MOS tube assembling and fixing structure, vehicle-mounted power supply and vehicle

Abstract

The utility model relates to a metal oxide semiconductor (MOS) tube assembling and fixing structure, a vehicle-mounted power supply and a vehicle, in particular to a vehicle-mounted power supply MOS tube assembling and fixing structure, the assembling structure comprises a box body and a positioning piece, and the box body is provided with a positioning groove; the positioning piece is provided with an MOS tube, and the positioning piece comprises a convex piece; the convex piece is embedded into the positioning groove; and the positioning piece is fixed on the box body. According to the utility model, the MOS tube is conveniently fixed by adopting a simple structure, so that the installation of the MOS tube is facilitated, and the technical problem that the MOS tube assembling and fixing structure of the traditional new energy automobile power supply device is inaccurate in positioning is solved.

Description

Technical Field

[0001] The utility model relates to a MOS tube fixing structure, in particular to an assembly fixing structure of a vehicle-mounted power MOS tube. Background Art

[0002] With the rapid development of new energy vehicle technology in recent years, new energy vehicle on-board power supply devices have also been widely used. For new energy vehicle on-board power supply devices, the assembly method of some of its components will affect the heat dissipation performance of the components themselves. The traditional assembly method of on-board power supply components is usually: first fix the component that needs heat dissipation to the box, and then weld it to the power board. The current fixing method first fixes the component to the box. In order to accurately position the device pins and the box, plastic parts are required. If the plastic parts are not positioned accurately, the device and the power board cannot be assembled normally, and poor welding will lead to low heat dissipation capacity. Utility Model Content

[0003] The technical problem to be solved by the utility model is that, in view of the above-mentioned defects of the prior art, a MOS tube assembly and fixing structure is provided, which cleverly and conveniently fixes the MOS tube by adopting a simple structure, thereby facilitating the installation, replacement and maintenance of the MOS tube device, reducing the assembly workload and correction time, improving the assembly efficiency and saving labor costs.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a MOS tube assembly and fixing structure, comprising:

[0005] A box body, wherein a positioning groove is provided on the box body;

[0006] A positioning member, on which a MOS tube is installed, the positioning member comprises a convex member; the convex member is embedded in the positioning groove; and the positioning member is fixed on the box body.

[0007] Preferably, the MOS tube assembly fixing structure further includes a pressure strip; the pressure strip includes a pressing end and a fixing end, the pressing end presses the positioning member against the box body, and the fixing end is fixed to the box body.

[0008] Preferably, a plurality of first positioning holes are arranged on the pressing end, a second positioning column is arranged on the positioning member, and the first positioning holes are sleeved on the second positioning column.

[0009] Preferably, a plurality of second positioning holes are provided on the fixed end, and at least part of the second positioning holes are locked and fixed to the box body by bolts.

[0010] Preferably, a plurality of first positioning columns are provided on the fixing portion, and at least part of the second positioning holes are sleeved on the first positioning columns for positioning the box body and the pressure strip.

[0011] Preferably, the second positioning column comprises a first section and a second section, the second section is farther away from the mounting surface and radially larger than the first section; the positioning hole is sleeved in the first section.

[0012] Preferably, the second positioning column includes a plurality of columns, and there are gaps between the plurality of columns.

[0013] Preferably, the MOS tube is fixed on the box body, and the pins on the MOS tube are higher than the box body, so as to facilitate fitting with the power board.

[0014] Preferably, the pressure strip is a flexible member.

[0015] Preferably, the box body is provided with a water channel.

[0016] Preferably, the water channel has a rectangular structure.

[0017] The utility model also provides a MOS tube assembly and fixing structure for a vehicle-mounted power supply.

[0018] The utility model also provides a MOS tube assembly and fixing structure for a vehicle and a MOS tube assembly and fixing structure for a vehicle-mounted power supply.

[0019] By adopting the above scheme, the beneficial effects of the utility model are:

[0020] The utility model designs a MOS tube assembly fixing structure, which completes the positioning of the box body and the positioning piece by opening two positioning grooves at the upper end of the box body and designing a convex piece on the positioning piece, thereby optimizing the assembly sequence.

[0021] The upper end of the pressure strip is sleeved on the positioning column of the positioning piece, and the lower end of the pressure strip completes the positioning of the positioning piece and the box body through some positioning holes, solving the problem of inaccurate positioning. Some positioning holes are locked and reinforced with the box body through bolts.

[0022] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The following drawings of the embodiments of the present application are hereby used as part of the present application for understanding the present application. The drawings show the embodiments of the present application and their descriptions, and are used to explain the principles of the present application. In the drawings,

[0024] Figure 1 This is a schematic diagram of the MOS tube fixing structure of an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the box structure of an embodiment of the utility model;

[0026] Figure 3This is a schematic diagram of the positioning member structure of the utility model embodiment

[0027] Figure 4 This is a schematic diagram of the side structure of the positioning column of an embodiment of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the layering strip according to an embodiment of the utility model;

[0029] Figure 6 This is a schematic diagram of the installation of a power board according to an embodiment of the utility model.

[0030] The accompanying drawings illustrate:

[0031] 1. 11 - box body; 12 - positioning groove; 13 - water channel; 14 - fixing part; 15 - first positioning column; 16 - third positioning hole; 2. 21 - positioning piece; 22 - protrusion; 23 - second positioning column; 3. 31 - pressure strip; 32 - first positioning hole; 33 - second positioning hole; 4. 41 - MOS tube; 5. 51 power board. DETAILED DESCRIPTION

[0032] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application embodiments can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application embodiments, some technical features well known in the art are not described.

[0033] Herein, ordinal numbers such as “first” and “second” cited in the present application are merely identifications and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term “first component” itself does not imply the existence of the “second component”, and the term “second component” itself does not imply the existence of the “first component”.

[0034] In this document, “upper”, “lower”, “front”, “back”, “left”, “right”, etc. are only used to indicate the relative position relationship between related parts, rather than to limit the absolute positions of these related parts.

[0035] In this document, “equal”, “same”, etc. are not strictly limited in a mathematical and / or geometric sense, but also include errors that can be understood by those skilled in the art and are allowed in manufacturing or use.

[0036] Unless otherwise stated, the numerical ranges herein include not only the entire range within its two endpoints but also include several sub-ranges contained therein.

[0037] In order to thoroughly understand the present invention, a detailed structure will be presented in the following description to illustrate the technical solution proposed by the present invention. The optional embodiments of the present invention are described in detail below, but in addition to these detailed descriptions, the present invention may also have other implementations.

[0038] Reference Figure 1-Figure 6 According to the embodiment of the utility model, the MOS tube assembly fixing structure includes a box body 11, a positioning member 21 。

[0039] The housing 11 is provided with a positioning groove 12 . A MOS tube is mounted on a positioning member 21 , and the positioning member 21 includes a protruding member 22 . The protruding member 22 is embedded in the positioning groove 12 . The positioning member 21 is fixed on the housing 11 .

[0040] By opening two positioning grooves 12 at the upper end of the box body 11, and setting a protrusion 22 on the positioning member 21, the shape of the protrusion 22 is consistent with the positioning groove 12, so as to complete the positioning of the box body 11 and the positioning member 21, and optimize the assembly sequence. In other embodiments, the positioning groove 12 can also be opened at the middle and lower ends of the box body 11, the middle end notch is a rectangular parallelepiped structure, and the lower end notch is an inverted outer groove structure. The setting of the protrusion 22 is consistent with the shape of the positioning groove 11, which is convenient for connection and fixation. Furthermore, the slotted structure at the upper end of the box body 11 is an L-shaped inverted structure, and the front end of the protrusion 22 set on the positioning member 21 is synchronously set to an L-shaped inverted structure. The positioning member 21 completes the positioning with the box body 11 through its L-shaped inverted structure, and the fixation is more tight and not easy to fall off.

[0041] Preferably, the MOS tube assembly fixing structure also includes a pressure strip 31, one end of the pressure strip 31 is a fixed end, and the other end is a pressing end, the fixed end and the pressing end are connected to each other, the pressing end presses the positioning member 21 against the box body 11, and the fixed end is fixed to the box body 11. The pressure strip 31 also includes a connecting portion, and the connecting portion is bent, flanging or folded to strengthen and improve the strength of the pressure strip 31, prevent deformation, and avoid rigidity reduction. Preferably, the pressure strip 31 is an elastic member with controllable degrees of freedom and reliable deformation calculation, which can meet mechanical requirements.

[0042] A plurality of first positioning holes 32 are provided on the pressing end, a second positioning column 23 is provided on the positioning member 21, and the first positioning holes 32 are sleeved on the second positioning column 23. Furthermore, a convex rib is added to the pressing end, and the shape of the convex rib can be set to be semicircular and trapezoidal to increase the strength of the pressure strip 31 and reduce deformation.

[0043] Preferably, the second positioning column 23 includes a first section and a second section, the second section is farther away from the mounting surface and radially larger than the first section; the first positioning hole 32 is sleeved in the first section.

[0044] In other embodiments, the second positioning column 23 includes multiple columns, and there are gaps between the multiple columns, which facilitates the separation and fit of the positioning piece 21 and the pressure strip 31. Specifically, the second positioning hole 33 squeezes the second positioning column 22, and the multiple columns of the second positioning column 23 are squeezed by the outside, and the gap is gradually reduced until it fits tightly, and the size is slightly smaller than the aperture of the second positioning hole 33. The second positioning hole 33 completes the connection with the second positioning column 23 and enters the first section area of ​​the column of the second positioning column 23. The pressure around the outer multiple columns disappears, is released and dispersed, and the pressure strip 31 and the positioning piece 21 are fixed.

[0045] Furthermore, the positioning member 21 has a groove, and the pressing end of the pressure strip 31 is inserted into the groove of the positioning member 21 to fix the positioning member 21 to the box body 11. Preferably, the shape of the groove is consistent with the pressing end, and the shape can be rectangular, square, etc.

[0046] A plurality of second positioning holes 33 are provided on the fixed end, and at least some of the second positioning holes 33 are locked and fixed to the box body 11 by bolts.

[0047] Preferably, a plurality of first positioning columns 15 are provided on the box body 11, and at least some of the second positioning holes 33 are sleeved on the first positioning columns 15 for positioning the box body 11 and the pressure strip 31. In other embodiments, the box body 11 and the pressure strip 31 are fixed by bolts and positioned by positioning columns.

[0048] Preferably, the side of the box body 11 facing the positioning member is a fitting surface, and a ceramic gasket is placed on the fitting surface to facilitate the fitting of the positioning member 21 and the box body 11. In other embodiments, a partial gap is left between the fitting surface of the box body 11 and the end where the box body 11 is connected to the pressure strip 31, and the gap can reduce raw materials and save costs. Furthermore, a partial support bar is set in the middle of the gap, and the support bar can support the positioning member 21, so as to better complete the fixation of the box body 11 and the positioning member 21.

[0049] In other embodiments, the thickness of the positioning member 21 is greater than the gap between the fitting surface of the box body 11 and the end where the box body 11 is connected to the pressure strip 31. The lower end of the positioning member 21 can directly contact the upper end surface of the end where the box body 11 is connected to the pressure strip 31. The end where the box body 11 is connected to the pressure strip 31 provides support for the positioning member 21.

[0050] In other embodiments, the height of the positioning member 21 is smaller than the fitting surface of the box body 11, and the height of the support bar set in the middle of the fitting surface of the box body 11 and the end gap where the box body 11 and the pressure strip 31 are connected is extended. The positioning member 11 is in contact with the extended support bar and is acted upon by the force of the support bar to complete the support and prevent it from falling.

[0051] In other embodiments, a bolt hole is provided on the positioning member 31 , and the first positioning hole 32 is used to fix the pressure strip 31 and the positioning member 21 through bolts.

[0052] Preferably, a groove is formed on one side of the positioning member 21, and the size of the groove is the same as that of the MOS tube 41. The upper end of the positioning member 21 is in a comb-tooth structure, and the spacing is consistent with the pins of the MOS tube 41, so that the MOS tube 41 and the positioning member 21 are fixed.

[0053] Preferably, the MOS tube 41 is fixed on the box body 11, and the pins on the MOS tube 41 are higher than the box body 11, so as to facilitate fitting with the power board 51. The pins of the MOS tube pass through the small holes on the power board, the power board is fitted with the box body, the power board 51 is fastened to the box body with bolts, and the pins of the MOS tube 41 are fixed to the power board 51 by welding.

[0054] Preferably, a water channel 13 is opened on the side of the box body 11.

[0055] Preferably, the structure of the water channel 13 is not limited, and may be rectangular, cube, cylindrical, rhombus, etc.

[0056] In addition, a further preferred embodiment of the utility model also relates to a vehicle-mounted power supply, which includes: a housing, a box, and a MOS tube heat dissipation device arranged on the box; the MOS tube device is positioned and fitted with the box 11 by fixing it with a positioning member 21, and the vehicle-mounted power supply also includes the aforementioned box 11 and positioning member 21, and a positioning groove 12 is provided on the box 11; a MOS tube is installed on the positioning member 21, and the positioning member 21 includes a convex member 22; the convex member is embedded in the positioning groove 12; the positioning member 21 is fixed on the box 11. For other steps and devices for implementing and constructing a specific vehicle-mounted power supply, refer to the prior art in the field.

[0057] A further preferred embodiment of the utility model also relates to a vehicle, which comprises the above-mentioned MOS tube assembly structure and a vehicle-mounted power supply.

[0058] The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the scope of the described embodiments. In addition, it can be understood by those skilled in the art that the utility model is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of protection claimed by the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A MOS tube assembly fixing structure, comprising a box body and a positioning member, characterized in that; The box body is provided with a positioning groove; A MOS tube is installed on the positioning member, and the positioning member includes a convex member; the convex member is embedded in the positioning groove; and the positioning member is fixed on the box body.

2. The MOS tube assembly and fixing structure according to claim 1, characterized in that: Also includes layering; The pressure strip includes a pressing end and a fixed end, the pressing end and the fixed end are connected to each other, the pressing end presses the positioning member against the box body, and the fixed end is fixed to the box body.

3. The MOS tube assembly and fixing structure according to claim 2, characterized in that: A plurality of first positioning holes are arranged on the pressing end, a second positioning column is arranged on the positioning member, and the first positioning holes are sleeved on the second positioning column.

4. The MOS tube assembly and fixing structure according to claim 2, characterized in that: A plurality of second positioning holes are arranged on the fixed end, and at least part of the second positioning holes are locked and fixed to the box body by bolts.

5. The MOS tube assembly and fixing structure according to claim 4, characterized in that: A plurality of first positioning columns are arranged on the box body, and at least part of the second positioning holes are sleeved on the first positioning columns for positioning the box body and the pressure strip.

6. The MOS tube assembly and fixing structure according to claim 3, characterized in that: The second positioning column includes a first section and a second section, the second section is farther away from the mounting surface and radially larger than the first section; the positioning hole is sleeved in the first section.

7. The MOS tube assembly and fixing structure according to claim 6, characterized in that: The second positioning column includes a plurality of columns, and gaps are provided between the plurality of columns.

8. The MOS tube assembly and fixing structure according to claim 1, characterized in that: The MOS tube is fixed on the box body, and the pins on the MOS tube are higher than the box body, so as to facilitate the fitting with the power board.

9. The MOS tube assembly and fixing structure according to claim 2, characterized in that: The pressure strip is a flexible member.

10. The MOS tube assembly and fixing structure according to claim 1, characterized in that: The box body is provided with a water channel.

11. The MOS tube assembly and fixing structure according to claim 10, characterized in that: The water channel is in a rectangular parallelepiped structure.

12. A vehicle-mounted power supply, characterized in that: A MOS tube assembly and fixing structure comprising any one of claims 1-11.

13. A vehicle, characterized in that: A MOS tube assembly fixing structure comprising any one of claims 1 to 11, or a vehicle-mounted power supply as described in claim 12.

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