CN118507201B - Dry-type transformer with explosion-proof function and preparation process - Google Patents
Dry-type transformer with explosion-proof function and preparation process Download PDFInfo
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- CN118507201B CN118507201B CN202410822334.0A CN202410822334A CN118507201B CN 118507201 B CN118507201 B CN 118507201B CN 202410822334 A CN202410822334 A CN 202410822334A CN 118507201 B CN118507201 B CN 118507201B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims abstract description 38
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 34
- 238000004880 explosion Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 15
- 230000003139 buffering effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
- H01F27/02—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
-
- 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
- H01F27/08—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
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
本发明公开了一种具有防爆功能的干式变压器及制备工艺，涉及变压器技术领域，包括：防爆壳体，防爆壳体内固定设有U型支架，且U型支架顶部设有若干组保护组件，干式变压器主体设于防爆壳体内并插入保护组件内，U型支架底部通过阻尼件连接有支撑散热箱，防爆壳体顶部设有支撑底板，且支撑底板两侧活动设有挡板，支撑立柱固定设于支撑底板顶部中心，且两组挡板与支撑立柱顶部的蘑菇头抵接。本发明通过设计防爆壳体、优化散热结构、改进固定与缓冲装置等多项技术手段，有效解决了传统干式变压器存在的安全隐患、散热效率低下和维护困难等问题，使得设备能够在高温、高压工作环境下稳定运行，并大幅提升了设备的安全性和可靠性。
The present invention discloses a dry-type transformer with explosion-proof function and a preparation process, which relates to the technical field of transformers, including: an explosion-proof shell, a U-shaped bracket is fixedly provided in the explosion-proof shell, and a plurality of groups of protective components are provided on the top of the U-shaped bracket, the main body of the dry-type transformer is arranged in the explosion-proof shell and inserted into the protective components, the bottom of the U-shaped bracket is connected to a support heat dissipation box through a damping member, a support base plate is provided on the top of the explosion-proof shell, and baffles are movably provided on both sides of the support base plate, a support column is fixedly provided at the top center of the support base plate, and two groups of baffles abut against the mushroom head on the top of the support column. The present invention effectively solves the safety hazards, low heat dissipation efficiency and maintenance difficulties existing in traditional dry-type transformers by designing an explosion-proof shell, optimizing the heat dissipation structure, improving the fixing and buffering devices and other technical means, so that the equipment can operate stably under high temperature and high pressure working environment, and greatly improves the safety and reliability of the equipment.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a dry-type transformer with an explosion-proof function and a preparation process thereof.
Background
Dry transformers are a common type of power transformer that differs from oil-immersed transformers in that they use an oil-free solid insulating material (typically a resin) to insulate windings and other electrical components, rather than liquid insulating oil as in oil-immersed transformers.
The conventional dry-type transformer has problems in industrial and commercial applications, mainly including insufficient safety, poor heat dissipation effect, difficult maintenance caused by complex structure, and the like, and generally has risks of explosion and damage caused by internal faults under high-temperature and high-voltage working conditions, which not only causes serious loss to equipment, but also may endanger the safety of field personnel. Therefore, we provide a dry-type transformer with explosion-proof function and a manufacturing process thereof, which solve one or more of the above problems.
Disclosure of Invention
The present invention is directed to a dry-type transformer with explosion-proof function and a manufacturing process thereof, so as to solve one or more of the problems set forth in the background art.
The invention provides the technical scheme that the anti-explosion device comprises an anti-explosion shell, wherein a U-shaped support is fixedly arranged in the anti-explosion shell, a plurality of groups of protection components are arranged at the top of the U-shaped support, a dry type transformer main body is arranged in the anti-explosion shell and is inserted into the protection components, the bottom of the U-shaped support is connected with a supporting heat dissipation box through a damping piece, a supporting bottom plate is arranged at the top of the anti-explosion shell, baffles are movably arranged at two sides of the supporting bottom plate, a supporting upright post is fixedly arranged at the center of the top of the supporting bottom plate, and the two groups of baffles are abutted against mushroom heads at the top of the supporting upright post.
Preferably, the supporting heat dissipation box is fixedly connected with the bottom of the inner wall of the explosion-proof shell, the same ventilation groove is formed in the bottom of the supporting heat dissipation box, the top and the U-shaped support, the two groups of heat dissipation motors are fixedly arranged in the supporting heat dissipation box, and heat dissipation blades are fixedly arranged on an output shaft of the heat dissipation motor.
Preferably, the two groups of fixing sleeves are symmetrically and fixedly arranged on the outer wall of the explosion-proof shell, the first T-shaped rod is connected with the fixing sleeve in a vertical sliding mode, the top of the first T-shaped rod is fixedly connected with the supporting bottom plate, the first reset spring is sleeved on the outer wall of the first T-shaped rod, and the two ends of the first reset spring are respectively fixedly connected with the supporting bottom plate and the fixing sleeve.
Preferably, the U-shaped support column is fixedly arranged at the top of the explosion-proof shell, and the U-shaped support column penetrates through the supporting bottom plate in a sliding manner.
Preferably, a first chute is formed in one side, close to the supporting upright, of the baffle, a sliding block is connected in the first chute in a sliding mode, a limiting block is fixedly connected with the supporting upright, one side, close to the limiting block, of the limiting sleeve is connected with the limiting block in a sliding mode up and down, the U-shaped part is movably sleeved on the outer wall of the limiting sleeve, the clamping block is movably arranged in the limiting sleeve, one end of the first connecting rod movably extends into the limiting sleeve and is fixedly connected with the clamping block through a third reset spring, one end of the clamping rod is fixedly connected with the top of the U-shaped part, the other end of the clamping rod movably extends into the limiting sleeve, a clamping groove matched with the clamping rod is formed in the clamping block, the top of the T-shaped rod movably penetrates through the bottom of the U-shaped part and is fixedly connected with the outer wall of the limiting sleeve, the second reset spring is sleeved on the outer wall of the second T-shaped rod, and the two ends of the reset spring are respectively fixedly connected with the limiting sleeve and the U-shaped part.
Preferably, the protection assembly comprises an outer protection shell and an inner protection shell, wherein the outer protection shell is fixedly connected with the U-shaped support, the inner protection shell is arranged in the outer protection shell, a gap is reserved between the outer protection shell and the inner protection shell, a plurality of groups of buffer pieces are arranged in left and right gaps between the outer protection shell and the inner protection shell, and rubber pads are filled in front and rear gaps between the outer protection shell and the inner protection shell.
Preferably, the installation piece is fixed with inner shell inner wall fixed connection, two sets of fixed blocks symmetry are fixed to be located the installation piece front side, and guide bar both ends respectively with two sets of fixed block fixed connection, two sets of guide sliding sleeve activity cup joints in the guide bar outer wall, and be connected through reset spring IV between guide sliding sleeve and the fixed block, reset spring IV cup joints in the guide bar outer wall, cross pole one end respectively with two sets of guide sliding sleeve swing joint, cross pole other end and arc support piece swing joint, one side that the arc support piece is close to the dry-type transformer main part is fixed to be equipped with the gasbag circle, and gasbag circle and dry-type transformer main part butt.
Preferably, the buffer piece comprises a first U-shaped rubber piece and a second U-shaped rubber piece, the first U-shaped rubber piece is fixedly connected with the inner wall of the outer protection shell, the second U-shaped rubber piece is fixedly connected with the outer wall of the inner protection shell, one side, close to the second U-shaped rubber piece, of the first U-shaped rubber piece movably penetrates into the second U-shaped rubber piece, the fifth return spring is arranged in the first U-shaped rubber piece and the second U-shaped rubber piece, and the five ends of the fifth return spring are fixedly connected with the inner walls of the first U-shaped rubber piece and the second U-shaped rubber piece respectively.
Preferably, the upper and lower inner wall fixed connection of stock and outer protective housing, the torsional spring cup joints in the stock outer wall, and torsional spring both ends respectively with U type rubber spare one and U type rubber spare outer wall fixed connection.
A preparation process of a dry-type transformer with an explosion-proof function is used for preparing the dry-type transformer with the explosion-proof function, and comprises the following steps:
s1, manufacturing an iron core by adopting a silicon steel sheet and an amorphous mixed material through a special process, so as to reduce loss under the condition of keeping a small volume;
s2, an explosion-proof hoop is additionally arranged on the high-voltage winding and is cast with the high-voltage winding into a whole, so that the explosion-proof effect of splashing of fragments caused by failure height Wen Zhalie of the winding is realized;
s3, adopting an iron core section with an elliptical section and a winding with an elliptical section matched with the iron core in shape, fully utilizing space and achieving the purpose of miniaturization of products;
S4, winding the high-voltage winding of the dry-type transformer main body in a transposition winding mode so as to reduce eddy currents of the winding and reduce loss;
S5, the low-voltage winding of the dry type transformer main body adopts a copper foil cylindrical coil, and resin can be soaked in layers, turns or sections of the winding at one time through vacuum casting, and after solidification, the resin, wires and glass fiber grids are tightly combined together to form a firm rigid structure;
S6, hanging the prepared dry type transformer main body into an explosion-proof shell and protecting the dry type transformer main body through a protection component.
Compared with the prior art, the invention has the beneficial effects that:
1. The explosion-proof device has strong explosion-proof function, adopts an explosion-proof shell, a protection component and other explosion-proof structures, effectively prevents explosion caused by the failure of electrical equipment, and ensures the safety of the equipment and operators.
2. And the design of supporting the heat dissipation box, the heat dissipation motor and other heat dissipation components effectively improves the heat dissipation efficiency of the transformer and ensures the long-time stable operation of the equipment.
3. The device has compact structure and enhanced stability, adopts the design of a U-shaped bracket, a supporting bottom plate, a baffle plate and the like, ensures the compactness and the stability of the device structure, and is suitable for installation and use under various environmental conditions.
4. And the vibration and impact are relieved, namely damage caused by the vibration and impact in the running process of the equipment is effectively reduced through devices such as a reset spring, a limiting sleeve and a sliding block, and the service life of the equipment is prolonged.
5. The maintenance and safety enhancement are that the multi-layer protection structures such as the outer protection shell, the inner protection shell and the buffer part are designed, so that the safety of the equipment is enhanced, and the maintenance of the equipment are simplified.
6. The preparation process is optimized by adopting special processes, such as explosion-proof design of a high-voltage winding, optimization of the shape of an iron core, improvement of a winding mode and the like, so that the transformer is remarkably improved in the aspects of small volume, low loss, long service life and the like.
In summary, the dry-type transformer with the explosion-proof function not only has remarkable improvement on safety performance, but also has great improvement on stability, heat dissipation performance, maintenance convenience and the like, and can better meet the requirements of industry and business fields on safety and reliability of power equipment.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic perspective view of a supporting heat dissipating box according to the present invention;
FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;
FIG.4 is a schematic side view of a U-shaped member according to the present invention;
FIG. 5 is a schematic top view of the protection component of the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 5 according to the present invention.
1, An explosion-proof shell; the dry type transformer comprises a dry type transformer main body, 3, a protection component, 4, a U-shaped bracket, 5, a damping piece, 6, a supporting radiating box, 7, a radiating motor, 8, radiating blades, 9, a ventilating slot, 10, a supporting upright post, 11, a supporting bottom plate, 12, a U-shaped pillar, 13, a first return spring, 14, a fixing sleeve, 15, a first T-shaped rod, 16, a baffle, 17, a sliding block, 18, a first sliding groove, 19, a first connecting rod, 20, a limiting sleeve, 21, a U-shaped piece, 22, a clamping rod, 23, a clamping block, 24, a second return spring, 25, a second T-shaped rod, 26, a third return spring, 27, a limiting block, 28, an outer protective shell, 29, an inner protective shell, 30, a buffer piece, 31, an arc-shaped piece, 32, a rubber pad, 33, a mounting block, 34, a fixed block, 35, a guide rod, 36, a guide sliding sleeve, 37, a fourth return spring, 38, a cross rod, 39, an airbag ring, 40, a gap, 41, a first U-shaped rubber piece, 42, a fifth return spring, 43, a second U-shaped rubber piece, 44 and 45.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-2, the invention provides a technical scheme, which comprises an explosion-proof shell 1, wherein a U-shaped support 4 is fixedly arranged in the explosion-proof shell 1, a plurality of groups of protection components 3 are arranged at the top of the U-shaped support 4, a dry type transformer main body 2 is arranged in the explosion-proof shell 1 and is inserted into the protection components 3, the bottom of the U-shaped support 4 is connected with a supporting heat dissipation box 6 through a damping piece 5, a supporting bottom plate 11 is arranged at the top of the explosion-proof shell 1, baffles 16 are movably arranged at two sides of the supporting bottom plate 11, a supporting upright post 10 is fixedly arranged at the center of the top of the supporting bottom plate 11, and the two groups of baffles 16 are abutted against mushroom heads at the top of the supporting upright post 10.
Preferably, the supporting heat dissipation box 6 is fixedly connected with the bottom of the inner wall of the explosion-proof shell 1, the same ventilation groove 9 is formed in the bottoms of the supporting heat dissipation box 6, the top and the U-shaped support 4, the two groups of heat dissipation motors 7 are fixedly arranged in the supporting heat dissipation box 6, and heat dissipation blades 8 are fixedly arranged on the output shaft of the heat dissipation motor 7.
The invention also provides a preparation process of the dry-type transformer with the explosion-proof function, which is used for preparing the dry-type transformer with the explosion-proof function, and comprises the following steps:
s1, manufacturing an iron core by adopting a silicon steel sheet and an amorphous mixed material through a special process, so as to reduce loss under the condition of keeping a small volume;
s2, an explosion-proof hoop is additionally arranged on the high-voltage winding and is cast with the high-voltage winding into a whole, so that the explosion-proof effect of splashing of fragments caused by failure height Wen Zhalie of the winding is realized;
s3, adopting an iron core section with an elliptical section and a winding with an elliptical section matched with the iron core in shape, fully utilizing space and achieving the purpose of miniaturization of products;
S4, winding the high-voltage winding of the dry-type transformer main body 2 in a transposition winding mode so as to reduce eddy current of the winding and reduce loss;
S5, the low-voltage winding of the dry type transformer main body 2 adopts a copper foil cylindrical coil, and the copper foil cylindrical coil is vacuum cast, so that the interlayer, turn-to-turn or inter-segment of the winding can be soaked with resin at one time, and after solidification, the resin, the lead and the glass fiber grid are tightly combined together to form a firm rigid body structure;
And S6, hoisting the prepared dry type transformer main body 2 into the explosion-proof shell 1 and protecting the dry type transformer main body by the protection component 3.
The working principle of the technical scheme is that the explosion-proof shell 1 is the shell of the dry type transformer, the main function of the explosion-proof shell is to prevent explosion caused by faults of internal high-voltage components, the safety of surrounding environment and operators is protected, the U-shaped support 4 and the protection component 3 are arranged inside the explosion-proof shell, the dry type transformer main body 2 is supported and protected, meanwhile, structural support and protection effects are provided, and the heat dissipation efficiency of the dry type transformer is effectively improved through the installation of the supporting heat dissipation box 6 and the heat dissipation motor 7. The heat dissipation motor is rotated through driving the heat dissipation blades 8 to strengthen the air flow and dispel the heat effectively, the ventilation groove 9 is provided to help increasing the air circulation, keep the ventilation of heat dissipation case and U type support bottom good, thereby further promote the radiating effect, the structural stability of dry-type transformer has not only been strengthened in the design of supporting baseplate 11 and baffle 16, the maintenance of equipment has still been simplified, the setting of baffle can effectively keep apart and protect interior part, supporting baseplate then provides the basis of fixing and supporting, supporting baseplate's support dynamics has further been strengthened in the fixing of support post 10, ensure that equipment can not be impaired because of the vibration in the operation.
The beneficial effects of the technical scheme are as follows:
1. The safety is improved, the explosion-proof shell and the explosion-proof assembly are adopted, explosion possibly caused by faults of the internal high-voltage components is effectively prevented, and the safety of equipment and personnel is ensured.
2. The heat dissipation efficiency is optimized, namely the heat dissipation box, the heat dissipation motor and the heat dissipation blades are optimally configured, so that the heat dissipation efficiency of the dry-type transformer is effectively improved, and the long-time stable operation of the device is ensured.
3. The structure is stable and convenient to maintain, structural members such as a supporting bottom plate and a baffle plate are introduced, the structural stability of the equipment is enhanced, meanwhile, the maintenance and overhaul of the equipment are simplified, and the maintenance cost and the downtime are reduced.
4. The preparation process is advanced, and special processes such as iron core manufacturing by silicon steel sheet and amorphous mixed material, explosion-proof treatment of high-voltage winding and the like are adopted in the preparation process, so that the manufacturing process level and the product quality of the transformer are improved.
In summary, the embodiment of the dry-type transformer with the explosion-proof function effectively solves the problems of the traditional dry-type transformer in terms of safety, heat dissipation efficiency and maintenance convenience through a plurality of technical innovations and optimal designs, and is suitable for being widely applied to various industrial and commercial environments.
Example 2
On the basis of embodiment 1, referring to fig. 1 and fig. 3-4, two sets of fixing sleeves 14 are symmetrically and fixedly arranged on the outer wall of the explosion-proof housing 1, a first T-shaped rod 15 is connected with the fixing sleeve 14 in a vertically sliding manner, the top of the first T-shaped rod 15 is fixedly connected with the supporting bottom plate 11, a first return spring 13 is sleeved on the outer wall of the first T-shaped rod 15, and two ends of the first return spring 13 are respectively fixedly connected with the supporting bottom plate 11 and the fixing sleeve 14.
Preferably, the U-shaped support column 12 is fixedly arranged at the top of the explosion-proof housing 1, and the U-shaped support column 12 slides through the support bottom plate 11.
Preferably, the baffle 16 is close to one side of the support column 10 and is provided with a first chute 18, a sliding block 17 is connected in the first chute 18 in a sliding manner, a limiting block 27 is fixedly connected with the support column 10, one side of the limiting block 20 close to the limiting block 27 is connected with the limiting block 27 in a sliding manner up and down, the U-shaped part 21 is movably sleeved on the outer wall of the limiting block 20, a clamping block 23 is movably arranged in the limiting block 20, one end of a first connecting rod 19 is movably extended into the limiting block 20 and fixedly connected with the clamping block 23, the other end of the first connecting rod 19 is movably connected with the sliding block 17, the clamping block 23 is connected with the inner wall of the limiting block 20 through a third return spring 26, one end of the clamping rod 22 is fixedly connected with the top of the U-shaped part 21, the other end of the clamping rod 22 is movably extended into the limiting block 20, a clamping groove matched with the clamping rod 22 is formed in the clamping block 23, the top of the second T-shaped rod 25 is movably penetrated through the bottom of the U-shaped part 21 and fixedly connected with the outer wall of the limiting block 20, the second return spring 24 is sleeved on the outer wall of the second T-shaped rod 25, and two ends of the return spring 24 are respectively fixedly connected with the limiting block 20 and the U-shaped part 21.
The working principle of the technical scheme is as follows: in winter, snow is accumulated on the explosion-proof housing 1, the inclined arrangement of the two groups of baffles 16 can release the accumulation speed to a certain extent, the snow is melted into water due to heat generated in the using process of the dry-type transformer main body 2, the snow slowly permeates into the dry-type transformer main body 2 through gaps of the explosion-proof housing 1, so that the dry-type transformer main body 2 is in danger of electric leakage, when the snow on the explosion-proof housing 1 is too thick, the two groups of baffles 16 are pressed to enable the supporting bottom plate 11 to move downwards along the U-shaped support posts 12, and because the fixing sleeve 14 is symmetrically fixed on the outer wall of the explosion-proof housing 1, the T-shaped rod 15 is connected with the fixing sleeve 14 in an up-down sliding manner, the top of the T-shaped rod 15 is fixedly connected with the supporting bottom plate 11, the first return spring 13 is sleeved on the outer wall of the T-shaped rod, at the same time, the first connecting rod 19 drives the stop collar 20 to move downwards along the chute of the stop block 27 until the bottom of the second T-shaped rod 25 is inserted into the U-shaped cavity at the top of the U-shaped support column 12, the U-shaped end of the U-shaped support column 12 is abutted with the bottom of the U-shaped piece 21, so that the whole U-shaped piece 21 is pushed to move upwards along the second T-shaped rod 25 and compress the second return spring 24, at the moment, the clamping rod 22 is driven by the U-shaped piece 21 to be separated from the clamping groove arranged at the top of the clamping block 23, the clamping block 23 is not blocked any more, the first connecting rod 19 is driven by the third return spring 26 to move towards a direction away from the stop block 27, the first connecting rod 19 is further pushed by the sliding block 17 to outwards expand around the end of the supporting bottom plate 11, and as the two groups of the baffle plates 16 move in an arc shape in the outwards expanding process, when the two groups of baffles 16 are fully opened, the snow on the upper ends of the baffles 16 can be completely dumped, meanwhile, the two groups of baffles 16 are not under the pressure of the snow, the supporting bottom plate 11 is reset upwards through the elastic force of the first return spring 13, the clamping rod 22 locks the clamping block 23 again under the elastic force of the second return spring 24, and the two groups of baffles 16 are restored to the original state, so that danger caused by melting of the snow into water is prevented.
The beneficial effects of the technical scheme are as follows:
1. The structure is stable and the movement is controlled by introducing the design of the fixed sleeve and the T-shaped rod, so that the position and the movement of the supporting bottom plate are effectively controlled, and the structural stability and the operation controllability of the equipment are enhanced.
2. The position of the baffle plate and the accurate control of the limiting system are realized by combining the design of the first sliding groove and the sliding block on the baffle plate with a complex limiting system, so that the position of the baffle plate can be accurately controlled and adjusted, and the accurate function of the baffle plate in operation is ensured.
3. The newly added U-shaped support column design not only enhances the connection between the explosion-proof shell and the supporting bottom plate, but also further improves the safety of the equipment by increasing the stability and vibration resistance of the structure.
4. Maintenance and operation convenience, namely, the optimization of the design ensures the stability and the safety of the equipment in operation, simplifies the maintenance and operation processes, and reduces the maintenance cost and the downtime of the equipment.
Example 3
On the basis of any one of the embodiments 1-2, referring to fig. 1 and 5-6, the protection assembly 3 includes an outer protection shell 28 and an inner protection shell 29, the outer protection shell 28 is fixedly connected with the U-shaped bracket 4, the inner protection shell 29 is arranged in the outer protection shell 28, a gap 40 is left between the outer protection shell 28 and the inner protection shell 29, a plurality of groups of buffer members 30 are arranged in left and right gaps 40 between the outer protection shell 28 and the inner protection shell 29, and rubber pads 32 are filled in the front and rear gaps 40 between the outer protection shell 28 and the inner protection shell 29.
Preferably, the installation piece 33 is fixedly connected with the inner wall of the inner protection shell 29, two groups of fixing blocks 34 are symmetrically and fixedly arranged on the front side of the installation piece 33, two ends of a guide rod 35 are respectively and fixedly connected with the two groups of fixing blocks 34, two groups of guide sliding sleeves 36 are movably sleeved on the outer wall of the guide rod 35, the guide sliding sleeves 36 are connected with the fixing blocks 34 through four return springs 37, the four return springs 37 are sleeved on the outer wall of the guide rod 35, one end of a cross rod 38 is respectively and movably connected with the two groups of guide sliding sleeves 36, the other end of the cross rod 38 is movably connected with an arc-shaped supporting piece 31, an air bag ring 39 is fixedly arranged on one side, close to the dry-type transformer main body 2, of the arc-shaped supporting piece 31, and the air bag ring 39 is in butt joint with the dry-type transformer main body 2.
Preferably, the buffer member 30 comprises a first U-shaped rubber member 41 and a second U-shaped rubber member 43, wherein the first U-shaped rubber member 41 is fixedly connected with the inner wall of the outer protective shell 28, the second U-shaped rubber member 43 is fixedly connected with the outer wall of the inner protective shell 29, one side, close to the second U-shaped rubber member 43, of the first U-shaped rubber member 41 movably penetrates into the second U-shaped rubber member 43, the fifth return spring 42 is arranged in the first U-shaped rubber member 41 and the second U-shaped rubber member 43, and two ends of the fifth return spring 42 are fixedly connected with the inner walls of the first U-shaped rubber member 41 and the second U-shaped rubber member 43 respectively.
Preferably, the anchor rod 44 is fixedly connected with the upper and lower inner walls of the outer protective shell 28, the torsion spring 45 is sleeved on the outer wall of the anchor rod 44, and two ends of the torsion spring 45 are fixedly connected with the outer walls of the first U-shaped rubber piece 41 and the second U-shaped rubber piece 43 respectively.
The working principle of the technical scheme is as follows: when the dry-type transformer is installed, three windings of the dry-type transformer main body 2 are respectively hung into the protection component 3 and abutted against the airbag ring 39 in the protection component, as the inner protection shell 29 is positioned inside the outer protection shell 28, a certain vibration buffering and thermal expansion and contraction space can be provided by a gap 40 reserved between the inner protection shell 29 and the outer protection shell, when the device runs, and the outer protection shell 28 and the inner protection shell 29 squeeze a plurality of groups of buffer elements 30 arranged in the gap 40 by transverse force when the device is impacted or swayed, the return spring five 42 is in an extending/shrinking state through relative sliding between the rubber element one 41 and the U-shaped rubber element two 43, elastic support can be provided, external impact and vibration can be absorbed and dispersed, so that the influence of vibration and impact on the dry-type transformer main body can be reduced, the internal structure and the electric elements are protected from the external environment, and because the anchor rod 44 is fixedly connected to the upper and lower inner walls of the outer protective shell 28, the anchor rod 44 is sleeved on the outer wall of the anchor rod 44 through the torsion spring 45, when the first rubber member 41 and the second U-shaped rubber member 43 slide relatively, the torsion spring 45 not only can help reduce the interference of external vibration to equipment, but also can disperse the lateral pressure between the first rubber member 41 and the second U-shaped rubber member 43, thereby being beneficial to enhancing the stability and structural strength of the outer protective shell 28, while the longitudinal force can make the cross rod 38 rotate mutually, the two groups of guide sliding sleeves 36 are driven to reciprocate along the guide rod 35, so that the return spring four 37 is in a stretching/shrinking state, the overall stability and structural strength of the protective assembly are enhanced, the stability and the operation controllability of the guide system are ensured, and because the air bag ring 39 is fixed on one side of the arc-shaped supporting member 31, which is close to the dry-type transformer main body 2, the dry type transformer is abutted against the dry type transformer main body 2, so that the dry type transformer has buffering and protecting functions, and particularly has protecting functions when impact or vibration occurs during the running of equipment.
The beneficial effects of the technical scheme are as follows:
1. And the vibration and impact are absorbed and relieved, so that the damage risk caused by the vibration and impact in the running process of the equipment is effectively reduced, and the electric components and structural components in the dry-type transformer are protected through the arrangement of the buffer piece and the rubber pad.
2. The safety and stability are improved by introducing complex protection component designs including buffer parts, air bag rings, cross bars, arc-shaped supporting parts and the like, so that the operation safety and the structural stability of the equipment under adverse environmental conditions are enhanced.
3. The operation and maintenance convenience is that the optimized installation block and guide system design ensures that the installation, adjustment and maintenance of equipment are more convenient and efficient, and the complexity and time cost of maintenance work are reduced.
In summary, by designing and optimizing the structure and the function of the protection component, the overall level and reliability of the dry-type transformer with the explosion-proof function in terms of safety, stability and operation performance are further improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211907164U (en) * | 2020-04-13 | 2020-11-10 | 刘广洲 | Novel shockproof heat radiation structure of dry-type transformer |
| CN212114505U (en) * | 2020-06-26 | 2020-12-08 | 张东喜 | Transformer substation safety maintenance device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10247604A (en) * | 1997-03-04 | 1998-09-14 | Toshiba Corp | Transformer with wheels |
| US9424975B2 (en) * | 2013-08-23 | 2016-08-23 | Veris Industries, Llc | Split core transformer with self-aligning cores |
| CN212990869U (en) * | 2020-10-20 | 2021-04-16 | 湖南三力特变电器有限公司 | Fireproof and explosion-proof dry-type transformer structure |
| CN218676655U (en) * | 2022-10-27 | 2023-03-21 | 江苏常明电力设备有限公司 | Double-layer protection safety type box transformer |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211907164U (en) * | 2020-04-13 | 2020-11-10 | 刘广洲 | Novel shockproof heat radiation structure of dry-type transformer |
| CN212114505U (en) * | 2020-06-26 | 2020-12-08 | 张东喜 | Transformer substation safety maintenance device |
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