CN110061439A - A kind of intelligent medium voltage switchgear - Google Patents
A kind of intelligent medium voltage switchgear Download PDFInfo
- Publication number
- CN110061439A CN110061439A CN201910484441.6A CN201910484441A CN110061439A CN 110061439 A CN110061439 A CN 110061439A CN 201910484441 A CN201910484441 A CN 201910484441A CN 110061439 A CN110061439 A CN 110061439A
- Authority
- CN
- China
- Prior art keywords
- chamber
- rotation
- fixedly installed
- belt
- shaft
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
Abstract
The present invention provides a kind of intelligent medium voltage switchgears, including cabinet body and it is set to the intracorporal rotation chamber of the cabinet, the forceful electric power chamber of opening to the right and the light current chamber above the forceful electric power chamber are provided on the left of the rotation chamber in end wall, is provided with belt chamber in end wall on the left of the forceful electric power chamber；Switchgear of the invention can easily realize the switch of cabinet door, while maintaining equipments are convenient, and equipment is additionally provided with pressure relief device, single cabinet body is avoided to cause peripheral equipment to damage when accident occurs.
Description
Technical field
The present invention relates to power domains, and in particular to a kind of intelligent medium voltage switchgear.
Background technique
For people when using medium-voltage equipment control is carried out, common switchgear leads to equipment installation maintenance since space is narrow
Inconvenience, while filter fan thermal was not provided in regular tap cabinet, cause dust in cabinet body larger, temperature is higher, influences to set
Standby performance, therefore a kind of intelligent medium voltage switchgear of urgent need solves the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of intelligent medium voltage switchgears, can overcome the drawbacks described above of the prior art,
Improve the practicability of equipment.
A kind of intelligent medium voltage switchgear of the invention, including cabinet body and it is set to the intracorporal rotation chamber of the cabinet, institute
It states and is provided with the forceful electric power chamber of opening to the right and the light current chamber above the forceful electric power chamber on the left of rotation chamber in end wall, it is described strong
Belt chamber is provided on the left of electric chamber in end wall, the forceful electric power is intracavitary to be provided with fixed plate, setting in end wall on the left of the fixed plate
There are the first threaded hole, the first threaded rod of the first threaded hole screw-internal thread fit connection, the first threaded rod left distal end
It protrudes into the first belt chamber and end is fixedly installed first pulley, fixed branch is fixedly installed on the fixed plate roof
Frame is provided with the external pressure release passage of connection in the forceful electric power top of chamber, is provided with fan in the end wall of the pressure release passage left side
Chamber is provided with and communicated with ventilation hole, is provided with and cuts in end wall on the left of the fan chamber between the fan chamber and the pressure release passage
Chamber is changed, rotation is provided with first rotating shaft, the first rotating shaft in the fan chamber between the switching chamber and the fan chamber
End is fixedly installed fan, and the intracavitary first rotating shaft end of the switching is fixedly installed first gear, the switching
It is provided with sliding cavity in end wall on the right side of chamber, drive cavity is provided in the sliding cavity bottom wall, is slidably set in the sliding cavity
It is equipped with sliding shoe, is fixedly installed the first motor in end wall on the left of the sliding shoe, first motor output shaft extends to the left
End is fixedly installed second gear, in the sliding shoe
It is provided with perforative second threaded hole up and down, the second threaded hole screw-internal thread fit is connected with the extended up and down
Two threaded rods, the second threaded rod top end connect with the second motor power being fixedly installed in the sliding cavity roof
It connects, the second threaded rod bottom end protrudes into the drive cavity and end is fixedly installed first bevel gear, the switching chamber
Rotation is provided with the second shaft, intracavitary second shaft end fixed setting of the switching between the first belt chamber
There is the third gear engaged with the second gear, intracavitary second shaft end of first belt is fixedly installed
Two belt wheels are driven by the first belt between second belt wheel and the first pulley and are cooperatively connected, and are opened in the cabinet body roof
Mouth sets up the chamber that gathers dust on the left of the fan chamber, and described gather dust intracavitary is provided with dismountable strainer, the receipts
Air-inlet cavity is provided with and communicated between dirt chamber and the fan chamber, the fan rotation is convenient to carry out fan heat to heavy current installation.
Preferably, it is provided with worm gear chamber in the wall of the rotation bottom of chamber, rotates and sets between the worm gear chamber and the rotation chamber
It is equipped with third shaft, the intracavitary third shaft end of the worm gear is fixedly installed worm gear, intracavitary described of the rotation
It is fixedly installed hermatic door outside third shaft, is provided in end wall positioned at the worm gear chamber and the transmission on rear side of the rotation chamber
The second belt chamber on rear side of chamber, rotation is provided with the snail engaged with the worm gear between the worm gear chamber and the second belt chamber
Bar, the intracavitary worm screw end of second belt are fixedly installed third belt wheel, the drive cavity and second belt
Rotation is provided with the 4th shaft between chamber, and the 4th shaft end in the drive cavity is fixedly installed and first cone
The second bevel gear of gear engagement, intracavitary the 4th shaft end of second belt are fixedly installed the 4th belt wheel, institute
It states to be driven between the 4th belt wheel and the third belt wheel by the second belt and be cooperatively connected, the worm screw drives worm gear rotation, thus
The third shaft is driven to rotate, so that the hermatic door rotation be driven to close or open.
Preferably, four groups of fixing seats being fixedly installed on the cabinet body roof at left and right sides of the pressure release passage,
Rotation is provided with the 5th shaft, bullet between the 5th shaft and the fixing seat end wall between former and later two described described fixing seats
Property be provided with torsional spring, the 5th shaft outer surface is fixedly installed the symmetrical cam in front and back, the cam and the cabinet body top
Valve deck, the valve deck and the pressure release passage end wall are provided between wall
Between be fixedly connected with symmetrical iron chains, when forceful electric power endoluminal occur deflagration accident when, airflow can lead to
It crosses the pressure release passage and moves up and the valve plate is jacked up into pressure release upwards.
The beneficial effects of the present invention are: switchgear of the invention can easily realize the switch of cabinet door, while equipment is pacified
Dress maintenance convenience, equipment are additionally provided with pressure relief device, single cabinet body are avoided to cause peripheral equipment to damage when accident occurs.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of overall structure diagram of intelligent medium voltage switchgear of the invention.
Fig. 2 is the enlarged structure schematic diagram of A in Fig. 1.
Fig. 3 is the structural schematic diagram of B-B in Fig. 1.
Fig. 4 is the enlarged structure schematic diagram of C in Fig. 1.
Fig. 5 be in Fig. 1 D to structural schematic diagram.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Below with reference to Fig. 1-5, the present invention is described in detail, wherein for sake of convenience, now to hereafter described orientation
Provide as follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
As shown in Figs. 1-5, a kind of intelligent medium voltage switchgear of the invention, including cabinet body 10 and it is set to the cabinet body
Rotation chamber 15 in 10, it is described to rotate the forceful electric power chamber 23 being provided in 15 left side end wall of chamber opening to the right and be located at the forceful electric power
The light current chamber 17 of the top of chamber 23 is provided with belt chamber 21 in the 23 left side end wall of forceful electric power chamber, is provided in the forceful electric power chamber 23
Fixed plate 13 is provided with the first threaded hole 14,14 screw-internal thread fit of the first threaded hole in the 13 left side end wall of fixed plate
First threaded rod 12 of connection, 12 left distal end of the first threaded rod protrudes into the first belt chamber 21 and end is fixedly installed
There is first pulley 11, fixed bracket 24 is fixedly installed on 13 roof of fixed plate, is provided in 23 top of forceful electric power chamber
Pressure release passage 18 outside connection is provided with fan chamber 55, the fan chamber 55 and institute in the 18 left side end wall of pressure release passage
It states and is provided with and communicated with ventilation hole 54 between pressure release passage 18, switching chamber 36 is provided in the 55 left side end wall of fan chamber, it is described
Rotation is provided with first rotating shaft 53, the first rotating shaft 53 in the fan chamber 55 between switching chamber 36 and the fan chamber 55
End is fixedly installed fan 52, and 53 end of the first rotating shaft in the switching chamber 36 is fixedly installed first gear 37,
It is provided with sliding cavity 50 in the 36 right side end wall of switching chamber, is provided with drive cavity 42, the cunning in 50 bottom wall of sliding cavity
It is slidably provided with sliding shoe 49 in dynamic chamber 50, is fixedly installed the first motor 48, institute in the 49 left side end wall of sliding shoe
Stating 48 output shaft of the first motor, extending end is fixedly installed second gear 38 to the left, is provided in the sliding shoe 49 and passes through up and down
The second threaded hole 47 worn, 47 screw-internal thread fit of the second threaded hole is connected with the second threaded rod 46 extended up and down, described
Second threaded rod, 46 top end is connected by power with the second motor 51 being fixedly installed in 50 roof of sliding cavity, and described
Two threaded rods, 46 bottom end protrudes into the drive cavity 42 and end is fixedly installed first bevel gear 45, the switching chamber 36 with
Rotation is provided with the second shaft 41 between the first belt chamber 21, and 41 end of the second shaft in the switching chamber 36 is solid
Surely it is provided with the third gear 39 engaged with the second gear 38, second shaft, 41 end in the first belt chamber 21
End is fixedly installed the second belt wheel 40, between second belt wheel 40 and the first pulley 11 with the transmission of the first belt 22
Connection, the 10 roof inner opening of cabinet body set up the chamber 34 that gathers dust positioned at 55 left side of fan chamber, the chamber that gathers dust
Dismountable strainer 33 is provided in 34, described gather dust is provided with and communicated with air-inlet cavity 35 between chamber 34 and the fan chamber 55, institute
It states the rotation of fan 52 and fan heat conveniently is carried out to heavy current installation.
Valuably, be provided with worm gear chamber 21 in 15 bottom wall of rotation chamber, the worm gear chamber 21 and the rotation chamber 15 it
Between rotation be provided with third shaft 32,32 end of third shaft in the worm gear chamber 21 is fixedly installed worm gear 30, institute
It states and is fixedly installed hermatic door 16 outside the third shaft 32 in rotation chamber 15, be provided in the 15 rear side end wall of rotation chamber
Positioned at the second belt chamber 26 of the worm gear chamber 21 and 42 rear side of drive cavity, the worm gear chamber 21 and the second belt chamber
Rotation is provided with the worm screw 29 engaged with the worm gear 30 between 26, and 29 end of the worm screw in the second belt chamber 26 is solid
Surely it is provided with third belt wheel 28, rotation is provided with the 4th shaft 44, institute between the drive cavity 42 and the second belt chamber 26
44 end of the 4th shaft stated in drive cavity 42 is fixedly installed the second bevel gear engaged with the first bevel gear 45
43,44 end of the 4th shaft in the second belt chamber 26 is fixedly installed the 4th belt wheel 25, the 4th belt wheel 25
It is driven and is cooperatively connected by the second belt 27 between the third belt wheel 28, the worm screw 29 drives worm gear 30 to rotate, thus band
It moves the third shaft 32 to rotate, so that the rotation of hermatic door 16 be driven to close or open.
Valuably, four groups at left and right sides of the pressure release passage 18 are fixedly installed on 10 roof of cabinet body to fix
Seat 59, rotation is provided with the 5th shaft 57 between former and later two described described fixing seats 59, the 5th shaft 57 with it is described solid
Elasticity is provided with torsional spring 58 between 59 end wall of reservation, and 57 outer surface of the 5th shaft is fixedly installed the symmetrical cam 56 in front and back,
Valve deck 20, fixed company between 18 end wall of the valve deck and the pressure release passage are provided between 10 roof of the cam 56 and the cabinet body
It is connected to symmetrical iron chains 19, when deflagration accident occurs for equipment in forceful electric power chamber 23, airflow can be logical by the pressure release
Road 18 is moved up jacks up pressure release for the valve plate 20 upwards.
In the following, applicant will be with reference to attached drawing 1-5 and a kind of intelligent medium voltage switchgear of the application described above
Concrete composition introduce its application method in detail:
Starting the first motor 48 drives second gear 38 to rotate, to drive third gear 39, the second belt wheel 40, first band
Wheel 11 and the first threaded rod 12 rotate, so that fixed plate 13 be driven to move to right out outside cabinet body 10, facilitate consolidate heavy current installation at this time
It is scheduled on fixed bracket 24, then weak current equipment is fixed in light current chamber 17, then start 48 counter-rotating belts of the first motor
Dynamic fixed plate 13 returns to home position, starts the rotation of the second motor 51 at this time and drives the rotation of the second threaded rod 46, the second threaded rod
46 rotations drive first bevel gears 45, second bevel gear 43, the 4th belt wheel 25, third belt wheel 28, worm screw 29, worm gear 30 and the
Three shafts 32 rotate that the rotation of hermatic door 16 is driven to close, and when hermatic door 16 is closed, the second threaded rod 46 rotates just band
Dynamic sliding shoe 49 is moved to sliding cavity 50 topmost, and second gear 38 is engaged with first gear 37 at this time, starts the first motor 48
Rotation drives second gear 38 to rotate, to drive first gear 37 and fan 52 to rotate, so that air is passed through strainer 33
It is pumped into pressure release passage 18, to blow air into forceful electric power chamber 23, fan heat is carried out to heavy current installation, into air through filter screen
33 filterings collect dust in strainer 33, and when deflagration accident occurs for equipment in forceful electric power chamber 23, airflow can pass through pressure release
Channel 18 move up by valve plate 20 upwards jack up pressure release, avoid equipment due to deflagration accident cause cabinet body 10 burst, according at
Other equipment damage.
By detailed analysis above it can be seen that switchgear of the invention can easily realize the switch of cabinet door, together
When maintaining equipments it is convenient, equipment is additionally provided with pressure relief device, single cabinet body is avoided to cause peripheral equipment to damage when accident occurs
Wound.
The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention
It should be determined by the scope of protection defined in the claims.
Claims (3)
1. a kind of intelligent medium voltage switchgear of the invention, including cabinet body and it is set to the intracorporal rotation chamber of the cabinet, it is described
The forceful electric power chamber of opening to the right and the light current chamber above the forceful electric power chamber, the forceful electric power are provided in end wall on the left of rotation chamber
Belt chamber is provided on the left of chamber in end wall, the forceful electric power is intracavitary to be provided with fixed plate, is provided in end wall on the left of the fixed plate
First threaded hole, the first threaded rod of the first threaded hole screw-internal thread fit connection, the first threaded rod left distal end are stretched
Enter the first belt chamber and end be fixedly installed first pulley, is fixedly installed fixed bracket on the fixed plate roof,
It is provided with the external pressure release passage of connection in the forceful electric power top of chamber, is provided with fan chamber in the end wall of the pressure release passage left side,
It is provided with and communicated with ventilation hole between the fan chamber and the pressure release passage, is provided with switching in end wall on the left of the fan chamber
Chamber, rotation is provided with first rotating shaft between the switching chamber and the fan chamber, the first rotating shaft end in the fan chamber
End is fixedly installed fan, and the intracavitary first rotating shaft end of the switching is fixedly installed first gear, the switching chamber
It is provided with sliding cavity in the end wall of right side, drive cavity is provided in the sliding cavity bottom wall, is slidably arranged in the sliding cavity
There is sliding shoe, is fixedly installed the first motor in end wall on the left of the sliding shoe, first motor output shaft extends end to the left
End is fixedly installed second gear, perforative second threaded hole up and down is provided in the sliding shoe, in second threaded hole
It is threadedly engaged the second threaded rod for being connected with and extending up and down, the second threaded rod top end and is fixedly installed on the sliding
The second motor power connection in chamber roof, the second threaded rod bottom end protrudes into the drive cavity and end is fixedly installed
There is first bevel gear, rotation is provided with the second shaft between the switching chamber and the first belt chamber, and the switching is intracavitary
Second shaft end is fixedly installed the third gear engaged with the second gear, intracavitary described of first belt
Second shaft end is fixedly installed the second belt wheel, is matched between second belt wheel and the first pulley by the transmission of the first belt
Connection is closed, the cabinet body roof inner opening sets up the chamber that gathers dust on the left of the fan chamber, intracavitary set of gathering dust
It is equipped with dismountable strainer, described gather dust is provided with and communicated with air-inlet cavity between chamber and the fan chamber, the fan rotation is convenient
Fan heat is carried out to heavy current installation.
2. a kind of intelligent medium voltage switchgear according to claim 1, it is characterised in that: setting in the wall of the rotation bottom of chamber
There is worm gear chamber, rotation is provided with third shaft, the intracavitary third of the worm gear between the worm gear chamber and the rotation chamber
Shaft end is fixedly installed worm gear, is fixedly installed hermatic door, the rotation outside the intracavitary third shaft of the rotation
The second belt chamber being provided in end wall on rear side of chamber on rear side of the worm gear chamber and the drive cavity, the worm gear chamber with it is described
Rotation is provided with the worm screw engaged with the worm gear between second belt chamber, and the intracavitary worm screw end of second belt is solid
Surely it is provided with third belt wheel, rotation is provided with the 4th shaft, the drive cavity between the drive cavity and the second belt chamber
Interior the 4th shaft end is fixedly installed the second bevel gear engaged with the first bevel gear, the second belt chamber
Interior the 4th shaft end is fixedly installed the 4th belt wheel, by the second skin between the 4th belt wheel and the third belt wheel
V belt translation is cooperatively connected, and the worm screw drives worm gear rotation, to drive the third shaft to rotate, to drive the sealing
Door rotation closes or opens.
3. a kind of intelligent medium voltage switchgear according to claim 1, it is characterised in that: fixation is set on the cabinet body roof
Four groups of fixing seats being located at left and right sides of the pressure release passage are equipped with, rotates and is provided between former and later two described described fixing seats
5th shaft, elasticity is provided with torsional spring between the 5th shaft and the fixing seat end wall, and the 5th shaft outer surface is fixed
It is provided with the symmetrical cam in front and back, valve deck is provided between the cam and the cabinet body roof, the valve deck and the pressure release are logical
Symmetrical iron chains is fixedly connected between road end wall, when deflagration accident occurs for forceful electric power endoluminal, airflow can pass through
The pressure release passage is moved up jacks up pressure release for the valve plate upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484441.6A CN110061439B (en) | 2019-06-05 | 2019-06-05 | Intelligent medium-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910484441.6A CN110061439B (en) | 2019-06-05 | 2019-06-05 | Intelligent medium-voltage switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110061439A true CN110061439A (en) | 2019-07-26 |
| CN110061439B CN110061439B (en) | 2020-06-02 |
Family
ID=67325613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910484441.6A Active CN110061439B (en) | 2019-06-05 | 2019-06-05 | Intelligent medium-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110061439B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009838A (en) * | 2020-01-10 | 2020-04-14 | 衢州柯城幕布电子有限公司 | Dehumidification and heat dissipation device for power distribution cabinet |
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|---|---|---|---|---|
| DE29820880U1 (en) * | 1998-11-23 | 1999-02-18 | Winotek Handelsgesellschaft Mb | Device for ventilation of computer housings |
| CN105846321A (en) * | 2016-05-12 | 2016-08-10 | 成都市妃华松五金产品有限公司 | Portable power distribution cabinet apparatus |
| CN109119922A (en) * | 2018-11-20 | 2019-01-01 | 湖南方明电器设备有限公司 | A kind of outdoor distribution box with long service life |
| CN109193359A (en) * | 2018-09-27 | 2019-01-11 | 新昌县军辉新能源科技有限公司 | A kind of novel spark plug device and its application method |
-
2019
- 2019-06-05 CN CN201910484441.6A patent/CN110061439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29820880U1 (en) * | 1998-11-23 | 1999-02-18 | Winotek Handelsgesellschaft Mb | Device for ventilation of computer housings |
| CN105846321A (en) * | 2016-05-12 | 2016-08-10 | 成都市妃华松五金产品有限公司 | Portable power distribution cabinet apparatus |
| CN109193359A (en) * | 2018-09-27 | 2019-01-11 | 新昌县军辉新能源科技有限公司 | A kind of novel spark plug device and its application method |
| CN109119922A (en) * | 2018-11-20 | 2019-01-01 | 湖南方明电器设备有限公司 | A kind of outdoor distribution box with long service life |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009838A (en) * | 2020-01-10 | 2020-04-14 | 衢州柯城幕布电子有限公司 | Dehumidification and heat dissipation device for power distribution cabinet |
| CN111009838B (en) * | 2020-01-10 | 2021-02-09 | 江苏苏中开关厂有限公司 | Dehumidification and heat dissipation device for power distribution cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110061439B (en) | 2020-06-02 |
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Effective date of registration: 20200509 Address after: 430040 No.570, innovation Avenue, Changqing office, Dongxihu District, Wuhan City, Hubei Province (7) Applicant after: Wuhan Wanchang Electromechanical Equipment Co., Ltd Address before: 510000 No. 30 East Pearl River Road, Tianhe District, Guangzhou City, Guangdong Province 601-C6027 Applicant before: GUANGZHOU CHENGKE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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