CN109065326A - A kind of transformer maintenance process - Google Patents
A kind of transformer maintenance process Download PDFInfo
- Publication number
- CN109065326A CN109065326A CN201810955825.7A CN201810955825A CN109065326A CN 109065326 A CN109065326 A CN 109065326A CN 201810955825 A CN201810955825 A CN 201810955825A CN 109065326 A CN109065326 A CN 109065326A
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- China
- Prior art keywords
- transformer
- insulation plate
- fusion tube
- movable contact
- contact
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- 238000012423 maintenance Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 74
- 230000004927 fusion Effects 0.000 claims abstract description 58
- 230000001131 transforming effect Effects 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 34
- 229910052753 mercury Inorganic materials 0.000 claims description 34
- 230000000694 effects Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01H85/0078—Security-related arrangements
-
- 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
- H01H85/38—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Security & Cryptography (AREA)
- Fuses (AREA)
Abstract
The invention belongs to field transformer, specifically a kind of transformer maintenance process, the maintenance process includes the following steps: to install shield in the external of transformer；It is high-tension fuse by the change of fuse of inside transformer, prevents from damaging inside transformer route when transformer breaks down；Insulating boot is installed additional in the distribution transforming height pressure side of transformer, and preventing from falling thing in transformer connection stake makes low-voltage short-circuiting and burn distribution transforming；Silica gel in inside transformer dehydrating breather is dried, the dielectric strength of transformer oil in transformer is kept；Wherein high-tension fuse includes support unit, connection unit and fusing unit; when the fusible link in the unit that fuses passes through high-tension current; fusible link can occur to fuse and generate a large amount of high temperature and high pressure gas; and the rubber stopper in the gas outlet of fusion tube side wall is washed away; high temperature and high pressure gas is overflowed from gas outlet causes the lower insulation plate in support unit to rotate; it causes route to fuse, plays the role of protecting circuit.
Description
Technical field
The invention belongs to field transformer, specifically a kind of transformer maintenance process.
Background technique
The maintenance of transformer is electrician operator and repairman to keep the normal technology state of transformer,
Prolong the service life the routine work that must be carried out.The maintenance of transformer is the important content in electric equipment management.
If maintenance mastery work is made in place, the failure rate of equipment can be not only reduced, maintenance cost is saved, reduces cost, simultaneously
Good economic benefit can also be brought to company and employee.
But for the transformer of earlier operation, on the one hand limited by influence factors such as material at that time, design, manufactures, separately
On the one hand the accident of the cumulative effect run for many years, transformer short-circuit damage is no longer accidental single incident, damage
The frequency affected the reliability service of power grid, cause huge economic loss.In recent years, in conjunction with various types of transformers
Anti-short circuit capability research, carries out for the maintenance work of transformer in each Utilities Electric Co. successively, and transformation achieves different levels
Effect is made that positive contribution to the safe operation of power grid, but maintenance process lacks unified step, needs to be further improved.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of transformer maintenance process proposed by the present invention, the process employs one
Kind high-tension fuse, high-tension fuse support entire circuit by setting support unit, make to fuse by the way that connection unit is arranged
Silk is located inside fusion tube, effectively avoids fusible link oxidation by air, and fusible link fusing is realized under the action of fusing unit, is realized
Protect the effect of the circuit of inside transformer.
The technical solution adopted by the present invention to solve the technical problems is: a kind of transformer maintenance side of the present invention
Method, the maintenance process comprise the following steps:
Step 1: external in transformer installs shield, and extraneous adverse circumstances is effectively prevent to make the shell of transformer
At damage, the security risk constituted to inside transformer structure is reduced；
Step 2: being high-voltage fuse by the change of fuse of inside transformer after the shield in step 1 installs
Device prevents from damaging inside transformer route when transformer breaks down；
Step 3: after the high-tension fuse in step 2 is more finished changing, insulation is installed additional in the distribution transforming height pressure side of transformer
Cover, preventing from falling thing in transformer connection stake makes low-voltage short-circuiting and burns distribution transforming；
Step 4: after the insulating boot in step 3 installs, being dried the silica gel in inside transformer dehydrating breather,
And then keep the dielectric strength of transformer oil in transformer；
Wherein, high-tension fuse described in step 2 includes support unit, connection unit and fusing unit, the support
Unit is used to support connection unit and fusing unit；The connection unit is for assisting fusing cell operation；The fusing unit
For realizing the fusing of circuit.When circuital current overload, under the mutual synergism of support unit and connection unit, fusing
Unit realizes high-voltage fuse function, to protect to circuit.
The support unit includes upper insulation plate, lower insulation plate, thread bush, shaft and torsional spring, and the upper insulation plate is under
Horizontally disposed above and below insulation board, lower insulation plate is located at the underface of upper insulation plate；The thread bush is vertically installed at lower insulation plate
Upper surface on；The shaft is mounted on the left side of lower insulation plate, and torsional spring, one end of torsional spring are arranged between shaft and lower insulation plate
It is connect with shaft, the other end of torsional spring is connect with lower insulation plate.When line current overload, lower insulation plate can occur around shaft
Rotation, separates connection unit, and then realizes the protection to circuit.
The connection unit includes fusion tube, rubber stopper, lower contact, upper contact head, upper movable contact, lower movable contact and fusing
Silk, the fusion tube are connected to vertically on the upper surface of lower insulation plate, and fusion tube is located at the lower section of upper insulation plate, and fusion tube is located at thread bush
Inside, fusion tube are tubular, and the central axis of fusion tube is placed vertically, and screw thread, and the bottom of fusion tube is arranged in the bottom outer surface of fusion tube
The screw thread of portion outer surface and the internal whorl of thread bush cooperate, and the side wall of fusion tube opens up gas outlet, and gas outlet is located at screw thread
The top of set；The rubber stopper is located in gas outlet；The lower contact is mounted on the upper surface of lower insulation plate；The upper contact head
It is mounted on the bottom of upper insulation plate, lower contact and upper contact head are respectively positioned on inside fusion tube；The upper movable contact and lower movable contact
It is successively connected horizontally on fusion tube inner wall from top to bottom, lower movable contact and lower contact, upper movable contact connect with upper contact head
Touching；The fusible link is vertically arranged in the inside center of fusion tube, and the both ends of fusible link are touched with upper movable contact and lower activity respectively
The center connection of head.When work, when fusible link passes through high-tension current, fusible link can occur to fuse and generate a large amount of high temperature height
It calms the anger body, and the rubber stopper in the gas outlet of fusion tube side wall is washed away, high temperature and high pressure gas is overflowed from gas outlet, and keeps fusing single
Member works, so that fusible link be made to fuse, and then has the function that protection circuit.
The fusing unit includes No.1 bar, No. two bars, mercury telescopic rod, cylinder, No.1 pipeline, No.1 check valve, one
Number magnet and No. two magnet, the No.1 bar and No. two bars are vertically arranged between upper insulation plate and lower insulation plate, No.1 bar
It is connected to the bottom of upper insulation plate vertically, No. two bars are connected to vertically on the upper surface of lower insulation plate, at No.1 bar and No. two bars
In on same vertical direction；The mercury telescopic rod is mounted on the top of No. two bars, the top of the piston rod of mercury telescopic rod with
The bottom of No.1 bar contacts；The cylinder is mounted on the bottom of upper insulation plate, and cylinder is located at the right side of No.1 bar, and cylinder interior is logical
It crosses No.1 pipeline to communicate with the outside world, No.1 check valve is installed, the bottom of the piston rod of cylinder connects straight down on No.1 pipeline
No.1 magnet；No. two magnet is connected to vertically on the upper surface of lower insulation plate, No. two magnet be located at No.1 magnet just under
Side.When work, high temperature and high pressure gas is contacted after overflowing from gas outlet with mercury telescopic rod, and to the mercury inside mercury telescopic rod
It is heated, volume expansion after mercury is heated, the telescopic rod in mercury telescopic rod can be upward under the action of mercury volume expansion
Movement, and No.1 bar is pushed to move upwards, so that the distance between No.1 magnet and No. two magnet is made to become larger, No.1 magnet and two
Attraction between number magnet can gradually become smaller until completely disappearing, and lower insulation plate surrounds shaft hair under the effect of gravity
It is raw to rotate and fall down, and then realize the fusing of circuit.
Soft rubber is set between the top and upper insulation plate of the fusion tube, and soft rubber is located at the surrounding of upper contact head；It is soft
The cavity that matter rubber is formed with fusion tube and upper contact head is communicated with the outside world by No. two pipelines, and No. two are installed on No. two pipelines unidirectionally
Valve.Before fusion tube is contacted with upper insulation plate, under the action of No. two check valves, the air of cavity inside passes through No. two pipeline rows
Out, electric arc is generated in air after fusible link can be prevented to be powered after the air of cavity inside is extracted, and soft rubber is caused to damage
It is bad.
Sealing ring is set between the upper movable contact and lower movable contact and the inner wall of fusion tube, and sealing ring is used for upper work
It moving contact and lower is sealed between movable contact and fusion tube.When the setting of sealing ring can prevent high-tension current from fusible link being made to fuse
Generated high temperature and high pressure gas leaks, and avoids insufficient on the mercury heating in mercury telescopic rod and influences fusing effect.
Beneficial effects of the present invention are as follows:
1. the present invention includes step 1 to step 4, for protecting to transformer case, step 2 is used for step 1
The fuse of inside transformer is replaced, the protection to inside transformer route is improved；Step 3 is short for preventing transformer from occurring
Road；Step 4 is used to keeping the dielectric strength of transformer oil in transformer, the present invention by four steps complete to transformer into
Row protection, extends the service life of transformer, improves the service performance and efficiency of transformer.
2. the high-tension fuse that the present invention uses is by No. two pipelines of setting and No. two check valves, in the work of No. two check valves
Under, the air for the cavity inside that soft rubber and fusion tube and upper contact head are formed is discharged by No. two pipelines, the sky of cavity inside
Gas generates electric arc after fusible link can be prevented to be powered after being extracted in air, damages to soft rubber, to improve fusing
The working efficiency of device, and then extend the service life of fuse.
3. the high-tension fuse that the present invention uses by be arranged upper movable contact and lower movable contact and fusion tube inner wall it
Between sealing ring, sealing ring can to upper movable contact and it is lower be sealed between movable contact and fusion tube, prevent high-tension current from making
Generated high temperature and high pressure gas leaks when fusible link fusing, avoids insufficient on the mercury heating in mercury telescopic rod and influences
Fuse effect.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the structural schematic diagram of high-tension fuse；
In figure: support unit 1, upper insulation plate 11, lower insulation plate 12, thread bush 13, shaft 14, connection unit 2, fusion tube
21, rubber stopper 22, lower contact 23, upper contact head 24, upper movable contact 25, lower movable contact 26, fusible link 27, fusing unit 3, one
Number 37, No. two 31, No. two bars 32 of bar, mercury telescopic rod 33, cylinder 34, No.1 pipeline 35, No.1 check valve 36, No.1 magnet magnetic
Iron 38, the check valve 6 of pipeline 5, two of soft rubber 4, two.
Specific embodiment
The transformer maintenance process of an embodiment of the present invention is carried out using Fig. 1 and Fig. 2 as described below.
As depicted in figs. 1 and 2, a kind of transformer maintenance process of the present invention, the maintenance process include following several
Step:
Step 1: external in transformer installs shield, and extraneous adverse circumstances is effectively prevent to make the shell of transformer
At damage, the security risk constituted to inside transformer structure is reduced；
Step 2: being high-voltage fuse by the change of fuse of inside transformer after the shield in step 1 installs
Device prevents from damaging inside transformer route when transformer breaks down；
Step 3: after the high-tension fuse in step 2 is more finished changing, insulation is installed additional in the distribution transforming height pressure side of transformer
Cover, preventing from falling thing in transformer connection stake makes low-voltage short-circuiting and burns distribution transforming；
Step 4: after the insulating boot in step 3 installs, being dried the silica gel in inside transformer dehydrating breather,
And then keep the dielectric strength of transformer oil in transformer；
Wherein, high-tension fuse described in step 2 include support unit 1, connection unit 2 and fusing unit 3, it is described
Support unit 1 is used to support connection unit 2 and fusing unit 3；The connection unit 2 is for assisting fusing unit 3 to work；It is described
Fuse unit 3 for realizing circuit fusing.When circuital current overload, in the mutual assistance of support unit 1 and connection unit 2
Under effect, fusing unit 3 realizes high-voltage fuse function, to protect to circuit.
As shown in Fig. 2, the support unit 1 includes upper insulation plate 11, lower insulation plate 12, thread bush 13, shaft 14 and turns round
Spring, the upper insulation plate 11 and about 12 lower insulation plate are horizontally disposed, and lower insulation plate 12 is located at the underface of upper insulation plate 11；Institute
Thread bush 13 is stated to be vertically installed on the upper surface of lower insulation plate 12；The shaft 14 is mounted on the left side of lower insulation plate 12, turns
Torsional spring is set between axis 14 and lower insulation plate 12, and one end of torsional spring is connect with shaft 14, the other end and lower insulation plate 12 of torsional spring
Connection.When line current overload, lower insulation plate 12 can be rotated around shaft 14, separate connection unit 2, in turn
Realize the protection to circuit.
As shown in Fig. 2, the connection unit 2 includes fusion tube 21, rubber stopper 22, lower contact 23, upper contact head 24, upper activity touching
First 25, lower movable contact 26 and fusible link 27, the fusion tube 21 are connected to vertically on the upper surface of lower insulation plate 12, and fusion tube 21
In the lower section of upper insulation plate 11, fusion tube 21 is located inside thread bush 13, and fusion tube 21 is tubular, and the central axis of fusion tube 21 is vertical
It places, screw thread, and the inside spiral shell of the screw thread of the bottom outer surface of fusion tube 21 and thread bush 13 is arranged in the bottom outer surface of fusion tube 21
Line cooperates, and the side wall of fusion tube 21 opens up gas outlet, and gas outlet is located at the top of thread bush 13；The rubber stopper 22 is located at
In port；The lower contact 23 is mounted on the upper surface of lower insulation plate 12；The upper contact head 24 is mounted on upper insulation plate 11
Bottom, lower contact 23 and upper contact head 24 are respectively positioned on inside fusion tube 21；The upper movable contact 25 and lower movable contact 26 from up to
Under be successively connected horizontally on 21 inner wall of fusion tube, lower movable contact 26 is contacted with lower contact 23, upper movable contact 25 and upper contact head
24 contacts；The fusible link 27 is vertically arranged in the inside center of fusion tube 21, the both ends of fusible link 27 respectively with upper movable contact
25 connect with the center of lower movable contact 26.When work, when fusible link 27 passes through high-tension current, fusible link 27 can fuse
And a large amount of high temperature and high pressure gas is generated, and the rubber stopper 22 in the gas outlet of 21 side wall of fusion tube is washed away, high temperature and high pressure gas
It is overflowed from gas outlet, and fusing unit 3 is made to work, so that fusible link 27 be made to fuse, and then reach the work of protection circuit
With.
As shown in Fig. 2, the fusing unit 3 includes No.1 bar 31, No. two bars 32, mercury telescopic rod 33, cylinders 34, No.1
Pipeline 35, No.1 check valve 36, No.1 magnet 37 and No. two magnet 38, the No.1 bar 31 and No. two bars 32 are vertically arranged in
Between upper insulation plate 11 and lower insulation plate 12, No.1 bar 31 is connected to the bottom of upper insulation plate 11 vertically, and No. two bars 32 connect vertically
It connects on the upper surface of lower insulation plate 12, No.1 bar 31 and No. two bars 32 are on same vertical direction；The mercury telescopic rod
33 are mounted on the top of No. two bars 32, and the top of the piston rod of mercury telescopic rod 33 is contacted with the bottom of No.1 bar 31；The gas
Cylinder 34 is mounted on the bottom of upper insulation plate 11, and cylinder 34 is located at the right side of No.1 bar 31, passes through No.1 pipeline 35 inside cylinder 34
It communicates with the outside world, No.1 check valve 36 is installed, the bottom of the piston rod of cylinder 34 connects No.1 straight down on No.1 pipeline 35
Magnet 37；No. two magnet 38 is connected to vertically on the upper surface of lower insulation plate 12, and No. two magnet 38 are located at No.1 magnet 37
Underface.When work, high temperature and high pressure gas is contacted after overflowing from gas outlet with mercury telescopic rod 33, and to mercury telescopic rod 33
Internal mercury is heated, volume expansion after mercury is heated, and the telescopic rod in mercury telescopic rod 33 is in mercury volume expansion
Can be moved upwards under effect, and No.1 bar 31 be pushed to move upwards, thus make between No.1 magnet 37 and No. two magnet 38 away from
From becoming larger, the attraction between No.1 magnet 37 and No. two magnet 38 can be gradually become smaller until completely disappearing, and lower insulation plate 12 exists
It rotates and falls down around shaft 14 under the action of self gravity, and then realize the fusing of circuit.
As shown in Fig. 2, soft rubber 4 is arranged between the top and upper insulation plate 11 of the fusion tube 21, soft rubber 4 is located at
The surrounding of upper contact head 24；The cavity that soft rubber 4 is formed with fusion tube 21 and upper contact head 24 is communicated with the outside world by No. two pipelines 5,
No. two check valves 6 are installed on No. two pipelines 5.Before fusion tube 21 is contacted with upper insulation plate 11, in the effect of No. two check valves 6
Under, the air of cavity inside is discharged by No. two pipelines 5, the air of cavity inside fusible link can be prevented to be powered after being extracted after
Electric arc is generated in air, and soft rubber 4 is damaged.
As shown in Fig. 2, sealing ring is set between the upper movable contact 25 and lower movable contact 26 and the inner wall of fusion tube 21,
Sealing ring between upper movable contact 25 and lower movable contact 26 and fusion tube 21 for being sealed.The setting of sealing ring can prevent
High-tension current makes generated high temperature and high pressure gas when the fusing of fusible link 27 leak, and avoids adding the mercury in mercury telescopic rod 33
Heat is insufficient and influences fusing effect.
In use, fusible link 27 can occur to fuse and generate a large amount of high temperature height when fusible link 27 passes through high-tension current
It calms the anger body, and the rubber stopper 22 in the gas outlet of 21 side wall of fusion tube is washed away, high temperature and high pressure gas is overflowed from gas outlet.
High temperature and high pressure gas after spilling is contacted with mercury telescopic rod 33, and is carried out to the mercury inside mercury telescopic rod 33
It heats, volume expansion after mercury is heated, telescopic rod and piston meeting under the action of mercury volume expansion in mercury telescopic rod 33
It moves upwards, and No.1 bar 31 is pushed to move upwards, so that the distance between No.1 magnet 37 and No. two magnet 38 is made to become larger, one
Attraction number between magnet 37 and No. two magnet 38 can gradually become smaller until completely disappearing, at this point, lower insulation plate 12 is at itself
It rotates and falls down around shaft 14 under the action of gravity, and then realize the fusing of circuit.
Industrial applicibility
According to the present invention, which can effectively enhance the service performance of transformer, and improve the use of transformer
Safety, so that this transformer maintenance process is useful in field transformer.
Claims (6)
1. a kind of transformer maintenance process, it is characterised in that: this method comprises the following steps:
Step 1: external in transformer installs shield；
Step 2: being high-tension fuse by the change of fuse of inside transformer after the shield in step 1 installs；
Step 3: after the high-tension fuse in step 2 is more finished changing, insulating boot is installed additional in the distribution transforming height pressure side of transformer；
Step 4: after the insulating boot in step 3 installs, the silica gel in inside transformer dehydrating breather is dried；
Wherein, high-tension fuse described in step 2 includes support unit (1), connection unit (2) and fusing unit (3), institute
It states support unit (1) and is used to support connection unit (2) and fusing unit (3)；The connection unit (2) is for assisting fusing unit
(3) it works；It is described fusing unit (3) for realizing circuit fusing.
2. a kind of transformer maintenance process according to claim 1, it is characterised in that: the support unit (1) includes upper
Insulation board (11), lower insulation plate (12), thread bush (13), shaft (14) and torsional spring, the upper insulation plate (11) and lower insulation plate
(12) horizontally disposed up and down, lower insulation plate (12) is located at the underface of upper insulation plate (11)；The thread bush (13) is vertically-mounted
On the upper surface of lower insulation plate (12)；The shaft (14) is mounted on the left side of lower insulation plate (12), shaft (14) and it is lower absolutely
Torsional spring is set between listrium (12), and one end of torsional spring is connect with shaft (14), and the other end of torsional spring is connect with lower insulation plate (12).
3. a kind of transformer maintenance process according to claim 2, it is characterised in that: the connection unit (2) includes molten
Manage (21), rubber stopper (22), lower contact (23), upper contact head (24), upper movable contact (25), lower movable contact (26) and fusible link
(27), the fusion tube (21) is connected to vertically on the upper surface of lower insulation plate (12), and fusion tube (21) is located at upper insulation plate (11)
Lower section, fusion tube (21) are located at thread bush (13) inside, and fusion tube (21) is tubular, and the central axis of fusion tube (21) is placed vertically,
Screw thread, and the inside spiral shell of the screw thread of the bottom outer surface of fusion tube (21) and thread bush (13) is arranged in the bottom outer surface of fusion tube (21)
Line cooperates, and the side wall of fusion tube (21) opens up gas outlet, and gas outlet is located at the top of thread bush (13)；The rubber stopper (22)
In gas outlet；The lower contact (23) is mounted on the upper surface of lower insulation plate (12)；The upper contact head (24) is mounted on
It is internal that the bottom of upper insulation plate (11), lower contact (23) and upper contact head (24) are respectively positioned on fusion tube (21)；The upper movable contact
(25) it is successively connected horizontally on fusion tube (21) inner wall from top to bottom with lower movable contact (26), lower movable contact (26) and lower touching
Head (23) contact, upper movable contact (25) contact with upper contact head (24)；The fusible link (27) is vertically arranged in fusion tube (21)
Inside center, the both ends of fusible link (27) are connect with the center of upper movable contact (25) and lower movable contact (26) respectively.
4. a kind of transformer maintenance process according to claim 2, it is characterised in that: the fusing unit (3) includes one
Number bar (31), No. two bars (32), mercury telescopic rod (33), cylinder (34), No.1 pipeline (35), No.1 check valve (36), No.1
Magnet (37) and No. two magnet (38), the No.1 bar (31) and No. two bars (32) are vertically arranged in upper insulation plate (11) under
Between insulation board (12), No.1 bar (31) is connected to the bottom of upper insulation plate (11) vertically, and No. two bars (32) are connected to down vertically
On the upper surface of insulation board (12), No.1 bar (31) and No. two bars (32) are on same vertical direction；The mercury telescopic rod
(33) it is mounted on the top of No. two bars (32), the top of the piston rod of mercury telescopic rod (33) and the bottom of No.1 bar (31) connect
Touching；The cylinder (34) is mounted on the bottom of upper insulation plate (11), and cylinder (34) is located at the right side of No.1 bar (31), cylinder (34)
Inside is communicated with the outside world by No.1 pipeline (35), installs No.1 check valve (36) on No.1 pipeline (35), the work of cylinder (34)
The bottom of stopper rod connects No.1 magnet (37) straight down；No. two magnet (38) is connected to the upper of lower insulation plate (12) vertically
On surface, No. two magnet (38) are located at the underface of No.1 magnet (37).
5. a kind of transformer maintenance process according to claim 2 or 3, it is characterised in that: the top of the fusion tube (21)
Soft rubber (4) are set between upper insulation plate (11), soft rubber (4) is located at the surrounding of upper contact head (24)；Soft rubber (4)
The cavity formed with fusion tube (21) and upper contact head (24) is communicated with the outside world by No. two pipelines (5), installs two on No. two pipelines (5)
Number check valve (6).
6. a kind of transformer maintenance process according to claim 3, it is characterised in that: the upper movable contact (25) and under
Sealing ring is set between movable contact (26) and the inner wall of fusion tube (21), and sealing ring is used for upper movable contact (25) and lower activity
It is sealed between contact (26) and fusion tube (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955825.7A CN109065326A (en) | 2018-08-21 | 2018-08-21 | A kind of transformer maintenance process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955825.7A CN109065326A (en) | 2018-08-21 | 2018-08-21 | A kind of transformer maintenance process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065326A true CN109065326A (en) | 2018-12-21 |
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|---|---|---|---|---|
| GB683804A (en) * | 1948-04-06 | 1952-12-03 | British Thomson Houston Co Ltd | Improvements in and relating to air blast high voltage electric circuit breakers |
| CN1388552A (en) * | 2001-05-30 | 2003-01-01 | 杜玉庆 | Lightning arresting drop-off high-voltage fuse |
| CN101894714A (en) * | 2010-07-13 | 2010-11-24 | 韩俊 | Electromagnetic breaker |
| CN104091737A (en) * | 2014-06-03 | 2014-10-08 | 上海瑞奇电气设备股份有限公司 | High-voltage fuse sealing base for underground transformers |
| CN204029756U (en) * | 2014-09-17 | 2014-12-17 | 孙杰华 | High voltage drop-out type fuse cutout |
| CN205715681U (en) * | 2016-04-29 | 2016-11-23 | 如孜·阿卜来提 | engine sealer |
| CN207743184U (en) * | 2018-02-05 | 2018-08-17 | 浙江上陶电气有限公司 | A kind of safety box for electric vehicle |
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2018
- 2018-08-21 CN CN201810955825.7A patent/CN109065326A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683804A (en) * | 1948-04-06 | 1952-12-03 | British Thomson Houston Co Ltd | Improvements in and relating to air blast high voltage electric circuit breakers |
| CN1388552A (en) * | 2001-05-30 | 2003-01-01 | 杜玉庆 | Lightning arresting drop-off high-voltage fuse |
| CN101894714A (en) * | 2010-07-13 | 2010-11-24 | 韩俊 | Electromagnetic breaker |
| CN104091737A (en) * | 2014-06-03 | 2014-10-08 | 上海瑞奇电气设备股份有限公司 | High-voltage fuse sealing base for underground transformers |
| CN204029756U (en) * | 2014-09-17 | 2014-12-17 | 孙杰华 | High voltage drop-out type fuse cutout |
| CN205715681U (en) * | 2016-04-29 | 2016-11-23 | 如孜·阿卜来提 | engine sealer |
| CN207743184U (en) * | 2018-02-05 | 2018-08-17 | 浙江上陶电气有限公司 | A kind of safety box for electric vehicle |
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Application publication date: 20181221 |