CN103982969B - Transformer station's thermostat - Google Patents

Transformer station's thermostat Download PDF

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Publication number
CN103982969B
CN103982969B CN201410235422.7A CN201410235422A CN103982969B CN 103982969 B CN103982969 B CN 103982969B CN 201410235422 A CN201410235422 A CN 201410235422A CN 103982969 B CN103982969 B CN 103982969B
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water
heat exchange
transformer
temperature
exchange mechanism
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CN103982969A (en
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苏伟
陈明兰
刘智勇
梁杰
霍艳萍
雷龙
林辉
张郝
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Guangzhou electric power design institute
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Guangzhou electric power design institute
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Abstract

A kind of transformer station thermostat, the heat produced when the transformer in transformer chamber runs is dispersed into indoor, and indoor air temperature raises; High-temperature gas enters heat exchange mechanism; Heat exchange mechanism is using water at low temperature as cold-producing medium, and the heat of release is partially absorbed by water at low temperature, becomes cryogenic gas; Cryogenic gas discharges heat exchange mechanism, and contact transformer surface, carry out forced-convection heat transfer on transformer surface, cryogenic gas absorbs the heat that transformer distributes again and becomes high-temperature gas, and enters into heat exchange mechanism cooling, so circulates; High-temperature water is become after the water at low temperature absorption heat of heat exchange mechanism, pressurizeed by water pump and enter into magnetism servo-electric motor water-cooling through pipeline, high-temperature water becomes water at low temperature through the effect heat extraction of magnetism servo-electric motor water-cooling, and water at low temperature flows to heat exchange mechanism through pipeline and again becomes cold-producing medium, so circulates; Whole process is not subject to the impact of wind direction and ambient temperature, can reach main transformer indoor radiating efficient, comprehensive, and keep the effect of temperature constant in transformer chamber.

Description

Transformer station's thermostat
Technical field
The invention belongs to electrical equipment technical field, particularly relate to a kind of transformer station thermostat.
Background technology
Along with the development of national economy, transformer station enters center, city for the continuous growth solving city basic living and productive power, and transformer station adopts indoor arrangement form substantially.
At present, conventional indoor arrangement form is that high voltage, jumbo power transformer are placed in indoor, for ensureing that indoor arrangement form reaches the rated output power the same with open air layout and running environment, heat radiation and the well-ventilated of indoor arrangement form transformer need be ensured; And need consider that transformer station is arranged at the shielding requirements of center, city to noise.The ventilation noise reduction schemes of the transformer chamber of existing transformer station mainly adopts the draft type of natural air inlet, mechanical exhaust; Offer air inlet in transformer chamber bottom, make natural wind enter in transformer chamber by air inlet; Set out air port on transformer chamber top, adopt axial flow blower or cabinet type blower air draft, make indoor air be discharged to outdoor by machinery; Air inlet air intake and air outlet air draft make the cross-ventilation in transformer chamber circulate, and indoor hot blast is discharged to outdoor, and outdoor cold wind enters indoor, are reached the effect of indoor radiating cooling by the temperature difference of cold-hot wind.
But, for the cooling method of indoor-outdoor air convection circulation because being subject to the impact of wind direction instability, easily occur that convection circulation is unstable, the phenomenon that even outdoor wind pours in down a chimney from air outlet; And, because outdoor temperature is with the lifting in season, easily there is the phenomenon that convection circulation is not smooth, indoor radiating cooling is not smooth.
Summary of the invention
Based on this, the invention reside in and overcome prior art and be subject to the impact of wind direction and outdoor environment and the unstable defect of the indoor radiating cooling that produces, a kind of transformer station thermostat is provided.
Its technical scheme is as follows:
A kind of transformer station thermostat, keeps the transformer chamber's temperature constant being provided with transformer, comprises heat exchange mechanism, magnetism servo-electric motor water-cooling, water pump and pipeline; Described heat exchange mechanism is provided with the first delivery port and the first water inlet, described magnetism servo-electric motor water-cooling is provided with the second water inlet and the second delivery port, described first delivery port is connected described second water inlet through pipeline with water pump, and described second delivery port connects described first water inlet through pipeline.
Below further technical scheme is described:
Described magnetism servo-electric motor water-cooling comprises the compression assembly, condensation and the evaporative component that connect successively, and the feed water flow of described second water inlet is flowed out by described second delivery port after described compression assembly, condensation and evaporative component.
The gas temperature that described transformer chamber gas enters described heat exchange mechanism and the described heat exchange mechanism of discharge is 42 DEG C and 35 DEG C respectively, and the water temperature of described second water inlet and the second delivery port is respectively 20 DEG C and 15 DEG C.
The form heat exchange that described heat exchange mechanism adopts bronze pan tube to engage with copper fin.
Described copper fin punching is that " L " type extends flaps.
Described transformer station thermostat also comprises water tank, and described water tank is connected with described water pump.
Described transformer station thermostat also comprises water knockout drum and water collector, described heat exchange mechanism is provided with at least 2, described water knockout drum is arranged on the pipeline between described first water inlet and the second delivery port, and described water collector is arranged on the pipeline between described first delivery port and water pump.
Described magnetism servo-electric motor water-cooling is provided with at least 2.
Described magnetism servo-electric motor water-cooling inside is provided with sound attenuation assembly.
Described transformer station thermostat also comprises efficiency instrument, and described efficiency instrument is connected with described magnetism servo-electric motor water-cooling.
Below the principle, effect etc. of preceding solution are described:
1. because normal loss produces a large amount of heats in the transformer running in transformer chamber, heat is dispersed in transformer chamber, and indoor air temperature raises; High-temperature gas enters heat exchange mechanism, and heat exchange mechanism is using water at low temperature as cold-producing medium, and the heat of release is partially absorbed by water at low temperature, becomes cryogenic gas; Cryogenic gas discharges heat exchange mechanism, and contact transformer surface, carry out forced-convection heat transfer on transformer surface, cryogenic gas absorbs the heat that transformer distributes again and becomes high-temperature gas, and enters into heat exchange mechanism cooling, so circulates; High-temperature water is become after the water at low temperature absorption heat of heat exchange mechanism, pressurizeed by water pump and enter into magnetism servo-electric motor water-cooling through pipeline, high-temperature water becomes water at low temperature through the effect heat extraction of magnetism servo-electric motor water-cooling, and water at low temperature flows to heat exchange mechanism through pipeline and again becomes cold-producing medium, so circulates; By the heat that water at low temperature absorption transformer distributes, and by heat dissipation in air, whole process is not subject to the impact of wind direction and ambient temperature, can reach main transformer indoor radiating efficient, comprehensive, and keep the effect of temperature constant in transformer chamber.
2. the high-temperature water that the second water inlet flows to enters compression assembly, and motor rotation drives piston to compress it, and release portion heat forms high-temperature gas, by condensation, high-temperature gas is transferred to evaporative component, heat is discharged to extraneous, so magnetism servo-electric motor water-cooling internal temperature reduces by evaporative component; And the piston of compression assembly abandons compression, absorb heat; Through the reciprocating motion of piston, and the shuttling movement of condensation and evaporative component, the conversion of high-temperature water to the water at low temperature of the second delivery port of the second water inlet can be realized, reach the demand of transformer heat elimination and cooling.
3. the heat that distributes of transformer and the determined value that keeps 42 DEG C and 35 DEG C through the condensed cryogenic gas of heat exchange mechanism, transformer chamber's temperature constant can be maintained between 35 DEG C ~ 42 DEG C, and magnetism servo-electric motor water-cooling water temperature is before and after treatment respectively 20 DEG C and 15 DEG C, the heat of water at low temperature Vapor recovery unit can be ensured, keep the cold-gas temperature of transformer chamber constant.
4. the form heat exchange that engages with copper fin of bronze pan tube, bronze pan tube can utilize mechanical expanding, bronze pan tube and copper fin is combined closely, good effect of heat exchange.
5. after bronze pan tube expand tube, " L " type type copper fin can close contact bronze pan tube and contact area large, good effect of heat exchange, efficiency are high.
6. the water in water tank can supplement the moisture that magnetism servo-electric motor water-cooling is taken away by evaporative heat loss in high temperature to chilling process, maintain the cold-producing medium that enough water becomes low temperature, the heat that the cold-producing medium Absorbable rod of stable quantity is stable, thus the temperature constant of high/low temperature gas in transformer chamber can be maintained.
7. water knockout drum and water collector are set respectively at the pipeline of the first water inlet of heat exchange mechanism and the pipeline of the first delivery port, so, at least 2 heat exchange mechanisms can be provided with in transformer chamber, accelerate the absorption to the heat that transformer distributes; Meanwhile, the different azimuth that can will at least 2 heat exchange mechanisms be had to be positioned over transformer chamber, thus ensure that heat exchange is comprehensively without dead angle.
8. be provided with at least 2 magnetism servo-electric motor water-coolings, be conducive to accelerating high-temperature water to the transition process of water at low temperature, keep synchronous with the heat exchange of high-temperature gas in transformer chamber and cryogenic gas.
9. the sound attenuation assembly that magnetism servo-electric motor water-cooling carries operationally can reduce noise, ensures resident not by noise jamming.
10. efficiency instrument can monitor the refrigerating capacity of magnetism servo-electric motor water-cooling, power consumption, coefficient of refrigerating performance and can the service data such as valid value in real time, and according to its performance of service condition dynamic evaluation, makes the energy efficiency state of operating personnel's easy grasp magnetism servo-electric motor water-cooling directly perceived; Efficiency instrument built-in algorithms, can reset magnetism servo-electric motor water-cooling leaving water temperature automatically according to indoor and outdoor humiture, under the requirement ensureing transformer chamber's running temperature, reduces the energy consumption of magnetism servo-electric motor water-cooling, the amount of saving energy.
Accompanying drawing explanation
Tu1Shi transformer station of the present invention thermostat structure diagram;
Tu2Shi transformer station of the present invention thermostat magnetism servo-electric motor water-cooling structural representation;
Tu3Shi transformer station of the present invention thermostat schematic diagram.
Description of reference numerals:
100. transformer station's thermostats, 110. heat exchange mechanisms, 112. first delivery ports, 114. first water inlets, 120. magnetism servo-electric motor water-coolings, 121. second water inlets, 122. second delivery ports, 123. compression assemblies, 124. condensation, 125. evaporative components, 126. sound attenuation assemblies, 130. water pumps, 140. pipelines, 150. water tanks, 160. water knockout drums, 170. water collectors, 180. efficiency instrument, 200. transformers.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in Figure 1, a kind of transformer station thermostat 100, keeps the transformer chamber's temperature constant being provided with transformer 200, comprises heat exchange mechanism 110, magnetism servo-electric motor water-cooling 120, water pump 130 and pipeline 140; Heat exchange mechanism 110 is provided with the first delivery port 112 and the first water inlet 114, magnetism servo-electric motor water-cooling 120 is provided with the second water inlet 121 and the second delivery port 122, first delivery port 112 is connected the second water inlet 121, second delivery port 122 through pipeline 140 with water pump 130 and connects the first water inlet 114 through pipeline 140.
Above-mentioned transformer station thermostat 100, because normal loss produces a large amount of heats in transformer 200 running in transformer chamber, heat is dispersed in transformer chamber, and indoor air temperature raises; High-temperature gas enters heat exchange mechanism 110, and heat exchange mechanism 110 is using water at low temperature as cold-producing medium, and the heat of release is partially absorbed by water at low temperature, becomes cryogenic gas; Cryogenic gas discharges heat exchange mechanism 110, and contact transformer 200 surface, carry out forced-convection heat transfer on transformer 200 surface, cryogenic gas absorbs the heat that transformer 200 distributes again and becomes high-temperature gas, and enter into heat exchange mechanism 110 and lower the temperature, so circulate; High-temperature water is become after the water at low temperature absorption heat of heat exchange mechanism 110, pressurizeed by water pump 130 and enter into magnetism servo-electric motor water-cooling 120 through pipeline 140, high-temperature water becomes water at low temperature through the effect heat extraction of magnetism servo-electric motor water-cooling 120, water at low temperature flows to heat exchange mechanism 110 through pipeline 140 and again becomes cold-producing medium, so circulates; By the heat that water at low temperature absorption transformer 200 distributes, and by heat dissipation in air, whole process is not subject to the impact of wind direction and ambient temperature, can reach main transformer indoor radiating efficient, comprehensive, and keep the effect of temperature constant in transformer chamber.
As shown in Figure 2, wherein in an embodiment, magnetism servo-electric motor water-cooling 120 is flowed out by the second delivery port 122 after comprising compression assembly 123, condensation 124 and evaporative component 125, the second compressed assembly 123 of feed water flow of water inlet 121, condensation 124 and the evaporative component 125 connected successively.The high-temperature water that second water inlet 121 flows to enters compression assembly 123, motor rotation drives piston to compress it, release portion heat forms high-temperature gas, by condensation 124, high-temperature gas is transferred to evaporative component 125, heat is discharged to extraneous by evaporative component 125, so magnetism servo-electric motor water-cooling 120 internal temperature reduces; And the piston of compression assembly 123 abandons compression, absorb heat; Through the reciprocating motion of piston, and the shuttling movement of condensation 124 and evaporative component 125, the high-temperature water that can realize the second water inlet 121, to the conversion of the water at low temperature of the second delivery port 122, reaches the demand of transformer 200 heat elimination and cooling.
The gas temperature that transformer chamber's gas enters heat exchange mechanism 110 and discharge heat exchange mechanism 110 is 42 DEG C and 35 DEG C respectively, and the water temperature of the second water inlet 121 and the second delivery port 122 is respectively 20 DEG C and 15 DEG C.The heat that transformer 200 distributes and keep the determined value of 42 DEG C and 35 DEG C through the condensed cryogenic gas of heat exchange mechanism 110, transformer chamber's temperature constant can be maintained between 35 DEG C ~ 42 DEG C, and magnetism servo-electric motor water-cooling 120 water temperature is before and after treatment respectively 20 DEG C and 15 DEG C, the heat of water at low temperature Vapor recovery unit can be ensured, keep the cold-gas temperature of transformer chamber constant.
The form heat exchange that heat exchange mechanism 110 adopts bronze pan tube to engage with copper fin.The form heat exchange that bronze pan tube engages with copper fin, bronze pan tube can utilize mechanical expanding, bronze pan tube and copper fin is combined closely, good effect of heat exchange.
Copper fin punching is that " L " type extends flaps.After bronze pan tube expand tube, " L " type type copper fin can close contact bronze pan tube and contact area large, good effect of heat exchange, efficiency are high.
The form heat exchange that heat exchange mechanism 110 adopts bronze pan tube to engage with copper fin, can ensure best heat exchange effect, can play waterproof and dampproof effect simultaneously.Heat exchange mechanism 110 can be cooler, and specific design parameter is as table 1:
Table 1: cooler design parameter table:
Cooler casing adopts quality steel plate, surface plastic spraying, corrosion-resistant, good looking appearance; Coil pipe adopts the wrong row's mode of copper pipe, utilizes mechanical tube, bronze pan tube is closely engaged with copper fin, good effect of heat exchange; Product is through the air-tight test of 2.5MPa and system blowdown process; Cooler design reasonable wide, fan blade and copper fin spacing are all greater than 1/3 fan blade diameter and guarantee to run enough front face areas; Shell adopts stainless steel SUS304 support, anticorrosion durable.
Magnetism servo-electric motor water-cooling 120 can be air-cooled liquid chillers, and compression assembly 123 is compressor, condensation 124 is condensation fan, evaporative component 125 is evaporimeter; Design parameter and allocation list are as table 2:
Table 2: air-cooled liquid chillers technical parameter and allocation list:
As shown in Figure 3, wherein in an embodiment, transformer station's thermostat 100 also comprises water tank 150, and water tank 150 is connected with water pump 130.Water in water tank 150 can supplement the moisture that magnetism servo-electric motor water-cooling 120 is taken away by evaporative heat loss in high temperature to chilling process, maintain the cold-producing medium that enough water becomes low temperature, the heat that the cold-producing medium Absorbable rod of stable quantity is stable, thus the temperature constant of high/low temperature gas in transformer chamber can be maintained.
Transformer station's thermostat 100 also comprises water knockout drum 160 and water collector 170, heat exchange mechanism 110 is provided with at least 2, water knockout drum 160 is arranged on the pipeline 140 between the first water inlet 114 and the second delivery port 122, and water collector 170 is arranged on the pipeline 140 between the first delivery port 112 and water pump 130.At the pipeline 140 of the first water inlet 114 of heat exchange mechanism 110 and the pipeline 140 of the first delivery port 112, water knockout drum 160 and water collector 170 are set respectively, so, can at least 2 heat exchange mechanisms 110 be set in transformer chamber, accelerate the absorption to the heat that transformer 200 distributes; Meanwhile, 2 or more heat exchange mechanisms 110 can be positioned over the different azimuth of transformer chamber, thus ensure that heat exchange is comprehensively without dead angle.
Magnetism servo-electric motor water-cooling 120 is provided with at least 2.Be provided with at least 2 magnetism servo-electric motor water-coolings 120, be conducive to accelerating high-temperature water to the transition process of water at low temperature, keep synchronous with the heat exchange of high-temperature gas in transformer chamber and cryogenic gas.
Magnetism servo-electric motor water-cooling 120 inside is provided with sound attenuation assembly 126.The sound attenuation assembly 126 that magnetism servo-electric motor water-cooling 120 carries operationally can reduce noise, ensures resident not by noise jamming.
Transformer station's thermostat 100 also comprises efficiency instrument 180, and efficiency instrument 180 is connected with magnetism servo-electric motor water-cooling 120.Efficiency instrument 180 can monitor the refrigerating capacity of magnetism servo-electric motor water-cooling 120, power consumption, coefficient of refrigerating performance and can the service data such as valid value in real time, and according to its performance of service condition dynamic evaluation, makes the energy efficiency state of operating personnel's easy grasp magnetism servo-electric motor water-cooling 120 directly perceived; Efficiency instrument 180 built-in algorithms, can reset magnetism servo-electric motor water-cooling 120 leaving water temperature automatically according to indoor and outdoor humiture, under the requirement ensureing transformer chamber's running temperature, reduces the energy consumption of magnetism servo-electric motor water-cooling 120, the amount of saving energy.
The above embodiment only have expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims (9)

1. transformer station's thermostat, keeps the transformer chamber's temperature constant being provided with transformer, it is characterized in that, comprise heat exchange mechanism, magnetism servo-electric motor water-cooling, water pump and pipeline; Described heat exchange mechanism is provided with the first delivery port and the first water inlet, described magnetism servo-electric motor water-cooling is provided with the second water inlet and the second delivery port, described first delivery port is connected described second water inlet through pipeline with water pump, and described second delivery port connects described first water inlet through pipeline; Described magnetism servo-electric motor water-cooling comprises the compression assembly, condensation and the evaporative component that connect successively, described second water inlet is connected described condensation with described second delivery port, and the feed water flow of described second water inlet is flowed out by described second delivery port after described compression assembly, condensation and evaporative component.
2. transformer station according to claim 1 thermostat, it is characterized in that, the gas temperature that described transformer chamber gas enters described heat exchange mechanism and the described heat exchange mechanism of discharge is 42 DEG C and 35 DEG C respectively, and the water temperature of described second water inlet and the second delivery port is respectively 20 DEG C and 15 DEG C.
3. transformer station according to claim 1 thermostat, is characterized in that, the form heat exchange that described heat exchange mechanism adopts bronze pan tube to engage with copper fin.
4. transformer station according to claim 3 thermostat, is characterized in that, described copper fin punching is that " L " type extends flaps.
5. transformer station according to claim 1 thermostat, is characterized in that, also comprise water tank, and described water tank is connected with described water pump.
6. transformer station according to claim 1 thermostat, it is characterized in that, also comprise water knockout drum and water collector, described heat exchange mechanism is provided with at least 2, described water knockout drum is arranged on the pipeline between described first water inlet and the second delivery port, and described water collector is arranged on the pipeline between described first delivery port and water pump.
7. transformer station according to claim 1 thermostat, is characterized in that, described magnetism servo-electric motor water-cooling is provided with at least 2.
8. transformer station according to claim 7 thermostat, is characterized in that, described magnetism servo-electric motor water-cooling inside is provided with sound attenuation assembly.
9. transformer station according to claim 1 thermostat, is characterized in that, also comprises efficiency instrument, and described efficiency instrument is connected with described magnetism servo-electric motor water-cooling.
CN201410235422.7A 2014-05-29 2014-05-29 Transformer station's thermostat Active CN103982969B (en)

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Publication number Priority date Publication date Assignee Title
DE102016212775A1 (en) * 2016-07-13 2018-01-18 KAE Kraftwerks- & Anlagen-Engineering GmbH building

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101286408A (en) * 2008-02-27 2008-10-15 上海市电力公司 Oil-immersed type transformer cooling method and its system
CN101409140A (en) * 2008-08-01 2009-04-15 中国科学院电工研究所 Transformer cooling system employing vapour cooling technology
CN201787688U (en) * 2010-08-30 2011-04-06 河南省电力公司郑州供电公司 Pipe burying type transformer substation central air conditioning water source heat pump system
CN201935478U (en) * 2010-08-25 2011-08-17 河南省电力公司郑州供电公司 Transformer station air conditioner water source heat pump device
CN103545727A (en) * 2013-09-27 2014-01-29 国家电网公司 Geothermal constant temperature circulator
CN203949311U (en) * 2014-05-29 2014-11-19 广州电力设计院 Transformer station's thermostat

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101286408A (en) * 2008-02-27 2008-10-15 上海市电力公司 Oil-immersed type transformer cooling method and its system
CN101409140A (en) * 2008-08-01 2009-04-15 中国科学院电工研究所 Transformer cooling system employing vapour cooling technology
CN201935478U (en) * 2010-08-25 2011-08-17 河南省电力公司郑州供电公司 Transformer station air conditioner water source heat pump device
CN201787688U (en) * 2010-08-30 2011-04-06 河南省电力公司郑州供电公司 Pipe burying type transformer substation central air conditioning water source heat pump system
CN103545727A (en) * 2013-09-27 2014-01-29 国家电网公司 Geothermal constant temperature circulator
CN203949311U (en) * 2014-05-29 2014-11-19 广州电力设计院 Transformer station's thermostat

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