CN109065333A - A kind of high-tension transformer maintenance process - Google Patents
A kind of high-tension transformer maintenance process Download PDFInfo
- Publication number
- CN109065333A CN109065333A CN201810955815.3A CN201810955815A CN109065333A CN 109065333 A CN109065333 A CN 109065333A CN 201810955815 A CN201810955815 A CN 201810955815A CN 109065333 A CN109065333 A CN 109065333A
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- transformer
- blade
- bearing
- screw mechanism
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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
- H01F27/085—Cooling by ambient air
-
- 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
- H01F27/18—Liquid cooling by evaporating liquids
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to transformer technology fields, specifically a kind of high-tension transformer maintenance process, method includes the following steps: step 1: sunshade is arranged at the top of transformer, solar panel is installed in sunshade upper surface, and electric energy is stored in battery by solar panel；Step 2: the battery in step 1 is electrically connected with radiator, radiator radiates to transformer；Step 3: on the basis of step 2, installing sink in the lower section of transformer, and sink is for accepting rainwater, and when high temperature, the rainwater evaporation in sink radiates to transformer, and sink and radiator are with the use of can be improved heat dissipation effect.This method cooperates the use of radiator by the way that sink is arranged in transformer bottom, can substantially reduce the temperature of transformer, improve the service life of transformer.
Description
Technical field
The invention belongs to transformer technology field, specifically a kind of high-tension transformer maintenance process.
Background technique
At runtime, the loss in winding and iron core can generate a large amount of heat to transformer, which must dissipate in time
It goes out, in order to avoid overheat and insulating layer is caused to damage.To the transformer of low capacity, the ratio between external surface area and transformer volume are relatively
Greatly, self cooling mode can be used, heat can be dispersed by radiation and free convection.But due to the loss of transformer with
Its volume is proportional, so volume and loss will be increased with core dimensions cube, and outer with the increase of transformer capacity
The quadratic power that surface area is only sized increases, and radiates more difficult.Therefore, the transformer core of large capacity and winding should be soaked
It is cooled down in the oil.
Common oil immersion heat dissipating method is oil and oil, and both methods can only be by inside transformer heat
It conducts to transformer outer surface, but therefore heat, reduces heat dissipation effect still around transformer.
In consideration of it, a kind of high-tension transformer maintenance process of the present invention, according to the temperature on transformer surface to conduction
Heat to transformer surface is dispersed, and can be radiated long-term effectively to transformer, and is functionally realized certainly
The effect of dynamicization adjusting transformer temperature.
Summary of the invention
In order to make up for the deficiencies of the prior art, the invention proposes a kind of high-tension transformer maintenance process, this method passes through
Sink is set in transformer bottom, and cooperates the use of radiator, the temperature of transformer can be substantially reduced, improve transformer
Service life.
The technical solution adopted by the present invention to solve the technical problems is: a kind of high-tension transformer maintenance of the present invention
Method, method includes the following steps:
Step 1: sunshade is set at the top of transformer, solar panel, solar-electricity are installed in sunshade upper surface
Electric energy is stored in battery by pond plate；
Step 2: the battery in step 1 is electrically connected with radiator, radiator radiates to transformer；
Step 3: on the basis of step 2, sink is installed in the lower section of transformer, sink is for accepting rainwater, high temperature
When, the rainwater evaporation in sink radiates to transformer, and sink and radiator are with the use of can be improved heat dissipation effect；
Radiator in the step 4, including transformer heat source, a pair of of permanent magnet, temperature control telescoping components, thrust axis
It holds, become screw mechanism, blade and motor；The position of the transformer heat source is fixed；The position of the motor is fixed, motor to
Band movable vane piece rotates；A pair of of permanent magnet is homopolarity magnet, and the left end of a pair of of permanent magnet is fixed on transformer heat source, one
The right end of permanent magnet is fixed on temperature control telescoping components, mutually exclusive generation gap between homopolarity magnet；The temperature control is flexible
In temperature change, the length of temperature control telescoping components can change device with temperature；The left end of the thrust bearing passes through
Bearing block is connected with temperature control telescoping components, and the right end of thrust bearing is connected with screw mechanism is become, and bearing is equipped on thrust bearing
It covers, bearing holder (housing, cover) is used to guarantee that the both ends of thrust bearing will not separate thrust bearing and ensure that the rotation of blade, while also by temperature control
Telescoping components are acted on rack gear by thermogenetic moving distance, and the outside of bearing block is cased with sliding sleeve, and the position of sliding sleeve is fixed
, sliding sleeve makes only one freedom of motion of bearing block, i.e. bearing block can only slide in the axial direction；The change screw mechanism
It is connected to the motor by rotary shaft, driven by the motor, the right side and change screw mechanism of thrust bearing are together about rotary shaft
Axis rotation；The blade, which is mounted on, to be become on screw mechanism, and the blade blowout wind of rotation is for dissipating transformer heat source
Heat becomes helical angle of the screw mechanism to change blade, and then changes the blowing amount of blade.
The change screw mechanism, including gear, shell, bearing, rack gear, spring and sliding slot, the blade pass through axis
It holds and is fixed on shell, gear, the rotation that blade can be carried out around the axis of gear, to change blade are fixed with below blade
Helical angle, and then change the air force that blade generates when rotating driven by the motor；The wheel and rack is mutually nibbled
It closes, and rack gear can slide along the chute, when rack gear slides, certain angle is rotated by gear band movable vane piece；The spring
Left end be connected with rack gear, the right end of spring is connected with shell, and spring is used to limit the moving distance of rack gear.
The temperature control telescoping components, including piston rod, thermal expansive fluid, cylinder barrel and piston, the piston rod and work
Plug is fixedly connected with；The piston can be slided along inner wall of cylinder；The thermal expansive fluid is placed between two pistons, works as transformation
When device heat source temperature increases, thermal expansive fluid volume increases, and pushes piston mobile to both ends, the moving distance by piston rod,
Bearing block and thrust bearing act on rack gear；The gap of mutually exclusive generation between homopolarity using a pair of of permanent magnet, on the one hand
It ensure that transformer heat source will not make temperature control telescoping components excessively heated, on the other hand the distance that temperature control telescoping components generate moved
It is dynamic to be buffered, prevent the helical angle of blade from changing excessive.
The quantity of the blade is at least two panels, and the interval between blade is uniform.
The beneficial effects of the present invention are:
A kind of high-tension transformer maintenance process of the present invention, can long-term effectively radiate to transformer, and
The temperature control telescoping components have recycled the heat of transformer generation, the corresponding axial position for generating temperature control telescoping components
It moves, when which acts on change screw mechanism, makes blade that corresponding helical angle variation occur, and then change blowing amount size, it is real
The effect that automation adjusts transformer temperature is showed.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is the flow chart of method of the invention；
Fig. 2 is the structural schematic diagram of radiator of the invention；
Fig. 3 is the partial sectional view of the change screw mechanism in Fig. 2；
Fig. 4 is the cross-sectional view of the temperature control telescoping components in Fig. 2；
Fig. 5 is the structural schematic diagram of sliding sleeve and bearing block in Fig. 2；
In figure: transformer heat source 1, a pair of of permanent magnet 2, temperature control telescoping components 3, piston rod 31, thermal expansive fluid 32, cylinder barrel
33, piston 34, thrust bearing 4, bearing block 41, sliding sleeve 42, bearing holder (housing, cover) 43, change screw mechanism 5, blade 51, gear 52, shell
53, bearing 54, rack gear 55, spring 56, sliding slot 57, motor 6, rotary shaft 61.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
A kind of high-tension transformer maintenance process, method includes the following steps:
Step 1: sunshade is set at the top of transformer, solar panel, solar-electricity are installed in sunshade upper surface
Electric energy is stored in battery by pond plate；
Step 2: the battery in step 1 is electrically connected with radiator, radiator radiates to transformer；
Step 3: on the basis of step 2, sink is installed in the lower section of transformer, sink is for accepting rainwater, high temperature
When, the rainwater evaporation in sink radiates to transformer, and sink and radiator are with the use of can be improved heat dissipation effect；
As shown in Figures 2 to 5, the radiator in the step 4, including transformer heat source 1, a pair of of permanent magnet 2, temperature
It controls telescoping components 3, thrust bearing 4, become screw mechanism 5, blade 51 and motor 6；The position of the transformer heat source 1 is fixed；Institute
The position for stating motor 6 is fixed, and motor 6 is rotated to band movable vane piece 51；A pair of of permanent magnet 2 is homopolarity magnet, Yi Duiyong
The left end of magnet 2 is fixed on transformer heat source 1, and the right end of a pair of of permanent magnet 2 is fixed on temperature control telescoping components 3, homopolarity magnetic
Mutually exclusive generation gap between body；For the temperature control telescoping components 3 in temperature change, the length of temperature control telescoping components 3 can be with
Temperature changes；The left end of the thrust bearing 4 is connected by bearing block 41 with temperature control telescoping components 3, thrust bearing 4
Right end is connected with screw mechanism 5 is become, and bearing holder (housing, cover) 43 is equipped on thrust bearing 4, bearing holder (housing, cover) 43 is for guaranteeing the two of thrust bearing 4
End will not separate, thrust bearing 4 ensure that the rotation of blade 51, at the same also by temperature control telescoping components 3 by thermogenetic movement away from
From acting on rack gear 55, and the outside of bearing block 41 is cased with sliding sleeve 42, the position of sliding sleeve 42 be it is fixed, sliding sleeve 42 makes bearing
41 only one freedom of motion of seat, i.e. bearing block 41 can only slide in the axial direction；The change screw mechanism 5 passes through rotary shaft
61 are connected with motor 6, and under the drive of motor 6, the right side and change screw mechanism 5 of thrust bearing 4 are together about rotary shaft 61
Axis rotation；The blade 51, which is mounted on, to be become on screw mechanism 5, and the blade 51 of rotation blows out wind and is used for transformer heat source 1
Heat dissipation, become helical angle of the screw mechanism 5 to change blade 51, and then change the blowing amount of blade 51.
The change screw mechanism 5, including gear 52, shell 53, bearing 54, rack gear 55, spring 56 and sliding slot 57, it is described
Blade 51 be fixed on shell 53 by bearing 54, the lower section of blade 51 is fixed with gear 52, and blade 51 can be around gear 52
Axis carry out rotation, to change the helical angle of blade 51, to change generation when blade 51 rotates under the drive of motor 6
Air force；The gear 52 is meshed with rack gear 55, and rack gear 55 57 can slide along the chute, when rack gear 55 slides,
Certain angle is rotated with movable vane piece 51 by gear 52；The left end of the spring 56 is connected with rack gear 55, the right side of spring 56
End is connected with shell 53, and spring 56 is used to limit the moving distance of rack gear 55.
The temperature control telescoping components 3, including piston rod 31, thermal expansive fluid 32, cylinder barrel 33 and piston 34, the work
Stopper rod 31 is fixedly connected with piston 34；The piston 34 can be slided along 33 inner wall of cylinder barrel；The thermal expansive fluid 32 is placed in
Between two pistons 34, when 1 temperature of transformer heat source increases, 32 volume of thermal expansive fluid increases, and pushes piston 34 to both ends
Mobile, which acts on rack gear 55 by piston rod 31, bearing block 41 and thrust bearing 4；Utilize a pair of of permanent magnet 2
The gap of mutually exclusive generation between homopolarity, on the one hand ensure that transformer heat source 1 will not make temperature control telescoping components 3 excessively by
On the other hand heat buffers the distance movement that temperature control telescoping components 3 generate, prevents the helical angle of blade 51 from changing
Greatly.
The quantity of the blade 51 is at least two panels, and the interval between blade 51 is uniform.
Specific workflow is as follows:
In use, motor 6 rotates, so that the blade 51 become on screw mechanism 5 is rotated by rotary shaft 61, work as transformer
When the heat that heat source 1 issues increases, heat increases the volume of the thermal expansive fluid 32 in temperature control telescoping components 3, and then pushes
Piston 34 generates corresponding displacement, which acts on rack gear 55, rack gear by piston rod 31, bearing block 41 and thrust bearing 4
55 57 movements along the chute, rack gear 55 are correspondingly rotated with the generation of moving gear 52, so that the helical angle of blade 51 is changed, thus right
The air force that blade 51 generates realizes control, which acts on transformer heat source 1, finally generates to transformer heat source 1
Heat dispersed, realize the purpose of temp auto-controlled.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (4)
1. a kind of high-tension transformer maintenance process, it is characterised in that: method includes the following steps:
Step 1: sunshade is set at the top of transformer, solar panel, solar panel are installed in sunshade upper surface
Electric energy is stored in battery；
Step 2: the battery in step 1 is electrically connected with radiator, radiator radiates to transformer；
Step 3: on the basis of step 2, installing sink in the lower section of transformer, and sink is for accepting rainwater, when high temperature, water
Rainwater evaporation in slot radiates to transformer, and sink and radiator are used cooperatively and can be improved heat dissipation effect；
Wherein, the radiator in the step 4 includes transformer heat source (1), a pair of of permanent magnet (2), temperature control telescoping components
(3), thrust bearing (4), change screw mechanism (5), blade (51) and motor (6)；The position of the transformer heat source (1) is solid
It is fixed；The position of the motor (6) is fixed, and motor (6) is rotated to band movable vane piece (51)；A pair of of permanent magnet (2) is same
The left end of pole magnet, a pair of of permanent magnet (2) is fixed on transformer heat source (1), and the right end of a pair of of permanent magnet (2) is fixed on temperature control
On telescoping components (3), mutually exclusive generation gap between homopolarity magnet；The temperature control telescoping components (3) are in temperature change, temperature
The length of control telescoping components (3) can change with temperature；The left end of the thrust bearing (4) passes through bearing block (41) and temperature
It controls telescoping components (3) to be connected, the right end of thrust bearing (4) is connected with screw mechanism (5) are become, and thrust bearing is equipped with axis on (4)
Bearing sleeve (43), for bearing holder (housing, cover) (43) for guaranteeing that the both ends of thrust bearing (4) will not separate, thrust bearing (4) ensure that blade
(51) rotation, while also being acted on temperature control telescoping components (3) rack gear (55) by the variation of thermogenetic length, and bearing block
(41) outside is cased with sliding sleeve (42), the position of sliding sleeve (42) be it is fixed, sliding sleeve (42) make bearing block (41) only one
Freedom of motion, i.e. bearing block (41) can only slide in the axial direction；The change screw mechanism (5) passes through rotary shaft (61) and electricity
Machine (6) is connected, and under the drive of motor (6), the right side of thrust bearing (4) and change screw mechanism (5) are together about rotary shaft
(61) axis rotation；The blade (51), which is mounted on, to be become on screw mechanism (5), and blade (51) the blowout wind of rotation is to right
Transformer heat source (1) heat dissipation becomes the helical angle of screw mechanism (5) to change blade (51), and then changes blowing for blade (51)
Air quantity.
2. a kind of high-tension transformer maintenance process according to claim 1, it is characterised in that: the change screw mechanism
(5), including gear (52), shell (53), bearing (54), rack gear (55), spring (56) and sliding slot (57), the blade (51)
It is fixed on shell (53) by bearing (54), and is fixed with gear (52) below blade (51), blade (51) can be around tooth
The rotation that the axis of (52) carries out is taken turns, to change the helical angle of blade (51), and then changes blade (51) in the drive of motor (6)
The air force generated when lower rotation；The gear (52) is meshed with rack gear (55), and rack gear (55) can be along the chute
(57) it slides；The left end of the spring (56) is connected with rack gear (55), and the right end of spring (56) is connected with shell (53).
3. a kind of high-tension transformer maintenance process according to claim 1, it is characterised in that: the temperature control telescoping components
(3), including piston rod (31), thermal expansive fluid (32), cylinder barrel (33) and piston (34), the piston rod (31) and piston
(34) it is fixedly connected with；The piston (34) can be slided along cylinder barrel (33) inner wall；The thermal expansive fluid (32) is placed in two
Between piston (34).
4. a kind of high-tension transformer maintenance process according to claim 2, it is characterised in that: the number of the blade (51)
Amount is at least two panels, and the interval between blade (51) is uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955815.3A CN109065333A (en) | 2018-08-21 | 2018-08-21 | A kind of high-tension transformer maintenance process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955815.3A CN109065333A (en) | 2018-08-21 | 2018-08-21 | A kind of high-tension transformer maintenance process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065333A true CN109065333A (en) | 2018-12-21 |
Family
ID=64686712
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810955815.3A Withdrawn CN109065333A (en) | 2018-08-21 | 2018-08-21 | A kind of high-tension transformer maintenance process |
Country Status (1)
| Country | Link |
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| CN (1) | CN109065333A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324962A (en) * | 2020-11-04 | 2021-02-05 | 贵州电网有限责任公司 | Disassembly-free pressure check valve of pressure release valve |
| CN112344033A (en) * | 2020-11-04 | 2021-02-09 | 贵州电网有限责任公司 | Pressure relief valve dismounting-free test valve device |
| CN117457337A (en) * | 2023-12-22 | 2024-01-26 | 河南铜牛变压器有限公司 | 24 pulse wave silicone rubber dry-type rectifier transformer for distribution system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1537335A (en) * | 1966-09-06 | 1968-08-23 | Fichtel & Sachs Ag | Epicyclic train |
| EP0697523B1 (en) * | 1994-08-19 | 2001-03-07 | Diavac Limited | Screw fluid machine |
| CN2926522Y (en) * | 2006-06-22 | 2007-07-25 | 林保龙 | Heat power equipment |
| CN102523725A (en) * | 2011-12-15 | 2012-06-27 | 上海大学 | Cooling device for forced air cooling of temperature-difference engine |
| CN103047741A (en) * | 2013-01-25 | 2013-04-17 | 郑州大学综合设计研究院 | Temperature-controlled and self-regulation rotational flow air distributor of air conditioning system |
| CN104065236A (en) * | 2013-03-22 | 2014-09-24 | 林英楠 | Permanent magnetic speed regulation, brake or load apparatus capable of stepless adjustment of magnetic field intensity |
| CN107344305A (en) * | 2016-05-06 | 2017-11-14 | 深圳市维可达精密科技有限公司 | A kind of cutter sharpener continuous alignment device of random coil line |
| CN206712292U (en) * | 2017-05-17 | 2017-12-05 | 国网山东省电力公司梁山县供电公司 | A kind of electrical control cabinet |
| CN108417346A (en) * | 2018-05-02 | 2018-08-17 | 杨秀波 | A kind of solar energy automatic heat radiation formula transformer |
-
2018
- 2018-08-21 CN CN201810955815.3A patent/CN109065333A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1537335A (en) * | 1966-09-06 | 1968-08-23 | Fichtel & Sachs Ag | Epicyclic train |
| EP0697523B1 (en) * | 1994-08-19 | 2001-03-07 | Diavac Limited | Screw fluid machine |
| CN2926522Y (en) * | 2006-06-22 | 2007-07-25 | 林保龙 | Heat power equipment |
| CN102523725A (en) * | 2011-12-15 | 2012-06-27 | 上海大学 | Cooling device for forced air cooling of temperature-difference engine |
| CN103047741A (en) * | 2013-01-25 | 2013-04-17 | 郑州大学综合设计研究院 | Temperature-controlled and self-regulation rotational flow air distributor of air conditioning system |
| CN104065236A (en) * | 2013-03-22 | 2014-09-24 | 林英楠 | Permanent magnetic speed regulation, brake or load apparatus capable of stepless adjustment of magnetic field intensity |
| CN107344305A (en) * | 2016-05-06 | 2017-11-14 | 深圳市维可达精密科技有限公司 | A kind of cutter sharpener continuous alignment device of random coil line |
| CN206712292U (en) * | 2017-05-17 | 2017-12-05 | 国网山东省电力公司梁山县供电公司 | A kind of electrical control cabinet |
| CN108417346A (en) * | 2018-05-02 | 2018-08-17 | 杨秀波 | A kind of solar energy automatic heat radiation formula transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324962A (en) * | 2020-11-04 | 2021-02-05 | 贵州电网有限责任公司 | Disassembly-free pressure check valve of pressure release valve |
| CN112344033A (en) * | 2020-11-04 | 2021-02-09 | 贵州电网有限责任公司 | Pressure relief valve dismounting-free test valve device |
| CN117457337A (en) * | 2023-12-22 | 2024-01-26 | 河南铜牛变压器有限公司 | 24 pulse wave silicone rubber dry-type rectifier transformer for distribution system |
| CN117457337B (en) * | 2023-12-22 | 2024-03-01 | 河南铜牛变压器有限公司 | 24 pulse wave silicone rubber dry-type rectifier transformer for distribution system |
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Application publication date: 20181221 |