CN113567854A - Remote tripping device and high-voltage circuit breaker overhauling method - Google Patents
Remote tripping device and high-voltage circuit breaker overhauling method Download PDFInfo
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- CN113567854A CN113567854A CN202110994321.8A CN202110994321A CN113567854A CN 113567854 A CN113567854 A CN 113567854A CN 202110994321 A CN202110994321 A CN 202110994321A CN 113567854 A CN113567854 A CN 113567854A
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- 230000005540 biological transmission Effects 0.000 claims description 27
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- 230000009191 jumping Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
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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
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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
- G01R31/3275—Fault detection or status indication
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- General Physics & Mathematics (AREA)
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides a remote tripping device and a high-voltage circuit breaker overhauling method, which are used for solving the technical problems of poor safety of overhauling equipment, complex operation, poor portability and low overhauling fault speed of the high-voltage circuit breaker of the conventional high-voltage circuit breaker. According to the invention, the high-voltage circuit breaker is switched off by arranging the movable automatic maintenance equipment, so that the safety of operating personnel is ensured, the construction efficiency is high, the operation is convenient, and a targeted high-voltage circuit breaker fault detection data matching method is arranged, so that the fault types of the high-voltage circuit breaker can be quickly matched, faults such as switching-off and the like are solved preferentially, the maintenance effect is improved, the safety of a line is ensured, and the construction cost is reduced. According to the invention, the acquired detection data is screened through the preset fault classification model of the high-voltage circuit breaker, whether a remote tripping device is needed to operate or not is judged in a targeted manner, the automatic judgment saves time, the efficiency of solving the fault is further improved, and the fault loss is reduced.
Description
Technical Field
The invention relates to the technical field of transformer substation maintenance, in particular to a remote tripping device and a high-voltage circuit breaker overhauling method.
Background
The high-voltage circuit breaker is important equipment of a transformer substation and is used for cutting off and connecting a load circuit and cutting off a fault circuit, so that the accident is prevented from being enlarged, and the safe operation is ensured. The method is widely applied to power grids of 10kV, 35kV, 110kV and the like at all levels. Whether the power supply device is normally operated or not directly influences the reliable and continuous power supply of residential power consumption and industrial and commercial power consumption. However, when an abnormal fault affecting the opening of the high-voltage circuit breaker occurs, power transformation operation and maintenance personnel, maintenance personnel and dispatching personnel need to immediately process the abnormal fault, so that the expansion of accidents is prevented, and the stability of a power grid is prevented from being affected. The occurrence of such a failure must be immediately taken out of power.
The switch rejection is a typical fault of the high-voltage circuit breaker, namely that the monitoring background cannot normally control the switch-off. Once such a fault occurs in a switch in operation, huge potential safety hazards exist, even the accident range is enlarged, and emergency treatment is needed. The abnormal high-voltage circuit breaker must be powered off when the fault is processed. The power failure mode of the existing high-voltage circuit breaker has three types: firstly, the remote control is opened brake, and operating personnel sends the instruction at the back platform machine, and the remote messenger high voltage circuit breaker opens brake. When the breaker failure occurs, the remote normal opening fails. And secondly, on-site emergency brake opening is carried out, and operation and maintenance personnel press a trip button of the circuit breaker on the site of the circuit breaker, so that the site operation is forbidden due to personal danger. And thirdly, the bus connected with the fault circuit breaker and all other circuits on the bus are powered off through the power failure of the previous-stage bus, and then disconnecting switches on two sides of the fault circuit breaker are pulled open to isolate the power failure. The third method can guarantee the safety of various operators to the maximum extent, but has a disadvantage that all other lines on the bus have power failure, the power failure range is expanded, and the electricity consumption of residents, industry and business in relevant areas is influenced, which does not accord with the service purpose and idea of national network companies.
In the maintenance process of the existing high-voltage circuit breaker, a data center can acquire various fault data, and the monitoring background cannot normally open the high-voltage circuit breaker to solve the problem urgently, so that an operator needs a device capable of safely solving the fault and an overhauling method capable of quickly acquiring the fault data.
Disclosure of Invention
Aiming at the technical problems of poor safety of maintenance equipment, complex operation, poor portability and low maintenance fault speed of the high-voltage circuit breaker in the prior art, the invention provides a remote tripping device and a maintenance method of the high-voltage circuit breaker.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a remote tripping device is used for tripping a high-voltage circuit breaker when the high-voltage circuit breaker fails and comprises a movable supporting mechanism, a transmission adjusting mechanism, a tripping mechanism, an image acquisition mechanism and a remote control mechanism, wherein one end of the transmission adjusting mechanism is fixed on the movable supporting mechanism, the other end of the transmission adjusting mechanism is fixedly connected with the end part of the tripping mechanism, the image acquisition mechanism is installed on the tripping mechanism, and the remote control mechanism is respectively in wireless connection with the image acquisition mechanism, the tripping mechanism and the transmission adjusting mechanism.
Further, transmission adjustment mechanism includes the regulation connecting rod, rotatory buckle and rotary motor, the quantity of regulation connecting rod is two at least, be connected through rotatory buckle between the regulation connecting rod, wherein the regulation connecting rod and the removal supporting mechanism fixed connection of one end, wherein the regulation connecting rod of the other end is connected with the mechanism of beating, rotary motor installs on rotatory buckle and rotary motor is connected with rotatory buckle, rotary motor embeds there is wireless controller, rotary motor passes through wireless controller and remote control mechanism wireless connection.
Furthermore, the movable supporting mechanism comprises a movable wheel, a supporting plate and a movable motor, the movable wheel is arranged on the side edge of the supporting plate and connected with the movable wheel through a connecting shaft, the movable motor is installed on one side of the supporting plate and connected with the connecting shaft, the movable motor is in wireless connection with the remote control mechanism, and the adjusting connecting rod is fixedly installed on the supporting plate.
Furthermore, beat the mechanism and include driving motor, flexible catch bar and motor control box, driving motor's one end is connected with adjusting the connecting rod, and flexible catch bar is installed and is connected with driving motor at the upside of driving motor's the other end and flexible catch bar, and motor control box installs and is connected with driving motor at the downside of driving motor's the other end and motor control box, is provided with the camera in the motor control box, and motor control box and remote control mechanism wireless connection.
Furthermore, the remote control mechanism comprises a remote control panel and a display screen, the display screen is installed on the remote control panel, and the remote control panel is connected with the rotary motor, the mobile motor and the motor control box through a built-in wireless transmission control module.
A maintenance method of a high-voltage circuit breaker is characterized in that faults needing to be separated are quickly screened through automatic fault classification, and a remote tripping device is used for maintaining the separated brake, and comprises the following steps:
s1, acquiring detection data of various types of high-voltage circuit breakers during historical maintenance, classifying the detection data according to fault types in the high-voltage circuit breaker historical maintenance data, and establishing a high-voltage circuit breaker fault classification model;
s2, setting the fault type needing to use the remote tripping device as a type A fault;
s3, acquiring detection data of the high-voltage circuit breaker to be maintained, and inputting the detection data into the high-voltage circuit breaker fault classification model to acquire a fault type;
s4, judging whether the fault type belongs to the A-type fault, if so, entering the step S5, otherwise, ending the maintenance, and entering the step S3;
s5, matching fault types according to the stored model data of the remote tripping device, selecting the remote tripping device, carrying the remote tripping device by an operator to go to a fault place of the high-voltage circuit breaker for maintenance, and entering the step S3;
and S6, when the operator arrives at the fault place of the high-voltage circuit breaker, the remote control panel is used for remotely controlling the remote tripping device to move to the working position, the transmission adjusting mechanism is controlled to move the tripping mechanism to the working position according to the image transmitted to the display screen by the camera, and the tripping mechanism is controlled to open the switch of the high-voltage circuit breaker.
Further, the detection data in step S1 and step S3 include closing time, opening time, closing velocity, opening velocity, three-phase different degrees, same-phase different degrees, short gold time, no-current time, maximum moving contact velocity, average moving contact velocity, moving contact action time, bounce times, bounce maximum amplitude, opening and closing stroke, opening and closing process current waveform curve, time velocity stroke dynamic curve in the opening and closing stroke of the moving contact, opening distance, and contact resistance.
Further, the type a fault in step S2 includes a rejection score, and the method for setting the type of the fault requiring the use of the remote trip device as the type a fault in step S2 includes the following steps:
y1, acquiring detection data of the high-voltage circuit breaker retired due to the A-type faults during historical maintenance and classifying the detection data into comparison data of the A-type fault data, wherein the high-voltage circuit breaker retired due to the A-type faults is a high-voltage circuit breaker which has damaged parts and cannot be reused;
y2, acquiring the running high-voltage circuit breaker with the A-type fault, decommissioning the high-voltage circuit breaker, detecting the high-voltage circuit breaker, and acquiring detection data under the A-type fault as comparison data of the A-type fault data, wherein the high-voltage circuit breaker with the A-type fault is a high-voltage circuit breaker which has the A-type fault and can still be used continuously;
y3, acquiring a normally working high-voltage circuit breaker, manually setting the high-voltage circuit breaker as a type A fault, and acquiring detection data serving as comparison data of the type A fault data;
and Y4, setting the judgment standard of the A-type fault data in the high-voltage circuit breaker fault classification model according to the comparison data of the A-type fault data in the step Y1, the step Y2 and the step Y3.
Further, in step Y3, the method for acquiring the detection data by artificially setting the type a fault includes: and detecting the high-voltage circuit breaker, and sequentially selecting one maintenance requirement to enable the high-voltage circuit breaker to be in the A-type fault and acquire detection data according to the maintenance requirement of the high-voltage circuit breaker.
The invention has the beneficial effects that:
1. according to the remote tripping device, the movable automatic maintenance equipment is arranged to open the brake of the high-voltage circuit breaker, so that the safety of operating personnel is guaranteed, the construction efficiency is high, the operation is convenient, a targeted high-voltage circuit breaker fault detection data matching method is arranged, the fault type of the high-voltage circuit breaker can be quickly matched, faults such as open brake and the like are solved preferentially, the maintenance effect is improved, the line safety is guaranteed, and the construction cost is reduced.
2. According to the method for detecting the high-voltage circuit breaker, the acquired detection data are screened through the preset high-voltage circuit breaker fault classification model, whether a remote tripping device is needed to operate or not is judged in a targeted manner, time is saved through automatic judgment, the efficiency of solving faults is further improved, and fault loss is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a flowchart of a detection method in embodiment 2 of the present invention.
In the figure, 1-an adjusting connecting rod, 2-a rotating buckle, 3-a rotating motor, 4-a moving wheel, 5-a supporting plate, 6-a moving motor, 7-a driving motor, 8-a telescopic pushing rod, 9-a motor control box, 10-a remote control panel and 11-a display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment 1 provides a remote tripping device for tripping a high-voltage circuit breaker in a fault, which comprises a movable supporting mechanism, a transmission adjusting mechanism, a tripping mechanism, an image acquiring mechanism and a remote control mechanism, wherein one end of the transmission adjusting mechanism is fixed on the movable supporting mechanism, the other end of the transmission adjusting mechanism is fixedly connected with the end part of the tripping mechanism, the image acquiring mechanism is installed on the tripping mechanism, and the remote control mechanism is respectively in wireless connection with the image acquiring mechanism, the tripping mechanism and the transmission adjusting mechanism. When the high-voltage circuit breaker is in failure and cannot be subjected to brake opening through background remote control, an operator needs to go to a failure site to perform manual brake opening and power off, and the power off is limited within a controllable range; secondly, the operating personnel uses remote control mechanism to adjust transmission adjustment mechanism, the position relation of beating mechanism and high voltage circuit breaker that acquires through image acquisition mechanism, transmission adjustment mechanism's removal drives and beats the mechanism and remove to suitable position, beat the mechanism and remove, carry out the separating brake with high voltage circuit breaker, realize quick isolation trouble high voltage circuit breaker, avoid the generating line to have a power failure to cause the power failure scope to enlarge, whole process all can be through the long-range remote control operation of operating personnel, need not to be close to the electronic box, the security is high, and automatic machine work degree of accuracy is higher, the efficiency of construction is faster.
It should be noted that, in the present embodiment, a mobile remote trip device is used in consideration of a relatively wide operating space. In other embodiments of the present invention, other support mechanisms such as a clamping support mechanism can be used instead of the movable support mechanism according to the specific situation of the operation space of the operation area, as long as the purpose of the present invention is achieved.
Further, as shown in fig. 1, the transmission adjusting mechanism includes adjusting connecting rods 1, rotating buckles 2 and rotating motors 3, the number of the adjusting connecting rods 1 is at least two, the adjusting connecting rods 1 are connected with each other through the rotating buckles 2, the adjusting connecting rods 1 at one end are fixedly connected with the mobile supporting mechanism, the adjusting connecting rods 1 at the other end are connected with the jumping mechanism, the rotating motors 3 are installed on the rotating buckles 2, the rotating motors 3 are connected with the rotating buckles 2, wireless controllers are arranged in the rotating motors 3, and the rotating motors 3 are wirelessly connected with the remote control mechanism through the wireless controllers. When needing to adjust the position of beating the mechanism of jumping, the operation personnel provide power for rotatory buckle 2's rotation through remote control mechanism remote control rotating motor 3 work, rotating motor 3, adjust the position between connecting rod 1 and change, will beat the mechanism and push away to suitable position, whole process automation operation, simple swift keeps away from the electronic box operation, and the security is high.
It should be noted that, in this embodiment, as shown in fig. 1, the rotating buckle 2 is composed of a rotating rod and a connecting block, the connecting block is movably connected with the supporting block at the end of the adjusting connecting rod 1 through the rotating rod, the rotating motor 3 is connected with the rotating rod, and the rotating motor 3 provides power for the rotation of the rotating rod. In other embodiments of the present invention, other structures such as a C-shaped bayonet and an adjustable universal multi-link may be used instead of the rotating bayonet 2 and the adjusting link 1, as long as the object of the present invention is achieved.
Further, as shown in fig. 1, the movable support mechanism includes a movable wheel 4, a support plate 5 and a movable motor 6, the movable wheel 4 is disposed on the side of the support plate 5 and the movable wheels 4 are connected through a connecting shaft, the movable motor 6 is mounted on one side of the support plate 5 and the movable motor 6 is connected with the connecting shaft, the movable motor 6 is wirelessly connected with the remote control mechanism, and the adjusting link 1 is fixedly mounted on the support plate 5. The operation personnel open the mobile motor 6 through remote control mechanism, and the mobile motor 6 drives the connecting axle rotatory, and the connecting axle drives and removes wheel 4 rotation and then makes 5 back-and-forth movements of backup pad drive whole jump device and remove, can directly operate in the position of keeping away from the electronic box, improves operation personnel's security, and the accessible removes and carries out the operation of transregional, and is portable higher.
It should be noted that, in this embodiment, the mobile motor 6 and the rotating motor 3 are provided with a wireless controller, the mobile controller is a radio frequency communication module, the radio frequency communication module is connected to the mobile motor or a switch of the rotating motor 3, so as to facilitate the remote control mechanism to remotely control the movement of the rotating motor 3 and the mobile motor 6, in other embodiments of the present invention, other structures may be used instead of the rotating motor 3, the mobile motor 6 or the radio frequency communication module, as long as the purpose of the present invention is achieved, of course, in order to provide energy to the rotating motor 3 and the mobile motor 6, the support plate 5 is provided with a power supply, and the power supply is respectively connected to the rotating motor 3 and the mobile motor 6, in other embodiments of the present invention, other structures may be used instead of the power supply, as long as the purpose of the present invention is achieved.
Further, as shown in fig. 1, the jumping mechanism includes a driving motor 7, a telescopic catch bar 8 and a motor control box 9, one end of the driving motor 7 is connected with the adjusting link 1, the telescopic catch bar 8 is installed at the upper side of the other end of the driving motor 7, the telescopic catch bar 8 is connected with the driving motor 7, the motor control box 9 is installed at the lower side of the other end of the driving motor 7, the motor control box 9 is connected with the driving motor 7, a camera is arranged in the motor control box 9, and the motor control box 9 is wirelessly connected with the remote control mechanism. The image transmitted to the remote control mechanism through the built-in camera of the motor control box 9 is adjusted to the transmission adjusting mechanism, when the transmission adjusting mechanism is adjusted to a proper position, the remote control mechanism remotely controls the motor control box 9 to work, the motor control box 9 controls the driving motor 7 to work, the driving motor 7 pushes the telescopic push rod 8 to stretch out, the telescopic push rod 8 presses down a tripping button of the high-voltage circuit breaker, and the opening work of the high-voltage circuit breaker is completed.
It should be noted that, in this embodiment, a power supply, a radio frequency communication module and a motor driving relay module are disposed in the motor control box 9, the radio frequency communication module receives a signal transmitted by the remote control mechanism, the motor driving relay module transmits the signal to the driving motor 7, and the driving motor 7 starts to operate under the condition of power supply from the power supply. In other embodiments of the present invention, other structures may be used instead of the above modules as long as the purpose of the present invention is achieved.
It should be noted that, in this embodiment, the driving motor 7 is a conventional state louis direct current push rod motor, the radio frequency communication module is a tesesky 315m wireless transmission module, the motor driving relay module is a tesesky 1 relay module 5V low level trigger, and the power supply is a 24V rectification power supply.
Further, as shown in fig. 1, the remote control mechanism includes a remote control panel 10 and a display screen 11, the display screen 11 is installed on the remote control panel 10, and the remote control panel 10 is connected to the rotary motor 3, the moving motor 6 and the motor control box 9 through a built-in wireless transmission control module. The remote control panel 10 is provided with control keys corresponding to the rotary motor 3, the moving motor 6 and the motor control box 9, so that operation of operators is facilitated, an image receiving element is arranged in the display screen 11, images transmitted by the camera are conveniently received and displayed on the display screen 11, the positions of the transmission adjusting mechanism and the jumping mechanism are adjusted by the operators, and the effect of accurate operation is achieved.
It should be noted that, in the present embodiment, the remote control panel 10 is a lewis 24V dc push rod remote controller, and in other embodiments of the present invention, other structures may be used as the remote control panel 10 as long as the purpose of the present invention is achieved.
It should be noted that, in other embodiments of the present invention, a sound collection module may be further disposed in the motor control box 9, and is configured to receive sound generated when the trip button is pressed and transmit the sound to the remote control panel 10, so as to facilitate judgment by an operator and improve accuracy of operation.
and S1, acquiring detection data of various types of high-voltage circuit breakers during historical maintenance, classifying the detection data according to fault types in the high-voltage circuit breaker historical maintenance data, and establishing a high-voltage circuit breaker fault classification model. Specifically, detection data obtained in the historical maintenance process are screened, the detection data comprise closing time, opening time, closing speed, opening speed, three-phase different degrees, same-phase different degrees, short gold time, no-current time, maximum speed of a movable contact, average speed of the movable contact, action time of the movable contact, bounce time, bounce times, maximum bounce amplitude, opening and closing stroke, current waveform curve in the opening and closing process, time speed stroke dynamic curve in the opening and closing stroke of the movable contact, opening distance and contact resistance, and detection data corresponding to various faults are screened and integrated to form a fault classification model of the high-voltage circuit breaker.
And S2, setting the fault type needing to use the remote tripping device as a type A fault. Specifically, according to the fault classification model of the high-voltage circuit breaker obtained in step S1, the selection and setting are performed through the following steps: y1, acquiring detection data of the high-voltage circuit breaker retired due to the A-type faults during historical maintenance and classifying the detection data into comparison data of the A-type fault data, wherein the high-voltage circuit breaker retired due to the A-type faults is a high-voltage circuit breaker which has damaged parts and cannot be reused; y2, acquiring the running high-voltage circuit breaker with the A-type fault, decommissioning the high-voltage circuit breaker, detecting the high-voltage circuit breaker, and acquiring detection data under the A-type fault as comparison data of the A-type fault data, wherein the high-voltage circuit breaker with the A-type fault is a high-voltage circuit breaker which has the A-type fault and can still be used continuously; y3, acquiring a normally working high-voltage circuit breaker, manually setting the high-voltage circuit breaker as a type A fault, and acquiring detection data serving as comparison data of the type A fault data; and Y4, setting the judgment standard of the A-type fault data in the high-voltage circuit breaker fault classification model according to the comparison data of the A-type fault data in the step Y1, the step Y2 and the step Y3.
And S3, acquiring detection data of the high-voltage circuit breaker to be maintained, and inputting the detection data into the high-voltage circuit breaker fault classification model to acquire the fault type. Specifically, detection data of a fault location are obtained through a background, wherein the detection data comprise closing time, opening time, closing just speed, opening just speed, three-phase different degrees of synchronism, same-phase different degrees of synchronism, golden short time, no-current time, maximum speed of a movable contact, average speed of the movable contact, action time of the movable contact, bounce time, bounce times, maximum bounce amplitude, opening and closing stroke, a current waveform curve in the opening and closing process, a time speed stroke dynamic curve in the opening and closing stroke of the movable contact, opening distance and contact resistance. And inputting the data into a fault classification model of the high-voltage circuit breaker to be compared with the prestored detection data.
And S4, judging whether the fault type belongs to the A-type fault, if so, going to step S5, otherwise, ending the maintenance, and going to step S3. And comparing the detection data input in the step S4 with the detection data prestored in the fault classification model of the high-voltage circuit breaker to obtain a fault type, entering a next step S5 when the fault type belongs to the A class, and returning to the step S3 to select the detection data of the next fault point for continuous comparison when the fault type does not belong to the A class.
S5, matching fault types according to the stored model data of the remote tripping device, selecting the remote tripping device, carrying the remote tripping device by an operator to go to a fault location of the high-voltage circuit breaker for maintenance, and enabling a fault screening program to enter the step S3. When the fault type belongs to the A class, the remote tripping device is needed to be used, different types of tripping devices are selected according to the specific situation of the fault location, an operator carries the remote tripping device to go to the fault location for rapid operation, the step S6 is entered, and the automatic fault screening program returns to the step S3 to continue to screen the fault detection data acquired by the background.
And S6, when the operator arrives at the fault place of the high-voltage circuit breaker, remotely controlling the remote tripping device to move to the working position by using the remote control panel 10, controlling the transmission adjusting mechanism to move the tripping mechanism to the working position according to the image transmitted to the display screen 11 by the camera, and controlling the tripping mechanism to open the brake of the high-voltage circuit breaker. The operation personnel remote operation carries out the separating brake, and the security is higher, and automatic operation is fast, can reduce the loss.
It should be noted that in this embodiment, the fault that the remote tripping device needs to be used is the rejection, and the rejection is one of typical faults of the high-voltage circuit breaker, that is, the monitoring background cannot normally control the opening. Once such a fault occurs in a switch in operation, huge potential safety hazards exist, even the accident range is enlarged, and emergency treatment is needed. In other embodiments of the invention, the remote tripping device can be used for a fault that the high-voltage circuit breaker needs to be manually opened, and the purpose of the invention can be achieved.
It is worth explaining that, through the detection method of the embodiment, the fault needing to use the remote tripping device can be screened out from a plurality of fault detection data in a targeted manner, so that the operation of the operator in a targeted manner is facilitated, the construction operation efficiency is further improved, the speed is high through a model screening manner, the time is saved, and the loss is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The remote tripping device is used for tripping when a high-voltage circuit breaker fails and is characterized by comprising a movable supporting mechanism, a transmission adjusting mechanism, a tripping mechanism, an image acquisition mechanism and a remote control mechanism, wherein one end of the transmission adjusting mechanism is fixed on the movable supporting mechanism, the other end of the transmission adjusting mechanism is fixedly connected with the end part of the tripping mechanism, the image acquisition mechanism is installed on the tripping mechanism, and the remote control mechanism is respectively in wireless connection with the image acquisition mechanism, the tripping mechanism and the transmission adjusting mechanism.
2. The remote tripping device according to claim 1, wherein the transmission adjusting mechanism comprises at least two adjusting connecting rods (1), a rotating buckle (2) and a rotating motor (3), the adjusting connecting rods (1) are connected through the rotating buckle (2), the adjusting connecting rod (1) at one end is fixedly connected with the mobile supporting mechanism, the adjusting connecting rod (1) at the other end is connected with the tripping mechanism, the rotating motor (3) is installed on the rotating buckle (2) and the rotating motor (3) is connected with the rotating buckle (2), a wireless controller is arranged in the rotating motor (3), and the rotating motor (3) is wirelessly connected with the remote control mechanism through the wireless controller.
3. The remote jumping device according to claim 2, wherein the moving support mechanism comprises moving wheels (4), a support plate (5) and a moving motor (6), the moving wheels (4) are arranged on the side of the support plate (5) and the moving wheels (4) are connected through a connecting shaft, the moving motor (6) is installed on one side of the support plate (5) and the moving motor (6) is connected with the connecting shaft, the moving motor (6) is wirelessly connected with a remote control mechanism, and the adjusting connecting rod (1) is fixedly installed on the support plate (5).
4. The remote tripping device according to claim 2 or 3, wherein the tripping mechanism comprises a driving motor (7), a telescopic pushing rod (8) and a motor control box (9), one end of the driving motor (7) is connected with the adjusting connecting rod (1), the telescopic pushing rod (8) is installed on the upper side of the other end of the driving motor (7) and the telescopic pushing rod (8) is connected with the driving motor (7), the motor control box (9) is installed on the lower side of the other end of the driving motor (7) and the motor control box (9) is connected with the driving motor (7), a camera is arranged in the motor control box (9), and the motor control box (9) is wirelessly connected with the remote control mechanism.
5. The remote jump device according to claim 4, wherein the remote control mechanism comprises a remote control panel (10) and a display screen (11), the display screen (11) is mounted on the remote control panel (10), and the remote control panel (10) is connected with the rotary motor (3), the mobile motor (6) and the motor control box (9) through a built-in wireless transmission control module.
6. The utility model provides a high voltage circuit breaker's maintenance method, through automatic fault classification, the fast screening needs the fault of separating brake, uses long-range trip gear to overhaul the separating brake, its characterized in that includes following step:
s1, acquiring detection data of various types of high-voltage circuit breakers during historical maintenance, classifying the detection data according to fault types in the high-voltage circuit breaker historical maintenance data, and establishing a high-voltage circuit breaker fault classification model;
s2, setting the fault type needing to use the remote tripping device as a type A fault;
s3, acquiring detection data of the high-voltage circuit breaker to be maintained, and inputting the detection data into the high-voltage circuit breaker fault classification model to acquire a fault type;
s4, judging whether the fault type belongs to the A-type fault, if so, entering the step S5, otherwise, ending the maintenance, and entering the step S3;
s5, matching fault types according to the stored model data of the remote tripping device, selecting the remote tripping device, carrying the remote tripping device by an operator to go to a fault location of the high-voltage circuit breaker for maintenance, and enabling a fault screening program to enter the step S3;
s6, when an operator arrives at a fault place of the high-voltage circuit breaker, the remote control panel (10) is used for remotely controlling the remote tripping device to move to a working position, the transmission adjusting mechanism is controlled to move the tripping mechanism to the working position according to the image transmitted to the display screen (11) by the camera, and the tripping mechanism is controlled to open the brake of the high-voltage circuit breaker.
7. The method for overhauling a high-voltage circuit breaker as recited in claim 6, wherein the detection data in the step S1 and the step S3 include closing time, opening time, closing speed, opening speed, three-phase different degrees, same-phase different degrees, golden short time, no-current time, maximum speed of the movable contact, average speed of the movable contact, action time of the movable contact, bounce time, bounce times, bounce maximum amplitude, opening and closing stroke, current waveform curve of opening and closing process, dynamic curve of time speed stroke in opening and closing stroke of the movable contact, opening distance and contact resistance.
8. The method for repairing a high voltage circuit breaker according to claim 6, wherein the class A fault in the step S2 includes rejection, and the method for setting the type of the fault requiring the use of the remote trip device as the class A fault in the step S2 comprises the steps of:
y1, acquiring detection data of the high-voltage circuit breaker retired due to the A-type faults during historical maintenance and classifying the detection data into comparison data of the A-type fault data, wherein the high-voltage circuit breaker retired due to the A-type faults is a high-voltage circuit breaker which has damaged parts and cannot be reused;
y2, acquiring a running high-voltage circuit breaker with an A-type fault, decommissioning the high-voltage circuit breaker, detecting the high-voltage circuit breaker, and acquiring detection data under the A-type fault as comparison data of the A-type fault data, wherein the high-voltage circuit breaker with the A-type fault is a high-voltage circuit breaker which has the A-type fault and can still be used continuously;
y3, acquiring a normally working high-voltage circuit breaker, manually setting the high-voltage circuit breaker as a type A fault, and acquiring detection data serving as comparison data of the type A fault data;
and Y4, setting the judgment standard of the A-type fault data in the high-voltage circuit breaker fault classification model according to the comparison data of the A-type fault data in the step Y1, the step Y2 and the step Y3.
9. The method for detecting a high voltage circuit breaker according to claim 8, wherein the step Y3 is performed by manually setting the method as a class a fault, and the method for obtaining the detection data comprises: and detecting the high-voltage circuit breaker, and sequentially selecting one maintenance requirement to enable the high-voltage circuit breaker to be in the A-type fault and acquire detection data according to the maintenance requirement of the high-voltage circuit breaker.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116298850A (en) * | 2023-03-20 | 2023-06-23 | 浙江正泰电器股份有限公司 | Testing device and testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116298850A (en) * | 2023-03-20 | 2023-06-23 | 浙江正泰电器股份有限公司 | Testing device and testing method |
| CN116298850B (en) * | 2023-03-20 | 2023-11-21 | 浙江正泰电器股份有限公司 | Testing device and testing method |
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