CN107025981B - A kind of power transformer automatic spray heat sink and spraying cooling method - Google Patents
A kind of power transformer automatic spray heat sink and spraying cooling method Download PDFInfo
- Publication number
- CN107025981B CN107025981B CN201710451900.1A CN201710451900A CN107025981B CN 107025981 B CN107025981 B CN 107025981B CN 201710451900 A CN201710451900 A CN 201710451900A CN 107025981 B CN107025981 B CN 107025981B
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- temperature
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- wind turbine
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water 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
- H01F27/40—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
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of power transformer automatic spray heat sinks, including mounting bracket, running water pipe, multiple sparge pipes, flow sensor, electronic valve, controller, multiple wind turbines, multiple frequency converters and multiple temperature sensors.The power transformer automatic spray heat sink and spraying cooling method of the present invention can adjust wind speed and sparge pipe flow, and then change cooling mode according to the temperature of transformer, be to advocate peace based on blowing with spray.Only when temperature is higher just directly by the surface of water spray to transformer, when temperature is relatively low, mainly by spraying water and drying in the gap of transformer, transformer is cooled down by cooling air indirectly, reduction sprays transformer for a long time, to reduce the influence to transformer service life.
Description
Technical field
The invention belongs to transformer substation assisted devices technical fields, and in particular to a kind of power transformer is cooled down with automatic spray
Device and spraying cooling method.
Background technology
Currently, with the continuous development of power industry, more and more substations are built.What substation usually selected matches
Piezoelectric transformer is oil-immersed transformer.Influenced by summer high temperature weather, load mostly with air-conditioning, electric fan etc. cooling electric appliance based on,
Load fluctuation is larger, and the load impact that main transformer is born is also bigger, temperature rise it is very fast, then occur main transformer because Wen Sheng compared with
High and burnout failure, the type of cooling of oil-immersed transformer are to force oily circulating air cooling, cooling oil passes through and external cooler
Cooperation is in heat transfer to air.This type of cooling summer power load is big, under continuous high temperature environment it is difficult to ensure that becoming
The operating of depressor safety and stability, the hot method of auxiliary fan that load can only be currently reduced by power cuts to limit consumption, increases transformer, such as：
Transformer water spray places the physics auxiliary temperature-reducing effective ways such as ice cube, although good cooling-down effect can be played, when long
Between so that transformer is contacted with water, be easy influence transformer service life.
Invention content
The purpose of the present invention is to provide a kind of power transformer automatic spray heat sink and spraying cooling method, with
It is reduced while fast cooling and the service life of transformer is had an impact.
To achieve the above object, the present invention provides the following technical solutions：
A kind of power transformer automatic spray heat sink, including mounting bracket, running water pipe, multiple sparge pipes, flow
Sensor, electronic valve, controller, multiple wind turbines, multiple frequency converters and multiple temperature sensors；
Wind turbine is mounted on mounting bracket, the gap setting of two adjacent transformers of wind turbine face, the shaft of each wind turbine
It is coaxially connected with centrifugal pan；Frequency converter and wind turbine are arranged in a one-to-one correspondence and are electrically connected to control the rotating speed of wind turbine, frequency converter with
Controller is electrically connected；
Running water pipe is for being connected to water supply network；Sparge pipe is connect with running water pipe, and sparge pipe is a pair of with centrifugal pan one
It should be arranged, the water outlet of sparge pipe is arranged close to the inner surface of centrifugal pan, and inner surface is the flabellum of the close wind turbine of centrifugal pan
Surface；
Flow sensor is installed on running water pipe and is electrically connected with controller, and flow sensor can detect running water pipe
Flow simultaneously sends flow signal；
Electronic valve is installed on running water pipe, and electronic valve is electrically connected with controller；
Temperature sensor is used to detect the temperature of transformer, and temperature sensor is electrically connected with controller and can be to controller
Send temperature signal；
Controller can receive the flow from flow sensor and the temperature signal from temperature sensor, controller can
Speed controling signal is sent to frequency converter and controls signal to electronic valve transmitted traffic, to be controlled according to the temperature of transformer
The flow of rotation speed of fan and sparge pipe.
Preferably, multiple sparge pipes are arranged along the length direction interval of running water pipe, and multiple wind turbines are also along running water pipe
Length direction interval is arranged；The diameter of sparge pipe is less than the diameter of running water pipe.
Preferably, centrifugal pan is circular conical surface in cone, the close surface with the water outlet of sparge pipe of centrifugal pan.
Preferably, the radial edges of centrifugal pan are provided with circumferentially spaced multiple water conservancy diversion fog water contents, water conservancy diversion atomization
Slot is by circular conical surface gradually recessed formation.
Preferably, temperature sensor is non-contact temperature sensor.
A kind of spraying cooling method using above-mentioned power transformer automatic spray heat sink, including：
The temperature of transformer is detected by temperature sensor, temperature sensor sends temperature signal to controller；
The flow of running water pipe is detected by flow sensor, flow sensor is to controller transmitted traffic signal；
Controller can receive the flow from flow sensor and the temperature signal from temperature sensor, and controller will
Compared with preset temperature, controller according to comparison result sends speed controling signal to frequency converter and to electronic valve temperature signal
Transmitted traffic controls signal, to control the flow of rotation speed of fan and sparge pipe according to the temperature of transformer.
Preferably, when the temperature value that temperature sensor detects is less than preset value, controller sends first to frequency converter
Speed controling signal, so that wind turbine is run according to the first rotating speed, while controller sends first flow to electronic valve and controls signal,
So that sparge pipe is run according to first flow；
When the temperature value detected when temperature sensor is more than preset value, controller sends the second rotating speed control to frequency converter
Signal processed, so that wind turbine is run according to the second rotating speed, while controller sends second flow to electronic valve and controls signal, so that spray
Water pipe is run according to second flow；
First rotating speed is more than the second rotating speed, and first flow is less than the second rotating speed.
Beneficial effects of the present invention：
The power transformer automatic spray heat sink and spraying cooling method of the present invention, can be according to the temperature of transformer
Degree adjusts wind speed and sparge pipe flow, and then changes cooling mode, is to advocate peace based on blowing with spray.Only temperature compared with
Gao Shicai is directly by the surface of water spray to transformer, when temperature is relatively low, mainly by spraying water simultaneously in the gap of transformer
Blowing cools down transformer indirectly by cooling air, and reduction sprays transformer for a long time, is used transformer with reducing
The influence in service life.
Description of the drawings
Fig. 1 is the schematic diagram of the power transformer automatic spray heat sink of the present invention；
Fig. 2 is the schematic diagram when power transformer automatic spray heat sink of the present invention uses；
Fig. 3 is the schematic diagram of the centrifugal pan of the power transformer automatic spray heat sink of the present invention；
Fig. 4 is the sectional view of the centrifugal pan of the power transformer automatic spray heat sink of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- Fig. 4 is please referred to Fig.1, the present invention provides a kind of technical solution：
A kind of power transformer automatic spray heat sink, including mounting bracket 1, running water pipe 2, multiple sparge pipes 3, stream
Quantity sensor 4, electronic valve 5, controller 6, multiple wind turbines 7, multiple frequency converters 8 and multiple temperature sensors 9；
Wind turbine 7 is mounted on mounting bracket 1, the gap setting of two adjacent transformers 10 of 7 face of wind turbine, each wind turbine 7
Shaft 71 be coaxially connected with centrifugal pan 11；Frequency converter 8 is arranged in a one-to-one correspondence and is electrically connected to control wind turbine 7 with wind turbine 7
Rotating speed, frequency converter 8 are electrically connected with controller 6；
Running water pipe 2 is for being connected to water supply network；Sparge pipe 3 is connect with running water pipe 2, sparge pipe 3 and centrifugal pan 11
It is arranged in a one-to-one correspondence, the water outlet 31 of sparge pipe 3 is arranged close to the inner surface of centrifugal pan 11, and inner surface is the close of centrifugal pan 11
The surface of the flabellum 72 of wind turbine 7；
Flow sensor 4 is installed on running water pipe 2 and is electrically connected with controller 6, and flow sensor 4 can detect tap water
The flow of pipe 2 simultaneously sends flow signal；
Electronic valve 5 is installed on running water pipe 2, and electronic valve 5 is electrically connected with controller 6；
Temperature sensor 9 is used to detect the temperature of transformer 10, and temperature sensor 9 is electrically connected with controller 6 and can be to
Controller 6 sends temperature signal；
Controller 6 can receive the flow from flow sensor 4 and the temperature signal from temperature sensor 9, control
Device 6 can send speed controling signal to frequency converter 8 and control signal to 5 transmitted traffic of electronic valve, with according to transformer 10
Temperature controls the flow of wind turbine 7 rotating speed and sparge pipe 3.
In order to allow this power transformer preferably to be worked with automatic spray heat sink, in the present embodiment, it is preferred that
Multiple sparge pipes 3 are arranged along the length direction interval of running water pipe 2, and multiple wind turbines 7 are also along the length direction interval of running water pipe 2
Setting；The diameter of sparge pipe 3 is less than the diameter of running water pipe 2.
In order to allow this power transformer preferably to be worked with automatic spray heat sink, in the present embodiment, it is preferred that
Centrifugal pan 11 is circular conical surface 112 in cone, the close surface with the water outlet 31 of sparge pipe 3 of centrifugal pan 11.
In order to allow this power transformer preferably to be worked with automatic spray heat sink, in the present embodiment, it is preferred that
The radial edges 111 of centrifugal pan 11 are provided with circumferentially spaced multiple water conservancy diversion fog water contents 113, water conservancy diversion fog water content 113 by
The gradually recessed formation of circular conical surface 112.Water conservancy diversion fog water content 113 can increase atomizing effect.The bottom surface 114 of water conservancy diversion fog water content 113 with
Circular conical surface 112 seamlessly transits.
In order to allow this power transformer preferably to be worked with automatic spray heat sink, in the present embodiment, it is preferred that
Temperature sensor 9 is non-contact temperature sensor 9.
A kind of spraying cooling method using above-mentioned power transformer automatic spray heat sink, including：
The temperature of transformer 10 is detected by temperature sensor 9, temperature sensor 9 sends temperature signal to controller 6；
The flow of running water pipe 2 is detected by flow sensor 4, flow sensor 4 is to 6 transmitted traffic signal of controller；
Controller 6 can receive the flow from flow sensor 4 and the temperature signal from temperature sensor 9, control
Device 6 by temperature signal compared with preset temperature, controller 6 according to comparison result to frequency converter 8 send speed controling signal and
Signal is controlled to 5 transmitted traffic of electronic valve, to control the flow of wind turbine 7 rotating speed and sparge pipe 3 according to the temperature of transformer 10.
Transformer 10 is influenced in order to allow this spraying cooling method preferably to be cooled down on transformer 10 and reduce
Service life, in the present embodiment, it is preferred that when the temperature value that temperature sensor 9 detects is less than preset value, controller 6 is to change
Frequency device 8 sends the first speed controling signal, so that wind turbine 7 is run according to the first rotating speed, while controller 6 is sent to electronic valve 5
First flow controls signal, so that sparge pipe 3 is run according to first flow；
When the temperature value detected when temperature sensor 9 is more than preset value, controller 6 sends second turn to frequency converter 8
Speed control signal, so that wind turbine 7 is run according to the second rotating speed, while controller 6 sends second flow control letter to electronic valve 5
Number, so that sparge pipe 3 is run according to second flow；
First rotating speed is more than the second rotating speed, and first flow is less than the second rotating speed.
The operation principle and process for using of the present invention：The power transformer automatic spray heat sink of the present invention uses
The centrifugal action of centrifugal pan 11 makes water atomization and scatter, recycle wind turbine 7 make water mist flow in the gap of transformer 10 into
Row cooling.The present invention will spray and wind turbine 7 combines, and the range of scatter of water mist radially is by 7 rotating speed of wind turbine and water spray
The influence of 3 flow of pipe.Due to being provided with wind turbine 7, the range of water mist radial diffusion and the rotating speed of centrifugal pan 11 are not positive correlation, and
It is according to the diameter of centrifugal pan 11, the result of the comprehensive influence such as 7 blade of angle of inclination and wind turbine.But these influence because
Element is all smaller, and main or sparge pipe 3 flow, flow is small, then water mist is few, and water mist can quickly be gasified, so cannot be after
It is continuous radially to spread.When temperature is higher, increase flow, while 7 rotating speed of wind turbine is smaller, the water fog particle of formation is larger, radial
Diffusion farther out, and is easier to touch the surface of transformer 10 in the form of liquid water, carries out fast cooling.Temperature compared with
When low, at high speed, a small amount of water is atomized in tiny particle water, is absorbed heat in air substantially and is gasified, almost
Water is not had and touches transformation, simultaneously as there is cold air to be flowed through from the gap of transformer 10, cooling is also very good.
Power transformer of the present invention automatic spray heat sink and spraying cooling method, can be according to the temperature of transformer 10
Degree adjusts wind speed and 3 flow of sparge pipe, and then changes cooling mode, is to advocate peace based on blowing with spray.Only temperature compared with
Gao Shicai is directly by water spray to the surface of transformer 10, when temperature is relatively low, mainly by being sprayed in the gap of transformer 10
Water is simultaneously dried, and transformer 10 is cooled down indirectly by cooling air, and reduction sprays transformer 10 for a long time, to reduce to becoming
The influence of 10 service life of depressor.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of power transformer automatic spray heat sink, which is characterized in that including mounting bracket（1）, running water pipe（2）、
Multiple sparge pipes（3）, flow sensor（4）, electronic valve（5）, controller（6）, multiple wind turbines（7）, multiple frequency converters（8）With it is more
A temperature sensor（9）；
Wind turbine（7）It is mounted on mounting bracket（1）, wind turbine（7）Two adjacent transformers of face（10）Gap setting, Mei Gefeng
Machine（7）Shaft（71）It is coaxially connected with centrifugal pan（11）；Frequency converter（8）With wind turbine（7）It is arranged in a one-to-one correspondence and is electrically connected
To control wind turbine（7）Rotating speed, frequency converter（8）With controller（6）It is electrically connected；
Running water pipe（2）For being connected to water supply network；Sparge pipe（3）With running water pipe（2）Connection, sparge pipe（3）With centrifugation
Disk（11）It is arranged in a one-to-one correspondence, sparge pipe（3）Water outlet（31）Close to centrifugal pan（11）Inner surface setting, inner surface be from
Cartridge（11）Close wind turbine（7）Flabellum（72）Surface；
Flow sensor（4）It is installed on running water pipe（2）And and controller（6）It is electrically connected, flow sensor（4）It can detect certainly
Carry out water pipe（2）Flow and send flow signal；
Electronic valve（5）It is installed on running water pipe（2）, electronic valve（5）With controller（6）It is electrically connected；
Temperature sensor（9）For detecting transformer（10）Temperature, temperature sensor（9）With controller（6）It is electrically connected simultaneously
It can be to controller（6）Send temperature signal；
Controller（6）It can receive and come from flow sensor（4）Flow and come from temperature sensor（9）Temperature signal, control
Device processed（6）It can be to frequency converter（8）Send speed controling signal and to electronic valve（5）Transmitted traffic controls signal, with according to change
Depressor（10）Temperature control wind turbine（7）Rotating speed and sparge pipe（3）Flow.
2. a kind of power transformer automatic spray heat sink according to claim 1, it is characterised in that：Multiple water sprays
Pipe（3）Along running water pipe（2）Length direction interval setting, multiple wind turbines（7）Also along running water pipe（2）Length direction interval
Setting；Sparge pipe（3）Diameter be less than running water pipe（2）Diameter.
3. a kind of power transformer automatic spray heat sink according to claim 2, it is characterised in that：Centrifugal pan
（11）In cone, centrifugal pan（11）Close and sparge pipe（3）Water outlet（31）Surface be circular conical surface（112）.
4. a kind of power transformer automatic spray heat sink according to claim 3, it is characterised in that：Centrifugal pan
（11）Radial edges（111）It is provided with circumferentially spaced multiple water conservancy diversion fog water contents（113）, water conservancy diversion fog water content（113）
By circular conical surface（112）Gradual recessed formation.
5. a kind of power transformer automatic spray heat sink according to claim 4, it is characterised in that：Temperature sensing
Device（9）For non-contact temperature sensor（9）.
6. a kind of using according to spraying cooling side of the claim 1-5 any power transformers described in automatic spray heat sink
Method, it is characterised in that：
Pass through temperature sensor（9）Detect transformer（10）Temperature, temperature sensor（9）To controller（6）Send temperature letter
Number；
Pass through flow sensor（4）Detect running water pipe（2）Flow, flow sensor（4）To controller（6）Transmitted traffic is believed
Number；
Controller（6）It can receive and come from flow sensor（4）Flow and come from temperature sensor（9）Temperature signal, control
Device processed（6）By temperature signal compared with preset temperature, controller（6）According to comparison result to frequency converter（8）Send rotating speed control
Signal and to electronic valve（5）Transmitted traffic controls signal, with according to transformer（10）Temperature control wind turbine（7）Rotating speed and
Sparge pipe（3）Flow.
7. spraying cooling method according to claim 6, it is characterised in that：Work as temperature sensor（9）The temperature detected
When value is less than preset value, controller（6）To frequency converter（8）The first speed controling signal is sent, so that wind turbine（7）According to first turn
Speed operation, while controller（6）To electronic valve（5）It sends first flow and controls signal, so that sparge pipe（3）According to first flow
Operation；
Work as temperature sensor（9）When the temperature value detected is more than preset value, controller（6）To frequency converter（8）Send second turn
Speed control signal, so that wind turbine（7）It is run according to the second rotating speed, while controller（6）To electronic valve（5）Send second flow control
Signal processed, so that sparge pipe（3）It is run according to second flow；
First rotating speed is more than the second rotating speed, and first flow is less than second flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451900.1A CN107025981B (en) | 2017-06-15 | 2017-06-15 | A kind of power transformer automatic spray heat sink and spraying cooling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710451900.1A CN107025981B (en) | 2017-06-15 | 2017-06-15 | A kind of power transformer automatic spray heat sink and spraying cooling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107025981A CN107025981A (en) | 2017-08-08 |
| CN107025981B true CN107025981B (en) | 2018-10-16 |
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| CN201710451900.1A Expired - Fee Related CN107025981B (en) | 2017-06-15 | 2017-06-15 | A kind of power transformer automatic spray heat sink and spraying cooling method |
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| CN107403682A (en) * | 2017-09-20 | 2017-11-28 | 国网河南省电力公司原阳县供电公司 | A kind of transformer cooling device |
| CN107833730B (en) * | 2017-10-31 | 2019-08-30 | 国网河南省电力公司邓州市供电公司 | A kind of ground transformer spraying cooling system and method |
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| CN108053976A (en) * | 2018-01-24 | 2018-05-18 | 湖州同立光电材料有限公司 | A kind of transformer |
| CN108917421B (en) * | 2018-08-07 | 2023-12-01 | 德州贝泰制冷设备有限公司 | Water-saving environment-friendly cooling tower |
| CN112133531A (en) * | 2020-09-22 | 2020-12-25 | 广东电网有限责任公司东莞供电局 | Heat dissipation device applied to transformer and heat dissipation method thereof |
| CN114068149A (en) * | 2021-11-25 | 2022-02-18 | 国网湖南省电力有限公司 | Cooling device and cooling control method for pole-mounted distribution transformer |
| CN114816014B (en) * | 2022-06-01 | 2024-02-02 | 兰洋(宁波)科技有限公司 | Self-adaptive multi-mode cooling system |
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| CN207009223U (en) * | 2017-06-15 | 2018-02-13 | 国网山东省电力公司龙口市供电公司 | A kind of power transformer automatic spray heat sink |
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| TW377527B (en) * | 1996-07-05 | 1999-12-21 | Hitachi Ltd | Cooling system of power transformer |
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| CN205004131U (en) * | 2015-09-08 | 2016-01-27 | 大唐华银株洲发电有限公司 | A novel transformer cooling device for electric power field |
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| Publication number | Publication date |
|---|---|
| CN107025981A (en) | 2017-08-08 |
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