CN201750066U

CN201750066U - Transformer substation

Info

Publication number: CN201750066U
Application number: CN2010202800174U
Authority: CN
Inventors: 承方
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-30
Filing date: 2010-07-30
Publication date: 2011-02-16
Anticipated expiration: 2020-07-30

Abstract

The utility model relates to a transformer substation which is characterized in that an air inlet and an air outlet are arranged on the same side wall of a machine room of the transformer substation, wherein the air inlet is arranged at one end of the side wall and adjacent to the bottom surface; the air outlet is arranged at the other end of the side wall and adjacent to the top surface; and air is supplied to the machine room of the transformer substation from the air inlet by small-quantity low-speed airflow, the airflow is rebounded by the side wall adjacent to the air inlet, hot air buoyancy lift generated by the heating of electrical equipment drives the low-speed airflow to rise and flow through the electrical equipment, and then hot airflow heated by the electrical equipment is exhausted out of the machine room from the air outlet. In the utility model, the controllable small-quantity low-speed airflow is utilized for ventilating and cooling the electrical equipment in closed spaces such as the transformer substation, the ventilating-cooling efficiency is improved, the energy consumption is lowered greatly, and the noise pollution to the peripheral environment is eliminated.

Description

Transformer station

Technical field

The utility model relates to a kind of transformer station, especially relates to the transformer station of a kind of being used for " indoor " or " underground ", its at air inlet with little air quantity low speed flow air intake, in the air-out of air outlet nature.

Background technology

For a long time, powerful blower fan is installed in the aeration-cooling common employing of great majority enclosure space such as " indoor " or " underground " transformer stations or other similar site at air outlet mode, force the pump drainage mode aeration-cooling to enclosure space by machinery, directly cooling perhaps also can install an air-conditioner in enclosure space.Not only effect is not satisfactory for above-mentioned aeration-cooling method, also derives a large amount of other problems.For example, be provided with electric equipments such as high-voltage board, low-voltage cabinet, transformer in transformer station's machine room, the next aeration-cooling meeting of powerful blower fan is installed to bring a large amount of dusts and floats on airborne salt or acidic materials, the surface that they are attached to electric equipment or insulator forms dirt, corrosion electric equipment even formation discharge channel, cause security incidents such as creepage, pollution flashover, have potential safety hazard; In the electric equipment underloading or tend to cause excessive cooling night when outdoor temperature is low, the wet volume capacity of air is descended even reach capacity, and at the surface of equipment or insulator formation condensation, cause insulation faults such as discharge, flashover, there is potential safety hazard equally, the heater of having to so again to be eliminating condensation, or equipment such as dehumidifier is installed dehumidified.In addition, because existing aeration-cooling mode causes the turbulent flow or the mixed flow of air-flow in whole transformer station inner space, aeration-cooling efficient is lower, causes a large amount of energy loss, and surrounding enviroment are caused bigger noise pollution.

Summary of the invention

The applicant is at above-mentioned problem, having carried out research improves, a kind of transformer station is provided, to solve negative effects such as high energy consumption that the aeration-cooling facilities of enclosure space or other similar site such as " indoor " or " underground " transformer station in the prior art bring, high noisy, dust stratification, improve aeration-cooling efficient, reduce energy resource consumption, and eliminate noise pollution surrounding enviroment.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:

A kind of transformer station, comprise machine room, machine room is made of four sidewalls, bottom surface and end faces, electric equipment is arranged on the central authorities of described machine room, air inlet and air outlet are arranged on the same sidewall of described machine room, described air inlet is arranged on place, the nearly bottom surface of this sidewall one termination, and described air outlet is arranged on this sidewall other end near the end face place; Described air inlet is provided with the intelligent temperature control louvres of blowing in described machine room, the air outlet of described intelligent temperature control louvres is provided with air deflector, and the temperature probe of the electric controller of described intelligent temperature control louvres is installed on the described air outlet.

Further:

Be provided with SF with the immediate adjacent wall of described air outlet ₆Special-purpose drain port, described SF ₆Special-purpose drain port is arranged near the bottom surface to be located.

Technique effect of the present utility model is:

The disclosed transformer station of the utility model, finish aeration-cooling to electric equipment in the enclosure spaces such as transformer station with controlled little air quantity low speed flow, can not cause the turbulent flow or the mixed flow of air-flow in transformer station's machine room, improve aeration-cooling efficient, reduce energy resource consumption significantly, and eliminate noise pollution surrounding enviroment; In addition, low speed flow reduces the airborne dust in the machine room, makes electric equipment no longer include the serious phenomenon of dust stratification and takes place, and reduces the generation of the creepage phenomenon that causes because of the electric equipment superficial dust, has eliminated potential safety hazard.

Description of drawings

Fig. 1 is the structural representation of transformer station.

Fig. 2 is the vertical view of Fig. 1.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

The disclosed a kind of transformer station of the utility model, as shown in Figure 1, 2, comprise machine room 1, machine room 1 constitutes an enclosure space by four sidewalls, bottom surface 105 and end face 104, electric equipment 2 is arranged on the central authorities of machine room 1, electric equipment 2 can be high-voltage board, low-voltage cabinet, transformer etc., air inlet 3 and air outlet 4 are arranged on the same sidewall 101 of machine room 1, air inlet 3 is arranged on sidewall 101 right-hand members near 105 places, bottom surface, air inlet 3 is near adjacent wall 102, air outlet 4 is arranged on sidewall 101 left ends near end face 104 places, and air outlet 4 is near adjacent wall 103.Air inlet 3 is provided with the intelligent temperature control louvres 5 of air-supply in machine room 1, the air outlet of intelligent temperature control louvres 5 is provided with air deflector 6, the flow direction that air deflector 6 scalable enter the air-flow of machine room 1, the temperature probe of the electric controller of intelligent temperature control louvres 5 (not drawing in the drawings) is installed on the air outlet 4, and intelligent temperature control louvres 5 are discharged the temperature adjustment air output of air-flow and the speed of air-supply according to air outlet 4.In the present embodiment, intelligent temperature control louvres 5 are in the granted patent (patent No.: open 200720131425.1), the intelligent temperature control louvres 5 that are installed on the air inlet 3 are provided with air filter and silencing means, filter out dust and moisture in the open-air by air filter, to the open-air filtration and after noise reduction is handled, blow in machine room 1 by air deflector 6, adjusting air deflector 6 makes air supply direction towards adjacent sidewall 102, control the reflection angle of air-flow and form low speed flow with the angle of sidewall 102, make low speed flow be covered in electric equipment 2 bottoms of machine room 1 central authorities, the hot-air buoyancy lift that electric equipment 2 heatings form drives the low speed flow upwelling through electric equipment 2, after the electric equipment heating, become thermal current, thermal current rises naturally and discharges machine room 1 from air outlet 4, airflow direction such as Fig. 1, in 2 shown in the arrow, low speed flow is at air inlet 3, form unidirectional controlled orderly air current flow passage between electric equipment 2 and the air outlet 4, fast thermal current is overflowed the open air, for electric equipment 2 aeration-cooling.The temperature probe of the electric controller of intelligent temperature control louvres 5 is in air outlet 4 place's collecting temperature information and feed back to intelligent temperature control louvres 5, intelligent temperature control louvres 5 are the air output of control blower fan automatically, thereby the flow velocity of throughput and air-flow in the adjusting machine room 1, the dynamic characteristic that itself and electric equipment 2 caloric values are changed is complementary, when having satisfied the required minimum ventilation quantity of electric equipment dynamic heat balance, ambient temperature remains constant (being less than or equal to device temperature) in the control machine room 1, prevented because ambient temperature and the reversal of the natural order of things of the device temperature temperature difference, suddenly change and forming device surface condensation, avoid discharge, insulation faults such as flashover eliminate safe hidden trouble.

In the present embodiment, be provided with SF with air outlet 4 immediate adjacent walls 103 ₆Special-purpose drain port 7, SF ₆Special-purpose drain port 7 is arranged near 105 places, bottom surface.Under the guide effect of bottom one-way gas flow, the SF that proportion is bigger ₆The gas that switch leaks is to SF ₆Special-purpose drain port 7 is passed SF ₆The gas that switch leaks is voluntarily from SF ₆Special-purpose drain port 7 overflows to outdoor.

As Fig. 1, shown in 2, air inlet 3 and air outlet 4 are arranged on the same sidewall 101 of transformer station's machine room 1, air inlet 3 is arranged on sidewall 101 right-hand members near 105 places, bottom surface, air outlet 4 is arranged on sidewall 101 left ends near end face 104 places, blow to transformer station's machine room 1 with little air quantity low speed flow from air inlet 3, airflow direction is towards the sidewall 102 adjacent with air inlet 3, air-flow through with the bounce-back of air inlet 3 adjacent walls 102, be formed on the even low speed flow that flows in bottom surface 105, the hot-air buoyancy lift that forms in electric equipment 2 heating of machine room 1 central authorities drives the low speed flow upwelling through electric equipment 2, thermal current after electric equipment 2 heating is discharged machine room 1 from air outlet 4, thereby is the coolings of electric equipment 2 ventilation and heat.

The aeration-cooling method of the utility model transformer station is that the electric equipment ventilation cools with different being with little air quantity low speed flow of prior art, keep electric equipment the required minimum ventilation cooled gas flow amount of the heat balance of a certain temperature range (existing mechanical forces the selected ventilation amount of cooling water of the aeration-cooling method of pump drainage formula greater than electric equipment under the maximum caloric value situation, just can keep the thermally equilibrated needs of electric equipment in a certain temperature range) by low speed flow.Low speed flow is made up of two parts, the power-actuated piston flow that makes progress of air buoyance lift that a part forms for difference in height and temperature difference by air inlet and air outlet, another part is by the forced convertion that drive, controlled of the small-power blower fan at air inlet place, change required specific heat load increment in order to compensation because of electric equipment or ambient temperature, the controlled orderly little air quantity low speed flow that forms by the acting in conjunction of two parts air-flow ventilates to heat source bodies such as electric equipments and cools.

In actual applications, by thermal field analysis to electric equipment in the transformer station, select suitable air inlet and air outlet position, maximally utilise the piston flow of the driving formation of hot-air buoyancy lift, and make colder little air quantity low speed flow that the outside enters through heat source bodies such as electric equipments to forming unidirectional controlled gas channel between the air outlet, guiding measure by blower fan pressurization and air deflector etc. again, formation forms convection current form clocklike from bottom to top at the electric equipment place, keep stable temperature gradient and laminar air flow tissue, make electric equipment such as transformer can be stably be attached to its surperficial air-flow and carry out efficiently heat and transmit, make low speed flow fully and electric equipment carry out heat exchange, eliminate the negative effect of turbulent flow and mixed flow, make aeration-cooling maximizing efficiency.

Claims

1. transformer station, comprise machine room, machine room is made of four sidewalls, bottom surface and end faces, electric equipment is arranged on the central authorities of described machine room, it is characterized in that: air inlet and air outlet are arranged on the same sidewall of described machine room, described air inlet is arranged on place, the nearly bottom surface of this sidewall one termination, and described air outlet is arranged on this sidewall other end near the end face place; Described air inlet is provided with the intelligent temperature control louvres of blowing in described machine room, the air outlet of described intelligent temperature control louvres is provided with air deflector, and the temperature probe of the electric controller of described intelligent temperature control louvres is installed on the described air outlet.

2. according to the described transformer station of claim 1, it is characterized in that: be provided with SF with the immediate adjacent wall of described air outlet ₆Special-purpose drain port, described SF ₆Special-purpose drain port is arranged near the bottom surface to be located.