CN220173114U

CN220173114U - Small-size bidirectional inverter

Info

Publication number: CN220173114U
Application number: CN202321499774.4U
Authority: CN
Inventors: 戴雄
Original assignee: Shenzhen Sinabaide Intelligent Manufacturing Co ltd
Current assignee: Shenzhen Sinabaide Intelligent Manufacturing Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-12
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a small-size bidirectional inverter, which comprises a working assembly, wherein the working assembly comprises an upper mounting plate, a lower mounting plate, and a DC-DC functional module and a DC-AC functional module which are fixedly mounted on opposite surfaces of the upper mounting plate and the lower mounting plate respectively. Through adopting split type integrated configuration, with DC-DC function module and DC-AC function module completely separate, connect two modules in a flexible way through the wire, the two-way function contravariant modules of different input voltage and different output voltage of combination, satisfy the various demands of outdoor removal energy storage, broken traditional one board mode of shaping, fine solved traditional board type many, single board quantity is few, the drawback of being inconvenient for large-scale production, new module adopts the stromatolite combination mode in addition, the effectual size that reduces the module has improved volumetric power density greatly.

Description

Small-size bidirectional inverter

Technical Field

The utility model relates to the technical field of bidirectional inverters, in particular to a small-size bidirectional inverter.

Background

A bi-directional energy storage system typically includes a battery module and a bi-directional inverter. When the system discharges, the battery module supplies power to the bidirectional inverter, the bidirectional inverter works in a discharging state, and alternating current is output to supply power to the load. When the system is charged, the commercial power or other alternating current power supplies power to the bidirectional inverter, the bidirectional inverter works in a charging state, and direct current is output to charge the battery module.

The current battery cells commonly used in the market are ternary lithium and iron lithium, the nominal voltage of each battery cell is 3.7V and 3.2V respectively, the serial numbers of batteries used by different manufacturers are different, the low-voltage direct-current input voltage is various, the bidirectional inverter can generate dozens of hundreds of plate types for meeting the requirements of different input and output voltages and power, the plate types are many, the number of the single plates is small, the large-scale production is not convenient, the production cost and the period are greatly improved, and meanwhile, the bidirectional inverter is large in size and is inconvenient to carry.

For this purpose we propose a bi-directional inverter of small volume.

Disclosure of Invention

The present utility model is directed to a small-sized bi-directional inverter to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a two-way DC-to-AC power inverter of small volume, includes the work subassembly, the work subassembly includes mounting panel and lower mounting panel, and with the DC-DC functional module, the DC-AC functional module of the relative face fixed mounting of mounting panel, lower mounting panel respectively.

Optionally, a support column is fixedly installed in the middle of the bottom of the upper mounting plate, and the bottom of the support column is fixedly installed with the top of the lower mounting plate.

Optionally, the support column includes long cylinder and cup joints the cylinder, long cylinder is located between mounting panel and the lower mounting panel, cup joint the cylinder and set up with the both ends of long cylinder an organic whole, the top cup joint the cylinder and peg graft with the round hole of last mounting panel bottom, another cup joint the cylinder and peg graft with the round hole at mounting panel top down, go up mounting panel and mounting panel down and pass through screw and cup joint cylinder fixed mounting.

Optionally, the DC-DC functional module and the DC-AC functional module are respectively located at two sides of the supporting column, the tops of the DC-DC functional module and the DC-AC functional module are in abutting contact with the bottom of the upper mounting plate, the bottoms of the DC-DC functional module and the DC-AC functional module are in abutting contact with the top of the lower mounting plate, and the electrical components in the DC-DC functional module and the DC-AC functional module are arranged in a stacked combination mode.

Optionally, the middle parts of the upper mounting plate and the lower mounting plate are fixedly provided with a cooling fan, the top of the cooling fan is fixedly arranged at the bottom of the upper mounting plate, and the bottom of the cooling fan is fixedly arranged at the top of the lower mounting plate.

Optionally, the cooling fan is located between the DC-DC functional module and the DC-AC functional module, and two sides of the cooling fan are not in contact with the DC-DC functional module and the DC-AC functional module.

Optionally, the top and the bottom of the DC-DC functional module and the DC-AC functional module are fixedly provided with a fixing plate, and the fixing plate is fixedly installed with the upper mounting plate and the lower mounting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. this little volumetric two-way inverter, through adopting split type integrated configuration, with DC-DC function module and DC-AC function module completely separate, connect two modules in a flexible way through the wire, make up into the two-way function inverter module of different input voltage and different output voltage, satisfy outdoor various demands of removing energy storage, traditional one-plate shaping's mode has been broken, the fine solution traditional board is many, veneer quantity is few, be inconvenient for the drawback of scale production, new module adopts the stromatolite combination mode in addition, the effectual size of reducing the module, volumetric power density has been improved greatly.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a small-sized bi-directional inverter according to the present utility model;

FIG. 2 is an exploded view of the operating components of a low-volume bi-directional inverter of the present utility model;

fig. 3 is a cross-sectional view of an upper mounting plate and a lower mounting plate of a small-sized bi-directional inverter according to the present utility model.

In the figure: 1. a working assembly; 11. an upper mounting plate; 12. a lower mounting plate; 13. a support column; 131. a long cylinder; 132. sleeving a cylinder; 14. a DC-DC functional module; 15. a DC-AC functional module; 16. a fixing plate; 2. a heat radiation fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model provides a small-sized bi-directional inverter, which includes a working assembly 1, wherein the working assembly 1 includes an upper mounting plate 11, a lower mounting plate 12, and a DC-DC functional module 14 and a DC-AC functional module 15 fixedly mounted on opposite sides of the upper mounting plate 11 and the lower mounting plate 12, respectively.

The middle part of the bottom of the upper mounting plate 11 is fixedly provided with a support column 13, and the bottom of the support column 13 is fixedly arranged with the top of the lower mounting plate 12.

The support column 13 includes long cylinder 131 and cup joints cylinder 132, and long cylinder 131 is located between mounting panel 11 and the lower mounting panel 12, cup joints cylinder 132 and the integrative setting in both ends of long cylinder 131, cup joints cylinder 132 and the round hole of last mounting panel 11 bottom of top peg graft, and another cup joints cylinder 132 and the round hole at mounting panel 12 top down, and go up mounting panel 11 and lower mounting panel 12 and cup joint cylinder 132 fixed mounting through the screw.

The DC-DC functional module 14 and the DC-AC functional module 15 are respectively positioned at two sides of the supporting column 13, the tops of the DC-DC functional module 14 and the DC-AC functional module 15 are in abutting contact with the bottom of the upper mounting plate 11, the bottoms of the DC-DC functional module 14 and the DC-AC functional module 15 are in abutting contact with the top of the lower mounting plate 12, the electrical elements in the DC-DC functional module 14 and the DC-AC functional module 15 are arranged in a laminated combination mode, the DC-DC functional module 14 and the DC-AC functional module 15 are completely separated by adopting a split type combination structure, and the two modules are flexibly connected through wires to form a bidirectional functional inversion module with different input voltages and different output voltages, so that various requirements of outdoor mobile energy storage are met, the traditional one-plate forming mode is broken, the defects of multiple traditional plates, few single plates and inconvenience in large-scale production are well overcome.

The middle parts of the upper mounting plate 11 and the lower mounting plate 12 are fixedly provided with the cooling fan 2, the top of the cooling fan 2 is fixedly provided with the bottom of the upper mounting plate 11, and the bottom of the cooling fan 2 is fixedly provided with the top of the lower mounting plate 12.

The heat radiation fan 2 is located between the DC-DC functional module 14 and the DC-AC functional module 15, and both sides of the heat radiation fan 2 are not in contact with the DC-DC functional module 14 and the DC-AC functional module 15.

The top and bottom of the DC-DC functional module 14 and the DC-AC functional module 15 are fixedly mounted with a fixing plate 16, and the fixing plate 16 is fixedly mounted with the upper mounting plate 11 and the lower mounting plate 12.

Working principle: the DC-DC functional module 14 and the DC-AC functional module 15 are completely separated, and are fixedly installed through the upper installation plate 11, the lower installation plate 12 and the supporting columns 13, so that the DC-DC functional module 14 and the electrical components of the DC-AC functional module 15 are nested in a stacked combination mode, the size of the module is effectively reduced, and meanwhile, the heat air in the middle of the DC-DC functional module 14 and the DC-AC functional module 15 is discharged by the cooling fan 2, so that even though the arrangement of the electrical components in the DC-DC functional module 14 and the DC-AC functional module 15 is tight, heat dissipation can be better carried out, and potential safety hazards caused by overheat of the DC-DC functional module 14 and the DC-AC functional module 15 are prevented.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two-way DC-to-AC inverter of small volume, includes work subassembly (1), its characterized in that, work subassembly (1) include upper mounting board (11) and lower mounting board (12), and respectively with upper mounting board (11), the DC-DC function module (14), the DC-AC function module (15) of the opposite face fixed mounting of lower mounting board (12).

2. The small-sized bi-directional inverter according to claim 1, wherein a support column (13) is fixedly installed at the middle part of the bottom of the upper mounting plate (11), and the bottom of the support column (13) is fixedly installed with the top of the lower mounting plate (12).

3. The small-sized bidirectional inverter according to claim 2, wherein the support column (13) comprises a long cylinder (131) and a sleeve cylinder (132), the long cylinder (131) is located between the upper mounting plate (11) and the lower mounting plate (12), the sleeve cylinder (132) is integrally arranged at two ends of the long cylinder (131), the sleeve cylinder (132) above is inserted into a round hole at the bottom of the upper mounting plate (11), the other sleeve cylinder (132) is inserted into a round hole at the top of the lower mounting plate (12), and the upper mounting plate (11) and the lower mounting plate (12) are fixedly mounted with the sleeve cylinder (132) through screws.

4. The bidirectional inverter with small volume according to claim 2, wherein the DC-DC functional module (14) and the DC-AC functional module (15) are respectively located at two sides of the supporting column (13), the top of the DC-DC functional module (14) and the DC-AC functional module (15) are in abutting contact with the bottom of the upper mounting plate (11), the bottom of the DC-DC functional module (14) and the DC-AC functional module (15) are in abutting contact with the top of the lower mounting plate (12), and the electrical components in the DC-DC functional module (14) and the DC-AC functional module (15) are arranged in a stacked combination manner.

5. The bidirectional inverter with small volume according to claim 1, wherein the middle parts of the upper mounting plate (11) and the lower mounting plate (12) are fixedly provided with a cooling fan (2), the top of the cooling fan (2) is fixedly provided with the bottom of the upper mounting plate (11), and the bottom of the cooling fan (2) is fixedly provided with the top of the lower mounting plate (12).

6. A bi-directional inverter of small volume according to claim 5 characterized in that the cooling fan (2) is located between the DC-DC functional module (14) and the DC-AC functional module (15), both sides of the cooling fan (2) not being in contact with the DC-DC functional module (14) and the DC-AC functional module (15).

7. A bi-directional inverter of small volume according to claim 6 characterized in that the top and bottom of the DC-DC functional module (14) and DC-AC functional module (15) are fixedly mounted with a fixed plate (16), the fixed plate (16) being fixedly mounted with the upper mounting plate (11) and the lower mounting plate (12).