Large-current thyristor rectification power supply
By optimizing the water-cooling system and internal layout of the high-current thyristor power supply, the problems of high structural redundancy and inconvenient maintenance in traditional systems have been solved, achieving efficient heat dissipation and convenient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional high-current thyristor power supplies suffer from high structural redundancy and disordered piping layout in their heat dissipation systems, leading to reduced system reliability and inconvenient maintenance.
The internal layout is optimized by using water-cooled radiators and insulating supports to support the thyristors and copper busbars, combined with air-cooled fans and air inlets. Insulating supports and covers made of 3240 epoxy material are used to improve heat dissipation efficiency and equipment stability.
It achieves efficient heat dissipation, keeps the inside of the equipment clean and tidy, and makes thyristor replacement convenient, thereby improving the reliability and ease of maintenance of the system.
Smart Images

Figure CN224054628U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rectifier equipment technology, specifically to a high-current thyristor rectifier power supply. Background Technology
[0002] High-current thyristor power supplies generate significant thermal effects due to high-power operation, placing high demands on the heat dissipation system. Traditional air-cooling and water-cooling solutions suffer from engineering implementation pain points such as high structural redundancy and disordered piping layout, which can easily lead to reduced system reliability and inconvenient maintenance. Summary of the Invention
[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a high-current thyristor rectifier power supply.
[0004] The objective of this utility model is achieved through the following technical solution:
[0005] This utility model discloses a high-current thyristor rectifier power supply, including a cabinet, a first water-cooled heat sink, a second water-cooled heat sink, a fuse, an insulating cover, an input copper busbar, and an output copper busbar. Several first and second insulating supports are evenly distributed within the cabinet. These supports support the first and second water-cooled heat sinks, the input copper busbar, and the output copper busbar. Each first insulating support has a first water-cooled heat sink fixedly mounted on it. The output copper busbar is also fixedly mounted on the output copper busbar. A thyristor is crimped onto the first water-cooled heat sink, and the thyristor is also crimped onto one surface of the second water-cooled heat sink. A fuse is mounted on the other surface of the second water-cooled heat sink. The insulating cover is bolted to the top of the cabinet, and the input copper busbar passes through the insulating cover and is mounted on the fuse.
[0006] Furthermore, a cooling fan is also installed on the upper rear side of the cabinet.
[0007] Furthermore, the bottom of the cabinet contains an inherent water channel assembly.
[0008] Furthermore, a temperature alarm is also installed on the surface of the first water-cooled radiator.
[0009] Furthermore, the bottom of the cabinet is provided with air inlets for heat exchange between the inside of the cabinet and the outside environment.
[0010] Furthermore, the ends of the first and second water-cooled radiators are provided with threaded holes, and copper tubes are embedded on the surfaces of the first and second water-cooled radiators.
[0011] Furthermore, the first insulating support, the second insulating support, and the insulating cover are all made of 3240 epoxy material.
[0012] Further, the first and second insulation supports are fixed in the cabinet by bolts.
[0013] The utility model discloses beneficial effect is:
[0014] 1) the utility model discloses be provided with various heat abstractor, and the heat dissipation effect is good, makes equipment can long -term stable operation.
[0015] 2) the utility model discloses that the thyristor is pressed in between first water -cooled radiator and second water -cooled radiator, and the thyristor is convenient to replace, and easy to later maintenance.
[0016] 3) the utility model discloses the line nearest connection, makes the whole cabinet internal neat and clean. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a large current thyristor rectifier power supply's structure diagram for the utility model embodiment;
[0018] Figure 2 It is the structure diagram of water -cooled radiator of a large current thyristor rectifier power supply for the utility model embodiment;
[0019] In the drawing, 1-cabinet, 2-first insulation support, 3-first water -cooled radiator, 4-second water -cooled radiator, 5-fuse, 6-insulation cover plate, 7-input copper row, 8-heat dissipation fan, 9-waterway subassembly, 10-second insulation support, 11-current sensor, 12-temperature alarm, 13-thyristor, 14-output copper row. DETAILED DESCRIPTION
[0020] The technical scheme of the utility model will be described below in clear and complete manner in connection with embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0021] The utility model discloses a kind of large current thyristor rectifier power supply, and its structure schematic diagram is as Figure 1As shown, including cabinet 1, the first water-cooled radiator 3, the second water-cooled radiator 4, the fuse 5, the insulating cover plate 6 and the input copper bar 7, the cabinet 1 is uniformly distributed with a plurality of first insulating support 2 and second insulating support 10, the first insulating support 2 and second insulating support 10 for supporting the first water-cooled radiator 3, the second water-cooled radiator 4, the input copper bar 7 and the output copper bar 14, and each first insulating support 2 is fixedly installed with the first water-cooled radiator 3, the first water-cooled radiator 3 is fixedly installed with the output copper bar 14, the output copper bar 14 is also fixedly installed with the current sensor 11, the first water-cooled radiator 3 is also crimped with the thyristor 13, the thyristor 13 is also crimped with the second water-cooled radiator 4, the other surface of the second water-cooled radiator 4 is installed with the fuse 5; the insulating cover plate 6 is fixed on the upper side of the cabinet 1 by bolts, and the input copper bar 7 passes through the insulating cover plate 6 and is installed on the fuse 5. The current sensor 11 is used for detecting the output current. The fuse 5 is directly installed on the surface of the second water-cooled radiator 4 to avoid the temperature of the fuse 5 being too high. The structure diagram of the water-cooled radiator is shown in Figure 2 .
[0022] Exemplarily, the upper side of the rear part of the cabinet 1 is also provided with a cooling fan 8.
[0023] Exemplarily, the waterway assembly 9 is clamped and fixed in the bottom of the cabinet 1.
[0024] Exemplarily, the surface of the first water-cooled radiator 3 is also provided with a temperature alarm 12. The temperature alarm 12 is used for detecting the temperature of the first water-cooled radiator 3.
[0025] Exemplarily, the bottom of the cabinet 1 is provided with an air inlet hole for heat exchange inside the cabinet 1.
[0026] Exemplarily, the end of the first water-cooled radiator 3 and the second water-cooled radiator 4 is provided with a threaded hole, and the surface is inlaid with a copper pipe. The copper pipe can better take away the heat generated by the thyristor, and is not easy to be corroded by water quality, and the threaded hole is used for connecting the circuit.
[0027] Exemplarily, the first insulating support 2, the second insulating support 10 and the insulating cover plate 6 are all made of 3240 epoxy material. The insulating cover plate 6 is made of 3240 epoxy material to avoid the magnetic field of the alternating input causing the cabinet to heat. The first insulating support 2 and the second insulating support 10 are made of 3240 epoxy material to support the copper bar and the radiator in the cabinet, avoiding the copper bar from being deformed due to excessive weight.
[0028] Exemplarily, the first insulating support 2 and the second insulating support 10 are fixed in the cabinet 1 by bolts.
[0029] The utility model solves the problem of high structure redundancy, pipeline layout disorder, system reliability reduction and inconvenient maintenance in prior art, and provides a high current thyristor rectifier power supply with internal layout beauty, line order, good use stability, convenient later maintenance and repair.
[0030] The above is only the preferred embodiment of the utility model, and it should be understood that the utility model is not limited to the form disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.
Claims
1. A high current thyristor rectifier power supply characterized by: Including cabinet (1), first water cooling radiator (3), second water cooling radiator (4), fuse (5), insulating cover plate (6), input copper bar (7) and output copper bar (14), the cabinet (1) is uniformly distributed with a plurality of first insulating support (2) and second insulating support (10), the first insulating support (2) and second insulating support (10) are used to support first water cooling radiator (3), second water cooling radiator (4), input copper bar (7) and output copper bar (14), and each first insulating support (2) is fixedly installed first water cooling radiator (3), the first water cooling radiator (3) is fixedly installed output copper bar (14), the output copper bar (14) is also fixedly installed current sensor (11), the first water cooling radiator (3) is crimped thyristor (13), the thyristor (13) is also crimped with the surface of second water cooling radiator (4), the other surface of second water cooling radiator (4) is installed fuse (5);The insulating cover plate (6) is fixed on the upper end of cabinet (1) by bolt, the input copper bar (7) passes through the insulating cover plate (6) and is installed on the fuse (5).
2. A high current thyristor rectifier power supply according to claim 1, characterized in that: The rear upper side of the cabinet (1) is also provided with a cooling fan (8).
3. A high current thyristor rectifier power supply as claimed in claim 1, characterized in that: The waterway assembly (9) is clamped in the bottom of the cabinet (1).
4. A high current thyristor rectifier power supply as claimed in claim 1, characterized in that: The surface of the first water cooling radiator (3) is also provided with a temperature alarm (12).
5. A high current thyristor rectifier power supply as claimed in claim 1, characterized in that: The bottom of the cabinet (1) is provided with an air inlet hole for heat exchange between the inside of the cabinet (1) and the outside.
6. A high current thyristor rectifier power supply as claimed in claim 1, characterized in that: The end of the first water cooling radiator (3) and the second water cooling radiator (4) is provided with a threaded hole, and the surface of the first water cooling radiator (3) and the second water cooling radiator (4) is embedded with a copper pipe.
7. A high current thyristor rectifier power supply as claimed in claim 1, characterized in that: The first insulating support (2), the second insulating support (10) and the insulating cover plate (6) are all made of 3240 epoxy material.
8. A high current thyristor rectifier power supply as claimed in claim 1, characterized in that: The first insulating support (2) and the second insulating support (10) are fixed in the cabinet (1) by bolts.