CN117872041B - Online monitoring equipment for voltage faults of power distribution network - Google Patents
Online monitoring equipment for voltage faults of power distribution network Download PDFInfo
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- CN117872041B CN117872041B CN202410284118.5A CN202410284118A CN117872041B CN 117872041 B CN117872041 B CN 117872041B CN 202410284118 A CN202410284118 A CN 202410284118A CN 117872041 B CN117872041 B CN 117872041B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 61
- 238000012806 monitoring device Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 42
- 230000003068 static effect Effects 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 abstract description 6
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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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
-
- 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
-
- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses voltage fault on-line monitoring equipment for a power distribution network, which belongs to the technical field of power monitoring equipment and comprises a fixed seat, a protective cover and a monitoring device, wherein the protective cover comprises an inner semicircular cover and an outer semicircular cover, fixed shafts are arranged between two ends of the inner semicircular cover and the outer semicircular cover and the fixed seat, the fixed shafts are provided with positioning surfaces for limiting the rotation freedom degree of the inner semicircular cover and the fixed seat, and are rotationally connected with the outer semicircular cover.
Description
Technical Field
The invention discloses power distribution network voltage fault on-line monitoring equipment, and belongs to the technical field of power monitoring equipment.
Background
The power supply in the power system is from a power plant and is transmitted to a load side through a high-voltage or ultra-high-voltage transmission network, then the network with lower voltage level distributes electric energy to users with different voltage levels, and the network which mainly plays a role in distributing electric energy in the power network is called a distribution network, namely a distribution network for short; in the transmission process of the distribution network, when the voltage on one of the transmission lines fails or leaks electricity, the voltage can be reduced, so that the transmission loss is large, or normal power transmission cannot be performed, therefore, the voltage needs to be monitored in real time, the existing voltage failure monitoring device is mostly directly exposed to the outside, the monitored electronic elements are short of ensuring effective protection, the service life is short, and the monitoring of a plurality of transmission lines cannot be met.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an on-line monitoring device for power distribution network voltage faults.
The invention realizes the aim through the following technical scheme that the voltage fault on-line monitoring equipment for the distribution network comprises a fixed seat, a protective cover and a monitoring device, wherein the protective cover comprises an inner semicircular cover and an outer semicircular cover, a fixed shaft is arranged between the two ends of the inner semicircular cover and the outer semicircular cover and the fixed seat, the fixed shaft is provided with a positioning surface for limiting the rotation freedom degree of the inner semicircular cover and the fixed seat, the fixed shaft is rotationally connected with the outer semicircular cover, the inner diameter of the outer semicircular cover is larger than or equal to the outer diameter of the inner semicircular cover, a mounting seat is arranged in the inner semicircular cover, a first power part for driving the outer semicircular cover to rotate is arranged on the inner semicircular cover, two ends of the mounting seat are fixedly connected with the two fixed shafts, a sliding seat is arranged on the mounting seat in a sliding manner, the monitoring device is arranged on the sliding seat, a second power part for driving the monitoring device to slide along the mounting seat is arranged on the mounting seat, the monitoring device comprises a monitoring rod, a box body, a box cover, electromagnetic coils and warning lamps, wherein an installation cavity is arranged in the box body, the two monitoring rods, the two electromagnetic coils and the warning lamps are respectively arranged in the two installation cavities, the two monitoring rods are rotatably arranged on the outer side of the box body, one ends of the monitoring rods are provided with first conducting plates of V-shaped structures, one ends of the electromagnetic coils are coupled with the first conducting plates through wires, the other ends of the electromagnetic coils are grounded, the distance between the two monitoring rods is equal to the distance between two adjacent power transmission lines, a movable plate is arranged between the two electromagnetic coils, an iron core which is arranged side by side with the electromagnetic coils is arranged in the middle of the movable plate, a movable switch is arranged between the movable plate and the box cover, the two warning lamps are coupled with the movable switch, the sliding seat is provided with a third power piece for driving the monitoring rod to rotate by 90 degrees.
Preferably, the first power piece comprises a first motor, a first driving gear and a first driven gear, wherein the first motor is fixed on the inner side of the inner semicircular cover, the first driving gear is fixed on an output shaft of the first motor, the first driven gear is fixed on the outer semicircular cover through a plurality of bolts, and the first driven gear is meshed with the first driving gear for transmission.
Preferably, the second power piece comprises a second motor, a first screw rod and a first guide rod, wherein the first guide rod and the first screw rod are both rotationally connected with the mounting seat, an output shaft of the second motor is fixedly connected with the first screw rod, the sliding seat is in threaded connection with the first screw rod, and the sliding seat is in sliding connection with the first guide rod.
Preferably, the third power piece includes rack, second driven gear, movable seat and driving piece, the bottom of box is provided with the brace table, two have the fretwork between the brace table, the one end of movable seat slides and sets up in the fretwork, the one end of monitor rod passes through bolt and second driven gear fixed connection, the rack is installed on the movable seat, and rack and second driven gear meshing transmission, be provided with the first spout that is used for fixing a position movable seat sliding distance on the sliding seat, the driving piece is installed on the box, and the driving piece is used for driving two movable seats and is close to each other or keep away from each other.
Preferably, the driving piece comprises a third motor, a second screw rod and a second guide rod, two sections of threads with opposite screwing directions are arranged on the second screw rod, the second screw rod is rotationally connected with the second guide rod and the box body, two movable seats are in threaded connection with the second screw rod and are in sliding connection with the second guide rod, and an output shaft of the third motor is fixedly connected with the second screw rod.
Preferably, a connecting rod is fixedly arranged at the center of the second driven gear, the connecting rod is rotationally connected with the box body, and through holes for the wires to pass through are formed in the connecting rod and the monitoring rod.
Preferably, the box is provided with the stopper corresponding to the installation department of second driven gear, the stopper passes through bolt and box fixed connection, be provided with on the rack with stopper complex second spout, the second spout is L shape structure, be provided with a plurality of equidistant triangular blocks that distribute on the movable seat, be provided with the dovetail groove that corresponds with the triangular block on the rack, be provided with the wedge face with the triangular block complex on the dovetail groove, the both ends of rack are provided with the slide bar, be provided with on the movable seat and supply slide bar gliding kidney slot from top to bottom, one side of rack still is provided with first spring, first spring housing is established on one of them slide bar, be provided with the third spout on the box, be provided with T shape piece in the third spout, the connecting rod rotates with T shape piece to be connected, be provided with the second spring on the T shape piece, the second spring is exerted decurrent effort to T shape piece to make second driven gear and rack keep the meshing state.
Preferably, the movable switch comprises a dynamic wiring rod, a second conductive sheet, a first static wiring rod and a second static wiring rod, wherein the second conductive sheet is arranged on the inner side of the movable plate, the dynamic wiring rod, the first static wiring rod and the second static wiring rod are both provided with two, and are fixed at the two ends of the second conductive sheet, the two ends of the dynamic wiring rod penetrate through the two sides of the movable plate, a fixed block used for fixing the first static wiring rod and the second static wiring rod is arranged on the box cover, the two warning lamps are respectively coupled with the first static wiring rod and the second static wiring rod, the colors of the two warning lamps are different, and an elastic part used for keeping the movable plate in a centering state is arranged on the box body.
Preferably, the elastic piece is provided with two, and it includes installation piece, third spring and third guide bar, installation piece and third spring are provided with two, the installation piece passes through bolt and box fixed connection, the both ends and the two installation pieces of third guide bar are connected, fly leaf and third guide bar slide and set up, the third spring cover is established on the third guide bar, and the third spring is located the both sides of fly leaf, be provided with the sleeve that is used for fixing a position fly leaf sliding distance on the installation piece, the one end of third spring is located the sleeve.
Preferably, a drain hole is formed in the middle bottom of the inner semicircular cover.
Compared with the prior art, the invention has the beneficial effects that:
Through setting up outer semicircle cover, interior semicircle cover, first power piece, monitoring devices and fixing base, interior semicircle cover keeps motionless with the fixing base, and outer semicircle cover then can rotate under the drive of first power piece, when needs monitor the power transmission line, the outer semicircle cover rotates to the below of interior semicircle cover, and when the outer semicircle cover rotates to the top of interior semicircle cover, can accomplish effectual protection to monitoring devices.
Through setting up monitor rod and third power spare, utilize third power spare to drive monitor rod and rotate 90, when monitoring to the power transmission line, keep monitor rod in vertical state, let first conducting strip contradict with two power transmission lines, can let two solenoid circular telegrams like this, when one of them power transmission line breaks down, its voltage reduces, and two solenoid circular telegrams are different to the electromagnetic attraction of iron core, so make one of them warning light circular telegram light, thereby accomplish the monitoring process.
Through setting up second power spare and sliding seat, second power spare can drive monitoring devices and sliding seat synchronous slip for the monitoring pole removes the below of appointed power transmission line, and can monitor many power transmission lines.
Drawings
FIG. 1 is a schematic diagram of a power distribution network voltage fault on-line monitoring device;
FIG. 2 is another state diagram of an on-line monitoring device for voltage faults in a power distribution network according to the present invention;
FIG. 3 is a schematic view of the first power mechanism, outer half-dome and inner half-dome of the present invention;
FIG. 4 is a schematic view of the structure of the case and the third power element according to the present invention;
FIG. 5 is a schematic view of a driving member according to the present invention;
FIG. 6 is a schematic structural view of a stopper and a third chute according to the present invention;
FIG. 7 is a schematic view of a third power element according to the present invention;
FIG. 8 is a schematic view showing the internal structure of the case according to the present invention;
Fig. 9 is a schematic view of the structure of the T-block and the connecting rod in the present invention.
Reference numerals: 1. an outer semi-circular cap; 2. a fixed shaft; 3. a first power member; 4. an inner semi-circular cap; 5. a fixing seat; 6. a first screw; 7. a first guide bar; 8. a case cover; 9. a warning light; 10. a case; 11. a second power member; 12. a driving member; 13. a monitoring rod; 14. a third power member; 15. a mounting base; 16. a second motor; 17. a positioning surface; 18. a first motor; 19. a first drive gear; 20. a first driven gear; 21. a movable plate; 22. an elastic member; 23. a third chute; 24. an electromagnetic coil; 25. a first conductive sheet; 26. an iron core; 27. a second driven gear; 28. a movable seat; 29. a first spring; 30. a slide bar; 31. a kidney-shaped groove; 32. a rack; 33. a second screw; 34. a second guide bar; 35. a third motor; 36. a support table; 37. a connecting rod; 38. a second chute; 39. a limiting block; 40. a sliding seat; 41. a first chute; 42. triangular blocks; 43. a trapezoid groove; 44. a mounting block; 45. a sleeve; 46. a third guide bar; 47. a third spring; 48. a dynamic junction bar; 49. a T-shaped block; 50. a first static wire pole; 51. a second conductive sheet; 52. a second static wire pole; 53. a fixed block; 54. a through hole; 55. and a second spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-9, an on-line monitoring device for voltage faults of a power distribution network comprises a fixed seat 5, a protective cover and a monitoring device, wherein the protective cover comprises an inner semicircular cover 4 and an outer semicircular cover 1, a fixed shaft 2 is arranged between two ends of the inner semicircular cover 4 and the outer semicircular cover 1 and the fixed seat 5, the fixed shaft 2 is provided with a positioning surface 17 for limiting the rotation freedom degree of the inner semicircular cover 4 and the fixed seat 5, the fixed shaft 2 is rotationally connected with the outer semicircular cover 1, the inner diameter of the outer semicircular cover 1 is larger than or equal to the outer diameter of the inner semicircular cover 4, a mounting seat 15 is arranged in the inner semicircular cover 4, a first power part 3 for driving the outer semicircular cover 1 to rotate is arranged on the inner semicircular cover 4, two ends of the mounting seat 15 are fixedly connected with the two fixed shafts 2, a sliding seat 40 is slidingly arranged on the mounting seat 15, the monitoring device is arranged on the sliding seat 40, a second power part 11 for driving the monitoring device to slide along the mounting seat 15 is arranged on the mounting seat 15, the monitoring device comprises a monitoring rod 13, a box body 10, a box cover 8, electromagnetic coils 24 and a warning lamp 9, wherein an installation cavity is arranged in the box body 10, the monitoring rod 13, the electromagnetic coils 24 and the warning lamp 9 are respectively provided with two electromagnetic coils 24, the two electromagnetic coils 24 are installed in the installation cavity, the two monitoring rods 13 are rotatably installed on the outer side of the box body 10, one end of each monitoring rod 13 is provided with a first conducting sheet 25 with a V-shaped structure, one end of each electromagnetic coil 24 is coupled with the first conducting sheet 25 through a wire, the other end of each electromagnetic coil 24 is grounded, the distance between the two monitoring rods 13 is equal to the distance between two adjacent power lines, a movable plate 21 is arranged between the two electromagnetic coils 24, an iron core 26 which is arranged side by side with the electromagnetic coils 24 is arranged in the middle of the movable plate 21, a movable switch is arranged between the movable plate 21 and the box cover 8, the two warning lamps 9 are coupled with the movable switch, a third power piece 14 for driving the monitoring rod 13 to rotate by 90 degrees is arranged on the sliding seat 40, and a drain hole is arranged at the middle bottom of the inner semicircular cover 4.
As shown in fig. 1-3, the first power part 3 includes a first motor 18, a first driving gear 19 and a first driven gear 20, the first motor 18 is fixed on the inner side of the inner semi-circular cover 4, the first driving gear 19 is fixed on the output shaft of the first motor 18, the first driven gear 20 is fixed on the outer semi-circular cover 1 through a plurality of bolts, the first driven gear 20 and the first driving gear 19 are meshed for transmission, the first motor 18 can drive the first driving gear 19, so that the first driven gear 20 drives the outer semi-circular cover 1 to rotate, the outer semi-circular cover 1 can be rotated below the inner semi-circular cover 4, the monitoring device is exposed to the outside and ready for monitoring the voltage of the power transmission line, and after the monitoring is completed, the first motor 18 drives the first driving gear 19 to rotate, so that the outer semi-circular cover 1 rotates to the upper side of the inner semi-circular cover 4, and the monitoring device can be shielded.
As shown in fig. 2, the second power part 11 includes a second motor 16, a first screw rod 6 and a first guide rod 7, the first guide rod 7 and the first screw rod 6 are both rotationally connected with the mounting seat 15, an output shaft of the second motor 16 is fixedly connected with the first screw rod 6, a sliding seat 40 is in threaded connection with the first screw rod 6, and the sliding seat 40 is slidably connected with the first guide rod 7, when the second motor 16 drives the first screw rod 6 to rotate, the sliding seat 40 drives the monitoring device to slide on the mounting seat 15, so that the two monitoring rods 13 synchronously move and move to the lower part of the power transmission line with monitoring.
As shown in fig. 3 and 4, the third power part 14 comprises a rack 32, a second driven gear 27, a movable seat 28 and a driving part 12, a supporting table 36 is arranged at the bottom of the box 10, a hollow is arranged between the two supporting tables 36, one end of the movable seat 28 is slidably arranged in the hollow, one end of the monitoring rod 13 is fixedly connected with the second driven gear 27 through a bolt, the rack 32 is arranged on the movable seat 28, the rack 32 is meshed with the second driven gear 27 for transmission, a first chute 41 for positioning the sliding distance of the movable seat 28 is arranged on a sliding seat 40, the driving part 12 is arranged on the box 10, the driving part 12 is used for driving the two movable seats 28 to be close to or far away from each other, the driving part 12 comprises a third motor 35, a second screw 33 and a second guide rod 34, two sections of threads with opposite rotation directions are arranged on the second screw 33, and the second screw rod 33 and the second guide rod 34 are rotationally connected with the box 10, the two movable seats 28 are in threaded connection with the second screw rod 33, the movable seat 28 is in sliding connection with the second guide rod 34, the output shaft of the third motor 35 is fixedly connected with the second screw rod 33, the third motor 35 can drive the second screw rod 33 to rotate, the two movable seats 28 can slide along the second guide rod 34, the rack 32 moves synchronously with the movable seats 28, the second driven gear 27 is kept in the original position and does not move, the rack 32 and the second driven gear 27 are in meshed transmission, and the second driven gear 27 drives the monitoring rod 13 to rotate by 90 degrees, so that the monitoring rod 13 can be kept in a horizontal or vertical state, and the monitoring of a power transmission line or the storage of the monitoring rod 13 can be realized.
As shown in fig. 4, 6 and 9, the connecting rod 37 is fixedly installed at the center of the second driven gear 27, the connecting rod 37 is rotatably connected with the case 10, and the through holes 54 for the wires to pass through are formed in the connecting rod 37 and the monitoring rod 13, the monitoring rod 13 and the second driven gear 27 rotate around the connecting rod 37, so that the wires connecting the first conductive sheet 25 and the electromagnetic coil 24 are not wound or damaged.
As shown in fig. 4-7, a limit block 39 is arranged at the mounting position of the box body 10 corresponding to the second driven gear 27, the limit block 39 is fixedly connected with the box body 10 through bolts, a second sliding groove 38 matched with the limit block 39 is arranged on a rack 32, the second sliding groove 38 is in an L-shaped structure, a plurality of triangular blocks 42 distributed at equal intervals are arranged on a movable seat 28, trapezoid grooves 43 corresponding to the triangular blocks 42 are arranged on the rack 32, wedge-shaped surfaces matched with the triangular blocks 42 are arranged on the trapezoid grooves 43, sliding rods 30 are arranged at two ends of the rack 32, a waist-shaped groove 31 for the sliding rods 30 to slide up and down is arranged on the movable seat 28, a first spring 29 is arranged on one side of the rack 32, the first spring 29 is sleeved on one of the sliding rods 30, a third sliding groove 23 is arranged on the box body 10, a T-shaped block 49 is arranged in the third sliding groove 23, the connecting rod 37 is rotationally connected with the T-shaped block 49, a second spring 55 is arranged on the T-shaped block 49, the second spring 55 applies downward force to the T-shaped block 49 to keep the second driven gear 27 meshed with the rack 32, when the transmission line is monitored, the third motor 35 drives the movable seat 28 to move, the rack 32 keeps moving synchronously with the movable seat 28 under the action of the first spring 29, the monitoring rod 13 rotates 90 degrees when the rack 32 is meshed with the second driven gear 27, the monitoring rod 13 rotates from the horizontal state to the vertical state firstly, the highest point of the first conductive sheet 25 is lower than the height of the transmission line, at the moment, the limiting block 39 moves from one end to the other end of the second sliding groove 38 and has a space capable of sliding upwards, then the movable seat 28 continues to slide in the first sliding groove 41, the rack 32 is limited by the limiting block 39 and can not move and compress the first spring 29, the rack 32 and the movable seat 28 move relatively, by means of the cooperation of the triangular block 42 and the wedge-shaped surface, the rack 32 drives the second driven gear 27 upwards, the first conducting strip 25 is moved upwards and is abutted against the power transmission lines under the condition that the monitoring rod 13 is kept in a vertical state, so that the electromagnetic coil 24 is electrified, after two power transmission lines are monitored, the third motor 35 is reversed to enable the movable seat 28 to reversely move for a small distance, the first conducting strip 25 is separated from the power transmission lines, the second power piece 11 drives the sliding seat 40 and the monitoring device to move to the positions of the other two power transmission lines to be monitored, and then secondary monitoring can be performed.
As shown in fig. 4 and 8, the movable switch includes a dynamic wiring pole 48, a second conductive sheet 51, a first static wiring pole 50 and a second static wiring pole 52, the second conductive sheet 51 is disposed on the inner side of the movable plate 21, two dynamic wiring poles 48, the first static wiring pole 50 and the second static wiring pole 52 are all disposed on the dynamic wiring pole 48, and the dynamic wiring pole 48 is fixed on two ends of the second conductive sheet 51, two ends of the dynamic wiring pole 48 penetrate to two sides of the movable plate 21, a fixed block 53 for fixing the first static wiring pole 50 and the second static wiring pole 52 is disposed on the case cover 8, two warning lamps 9 are respectively coupled with the first static wiring pole 50 and the second static wiring pole 52, the two warning lamps 9 are different in color, an elastic member 22 for keeping the movable plate 21 in a centered state is disposed on the case 10, electromagnetic coil 24 is utilized to energize the iron core 26, when the two electromagnetic coils 24 are not identical in attraction, the elastic member 22 can move towards one side, and the static wiring pole 48 can be overcome by the elastic force of the movable plate 21, and the first power line 48 is not equal to the static wiring pole 52, thus the fault is monitored, and the fault is not lighted up to the first warning lamp 9.
As shown in fig. 8, the elastic member 22 is provided with two elastic members, and the elastic member comprises two mounting blocks 44, a third spring 47 and a third guide rod 46, the two mounting blocks 44 and the third spring 47 are provided, the mounting blocks 44 are fixedly connected with the box 10 through bolts, two ends of the third guide rod 46 are connected with the two mounting blocks 44, the movable plate 21 and the third guide rod 46 are slidably arranged, the third spring 47 is sleeved on the third guide rod 46, the third spring 47 is positioned at two sides of the movable plate 21, the mounting blocks 44 are provided with sleeves 45 for positioning the sliding distance of the movable plate 21, one ends of the third spring 47 are positioned in the sleeves 45, when the power transmission line is monitored, if the power transmission line is initially failed, the voltage of the power transmission line is reduced, so that the current introduced by one electromagnetic coil 24 is smaller than the current introduced by the other electromagnetic coil 24, the adsorption force generated by the two electromagnetic coils 24 to the iron core 26 is different, so that the movable plate 21 slides towards one side with large adsorption force, the acting force of the third springs 47 on two sides of the movable plate 21 changes, the movable plate 21 can drive the dynamic wiring rod 48 to collide with the first static wiring rod 50 or the second static wiring rod 52, one of the warning lamps 9 can be lightened, and accordingly the power transmission line can be monitored in real time, when the two warning lamps 9 are not lightened, the two power transmission lines to be detected are in a normal state of power transmission or in a fault state, the rest power transmission lines are monitored, the fault power transmission lines can be comprehensively judged, and the power supply of the warning lamps 9, the first motor 18, the second motor 16 and the third motor 35 is provided by a power supply, so that the power supply belongs to the prior art and is not excessively repeated.
Working principle: the device is fixed on the pier stud of the power transmission line, when the power transmission line is required to be monitored, the first power piece 3 is utilized to drive the outer semicircular cover 1 to rotate 180 degrees, the monitoring device is exposed to the outside, then the second power piece 11 drives the sliding seat 40 and the monitoring device to move, the rotating point of the two monitoring rods 13 is located below the two power transmission lines to be monitored, the third power piece 14 is utilized to drive the two monitoring rods 13 to rotate 90 degrees by taking the connecting rod 37 as the center, the monitoring rods 13 are enabled to rotate from a horizontal state to a vertical state and located below the power transmission line, then the triangular blocks 42 and the wedge-shaped surface are utilized to slide in a matched mode, the monitoring rods 13 slide upwards for a certain distance, so that the first conducting piece 25 is enabled to be in contact with the power transmission line, when one power transmission line breaks down, the voltage of the monitoring rods is reduced, the electromagnetic adsorption force generated by an informing circuit connected to enable one side of the two electromagnetic coils 24 to move, and the warning lamp 9 is electrified, if the two monitoring rods 13 can be overhauled, the second power piece 11 can drive the monitoring rods 13 to move horizontally, the monitoring rods 13 can rotate from the horizontal state to the vertical state, the monitoring rods can be driven by 180 degrees, the monitoring rods can be driven to rotate from the inner half-round cover 1 to the vertical state, and the outer round cover 1 can be driven to rotate, and the inner half-round cover 1 can be completely rotated, and the real-time can be detected, and rotated by the monitoring device can be rotated by the real-time, and rotated by the monitoring device is in the real-time, and can be rotated from the monitoring device and rotated from the vertical state to the state and can be rotated from the vertical state to the state and can be rotated from the state to the 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides an on-line monitoring equipment for voltage faults of distribution network, includes fixing base (5), protection casing and monitoring devices, a serial communication port, the protection casing includes interior semicircle cover (4) and outer semicircle cover (1), be provided with fixed axle (2) between the both ends and fixing base (5) of interior semicircle cover (4) and outer semicircle cover (1), fixed axle (2) have location face (17) that restrict interior semicircle cover (4) and fixing base (5) rotation degree of freedom, and fixed axle (2) are connected with outer semicircle cover (1) rotation, the internal diameter of outer semicircle cover (1) is greater than or equal to the external diameter of interior semicircle cover (4), be provided with mount pad (15) in interior semicircle cover (4), and be provided with on interior semicircle cover (4) be used for driving outer semicircle cover (1) pivoted first power piece (3), the both ends and two fixed axles (2) fixed connection of mount pad (15), slide on mount pad (15) are provided with sliding seat (40), monitoring devices installs on sliding seat (40), be used for on the second motor housing (8), warning device (10) are arranged along monitor device, electromagnetic box (10), the utility model discloses a power monitoring device, including a box body (10), a motor cover (8) and a motor cover (8) is arranged on the box body, an installation cavity is arranged in the box body (10), a monitoring rod (13), an electromagnetic coil (24) and a warning lamp (9) are both arranged in two, two the electromagnetic coil (24) are arranged in the installation cavity, two the monitoring rod (13) is rotatably arranged on the outer side of the box body (10), one end of the monitoring rod (13) is provided with a first conducting strip (25) with a V-shaped structure, one end of the electromagnetic coil (24) is coupled with the first conducting strip (25) through a conducting wire, the other end of the electromagnetic coil (24) is grounded, the distance between the two monitoring rods (13) is equal to the distance between two adjacent power lines, two movable plates (21) are arranged between the electromagnetic coil (24), the middle part of the movable plates (21) is provided with an iron core (26) which is arranged side by side with the electromagnetic coil (24), a movable switch is arranged between the movable plates (21) and the box cover (8), two the warning lamp (9) is coupled with the movable switch, a sliding seat (40) is provided with a first conducting strip (25), a second conducting strip (52) is arranged on the sliding seat (40) and is used for driving the first conducting strip (13) to rotate from a first conducting strip to a static state (50) to a second conducting strip (50), a second conducting strip (50) to a static state (50) and a second conducting strip (50) from a static state to a static state (13, the utility model discloses a movable plate, including movable plate (21), dynamic wiring pole (48), first static wiring pole (50) and second static wiring pole (52), dynamic wiring pole (48) all are provided with two to the both ends at second conducting strip (51) are fixed to dynamic wiring pole (48), both ends of dynamic wiring pole (48) run through to the both sides of movable plate (21), be provided with fixed block (53) that are used for fixed first static wiring pole (50) and second static wiring pole (52) on case lid (8), two warning light (9) are coupled with first static wiring pole (50) and second static wiring pole (52) respectively, and the colour of two warning light (9) is different, be provided with on box (10) and be used for keeping movable plate (21) in elasticity piece (22) of centering state.
2. The power distribution network voltage fault on-line monitoring device according to claim 1, wherein the first power piece (3) comprises a first motor (18), a first driving gear (19) and a first driven gear (20), the first motor (18) is fixed on the inner side of the inner semi-circular cover (4), the first driving gear (19) is fixed on an output shaft of the first motor (18), the first driven gear (20) is fixed on the outer semi-circular cover (1) through a plurality of bolts, and the first driven gear (20) is meshed with the first driving gear (19).
3. The power distribution network voltage fault on-line monitoring device according to claim 1, wherein the second power piece (11) comprises a second motor (16), a first screw rod (6) and a first guide rod (7), the first guide rod (7) and the first screw rod (6) are both rotationally connected with the mounting seat (15), an output shaft of the second motor (16) is fixedly connected with the first screw rod (6), the sliding seat (40) is in threaded connection with the first screw rod (6), and the sliding seat (40) is in sliding connection with the first guide rod (7).
4. The power distribution network voltage fault on-line monitoring equipment according to claim 1, wherein the third power part (14) comprises a rack (32), a second driven gear (27), movable seats (28) and a driving part (12), a supporting table (36) is arranged at the bottom of the box body (10), two supporting tables (36) are provided with hollowed-out parts, one end of each movable seat (28) is slidably arranged in the hollowed-out parts, one end of each monitoring rod (13) is fixedly connected with the corresponding second driven gear (27) through a bolt, the rack (32) is arranged on each movable seat (28), the rack (32) is meshed with the corresponding second driven gear (27) for transmission, a first sliding groove (41) for positioning the sliding distance of each movable seat (28) is arranged on each sliding seat (40), the driving part (12) is arranged on the box body (10), and the driving part (12) is used for driving the two movable seats (28) to be close to or far away from each other.
5. The on-line monitoring device for voltage faults of a power distribution network according to claim 4 is characterized in that the driving piece (12) comprises a third motor (35), a second screw rod (33) and a second guide rod (34), two sections of threads with opposite rotation directions are arranged on the second screw rod (33), the second screw rod (33) and the second guide rod (34) are rotationally connected with the box body (10), two movable seats (28) are in threaded connection with the second screw rod (33), the movable seats (28) are in sliding connection with the second guide rod (34), and an output shaft of the third motor (35) is fixedly connected with the second screw rod (33).
6. The equipment for on-line monitoring of voltage faults of power distribution networks according to claim 4 is characterized in that a connecting rod (37) is fixedly installed in the center of the second driven gear (27), the connecting rod (37) is rotationally connected with the box body (10), and through holes (54) for wires to pass through are formed in the connecting rod (37) and the monitoring rod (13).
7. The on-line monitoring equipment for voltage faults of a power distribution network according to claim 6, characterized in that a limit block (39) is arranged at the mounting position of the box body (10) corresponding to the second driven gear (27), the limit block (39) is fixedly connected with the box body (10) through a bolt, a second sliding groove (38) matched with the limit block (39) is arranged on the rack (32), the second sliding groove (38) is of an L-shaped structure, a plurality of triangular blocks (42) distributed at equal intervals are arranged on the movable seat (28), trapezoid grooves (43) corresponding to the triangular blocks (42) are arranged on the rack (32), wedge-shaped surfaces matched with the triangular blocks (42) are arranged on the trapezoid grooves (43), sliding rods (30) are arranged at two ends of the rack (32), waist-shaped grooves (31) for the sliding rods (30) to slide up and down are arranged on the movable seat (28), a first spring (29) is further arranged on one side of the movable seat, a plurality of triangular blocks (42) are sleeved on one sliding rod (30), a third sliding groove (49) is arranged on the box body (30), a third sliding groove (49) is arranged in the T-shaped groove (49), a connecting rod (49) is arranged in the T-shaped groove (49), the second spring (55) applies a downward force to the T-block (49) to maintain the second driven gear (27) in engagement with the rack (32).
8. The power distribution network voltage fault on-line monitoring equipment according to claim 1, wherein the elastic piece (22) is provided with two, and comprises a mounting block (44), a third spring (47) and a third guide rod (46), the mounting block (44) and the third spring (47) are provided with two, the mounting block (44) is fixedly connected with the box body (10) through bolts, two ends of the third guide rod (46) are connected with the two mounting blocks (44), the movable plate (21) and the third guide rod (46) are slidably arranged, the third spring (47) is sleeved on the third guide rod (46), the third spring (47) is located on two sides of the movable plate (21), a sleeve (45) for locating the sliding distance of the movable plate (21) is arranged on the mounting block (44), and one end of the third spring (47) is located in the sleeve (45).
9. An on-line monitoring device for voltage faults in a power distribution network according to claim 1 is characterized in that a drain hole is arranged at the middle bottom of the inner semicircular cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410284118.5A CN117872041B (en) | 2024-03-13 | 2024-03-13 | Online monitoring equipment for voltage faults of power distribution network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410284118.5A CN117872041B (en) | 2024-03-13 | 2024-03-13 | Online monitoring equipment for voltage faults of power distribution network |
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| CN117872041A CN117872041A (en) | 2024-04-12 |
| CN117872041B true CN117872041B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410284118.5A Active CN117872041B (en) | 2024-03-13 | 2024-03-13 | Online monitoring equipment for voltage faults of power distribution network |
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| CN (1) | CN117872041B (en) |
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| CN116754895A (en) * | 2023-06-21 | 2023-09-15 | 国网福建省电力有限公司南平供电公司 | Wide-area synchronous 10kV line fault monitoring device |
| CN117268248A (en) * | 2023-11-21 | 2023-12-22 | 国网辽宁省电力有限公司 | Method and device for measuring magnetic characteristics of magnetic core of transformer |
| CN117538798A (en) * | 2024-01-10 | 2024-02-09 | 国网辽宁省电力有限公司 | Electric leakage detector for power grid transmission line |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101626141B1 (en) * | 2015-09-17 | 2016-05-31 | 서천전기공사(주) | Apparatus for watching fault of power distribution line |
| CN213181855U (en) * | 2020-10-10 | 2021-05-11 | 辽宁基石电子科技有限公司 | Electric circuit monitoring device |
| CN112578231A (en) * | 2020-12-29 | 2021-03-30 | 南京佳智飞迅科技有限公司 | Special weak current power detection method and equipment thereof |
| CN215641598U (en) * | 2021-06-23 | 2022-01-25 | 国网辽宁省电力有限公司大连供电公司 | Distribution network cable line fault indicator acquisition unit |
| CN217007547U (en) * | 2021-11-22 | 2022-07-19 | 中国地质大学（武汉） | Low-current overhead line ground fault locator |
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| CN117268248A (en) * | 2023-11-21 | 2023-12-22 | 国网辽宁省电力有限公司 | Method and device for measuring magnetic characteristics of magnetic core of transformer |
| CN117538798A (en) * | 2024-01-10 | 2024-02-09 | 国网辽宁省电力有限公司 | Electric leakage detector for power grid transmission line |
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| CN117872041A (en) | 2024-04-12 |
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