CN105469945A - Single-phase oil-immersed transformer and special iron core therefor - Google Patents

Single-phase oil-immersed transformer and special iron core therefor Download PDF

Info

Publication number
CN105469945A
CN105469945A CN201610039056.7A CN201610039056A CN105469945A CN 105469945 A CN105469945 A CN 105469945A CN 201610039056 A CN201610039056 A CN 201610039056A CN 105469945 A CN105469945 A CN 105469945A
Authority
CN
China
Prior art keywords
iron core
oil
casing
lifting mechanism
type transformer
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.)
Granted
Application number
CN201610039056.7A
Other languages
Chinese (zh)
Other versions
CN105469945B (en
Inventor
曹洪新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU MING'AN ELECTRIC Co Ltd
Original Assignee
JIANGSU MING'AN ELECTRIC Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU MING'AN ELECTRIC Co Ltd filed Critical JIANGSU MING'AN ELECTRIC Co Ltd
Priority to CN201610039056.7A priority Critical patent/CN105469945B/en
Publication of CN105469945A publication Critical patent/CN105469945A/en
Application granted granted Critical
Publication of CN105469945B publication Critical patent/CN105469945B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/12Oil cooling
    • H01F27/14Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266Fastening or mounting the core on casing or support

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)
  • Housings And Mounting Of Transformers (AREA)

Abstract

The invention provides a single-phase oil-immersed transformer and a special iron core therefor. The single-phase oil-immersed transformer comprises a box body with a box cover, an iron core, a radiating pipe, an oil conservator, a lifting mechanism, a power mechanism and an oil tank, wherein the iron core is a single-frame dual-core column with a groove, is arranged at the center of the box body and is immersed by an oil body; a coil is led out of the box cover; a high-voltage insulating sleeve and a low-voltage insulating sleeve respectively sleeve a lead; the radiating pipe is arranged on the side wall of the box body; the oil conservator is arranged at the upper end of one side of the box body; the lifting mechanism is arranged below the iron core; the bottom end of the lifting mechanism is fixedly connected with the box body; the power mechanism is connected with the lifting mechanism; the oil tank is connected with the power mechanism; and the oil tank is arranged outside the box body. The single-phase oil-immersed transformer can drive the lifting mechanism to take out the iron core by taking the oil in the box body as a power source through the power mechanism and stores the oil in the box body into the oil tank, so that maintenance of the iron core and oil-change operation are facilitated; the cost is saved; and the maintenance efficiency is also improved.

Description

A kind of single-phase oil immersion type transformer and special iron core thereof
Technical field
The present invention relates to electric power conveying equipment technical field, particularly relate to a kind of single-phase oil immersion type transformer and special iron core thereof.
Background technology
The chief component of transformer is iron core and coil, and iron core plays magnetic conduction and skeleton in transformer, and the quality of its crudy directly affects the quality of transformer.At present, transformer core generally all adopts laminated core structure structure, be different from the manufacture of Miniature transformer iron core in the fabrication process, on the closed assembly being mainly reflected in iron core and hoisting method, after as long as transformer core is general, on workbench, closed assembly completes, directly sling from workbench with suspender, make it become upright position from horizontal level to stand up, be easy to iron core is deformed in lifting process, the seam between silicon steel sheet is caused to become large, iron core end face becomes uneven, and the no-load loss of such transformer and noise all can increase greatly; In addition, be easy to like this security incident occurs, cause the damage of equipment and the injures and deaths of personnel.
As publication number is: the Chinese patent of CN105098632A discloses a kind of method for maintaining of bench type transformer suspended core, a kind of door shaped stent suspended core instrument of installation and maintenance suspended core on bench type transformer bottom channel-section steel; With a kind of door shaped stent suspended core instrument in first step, bench type transformer suspended core is fixed; With a kind of door shaped stent suspended core instrument in first step, bench type transformer suspended core is sling; The bench type transformer sling is placed in position; Staff carries out maintenance and inspection to it; By the transformer core keeped in repair, utilize a kind of door shaped stent suspended core instrument to be lifted into above transformer, install; Unload door shaped stent suspended core instrument and just complete this maintenance.The shortcoming of the method is: utilize door shaped stent suspended core instrument that transformer core is lifted maintenance, whole process noise is larger, the more important thing is and can damage transformer core, is unfavorable for the recycling of transformer core.
And for example publication number is: the Chinese patent of CN104009403A discloses the repair method be exclusively used in outdoor large transformer, bushing is overhauled, diaphragm type conservator is overhauled, unload dehydrating breather, open the exhaust stopple on conservator top, send into leak detection air pressure, order oil is overflowed from steam vent, close exhaust stopple, install and inhale warm device, open conservator and be connected valve with the oil duct of device body; Utilize conservator draining valve to drain oil in conservator, remove the pipeline passing to and inhale warm device, insulating oil is injected by the valve on transformer, reduce the pressure in diaphragm, secondary lead wires joint is connected securely; The position of the switch number can be provided by indicating dial, when making pointer aim at required tap position, then the screw that is tightened.The shortcoming of the method is: after if desired first being dismantled by unnecessary parts with regard to needs the device maintenance maintenance in transformer, pressure in transformer is reduced and the oil in transformer is all put totally, operating time is long, waste time and energy, and also need to be loaded onto by parts successively original position after maintenance is good, if there is damage to be just unfavorable for reusing of transformer in unloading process, add cost.
Summary of the invention
For overcoming the transformer core maintenance and the problem operating and waste time and energy of changing oil that exist in prior art, the invention provides a kind of single-phase oil immersion type transformer and special iron core thereof.
The technical solution used in the present invention is:
The special iron core of a kind of single-phase oil immersion type transformer, it is characterized in that: described iron core comprises " returning " shape single frame twin-core post and coil, described coil is around on single frame twin-core post, described single frame twin-core post comprises the first cylinder and the second cylinder, the outside of described first cylinder and the second cylinder is provided with N number of groove, described groove uniform intervals distribution.
On this basis, described groove vertical cross-section is rectangle, and described inside grooves is smooth circular arc.
On this basis, the width of described groove is greater than the height of coil, and the degree of depth of described groove is greater than the width of coil.
Present invention also offers a kind of single-phase oil immersion type transformer, comprise the casing with case lid, iron core, radiating tube and conservator, described iron core is arranged on casing central authorities, and by oil body submergence, coil on iron core is drawn case lid, on lead-in wire, cover has high-tension insulating bushing and low-voltage insulation sleeve pipe respectively, described wall box is provided with radiating tube, described conservator is arranged on the upper end of casing side, also comprise lifting mechanism, actuating unit and fuel tank, described lifting mechanism is arranged on immediately below iron core, the bottom of described lifting mechanism is fixedly connected with casing, described actuating unit is connected with lifting mechanism, described fuel tank is connected with actuating unit, described fuel tank is arranged on casing outside.
On this basis, described lifting mechanism comprises two bracing frames, support platform and supporting tracks, described two bracing frames are arranged side by side, connecting rod is provided with between described two bracing frames, described support platform is fixedly installed on the top of two bracing frames, and described two bracing frame lower ends are connected with supporting track.
On this basis, described support platform is provided with concave channels, and described iron core lower end is reverse gibbous shape, and described iron core lower end is mutually embedding with support platform concave channels.
On this basis, support frame as described above comprises multiple scissor structure, and each scissor structure described is by being hinged and connected, and one end of the scissor structure of support frame as described above bottom is fixedly connected with supporting track, the other end and supporting track and be slidably connected.
On this basis, support frame as described above comprises 4 ~ 8 scissor structures.
On this basis, described actuating unit comprises hydraulic pump, unidirectional valve, promotion piston and electromagnetically operated valve, described hydraulic pump, unidirectional valve and promotion piston are arranged on box house, described hydraulic pump, unidirectional valve and promotion piston are connected successively by the electromagnetically operated valve of pipeline and casing outside, fuel tank, described promotion piston is fixedly connected with the connecting rod between bracing frame, and described electromagnetically operated valve is connected with peripheral control unit.
On this basis, a side lower part of described fuel tank is provided with oil-out, and described oil-out is provided with flow-stopping sheet and flow deflector, and described flow deflector and casing are 30 ° ~ 60 ° and are fixedly connected with, and described flow-stopping sheet and oil-out are slidably connected.
Compared with prior art, the invention has the beneficial effects as follows:
1, the iron core in the present invention is that single frame twin-core post comprises the first cylinder and the second cylinder, the outside of the first cylinder and the second cylinder is provided with N number of groove, groove uniform intervals distributes, this groove can be fully chimeric with coil, solve transformer when transporting, installing or keeping in repair, winding may cause displacement due to collision, changes the problem in the gap between coil, therefore can fully ensure that transformer normally runs.
2, the present invention is provided with lifting mechanism and actuating unit in transformer-cabinet, and fuel tank is equipped with, when inside transformer needs repairing, lifting mechanism can be driven to be taken out by iron core by actuating unit, all taken out by oil in transformer deposits to fuel tank simultaneously, new oil body is added to transformer-cabinet inside again by conservator, to reach the effect of changing oil, the design's operating principle is simple, maintenance efficiency is high, the oil body in transformer-cabinet not only can be utilized to go out iron core as power source fast fetching, and can change oil simultaneously, kill two birds with one stone, reduce cost.
3, the lifting mechanism in the present invention comprises two bracing frames, support platform and supporting tracks, this bracing frame comprises multiple scissor structure, each scissor structure is by being hinged and connected, and one end of the scissor structure of bracing frame bottom is fixedly connected with supporting track, the other end and supporting track and be slidably connected.Each scissor pin joint uniform force of scissor structure, stress point peak value is declined, reduce the consumption of material, provide cost savings, and the amplitude of oscillation obviously reduces, can not fatigue fracture, there is not use hidden danger, improve the feature such as maximum lifting height and rated load, thus there is good application value.
4, the support platform in the present invention is provided with concave channels, iron core lower end is reverse gibbous shape simultaneously, iron core lower end is mutually embedding with support platform concave channels, adopt mutually embedding pattern, what iron core was connected with support platform is compacter, and the contact area of iron core and support platform is comparatively large, is conducive to the steady rising when lifting mechanism lifting transformer core, can not iron core be damaged, be conducive to the recycling of iron core.
5, actuating unit is provided with in the present invention, this actuating unit comprises hydraulic pump, unidirectional valve, promote piston and electromagnetically operated valve, mechanism utilizes the oil body of transformer-cabinet inside as power source, piston is promoted by hydraulic pump drive, unidirectional valve ensures oil body not oil return, make to promote piston rest, power source need not be reentried by outside, save the cost of raw material, and the porch of hydraulic pump is provided with oil filter, oil pump and other Hydraulic Elements can be protected, to avoid suck pollution impurity, can the cleannes of effective hydraulic control system, contribute to the useful life of improving actuating unit.
6, in the present invention, lifting mechanism and actuating unit are equipped with fuel tank, oil in the transformer-cabinet taken out when can be stored in lifting transformer core, this fuel tank is provided with oil-out, oil-out is provided with flow-stopping sheet and flow deflector, flow deflector and casing are 30 ° ~ 60 ° and are fixedly connected with, and flow-stopping sheet and oil-out are slidably connected.This oil-out is owing to having angle of inclination between casing, and the oil body be convenient in fuel tank flows out, and flow-stopping sheet can by inserting oil-out, the flowing of cut-off oil body, effectively simple to operate.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of single-phase oil immersion type transformer;
Fig. 2 is the connection diagram of a kind of single-phase oil immersion type transformer medium power mechanism and lifting mechanism;
Fig. 3 is the connection diagram of lifting mechanism support platform and iron core in a kind of single-phase oil immersion type transformer;
Fig. 4 is a kind of structural representation of single-phase oil immersion type transformer oil-out;
Fig. 5 is the structural representation of transformer core in a kind of single-phase oil immersion type transformer.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The special iron core of a kind of single-phase oil immersion type transformer, as shown in Figure 5, iron core 2 comprises " returning " shape single frame twin-core post and coil, coil is around on single frame twin-core post, single frame twin-core post comprises the first cylinder 21 and the second cylinder 22, the outside of the first cylinder 21 and the second cylinder 22 is provided with N number of groove 23, and groove 23 uniform intervals distributes.This groove 23 vertical cross-section is rectangle, and groove 23 inside is smooth circular arc.The width of groove 23 is greater than the height of coil, the degree of depth of groove 23 is greater than the width of coil, this groove can be fully chimeric with coil, solve transformer when transporting, installing or keeping in repair, winding may cause displacement due to collision, change the problem in the gap between coil, therefore can fully ensure that transformer normally runs.
Present invention also offers a kind of single-phase oil immersion type transformer, as shown in Figure 1, comprise the casing 1 with case lid, iron core 2, radiating tube and conservator, and be arranged on casing 1 central authorities, and by oil body submergence, single frame twin-core post is wound with coil respectively, and coil is drawn case lid, on lead-in wire, cover has high-tension insulating bushing and low-voltage insulation sleeve pipe respectively, transformer-cabinet 1 sidewall is provided with radiating tube, conservator is arranged on the upper end of casing 1 side, this single-phase oil immersion type transformer also comprises lifting mechanism 3, actuating unit 4 and fuel tank 5, wherein lifting mechanism 3 is arranged on immediately below transformer core 2, the bottom of lifting mechanism 3 is fixedly connected with casing 1, actuating unit 4 is connected with lifting mechanism 3, fuel tank 5 is connected with actuating unit 4, it is outside that fuel tank 5 is arranged on casing 1.The present invention is provided with lifting mechanism and actuating unit in transformer-cabinet, and fuel tank is equipped with, when inside transformer needs repairing, do not need separately to add loop wheel machine and transformer core is lifted maintenance, lifting mechanism can be driven to be taken out by iron core by actuating unit, all taken out by oil in transformer deposits to fuel tank simultaneously, new oil body is added to transformer-cabinet inside again by conservator, to reach the effect of changing oil, the design's operating principle is simple, maintenance efficiency is high, noise is low, and can not iron core be destroyed, the oil body in transformer-cabinet not only can be utilized to go out iron core as power source fast fetching, and can change oil simultaneously, kill two birds with one stone, reduce cost.
As shown in Figure 1, 2, lifting mechanism 3 comprises two bracing frames 31, support platform 32 and supporting track 33, two bracing frames 31 are arranged side by side, connecting rod 312 is provided with between two bracing frames 31, support platform 32 is fixedly installed on the top of two bracing frames 31, and two bracing frame 31 lower ends are connected with supporting track 33.Wherein bracing frame 31 comprises multiple scissor structure 311, and each scissor structure 311 is by being hinged and connected, and one end of the scissor structure 311 of bracing frame 31 bottom is fixedly connected with supporting track 33, the other end and supporting track 33 be slidably connected.Preferably, bracing frame 31 comprises 4 ~ 8 scissor structures 311.Further preferably, bracing frame 31 comprises 6 scissor structures 311.The primary structure of the lifting mechanism in the present invention is scissor structure, each scissor pin joint uniform force of this scissor structure, stress point peak value declines, reduce the consumption of material, provide cost savings, and the amplitude of oscillation obviously reduces, can not fatigue fracture, there is not use hidden danger, improve the feature such as maximum lifting height and rated load, thus there is good application value.
As shown in Figure 3, support platform 32 is provided with concave channels 322, and described iron core 2 lower end is reverse gibbous shape, and described iron core 2 lower end is mutually embedding with support platform 32 concave channels 322.Support platform in the present invention is provided with concave channels, iron core lower end is reverse gibbous shape simultaneously, iron core lower end is mutually embedding with support platform concave channels, adopt mutually embedding pattern, what iron core was connected with support platform is compacter, and the contact area of iron core and support platform is comparatively large, is conducive to the steady rising when lifting mechanism lifting transformer core, can not iron core be damaged, be conducive to the recycling of iron core.
As shown in Figure 1, actuating unit 4 comprises hydraulic pump 41, unidirectional valve 42, promotes piston 43 and electromagnetically operated valve 44, it is inner that described hydraulic pump 41, unidirectional valve 42 and promotion piston 43 are arranged on casing 1, described hydraulic pump 41, unidirectional valve 42 with promote the electromagnetically operated valve 44 of piston 43 by pipeline and casing 1 outside, fuel tank 5 is connected successively, described promotion piston 43 is fixedly connected with the connecting rod 312 between bracing frame 31, and described electromagnetically operated valve 44 is connected with peripheral control unit.Actuating unit is provided with in the present invention, this actuating unit comprises hydraulic pump, unidirectional valve, promote piston and electromagnetically operated valve, mechanism utilizes the oil body of transformer-cabinet inside as power source, piston is promoted by hydraulic pump drive, unidirectional valve ensures oil body not oil return, make to promote piston rest, power source need not be reentried by outside, save the cost of raw material, preferably, hydraulic pump 41 porch is provided with oil filter, oil pump and other Hydraulic Elements can be protected, to avoid suck pollution impurity, can the cleannes of effective hydraulic control system, contribute to the useful life of improving actuating unit.Wherein oil filter can be screen filter, edge type oil filter etc., and preferably, in the present invention, oil filter is screen filter, and not only installs oil filter in the porch of hydraulic pump, is also provided with oil filter at the entrance and exit place of fuel tank.Wherein electromagnetically operated valve can be direct-acting electromagnetic valve, step direct-acting type electromagnetic valve and guide electromagnetic valve, and preferably, the electromagnetically operated valve 44 in the present invention is direct-acting electromagnetic valve 44.
As shown in Fig. 1,4, a side lower part of fuel tank 5 is provided with oil-out 51, and oil-out 51 is provided with flow-stopping sheet 511 and flow deflector 512, and described flow deflector 512 is fixedly connected with in 30 ° ~ 60 ° with casing 1, and flow-stopping sheet 511 and oil-out 51 are slidably connected.In the present invention, lifting mechanism and actuating unit are equipped with fuel tank, oil in the transformer-cabinet taken out when can be stored in lifting transformer core, this fuel tank is provided with oil-out, oil-out is provided with flow-stopping sheet and flow deflector, flow deflector and casing are 30 ° ~ 60 ° and are fixedly connected with, and flow-stopping sheet and oil-out are slidably connected.This oil-out is owing to having angle of inclination between casing, and the oil body be convenient in fuel tank flows out, and flow-stopping sheet can by inserting oil-out, the flowing of cut-off oil body, effectively simple to operate.Wherein flow deflector can stretch, and can lengthen the length of flow deflector according to demand, makes Oil Guide more convenient and can not overflow or spill.
During work, hydraulic pump switches on power, primer fluid press pump by the oil body in transformer-cabinet along the continuous supercharging of pipeline, promote piston and promote bracing frame, uniform speed slow lifts, and stops pump liquid after being raised to certain position, now unidirectional valve stops oil return, promote piston rest in rising way, bracing frame keeps inactive state, and operating personnel can overhaul; During decline, only need connect electromagnetically operated valve opens back fluid path, and fluid returns fuel tank, and hydraulic cylinder reduces pressure, and promote piston and decline, bracing frame declines gently.If fluid need be changed, new fluid can be inputted from conservator; If need not change fluid, be back in transformer-cabinet by the fluid in fuel tank, maintenance completes.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection range of claims of the present invention.

Claims (10)

1. the special iron core of single-phase oil immersion type transformer, it is characterized in that: described iron core (2) comprises " returning " shape single frame twin-core post and coil, described coil is around on single frame twin-core post, described single frame twin-core post comprises the first cylinder (21) and the second cylinder (22), the outside of described first cylinder (21) and the second cylinder (22) is provided with N number of groove (23), and described groove (23) uniform intervals distributes.
2. the special iron core of a kind of single-phase oil immersion type transformer according to claim 1, is characterized in that: described groove (23) vertical cross-section is rectangle, and described groove (23) inside is smooth circular arc.
3. the special iron core of a kind of single-phase oil immersion type transformer according to claim 2, is characterized in that: the width of described groove (23) is greater than the height of coil, and the degree of depth of described groove (23) is greater than the width of coil.
4. one kind has the single-phase oil immersion type transformer of the iron core as described in claims 1 to 3 any one, it is characterized in that: comprise the casing (1) with case lid, iron core (2), radiating tube and conservator, described iron core (2) is arranged on casing (1) central authorities, and by oil body submergence, coil on iron core (2) is drawn case lid, on lead-in wire, cover has high-tension insulating bushing and low-voltage insulation sleeve pipe respectively, described casing (1) sidewall is provided with radiating tube, described conservator is arranged on the upper end of casing (1) side, also comprise lifting mechanism (3), actuating unit (4) and fuel tank (5), described lifting mechanism (3) is arranged on immediately below iron core (2), the bottom of described lifting mechanism (3) is fixedly connected with casing (1), described actuating unit (4) is connected with lifting mechanism (3), described fuel tank (5) is connected with actuating unit (4), it is outside that described fuel tank (5) is arranged on casing (1).
5. a kind of single-phase oil immersion type transformer according to claim 4, it is characterized in that: described lifting mechanism (3) comprises two bracing frames (31), support platform (32) and supporting track (33), described two bracing frames (31) are arranged side by side, connecting rod (312) is provided with between described two bracing frames (31), described support platform (32) is fixedly installed on the top of two bracing frames (31), and described two bracing frame (31) lower ends are connected with supporting track (33).
6. a kind of single-phase oil immersion type transformer according to claim 5, it is characterized in that: described support platform (32) is provided with concave channels (322), described iron core (2) lower end is reverse gibbous shape, and described iron core (2) lower end is mutually embedding with support platform (32) concave channels (322).
7. a kind of single-phase oil immersion type transformer according to claim 5, it is characterized in that: support frame as described above (31) comprises multiple scissor structure (311), each scissor structure (311) described is by being hinged and connected, one end of the scissor structure (311) of support frame as described above (31) bottom is fixedly connected with supporting track (33), the other end and supporting track (33) be slidably connected.
8. a kind of single-phase oil immersion type transformer according to claim 7, is characterized in that: support frame as described above (31) comprises 4 ~ 8 scissor structures (311).
9. a kind of single-phase oil immersion type transformer according to claim 4, it is characterized in that: described actuating unit (4) comprises hydraulic pump (41), unidirectional valve (42), promote piston (43) and electromagnetically operated valve (44), described hydraulic pump (41), it is inner that unidirectional valve (42) and promotion piston (43) are arranged on casing (1), described hydraulic pump (41), unidirectional valve (42) and promote the electromagnetically operated valve (44) of piston (43) by pipeline and casing (1) outside, fuel tank (5) is connected successively, described promotion piston (43) is fixedly connected with the connecting rod (312) between bracing frame (31), described electromagnetically operated valve (44) is connected with peripheral control unit.
10. a kind of single-phase oil immersion type transformer according to claim 4, it is characterized in that: a side lower part of described fuel tank (5) is provided with oil-out (51), described oil-out (51) is provided with flow-stopping sheet (511) and flow deflector (512), described flow deflector (512) is fixedly connected with in 30 ° ~ 60 ° with casing (1), and described flow-stopping sheet (511) and oil-out (51) are slidably connected.
CN201610039056.7A 2016-01-20 2016-01-20 A kind of single-phase oil immersion type transformer and its special iron core Active CN105469945B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610039056.7A CN105469945B (en) 2016-01-20 2016-01-20 A kind of single-phase oil immersion type transformer and its special iron core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610039056.7A CN105469945B (en) 2016-01-20 2016-01-20 A kind of single-phase oil immersion type transformer and its special iron core

Publications (2)

Publication Number Publication Date
CN105469945A true CN105469945A (en) 2016-04-06
CN105469945B CN105469945B (en) 2018-05-01

Family

ID=55607553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610039056.7A Active CN105469945B (en) 2016-01-20 2016-01-20 A kind of single-phase oil immersion type transformer and its special iron core

Country Status (1)

Country Link
CN (1) CN105469945B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158283A (en) * 2016-08-24 2016-11-23 江苏铭安电气有限公司 A kind of single-phase oil immersion type transformator
CN106935373A (en) * 2017-03-24 2017-07-07 江苏源通电气有限公司 A kind of single-phase oil immersion type transformer
CN107123507A (en) * 2017-03-24 2017-09-01 江苏源通电气有限公司 A kind of oil-filled transformer with oil product detection means

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2121741U (en) * 1992-03-16 1992-11-11 苏州变压器厂 Adjustable reactor
CN2594948Y (en) * 2002-09-11 2003-12-24 张振华 Electric reactor with three-phase parallel cores
US20110234360A1 (en) * 2008-09-03 2011-09-29 Kenji Nakanoue Wound iron core for static apparatus, amorphous transformer and coil winding frame for transformer
CN104101489A (en) * 2014-05-29 2014-10-15 国家电网公司 Convenient high-voltage circuit breaker detection tooling
CN203982943U (en) * 2014-06-23 2014-12-03 明珠电气有限公司 A kind of liquid immersion type reactor of environmental-protection fireproof
CN204045359U (en) * 2014-09-04 2014-12-24 浙江金盘变压器有限公司 Two high voltage dry type distribution transformer
CN204270782U (en) * 2014-12-08 2015-04-15 国家电网公司 With two five posts magnet controlled reactor unshakable in one's determination of horizontal yoke

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2121741U (en) * 1992-03-16 1992-11-11 苏州变压器厂 Adjustable reactor
CN2594948Y (en) * 2002-09-11 2003-12-24 张振华 Electric reactor with three-phase parallel cores
US20110234360A1 (en) * 2008-09-03 2011-09-29 Kenji Nakanoue Wound iron core for static apparatus, amorphous transformer and coil winding frame for transformer
CN104101489A (en) * 2014-05-29 2014-10-15 国家电网公司 Convenient high-voltage circuit breaker detection tooling
CN203982943U (en) * 2014-06-23 2014-12-03 明珠电气有限公司 A kind of liquid immersion type reactor of environmental-protection fireproof
CN204045359U (en) * 2014-09-04 2014-12-24 浙江金盘变压器有限公司 Two high voltage dry type distribution transformer
CN204270782U (en) * 2014-12-08 2015-04-15 国家电网公司 With two five posts magnet controlled reactor unshakable in one's determination of horizontal yoke

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158283A (en) * 2016-08-24 2016-11-23 江苏铭安电气有限公司 A kind of single-phase oil immersion type transformator
CN106158283B (en) * 2016-08-24 2017-10-20 江苏铭安电气有限公司 A kind of single-phase oil immersion type transformer
CN106935373A (en) * 2017-03-24 2017-07-07 江苏源通电气有限公司 A kind of single-phase oil immersion type transformer
CN107123507A (en) * 2017-03-24 2017-09-01 江苏源通电气有限公司 A kind of oil-filled transformer with oil product detection means

Also Published As

Publication number Publication date
CN105469945B (en) 2018-05-01

Similar Documents

Publication Publication Date Title
CN105513755A (en) Single-phase oil-immersed transformer
CN105469945A (en) Single-phase oil-immersed transformer and special iron core therefor
CN103572987A (en) Lifting table applied to aquacade
CN106158283B (en) A kind of single-phase oil immersion type transformer
CN205354821U (en) Single -phase oil -immersed transformer
CN210403424U (en) Transformer convenient to dismantle installation
CN105513754A (en) Single-phase oil-immersed transformer and monitoring system thereof
CN205609324U (en) Single -phase oil -immersed transformer and special iron core thereof
CN206301667U (en) A kind of oil-filled transformer
CN205487646U (en) Single -phase oil -immersed transformer and monitored control system thereof
CN106935373B (en) A kind of single-phase oil immersion type transformer
CN102623155A (en) Integrated plug-pull combined type vacuum on-load tap changer
CN205749773U (en) A kind of intelligence pressure test system
CN215681547U (en) Flexible direct current converter station submodule piece replacement device
CN112466611B (en) Small-size suspension type transformer
CN112152130B (en) Construction method for quickly dismantling transformer directly connected with GIS equipment
CN106935374B (en) A kind of oil-immersed transformer with inspection platform
CN105814654A (en) Site replacement of internal saturable reactors of a rectifier power transformer
CN204772354U (en) Frock is lifted to reducing
CN209306866U (en) A kind of lifting device of transformer suitable for extreme terrain
CN109285656A (en) A kind of oil immersed type potential device
CN107123507B (en) A kind of oil-immersed transformer with oil product detection device
CN221927708U (en) Transformer convenient to dismouting is overhauld
CN210325402U (en) Transformer guide rod type low-voltage sleeve mounting structure
CN103646751A (en) Dry type transformer structure convenient to move and rapid to cool

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant