CN110323732B - Arc suppression coil - Google Patents
Arc suppression coil Download PDFInfo
- Publication number
- CN110323732B CN110323732B CN201910727507.XA CN201910727507A CN110323732B CN 110323732 B CN110323732 B CN 110323732B CN 201910727507 A CN201910727507 A CN 201910727507A CN 110323732 B CN110323732 B CN 110323732B
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- Prior art keywords
- fixedly arranged
- seat
- immersion tank
- oil immersion
- damping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001629 suppression Effects 0.000 title claims abstract description 22
- 238000013016 damping Methods 0.000 claims abstract description 55
- 238000007654 immersion Methods 0.000 claims abstract description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims 6
- 230000035939 shock Effects 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an arc suppression coil which comprises an oil immersion tank, wherein a sealing seat is fixedly arranged at the upper part of the oil immersion tank, insulating oil is filled in the oil immersion tank, a rotating rod is movably arranged in the rotating seat, a hexagonal matching seat is fixedly arranged at one end of the rotating rod, which is far away from the rotating seat, a first damping spring is fixedly arranged in a damping hole formed in the spring matching seat, a second damping spring is fixedly arranged at the upper side and the lower side of the matching seat respectively, a damping sleeve is movably inserted on the rotating rod, a pair of iron core fixing seats are fixedly arranged at the upper end and the lower end of the damping sleeve, iron cores are positioned at the two sides of the damping sleeve, winding groups are arranged outside the iron cores, and sliding turn adjusting strips are connected with sliding turn adjusting rods in a matching manner.
Description
Technical Field
The invention relates to the technical field of arc suppression coils, in particular to an arc suppression coil.
Background
The utility model provides a continuous on-load turn-adjusting arc suppression coil device in prior art is "CN201720222616.2", includes diplopore fixing base and supporting footing, the top of diplopore fixing base is provided with the terminal, the below of coil shock pad is provided with the iron core, the outside of iron core is provided with the miniwatt winding, the below of miniwatt winding is provided with high-power winding, the outside of high-power winding is provided with the connecting rod, the bottom of iron core is provided with the mount, the below of mount is provided with the iron core mount pad, breaks through traditional coil manufacturing process, adopts "double-envelope wire" special structure, falls into "high-power" and "miniwatt" two kinds of windings with the coil, satisfies the requirement of low-power, low temperature rate, low energy consumption, and winding converter and energy-conserving electronic chip pass through bolt fixed connection, greatly increased the stability of coil, reduced the holistic volume of energy-conserving coil simultaneously, the manufacturing process of coil and in energy-conserving emission reduction field have opened brand-new way.
However, the continuous on-load turn-adjusting arc suppression coil device still has obvious defects in the use process: 1. the device has no effective cooling device, and the corresponding shielding building needs to be built in a matched way during installation, so that the installation and construction period is long; 2. the device only carries out the shock attenuation through coil shock pad, and coil shock pad can harden gradually and lose elasticity along with the time, and shock attenuation effect is not good, to the mountain area that the earthquake is frequent, this kind of shock attenuation mode is difficult to guarantee that arc suppression coil still can normally work when the earthquake.
Disclosure of Invention
The invention aims to provide an arc suppression coil for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the arc suppression coil comprises an oil immersion tank, wherein the cross section of the oil immersion tank in the horizontal direction is elliptical, a sealing seat is fixedly arranged at the upper part of the oil immersion tank, insulating oil is filled in the oil immersion tank, the bottom of the oil immersion tank is connected with a base through a shock-proof seat, and the base is fixedly arranged on the ground;
the oil immersion tank is characterized in that a rotating seat is fixedly arranged at the bottom of the inner side of the oil immersion tank, a rotating rod is movably arranged in the rotating seat, one end of the rotating rod, which is far away from the rotating seat, is fixedly provided with a hexagonal matching seat, six sides of the hexagonal matching seat are fixedly provided with first damping springs, one end of the first damping springs, which is far away from the hexagonal matching seat, is fixedly arranged in damping holes formed in the spring matching seat, a matching seat is fixedly arranged in the middle of the rotating rod, two sides of the matching seat are respectively fixedly provided with a second damping spring, the second damping springs are movably sleeved in the rotating rod, one end of the second damping springs, which is far away from the matching seat, is fixedly arranged on a damping sleeve, the damping sleeve is movably inserted on the rotating rod, two ends of the damping sleeve are fixedly provided with a pair of iron core fixing seats, a pair of iron cores are fixedly arranged between the iron core fixing seats, the iron cores are positioned on two sides of the damping sleeve, a winding set is arranged on the outer side of the iron core, the winding set is fixedly arranged on the outer side of the winding set, the sliding adjusting turn strip is matched and connected with the sliding adjusting turn rod, the sliding adjusting motor is fixedly arranged in the middle of the matching seat, one end of the sliding adjusting motor is fixedly arranged on the inner thread adjusting motor, and the connecting wire is fixedly connected with the sliding adjusting screw, and the two sides of the sliding adjusting screw through the sliding adjusting rod.
Preferably, the two sides of the matching seat are fixedly provided with sliding blocks, and the sliding blocks are movably connected with sliding rails arranged on the inner sides of the damping sleeves.
Preferably, the two sides of the bottom of the oil immersion tank are fixedly provided with a disturbance motor, and a driving shaft of the disturbance motor is fixedly provided with a disturbance fan blade.
Preferably, a plurality of cooling fins are fixedly arranged on two sides of the oil immersion tank, the cooling fins are uniformly arranged at intervals, the cooling fins are internally provided with channels, and the channels of the cooling fins are communicated with the inside of the oil immersion tank.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arc suppression device is arranged in the oil immersion tank, the oil immersion tank has a good cooling effect after being sealed by the insulating oil, and the working temperature of the arc suppression device can be effectively reduced by matching with the arrangement of the cooling plate, so that the normal work of the arc suppression coil is ensured;
2. according to the invention, the first damping spring and the second damping spring are arranged in the oil immersion tank, so that transverse waves and longitudinal waves of an earthquake can be effectively filtered during the earthquake, the arc suppression coil can work normally in the earthquake, when the single-phase arc grounding occurs in the power grid, inductive current flowing through the arc suppression coil and capacitive fault current of the single-phase grounding are mutually counteracted, the grounding can be rapidly eliminated without causing overvoltage, and the safety of personnel and property is ensured.
According to the invention, the arc suppression coil is arranged in the oil immersion tank filled with insulating oil, so that the oil immersion tank has a good cooling effect, and the first damping spring and the second damping spring are arranged in the oil immersion tank, so that transverse waves and longitudinal waves of an earthquake can be effectively filtered during the earthquake, the arc suppression coil can work normally in the earthquake, and the oil immersion tank is particularly suitable for areas with frequent earthquakes.
Drawings
FIG. 1 is a schematic diagram of the internal structure of an oil immersion tank according to the present invention;
FIG. 2 is a schematic view of the installation structure of the rotary rod and the damping sleeve according to the present invention;
FIG. 3 is a schematic view of a hexagonal mating seat connection structure according to the present invention;
FIG. 4 is a schematic elevational view of the overall structure of the present invention;
fig. 5 is a side view of the overall structure of the present invention.
In the figure: 1 a dipping oil tank, 2 a sealing seat, 3 a shockproof seat, 4 a base, 5 a rotating seat, 6 a rotating rod, 7 a hexagonal matching seat, 8 a first damping spring, 9 a spring matching seat, 10 a damping hole, 11 a matching seat, 12 a second damping spring, 13 a damping sleeve, 14 an iron core fixing seat, 15 an iron core, 16 winding groups, 17 sliding turn adjusting strips, 18 sliding turn adjusting strips, 19 an adjusting screw rod, 20 an adjusting motor, 21 a binding post, 22 a sliding block, 23 a sliding rail, 24 a disturbance motor, 25 disturbance fan blades and 26 cooling sheets.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the arc suppression coil comprises an oil immersion tank 1, wherein arc suppression devices such as an iron core 15, a winding group 16 and the like are arranged in the oil immersion tank 1, the cross section of the oil immersion tank 1 in the horizontal direction is elliptical, a sealing seat 2 is fixedly arranged at the upper part of the oil immersion tank 1, the interior is overhauled and maintained by opening and closing the sealing seat 2, meanwhile, the interior insulating oil is prevented from overflowing outwards through the sealing seat 2, insulating oil is poured into the oil immersion tank 1, the arc suppression coil is cooled through the insulating oil, the bottom of the oil immersion tank 1 is connected with a base 4 through a shock-proof seat 3, foundation shock absorption is carried out through the shock-proof seat 3, the base 4 is fixedly arranged on the ground, and the base 4 is arranged on the ground through a building concrete base on the ground;
the bottom of the inner side of the oil dipping tank 1 is fixedly provided with a rotating seat 5, a rotating rod 6 is movably arranged in the rotating seat 5, the rotating rod 6 can rotate around the rotating seat 5 in a circle, one end of the rotating rod 6, which is far away from the rotating seat 5, is fixedly provided with a hexagonal matching seat 7, six sides of the hexagonal matching seat 7 are fixedly provided with first damping springs 8, one end of the first damping springs 8, which is far away from the hexagonal matching seat 7, is fixedly provided with damping holes 10 formed in a spring matching seat 9, the rotating rod 6 can receive uniform inward extrusion force through the arrangement of the six first damping springs 8, when an earthquake happens, the oil dipping tank 1 shakes to drive the rotating rod 6 in the inside to shake, the rotating rod 6 shakes to enable the rotating rod 6 to extrude the first damping springs 8 in a deflection direction, the corresponding first damping springs 8 generate restoring force after being extruded so as to extrude the rotating rod 6 to one side, which is far away from the first damping springs 8, thereby forcing the rotary rod 6 to restore to the position, through the transverse deflection in the earthquake, thereby ensuring that the iron core fixing seat 14 is not subjected to rigid collision, the middle part of the rotary rod 6 is fixedly provided with a matching seat 11, the upper side and the lower side of the matching seat 11 are respectively fixedly provided with a second damping spring 12, the second damping spring 12 is movably sleeved in the rotary rod 6, one end of the second damping spring 12 far away from the matching seat 11 is fixedly arranged on a damping sleeve 13, the damping sleeve 13 is movably inserted on the rotary rod 6, the damping sleeve 13 can move up and down on the rotary rod 6, the longitudinally generated vibration is filtered through the second damping spring 12 which is arranged up and down, the damage of longitudinal waves generated by the earthquake to each arc extinguishing device in the oil immersion tank 1 is effectively prevented, the upper end and the lower end of the damping sleeve 13 are fixedly provided with a pair of iron core fixing seats 14, a pair of iron cores 15 are fixedly arranged between iron core fixing bases 14, the iron cores 15 are positioned on two sides of a damping sleeve 13, winding groups 16 are arranged outside the iron cores 15, sliding turn adjusting bars 17 are fixedly arranged on the outer sides of the winding groups 16 on the two sides, the sliding turn adjusting bars 17 are connected with sliding turn adjusting bars 18 in a matched mode, the sliding turn adjusting bars 18 slide on the sliding turn adjusting bars 17 to adjust the number of turns of the arc extinguishing device, internal threads are formed in the middle of the arc extinguishing sliding turn adjusting bars 18, an adjusting screw rod 19 is movably inserted into the internal threads of the sliding turn adjusting bars 18, the adjusting screw rod 19 rotates to enable the arc extinguishing sliding turn adjusting bars 18 to translate up and down, one end of the adjusting screw rod 19 is fixedly arranged on a driving shaft of an adjusting motor 20, the adjusting motor 20 rotates to drive the adjusting screw rod 19 to rotate, the adjusting motor 20 is fixedly arranged on the iron core fixing bases 14, and the upper parts of the sliding turn adjusting bars 17 on the two sides are connected with binding posts 21 on a sealing base 2 through connecting wires, and the arc extinguishing device is connected into a power grid through the connecting wires.
As a preferred option, the two sides of the mating seat 11 are fixedly provided with sliding blocks 22, the sliding blocks 22 are movably connected with sliding rails 23 arranged on the inner side of the damping sleeve 13, and the damping sleeve 13 moves on the rotating rod 6 more stably through the arrangement of the sliding blocks 22 and the sliding rails 23.
As a preferred option, the two sides of the bottom of the oil immersion tank 1 are fixedly provided with a disturbance motor 24, a driving shaft of the disturbance motor 24 is fixedly provided with a disturbance fan blade 25, and the disturbance motor 24 drives the disturbance fan blade 25 to rotate, so that the insulating oil poured into the oil immersion tank 1 is heated uniformly.
As a preference, the oil immersion tank 1 both sides fixed mounting has a plurality of cooling fins 26, and the interval of cooling fin 26 evenly sets up, and the cooling fin 26 is inside to be offered and the passageway, the passageway of cooling fin 26 and the inside intercommunication of oil immersion tank 1, makes the area of contact increase of insulating oil and air through the setting of cooling fin 26 to effectively carry out the cooling of inside insulating oil.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The arc suppression coil comprises an oil immersion tank (1), and is characterized in that: the section of the oil immersion tank (1) in the horizontal direction is elliptical, a sealing seat (2) is fixedly arranged at the upper part of the oil immersion tank (1), insulating oil is filled in the oil immersion tank (1), the bottom of the oil immersion tank (1) is connected with a base (4) through a shock-proof seat (3), and the base (4) is fixedly arranged on the ground;
the oil immersion tank (1) is characterized in that a rotating seat (5) is fixedly arranged at the bottom of the inner side of the oil immersion tank (1), a rotating rod (6) is movably arranged in the rotating seat (5), a hexagonal matching seat (7) is fixedly arranged at one end of the rotating rod (6) far away from the rotating seat (5), first damping springs (8) are fixedly arranged on six sides of the hexagonal matching seat (7), one end of the first damping springs (8) far away from the hexagonal matching seat (7) is fixedly arranged in damping holes (10) formed in the spring matching seat (9), a matching seat (11) is fixedly arranged in the middle of the rotating rod (6), second damping springs (12) are respectively fixedly arranged at the upper side and the lower side of the matching seat (11), the second damping spring (12) is movably sleeved in the rotary rod (6), one end of the second damping spring (12) away from the matching seat (11) is fixedly arranged on the damping sleeve (13), the damping sleeve (13) is movably inserted on the rotary rod (6), a pair of iron core fixing seats (14) are fixedly arranged at the upper end and the lower end of the damping sleeve (13), a pair of iron cores (15) are fixedly arranged between the iron core fixing seats (14), the iron cores (15) are positioned at two sides of the damping sleeve (13), a winding group (16) is arranged outside the iron cores (15), the winding machine comprises a winding group (16) and is characterized in that sliding turn regulating strips (17) are fixedly arranged on the outer sides of the winding group (16) on two sides, the sliding turn regulating strips (17) are connected with a sliding turn regulating rod (18) in a matched mode, internal threads are formed in the middle of the sliding turn regulating rod (18), an adjusting screw rod (19) is movably inserted into the internal threads of the sliding turn regulating rod (18), one end of the adjusting screw rod (19) is fixedly arranged on a driving shaft of an adjusting motor (20), the adjusting motor (20) is fixedly arranged on an iron core fixing seat (14), the upper parts of the sliding turn regulating strips (17) on two sides are connected with binding posts (21) on a sealing seat (2) through connecting wires, a plurality of cooling pieces (26) are fixedly arranged on two sides of an oil immersion tank (1), the cooling pieces (26) are uniformly arranged at intervals, a channel is formed in the cooling piece (26), and the channel of the cooling piece (26) is communicated with the interior of the oil immersion tank (1).
The two sides of the matching seat (11) are fixedly provided with sliding blocks (22), and the sliding blocks (22) are movably connected with sliding rails (23) arranged on the inner sides of the damping sleeves (13).
2. An arc suppression coil according to claim 1, wherein: the oil immersion tank is characterized in that a disturbance motor (24) is fixedly arranged on two sides of the bottom of the oil immersion tank (1), and a disturbance fan blade (25) is fixedly arranged on a driving shaft of the disturbance motor (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727507.XA CN110323732B (en) | 2019-08-07 | 2019-08-07 | Arc suppression coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727507.XA CN110323732B (en) | 2019-08-07 | 2019-08-07 | Arc suppression coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110323732A CN110323732A (en) | 2019-10-11 |
| CN110323732B true CN110323732B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910727507.XA Active CN110323732B (en) | 2019-08-07 | 2019-08-07 | Arc suppression coil |
Country Status (1)
| Country | Link |
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| CN (1) | CN110323732B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117116634A (en) * | 2023-10-18 | 2023-11-24 | 长春市元尚欣信息科技有限公司 | Automatic transformer |
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|---|---|---|---|---|
| KR101347891B1 (en) * | 2013-09-17 | 2014-01-10 | (주)엔지피 | Switchgear panel earthquake-proof equipment |
| CN205376261U (en) * | 2016-02-16 | 2016-07-06 | 沈阳赛特斯电气技术有限公司 | Energy saving transformer |
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| CN106876121A (en) * | 2017-03-23 | 2017-06-20 | 合肥迅达电器有限公司 | A kind of reactor with regulatory function |
| JP2017117871A (en) * | 2015-12-22 | 2017-06-29 | 株式会社日立産機システム | Oil-filled transformer |
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| CN206490432U (en) * | 2017-03-08 | 2017-09-12 | 河北新民电气科技有限公司 | It is a kind of continuously to have load turn-adjusting arc-extinguishing winding device |
| CN206865145U (en) * | 2017-04-20 | 2018-01-09 | 河北新民电气科技有限公司 | It is fully compensated to have load turn-adjusting arc-extinguishing winding device |
| CN207834109U (en) * | 2018-02-06 | 2018-09-07 | 东莞市雷宝电子有限公司 | A kind of making apparatus of arc coil |
| CN208608004U (en) * | 2018-07-09 | 2019-03-15 | 合肥迅达电器有限公司 | A kind of damping device of intermediate frequency reactor |
| CN209000704U (en) * | 2018-07-03 | 2019-06-18 | 深圳市品洲电子有限公司 | A kind of antidetonation shatter-resistant reactor |
| CN210224955U (en) * | 2019-08-07 | 2020-03-31 | 安徽科盟电子科技有限公司 | Arc suppression coil |
-
2019
- 2019-08-07 CN CN201910727507.XA patent/CN110323732B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101347891B1 (en) * | 2013-09-17 | 2014-01-10 | (주)엔지피 | Switchgear panel earthquake-proof equipment |
| JP2017117871A (en) * | 2015-12-22 | 2017-06-29 | 株式会社日立産機システム | Oil-filled transformer |
| CN205376261U (en) * | 2016-02-16 | 2016-07-06 | 沈阳赛特斯电气技术有限公司 | Energy saving transformer |
| CN206412173U (en) * | 2016-12-21 | 2017-08-15 | 广东立信电力服务有限公司 | A kind of transformer with shock-absorbing function |
| CN106710842A (en) * | 2017-02-22 | 2017-05-24 | 江苏宝亨新电气有限公司 | Vibration-decreasing noise-reducing oil-immersed transformer |
| CN206490432U (en) * | 2017-03-08 | 2017-09-12 | 河北新民电气科技有限公司 | It is a kind of continuously to have load turn-adjusting arc-extinguishing winding device |
| CN106876121A (en) * | 2017-03-23 | 2017-06-20 | 合肥迅达电器有限公司 | A kind of reactor with regulatory function |
| CN206865145U (en) * | 2017-04-20 | 2018-01-09 | 河北新民电气科技有限公司 | It is fully compensated to have load turn-adjusting arc-extinguishing winding device |
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| CN209000704U (en) * | 2018-07-03 | 2019-06-18 | 深圳市品洲电子有限公司 | A kind of antidetonation shatter-resistant reactor |
| CN208608004U (en) * | 2018-07-09 | 2019-03-15 | 合肥迅达电器有限公司 | A kind of damping device of intermediate frequency reactor |
| CN210224955U (en) * | 2019-08-07 | 2020-03-31 | 安徽科盟电子科技有限公司 | Arc suppression coil |
Also Published As
| Publication number | Publication date |
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| CN110323732A (en) | 2019-10-11 |
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