CN107275815A - Formula ground concealed installation ground terminal box and its installation method are inserted a kind ofly - Google Patents
Formula ground concealed installation ground terminal box and its installation method are inserted a kind ofly Download PDFInfo
- Publication number
- CN107275815A CN107275815A CN201710564478.0A CN201710564478A CN107275815A CN 107275815 A CN107275815 A CN 107275815A CN 201710564478 A CN201710564478 A CN 201710564478A CN 107275815 A CN107275815 A CN 107275815A
- Authority
- CN
- China
- Prior art keywords
- ground terminal
- insulation board
- panel
- ground
- support
- 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
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2483—Terminal blocks specially adapted for ground connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
Formula ground concealed installation ground terminal box and its installation method are inserted the invention discloses a kind of, terminal board includes housing, ground terminal assemblies, cover plate；Ground terminal assemblies include support, panel, insulation board and ground terminal, panel is arranged on the top of support, insulation board is fixed on cradle bottom surface, ground terminal is passed through and is fixed on insulation board, ground terminal inserts enclosure interior, the lower edge of panel and the upper of housing are along connecting, and middle panel is provided with opening, and cover plate is movably connected at opening；The installation method of the terminal board includes：Housing is pre-buried, the connection of insulation board and ground terminal, the connection of insulation board and support, the connecting of support and panel, the connection of pre-buried ground wire, the connection of ground terminal assemblies and housing, cover the steps such as cover plate.The invention provides it is a kind of be easy to wiring and take out stitches, the ground concealed installation ground terminal box and its installation method that protective value is good.
Description
Technical field
It is applied to factory building, operation room and laboratory the invention belongs to electric engineering construction technical field, more particularly to one kind
Insert formula ground concealed installation ground terminal box and its installation method in ground Deng the place for having strict demand to grounding resistance.
Background technology
Present precision equipment is very high to ground connection system requirements, and some hall spaces are open, and equipment is in factory building away from wall
Face farther out, need to set ground ground terminal box, it is desirable to can bear certain pressure, sturdy and durable, while to facilitate equipment with connecing
The wiring and dismounting in place.Or the ground terminal box of in the market is closed, wiring, dismounting are inconvenient；Structure is excessively
Simply, metal part lacks protection, influences touchdown accuracy, is not adapted to the ground terminal box of demand.
The content of the invention
For solve drawbacks described above, the technical problem to be solved in the present invention is to provide one kind be easy to wiring and take out stitches, protectiveness
Ground concealed installation ground terminal box and its installation method that can be good.
Formula ground concealed installation ground terminal box is inserted a kind ofly, is included the housing of cylinder, is arranged on the earth terminal above housing
Cover plate above sub-component, and ground terminal assemblies；The ground terminal assemblies include support, panel, insulation board and earth terminal
Son, panel is arranged on the top of support, and insulation board is fixed on the upper surface of cradle bottom surface, and the ground terminal is passed through and fixed
On insulation board, ground terminal insertion enclosure interior, the lower edge of panel and the upper of housing are along connecting, and middle panel is provided with opening,
Cover plate is movably connected at the opening of middle panel.
Further, the ground terminal passes through insulation board, and pad and one are set respectively in the upper and lower ends of insulation board
Ground terminal, is fixed on insulation board by fixing nut by tightening fixing nut；The top of ground terminal sets wing nut,
The wing nut is located at the top of the fixing nut of insulation board upper end；The bottom of ground terminal sets traveling nut, the work
Dynamic nut is located at the lower section of the fixing nut of insulation board lower end.
Further, connects chain is set between the wing nut and insulation board；Connects chain is set between the cover plate and support.
Further, criss-crossing reinforcing ribs are set on the inside of the cover plate.
Further, the housing includes being provided with to enter for cable on side plate and bottom plate, upper opening, the bottom plate of housing
The hole of line.
Further, surrounding sets perforate on the insulation board, and the bottom surface of support sets corresponding with the perforate reserved
Hole, passes through the perforate and reserving hole by screw, insulation board is fixedly connected with support.
Further, the support has the upward supporting leg being connected with bottom surface, and the panel has downward supporting leg,
The supporting leg of support and the supporting leg of panel are provided with corresponding screwed hole, and penetrating screwed hole by bolt is fixedly connected with support and face
Plate.
Further, two open holes are set on the cover plate, and the ground terminal is also configured with cover plate opener, institute
State cover plate opener and be provided with the insertion end matched with described two open holes；Open hole swivelling cover is inserted by insertion end
Plate.
The installation method of formula ground concealed installation ground terminal box is inserted a kind ofly, and the terminal board includes the housing of cylinder, if
Put the ground terminal assemblies above housing, and the cover plate above ground terminal assemblies；The ground terminal assemblies include support,
Panel, insulation board and ground terminal, panel are arranged on the top of support, and insulation board is fixed on the upper surface of cradle bottom surface, institute
State ground terminal to pass through and be fixed on insulation board, ground terminal insertion enclosure interior, the lower edge of panel and the upper of housing are along even
Connect, middle panel is provided with opening, cover plate is movably connected at the opening of middle panel；Including following installation steps：
1）Housing it is pre-buried：It is when ground concrete is constructed that housing is pre-buried, along less than ground on housing；
2）The connection of insulation board and ground terminal：Binding post is passed through into insulation board, pad and each fixation is used respectively up and down
Nut is fixed on insulation board, and the top of the fixing nut of insulation board upper end adds a stubborn wing nut；Insulation board lower end is consolidated
Determine again to add below nut and twist a traveling nut；
3）The connection of insulation board and support：In the surrounding perforate of insulation board, make reserved on perforate size, position and cradle bottom surface
Hole is consistent, passes through the perforate and reserving hole by screw, insulation board is fixedly connected with support；
4）The connection of support and panel：The support for installing insulation board is fixedly connected by bolt with panel；
5）The connection of pre-buried ground wire：Pre-buried ground wire is wrapped in ground terminal lower removable nut and insulation board lower end
Position between fixing nut, tightens traveling nut, has been fixedly connected with pre-buried ground wire；
6）The connection of ground terminal assemblies and housing：By the above-mentioned earth terminal for connecting support, panel, insulation board and ground terminal
Sub-component is put into housing, panel is fallen at shell rim, and panel upper surface is concordant with ground；
7）Cover cover plate.
Further, ground wire is made into forked element, cover plate is opened when using, by forked element be connected to wing nut with
Between the fixing nut of insulation board upper end, wing nut is tightened, you can used as earth point.
Beneficial effects of the present invention：
1）The invention provides it is a kind of be easy to wiring and take out stitches, the ground concealed installation ground terminal box that protective value is good and its installation side
Method；
2）The ground concealed installation ground terminal box is equipped with simple cover plate device for opening, cover plate is opened when using, you can in wiring
Terminal carries out wiring, simple to operate；
3）Terminal lid plate can bear loading machine and roll, and substantially meet the heavily loaded ground requirement of factory building；Especially after testing, exist
In the case that earth bus is improved, grounding resistance can generally reach less than 0.4 ohm, minimum up to less than 0.1 ohm, satisfaction examination
Test demand.
Invention is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is to insert formula ground concealed installation ground terminal box decomposition texture schematic diagram of the inventionly；
Fig. 2 is the side view after Fig. 1 middle cover closing lid plates；
Fig. 3 is structural representation after insulation board is combined with insulated terminal；
Fig. 4 is housing top view；
Fig. 5 is support top view.
Reference：1. housing；2. support；3. insulation board；4. panel；5. cover plate；6. opening device；7. ground terminal；
8. wing nut；9. the fixing nut of insulation board upper end；10. the fixing nut of insulation board lower end；11. traveling nut.
Embodiment
Embodiment 1
As shown in Fig. 1 ~ 5, formula ground concealed installation ground terminal box is inserted a kind ofly, includes the housing 1 of cylinder, is arranged on housing 1
The ground terminal assemblies of side, and the cover plate 5 above ground terminal assemblies；The ground terminal assemblies include support 2, panel 4, absolutely
Listrium 3 and ground terminal 7, panel 4 are arranged on the top of support 2, and insulation board 3 is fixed on the upper surface of the bottom surface of support 2, described
Ground terminal 7 is passed through and is fixed on insulation board 3, and inside the insertion housing 1 of ground terminal 7, the lower edge of panel 4 is upper with housing 1
Along connection, the middle part of panel 4 is provided with opening, and cover plate 5 is movably connected at the opening at the middle part of panel 4.
Ground terminal 7 passes through insulation board 3, and pad and a fixing nut are set respectively in the upper and lower ends of insulation board 3, leads to
Cross and tighten fixing nut ground terminal 7 is fixed on insulation board 3；The top of ground terminal 7 sets wing nut 8, the butterfly
Shape nut 8 is located at the top of the fixing nut 9 of insulation board upper end；The bottom of ground terminal sets traveling nut 11, the activity
Nut 11 is located at the lower section of the fixing nut 10 of insulation board lower end.
Connects chain is set between wing nut 8 and insulation board 3；Connects chain is set between the cover plate 5 and support 2.
The inner side of cover plate 5 sets criss-crossing reinforcing ribs.
Housing 1 includes being provided with the hole for long cable section of ingoing line on side plate and bottom plate, upper opening, the bottom plate of housing.
Surrounding sets perforate on insulation board 3, and the bottom surface of support 2 sets reserving hole corresponding with the perforate, passes through spiral shell
Insulation board is fixedly connected by nail through the perforate and reserving hole with support.
Support 2 has the upward supporting leg being connected with bottom surface, and the panel 4 has downward supporting leg, the supporting leg of support
The supporting leg of panel is provided with corresponding screwed hole, penetrating screwed hole by bolt is fixedly connected with support and panel.
Two open holes are set on cover plate 5, and the ground terminal is also configured with cover plate opener 6, and the cover plate is opened
Instrument 6 is provided with the insertion end matched with described two open holes；Open hole rotation cover 5 is inserted by insertion end.
In the present embodiment：
The ground terminal box generally cylindrical type, by housing 1, support 2, panel 4, insulation board 3, cover plate 5, binding post 7, butterfly
Nut 8, opening device 6, fixing nut etc. are constituted, and its medium-height trestle, panel, cover plate are 304 stainless steels, binding post and butterfly spiral shell
Mother is brass, and insulate 2 ~ 5mm of thickness of slab, and insulation board fixing screws are M4 stainless steel soket head cap screws.Connection is set between cover plate and support
Chain；Connects chain is set between wing nut and insulation board.
Housing 1 can in ground construction it is pre-buried in place, can use 304 stainless steels, produced simultaneously with miscellaneous part, it is also possible to
DN125 coating steel pipes interception 150mm welding steels block base, then open 30mm*60mm bar hole on base, are easy to cable to enter
Line.
Support 2, panel 4, cover plate 5, which make, to be needed to make mould respectively, then pours shaping, then polished with machine tool,
Drilling, polishing.
Binding post 7 uses M8 or M10 binding posts, with wing nut 8, convenient dismounting and installation.
Because the ground ground terminal box is used in factory building, facility floor has load-bearing requirements, to strengthen connecing
The bearing strength of ground terminal board, can be in the inner side of cover plate 5 plus criss-crossing reinforcing ribs.
Two holes are opened in the correspondence position of cover plate 5, and make the opening device 6 of diagram, insertion hole is rotated or laterally exerted oneself
Cover plate can be opened.
Embodiment 2
The installation method of formula ground concealed installation ground terminal box is inserted a kind ofly, and the terminal board is that the terminal board in embodiment 1 includes
The housing 1 of cylinder, is arranged on the ground terminal assemblies of the top of housing 1, and the cover plate 5 above ground terminal assemblies；It is described to connect
Ground terminal assemblies include support 2, panel 4, insulation board 3 and ground terminal 7, and panel 4 is arranged on the top of support 2, and insulation board 3 is consolidated
On the upper surface for being scheduled on the bottom surface of support 2, the ground terminal 7 is passed through and is fixed on insulation board 3, the insertion housing 1 of ground terminal 7
Inside, the lower edge of panel 4 is with the upper of housing 1 along being connected, and the middle part of panel 4 is provided with opening, and cover plate 5 is movably connected in middle panel
At opening；Including following installation steps：
1）Housing it is pre-buried：It is when ground concrete is constructed that housing is pre-buried, along less than ground on housing；
2）The connection of insulation board and ground terminal：Binding post is passed through into insulation board, pad and each fixation is used respectively up and down
Nut is fixed on insulation board, and the top of the fixing nut of insulation board upper end adds a stubborn wing nut；Insulation board lower end is consolidated
Determine again to add below nut and twist a traveling nut；
3）The connection of insulation board and support：In the surrounding perforate of insulation board, make reserved on perforate size, position and cradle bottom surface
Hole is consistent, passes through the perforate and reserving hole by screw, insulation board is fixedly connected with support；
4）The connection of support and panel：The support for installing insulation board is fixedly connected by bolt with panel；
5）The connection of pre-buried ground wire：Pre-buried ground wire is wrapped in ground terminal lower removable nut and insulation board lower end
Position between fixing nut, tightens traveling nut, has been fixedly connected with pre-buried ground wire；
6）The connection of ground terminal assemblies and housing：By the above-mentioned earth terminal for connecting support, panel, insulation board and ground terminal
Sub-component is put into housing, panel is fallen at shell rim, and panel upper surface is concordant with ground；
7）Cover cover plate.
In the present embodiment, ground wire is made into forked element, cover plate is opened when using, forked element is connected to wing nut
Between the fixing nut of insulation board upper end, wing nut is tightened, you can used as earth point.
Claims (10)
1. formula ground concealed installation ground terminal box is inserted a kind ofly, it is characterised in that：Include the housing of cylinder, be arranged on above housing
Ground terminal assemblies, and the cover plate above ground terminal assemblies；The ground terminal assemblies include support, panel, insulation board
And ground terminal, panel is arranged on the top of support, and insulation board is fixed on the upper surface of cradle bottom surface, and the ground terminal is worn
Cross and be fixed on insulation board, ground terminal insertion enclosure interior, the lower edge of panel and the upper of housing are along connecting, and middle panel is set
There is opening, cover plate is movably connected at the opening of middle panel.
2. ground terminal box according to claim 1, it is characterised in that：The ground terminal passes through insulation board, in insulation
The upper and lower ends of plate set pad and a fixing nut respectively, and insulation board is fixed on by tightening fixing nut by ground terminal
On；The top of ground terminal sets wing nut, and the wing nut is located at the top of the fixing nut of insulation board upper end；Ground connection
The bottom of terminal sets traveling nut, and the traveling nut is located at the lower section of the fixing nut of insulation board lower end.
3. ground terminal box according to claim 2, it is characterised in that：Connection is set between the wing nut and insulation board
Chain；Connects chain is set between the cover plate and support.
4. ground terminal box according to claim 1, it is characterised in that：Criss-crossing reinforcing ribs are set on the inside of the cover plate.
5. ground terminal box according to claim 1, it is characterised in that：The housing includes side plate and bottom plate, and top is opened
Mouthful, the hole for long cable section of ingoing line is provided with the bottom plate of housing.
6. ground terminal box according to claim 1, it is characterised in that：Surrounding sets perforate, support on the insulation board
Bottom surface corresponding with perforate reserving hole is set, the perforate and reserving hole are passed through by screw, by insulation board and
Support is fixedly connected.
7. ground terminal box according to claim 1, it is characterised in that：The support is upward with what is be connected with bottom surface
Supporting leg, the panel has downward supporting leg, and the supporting leg of support and the supporting leg of panel are provided with corresponding screwed hole, pass through spiral shell
Bolt penetrates screwed hole and is fixedly connected with support and panel.
8. ground terminal box according to claim 1, it is characterised in that：Two open holes are set on the cover plate, it is described
Ground terminal is also configured with cover plate opener, and the cover plate opener is provided with the insertion matched with described two open holes
End；Open hole rotation cover is inserted by insertion end.
9. inserting the installation method of formula ground concealed installation ground terminal box a kind ofly, the terminal board includes the housing of cylinder, sets
Ground terminal assemblies above housing, and the cover plate above ground terminal assemblies；The ground terminal assemblies include support, face
Plate, insulation board and ground terminal, panel are arranged on the top of support, and insulation board is fixed on the upper surface of cradle bottom surface, described
Ground terminal is passed through and is fixed on insulation board, ground terminal insertion enclosure interior, and the lower edge of panel and the upper edge of housing are connected,
Middle panel is provided with opening, and cover plate is movably connected at the opening of middle panel；It is characterized in that：Including following installation steps：
1）Housing it is pre-buried：It is when ground concrete is constructed that housing is pre-buried, along less than ground on housing；
2）The connection of insulation board and ground terminal：Binding post is passed through into insulation board, pad and each fixation is used respectively up and down
Nut is fixed on insulation board, and the top of the fixing nut of insulation board upper end adds a stubborn wing nut；Insulation board lower end is consolidated
Determine again to add below nut and twist a traveling nut；
3）The connection of insulation board and support：In the surrounding perforate of insulation board, make reserved on perforate size, position and cradle bottom surface
Hole is consistent, passes through the perforate and reserving hole by screw, insulation board is fixedly connected with support；
4）The connection of support and panel：The support for installing insulation board is fixedly connected by bolt with panel；
5）The connection of pre-buried ground wire：Pre-buried ground wire is wrapped in ground terminal lower removable nut and insulation board lower end
Position between fixing nut, tightens traveling nut, has been fixedly connected with pre-buried ground wire；
6）The connection of ground terminal assemblies and housing：By the above-mentioned earth terminal for connecting support, panel, insulation board and ground terminal
Sub-component is put into housing, panel is fallen at shell rim, and panel upper surface is concordant with ground；
7）Cover cover plate.
10. the installation method of formula ground concealed installation ground terminal box is inserted according to claim 9ly, it is characterised in that：It will connect
Ground wire makes forked element, and cover plate is opened when using, and forked element is connected to the fixing nut of wing nut and insulation board upper end
Between, tighten wing nut, you can use as earth point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564478.0A CN107275815B (en) | 2017-07-12 | 2017-07-12 | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710564478.0A CN107275815B (en) | 2017-07-12 | 2017-07-12 | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107275815A true CN107275815A (en) | 2017-10-20 |
| CN107275815B CN107275815B (en) | 2023-06-23 |
Family
ID=60071951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710564478.0A Active CN107275815B (en) | 2017-07-12 | 2017-07-12 | Ground-inserted ground concealed-installation grounding terminal box and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107275815B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390167A (en) * | 2018-05-04 | 2018-08-10 | 山东交通学院 | Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273716A (en) * | 1995-03-30 | 1996-10-18 | Mitsubishi Electric Corp | Concrete structure and grounding structure of apparatus installed in concrete structure |
| CN2655441Y (en) * | 2003-10-24 | 2004-11-10 | 刘红林 | Equipotential grounding terminal box |
| CN2800282Y (en) * | 2005-04-29 | 2006-07-26 | 胡祖春 | Lightningproof earth resistance test terminal protection box for building |
| CN201430370Y (en) * | 2009-04-03 | 2010-03-24 | 天津电力建设公司 | Structure of temporary earth terminal box for equipment maintenance |
| CN106711888A (en) * | 2016-12-16 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Grounding cassette and application construction method thereof |
-
2017
- 2017-07-12 CN CN201710564478.0A patent/CN107275815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273716A (en) * | 1995-03-30 | 1996-10-18 | Mitsubishi Electric Corp | Concrete structure and grounding structure of apparatus installed in concrete structure |
| CN2655441Y (en) * | 2003-10-24 | 2004-11-10 | 刘红林 | Equipotential grounding terminal box |
| CN2800282Y (en) * | 2005-04-29 | 2006-07-26 | 胡祖春 | Lightningproof earth resistance test terminal protection box for building |
| CN201430370Y (en) * | 2009-04-03 | 2010-03-24 | 天津电力建设公司 | Structure of temporary earth terminal box for equipment maintenance |
| CN106711888A (en) * | 2016-12-16 | 2017-05-24 | 上海市政工程设计研究总院（集团）有限公司 | Grounding cassette and application construction method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390167A (en) * | 2018-05-04 | 2018-08-10 | 山东交通学院 | Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function |
| CN108390167B (en) * | 2018-05-04 | 2023-12-12 | 山东交通学院 | Electrical cabinet grounding device with real-time grounding state detection and alarm functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107275815B (en) | 2023-06-23 |
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