CN206059106U - A kind of resin casting coil dry type transformer device structure - Google Patents
A kind of resin casting coil dry type transformer device structure Download PDFInfo
- Publication number
- CN206059106U CN206059106U CN201620947131.5U CN201620947131U CN206059106U CN 206059106 U CN206059106 U CN 206059106U CN 201620947131 U CN201620947131 U CN 201620947131U CN 206059106 U CN206059106 U CN 206059106U
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- Prior art keywords
- coil
- clamping piece
- iron core
- pressure resin
- type transformer
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- 238000010125 resin casting Methods 0.000 title claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 67
- 239000011347 resin Substances 0.000 claims abstract description 67
- 238000003825 pressing Methods 0.000 claims abstract description 60
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 230000002787 reinforcement Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 210000004534 cecum Anatomy 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
This utility model is related to a kind of resin casting coil dry type transformer device structure, including the transformer body being arranged on base, transformer body includes iron core, upper clamping piece, lower clamping piece and high-low pressure resin coil, and low pressure resin coil and high-pressure resin coil are set with iron core column excircle；The bottom pier base of high and low pressure resin coil on the cushion block and inserts being arranged on lower clamping piece, place briquetting, inserts, pressing plate and rotate nail pressing clamping platen by upper clamping piece screw, and then is fixed high-low pressure resin coil by the top of high and low pressure resin coil；Iron core column both sides are provided with arm-tie, and the upper/lower terminal of arm-tie is fixedly connected with folder from top to bottom respectively by pin.The dry type transformer structure enhances the stability of iron core, coil, can avoid the high-low pressure resin coil shifting phenomena that transformator occurs in transportation.Briquetting reinforcement increased creep age distance, reduces shelf depreciation situation, effectively improves transformer performance.
Description
Technical field
This utility model is related to a kind of resin casting coil dry type transformer device structure, belongs to transformer technology field.
Background technology
At present, dry type transformer structure, generally by each 3 resin-cast mounting coils of high and low pressure on iron core column, ferrum
Heart lower yoke is placed on support channel-section steel, fixes to clamp lower yoke unshakable in one's determination by four fastening screws of lower clamping piece, is placed on lower clamping piece
3X4 lower cushion block and inserts, high and low pressure resin-cast coil are placed on lower cushion block and inserts, and lower clamping piece passes through ferrum with upper clamping piece
Each 3 arm-ties of heart both sides and the upper and lower pin of arm-tie are connected, and upper clamping piece has 4 suspension ring, and whole transformator hoisting weight passes through
6 arm-ties undertake, and upper clamping piece fixes to clamp upper magnet yoke unshakable in one's determination by 4 fastening screws, and compresses high and low pressure each 3 by nail pressing
4 upper cushion blocks and inserts on individual resin-cast coil, keep high and low pressure resin coil position so as to fixed.
The dry-type transformer of this traditional structure pattern, after some transports to scene, it may appear that the fracture of high pressure connecting rod, height
The phenomenon of crimping line terminals cracking.Its main cause is：(1) dry-type transformer causes height pressurizing resin through handling, transport
Coil is shifted, and the displacement of moment causes greatly to pull or extruding force, so as to there are the problems referred to above.(2) this displacement is also easily made
Relative spacing into high and low pressure resin coil and iron core changes, and shorter leakage path occurs, can cause high-low pressure resin thread
Short circuit dischange between circle, burns out transformator；(3) this displacement also easily causes iron core looseness, causes magnetic conduction section not enough, causes and shake
Dynamic noise and temperature are raised, and then damage insulation, reduce transformator service life.
The main cause for the problems referred to above occur is that the structure design Shortcomings of existing dry-type transformer mainly have following
Some：One is that arm-tie typically adopts steel plate or corrosion resistant plate, because arm-tie is longer, intermediate intensity not enough, is caused
Clamp force is not enough, iron core looseness easily occurs, causes mechanical noise big；Two is that briquetting typically adopts DMC or BMC compression moldings, shape
Generally cuboid, it is shorter to climb power path, easily causes shelf depreciation, and intensity is bad；Three is that nail pressing is typically directly pressed in briquetting
On, impetus only has at 1 point, it is impossible to ensure that briquetting pressure is uniform, and then affects the position of high and low pressure resin coil to fix.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of resin casting coil dry type of new structure pattern and becomes
Depressor structure.
The technical solution of the utility model is as follows：
A kind of resin casting coil dry type transformer device structure, including the transformer body being arranged on base, the transformation
Device body includes iron core, upper clamping piece, lower clamping piece, low pressure resin coil and high-pressure resin coil, it is described it is unshakable in one's determination include iron core column,
Upper magnet yoke and lower yoke, iron core column are provided with three, and low pressure resin coil and high pressure tree are set with iron core column excircle
Fat coil；Characterized in that, iron core column is arranged on base by lower yoke, base top is connected with lower clamping piece, low pressure tree
The bottom of fat coil and high-pressure resin coil is by inserts, cushion block pier base on lower clamping piece；Iron core column is connected by upper magnet yoke
The top of upper clamping piece, low pressure resin coil and high-pressure resin coil is connected to upper clamping piece and by upper by inserts, briquetting, pressing plate
Nail pressing on folder is fixed；Iron core column both sides are provided with arm-tie, the upper/lower terminal of arm-tie by pin respectively with upper folder
Part, lower clamping piece are fixedly connected.
Preferably, the groove for accommodating pressing plate, the bottom of nail pressing and the upper surface of pressing plate are provided with the briquetting.This
Design and be advantageous in that, compare the connected mode of traditional nail pressing and the single contact point of briquetting, by increasing between nail pressing and briquetting
If pressing plate, realized and briquetting two-point contact using pressing plate, it can be ensured that briquetting stress equalization, stable, realized to high-pressure resin line
Circle, the position of low pressure resin coil are fixed and are kept.
Preferably, the pressing plate is the resilient steel plate of tool.
Preferably, the upper surface of the pressing plate is provided with straight pin, and the bottom of the nail pressing is provided with the blind hole for accommodating straight pin.
This design is advantageous in that, is connected by straight pin, blind hole, it is ensured that between pressing plate and nail pressing between pressing plate and nail pressing
The stability of connection, while have to the compression of briquetting automatically adjusting reset function.
Preferably, it is hemispherical at the top of the straight pin, the cecum of blind hole is and hemispherical adaptable at the top of straight pin.
This design is advantageous in that, will be designed to hemispherical with blind hole cecum, on the one hand facilitate straight pin insertion blind hole at the top of straight pin
Interior, another aspect straight pin is balanced by the pressure from nail pressing.
Preferably, the briquetting is provided with reinforcement near high-pressure resin coil sides.This design is advantageous in that, in briquetting
Increase reinforcement near high-pressure resin coil sides, both increased briquetting intensity, and increased between high-pressure resin coil and nail pressing again
Creep age distance, reduce the risk of shelf depreciation.
Preferably, longitudinal both sides of the arm-tie are provided with side plate, and the upper and lower ends of arm-tie are provided with reinforcing plate, reinforcing plate
On be provided with through hole.This design is advantageous in that, side plate and reinforcing plate can strengthen the steadiness of arm-tie, can be prevented effectively from transformation
The displacement of device high-low pressure resin coil in transport, cargo handling process.
Preferably, two through holes are provided with the reinforcing plate.
Preferably, the through hole is shaped as circular hole, delthyrium, four corner apertures, five corner apertures, hexagon ring or anistree hole, described
The shape and upper clamping piece of pin, the shape of lower clamping piece upper installing hole are adapted with the shape of through hole.
Preferably, the base is support channel-section steel.
The beneficial effects of the utility model are：
This utility model dry-type transformer changes the structure design of conventional dry transformator, and pulling plate structure and connection are closed
System is improved, while pressing plate is set up between briquetting and nail pressing, and improves briquette structure, makes the dry-type transformer after improvement
Structure enhances the stability of iron core, coil, can be prevented effectively from the height pressurizing resin that transformator occurs in transport, cargo handling process
Coil shifting phenomena.Briquetting increased creep age distance near the reinforcement of high-pressure resin coil sides, reduce shelf depreciation situation,
Effectively improve the performance of transformator.The design of this utility model dry type transformer structure is ingenious, easy to install, with obvious
Excellent results, be worthy of popularization.
Description of the drawings
Front views of the Fig. 1 for this utility model dry-type transformer；
Left views of the Fig. 2 for this utility model dry-type transformer；
Top views of the Fig. 3 for this utility model dry-type transformer；
Fig. 4 is arm-tie and upper clamping piece, the cooperation schematic diagram (pin hole is circular hole) of lower clamping piece in this utility model；
Fig. 5 is arm-tie and upper clamping piece, the cooperation schematic diagram (pin hole is delthyrium) of lower clamping piece in this utility model；
Fig. 6 is arm-tie and upper clamping piece, the cooperation schematic diagram (pin hole is four corner apertures) of lower clamping piece in this utility model；
Fig. 7 is the front view of briquetting and inserts cooperation in this utility model；
Fig. 8 is the left view of briquetting and inserts cooperation in this utility model；
Fig. 9 is the top view of briquetting and inserts cooperation in this utility model；
Figure 10 is front view when nail pressing, briquetting and inserts three coordinate in this utility model；
Figure 11 is left view when nail pressing, briquetting and inserts three coordinate in this utility model；
Structural representations of the Figure 12 for this utility model center platen；
Wherein：1st, lower clamping piece；2nd, cushion block and inserts；3rd, pin；4th, arm-tie；5th, high-pressure resin coil；6th, high pressure connecting rod；
7th, briquetting and inserts；701st, briquetting；702nd, inserts；703rd, groove；8th, trip bolt；9th, nail pressing；10th, high pressure inlet wire copper bar；11、
Upper clamping piece；12nd, low-pressure line-outgoing copper bar；13rd, low-voltage zero line copper bar；14th, it is unshakable in one's determination；15th, high-tension insulator；16th, low pressure resin coil；
17th, support channel-section steel；18th, pressing plate；1801st, straight pin；19th, nail pressing nut.
Specific embodiment
Below by embodiment and combine accompanying drawing this utility model is described further, but not limited to this.
Embodiment 1：
As shown in Figures 1 to 12, a kind of resin casting coil dry type transformer device structure, including the transformation being arranged on base
Device body, base include unshakable in one's determination 14, upper clamping piece 11, lower clamping piece 1, low pressure resin line to support channel-section steel 17, the transformer body
Circle 16 and high-pressure resin coil 5, unshakable in one's determination 14 include iron core column, upper magnet yoke and lower yoke, and unshakable in one's determination 14 are provided with three iron core columns,
Suit high-pressure resin coil 5 and low pressure resin coil 16 are respectively perpendicular on iron core column excircle；High-pressure resin coil 5 and low pressure
The bottom of resin coil 16 passes through cushion block and 2 pier base of inserts on lower clamping piece 1, high-pressure resin coil 5 and low pressure resin coil 16
Top upper clamping piece is connected to by inserts 702, briquetting 701, pressing plate 18 and passes through 9 clamping platen of nail pressing on upper clamping piece 11
18, and then it is fixed high-pressure resin coil 5 and low pressure resin coil 16；Iron core column both sides are provided with arm-tie 4, arm-tie 4 it is upper,
Lower two ends are fixedly connected with upper clamping piece 11, lower clamping piece 1 respectively by pin 3.
High pressure inlet wire copper bar 10 is supported on the high-tension insulator 15 on upper clamping piece 11, and with high pressure connection terminal and high pressure
Connecting rod 6 connects, and by high-pressure resin coil 5, low pressure resin coil 16 and 14 transformation unshakable in one's determination, 10kV or 35kV voltages is changed into
0.4kV, by 13 output power of low-pressure line-outgoing copper bar 12 and low-voltage zero line copper bar.
Wherein, the screw passed through for nail pressing 9 is provided with upper clamping piece 11, nail pressing 9 passes through screw and passes through nail pressing nut 19
On upper clamping piece, the bottom of nail pressing 9 is connected with pressing plate 18, and the groove 703 for accommodating pressing plate is provided with briquetting 701.Compare
Traditional nail pressing connected mode directly with the single contact point of briquetting, realizes the two-point contact with briquetting using pressing plate, can be true
It is pressurize block stress equalization, stable, increase high and low pressure resin coil stability, and be allowed to position and fix and keep.
Pressing plate 18 is the resilient steel plate of tool, can effectively alleviate the dynamics of nail pressing and make what high-low pressure resin coil was subject to press
Try hard to keep and hold in the reasonable scope.
As shown in figure 4, longitudinal both sides of arm-tie 4 are provided with side plate, the upper and lower ends of arm-tie are provided with reinforcing plate, reinforcing plate
On be provided with two through holes.Through hole is shaped as circular hole, the shape and upper clamping piece of pin, the shape of lower clamping piece upper installing hole with
The shape of through hole is adapted, i.e., pin is cylindrical pins, and upper clamping piece, lower clamping piece upper installing hole are circular hole, by pin through logical
Arm-tie and upper clamping piece, lower clamping piece are fixed together by hole, installing hole.
In the present embodiment, upper clamping piece 11 is connected by pin 3 with arm-tie 4, and by trip bolt 8 to arm-tie 4 and upper magnetic
Yoke is clamped, and arm-tie 4 is connected by pin 3 with lower clamping piece 1；14 lamination thrust general controls unshakable in one's determination are in 1.5-1.9N/MM2It
Between, clamping force is too small, and unshakable in one's determination 14 under mechanical vibration, electromagnetism and heating power comprehensive function, it may appear that loosens and deforms；Clamping force mistake
Greatly, the tilting of lamination edge is easily caused, makes 14 diameter unshakable in one's determination become big.
Embodiment 2：
A kind of resin casting coil dry type transformer device structure, as described in Example 1, its difference is structure：Pressing plate
18 upper surface is provided with straight pin 1801, is hemispherical at the top of straight pin 1801, and the bottom of nail pressing 9 is provided with and accommodates the blind of straight pin
Hole, the cecum of blind hole is also hemispherical.It is connected by straight pin, blind hole between pressing plate 18 and nail pressing 9, straight pin insertion
In blind hole, it is ensured that the stability connected between pressing plate and nail pressing.
As shown in figure 5, the shape of through holes of 4 upper/lower terminal of arm-tie be delthyrium, pin 3 be triangle pin, upper clamping piece, under
Installing hole on folder is the delthyrium being engaged.
Embodiment 3：
A kind of resin casting coil dry type transformer device structure, as described in Example 1, its difference is structure：Briquetting
701 are provided with reinforcement near high-pressure resin coil sides.Increase reinforcement near high-pressure resin coil sides in briquetting, both increased
Briquetting intensity, also better appearance, and do not increase bottom section, the normal ventilation and heat of ventilating duct is not interfered with, height is increased again
Creep age distance between pressurizing resin coil and nail pressing, reduces the risk of shelf depreciation.
As shown in fig. 6, the shape of through holes of 4 upper/lower terminal of arm-tie is four corner apertures, pin 3 is corner pin (square pin),
Installing hole on upper clamping piece, lower clamping piece is four corner apertures being engaged.
Embodiment 4：
A kind of resin casting coil dry type transformer device structure, as described in Example 1, its difference is structure：Arm-tie 4
The shape of through holes of upper/lower terminal is five corner apertures, and pin 3 is five jiaos of pins, and the installing hole on upper clamping piece, lower clamping piece is engaged
Five corner apertures.
Embodiment 5：
A kind of resin casting coil dry type transformer device structure, as described in Example 1, its difference is structure：Arm-tie 4
The shape of through holes of upper/lower terminal is hexagon ring, and pin 3 is hexagonal pin, and the installing hole on upper clamping piece, lower clamping piece is engaged
Hexagon ring.
Embodiment 6：
A kind of resin casting coil dry type transformer device structure, as described in Example 1, its difference is structure：Arm-tie 4
The shape of through holes of upper/lower terminal is anistree hole, and pin 3 is anistree pin, and the installing hole on upper clamping piece, lower clamping piece is engaged
Anistree hole.
Embodiment 7：
A kind of assembly method of resin casting coil dry type transformer device structure, comprises the following steps,
(1) iron core 14 being pre-assembled is taken, it is standby；The iron core 14 for assembling, has insulation board between arm-tie and iron core
Isolation, arm-tie 4 are tightened in iron core column both sides and with bandage, and upper clamping piece 11 and lower clamping piece 1 have passed through arm-tie 4 unshakable in one's determination 14
Clamp；
(2) in order to be set with high-pressure resin coil and low pressure resin coil, the iron core 14 being pre-assembled in step (1) is taken
Lower upper clamping piece 11, then upper magnet yoke is removed, 0.5mm thickness epoxy resin is uniformly brushed in iron core column and lower yoke surface；
(3) after the solidification of step (2) epoxy resin, cushion block and inserts 2 are placed on lower clamping piece 1, by high-pressure resin
Coil 5 is tied with suspender side and be vertically sleeved on iron core column and make spacing equal, then low pressure resin coil 16 is helped with suspender
Tie, and regulate and high-pressure resin coil 5 and the heart unshakable in one's determination
The distance between post (ensures that iron core column is located at the center of high-low pressure resin coil, and the spacing of high-low pressure resin coil is more than
Spacing between low pressure resin coil and iron core column, is so conducive to the ventilation and heat between height resin coil)；Then fold
Upper magnet yoke shaping are installed, and painting brushes epoxy resin, normal temperature cure on upper magnet yoke；
(4) arm-tie 4 is connected with upper clamping piece 11, and clips upper clamping piece 11, in high-pressure resin coil 5 and low pressure resin coil
Inserts 702, briquetting 701 and pressing plate 18 are sequentially placed at the top of 16, nail pressing 9 is screwed off from 11 screw of upper clamping piece makes 9 blind hole of nail pressing
Straight pin 1801 on alignment pressing plate 18 is simultaneously fixed, and high-pressure resin coil 5 and 16 position of low pressure resin coil is fixed simultaneously
Keep；
(5) blower fan and temperature control are finally installed.
Claims (9)
1. a kind of resin casting coil dry type transformer device structure, including the transformer body being arranged on base, the transformator
Body includes iron core, upper clamping piece, lower clamping piece, low pressure resin coil and high-pressure resin coil, it is described it is unshakable in one's determination include iron core column, on
Yoke and lower yoke, iron core column are provided with three, and low pressure resin coil and high-pressure resin are set with iron core column excircle
Coil；Characterized in that, iron core column is arranged on base by lower yoke, base top is connected with lower clamping piece, low pressure resin
The bottom of coil and high-pressure resin coil is by inserts, cushion block pier base on lower clamping piece；Iron core column is connected by upper magnet yoke
The top of folder, low pressure resin coil and high-pressure resin coil is connected to upper clamping piece and by upper folder by inserts, briquetting, pressing plate
Nail pressing on part is fixed；Iron core column both sides are provided with arm-tie, the upper/lower terminal of arm-tie by pin respectively with upper folder
Part, lower clamping piece are fixedly connected.
2. resin casting coil dry type transformer device structure as claimed in claim 1, it is characterised in that be provided with the briquetting
Accommodate the groove of pressing plate, the bottom of nail pressing and the upper surface of pressing plate.
3. resin casting coil dry type transformer device structure as claimed in claim 1, it is characterised in that the pressing plate is with bullet
The steel plate of property.
4. resin casting coil dry type transformer device structure as claimed in claim 1, it is characterised in that the upper surface of the pressing plate
Straight pin is provided with, the bottom of the nail pressing is provided with the blind hole for accommodating straight pin.
5. resin casting coil dry type transformer device structure as claimed in claim 4, it is characterised in that at the top of the straight pin be
Hemispherical, the hemispherical that the cecum of blind hole is and is adapted at the top of straight pin.
6. resin casting coil dry type transformer device structure as claimed in claim 1, it is characterised in that the briquetting is near high pressure
Resin coil side is provided with reinforcement.
7. resin casting coil dry type transformer device structure as claimed in claim 1, it is characterised in that the longitudinal direction two of the arm-tie
Side is provided with side plate, and the upper and lower ends of arm-tie are provided with reinforcing plate, through hole is provided with reinforcing plate.
8. resin casting coil dry type transformer device structure as claimed in claim 7, it is characterised in that arrange in the reinforcing plate
There are two through holes；
The through hole is shaped as circular hole, delthyrium, four corner apertures, five corner apertures, hexagon ring or anistree hole, the shape of the pin with
And the shape of upper clamping piece, lower clamping piece upper installing hole is adapted with the shape of through hole.
9. resin casting coil dry type transformer device structure as claimed in claim 1, it is characterised in that the base is support slot
Steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947131.5U CN206059106U (en) | 2016-08-26 | 2016-08-26 | A kind of resin casting coil dry type transformer device structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620947131.5U CN206059106U (en) | 2016-08-26 | 2016-08-26 | A kind of resin casting coil dry type transformer device structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059106U true CN206059106U (en) | 2017-03-29 |
Family
ID=58381524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620947131.5U Expired - Fee Related CN206059106U (en) | 2016-08-26 | 2016-08-26 | A kind of resin casting coil dry type transformer device structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206059106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158284A (en) * | 2016-08-26 | 2016-11-23 | 山东鑫大电气有限公司 | A kind of resin casting coil dry type transformer device structure and assembly method thereof |
| CN106981357A (en) * | 2017-04-21 | 2017-07-25 | 卧龙电气集团股份有限公司 | A kind of 110KV dry-type three-phase transformers |
| CN114005641A (en) * | 2021-11-04 | 2022-02-01 | 无锡普天铁心股份有限公司 | Flexible supporting system for transformer core |
-
2016
- 2016-08-26 CN CN201620947131.5U patent/CN206059106U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158284A (en) * | 2016-08-26 | 2016-11-23 | 山东鑫大电气有限公司 | A kind of resin casting coil dry type transformer device structure and assembly method thereof |
| CN106158284B (en) * | 2016-08-26 | 2018-03-20 | 聊城鑫大变压器有限公司 | A kind of resin casting coil dry type transformer device structure and its assembly method |
| CN106981357A (en) * | 2017-04-21 | 2017-07-25 | 卧龙电气集团股份有限公司 | A kind of 110KV dry-type three-phase transformers |
| CN106981357B (en) * | 2017-04-21 | 2019-04-02 | 卧龙电气集团股份有限公司 | A kind of 110KV dry-type three-phase transformer |
| CN114005641A (en) * | 2021-11-04 | 2022-02-01 | 无锡普天铁心股份有限公司 | Flexible supporting system for transformer core |
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| CP01 | Change in the name or title of a patent holder |
Address after: 252024 Shandong City, Dongchangfu Province Phoenix Industrial Park by the intersection of three points in the southeast corner of the intersection of three Patentee after: Shandong Xinda Transformer Co.,Ltd. Address before: 252024 Shandong City, Dongchangfu Province Phoenix Industrial Park by the intersection of three points in the southeast corner of the intersection of three Patentee before: SHANDONG XINDA ELECTRIC Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171010 Address after: 252000, Fenghuang Industrial Park, Dongchangfu District, Shandong Province, No. three, No. 38, Liaocheng Patentee after: LIAOCHENG XINDA TRANSFORMER CO.,LTD. Address before: 252024 Shandong City, Dongchangfu Province Phoenix Industrial Park by the intersection of three points in the southeast corner of the intersection of three Patentee before: Shandong Xinda Transformer Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201027 Address after: 252000, Fenghuang Industrial Park, Dongchangfu District, Shandong Province, No. three, No. 38, Liaocheng Patentee after: Liaocheng Xinda Electric Group Co.,Ltd. Address before: 252000, Fenghuang Industrial Park, Dongchangfu District, Shandong Province, No. three, No. 38, Liaocheng Patentee before: LIAOCHENG XINDA TRANSFORMER Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 |