Current limiting reactor

Abstract

The utility model discloses a current limiting reactor, which relates to the technical field of reactors and comprises a limiting base, one side of the inner wall of the limiting base is fixedly connected with one end of a first spring, the other end of the first spring is fixedly connected with one side of a limiting steel ball, and the other side of the limiting steel ball is in contact with a groove in one side of a first limiting column. The bottom of the first limiting column is fixedly connected with the top of the second limiting column, the top of the first limiting column is fixedly connected with the bottom of the supporting platform, and the bottom of the supporting platform makes contact with the top of the limiting base. Through the arrangement of a limiting base, a first spring, a limiting steel ball, a first limiting column, a second limiting column, a supporting platform, a guide blocking rod, a movable flat plate, a reactance coil, a first lead screw, a first motor, a U-shaped frame, an insulating cushion and a position control single rod, the length path of the reactance coil can be effectively and freely changed; therefore, the reactor can be applied to more working scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of reactors, in particular to a current limiting reactor. Background Art

[0002] Reactors, also called inductors, are widely used in circuits. Because of the electromagnetic induction effect in circuits, there is a certain inductance that can prevent current changes. When a conductor is energized, it will generate a magnetic field in a certain space it occupies, so all current-carrying conductors have inductance in a general sense.

[0003] After searching, a Chinese patent with publication number CN212874228U discloses a hollow current-limiting reactor, including a coil group, an upper outlet arm is arranged on the top of the coil group, and a lower outlet arm is arranged on the bottom, the coil group is clamped by the upper outlet arm and the lower outlet arm, the busbar of the upper outlet arm and the busbar of the lower outlet arm include a number of interconnected aluminum bars, and a high-temperature resistant film is attached between the aluminum bars. The center of the upper outlet arm and the center of the lower outlet arm are provided with arm rings, and the arm rings are provided with grooves. The utility model improves the heating problem of the star-shaped outlet arm busbar of the hollow current-limiting reactor through the improvement of the above structure. It has a simple structure and small eddy current, which meets the current expansion requirements of the current-limiting reactor. It can be widely used in large-current hollow reactors, greatly improving its practicality.

[0004] Although the above scheme can improve the heating problem of the star-shaped output arm bus of the hollow current limiting reactor, it is difficult for the current limiting reactor in the above patent to freely change the long and short paths of the reactor coil. Generally, when the current limiting reactor is used, the requirements are different due to different application scenarios. For this reason, we provide a current limiting reactor to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem that it is difficult to freely change the length path of the reactor coil, and provides a current limiting reactor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a current limiting reactor, comprising a limiting base, one side of the inner wall of the limiting base is fixedly connected to one end of a first spring, the other end of the first spring is fixedly connected to one side of a limiting steel ball, the other side of the limiting steel ball contacts with a groove on one side of a first limiting column, the bottom of the first limiting column is fixedly connected to the top of the second limiting column, the top of the first limiting column is fixedly connected to the bottom of a supporting platform, the bottom of the supporting platform contacts with the top of the limiting base, and the close fit between the components can effectively change the long and short paths of the reactor coil, thereby making the reactor more practical.

[0007] Furthermore, the top of the support platform is fixedly connected to the bottom of the guide block rod, the outer circumference of the guide block rod is slidably connected to the middle of the movable plate, and the outer circumference of the guide block rod is sleeved with an inductor coil. The inductor coil is a prior art and will not be described in detail.

[0008] Furthermore, the top of the guide block rod is rotatably connected to the bottom of the first screw rod, the top of the first screw rod is fixedly connected to the output shaft of the first motor, the bottom of the first motor is fixedly connected to the top of the protective shell, and a heat dissipation fin is fixedly connected to one side of the protective shell. The setting of the heat dissipation fin can preliminarily discharge the heat in the reactor to avoid the problem of a sharp increase in the internal temperature of the reactor.

[0009] Furthermore, the top of the protective shell is fixedly connected to a support ring frame, the middle part of the support ring frame is sleeved with a first air pump, the top of the first air pump is connected to an outlet pipe, one side of the first air pump is connected to a ventilation pipe, one end of the ventilation pipe is connected to one end of the intake pipe, the outer circumferential surface of the intake pipe is fixedly connected to the top of the protective shell, one side of the protective shell is fixedly connected to one side of the triangular bracket, and the setting of the triangular bracket can effectively ensure that the inductor remains stable when placed flat.

[0010] Furthermore, the thread on the outer circumferential surface of the first screw rod is rotatably connected to the middle part of the U-shaped frame, the bottom of the U-shaped frame is fixedly connected to the top of the insulating cushion, the bottom of the insulating cushion is in contact with the top of the movable plate, and the setting of the insulating cushion can effectively isolate the power-on effect.

[0011] Furthermore, one side of the U-shaped frame is fixedly connected to one end of the position controlling rod, and the other end of the position controlling rod contacts one side of the inner wall of the protective shell. The setting of the position controlling rod can effectively ensure that the U-shaped frame will not rotate.

[0012] Furthermore, the bottom of the triangular bracket is fixedly connected to the top of the insulating L-shaped frame, and the bottom of the insulating L-shaped frame is fixedly connected to the top of the first base. The provision of the first base can make the reactor more stable.

[0013] Furthermore, the middle part of the movable plate is slidably arranged on the outer circumferential surface of the three groups of guide resistance rods, the outer circumferential surfaces of the three groups of guide resistance rods are sleeved with inductor coils, and the bottoms of the three groups of guide resistance rods are fixedly connected to the top of the supporting platform. The arrangement of multiple groups of guide resistance rods makes the effect of the inductor better.

[0014] Compared with the prior art, the current limiting reactor has the following beneficial effects:

[0015] 1. The utility model can effectively and freely change the long and short paths of the reactor coil through the arrangement of a limit base, a first spring, a limit steel ball, a first limit column, a second limit column, a support platform, a guide resistance rod, a movable plate, an inductor coil, a first screw rod, a first motor, a U-shaped frame, an insulating seat cushion, and a control single rod, so that the reactor can be used in more work scenarios.

[0016] 2. The utility model can better discharge the heat in the reactor through the arrangement of the supporting ring frame, the first air pump, the exhaust pipe, the ventilation pipe, the intake pipe, the heat dissipation fins, the triangular bracket, the insulating L-shaped frame, and the first base, greatly avoiding the influence of high temperature on the normal operation of the reactor coil, ensuring that the reactor can be used for a longer time and is less prone to failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure inside the protective shell of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure inside the limiting base of the utility model;

[0020] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0021] In the figure: 1. limit base; 2. first spring; 3. limit steel ball; 4. first limit column; 5. second limit column; 6. support platform; 7. guide resistance rod; 8. movable plate; 9. reactance coil; 10. first screw rod; 11. first motor; 12. protective shell; 13. support ring frame; 14. first air pump; 15. outlet pipe; 16. ventilation pipe; 17. intake pipe; 18. U-shaped frame; 19. insulating cushion; 20. control single rod; 21. heat dissipation fin; 22. triangular bracket; 23. insulating L-shaped frame; 24. first base. DETAILED DESCRIPTION

[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0023] See also Figure 3A current limiting reactor includes a limiting base 1, one side of the inner wall of the limiting base 1 is fixedly connected to one end of a first spring 2. The setting of the limiting base 1 greatly ensures that the parts inside it can move along a predetermined route. The other end of the first spring 2 is fixedly connected to one side of a limiting steel ball 3. The purpose of setting the first spring 2 is to utilize the elasticity of the first spring 2 itself to effectively push the limiting steel ball 3 to move.

[0024] See also Figure 3 The other side of the limiting steel ball 3 contacts the groove on one side of the first limiting column 4, and the bottom of the first limiting column 4 is fixedly connected to the top of the second limiting column 5. The tight fit between the first limiting column 4 and the second limiting column 5 can effectively realize the free adjustment of the required height.

[0025] See also Figure 2 and Figure 3 The top of the first limit column 4 is fixedly connected to the bottom of the support platform 6. The setting of the support platform 6 can better support other components. The top of the support platform 6 is fixedly connected to the bottom of the guide block rod 7. The top of the guide block rod 7 is rotatably connected to the bottom of the first screw rod 10. The setting of the guide block rod 7 can better install the reactor coil 9 and control the number of turns of the reactor coil 9.

[0026] See also Figure 2 and Figure 4 The thread on the outer circumferential surface of the first screw rod 10 is rotatably connected to the middle part of the U-shaped frame 18, and one side of the U-shaped frame 18 is fixedly connected to one end of the control single rod 20. The setting of the control single rod 20 can ensure the stability of the U-shaped frame 18. Under the cooperation with the protective shell 12, it is not easy to rotate, ensuring that the U-shaped frame 18 can move up and down freely.

[0027] See also Figure 2 and Figure 4 The other end of the positioning single rod 20 contacts one side of the inner wall of the protective shell 12, the bottom of the U-shaped frame 18 is fixedly connected to the top of the insulating cushion 19, the setting of the insulating cushion 19 greatly eliminates the hazards of electricity, the bottom of the insulating cushion 19 contacts the top of the movable plate 8, the top of the first screw rod 10 is fixedly connected to the output shaft of the first motor 11, the bottom of the first motor 11 is fixedly connected to the top of the protective shell 12, the first motor 11 is a prior art and will not be described in detail, the setting of the first motor 11 provides sufficient power for the movement of subsequent components.

[0028] See also Figure 2A support ring frame 13 is fixedly connected to the top of the protective shell 12, and a first air pump 14 is sleeved in the middle of the support ring frame 13. The first air pump 14 is a prior art and will not be described in detail. The setting of the first air pump 14 provides strong support for the subsequent heat extraction. An outlet pipe 15 is connected to the top of the first air pump 14, and a ventilation pipe 16 is connected to one side of the first air pump 14. One end of the ventilation pipe 16 is connected to one end of the intake pipe 17. The outer circumferential surface of the intake pipe 17 is fixedly connected to the top of the protective shell 12. The ventilation pipe 16, the intake pipe 17 and the outlet pipe 15 cooperate with each other to keep the heat discharged to the greatest extent.

[0029] See also Figure 1 and Figure 2 One side of the protective shell 12 is fixedly connected to one side of the triangular bracket 22, and the bottom of the triangular bracket 22 is fixedly connected to the top of the insulating L-shaped frame 23. The setting of the triangular bracket 22 can ensure the stability between the components. The bottom of the insulating L-shaped frame 23 is fixedly connected to the top of the first base 24. The setting of the insulating L-shaped frame 23 greatly guarantees the safety of external personnel. A heat dissipation fin 21 is fixedly connected to one side of the protective shell 12. The setting of the heat dissipation fin 21 can preliminarily dissipate heat to avoid a sudden increase in heat in the reactor.

[0030] See also Figure 2 The outer circumferential surface of the guide resistance rod 7 is slidably connected to the middle part of the movable plate 8, and the middle part of the movable plate 8 is slidably arranged on the outer circumferential surface of the three groups of guide resistance rods 7 respectively. The outer circumferential surfaces of the three groups of guide resistance rods 7 are all sleeved with the reactor coil 9. The reactor coil 9 is the existing technology and will not be described in detail. The bottoms of the three groups of guide resistance rods 7 are all fixedly connected to the top of the supporting platform 6, and the outer circumferential surface of the guide resistance rod 7 is sleeved with the reactor coil 9. The bottom of the supporting platform 6 is in contact with the top of the limiting base 1. The purpose of setting multiple groups of guide resistance rods 7 is to enhance the effectiveness of the reactor and make the reactor more practical.

[0031] Working principle: First, wind the adapted reactance coil 9 around the guide resistance rod 7, insert the first limit column 4 and the second limit column 5 under the support platform 6 into the grooves reserved on the limit base 1 through external force, and the limit steel ball 3 is gradually located in the groove of the first limit column 4 under the elasticity of the first spring 2, thereby limiting the first limit column 4. At this time, the support platform 6 and the limit base 1 are in close contact and remain stable, and the first motor 11 is started to work and drive the first screw rod 10 to rotate on the guide resistance rod 7, thereby moving the U-shaped frame 18. At this time, the U-shaped frame 18 is under the action of the control single rod 20. When used, it will not rotate with the rotation of the first screw rod 10, and successfully makes the U-shaped frame 18 drive the insulating cushion 19 to move downward, so that the insulating cushion 19 pushes the movable plate 8 to gradually slide on the guide resistance rod 7, thereby achieving the expected effect, and then when the temperature in the protective shell 12 is too high, the heat dissipation fins 21 can initially discharge heat, and start the first air pump 14 to work, through the ventilation pipe 16, the air intake pipe 17 absorbs heat, and finally discharges it from the outlet pipe 15, so as to discharge heat to the greatest extent, effectively control the protective shell 12 to maintain a constant temperature, and change the length path of the inductor coil 9 to make the inductor more practical.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A current limiting reactor, comprising a limiting base (1), characterized in that: One side of the inner wall of the limiting base (1) is fixedly connected to one end of the first spring (2), the other end of the first spring (2) is fixedly connected to one side of the limiting steel ball (3), the other side of the limiting steel ball (3) contacts with a groove on one side of the first limiting column (4), the bottom of the first limiting column (4) is fixedly connected to the top of the second limiting column (5), the top of the first limiting column (4) is fixedly connected to the bottom of the supporting platform (6), and the bottom of the supporting platform (6) contacts with the top of the limiting base (1).

2. A current limiting reactor according to claim 1, characterized in that: The top of the support platform (6) is fixedly connected to the bottom of the guide resistance rod (7), the outer circumferential surface of the guide resistance rod (7) is slidably connected to the middle of the movable plate (8), and the outer circumferential surface of the guide resistance rod (7) is sleeved with a reactor coil (9).

3. A current limiting reactor according to claim 2, characterized in that: The top of the guide blocking rod (7) is rotatably connected to the bottom of the first screw rod (10), the top of the first screw rod (10) is fixedly connected to the output shaft of the first motor (11), the bottom of the first motor (11) is fixedly connected to the top of the protective housing (12), and a heat dissipation fin (21) is fixedly connected to one side of the protective housing (12).

4. A current limiting reactor according to claim 3, characterized in that: The top of the protective shell (12) is fixedly connected to a support ring frame (13), the middle of the support ring frame (13) is sleeved with a first air pump (14), the top of the first air pump (14) is connected to an air outlet pipe (15), one side of the first air pump (14) is connected to a ventilation pipe (16), one end of the ventilation pipe (16) is connected to one end of an air intake pipe (17), the outer circumferential surface of the air intake pipe (17) is fixedly connected to the top of the protective shell (12), and one side of the protective shell (12) is fixedly connected to one side of the triangular bracket (22).

5. A current limiting reactor according to claim 3, characterized in that: The threads on the outer circumferential surface of the first screw rod (10) are rotatably connected to the middle of the U-shaped frame (18), the bottom of the U-shaped frame (18) is fixedly connected to the top of the insulating cushion (19), and the bottom of the insulating cushion (19) is in contact with the top of the movable plate (8).

6. A current limiting reactor according to claim 5, characterized in that: One side of the U-shaped frame (18) is fixedly connected to one end of a position-controlling single rod (20), and the other end of the position-controlling single rod (20) is in contact with one side of the inner wall of the protective housing (12).

7. A current limiting reactor according to claim 4, characterized in that: The bottom of the triangular bracket (22) is fixedly connected to the top of the insulating L-shaped frame (23), and the bottom of the insulating L-shaped frame (23) is fixedly connected to the top of the first base (24).

8. A current limiting reactor according to claim 2, characterized in that: The middle part of the movable plate (8) is slidably arranged on the outer circumferential surface of the three groups of guide resistance rods (7), the outer circumferential surfaces of the three groups of guide resistance rods (7) are sleeved with reactance coils (9), and the bottoms of the three groups of guide resistance rods (7) are fixedly connected to the top of the support platform (6).

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