CN220935011U

CN220935011U - Off-grid PCS converter

Info

Publication number: CN220935011U
Application number: CN202322049181.4U
Authority: CN
Inventors: 蒲以文; 张冰冰
Original assignee: Chongqing Xiwei Electric Co ltd
Current assignee: Chongqing Xiwei Electric Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-05-10
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses an off-grid PCS converter, which particularly relates to the technical field of converters, and comprises a box body, wherein a converter body is arranged in the box body, a plurality of support rods are uniformly arranged at the bottom of the box body, the cross sections of the support rods are inverted T-shaped, a heat dissipation mechanism is arranged at the top of the box body, the bottom of the connecting pipe penetrates through the box body and extends to the inside of the box body, a fixing plate is arranged in the connecting pipe, and a placing plate is arranged at the bottom of the fixing plate. According to the utility model, through the arrangement of the heat dissipation mechanism, a user can conveniently take down the blocking net from the inside of the connecting pipe to clean, and the user can easily take out the fan blades from the inside of the connecting pipe to clean while taking down the blocking net, so that the cleaning and replacement of the filter screen and the fan blades are facilitated, and the practicability of the device is improved.

Description

Off-grid PCS converter

Technical Field

The utility model relates to the technical field of converters, in particular to an off-grid PCS converter.

Background

The PCS (energy storage converter) CAN control the charging and discharging processes of the storage battery to perform alternating current-direct current conversion, CAN directly supply power for alternating current load under the condition of no power grid, is composed of a DC/AC bidirectional converter, a control unit and the like, and is used for receiving a background control instruction through communication, controlling the converter to charge or discharge the battery according to the sign and the size of the power instruction, realizing the adjustment of active power and reactive power of the power grid, and acquiring the state information of the battery pack through communication between the CAN interface and the BMS, so that the protective charging and discharging of the battery CAN be realized, and the operation safety of the battery is ensured.

In order to ensure the safety of the PCS converter during use, most of the PCS converters in the prior art are generally installed inside a box with a heat sink, but most of the filter screens on the box with the heat sink are generally fixedly installed at corresponding positions, so that the filter screens are difficult to clean when the filter screens need to be cleaned.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides an off-grid PCS converter, which facilitates a user to take down a blocking net for cleaning by setting a heat dissipation mechanism, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the off-grid PCS converter comprises a box body, wherein a converter body is arranged in the box body, a plurality of support rods are uniformly arranged at the bottom of the box body, the cross section shapes of the support rods are inverted T-shaped, and a heat dissipation mechanism is arranged at the top of the box body;

the heat dissipation mechanism comprises a connecting pipe, the bottom of the connecting pipe penetrates through the box body and extends to the inside of the box body, a fixing plate is arranged inside the connecting pipe, and a placing plate is arranged at the bottom of the fixing plate.

In a preferred embodiment, the cross-sectional shape of the placement plate is set to be U-shaped, the placement plate is internally provided with a motor, and the motor output end penetrates through the fixing plate and extends to the outside of the fixing plate.

In a preferred embodiment, the motor output end is provided with a connecting rod, and the connecting rod is sequentially sleeved with a first movable ring, a second movable ring and a fixed ring from top to bottom.

In a preferred embodiment, the first movable ring is sleeved with a blocking net, the second movable ring is annularly provided with a plurality of fan blades, and the top of the connecting rod is provided with a thread groove.

In a preferred embodiment, a screw is arranged inside the thread groove, and a rotating block is arranged at the top of the screw.

In a preferred embodiment, an overhead mechanism is arranged at the bottom of the converter body, the overhead mechanism comprises an overhead plate, and a through hole is formed in the overhead plate.

In a preferred embodiment, a plurality of heat dissipation copper pipes are uniformly arranged in the through hole, a plurality of first fixing rods are arranged at the bottom of the overhead plate, and the bottoms of the first fixing rods are connected with the bottom of the inner wall of the box body.

In a preferred embodiment, two heat dissipation plates are arranged at the top of the overhead plate, and second fixing rods are arranged on opposite sides of the two heat dissipation plates, wherein one ends of the two second fixing rods are connected with one side of the inner wall of the box body, and one ends of the other two second fixing rods are connected with the other side of the inner wall of the box body.

The utility model has the technical effects and advantages that:

Through the arrangement of the heat dissipation mechanism, a user can conveniently take down the blocking net from the inside of the connecting pipe to clean, and the user can easily take out the fan blades from the inside of the connecting pipe to clean when the blocking net is taken down, so that the filter screen and the fan blades are conveniently cleaned and replaced, and the practicability of the device is improved;

Through setting up the overhead mechanism with the converter body built on stilts setting up in the box inside, not only make the converter body obtain more effectual heat dissipation, but also can avoid the converter body top to pile up more heat.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic structural diagram of a heat dissipation mechanism according to the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present utility model.

The reference numerals are: 1. a case; 2. a current transformer body; 3. a support rod; 4. a connecting pipe; 5. a fixing plate; 6. placing a plate; 7. a motor; 8. a connecting rod; 9. a first movable ring; 10. a second movable ring; 11. a fixing ring; 12. a blocking net; 13. a fan blade; 14. a screw; 15. a rotating block; 16. an overhead plate; 17. a heat dissipation copper pipe; 18. a first fixing rod; 19. a heat dissipation plate; 20. and a second fixing rod.

Description of the embodiments

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.

The off-grid PCS converter shown in the accompanying drawings 1-3 comprises a box body 1, wherein a converter body 2 is arranged in the box body 1, a plurality of support rods 3 are uniformly arranged at the bottom of the box body 1, the cross section shapes of the support rods 3 are inverted T-shaped, and a heat dissipation mechanism is arranged at the top of the box body 1;

The cooling mechanism comprises a connecting pipe 4, the bottom of the connecting pipe 4 penetrates through a box body 1 and extends to the inside of the box body 1, a fixing plate 5 is arranged inside the connecting pipe 4, a placing plate 6 is arranged at the bottom of the fixing plate 5, the cross section of the placing plate 6 is U-shaped, a motor 7 is arranged inside the placing plate 6, the output end of the motor 7 penetrates through the fixing plate 5 and extends to the outside of the fixing plate 5, a connecting rod 8 is arranged at the output end of the motor 7, a first movable ring 9, a second movable ring 10 and a fixing ring 11 are sequentially sleeved on the connecting rod 8 from top to bottom, a blocking net 12 is sleeved on the first movable ring 9, a plurality of fan blades 13 are annularly arranged on the second movable ring 10, a thread groove is formed in the top of the connecting rod 8, a screw 14 is arranged inside the thread groove, and a rotating block 15 is arranged at the top of the screw 14 so as to conveniently cool the converter body 2 inside the box body 1 through the cooling mechanism.

As shown in fig. 1, an overhead mechanism is arranged at the bottom of the converter body 2, the overhead mechanism comprises an overhead plate 16, through holes are formed in the overhead plate 16, a plurality of heat dissipation copper pipes 17 are uniformly arranged in the through holes, a plurality of first fixing rods 18 are arranged at the bottom of the overhead plate 16, and the bottoms of the first fixing rods 18 are connected with the bottom of the inner wall of the box body 1 so as to facilitate the converter body to be overhead in the box body 1 through the overhead mechanism.

As shown in fig. 1, two heat dissipation plates 19 are disposed at the top of the overhead plate 16, and second fixing rods 20 are disposed on opposite sides of the two heat dissipation plates 19, wherein one ends of the two second fixing rods 20 are connected with one side of the inner wall of the box 1, and one ends of the second fixing rods 20 on the other two sides are connected with the other side of the inner wall of the box 1, so that the positions of the converter body 2 are limited while the two sides of the converter body 2 are cooled through the heat dissipation plates 19.

The working principle of the utility model is as follows: when the blocking net 12 and the fan blades 13 need to be replaced or cleaned, only the rotating block 15 needs to be held to rotate in a proper direction, the screw rod 14 starts to move upwards to be disconnected with the connecting rod 8 through the rotation of the rotating block 15, after the screw rod 14 is disconnected with the connecting rod 8, the blocking net 12 and the first movable ring 9 can be taken out from the connecting pipe 4 to be cleaned or replaced after the first movable ring 9 is held, and after the blocking net 12 is taken out, the fan blades 13 and the second movable ring 10 can be taken out from the connecting pipe 4 to be cleaned or replaced after the second movable ring 10 is held.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a from net type PCS converter, includes box (1), its characterized in that: the novel power supply box is characterized in that a converter body (2) is arranged inside the box body (1), a plurality of supporting rods (3) are uniformly arranged at the bottom of the box body (1), the cross section shapes of the supporting rods (3) are inverted T-shaped, and a heat dissipation mechanism is arranged at the top of the box body (1);

The heat dissipation mechanism comprises a connecting pipe (4), the bottom of the connecting pipe (4) penetrates through the box body (1) and extends into the box body (1), a fixing plate (5) is arranged in the connecting pipe (4), and a placing plate (6) is arranged at the bottom of the fixing plate (5); the cross section of the placing plate (6) is U-shaped, a motor (7) is arranged inside the placing plate (6), and the output end of the motor (7) penetrates through the fixing plate (5) and extends to the outside of the fixing plate (5); the output end of the motor (7) is provided with a connecting rod (8), and a first movable ring (9), a second movable ring (10) and a fixed ring (11) are sequentially sleeved on the connecting rod (8) from top to bottom; the first movable ring (9) is sleeved with a blocking net (12), the second movable ring (10) is annularly provided with a plurality of fan blades (13), and the top of the connecting rod (8) is provided with a thread groove.

2. The off-grid PCS converter of claim 1 wherein: screw rods (14) are arranged in the thread grooves, and rotating blocks (15) are arranged at the tops of the screw rods (14).

3. The off-grid PCS converter of claim 1 wherein: the transformer is characterized in that an overhead mechanism is arranged at the bottom of the transformer body (2) and comprises an overhead plate (16), and a through hole is formed in the overhead plate (16).

4. The off-grid PCS converter of claim 3 wherein: a plurality of radiating copper pipes (17) are uniformly arranged in the through holes, a plurality of first fixing rods (18) are arranged at the bottoms of the overhead plates (16), and the bottoms of the first fixing rods (18) are connected with the bottoms of the inner walls of the box body (1).

5. The off-grid PCS converter of claim 4 wherein: the top of the overhead plate (16) is provided with two radiating plates (19), two opposite sides of the radiating plates (19) are respectively provided with a second fixing rod (20), one end of each second fixing rod (20) is connected with one side of the inner wall of the box body (1), and one end of each second fixing rod (20) on the other two sides is connected with the other side of the inner wall of the box body (1).