Double-voltage output rectifier transformer
By designing a dual voltage output rectifier transformer, the high-voltage winding and voltage regulation winding are used to solve the problem of the large number of rectifier transformers and low usage rate of electrolytic smelting equipment in different production capacity tests, realizing the flexible voltage output of the equipment and improving the testing efficiency.
Patent Information
- Application Number
- CN202422382755.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-29
AI Technical Summary
In the prior art, electrolytic smelting equipment requires different rectifier transformers when testing different production capacity, resulting in the problem of a large number of rectifier transformers for testing and low usage.
A dual voltage output rectifier transformer is designed. Through the coordination of high-voltage winding, first voltage regulating winding and second voltage regulating winding, combined with on-load voltage regulating switch and unload voltage regulating switch, the switching of two voltage segments is achieved, and a voltage regulating transformer is used to achieve a low voltage voltage output of a wide range and different stages.
It is realized that the use of a rectifier transformer can meet the testing needs of electrolytic smelting equipment of different production capacity, and improves the flexibility and use efficiency of the equipment.
Smart Images
Figure CN223140528U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformers, and more specifically, it relates to a dual-voltage output rectifier transformer. Background Art
[0002] A wide-range step-down output rectifier transformer, which consists of a voltage regulating transformer, multiple main transformers, an on-load tap-changer and other necessary components, can achieve a wide-range step-down low-voltage output to meet the process requirements of electrolysis and smelting.
[0003] In electrolysis and smelting equipment production units, it is necessary to conduct empirical tests on newly developed electrolysis and smelting equipment with the same process but different production capacities to test the performance indicators of the electrolysis and smelting equipment. During the test, different production capacity smelting equipment needs to use their respective different rectifier transformers, and the number of test rectifier transformers is large and the utilization rate is low. Electrolysis and smelting equipment production units need a rectifier transformer that can test electrolysis and smelting equipment with the same process but different production capacities. Summary of the Utility Model
[0004] Aiming at the problems existing in the prior art, the utility model provides a dual-voltage output rectifier transformer to solve the technical problems mentioned in the background art.
[0005] To achieve the above object, the utility model provides the following technical solution: A dual-voltage output rectifier transformer includes a voltage regulating transformer. The voltage regulating transformer includes a high-voltage winding, a first voltage regulating winding and a second voltage regulating winding. The lower end of the voltage regulating transformer is provided with a first on-load tap-changer, a second on-load tap-changer and a no-load tap-changer. The first on-load tap-changer cooperates with the first voltage regulating winding, the second on-load tap-changer and the no-load tap-changer cooperate, and the no-load tap-changer is arranged between the first on-load tap-changer and the second on-load tap-changer and cooperates with the first on-load tap-changer and the second on-load tap-changer.
[0006] The utility model is further arranged such that one end of the voltage regulating transformer is provided with a support body, and the voltage regulating transformer, the first on-load tap-changer, the second on-load tap-changer and the no-load tap-changer are all arranged on the support body for the installation and protection of each electric control device.
[0007] The utility model is further arranged such that a main transformer is provided at the lower end of the support body.
[0008] Compared with the prior art, the utility model provides a dual-voltage output rectifier transformer, which has the following beneficial effects:
[0009] The device provides a regulating transformer with two voltage segments through the cooperation of a high-voltage winding, a first regulating winding, and a second regulating winding. The first on-load tap-changer and the second on-load tap-changer cooperate with the first regulating winding and the second regulating winding respectively to control different voltage segments, and the off-load tap-changer is used to realize the switching between different voltage segments, so as to cooperate with the main transformer. Through one regulating transformer, the low-voltage voltage output with a wide range of double voltages and different voltage steps can be realized. Description of the Drawings
[0010] Figure 1 It is a front structural schematic diagram of a double-voltage output rectifier transformer in the present utility model;
[0011] Figure 2 It is a circuit structural schematic diagram of a double-voltage output rectifier transformer in the present utility model.
[0012] In the figure: 1, regulating transformer; 2, high-voltage winding; 3, first regulating winding; 4, second regulating winding; 5, first on-load tap-changer; 6, second on-load tap-changer; 7, off-load tap-changer; 8, support body; 9, main transformer. Detailed Embodiment
[0013] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The present utility model will be described in detail below with reference to the drawings and in conjunction with the embodiments.
[0014] It should be pointed out that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.
[0015] In the present utility model, unless otherwise stated, the orientations such as "upper, lower" are usually in the directions shown in the drawings, or in the vertical, perpendicular or gravitational directions; similarly, for the convenience of understanding and description, "left, right" are usually in the left and right shown in the drawings; "inside, outside" refer to the inside and outside relative to the contour of each component itself, but the above orientation terms are not used to limit the present utility model.
[0016] Please refer to Figure 1-2 , a double-voltage output rectifier transformer, comprising a regulating transformer 1, characterized in that: the regulating transformer 1 includes a high-voltage winding 2, a first regulating winding 3, and a second regulating winding 4. A first on-load tap-changer 5, a second on-load tap-changer 6, and an off-load tap-changer 7 are provided at the lower end of the regulating transformer 1. The first on-load tap-changer 5 cooperates with the first regulating winding 3, the second on-load tap-changer 6 and the off-load tap-changer 7 cooperate, and the off-load tap-changer 7 is arranged between the first on-load tap-changer 5 and the second on-load tap-changer 6 and cooperates with the first on-load tap-changer 5 and the second on-load tap-changer 6.
[0017] In this embodiment, by the cooperation of the high-voltage winding 2 with the first voltage regulating winding 3 and the second voltage regulating winding 4, windings with different degrees can provide different voltage segments. When using the device to output voltage, the position of the off-load tap-changer 7 is adjusted to the left, so that the off-load tap-changer 7 cooperates with the first on-load tap-changer 5. The first voltage regulating winding 3 outputs to the off-load tap-changer 7 through the first on-load tap-changer 5. The position of the off-load tap-changer 7 is adjusted to the right, so that the off-load tap-changer 7 cooperates with the second on-load tap-changer 6. The second voltage regulating winding 4 outputs to the off-load tap-changer 7 through the second on-load tap-changer 6. By adjusting the off-load tap-changer 7, different voltage segments can be output.
[0018] Please refer to Figure 1 , as a further implementation of the voltage regulating transformer 1: A support body 8 is provided at one end of the voltage regulating transformer 1. The voltage regulating transformer 1, the first on-load tap-changer 5, the second on-load tap-changer 6 and the off-load tap-changer 7 are all arranged on the support body 8.
[0019] Specifically, each component is installed on the support body 8. Through the support and protection of the support body 8, the voltage regulating transformer 1 and components such as each tap-changer are stably cooperated.
[0020] Please refer to Figure 1 , as a further implementation of the support body 8: A main transformer 9 is provided at the lower end of the support body 8.
[0021] Specifically, the main transformer 9 provides voltage. After adjusting the off-load tap-changer 7, the off-load tap-changer 7 outputs appropriate voltage to the main transformer 9.
[0022] In summary, when the overall device is in use or operation:
[0023] When the device is used, the device is connected to the external power supply and other related equipment. Through the support and protection of the supporting body 8, the voltage regulating transformer 1, the voltage regulating switch and other components are stably matched. Through the high-voltage winding 2, the first voltage regulating winding 3 and the second voltage regulating winding 4, different degrees of windings can provide different voltage segments, forming two voltage segments, and the number of windings of the first voltage regulating winding 3 and the second voltage regulating winding 4 is adjusted according to the needs to provide two suitable voltage segments. When the device is used to output voltage, if one of the voltage segments needs to be output, the gear position of the no-load voltage regulating switch 7 is adjusted to the left, so that the no-load voltage regulating switch 7 cooperates with the first on-load voltage regulating switch 5, and the first voltage regulating winding The first on-load voltage regulating switch 5 is output to the no-load voltage regulating switch 7, and then the no-load voltage regulating switch 7 is output to the main transformer 9, so that the first on-load voltage regulating switch 5 is operated to output the first voltage segment, and when another voltage segment needs to be output, the gear position of the no-load voltage regulating switch 7 is adjusted to the right side, so that the no-load voltage regulating switch 7 cooperates with the second on-load voltage regulating switch 6, and the second voltage regulating winding 4 is output to the no-load voltage regulating switch 7 through the second on-load voltage regulating switch 6, and then the no-load voltage regulating switch 7 is output to the main transformer 9, so that another voltage segment is output by operating the second on-load voltage regulating switch 6, and different voltage segments can be output by adjusting the no-load voltage regulating switch 7.
[0024] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.
Claims
1. A dual-voltage output rectifier transformer, comprising a voltage regulating transformer (1), characterized in that: The voltage regulating transformer (1) includes a high-voltage winding (2), a first voltage regulating winding (3) and a second voltage regulating winding (4). A first on-load tap-changer (5), a second on-load tap-changer (6) and a no-load tap-changer (7) are provided at the lower end of the voltage regulating transformer (1). The first on-load tap-changer (5) cooperates with the first voltage regulating winding (3), the second on-load tap-changer (6) and the no-load tap-changer (7) cooperate, and the no-load tap-changer (7) is arranged between the first on-load tap-changer (5) and the second on-load tap-changer (6) and cooperates with the first on-load tap-changer (5) and the second on-load tap-changer (6).
2. The dual-voltage output rectifying transformer according to claim 1, wherein: A support body (8) is provided at one end of the voltage regulating transformer (1). The voltage regulating transformer (1), the first on-load tap-changer (5), the second on-load tap-changer (6) and the no-load tap-changer (7) are all arranged on the support body (8).
3. The dual-voltage output rectifying transformer according to claim 2, characterized in that: A main transformer (9) is provided at the lower end of the support body (8).