CN117153544B - High stability dry-type transformer - Google Patents
High stability dry-type transformer Download PDFInfo
- Publication number
- CN117153544B CN117153544B CN202311402627.5A CN202311402627A CN117153544B CN 117153544 B CN117153544 B CN 117153544B CN 202311402627 A CN202311402627 A CN 202311402627A CN 117153544 B CN117153544 B CN 117153544B
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- Prior art keywords
- laser
- follow
- elastic cushion
- cushion block
- piece
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 7
- 239000003086 colorant Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Abstract
The invention relates to a high-stability dry-type transformer, which is characterized in that through the arrangement of an elastic cushion block monitoring module, when the elastic cushion block just generates an offset condition, a follow-up piece can be caused to rotate to a certain extent, so that the position of a laser beam passing through a beam splitter on a follow-up frame is offset and changed, a laser receiver can only receive weaker laser signals or can not receive the laser signals, the offset amplitude of the elastic cushion block is primarily judged according to the receiving signal condition of the laser signals, the remote real-time monitoring of the position of the elastic cushion block is realized, the large-amplitude offset of the elastic cushion block is effectively avoided, the stability of an iron core is effectively ensured, and the stable running of the transformer with low noise is effectively maintained.
Description
Technical Field
The invention relates to a dry-type transformer, in particular to a high-stability dry-type transformer applied to the field of transformers.
Background
Dry transformers are widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply said dry transformers refer to transformers in which the iron cores and windings are not immersed in insulating oil.
In the dry-type transformer, the elastic cushion blocks are arranged up and down to limit the iron core in the winding, and the elastic cushion blocks are extruded and positioned through the metal clamping pieces, but in the use process of the dry-type transformer, the elastic cushion blocks of the iron core are easy to deviate, so that the iron core is loosened to a certain extent, noise is increased when the transformer operates, the dry-type transformer is used indoors generally, and the normal life of a user is easily affected by excessive noise.
However, in the prior art, the elastic cushion block is generally found to move when the noise is obviously increased, and the movement of the elastic cushion block not only easily causes the noise increase, but also easily causes the stability of the iron core to be affected to a certain extent.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problems that the phenomenon of the movement of the elastic cushion block cannot be detected in time, and the phenomenon can be detected after noise is generated.
In order to solve the problems, the invention provides a high-stability dry-type transformer, which comprises a plurality of windings, wherein iron cores are connected in the windings, a pair of metal clamping pieces are respectively arranged at the upper end and the lower end of each winding, a plurality of pressing plates are connected between each pair of metal clamping pieces through bolts, an elastic cushion block is arranged between each pressing plate and the end part of each iron core, two ends of each elastic cushion block respectively collide with each iron core and each pressing plate, follow-up frames are fixedly connected at the upper ends of two pressing plates positioned at the extreme edge, the two follow-up frames extend towards one sides of the two pressing plates which are close to each other, vertical plates are fixedly connected at the upper ends of the two pressing plates at the extreme edge, laser transmitters and laser receivers which correspond to each other are respectively arranged at one ends of the two vertical plates which are close to each other, two embedded grooves are cut on each elastic cushion block, and the lower ends of the follow-up frames are inserted into the embedded grooves;
the follow-up frame comprises vertical follow-up pieces and horizontal installation bars, the installation bars are fixedly connected with the upper ends of the pressing plates through bolts, rectangular long holes are cut in the follow-up pieces, a central shaft is fixedly connected between the front inner wall and the rear inner wall of each rectangular long hole, the end parts of the installation bars are rotationally matched with the central shaft, and light splitting pieces are fixedly embedded in the middle parts of the upper ends of the two follow-up pieces.
In the high-stability dry-type transformer, through the setting of the elastic cushion monitoring module, when the deviation condition just occurs, the laser receiver can only receive weaker laser signals, or can not receive laser signals, and through the receiving signals of the laser signals, the position of the elastic cushion can be monitored remotely in real time, so that the elastic cushion is effectively prevented from being greatly deviated, the stability of the iron core is effectively ensured, and the stable operation of the low noise of the transformer is effectively maintained.
As a further improvement of the application, the follow-up piece is matched with the embedded groove, the depth of the embedded groove is not less than half of the height of the follow-up piece, and the depth of the embedded groove is greater than half of the thickness of the elastic cushion block.
As a further improvement of the application, when the follow-up piece is in a vertical state, the connecting line between the center points of the two beam splitting pieces coincides with the laser beam emitted by the laser emitter.
As a further improvement of the application, the light-splitting sheet is of a transparent structure, and a plurality of circles of transparent coatings with colors are coated on the light-splitting sheet, and the color depth of the coatings gradually increases from inside to outside.
As a further improvement of the application, the laser transmitters are arranged on the right follow-up piece, and the laser receivers are arranged in a plurality and distributed in a longitudinal linear array.
As a further improvement of the application, the upper end of the vertical plate is higher than the upper end of the follow-up frame, the laser receiver positioned at the middle corresponds to the laser transmitter, and the two adjacent laser receiver ends are in contact with each other.
As another improvement of the device, two embedded electric plates are fixedly embedded at the upper end of the elastic cushion, the two embedded electric plates are respectively located right below two pressing plates at the extreme edges, a mounting groove is cut at the upper end of each embedded electric plate, two conducting plates are fixedly connected to each embedded electric plate, a wiring contact piece is connected to the lower end of each pressing plate and is electrically connected with a corresponding laser emitter or laser receiver, and the wiring contact piece is located between the two conducting plates and is in extrusion contact with the two conducting plates.
As a further improvement of the present application, the conductive sheet comprises an elastic connection layer and a conductive layer fixedly connected to the upper end of the elastic connection layer, the end of the wiring contact sheet is simultaneously contacted with the two conductive layers, and the conductive layers are in telecommunication connection with the control circuit of the corresponding laser emitter or laser receiver.
In conclusion, through the setting of elasticity cushion monitoring module, when the elasticity cushion just takes place the skew condition, can lead to the follow-up piece to take place certain rotation, and then make laser beam pass the position of beam splitter on the follow-up frame and take place the skew change, make laser receiver only can receive weaker laser signal, perhaps not receive laser signal, through laser signal's received signal condition, and the skew amplitude of elasticity cushion is tentatively judged according to laser signal's intensity, and then the realization can carry out long-range real-time supervision to the position of elasticity cushion, and then effectively avoid the elasticity cushion to appear by a wide margin the skew, thereby effectively guarantee the stability of iron core, effectively maintain the steady operation of transformer low noise.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application;
FIG. 2 is a schematic perspective view of a portion of an elastomeric pad monitoring module according to a first embodiment of the present disclosure;
FIG. 3 is a cross-sectional view of a portion of an elastomeric pad monitoring module in accordance with a first embodiment of the present application;
fig. 4 is a perspective view of a follower holder according to a first embodiment of the present application;
FIG. 5 is a schematic view of a spectroscopic sheet according to a first embodiment of the present application;
FIG. 6 is a schematic diagram of the first embodiment of the present application in which the spring spacer is offset to allow the laser beam and the follower to pass through different portions of the beam splitter;
FIG. 7 is a schematic perspective view of a portion of a spring block monitor module on a spring block according to a second embodiment of the present disclosure;
FIG. 8 is a schematic diagram of a spring pad offset to offset a laser beam according to a second embodiment of the present application;
FIG. 9 is a cross-sectional view of a portion of a pressure plate in a third embodiment of the present application;
fig. 10 is a schematic diagram of a third embodiment of the present application after the wire contact is separated from one of the conductive plates when the elastic pad is greatly deflected.
The reference numerals in the figures illustrate:
1 winding, 2 metal clamping pieces, 3 elastic cushion blocks, 4 pressing plates, 41 embedded electric plates, 401 mounting grooves, 5 follow-up frames, 51 follow-up plates, 52 mounting strips, 53 central shafts, 6 vertical plates, 7 light splitting plates, 8 conducting plates, 81 conducting layers, 82 elastic connecting layers and 9 wiring contact plates.
Detailed Description
Three embodiments of the present application are described in detail below with reference to the accompanying drawings.
First embodiment:
fig. 1 shows a high-stability dry-type transformer, b in the drawing represents a laser receiver, d represents a laser beam, the high-stability dry-type transformer comprises a plurality of windings 1, an iron core is connected in the windings 1, a pair of metal clamping pieces 2 are respectively arranged at the upper end and the lower end of the windings 1, a plurality of pressing plates 4 are connected between the pair of metal clamping pieces 2 through bolt fastening, an elastic cushion block 3 is arranged between the pressing plates 4 and the end part of the iron core, and two ends of the elastic cushion block 3 respectively collide with the iron core and the pressing plates 4.
Fig. 2-3 show that in the drawing, a represents a laser emitter, the upper ends of two pressing plates 4 positioned at the most edge are fixedly connected with a follow-up frame 5, the two follow-up frames 5 extend towards one side, close to each other, of the two pressing plates 4 positioned at the most edge, the upper ends of the two pressing plates 4 positioned at the most edge are fixedly connected with a vertical plate 6, one ends, close to each other, of the two vertical plates 6 are respectively provided with a laser emitter and a laser receiver which correspond to each other, two embedded grooves are cut on an elastic cushion block 3, the lower ends of the follow-up frames 5 are inserted into the embedded grooves, wherein the follow-up frames 5, the vertical plates 6, the laser emitters and the laser receivers form an elastic cushion block monitoring module, and the elastic cushion block monitoring module is connected with a transformer monitoring center signal;
as shown in fig. 4, the follow-up frame 5 includes a vertical follow-up plate 51 and a horizontal installation bar 52, the installation bar 52 is fixedly connected with the upper end of the pressing plate 4 through a bolt, a rectangular long hole is cut on the follow-up plate 51, a central shaft 53 is fixedly connected between the front and rear inner walls of the rectangular long hole, the end parts of the installation bar 52 are rotationally matched with the central shaft 53, the middle parts of the upper ends of the two follow-up plates 51 are fixedly inlaid with a beam splitting plate 7, as shown in fig. 6, when the elastic cushion block 3 is offset, the elastic cushion block drives the follow-up plate 51 to rotate along with the offset, and then the passing point of laser on the follow-up plate 51 or the beam splitting plate 7 is changed, so that the laser intensity received by the laser receiver is changed, and the offset condition of the elastic cushion block 3 is conveniently and remotely judged according to the change of the laser intensity.
The follow-up piece 51 is matched with the embedded groove, the depth of the embedded groove is not smaller than half of the height of the follow-up piece 51, the depth of the embedded groove is larger than half of the thickness of the elastic cushion block 3, the part of the follow-up piece 51 positioned in the elastic cushion block 3 is not easy to be too small, the stability of the follow-up piece in the elastic cushion block 3 is higher, when the elastic cushion block 3 has a deflection trend due to vibration, the follow-up piece 51 can play a certain limit left and right for deflection of the elastic cushion block 3, when the follow-up piece 51 is in a vertical state, a connecting line between center points of the two beam splitting pieces 7 coincides with a laser beam emitted by a laser emitter, the fact that the laser beam just passes through the center positions of the two beam splitting pieces 7 after the elastic cushion block 3 is installed in a normal position is effectively ensured, the laser receiver can successfully receive laser, and the larger the passing point of the laser beam on the beam splitting piece 7 is far away from the center point.
As shown in fig. 5-6, the light splitting sheet 7 is of a transparent structure, the light splitting sheet 7 is coated with a plurality of circles of transparent coatings with colors, the color depth of the coatings is gradually increased from inside to outside, it is worth noting that the center of the light splitting sheet 7 is not coated with the coatings, the laser intensity received by the laser receiver is gradually weakened along the outward direction of the center after the laser passes through the light splitting sheet 7, when the elastic cushion block 3 does not move, the intensity of the laser received by the laser receiver is highest at the center of the laser passing through the light splitting sheet 7, a laser signal received by the laser receiver can be fed back to a monitoring center of the transformer in real time, a worker can remotely obtain the offset amplitude of the elastic cushion block 3 according to the fed back laser signal intensity, corresponding adjustment measures are conveniently and timely performed, the situations that noise and the stability of the iron core are reduced are effectively avoided, and the stability of the iron core is effectively ensured, so that the transformer can maintain stable operation with low noise.
The monitoring center of the transformer is in the prior art, and redundant description is not made here.
In sum, through the setting of elasticity cushion monitoring module, when the skew condition just takes place for elasticity cushion 3, can lead to follow-up piece 51 to take place certain rotation, and then make laser beam pass follow-up 5 on the frame of follow-up position of beam splitting piece 7 take place the skew change, make laser receiver only can receive weaker laser signal, perhaps can not receive laser signal, through laser signal's receipt signal condition, and the skew range of elasticity cushion 3 is tentatively judged according to laser signal's intensity, and then the realization can carry out long-range real-time supervision to the position of elasticity cushion, and then effectively avoid elasticity cushion 3 to appear by a wide margin skew, thereby effectively guarantee the stability of iron core, effectively maintain the steady operation of transformer low noise.
Second embodiment:
in the first embodiment, the laser beam is always horizontal, but in this embodiment, compared with the first embodiment, the laser receiver and the laser transmitter are differently arranged, so that the laser beam can change in angle with the offset of the elastic cushion 3, and the rest of the laser beam is consistent with the first embodiment, specifically as follows:
fig. 7 shows that the laser transmitter is mounted on the right follower plate 51, the beam splitting plate 7 on the follower plate 51 is not disposed in this embodiment, the laser receivers are disposed in a plurality and are distributed in a longitudinal linear array, the upper end portion of the vertical plate 6 is higher than the upper end of the follower plate 51, the laser receiver located in the middle corresponds to the laser transmitter, and the end portions of two adjacent laser receivers are in contact with each other, as shown in fig. 8, d represents a horizontal laser beam as a reference, d1 represents a laser beam after offset, when the elastic cushion block 3 is offset, the follower plate 51 is driven to rotate, at this time, the emission angle of the laser transmitter is changed, so that the laser beam is offset, and then the laser beam is irradiated onto different laser receivers, the monitoring center can determine the offset direction of the laser beam according to the specific laser receiver and the central laser receiver of the feedback signal, so that the offset direction of the elastic cushion block 3 can be determined, and in addition, the offset amplitude of the elastic cushion block 3 can be primarily determined according to the interval between the specific laser receiver and the central laser receiver of the feedback signal.
Accordingly, the riser 6 on the right side riser 4 does not need to be provided in the present embodiment, and the upper half of the follower plate 51 located above the center axis 53 near the laser receivers is cut off, so that it is not easy to affect the irradiation of the laser beam toward the plurality of laser receivers on the riser 6.
Second embodiment:
the present embodiment is newly added to the first embodiment or the second embodiment, and the remaining content is identical to the first embodiment or the second embodiment.
Fig. 9 shows that two embedded electric plates 41 are fixedly embedded at the upper end of the elastic cushion 3, the two embedded electric plates 41 are respectively located right below two pressing plates 4 at the extreme edges, an installation groove 401 is cut at the upper end of each embedded electric plate 41, two conducting plates 8 are fixedly connected to each embedded electric plate 41, a wiring contact piece 9 is connected to the lower end of each pressing plate 4, each wiring contact piece 9 is electrically connected with a corresponding laser emitter or laser receiver, each wiring contact piece 9 is located between the two conducting plates 8 and is in extrusion contact with the two conducting plates 8, each conducting plate 8 comprises an elastic connecting layer 82 and a conducting layer 81 fixedly connected to the upper end of the corresponding elastic connecting layer 82, the end part of each wiring contact piece 9 is simultaneously in contact with the two conducting layers 81, and the conducting layers 81 are in telecommunication connection with control circuits of the corresponding laser emitters or laser receivers.
As shown in fig. 10, after the feedback signal on the laser receiver indicates that the elastic cushion 3 has offset, when the offset of the elastic cushion 3 is too large, the embedded electric plate 41 is driven to be transversely displaced from the pressing plate 4, at this time, the wiring contact piece 9 and one of the conductive pieces 8 are subjected to a force opposite to the offset direction of the elastic cushion 3, so that the wiring contact piece 9 is separated from the other conductive piece 8, and at this time, the control circuit of the corresponding laser transmitter or laser receiver is disconnected, so that the two are directly free of signals.
It is noted that the wires connected to the wire contact pieces 9 are wrapped with rubber columns, so that the contacts of the wire contact pieces 9 can be bent flexibly under the condition that the elastic cushion blocks 3 are offset, and one of the conductive pieces 8 is attached to the other conductive piece 8 away from the other conductive piece 8.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (8)
1. The utility model provides a high stability dry-type transformer, includes a plurality of windings (1), be connected with iron core, its characterized in that in winding (1): a pair of metal clamping pieces (2) are arranged at the upper end and the lower end of each winding (1), a plurality of pressing plates (4) are connected between the pair of metal clamping pieces (2) through bolt fastening, an elastic cushion block (3) is arranged between each pressing plate (4) and the end part of each iron core, two ends of each elastic cushion block (3) respectively abut against each other with the iron cores and the plurality of pressing plates (4), follow-up frames (5) are fixedly connected to the upper ends of the two pressing plates (4) at the extreme edge, the two follow-up frames (5) extend towards one side, close to each other, of the two pressing plates (4) at the extreme edge, vertical plates (6) are fixedly connected to each other, laser transmitters and laser receivers, which correspond to each other, are respectively arranged at one ends, close to each other, of the vertical plates (6), two embedded grooves are cut on each elastic cushion block (3), and the lower ends of the follow-up frames (5) are inserted into the embedded grooves;
the follow-up frame (5) comprises vertical follow-up pieces (51) and horizontal installation strips (52), the installation strips (52) are fixedly connected with the upper ends of the pressing plates (4) through bolts, rectangular long holes are drilled in the follow-up pieces (51), central shafts (53) are fixedly connected between the front inner wall and the rear inner wall of the rectangular long holes, the end parts of the installation strips (52) are rotationally matched with the central shafts (53), and light splitting pieces (7) are fixedly embedded in the middle parts of the upper ends of the two follow-up pieces (51).
2. A high stability dry-type transformer according to claim 1, wherein: the follow-up piece (51) is matched with the embedded groove, the depth of the embedded groove is not smaller than half of the height of the follow-up piece (51), and the depth of the embedded groove is larger than half of the thickness of the elastic cushion block (3).
3. A high stability dry transformer according to claim 2, wherein: when the follow-up piece (51) is in a vertical state, a connecting line between the central points of the two beam splitting pieces (7) is overlapped with a laser beam emitted by the laser emitter.
4. A high stability dry transformer according to claim 3, wherein: the light splitting sheet (7) is of a transparent structure, and a plurality of circles of transparent coatings with colors are coated on the light splitting sheet (7), and the color depth of the coatings is gradually increased from inside to outside.
5. The high stability dry-type transformer of claim 4, wherein: the laser transmitters are arranged on the right follow-up piece (51), and the laser receivers are arranged in a plurality and distributed in a longitudinal linear array.
6. The high stability dry-type transformer of claim 5, wherein: the upper end of the vertical plate (6) is higher than the upper end of the follow-up piece (51), the laser receiver positioned in the middle corresponds to the laser transmitter, and the end parts of the two adjacent laser receivers are in contact with each other.
7. A high stability dry-type transformer according to claim 1, wherein: the utility model discloses a laser emitter or laser receiver, including embedded electric plate (41), connecting piece (9) and corresponding laser emitter or laser receiver electric connection, connecting piece (9) are located between two conducting strips (8) to with two conducting strips (8) extrusion contact, embedded electric plate (41) upper end cutting has mounting groove (401), two conducting strips (8) of fixedly connected with on embedded electric plate (41), connecting piece (4) lower extreme is connected with connecting piece (9).
8. The high stability dry-type transformer of claim 7, wherein: the conducting strip (8) comprises an elastic connecting layer (82) and a conducting layer (81) fixedly connected to the upper end of the elastic connecting layer (82), the end part of the wiring contact piece (9) is simultaneously contacted with the two conducting layers (81), and the conducting layers (81) are in telecommunication connection with a control circuit of a corresponding laser emitter or laser receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311402627.5A CN117153544B (en) | 2023-10-27 | 2023-10-27 | High stability dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311402627.5A CN117153544B (en) | 2023-10-27 | 2023-10-27 | High stability dry-type transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117153544A CN117153544A (en) | 2023-12-01 |
| CN117153544B true CN117153544B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311402627.5A Active CN117153544B (en) | 2023-10-27 | 2023-10-27 | High stability dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117153544B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101661138B1 (en) * | 2016-06-17 | 2016-10-10 | (주)천도건축사사무소 | Apparatus for reducing vibration of transformers |
| CN107393682A (en) * | 2017-07-14 | 2017-11-24 | 潘承燕 | A kind of deformable antihunting transformer frame |
| CN216412822U (en) * | 2021-12-23 | 2022-04-29 | 连云港国瑞变压器有限公司 | Supporting structure of dry-type transformer |
-
2023
- 2023-10-27 CN CN202311402627.5A patent/CN117153544B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101661138B1 (en) * | 2016-06-17 | 2016-10-10 | (주)천도건축사사무소 | Apparatus for reducing vibration of transformers |
| CN107393682A (en) * | 2017-07-14 | 2017-11-24 | 潘承燕 | A kind of deformable antihunting transformer frame |
| CN216412822U (en) * | 2021-12-23 | 2022-04-29 | 连云港国瑞变压器有限公司 | Supporting structure of dry-type transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117153544A (en) | 2023-12-01 |
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