CN-121565627-B - Self-adaptive reactance adjusting device for variable-current voltage regulator

CN121565627BCN 121565627 BCN121565627 BCN 121565627BCN-121565627-B

Abstract

The invention relates to the technical field of adjusting devices, and discloses a self-adaptive reactance adjusting device for a variable-current voltage regulator, which comprises a rotary cap, wherein an accommodating cavity is formed in the rotary cap, a rotary rod is sleeved on the outer surface of the rotary rod and can rotate by taking the central axis of the rotary rod as a rotation center, and the rotary rod is arranged in such a way that when the rotary cap rotates, the rotary rod can be driven to rotate simultaneously. When the semicircular ring can move along the diameter direction of the semicircular ring, the semicircular ring can drive the friction block to move along the diameter direction of the semicircular ring, and the semicircular ring drives the friction block to move close to or away from the friction ring, so that the force of the friction block against the friction ring is increased or reduced, the friction force is changed when the semicircular ring moves, operators can know that the generated friction resistance is different under different gears, the operators can notice the adjustment amplitude and proportion, the operators are prevented from making mistakes, and the follow-up reactance adjustment is ensured not to have errors.

Inventors

WANG LI
GU YANG
HUANG HAOCE
MENG YONGJIAN
LI KAIYANG
WANG LEI
LUO GUOLIN
Chen Taoguo

Assignees

浙江法拉迪电气股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260126

Claims (8)

1. An adaptive reactance adjustment device for a variable current voltage regulator, comprising: a screw cap (100) with a receiving cavity inside; The rotating rod (200) is sleeved on the outer surface of the rotating rod (200) and can rotate by taking the central axis of the rotating rod (200) as a rotation center, and the rotating rod (200) is arranged in such a way that when the rotating cap (100) rotates, the rotating rod (200) can be driven to rotate simultaneously; The fixed ring (300) is arranged in the accommodating cavity of the rotary cap (100) and sleeved on the outer surface of the rotary rod (200), and the friction ring (400) is fixedly connected to the upper surface of the fixed ring (300); A friction block (500) with one end abutting against the circumferential outer surface of the friction ring (400), the friction block (500) being arranged to be able to drive the friction block (500) to move along the circumferential outer surface of the friction ring (400) when the screw cap (100) is rotated; The semicircular ring (600) is arranged in the accommodating cavity of the screw cap (100), the semicircular ring (600) is arranged to be capable of moving along the diameter direction of the semicircular ring, the friction block (500) is coupled with the semicircular ring (600), and when the semicircular ring (600) is capable of moving along the diameter direction of the semicircular ring (600), the friction block (500) can be driven to move along the diameter direction of the semicircular ring (600); The utility model provides a top of bull stick (200) has seted up the keyway, the chamber roof that holds of cap (100) is provided with the fixture block, the fixture block sets up between the inner wall of keyway, the inner wall fixed mounting of cap (100) holds the chamber has hexagonal post (800), the surface of hexagonal post (800) is located to friction block (500) cover to can remove along the axis direction of hexagonal post (800), breach (310) have been seted up to the upper surface of solid fixed ring (300), two heavy grooves (311) have been seted up to the upper surface symmetry of breach (310), the lower surface symmetry fixed mounting of semicircle ring (600) has two stopper, two stopper sliding mounting respectively between the inner wall of two heavy grooves (311), the surface sliding sleeve of hexagonal post (800) has sliding sleeve (900), the lower surface fixed mounting of sliding sleeve (900) has body of rod (910), first guide slot (610) have been seted up to the upper surface of semicircle ring (600), the surface of body of rod (910) and first guide slot (610) is equipped with the surface of a fixed connection of spring (1000), the surface of a spring (1000) is connected with the surface of a fixed spring (1000).
2. The adaptive reactance adjustment device for the variable-current voltage regulator according to claim 1, characterized in that a screw rod (1700) is rotatably installed between inner walls of two sinking grooves (311) and opposite ends, the screw rod (1700) penetrates through the outer surface of the limiting block and is in threaded connection with the screw rod, a gear (1800) is fixedly installed on one end of the screw rod (1700) penetrating through the outer surface of the fixing ring (300), an arc piece (700) is arranged on the upper surface of the notch (310), a plurality of inserting rods (720) are fixedly installed on the lower surface of the arc piece (700), a plurality of inserting holes (312) are formed in the upper surface of the notch (310), the inserting rods (720) are slidably inserted between inner walls of the inserting holes (312), a rack (1900) is fixedly installed on the lower surface of the arc piece (700), and the rack (1900) is meshed with the gear (1800).
3. The adaptive reactance adjustment device for the variable-current voltage regulator according to claim 2, characterized in that a T-shaped chute (110) is formed on the circumferential outer surface of the screw cap (100), a push block (1200) is slidably mounted between the inner walls of the T-shaped chute (110), a guide post (1500) is fixedly mounted on the outer surface of the push block (1200) close to one side of the circular arc piece (700), a through groove (120) is formed on the inner wall of the T-shaped chute (110), a second guide groove (710) is formed on the circumferential outer surface of the circular arc piece (700), and the guide post (1500) penetrates through the through groove (120) and is slidably mounted on the inner wall of the second guide groove (710).
4. The adaptive reactance adjustment device for a variable-current voltage regulator according to claim 3, wherein a plurality of bayonets (130) are symmetrically arranged between inner walls of two opposite sides of the T-shaped chute (110), two elastic pieces (1300) are symmetrically arranged on outer surfaces of two opposite sides of the push block (1200), and the elastic pieces (1300) are arranged in the bayonets (130).
5. The adaptive reactance adjustment device for a variable current voltage regulator according to claim 4, wherein the push block (1200) is provided with a mounting groove (1210) on the outer surface of one side of the push block close to the circular arc piece (700), through holes (1220) are symmetrically formed in the inner walls of two opposite sides of the mounting groove (1210), a top block (1400) is slidably inserted into the inner walls of the through holes (1220), and one end of the top block (1400) abuts against the outer surface of the elastic piece (1300).
6. The adaptive reactance adjustment device for the variable-current voltage regulator according to claim 5, wherein a support plate (1600) is arranged in the installation groove (1210), two sliding columns (1620) are symmetrically and fixedly installed between the inner walls of the support plate (1600), a chute (1410) is formed in the outer surface of the other end of the top block (1400), the sliding columns (1620) are slidably installed with the inner walls of the chute (1410), two second springs (1630) are symmetrically and fixedly connected to the outer surface of one side of the support plate (1600), and the other ends of the two second springs (1630) are fixedly connected with the inner walls of the installation groove (1210).
7. The adaptive reactance adjustment device for a variable current voltage regulator according to claim 6, wherein an ejector rod (1610) is fixedly installed on the outer surface of the other side of the support plate (1600), the ejector rod (1610) penetrates through the through groove (120), a wedge block (1100) is fixedly installed on the upper surface of the circular arc piece (700), an oblique angle is formed on the outer surface of the wedge block (1100), and one end of the ejector rod (1610) abuts against the outer surface of the oblique angle.
8. The adaptive reactance adjustment device for a variable current voltage regulator according to claim 7, wherein a limit post is fixedly connected to an outer surface of one side of said support plate (1600), said limit post being inserted into the interior of said push block (1200) and slidably mounted therewith.

Description

Self-adaptive reactance adjusting device for variable-current voltage regulator Technical Field The invention relates to the technical field of adjusting devices, in particular to a self-adaptive reactance adjusting device for a variable-current voltage regulator. Background Variable current voltage regulators (also known as controllable rectifiers) and adaptive reactance adjustment devices play an important role in power electronics and power systems, especially in the context of increasingly high demands on the quality and stability of the power supply. Variable current voltage regulators are devices for regulating voltage and current, commonly found in substations and power transmission systems. It enables smooth regulation of the voltage by controlling switching elements in the rectifier, such as thyristors or MOSFETs. The existing variable-current voltage regulator regulating device needs to cut gear shifting, then the regulating knob is rotated to change the proportion of reactance regulation, after the proportion is regulated, the reactance value is regulated in a self-adaptive manner in a set fluctuation range through an internal self-adaptive regulating device, however, when the regulating knob is rotated, an operator cannot feel the regulated proportion, the operator needs to completely observe the rotating direction and the regulating proportion of the regulating knob by naked eyes, when the operator is negligent, the regulating proportion is easy to make mistakes, and the subsequent reactance regulation is caused to have errors. Disclosure of Invention The invention aims to solve the defects in the prior art, and provides an adaptive reactance adjusting device for a variable-current voltage regulator. In order to achieve the above purpose, the present invention adopts the following technical scheme: An adaptive reactance adjustment device for a variable current voltage regulator, comprising: the screw cap is internally provided with a containing cavity; The rotating rod is sleeved on the outer surface of the rotating rod and can rotate by taking the central axis of the rotating rod as a rotation center, and the rotating rod is arranged in such a way that when the rotating cap rotates, the rotating rod can be driven to rotate simultaneously; The fixed ring is arranged in the accommodating cavity of the rotary cap and sleeved on the outer surface of the rotary rod, and the upper surface of the fixed ring is fixedly connected with a friction ring; one end of the friction block is propped against the circumferential outer surface of the friction ring, and the friction block is arranged to drive the friction block to move along the circumferential outer surface of the friction ring when the screw cap rotates; the semicircular ring is arranged in the accommodating cavity of the rotary cap, the semicircular ring is arranged to be capable of moving along the diameter direction of the semicircular ring, the friction block is coupled with the semicircular ring, and when the semicircular ring can move along the diameter direction of the semicircular ring, the friction block can be driven to move along the diameter direction of the semicircular ring. As a further scheme of the invention, a key slot is formed in the top end of the rotating rod, a clamping block is arranged on the top wall of the accommodating cavity of the screw cap, the clamping block is arranged between the inner walls of the key slot, a hexagonal column is fixedly arranged on the inner wall of the accommodating cavity of the screw cap, and the friction block is sleeved on the outer surface of the hexagonal column and can move along the central axis direction of the hexagonal column. As a further scheme of the invention, a notch is formed in the upper surface of the fixing ring, two sinking grooves are symmetrically formed in the upper surface of the notch, two limiting blocks are symmetrically and fixedly arranged on the lower surface of the semicircular ring, the two limiting blocks are respectively and slidably arranged between the inner walls of the two sinking grooves, a sliding sleeve is slidably sleeved on the outer surface of the hexagonal column, a rod body is fixedly arranged on the lower surface of the sliding sleeve, a first guide groove is formed in the upper surface of the semicircular ring, the rod body is slidably arranged on the inner wall of the first guide groove, a first spring is sleeved on the outer surface of the hexagonal column, one end of the first spring is fixedly connected with the outer surface of the friction block, and the other end of the first spring is fixedly connected with the outer surface of the sliding sleeve. As a further scheme of the invention, a screw rod is rotatably arranged between the inner walls of two opposite ends of one of the two sinking grooves, the screw rod penetrates through the outer surface of the limiting block and is in threaded connection with the outer surface of the limiting b