CN106163153B - A kind of crashworthiness regulator cubicle of traversing reinforcing plate - Google Patents
A kind of crashworthiness regulator cubicle of traversing reinforcing plate Download PDFInfo
- Publication number
- CN106163153B CN106163153B CN201610550492.0A CN201610550492A CN106163153B CN 106163153 B CN106163153 B CN 106163153B CN 201610550492 A CN201610550492 A CN 201610550492A CN 106163153 B CN106163153 B CN 106163153B
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- China
- Prior art keywords
- traversing
- electric wire
- reinforcing plate
- plate
- foreboard
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/18—Construction of rack or frame
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Patch Boards (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to regulator cubicle technical field, a kind of more particularly to crashworthiness regulator cubicle of traversing reinforcing plate, it includes element mounting shell, reinforcing plate, connection support, traversing sliding block, vertical pivot, traversing guide rail, fixed hub, traversing spring, plurality of element mounting shell is by connecting rear side of the support installed in bottom plate, bottom plate installed in front has reinforcing plate, reinforcing plate is slided on traversing guide rail, is provided with traversing spring between reinforcing plate and side plate side by side up and down.Triggering lever is installed on vertical pivot in addition, and the swing of triggering lever is limited by many top bars being arranged on foreboard, serving prevents from triggering the purpose that lever surrounds vertical axis, and the top flat now installed on triggering lever just can reliablely and stablely block reinforcing plate.Present invention utilizes that can play to protect foreboard direction comprehensively with less steel plate with traversing reinforcing plate, there is preferable using effect.
Description
Art
The invention belongs to regulator cubicle technical field, more particularly to a kind of crashworthiness regulator cubicle of traversing reinforcing plate.
Background technology
Regulator cubicle has the function that irreplaceable in electrical arrangement and use at present, and regulator cubicle is protection electrical equipment
Critical piece.Regulator cubicle is imitated by increasing wall thickness and increasing the number of inside and outside reinforcement to reach higher crashworthiness at present
Fruit.But due to the limitation of regulator cubicle inner space, the increase of wall thickness and increasing with certain limit for reinforcement number,
The minibus that result in regulator cubicle has certain limitation.For with destructive shock, the toppling over of such as tree, the shock of automobile
Deng will be unable to reach crashworthiness requirement using simple increase wall thickness and the number for increasing reinforcement.
The present invention designs a kind of crashworthiness regulator cubicle of traversing reinforcing plate and solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of crashworthiness regulator cubicle of traversing reinforcing plate, and it is
Realized using following technical scheme.
A kind of crashworthiness regulator cubicle of traversing reinforcing plate, it is characterised in that：It include back plate, bottom plate, top plate, side plate, foreboard,
Element mounting shell, reinforcing plate, connection support, traversing sliding block, vertical pivot, traversing guide rail, fixed hub, traversing spring, traversing guide rail
Groove, expandable electric wire mechanism, trigger mechanism, wherein foreboard, two side plates, back plate is installed on bottom plate and cross section is rectangle,
Mounting of roof plate is in foreboard, back plate and two side plate upper ends；16 element mounting shells are divided into four rows and two-by-two by connecting branch
Support is arranged on bottom plate side；Two traversing guide rails difference are symmetrical above and below to be arranged on bottom plate and top plate, on each traversing guide rail
Traversing guide groove is provided with, two traversing sliding blocks are installed in the traversing guide groove of each traversing guide rail；Reinforcing plate passes through upper and lower four
Individual traversing sliding block is arranged on two traversing guide rails；Two traversing springs are arranged between reinforcing plate side and side plate side by side；It is perpendicular
Axle one end is arranged on the traversing guide rail centre position on bottom plate by fixed hub, and the other end is arranged on top plate by fixed hub
On traversing guide rail centre position；Two trigger mechanisms are arranged on foreboard side by side up and down.
Above-mentioned two trigger mechanism structure is identical with mounting means, for wherein any one, it include top flat, touch
Lever, top bar, lever turn hole are sent out, wherein top flat is arranged on triggering lever one end, and triggering lever is pacified by the lever turn hole of centre
On vertical pivot；Seven top bars are arranged on foreboard side by side, and push up triggering of the bar with the lever turn hole side of triggering lever
Lever is fixed.
Electrical equipment is installed in said elements mounting shell, it is necessary to by expandable electric wire mechanism between the electrical equipment being powered
Connection.
Above-mentioned expandable electric wire mechanism includes the first electric wire, electric wire spring anchor block, electric wire spring, wiring sliding block, the second electricity
Line, wherein the first electric wire is connected with electrical equipment, the second electric wire is connected with another electrical equipment；Electric wire spring anchor block is installed
On the first electric wire, wiring sliding block is slided on the first electric wire；Electric wire spring is nested on the first electric wire and electric wire spring one end
On electric wire spring anchor block, the other end is arranged on wiring sliding block；Second electric wire be arranged on wiring sliding block on and second
Electric wire passes through wiring sliding block and the first wiring harness.
As the further improvement of this technology, above-mentioned expandable electric wire mechanism also includes flexible pipe, and flexible pipe is nested in the first electric wire
End, wiring sliding block can compress flexible pipe.
As the further improvement of this technology, said wires spring is extension spring.
As the further improvement of this technology, above-mentioned traversing spring is extension spring.
As the further improvement of this technology, it also includes limited block, and limited block is arranged on foreboard, and with triggering lever
With gap, limited block is located at lever turn hole both sides respectively with top bar.
Relative to traditional regulator cubicle technology, multiple element mounting shell is arranged on bottom plate by connecting support in the present invention
Rear side, bottom plate installed in front have reinforcing plate, and reinforcing plate slides on traversing lead by traversing sliding block and being slidably matched for traversing guide rail
On rail, traversing spring is installed side by side up and down, reinforcing plate is arranged at another side plate, now traversing between reinforcing plate and side plate
The amount of tension of spring is maximum.Triggering lever is installed on vertical pivot in addition, and limited by many top bars being arranged on foreboard
The swing of triggering lever, serving prevents from triggering the purpose that lever surrounds vertical axis, is now installed on triggering lever
Top flat just can reliablely and stablely block reinforcing plate.The present invention mainly for when foreboard is hit to the electrical equipment in regulator cubicle
Protected.It is two kinds that foreboard, which hits punishment, face reinforcing plate inside the position that the first foreboard is knocked, the foreboard of regulator cubicle
Impact will be resisted jointly with reinforcing plate, there is preferable crashworthiness effect, but unavoidable foreboard has larger change when hitting
Shape is recessed, and larger deformed depression is readily extended to the jacking block installed position of foreboard, if before depression is extended up at jacking block
Plate, the depression of foreboard can make jacking block internally raised so that triggering lever surrounds vertical axis, and top flat, which is tilted, makes reinforcing plate exist
Quickly moved to opposite side under spring effect, now boss will lose defencive function, so design limited block, now spacing
Block also can be inwardly protruding under the effect of foreboard depression, and because limited block installation site than jacking block installation site closer to hitting
Place is hit, so the inwardly protruded degree of limited block is bigger than jacking block, it can be realized dry when triggering lever rotation to triggering lever
Relate to, prevent top flat from tilting, reinforcing plate is in the inside for being knocked foreboard；Second, the inside of Board position is without just before shock
To reinforcing plate, now the depression of foreboard can make jacking block internally raised so that triggering lever surrounds vertical axis, and top flat is tilted
Reinforcing plate is set quickly to be moved to opposite side under the action of the spring, now boss can be just in inside the foreboard being knocked, and played
Resist the purpose of impact jointly with foreboard, limited block with triggering lever because keep certain gap, even if impact extends
To limited block installation site because the installation site of jacking block than limited block installation site closer at shock, limited block is not
Interference effect can be played to triggering lever.Present invention utilizes can be played pair with traversing reinforcing plate with less steel plate
Foreboard direction is protected comprehensively, has preferable using effect.
Brief description of the drawings
Fig. 1 is regulator cubicle internal structure schematic diagram.
Fig. 2 is electric cabinet structure top view.
Fig. 3 is electric cabinet structure side view.
Fig. 4 is element mounting shell scheme of installation.
Fig. 5 is traversing guide rail scheme of installation.
Fig. 6 is traversing sliding block scheme of installation.
Fig. 7 is traversing spring scheme of installation.
Fig. 8 is trigger mechanism scheme of installation.
Fig. 9 is trigger mechanism structural representation.
Figure 10 is expandable electric wire structural scheme of mechanism.
Label title in figure：1st, the first electric wire, 2, electric wire spring anchor block, 3, electric wire spring, 4, wiring sliding block, 5, soft
Pipe, the 6, second electric wire, 7, back plate, 8, bottom plate, 9, top plate, 10, side plate, 11, foreboard, 12, element mounting shell, 13, reinforcing plate,
14th, connection support, 15, traversing sliding block, 16, vertical pivot, 17, traversing guide rail, 18, fixed hub, 19, limited block, 20, triggering thick stick
Bar, 21, top bar, 22, traversing spring, 23, traversing guide groove, 24, top flat, 25, lever turn hole, 26, expandable electric wire mechanism, 27,
Trigger mechanism.
Embodiment
As shown in Figure 1, 2, 3, it includes back plate, bottom plate, top plate, side plate, foreboard, element mounting shell, reinforcing plate, connection branch
Support, traversing sliding block, vertical pivot, traversing guide rail, fixed hub, traversing spring, traversing guide groove, expandable electric wire mechanism, trigger mechanism,
Wherein as shown in figure 1, foreboard, two side plates, back plate are installed on bottom plate and cross section is rectangle, mounting of roof plate foreboard,
Back plate and two side plate upper ends；As shown in figure 4,16 element mounting shells are divided into four rows and two-by-two by connecting support installation
In bottom plate side；It is arranged on as shown in figure 5, two traversing guide rails difference are symmetrical above and below on bottom plate and top plate, it is each traversing to lead
Traversing guide groove is provided with rail, as shown in figure 1, being provided with two traversing sliding blocks in the traversing guide groove of each traversing guide rail；Such as
Fig. 1, shown in 6, reinforcing plate is arranged on two traversing guide rails by upper and lower four traversing sliding blocks；As shown in fig. 7, two traversing bullets
Spring is arranged between reinforcing plate side and side plate side by side；As shown in figure 5, vertical pivot one end is arranged on bottom plate by fixed hub
Traversing guide rail centre position, the other end are arranged on the traversing guide rail centre position on top plate by fixed hub；As shown in figure 8,
Two trigger mechanisms are arranged on foreboard side by side up and down.
As shown in Fig. 2,9, above-mentioned two trigger mechanism structure is identical with mounting means, for wherein any one,
It includes top flat, triggering lever, top bar, lever turn hole, and wherein top flat is arranged on triggering lever one end, and triggering lever passes through centre
Lever turn hole be arranged on vertical pivot on；Seven top bars are arranged on foreboard side by side, and are pushed up bar and turned with triggering the lever of lever
The triggering lever of hole side is fixed.
Electrical equipment is installed in said elements mounting shell, it is necessary to by expandable electric wire mechanism between the electrical equipment being powered
Connection.
As shown in Figure 10, above-mentioned expandable electric wire mechanism includes the first electric wire, electric wire spring anchor block, electric wire spring, wiring
Sliding block, the second electric wire, wherein the first electric wire is connected with electrical equipment, the second electric wire is connected with another electrical equipment；Electric wire bullet
Spring fixed block is arranged on the first electric wire, and wiring sliding block is slided on the first electric wire；Electric wire spring be nested on the first electric wire and
Electric wire spring one end is arranged on electric wire spring anchor block, and the other end is arranged on wiring sliding block；Second electric wire is arranged on wiring
On sliding block and the second electric wire passes through wiring sliding block and the first wiring harness.As shown in a, b in Figure 10, the second electric wire passes through wiring
Sliding block slides on the first electric wire, can increase and shorten the effective length of the first electric wire and the second electric wire, and electric wire spring plays
Reset the purpose of effective length.
As shown in Figure 10, above-mentioned expandable electric wire mechanism also includes flexible pipe, and flexible pipe is nested in the first wire terminations, wiring sliding block
Flexible pipe can be compressed.
Said wires spring is extension spring.
Above-mentioned traversing spring is extension spring.
As shown in Fig. 2 it also includes limited block, limited block is arranged on foreboard, and has gap with triggering lever, spacing
Block is located at lever turn hole both sides respectively with top bar.
In summary, multiple element mounting shell is arranged on the rear side of bottom plate, bottom plate front side by connecting support in the present invention
Reinforcing plate is installed, reinforcing plate is slided on traversing guide rail by traversing sliding block and being slidably matched for traversing guide rail, reinforcing plate with
Traversing spring is installed side by side up and down, reinforcing plate is arranged at another side plate, now the amount of tension of traversing spring between side plate
It is maximum.Triggering lever is installed on vertical pivot in addition, and triggering lever is limited by many top bars being arranged on foreboard
Swing, serving prevents from triggering the purpose that lever surrounds vertical axis, and the top flat now installed on triggering lever just can be stable
Reliably block reinforcing plate.The present invention when foreboard is hit to the electrical equipment in regulator cubicle mainly for protecting.Before
It is two kinds that plate, which hits punishment, face reinforcing plate inside the position that the first foreboard is knocked, and the foreboard and reinforcing plate of regulator cubicle will
Common confrontation impact, there is preferable crashworthiness effect, but unavoidable foreboard has larger deformed depression when hitting, it is larger
Deformed depression be readily extended to the jacking block installed position of foreboard, if depression extends up to foreboard at jacking block, foreboard it is recessed
It is sunken that jacking block can be made internally raised so that triggering lever surrounds vertical axis, and top flat, which is tilted, makes reinforcing plate under the action of the spring
Quickly moved to opposite side, now boss will lose defencive function, so design limited block, now limited block also can be preceding
It is inwardly protruding under the effect of plate depression, and because limited block installation site than jacking block installation site closer at shock,
The inwardly protruded degree of limited block is bigger than jacking block, and it can realize interference to triggering lever, prevent from pushing up when triggering lever rotation
Piece tilts, and reinforcing plate is in the inside for being knocked foreboard；Second, the inside of Board position does not have face reinforcing plate before shock,
Now the depression of foreboard can make jacking block internally raised so that triggering lever surrounds vertical axis, and top flat, which is tilted, makes reinforcing plate
Quickly moved to opposite side under the action of the spring, now boss can be just in inside the foreboard being knocked, and played and be total to foreboard
With the purpose of confrontation impact, limited block with triggering lever because keep certain gap, even if impact extends to limited block
Installation site because the installation site of jacking block than limited block installation site closer at shock, limited block will not be to triggering
Lever plays interference effect.Present invention utilizes can be played with traversing reinforcing plate with less steel plate to foreboard direction
Protection comprehensively, has preferable using effect.
Claims (5)
- A kind of 1. crashworthiness regulator cubicle of traversing reinforcing plate, it is characterised in that：It includes back plate, bottom plate, top plate, side plate, foreboard, member Part mounting shell, reinforcing plate, connection support, traversing sliding block, vertical pivot, traversing guide rail, fixed hub, traversing spring, traversing guide groove, Expandable electric wire mechanism, trigger mechanism, wherein foreboard, two side plates, back plate are installed on bottom plate and cross section is rectangle, top plate Installed in foreboard, back plate and two side plate upper ends；16 element mounting shells are divided into four rows and two-by-two by connecting support peace Mounted in bottom plate side；Two traversing guide rails difference are symmetrical above and below to be arranged on bottom plate and top plate, is provided with each traversing guide rail Traversing guide groove, two traversing sliding blocks each are installed in the traversing guide groove of traversing guide rail；Reinforcing plate passes through upper and lower four horizontal strokes Sliding block is moved to be arranged on two traversing guide rails；Two traversing springs are arranged between reinforcing plate side and side plate side by side；Vertical pivot one End is arranged on the traversing guide rail centre position on bottom plate by fixed hub, and the other end is arranged on top plate by fixed hub Traversing guide rail centre position；Two trigger mechanisms are arranged on foreboard side by side up and down；Above-mentioned two trigger mechanism structure is identical with mounting means, for wherein any one, it include top flat, triggering thick stick Bar, top bar, lever turn hole, wherein top flat are arranged on triggering lever one end, and triggering lever is arranged on by the lever turn hole of centre On vertical pivot；Seven top bars are arranged on foreboard side by side, and push up triggering lever of the bar with the lever turn hole side of triggering lever It is fixed；The top flat installed on triggering lever blocks reinforcing plate；Electrical equipment is installed in said elements mounting shell, it is necessary to connect between the electrical equipment being powered by expandable electric wire mechanism Connect；Above-mentioned expandable electric wire mechanism includes the first electric wire, electric wire spring anchor block, electric wire spring, wiring sliding block, the second electric wire, its In the first electric wire be connected with electrical equipment, the second electric wire is connected with another electrical equipment；Electric wire spring anchor block is arranged on the On one electric wire, wiring sliding block is slided on the first electric wire；Electric wire spring is nested on the first electric wire and electric wire spring one end is installed On electric wire spring anchor block, the other end is arranged on wiring sliding block；Second electric wire is arranged on wiring sliding block and the second electric wire Pass through wiring sliding block and the first wiring harness.
- A kind of 2. crashworthiness regulator cubicle of traversing reinforcing plate according to claim 1, it is characterised in that：Above-mentioned expandable electric wire machine Structure also includes flexible pipe, and flexible pipe is nested in the first wire terminations, and wiring sliding block can compress flexible pipe.
- A kind of 3. crashworthiness regulator cubicle of traversing reinforcing plate according to claim 1, it is characterised in that：Said wires spring is Extension spring.
- A kind of 4. crashworthiness regulator cubicle of traversing reinforcing plate according to claim 1, it is characterised in that：Above-mentioned traversing spring For extension spring.
- A kind of 5. crashworthiness regulator cubicle of traversing reinforcing plate according to claim 1, it is characterised in that：It also includes spacing Block, limited block are arranged on foreboard, and have gap with triggering lever, and limited block is located at lever turn hole both sides respectively with top bar.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550492.0A CN106163153B (en) | 2016-07-13 | 2016-07-13 | A kind of crashworthiness regulator cubicle of traversing reinforcing plate |
| PCT/CN2016/097913 WO2018010279A1 (en) | 2016-07-13 | 2016-09-02 | Impact-resistant electrical cabinet with lateral-movement reinforcing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610550492.0A CN106163153B (en) | 2016-07-13 | 2016-07-13 | A kind of crashworthiness regulator cubicle of traversing reinforcing plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106163153A CN106163153A (en) | 2016-11-23 |
| CN106163153B true CN106163153B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610550492.0A Active CN106163153B (en) | 2016-07-13 | 2016-07-13 | A kind of crashworthiness regulator cubicle of traversing reinforcing plate |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106163153B (en) |
| WO (1) | WO2018010279A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020033273A1 (en) * | 2018-08-04 | 2020-02-13 | AbCyte Therapeutics Inc. | Multi-function and multi-targeting car system and methods for use thereof |
| CN112584656B (en) * | 2020-12-30 | 2022-03-22 | 江苏华林电力科技有限公司 | Electrical cabinet with orderly-arranged connecting wires |
| CN112867334B (en) * | 2021-02-02 | 2022-05-17 | 山东电子职业技术学院 | Computer network isolating device |
| CN113966130B (en) * | 2021-09-13 | 2024-03-01 | 深圳壹卡科技有限公司 | Circuit board capable of preventing crushing during crushing of equipment shell |
| CN114916182B (en) * | 2022-04-07 | 2024-02-27 | 刘维岗 | Protection equipment for big data server of computer |
| CN115557673B (en) * | 2022-07-04 | 2023-09-29 | 湖南昊月灯饰有限公司 | Pneumatic glass forming device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2843975A1 (en) * | 2013-02-28 | 2014-08-28 | Hubbell Incorporated | Electrical box extension assembly |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8704107B2 (en) * | 2009-11-17 | 2014-04-22 | Allied Moulded Products, Inc. | Electrical box with adjustable mounting system |
| CN103313545A (en) * | 2012-03-07 | 2013-09-18 | 上海信赖实业有限公司 | Mechanism for preventing collision in closing side door of electric cabinet |
| CN204069585U (en) * | 2014-09-18 | 2014-12-31 | 浙江兆山电器有限公司 | Regulator cubicle |
| CN105517381A (en) * | 2014-09-25 | 2016-04-20 | 天津鑫金维网络技术有限公司 | Double-layer quakeproof cabinet |
| CN204634178U (en) * | 2015-04-06 | 2015-09-09 | 成都科特柯本科技有限公司 | A kind of Novel portable regulator cubicle |
| CN204539643U (en) * | 2015-05-11 | 2015-08-05 | 盛跃丹 | A kind of frame-type electric box |
| CN204906895U (en) * | 2015-09-15 | 2015-12-23 | 温州冲亚电子科技有限公司 | High strength electric appliance cabinet |
-
2016
- 2016-07-13 CN CN201610550492.0A patent/CN106163153B/en active Active
- 2016-09-02 WO PCT/CN2016/097913 patent/WO2018010279A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2843975A1 (en) * | 2013-02-28 | 2014-08-28 | Hubbell Incorporated | Electrical box extension assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018010279A1 (en) | 2018-01-18 |
| CN106163153A (en) | 2016-11-23 |
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Inventor after: Fan Chenjing Inventor after: Zhang Jiang Inventor after: Chen Yuxiao Inventor after: An Yang Inventor before: Liu Chao |
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Effective date of registration: 20171010 Address after: 210003 No. 311, Zhongshan North Road, Jiangsu, Nanjing Applicant after: CHINA COMSERVICE ENERGY-SAVING TECHNOLOGY SERVICE CO., LTD. Address before: 518000 Guangdong city of Shenzhen province Futian District Fuhua Road No. 6 Building 1403 business tax Applicant before: Liu Chao |
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