.
Current photovoltaic plant is monitored just for equipment such as photovoltaic combining inverter, header box, weather station and ammeters, and
It is not directed to every piece of solar cell module.When monitoring system is alarmed, it can only know that some array or string formation go out to ask
Topic, and the component of failure cannot be accurately positioned, it is still necessary to artificially detection is gone to search by instrument and equipment.At present to array
In assembly test method there are many defects and deficiency, be such as unable to on-line testing, when test must disconnect the company between component
It connects；Testing time is long；Test equipment costliness etc..It is still inconvenient to safeguard in this way, especially to photovoltaic power station, has much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic module on-line detecting system, can be based on wireless telecommunications pair
Running photovoltaic module carries out data extraction and detection, can be quick and precisely after Power Station Monitored Control System Primary Location failure string formation
Find the component to break down in ground.
In order to achieve the above objectives, the solution of the utility model is：
A kind of photovoltaic module on-line detecting system is adopted including hand-held data reader, module data acquisition module, electric current
Collect module and illuminance acquisition module；
Each acquisition module is respectively provided with unique ID, is shown by way of bar code or Quick Response Code；
The module data acquisition module is used for the electricity of the collection assembly after the instruction for receiving hand-held data reader
Pressure and junction box temperature data, and wirelessly it is sent to hand-held data reader；
The current acquisition module is electric for the work of the collection assembly after the instruction for receiving hand-held data reader
Stream, then hand-held data reader is sent to by wired or wireless mode；
The illuminance acquisition module is used to collect photometric data after the instruction for receiving hand-held data reader, and
Hand-held data reader is sent to by way of wirelessly or non-wirelessly；
The hand-held data reader is used to receive the data of each acquisition module and be shown.
Above system further includes environmental data collecting module, and the environmental data collecting module is used to receive hand-held
Environmental data is collected after the instruction of data reader, and hand-held data reader is sent to by wired or wireless mode.
Above-mentioned wireless mode uses 433M or 2.4G communication modes；The wired mode uses RS485 or RS232 modes.
Said modules data acquisition module is integrated in inside assembly junction box or separately installed in module backside.
Said modules data acquisition module has unique ID, and component wiring is pasted onto by way of bar code or Quick Response Code
Box front, component side frame or module frame front.
Said modules data acquisition module includes module data MCU, voltage collection circuit, temperature collection circuit, power supply mould
Block and wireless communication module, wherein：Four terminals in voltage collection circuit difference connection component terminal box with components welding, are adopted
Often go here and there the voltage of cell piece in collection component voltage and component, the temperature data of temperature collection circuit collection assembly junction box,
Voltage collection circuit and the collected data of temperature collection circuit are input to module data MCU, module data MCU control channel radios
Module transceiving data is interrogated, power module is used to component voltage 36V being converted to module required voltage.
Above-mentioned current acquisition module includes the current collection circuit with Hall sensor, electric current MCU, serial port module and wireless
Communication module, Hall sensor send collected current signal to electric current MCU, electric current MCU controls by current collection circuit
Wireless communication module transceiving data processed passes through serial port module transceiving data.
Above-mentioned wireless communication module uses 2.4G or 433M communication modes, and serial port module uses RS485 or RS232 modes.
Above-mentioned each current acquisition module and illuminance acquisition module all have unique ID, pass through bar code or the side of Quick Response Code
Formula is pasted onto in module housing.
Above system further includes environmental data collecting module, and the environmental data collecting module is used to receive hand-held
Environmental data is collected after the instruction of data reader, and hand-held data reader is sent to by wired or wireless mode.
Above-mentioned illuminance acquisition module is combined with hand-held data reader or is separately separately provided.
After using the above scheme, the utility model can measure group in photovoltaic DC power generation array actual moving process
The operating current of part, voltage, temperature, it contains the data acquisition device installed on each component and hand-held mobile wireless
Reception device.Do not change the structure of current solar cell module and photovoltaic plant during a whole set of detecting system use, nor affect on
Photovoltaic plant operation power generation.
Description of the drawings
Fig. 1 is the component connection configuration diagram of existing photovoltaic plant；
Fig. 2 is the integrated stand composition of the utility model；
Fig. 3 is the circuit diagram of voltage acquisition module and temperature collecting module in the utility model；
Fig. 4 is the circuit diagram of current acquisition module in the utility model；
Fig. 5 is the circuit diagram of hand-held data reader in the utility model.
Specific embodiment
Below with reference to attached drawing, the technical solution of the utility model and advantageous effect are described in detail.
As shown in Fig. 2, the utility model provides a kind of photovoltaic module on-line detecting system, read including hand-held data
Device, module data acquisition module, current acquisition module, illuminance (or irradiation) acquisition module and environmental data collecting module,
In, the parameter of environmental data collecting module acquisition can be environment temperature, ambient humidity or other data, may include environment temperature
Acquisition module and collecting ambient humidity module, are introduced separately below.
The module data acquisition module is used for the collection group after the instruction for receiving hand-held data reader (main website)
The voltage of part and assembly junction box internal temperature data, and pass through wireless (433M or 2.4G etc.) mode and be sent to hand-held data
Reader；The module data acquisition module can be integrated in inside assembly junction box, and each module has unique ID, passes through
Bar code or the mode of Quick Response Code are pasted onto assembly junction box front and component side frame and module frame front, are read with facilitating
It takes, identify；As shown in figure 3, module data acquisition module includes MCU, voltage collection circuit, temperature collection circuit, power module
And wireless communication module, wherein, four terminals in voltage collection circuit difference connection component terminal box with components welding, acquisition
Often go here and there the voltage of cell piece in component voltage and component；Temperature collection circuit has multiple temperature probes, can acquire junction box
The temperature of temperature and three protection diodes；The collected voltage data of voltage collection circuit and temperature collection circuit are collected
Temperature data is all input to MCU, and MCU controls 2.4G or 433M wireless communication module transceiving datas by SPI serial ports；Power module
For component voltage 36V to be converted to module required voltage.
The current acquisition module is used for the operating current of acquisition component.It generates electricity end (figure one) in photovoltaic component DC, first
It is first to be connected into a string formation, then a photovoltaic array is composed in parallel by several string formations by several block assemblies.Therefore component institute
It is exactly the electric current of component in the string electric current of string formation, as long as acquisition component electric current acquires the string electric current of this component place string formation i.e.
It can.In the present embodiment, using the current collection circuit with Hall folding current sensor, as shown in figure 4, the current acquisition
Module includes current collection circuit, MCU, serial port module and wireless communication module, wherein, Hall sensor is by collected electric current
Signal sends MCU to by current collection circuit, and MCU controls 2.4G or 433M wireless communication modules to receive and dispatch number by SPI serial ports
According to, also can by serial port module in a manner of RS485 or RS232 transceiving data.The current acquisition module is as a result of Hall
Folding current sensor, acquisition current data are not need to disconnect component circuit, do not influence the operation of photovoltaic plant.
The illuminance acquisition module passes through wireless (433M or 2.4G etc.) mode and is sent to for acquiring photometric data
Hand-held data reader or between hand-held data reader by the way of wired connection (RS485, RS232)；It is described
Illuminance acquisition module can sense the light sensation of illuminance in addition to that need to use, and remaining circuit structure can be identical with current acquisition module.
The environmental data collecting module passes through wireless (433M or 2.4G for acquiring the data such as environment temperature, humidity
Deng) mode is sent to hand-held data reader or between hand-held data reader by the way of wired connection
(RS485, RS232) transmission data；The temperature collection module and collecting ambient humidity module can be sensed in addition to that need to use
The sensor of temperature and humidity, remaining circuit structure can be identical with current acquisition module.
Each current acquisition module, illuminance acquisition module, environmental data collecting module all have unique ID, pass through bar code
Or the mode of Quick Response Code is pasted onto the upper of module housing, to facilitate identification.
The hand-held data reader is used to receive the data of each acquisition module and be shown, coordinates shown in Fig. 5,
It is set including MCU, touch screen, keyboard, wireless communication module, serial port module, barcode scanning equipment, power management module, battery and storage
It is standby, wherein, for reading the corresponding bar code of each acquisition module or Quick Response Code, keyboard is used to input each acquisition module pair barcode scanning equipment
The ID answered and input instruction, touch screen is for display data information and input instruction, the electricity that power management module provides battery
After pressure is handled, MCU power supplies are given.
During work, the ID of other modules is entered into hand-held data reader in advance in addition to module data acquisition module first
In, instruction is sent out by keyboard or touch screen during test, MCU receptions instruct to it is rear goes to read by barcode scanning equipment need to acquire number
According to component on bar code (module data acquisition module ID), be then returned to MCU.MCU controls wireless communication module or string again
Mouth mold block sends synchronizing signal to corresponding module data acquisition module and other each acquisition modules, and each module receives synchronous letter
In same time gathered data after number, hand-held data is transferred data to by wireless communication module or RS485 buses later
Reader, hand-held data reader after receiving data show and store in storage device in case inquiring on the touchscreen.
The module data acquisition module can be integrated with assembly junction box, or individually be installed on component
The back side.Illuminance acquisition module may be integrally incorporated to together with hand-held data reader, can also be separately individually placed.
Above example is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within the scope of novel protected.
Claims (10)
1. a kind of photovoltaic module on-line detecting system, it is characterised in that：Including hand-held data reader, module data acquisition mould
Block, current acquisition module and illuminance acquisition module；
Each acquisition module is respectively provided with unique ID, is shown by way of bar code or Quick Response Code；
The module data acquisition module be used for after the instruction for receiving hand-held data reader the voltage of collection assembly and
Junction box temperature data, and wirelessly it is sent to hand-held data reader；
The current acquisition module is used for the operating current of the collection assembly after the instruction for receiving hand-held data reader, then
Hand-held data reader is sent to by wired or wireless mode；
The illuminance acquisition module is used to collect photometric data after the instruction for receiving hand-held data reader, and pass through
Mode wirelessly or non-wirelessly is sent to hand-held data reader；
The hand-held data reader is used to receive the data of each acquisition module and be shown.
2. a kind of photovoltaic module on-line detecting system as described in claim 1, it is characterised in that：The system also includes environment
Data acquisition module, the environmental data collecting module are used to collect environment after the instruction for receiving hand-held data reader
Data, and hand-held data reader is sent to by wired or wireless mode.
3. a kind of photovoltaic module on-line detecting system as claimed in claim 1 or 2, it is characterised in that：The wireless mode is adopted
With 433M or 2.4G communication modes；The wired mode uses RS485 or RS232 modes.
4. a kind of photovoltaic module on-line detecting system as described in claim 1, it is characterised in that：The module data acquires mould
Block is integrated in inside assembly junction box or separately installed in module backside.
5. a kind of photovoltaic module on-line detecting system as claimed in claim 4, it is characterised in that：The module data acquires mould
Block has unique ID, and assembly junction box front, component side frame or component side are pasted onto by way of bar code or Quick Response Code
Frame front.
6. a kind of photovoltaic module on-line detecting system as described in claim 1, it is characterised in that：The module data acquires mould
Block includes module data MCU, voltage collection circuit, temperature collection circuit, power module and wireless communication module, wherein：Voltage
Four terminals with components welding in Acquisition Circuit difference connection component terminal box, often go here and there battery in acquisition component voltage and component
The voltage of piece, the temperature data of temperature collection circuit collection assembly junction box, voltage collection circuit and temperature collection circuit
Collected data are input to module data MCU, module data MCU control wireless communication module transceiving datas, and power module is used
In component voltage 36V is converted to module required voltage.
7. a kind of photovoltaic module on-line detecting system as described in claim 1, it is characterised in that：The current acquisition module packet
The current collection circuit with Hall sensor, electric current MCU, serial port module and wireless communication module are included, Hall sensor will acquire
To current signal electric current MCU is sent to by current collection circuit, electric current MCU control wireless communication module transceiving datas or
Pass through serial port module transceiving data.
8. a kind of photovoltaic module on-line detecting system as claimed in claim 7, it is characterised in that：The wireless communication module is adopted
With 2.4G or 433M communication modes, serial port module uses RS485 or RS232 modes.
9. a kind of photovoltaic module on-line detecting system as described in claim 1, it is characterised in that：Each current acquisition module
And illuminance acquisition module all has unique ID, is pasted onto in module housing by way of bar code or Quick Response Code.
10. a kind of photovoltaic module on-line detecting system as described in claim 1, it is characterised in that：The illuminance acquires mould
Block is combined with hand-held data reader or is separately separately provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721675871.9U CN207603574U (en) | 2017-12-06 | 2017-12-06 | A kind of photovoltaic module on-line detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721675871.9U CN207603574U (en) | 2017-12-06 | 2017-12-06 | A kind of photovoltaic module on-line detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN207603574U true CN207603574U (en) | 2018-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721675871.9U Expired - Fee Related CN207603574U (en) | 2017-12-06 | 2017-12-06 | A kind of photovoltaic module on-line detecting system |
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| CN (1) | CN207603574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269110A (en) * | 2020-10-19 | 2021-01-26 | 合肥阳光新能源科技有限公司 | Arc fault judgment method |
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2017
- 2017-12-06 CN CN201721675871.9U patent/CN207603574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269110A (en) * | 2020-10-19 | 2021-01-26 | 合肥阳光新能源科技有限公司 | Arc fault judgment method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20211206 |