CN206211336U - A kind of photovoltaic generation confluxes inversion distribution box - Google Patents
A kind of photovoltaic generation confluxes inversion distribution box Download PDFInfo
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- CN206211336U CN206211336U CN201621360024.9U CN201621360024U CN206211336U CN 206211336 U CN206211336 U CN 206211336U CN 201621360024 U CN201621360024 U CN 201621360024U CN 206211336 U CN206211336 U CN 206211336U
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Abstract
The utility model confluxes inversion distribution box there is provided a kind of photovoltaic generation, comprising casing, the bottom of casing is embedded with some groups of positive terminals, negative terminals and exchange outlet terminal, the sidepiece of casing is provided with some oblique parallel fin directed downwardly, and air channel is additionally provided between fin in the side wall of casing；Some fuses, input circuit plate, some input direct-currents switch, positive bus, negative bus-bar, inverter, output breaker are additionally provided with casing, its input connects with the output end of inverter, and output end is connected with outlet terminal is exchanged；Lightning protection device, is connected between positive bus, negative bus-bar and ground.The beneficial effects of the utility model are：Be integrated with conflux, inversion and exchange output function, and do not need distributing installation multiple box parts, save connecting line between casing, and only need to access and pick out circuit, easy construction improves photovoltaic efficiency of construction.
Description
Technical field
The utility model is related to photovoltaic generation distribution box, and in particular to a kind of photovoltaic generation confluxes inversion distribution box.
Background technology
Existing photovoltaic generation is typically designed to the power supply that photovoltaic generation is realized in the combination of header box, inversion box and distribution box
And it is grid-connected, it is used for more than 100KW capacity requirements, and construction and wiring are complex, is unsuitable for being sent out compared with the photovoltaic of low capacity
Electric demand.
Utility model content
The utility model is suitable to the inversion distribution box that confluxes of low profile photovoltaic generating capacity requirement there is provided a kind of, and its purpose exists
In photovoltaic construction operation operation is reduced, photovoltaic efficiency of construction, the radiating effect in enhancing distribution box are improved.
To achieve the above object, the utility model employs following technical scheme：
A kind of photovoltaic generation confluxes inversion distribution box, and comprising casing, the bottom of casing is embedded with some groups of positive terminals,
Negative terminals and exchange outlet terminal, the sidepiece of casing is provided with some oblique parallel fin directed downwardly, in casing
Side wall air channel is additionally provided between fin；It is provided with casing
Some fuses, one end of each fuse corresponds with positive terminal or negative terminals and connects；
Input circuit plate, which is provided with some groups and includes counnter attack diode, positive pole input terminal, negative pole input wires
The input channel of end, positive pole outlet terminal and negative pole outlet terminal；In any group of input channel, counnter attack diode is arranged at
Between positive pole input terminal and positive pole outlet terminal or between negative pole input terminal and negative pole outlet terminal；Positive pole is defeated
Enter terminals to be connected with positive terminal one-to-one corresponding；Negative pole input terminal is corresponded with negative terminals and connected；
Some input direct-currents switch, each input direct-current switch respectively with the output connection of input circuit plate each group input channel
End connects；
Positive bus, negative bus-bar, the output end switched with each input direct-current are connected, wherein positive bus correspondence
Connection positive terminal institute's chord road, negative bus-bar correspondence connection negative terminals institute's chord road；
Inverter, its input connects with positive bus, negative bus-bar respectively, for being by DC voltage inversion
Alternating voltage between 200V to 480V；
Output breaker, its input connects with the output end of inverter, and output end is connected with outlet terminal is exchanged；
Lightning protection device, is connected between positive bus, negative bus-bar and ground.
Further, projection of the two neighboring fin on wall box has an overlapping region, the edge of air channel with dissipate
Backing two ends project outer rim distance not less than 3cm on wall box.
Further, also include filtration module in each input channel of input circuit plate, for filtering DC voltage in
Clutter.
Further, it is additionally provided with radiator fan in casing.
Compared to prior art, the utility model has the advantages that：
(1), be integrated with conflux, inversion and exchange output function, and do not need distributing installation multiple box parts, save case
Connecting line between body, and only need to access and pick out circuit, easy construction improves photovoltaic efficiency of construction；
(2), outdoor application is suitable to, and the effect that fin also plays rain cover avoids enter into rainwater；Heat abstractor is designed and causes case
Body can be radiated, and can divulge information again, and the air circulation in casing is greatly strengthen under the auxiliary of radiator fan, be box house part
Particularly inverter provides good heat dissipation environment；
(3), the defeated entry/exit terminals of positive pole of input circuit plate setting, the defeated entry/exit terminals of negative pole facilitate module to extend, can
Connection MPPT control modules or voltage sample connection are used, and the switch terminals of MPPT are serially connected in input direct-current switch and are converged with positive/negative
Between stream row；
(4), can individually power and use, may also connect to exchange header box and be applied in combination, be widely used.
Brief description of the drawings
Fig. 1 is a pair of positive terminals, the wired logic block diagrams of negative terminals in embodiment.
Fig. 2 is casing structural representation in embodiment.
Fig. 3 is that fin in embodiment and air channel are right regarding schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is further illustrated to the technical scheme in the utility model.
A kind of photovoltaic generation confluxes inversion distribution box, and comprising casing, the bottom of casing is embedded with some groups of positive terminals,
Negative terminals and exchange outlet terminal, due in outdoor application, positive terminal, negative terminals and exchange output
Terminals can select the waterproof wiring terminal such as PG36 specifications；As shown in Figure 2 and Figure 3, the sidepiece of casing be provided with it is some it is oblique down
Parallel fin 1, air channel 2 is additionally provided between fin in the side wall of casing；For convenience of representing, eliminated in Fig. 2
Door structure；It is provided with casing
Some fuses, one end of each fuse corresponds with positive terminal or negative terminals and connects；
Input circuit plate, which is provided with some groups and includes counnter attack diode, positive pole input terminal, negative pole input wires
The input channel of end, positive pole outlet terminal and negative pole outlet terminal；In any group of input channel, counnter attack diode is arranged at
Between positive pole input terminal and positive pole outlet terminal or between negative pole input terminal and negative pole outlet terminal；Positive pole is defeated
Enter terminals to be connected with positive terminal one-to-one corresponding；Negative pole input terminal is corresponded with negative terminals and connected；Such as Fig. 1
It is shown, some input direct-currents switch, each input direct-current switch respectively with the outlet terminal of input circuit plate each group input channel
Connect；
Positive bus, negative bus-bar, the output end switched with each input direct-current are connected, wherein positive bus correspondence
Connection positive terminal institute's chord road, negative bus-bar correspondence connection negative terminals institute's chord road；
Inverter, its input connects with positive bus, negative bus-bar respectively, for being by DC voltage inversion
Alternating voltage between 200V to 480V；
Output breaker, its input connects with the output end of inverter, and output end is connected with outlet terminal is exchanged；
Lightning protection device, is connected between positive bus, negative bus-bar and ground.
Edge and the fin two ends that projection of the two neighboring fin on wall box has overlapping region, air channel exist
Outer rim distance is projected on wall box and is not less than 3cm；When casing is placed on outdoor application, can prevent rainwater from entering in casing
Portion, while also heat dissipation ventilation effect.
Also include filtration module in each input channel of input circuit plate, for filtering the clutter in DC voltage.
Radiator fan is additionally provided with casing, is connected with power supply unit by temperature detect switch (TDS)；Power supply unit can be battery, also may be used
To be connected to the dcdc converter of positive bus, negative bus-bar；Led so as to cause that temperature detect switch (TDS) is closed when temperature is raised
It is logical, radiator fan work, so that increase the air circulation in casing, and for inverter provides good heat dissipation environment.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, it all should cover in the middle of right of the present utility model.
Claims (4)
1. a kind of photovoltaic generation confluxes inversion distribution box, comprising casing, it is characterised in that：The bottom of casing is being embedded with some groups just
Pole terminals, negative terminals and exchange outlet terminal, the sidepiece of casing are provided with some oblique parallel radiatings directed downwardly
Piece, air channel is additionally provided with the side wall of casing between fin；It is provided with casing
Some fuses, one end of each fuse corresponds with positive terminal or negative terminals and connects；
Input circuit plate, which is provided with some groups and includes counnter attack diode, positive pole input terminal, negative pole input terminal, just
The input channel of pole outlet terminal and negative pole outlet terminal；In any group of input channel, counnter attack diode is arranged at positive pole
Between input terminal and positive pole outlet terminal or between negative pole input terminal and negative pole outlet terminal；Positive pole input connects
Line end is corresponded with positive terminal and is connected；Negative pole input terminal is corresponded with negative terminals and connected；
Some input direct-currents switch, each input direct-current switch respectively with the outlet terminal phase of input circuit plate each group input channel
Connect；
Positive bus, negative bus-bar, the output end switched with each input direct-current are connected, and wherein positive bus correspondence is connected
Positive terminal institute's chord road, negative bus-bar correspondence connection negative terminals institute's chord road；
Inverter, its input connects with positive bus, negative bus-bar respectively, for by DC voltage inversion be 200V extremely
Alternating voltage between 480V；
Output breaker, its input connects with the output end of inverter, and output end is connected with outlet terminal is exchanged；
Lightning protection device, is connected between positive bus, negative bus-bar and ground.
2. a kind of photovoltaic generation according to claim 1 confluxes inversion distribution box, it is characterised in that：Two neighboring fin
Edge and the fin two ends that projection on wall box has overlapping region, air channel project outer rim distance on wall box
Not less than 3cm.
3. a kind of photovoltaic generation according to claim 2 confluxes inversion distribution box, it is characterised in that：Input circuit plate it is each
Also include DC filtering module in input channel.
4. a kind of photovoltaic generation according to claim 3 confluxes inversion distribution box, it is characterised in that：It is additionally provided with casing scattered
Hot-air fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360024.9U CN206211336U (en) | 2016-12-12 | 2016-12-12 | A kind of photovoltaic generation confluxes inversion distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360024.9U CN206211336U (en) | 2016-12-12 | 2016-12-12 | A kind of photovoltaic generation confluxes inversion distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211336U true CN206211336U (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360024.9U Active CN206211336U (en) | 2016-12-12 | 2016-12-12 | A kind of photovoltaic generation confluxes inversion distribution box |
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| CN (1) | CN206211336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809085A (en) * | 2017-11-14 | 2018-03-16 | 余姚市荣事特电子有限公司 | A kind of box-type substation |
-
2016
- 2016-12-12 CN CN201621360024.9U patent/CN206211336U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107809085A (en) * | 2017-11-14 | 2018-03-16 | 余姚市荣事特电子有限公司 | A kind of box-type substation |
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