CN114121431B - Automatic spraying device capable of improving heat dissipation efficiency of main transformer through water cooling - Google Patents

Automatic spraying device capable of improving heat dissipation efficiency of main transformer through water cooling Download PDF

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Publication number
CN114121431B
CN114121431B CN202111453067.7A CN202111453067A CN114121431B CN 114121431 B CN114121431 B CN 114121431B CN 202111453067 A CN202111453067 A CN 202111453067A CN 114121431 B CN114121431 B CN 114121431B
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China
Prior art keywords
liquid
temperature sensor
main transformer
heat dissipation
spraying device
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Application number
CN202111453067.7A
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Chinese (zh)
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CN114121431A (en
Inventor
赵留义
宁雪峰
范勇
吴超平
芦大伟
程天宇
陈文睿
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Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN202111453067.7A priority Critical patent/CN114121431B/en
Publication of CN114121431A publication Critical patent/CN114121431A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/16—Water cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • 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
    • H01F27/22—Cooling by heat conduction through solid or powdered fillings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/406—Temperature sensor or protection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The automatic spraying device comprises a vertical plate, a spraying mechanism, a temperature sensor, a power switch, a temperature monitoring mechanism and a backwater mechanism, wherein the bottom of the vertical plate is provided with the spraying mechanism, the top end of the vertical plate is provided with the temperature sensor, one side of the temperature sensor is provided with the power switch, the temperature sensor is provided with the temperature monitoring mechanism, and the backwater mechanism is arranged below the spraying mechanism; the spraying mechanism comprises a square shunt tube and a liquid inlet, wherein a plurality of brackets are arranged at the bottom end of the square shunt tube, a plurality of spray heads are arranged at the bottom of the square shunt tube, and the square shunt tube is connected with an infusion pump through an infusion tube.

Description

Automatic spraying device capable of improving heat dissipation efficiency of main transformer through water cooling
Technical Field
The invention relates to a spray device, in particular to an automatic spray device capable of improving heat dissipation efficiency of a main transformer through water cooling.
Background
The operation temperature of the main transformer has a critical influence on the service life of the main transformer, if the transformer is operated at a high temperature for a long time, the service life of an internal insulating paperboard can be shortened, the insulating paperboard becomes brittle, cracks are easy to occur, the due insulating effect is lost, and accidents such as breakdown and the like are caused; the insulation of the winding is seriously aged, and the degradation of the insulating oil is accelerated, so that the service life is influenced. Therefore, the high temperature can be avoided as much as possible, the operation is practically impossible, and the time is not too long. The current main transformer cooling modes mainly comprise the following steps: 1. oil-immersed self-cooling (ONAN); 2. oil immersed air cooling (ONAF); 3. forced oil circulation air cooling (OFAF); 4. forced oil circulation water cooling (OFWF); 5. forced pilot oil circulation air cooling (ODAF); 6. forced pilot oil circulation water cooling (ODWF), however, the cooling effect of these six cooling modes is not very ideal.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the automatic spraying device for improving the heat dissipation efficiency of the main transformer by water cooling, and the problems in the technical background are effectively solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the invention comprises a vertical plate, a spraying mechanism, a temperature sensor, a power switch, a temperature monitoring mechanism and a backwater mechanism, wherein the bottom of the vertical plate is provided with the spraying mechanism;
the spraying mechanism comprises a square shunt tube, a bracket, a spray head, an infusion tube, an infusion pump, a liquid storage tank, a liquid adding port and a liquid inlet, wherein the bottom end of the square shunt tube is provided with a plurality of brackets, the bottom of the square shunt tube is provided with a plurality of spray heads, the square shunt tube is connected with the infusion pump through the infusion tube, the bottom end of the infusion pump is provided with the liquid storage tank, one side of the square shunt tube is provided with the liquid inlet, and the infusion tube is connected with the liquid inlet;
the backwater mechanism includes liquid collecting bucket, installation ear, mounting hole, filter mechanism and drainage cover, and the liquid collecting bucket is installed in the below of square shunt tubes, and the edge of liquid collecting bucket is provided with a plurality of installation ear, and the mounting hole has been seted up at the middle part of installation ear, and filter mechanism is installed on the top of liquid collecting bucket, and the bottom of liquid collecting bucket is provided with the drainage cover, and the bottom of drainage cover is provided with the liquid return pipe, and the one end and the liquid storage tank top of liquid return pipe are connected, and the liquid storage tank is installed in the below of liquid return pipe.
According to the technical scheme: one side at the top of the liquid storage tank is provided with a liquid filling opening, and a ventilation sealing cover is arranged on the liquid filling opening.
According to the technical scheme: the temperature monitoring mechanism comprises a PLC controller, a display screen, a wire and a temperature sensor, wherein the PLC controller is embedded into the temperature sensor, the display screen is embedded into the surface of the temperature sensor, and the PLC controller is connected with the temperature sensor through the wire.
According to the technical scheme: the temperature sensor is arranged at the position of heat dissipation oil of the main transformer.
According to the technical scheme: the temperature sensor is electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the display screen and the infusion pump respectively.
According to the technical scheme: the filtering mechanism comprises a filtering frame, fixing bolts, a filter screen and bolt holes, wherein the filtering frame is arranged on the liquid collecting hopper through the fixing bolts, the filter screen is arranged on the inner side of the filtering frame, and the bolt holes are formed in the positions, corresponding to the fixing bolts, of the filtering frame and the liquid collecting hopper.
The beneficial effects are that: when the liquid-collecting device is used, the square shunt tube is installed on the top of the main transformer through the support, the spray heads on the square shunt tube correspond to the surface of the main transformer and the top of the radiating fins of the main transformer, the liquid collecting hopper is installed below the main transformer, the liquid storage tank is installed below the liquid collecting hopper, the temperature sensor is used for collecting the cooling oil temperature of the main transformer, the collected temperature signal is transmitted to the input end of the PLC controller, after the analysis and the treatment of the PLC controller, if the oil temperature signal is larger than the pre-input value of the PLC controller, the output end of the PLC controller transmits the processed signal to the display screen and the infusion pump, the temperature value is displayed through the display screen, the liquid infusion pump works to pump the cooling liquid in the liquid storage tank to be conveyed to the square shunt tube through the infusion tube, the spray heads at the bottom end of the square shunt tube, and the sprayed cooling liquid can flow down the surface of the main transformer and the radiating fins of the main transformer.
The invention has novel structure and ingenious conception, does not change the existing cooling mode of the main transformer, improves the main transformer on the basis of the existing cooling mode, takes away heat by flowing the cooling liquid on the surface of the main transformer and the surface of the radiating fins of the main transformer, greatly improves the cooling efficiency of the main transformer and is beneficial to use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the square shunt of the present invention;
FIG. 3 is a schematic view of the liquid inlet arrangement structure of the present invention;
FIG. 4 is a top view of the liquid collection hopper of the present invention;
FIG. 5 is a schematic view of the bolt hole opening structure of the present invention;
FIG. 6 is a top view of the filter mechanism of the present invention;
reference numerals in the drawings: 1. a riser; 2. a spraying mechanism; 21. square shunt tubes; 22. a bracket; 23. a spray head; 24. an infusion tube; 25. an infusion pump; 26. a liquid storage tank; 27. a liquid adding port; 28. a liquid inlet; 3. a temperature sensor; 4. a power switch; 5. a temperature monitoring mechanism; 51. a PLC controller; 52. a display screen; 53. a wire; 54. a temperature sensor; 6. a water return mechanism; 61. a liquid collecting hopper; 62. a mounting ear; 63. a mounting hole; 64. a filtering mechanism; 641. a filter frame; 642. a fixing bolt; 643. a filter screen; 644. bolt holes; 65. a drainage cover; 66. and a liquid return pipe.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to FIGS. 1-6.
1-6, the invention provides an automatic spraying device for improving heat dissipation efficiency of a main transformer by water cooling, which comprises a vertical plate 1, a spraying mechanism 2, a temperature sensor 3, a power switch 4, a temperature monitoring mechanism 5 and a water return mechanism 6, wherein the bottom of the vertical plate 1 is provided with the spraying mechanism 2, the top end of the vertical plate 1 is provided with the temperature sensor 3, one side of the temperature sensor 3 is provided with the power switch 4, the temperature sensor 3 is provided with the temperature monitoring mechanism 5, and the lower part of the spraying mechanism 2 is provided with the water return mechanism 6;
the spraying mechanism 2 comprises a square shunt tube 21, a support 22, spray heads 23, an infusion tube 24, an infusion pump 25, a liquid storage tank 26, a liquid filling port 27 and a liquid inlet 28, wherein the bottom end of the square shunt tube 21 is provided with a plurality of supports 22, the bottom of the square shunt tube 21 is provided with a plurality of spray heads 23, the square shunt tube 21 is connected with the infusion pump 25 through the infusion tube 24, the bottom end of the infusion pump 25 is provided with the liquid storage tank 26, one side of the square shunt tube 21 is provided with the liquid inlet 28, and the infusion tube 24 is connected with the liquid inlet 28;
the backwater mechanism 6 includes liquid collecting bucket 61, mounting ear 62, mounting hole 63, filtering mechanism 64 and drainage cover 65, and liquid collecting bucket 61 installs in square shunt tubes 21's below, and the edge of liquid collecting bucket 61 is provided with a plurality of mounting ear 62, and mounting hole 63 has been seted up at the middle part of mounting ear 62, and filtering mechanism 64 is installed on the top of liquid collecting bucket 61, and the bottom of liquid collecting bucket 61 is provided with drainage cover 65, and drainage cover 65's bottom is provided with back liquid pipe 66, and back liquid pipe 66's one end is connected with the liquid reserve tank 26 top, and liquid reserve tank 26 installs in back liquid pipe 66's below.
The specific use is as follows: when the invention is used, the square shunt tube 21 is arranged at the top of the main transformer through the support 22, the spray heads 23 on the square shunt tube 21 correspond to the surface of the main transformer and the top of the radiating fins of the main transformer, the liquid collecting hopper 61 is arranged below the main transformer, the liquid collecting tank 26 is arranged below the liquid collecting hopper 61, the temperature sensor 54 is used for collecting the cooling oil temperature of the main transformer, the collected temperature signals are transmitted to the input end of the PLC 51, after the analysis and treatment by the PLC 51, if the oil temperature signals are larger than the pre-input value of the PLC 51, the processed signals are transmitted to the display screen 52 and the infusion pump 25 through the display screen 52, the infusion pump 25 works to pump the cooling liquid in the liquid collecting tank 26 to the square shunt tube 21 through the spray heads 23 at the bottom end of the shunt tube 21, the cooling liquid can be sprayed on the surface of the main transformer and the radiating fins of the main transformer through the square shunt tube 21, the cooling liquid sprayed on the surface of the main transformer is guaranteed to be convenient to enter the filter screen 61 after the cooling liquid is sprayed on the surface of the main transformer or the filter screen 61, and the cooling liquid is prevented from flowing back into the filter screen 61 through the filter screen 61 when the cooling liquid is sprayed on the top of the main transformer, and the filter screen 61 is prevented from flowing back into the filter tank 61, and the filter medium is prevented from flowing into the filter tank 61.
The beneficial effects are that: the invention has novel structure and ingenious conception, does not change the existing cooling mode of the main transformer, improves the main transformer on the basis of the existing cooling mode, takes away heat by flowing the cooling liquid on the surface of the main transformer and the surface of the radiating fins of the main transformer, greatly improves the cooling efficiency of the main transformer and is beneficial to use.
Example two
In the first embodiment, the liquid storage tank 26 is inconvenient to be filled, referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a liquid filling opening 27 is arranged on one side of the top of the liquid storage tank 26, and a ventilation sealing cover is arranged on the liquid filling opening 27, so that the liquid storage tank 26 is convenient to be filled with cooling liquid.
Example III
Referring to fig. 1, in the first embodiment, the main transformer temperature monitoring is inconvenient, and as another preferred embodiment, the difference between the first embodiment and the second embodiment is that the temperature monitoring mechanism 5 includes a PLC controller 51, a display screen 52, a wire 53 and a temperature sensor 54, the PLC controller 51 is embedded in the temperature sensor 3, the display screen 52 is embedded in the surface of the temperature sensor 3, the PLC controller 51 is connected with the temperature sensor 54 through the wire 53, the main transformer cooling oil temperature is collected through the installed temperature sensor 54, the collected temperature signal is transmitted to the input end of the PLC controller 51, and after the analysis and the treatment by the PLC controller 51, the output end of the PLC controller 51 transmits the processed signal to the display screen 52 and the infusion pump 25.
Example IV
In the third embodiment, the main transformer heat dissipation oil is inconvenient to collect, and as another preferred embodiment, the difference from the third embodiment is that the temperature sensor 54 is installed at the position of the main transformer heat dissipation oil, so that the main transformer heat dissipation oil is convenient to collect a temperature signal.
Example five
In the third embodiment, the signal is inconvenient to control, and as another preferred embodiment, the difference from the third embodiment is that the temperature sensor 54 is electrically connected to the input end of the PLC controller 51, and the output end of the PLC controller 51 is electrically connected to the display screen 52 and the infusion pump 25, respectively, so as to facilitate signal transmission and control.
Example six
In the first embodiment, the filtering mechanism 64 includes a filtering frame 641, a fixing bolt 642, a filtering screen 643 and a bolt hole 644, the filtering frame 641 is mounted on the liquid collecting hopper 61 by the fixing bolt 642, the filtering screen 643 is disposed on the inner side of the filtering frame 641, the bolt hole 644 is disposed on the position of the filtering frame 641 corresponding to the fixing bolt 642 of the liquid collecting hopper 61, when the liquid collecting hopper 61 collects liquid, the liquid entering from the top of the liquid collecting hopper 61 is filtered by the filtering screen 643 mounted in the filtering frame 641, and the foreign matters or dirt in the liquid after heat absorption is prevented from entering the liquid collecting hopper 61.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a water-cooling improves automatic spraying device of main transformer radiating efficiency, includes riser (1), its characterized in that: the water-return type water-spraying device is characterized by further comprising a spraying mechanism (2), a temperature sensor (3), a power switch (4), a temperature monitoring mechanism (5) and a water-return mechanism (6), wherein the bottom of the vertical plate (1) is provided with the spraying mechanism (2), the temperature sensor (3) is arranged at the top end of the vertical plate (1), the power switch (4) is arranged at one side of the temperature sensor (3), the temperature monitoring mechanism (5) is arranged on the temperature sensor (3), and the water-return mechanism (6) is arranged below the spraying mechanism (2);
the spraying mechanism (2) comprises a square shunt tube (21), a support (22), a spray head (23), a transfusion tube (24), a transfusion pump (25), a liquid storage tank (26), a liquid adding port (27) and a liquid inlet (28), wherein the bottom end of the square shunt tube (21) is provided with a plurality of supports (22), the bottom of the square shunt tube (21) is provided with a plurality of spray heads (23), the square shunt tube (21) is connected with the transfusion pump (25) through the transfusion tube (24), the bottom end of the transfusion pump (25) is provided with the liquid storage tank (26), one side of the square shunt tube (21) is provided with the liquid inlet (28), and the transfusion tube (24) is connected with the liquid inlet (28);
the backwater mechanism (6) is including collecting liquid fill (61), mounting ear (62), mounting hole (63), filtering mechanism (64) and drainage cover (65), collecting liquid fill (61) are installed in the below of square shunt tubes (21), the edge of collecting liquid fill (61) is provided with a plurality of mounting ear (62), mounting hole (63) have been seted up at the middle part of mounting ear (62), filtering mechanism (64) are installed on the top of collecting liquid fill (61), the bottom of collecting liquid fill (61) is provided with drainage cover (65), the bottom of drainage cover (65) is provided with feed back pipe (66), the one end and the liquid reserve tank (26) top of feed back pipe (66) are connected, liquid reserve tank (26) are installed in the below of feed back pipe (66).
2. The automatic spraying device for improving the heat dissipation efficiency of the main transformer through water cooling according to claim 1, wherein a liquid filling opening (27) is formed in one side of the top of the liquid storage tank (26), and a ventilation sealing cover is arranged on the liquid filling opening (27).
3. The automatic spraying device for improving heat dissipation efficiency of a main transformer through water cooling according to claim 1, wherein the temperature monitoring mechanism (5) comprises a PLC (programmable logic controller) 51, a display screen 52, a wire 53 and a temperature sensor 54, the PLC (51) is embedded in the temperature sensor 3, the display screen 52 is embedded in the surface of the temperature sensor 3, and the PLC (51) is connected with the temperature sensor 54 through the wire 53.
4. A water-cooled automatic spray device for improving heat dissipation efficiency of main transformer according to claim 3, wherein the temperature sensor (54) is installed at the position of heat dissipation oil of main transformer.
5. The automatic spraying device for improving heat dissipation efficiency of a main transformer by water cooling according to claim 3, wherein the temperature sensor (54) is electrically connected with the input end of the PLC controller (51), and the output end of the PLC controller (51) is electrically connected with the display screen (52) and the infusion pump (25) respectively.
6. The automatic spraying device for improving the heat dissipation efficiency of the main transformer through water cooling according to claim 1, wherein the filtering mechanism (64) comprises a filtering frame (641), fixing bolts (642), a filter screen (643) and bolt holes (644), the filtering frame (641) is installed on the liquid collecting hopper (61) through the fixing bolts (642), the filter screen (643) is arranged on the inner side of the filtering frame (641), and the bolt holes (644) are formed in positions, corresponding to the fixing bolts (642), of the filtering frame (641) and the liquid collecting hopper (61).
CN202111453067.7A 2021-11-30 2021-11-30 Automatic spraying device capable of improving heat dissipation efficiency of main transformer through water cooling Active CN114121431B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111453067.7A CN114121431B (en) 2021-11-30 2021-11-30 Automatic spraying device capable of improving heat dissipation efficiency of main transformer through water cooling

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Application Number Priority Date Filing Date Title
CN202111453067.7A CN114121431B (en) 2021-11-30 2021-11-30 Automatic spraying device capable of improving heat dissipation efficiency of main transformer through water cooling

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CN114121431B true CN114121431B (en) 2023-07-07

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205943674U (en) * 2016-08-26 2017-02-08 江西伊发电力科技股份有限公司 Water -cooling oil -immersed distribution transformer
CN106558397A (en) * 2015-09-24 2017-04-05 严金才 A kind of transformator with chiller and protection mechanism
WO2018072369A1 (en) * 2016-10-17 2018-04-26 广东合一新材料研究院有限公司 Liquid distribution system for direct-contact type cooling cabinet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106558397A (en) * 2015-09-24 2017-04-05 严金才 A kind of transformator with chiller and protection mechanism
CN205943674U (en) * 2016-08-26 2017-02-08 江西伊发电力科技股份有限公司 Water -cooling oil -immersed distribution transformer
WO2018072369A1 (en) * 2016-10-17 2018-04-26 广东合一新材料研究院有限公司 Liquid distribution system for direct-contact type cooling cabinet

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