CN116683397B - On-line monitoring device and method for electrical equipment in high-voltage environment - Google Patents
On-line monitoring device and method for electrical equipment in high-voltage environment Download PDFInfo
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- CN116683397B CN116683397B CN202310665855.5A CN202310665855A CN116683397B CN 116683397 B CN116683397 B CN 116683397B CN 202310665855 A CN202310665855 A CN 202310665855A CN 116683397 B CN116683397 B CN 116683397B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000008531 maintenance mechanism Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current additionally responsive to some other abnormal electrical conditions
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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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/05—Details with means for increasing reliability, e.g. redundancy arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the technical field of electric equipment detection, in particular to an on-line monitoring device and a method thereof for electric equipment in a high-voltage environment. The device can protect the whole circuit and the electrical equipment in real time, avoid damage or loss of the circuit and the electrical equipment caused by sudden rise of current or voltage, further improve the service life of the device, avoid fire, and further cause larger loss, and ensure the normal passage of the device after the circuit is stable, so that the normal use of the electrical equipment is not influenced.
Description
Technical Field
The invention relates to the technical field of electrical equipment detection, in particular to an on-line monitoring device and method for electrical equipment in a high-voltage environment.
Background
The electric equipment is a generic name of equipment such as a generator, a transformer, a power line, a circuit breaker and the like in a power system, the important role of electric power in our life and production cannot be ignored, great convenience is brought to us, the electric equipment becomes an important energy source in our production and life, the most critical factor capable of enabling the electric power to normally run and be conveyed in a power plant is the electric equipment, and when the current or the voltage is too high, the electric circuit and the electric equipment are damaged;
when the existing part of on-line monitoring device for electric equipment is used in a high-voltage environment, when the current or voltage is influenced by the external environment and the situation of overhigh current or voltage suddenly appears, the line or the electric equipment is often damaged or lost to a certain extent, the service life is reduced, the normal operation is influenced, the risk of fire disaster can occur when the operation is serious, the loss of a user is further increased, and the device can not be replaced in time, so that the normal use is further influenced.
Disclosure of Invention
The invention aims to provide an on-line monitoring device and a method thereof for electrical equipment in a high-voltage environment, so as to solve the problems that when the existing part of on-line monitoring device for electrical equipment provided in the background art is used in the high-voltage environment, when the current or voltage is influenced by the external environment and is suddenly over-high, the circuit or the electrical equipment is often damaged or lost to a certain extent, the service life is reduced, the normal operation of the circuit or the electrical equipment is influenced, the fire hazard is seriously caused, the loss of a user is further increased, the device cannot be replaced in time, and the normal use is further influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an electrical equipment on-line monitoring device under high pressure environment and method thereof, the device includes casing, maintenance mechanism and safety mechanism, the one end of casing is connected with the lid through the pivot, one side fixedly connected with back seat of casing, the inside of back seat is provided with the battery, the one end of battery is provided with control module, control module's one end is provided with transmission module, the diagonal of casing is provided with the joint, the inside of casing is provided with two sets of connection boxes, the inside of connection box all is provided with built-in circuit, and built-in circuit and connection box's both ends all are connected with the joint respectively, built-in circuit's one end all is provided with the draw-in groove, built-in circuit's one end all is provided with the safety disc, and the both ends of safety disc are located the inside of draw-in groove respectively, the both ends of safety disc all are provided with the fixed cover, and the inner wall of fixed cover all is laminated with built-in circuit and draw-in groove respectively, the inner wall fixedly connected with the fixing base, and both ends of fixing base all are located the middle part fixedly connected with built-in circuit respectively, the inside sliding connection of slider has, the inside sliding connection has the slider, the electric connection has the one end that is close to each other, and the push rod is provided with the fixed cover.
Preferably, the control end of the transmission module is electrically connected with the battery through the control module, and the control end of the electric push rod is electrically connected with the control module through the circuit detector.
Preferably, the maintenance mechanism comprises a partition plate, a fixed rod, a fixed groove, a movable groove, a fixed plate, a first spring, a pull rope, a rotating piece and a rotating rod, wherein the partition plate is arranged on one side of the shell, one side of the partition plate is attached to the connecting box, the fixed rods are fixedly connected to the two ends of the partition plate, two groups of fixed grooves are symmetrically arranged on the inner wall of the shell, the movable grooves are respectively arranged in the middle and the two ends of the fixed rod, the fixed plates are slidably connected to the two groups of the movable grooves, one ends of the fixed plates are fixedly connected with the first spring, one ends of the first spring are fixedly connected to the inner wall of the movable groove, one ends of the fixed plate are fixedly connected with the pull rope, one ends of the pull rope penetrate through the first spring and the fixed rod respectively and extend to the inner part of the middle movable groove, one ends of the rotating piece are connected with the rotating piece through bearings, one ends of the rotating piece are symmetrically and fixedly connected with the rotating rod, and one ends of the rotating rod are fixedly connected with one ends of the pull rope respectively, and the user can maintain the device conveniently.
Preferably, one ends of the fixing plates are located in the fixing grooves respectively, and one ends of the fixing plates are arc-shaped, so that a user can conveniently install the partition plates.
Preferably, the safety mechanism comprises a moving groove, a downward moving block, a high-strength insulating plate, a cutter, a cutting seat, a second spring, a connecting groove, a connecting plate, a collecting groove, a locking block, a third spring, a mounting groove, a sliding groove, a penetrating groove, a push-pull electromagnet, a push plate, a fourth spring, a pull plate and a current voltage detector, wherein one end of the connecting box is provided with the moving groove, the moving groove is in sliding connection with the downward moving block, the bottom end of the downward moving block is fixedly connected with two groups of high-strength insulating plates, the bottom end of the high-strength insulating plate is fixedly connected with the cutter, the inner wall of the bottom end of the connecting box is provided with the cutting seat, the top end of the downward moving block is uniformly and fixedly connected with the second spring, the top end of the second spring is fixedly connected with the inner wall of the moving groove, the inner wall of the top end of the moving groove is provided with the connecting groove, the connecting groove is in sliding connection with the connecting plate, the bottom end of the connecting plate is fixedly connected with the downward moving block, one end of the connecting groove is provided with the collecting groove, the inner side of the collecting groove is in sliding connection with the locking block is in sliding connection with the sliding connection, the push plate is provided with the push plate, the push plate is in sliding connection with the push plate is provided with the push plate, the push plate is in the sliding connection is fixedly connected with the collecting groove, the push plate is provided with the push plate is in the connecting groove is respectively, the sliding connection is fixedly connected with the connecting groove is with the sliding groove is respectively, the inner connecting groove is respectively, the sliding connecting plate is provided with the inner has a push plate is respectively, and the push plate is has a push plate is and is fixedly is and is respectively, and is has a is by a and is respectively, and is has, and one end of the fourth spring is fixedly connected with one end of the sliding groove respectively, one end of the downward moving block is fixedly connected with a pulling plate, the pulling plate extends to the outside of the connecting box respectively, one end of the connector is provided with a current and voltage detector, and the safety of a circuit and electric equipment is improved.
Preferably, the distance between the cutters is respectively smaller than the length of the safety piece, and the cutters are respectively perpendicular to the safety piece so as to cut off the safety piece conveniently.
Preferably, the control ends of the push-pull electromagnet are electrically connected with the control module through the current and voltage detector, one ends of the locking blocks are arc-shaped, the locking blocks are convenient to move downwards and reset with the connecting plate, the position, close to the middle part, of the push-pull electromagnet is arc-shaped, and the two ends of the push-pull electromagnet are different in size, so that the locking blocks are convenient to push.
Preferably, one side of the connection box is connected with the closing plate through a screw, the shell and the surface of one side of the connection box are both provided with the electric leakage detector, one end of the connection box is provided with the prompting lamp, the top end of the shell is provided with the alarm, the alarm is electrically connected with the control module through the electric leakage detector, and the control end of the prompting lamp is electrically connected with the control module through the travel switch respectively, so that the use safety is improved and the replacement is convenient.
The operation method of the device comprises the following steps:
step one: when the current and voltage detector detects that the voltage or the current suddenly rises, the control module and the current and voltage detector control the push-pull electromagnet to work instantly, the lock block can be instantly retracted into the groove through the push plate, the connecting plate and the downward moving block rapidly move downwards under the action of the second spring, the high-strength insulating plate can play an insulating role, and the safety piece can be instantly cut off through the cutter, so that the whole circuit is disconnected;
step two: starting a standby circuit, when current or voltage stability is detected through a current-voltage detector, controlling the electric push rod to work through the control module and the circuit detector, switching on another group of circuits through the electric push rod, the sliding block and the travel switch, starting the standby circuit at the moment, simultaneously, switching off the circuits secondarily for one group of circuits of the switching-off circuit, and transmitting generated data in real time through the transmission module;
step three: when a user changes the safety sheet, firstly, judging whether the shell is safe or not by observing the alarm, then, rotating the rotating piece by the user, pulling the fixed plate through the rotating rod and the pull rope, then, taking down the partition plate by the user, taking down the closed plate by the user, and pushing the pull plate upwards so as to reset the downward moving block, the cutter and the connecting plate, and then, changing the damaged safety sheet by the user;
step four: reset, when the user installs the baffle, the user places the baffle inside the casing, and the arc surface of fixed plate one end is contradicted to the inside removal of back to the movable groove with the inner wall of casing, when the fixed plate moved to the position of fixed groove, can make the fixed plate reset this moment under the effect of first spring to accomplish fixed work, and control electric push rod resumes main circuit power supply when idle.
Compared with the prior art, the invention has the beneficial effects that:
when a user uses the device, current and voltage are transmitted through a group of built-in circuits and safety sheets, when the current and voltage detector detects voltage or current suddenly rises, the push-pull electromagnet is controlled to work instantly through the control module and the current and voltage detector, at the moment, the locking piece can be instantly retracted into the inside of the collecting groove through the push plate, at the moment, the connecting plate and the downward moving piece rapidly move downwards under the action of the second spring, the insulating effect can be achieved through the high-strength insulating plate, the safety sheets can be instantly cut off through the cutter, the whole circuit is disconnected, damage to the circuit and electrical equipment is avoided, the service life of the circuit and electrical equipment is prolonged, meanwhile, the control module controls a group of prompting lamps to work, when the current and voltage detector detects that the current or voltage is stable, the control module and the circuit detector control the electric push rod to work, the other group of circuits is connected through the electric push rod, the sliding block and the travel switch, the standby circuit is started at the moment, and the secondary circuit breaking is carried out on one group of circuits of the cut-off circuit, so that the safety sheet is replaced later, the normal use of the circuits and the electric equipment is ensured, the generated data is sent in real time through the transmission module, the user is reminded of replacing the safety sheet in time, when the user replaces the safety sheet, the user rotates the rotating piece to pull the fixing plate through the rotating rod and the pull rope, then the user takes down the partition plate, the user takes down the closing plate and pushes the pulling plate upwards, thereby resetting the downward moving block, the cutter and the connecting plate, then the user replaces the damaged safety sheet, the replaced safety sheet can be recycled, the device is very environment-friendly and economical, and the whole circuit and the electric equipment can be protected in real time, avoid it to lead to the fact damage or loss of circuit and electrical equipment because of electric current or voltage rise suddenly, and then improve its life, avoid the production of conflagration, thereby lead to the fact bigger loss, can guarantee its normal route after the circuit is stable simultaneously, do not influence the normal use of electrical equipment, also can send the information and the state that this device detected in real time, ensure that the user in time knows the condition of this device, be convenient for the user simultaneously to its maintenance.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the interior of the housing of the present invention;
fig. 3 is an internal perspective view of a battery according to the present invention;
FIG. 4 is a schematic perspective view showing a section of a fixing rod, a fixing groove and a connection box according to the present invention;
FIG. 5 is a schematic perspective view of a stationary bar and a movable slot according to the present invention;
FIG. 6 is a schematic perspective view of a connecting box and a fixing base according to the present invention;
FIG. 7 is a schematic perspective view of a connection box and a moving slot according to the present invention;
FIG. 8 is a schematic perspective view of a section of a receiving slot, a sliding slot and a penetrating slot according to the present invention;
fig. 9 is an exploded perspective view of the safety mechanism of the present invention.
In the figure: 1. a housing; 2. a cover door; 3. a rear seat; 4. a battery; 5. a control module; 6. a transmission module; 7. a joint; 8. a connection box; 9. a built-in circuit; 10. a clamping groove; 11. a security sheet; 12. a fixed sleeve; 13. a fixing seat; 14. a travel switch; 15. a slide block; 16. an electric push rod; 17. a circuit detector; 18. a partition plate; 19. a fixed rod; 20. a fixing groove; 21. a movable groove; 22. a fixing plate; 23. a first spring; 24. a pull rope; 25. a rotating member; 26. a rotating rod; 27. a moving groove; 28. a downward moving block; 29. a high-strength insulating plate; 30. a cutter; 31. cutting a base; 32. a second spring; 33. a connecting groove; 34. a connecting plate; 35. a groove is collected; 36. a locking piece; 37. a third spring; 38. a mounting groove; 39. a sliding groove; 40. penetrating a groove; 41. push-pull electromagnet; 42. a push plate; 43. a fourth spring; 44. pulling a plate; 45. a current-voltage detector; 46. a closing plate; 47. a leakage detector; 48. a warning light; 49. an alarm.
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.
Referring to fig. 1-9, an embodiment of the present invention is provided:
an on-line monitoring device of electrical equipment in a high-voltage environment and a method thereof are provided, the device comprises a shell 1, a maintenance mechanism and a safety mechanism, one end of the shell 1 is connected with a cover door 2 through a rotating shaft, one side of the shell 1 is fixedly connected with a rear seat 3, the inside of the rear seat 3 is provided with a battery 4, one end of the battery 4 is provided with a control module 5, one end of the control module 5 is provided with a transmission module 6, the diagonal line of the shell 1 is provided with a joint 7, two groups of connecting boxes 8 are arranged inside the shell 1, the inside of the connecting boxes 8 is provided with built-in circuits 9, two ends of the built-in circuits 9 and the connecting boxes 8 are respectively connected with the joint 7, one end of each built-in circuit 9 is provided with a clamping groove 10, one end of each built-in circuit 9 is provided with a safety piece 11, two ends of each safety piece 11 are respectively positioned inside the clamping groove 10, two ends of each safety piece 11 are respectively provided with a fixed sleeve 12, the inner walls of each fixed sleeve 12 are respectively attached to the built-in circuits 9 and the clamping grooves 10, the inner walls of the shell 1 are fixedly connected with a fixed sleeve 13, two ends of the fixed sleeve 13 are respectively fixedly connected with the inner ends of the inner side of the built-in circuits 9, the inner sleeves 13 are respectively provided with a sliding block 13, one end of each sliding block is respectively connected with the inner end 15 is fixedly connected with the sliding block 15, and the two ends of the sliding blocks are respectively connected with the fixed sleeve 15, respectively, and the fixed ends are respectively, and the fixed sleeve 15 are respectively, and are connected with the inner ends are respectively, and are connected;
referring to fig. 4 and 5, in the present embodiment, the maintenance mechanism includes a partition 18, a fixing rod 19, a fixing groove 20, a movable groove 21, a fixing plate 22, a first spring 23, a pull rope 24, a rotating member 25 and a rotating rod 26, one side of the housing 1 is provided with the partition 18, one side of the partition 18 is attached to the connection box 8, both ends of the partition 18 are fixedly connected with the fixing rod 19, two groups of fixing grooves 20 are symmetrically provided on the inner wall of the housing 1, the middle and both ends of the fixing rod 19 are provided with the movable groove 21, the inside of the two groups of movable grooves 21 is slidingly connected with the fixing plate 22, one end of the fixing plate 22 is fixedly connected with the first spring 23, one end of the first spring 23 is fixedly connected with the inner wall of the movable groove 21, one end of the fixing plate 22 is fixedly connected with the pull rope 24, and one end of the pull rope 24 extends to the inside of the middle movable groove 21 through the first spring 23 and the fixing rod 19, the inside of a group of movable grooves 21 is connected with a rotating piece 25 through a bearing, one end of the rotating piece 25 extends to the outside of a fixed rod 19, one end of the rotating piece 25 is symmetrically and fixedly connected with a rotating rod 26, one end of the rotating rod 26 is fixedly connected with one end of a pull rope 24, a user rotates the rotating piece 25, the rotating rod 26 drives the rotating rod 26 to perform circular motion in the inside of the movable groove 21, at the moment, the rotating rod 26 pulls the pull rope 24, the pull rope 24 pulls the fixed plate 22 to move in the inside of the movable groove 21, meanwhile, the fixed plate 22 compresses the first spring 23, when one end of the fixed plate 22 is no longer positioned in the inside of the fixed groove 20, the user can take down the partition 18 at the moment, when the user installs the partition 18, the user places the partition 18 in the casing 1, the circular arc surface at one end of the fixed plate 22 is abutted against the inner wall of the casing 1 and moves towards the inside of the movable groove 21, when the fixed plate 22 moves to the position of the fixed plate 20, at this time, the fixing plate 22 can be reset under the action of the first spring 23, so that the fixing work is completed, and the device is convenient for a user to maintain;
referring to fig. 2, 4, 6, 7, 8 and 9, in this embodiment, the safety mechanism includes a moving slot 27, a lower moving block 28, a high strength insulating plate 29, a cutter 30, a cutting seat 31, a second spring 32, a connecting slot 33, a connecting plate 34, a receiving slot 35, a locking block 36, a third spring 37, a mounting slot 38, a sliding slot 39, a through slot 40, a push-pull electromagnet 41, a push plate 42, a fourth spring 43, a pull plate 44 and a current voltage detector 45, one end of the connecting box 8 is provided with a moving slot 27, the inside of the moving slot 27 is slidably connected with the lower moving block 28, the bottom ends of the lower moving block 28 are fixedly connected with two groups of high strength insulating plates 29, the bottom ends of the high strength insulating plate 29 are fixedly connected with the cutter 30, the inner walls of the bottom ends of the connecting box 8 are all provided with the cutting seat 31, the top ends of the lower moving block 28 are uniformly fixedly connected with the second spring 32, the top ends of the second spring 32 are fixedly connected with the inner walls of the moving slot 27, the inner walls of the moving slot 27 are provided with the connecting slot 33, the inner walls of the connecting slot 33 are internally provided with the connecting plate 34, the inner ends of the connecting slot 33 are slidably connected with the inner ends of the sliding block 34, the inner ends of the connecting slot 35 are fixedly connected with the receiving slot 35, the inner ends of the connecting plate 35 are fixedly connected with the inner ends of the connecting plate 35 respectively, the receiving slot 35 is fixedly connected with the inner ends of the connecting plate 35, the inner ends of the connecting slot 35 is fixedly connected with the connecting plate 35, the inner receiving slot 35 is fixedly connected with the inner ends of the connecting slot 35 respectively, the inner receiving slot 35 is fixedly connected with the inner ends of the inner receiving slot 35, respectively one end of the inner ends of the connecting slot 35 is fixedly connected to the inner receiving slot 35 is fixedly connected to the inner ends of the connecting slot 35 and respectively, the output ends of the push-pull electromagnet 41 are fixedly connected with one end of the push plate 42, one end of the push plate 42 is fixedly connected with a fourth spring 43, one end of the fourth spring 43 is fixedly connected with one end of the sliding groove 39, one end of the downward moving block 28 is fixedly connected with a pulling plate 44, the pulling plate 44 extends to the outside of the connecting box 8, one end of the group of connectors 7 is provided with a current-voltage detector 45, when the current-voltage detector 45 detects that the voltage or the current suddenly rises, the control module 5 and the current-voltage detector 45 control the push-pull electromagnet 41 to work instantly, the output end of the push-pull electromagnet 41 drives the push plate 42 to move in the sliding groove 39 and the penetrating groove 40, the fourth spring 43 is compressed, at the moment, the arc surface, which is close to the middle part, of the push plate 42 is abutted against the inner wall of the through groove 40, so that the locking piece 36 can be instantly retracted into the interior of the receiving groove 35, the third spring 37 is compressed, at the moment, the locking piece 36 is not abutted against the connecting plate 34, the connecting plate 34 and the downward moving piece 28 rapidly move downwards under the action of the second spring 32, the high-strength insulating plate 29 can play an insulating role, the safety piece 11 can be instantly cut off through the cutter 30 at the bottom end of the high-strength insulating plate 29, the whole circuit is disconnected, the damage to the circuit and electrical equipment is avoided, the service life of the circuit and the safety of the electrical equipment are further prolonged, and the safety of the circuit and the electrical equipment are further improved;
referring to fig. 1 and 2, in the present embodiment, one side of the connection box 8 is connected with a closing plate 46 through a screw, the surfaces of one side of the housing 1 and one side of the connection box 8 are both provided with a leakage detector 47, one end of the connection box 8 is provided with a warning light 48, the top end of the housing 1 is provided with an alarm 49, the alarm 49 is electrically connected with the control module 5 through the leakage detector 47, the control end of the warning light 48 is electrically connected with the control module 5 through a travel switch 14 respectively, when a user changes the safety sheet 11, the user firstly observes whether the alarm 49 works, so as to judge whether the device is electrified, if the alarm 49 does not work, the user is in the replacement work at this time, and when the safety sheet 11 is cut off, the corresponding warning light 48 works, thereby facilitating the replacement work of the user, improving the use safety and facilitating the replacement;
it should be noted that, the control end of the transmission module 6 is electrically connected with the battery 4 through the control module 5, the control end of the electric push rod 16 is electrically connected with the control module 5 through the circuit detector 17, one end of the fixing plate 22 is respectively located inside the fixing groove 20, one end of the fixing plate 22 is arc-shaped, the partition 18 is convenient for users to install, the distance between the cutters 30 is respectively smaller than the length of the safety piece 11, the cutters 30 are respectively perpendicular to the safety piece 11, the safety piece 11 is convenient to cut off, the control end of the push-pull electromagnet 41 is electrically connected with the control module 5 through the current-voltage detector 45, one end of the locking piece 36 is arc-shaped, the downward moving piece 28 and the connecting plate 34 are convenient to reset, the position of the push-pull electromagnet 41 close to the middle is arc-shaped, the two ends of the push-pull electromagnet 41 are different in size, and the locking piece 36 is convenient to push;
the operation method of the device comprises the following steps:
step one: when the current-voltage detector 45 detects that the voltage or the current suddenly rises, the control module 5 and the current-voltage detector 45 control the push-pull electromagnet 41 to work instantaneously, at the moment, the lock block 36 can be retracted into the interior of the receiving groove 35 instantaneously through the push plate 42, at the moment, the connecting plate 34 and the downward moving block 28 move downwards rapidly under the action of the second spring 32, the high-strength insulating plate 29 can play an insulating role, and the safety piece 11 can be cut off instantaneously through the cutter 30, so that the whole circuit is disconnected;
step two: starting a standby circuit, when current or voltage stability is detected through a current-voltage detector 45, at the moment, the control module 5 and the circuit detector 17 control the electric push rod 16 to work, the other group of circuits are connected through the electric push rod 16, the sliding block 15 and the travel switch 14, at the moment, the standby circuit is started, meanwhile, the circuit is disconnected for the second time from one group of circuits of the switching circuit, and the generated data are transmitted in real time through the transmission module 6;
step three: when a user changes the safety sheet 11, firstly, judging whether the shell 1 is safe or not by observing the alarm 49, then, the user rotates the rotating piece 25 to pull the fixed plate 22 through the rotating rod 26 and the pull rope 24, then, the user takes down the partition 18, takes down the closing plate 46, pushes the pulling plate 44 upwards, so that the downward moving block 28, the cutter 30 and the connecting plate 34 are reset, and then, the user changes the damaged safety sheet 11;
step four: reset, when the user installs the baffle 18, the user places the baffle 18 inside the casing 1, and the arc surface of fixed plate 22 one end is contradicted with the inner wall of casing 1 and is moved to the inside of movable groove 21, when fixed plate 22 moves to the position of fixed groove 20, can make fixed plate 22 reset this moment under the effect of first spring 23 to accomplish fixed work, and control electric putter 16 resumes main circuit power supply when idle.
Working principle: when a user uses the device, current and voltage are transmitted through a group of built-in circuits 9 and the safety sheet 11, when the current and voltage detector 45 detects that the voltage or the current suddenly rises, the control module 5 and the current and voltage detector 45 control the push-pull electromagnet 41 to instantaneously work, the output end of the push-pull electromagnet 41 drives the push plate 42 to move in the sliding groove 39 and the through groove 40, the fourth spring 43 is compressed, at the moment, the circular arc surface close to the middle of the push plate 42 is abutted against the inner wall of the through groove 40, so that the locking piece 36 can be instantaneously retracted into the interior of the collecting groove 35, the third spring 37 is compressed, at the moment, the locking piece 36 does not abut against the connecting plate 34, the connecting plate 34 and the downward moving piece 28 rapidly move downwards under the action of the second spring 32, the high-strength insulating plate 29 can play an insulating role, the cutter 30 at the bottom end of the high-strength insulating plate 29 can instantly cut off the safety sheet 11, so that the whole circuit is disconnected, the damage to the circuit and the electrical equipment is avoided, the service life of the circuit is further prolonged, meanwhile, the control module 5 controls a group of indicator lamps 48 to work, the user can conveniently replace the cut-off safety sheet 11 later, when the current or voltage is detected to be stable through the current and voltage detector 45, the control module 5 and the circuit detector 17 control the electric push rod 16 to work, the output end of the electric push rod 16 drives the slide block 15 to move in the fixing seat 13, the slide block 15 is used for abutting against one group of travel switches 14, so that the other group of circuits is connected, the standby circuit is started at the moment, the other group of travel switches 14 are reset, and therefore, one group of circuits for cutting off the circuits is disconnected secondarily, so that the safety sheet 11 is replaced later, the normal use of the circuits and the electrical equipment is ensured, the generated data is sent in real time through the transmission module 6 so as to remind the user that the circuit is replaced and the safety sheet 11 is replaced in time, when the user replaces the safety sheet 11, the user firstly observes whether the alarm 49 works so as to judge whether the device is electrified, if the alarm 49 does not work, the user opens the door 2, then the user rotates the rotating piece 25, the rotating piece 25 drives the rotating rod 26 to perform circular motion in the movable groove 21, at this time, the rotating rod 26 pulls the pull rope 24, the pull rope 24 pulls the fixed plate 22 to move in the movable groove 21, meanwhile, the fixed plate 22 compresses the first spring 23, when one end of the fixed plate 22 is no longer positioned in the fixed groove 20, the user can take off the partition plate 18 at this time, then the user takes off the closing plate 46 on the working side of the prompting lamp 48, and pushes the pull plate 44 upwards, the pull plate 44 drives the lower moving block 28, the connecting plate 34 and the cutter 30 to move upwards, meanwhile, the lower moving block 28 compresses the second spring 32, when the top end of the connecting plate 34 is in contact with the circular arc surface of the locking block 36, the locking block 36 moves towards the inside of the collecting groove 35, and compresses the third spring 37, when one end of the connecting plate 34 moves to the position of the locking block 36, the locking block 36 is reset under the action of the third spring 37, so as to lock the connecting plate 34, at the moment, the lower moving block 28, the cutter 30 and the connecting plate 34 are reset, then a user moves the fixing sleeve 12 towards two sides, the damaged safety piece 11 is removed and replaced, the replaced safety piece 11 can be recycled, the safety sleeve is quite environment-friendly and economical, when the safety sleeve is idle, the user controls the electric push rod 16 to work, controls the main circuit to be connected through the sliding block 15 and the travel switch 14, and resumes the power supply of the main circuit, so that the use safety is ensured, the device can protect the whole circuit and the electric equipment in real time, avoid damage or loss of the circuit and the electric equipment caused by sudden rise of current or voltage, further improve the service life of the device, avoid fire disaster, further cause larger loss, ensure normal access of the device after the circuit is stable, not influence normal use of the electric equipment, send information and state detected by the device in real time, ensure that a user knows the condition of the device in time, and facilitate maintenance of the device by the user.
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.
Claims (9)
1. The utility model provides an electrical equipment on-line monitoring device under high pressure environment, its characterized in that, including casing (1), maintenance mechanism and safety mechanism, the one end of casing (1) is connected with lid (2) through the pivot, one side fixedly connected with back seat (3) of casing (1), the inside of back seat (3) is provided with battery (4), the one end of battery (4) is provided with control module (5), the one end of control module (5) is provided with transmission module (6), the diagonal of casing (1) is provided with joint (7), the inside of casing (1) is provided with two sets of junction box (8), the inside of junction box (8) all is provided with built-in circuit (9), and the both ends of built-in circuit (9) and junction box (8) all are connected with joint (7) respectively, the one end of built-in circuit (9) all is provided with draw-in groove (10), the one end of built-in circuit (9) all is provided with safety piece (11), and the both ends of safety piece (11) are located the inside of draw-in groove (10) respectively, the both ends of safety piece (11) all are provided with the inner wall (12) and are all fixed with fixing base (13) and are all fixed with inside (12) of circuit (8), and both ends of fixing base (13) all are in the middle part fixed connection of built-in circuit (9) respectively, the inside sliding connection of fixing base (13) has slider (15), the inner wall of fixing base (13) one end is provided with electric putter (16), and the output and the slider (15) fixed connection of electric putter (16), the middle part of built-in circuit (9) all is provided with fixed cover (12), and the one end that is close to each other of fixed cover (12) all laminates in the both ends of slider (15) respectively mutually, and the one end of a set of joint (7) is provided with circuit detector (17).
2. The on-line monitoring device for electrical equipment in a high-voltage environment according to claim 1, wherein: the control end of the transmission module (6) is electrically connected with the battery (4) through the control module (5), and the control end of the electric push rod (16) is electrically connected with the control module (5) through the circuit detector (17).
3. The on-line monitoring device for electrical equipment in a high-voltage environment according to claim 1, wherein: the maintenance mechanism comprises a partition plate (18), a fixed rod (19), a fixed groove (20), a movable groove (21), a fixed plate (22), a first spring (23), a pull rope (24), a rotating member (25) and a rotating rod (26), wherein one side of the shell (1) is provided with the partition plate (18), one side of the partition plate (18) is attached to the connecting box (8), two ends of the partition plate (18) are fixedly connected with the fixed rod (19), two groups of fixed grooves (20) are symmetrically formed in the inner wall of the shell (1), the middle part and the two ends of the fixed rod (19) are respectively provided with the movable groove (21), the two groups of movable grooves (21) are both connected with the fixed plate (22) in a sliding manner, one end of the fixed plate (22) is fixedly connected with the first spring (23), one end of the first spring (23) is fixedly connected with the inner wall of the movable groove (21), one end of the fixed plate (22) is fixedly connected with the pull rope (24), one end of the pull rope (24) respectively penetrates through the first spring (23) and the inner part (19) to the inner part (25) of the movable groove (21) and extends to the outer part (25) of the movable groove (21), one end of the rotating piece (25) is symmetrically and fixedly connected with a rotating rod (26), and one end of the rotating rod (26) is fixedly connected with one end of the pull rope (24) respectively.
4. An on-line monitoring device for electrical equipment in a high pressure environment according to claim 3, wherein: one ends of the fixing plates (22) are respectively positioned in the fixing grooves (20), and one ends of the fixing plates (22) are arc-shaped.
5. The on-line monitoring device for electrical equipment in a high-voltage environment according to claim 4, wherein: the safety mechanism comprises a moving groove (27), a downward moving block (28), a high-strength insulating plate (29), a cutter (30), a cutting seat (31), a second spring (32), a connecting groove (33), a connecting plate (34), a collecting groove (35), a locking block (36), a third spring (37), a mounting groove (38), a sliding groove (39), a penetrating groove (40), a push-pull electromagnet (41), a push plate (42), a fourth spring (43), a pulling plate (44) and a current voltage detector (45), wherein one end of the connecting box (8) is provided with the moving groove (27), the inside of the moving groove (27) is connected with the downward moving block (28) in a sliding manner, the bottom ends of the downward moving block (28) are fixedly connected with two groups of high-strength insulating plates (29), the bottom ends of the high-strength insulating plate (29) are fixedly connected with the cutter (30), the inner walls of the bottom ends of the connecting box (8) are provided with the cutting seat (31), the top ends of the downward moving block (28) are uniformly and fixedly connected with the second spring (32), the top ends of the second spring (32) are respectively connected with the inner walls of the moving groove (27), the inner walls of the moving groove (27) are fixedly connected with the connecting plate (33), the bottom end of the connecting plate (34) is fixedly connected with the downward moving block (28), the collecting groove (35) is formed at one end of the connecting groove (33), the lock block (36) is slidably connected in the collecting groove (35), one end of the lock block (36) is respectively located in the connecting plate (34), the third spring (37) is fixedly connected at one end of the lock block (36), one end of the third spring (37) is respectively fixedly connected with the inner wall of the collecting groove (35), the penetrating groove (40) is formed at one end of the lock block (36), the sliding groove (39) is formed at one end of the collecting groove (35), the mounting groove (38) is formed at one end of the sliding groove (39), the push plate (42) is slidably connected in the mounting groove (39), one end of the push plate (42) is respectively penetrated through the penetrating groove (40), the push-pull electromagnet (41) is fixedly connected at one end of the mounting groove (38), the output end of the push-pull electromagnet (41) is respectively fixedly connected with the inner wall of the collecting groove (35), the spring (43) is fixedly connected with the fourth end of the push plate (42), the spring (43) is fixedly connected with the fourth end of the fourth end (43), and the pull plates (44) respectively extend to the outside of the connecting box (8), and one end of one group of the connectors (7) is provided with a current-voltage detector (45).
6. The on-line monitoring device for electrical equipment in a high-voltage environment according to claim 5, wherein: the distance between the cutters (30) is respectively smaller than the length of the safety piece (11), and the cutters (30) are respectively perpendicular to the safety piece (11).
7. The on-line monitoring device for electrical equipment in a high-voltage environment according to claim 5, wherein: the control ends of the push-pull electromagnet (41) are electrically connected with the control module (5) through the current and voltage detector (45), one ends of the locking blocks (36) are arc-shaped, the position, close to the middle part, of the push-pull electromagnet (41) is arc-shaped, and the sizes of the two ends of the push-pull electromagnet (41) are different.
8. The on-line monitoring device for electrical equipment in a high-voltage environment according to claim 7, wherein: one side of the connecting box (8) is connected with a closing plate (46) through a screw, the surfaces of one side of the shell (1) and one side of the connecting box (8) are provided with an electric leakage detector (47), one end of the connecting box (8) is provided with a prompting lamp (48), the top end of the shell (1) is provided with an alarm (49), the alarm (49) is electrically connected with the control module (5) through the electric leakage detector (47), and the control ends of the prompting lamp (48) are electrically connected with the control module (5) through a travel switch (14) respectively.
9. A method of operating an on-line monitoring device for electrical equipment in a high pressure environment as claimed in claim 8, characterized by:
step one: when the current and voltage detector (45) detects that the voltage or the current suddenly rises, the control module (5) and the current and voltage detector (45) control the push-pull electromagnet (41) to work instantly, at the moment, the locking piece (36) can be instantly retracted into the receiving groove (35) through the push plate (42), at the moment, the connecting plate (34) and the downward moving piece (28) rapidly move downwards under the action of the second spring (32), the insulation effect can be achieved through the high-strength insulating plate (29), the safety piece (11) can be instantly cut off through the cutter (30), and therefore the whole circuit is disconnected;
step two: starting a standby circuit, when current or voltage stability is detected through a current-voltage detector (45), controlling an electric push rod (16) to work through a control module (5) and a circuit detector (17), switching on another group of circuits through the electric push rod (16), a sliding block (15) and a travel switch (14), starting the standby circuit, simultaneously switching off a circuit for the second time on one group of circuits of the switching circuit, and transmitting generated data in real time through a transmission module (6);
step three: when a user changes the safety sheet (11), firstly, judging whether the shell (1) is safe or not by observing the alarm (49), then, rotating the rotating piece (25) by the user, pulling the fixed plate (22) through the rotating rod (26) and the pull rope (24), then, taking down the partition plate (18) by the user, taking down the closing plate (46) by the user, pushing the pull plate (44) upwards, resetting the downward moving block (28), the cutter (30) and the connecting plate (34), and then, changing the damaged safety sheet (11) by the user;
step four: when the user installs baffle (18), inside the casing (1) is placed with baffle (18) to the user, the arc surface of fixed plate (22) one end is contradicted with the inner wall of casing (1) back to the inside removal of activity groove (21), when fixed plate (22) remove the position in fixed slot (20), can make fixed plate (22) reset under the effect of first spring (23) this moment to accomplish fixed work, and control electric putter (16) resumes main circuit power supply when idle.
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| CN202310665855.5A CN116683397B (en) | 2023-06-07 | 2023-06-07 | On-line monitoring device and method for electrical equipment in high-voltage environment |
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| CN202310665855.5A CN116683397B (en) | 2023-06-07 | 2023-06-07 | On-line monitoring device and method for electrical equipment in high-voltage environment |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0475227A (en) * | 1990-11-30 | 1992-03-10 | Terasaki Denki Sangyo Kk | Circuit breaker |
| CN108957071A (en) * | 2018-06-14 | 2018-12-07 | 河南许智电力科技有限公司 | A kind of containing box for low-voltage electric energy metering table |
| CN111668982A (en) * | 2020-06-30 | 2020-09-15 | 江苏慧马动力科技有限公司 | Install in intelligent data acquisition device of motor body |
| CN212162557U (en) * | 2020-05-27 | 2020-12-15 | 苏州八度阳光智能科技有限公司 | Block terminal that integral power equipment used convenient to remove |
| CN212485909U (en) * | 2020-08-10 | 2021-02-05 | 刘哲 | Ammeter case convenient to maintenance |
| CN212933738U (en) * | 2020-08-20 | 2021-04-09 | 吴嘉琳 | Electric power engineering is with detecting alarm convenient to it is fixed |
| CN214953800U (en) * | 2021-07-22 | 2021-11-30 | 山东凌岳智能电气有限公司 | Grounding resistance tester convenient to dismantle |
| WO2022077667A1 (en) * | 2020-10-15 | 2022-04-21 | 苏州莱锦机电自动化有限公司 | Electromechanical monitoring device |
| CN216752411U (en) * | 2022-01-13 | 2022-06-14 | 江苏铍迪埃坶节能科技有限公司 | Motor vibration detection equipment |
| CN115267281A (en) * | 2022-07-01 | 2022-11-01 | 国网山西省电力公司吕梁供电公司 | Dual measurement detection device suitable for electric power marketing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100477056C (en) * | 2006-04-03 | 2009-04-08 | 温州三蒙科技电气有限公司 | Multiple protective circuit breaker device with indicating lamp and automatic monitor |
| US10498166B2 (en) * | 2017-11-29 | 2019-12-03 | Mark Matyac | Method and apparatus for switching a load between two power sources |
-
2023
- 2023-06-07 CN CN202310665855.5A patent/CN116683397B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0475227A (en) * | 1990-11-30 | 1992-03-10 | Terasaki Denki Sangyo Kk | Circuit breaker |
| CN108957071A (en) * | 2018-06-14 | 2018-12-07 | 河南许智电力科技有限公司 | A kind of containing box for low-voltage electric energy metering table |
| CN212162557U (en) * | 2020-05-27 | 2020-12-15 | 苏州八度阳光智能科技有限公司 | Block terminal that integral power equipment used convenient to remove |
| CN111668982A (en) * | 2020-06-30 | 2020-09-15 | 江苏慧马动力科技有限公司 | Install in intelligent data acquisition device of motor body |
| CN212485909U (en) * | 2020-08-10 | 2021-02-05 | 刘哲 | Ammeter case convenient to maintenance |
| CN212933738U (en) * | 2020-08-20 | 2021-04-09 | 吴嘉琳 | Electric power engineering is with detecting alarm convenient to it is fixed |
| WO2022077667A1 (en) * | 2020-10-15 | 2022-04-21 | 苏州莱锦机电自动化有限公司 | Electromechanical monitoring device |
| CN214953800U (en) * | 2021-07-22 | 2021-11-30 | 山东凌岳智能电气有限公司 | Grounding resistance tester convenient to dismantle |
| CN216752411U (en) * | 2022-01-13 | 2022-06-14 | 江苏铍迪埃坶节能科技有限公司 | Motor vibration detection equipment |
| CN115267281A (en) * | 2022-07-01 | 2022-11-01 | 国网山西省电力公司吕梁供电公司 | Dual measurement detection device suitable for electric power marketing |
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| CN116683397A (en) | 2023-09-01 |
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