CN114464474B - Intelligent monitoring device and method for separation and combination degree of moving contact and static contact of isolating switch - Google Patents
Intelligent monitoring device and method for separation and combination degree of moving contact and static contact of isolating switch Download PDFInfo
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- CN114464474B CN114464474B CN202210252459.5A CN202210252459A CN114464474B CN 114464474 B CN114464474 B CN 114464474B CN 202210252459 A CN202210252459 A CN 202210252459A CN 114464474 B CN114464474 B CN 114464474B
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- moving contact
- sliding plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
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- 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
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H2001/508—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position with mechanical means to prevent return/reverse movement of movable contact once opening or closing cycle has started
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention provides intelligent monitoring equipment and method for the separation and reunion degree of moving and static contacts of an isolating switch, relates to the technical field of monitoring of high-voltage electric appliances, and solves the technical problem that the separation and reunion degree of a static contact and a moving contact cannot be monitored because a static contact and a moving contact separation and reunion degree monitoring component are not designed in the conventional high-voltage isolating switch, and the technical scheme is as follows: the intelligent monitoring device comprises a base, a fixed contact, a movable contact and a manual structure, wherein the manual structure is connected with the movable contact; the monitoring method comprises the following steps: the method comprises the following steps: the external driving structure drives the manual structure; the overheating unlocking component realizes the locking of a manual structure; step two: the moving contact pushes the intelligent deciliter degree monitoring assembly to monitor the deciliter degree of the static contact and the moving contact when rotating. The invention has the beneficial effects that: the intelligent deciliter degree monitoring assembly monitors the deciliter degree of the static contact and the moving contact, and is favorable for mastering the deciliter degree of the static contact and the moving contact.
Description
Technical Field
The invention relates to the technical field of monitoring of high-voltage electric appliances, in particular to intelligent monitoring equipment and method for the deciliter degree of a moving contact and a static contact of an isolating switch.
Background
The high-voltage isolating switch is a common electric appliance which plays an isolating role in a circuit, and the high-voltage isolating switch is one of isolating switches. The existing high-voltage isolating switch generally comprises a movable end insulating support and a static end insulating support which are fixedly connected to a base, wherein a movable contact and a static contact are fixedly connected to the movable end insulating support and the static end insulating support respectively, a group of isolating contact pieces which are arranged at intervals are rotatably installed at the static contact end through corresponding installation seats, and two ends of the isolating contact pieces which are arranged at intervals are detachably clamped to the static contact and the movable contact respectively.
The static contact and the moving contact of the high-voltage isolating switch can be electrified after being combined, but the static contact and the moving contact are not monitored by the conventional static contact and moving contact deciliter degree monitoring component, so that the static contact and the moving contact deciliter degree can not be mastered easily.
Based on the technical problem, the invention provides intelligent monitoring equipment and method for the separation and combination degree of the moving contact and the static contact of the isolating switch, and aims to solve the technical problem.
Disclosure of Invention
In order to solve the technical problems that the contact degree of a static contact and the contact degree of a moving contact of the existing high-voltage isolating switch cannot be monitored because a static contact and a moving contact degree monitoring component are not designed, and the contact degree of the static contact and the moving contact degree is not easy to master, the invention provides intelligent monitoring equipment and method for the contact degree of the static contact and the moving contact of the isolating switch.
The invention provides intelligent monitoring equipment for the degree of separation and reunion of a moving contact and a static contact of an isolating switch, which comprises a base, a static contact, a moving contact and a manual structure, wherein the base is provided with the static contact through a fixed insulator, the base rotates through the fixed insulator to form the moving contact, the moving contact is spliced with the static contact, the manual structure is rotatably connected with the moving contact, the top of the base is connected with an intelligent degree of separation and reunion monitoring assembly, the intelligent degree of separation and reunion monitoring assembly is connected with an anti-drop assembly, the intelligent degree of separation and reunion monitoring assembly is also connected with an overheating unlocking assembly, and the overheating unlocking assembly is connected with the manual structure.
Furthermore, the manual structure includes transmission shaft, spacing slider, guide rail, cross slot, catch bar and rotor plate, the base inner wall passes through the bearing and is connected with the transmission shaft rotation, transmission shaft one end is fixed with the rotor plate, the cross slot has been seted up to the rotor plate, the cross slot laminating slides in has the catch bar, the catch bar inner end is fixed with spacing slider, spacing slider and the spacing sliding fit of guide rail, the guide rail is located on the base lateral wall, the transmission shaft passes through the insulator and is connected with the moving contact rotation.
Furthermore, the intelligent contact ratio monitoring assembly comprises a supporting seat, an installation box, a control box, a second spring, a monitoring round rod, a U-shaped plate, a second sliding plate, a fixed electromagnetic ring, an intermediate plate, a controller and a wireless transmitter;
the supporting seat is provided with a plurality of supporting seats, the supporting seats are equidistantly mounted on the top of the base, the top of each supporting seat is connected with an installation box, the bottom of the installation box is provided with an intermediate plate, the bottom of the intermediate plate is connected with a second spring, the bottom of the second spring is connected with a second sliding plate, the bottom of the second sliding plate is highly provided with a movable electromagnetic coil, the fixed electromagnetic coil and the movable electromagnetic coil which are arranged at the bottom in the installation box are matched for use, the bottom of the second sliding plate is connected with a U-shaped plate, the top of the outer end of the U-shaped plate is provided with a monitoring round bar, the top of the monitoring round bar is in sliding fit with the bottom of a moving contact, one group of the monitoring round bar and the moving contact are arranged on the side wall of the installation box, a controller and a wireless transmitter are respectively mounted in the control box, the wireless transmitter is connected with the control end of a controller in the external control box through a wireless signal, the electric control output end of the wireless transmitter is electrically connected with the electric control input end of the controller, and the electric control output end of the controller is respectively electrically connected with the electric control input end of the electromagnetic coil and the movable electromagnetic coil.
Furthermore, the bottom of the installation box is attached to and slides on the vertical part of the U-shaped plate through a sealing sleeve.
Further, the anticreep subassembly includes triangle guide block, first sideslip board, first electro-magnet, first spring and first slide, first electro-magnet and first spring fixed mounting are in the installation box inside wall upper end, the automatically controlled input of first electro-magnet is connected with the automatically controlled output electricity of controller, first spring end fixing has the first slide with installation box inner wall laminating sliding connection, first slide lateral wall has first sideslip board, first sideslip board outer end is connected with the triangle guide block.
Further, the installation box side wall slides with the laminating of first sideslip board through the seal cover.
Furthermore, the bottom of the triangular guide block is in contact with the top of the movable contact in a fitting manner after the fixed contact and the movable contact are clamped.
The overheating unlocking assembly comprises a fourth spring, a connecting plate, a transverse plate, a temperature sensor, a second cross sliding plate, a groove, a triangular limiting block, a third sliding plate, a third spring, a second electromagnet and an installation sleeve, the temperature sensor is arranged on the side wall of the monitoring round rod, the sensing end of the temperature sensor is arranged towards a fixed contact, the installation sleeve is installed on the inner wall of the base, the third spring and the second electromagnet are arranged at the inner end in the installation sleeve, the electric control input end of the temperature sensor and the second electromagnet is electrically connected with the electric control output end of the controller, the outer end of the third spring is fixedly provided with the third sliding plate which is attached to the inner wall of the installation sleeve in a sliding mode, the side wall of the third sliding plate is fixedly provided with the second cross sliding plate, the outer end of the second cross sliding plate is fixedly provided with the triangular limiting block, the outer side of the base is provided with the groove which is attached to the triangular limiting block in a sliding mode, the limiting block is provided with the triangular limiting groove which is matched with the triangular limiting block at the position close to the side wall of the base, the transverse plate is installed on the outer side wall of the base, the transverse plate, the top of the fourth spring is fixedly provided with the connecting plate, and the top of the connecting plate.
Furthermore, the connecting plate is installed on the other end of the transmission shaft, and the triangular limiting groove and the triangular limiting block are connected in an inserting mode so that the fourth spring is in a compression state.
In order to better realize the aim of the invention, the invention also provides a monitoring method of the intelligent monitoring equipment for the separation and combination degree of the moving contact and the static contact of the isolating switch, which comprises the following steps:
the method comprises the following steps: the external driving structure drives a pushing rod of the manual structure to move, the pushing rod drives a rotating plate to rotate through a transverse groove, the rotating plate drives a transmission shaft to rotate, the transmission shaft drives a moving contact to rotate through an insulator and is clamped with a fixed contact, meanwhile, the pushing rod drives a fourth spring to move at a guide rail, a limiting slider pushes a triangular limiting block of the overheating unlocking assembly to move into a groove, a third spring pushes a third sliding plate to move when the triangular limiting groove moves to the groove, the third sliding plate drives a second transverse sliding plate to move, the second transverse sliding plate drives a triangular limiting block to move into a triangular limiting groove, the triangular limiting groove and the triangular limiting block are matched to realize locking of the limiting slider, and locking of the manual structure is realized;
step two: when the moving contact rotates, a monitoring round rod of the intelligent deciliter degree monitoring assembly is pushed to move downwards, the monitoring round rod drives a U-shaped plate to move downwards, the U-shaped plate drives a second sliding plate to move downwards, the second sliding plate drives a movable electromagnetic coil to move downwards, after the movable electromagnetic coil moves downwards, the fixed electromagnetic coil generates induction current for the movable electromagnetic coil, the controller calculates the magnitude of the induction current, the magnitude of the induction current indicates that a fixed contact and the moving contact are combined, the magnitude of the induction current indicates that the fixed contact and the moving contact are separated, and the controller calculates the magnitude of the induction current to monitor the deciliter degree of the fixed contact and the moving contact;
step three: when the moving contact rotates, a triangular guide block of the anti-drop assembly is pushed to push, the triangular guide block drives a first cross sliding plate to move towards the installation box, after the moving contact and the static contact are clamped, a first spring pushes the first spring to move, the first spring pushes the first sliding plate to move, the first cross sliding plate pushes the first cross sliding plate to move, the first cross sliding plate drives the triangular guide block to move to the position above the moving contact, and the triangular guide block realizes limiting of the moving contact and anti-drop treatment of the static contact and the moving contact;
step four: the temperature sensor of the overheating unlocking component monitors the temperature of the clamping position of the static contact and the moving contact after the clamping and the power-on of the static contact and the moving contact, when the monitored temperature of the temperature sensor is higher than 40 ℃, the controller energizes the first electromagnet and the second electromagnet, the first electromagnet generates magnetic attraction to move the movable electromagnetic ring after the first electromagnet is energized, the first sliding plate drives the triangular guide block to be separated from the moving contact, the second electromagnet generates magnetic attraction to move the third sliding plate after the second electromagnet is energized, the third sliding plate drives the second cross sliding plate to move, the second cross sliding plate drives the triangular limiting block to be separated from the triangular limiting groove, then the restoring force of the fourth spring pushes the connecting plate to rotate, the connecting plate drives the transmission shaft to rotate, the transmission shaft drives the moving contact to rotate through the insulator, the moving contact is separated from the static contact, and the power-off protection of the moving contact and the static contact is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. the intelligent deciliter degree monitoring assembly monitors the deciliter degree of the static contact and the moving contact, and is favorable for mastering the deciliter degree of the static contact and the moving contact.
2. The anti-dropping component limits the moving contact, realizes the anti-dropping treatment of the static contact and the moving contact, avoids the separation of the static contact and the moving contact, is beneficial to the stable clamping connection of the static contact and the moving contact, and is beneficial to the conductive treatment of the static contact and the moving contact.
3. The overheating unlocking assembly is convenient for limiting and locking the manual structure, meanwhile, the temperature of the clamping joint of the fixed contact and the movable contact is convenient to monitor, the movable contact is separated from the fixed contact when the temperature monitored by the temperature sensor is higher than the temperature, power-off protection of the movable contact and the fixed contact is realized, and damage to the isolating switch caused by overheating is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a first perspective view of the present invention.
Fig. 2 is a structural front view of the present invention.
Fig. 3 is a left side view of the structure of the present invention.
Fig. 4 is a perspective view of the structure of the present invention.
Fig. 5 is a perspective view of the structure of the present invention.
Fig. 6 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A of fig. 2 according to the present invention.
Fig. 7 is a sectional view of the present invention taken along the line B-B of fig. 2.
Fig. 8 is a sectional view taken along the direction C-C of fig. 3 according to the present invention.
Fig. 9 is a partially enlarged view of the region I in fig. 8.
Wherein the reference numerals are:
1. a base; 2. a supporting seat; 3. static contact; 4. installing a box; 5. a moving contact; 6. a control box; 7. a drive shaft; 8. a limiting slide block; 9. a fourth spring; 10. a triangular guide block; 11. a first cross slide; 12. a second spring; 13. a guide rail; 14. a transverse groove; 15. a push rod; 16. a rotating plate; 17. a connecting plate; 18. a transverse plate; 19. monitoring the round bar; 20. a temperature sensor; 21. a U-shaped plate; 22. a second slide plate; 23. a second cross slide; 24. a groove; 25. a triangular limiting groove; 26. a triangular limiting block; 27. a third slide plate; 28. a third spring; 29. a second electromagnet; 30. installing a sleeve; 31. fixing the electromagnetic ring; 32. a middle plate; 33. a first electromagnet; 34. a first spring; 35. a first slide plate; 36. a movable electromagnetic coil; 37. a controller; 38. a wireless transmitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments are further detailed. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
Example 1
Referring to fig. 1 to 9, an intelligent monitoring device for the separation and reunion degree of a moving contact and a static contact of an isolating switch comprises a base 1, a static contact 3, a moving contact 5 and a manual structure, wherein the base 1 is provided with the static contact 3 through a fixed insulator, the base 1 is provided with the moving contact 5 through the fixed insulator in a rotating manner, the moving contact 5 is spliced with the static contact 3, the manual structure comprises a transmission shaft 7, a limiting slider 8, a guide rail 13, a transverse groove 14, a push rod 15 and a rotating plate 16, the inner wall of the base 1 is rotatably connected with the transmission shaft 7 through a bearing, one end of the transmission shaft 7 is fixed with the rotating plate 16, the rotating plate 16 is provided with the transverse groove 14, the push rod 15 is slidably fitted in the transverse groove 14, the limiting slider 8 is fixed at the inner end of the push rod 15, the limiting slider 8 is in limiting sliding fit with the guide rail 13, the guide rail 13 is arranged on the side wall of the base 1, and the transmission shaft 7 is rotatably connected with the moving contact 5 through the insulator.
The top of the base 1 is connected with an integration and integration degree intelligent monitoring assembly, and the integration and integration degree intelligent monitoring assembly comprises a supporting seat 2, an installation box 4, a control box 6, a second spring 12, a monitoring round rod 19, a U-shaped plate 21, a second sliding plate 22, a fixed electromagnetic ring 31, an intermediate plate 32, a controller 37 and a wireless transmitter 38.
The supporting seat 2 is provided with a plurality of supporting seats, the supporting seats are equidistantly installed at the top of the base 1, the top of the supporting seat 2 is connected with an installation box 4, the bottom of the installation box 4 is provided with an intermediate plate 32, the bottom of the intermediate plate 32 is connected with a second spring 12, the bottom of the second spring 12 is connected with a second sliding plate 22, the bottom of the second sliding plate 22 is highly provided with a movable electromagnetic ring 36, a fixed electromagnetic ring 31 and the movable electromagnetic ring 36 which are positioned at the bottom in the installation box 4 are matched for use, the bottom of the second sliding plate 22 is connected with a U-shaped plate 21, the top of the outer end of the U-shaped plate 21 is provided with a monitoring round rod 19, the top of the monitoring round rod 19 is in sliding fit with the bottom of the movable contact 5, the side wall of one group of installation boxes 4 is provided with a control box 6, a controller 37 and a wireless transmitter 38 are respectively installed in the control box 6, the wireless transmitter 38 is connected with the control end of a controller 37 in the control box 6 through a wireless signal, the electronic control output end of the wireless transmitter 38 is electrically connected with the electronic control input end of the controller 37, the controller 37 is electrically connected with the electronic control input end of the fixed electromagnetic ring 31 and the movable electromagnetic ring 36, the electronic control end of the installation box 4 is electrically connected with the sliding plate of the U-shaped plate 21 through a sealing sleeve.
The intelligent deciliter degree monitoring assembly monitors the deciliter degree of the static contact 3 and the moving contact 5, and is favorable for mastering the deciliter degree of the static contact 3 and the moving contact 5.
The intelligent deciliter degree monitoring assembly is connected with an anti-falling assembly and comprises a triangular guide block 10, a first cross sliding plate 11, a first electromagnet 33, a first spring 34 and a first sliding plate 35, the first electromagnet 33 and the first spring 34 are fixedly installed at the upper end of the inner side wall of an installation box 4, the electric control input end of the first electromagnet 33 is electrically connected with the electric control output end of a controller 37, the end part of the first spring 34 is fixedly provided with the first sliding plate 35 which is in fit sliding connection with the inner wall of the installation box 4, the side wall of the first sliding plate 35 is provided with the first cross sliding plate 11, the outer end of the first cross sliding plate 11 is connected with the triangular guide block 10, the side wall of the installation box 4 is in fit sliding connection with the first cross sliding plate 11 through a sealing sleeve, and the bottom of the triangular guide block 10 is in fit contact with the top of a movable contact 5 after a static contact 3 and the movable contact 5 are clamped;
the anti-disengaging subassembly carries on spacingly to moving contact 5, realizes that static contact 3 and moving contact 5 anticreep are handled, avoids static contact 3 and moving contact 5 separation, does benefit to static contact 3 and the stable joint of moving contact 5, does benefit to static contact 3 and the electrically conductive department of moving contact 5.
The intelligent deciliter degree monitoring assembly is further connected with an overheating unlocking assembly, and the overheating unlocking assembly is connected with a manual structure.
Example 2
On the basis of embodiment 1, as shown in fig. 2, 5, 6, and 7, the overheating unlocking component includes a fourth spring 9, a connecting plate 17, a transverse plate 18, a temperature sensor 20, a second transverse sliding plate 23, a groove 24, a triangular limiting groove 25, a triangular limiting block 26, a third sliding plate 27, a third spring 28, a second electromagnet 29, and a mounting sleeve 30, the temperature sensor 20 is disposed on a side wall of the monitoring round rod 19, a sensing end of the temperature sensor 20 is disposed toward the stationary contact 3, the mounting sleeve 30 is mounted on an inner wall of the base 1, the inner end inside the mounting sleeve 30 is provided with the third spring 28 and the second electromagnet 29, an electric control input end of the temperature sensor 20 and the second electromagnet 29 is electrically connected with an electric control output end of a controller 37, an outer end of the third spring 28 is fixed with the third sliding plate 27 which is attached to an inner wall of the mounting sleeve 30 to slide, the side wall of the third sliding plate 27 is fixed with the second transverse sliding plate 23, an outer end of the second transverse sliding plate 23 is fixed with the triangular limiting block 26, an outer end of the base 1 is provided with the groove 24 which is attached to the triangular limiting block 26 to slide plate, a position close to the side wall of the base 1 is provided with the triangular limiting block 25, the triangular limiting block 25 which is used in cooperation with the triangular limiting block 26, the triangular limiting groove 25 is mounted on the outer side wall of the base 18, the base 17, the connecting plate 9, the connecting plate 17 is fixed to the fourth transverse plate 17, the connecting plate is made of the spring 17, and the connecting plate 17.
The overheated unblock subassembly is convenient to the spacing lock of manual structure, simultaneously, conveniently monitors the temperature of static contact 3 and 5 joint departments of moving contact, and moving contact 5 separates with static contact 3 when temperature-sensing ware 20 monitoring temperature is higher than 40 ℃, realizes moving contact 5 and 3 power-off protection of static contact, avoids overheated isolator to cause to damage.
In actual use: firstly, an external driving structure drives a pushing rod 15 of a manual structure to move, the pushing rod 15 drives a rotating plate 16 to rotate through a transverse groove 14, the rotating plate 16 drives a transmission shaft 7 to rotate, the transmission shaft 7 drives a movable contact 5 to rotate through an insulator and is clamped with a fixed contact 3, meanwhile, the pushing rod 15 drives a fourth spring 9 to move on a guide rail 13, a limiting slide block 8 pushes a triangular limiting block 26 of an overheating unlocking assembly to move into a groove 24, a third spring 28 pushes a third slide plate 27 to move when a triangular limiting groove 25 moves to the groove 24, the third slide plate 27 drives a second transverse slide plate 23 to move, the second transverse slide plate 23 drives the triangular limiting block 26 to move into the triangular limiting groove 25, the triangular limiting groove 25 and the triangular limiting block 26 are matched to realize the locking of the limiting slide block 8, so that the manual structure is locked, and the overheating unlocking assembly is convenient to lock the manual structure; secondly, when the movable contact 5 rotates, the monitoring round rod 19 of the intelligent deciliter degree monitoring assembly is pushed to move downwards, the monitoring round rod 19 drives the U-shaped plate 21 to move downwards, the U-shaped plate 21 drives the second sliding plate 22 to move downwards, the second sliding plate 22 drives the movable electromagnetic ring 36 to move downwards, after the movable electromagnetic ring 36 moves downwards, the fixed electromagnetic ring 31 generates induction current for the movable electromagnetic ring 36, the controller 37 calculates the magnitude of the induction current, the fact that the static contact 3 and the movable contact 5 are combined when the induction current is large means that the static contact 3 and the movable contact 5 are separated, the controller 37 calculates the magnitude of the induction current to monitor the deciliter degree of the static contact 3 and the movable contact 5, and the control of the deciliter degree of the static contact 3 and the movable contact 5 is facilitated; then, when the movable contact 5 rotates, the triangular guide block 10 of the anti-drop component is pushed to push, the triangular guide block 10 drives the first cross sliding plate 11 to move towards the installation box 4, after the movable contact 5 and the fixed contact 3 are clamped, the first spring 34 pushes the first spring 34 to move, the first spring 34 pushes the first sliding plate 35 to move, the first sliding plate 35 pushes the first cross sliding plate 11 to move, the first cross sliding plate 11 drives the triangular guide block 10 to move to the upper side of the movable contact 5, the triangular guide block 10 limits the movable contact 5, the anti-drop treatment of the fixed contact 3 and the movable contact 5 is realized, the separation of the fixed contact 3 and the movable contact 5 is avoided, the stable clamping connection of the fixed contact 3 and the movable contact 5 is facilitated, and the conductive treatment of the fixed contact 3 and the movable contact 5 is facilitated; finally, the temperature sensor 20 of the overheating unlocking component monitors the temperature of the clamping position of the static contact 3 and the moving contact 5 after the clamping connection of the static contact 3 and the moving contact 5 is conducted, when the temperature monitored by the temperature sensor 20 is higher than 40 ℃, the controller 37 conducts electricity to the first electromagnet 33 and the second electromagnet 29, the first electromagnet 33 generates magnetic attraction to move the movable electromagnetic ring 36 after the first electromagnet 33 is conducted, the first sliding plate 35 drives the triangular guide block 10 to separate from the moving contact 5, the second electromagnet 29 generates magnetic attraction to move the third sliding plate 27 after the second electromagnet 29 is conducted, the third sliding plate 27 drives the second transverse sliding plate 23 to move, the second transverse sliding plate 23 drives the triangular limiting block 26 to separate from the triangular limiting groove 25, then the fourth spring 9 restores to push the connecting plate 17 to rotate, the connecting plate 17 drives the transmission shaft 7 to rotate, the moving contact 5 drives the moving contact 5 to rotate through an insulator, the moving contact 5 is separated from the static contact 3, the temperature monitored at the clamping position of the moving contact 3 and the moving contact 5 can be conveniently monitored, when the temperature monitored by the moving contact 20 is higher than 40 ℃, the static contact 5 can be separated from the disconnecting protection switch, and the disconnecting protection switch can be avoided.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The intelligent monitoring equipment for the degree of separation and reunion of the moving contact and the static contact of the isolating switch is characterized by comprising a base (1), a static contact (3), a moving contact (5) and a manual structure, wherein the base (1) is connected to the static contact (3) through a fixed insulator, the base (1) is rotatably connected with the moving contact (5) through the fixed insulator, the moving contact (5) is spliced with the static contact (3), the manual structure is rotatably connected with the moving contact (5), the top of the base (1) is connected with an intelligent degree of separation and reunion monitoring assembly, the intelligent degree of separation and reunion monitoring assembly is respectively connected with an anti-falling assembly and an overheating unlocking assembly, and the overheating unlocking assembly is connected with the manual structure;
the manual structure comprises a transmission shaft (7), a limiting slide block (8), a guide rail (13), a transverse groove (14), a push rod (15) and a rotating plate (16), wherein the inner wall of the base (1) is rotatably connected with the transmission shaft (7) through a bearing, one end of the transmission shaft (7) is fixedly connected with the rotating plate (16), the transverse groove (14) is formed in the rotating plate (16), the push rod (15) is attached and slid in the transverse groove (14), the limiting slide block (8) is arranged at the inner end of the push rod (15), the limiting slide block (8) is in sliding fit with the guide rail (13), the guide rail (13) is arranged on the side wall of the base (1), and the transmission shaft (7) is rotatably connected with the movable contact (5) through an insulator;
the intelligent deciliter degree monitoring assembly comprises a supporting seat (2), an installation box (4), a control box (6), a second spring (12), a monitoring round rod (19), a U-shaped plate (21), a second sliding plate (22), a fixed electromagnetic ring (31), an intermediate plate (32), a controller (37) and a wireless transmitter (38);
a plurality of the supporting seats (2) are arranged at the top of the base (1) at equal intervals, the top of the supporting seat (2) is connected with an installation box (4), the bottom of the installation box (4) is provided with an intermediate plate (32), the bottom of the middle plate (32) is connected with a second spring (12), the bottom of the second spring (12) is connected with the second sliding plate (22), a movable electromagnetic coil (36) is arranged at the bottom of the second sliding plate (22), a fixed electromagnetic coil (31) positioned at the bottom in the installation box (4) is matched with the movable electromagnetic coil (36), the bottom of the second sliding plate (22) is connected with the U-shaped plate (21), the top of the outer end of the U-shaped plate (21) is provided with a monitoring round rod (19), the top of the monitoring round rod (19) is in sliding fit with the bottom of the moving contact (5), wherein the side wall of one group of the installation boxes (4) is provided with a control box (6), a controller (37) and a wireless transmitter (38) are respectively arranged in the control box (6), the wireless transmitter (38) is connected with the control end of a controller (37) in an external control box (6) through wireless signals, the electric control output end of the wireless transmitter (38) is electrically connected with the electric control input end of the controller (37), the electric control output end of the controller (37) is respectively and electrically connected with the electric control input ends of the fixed electromagnetic ring (31) and the movable electromagnetic ring (36);
the anti-falling assembly comprises a triangular guide block (10), a first cross sliding plate (11), a first electromagnet (33), a first spring (34) and a first sliding plate (35), the first electromagnet (33) and the first spring (34) are fixedly installed at the upper end of the inner side wall of the installation box (4), the electric control input end of the first electromagnet (33) is electrically connected with the electric control output end of the controller (37), the end part of the first spring (34) is fixedly provided with the first sliding plate (35) which is attached to and slidably connected with the inner wall of the installation box (4), the first cross sliding plate (11) is located on the side wall of the first sliding plate (35), and the outer end of the first cross sliding plate (11) is connected with the triangular guide block (10);
the overheating unlocking assembly comprises a fourth spring (9), a connecting plate (17), a transverse plate (18), a temperature sensor (20), a second transverse sliding plate (23), a groove (24), a triangular limiting groove (25), a triangular limiting block (26), a third sliding plate (27), a third spring (28), a second electromagnet (29) and a mounting sleeve (30);
the temperature sensor (20) is arranged on the side wall of the monitoring round rod (19), the sensing end of the temperature sensor (20) is arranged towards the fixed contact (3), the mounting sleeve (30) is mounted on the inner wall of the base (1), a third spring (28) and a second electromagnet (29) are arranged at the inner end in the mounting sleeve (30), the electric control input end of the temperature sensor (20) and the electric control input end of the second electromagnet (29) are electrically connected with the electric control output end of the controller (37), a third sliding plate (27) fixedly connected to the outer end of the third spring (28) is attached to the inner wall of the mounting sleeve (30) to slide, the second cross sliding plate (23) is fixed to the side wall of the third sliding plate (27), the triangular limiting block (26) is fixed to the outer end of the second cross sliding plate (23), a groove (24) attached to and sliding with the triangular limiting block (26) is formed in the outer side of the base (1), the limiting sliding block (8) is provided with the triangular limiting groove (25) matched with the triangular limiting block (26) at the side wall of the base (1), the outer side wall of the base (18) is fixedly mounted on the outer side wall of the base (1), and the fourth transverse plate (17) is fixedly connected to the top of the spring (9).
2. The intelligent monitoring equipment for the separation and reunion degree of the moving contact and the static contact of the disconnecting switch according to claim 1, is characterized in that the bottom of the installation box (4) is attached to and slides on a vertical part of a U-shaped plate (21) through a sealing sleeve.
3. The intelligent monitoring equipment for the separation and combination degree of the moving contact and the static contact of the disconnecting switch according to claim 2 is characterized in that the side wall of the installation box (4) is attached to and slides on the first cross sliding plate (11) through a sealing sleeve.
4. The intelligent monitoring equipment for the separation and reunion degree of the moving contact and the static contact of the disconnecting switch according to claim 3, characterized in that after the static contact (3) and the moving contact (5) are clamped, the bottom of the triangular guide block (10) is in contact with the top of the moving contact (5) in an attaching manner.
5. The intelligent monitoring equipment for the separation and reunion degree of the moving contact and the static contact of the disconnecting switch according to claim 4, is characterized in that the connecting plate (17) is installed at the other end of the transmission shaft (7), and the triangular limiting groove (25) and the triangular limiting block (26) are connected in an inserting mode to enable the fourth spring (9) to be in a compression state.
6. The monitoring method of intelligent monitoring equipment for the separation and reunion degree of the moving contact and the static contact of the disconnecting switch as claimed in claim 5 is characterized by comprising the following steps:
the method comprises the following steps: the external driving manual structure pushing rod (15) moves, the pushing rod (15) drives a rotating plate (16) to rotate through a transverse groove (14), the rotating plate (16) drives a transmission shaft (7) to rotate, the transmission shaft (7) drives a moving contact (5) to rotate through an insulator and is clamped with a static contact (3), meanwhile, the pushing rod (15) drives a fourth spring (9) to move on a guide rail (13), a limiting slide block (8) pushes a triangular limiting block (26) of an overheating unlocking assembly to move into a groove (24), when the triangular limiting groove (25) moves to the groove (24), the third spring (28) pushes a third sliding plate (27) to move, the third sliding plate (27) drives a second transverse sliding plate (23) to move, the second transverse sliding plate (23) drives the triangular limiting block (26) to move into the triangular limiting groove (25), the triangular limiting groove (25) and the triangular limiting block (26) are matched to realize locking of the limiting slide block (8), and further realize locking of the manual structure;
step two: when the moving contact (5) rotates, a monitoring round rod (19) of the intelligent deciliter degree monitoring assembly is pushed to move downwards, the monitoring round rod (19) drives a U-shaped plate (21) to move downwards, the U-shaped plate (21) drives a second sliding plate (22) to move downwards, the second sliding plate (22) drives a movable electromagnetic ring (36) to move downwards, after the movable electromagnetic ring (36) moves downwards, a fixed electromagnetic ring (31) generates induced current on the movable electromagnetic ring (36), a controller (37) calculates the magnitude of the induced current, the static contact (3) and the moving contact (5) are combined when the induced current is large, the static contact (3) and the moving contact (5) are separated when the induced current is small, and the controller (37) calculates the magnitude of the induced current to monitor the deciliter degree of the static contact (3) and the moving contact (5);
step three: when the moving contact (5) rotates, a triangular guide block (10) of the anti-falling component is pushed, the triangular guide block (10) drives a first cross sliding plate (11) to move towards the installation box (4), after the moving contact (5) and the static contact (3) are clamped, a first spring (34) pushes a first sliding plate (35) to move, the first sliding plate (35) pushes the first cross sliding plate (11) to move, the first cross sliding plate (11) drives the triangular guide block (10) to move above the moving contact (5), the triangular guide block (10) realizes limiting of the moving contact (5), and anti-falling processing of the static contact (3) and the moving contact (5) is realized;
step four: the temperature sensor (20) of the overheating unlocking component monitors the temperature of the joint of the static contact (3) and the moving contact (5) after the static contact (3) and the moving contact (5) are connected in a clamping mode and powered on, when the temperature sensor (20) monitors that the temperature is higher than 40 ℃, the controller (37) powers on the first electromagnet (33) and the second electromagnet (29), after the first electromagnet (33) is powered on, the first electromagnet (33) generates magnetism to attract the movable electromagnetic ring (36) to move, the first sliding plate (35) drives the triangular guide block (10) to be separated from the moving contact (5), after the second electromagnet (29) is powered on, the second electromagnet (29) generates magnetism to attract the third sliding plate (27) to move, the third sliding plate (27) drives the second transverse sliding plate (23) to move, the second transverse sliding plate (23) drives the triangular guide block (26) to be separated from the triangular limiting groove (25), then the restoring force of the fourth spring (9) pushes the connecting plate (17) to rotate, the connecting plate (17) drives the transmission shaft (7) to rotate, the moving contact (5) to be separated from the moving contact (3), and the moving contact (5) to be protected from being powered off.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252459.5A CN114464474B (en) | 2022-03-15 | 2022-03-15 | Intelligent monitoring device and method for separation and combination degree of moving contact and static contact of isolating switch |
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|---|---|---|---|
| CN202210252459.5A CN114464474B (en) | 2022-03-15 | 2022-03-15 | Intelligent monitoring device and method for separation and combination degree of moving contact and static contact of isolating switch |
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| CN114464474B true CN114464474B (en) | 2023-03-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969188B (en) * | 2012-11-20 | 2015-05-20 | 厦门智能达电控有限公司 | Intelligent alternating-current high-voltage isolating disconnecting link |
| CN103065856A (en) * | 2012-12-19 | 2013-04-24 | 川铁电气（天津）集团有限公司 | 27.5KV indoor integration electric isolating switch |
| CN205211649U (en) * | 2015-10-19 | 2016-05-04 | 夏烬楚 | A isolator prevent mistake system for 110kV electric wire netting |
| CN205140846U (en) * | 2015-11-20 | 2016-04-06 | 中国西电电气股份有限公司 | Take high voltage isolator of auto -lock |
| CN106601536A (en) * | 2016-12-28 | 2017-04-26 | 国网山东省电力公司青州市供电公司 | Disconnecting switch |
| CN208706517U (en) * | 2018-09-19 | 2019-04-05 | 银川市立恒电气设备有限公司 | It is capable of the disconnecting switch of real-time monitoring working condition |
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