CN104348089B - Fuse unit and the switch cubicle using the fuse unit - Google Patents
Fuse unit and the switch cubicle using the fuse unit Download PDFInfo
- Publication number
- CN104348089B CN104348089B CN201410602111.XA CN201410602111A CN104348089B CN 104348089 B CN104348089 B CN 104348089B CN 201410602111 A CN201410602111 A CN 201410602111A CN 104348089 B CN104348089 B CN 104348089B
- Authority
- CN
- China
- Prior art keywords
- fuse
- cylinder
- annular groove
- annular wall
- thimble
- 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
- 238000009413 insulation Methods 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 6
- 239000012212 insulator Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004945 silicone rubber 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The present invention relates to the switch cubicle of fuse unit and the use fuse unit.Wherein fuse unit includes fuse cylinder and fuse cover, it is characterised in that：One of them of both the fuse cylinder and fuse cover are provided with annular groove and/or annular wall, both another is provided with the annular wall and/or annular groove for being used for coordinating and constitute maze-type structure with the annular groove and/or annular wall sleeve, there is radial clearance between annular wall and/or annular groove that annular groove and/or annular wall and fuse unit on fuse cylinder are covered, during installation, fuse cylinder and fuse cover are coordinated by annular wall and annular groove sleeve, centering is good, labor intensity is low, it is easy for installation, and gap forms non-tight connection, it ensure that good heat dispersion, simultaneously, annular wall and the maze-type structure of annular groove formation can prevent creeping discharge, form surface insulation, ensure insulating properties.
Description
Technical field
The present invention relates to the switch cubicle of fuse unit and the use fuse unit.
Background technology
Fuse unit is one of indispensable important component in switch cubicle, circuit can be cut off when electric current is excessive and make it
In dropout thimble action and realize thread off, switch cubicle is played safeguard protection effect, therefore, the performance of fuse unit is directly affected
The security of high-tension switch cabinet operation.
Existing fuse unit generally comprises fuse cylinder and fuse cover, and fuse cylinder is provided with terminals and fuse cylinder
Inside is provided with fuse installation cavity, and fuse cover is built-in to be furnished with along the fuse unit dropout thimble that axially activity is set and provided with for de-
The thimble perforation that thimble stretches out is detained, dropout thimble, which is used to stretch out in fuse blows, drives corresponding tripping mechanism to move
Make.The fuse cover of existing fuse unit needs closure to be fixed on fuse cylinder when using, the company of fuse cylinder and fuse cover
The place of connecing is sealed using silicone rubber sleeve and is realized interfacial insulator.Fuse is installed due to using in silicon rubber interfacial insulator, installation process
The cumbersome during cover, operating physical force that needs are larger and the strict operating environment of comparison, labor intensity is big, and centering is poor,
Easily there is fuse and the problems such as not in place or interfacial insulator fails is installed, be not easy to install, overhaul and safeguard；Also, by
Sealed construction is used in interfacial insulator, therefore is unfavorable for fuse unit radiating, the temperature rise for easily causing switch cubicle is too high, shadow
Ring the reliability and stability of switch cubicle.In addition, the fuse cylinder in existing switch cubicle fuse unit is main by metal support
With insulating cylinder two parts composition, size and insulating properties are relatively fixed, and fuse cylinder size needed for different voltage class and
Insulating properties are different, therefore existing fuse unit is difficult to the requirement that meets different voltage class, poor universality.
The content of the invention
It is an object of the invention to provide a kind of fuse unit being easily installed, meanwhile, being used present invention also offers one kind should
The switch cubicle of fuse unit.
The technical scheme of fuse unit use is in the present invention：Fuse unit, including fuse cylinder and fuse cover, the fuse
One of them of both cylinder and fuse cover be provided with annular groove and/or annular wall, both another be provided with for
The annular groove and/or annular wall sleeve coordinate and constituted on the annular wall and/or annular groove of maze-type structure, fuse cylinder
There is radial clearance between annular wall and/or annular groove that annular groove and/or annular wall and fuse unit are covered.
The fuse cylinder is provided with shape between one of cylinder annular groove, the inner chamber of the cylinder annular groove and fuse cylinder
Into one of cylinder annular wall；The melt cover is described provided with the cover annular groove inserted together for the cylinder annular wall
The radial outside of cover annular groove is provided with the cover annular wall for being used to insert in the cylinder annular groove together.
The annular groove is flaring structure, and the annular wall is the wedge structure that top thickness is less than bottom thickness.
The fuse unit has dropout thimble, and the fuse unit is covered provided with the axle for the dropout thimble along fuse cover
The thimble accommodating chamber set to activity, is provided with by along the mutual sleeve in the axial direction between the fuse cover and the dropout thimble
The maze-type structure of thimble annular wall and thimble the annular groove formation of cooperation, the thimble annular wall that mutual sleeve coordinates and thimble ring
There is radial clearance between shape groove.
The fuse cylinder includes the fore-stock, after-poppet and the removable fore-stock that is fixed on that are set gradually along its axial direction with after
Intermediate insulation cylinder between support, the after-poppet blocks the open rearward end in intermediate insulation cylinder, before the fore-stock is
The tubular construction of insertion afterwards, the annular groove and/or annular wall of the fuse cylinder are arranged on the fore-stock.
The fuse unit covers the connector fixed and be conductively connected provided with the corresponding end for fuse, the fuse cylinder
It is provided with the conductive contact finger for being used for being conductively connected with the connector, the conductive contact finger and the corresponding wiring outside fuse unit body
Post is conductively connected.
The connector is the conductive copper sheathing that fixed interstitial hole is coaxially plugged provided with the corresponding end for the fuse.
A kind of technical scheme of switch cubicle use is in the present invention：A kind of switch cubicle, including cabinet and fuse unit, it is described molten
Silk cylinder includes fuse cylinder and fuse cover, it is characterised in that：In one of them of both the fuse cylinder and fuse cover
Provided with annular groove and/or annular wall, both another be provided be used to coordinate with the annular groove and/or annular wall sleeve and
Constitute what annular groove and/or annular wall on the annular wall and/or annular groove of maze-type structure, fuse cylinder were covered with fuse unit
There is radial clearance between annular wall and/or annular groove.
The fuse cylinder is provided with shape between one of cylinder annular groove, the inner chamber of the cylinder annular groove and fuse cylinder
Into one of cylinder annular wall；The melt cover is described provided with the cover annular groove inserted together for the cylinder annular wall
The radial outside of cover annular groove is provided with for the cover annular wall inserted in the cylinder annular groove, the annular groove is together
Flaring structure, the annular wall is the wedge structure that top thickness is less than bottom thickness.
The fuse unit has dropout thimble, and the fuse unit is covered provided with the axle for the dropout thimble along fuse cover
The thimble accommodating chamber set to activity, is provided with by along the mutual sleeve in the axial direction between the fuse cover and the dropout thimble
The maze-type structure of thimble annular wall and thimble the annular groove formation of cooperation, the thimble annular wall that mutual sleeve coordinates and thimble ring
There is radial clearance between shape groove.
The present invention uses above-mentioned technical proposal, and one of them of both described fuse cylinder and fuse cover are provided with annular
Groove and/or annular wall, both another are provided with for constituting labyrinth with the annular groove and/or the cooperation of annular wall sleeve
The annular wall that annular groove and/or annular wall on the annular wall and/or annular groove of formula structure, fuse cylinder are covered with fuse unit
And/or there is radial clearance between annular groove, pass through the above-mentioned annular wall and annular set between fuse cylinder and fuse cover
Groove, coordinates fuse cylinder and fuse cover by annular wall and annular groove sleeve during installation, centering is good, labor intensity
It is low, it is easy for installation, and gap forms non-tight connection, ensure that good heat dispersion, meanwhile, annular wall and annular
The maze-type structure of groove formation can prevent creeping discharge, form surface insulation, it is ensured that insulating properties.
Brief description of the drawings
Fig. 1 is the overall structure diagram of one embodiment of fuse unit in the present invention；
Fig. 2 is the structural representation of fuse cylinder in Fig. 1；
Fig. 3 is the structural representation of fuse cover in Fig. 1.
Each reference is corresponding entitled in figure：After 10- fuse cylinders, 13- fore-stocks, 12- intermediate insulations cylinder, 11-
Binding post after support, 20- plum blossom decks, 21-, 22- support columns, 23- after-poppet sealing rings, 24- fore-stock sealing rings, 25- is led
Binding post before electrical contact finger, 26-, 30- cylinder annular grooves, 31- cylinder annular walls, 32- shell flanges, 33- closure gasket grooves, 40- melts
Silk cover, 41- cover annular grooves, 42- cover annular walls, 43- conduction copper sheathings, 44- interstitial holes, 45- thimble through holes, 50- threads off
Thimble, 51- thimble annular walls, 52- thimble annular grooves, 60- fuses, 70- handles.
Embodiment
One embodiment of fuse unit is a kind of fuse unit for switch cubicle, mainly as shown in Fig. 1 ~ Fig. 3 in the present invention
It is made up of fuse cylinder 10 and fuse cover 40.
Fuse cylinder 10 uses Split type structure, including fore-stock 13, the after-poppet 11 and removable set gradually along its axial direction
It is fixed on the intermediate insulation cylinder 12 between fore-stock 13 and after-poppet 11.After-poppet 11 is the rotary structure that vertical section is U-shaped,
Front end with the lap segment coordinated with the rear end of intermediate insulation tin 12 overlap joint and by lap segment and is arranged on lap segment outer peripheral face
On after-poppet sealing ring 23 block be set in intermediate insulation cylinder 12 open rearward end.The inwall of the bottom of after-poppet 11 is provided with
Plum blossom deck 20, the corresponding end for corresponding fuse 60 is inserted and is conductively connected.Fore-stock 13 is the tubular construction of front and rear insertion,
Its rear end with the lap segment coordinated with the front end of intermediate insulation tin 12 overlap joint and by lap segment and is arranged on lap segment periphery
Fore-stock sealing ring 24 on face is set in the front opening of intermediate insulation cylinder 12.Shell flange 32 is additionally provided with fore-stock 13,
The end face that shell flange 32 is used to be connected with switch cabinet body is provided with for closure gasket groove 33, is installed to out in fuse cylinder 10
Sealing ring can be added to realize the effect of sealing and moistureproof, anti-filthy condensation when on cabinet by closing.Intermediate insulation cylinder 12 uses glass
The insulating materials such as silk cloth cylinder are processed, and different length can be processed into according to different voltage class, different electricity are adapted to
Grade is pressed, versatility is good.
Fuse cover 40 blocks the front opening for being plugged in fuse cylinder 10 and is coaxially disposed with fuse cylinder 10, fuse unit
The front end surface of the fore-stock 13 of body 10 is provided with one of cylinder annular groove 30, and the cylinder annular groove 30 is interior with fore-stock 13
One of cylinder annular wall 31 is formed between chamber；The rear end end face of melt cover is inserted provided with one for the cylinder annular wall 31
Cover annular groove 41, the radial outside of the cover annular groove 41 is provided with being used to insert in the cylinder annular groove 30 together
Annular groove and annular wall on cover annular wall 42, fuse cylinder 10 are covered between corresponding annular wall and annular groove with fuse unit
With radial clearance., will during installation by the above-mentioned annular wall and annular groove set between fuse cylinder 10 and fuse cover 40
Fuse cylinder 10 and fuse cover 40 coordinate by annular wall and annular groove sleeve, and centering is good, and labor intensity is low, installs
It is convenient, and gap forms non-tight connection, ensure that good heat dispersion.In order that fuse cover 40 is more easily
It is installed on fuse cylinder 10, annular groove is set to flaring structure, annular wall is set to the wedge that top thickness is less than bottom thickness
Shape structure.
The rear end of fuse cover 40 is coaxially fixed with conductive copper sheathing 43, and conductive copper sheathing 43 is provided with the corresponding end for fuse 60
Fixed interstitial hole 44 is coaxially plugged, the connector fixed and be conductively connected for fuse 60 is constituted.Accordingly, fuse cylinder 10
Fore-stock 13 inwall on be fixed with conductive contact finger 25, the conductive contact finger 25 is formed by power spring contact, can be in fuse
Cover 40 plugs when in place and to contact and be conductively connected with the outer peripheral face of conductive copper sheathing 43.Also set on the fore-stock 13 of fuse cylinder 10
There is the preceding binding post 26 being conductively connected with conductive contact finger 25, the after-poppet 11 of fuse cylinder 10 is provided with conductive with plum blossom deck 20
The rear binding post 21 of connection, facilitates wiring.Support column 22 is additionally provided with the after-poppet 11 of fuse cylinder 10.
Thimble accommodating chamber is provided with the front of conductive copper sheathing 43 on fuse cover 40, corresponding dropout thimble 50 is along fuse unit
The axial direction of lid 40 is movably arranged in thimble accommodating chamber in advance, and the external diameter of dropout thimble 50 is more than the internal diameter of conductive copper sheathing 43, energy
Enough avoid deviating from out of thimble accommodating chamber.The front end of fuse cover 40 is provided with the thimble through hole 45 passed for dropout thimble 50, makes to take off
Button thimble 50 can stretch out the corresponding tripping mechanism of driving in fault.Between fuse cover 40 and the dropout thimble 50
Provided with twice thimble annular wall 51 and thimble annular groove 52, corresponding thimble annular wall between fuse cover 40 and dropout thimble 50
Mutual sleeve coordinates and has radial clearance between the two vertically with thimble annular groove, forms maze-type structure, constitutes along face
Insulation, ensure that the regular event of dropout thimble 50 while insulation effect is ensured.Also, dropout thimble 50 is a letter
Single revolving parts, processing is simple and is easy to assembling, and energy loss is few during dropout, and Interruption is stable, and reliability is high.
For the ease of using, the front end of fuse cover 40 is further fixed on handle 70, and handle 70 is fixed on fuse cover 40
Marginal portion, shank overhangs, and forms lever construction, is conducive to the extraction of fuse cover 40, rapid operation.
During installation, fuse 60 is securedly mounted on the conductive copper sheathing 43 of fuse cover 40 in advance and makes its front end with leading
Electrolytic copper covers 43 reliable contacts, then makes cover annular groove 41 and the cover annular wall being provided with the fuse cover 40 of fuse 60
The 42 cylinder annular walls 31 being respectively aligned on fuse cylinder 10 and cylinder annular groove 30 are pushed home into, and make corresponding annular groove and ring
Shape wall formation sleeve coordinates, and constitutes maze-type structure, forms surface insulation.After fuse cover 40 is installed in place, after fuse 60
End and the conductive reliable contacts of plum blossom deck 20 on after-poppet 11, while conductive copper sheathing 43 and the conductive bullet on the inwall of fore-stock 13
Spring contact reliable contacts, realize the connection of fuse 60 and circuit.Due in maze-type structure between annular wall and annular groove
Gap is smaller, is not required to carry out radial positioning to fuse cover 40 in addition, certainly, in order to improve installation accuracy, can also set pair
The supporting construction answered carries out radial positioning to fuse cover 40, and this is that those skilled in the art are not required to pay creative work
Realize.Finally, fuse cover 40 is compressed to i.e. completion fuse unit vertically by the top pressure structure being correspondingly arranged on switch cubicle
Installation, it is assembling, easy for installation, be easy to install changing using scene, thermal diffusivity is good.
A kind of one embodiment of switch cubicle includes cabinet and fuse unit, structure and the prior art phase of cabinet in the present invention
Together, fuse unit is the fuse unit in above-described embodiment, is no longer described in detail herein.
In the above-described embodiments, together with fuse cylinder 10 is with the quantity of annular groove/annular wall on fuse cover 40, and
Annular groove/annular wall between dropout thimble 50 and fuse cover 40 is twice, and fuse cylinder 10 uses split knot
Structure.In other embodiments of the invention, the quantity of annular groove/annular wall and dropout on fuse cylinder 10 and fuse cover 40
The quantity of upper annular groove/annular wall can also be increased and decreased between thimble 50 and fuse cover 40, and fuse cylinder 10 can also
For overall structure.
Claims (8)
1. fuse unit, including fuse cylinder and fuse cover, it is characterised in that：Both the fuse cylinder and fuse cover its
In one be provided with annular groove and annular wall, both another be provided be used for the annular groove and annular wall sleeve cooperation
And the annular wall and annular groove of maze-type structure are constituted, the annular that the annular groove and annular wall on fuse cylinder are covered with fuse unit
There is radial clearance, the fuse unit covers what is fixed and be conductively connected provided with the corresponding end for fuse between wall and annular groove
Connector, the fuse cylinder is provided with the conductive contact finger for being used for being conductively connected with the connector, and the conductive contact finger is with melting
Corresponding binding post outside silk cylinder is conductively connected, and the connector is coaxially to be plugged admittedly provided with the corresponding end for the fuse
The conductive copper sheathing of fixed interstitial hole.
2. fuse unit according to claim 1, it is characterised in that：The fuse cylinder is provided with one of cylinder annular groove,
Cylinder annular groove cylinder annular wall together with being formed between the inner chamber of fuse cylinder；The fuse unit is covered provided with confession together
The cover annular groove of the cylinder annular wall insertion, the radial outside of the cover annular groove is provided with together for inserting the cylinder
Cover annular wall in body annular groove.
3. fuse unit according to claim 1 or 2, it is characterised in that：The annular groove is flaring structure, the annular wall
It is less than the wedge structure of bottom thickness for top thickness.
4. fuse unit according to claim 1 or 2, it is characterised in that：The fuse unit has dropout thimble, the fuse
Cover is provided with the thimble accommodating chamber that axially activity is set along fuse cover, the fuse cover and institute for the dropout thimble
State the labyrinth being provided between dropout thimble from being formed along the thimble annular wall and thimble annular groove with the mutual sleeve in the axial direction
Formula structure, has radial clearance between thimble annular wall and thimble annular groove that mutual sleeve coordinates.
5. fuse unit according to claim 1 or 2, it is characterised in that：The fuse cylinder includes axially setting successively along it
Fore-stock, after-poppet and the removable intermediate insulation cylinder being fixed between fore-stock and after-poppet put, the after-poppet closure exist
The open rearward end of the intermediate insulation cylinder, the fore-stock is the tubular construction of front and rear insertion, the annular groove of the fuse cylinder
And/or annular wall is arranged on the fore-stock.
6. a kind of switch cubicle, including cabinet and fuse unit, the fuse unit include fuse cylinder and fuse cover, its feature exists
In：One of them of both the fuse cylinder and fuse cover are provided with annular groove and annular wall, both another and set
Have on the annular wall and annular groove for coordinating and constituting maze-type structure with the annular groove and annular wall sleeve, fuse cylinder
Annular groove and the annular wall that covers of annular wall and fuse unit and annular groove between there is radial clearance, the fuse unit, which is covered, to be set
There is the connector that the corresponding end for fuse is fixed and is conductively connected, the fuse cylinder, which is provided with, to be used to lead with the connector
The conductive contact finger of electrical connection, the conductive contact finger is conductively connected with the corresponding binding post outside fuse unit body, and the connector is
The conductive copper sheathing of fixed interstitial hole is coaxially plugged provided with the corresponding end for the fuse.
7. a kind of switch cubicle according to claim 6, it is characterised in that：The fuse cylinder is provided with one of cylinder annular
Groove, cylinder annular groove cylinder annular wall together with being formed between the inner chamber of fuse cylinder；The fuse unit is covered provided with one
Road supplies the cover annular groove that the cylinder annular wall is inserted, and the radial outside of the cover annular groove is provided with together for inserting institute
The cover annular wall in cylinder annular groove is stated, the annular groove is flaring structure, and the annular wall is that top thickness is less than bottom
The wedge structure of thickness.
8. a kind of switch cubicle according to claim 6 or 7, it is characterised in that：The fuse unit has dropout thimble, described
Fuse unit is covered provided with the thimble accommodating chamber that axially activity is set for the dropout thimble along fuse cover, the fuse cover
It is provided between the dropout thimble from being formed along the thimble annular wall and thimble annular groove with the mutual sleeve in the axial direction
Maze-type structure, has radial clearance between thimble annular wall and thimble annular groove that mutual sleeve coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602111.XA CN104348089B (en) | 2014-10-31 | 2014-10-31 | Fuse unit and the switch cubicle using the fuse unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410602111.XA CN104348089B (en) | 2014-10-31 | 2014-10-31 | Fuse unit and the switch cubicle using the fuse unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104348089A CN104348089A (en) | 2015-02-11 |
| CN104348089B true CN104348089B (en) | 2017-07-21 |
Family
ID=52503150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410602111.XA Active CN104348089B (en) | 2014-10-31 | 2014-10-31 | Fuse unit and the switch cubicle using the fuse unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104348089B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703257B (en) * | 2016-04-18 | 2017-03-15 | 广东求精电气有限公司 | Solid insulation ring main unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051732A (en) * | 2006-04-04 | 2007-10-10 | 大全集团有限公司 | Fuse mounting insulation tube |
| CN202126982U (en) * | 2011-06-22 | 2012-01-25 | 麦朗辉 | All-insulation fuse used for underground combination transformer |
| CN102427011A (en) * | 2011-12-23 | 2012-04-25 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| CN203055841U (en) * | 2012-12-31 | 2013-07-10 | 西渥电气（福州）有限公司 | A solid-insulated totally-enclosed fuse cylinder |
| CN203562383U (en) * | 2013-11-25 | 2014-04-23 | 希格玛电气(珠海)有限公司 | Switch cabinet fuse tube |
| CN203690233U (en) * | 2013-12-31 | 2014-07-02 | 杭州曙光电器有限公司 | Fuse unit structure |
-
2014
- 2014-10-31 CN CN201410602111.XA patent/CN104348089B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051732A (en) * | 2006-04-04 | 2007-10-10 | 大全集团有限公司 | Fuse mounting insulation tube |
| CN202126982U (en) * | 2011-06-22 | 2012-01-25 | 麦朗辉 | All-insulation fuse used for underground combination transformer |
| CN102427011A (en) * | 2011-12-23 | 2012-04-25 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| CN203055841U (en) * | 2012-12-31 | 2013-07-10 | 西渥电气（福州）有限公司 | A solid-insulated totally-enclosed fuse cylinder |
| CN203562383U (en) * | 2013-11-25 | 2014-04-23 | 希格玛电气(珠海)有限公司 | Switch cabinet fuse tube |
| CN203690233U (en) * | 2013-12-31 | 2014-07-02 | 杭州曙光电器有限公司 | Fuse unit structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104348089A (en) | 2015-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104348089B (en) | Fuse unit and the switch cubicle using the fuse unit | |
| CN202816779U (en) | Solid insulated pole | |
| CN102881508A (en) | Solid insulating pole | |
| CN204349231U (en) | A kind of fuse unit and use the switch cubicle of this fuse unit | |
| CN204906760U (en) | A electrically conductive insulating mechanism for electrode stem pneumatic chuck | |
| CN203895353U (en) | Three-station vacuum arc-extinguishing chamber with inserting type grounding station | |
| CN202585300U (en) | High voltage current limiting fuse with rolling structure | |
| CN104348090B (en) | Switch cubicle fuse unit and the solid insulation switch cabinet using the fuse unit | |
| CN204349232U (en) | A kind of switch cubicle fuse unit and use the solid insulation switch cabinet of this fuse unit | |
| CN103681157B (en) | A kind of Arc-extinguishing-tydrop-out drop-out fuse | |
| CN209087691U (en) | Indoor high-voltage vacuum circuit breaker pole | |
| CN207303032U (en) | A kind of outdoor circuit protection fuse | |
| CN201229848Y (en) | Current mutual inductor for GIS | |
| CN204375683U (en) | A kind of Novel outdoor fuse | |
| CN205265160U (en) | T type cable head earthing device | |
| CN104658812B (en) | Insulating sleeve and its manufacture method for pole | |
| CN204538642U (en) | A kind of cable distribution box insulating plug protective cap | |
| CN203812793U (en) | Can-type circuit breaker for gas-insulated switchgear | |
| CN104091735A (en) | Electric transmission line self-recovery fusing device and manufacturing method of electric transmission line self-recovery fusing device | |
| CN104517749A (en) | Rainproof insulating rod and brake pull-rod with same | |
| CN205984778U (en) | Middle - and high -voltage electrical switch disconnector | |
| CN209029293U (en) | Standard type on-load switch line leading device | |
| CN106159843A (en) | The cable distribution box that a kind of safety is high | |
| CN101916934B (en) | Rapid power socket of ring main unit with power-uninterrupted operation | |
| CN203398065U (en) | Structure of miniature fuse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |