IGBT (Insulated Gate Bipolar Translator) module vibration test fixture
By designing the IGBT module vibration test fixture, the combined structure of the mounting disc and the fixing frame is used to achieve vibration testing in the XYZ axis direction, which solves the problem of frequent switching directions of traditional test benches, improves the testing efficiency and reduces equipment wear.
Patent Information
- Application Number
- CN202422622684.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-29
AI Technical Summary
When conducting multi-directional vibration test of IGBT modules, traditional vibration test benches need to frequently switch the direction of the dynamic coil, resulting in waste of manpower and time and aggravate equipment wear.
A vibration test fixture of IGBT module is designed, including a mounting plate and a fixing frame. The fixing frame is composed of a bottom plate, a first mounting plate and a second mounting plate. By bonding and fixing these plate surfaces with the mounting plate, the vibration test of the IGBT module in the XYZ axis direction is realized.
It improves the efficiency of vibration testing of IGBT modules, reduces waste of manpower and time, and reduces equipment wear.
Smart Images
Figure CN223236133U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of electric vehicles, and in particular to an IGBT module vibration test fixture. Background Art
[0002] IGBT (Insulated Gate Bipolar Transistor) modules, commonly known as the "CPU" of power electronics, are core components for energy conversion and transmission. They are widely used in rail transit, smart grids, aerospace, electric vehicles, and new energy equipment. IGBT modules are installed in the motor controllers of new energy vehicles. The vibration generated by vehicle movement can significantly affect the operating state of the IGBT modules. To ensure stable operation after installation, vibration testing standards require that the IGBT modules be subjected to vibration testing in the X, Y, and Z axes. Traditional vibration test benches are limited to single-direction movement, but vibration testing of IGBT modules requires consideration of multi-directional vibration. Vibration test benches typically only have a positioning base plate with mounting holes. Therefore, a vibration test fixture is required that can both test multiple specimens in a single vibration test and ensure that different specimens are subjected to vibration excitation in different directions during a single vibration test.
[0003] IGBT module vibration testing requires three axial (X, Y, and Z) vibration tests. Traditionally, this requires switching the orientation of the vibration test bench's dynamic coil to conduct vibration tests in different axes. For example, a mainstream vibration test bench requires switching the dynamic coil's orientation to the vertical axis (Z axis) when conducting vibration tests. For horizontal (X axis) and vertical (Y axis) vibration tests, the dynamic coil's orientation must be switched to the horizontal axis. This frequent switching of the dynamic coil's orientation consumes significant manpower and time, and also increases wear on the vibration bench. Utility Model Content
[0004] The purpose of this application is to provide an IGBT module vibration test fixture, which can improve the vibration test efficiency of the IGBT module.
[0005] The embodiment of the present application is implemented as follows:
[0006] An embodiment of the present application provides an IGBT module vibration test fixture, comprising a mounting plate and a fixing frame arranged on the mounting plate, wherein the mounting plate is used to connect a vibration device, and the fixing frame is used to install the IGBT module, and the fixing frame comprises a base plate and a first mounting plate and a second mounting plate arranged on the base plate, wherein the base plate, the first mounting plate and the second mounting plate are perpendicular to each other, and the fixing frame can be fixed to the mounting plate by replacing the plate surfaces of the base plate, the first mounting plate and the second mounting plate, and the plate surface is fitted to the mounting plate when fixed.
[0007] Optionally, as an implementable manner, a plurality of mounting structures are provided on the mounting plate, and the fixing frame is fixed to the mounting plate through each of the mounting structures.
[0008] Optionally, as an implementable manner, a first connecting hole is provided on the base plate, the mounting structure includes a first mounting hole corresponding to the first connecting hole, and the fixing frame and the mounting plate are connected by fasteners passing through the first connecting hole and the first mounting hole.
[0009] Optionally, as an implementable manner, a second connecting hole is provided on the first mounting plate, the mounting structure includes a second mounting hole corresponding to the second connecting hole, and the fixing frame and the mounting plate are connected by fasteners passing through the second connecting hole and the second mounting hole.
[0010] Optionally, as an implementable method, a third connecting hole is provided on the second mounting plate, the mounting structure includes a third mounting hole corresponding to the third connecting hole, and the fixing frame and the mounting plate are connected by fasteners passing through the third connecting hole and the third mounting hole.
[0011] Optionally, as an implementable method, the first mounting plates include two, the two first mounting plates are relatively arranged on both sides of the base plate, the second mounting plates include two, the two second mounting plates are relatively arranged on both sides of the base plate, and the first mounting plates and the second mounting plates are surrounded and arranged on the periphery of the base plate.
[0012] Optionally, as an implementable manner, a plurality of fixing holes are provided on the base plate, and the IGBT module is fixed by fasteners passing through the fixing holes.
[0013] Optionally, as an implementable manner, a harness through-hole is provided on the mounting plate, and the sensor harness passes through the harness through-hole to connect to the IGBT module.
[0014] Optionally, as an implementable manner, a connecting column is provided on the mounting plate, and the mounting plate is connected to the vibration device via the connecting column.
[0015] Optionally, as an implementable manner, the mounting disk is a circular disk, the connecting posts include four, and the four connecting posts are arranged in a square matrix on the mounting disk.
[0016] The beneficial effects of the embodiments of the present application include:
[0017] The present application provides an IGBT module vibration test fixture, including a mounting plate and a fixing frame arranged on the mounting plate, the mounting plate is used to connect the vibration equipment, the fixing frame is used to install the IGBT module, the fixing frame includes a base plate and a first mounting plate and a second mounting plate arranged on the base plate, the base plate, the first mounting plate and the second mounting plate are perpendicular to each other, the fixing frame can be replaced and fixed to the mounting plate through the plate surface of the base plate, the first mounting plate and the second mounting plate, and the plate surface is fitly arranged when fixed to the mounting plate, and the vibration test of the IGBT module in different directions can be achieved by replacing and fixing the plate surface of the base plate, the first mounting plate and the second mounting plate to the mounting plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 A schematic diagram of the structure of the IGBT module vibration test fixture provided in an embodiment of the present application;
[0020] Figure 2 A schematic structural diagram of the mounting plate in the IGBT module vibration test fixture provided in an embodiment of the present application;
[0021] Figure 3 This is a schematic structural diagram of the fixing frame in the IGBT module vibration test fixture provided in an embodiment of the present application.
[0022] Icon: 100-IGBT module vibration test fixture; 110-mounting plate; 111-wiring harness via; 112-connecting column; 113-mounting structure; 120-fixing bracket; 121-base plate; 1211-first connecting hole; 1212-fixing hole; 122-first mounting plate; 1221-second connecting hole; 123-second mounting plate; 1231-third connecting hole. DETAILED DESCRIPTION
[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0024] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.
[0025] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," "third," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.
[0026] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.
[0027] Please refer to Figure 1 、 Figure 2 and Figure 3 The present embodiment provides an IGBT module vibration test fixture 100, including a mounting plate 110 and a fixing frame 120 arranged on the mounting plate 110, the mounting plate 110 is used to connect the vibration device, the fixing frame 120 is used to install the IGBT module, the fixing frame 120 includes a base plate 121 and a first mounting plate 122 and a second mounting plate 123 arranged on the base plate 121, the base plate 121, the first mounting plate 122 and the second mounting plate 123 are perpendicular to each other, the fixing frame 120 can be replaced and fixed to the mounting plate 110 through the plate surfaces of the base plate 121, the first mounting plate 122 and the second mounting plate 123, and the plate surfaces are fitted together when fixed to the mounting plate 110.
[0028] Specifically, when using the IGBT module vibration test fixture 100 provided by the present application to perform a vibration test, the mounting plate 110 is connected to the vibration device, the IGBT module is mounted on the fixing frame 120, and then the fixing frame 120 is mounted on the mounting plate 110. The vibration device drives the mounting plate 110 to vibrate in a direction perpendicular to the surface of the mounting plate 110, and the direction perpendicular to the surface of the mounting plate 110 is the Z-axis direction. By connecting the bottom plate 121 and the mounting plate 110, the surface of the bottom plate 121 is aligned with the mounting plate 110. The surface of the mounting plate 110 is fitted to achieve a vibration test on the IGBT module in the Z-axis direction; by connecting the first mounting plate 122 and the mounting plate 110, the surface of the first mounting plate 122 is fitted to the surface of the mounting plate 110 to achieve a vibration test on the IGBT module in the X-axis direction; by connecting the second mounting plate 123 and the mounting plate 110, the surface of the second mounting plate 123 is fitted to the surface of the mounting plate 110 to achieve a vibration test on the IGBT module in the Y-axis direction.
[0029] The present application provides an IGBT module vibration test fixture 100, including a mounting plate 110 and a fixing frame 120 arranged on the mounting plate 110, the mounting plate 110 is used to connect the vibration equipment, the fixing frame 120 is used to install the IGBT module, the fixing frame 120 includes a base plate 121 and a first mounting plate 122 and a second mounting plate 123 arranged on the base plate 121, the base plate 121, the first mounting plate 122 and the second mounting plate 123 are perpendicular to each other, the fixing frame 120 can be replaced and fixed to the mounting plate 110 through the plate surface of the base plate 121, the first mounting plate 122 and the second mounting plate 123, and the plate surface is fitted to the mounting plate 110 when fixed, and the vibration test of the IGBT module in different directions can be achieved by replacing and fixing the plate surface of the base plate 121, the first mounting plate 122 and the second mounting plate 123 to the mounting plate 110.
[0030] In a possible embodiment of the present application, Figure 1 、 Figure 2 and Figure 3 As shown, a plurality of mounting structures 113 are provided on the mounting plate 110 , and the fixing frame 120 is fixed to the mounting plate 110 through each mounting structure 113 .
[0031] Specifically, when using the IGBT module vibration test fixture 100 provided in this application to perform a vibration test, the mounting plate 110 is connected to the vibration equipment, and multiple IGBT modules are installed on different fixing frames 120. Then, the multiple fixing frames 120 are respectively fixed to the mounting plate 110 through the mounting structure 113 on the mounting plate 110 to achieve vibration testing of multiple IGBT modules at the same time.
[0032] For example, the mounting structures 113 include three, and the fixing brackets 120 are also provided in three. The three fixing brackets 120 are respectively passed through the mounting structures 113 on the mounting plate 110 to implement vibration testing on three IGBT modules at the same time.
[0033] In a possible embodiment of the present application, Figure 1 、 Figure 2 and Figure 3 As shown, a first connecting hole 1211 is provided on the bottom plate 121, and the mounting structure 113 includes a first mounting hole corresponding to the first connecting hole 1211. The fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the first connecting hole 1211 and the first mounting hole.
[0034] Furthermore, a second connection hole 1221 is provided on the first mounting plate 122, and the mounting structure 113 includes a second mounting hole corresponding to the second connection hole 1221, and the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the second connection hole 1221 and the second mounting hole.
[0035] Furthermore, a third connection hole 1231 is provided on the second mounting plate 123, and the mounting structure 113 includes a third mounting hole corresponding to the third connection hole 1231, and the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the third connection hole 1231 and the third mounting hole.
[0036] Specifically, when using the IGBT module vibration test fixture 100 provided in the present application to perform a vibration test, the mounting plate 110 is connected to the vibration device, the IGBT module is mounted on the fixing frame 120, and then the fixing frame 120 is mounted on the mounting plate 110. The vibration device drives the mounting plate 110 to vibrate in a direction perpendicular to the surface of the mounting plate 110. With the direction perpendicular to the surface of the mounting plate 110 as the Z-axis direction, the fixing frame 120 and the mounting plate 110 are connected by fasteners through the first connecting hole 1211 and the first mounting hole, and the plate surface of the bottom plate 121 is aligned with the plate surface of the mounting plate 110. The surfaces of the mounting plates 110 are fitted together to realize the vibration test of the IGBT module in the Z-axis direction; the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the second connecting hole 1221 and the second mounting hole, and the plate surface of the first mounting plate 122 is fitted together with the plate surface of the mounting plate 110 to realize the vibration test of the IGBT module in the X-axis direction; the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the third connecting hole 1231 and the third mounting hole, and the plate surface of the second mounting plate 123 is fitted together with the plate surface of the mounting plate 110 to realize the vibration test of the IGBT module in the Y-axis direction.
[0037] In a possible embodiment of the present application, Figure 1 、 Figure 2 and Figure 3As shown, the first mounting plates 122 include two, and the two first mounting plates 122 are relatively arranged on both sides of the base plate 121; the second mounting plates 123 include two, and the two second mounting plates 123 are relatively arranged on both sides of the base plate 121; the first mounting plates 122 and the second mounting plates 123 are surrounded and arranged on the periphery of the base plate 121.
[0038] Specifically, the bottom plate 121, the first mounting plate 122 and the second mounting plate 123 together form a chamber for accommodating the IGBT module, so that the IGBT module is protected by the chamber to prevent the IGBT module from being damaged during the vibration test.
[0039] In a possible embodiment of the present application, Figure 1 、 Figure 2 and Figure 3 As shown, a plurality of fixing holes 1212 are provided on the bottom plate 121 , and the IGBT modules are fixed by fasteners passing through the fixing holes 1212 .
[0040] Specifically, when using the IGBT module vibration test fixture 100 provided by the present application to perform a vibration test, the mounting plate 110 is connected to the vibration device, and the IGBT module is fixed to the base plate 121 by fasteners passing through the fixing holes 1212. Then, the fixing frame 120 is installed on the mounting plate 110. The vibration device drives the mounting plate 110 to vibrate in a direction perpendicular to the surface of the mounting plate 110. With the direction perpendicular to the surface of the mounting plate 110 as the Z-axis direction, the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the first connecting hole 1211 and the first mounting hole, and the plate surface of the base plate 121 is aligned with the mounting plate 110. The disk surface of the disk 110 is fitted to realize the vibration test of the IGBT module in the Z-axis direction; the fixing frame 120 and the mounting disk 110 are connected by fasteners passing through the second connecting hole 1221 and the second mounting hole, and the board surface of the first mounting plate 122 is fitted with the disk surface of the mounting disk 110 to realize the vibration test of the IGBT module in the X-axis direction; the fixing frame 120 and the mounting disk 110 are connected by fasteners passing through the third connecting hole 1231 and the third mounting hole, and the board surface of the second mounting plate 123 is fitted with the disk surface of the mounting disk 110 to realize the vibration test of the IGBT module in the Y-axis direction.
[0041] It should be noted that the fixing hole 1212 and the first connection hole 1211 are both set on the base plate 121. The fixing hole 1212 fixes the IGBT module, and the first connection hole 1211 is located on the periphery of the IGBT module to ensure that the first connection hole 1211 does not interfere with the IGBT module on the base plate 121.
[0042] In a possible embodiment of the present application, Figure 1 、 Figure 2 and Figure 3As shown, a harness through hole 111 is provided on the mounting plate 110 , and the sensor harness passes through the harness through hole 111 to connect to the IGBT module.
[0043] Specifically, when using the IGBT module vibration test fixture 100 provided by the present application to perform a vibration test, the mounting plate 110 is connected to the vibration device, and the IGBT module is fixed to the base plate 121 by fasteners passing through the fixing holes 1212. Then, the fixing frame 120 is installed on the mounting plate 110. The vibration device drives the mounting plate 110 to vibrate in a direction perpendicular to the disk surface of the mounting plate 110. With the direction perpendicular to the disk surface of the mounting plate 110 as the Z-axis direction, the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the first connecting hole 1211 and the first mounting hole, and the plate surface of the base plate 121 is fitted with the disk surface of the mounting plate 110 to achieve the IGBT vibration. The BT module is subjected to a vibration test in the Z-axis direction; the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the second connecting hole 1221 and the second mounting hole, and the board surface of the first mounting plate 122 is fitted with the board surface of the mounting plate 110 to achieve a vibration test on the IGBT module in the X-axis direction; the fixing frame 120 and the mounting plate 110 are connected by fasteners passing through the third connecting hole 1231 and the third mounting hole, and the board surface of the second mounting plate 123 is fitted with the board surface of the mounting plate 110 to achieve a vibration test on the IGBT module in the Y-axis direction, and the sensor harness is connected to the IGBT module on the fixing frame 120 through the harness through-hole 111.
[0044] In a possible embodiment of the present application, Figure 1 、 Figure 2 and Figure 3 As shown, a connecting column 112 is provided on the mounting plate 110 , and the mounting plate 110 is connected to the vibration device via the connecting column 112 .
[0045] Furthermore, the mounting plate 110 is a circular plate, and includes four connecting posts 112 , which are arranged on the mounting plate 110 in a square matrix.
[0046] Specifically, when using the IGBT module vibration test fixture 100 provided in this application to perform a vibration test, the mounting plate 110 is connected to the vibration device, and the vibration device and the mounting plate 110 are connected through four connecting columns 112, so that the amplitude energy of the vibration motor ring is evenly concentrated in the central area of the disk and diffused in a divergent manner to the surrounding areas.
[0047] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.
Claims
1. An IGBT module vibration test fixture, characterized in that: It includes a mounting plate and a fixing frame arranged on the mounting plate, the mounting plate is used to connect the vibration device, the fixing frame is used to install the IGBT module, the fixing frame includes a base plate and a first mounting plate and a second mounting plate arranged on the base plate, the base plate, the first mounting plate and the second mounting plate are perpendicular to each other, the fixing frame can be replaced and fixed to the mounting plate through the plate surface of the base plate, the first mounting plate and the second mounting plate, and the plate surface is fitted to the mounting plate when fixed.
2. The IGBT module vibration test fixture according to claim 1, characterized in that: The mounting plate is provided with a plurality of mounting structures, and the fixing frame is fixed to the mounting plate through each of the mounting structures.
3. The IGBT module vibration test fixture according to claim 2, characterized in that: The bottom plate is provided with a first connecting hole, the mounting structure includes a first mounting hole corresponding to the first connecting hole, and the fixing bracket and the mounting plate are connected by a fastener passing through the first connecting hole and the first mounting hole.
4. The IGBT module vibration test fixture according to claim 2, characterized in that: A second connecting hole is provided on the first mounting plate, and the mounting structure includes a second mounting hole corresponding to the second connecting hole. The fixing bracket and the mounting plate are connected by a fastener passing through the second connecting hole and the second mounting hole.
5. The IGBT module vibration test fixture according to claim 2, characterized in that: A third connecting hole is provided on the second mounting plate, and the mounting structure includes a third mounting hole corresponding to the third connecting hole. The fixing bracket and the mounting plate are connected by a fastener passing through the third connecting hole and the third mounting hole.
6. The IGBT module vibration test fixture according to claim 1, characterized in that: The first mounting plates include two, and the two first mounting plates are arranged oppositely on both sides of the base plate. The second mounting plates include two, and the two second mounting plates are arranged oppositely on both sides of the base plate. The first mounting plates and the second mounting plates are arranged together on the periphery of the base plate.
7. The IGBT module vibration test fixture according to claim 1, characterized in that: The bottom plate is provided with a plurality of fixing holes, and the IGBT module is fixed by fasteners passing through the fixing holes.
8. The IGBT module vibration test fixture according to claim 1, characterized in that: The mounting plate is provided with a harness through hole, and the sensor harness passes through the harness through hole to connect to the IGBT module.
9. The IGBT module vibration test fixture according to claim 1, characterized in that: The mounting plate is provided with a connecting column, and the mounting plate is connected to the vibration device via the connecting column.
10. The IGBT module vibration test fixture according to claim 9, characterized in that: The mounting plate is a circular plate, and the connecting posts include four, which are arranged in a square matrix on the mounting plate.