CN102446984A - Automatic snow removal device for solar module and control method thereof - Google Patents
Automatic snow removal device for solar module and control method thereof Download PDFInfo
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- CN102446984A CN102446984A CN2011104053146A CN201110405314A CN102446984A CN 102446984 A CN102446984 A CN 102446984A CN 2011104053146 A CN2011104053146 A CN 2011104053146A CN 201110405314 A CN201110405314 A CN 201110405314A CN 102446984 A CN102446984 A CN 102446984A
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention relates to an automatic snow removal device for a solar module and a control method thereof. The device comprises an electric heating film; and the electric heating film is attached onto a back plate of the solar module. The electric heating film is connected with the module; an electronic switch is connected between the electric heating film and the module in series; a storage battery pack with a control switch is connected between a module string formed by the module and an inverter in parallel; the control switch and the electronic switch are in control connection with a control transmitter respectively; and the control transmitter is connected with an Ethernet. During the snowing or freezing time period, the control transmitter transmits a wireless signal to each wireless electronic switch, a circuit between the module and the electric heating film is switched on, and the electric heating film starts heating; and when the solar radiation is lower or at night, the control transmitter transmits a control signal to the storage battery pack, and the storage battery pack supplies the power for the electric heating film by utilizing the circuit of the module self. The invention has the beneficial effects that accumulated snow and frozen matters on the surface of the module can be effectively removed; the adaptability of the module in severely-cold areas and in icy and snowy areas can be improved; and the power generation efficiency can be improved.
Description
Technical field
The present invention relates to a kind of solar components automatic snow-removing device and control method thereof.
Background technology
Along with the attention that the mankind use new energy development, strengthened the input of fund, the photovoltaic cause has also obtained flourish, and the photovoltaic application is also more and more wider.Yet,, descend to make the assembly power generation performance to descend at accumulated ice snow coverage condition, and make mounting system bear serious ice and snow load owing to often receive ice and snow harm in some severe cold and remote districts.
Yet do not have good sweep-out method for accumulated ice snow in the industry; Normally utilizing self inclination angle and solar radiation to make it to melt for slight accumulated snow eliminates; Had a strong impact on the photovoltaic system power generation performance; For the normally artificial cleaning of serious accumulated snow, waste time and energy, for being difficult to especially remove as BIPV or high mountain remote districts accumulated snow.
Summary of the invention
Technical problem to be solved by this invention is: a kind of solar components automatic snow-removing device and control method thereof are provided, make assembly can be applied to severe cold, many ice and snow area.
The present invention solves the scheme that its technical problem adopts: a kind of solar components automatic snow-removing device; Comprise Electric radiant Heating Film; Electric radiant Heating Film is attached on the backboard of solar components, and the positive pole of Electric radiant Heating Film links to each other with assembly is anodal, and negative pole links to each other with the assembly negative pole; The electronic switch of between Electric radiant Heating Film and assembly, connecting; The batteries of parallelly connected band control switch between component string that assembly constitutes and inverter, control switch and electronic switch respectively with control reflector control connection, control reflector connection Ethernet.
Electronic switch is the wireless electron switch, control reflector and the wireless connections of wireless electron switch.
Further limit; The control reflector comprises PC and the wireless data transfer module that is connected with PC; The wireless electron switch comprises single-chip microcomputer and the wireless data transfer module that is connected with single-chip microcomputer; The PC of control reflector and the single-chip microcomputer of wireless electron switch carry out radio communication control through wireless data transfer module separately, and PC is connected through connection with control switch.A kind of control method of solar components automatic snow-removing device; Snowing or the freezing period, the control reflector sends wireless signal and gives each wireless electron switch, connects the circuit between assembly and the Electric radiant Heating Film; Electric radiant Heating Film begins heating; The low or time at night when solar radiation, the control reflector sends control signal accumulators group, and batteries utilizes the circuit of assembly itself to supply power to Electric radiant Heating Film.
The control reflector receives meteorological data through Ethernet, according to snowing or the work of control of freezing period Electric radiant Heating Film of meteorological data prediction.
Concrete steps are following:
A, at first control reflector (8) and constantly obtain meteorological data, and judge whether to be in according to meteorological data and snow or the freezing period;
B, snow or the freezing period when being in, the working signal that control reflector (8) sends acquisition component voltage, electric current for wireless electron switch (4), otherwise finish;
C, wireless electron switch (4) image data also are transferred to control reflector (8);
D, control reflector (8) judge whether the power of solar components (2) enough supplies with Electric radiant Heating Film (1) work;
If the power of E solar components (2) is enough supplied with Electric radiant Heating Film (1) work; Control reflector (8) sends wireless control signal and gives each wireless electron switch (4); Connect the circuit between solar components (2) and the Electric radiant Heating Film (1); Through solar components (2) energize, Electric radiant Heating Film (1) work heating;
If the power of solar components (2) is supplied with Electric radiant Heating Film (1) work inadequately; Control reflector (8) control control switch (6) closure; Control reflector (8) sends closed each the wireless electron switch (4) of wireless control signal, through batteries (7) energize, and Electric radiant Heating Film (1) work heating;
F, return step B, and carry out each step successively thus.
The invention has the beneficial effects as follows: the effective accumulated snow on clean-out assembly surface and freezing, improve the adaptive capacity of assembly in severe cold, many ice and snow area, improve generating efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified;
Fig. 1 is the structural representation that the assembly of the present invention back side attaches Electric radiant Heating Film;
Fig. 2 is the electrical connection diagram of snow-removing device of the present invention;
Fig. 3 is the circuit diagram of control reflector of the present invention;
Fig. 4 is the circuit diagram of wireless electron switch of the present invention;
Fig. 5 is a control method theory diagram of the present invention;
Among the figure, 1. Electric radiant Heating Film, 2. solar components, 3. backboard, 4. wireless electron switch, 5. inverter, 6. control switch, 7. batteries, 8. control reflector.
Embodiment
As illustrated in fig. 1 and 2; A kind of solar components automatic snow-removing device; Comprise Electric radiant Heating Film 1, wireless electron switch 4, control reflector 8, batteries 7, Electric radiant Heating Film 1 adopts polymer electric heating membrane, and its geomery is decided according to backboard 3 sizes of assembly; But need through double faced adhesive tape Electric radiant Heating Film 1 evenly to be pasted on the backboard 3 in the perforate of terminal box place.Wireless electron switch 4 comprises wireless communication module, built-in aerial and electronic switch.Because the operating voltage range of Electric radiant Heating Film 1 is very wide, like 3V～200V, so can adapt to all types of assemblies basically.The power selection scope of unit Electric radiant Heating Film 1 is also very wide, like 50W～200W/m
2, can select according to the local climate situation, for general year snowing number of times below 3 times, accumulated snow thickness is no more than the 3cm area, selects 50W/m
2Electric radiant Heating Film is enough.
The positive pole of Electric radiant Heating Film 1 and 2 anodal linking to each other of solar components; Negative pole links to each other with solar components 2 negative poles, the electronic switch of between Electric radiant Heating Film 1 and solar components 2, connecting, the parallelly connected batteries 7 of being with control switch 6 between component string that solar components 2 constitutes and inverter 5; Control reflector 8 and 4 wireless connections of wireless electron switch; Control switch 6 is connected through the RS485 connection with control reflector 8, and control reflector 8 connects Ethernet, receives meteorological data such as weather forecast through Ethernet.When having freezing through weather bureau's forecast or snowing weather, according to the predicted time section of weather forecast, control reflector 8 sends signal in advance and gives the wireless electron switch 4 on every block assembly, connects circuit, and the electric energy that Electric radiant Heating Film 1 utilizes assembly to send begins heating.
Lower or the time at night when solar radiation, the batteries 7 at component string place when sun assembly does not have electric energy, the cable that utilizes assembly itself is delivered to Electric radiant Heating Film 1 with electric energy and is made it heating and produce heat.
Shown in Fig. 3 and 4, control reflector 8 adopts PC to add wireless data transfer module and realizes that its major function is: obtain network weather signal, deal with data, send wireless control signal, send the Communication Control signal.Typical implementation method is as using PC and based on the wireless data transfer module PTR2000 of nRF401 device.PTR2000 is based on the wireless data transfer module of nRF401 device, adopts low tranmitting frequency, high sensitivity design.This device uses the 433MHz frequency range, is real monolithic UHF wireless receiving and dispatching one device, and its mode of operation comprises setting and transmission, reception, the holding state of working channel, is determined jointly by TXEN, CS, 3 pins of PWM.PC is connected as shown in Figure 3 with the circuit of PTR2000; The connecting circuit that mainly is connected to PC adopts the MAX202 device that PTR2000 module and serial ports of computers are carried out RS-232 and Transistor-Transistor Logic level conversion; PTR2000 is connected with the input and output signal of MAX202, and the signal after the conversion is connected with computer by serial.
Can adopt single chip computer AT 89C52 to add wireless data transfer module PTR2000 at the wireless electron switch 4 of assembly end and realize that its main circuit connection layout is as shown in Figure 4, for the RXD of AT89C52 directly links to each other with the DI pin with the DO of PTR2000 module with the TXD pin.The pattern control pin of PTR2000 links to each other with the control pin of single-chip microcomputer.
The AT89C52 single-chip microcomputer is mainly accomplished the collection and the processing of data, sends data to the PTR2000 module, and receives the data that transmitted through PTR2000 by PC.The PTR2000 module that links to each other with single-chip microcomputer mainly is modulated into radiofrequency signal with the data to be transferred of single-chip microcomputer; Re-send to the PTR2000 module of PC end; Receive the radiofrequency signal that the PTR2000 module of PC end transmits simultaneously, and be modulated into the discernible TTL signal of single-chip microcomputer and deliver to single-chip microcomputer.
As shown in Figure 5, concrete steps are following:
A, at first control reflector 8 and constantly obtain meteorological data, and judge whether to be in according to meteorological data and snow or the freezing period;
B, snow or the freezing period when being in, the working signal that control reflector 8 sends acquisition component voltage, electric current for wireless electron switch 4, otherwise finish;
C, wireless electron switch 4 image data also are transferred to control reflector 8;
D, control reflector 8 judge whether the power of solar components 2 enough supplies with Electric radiant Heating Film 1 work;
If the power of E solar components 2 is enough supplied with Electric radiant Heating Film 1 work; Control reflector 8 sends wireless control signal and gives each wireless electron switch 4; Connect the circuit between solar components 2 and the Electric radiant Heating Film 1, through solar components 2 energizes, Electric radiant Heating Film 1 work heating;
If the power of solar components 2 is supplied with Electric radiant Heating Film 1 work inadequately, control reflector 8 control control switchs 6 closures, control reflector 8 sends closed each the wireless electron switch 4 of wireless control signal, through batteries 7 energizes, Electric radiant Heating Film 1 work heating;
F, return step B, and carry out each step successively thus.
For example, at the weather that snows, accumulated snow speed is approximately 1mm/min, and the density of snow is approximately 0.05g/cm
3, 1g snow is heated to be 0 ℃ the about 79.67 card energy that need of water, daytime, solar radiation quantity was approximately 200W/m
2, size of components is 1650mm*992mm, the assembly peak power is 230W, sticks 50W/m at the assembly back side
2Electric radiant Heating Film, the storage battery that is used for evening heating for (6 12V, 60Ah), then:
Daytime: utilize assembly that the energy heating is provided, assembly provides energy pact=46Wmin
The snow melting energy requirement is about=1956 card min==45Wmin
Basically can utilize the assembly energy to heat snow removing.
Evening: owing to use storage battery, Electric radiant Heating Film is operated in the maximum power place, and then this moment, heat energy was 50W*1.65*0.992=81.84Wmin
Can utilize storage battery heating snow removing fully.
Claims (6)
1. solar components automatic snow-removing device; It is characterized in that: comprise Electric radiant Heating Film (1); Described Electric radiant Heating Film (1) is attached on the backboard (3) of solar components (2), and the positive pole of described Electric radiant Heating Film (1) links to each other with solar components (2) is anodal, and negative pole links to each other with solar components (2) negative pole; The electronic switch of between Electric radiant Heating Film (1) and solar components (2), connecting; The batteries (7) of parallelly connected band control switch (6) between component string that solar components (2) constitutes and inverter (5), control switch (6) and electronic switch respectively with control reflector (8) control connection, control reflector (8) connection Ethernet.
2. solar components automatic snow-removing device according to claim 1 is characterized in that: described electronic switch is wireless electron switch (4), control reflector (8) and wireless electron switch (4) wireless connections.
3. solar components automatic snow-removing device according to claim 2; It is characterized in that: described control reflector (8) comprises PC and the wireless data transfer module that is connected with PC; Described wireless electron switch (4) comprises single-chip microcomputer and the wireless data transfer module that is connected with single-chip microcomputer; The PC of control reflector (8) and the single-chip microcomputer of wireless electron switch (4) carry out radio communication control through wireless data transfer module separately, and PC is connected through connection with control switch (6).
4. the control method of claim 1 or 2 or 3 described solar components automatic snow-removing devices; It is characterized in that: snowing or the freezing period; Control reflector (8) sends wireless signal and gives each wireless electron switch (4); Connect the circuit between solar components (2) and the Electric radiant Heating Film (1), Electric radiant Heating Film (1) begins heating, the low or time at night when solar radiation; Control reflector (8) sends control signal accumulators group (7), and batteries (7) utilizes the circuit of solar components (2) itself to supply power to Electric radiant Heating Film (1).
5. the control method of solar components automatic snow-removing device according to claim 4 is characterized in that: described control reflector (8) receives meteorological data through Ethernet, according to snowing or the work of control of freezing period Electric radiant Heating Film of meteorological data prediction.
6. the control method of solar components automatic snow-removing device according to claim 5 is characterized in that: concrete steps are following:
A, at first control reflector (8) and constantly obtain meteorological data, and judge whether to be in according to meteorological data and snow or the freezing period;
B, snow or the freezing period when being in, the working signal that control reflector (8) sends acquisition component voltage, electric current for wireless electron switch (4), otherwise finish;
C, wireless electron switch (4) image data also are transferred to control reflector (8);
D, control reflector (8) judge whether the power of solar components (2) enough supplies with Electric radiant Heating Film (1) work;
If the power of E solar components (2) is enough supplied with Electric radiant Heating Film (1) work; Control reflector (8) sends wireless control signal and gives each wireless electron switch (4); Connect the circuit between solar components (2) and the Electric radiant Heating Film (1); Through solar components (2) energize, Electric radiant Heating Film (1) work heating;
If the power of solar components (2) is supplied with Electric radiant Heating Film (1) work inadequately; Control reflector (8) control control switch (6) closure; Control reflector (8) sends closed each the wireless electron switch (4) of wireless control signal, through batteries (7) energize, and Electric radiant Heating Film (1) work heating;
F, return step B, and carry out each step successively thus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104053146A CN102446984B (en) | 2011-12-08 | 2011-12-08 | Automatic snow removal device for solar module and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104053146A CN102446984B (en) | 2011-12-08 | 2011-12-08 | Automatic snow removal device for solar module and control method thereof |
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| CN102446984A true CN102446984A (en) | 2012-05-09 |
| CN102446984B CN102446984B (en) | 2013-12-18 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227216A (en) * | 2013-04-25 | 2013-07-31 | 苏州盖娅智能科技有限公司 | Intelligent snow removing device and control method thereof |
| CN103595341A (en) * | 2013-11-14 | 2014-02-19 | 诸暨市益舟太阳能科技有限公司 | Method and device for removing snow on solar crystalline silicon photovoltaic module |
| CN104014521A (en) * | 2014-05-07 | 2014-09-03 | 苏州昊枫环保科技有限公司 | NET wireless intelligent control dust removal system with vibration dust removal function |
| CN105444223A (en) * | 2016-01-16 | 2016-03-30 | 刘志运 | Solar electric heating stove |
| WO2019007205A1 (en) * | 2017-07-06 | 2019-01-10 | 北京铂阳顶荣光伏科技有限公司 | Heating control device for roadway power generation assembly |
| CN109374059A (en) * | 2018-11-29 | 2019-02-22 | 国网江苏省电力有限公司无锡供电分公司 | A kind of solar panel snow removing alarm set and its method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227216A (en) * | 2013-04-25 | 2013-07-31 | 苏州盖娅智能科技有限公司 | Intelligent snow removing device and control method thereof |
| CN103595341A (en) * | 2013-11-14 | 2014-02-19 | 诸暨市益舟太阳能科技有限公司 | Method and device for removing snow on solar crystalline silicon photovoltaic module |
| CN103595341B (en) * | 2013-11-14 | 2016-02-17 | 诸暨市益舟太阳能科技有限公司 | Solar energy Crystalline Silicon PV Module automatic snow-removing method and snow-removing device |
| CN104014521A (en) * | 2014-05-07 | 2014-09-03 | 苏州昊枫环保科技有限公司 | NET wireless intelligent control dust removal system with vibration dust removal function |
| CN105444223A (en) * | 2016-01-16 | 2016-03-30 | 刘志运 | Solar electric heating stove |
| WO2019007205A1 (en) * | 2017-07-06 | 2019-01-10 | 北京铂阳顶荣光伏科技有限公司 | Heating control device for roadway power generation assembly |
| CN109374059A (en) * | 2018-11-29 | 2019-02-22 | 国网江苏省电力有限公司无锡供电分公司 | A kind of solar panel snow removing alarm set and its method |
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| CN102446984B (en) | 2013-12-18 |
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Owner name: CHANGZHOU TIANHE YABANG SOLAR ENERGY CO., LTD. Effective date: 20150402 |
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Effective date of registration: 20150402 Address after: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Patentee after: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. Patentee after: CHANGZHOU TRINA YABANG SOLAR CO.,LTD. Address before: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |
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Address after: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Co-patentee after: CHANGZHOU TRINA YABANG SOLAR CO.,LTD. Patentee after: TRINA SOLAR Co.,Ltd. Address before: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Co-patentee before: CHANGZHOU TRINA YABANG SOLAR CO.,LTD. Patentee before: trina solar Ltd. Address after: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Co-patentee after: CHANGZHOU TRINA YABANG SOLAR CO.,LTD. Patentee after: trina solar Ltd. Address before: 213031, No. 2, Tianhe Road, Xinbei Industrial Park, Jiangsu, Changzhou Co-patentee before: CHANGZHOU TRINA YABANG SOLAR CO.,LTD. Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. |
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