CN105513755A - Single-phase oil-immersed transformer - Google Patents
Single-phase oil-immersed transformer Download PDFInfo
- Publication number
- CN105513755A CN105513755A CN201610038668.4A CN201610038668A CN105513755A CN 105513755 A CN105513755 A CN 105513755A CN 201610038668 A CN201610038668 A CN 201610038668A CN 105513755 A CN105513755 A CN 105513755A
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- China
- Prior art keywords
- oil
- casing
- iron core
- type transformer
- immersion type
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Classifications
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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
- H01F27/08—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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention provides a single-phase oil-immersed transformer which comprises a box body with a box cover, an iron core, coils, radiating tubes and an oil conservator. The iron core is a single-frame double-core column and is arranged at the center of the box body and immersed in oil, the single-frame double-core column is wounded with the coils respectively, the coils are led out of the box cover, leads are respectively sleeved with a high-pressure insulation sleeve and a low-pressure insulation sleeve, the radiating tubes are arranged on the side wall of the box body, and the oil conservator is arranged at the upper end of one side of the box body. The single-phase oil-immersed transformer further comprises a lifting mechanism, a power mechanism and an oil tank, wherein the oil tank is connected with the power mechanism and is arranged outside the box body. The single-phase oil-immersed transformer uses the oil in the box body as a power source through the power mechanism, drives the lifting mechanism to take out the iron core, stores the oil in the box body to the oil tank, facilitates iron core maintenance and oil change operation, saves the cost and also improves the overhaul efficiency.
Description
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.
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.
The technical solution used in the present invention is:
A kind of single-phase oil immersion type transformer, comprise the casing with case lid, iron core, coil, radiating tube and conservator, described iron core is single frame twin-core post, and be arranged on casing central authorities, and by oil body submergence, described 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, described wall box is provided with radiating tube, described conservator is arranged on the upper end of casing side, it is characterized in that: 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, support frame as described above comprises 6 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, described hydraulic pump porch is provided with oil filter.
On this basis, described electromagnetically operated valve is direct-acting electromagnetic valve.
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 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.
2, 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.
3, 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.
4, 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.
5, 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.
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.
A kind of single-phase oil immersion type transformer, as shown in Figure 1, comprise the casing 1 with case lid, iron core 2, coil, radiating tube and conservator, wherein iron core 2 is single frame twin-core post, 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. a single-phase oil immersion type transformer, comprise the casing (1) with case lid, iron core (2), coil, radiating tube and conservator, described iron core (2) is single frame twin-core post, and be arranged on casing (1) central authorities, and by oil body submergence, described 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, described casing (1) sidewall is provided with radiating tube, described conservator is arranged on the upper end of casing (1) side, it is characterized in that: 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).
2. a kind of single-phase oil immersion type transformer according to claim 1, 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).
3. a kind of single-phase oil immersion type transformer according to claim 2, 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).
4. a kind of single-phase oil immersion type transformer according to claim 2, 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.
5. a kind of single-phase oil immersion type transformer according to claim 4, is characterized in that: support frame as described above (31) comprises 4 ~ 8 scissor structures (311).
6. a kind of single-phase oil immersion type transformer according to claim 5, is characterized in that: support frame as described above (31) comprises 6 scissor structures (311).
7. a kind of single-phase oil immersion type transformer according to claim 1, 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.
8. a kind of single-phase oil immersion type transformer according to claim 7, is characterized in that: described hydraulic pump (41) porch is provided with oil filter.
9. a kind of single-phase oil immersion type transformer according to claim 7, is characterized in that: described electromagnetically operated valve (44) is direct-acting electromagnetic valve (44).
10. a kind of single-phase oil immersion type transformer according to claim 1, 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.
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CN201610038668.4A CN105513755B (en) | 2016-01-20 | 2016-01-20 | A kind of single-phase oil immersion type transformer |
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CN201610038668.4A CN105513755B (en) | 2016-01-20 | 2016-01-20 | A kind of single-phase oil immersion type transformer |
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CN105513755B CN105513755B (en) | 2018-01-05 |
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Cited By (4)
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 |
CN109378177A (en) * | 2018-12-06 | 2019-02-22 | 四川星脉电子科技有限责任公司 | Oil-immersed transformer |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5793509A (en) * | 1980-12-03 | 1982-06-10 | Mitsubishi Electric Corp | Standing-up device of induction-type electric device |
CN101819874A (en) * | 2010-03-31 | 2010-09-01 | 王义明 | Winding machine for coiled core transformer |
CN102306547A (en) * | 2011-05-12 | 2012-01-04 | 徐州市恒源电器有限公司 | Lifting regulating device for automatic transformer wire package dip welding machine |
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 |
CN204315331U (en) * | 2014-10-30 | 2015-05-06 | 南通市海王电气有限公司 | A kind of novel oil-filled transformer |
CN205354821U (en) * | 2016-01-20 | 2016-06-29 | 江苏铭安电气有限公司 | Single -phase oil -immersed transformer |
-
2016
- 2016-01-20 CN CN201610038668.4A patent/CN105513755B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5793509A (en) * | 1980-12-03 | 1982-06-10 | Mitsubishi Electric Corp | Standing-up device of induction-type electric device |
CN101819874A (en) * | 2010-03-31 | 2010-09-01 | 王义明 | Winding machine for coiled core transformer |
CN102306547A (en) * | 2011-05-12 | 2012-01-04 | 徐州市恒源电器有限公司 | Lifting regulating device for automatic transformer wire package dip welding machine |
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 |
CN204315331U (en) * | 2014-10-30 | 2015-05-06 | 南通市海王电气有限公司 | A kind of novel oil-filled transformer |
CN205354821U (en) * | 2016-01-20 | 2016-06-29 | 江苏铭安电气有限公司 | Single -phase oil -immersed transformer |
Cited By (5)
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 |
CN109378177A (en) * | 2018-12-06 | 2019-02-22 | 四川星脉电子科技有限责任公司 | Oil-immersed transformer |
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