PCS inversion module test tool
By designing a PCS inverter module test tooling including cabinets, oscilloscopes and test components, the problems of low detection efficiency and high cost in the prior art are solved, and more efficient detection and lower labor costs are achieved.
Patent Information
- Application Number
- CN202420891891.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-04-26
AI Technical Summary
In the prior art, the detection efficiency of the PCS inverter module is low and costly, mainly due to the long time of manual wiring and handling, resulting in low detection efficiency and excessive labor cost.
A PCS inverter module testing tooling is designed, including a cabinet, an oscilloscope and a test component. The oscilloscope is fixed on the cabinet. The test component is built into the cabinet and is equipped with multiple test stations. The test component is electrically connected to the test station and the oscilloscope for quick detection and data observation.
Through this test tooling, the detection efficiency and production efficiency of the PCS inverter module are improved, manual wiring and handling time are reduced, and inspection costs are reduced.
Smart Images
Figure CN222580198U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of energy storage converter testing, in particular to a PCS inverter module testing tool. Background Art
[0002] The Power Conversion System (PCS) mainly consists of a capacitor module and three PCS inverter modules to achieve DC / AC conversion. After the PCS inverter module is manufactured, it needs to be measured to ensure the safe operation of the energy storage converter.
[0003] In the related art, the PCS inverter module is wired manually. During inspection, the PCS inverter module needs to be moved to a corresponding inspection table for individual inspection, and the data is displayed through an oscilloscope. On the one hand, the transportation of the PCS takes a long time, resulting in low inspection efficiency. On the other hand, it takes a lot of manpower from transportation to wiring, and the labor cost is too high, which leads to excessively high inspection costs for the PCS inverter module.
[0004] The above problems need to be solved urgently. Utility Model Content
[0005] The utility model aims to provide a PCS inverter module testing tool.
[0006] In order to solve the above technical problems, the utility model provides a PCS inverter module test tool, including:
[0007] Cabinets, oscilloscopes, and test components;
[0008] The oscilloscope is fixedly arranged on the cabinet;
[0009] The test assembly is built into the cabinet;
[0010] The cabinet is provided with N testing stations;
[0011] The test assembly is electrically connected to the test station;
[0012] The test assembly is electrically connected to the oscilloscope;
[0013] Wherein, N is greater than or equal to 2.
[0014] Furthermore, the test station is provided with a guide rail along the insertion direction of the PCS inverter module.
[0015] Furthermore, the cabinet is provided with a partition;
[0016] The partition is arranged in the middle of the cabinet, and forms a test cavity and a component placement cavity with the cabinet;
[0017] The test cavity is arranged above the component placement cavity.
[0018] Furthermore, the test cavity accommodates the test station.
[0019] Furthermore, the component placement cavity accommodates the test component.
[0020] Furthermore, the test component includes:
[0021] Testing components and stacking;
[0022] The test element is electrically connected to the stack;
[0023] The test element is fixedly arranged in the element placement cavity;
[0024] The stack is fixedly arranged on the test station, and the stack is provided with contacts suitable for being electrically connected to the PCS inverter module.
[0025] Furthermore, the test element is arranged in the element placement cavity.
[0026] Furthermore, the test element comprises:
[0027] Inductors, AC capacitors and voltage stabilizing capacitors;
[0028] The inductor, the AC capacitor and the voltage-stabilizing capacitor are all fixedly arranged on the bottom plate of the component placement cavity.
[0029] Furthermore, rollers are fixedly arranged on the bottom of the cabinet.
[0030] Furthermore, the cabinet includes: a frame and an acrylic plate;
[0031] The acrylic plate is fixedly arranged around the frame.
[0032] Furthermore, the PCS inverter module test tooling also includes a DC power supply;
[0033] The DC power supply is fixedly arranged on the top of the cabinet.
[0034] The beneficial effect of the utility model is that the utility model provides a PCS inverter module test tool, including: a cabinet, an oscilloscope and a test component; the oscilloscope is fixedly arranged on the cabinet; the test component is built in the cabinet; the cabinet is provided with N test stations; the test component is electrically connected to the test station; the test component is electrically connected to the oscilloscope; wherein N is greater than or equal to 2. The fixed detection platform in the related art is set as a movable detection tool, which is convenient for transporting the detection tool. At the same time, the oscilloscope is set above the cabinet, so that the detection data of the PCS inverter module can be intuitively observed. After the detection is completed, the assembly of the PCS converter is directly completed, thereby improving the overall production efficiency. By setting N test stations in the cabinet, N PCS inverter modules can be detected at the same time, further improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0036] Figure 1 It is a structural schematic diagram of a PCS inverter module testing tool provided in an embodiment of the utility model.
[0037] Figure 2 It is an exploded view of the PCS inverter module test tooling provided by the embodiment of the utility model.
[0038] Figure 3 It is a circuit schematic diagram of the PCS inverter module testing tool provided in the embodiment of the utility model.
[0039] In the figure: 100, cabinet; 110, test station; 111, guide rail; 120, partition; 130, frame; 140, acrylic plate; 150, roller; 200, oscilloscope; 310, test element; 311, inductor; 312, AC capacitor; 313, voltage-stabilizing capacitor; 320, stack; 400, PCS inverter module; 500, DC power supply. DETAILED DESCRIPTION
[0040] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.
[0041] For examples, see Figure 1-Figure 2, at least one embodiment provides a PCS inverter module test tool, including: a cabinet 100, an oscilloscope 200 and a test component; the oscilloscope 200 is fixedly arranged on the cabinet 100; the test component is built in the cabinet 100; the cabinet 100 is provided with N test stations 110; the test component is electrically connected to the test station 110; the test component is electrically connected to the oscilloscope 200; wherein N is greater than or equal to 2. The fixed detection platform in the related art is set as a movable detection tool, which is convenient for transporting the detection tool. At the same time, the oscilloscope 200 is set above the cabinet 100, so that the detection data of the PCS inverter module 400 can be intuitively observed. After the detection is completed, the assembly of the PCS converter is directly completed, thereby improving the overall production efficiency. By setting N test stations in the cabinet 100, N PCS inverter modules 400 can be detected at the same time, further improving the detection efficiency.
[0042] In some embodiments, the number N is 3, which is the same as the number of PCS inverter modules 400 in the PCS converter. During each test, all PCS inverter modules 400 in a PCS converter can be tested simultaneously, thereby improving the detection efficiency.
[0043] It should be noted that, in order to improve the transport efficiency of the detection tooling, rollers 150 are fixedly arranged at the bottom of the cabinet 100. The number of rollers 150 is set according to specific usage requirements, and some rollers 150 are universal wheels.
[0044] In order to facilitate the insertion of the PCS inverter module 400, in some embodiments, the test station 110 is provided with a guide rail 111 along the insertion direction of the PCS inverter module 400. The guide rail 111 is provided to guide the PCS inverter module 400 during insertion, thereby improving the assembly efficiency of the PCS inverter module 400 and thus improving the detection efficiency.
[0045] In some embodiments, the cabinet 100 is provided with a partition 120; the partition 120 is provided in the middle of the cabinet 100, and forms a test cavity and a component placement cavity with the cabinet 100; the test cavity is provided above the component placement cavity. The cabinet 100 is divided into two cavities by the partition 120, the cavity located in the upper part is a test cavity, which is used to set the test station 110, and the cavity located in the lower part is a component placement cavity, which is used to place the corresponding test component. The heat of the test component is isolated by the partition 120 to reduce the influence of temperature on the PCS inverter module 400.
[0046] The test assembly includes: a test element 310 and a stack 320; the test element 310 is electrically connected to the stack 320; the test element 310 is fixedly arranged in the element placement cavity; the stack 320 is fixedly arranged on the test station 110, and the stack 320 is provided with contacts suitable for electrical connection with the PCS inverter module 400, and the test element 310 is arranged in the element placement cavity. When the PCS inverter module 400 is loaded into the test station, the PCS inverter module 400 is electrically connected to the contacts, thereby completing the connection between the PCS inverter module 400 and the test element 310. The PCS inverter module is limited by the test station, and the connection can be completed when the PCS inverter module is inserted into the test station, which reduces the wiring time, and also reduces the labor cost during wiring, and improves the test efficiency.
[0047] In some embodiments, in order to improve the stability of the electrical connection between the PCS inverter module 400 and the contacts, an elastic pressing plate (not shown) is provided in the test station 110 to press the PCS inverter module 400 and the stack 320 .
[0048] It should be noted that the test element 310 includes: an inductor 311L, an AC capacitor 312 and a voltage-stabilizing capacitor 313; the inductor 311, the AC capacitor 312 and the voltage-stabilizing capacitor 313 are all fixedly arranged on the bottom plate of the element placement cavity.
[0049] The electrical connection relationship between the test element 310 and the PCS inverter module 400 is as follows: Figure 3 In the figure, Q1-Q4 are voltage stabilizing capacitors 313, L1 is an inductor 311, and C1 is an AC capacitor 312.
[0050] In some embodiments, the cabinet 100 includes: a frame 130 and an acrylic plate 140; the acrylic plate 140 is fixedly arranged around the frame 130. The acrylic plate 140 needs to avoid the entrance of the test tool, and at the same time, the internal operating state of the test tool can be observed through the acrylic plate 140.
[0051] In this embodiment, the PCS inverter module test tool further includes a DC power supply 500, which is fixedly arranged on the top of the cabinet 100. The DC power supply 500 is used to simulate the battery system, which is more suitable for the operating conditions of the PCS converter.
[0052] In summary, the utility model provides a PCS inverter module test tool, including: a cabinet 100, an oscilloscope 200 and a test component; the oscilloscope 200 is fixedly arranged on the cabinet 100; the test component is built in the cabinet 100; the cabinet 100 is provided with N test stations 110; the test component is electrically connected to the test station; the test component is electrically connected to the oscilloscope 200; wherein N is greater than or equal to 2. The fixed detection platform in the related art is set as a movable detection tool, which is convenient for transporting the detection tool. At the same time, the oscilloscope 200 is set above the cabinet 100, so that the detection data of the PCS inverter module 400 can be intuitively observed. After the detection is completed, the assembly of the PCS converter is directly completed, thereby improving the overall production efficiency. By setting multiple test stations in the cabinet 100, N PCS inverter modules 400 can be detected at the same time, further improving the detection efficiency.
[0053] All devices (parts without specific structure) selected in this application are universal standard parts or parts known to those skilled in the art, and their structures and principles can be known by those skilled in the art through technical manuals or conventional experimental methods. In addition, the software programs involved in this application are all prior art, and this application does not involve any improvement to the software programs.
[0054] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0055] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0056] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.
[0057] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0058] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
[0059] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A PCS inverter module test tool, characterized in that: include: Cabinets, oscilloscopes, and test components; The oscilloscope is fixedly arranged on the cabinet; The test assembly is built into the cabinet; The cabinet is provided with N testing stations; The test assembly is electrically connected to the test station; The test assembly is electrically connected to the oscilloscope; Wherein, N is greater than or equal to 2.
2. The PCS inverter module testing tool as claimed in claim 1, characterized in that: The test station is provided with a guide rail along the insertion direction of the PCS inverter module.
3. The PCS inverter module testing tool as claimed in claim 1, characterized in that: The cabinet is provided with a partition; The partition is arranged in the middle of the cabinet, and forms a test cavity and a component placement cavity with the cabinet; The test cavity is arranged above the component placement cavity.
4. The PCS inverter module testing tool as claimed in claim 3, characterized in that: The test cavity accommodates the test station.
5. The PCS inverter module testing tool as claimed in claim 3, characterized in that: The component placement cavity accommodates the test component.
6. The PCS inverter module testing tool as claimed in claim 5, characterized in that: The test components include: Testing components and stacking; The test element is electrically connected to the stack; The test element is fixedly arranged in the element placement cavity; The stack is fixedly arranged on the test station, and the stack is provided with contacts suitable for being electrically connected to the PCS inverter module.
7. The PCS inverter module testing tool as claimed in claim 6, characterized in that: The test element comprises: Inductors, AC capacitors and voltage stabilizing capacitors; The inductor, the AC capacitor and the voltage-stabilizing capacitor are all fixedly arranged on the bottom plate of the component placement cavity.
8. The PCS inverter module testing tool as claimed in claim 1, characterized in that: Rollers are fixedly arranged on the bottom of the cabinet.
9. The PCS inverter module testing tool as claimed in claim 1, characterized in that: The cabinet includes: a frame and an acrylic plate; The acrylic plate is fixedly arranged around the frame.
10. The PCS inverter module testing tool as claimed in claim 1, characterized in that: The PCS inverter module testing tool also includes a DC power supply; The DC power supply is fixedly arranged on the top of the cabinet.