CN214480462U - Off-grid photovoltaic inverter - Google Patents
Off-grid photovoltaic inverter Download PDFInfo
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- CN214480462U CN214480462U CN202120451297.9U CN202120451297U CN214480462U CN 214480462 U CN214480462 U CN 214480462U CN 202120451297 U CN202120451297 U CN 202120451297U CN 214480462 U CN214480462 U CN 214480462U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to a photovoltaic inverter technical field, concretely relates to leave net type photovoltaic inverter, including main part case, fixed plate and photovoltaic module, fixed plate fixed connection is in main part case upper end, fixed plate upper end middle part fixedly connected with photovoltaic module, the equal fixedly connected with hinge in one side in the main part case left end is in opposite directions, hinge left side swing joint has the chamber door, main part case left side upper end fixedly connected with collection flow box, the equal fixedly connected with concentrator in one side in opposite directions in the inside upper end of collection flow box, collection flow box upper end middle part fixedly connected with electric current pipe. The utility model overcomes prior art's is not enough, through in carrying the photovoltaic tandem to the dc-to-ac converter by the collection flow box, lets the inside converter of dc-to-ac converter will converge the flow box and carry the photovoltaic tandem that comes and convert the electric energy into fast, controls the pulse of electric energy by the circuit control ware after the conversion again, and the pulse can make to switch on flexible pipe drive and close the backward flow that the board can control circuit and circuit, and then accomplishes the contravariant function, and the practicality is strong when in-service use.
Description
Technical Field
The utility model relates to a photovoltaic inverter specifically is an off-grid type photovoltaic inverter.
Background
The inverter is a converter for converting direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current (generally 220V,50Hz sine wave), consists of an inverter bridge, control logic and a filter circuit, is widely applied to air conditioners, home theaters, electric grinding wheels, electric tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, smoke exhaust ventilators, refrigerators, video recorders, massagers, fans, lighting and the like, in foreign countries, because of the higher popularization rate of automobiles, the inverter can be used for connecting the storage battery to drive electric appliances and various tools to work when going out for work or traveling, the vehicle-mounted inverter output by the cigarette lighter is in the power specification of 20W, 40W, 80W, 120W to 150W, and the larger power inverter power supply is connected to the storage battery through a connecting wire, so that various electric appliances can be used in the automobile by connecting household appliances to the output end of the power converter.
However, the existing off-grid photovoltaic inverter cannot quickly concentrate photovoltaic cells together to form individual photovoltaic strings, a plurality of photovoltaic strings are not connected in parallel into a combiner box, partial cache cannot be performed after the combiner box combines, the existing off-grid photovoltaic inverter cannot quickly convert direct current electric energy into alternating current electric energy, a circuit and a circuit loop cannot be effectively controlled after conversion, and the practicability is not high during actual use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a from net type photovoltaic inverter, the not enough of prior art has been overcome, structural design is simple, effectually solved current from net type photovoltaic inverter can not concentrate photovoltaic cell together one by one photovoltaic tandem fast, do not connect a plurality of photovoltaic tandem parallel connection in the collection flow box, can not carry out partial buffer memory after the collection flow box converges, and current from net type photovoltaic inverter can not be quick convert direct current electric energy into alternating current electric energy, can not effectual control circuit and circuit's return circuit after the conversion, the not strong problem of practicality when in-service use.
In order to solve the technical problem, the utility model provides a following technical scheme:
an off-grid photovoltaic inverter comprises a main body box, a fixing plate and a photovoltaic module, wherein the fixing plate is fixedly connected to the upper end of the main body box, and the photovoltaic module is fixedly connected to the middle of the upper end of the fixing plate;
the opposite sides of the left end of the main box are fixedly connected with hinges, the left sides of the hinges are movably connected with box doors, the upper end of the left side of the main body box is fixedly connected with a confluence box, opposite sides of the upper end in the confluence box are fixedly connected with concentrators, the middle part of the upper end of the confluence box is fixedly connected with an electric current tube, the lower end of the electric current tube is fixedly connected with a series-connection device, the middle part of the lower end of the confluence box is fixedly connected with a buffer, the middle inside the buffer is fixedly connected with a confluence conductor, the lower end of the left side of the main body box is fixedly connected with a storage battery, the middle part of the right side of the main body box is fixedly connected with an inverter, the upper end in the inverter is fixedly connected with a converter, one opposite side of the middle part of the inverter is fixedly connected with a conduction telescopic pipe, one side of the conduction telescopic pipe is movably connected with a related broken plate, and the middle part of the lower end of the inverter is fixedly connected with a circuit regulator.
As a preferred technical scheme of the utility model, switch on flexible pipe and turn-off the board and set up as an organic whole, and converter and circuit regulator distribute equally and switch on flexible pipe and turn-off board both sides.
As an optimized technical scheme of the utility model, the concentrator is total 2, and concentrator symmetric distribution is in the serializer both sides.
As an optimized technical solution of the present invention, the current tube runs through the serializer, the buffer and the inverter, and the current tube connects the serializer, the buffer and the inverter respectively.
As a preferred technical scheme of the utility model, photovoltaic module bottom through connection is in main part case upper end, and photovoltaic module and main part case are horizontal parallel arrangement.
As a preferred technical scheme of the utility model, hinge and chamber door set up as an organic whole, and chamber door and main part case left side agree with each other.
The embodiment of the utility model provides an off-grid type photovoltaic inverter possesses following beneficial effect: this kind of modified leaves net type photovoltaic inverter can concentrate photovoltaic cell together fast and constitute individual photovoltaic tandem, then with a plurality of photovoltaic tandem parallel connection in converging the flow box, can carry out partial buffer memory after converging the flow box, and modified leaves net type photovoltaic inverter can be quick change direct current electric energy into alternating current electric energy, can effectual control circuit and the return circuit of circuit after the conversion, the practicality is strong when the in-service use.
1. Through setting up the concentrator, serializer and buffer, collect the photovoltaic to converging in the concentrator of incasement through the photovoltaic module of main body case upper end, concentrate individual photovoltaic together by the concentrator and carry through the electric current pipe again and constitute individual photovoltaic tandem in the serializer, then carry a plurality of photovoltaic tandem and handle in converging the case back to the dc-to-ac converter in connecting in parallel, and the photovoltaic tandem can shunt to the conflux conductor in the buffer and carry out reserve storage when carrying to the inverter, with the demand from time to time, just can take out the use from the conflux conductor department in the buffer when photovoltaic is not enough, be favorable to in-service use.
2. Through setting up the converter, switch on flexible pipe and shut off the board, carry the photovoltaic tandem to the dc-to-ac converter by the collection flow box in, let the inside converter of dc-to-ac converter will converge the flow box and carry the photovoltaic tandem that comes and convert the electric energy into fast, control the pulse of electric energy by the circuit control ware again after the conversion, and the pulse can make to switch on flexible pipe and drive the backward flow that shut off the board can control circuit and circuit, and then accomplish the contravariant function, the practicality is strong when in-service use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the header box of the present invention;
fig. 3 is a schematic diagram of the inverter structure of the present invention.
In the figure: 1. a main body case; 2. a fixing plate; 3. a photovoltaic module; 4. a box door; 5. a hinge; 6. a combiner box; 601. a concentrator; 602. a current tube; 603. a serializer; 604. a buffer; 605. a bus conductor; 7. a storage battery; 8. an inverter; 801. a converter; 802. conducting the telescopic pipe; 803. a shutoff plate; 804. a circuit regulator.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-3, an off-grid photovoltaic inverter includes a main body box 1, a fixing plate 2 and a photovoltaic module 3, wherein the fixing plate 2 is fixedly connected to the upper end of the main body box 1, and the photovoltaic module 3 is fixedly connected to the middle of the upper end of the fixing plate 2;
equal fixedly connected with hinge 5 in the opposite one side of main part case 1 left end, hinge 5 left side swing joint has chamber door 4, main part case 1 left side upper end fixedly connected with collection flow box 6, the equal fixedly connected with concentrator 601 in the opposite one side of the inside upper end of collection flow box 6, collection flow box 6 upper end middle part fixedly connected with current pipe 602, current pipe 602 lower extreme fixedly connected with serializer 603, collection flow box 6 lower extreme middle part fixedly connected with buffer 604, fixedly connected with conductor 605 that converges in the middle of the inside of buffer 604, main part case 1 left side lower extreme fixedly connected with battery 7, main part case 1 right side middle part fixedly connected with dc-to-ac converter 8, the inside upper end fixedly connected with converter 801 of dc-to-ac converter 8, the equal fixedly connected with in the opposite one side in dc-to-ac converter 8 middle part switches on flexible pipe 802, switch on flexible pipe 802 one side equal swing joint relevant disconnected board 803, dc-to-ac converter 8 lower extreme middle part fixedly connected with circuit regulator 804.
The conducting telescopic tube 802 and the closing plate 803 are integrally arranged, and the converter 801 and the circuit regulator 804 are equally distributed on two sides of the conducting telescopic tube 802 and the closing plate 803.
In this embodiment, the converter 801 and the circuit regulator 804 are equally distributed on both sides of the conduction expansion pipe 802 and the shutdown plate 803, so that the converter 801 inside the inverter 8 can quickly convert the photovoltaic string transmitted from the header box 6 into electric energy, and the circuit regulator 804 controls the pulse of the electric energy after the conversion, and the pulse can make the conduction expansion pipe 802 drive the shutdown plate 803 to control the backflow of the circuit and the circuit, thereby completing the inversion function.
Wherein, there are 2 concentrators 601, and the concentrators 601 are symmetrically distributed on two sides of the serializer 603.
In this embodiment, by the design that the concentrators 601 are symmetrically distributed on both sides of the serial device 603, the concentrators 601 concentrate the individual photovoltaics together, and then the individual photovoltaics are conveyed into the serial device 603 through the current pipe 602 to form individual photovoltaics in series, and then the next operation is performed.
The current tube 602 passes through the serializer 603, the buffer 604 and the inverter 8, and the current tube 602 is connected to the serializer 603, the buffer 604 and the inverter 8, respectively.
In this embodiment, through the design that the current tube 602 is respectively connected to the serial connector 603, the buffer 604 and the inverter 8, the current tube 602 connects a plurality of photovoltaic strings in parallel to the junction box 6 and then conveys the photovoltaic strings to the inverter 8 for processing, and the photovoltaic strings can be shunted to the junction conductor 605 in the buffer 604 for standby storage when conveyed to the inverter 8, so as to be taken out from the junction conductor 605 in the buffer 604 for use whenever necessary, and the photovoltaic strings are beneficial to practical use.
Wherein, photovoltaic module 3 bottom through connection is in main part case 1 upper end, and photovoltaic module 3 and main part case 1 are horizontal parallel arrangement.
In this embodiment, through the design that photovoltaic module 3 and main part case 1 are horizontal parallel arrangement, make photovoltaic module 3 can be stable absorb solar energy, and solar energy that will absorb and lead is carried to main part case 1 by photovoltaic module 3 again and is provided the use.
Wherein, hinge 5 and chamber door 4 set up as an organic whole, and chamber door 4 agrees with each other with main part case 1 left side.
In this embodiment, through the design that chamber door 4 and main part case 1 left side agree with each other, can open chamber door 4 when not using and make things convenient for the inspection of equipment, be favorable to looking over the condition of equipment, the practicality is strong when in actual use.
The working principle is as follows: through the design that the box door 4 is matched with the left side of the main box 1, the box door 4 can be opened when not in use so as to facilitate the equipment inspection, the equipment condition can be conveniently inspected, then the photovoltaic component 3 and the main box 1 are transversely arranged in parallel, the photovoltaic component 3 can stably absorb solar energy, the photovoltaic component 3 transmits the absorbed solar energy into the main box 1 for use, the photovoltaic component 3 at the upper end of the main box 1 collects photovoltaic energy into a concentrator 601 in a confluence box 6, the individual photovoltaic energy is concentrated by the concentrator 601 and then transmitted into a serializer 603 through a current pipe 602 to form individual photovoltaic strings, then a plurality of photovoltaic strings are connected into the confluence box 6 in parallel and then transmitted into an inverter 8 for processing, and the photovoltaic strings can be shunted to a confluence conductor 605 in a buffer 604 for standby storage when being transmitted to the inverter 8, in order to prepare for the needs from now to time, just can take out the use from the conductor 605 that converges in the buffer 604 when photovoltaic is not enough, and converge the flow box 6 and carry the photovoltaic tandem to the dc-to-ac converter 8 in, let the inside converter 801 of dc-to-ac converter 8 convert the photovoltaic tandem that converges the flow box 6 and carry and come into the electric energy fast, control the pulse of electric energy by circuit regulator 804 after the conversion again, and the pulse can make the flexible pipe 802 that switches on drive the backward flow that the board 803 can control circuit and circuit of shutting off, and then accomplish the contravariant function, the practicality is strong when in actual use.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An off-grid photovoltaic inverter comprises a main body box (1), a fixing plate (2) and a photovoltaic module (3), and is characterized in that the fixing plate (2) is fixedly connected to the upper end of the main body box (1), and the photovoltaic module (3) is fixedly connected to the middle of the upper end of the fixing plate (2);
the refrigerator comprises a main body box (1), a hinge (5) is fixedly connected to one opposite side of the left end of the main body box (1), a box door (4) is movably connected to the left side of the hinge (5), a junction box (6) is fixedly connected to the upper end of the left side of the main body box (1), a concentrator (601) is fixedly connected to one opposite side of the upper end of the interior of the junction box (6), an electric current pipe (602) is fixedly connected to the middle of the upper end of the junction box (6), a series-connection device (603) is fixedly connected to the lower end of the electric current pipe (602), a buffer (604) is fixedly connected to the middle of the lower end of the junction box (6), a junction conductor (605) is fixedly connected to the middle of the interior of the buffer (604), a storage battery (7) is fixedly connected to the lower end of the left side of the main body box (1), an inverter (8) is fixedly connected to the middle of the right side of the main body box (1), and a converter (801) is fixedly connected to the upper end of the interior of the inverter (8), the middle part of the inverter (8) is fixedly connected with a conduction telescopic pipe (802), one side of the conduction telescopic pipe (802) is movably connected with a relative breaking plate (803), and the middle part of the lower end of the inverter (8) is fixedly connected with a circuit regulator (804).
2. The off-grid photovoltaic inverter according to claim 1, wherein the conducting telescopic tube (802) and the shutdown plate (803) are integrally arranged, and the converter (801) and the circuit regulator (804) are equally distributed on two sides of the conducting telescopic tube (802) and the shutdown plate (803).
3. The off-grid photovoltaic inverter according to claim 1, wherein the number of concentrators (601) is 2, and the concentrators (601) are symmetrically distributed on both sides of the serializer (603).
4. The off-grid photovoltaic inverter according to claim 1, wherein the current pipe (602) runs through the serializer (603), the buffer (604) and the inverter (8), and the current pipe (602) connects the serializer (603), the buffer (604) and the inverter (8), respectively.
5. The off-grid photovoltaic inverter according to claim 1, wherein the bottom of the photovoltaic module (3) is connected to the upper end of the main body box (1) in a penetrating manner, and the photovoltaic module (3) and the main body box (1) are arranged in parallel in the transverse direction.
6. The off-grid photovoltaic inverter according to claim 1, wherein the hinge (5) and the box door (4) are integrally disposed, and the box door (4) is engaged with the left side of the main body box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451297.9U CN214480462U (en) | 2021-03-02 | 2021-03-02 | Off-grid photovoltaic inverter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120451297.9U CN214480462U (en) | 2021-03-02 | 2021-03-02 | Off-grid photovoltaic inverter |
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| CN214480462U true CN214480462U (en) | 2021-10-22 |
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| CN202120451297.9U Active CN214480462U (en) | 2021-03-02 | 2021-03-02 | Off-grid photovoltaic inverter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116404952A (en) * | 2023-06-08 | 2023-07-07 | 深圳市耐斯特能源科技有限公司 | Photovoltaic energy storage inverter energy scheduling system and scheduling method thereof |
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2021
- 2021-03-02 CN CN202120451297.9U patent/CN214480462U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116404952A (en) * | 2023-06-08 | 2023-07-07 | 深圳市耐斯特能源科技有限公司 | Photovoltaic energy storage inverter energy scheduling system and scheduling method thereof |
| CN116404952B (en) * | 2023-06-08 | 2023-09-01 | 深圳市耐斯特能源科技有限公司 | Photovoltaic energy storage inverter energy scheduling system and scheduling method thereof |
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