CN205584124U - Solar energy photovoltaic assembly conjunction box - Google Patents
Solar energy photovoltaic assembly conjunction box Download PDFInfo
- Publication number
- CN205584124U CN205584124U CN201620385497.8U CN201620385497U CN205584124U CN 205584124 U CN205584124 U CN 205584124U CN 201620385497 U CN201620385497 U CN 201620385497U CN 205584124 U CN205584124 U CN 205584124U
- Authority
- CN
- China
- Prior art keywords
- busbar
- rosette
- cable
- electrical switch
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar energy photovoltaic assembly conjunction box, including the box body, be equipped with printed circuit board in the box body, the last printing of printed circuit board has a N busbar link and two electric cable connect ends, and it is continuous with the solar array cluster that every busbar link passes through the busbar, still links to each other with the diode between each adjacent busbar link, and wherein the busbar link of negative pole is first busbar link, and the electric cable connect end of negative pole is held for first electric cable connect, it has electronic switch to establish ties between first busbar link and the first electric cable connect end, and electronic switch controls its break -make by the control signal who receives, N busbar link links to each other with second electricity cable connect end, two electric cable connect ends are connected with the external world respectively through the cable conductor. The utility model discloses can drop the power plant system internal voltage to security range artificially or automatically at the time of emergency to be favorable to in time developing scene disposal.
Description
Technical field
This utility model belongs to solar photovoltaic technology field, particularly relates to a kind of solar photovoltaic assembly with connecing
Line box.
Background technology
In solar energy power generating field, rosette is a kind of very important accessory, electrically connecting for photovoltaic module
Connecing, voltage produced by solar battery group string needs after rosette is cumulative, then is converted to hand over by unidirectional current by inverter
Stream electricity, is then incorporated into electrical network.In prior art, the structure of rosette generally comprises box body, is provided with some conducting strips, respectively in box body
Solar battery group string is connected from by busbar；It is connected with diode between each adjacent conductive sheet；The conducting strip at two ends respectively with
Cable is connected with the external world.Multiple rosettees are connected, and are added up by the voltage that set of cells string produces.Existing rosette is not
Having turn-off function, in the case of i.e. physical connection does not turns off, electrical connection exists the most all the time, and voltage is at a relatively high；False
Voltage as produced by single battery group string is 30V, and after 14 groups are connected, voltage then can reach 420V.So occur when power station
During fortuitous event, such as fire, earthquake, owing to system still having high voltage, rescue personnel will be hindered to carry out in time
Rescue.
Summary of the invention
The purpose of this utility model is to provide a kind of solar photovoltaic assembly rosette, can power-off in time when needed.
To this end, the technical solution adopted in the utility model is such that a kind of solar photovoltaic assembly rosette, including
Box body, it is characterised in that: it is provided with printed substrate in box body, printed substrate is printed with N number of busbar and connects end and two
Cable connects end, and each busbar is connected end and is connected with solar battery group string by busbar, and each adjacent busbar connects
Also being connected with diode between end, wherein the busbar of negative pole connects end is that the first busbar connects end, and the cable of negative pole is even
Connecing end is that the first cable connects end；It is in series with electrical switch between first busbar connection end and the first cable connection end,
Electrical switch by the control signal received to control its break-make；N busbar connects end and the second cable connects end and is connected；Two
Individual cable is connected end and is connected with the external world respectively by cable.
The logic of described electrical switch is: the switch OFF when no signal, switch conduction when having signal.
Further, it is provided with bypass diode between two cables connection ends.
Busbar connection end, diode, cable connection end, bypass diode, electrical switch collectively form rosette
Main circuit, is also in series with amplifier circuit, amplifier circuit between corresponding busbar connection end and cable connection end
Outfan be connected with electrical switch.
Busbar connection end, diode, cable connection end, bypass diode, electrical switch collectively form rosette
Main circuit, is also parallel with amplifier circuit, the outfan of amplifier circuit and electronic cutting between two cables connection ends
Close and be connected.
It can be seen from the foregoing description that the first busbar connects end and the first cable connects end and has corresponding relation,
Become one group；N busbar connects end and the second cable connects end and has corresponding relation, becomes one group.In general they
Lay respectively at the both sides of printed substrate, become negative or positive electrode.When amplifier circuit connected in series enters main circuit, have two kinds can
The mode of energy, one is that the first busbar connects end and the first cable connects an electrical switch of connecting between end, N busbar
Connect end and the second cable connects amplifier circuit of connecting between end；Another kind is that the first busbar connects end and the first electricity
Connecting between cable connection end an electrical switch, and amplifier circuit, N busbar connects end and the second cable connects
End is joined directly together.
The effect of amplifier circuit is acquisition controlling signal, the carrier wave letter that this control signal can be present in loop
Number, it is also possible to it is wireless signal, after then being amplified, is transferred to electrical switch.
Electrical switch has two kinds of alternative logics, is i.e. defaulted as on-off.As being defaulted as leading to, then switch during no signal
Conducting, switch OFF when having signal；As being defaulted as breaking, then switch OFF during no signal, switch conduction when having signal.This practicality is new
Type is preferably defaulted as the scheme broken, because when something unexpected happened, control signal can be lost, and rosette will automatically shut down,
So it is more beneficial for realizing the utility model purpose of " timely power-off under the state of emergency ".
Electrical switch in this utility model, needs extra power supply circuits, and by electronic switching device in the remittance of negative pole
Stream bar connects end and cable connects between end, can share a ground connection with rosette itself, relative to device on positive pole,
Provide cost savings.Cable connects the bypass diode set between end and has a very important effect, in an initial condition, due to
Electrical switch default conditions for turn off, loop can not be formed between each rosette, control signal cannot arrive each rosette from
And start whole system, therefore, arranging of bypass diode makes system to start the most smoothly；When some connects
Line box or its set of cells string connected break down when can not work, it is also desirable to bypass diode conducting forms loop so that string
Other rosettees and the set of cells string of connection can normally work.
It can be seen from the foregoing description that the technical solution of the utility model, can at the time of emergency, artificially or from
Voltage in electric power station system is down to safety range by dynamic ground, thus is conducive to carrying out site disposal in time.
Accompanying drawing explanation
It is described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model
Fig. 1 is the system block diagram of electric power station system；
Fig. 2 is the circuit diagram of rosette；
Fig. 3 is the main circuit diagram A1 of rosette；
Fig. 4 is the amplifier circuit diagram A2 of rosette；
Fig. 5 is the driving output circuit A3 of rosette；
Fig. 6 is the power supply circuits A4 of rosette；
Fig. 7 is the circuit diagram of electric power station system；
Fig. 8 is the artificial circuit figure of control signal generator；
Fig. 9 is the PCB figure of rosette.
Figure is labeled as: busbar connects end 1, diode 2, negative electricity cable connection end 31, positive electrical cable connection end
32, electrical switch 4, bypass diode 5；U be operational amplifier, R be resistance, C be electric capacity, D be diode, Q2 be audion,
VR be potentiometer, Trans be ribbon core transformator.
Wherein, D1, D2, D3, D4, D5, the D6 in Fig. 2 is connection end, and the two ends of identical label are connected；
S1, S2, S3, S4, S5 in Fig. 3 ~ 7 is connection end, and the two ends of identical label are connected；
P1, P2, P3, P4, P5, P6 in Fig. 8 is connection end, and the two ends of identical label are connected.
Detailed description of the invention
See accompanying drawing.Rosette described in the present embodiment, including box body, is provided with printed substrate, printed wire in box body
Being printed with N number of busbar on plate and connect end 1 and cable connection end, cable connects end and is divided into negative electricity cable connection end 31 He
Positive electrical cable connection end 32；Each busbar is connected end 1 and is connected with solar battery group string by busbar, each adjacent confluxes
Bar connects and is also connected with diode 2 between end 1；Wherein the first busbar connects series connection between end and negative electricity cable connection end 31
Have electrical switch 4, electrical switch 4 by the control signal received to control its break-make；N busbar connects end and positive electrical cable
Connect end 32 to be connected；Two cables are connected end and are connected with the external world respectively by cable.Two cables connect the span of end
It is connected to bypass diode 5；Busbar connection end 1, diode 2, cable connection end, bypass diode 5, electrical switch 4 are common
Constitute the main circuit of rosette, corresponding busbar connect S1, S2 place that end and cable connect between end also connect or across
Being connected to amplifier circuit, the outfan of amplifier circuit is connected with electrical switch 4.
Solar power plant system described in the present embodiment, including some solar battery group strings, by rosette series connection be
One group, after produced voltage accumulation, by inverter, unidirectional current is converted to alternating current, in described rosette at least one
Divide with electrical switch 4；Electric power station system has a control signal generator, controls electrical switch in rosette by control signal
Break-make.Control signal generator can access loop by serial or parallel connection mode, and produced control signal can be passed through
Wired mode, i.e. cable are transmitted to each rosette, it is also possible to wirelessly, i.e. WIFI, radio frequency, bluetooth etc., produce
Raw wireless signal, sends to each rosette.
During the present embodiment work, the control signal sent by control signal generator controls rosette, the starting stage,
Many Battery packs sheet and rosette normal power supply；When there are special circumstances, control signal generator sends reverse signal, rosette
Internal electrical switch disconnects；Owing to a control signal controls multiple rosette simultaneously, therefore control signal generator sends
Reverse signal, the electrical switch of multiple junction box all can disconnect, thus disconnects the series connection between solar battery sheet so that
Present in electric power station system, voltage is voltage produced by single Battery pack sheet, and voltage in electric power station system is down to safety range,
Thus be conducive to carrying out site disposal in time.
Claims (5)
1. a solar photovoltaic assembly rosette, including box body, it is characterised in that: it is provided with printed substrate in box body, print
Being printed with N number of busbar on brush wiring board and connect end and two cables connection ends, each busbar connects end and passes through busbar
Being connected with solar battery group string, each adjacent busbar connects and is also connected with diode between end, and wherein the busbar of negative pole is even
Connecing end is that the first busbar connects end, and it is that the first cable connects end that the cable of negative pole connects end；First busbar connects end
And first cable connect between end and be in series with electrical switch, electrical switch by the control signal received to control its break-make；N
Busbar connects end and the second cable connects end and is connected；Two cables are connected end and are connected with the external world respectively by cable.
2. a kind of solar photovoltaic assembly rosette as claimed in claim 1, it is characterised in that: patrolling of described electrical switch
Collect and be: the switch OFF when no signal, switch conduction when having signal.
3. a kind of solar photovoltaic assembly rosette as claimed in claim 2, it is characterised in that: two cables connect end
Between be provided with bypass diode.
4. solar photovoltaic assembly rosette as claimed in claim 3 a kind of, it is characterised in that: busbar connect end, two
Pole pipe, cable connection end, bypass diode, electrical switch collectively form the main circuit of rosette, and corresponding busbar connects
Also being in series with amplifier circuit between end and cable connection end, the outfan of amplifier circuit is connected with electrical switch.
5. solar photovoltaic assembly rosette as claimed in claim 3 a kind of, it is characterised in that: busbar connect end, two
Pole pipe, cable connection end, bypass diode, electrical switch collectively form the main circuit of rosette, and two cables connect ends
Between be also parallel with amplifier circuit, the outfan of amplifier circuit is connected with electrical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385497.8U CN205584124U (en) | 2016-05-03 | 2016-05-03 | Solar energy photovoltaic assembly conjunction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620385497.8U CN205584124U (en) | 2016-05-03 | 2016-05-03 | Solar energy photovoltaic assembly conjunction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205584124U true CN205584124U (en) | 2016-09-14 |
Family
ID=56858271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620385497.8U Active CN205584124U (en) | 2016-05-03 | 2016-05-03 | Solar energy photovoltaic assembly conjunction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205584124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720911A (en) * | 2016-05-03 | 2016-06-29 | 闪耀魅力有限公司 | Junction box for solar photovoltaic module |
-
2016
- 2016-05-03 CN CN201620385497.8U patent/CN205584124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720911A (en) * | 2016-05-03 | 2016-06-29 | 闪耀魅力有限公司 | Junction box for solar photovoltaic module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102593884B (en) | Battery system and the energy storage system comprising it | |
| CN104393833A (en) | Photovoltaic intelligent power | |
| CN104377732A (en) | DC bus distributed MPPT photovoltaic power generation system | |
| CN103267889A (en) | Novel intelligent photovoltaic confluence device | |
| CN206575379U (en) | Solar panel terminal box and solar power system | |
| CN205584125U (en) | Novel solar PV modules terminal box | |
| CN205584126U (en) | Solar PV modules is with safe terminal box and power plant system of breaking off | |
| CN205584124U (en) | Solar energy photovoltaic assembly conjunction box | |
| CN205584119U (en) | Solar photovoltaic power station system | |
| CN203103330U (en) | Intelligent photovoltaic lightning protection anti-reverse junction box | |
| CN105743431A (en) | Solar photovoltaic power station system | |
| CN205584127U (en) | Controllable solar PV modules terminal box | |
| CN105720913A (en) | Safety cut-off junction box used for solar photovoltaic modules and power station system | |
| CN201518464U (en) | Novel photovoltaic power generation system bus box | |
| CN201430550Y (en) | Solar energy current converging equipment | |
| CN105490308A (en) | Middle-high-voltage grid-connected system and middle-high-voltage grid-connected power generation system | |
| CN202153529U (en) | Intelligent protective photovoltaic array junction box | |
| CN216213928U (en) | Energy storage battery cluster convenient to installation is maintained | |
| CN106300632B (en) | DC uninterrupted remote electric power system | |
| CN105703706A (en) | Controllable solar photovoltaic module connection box | |
| CN105720912A (en) | Novel solar photovoltaic module junction box | |
| CN209358289U (en) | Oil gas field power supply system | |
| CN203071839U (en) | Intelligent photovoltaic combiner box | |
| CN207530623U (en) | Plateau ferric phosphate lithium cell monitoring off-network photovoltaic power generation apparatus | |
| CN205981281U (en) | Underground pipe network monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |