CN105826045B - Power transformer is met an urgent need heat sink - Google Patents

Power transformer is met an urgent need heat sink Download PDF

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Publication number
CN105826045B
CN105826045B CN201610310513.1A CN201610310513A CN105826045B CN 105826045 B CN105826045 B CN 105826045B CN 201610310513 A CN201610310513 A CN 201610310513A CN 105826045 B CN105826045 B CN 105826045B
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China
Prior art keywords
water
transformer
stainless steel
radiating fin
branch pipe
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CN201610310513.1A
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CN105826045A (en
Inventor
王庆
尤琪
吴知寒
郑元华
盖玉兵
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Changzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Changzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Changzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610310513.1A priority Critical patent/CN105826045B/en
Priority to CN201710723648.5A priority patent/CN107731479A/en
Publication of CN105826045A publication Critical patent/CN105826045A/en
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Publication of CN105826045B publication Critical patent/CN105826045B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/16Water cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/406Temperature sensor or protection

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Spray Control Apparatus (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention provides a kind of power transformer emergent heat sink, including movable base, water tank, electric water pump and electric cabinet, water pipe, sensor group, spray nozzle part water pipe fixture and atomizer;Water tank, electric water pump and electric cabinet are fixedly installed on movable base;Electric cabinet includes housing, the alarm lamp group being arranged on housing and hand control switch, the PLC main control modules and power module being arranged in housing;Water pipe includes hose, stainless steel water-main and stainless steel spray branch pipe;Sensor group includes temperature, pressure, liquid level and air velocity transducer;Spray nozzle part water pipe fixture is used to fix stainless steel spray branch pipe;Atomizer is uniformly arranged 4 to 10 respectively on every stainless steel spray branch pipe.Simple in construction, cost of the invention is relatively low, mobility is good, layings is convenient, can Emergency use and can be on the premise of transformer station high-voltage side bus safety is ensured to the quick effective temperature-reducing of radiating fin of transformer progress when using repeatedly.

Description

Power transformer is met an urgent need heat sink
Technical field
The present invention relates to power transformer emergency service, and in particular to a kind of power transformer is met an urgent need heat sink.
Background technology
Safe operation of the radiating and cooling of power transformer in the process of running to transformer plays an important role.Common Power transformer is mainly oil-filled transformer, its arrange main heat sink part be by sheet fin be connected to form it is many The radiator that group fin is constituted, the blowing that fan is installed using cross-ventilation Temperature fall and in fin bottom accelerates empty The mode of gas circulation cools to fin, and such a mode disclosure satisfy that the service requirement of transformer under normal conditions;So And, transformer lasts high load capacity is transported caused by the nature and its peak of power consumption brought of summer specific time period continuous high temperature In the case of row, oil temperature height enterprise in transformer, original radiating mode can not meet requirement, to ensure that transformer can be transported safely OK, traditional way is to place the methods such as ice cube using the quantity of increase radiator fan, below the fin of transformer to carry out Cooling, although certain cooling-down effect can be played, but cooling extent is small, speed slow, and both dangerous or uneconomical, not reaching should The purpose for the temperature that plunges;Traditional most efficient method is local power cuts to limit consumption reduction transformer load, but in current production, life It is unable to do without the epoch of electricity, power cuts to limit consumption feasible act easily absolutely not.
To solve the problems, such as radiating and cooling of the power transformer in specific time period, at present corresponding auxiliary heat dissipation cooling system or Device common research, most commonly seen is that power transformer is cooled to row auxiliary heat dissipation by the way of Water spray, is such as awarded The Chinese patent literature that power notification number is CN 202678050U, invention and created name is " transformer automatic water cooling device ", i.e., Disclose it is a kind of constitute based on pond, water pump, pipeline, spray equipment and the control device auxiliary temperature-reducing is carried out to transformer Device, it is located at the top of transformer body and radiator, on the premise of having temperature control by the way of by sparge pipe Direct water-spraying control;And for example Authorization Notice No. is CN 204407140U, invention and created name for " a kind of power transformer is cooled down The Chinese patent literature of device ", it discloses a kind of fixed water tank, two-way water pump system, is arranged on above transformer body The dress of the compositions such as the water-cooling piece that the fin physical contact of the shower nozzle and transformer that directly spray passes through circulating water Put;For another example Authorization Notice No. be CN 203165620U, invention and created name be " a kind of radiating fin of transformer water spray system " Chinese patent literature, it discloses it is a kind of by be connected with pond shower, be connected with shower be located at it is straight above fin Connect the device that spraying cooling is carried out to fin;Said apparatus exist common issue be:First, spray head is arranged at transformation The direct Water spray in top of device body and/or fin, easily causes transformer top band point part to occur short circuit so that transformation Device is directly damaged;Second, easily making directly with undressed originally Water spray in the top of transformer body and/or fin Transformer body and/or fin corrosion are obtained, shortens the service life of transformer;Third, being to be fixedly installed on transformer week The servicing unit on side, its in actual applications, transformer peripheral space is often more nervous, set pond it is increasingly difficult;And Transformer generally only hold caused by the nature and its peak of power consumption brought of summer specific time period continuous high temperature by transformer In the case of continuous heavy-duty service, just need to enable auxiliary temperature-reducing facility, the above-mentioned auxiliary dress for being fixedly installed on transformer periphery Increase production cost is put, it is not economical enough.
Authorization Notice No. is CN 203433950U, invention and created name in " power transformer spraying cooling system " State's patent document, its disclosed transformer auxiliary temperature-reducing system, it is contemplated that the water of spray is filtered and softened, to spray Water is atomized, while it is also proposed the scheme that can be arranged on shower nozzle in the middle of fin, it has relative to foregoing three kinds of devices Larger improvement, but it has the problem of exist:First, remaining as the auxiliary for the being fixedly installed on transformer periphery dress with pond Put, cost is higher, it is not economical enough, can only fixed pin to the transformer of a certain determination, it is impossible to emergent be used as motor-driven;Second, The influence using process apoplexy, if being worked on when wind-force reaches to a certain degree, the water sprayed out are not considered(Water smoke)Wind Under be likely to result in transformer top band point part occur short circuit so that transformer is directly damaged;Third, scattered to shower nozzle is arranged on Technical scheme in the middle of backing, though referring to, is disclosed unknown.
The content of the invention
The purpose of the present invention is:A kind of simple in construction, cost of offer is relatively low, mobility is good, laying is convenient, can meet an urgent need repeatedly Using and can be on the premise of transformer station high-voltage side bus safety be ensured to carrying out quick effective temperature-reducing to radiating fin of transformer when using Power transformer meet an urgent need heat sink.
The technical scheme is that:The emergent heat sink of the power transformer of the present invention, it is structurally characterized in that:Including can Mobile foundation, water tank, electric water pump, electric cabinet, water pipe, sensor group, spray nozzle part water pipe fixture and atomizer;
Above-mentioned water tank, electric water pump and electric cabinet is fixedly installed on movable base;
Above-mentioned water tank includes casing, is fixedly installed on the exhaust nozzle of casing upper end, is fixedly installed on casing upper portion side wall On entering water electromagnetic valve, the draining valve being fixedly installed on the wall of lower box side and be arranged in casing water softening filtering dress Put;
The exit of electric water pump is provided with water solenoid valve;
Electric cabinet includes housing, the alarm lamp group being arranged on housing and hand control switch, is arranged in housing PLC main control modules and power module;Alarm lamp group and hand control switch are electrically connected with PLC main control modules;Power supply Module provides working power for electric cabinet;Alarm lamp group includes temperature over-range alarm lamp, wind speed overload alarm and indicated Lamp, pressure limit alarm lamp and high water tank overload alarm indicator lamp;Entering water electromagnetic valve, electric water pump and water outlet electromagnetism Valve is electrically connected with PLC main control modules;
Water pipe includes hose, stainless steel water-main and stainless steel spray branch pipe;Wherein, hose is arranged on into water power Between magnet valve and the water source of using area and between water softening filter and electric water pump;When stainless steel spray branch pipe is used It is each between per 2 adjacent radiating fin of transformer to set 1;Stainless steel spray branch pipe is provided with several perforates;Stainless steel Water-main is arranged between electric water pump delivery port and stainless steel spray branch pipe;Each stainless steel spray branch pipe and stainless steel master are defeated Water pipe is communicated;
Sensor group including the use of when be arranged on radiating fin of transformer be used for detect radiating fin of transformer surface temperature Temperature sensor, be arranged on electric water pump water outlet be used for detect pipeline water smoke pressure pressure sensor, be arranged on water tank Casing in for water level in detection case body liquid level sensor and be arranged on radiating fin of transformer top and be used to detect reality When wind speed air velocity transducer;Each sensor of sensor group is electrically connected with PLC main control modules;
Spray nozzle part water pipe fixture is used to each stainless steel being arranged between adjacent 2 radiating fin of transformer spraying branch pipe Positioning is fixed;Spray nozzle part water pipe fixture is removably secured with adjacent two panels radiating fin of transformer and is connected;Spray nozzle part water The quantity of pipe fixture is identical with the quantity that stainless steel sprays branch pipe;
Atomizer is uniformly arranged 4 to 10 respectively on every stainless steel spray branch pipe;Each atomizer with phase The stainless steel spray branch pipe answered is communicated;Each atomizer is set downwards in the way of horizontal by 45 degree of angles.
Further scheme is:The distance between above-mentioned each atomizer and corresponding radiating fin of transformer are adjacent The 2/3 of distance between 2 atomizers;Height of each atomizer apart from ground is the 2/3 of radiating fin of transformer height;Atomization spray Mouth is provided with the spray orifice that several apertures are 0.25mm;Atomizer sprays 4 μm -15 μm of fine steam droplet during work.
Further scheme is:Above-mentioned movable base include horizontally disposed substrate, be vertically set on substrate and Support on the left of substrate and be arranged on below substrate 4 corners carry the roller for staying only function;Above-mentioned electric cabinet The pedestal upper end of movable base is fixedly installed on by its housing;Water tank 2 is fixedly installed on the base of movable base by its casing The top middle part of plate;Electric water pump is fixedly installed on the right side of the upper end of the substrate of movable base.
Further scheme is:The material of the casing of above-mentioned water tank be stainless steel, volume is 400L, from weight≤ 90Kg。
Further scheme is:Above-mentioned PLC main control modules include PLC and by PLC PLC technologies The relay group of device control;Entering water electromagnetic valve, electric water pump, water solenoid valve respectively pass through corresponding relay in relay group Device is electrically connected with PLC.
Further scheme also has:Above-mentioned PLC main control modules include the automatic start spray built in PLC It is that radiating fin of transformer detection temperature reaches 70 DEG C to drench threshold values;Automatic closing built in PLC sprays threshold values 65 DEG C of radiating fin of transformer detection temperature.
The present invention has positive effect:(1)The present invention power transformer meet an urgent need heat sink, its by by water tank, Electric water pump and Main Control Tank are arranged on movable base, and water inlet pipe has adopted hose so that its mobility strong, are easy to emergent make , can Reusability, strong applicability and compared to existing skill as emergency set with transport and the flexible arrangement of live limited space A set of heat sink used once in a while is fixedly installed in every transformer in art, cost can be greatly lowered, it is good in economic efficiency. (2)The emergent heat sink of the power transformer of the present invention, it passes through each setting 1 between per 2 adjacent radiating fin of transformer Root stainless steel sprays branch pipe;4 to 10 atomizers, each atomizer are uniformly arranged respectively on every stainless steel spray branch pipe Set downwards in the way of horizontal by 45 degree of angles;The distance between each atomizer and corresponding radiating fin of transformer For 2/3 of distance between 2 adjacent atomizers;Height of each atomizer apart from ground is the 2/ of radiating fin of transformer height 3 and atomizer using the design such as nozzle of fine steam droplet for spraying 4 μm -15 μm, on the one hand can effectively prevent water smoke Transformer top band point part is sprayed onto to occur short circuit and damage transformer;On the other hand 4 μ that atomizer sprays during work are caused The fine steam droplet of m -15 μm size rapidly diffuses into the air around radiating fin of transformer and is adsorbed onto radiating fin of transformer Surface on, in absorption air and fin surface heat, become gaseous state from liquid rapidly and take away heat, cooling rate is fast, Effect is good;And can effectively prevent radiating fin of transformer ponding corrosion;Effectively overcome in the prior art that similar device is easily Cause transformer top band point part to occur Damage by Short Circuit transformer and easily cause transformer body and/or fin corrosion Major defect.(3)The emergent heat sink of the power transformer of the present invention, by setting the air velocity transducer being connected with main controller, Consider the factor of wind, it is automatic temporary if the real-time wind speed detected reaches the threshold values of setting in the present apparatus cooling course of work Stop work and make, effectively to prevent from damaging transformer because wind senior general's water smoke is blown to short circuit occurs for transformer top band point part, enter one Step ensures the operation safety of transformer.(4)The emergent heat sink of the power transformer of the present invention, simple in construction, cost is relatively low, section Water is saved.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention, also schematically shows it when in use in radiating fin of transformer in figure Locate arrangement relation;
Fig. 2 is the movable base of one of the component of the present invention and the water tank, the electric water that are arranged on movable base The structural representation of pump and electric cabinet;
Fig. 3 is the schematic diagram of jet head sets arrangement between radiating fin of transformer group of the present invention;
Fig. 4 is operation principle schematic diagram of the invention;
Fig. 5 is electrical principle block diagram of the invention.
Reference in above-mentioned accompanying drawing is as follows:
Movable base 1, substrate 11, support 12, roller 13;
Water tank 2, casing 21, exhaust nozzle 22, entering water electromagnetic valve 23, draining valve 24, water softening filter 25;
Electric water pump 3, water solenoid valve 31;
Electric cabinet 4, housing 41, alarm lamp group 42, hand control switch 43;
Water pipe 5, hose 51, stainless steel water-main 52;Stainless steel sprays branch pipe 53;
Sensor group 6, temperature sensor 61, pressure sensor 62, liquid level sensor 63, air velocity transducer 64;
Spray nozzle part water pipe fixture 7;
Atomizer 8;
Radiating fin of transformer 9.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
(Embodiment 1)
See Fig. 1 to Fig. 5, the emergent heat sink of power transformer of the present embodiment is that transformer radiates for motor-driven arrangement The emergent cooling of piece 9, it is mainly by movable base 1, water tank 2, electric water pump 3, electric cabinet 4, water pipe 5, sensor group 6, nozzle Portion's water pipe fixture 7 and atomizer 8 are constituted.
Referring to Fig. 2, movable base 1 it is main by horizontally disposed substrate 11, be vertically arranged on the substrate 11 and positioned at base The support 12 in the left side of plate 11 and it is arranged on the roller 13 in 4 corners in the lower section of substrate 11 and constitutes;Roller 13 is with only function Roller;When in transit with work, roller 13 is moved using only function is stayed to prevent it;When laying displacement, roller 13 does not make With in only function so that movable base 1 utilizes the easily adjustment position of roller 13.
Referring to Fig. 2 and Fig. 4, water tank 2 is main to be softened by casing 21, exhaust nozzle 22, entering water electromagnetic valve 23, draining valve 24 and water Filter 25 is constituted.
Casing 21 is fixedly installed on the top middle part of the substrate 11 of movable base 1;In the present embodiment, casing 21 Material is preferred to use stainless steel, and volume is 400L, from weight≤90Kg;Exhaust nozzle 22 is arranged on the top of casing 21;Exhaust nozzle 22 pressure being used in balance box 21;Entering water electromagnetic valve 23 is fixedly installed in the upper portion side wall of casing 21, entering water electromagnetic valve 23 are used for being added water and moisturizing in casing 21;Draining valve 24 is fixedly installed in the bottom side of the wall of casing 21, and draining valve 24 is used for Device is vented the remaining water in casing 21 when not in use;Water softening filter 25 is arranged in casing 21, water softening filter 25 are used to carry out the running water in casing 21 to send into electric water pump 3 after filtering and sofening treatment, and the purpose of filtration treatment is to protect The cleanliness factor for the water smoke that card device sprays, is prevented so that radiating fin of transformer 9 gets rusty;Running water carry out sofening treatment purpose be Facilitate electric water pump 3 that running water is carried out into atomization process.
Electric water pump 3 is fixedly installed on the right side of the upper end of the substrate 11 of movable base 1;In the present embodiment, electric water pump 3 It is preferred to use high-pressure type plunger pump, power 1.5KW.The exit of electric water pump 3 is provided with water solenoid valve 31.
Referring to Fig. 2 and Fig. 5, electric cabinet 4 is main by housing 41, the alarm lamp group 42 being arranged on housing 41 and manually Controlling switch 43, the PLC main control modules being arranged in housing 41 and power module composition.
Housing 41 is fixedly installed on the upper end of support 12 of movable base 1;Alarm lamp group 42 includes temperature over-range report Alert indicator lamp, wind speed overload alarm indicator lamp, pressure limit alarm lamp and high water tank overload alarm indicator lamp;Each alarm Indicator lamp is lighted when relevant parameter reaches setting threshold values, for reminding staff to note;Hand control switch 43 is used to fill It is artificial MANUAL CONTROL mode to put by automatic pattern switching.PLC main control modules are main by PLC and can by PLC The relay group of programmable controller control is constituted;Master controller selects PLC programmable controllers, mainly uses it very high The features such as reliability, easily programming mode, good working environment adaptability energy and subminiature volume.Relay group is used for Electric water pump 3, entering water electromagnetic valve 23 and water solenoid valve 31 are accordingly controlled according to the control command of PLC Start and stop;Electric water pump 3, entering water electromagnetic valve 23 and water solenoid valve 31 are respectively electrically connected with PLC main control modules;Report PLC of each alarm lamp of alert indicator lamp group 42 respectively with PLC main control modules is electrically connected;Power module External AC220V civil powers when using, power module Main Control Tank 4 provides working power.In the present embodiment, in PLC The automatic start spray threshold values put is that the detection temperature of radiating fin of transformer 9 reaches 70 DEG C;Activation system, PLC Built-in automatic closing spray threshold values is 65 DEG C of 9 detection temperature of radiating fin of transformer.
Water pipe 5 includes hose 51, stainless steel water-main 52 and stainless steel spray 53 3 kinds of water pipes of branch pipe;With entering water power Water pipe 5 between water pipe 5 and water that magnet valve 23 connects softening filter 25 and electric water pump 3 is hose 51, and this is at two It is that scene is laid when conveniently transporting and use using the purpose of hose;Stainless steel sprays branch pipe 53 per 2 adjacent transformations It is each between device fin 9 to set 1;Stainless steel spray branch pipe 53 is provided with several perforates;Stainless steel water-main 52 is set Between the delivery port of electric water pump 3 and stainless steel spray branch pipe 53;Each stainless steel spray branch pipe 53 and stainless steel water-main 52 Communicate;Why stainless steel water-main 52 and stainless steel spray branch pipe 53 use stainless steel, it is therefore intended that guarantee Bear the high pressure for the water smoke that electric water pump 3 comes out.
Referring to Fig. 4 and Fig. 5, sensor group 6, which mainly includes being arranged on radiating fin of transformer 9, to be used to detect that transformer radiates The temperature sensor 61 of the surface temperature of piece 9, the pressure sensing for being used to detect water smoke pressure for being arranged on the water outlet of electric water pump 3 Device 62, it is arranged in the casing 21 of water tank 2 and is used to detect the liquid level sensor 63 of water level in casing 21 and is arranged on suitable position Put(Such as the top of radiating fin of transformer 9)The upper air velocity transducer 64 for being used to detect real-time wind speed;Each sensor of sensor group 6 is equal Electrically connected with PLC main control modules;
Spray nozzle part water pipe fixture 7 is used to each stainless steel being arranged between adjacent 2 radiating fin of transformer 9 spraying branch Positioning is fixed in pipe 53;The quantity of spray nozzle part water pipe fixture 7 is identical with the quantity that stainless steel sprays branch pipe 53;Spray nozzle part water Pipe fixture 7 is removably secured with adjacent two panels radiating fin of transformer 9 and is connected;In the present embodiment, spray nozzle part water pipe fixture 7 It is preferred to use the screw thread card that two carries rubber.
Atomizer 8 is uniformly arranged 4 to 10 respectively on every stainless steel spray branch pipe 53(In the present embodiment preferably Set 8), each atomizer 8 with corresponding stainless steel spray branch pipe 53 communicate;Each atomizer 8 with horizontal by The mode at 45 degree of angles is set downwards;The distance between each atomizer 8 and corresponding radiating fin of transformer 9 are adjacent 2 The 2/3 of distance between atomizer 8;Height of each atomizer 8 apart from ground is the 2/3 of the height of radiating fin of transformer 9;Atomization spray Mouth 8 is provided with the spray orifice that several apertures are 0.25mm;Atomizer 8 sprays 4 μm -15 μm of fine steam droplet during work. Atomizer 8 is so designed that, on the one hand can effectively prevent water smoke to be sprayed onto transformer top band point part and occur short circuit and damage and become Depressor;On the other hand the fine steam droplet of 4 μm -15 μm sizes that atomizer 8 sprays during work is caused to rapidly diffuse into change Air around depressor fin 9 and be adsorbed onto on the surface of radiating fin of transformer 9, in absorption air and fin surface heat Amount, becomes gaseous state from liquid rapidly, takes away heat to realize the purpose of fast cooling;In addition, compared to directly to transformer Fin 9 is sprayed water, and can effectively prevent the corrosion of radiating fin of transformer 9.
The emergent heat sink of the power transformer of the present embodiment(The aftermentioned abbreviation present apparatus), its course of work is summarized as follows:
When certain power transformer needs emergent cooling, the present apparatus is carried out around the power transformer as previously described Arrangement, connects water supply by hose 51 by the entering water electromagnetic valve 23 of water tank 2, switches on power, the present apparatus starts work nearby Make, when the water level in the casing 21 that liquid level sensor 63 detects water tank 2 reaches setting water level, PLC master control module controls are entered Water solenoid valve 23 is closed, and stops water inlet;In the course of the work, if liquid level sensor 63 detects the water in the casing 21 of water tank 2 When position is less than water level is set, corresponding alarm lamp is lighted, and PLC master control module controls entering water electromagnetic valve 23 opens water inlet once again, So circulation;When temperature sensor 61, which detects the temperature of radiating fin of transformer 9, reaches 70 DEG C of startup threshold values, corresponding police instruction Lamp is lighted, and PLC master control module controls open water solenoid valve 31 and electric water pump 3, and each atomizer 8 sprays 4 μm -15 μm Fine steam droplet is cooled;Until when temperature sensor 61 detects the stopping that the temperature of radiating fin of transformer 9 reaches 65 DEG C During threshold values, PLC master control module controls electric water pump 3 and water solenoid valve 31 are closed successively, and the present apparatus is automatically stopped work;At this In the device cooling course of work, if the real-time wind speed that air velocity transducer 64 is detected reaches the threshold values of PLC main control modules setting, Corresponding alarm lamp is lighted, and PLC master control module controls electric water pump 3 and water solenoid valve 31 are closed successively, and the present apparatus is automatic Work is temporarily ceased, is restarted when the real-time wind speed that air velocity transducer 64 is detected is less than the threshold values that PLC main control modules are set Work, effectively to prevent from damaging transformer because wind senior general's water smoke is blown to short circuit occurs for transformer top band point part;If pressure When the water smoke pressure that sensor 62 is detected in the water outlet pipeline of electric water pump 3 reaches the threshold values of PLC main control modules setting, phase Alarm lamp is answered to light, PLC main control modules make water smoke pressure reach properly by the power of frequency conversion adjust automatically electric water pump 3 Level, to ensure stainless steel water-main 52, stainless steel spray branch pipe 53 and the trouble free service of atomizer 8.
The present apparatus can also switch to the artificial control operation of hand-held block by hand control switch 43, be switched to manual control During pattern, compulsory mist cooling can be carried out to radiating fin of transformer 9 at any time or its stopping is sprayed.
To sum up, the emergent heat sink of the power transformer of the present embodiment, it is by the way that water tank, electric water pump and Main Control Tank are set Put on movable base, water inlet pipe has adopted hose so that its mobility strong, be easy to Emergency use transport and live finite field The flexible arrangement on ground, can Reusability, strong applicability and compared to solid in every transformer in the prior art as emergency set A set of heat sink used once in a while is set surely, cost can be greatly lowered, it is good in economic efficiency;It passes through per adjacent 2 It is each between radiating fin of transformer to set 1 stainless steel to spray branch pipe;Be uniformly arranged respectively on every stainless steel spray branch pipe 4 to 10 atomizers, each atomizer is set downwards in the way of horizontal by 45 degree of angles;Each atomizer with it is corresponding The distance between radiating fin of transformer be 2/3 of distance between 2 adjacent atomizers;Height of each atomizer apart from ground 2/3 and atomizer for radiating fin of transformer height are spent using nozzle of fine steam droplet for spraying 4 μm -15 μm etc. Design, on the one hand can effectively prevent water smoke to be sprayed onto transformer top band point part and occur short circuit and damage transformer;On the other hand So that the fine steam droplet for 4 μm -15 μm sizes that atomizer sprays is rapidly diffused into around radiating fin of transformer during work Air and be adsorbed onto on the surface of radiating fin of transformer, in absorption air and fin surface heat, rapidly from liquid become Heat is taken away into gaseous state, cooling rate is fast, effect is good;And can effectively prevent radiating fin of transformer ponding corrosion;Effective gram Having taken similar device in the prior art easily causes transformer top band point part to occur Damage by Short Circuit transformer and easily cause Transformer body and/or the major defect of fin corrosion;It is by setting the air velocity transducer being connected with main controller, it is considered to wind Factor, the present apparatus cooling course of work in, if the real-time wind speed detected reaches the threshold values of setting, automatic pause work Make, effectively to prevent from damaging transformer because wind senior general's water smoke is blown to short circuit occurs for transformer top band point part, further protect Hinder the operation safety of transformer;The heat sink moreover, power transformer of the present embodiment is met an urgent need, simple in construction, cost is relatively low, section Water is saved.
Above example is the explanation of the embodiment to the present invention, rather than limitation of the present invention, relevant technology The technical staff in field without departing from the spirit and scope of the present invention, can also make various conversion and change and obtain To corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into the patent protection model of the present invention Enclose.

Claims (6)

  1. The heat sink 1. a kind of power transformer is met an urgent need, it is characterised in that:Including movable base, water tank, electric water pump, automatically controlled Case, water pipe, sensor group, spray nozzle part water pipe fixture and atomizer;
    Described water tank, electric water pump and electric cabinet is fixedly installed on movable base;
    Described water tank includes casing, is fixedly installed on the exhaust nozzle of casing upper end, is fixedly installed in casing upper portion side wall Entering water electromagnetic valve, the draining valve being fixedly installed on the wall of lower box side and the water softening filter being arranged in casing;
    The exit of electric water pump is provided with water solenoid valve;
    Electric cabinet includes housing, the alarm lamp group being arranged on housing and hand control switch, the PLC being arranged in housing Main control module and power module;Alarm lamp group and hand control switch are electrically connected with PLC main control modules;Power module is Electric cabinet provides working power;Alarm lamp group includes temperature over-range alarm lamp, wind speed overload alarm indicator lamp, pressure Overload alarm indicator lamp and high water tank overload alarm indicator lamp;Entering water electromagnetic valve, electric water pump and water solenoid valve with PLC main control modules are electrically connected;
    Water pipe includes hose, stainless steel water-main and stainless steel spray branch pipe;Wherein, hose is arranged on entering water electromagnetic valve Between the water source of using area and between water softening filter and electric water pump;Stainless steel is sprayed when branch pipe is used every It is each between 2 adjacent radiating fin of transformer to set 1;Stainless steel spray branch pipe is provided with several perforates;Stainless steel master is defeated Water pipe is arranged between electric water pump delivery port and stainless steel spray branch pipe;Each stainless steel spray branch pipe and stainless steel water-main Communicate;
    Sensor group including the use of when be arranged on radiating fin of transformer and be used to detect the temperature of radiating fin of transformer surface temperature Sensor, be arranged on electric water pump water outlet be used for detect the pressure sensor of pipeline water smoke pressure, be arranged on the case of water tank In vivo for water level in detection case body liquid level sensor and be arranged on radiating fin of transformer top and be used to detect real-time wind The air velocity transducer of speed;Each sensor of sensor group is electrically connected with PLC main control modules;
    Each stainless steel spray branch pipe that spray nozzle part water pipe fixture is used to be arranged between adjacent 2 radiating fin of transformer is carried out Stationary positioned;Spray nozzle part water pipe fixture is removably secured with adjacent two panels radiating fin of transformer and is connected;Spray nozzle part water pipe is consolidated The quantity for determining part is identical with the quantity that stainless steel sprays branch pipe;
    Atomizer is uniformly arranged 4 to 10 respectively on every stainless steel spray branch pipe;Each atomizer with it is corresponding Stainless steel spray branch pipe is communicated;Each atomizer is set downwards in the way of horizontal by 45 degree of angles.
  2. The heat sink 2. power transformer according to claim 1 is met an urgent need, it is characterised in that:Described each atomizer with The distance between corresponding radiating fin of transformer is 2/3 of distance between 2 adjacent atomizers;Each atomizer is apart from ground Height be radiating fin of transformer height 2/3;Atomizer is provided with the spray orifice that several apertures are 0.25mm;Mist during work Change the fine steam droplet that nozzle sprays 4 μm -15 μm.
  3. The heat sink 3. power transformer according to claim 1 is met an urgent need, it is characterised in that:Described movable base bag Horizontally disposed substrate is included, is vertically set on substrate and is located at the support on the left of substrate and is arranged on 4 angles below substrate Portion carries the roller for staying only function;Described electric cabinet is fixedly installed on the pedestal upper end of movable base by its housing;Water Case 2 is fixedly installed on the top middle part of the substrate of movable base by its casing;Electric water pump is fixedly installed on removable On the right side of the upper end of the substrate of pedestal.
  4. The heat sink 4. power transformer according to claim 1 is met an urgent need, it is characterised in that:The casing of described water tank Material is stainless steel, and volume is 400L, from weight≤90Kg.
  5. The heat sink 5. power transformer according to claim 1 is met an urgent need, it is characterised in that:Described PLC main control modules The relay group controlled including PLC and by PLC;Entering water electromagnetic valve, electric water pump, water outlet Magnetic valve is respectively electrically connected by corresponding relay in relay group with PLC.
  6. The heat sink 6. power transformer according to claim 5 is met an urgent need, it is characterised in that:Described PLC main control modules It is that radiating fin of transformer detection temperature reaches 70 DEG C including the automatic start spray threshold values built in PLC;PLC can Automatic closing spray threshold values built in programmable controller is 65 DEG C of radiating fin of transformer detection temperature.
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Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107120886B (en) * 2017-05-18 2022-09-09 华电电力科学研究院有限公司 Automatic cooling system for thermal power plant and use method thereof
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
CN108010676A (en) * 2017-11-13 2018-05-08 国网山东省电力公司莱州市供电公司 A kind of main transformer physical cooling method
CN108109813A (en) * 2018-01-24 2018-06-01 湖州同立光电材料有限公司 A kind of transformer of good heat dissipation effect
CN108617381B (en) * 2018-04-19 2020-09-25 浙江省农业科学院 Application of mist system in loquat stress-resistant cultivation
CN109698055A (en) * 2019-02-22 2019-04-30 广东电网有限责任公司 Auxiliary temperature-reducing device and transformer
CN109817420B (en) * 2019-04-03 2024-02-06 国网河南省电力公司方城县供电公司 Automatic cooling system of transformer in unmanned substation
CN111430118B (en) * 2020-04-28 2021-03-19 广东电网有限责任公司 Power transformer spraying system
CN112071600B (en) * 2020-09-15 2022-03-15 国网湖北省电力有限公司武汉市新洲区供电公司 Temperature control system for oil inside power supply oil-immersed transformer
CN113488327A (en) * 2021-07-15 2021-10-08 广东电网有限责任公司 Transformer cooling system
CN115533921A (en) * 2022-11-28 2022-12-30 北京汇研中科科技发展有限公司 Synchronous operation control system and method based on power plant energy-saving and efficiency-increasing robot
CN117054766A (en) * 2023-06-29 2023-11-14 陕西汉特智电装备有限责任公司 Defect detection device for power transformer
CN117253708B (en) * 2023-11-20 2024-01-26 无锡金一诺电气有限公司 Cooling type outdoor high-voltage transformer capable of monitoring temperature

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276530A (en) * 1979-09-17 1981-06-30 Electric Power Research Institute, Inc. Vapor-cooled electrical apparatus
JP2001345218A (en) * 2000-06-02 2001-12-14 Ngk Insulators Ltd Cooling method of transformer
CN101866739A (en) * 2009-04-14 2010-10-20 中芯国际集成电路制造(上海)有限公司 Cooling and uprating device of transformer
CN102064003A (en) * 2010-11-18 2011-05-18 河南省电力公司南阳供电公司 System for reducing temperature of main transformer through showering
CN202443826U (en) * 2012-03-06 2012-09-19 禹州市电力工业公司 Cooling device for transformer
CN203433950U (en) * 2013-09-04 2014-02-12 国家电网公司 Power transformer spraying and cooling system
CN103448602B (en) * 2013-09-13 2015-12-30 国家电网公司 Voltage transformer auxiliary temperature-reducing car
CN203427670U (en) * 2013-09-13 2014-02-12 国家电网公司 Auxiliary transformer cooling flatcar
CN203552032U (en) * 2013-10-31 2014-04-16 中国农业大学 Cooling linkage control device of open type dairy cow production system
CN203690053U (en) * 2013-12-30 2014-07-02 国家电网公司 Cooling device applied to large transformer

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