Transformer with good sealing structure
By designing the box structure and combination of positioning frames, card blocks, and side frames on the transformer, combined with corner codes and access doors, the erosion and damage problems caused by exposure at the wiring are solved, and good sealing and safety are achieved.
Patent Information
- Application Number
- CN202421140358.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-23
AI Technical Summary
During the wiring process of existing transformers, the connection between the conductors and the high-voltage terminals and the low-voltage terminals is exposed, resulting in erosion and damage, and posing a safety hazard.
A transformer with a good sealing structure is designed, using a combination of the box structure, a positioning frame, a card block and a side frame, and the connecting cable is fixed and protected through the corner code and the access door to ensure sealing.
It effectively prevents erosion and damage at the connection, improves safety, and facilitates viewing of the working status of the internal insulator through the access door.
Smart Images
Figure CN222300431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformer devices, in particular to a transformer with a good sealing structure. Background Art
[0002] Transformer is one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings. It is used to reduce high voltage to low voltage used by users. It is mainly composed of iron core, winding, oil tank, oil pillow, insulating bushing, tap changer and gas relay.
[0003] In the process of using the transformer, the wires are generally connected to the high-voltage terminals and low-voltage terminals at the top of the transformer, and then the current is transported through the high-voltage terminals and the low-voltage terminals. However, after the wires are connected to the high-voltage terminals and the low-voltage terminals, the connection between the wires and the high-voltage terminals and the low-voltage terminals will be exposed to the outside world for a long time, causing corrosion and damage to the connection between the wires and the high-voltage terminals and the low-voltage terminals, which brings safety hazards to the transformer and the wires. Utility Model Content
[0004] Technical issues solved
[0005] In view of the above-mentioned shortcomings of the prior art, the utility model provides a transformer with a good sealing structure, which can effectively solve the problem of erosion and damage caused by the connection terminals being exposed to the outside in the prior art.
[0006] Technical Solution
[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] The utility model provides a transformer with a good sealing structure, comprising a transformer body; a connection end is arranged at the top of the transformer body, the connection end comprises an insulator and a connection cable fixed on the insulator, a box is fixed on the outside of the insulator, a plurality of groups of hole groove structures are arranged at the top of the box body, and a positioning frame is arranged in the hole groove, the positioning frame comprises a side frame and a clamping block fixed at the bottom of the side frame, the clamping block is a dumbbell cylinder with large ends and a small middle, and two groups of side frames are symmetrically arranged at the top of the clamping block, and side grooves are arranged on the inner walls of both sides of each group of the side frames, and the bottom end of the box body is fixedly connected to the top of the transformer body through an angle code.
[0009] Furthermore, the middle part of the clamping block is fixed in the hole groove, and the diameters of the two ends of the clamping block are larger than the middle cylindrical part of the clamping block.
[0010] Furthermore, an inspection door is provided on one side of the box body, and the top end of the inspection door is movably arranged outside the box body through a hinge.
[0011] Furthermore, there is an interference fit between the clamping block and the hole groove, and the clamping block is made of hard plastic material.
[0012] Furthermore, the cross-sectional area of each group of side frames is smaller than half of the area of the top end of the block.
[0013] Furthermore, the inner diameter of each group of side frames is smaller than the inner diameter of the connecting cable.
[0014] Beneficial Effects
[0015] Compared with the known public technology, the technical solution provided by the utility model has the following beneficial effects:
[0016] Through the box structure provided in the utility model, the user can first electrically connect the connecting cable with the insulator, then sleeve the box on the outside of the transformer body, and pass the connecting end through the positioning frame, wherein the block in the positioning frame can fix the connecting cable in the box, and the side frame structure on both sides of the top can be used to protect the top of the connecting cable, and secondly, can be sleeved and fixed with the external connecting structure, or can use a protruding structure with a suitable size to be fixedly connected with the side groove to achieve the need for fastening connection.
[0017] In this device, by providing an angle code-box-inspection door structure, the user can connect and fix the box to the transformer body through multiple sets of angle code structures, and check the working status of the internal insulator through the inspection door. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 It is a schematic diagram of the structure of the utility model;
[0020] Figure 2 This is a structural breakdown diagram of the utility model;
[0021] Figure 3 for Figure 2 The structural diagram at A in the middle;
[0022] Figure 4 It is a structural cross-sectional view of the utility model.
[0023] The numbers in the figure represent: 1. Transformer body; 2. Box body; 21. Inspection door; 3. Connection terminal; 31. Insulator; 32. Connecting cable; 4. Positioning frame; 41. Side frame; 42. Side groove; 43. Block; 5. Angle code. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] The utility model is further described below in conjunction with embodiments.
[0026] Embodiment: A transformer with a good sealing structure, referring to the attached Figure 1 -Attached Figure 4 , including a transformer body 1; a connection terminal 3 is provided at the top of the transformer body 1, and the connection terminal 3 includes an insulator 31 and a connecting cable 32 fixed on the insulator 31, and a box 2 is fixed on the outside of the insulator 31, and a plurality of groups of hole groove structures are provided at the top of the box 2, and a positioning frame 4 is provided in the hole groove, and the positioning frame 4 includes a side frame 41 and a block 43 fixed at the bottom of the side frame 41, and the block 43 is a dumbbell cylinder with large ends and a small middle, and the side frame 41 is symmetrically provided with two groups at the top of the block 43, and the inner walls of both sides of each group of side frames 41 are provided with side grooves 42, and the bottom of the box 2 is provided with angle code 5 is fixedly connected to the top of the transformer body 1. Through the structure of the box 2, the user can first electrically connect the connecting cable 32 with the insulator 31, and then put the box 2 on the outside of the transformer body 1, and pass the connecting end 3 through the positioning frame 4, wherein the block 43 in the positioning frame 4 can fix the connecting cable 32 in the box 2, and the side frame 41 structure on both sides of the top can be used to protect the top of the connecting cable 32, and can be fixedly mounted with an external connecting structure, or a protrusion structure with a suitable size can be used to be fixedly connected with the side groove 42 to achieve the need for fastening connection.
[0027] The middle part of the block 43 is fixed in the hole groove, and the diameters of the two ends of the block 43 are larger than the middle cylindrical part of the block 43; an inspection door 21 is opened on one side of the box body 2, and the top of the inspection door 21 is movably arranged outside the box body 2 through a hinge; there is an interference fit between the block 43 and the hole groove, and the block 43 is made of hard plastic; the cross-sectional area of each group of side frames 41 is smaller than half of the area of the top end of the block 43; the inner diameter of each group of side frames 41 is smaller than the inner diameter of the connecting cable 32; through the set angle code 5-box body 2-inspection door 21 structure, the user can connect and fix the box body 2 and the transformer body 1 through multiple groups of angle code 5 structures, and check the working status of the internal insulator 31 through the inspection door 21.
[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some of the technical features therein by equivalents. These modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.
Claims
1. A transformer with a good sealing structure, characterized in that: The invention comprises a transformer body (1); a connection end (3) is arranged at the top of the transformer body (1); the connection end (3) comprises an insulator (31) and a connection cable (32) fixed on the insulator (31); a box (2) is fixed on the outside of the insulator (31); a plurality of groups of hole groove structures are arranged at the top of the box (2); a positioning frame (4) is arranged in the hole groove; the positioning frame (4) comprises a side frame (41) and a clamping block (43) fixed to the bottom of the side frame (41); the clamping block (43) is in the shape of a dumbbell cylinder with large ends and a small middle; two groups of side frames (41) are symmetrically arranged at the top of the clamping block (43); and side grooves (42) are arranged on the inner walls of both sides of each group of side frames (41); and the bottom end of the box (2) is fixedly connected to the top of the transformer body (1) through an angle code (5).
2. A transformer with a good sealing structure according to claim 1, characterized in that: The middle part of the clamping block (43) is fixed in the hole groove, and the diameters of the two ends of the clamping block (43) are larger than the middle cylindrical part of the clamping block (43).
3. A transformer with a good sealing structure according to claim 1, characterized in that: An inspection door (21) is provided on one side of the box body (2), and the top end of the inspection door (21) is movably arranged outside the box body (2) via a hinge.
4. A transformer with a good sealing structure according to claim 2, characterized in that: The clamping block (43) and the hole groove are in interference fit, and the clamping block (43) is made of hard plastic material.
5. A transformer with a good sealing structure according to claim 4, characterized in that: The cross-sectional area of each set of the side frames (41) is smaller than half the area of the top end of the clamping block (43).
6. The transformer with good sealing structure according to claim 1, characterized in that: The inner diameter of each set of side frames (41) is smaller than the inner diameter of the connecting cable (32).