CN107658698B - A kind of distributing cabinet frame assemble method - Google Patents
A kind of distributing cabinet frame assemble method Download PDFInfo
- Publication number
- CN107658698B CN107658698B CN201710953893.5A CN201710953893A CN107658698B CN 107658698 B CN107658698 B CN 107658698B CN 201710953893 A CN201710953893 A CN 201710953893A CN 107658698 B CN107658698 B CN 107658698B
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- China
- Prior art keywords
- profile
- frame
- frame section
- rectangle casing
- section bar
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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
- H02B1/01—Frameworks
- H02B1/013—Profiles for cabinet frames
-
- 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
- H02B1/01—Frameworks
- H02B1/012—Details of mechanical connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Assembled Shelves (AREA)
Abstract
The invention discloses the assembly type distributing cabinet frames and its assemble method of a kind of size adjustable, the distributing cabinet frame includes frame section bar and connector, the frame section bar is made of the first profile and the second profile, first profile and the second profile are hollow, rectangular pipe, second profile is set in the hollow, rectangular pipe of the first profile, and allows second profile to prolong the movement of the first profile length direction in the hollow, rectangular pipe of first profile and be equipped with fixed device to form retractable structure, between the first profile and the second profile with fixed frame profile length；It is detachably connected between the frame section bar and the connection.The structural strength for the distributing cabinet frame being completed through the method for the present invention is good, size Control is easy, and the propagation direction of cabinet is unrestricted.
Description
Technical field
The present invention relates to power distribution cabinet technical fields, more particularly, to a kind of distributing cabinet frame assemble method.
Background technique
With the development of distribution industry, the structure of distribution cabinet body is gradually more and more paid close attention to by market, by adopting completely
With plate welding structure, gradually development is profile welding and assembling, the fully assembled cabinet body structure of profile etc..And existing power distribution cabinet exists
Whole size Control is not easy to when assembling, once and size slightly error, it is weak and be not easy group that structural strength will be derived
The problem of conjunction, and when needing to be extended power distribution cabinet, extension, which is compared, to be restricted, and scalability is poor.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of safe and reliable, cabinet body sizes to be easy to control
With the assembly type distributing cabinet frame assemble method of extension.
Purpose to realize the present invention, on the one hand, the present invention proposes a kind of assembly type distributing cabinet frame of size adjustable, this is matched
Electric cabinet frame includes frame section bar and connector, and the frame section bar is made of the first profile and the second profile, first type
Material and the second profile are hollow, rectangular pipe, and second profile is set in the hollow, rectangular pipe of the first profile, and allows this
Second profile prolongs the first profile length direction in the hollow, rectangular pipe of first profile and moves to form retractable structure, the
Fixed device is equipped between one profile and the second profile with fixed frame profile length；Between the frame section bar and the connection
It is detachably connected.
As the preferred of technical solution of the present invention, first profile includes long portion and short portion, in second profile
Empty rectangular tube cross section is less than the long cross section of first profile, the hollow, rectangular pipe cross section size of second profile
It is consistent with the short cross section of first profile.
As the preferred of technical solution of the present invention, the fixed device is flexible positioning piece, and the flexible positioning piece is fixed
In the cavity in the long portion of first profile, the flexible positioning piece includes V-type spring leaf and lock pin, and the lock pin is fixed to be connected
It connects on the side of the V-type spring leaf；First profile is equipped with the first fixation hole, and the long portion of the second profile is equipped with
Second fixation hole, the lock pin pass through first fixation hole and the second fixation hole so that the first profile and the second profile is mutually solid
It is fixed.
As the preferred of technical solution of the present invention, the distributing cabinet frame is as described in 12 frame section bars and eight
Connector composition；The connector is three-port structure connector comprising the first rectangle casing, the second rectangle casing and third square
Shape casing, the first rectangle casing, the second rectangle casing and third rectangle casing are mutually perpendicular to, the first rectangle casing,
Second rectangle casing and third rectangle casing are equipped with the cavity for accommodating first profiled ends or the short portion of the second profile；Institute
The first rectangle casing, the second rectangle casing and third rectangle casing are stated equipped with third fixation hole.
As the preferred of technical solution of the present invention, the end across first fixation hole and the lock pin of the second fixation hole
Portion is in semicircle spherical structure.
To achieve the purpose of the present invention, as same inventive concept, the present invention also provides a kind of assemblings of distributing cabinet frame
Method, the distributing cabinet frame include frame section bar and connector, and the frame section bar is made of the first profile and the second profile, institute
Stating the first profile includes long portion and short portion, and flexible positioning piece, the elasticity are fixed in the cavity in the long portion of first profile
Locating piece includes V-type spring leaf and lock pin, and the lock pin is fixedly connected on the side of the V-type spring leaf；First type
Material is equipped with the first fixation hole, and the long portion of the second profile is equipped with the second fixation hole, and it is fixed that the lock pin passes through described first
Hole and the second fixation hole are the first profile and the second profile to be fixed to each other；By adjusting the mutual of the first profile and the second profile
Positional relationship adjusts the length of frame section bar, and determines the width and length scale of under(-)chassis with this；The connector
For three-port structure connector comprising the first rectangle casing, the second rectangle casing and third rectangle casing；
This method specifically comprises the following steps:
Choose four frame section bars assembling top frames, according to the length of the expected distributing cabinet frame to be assembled with
The size of width adjustment top frame adjusts frame section bar by adjusting the mutual alignment relation of the first profile and the second profile
Length, and determine with this width and length scale of top frame；By the second profiled ends of four frame section bars and
In the first rectangle casing or the second rectangle casing of the short portion's insertion connector of first profile, and it is fixed by bolt, so that
The third rectangle casing of top frame upper connector downward, completes the assembling of top frame at this time；
Choose four frame section bars assembling under(-)chassis, according to the length of the expected distributing cabinet frame to be assembled with
The size of width adjustment under(-)chassis adjusts frame section bar by adjusting the mutual alignment relation of the first profile and the second profile
Length, and determine with this width and length scale of under(-)chassis；By the second profiled ends of four frame section bars and
In the first rectangle casing or the second rectangle casing of the short portion's insertion connector of first profile, and it is fixed by bolt, so that
The third rectangle casing of under(-)chassis upper connector upward, completes the assembling of under(-)chassis at this time；
Four frame section bars are chosen as column to connect top frame and under(-)chassis, to be assembled according to expection
The size of the height adjustment column of the distributing cabinet frame arrived, chooses four frame section bars, by adjusting the first profile and second type
The mutual alignment relation of material adjusts the length of frame section bar, and determines the height of column with this；By four frame section bars
The second profiled ends and the first profile short portion insertion under(-)chassis or the connector of top frame third rectangle casing in, and
It is fixed by bolt, completes the assembling of distributing cabinet frame at this time.
Compared with prior art, the beneficial effects of the present invention are:
The structural strength of assembly type distributing cabinet frame of the invention is good, size Control is easy and cabinet body propagation direction less by
Limitation, the frame section bar for assembling distributing cabinet frame have retractable structure, can be according to expected distributing cabinet frame size
It is adaptively adjusted the length of profile, and is met the expected requirements the cabinet body frame of size with frame section bar assembling, the first profile and the
Two profiles reduce cost convenient for batch production.
Detailed description of the invention
Fig. 1 is power distribution cabinet circuit theory schematic diagram of the present invention.
Fig. 2 is one structural schematic diagram of frame section bar state of the present invention.
Fig. 3 is two structural schematic diagram of frame section bar state of the present invention.
Fig. 4 is fixture structure schematic diagram of the present invention.
In figure, frame 1, frame section bar 2, connector 3, the first profile 4, the second profile 5, long portion 6, short portion 7, first are fixed
Hole 8, the second fixation hole 9, third fixation hole 10, the 4th fixation hole 11, flexible fastening piece 12, V-type spring leaf 13, lock pin 14,
One rectangle casing 15, the second rectangle casing 16, third rectangle casing 17, locating part 18.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1
The present invention proposes a kind of assembly type distributing cabinet frame of size adjustable, as shown in Figs 1-4, the distributing cabinet frame 1 packet
Frame section bar 2, connector 3 are included, the frame section bar 2 is made of the first profile 4 and the second profile 5, first profile 4 and
Two profiles 5 are hollow, rectangular pipe, and second profile 5 is set in the hollow, rectangular pipe of the first profile 4, and allow this second
Profile 5 prolongs 4 length direction of the first profile in the hollow, rectangular pipe of first profile 4 and moves to form retractable structure, the
Fixed device is equipped between one profile 4 and the second profile 5 with 2 length of fixed frame profile；The frame section bar 2 and the connection
Between be detachably connected.
In the present embodiment, it is preferable that first profile 4 includes long portion 6 and short portion 7, the hollow square of second profile 5
Shape pipe cross section is less than 6 cross section of long portion of first profile 4, the hollow, rectangular pipe cross section size of second profile 5
It is consistent with 6 cross section of long portion of first profile 4.The short portion 7 is as position limiting structure for limiting the second profile 5 from first
4 one end of profile is detached from, and is in addition additionally provided with another position limiting structure on first profile 4, and another position limiting structure is for limiting the
Two profiles 5 are detached from from 4 other end of the first profile.
In the present embodiment, it is preferable that the fixed device is flexible positioning piece, and the flexible positioning piece passes through locating part 18
It is fixed in the cavity in the long portion 6 of second profile 5, the flexible positioning piece includes V-type spring leaf 13 and lock pin 14, described
Lock pin 14 is fixedly connected on the side of the V-type spring leaf 13；Multiple first fixation holes are uniformly provided on first profile 4
8, multiple second fixation holes 9 are uniformly provided in the long portion 6 of second profile 5, first fixation hole 8 and the second fixation hole 9 are big
It is small consistent, by making the lock pin 14 pass through first fixation hole 8 and the second fixation hole 9 with by the first profile 4 and second
Profile 5 is fixed to each other.
In the present embodiment, it is preferable that the distributing cabinet frame is by 12 frame section bars 2 and eight connectors
3 compositions；The connector 3 is three-port structure connector 3 comprising the first rectangle casing 15, the second rectangle casing 16 and third
Rectangle casing 17, the first rectangle casing 15, the second rectangle casing 16 and third rectangle casing 17 are mutually perpendicular to, and described first
Rectangle casing 15, the second rectangle casing 16 and third rectangle casing 17, which are equipped with, accommodates 4 end of the first profile or described second
The cavity in the short portion 7 of profile 5；The first rectangle casing 15, the second rectangle casing 16 and third rectangle casing 17 are equipped with third
Fixation hole 10, the cross section and described second of the first rectangle casing 15, the second rectangle casing 16 and third rectangle casing 17
The hollow, rectangular pipe cross section size of profile 5 and 6 cross section of long portion of first profile 4 are in the same size, so that by institute
The long portion 6 of hollow, rectangular pipe one end and first profile 4 for stating the second profile 5 is inserted into the first rectangle casing 15 or the second
When being assembled into distributing cabinet frame in rectangle casing 16, frame surfacing.
In the present embodiment, in order to enable connector 3 can be connected with frame section bar 2, the third fixation hole of the connector 3
10 is consistent with first fixation hole 8, the 4th fixation hole 11 also is provided in the short portion 7 of first profile 4, described first is fixed
Hole 8, the second fixation hole 9, third fixation hole 10 and the 4th fixation hole 11 are consistent fixation hole, and part can be bolted
3 are attached fixation.
In the present embodiment, it is preferable that the end across first fixation hole 8 and the lock pin 14 of the second fixation hole 9
In semicircle spherical structure, it is arranged to semicircle spherical structure in order to which assembler presses the end of the lock pin 14, so that 4 He of the first profile
It unlocks between second profile 5, further to adjust the mutual alignment between the first profile 4 and the second profile 5.
Embodiment 2
As same inventive concept, embodiment 2 provides a kind of distributing cabinet frame assemble method, which is
Distributing cabinet frame 1 described in embodiment 1, the distributing cabinet frame assemble method specifically comprise the following steps:
It in the present embodiment, chooses four frame section bars 2 and assembles top frame, according to the expected power distribution cabinet to be assembled
The size of the length and width adjustment top frame of frame, presses the end of the lock pin 14 of flexible fastening piece 12, contacts the choosing
Locking between the first profile 4 and the second profile 5 of four frame section bars 2 taken, by adjusting the first profile 4 and the second profile
5 mutual alignment relation adjusts the length of frame section bar 2, and after adjusting suitable length, lock pin 14 is in spring-return
Across first fixation hole 8 and the second fixation hole 9 under power effect, the first profile 4 and the second profile 5 are locked, and is come really with this
Determine the width and length scale of top frame；4 end of the first profile of four frame section bars 2 and the short portion 7 of the second profile 5 are inserted
Enter in the first rectangle casing 15 or the second rectangle casing 16 of connector 3, and is fixed by bolt and the second fixation hole 9, third
Hole 10, the 4th fixation hole 11 are fixed, so that the third rectangle casing 17 of top frame upper connector 3 is downward, complete at this time
The assembling of top frame；
It in the present embodiment, chooses four frame section bars 2 and assembles under(-)chassis, according to the expected power distribution cabinet to be assembled
The size of the length and width adjustment under(-)chassis of frame, presses the end of the lock pin 14 of flexible fastening piece 12, contacts the selection
Four frame section bars 2 the first profile 4 and the second profile 5 between locking, by adjusting the first profile 4 and the second profile 5
Mutual alignment relation adjust the length of frame section bar 2, after adjusting suitable length, lock pin 14 is in spring-return power
It across first fixation hole 8 and the second fixation hole 9 under effect, locks the first profile 4 and the second profile 5, and is determined with this
The width and length scale of under(-)chassis；4 end of the first profile of four frame section bars 2 and the short portion 7 of the second profile 5 are inserted into
In the first rectangle casing 15 or the second rectangle casing 16 of connector 3, and pass through bolt and the second fixation hole 9, third fixation hole
10, the 4th fixation hole 11 is fixed, so that the third rectangle casing 17 of under(-)chassis upper connector 3 is upward, completes bottom at this time
The assembling of portion's frame；
In the present embodiment, the assembling sequence of top frame and under(-)chassis can be selected arbitrarily, complete top frame and
The Connection Step of top frame and under(-)chassis is executed after the assembling of under(-)chassis, it is specific as follows: to choose four frame section bars 2
As column to connect top frame and under(-)chassis, adjusted according to the height of the expected distributing cabinet frame to be assembled
The size of column chooses four frame section bars 2, presses the end of the lock pin 14 of flexible fastening piece 12, contacts four of the selection
Locking between the first profile 4 and the second profile 5 of frame section bar 2, by adjusting the mutual of the first profile 4 and the second profile 5
Positional relationship adjusts the length of frame section bar 2, and after adjusting suitable length, lock pin 14 is under the effect of spring-return power
It across first fixation hole 8 and the second fixation hole 9, locks the first profile 4 and the second profile 5, and column is determined with this
Highly；By 4 end of the first profile of four frame section bars 2 and the short portion 7 of the second profile 5 be inserted into connector 3 under(-)chassis or
In the third rectangle casing 17 of top frame, and pass through bolt and the second fixation hole 9, third fixation hole 10, the 4th fixation hole 11
It is fixed, completes the assembling of distributing cabinet frame at this time.
The structural strength of assembly type distributing cabinet frame of the invention is good, size Control is easy and cabinet body propagation direction less by
Limitation, the frame section bar 2 for assembling distributing cabinet frame have retractable structure, can be according to expected distributing cabinet frame size
The length of profile is adaptively adjusted, and assembles the cabinet body frame for the size that meets the expected requirements, 4 He of the first profile with frame section bar 2
Second profile 5 reduces cost convenient for batch production.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (1)
1. a kind of distributing cabinet frame assemble method, the distributing cabinet frame include frame section bar and connector, which is characterized in that described
Frame section bar is made of the first profile and the second profile, and first profile includes long portion and short portion, the length of first profile
Flexible positioning piece is fixed in the cavity in portion, the flexible positioning piece includes V-type spring leaf and lock pin, and the lock pin is fixedly connected
On the side of the V-type spring leaf；First profile is equipped with the first fixation hole, and the long portion of the second profile is equipped with the
Two fixation holes, the lock pin pass through first fixation hole and the second fixation hole so that the first profile and the second profile is mutually solid
It is fixed；It adjusts the length of frame section bar by adjusting the mutual alignment relation of the first profile and the second profile, and is determined with this
The width and length scale of under(-)chassis；The connector is three-port structure connector comprising the first rectangle casing, the second square
Shape casing and third rectangle casing；
This method specifically comprises the following steps:
Four frame section bar assembling top frames are chosen, according to the length and width of the expected distributing cabinet frame to be assembled
The size for adjusting top frame, the length of frame section bar is adjusted by adjusting the mutual alignment relation of the first profile and the second profile
It spends, and determines the width and length scale of top frame with this；By the second profiled ends and first of four frame section bars
It in the first rectangle casing or the second rectangle casing of the short portion's insertion connector of profile, and is fixed by bolt, so that top
The third rectangle casing of frame upper connector downward, completes the assembling of top frame at this time；
Four frame section bar assembling under(-)chassis are chosen, according to the length and width of the expected distributing cabinet frame to be assembled
The size for adjusting under(-)chassis, the length of frame section bar is adjusted by adjusting the mutual alignment relation of the first profile and the second profile
It spends, and determines the width and length scale of under(-)chassis with this；By the second profiled ends and first of four frame section bars
It in the first rectangle casing or the second rectangle casing of the short portion's insertion connector of profile, and is fixed by bolt, so that bottom
The third rectangle casing of frame upper connector upward, completes the assembling of under(-)chassis at this time；
Four frame section bars are chosen as column to connect top frame and under(-)chassis, to be assembled according to expection
The size of the height adjustment column of distributing cabinet frame, chooses four frame section bars, by adjusting the first profile and the second profile
Mutual alignment relation adjusts the length of frame section bar, and determines the height of column with this；By the of four frame section bars
In the third rectangle casing of two profiled ends and the short portion's insertion under(-)chassis of the first profile or the connector of top frame, and pass through
Bolt is fixed, and completes the assembling of distributing cabinet frame at this time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953893.5A CN107658698B (en) | 2017-10-13 | 2017-10-13 | A kind of distributing cabinet frame assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953893.5A CN107658698B (en) | 2017-10-13 | 2017-10-13 | A kind of distributing cabinet frame assemble method |
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| Publication Number | Publication Date |
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| CN107658698A CN107658698A (en) | 2018-02-02 |
| CN107658698B true CN107658698B (en) | 2019-05-17 |
Family
ID=61118565
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710953893.5A Active CN107658698B (en) | 2017-10-13 | 2017-10-13 | A kind of distributing cabinet frame assemble method |
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| CN (1) | CN107658698B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108434934B (en) * | 2018-05-23 | 2020-11-13 | 安徽正特机电科技有限公司 | Ozone removing device convenient to install and installation method thereof |
| CN108808483B (en) * | 2018-06-23 | 2020-10-02 | 郑州华伟电器技术有限公司 | Liftable feeder cabinet |
| CN108901172B (en) * | 2018-08-15 | 2024-06-11 | 浙江佳乐科仪股份有限公司 | Frequency conversion rack skeleton texture |
| CN109230983A (en) * | 2018-10-15 | 2019-01-18 | 浙江宝业幕墙装饰有限公司 | A kind of cell curtain wall lifting balancing pole |
| CN112490855B (en) * | 2020-12-15 | 2021-11-30 | 北京北龙源开关设备有限责任公司 | Distribution box modulization installation framework |
| CN112755857A (en) * | 2021-02-24 | 2021-05-07 | 河南科创铝基新材料有限公司 | Combined type rotary mixer |
| CN116544808B (en) * | 2023-05-22 | 2023-10-24 | 江苏镇德电力设备有限公司 | Basic steel frame and switch cabinet with space three-way clutch interlocking function and installation method thereof |
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| CN205320434U (en) * | 2016-01-27 | 2016-06-15 | 宁波龙图通讯科技有限公司 | Pull formula network frame |
| CN206059913U (en) * | 2016-08-31 | 2017-03-29 | 库柏(宁波)电气有限公司 | One kind is easy to field erected low voltage complete set switch cubicle |
| CN206498616U (en) * | 2017-02-13 | 2017-09-15 | 沈阳市电信规划设计院股份有限公司 | A kind of communication equipment base of dimension adjustable |
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|---|---|---|---|---|
| CN202344550U (en) * | 2011-09-30 | 2012-07-25 | 冷定刚 | Folding blade locking structure |
| CN205320434U (en) * | 2016-01-27 | 2016-06-15 | 宁波龙图通讯科技有限公司 | Pull formula network frame |
| CN206059913U (en) * | 2016-08-31 | 2017-03-29 | 库柏(宁波)电气有限公司 | One kind is easy to field erected low voltage complete set switch cubicle |
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| CN107658698A (en) | 2018-02-02 |
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Effective date of registration: 20191128 Address after: 510175 room 704, No. 40-48, Xinhong street, Liwan District, Guangzhou City, Guangdong Province Co-patentee after: Zhaoqing power supply administration of Guangdong Power Grid Co., Ltd Patentee after: Guangzhou Guandian Electronic Technology Co., Ltd. Address before: 510175 Guangdong city of Guangzhou province Liwan District new rainbow Street No. 38 Lai King business building block A Room 502 Patentee before: Guangzhou Guandian Electronic Technology Co., Ltd. |
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Address after: 510175 room 704, No. 40-48, Xinhong street, Liwan District, Guangzhou City, Guangdong Province (office only) Co-patentee after: GUANGDONG POWER GRID CO., LTD., ZHAOQING POWER SUPPLY BUREAU Patentee after: Guangdong Guandian Technology Co., Ltd Address before: 510175 room 704, No. 40-48, Xinhong street, Liwan District, Guangzhou City, Guangdong Province Co-patentee before: GUANGDONG POWER GRID CO., LTD., ZHAOQING POWER SUPPLY BUREAU Patentee before: GUANGZHOU GUANDIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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