Series resonance withstand voltage test device

Abstract

The utility model discloses a series resonance withstand voltage test device, and relates to the technical field of series resonance. The reactor comprises a base, a reactor is arranged at the top of the base, a heat dissipation pipe fixedly penetrates through the circumferential surface of the reactor, a voltage divider is arranged at the top of the base, and a fixing device is arranged at the top of the base; the fixing device comprises a motor, the bottom of the motor is fixedly connected to the top of the base, and the output end of the motor is fixedly connected with a threaded rod; according to the utility model, the motor is driven to cooperate with the threaded rod, the gear, the chute, the slide block, the rack, the L-shaped supporting strip, the first clamping plate, the small magnetic block, the second clamping plate, the large magnetic block and other components in the fixing device, so that the first clamping plate and the second clamping plate are fixed, and therefore, when a series resonance voltage withstanding test is carried out, the working efficiency is improved. By fixing the electric reactor, the electric reactor cannot move in the operation process, the fixing effect is achieved, and the test result is more accurate.

Description

Technical Field

[0001] The utility model belongs to the technical field of series resonance, in particular to a series resonance withstand voltage test device. Background Art

[0002] The series resonant withstand voltage tester is a device used for withstand voltage testing of high-voltage electrical equipment in power systems. Its main purpose is to test the insulation performance and withstand voltage capability of equipment in power systems.

[0003] According to the disclosure, a series resonance withstand voltage test device (publication number: CN213181868U) includes a box body, a support rod, a T-shaped rod and a sealing plate; the four corners of the bottom of the box body are rotatably mounted with support rods through a movable seat, a universal wheel is fixedly mounted on the bottom side of the support rod near the movable seat, a first fixed screw is fixedly mounted on the surface of the support rod near one end, a second fixed screw is fixedly mounted on the top of the support rod near the movable seat, and a second fixed bolt sleeve is provided at the bottom position of one side of the movable seat. The utility model is provided with an L-shaped rod, a T-shaped rod and a universal wheel. After the test is completed, the personnel adjusts the support rod to a horizontal state, and then screws the first fixed screw into the inside of the first fixed bolt sleeve to fix the support rod. At this time, the universal wheel contacts the ground, and then the personnel pulls out the T-shaped rod from the inside of the L-shaped rod. The personnel can move the device by pulling the T-shaped rod by hand, which is convenient for transferring and carrying the device.

[0004] However, in the above application, support rods are rotatably installed at the four corners of the bottom of the box through a movable seat, a universal wheel is fixedly installed at the bottom side of the support rod near the movable seat, a first fixing screw is fixedly installed at a position near one end of the surface of the support rod, and a second fixing screw is fixedly installed at a position near the movable seat at the top of the support rod, and a second fixing bolt sleeve is provided at the bottom position of one side of the movable seat, which makes it difficult to fix the series resonant voltage withstand test device, resulting in inaccurate test results and difficult to dissipate heat from the series resonant voltage withstand test device, causing the device to heat up during operation and cause a circuit short circuit, which needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a series resonant voltage withstand test device, which realizes the fixing effect of the first clamping plate and the second clamping plate by driving the motor and cooperating with the threaded rod, gear, slide groove, slider, rack, L-shaped support bar, first clamping plate, small magnetic block, second clamping plate, large magnetic block and other components inside the fixing device. Therefore, when performing the series resonant voltage withstand test, the inductor is fixed so that the inductor will not move during operation, thereby achieving the fixing effect, making the test results more accurate, and solving the existing problems.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a series resonant voltage withstand test device, comprising a base, a reactor is arranged on the top of the base, a heat dissipation pipe is fixedly passed through the circumferential surface of the reactor, a voltage divider is arranged on the top of the base, and a fixing device is arranged on the top of the base;

[0008] The fixing device includes a motor, the bottom of the motor is fixedly connected to the top of the base, the output end of the motor is fixedly connected to a threaded rod, the side of the threaded rod is fixedly connected to a gear, the top of the base is provided with a slide groove, the inner wall of the slide groove is slidably connected to a slider, the top of the slider is fixedly connected to a rack, the side of the rack is fixedly connected to an L-shaped support bar, the side of the L-shaped support bar is fixedly connected to a first clamping plate, and the side of the first clamping plate is fixedly connected to a small magnetic block;

[0009] Furthermore, a movable groove is provided on the top of the base, and a movable block is slidably connected to the inner wall of the movable groove, and the top of the movable block is fixedly connected to a fixed bar, and the top of the fixed bar is fixedly connected to a support bar, and the side of the support bar is fixedly connected to a second clamping plate, and the side of the second clamping plate is fixedly connected to a large magnetic block. The large magnetic block and the small magnetic block can use magnetic force to attract the first clamping plate and the second clamping plate to clamp and fix the reactor.

[0010] Furthermore, a first elastic spring is fixedly connected to the inner wall of the sliding groove, one end of the first elastic spring is fixedly connected to the side surface of the slider, and the first elastic spring can reset the rack.

[0011] Furthermore, a second elastic spring is fixedly connected to the inner wall of the movable groove, one end of the second elastic spring is fixedly connected to the side surface of the movable block, and the second elastic spring can reset the movable block.

[0012] Furthermore, the first clamping plate and the second clamping plate are arc-shaped, the small magnetic blocks are set in two, and are symmetrical to each other along the vertical center axis of the first clamping plate, the large magnetic blocks are set in two, and are symmetrical to each other along the vertical center axis of the second clamping plate, the circumferential surface of the gear and the top of the rack are engaged with each other, and the arc-shaped shape of the first clamping plate and the second clamping plate is designed according to the shape of the reactor, which can better fix the reactor.

[0013] Furthermore, a heat dissipation device is provided on the top of the base, and the heat dissipation device includes an L-shaped hydraulic cylinder, the bottom of the L-shaped hydraulic cylinder is fixedly connected to the top of the base, one end of the L-shaped hydraulic cylinder is slidably connected to a force rod through a piston, and the other end of the L-shaped hydraulic cylinder is slidably connected to a hydraulic rod through another piston, the side of the force rod is fixedly connected to a sliding plate, the side of the sliding plate is slidably connected to the force plate, the side of the hydraulic rod is fixedly connected to a fixed plate, the side of the fixed plate is fixedly connected to a connecting strip, and the side of the connecting strip is fixedly connected to an L-shaped thrust strip. When the force plate moves, the sliding plate will also move, and the sliding plate will cause the force rod to retract and the hydraulic rod to extend.

[0014] Furthermore, an L-shaped support plate is fixedly connected to the side of the base, a cold air box is fixedly connected to the top of the L-shaped support plate, and an air inlet pipe is fixedly passed through the side of the cold air box, and the air inlet pipe is used to allow cold air to enter the cold air box.

[0015] Furthermore, a piston rod is fixedly passed through the side of the cold air box, a piston plate is fixedly connected to the side of the piston rod, an air pipe is fixedly passed through the side of the cold air box, one end of the air pipe is fixedly passed through the circumferential surface of the reactor, the piston plate pushes the cold air into the air pipe, and the cold air dissipates heat to the inside of the reactor.

[0016] Furthermore, a return spring is fixedly connected to the side of the L-shaped hydraulic cylinder, and one end of the return spring is fixedly connected to the side of the fixed plate. The return spring is used to reset the hydraulic rod and the force rod, and can be recycled.

[0017] Furthermore, the shape of the force-bearing plate is a parallelogram, and the side surface of the force-bearing plate is located on the displacement track of the side surface of the rack. The shape of the force-bearing plate is a parallelogram so that the rack can better touch the force-bearing plate.

[0018] The utility model has the following beneficial effects:

[0019] The utility model realizes the fixing effect of the first clamping plate and the second clamping plate by driving the motor and cooperating with the threaded rod, gear, slide groove, slider, rack, L-shaped support bar, first clamping plate, small magnetic block, second clamping plate, large magnetic block and other components inside the fixing device. Therefore, when performing the series resonance withstand voltage test, the inductor is fixed so that the inductor will not move during operation, thereby achieving the fixing effect and making the test result more accurate.

[0020] The utility model realizes the heat dissipation function of the piston rod and the piston plate through the cooperation of the motor drive and the L-shaped hydraulic cylinder, the force rod, the hydraulic rod, the sliding plate, the force plate, the cold air box, the air intake pipe, the piston rod, the piston plate and other components inside the heat dissipation device. As a result, during the operation of the reactor, cold air is input into the interior of the reactor through the piston rod and the piston plate to dissipate heat inside the reactor, achieving the heat dissipation effect and preventing the reactor from causing a circuit short circuit due to heat during operation.

[0021] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional overall structure of the fixing device of the present invention;

[0025] Figure 3 This is a schematic diagram of the three-dimensional overall structure of the heat dissipation device of the present invention;

[0026] Figure 4 This is a side view of the three-dimensional overall structure of the heat dissipation device of the present invention;

[0027] Figure 5 For the utility model Figure 2 Schematic diagram of the three-dimensional enlarged structure at point A in the middle.

[0028] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0029] 1. Base; 2. Reactor; 3. Heat pipe; 4. Voltage divider; 5. Fixing device; 51. Motor; 52. Threaded rod; 53. Gear; 54. Slide; 55. Slider; 56. Rack; 57. L-shaped support bar; 58. First clamping plate; 59. Small magnetic block; 510. Moving groove; 511. Moving block; 512. Fixing bar; 513. Support bar; 514. Second clamping plate; 515. Large magnetic block; 51 6. First elastic spring; 517. Second elastic spring; 6. Heat dissipation device; 61. L-shaped hydraulic cylinder; 62. Force rod; 63. Hydraulic rod; 64. Sliding plate; 65. Force plate; 66. Fixed plate; 67. Connecting strip; 68. L-shaped thrust strip; 69. L-shaped support plate; 610. Air conditioner; 611. Air inlet pipe; 612. Piston rod; 613. Piston plate; 614. Air pipe; 615. Return spring. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1

[0032] like Figure 1-Figure 2 、 Figure 5 As shown, this embodiment provides a series resonant voltage withstand test device, including a base 1, a reactor 2 is provided on the top of the base 1, a heat dissipation pipe 3 is fixedly passed through the circumference of the reactor 2, a voltage divider 4 is provided on the top of the base 1, and a fixing device 5 is provided on the top of the base 1;

[0033] The fixing device 5 includes a motor 51, the bottom of the motor 51 is fixedly connected to the top of the base 1, the output end of the motor 51 is fixedly connected to a threaded rod 52, the side of the threaded rod 52 is fixedly connected to a gear 53, a slide groove 54 is provided at the top of the base 1, the inner wall of the slide groove 54 is slidably connected to a slider 55, the top of the slider 55 is fixedly connected to a rack 56, the side of the rack 56 is fixedly connected to an L-shaped support bar 57, the side of the L-shaped support bar 57 is fixedly connected to a first clamping plate 58, and the side of the first clamping plate 58 is fixedly connected to a small magnetic block 59.

[0034] A movable groove 510 is provided at the top of the base 1, and a movable block 511 is slidably connected to the inner wall of the movable groove 510, and the top of the movable block 511 is fixedly connected to a fixed bar 512, and the top of the fixed bar 512 is fixedly connected to a support bar 513, and the side of the support bar 513 is fixedly connected to a second clamping plate 514, and the side of the second clamping plate 514 is fixedly connected to a large magnetic block 515. The large magnetic block 515 and the small magnetic block 59 use magnetic force to make the first clamping plate 58 and the second clamping plate 514 attract each other, so as to clamp and fix the inductor 2.

[0035] A first elastic spring 516 is fixedly connected to the inner wall of the sliding groove 54 , and one end of the first elastic spring 516 is fixedly connected to the side surface of the slider 55 . The first elastic spring 516 can reset the rack 56 .

[0036] A second elastic spring 517 is fixedly connected to the inner wall of the movable groove 510 . One end of the second elastic spring 517 is fixedly connected to the side surface of the movable block 511 . The second elastic spring 517 can reset the movable block 511 .

[0037] The first clamping plate 58 and the second clamping plate 514 are arc-shaped, two small magnetic blocks 59 are set, and they are symmetrical to each other along the vertical center axis of the first clamping plate 58, two large magnetic blocks 515 are set, and they are symmetrical to each other along the vertical center axis of the second clamping plate 514, the circumferential surface of the gear 53 and the top of the rack 56 are engaged with each other, and the arc-shaped shape of the first clamping plate 58 and the second clamping plate 514 is designed according to the shape of the inductor 2, which can better fix the inductor 2.

[0038] In this embodiment, first, the inductor 2 is fixed. The operator uses the fixing device 5 and starts the motor 51. The motor 51 drives the threaded rod 52 to rotate clockwise. The clockwise rotation of the threaded rod 52 drives the gear 53 to rotate clockwise. The clockwise rotation of the gear 53 causes the rack 56 to move to the left. The leftward movement of the rack 56 drives the L-shaped support bar 57, the first clamping plate 58 and the small magnetic block 59 to move to the left together. The leftward movement of the small magnetic block 59 will attract the large magnetic block 515 due to magnetic force. The large magnetic block 515 is attracted to the small magnetic block 59, and the large magnetic block 515 moves to the right. The rightward movement of the large magnetic block 515 drives the movable block 511, the fixed bar 512, the support bar 513 and the second clamping plate 514 to move to the right together. The small magnetic block 59 on the first clamping plate 58 and the large magnetic block 515 on the second clamping plate 514 are attracted to each other, which will clamp and fix the inductor 2.

[0039] Example 2

[0040] like Figure 3 、 Figure 4As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes that a heat dissipation device 6 is provided on the top of the base 1, and the heat dissipation device 6 includes an L-shaped hydraulic cylinder 61, the bottom of the L-shaped hydraulic cylinder 61 is fixedly connected to the top of the base 1, one end of the L-shaped hydraulic cylinder 61 is slidably connected to a force rod 62 through a piston, and the other end of the L-shaped hydraulic cylinder 61 is slidably connected to a hydraulic rod 63 through another piston, the side of the force rod 62 is fixedly connected to a sliding plate 64, the side of the sliding plate 64 is slidably connected to a force plate 65, the side of the hydraulic rod 63 is fixedly connected to a fixed plate 66, the side of the fixed plate 66 is fixedly connected to a connecting bar 67, and the side of the connecting bar 67 is fixedly connected to an L-shaped thrust bar 68. When the force plate 65 moves, the sliding plate 64 will also move, and the sliding plate 64 will cause the force rod 62 to retract and the hydraulic rod 63 to extend.

[0041] An L-shaped support plate 69 is fixedly connected to the side of the base 1, and a cold air box 610 is fixedly connected to the top of the L-shaped support plate 69. An air inlet pipe 611 is fixedly passed through the side of the cold air box 610. The air inlet pipe 611 is used to allow cold air to enter the cold air box 610.

[0042] As shown in the figure, a piston rod 612 is fixedly passed through the side of the cold air box 610, and a piston plate 613 is fixedly connected to the side of the piston rod 612. An air pipe 614 is fixedly passed through the side of the cold air box 610, and one end of the air pipe 614 is fixedly passed through the circumferential surface of the inductor 2. The piston plate 613 pushes the cold air into the air pipe 614, and the cold air dissipates heat to the inside of the inductor 2.

[0043] A return spring 615 is fixedly connected to the side of the L-shaped hydraulic cylinder 61, and one end of the return spring 615 is fixedly connected to the side of the fixed plate 66. The return spring 615 is used to reset the hydraulic rod 63 and the force rod 62, and can be recycled.

[0044] The shape of the force-bearing plate 65 is a parallelogram, and the side surface of the force-bearing plate 65 is located on the displacement track of the side surface of the rack 56 . The shape of the force-bearing plate 65 is a parallelogram so that the rack 56 can better touch the force-bearing plate 65 .

[0045] In this embodiment, during the operation of the reactor 2, the interior of the reactor 2 will generate heat, and the interior of the reactor 2 needs to be cooled. First, the cold air box 610 is filled with cold air, and then the operator uses the heat dissipation device 6. The operator starts the motor 51, and the motor 51 drives the threaded rod 52 to rotate clockwise. The clockwise rotation of the threaded rod 52 drives the gear 53 to rotate clockwise. The clockwise rotation of the gear 53 causes the rack 56 to move to the left. The leftward movement of the rack 56 pushes the force plate 65, and the force plate 65 moves on the sliding plate. The movable plate 64 slides on the force plate 65, and the sliding plate 64 moves to the left. The sliding plate 64 retracts the force rod 62, and the hydraulic rod 63 extends. The extension of the hydraulic rod 63 drives the fixed plate 66, the connecting bar 67 and the L-shaped thrust bar 68 to move forward. The forward movement of the L-shaped thrust bar 68 pushes the piston rod 612 to move forward, and the piston rod 612 pushes the piston plate 613 to move forward. The forward movement of the piston plate 613 inputs cold air into the interior of the reactor 2, and the gas inside the reactor 2 goes out from the heat dissipation pipe 3.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A series resonant voltage withstand test device, comprising a base (1), characterized in that: A reactor (2) is provided on the top of the base (1); a heat dissipation pipe (3) is fixedly passed through the circumferential surface of the reactor (2); a voltage divider (4) is provided on the top of the base (1); and a fixing device (5) is provided on the top of the base (1); The fixing device (5) comprises a motor (51), the bottom of the motor (51) is fixedly connected to the top of the base (1), the output end of the motor (51) is fixedly connected to a threaded rod (52), the side of the threaded rod (52) is fixedly connected to a gear (53), the top of the base (1) is provided with a slide groove (54), the inner wall of the slide groove (54) is slidably connected to a slider (55), the top of the slider (55) is fixedly connected to a rack (56), the side of the rack (56) is fixedly connected to an L-shaped support bar (57), the side of the L-shaped support bar (57) is fixedly connected to a first clamping plate (58), and the side of the first clamping plate (58) is fixedly connected to a small magnetic block (59).

2. A series resonant voltage withstand test device according to claim 1, characterized in that: A movable groove (510) is provided on the top of the base (1), a movable block (511) is slidably connected to the inner wall of the movable groove (510), a fixed bar (512) is fixedly connected to the top of the movable block (511), a support bar (513) is fixedly connected to the top of the fixed bar (512), a second clamping plate (514) is fixedly connected to the side of the support bar (513), and a large magnetic block (515) is fixedly connected to the side of the second clamping plate (514).

3. A series resonant voltage withstand test device according to claim 2, characterized in that: A first elastic spring (516) is fixedly connected to the inner wall of the sliding groove (54), and one end of the first elastic spring (516) is fixedly connected to the side surface of the sliding block (55).

4. A series resonant voltage withstand test device according to claim 3, characterized in that: A second elastic spring (517) is fixedly connected to the inner wall of the movable groove (510), and one end of the second elastic spring (517) is fixedly connected to the side surface of the movable block (511).

5. A series resonant voltage withstand test device according to claim 4, characterized in that: The first clamping plate (58) and the second clamping plate (514) are arc-shaped, two small magnetic blocks (59) are provided, and are symmetrical to each other along the vertical center axis of the first clamping plate (58), two large magnetic blocks (515) are provided, and are symmetrical to each other along the vertical center axis of the second clamping plate (514), and the circumferential surface of the gear (53) is meshed with the top of the rack (56).

6. A series resonant voltage withstand test device according to claim 5, characterized in that: A heat dissipation device (6) is provided on the top of the base (1), and the heat dissipation device (6) comprises an L-shaped hydraulic cylinder (61), the bottom of the L-shaped hydraulic cylinder (61) is fixedly connected to the top of the base (1), one end of the L-shaped hydraulic cylinder (61) is slidably connected to a force-bearing rod (62) through a piston, and the other end of the L-shaped hydraulic cylinder (61) is slidably connected to a hydraulic rod (63) through another piston, the side of the force-bearing rod (62) is fixedly connected to a sliding plate (64), the side of the sliding plate (64) is slidably connected to a force-bearing plate (65), the side of the hydraulic rod (63) is fixedly connected to a fixed plate (66), the side of the fixed plate (66) is fixedly connected to a connecting bar (67), and the side of the connecting bar (67) is fixedly connected to an L-shaped thrust bar (68).

7. A series resonant voltage withstand test device according to claim 6, characterized in that: An L-shaped support plate (69) is fixedly connected to the side of the base (1), a cold air box (610) is fixedly connected to the top of the L-shaped support plate (69), and an air inlet pipe (611) is fixedly passed through the side of the cold air box (610).

8. The series resonant voltage withstand test device according to claim 7, characterized in that: A piston rod (612) is fixedly passed through the side of the cold air box (610), a piston plate (613) is fixedly connected to the side of the piston rod (612), an air supply pipe (614) is fixedly passed through the side of the cold air box (610), and one end of the air supply pipe (614) is fixedly passed through the circumferential surface of the reactor (2).

9. The series resonant voltage withstand test device according to claim 8, characterized in that: A return spring (615) is fixedly connected to the side of the L-shaped hydraulic cylinder (61), and one end of the return spring (615) is fixedly connected to the side of the fixed plate (66).

10. The series resonant voltage withstand test device according to claim 9, characterized in that: The shape of the force-bearing plate (65) is a parallelogram, and the side surface of the force-bearing plate (65) is located on the displacement track of the side surface of the rack (56).

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