A low-voltage large-current coil voltage regulating device

Abstract

The utility model discloses a low voltage large current coil voltage regulating device for the outside of the iron core of transformer, comprising: coil assembly, winding in the outside of the iron core, coil assembly sets up several layers of coils, and each layer of coils is wound layer by layer from inside to outside, and each layer of coils is provided with a coil tap, and the coil of the outermost layer is wound to form a coil head after winding is completed, a connecting piece is arranged between the coil head and the coil tap, the several coil taps are set as several voltage regulating gear positions, three coil taps of A / B / C are combined into three-phase D connection, a voltage regulating assembly comprises a connecting row and a slider row, the connecting row is connected with the coil head, one end of the slider row is slidably connected with the connecting row, and the other end is overlapped with the voltage regulating gear position. The problem of the voltage regulating precision of the low voltage large current coil is solved.

Description

Technical Field

[0001] This utility model relates to the field of electronic equipment technology, specifically to a low-voltage, high-current coil voltage regulating device. Background Technology

[0002] In power transmission and use, transformers, as crucial electrical equipment, often require voltage regulation based on actual needs. For low-voltage, high-current applications, traditional voltage regulating devices suffer from insufficient regulation accuracy and poor stability, failing to meet the growing demands of industrial production and specialized electrical equipment. Existing voltage regulating devices have limitations in structural design and operating principles, hindering flexible and reliable voltage regulation operations, leading to wasted power resources and reduced equipment operating efficiency. Therefore, developing a novel low-voltage, high-current coil voltage regulating device has become a pressing issue for those skilled in the art. Utility Model Content

[0003] This application provides a low-voltage, high-current coil voltage regulating device for use on the outside of a transformer core, comprising: A coil assembly is wound around the outside of an iron core. The coil assembly has several layers of coils, each layer of which is wound from the inside out. Each layer of coil has a coil tap. The outermost coil is wound to form a coil head; A connector is provided between the coil head and the coil tap; Several of the aforementioned coil taps are configured as several voltage adjustment levels; One of the coil heads is configured as a three-phase D-connection; The voltage regulating assembly includes a connecting bar and a slider bar. The connecting bar is connected to the coil head, and one end of the slider bar is slidably connected to the connecting bar, while the other end is connected to the voltage regulating position.

[0004] Optionally, the connector is an insulated connector.

[0005] Optionally, the slider bar is provided with a plurality of sliders, each slider corresponding to a voltage regulation level. By sliding the slider, the corresponding voltage regulation level can be selected for voltage adjustment.

[0006] Optionally, the coil assembly further includes an insulating layer wound around the outside of the iron core, the insulating layer being disposed between the coil assembly and the iron core to improve the safety and stability of the device.

[0007] Optionally, the slider array is further provided with contact points, which are located on one side of the slider array and are used to connect the slider with the voltage adjustment position to prevent the slider from sliding during voltage adjustment and to ensure the stability of the voltage adjustment position.

[0008] Optionally, the contact point is an elastic contact point, which can maintain stable contact with the pressure adjustment position.

[0009] Optionally, the elastic contact point is made of a highly conductive material.

[0010] The beneficial effects of this application are as follows: This application provides a coil assembly that employs multi-layered coils wound layer by layer from the inside out, with coil taps on each layer to form multiple voltage regulation levels. Based on this structure, it is possible to achieve fine adjustment of the transformer's output voltage across multiple levels, significantly improving voltage regulation accuracy. Because different voltage regulation levels correspond to different numbers of coil turns, the appropriate number of turns can be precisely selected for connection to the circuit according to actual needs, thereby achieving precise control of the output voltage. This meets the stringent voltage accuracy requirements in low-voltage, high-current scenarios, effectively solving the problem of insufficient voltage regulation accuracy in traditional devices.

[0011] The voltage regulating assembly provided in this application features a slider array, sliders, and contact points. The slider array has sliders corresponding to each voltage regulation level, and these sliders are connected to the voltage regulation levels via elastic contact points. This design makes voltage regulation operation more flexible and reliable. Firstly, the elastic contact points are made of highly conductive material, ensuring good conductivity while maintaining stable contact with the voltage regulation level, ensuring stability and reliability during high-current transmission and avoiding voltage fluctuations and equipment failures due to poor contact. Secondly, operators can conveniently select the voltage regulation level by sliding the sliders, achieving rapid voltage adjustment. Compared to traditional voltage regulation methods, this is simpler to operate, improves equipment operating efficiency, and enhances the stability of the device in low-voltage, high-current environments, overcoming the poor stability of traditional voltage regulating devices. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the pressure regulating device provided by this utility model; Figure 2 This is a schematic diagram of the first gear of the pressure regulating position provided by this utility model; Figure 3 This is a schematic diagram illustrating the use of the five pressure regulating positions provided by this utility model; In the diagram: 1. Iron core; 2. Coil; 3. Coil tap; 4. Coil head; 5. Connector; 6. Voltage regulating position; 7. Three-phase D-connection; 8. Connecting bar; 9. Slider bar; 10. Slider; 11. Contact point. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] This application provides a low-voltage, high-current coil voltage regulating device for use on the outside of a transformer core 1. It includes a coil assembly wound on the outside of the core 1, wherein the coil assembly has several layers of coils 2, each layer of coils 2 wound sequentially from the inside out, and each layer of coils 2 has a coil tap 3. After the outermost coil 2 is wound, it forms the coil head 4; A connector 5 is provided between the coil head 4 and the coil tap 3, and the connector 5 is an insulating connector. The coil taps 4 are configured as a plurality of voltage adjustment positions 6; One of the coil taps 4 is configured as a three-phase D-connection 7, which is composed of three coil taps 3, A / B / C. The coil assembly also includes an insulating layer wound around the outside of the iron core 1, the insulating layer being disposed between the coil assembly and the iron core 1 to improve the safety and stability of the device.

[0015] The voltage regulating assembly includes a connecting strip 8 and a slider strip 9. The connecting strip 8 is connected to the coil head 4. One end of the slider strip 9 is slidably connected to the connecting strip 8, and the other end is connected to the voltage regulating position 6.

[0016] The slider row 9 is provided with a plurality of sliders 10, each slider 10 corresponding to a voltage adjustment position 6. By sliding the slider 10, the corresponding voltage adjustment position 6 can be selected for voltage adjustment.

[0017] The slider row 9 is also provided with a contact point 11, which is located on one side of the slider row 9 and is used to connect the slider 10 with the voltage regulating position 6 to prevent the slider 10 from sliding during voltage regulation and to ensure the stability of the voltage regulating position 6.

[0018] The contact point 11 is an elastic contact point, which can maintain stable contact with the voltage adjustment position, and the elastic contact point is made of a highly conductive material.

[0019] It should be noted that when the transformer is working, an alternating magnetic field is generated in the iron core 1, and the coil 2 in the coil assembly generates an induced electromotive force under the action of the alternating magnetic field. When adjusting the voltage, the operator selects different voltage adjustment levels 6 by sliding the slider 10 on the slider block 9; when the slider 10 slides to a certain voltage adjustment level 6, the slider 10 is stably connected to that voltage adjustment level 6 through the contact point 11. Since different voltage adjustment levels 6 correspond to coils 2 with different numbers of turns, changing the number of coil turns connected to the circuit can achieve the adjustment of the output voltage.

[0020] For example, when it is necessary to increase the output voltage, the operator slides the slider 10 towards the voltage adjustment position 6 with more turns. At this time, the number of coil turns connected to the circuit increases, and the output voltage increases accordingly while the input voltage remains unchanged. Conversely, when it is necessary to decrease the output voltage, the operator slides the slider 10 towards the voltage adjustment position 6 with fewer turns. The number of coil turns connected to the circuit decreases, and the output voltage decreases. Here, the voltage adjustment position 6 is the coil 6 that gradually approaches the iron core 1. The number of turns of the coil 6 gradually decreases as it approaches the layer, and vice versa.

[0021] Throughout the voltage regulation process, the insulating connector 5 ensures electrical insulation between the coil head 4 and the coil tap 3, preventing faults such as short circuits; the insulation layer effectively isolates the coil assembly from the iron core 1, improving the safety of the device; the elastic contact point 11 is made of highly conductive material, ensuring good electrical connection and stable contact between the slider 10 and the voltage regulation position 6, ensuring stable current transmission, thereby achieving precise and stable regulation of the transformer output voltage.

[0022] In the actual production process, the transformer core 1 is first made, and an insulating layer is wound around the outside of the core 1. Then, according to the design requirements, several layers of coil 2 of the coil assembly are wound from the inside to the outside. After each layer of coil 2 is wound, a corresponding coil tap 3 is set. After the outermost layer of coil 2 is wound, a coil head 4 is formed, and an insulating connector 5 is installed to connect the coil head 4 and the coil tap 3.

[0023] Next, install the voltage regulating assembly, reliably connect the connecting strip 8 to the coil head 4, slide one end of the slider strip 9 to the connecting strip 8, and install several sliders 10 and contact points 11 on the slider strip 9 to ensure that each slider 10 corresponds to a voltage regulating position 6, and that the contact point 11 can stably connect the slider 10 and the voltage regulating position 6.

[0024] After the device is installed, it is connected to the transformer's circuit system. In actual use, the operator can adjust the transformer's output voltage by manually or electrically sliding slider 10 to select the appropriate voltage adjustment level 6, according to specific voltage requirements, in order to meet the low-voltage, high-current needs of different electrical equipment and working scenarios.

[0025] The above description is merely a few embodiments of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any changes or modifications made by those skilled in the art without departing from the scope of the technical solution of this application using the disclosed technical content are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A low-voltage, high-current coil voltage regulating device for use on the outside of the core (1) of a transformer, characterized in that, include The coil assembly is wound on the outside of the iron core (1). The coil assembly is provided with several layers of coils (2). Each layer of the coil (2) is wound from the inside to the outside. Each layer of the coil (2) is provided with a coil tap (3). After the outermost coil (2) is wound, a coil head (4) is formed. A connector (5) is provided between the coil head (4) and the coil tap (3); Several coil taps (3) are configured as several voltage adjustment positions (6); One of the coil heads (4) is configured as a three-phase D-connection (7); The voltage regulating assembly includes a connecting bar (8) and a slider bar (9). The connecting bar (8) is connected to the coil head (4). One end of the slider bar (9) is slidably connected to the connecting bar (8), and the other end is connected to the voltage regulating position (6).

2. The low-voltage, high-current coil voltage regulating device according to claim 1, characterized in that, The connector (5) is an insulating connector.

3. The low-voltage, high-current coil voltage regulating device according to claim 1, characterized in that, The slider row (9) is provided with a number of sliders (10), each slider (10) corresponds to a voltage regulation position (6), and the corresponding voltage regulation position (6) can be selected by sliding the slider (10) for voltage regulation.

4. The low-voltage, high-current coil voltage regulating device according to claim 1, characterized in that, The coil assembly also includes an insulating layer wound around the outside of the iron core (1), the insulating layer being disposed between the coil assembly and the iron core (1) to improve the safety and stability of the device.

5. A low-voltage, high-current coil voltage regulating device according to claim 1, characterized in that, The slider row (9) is also provided with a contact point (11), which is located on one side of the slider row (9) and is used to connect the slider (10) with the voltage adjustment position (6) to prevent the slider (10) from sliding during voltage adjustment and to ensure the stability of the voltage adjustment position (6).

6. The low-voltage, high-current coil voltage regulating device according to claim 5, characterized in that, The contact point (11) is an elastic contact point, which can maintain stable contact with the pressure adjustment position.

7. A low-voltage, high-current coil voltage regulating device according to claim 6, characterized in that, The elastic contact points are made of a highly conductive material.

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