CN206742737U - A kind of environmentally friendly gas insulation switch cabinet - Google Patents
A kind of environmentally friendly gas insulation switch cabinet Download PDFInfo
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- CN206742737U CN206742737U CN201720352598.XU CN201720352598U CN206742737U CN 206742737 U CN206742737 U CN 206742737U CN 201720352598 U CN201720352598 U CN 201720352598U CN 206742737 U CN206742737 U CN 206742737U
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- insulation
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Abstract
The utility model discloses a kind of environmentally friendly gas insulation switch cabinet, including cabinet, closed gas tank is provided with the cabinet, dry air is filled with the gas tank, the isolation switch device and vacuum breaker device of interconnection are provided with the gas tank, the lower end of the gas tank is provided with cable sleeve, Installation cabinet is provided with by the gas tank, isolating switch mechanism is provided with the Installation cabinet, breaker mechanism and cable vault, the isolating switch mechanism is connected with isolation switch device, the breaker mechanism is connected with vacuum breaker device, the cable vault is located at the lower section of the gas tank and is connected with isolation switch device；The vacuum breaker device of major loop is entirely sealed in closed gas tank with isolation switch device, is reduced the volume of switch cubicle, is made electrical body no longer exposed, is no longer influenceed by the erosion of air, dust, improve the life-span；Institute's qi of chong channel ascending adversely body is dry air in gas tank, does not have any pollution, environmentally-friendly sanitary to environment.
Description
Technical field
It the utility model is related to grid equipment field, more particularly to a kind of environmentally friendly gas insulation switch cabinet.
Background technology
SF6 gas insulation switch cabinets are gradually as reliable, economy Medium Voltage Switchgear quilt in worldwide at present
Accept extensively, high pressure original paper such as breaker, disconnecting switch, earthed switch, high voltage bus are sealed in welding gas tank body, filled
Dielectric is used as using SF6 gases.But SF6 gases are a kind of potential greenhouse gases, signed in 1997《Assist in capital of a country
View》SF6 gases are set to one of gas of 6 kinds of limiting emissions in book, therefore reduced in power system, limited and even forbid
The use of SF6 gases is the inexorable trend of power system development, in the development of new situations, necessarily drives its research and development towards without SF6
Or the other environmentally friendly gas insulation switch cabinets of exploitation substitute.
In 10kV network distribution systems, it is mutual that domestic switch cabinet equipment mainly includes vacuum circuit breaker, disconnecting switch, electric current
Electrical equipment, the majorities such as sensor, voltage transformer and boundary controller use air insulation, and cabinet molded dimension is all bigger, and
Electrical body is exposed, is corroded by air, dust, easily causes the corrosion of electrical body, reduces the class of insulation, short life, to equipment
Operation has larger hidden danger.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of simple in construction, connection and reasonable arrangement, volume
Environmentally friendly gas insulation switch cabinet small, using environmentally friendly gas all insulation.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of environmentally friendly gas insulation switch cabinet, including cabinet, are provided with closed gas tank in the cabinet, in the gas tank
Dry air is filled with, the isolation switch device and vacuum breaker device of interconnection, the gas are provided with the gas tank
The lower end of case is provided with cable sleeve, and Installation cabinet is provided with by the gas tank, be provided with the Installation cabinet isolating switch mechanism,
Breaker mechanism and cable vault, the isolating switch mechanism are connected with isolation switch device, and the breaker mechanism breaks with vacuum
Road device device connection, the cable vault is located at the lower section of the gas tank and is connected with isolation switch device.
As the further improvement of such scheme, the vacuum breaker device is arranged on the upper end of gas tank, the vacuum
Release unit includes installing plate and cleat insulator, and the cleat insulator is provided with two pieces and parallel is fixed on the installing plate
On, two pieces of cleat insulators are fixed on the cover plate of gas tank, and the installing plate restocking is provided with an insulation rotating shaft, two pieces of cleat insulators it
Between be fixed with three identical arc-chutes, the static side of arc-chutes is connected with upper contact head, and the moved end of the arc-chutes is respectively connected with one
Direct acting bar, it is arranged on the direct acting bar and is fixed with a soft busbar, the insulation rotating shaft is connected by link gear with direct acting bar
And direct acting bar is driven to move up and down.
As the further improvement of such scheme, vacuum supporting plate and contact holder are fixed between two pieces of cleat insulators,
The arc-chutes are fixed between vacuum supporting plate and contact holder, and the vacuum supporting plate and contact holder are respectively sleeved at
The moved end of arc-chutes and static side, the arc-chutes coat be enclosed with insulating cement outside.
As the further improvement of such scheme, uniform raised line is provided with the outer surface of the cleat insulator, it is described
The edge of cleat insulator is provided with irregular breach, is arranged with some first single cluster parachutes in the insulation rotating shaft, described first is single
Cluster parachute is arranged between link gear.
As the further improvement of such scheme, the triangle polyester fibre frame to play a supportive role is arranged with the insulation rotating shaft,
Two legs of the triangle polyester fibre frame are separately fixed on two cleat insulators, and the link gear includes being set in insulation turn
On axle and the cam that rotates in same direction, hollow guide groove is provided with the cam, being equipped with the hollow guide groove can lead along hollow
The guide block that groove slides, the guide block are fixedly connected with the upper end of direct acting bar.
As the further improvement of such scheme, the upper end of the direct acting bar is equipped with spring base, bullet successively from the bottom to top
Spring and spring early warning lid, the upper and lower side of the spring is separately fixed at spring base and spring early warning covers, the spring early warning lid
On be fixed with a connecting shaft, the connecting shaft sequentially passes through guide block, spring early warning lid and direct acting bar and connects three from outside to inside
Connect.
As the further improvement of such scheme, the isolation switch device is arranged under the vacuum breaker device
End, the isolation switch device include front and rear panels, and lower end of the front and rear panels respectively with two pieces of cleat insulators is connected
And foreboard is fixed on the cover plate of gas tank, connected between the front and rear panels by isolating ground connection beam, the isolation ground connection beam
On be fixed with ground connection knife assembly, being set up between the front and rear panels has an isolation drive shaft and an isolation major insulation bar, institute
State isolation drive shaft and be connected to three moving contact pieces by three groups of rotating mechanisms, the moving contact piece be respectively connected with one every
From static contact, each static contact of isolating is fixedly connected with isolating major insulation bar.
As the further improvement of such scheme, fixed cover is provided with some single cluster parachutes on the isolation drive shaft, described
Single cluster parachute is arranged between rotating mechanism.
As the further improvement of such scheme, the ground connection knife assembly includes the ground connection blade row being fixed on ground connection beam,
Three grounding contacts are fixed with the ground connection blade row, the grounding contact is T-shaped contact.
As the further improvement of such scheme, stating rotating mechanism includes being arranged the connection being fixed on isolation drive shaft
Ring, the moving contact contiguous block being fixed on moving contact piece, the connection ring and moving contact contiguous block pass through be hinged insulation rotating shaft
Arm connects.
The beneficial effects of the utility model：
A kind of environmentally friendly gas insulation switch cabinet of the utility model, the vacuum breaker device and disconnecting switch of a major loop
Device is entirely sealed in closed gas tank, reduces the volume of switch cubicle, makes electrical body no longer exposed, no longer by air, ash
The influence of the erosion of dirt, improves the life-span；Vacuum breaker device and isolation switch device do not have any epoxy resin with it is compound
Insulation, improves equipment operation function, improves margin of safety；Institute's qi of chong channel ascending adversely body is dry air in gas tank, and environment is not appointed
What pollutes, environmentally-friendly sanitary.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain according to these accompanying drawings
Other designs and accompanying drawing：
Fig. 1 is the utility model preferred embodiment front view；
Fig. 2 is the utility model preferred embodiment right view；
Fig. 3 is the structural representation of the utility model preferred embodiment vacuum breaker device；
Fig. 4 is the right view of the utility model preferred embodiment vacuum breaker device；
Fig. 5 is the structural representation of the utility model preferred embodiment isolation switch device；
Fig. 6 is the right view of the utility model preferred embodiment isolation switch device.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.
Referring to figs. 1 to Fig. 6, a kind of environmentally friendly gas insulation switch cabinet, including cabinet 8, it is provided with the cabinet 8 closed
Gas tank 3, dry air is filled with the gas tank 3, carry out insulated enclosure using air, environment is not polluted, closer to ring
Safeguard scholar.The isolation switch device 2 and vacuum breaker device 1 of interconnection are provided with the gas tank 3, the gas tank 3
Lower end is provided with cable sleeve, and Installation cabinet 7 is provided with by the gas tank 3, be provided with the Installation cabinet 7 isolating switch mechanism 5,
Breaker mechanism 4 and cable vault 6, the isolating switch mechanism 5 are connected with isolation switch device 2, the breaker mechanism 4 with it is true
Empty release unit 1 connects, and the cable vault 6 is located at the lower section of the gas tank 3 and is connected with isolation switch device 2, the peace
The front portion of dress cabinet 7 is provided with instrument box, and for instrument box built with boundary controller, the lower end of gas tank 3 is provided with the cable sleeve of large distance,
The upper end of gas tank 3 can any-mode setting outlet casing tube, extension sleeve pipe and cabling on cable rack sleeve pipe.
Vacuum breaker device 1 is entirely sealed in closed gas tank 3 with isolation switch device 2, reduces whole cabinet 8
Volume, make electrical body no longer exposed, no longer influenceed by the erosion of air, dust, improve the life-span.Vacuum breaker device
1 does not have any epoxy resin and compound inslation with isolation switch device 2, improves equipment operation function, improves margin of safety.
The vacuum breaker device 1 is arranged on the upper end of gas tank 3, and the vacuum breaker device 1 includes installing plate 101
With cleat insulator 102, the cleat insulator 102 be provided with two pieces and it is parallel be fixed on the installing plate 101, two pieces of insulating blanked clampers
Plate 102 is fixed on the cover plate of gas tank 3, and the restocking of installing plate 101 is provided with an insulation rotating shaft 103, two pieces of cleat insulators 102 it
Between be fixed with three identical arc-chutes 104, the static sides of arc-chutes 104 is connected with upper contact head 117, the arc-chutes 104 it is dynamic
End is respectively connected with lever 105 always, is arranged on the direct acting bar 105 and is fixed with a soft busbar 106, the insulation rotating shaft 103
It is connected by link gear with direct acting bar 105 and drives direct acting bar 105 to move up and down.
Uniform raised line 107 is provided with the outer surface of the cleat insulator 102, the edge of the cleat insulator 102 is set
Irregular breach is equipped with, is arranged with some first single cluster parachutes 118 in the insulation rotating shaft 103, first single cluster parachute 118 is set
Between link gear.The asymmetric insulation system such as raised line 107 and breach, the performance of insulation, support and increase creep distance is played, this
The design of a little asymmetric insulation boards, makes the insulating properties of cleat insulator 102 under unit area stronger.The first single cluster parachute set
118 equally increase the creep distance between arc-chutes, serve insulating effect.Vacuum support is fixed between two pieces of cleat insulators 102
Plate 115 and contact holder 116, the arc-chutes 104 are fixed between vacuum supporting plate 115 and contact holder 116, and described
Vacuum supporting plate 115 and contact holder 116 are respectively sleeved at moved end and the static side of arc-chutes 104, are coated outside the arc-chutes 104
It is enclosed with insulating cement increase creep distance.
The triangle polyester fibre frame 108 to play a supportive role is arranged with the insulation rotating shaft 103, the triangle polyester fibre frame 108
Two legs are separately fixed on two cleat insulators 102, and the link gear is in insulation rotating shaft 103 and in the same direction including being set in
The cam 109 of rotation, hollow guide groove is provided with the cam 109, being equipped with the hollow guide groove can slide along hollow guide groove
Dynamic guide block 110, the guide block 110 are fixedly connected with the upper end of direct acting bar 105.
The upper end of the direct acting bar 105 is equipped with spring base 111, spring 112 and spring early warning lid successively from the bottom to top
113, the upper and lower side of the spring 112 is separately fixed on spring base 111 and spring early warning lid 113, the spring early warning lid 113
On be fixed with a connecting shaft 114, the connecting shaft 114 sequentially passes through guide block 110, spring early warning lid 113 and direct acting from outside to inside
Bar 105 simultaneously connects three, is driven using spring 112, can play cushioning effect, avoids the unexpected startup of direct acting bar 105,
Extend service life.
Rotating shaft 103 of being insulated during work rotates, and band moving cam 109 rotates, and drives guide block 110 along hollow guide groove movement so that
Guide block 110 moves up and down, so as to drive the spring early warning lid 113 connected by spindle 114 repeatedly to move.Spring early warning lid 113
Spring 112 is driven to act when being stretched or compressing, so as to drive direct acting bar 105 to move up and down.Insulate rotating shaft 103 and arc-chutes
104 designs connected by link gear so that the rotation of insulation rotating shaft 103 is with regard to that can control arc-chutes 104 to act, link gear
Only moved in upper-lower position, greatly reduce the volume of breaker, improve equipment operation function.
The isolation switch device 2 is arranged on the lower end of the vacuum breaker device 1, and the isolation switch device 2 wraps
Include foreboard 201 and back plate 202, the foreboard 201 and back plate 202 is connected respectively with the lower end of two pieces of cleat insulators 102 and foreboard
201 are fixed on the cover plate of gas tank 3, are connected between the foreboard 201 and back plate 202 by isolating ground connection beam 203, the isolation
Ground connection knife assembly is fixed with ground connection beam 203, being set up between the foreboard 201 and back plate 202 has the He of an isolation drive shaft 204
One isolation major insulation bar 205, the isolation drive shaft 204 are connected to three moving contact pieces by three groups of rotating mechanisms
206, the moving contact piece 206 is respectively connected with an isolation static contact 207.
The rotating mechanism includes being arranged the connection ring 211 being fixed on isolation drive shaft 204, is fixed on moving contact piece
Moving contact contiguous block 212 on 206, the connection ring 211 and moving contact contiguous block 212 pass through be hinged insulation rotating shaft arm 213
Connection.Isolation drive shaft 204 rotates, and drives connection ring 211 to rotate so that be hinged insulation rotating shaft arm 213 rotates, and drives dynamic
Contact blade 206 rotates, and realizes action of the moving contact piece 206 in " splitting or integrating and ground connection " three positions, and connector is few, transmission
Simply, convenient maintenance, the structure of design occupy little space, and reduce volume.
The moving contact piece 206 and isolation static contact 207 are fixed by plastic fastener 9, and the plastic fastener 9 is modeling
Expect studs, each static contact 207 of isolating is fixedly connected with isolating major insulation bar 205, and plastics studs improves absolutely
Edge performance, there is provided multiple link positions, facilitate moving contact piece 206 and be connected with the installation of isolating switch mechanism.
Fixed cover is provided with some single cluster parachutes 208 on the isolation drive shaft 204, and single cluster parachute 208 is arranged on rotation
Between mechanism, the requirement that single cluster parachute 208 meets the large distance of isolation switch device 2 improves insulating properties.
The ground connection knife assembly includes the ground connection blade row 209 being fixed on ground connection beam, is fixed with the ground connection blade row 209
Three grounding contacts 210, the grounding contact 210 are T-shaped contact, and T-shaped contact facilitates ground connection blade row 209 and keeps apart shutdown
The connection of structure.
Structure arrangement in whole cabinet is compact, rationally distributed, has reached the requirement for reducing volume, moreover it is possible to ensure switch cubicle
Insulating properties, use environmentally-friendly sanitary, be worthy to be popularized.
Above is preferred embodiment of the present utility model is illustrated, but the utility model is created and is not limited to
The embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit
With modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of environmentally friendly gas insulation switch cabinet, including cabinet（8）, it is characterised in that：The cabinet（8）Inside it is provided with closed
Gas tank（3）, the gas tank（3）Inside it is filled with dry air, the gas tank（3）Inside it is provided with the isolation switch device of interconnection
（2）With vacuum breaker device（1）, the gas tank（3）Lower end be provided with cable sleeve, the gas tank（3）Side is provided with peace
Fill cabinet（7）, the Installation cabinet（7）Inside it is provided with isolating switch mechanism（5）, breaker mechanism（4）And cable vault（6）, it is described every
Leave shutting mechanism（5）With isolation switch device（2）Connection, the breaker mechanism（4）With vacuum breaker device（1）Connection,
The cable vault（6）Positioned at the gas tank（3）Lower section and and isolation switch device（2）Connection.
2. environmentally friendly gas insulation switch cabinet according to claim 1, it is characterised in that：The vacuum breaker device（1）
It is arranged on gas tank（3）Upper end, the vacuum breaker device（1）Including installing plate（101）And cleat insulator（102）, it is described
Cleat insulator（102）It is provided with two pieces and parallel is fixed on the installing plate（101）On, two pieces of cleat insulators（102）It is fixed on
Gas tank（3）Cover plate on, the installing plate（101）Restocking is provided with an insulation rotating shaft（103）, two pieces of cleat insulators（102）Between
It is fixed with three identical arc-chutes（104）, arc-chutes（104）Static side be connected with upper contact head（117）, the arc-chutes
（104）Moved end be respectively connected with lever always（105）, the direct acting bar（105）On be arranged and be fixed with a soft busbar（106）,
The insulation rotating shaft（103）Pass through link gear and direct acting bar（105）Connection and drive direct acting bar（105）Move up and down.
3. environmentally friendly gas insulation switch cabinet according to claim 2, it is characterised in that：Two pieces of cleat insulators（102）Between
It is fixed with vacuum supporting plate（115）And contact holder（116）, the arc-chutes（104）It is fixed on vacuum supporting plate（115）And contact
Fixed mount（116）Between, and the vacuum supporting plate（115）And contact holder（116）It is respectively sleeved at arc-chutes（104）It is dynamic
End and static side, the arc-chutes（104）Outer coating is enclosed with insulating cement.
4. environmentally friendly gas insulation switch cabinet according to claim 2, it is characterised in that：The cleat insulator（102）It is outer
Uniform raised line is provided with surface（107）, the cleat insulator（102）Edge be provided with irregular breach, the insulation
Rotating shaft（103）On be arranged with some first single cluster parachutes（118）, first single cluster parachute（118）It is arranged between link gear.
5. environmentally friendly gas insulation switch cabinet according to claim 2, it is characterised in that：The insulation rotating shaft（103）Upper set
Provided with the triangle polyester fibre frame to play a supportive role（108）, the triangle polyester fibre frame（108）Two legs be separately fixed at two absolutely
Edge clamping plate（102）On, the link gear includes being set in insulation rotating shaft（103）Cam that is upper and rotating in same direction（109）, it is described
Cam（109）On be provided with hollow guide groove, be equipped with the hollow guide groove can along hollow guide groove slide guide block（110）, institute
State guide block（110）With direct acting bar（105）Upper end be fixedly connected.
6. environmentally friendly gas insulation switch cabinet according to claim 5, it is characterised in that：The direct acting bar（105）Upper end
It is equipped with spring base successively from the bottom to top（111）, spring（112）With spring early warning lid（113）, the spring（112）Up and down
End is separately fixed at spring base（111）With spring early warning lid（113）On, the spring early warning lid（113）On be fixed with a connection
Axle（114）, the connecting shaft（114）Guide block is sequentially passed through from outside to inside（110）, spring early warning lid（113）With direct acting bar（105）
And three is connected.
7. environmentally friendly gas insulation switch cabinet according to claim 2, it is characterised in that：The isolation switch device（2）If
Put in the vacuum breaker device（1）Lower end, the isolation switch device（2）Including foreboard（201）And back plate（202）,
The foreboard（201）And back plate（202）Respectively with two pieces of cleat insulators（102）Lower end connection and foreboard（201）It is fixed on gas
Case（3）Cover plate on, the foreboard（201）And back plate（202）Between pass through isolate ground connection beam（203）Connection, the isolation connect
Grade beam（203）On be fixed with ground connection knife assembly, the foreboard（201）And back plate（202）Between set up have an isolation drive shaft
（204）With an isolation major insulation bar（205）, the isolation drive shaft（204）Three are connected to by three groups of rotating mechanisms
Individual moving contact piece（206）, the moving contact piece（206）It is respectively connected with an isolation static contact（207）, each isolate static contact
（207）With isolating major insulation bar（205）It is fixedly connected.
8. environmentally friendly gas insulation switch cabinet according to claim 7, it is characterised in that：The isolation drive shaft（204）
Upper fixed cover is provided with some second single cluster parachutes（208）, second single cluster parachute（208）It is arranged between rotating mechanism.
9. environmentally friendly gas insulation switch cabinet according to claim 7, it is characterised in that：The ground connection knife assembly includes fixing
Ground connection blade row on ground connection beam（209）, the ground connection blade row（209）On be fixed with three grounding contacts（210）, the ground connection
Contact（210）For T-shaped contact.
10. environmentally friendly gas insulation switch cabinet according to claim 7, it is characterised in that：The rotating mechanism includes being arranged
It is fixed on isolation drive shaft（204）On connection ring（211）, it is fixed on moving contact piece（206）On moving contact contiguous block
（212）, the connection ring（211）With moving contact contiguous block（212）Pass through be hinged insulation rotating shaft arm（213）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352598.XU CN206742737U (en) | 2017-04-05 | 2017-04-05 | A kind of environmentally friendly gas insulation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352598.XU CN206742737U (en) | 2017-04-05 | 2017-04-05 | A kind of environmentally friendly gas insulation switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206742737U true CN206742737U (en) | 2017-12-12 |
Family
ID=60559398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720352598.XU Active CN206742737U (en) | 2017-04-05 | 2017-04-05 | A kind of environmentally friendly gas insulation switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206742737U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953264A (en) * | 2017-04-05 | 2017-07-14 | 珠海航天科创实业有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN109346375A (en) * | 2018-10-23 | 2019-02-15 | 深圳市英豪电力科技有限公司 | A kind of killer switch |
| CN115332006A (en) * | 2022-10-12 | 2022-11-11 | 南通弘峰机电有限公司 | Arc extinguishing device of direct current isolating switch in cabinet |
-
2017
- 2017-04-05 CN CN201720352598.XU patent/CN206742737U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953264A (en) * | 2017-04-05 | 2017-07-14 | 珠海航天科创实业有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN109346375A (en) * | 2018-10-23 | 2019-02-15 | 深圳市英豪电力科技有限公司 | A kind of killer switch |
| CN115332006A (en) * | 2022-10-12 | 2022-11-11 | 南通弘峰机电有限公司 | Arc extinguishing device of direct current isolating switch in cabinet |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519040 middle main building, 6 building, Jin Wan Street, Hongqi Town, Jin Wan District, Zhuhai, Guangdong. Patentee after: Spaceflight Yinshan Electric Co., Ltd. Address before: 519040 middle main building, 6 building, Jin Wan Street, Hongqi Town, Jin Wan District, Zhuhai, Guangdong. Patentee before: ZHUHAI AEROSPACE SCIENCE & TECHNOLOGY INNOVATION INDUSTRIAL CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |