CN201562622U - Inflatable high-voltage switchgear vacuum circuit-breaker - Google Patents
Inflatable high-voltage switchgear vacuum circuit-breaker Download PDFInfo
- Publication number
- CN201562622U CN201562622U CN2009202742195U CN200920274219U CN201562622U CN 201562622 U CN201562622 U CN 201562622U CN 2009202742195 U CN2009202742195 U CN 2009202742195U CN 200920274219 U CN200920274219 U CN 200920274219U CN 201562622 U CN201562622 U CN 201562622U
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- Prior art keywords
- breaker
- assembly
- earthed switch
- circuit breaker
- circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 239000011553 magnetic fluid Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an inflatable high-voltage switchgear vacuum circuit-breaker, which includes a spring-operated mechanism, a vacuum arc-extinguishing chamber, a solid sealed pole and a ground switch, wherein the vacuum arc-extinguishing chamber is contained in the solid sealed pole, the movable terminal of the vacuum arc-extinguishing chamber is electrically connected to the ground switch; the main drive shaft and ground switch operation shaft of the spring-operated mechanism is respectively linked to the solid sealed pole vacuum arc-extinguishing chamber and ground switch through a rotary type magnetofluid dynamic seal component. The utility model is configured with a solid sealed pole packaging vacuum arc-extinguishing chamber and a ground switch is added below the vacuum circuit-breaker, the spring-operated mechanism and the ground switch operation shaft and various latches and the like functional units to constitute an entire vacuum circuit-breaker operating mechanism box, further the spring-operated mechanism adopts a rotary type magnetofluid dynamic seal component to achieve the linkage of the ground switch and solid sealed pole, the entire vacuum circuit-breaker has simple constitution structure, long service life and higher and more reliable electric mechanical properties.
Description
[technical field]
The utility model relates to a kind of high voltage switchgear master unit, refers in particular to a kind of vacuum circuit-breaker that is used for the gas-filled type high voltage switchgear.
[background technology]
In high voltage electrical apparatus technical field, AC high voltage vacuum breaker is the most frequently used a kind of three-phase alternating current indoor high-voltage vacuum switchgear.High-pressure aerated formula switchgear since have its high reliability, non-maintaining, the life-span is long, volume advantages such as little (floor spaces should accomplish ordinary tap equipment 1/2nd).The nineties begins to rise in the world, existing all extensive uses of all trades and professions.But the capacity of former gas-filled type switchgear is all very little, is generally specified drop-out current 20KA, and rated current is 630A.Little current vacuum circuit breaker does not possess the function of reclosing yet, thereby is difficult to satisfy the demand of large-capacity user.The mode of operation of existing big its vacuum circuit-breaker of capacity gas-filled type switchgear now is the Direct Action Type operation, and operating mechanism ubiquity volume is big, and the amount of parts of mechanism own is many, and integral layout is more in disorder, and breaker mechanic property is difficult to defectives such as assurance.Simultaneously operating mechanism and vacuum interrupter be connected that the bellows that is by three welding connects because quality of bellows own and welding quality, the charging compartment sealing property also is difficult to assurance.The fixed installation of vacuum interrupter is fixed in the air chamber by an insulation booth and other parts after in bulk again, in order to satisfy its insulating requirements, its overall dimensions can't be done forr a short time, thereby the overall dimensions of gas-filled type switchgear also can't dwindle, and miniaturization has little significance.Society that is brought and economic benefit shortcoming.Existing products does not have anti mis-closedown function mostly, let alone the mutual function of throwing mutual locking of duplicate supply, thereby user's use and dangerous and convenient.
[summary of the invention]
The purpose of this utility model is to have overcome above-mentioned defective, provide a kind of each parts to form by the modular functionality unit, simple in structure, amount of parts is few, has that Installation and Debugging are convenient, a gas-filled type high voltage switchgear vacuum circuit-breaker of the higher characteristics such as more reliable of long service life and electricapparatus performance.
The purpose of this utility model is achieved in that a kind of gas-filled type high voltage switchgear vacuum circuit-breaker, it comprises spring operating mechanism and vacuum interrupter, its improvements are: it also comprises pole and earthed switch, be equipped with vacuum interrupter in pole, the moved end and the earthed switch of vacuum interrupter are electrically connected; The final drive shaft of described spring operating mechanism and earthed switch operating axis are respectively by a rotary magnetic fluid dynamic sealing assembly link respectively pole vacuum interrupter and earthed switch;
Described spring operating mechanism mainly is made up of ten functional units such as electric motor assembly, worm and gear assembly, dropout axle assembly, the sincere sub-component of separating brake, combined floodgate energy-stored spring assembly, combined floodgate retainer shaft assembly, energy storage shaft assembly, output shaft assembly, transition axis assembly, final drive shaft assemblies;
Described final drive shaft is fixed by bearing pedestal, final drive shaft connects the magnetic fluid dynamic sealing assembly, the other end of magnetic fluid dynamic sealing assembly links to each other by the operation pull bar that power transmission shaft and can move both vertically, pull bar links to each other with the main shaft connecting lever by a universal joint bearing, is fixed with the moved end insulated tension pole of pole vacuum interrupter on the main shaft;
Described vacuum circuit-breaker also includes earthed switch and circuit breaker closing lock set, circuit breaker and earthed switch locking assembly, earthed switch and Xiamen locking assembly, circuit breaker and Xiamen locking assembly, tri-station isolating switch and circuit breaker closing lock set and double-cricuit supply locking assembly;
Described circuit breaker and earthed switch locking assembly comprise a little connecting lever that is arranged at the final drive shaft front end, and link by linking to each other with the junction panel fanning strip of junction panel of little connecting lever rotates, and described fanning strip rotation path is positioned at the action bars front end of earthed switch;
Described earthed switch and Xiamen locking assembly comprise that being installed in earthed switch action bars front end can be provided with the locking assembly that can pin and have from the Xiamen of reset function in the mechanism case bottom with a cam of its rotation under the cam suppressing action;
The locking assembly of described another Xiamen also with circuit breaker and Xiamen locking assembly in connecting lever link, this connecting lever is arranged on the final drive shaft; Locking assembly is arranged at the mechanism case bottom equally;
Described station isolating switch and circuit breaker closing lock set include can be under the tri-station isolating switch pressing plate function up and down latch plate, are provided with the depression of being withstood by latch plate corresponding to the sincere son of the combined floodgate of spring operating mechanism.
Than common high voltage switchgear vacuum circuit-breaker, the beneficial effects of the utility model are to have disposed pole encapsulated vacuum arc control device, and increased an earthed switch in the bottom of vacuum circuit-breaker, spring operating mechanism and earthed switch operating axis, earthed switch and circuit breaker closing lock set, circuit breaker and earthed switch locking assembly, earthed switch and Xiamen locking assembly, circuit breaker and Xiamen locking assembly, tri-station isolating switch and circuit breaker closing lock set, the double-cricuit supply locking assembly, the circuit breaker final drive shaft, functional units such as breaker control circuit constitute whole vacuum circuit breaker operating mechanism case, further spring operating mechanism has adopted rotary magnetic fluid dynamic sealing assembly to finish to the interlock of earthed switch and pole, and whole vacuum circuit-breaker constitutes simple in structure, long service life and electricapparatus performance are higher more reliable.
[description of drawings]
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 removes internal structure schematic diagram behind the mounting panel of operating mechanism right side for the utility model
Fig. 2 is a rearview of the present utility model
Fig. 3 removes mechanism case and the right right side end view of installing after the version 1 for the utility model
Fig. 4 removes mechanism case and the right right side end view of installing after the version 2 for the utility model
Fig. 5 is a cutaway view 1 of the present utility model
Fig. 6 is a cutaway view 2 of the present utility model
[embodiment]
Below in conjunction with accompanying drawing the utility model specific embodiment is described in detail.
Shown in Fig. 1-6, the utility model relate to a kind of it comprise the spring operating mechanism that is installed in the operating mechanism case 1, pole 31 and earthed switch 28, described spring operating mechanism is by electric motor assembly 45, worm and gear assembly 46, dropout axle assembly 97, the sincere sub-component 47 of separating brake, combined floodgate energy-stored spring assembly 7, combined floodgate retainer shaft assembly 49, energy storage shaft assembly 48, output shaft assembly 65, transition axis assembly 62, ten functional units such as final drive shaft assembly 57 grades are formed, and wherein electric motor assembly 45, worm gear, endless screw system 46, combined floodgate retainer shaft 49, energy storage axle 48, transition axis 62, output shaft 65, the sincere son axle 47 of separating brake, eight functional units such as dropout semiaxis 97 grades all are fixed on two mounting panels of mechanism itself.Final drive shaft becomes 90 ° of directions to fix with mechanism, one end is fixed on the main driving shaft bearing seat 53 of mechanism two mounting plate front lower places, the other end is fixed on the mechanism case base plate by axle sleeve 84 in the middle of the final drive shaft, and docks with magnetic fluid dynamic sealing assembly 1-shaped open.The magnetic fluid movable sealing links to each other with the preceding dividing plate of charging compartment by the bolt of 6 M8, and the other end links to each other with the power transmission shaft 59 of air chamber inner breaker.Connect a breaker operator pull bar 61 that moves both vertically on the air chamber intermediate solid drive shaft, pull bar links to each other with circuit breaker main shaft connecting lever 88 by a gimbal suspension bearing 64, have three transmission crank arm that fix to link to each other with circuit breaker three phase isolated pull bar 89 on the circuit breaker main shaft, insulated tension pole passes a conduction and 91 is connected with interior vacuum interrupter 92 moved ends of circuit breaker pole with being flexible coupling.Thereby the main transmission section of forming circuit breaker.
The ccontaining vacuum interrupter 92 that is equipped with in the described pole 31, the moved end of vacuum interrupter 92 and earthed switch 28 are electrically connected; The final drive shaft 57 of described spring operating mechanism and earthed switch operating axis 37 are respectively by a rotary magnetic fluid dynamic sealing assembly 42,58 link respectively pole 31 vacuum interrupters 92 and earthed switch 28.Earthed switch operating axis 37 is loaded in the mechanism case together with circuit breaker operation mechanism 4, and the operation of earthed switch is finished by a manual operating handle, operating handle clockwise direction Rotate 180 degree, and earthed switch closes a floodgate.Counter clockwise direction Rotate 180 degree, the earthed switch separating brake.
Described circuit breaker and earthed switch locking assembly, operating mechanism final drive shaft front end has a little connecting lever 17, connecting lever is done the motion of about 40 degree with final drive shaft and is linked to each other with a junction panel 12, junction panel side-to-side movement under the drive of little connecting lever, junction panel links to each other with a fanning strip 11 on being fixed in mechanism case, drives fanning strip during the junction panel side-to-side movement and rotates.During breaker closing, fanning strip blocks the front end of earthed switch action bars 37, and the earthed switch operating grip can't insert, and earthed switch can not be operated.Otherwise during breaker open operation, fanning strip gets out of the way, and the earthed switch operating grip can insert, and earthed switch 28 can be operated.Earthed switch and circuit breaker closing lock set, by the mechanism case bottom one cam 40 is installed on the earthed switch action bars, cam is done the rotation of 180 degree with action bars 37, when earthed switch closes a floodgate, cam 40 upwards jack-up earthed switch locking flap 8 rotates, the other end of latch plate links to each other with circuit breaker operation mechanism earthed switch locking assembly 63 by an extension spring, spurs locking assembly during the latch plate action and withstands operating mechanism combined floodgate flap 75, and circuit breaker is electronic, manually all can not close a floodgate.Otherwise earthed switch separating brake lock release, circuit breaker can close a floodgate.Thereby prevented charged hanging earthing conductor effectively and prevented switching on earth wire.
Described earthed switch and Xiamen locking assembly, earthed switch action bars front end is equipped with a cam 36, cam 36 is done the rotation of 180 degree with action bars 37, during the earthed switch separating brake, cam 36 withstands earthed switch Xiamen locking assembly 13 downwards, Xiamen locking assembly 13 is down pushed down, and the locking lever lock is door down, and the Xiamen can not be opened.Xiamen locking assembly 13 is a runback hyte part, otherwise after earthed switch closed a floodgate, locking assembly automatically reset, and removed the Xiamen locking, and the Xiamen can be opened.Circuit breaker and Xiamen locking assembly.The circuit breaker final drive shaft is provided with a connecting lever 18, do the rotation of 40 degree with main shaft, breaker closing connecting lever 18 rotates counterclockwise depresses circuit breaker Xiamen locking assembly 19, the Xiamen can't be opened by locking, circuit breaker Xiamen locking assembly 19 is for being similarly a runback hyte part, during breaker open operation, locking assembly resets, and the Xiamen can be opened.The Xiamen locking is dual locking, and circuit breaker and earthed switch locking separately also can carry out locking simultaneously.Thereby prevented mistakenly entering charged chamber reliably.
Described tri-station isolating switch and circuit breaker closing lock set.Tri-station isolating switch has designed a pressing plate, when three-station during at on-position, intermediate isolating position, earthing position, pressing plate resets, tri-station isolating switch and circuit breaker closing lock set 35 also automatically reset, circuit breaker can divide, closing operation, and pressing plate is depressed when three-station is in other position, and pressing plate is depressed locking assembly 35 simultaneously, latch plate 34 top is sincere sub 80 toward the combined floodgate of circuit breaker operation mechanism in the locking assembly, and circuit breaker can not close a floodgate.Manually pull out simultaneously plate in the three-station and draw and be equipped with the sub-gate circuit that an electric auxiliary contact parallel connection is serially connected with circuit breaker operation mechanism, it is moving manually to pull out plate one, and circuit breaker is separating brake immediately.Circuit breaker operation mechanism has an auxiliary contact to be serially connected with control loop in the three-station, have only when circuit breaker during at separating brake, tri-station isolating switch ability electric operating, thereby, reached and prevented that on-load from closing the anti-error function that isolating switch and on-load branch are kept apart the pass by machinery and electric associating locking.
Described double-cricuit supply locking assembly, the utility model has been considered when 2 vacuum open circuit and has been installed side by side, throw the blocking function of switch time spent mutually as duplicate supply, the rear portion of circuit breaker operation mechanism final drive shaft is provided with the connecting lever 16 of a symmetry, do the rotation of about 40 degree with main shaft, when circuit breaker is installed on the left side, there is a locking connecting plate 10 to link to each other with the top of connecting lever 16, stretch out from the right plate of mechanism case, fix a rotating locking flap 9 on the mechanism case right plate, locking connecting plate 10 left sides, drive locking flap 9 during right motion and rotate, the other end of locking flap links to each other with the deadlock lever 27 of the double loop locking assembly of another circuit breaker.The locking flap passes through lever principle when rotating, drive the left and right motion of deadlock lever, the other end of deadlock lever stretches in mechanism's mounting panel of another circuit breaker operation mechanism from a left side, when the breaker closing of the left side, deadlock lever moves right, block the Breech block 81 on the combined floodgate retainer shaft, the right circuit breaker can not be closed a floodgate by locking.When circuit breaker is installed on the right, there is a locking connecting plate 22 to link to each other with the bottom of connecting lever, stretch out from the left plate of mechanism case, the left plate of mechanism case is installed a locking flap 26, other structure is identical with left side circuit breaker, the direction of motion is opposite, the right is during breaker closing, and left side circuit breaker can not be closed a floodgate by locking.Two circuit breaker lockings have each other realized the standby each other blocking function of duplicate supply.
It is to be noted; the utility model is not limited to above-mentioned execution mode; any simple modification, equivalent variations and modification that any those skilled in the art do the foregoing description in based on technical solutions of the utility model all belong in the protection range of the present utility model.
Claims (8)
1. gas-filled type high voltage switchgear vacuum circuit-breaker, it comprises spring operating mechanism and vacuum interrupter, it is characterized in that: it also comprises pole and earthed switch, the ccontaining vacuum interrupter that is equipped with in pole, and the moved end and the earthed switch of vacuum interrupter are electrically connected; The final drive shaft of described spring operating mechanism and earthed switch operating axis are respectively by a rotary magnetic fluid dynamic sealing assembly link respectively pole vacuum interrupter and earthed switch.
2. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 1 is characterized in that: described spring operating mechanism mainly is made up of ten functional units such as electric motor assembly, worm and gear assembly, dropout axle assembly, the sincere sub-component of separating brake, combined floodgate energy-stored spring assembly, combined floodgate retainer shaft assembly, energy storage shaft assembly, output shaft assembly, transition axis assembly, final drive shaft assemblies.
3. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 1 or 2, it is characterized in that: described final drive shaft is fixed by bearing pedestal, final drive shaft connects the magnetic fluid dynamic sealing assembly, the other end of magnetic fluid dynamic sealing assembly links to each other by the operation pull bar that power transmission shaft and can move both vertically, pull bar links to each other with the main shaft connecting lever by a universal joint bearing, is fixed with the moved end insulated tension pole of pole vacuum interrupter on the main shaft.
4. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 1 or 2 is characterized in that: described vacuum circuit-breaker also includes earthed switch and circuit breaker closing lock set, circuit breaker and earthed switch locking assembly, earthed switch and Xiamen locking assembly, circuit breaker and Xiamen locking assembly, tri-station isolating switch and circuit breaker closing lock set and double-cricuit supply locking assembly.
5. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 4, it is characterized in that: described circuit breaker and earthed switch locking assembly comprise a little connecting lever that is arranged at the final drive shaft front end, link by linking to each other with the junction panel fanning strip of junction panel of little connecting lever rotates, and described fanning strip rotation path is positioned at the action bars front end of earthed switch.
6. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 4, it is characterized in that: described earthed switch and Xiamen locking assembly comprise that being installed in earthed switch action bars front end can be provided with the locking assembly that can pin and have from the Xiamen of reset function with a cam of its rotation in the Xiamen under the cam suppressing action.
7. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 4 is characterized in that: the connecting lever in described circuit breaker and Xiamen locking assembly and circuit breaker, the Xiamen locking assembly links, and this connecting lever is arranged on the final drive shaft.
8. gas-filled type high voltage switchgear vacuum circuit-breaker as claimed in claim 4, it is characterized in that: described station isolating switch and circuit breaker closing lock set include can be under the tri-station isolating switch pressing plate function up and down latch plate, and the corresponding sincere son of the combined floodgate in spring operating mechanism is provided with the depression of the solid latch plate in top.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202742195U CN201562622U (en) | 2009-12-01 | 2009-12-01 | Inflatable high-voltage switchgear vacuum circuit-breaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202742195U CN201562622U (en) | 2009-12-01 | 2009-12-01 | Inflatable high-voltage switchgear vacuum circuit-breaker |
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CN201562622U true CN201562622U (en) | 2010-08-25 |
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CN2009202742195U Expired - Lifetime CN201562622U (en) | 2009-12-01 | 2009-12-01 | Inflatable high-voltage switchgear vacuum circuit-breaker |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102543548A (en) * | 2012-02-08 | 2012-07-04 | 林春昭 | High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
CN105047471A (en) * | 2015-06-15 | 2015-11-11 | 连际高新电气(上海)有限公司 | Integrated vacuum breaker |
CN106786115A (en) * | 2017-02-05 | 2017-05-31 | 常州太平洋电力设备(集团)有限公司 | Solid insulation switch cabinet structure |
CN109285725A (en) * | 2018-11-09 | 2019-01-29 | 国网浙江淳安县供电有限公司 | A kind of 35kV and following high pressure vacuum broken circuit protecting equipment |
-
2009
- 2009-12-01 CN CN2009202742195U patent/CN201562622U/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102543548A (en) * | 2012-02-08 | 2012-07-04 | 林春昭 | High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
CN102543548B (en) * | 2012-02-08 | 2014-07-02 | 林春昭 | High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
CN105047471A (en) * | 2015-06-15 | 2015-11-11 | 连际高新电气(上海)有限公司 | Integrated vacuum breaker |
CN106786115A (en) * | 2017-02-05 | 2017-05-31 | 常州太平洋电力设备(集团)有限公司 | Solid insulation switch cabinet structure |
CN109285725A (en) * | 2018-11-09 | 2019-01-29 | 国网浙江淳安县供电有限公司 | A kind of 35kV and following high pressure vacuum broken circuit protecting equipment |
CN109285725B (en) * | 2018-11-09 | 2024-03-22 | 国网浙江淳安县供电有限公司 | 35kV and below high-voltage vacuum circuit breaking protection device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 518000, Guangdong, Shenzhen Nanshan District Prince Road Seaview Plaza, three floor, E (-4) Patentee after: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) CO., LTD. Address before: 518000, Guangdong, Shenzhen Nanshan District Prince Road Seaview Plaza, three floor, E (-4) Patentee before: Asia Electrical Power Equipment (Shenzhen) Co., Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20100825 |