CN109698055A - Auxiliary temperature-reducing device and transformer - Google Patents
Auxiliary temperature-reducing device and transformer Download PDFInfo
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- CN109698055A CN109698055A CN201910132611.4A CN201910132611A CN109698055A CN 109698055 A CN109698055 A CN 109698055A CN 201910132611 A CN201910132611 A CN 201910132611A CN 109698055 A CN109698055 A CN 109698055A
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- transformer
- water pump
- controller
- reducing device
- cooling fin
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- 238000001816 cooling Methods 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000007921 spray Substances 0.000 claims abstract description 60
- 239000003595 mist Substances 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000008399 tap water Substances 0.000 abstract description 6
- 235000020679 tap water Nutrition 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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
- H01F27/22—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
- H01F27/08—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)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention provides a kind of auxiliary temperature-reducing device and transformers, are related to the technical field of power equipment, auxiliary temperature-reducing device for transformer, including spray head, connecting tube, water pump and controller；Tap water is transmitted in connecting tube by water pump, then water mode fog-like is sprayed at the cooling fin of transformer by spray head, pass through cooling fin by the water mist that the suction of the cooling fan of transformer can preferably spray spray head, good heat dissipation effect can be played to transformer, and cleaning action can be played to cooling fin；Alleviate the heavy-duty service that radiating mode existing in the prior art is unable to satisfy transformer, transformer temperature is too high to cause transformer to have the technical issues of stoppage in transit risk, the opening and closing of water pump is controlled by controller, controller can pass through automatic control, or the opening and closing of manual switch control water pump, it can more targetedly cool down for cooling fin, can preferably extend the service life of transformer.
Description
Technical field
The present invention relates to electrical equipment technical fields, more particularly, to a kind of auxiliary temperature-reducing device and transformer.
Background technique
The main loads equipment of substation is transformer, existing many website main transformers close to 80%~90% it is negative
Lotus rate, when transformer is constantly in heavy-duty service state, the temperature of transformer is constantly under the condition of high temperature, will lead to master
The case where transformer temperature excessively high generation alarm, if the more even high oil temperature of the cooling fin of main transformer, will cause 220kV master
Transformer tripping, according to " China Nanfang Grid Co., Ltd's electric power accident incident investigation regulation " power generation security incident
Grading standard, 8 hours unplanned outage 1 hour or more hereinafter, cause Pyatyi event, unplanned outage 8 hours or more 36
Hour or less cause level Four event risk.
Cooling method in the prior art for radiating fin of transformer is mainly carried out by way of increasing ox horn fan
Heat dissipation, but still it is unable to satisfy the higher and higher situation of existing transformer load；Or by the way of suppressing load, still
The mode for reducing load is affected to client, is unfavorable for power supply reliability and economy.
Summary of the invention
The purpose of the present invention is to provide a kind of auxiliary temperature-reducing device and transformers, to alleviate existing in the prior art dissipate
Hot mode is unable to satisfy the heavy-duty service of transformer, and the too high technology for causing transformer to have stoppage in transit risk of transformer temperature is asked
Topic.
The embodiment of the present invention is achieved in that
A kind of auxiliary temperature-reducing device provided by the invention, for transformer, auxiliary temperature-reducing device include: spray head, connecting tube,
Water pump and controller；
The spray head is connect by the connecting tube with the water pump, and the side wall of the connecting tube and the transformer connects
It connects, and the spray head, towards at the cooling fin of the transformer, the cooling fin is provided with relative to the other side of the spray head
Cooling fan, the cooling water mist that the cooling fan can drive the spray head to spray by suction pass through at the cooling fin of transformer；
The controller is electrically connected with the water pump, and the controller is used to control the opening and closing of the water pump.
In preferred embodiments of the present invention, auxiliary temperature-reducing device further includes control cabinet；
The control cabinet includes the first cavity and the second cavity, and first cavity is in be isolated to set with second cavity
It sets, and is provided with waterproof circuit board between first cavity and second cavity, the controller is located at first chamber
In vivo, the water pump is located in second cavity, and the water pump can pass through the waterproof circuit board and the controller
Electrical connection.
In preferred embodiments of the present invention, the length direction of the connecting tube is provided with multiple spray heads, it is more
A spray head is connected to inside the connecting tube, and the spout of multiple spray heads is towards the cooling fin of the transformer
Place.
In preferred embodiments of the present invention, the connecting tube is provided with more, the more connecting tubes with the water
Pump connection.
In preferred embodiments of the present invention, control valve is provided between each connecting tube and the water pump.
In preferred embodiments of the present invention, the quantity that the control cabinet corresponds to the control valve is provided with multiple controls and opens
It closes, the control switch is electrically connected with the control valve.
It further include detection device in preferred embodiments of the present invention；
The controller is electrically connected with the detection device and the control valve respectively；
The detection device is set at the cooling fin of the transformer, for detecting the temperature information of the cooling fin,
And this temperature information is transferred at the controller, the controller is provided with temperature threshold, the corresponding control of the controller
The opening and closing of the water pump and the control valve.
In preferred embodiments of the present invention, insulating layer is coated in the waterproof circuit board.
In preferred embodiments of the present invention, the side positioned at the waterproof circuit board of first cavity is connected with the control
Device, switch button, terminal block and secondary low-voltage route processed, the controller, switch button, terminal block and secondary low-voltage route string
Connection；
Control connecting pin is provided in the waterproof circuit board of second cavity, the water pump is connected by the control
End is connect to be electrically connected with the secondary low-voltage route.
A kind of transformer provided by the invention, transformer are provided with the auxiliary temperature-reducing device.
The beneficial effect of the embodiment of the present invention is:
A kind of auxiliary temperature-reducing device provided by the invention, for transformer, comprising: spray head, connecting tube, water pump and control
Device；Tap water is transmitted in connecting tube by water pump, then the heat dissipation by spray head by water mode fog-like to transformer
It is sprayed at piece, the water mist that can be preferably sprayed spray head by the suction of the cooling fan of transformer is by the outer of cooling fin
Portion can play good heat dissipation effect to transformer, and can play cleaning action to cooling fin；Alleviation is deposited in the prior art
Radiating mode be unable to satisfy the heavy-duty service of transformer, transformer temperature is too high to cause transformer to have stoppage in transit risk
Technical problem, and by the opening and closing of controller control water pump, controller can pass through automatic control or manual switch control
The opening and closing of water pump can more targetedly cool down for cooling fin, can preferably extend the service life of transformer.
Further, auxiliary temperature-reducing device provided by the invention is for forced oil-circulation to be air-cooled and the change of other types of cooling
Depressor can obtain very big improvement to site problems；Auxiliary temperature-reducing device implementation provided by the invention can reduce transformer loss,
Extend the service life of transformer, improves electric power netting safe running level, improve the safety of transformer station high-voltage side bus, it is more practical.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of auxiliary temperature-reducing device provided in an embodiment of the present invention；
Fig. 2 is structural schematic diagram of the auxiliary temperature-reducing device provided in an embodiment of the present invention along the positive apparent direction of cooling fan；
Fig. 3 is structural schematic diagram of the auxiliary temperature-reducing device provided in an embodiment of the present invention along the positive apparent direction of cooling fin；
Fig. 4 is the structural schematic diagram of the control cabinet of auxiliary temperature-reducing device provided in an embodiment of the present invention；
Fig. 5 is the intracorporal cross-section structure signal of the first chamber of control cabinet of auxiliary temperature-reducing device provided in an embodiment of the present invention
Figure；
Fig. 6 is the intracorporal cross-section structure signal of the second chamber of control cabinet of auxiliary temperature-reducing device provided in an embodiment of the present invention
Figure；
Fig. 7 is the external structure schematic diagram of the control cabinet of auxiliary temperature-reducing device provided in an embodiment of the present invention；
Fig. 8 is the integrated circuit structural schematic diagram of auxiliary temperature-reducing device provided in an embodiment of the present invention；
Fig. 9 is the electrical block diagram of the secondary low-voltage route of auxiliary temperature-reducing device provided in an embodiment of the present invention.
Icon: 100- transformer；200- spray head；300- connecting tube；400- water pump；500- controller；600- cooling fin；
700- cooling fan；800- control cabinet；The first cavity of 801-；The second cavity of 802-；900- control valve；110- control switch；120-
Secondary low-voltage route；130- controls connecting pin；140- wireless transport module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It has to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Firstly, it is necessary to it is noted that if it is old in advance will cause 100 oil of transformer when 100 oil temperature of transformer is excessively high
Change, flash-point reduces, generates acetylene influences, lead to main transformer 100 lost of life, generate combustibles so that main transformer 100
The security risks such as fire, tripping.When 100 oil temperature of transformer is high, although ox horn fan can be increased by taking compacting load
Mode radiates, but effect is less desirable, especially the method for reducing load is required to be affected client, Bu Nengti
High power supply reliability and economy；For the type of forced oil-circulation air-cooled transformer 100, the protection definite value of the transformer 100
The high 75 DEG C of+30min of cooler full cut-off+oil temperature are usually set to, that is, are likely to cause the tripping unplanned outage thing of main transformer 100
Part.
In order to meet the use environment of above-mentioned transformer 100, as shown in figs 1-9, a kind of auxiliary drop provided in this embodiment
Warm device, for transformer 100, auxiliary temperature-reducing device include: spray head 200, connecting tube 300, water pump 400 and controller 500；Spray
First 200 are connect by connecting tube 300 with water pump 400, and connecting tube 300 is connect with the side wall of transformer 100, and 200 direction of spray head
At the cooling fin 600 of transformer 100, cooling fin 600 is provided with cooling fan 700, cooling fan relative to the other side of spray head 200
The 700 cooling water mists that spray head 200 can be driven to spray by suction pass through at the cooling fin 600 of transformer 100；Controller 500
It is electrically connected with water pump 400, controller 500 is used to control the opening and closing of water pump 400.
Wherein, connecting tube 300 and the connection type of 100 side wall of transformer can be a variety of, such as: it welds, pass through bolt
Connection is connected by magnet；Preferably, connecting tube 300 and the side wall connection type of transformer 100 are to be fixed on change by magnet
On the side wall of depressor 100；Specifically, connecting tube 300 uses hard pipeline, in the snap ring that is arranged with of connecting tube 300, the one of snap ring
End connect with magnet, connect by snap ring with connecting tube 300, magnet can by magnetic-adsorption on the side wall of transformer 100,
It can guarantee that connecting tube 300 provided in this embodiment can quickly be connect with transformer 100, and existing transformation can be directed to
Device 100 directly carries out attaching connection, more convenient.
Optionally, connecting tube 300 includes hard pipeline and hose；One end of hard pipeline is connect with hose and inside connects
It is logical, and spray head 200 is installed in the other end of hard pipeline, hose has the advantages that facilitate connection, can be by hard hose
It is connected to water pump 400, after external tap water is transmitted to hard pipeline by hose by water pump 400, tap water can pass through spray
First 200 spray water mist, and since cooling fin 600 is set in distance, water mist can enter the interval between cooling fin 600
It is interior, then pass through the wind-force absorption of cooling fan 700, drive water mist constantly to pass through the outside of cooling fin 600, hence for heat dissipation
Piece 600 carries out radiating and cooling processing.
In preferred embodiments of the present invention, connecting tube 300 is provided with more, and more connecting tubes 300 connect with water pump 400
It connects；Wherein, the quantity of connecting tube 300 is more than or equal to the quantity of cooling fin 600 on transformer 100, it is preferable that connecting tube 300
Quantity is equal with the quantity of 100 cooling fin 600 of transformer, so as to be provided with a company in the position of a cooling fin 600
Adapter tube 300 is provided with spray head 200 in each connecting tube 300, and the water mist sprayed by spray head 200 is for cooling fin
600 cool down；If the quantity of connecting tube 300 is greater than the quantity of 100 cooling fin 600 of transformer, guaranteeing each cooling fin
On 600 on the basis of equal at least one connecting tube 300, the quantity of connecting tube 300 can be increased in the position of specific needs, herein
It repeats no more.
Wherein, controller 500 can be a variety of, such as: MCU, computer, PLC controller etc., preferably, controller 500
For MCU.
Micro-control unit (Microcontroller Unit；MCU), also known as one chip microcomputer or single-chip microcontroller are
The frequency of central processing unit and specification are done appropriate reduction, and by memory, counter, USB, A/D conversion, UART, PLC, DMA etc.
Perimeter interface or even LCD driving circuit all integrate the computer for forming chip-scale on a single chip, are different applied fields
Various combination control is done in conjunction.
Specifically, auxiliary temperature-reducing device provided in this embodiment connects water pump 400 and connects when needing opening device
Adapter tube 300 and spray head 200, power on, the control switch 110 of opening controller 500, are made by the control of controller 500
With the effect by water pump 400 of running water pipe is gradually transferred in connecting tube 300, finally by spray by unlatching water pump 400
Water is formed uniform mist by first 200 sprays to 100 cooling fin 600 of transformer, and misty water mist is passed through transformation by cooling fan 700
The cooling fin 600 of device 100 can play good heat dissipation effect to transformer 100, and play cleaning action to cooling fin 600.
Furthermore it is also possible to the path that water pump 400 is transmitted to the connecting tube 300 of spray head 200 is provided with reducing temperature twice equipment,
By first carrying out cooling processing to tap water, then the lower water of temperature is transmitted at spray head 200 and is sprayed；Wherein, reducing temperature twice
Equipment can be set to existing cooling heat exchanger etc., and details are not described herein again.
The beneficial effect of the embodiment of the present invention is:
A kind of auxiliary temperature-reducing device provided in this embodiment, for transformer 100, comprising: spray head 200, connecting tube 300,
Water pump 400 and controller 500；Tap water is transmitted in connecting tube 300 by water pump 400, is then in by water by spray head 200
Misty mode, can be with by the suction of the cooling fan 700 of transformer 100 to spraying at the cooling fin 600 of transformer 100
The water mist that preferably spray head 200 is sprayed passes through the outside of cooling fin 600, can play good heat dissipation effect to transformer 100,
And cleaning action can be played to cooling fin 600；Alleviate radiating mode existing in the prior art and is unable to satisfy transformer 100
Heavy-duty service, 100 temperature of transformer is too high to cause transformer 100 to have the technical issues of stoppage in transit risk, and passes through control
Device 500 processed controls the opening and closing of water pump 400, and controller 500 can be by automatically controlling or manual switch control water pump 400
Opening and closing, can more targetedly cool down for cooling fin 600, can preferably extend the service life of transformer 100.
Auxiliary temperature-reducing device provided in this embodiment is right for forced oil-circulation to be air-cooled and the transformer of other types of cooling
Site problems can obtain very big improvement；Auxiliary temperature-reducing device implementation provided in this embodiment can reduce the loss of transformer 100, prolong
The service life of long transformer 100 improves electric power netting safe running level, improves the safety of the operation of transformer 100, more in fact
With.
It on the basis of the above embodiments, further, further include control cabinet 800 in preferred embodiments of the present invention；
Control cabinet 800 includes the first cavity 801 and the second cavity 802, and the first cavity 801 and the second cavity 802 are in that setting is isolated, and the
Waterproof circuit board is provided between one cavity 801 and the second cavity 802, controller 500 is located in the first cavity 801, water pump 400
In the second cavity 802, and water pump 400 can be electrically connected by waterproof circuit board with controller 500.
Optionally, protection shell of the control cabinet 800 as a metal, inside by isolation board be divided into two it is independent
The first cavity 801 and the second cavity 802, thereby may be ensured that the equipment of live part and the equipment of water flowing part are set in being isolated
It sets, prevents the corrosion of vapor, influence the use of other electric appliances such as circuit board.
Control cabinet 800 can offer the first cabinet door and the second cabinet door in the first cavity 801 and the second cavity 802 respectively,
So as to preferably carry out the installation and follow-up maintenance processing of equipment in the first cavity 801 and the second cavity 802.
Universal wheel or other MOVING STRUCTUREs, the convenient shifting for control cabinet 800 has can be set in the bottom of control cabinet 800
Dynamic and transport.
In preferred embodiments of the present invention, the length direction of connecting tube 300 is provided with multiple spray heads 200, it is multiple
Spray head 200 is connected to inside connecting tube 300, and the spout of multiple spray heads 200 is towards at the cooling fin 600 of transformer 100.
The connection type of spray head 200 and connecting tube 300 can be a variety of, such as: it welds, be threadedly coupled, pass through ring flange
Connection etc., it is preferable that spray head 200 is to be threadedly coupled with the connection type of connecting tube 300；By will lead between multiple spray heads 200
Cross connecting tube 300 connection, and each spray head 200 direction be it is identical, be directed towards at the cooling fin 600 of transformer 100,
By the effect of multiple spray heads 200, greater area of can cool down for cooling fin 600；Optionally, the number of spray head 200
Amount is corresponding with the quantity of cooling fan 700 at cooling fin 600, thereby may be ensured that the corresponding cooling fan of a spray head 200
700。
In preferred embodiments of the present invention, control valve 900 is provided between each connecting tube 300 and water pump 400.
Control valve 900 can be hand control valve 900 or solenoid valve, it is preferable that control valve 900 is set as solenoid valve,
The control of solenoid valve can be set there are many control mode, such as: as shown in fig. 7, in preferred embodiments of the present invention,
The quantity of the corresponding control valve 900 of control cabinet 800 is provided with multiple control switches 110, and control switch 110 is electrically connected with control valve 900
It connects.
Specifically, by taking control valve 900 and connecting tube 300 are provided with 6 as an example, the outside of control cabinet 800 is provided with one
It is 800 total power button SB1 of control cabinet, a 400 battery main switch SB2 of water pump, a water outlet main valve switch button SB3, multiple
Electromagnetic valve switch button (SB4-9) connects connecting tube 300 when needing opening device, opens power switch button SB1, presses
Lower 400 battery main switch button SB2 of constant voltage water pump, presses water outlet total valve switch button SB3, water by by running water pipe into
Water pipe enters water pump 400, then arrives solenoid valve, passes through the control of the switch button SB4 to switch button SB9 to each electromagnetic valve
System, makes water enter hose, then reach the hard pipeline on 100 cabinet of transformer, and then water will be formed under the action of spray head 200
Uniform mist sprays to 100 cooling fin 600 of transformer.
As shown in figure 8, for another example: further including detection device in preferred embodiments of the present invention；Controller 500 respectively with
Detection device and control valve 900 are electrically connected；Detection device is set at the cooling fin 600 of transformer 100, for detecting cooling fin
600 temperature information, and this temperature information is transferred at controller 500, controller 500 is provided with temperature threshold, controller
The opening and closing of 500 corresponding control water pumps 400 and control valve 900.
Preferably, detection device can be temperature sensor, by being arranged temperature sensor at cooling fin 600, and
And real time temperature detection is carried out for the cooling fin 600, preset temperature threshold before temperature of cooling fin 600 is higher than at this
When, controller 500 can correspond to control this at solenoid valve unlatching, thus by spray head 200 for the cooling fin 600 at this into
The processing of row spray cooling.
Optionally, detection device is provided with multiple, and a detection device is provided on each cooling fin 600；
And detection device can be electrically connected by wireless transport module 140 with controller 500.
In preferred embodiments of the present invention, insulating layer is coated in waterproof circuit board；Preferably, in waterproof circuit board position
The position of second cavity 802 is provided with insulating layer, can prevent the water pump 400 inside the second cavity 802 from entering to the first chamber
Body 801.
There are many insulating layer can be set, such as: insulated paint, insulating cement or coatings etc..
As Figure 8-9, in preferred embodiments of the present invention, positioned at the side of the waterproof circuit board of the first cavity 801
Be connected with controller 500, switch button, terminal block and secondary low-voltage route 120, controller 500, switch button, terminal block and
Secondary low-voltage route 120 is connected；Control connecting pin 130, water pump 400 are provided in the waterproof circuit board of the second cavity 802
It is electrically connected by control connecting pin 130 with secondary low-voltage route 120.
Wherein, controller 500 is electrically connected respectively at switch button, terminal block and secondary low-voltage route 120, passes through route
The opening and closing of each corresponding device of switch control；Moreover, water pump 400 is provided with multiple corresponding control connecting pins with solenoid valve
130, it can be attached by way of insertion；And water-proofing treatment is passed through in each control connecting pin 130.
The auxiliary temperature-reducing device provided in the present embodiment, installation convenience, constant pressure water spray, in safely controllable range, to scattered
Backing 600 carries out water-spraying control, carries out effective temperature-reducing to 100 ontology of transformer, after tested, main transformer pressure when September load boom period
When 100 temperature of device is up to 71 DEG C, after investment auxiliary temperature-reducing device provided in this embodiment 1 hour, 100 temperature of main transformer is reduced to
Main transformer temperature is reduced to 56 DEG C after 62 DEG C, 2 hours, and effect is fairly obvious；In the present embodiment, be suitable for forced oil-circulation it is air-cooled and its
The transformer 100 of his type of cooling can obtain very big improvement to site problems.The project implementation can reduce transformer 100
Loss extends the service life of transformer 100, and it is horizontal to improve electric power netting safe running.
Further, in terms of load control system, if 1 100 capacity 240000kVA of main transformer, operating load reach
90%, and main transformer 100 then loses ten thousand kW=4.8 of electricity 20%*24, ten thousand kW since high temperature needs are controlled 70%, if 3
Controlling load then reaches 14.4 ten thousand kW simultaneously, loses 14.4 ten thousand kWh of power supply volume per hour, and 0.64 yuan of the electricity charge/degree are total about to lose
9.2 ten thousand yuan, 730,000 yuan of losses are avoided that within one day if by load boom period 8 hours；If high temperature causes main transformer 100 to trip,
The main transformer for being 240000kVA by a capacity then loses 21.6 ten thousand kW, therefore, by the present embodiment in 90% power supply volume
The cooling method of body can avoid 21.6 ten thousand kW load loss in controllable situation.
By installing auxiliary temperature-reducing device provided in this embodiment, main transformer pressure can be effectively relieved for main transformer 100
When 100 oil temperature of device is high and the type of cooling can not meet the practical problem of status, effectively reduce main transformer 100 because of high temperature, again
It carries and takes the case where reducing loading effects power supply reliability generation, greatly improve the safety of the operation of transformer 100.Meanwhile
The service manual for formulating the device by the study of the control system to auxiliary temperature-reducing device provided in this embodiment, uses, people
The manipulative ability and operation skill of member gets a promotion；Power supply reliability is effectively increased, reduces client and is averaged power off time, mention
Customer satisfaction is risen, avoids that electricity safety production event occurs, is suitable for promoting the use of, it is more practical.
A kind of transformer provided in this embodiment, including above-mentioned auxiliary temperature-reducing device；Due to change provided in this embodiment
The technical effect of depressor is identical as the technical effect of auxiliary temperature-reducing device provided by the above embodiment, and details are not described herein again.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of auxiliary temperature-reducing device, for transformer, which is characterized in that the auxiliary temperature-reducing device includes: spray head, connection
Pipe, water pump and controller；
The spray head is connect by the connecting tube with the water pump, and the connecting tube is connect with the side wall of the transformer, and
For the spray head towards at the cooling fin of the transformer, the cooling fin is provided with cooling relative to the other side of the spray head
Fan, the cooling water mist that the cooling fan can drive the spray head to spray by suction pass through at the cooling fin of transformer；
The controller is electrically connected with the water pump, and the controller is used to control the opening and closing of the water pump.
2. auxiliary temperature-reducing device according to claim 1, which is characterized in that the auxiliary temperature-reducing device further includes control
Case；
The control cabinet includes the first cavity and the second cavity, first cavity and second cavity be in setting is isolated, and
Waterproof circuit board is provided between first cavity and second cavity, the controller is located in first cavity,
The water pump is located in second cavity, and the water pump can be electrically connected by the waterproof circuit board and the controller
It connects.
3. auxiliary temperature-reducing device according to claim 2, which is characterized in that be arranged along the length direction of the connecting tube
There are multiple spray heads, multiple spray heads are connected to inside the connecting tube, and the equal direction of spout of multiple spray heads
At the cooling fin of the transformer.
4. auxiliary temperature-reducing device according to claim 3, which is characterized in that the connecting tube is provided with more, more institutes
Connecting tube is stated to connect with the water pump.
5. auxiliary temperature-reducing device according to claim 4, which is characterized in that between each connecting tube and the water pump
It is provided with control valve.
6. auxiliary temperature-reducing device according to claim 5, which is characterized in that the control cabinet corresponds to the number of the control valve
Amount is provided with multiple control switches, and the control switch is electrically connected with the control valve.
7. auxiliary temperature-reducing device according to claim 5, which is characterized in that further include detection device；
The controller is electrically connected with the detection device and the control valve respectively；
The detection device is set at the cooling fin of the transformer, for detecting the temperature information of the cooling fin, and will
This temperature information is transferred at the controller, and the controller is provided with temperature threshold, and the controller corresponds to described in control
The opening and closing of water pump and the control valve.
8. auxiliary temperature-reducing device according to claim 2, which is characterized in that be coated with insulation in the waterproof circuit board
Layer.
9. auxiliary temperature-reducing device according to claim 2, which is characterized in that positioned at the waterproof circuit board of first cavity
Side be connected with the controller, switch button, terminal block and secondary low-voltage route, the controller, switch button, terminal
Row and the series connection of secondary low-voltage route；
Control connecting pin is provided in the waterproof circuit board of second cavity, the water pump passes through the control connecting pin
It is electrically connected with the secondary low-voltage route.
10. a kind of transformer, which is characterized in that be arranged on the transformer just like the described in any item auxiliary of claim 1-9
Cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132611.4A CN109698055A (en) | 2019-02-22 | 2019-02-22 | Auxiliary temperature-reducing device and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132611.4A CN109698055A (en) | 2019-02-22 | 2019-02-22 | Auxiliary temperature-reducing device and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109698055A true CN109698055A (en) | 2019-04-30 |
Family
ID=66233562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132611.4A Pending CN109698055A (en) | 2019-02-22 | 2019-02-22 | Auxiliary temperature-reducing device and transformer |
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| CN (1) | CN109698055A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466625A (en) * | 2020-11-02 | 2021-03-09 | 国网山东省电力公司聊城供电公司 | Oil-immersed transformer and automatic cooling device thereof |
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| CN112466625A (en) * | 2020-11-02 | 2021-03-09 | 国网山东省电力公司聊城供电公司 | Oil-immersed transformer and automatic cooling device thereof |
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