CN114220641A - Dry-type transformer with ground point contact state detects - Google Patents
Dry-type transformer with ground point contact state detects Download PDFInfo
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- CN114220641A CN114220641A CN202111538025.3A CN202111538025A CN114220641A CN 114220641 A CN114220641 A CN 114220641A CN 202111538025 A CN202111538025 A CN 202111538025A CN 114220641 A CN114220641 A CN 114220641A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/04—Swingable or tiltable containers
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/40—Connection to earth
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a dry-type transformer with grounding point contact state detection, which comprises a transformer protection box, an inclined top cover, an electric lifting rod and an elastic component, wherein the electric lifting rod comprises a main body and a main body, the main body comprises a main body, a main body is arranged at the main body, the main body comprises a main body, a main body and a main body, the main body comprises a grounding point contact state detection part and a grounding point contact state detection part, the main body comprises a main body, the main body is arranged at the main body, the main body comprises a transformer protection box, an inclined top cover, an electric lifting rod and an elastic component, the main body is arranged at the main body, the main body comprises a grounding point contact state detection part and the main body, the main body is arranged at the main body, the main body is arranged at the main body, and the main body, the main body is arranged at the main body, the main body is arranged at the grounding point contact state detection part, the main body is arranged at the main body, and the main body is arranged at the main body, and the main body, the main body is arranged at the main body, the main body is arranged at the main body, and the main body, the main body is arranged at the main body, and the main body is arranged at the main body, the main body is arranged at the main body, the main body: an inclined top cover is installed at the top of the transformer protection box; the bottom wall of the transformer protection box is provided with three groups of electric lifting rods which are arranged in a triangular shape, and the bottom wall of the transformer protection box is provided with a plurality of groups of elastic components which are uniformly arranged; smoke sensors are installed on the top wall of the transformer protection box, three groups of electric lifting rods are installed on the top of the transformer protection box, a square threaded cylinder is installed on the top of each electric lifting rod, a sleeve is installed on the inner wall of each square threaded cylinder, a dry powder fire extinguisher is installed on the inner wall of each sleeve, and an outlet pipe is installed on the top of each dry powder fire extinguisher. Adopt the flexible block of miniature electric stretch rod between transformer main part and the bottom plate in this application, increase the fastness of the two equipment, wherein this equipment possesses the effect that the monitoring was put out a fire, is guided the thunder and lightning, and can carry out contact detection in real time to binding post and ground connection subassembly.
Description
Technical Field
The invention relates to the technical field of dry-type transformers, in particular to a dry-type transformer with grounding point contact state detection.
Background
The dry type transformer has the advantages of strong short circuit resistance, small maintenance workload, high operation efficiency, small volume, low noise and the like, is usually used in places with high requirements on fire resistance, explosion resistance and the like, is easily influenced by thunder when used outdoors, and is easily subjected to the conditions of overlarge instantaneous current and voltage when the thunder occurs, so that the transformer is provided with a lightning guiding function, and the necessity is self-evident.
The existing dry-type transformer has the following defects:
1. patent document CN113724972A discloses a dry-type transformer, "including transformer coil and coil cooling portion, transformer coil includes first coil and second coil that is set up by the winding, and the winding includes electrically conductive sinle silk and wraps up the insulating skin outside the sinle silk, and first coil and second coil are outer to be covered with solid insulation layer respectively, and the coil cooling portion includes: the cooling liquid shell is provided with a containing cavity for containing insulating cooling liquid, the transformer coil is arranged in the containing cavity, and the insulating cooling liquid is used for exchanging heat with the transformer coil; the heat exchanger is provided with a heat exchange flow channel, and the heat exchange flow channel is connected with the accommodating cavity of the cooling liquid shell so as to exchange heat with a heat exchange medium outside the heat exchange flow channel when the insulating cooling liquid circulates into the heat exchange flow channel. The dry-type transformer has better cooling effect. However, the equipment cannot monitor whether the equipment has a fire phenomenon in real time and is lack of an automatic fire extinguishing device;
2. patent document CN113488311A discloses a dry-type transformer, "including bearing box, projection, inlet wire mechanism and group battery, the bottom of bearing box is fixed with the cushion, inlet wire mechanism fixes the left side at bearing box top, the inboard of the passageway of airing exhaust is fixed with the air exhauster, the inboard of bearing box is fixed with the baffle, control panel's downside is provided with the hair-dryer, the rear side of hair-dryer is connected with defeated wind passageway through connecting tube, and defeated wind passageway is located the front and back both sides of dry-type transformer main part, the shutter has been seted up on the right side of bearing box, and the top of bearing box is fixed with solar cell panel. This dry-type transformer, dry-type transformer main part are at the in-process of function, and the outside air passes through the shutter and gets into in the bearing box and through connecting tube, ventilation passageway and the blowout head blowout in proper order under the effect of hair-dryer, conveniently lasts cooling heat dissipation to dry-type transformer main part and handles, and hot-blast passage discharge that can pass through under the effect of exhaust fan at this moment. "however, the device lacks the function of guiding lightning, and when the device is used in outdoor lightning weather, the transformer is easy to have the condition of excessive transient current and voltage;
3. patent document CN111524687A discloses a dry-type transformer, "comprising: the dry-type transformer comprises a base and a dry-type transformer body, wherein the upper surface of the base is recessed downwards to form a groove, a sliding plate is arranged in the groove, and the sliding plate can freely slide on the bottom surface of the groove; the upper surface of slide is formed with down the mount pad, and the lower surface of dry-type transformer body is formed with last mount pad, and elastic connection between lower mount pad and the last mount pad. The dry-type transformer has good transverse shock absorption and longitudinal shock absorption capacity, and is favorable for long-distance transportation and shock absorption during working. However, in the equipment, when the transformer is placed on the base, the transformer needs to be fixed by screws, and the assembly is troublesome;
4. patent document CN111341540A discloses a dry-type transformer, which comprises a tapping connection piece, a high-voltage conductive bar, a spring nail, a connector, a low-voltage conductive bar, a protector, an insulator, a low-voltage coil, a high-voltage coil, a support device, a mounting plate, and a lead wire, when the dry-type transformer is used after improvement, a casing is fastened on the connector through a hinge, and then a sealing ring and a joint element are sleeved on the inner end and the outer end of the connector to prevent dust or foreign matters in air from accumulating on the connector, so as to ensure the smooth contact and use at the connector of the transformer, when the dry-type transformer is used in a wet position, a support column is connected with a magnetic chuck to prevent the dry-type transformer from generating vibration and displacement during operation, then an induction element is matched with an adsorption disc to treat and adsorb ambient moisture or liquid to prevent the moisture or liquid from entering the dry-type transformer, the filter plate is used for filtering and isolating sundry garbage around the dry-type transformer, so that the working safety and the using effect of the dry-type transformer are improved. "however be not convenient for among this equipment carry out real-time supervision to the mounted state between wiring terminal and the ground connection subassembly, wherein when the two appears becoming flexible or disconnection, the staff can't in time learn.
Disclosure of Invention
The present invention is directed to a dry-type transformer with ground point contact state detection, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a dry-type transformer with ground point contact state detection, includes transformer guard box, slope top cap, electric lift pole and elastic component,: an inclined top cover is installed at the top of the transformer protection box;
the bottom wall of the transformer protection box is provided with three groups of electric lifting rods which are arranged in a triangular shape, the bottom wall of the transformer protection box is provided with a plurality of groups of elastic components which are uniformly arranged, and the elastic components are positioned in front of the electric lifting rods;
smoke transducer is installed to the roof of transformer guard box, and a square screw section of thick bamboo is installed at the top of three group's electric lift poles, the sleeve is installed to the inner wall of a square screw section of thick bamboo, telescopic inner wall installation dry powder fire extinguisher, and dry powder fire extinguisher's top extends telescopic inside, the outlet pipe is installed at dry powder fire extinguisher's top, the top of outlet pipe is installed and is pressed the handle, press the top of handle and install the drum, the cylinder is installed to the roof of transformer guard box, and the cylinder is located the drum directly over.
Preferably, the top of slope top cap is provided with the recess, fixed cover is installed to the inner wall of recess, the lightning rod is installed to the inner wall of fixed cover, and the top of lightning rod extends the inside of fixed cover, one side outer wall of fixed cover runs through and installs the bull stick, servo motor is installed to the one end of bull stick, conduction band is installed to the bottom of lightning rod, the tail end of conduction band is installed the ground connection and is led electrical pillar.
Preferably, the bottom plate is installed at the top of multiunit elastic component, the top of bottom plate is provided with two sets of gomphosis grooves of arranging side by side, the both sides outer wall of bottom plate all is provided with the thread groove of arranging around two sets of, the inner wall of thread groove is installed and is linked up the cover, the inner wall of linking up the cover is installed miniature electric stretch rod, and the one end of miniature electric stretch rod extends the inside that gets into the gomphosis groove, and is two sets of N type frame is all installed to the inner wall in gomphosis groove, one side outer wall of N type frame is provided with two sets of logical grooves of arranging around.
Preferably, it is two sets of the support frame of arranging around two sets of are installed to the top of N type frame, and are two sets of install the cross that three equidistance of group were arranged between the support frame, three groups the transformer body is installed at the top of cross, the yoke is installed on the top of transformer body, the folder that two sets of mirror images were arranged is installed at the top of transformer body.
Preferably, wherein a set of binding post and round bar are installed to the front of folder, and the round bar is located binding post's top, cowl is installed at the top of round bar, pressure sensor is all installed at one side outer wall of cowl and the top of round bar, binding post's surface mounting has the ground connection subassembly, the connection board is installed at the top of ground connection subassembly, the back mounted of connection board has the pressure cover, and the outer wall laminating of the inner wall of pressure cover and round bar.
Preferably, the siren is installed at the top of slope top cap, a protection section of thick bamboo is installed to one side outer wall of slope top cap, the fastener that the equidistance was arranged about the surface mounting of a protection section of thick bamboo has the multiunit, the outer wall laminating of one side outer wall and the transformer guard box of fastener.
Preferably, the top installation protection subassembly of square screw section of thick bamboo, the limit ring is installed to the diapire of transformer guard box, flexible pipe is installed in the front of outlet pipe, and the inside of limit ring is run through to the one end of flexible pipe, the shower nozzle is installed to the one end of flexible pipe.
Preferably, two sets of install the fan that three groups equidistance were arranged between the support frame, and the fan is located the below of cross.
Preferably, the working steps of the device are as follows:
s1, a worker opens a box door on the front face of the transformer protection box, then the whole body formed by the transformer body, the N-shaped frame, the supporting frame, the cross and the fan is assembled with the bottom plate to enable the N-shaped frame to be embedded in the embedding groove, then the micro electric extension rod is started to extend outwards, and one end of the micro electric extension rod penetrates through the through groove formed in the surface of the N-shaped frame;
s2, aligning the grounding component to the front of the wiring terminal, enabling the back of the pressure sleeve to be positioned in front of the round rod, then applying a backward pushing force to the grounding component to enable the grounding component to be sleeved on the outer surface of the wiring terminal, meanwhile, the pressure sleeve can be sleeved on the outer surface of the round rod, when the grounding component is tightly attached to the wiring terminal, the back of the pressure sleeve can be tightly attached to the front of the arc-shaped baffle, after each electrical component in the device is started, the resistance value of the strain resistance on the surfaces of the two groups of pressure sensors can be changed, and the grounding component and the wiring terminal are in a tight connection state at the moment;
s3, opening a box door on the back of the transformer protection box, aligning the dry powder fire extinguisher provided with a sleeve above the square threaded cylinder, applying a rotating force in a set direction to the dry powder fire extinguisher to enable the dry powder fire extinguisher to be combined with the square threaded cylinder, and assembling the assembled dry powder fire extinguisher, wherein the cylinder at the top of the dry powder fire extinguisher is positioned right below the cylinder, the telescopic pipe penetrates through the limiting ring, and then the spray head is connected with the tail end of the telescopic pipe;
s4, the electric connection between the smoke sensor and the electric lifting rod and the alarm in the equipment, the smoke sensor monitors whether smoke is generated in the transformer protection box before fire in real time, if yes, the electric lifting rod is started, the electric lifting rod repeatedly extends upwards and contracts downwards to set a distance I to drive each part at the top of the electric lifting rod to stretch up and down, the dry powder fire extinguisher is convenient to shake, the bottom of the cylinder is not contacted with the bottom wall of the cylinder at the moment, after the dry powder fire extinguisher shakes, the electric lifting rod is started again, the electric lifting rod repeatedly extends upwards and contracts downwards to set a distance II to drive the dry powder fire extinguisher, the pressing handle and the cylinder to move upwards, the cylinder can extrude the cylinder, the extrusion force of the electric lifting rod is transmitted to the position of the pressing handle, dry powder substances in the dry powder fire extinguisher are conducted from the inside of the telescopic pipe to the position of the spray nozzle to achieve the effect of quick fire extinguishing, meanwhile, the alarm can give out alarm sound;
s5, when the outdoor lightning strike weather is met, the servo motor can be started, the rotating rod arranged at the output end of the servo motor can drive the fixed sleeve to rotate anticlockwise, and then the lightning rod arranged in the fixed sleeve can be changed from an inclined downward placing state to a vertical placing state.
Compared with the prior art, the invention has the beneficial effects that:
1. whether smoke before fire is generated in the transformer protection box can be monitored in real time through the smoke sensor, if yes, the electric lifting rod repeatedly extends upwards and contracts downwards to set a distance I for shaking the dry powder fire extinguisher, precipitation of dry powder in the dry powder fire extinguisher is avoided, after the shaking is finished, the electric lifting rod is enabled to extend upwards to a set distance II until the bottom of the cylinder is attached to the bottom wall of the cylinder, at the moment, the electric lifting rod continuously extends upwards, the cylinder can generate upward extrusion force on the cylinder, meanwhile, the cylinder has reaction force on the cylinder, the reaction force can be transmitted downwards to the position of the pressing handle, dry powder substances in the dry powder fire extinguisher are enabled to be transmitted to the position of the spray head from the interior of the telescopic pipe to be sprayed out, and the effect of quickly extinguishing fire is achieved;
2. in the equipment, when outdoor lightning strike weather exists, the servo motor is started to enable the rotating rod arranged at the output end of the servo motor to correspondingly rotate towards the anticlockwise direction, then the fixed sleeve can drive the lightning rod to rotate along with the lightning rod, the lightning rod is convenient to change from an inclined downward state to a vertical upward state in use, then the lightning is guided to discharge to the lightning rod, and then the lightning is guided to the underground through the conductive belt and the grounding conductive column, so that the safety of the transformer can be effectively improved;
3. in the equipment, a worker can embed the N-shaped frame in the embedding groove, the transformer body can be stably placed on the bottom plate at the moment, then the micro electric extension rod is enabled to extend outwards, and one end of the micro electric extension rod is enabled to penetrate through the through groove arranged on the surface of the N-shaped frame, so that the firmness of assembly between the whole transformer body and the bottom plate is improved, the mode can replace the fixation of a screw, and the rapidness of installation is improved;
4. the contact state that can be connected between grounding assembly and the binding post in this equipment detects, during equipment use, if the pressure sensor that cowl openly installed does not perceive the pressure variation, and when another group pressure sensor that the cylinder top was installed can perceive the pressure value, show that the connection between grounding assembly and the binding post is in not hard up state this moment, if when two sets of pressure sensor all can't perceive the pressure value, then show that be in the disconnection state between grounding assembly and the binding post this moment.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of the cylinder and the column of the present invention;
fig. 4 is a schematic structural view of the fixing sleeve, the lightning rod and the servo motor of the present invention;
FIG. 5 is a schematic view of the mounting structure of the base plate, the connecting sleeve and the micro-electric extension rod according to the present invention;
FIG. 6 is a schematic view of the installation structure of the round bar, the pressure sensor and the pressure sleeve of the present invention;
FIG. 7 is a schematic view of the mounting structure of the square threaded cylinder, the sleeve and the dry powder fire extinguisher according to the present invention;
FIG. 8 is a schematic view of the mounting structure of the support frame, the cross and the fan of the present invention.
In the figure: 1. a transformer guard box; 2. tilting the top cover; 3. an electric lifting rod; 4. an elastic component; 5. a smoke sensor; 6. a square threaded cylinder; 7. a sleeve; 8. a dry powder extinguisher; 9. pressing the handle; 10. a cylinder; 11. a cylinder; 12. a groove; 13. fixing a sleeve; 14. a lightning rod; 15. a servo motor; 16. a conductive tape; 17. a ground conductive post; 18. a base plate; 19. a fitting groove; 20. a thread groove; 21. a connecting sleeve; 22. a miniature electric extension rod; 23. an N-shaped frame; 24. a support frame; 25. a cross; 26. a transformer body; 27. an upper iron yoke; 28. a clamp; 29. a wiring terminal; 30. a round bar; 31. an arc-shaped baffle plate; 32. a pressure sensor; 33. a ground component; 34. a connector tile; 35. a pressure sleeve; 36. an alarm; 37. a protective cylinder; 38. a fastener; 39. a guard assembly; 40. a telescopic pipe; 41. a spray head; 42. a fan.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 2, 3 and 7, the dry-type transformer with ground point contact state detection comprises a transformer protection box 1, an inclined top cover 2, an electric lifting rod 3 and an elastic component 4, wherein the inclined top cover 2 is installed at the top of the transformer protection box 1;
specifically, transformer guard box 1's inside has great space, can conveniently place transformer body 26 and dry powder fire extinguisher 8, increases certain protectiveness for each part of incasement simultaneously, receives external disturbance when avoiding its operation, and the inside of slope top cap 2 is provided with the storage space, makes things convenient for accomodating of servo motor 15, and the top of slope top cap 2 is difficult for piling up debris.
Three groups of electric lifting rods 3 which are arranged in a triangular shape are arranged on the bottom wall of the transformer protection box 1, a plurality of groups of elastic components 4 which are uniformly arranged are arranged on the bottom wall of the transformer protection box 1, and the elastic components 4 are positioned in front of the electric lifting rods 3;
specifically, after the electric lifting rod 3 is started, the operation of upward extension or downward contraction can be correspondingly carried out, and each part at the top of the electric lifting rod 3 can move up and down along with the height position to be adjusted, the elastic assembly 4 consists of a spring and a telescopic rod, the spring has certain elastic deformation capacity and resetting function, and the impact force generated below during the operation of the dry powder transformer in the equipment can be reduced.
Smoke transducer 5 is installed to the roof of transformer guard box 1, square screw tube 6 is installed at the top of three group's electric lift pole 3, sleeve 7 is installed to the inner wall of square screw tube 6, dry powder fire extinguisher 8 is installed to the inner wall of sleeve 7, and the inside of sleeve 7 is extended to dry powder fire extinguisher 8's top, the outlet pipe is installed at dry powder fire extinguisher 8's top, the top of outlet pipe is installed and is pressed 9, press and install drum 10 at 9's top, cylinder 11 is installed to the roof of transformer guard box 1, and cylinder 11 is located drum 10 directly over.
Specifically, after smoke sensor 5 starts, whether smog before a fire is produced in this transformer guard box 1 of real-time supervision, if there is, can start siren 36 and electric lift rod 3 rather than electric connection, the screw thread that square screw tube 6 inner wall set up can match each other with the screw thread of sleeve 7 surface, be convenient for carry out detachable connection between the two, then make things convenient for the change of dry powder fire extinguisher 8, the inside dry powder material of dry powder fire extinguisher 8 spouts when the ignition point, can be used for putting out a fire, when electric lift rod 3 upwards extends to longer distance, the bottom of cylinder 11 can laminate with the diapire of cylinder 10, electric lift rod 3 lasts upwards extending this moment, then cylinder 10 can produce ascending extrusion force to cylinder 11, cylinder 11 possesses the reaction force to cylinder 10 simultaneously, this reaction force can be transmitted downwards to the pressure and 9 the place, impel the inside dry powder material of dry powder fire extinguisher 8 to spout from the place where the shower nozzle 41 is located from the inside conduction of flexible pipe 40 Therefore, the effect of quickly extinguishing fire is achieved.
Example two
As shown in fig. 1, 2 and 4, a groove 12 is formed in the top of the inclined top cover 2, a fixing sleeve 13 is installed on the inner wall of the groove 12, a lightning rod 14 is installed on the inner wall of the fixing sleeve 13, the top of the lightning rod 14 extends out of the inside of the fixing sleeve 13, a rotating rod is installed on the outer wall of one side of the fixing sleeve 13 in a penetrating mode, a servo motor 15 is installed at one end of the rotating rod, a conductive strip 16 is installed at the bottom of the lightning rod 14, and a grounding conductive column 17 is installed at the tail end of the conductive strip 16.
Specifically, recess 12 set up can be convenient for accomodate and be accomodating of slope down state lightning rod 14, lightning rod 14 is in the out-of-use condition this moment, fixed cover 13 can be used to increase the contact between lightning rod 14 and the bull stick, after servo motor 15 starts, the bull stick that its output was installed can be correspondingly towards clockwise or anticlockwise rotation, then fixed cover 13 can drive lightning rod 14 and follow the rotation, make things convenient for lightning rod 14 to change between slope down and vertical ascending state, lightning rod 14 is at the in-use condition, can guide the thunder and lightning to lightning rod 14 discharge, then lead to the thunder and lightning underground through conductive band 16 and ground connection conducting post 17.
EXAMPLE III
As shown in fig. 2, 5 and 8, a bottom plate 18 is installed on the tops of a plurality of groups of elastic assemblies 4, two groups of embedding grooves 19 are arranged side by side on the top of the bottom plate 18, two groups of threaded grooves 20 arranged in the front and back are respectively formed on the outer walls of the two sides of the bottom plate 18, a connecting sleeve 21 is installed on the inner wall of the threaded groove 20, a micro electric stretch rod 22 is installed on the inner wall of the connecting sleeve 21, one end of the micro electric stretch rod 22 extends into the embedding groove 19, an N-shaped frame 23 is installed on the inner wall of the two groups of embedding grooves 19, and two groups of through grooves arranged in the front and back are formed on the outer wall of one side of the N-shaped frame 23.
Two sets of support frames 24 arranged in front and back are installed at the tops of the two sets of N-shaped frames 23, three sets of cross frames 25 arranged at equal intervals are installed between the two sets of support frames 24, a transformer body 26 is installed at the tops of the three sets of cross frames 25, an upper iron yoke 27 is installed at the top of the transformer body 26, and two sets of clamping pieces 28 arranged in a mirror image mode are installed at the top of the transformer body 26.
Specifically, the bottom plate 18 provides a stable installation place for each component on the top, a worker can place the whole body formed by the transformer body 26, the N-shaped frame 23, the support frame 24, the cross 25 and the fan 42 on the bottom plate 18 and move downwards to enable the N-shaped frame 23 to be embedded in the embedding groove 19, at this time, the transformer body 26 can be stably placed on the bottom plate 18, then the micro electric extension rod 22 is enabled to extend outwards to enable one end of the micro electric extension rod to penetrate through the through groove arranged on the surface of the N-shaped frame 23, so as to increase the firmness of assembly between the transformer body 26 and the bottom plate 18, the internal thread arranged on the inner wall of the thread groove 20 can be matched with the external thread arranged on the outer surface of the connecting sleeve 21, thereby facilitating the detachable connection between the micro electric extension rod 22 arranged on the inner wall of the connecting sleeve 21 and the bottom plate 18, the cross 25 increases the bottom support of the transformer body 26, to increase the stability of the installation, the upper yoke 27 is a magnetic circuit portion of the transformer, and the clip 28 is used to support the upper yoke 27.
Example four
As shown in fig. 2, 6, 7 and 8, a connection terminal 29 and a round bar 30 are mounted on the front surface of one of the clamping members 28, the round bar 30 is located above the connection terminal 29, an arc baffle 31 is mounted on the top of the round bar 30, a pressure sensor 32 is mounted on both the outer wall of one side of the arc baffle 31 and the top of the round bar 30, a grounding assembly 33 is mounted on the outer surface of the connection terminal 29, a connection plate 34 is mounted on the top of the grounding assembly 33, a pressure sleeve 35 is mounted on the back surface of the connection plate 34, and the inner wall of the pressure sleeve 35 is attached to the outer wall of the round bar 30.
Specifically, the connection terminal 29 may be combined with the grounding assembly 33, wherein the grounding assembly 33 is aligned with the front surface of the connection terminal 29, and the back surface of the pressure sleeve 35 is positioned right in front of the circular rod 30, and then a backward pushing force is applied to the grounding assembly 33 to urge the pressure sleeve to be sleeved on the outer surface of the connection terminal 29, and the pressure sleeve 35 may be sleeved on the outer surface of the circular rod 30, when the grounding assembly 33 is tightly attached to the connection terminal 29, the back surface of the pressure sleeve 35 may be tightly attached to the front surface of the arc-shaped baffle 31, after each electrical component in the apparatus is started, the strain resistances on the surfaces of the two sets of pressure sensors 32 may change, indicating that the grounding assembly 33 and the connection terminal 29 are in a tight connection state, wherein when the pressure sensor 32 installed on the front surface of the arc-shaped baffle 31 does not sense the pressure change, when the other set of pressure sensors 32 installed on the top of the circular rod 30 can sense the pressure value, this indicates that the connection between the grounding assembly 33 and the connection terminal 29 is in a loose state, and if neither of the two sets of pressure sensors 32 can sense the pressure value, this indicates that the connection between the grounding assembly 33 and the connection terminal 29 is in a disconnected state.
The top of the inclined top cover 2 is provided with an alarm 36, the outer wall of one side of the inclined top cover 2 is provided with a protective cylinder 37, the outer surface of the protective cylinder 37 is provided with a plurality of groups of clamping pieces 38 which are arranged at equal intervals up and down, and the outer wall of one side of each clamping piece 38 is attached to the outer wall of the transformer protection box 1.
Specifically, the alarm 36 is electrically connected to the smoke sensor 5, when the smoke sensor 5 monitors that smoke generated before the fire occurs in the transformer protection box 1, the alarm 36 can give out an alarm sound to provide a fire accident situation around personnel and equipment, the protection tube 37 is sleeved on the outer surface of the conductive strip 16 to increase the protection performance of the conductive strip 16, and the clamping piece 38 can be used for fixing the protection tube 37 to the outer wall of the transformer protection box 1.
The top of the square threaded cylinder 6 is provided with a protection component 39, the bottom wall of the transformer protection box 1 is provided with a limiting ring, the front surface of the outlet pipe is provided with an extension pipe 40, one end of the extension pipe 40 penetrates through the inside of the limiting ring, and one end of the extension pipe 40 is provided with a spray head 41.
Specifically, the protection component 39 comprises four groups of arc-shaped vertical plates and a group of circular rings, so that the dry powder fire extinguisher 8 can be prevented from falling, the telescopic pipe 40 can change the comprehensive length under the stretching of external force, the electric lifting rod 3 is prevented from driving the dry powder fire extinguisher 8 to stretch up and down, and the spray nozzle 41 can guide out dry powder substances transmitted at the telescopic pipe 40 downwards.
Three groups of fans 42 which are arranged at equal intervals are arranged between the two groups of support frames 24, and the fans 42 are positioned below the cross 25.
Specifically, after the fan 42 is started, the fan blades can be driven by the motor to rotate so as to stir the surrounding air, increase the fluidity of the air, and further enhance the heat dissipation effect.
Specifically, the working steps of the device are as follows:
s1, a worker opens the box door on the front side of the transformer protection box 1, then the whole body formed by combining the transformer body 26, the N-shaped frame 23, the support frame 24, the cross 25 and the fan 42 is assembled with the bottom plate 18, the N-shaped frame 23 is embedded in the embedding groove 19, then the micro electric extension rod 22 is started to extend outwards, and one end of the micro electric extension rod 22 penetrates through a through groove arranged on the surface of the N-shaped frame 23;
s2, aligning the grounding assembly 33 with the front surface of the connection terminal 29, and causing the back surface of the pressure sleeve 35 to be located right in front of the round bar 30, and then applying a backward pushing force to the grounding assembly 33 to cause it to be sleeved on the outer surface of the connection terminal 29, and the pressure sleeve 35 can be sleeved on the outer surface of the round bar 30, when the grounding assembly 33 is tightly attached to the connection terminal 29, the back surface of the pressure sleeve 35 can be tightly attached to the front surface of the arc-shaped baffle 31, after each electrical component in the apparatus is started, the resistance value of the strain resistor on the surfaces of the two sets of pressure sensors 32 can be changed, which indicates that the grounding assembly 33 and the connection terminal 29 are in a tight connection state at this time;
s3, opening a box door on the back of the transformer protection box 1, aligning the dry powder fire extinguisher 8 provided with the sleeve 7 above the square threaded cylinder 6, applying a rotating force in a set direction to the dry powder fire extinguisher 8 to enable the dry powder fire extinguisher to be combined with the square threaded cylinder 6, assembling the assembled dry powder fire extinguisher 8, enabling the cylinder 10 at the top of the dry powder fire extinguisher 8 to be positioned under the cylinder 11, penetrating the telescopic pipe 40 through a limiting ring, and then connecting the spray nozzle 41 with the tail end of the telescopic pipe 40;
s4, the smoke sensor 5 in the device is electrically connected with the electric lifting rod 3 and the alarm 36, whether smoke before fire is generated in the transformer protection box 1 is monitored in real time through the smoke sensor 5, if yes, the electric lifting rod 3 is started, the electric lifting rod 3 repeatedly extends upwards and contracts downwards to set a distance I to drive all parts at the top of the electric lifting rod to stretch up and down along with the smoke, the dry powder fire extinguisher 8 is convenient to shake, the bottom of the cylinder 11 is not in contact with the bottom wall of the cylinder 10 at the moment, after the dry powder fire extinguisher 8 shakes, the electric lifting rod 3 is started again, the electric lifting rod repeatedly extends upwards and contracts downwards to set a distance II to drive the dry powder fire extinguisher 8, the pressing handle 9 and the cylinder 10 to move upwards, then the cylinder 11 can extrude the cylinder 10, the extrusion force of the electric lifting rod is transmitted to the position of the pressing handle 9, dry powder substances in the dry powder fire extinguisher 8 are enabled to be transmitted to the position of the spray nozzle 41 from the interior of the telescopic pipe 40 to be sprayed out, so as to achieve the effect of quick fire extinguishing, and meanwhile, the alarm 36 can give out alarm sound;
s5, when the outdoor is in the weather of lightning strike, the servo motor 15 can be started, the rotating rod installed at the output end of the servo motor can drive the fixing sleeve 13 to rotate counterclockwise, and then the lightning rod 14 installed inside the fixing sleeve 13 can be changed from the inclined downward placement state to the vertical placement state.
The working principle is as follows: when the equipment is in operation, whether smoke before fire is generated in the transformer protection box 1 can be monitored in real time through the smoke sensor 5, if yes, the electric lifting rod 3 is started to enable the electric lifting rod to repeatedly perform up-and-down telescopic operation, the up-and-down telescopic distance value is a set value one, the electric lifting rod is used for shaking the dry powder fire extinguisher 8 up and down, then the electric lifting rod 3 is enabled to extend upwards to a set value two, the dry powder fire extinguisher 8, the pressing handle 9 and the cylinder 10 are enabled to move upwards, then the cylinder 11 can extrude the cylinder 10, then the extrusion force is transmitted to the position of the pressing handle 9, dry powder substances in the dry powder fire extinguisher 8 are enabled to be transmitted to the position of the spray nozzle 41 from the interior of the telescopic pipe 40 to be sprayed out, meanwhile, the alarm 36 can give an alarm sound, meanwhile, when the equipment is in operation in rainy days, lightning can be guided to discharge through the lightning rod 14, and then the lightning is guided to the ground through the conductive belt 16 and the conductive post 17 to the ground to be led to the ground, the safety of the equipment is improved, and the contact state of the grounding component 33 and the wiring terminal 29 can be monitored in real time through the application of the two groups of pressure sensors 32.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a dry-type transformer with ground point contact state detects, includes transformer guard box (1), slope top cap (2), electric lift pole (3) and elastic component (4), its characterized in that: an inclined top cover (2) is mounted at the top of the transformer protection box (1);
three groups of electric lifting rods (3) which are arranged in a triangular shape are mounted on the bottom wall of the transformer protection box (1), a plurality of groups of elastic assemblies (4) which are uniformly arranged are mounted on the bottom wall of the transformer protection box (1), and the elastic assemblies (4) are positioned in front of the electric lifting rods (3);
smoke transducer (5) are installed to the roof of transformer guard box (1), and square screw tube (6) are installed at the top of three group electric lift pole (3), sleeve (7) are installed to the inner wall of square screw tube (6), inner wall installation dry powder fire extinguisher (8) of sleeve (7), and the inside of sleeve (7) is extended to the top of dry powder fire extinguisher (8), the outlet pipe is installed at the top of dry powder fire extinguisher (8), the top of outlet pipe is installed and is pressed (9), press and install drum (10) to the top of (9), cylinder (11) are installed to the roof of transformer guard box (1), and cylinder (11) are located drum (10) directly over.
2. A dry-type transformer with ground contact condition detection as set forth in claim 1, wherein: the top of slope top cap (2) is provided with recess (12), fixed cover (13) are installed to the inner wall of recess (12), lightning rod (14) are installed to the inner wall of fixed cover (13), and the top of lightning rod (14) extends the inside of fixed cover (13), one side outer wall of fixed cover (13) runs through and installs the bull stick, servo motor (15) are installed to the one end of bull stick, conduction band (16) are installed to the bottom of lightning rod (14), the tail end of conduction band (16) is installed ground connection and is led electrical pillar (17).
3. A dry-type transformer with ground contact condition detection as set forth in claim 1, wherein: multiunit bottom plate (18) are installed at the top of elastic component (4), the top of bottom plate (18) is provided with two sets of gomphosis groove (19) of arranging side by side, the both sides outer wall of bottom plate (18) all is provided with thread groove (20) that two sets of front and back were arranged, link up cover (21) is installed to the inner wall of thread groove (20), miniature electric stretch rod (22) are installed to the inner wall of linking up cover (21), and the inside that gets into gomphosis groove (19) is extended to the one end of miniature electric stretch rod (22), and are two sets of N type frame (23) are all installed to the inner wall of gomphosis groove (19), one side outer wall of N type frame (23) is provided with two sets of logical grooves of arranging around.
4. A dry-type transformer with ground contact condition detection as set forth in claim 3, wherein: two sets of support frame (24) that arrange around two sets of are installed at the top of N type frame (23), and are two sets of install cross (25) that three sets of equidistance arranged between support frame (24), three sets transformer body (26) are installed at the top of cross (25), indisputable yoke (27) are installed at the top of transformer body (26), folder (28) that two sets of mirror images were arranged are installed at the top of transformer body (26).
5. A dry-type transformer with ground contact condition detection as set forth in claim 4, wherein: wherein a set of binding post (29) and round bar (30) are installed to the front of folder (28), and round bar (30) are located the top of binding post (29), cowl (31) are installed at the top of round bar (30), pressure sensor (32) are all installed to one side outer wall of cowl (31) and the top of round bar (30), the surface mounting of binding post (29) has ground connection subassembly (33), link up board (34) is installed at the top of ground connection subassembly (33), the back mounted of link up board (34) has pressure cover (35), and the inner wall laminating of pressure cover (35) and the outer wall of round bar (30).
6. A dry-type transformer with ground contact condition detection as set forth in claim 1, wherein: alarm (36) are installed at the top of slope top cap (2), a protection section of thick bamboo (37) is installed to one side outer wall of slope top cap (2), the surface mounting of a protection section of thick bamboo (37) has fastener (38) that the equidistance was arranged about the multiunit, the outer wall laminating of one side outer wall and transformer guard box (1) of fastener (38).
7. A dry-type transformer with ground contact condition detection as set forth in claim 1, wherein: protection component (39) is installed at the top of square screw section of thick bamboo (6), the confinement ring is installed to the diapire of transformer guard box (1), flexible pipe (40) is installed in the front of outlet pipe, and the inside of confinement ring is run through to the one end of flexible pipe (40), shower nozzle (41) are installed to the one end of flexible pipe (40).
8. A dry-type transformer with ground contact condition detection as set forth in claim 4, wherein: two sets of install fan (42) that three groups equidistance were arranged between support frame (24), and fan (42) are located the below of cross (25).
9. A dry-type transformer with ground contact condition detection as claimed in any one of claims 1 to 8, wherein the apparatus is operated by the steps of:
s1, a worker opens a box door on the front side of the transformer protection box (1), then the whole body formed by combining the transformer body (26), the N-shaped frame (23), the support frame (24), the cross frame (25) and the fan (42) is assembled with the bottom plate (18), the N-shaped frame (23) is enabled to be embedded in the embedding groove (19), then the micro electric extension rod (22) is started to extend outwards, and one end of the micro electric extension rod (22) can penetrate through a through groove formed in the surface of the N-shaped frame (23);
s2, aligning the grounding component (33) to the front face of the connecting terminal (29), enabling the back face of the pressure sleeve (35) to be positioned in front of the round rod (30), then applying backward pushing force to the grounding component (33) to enable the pressure sleeve to be sleeved on the outer surface of the connecting terminal (29), meanwhile, the pressure sleeve (35) can be sleeved on the outer surface of the round rod (30), when the grounding component (33) is tightly attached to the connecting terminal (29), the back face of the pressure sleeve (35) can be tightly attached to the front face of the arc-shaped baffle (31), after each electrical component in the device is started, the strain resistance on the surfaces of the two groups of pressure sensors (32) can be changed, and the grounding component (33) and the connecting terminal (29) are in a tight connection state at the moment;
s3, opening a box door on the back of the transformer protection box (1), aligning a dry powder fire extinguisher (8) provided with a sleeve (7) above a square threaded cylinder (6), applying a rotating force in a set direction to the dry powder fire extinguisher (8) to enable the dry powder fire extinguisher to be combined with the square threaded cylinder (6), assembling the assembled dry powder fire extinguisher (8), enabling a cylinder (10) at the top of the dry powder fire extinguisher to be positioned under a cylinder (11), penetrating a telescopic pipe (40) through a limiting ring, and then connecting a spray head (41) with the tail end of the telescopic pipe (40);
s4, the smoke sensor (5) in the device is electrically connected with the electric lifting rod (3) and the alarm (36), whether smoke before fire is generated in the transformer protection box (1) is monitored in real time through the smoke sensor (5), if yes, the electric lifting rod (3) is started, the electric lifting rod repeatedly extends upwards and contracts downwards to set a distance I so as to drive all parts at the top of the electric lifting rod to stretch up and down along with the upper part and the lower part of the electric lifting rod, the dry powder fire extinguisher (8) is convenient to shake, the bottom of the cylinder (11) is not in contact with the bottom wall of the cylinder (10), after the dry powder fire extinguisher (8) shakes, the electric lifting rod (3) is started again and repeatedly extends upwards and contracts to set a distance II so as to drive the dry powder fire extinguisher (8), the pressing handle (9) and the cylinder (10) to move upwards, the cylinder (11) can extrude the cylinder (10), and then the extrusion force is transmitted to the pressing handle (9), dry powder substances in the dry powder fire extinguisher (8) are conducted from the inside of the telescopic pipe (40) to the position where the spray head (41) is located to be sprayed out, so that the effect of quickly extinguishing fire is achieved, and meanwhile, the alarm (36) can give out alarm sound;
s5, when the outdoor lightning strike weather is met, the servo motor (15) can be started, the rotating rod arranged at the output end of the servo motor can drive the fixed sleeve (13) to rotate anticlockwise, and then the lightning rod (14) arranged in the fixed sleeve (13) can be changed from an inclined downward placing state to a vertical placing state.
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| CN202111538025.3A CN114220641B (en) | 2021-12-15 | 2021-12-15 | Dry-type transformer with ground point contact state detects |
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| CN202111538025.3A CN114220641B (en) | 2021-12-15 | 2021-12-15 | Dry-type transformer with ground point contact state detects |
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| CN114531122A (en) * | 2022-04-21 | 2022-05-24 | 南通联航通讯科技有限公司 | Power amplifier with lightning stroke protection structure |
| CN115631923A (en) * | 2022-10-19 | 2023-01-20 | 江苏瑞恩电气股份有限公司 | Energy-conserving dry-type transformer of new efficiency that protecting effect is good |
| CN115985625A (en) * | 2023-03-04 | 2023-04-18 | 江苏临海电气有限公司 | Dry-type transformer housing fixing structure and using method thereof |
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