Discrete IGBT module structure

Abstract

The utility model belongs to the technical field of power electronics, and discloses a discrete IGBT module structure which comprises a module bottom plate, a water cooling plate assembly is arranged in the middle of the top of the module bottom plate, and the water cooling plate assembly can be adjusted according to different conditions through the arrangement of an air cylinder, a main rotating plate, a first connecting rod and a spring rod. An air cylinder is arranged to drive an inner plate, when the inner plate is driven by the air cylinder to move, it is ensured that a sleeve plate and the inner plate can be unfolded inwards or outwards according to needs through cooperative work of a main rotating plate and a first connecting rod, and therefore the water cooling plate assembly is adjusted; according to the water-cooling plate assembly, supporting and buffering can be provided in the inward or outward movement process of the water-cooling plate assembly, it is ensured that the whole adjusting process is stable and reliable, and therefore the water-cooling plate assembly can be flexibly adjusted according to the specific requirements of different discrete IGBT modules, and the optimal cooling effect is achieved.

Description

Technical Field

[0001] This utility model belongs to the field of power electronics technology, specifically a discrete IGBT module structure. Background Technology

[0002] In today's power electronics field, with the rapid development of industries such as industrial automation, new energy power generation, and electric vehicles, the requirements for the performance and reliability of power semiconductor devices are becoming increasingly stringent. IGBT, as an important power semiconductor device, is widely used in various power electronic conversion circuits.

[0003] However, existing IGBT modules typically employ an integrated structure. While this structure offers certain advantages, it also has some drawbacks. To address these issues, discrete IGBT module structures have emerged. However, discrete IGBT module structures still have their limitations. For instance, the water-cooling plate in one type of discrete IGBT module is an integrated structure, resulting in poor flexibility. It cannot be adjusted to accommodate discrete IGBT modules of different sizes, which can lead to problems such as insufficient water-cooling plate area or incomplete installation of the discrete IGBT module. Therefore, improvements are needed. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a discrete IGBT module structure that can solve the problem of integrated water-cooled plates.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a discrete IGBT module structure, including a module base plate, a water-cooled plate assembly disposed in the middle of the top of the module base plate, a cylinder fixedly connected to one side of the bottom of the water-cooled plate assembly, a main rotating plate rotatably connected to the middle of the bottom of the water-cooled plate assembly, a first connecting rod rotatably connected to one side of the main rotating plate, a spring rod fixedly connected to the side of the water-cooled plate assembly near the cylinder, and a second connecting rod rotatably connected to one side of the spring rod;

[0006] The water-cooled plate assembly consists of a sleeve plate, a slider, and an inner plate. The sleeve plate has a groove inside that matches the slider, and the outer diameter of the inner plate matches the inner diameter of the sleeve plate.

[0007] Preferably, a pipe joint is fixedly connected to one side of the water-cooled plate assembly, and a fuse plate is provided on one side of the top of the module base plate.

[0008] A pipe connector is fixedly connected to one side of the water-cooled plate assembly. The pipe connector is used to connect the inlet and outlet hoses of the water-cooled plate assembly. A fuse plate is provided on one side of the top of the module base plate to facilitate the fixing of the fuse.

[0009] Preferably, an isolation column is fixedly connected to the side of the fuse board near the module base plate, and a signal board is provided on the top of the module base plate near the water-cooled plate assembly.

[0010] The isolation post located on the side of the fuse near the module base plate facilitates the fixing and support of the multi-layer fuse board, while the signal board on the module base plate facilitates the connection of signal lines.

[0011] Preferably, a single discrete IGBT is movably connected inside the water-cooled plate assembly, and a cooling pipe is provided inside the water-cooled plate assembly on the side close to the single discrete IGBT.

[0012] Preferably, there are two first connecting rods and four second connecting rods, and the first and second connecting rods are rotatably connected by a pivot.

[0013] Preferably, the spring rod consists of a telescopic rod, a sliding rod, and a spring, wherein the inner diameter of the sliding rod is adapted to the outer diameter of the telescopic rod.

[0014] Preferably, one side of the cylinder is fixedly connected to the inner plate of the water-cooled plate assembly, the two first connecting rods are fixedly connected to the sleeve plate and the inner plate on the side away from the main rotating plate, and the four second connecting rods are fixedly connected to the sleeve plate and the inner plate on the side away from the spring rod.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] This invention, through the arrangement of a cylinder, a main rotating plate, a first connecting rod, and a spring rod, enables the water-cooled plate assembly to be adjusted according to different situations. The cylinder drives the inner plate, and as the inner plate moves under the cylinder's influence, the coordinated operation of the main rotating plate and the first connecting rod ensures that the sleeve plate and the inner plate can unfold inwards or outwards as needed, thereby adjusting the water-cooled plate assembly. Furthermore, during the adjustment process, the spring rod at the bottom of the water-cooled plate assembly provides support and cushioning as the assembly moves inwards or outwards, ensuring a smooth and reliable adjustment process. This allows for flexible adjustment of the water-cooled plate assembly according to the specific needs of different discrete IGBT modules, achieving the best cooling effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the water-cooled plate assembly structure of this utility model;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 This is an exploded view of the water-cooled plate assembly of this utility model.

[0021] In the diagram: 001, module base plate; 002, water-cooled plate assembly; 003, pipe connector; 004, fuse board; 005, isolation column; 006, signal board; 007, single discrete IGBT; 008, cylinder; 009, main rotating plate; 010, first connecting rod; 011, spring rod; 012, cooling pipe; 013, second connecting rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1 to 4 As shown, this utility model provides a discrete IGBT module structure, including a module base plate 001, a water-cooled plate assembly 002 disposed in the middle of the top of the module base plate 001, a cylinder 008 fixedly connected to one side of the bottom of the water-cooled plate assembly 002, a main rotating plate 009 rotatably connected to the middle of the bottom of the water-cooled plate assembly 002, a first connecting rod 010 rotatably connected to one side of the main rotating plate 009, a spring rod 011 fixedly connected to the side of the water-cooled plate assembly 002 near the cylinder 008, and a second connecting rod 013 rotatably connected to one side of the spring rod 011.

[0024] The water-cooled plate assembly 002 consists of a sleeve plate, a slider, and an inner plate. The sleeve plate has a groove inside that matches the slider, and the outer diameter of the inner plate matches the inner diameter of the sleeve plate.

[0025] The inner plate is driven by cylinder 008. When the inner plate moves under the drive of cylinder 008, the main rotating plate 009 and the first connecting rod 010 work together to allow the sleeve plate and the inner plate to unfold inward or outward as needed, thereby adjusting the water-cooled plate assembly 002. During the adjustment process, the spring rod 011 at the bottom of the water-cooled plate assembly 002 can provide support and buffer when it moves inward or outward, thereby adjusting the water-cooled plate assembly according to the needs of different IGBT modules.

[0026] like Figure 1As shown, a pipe connector 003 is fixedly connected to one side of the water-cooled plate assembly 002, a fuse board 004 is provided on one side of the top of the module base plate 001, an isolation column 005 is fixedly connected to the side of the fuse board 004 near the module base plate 001, and a signal board 006 is provided on the top of the module base plate 001 near the side of the water-cooled plate assembly 002.

[0027] The above scheme is adopted as follows: a pipe connector 003 is fixedly connected to one side of the water-cooled plate assembly 002. The pipe connector 003 is used to connect the inlet and outlet hoses of the water-cooled plate assembly 002. A fuse plate 004 is provided on one side of the top of the module base plate 001. The fuse plate 004 is provided to facilitate the fixing of fuses. An isolation post 005 is provided on the side of the fuse plate 004 near the module base plate 001 to facilitate the fixing and support of the multi-layer fuse plate 004. A signal plate 006 is provided on the module base plate 001 to facilitate the connection of signal lines.

[0028] like Figure 2 , Figure 4 As shown, a single discrete IGBT 007 is movably connected inside the water-cooled plate assembly 002. A cooling pipe 012 is provided inside the water-cooled plate assembly 002 on the side close to the single discrete IGBT 007. The number of first connecting rods 010 is set to two, and the number of second connecting rods 013 is set to four. The first connecting rods 010 and the second connecting rods 013 are rotatably connected by a rotating shaft.

[0029] The above-mentioned solution involves a single discrete IGBT 007 internally connected to the water-cooled plate assembly 002. This unique design enables the water-cooled plate assembly 002 to achieve superior heat dissipation performance and higher reliability. Inside the water-cooled plate assembly 002, near the single discrete IGBT 007, a cooling pipe 012 is installed. The function of this cooling pipe 012 is to directly remove the heat generated by the module, thereby effectively reducing the module's temperature and ensuring its optimal operation. The first link 010 and the second link 013 are configured as two and four, respectively. These links are connected together by a pivot, allowing for more flexible and smooth operation. This design not only facilitates the operation of the links but also drives the operation between the inner plate and the outer plate, thereby ensuring the efficient and stable operation of the entire system. Through this carefully designed structure, the water-cooled plate assembly 002 can better perform its heat dissipation function while maintaining the high reliability and stability of the entire system.

[0030] like Figure 3 , Figure 4As shown, the spring rod 011 consists of a telescopic rod, a sliding rod, and a spring. The inner diameter of the sliding rod is matched with the outer diameter of the telescopic rod. One side of the cylinder 008 is fixedly connected to the inner plate inside the water-cooled plate assembly 002. The two first connecting rods 010 are fixedly connected to the sleeve plate and the inner plate on the side away from the main rotating plate 009. The four second connecting rods 013 are fixedly connected to the sleeve plate and the inner plate on the side away from the spring rod 011.

[0031] The above-mentioned scheme is adopted: the spring rod 011 is composed of a telescopic rod, a sliding rod, and a spring, so that when the water-cooled plate assembly 002 is adjusted, the sliding rod can drive the spring to slide on the telescopic rod. The inner diameter of the sliding rod is adapted to the outer diameter of the telescopic rod. This design allows the sliding rod to slide on the surface of the telescopic rod, thereby achieving a smooth adjustment. One side of the cylinder 008 is fixedly connected to the inner plate inside the water-cooled plate assembly 002. This connection method facilitates the movement of the inner plate through the setting of the cylinder 008. The first connecting rod 010 and the second connecting rod 013 are respectively connected to the inner plate and the sleeve plate inside the water-cooled plate assembly 002. This overall structural design allows the various components to work together, thereby improving the operation. Through this structural design, the water-cooled plate assembly 002 can be directly adjusted, improving the efficiency and accuracy of adjustment.

[0032] Working principle and usage process of this utility model:

[0033] First, the cylinder 008 drives the inner plate, so that the first connecting rod 010 connected to the inner plate can be adjusted by the main rotating plate 009. This allows the water-cooled plate assembly 002 to adjust the spacing according to different individual discrete IGBTs 007. When the spacing of the water-cooled plate assembly 002 is adjusted, the spring rod 011 on one side can play a supporting and buffering role, which facilitates better adjustment of the spacing between the water-cooled plate assemblies 002.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A discrete IGBT module structure, comprising a module base plate (001), characterized in that: A water-cooled plate assembly (002) is provided at the center of the top of the module base plate (001). A cylinder (008) is fixedly connected to one side of the bottom of the water-cooled plate assembly (002). A main rotating plate (009) is rotatably connected to the center of the bottom of the water-cooled plate assembly (002). A first connecting rod (010) is rotatably connected to one side of the main rotating plate (009). A spring rod (011) is fixedly connected to the side of the water-cooled plate assembly (002) near the cylinder (008). A second connecting rod (013) is rotatably connected to one side of the spring rod (011). The water-cooled plate assembly (002) consists of a sleeve plate, a slider, and an inner plate. The sleeve plate has a groove inside that matches the slider, and the outer diameter of the inner plate matches the inner diameter of the sleeve plate.

2. The discrete IGBT module structure according to claim 1, characterized in that: A pipe joint (003) is fixedly connected to one side of the water-cooled plate assembly (002), and a fuse plate (004) is provided on one side of the top of the module base plate (001).

3. The discrete IGBT module structure according to claim 2, characterized in that: An isolation column (005) is fixedly connected to the side of the fuse board (004) near the module base plate (001), and a signal board (006) is provided on the top of the module base plate (001) near the side of the water-cooled plate assembly (002).

4. The discrete IGBT module structure according to claim 1, characterized in that: The water-cooled plate assembly (002) is internally connected to a single discrete IGBT (007), and a cooling pipe (012) is provided inside the water-cooled plate assembly (002) on the side close to the single discrete IGBT (007).

5. The discrete IGBT module structure according to claim 1, characterized in that: The number of the first link (010) is set to two, and the number of the second link (013) is set to four. The first link (010) and the second link (013) are rotatably connected by a rotating shaft.

6. The discrete IGBT module structure according to claim 1, characterized in that: The spring rod (011) consists of a telescopic rod, a sliding rod, and a spring, and the inner diameter of the sliding rod is adapted to the outer diameter of the telescopic rod.

7. The discrete IGBT module structure according to claim 1, characterized in that: One side of the cylinder (008) is fixedly connected to the inner plate inside the water-cooled plate assembly (002), the two first connecting rods (010) are fixedly connected to the sleeve plate and inner plate on the side away from the main rotating plate (009), and the four second connecting rods (013) are fixedly connected to the sleeve plate and inner plate on the side away from the spring rod (011).

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