CN205944019U - 10 oily formula gamut protection high voltage current limiting fuse of~15. 5kV electric pressure - Google Patents
10 oily formula gamut protection high voltage current limiting fuse of~15. 5kV electric pressure Download PDFInfo
- Publication number
- CN205944019U CN205944019U CN201620991757.6U CN201620991757U CN205944019U CN 205944019 U CN205944019 U CN 205944019U CN 201620991757 U CN201620991757 U CN 201620991757U CN 205944019 U CN205944019 U CN 205944019U
- Authority
- CN
- China
- Prior art keywords
- fuse
- support
- electric pressure
- gangbar
- insulation bar
- 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
Landscapes
- Fuses (AREA)
Abstract
The utility model discloses a 10 oily formula gamut protection high voltage current limiting fuse of~15.5kV electric pressure, including support housing part, fuse and year fuse -element part, fuse with carry a fuse -element part and pass through the screw thread electricity and is connected, connects a formation whole in the support housing part of packing into after as an organic whole, fuse, year fuse -element part and the inseparable pressfitting of support housing part are electrically conductive to be connected. The utility model discloses an oily formula gamut protection high voltage current limiting fuse has convenience change, gamut protection and has high leakproofness and have characteristics such as fusing instruction and signal output.
Description
Technical field
The utility model belongs to High-Voltage Electrical Appliances mesohigh fuse field and in particular to one kind is applied to 10～15.5kV electricity
The oil immersed type gamut protection high-voltage and current-limitation fuse of pressure grade.
Background technology
At present, domestic and international oil-filled transformer protection fuse, the height that particularly 10～15.5kV electric pressure uses
Pressure limiting fuse, is used in series composition gamut fusing using back-up protection fuse plus overload protection fuse mostly
The mode of device.And back-up protection fuse is installed in oil tank of transformer, must unpacking during replacing, it is just replaceable to drain the oil, and new
Energy source box becomes the environment using, and general dust storm is larger, and unpacking replacing is almost infeasible.Therefore anxious in 10～15.5kV electric pressure
Need a kind of gamut protection conveniently replaced high-voltage and current-limitation fuse, meanwhile, need product band signal upload function, so that
Control Room understands fuse working condition in each case change.
Content of the invention
The purpose of this utility model is to overcome the design of Related product in the market not enough, there is provided a kind of gamut
Protection simultaneously can become outer plug in case, changes the oil immersed type gamut protection being conveniently applied to 10～15.5kV voltage class ranges
Use high-voltage and current-limitation fuse.
The purpose of this utility model is achieved through the following technical solutions：
A kind of oil immersed type gamut protection high-voltage and current-limitation fuse of 10～15.5kV electric pressure, including support shell portion
Part, fuse member and load melt part；Described fuse member is electrically connected by screw thread with carrying melt part, loads and prop up after connecting as one
In frame case member, shape is integral；Closely pressing is conductively connected for described fuse member, load melt part and support case member.
Further, described support case member includes support shell, the outside one end of support shell be provided be easy to positioning aluminium gland and
Lay the boss of flange gasket, middle part junction is provided with an installing hole including rectangle mounting platform, electricity before in the hole setting is installed
Pole, front electrode is provided with a cannelure, setting profile seal pad in groove, threaded at described support shell other end endoporus after lead
Electric ring, rear conducting ring both sides are respectively mounted rear binding post, rear conductive cap, and described rear binding post passes through bolt and rear conducting ring
Connect, described rear conductive cap passes through strength tower spring and rear electrode piece screw is closely pressed with rear conducting ring；In described support shell
It is additionally provided with front binding post at indirection point, at front binding post, be wound around the screen layer of uniform electric field.
Further, aluminium gland and support shell are the tight pressing of interference fit, and aluminium gland is provided with 4 installing holes, uses
Support case member and case are become body by bolt reliably to be fixed, and makes support case member and case change body reliably close by flange gasket
Envelope.
Further, described fuse member includes a hollow outer tube, and equipped with seven-star pillar inside hollow outer tube, two ends are by rear outer
Cap presses lock sealing with front outer cap, described front outer cap is provided with the joint of hollow, described joint is provided with and carries melt portion
The screw thread that part is reliably connected, described after outer cap end face smooth reliable with rear conductive cap press after conductive contact；Described seven-star pillar
Uniformly many melts in coiling to periphery, equipped with ram part at the endoporus of middle part, described ram part pass through front outer cap located at
Inside joint；Described ram part and melt are to be connected in parallel；Described hollow outer tube periphery two ends are additionally provided with annular positioning groove,
It is provided with sealing ring in locating slot.
Further, described melt is composed in series by the fine silver fuse piece rushing narrow orifice and the silver strip two parts being cased with arc-extinguishing tube.
Further, the internal filling and seven-star pillar periphery between of described hollow outer tube inhales the quartz sand that arc acts on, and seven
Prong post adopts high tension insulator seven-star pillar.
Further, described load melt part includes allotype insulation bar and the linkage being connected with the joint screw thread of fuse member
Bar；Described allotype insulation bar adopts umbrella-skirt type structure with gangbar；Axial direction is offered on the side at described allotype insulation bar two ends
Draw-in groove, the length of described axial draw-in groove is more than the width of the left and right connecting lever of gangbar, and the left and right connecting lever of described gangbar loads special-shaped
After the axial draw-in groove of insulating bar two ends be respectively mounted make gangbar and allotype insulation bar connect into holistic ram and ejector pin, institute
State the screw turned left on arm in the end face of one end insertion allotype insulation bar one end ramed with gangbar to be closely connected, ejector pin one end
The screw turned right on arm with gangbar in the end face of the insertion allotype insulation bar other end is closely connected, on described allotype insulation bar also
It is provided with the back-moving spring making gangbar reset；It is provided with fine motion trigger and locking on the right side of described allotype insulation bar
The outer press cover of device, outer press cover is provided with binding post, and described fine motion trigger is reliable by inner lead with binding post
Connect, be also equipped with sealing gasket in the locating slot of outer press cover and the contact position of allotype insulation bar；The left end of described allotype insulation bar
Support is provided with face, between support and allotype insulation rod end surface, press-fits front conducting strip, rack positioning hole is provided with front electrode cap,
Described front conducting strip and front electrode cap are closely pressed by stage clip, and by the spacing fixation of support；Load support carrying melt part
During case member, described locking device makes load melt part lock with support case member using the alignment pin that aluminium gland is provided with.
Further, the installation in the hole of allotype insulation bar, the other end and gangbar right-hand member are inserted in described back-moving spring one end
Face contacts.
Further, described outer press cover is provided with shielding box, described fine motion trigger is arranged in shielding box.
Further, the bottom of allotype insulation bar left end lateral grooves is fixed in described stage clip one end, the other end with
The inner side of front conducting strip contacts.
The utility model has following beneficial effect：
The fuse member of the utility model fuse is electrically connected using screw thread with carrying melt part, insertion after connecting as one
Inside frame case member, and fuse member, carry melt part and support case member using closely press be conductively connected so that fuse more
Change more convenient.
Further, the utility model installs fine motion trigger in the shielding box on outer press cover, has action in fuse member
After signal, fine motion trigger is triggered and passes to signal on the binding post installed on outer press cover, connects by binding post
The external cable connecing, the actuating signal of fuse member is transferred to Control Room, makes load melt have signal upload function.
Further, in the locating slot of outer press cover and the contact position of allotype insulation bar, sealing gasket is installed, when carry melt with
When support shell dress closes, locked by locking device, and press sealing gasket, make fuse member be in full closeding state, to play protection against the tide
Effect.
Brief description
Fig. 1 is the utility model structural representation；
Fig. 2 is the structural representation of the utility model support case member 1；
Fig. 3 is the structural representation of the utility model fuse member 2；
Fig. 4 carries the structural representation of melt part 3 for the utility model；
Wherein：1 support case member；2 fuse members；3 load melt parts；4 rear electrode pieces；5 brute springs；Conductive cap after 6；7
Screen layer；8 support shells；Binding post before 9；10 profile seal pads；Electrode before 11；12 flange gaskets；13 aluminium glands；14 alignment pins；
Binding post after 15；Conducting ring after 16；Outer cap after 17；18 hollow outer tube；19 seven-star pillars；20 quartz sands；21 melts；22 arc extinguishings
Pipe；Outer cap before 23；24 joints；25 ram parts；26 supports；Conducting strip before 27；28 stage clips；Electrode cap before 29；30 ram；31
Allotype insulation bar；32 gangbar；33 ejector pins；34 back-moving springs；35 sealing gaskets；36 outer press covers；37 fine motion triggers；38 shieldings
Box；39 binding posts；40 locking devices.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail：
With reference to shown in Fig. 1, a kind of oil immersed type gamut protection high-voltage and current-limitation fuse of 10～15.5kV electric pressure, bag
Include support case member 1, fuse member 2 and carry melt part 3；Fuse member 2 is electrically connected by screw thread with carrying melt part 3, is connected as
Shape in support case member 1 is loaded integral after one；Described fuse member 2, load melt part 3 are closely pressed with support case member 1
Conjunction is conductively connected so that change of fuse is more convenient.
With reference to shown in Fig. 2：Aluminium gland 13 and support shell 8 are the tight pressing of interference fit, and aluminium gland 13 is provided with 4 peaces
Support case member 1 and case can be become body with bolt and reliably fix, and make support case member 1 and case by flange gasket 12 by dress hole
Become body to reliably seal, at support shell 8 and aluminium gland 13 cooperation, on support shell 8, have a boss, flange gasket 12 just boss with
Case becomes between panel, so that sealing reliability is greatly improved, support shell 8 rear portion endoporus is provided with screw thread, with the spiral shell on rear conducting ring 16
Line matches, and after cooperation tightens, on conducting ring 16 after compression, the face of cylinder of setting and two sealing rings of end face, play and be reliably connected
And sealing function, simultaneously after rear conductive cap 6 is installed on conducting ring 16, with screw by rear electrode piece 4 and rear conductive cap 6 and strength
Tower spring 5 is pressed on conducting ring 16 together, plays reliable contact effect, is provided with rear binding post 15 on rear conducting ring 16 simultaneously, with
Just it is connected with external cable.Support shell 8 middle part junction is provided with an installing hole, and front electrode 11 is provided with profile seal pad 10, and
From the internal loading of support shell 8, stretch out from installing hole and front binding post 9 is loaded, jointly compressed with nut and make profile seal pad
Reliably seal after 10 compressions.It is provided with screen layer 7 at support shell 8 middle part installing hole, play uniform electric field action.
With reference to shown in Fig. 3：Fuse member 2 includes a hollow outer tube 18, equipped with seven-star pillar 19, two ends inside hollow outer tube 18
Lock sealing is pressed with front outer cap 23 by rear outer cap 17, described front outer cap 23 is provided with the joint 24 of hollow, described joint 24
It is provided with and carries the screw thread that melt part 3 is reliably connected, described rear outer cap 17 end face smooth and rear conductive cap 6 reliability is led after pressing
Electrical contact；Uniformly coiling many melts 21, equipped with ram part 25 at the endoporus of middle part to described seven-star pillar 19 periphery；Described
Melt 21 is composed in series by the fine silver fuse piece rushing narrow orifice and the silver strip two parts being cased with arc-extinguishing tube 22；Described ram part 25 leads to
Cross front outer cap 23 inside joint 24；Described ram part 25 and melt 21 are to be connected in parallel, and high resistance, only when
When melt 21 cut-offs, high current transfers to ram part 25, and ram part 25 action is ejected shock and ramed 30；Described hollow
Outer tube 18 is internal to have filled the quartz sand 20 inhaling arc effect and seven-star pillar 19 periphery between, and seven-star pillar 19 adopts high tension insulator
Seven-star pillar.Described hollow outer tube 18 periphery two ends are additionally provided with annular positioning groove, are provided with sealing ring in locating slot.
With reference to shown in Fig. 4：Carry melt part 3 include the allotype insulation bar 31 threadeded with the joint 24 of fuse member 2 and
Gangbar 32；Described allotype insulation bar 31 and gangbar 32 adopt umbrella-skirt type structure；The side at described allotype insulation bar 31 two ends
On offer axial draw-in groove, the length of described axial draw-in groove is more than the width of the left and right connecting lever of gangbar 32, described gangbar 32
After the axial draw-in groove of left and right connecting lever loading allotype insulation bar 31, two ends are respectively mounted and so that gangbar 32 is connected with allotype insulation bar 31
Integral ram 30 and ejector pin 33, described ram 30 one end insert allotype insulation bar 31 one end end face in and gangbar
32 screws turned left on arm closely connect, and ejector pin 33 one end is inserted right with gangbar 32 in the end face of allotype insulation bar 31 other end
Screw on connecting lever closely connects, and described allotype insulation bar 31 is additionally provided with the back-moving spring 34 making gangbar 32 reset, multiple
The installation in the hole of allotype insulation bar 31 is inserted in position spring 34 one end, and the other end is contacted with gangbar 32 right side；Described abnormal shape
It is reliably connected the outer press cover 36 with fine motion trigger 37 and locking device 40 for the installation, fine motion with screw on the right side of insulating bar 31
In the shielding box 38 that trigger 37 is arranged on outer press cover 36, outer press cover 36 is provided with binding post 39, described fine motion is touched
Send out device 37 to be reliably connected by inner lead with binding post 39, in locating slot contact with allotype insulation bar 31 of outer press cover 36
Place is also equipped with sealing gasket 35, and sealing ring 35 seals after being compressed；Install on the left side of described allotype insulation bar 31
There is support 26, press-fit front conducting strip 27 between support 26 and allotype insulation bar 31 end face, support 26 location hole is provided with front electrode
Cap 29, described front conducting strip 27 and front electrode cap 29 are closely pressed by stage clip 28, and by the spacing fixation of support 26.Described stage clip
The bottom of allotype insulation bar 31 left end lateral grooves is fixed in 28 one end, and the other end is connected with the inner side of front conducting strip 27
Touch.
When carrying melt part 3 loading support case member 1, the positioning that described locking device 40 is provided with using aluminium gland 13
Pin 14 makes load melt part 3 and support case member 1 lock.
Before when carrying melt part 3 and installing with support case member 1, electrode cap 29 is closely pressed with front electrode 11 by stage clip 28
Electricity Federation, presses sealing gasket 35 by locking device 40, makes the internal positive sealing of support case member 1, waterproof, protection against the tide, dust-proof, performance
Excellent.
The course of work：After load melt part 3 is reliably connected with fuse member 2, load in support case member 1, with locking dress
After putting 40 lockings, press sealing gasket 35, so that support shell is internally formed hermetically sealed, after fuse member 2 generation action, in fuse member 2
Ram part 25 action is ejected, and rams 30, makes gangbar 32 to reach in the axial draw-in groove of allotype insulation bar 31
Dynamic, ejector pin 33 clashes into fine motion trigger 37 in moving forward, and fine motion trigger 37 produces electric signal, and by the wiring turning on therewith
The communication conductor connecting on terminal 39 is transferred to control machine room.After trouble shooting, back-moving spring 34 makes gangbar 32 reset, and completes
All work.
Claims (10)
1. a kind of 10～15.5kV electric pressure oil immersed type gamut protection high-voltage and current-limitation fuse it is characterised in that：Including
Support case member (1), fuse member (2) and load melt part (3)；Described fuse member (2) and load melt part (3) are by screw thread electricity
Connect, load shape in support case member (1) after connecting as one integral；Described fuse member (2), carry melt part (3) with
Closely pressing is conductively connected support case member (1).
2. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 1
Device it is characterised in that：Described support case member (1) includes support shell (8), and the outside one end of support shell (8) is provided with is easy to positioning aluminium
Gland (13) and the boss laying flange gasket (12), middle part junction is provided with an installing hole including rectangle mounting platform, peace
Electrode (11) before dress in the hole setting, front electrode (11) is provided with a cannelure, setting profile seal pad (10), described support in groove
Threaded rear conducting ring (16) at shell (8) other end endoporus, rear conducting ring (16) both sides be respectively mounted rear binding post (15),
Conductive cap (6) afterwards, described rear binding post (15) is connected with rear conducting ring (16) by bolt, and described rear conductive cap (6) is passed through
Strength tower spring (5) and rear electrode piece (4) use screw closely to press with rear conducting ring (16)；Also set at described support shell intermediate contact
There is front binding post (9), front binding post (9) place is wound around the screen layer (7) of uniform electric field.
3. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 2
Device it is characterised in that：Aluminium gland (13) and support shell (8) are the tight pressing of interference fit, and aluminium gland (13) is provided with 4 peaces
Support case member (1) and case are become body with bolt and reliably fix, and make support case member (1) by flange gasket (12) by dress hole
Become body with case to reliably seal.
4. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 1
Device it is characterised in that：Described fuse member (2) includes a hollow outer tube (18), and hollow outer tube (18) inside is equipped with seven-star pillar
(19), two ends press lock sealing by rear outer cap (17) with front outer cap (23), and described front outer cap (23) is provided with connecing of hollow
Head (24), described joint (24) is provided with and carries the screw thread that melt part (3) is reliably connected, and described rear outer cap (17) end face is smooth
Conductive contact after reliably pressing with rear conductive cap (6)；Uniformly many melts (21) in coiling to described seven-star pillar (19) periphery, in
Equipped with ram part (25) at portion's endoporus, it is internal located at joint (24) that described ram part (25) passes through front outer cap (23)；
Described ram part (25) and melt (21) are to be connected in parallel；Described hollow outer tube (18) periphery two ends are additionally provided with circular orientation
Groove, is provided with sealing ring in locating slot.
5. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 4
Device it is characterised in that：Described melt (21) is connected with the silver strip two parts being cased with arc-extinguishing tube (22) by the fine silver fuse piece rushing narrow orifice
Composition.
6. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 4
Device it is characterised in that：Described hollow outer tube (18) is internal to have filled, and seven-star pillar (19) periphery between, the quartz inhaling arc effect
Sand (20), seven-star pillar (19) adopts high tension insulator seven-star pillar.
7. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 1
Device it is characterised in that：Described load melt part (3) includes the allotype insulation bar threadeded with the joint (24) of fuse member (2)
And gangbar (32) (31)；Described allotype insulation bar (31) adopts umbrella-skirt type structure with gangbar (32)；Described allotype insulation bar
(31) axial draw-in groove is offered on the side at two ends, the length of described axial draw-in groove is more than the width of the left and right connecting lever of gangbar (32)
Degree, after the left and right connecting lever of described gangbar (32) loads the axial draw-in groove of allotype insulation bar (31), two ends are respectively mounted and make gangbar
(32) with allotype insulation bar (31) connect into holistic ram (30) and ejector pin (33), described ram (30) one end insertion different
The screw on arm of being turned left with gangbar (32) in the end face of type insulating bar (31) one end is closely connected, and the insertion of ejector pin (33) one end is different
The screw on arm of being turned right with gangbar (32) in the end face of type insulating bar (31) other end is closely connected, described allotype insulation bar
(31) it is additionally provided with the back-moving spring (34) making gangbar (32) reset on；Install on the right side of described allotype insulation bar (31)
There is the outer press cover (36) with fine motion trigger (37) and locking device (40), outer press cover (36) be provided with binding post (39),
Described fine motion trigger (37) and binding post (39) are reliably connected by inner lead, outer press cover (36) locating slot with different
The contact position of type insulating bar (31) is also equipped with sealing gasket (35)；On the left side of described allotype insulation bar (31), support is installed
(26), press-fit front conducting strip (27) between support (26) and allotype insulation bar (31) end face, before support (26) location hole is provided with
Electrode cap (29), described front conducting strip (27) and front electrode cap (29) are passed through stage clip (28) and are closely pressed, and are limited by support (26)
Position is fixing；When carrying melt part (3) loading support case member (1), described locking device (40) utilizes and sets on aluminium gland (13)
Some alignment pins (14) make load melt part (3) lock with support case member (1).
8. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 7
Device it is characterised in that：Installation in the hole, the other end and the gangbar of allotype insulation bar (31) is inserted in described back-moving spring (34) one end
(32) right side contacts.
9. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 7
Device it is characterised in that：Shielding box (38) is provided with described outer press cover (36), described fine motion trigger (37) is arranged at shielding box
(38) in.
10. a kind of oil immersed type gamut protection high-voltage and current-limitation of 10～15.5kV electric pressure fuses as claimed in claim 7
Device it is characterised in that：The bottom of allotype insulation bar (31) left end lateral grooves is fixed in described stage clip (28) one end, another
End is contacted with the inner side of front conducting strip (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991757.6U CN205944019U (en) | 2016-08-29 | 2016-08-29 | 10 oily formula gamut protection high voltage current limiting fuse of~15. 5kV electric pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620991757.6U CN205944019U (en) | 2016-08-29 | 2016-08-29 | 10 oily formula gamut protection high voltage current limiting fuse of~15. 5kV electric pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205944019U true CN205944019U (en) | 2017-02-08 |
Family
ID=57955296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620991757.6U Active CN205944019U (en) | 2016-08-29 | 2016-08-29 | 10 oily formula gamut protection high voltage current limiting fuse of~15. 5kV electric pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205944019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216126A (en) * | 2018-11-13 | 2019-01-15 | 镇江天力变压器有限公司 | A kind of anti-high pressure gamut protection produces structure with limiting fuse fusible core |
-
2016
- 2016-08-29 CN CN201620991757.6U patent/CN205944019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216126A (en) * | 2018-11-13 | 2019-01-15 | 镇江天力变压器有限公司 | A kind of anti-high pressure gamut protection produces structure with limiting fuse fusible core |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202978201U (en) | Intelligent high-voltage cable joint of built-in partial discharge sensor | |
| CN103400720B (en) | A kind of solid insulation pole | |
| CN204178930U (en) | Power-off explosion-proof type capacitor | |
| CN205944019U (en) | 10 oily formula gamut protection high voltage current limiting fuse of~15. 5kV electric pressure | |
| CN201781216U (en) | Load switch cabinet | |
| CN209232663U (en) | Insulated switch on a kind of shield type column | |
| CN102376506B (en) | Full-insulated fuse for buried combined transformer | |
| CN206481053U (en) | A kind of surge protection module | |
| CN205944006U (en) | Oily formula gamut protection high voltage current limiting fuse is with carrying fuse -element | |
| CN217955793U (en) | Fuse convenient for replacing parts | |
| CN202661488U (en) | Special end screen leading out structure for online monitoring | |
| CN101465522B (en) | Elastic card piece connected with rectangular bus bar and shielding cover as well as bus bar insulated sleeve component | |
| CN202872081U (en) | Connector used for high-tension line connection | |
| CN204885471U (en) | Electrical equipment binding post | |
| CN205810565U (en) | A kind of metal shell three-phase ground voltage transformer | |
| CN205680889U (en) | A kind of rotation adjustable connector base | |
| CN208690037U (en) | A kind of arrester | |
| CN107332108A (en) | A kind of graphite gap type surge protective device | |
| CN204760567U (en) | Insulated wire L type connecting terminal | |
| CN202126982U (en) | All-insulation fuse used for underground combination transformer | |
| CN204333737U (en) | Full-insulated full-sealed solid cabinet fuse unit | |
| CN209395600U (en) | A kind of a.c. electric car charging connecting device | |
| CN105321636A (en) | Axial lead type temperature insurance resistor | |
| CN201153192Y (en) | Elastic fastener connecting rectangular bus and shielding cover, bus dielectric tubular component | |
| CN205159013U (en) | Axial lead wire type temperature insurance resistor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |