CN209859772U - Iron core structure of reactor - Google Patents
Iron core structure of reactor Download PDFInfo
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- CN209859772U CN209859772U CN201921058877.0U CN201921058877U CN209859772U CN 209859772 U CN209859772 U CN 209859772U CN 201921058877 U CN201921058877 U CN 201921058877U CN 209859772 U CN209859772 U CN 209859772U
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Abstract
The utility model discloses a reactor iron core structure. A reactor iron core structure comprises an upper E-shaped iron yoke clamping piece, a lower E-shaped iron yoke clamping piece and a reactor iron core; the reactor iron core is composed of 3 pairs of upper E-shaped iron yokes, lower E-shaped iron yokes, 3 iron core columns formed by stacking iron core cakes and air gap base plates, and also comprises a clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates, wherein 3 pairs of insulating pull plates sequentially clamp 3 binding belts for fixing the iron core cakes, the air gap base plates and the insulating pull plates together on the outer surfaces of the iron core columns formed by stacking the iron core cakes and the air gap base plates; the clamping and fastening of the iron core structure of the reactor are realized, the clamping and tensioning of the iron core of the reactor are realized, the iron core structure of the reactor is not easy to loosen, and the vibration and noise of the iron core structure of the reactor are reduced; the iron core structure of the reactor is neat and attractive in appearance.
Description
Technical Field
The utility model belongs to the technical field of a reactor, especially, belong to a reactor iron core structure.
Background
The dry iron core reactor has the advantages of small magnetic flux leakage, small volume, space saving and the like, and is more and more widely applied to the fields of reactive power compensation, new energy and the like. The good market prospect also prompts the power sector and product manufacturing enterprises to pay more and more attention to the application effect of the electric power sector and the product manufacturing enterprises, and various defects and problems of the dry iron core reactor product are paid enough attention. Noise is an important defect shown in application of dry iron core reactor products, and has become one of main factors influencing popularization and application of dry iron core reactors. The core leg of the dry type core reactor is composed of core cakes and air gap backing plates which are alternately stacked, and is fixed between an upper iron yoke and a lower iron yoke by clamping and pressing the core cakes and the air gap backing plates by auxiliary components, and if the components are not pressed, the core leg generates noise due to periodic vibration. Therefore, the source of noise in the dry core reactor is mainly whether the clamping and tensioning process of the core limb is firm. Because the magnetic leakage of iron leg air gap department is great, adopt the taut structure of pull rod formula more, this kind of structure has following shortcoming: the clamping structure is not firm enough, the pulling force of the pull rod is transmitted to the iron core cake and the air gap of the iron core column through the iron yoke clamping piece, only pressing force is generated on the iron core cake and the air gap, the iron core column is fixed by the upright post insulating plate and the binding band in the front, back, left and right directions, and the stress structure is loose. Secondly, the fastener is easy to loosen, and even though double nuts are adopted for fastening under the condition of long-time live operation, particularly serious vibration, the fastener is still loosened due to the elasticity of the pull rod and the reasons of expansion caused by heat and contraction caused by cold. And thirdly, the assembly structure is complex, and 8 pull rods and 32 nuts are required to be used for tensioning and fixing. And fourthly, labor and time are wasted, and the machining and fastening assembly working hours of 8 pull rods account for a large proportion of the assembly working hours. The appearance is not beautiful, the electric safety distance of the connecting terminal is affected due to the fact that the assembly position of the pull rod is outside the coil, and the appearance of the reactor is not neat. How to realize the clamping and fastening of the iron core structure of the reactor, and simultaneously realize the clamping and tensioning of the iron core of the reactor, so that the iron core structure of the reactor is not easy to loosen, and the vibration and noise of the dry iron core reactor are reduced; how to realize the neat and beautiful appearance of the dry iron core reactor structure is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a reactor core structure. The iron core structure of the reactor can be used for clamping and fastening the iron core structure of the reactor, and can simultaneously realize clamping and tensioning of the iron core of the reactor, so that the iron core structure of the reactor is not easy to loosen, and the vibration and the noise of the iron core structure of the reactor are reduced; the reactor iron core can be compact in structure and neat and attractive in appearance.
The utility model provides a technical scheme of above-mentioned technical problem is: the utility model provides a reactor iron core structure, includes E shape indisputable yoke folder, lower E shape indisputable yoke folder, goes up E shape indisputable yoke clamp plate, ware body lower margin, characterized by: the reactor also comprises an iron core of the reactor, an iron yoke through pull rod and an iron yoke side pull rod;
the reactor iron core comprises an upper E-shaped iron yoke, a lower E-shaped iron yoke, 3 iron core columns formed by stacking iron core cakes and air gap base plates and a clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates, wherein the clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates is an insulating pull plate and an insulating pull plate pin, the number of the insulating pull plates is 3, 3 pairs of insulating pull plates sequentially clamp 3 iron core columns formed by stacking the iron core cakes and the air gap base plates from front to back, and 3 binding tapes for fixing the iron core cakes, the air gap base plates and the insulating pull plates together are further bound on the outer surfaces of the iron core columns formed by stacking the iron core cakes and the air gap base plates by sequentially clamping 3 pairs of insulating pull plates from front to back; 3 iron core columns formed by stacking the iron core cakes and the air gap base plates and 3 pairs of insulating pull plates clamping the 3 iron core columns formed by stacking the iron core cakes and the air gap base plates from front to back are bound and fixed by using a binding belt, so that the front, back, left and right radial degrees of freedom of the iron core cakes and the air gap base plates forming the 3 iron core columns can be limited, and the mechanical strength of the 3 iron core columns formed by stacking the iron core cakes and the air gap base plates can be improved; 3 pairs of insulation pull plates sequentially clamping 3 iron core columns formed by stacking iron core cakes and air gap base plates front and back, and 3 upper E-shaped iron yokes and lower E-shaped iron yokes formed by stacking the iron core cakes and the air gap base plates at the upper and lower ends of the iron core columns are fixedly connected with an upper E-shaped iron yoke clamping piece, a lower E-shaped iron yoke clamping piece, an upper E-shaped iron yoke clamping piece and a lower E-shaped iron yoke clamping piece respectively through insulation pull plate pin holes and insulation pull plate pins which are arranged at the two ends of the insulation pull plates; 3 pairs of sequentially clamping 3 iron core columns formed by stacking iron core cakes and air gap base plates front and back, and 3 insulation pulling plate pin holes respectively arranged at two ends of an insulation pulling plate of an upper E-shaped iron yoke clamp and a lower E-shaped iron yoke which are formed by stacking the iron core cakes and the air gap base plates at the upper end and the lower end of the iron core column are sequentially in clearance fit with insulation pulling plate pin holes respectively arranged on the upper E-shaped iron yoke clamp and the lower E-shaped iron yoke clamp; the insulating pulling plate is made of an epoxy glass cloth plate;
the upper E-shaped iron yoke clamping piece is insulated, the lower E-shaped iron yoke clamping piece is insulated, and the iron yoke piercing pull rod is fixedly connected with the upper E-shaped iron yoke, the upper E-shaped iron yoke clamping piece and the upper E-shaped iron yoke clamping piece respectively by using fastening nuts; the iron yoke center-penetrating pull rod is also fixedly connected with the lower E-shaped iron yoke, the lower E-shaped iron yoke clamping piece and the lower E-shaped iron yoke clamping piece respectively by using fastening nuts;
the pull rods beside the iron yokes are fixedly connected with the upper E-shaped iron yoke clamping piece through fastening nuts respectively, and the pull rods beside the iron yokes are fixedly connected with the lower E-shaped iron yoke clamping piece through fastening nuts respectively;
and 3, the insulating pull plate pin holes respectively formed in the two ends of the insulating pull plate are blind holes, and insulating gaskets are arranged between the insulating pull plate pin and the upper E-shaped iron yoke and between the insulating pull plate pin and the lower E-shaped iron yoke.
The utility model discloses an assembly process is: sequentially clamping 3 pairs of insulating pull plates front and back to form 3 iron core columns formed by stacking iron core cakes and air gap base plates, 3 upper E-shaped iron yokes and lower E-shaped iron yokes at the upper and lower ends of the iron core columns formed by stacking the iron core cakes and the air gap base plates, and binding and fixing the 3 iron core columns formed by stacking the iron core cakes and the air gap base plates and the 3 pairs of insulating pull plates which clamp the 3 iron core columns formed by stacking the iron core cakes and the air gap base plates front and back by using binding belts; 3 pairs of insulation pull plates which sequentially clamp 3 iron core columns formed by stacking iron core cakes and air gap base plates front and back and 3 upper E-shaped iron yokes and lower E-shaped iron yokes formed by stacking the iron core cakes and the air gap base plates at the upper and lower ends of the iron core columns are fixedly connected with an upper E-shaped iron yoke clamping piece and a lower E-shaped iron yoke clamping piece in sequence by using insulation pull plate pin holes and insulation pull plate pins which are arranged at the two ends of the insulation pull plates; respectively fixedly connecting the iron yoke penetrating pull rod with an upper E-shaped iron yoke, an upper E-shaped iron yoke clamping piece and an upper E-shaped iron yoke clamping piece by using fastening nuts; the iron yoke penetrating pull rod is respectively fixedly connected with the lower E-shaped iron yoke, the lower E-shaped iron yoke clamping piece insulator and the lower E-shaped iron yoke clamping piece through fastening nuts; respectively and fixedly connecting pull rods beside the iron yoke with an upper E-shaped iron yoke clamping piece by using fastening nuts, respectively and fixedly connecting the pull rods beside the iron yoke with a lower E-shaped iron yoke clamping piece by using fastening nuts, and then installing an upper E-shaped iron yoke pressing plate and a device body foot; and sequentially fastening nuts of a lower E-shaped yoke clamp and a lower anchor of the body, and then fastening nuts of an upper E-shaped yoke clamp and an upper E-shaped yoke pressing plate, so that the upper E-shaped yoke clamp and the lower E-shaped yoke clamp uniformly transmit pulling force to the insulating pulling plate through insulating pulling plate pins, iron core cakes and air gap base plates stacked by 3 iron core columns obtain corresponding pressing force, and after the pressing force of the iron core cakes and the air gap base plates meets requirements, respectively screwing and locking the fastening nuts connected with the upper E-shaped yoke clamp, the lower E-shaped yoke clamp and the lower E-shaped yoke clamp. And entering the next assembling procedure.
The utility model has the advantages that: because the utility model is provided with the upper E-shaped iron yoke clamp, the lower E-shaped iron yoke clamp, the upper E-shaped iron yoke press plate, the anchor of the body, the reactor iron core, the iron yoke piercing pull rod and the pull rod beside the iron yoke; the reactor iron core is composed of an upper E-shaped iron yoke, a lower E-shaped iron yoke, 3 iron core columns formed by stacking iron core cakes and air gap base plates, a clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates is further arranged, the clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates is an insulating pull plate and an insulating pull plate pin, the number of the insulating pull plates is 3, 3 pairs of insulating pull plates sequentially clamp 3 iron core columns formed by stacking the iron core cakes and the air gap base plates from front to back, 3 upper E-shaped iron yokes and lower E-shaped iron yokes formed by stacking the iron core cakes and the air gap base plates from top to bottom, and 3 pairs of insulating pull plates sequentially clamp 3 binding tapes for fixing the iron core cakes, the air gap base plates and the insulating pull plates together on the outer surface of the iron core column formed by stacking the iron core cakes and the air gap base plates from front to back. 3 to the insulating arm-tie not only is the radial fastener of the core limb, also is the axial tensioning piece of the core limb, 3 to the insulating arm-tie realize will the utility model discloses reactor core limb radial fixation and axial tensioning are fixed, 3 to the insulating arm-tie not only is the radial fastener of core limb, have restricted 3 and stacked the front, back, left and right radial degree of freedom of the core limb formed by iron core cake and air gap backing plate, have improved the mechanical strength of 3 core limbs formed by iron core cake and air gap backing plate; and simultaneously, the utility model discloses it is insulating, lower E shape yoke folder is insulating still to have set up the E shape yoke folder. The fastening nuts of the lower E-shaped yoke clamp and the anchor of the body are fastened firstly, and then the fastening nuts of the upper E-shaped yoke clamp and the upper E-shaped yoke clamp are fastened, so that the tension of the upper E-shaped yoke clamp and the lower E-shaped yoke clamp is uniformly transmitted to the insulating pull plate through the insulating pull plate pin, the iron core cakes and the air gap base plate stacked by 3 iron core columns obtain corresponding pressing force, and after the pressing force of the iron core cakes and the air gap base plate meets the requirement, the yoke penetrating pull rod and the pull rod beside the iron yoke are respectively screwed and locked with the fastening nuts connected with the upper E-shaped yoke clamp, the upper E-shaped yoke clamp and the lower E-shaped yoke clamp. Therefore, the vibration of the iron core of the utility model is reduced or even eliminated, and the noise is controlled to a certain extent and reduced; the utility model discloses when reactor iron core structure ware body hoists and installs, the atress also be last E shape yoke folder, lower E shape yoke folder and 3 to insulating arm-tie, inside whole not atress unshakable in one's determination has made things convenient for the utility model discloses reactor iron core structure hoist and mount and installation.
The utility model discloses taut structure atress is reasonable, difficult not hard up, 3 to grasp around in proper order 3 pile up by cake unshakable in one's determination and air gap backing plate and constitute the iron core post and 3 pile up the last E shape indisputable yoke that constitutes both ends about the iron core post by cake unshakable in one's determination and air gap backing plate, the insulating arm-tie of E shape indisputable yoke uses the insulating arm-tie pinhole and the insulating arm-tie round pin that its both ends set up to be in proper order with last E shape indisputable yoke folder down, E shape indisputable yoke folder uses E shape indisputable yoke folder down, the insulating arm-tie pinhole fixed connection that sets up respectively on the E shape indisputable yoke folder down has overcome the not hard up problem of current.
The utility model discloses as above assembly process is simple, has also reduced assembly man-hour, has improved the utility model discloses reactor iron core structure assembly efficiency.
The utility model discloses because do not have the influence of current outside pull rod, the appearance is clean and tidy pleasing to the eye.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
in the drawings: 1. the iron yoke clamp comprises an upper E-shaped iron yoke clamp, 2 lower E-shaped iron yoke clamp, 3 upper E-shaped iron yoke pressing plates, 4 machine body anchor feet, 5 iron yoke penetrating pull rods, 6 iron yoke side pull rods, 7 upper E-shaped iron yoke, 8 lower E-shaped iron yoke, 9 iron core cake, 10 air gap base plate, 11 insulating pull plate, 12 insulating pull plate pin, 13 binding belt and 14 upper E-shaped iron yoke clamp.
Detailed Description
The present invention will be described in further detail with reference to the following examples.
Example 1
As shown in fig. 1, 2, and 3, a reactor core structure includes an upper E-shaped yoke clip 1, a lower E-shaped yoke clip 2, an upper E-shaped yoke pressing plate 3, and a body anchor 4, and is characterized in that: the reactor also comprises an iron core of the reactor, an iron yoke through pull rod 5 and an iron yoke side pull rod 6;
the reactor iron core is composed of 3 pairs of upper E-shaped yokes 7, lower E-shaped yokes 8, 3 iron core columns formed by stacking iron core cakes 9 and air gap backing plates 10, and further comprises clamping devices for clamping the 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10, the clamping devices for clamping the 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10 are insulating pull plates 11 and insulating pull plate pins 12, the number of the insulating pull plates 11 is 3, 3 pairs of the insulating pull plates 11 sequentially clamp the 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10 from front to back, and 3 pairs of the insulating pull plates 11 sequentially clamp 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10 from front to back, and bind the iron core cakes 9 on the outer surface of the iron core column formed by stacking the iron core cakes 9 and the air gap backing plates 10, A binding band 13 with the air gap pad plate 10 and the insulating pull plate 11 fixed together; 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10 and 3 pairs of insulating pull plates 11 which clamp the 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10 from front to back are bound and fixed by using binding belts 13, so that the front, back, left and right radial degrees of freedom of the iron core cakes 9 and the air gap backing plates 10 which form the 3 iron core columns can be limited, (an observer faces the utility model, the left side of the observer is the left side of the 3 iron core columns formed by stacking the iron core cakes and the air gap backing plates, the right side of the observer is the right side of the 3 iron core columns formed by stacking the iron core cakes and the air gap backing plates, one side of the iron core columns formed by stacking the iron core cakes and the air gap backing plates is the front side of the 3 iron core columns formed by stacking the iron core cakes and the air gap backing plates is close to the back side of the 3 iron core columns formed by stacking the iron core cakes and the air gap backing plates), the mechanical strength of 3 iron core columns formed by stacking the iron core cakes 9 and the air gap backing plates 10 can be improved; 3 pairs of insulating pull plates 11 sequentially clamping 3 iron core columns formed by stacking iron core cakes 9 and air gap base plates 10 from front to back and 3 upper E-shaped yokes 7 and lower E-shaped yokes 8 formed by stacking the iron core cakes 9 and the air gap base plates 10 from upper ends to lower ends of the iron core columns are fixedly connected with the upper E-shaped yoke clamp 1 and the lower E-shaped yoke clamp 2 in sequence by using insulating pull plate pin holes and insulating pull plate pins 12 arranged at the two ends of the insulating pull plates, and the insulating pull plate pin holes are respectively arranged on the upper E-shaped yoke clamp 1 and the lower E-shaped yoke clamp 2; 3 pairs of sequentially clamping 3 iron core columns formed by stacking iron core cakes 9 and air gap base plates 10 from front to back, and 3 insulation pulling plate pin holes respectively arranged at two ends of an insulation pulling plate 11 of an upper E-shaped iron yoke clamp 7 and a lower E-shaped iron yoke 8 which are formed by stacking the iron core cakes 9 and the air gap base plates 10 from top to bottom are sequentially in clearance fit with insulation pulling plate pin holes respectively arranged on the upper E-shaped iron yoke clamp 7 and the lower E-shaped iron yoke clamp 8;
the iron yoke punching pull rod 5 is fixedly connected with an upper E-shaped iron yoke 7, an upper E-shaped iron yoke clamping insulation 14 and an upper E-shaped iron yoke clamping 1 respectively by using fastening nuts; the iron yoke center-penetrating pull rod 5 is also fixedly connected with a lower E-shaped iron yoke 8, a lower E-shaped iron yoke clamping piece insulator and a lower E-shaped iron yoke clamping piece 2 respectively by using fastening nuts;
the pull rods 6 beside the iron yokes are fixedly connected with the upper E-shaped iron yoke clamping piece 1 through fastening nuts respectively, and the pull rods 6 beside the iron yokes are fixedly connected with the lower E-shaped iron yoke clamping piece 2 through fastening nuts respectively;
and 3, the insulating pull plate pin holes respectively formed at two ends of the insulating pull plate 11 are blind holes, and insulating gaskets are arranged between the insulating pull plate pin 12 and the upper E-shaped iron yoke 7 and between the insulating pull plate pin and the lower E-shaped iron yoke 8.
From the above description, those skilled in the art can make various changes and modifications without departing from the technical spirit of the present invention, and the present invention is within the protection scope of the present invention. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (3)
1. The utility model provides a reactor iron core structure, includes E shape indisputable yoke folder, lower E shape indisputable yoke folder, goes up E shape indisputable yoke clamp plate, ware body lower margin, characterized by: the reactor also comprises an iron core of the reactor, an iron yoke through pull rod and an iron yoke side pull rod; the reactor iron core comprises an upper E-shaped iron yoke, a lower E-shaped iron yoke, 3 iron core columns formed by stacking iron core cakes and air gap base plates and a clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates, wherein the clamping device for clamping 3 iron core columns formed by stacking the iron core cakes and the air gap base plates is an insulating pull plate and an insulating pull plate pin, the number of the insulating pull plates is 3, 3 pairs of insulating pull plates sequentially clamp 3 iron core columns formed by stacking the iron core cakes and the air gap base plates from front to back, and 3 binding tapes for fixing the iron core cakes, the air gap base plates and the insulating pull plates together are further bound on the outer surfaces of the iron core columns formed by stacking the iron core cakes and the air gap base plates by sequentially clamping 3 pairs of insulating pull plates from front to back; 3 iron core columns formed by stacking the iron core cakes and the air gap base plates and 3 pairs of insulating pull plates clamping the 3 iron core columns formed by stacking the iron core cakes and the air gap base plates from front to back are bound and fixed by using a binding belt, so that the front, back, left and right radial degrees of freedom of the iron core cakes and the air gap base plates forming the 3 iron core columns can be limited, and the mechanical strength of the 3 iron core columns formed by stacking the iron core cakes and the air gap base plates can be improved; 3 pairs of insulation pull plates sequentially clamping 3 iron core columns formed by stacking iron core cakes and air gap base plates front and back, and 3 upper E-shaped iron yokes and lower E-shaped iron yokes formed by stacking the iron core cakes and the air gap base plates at the upper and lower ends of the iron core columns are fixedly connected with an upper E-shaped iron yoke clamping piece, a lower E-shaped iron yoke clamping piece, an upper E-shaped iron yoke clamping piece and a lower E-shaped iron yoke clamping piece respectively through insulation pull plate pin holes and insulation pull plate pins which are arranged at the two ends of the insulation pull plates; 3 pairs of sequentially clamping 3 iron core columns formed by stacking iron core cakes and air gap base plates front and back, and 3 insulation pulling plate pin holes respectively arranged at two ends of an insulation pulling plate of an upper E-shaped iron yoke clamp and a lower E-shaped iron yoke which are formed by stacking the iron core cakes and the air gap base plates at the upper end and the lower end of the iron core column are sequentially in clearance fit with insulation pulling plate pin holes respectively arranged on the upper E-shaped iron yoke clamp and the lower E-shaped iron yoke clamp;
the upper E-shaped iron yoke clamping piece is insulated, the lower E-shaped iron yoke clamping piece is insulated, and the iron yoke piercing pull rod is fixedly connected with the upper E-shaped iron yoke, the upper E-shaped iron yoke clamping piece and the upper E-shaped iron yoke clamping piece respectively by using fastening nuts; the iron yoke center-penetrating pull rod is also fixedly connected with the lower E-shaped iron yoke, the lower E-shaped iron yoke clamping piece and the lower E-shaped iron yoke clamping piece respectively by using fastening nuts;
the pull rods beside the iron yokes are fixedly connected with the upper E-shaped iron yoke clamping piece through fastening nuts respectively, and the pull rods beside the iron yokes are fixedly connected with the lower E-shaped iron yoke clamping piece through fastening nuts respectively.
2. A reactor core structure according to claim 1, characterized in that: and 3, blind holes are formed in the insulation pull plate pin holes respectively formed in the two ends of the insulation pull plate.
3. A reactor core structure according to claim 1, characterized in that: and an insulating gasket is arranged between the insulating pull plate pin and the upper E-shaped iron yoke and between the insulating pull plate pin and the lower E-shaped iron yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058877.0U CN209859772U (en) | 2019-07-08 | 2019-07-08 | Iron core structure of reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921058877.0U CN209859772U (en) | 2019-07-08 | 2019-07-08 | Iron core structure of reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859772U true CN209859772U (en) | 2019-12-27 |
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ID=68942948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921058877.0U Expired - Fee Related CN209859772U (en) | 2019-07-08 | 2019-07-08 | Iron core structure of reactor |
Country Status (1)
| Country | Link |
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| CN (1) | CN209859772U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735768A (en) * | 2020-12-29 | 2021-04-30 | 广东电网有限责任公司电力科学研究院 | Dry-type transformer vibration damping device adopting negative magnetostriction material |
-
2019
- 2019-07-08 CN CN201921058877.0U patent/CN209859772U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735768A (en) * | 2020-12-29 | 2021-04-30 | 广东电网有限责任公司电力科学研究院 | Dry-type transformer vibration damping device adopting negative magnetostriction material |
| CN112735768B (en) * | 2020-12-29 | 2022-05-27 | 广东电网有限责任公司电力科学研究院 | Dry-type transformer vibration damping device adopting negative magnetostriction material |
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Granted publication date: 20191227 |