CN115199947B - Fault monitoring device and method for high-voltage power distribution cabinet - Google Patents
Fault monitoring device and method for high-voltage power distribution cabinet Download PDFInfo
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- CN115199947B CN115199947B CN202210859418.2A CN202210859418A CN115199947B CN 115199947 B CN115199947 B CN 115199947B CN 202210859418 A CN202210859418 A CN 202210859418A CN 115199947 B CN115199947 B CN 115199947B
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- pressing
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- pipe
- filter plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
- F16L27/127—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement with means for locking the longitudinal adjustment or movement in the final mounted position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/28—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses for hoses with one end terminating in a radial flange or collar
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cleaning In General (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of fault monitoring of high-voltage power distribution cabinets, in particular to a fault monitoring device and method of a high-voltage power distribution cabinet, which comprises an air outlet pipe, a plurality of gas pipelines, a rotating mechanism, an installation disc, a lifting reciprocating mechanism and a pressing guide pipe.
Description
Technical Field
The invention relates to the field of fault monitoring of high-voltage power distribution cabinets, in particular to a fault monitoring device and method of a high-voltage power distribution cabinet.
Background
The high-voltage power distribution cabinet is also called a high-voltage switch cabinet and is suitable for transformer substations, power plants, industrial and mining enterprises and the like. The device is used for electric energy conversion and control of lighting and power distribution. The product has the characteristics of strong breaking capacity, good dynamic thermal stability, flexible electric scheme introduction, convenient combination, high seriousness, strong practicability and the like.
Chinese patent application No.: CN201610585779.7; the technical scheme includes that an air pump is adopted to pump air in each area of a switch cabinet through an air pipeline, and then concentration changes of O3, NO, N2O, NO2, NO3, CO and N2O5 in the air are detected through an air detector so as to meet requirements for detecting the switch cabinet.
This scheme is through opening and shutting of controller control normally closed solenoid valve, in order to be used for carrying out gas detection to single gas pipeline, and adopt this kind of controller to carry out the mode of control, control process is complicated, and gas pipeline is more, required normally closed solenoid valve is more, will increase the cost, and through set up the filter screen on gas probe, in order to avoid entering into gas detection appearance with preventing solid particulate matter (the solid particulate matter majority here is plastic granules and little sand), can produce in the long-term past and pile up on the filter screen, and then cause the jam to the filter screen, and when clearing up the filter screen through the workman, because all set up the filter screen on every gas probe, will cause great work burden to the workman.
Disclosure of Invention
The invention aims to provide a fault monitoring device and method for a high-voltage power distribution cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
the fault monitoring device for the high-voltage power distribution cabinet comprises an air outlet pipe, a plurality of gas pipelines, a rotating mechanism, an installation disc, a lifting reciprocating mechanism and a pressing guide pipe, wherein one ends of the gas pipelines are fixedly installed on one side of the installation disc, one ends of the gas pipelines are uniformly distributed along the circumferential direction of the installation disc, air guide holes which are in one-to-one correspondence with the gas pipelines are formed in the installation disc, the pressing guide pipe is located on the other side of the installation disc, the pressing guide pipe is fixedly installed on the lifting reciprocating mechanism, the lifting reciprocating mechanism is fixedly installed on the rotating mechanism, and the pressing guide pipe is communicated with the air outlet pipe through a connecting pipeline;
when the rotating mechanism drives the pressing conduit to rotate, the lifting reciprocating mechanism pulls the pressing conduit away from the mounting disc, so that the pressing conduit is originally attached to and separated from the mounting disc;
when the rotating mechanism drives the pressing conduit to rotate to be coaxial with the air guide hole, the lifting reciprocating mechanism pushes the pressing conduit to be close to the mounting disc, so that the pressing conduit is covered on the outer edge of the air guide hole.
Furthermore, a filter plate attached to the inner edge of the compression guide pipe is arranged on the inner side of the compression guide pipe, the filter plate is connected with the compression guide pipe in a sliding mode and can slide along the axial direction of the compression guide pipe, an elastic pushing mechanism used for pushing the filter plate towards the mounting disc is fixedly arranged on the compression guide pipe, at least two limiting stop strips are arranged on one side of the filter plate, and the two limiting stop strips are symmetrically arranged along the central cross section of the filter plate;
when the hold-down tube is pulled by the lifting and reciprocating mechanism to the position farthest away from the mounting disc, the filter plate slides out of the interior of the hold-down tube.
Furthermore, elasticity pushing mechanism includes first conflict spring and guide ring, compresses tightly one of pipe and serves and be provided with the ring flange with connecting tube fixed connection, guide ring fixed mounting in the inboard of ring flange, and first conflict spring housing is established on the outer fringe of guide ring, and first conflict spring is used for exerting the elastic force towards the motion of installation disc to the filter plate.
Furthermore, one side of the filter plate, which is far away from the limit barrier strip, is fixedly provided with an extension strip plate, the end part of the extension strip plate is provided with a limit plate, and the inner edge of the pressing conduit is provided with a strip-shaped sliding chute for the limit plate to slide.
Furthermore, the lifting reciprocating mechanism comprises a butting column, a push ring and an elastic guide sliding seat, the elastic guide sliding seat is fixedly arranged on the rotating mechanism, the pressing guide pipe is fixedly arranged on the elastic guide sliding seat, the elastic guide sliding seat is used for providing elastic force for the pressing guide pipe to move towards the mounting disc, the butting column is fixedly arranged at the outer edge of the pressing guide pipe, one end of the push ring is fixedly arranged on the mounting disc, the other end of the push ring is provided with a plurality of ascending slopes and descending slopes which are uniformly distributed along the circumferential direction of the lifting reciprocating mechanism, a flat slope is arranged between every two adjacent ascending slopes and descending slopes, and the flat slopes are respectively in one-to-one correspondence with the air guide holes;
when the outer edge of the prop post is jointed with the flat slope, the pressing conduit covers the air guide hole, and the end part of the pressing conduit is jointed with the mounting disc;
when the outer edge of the abutting column slides along the ascending slope, the abutting column drives the end part of the pressing conduit to be far away from the mounting disc;
when the outer edge of the support column moves along the descending slope, the support column drives the end part of the pressing conduit to be close to the mounting disc.
Further, the elasticity is led the slide and is included second conflict spring, guide pillar and is led the carriage, leads carriage fixed mounting in rotary mechanism, guide pillar and lead carriage sliding connection, the tip of guide pillar through the connecting plate with compress tightly pipe fixed connection, the second conflict spring is used for providing the elastic force towards the motion of installation disc to compressing tightly the pipe.
Further, the connecting pipeline comprises a connecting hose and a connecting hard pipe, one end of the connecting hose is fixedly connected with the flange plate on the compression guide pipe, the other end of the connecting hose is fixedly connected with one end of the connecting hard pipe, the other end of the connecting hard pipe is attached to one end of the air outlet pipe, and the connecting hard pipe is fixedly connected with the rotating mechanism through a first connecting frame.
Further, rotary mechanism includes swivel mount, swivel, ring gear, gear and driving motor, and the swivel is rotatable installs on the swivel mount, and ring gear fixed mounting is in the one end of swivel, and driving motor fixed mounting drives the ring gear through the gear and rotates, leads balladeur train and first link fixed mounting in the inner edge of swivel.
Furthermore, the installation disc is fixedly provided with a scraping mechanism for scraping the surface of the filter plate, the scraping mechanism comprises a scraper plate, a second connecting frame and an electric push rod, the electric push rod is fixedly installed on the installation disc through a connecting pipe, the output end of the electric push rod is fixedly connected with the second connecting frame, and the scraper plate is fixedly installed on the second connecting frame.
The method for monitoring the fault of the high-voltage power distribution cabinet comprises the following steps:
the method comprises the following steps: starting the air pump, and detecting the region corresponding to the first air pipeline by pumping air;
step two: the rotating mechanism drives the pressing guide pipe to rotate and switch, and is connected with other gas pipelines;
the driving motor is controlled to work, the rotating ring drives the first connecting frame and the guide sliding frame to rotate together,
the first connecting frame drives the connecting hard tube to rotate together,
the guide sliding frame drives the compression guide pipe and the support column to rotate together,
the pressing conduit is switched in rotation,
the abutting column slides along the ascending slope, so that the abutting column drives the end part of the pressing conduit to be far away from the mounting disc, when the abutting column moves to the top of the ascending slope, the distance between the end part of the pressing conduit and the mounting disc is at the farthest position, the abutting column continues to rotate, when the abutting column slides downwards along the descending slope, the end part of the pressing conduit gradually approaches to the mounting disc, and finally the pressing conduit covers the air guide hole;
step three: in the process that the end part of the pressing conduit is far away from the mounting disc in the second step, the first resisting spring pushes the filter plate to be kept at a height position without changing, when the filter plate moves to a position where the distance between the end part of the pressing conduit and the mounting disc is the farthest position, the filter plate slides out of the end part of the pressing conduit, and small sand grains or plastic grains adsorbed on the filter plate can fall off;
step four: after the pressing pipe rotates three circles along the installation disc, the pressing pipe works by controlling the electric push rod to pull the second connecting frame to move, so that the second connecting frame pulls the scraper to move, and the scraper scrapes the surface of the filter plate inside the sliding-out pressing pipe.
The invention has the beneficial effects that: according to the high-voltage power distribution cabinet fault monitoring device and method, the pressing guide pipe is driven by the rotating mechanism to be switched among the air guide holes in the mounting disc, and then connection between the pressing guide pipe and the gas pipelines is switched, so that a normally closed solenoid valve does not need to be arranged, and if more gas pipelines are needed, the number of the air guide holes only needs to be increased on the mounting disc, the cost cannot be increased, the control process is simple, and circuit faults are not prone to occurring.
In the process of switching the pressing guide pipe, the pressing guide pipe moves on the ascending slope, the descending slope and the flat slope through the abutting columns, friction between the pressing guide pipe and the mounting disc is reduced, abrasion is further reduced, the service time of the pressing guide pipe is prolonged, and noise generated when the pressing guide pipe rotates is reduced.
And set up the filter plate on compressing tightly the pipe, do not need to set up the filter screen on every gas probe, when cleaning, only need the workman clean the filter plate can, practiced thrift a large amount of time of workman, and when the support post moves on ascending ramp, descending ramp and flat ramp, when the support post moves to ascending ramp top, the filter plate roll-off compresses tightly the pipe, make to produce the clearance between filter plate and the pipe that compresses tightly, reduce the suction that receives on the filter plate, make originally plastics granule and the little sand of actuation on the filter plate drop, and because the filter plate is located the outside that compresses tightly the pipe, the plastics granule that drops and little sand can not stay compressing tightly the pipe, the self-cleaning of filter plate has been realized.
And set up and scrape clean the mechanism, compress tightly behind the pipe along the rotatory three rings of installation disc (rotatory circle speed is decided according to the environment in installation field), can leave the flock on the filter plate, compress tightly behind the pipe at the filter plate roll-off, drive the scraper blade through controller control electric putter and scrape clean the filter plate surface, realized the further cleanness to the filter plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a partial perspective view of the present invention;
FIG. 4 is a schematic perspective view of the elevating reciprocating mechanism;
FIG. 5 is a partial perspective view of the present invention;
fig. 6 is a schematic partial perspective view of the inside of the pushing and pressing conduit of the filter plate;
FIG. 7 is an enlarged view of a portion of FIG. 5 at A;
fig. 8 is a schematic perspective view of the rotating mechanism;
FIG. 9 is an exploded perspective view of the rotary mechanism;
FIG. 10 is a schematic view of a partial perspective view of the mounting disk in a perspective configuration;
FIG. 11 is a partial enlarged view of FIG. 10 at B;
in the figure: 1. a gas line; 2. an air outlet pipe; 3. a rotation mechanism; 3a, rotating seat; 3b, rotating the ring; 3c, a toothed ring; 3d, gears; 3e, driving a motor; 4. installing a disc; 4a, air vents; 5. a lifting reciprocating mechanism; 5a, a support column; 5b, a push ring; 5b1, ascending a slope; 5b2, descending a slope; 5b3, leveling a slope; 5c, an elastic guide sliding seat; 5c1, a second resisting spring; 5c2, guide posts; 5c3, a sliding guide frame; 6. compressing the conduit; 7. an elastic pushing mechanism; 7a, a first resisting spring; 7b, a guide ring; 8. filtering a plate; 8a, an extension strip plate; 8b, a limiting plate; 9. a limiting barrier strip; 10. a connecting hose; 11. connecting a hard pipe; 12. a first connecting frame; 13. a scraping mechanism; 13a, a scraper; 13b, a second connecting frame; 13c, an electric push rod.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
The first embodiment is as follows:
referring to fig. 1 to 3, the high voltage distribution cabinet fault monitoring device and method includes an air outlet pipe 2 and a plurality of gas pipelines 1, and further includes a rotating mechanism 3, an installation disc 4, a lifting reciprocating mechanism 5 and a pressing conduit 6, wherein one end of each of the plurality of gas pipelines 1 is fixedly installed on one side of the installation disc 4, and one end of each of the plurality of gas pipelines 1 is uniformly distributed along the circumferential direction of the installation disc 4, the installation disc 4 is provided with gas guide holes 4a corresponding to the plurality of gas pipelines 1 one by one, the pressing conduit 6 is located on the other side of the installation disc 4, the pressing conduit 6 is fixedly installed on the lifting reciprocating mechanism 5, the lifting reciprocating mechanism 5 is fixedly installed on the rotating mechanism 3, and the pressing conduit 6 is communicated with the air outlet pipe 2 through a connecting pipe;
when the rotating mechanism 3 drives the pressing conduit 6 to rotate, the lifting reciprocating mechanism 5 pulls the pressing conduit 6 to be far away from the mounting disc 4, so that the pressing conduit 6 is originally attached to and separated from the mounting disc 4, and excessive abrasion between the pressing conduit 6 and the end part of the pressing conduit 6 and the mounting disc 4 in the rotating process of the pressing conduit 6 is avoided, and the pressing conduit 6 and the mounting disc 4 are difficult to be attached tightly;
when the rotating mechanism 3 drives the pressing conduit 6 to rotate to be coaxial with the air guide hole 4a, the lifting reciprocating mechanism 5 pushes the pressing conduit 6 to be close to the mounting disc 4, so that the pressing conduit 6 is covered on the outer edge of the air guide hole 4a, and gas exhausted from the gas pipeline 1 enters the pressing conduit 6 through the air guide hole 4a and then enters the gas outlet pipe 2 along the pressing conduit 6 and the connecting pipeline. The lifting reciprocating mechanism 5 can be an electric push rod which is fixedly arranged on the rotating mechanism 3, the output end of the electric push rod is fixedly connected with the pressing conduit 6, and the pressing conduit 6 is controlled to be close to or far away from the mounting disc 4 by controlling the output end of the electric push rod.
In the present invention, as shown in fig. 4 and 5, a filter plate 8 attached to an inner edge of a pressing conduit 6 is disposed on an inner side of the pressing conduit 6, and the filter plate 8 is slidably connected to the pressing conduit 6 and can slide along an axial direction of the pressing conduit 6, an elastic pushing mechanism 7 for pushing the filter plate 8 toward the mounting disc 4 is fixedly disposed on the pressing conduit 6, at least two limiting barrier strips 9 are disposed on one side of the filter plate 8, the two limiting barrier strips 9 are symmetrically disposed along a central cross section of the filter plate 8, and at least two limiting barrier strips 9 are disposed, so that when one limiting barrier strip 9 is to be inserted into the air guide hole 4a during circumferential rotation of the pressing conduit 6, due to a supporting effect of the other limiting barrier strip 9, the limiting barrier strip 9 is not inserted into the air guide hole 4a, and it is avoided that the pressing conduit 6 cannot rotate continuously due to clamping caused when the limiting barrier strip 9 is inserted into the air guide hole 4a, and the inner edges of the two limiting barrier strips 9 are larger than the outer edge of the air guide hole 4 a;
as shown in fig. 6, when the pressing pipe 6 is pulled to a position farthest from the mounting disc 4 by the lifting and reciprocating mechanism 5, the filter plate 8 slides out of the inside of the pressing pipe 6, and slides out of the inside of the pressing pipe 6 through the filter plate 8 (the sliding-out process of the filter plate 8 is that the pressing pipe 6 moves, and the distance between the filter plate 8 and the mounting disc 4 is not changed), so that a gap will be generated between the right end of the filter plate 8 and the end of the pressing pipe 6, and the pressing pipe 6 is still sucked by the pump body at this time, through the gap at this position, the air flow sucked by the pressing pipe 6 will not only pass through the filter plate 8, and will be sucked along the gap at this position, so that the suction force on the left end face of the filter plate 8 is reduced, the small sand or plastic particles that would be sucked originally will fall off, because the filter plate 8 is not inside the pressing pipe 6, the small sand or plastic particles that fall off will not remain inside the pressing pipe 6, the left side of the filter plate 8 is the side where the filter plate 8 is fixedly connected with the limiting barrier 9, and the right side of the filter plate 8 is the side away from the limiting barrier 9. Through setting up spacing blend stop 9, when the tip that compresses tightly pipe 6 and installation disc 4 laminating, leave the clearance between the tip of filter plate 8 and the tip that compresses tightly pipe 6, and the clearance of this department is for storing little sand grain or plastic granules, at the in-process that compresses tightly 6 tip of pipe and keep away from installation disc 4, the state that elasticity pushing mechanism 7 originally compressed will release, make elasticity pushing mechanism 7 promote filter plate 8 and move, make the outside that 8 roll-offs of filter plate compressed tightly pipe 6.
In the present invention, as shown in fig. 5, the elastic pushing mechanism 7 includes a first abutting spring 7a and a guide ring 7b, a flange fixedly connected to the connecting pipe is disposed at one end of the pressing pipe 6, the guide ring 7b is fixedly installed at an inner side of the flange, the first abutting spring 7a is sleeved on an outer edge of the guide ring 7b, and the first abutting spring 7a is used for applying an elastic force to the filter plate 8, which moves toward the installation disc 4. One end of the first abutting spring 7a abuts against the flange plate, the other end of the first abutting spring 7a abuts against the filter plate 8, the first abutting spring 7a is guided through the guide ring 7b, and the first abutting spring 7a is prevented from shaking inside the compression guide pipe 6.
In the invention, as shown in fig. 7, an extension strip 8a is fixedly arranged on one side of the filter plate 8 away from the limit barrier 9, a limit plate 8b is arranged at the end of the extension strip 8a, and a strip-shaped chute for the limit plate 8b to slide is arranged on the inner edge of the pressing conduit 6. By providing the extension strips 8a, when the stopper plate 8b comes into contact with the bottom of the bar-shaped chute, the filter sheet 8 slides out of the inside of the hold-down pipe 6, thereby creating a gap between the end of the filter sheet 8 and the end of the hold-down pipe 6.
In the invention, as shown in fig. 3 and 4, the lifting reciprocating mechanism 5 includes a support column 5a, a push ring 5b and an elastic guide slide 5c, the elastic guide slide 5c is fixedly installed on the rotating mechanism 3, the pressing conduit 6 is fixedly installed on the elastic guide slide 5c, the elastic guide slide 5c is used for providing an elastic force for the pressing conduit 6 to move towards the installation disc 4, the support column 5a is fixedly installed on the outer edge of the pressing conduit 6, one end of the push ring 5b is fixedly installed on the installation disc 4, the other end of the push ring 5b is provided with a plurality of ascending slopes 5b1 and descending slopes 5b2 which are uniformly distributed along the circumferential direction of the lifting reciprocating mechanism 5, a flat slope 5b3 is arranged between every two adjacent ascending slopes and descending slopes, and the plurality of flat slopes 5b3 are respectively in one-to-one correspondence with the plurality of air guide holes 4 a;
when the outer edge of the abutting column 5a is attached to the flat slope 5b3, the pressing conduit 6 covers the air guide hole 4a, and the end part of the pressing conduit 6 is attached to the mounting disc 4;
when the outer edge of the prop 5a slides along the ramp 5b1, the prop 5a drives the end of the pressing conduit 6 to be far away from the mounting disc 4;
when the outer edge of the prop 5a moves along the descending ramp 5b2, the prop 5a brings the end of the pressing conduit 6 close to the mounting disc 4.
When the rotating mechanism 3 drives the pressing conduit 6 to rotate, the pressing conduit 6 drives the abutting column 5a to rotate together, the abutting column 5a originally attached to the flat slope 5b3 slides along the rising slope 5b1, so that the abutting column 5a drives the end of the pressing conduit 6 to be far away from the installation disc 4, when the abutting column 5a moves to the topmost part of the rising slope 5b1, the distance between the end of the pressing conduit 6 and the installation disc 4 is at the farthest position, in the process that the end of the pressing conduit 6 is far away from the installation disc 4, the first abutting spring 7a pushes the filter plate 8 to be kept at the height position without changing, and when the end of the pressing conduit 6 is moved to the farthest position, the filter plate 8 slides out of the end of the pressing conduit 6.
When the prop 5a slides down the descending ramp 5b2, the end of the pressing conduit 6 will gradually approach the mounting disc 4, eventually making the pressing conduit 6 cover the air-guiding hole 4 a.
Through the process, when the rotating mechanism 3 drives the pressing conduit 6 to rotate, the pressing conduit 6 is synchronously moved up and down without being controlled and driven by an electric push rod, so that the switching process of the pressing conduit 6 is smoother and quicker.
In the present invention, as shown in fig. 4, the elastic guide 5c includes a second abutting spring 5c1, a guide post 5c2 and a guide carriage 5c3, the guide carriage 5c3 is fixedly mounted on the rotating mechanism 3, the guide post 5c2 is slidably connected with the guide carriage 5c3, an end of the guide post 5c2 is fixedly connected with the pressing guide 6 through a connecting plate, and the second abutting spring 5c1 is used for providing an elastic force to the pressing guide 6 moving toward the mounting disc 4. When keeping away from installation disc 4 at the tip that compresses tightly pipe 6, compress tightly pipe 6 and will drive guide pillar 5c2 through the connecting plate and move for second conflict spring 5c1 is compressed, when supporting post 5a when sliding on downhill path 5b2, second conflict spring 5c1 will carry out elastic recovery, makes second conflict spring 5c1 promote the connecting plate, and the connecting plate drives and compresses tightly pipe 6 and moves towards installation disc 4.
In the invention, as shown in fig. 1, the connecting pipeline includes a connecting hose 10 and a connecting hard pipe 11, one end of the connecting hose 10 is fixedly connected with the flange on the pressing conduit 6, the other end of the connecting hose 10 is fixedly connected with one end of the connecting hard pipe 11, the other end of the connecting hard pipe 11 is attached to one end of the air outlet pipe 2, and the connecting hard pipe 11 is fixedly connected with the rotating mechanism 3 through a first connecting frame 12. The rotating mechanism 3 rotates, the rotating mechanism 3 drives the first connecting frame 12 to rotate, the first connecting frame 12 drives the connecting hard pipe 11 to rotate together, and the connecting hose 10 is prevented from rotating and mixing when the connecting hard pipe 11 does not rotate.
And the connecting hose 10 is of a hose structure, so that when the pressing pipe 6 is close to or far away from the mounting disc 4, one end of the connecting hose 10 can be driven to move, and the phenomenon that when the connecting hose 10 is of a hard pipe structure, the end part of the connecting hose 10 cannot move to cause the pressing pipe 6 to cannot move is avoided.
In the present invention, as shown in fig. 4, 8 and 9, the rotating mechanism 3 includes a rotating base 3a, a rotating ring 3b, a toothed ring 3c, a gear 3d and a driving motor 3e, the rotating ring 3b is rotatably mounted on the rotating base 3a, the toothed ring 3c is fixedly mounted at one end of the rotating ring 3b, the driving motor 3e is fixedly mounted on the rotating base 3a, the driving motor 3e drives the toothed ring 3c to rotate through the gear 3d, and the slide guide 5c3 and the first connecting frame 12 are fixedly mounted at the inner edge of the rotating ring 3b. Rotate through control driving motor 3e, driving motor 3e will drive gear 3d and rotate, gear 3d will drive ring gear 3c through the meshing and rotate for ring gear 3c drives swivel 3b and rotates, swivel 3b will rotate on swivel mount 3a, make swivel 3b drive first link 12 and lead balladeur train 5c3 and carry out together rotatory, driving motor 3e adopts the servo motor who drives the encoder.
The mounting disc 4 is fixedly mounted on the rotary seat 3a through the connecting frame, the connecting position of the connecting frame and the mounting disc 4 is located on the side face of the bottom end of the mounting disc 4, and the side face of the connecting frame is the side, away from the air outlet pipe 2, of the mounting disc 4 so as to avoid collision with the guide sliding frame 5c3 in the rotating process.
The second embodiment:
a modified solution is proposed, which is different from the first embodiment, as shown in fig. 2, fig. 10 and fig. 11, a scraping mechanism 13 for scraping the surface of the filter plate 8 is fixedly arranged on the mounting disc 4, the scraping mechanism 13 includes a scraping plate 13a, a second connecting frame 13b and an electric push rod 13c, the electric push rod 13c is fixedly arranged on the mounting disc 4 through a connecting pipe, an output end of the electric push rod 13c is fixedly connected with the second connecting frame 13b, and the scraping plate 13a is fixedly arranged on the second connecting frame 13b. When the pressing conduit 6 rotates three circles along the installation disc 4, the number of the circles can be more, the setting can be performed as required, the electric push rod 13c is controlled by the controller to work, the electric push rod 13c pulls the second connecting frame 13b to move, so that the second connecting frame 13b pulls the scraper 13a to move, an avoiding gap for the second connecting frame 13b to pass through is formed in the installation disc 4, the width of the avoiding gap is smaller than the distance between the two limiting barrier strips 9, the two limiting barrier strips 9 are prevented from being simultaneously inserted into the avoiding gap, the scraper 13a scrapes the surface of the filter plate 8 sliding out of the inside of the pressing conduit 6, a large amount of flocks or scraps are prevented from being accumulated on the surface of the filter plate 8, in the scraping process of the scraper 13a along the filter plate 8, flocks and scraps on the surface of the scraper 13a can be scraped and accumulated, and the piled flocks can be sucked into the pressing conduit 6 along the gap between the filter plate 8 and the pressing conduit 6 due to increase in volume;
and an electric control mode can be adopted, the air pump connected with the air outlet pipe 2 is controlled by the controller to stop working, and the air pump can be prevented from being sucked into the pressing conduit 6.
The embodiment also discloses a method for adopting the fault monitoring device for the high-voltage power distribution cabinet, which comprises the following steps:
when needs detect the internal gas content of a plurality of cabinets, the earlier control is bled the work with the pump body that outlet duct 2 is connected, make the gas in the switch board extracted, gas will be along gas piping 1 suction, it enters into to compress tightly pipe 6 inside to pass gas guide hole 4a again, it enters into coupling hose 10 and connects hard tube 11 inside to compress tightly pipe 6 again, at last along connecting hard tube 11 entering into outlet duct 2 in, then it detects to enter into gas detection appearance again, gas after the detection will be along being pumped the switch board outside by the air pump, gas will purify through waste gas filter before taking out.
After the area corresponding to the first gas pipeline 1 is exhausted and detected, the controller controls the driving motor 3e to work, the driving motor 3e drives the gear 3d to rotate, the gear 3d drives the gear ring 3c to rotate through meshing, the gear ring 3c drives the rotating ring 3b to rotate, the rotating ring 3b rotates on the rotating seat 3a, and the rotating ring 3b drives the first connecting frame 12 and the guide sliding frame 5c3 to rotate together.
The rotating ring 3b drives the first connecting frame 12 to rotate, and the first connecting frame 12 drives the connecting hard tube 11 to rotate together.
When the guide sliding frame 5c3 rotates, as shown in fig. 4, the guide sliding frame 5c3 drives the pressing conduit 6 and the prop 5a to rotate together, so that the pressing conduit 6 is rotated and switched, and when the pressing conduit 6 is rotated and switched, the prop 5a originally attached to the flat slope 5b3 slides along the ascending slope 5b1, so that the prop 5a drives the end of the pressing conduit 6 to be far away from the mounting disc 4, and when the prop 5a moves to the topmost part of the ascending slope 5b1, the distance between the end of the pressing conduit 6 and the mounting disc 4 is at the farthest position.
While the first abutment spring 7a will keep the filter plate 8 in the height position unchanged during the movement of the end of the pressure conduit 6 away from the mounting disc 4, the filter plate 8 will slide out of the end of the pressure conduit 6 when moved to the position in which the distance between the end of the pressure conduit 6 and the mounting disc 4 is at its greatest.
Due to the continuous rotation of the support pillar 5a, when the support pillar 5a slides down along the descending ramp 5b2, the end of the pressing conduit 6 gradually approaches the mounting disc 4, and finally the pressing conduit 6 covers the air-guide holes 4a, so that the pressing conduit 6 is switched from one air-guide hole 4a to another air-guide hole 4 a.
After the pressing pipe 6 rotates three times along the installation disc 4, the electric push rod 13c is controlled by the controller to work, the electric push rod 13c pulls the second connecting frame 13b to move, so that the second connecting frame 13b pulls the scraper 13a to move, and the scraper 13a scrapes the surface of the filter plate 8 sliding out of the pressing pipe 6.
Claims (9)
1. The high-voltage power distribution cabinet fault monitoring device comprises an air outlet pipe (2) and a plurality of gas pipelines (1), and is characterized by further comprising a rotating mechanism (3), an installation disc (4), a lifting reciprocating mechanism (5) and a pressing guide pipe (6), wherein one ends of the plurality of gas pipelines (1) are fixedly installed on one side of the installation disc (4), one ends of the plurality of gas pipelines (1) are uniformly distributed along the circumferential direction of the installation disc (4), the installation disc (4) is provided with gas guide holes (4 a) corresponding to the plurality of gas pipelines (1) one by one, the pressing guide pipe (6) is located on the other side of the installation disc (4), the pressing guide pipe (6) is fixedly installed on the lifting reciprocating mechanism (5), the lifting reciprocating mechanism (5) is fixedly installed on the rotating mechanism (3), and the pressing guide pipe (6) is communicated with the air outlet pipe (2) through a connecting pipeline;
when the rotating mechanism (3) drives the pressing conduit (6) to rotate, the lifting reciprocating mechanism (5) pulls the pressing conduit (6) to be far away from the mounting disc (4), so that the pressing conduit (6) is originally attached to and separated from the mounting disc (4);
when the rotating mechanism (3) drives the pressing conduit (6) to rotate to be coaxial with the air guide hole (4 a), the lifting reciprocating mechanism (5) pushes the pressing conduit (6) to be close to the mounting disc (4), so that the pressing conduit (6) is covered on the outer edge of the air guide hole (4 a);
the lifting reciprocating mechanism (5) comprises a support column (5 a), a push ring (5 b) and an elastic guide sliding seat (5 c), the elastic guide sliding seat (5 c) is fixedly installed on the rotating mechanism (3), the pressing conduit (6) is fixedly installed on the elastic guide sliding seat (5 c), the elastic guide sliding seat (5 c) is used for providing elastic force for the pressing conduit (6) to move towards the installation disc (4), the support column (5 a) is fixedly installed at the outer edge of the pressing conduit (6), one end of the push ring (5 b) is fixedly installed on the installation disc (4), the other end of the push ring (5 b) is provided with a plurality of ascending ramps (5 b 1) and a plurality of descending ramps (5 b 2) which are uniformly distributed along the circumferential direction of the lifting reciprocating mechanism (5), a flat ramp (5 b 3) is arranged between every two adjacent ascending ramps and descending ramps, and the flat ramps (5 b 3) correspond to the air guide holes (4 a) one by one;
when the outer edge of the abutting column (5 a) is attached to the flat slope (5 b 3), the pressing conduit (6) covers the air guide hole (4 a), and the end part of the pressing conduit (6) is attached to the mounting disc (4);
when the outer edge of the abutting column (5 a) slides along the rising ramp (5 b 1), the abutting column (5 a) drives the end part of the pressing conduit (6) to be far away from the mounting disc (4);
when the outer edge of the prop (5 a) moves along the descending ramp (5 b 2), the prop (5 a) drives the end part of the pressing conduit (6) to be close to the mounting disc (4).
2. The high-voltage power distribution cabinet fault monitoring device according to claim 1, wherein a filter plate (8) attached to the inner edge of the compression guide pipe (6) is arranged on the inner side of the compression guide pipe (6), the filter plate (8) is connected with the compression guide pipe (6) in a sliding manner and can slide along the axial direction of the compression guide pipe (6), an elastic pushing mechanism (7) used for pushing the filter plate (8) towards the mounting disc (4) is fixedly arranged on the compression guide pipe (6), at least two limiting blocking strips (9) are arranged on one side of the filter plate (8), and the two limiting blocking strips (9) are symmetrically arranged along the central cross section of the filter plate (8);
when the pressing conduit (6) is pulled to the position farthest away from the mounting disc (4) by the lifting reciprocating mechanism (5), the filter plate (8) slides out of the pressing conduit (6).
3. The high-voltage power distribution cabinet fault monitoring device according to claim 2, wherein the elastic pushing mechanism (7) comprises a first abutting spring (7 a) and a guide ring (7 b), a flange fixedly connected with the connecting pipeline is arranged at one end of the pressing guide pipe (6), the guide ring (7 b) is fixedly installed at the inner side of the flange, the first abutting spring (7 a) is sleeved on the outer edge of the guide ring (7 b), and the first abutting spring (7 a) is used for applying an elastic force to the filter plate (8) and moving towards the installation disc (4).
4. A high voltage distribution cabinet fault monitoring device according to claim 2 or 3, characterized in that one side of the filter plate (8) away from the limit stop bar (9) is fixedly provided with an extension strip (8 a), the end of the extension strip (8 a) is provided with a limit plate (8 b), and the inner edge of the pressing conduit (6) is provided with a strip chute for the limit plate (8 b) to slide.
5. The high voltage distribution cabinet fault monitoring device according to claim 4, wherein the elastic guide sliding seat (5 c) comprises a second abutting spring (5 c 1), a guide pillar (5 c 2) and a guide sliding frame (5 c 3), the guide sliding frame (5 c 3) is fixedly installed on the rotating mechanism (3), the guide pillar (5 c 2) is slidably connected with the guide sliding frame (5 c 3), the end of the guide pillar (5 c 2) is fixedly connected with the pressing guide pipe (6) through a connecting plate, and the second abutting spring (5 c 1) is used for providing an elastic force for the pressing guide pipe (6) to move towards the installation disc (4).
6. The high-voltage power distribution cabinet fault monitoring device according to claim 5, wherein the connecting pipeline comprises a connecting hose (10) and a connecting hard pipe (11), one end of the connecting hose (10) is fixedly connected with a flange on the pressing conduit (6), the other end of the connecting hose (10) is fixedly connected with one end of the connecting hard pipe (11), the other end of the connecting hard pipe (11) is attached to one end of the air outlet pipe (2), and the connecting hard pipe (11) is fixedly connected with the rotating mechanism (3) through a first connecting frame (12).
7. The fault monitoring device for the high-voltage distribution cabinet according to claim 6, wherein the rotating mechanism (3) comprises a rotating base (3 a), a rotating ring (3 b), a toothed ring (3 c), a gear (3 d) and a driving motor (3 e), the rotating ring (3 b) is rotatably mounted on the rotating base (3 a), the toothed ring (3 c) is fixedly mounted at one end of the rotating ring (3 b), the driving motor (3 e) is fixedly mounted on the rotating base (3 a), the driving motor (3 e) drives the toothed ring (3 c) to rotate through the gear (3 d), and the guide sliding frame (5 c 3) and the first connecting frame (12) are fixedly mounted on the inner edge of the rotating ring (3 b).
8. The high-voltage distribution cabinet fault monitoring device according to claim 7, wherein a scraping mechanism (13) for scraping the surface of the filter plate (8) is fixedly arranged on the mounting disc (4), the scraping mechanism (13) comprises a scraping plate (13 a), a second connecting frame (13 b) and an electric push rod (13 c), the electric push rod (13 c) is fixedly arranged on the mounting disc (4) through a connecting pipe, the output end of the electric push rod (13 c) is fixedly connected with the second connecting frame (13 b), and the scraping plate (13 a) is fixedly arranged on the second connecting frame (13 b).
9. The method for the fault monitoring device of the high-voltage distribution cabinet based on claim 8 is characterized by comprising the following steps:
the method comprises the following steps: the air pump is started, and the area corresponding to the first air pipeline (1) is subjected to air extraction detection;
step two: the rotating mechanism (3) drives the pressing conduit (6) to rotate and switch, and is connected with other gas pipelines (1);
the driving motor (3 e) is controlled to work, the rotating ring (3 b) drives the first connecting frame (12) and the guide sliding frame (5 c 3) to rotate together,
the first connecting frame (12) drives the connecting hard tube (11) to rotate together,
the guide carriage (5 c 3) drives the pressing guide pipe (6) and the prop (5 a) to rotate together,
the pressing conduit (6) is switched in rotation,
the support column (5 a) slides along the ascending ramp (5 b 1), so that the support column (5 a) drives the end part of the pressing conduit (6) to be far away from the mounting disc (4), when the support column (5 a) moves to the top of the ascending ramp (5 b 1), the distance between the end part of the pressing conduit (6) and the mounting disc (4) is at the farthest position, the support column (5 a) continues to rotate, when the support column (5 a) slides downwards along the descending ramp (5 b 2), the end part of the pressing conduit (6) gradually approaches to the mounting disc (4), and finally the pressing conduit (6) covers the air guide hole (4 a);
step three: in the process that the end part of the pressing conduit (6) is far away from the mounting disc (4) in the second step, the first resisting spring (7 a) pushes the filter plate (8) to be kept at a height position without changing, when the filter plate moves to a position where the distance between the end part of the pressing conduit (6) and the mounting disc (4) is farthest, the filter plate (8) slides out of the outer side of the end part of the pressing conduit (6), and small sand grains or plastic grains adsorbed on the filter plate (8) can fall off;
step four: after the pressing pipe (6) rotates for three circles along the installation disc (4), the electric push rod (13 c) is controlled to work, the electric push rod (13 c) pulls the second connecting frame (13 b) to move, the second connecting frame (13 b) pulls the scraper (13 a) to move, and the scraper (13 a) scrapes the surface of the filter plate (8) sliding out of the pressing pipe (6) completely.
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| CN202210859418.2A CN115199947B (en) | 2022-07-20 | 2022-07-20 | Fault monitoring device and method for high-voltage power distribution cabinet |
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| CN202210859418.2A CN115199947B (en) | 2022-07-20 | 2022-07-20 | Fault monitoring device and method for high-voltage power distribution cabinet |
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| CN115199947B true CN115199947B (en) | 2023-04-07 |
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| JP3710296B2 (en) * | 1998-09-03 | 2005-10-26 | 大陽日酸株式会社 | Bulk supply equipment for semiconductor process gas |
| JP3875885B2 (en) * | 2001-12-26 | 2007-01-31 | 大陽日酸株式会社 | Airtight test method |
| CN204485602U (en) * | 2014-12-26 | 2015-07-22 | 马钢(集团)控股有限公司 | Instrument gas prepares the safety switching apparatus of unit |
| CN106291272B (en) * | 2016-07-22 | 2018-10-16 | 中国科学院电工研究所 | A kind of high voltage switch cabinet fault monitoring device |
| CN106646162B (en) * | 2016-12-16 | 2020-06-19 | 河北省机电一体化中试基地 | High tension switchgear cable partial discharge monitoring analog system |
| CN207318652U (en) * | 2017-11-09 | 2018-05-04 | 刘建国 | A kind of high-tension switch cabinet interior insulation On-line Fault monitors system |
| CN209166716U (en) * | 2018-11-28 | 2019-07-26 | 河南省日立信股份有限公司 | GIS device pressure seal one experimental rig |
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