CN205028738U - High temperature resistant solenoid skeleton texture and on interior skeleton body and shell body thereof - Google Patents
High temperature resistant solenoid skeleton texture and on interior skeleton body and shell body thereof Download PDFInfo
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- CN205028738U CN205028738U CN201520855201.XU CN201520855201U CN205028738U CN 205028738 U CN205028738 U CN 205028738U CN 201520855201 U CN201520855201 U CN 201520855201U CN 205028738 U CN205028738 U CN 205028738U
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- 239000002184 metal Substances 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims description 27
- 230000004888 barrier function Effects 0.000 claims description 9
- 229910001120 nichrome Inorganic materials 0.000 claims description 6
- -1 Aludirome Inorganic materials 0.000 claims description 5
- 229910001006 Constantan Inorganic materials 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012671 ceramic insulating material Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000002966 varnish Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 13
- 239000007769 metal material Substances 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
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Abstract
The utility model discloses a high temperature resistant solenoid skeleton texture and on interior skeleton body and shell body thereof, this skeleton texture include interior skeleton body and shell body, and the both ends of shell body link to each other with interior skeleton body's both ends, form the cavity that is used for the holding coil winding between shell body and the interior skeleton body, and the coil winding twines in interior skeleton body's the outside, and interior skeleton body and shell body are in the time of 20 DEG C the metal that resistivity is not less than 1 omega mm2m. The utility model discloses the problem that became invalid is softened to the fundamental coil skeleton structure of having solved under high temperature, the high temperature resistance that can by a wide margin promote solenoid can, the utility model discloses in the skeleton texture that provides, the fragmentary subassembly relation of not only making processing technology simple, simultaneously less can make this skeleton texture have lower fault rate, does benefit to the normal operating of guaranteeing the excellent actuating mechanism of reactor control, the last required fan cooler of present CRDM can make reactor lid superstructure simplified so that being cancelled.
Description
Technical field
The utility model relates to reactor control rod driving mechanism component device field, particularly relate to a kind of high temperature resistant magnet wire ring framework structure and on in-seam support body and shell body.
Background technology
Reactor is the core of nuclear power station, and the control rod drive mechanisms (CRD) of reactor (CRDM) can promote, the lower slotting or excellent position in reactor core of retentive control, in order to control the Nuclear Fission Rate of reactor, realizes the adjustment starting, stop reactor and heap power; Under accident conditions, CRDM also can descend plug in control rod (quick scram) fast, makes reactor scram at short notice, to ensure safety.Realize these functions and be unable to do without CRDM electromagnetic coil assembly, the operational environment special due to it and function most important, so the features such as temperature resistant grade is high, good insulation preformance, resistance to irradiation, humidity, antidetonation that require CRDM solenoid to have.
For a long time, the temperature resistant grade of nuclear power station CRDM electromagnetic coil assembly is the highest can only reach about 250 DEG C, and the temperature of reactor coolant is more than 300 DEG C, so forced ventilation can only carry out to electromagnetic coil assembly the reliability service cooling guarantee CRDM in actual applications, this just makes reactor lid superstructure complicated.
In order to make nuclear power station CRDM electromagnetic coil assembly have better tolerance to high temperature in prior art, those skilled in the art have done many effort, application number as me is: CN201410500311.4, name is called: the technical scheme that the application for a patent for invention of solenoid insulation system and solenoid outsourcing housing and solenoid inner frame provides, and namely to can solve in prior art about nuclear power station CRDM electromagnetic coil assembly the hypodynamic problem of high temperature tolerance.Proposing the more simple electromagnetic coil skeleton structure of one, is problem demanding prompt solution in existing reactor control rod driving mechanism structure optimization problem.
Utility model content
Temperature resistant grade for above-mentioned nuclear power station CRDM electromagnetic coil assembly is the highest can only reach about 250 DEG C, and the temperature of reactor coolant is more than 300 DEG C, so forced ventilation can only carry out to electromagnetic coil assembly the reliability service cooling guarantee CRDM in actual applications, this just makes reactor lid superstructure complicated, the more simple electromagnetic coil skeleton structure of one is proposed, it is problem demanding prompt solution in existing reactor control rod driving mechanism structure optimization problem, the utility model provide a kind of high temperature resistant magnet wire ring framework structure and on in-seam support body and shell body.
For the problems referred to above, a kind of high temperature resistant magnet wire ring framework structure that the utility model provides and on in-seam support body and shell body achieved the goal by following technical essential: a kind of high temperature resistant magnet wire ring framework structure, comprise in-seam support body and shell body, the two ends of described shell body are connected with the two ends of in-seam support body, the cavity being used for accommodating coil windings is formed between shell body and in-seam support body, and coil winding wound is in the outside of in-seam support body, described in-seam support body and shell body are that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
For a long time, the principal element restricting the raising of CRDM solenoid temperature resistant grade is the materials and structures of coil rack.Existing CRDM electromagnetic coil skeleton mostly adopts the macromolecular materials such as glass fiber reinforced polyester ether ether ketone (PEEK), progressively will soften inefficacy under 250 DEG C of high temperature.
Concrete, when above 20 DEG C, resistivity is not less than 1 Ω mm
2in the metal finger generation of/m: at the temperature of 20 DEG C, length is 1m, and sectional area is the metal that the resistance value of 1 square millimeter is not less than 1 ohm, in the metal material of prior art, meets the above metal required and mostly is alloy.Like this, be adopted as in-seam support body and the shell body of metal material, substituting existing is in-seam support body and the shell body of nonmetallic materials, not only there is better mechanical strength, simultaneously, above metal is compared to the nonmetallic materials adopted, and also have better corrosion-resistant, non-oxidizability, above metal also can be operated in 500 DEG C and above temperature environment.Therefore the utility model have employed metal group material formation electromagnetic coil skeleton structure, fundamentally solve the coil skeleton structure at high temperature softening problem lost efficacy, significantly can promote the resistance to elevated temperatures of solenoid.
Be in-seam support body and the shell body of metal simultaneously, application number compared to our company is: the technical scheme that CN201410500311.4 provides, it has simpler structure, like this, the skeleton structure provided in the utility model, not only manufacturing processing technic simple, simultaneously less parts assembly relation this skeleton structure can be made to have lower failure rate, be beneficial to the normal operation ensureing reactor control rod driving mechanism.
But the electromagnetic coil skeleton that metal material is made operationally can produce eddy current of inducting, in order to reduce the impact of eddy current on solenoid performance, the utility model is to the just further restriction of above metal material: the utility model meets the metal that resistivity requires make skeleton structure to adopting, can effectively avoid or alleviate the impact of eddy current on coil windings of generation, ensure that CRDM solenoid normally works.Like this, if adopt the high temperature resistant magnet wire circle of this skeleton structure to be used on reactor CRDM, air cooling equipment required on existing CRDM can be made to be cancelled, reactor lid superstructure is simplified.
As the further technical scheme of above high temperature resistant magnet wire ring framework structure:
For improving insulation property and the bulk strength of solenoid, between described coil windings and shell body, be also provided with embedding insulating barrier.
As a kind of concrete embedding insulating barrier implementation, described embedding insulating barrier is the tubular structure obtained after vacuum pouring and through hot setting by insulating varnish, quartz sand.
For improving the insulation against ground performance of solenoid, between described in-seam support body and coil windings, be also provided with insulation against ground layer.
As a kind of concrete insulation against ground layer implementation, described insulation against ground layer is temperature-resistant insulation layer, and described temperature-resistant insulation layer is one or more in mica insulator, ceramic insulating material, organic silicon insulation material.
As a kind of concrete in-seam support body and outer shell construction form, described in-seam support body comprises tubular main part, the two ends of described main part are also provided with outer rim in the form of a ring, the axis of described outer rim and the axis collinear of main part, described shell body is tubular, the two ends of shell body are connected from different outer rims respectively, and shell body and the connected mode of outer rim be weld, crimp, rivet, bond in one or more.The in-seam support body of above version and shell body knot easy to manufacture, during connection and is connected afterwards both relative position and is convenient to maintenance, the cavity simultaneously obtained and existing coil windings form fit.If be preferably connected by bonding, the external diameter of above outer rim is equal with the external diameter of shell body.If be connected by crimping, outer rim is arranged the cannelure that width is slightly less than shell body wall thickness, the internal diameter of above cannelure is equal with the internal diameter of shell body.According to welding, the external diameter of outer rim, slightly larger than the external diameter of shell body, thinks weld seam reserved location.According to riveted joint, bending section is set in the end of shell body or bending section is set in outer rim.
Described cavity is annular seal space.Take upper plenum as the vibrational power flow of annular seal space; the resistance to elevated temperatures of solenoid not only can be made to improve; and coil windings and insulation encapsulated layer can be protected well by the enclosed cavity formed; significantly improve the bulk strength of solenoid insulation system; both the ability of solenoid moisture resistant, anti-vibration can have been strengthened; solenoid integrality at high temperature can be kept long-term effectively again; the possibility that after eliminating high-temperature insulating paint inefficacy, insulation encapsulated Rotating fields scatters and disappears, can increase substantially heat resistance and the useful life of solenoid.
As the concrete possibility of the metal met the demands above, described metal is any one in nichrome, Aludirome, nichrome, constantan, and as those skilled in the art, above metal is not limited to above disclosed several alloy material.
Meanwhile, based on the above-mentioned invention thinking to skeleton structure, the utility model provides a kind of in-seam support body of solenoid, and described in-seam support body is that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
Meanwhile, based on the above-mentioned invention thinking to skeleton structure, the utility model provides a kind of shell body of solenoid, and described shell body is that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
The utility model has following beneficial effect:
1, in this skeleton structure, be adopted as in-seam support body and the shell body of metal material, substituting existing is in-seam support body and the shell body of nonmetallic materials, not only there is better mechanical strength, simultaneously, above metal is compared to the nonmetallic materials adopted, and also have better corrosion-resistant, non-oxidizability, above metal also can be operated in 500 DEG C and above temperature environment.Therefore the utility model have employed metal group material formation electromagnetic coil skeleton structure, fundamentally solve the coil skeleton structure at high temperature softening problem lost efficacy, significantly can promote the resistance to elevated temperatures of solenoid.
2, be in-seam support body and the shell body of metal above while, application number compared to our company is: the technical scheme that CN201410500311.4 provides, it has simpler structure, like this, the skeleton structure provided in the utility model, not only manufacturing processing technic simple, simultaneously less parts assembly relation this skeleton structure can be made to have lower failure rate, be beneficial to the normal operation ensureing reactor control rod driving mechanism.
If 3, adopt the high temperature resistant magnet wire circle of this skeleton structure to be used on reactor CRDM, air cooling equipment required on existing CRDM can be made to be cancelled, reactor lid superstructure is simplified.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of a kind of high temperature resistant magnet wire ring framework structure described in the utility model specific embodiment;
Fig. 2 is in a kind of high temperature resistant magnet wire ring framework structure described in the utility model specific embodiment, the structural representation of in-seam support body;
Fig. 3 is in a kind of high temperature resistant magnet wire ring framework structure described in the utility model specific embodiment, the structural representation of shell body.
Label in figure represents respectively: 1, in-seam support body, and 2, shell body, 3, coil windings, 4, embedding insulating barrier, 5, insulation against ground layer.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As shown in Figure 1 to Figure 3, a kind of high temperature resistant magnet wire ring framework structure, comprise in-seam support body 1 and shell body 2, the two ends of described shell body 2 are connected with the two ends of in-seam support body 1, the cavity being used for accommodating coil windings 3 is formed between shell body 2 and in-seam support body 1, and coil windings 3 is wound in the outside of in-seam support body 1, described in-seam support body 1 and shell body 2 are that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
For a long time, the principal element restricting the raising of CRDM solenoid temperature resistant grade is the materials and structures of coil rack.Existing CRDM electromagnetic coil skeleton mostly adopts the macromolecular materials such as glass fiber reinforced polyester ether ether ketone (PEEK), progressively will soften inefficacy under 250 DEG C of high temperature.
In the present embodiment, when above 20 DEG C, resistivity is not less than 1 Ω mm
2in the metal finger generation of/m: at the temperature of 20 DEG C, length is 1m, and sectional area is the metal that the resistance value of 1 square millimeter is not less than 1 ohm, in the metal material of prior art, meets the above metal required and mostly is alloy.Like this, be adopted as in-seam support body 1 and the shell body 2 of metal material, substituting existing is in-seam support body 1 and the shell body 2 of nonmetallic materials, not only there is better mechanical strength, simultaneously, above metal is compared to the nonmetallic materials adopted, and also have better corrosion-resistant, non-oxidizability, above metal also can be operated in 500 DEG C and above temperature environment.Therefore the utility model have employed metal group material formation electromagnetic coil skeleton structure, fundamentally solve the coil skeleton structure at high temperature softening problem lost efficacy, significantly can promote the resistance to elevated temperatures of solenoid.
Be in-seam support body 1 and the shell body 2 of metal simultaneously, application number compared to our company is: the technical scheme that CN201410500311.4 provides, it has simpler structure, like this, the skeleton structure provided in the utility model, not only manufacturing processing technic simple, simultaneously less parts assembly relation this skeleton structure can be made to have lower failure rate, be beneficial to the normal operation ensureing reactor control rod driving mechanism.
But the electromagnetic coil skeleton that metal material is made operationally can produce eddy current of inducting, in order to reduce the impact of eddy current on solenoid performance, the utility model is to the just further restriction of above metal material: the utility model meets the metal that resistivity requires make skeleton structure to adopting, can effectively avoid or alleviate the eddy current of generation to the impact of coil windings 3, ensure that CRDM solenoid normally works.Like this, if adopt the high temperature resistant magnet wire circle of this skeleton structure to be used on reactor CRDM, air cooling equipment required on existing CRDM can be made to be cancelled, reactor lid superstructure is simplified.
Meanwhile, based on the above-mentioned invention thinking to skeleton structure, the utility model provides a kind of in-seam support body 1 of solenoid, and described in-seam support body 1 is that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
Meanwhile, based on the above-mentioned invention thinking to skeleton structure, the utility model provides a kind of shell body 2 of solenoid, and described shell body 2 is that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
Embodiment 2:
As shown in Figure 1 to Figure 3, the present embodiment is further qualified on the basis of embodiment 1: as the further technical scheme of above a kind of high temperature resistant magnet wire ring framework structure:
For improving insulation property and the bulk strength of solenoid, between described coil windings 3 and shell body 2, be also provided with embedding insulating barrier 4.
As a kind of concrete embedding insulating barrier 4 implementation, described embedding insulating barrier 4 is the tubular structure obtained after vacuum pouring and through hot setting by insulating varnish, quartz sand.
Embodiment 3:
As shown in Figure 1 to Figure 3, the present embodiment is further qualified on the basis of embodiment 1: for improving the insulation against ground performance of solenoid, be also provided with insulation against ground layer 5 between described in-seam support body 1 and coil windings 3.
As a kind of concrete insulation against ground layer 5 implementation, described insulation against ground layer 5 is temperature-resistant insulation layer, and described temperature-resistant insulation layer is one or more in mica insulator, ceramic insulating material, organic silicon insulation material.
Embodiment 4:
As shown in Figure 1 to Figure 3, the present embodiment is further qualified on the basis of embodiment 1: as a kind of concrete in-seam support body 1 and shell body 2 version, described in-seam support body 1 comprises tubular main part, the two ends of described main part are also provided with outer rim in the form of a ring, the axis of described outer rim and the axis collinear of main part, described shell body 2 is in tubular, the two ends of shell body 2 are connected from different outer rims respectively, and shell body 2 and the connected mode of outer rim be weld, crimp, rivet, bond in one or more.In-seam support body 1 and the shell body 2 of above version are tied easy to manufacture, during connection be connected after both relative position be convenient to keep, the cavity simultaneously obtained and existing coil windings 3 form fit.In the present embodiment, if be connected by bonding, the external diameter of above outer rim is equal with the external diameter of shell body 2.If be connected by crimping, outer rim is arranged the cannelure that width is slightly less than shell body 2 wall thickness, the internal diameter of above cannelure is equal with the internal diameter of shell body 2.According to welding, the external diameter of outer rim, slightly larger than the external diameter of shell body 2, thinks weld seam reserved location.According to riveted joint, bending section is set in the end of shell body 2 or bending section is set in outer rim.
Embodiment 5:
As shown in Figure 1 to Figure 3, the present embodiment is further qualified on the basis of embodiment 1: described cavity is annular seal space.Take upper plenum as the vibrational power flow of annular seal space; the resistance to elevated temperatures of solenoid not only can be made to improve; and coil windings 3 and insulation encapsulated layer can be protected well by the enclosed cavity formed; significantly improve the bulk strength of solenoid insulation system; both the ability of solenoid moisture resistant, anti-vibration can have been strengthened; solenoid integrality at high temperature can be kept long-term effectively again; the possibility that after eliminating high-temperature insulating paint inefficacy, insulation encapsulated Rotating fields scatters and disappears, can increase substantially heat resistance and the useful life of solenoid.
Embodiment 6:
The present embodiment is further qualified on the basis of embodiment 1: as the concrete possibility of the metal met the demands above, described metal is any one in nichrome, Aludirome, nichrome, constantan, as those skilled in the art, above metal is not limited to above disclosed several alloy material.
Above content is the further description done the utility model in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other execution modes drawn under the technical solution of the utility model, all should be included in protection range of the present utility model.
Claims (10)
1. a high temperature resistant magnet wire ring framework structure, comprise in-seam support body (1) and shell body (2), the two ends of described shell body (2) are connected with the two ends of in-seam support body (1), the cavity being used for accommodating coil windings (3) is formed between shell body (2) and in-seam support body (1), and coil windings (3) is wound in the outside of in-seam support body (1), it is characterized in that, described in-seam support body (1) and shell body (2) are that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
2. a kind of high temperature resistant magnet wire ring framework structure according to claim 1, is characterized in that, be also provided with embedding insulating barrier (4) between described coil windings (3) and shell body (2).
3. a kind of high temperature resistant magnet wire ring framework structure according to claim 2, is characterized in that, described embedding insulating barrier (4) is the tubular structure obtained after vacuum pouring and through hot setting by insulating varnish, quartz sand.
4. according to a kind of high temperature resistant magnet wire ring framework structure in claim described in 1, it is characterized in that, between described in-seam support body (1) and coil windings (3), be also provided with insulation against ground layer (5).
5. according to a kind of high temperature resistant magnet wire ring framework structure in claim described in 4, it is characterized in that, described insulation against ground layer (5) is temperature-resistant insulation layer, and described temperature-resistant insulation layer is one or more in mica insulator, ceramic insulating material, organic silicon insulation material.
6. a kind of high temperature resistant magnet wire ring framework structure according to claim 1, it is characterized in that, described in-seam support body (1) comprises tubular main part, the two ends of described main part are also provided with outer rim in the form of a ring, the axis of described outer rim and the axis collinear of main part, described shell body (2) is in tubular, and the two ends of shell body (2) are connected from different outer rims respectively, and shell body (2) and the connected mode of outer rim be weld, crimp, rivet, bond in one or more.
7. a kind of high temperature resistant magnet wire ring framework structure according to claim 1, it is characterized in that, described cavity is annular seal space.
8. a kind of high temperature resistant magnet wire ring framework structure according to claim 1, is characterized in that, described metal is any one in nichrome, Aludirome, nichrome, constantan.
9. the in-seam support body of solenoid, is characterized in that, described in-seam support body (1) is that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
10. the shell body of solenoid, is characterized in that, described shell body (2) is that resistivity is not less than 1 Ω mm 20 DEG C time
2the metal of/m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520855201.XU CN205028738U (en) | 2015-10-29 | 2015-10-29 | High temperature resistant solenoid skeleton texture and on interior skeleton body and shell body thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520855201.XU CN205028738U (en) | 2015-10-29 | 2015-10-29 | High temperature resistant solenoid skeleton texture and on interior skeleton body and shell body thereof |
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| CN205028738U true CN205028738U (en) | 2016-02-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762174A (en) * | 2016-12-23 | 2017-05-31 | 广州三业科技有限公司 | Oil cutting-off device and diesel engine |
| US10170208B2 (en) | 2015-12-31 | 2019-01-01 | Jie Yu | Electromagnetic coil bobbin used in reactor as well as inner bobbin and outter shell |
| CN109935436A (en) * | 2017-12-18 | 2019-06-25 | 中国核动力研究设计院 | A kind of ceramic insulated wire coil structures suitable for control rod drive mechanism |
-
2015
- 2015-10-29 CN CN201520855201.XU patent/CN205028738U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10170208B2 (en) | 2015-12-31 | 2019-01-01 | Jie Yu | Electromagnetic coil bobbin used in reactor as well as inner bobbin and outter shell |
| CN106762174A (en) * | 2016-12-23 | 2017-05-31 | 广州三业科技有限公司 | Oil cutting-off device and diesel engine |
| CN109935436A (en) * | 2017-12-18 | 2019-06-25 | 中国核动力研究设计院 | A kind of ceramic insulated wire coil structures suitable for control rod drive mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190522 Address after: 610000 Sichuan Chengdu Dujiangyan Sichuan Dujiangyan Economic Development Zone No. 5 Longxiang Road Co-patentee after: Nuclear Power Institute of China Patentee after: Sichuan Huadu Nuclear Equipment Manufacture Co., Ltd. Address before: 200000 1901, 14 Lane 152 lane, Yanchang Road, Zhabei District, Shanghai. Patentee before: Yu Jie |
|
| TR01 | Transfer of patent right |