Soft-start transient-voltage-drop-resistant restarting device
By covering the anti-crosstalk mutual inductor on the surface of the transformer winding, the mutual crosstalk and induction problems between the high-voltage winding and the low-voltage winding are solved, ensuring the long-term normal operation of the transformer and the stability of the grid.
Patent Information
- Application Number
- CN202420889073.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing soft-start anti-transient voltage drop re-start device cannot effectively prevent mutual crosstalk and mutual induction between the high-voltage winding and the low-voltage winding, resulting in a shortened service life of the equipment and unstable grid.
The winding surface of the transformer is covered with anti-cross-talk mutual inductors, including the lead wires of the high-voltage winding and the low-voltage winding. The anti-cross-talk mutual inductors a and b are respectively covered to avoid crosstalk and induction, and a matrix-arranged anti-cross-talk mutual inductor is arranged on the top of the transformer shell. .
It effectively avoids crosstalk and induction between the high-voltage winding and low-voltage winding, ensures the long-term normal operation of the transformer, and improves the service life of the equipment and the stability of the power grid.
Smart Images
Figure CN222215555U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of soft starting, in particular to a soft starting anti-transient voltage drop restart device. Background Art
[0002] When a traditional motor is started, a large starting current will be generated, which may cause an impact on the power grid and equipment, resulting in equipment damage or power grid instability. The soft start anti-transient voltage drop restart device can achieve smooth starting and reduce current impact through an automatic controller. With the continuous development of the power grid and the demand for intelligent power equipment, the soft start anti-transient voltage drop restart device has been widely used. By using advanced power electronic devices, automatic control technology and intelligent algorithms, precise control of the motor starting process can be achieved. Power system stability: Voltage fluctuations and current impacts in the power system will have a great impact on power equipment and power grids. The soft start anti-transient voltage drop restart device can maintain the stability of the power system and increase the service life of power equipment by reducing current impact and voltage fluctuations. Energy efficiency improvement: The traditional motor starting method will produce a large energy loss, while the soft start anti-transient voltage drop restart device can reduce energy loss and improve the energy efficiency of starting by controlling the time, current and voltage of the starting process. Safety and reliability: The soft start anti-transient voltage drop restart device can avoid equipment damage caused by excessive current and monitor and protect through automatic control. At the same time, it can also avoid failures caused by unstable power grid and improve the safety and reliability of equipment operation. The above-mentioned comparative documents and prior arts have the following technical problems: the common soft-start anti-transient voltage drop restart devices in the current market cannot prevent mutual crosstalk and mutual induction between high-voltage windings and low-voltage windings, which will greatly shorten the utilization efficiency during use. Utility Model Content
[0003] The utility model aims to provide a soft-start anti-transient voltage drop restart device, which can effectively avoid mutual crosstalk and mutual induction between high-voltage windings and low-voltage windings, and ensure that the transformer can work normally for a long time.
[0004] The utility model is realized by the following technical solutions:
[0005] A soft-start anti-transient voltage drop restart device comprises a transformer and a soft starter, wherein the soft starter is electrically connected to the input end of the transformer through a transmission line; an anti-crosstalk mutual inductor is arranged on the top of the transformer, and the anti-crosstalk mutual inductor covers the surface of the winding. In order to solve the above technical problems and achieve corresponding technical effects, the utility model can effectively avoid the mutual crosstalk and mutual induction between the high-voltage winding and the low-voltage winding by covering the anti-crosstalk mutual inductor on the surface of the winding, thereby ensuring that the transformer can work normally for a long time.
[0006] Further technical solutions:
[0007] The anti-crosstalk mutual inductance comprises an anti-crosstalk mutual inductance a and an anti-crosstalk mutual inductance b. The anti-crosstalk mutual inductance a covers the lead-out wires of the high-voltage winding, and the anti-crosstalk mutual inductance b covers the lead-out wires of the low-voltage winding.
[0008] Further: the anti-crosstalk mutual inductance component a is fixed to the top of the transformer housing, and a plurality of the anti-crosstalk mutual inductance components a are arranged in a matrix;
[0009] Further: the anti-crosstalk mutual inductance component b is fixed to the top of the transformer casing, and a plurality of the anti-crosstalk mutual inductance components b are arranged in a matrix.
[0010] Further: it also includes a safety airway, which is arranged on the top of the transformer housing and communicates with the internal space of the transformer;
[0011] Further: a glass film is arranged in the safety airway.
[0012] Further: it also includes a heat sink, and a plurality of the heat sinks are arranged on the side wall of the transformer housing;
[0013] Furthermore: the side walls around the transformer are all provided with heat sinks.
[0014] Further: it also includes a soft starter box and a motor, the motor is arranged in the soft starter box,
[0015] Further: the soft starter is arranged in the soft starter box, and the soft starter is arranged beside the motor;
[0016] Further: the soft starter is electrically connected to the motor.
[0017] Furthermore: a display screen and a plurality of control buttons are arranged on the surface of the soft starter, and the plurality of control buttons are arranged side by side below the display screen.
[0018] Furthermore: the control buttons are evenly and equidistantly arranged below the display screen, and the edges of each control button are rounded.
[0019] Furthermore: a plurality of switches are arranged on the transmission line, and the distance between two adjacent switches is the same;
[0020] Further: the switch is arranged in the soft starter box.
[0021] Furthermore: the soft starter box is provided with a cabinet door, and the cabinet door is provided with a door handle.
[0022] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0023] 1. The utility model is a soft-start anti-transient voltage drop restart device, which can effectively avoid the mutual crosstalk and mutual induction between the high-voltage winding and the low-voltage winding by covering the anti-crosstalk mutual inductance parts on the winding surface, ensuring that the transformer can work normally for a long time.
[0024] 2. The utility model provides a soft-start anti-transient voltage drop restart device, and multiple switch switches are set at the same time. When using the device, the switch switch can switch the switch with the advantages of safety and reliability. At the same time, the switch action is fast, the operation is simple, and the installation is convenient. It can realize automatic switching when the main power supply fails or the power is cut off, ensuring continuous and uninterrupted power supply to the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:
[0026] Figure 1 It is a schematic diagram of the structure of the utility model;
[0027] Figure 2 This is the front view of the structure of the utility model;
[0028] Figure 3 This is a left view of the structure of the utility model;
[0029] Figure 4 It is the right view of the structure of the utility model.
[0030] Marks and corresponding parts names in the attached drawings:
[0031] 1-transformer, 2-soft starter, 3-transmission line, 4-anti-crosstalk mutual inductance, 5-safety airway, 6-heat sink, 7-soft starter box, 8-motor, 9-switch, 21-display, 22-control button, 41-anti-crosstalk mutual inductance a, 42-anti-crosstalk mutual inductance b, 71-cabinet door, 72-door handle. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with embodiments and drawings. The schematic implementation manner of the utility model and its description are only used to explain the utility model and are not intended to limit the utility model.
[0033] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present invention. However, it is apparent to those skilled in the art that these specific details are not necessary to implement the present invention. In other embodiments, in order to avoid confusing the present invention, well-known structures, circuits, materials or methods are not specifically described.
[0034] Throughout the specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in conjunction with the embodiment or example is included in at least one embodiment of the present invention. Therefore, the phrases "one embodiment," "an embodiment," "an example," or "an example" appearing in various places throughout the specification do not necessarily all refer to the same embodiment or example. In addition, particular features, structures, or characteristics may be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. In addition, it will be appreciated by those of ordinary skill in the art that the figures provided herein are for illustrative purposes and that the figures are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0035] In the description of the present invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the scope of protection of the present invention.
[0036] Example:
[0037] like Figure 1 to Figure 4 As shown, the utility model is a soft-start anti-transient voltage drop restart device, comprising a transformer 1 and a soft starter 2, wherein the soft starter 2 is electrically connected to the input end of the transformer 1 through a transmission line 3; an anti-crosstalk mutual inductance 4 is arranged on the top of the transformer 1, and the anti-crosstalk mutual inductance 4 covers the surface of the winding. In this embodiment, the soft start of the device can be effectively achieved through the soft starter 2, thereby reducing the impact of high voltage and effectively protecting the device; at the same time, the output line segments of the high-voltage winding and the pressure-resisting winding are wrapped up by the anti-crosstalk mutual inductance 4, which can effectively avoid the crosstalk and mutual inductance between the high-voltage winding and the pressure-resisting winding, and ensure the long-term normal operation of the transformer.
[0038] Specifically, the anti-crosstalk mutual inductance 4 includes an anti-crosstalk mutual inductance a41 and an anti-crosstalk mutual inductance b42, wherein the anti-crosstalk mutual inductance a41 covers the lead-out wires of the high-voltage winding, and the anti-crosstalk mutual inductance b42 covers the lead-out wires of the low-voltage winding. In this embodiment, the lead-out wires of the high-voltage winding and the low-voltage winding are covered with the anti-crosstalk mutual inductance a41 and the anti-crosstalk mutual inductance b42, respectively, so as to effectively avoid the crosstalk and mutual inductance between the high-voltage winding and the pressure-resisting winding, and ensure the normal operation of the transformer for a long time. Furthermore, the anti-crosstalk mutual inductance a41 is fixed to the top of the outer casing of the transformer 1, and a plurality of the anti-crosstalk mutual inductance a41 are arranged in a matrix; the anti-crosstalk mutual inductance b42 is fixed to the top of the outer casing of the transformer 1, and a plurality of the anti-crosstalk mutual inductance b42 are arranged in a matrix. Among them, the anti-crosstalk mutual inductance components a41 are preferably arranged in a matrix along the diagonal line of the top of the outer shell of the transformer 1. Similarly, the anti-crosstalk mutual inductance components b42 are arranged in a matrix along another diagonal line of the top of the outer shell of the transformer 1.
[0039] It also includes a safety airway 5, which is arranged on the top of the transformer 1 shell and communicates with the internal space of the transformer 1; a glass film is arranged in the safety airway 5. In this embodiment, when the internal pressure of the transformer increases sharply for some reason, the transformer oil or gas can be effectively discharged through the safety airway 5 to achieve internal pressure relief, thereby avoiding problems such as damage to the shell or explosion caused by excessive internal pressure.
[0040] It also includes heat sinks 6, and a number of the heat sinks 6 are arranged on the side walls of the transformer 1 housing; the side walls around the transformer 1 are all provided with heat sinks 6. In this embodiment, the arrangement of the heat sinks 6 can effectively expand the surface area of the transformer 1, so that the transformer 1 can radiate heat faster, thereby avoiding failures caused by excessive internal temperature. At the same time, by adding a large number of heat sinks 6, the use efficiency and reliability of the transformer 1 can also be improved, because the heat generated by the transformer 1 during operation is reduced, the operating temperature is reduced, and the overall efficiency of the soft start anti-transient voltage drop restart device is improved.
[0041] It also includes a soft starter housing 7 and a motor 8, wherein the motor 8 is disposed in the soft starter housing 7; the soft starter 2 is disposed in the soft starter housing 7, and the soft starter 2 is disposed beside the motor 8; the soft starter 2 is electrically connected to the motor 8. In this embodiment, by disposing the soft starter 2 and other devices in the soft starter housing 7, the devices can be protected to avoid damage to the devices due to external reasons during use.
[0042] The surface of the soft starter 2 is provided with a display screen 21 and a plurality of control buttons 22, and the plurality of control buttons 22 are arranged side by side below the display screen 21. In this embodiment, the working state of the soft starter 2 can be more intuitively understood through the setting of the display screen 21, and the soft starter 2 can be controlled in time through the control buttons 22, so that the device can be started normally. Furthermore, the control buttons 22 are evenly and evenly spaced below the display screen 21, and the edges of each of the control buttons 22 are rounded.
[0043] The transmission line 3 is provided with a plurality of switch gates 9, and the spacing between two adjacent switch gates 9 is the same; the switch gates 9 are arranged in the soft starter housing 7. In this embodiment, the switch gates 9 can be automatically switched when the main power fails or is powered off, thereby ensuring continuous and uninterrupted power supply to the device.
[0044] In this embodiment, in order to facilitate operation, the soft starter box 7 is provided with a cabinet door 71 , and the cabinet door 71 is provided with a door handle 72 .
[0045] The specific implementation methods described above further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A soft start anti-transient voltage drop restart device, characterized in that: It comprises a transformer (1) and a soft starter (2), wherein the soft starter (2) is electrically connected to the input end of the transformer (1) via a transmission line (3); An anti-crosstalk mutual inductance component (4) is arranged on the top of the transformer (1), and the anti-crosstalk mutual inductance component (4) covers the surface of the winding.
2. A soft start anti-transient voltage drop restart device according to claim 1, characterized in that: The anti-crosstalk mutual inductance (4) comprises an anti-crosstalk mutual inductance a (41) and an anti-crosstalk mutual inductance b (42), wherein the anti-crosstalk mutual inductance a (41) covers the lead-out wires of the high-voltage winding, and the anti-crosstalk mutual inductance b (42) covers the lead-out wires of the low-voltage winding.
3. A soft start anti-transient voltage drop restart device according to claim 2, characterized in that: The anti-crosstalk mutual inductance component a (41) is fixed to the top of the housing of the transformer (1), and a plurality of the anti-crosstalk mutual inductance components a (41) are arranged in a matrix; The anti-crosstalk mutual inductance component b (42) is fixed to the top of the outer shell of the transformer (1), and a plurality of the anti-crosstalk mutual inductance components b (42) are arranged in a matrix.
4. A soft start anti-transient voltage drop restart device according to claim 1, characterized in that: It also comprises a safety airway (5), wherein the safety airway (5) is arranged on the top of the outer shell of the transformer (1), and the safety airway (5) is communicated with the internal space of the transformer (1); A glass film is arranged in the safety airway (5).
5. A soft start anti-transient voltage drop restart device according to claim 1, characterized in that: It also includes a heat sink (6), wherein a plurality of the heat sinks (6) are arranged on the side wall of the transformer (1) casing; Heat sinks (6) are provided on the four side walls of the transformer (1).
6. A soft start anti-transient voltage drop restart device according to claim 1, characterized in that: It also includes a soft starter housing (7) and a motor (8), wherein the motor (8) is arranged in the soft starter housing (7); The soft starter (2) is arranged in the soft starter housing (7), and the soft starter (2) is arranged beside the motor (8); The soft starter (2) is electrically connected to the motor (8).
7. A soft start anti-transient voltage drop restart device according to claim 6, characterized in that: A display screen (21) and a plurality of control buttons (22) are arranged on the surface of the soft starter (2), and the plurality of control buttons (22) are arranged side by side below the display screen (21).
8. A soft start anti-transient voltage drop restart device according to claim 7, characterized in that: The control buttons (22) are evenly and equidistantly arranged below the display screen (21), and the edges of each control button (22) are rounded.
9. A soft start anti-transient voltage drop restart device according to claim 6, characterized in that: A plurality of switch gates (9) are arranged on the transmission line (3), and the distance between two adjacent switch gates (9) is the same; The switch (9) is arranged in the soft starter housing (7).
10. A soft start anti-transient voltage drop restart device according to claim 6, characterized in that: The soft starter box (7) is provided with a cabinet door (71), and the cabinet door (71) is provided with a door handle (72).