Low-voltage lead copper bar clamping structure of photovoltaic transformer
By using laminated wood wire clamps and epoxy boards to fix the low-voltage lead copper busbars of photovoltaic transformers, and combining this with bolt tightening, the safety hazard of loose copper busbars was solved, and a stable and durable clamping structure was achieved.
Patent Information
- Application Number
- CN202520794719.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-25
AI Technical Summary
The copper busbars of the low-voltage leads of existing photovoltaic transformers are prone to loosening due to insulator breakage, posing a safety hazard.
The low-voltage copper busbars are fixed with laminated wood wire clamps and epoxy boards and fastened with bolts. Combined with channel steel beams and lifting lugs, a stable clamping structure is formed.
It achieves stable and durable low-voltage lead copper busbars, ensuring safety and convenient installation, and avoiding loosening problems caused by insulator breakage.
Smart Images
Figure CN223956427U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer technical field, concretely relates to low voltage lead -in copper bar clamping structure of photovoltaic transformer. BACKGROUND
[0002] The low voltage three -phase bushing of photovoltaic transformer is not arranged in the middle because of the special structure, and will be on one side generally, resulting in that the low voltage lead -in copper bar is relatively long, and the copper bar is usually fixed by insulator, and the interphase insulation of copper bar is also by the way of binding with laminated wood, because the low voltage current is relatively large, and the copper bar specification is also large.
[0003] In the use, the low voltage lead -in copper bar of photovoltaic transformer is usually fixed by insulator, and the interphase insulation of copper bar is also by the way of binding with laminated wood, because the low voltage current is relatively large, and the copper bar specification is also large. SUMMARY
[0004] The utility model mainly solves the deficiency in prior art, and provides low voltage lead -in copper bar clamping structure of photovoltaic transformer, it has simple structure, good effect and convenient installation characteristics. Through the mode of welding fixed plate on the clamp piece, the wire clamp is made of laminated wood, the slot corresponding to the size of copper bar is formed on the wire clamp, the low voltage three -phase copper bar is fixed by laminated wood wire clamp and epoxy plate, double -layer wire clamp is used at the superposition of copper bar, finally fastening is adopted by bolt, so that the low voltage lead -in copper bar is stable and durable, and the production and installation are convenient, that is safe and practical.
[0005] The above technical problems of the utility model are mainly solved by the following technical scheme:
[0006] A kind of low voltage lead -in copper bar clamping structure of photovoltaic transformer, including transformer, the copper bus of transformer is equipped with several, copper bus and transformer are equipped with copper bar clamping assembly between the copper bus.The copper bar clamping assembly includes channel section beam, the low voltage lead -in copper bar of several copper bus connection is equipped at the front end of channel section beam, the low voltage lead -in copper bar and copper bus are equipped with mounting plate between the front end of low voltage lead -in copper bar, and the low voltage lead -in copper bar and channel section beam are equipped with epoxy plate, laminated wood wire clamp.
[0007] As preferred, the number of low voltage lead -in copper bar is 3, the low voltage lead -in copper bar is fixed by epoxy plate and laminated wood wire clamp, and multiple laminated wood wire clamps are used for clamping at the superposition of low voltage lead -in copper bar. The low voltage lead -in copper bar is fixed by laminated wood wire clamp, and two laminated wood wire clamps are used for installation at the superposition of low voltage lead -in copper bar, so as to ensure the safety distance between low voltage lead -in copper bar, and stable and durable.
[0008] As preferred, the laminated wood wire clamp is in a "concave" structure and is connected with the low-voltage lead copper bar in an embedded manner.
[0009] As preferred, the laminated wood wire clamp is provided with a fixing plate which is integrally welded with the channel steel beam, and the epoxy plate is provided with a plurality of bolts which are threadedly sleeved with the laminated wood wire clamp and the fixing plate.
[0010] As preferred, the laminated wood wire clamp is provided with a fixing plate which is integrally welded with the channel steel beam, and the epoxy plate is provided with a plurality of bolts which are threadedly sleeved with the laminated wood wire clamp and the fixing plate.
[0011] As preferred, the laminated wood wire clamp is provided with a fixing plate which is integrally welded with the channel steel beam, and the epoxy plate is provided with a plurality of bolts which are threadedly sleeved with the laminated wood wire clamp and the fixing plate.
[0012] As preferred, the laminated wood wire clamp is provided with a fixing plate which is integrally welded with the channel steel beam, and the epoxy plate is provided with a plurality of bolts which are threadedly sleeved with the laminated wood wire clamp and the fixing plate.
[0013] The utility model discloses can reach following effect:
[0014] The utility model provides a low pressure lead copper bar clamping structure of photovoltaic transformer, compare with prior art, it is simple in structure, effectual and convenient to install has the characteristics. Through the mode of welding fixed plate on the clamp piece, the wire clamp is made of laminated wood, the slot of corresponding copper bar size is opened on the wire clamp, the low voltage three -phase copper bar is fixed with laminated wood wire clamp and epoxy board, double -layer wire clamp is used at copper bar superposition, finally adopts bolt fastening, make low pressure lead copper bar durable and stable, and make installation convenient, safe and practical. DRAWINGS
[0015] Figure 1 It is the front view structure schematic diagram of the utility model.
[0016] Figure 2 It is the side view structure schematic diagram of the utility model.
[0017] Figure 3 It is the structure schematic diagram of copper bar clamping subassembly in the utility model.
[0018] In the drawing: copper busbar 1, transformer 2, copper bar clamping subassembly 3, mounting plate 4, epoxy plate 5, laminated wood wire clamp 6, low pressure lead copper bar 7, fixed plate 8, lug block 9, channel steel beam 10, washer 11, bolt 12. CONCRETE IMPLEMENTING METHOD
[0019] The technical scheme of the utility model will be further concretely explained below by examples and in combination with the drawings.
[0020] Example: as Figure 1 , Figure 2As shown in the figure, a low-voltage lead copper bar clamping structure of a photovoltaic transformer includes a transformer 2, three copper bus bars 1 arranged on the transformer 2, and copper bar clamping assemblies 3 arranged between the copper bus bars 1 and the transformer 2. The copper bar clamping assembly 3 includes a channel steel beam 10, lug blocks 9 integrally welded to the channel steel beam 10 at both sides of the upper end of the channel steel beam 10. The channel steel beam 10 is provided with three low-voltage lead copper bars 7 connected to the copper bus bars 1 at the front end of the channel steel beam 10, and the low-voltage lead copper bars 7 are provided with mounting plates 4 arranged between the front end of the low-voltage lead copper bars 7 and the copper bus bars 1, and the mounting plates 4 are bolted and fixed to the copper bus bars 1 and the low-voltage lead copper bars 7. The low-voltage lead copper bars 7 are provided with epoxy plates 5 and laminated wood wire clamps 6 arranged between the low-voltage lead copper bars 7 and the channel steel beam 10. The number of the low-voltage lead copper bars 7 is three, the low-voltage lead copper bars 7 are fixed by the epoxy plates 5 and the laminated wood wire clamps 6, and a plurality of laminated wood wire clamps 6 are used for clamping at the stacking position of the low-voltage lead copper bars 7. The laminated wood wire clamps 6 are connected to the low-voltage lead copper bars 7 in a recessed letter-shaped structure in an inserted manner. The laminated wood wire clamps 6 are provided with fixing plates 8 integrally welded to the channel steel beam 10 between the laminated wood wire clamps 6 and the channel steel beam 10, and the epoxy plates 5 are provided with two bolts 12 threadedly sleeved with the laminated wood wire clamps 6 and the fixing plates 8. The bolts 12 are provided with washers 11 sleeved with the bolts 12 between the bolts 12 and the epoxy plates 5.
[0021] In summary, the low-voltage lead copper bar clamping structure of the photovoltaic transformer has the characteristics of simple structure, good effect, and convenient installation. By welding the fixing plates on the clamping pieces, the wire clamps are made of laminated wood, the slots corresponding to the size of the copper bars are opened on the wire clamps, the low-voltage three-phase copper bars are fixed by the laminated wood wire clamps and the epoxy plates, double-layer wire clamps are used at the stacking position of the copper bars, and finally the bolts are used for fastening, so that the low-voltage lead copper bars are stable and durable, and the production and installation are convenient, safe and practical.
[0022] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.
[0023] In summary, the above-described is only a specific embodiment of the present application, but the structural characteristics of the present application are not limited thereto, and any person skilled in the art can make changes or modifications within the field of the present application, which are all covered by the patent scope of the present application.
Claims
1. A low-voltage lead copper bar clamping structure of a photovoltaic transformer, characterized in that: Including transformer (2), the transformer (2) is equipped with several copper bus (1), the copper bus (1) is equipped with copper bar clamping assembly (3) between transformer (2);The copper bar clamping assembly (3) includes channel steel beam (10), the channel steel beam (10) front end is equipped with several low-voltage lead copper bar (7) connected with copper bus (1), the low-voltage lead copper bar (7) front end is equipped with mounting plate (4) between copper bus (1), the low-voltage lead copper bar (7) is equipped with epoxy plate (5), laminated wood wire clamp (6) between channel steel beam (10).
2. The low-voltage lead copper bar clamping structure of a photovoltaic transformer according to claim 1, characterized in that: The low-voltage lead copper bar (7) is 3, the low-voltage lead copper bar (7) is fixed by epoxy plate (5) and laminated wood wire clamp (6), and multiple laminated wood wire clamps (6) are used for stacking and clamping at the stacking place of low-voltage lead copper bar (7).
3. The low voltage lead copper bar clamping structure of a photovoltaic transformer according to claim 2, characterized in that: The laminated wood wire clamp (6) is connected with the low-voltage lead copper bar (7) in a recessed character structure and an inserted embedding mode.
4. The low voltage lead copper bar clamping structure of a photovoltaic transformer according to claim 2, characterized in that: The laminated wood wire clamp (6) is equipped with fixed plate (8) integrally welded with the channel steel beam (10) between the channel steel beam (10), and the epoxy plate (5) is equipped with several bolts (12) penetrating the laminated wood wire clamp (6) and the fixed plate (8) and threadedly sleeved.
5. The low voltage lead copper bar clamping structure of a photovoltaic transformer according to claim 4, characterized in that: The bolt (12) is equipped with washer (11) sleeved with the bolt (12) between the epoxy plate (5).
6. The low voltage lead copper bar clamping structure of a photovoltaic transformer according to claim 1, characterized in that: The channel steel beam (10) is equipped with lifting lug block (9) integrally welded with the channel steel beam (10) on both sides of the upper end of the channel steel beam (10).
7. The low voltage lead copper bar clamping structure of a photovoltaic transformer according to claim 1, characterized in that: The mounting plate (4) is bolted and fixed with the copper bus (1) and the low-voltage lead copper bar (7).