CN209030508U - Cooling down system for frequency conversion room - Google Patents

Abstract

The cooling down system of frequency conversion room is used for designed by the utility model, including hot wind area and cold wind area, hot wind area and cold wind area are the up-down structures being kept completely separate by fire-retardant heat insulation type color steel plate, top of the hot wind area in cold wind area, cold wind is provided with frequency-charger cabinet in area, change is on the point of device cabinet top portion and is on the point of the included ventilation blower connection cold wind area of device and hot wind area equipped with change, the side side wall in the hot wind area is equipped with hot-blast outlet, the beam wind pipe being laterally arranged is equipped on the outside of hot-blast outlet, the lower part of beam wind pipe is equipped with perpendicular air hose, the lower end of perpendicular air hose connects air/water cooler, the cold wind outlet of air/water cooler is connect with the cold wind import in cold wind area, beam wind pipe-erects air hose-air/water cooler and is sequentially communicated the closed cooling system of composition, and the beam wind pipe, perpendicular air hose, air/water cooler is arranged at outside cold wind area and hot wind area.

Description

Cooling down system for frequency conversion room

Technical field

The utility model relates to the cooling down systems technologies of the industries Transducer Room such as electric power, steel, belong to new energy It is the air water cooling but heat transfer technology electrical equipment room bigger in heat dissipation capacity with the building high-efficiency energy-saving technology of energy-saving field Innovation and application.

Background technique

The cooling of regular industrial building uses the conventional refrigerant air-conditioning with compressor, since air-conditioning is sharp to fluorine using compressor High acting, energy consumption is larger, and on the other hand, the industrial enterprises such as general electric power, steel have a large amount of cooling water that can use, air-conditioning system The dosage of system cooling water is very little for entire plant circulation cooling water system, and the increase of energy consumption can almost be ignored not Meter, meanwhile, the ambient air quality of some enterprises is poor, relatively high electric room is required to gradation for surface pollution if only using Grain cooling machine low-temperature grain-storage technology, although heat radiation energy is met the requirements, space air quality is not able to satisfy the requirement of electrical equipment.Sky-water cooling But system is the high-voltage frequency converter dedicated cooling system integrated efficiently, environmentally friendly, energy saving, fundamentally solves unit heat dissipation The problem that density is high, equipment energy consumption is big, indoor air quality is poor, therefore, using air-water cooling device heat exchange cooling technology in electricity It has highly application value in the cooling project of the high-voltage high-power frequency transformator of the industries such as power, steel, which can have The raising system security reliability of power cuts operating costs.

Utility model content

It is set to solve unit heat radiation density height, the conventional air-conditioning in industrial enterprises' big-power transducer rooms such as electric power, steel Standby the problem of energy consumption is high, the problem super-pressure heating system make-up cooling water of indoor air quality difference, the utility model proposes one Kind is applied to the cooling down system of Transducer Room.

In order to achieve the above object, the cooling down system of frequency conversion room, including hot wind are used for designed by the utility model Area and cold wind area, hot wind area and cold wind area are the up-down structure being kept completely separate by fire-retardant heat insulation type color steel plate, hot wind Qu Leng The top in wind area, is provided with frequency-charger cabinet in cold wind area, and change, which is on the point of device cabinet top portion and is equipped with to become, is on the point of device and carries ventilation blower connection cold wind area With hot wind area, the side side wall in the hot wind area is equipped with hot-blast outlet, is equipped with the beam wind being laterally arranged on the outside of hot-blast outlet Pipe, the lower part of beam wind pipe are equipped with perpendicular air hose, and the lower end for erecting air hose connects air/water cooler, the cold wind outlet of air/water cooler with it is cold The cold wind import in wind area connects, and beam wind pipe-erects air hose-air/water cooler and is sequentially communicated the closed cooling system of composition, and described Beam wind pipe, perpendicular air hose, air/water cooler be arranged at outside cold wind area and hot wind area.

Further embodiment is that the opening for accommodating frequency-charger cabinet is equipped between the fire-retardant heat insulation type color steel plate, fire-retardant Thermal-insulating type color steel plate collectively constitutes closed entirety of being isolated with the upper plate of frequency-charger cabinet and separates hot wind area and cold wind area, and frequency conversion The height of the upper plate of device cabinet is lower than the upper level of fire-retardant heat insulation type color steel plate, forms the radiating area of recess.This structure Enable the top of frequency-charger cabinet directly to reject heat to radiating area, be formed simultaneously the hot wind area of stable lateral flow, improves heat dissipation effect Fruit.

Further embodiment is that fire-retardant heat insulation type color steel plate is equipped with access hole connection cold wind area and hot wind area, facilitates inspection The personnel of repairing enter hot wind area and carry out maintenance of fan and maintenance work, reduce the maintenance cost in equipment later period.

Further embodiment is that one end of the beam wind pipe is connect with hot-blast outlet, and the other end is equipped with emergency discharge outlet, With thermal wind exhausting of temporarily meeting an urgent need when being used for heat exchange equipment failure, guarantee frequency converter not by cooling systematic influence.

Further embodiment is that the air/water cooler is equipped with external circulating cooling water entrance.Guarantee cooling Water is separated with entire cooling system, does not interfere with the work of frequency converter.

Compared with prior art, the cooling down system of frequency conversion room, entire frequency converter are used for designed by the utility model Transducer Room is divided into upper layer and lower layer using fire-retardant heat insulation type color steel plate by room, and upper layer is hot wind area, lower layer is cold wind area, will be become The hot wind of frequency device cabinet top is immediately directed against cooling device by air duct and carries out heat exchange, 32 DEG C is passed through in cooling device or lower than 32 DEG C Cooling water, cooling water and hot-air chamber carry out heat exchange, are taken away the heat that frequency converter generates by cooling water, by the cold of cooling Wind drains back to interior, makes the indoor environment temperature control of frequency converter at 38 DEG C hereinafter, meeting the environmental requirement of frequency converter operation.

1) air/water cooler heat-exchange system

Using the existing recirculated cooling water of industrial enterprise as cooling medium, hot-air and cooling are realized through air/water cooler The heat exchange of water, cooling down principle are not using the conventional refrigerant air-conditioning with compressor, and power consumption reduces about 80% than common air-conditioning, Cooling water is kept completely separate with circulated air, and water pipeline clearly separates outside frequency conversion room with high-voltage frequency converter, it is ensured that high-voltage frequency converter room The security threats such as waterproof, insulation breakdown and accident are not will receive.

2) cold-hot wind separates transportation system

Transducer Room is divided into upper layer and lower layer by fire-retardant heat insulation type color steel plate, upper layer is hot wind area, lower layer is cold wind Area, heat dissipating layer have abundant space heat elimination, reduce hot gas blocking and the non-uniform phenomenon that radiates, greatly improve heat dissipation Efficiency；Air hose, fire-retardant heat insulation type color steel plate, cold wind import, the hot-blast outlet done using galvanized steel plain sheet constitutes a set of enclosed cooling Wind heat-exchange system, the heat transfer process of room air do not contact substantially with outside air, ensure that the cleanliness of air, play dust-proof Effect, extends the service life of frequency converter.

3) security protection and maintenance attachment

Outdoor air conduit system is equipped with emergency discharge outlet, with thermal wind exhausting of temporarily meeting an urgent need when being used for heat exchange equipment failure, guarantees to become For frequency device not by cooling systematic influence, indoor fire-retardant heat insulation type color steel plate separates reserved access hole, and service personnel can enter heat dissipation Layer carries out maintenance of fan and maintenance work, reduces the maintenance cost in equipment later period.

The characteristics of the utility model and the utility model has the advantages that

1) low energy consumption for system, and operation cost is the 1/3~1/4 of same hot exchange power air-conditioning；

2) system simple installation, quick, equipment is simple, and long service life, maintenance are low；

3) indoor closed cooling, clean hygiene, frequency converter maintenance are low；

4) ventilating and cooling can be used in the case of accident, do not influence equipment operation.

Detailed description of the invention

Fig. 1 is 1 systematic schematic diagram of embodiment.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.

Embodiment 1.

As shown in Figure 1, the cooling down system for frequency conversion room of the present embodiment description, including hot wind area 1 and cold wind area 2, hot wind area 1 and cold wind area 2 are the up-down structures being kept completely separate by fire-retardant heat insulation type color steel plate 3, and hot wind area 1 is in cold wind area 2 Top, frequency-charger cabinet 4 is provided in cold wind area 2, is equipped with to become to be on the point of device and carry ventilation blower 5 at the top of frequency-charger cabinet 4 and is connected to cold wind area 2 With hot wind area 1, the side side wall in the hot wind area 1 is equipped with hot-blast outlet 6, is equipped on the outside of hot-blast outlet 6 and is laterally arranged Beam wind pipe 7, the lower part of beam wind pipe 7 are equipped with perpendicular air hose 8, and the lower end for erecting air hose 8 connects air/water cooler 9, air/water cooler 9 it is cold Wind outlet is connect with the cold wind import 10 in cold wind area 2, and it is closed that the perpendicular air hose 8- air/water cooler 9 of beam wind pipe 7- is sequentially communicated composition Cooling system, and the beam wind pipe 7, perpendicular air hose 8, air/water cooler 9 are arranged at outside cold wind area 2 and hot wind area 1.

Wherein the opening for accommodating frequency-charger cabinet 4, fire-retardant heat insulation type coloured silk steel are equipped between the fire-retardant heat insulation type color steel plate 3 Plate 3 collectively constitutes closed entirety of being isolated with the upper plate of frequency-charger cabinet 4 and separates hot wind area 1 and cold wind area 2, and frequency-charger cabinet 4 Upper plate height be lower than fire-retardant heat insulation type color steel plate 3 upper level, form the radiating area 11 of recess.Fire-retardant heat insulation type Color steel plate 3 is equipped with access hole 12 and is connected to cold wind area 2 and hot wind area 1.One end of the beam wind pipe 7 is connect with hot-blast outlet 6, The other end is equipped with emergency discharge outlet 13, with thermal wind exhausting of temporarily meeting an urgent need when being used for heat exchange equipment failure, guarantees that frequency converter is not cooled down Systematic influence.The air/water cooler 9 is equipped with external circulating cooling water entrance.

When building construction, firstly, calculating calorific value according to the transducer power inside Transducer Room, and dissipating for room is considered Heat increases appropriate surplus, selects the air/water cooler 9 of corresponding cooling capacity.

The height separated up and down and space distribution delimited according to the plane of arrangement of equipment and height, designs demarcation plate, according to Selected 9 size advancing equipment position of air/water cooler, the cold and hot air port of corresponding arrangement, air hose, in order to prevent air water cooling device Heat exchange is uneven, need to be to wind speed, the wind of the air water cooling but inlet and outlet and air hose of system in the air water cooling but design of system The indexs such as pressure are designed calculating；When guaranteeing good row pressure, avoid vibrating and generating heat exchange uneven phenomenon.

Outdoor air conduit carries out the fabrication and installation of air hose using galvanized steel plain sheet, and air hose top sets emergency exhaust outlet, air draft of meeting an urgent need Mouth should be convenient for opening and closing.Design of Cooling System has cooler operation, fault detection capability simultaneously, and cooler reserves a distant place and opens, stops grasping Make interface, water leakage alarm, fan trouble alarm signal are provided.

Claims (5)

1. a kind of cooling down system for frequency conversion room, including hot wind area and cold wind area, it is characterized in that hot wind area and cold wind area It is the up-down structure being kept completely separate by fire-retardant heat insulation type color steel plate, hot wind area is provided in area in the top in cold wind area, cold wind Frequency-charger cabinet, change, which is on the point of device cabinet top portion and is equipped with to become, is on the point of device and carries ventilation blower connection cold wind area and hot wind area, and the one of the hot wind area Side side wall is equipped with hot-blast outlet, and the beam wind pipe being laterally arranged is equipped on the outside of hot-blast outlet, and the lower part of beam wind pipe is equipped with perpendicular air hose, The lower end of perpendicular air hose connects air/water cooler, and the cold wind outlet of air/water cooler is connect with the cold wind import in cold wind area, beam wind pipe- Perpendicular air hose-air/water cooler is sequentially communicated the closed cooling system of composition, and the beam wind pipe, perpendicular air hose, air/water cooler It is arranged at outside cold wind area and hot wind area.

2. the cooling down system according to claim 1 for frequency conversion room, it is characterized in that the fire-retardant heat insulation type is color The upper plate of opening equipped with receiving frequency-charger cabinet between steel plate, fire-retardant heat insulation type color steel plate and frequency-charger cabinet collectively constitutes closing Isolation integrally separate hot wind area and cold wind area, and the height of the upper plate of frequency-charger cabinet is upper lower than fire-retardant heat insulation type color steel plate Apparent height forms the radiating area of recess.

3. the cooling down system according to claim 1 for frequency conversion room, it is characterized in that the fire-retardant heat insulation type is color Steel plate is equipped with access hole connection cold wind area and hot wind area.

4. the cooling down system according to claim 1 for frequency conversion room, it is characterized in that one end of the beam wind pipe It is connect with hot-blast outlet, the other end is equipped with emergency discharge outlet.

5. the cooling down system according to claim 1 for frequency conversion room, it is characterized in that the air/water cooler is It is equipped with external circulating cooling water entrance.