CN217036750U - Direct-current power distribution device applied to photovoltaic inverter and photovoltaic inverter - Google Patents
Direct-current power distribution device applied to photovoltaic inverter and photovoltaic inverter Download PDFInfo
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- CN217036750U CN217036750U CN202220091785.8U CN202220091785U CN217036750U CN 217036750 U CN217036750 U CN 217036750U CN 202220091785 U CN202220091785 U CN 202220091785U CN 217036750 U CN217036750 U CN 217036750U
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Abstract
The utility model is suitable for the technical field of inverters, and provides a direct-current power distribution device applied to a photovoltaic inverter and the photovoltaic inverter, which comprise a summary positive row, a plurality of Hall elements and a plurality of fuses arranged on a negative row, wherein the summary positive row is connected with one end of all the Hall elements, the other end of each Hall element is respectively connected with a plurality of corresponding fuses to form the whole negative row, each fuse arranged on the negative row forms an inclination angle with the horizontal direction, and the range of the inclination angle is 0-90 degrees. This application can reduce highly the occupation through arranging the fuse slope, can reduce the height of the rack that the dc-to-ac converter set up, practices thrift processing cost and cost of transportation.
Description
Technical Field
The utility model belongs to the technical field of inverters, and particularly relates to a direct-current power distribution device applied to a photovoltaic inverter and the photovoltaic inverter.
Background
With the continuous development of the photovoltaic industry, the power grade of the inverter is continuously improved, the direct-current side circuit configuration is also continuously changed and developed, and the appearance of the double-side component photovoltaic panel is matched with the market background that the photovoltaic field capacity ratio is continuously improved.
Referring to fig. 1 and fig. 2, a layout diagram of a dc-side structure provided in the prior art is shown. The single group string is sent to the direct current switch through the fuse Hall and then enters the power module, the direct current fuses such as 320A and 400A are generally selected on the direct current side, the fuses are vertically arranged, and all branches are gathered to the main bank. However, as the power of the photovoltaic panel and the capacity ratio of the inverter are increased, the number of the inverter branches is increased, the size of the fuse is increased correspondingly, and the market starts to adopt fuses with larger capacity, such as 500A, 600A and the like. If adopt above-mentioned prior art, then there will be the problem that the whole machine size of inverter becomes big, and processing cost and transportation cost improve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a direct current power distribution device applied to a photovoltaic inverter, and aims to solve the problems that in the prior art, a fuse wire is vertically arranged, the size of the whole inverter is increased, and the processing cost and the transportation cost are increased.
The present invention is achieved in this way, and provides a dc power distribution apparatus applied to a photovoltaic inverter, including: the Hall fuse wire comprises a collective positive row, a plurality of Hall elements and a plurality of fuse wires arranged in a negative row, wherein the collective positive row is connected with one ends of all the Hall elements, the other end of each Hall element is respectively connected with the corresponding fuse wires to form the whole negative row, each fuse wire arranged in the negative row forms an inclination angle with the horizontal direction, and the inclination angle ranges from 0 degree to 90 degrees.
Furthermore, discharge terminals are arranged at two ends of the fuse, and the Hall element is sleeved on the discharge terminals of the fuse to realize connection.
Further, after each of the hall elements is connected to the discharge terminal of the corresponding fuse, equally spaced connections are provided in the collective positive line.
The embodiment also provides a photovoltaic inverter, which comprises the direct-current power distribution device applied to the photovoltaic inverter in any embodiment.
The utility model has the beneficial effects that the direct-current power distribution device applied to the photovoltaic inverter specifically comprises a summary positive row, a plurality of Hall elements and a plurality of fuses arranged on a negative row, the summary positive row is connected with one ends of all the Hall elements, the other end of each Hall element is respectively connected with the corresponding fuses to form the whole negative row, each fuse arranged on the negative row forms an inclination angle with the horizontal direction, and the inclination angle ranges from 0 degrees to 90 degrees. Compared with the fuse in-line arrangement in the prior art, the fuse is obliquely arranged, so that the height of the fuse can be reduced, the height of a cabinet provided with the inverter can be reduced, and the processing cost and the transportation cost are saved.
Drawings
Fig. 1 is a block diagram of a dc power distribution apparatus applied to a photovoltaic inverter provided in the prior art;
fig. 2 is a block diagram of another dc power distribution apparatus applied to a photovoltaic inverter provided in the prior art;
fig. 3 is a circuit structure diagram of a dc power distribution apparatus applied to a photovoltaic inverter according to the present invention;
FIG. 4 is a detailed block diagram of a fuse position arrangement provided by the present invention;
FIG. 5 is a detailed block diagram of another fuse location arrangement provided by the present invention;
the device comprises a positive row 1, a negative row 2, Hall elements 3, fuses 4, a cabinet 5, a cabinet 6 and an inclination angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the direct-current side distribution device applied to the photovoltaic inverter in the prior art, all the fuses are vertically arranged, so that a larger space is occupied, and the processing cost and the transportation cost are higher. Because the application provides a direct current distribution device applied to photovoltaic inverter, specifically include that gather positive row, a plurality of hall element, and set up a plurality of fuses at the negative row, and gather positive row and connect all hall element's one end, every hall element's the other end is connected respectively the fuse that corresponds a plurality of the fuse forms whole the negative row, set up in every fuse and the horizontal direction of negative row constitute an angle of inclination, the scope of angle of inclination is 0 ~ 90. Compared with the fuse in-line arrangement in the prior art, the fuse is obliquely arranged, so that the height of the fuse can be reduced, the height of a cabinet provided with the inverter can be reduced, and the processing cost and the transportation cost are saved.
Example one
Referring to fig. 3, fig. 3 is a schematic structural diagram of a dc power distribution apparatus applied to a photovoltaic inverter according to this embodiment. Wherein, a be applied to photovoltaic inverter's direct current distribution device includes: a positive row 1, a plurality of hall elements 2, and a plurality of fuses 3 provided in a negative row 4 are collected, wherein,
the positive row 1 is connected with one end of all Hall elements 2, the other end of each Hall element 2 is respectively connected with a plurality of fuses 3 corresponding to the fuses 3 to form a whole negative row 4, each fuse 3 arranged on the negative row 4 forms an inclined angle 6 with the horizontal direction, and the range of the inclined angle 6 is 0-90 degrees.
Specifically, the above-mentioned positive row 1 that gathers also is the busbar, can be formed with a plurality of wiring holes of converging on the busbar, and the wiring hole of converging can be used for the effective access of every branch road, has how many branch roads just can be provided with how many hall element 2, also is that every branch road corresponds a hall element 2 promptly. After partial overload capacity is subjected to overload protection through the fuse 3, the fuse is matched with other products in the inverter, the overall overload protection capacity of the equipment is greatly improved, and safe and stable power protection can be provided for the equipment. Therefore, the use of the fuse 3 can provide the photovoltaic inverter with good safe and stable power protection on the direct current side. Similarly, there are as many fuses 3 as there are branches, one fuse 3 being in series with one hall element 2.
More specifically, the fuse 3, when set, exhibits a certain angle of inclination 6 with the horizontal. And the range of the inclination angle 6 is 0-90 degrees. The inclination angle can be selected according to comprehensive consideration of dust prevention, temperature rise tests and the cost of the whole machine. Through setting up fuse 3 slope, form certain contained angle with the horizontal direction, can reduce the height of the cabinet body of assembly direct current distribution device.
More specifically, as shown in fig. 4, as a possible embodiment, the fuse 3 may form an inclination angle 6 with respect to the horizontal direction, which is 0 °, and the inclination angle 6 is 0 °, which enables the space utilization to be the highest, thereby greatly saving the height of the cabinet 5.
As another possible embodiment, as shown in fig. 5, each fuse 3 may be inclined at an angle 6 of 30 ° from the horizontal. And compared with 0 degree, the width of the cabinet 5 is more contained, and meanwhile, the function of dust deposition and heat dissipation is better. Of course, the angle of inclination 6 may also be 45 ° or 60 °, and the size of the angle may be selected according to the comprehensive consideration of dust prevention, temperature rise test and overall cost.
In the present embodiment, since the present application proposes a dc power distribution device applied to a photovoltaic inverter, specifically including a collective positive row 1, a plurality of hall elements 2, and a plurality of fuses 3 disposed in a negative row 4, and the collective positive row 1 connects one end of all hall elements 2, the other end of each hall element 2 is respectively connected to a corresponding fuse 3 and a plurality of fuses 3 to form a whole negative row 4, each fuse 3 disposed in the negative row 4 forms an inclination angle 6 with the horizontal direction, and the inclination angle 6 ranges from 0 ° to 90 °. Compared with the fuse wire 3 arranged in a straight line in the prior art, the height occupation can be reduced by arranging the fuse wire 3 obliquely, the height of the cabinet 5 arranged by the inverter can be reduced, and the processing cost and the transportation cost are saved.
Example two
In this embodiment, based on the first embodiment, the fuse 3 is provided with the discharge terminals at both ends, and the hall element 2 is sleeved on the discharge terminals of the fuse 3 to realize connection. After each hall element 2 is connected to the discharge terminal of the corresponding fuse 3, connections at equal intervals are set at the collective positive temperature control and dust-proof process.
The hall element 2 is fitted to the discharge terminal of the fuse 3, whereby the fuse 3 and the hall element 2 can be connected to each other. And after all the fuses 3 are connected with the corresponding Hall elements 2, the fuses are connected with the bus bar positive bar through two connecting ends on one side of the Hall elements 2. And each fuse wire 3 connected in series and the movable Hall element 2 are arranged at equal intervals, so that a certain space is reserved for heat dissipation
In the embodiment, the fuse wire 3 is obliquely arranged to form a certain included angle with the horizontal direction, the included angle ranges from 0 degree to 90 degrees, and the size of the included angle can be selected according to comprehensive consideration of dust prevention, temperature rise tests and the cost of the whole machine. Further, discharge terminals are provided at both ends of the fuse 3, and the hall element 2 and the fuse 3 can be connected by fitting the hall element 2 to the discharge terminals of the fuse. Dustproof, the 5 circumstances such as height of rack can be taken into account comprehensively to this embodiment, more are applicable to photovoltaic inverter, and can reduce the mounting height of rack 5, reduce processing cost and cost of transportation.
EXAMPLE III
The embodiment also provides a photovoltaic inverter, which comprises the direct current power distribution device applied to the photovoltaic inverter in any one of the above embodiments.
In an embodiment of the utility model, the photovoltaic inverter comprises a direct current power distribution device applied to the photovoltaic inverter. The direct-current power distribution device applied to the photovoltaic inverter specifically comprises a collective positive row 1, a plurality of Hall elements 2 and a plurality of fuses 3 arranged on a negative row 4, the collective positive row 1 is connected with one end of all the Hall elements 2, the other end of each Hall element 2 is respectively connected with the corresponding fuses 3 and the plurality of fuses 3 to form the whole negative row 4, each fuse 3 arranged on the negative row 4 forms an inclination angle 6 with the horizontal direction, and the range of the inclination angle 6 is 0-90 degrees. Arrange fuse 3 in line for prior art in, arrange through inclining fuse 3, can reduce highly to occupy, can reduce the height of the rack 5 that the inverter set up, practice thrift processing cost and cost of transportation. Therefore, the photovoltaic inverter provided by the embodiment can also achieve the above embodiments and achieve the same technical effects.
The terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures are intended to cover a non-exclusive inclusion. The terms "first," "second," and the like in the description and claims of this application or the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The direct-current power distribution device applied to the photovoltaic inverter comprises a summary positive row, a plurality of Hall elements and a plurality of fuses arranged on a negative row, wherein the summary positive row is connected with one ends of all the Hall elements, the other end of each Hall element is respectively connected with a plurality of corresponding fuses to form the whole negative row, and the direct-current power distribution device is characterized in that each fuse arranged on the negative row forms an inclination angle with the horizontal direction, and the inclination angle ranges from 0 degree to 90 degrees.
2. The direct-current power distribution device applied to the photovoltaic inverter as claimed in claim 1, wherein discharge terminals are disposed at two ends of the fuse, and the hall element is sleeved on the discharge terminals of the fuse to realize connection.
3. The dc power distribution apparatus applied to a photovoltaic inverter according to claim 2, wherein after each of the hall elements is connected to the drain terminal of the corresponding fuse, equally spaced connections are provided at the collective positive line.
4. A photovoltaic inverter, characterized by comprising a dc power distribution device applied to a photovoltaic inverter as claimed in any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091785.8U CN217036750U (en) | 2022-01-13 | 2022-01-13 | Direct-current power distribution device applied to photovoltaic inverter and photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091785.8U CN217036750U (en) | 2022-01-13 | 2022-01-13 | Direct-current power distribution device applied to photovoltaic inverter and photovoltaic inverter |
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| Publication Number | Publication Date |
|---|---|
| CN217036750U true CN217036750U (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220091785.8U Active CN217036750U (en) | 2022-01-13 | 2022-01-13 | Direct-current power distribution device applied to photovoltaic inverter and photovoltaic inverter |
Country Status (1)
| Country | Link |
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| CN (1) | CN217036750U (en) |
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- 2022-01-13 CN CN202220091785.8U patent/CN217036750U/en active Active
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