A circuit breaker monitoring device and method

By using a thermally expanding liquid-driven expansion, scraping, and vibration assembly to remove soot and slag from the stationary and moving contacts of the circuit breaker, the problems of adhesion and low flue gas discharge efficiency are solved, achieving high conductivity and improved safety.

CN120468638BActive Publication Date: 2026-01-09HENAN TYRONE ELECTRICAL EQUIP CO LTD +1
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Patent Information

Application Number
CN202510684062.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-01-09
Estimated Expiration
2045-05-26

AI Technical Summary

Technical Problem

Existing circuit breakers have difficulty separating stationary and moving contacts when they stick together, leading to high-temperature burning, soot accumulation, affecting conductivity and increasing safety hazards. In addition, the flue gas discharge efficiency is low and it is difficult to clean effectively.

Method used

The thermal expansion liquid drives the expansion component, which in turn drives the ash scraper and vibration component to remove smoke and slag. Combined with the smoke exhaust component, it increases the airflow and automatically disconnects the stationary and moving contacts when the temperature is high.

Benefits of technology

It effectively removes soot and slag from stationary and moving contacts, improves conductivity, reduces failure rate, enhances safety, improves flue gas exhaust efficiency, and prevents parts from being blackened.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of circuit breaker state monitoring, in particular to a kind of switch circuit breaker monitoring device and monitoring method, support assembly includes thermal expansion liquid, the bottom of thermal expansion liquid is provided with lower pressing plate, the lower surface of lower pressing plate is fixedly connected with displacement rod, the surface of displacement rod is provided with helical chute, rotating gear is slidably connected in the inside of helical chute, ash scraping subassembly includes rotating gear ring, the inside of rotating gear ring is fixedly connected with high-temperature-resistant scraping strip, vibration subassembly includes driving shaft and multiple elastic strips, the side of driving shaft is provided with arc limiting strip, and the top of elastic strip is fixedly connected with knock ball;When the surface temperature of static contact and moving contact rises, thermal expansion liquid expands by heat, rotating gear ring drives high-temperature-resistant scraping strip to rotate, and the rotation of high-temperature-resistant scraping strip can scrape off the soot or cinder generated on the surface of static contact and moving contact, to reduce the security risk of static contact and moving contact.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit breaker state monitoring, in particular to a switch circuit breaker monitoring device and a monitoring method. BACKGROUND

[0002] A circuit breaker refers to a switching device capable of closing, carrying and opening the current under normal loop conditions and closing, carrying and opening the current under abnormal loop conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their use. Circuit breakers are common electrical equipment used to connect and disconnect power in the loop to provide protection.

[0003] The comparative document CN119087210B provides an online monitoring device for a power distribution cabinet circuit breaker, relating to the technical field of power distribution cabinet circuit breaker testing, comprising a mounting unit; a connection unit is installed on the mounting unit; an online monitor is installed at the bottom of the connection unit; the comparative document has poor safety and is not easy to disconnect when adhered.

[0004] The comparative document CN107797053B discloses a monitoring unit (1) for monitoring an electrical circuit breaker (D) and a multi-pole circuit breaker, the monitoring unit comprising a central body and a removable power supply module (20), the central body comprising: interconnection means (120); the circuit breaker detection device has low detection accuracy and poor monitoring effect.

[0005] A general circuit breaker includes a static contact and a dynamic contact that contact each other for conduction. In actual use, there are circuit faults, which can cause the static contact and the dynamic contact to adhere to each other, making it difficult to separate the static contact and the dynamic contact. When the current is too large, the static contact and the dynamic contact can be heated, causing the static contact and the dynamic contact to burn, resulting in smoke residue on the surface of the static contact and the dynamic contact, affecting the conductivity of the static contact and the dynamic contact, causing poor contact, causing smoke and fire, making it difficult to separate the static contact and the dynamic contact and cut off the power, causing safety accidents, and the smoke generated in the circuit breaker is difficult to discharge, the smoke pipe discharges smoke slowly, causing smoke to accumulate on the inner wall of the smoke pipe, which is difficult to remove, affecting the smoke discharge efficiency. SUMMARY

[0006] To solve the above technical problems, the present application provides a switch circuit breaker monitoring device and a monitoring method.

[0007] The switch circuit breaker monitoring device of the present application comprises a contact plate, a separating component, a dust scraping component, a vibrating component, a smoke discharging component, a monitoring cabinet and a circuit breaker body, the contact plate comprises a static contact plate and a dynamic contact plate, the lower surface of the static contact plate is provided with a static contact, and the upper surface of the dynamic contact plate is provided with a dynamic contact.

[0008] The expansion assembly comprises a thermal expansion liquid, the bottom of the thermal expansion liquid is provided with a lower pressing plate, the lower surface of the lower pressing plate is fixedly connected with a displacement rod, the surface of the displacement rod is provided with a spiral chute, the inside of the spiral chute is slidably connected with a rotating gear, and the rotating gear is matched with the spiral chute;

[0009] The ash scraping assembly comprises a rotating gear ring, the inner side of the rotating gear ring is fixedly connected with a high-temperature-resistant scraping strip, and the rotating gear ring is engaged with the rotating gear;

[0010] The vibration assembly comprises a rotating shaft and a plurality of elastic strips, one side of the rotating shaft is provided with an arc-shaped limiting strip, the rotating shaft and the arc-shaped limiting strip are fixedly connected with the high-temperature-resistant scraping strip, the top of the elastic strip is fixedly connected with a knocking ball, and the elastic strip is matched with the rotating shaft and the arc-shaped limiting strip;

[0011] The smoke exhaust assembly comprises a smoke exhaust transmission mechanism and a smoke pipe mechanism.

[0012] The smoke pipe mechanism comprises a smoke pipe, the inside of the smoke pipe is provided with a booster cavity, the inner wall of the booster cavity is fixedly connected with a support shaft, the inside of the support shaft is penetrated through with a rotating rod, one end of the rotating rod is fixedly connected with a fan blade, and the other end of the rotating rod is fixedly connected with a small-diameter belt pulley.

[0013] Preferably, the bottom of the rotating gear is fixedly connected with a rotating support rod, the lower surface of the static contact plate is provided with a circular groove, the circular groove is located directly above the rotating gear, and the circular groove is slidably connected with the rotating support rod.

[0014] Preferably, the upper surface of the static contact plate is provided with two expansion shells, the thermal expansion liquid is located in the inside of the expansion shell, the upper surface of the dynamic contact plate is provided with two top columns, the top column is matched with the displacement rod, and the bottom of the top column is provided with a smoke sensor.

[0015] Preferably, the side surface of the static contact head is fixedly connected with two support rods, the end of the support rod is fixedly connected with an arc-shaped plate, the edge of the inner side of the rotating gear ring is provided with a double groove, and the double groove is slidably connected with the arc-shaped plate.

[0016] Preferably, the smoke exhaust transmission mechanism comprises an upper pressing plate, the upper surface of the upper pressing plate is fixedly connected with a support column, the top end of the support column is fixedly connected with a rack, the side surface of the rack is drivingly connected with a driving gear, the side surface of the driving gear is fixedly connected with a large-diameter belt pulley through a rotating shaft, and the large-diameter belt pulley is drivingly connected with the small-diameter belt pulley through a belt.

[0017] Preferably, the lower surface of the static contact plate is fixedly connected with a fixed column, the fixed column is fixedly connected with the smoke pipe, the fixed column is movably connected with the rotating shaft, and one end of the smoke pipe is provided with a smoke collecting nozzle.

[0018] Preferably, the rotating support rod comprises a support rod, the end of the support rod is provided with a roller, and the roller is located inside the circular groove.

[0019] Preferably, the upper surface of the static contact plate is fixedly connected with two mounting plates, the inside of the mounting plate is provided with a mounting hole, and the end of the moving contact plate is provided with a mounting hole.

[0020] Preferably, the front surface of the monitoring cabinet is provided with a display panel, the inside of the monitoring cabinet is provided with a mounting rack, the front surface of the mounting rack is provided with a circuit breaker body, and one side of the circuit breaker body is provided with a monitoring camera.

[0021] A monitoring method of a switch circuit breaker monitoring device, comprising the following steps:

[0022] S1, the thermal expansion liquid is expanded by heat to drive the opening component, the opening component drives the ash scraping component to drive the high-temperature-resistant scraping strip to rotate, and the soot and cinder can be scraped off;

[0023] S2, when the ash scraping component scrapes soot and cinder, the ash scraping component drives the vibration component to drive, and the vibration component knocks and vibrates the soot and cinder on the surface of the static contact and the moving contact;

[0024] S3, the thermal expansion liquid is expanded by heat to drive the smoke exhaust component, so that the fan blade rotates, the air pressure in the smoke pipe is generated, and the smoke flow is fast;

[0025] S4, when the shaft and the elastic strip are in constant contact, the gas flow in the smoke pipe is continuously increased, and the gas pressure pulse in the smoke pipe is generated, so that the soot attached to the inner wall of the smoke pipe is cleaned;

[0026] S5, when the thermal expansion liquid reaches the maximum temperature, the thermal expansion liquid is expanded by heat to drive the opening component, the opening component drives the moving contact plate to move downward, and the moving contact and the static contact are separated at this time.

[0027] Compared with the prior art, the beneficial effects of the present application are:

[0028] 1. When the surface temperature of the static contact and the moving contact is increased, the thermal expansion liquid is expanded by heat, the high-temperature-resistant scraping strip is rotated by the rotating gear ring, the rotation of the high-temperature-resistant scraping strip can scrape off the soot or cinder generated on the surface of the static contact and the moving contact, and the safety hidden danger of the static contact and the moving contact is reduced.

[0029] 2. When the shaft is rotated and passes through the elastic strip, the shaft drives the elastic strip away from the static contact and the moving contact, the end of the elastic strip passes through the arc-shaped limiting strip, at this time the elastic strip rebounds and drives the knocking ball to knock the static contact and the moving contact, the static contact and the moving contact are vibrated, and the high-temperature-resistant scraping strip is also vibrated, and the surface of the static contact and the moving contact is removed by vibration.

[0030] 3. The rotation of the fan blade causes the pressure in the booster cavity to increase, the airflow in the smoke pipe flows faster, the gas flow in the smoke pipe is increased, the smoke nozzle collects smoke into the smoke pipe, the smoke is discharged outward through the smoke pipe, avoids blackening parts, improves the conductivity, and reduces the failure rate.

[0031] 4. When the shaft contacts the elastic strip, the gas flow in the smoke pipe increases, when the shaft does not contact the elastic strip, the gas flow in the smoke pipe decreases, the rotation of the rotating gear ring generates air pressure pulse in the smoke pipe, and the attached soot on the inner wall of the smoke pipe is cleaned.

[0032] 5. When the temperature of the static contact and the moving contact reaches the maximum value, the thermal expansion liquid is further expanded by heat, the lower pressing plate drives the displacement rod to continue to descend, the displacement rod presses the top column, the top column drives the moving contact plate to descend, and the moving contact plate drives the moving contact to descend, at this time the moving contact and the static contact are separated and powered off, so as to increase the safety. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a schematic view of the appearance structure of the application;

[0034] Figure 2 is a schematic view of the circuit breaker body structure of the application;

[0035] Figure 3 is a schematic view of the contact plate structure of the application;

[0036] Figure 4 is a schematic view of the static contact plate structure of the application;

[0037] Figure 5 is a schematic view of the moving contact plate structure of the application;

[0038] Figure 6 is a schematic view of the front view structure of the contact plate of the application;

[0039] Figure 7 is a schematic view of the cross-sectional structure of the opening assembly of the application;

[0040] Figure 8 is a schematic view of the Figure 7 enlarged structure of A in the application;

[0041] Figure 9is a schematic diagram of a rotating tooth ring structure of the present application;

[0042] Figure 10 is a schematic diagram of a rotating tooth ring structure of the present application; Figure 9 is a schematic diagram of an enlarged structure at B in the middle;

[0043] Figure 11 is a schematic diagram of a vibrating assembly structure of the present application;

[0044] Figure 12 is a schematic diagram of a rotating tooth ring structure of the present application; Figure 11 is a schematic diagram of an enlarged structure at C in the middle;

[0045] Figure 13 is a schematic diagram of a smoke exhaust assembly structure of the present application;

[0046] Figure 14 is a schematic diagram of a rotating tooth ring structure of the present application; Figure 13 is a schematic diagram of an enlarged structure at D in the middle.

[0047] In the figure, 1 is a contact plate; 11 is a static contact plate; 12 is a dynamic contact plate; 13 is a static contact head; 14 is a dynamic contact head; 15 is a mounting plate; 2 is an opening assembly; 21 is a thermal expansion liquid; 22 is a pressing plate; 23 is a displacement rod; 24 is a rotating gear; 25 is a rotating support rod; 251 is a support rod; 252 is a roller; 26 is a circular groove; 27 is an expansion shell; 28 is a top column; 29 is a smoke sensor; 3 is a dust scraping assembly; 31 is a rotating tooth ring; 32 is a high-temperature-resistant scraping strip; 33 is a support rod; 34 is an arc-shaped plate; 35 is a double groove; 4 is a vibrating assembly; 41 is a rotating shaft; 42 is an elastic strip; 43 is a knocking ball; 44 is an arc-shaped limiting strip; 5 is a smoke exhaust assembly; 51 is a smoke exhaust transmission mechanism; 511 is an upper pressing plate; 512 is a support column; 513 is a rack; 514 is a driving gear; 515 is a large-diameter pulley; 52 is a smoke pipe mechanism; 521 is a smoke pipe; 522 is a booster cavity; 523 is a rotating rod; 524 is a fan blade; 525 is a small-diameter pulley; 527 is a smoke collecting nozzle; 53 is a fixing column; 6 is a monitoring cabinet; 7 is a circuit breaker body; 8 is a display panel; 9 is a mounting plate; 10 is a monitoring camera. DETAILED DESCRIPTION

[0048] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0049] Example 1

[0050] With reference to Figures 1 to 14 , the present application provides a switch circuit breaker monitoring device, comprising a contact plate 1, an opening assembly 2, a dust scraping assembly 3, a vibrating assembly 4, a smoke exhaust assembly 5, a monitoring cabinet 6 and a circuit breaker body 7.

[0051] The expansion assembly 2 comprises a thermal expansion liquid 21, the bottom of the thermal expansion liquid 21 is provided with a lower pressing plate 22, the lower surface of the lower pressing plate 22 is fixedly connected with a displacement rod 23, the surface of the displacement rod 23 is provided with a spiral chute, the inside of the spiral chute is slidably connected with a rotating gear 24, and the rotating gear 24 is matched with the spiral chute; in the use process, when the temperature reaches the maximum value, the thermal expansion liquid 21 is further expanded by heating, the lower pressing plate 22 drives the displacement rod 23 to descend, the displacement rod 23 presses the top column 28, the top column 28 drives the movable contact plate 12 to descend, and the movable contact plate 12 drives the movable contact 14 to descend, at this time, the movable contact 14 is separated from the static contact 13 and is powered off.

[0052] The ash scraping assembly 3 comprises a rotating gear ring 31, the inner side of the rotating gear ring 31 is fixedly connected with a high-temperature-resistant scraping strip 32, the rotating gear ring 31 is meshed with the rotating gear 24, the side surface of the static contact 13 is fixedly connected with two supporting rods 33, the end portions of the supporting rods 33 are fixedly connected with arc-shaped plates 34, the edge of the inner side of the rotating gear ring 31 is provided with double grooves 35, and the double grooves 35 are slidably connected with the arc-shaped plates 34; in the use process, when the temperature rises, the thermal expansion liquid 21 is expanded by heating, the rotating gear 24 drives the rotating gear ring 31 to rotate, the arc-shaped plates 34 can slide in the double grooves 35, so that the two supporting rods 33 can support the rotating gear ring 31 and make the rotating gear ring 31 rotate stably, the rotating gear ring 31 drives the high-temperature-resistant scraping strip 32 to rotate, and the rotation of the high-temperature-resistant scraping strip 32 can scrape off the ash or cinder generated on the surfaces of the static contact 13 and the movable contact 14.

[0053] The vibration assembly 4 comprises a rotating shaft 41 and a plurality of elastic strips 42, one side of the rotating shaft 41 is provided with an arc-shaped limiting strip 44, the rotating shaft 41 and the arc-shaped limiting strip 44 are fixedly connected with the high-temperature-resistant scraping strip 32, the top of each elastic strip 42 is fixedly connected with a knocking ball 43, and the elastic strips 42 are matched with the rotating shaft 41 and the arc-shaped limiting strip 44; in the use process, the high-temperature-resistant scraping strip 32 drives the rotating shaft 41 and the arc-shaped limiting strip 44 to rotate, when the rotating shaft 41 rotates and passes through the elastic strips 42, the rotating shaft 41 moves the elastic strips 42 away from the static contact 13 and the movable contact 14, the end portion of the elastic strip 42 passes through the arc-shaped limiting strip 44, at this time, the elastic strip 42 rebounds and drives the knocking ball 43 to knock and vibrate the static contact 13 and the movable contact 14, and the ash and cinder on the surfaces of the static contact 13 and the movable contact 14 can be removed through vibration.

[0054] The smoke exhaust assembly 5 comprises a smoke exhaust transmission mechanism 51 and a smoke pipe mechanism 52; the smoke exhaust transmission mechanism 51 comprises an upper pressing plate 511, the upper surface of the upper pressing plate 511 is fixedly connected with a support column 512, the top end of the support column 512 is fixedly connected with a rack 513, the side surface of the rack 513 is drivingly connected with a driving gear 514, the side surface of the driving gear 514 is fixedly connected with a large-diameter belt pulley 515 through a rotating shaft, and the large-diameter belt pulley 515 is drivingly connected with a small-diameter belt pulley 525 through a belt; in the use process, the thermal expansion liquid 21 is heated and expanded, the upper pressing plate 511 drives the support column 512 to rise, the support column 512 drives the rack 513 to rise, the rack 513 drives the driving gear 514 to rotate, the driving gear 514 drives the large-diameter belt pulley 515 to rotate through the rotating shaft, and the large-diameter belt pulley 515 drives the small-diameter belt pulley 525 to rotate through the high-temperature-resistant belt.

[0055] The smoke pipe mechanism 52 comprises a smoke pipe 521, the smoke pipe 521 is internally provided with a booster cavity 522, the inner wall of the booster cavity 522 is fixedly connected with a support shaft, the support shaft is internally penetrated through with a rotating rod 523, one end of the rotating rod 523 is fixedly connected with a fan blade 524, and the other end of the rotating rod 523 is fixedly connected with the small-diameter belt pulley 525; in the use process, the diameter of the large-diameter belt pulley 515 is greater than that of the small-diameter belt pulley 525, so that the rotating speed of the small-diameter belt pulley 525 can be increased, the small-diameter belt pulley 525 drives the rotating rod 523 to rotate, the rotating rod 523 drives the fan blade 524 to rotate, the rotation of the fan blade 524 causes the air pressure in the booster cavity 522, the airflow in the smoke pipe 521 flows relatively fast, the airflow quantity in the smoke pipe 521 is increased, the smoke nozzle 527 collects the smoke into the smoke pipe 521, the smoke is discharged outward through the smoke pipe 521, the smoky part is avoided, the conductivity is improved, and the failure rate is reduced.

[0056] The contact plate 1 comprises a static contact plate 11 and a dynamic contact plate 12, the lower surface of the static contact plate 11 is provided with a static contact head 13, and the upper surface of the dynamic contact plate 12 is provided with a dynamic contact head 14; in the use process, the inside of the monitoring cabinet 6 is internally provided with a circuit breaker body 7, the inside of the circuit breaker body 7 is provided with the contact plate 1, the contact plate 1 is divided into the static contact plate 11 and the dynamic contact plate 12, the static contact plate 11 is provided with the static contact head 13, the dynamic contact plate 12 is provided with the dynamic contact head 14, and the contact between the static contact head 13 and the dynamic contact head 14 enables the circuit breaker to work.

[0057] The bottom of the rotating gear 24 is fixedly connected with a rotating support rod 25, the lower surface of the static contact plate 11 is provided with a circular groove 26, the circular groove 26 is located directly above the rotating gear 24, the circular groove 26 is in sliding connection with the rotating support rod 25, the rotating support rod 25 comprises a support rod 251, the end of the support rod 251 is provided with a roller 252, and the roller 252 is located in the interior of the circular groove 26; in the use process, when the rotating gear 24 rotates, the rotating gear 24 drives the rotating support rod 25 to rotate, the rotating support rod 25 can slide in the circular groove 26, the end of the support rod 251 is provided with the roller 252, the roller 252 can move along the axis in the circular groove 26, the friction between the rotating support rod 25 and the circular groove 26 can be reduced, and the rotating gear 24 is prevented from being blocked in rotation.

[0058] The upper surface of the static contact plate 11 is provided with two expansion shells 27, the thermal expansion liquid 21 is located in the interior of the expansion shell 27, the upper surface of the moving contact plate 12 is provided with two jacks 28, the jacks 28 are matched with the displacement rods 23, the bottom of the jack 28 is provided with a smoke sensor 29; in the use process, the expansion shell 27 plays a role in storing the thermal expansion liquid 21, when the temperature of the contact plate 1 rises, the thermal expansion liquid 21 is heated to expand, has a downward expansion force, drives the lower pressing plate 22 to move downwards, and the lower pressing plate 22 drives the displacement rod 23 to move downwards, if the moving contact 14 and the static contact 13 generate high temperature, the smoke sensor 29 can detect the existence of smoke generated by the moving contact 14 and the static contact 13.

[0059] The lower surface of the static contact plate 11 is fixedly connected with a fixed column 53, the fixed column 53 is in fixed connection with a smoke pipe 521, the fixed column 53 is in movable connection with a rotating shaft, and one end of the smoke pipe 521 is provided with a smoke collecting nozzle 527; in the use process, the fixed column 53 plays a role in fixing the smoke pipe 521, the rotating shaft can rotate in the fixed column 53, and the smoke pipe 521 and the smoke collecting nozzle 527 can discharge smoke, reduce the existence of smoke in the circuit breaker body 7, and avoid damage to parts in the circuit breaker body 7.

[0060] The upper surface of the static contact plate 11 is fixedly connected with two mounting plates 15, the interior of the mounting plate 15 is provided with a mounting hole, and the end of the moving contact plate 12 is provided with a mounting hole; the static contact plate 11 and the moving contact plate 12 can be mounted through the mounting holes; in the use process, the static contact plate 11 can be mounted in the circuit breaker body 7 through the mounting hole of the mounting plate 15, and the moving contact plate 12 can be mounted in the circuit breaker body 7 through the mounting hole of the moving contact plate 12, and assembly is facilitated.

[0061] The front of the monitoring cabinet 6 is provided with a display panel 8, the inside of the monitoring cabinet 6 is provided with a mounting frame 9, the front of the mounting frame 9 is provided with a circuit breaker body 7, one side of the circuit breaker body 7 is provided with a monitoring camera 10; in the use process, the working state in the monitoring cabinet 6 can be displayed through the display panel 8, the mounting frame 9 can be installed on the inner wall of the monitoring cabinet 6 through bolts, the circuit breaker body 7 can be installed on the mounting frame 9 through bolts, the monitoring camera 10 detects the opening and closing state of the circuit breaker body 7, and the working state of the circuit breaker body 7 is displayed on the display panel 8, so that observation is facilitated.

[0062] Embodiment 2

[0063] Reference Figures 1 to 14 The present application provides a kind of switch circuit breaker monitoring equipment, when static contact 13 and moving contact 14 adhere, it is difficult to separate static contact 13 and moving contact 14, when current is too large, static contact 13 and moving contact 14 can generate high temperature, static contact 13 and moving contact 14 are easily burnt, cause the surface of static contact 13 and moving contact 14 to produce soot smoke, affect the conductivity of static contact 13 and moving contact 14, cause poor contact, cause smoke, it is difficult to separate static contact 13 and moving contact 14 and power off, prone to safety accidents, and the smoke generated in circuit breaker is difficult to discharge, smoke pipe 521 exhaust efficiency is slow, cause the inside wall of smoke pipe 521 to produce soot, it is difficult to remove, affect exhaust efficiency, to solve the above problems.

[0064] In the specific use process of the present application, when the surface temperature of static contact 13 and moving contact 14 rises, in order to avoid the generation of soot and affect the conductivity, the thermal expansion liquid 21 expands under heat, the lower pressing plate 22 slides in the expansion shell 27, the lower pressing plate 22 drives the displacement rod 23 to descend, the spiral chute on the displacement rod 23 is pressed down, the pressing force of the spiral chute makes the rotating gear 24 rotate, the rotating gear 24 drives the rotating gear ring 31 to rotate, the rotating gear ring 31 drives the high-temperature-resistant scraping strip 32 to rotate, the high-temperature-resistant scraping strip 32 is attached to the static contact 13 and the moving contact 14, the high-temperature-resistant scraping strip 32 rotates along the surface of the static contact 13 and the moving contact 14, the rotation of the high-temperature-resistant scraping strip 32 can scrape off the soot or smoke produced on the surface of the static contact 13 and the moving contact 14, reducing the safety hazard of the static contact 13 and the moving contact 14.

[0065] When the surface of the static contact 13 and the dynamic contact 14 is covered with soot, in order to avoid the difficulty of removing the soot, the soot is difficult to fall off, and the contact is poor; when the high-temperature-resistant scraping strip 32 rotates, the high-temperature-resistant scraping strip 32 drives the rotating shaft 41 and the arc limiting strip 44 to rotate, when the rotating shaft 41 rotates and passes through the elastic strip 42, the rotating shaft 41 drives the elastic strip 42 away from the static contact 13 and the dynamic contact 14, the end of the elastic strip 42 passes through the arc limiting strip 44, at this time the elastic strip 42 rebounds and drives the knocking ball 43 to knock the static contact 13 and the dynamic contact 14, the static contact 13 and the dynamic contact 14 vibrate, and the surface of the static contact 13 and the dynamic contact 14 is removed by vibration.

[0066] When the surface of the static contact 13 and the dynamic contact 14 is covered with soot, in order to avoid the difficulty of removing the soot, the soot is difficult to fall off, and the contact is poor; when the high-temperature-resistant scraping strip 32 rotates, the high-temperature-resistant scraping strip 32 drives the rotating shaft 41 and the arc limiting strip 44 to rotate, when the rotating shaft 41 rotates and passes through the elastic strip 42, the rotating shaft 41 drives the elastic strip 42 away from the static contact 13 and the dynamic contact 14, the end of the elastic strip 42 passes through the arc limiting strip 44, at this time the elastic strip 42 rebounds and drives the knocking ball 43 to knock the static contact 13 and the dynamic contact 14, the static contact 13 and the dynamic contact 14 vibrate, and the surface of the static contact 13 and the dynamic contact 14 is removed by vibration.

[0067] When the ambient of static contact 13 and moving contact 14 is arranged to exhaust smoke, in order to avoid the inner wall of smoke pipe 521 to attach more soot, affect the use, and the surface of static contact 13 and moving contact 14 is arranged to scrape soot and vibration cleaning; when the shaft 41 is in contact with the elastic strip 42, at this time the elastic strip 42 has a certain resistance to the shaft 41, according to the above, the lower plate 22 also generates resistance, so that the descending speed of the lower plate 22 decreases, according to the temperature thermal expansion liquid 21, the expansion amount does not change, the ascending speed of the upper plate 511 increases, the ascending speed of the rack 513 increases, the speed of the driving gear 514 and the large diameter pulley 515 driven by the rack 513 increases at the same time, the speed of the small diameter pulley 525 driven by the large diameter pulley 515 further increases, the speed of the fan blade 524 driven by the small diameter pulley 525 increases, the gas flow rate in the smoke pipe 521 increases, when the shaft 41 is not in contact with the elastic strip 42, for the same reason, the descending speed of the lower plate 22 increases, the ascending speed of the upper plate 511 decreases, the speed of the fan blade 524 decreases, the gas flow rate in the smoke pipe 521 decreases, by rotating the gear ring 31, the gas flow rate in the smoke pipe 521 can be continuously smaller or larger, and the gas pressure pulse in the smoke pipe 521 can be generated, so as to clean the soot attached to the inner wall of the smoke pipe 521, and the gas flow rate around the static contact 13 and the moving contact 14 changes with the gas pressure pulse in the smoke pipe 521, so as to clean the soot on the surface of the static contact 13 and the moving contact 14.

[0068] When the temperature of the static contact 13 and the moving contact 14 reaches the maximum value, in order to avoid the circuit breaker body 7 from being burned out and causing safety hazards, the thermal expansion liquid 21 is further expanded by heat, the lower plate 22 drives the displacement rod 23 to continue to descend, the displacement rod 23 presses the top column 28, the top column 28 drives the moving contact plate 12 to descend, and the moving contact plate 12 drives the moving contact 14 to descend, at this time the moving contact 14 is separated from the static contact 13 to cut off the power supply, so as to increase the safety.

[0069] In summary, the rotation of the high-temperature scraping strip 32 can scrape the soot or residue generated on the surface of the static contact 13 and the moving contact 14, the vibration can remove the soot on the surface of the static contact 13 and the moving contact 14, the rotation of the fan blade 524 can increase the gas flow rate in the smoke pipe 521, the gas pressure pulse in the smoke pipe 521 can be generated during vibration, so as to clean the soot attached to the inner wall of the smoke pipe 521, and the gas flow rate around the static contact 13 and the moving contact 14 changes with the gas pressure pulse in the smoke pipe 521, when the temperature of the static contact 13 and the moving contact 14 reaches the maximum value, at this time the moving contact 14 is separated from the static contact 13 to cut off the power supply.

[0070] Embodiment 3

[0071] A monitoring method of a switch circuit breaker monitoring device, comprising the following steps:

[0072] S1, the thermal expansion liquid 21 is heated and expanded to drive the opening assembly 2, the opening assembly 2 drives the ash scraping assembly 3 to drive the high-temperature-resistant scraping strip 32 to rotate, and the soot and cinder can be scraped off;

[0073] S2, when the ash scraping assembly 3 scrapes soot and cinder, the ash scraping assembly 3 drives the vibration assembly 4 to drive, and the vibration assembly 4 knocks and vibrates the soot and cinder on the surface of the static contact 13 and the dynamic contact 14;

[0074] S3, the thermal expansion liquid 21 is heated and expanded to drive the smoke exhaust assembly 5, so that the fan blade 524 rotates, the gas pressure in the smoke pipe 521 is generated, and the smoke flow is fast;

[0075] S4, when the shaft 41 and the elastic strip 42 are in constant contact, the gas flow in the smoke pipe 521 is continuously increased, and the gas pressure pulse in the smoke pipe 521 is generated, so that the soot attached to the inner wall of the smoke pipe 521 is cleaned;

[0076] S5, when the temperature of the thermal expansion liquid 21 reaches the maximum value, the thermal expansion liquid 21 is heated and expanded to drive the opening assembly 2, the opening assembly 2 drives the dynamic contact plate 12 to move down, and the dynamic contact 14 and the static contact 13 are separated and disconnected.

[0077] Finally, it should be pointed out that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A switch breaker monitoring device, comprising a contact plate (1), a opening component (2), a ash scraping component (3), a vibration component (4), a smoke exhaust component (5), a monitoring cabinet (6) and a breaker body (7), the contact plate (1) comprises a static contact plate (11) and a dynamic contact plate (12), the lower surface of the static contact plate (11) is provided with a static contact (13), the upper surface of the dynamic contact plate (12) is provided with a dynamic contact (14); the opening component (2) comprises a thermal expansion liquid (21), the bottom of the thermal expansion liquid (21) is provided with a lower pressing plate (22), the lower surface of the lower pressing plate (22) is fixedly connected with a displacement rod (23), the surface of the displacement rod (23) is provided with a spiral chute, the inside of the spiral chute is slidably connected with a rotating gear (24); the ash scraping component (3) comprises a rotating gear ring (31), the inner side of the rotating gear ring (31) is fixedly connected with a high-temperature-resistant scraping strip (32); the vibration component (4) comprises a shaft (41) and a plurality of elastic strips (42), one side of the shaft (41) is provided with an arc-shaped limiting strip (44), the top of the elastic strip (42) is fixedly connected with a knocking ball (43); the smoke exhaust component (5) comprises a smoke exhaust transmission mechanism (51) and a smoke pipe mechanism (52); the smoke exhaust transmission mechanism (51) comprises an upper pressing plate (511), the thermal expansion liquid (21) is located between the lower pressing plate (22) and the upper pressing plate (511), the upper surface of the upper pressing plate (511) is fixedly connected with a support column (512), the top end of the support column (512) is fixedly connected with a rack (513), the side surface of the rack (513) is drivingly connected with a driving gear (514), the side surface of the driving gear (514) is fixedly connected with a large-diameter belt pulley (515) through a rotating shaft, and the large-diameter belt pulley (515) and a small-diameter belt pulley (525) are drivingly connected through a belt; the smoke pipe mechanism (52) comprises a smoke pipe (521), the inside of the smoke pipe (521) is provided with a booster cavity (522), the inner wall of the booster cavity (522) is fixedly connected with a support shaft, the inside of the support shaft penetrates a rotating rod (523), one end of the rotating rod (523) is fixedly connected with a fan blade (524), and the other end of the rotating rod (523) is fixedly connected with the small-diameter belt pulley (525).

2. A switch disconnector monitoring device according to claim 1, characterized in that The bottom of the rotating gear (24) is fixedly connected with a rotating support rod (25), the lower surface of the static contact plate (11) is provided with a circular groove (26), the circular groove (26) is located directly above the rotating gear (24), and the circular groove (26) is slidably connected with the rotating support rod (25).

3. A switch disconnector monitoring device according to claim 1, characterized in that The rotating gear (24) is matched with the spiral chute, the upper surface of the static contact plate (11) is provided with two expansion protective shells (27), the thermal expansion liquid (21) is located in the inside of the expansion protective shell (27), the upper surface of the dynamic contact plate (12) is provided with two top columns (28), the top column (28) is matched with the displacement rod (23), and the bottom of the top column (28) is provided with a smoke sensor (29).

4. A switch disconnector monitoring device according to claim 1, characterized in that The rotating gear ring (31) is engaged with the rotating gear (24), the side surface of the static contact (13) is fixedly connected with two support rods (33), the end of the support rod (33) is fixedly connected with an arc-shaped plate (34), the edge of the inner side of the rotating gear ring (31) is provided with a double groove (35), and the double groove (35) is in sliding connection with the arc-shaped plate (34).

5. A switch disconnector monitoring device according to claim 1, characterized in that The lower surface of the static contact plate (11) is fixedly connected with a fixed column (53), the fixed column (53) is fixedly connected with a smoke pipe (521), the fixed column (53) is movably connected with a rotating shaft, and one end of the smoke pipe (521) is provided with a smoke collecting nozzle (527).

6. A switch disconnector monitoring device according to claim 2, characterised in that, The rotating support rod (25) comprises a support rod (251), and the end of the support rod (251) is provided with a roller (252).

7. A switch disconnector monitoring device according to claim 1, characterized in that The rotating shaft (41) and the arc-shaped limiting strip (44) are fixedly connected with the high-temperature-resistant scraping strip (32), the elastic strips (42) are matched with the rotating shaft (41) and the arc-shaped limiting strip (44), the upper surface of the static contact plate (11) is fixedly connected with two mounting plates (15), the inside of the mounting plate (15) is provided with a mounting hole, and the end of the dynamic contact plate (12) is provided with a mounting hole.

8. A switch disconnector monitoring device according to claim 1, characterized in that The front surface of the monitoring cabinet (6) is provided with a display panel (8), the inside of the monitoring cabinet (6) is provided with a mounting frame (9), the front surface of the mounting frame (9) is provided with a circuit breaker body (7), and one side of the circuit breaker body (7) is provided with a monitoring camera (10).

9. A monitoring method of a switch disconnector monitoring device, the monitoring method monitors the switch disconnector monitoring device according to claim 1, characterized in that, The method comprises the following steps: S1, the thermal expansion liquid (21) is heated and expanded to drive the opening assembly (2), the opening assembly (2) drives the soot scraping assembly (3) to drive the high-temperature-resistant scraping strip (32) to rotate and scrape off the soot and cinder; S2, when the soot scraping assembly (3) scrapes the soot and cinder, the soot scraping assembly (3) drives the vibration assembly (4) to drive, and the vibration assembly (4) knocks and vibrates the soot and cinder on the surface of the static contact (13) and the dynamic contact (14) to clean; S3, the thermal expansion liquid (21) is heated and expanded to drive the smoke exhaust assembly (5), so that the fan blade (524) rotates, the air pressure in the smoke pipe (521) is generated, and the smoke flow is fast; S4, when the rotating shaft (41) and the elastic strip (42) are in constant contact, the gas flow in the smoke pipe (521) is continuously increased, and the gas pressure pulse generated in the smoke pipe (521) cleans the soot attached to the inner wall of the smoke pipe (521); S5, when the temperature of the thermal expansion liquid (21) reaches the maximum value, the thermal expansion liquid (21) is heated and expanded to drive the opening assembly (2), and the opening assembly (2) drives the dynamic contact plate (12) to move downward, so that the dynamic contact (14) and the static contact (13) are separated and powered off.

Citation Information

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