CN207529786U - Liquid immersion type power equipment epoxy resin bushing - Google Patents
Liquid immersion type power equipment epoxy resin bushing Download PDFInfo
- Publication number
- CN207529786U CN207529786U CN201721296411.5U CN201721296411U CN207529786U CN 207529786 U CN207529786 U CN 207529786U CN 201721296411 U CN201721296411 U CN 201721296411U CN 207529786 U CN207529786 U CN 207529786U
- Authority
- CN
- China
- Prior art keywords
- insulator
- epoxy resin
- mounting seat
- power equipment
- liquid immersion
- 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.)
- Expired - Fee Related
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- 239000003822 epoxy resin Substances 0.000 title claims abstract description 42
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 title claims abstract description 28
- 238000007654 immersion Methods 0.000 title claims abstract description 22
- 239000012212 insulator Substances 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 12
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 abstract description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 238000005058 metal casting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 206010039792 Seborrhoea Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 208000008742 seborrheic dermatitis Diseases 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model is related to a kind of liquid immersion type power equipment epoxy resin bushing, described sleeve pipe has epoxyresin insulator, and the insulator exterior is provided with mounting seat, and the mounting seat upper is useful for the fastener insert of installation fuel tank for power device lid；Insulator upper and lower ends are provided with seal groove, and sealing ring is provided in seal groove；The casing uses weathe resistance epoxy resin as main material, substitutes the ceramic body casing that original china clay is raw material completely；It is hot-forming using particular manufacturing craft using automatic moulding forcing press；The characteristics of it is advanced with the means of production, and manual intervention is few, and finished product rate is high；There is the epoxy resin bushing produced full skirt to be poured into a mould together with insulator and electric conductor, and the product of formation has the features such as insulation performance is high, excellent electric properties, high mechanical strength, the good weatherability of product.
Description
Technical field
The utility model is related to liquid to soak field of electrical equipment, especially designs a kind of liquid immersion type power equipment epoxy resin set
Pipe.
Background technology
At present, the casing for being used to connect extracting device body lead generally used on liquid leaching power equipment is porcelain bushing type knot
Structure, the main body of such sleeve structure are the insulators that china clay material forms by a firing, and play insulation and mechanical strength.During the insulator is
Hollow structure, conductor pass through insulator extraction cable forming sleeves.The mounting structure of porcelain bushing type casing is using metal pressure ring or gold
Belong to casting die to be pressed in the installation pedestal of insulator in itself, be fixed together with bolt on power equipment case lid top with case lid.It is this
The inherent defect of the structure of product is：1. installing metalwork easy-to-rust, and insulator can be caused to loosen, liquid leaching power equipment leakage
Oil.2. the embrittlement characteristic of insulator in itself so that metal installed part stress is difficult to control during installation, is otherwise easy to cause insulator cracking
Damage.3. the porcelain bushing type structural casing is due to the limitation of insulator manufacturing process, it has to use exposed rubber gasket, the rubber
Glue gasket service life under the irradiation of daily ultraviolet light is shorter.Influence the operation and maintenance of power equipment.
Invention content
Technical problem to be solved in the utility model, which is to provide one kind, to be had good insulation and mechanical strength and is easy to
Installation, oil-free, the liquid immersion type power equipment epoxy resin bushing without exposed corrosion metals installed part, without exposed rubber pad.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of liquid immersion type electricity
Power equipment epoxy resin bushing, including being in umbrella by the outside of the integrally formed insulator of epoxide resin material, the insulator
Skirt structure, inside center are provided with conducting rod, the insulator exterior be provided with its integrally formed mounting seat, it is described
Mounting seat upper be useful for installation fuel tank for power device lid fastener insert, the fastener insert be threaded insert, electric power
Equipment fuel tank cap with the installation bolt of fastener insert thread fitting by being fixed in mounting seat, the fuel tank for power device lid
Gasket is provided between mounting seat, which blocks by being arranged on the outer retainer ring spacing of mounting seat lower part；Institute
It states insulator upper and lower ends and the position of conducting rod is provided with seal groove, be provided in the seal groove of insulator upper end
Sealing ring, sealing ring limits fixation, the seal groove positioned at insulator lower end by being arranged on the upper trim ring of insulator upper end on this
Lower seal is inside provided with, which limits fixation by being arranged on the lower clamping ring of insulator lower end.
Preferably, the full skirt of the insulator exterior is in big umbellule cross structure, is located at the middle and upper part of insulator.
Preferably, the mounting seat is located at the lower section of insulator full skirt shape structure.
Preferably, there are four the fastener insert tools, rounded array is in mounting seat.
Compared with prior art, the utility model is beneficial in that：This liquid immersion type power equipment epoxy resin
Casing uses weathe resistance epoxy resin as main material, in addition corresponding curing agent and appropriate filler, form liquid mixture,
Hot-press solidifying forms casing main body, substitutes the ceramic body casing that original china clay is raw material completely；Using automatic moulding forcing press,
It is hot-forming using particular manufacturing craft；The characteristics of it is advanced with the means of production, and manual intervention is few, and finished product rate is high；It is produced
Epoxy resin bushing there is full skirt and insulator and electric conductor cast together, the product of formation has that insulation performance is high, electricity
The features such as gas is had excellent performance, high mechanical strength, the good weatherability of product.
Description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the utility model liquid immersion type power equipment epoxy resin bushing structure diagram；
Fig. 2 is that the utility model liquid immersion type power equipment manufactures die face structure diagram with epoxy resin bushing；
Fig. 3 is that the utility model liquid immersion type power equipment manufactures mold side structure schematic diagram with epoxy resin bushing；
Fig. 4 is that the utility model liquid immersion type power equipment manufactures mold overlooking the structure diagram with epoxy resin bushing；
Fig. 5 is that the utility model liquid immersion type power equipment manufactures the signal of lower mould top structure with epoxy resin bushing
Figure.
In figure：1st, insulator；2nd, conducting rod；3rd, mounting seat；4th, fastener insert；5th, outer baffle ring；6th, fuel tank for power device
Lid；7th, upper sealing ring；8th, upper trim ring；9th, lower seal；10th, lower clamping ring；11st, installation bolt；12nd, gasket；21st, inserts is fixed
Position；22nd, lower die；23rd, upper cavity；231st, left mould chamber；232nd, right mould chamber；24th, lower mode cavity；25th, upper die head；26th, lower die head；27、
Sprue；28th, material feeding slot；29th, quiet mould；30th, dynamic model；31st, the quiet template of forcing press；32nd, forcing press moving platen；33rd, under forcing press
Template.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of liquid immersion type power equipment epoxy resin bushing shown in Fig. 1, including integrally formed by epoxide resin material
Insulator 1, in full skirt shape structure, inside center is provided with conducting rod 2 for the outside of the insulator 1, outside the insulator 1
Full skirt is in big umbellule cross structure, is located at the middle and upper part of insulator 1；It is provided with outside the insulator 1 and is integrally formed with it
Mounting seat 3, the mounting seat 3 is located at the lower section of 1 full skirt shape structure of insulator, and 3 upper of mounting seat is useful
In the fastener insert 4 of installation fuel tank for power device lid 6, the fastener insert 4 is threaded insert, and fuel tank for power device lid 6 passes through
It is fixed in mounting seat 3 with the installation bolt 11 of 4 thread fitting of fastener insert, there are four the tools of fastener insert 4, rounded
Array is in mounting seat 3；Gasket 12 is provided between the fuel tank for power device lid 6 and mounting seat 3, the gasket 12
It is limited and blocked by the outer baffle ring 5 for being arranged on 3 lower part of mounting seat；1 upper and lower ends of insulator are close to the position of conducting rod
Seal groove is provided with, upper sealing ring 7 is provided in the seal groove of 1 upper end of insulator, sealing ring 7 is by being arranged on absolutely on this
The limiting of upper trim ring 8 of 1 upper end of edge body is fixed, and lower seal 9 is provided in the seal groove of 1 lower end of insulator, the lower sealing
Circle 9 limits fixation by being arranged on the lower clamping ring 10 of 1 lower end of insulator.
The liquid immersion type power equipment has the characteristics that the insulator 1 of casing is epoxy resin with epoxy resin bushing, with
External full skirt is integral, and is poured into a mould together with conducting rod 2, inside pipe casing oil-free whole in one, and the feature does not cause casing to have
There are significant insulation improvement advantage and very high mechanical strength；Full skirt is in big umbellule cross structure, increases external insulation distance.Together
When due to the use of dedicated epoxy resin, the hydrophobic property of full skirt is excellent；Mounting seat 3 is integrated with full skirt body, mounting seat 3
Lower part is equipped with an external baffle ring 5 so that gasket 12 is limited, while ultraviolet light can not be irradiated to the gasket of rubber material
12, effectively prevent aging cracking phenomenon so that the non-maintaining of casing is possibly realized；3 bottom pouring of mounting seat embeds tight
Gu inserts 4, simple in structure for carrying out the fixed installation of casing with installation bolt 11 from 6 lower part of fuel tank for power device lid, it is easy to
Operation, while the mode that portion's metal casting die installation casing is covered in fuel tank for power device of traditional sleeve is avoided, it overcomes
Not the problem of not pressing tightly casing and metal casting die easily get rusty damage, causing power equipment leakage of oil；1 upper and lower side of sleeve insulator
There are seal groove at the conducting rod 2, with sealing ring indentation sealing slot, with 1 tight seal of conducting rod 2 and insulator, it is ensured that
Ne-leakage.
A kind of liquid immersion type power equipment manufactures mold with epoxy resin bushing shown in Fig. 2 to Fig. 5, has quiet mould 29, dynamic model
30 and lower die 22；30 or so the cooperation of the quiet mould 29 and dynamic model, the inside after cooperation have full skirt, the main body for being used to form casing
Top and the upper cavity 23 of mounting base main body；The lower die 22 is located at the bottom of quiet mould 29 and dynamic model 30, is internally provided with use
In the lower mode cavity 24 for forming casing tail portion, the lower mode cavity 24 and the position of upper cavity 23 are corresponding up and down, are set in lower mode cavity 24
It is useful for placing the inserts positioning 21 of fastener insert 4；The top of the upper cavity 23 and the bottom of lower mode cavity 24 are respectively arranged with
For the upper die head 25 of locating sleeve conducting rod and lower die head 26, the upper die head 25 and lower die head 26 are punched-type structure,
It is installed convenient for conducting rod 2；The top of the lower die 22 is provided with the material feeding slot 28 communicated with lower mode cavity 24, and the material feeding slot 28 is with setting
The sprue 27 in 22 outside of lower die is put to connect.
In order to improve injection efficiency, there are two the tools of upper cavity 23 that the quiet mould 29 and dynamic model 30 are formed after coordinating, and is divided into
Left mould chamber 231 and right mould chamber 232 are provided with and position corresponding lower mode cavity identical with 23 quantity of upper cavity in the lower die 22
24。
The liquid immersion type power equipment manufactures mold with epoxy resin bushing and has the characteristics that, using dedicated epoxy resin
Automatic pressure gel technology, automatic gel pressure machine is hot-forming, automatically controls molding time；Particular manufacturing craft, two chamber of a mould, mould
Have easy to operate, cleaning is convenient, and product material feeding is convenient, goes out that formed product is fast, the high yield rate of production efficiency and product；During material feeding
It is fed using the same sprue 27 of two chambers, it is easy to operate, save raw material；Used mold is divided into quiet mould 29,30 and of dynamic model
Lower die 22, upper die head 25 and lower die head 26, wherein, quiet mould 29 and dynamic model 30 are used to form the full skirt of casing and body top and peace
Fill the main body of pedestal 3；Upper die head 25 and lower die head 26 are used for the conducting rod 2 of locating sleeve；Lower die 22 is used to form the tail of casing
Portion, and position the fastener insert 4 of embedded casing mounting seat 3；The sprue 27 of mold is located at 22 top of lower die, material feeding slot 28
In in lower die 22 connect sprue 27 and with the mould cavity of quiet mould 29, dynamic model 30 and lower die 22.
The liquid immersion type power equipment epoxy resin bushing manufacturing method, includes the following steps：
A, according to the requirement of epoxy resin, the mold on the automatic gel pressure machine of epoxy resin is preheated to
Suitable temperature；
B, mold is cleared up, the warmed-up effective conducting rod of set and fastener insert are mounted on mold；
C, mold internal and external temperature is examined, when temperature is suitable, using suitable air pressure, the liquid epoxy tree that will be stirred
Fat batch mixing is injected into mold；
D, rule of thumb judge, confirm that epoxide resin material has filled in die cavity, pressurize of pressurizeing continues material feeding, it is ensured that production
Compact density after product resin solidification；
E, confirm that product cures in in-mold molding, shaped article is taken out in die sinking；
F, removing surface is carried out to shaped article, and is put into after baking oven carries out and cures, complete manufacture；
G, cleaning mold is arranged, into next group production.
Specifically, the casing product mold that cleaning is mounted on automatic gel pressure machine is first checked for, wherein automatic gel
The quiet template of forcing press on forcing press is connect with the left side of quiet mould 29, and forcing press moving platen 32 is connect with the right side of dynamic model 30, pressure
Power machine lower template 33 is connect with the bottom of lower die 22, and when confirming that mold neatly can be used, the warm up mode on Opening pressure machine is right
Mold is preheated.
Using high-quality epoxy resin and relevant curing agent and main stuffing, such as silicon powder, according to epoxy resin and curing
Agent characteristic prepares mixture with production product quantity, and adds in a certain proportion of color according to product colour requirement by a certain percentage
Slurry.The process carries out in the agitator tank of dedicated epoxy resin ingredient mixer.Agitating procedure is as follows：Start blender, first
Mixture in agitator tank is stirred evenly, is about needed 10 minutes, is started blender vacuum pump later, stirring is directed at while stirring
Tank vacuumizes, about 20 minutes, reaches authentic dummy status, and mixing time, which continues, lasts about 2 hours or so.Through the inspection hole of agitator tank
The bubble regime of mixture is observed, stop stirring when confirming bubble-free and vacuumizes work, and release vacuum state.It will stirring
Tank is moved on to from blender by automatic gel pressure machine.
It checks the mold temperature on automatic gel pressure machine, when reaching requirement, opens mold, mold is clear again
Reason, and spray wiping releasing agent.The effective conducting rod 2 of this set for having been subjected to preheating is inserted into die head 26 up and down later and is positioned, then
The fastener insert 4 of preheating is placed to the inserts positioning 21 in lower die 22.After checking again for mold and the correct installation of attachment, start pressure
Power machine lower template 33 is risen to upwards close to the quiet template 31 of forcing press；Start forcing press moving platen 32, dynamic model 30 is automatically mounted into
On quiet mould 29, it is again started up lower die 22 upwards, connects together with quiet mould 29 and dynamic model 30.
The pressure pipe of aerostatic press is connected on the special purpose interface of agitator tank, and pacifies technological requirement to sufficient pressure.Connection stirring
The discharge nozzle of tank lower part is to mold into sprue 27.Mold temperature is checked again for, after reaching requirement, opens agitator tank discharge port valve
Door, pressure starts material feeding as required.The die slot between the quiet mould 29 of mould upstream and dynamic model 30 is observed, when there is a small amount of asphalt mixtures modified by epoxy resin seborrhea
Go out, intensified pressure and start self-clocking pressurize at once.
Reach predicted cure time, at this moment forcing press automatic alarm turns off the discharge valve of agitator tank lower part.By filling tube
It is removed from mold.It checks cleaning die surface, after confirmation is without exception, starts press machine lower die plate 33, drive lower die 22 downward
The dynamic model 30 and quiet mould 29 being detached from above it, at this moment lower die head 26 remain attached in lower die 22.The motor-driven mould of restarting pressure later
Plate 32 removes dynamic model 30 from quiet mould 29.
It checks product and mold state, casing together with upper die head 25 from mold is removed, workbench is moved to, by upper die head
25 remove from the conducting rod 2 of casing, check and clear up casing, remove die slot clout, and consolidate after casing is sent to baking oven progress
Change, check die head, clear up defective material, releasing agent is wiped in spray, and molding preheats again, is poured into a mould into next round.
After the completion of casing curing, sealing ring is fitted into the seal groove of casing upper and lower side, installation trim ring compresses, and install
Nut completes product manufacturing.
This liquid immersion type power equipment has with epoxy resin bushing uses weathe resistance epoxy resin as main material, in addition phase
The curing agent and appropriate filler answered, form liquid mixture, and hot-press solidifying forms casing main body, substitutes original china clay completely
Ceramic body casing for raw material；It is hot-forming using particular manufacturing craft using automatic moulding forcing press；It is with means of production elder generation
Into the characteristics of manual intervention is few, and finished product rate is high；The epoxy resin bushing produced has full skirt and insulator and electric conductor
Together, the product of formation has insulation performance height, excellent electric properties, high mechanical strength, good weatherability of product etc. for cast
Feature.
It is emphasized that：The above is only the preferred embodiment of the present utility model, and not the utility model is appointed
What formal limitation, every any simple modification made according to the technical essence of the utility model to above example, etc.
With variation and modification, in the range of still falling within technical solutions of the utility model.
Claims (4)
1. a kind of liquid immersion type power equipment epoxy resin bushing, including by the integrally formed insulator of epoxide resin material（1）,
The insulator（1）Outside in full skirt shape structure, inside center is provided with conducting rod（2）, it is characterised in that：The insulator
（1）Outside is provided with and its integrally formed mounting seat（3）, the mounting seat（3）Upper is useful for installation electric power and sets
Standby fuel tank cap（6）Fastener insert（4）, the fastener insert（4）For threaded insert, fuel tank for power device lid（6）By with it is tight
Gu inserts（4）The installation bolt of thread fitting（11）It is fixed on mounting seat（3）On, the fuel tank for power device lid（6）With peace
Fill pedestal（3）Between be provided with gasket（12）, the gasket（12）By being arranged on mounting seat（3）The outer baffle ring of lower part
（5）Limiting is blocked；The insulator（1）Upper and lower ends are provided with seal groove close to the position of conducting rod, positioned at insulator（1）On
Sealing ring is provided in the seal groove at end（7）, sealing ring on this（7）By being arranged on insulator（1）The upper trim ring of upper end（8）
Limiting is fixed, positioned at insulator（1）Lower seal is provided in the seal groove of lower end（9）, the lower seal（9）By being arranged on
Insulator（1）The lower clamping ring of lower end（10）Limiting is fixed.
2. liquid immersion type power equipment epoxy resin bushing according to claim 1, it is characterised in that：The insulator
（1）External full skirt is located at insulator in big umbellule cross structure（1）Middle and upper part.
3. liquid immersion type power equipment epoxy resin bushing according to claim 1, it is characterised in that：The mounting seat
（3）Positioned at insulator（1）The lower section of full skirt shape structure.
4. liquid immersion type power equipment epoxy resin bushing according to claim 1, it is characterised in that：The fastener insert
（4）There are four tools, and rounded array is in mounting seat（3）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296411.5U CN207529786U (en) | 2017-10-10 | 2017-10-10 | Liquid immersion type power equipment epoxy resin bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296411.5U CN207529786U (en) | 2017-10-10 | 2017-10-10 | Liquid immersion type power equipment epoxy resin bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207529786U true CN207529786U (en) | 2018-06-22 |
Family
ID=62569747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721296411.5U Expired - Fee Related CN207529786U (en) | 2017-10-10 | 2017-10-10 | Liquid immersion type power equipment epoxy resin bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207529786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071596A (en) * | 2020-08-04 | 2020-12-11 | 国家电网有限公司 | Power transformer with running state alarm |
-
2017
- 2017-10-10 CN CN201721296411.5U patent/CN207529786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071596A (en) * | 2020-08-04 | 2020-12-11 | 国家电网有限公司 | Power transformer with running state alarm |
| CN112071596B (en) * | 2020-08-04 | 2024-04-19 | 国家电网有限公司 | Power transformer with running state alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 |