SOI transverse super junction power MOSFET device
By introducing a retractable and rotatable pin structure and a convenient cover plate design into SOI lateral superjunction power MOSFET devices, the problems of difficult device structure fixation and disassembly are solved, improving the applicability and maintenance convenience of the devices.
Patent Information
- Application Number
- CN202520082353.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Existing SOI lateral superjunction power MOSFET devices have fixed pin structures and limited functions, making them difficult to adjust, prone to damage, and inconvenient to disassemble and repair, resulting in poor practicality.
A structure comprising an outer shell, a mounting base, a pin assembly, and a cover plate assembly is designed. The extension, retraction, and rotation of the pins are achieved through guide sliders and limit blocks, while the cover plate is easily disassembled and assembled by combining insertion slots and fixing bolts, thereby improving the applicability and ease of maintenance of the device.
It enables flexible pin adjustment and convenient assembly and disassembly of components, improving the applicability and practicality of the components, adapting to various installation and connection requirements, and simplifying the maintenance process.
Smart Images
Figure CN223816413U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to MOSFET device related field, especially a kind of SOI lateral super-junction power MOSFET device. BACKGROUND
[0002] SOI lateral super-junction is a kind of power semiconductor device, by introducing PN junction to traditional "resistance type" voltage-withstanding layer, make it change into "junction type voltage-withstanding layer", so break through the limit relation between traditional power device specific on-resistance and withstand voltage, using SOI lateral super-junction power's MOSFET device is widely used in electronic circuit, especially in digital circuit and analog circuit, its superior performance occupies important position in power semiconductor market;
[0003] Most of the SOI lateral super-junction power MOSFET devices in the prior art have fixed structure and single function, the pin structure is designed vertically or parallel on the side of the device, cannot be flexibly adjusted, the effect is poor in actual use, cannot adapt to different use and connection requirements, is easy to be damaged during non-use period, the practicability is poor, simultaneously, the existing SOI lateral super-junction power MOSFET device also does not have the quick shell dismounting capacity, is inconvenient to overhaul the inside of device, can only be replaced, therefore, we need to upgrade and transform on the basis of prior art to overcome the existing problems and deficiencies. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a kind of SOI lateral super-junction power MOSFET device, including device ontology, the device ontology contains shell, mounting seat, pin assembly and cover plate assembly, the shell upper end is provided with connecting block, the shell upper end is equipped with the insertion slot and is equipped with fixed hole outside insertion slot, the mounting seat is fixed in shell bottom, the mounting seat two sides are equipped with several movable grooves and are equipped with guide sliding groove on movable groove two sides inner wall, the guide sliding groove outer end lower part is provided with limit hole, the pin assembly is connected in movable groove, the cover plate assembly is set in insertion slot.
[0005] Further, the pin assembly includes a pin rod, the pin rod is provided with two groups of guide sliding blocks at one end, the pin rod is provided with a protective sleeve at the other end, and the protective sleeve is provided with two groups of limiting blocks outside.
[0006] Further, the cover plate assembly includes an insertion cover, the insertion cover is provided with a sealing cover at the upper end, the insertion cover and the sealing cover are provided with an outer cover plate at the outer end, two groups of connecting holes are symmetrically provided at the two sides of the outer cover plate, and a fixing bolt is installed in the connecting hole.
[0007] Further, the pin rod is mounted in the movable slot, the guide sliding block is slidably arranged in the guide sliding slot, the protective sleeve is inserted at the outer end of the movable slot, and the limiting block is elastically clamped in the limiting hole.
[0008] Further, the plug-in cover and the sealing cover are mounted in the plug-in slot, and the sealing cover is provided with a sealing ring.
[0009] Further, the outer cover plate is sealingly attached to the outer side of the plug-in slot, the connecting hole is in position correspondence with the fixing hole, the fixing bolt penetrates through the connecting hole and is threadedly connected with the fixing hole.
[0010] Compared with the prior art, the device has the advantages that:
[0011] 1. The device is provided with a mounting seat, a movable slot, a guide sliding slot, a limiting hole, a pin assembly, a pin rod, a guide sliding block, a protective sleeve and a limiting block, the guide sliding block drives the pin rod to stretch and rotate in the movable slot, the protective sleeve and the limiting block limit and protect the pin rod, thereby realizing the contraction protection and extension use of the pin rod, and the pin rod can also be rotated after being extended, so that the device is suitable for various installation and connection requirements and the applicability of the device is improved.
[0012] 2. The device is provided with a plug-in slot, a fixing hole, a cover plate assembly, a plug-in cover, a sealing cover, a sealing ring, an outer cover plate, a connecting hole and a fixing bolt, the plug-in cover and the sealing cover are movably mounted in the plug-in slot, the outer cover plate is fixed to the outer side of the fixing hole through the connecting hole and the fixing bolt, thereby realizing the convenient disassembly and assembly operation of the plug-in cover and the sealing cover, facilitating the maintenance operation of the MOSFET device, and the device is simple in structure, convenient in operation and high in practicability.
[0013] The specific embodiments of the device are disclosed in detail in the following description and drawings, and the principles of the device can be adopted. It should be understood that the embodiments of the device are not limited in scope. The embodiments of the device include many changes, modifications and equivalents within the spirit and scope of the appended claims. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the device, and constitute a part of the specification, and are used to explain the device together with the embodiments of the device, and do not constitute a limitation on the device. In the drawings:
[0015] Figure 1 It is a whole structure schematic view of the SOI lateral super-junction power MOSFET device according to the device.
[0016] Figure 2The utility model provides a kind of working structure schematic diagram of SOI transverse super junction power MOSFET device according to the utility model,
[0017] Figure 3 It is the pin assembly exploded view of SOI transverse super junction power MOSFET device according to the utility model,
[0018] Figure 4 It is the cover plate assembly exploded view of SOI transverse super junction power MOSFET device according to the utility model.
[0019] In the figure: 1, device body; 2, outer shell; 21, connecting block; 22, plug-in slot; 23, fixed hole; 3, mounting seat; 31, movable slot; 32, guide sliding groove; 33, limiting hole; 4, pin assembly; 41, pin rod; 42, guide sliding block; 43, protective sleeve; 44, limiting block; 5, cover plate assembly; 51, plug-in cover; 52, sealing cover; 53, sealing ring; 54, outer cover plate; 55, connecting hole; 56, fixed bolt. DETAILED DESCRIPTION
[0020] To make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0021] As Figure 1 The utility model provides a kind of SOI transverse super junction power MOSFET device provided in the embodiment, including device body 1, device body 1 includes outer shell 2, mounting seat 3, pin assembly 4 and cover plate assembly 5, outer shell 2 upper end is provided with connecting block 21, outer shell 2 upper end is provided with plug-in slot 22 and is provided with fixed hole 23 outside plug-in slot 22, mounting seat 3 is fixed in outer shell 2 bottom, mounting seat 3 both sides are provided with several movable slots 31 and are provided with guide sliding groove 32 on movable slot 31 both sides inner wall, limiting hole 33 is provided below the outer end of guide sliding groove 32, pin assembly 4 is connected in movable slot 31, cover plate assembly 5 is set in plug-in slot 22.
[0022] Preferably, pin assembly 4 includes pin rod 41, two groups of guide sliding blocks 42 are provided at one end of pin rod 41, protective sleeve 43 is provided at the other end of pin rod 41 and is provided with two groups of limiting blocks 44 outside protective sleeve 43, pin rod 41 is installed in movable slot 31, guide sliding block 42 is slidably located in guide sliding groove 32, protective sleeve 43 is plugged in the outer end of movable slot 31, limiting block 44 is elastically clamped in limiting hole 33;
[0023] The pin rod 41 is driven to slide in the direction of the guide sliding groove 32 by the guide sliding block 42, so that the pin rod 41 is telescopic and rotatable in the movable groove 31, the pin rod 41 is limited and protected in contraction by the protective sleeve 43 and the limiting block 44, and then the contraction protection and extension use of the pin rod 41 can be realized, the pin rod 41 can also be extended and rotated for use, and the pin rod 41 can be conveniently adapted to various installation and connection requirements, and the application ability of the device is improved.
[0024] Preferably, the cover plate assembly 5 comprises a plug-in cover 51, the upper end of the plug-in cover 51 is provided with a sealing cover 52, the outer end of the plug-in cover 51 and the sealing cover 52 is provided with an outer cover plate 54, two groups of connecting holes 55 are symmetrically arranged on the both sides of the outer cover plate 54, and fixing pins 56 are arranged in the connecting holes 55, the plug-in cover 51 and the sealing cover 52 are arranged in the plug-in groove 22, the outer ring of the sealing cover 52 is provided with a sealing ring 53, the outer cover plate 54 is sealingly attached to the outer side of the plug-in groove 22, the connecting holes 55 correspond to the fixed holes 23 in position, and the fixing pins 56 penetrate through the connecting holes 55 and are threadedly connected with the fixed holes 23.
[0025] The plug-in cover 51 and the sealing cover 52 are movably arranged in the plug-in groove 22, the outer cover plate 54 is fixed to the outer side of the fixed hole 23 through the connecting hole 55 and the fixing pin 56, and then the plug-in cover 51 and the sealing cover 52 can be conveniently disassembled and assembled, so that the MOSFET device can be conveniently maintained and repaired, the structure is simple and the operation is convenient, and the practicability of the device is improved.
[0026] The use principle and use process of the utility model are as follows: when in use, first, the protective sleeve 43 and the limiting block 44 are pulled out from the limiting hole 33, the pin rod 41 is extended from the movable groove 31 and the length is adjusted, the guide sliding block 42 is moved in the guide sliding groove 32, the pin rod 41 and the external connection can be conveniently welded or fixed, when the guide sliding block 42 is moved to the outermost end of the guide sliding groove 32, the pin rod 41 can also be rotated, so that the pin rod 41 is perpendicular to the shell 2, different use requirements can be adapted, when the MOSFET device needs to be repaired and replaced, the fixing pin 56 can be taken out from the connecting hole 55 and the fixed hole 23, then the sealing cover 52 and the plug-in cover 51 can be pulled out from the plug-in groove 22, and vice versa after the repair is completed, so that the sealing cover 52 and the plug-in cover 51 can be reinserted and fixed, and the operation is simple and convenient.
[0027] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "connection" and the like should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0028] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "right", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
Claims
1. An SOI lateral superjunction power MOSFET device, characterized in that: The device includes a main body (1), which contains an outer shell (2), a mounting base (3), a pin assembly (4), and a cover plate assembly (5). The upper end of the outer shell (2) is provided with a connecting block (21). The upper end of the outer shell (2) is provided with a plug-in groove (22), and a fixing hole (23) is provided on the outside of the plug-in groove (22). The mounting base (3) is fixed to the bottom of the outer shell (2). Several movable grooves (31) are provided on both sides of the mounting base (3), and guide grooves (32) are provided on the inner walls of both sides of the movable grooves (31). A limit hole (33) is provided below the outer end of the guide groove (32). The pin assembly (4) is connected in the movable groove (31), and the cover plate assembly (5) is disposed in the plug-in groove (22).
2. The SOI lateral superjunction power MOSFET device according to claim 1, characterized in that: The pin assembly (4) includes a pin rod (41), one end of which is provided with two sets of guide sliders (42), and the other end of which is covered with a protective sleeve (43) and two sets of limiting blocks (44) are provided on the outside of the protective sleeve (43).
3. The SOI lateral superjunction power MOSFET device according to claim 1, characterized in that: The cover plate assembly (5) includes a plug-in cover (51), the upper end of which is provided with a sealing cover (52), and the outer ends of the plug-in cover (51) and the sealing cover (52) are provided with an outer cover plate (54). The outer cover plate (54) has two sets of connecting holes (55) symmetrically opened on both sides, and fixing bolts (56) are installed in the connecting holes (55).
4. The SOI lateral superjunction power MOSFET device according to claim 2, characterized in that: The pin rod (41) is installed in the movable groove (31), the guide slider (42) slides in the guide groove (32), the protective sleeve (43) is inserted into the outer end of the movable groove (31), and the limiting block (44) is elastically engaged in the limiting hole (33).
5. The SOI lateral superjunction power MOSFET device according to claim 3, characterized in that: The plug cover (51) and the sealing cover (52) are installed in the plug groove (22), and the sealing cover (52) has a sealing ring (53) on its outer ring.
6. The SOI lateral superjunction power MOSFET device according to claim 3, characterized in that: The outer cover plate (54) is sealed and fitted to the outside of the insertion groove (22), the connection hole (55) corresponds to the position of the fixing hole (23), and the fixing bolt (56) passes through the connection hole (55) and is threadedly connected to the fixing hole (23).