CN201430550Y - Solar energy current converging equipment - Google Patents
Solar energy current converging equipment Download PDFInfo
- Publication number
- CN201430550Y CN201430550Y CN2009201100425U CN200920110042U CN201430550Y CN 201430550 Y CN201430550 Y CN 201430550Y CN 2009201100425 U CN2009201100425 U CN 2009201100425U CN 200920110042 U CN200920110042 U CN 200920110042U CN 201430550 Y CN201430550 Y CN 201430550Y
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- solar energy
- current
- electric current
- phase current
- solar
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to solar energy current converging equipment, which comprises a baseplate, a plurality of positive phase current incoming terminals and a plurality of negative phase currentincoming terminals arranged on the baseplate, a data collecting plate, a power supply circuit, a plurality of current sensors, a solar energy current output end, and a PLC coupler, wherein a system current input end, a system voltage input end and a PLC input module are at least arranged on the data collecting plate; the power supply circuit is used for supplying electric power to the electrical apparatus element of the data collecting plate; all the current sensors are nested on a solar energy positive phase current transmission cable or a solar energy negative phase current transmission cable, and respectively connected with the system current input end; the solar energy current output end is respectively connected with the solar energy positive phase current transmission cable and the solar energy negative phase current transmission cable; the PLC coupler is nested on the solar energy positive phase current transmission cable or the solar energy negative phase current transmission cable and connected with the PLC transmission module.
Description
Technical field
The utility model relates to a kind of solar energy collector-shoe gear, particularly be solar energy collector-shoe gear with voltage, current monitoring function.
Background technology
Collector-shoe gear in the market is generally based on the box that confluxes, and junction box's form that it mostly is passive structures can be applied to the multiple electrical domain of using,
See also Chinese patent ZL01244545.2 name and be called the box that confluxes that connects up, a kind of wiring box that confluxes is disclosed, terminal box by two insulation involutes, conductive plate is installed in the terminal box, the two ends of conductive plate are connected with external device, external device is provided with trip bolt, the middle part parallel arranged of terminal box have can pass copper bar on, in, following three copper bar holes, conductive plate is positioned at the below in one of them copper bar hole, and above this copper bar hole, pressing plate is installed, the two ends of pressing plate are equipped with bolt, and the other end of bolt fixedlys connected with conductive plate by nut, and screw bolt and nut can make the tight face of copper bar and conductive plate contact.
The description of obvious above-mentioned patent only is confined to wiring and uses, but he still belongs to passive structures, and in case the electric current that corresponding access device flows through, during voltage generation abnormal problem, it can not be monitored, and can not make corresponding reaction.
With the example that is applied as of solar power station, present solar energy system does not generally have the supervisory control system at the solar energy photovoltaic array.The general number of devices of solar energy system is many, have a very wide distribution, carry out malfunction elimination if depend merely on the mode of traditional manual inspection, efficient is very low, and the photovoltaic square formation is owing to be in abominable environment for use for a long time, and the probability that breaks down can significantly promote, therefore, to the monitoring of photovoltaic square formation string operation conditions, just seem very necessary.
In view of above-mentioned defective, the utility model creator is through research and practice have obtained this creation finally for a long time.
Summary of the invention
The purpose of this utility model is, provides a kind of solar energy electric current equipment that confluxes, in order to solve the defective of above-mentioned existence.
For achieving the above object, the technical solution adopted in the utility model is, a kind of solar energy electric current equipment that confluxes is provided, and it comprises: a substrate, and described substrate is provided with:
A plurality of positive phase current incoming end, each described positive phase current incoming end externally obtains a positive phase current, internally is connected with a solar energy positive current delivery cable;
A plurality of negative electric currents insert terminal, and each described negative electric current inserts terminal and externally obtains a negative electric current, internally is connected with a solar negative phase current transmission cable;
One data acquisition board is provided with system power input, system voltage input and a PLC transport module at least on it;
One power circuit, its electric elements for described data acquisition board provide supply of electric power;
A plurality of current sensors, each described current sensor are set on described solar energy positive current delivery cable or the solar negative phase current transmission cable, and are connected with described system power input respectively;
Described system voltage input is connected with a solar negative phase current transmission cable with a solar energy positive current delivery cable respectively;
One solar energy electric current output, it is connected with a solar negative phase current transmission cable with a solar energy positive current delivery cable respectively;
One PLC coupler, it is set in a solar energy positive current delivery cable or a solar negative phase current transmission cable, and is connected with described PLC transport module.
Preferable, also comprise: a voltage sensor, its input are connected with a described solar negative phase current transmission cable with a described solar energy positive current delivery cable respectively, and its output is connected with described system voltage input.
Preferable, also comprise: a lightning protection device, it is connected with a described negative electric current access terminal with described one positive phase current incoming end respectively, and described data acquisition board is provided with the lightning protection alarm interface, and described lightning protection device is connected with described lightning protection warning circuit interface.
Wherein, described lightning protection device comprises: three piezo-resistances, wherein, two described piezo-resistances are in series, and serial connection point ground connection, the 3rd described piezo-resistance and above-mentioned two piezo-resistances are in parallel, and are arranged between a described solar energy positive current delivery cable and the described solar negative phase current transmission cable.
Wherein, described solar energy electric current output is provided with an air switch.
Wherein, described negative electric current access terminal and described positive phase current incoming end quantum count equate.
Wherein, described data acquisition board also is provided with the RS232/RS485 interface.
The concrete mode of described power circuit can be four kinds, and wherein, described power circuit is a direct current reduction voltage circuit, and it is connected with negative electric current access terminal with described positive phase current incoming end, and high-voltage direct current is converted to low-voltage DC level.
Perhaps, described power circuit is connected with a solar panel, and described solar panel directly is its power supply.
Perhaps, described power circuit comprises a battery;
Perhaps, described power circuit is an ac-dc converter circuit, and its input is connected with described civil power.
The beneficial effects of the utility model are compared with the prior art, in time find current anomaly, electric voltage exception and thunderbolt, and send alarm signal, are transferred to Surveillance center; Alleviate O﹠M personnel's labour intensity, raise the efficiency; Optimize whole solar power plant monitoring management pattern.
Description of drawings
Fig. 1 is the functional structure sketch of the embodiment one of the utility model solar energy collector-shoe gear;
Fig. 2 is the functional structure sketch of the embodiment two of the utility model solar energy collector-shoe gear.
Embodiment
Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
See also shown in Figure 1ly, it is the functional block diagram of the embodiment one of the utility model solar energy collector-shoe gear; Described solar energy bus-bar comprises: a substrate (not shown), and described substrate is provided with:
6 positive phase current incoming end 11, each described positive phase current incoming end 11 externally obtains 800v, the 10A electric current of a positive, internally be connected with a solar energy positive current delivery cable, here all corresponding fuse of each described positive phase current incoming end is used for preventing that big electric current from causing damage to equipment;
6 negative electric currents insert terminal 12, and each described negative electric current inserts terminal 12 and externally obtains a negative electric current, internally is connected with a solar negative phase current transmission cable;
Certain described negative electric current inserts terminal 12 also can a corresponding fuse.
One data acquisition board 3 is provided with system power input 32, system voltage input 31 and a PLC transport module 33 at least on it;
One power circuit 4, its electric elements for described data acquisition board 3 provide supply of electric power;
6 current sensors 2, each described current sensor 2 are set in from described 6 described solar energy positive current delivery cables that positive phase current incoming end 11 inserts; Can certainly be set in described 6 negative electric currents and insert terminal 12, on the described solar negative phase current transmission cable of access, and be connected with described system power input 32 respectively;
Because it still be for 6 road negative voltages for 6 tunnel positive phase voltages, it all is consistent under pressure value normal condition over the ground, and is all consistent with inside cable, so inner positive and negative phase cable just can be used as access voltage; One voltage sensor 7, its input is connected with a described solar negative phase current transmission cable with a described solar energy positive current delivery cable respectively, its output is connected with described system voltage input 31, in order to provide the voltage signal that collects to described data acquisition board 3.
One solar energy electric current output 5, it is connected with a solar negative phase current transmission cable with a solar energy positive current delivery cable respectively;
One PLC coupler 6 adopts the magnet ring mode to be coupled, and does not directly electrically contact safety and reliability, also convenient the installation between described PLC transport module 33 and the current delivery cable.Its transmission range can reach 1-2km, and is enough to most of power station.Described PLC coupler 6 is set in a solar energy positive current delivery cable or a solar negative phase current transmission cable, and is connected with described PLC transport module 33, and present embodiment is that it is located on the described solar negative phase current transmission cable.
Can measure the current conditions of every road by described current transformer 2 like this from solar panel, and be converted into voltage signal, be transferred to described data acquisition board system power input 32, after by the processor on the described data acquisition board 3 it being handled, compare with the data that preset, when being judged as when unusual, then send alarm signal, or after will modulating by described PLC transport module 33, be coupled on the current delivery cable through PLC coupler 6, finally be uploaded to Surveillance center.
After certain described system voltage input 31 obtains voltage signal, equally will be through handling, still to handle it by the processor on the described data acquisition board 3, compare with the data that preset, when being judged as when unusual, send alarm signal, or after will modulating by described PLC transport module 33, be coupled on the current delivery cable through PLC coupler 6, finally be uploaded to Surveillance center.
Thereby solved solar power station, cell panel is different in size apart from the distance of master-control room, and from reaching 1km, voltage, the current data of how the solar energy collector-shoe gear being tested upload to this difficult problem of Surveillance center in the relatively large stop spacing of generating electricity by way of merging two or more grid systems.
See also shown in Figure 2ly, it is the functional block diagram of the embodiment two of the utility model solar energy collector-shoe gear; Compare with above-mentioned Fig. 1 embodiment one, the characteristics of present embodiment are, increased by a lightning protection device 8, it inserts terminal 12 with described one positive phase current incoming end 11 with a described negative electric current respectively and is connected, described data acquisition board 3 is provided with lightning protection alarm interface 36, described lightning protection device 3 is connected with described lightning protection alarm interface 36, after producing lightning impulse, this message transmission is given the lightning protection alarm interface 36 of described data acquisition board 3 settings, and then send the thunderbolt alarm signal, after can certainly modulating by described PLC transport module 33, be coupled on the current delivery cable, finally be uploaded to Surveillance center through PLC coupler 6.Described solar energy electric current output is provided with an air switch 5.
Adopt above-mentioned PLC mode to transmit, the equipment Information Monitoring of confluxing is uploaded to a concentrator at a plurality of solar energy that exist with solar power station, and described concentrator is uploaded to Surveillance center with the acquisition of information unification again.Adopt the PLC mode to transmit from the solar energy equipment that confluxes to concentrator; The PLC signal is subjected to serious interference and can't transmits under some abominable situation, but also rewiring, use RS485, RS232 universal serial bus or optical fiber mode to transmit, therefore described data acquisition board 3 also is provided with RS232/RS485 interface 35 and standby optical fiber interface 34.
Described power circuit 4 is the technical characterictic of a characteristic of the present utility model, for existing in multiple scheme in fact, one of them is a direct current reduction voltage circuit for described power circuit 4, it is connected with negative electric current access terminal 12 with described positive phase current incoming end 11, and high-voltage direct current is converted to low-voltage DC level; Two being connected with a solar panel for described power circuit wherein, described solar panel directly is its power supply.
Wherein three, described power circuit comprises a battery, it can be disposable battery or rechargeable battery;
At last, described power circuit is an ac-dc converter circuit, and its input is connected with described civil power, is translated into DC circuit and carries out the step-down processing by described ac-dc converter circuit.
Wherein, so equivalence of described lightning protection device 8; It comprises: three piezo-resistances, wherein, two described piezo-resistances are in series, and serial connection point ground connection, the 3rd described piezo-resistance and above-mentioned two piezo-resistances are in parallel, and are arranged between a described solar energy positive current delivery cable and the described solar negative phase current transmission cable.
More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection range of the present utility model.
Claims (10)
1, a kind of solar energy electric current equipment that confluxes, it comprises: a substrate is characterized in that described substrate is provided with:
A plurality of positive phase current incoming end, each described positive phase current incoming end externally obtains a positive phase current, internally is connected with a solar energy positive current delivery cable;
A plurality of negative electric currents insert terminal, and each described negative electric current inserts terminal and externally obtains a negative electric current, internally is connected with a solar negative phase current transmission cable;
One data acquisition board is provided with system power input, system voltage input and a PLC transport module at least on it;
One power circuit, its electric elements for described data acquisition board provide supply of electric power;
A plurality of current sensors, each described current sensor are set on described solar energy positive current delivery cable or the solar negative phase current transmission cable, and are connected with described system power input respectively;
Described system voltage input is connected with a solar negative phase current transmission cable with a solar energy positive current delivery cable respectively;
One solar energy electric current output, it is connected with a solar negative phase current transmission cable with a solar energy positive current delivery cable respectively;
One PLC coupler, it is set in a solar energy positive current delivery cable or a solar negative phase current transmission cable, and is connected with described PLC transport module;
One voltage sensor, its input are connected with a described solar negative phase current transmission cable with a described solar energy positive current delivery cable respectively, and its output is connected with described system voltage input.
2, the solar energy electric current according to claim 1 equipment that confluxes, it is characterized in that, also comprise: a lightning protection device, it inserts terminal with described one positive phase current incoming end with a described negative electric current respectively and is connected, described data acquisition board is provided with the lightning protection alarm interface, and described lightning protection device is connected with described lightning protection warning circuit interface.
3, the solar energy electric current according to claim 2 equipment that confluxes, it is characterized in that, described lightning protection device comprises: three piezo-resistances, wherein, two described piezo-resistances are in series, and serial connection point ground connection, the 3rd described piezo-resistance and above-mentioned two piezo-resistances are in parallel, and are arranged between a described solar energy positive current delivery cable and the described solar negative phase current transmission cable.
4, the solar energy electric current according to claim 3 equipment that confluxes is characterized in that described solar energy electric current output is provided with an air switch.
5, the solar energy electric current according to claim 4 equipment that confluxes is characterized in that, described negative electric current inserts terminal and described positive phase current incoming end quantum count equates.
6, the solar energy electric current according to claim 4 equipment that confluxes is characterized in that described data acquisition board also is provided with the RS232/RS485 interface.
7, the solar energy electric current according to claim 4 equipment that confluxes, it is characterized in that, described power circuit is a direct current reduction voltage circuit, and it is connected with negative electric current access terminal with described positive phase current incoming end, and high-voltage direct current is converted to low-voltage DC level.
8, the solar energy electric current according to claim 4 equipment that confluxes is characterized in that described power circuit is connected with a solar panel, and described solar panel directly is its power supply.
9, the solar energy electric current according to claim 4 equipment that confluxes is characterized in that described power circuit comprises a battery, and described battery is disposable battery or rechargeable battery.
10, the solar energy electric current according to claim 4 equipment that confluxes is characterized in that described power circuit is an ac-dc converter circuit, and its input is connected with an alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201100425U CN201430550Y (en) | 2009-07-10 | 2009-07-10 | Solar energy current converging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201100425U CN201430550Y (en) | 2009-07-10 | 2009-07-10 | Solar energy current converging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430550Y true CN201430550Y (en) | 2010-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201100425U Expired - Fee Related CN201430550Y (en) | 2009-07-10 | 2009-07-10 | Solar energy current converging equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN201430550Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306445A (en) * | 2011-09-15 | 2012-01-04 | 北京泰富新能源科技有限公司 | Intelligent wireless transmission converging box |
| CN102820808A (en) * | 2011-06-10 | 2012-12-12 | 特变电工新疆新能源股份有限公司 | Photovoltaic array combiner box |
| CN103001536A (en) * | 2011-09-08 | 2013-03-27 | 黄利刚 | Solar collector box |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
-
2009
- 2009-07-10 CN CN2009201100425U patent/CN201430550Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820808A (en) * | 2011-06-10 | 2012-12-12 | 特变电工新疆新能源股份有限公司 | Photovoltaic array combiner box |
| CN102820808B (en) * | 2011-06-10 | 2015-07-01 | 特变电工新疆新能源股份有限公司 | Photovoltaic array combiner box |
| CN103001536A (en) * | 2011-09-08 | 2013-03-27 | 黄利刚 | Solar collector box |
| CN102306445A (en) * | 2011-09-15 | 2012-01-04 | 北京泰富新能源科技有限公司 | Intelligent wireless transmission converging box |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ECOM ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING YIKE COMMUNICATION TECHNOLOGY LLC |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100037 Beijing city Xicheng District Baiwanzhuang Street No. 22, building 7 Patentee after: BEIJING ECOM ENERGY TECHNOLOGY CO., LTD. Address before: 100037 Beijing city Xicheng District Baiwanzhuang Street No. 22, building 7 Patentee before: Beijing Ecom Communications Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20140710 |
|
| EXPY | Termination of patent right or utility model |