CN107370055B - A kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device - Google Patents
A kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device Download PDFInfo
- Publication number
- CN107370055B CN107370055B CN201710715041.2A CN201710715041A CN107370055B CN 107370055 B CN107370055 B CN 107370055B CN 201710715041 A CN201710715041 A CN 201710715041A CN 107370055 B CN107370055 B CN 107370055B
- Authority
- CN
- China
- Prior art keywords
- mesh enclosure
- insulation shell
- extinguishing arc
- voltage electrical
- electrical appliances
- 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.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 22
- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000012212 insulator Substances 0.000 claims abstract description 5
- 239000002365 multiple layer Substances 0.000 claims abstract description 4
- 238000004880 explosion Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Prevention Of Electric Corrosion (AREA)
- Insulators (AREA)
Abstract
The invention discloses a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting devices, including chassis vehicle and mesh enclosure, chassis roof is internally provided with unloader, extinguishing arc mechanism is connected at the top of unloader, the top left of extinguishing arc mechanism is equipped with cylindrical insulation shell, mesh enclosure is installed on insulation shell, operating groove is provided at the top of mesh enclosure, insulation shell is provided with prong among left side, prong is located at insulation shell inner part fitting electrode before being sequentially installed with from left to right, the insulator of multiple-layer overlapped shape and rear fitting electrode, preceding fitting electrode is connected with mesh enclosure by the sheet metal of outer ring, it is in-house that the right end of prong extends into extinguishing arc, attachment base is installed at the top of extinguishing arc mechanism, attachment base is connected with telescopic rod, mechanical linkage is connected at the top of telescopic rod, the left end of mechanical linkage is connected with tool tong, when guidance and elimination cutoff switch maintenance The electric arc of generation, while eliminating isolation and loading onto the induced current of generation, and guiding, guarantee the personal safety of service personnel.
Description
Technical field
The present invention relates to high-voltage electricity service technique field, specially a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device.
Background technique
In Phase of Electric Power Projects, it is often necessary to which examination and repair for high-pressure electrical equipment, what when maintenance had can power off operation, have
When need livewire work, in order to guarantee operation safety, need to increase safety isolation protective in maintenance and block and protected.It is existing
Safety isolation protective in technology blocks the fence that typically more easily insulate, and the structure for the fence that insulate all is fixed, nothing
Method is extended connection for different high-voltage electrical equipments, and causing the safety isolation protective applied in many occasions to block cannot be very
Good matches with high-voltage electrical equipment, covering cannot be protected to arrive there are biggish space, the effect of safety isolation protective is not
It is very well, to deposit the charging operation part being likely to be encountered in high-voltage electrical equipment in operation in use, it is hidden there is safety
Suffer from, and these existing safety isolation protectives block to be usually free of and are equipped with security protection detection and warning device, cannot examine
Safety isolation protective is detected when repairing operation blocks whether itself is safe and reliable, and especially in overcast and rainy wet weather, security isolation is anti-
Guardrail moisturizes after may adhering to steam, and insulation effect reduces, while during electrical overhaul, disconnecting switch is not
The effect of extinguishing arc, and apparatus for examination and repair is highly susceptible to faradic influence, is also not easy to the movement in maintenance equipment.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide a kind of High-Voltage Electrical Appliances maintenance safety isolating and protecting dress
It sets, can guide and eliminate the electric arc generated when cutoff switch maintenance, while eliminating the induced current that generation is loaded onto isolation, go forward side by side
Row guidance, guarantees the personal safety of service personnel.
The technical solution adopted by the present invention to solve the technical problems is: a kind of High-Voltage Electrical Appliances maintenance safety isolating and protecting dress
It sets, including chassis vehicle and mesh enclosure, the chassis roof is internally provided with unloader, is connected with extinguishing arc machine at the top of the unloader
Structure, the top left of the extinguishing arc mechanism is equipped with cylindrical insulation shell, is equipped with mesh enclosure on the insulation shell, described
It is provided with operating groove at the top of mesh enclosure, prong is provided among the insulation shell left side, and the prong extends transversely through absolutely
Edge shell, the prong be located at fitting electrode before insulation shell inner part is sequentially installed with from left to right, multiple-layer overlapped shape it is exhausted
Edge and rear fitting electrode, the preceding fitting electrode are connected with mesh enclosure by the sheet metal of outer ring, and the right end of the prong extends
It is in-house to enter extinguishing arc, attachment base is installed at the top of the extinguishing arc mechanism, and be provided between the attachment base and extinguishing arc mechanism
Insulating layer, the attachment base are connected with telescopic rod, are connected with mechanical linkage at the top of the telescopic rod, install on the mechanical linkage
Sound light crossing-signal, the left end of the mechanical linkage is connected with tool tong, and the mechanical linkage is located in operating groove；
The extinguishing arc mechanism includes vacuum explosion chamber, connects the right side of prong at the top of the vacuum explosion chamber by line seated
The bottom at end, the vacuum explosion chamber is connected with insulated pull rod by the piece that is flexible coupling, and the insulated pull rod bottom is connected with set and connects
Bar, and the set connecting rod is by being electrically connected with unloader.
As a preferred technical solution of the present invention, the chassis vehicle bottom is provided with idler wheel, a left side for the chassis vehicle
End is internal to be longitudinally provided with grounding pin, and the grounding pin top left, which is provided with, stirs bolt.
As a preferred technical solution of the present invention, the grounding pin is connected with unloader, the connection by electric wire
Seat is connected with grounding pin by electric wire in turn.
As a preferred technical solution of the present invention, the outer ring sheet metal of the preceding fitting electrode passes through insulation shell,
And it is electrically connected with the inside of mesh enclosure.
As a preferred technical solution of the present invention, the edge internal layer of the mesh enclosure is provided with shrinking hood, and includes to receive
The mesh enclosure of contracting cover portion point is exposed metal mesh, and the inner ring metal mesh of the mesh enclosure is enclosed with rubber insulation material.
As a preferred technical solution of the present invention, the line seated is copper sheet metal, and the piece that is flexible coupling is not by
Rust steel corrugated tube, silica gel, rubber or fiber and adapter tube, flange assemble.
As a preferred technical solution of the present invention, the cooling fin of sheet is provided on the extinguishing arc chamber outer wall.
Compared with prior art, the beneficial effects of the present invention are: the present invention by mesh enclosure as electric arc and faradic
Guide device reduces voltage to realize the diffusion pilot of electric current, and when transmitting by non-insulated portion phase insulated part, after
Arc suppression is carried out with arc-extinction device by guiding accordingly, and by ground connection guide device, is drawn by unloader and grounding pin
Ground end is imported, to guarantee the safety of maintenance isolating device, while ensure that the safety of service personnel, telescopic rod and operating groove,
The scope of repairing course and angle of the service kit clamped on tool tong are increased, while being dielectrically separated from measure and inspection in real time accordingly
Measuring alarming device provides good safety work guidance.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is net cover structure schematic diagram of the invention.
In figure: 1- chassis vehicle；2- mesh enclosure；3- shrinking hood；4- unloader；5- grounding pin；6- stirs bolt；7- arc extinguishing section structure；
8- insulating layer；9- attachment base；10- telescopic rod；11- mechanical linkage；12- visual alarm；13- tool tong；14- prong；15- is exhausted
Edge shell；Fitting electrode before 16-；17- insulator；Fitting electrode after 18-；19- operating groove；71- line seated；72- vacuum extinguishing arc
Room；73- is flexible coupling piece；74- insulated pull rod；75- covers connecting rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The explanation of following embodiment be with reference to attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, "upper", " in ", "lower", "front", "rear", "left", "right", "inner", "
Outside ", " side " etc. is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, rather than to limit the present invention.
Embodiment:
As depicted in figs. 1 and 2, the present invention provides a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting devices, including chassis
Vehicle 1 and mesh enclosure 2, it is characterised in that: the top of chassis vehicle 1 is internally provided with unloader 4, is connected with and disappears at the top of the unloader 4
Arc mechanism 7, the top left of the extinguishing arc mechanism 7 are equipped with cylindrical insulation shell 15, install on the insulation shell 15
Have mesh enclosure 2, the edge internal layer of the mesh enclosure 2 is provided with shrinking hood 3, and include 3 part of shrinking hood mesh enclosure 2 be exposed metal
Net, the inner ring metal mesh of the mesh enclosure 2 are enclosed with rubber insulation material, and the top of the mesh enclosure 2 is provided with operating groove 19, institute
It states and is provided with prong 14 among 15 left side of insulation shell, and the prong 14 extends transversely through insulation shell 15, the prong 14
It is sequentially installed with the insulator 17 and rear gold of preceding fitting electrode 16, multiple-layer overlapped shape from left to right positioned at 15 inner part of insulation shell
Has electrode 18, the preceding fitting electrode 16 is connected with mesh enclosure 2 by the sheet metal of outer ring, and the right end of the prong 14, which extends into, to disappear
Inside arc mechanism 7, the outer ring sheet metal of the preceding fitting electrode 16 passes through insulation shell 15, and is electrically connected with the interior of mesh enclosure 2
Portion is equipped with attachment base 9 at the top of the extinguishing arc mechanism 7, and is provided with insulating layer 8 between the attachment base 9 and extinguishing arc mechanism 7,
The attachment base 9 is connected with telescopic rod 10, and mechanical linkage 11 is connected at the top of the telescopic rod 10, is pacified on the mechanical linkage 11
Equipped with combined aural and visual alarm 12, the left end of the mechanical linkage 11 is connected with tool tong 13, and the mechanical linkage 11 is located at operation
In slot 19；
The extinguishing arc mechanism 7 includes vacuum explosion chamber 72, passes through line seated 71 at the top of the vacuum explosion chamber 72 and connects point
The bottom of the right end of needle 14, the vacuum explosion chamber 72 is connected with insulated pull rod 74, the insulated pull rod by the piece 73 that is flexible coupling
74 bottoms are connected with set connecting rod 75, and the set connecting rod 75 is by being electrically connected with unloader 4.
Preferably, 1 bottom of chassis vehicle is provided with idler wheel 20, is longitudinally provided with inside the left end of the chassis vehicle 1
Grounding pin 5,5 top left of grounding pin, which is provided with, stirs bolt 6, and the grounding pin 5 is connected with unloader 4, institute by electric wire
It states attachment base 9 and then grounding pin 5 is connected with by electric wire；The line seated 71 be copper sheet metal, it is described be flexible coupling piece 73 by
Stainless steel corrugated tube, silica gel, rubber or fiber and adapter tube, flange assemble；Lamella is provided on 72 outer wall of explosion chamber
The cooling fin of shape.
The working principle of the invention: the present invention passes through and the mesh enclosure of High-Voltage Electrical Appliances contact passes induced current and electric arc guidance
It is handed to enclosure interior, and eliminates the induced current of part by the point discharge of prong, when the partition when high-voltage electricity overhauls is opened
When closing cut-off current, the high-voltage arc of generation enters enclosure interior, and flows through insulator surface, afterwards by rear fitting electrode, and
Into in extinguishing arc mechanism, lasting crowbar operation is carried out in vacuum explosion chamber, is flexible coupling when excess charge passes through, and by exhausted
The set connecting rod of edge pull rod enters in unloader, and the excess charge in unloader can be connected by grounding pin such as ground end, to complete
The effect of security isolation and protection, telescopic rod and mechanical linkage provide the tool tong scope of repair bigger in operating groove.
In conclusion the main characteristic of the invention lies in that: the present invention is by mesh enclosure as electric arc and faradic guidance
Device reduces voltage to realize the diffusion pilot of electric current, and when transmitting by non-insulated portion phase insulated part, after pass through
Corresponding guidance and arc-extinction device carry out arc suppression, and by ground connection guide device, are inducted by unloader and grounding pin
Ground end to guarantee the safety of maintenance isolating device, while ensure that the safety of service personnel, telescopic rod and operating groove, increase
The scope of repairing course and angle of the service kit clamped on tool tong, while it being dielectrically separated from measure and in real time detection report accordingly
Alarm device provides good safety work guidance.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device, including chassis vehicle (1) and mesh enclosure (2), it is characterised in that: described
Chassis vehicle (1) top is internally provided with unloader (4), is connected with extinguishing arc mechanism (7) at the top of the unloader (4), the extinguishing arc machine
The top left of structure (7) is equipped with cylindrical insulation shell (15), is equipped with mesh enclosure (2), institute on the insulation shell (15)
It states and is provided at the top of mesh enclosure (2) operating groove (19), is provided with prong (14) among insulation shell (15) left side, and institute
It states prong (14) to extend transversely through insulation shell (15), the prong (14) is located at insulation shell (15) inner part from left to right successively
The insulator (17) and rear fitting electrode (18) of preceding fitting electrode (16), multiple-layer overlapped shape, the preceding fitting electrode are installed
(16) it is connected with mesh enclosure (2) by the sheet metal of outer ring, the right end of the prong (14) extends into extinguishing arc mechanism (7) inside, institute
It states and is equipped with attachment base (9) at the top of extinguishing arc mechanism (7), and be provided with insulating layer between the attachment base (9) and extinguishing arc mechanism (7)
(8), the attachment base (9) is connected with telescopic rod (10), is connected with mechanical linkage (11), the machine at the top of the telescopic rod (10)
It is equipped on tool connecting rod (11) combined aural and visual alarm (12), the left end of the mechanical linkage (11) is connected with tool tong (13), and institute
Mechanical linkage (11) is stated to be located in operating groove (19)；
The extinguishing arc mechanism (7) includes vacuum explosion chamber (72), at the top of the vacuum explosion chamber (72) even by line seated (71)
The right end of prong (14) is connect, the bottom of the vacuum explosion chamber (72) is connected with insulated pull rod (74) by the piece that is flexible coupling (73),
Insulated pull rod (74) bottom is connected with set connecting rod (75), and the set connecting rod (75) is by being electrically connected with unloader (4).
2. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device according to claim 1, it is characterised in that: the chassis
Vehicle (1) bottom is provided with idler wheel (20), is longitudinally provided with grounding pin (5), the grounding pin inside the left end of the chassis vehicle (1)
(5) top left, which is provided with, stirs bolt (6).
3. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device according to claim 2, it is characterised in that: the ground connection
Needle (5) is connected with unloader (4) by electric wire, and the attachment base (9) is connected with grounding pin (5) by electric wire in turn.
4. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device according to claim 1, it is characterised in that: gold before described
The outer ring sheet metal for having electrode (16) passes through insulation shell (15), and is electrically connected with the inside of mesh enclosure (2).
5. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device according to claim 4, it is characterised in that: the mesh enclosure
(2) edge internal layer is provided with shrinking hood (3), and include shrinking hood (3) part mesh enclosure (2) be exposed metal mesh, it is described
The inner ring metal mesh of mesh enclosure (2) is enclosed with rubber insulation material.
6. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device according to claim 1, it is characterised in that: the line connects
Seat (71) is copper sheet metal, and the piece that is flexible coupling (73) is by stainless steel corrugated tube, silica gel, rubber or fiber and adapter tube, flange
Assemble.
7. a kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device according to claim 1, it is characterised in that: the extinguishing arc
The cooling fin of sheet is provided on room (72) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710715041.2A CN107370055B (en) | 2017-08-19 | 2017-08-19 | A kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710715041.2A CN107370055B (en) | 2017-08-19 | 2017-08-19 | A kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107370055A CN107370055A (en) | 2017-11-21 |
| CN107370055B true CN107370055B (en) | 2019-01-29 |
Family
ID=60309847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710715041.2A Active CN107370055B (en) | 2017-08-19 | 2017-08-19 | A kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107370055B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792590A (en) * | 2021-01-25 | 2022-07-26 | 中国石油化工股份有限公司 | A insulating pad of mouldable combination formula for protection of low pressure live working |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19902896A1 (en) * | 1999-01-18 | 2000-08-10 | Ver Energiewerke Ag | Device for extracting objects from systems connected to electrical voltage has gripper with actuating rod passing parallel to insulating rod and through opening in limiting plate and sleeve |
| CN102340109A (en) * | 2010-07-23 | 2012-02-01 | 上海市电力公司 | Fuse carrying pliers |
| CN205985892U (en) * | 2016-08-30 | 2017-02-22 | 福建智兴电力科技有限公司 | High -Voltage electrical appliances overhaul security isolation protector |
| CN106451158A (en) * | 2016-12-05 | 2017-02-22 | 陈光钦 | Closed switch cabinet bus grounding rod |
-
2017
- 2017-08-19 CN CN201710715041.2A patent/CN107370055B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19902896A1 (en) * | 1999-01-18 | 2000-08-10 | Ver Energiewerke Ag | Device for extracting objects from systems connected to electrical voltage has gripper with actuating rod passing parallel to insulating rod and through opening in limiting plate and sleeve |
| CN102340109A (en) * | 2010-07-23 | 2012-02-01 | 上海市电力公司 | Fuse carrying pliers |
| CN205985892U (en) * | 2016-08-30 | 2017-02-22 | 福建智兴电力科技有限公司 | High -Voltage electrical appliances overhaul security isolation protector |
| CN106451158A (en) * | 2016-12-05 | 2017-02-22 | 陈光钦 | Closed switch cabinet bus grounding rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107370055A (en) | 2017-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210323262U (en) | Detection device is put in built-in metal forming office | |
| CN106842448A (en) | A kind of enterprising remaining cable case of cable insulation landing of transformer station | |
| CN107370055B (en) | A kind of High-Voltage Electrical Appliances maintenance safety isolation protecting device | |
| CN104868262B (en) | Ground loop | |
| CN205786694U (en) | A kind of portable multi-function Partial Discharge Detection detection bar | |
| CN210517760U (en) | Intermediate connecting device for high-voltage power cable | |
| CN105790211A (en) | Method for protecting earth electrode line | |
| CN107742559A (en) | A kind of tortuous synchronous compression arc extinguishing lightning protection device of parallel arrangement arc extinguishing passage | |
| CN207132436U (en) | Indoor apparatus of air conditioner and air conditioner | |
| CN209344514U (en) | The device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke | |
| CN112611978A (en) | Ground fault finding detector | |
| CN103872612B (en) | The electric arc for avoiding launch aed surprise attack mitigates component and assemble method | |
| CN109586226A (en) | The method and device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke | |
| CN103457053B (en) | A kind of box type transformer inspection earthing device | |
| CN105463507B (en) | The method and device of aluminium electrolysis shop electrolytic cell smoke discharging pipe valve anti-static grounding | |
| CN205646435U (en) | Built on stilts insulated wire prevents lightning -caused breaking device based on electrode implosion formula | |
| CN205609971U (en) | High -voltage cabinet | |
| CN104901227A (en) | Hard insulating shield cover specialized for 35kV live operation | |
| CN104091660A (en) | Lightning protection explosion-proof composite post type insulator with disengaging apparatus | |
| CN107785868A (en) | The transformer leakage protection system of real-time earthing water conservancy diversion | |
| CN209544882U (en) | A kind of control cabinet for power distribution of safety electric shock-prevention | |
| CN202339986U (en) | Lightning-proof electroscopic puncture grounded ring | |
| CN204928062U (en) | A separable ground connection conversion head for cable system | |
| CN205564406U (en) | Novel explosion -proof compound column type insulator of inside and outside double gap | |
| CN205427097U (en) | Test combination tool that discharges |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201111 Address after: 215400 A, building 88, Beijing East Road, Taicang Development Zone, Suzhou, Jiangsu Patentee after: Suzhou Desmir Intelligent Technology Co.,Ltd. Address before: 241000 Changjiang Road Anhui city Wuhu province Jiujiang district and South Industrial Park Patentee before: WUHU KAIXIN LIGHTNING ARRESTER Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A safety isolation and protection device for high-voltage electrical equipment maintenance Effective date of registration: 20230927 Granted publication date: 20190129 Pledgee: China Construction Bank Taicang branch Pledgor: Suzhou Desmir Intelligent Technology Co.,Ltd. Registration number: Y2023980059319 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |