CN108390167A - Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function - Google Patents
Electric Appliance Cabinet earthing or grounding means with real-time detection ground state and warning function Download PDFInfo
- Publication number
- CN108390167A CN108390167A CN201810417213.2A CN201810417213A CN108390167A CN 108390167 A CN108390167 A CN 108390167A CN 201810417213 A CN201810417213 A CN 201810417213A CN 108390167 A CN108390167 A CN 108390167A
- Authority
- CN
- China
- Prior art keywords
- inner sleeve
- outer sleeve
- prong elements
- conducting prong
- sleeve
- 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.)
- Granted
Links
- 230000005283 ground state Effects 0.000 title claims description 21
- 238000011897 real-time detection Methods 0.000 title description 4
- 238000001514 detection method Methods 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229920003266 Leaf® Polymers 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The Electric Appliance Cabinet earthing or grounding means of the present invention, it is characterised in that：Including ground connection embedded board, outer sleeve, inner sleeve and arcuate conducting prong elements, outer sleeve is fixed on ground connection embedded board, and outer sleeve is internally provided with the conductive spring leaf being fixed on ground connection embedded board；Inner sleeve is with outer sleeve through being threadedly coupled；The top of inner sleeve is fixed with top plate, and through-hole is offered on top plate, and arcuate conducting prong elements are located in inner sleeve and are arranged through through-hole, and arcuate conducting prong elements, which are located at through-hole both sides, is both provided with limiting plate, and the top of arcuate conducting prong elements is provided with ground terminal.The Electric Appliance Cabinet earthing or grounding means of the present invention, by by inner sleeve precession to outer sleeve, realizing equipment ground.When needing carrying or mobile device, without disconnecting ground wire and ground terminal, by the way that inner sleeve is screwed out from outer sleeve, you can will connect wires, inner sleeve and arcuate conducting prong elements are moved together with equipment, avoid previous ground wire be not easy to it is mobile or the drawbacks of ground wire need to be destroyed.
Description
Technical field
The present invention relates to a kind of Electric Appliance Cabinet earthing or grounding means, more specifically, more particularly to a kind of with detection ground connection in real time
The Electric Appliance Cabinet earthing or grounding means of state and warning function.
Background technology
Earthing or grounding means is the equipment electrical connection is constituted between electrical equipment or other objects and ground, electrical to realize
The purpose that system is connected with the earth, can be assigned to certain electric function, such as connect to make system earth, protective grounding or signal
Ground.The electrical cabinet bottom of installation electrical equipment is often equipped with earthing or grounding means, so as to allow electrical equipment in electrical cabinet independently
Grounding connection.However existing the design of grounding is more traditional, installs very troublesome.It needs to dismantle in electrical cabinet and carry
Or when moving position, existing earthing or grounding means separation is cumbersome, increases inconvenience to the dismounting of electrical cabinet.
And existing earthing or grounding means is substantially once mounting, uses throughout one's life, is influenced by working environment, during use
It is possible that earthing or grounding means earthing failure or bad phenomenon, if cannot find in time, if the appearance high pressure leakage of equipment
Electricity may result in whole equipment electrification, and then can cause electric shock accidents；It is bad if it is signal ground, then it can lead to equipment
Data can not normal transmission.
Invention content
The shortcomings that present invention is in order to overcome above-mentioned technical problem provides a kind of with detection ground state and alarm in real time
The Electric Appliance Cabinet earthing or grounding means of function.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, it is characterised in that：Packet
Ground connection embedded board, outer sleeve, inner sleeve and arcuate conducting prong elements are included, outer sleeve is fixed on ground connection embedded board, on the inner wall of outer sleeve
It is provided with internal thread, the bottom of outer sleeve internal cavities is provided with the conductive spring leaf being fixed on ground connection embedded board；Inner sleeve
Outer wall on be provided with the matched external screw thread of internal thread on outer copper sheathing, to realize the threaded connection of inner sleeve and outer sleeve；
The top of inner sleeve is fixed with top plate, and through-hole is offered on top plate, and arcuate conducting prong elements are located in inner sleeve and are arranged through through-hole,
Arcuate conducting prong elements fit with the through hole, and arcuate conducting prong elements, which are located at through-hole both sides, is both provided with limiting plate, the top of the arcuate conducting prong elements
End is provided with the ground terminal being connected with ground wire.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, the conductive spring leaf
Length for upper prominent arcuate shape, arcuate conducting prong elements meets：After inner sleeve is screwed in into outer sleeve, arcuate conducting prong elements are to power spring
Piece is in pressurized state.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, the ground connection embedded board
On be fixed with positioning sleeve, the mode that the lower end of outer sleeve is threadedly coupled or is interference fitted is fixed on positioning sleeve.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, the ground connection embedded board
Using conductive material, outer sleeve, inner sleeve and top plate are all made of hard PVC, and inner sleeve and top plate are structure as a whole.
The Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time of the present invention, including equipment ground shape
Send out the warning device of alarm signal when state is bad, warning device by shell, the control circuit being set in shell, loud speaker and
Alarm lamp forms, and loud speaker and alarm lamp may be contained on shell；The top of arcuate conducting prong elements is provided with the first measurement
Terminals are grounded on embedded board and are fixed with the second measurement terminals, and control circuit measures cable through two and measured respectively with first
Terminals and the second measurement terminals are connected.
The present invention have in real time detection ground state and warning function Electric Appliance Cabinet earthing or grounding means, the control circuit by
Microcontroller, resistance measuring circuit and power module composition, the input terminal of resistance measuring circuit and the first measurement terminals and the
Two measurement terminals are connected, and output end is connected with microcontroller；Power module is to resistance measuring circuit, microcontroller, report
Alert indicator light, loud speaker provide constant voltage dc source.
The beneficial effects of the invention are as follows：The Electric Appliance Cabinet with real-time detection ground state and warning function of the present invention connects
Ground device, outer sleeve are fixed on ground connection embedded board, conductive spring leaf are provided in outer sleeve, arcuate conducting prong elements are set to inner sleeve
In and be rotatably arranged on top plate, the top of arcuate conducting prong elements is provided with ground terminal；In use, by by inner sleeve precession extremely
In outer sleeve, you can realize the electrical connection of arcuate conducting prong elements and conductive spring leaf, and then realize the ground connection of arcuate conducting prong elements, pass through
The ground wire of equipment is connected on ground terminal, the ground connection of equipment is also achieved.When needing carrying or mobile device, it is not necessarily to
Disconnect ground wire and ground terminal（It is destructive disconnect under normal conditions）Connection, by the way that inner sleeve is revolved from outer sleeve
Go out, you can will connect wires, inner sleeve and arcuate conducting prong elements are moved together with equipment, avoid previous ground wire and be not easy to mobile or need
The drawbacks of destroying ground wire.
Further, by the way that the warning device being made of shell, control circuit, loud speaker and alarm lamp, control is arranged
Resistance measurement of the circuit processed between arcuate conducting prong elements and ground connection embedded board, shows imperfect earth when resistance is greater than the set value or connects
Ground disconnects, then sends out acoustic-optic alarm, reminds related personnel to check and handle, solves the ground connection of existing grounding apparatus
The problem of state can not monitor in real time.
Description of the drawings
Fig. 1 is the structural representation with the Electric Appliance Cabinet earthing or grounding means of detection ground state and warning function in real time of the present invention
Figure；
Fig. 2 is the sectional view with the Electric Appliance Cabinet earthing or grounding means of detection ground state and warning function in real time of the present invention；
Fig. 3 is the structural schematic diagram in inner sleeve precession outer sleeve in the present invention；
Fig. 4 is the schematic diagram of control circuit in the present invention.
In figure：1 ground connection embedded board, 2 outer sleeves, 3 inner sleeves, 4 top plates, 5 arcuate conducting prong elements, 6 conductive spring leafs, 7 ground terminals
Son, 8 through-holes, 9 limiting plates, 10 positioning sleeves, 11 warning devices, 12 first measure terminals, and 13 second measure terminals, and 14 raise one's voice
Device, 15 alarm lamps, 16 measure cable, 17 microcontrollers, 18 resistance measuring circuits, 19 power modules.
Specific implementation mode
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the electric appliance with detection ground state and warning function in real time of the present invention is set forth
The structural schematic diagram and sectional view of cabinet earthing or grounding means, shown in have in real time that detection ground state and the Electric Appliance Cabinet of warning function connect
Ground device is by 11 groups of ground connection embedded board 1, outer sleeve 2, inner sleeve 3, top plate 4, arcuate conducting prong elements 5, conductive spring leaf 6 and warning device
At, ground connection embedded board 1 is constructed from a material that be electrically conducting for fixing on the ground or be embedded among ground, with realize with the earth or
Other objects（Such as ship）Conduct.Outer sleeve 2 is fixed on ground connection embedded board 1, and interior spiral shell is provided on the inner wall of outer sleeve 2
Line, conductive spring leaf 6 are arcuate shape, and conductive spring leaf 6 is located at the bottom of 2 internal cavities of outer sleeve, the power spring of arc
The prominent form of 6 or more piece is fixed on ground connection embedded board 1, to realize and be grounded being electrically connected for embedded board 1.
External screw thread is provided on the outer surface of shown inner sleeve 3, the outer diameter of inner sleeve 3 is equal with the internal diameter of outer sleeve 2, with
Just inner sleeve 3 is threadedly coupled with outer sleeve 2 so that inner sleeve 3 is inserted into outer sleeve 2.Top plate 4 is fixed on the upper end of inner sleeve 3,
Arcuate conducting prong elements 5 are located in the internal cavities of inner sleeve 3, and through-hole 8 is offered on top plate 4, and 5 via through holes 8 of arcuate conducting prong elements are pierced by.It is conductive
Inserted link 5 is clearance fit with through-hole, to ensure that arcuate conducting prong elements 5 can be freely rotated in through-hole 8；It is located on arcuate conducting prong elements 5
The position of 8 both sides of through-hole is respectively and fixedly provided with limiting plate 9, and to limit arcuate conducting prong elements 5, radially direction moves.The top of arcuate conducting prong elements 5
End is fixed with the ground terminal 7 being connected with the ground wire of equipment.
As shown in figure 3, the structural schematic diagram in the present invention in inner sleeve precession outer sleeve is given, in use, can be first
The ground wire of equipment and ground terminal 7 are connected, then screwed in inner sleeve 3 in outer sleeve 2 by tool, in outer sleeve
During 3 rotations, arcuate conducting prong elements 5 will not follow rotation, avoid to connect wires and turn-take and be destroyed；Inner sleeve 3 screws in
After in outer sleeve 2, arcuate conducting prong elements 5 are withstood on conductive spring leaf 6 so that ground wire by arcuate conducting prong elements 5, conductive spring leaf 6,
Embedded board 1 is grounded to be grounded.When needing mobile device, by screwing out inner sleeve 3, you can off device is grounded, without tearing open
It unloads ground wire or is destroyed, after equipment is moved to another location, using other outer sleeve for removing equipment, or only setting connects
Ground embedded board 1 and outer sleeve 2, and can realize the ground connection of equipment.
In order to realize fixation of the outer sleeve 2 on ground connection embedded board 1, stationary positioned 10 can be covered on ground connection embedded board 1, it will
The lower end of outer sleeve 2 is fixed on positioning sleeve 10.Threaded connection can be used in outer sleeve 2 or the mode of interference fit is fixed on positioning
On set 10.Shown outer sleeve 2, inner sleeve 3, top plate 4 are all made of hard PVC material, to ensure the insulation outside earthing or grounding means；It is interior
Sleeve 3 is structure as a whole with top plate 4.
Shown in warning device 11 by shell, the control circuit being set in shell, alarm lamp 15,14 groups of loud speaker
At alarm lamp 15 and loud speaker 14 are set on shell, realize sound-light alarm effect.As shown in figure 4, giving the present invention
The schematic diagram of middle control circuit is made of microcontroller 17, resistance measuring circuit 18 and power module 19, and microcontroller 17 has
There are acquisition, operation and control action, power module 19 to provide steady dc voltage to the work of each module.Arcuate conducting prong elements 5
Top is provided with the first measurement terminals 12, is grounded on embedded board 1 and is fixed with the second measurement terminals 13.
Resistance measuring circuit 18 is connected with the input terminal of resistance measuring circuit 18 respectively through two measurement cables 16, and resistance is surveyed
The output of amount circuit 18 is connected with microcontroller 17 so that microcontroller 17 obtains first and measures the measurement of terminals 12 and second
Resistance value between terminals 13.Between microcontroller 17 detects that the first measurement terminals 12 and second measure terminals 13
Resistance value be more than setting value when, then control alarm lamp 15 and loud speaker 14 send out sound and light alarm signal, with alert device
Ground connection is broken down, so that related personnel takes measures.
Claims (6)
1. a kind of Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time, it is characterised in that：Including ground connection
Embedded board（1）, outer sleeve（2）, inner sleeve（3）And arcuate conducting prong elements（5）, outer sleeve, which is fixed on, to be grounded on embedded board, outer sleeve
Internal thread is provided on inner wall, the bottom of outer sleeve internal cavities is provided with the conductive spring leaf being fixed on ground connection embedded board
（6）；Be provided on the outer wall of inner sleeve with the matched external screw thread of internal thread on outer copper sheathing, to realize inner sleeve and outer sleeve
It is threadedly coupled；The top of inner sleeve is fixed with top plate（4）, through-hole is offered on top plate（8）, arcuate conducting prong elements are located in inner sleeve simultaneously
It is arranged through through-hole, arcuate conducting prong elements fit with the through hole, and arcuate conducting prong elements, which are located at through-hole both sides, is both provided with limiting plate
（9）, the top of the arcuate conducting prong elements is provided with the ground terminal being connected with ground wire（7）.
2. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1, special
Sign is：The conductive spring leaf（6）For upper prominent arcuate shape, arcuate conducting prong elements（5）Length meet：Inner sleeve（3）It screws in
To outer sleeve（3）In after, arcuate conducting prong elements are in pressurized state to conductive spring leaf.
3. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2,
It is characterized in that：The ground connection embedded board（1）On be fixed with positioning sleeve（10）, outer sleeve（2）Lower end be threadedly coupled or interference
The mode of cooperation is fixed on positioning sleeve.
4. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2,
It is characterized in that：The ground connection embedded board（1）Using conductive material, outer sleeve（2）, inner sleeve（3）And top plate（4）It is all made of hard
PVC plastic, inner sleeve and top plate are structure as a whole.
5. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2,
It is characterized in that：The warning device of alarm signal is sent out when bad including equipment ground state（11）, warning device is by shell, setting
Control circuit, loud speaker in shell（14）And alarm lamp（15）Composition, loud speaker and alarm lamp may be contained within
On shell；Arcuate conducting prong elements（5）Top be provided with the first measurement terminals（12）, it is grounded embedded board（1）On be fixed with the second survey
Measure terminals（13）, control circuit is through two measurement cables（16）Terminals and second are measured with first respectively and measure terminals phase
Connection.
6. the Electric Appliance Cabinet earthing or grounding means with detection ground state and warning function in real time according to claim 1 or 2,
It is characterized in that：The control circuit is by microcontroller（17）, resistance measuring circuit（18）And power module（19）Composition, resistance are surveyed
The input terminal and first for measuring circuit measure terminals（12）Terminals are measured with second（13）It is connected, output end and microcontroller
It is connected；Power module provides constant voltage dc source to resistance measuring circuit, microcontroller, alarm lamp, loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417213.2A CN108390167B (en) | 2018-05-04 | 2018-05-04 | Electrical cabinet grounding device with real-time grounding state detection and alarm functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810417213.2A CN108390167B (en) | 2018-05-04 | 2018-05-04 | Electrical cabinet grounding device with real-time grounding state detection and alarm functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108390167A true CN108390167A (en) | 2018-08-10 |
| CN108390167B CN108390167B (en) | 2023-12-12 |
Family
ID=63066240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810417213.2A Active CN108390167B (en) | 2018-05-04 | 2018-05-04 | Electrical cabinet grounding device with real-time grounding state detection and alarm functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108390167B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470976A (en) * | 2018-11-09 | 2019-03-15 | 珠海优特电力科技股份有限公司 | Grounding wire device and its condition detection method |
| CN110504605A (en) * | 2019-09-18 | 2019-11-26 | 上海阿卡得电子有限公司 | Switch ground connector |
| CN110519948A (en) * | 2019-08-09 | 2019-11-29 | 置恒卓能电气科技(滁州)有限公司 | A kind of blindmate ground connection clamping piece structure of electrical cabinet cabinet |
| CN113567893A (en) * | 2021-06-29 | 2021-10-29 | 华能巢湖发电有限责任公司 | Ground wire joint monitoring device connected through Internet of things |
| CN113805001A (en) * | 2021-09-09 | 2021-12-17 | 湖南电科院检测集团有限公司 | High-voltage product test device with protective measures |
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| CH495070A (en) * | 1968-04-23 | 1970-08-15 | Pfisterer Elektrotech Karl | Earthing device for switchgear or distribution systems |
| CN102540034A (en) * | 2012-03-16 | 2012-07-04 | 甘肃电力科学研究院 | High-voltage transformer bushing tap grounding on-line monitoring device |
| CN202395167U (en) * | 2011-12-27 | 2012-08-22 | 江苏省产品质量监督检验研究院 | Pluggable equipment-grounding device |
| CN103268991A (en) * | 2013-05-08 | 2013-08-28 | 国家电网公司 | Grounding device for 10kv cable branch box, ring main unit and ring main box |
| CN204613304U (en) * | 2015-03-18 | 2015-09-02 | 驭雷(上海)机电科技有限公司 | A kind of stake resistance on-Line Monitor Device |
| CN204614584U (en) * | 2015-05-15 | 2015-09-02 | 深圳供电局有限公司 | A kind of end shield earthing device for oily formula sleeve pipe |
| CN105092981A (en) * | 2014-05-15 | 2015-11-25 | 常州帕斯菲克自动化技术股份有限公司 | Grounding resistor on-line monitor |
| CN205264436U (en) * | 2015-12-24 | 2016-05-25 | 江苏神马电力股份有限公司 | End is shielded earthing device and is had device's transformer bushing |
| CN107275815A (en) * | 2017-07-12 | 2017-10-20 | 中国人民解放军63926部队 | Formula ground concealed installation ground terminal box and its installation method are inserted a kind ofly |
| CN208240895U (en) * | 2018-05-04 | 2018-12-14 | 山东交通学院 | A kind of Electric Appliance Cabinet earthing or grounding means |
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2018
- 2018-05-04 CN CN201810417213.2A patent/CN108390167B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH495070A (en) * | 1968-04-23 | 1970-08-15 | Pfisterer Elektrotech Karl | Earthing device for switchgear or distribution systems |
| CN202395167U (en) * | 2011-12-27 | 2012-08-22 | 江苏省产品质量监督检验研究院 | Pluggable equipment-grounding device |
| CN102540034A (en) * | 2012-03-16 | 2012-07-04 | 甘肃电力科学研究院 | High-voltage transformer bushing tap grounding on-line monitoring device |
| CN103268991A (en) * | 2013-05-08 | 2013-08-28 | 国家电网公司 | Grounding device for 10kv cable branch box, ring main unit and ring main box |
| CN105092981A (en) * | 2014-05-15 | 2015-11-25 | 常州帕斯菲克自动化技术股份有限公司 | Grounding resistor on-line monitor |
| CN204613304U (en) * | 2015-03-18 | 2015-09-02 | 驭雷(上海)机电科技有限公司 | A kind of stake resistance on-Line Monitor Device |
| CN204614584U (en) * | 2015-05-15 | 2015-09-02 | 深圳供电局有限公司 | A kind of end shield earthing device for oily formula sleeve pipe |
| CN205264436U (en) * | 2015-12-24 | 2016-05-25 | 江苏神马电力股份有限公司 | End is shielded earthing device and is had device's transformer bushing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470976A (en) * | 2018-11-09 | 2019-03-15 | 珠海优特电力科技股份有限公司 | Grounding wire device and its condition detection method |
| CN109470976B (en) * | 2018-11-09 | 2024-03-15 | 珠海优特电力科技股份有限公司 | Grounding wire device and state detection method thereof |
| CN110519948A (en) * | 2019-08-09 | 2019-11-29 | 置恒卓能电气科技(滁州)有限公司 | A kind of blindmate ground connection clamping piece structure of electrical cabinet cabinet |
| CN110504605A (en) * | 2019-09-18 | 2019-11-26 | 上海阿卡得电子有限公司 | Switch ground connector |
| CN113567893A (en) * | 2021-06-29 | 2021-10-29 | 华能巢湖发电有限责任公司 | Ground wire joint monitoring device connected through Internet of things |
| CN113805001A (en) * | 2021-09-09 | 2021-12-17 | 湖南电科院检测集团有限公司 | High-voltage product test device with protective measures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108390167B (en) | 2023-12-12 |
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