CN117542634B - Explosion-proof dry-type transformer - Google Patents
Explosion-proof dry-type transformer Download PDFInfo
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- CN117542634B CN117542634B CN202311739078.0A CN202311739078A CN117542634B CN 117542634 B CN117542634 B CN 117542634B CN 202311739078 A CN202311739078 A CN 202311739078A CN 117542634 B CN117542634 B CN 117542634B
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- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 24
- 238000013016 damping Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- H01F27/33—Arrangements for noise damping
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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
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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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an explosion-proof dry-type transformer, which comprises a protective shell and a transformer body arranged in the protective shell. This flame proof type dry-type transformer carries out elastic bearing through accepting buffer module to the transformer body, reduce the noise of transformer body vibration, cooperation heat dissipation limiting component carries out the circumference spacing to the transformer body, when realizing the flame proof effect, can also guarantee the effective heat dissipation of transformer body, cooperation traction check keeps off the subassembly, in the transformer body assembly process, improve the protection height, and when overhauling, can realize the convenient reduction of protection height, under the setting of shutoff alarm component, realize when spacing to the protection height, with voltage detection's mode, realize burglar alarm, when reducing shutoff alarm component by destruction risk, realize making an uproar falls the surrounding of transformer body, reduce the noise influence to surrounding environment in the transformer body operation process.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an explosion-proof dry-type transformer.
Background
The explosion-proof dry-type transformer is used in places with explosion danger in mines, and is mainly structurally characterized in that all joint surfaces of the box shells are manufactured according to explosion-proof requirements and can bear internal pressure of 0.8 megapascals.
The conventional transformer is generally applied to an outdoor environment, the anti-theft means is that a box cover and a box edge are welded to each other, the anti-theft effect is poor, the follow-up maintenance of the transformer is difficult, the maintenance workload is large, or a special anti-theft bolt is adopted, the effect is not obvious, hydraulic damage pliers or small gas cutting can be damaged, in addition, when some trigger type anti-theft structures are adopted, the situation of false triggering is easy to occur, the anti-theft precision is poor, for example, the anti-theft transformer with the application number 202210029303.0 is provided, bright light and harshness alarm sound are emitted when an illegal person tries to steal the transformer, the illegal person is warned, illegal actions are prevented in time, excessive damage to related equipment of the transformer is avoided, and visual images of the illegal person are photographed and recorded in time when the illegal person does not consider the violent light warning and attempts to steal the transformer.
Based on the retrieval of the above data, it can be seen that the anti-theft measures of the existing dry-type transformer are usually arranged in the external environment, so that the anti-theft measures are easy to damage, and the mode of picture recording by adopting the camera is adopted, the camera is covered and then is deactivated, so that the ideal anti-theft effect cannot be achieved, the noise is larger in the running process of the outdoor set transformer, noise interference is easily generated to the surrounding environment, and the explosion-proof protection structure of the existing dry-type transformer is often unable to provide convenience for heat dissipation and subsequent overhaul of the dry-type transformer, and the long effective service life of the dry-type transformer is affected.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides the explosion-proof dry type transformer, which solves the problems that the anti-theft means of the conventional transformer cannot achieve the ideal anti-theft effect, the outdoor set transformer has larger noise in the operation process and is easy to generate noise interference to the surrounding environment, and the explosion-proof protection structure of the conventional dry type transformer cannot provide convenience for heat dissipation and subsequent overhaul of the conventional dry type transformer, and the long effective service life of the conventional dry type transformer is influenced.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an explosion-proof dry-type transformer, includes protecting sheathing and the transformer body of setting in protecting sheathing, protecting sheathing's inside is provided with the heat dissipation spacing subassembly and accepts the buffer module with transformer body looks adaptation, still be provided with on the protecting sheathing and pull the check and keep off the subassembly, pull the check and keep off the subassembly and accept buffer module and cooperate the use, the top that pulls the check and keep off the subassembly still is provided with shutoff alarm component.
In order to ensure the normal heat dissipation of the transformer body, the invention is further provided with: the heat dissipation limiting assembly comprises four I-shaped heat conducting plates, the four I-shaped heat conducting plates are distributed in a rectangular array, one side of each I-shaped heat conducting plate is fixedly connected with a plurality of heat dissipation fins, movable grooves matched with the heat dissipation fins are formed in the surface of each protective casing, the bottoms of the I-shaped heat conducting plates are fixedly connected with L-shaped plates, the L-shaped plates are composed of vertical parts and integrally formed horizontal parts, the surfaces of the vertical parts of the L-shaped plates penetrate through and are slidably provided with guide rods, limiting plates are fixedly connected to the two ends of the guide rods, grooved fixing plates are sleeved on the periphery of the guide rods, the outer surfaces of the horizontal parts of the L-shaped plates are matched with the inner parts of the grooved fixing plates, first springs are sleeved on the periphery of the guide rods, two ends of each first spring are fixedly connected with one side of each L-shaped heat conducting plate, which is opposite to the vertical parts of the grooved fixing plates, and the tops of the grooved fixing plates are fixedly connected with limiting protection plates.
The invention is further provided with: the four fixed plates with the grooves are fixedly connected to the bottom of the inner cavity of the protective shell, and the bottom of the horizontal part of the L-shaped plate is in sliding contact with the bottom of the protective shell;
The top of the I-shaped heat conducting plate is hinged with an inclined feeding plate through a hinge.
In order to ensure that four tooling plates are attached to the ring Zhou Jiangzao of the transformer body, the invention is further configured to: and right-angle limiting plates are slidably arranged between two adjacent I-shaped heat conducting plates.
The invention is further provided with: the bearing buffer assembly comprises a net supporting plate, a plurality of inserting rods are fixedly connected to the bottom of the net supporting plate, a second spring is sleeved on the outer Zhou Jun of the plurality of inserting rods, two ends of the second spring are fixedly connected with the bottoms of the net supporting plate and the inner cavity of the protective shell respectively, and the bottom ends of the inserting rods penetrate through the protective shell and extend to the lower side of the protective shell;
the ladder groove matched with the net supporting plate is formed in the top of the limiting protection plate, and the inserting rods are arranged in the ladder groove.
In order to improve the theft difficulty of the transformer body, the invention is further provided with: the traction grid baffle assembly comprises an isolation outer frame, the isolation outer frame is sleeved on the periphery of the protective casing and is slidably mounted on the periphery of the protective casing, grooves matched with radiating fins are formed in the bottom of the isolation outer frame, guide wheels are rotatably mounted on two sides of the inclined feeding plate, a plurality of traction ropes are fixedly connected to the inside of the isolation outer frame, long grooves matched with the traction ropes are formed in the periphery of the protective casing, one ends of the traction ropes penetrate through the long grooves and then pass through the tops of the guide wheels and pass through an I-shaped heat conducting plate, one side of the net support plate is fixedly connected, and wire passing grooves matched with the traction ropes are formed in the other side of the I-shaped heat conducting plate.
In order to realize the anti-theft early warning, the invention is further provided with: the plugging alarm assembly comprises a cover plate, the top of frame is kept apart to the bottom of apron, the equal fixedly connected with single-end insulating screw thread post of four corners of shell inner chamber bottom, four the equal through-plate setting of single-end insulating screw thread post, the periphery cover of single-end insulating screw thread post is equipped with two insulating stop collars, the periphery of single-end insulating screw thread post is still twined and is provided with the resistance wire, the bottom fixedly connected with power supply detection spare of shell inner chamber, the input of power supply detection spare passes through the bottom fixed connection of wire and resistance wire, the equal fixedly connected with of both sides of shell inner chamber is L type conducting strip, the output of power supply detection spare passes through one side fixed connection of wire and L type conducting strip, the bottom fixedly connected with four locating plates of apron, one side mosaic of locating plate is fixed with the conducting strip, the bottom fixedly connected with elastic conductive metal piece on one side of conducting strip, the surface of elastic conductive metal piece contacts with the surface of resistance wire, and one side of conducting strip and the surface sliding contact of L type conducting strip.
In order to ensure anti-theft early warning, the invention is further provided with: the power supply detection part comprises a mounting box, a secondary battery, a control switch, a voltage sensor, a single chip microcomputer and an alarm are fixedly connected in the mounting box, the secondary battery forms a series connection closed loop with the control switch, an L-shaped conducting strip, a conducting strip, an elastic conducting metal sheet and a resistance wire through two conducting wires, the voltage sensor is arranged in parallel with the secondary battery, the single chip microcomputer is respectively in butt joint with the voltage sensor and the alarm, the single chip microcomputer is used for setting a voltage standard value and is used as an alarm threshold, the actual voltage detected by the voltage sensor is compared with the alarm threshold, and when the actual voltage exceeds the alarm threshold, the alarm is controlled to alarm.
In order to avoid false triggering, the invention is further configured to: the top fixedly connected with of apron has the recipient with the damping sleeve of single-end insulating screw thread post looks adaptation, the top of single-end insulating screw thread post still screw thread complex has the recipient, the annular has been seted up to the bottom of recipient, and the internal surface of annular and damping sleeve's surface looks adaptation.
In order to improve the application range of the device, the invention is further provided with: the bottom of protective housing fixedly connected with two assembly jig, two the bottom of assembly jig passes through the bolt and is common fixedly connected with two I-shaped pads, the bottommost of inserted bar is in between the top and the bottom of I-shaped pad.
(III) beneficial effects
The invention provides an explosion-proof dry-type transformer. The beneficial effects are as follows:
(1) According to the invention, the buffer assembly is used for elastically bearing the transformer body, so that vibration noise of the transformer body is reduced, the heat dissipation limiting assembly is matched, the circumference limiting of the transformer body is realized, the effective heat dissipation of the transformer body can be ensured while the explosion suppression effect is realized, the traction grid blocking assembly is matched, the protection height is improved in the assembly process of the transformer body, the protection height can be conveniently reduced during maintenance, the protection height is limited while the anti-theft alarm is realized in a voltage detection mode while the blocking alarm assembly is arranged, the surrounding noise reduction of the transformer body is realized while the damage risk of the blocking alarm assembly is reduced, and the noise influence on the surrounding environment in the operation process of the transformer body is reduced.
(2) According to the invention, the four I-shaped heat conducting plates are used for carrying out circumferential protection on the transformer body, the I-shaped heat conducting plates are ensured to be in effective contact with the surface of the transformer body under the cooperation of the fixed plate with the grooves, the first springs, the guide rods and the L-shaped plates, and the heat radiating fins are matched with the movable grooves, so that the heat radiating fins can be extended to the external environment, and the guarantee is provided for heat radiation of the transformer body.
(3) According to the invention, through the arrangement of the inclined feeding plate, convenient support is provided for the assembly of the transformer body, and meanwhile, under the cooperation of the net supporting plate, the traction rope, the guide wheel, the isolation outer frame, the long groove and the wire passing groove, the effective lifting of the isolation outer frame is ensured in the descending process of the net supporting plate, so that the improvement of the protection height is realized, the theft difficulty is improved, and meanwhile, the isolation outer frame can be dropped after the traction rope is disconnected, so that convenience is provided for the overhaul of the transformer body.
(4) According to the invention, through the matching arrangement of the positioning plate, the conducting strip, the elastic conducting metal sheet, the resistance wire, the L-shaped conducting sheet and the power supply detection piece, after the device is stably installed, the elastic conducting metal sheet is stably contacted with the resistance wire, the voltage measured by the power supply detection piece at the moment is used as the standard voltage, the theft risk can be judged when the voltage fluctuation condition appears later, the stability of connection between the cover plate and the isolation outer frame is ensured by matching with the arrangement of the single-head insulating threaded column, the cover plate, the damping sleeve, the extrusion barrel and the ring groove, the occurrence of false triggering condition is avoided, and through the arrangement of the alarm, when the theft risk appears, timely alarm can be carried out, the anti-theft effect is improved, and meanwhile, the anti-theft equipment is arranged inside the device, so that the risk of damaging the anti-theft equipment is effectively reduced, and the anti-theft effect is effectively ensured.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the protective housing of the present invention;
FIG. 3 is a schematic diagram of a heat dissipation assembly according to the present invention;
FIG. 4 is a schematic diagram of the connection of the I-shaped heat conducting plate and the right angle limiting plate structure of the present invention;
FIG. 5 is a schematic view of the structure of the protective housing, receiving buffer assembly and limiting protective plate of the present invention;
FIG. 6 is a schematic illustration of the connection of the traction grid assembly and the web pallet structure of the present invention;
FIG. 7 is a schematic view of the structure of the protective housing of the present invention;
FIG. 8 is a schematic diagram of the connection of the cover plate, damping sleeve, positioning plate, conductive strips and elastic conductive sheet metal structure of the present invention;
FIG. 9 is a schematic diagram of a plugging alarm assembly of the present invention;
Fig. 10 is a schematic structural view of the power supply detecting member of the present invention.
In the figure, 1, a protective shell; 2. a transformer body; 3. a heat dissipation limit assembly; 4. a receiving buffer assembly; 5. a traction grid assembly; 6. plugging the alarm assembly; 7. an I-shaped heat conducting plate; 8. a heat radiation fin; 9. a movable groove; 10. an L-shaped plate; 11. a guide rod; 12. a grooved fixing plate; 13. a first spring; 14. a limit protection plate; 15. a chute; 16. tilting the feeding plate; 17. a right angle limiting plate; 18. a net support plate; 19. a rod; 20. a second spring; 21. a stepped groove; 22. an isolation outer frame; 23. an I-shaped pad; 24. a groove; 25. a guide wheel; 26. a traction rope; 27. a long groove; 28. wire passing grooves; 29. a cover plate; 30. a single-ended insulated threaded post; 31. an insulating limit sleeve; 32. a resistance wire; 33. a power supply detecting member; 34. an L-shaped conductive sheet; 35. a positioning plate; 36. a conductive strip; 37. an elastic conductive metal sheet; 38. a mounting box; 39. a secondary battery; 40. a control switch; 41. a voltage sensor; 42. a single chip microcomputer; 43. an alarm; 44. a damping sleeve; 45. an extrusion cylinder; 46. a ring groove; 47. and (5) an assembly frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-10, the following two technical schemes are provided in the embodiments of the present invention:
Embodiment 1,
An explosion-proof dry-type transformer comprises a protective shell 1, a transformer body 2, a heat dissipation limiting assembly 3, a bearing buffer assembly 4 and a traction grid assembly 5.
As a preferred scheme, in order to realize the elastic support to the transformer body 2, accept buffer assembly 4 and include net layer board 18, and the top of net layer board 18 is arranged in to the transformer body 2, and the bottom fixedly connected with of net layer board 18 has a plurality of inserted bar 19, and the outer Zhou Jun cover of a plurality of inserted bar 19 is equipped with second spring 20, and the both ends of second spring 20 respectively with the bottom fixed connection of net layer board 18 and protecting sheathing 1 inner chamber, the bottom of inserted bar 19 runs through protecting sheathing 1 to extend to protecting sheathing 1's below.
As the preferred scheme, in order to guarantee the heat dissipation of transformer body 2, heat dissipation limiting assembly 3 includes four I-shaped heat-conducting plates 7, four I-shaped heat-conducting plates 7 are rectangular array distribution, one side fixedly connected with a plurality of fin 8 of I-shaped heat-conducting plates 7, the movable slot 9 with fin 8 looks adaptation is seted up on the surface of protecting sheathing 1, transformer body 2 arranges in between four I-shaped heat-conducting plates 7, in order to guarantee the effective laminating of I-shaped heat-conducting plates 7 and transformer body 2, the bottom fixedly connected with L template 10 of I-shaped heat-conducting plates 7, the surface of the vertical portion of L template 10 runs through and slidable mounting has guide arm 11, the equal fixedly connected with limiting plate in both ends of guide arm 11, the periphery cover of guide arm 11 is equipped with trough of belt fixed plate 12, the equal fixedly connected with in the bottom of protecting sheathing 1 inner chamber of four trough fixed plate 12, and the periphery cover of L template 10 horizontal portion is used with the inside of trough fixed plate 12, the periphery of guide arm 11 is still overlapped and is equipped with first spring 13, the both ends of first spring 13 respectively with the relative one side fixed connection of L10 vertical portion and fixed plate 12, the bottom fixed plate 12 of four trough plates 7 and the top of four trough fixed plates 10 are equipped with the top of the equal side of trough fixed connection of trough plate 10 and the top fixed plate 14 of the equal side of trough plate 10, the top of the equal trough of L template 10 is contacted with the top fixed plate of the top protection plate of the top plate of the L template 10 is equipped with the top of the top protection plate of the trough plate 1, the top plate is contacted with the top of the top protection plate of the top plate of the trough plate is fixed plate of the top plate of the trough plate is equipped with the trough bottom plate is 1.
And, the top of spacing protection shield 14 has seted up the ladder groove 21 with net layer board 18 looks adaptation, and a plurality of inserted bar 19 all set up in the inside of ladder groove 21, and the bottom fixedly connected with of protective housing 1 two assembly brackets 47, the bottom of two assembly brackets 47 is through the common fixedly connected with two I-shaped pads 23 of bolt, and the bottom of inserted bar 19 is in between the top and the bottom of I-shaped pad 23.
Further, in order to ensure the stability of the relative positions of the four i-shaped heat conducting plates 7 and further improve the noise reduction effect in the running process of the transformer body 2, right-angle limiting plates 17 are slidably arranged between two adjacent i-shaped heat conducting plates 7.
As a preferred scheme, in order to improve the circumference protection effect to the transformer body 2, the traction grid keeps off subassembly 5 includes keeping apart frame 22, keep apart the frame 22 cover and establish and slidable mounting and protect the periphery of shell 1, and keep apart the bottom of frame 22 and offer the recess 24 with fin 8 looks adaptation, in order to conveniently place the transformer body 2 between four worker's type heat conduction boards 7, still there is slope loading plate 16 at the top of worker's type heat conduction board 7 through the hinge, the leading wheel 25 is all installed in the both sides rotation of slope loading plate 16, keep apart the inside fixedly connected with a plurality of haulage rope 26 of frame 22, the elongated slot 27 with haulage rope 26 looks adaptation is offered to the periphery of shell 1, after the elongated slot 27 is passed to the one end of haulage rope 26, pass through the leading wheel 25 top, and pass worker's type heat conduction board 7, with one side fixed connection of net layer board 18, and the wire groove 28 with frame rope 26 looks adaptation is offered to the opposite side of worker's type heat conduction board 7, when transformer body 2 extrudes net 18 and moves down, can make through haulage rope 26 and keep apart the layer board 22 and upwards move, realize the adjustment of protection height.
In this embodiment, dual circumferential isolation of the transformer body 2 is realized, and the theft difficulty of the transformer body 2 can be improved while the influence of the operation noise of the transformer body 2 on the surrounding environment is reduced.
Embodiment II,
The embodiment is an improvement of the previous embodiment, a flameproof dry-type transformer, further comprising a plugging alarm assembly 6 arranged at the top of the traction grid baffle assembly 5, specifically, the plugging alarm assembly 6 comprises a cover plate 29, the bottom of the cover plate 29 is contacted with the top of the isolation outer frame 22, four corners of the bottom of the inner cavity of the protective housing 1 are fixedly connected with single-head insulation threaded columns 30, the four single-head insulation threaded columns 30 are arranged through the cover plate 29, two insulation limiting sleeves 31 are sleeved on the periphery of the single-head insulation threaded columns 30, a resistance wire 32 is further wound on the periphery of the single-head insulation threaded columns 30, a power supply detection part 33 is fixedly connected with the bottom of the inner cavity of the protective housing 1, the input end of the power supply detection part 33 is fixedly connected with the bottom end of the resistance wire 32 through a wire, two L-shaped conductive plates 34 are fixedly connected with two sides of the inner cavity of the protective housing 1, the output end of the power supply detection part 33 is fixedly connected with one side of the L-shaped conducting strip 34 through a wire, the bottom of the cover plate 29 is fixedly connected with four positioning plates 35, one side of each positioning plate 35 is embedded and fixed with a conducting strip 36, the bottom of one side of each conducting strip 36 is fixedly connected with an elastic conducting metal sheet 37, the surface of each elastic conducting metal sheet 37 is contacted with the surface of each resistance wire 32, one side of each conducting strip 36 is in sliding contact with the surface of each L-shaped conducting strip 34, the power supply detection part 33 comprises a mounting box 38, a secondary battery 39, a control switch 40, a voltage sensor 41, a singlechip 42 and an alarm 43 are fixedly connected in the mounting box 38, wherein the voltage sensor 41 is selected from a low-power-consumption voltage sensor commonly used in the market, the singlechip 42 is selected from an SMC62 type microcomputer, the alarm 43 adopts a sound alarm, namely a conventional tweeter can be used for controlling the opening and closing of the secondary battery 39, the secondary battery 39 is controlled by an external remote control switch, a control switch 40, an L-shaped conducting strip 34, a conducting strip 36, an elastic conducting metal sheet 37 and a resistance wire 32 form a series closed loop through two wires, a voltage sensor 41 is arranged in parallel with the secondary battery 39, a singlechip 42 is respectively in butt joint with the voltage sensor 41 and an alarm 43, the singlechip 42 is used for setting a voltage standard value as an alarm threshold, the actual voltage detected by the voltage sensor 41 is compared with the alarm threshold, and the alarm 43 is controlled to alarm when the actual voltage exceeds the alarm threshold.
As a preferred scheme, in order to ensure the stability of the contact between the cover plate 29 and the isolation outer frame 22, the top of the cover plate 29 is fixedly connected with a damping sleeve 44 adapted to the single-head insulation threaded column 30, the top of the single-head insulation threaded column 30 is also in threaded fit with an extrusion barrel 45, the bottom of the extrusion barrel 45 is provided with a ring groove 46, and the inner surface of the ring groove 46 is adapted to the outer surface of the damping sleeve 44.
The advantages of the embodiment over the first embodiment are: the top of the transformer body 2 is isolated and protected, the noise reduction effect is improved, the anti-theft effect of the transformer body 2 is further improved, namely, when the cover plate 29 moves up and down, the elastic conductive metal sheet 37 is driven to move on the resistance wire 32, so that the voltage detected by the voltage sensor 41 changes, namely, the alarm 43 is triggered to give an alarm, and when the anti-theft sensitivity is high, the false triggering condition can be effectively avoided through the arrangement of the extrusion barrel 45, the annular groove 46 and the damping sleeve 44.
When the transformer body 2 is installed, the transformer body 2 is hoisted into the protective shell 1 by using a crane, in the assembling process, the transformer body 2 moves along the inclined feeding plate 16 to push the four I-shaped heat conducting plates 7 to move around, the I-shaped heat conducting plates 7 extend the radiating fins 8 to the outside of the protective shell 1 along the movable grooves 9, the I-shaped heat conducting plates 7 drive the L-shaped plates 10 to move along the sliding grooves 15, in the process, the L-shaped plates 10 drive the guide rods 11 to stretch the first springs 13, when the transformer body 2 moves to the surface of the I-shaped heat conducting plates 7, the first springs 13 are not stretched any more, and the I-shaped heat conducting plates 7 are attached to the surface of the transformer body 2 under the contraction acting force of the first springs 13;
As the transformer body 2 descends continuously, the bottom of the transformer body 2 contacts with the net supporting plate 18 and extrudes the net supporting plate 18, the net supporting plate 18 drives the inserted link 19 to move downwards and extrudes the second spring 20 until the transformer body 2 stops descending, and the assembly of the transformer body 2 is completed;
In the downward movement process of the net supporting plate 18, the traction rope 26 is driven to move downwards, the traction rope 26 pulls the isolation outer frame 22 to move upwards through the guide wheel 25, and after the assembly of the transformer body 2 is completed, the isolation outer frame 22 moves upwards for a certain distance so as to improve the anti-theft difficulty of the transformer body 2;
The cover plate 29 is sleeved on the single-head insulating threaded column 30, so that the cover plate 29 moves downwards to the top of the isolation outer frame 22, the extrusion cylinder 45 is screwed down, the extrusion cylinder 45 moves downwards along the single-head insulating threaded column 30 until the annular groove 46 is completely sleeved on the top of the damping sleeve 44, and at the moment, the cover plate 29 is tightly attached to the top of the isolation outer frame 22;
In the downward moving process of the cover plate 29, the positioning plate 35 drives the conducting strip 36 to pass through the L-shaped conducting strip 34, in the process, the conducting strip 36 is in surface contact with the L-shaped conducting strip 34, along with the descent of the positioning plate 35, the elastic conducting metal strip 37 is in surface contact with the resistance wire 32 and moves downwards on the surface of the resistance wire 32, after the cover plate 29 is tightly attached to the top of the isolation outer frame 22, the control switch 40 is started through the remote control switch, the output end of the secondary battery 39 is sequentially connected with the control switch 40, the L-shaped conducting strip 34, the conducting strip 36, the elastic conducting metal strip 37 and the resistance wire 32 in series, after the resistance wire 32 is connected with the input end of the secondary battery 39 in series through a conducting wire to form a series closed loop, the voltage sensor 41 is used for detecting the voltage of the series closed loop, after the current actual voltage is detected, the current actual voltage is transmitted to the singlechip 42, the singlechip 42 generates a voltage standard value according to the sum of the current actual voltage and a preset error allowable voltage value, after the real-time measured voltage of the singlechip 42 is used as an alarm threshold, the alarm threshold value, the real-time measured voltage of the singlechip 42 is compared with the alarm threshold value, after the real-time measured voltage exceeds the threshold value, the real-time measured voltage is controlled by the singlechip 43, namely, the controller 43 is used for forcedly moving the metal strip to the voltage sensor 29, namely the metal strip is forced to move according to the voltage value, namely the preset to the preset voltage value, the preset value is forced to the preset to the voltage value, the preset to the preset the voltage value, the control wire is changed, and the metal strip is changed, and the metal plate is moved, and the metal plate is forced to be changed, and the metal plate 32, and the metal plate is moved, according to the fact that the voltage is in the preset, and the voltage is moved, and the fact that the voltage is in a change, according to the value, when the value is shown value, is shown by the value, and the fact that the value, is moved.
As an extension, when the device is placed on a mud road surface, the I-shaped pad 23 is removed to enable the assembly frame 47 to be in contact with the ground, so that the net support plate 18 can be extruded in the assembly process of the transformer body 2 to enable the inserting rod 19 to be inserted into the mud road surface, the moving difficulty of the device is improved, and the purpose of improving the anti-theft effect is achieved.
As an extended illustration, when the maintenance of the transformer body 2 is performed, the extrusion cylinder 45 is reversed, the extrusion cylinder 45 is separated from the single-head insulation threaded column 30, then the cover plate 29 is taken down from the single-head insulation threaded column 30, at this time, the L-shaped conductive sheet 34 is separated from the conductive strip 36, and then the traction rope 26 is directly sheared, at this time, the isolation outer frame 22 is pulled by gravity to cause descent, thereby providing convenience for the maintenance of the transformer body 2, after the maintenance is completed, the two sheared traction ropes 26 are tied again after the isolation outer frame is lifted upwards, and in order to ensure the relative fixing of the lengths of the traction ropes 26, the two traction ropes 26 can be directly used for constructing the initial traction ropes 26 by matching with the snap fastener, so that the descent of the isolation outer frame 22 can be realized only by opening the snap fastener, and the stability of the ascending height of the isolation outer frame 22 can be ensured by fastening the snap fastener.
Claims (4)
1. The utility model provides an explosion-proof dry-type transformer, includes protective housing (1) and sets up transformer body (2) in protective housing (1), its characterized in that: the transformer protection device is characterized in that a heat dissipation limiting assembly (3) and a bearing buffer assembly (4) which are matched with the transformer body (2) are arranged in the protection shell (1), a traction check assembly (5) is further arranged on the protection shell (1), the traction check assembly (5) is matched with the bearing buffer assembly (4) for use, and a plugging alarm assembly (6) is further arranged at the top of the traction check assembly (5);
The heat dissipation limiting assembly (3) comprises four I-shaped heat conducting plates (7), the four I-shaped heat conducting plates (7) are distributed in a rectangular array, one side of each I-shaped heat conducting plate (7) is fixedly connected with a plurality of heat dissipation fins (8), a movable groove (9) matched with each heat dissipation fin (8) is formed in the surface of each protective shell (1), an L-shaped plate (10) is fixedly connected to the bottom of each I-shaped heat conducting plate (7), guide rods (11) penetrate through the surface of the vertical part of each L-shaped plate (10) and are slidably mounted, limiting plates are fixedly connected to the two ends of each guide rod (11), a groove fixing plate (12) is sleeved on the periphery of each guide rod (11), the outer surface of each L-shaped plate (10) is matched with the inside of each groove fixing plate (12), a first spring (13) is sleeved on the periphery of each guide rod (11), two ends of each first spring (13) are fixedly connected to one side opposite to the vertical part of each L-shaped plate (10) and each groove fixing plate (12), and the four guide rods (12) are fixedly connected to the top of each groove fixing plate (12);
The periphery of the top of the limit protection plate (14) is provided with sliding grooves (15) matched with the vertical parts of the L-shaped plates (10), the bottom of the I-shaped heat conduction plate (7) is in sliding contact with the top of the limit protection plate (14), the four fixed plates (12) with the grooves are fixedly connected to the bottom of the inner cavity of the protection shell (1), and the bottom of the horizontal part of the L-shaped plates (10) is in sliding contact with the bottom of the protection shell (1);
the top of the I-shaped heat conducting plate (7) is hinged with an inclined feeding plate (16) through a hinge;
The bearing buffer assembly (4) comprises a net supporting plate (18), a plurality of inserting rods (19) are fixedly connected to the bottom of the net supporting plate (18), a second spring (20) is sleeved outside Zhou Jun of each inserting rod (19), two ends of each second spring (20) are fixedly connected with the bottoms of the inner cavities of the net supporting plate (18) and the protective shell (1) respectively, and the bottom ends of the inserting rods (19) penetrate through the protective shell (1) and extend to the lower portion of the protective shell (1);
a step groove (21) matched with the net supporting plate (18) is formed in the top of the limit protection plate (14), and a plurality of inserting rods (19) are arranged in the step groove (21);
The traction grid baffle assembly (5) comprises an isolation outer frame (22), the isolation outer frame (22) is sleeved and slidably mounted on the periphery of the protective housing (1), grooves (24) matched with radiating fins (8) are formed in the bottom of the isolation outer frame (22), guide wheels (25) are rotatably mounted on two sides of the inclined feeding plate (16), a plurality of traction ropes (26) are fixedly connected to the inside of the isolation outer frame (22), long grooves (27) matched with the traction ropes (26) are formed in the periphery of the protective housing (1), one ends of the traction ropes (26) penetrate through the tops of the guide wheels (25) and penetrate through an I-shaped heat conducting plate (7), one sides of the I-shaped heat conducting plate (18) are fixedly connected, and wire passing grooves (28) matched with the traction ropes (26) are formed in the other sides of the I-shaped heat conducting plate (7);
the plugging alarm assembly (6) comprises a cover plate (29), the top of an outer frame (22) is isolated at the bottom of the cover plate (29), four corners at the bottom of an inner cavity of a protective housing (1) are fixedly connected with single-head insulating threaded columns (30), four single-head insulating threaded columns (30) are arranged penetrating through the cover plate (29), two insulating limiting sleeves (31) are sleeved on the periphery of the single-head insulating threaded columns (30), a resistance wire (32) is further wound on the periphery of the single-head insulating threaded columns (30), a power supply detection piece (33) is fixedly connected to the bottom of the inner cavity of the protective housing (1), the input end of the power supply detection piece (33) is fixedly connected with the bottom of the resistance wire (32) through a wire, two L-shaped conducting strips (34) are fixedly connected to the output end of the power supply detection piece (33) through a wire and one side of the L-shaped conducting strips (34), four positioning plates (35) are fixedly connected to the bottom of the single-head insulating threaded columns (30), one side of the metal strips (36) are fixedly connected with one side of the metal strips (37) which are fixedly connected with one side of the metal strips (37), and one side of the conductive strip (36) is in sliding contact with the surface of the L-shaped conductive sheet (34);
the power supply detection part (33) comprises a mounting box (38), a secondary battery (39), a control switch (40), a voltage sensor (41), a single chip microcomputer (42) and an alarm (43) are fixedly connected in the mounting box (38), the secondary battery (39) forms a series closed loop with the control switch (40), an L-shaped conducting strip (34), a conducting strip (36), an elastic conducting metal sheet (37) and a resistance wire (32) through two conducting wires, the voltage sensor (41) is arranged in parallel with the secondary battery (39), the single chip microcomputer (42) is respectively in butt joint with the voltage sensor (41) and the alarm (43), the single chip microcomputer (42) is used for setting a voltage standard value and is used as an alarm threshold, the actual voltage detected by the voltage sensor (41) is compared with the alarm threshold, and the alarm (43) is controlled to give an alarm when the actual voltage exceeds the alarm threshold.
2. The flameproof dry transformer according to claim 1, wherein: right-angle limiting plates (17) are slidably arranged between two adjacent I-shaped heat conducting plates (7).
3. The flameproof dry transformer according to claim 1, wherein: the top fixedly connected with of apron (29) is with damping sleeve (44) of single-end insulating screw thread post (30) looks adaptation, the top of single-end insulating screw thread post (30) still screw thread fit has extrusion section of thick bamboo (45), annular (46) have been seted up to the bottom of extrusion section of thick bamboo (45), and the internal surface of annular (46) and the surface looks adaptation of damping sleeve (44).
4. The flameproof dry transformer according to claim 1, wherein: the bottom of the protective housing (1) is fixedly connected with two assembly frames (47), the bottoms of the two assembly frames (47) are fixedly connected with two I-shaped pads (23) together through bolts, and the bottommost end of the inserted link (19) is positioned between the top and the bottom of the I-shaped pad (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311739078.0A CN117542634B (en) | 2023-12-18 | 2023-12-18 | Explosion-proof dry-type transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311739078.0A CN117542634B (en) | 2023-12-18 | 2023-12-18 | Explosion-proof dry-type transformer |
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| Publication Number | Publication Date |
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| CN117542634A CN117542634A (en) | 2024-02-09 |
| CN117542634B true CN117542634B (en) | 2024-05-14 |
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| CN202311739078.0A Active CN117542634B (en) | 2023-12-18 | 2023-12-18 | Explosion-proof dry-type transformer |
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| CN118231088B (en) * | 2024-05-24 | 2024-08-30 | 南通盛洋电气有限公司 | Dampproofing dry-type transformer |
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| CN116507104A (en) * | 2023-05-09 | 2023-07-28 | 北京澳丰源科技股份有限公司 | Isolation device of radio frequency transceiver |
| CN219800597U (en) * | 2023-03-24 | 2023-10-03 | 广昌县中广创新电子科技有限公司 | Power transformer with protection mechanism |
| CN117711745A (en) * | 2023-12-13 | 2024-03-15 | 南京立业电力变压器有限公司 | Noise-reduction type transformer mounting structure and use method thereof |
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|---|---|---|---|---|
| CN212209191U (en) * | 2020-06-01 | 2020-12-22 | 济南恒固电器有限公司 | Transformer with automatic alarm power-off function |
| KR102237901B1 (en) * | 2020-08-31 | 2021-04-08 | 대한전기감리(주) | High tension substation with improved aseismic capacity |
| CN115295275A (en) * | 2022-09-05 | 2022-11-04 | 深圳市唐朝兄弟电子有限公司 | Transformer with safe heat dissipation function |
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| CN117542634A (en) | 2024-02-09 |
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