CN115083829B - Intelligent on-line current monitoring device for on-off switch - Google Patents
Intelligent on-line current monitoring device for on-off switch Download PDFInfo
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- CN115083829B CN115083829B CN202211000685.0A CN202211000685A CN115083829B CN 115083829 B CN115083829 B CN 115083829B CN 202211000685 A CN202211000685 A CN 202211000685A CN 115083829 B CN115083829 B CN 115083829B
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- energy storage
- limiting
- plate
- fixing
- mechanism frame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H33/00—Gearings based on repeated accumulation and delivery of energy
- F16H33/02—Rotary transmissions with mechanical accumulators, e.g. weights, springs, intermittently-connected flywheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of vacuum circuit breakers, in particular to an intelligent on-line current monitoring device for a switch. The invention relates to an intelligent on-line current monitoring device of a switch, which achieves the effect of fixing a current sensor by matching a transmission gear set, a linkage assembly, an energy storage assembly and a fixing assembly; when the end part of the eccentric block abuts against the side wall of the mechanism frame, the fixing plate is pushed to move towards the direction of the energy storage motor, and the limiting block is suitable for pushing the limiting rod to rotate circumferentially so that the eccentric block synchronously rotates and is inserted into a corresponding mounting hole in the mechanism frame; when the end part of the eccentric block abuts against the limiting plate, the limiting spring pushes the limiting rod to rotate circumferentially, so that the eccentric block synchronously rotates and abuts against the side wall of the mechanism frame. The invention has simple structure, and improves the working efficiency by opening the effect of quickly fixing the current sensor through the matching of the eccentric block and the fixed plate.
Description
Technical Field
The invention relates to the technical field of vacuum circuit breakers, in particular to an intelligent on-line current monitoring device for a switch.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oiling, less maintenance and frequent operation, and can be arranged in a middle-mounted cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
Vacuum circuit breaker in the use, need the current condition of real-time supervision circuit breaker, use hall current sensor to monitor the current condition usually, traditional hall current sensor need dismantle after working a certain time and maintain, and hall current sensor among the prior art passes through bolt fastening's mode to be fixed on vacuum circuit breaker more, and such mode is wasted time and energy when dismantling. Therefore, it is necessary to develop an online current monitoring device for an intelligent on-off switch.
Disclosure of Invention
The invention aims to provide an intelligent on-line current monitoring device for a switch.
In order to solve the technical problem, the invention provides an intelligent on-line current monitoring device for a switch, which comprises a mechanism frame, an energy storage switch, an energy storage motor, a transmission gear set, a linkage assembly and an energy storage assembly, wherein the energy storage switch is rotatably arranged on the mechanism frame, the energy storage motor is fixed on the mechanism frame, and the energy storage switch is suitable for controlling the energy storage motor to work;
the transmission gear set is rotatably arranged on the mechanism frame and is meshed with an output shaft of the energy storage motor;
the linkage assembly is rotatably arranged on the mechanism frame, one end of the linkage assembly is linked with the transmission gear set, and the other end of the linkage assembly is linked with the energy storage assembly;
the energy storage assembly is arranged on the mechanism frame in a telescopic mode; wherein
The energy storage switch is rotated to start the energy storage motor, the energy storage motor drives the transmission gear set to axially rotate, the transmission gear set synchronously drives the linkage assembly to rotate, and the linkage assembly can stretch the energy storage assembly.
Preferably, the transmission gear set includes: the small gear is rotatably fixed on the mechanism frame through a first rotating shaft, and the small gear is meshed with an output shaft of the energy storage motor;
the bull gear is rotatably arranged on one side of the pinion through a second rotating shaft, and the bull gear is meshed with the pinion;
the cam is sleeved on the outer wall of the second rotating shaft and is linked with the linkage assembly; wherein
The energy storage motor is suitable for driving the second rotating shaft to rotate in the circumferential direction, so that the cam pushes the end part of the linkage assembly to move in the direction away from the second rotating shaft.
Preferably, the linkage assembly includes: the rotating plate is T-shaped and is rotatably arranged on the mechanism frame through a positioning column;
the lower end of the linkage rod is hinged to the end part of the rotating plate, and the upper end of the linkage rod is hinged to the outer wall of the energy storage assembly; wherein
The large gear rotates circumferentially to drive the cam to rotate synchronously, and the end part of the cam abuts against the side wall of the rotating plate so as to drive the rotating plate to rotate circumferentially by taking the positioning column as an axis;
the rotating plate pushes the linkage rod to move upwards, and the linkage rod pushes the energy storage assembly to stretch.
Preferably, one end of the rotating plate close to the cam is provided with a roller, the roller is rotatably arranged at the end part of the rotating plate, and the outer wall of the roller protrudes out of the side wall of the rotating plate.
Preferably, the energy storage assembly comprises: the energy storage rotating shaft is rotatably arranged on the mechanism frame, the connecting block is sleeved on the outer wall of the energy storage rotating shaft, and the connecting block is hinged with the upper end of the linkage rod;
the opening brake crank arm is sleeved on the outer wall of the energy storage rotating shaft, the telescopic component is arranged on the side wall of the mechanism frame in a telescopic mode, and the upper end of the telescopic component is hinged to the opening brake crank arm; wherein
When the linkage rod pushes the connecting block to rotate circumferentially, the connecting block pushes the energy storage rotating shaft to rotate circumferentially synchronously, and the energy storage rotating shaft drives the brake separating connecting lever to rotate circumferentially to stretch the telescopic assembly.
Preferably, the telescopic assembly comprises: the upper end of the fixing column is hinged to the opening crank arm, and the fixing column penetrates through the fixing block;
a positioning piece is fixed at the lower end of the outer wall of the fixing column, one end of the compression spring is fixed on the positioning piece, and the other end of the compression spring is fixed on the fixing block; wherein
When the brake separating connecting lever moves upwards in the circumferential direction, the brake separating connecting lever pulls the fixed column to move upwards and extrude the compression spring.
Preferably, an indicating plate is fixed at one end of the energy storage rotating shaft, which is far away from the opening connecting lever, and the indicating plate is suitable for indicating the working state of the compression spring.
Preferably, a fixing device is arranged at the end part of the energy storage motor, the fixing device is fixedly inserted into the side wall of the mechanism frame, a current sensor is fixed on the side wall of the fixing device, and the current sensor is suitable for monitoring the current change of the energy storage motor during working;
the fixing device includes: the fixing plate is in a long strip shape, and the two limiting sleeves are rotatably arranged at two ends of the fixing plate;
the limiting sleeve is hollow, and a limiting spring is fixed in the limiting sleeve;
the limiting rod is rotatably arranged in the limiting sleeve, and the end part of the limiting rod is propped against the limiting spring;
the outer wall of the end part of the limiting rod inserted into the limiting sleeve is provided with a spiral groove, the inner wall of the limiting sleeve is provided with a limiting block matched with the spiral groove, and the limiting block is suitable for pushing the limiting rod to rotate circumferentially;
the eccentric block is fixed at the end part of the limiting rod;
the limiting plate is fixed on one side of the mechanism frame far away from the fixing plate and is L-shaped,
the positioning plate is fixed on the side wall of the fixing plate, and the current sensor is fixed on the positioning plate; wherein
When the end part of the eccentric block abuts against the side wall of the mechanism frame, the fixing plate is pushed to move towards the direction of the energy storage motor, and the limiting block is suitable for pushing the limiting rod to rotate circumferentially so that the eccentric block synchronously rotates and is inserted into a corresponding mounting hole in the mechanism frame;
when the end part of the eccentric block abuts against the limiting plate, the limiting spring pushes the limiting rod to rotate circumferentially, so that the eccentric block synchronously rotates and abuts against the side wall of the mechanism frame.
Preferably, a clamping device is further fixed on the fixing plate, and the clamping device includes: the fixing ring is vertically fixed on the fixing plate, and the circle center of the fixing ring is arranged with the circular ring concentric circle of the current sensor;
the fixing ring is provided with a plurality of sliding grooves along the axial direction, and one clamping ball is correspondingly arranged in one sliding groove; wherein
When the power cord of the energy storage motor penetrates through the fixing ring, the clamping balls are suitable for tightly holding the power cord from the periphery.
Preferably, the fixing plate is further hinged with a plurality of limiting strips, every two limiting strips are symmetrically arranged on two sides of one limiting sleeve, and the limiting strips are L-shaped;
the end part of the limiting sleeve is provided with a limiting groove matched with the limiting strips, and the two limiting strips are suitable for being inserted into the limiting grooves;
the limiting sleeve outer wall is further fixed with a knocking plate, the knocking plate extends along the limiting sleeve in the radial direction, and the length of the knocking plate is larger than the distance between the limiting sleeve and the fixing ring.
The intelligent on-line current monitoring device for the on-off switch has the beneficial effects that the effect of rapidly disassembling the current sensor is achieved through the matching of the fixing device and the mechanism frame, when the fixing device is fixed, the end part of the eccentric block is abutted against the side wall of the mechanism frame, the fixing plate is pushed to move towards the direction of the energy storage motor, and the limiting block is suitable for pushing the limiting rod to rotate in the circumferential direction, so that the eccentric block synchronously rotates and is inserted into the corresponding mounting hole in the mechanism frame; when the end part of the eccentric block abuts against the limiting plate, the limiting spring pushes the limiting rod to rotate circumferentially, so that the eccentric block synchronously rotates and abuts against the side wall of the mechanism frame. The quick dismounting and assembling device is simple in structure and convenient to operate, the current sensor can be quickly dismounted and assembled through the fixing device, and compared with the traditional bolt dismounting, the quick dismounting and assembling device is simple in structure and high in working efficiency.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a perspective view of a preferred embodiment of an intelligent on-off switch on-line current monitoring device of the present invention;
FIG. 2 is a perspective view of a second level of the mechanism frame of the present invention;
FIG. 3 is a perspective view of the telescoping assembly of the present invention;
FIG. 4 is a perspective view of the drive gear set of the present invention;
FIG. 5 is a perspective view of the fixture and mechanism frame attachment of the present invention;
FIG. 6 is a perspective view of the fixation device of the present invention;
FIG. 7 is a cross-sectional view of a retaining ring of the present invention;
FIG. 8 is a longitudinal cross-sectional view of a spacing sleeve of the present invention;
FIG. 9 is a perspective view of a stop lever of the present invention;
FIG. 10 is a schematic view of the end of the eccentric mass of the present invention in position against the mechanism frame;
FIG. 11 is a schematic view illustrating a rotation state of an eccentric mass according to the present invention;
FIG. 12 is a schematic view of the side wall of the eccentric block of the present invention abutting against the mechanism frame;
fig. 13 is a schematic view of an eccentric mass and a stopper plate of the present invention.
In the figure:
1. a mechanism frame; 2. an energy storage switch; 3. an energy storage motor;
4. a drive gear set; 41. a pinion gear; 410. a first rotating shaft; 42. a bull gear; 420. a second rotating shaft; 43. a cam;
5. a linkage assembly; 51. a rotating plate; 52. a linkage rod; 53. a roller;
6. an energy storage assembly; 61. an energy storage rotating shaft; 62. connecting blocks; 63. a brake separating crank arm; 64. a telescoping assembly; 641. a fixed block; 642. a compression spring; 643. fixing a column; 644. positioning plates; 65. an indicator panel;
7. a fixing device; 71. a fixing plate; 710. a fixing ring; 712. clamping the ball; 713. a sliding groove; 714. a limiting strip; 715. knocking the plate; 72. positioning a plate; 73. a limiting sleeve; 74. a limiting rod; 75. an eccentric block; 76. a limiting plate; 77. a limiting spring; 78. a helical groove; 79. a limiting block; 8. and a current sensor.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 13, the online current monitoring device for an intelligent on-off switch of the present invention includes: the mechanism comprises a mechanism frame 1, an energy storage switch 2, an energy storage motor 3, a transmission gear set 4, a linkage assembly 5 and an energy storage assembly 6, wherein the energy storage switch 2 is rotatably arranged on a front layer plate on the mechanism frame 1, the mechanism frame 1 is divided into a front layer plate, a middle layer plate and a rear layer plate, and the front layer plate, the middle layer plate and the rear layer plate are fixedly connected through upright posts, so that a frame framework is formed; the energy storage motor 3 is fixed on a middle layer plate of the mechanism frame 1, one end of the energy storage motor 3 protrudes out of the front layer plate, and the energy storage switch 2 is suitable for controlling the energy storage motor 3 to work; the transmission gear set 4 is rotatably arranged on a middle layer plate of the mechanism frame 1, and the transmission gear set 4 is meshed with an output shaft of the energy storage motor 3; the energy storage motor 3 is suitable for driving the transmission gear set 4 to rotate circumferentially when working; the linkage assembly 5 is rotatably arranged on a middle layer plate of the mechanism frame 1, one end of the linkage assembly 5 is linked with the transmission gear set 4, and the other end of the linkage assembly 5 is linked with the energy storage assembly 6; the energy storage assembly 6 is arranged on a middle layer plate of the mechanism frame 1 in a telescopic mode; wherein, rotate energy storage switch 2 is in order to start energy storage motor 3, energy storage motor 3 drive 4 axial rotations of drive gear group, 4 synchronous drive of drive gear group 5 rotate, linkage 5 can stretch energy storage subassembly 6. Through the cooperation of drive gear group 4, linkage subassembly 5 and energy storage subassembly 6, reach the effect for deciliter switch energy storage to make the effect that can divide and shut automatically.
In order to better realize the torque of the transmission energy storage motor 3, the transmission gear set 4 comprises: the mechanism comprises a pinion 41, a gearwheel 42 and a cam 43, wherein the pinion 41 is rotatably fixed on the side wall of the front layer plate of the mechanism frame 1 close to the middle layer plate through a first rotating shaft 410, the end part of the first rotating shaft 410 protrudes out of the front layer plate, the end part of the first rotating shaft 410 is arranged to be polygonal, and the effect of manually driving the pinion 41 to rotate in the circumferential direction can be realized by independently rotating the first rotating shaft 410; synchronously, the energy storage motor 3 can drive the pinion 41 to rotate circumferentially, and the pinion 41 is meshed with the output shaft of the energy storage motor 3; the large gear 42 is rotatably disposed at one side of the small gear 41 through a second rotating shaft 420, and the large gear 42 and the small gear 41 are engaged with each other; the cam 43 is sleeved on the outer wall of the second rotating shaft 420, and the cam 43 is linked with the linkage assembly 5; when the energy storage motor 3 works, the pinion 41 is driven to rotate circumferentially, the pinion 41 synchronously drives the gearwheel 42 and the second rotating shaft 420 to rotate circumferentially, so that the cam 43 pushes the end part of the linkage assembly 5 to move away from the second rotating shaft 420, and the movement of the linkage assembly 5 synchronously pushes the energy storage assembly 6 to work and store energy.
Preferably, the linkage assembly 5 comprises: the mechanism comprises a rotating plate 51 and a linkage rod 52, wherein the rotating plate 51 is T-shaped, and the rotating plate 51 is rotatably arranged on the mechanism frame 1 through a positioning column; the lower end of the linkage rod 52 is hinged to the end part of the rotating plate 51, and the upper end of the linkage rod 52 is hinged to the outer wall of the energy storage assembly 6; the large gear 42 rotates circumferentially to drive the cam 43 to rotate synchronously, and the end of the cam 43 abuts against the side wall of the rotating plate 51 to drive the rotating plate 51 to rotate circumferentially with the positioning column as an axis; the rotating plate 51 pushes the linkage rod 52 to move upwards, and the linkage rod 52 pushes the energy storage assembly 6 to stretch. In order to reduce the friction between the rotating plate 51 and the cam 43, a roller 53 is disposed at one end of the rotating plate 51 close to the cam 43, the roller 53 is rotatably disposed at the end of the rotating plate 51, and the outer wall of the roller 53 protrudes from the side wall of the rotating plate 51. When the cam 43 rotates circumferentially, the end of the cam 43 abuts against the side wall of the roller 53, and the cam 43 can push the rotating plate 51 to move in the direction taking the positioning column as the axial linkage rod 52, so as to push the linkage rod 52 to move upwards.
In order to achieve the energy storage effect, the energy storage assembly 6 comprises: the energy storage rotating shaft 61 is rotatably arranged on a middle layer plate of the mechanism frame 1, the connecting block 62 is sleeved on the outer wall of the energy storage rotating shaft 61, and the connecting block 62 is hinged to the upper end of the linkage rod 52; the opening crank arm 63 is sleeved on the outer wall of the energy storage rotating shaft 61, the opening crank arm 63 is arranged on one side, away from the connecting block 62, of the middle layer plate, the telescopic component 64 is arranged on the side wall of the mechanism frame 1 in a telescopic mode, and the upper end of the telescopic component 64 is hinged to the opening crank arm 63; wherein, the rotating plate 51 promotes when the gangbar 52 rebound, the gangbar 52 promotes connecting block 62 with energy storage pivot 61 rotates as the axle axial, connecting block 62 promotes the synchronous circumferential direction of energy storage pivot 61, energy storage pivot 61 drives in step opening connecting lever 63 circumferential direction, with the extension assembly 64 to the realization is filled can.
Preferably, the retraction assembly 64 comprises: a fixing block 641, a compression spring 642 and a fixing column 643, wherein the fixing block 641 is fixed on the side wall of the middle plate of the mechanism frame 1, the upper end of the fixing column 643 is hinged on the opening crank arm 63, and the fixing column 643 penetrates through the fixing block 641; a positioning piece 644 is fixed at the lower end of the outer wall of the fixing column 643, one end of the compression spring 642 is fixed on the positioning piece 644, and the other end of the compression spring 642 is fixed on the fixing block 641; when the opening crank arm 63 moves upwards in the circumferential direction, the opening crank arm 63 pulls the fixing column 643 to move upwards, and the positioning piece 644 moves towards the fixing block 641 synchronously to press the compression spring 642, so that energy storage is realized.
In order to facilitate the checking of the energy storage state of the compression spring 642, an indicator plate 65 is fixed at one end of the energy storage rotating shaft 61 away from the opening connecting lever 63, and the indicator plate 65 is suitable for indicating the working state of the compression spring 642. Whether the compression spring 642 is successfully charged can be checked by observing the status of the pointer on the indicator plate 65.
In order to improve the convenience of current sensor 8's dismantlement, energy storage motor 3's tip is provided with a fixing device 7, fixing device 7 is pegged graft and is fixed the front plate lateral wall of mechanism frame 1, fixing device 7 lateral wall is fixed with a current sensor 8, current sensor 8 is suitable for the current change of monitoring energy storage motor 3 during operation, and for the change that can the real-time supervision electric current, be fixed with a wireless transmitter on the current sensor 8, the data that current sensor 8 monitored pass through wireless transmitter sends current signal data to receiving terminal to the condition of real-time supervision electric current.
The fixing device 7 includes: the fixing plate 71 is long, the fixing plate 71 is arranged along the length direction of the front plate, and the two limiting sleeves 73 are rotatably arranged at two ends of the fixing plate 71; a plurality of limiting strips 714 are hinged on the fixing plate 71, every two limiting strips 714 are symmetrically arranged on two sides of one limiting sleeve 73, and the limiting strips 714 are L-shaped; the end of the limiting sleeve 73 is provided with a limiting groove matched with the limiting strips 714, and the two limiting strips 714 are suitable for being inserted into the limiting groove; when the fixing is performed, the limiting strip 714 is correspondingly inserted into the limiting groove to prevent the limiting sleeve 73 from axially rotating. The limiting sleeve 73 is hollow, and a limiting spring 77 is fixed in the limiting sleeve 73; the limiting rod 74 is rotatably arranged in the limiting sleeve 73, and the end part of the limiting rod 74 abuts against the limiting spring 77; the outer wall of the end part of the limiting rod 74 inserted into the limiting sleeve 73 is provided with a spiral groove 78, the inner wall of the limiting sleeve 73 is provided with a limiting block 79 matched with the spiral groove 78, and the limiting block 79 is suitable for pushing the limiting rod 74 to rotate circumferentially; the eccentric block 75 is fixed at the end of the limit rod 74; the end of the eccentric block 75 is hemispherical, so that the eccentric block 75 can be conveniently inserted into the mounting hole; the limiting plates 76 are fixed on one side, away from the fixing plate 71, of the front plate of the mechanism frame 1, one limiting plate 76 corresponds to one mounting hole, and the limiting plates 76 are in an L shape; the positioning plate 72 is fixed on the side wall of the fixing plate 71, and the current sensor 8 is fixed on the positioning plate 72; when the mechanism frame 1 is fixed, the end of the eccentric block 75 abuts against the side wall of the front plate of the mechanism frame 1, as shown in fig. 10, at this time, the limit rod 74 is concentric with the mounting hole, and the hemispherical end of the eccentric block 75 abuts against the side wall of the front plate of the mechanism frame 1. As shown in fig. 11, the fixing plate 71 is continuously pushed to move towards the energy storage motor 3, the limiting sleeve 73 cannot rotate axially after being limited by the limiting strip 714, the limiting sleeve 73 continuously moves towards the limiting rod 74, the limiting block 79 is adapted to push the limiting rod 74 to rotate circumferentially, so that the eccentric block 75 rotates synchronously, the hemispherical end of the eccentric block 75 is separated from the front plate of the mechanism frame 1, and at this time, the eccentric block 75 can be inserted into the corresponding mounting hole on the mechanism frame 1 and move towards the limiting plate 76. As shown in fig. 12, when the hemispherical end of the eccentric block 75 abuts against the sidewall of the position-limiting plate 76, under the elastic force of the compression spring 642, the compression spring 642 can push the position-limiting rod 74 to rotate and return until the sidewall of the eccentric block 75 abuts against the sidewall of the front plate of the mechanism frame 1, and the two eccentric blocks 75, the two position-limiting plates 76 and the two position-limiting rods 74 cooperate to achieve the effect of position-limiting and fixing the fixing plate 71.
In order to achieve the effect of clamping the power cord of the energy storage motor 3, a clamping device is further fixed on the fixing plate 71, and the clamping device comprises: the fixing ring 710 is vertically fixed on the fixing plate 71, and the center of the fixing ring 710 is concentric with the ring of the current sensor 8; the power cord of the energy storage motor 3 passes through the current sensor 8 and then extends to the outside after passing through the fixing ring 710. The fixing ring 710 is axially provided with a plurality of sliding grooves 713, the groove depth of each sliding groove 713 is gradually increased from one end, close to the current sensor 8, of the fixing ring 710 to the other end, and when the clamping balls 712 slide from one end of each sliding groove 713 to the other end, the distance between the two opposite clamping balls 712 is gradually increased; a clamping ball 712 is correspondingly disposed in a sliding groove 713; when the power cord of the energy storage motor 3 passes through the fixing ring 710, the outer wall of the power cord pushes the clamping balls 712 to move along the sliding grooves 713, and a plurality of the clamping balls 712 are suitable for holding the power cord from the periphery.
Preferably, a knocking plate 715 is further fixed on an outer wall of the limiting sleeve 73, the knocking plate 715 extends along the radial direction of the limiting sleeve 73, and the length of the knocking plate 715 is greater than the distance from the limiting sleeve 73 to the fixing ring 710. Strike board 715 tip and have elasticity, when needing to strike, the pulling spacing 714 uses the pin joint to keep away from as the axial spacing sleeve 73 direction removes, spacing 714 with spacing sleeve 73 separates, promotes this moment the fixed plate 71 removes to energy storage motor 3 direction, and is a plurality of the power cord can be pressed from both sides to the clamp ball 712, simultaneously spacing sleeve 73 can axial rotation, thereby drives strike board 715 removes to solid fixed ring 710 to strike solid fixed ring 710 outer wall, with the remaining dust of vibrations clearance solid fixed ring 710 inner wall and clamp ball 712 outer wall.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides an online current monitoring devices of intelligence deciliter switch which characterized in that includes:
the energy storage mechanism comprises a mechanism frame (1), an energy storage switch (2), an energy storage motor (3), a transmission gear set (4), a linkage assembly (5) and an energy storage assembly (6), wherein the energy storage switch (2) is rotatably arranged on the mechanism frame (1), the energy storage motor (3) is fixed on the mechanism frame (1), and the energy storage switch (2) is suitable for controlling the energy storage motor (3) to work;
the transmission gear set (4) is rotatably arranged on the mechanism frame (1), and the transmission gear set (4) is meshed with an output shaft of the energy storage motor (3);
the linkage assembly (5) is rotatably arranged on the mechanism frame (1), one end of the linkage assembly (5) is linked with the transmission gear set (4), and the other end of the linkage assembly (5) is linked with the energy storage assembly (6);
the energy storage assembly (6) is arranged on the mechanism frame (1) in a telescopic mode; wherein
The energy storage switch (2) is rotated to start the energy storage motor (3), the energy storage motor (3) drives the transmission gear set (4) to axially rotate, the transmission gear set (4) synchronously drives the linkage assembly (5) to rotate, and the linkage assembly (5) can stretch the energy storage assembly (6);
the drive gear train (4) comprises: the mechanism comprises a pinion (41), a gearwheel (42) and a cam (43), wherein the pinion (41) is rotatably fixed on the mechanism frame (1) through a first rotating shaft (410), and the pinion (41) is meshed with an output shaft of the energy storage motor (3);
the gearwheel (42) is rotatably arranged on one side of the pinion (41) through a second rotating shaft (420), and the gearwheel (42) and the pinion (41) are meshed with each other;
the cam (43) is sleeved on the outer wall of the second rotating shaft (420), and the cam (43) is linked with the linkage component (5); wherein
The energy storage motor (3) is suitable for driving the second rotating shaft (420) to rotate circumferentially, so that the cam (43) pushes the end part of the linkage assembly (5) to move in a direction away from the second rotating shaft (420);
the linkage assembly (5) comprises: the mechanism comprises a rotating plate (51) and a linkage rod (52), wherein the rotating plate (51) is T-shaped, and the rotating plate (51) is rotatably arranged on the mechanism frame (1) through a positioning column;
the lower end of the linkage rod (52) is hinged to the end part of the rotating plate (51), and the upper end of the linkage rod (52) is hinged to the outer wall of the energy storage assembly (6); wherein
The large gear (42) rotates circumferentially to drive the cam (43) to rotate synchronously, and the end part of the cam (43) is abutted against the side wall of the rotating plate (51) so as to drive the rotating plate (51) to rotate circumferentially by taking the positioning column as an axis;
the rotating plate (51) pushes the linkage rod (52) to move upwards, and the linkage rod (52) pushes the energy storage assembly (6) to stretch;
one end of the rotating plate (51) close to the cam (43) is provided with a roller (53), the roller (53) is rotatably arranged at the end part of the rotating plate (51), and the outer wall of the roller (53) protrudes out of the side wall of the rotating plate (51);
the energy storage assembly (6) comprises: the energy storage mechanism comprises an energy storage rotating shaft (61), a connecting block (62), a brake separating crank arm (63) and a telescopic assembly (64), wherein the energy storage rotating shaft (61) is rotatably arranged on the mechanism frame (1), the connecting block (62) is sleeved on the outer wall of the energy storage rotating shaft (61), and the connecting block (62) is hinged to the upper end of the linkage rod (52);
the opening crank arm (63) is sleeved on the outer wall of the energy storage rotating shaft (61), the telescopic component (64) is arranged on the side wall of the mechanism frame (1) in a telescopic mode, and the upper end of the telescopic component (64) is hinged to the opening crank arm (63); wherein
When the linkage rod (52) pushes the connecting block (62) to rotate circumferentially, the connecting block (62) pushes the energy storage rotating shaft (61) to rotate circumferentially synchronously, and the energy storage rotating shaft (61) drives the opening crank arm (63) to rotate circumferentially synchronously so as to stretch the telescopic assembly (64);
the retraction assembly (64) comprises: a fixing block (641), a compression spring (642) and a fixing column (643), wherein the fixing block (641) is fixed on the side wall of the mechanism frame (1), the upper end of the fixing column (643) is hinged on the opening crank arm (63), and the fixing column (643) penetrates through the fixing block (641);
a positioning sheet (644) is fixed at the lower end of the outer wall of the fixing column (643), one end of the compression spring (642) is fixed on the positioning sheet (644), and the other end of the compression spring (642) is fixed on the fixing block (641); wherein
When the brake-separating crank arm (63) moves upwards in the circumferential direction, the brake-separating crank arm (63) pulls the fixing column (643) to move upwards and presses the compression spring (642);
an indicating plate (65) is fixed at one end, away from the opening connecting lever (63), of the energy storage rotating shaft (61), and the indicating plate (65) is suitable for indicating the working state of the compression spring (642);
a fixing device (7) is arranged at the end part of the energy storage motor (3), the fixing device (7) is fixedly inserted into the side wall of the mechanism frame (1), a current sensor (8) is fixed on the side wall of the fixing device (7), and the current sensor (8) is suitable for monitoring the current change of the energy storage motor (3) during working;
the fixing device (7) comprises: the fixing plate comprises a fixing plate (71), a positioning plate (72), two limiting sleeves (73), two limiting rods (74), two eccentric blocks (75) and two limiting plates (76), wherein the fixing plate (71) is long, and the two limiting sleeves (73) are rotatably arranged at two ends of the fixing plate (71);
the limiting sleeve (73) is hollow, and a limiting spring (77) is fixed in the limiting sleeve (73);
the limiting rod (74) is rotatably arranged in the limiting sleeve (73), and the end part of the limiting rod (74) is propped against the limiting spring (77);
the outer wall of the end part, inserted into the limiting sleeve (73), of the limiting rod (74) is provided with a spiral groove (78), the inner wall of the limiting sleeve (73) is provided with a limiting block (79) matched with the spiral groove (78), and the limiting block (79) is suitable for pushing the limiting rod (74) to rotate circumferentially;
the eccentric block (75) is fixed at the end part of the limiting rod (74);
the limiting plate (76) is fixed on one side of the mechanism frame (1) far away from the fixing plate (71), the limiting plate (76) is L-shaped,
the positioning plate (72) is fixed on the side wall of the fixing plate (71), and the current sensor (8) is fixed on the positioning plate (72); wherein
When the end part of the eccentric block (75) is abutted against the side wall of the mechanism frame (1), the fixing plate (71) is pushed to move towards the direction of the energy storage motor (3), and the limiting block (79) is suitable for pushing the limiting rod (74) to rotate circumferentially, so that the eccentric block (75) synchronously rotates and is inserted into a corresponding mounting hole on the mechanism frame (1);
when the end part of the eccentric block (75) is abutted to the limit plate (76), the limit spring (77) pushes the limit rod (74) to rotate circumferentially, so that the eccentric block (75) synchronously rotates and is abutted to the side wall of the mechanism frame (1).
2. The on-line current monitoring device of the intelligent switch-on/switch-off switch according to claim 1,
a clamping device is further fixed on the fixing plate (71), and the clamping device comprises: the fixing ring (710) is vertically fixed on the fixing plate (71), and the circle center of the fixing ring (710) is arranged with the concentric circle of the current sensor (8);
the fixing ring (710) is provided with a plurality of sliding grooves (713) along the axial direction, and one clamping ball (712) is correspondingly arranged in one sliding groove (713); wherein
When the power cord of the energy storage motor (3) passes through the fixing ring (710), the clamping ball (712) is suitable for holding the power cord from the periphery.
3. The on-line current monitoring device of the intelligent switch-on/switch-off switch according to claim 2,
a plurality of limiting strips (714) are further hinged to the fixing plate (71), every two limiting strips (714) are symmetrically arranged on two sides of one limiting sleeve (73), and the limiting strips (714) are L-shaped;
the end part of the limiting sleeve (73) is provided with a limiting groove matched with the limiting strips (714), and the two limiting strips (714) are suitable for being inserted into the limiting groove;
the outer wall of the limiting sleeve (73) is further fixed with a knocking plate (715), the knocking plate (715) extends along the radial direction of the limiting sleeve (73), and the length of the knocking plate (715) is larger than the distance from the limiting sleeve (73) to the fixing ring (710).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211000685.0A CN115083829B (en) | 2022-08-19 | 2022-08-19 | Intelligent on-line current monitoring device for on-off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211000685.0A CN115083829B (en) | 2022-08-19 | 2022-08-19 | Intelligent on-line current monitoring device for on-off switch |
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| Publication Number | Publication Date |
|---|---|
| CN115083829A CN115083829A (en) | 2022-09-20 |
| CN115083829B true CN115083829B (en) | 2022-10-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107993881B (en) * | 2018-01-19 | 2024-03-19 | 常州阿斯博开关有限公司 | Single-modularized breaker |
| CN108648929A (en) * | 2018-05-25 | 2018-10-12 | 国网浙江省电力有限公司温州供电公司 | Portable remote emergency brake-dividing device |
| CN208767178U (en) * | 2018-06-08 | 2019-04-19 | 广东维能电气有限公司 | A kind of assembly type spring operating mechanism |
| CN210925919U (en) * | 2019-11-30 | 2020-07-03 | 成都宣扬电器有限公司 | Energy storage spring driving mechanism of circuit breaker |
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