CN109285656A - A kind of oil immersed type potential device - Google Patents
A kind of oil immersed type potential device Download PDFInfo
- Publication number
- CN109285656A CN109285656A CN201811254740.2A CN201811254740A CN109285656A CN 109285656 A CN109285656 A CN 109285656A CN 201811254740 A CN201811254740 A CN 201811254740A CN 109285656 A CN109285656 A CN 109285656A
- Authority
- CN
- China
- Prior art keywords
- potential device
- iron core
- main body
- device main
- executing agency
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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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
Abstract
The present invention provides a kind of oil immersed type potential devices, and the iron core is arranged in potential device main body, iron core, coiling, heat-dissipating pipe, conservator, elevating mechanism and control system including having case lid, potential device main body center, and the iron core is submerged by oil body；Heat-dissipating pipe is provided in the potential device main body wall, the upper end of the potential device body side is provided with the conservator；The control system is connected with elevating mechanism, the elevating mechanism includes two driving mechanisms and Liang Ge executing agency, two driving mechanisms are separately positioned on the both sides external of potential device main body, two executing agencies are separately positioned on the two sides of potential device body interior iron core, the executing agency is connected with the iron core, and the driving mechanism is corresponding with executing agency to be connected.The present invention can be taken out iron core by the cooperation of elevating mechanism and control mechanism, safeguarded and changed oil to iron core, and operating method is simple, easily realize and improve the efficiency of maintenance.
Description
Technical field
The present invention relates to power Transmission equipment technical field more particularly to a kind of oil immersed type potential devices.
Background technique
The chief component of potential device is iron core and coiling, and iron core plays magnetic conduction and skeleton in potential device
Effect, the quality of processing quality directly affect the quality of potential device.Currently, potential device iron core be generally used it is stacked
Core structure is different from the manufacture of small-sized potential device iron core in the fabrication process, is mainly reflected in closed assembly and the lifting of iron core
In method, directly sling from workbench after the completion of closed assembly on workbench with suspender as long as potential device iron core is general,
Make it become upright position from horizontal position to stand up, is easy to that iron core is made to deform during lifting, causes silicon steel
Seam between piece becomes larger, and iron core end face becomes irregular, and the no-load loss and noise of such potential device can all increase
Add；In addition, being easy to that safety accident occurs in this way, the damage of equipment and the injures and deaths of personnel are caused.
Such as Publication No.: the Chinese patent of CN 105098632A discloses a kind of maintenance of bench type potential device suspended core
Method, a kind of door shaped stent suspended core tool of installation and maintenance suspended core on the channel steel of bench type potential device bottom；Use first step
One of door shaped stent suspended core tool bench type potential device suspended core is fixed；With one of first step door shaped stent
Suspended core tool slings bench type potential device suspended core；The bench type potential device sling is placed in position；Work
Personnel carry out maintenance and inspection to it；The potential device core that will have been repaired is lifted into using a kind of door shaped stent suspended core tool
Above potential device, install；It unloads door shaped stent suspended core tool and just completes this maintenance.The disadvantages of this method are: utilizing door
Potential device core is lifted maintenance by type bracket suspended core tool, and whole process noise is bigger, it is often more important that can damage transformation
Device core is unfavorable for the recycling of potential device core.
For another example Publication No.: the Chinese patent of CN 104009403A, which discloses, to be exclusively used in outdoor large potential device
Repair method overhauls bushing, overhauls to diaphragm type conservator, unloads dehydrating breather, opens the row on conservator top
Air plug is sent into leak detection air pressure, oil is enabled to escape from gas vent, closes exhaust stopple, and installation inhales warm device, opens conservator and body
Oil duct connecting valve；The oil in conservator is drained using conservator draining valve, the pipeline for passing to and inhaling warm device is removed, insulating oil is passed through
Valve injection on potential device, reduces the pressure in diaphragm, secondary lead wires connector is firmly attached；It the position of the switch number can
It is provided by instruction disk, when pointer being made to be directed at required tap position, then the screw that is tightened.The disadvantages of this method are: if desired right
After device maintenance maintenance in potential device is first dismantled unnecessary component with regard to needs, by the pressure drop in potential device
Low and all put it clean the oil in potential device, the operating time is long, time-consuming and laborious, and repair it is good after also need component successively
Original position is loaded onto, if there is damage to be just unfavorable for reusing for potential device in disassembly process, increases cost.
Summary of the invention
To overcome the problems, such as potential device iron core maintenance existing in the prior art and changing oil to operate time-consuming and laborious, the present invention
Provide a kind of oil immersed type potential device.
The technical solution used in the present invention is: a kind of oil immersed type potential device, the potential device master including having case lid
Body, iron core, coiling, heat-dissipating pipe, conservator, elevating mechanism and control system, it is characterised in that: the potential device main body center
The iron core is set, and the iron core is submerged by oil body；Heat-dissipating pipe, the transformation dress are provided in the potential device main body wall
The upper end for setting body side is provided with the conservator；The control system is connected with elevating mechanism, and the elevating mechanism includes two
A driving mechanism and Liang Ge executing agency, two driving mechanisms are separately positioned on the both sides external of potential device main body, and two
A executing agency is separately positioned on the two sides of potential device body interior iron core, the executing agency and the iron core phase
Even, the driving mechanism is corresponding with executing agency is connected.
On this basis, the executing agency includes the vertical rail being arranged in potential device main body inner wall and vertical
The bindiny mechanism slided on track, the bindiny mechanism are connected with iron core；The bindiny mechanism includes sliding vertically rail and two
Connecting rod, one end of two connecting rods are connected with the upper and lower ends for sliding vertically rail respectively, two connecting rods it is another
One end is connected with the upper and lower ends of iron core respectively.
On this basis, the top that the connecting rod is contacted with iron core is provided with corner protector, and the corner protector is arranged there are three face,
Respectively two sides and upper surface, the upper surface of the corner protector are slidably connected with two sides.
On this basis, the driving mechanism includes motor, lifting chain and pulley, the motor by lifting chain according to
It is secondary to be connected with pulley and executing agency.
On this basis, the upper end on the outside of potential device main body is arranged in the pulley.
On this basis, limit switches are set below the pulley, the limit switch is connected with control system.
On this basis, the iron core is " u "-shaped shape, and the iron core is single frame twin-core column, is divided on the single frame twin-core column
It is not wound with coiling, coiling is drawn into case lid, is cased with high-voltage isulation sleeve and low-voltage insulation jacket respectively on lead.
It on this basis, further include having lighting system, the lighting system is connected with control system, and the lighting system is set
It sets in four corners of potential device body interior, the lighting system includes LED light and the lampshade that is located at outside LED light,
The lampshade is transparent anti-corrosion lampshade, and the LED light is connected with control system.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention includes elevating mechanism and control system, and the control system is connected with elevating mechanism, the elevating mechanism packet
Two driving mechanisms and Liang Ge executing agency are included, two driving mechanisms are separately positioned on the outside two of potential device main body
Side, two executing agencies are separately positioned on the two sides of potential device body interior iron core, the executing agency and iron core phase
Even, the driving mechanism is corresponding with executing agency is connected.The design, can by potential device main body two sides added lifting mechanism
Quickly to repair iron core taking-up, operating principle is simple, and maintenance efficiency is high.
2, bindiny mechanism includes sliding vertically rail and two connecting rods in the present invention, one end difference of two connecting rods
It is connected with the upper and lower ends for sliding vertically rail, the other end of two connecting rods is connected with the upper and lower ends of iron core respectively.Even
Connection mechanism adds connecting rod by upper and lower ends and plays fixed effect to iron core, both ensure that iron core during the work time
Stablize, but also iron core amplitude of oscillation during lifting is obviously reduced, can not or can not fatigue fracture mentioned there is no hidden danger is used
The features such as high maximum lifting height and rated load, thus there is good application value.
3, the top that connecting rod is contacted with iron core in the present invention is provided with corner protector, is conducive to be lifted transformation dress in elevating mechanism
Steady rising when iron core is set, iron core will not be damaged, is conducive to the recycling of iron core.In addition there are three faces for corner protector setting, respectively
For two sides and upper surface, upper surface and the two sides of the corner protector are slidably connected, the design so that iron core is more convenient when taking out,
Fast, it is all dismantled without by corner protector and executing agency, improves maintenance efficiency.
It 4, further include having lighting system in the present invention, the lighting system is connected with control system, and the lighting system is set
It sets in four corners of potential device body interior.Lighting system includes LED light and the lampshade that is located at outside LED light, described
Lampshade is transparent anti-corrosion lampshade, and the LED light is connected with control system.The present invention can tieed up by adding lighting system
When repairing work, to maintenance work floor light, and lighting system is synchronous with elevating mechanism carries out, and only illuminates in maintenance work,
Both the efficiency for having improved maintenance also saves maintenance cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of oil immersed type potential device；
Fig. 2 is a kind of structural schematic diagram of corner protector in oil immersed type potential device.
Specific embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of oil immersed type potential devices, as shown in Figure 1, include with case lid potential device main body 1,
Iron core 2, coiling 3, heat-dissipating pipe and conservator, it is preferable that the iron core 2 in the present invention is " u "-shaped shape, is arranged in potential device main body
1 center, and the single frame twin-core column and submerged by oil body in course of normal operation.It is wound with coiling 3 respectively on single frame twin-core column,
The circle number of coiling 3 enclosed in advance according to actual demand around, according to coiling 3 enclose number number, be divided into high pressure and low pressure, by high pressure
The coiling 3 of coiling and low pressure coiling draws case lid, is cased with high-voltage isulation sleeve 4 and low-voltage insulation jacket respectively on lead
5.Preferably, it being provided with heat-dissipating pipe on 1 side wall of potential device main body in the present invention, is carried out when for working potential device scattered
The upper end of 1 side of potential device main body is arranged in heat, conservator.It is further preferred that further including elevating mechanism and control in the present invention
System processed, control system are connected with elevating mechanism, and control system control elevating mechanism is lifted single frame twin-core column.The lifting
Mechanism includes two driving mechanisms and Liang Ge executing agency, and two driving mechanisms are separately positioned on potential device main body 1
Both sides external, two executing agencies are separately positioned on the two sides of 1 inner-core 2 of potential device main body, executing agency and iron
Core 2 is connected, and driving mechanism is corresponding with executing agency to be connected.That is the two sides of single frame twin-core column are provided with executing agency and driving machine
Structure, executing agency and driving mechanism correspond, and under the control of the same control system, the two sides of single frame twin-core column are simultaneously
Under the movement of executing agency, single frame twin-core column is raised and is repaired by synchronous lifting.The design passes through in potential device main body
1 two sides added lifting mechanism can quickly repair the taking-up of iron core 2, and operating principle is simple, and maintenance efficiency is high.
As shown in Figure 1, executing agency includes the vertical rail 622 being arranged on 1 inner wall of potential device main body and vertical
The bindiny mechanism slided on track 622, bindiny mechanism and iron core 2 connect.There are two executing agency settings, is separately positioned on transformation
The two sides of 1 inner wall of apparatus main body.Bindiny mechanism includes sliding vertically rail 623 and two connecting rods 624, two connecting rods
624 one end is connected with the upper and lower ends for sliding vertically rail 623 respectively, the other end of two connecting rods 624 respectively with iron
The upper and lower ends of core 2 are connected.It slides vertically rail 623 to be embedded on vertical rail 622, can be slided on vertical rail 622
It is dynamic.By taking the left side of single frame twin-core column as an example, 1 inner wall of potential device main body is provided with vertical rail 622, the vertical cunning of bindiny mechanism
Dynamic rail 623 and the upper and lower ends that the vertical rail 622 is connected, and slides vertically rail 623 are provided with connecting rod 624, and connecting rod
624 right end is then connected with the upper and lower ends in the left side of single frame twin-core column, it is preferable that single frame twin-core column in the present embodiment with
624 contact position of connecting rod is provided with convex block, and connecting rod 624 is provided with the consistent groove of bump size, and convex block is mutually embedding in a groove,
To guarantee bindiny mechanism and 2 synchronization action of iron core.Connecting rod 624 is added by upper and lower ends, and fixed work is played to iron core 2
With, it both ensure that the stabilization of iron core 2 during the work time, but also amplitude of oscillation during lifting of iron core 2 is obviously reduced, it will not
The features such as fatigue fracture is not present and uses hidden danger, improves maximum lifting height and rated load, thus have and promote well
Application value.Further, the top that connecting rod 624 is contacted with iron core 2 is provided with corner protector 625, i.e. the left side upper and lower side of iron core 2
Edge be provided with corner protector 625, the positive setting of the corner protector 625 of 2 upper end of iron core, the corner protector 625 of lower end and the corner protector 625 of upper end
Opposite direction setting, but structure is all the same.The corner protector 625 can protect iron core 2 and not be damaged, it is also ensured that iron core 2 exists
Without departing from bindiny mechanism during lifting, guarantee the synchronous operation of iron core 2 and elevating mechanism.As shown in Fig. 2, the corner protector 625
There are three face, respectively two sides 6251 and upper surface 6252, the upper surfaces 6252 and two sides 6251 of corner protector 625 to slide for setting
Connection directly pushes the upper surface 6252 of the corner protector 625 of 2 upper end of iron core so that upper surface that is, when iron core 2 needs to take out
6252 slide along two sides 6251, can move directly up iron core 2 and further take out iron core 2.The design is so that iron core 2 takes
It is more convenient when out, fast, is all dismantled without by corner protector 625 and executing agency, improve maintenance efficiency.Similarly, single frame twin-core
Executing agency is also equipped on the left of column, i.e. the right end of iron core 2 is connected with the connecting rod 624 of left side executing agency, and iron core 2
The upper and lower side on right side is also equipped with corner protector 625, when iron core 2 needs to take out, needs the corner protector at left and right sides of 2 upper end of iron core
625 open, and just can be taken off iron core 2.
As shown in Figure 1, driving mechanism includes motor 612, lifting chain 613 and pulley 614, motor 612 is by promoting chain
Item 613 is successively connected with pulley 614 and executing agency.Driving mechanism corresponds to executing agency and is also set, respectively on potential device main body
1 two sides respectively drive corresponding executing agency.Impact direction is moved down by pulley 614, convenient for operation, and securely and reliably.
Preferably, pulley 614 is arranged in the upper end in 1 outside of potential device main body in the present embodiment, is each side arranged one.It is sliding
Limit switches 611 are arranged in 614 lower section of wheel, and the limit switch 611 is connected with control system, when the motor 612 of driving mechanism
When driving lifting chain 613 with dynamic iron core 2, since the effect of gravity can trigger limit switch 611, and triggering result is sent to
Control system, control system carry out.Lifting chain 613 and the lower section phase of the bindiny mechanism in executing agency in the present embodiment
Even, lifting chain 613 is fixed in the connecting rod 624 of 2 down either side of iron core drives lifting chain 613 to carry out in motor 612
When movement, the lifting chain 613 of two sides is lifted with 2 entirety of dynamic iron core, due to being fixed in connecting rod 624 so will not damage
Iron core 2, and the position consistency of the fixation of two sides lifting chain 613 is the lower section of iron core 2, it is possible to guarantee the steady of iron core 2
It moves up.
As shown in Figure 1, further including having lighting system in the present embodiment, the lighting system is connected with control system, control
System carries out control lighting system according to the state of limit switch 611, i.e., starts to work when driving mechanism and drive lifting chain 613
When, limit switch 611 is triggered, then the lighting system of control system control at this time is started to work, and when driving mechanism does not work, that is, is not required to
When repairing to iron core 2, limit switch 611 is not triggered, then lighting system does not work.Single frame is driven in lifting chain 613
Twin-core column can stop at any time during moving up, and since the tension of lifting chain 613 always exists, so can trigger always
Limit switch 611, therefore lighting system can work always during the work time, and after maintenance, motor 612 inverts, will
When single frame twin-core column is sent back to again in potential device main body 1, the tension of lifting chain 613 becomes smaller, and stops triggering limit switch
611, then lighting system does not work.Preferably, four corners inside potential device main body 1 are arranged in the lighting system, and
The direction of lighting system irradiation is to the intermediate illumination of iron core 2.Lighting system includes LED light 81 and is located at outside LED light 81
Lampshade 82, the lampshade 82 is transparent anti-corrosion lampshade 82, and by being wirelessly connected, control system can for LED light 81 and control system
To adjust the illumination intensity of LED light 81 during real work, to adapt to work requirements.The present invention is by adding illumination system
System can be when repairing work, to maintenance work floor light, and lighting system progress synchronous with elevating mechanism is only being tieed up
Illumination when repairing work, the efficiency for both having improved maintenance also save maintenance cost.
Elevating mechanism of the invention is not limited to whether have oil in potential device potential device main body 1, can directly pass through
Potential device iron core 2 is lifted by elevating mechanism, in order to which the effect of observation can also first extract the oil in potential device main body 1 out,
It repairs again.Preferably, be provided with fuel tank outside potential device main body 1 in the present embodiment, the fuel tank by oil pipeline with
Potential device main body 1 be connected, valve is provided on oil pipeline, potential device work normally when valve close, when need by
When oil in potential device main body 1 is replaced or repaired, valve is opened, and the oil in potential device main body 1 passes through petroleum pipeline
Road enters fuel tank.One side lower part of fuel tank is provided with oil outlet, and oil outlet is provided with flow-stopping sheet and flow deflector, flow deflector and transformation
Apparatus main body 1 is fixedly connected in 30 ° ~ 60 °, and flow-stopping sheet is slidably connected with oil outlet, and sealing ring is provided with below flow-stopping sheet, can
To guarantee its leakproofness.The oil outlet is flowed out due to there is tilt angle between fuel tank convenient for the oil body in fuel tank, and flow-stopping sheet
The flowing of oil body can be ended by insertion oil outlet, it is easy to operate effective.Wherein flow deflector can stretch, can be according to need
The length for lengthening flow deflector is sought, so that Oil Guide is more convenient and does not overflow or splashes out.
The course of work:
When potential device works normally, submerged full of oil in potential device main body 1 and by single frame twin-core column, and the valve of oil pipeline
Door is closed, and the flow-stopping sheet of fuel tank oil outlet is closed.When need to carry out the single frame twin-core column in potential device main body 1 maintenance or
When maintenance, the valve of oil pipeline is opened first, after the oil in potential device main body 1 is transferred in fuel tank by total number, control
The motor 612 of system control 1 two sides driving mechanism of potential device main body works, and motor 612 drives 1 liang of potential device main body
The lifting chain 613 of side integrally steadily moves up single frame twin-core column.While motor 612 starts, 614 top of triggering pulley
Limit switch 611, after control system receives the trigger signal of limit switch 611, control lighting system is illuminated.It is being promoted
Chain 613 can stop at any time during driving single frame twin-core column to move up, and lighting system works always in the course of work.When
When needing replacing single frame twin-core column, then lifting chain 613 is continued to wind, so that single frame twin-core column protrudes potential device main body 1
Surface slips off the upper surface 6252 of 2 corner protector 625 of iron core, and single frame twin-core column can be taken by being lifted single frame twin-core column directly up
It is replaced out.And after maintenance is finished or replaced, then the upper surface 6252 of corner protector 625 is retightened two sides
After on 6251, motor 612 is inverted, when single frame twin-core column is sent back to again in potential device main body 1, of lifting chain 613
Power becomes smaller, and stops triggering limit switch 611, then lighting system does not work, and fills it up with oil into potential device main body 1 again until single
The submergence of frame twin-core column may make potential device to work normally again.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations, modification and
Environment, and can be changed within that scope of the inventive concept describe herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of protection of the claims.
Claims (8)
1. a kind of oil immersed type potential device, including the potential device main body (1) with case lid, iron core (2), coiling (3), heat dissipation
Pipe, conservator, elevating mechanism and control system, it is characterised in that: the iron core (2) is arranged in potential device main body (1) center,
The iron core (2) is submerged by oil body；Heat-dissipating pipe, the potential device main body are provided on potential device main body (1) side wall
(1) upper end of side is provided with the conservator；The control system is connected with elevating mechanism, and the elevating mechanism includes two drives
Motivation structure and Liang Ge executing agency, two driving mechanisms are separately positioned on the both sides external of potential device main body (1), and two
The executing agency is separately positioned on the two sides of potential device main body (1) inner-core (2), the executing agency and the iron core
(2) it is connected, the driving mechanism is corresponding with executing agency to be connected.
2. a kind of oil immersed type potential device according to claim 1, it is characterised in that: the executing agency includes that setting exists
Vertical rail (622) on potential device main body (1) inner wall and the bindiny mechanism slided on vertical rail (622), the company
Connection mechanism is connected with iron core (2)；The bindiny mechanism includes sliding vertically rail (623) and two connecting rods (624), described in two
One end of connecting rod (624) is connected with the upper and lower ends for sliding vertically rail (623) respectively, two connecting rods (624) it is another
One end is connected with the upper and lower ends of iron core (2) respectively.
3. a kind of oil immersed type potential device according to claim 2, it is characterised in that: the connecting rod (624) and iron core
(2) top contacted is provided with corner protector (625), the corner protector (625) setting there are three face, respectively two sides (6251) and
Upper surface (6252), the upper surface (6252) of the corner protector (625) are slidably connected with two sides (6251).
4. a kind of oil immersed type potential device according to claim 3, it is characterised in that: the driving mechanism includes motor
(612), lifting chain (613) and pulley (614), the motor (612) by lifting chain (613) successively with pulley (614)
It is connected with executing agency.
5. a kind of oil immersed type potential device according to claim 4, it is characterised in that: pulley (614) setting is becoming
Upper end on the outside of pressure device main body (1).
6. a kind of oil immersed type potential device according to claim 5, it is characterised in that: setting below the pulley (614)
Limit switches (611), the limit switch (611) are connected with control system.
7. a kind of oil immersed type potential device according to claim 1, it is characterised in that: the iron core (2) is " u "-shaped shape,
The iron core (2) is single frame twin-core column, coiling (3) is wound with respectively on the single frame twin-core column, by coiling (3) outlet box
It covers, is cased with high-voltage isulation sleeve (4) and low-voltage insulation jacket (5) respectively on lead.
8. a kind of oil immersed type potential device according to claim 1, it is characterised in that: it further include having lighting system, it is described
Lighting system is connected with control system, the lighting system setting four corners internal in potential device main body (1), the photograph
Bright system includes LED light (81) and is located at the external lampshade (82) of LED light (81), and the lampshade (82) is transparent anti-corrosion lampshade
(82), the LED light (81) is connected with control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254740.2A CN109285656A (en) | 2018-10-26 | 2018-10-26 | A kind of oil immersed type potential device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254740.2A CN109285656A (en) | 2018-10-26 | 2018-10-26 | A kind of oil immersed type potential device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109285656A true CN109285656A (en) | 2019-01-29 |
Family
ID=65178031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811254740.2A Pending CN109285656A (en) | 2018-10-26 | 2018-10-26 | A kind of oil immersed type potential device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109285656A (en) |
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2018
- 2018-10-26 CN CN201811254740.2A patent/CN109285656A/en active Pending
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Application publication date: 20190129 |
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