CN113421735A - Oil-immersed transformer case shell - Google Patents
Oil-immersed transformer case shell Download PDFInfo
- Publication number
- CN113421735A CN113421735A CN202011629787.XA CN202011629787A CN113421735A CN 113421735 A CN113421735 A CN 113421735A CN 202011629787 A CN202011629787 A CN 202011629787A CN 113421735 A CN113421735 A CN 113421735A
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- shell
- transformer
- oil
- respectively arranged
- seted
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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
- H01F27/025—Constructional details relating to cooling
-
- 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
- H01F27/002—Arrangements provided on the transformer facilitating its transport
-
- 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
- H01F27/022—Encapsulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses an oil-immersed transformer box shell which comprises a shell, a stepping motor and a compression pump, wherein the shell is provided with a plurality of oil-immersed transformer boxes; a housing: the front end upside is open structure, and the left side wall front end of shell articulates there is the chamber door, the trailing flank of chamber door is provided with the sealing ring, the through-hole has been seted up at the upper surface middle part of shell, and the mounting groove has been seted up to the upper surface left and right sides of shell, two mounting holes have been seted up to the upper surface left side front end of shell, the inside bottom surface middle part of shell is provided with the mount pad, and both ends are seted up flutedly about the upper surface of mount pad, the inside left and right sides face middle part of shell is provided with the backup pad that corresponds each other, adopt the form of backward flow to make the coolant oil flow, and cool off rapidly through the fin when the coolant oil flows to the case shell outside, with the holistic radiating efficiency of assurance transformer, the pneumatic valve that sets up on the case shell simultaneously can keep the stability of transformer case shell internal pressure, thereby stability when guaranteeing the transformer use.
Description
Technical Field
The invention relates to the technical field of oil-immersed transformers, in particular to a case shell of an oil-immersed transformer.
Background
Oil-immersed transformer refers to the radiating distribution transformer of adoption transformer oil, on the contrary be dry-type transformer, oil-immersed transformer attracts the user to choose with unique characteristics always as the indispensable power supply unit among our daily life, but current oil-immersed transformer is when using, and the cooling oil heat dissipation that its case shell inside was filled is comparatively inconvenient, influences the whole heat dispersion of transformer easily, simultaneously because principles such as expend with heat and contract with cold, appear transformer internal pressure unstability easily and influence the use of transformer.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide an oil-immersed transformer box shell, wherein cooling oil flows in a backflow mode, and is rapidly cooled through a cooling fin when the cooling oil flows to the outside of the box shell, so that the overall heat dissipation efficiency of a transformer is ensured, and meanwhile, an air valve arranged at the upper end of the box shell can keep the internal pressure of the transformer box shell stable, so that the stability of the transformer in use is ensured, and the problems in the background art can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: an oil-immersed transformer box shell comprises a shell, a stepping motor and a compression pump;
a housing: the upper side of the front end is of an open structure, the front end of the left side wall of the shell is hinged with a box door, the rear side face of the box door is provided with a sealing ring, the middle part of the upper surface of the shell is provided with a through hole, the left side and the right side of the upper surface of the shell are provided with mounting grooves, the front end of the left side of the upper surface of the shell is provided with two mounting holes, the middle part of the inner bottom surface of the shell is provided with a mounting seat, the left end and the right end of the upper surface of the mounting seat are provided with grooves, the middle parts of the left side face and the right side face of the inner part of the shell are provided with supporting plates which correspond to each other, and the left end and the right end of the rear side face of the shell are provided with drain holes;
a stepping motor: the two stepping motors are respectively arranged in two grooves formed in the upper surface of the mounting seat, and corrugated plates are arranged on the end surfaces of output shafts of the stepping motors;
a compression pump: the two compression pumps are respectively arranged on the left side and the right side of the inner bottom surface of the shell, the liquid outlet ends of the compression pumps are communicated with the liquid inlet ends of the spray heads through connecting pipelines, the two spray heads are respectively arranged in mounting grooves formed in the left side and the right side of the upper surface of the shell, the middle part of the outer ring surface of each connecting pipeline is wrapped by two cooling fins, and the two cooling fins are respectively arranged in the middle parts of the left side surface and the right side surface of the shell;
wherein: the refrigerator door further comprises a control switch group, the control switch group is installed in the middle of the front surface of the refrigerator door, the input end of the control switch group is electrically connected with the output end of an external power supply, and the output end of the control switch group is electrically connected with the input ends of the stepping motor and the compression pump.
Further, still include closing plate and gluey ring, the closing plate is installed inside the through-hole that the upper surface middle part of shell was seted up, and the wire guide has been seted up at the upper surface middle part of closing plate, and the wire guide internally mounted that the upper surface of closing plate was seted up has gluey ring. The leakproofness of equipment can be strengthened to the gluey ring that sets up on the closing plate, and the closing plate is fixed the wire middle part simultaneously, makes things convenient for the staff to dismantle the wire to make things convenient for the staff to maintain the transformer.
Furthermore, the air valve structure further comprises two air valves, wherein the two air valves are arranged inside two mounting holes formed in the front end of the left side of the upper surface of the shell respectively, and the exhaust directions of the two air valves are opposite. The two air valves can keep the stability of the internal pressure of the transformer box shell, so that the working stability of the transformer is ensured, and the purpose of reducing the occurrence probability of accidents is achieved.
Furthermore, the lifting device further comprises four lifting rings, wherein the four lifting rings are arranged at four corners of the upper surface of the shell respectively. The rings that set up can make things convenient for the staff to use outside lifting device to install or remove the transformer to strengthen the practicality and the convenience of transformer.
The rubber plug is provided with two rubber plugs, and the two rubber plugs are respectively arranged in the water discharge holes formed in the left end and the right end of the rear side face of the shell. The rubber plug that sets up can strengthen the whole leakproofness of transformer case shell, and the wash port can make things convenient for the staff to change the inside transformer oil of transformer case shell simultaneously.
Compared with the prior art, the invention has the beneficial effects that: this oil-immersed transformer case shell has following benefit:
1. adopt the form of backward flow to make the cooling oil flow, and cool off rapidly through the fin when the cooling oil flows to the case shell outside to guarantee the holistic radiating efficiency of transformer, the pneumatic valve that the case shell upper end set up simultaneously can keep the stability of transformer case shell internal pressure, thereby stability when guaranteeing the transformer use.
2. The leakproofness of equipment can be strengthened to the gluey ring that sets up on the closing plate, and the closing plate is fixed the wire middle part simultaneously, makes things convenient for the staff to dismantle the wire to make things convenient for the staff to maintain the transformer.
3. The rings that set up can make things convenient for the staff to use outside lifting device to install or remove the transformer to strengthen the practicality and the convenience of transformer.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front cross-sectional view of the present invention.
In the figure: the device comprises a shell 1, a box door 2, a supporting plate 3, a mounting seat 4, a stepping motor 5, corrugated plates 6, a compression pump 7, cooling fins 8, connecting pipelines 9, a spray head 10, a sealing plate 11, a rubber ring 12, an air valve 13, a lifting ring 14, a rubber plug 15 and a control switch group 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an oil-immersed transformer box shell comprises a shell 1, a stepping motor 5 and a compression pump 7;
the shell 1: the upper side of the front end is of an open structure, the front end of the left side wall of the shell 1 is hinged with a box door 2, the rear side surface of the box door 2 is provided with a sealing ring, the middle part of the upper surface of the shell 1 is provided with a through hole, the left side and the right side of the upper surface of the shell 1 are provided with mounting grooves, the front end of the left side of the upper surface of the shell 1 is provided with two mounting holes, the middle part of the inner bottom surface of the shell 1 is provided with a mounting seat 4, the left end and the right end of the upper surface of the mounting seat 4 are provided with grooves, the middle parts of the left side surface and the right side surface of the inner part of the shell 1 are provided with supporting plates 3 corresponding to each other, and the left end and the right end of the rear side surface of the shell 1 are provided with drain holes; the sealing plate is characterized by further comprising a sealing plate 11 and a rubber ring 12, wherein the sealing plate 11 is installed inside a through hole formed in the middle of the upper surface of the shell 1, a wire guide hole is formed in the middle of the upper surface of the sealing plate 11, and the rubber ring 12 is installed inside the wire guide hole formed in the upper surface of the sealing plate 11. The leakproofness of equipment can be strengthened to the gluey ring 12 that sets up in the sealing plate 11 upper end, and sealing plate 11 fixes the wire middle part simultaneously, makes things convenient for the staff to dismantle the wire to make things convenient for the staff to maintain the transformer. The air valve device is characterized by further comprising two air valves 13, wherein the two air valves 13 are arranged on the left side of the upper surface of the shell 1, the two air valves 13 are arranged in two mounting holes formed in the front end of the left side of the upper surface of the shell 1 respectively, and the exhaust directions of the two air valves 13 are opposite. The two air valves 13 can keep the internal pressure of the transformer box shell stable, so that the working stability of the transformer is ensured, and the purpose of reducing the occurrence probability of accidents is achieved. The shell is characterized by further comprising four lifting rings 14, wherein the four lifting rings 14 are arranged, and the four lifting rings 14 are respectively arranged at four corners of the upper surface of the shell 1. The rings 14 that set up can make things convenient for the staff to use outside lifting device to install or remove the transformer to strengthen the practicality and the convenience of transformer. The rubber plug device is characterized by further comprising two rubber plugs 15, wherein the two rubber plugs 15 are respectively arranged in the water discharge holes formed in the left end and the right end of the rear side face of the shell 1. The rubber plug 15 that sets up can strengthen the whole leakproofness of transformer case shell, and the wash port can make things convenient for the staff to change the inside transformer oil of transformer case shell simultaneously.
The stepping motor 5: the number of the stepping motors 5 is two, the two stepping motors 5 are respectively arranged in two grooves formed in the upper surface of the mounting base 4, and corrugated plates 6 are arranged on the end surfaces of output shafts of the stepping motors 5;
the compression pump 7: the two compression pumps 7 are respectively arranged on the left side and the right side of the inner bottom surface of the shell 1, the liquid outlet end of each compression pump 7 is communicated with the liquid inlet end of each spray head 10 through a connecting pipeline 9, the two spray heads 10 are respectively arranged in mounting grooves formed in the left side and the right side of the upper surface of the shell 1, the middle of the outer annular surface of each connecting pipeline 9 is wrapped by a cooling fin 8, the two cooling fins 8 are respectively arranged, and the two cooling fins 8 are respectively arranged in the middle of the left side surface and the right side surface of the shell 1;
wherein: the refrigerator door further comprises a control switch group 16, the control switch group 16 is installed in the middle of the front surface of the refrigerator door 2, the input end of the control switch group 16 is electrically connected with the output end of an external power supply, and the output end of the control switch group 16 is electrically connected with the input ends of the stepping motor 5 and the compression pump 7.
When in use: the transformer case is hoisted to a designated position by using external hoisting equipment through a hoisting ring 14, then a transformer main body is fixed on the upper sides of two supporting plates 3, leads pass through a rubber ring 12 to be butted, a proper amount of transformer oil is injected into the shell 1 through a through hole formed in the upper surface of the shell 1, then a sealing plate 11 is installed, so that the sealing performance of the transformer case is ensured, a stepping motor 5 is turned on through a control switch group 16, the stepping motor 5 drives a corrugated plate 6 to rotate, so that the purposes of higher mixing efficiency and higher flowing speed of the transformer oil in the equipment are achieved, a compression pump 7 extracts the hotter transformer oil, the transformer oil flows in a connecting pipeline 9 and can be rapidly cooled when passing through a radiating fin 8, the cooled transformer oil is sprayed into the transformer case again through a spray head 10, so that the cooling efficiency of the transformer is higher, two pneumatic valves that set up simultaneously can open or close according to inside and outside pressure differential to guarantee the pressure stability of transformer case shell inside.
It should be noted that in this embodiment, the stepping motor 5 is a zibo-auva driven ZYT-type dc motor, the compressor pump 7 is a 25-10 booster pump of shanghai minister pump technology ltd, and the core chip of the control switch group 16 is a PLC single chip microcomputer, specifically, siemens S7-200. The control switch group 16 controls the operation of the stepping motor 5 and the compression pump 7 by a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An oil-immersed transformer case shell which characterized in that: comprises a shell (1), a stepping motor (5) and a compression pump (7);
housing (1): the upper side of the front end is of an open structure, the front end of the left side wall of the shell (1) is hinged with a box door (2), the rear side face of the box door (2) is provided with a sealing ring, the middle part of the upper surface of the shell (1) is provided with a through hole, the left side and the right side of the upper surface of the shell (1) are provided with mounting grooves, the front end of the left side of the upper surface of the shell (1) is provided with two mounting holes, the middle part of the inner bottom face of the shell (1) is provided with a mounting seat (4), the left end and the right end of the upper surface of the mounting seat (4) are provided with grooves, the middle parts of the left side face and the right side face of the inner part of the shell (1) are provided with supporting plates (3) corresponding to each other, and the left end and the right end of the rear side face of the shell (1) are provided with drain holes;
stepping motor (5): the two stepping motors (5) are respectively arranged in two grooves formed in the upper surface of the mounting seat (4), and corrugated plates (6) are arranged on the end surfaces of output shafts of the stepping motors (5);
compression pump (7): the two compression pumps (7) are respectively arranged on the left side and the right side of the inner bottom surface of the shell (1), the liquid outlet ends of the compression pumps (7) are communicated with the liquid inlet ends of the spray heads (10) through connecting pipelines (9), the two spray heads (10) are respectively arranged in mounting grooves formed in the left side and the right side of the upper surface of the shell (1), and the middle of the outer ring surface of each connecting pipeline (9) is wrapped by a cooling fin (8);
wherein: the refrigerator door is characterized by further comprising a control switch group (16), wherein the control switch group (16) is installed in the middle of the front surface of the refrigerator door (2), the input end of the control switch group (16) is electrically connected with the output end of an external power supply, and the output end of the control switch group (16) is electrically connected with the input ends of the stepping motor (5) and the compression pump (7).
2. An oil filled transformer tank as claimed in claim 1 wherein: the sealing device is characterized by further comprising a sealing plate (11) and a rubber ring (12), wherein the sealing plate (11) is installed inside a through hole formed in the middle of the upper surface of the shell (1), and a wire guide hole is formed in the middle of the upper surface of the sealing plate (11).
3. An oil filled transformer tank as claimed in claim 1 wherein: still include pneumatic valve (13), pneumatic valve (13) are provided with two altogether, and two pneumatic valves (13) set up respectively inside two mounting holes that the upper surface left side front end of shell (1) was seted up, and the exhaust direction of two pneumatic valves (13) is opposite.
4. An oil filled transformer tank as claimed in claim 1 wherein: the portable lifting device is characterized by further comprising four lifting rings (14), wherein the four lifting rings (14) are arranged, and the four lifting rings (14) are respectively arranged at four corners of the upper surface of the shell (1).
5. An oil filled transformer tank as claimed in claim 1 wherein: the rubber plug is characterized by further comprising two rubber plugs (15), wherein the two rubber plugs (15) are respectively arranged in the water discharge holes formed in the left end and the right end of the rear side face of the shell (1).
6. An oil filled transformer tank as claimed in claim 2 wherein: and a rubber ring (12) is arranged in a wire guide hole formed in the upper surface of the sealing plate (11).
7. An oil filled transformer tank as claimed in claim 1 wherein: the number of the radiating fins (8) is two, and the two radiating fins (8) are respectively arranged in the middle of the left side surface and the right side surface of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011629787.XA CN113421735A (en) | 2020-12-30 | 2020-12-30 | Oil-immersed transformer case shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011629787.XA CN113421735A (en) | 2020-12-30 | 2020-12-30 | Oil-immersed transformer case shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113421735A true CN113421735A (en) | 2021-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011629787.XA Pending CN113421735A (en) | 2020-12-30 | 2020-12-30 | Oil-immersed transformer case shell |
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| Country | Link |
|---|---|
| CN (1) | CN113421735A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692384A (en) * | 2009-10-18 | 2010-04-07 | 彭伟简 | Forced oil circulation water-cooling radiator |
| CN203366909U (en) * | 2013-05-23 | 2013-12-25 | 云南人民电力电气有限公司 | Oil tank of oil immersed distribution transformer |
| CN203406153U (en) * | 2013-09-03 | 2014-01-22 | 国家电网公司 | Intelligently-controlled transformer |
| CN104200959A (en) * | 2014-09-18 | 2014-12-10 | 桐乡市搏腾贸易有限公司 | Oil immersed transformer |
| CN107845488A (en) * | 2017-12-18 | 2018-03-27 | 余金铭 | A kind of low noise oil immersed power transformer |
| CN108320880A (en) * | 2016-12-02 | 2018-07-24 | 杭州跟策科技有限公司 | If cooling mechanism is detachably connected the transformer of umbrella Telescopic guardrail |
| CN209980928U (en) * | 2019-05-27 | 2020-01-21 | 大唐山西发电有限公司太原第二热电厂 | Safe radiating transformer |
| CN111968833A (en) * | 2020-07-10 | 2020-11-20 | 南通大正电气有限公司 | Air cooling device of oil-immersed transformer |
-
2020
- 2020-12-30 CN CN202011629787.XA patent/CN113421735A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101692384A (en) * | 2009-10-18 | 2010-04-07 | 彭伟简 | Forced oil circulation water-cooling radiator |
| CN203366909U (en) * | 2013-05-23 | 2013-12-25 | 云南人民电力电气有限公司 | Oil tank of oil immersed distribution transformer |
| CN203406153U (en) * | 2013-09-03 | 2014-01-22 | 国家电网公司 | Intelligently-controlled transformer |
| CN104200959A (en) * | 2014-09-18 | 2014-12-10 | 桐乡市搏腾贸易有限公司 | Oil immersed transformer |
| CN108320880A (en) * | 2016-12-02 | 2018-07-24 | 杭州跟策科技有限公司 | If cooling mechanism is detachably connected the transformer of umbrella Telescopic guardrail |
| CN107845488A (en) * | 2017-12-18 | 2018-03-27 | 余金铭 | A kind of low noise oil immersed power transformer |
| CN209980928U (en) * | 2019-05-27 | 2020-01-21 | 大唐山西发电有限公司太原第二热电厂 | Safe radiating transformer |
| CN111968833A (en) * | 2020-07-10 | 2020-11-20 | 南通大正电气有限公司 | Air cooling device of oil-immersed transformer |
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Application publication date: 20210921 |
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| WD01 | Invention patent application deemed withdrawn after publication |