Withstand voltage test tool for mutual inductor
By designing a transformer voltage-with-voltage testing tool for including conductive base and conductive shrapnel, the problem of time and safety hazards of transformer voltage-with-voltage testing in the prior art is solved, and a fast parallel connection and safe and reliable test process of the secondary end of the transformer is realized.
Patent Information
- Application Number
- CN202420567015.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-03-22
AI Technical Summary
During pressure-resistant tests, existing transformers require multiple clamping operations, which takes a long time and poses safety risks.
Design a transformer pressure test tooling, including a rack, mounting column and parallel connection assembly. Through the design of the conductive base and the conductive shrapnel, the rapid parallel connection of the secondary end of the transformer is achieved.
It realizes rapid parallel connection of the secondary end of the transformer, simplifies the operation process, improves testing efficiency, and reduces safety risks.
Smart Images
Figure CN222812929U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mutual inductors, in particular to a mutual inductor withstand voltage test tool. Background Art
[0002] When conducting a withstand voltage test on an existing transformer, generally multiple transformers are installed on a withstand voltage test fixture, and the primary and secondary ends of each transformer are connected in parallel. At present, a conductive soft wire is generally clamped to the secondary end screw on the side of the transformer by a clip so that the secondary ends of each transformer are connected in parallel. This operation method requires multiple clamping actions, which is time-consuming, and the clip sometimes rises and discharges during the withstand voltage test, posing a safety hazard.
[0003] In view of the existence of the above problems, it is necessary to study a transformer withstand voltage test fixture, which can quickly connect the secondary ends of multiple transformers in parallel. Utility Model Content
[0004] The utility model aims to provide a transformer withstand voltage test tool, which can quickly connect the secondary ends of multiple transformers in parallel.
[0005] In order to achieve the above purpose, the solution of the utility model is:
[0006] A transformer withstand voltage test tool comprises a frame, a plurality of mounting posts, and a plurality of parallel connection components; each mounting post is mounted on the frame, and each mounting post is arranged in multiple rows; each parallel connection component is respectively arranged adjacent to each row of mounting posts, and the parallel connection component comprises a conductive seat mounted on the frame, and a plurality of conductive springs mounted on the conductive seat, and the conductive seat and the conductive springs of the parallel connection component are electrically connected; each conductive spring of each parallel connection component is respectively opposite to each mounting post of a row of mounting posts adjacent to the parallel connection component.
[0007] The parallel connection component also includes a plurality of positioning seats installed on the frame, and the positioning seats have positioning plates with positioning grooves; the positioning grooves of the positioning seats of the parallel connection component are respectively opposite to the conductive springs of the parallel connection component.
[0008] The conductive spring sheet and the positioning seat of the parallel connection component are fixed on the conductive seat by screws.
[0009] The positioning seat of the parallel connection component is made of conductive material; each conductive spring of the parallel connection component is electrically connected to the conductive seat through each positioning seat of the parallel connection component.
[0010] The conductive seat of the parallel connection assembly is connected to the frame through an insulating plate, and the insulating plate separates the frame and the conductive seat.
[0011] The frame is provided with a supporting part corresponding to the insulating plate, and the insulating plate is locked with the supporting part by screws.
[0012] The conductive seat is bonded to the insulating plate.
[0013] The frame is provided with a plurality of mounting plates, and each row of mounting columns is respectively mounted on each mounting plate of the frame.
[0014] The mounting column is connected to the mounting plate by welding.
[0015] After adopting the above scheme, when a transformer withstand voltage test tool of the utility model is used, multiple transformers are respectively placed on each mounting column, and when the transformer is placed on the mounting column, the secondary end screw of the transformer is in contact with the conductive spring sheet of the adjacent parallel connection component, so that the transformers matched on each row of mounting columns can be directly electrically connected to the same conductive seat through the conductive spring sheet, so that the transformers matched on each row of mounting columns can be connected in parallel; from the above, it can be known that the utility model only needs to place multiple transformers on each mounting column respectively and make the secondary end screw of the transformer contact with the conductive spring sheet of the adjacent parallel connection component, so that the transformers matched on each row of mounting columns can be connected in parallel, which is simpler and faster to operate. Among them, the conductive spring sheet has elasticity, so that the conductive spring sheet can reliably contact the secondary end screw of the transformer, so that the conductive spring sheet and the secondary end screw of the transformer can be stably electrically connected. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model.
[0017] Figure 2 for Figure 1 Enlarged view of point a.
[0018] Figure 3 It is a partial structural schematic diagram of the utility model.
[0019] Figure 4 It is a structural schematic diagram of the parallel connection component of the utility model.
[0020] Figure 5 It is a schematic diagram of the use of the utility model.
[0021] Figure 6 for Figure 5 Enlarged view of point b.
[0022] Description of labels:
[0023] Frame 1, mounting plate 11, support portion 12,
[0024] Mounting column 2,
[0025] Parallel connection component 3, conductive seat 31, conductive spring 32, positioning seat 33, positioning plate 331, positioning groove 3311,
[0026] Insulation board 4,
[0027] Transformer A, secondary end screw A1,
[0028] Connect wire B. DETAILED DESCRIPTION
[0029] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.
[0030] like Figures 1 to 6 As shown, the utility model discloses a transformer withstand voltage test fixture, which includes a frame 1, a plurality of mounting posts 2, and a plurality of parallel connection components 3; wherein each mounting post 2 is mounted on the frame 1, and each mounting post 2 is arranged in multiple rows; each parallel connection component 3 is respectively arranged adjacent to each row of mounting posts 2, and the parallel connection component 3 includes a conductive seat 31 mounted on the frame 1, and a plurality of conductive springs 32 mounted on the conductive seat 31, and the conductive seat 31 and the conductive springs 32 of the parallel connection component 3 are electrically conductive; each conductive spring 32 of each parallel connection component 3 is respectively opposite to each mounting post 2 of a row of mounting posts 2 adjacent to the parallel connection component 3.
[0031] When a transformer withstand voltage test tool of the utility model is used, multiple transformers A are respectively sleeved on each mounting column 2, and when the transformer A is sleeved on the mounting column 2, the secondary end screw A1 of the transformer A is in contact with the conductive spring piece 32 of the adjacent parallel connection component 3, so that the transformers A matched on each row of mounting columns 2 can be directly electrically connected to the same conductive seat 31 through the conductive spring piece 32, so that the transformers A matched on each row of mounting columns 2 can be connected in parallel; from the foregoing, it can be seen that the utility model only needs to sleeve multiple transformers A on each mounting column 2 respectively and make the secondary end screw A1 of the transformer A contact with the conductive spring piece 32 of the adjacent parallel connection component 3, so that the transformers A matched on each row of mounting columns 2 can be connected in parallel, and the operation is simpler and faster. The conductive spring piece 32 is elastic, so that the conductive spring piece 32 can reliably contact the secondary end screw A1 of the transformer A, so that the conductive spring piece 32 and the secondary end screw A1 of the transformer A can stably achieve electrical conduction.
[0032] In order to facilitate the understanding of the transformer withstand voltage test tool of the utility model, the connection structure of the transformer A when the transformer withstand voltage test is carried out through the transformer withstand voltage test tool of the utility model is specifically introduced below. Figure 5 and Figure 6As shown, when multiple transformers A are subjected to a withstand voltage test, multiple transformers A are first respectively placed on each mounting column 2 and the secondary end screws A1 of the transformer A are made to contact the conductive springs 32 of the adjacent parallel connection components 3, so that the transformers A matched on each row of mounting columns 2 are connected in parallel, and then the primary ends of each transformer A are connected together through the connecting wire B. Among them, when the primary end of the transformer A is subjected to a withstand voltage test to ground, the connecting wire B connected to the primary end of each transformer A is connected to the test high voltage, the conductive seat 31 of the parallel connection component 3 is grounded, and the secondary end of each transformer A is grounded; when the secondary end of the transformer A is subjected to a withstand voltage test to ground, the connecting wire B connected to the primary end of each transformer A and the rack 1 are grounded, and the conductive seat 31 of the parallel connection component 3 is connected to the high voltage, so that the secondary end of each transformer A is connected to the test high voltage.
[0033] In the embodiment of the utility model, the frame 1 is provided with a plurality of mounting plates 11 , and each row of mounting columns 2 is respectively mounted on each mounting plate 11 of the frame 1 , and the mounting columns 2 and the mounting plates 11 can be connected by welding.
[0034] In the embodiment of the utility model, the conductive seat 31 of the parallel connection assembly 3 is connected to the frame 1 through the insulating plate 4, and the insulating plate 4 separates the frame 1 and the conductive seat 31 to prevent the frame 1 and the conductive seat 31 from being electrically connected to each other; when a transformer withstand voltage test tool of the utility model is used, the frame 1 is grounded to ensure safe use. Among them, the frame 1 is provided with a support portion 12 corresponding to the insulating plate 4, and the insulating plate 4 is locked with the support portion 12 by screws, and the conductive seat 31 and the insulating plate 4 can be bonded.
[0035] In an embodiment of the utility model, the parallel connection component 3 also includes a plurality of positioning seats 33 installed on the frame 1, and the positioning seat 33 has a positioning plate 331 with a positioning groove 3311; the positioning grooves 3311 of each positioning seat 33 of the parallel connection component 3 are respectively opposite to each conductive spring piece 32 of the parallel connection component 3; when the mutual inductor A is placed on the mounting column 2, the secondary end screw A1 of the mutual inductor A is inserted into the positioning groove 3311 of the positioning seat 33 of the adjacent parallel connection component 3, so that the secondary end screw A1 of the mutual inductor A can quickly and accurately contact the conductive spring piece 32 of the adjacent parallel connection component 3.
[0036] In the embodiment of the utility model, the conductive spring piece 32 and the positioning seat 33 of the parallel connection component 3 are fixed on the conductive seat 31 by screws, so that the conductive spring piece 32 and the positioning seat 33 are firmly installed. In addition, the positioning seat 33 can be made of conductive material, and each conductive spring piece 32 of the parallel connection component 3 is electrically connected with the conductive seat 31 through each positioning seat 33 of the parallel connection component 3.
[0037] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.
Claims
1. A transformer withstand voltage test tool, characterized in that: Includes a rack, a plurality of mounting posts, and a plurality of parallel connection components; Each mounting column is mounted on the rack, and each mounting column is arranged in multiple rows; Each parallel connection component is arranged adjacent to each row of mounting columns, and the parallel connection component includes a conductive seat on the mounting frame and a plurality of conductive spring sheets mounted on the conductive seat. The conductive seat and the conductive spring sheets of the parallel connection component are electrically connected; each conductive spring sheet of each parallel connection component is respectively opposite to each mounting column of a row of mounting columns adjacent to the parallel connection component.
2. A transformer withstand voltage test fixture as claimed in claim 1, characterized in that: The parallel connection component also includes a plurality of positioning seats installed on the frame, and the positioning seats have positioning plates with positioning grooves; the positioning grooves of the positioning seats of the parallel connection component are respectively opposite to the conductive springs of the parallel connection component.
3. A transformer withstand voltage test fixture as claimed in claim 2, characterized in that: The conductive spring sheet and the positioning seat of the parallel connection component are fixed on the conductive seat by screws.
4. A transformer withstand voltage test fixture as claimed in claim 2, characterized in that: The positioning seat of the parallel connection component is made of conductive material; each conductive spring of the parallel connection component is electrically connected to the conductive seat through each positioning seat of the parallel connection component.
5. The transformer withstand voltage test tool as claimed in claim 1, characterized in that: The conductive seat of the parallel connection assembly is connected to the frame through an insulating plate, and the insulating plate separates the frame and the conductive seat.
6. A transformer withstand voltage test fixture as claimed in claim 5, characterized in that: The frame is provided with a supporting part corresponding to the insulating plate, and the insulating plate is locked with the supporting part by screws.
7. A transformer withstand voltage test fixture as claimed in claim 5, characterized in that: The conductive seat is bonded to the insulating plate.
8. A transformer withstand voltage test fixture as claimed in claim 1, characterized in that: The frame is provided with a plurality of mounting plates, and each row of mounting columns is respectively mounted on each mounting plate of the frame.
9. A transformer withstand voltage test fixture as claimed in claim 8, characterized in that: The mounting column is connected to the mounting plate by welding.