CN205811953U - A kind of photovoltaic combiner box of band counnter attack diode - Google Patents
A kind of photovoltaic combiner box of band counnter attack diode Download PDFInfo
- Publication number
- CN205811953U CN205811953U CN201620730960.8U CN201620730960U CN205811953U CN 205811953 U CN205811953 U CN 205811953U CN 201620730960 U CN201620730960 U CN 201620730960U CN 205811953 U CN205811953 U CN 205811953U
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- Prior art keywords
- counnter attack
- fuse group
- attack diode
- negative pole
- chopper
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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
This utility model relates to the photovoltaic combiner box of a kind of band counnter attack diode.The counnter attack diode (led) module including a cabinet, being arranged in cabinet and mounting base, mounting base is provided with chopper, detection control module, positive pole fuse group, negative pole fuse group；Chopper is positioned at the centre of mounting base, counnter attack diode (led) module is positioned at the side of chopper, detection control module is positioned at the opposite side of chopper, and positive pole fuse group is positioned at the downside of described counnter attack diode (led) module, and negative pole fuse group is positioned at the downside of detection control module；Positive pole fuse group is connected with the first end of incoming cables of chopper through counnter attack diode (led) module, positive pole confluence copper bar, and negative pole fuse group is connected with the second end of incoming cables of chopper through circuit sampling module, negative pole confluence copper bar.This utility model header box increases the comprehensive defencive function that has after counnter attack diode, improves the safety and reliability of header box.
Description
Technical field
This utility model belongs to technical field of photovoltaic power generation, is specifically related to the photovoltaic combiner box of a kind of band counnter attack diode.
Background technology
, off-network electricity generation system grid-connected for large-sized photovoltaic, in order to reduce the connecting line between photovoltaic module and inverter, side
Just safeguard, improve reliability, it is generally required to increase direct current collector-shoe gear between photovoltaic module and inverter.User can basis
The input direct voltage scope of inverter, is connected into 1 photovoltaic module tandem photovoltaic module identical for a number of specification,
Again several tandems being accessed header box, header box delivers to inverter after confluxing, and for exchange and is risen by DC inversion through inverter
Electrical network is delivered to after pressure.
Header boxs most in the market is no longer that a simple road of being converged into by multi-path light photovoltaic array exports, usual photovoltaic
Being mounted on a fuse in each road of array positive pole and negative pole, photovoltaic array multichannel positive pole or multichannel negative pole are all by fusing
Export through chopper after parallel connection is a road again after device, typically have lightning protection device, sample also including of having, show, monitor, assist electricity
The circuit such as source, once photovoltaic input both positive and negative polarity reversal connection can destroy header box performance affects rear class output simultaneously.Header box has many
Road inputs, and in layout, the unreasonable circuit that easily causes is chaotic, causes the waste of cable and copper bar, increases cost, is unfavorable for simultaneously
Later maintenance and maintenance.
Summary of the invention
The purpose of this utility model is to provide the photovoltaic combiner box of a kind of band counnter attack diode, and this header box increases counnter attack
After diode there is comprehensive defencive function, improve the safety and reliability of header box, and in topology layout distribution close
Reason, associated components arranged adjacent, reduce cable, copper bar consumption as far as possible, cost-effective.
For achieving the above object, the technical solution of the utility model is: the photovoltaic combiner box of a kind of band counnter attack diode, bag
The counnter attack diode (led) module include a cabinet, being arranged in cabinet and mounting base, described mounting base is provided with chopper, inspection
Survey control module, positive pole fuse group, negative pole fuse group；Described chopper is positioned at the middle part of mounting base, described counnter attack two
Pole tube module is positioned at the side of described chopper, and described detection control module is positioned at the opposite side of described chopper, described positive pole
Fuse group is positioned at the downside of described counnter attack diode (led) module, and described negative pole fuse group is positioned under described detection control module
Side；Described positive pole fuse group is successively through the first end of incoming cables of counnter attack diode (led) module, positive pole confluence copper bar and described chopper
Connect, described negative pole fuse group control module the most after testing, negative pole confluence copper bar and the second end of incoming cables of described chopper
Connect.
Further, described detection control module is used for sample photovoltaic input current and the output voltage that confluxes.
Further, on described mounting base with negative pole fuse group or positive pole fuse group is adjacent is provided with binding post
Row, described connecting terminal block is connected with the PORT COM of described detection control module.
Further, described cabinet offers line near positive pole fuse group, a sidewall of negative pole fuse group
Through hole, described line through hole is provided with outer urgent formula cable and fixes terminal.
Further, described mounting base is also equipped with lightning protection device, two inputs of described lightning protection device respectively with
Described positive pole confluence copper bar, described negative pole confluence copper bar connect.
In this utility model one embodiment, described lightning protection device is arranged at the upside of described detection control module.
In another embodiment of this utility model, described lightning protection device is arranged at the upside of described chopper.
Further, described mounting base is additionally provided with cable-through hole.
Further, described positive pole fuse group includes at least one sub-positive pole fuse group, described negative pole fuse group bag
Include at least one sub-negative pole fuse group.
Compared to prior art, this utility model has the advantages that
1, in header box, increase the more comprehensive defencive function that has after counnter attack diode, improve the safety of header box
And reliability；
2, obvious for cabinet internal heat generation counnter attack diode (led) module is directly mounted on chassis backplane, can directly pass through cabinet
Outwardly heat conduction and heat radiation, it is not necessary to arrange unnecessary heat abstractor and air channel, reduces the use of device, time without offering louvre；
3, increase sampling functions, sampling conflux before each photovoltaic input branch current and the electric current after confluxing, voltage, refer to
Show the relevant parameter of header box；
4, it is reasonably distributed in topology layout, associated components arranged adjacent, reduces cable, copper bar consumption as far as possible, save
Cost；
5, on mounting base, cable-through hole is set, can connect up below mounting base, well overcome wiring confusion to make cloth
Line is attractive in appearance neatly；
6, cabinet entirety uses totally enclosed type design, and line uses outer compels formula cable fixing head, has good waterproof
Anti-dust performance.
Accompanying drawing explanation
Fig. 1 is the photovoltaic combiner box schematic diagram of 8 road band counnter attack diodes of this utility model one embodiment.
Fig. 2 is the photovoltaic combiner box schematic diagram of 16 road band counnter attack diodes of this utility model one embodiment.
In figure: 110,210 is cabinet, 111,211 is door-plate, and 112,212 is mounting base, and 113,213 is cable-through hole,
120,220 is detection control module, and 131,231 is positive pole confluence copper bar, and 132,232 is negative pole confluence copper bar, and 140,240 is disconnected
Road device, 150,250 is counnter attack diode (led) module, and 161,261 is positive pole fuse group, and 162,262 is negative pole fuse group, 170,
270 is lightning protection device, and 180,280 is connecting terminal block, and 190,290 is outer urgent formula cable fixing terminal.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the technical solution of the utility model is specifically described.
The photovoltaic combiner box of a kind of band counnter attack diode of the present utility model, including one with door-plate cabinet, be arranged on
Counnter attack diode (led) module on same bottom surface and mounting base in cabinet, described mounting base is provided with chopper, detection control
Molding block, positive pole fuse group, negative pole fuse group；Described chopper is positioned at the middle part of mounting base, described counnter attack diode
Module is positioned at the side of described chopper, and described detection control module is positioned at the opposite side of described chopper, and described positive pole fuses
Device group is positioned at the downside of described counnter attack diode (led) module, and described negative pole fuse group is positioned at the downside of described detection control module；
Described positive pole fuse group is connected with the first end of incoming cables of described chopper through counnter attack diode (led) module, positive pole confluence copper bar, institute
State the second inlet wire of the current sample module of negative pole fuse group control module after testing, negative pole confluence copper bar and described chopper
End connects.With negative pole fuse group or positive pole fuse group is adjacent is provided with connecting terminal block on described mounting base, described in connect
Line terminals row be connected with the PORT COM of described detection control module.Lightning protection device it is also equipped with on described mounting base, described
Two inputs of lightning protection device are connected with described positive pole confluence copper bar, described negative pole confluence copper bar respectively.
Technical solutions of the utility model are told about below by way of specific embodiment.
Embodiment one:
As in figure 2 it is shown, the photovoltaic combiner box of 16 road band counnter attack diodes, including cabinet 210, door-plate 211, mounting base
212 and counnter attack diode (led) module 250, wherein, described counnter attack diode (led) module 250 is made up of multiple diodes.Mounting base
212, counnter attack diode (led) module 250 is installed on the same bottom surface of cabinet, on mounting base 212 and be positioned in cabinet 210
Between chopper 240 is installed, counnter attack diode (led) module 250 is installed in cabinet 210 right side and adjacent with chopper 240, installs the end
On plate 212 and be positioned on the left of chopper 240 be provided with detection control module 220, described detection control module 220 can be sampled often
One photovoltaic input current and the output voltage that confluxes, in the present embodiment, described detection control module 220 also have display, control,
The function of communication.On mounting base 212 and be positioned at counnter attack diode (led) module 250, detection control module 220 on the downside of be separately installed with
Positive pole fuse group 261, negative pole fuse group 262, in the present embodiment, positive pole fuse group 261 is by 2 sub-positive pole fuse groups
Composition, negative pole fuse group 262 is made up of 2 sub-negative pole fuse groups, described sub-positive pole fuse group, sub-negative pole fuse group
All it is made up of multiple fuses.Multiple cable-through hole 213 it is additionally provided with, it is simple at the back side of mounting base 212 on mounting base 212
Wiring.Being provided with lightning protection device 270 on mounting base 212, in the present embodiment, described lightning protection device 270 is arranged at described open circuit
The upside of device 240.The right side of negative pole fuse group 262 is provided with connecting terminal block 280, and described connecting terminal block 280 is with described
The PORT COM of detection control module 220 connects.On cabinet 212 and near positive pole fuse group 261, negative pole fuse group 262
A sidewall offer line through hole, and outer formula cable of compeling be installed in described line through hole fix terminal 290.
Its electrical principle: the positive pole of each road photovoltaic group string connects a diode anode after a fuse respectively, each
The negative electrode of diode accesses positive pole confluence copper bar, is connected in parallel chopper input, lightning protection device after positive pole confluence copper bar is confluxed
Input.
The negative pole of each road photovoltaic group string after a fuse through detection control module current detecting unit access negative pole
Confluence copper bar, negative pole confluence copper bar is connected in parallel chopper input, lightning protection device input after confluxing.
Embodiment two:
As it is shown in figure 1, the photovoltaic combiner box of 8 road band counnter attack diodes, including cabinet 110, door-plate 111, mounting base 112
And counnter attack diode (led) module 150, wherein counnter attack diode (led) module 150 is made up of multiple diodes.Mounting base, counnter attack diode
Module is installed in cabinet, on mounting base and be positioned at cabinet in the middle of install chopper 140, counnter attack diode (led) module 150
It is installed in cabinet 110 right side and adjacent with chopper 140, on mounting base 112 and be positioned on the left of chopper 140 inspection is installed
Surveying control module 120, described detection control module 120 can be sampled each photovoltaic input current and the output voltage that confluxes, this
In embodiment, described detection control module 120 also has the function of display, control, communication.On mounting base 112 and be positioned at anti-
It is separately installed with positive pole fuse group 161, negative pole fuse group 162 on the downside of anti-diode (led) module 150, detection control module 120,
In the present embodiment, described positive pole fuse group 161, described negative pole fuse group 171 are respectively set to one group, and described positive pole melts
Disconnected device group 251, negative pole fuse group 252 are all made up of multiple fuses.Multiple cable-through hole it is additionally provided with on mounting base 112
113, it is simple in the back wiring of mounting base 112.On mounting base 112 and be positioned at detection control module 120 upside install
There are lightning protection device 170, the right side of negative pole fuse group that connecting terminal block 180, described connecting terminal block 180 and described inspection are installed
The PORT COM surveying control module 120 connects.On cabinet 110 and near positive pole fuse group 161, negative pole fuse group 171
One sidewall is offered line through hole and goes out to be provided with outer urgent formula cable in line through hole and fix terminal 190.
Its electrical principle: the positive pole of each road photovoltaic group string connects a diode anode after a fuse respectively, each
The negative electrode of diode accesses positive pole confluence copper bar, is connected in parallel chopper input, lightning protection device after positive pole confluence copper bar is confluxed
Input.
The negative pole of each road photovoltaic group string accesses negative pole confluence copper bar after a fuse after current sample plate, and negative pole converges
Stream copper bar is connected in parallel chopper input, lightning protection device input after confluxing.
It is above preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model, such as increases
The quantity of dim light volt input, when produced function is without departing from the scope of technical solutions of the utility model, belongs to this reality
With novel protection domain.
Claims (10)
1. the photovoltaic combiner box of a band counnter attack diode, it is characterised in that: the counnter attack two include a cabinet, being arranged in cabinet
Pole tube module and mounting base, described mounting base is provided with chopper, detection control module, positive pole fuse group, negative pole
Fuse group；Described chopper is positioned at the middle part of mounting base, and described counnter attack diode (led) module is positioned at the side of described chopper,
Described detection control module is positioned at the opposite side of described chopper, and described positive pole fuse group is positioned at described counnter attack diode (led) module
Downside, described negative pole fuse group is positioned at the downside of described detection control module；Described positive pole fuse group is successively through counnter attack
Diode (led) module, positive pole confluence copper bar are connected with the first end of incoming cables of described chopper, and described negative pole fuse group is successively through inspection
Survey control module, negative pole confluence copper bar is connected with the second end of incoming cables of described chopper.
The photovoltaic combiner box of band counnter attack diode the most according to claim 1, it is characterised in that: described detection control module
For photovoltaic input current and the output voltage that confluxes of sampling.
The photovoltaic combiner box of band counnter attack diode the most according to claim 1, it is characterised in that: on described mounting base with
Negative pole fuse group or the adjacent connecting terminal block that is provided with of positive pole fuse group, described connecting terminal block controls mould with described detection
The PORT COM of block connects.
The photovoltaic combiner box of band counnter attack diode the most according to claim 1, it is characterised in that: near just on described cabinet
Pole fuse group, a sidewall of negative pole fuse group offer line through hole, and described line through hole is provided with outer urgent formula
Terminal fixed by cable.
The photovoltaic combiner box of band counnter attack diode the most according to claim 1, it is characterised in that: on described mounting base also
Lightning protection device is installed, two inputs of described lightning protection device respectively with described positive pole confluence copper bar, described negative pole confluence copper bar
Connect.
The photovoltaic combiner box of band counnter attack diode the most according to claim 5, it is characterised in that: described lightning protection device is arranged
Upside in described detection control module.
The photovoltaic combiner box of band counnter attack diode the most according to claim 5, it is characterised in that: described lightning protection device is arranged
Upside in described chopper.
The photovoltaic combiner box of band counnter attack diode the most according to claim 1, it is characterised in that: on described mounting base also
It is provided with cable-through hole.
The photovoltaic combiner box of band counnter attack diode the most according to claim 1, it is characterised in that: described positive pole fuse group
Including at least one sub-positive pole fuse group, described negative pole fuse group includes at least one sub-negative pole fuse group.
10. according to the photovoltaic combiner box of the band counnter attack diode described in claim 1 to 9 any one, it is characterised in that: described
Cabinet also includes a door-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730960.8U CN205811953U (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic combiner box of band counnter attack diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730960.8U CN205811953U (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic combiner box of band counnter attack diode |
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| Publication Number | Publication Date |
|---|---|
| CN205811953U true CN205811953U (en) | 2016-12-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730960.8U Active CN205811953U (en) | 2016-07-13 | 2016-07-13 | A kind of photovoltaic combiner box of band counnter attack diode |
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|---|---|
| CN (1) | CN205811953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436804A (en) * | 2020-11-09 | 2021-03-02 | 南昌工学院 | Solar photovoltaic power generation measurement and control device |
-
2016
- 2016-07-13 CN CN201620730960.8U patent/CN205811953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436804A (en) * | 2020-11-09 | 2021-03-02 | 南昌工学院 | Solar photovoltaic power generation measurement and control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee after: XIAMEN KEHUAHENGSHENG LIMITED BY SHARE Ltd. Address before: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee before: XIAMEN KEHUA HENGSHENG Co.,Ltd. Address after: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee after: Kehua Data Co.,Ltd. Address before: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee before: XIAMEN KEHUAHENGSHENG LIMITED BY SHARE Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220628 Address after: 361001 room 208-38, Hengye building, No. 100, Xiangxing Road, Xiamen Torch High tech Zone (Xiang'an) Industrial Zone, Xiamen, Fujian Patentee after: Xiamen Kehua shuneng Technology Co.,Ltd. Address before: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee before: Kehua Data Co.,Ltd. |
|
| TR01 | Transfer of patent right |