CN116406121A - String type energy storage converter device - Google Patents
String type energy storage converter device Download PDFInfo
- Publication number
- CN116406121A CN116406121A CN202310219726.3A CN202310219726A CN116406121A CN 116406121 A CN116406121 A CN 116406121A CN 202310219726 A CN202310219726 A CN 202310219726A CN 116406121 A CN116406121 A CN 116406121A
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- China
- Prior art keywords
- energy storage
- storage converter
- current cable
- converter device
- cable
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- 238000004146 energy storage Methods 0.000 title claims abstract description 119
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
Abstract
The invention provides a serial energy storage converter device which comprises a support frame, a plurality of energy storage converters and a converging box, wherein a placing space is arranged in the support frame, a partition plate is arranged in the placing space to divide the placing space into an upper placing part and a lower placing part, the plurality of energy storage converters are arranged in the upper placing part in parallel, one side of any energy storage converter is connected with a direct current cable, the other side of the energy storage converter is connected with an alternating current cable, the converging box is arranged in the lower placing part, a plurality of through holes are formed in the partition plate, which is close to the direct current cable and the alternating current cable, and the direct current cable and the alternating current cable penetrate through the through holes to be connected with the converging box. Through setting up energy storage converter side by side, and be provided with direct current cable in energy storage converter both sides with alternating current cable, direct current cable with alternating current cable passes the through-hole is direct to be connected with the collection flow box that sets up in lower portion of placing, can reduce the wiring of group's cluster formula energy storage converter device.
Description
Technical Field
The invention relates to the technical field of energy storage devices, in particular to a serial energy storage converter device.
Background
The energy storage converter can control the charging and discharging processes of the storage battery to perform alternating current-direct current conversion, and can directly supply power for an alternating current load under the condition of no power grid.
The energy storage converter device in the prior art is composed of a DC/AC bidirectional converter, a control unit and the like. The energy storage converter controller receives a background control instruction through communication, and controls the converter to charge or discharge the battery according to the sign and the size of the power instruction, so that the active power and the reactive power of the power grid are regulated.
However, the energy storage converter device in the prior art has the technical problem that the connecting wire is long, so that the wiring of the energy storage converter device is complex.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the energy storage converter device in the prior art has a long connecting wire so as to lead the energy storage converter device to have complex wiring.
To this end, the invention provides a series-connected energy storage converter device comprising:
the support frame is internally provided with a placing space, and a partition plate is arranged in the placing space to divide the placing space into an upper placing part and a lower placing part;
the energy storage converters are arranged in the upper placing part in parallel, one side of any energy storage converter is connected with a direct current cable, and the other side of the energy storage converter is connected with an alternating current cable;
and the junction box is arranged in the lower placing part, a plurality of through holes are formed in the side, close to the direct-current cable and the alternating-current cable, of the partition plate, and the direct-current cable and the alternating-current cable penetrate through the through holes and are connected with the junction box.
Optionally, the ac cable is disposed opposite the dc cable.
Optionally, the protection covers are arranged on two sides of any energy storage converter, the alternating current cable and the direct current cable are arranged in the protection covers, a plurality of fans are arranged on one side, close to the collecting box, of any energy storage converter, a plurality of ventilation holes are formed in one side, opposite to the fans, of the energy storage converter, so that forced air cooling is formed between the fans and the ventilation holes to cool the energy storage converter.
Optionally, a supporting piece is arranged between the energy storage converter and the partition plate, so that a ventilation space is formed below the fan, a protection net is arranged around the ventilation space, and the protection net is connected with the supporting frame.
Optionally, the support member is provided with a plurality of fixing members for fixing the energy storage converter.
Optionally, the fixing pieces are T-shaped, so that a limit space suitable for sliding insertion of the energy storage converter is formed between two adjacent T-shaped fixing pieces.
Optionally, the support frame comprises a plurality of angle steel members, and the angle steel members wrap the corners of the energy storage converter.
The series-type energy storage converter device provided by the invention has the following advantages:
1. the invention provides a serial energy storage converter device which comprises a support frame, a plurality of energy storage converters and a converging box, wherein a placing space is arranged in the support frame, a partition plate is arranged in the placing space to divide the placing space into an upper placing part and a lower placing part, the plurality of energy storage converters are arranged in the upper placing part in parallel, one side of any energy storage converter is connected with a direct current cable, the other side of the energy storage converter is connected with an alternating current cable, the converging box is arranged in the lower placing part, a plurality of through holes are formed in the partition plate, which is close to the direct current cable and the alternating current cable, and the direct current cable and the alternating current cable penetrate through the through holes to be connected with the converging box.
The series-connection type energy storage converter device with the structure is characterized in that one side of the energy storage converter is connected with a direct current cable, the other side of the energy storage converter is connected with an alternating current cable, a baffle is close to the direct current cable and the alternating current cable side are all provided with a plurality of through holes, the direct current cable and the alternating current cable penetrate through the through holes and are connected with a bus box arranged in a lower placing part, the direct current cable and the alternating current cable are arranged on two sides of the energy storage converter in parallel, the direct current cable and the alternating current cable penetrate through the through holes and are directly connected with the bus box arranged in the lower placing part, and wiring of the series-connection type energy storage converter device can be reduced.
2. The invention provides a serial energy storage converter device, wherein one side of any energy storage converter, which is close to a converging box, is provided with a plurality of fans, one side of the energy storage converter, which is opposite to the fans, is provided with a plurality of ventilation holes, so that the fans and the ventilation holes form forced air cooling to cool the energy storage converter, and a supporting piece is arranged between the energy storage converter and a partition plate, so that a ventilation space is formed below the fans.
The serial energy storage converter device with the structure is characterized in that a plurality of fans are arranged on one side, close to the collecting box, of the energy storage converter, a plurality of ventilation holes are formed in one side, opposite to the fans, of the energy storage converter, a supporting piece is arranged between the energy storage converter and the partition plate, so that a ventilation space is formed below the fans, and forced air cooling is formed through the fans and the ventilation holes so as to cool the energy storage converter.
3. The invention provides a serial energy storage converter device, wherein an energy storage converter is slidably inserted between T-shaped fixing pieces from the installation direction until the upper side of the right end of the energy storage converter is abutted to the inside of right upper end angle steel of a support frame, and then the left upper end of the energy storage converter is fixed with the left upper end of the support frame through fasteners such as screws, so that the energy storage converter is fixed simply and reliably, the cost is low, and the assembly and disassembly operations are convenient and quick.
4. The invention provides a serial energy storage converter device which is integrally designed, so that the device is convenient to prefabricate and transport.
5. The invention provides a serial energy storage converter device, wherein the distance between two adjacent energy storage converters is 20-30mm.
According to the series-type energy storage converter device with the structure, the space between two adjacent energy storage converters is 20-30mm, so that the space between the energy storage converters is small, and the overall occupied area is reduced.
6. The invention provides a serial energy storage converter device, which is characterized in that a flanging is arranged on the periphery of a partition plate in the direction of a converging box so as to cover the converging box, so that the sealing effect of the converging box is improved, and devices in a cabinet are fully protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the overall structure of a string-type energy storage converter device provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an energy storage converter in a string-type energy storage converter device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a bottom fan of an energy storage converter in a string-type energy storage converter device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a support frame in a string-type energy storage converter device according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the structure at circle A in FIG. 4;
fig. 6 is a schematic structural diagram of a separator in a group string energy storage converter device according to an embodiment of the present invention.
Reference numerals illustrate:
1-a supporting frame;
2-a separator;
3-an energy storage converter; 31-direct current cable; 32-alternating current cable; 33-a fan; 34-vent holes; 35-a protective cover;
4-a junction box;
5-support.
6-a protective net;
7-fixing piece.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides a serial energy storage converter device, as shown in fig. 1 and 4, including support frame 1, support frame 1 is formed by the angle steel welding, and the outline is the rectangle, is equipped with the space of placing in it, is equipped with baffle 2 in the space of placing in order to divide into the space of placing and place portion and lower.
As shown in fig. 4 and 5, two supporting members 5 are fixedly connected above the partition plate 2, the supporting members 5 are channel steel transversely placed on the partition plate 2, the open ends of the two channel steel are mutually close to each other, and four rectangular through grooves are formed in the side walls of the channel steel. Eight angle steels are arranged above the two supporting pieces 5, the six angle steels arranged in the middle are divided into groups, the two angle steels of each group are mutually attached to form a T-shaped fixing piece 7, and the opening ends of the two angle steels arranged on the two sides are all arranged towards the inside of the supporting frame 1.
As shown in fig. 1 and 4, four energy storage converters 3 are arranged in the upper placement part, the energy storage converters 3 are clamped between two adjacent T-shaped fixing pieces 7 during installation, and then the energy storage converters 3 are fixed with the support frame 1 through fasteners such as bolts. It will be appreciated that in other embodiments the energy storage converters 3 may be provided in other numbers and the number of T-shaped fixtures 7 may be varied accordingly.
In this embodiment, the distance between two adjacent energy storage converters 3 is 20-30mm, so as to reduce the overall occupied area of the series string type energy storage converter device.
Further, as shown in fig. 2 and 3, two dc cables 31 are connected to one side of the energy storage converter 3, three ac cables 32 are connected to the other side of the energy storage converter 3, and protective covers 35 are provided on the outer sides of the dc cables 31 and the ac cables 32 in order to protect the dc cables 31 and the ac cables 32 from damage. As shown in fig. 4, two groups of through holes are formed in one side of the separator 2, which is close to the dc cable 31, and three groups of through holes are formed in one side of the separator 2, which is close to the ac cable 32, and the four groups of through holes are formed in one side of the separator, the dc cable 31 and the ac cable 32 pass through the through holes to be connected with the combiner box 4 arranged in the lower placement portion, and the four energy storage converters 3 are arranged in parallel, and the dc cable 31 and the ac cable 32 are arranged on two sides of the energy storage converters 3, and the dc cable 31 and the ac cable 32 pass through the through holes to be directly connected with the combiner box 4 arranged in the lower placement portion, so that wiring of the serial energy storage converter device can be reduced. Wherein, the collection flow box 4 adopts the collection flow box 4 in the prior art.
Further, as shown in fig. 2 and 3, six fans 33 are arranged at the bottom of the energy storage converter 3 near the junction box 4, and ventilation holes 34 are formed around the top of the energy storage converter 3, so that the fans 33 and the ventilation holes form forced air cooling to cool the energy storage converter 3. Meanwhile, a supporting piece 5 is arranged between the energy storage converter 3 and the partition plate 2, so that a ventilation space is formed below the fan 33, a protection net 6 is arranged around the ventilation space, and the protection net 6 is connected with the support frame 1.
It will be appreciated that in other embodiments, other numbers of fans 33 may be used and that vents 34 may be provided in one face of the energy storage converter 3.
As shown in fig. 6, the peripheral side of the partition plate 2 is provided with a flange, and when in installation, the flange is arranged towards the direction of the junction box 4 so as to cover the junction box, thereby improving the sealing effect of the junction box 4 and fully protecting devices in the junction box 4.
During installation, as shown in fig. 4, the energy storage converter 3 is slidably inserted between the T-shaped fixing pieces 7 from left to right until the upper side of the right end of the energy storage converter 3 is abutted to the inside of the right upper end angle steel of the support frame 1, and then the left upper end of the energy storage converter 3 is fixed with the left upper end of the support frame 1 through fasteners such as screws, so that the energy storage converter 3 is fixed simply and reliably, the cost is low, and the assembly and disassembly operations are convenient and quick. Further, in this embodiment, a fixing hole is formed in the upper portion of the energy storage converter 3 and is fixed to the left upper end of the support frame 1, the fastening mode of the energy storage converter 3 cannot be seen from the front view of the outside, the outside is attractive and hidden, and the serial energy storage converter device provided in this embodiment is integrally designed, so that the device is convenient to prefabricate and transport.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (10)
1. A string energy storage converter device, comprising:
a supporting frame (1) is provided with a placing space therein, and a partition board (2) is arranged in the placing space to divide the placing space into an upper placing part and a lower placing part;
the energy storage converters (3) are arranged in the upper placing part in parallel, one side of any energy storage converter (3) is connected with a direct current cable (31), and the other side of the energy storage converter (3) is connected with an alternating current cable (32);
and the junction box (4) is arranged in the lower placing part, a plurality of through holes are formed in the side, close to the direct current cable (31) and the alternating current cable (32), of the partition plate (2), and the direct current cable (31) and the alternating current cable (32) penetrate through the through holes and are connected with the junction box (4).
2. The string energy storage converter device according to claim 1, wherein the ac cable (32) is disposed opposite to the dc cable (31), two sides of any energy storage converter (3) are provided with protective covers (35), and the ac cable (32) and the dc cable (31) are disposed in the protective covers (35).
3. The series-connected energy storage converter device according to claim 1, wherein a plurality of fans (33) are arranged on one side, close to the junction box (4), of any energy storage converter (3), and a plurality of ventilation holes (34) are arranged on one side, opposite to the fans (33), of the energy storage converter (3), so that forced air cooling is formed by the fans (33) and the ventilation holes to cool the energy storage converter (3).
4. A string energy storage converter device according to claim 3, characterized in that a support (5) is arranged between the energy storage converter (3) and the partition (2) so that a ventilation space is formed below the fan (33), and a protective screen (6) is arranged around the ventilation space, the protective screen (6) being connected with the support frame (1).
5. The string energy storage converter device according to claim 4, characterized in that the support (5) is provided with a number of fixing elements (7) for fixing the energy storage converter (3).
6. The string energy storage converter device according to claim 5, characterized in that the fixing members (7) are T-shaped, so that a limit space suitable for sliding insertion of the energy storage converter (3) is formed between two adjacent T-shaped fixing members (7).
7. The string energy storage converter device according to any of claims 1-6, characterized in that the support frame (1) comprises several angle pieces, which angle pieces wrap around corners of the energy storage converter (3).
8. The string energy storage converter device of any of claims 1-6, wherein the string energy storage converter device is of unitary design.
9. A series arrangement of energy storage converters according to claim 8, characterized in that the distance between two adjacent energy storage converters (3) is 20-30mm.
10. The string energy storage converter device according to claim 9, characterized in that the peripheral side of the partition plate (2) is provided with a flange in the direction of the junction box (4) to cover the junction box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310219726.3A CN116406121A (en) | 2023-03-08 | 2023-03-08 | String type energy storage converter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310219726.3A CN116406121A (en) | 2023-03-08 | 2023-03-08 | String type energy storage converter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116406121A true CN116406121A (en) | 2023-07-07 |
Family
ID=87016881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310219726.3A Pending CN116406121A (en) | 2023-03-08 | 2023-03-08 | String type energy storage converter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116406121A (en) |
-
2023
- 2023-03-08 CN CN202310219726.3A patent/CN116406121A/en active Pending
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