CN2599723Y

CN2599723Y - Environmental protection high energy transformer

Info

Publication number: CN2599723Y
Application number: CNU02259034XU
Authority: CN
Inventors: 王小平; 陈生来
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-16
Filing date: 2002-12-16
Publication date: 2004-01-14
Anticipated expiration: 2012-12-16

Abstract

The utility model relates to an environment protecting high-energy transformer, which includes at least a transformer (1) and a sealing shell (2). The utility model is characterized in that: the transformer (1) is fixed in the sealing shell (2); cooling device communicates with cooling pipe in the sealing shell (2) with ingress pipe. Temperature sensor (16) of temperature control device (15) is fixed in the sealing shell (2) and the control terminal of the temperature control device (5) is connected with the cooling device with electric connection, the cooling device may comprise an air compressor (20) and pipefittings connected with the air compressor. The ingress pipe of the air compressor (20) communicates with the cooling pipe fixed at bottom of the sealing shell (2) with tight fitting. The outlet of the cooling pipe is fixed on the top of the sealing shell (2). The cooling device may be a refrigerating cycle device, which comprises a condenser (12), an exsiccator (13), capillary pipes (14), an air compressor (11), and an evaporator (7). The environment protecting high-energy transformer has high radiating efficiency without polluting environment, which is suitable for cooling various transformer under various conditions.

Description

The environment-friendly and high-energy transformer

Technical field: the utility model relates to a kind of environment-friendly and high-energy transformer.

Background technology: Industrial Frequency Transformer is because conversion efficiency is low, and when work, load is big more, and iron core will produce a large amount of heats, reduces the transformer conversion efficiency; And when the heat that produces surpasses transformer coil insulating material thermal insulation intensity, also can cause insulation breakdown to lead the system transformer and damage.For this reason general design of transformer with use, bigger with the Capacity design of transformer always, or adopt other cooling measure is so that transformer can be worked normally.

The normal oil that adopts is invaded the formula transformer to solve the problem of temperature rise of transformer in electric power system.But oil is invaded the formula transformer and is needed good hermetically-sealed construction, as seals the bad seepage that occurs, and can cause a large amount of environmental pollutions.Therefore, oil is invaded the formula transformer needs periodic maintenance.

A kind of method to the transformer cooling is disclosed in the Chinese patent, its [application number] is 96236538.6, its special feature is the fan blade at setting-in band angle of inclination at interval on the inducer, and fan blade is circular arc, cooperates with the snail plate that is involute surface and realizes that the continuous negative pressure air intake arrives forced draft.This less owing to the temperature difference by common wind regime temperature reduction way, cooling-down effect is not obvious.In plasma cutting bonding machine is exactly owing to can't effectively solve the transformer problem of temperature rise, each cutting bonding machine can only use in the short time when work, and in large tracts of land material cutting welding, need once finish cutting to material, repeatedly cutting welding can make cut quality be affected, influence operating efficiency, make a large amount of time wastes in the cooling of waiting for transformer.

Summary of the invention: the purpose of this utility model provides a kind of environment-friendly and high-energy transformer, and its radiating efficiency height is free from environmental pollution, is adapted to the range transformer cooling under the different condition.

The purpose of this utility model is to realize like this, design a kind of environment-friendly and high-energy transformer, which comprises at least transformer 1, seal casinghousing 2, it is characterized in that: transformer 1 is fixed in the seal casinghousing 2, cooling mechanism is connected by ingress pipe and the seal casinghousing 2 interior cooling seals of tube, the temperature sensor 16 of attemperating unit 15 is fixed in the seal casinghousing 2, and the control end of attemperating unit 15 is electrically connected with cooling mechanism.

Described cooling mechanism is communicated with by air compressor machine 20 and pipe fitting to constitute, and the ingress pipe of air compressor machine 20 is connected with the cooling pipe ferrule that is fixed on seal casinghousing 2 bottoms, and the outlet of the pipe of lowering the temperature is fixed on seal casinghousing 2 tops.

Described cooling mechanism is a kind of refrigeration cycle mechanism, it is made of condenser 12, drier 13, capillary 14, compressor 11, evaporator 7 connections, the gases at high pressure output of compressor 11, be tightly connected with the input of condenser 12, the input of the output of condenser 12 and drier 13 is tightly connected, the input of the output of drier 13 and capillary 14 is tightly connected, the input of the output of capillary 14 and evaporator 7 is tightly connected, and the input of the output of evaporator 7 and compressor 11 is tightly connected.

Described compressor 11 is fixed on outside the seal casinghousing 2, and evaporator 7 is fixed in the seal casinghousing 2, and evaporator 7 one ends are sealedly connected on high-pressure side 5 other ends and are sealedly connected on low-pressure end 6.Described seal casinghousing 2 is steel plates.

Kind of refrigeration cycle mechanism high-pressure side 5, kind of refrigeration cycle mechanism low-pressure end 6 and transformer just utmost point lead end 9, transformer time utmost point lead end 10 are arranged on the described seal casinghousing 2, porcelain courage inner casing insulation inner casing 8 is arranged, the cold air guide hole 17 that on the porcelain courage, is drilled with between evaporator 7 in seal casinghousing 2 and the transformer 1.

In the described inner casing 8 air cooling secret room 18 is arranged, housing bottom is drilled with exhaust, osculum.

Described inner casing 8 is insulation boards.

Characteristics of the present utility model are: because the utility model has adopted cooling mechanism, make dissimilar transformers reach desirable work effect, during particularly plasma cutting bonding machine uses, adopting the disclosed technology of the utility model can make transformer be in lower temperature works, can make the long-time stable work of plasma cutting bonding machine like this, transformer does not generate heat, the surfacing of cutting welding, the cutting soldering opening is narrow, the plane is smooth, the workpiece of cutting welding is indeformable, nondiscolouring, never degenerate, and improves 3-5 doubly than the life-span of like product.

Below in conjunction with the present embodiment accompanying drawing the utility model is done the detail explanation:

Fig. 1 is the utility model embodiment 1 structural representation;

Fig. 2 is the structural representation of transformer among the utility model embodiment 2;

Fig. 3 is the structural representation of transformer among the utility model embodiment 1;

Fig. 4 is the utility model embodiment 2 structural representations;

Among the figure: 1, transformer; 2, seal casinghousing; 3, air intake; 4, gas outlet; 5, kind of refrigeration cycle mechanism high-pressure side; 6, kind of refrigeration cycle mechanism low-pressure end; 7, evaporator; 8, inner casing; 9, the first utmost point of transformer; 10, the transformer time utmost point; 11, compressor; 12, condenser; 13, drier; 14, capillary; 15, attemperating unit; 16, temperature sensor; 17 cold air guide holes; 18, cooling secret room; 19, air compressor machine air supply pipe; 20, air compressor machine.

Embodiment: embodiment 1 as shown in Figure 1, it is outside equipped with kind of refrigeration cycle mechanism in known transformer 1 and seal casinghousing 2, kind of refrigeration cycle mechanism is by condenser 12, drier 13, capillary 14, compressor 11, evaporator 7 is communicated with formation, the gases at high pressure output of compressor 11, be tightly connected with the input of condenser 12, the input of the output of condenser 12 and drier 13 is tightly connected, the input of the output of drier 13 and capillary 14 is tightly connected, the input of the output of capillary 14 and evaporator 7 is tightly connected, and the input of the output of evaporator 7 and compressor 11 is tightly connected.Compressor 11 is placed on outside the seal casinghousing 2, only evaporator 7 is fixed in the seal casinghousing 2 that transformer 1 is housed, and evaporator 7 one ends are sealedly connected on high-pressure side 5 other ends and are sealedly connected on low-pressure end 6.

Kind of refrigeration cycle mechanism mainly supplies with the evaporator 7 around the transformer 1, cold air is circulated in the refrigerating system of sealing by chlorofluoromethane refrigerant, by compressor 11 cold-producing medium that has absorbed heat in the evaporator 7 is sucked and is compressed into thereupon high-temperature gas, through condenser 12 heat is dispersed in the air, chlorofluoromethane refrigerant is liquefied, enter evaporator 7 through capillary 14 throttling step-downs again, rapid explosive evaporation is a gas to chlorofluoromethane refrigerant because pressure reduces suddenly, absorb the heat of transformer in the housing simultaneously, gas refrigerant is sucked back by compressor 11 again.Compressor 11 so circulates and reaches the purpose of cooling transformer 1.

In order to improve transformer 1 cooling-down effect, seal casinghousing 2 as shown in Figure 3; It is welded by the steel plate of 4-6MM, for preventing the magnetic hysteresis eddy current, can adopt the welding of copper or stainless steel, to reduce the electromagnetic heating of seal casinghousing 2.Kind of refrigeration cycle mechanism high-pressure side 5, kind of refrigeration cycle mechanism low-pressure end 6 and transformer just utmost point leading-out terminal 9, transformer time utmost point leading-out terminal 10 are arranged on the seal casinghousing 2, have very strong insulation property in order to make between evaporator 7 and the transformer 1, can be added with porcelain courage inner casing 8 between evaporator 7 in seal casinghousing 2 and the transformer 1, on porcelain courage inner casing 8, be drilled with cold air guide hole 17, so that make the cold air that is installed in the kind of refrigeration cycle mechanism in the middle of the seal casinghousing 2, inner casing 8 import the transformer 1 of packing in the shell, reach transformer 1 and in being not less than 20 ℃ room temperature, move.For preventing that refrigerating system from producing moisture content, be drilled with a plurality of exhausts, osculum at housing bottom, in line bottom air cooling secret room 18.

Transformer 1 is when work, and refrigerant compressor is worked simultaneously, and the evaporator of refrigerant compressor forms very strong low temperate zone transformer is lowered the temperature.

In order to make transformer 1 cooling reach optimum efficiency, temperature sensing device 16 is arranged in the seal casinghousing 2, the temperature signal that temperature sensing device 16 detects is electrically connected to the temperature detection end of attemperating unit 15, by 11 work of attemperating unit 15 control compressors, when temperature is lower than the temperature of setting, compressor 11 quits work, and when temperature was higher than the temperature of setting, compressor 11 was started working.

Embodiment 2 as shown in Figure 4, constitute the environment-friendly and high-energy transformer by transformer 1, seal casinghousing 2, air compressor machine 20, the compressed gas that air compressor machine 20 produces is tightly connected by the air supply pipe 19 of air compressor machine 20 and the air intake 3 of seal casinghousing 2, compressed gas is entered in the pipeline in the seal casinghousing 2, and the hot gas in the seal casinghousing is discharged by gas outlet 4.In the same seal casinghousing 2 temperature sensing device 16 is arranged, the temperature signal that temperature sensing device 16 detects is electrically connected to the temperature detection end of attemperating unit 15, by 11 work of attemperating unit 15 control compressors, when temperature is lower than the temperature of setting, air compressor machine 20 quits work, when temperature was higher than the temperature of setting, air compressor machine 20 was started working.

Embodiment 2 as shown in Figure 2, have very strong insulation property in order to make between evaporator 7 and the transformer 1, be added with insulation board inner casing 8 between evaporator 7 in seal casinghousing 2 and the transformer 1, the cold air guide hole 17 that on inner casing 8, is drilled with, so that make the cold air of the kind of refrigeration cycle mechanism that is installed in seal casinghousing 2, inner casing 8 centres import the transformer 1 of packing in the shell, the cooling pipe air intake 3 of seal casinghousing 2 bottoms is tightly connected, and the gas outlet 4 of cooling pipe is fixed on seal casinghousing 2 tops.Transformer just utmost point leading-out terminal 9 and transformer time utmost point leading-out terminal 10 are arranged on the seal casinghousing 2.

Because seal casinghousing 2 is in the temperature of control, it is too high that transformer can temperature, and this has just improved the operating efficiency of transformer greatly.The utility model is applicable to range transformer, better as in the various bonding machines of plasma cutting machine, adopting the disclosed technique effect of the utility model, especially quality, the efficient of plasma cutting bonding machine cutting material improve greatly, simultaneously can cut welding to various metal materials, cutting welding scope is wide.No matter be which kind of metal is cut welding, can both make cutting welding surfacing, the cutting soldering opening is narrow, the plane is smooth, indeformable, the nondiscolouring of cutting welding work pieces improves 3-5 doubly than the life-span of like product.

Claims

1, environment-friendly and high-energy transformer, which comprises at least transformer (1), seal casinghousing (2), it is characterized in that: transformer (1) is fixed in the seal casinghousing (2), cooling mechanism is connected by the interior cooling seal of tube of ingress pipe and seal casinghousing (2), the temperature sensor (16) of attemperating unit (15) is fixed in the seal casinghousing (2), and the control end of attemperating unit (15) is electrically connected with cooling mechanism.

2, environment-friendly and high-energy transformer according to claim 1, it is characterized in that: described cooling mechanism is communicated with by air compressor machine (20) and pipe fitting to constitute, the ingress pipe of air compressor machine (20) is connected with the cooling pipe ferrule that is fixed on seal casinghousing (2) bottom, and the outlet of cooling pipe is fixed on seal casinghousing (2) top.

3, environment-friendly and high-energy transformer according to claim 1, it is characterized in that: described cooling mechanism is a kind of refrigeration cycle mechanism, it is by condenser (12), drier (13), capillary (14), compressor (11), evaporator (7) is communicated with formation, the gases at high pressure output of compressor (11), be tightly connected with the input of condenser (12), the input of the output of condenser (12) and drier (13) is tightly connected, the input of the output of drier (13) and capillary (14) is tightly connected, the input of the output of capillary (14) and evaporator (7) is tightly connected, and the input of the output of evaporator (7) and compressor (11) is tightly connected.

4, environment-friendly and high-energy transformer according to claim 1, it is characterized in that: described compressor (11) is fixed on outside the seal casinghousing (2), evaporator (7) is fixed in the seal casinghousing (2), and evaporator (7) one ends are sealedly connected on high-pressure side (5) other end and are sealedly connected on low-pressure end (6).

5, environment-friendly and high-energy transformer according to claim 1 is characterized in that: described seal casinghousing (2) is a steel plate.

6, environment-friendly and high-energy transformer according to claim 1, it is characterized in that: kind of refrigeration cycle mechanism high-pressure side (5), kind of refrigeration cycle mechanism low-pressure end (6) and transformer just utmost point lead end (9), transformer time utmost point lead end (10) are arranged on the described seal casinghousing (2), porcelain courage inner casing insulation inner casing (8) is arranged, the cold air guide hole (17) that on the porcelain courage, is drilled with between evaporator (7) in seal casinghousing (2) and the transformer (1).

7, environment-friendly and high-energy transformer according to claim 1 is characterized in that: air cooling secret room (18) is arranged in the described inner casing (8), and housing bottom is drilled with exhaust, osculum.

8, environment-friendly and high-energy transformer according to claim 1 is characterized in that: described inner casing (8) is an insulation board.