Compact water-cooling SVG power device

Abstract

The utility model discloses a compact water-cooling SVG power device, which comprises a bottom shell, an upper cover shell and a connecting frame for connecting the bottom shell and the upper cover shell, a bottom plate is slidably mounted in the bottom shell, a capacitor module is movably mounted on the upper portion of the bottom plate in an inserted mode, and a connecting gland is mounted at the top end of the capacitor module in a clamped mode. And two groups of external plugs are mounted in the connecting frame in an embedded manner. A rolling ball at the bottom of a bottom plate is matched with a sliding groove formed in a bottom shell, so that the whole bottom plate can be pulled out from the interior of the bottom shell, and a capacitor module and a connecting gland can be synchronously pulled out; according to the capacitor module provided by the utility model, a single capacitor group in the capacitor module is more convenient to disassemble and replace, and the air bellow mounted at the upper part of the connecting gland can work to ensure that high temperature in the capacitor module is treated, so that air can circulate, and further, the efficient working state of the capacitor module is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, in particular to a compact water-cooled SVG power device. Background Art

[0002] Currently, static VAR generators (SVGs) are categorized by cooling method as either air-cooled or water-cooled. Water-cooled SVGs offer high protection and a robust heat sink, making them particularly suitable for harsh environments such as strong winds, salt spray, high temperatures, and high humidity, offering significant advantages over air-cooled SVGs. Currently, modular SVG structures are the most common type of SVG product, and the water-cooled power module is a core component of water-cooled SVGs. Its overall size and heat dissipation performance directly impact the overall design and proper operation of the SVG power unit. Integrating the water-cooled heat sink into the SVG power unit remains a challenging task.

[0003] Authorization announcement number CN 209692360 U discloses a compact water-cooled SVG power device, comprising a housing composed of several shell plates, a capacitor assembly, an IGBT assembly, a water-cooled radiator, an intermediate partition, and a laminated busbar. The capacitor assembly is disposed on one of the shell plates of the housing, the capacitor assembly is disposed on one side of the water-cooled radiator, and the intermediate partition is disposed between the capacitor assembly and the water-cooled radiator. The IGBT assembly is disposed on the water-cooled radiator on a side opposite the capacitor assembly. One end of the laminated busbar is connected to the capacitor assembly, and the other end of the laminated busbar extends to and is connected to the IGBT assembly. The rational arrangement of the various components within the inner cavity provides effective heat dissipation, greatly optimizes the layout, makes the structure more compact, and saves space. Furthermore, protection isolation can be provided based on electrical operating characteristics to prevent mutual interference and reduce damage caused by explosions caused by faults.

[0004] The above patent still has some problems during use. The capacitor module cannot be easily replaced, so when a single capacitor group is damaged, the entire capacitor module can only be removed, resulting in increased usage costs. Therefore, a compact water-cooled SVG power device is now needed. Utility Model Content

[0005] The purpose of the present utility model is to provide a compact water-cooled SVG power device. By providing a sliding bottom plate, the capacitor module can be withdrawn from the bottom shell, so that a single capacitor group within a single capacitor module can be independently removed and replaced, thereby solving the technical problems mentioned in the background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a compact water-cooled SVG power device, comprising a bottom shell and an upper cover shell, and a connecting frame for connecting the bottom shell and the upper cover shell;

[0007] A bottom plate is slidably installed inside the bottom case, a capacitor module is movably inserted and installed on the upper part of the bottom plate, and a connection gland is snap-fitted and installed at the top end of the capacitor module;

[0008] Two external plugs are embedded and installed inside the connection frame;

[0009] An installation seat is installed inside the upper cover case, a water cooling box is installed in the middle of the installation seat, and a group of IGBT components are respectively installed on both sides of the water cooling box inside the installation seat. The two groups of IGBT components are respectively electrically connected and installed with both ends of the capacitor module.

[0010] Preferably, a plurality of groups of chutes are equidistantly opened on the inner wall of the bottom case. There are two groups of connection frames, and two positioning grooves are opened inside each group of connection frames. Each group of external plugs is snapped into the positioning grooves for fixed installation.

[0011] Preferably, a plurality of groups of balls are embedded and installed at the positions of the bottom of the bottom plate corresponding to each group of chutes. An installation groove is penetrated through the bottom plate corresponding to the position of the capacitor module, and a ventilation window is penetrated through each installation groove.

[0012] Preferably, a plurality of groups of connection grooves are opened at the bottom of the connection gland corresponding to the capacitor module. The capacitor module is inserted and installed with the connection grooves. Four elastic connection seats are installed on both sides of the connection gland corresponding to the positions of each group of external plugs. The elastic connection seats are elastically snapped into the internal part of the external plugs.

[0013] Preferably, a wind box is covered on the top end of the connection gland. A plurality of groups of air outlet sockets are arranged at the bottom of the wind box. The air outlet sockets are inserted and installed with the connection gland.

[0014] Preferably, side grooves are respectively opened on both sides of the bottom case and the upper cover case. An air outlet is penetrated through the top end of the upper cover case, and a filter screen is embedded inside the air outlet.

[0015] Preferably, an installation plate is installed inside the upper cover case. The installation seat is installed on the upper part of the installation plate. The output end of the water cooling box penetrates through the installation plate.

[0016] Compared with the prior art, the beneficial effects of the present utility model are:

[0017] 1. Through the cooperation of the balls at the bottom of the bottom plate and the chutes opened inside the bottom case, the whole bottom plate can be drawn out from the inside of the bottom case, so that the capacitor module and the connection gland can be drawn out synchronously. Since the connection gland connects the internal capacitor groups of the capacitor module in series and is slidably inserted with the external plugs through the elastic connection seats, it is more convenient to remove and replace a single capacitor group inside the capacitor module. And because the wind box installed on the upper part of the connection gland can work to ensure the treatment of the high temperature inside the capacitor module, so that the air can circulate, thereby ensuring the efficient working state of the capacitor module.

[0018] 2. By installing a water-cooling box inside the mounting base, the air entering the device can be cooled, and at the same time, by setting the water-cooling box to cool the IGBT components on both sides, the stability of the IGBT components during use can be ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic diagram of the overall internal structure of the present utility model;

[0021] Figure 3 is a schematic diagram of the installation structure of the capacitor module of the present utility model;

[0022] Figure 4 is a schematic exploded view of the installation structure of the connecting gland of the present utility model;

[0023] Figure 5 is a schematic diagram of the overall structure of the external plug of the present utility model;

[0024] Figure 6 is a schematic diagram of the bottom structure of the bottom plate of the present utility model;

[0025] Figure 7 is a schematic exploded view of the installation structure of the air box of the present utility model;

[0026] Figure 8 is a schematic exploded view of the installation structure of the mounting base of the present utility model.

[0027] In the figure: 1. Bottom shell; 2. Upper cover shell; 3. Connecting frame; 4. Positioning groove; 5. External plug; 6. Slide groove; 7. Bottom plate; 8. Ball; 9. Ventilation window; 10. Capacitor module; 11. Connecting gland; 12. Connecting groove; 13. Elastic connecting seat; 14. Air box; 15. Air outlet socket; 16. Side groove; 17. Air outlet; 18. Filter screen; 19. Mounting plate; 20. Mounting base; 21. Water-cooling box; 22. IGBT component; 23. Protection baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. [[ID=*46]]

[0029] Such as Figures 1-8As shown in the figure, the utility model provides a compact water-cooled SVG power device, which includes a bottom case 1, an upper cover case 2, and a connecting frame 3 for connecting the bottom case 1 and the upper cover case 2; a bottom plate 7 is slidably installed inside the bottom case 1, and a capacitor module 10 is movably inserted and installed on the upper part of the bottom plate 7, and a connecting gland 11 is snap-fitted and installed at the top end of the capacitor module 10; two groups of external plugs 5 are embedded and installed inside the connecting frame 3; an installation seat 20 is installed inside the upper cover case 2, a water-cooling box 21 is installed in the middle of the installation seat 20, and a group of IGBT components 22 are respectively installed on both sides of the water-cooling box 21 inside the installation seat 20, and the two groups of IGBT components 22 are respectively electrically connected and installed with both ends of the capacitor module 10.

[0030] A number of groups of sliding grooves 6 are equidistantly opened on the inner wall of the bottom case 1. There are two groups of connecting frames 3, and two groups of positioning grooves 4 are opened inside each group of connecting frames 3. Each group of external plugs 5 is snapped into the positioning grooves 4 for fixed installation. The sliding grooves 6 opened at the bottom of the bottom case 1 cooperate with the rolling balls 8 embedded at the bottom of the bottom plate 7, so that the whole bottom plate 7 can be pulled out from the inside of the bottom case 1, so that the capacitor module 10 and the connecting gland 11 can be synchronously pulled out. And because the connecting gland 11 is pressed on the upper part of the capacitor module 10, after the bottom plate 7 is pulled out of the inside of the bottom case 1, lifting the connecting gland 11 can complete the replacement of a single capacitor group inside the capacitor module 10. The positioning grooves 4 opened inside the connecting frame 3 and the external plugs 5 inserted inside the positioning grooves 4 are used in cooperation with the elastic connecting seats 13 on the outer side of the connecting gland 11, and can be connected to the capacitor module 10 from the outside for use, making the overall use of the device more convenient.

[0031] A number of groups of rolling balls 8 are embedded and installed at the positions of the bottom plate 7 corresponding to each group of sliding grooves 6. Installation grooves are penetrated at the positions of the bottom plate 7 corresponding to the capacitor module 10, and a ventilation window 9 is penetrated inside each group of installation grooves. The installation grooves opened on the upper surface of the bottom plate 7 can ensure that the capacitor module 10 is stably and independently inserted to determine the position of the whole capacitor module 10. At the same time, the ventilation window 9 penetrated inside the installation groove can cooperate with the air box 14 to quickly send out the hot air inside the capacitor module 10, so as to improve the efficiency and service life of the capacitor module 10, and avoid the problem that the too high temperature inside the capacitor module 10 cannot be dissipated.

[0032] A number of groups of connecting grooves 12 are opened at the bottom of the connecting gland 11 corresponding to the capacitor module 10, and the capacitor module 10 is inserted and installed with the connecting grooves 12. Four groups of elastic connecting seats 13 are installed on both sides of the connecting gland 11 corresponding to the positions of each group of external plugs 5. The elastic connecting seats 13 are elastically snapped into the inside of the external plugs 5. The connecting grooves 12 opened at the bottom of the connecting gland 11 can ensure that the whole capacitor module 10 is used in series. The elastic connecting seats 13 installed on both sides of the connecting gland 11 can slide inside the inner side of the connecting frame 3 and elastically snap into the inside of the external plugs 5 to complete the electrical connection operation and realize the control of the capacitor module 10.

[0033] It is worth noting that a bellows 14 is provided on the top end of the connecting gland 11. A number of air outlet sockets 15 are provided at the bottom of the bellows 14. The air outlet sockets 15 are inserted and installed with the connecting gland 11. The bellows 14 installed at the top end of the connecting gland 11 cools the connecting gland 11. At the same time, the air outlet sockets 15 installed at the output end of the bellows 14 are inserted into the inside of the connecting gland 11, so that the bellows 14 can stably dissipate heat inside the capacitor module 10.

[0034] Specifically, side grooves 16 are respectively formed on both sides of the bottom case 1 and the upper cover case 2. An air outlet 17 is formed through the top end of the upper cover case 2. A filter screen 18 is embedded and installed inside the air outlet 17. The side grooves 16 formed on both sides of the bottom case 1 and the upper cover case 2 cooperate with the protection baffle 23 to protect the internal structure of the bottom case 1. At the same time, the protection baffle 23 is a plate provided with ventilation holes, which can cooperate with the water cooling box 21 and the bellows 14 to ensure the stability inside the bottom case 1 and the upper cover case 2, and improve the overall use stability of the device.

[0035] In addition, a mounting plate 19 is installed inside the upper cover case 2. The mounting seat 20 is installed on the upper part of the mounting plate 19. The output end of the water cooling box 21 penetrates through the mounting plate 19. The mounting plate 19 installed inside the upper cover case 2 positions the mounting seat 20. The mounting seat 20 protects and positions the water cooling box 21 and the IGBT component 22. At the same time, since the two IGBT components 22 are located on both sides of the water cooling box 21, and the capacitor module 10 inside the bottom case 1 is also cooled by the water cooling box 21, the air passing through the filter screen 18 into the chute 6 can be efficiently cooled to perform efficient temperature reduction treatment on the internal environment of the bottom case 1 and the chute 6.

[0036] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A compact water-cooled SVG power device, characterized in that: It includes a bottom shell (1) and an upper cover shell (2), as well as a connecting frame (3) for connecting the bottom shell (1) and the upper cover shell (2); A bottom plate (7) is slidably installed inside the bottom shell (1), a capacitor module (10) is movably inserted and installed above the bottom plate (7), and a connecting gland (11) is snap-fitted and installed at the top end of the capacitor module (10); Two groups of external plugs (5) are embedded and installed inside the connecting frame (3); An installation seat (20) is installed inside the upper cover shell (2), a water cooling box (21) is installed in the middle of the installation seat (20), and a group of IGBT components (22) are respectively installed on both sides of the water cooling box (21) inside the installation seat (20), and the two groups of IGBT components (22) are respectively electrically connected and installed to both ends of the capacitor module (10).

2. The compact water-cooled SVG power device according to claim 1, wherein: A number of groups of sliding grooves (6) are equidistantly opened on the inner wall of the bottom shell (1), there are two groups of connecting frames (3), and two groups of positioning grooves (4) are opened inside each group of connecting frames (3), and each group of external plugs (5) is snapped into the positioning grooves (4) for fixed installation.

3. A compact water-cooled SVG power device according to claim 2, characterized in that: A number of groups of rolling balls (8) are embedded and installed at the bottom of the bottom plate (7) corresponding to the positions of each group of sliding grooves (6), an installation groove is penetrated through the bottom plate (7) corresponding to the position of the capacitor module (10), and a ventilation window (9) is penetrated through each group of installation grooves.

4. A compact water-cooled SVG power device according to claim 3, characterized in that: A number of groups of connecting grooves (12) are opened at the bottom of the connecting gland (11) corresponding to the capacitor module (10), the capacitor module (10) is inserted and installed with the connecting grooves (12), and four groups of elastic connecting seats (13) are installed on both sides of the connecting gland (11) corresponding to the positions of each group of external plugs (5), and the elastic connecting seats (13) are elastically snapped into the internal of the external plugs (5).

5. A compact water-cooled SVG power device according to claim 4, wherein: A wind box (14) is covered at the top end of the connecting gland (l1), a number of groups of air outlet sockets (15) are arranged at the bottom of the wind box (14), and the air outlet sockets (15) are inserted and installed with the connecting gland (11).

6. A compact water-cooled SVG power device according to claim 5, characterized in that: Side grooves (16) are respectively opened on both sides of the bottom shell (1) and the upper cover shell (2), an air outlet (17) is penetrated through the top end of the upper cover shell (2), and a filter screen (18) is embedded and installed inside the air outlet (17).

7. A compact water-cooled SVG power device according to claim 6, characterized in that: An installation plate (19) is installed inside the upper cover shell (2), the installation seat (20) is installed above the installation plate (19), and the output end of the water cooling box (21) penetrates through the installation plate (19).

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