CN202139717U - Anti-seismic structure used for current converting device in emergency power supply system of nuclear power plant - Google Patents
Anti-seismic structure used for current converting device in emergency power supply system of nuclear power plant Download PDFInfo
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- CN202139717U CN202139717U CN201120161974U CN201120161974U CN202139717U CN 202139717 U CN202139717 U CN 202139717U CN 201120161974 U CN201120161974 U CN 201120161974U CN 201120161974 U CN201120161974 U CN 201120161974U CN 202139717 U CN202139717 U CN 202139717U
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Abstract
The utility model is applicable to the technical field of fixing structures for equipment of nuclear power plants and provides an anti-seismic structure used for a current converting device in an emergency power supply system of a nuclear power plant. The anti-seismic structure comprises a cabinet body, wherein the cabinet body comprises four channel steel in the vertical direction; reinforcing steel beams are welded on the side faces of the cabinet body; densely-arranged mounting through holes are formed in the channel steel; and the surfaces of the channel steel with the mounting through holes and the side walls of the cabinet body are arranged at intervals. The anti-seismic structure used for the current converting device in the emergency power supply system of the nuclear power plant has good anti-seismic performance, can bear high-intensity earthquakes, has low possibility of deformation, can guarantee the normal working of a power supply, an instrument control device and other equipment in the earthquakes, and is favorable for guaranteeing the safety operation of the nuclear power plants.
Description
Technical field
The utility model belongs to million kilowatt advanced pressurized water reactor nuclear power plant key technology area, relates in particular to a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter.
Background technology
Nuclear power station (nuclear power plant) is to utilize nuclear fission (Nuclear Fission) or nuclear fusion (Nuclear Fusion) to react the power plant that the energy that is discharged produces electric energy.
In order to protect the health of nuclear power station staff and nuclear power station surrounding resident; The principle of depth defense is all adopted in the design of nuclear power station, construction and operation; From equipment, measure multiple protective is provided, the power output of reactor is effectively controlled to guarantee nuclear power station; And can be various natural calamities occurring, like earthquake, tsunami, flood etc., or the artificial fire that produces, blast etc., also can guarantee reactor fuel assemblies is cooled off fully, and then guarantee that the discharging to environment does not take place penetrating property material.The depth defense principle generally comprises five layers of defence line; The first floor defence line: well-designed, make, construction, guarantee that nuclear power station has superior hardware environment, sets up perfect program and strict system; To the systematic education and training of nuclear power station staff, set up complete nuclear Safety Culture; Second layer defence line: strengthen operational management and supervision, in time the correct handling abnormal conditions are fixed a breakdown; The 3rd layer of defence line: under the severely subnormal situation, the control of reactor and protection system can in time and effectively be moved, to prevent equipment fault and human error and then to develop into accident; The 4th layer of defence line: under accident conditions, in time launch the nuclear plant safety protection system, comprise various engineered safeguards features, in order to the power management in the reinforcement accident, the accident that prevents enlarges, to guarantee the integrality of nuclear power station three road safety curtains; The layer 5 defence line: just in case the extremely impossible accident that takes place takes place, and leak with radioactivity, should in time launch inside and outside all emergency systems of factory, make great efforts to alleviate the influence of accident to surrounding resident and environment.
Safety system all adopts autonomous device and redundant arrangement, makes that security system can be antiseismic and in other adverse circumstances, move.
No matter power supply is provided with or moves as the power source of nuclear power station operation, all should embody the theory of depth defense.For realizing the high reliability of nuclear power station power-supply system, all should have emergency power supply to the consumer of some particular importance or the equipment of specific (special) requirements, carry out multiplicity, the setting of independence ground simultaneously, cause the unavailable of emergency power supply to avoid that common mode failure takes place.
The emergency power system of nuclear power station and normal power source system constitute station service electrical system together jointly, for consumers all in the factory provides safe and reliable power supply.Emergency power supply must guarantee during normal operation condition, accident conditions or behind the accident conditions for the emergent safety means of nuclear power station provide power supply, with the execution security function.Because the particularity of nuclear power station nuclear safety is so the designing requirement of its power-supply system should be much higher than other industry.
Nuclear power station is provided with the multiple tracks redundant power; Comprise dedicated emergency power supplys such as main power source outside the factory, off-site auxiliary power source and emergent stationary diesel engine, Each performs its own functions for each power supply, and cooperation is arranged again simultaneously mutually; Not only various informative; And be provided with layer by layer, multiple redundancy provides reliable power supply for electric nuclear power station to greatest extent.
At present, the station service electrical system method of operation of nuclear power station is following:
1) under normal running (operation) conditions, the electrical distribution system of whole station-service equipment is supplied power through HV Auxiliary Transformer by the 26KV bus of unit;
2) when unit operation, the 26KV bus is supplied power by main generator;
3) during generator outage, then send to the 26KV bus through main transformer by the 400/500KV electrical network;
4) if the 26KV bus loses power supply or loses HV Auxiliary Transformer, promptly lose main power source outside the factory, then the 220KV electrical network to the safe supporting facility power supply power supply that must move, makes reactor maintain hot shutdown condition through auxiliary transformer;
5) if main power source and off-site auxiliary power source all lose power supply outside the factory, then supply power to emergent ancillary service, make reactor get into the cold shut state by the emergency diesel dynamo group;
6) when any emergency diesel dynamo group of nuclear power generating sets is unavailable, then replace by the 5th diesel engine, carry out the function of emergency diesel dynamo group, for engineered safeguards features, reactor core waste heat are discharged and the cooling power supply of spentnuclear fuel pond.
Yet fixed emergency diesel-oil unit has certain limitation.This be because; Drive generator operation at stationary diesel engine, when the energy of diesel oil is converted into electric energy; Must be through the pure air in the stationary diesel engine cylinder, after will filtering with after high-pressure atomization diesel oil that atomizer ejects fully mixes; Promote descent of piston, each cylinder is work done successively in certain sequence, thereby drives crankshaft rotating.Drive the rotor of generator again through the rotation of stationary diesel engine, utilize " electromagnetic induction " principle, generator will be exported induced electromotive force, just can produce electric current through closed load circuit, thereby realizes electricity generate function.In the above-mentioned power generation process, must could realize with fully mixing of high-pressure atomization diesel oil through air.When in situation such as flood, tsunami, mud-rock flow following time; The electrical system of stationary diesel engine might lose efficacy because of water logging; Oil supply pipe, compressed air piping might rupture because of external impact force; The diesel engine body might be because impact force and structure deforms, and these all can cause the stationary diesel generating set to start, and then emergency power supply can't be provided.
Therefore; Under the situation that other power supplys lose, as the fixed emergency diesel-oil unit of the final emergency power supply of nuclear power station, because himself characteristic has determined it can not resist the water logging disaster---like flood, tsunami, typhoon tide etc.; When the extreme natural calamity of super design reference occurring; Fixed emergency diesel-oil unit is easy to lose power supply, can't the power demand that the reactor core waste heat is discharged and cool off in the spentnuclear fuel pond be provided for nuclear power station, and this will cause nuclear power station to produce catastrophic consequence.
In the present power supply and the fixed structure of instrument control device; Though the device of various forms of conventional structures is arranged, device poor seismic behavior of the prior art can't be born the earthquake of high earthquake intensity; The rack that in earthquake, installs is easy to distortion; To cause the instrument control device of power supply normally not work, influence nuclear power station relevant device reliability of operation, be unfavorable for the safe operation of nuclear power station.
Additionally, ground rack form structure is different in power supply of the prior art and the instrument control device, but it can't be general, when loading various parts in the rack, needs to change according to the appearance and size of different parts the rack of different size, and versatility is poor, and application cost is high.
The utility model content
The purpose of the utility model is to overcome the deficiency of above-mentioned prior art; A kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter is provided; Its anti-seismic performance is good, can bear the earthquake of high earthquake intensity, and rack can not be out of shape; The equipment such as power supply, instrument control device that guarantee also can normally be worked in earthquake, are beneficial to the safe operation that guarantees nuclear power station.
The technical scheme of the utility model is: a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter, comprise the rack cabinet, and said rack cabinet comprises four channel-section steels that are arranged at vertical direction, in the side of rack cabinet welding reinforced steel beam and girder; Offer the installation through holes of dense arrangement on the said channel-section steel, the said surperficial sidewall with the rack cabinet of channel-section steel that offers installation through holes apart is provided with.
Particularly, said rack cabinet is provided with installation component, and the sidewall of said installation component convexes with lug, offers on the said lug and the corresponding installation perforation of said installation through holes, is fixed with pcb board on the said installation component.
Particularly, said rack cabinet is provided with and is used for the rack cabinet is divided at least two layers interval base plate.
Particularly, the drift angle place, bottom of said interval base plate is set with fixed head, offers the fixed via that is complementary with said installation through holes on the said fixed head, and said interval base plate is fixedly connected on the said channel-section steel through locking member.
Particularly, said rack cabinet is provided with crossbeam, offers the installation aperture of a plurality of dense arrangement on the crossbeam, and crossbeam is fixed on the installation through holes of channel-section steel.
Preferably, said locking member is a fastening bolt, and said locking member is arranged in said fixed via and installation through holes; Be arranged with spring shim on the said fastening bolt.
Particularly, offer on the said rack cabinet and be used to the installation groove that supplies cable to wear, said installation groove place is provided with netted coil holder, and cable is arranged in the mesh of coil holder and fastens on coil holder through binding strap; Fill out and be provided with fire-proof sealing material at said installation groove place.
Particularly, the bottom of said rack cabinet is provided with installation portion, and the rack cabinet is fixed on the installed surface, is embedded with built-in fitting in the installed surface, and said built-in fitting is provided with screw hole, and said installation portion lock onto in the screw hole of built-in fitting through securing member; Said securing member is a bolt, is arranged with elastomeric pad on the said bolt.
Particularly, four jiaos of said pcb board all offer fixedly perforation with the center, and said pcb board is arranged with the insulation cushion of the damping of can insulating through connector locking on the said connector.
Perhaps, said rack cabinet is provided with slot, and said slot is oppositely arranged, and said pcb board is inserted in the two relative slots that are provided with, and is provided with cushioning members in the said slot; Offer locking hole on the said slot, said pcb board be provided with can lock with said locking hole on fixing hole.
A kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that the utility model provides; It has increased the structural strength of rack cabinet greatly through channel-section steel and reinforced steel beam and girder are set, and has improved anti-seismic performance; To bear the earthquake of high earthquake intensity; The rack cabinet can not be out of shape, and the equipment such as power supply, instrument control device that guarantee also can normally be worked in earthquake, are beneficial to the safe operation that guarantees nuclear power station; Through on channel-section steel, offering the installation through holes of dense arrangement, it can be easily according to the installation site of actual conditions adjustment related components, and the product versatility is good, and application cost is low.
Description of drawings
The structural representation of the cabinet of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 1 is that the utility model embodiment provides;
The schematic perspective view of the channel-section steel of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 2 is that the utility model embodiment provides;
The schematic perspective view of the pcb board of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 3 is that the utility model embodiment provides;
The schematic perspective view of the interval base plate of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 4 is that the utility model embodiment provides;
The schematic perspective view of the installation component of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 5 is that the utility model embodiment provides;
The schematic perspective view of the insulation cushion of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 6 is that the utility model embodiment provides;
The floor map of another installation component of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 7 is that the utility model embodiment provides;
The schematic perspective view of another installation component of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 8 is that the utility model embodiment provides;
The partial schematic diagram of the rack of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Fig. 9 is that the utility model embodiment provides;
The structural representation of the coil holder of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Figure 10 is that the utility model embodiment provides;
The first angle sketch map of the slot of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Figure 11 is that the utility model embodiment provides;
The second angle sketch map of the slot of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Figure 12 is that the utility model embodiment provides;
The angular sketch map of the slot of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Figure 13 is that the utility model embodiment provides;
The floor map of the built-in fitting of a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that Figure 14 is that the utility model embodiment provides.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Like Fig. 1～shown in Figure 14; A kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that the utility model embodiment provides; Comprise rack cabinet 5100; Said rack cabinet 5100 comprises four channel-section steels 5110 that are arranged at vertical direction, in the side of rack cabinet 5100 welding reinforced steel beam and girder 5120; Arranged in a crossed manner and the centering setting in reinforced steel beam and girder 5120 diagonal angles; Be connected on the adjacent channel-section steel 5110; Strengthened the structural stability of rack body greatly, even under the abominable situation such as earthquake of high earthquake intensity, rack cabinet 5100 still can guarantee reliability of structure; Rack cabinet 5100 can not be out of shape, thereby guarantees that rack cabinet 5100 inner electronic devices can keep the reliability of work.Offer the installation through holes 5111 of dense arrangement on the said channel-section steel 5110, installation through holes 5111 is by certain spacing distance setting, and the installation through holes 5111 of its horizontal direction is positioned on the same plane.The said channel-section steel 5110 surperficial sidewalls with rack cabinet 5100 that offer installation through holes 5111 apart are provided with, and to stay enough heat-dissipating spaces, are beneficial to the heat radiation of rack cabinet 5100 internal electric components and parts.
Particularly, like Fig. 1～shown in Figure 14, said rack cabinet 5100 is provided with installation component 5200; The sidewall of said installation component 5200 convexes with lug 5210; Lug 5210 can be convexly set in the side of installation component 5200 and can fit in the surface of channel-section steel 5110, offers on the said lug 5210 and said installation through holes 5111 corresponding installation perforations 5211, like this; Can installation component 5200 be lock onto on the rack cabinet 5100 reliably through screw etc., shock resistance is good.
Particularly; Like Fig. 1～shown in Figure 14; Also can crossbeam 5130 be set at rack cabinet 5100, offer the installation aperture of a plurality of dense arrangement on the crossbeam 5130, crossbeam 5130 can be fixed on the installation through holes suitable on the channel-section steel 5,110 5111 according to actual conditions; Can be according to the practical situation flexible of reality, to adapt to condition of different.Correspondingly, the lug 5210 on the installation component 5200 can be convexly set in the lower end of installation component 5200 and can fit in the upper surface of crossbeam 5130.The continuous hole of installation on the lug 5210 can be connected on the suitable installation aperture as the case may be, and its mounting means is flexible, and versatility is good.
Particularly, like Fig. 1～shown in Figure 14, said rack cabinet 5100 is provided with and is used for rack cabinet 5100 is divided at least two layers interval base plate 5400, so that install and fix different component.
Particularly; Like Fig. 1～shown in Figure 14; The drift angle place, bottom of said interval base plate 5400 is set with fixed head 5410, offers the fixed via 5411 that is complementary with said installation through holes 5111 on the said fixed head 5410, so that neatly interval base plate 5400 is fixed in corresponding position on the rack cabinet 5100; Specifically can adjust flexibly according to actual conditions; Different with the rack of prior art median septum fixed-site, the gap between its adjustment layer and the layer is very convenient, and the user can be according to the on-the-spot adjustment of actual conditions.
Preferably, like Fig. 1～shown in Figure 14, said interval base plate 5400 is fixedly connected on the said channel-section steel 5110 through locking member, and its easy accessibility and reliable in structure are even still can make at interval base plate 5400 fix reliably under limiting cases such as earthquake.
Preferably, like Fig. 1～shown in Figure 14, said locking member is a bolt, and said locking member is arranged in said fixed via 5411 and installation through holes 5111, and bolt adopts the bolt more than 6.8 grades, to guarantee reliability of structure.
Particularly,, be arranged with spring shim on the said fastening bolt, to improve reliability of structure like Fig. 1～shown in Figure 14.
Particularly; Like Fig. 1～shown in Figure 14; Offer on the said rack cabinet 5100 and be used to the installation groove that supplies cable 5510 to wear, said installation groove place is provided with netted coil holder 5500, and cable 5510 is arranged in the mesh of coil holder 5500 and fastens on coil holder 5500 through binding strap 5520; Fill out and be provided with fire-proof sealing material at said installation groove place.
Particularly, like Fig. 1～shown in Figure 14, the bottom of said rack cabinet 5100 is provided with installation portion; Rack cabinet 5100 is fixed on the installed surface; Be embedded with built-in fitting 5600 in the installed surface, said built-in fitting 5600 is provided with screw hole 5601, and said installation portion lock onto in the screw hole 5601 of built-in fitting 5600 through securing member; Through such design, rack cabinet 5100 is fixed on the built-in fitting 5600 reliably.Built-in fitting 5600 is embedded under the installed surface, and it is very firm.
Preferably, like Fig. 1～shown in Figure 14, said securing member is a bolt, is arranged with elastomeric pad on the said bolt, to improve reliability of structure.
Particularly; Like Fig. 1～shown in Figure 14, be fixed with pcb board 5300 on the said installation component 5200, four jiaos of said pcb board 5300 all offer fixedly perforation 5301 with the center; Through such fixed form, pcb board 5300 can be fixed on the rack cabinet 5100 reliably.Said pcb board 5300 is arranged with the insulation cushion 5310 of the damping of can insulating through connector locking on the said connector, insulation cushion 5310 can adopt elastomeric material to make; Elasticity is good on the one hand for it, and damping performance is good, on the other hand; Its insulating properties are good, can improve the anti-seismic performance of equipment.
Perhaps; Like Fig. 1～shown in Figure 14, as the replacement scheme of above-mentioned technology, said rack cabinet 5100 is provided with slot 5700; Said slot 5700 is oppositely arranged; Said pcb board 5300 is inserted in the two relative slots 5700 that are provided with, and its shock resistance is good, is provided with cushioning members in the said slot 5700; Offer locking hole 5701 on the said slot 5700, said pcb board 5300 be provided with can lock with said locking hole 5701 on fixing hole.When pcb board 5300 is installed; Only need pcb board 5300 is inserted along slot 5700; And be arranged in fixing hole and locking member through screw etc.; Thereby pcb board 5300 is lock onto in the slot 5700 reliably, solved the heat dissipation problem of pcb board 5300 on the one hand, improved the shock resistance of pcb board 5300 on the other hand.
Preferably; Like Fig. 1～shown in Figure 14, cushioning members adopts flexible insulating material such as rubber to process, and it can play good bumper and absorbing shock effect; When the earthquake of high earthquake intensity takes place; Cushioning members is the energy of absorbing vibration in time, guarantees that pcb board 5300 does not damage in earthquake, thereby makes equipment be able to continue reliably operation.
A kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter that the utility model provides; It has increased the structural strength of rack cabinet 5100 greatly through channel-section steel 5110 and reinforced steel beam and girder 5120 are set, and has improved anti-seismic performance; To bear the earthquake of high earthquake intensity; Rack cabinet 5100 can not be out of shape, and the equipment such as power supply, instrument control device that guarantee also can normally be worked in earthquake, are beneficial to the safe operation that guarantees nuclear power station; Through on channel-section steel 5110, offering the installation through holes 5111 of dense arrangement, it can be easily according to the installation site of actual conditions adjustment related components, and the product versatility is good, and application cost is low.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement or improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. earthquake resistant structure that is used for nuclear power station emergency power supply system current converter, it is characterized in that: comprise the rack cabinet, said rack cabinet comprises four channel-section steels that are arranged at vertical direction, in the side of rack cabinet welding reinforced steel beam and girder; Offer the installation through holes of dense arrangement on the said channel-section steel, the said surperficial sidewall with the rack cabinet of channel-section steel that offers installation through holes apart is provided with.
2. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 1; It is characterized in that: said rack cabinet is provided with installation component; The sidewall of said installation component convexes with lug; Offer on the said lug and the corresponding installation perforation of said installation through holes, be fixed with pcb board on the said installation component.
3. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 1 is characterized in that: said rack cabinet is provided with and is used for the rack cabinet is divided at least two layers interval base plate.
4. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 1; It is characterized in that: the drift angle place, bottom of said interval base plate is set with fixed head; Offer the fixed via that is complementary with said installation through holes on the said fixed head, said interval base plate is fixedly connected on the said channel-section steel through locking member.
5. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 1; It is characterized in that: said rack cabinet is provided with crossbeam; Offer the installation aperture of a plurality of dense arrangement on the crossbeam, crossbeam is fixed on the installation through holes of channel-section steel.
6. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 5, it is characterized in that: said locking member is a fastening bolt, and said locking member is arranged in said fixed via and installation through holes; Be arranged with spring shim on the said fastening bolt.
7. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 1; It is characterized in that: offer on the said rack cabinet and be used to the installation groove that supplies cable to wear; Said installation groove place is provided with netted coil holder, and cable is arranged in the mesh of coil holder and fastens on coil holder through binding strap; Fill out and be provided with fire-proof sealing material at said installation groove place.
8. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 1; It is characterized in that: the bottom of said rack cabinet is provided with installation portion; The rack cabinet is fixed on the installed surface; Be embedded with built-in fitting in the installed surface, said built-in fitting is provided with screw hole, and said installation portion lock onto in the screw hole of built-in fitting through securing member; Said securing member is a bolt, is arranged with elastomeric pad on the said bolt.
9. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 2; It is characterized in that: four jiaos of said pcb board all offer fixedly perforation with the center; Said pcb board is arranged with the insulation cushion of the damping of can insulating through connector locking on the said connector.
10. a kind of earthquake resistant structure that is used for nuclear power station emergency power supply system current converter as claimed in claim 2; It is characterized in that: said rack cabinet is provided with slot; Said slot is oppositely arranged; Said pcb board is inserted in the two relative slots that are provided with, and is provided with cushioning members in the said slot; Offer locking hole on the said slot, said pcb board be provided with can lock with said locking hole on fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120161974U CN202139717U (en) | 2011-05-20 | 2011-05-20 | Anti-seismic structure used for current converting device in emergency power supply system of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120161974U CN202139717U (en) | 2011-05-20 | 2011-05-20 | Anti-seismic structure used for current converting device in emergency power supply system of nuclear power plant |
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| CN202139717U true CN202139717U (en) | 2012-02-08 |
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| CN201120161974U Expired - Lifetime CN202139717U (en) | 2011-05-20 | 2011-05-20 | Anti-seismic structure used for current converting device in emergency power supply system of nuclear power plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208828A (en) * | 2011-05-20 | 2011-10-05 | 中国广东核电集团有限公司 | Emergency power source current conversion device for nuclear power station and control method |
| CN104918428A (en) * | 2015-05-25 | 2015-09-16 | 铜陵宏正网络科技有限公司 | High-strength network equipment cabinet |
-
2011
- 2011-05-20 CN CN201120161974U patent/CN202139717U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208828A (en) * | 2011-05-20 | 2011-10-05 | 中国广东核电集团有限公司 | Emergency power source current conversion device for nuclear power station and control method |
| CN102208828B (en) * | 2011-05-20 | 2013-08-28 | 中国广东核电集团有限公司 | Emergency power source current conversion device for nuclear power station and control method |
| CN104918428A (en) * | 2015-05-25 | 2015-09-16 | 铜陵宏正网络科技有限公司 | High-strength network equipment cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lingao Nuclear Power Co., Ltd. Assignor: China Guangdong Nuclear Power Group Co., Ltd.|Daya Bay Nuclear Power Operation and Management Co., Ltd Contract record no.: 2012440020361 Denomination of utility model: Aseismic structure for commutation device of emergency power system of nuclear power station Granted publication date: 20120208 License type: Exclusive License Record date: 20121212 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA GENERAL NUCLEAR GROUP CO., LTD. Free format text: FORMER NAME: CHINA GUANGDONG NUCLEAR POWER GROUP CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen science and technology building, No. 1001 Futian District Road, Shenzhen city in Guangdong province 518031 17-19 floor Patentee after: China General Nuclear Power Corporation Patentee after: Dayawan Nuclear Power Running Management Co., Ltd. Address before: Shenzhen science and technology building, No. 1001 Futian District Road, Shenzhen city in Guangdong province 518031 17-19 floor Patentee before: China Guangdong Nuclear Power Group Co., Ltd. Patentee before: Dayawan Nuclear Power Running Management Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
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| CX01 | Expiry of patent term |