CN115116721A - Outdoor voltage transformer with self anticorrosion capability - Google Patents
Outdoor voltage transformer with self anticorrosion capability Download PDFInfo
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- CN115116721A CN115116721A CN202211037790.1A CN202211037790A CN115116721A CN 115116721 A CN115116721 A CN 115116721A CN 202211037790 A CN202211037790 A CN 202211037790A CN 115116721 A CN115116721 A CN 115116721A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
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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
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
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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
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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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
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
- H01R4/4872—Coil spring axially compressed to retain wire end
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention provides an outdoor voltage transformer with self anti-corrosion capability, which comprises a voltage transformer body, wherein a wiring device is arranged on one side of the voltage transformer body, a protective cover is sleeved on the voltage transformer body, the wiring device comprises a fixing box fixed on one side of the voltage transformer body, a plurality of wiring lugs of the voltage transformer body are arranged in the fixing box, and a first U-shaped clamping groove is formed in the top of each wiring lug; one side of the fixing box far away from the voltage transformer body is provided with a plurality of mounting ports. According to the voltage transformer, the conducting wire connected with the lug plate is clamped in the corresponding first arc-shaped groove, the exposed end of the conducting wire after being peeled is clamped in the second U-shaped clamping groove, the mounting block is mounted in the mounting port, the trapezoidal block is inserted into the corresponding rectangular jack, and the driving button is rotated to control the trapezoidal block to move downwards, so that the conducting wire is clamped between the first arc-shaped groove and the second arc-shaped groove, and the situation that the conducting wire falls off or shifts in the using process is avoided.
Description
Technical Field
The invention relates to a voltage transformer, in particular to an outdoor voltage transformer with self anti-corrosion capability.
Background
The basic structure of the voltage transformer is similar to that of a transformer, the voltage transformer also comprises two windings, the two windings are arranged on or wound on an iron core, insulation is arranged between the two windings and between the windings and the iron core, so that the two windings and between the windings and the iron core are electrically isolated, when the voltage transformer operates, a primary winding N1 is connected on a line in parallel, and a secondary winding N2 is connected with an instrument or a relay in parallel.
When voltage transformer used in the open air, the corrosion that receives the weather for a long time can take place the corrosion, causes its life to be low, and voltage transformer when the wiring, uses the screw fixation conductor wire usually, consequently need twist many times when installation or change electrically conductive and move the screw, wastes time and energy, and the wire after connecting, receives the tractive and takes place to drop or shift easily to arouse circuit fault, for solving above-mentioned problem, now provide an outdoor voltage transformer who has self anti-corrosion ability.
Disclosure of Invention
The invention aims to provide an outdoor voltage transformer with self anti-corrosion capability, wherein a conductive wire connected with a lug plate is clamped in a corresponding first arc-shaped groove, an exposed end of the peeled conductive wire is clamped in a second U-shaped clamping groove, the peeled conductive wire can be straightened by pulling the conductive wire, an installation block is installed in the installation port, a trapezoidal block is inserted into a corresponding rectangular jack, and a driving button is rotated to control the trapezoidal block to move downwards, so that the conductive wire is clamped between the first arc-shaped groove and the second arc-shaped groove, and circuit faults caused by falling or displacement of the conductive wire in the use process of the voltage transformer are avoided.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an outdoor voltage transformer with self anti-corrosion ability, voltage transformer include the voltage transformer body, and one side of voltage transformer body is equipped with termination, and the cover is equipped with the protection casing on the voltage transformer body.
The wiring device comprises a fixing box fixed on one side of the voltage transformer body, a plurality of wiring lugs of the voltage transformer body are arranged in the fixing box, and a first U-shaped clamping groove is formed in the top of each wiring lug; one side of the fixing box, which is far away from the voltage transformer body, is provided with a plurality of mounting ports, and the mounting ports correspond to the lugs one to one.
The wiring lug also includes a first seal plate for sealing the mounting opening.
Furthermore, one side of the first sealing plate is provided with a mounting block.
Further, be equipped with the rectangular hole on the first closing plate, the rectangular hole runs through first closing plate and installation piece, and the top intercommunication of rectangular hole is equipped with the sliding tray, and it is equipped with vertical slide to slide in the sliding tray, and the below of slide is equipped with first arc wall, and the below intercommunication of rectangular hole is equipped with the second arc wall, and the inner wall of first arc wall and the inner wall of second arc wall all are equipped with first gasbag.
Furthermore, the sliding plate is vertically provided with an insulating plate, the insulating plate is vertically provided with a conducting strip, the insulating plate is provided with a rectangular jack, when the first sealing plate is installed on the installation opening, the conducting strip is located on one side, close to the voltage transformer body, of the lug, and the rectangular jack is located outside the fixing box.
Further, be fixed with first connecting plate on the first closing plate, be connected with a plurality of first springs between first connecting plate and the insulation board, the top of fixed box is fixed with the second connecting plate, be equipped with a plurality of screw holes on the second connecting plate, the position and the installing port one-to-one of screw hole, the screw hole is located the rectangle jack that corresponds directly over, threaded hole installation cover is equipped with the dwang, the below of dwang is rotated and is equipped with trapezoidal piece, trapezoidal piece is used for inserting in the rectangle jack, the pointed end of trapezoidal piece is downward, the side that trapezoidal piece is close to first closing plate is the inclined plane.
Furthermore, a screw rod is fixed above the rotating rod, a driving button is fixed above the screw rod, and after the trapezoidal block is inserted into the rectangular jack, the screw rod is matched with the threaded hole by rotating the driving button.
Further, the protection casing is including the cover body, the bottom fretwork of the cover body, and one side lateral wall of the cover body is equipped with the breach that is used for installing fixed box, and the below of fixed box is fixed with vertical second closing plate, and the second closing plate is used for sealing up the breach.
Furthermore, a plurality of installation shafts are fixed below the top plate of the cover body, a plurality of shaft sleeves are fixed on the outer wall of the voltage transformer body, and when the cover body covers the upper portion of the cover body, the installation shafts are inserted into the corresponding shaft sleeves.
The cover body is provided with symmetrically distributed bottom plates in a sliding mode near the bottom, supporting blocks used for supporting the voltage transformer body are fixed on the bottom plates, and a vertical pushing plate is fixed at one end, located outside, of each bottom plate.
Further, be equipped with a plurality of louvres on the bottom plate, the bottom of the cover body slides and is equipped with a plurality of sliding shafts, one side of sliding shaft is connected with L shape connecting axle, be connected with the second spring between the L shape connecting axle and the cover body, the upper end of L shape connecting axle is connected with the conical shaft, conical shaft and louvre one-to-one, the suit of conical shaft is in the louvre, the pointed end of conical shaft makes progress, the top of conical shaft is fixed with the briquetting, the both sides inner wall of the cover body all is fixed with L shape gasbag, L shape gasbag is located the top of briquetting, be equipped with the connecting pipe between first gasbag and the L shape gasbag.
The invention has the beneficial effects that:
1. the conducting wire connected with the terminal lug is clamped in the corresponding first arc-shaped groove, the exposed end of the stripped conducting wire is clamped in the second U-shaped clamping groove, the conducting wire can be straightened by pulling the conducting wire, the mounting block is mounted in the mounting port, the trapezoidal block is inserted into the corresponding rectangular jack, and the drive button is rotated to control the trapezoidal block to move downwards, so that the conducting wire is clamped between the first arc-shaped groove and the second arc-shaped groove, circuit faults caused by falling or displacement of the conducting wire in the use process of the voltage transformer are avoided, and the wiring position is not easy to be corroded and damaged due to the external environment;
2. the exposed end of the conducting wire is clamped into the first U-shaped clamping groove on the conducting strip under the driving of the second U-shaped clamping groove, so that the wiring process is realized, the wiring mode is simple to operate, the situation that a screw for fixing the conducting wire is twisted for multiple times when a wire is installed and replaced is avoided, and meanwhile, the trapezoidal block gradually presses one side, close to the installation opening, of the rectangular insertion hole in the downward moving process, so that the installation opening is tightly pressed by the first sealing plate, the sealing of the installation opening is realized, and the water inlet in the fixing box is avoided;
3. when transporting this voltage transformer, with the sufficient gas of L shape gasbag, can fill the gap between the cover body and the voltage transformer body, can play the cushioning effect to the voltage transformer body at the in-process of transportation, the probability of damage when reducing the transportation.
4. When the voltage transformer is used, the L-shaped air bag is inflated, when the temperature rises, the L-shaped air bag expands, the bottom of the L-shaped air bag compresses the pressing block, the conical shaft moves downwards, the temperature is higher, the more the conical shaft moves downwards, the larger the gap between the heat dissipation hole and the conical shaft is, the better the heat dissipation effect is, when the weather is rainy or snowy outdoors, the temperature on the surface of the cover body is reduced, the L-shaped air bag contracts, the conical shaft moves upwards, the heat dissipation hole is completely blocked by the conical shaft, at the moment, rainwater can be prevented from entering the cover body, the corrosion of the rainwater to the voltage transformer body can be avoided, the service life of the voltage transformer body is prolonged, meanwhile, the heat dissipation hole is sealed, the heat can be preserved in the cover body in the low-temperature weather, and the influence of the normal work of the voltage transformer body due to too low temperature is avoided;
5. after the conical shaft is inserted into the heat dissipation holes, the bottom plate can be limited, the bottom plate is prevented from moving, when the conical shaft completely plugs the heat dissipation holes, the two supporting blocks are connected, the bottom of the cover body can be sealed, when gaps exist between the conical shaft and the heat dissipation holes, the two supporting blocks are not in close contact any more, heat can be dissipated from the two supporting blocks, and the heat dissipation effect is improved;
6. when the conflagration takes place in fixed box, the first gasbag fusing that the department corresponds takes place for the conflagration, carbon dioxide in the L shape gasbag passes through the fusing department discharge of connecting pipe, realize the automatic fire extinguishing to fixed box, when the carbon dioxide in the L shape gasbag can't put out a fire completely, gaseous exhaust back in the L shape gasbag, under the effect of second spring, the sliding shaft rises, and then control conical shaft rises, realize the sealed to the louvre, reduce the inside and the contact of air of protection casing and fixed box, at the in-process of burning, the inside oxygen content of protection casing and fixed box reduces gradually, also can realize automatic fire extinguishing.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a sectional structure of a voltage transformer of the present invention;
FIG. 2 is a schematic diagram of a partial structure of the voltage transformer of the present invention;
FIG. 3 is a schematic view of a portion of the wiring lug of the present invention;
FIG. 4 is a schematic diagram of a cross-sectional structure of a voltage transformer according to the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4;
fig. 6 is a schematic cross-sectional structure diagram of the voltage transformer of the present invention.
In the figure: 1. a voltage transformer body; 2. a wiring device; 3. a protective cover; 11. a shaft sleeve; 21. a fixing box; 22. a lug plate; 23. an installation port; 24. a first sealing plate; 25. mounting blocks; 26. a rectangular hole; 27. a slide sheet; 28. a first arc-shaped slot; 29. a second arc-shaped slot; 210. an insulating plate; 211. a conductive sheet; 212. a second U-shaped slot; 213. a rectangular jack; 214. a first connecting plate; 215. a first spring; 216. rotating the rod; 217. a trapezoidal block; 218. a screw rod; 219. a drive button; 220. a second connecting plate; 221. a second sealing plate; 222. a first air bag; 31. a cover body; 32. installing a shaft; 33. a base plate; 34. a support block; 35. a push plate; 36. heat dissipation holes; 37. a sliding shaft; 38. an L-shaped connecting shaft; 39. a second spring; 310. a tapered shaft; 311. briquetting; 312. an L-shaped air bag; 4. and (4) connecting the pipes.
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 is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The utility model provides an outdoor voltage transformer with self anticorrosion ability, voltage transformer include voltage transformer body 1, as shown in figure 1, one side of voltage transformer body 1 is equipped with termination 2, and the cover is equipped with protection casing 3 on the voltage transformer body 1.
The wiring device 2 comprises a fixing box 21 fixed on one side of the voltage transformer body 1, as shown in fig. 2-5, a plurality of wiring lugs 22 of the voltage transformer body 1 are arranged in the fixing box 21, and a first U-shaped clamping groove is arranged at the top of each wiring lug 22; one side of the fixing box 21, which is far away from the voltage transformer body 1, is provided with a plurality of mounting openings 23, and the mounting openings 23 correspond to the lugs 22 one by one.
The wiring device 2 further comprises a first sealing plate 24 for sealing the mounting opening 23, a mounting block 25 is arranged on one surface of the first sealing plate 24, the mounting block 25 is inserted into the mounting opening 23 to mount the first sealing plate 24, and during mounting, the mounting block 25 is in interference fit with the mounting opening 23.
Be equipped with rectangular hole 26 on the first closing plate 24, rectangular hole 26 runs through first closing plate 24 and installation piece 25, and the top intercommunication of rectangular hole 26 is equipped with the sliding tray, and it is equipped with vertical slider 27 to slide in the sliding tray, and the below of slider 27 is equipped with first arc wall 28, and the below intercommunication of rectangular hole 26 is equipped with second arc wall 29, and the inner wall of first arc wall 28 and the inner wall of second arc wall 29 all are equipped with first gasbag 222.
The insulating plate 210 is vertically arranged on the sliding sheet 27, the conducting sheet 211 is vertically arranged on the insulating plate 210, the rectangular jack 213 is arranged on the insulating plate 210, when the first sealing plate 24 is installed on the installation opening 23, the conducting sheet 211 is located on one side of the lug 22 close to the voltage transformer body 1, and the rectangular jack 213 is located outside the fixing box 21.
First connecting plate 214 is fixed on first sealing plate 24, be connected with a plurality of first springs 215 between first connecting plate 214 and the insulating board 210, the top of fixed box 21 is fixed with second connecting plate 220, be equipped with a plurality of screw holes on the second connecting plate 220, the position and the installing port 23 one-to-one of screw hole, the screw hole is located directly over the rectangle jack 213 that corresponds, threaded hole installation cover is equipped with dwang 216, the below of dwang 216 is rotated and is equipped with trapezoidal piece 217, trapezoidal piece 217 is used for inserting in the rectangle jack 213, the pointed end of trapezoidal piece 217 is downward, the side that trapezoidal piece 217 is close to first sealing plate 24 is the inclined plane, when trapezoidal piece 217 does not exert pressure to rectangle jack 213, under the effect of first spring 215, insulating board 210 is drawn to the top of rectangle hole 26.
A screw rod 218 is fixed above the rotating rod 216, a driving button 219 is fixed above the screw rod 218, when the trapezoidal block 217 is inserted into the rectangular insertion hole 213, the inclined surface of the trapezoidal block 217 is brought into contact with the upper edge of the rectangular insertion hole 213 at a side close to the first sealing plate 24, the screw rod 218 is matched with the threaded hole by rotating the driving button 219, so that the trapezoidal block 217 gradually moves downwards, the inclined surface of the trapezoidal block 217 applies a vertical downward force to the insulating plate 210 to drive the first arc-shaped groove 28 and the second U-shaped clamping groove 212 to move downwards, meanwhile, the inclined surface of the trapezoidal block 217 is in certain relative sliding with the contact position of the upper edge of one side of the rectangular jack 213, thereby applying a certain lateral force to the insulating plate 210 to press the rectangular insertion hole 213 to a side close to the fixing case 21, the first sealing plate 24 moves a certain distance to the side close to the mounting opening 23, and the sealing of the first sealing plate 24 to the mounting opening 23 is better realized.
The protective cover 3 includes a cover body 31, as shown in fig. 6, the bottom of the cover body 31 is hollow, a notch for installing the fixing box 21 is formed in a side wall of one side of the cover body 31, a vertical second sealing plate 221 is fixed below the fixing box 21, and the second sealing plate 221 is used for sealing the notch.
A plurality of mounting shafts 32 are fixed to the lower side of the top plate of the cover body 31, a plurality of bushings 11 are fixed to the outer wall of the voltage transformer body 1, and when the cover body 31 is covered, the mounting shafts 32 are inserted into the corresponding bushings 11.
The cover body 31 is provided with symmetrically distributed bottom plates 33 in a sliding manner at positions close to the bottom, supporting blocks 34 for supporting the voltage transformer body 1 are fixed on the bottom plates 33, a vertical pushing plate 35 is fixed at one end, located outside, of the bottom plates 33, and when the voltage transformer body 1 is placed, the pushing plate 35 is supported on a placing surface;
a plurality of heat dissipation holes 36 are formed in the bottom plate 33, a plurality of sliding shafts 37 are slidably arranged at the bottom of the cover body 31, a second spring 39 is connected between each sliding shaft 37 and the cover body 31, an L-shaped connecting shaft 38 is connected to one side of each sliding shaft 37, a tapered shaft 310 is connected to the upper end of each L-shaped connecting shaft 38, the tapered shafts 310 correspond to the heat dissipation holes 36 one by one, the tapered shafts 310 are sleeved in the heat dissipation holes 36, the tips of the tapered shafts 310 face upwards, the heat dissipation holes 36 are completely sealed by the tapered shafts 310 under the action of the second springs 39, a pressing block 311 is fixed above each tapered shaft 310, L-shaped air bags 312 are fixed on the inner walls of the two sides of the cover body 31, the L-shaped air bags 312 are located above the pressing block 311, a connecting pipe 4 is arranged between each first air bag 222 and the L-shaped air bags 312, carbon dioxide gas is filled in the L-shaped air bags 312, and the pressing block 311 can be contacted by the carbon dioxide gas filled in the first air bags 222 at a set temperature, however, the first air bag 222 does not apply pressure to the pressing block 311, and the above-mentioned set temperature refers to an artificially set temperature, for example, the artificially set temperature is 40 °, and the voltage transformer does not affect the performance thereof at this temperature, when the temperature in the cover 31 increases, the gas in the L-shaped air bag 312 expands due to heating and will push against the pressing block 311 to make the tapered shaft 310 automatically move down, so that a gap is formed between the tapered shaft 310 and the heat dissipation hole 36, and the higher the temperature is, the larger the gap is, and the better the heat dissipation effect is.
The L-shaped airbag 312 is used for filling a gap between the cover 31 and the voltage transformer body 1, so as to protect the voltage transformer body 1 and facilitate transportation.
Meanwhile, the opening size of the heat dissipation hole 36 can be controlled by artificially controlling the inflation amount of the L-shaped airbag 312.
During the use, the manual conducting wire card that will connect lug 22 is in corresponding first arc wall 28, then the exposed end card after skinning the conducting wire is in second U-shaped draw-in groove 212, can straighten it through dragging the conducting wire, through installing installation piece 25 in installing port 23, insert trapezoidal piece 217 corresponding rectangle jack 213, rotate drive button 219 control trapezoidal piece 217 and move down, and then make the inclined plane of trapezoidal piece 217 promote insulation board 210 and move down, make the conducting wire centre gripping between first arc wall 28 and second arc wall 29, avoid this voltage transformer to drop or shift because of the conducting wire arouses circuit failure at the in-process that uses.
Meanwhile, the exposed end of the conducting wire is clamped into the first U-shaped clamping groove in the conducting strip 211 under the driving of the second U-shaped clamping groove 212, the wiring process is achieved, the wiring mode is simple to operate, the situation that a screw for fixing the conducting wire is screwed for multiple times when the conducting wire is replaced in installation is avoided, and meanwhile, the trapezoidal block 217 gradually presses one side, close to the installation opening 23, of the rectangular insertion hole 213 in the downward moving process, so that the installation opening 23 is tightly pressed by the first sealing plate 24, the installation opening 23 is sealed, and water is prevented from entering the fixing box 21.
When transporting this voltage transformer, with L shape gasbag 312 sufficient gas, can fill the gap between cover body 31 and the voltage transformer body 1, can play the cushioning effect to voltage transformer body 1 at the in-process of transportation, the probability of damage when reducing the transportation.
When the voltage transformer is used, the L-shaped air bag 312 is inflated, the air in the L-shaped air bag 312 can expand or contract according to the temperature of the cover body 31, when the gas is expanded, the bottom of the L-shaped air bag 312 compresses the pressing block 311, so that the tapered shaft 310 moves downwards, the more the tapered shaft 310 moves downwards, the larger the gap between the heat dissipation hole 36 and the tapered shaft 310 is, the better the heat dissipation effect is, when the weather is rainy or snowy or low-temperature outdoors, the temperature on the surface of the cover body 31 is reduced, the L-shaped air bag 312 is contracted, the tapered shaft 310 moves upwards, and the tapered shaft 310 completely seals the heat dissipation hole 36, so that rainwater can be prevented from entering the cover body 31, the corrosion of rainwater to the voltage transformer body 1 is avoided, the service life of the voltage transformer is prolonged, meanwhile, the heat dissipation hole 36 is closed, so that heat can be preserved in the cover body 31 in low-temperature weather, and the influence of low temperature on the normal work of the voltage transformer body 1 is avoided.
Simultaneously after conical shaft 310 inserts louvre 36, can be spacing to bottom plate 33, avoid it to take place to remove, after conical shaft 310 carries out the shutoff completely to louvre 36, two supporting shoes 34 meet, can realize the sealed bottom the cover body 31, when the existence gap between conical shaft 310 and louvre 36, also no longer be in close contact with between two supporting shoes 34 for the heat also can be followed and dispersed between two supporting shoes 34, has improved the radiating effect.
After the L-shaped bladder 312 is inflated, the first bladder 222 is also inflated because the first bladder 222 is in communication with the L-shaped bladder 312, and the gaps between the first arc-shaped groove 28, the second arc-shaped groove 29, and the conductive wires can be sealed.
When a fire disaster occurs in the fixing box 21, the first airbag 222 corresponding to the fire disaster position is fused, carbon dioxide in the L-shaped airbag 312 is discharged through the fused part of the connecting pipe 4, automatic fire extinguishing of the fixing box 21 is realized, when carbon dioxide in the L-shaped airbag 312 cannot be completely extinguished, after gas in the L-shaped airbag 312 is discharged, under the effect of the second spring 39, the sliding shaft 37 ascends, and then the conical shaft 310 is controlled to ascend, sealing of the heat dissipation hole 36 is realized, contact between the inside of the protection cover 3 and the inside of the fixing box 21 and air is reduced, in the combustion process, the oxygen content in the protection cover 3 and the inside of the fixing box 21 is gradually reduced, and automatic fire extinguishing can also be realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. An outdoor voltage transformer with self anti-corrosion capability comprises a voltage transformer body (1), and is characterized in that a wiring device (2) is arranged on one side of the voltage transformer body (1), and a protective cover (3) is sleeved on the voltage transformer body (1);
the wiring device (2) comprises a fixing box (21) fixed on one side of the voltage transformer body (1), a plurality of wiring lugs (22) of the voltage transformer body (1) are arranged in the fixing box (21), and a first U-shaped clamping groove is formed in the top of each wiring lug (22); a plurality of mounting openings (23) are formed in one side, away from the voltage transformer body (1), of the fixing box (21), and the mounting openings (23) correspond to the lugs (22) one to one;
the wiring device (2) further comprises a first sealing plate (24) for sealing the mounting opening (23).
2. An outdoor voltage transformer with self-corrosion protection according to claim 1, characterized in that one side of the first sealing plate (24) is provided with a mounting block (25).
3. The outdoor voltage transformer with the self-corrosion-prevention capacity according to claim 2, wherein the first sealing plate (24) is provided with a rectangular hole (26), the rectangular hole (26) penetrates through the first sealing plate (24) and the mounting block (25), a sliding groove is formed above the rectangular hole (26) in a communicating manner, a vertical sliding sheet (27) is arranged in the sliding groove in a sliding manner, a first arc-shaped groove (28) is formed below the sliding sheet (27), a second arc-shaped groove (29) is formed below the rectangular hole (26) in a communicating manner, and first air bags (222) are arranged on the inner wall of the first arc-shaped groove (28) and the inner wall of the second arc-shaped groove (29).
4. An outdoor voltage transformer with self-corrosion-prevention capability according to claim 3, wherein the sliding sheet (27) is vertically provided with an insulating plate (210), the insulating plate (210) is vertically provided with a conducting sheet (211), the insulating plate (210) is provided with a rectangular jack (213), when the first sealing plate (24) is installed on the installation opening (23), the conducting sheet (211) is located on one side of the lug plate (22) close to the voltage transformer body (1), and the rectangular jack (213) is located outside the fixing box (21).
5. The outdoor voltage transformer with self-corrosion prevention capability according to claim 1, the novel sealing plate is characterized in that a first connecting plate (214) is fixed on the first sealing plate (24), a plurality of first springs (215) are connected between the first connecting plate (214) and the insulating plate (210), a second connecting plate (220) is fixed above the fixed box (21), a plurality of threaded holes are formed in the second connecting plate (220), the positions of the threaded holes correspond to the mounting holes (23) one to one, the threaded holes are located right above corresponding rectangular insertion holes (213), a rotating rod (216) is installed in each threaded hole in a sleeved mode, a trapezoidal block (217) is arranged below the rotating rod (216) in a rotating mode, the trapezoidal block (217) is used for being inserted into the rectangular insertion holes (213), the tip of the trapezoidal block (217) faces downwards, and the side face, close to the first sealing plate (24), of the trapezoidal block (217) is an inclined face.
6. The outdoor voltage transformer with the self-corrosion-prevention capability of claim 5, wherein a lead screw (218) is fixed above the rotating rod (216), a driving button (219) is fixed above the lead screw (218), and after the trapezoidal block (217) is inserted into the rectangular insertion hole (213), the lead screw (218) is matched with the threaded hole by rotating the driving button (219).
7. The outdoor voltage transformer with the self-corrosion-prevention capability according to claim 1, wherein the protective cover (3) comprises a cover body (31), the bottom of the cover body (31) is hollow, one side wall of the cover body (31) is provided with a notch for installing the fixing box (21), a vertical second sealing plate (221) is fixed below the fixing box (21), and the second sealing plate (221) is used for sealing the notch.
8. The outdoor voltage transformer with self-corrosion protection capability according to claim 7, characterized in that a plurality of mounting shafts (32) are fixed below the top plate of the cover body (31), a plurality of shaft sleeves (11) are fixed on the outer wall of the voltage transformer body (1), and when the cover body (31) is covered on the cover body, the mounting shafts (32) are inserted into the corresponding shaft sleeves (11);
the voltage transformer is characterized in that symmetrically distributed bottom plates (33) are arranged on the cover body (31) close to the bottom in a sliding mode, supporting blocks (34) used for supporting the voltage transformer body (1) are fixed on the bottom plates (33), and a vertical pushing plate (35) is fixed at one end, located outside, of the bottom plates (33).
9. The outdoor voltage transformer with self-corrosion protection capability according to claim 8, the novel energy-saving air-conditioning cover is characterized in that a plurality of heat dissipation holes (36) are formed in the bottom plate (33), a plurality of sliding shafts (37) are arranged at the bottom of the cover body (31) in a sliding mode, second springs (39) are connected between the sliding shafts (37) and the cover body (31), an L-shaped connecting shaft (38) is connected to one side of each sliding shaft (37), conical shafts (310) are connected to the upper ends of the L-shaped connecting shafts (38), the conical shafts (310) correspond to the heat dissipation holes (36) one by one, the conical shafts (310) are sleeved in the heat dissipation holes (36), the pointed ends of the conical shafts (310) face upwards, pressing blocks (311) are fixed to the upper portions of the conical shafts (310), L-shaped air bags (312) are fixed to inner walls of the two sides of the cover body (31), the L-shaped air bags (312) are located above the pressing blocks (311), and connecting pipes (4) are arranged between the first air bags (222) and the L-shaped air bags (312).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211037790.1A CN115116721B (en) | 2022-08-29 | 2022-08-29 | Outdoor voltage transformer with self anticorrosion capability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211037790.1A CN115116721B (en) | 2022-08-29 | 2022-08-29 | Outdoor voltage transformer with self anticorrosion capability |
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| CN115116721A true CN115116721A (en) | 2022-09-27 |
| CN115116721B CN115116721B (en) | 2022-12-13 |
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| CN202211037790.1A Active CN115116721B (en) | 2022-08-29 | 2022-08-29 | Outdoor voltage transformer with self anticorrosion capability |
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| CN116359564A (en) * | 2023-05-04 | 2023-06-30 | 南京国网南自电气自动化有限公司 | Antifog dirt-proof electric power instrument |
| CN118173359A (en) * | 2024-05-11 | 2024-06-11 | 国网安徽省电力有限公司蚌埠供电公司 | External terminal mounting structure of post bench transformer |
| CN118213156A (en) * | 2023-04-14 | 2024-06-18 | 南京开聚电子科技有限公司 | Power electronic transformer |
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| CN211604865U (en) * | 2020-04-28 | 2020-09-29 | 广东万业电力消防工程有限公司 | Transformer base structure convenient to installation and wiring |
| CN112700944A (en) * | 2020-12-21 | 2021-04-23 | 贵港湖嘉电子科技有限公司 | Waterproof box type transformer for rainy area |
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| Publication number | Publication date |
|---|---|
| CN115116721B (en) | 2022-12-13 |
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Effective date of registration: 20230228 Address after: 221300 506, block B, electronic industrial park, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Bochuang Construction Development Group Co.,Ltd. Address before: China Amorphous City, Huancheng North Road, Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province 221300 Patentee before: China mutual electric (Jiangsu) Co.,Ltd. |