CN107424799A - gas-insulated transformer - Google Patents
gas-insulated transformer Download PDFInfo
- Publication number
- CN107424799A CN107424799A CN201710723157.0A CN201710723157A CN107424799A CN 107424799 A CN107424799 A CN 107424799A CN 201710723157 A CN201710723157 A CN 201710723157A CN 107424799 A CN107424799 A CN 107424799A
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- Prior art keywords
- conducting rod
- contact shoe
- fingertip
- cover plate
- sleeve pipe
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- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/321—Insulating of coils, windings, or parts thereof using a fluid for insulating purposes only
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The present invention provides a kind of gas-insulated transformer, including gas tank, iron core, folder, primary component, secondary component, flange cylinder, primary sleeve pipe, secondary sleeve pipe and SF6 gases；Secondary component includes secondary coil, secondary coil insulating cylinder, insulated support, stay, shielding part, insulator and 2 secondary coils and draws line terminals；Secondary coil insulating cylinder is fixed on folder by insulated support, and the first air flue is provided between secondary coil insulating cylinder and primary coil；The second air flue is provided between secondary coil and secondary coil insulating cylinder；Shielding part is coated on secondary coil periphery and make it that secondary coil is totally-enclosed；Secondary coil is drawn line terminals and electrically connected with secondary sleeve pipe.The present invention efficiently solves the technical problem that gas-insulated transformer in the prior art is only applicable to alternating voltage field and can not be applied to combined-voltage field simultaneously by structure design, and compact, easy for installation, cost is relatively low, cost-effective.
Description
Technical field
The present invention relates to transformer technology field, and in particular to gas that is a kind of while being resistant to AC and DC voltage is exhausted
Edge transformer.
Background technology
Gas-insulated transformer due to possessing advantage non-ignitable, not quick-fried, safe and that high voltage, Large Copacity can be realized,
It has been widely used in AC network, has relatively been concentrated especially suitable for underground substation, big city population and to security requirement
High occasion.Direct current transportation at present has obtained quick development in China, with the transformer that it is used cooperatively because to its security
It is required that high and itself must simultaneously meet the characteristics of being resistant to alternating current and direct current voltage；And traditional oil-filled transformer due to
In the presence of the danger that may be burnt, explode, the requirement of the security can not be met, therefore be good using gas-insulated transformer
Selection.But current gas-insulated transformer can be only applied to alternating voltage field, and may not apply to bear to hand over directly simultaneously
The occasion of voltage is flowed, its application scenario is restricted greatly.Therefore, need research and development one kind badly while alternating voltage and direct current can be born
The gas-insulated transformer of pressure.
The content of the invention
The purpose of the present invention is：For the problems of the prior art, there is provided one kind passes through structure design so that it is being used
Shi Jineng bears the gas-insulated transformer that alternating voltage and can bears DC voltage.
The technical scheme is that：The present invention gas-insulated transformer, including gas tank, iron core, folder, primary group
The SF6 gases of part, secondary component and injection in gas tank；Above-mentioned primary component includes primary coil and primary coil is drawn
Line；Secondary component includes secondary coil and secondary coil lead-out wire；Above-mentioned iron core is fixedly mounted in gas tank by folder；Just
On iron core, it is structurally characterized in that level mounting coil：
Also include flange cylinder, 2 primary sleeve pipes and 1 secondary sleeve pipe；Above-mentioned secondary component also include secondary coil insulating cylinder,
Insulated support, stay, shielding part, insulator and 2 secondary coils draw line terminals；
Above-mentioned flange cylinder sealing is fixedly installed on the upper surface of gas tank；2 primary bobbins seal are fixedly installed on gas tank
On wall body；Secondary bobbin seal is fixedly installed on the upper surface of flange cylinder；Above-mentioned primary coil lead-out wire is from primary coil
The same side electrically connects after drawing with 2 primary sleeve pipes；
The secondary coil insulating cylinder of above-mentioned secondary component is sleeved on the periphery of primary coil, and secondary coil insulating cylinder passes through insulation
Support member is fixedly mounted on folder；It is provided between the internal perisporium of secondary coil insulating cylinder and the periphery of primary coil and forms first
The spacing of air flue every；First air flue communicates with gas tank inner space and is full of SF6 gases；It is exhausted that stay is fixed at secondary coil
On the periphery wall of edge cylinder；Secondary coil is wound on stay, so that the internal perisporium of secondary coil and secondary coil insulating cylinder
Periphery wall between form second spacing every, second spacing every forming the second air flue, the second air flue with gas tank 1
Portion space is communicated, and SF6 gases are full of in the second air flue；Shielding part is the shaped piece of metal material, and shielding part is coated on secondary wire
The periphery of circle simultaneously make it that secondary coil is totally-enclosed；Secondary coil lead-out wire is drawn from the middle part of secondary coil, through on shielding part
Line terminals are drawn behind the middle part of end with 2 secondary coils to electrically connect；The lower seal of insulator is fixedly installed on the top in gas tank,
The top of insulator is stretched out in flange cylinder；Insulator is provided with 1 inner wire；2 secondary coils draw line terminals fixed setting
On the insulator and positioned at the top of insulator；2 secondary coils draw 1 inner wire by insulator in line terminals with
Secondary sleeve pipe electrical connection；Another 1 in 2 secondary coils extraction line terminals electrically connects with secondary sleeve pipe.
Further scheme is：Above-mentioned gas tank is the overall hollow sealing casing in cylinder；The upper surface of gas tank is set
There is the opening of connection；Sealing is fixed with charge valve on the wall body of gas tank.
Further scheme is：Also include second protection component；Above-mentioned second protection component includes sealing and is fixedly installed
Gas thermometer, elaterometer, burst pressure relay and terminal board on gas tank wall body.
Further scheme is：Above-mentioned secondary sleeve pipe include first end daughter board, Second terminal plate, cover plate, grading ring, absolutely
Edge shell, the first conducting rod, the second conducting rod, adpting flange, insulating washer, the first contact shoe, the second contact shoe, first touch
Finger, insulation sleeve, sealing ring and the second fingertip；
Above-mentioned cover plate and adpting flange are fixed at the upper and lower end of insulation crust respectively；Cover plate is provided with the through hole of installation；
Adpting flange is the cylinder part of both ends open；Grading ring fixed setting is on the cover board and positioned at the periphery of cover plate；
Second conducting rod of the first conducting rod and hollow structure is in insulation crust；Second conducting rod is enclosed on the first conducting rod
Outside and the two axial line is identical；The upper end of second conducting rod and cover plate integrally connected；Second terminal plate is located at the top of cover plate
And with cover plate integrally connected；The upper end of first conducting rod stretched out from the through hole of cover plate and with first end daughter board integrally connected；The
Insulating washer is provided with around the first conducting rod between one terminal board and cover plate, sealing is respectively embedded with the upper and lower end face of insulating washer
Circle；The lower end of second conducting rod is connected with the second contact shoe, and the lower end of the first conducting rod is extended downwardly from the second conducting rod, and
The first contact shoe is connected with external part；First contact shoe is in the second contact shoe, and two contact shoes are the same as center line and downward
Stretch out in adpting flange；The bottom of first contact shoe is provided with the platform extended to surrounding, and the bottom of the second contact shoe is closed first
On the platform of contact shoe, the second contact shoe and the first contact shoe, which are harmonious between face, is provided with insulation sleeve；First fingertip and the second fingertip
1~10 is respectively equipped with, each first fingertip is fixed on the inwall of the first contact shoe or be fixed on the outer wall of the first conducting rod
On；First conducting rod is electrically connected by each first fingertip with the first contact shoe；Each second fingertip is fixed on the inwall of the second contact shoe
Above or it is fixed on the outer wall of the second conducting rod, the second conducting rod is electrically connected by each second fingertip with the second contact shoe；
Secondary sleeve pipe is sealedly and fixedly connected by its adpting flange with flange cylinder；Adpting flange inside flange cylinder with communicating；Above-mentioned time
2 secondary coils of level assembly draw the first contact shoe of the inner wire by insulator and secondary sleeve pipe in line terminals
Electrical connection；Another in 2 secondary coils extraction line terminals electrically connects with the second contact shoe of secondary sleeve pipe；Insulation crust
SF6 gases are full of in gap between inner chamber and the first conducting rod and the second conducting rod.
Further scheme is：Above-mentioned secondary sleeve pipe also includes the first guide ring and the second guide ring；Above-mentioned first
Guide ring is in the first contact shoe and positioned at the top of each first fingertip；Led through first the bottom of the first above-mentioned conducting rod
Extended downwardly to ring；The second above-mentioned guide ring is in the second contact shoe and positioned at the top of each second fingertip；Above-mentioned
The bottom of two conducting rods extends downwardly from through the second guide ring.
Further scheme is：The insulation crust of above-mentioned secondary sleeve pipe is that glass fibre reinforced plastic cylinder wraps up in the exhausted of silastic material in vitro
Edge housing is porcelain bushing shell.
Further scheme is：Above-mentioned secondary sleeve pipe include first end daughter board, Second terminal plate, cover plate, grading ring, absolutely
Edge shell, the first conducting rod, the second conducting rod, adpting flange, insulating washer, the first contact shoe, the second contact shoe, first touch
Finger, sealing ring and the second fingertip；
Above-mentioned cover plate and adpting flange are fixed at the upper and lower end of insulation crust respectively；Cover plate is provided with the through hole of installation；
Adpting flange is the cylinder part of both ends open；Grading ring fixed setting is on the cover board and positioned at the periphery of cover plate；
First conducting rod and the second conducting rod be arranged in parallel in insulation crust；The upper end of second conducting rod integrally connects with cover plate
Connect；Second terminal plate located at cover plate top and with cover plate integrally connected；Stretched from the through hole of cover plate the upper end of first conducting rod
Go out and with first end daughter board integrally connected；Insulating washer is provided with around the first conducting rod between first end daughter board and cover plate, is insulated
Sealing ring is respectively embedded with the upper and lower end face of packing ring；The lower end of first conducting rod is connected with the first contact shoe, under the second conducting rod
End is connected with the second contact shoe, and two contact shoes are extended downwardly from adpting flange；First fingertip and the second fingertip be respectively equipped with 1~
10, each first fingertip is fixed on the inwall of the first contact shoe or is fixed on the outer wall of the first conducting rod；First is conductive
Bar is electrically connected by each first fingertip with the first contact shoe；Each second fingertip is fixed on the inwall of the second contact shoe or is fixed on
On the outer wall of second conducting rod, the second conducting rod is electrically connected by each second fingertip with the second contact shoe；
Secondary sleeve pipe is sealedly and fixedly connected by its adpting flange with flange cylinder；Adpting flange inside flange cylinder with communicating；Above-mentioned time
2 secondary coils of level assembly draw the first contact shoe of 1 inner wire by insulator and secondary sleeve pipe in line terminals
Electrical connection；；Another in 2 secondary coils extraction line terminals electrically connects with the second contact shoe of secondary sleeve pipe；Insulation crust
Inner chamber and the first conducting rod and the second conducting rod between gap in be full of SF6 gases.
Further scheme is：Above-mentioned secondary sleeve pipe also includes the first guide ring and the second guide ring；Above-mentioned first
Guide ring is in the first contact shoe and positioned at the top of each first fingertip；Led through first the bottom of the first above-mentioned conducting rod
Extended downwardly to ring；The second above-mentioned guide ring is in the second contact shoe and positioned at the top of each second fingertip；Above-mentioned
The bottom of two conducting rods extends downwardly from through the second guide ring.
Further scheme also has：The insulation crust of above-mentioned secondary sleeve pipe is that glass fibre reinforced plastic cylinder wraps up in silastic material in vitro
Insulation shell is porcelain bushing shell.
The present invention has positive effect：（1）The gas-insulated transformer of the present invention, its by integrally-built design,
Especially by between primary coil and secondary coil set 2 big airways, secondary coil periphery it is totally-enclosed by shielding part
And the structure design of the secondary sleeve pipe of output, it is born alternating voltage and can when in use and bear DC voltage,
Efficiently solve gas-insulated transformer common in the art can only bear alternating voltage and can not bear DC voltage from
And making application scenario technical problem restricted greatly, alternating voltage should be resistant to by having filled up is resistant to DC voltage application scenario again
The blank of required transformer.（2）The gas-insulated transformer of the present invention, it makes it defeated by the structure design of secondary sleeve pipe
Going out side only needs 1 sleeve pipe that output can be achieved, than the transformer of more output sleeve pipes common in the art, its small volume
Ingeniously, it is easy for installation, cost is lower, cost-effective.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is to omit the semi-section structural representation amplified after secondary sleeve pipe superstructure in Fig. 1；
Fig. 4 is the top view of secondary sleeve pipe in Fig. 1；
Fig. 5 is Fig. 4 A-A to sectional view；
Fig. 6 is the structural representation amplified in Fig. 5 at B；
Fig. 7 is the structural representation amplified in Fig. 5 at C；
Fig. 8 is the structural representation of another embodiment of secondary sleeve pipe in Fig. 1.
Reference in above-mentioned accompanying drawing is as follows：
Gas tank 1, iron core 2, folder 3,
Primary component 4, primary coil 4-1, primary coil lead-out wire 4-2；
Secondary component 5, secondary coil 5-1, secondary coil insulating cylinder 5-2, insulated support 5-3, stay 5-4, shielding part 5-5,
Secondary coil lead-out wire 5-6, insulator 5-7, secondary coil extraction line terminals 5-8；
First air flue 6, flange cylinder 7, primary sleeve pipe 8；
Secondary sleeve pipe 9, first end daughter board 9-1, Second terminal plate 9-2, cover plate 9-3, grading ring 9-4, insulation crust 9-5, first
Conducting rod 9-6, the second conducting rod 9-7, adpting flange 9-8, insulating washer 9-9, the first contact shoe 9-10, the second contact shoe 9-
11, the first guide ring 9-12, first fingertip 9-13, the second guide ring 9-14, insulation sleeve 9-15, sealing ring 9-16, the second fingertip
9-17。
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
（Embodiment 1）
See Fig. 1 to Fig. 3, the gas-insulated transformer of the present embodiment, its mainly by gas tank 1, iron core 2, folder 3, primary component 4,
Secondary component 5, flange cylinder 7, primary sleeve pipe 8, secondary sleeve pipe 9 and SF6（Sulfur hexafluoride）Gas forms.
Gas tank 1 is the overall hollow sealing casing in cylinder, and gas tank 1 meets pressure container standard, and gas tank 1 is using hollow
Cylindrical structural, it can preferably ensure the sealing property of gas tank 1.It is provided with gas tank 1 and is used for the inwall integrally connected of gas tank 1
The bearing of folder 3 is fixedly mounted.The upper surface of gas tank 1 is provided with the opening of connection；Sealing, which is fixed with, on the wall body of gas tank 1 fills
Air valve（Not shown in figure）.
Iron core 2 is fixedly connected with folder 3；Folder 3 is fixedly connected with the bearing on the inwall of gas tank 1.In the present embodiment, iron core
2 preferably use with the mode that is fixedly connected being fixedly connected between mode and folder 3 and the bearing on the inwall of gas tank 1 of folder 3
Bolt connection.
SF6 gases are full of in gas tank 1, and SF6 gases are as insulation and cooling medium.
Primary component 4 includes primary coil 4-1 and primary coil lead-out wire 4-2；Primary coil 4-1 is sleeved on iron core 2,
The overall U-shaped structures of primary coil 4-1, primary coil lead-out wire 4-2（Inlet wire and outlet）Draw from primary coil 4-1 the same side
Go out and electrically connected afterwards with 2 primary sleeve pipes 8 being fixedly installed on the wall body of gas tank 1.In use, primary coil lead-out wire 4-2（Enter
Line and outlet）2 primary sleeve pipes 8 being fixedly mounted on by sealing on the wall body of gas tank 1 input or out-put supply.
Secondary component 5 includes secondary coil 5-1, secondary coil insulating cylinder 5-2, insulated support 5-3, stay 5-4, shielding
Part 5-5, secondary coil lead-out wire 5-6, insulator 5-7 and secondary coil draw line terminals 5-8.
Secondary coil insulating cylinder 5-2 is sleeved on primary coil 4-1 periphery, secondary coil insulating cylinder 5-2 by its end with
Insulated support 5-3 is fixedly connected, and insulated support 5-3 is fixedly connected with folder 3, so that secondary coil insulating cylinder 5-2
It is fixedly mounted on by insulated support 5-3 on folder 3；Secondary coil insulating cylinder 5-2 internal perisporium is outer with primary coil 4-1's
Be provided between week spacing every, the spacing every big I according to transformer using when be resistant to the different according to setting of DC voltage level
Meter mutually should determine that；The spacing is communicated with the inner space of gas tank 1, filled in the first air flue 6 every the first air flue 6 of composition, the first air flue 6
Denounce SF6 gases.
Stay 5-4 is fixed on secondary coil insulating cylinder 5-2 periphery wall, and stay 5-4 is in secondary coil insulating cylinder 5-2
Periphery wall on the position that sets and quantity determine as needed.Secondary coil 5-1 is wound on stay 5-4, so that secondary
Second spacing is formed between level coil 5-1 internal perisporium and secondary coil insulating cylinder 5-2 periphery wall every this second is stayed
Space is communicated with the inner space of gas tank 1 every forming the second air flue, the second air flue, and SF6 gases are full of in the second air flue；Stay 5-4
Height namely the second air flue height can according to transformer using when be resistant to the different of DC voltage level and mutually should determine that according to design.
Shielding part 5-5 is the shaped piece of metal material, and shielding part 5-5 uses mould monolithic molding, surface re-polishing, spray
Paint；Shielding part 5-5 is coated on secondary coil 5-1 periphery and make it that secondary coil 5-1 is totally-enclosed；Shielding part 5-5 can be effectively
Improve the resistance to voltage levels of AC and DC of coil；Secondary coil lead-out wire 5-6（Inlet wire and outlet）From secondary coil 5-1 middle part
Draw, through shielding part 5-5 upper centers after draw line terminals 5-8 with 2 secondary coils and electrically connect.
The sealing of flange cylinder 7 is fixedly installed on the upper surface of gas tank 1；Secondary sleeve pipe 9 is fixedly installed on the upper end of flange cylinder 7
On face.The insulator 5-7 of secondary component 5 lower seal is fixedly installed on the top in gas tank 1, and insulator 5-7 top is stretched
For in flange cylinder 7；Insulator 5-7 is provided with 1 inner wire；2 secondary coils draw line terminals 5-8 and are fixedly installed on insulator
5-7 is upper and is located at insulator 5-7 top；2 secondary coils draw 1 in line terminals 5-8 by being led in insulator 5-7
Body electrically connects with secondary sleeve pipe 9, and another 1 in 2 secondary coils extraction line terminals 5-8 electrically connects with secondary sleeve pipe 9.Use
When, 2 secondary coils extraction line terminals 5-8 are inputted by 1 secondary sleeve pipe 9 or out-put supply.
Referring to Fig. 4 to Fig. 7, secondary sleeve pipe 9 mainly by first end daughter board 9-1, Second terminal plate 9-2, cover plate 9-3, press
Ring 9-4, insulation crust 9-5, the first conducting rod 9-6, the second conducting rod 9-7, adpting flange 9-8, insulating washer 9-9, first connect
Touch sub- 9-10, the second contact shoe 9-11, the first guide ring 9-12, the first fingertip 9-13, the second guide ring 9-14, insulation sleeve 9-
15th, sealing ring 9-16 and the second fingertip 9-17 compositions.
The insulation crust 9-5 of secondary sleeve pipe 9 can wrap up in silastic material structure or porcelain bushing shell in vitro using glass fibre reinforced plastic cylinder, this
Preferably wrap up in the shell of silastic material structure in embodiment in vitro using glass fibre reinforced plastic cylinder.Insulation crust 9-5 upper and lower end is solid respectively
Surely cover plate 9-3 and adpting flange 9-8 is provided with, cover plate 9-3 is provided with the through hole of installation；Adpting flange 9-8 is both ends open
Cylinder part.Grading ring 9-4 is fixedly installed on cover plate 9-3 and positioned at cover plate 9-3 periphery.
It is provided with the first conducting rod 9-6 and the second hollow conducting rod 9-7 in insulation crust 9-5, in the present embodiment, first leads
Electric pole 9-6 preferably uses column member；Second conducting rod 9-7 preferably uses hollow column member；First conducting rod 9-6 and
Two conducting rod 9-7 are metal material.Second conducting rod 9-7 is enclosed on the first conducting rod 9-6 outside and the two axial line is identical；
Second conducting rod 9-7 upper end and cover plate 9-3 integrally connecteds, cover plate 9-3 are provided with the Second terminal plate integral with cover plate 9-3
9-2.First conducting rod 9-6 upper end stretched out from cover plate 9-3 through hole and with first end daughter board 9-1 integrally connecteds, first end
Insulating washer 9-9 is provided with around the first conducting rod 9-6, between daughter board 9-1 and cover plate 9-3 on insulating washer 9-9 upper and lower end face
Sealing ring 9-16 is respectively embedded with, seals and insulate between first end daughter board 9-1 and cover plate 9-3 so as to ensure.First end daughter board 9-1 and
Second terminal plate 9-2 is used for transformer output connection.Second conducting rod 9-7 lower end is connected with the second contact shoe 9-11, and first
Conducting rod 9-6 lower end extends downwardly from the second conducting rod 9-7, and the first contact shoe 9-10 is connected with external part；First connects
Touch sub- 9-10 to be in the second contact shoe 9-11, two contact shoes are with center line and extend downwardly from adpting flange 9-8.First contact
Close in the first contact shoe 9-10 the bottom that sub- 9-10 bottom is provided with the platform 9-10-1, the second contact shoe 9-11 that are extended to surrounding
Platform 9-10-1 on, the second contact shoe 9-11 and the first contact shoe 9-10, which are harmonious between face, is provided with insulation sleeve 9-15 so that
Insulated between two contact shoe 9-11 and the first contact shoe 9-10.First fingertip 9-13 is provided with 1~10, and each first fingertip 9-13 consolidates
It is scheduled on the first contact shoe 9-10 inwall or is fixed on the first conducting rod 9-6 outer wall, it is preferably fixed in the present embodiment
On the first contact shoe 9-10 inwall；First conducting rod 9-6 is electrically connected by each first fingertip 9-13 with the first contact shoe 9-10；
Second fingertip 9-17 is provided with 1~10, and each second fingertip 9-17 is fixed on the second contact shoe 9-11 inwall or is fixed on
On second conducting rod 9-7 outer wall, it is preferably fixed in the present embodiment on the second contact shoe 9-11 inwall；Second conducting rod 9-
7 are electrically connected by each second fingertip 9-17 with the second contact shoe 9-11.
The first of the first conducting rod 9-6 can be passed through by being provided with first contact shoe 9-10 positioned at each first fingertip 9-13 top
Guide ring 9-12；Being provided with second contact shoe 9-11 positioned at each second fingertip 9-17 top can pass through the second conducting rod 9-7's
Second guide ring 9-14.First guide ring 9-12 and the second guide ring 9-14 effect are to insert corresponding contact shoe to conducting rod
When play the guiding role, facilitate the grafting of conducting rod.
Secondary sleeve pipe 9 is sealedly and fixedly connected by its adpting flange 9-8 and flange cylinder 7 and is arranged on the top of flange cylinder 7；Even
Acting flange 9-8 inside flange cylinder 7 with communicating；1 in 2 secondary coils extraction line terminals 5-8 of secondary component 5 passes through insulation
Sub- 5-7 inner wire electrically connects with the first contact shoe 9-10 of secondary sleeve pipe 9；2 secondary coils are drawn another in line terminals 5-8
1 electrically connects with the second contact shoe 9-11.Insulation crust 9-5 inner chamber clearance spaces S and the first conducting rod 9-6 is led with second
SF6 gases are full of in clearance D between electric pole 9-7, SF6 gases to protect between the first conducting rod 9-6 and the second conducting rod 9-7
Hold effective insulation.
It is preferred that the gas-insulated transformer of the present embodiment, is additionally provided with second protection component（Do not show in accompanying drawing
Go out）, second protection component is including sealing the gas thermometer being fixedly installed on the wall body of gas tank 1, elaterometer, burst pressure
Relay and terminal board.Wherein, gas thermometer is used to monitor the SF6 gas temperatures in gas tank 1；Elaterometer is used to monitor
SF6 gas density is in gas tank 1；Burst pressure relay is used for the pressure change rate for monitoring the SF6 in gas tank 1；Terminal board 14
For collecting the output signal end of above-mentioned second protection component, electrically connected in order to carry out signal with control room.
（Embodiment 2）
Referring to Fig. 8, in the present embodiment, other aspects are same as Example 1, and difference is：The first of secondary sleeve pipe 9 is conductive
Bar 9-6 and the second conducting rod 9-7 be arranged in parallel in insulation crust 9-5, and the first conducting rod 9-6 and the second conducting rod 9-7
Lower end is extended downwardly from adpting flange 9-8；First conducting rod 9-6 lower end after the first guide ring 9-12 by each first by being touched
Refer to 9-13 to electrically connect with the first contact shoe 9-10；Second conducting rod 9-7 lower end by after the second guide ring 9-14 by each second
Fingertip 9-17 electrically connects with the second contact shoe 9-11.Correspondingly, the insulation sleeve 9-15 in embodiment 1 is omitted；Second conducting rod 9-7
Hollow member can be used, can also use solid component.
Above example is the explanation to the embodiment of the present invention, rather than limitation of the present invention, relevant technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various conversion and change and obtain
To corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into the patent protection model of the present invention
Enclose.
Claims (9)
1. a kind of gas-insulated transformer, including gas tank（1）, iron core（2）, folder（3）, primary component（4）, secondary component（5）
And it is full of in gas tank（1）Interior SF6 gases；Described primary component（4）Including primary coil（4-1）Drawn with primary coil
Line（4-2）；Secondary component（5）Including secondary coil（5-1）With secondary coil lead-out wire（5-6）；Described iron core（2）Pass through folder
Part（3）It is fixedly mounted on gas tank（1）It is interior；Primary coil（4-1）It is sleeved on iron core（2）On, it is characterised in that：
Also include flange cylinder（7）, 2 primary sleeve pipes（8）With 1 secondary sleeve pipe（9）；Described secondary component（5）Also include secondary
Level coil insulation cylinder（5-2）, insulated support（5-3）, stay（5-4）, shielding part（5-5）, insulator（5-7）With 2 secondary
Lead-out wires of coil terminal（5-8）；
Described flange cylinder（7）Sealing is fixedly installed on gas tank（1）Upper surface on；2 primary sleeve pipes（8）Sealing fixed setting
In gas tank（1）Wall body on；Secondary sleeve pipe（9）Sealing is fixedly installed on flange cylinder（7）Upper surface on；Described primary coil
Lead-out wire（4-2）From primary coil（4-1）The same side draw after with 2 primary sleeve pipes（8）Electrical connection；
Described secondary component（5）Secondary coil insulating cylinder（5-2）It is sleeved on primary coil（4-1）Periphery, secondary coil
Insulating cylinder（5-2）Pass through insulated support（5-3）It is fixedly mounted on folder（3）On；Secondary coil insulating cylinder（5-2）Internal perisporium
With primary coil（4-1）Periphery between be provided with form the first air flue（6）Spacing every；First air flue（6）With gas tank（1）It is interior
Portion space communicates and is full of SF6 gases；Stay（5-4）It is fixed at secondary coil insulating cylinder（5-2）Periphery wall on；Secondary wire
Circle（5-1）It is wound on stay（5-4）On, so that secondary coil（5-1）Internal perisporium and secondary coil insulating cylinder（5-2）'s
Second spacing is formed between periphery wall every, second spacing every forming the second air flue, the second air flue with inside gas tank 1
Space is communicated, and SF6 gases are full of in the second air flue；Shielding part（5-5）For the shaped piece of metal material, shielding part（5-5）Cladding
In secondary coil（5-1）Periphery and cause secondary coil（5-1）It is totally-enclosed；Secondary coil lead-out wire（5-6）From secondary coil
（5-1）Middle part draw, through shielding part（5-5）After upper center line terminals are drawn with 2 secondary coils（5-8）Electrical connection；
Insulator（5-7）Lower seal be fixedly installed on gas tank（1）Interior top, insulator（5-7）Top stretch out in flange cylinder
（7）It is interior；Insulator（5-7）Provided with 1 inner wire；2 secondary coils draw line terminals（5-8）It is fixedly installed on insulator（5-
7）Go up and be located at insulator（5-7）Top；2 secondary coils draw line terminals（5-8）In 1 pass through insulator（5-7）
Inner wire and secondary sleeve pipe（9）Electrical connection；2 secondary coils draw line terminals（5-8）In another 1 with secondary sleeve pipe（9）
Electrical connection.
2. gas-insulated transformer according to claim 1, it is characterised in that：Described gas tank（1）It is in cylinder for entirety
The hollow sealing casing of shape；Gas tank（1）Upper surface be provided with connection opening；Gas tank（1）Wall body on seal and be fixed with
Charge valve.
3. gas-insulated transformer according to claim 1, it is characterised in that：Also include second protection component；Described
Second protection component is fixedly installed on gas tank including sealing（1）Gas thermometer, elaterometer, burst pressure on wall body after
Electrical equipment and terminal board.
4. gas-insulated transformer according to any one of claims 1 to 3, it is characterised in that：Described secondary sleeve pipe（9）Bag
Include first end daughter board（9-1）, Second terminal plate（9-2）, cover plate（9-3）, grading ring（9-4）, insulation crust（9-5）, first lead
Electric pole（9-6）, the second conducting rod（9-7）, adpting flange（9-8）, insulating washer（9-9）, the first contact shoe（9-10）, second connect
Touch son（9-11）, the first fingertip（9-13）, insulation sleeve（9-15）, sealing ring（9-16）With the second fingertip（9-17）；
Described cover plate（9-3）And adpting flange（9-8）Insulation crust is fixed at respectively（9-5）Upper and lower end；Cover plate（9-
3）It is provided with the through hole of installation；Adpting flange（9-8）For the cylinder part of both ends open；Grading ring（9-4）It is fixedly installed on lid
Plate（9-3）Go up and be located at cover plate（9-3）Periphery；
First conducting rod（9-6）With the second conducting rod of hollow structure（9-7）Located at insulation crust（9-5）It is interior；Second conducting rod
（9-7）It is enclosed on the first conducting rod（9-6）Outside and the two axial line it is identical；Second conducting rod（9-7）Upper end and cover plate（9-
3）Integrally connected；Second terminal plate（9-2）Located at cover plate（9-3）Top and and cover plate（9-3）Integrally connected；First conducting rod
（9-6）Upper end from cover plate（9-3）Through hole in stretch out and with first end daughter board（9-1）Integrally connected；First end daughter board（9-1）
With cover plate（9-3）Between surround the first conducting rod（9-6）Provided with insulating washer（9-9）, insulating washer（9-9）Upper and lower end face
On be respectively embedded with sealing ring（9-16）；Second conducting rod（9-7）Lower end be connected with the second contact shoe（9-11）, the first conducting rod
（9-6）Lower end extend downwardly from the second conducting rod（9-7）, and the first contact shoe is connected with external part（9-10）；First
Contact shoe（9-10）In the second contact shoe（9-11）It is interior, and two contact shoes with center line and are extended downwardly from adpting flange（9-
8）；First contact shoe（9-10）Bottom be provided with to surrounding extend platform（9-10-1）, the second contact shoe（9-11）Bottom
Close in the first contact shoe（9-10）Platform（9-10-1）On, the second contact shoe（9-11）With the first contact shoe（9-10）Be harmonious face
Between be provided with insulation sleeve（9-15）；First fingertip（9-13）With the second fingertip（9-17）1~10 is respectively equipped with, each first fingertip
（9-13）It is fixed on the first contact shoe（9-10）Inwall on or be fixed on the first conducting rod（9-6）Outer wall on；First leads
Electric pole（9-6）By each first fingertip（9-13）With the first contact shoe（9-10）Electrical connection；Each second fingertip（9-17）It is fixed on
Two contact shoes（9-11）Inwall on or be fixed on the second conducting rod（9-7）Outer wall on, the second conducting rod（9-7）By each
Two fingertips（9-17）With the second contact shoe（9-11）Electrical connection；
Secondary sleeve pipe（9）By its adpting flange（9-8）With flange cylinder（7）It is sealedly and fixedly connected；Adpting flange（9-8）With flange cylinder
（7）Inside communicates；The secondary component（5）2 secondary coils draw line terminals（5-8）In 1 pass through insulator（5-7）
Inner wire and secondary sleeve pipe（9）The first contact shoe（9-10）Electrical connection；2 secondary coils draw line terminals（5-8）In
Another 1 and the second contact shoe（9-11）Electrical connection；Insulation crust（9-5）Inner chamber and the first conducting rod（9-6）Led with second
Electric pole（9-7）Between gap in be full of SF6 gases.
5. gas-insulated transformer according to claim 4, it is characterised in that：Described secondary sleeve pipe（9）Also include the
One guide ring（9-12）With the second guide ring（9-14）；The first described guide ring（9-12）Located at the first contact shoe（9-10）It is interior
And it is located at each first fingertip（9-13）Top；The first described conducting rod（9-6）Bottom pass through the first guide ring（9-12）
Extend downwardly from；The second described guide ring（9-14）Located at the second contact shoe（9-11）It is interior and be located at each second fingertip（9-17）'s
Top；The second described conducting rod（9-7）Bottom pass through the second guide ring（9-14）Extend downwardly from.
6. gas-insulated transformer according to claim 4, it is characterised in that：Described secondary sleeve pipe（9）Insulation outside
Shell（9-5）Wrap up in the insulation shell of silastic material in vitro for glass fibre reinforced plastic cylinder or be porcelain bushing shell.
7. gas-insulated transformer according to any one of claims 1 to 3, it is characterised in that：Described secondary sleeve pipe（9）Bag
Include first end daughter board（9-1）, Second terminal plate（9-2）, cover plate（9-3）, grading ring（9-4）, insulation crust（9-5）, first lead
Electric pole（9-6）, the second conducting rod（9-7）, adpting flange（9-8）, insulating washer（9-9）, the first contact shoe（9-10）, second connect
Touch son（9-11）, the first fingertip（9-13）, sealing ring（9-16）With the second fingertip（9-17）；
Described cover plate（9-3）And adpting flange（9-8）Insulation crust is fixed at respectively（9-5）Upper and lower end；Cover plate（9-
3）It is provided with the through hole of installation；Adpting flange（9-8）For the cylinder part of both ends open；Grading ring（9-4）It is fixedly installed on lid
Plate（9-3）Go up and be located at cover plate（9-3）Periphery；
First conducting rod（9-6）With the second conducting rod（9-7）In insulation crust（9-5）Inside it be arranged in parallel；Second conducting rod（9-7）
Upper end and cover plate（9-3）Integrally connected；Second terminal plate（9-2）Located at cover plate（9-3）Top and and cover plate（9-3）One
Connection；First conducting rod（9-6）Upper end from cover plate（9-3）Through hole in stretch out and with first end daughter board（9-1）Integrally connected；
First end daughter board（9-1）With cover plate（9-3）Between surround the first conducting rod（9-6）Provided with insulating washer（9-9）, insulating washer
（9-9）Upper and lower end face on be respectively embedded with sealing ring（9-16）；First conducting rod（9-6）Lower end be connected with the first contact shoe（9-
10）, the second conducting rod（9-7）Lower end be connected with the second contact shoe（9-11）, and two contact shoes are extended downwardly from adpting flange
（9-8）；First fingertip（9-13）With the second fingertip（9-17）1~10 is respectively equipped with, each first fingertip（9-13）It is fixed on
One contact shoe（9-10）Inwall on or be fixed on the first conducting rod（9-6）Outer wall on；First conducting rod（9-6）By each
One fingertip（9-13）With the first contact shoe（9-10）Electrical connection；Each second fingertip（9-17）It is fixed on the second contact shoe（9-11）'s
On inwall or it is fixed on the second conducting rod（9-7）Outer wall on, the second conducting rod（9-7）By each second fingertip（9-17）With
Two contact shoes（9-11）Electrical connection；
Secondary sleeve pipe（9）By its adpting flange（9-8）With flange cylinder（7）It is sealedly and fixedly connected；Adpting flange（9-8）With flange cylinder
（7）Inside communicates；The secondary component（5）2 secondary coils draw line terminals（5-8）In 1 pass through insulator（5-7）
Inner wire and secondary sleeve pipe（9）The first contact shoe（9-10）Electrical connection；2 secondary coils draw line terminals（5-8）In
Another 1 and secondary sleeve pipe（9）The second contact shoe（9-11）Electrical connection；Insulation crust（9-5）Inner chamber and the first conducting rod
（9-6）With the second conducting rod（9-7）Between gap in be full of SF6 gases.
8. gas-insulated transformer according to claim 7, it is characterised in that：Described secondary sleeve pipe（9）Also include the
One guide ring（9-12）With the second guide ring（9-14）；The first described guide ring（9-12）Located at the first contact shoe（9-10）It is interior
And it is located at each first fingertip（9-13）Top；The first described conducting rod（9-6）Bottom pass through the first guide ring（9-12）
Extend downwardly from；The second described guide ring（9-14）Located at the second contact shoe（9-11）It is interior and be located at each second fingertip（9-17）'s
Top；The second described conducting rod（9-7）Bottom pass through the second guide ring（9-14）Extend downwardly from.
9. gas-insulated transformer according to claim 7, it is characterised in that：Described secondary sleeve pipe（9）Insulation outside
Shell（9-5）Wrap up in the insulation shell of silastic material in vitro for glass fibre reinforced plastic cylinder or be porcelain bushing shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723157.0A CN107424799B (en) | 2017-08-22 | 2017-08-22 | Gas-insulated transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723157.0A CN107424799B (en) | 2017-08-22 | 2017-08-22 | Gas-insulated transformer |
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| CN107424799A true CN107424799A (en) | 2017-12-01 |
| CN107424799B CN107424799B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723157.0A Active CN107424799B (en) | 2017-08-22 | 2017-08-22 | Gas-insulated transformer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108133813A (en) * | 2018-01-09 | 2018-06-08 | 常州东芝变压器有限公司 | Without outlet side sheath gas insulating transformer |
| CN110349727A (en) * | 2019-05-29 | 2019-10-18 | 莆田城厢晟铭网络有限公司 | A kind of gas-insulated transformer |
| CN113130176A (en) * | 2021-04-23 | 2021-07-16 | 山东泰开检测有限公司 | High-voltage harmonic transformer |
| CN119340085A (en) * | 2024-12-17 | 2025-01-21 | 合肥麦斯韦舜捷电力科技有限公司 | An energy supply transformer device for current limiting devices at voltage levels above 110kv |
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|---|---|---|---|---|
| CN2919481Y (en) * | 2006-06-15 | 2007-07-04 | 武汉高压研究所 | Single-stage structure 765kV electromagnetic standard voltage transformer |
| CN201282020Y (en) * | 2008-12-30 | 2009-07-29 | 山东泰开互感器有限公司 | Capacitor admittance gas insulated electromagnetic voltage transformer |
| CN207217260U (en) * | 2017-08-22 | 2018-04-10 | 常州东芝变压器有限公司 | A kind of gas-insulated transformer |
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2017
- 2017-08-22 CN CN201710723157.0A patent/CN107424799B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2919481Y (en) * | 2006-06-15 | 2007-07-04 | 武汉高压研究所 | Single-stage structure 765kV electromagnetic standard voltage transformer |
| CN201282020Y (en) * | 2008-12-30 | 2009-07-29 | 山东泰开互感器有限公司 | Capacitor admittance gas insulated electromagnetic voltage transformer |
| CN207217260U (en) * | 2017-08-22 | 2018-04-10 | 常州东芝变压器有限公司 | A kind of gas-insulated transformer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108133813A (en) * | 2018-01-09 | 2018-06-08 | 常州东芝变压器有限公司 | Without outlet side sheath gas insulating transformer |
| CN108133813B (en) * | 2018-01-09 | 2023-12-29 | 常州东芝变压器有限公司 | Output-side-sleeve-free gas-insulated transformer |
| CN110349727A (en) * | 2019-05-29 | 2019-10-18 | 莆田城厢晟铭网络有限公司 | A kind of gas-insulated transformer |
| CN110349727B (en) * | 2019-05-29 | 2021-04-16 | 平远雅玛西科技有限公司 | Gas-insulated transformer |
| CN113130176A (en) * | 2021-04-23 | 2021-07-16 | 山东泰开检测有限公司 | High-voltage harmonic transformer |
| CN119340085A (en) * | 2024-12-17 | 2025-01-21 | 合肥麦斯韦舜捷电力科技有限公司 | An energy supply transformer device for current limiting devices at voltage levels above 110kv |
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| Publication number | Publication date |
|---|---|
| CN107424799B (en) | 2023-06-30 |
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Address after: 213002 Wuxing bridge, outer ring road, Zhonglou District, Changzhou City, Jiangsu Province Patentee after: Shandong Electric Group Changzhou Dongzhi Transformer Co.,Ltd. Country or region after: China Address before: 213002 Wuxing bridge, outer ring road, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU TOSHIBA TRANSFORMER Co.,Ltd. Country or region before: China |