CN205755214U - A high-frequency power cooling device - Google Patents

Abstract

The utility model discloses a kind of high frequency electric source heat sink, the transformator including casing, being located in casing, electric cabinet, for the wind cooling assembly that transformator is lowered the temperature and oil pump cooling assembly；Being provided with control element in described electric cabinet, this control element realizes face by heat transfer base plate with transformator and contacts；Described wind cooling assembly includes being located at and is opened in the air intake filter mouth of this electric cabinet bottom, is located at the air outlet on this electric cabinet top, axial flow blower and to be located at the aerofluxus on described casing top air-cooled；The oil circuit piping that described oil pump control assembly includes being communicated in oil tank of transformer, the refrigeration oil pump being located on this oil circuit piping and for the cooling fan that the oil flowing through in oil circuit piping is lowered the temperature；Described axial flow blower is used for controlling gas and is entered electric cabinet by air intake filter mouth, and is discharged electric cabinet by air outlet.This utility model is adopted and is combined air-cooled with oil pump refrigeration, assembly can be carried out fast cooling, good cooling effect.

Description

A high-frequency power cooling device

technical field

The utility model belongs to the technical field of dust removal, in particular to a high-frequency power supply cooling device.

Background technique

High frequency power supply is one of the key components of electrostatic precipitator. In the process of dust removal, it is easy to generate a large amount of heat. Therefore, it is usually necessary to cool it while using a high-frequency power supply to avoid damage due to excessive temperature. In the prior art, methods such as natural cooling, wind cooling or water circulation cooling are usually used to dissipate heat from high-frequency power supplies. When the temperature is still too high, the damage is more serious, affecting the work efficiency, and the maintenance cost is relatively high.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a high-frequency power supply cooling device that combines air cooling and oil cooling with double cooling, fast cooling speed, good cooling effect, not easy to damage, and high working efficiency.

Further, in order to achieve the above purpose, the utility model adopts the following technical solutions: a high-frequency power supply cooling device, including a box, a transformer installed in the box, an electric control box, an air cooling component for cooling the transformer and An oil pump cooling assembly; a control element is arranged in the electric control box, and the control element is in surface contact with the transformer through a heat transfer bottom plate; The air outlet on the upper part of the electric control box, the axial flow fan and the exhaust air cooling on the upper part of the box; the oil pump control component includes an oil circulation pipeline connected to the transformer oil tank Refrigerating oil pump and cooling fan used to cool the oil flowing through the oil circulation pipeline; the axial flow fan is used to control the gas entering the electric control box through the air inlet filter, and exhausting the electric control box through the air outlet. The utility model sets two kinds of cooling components, the air cooling component and the oil pump cooling component in the box, and works simultaneously to cool down the heating component, the cooling effect is good, and the time required for lowering to the specified temperature is greatly reduced, saving the cooling operation time-consuming and improve work efficiency; the air inlet filter is set on the lower part of the electric control box, and the air outlet is set on the upper part of the electric control box, so as to effectively control the wind. Carry out orderly circulation, effectively take away the heat on the heat transfer floor in the electric control box, and quickly cool down; the axial flow fan effectively controls the direction of the wind, prevents the wind from running around in the electric control box, and reduces the impact and loss of air; Exhaust air cooling can make the electric control box form a large air-cooling cycle between the outside world, and the heat dissipation is more comprehensive; the oil can flow through the entire box through the oil circulation pipeline, which increases the heat dissipation area, improves the heat dissipation speed, and improves the heat dissipation. The effect is good.

Further, the air inlet filter housing is provided with an air inlet filter.

Further, the side wall of the air inlet filter is provided with snap ring grooves for easy insertion of the air inlet filter.

Furthermore, the heat transfer bottom plate is configured as an aluminum plate, and the heat transfer bottom plate is veneer-connected with the inner wall of the transformer.

To sum up, the utility model has the following advantages: through the combination of the air cooling design and the forced cooling design of the oil pump, the equipment is double refrigerated, the cooling speed is fast, and the cooling effect is good.

Description of drawings

Fig. 1 is a structural schematic diagram one of the utility model.

Fig. 2 is the second structural diagram of the utility model.

Figure 3 is a schematic diagram of the structure of the electric control box.

detailed description

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model.

As shown in Figure 1-3, a high-frequency power supply cooling device includes a box body 1, a transformer disposed in the box body 1, an electric control box 2, an air cooling component and an oil pump cooling component for cooling the transformer; The dual cooling operation of the equipment is realized through the air cooling component and the oil pump cooling component, and the cooling speed is fast and the effect is good.

Specifically, the electric control box 2 is provided with a control element, and the control element is in surface contact with the transformer through the heat transfer bottom plate 21; the control element includes two high-power IGBTs and a three-phase positive rectifier bridge, the three-phase The positive rectifier bridge is connected to the heat transfer bottom plate, and the heat can be quickly transferred to the bottom plate through the contact of the oil surface between the heat transfer bottom plate and the inner wall of the transformer, so as to realize rapid heat dissipation; the heat transfer bottom plate 21 is made of aluminum plate. The air cooling assembly includes an air inlet filter 22, an air outlet 23, an axial flow fan, and an exhaust air cooler 24; the air inlet filter 22 is arranged at the lower position of the side of the electric control box 2, which is the same as that in this embodiment , the air intake filter port 22 is provided with an air intake filter screen 25, in order to facilitate the exchange of the air intake filter screen 25, we have provided a ring groove on the side wall of the air intake filter port 22, the air intake filter screen 25 Embedded in the snap ring groove during connection, so that the air inlet filter screen 25 is easy to take out, and the air inlet filter screen 25 is replaced; the air outlet 23 is located at the upper position of the electric control box 2, specifically, the There are two air outlets 23, both of which are arranged on the top of the electric control box 2; the axial flow fan is arranged in the air outlet 23, and the gas enters the electric control box from the air inlet filter 22 through the control of the axial flow fan 2, and the electric control box 2 is discharged from the air outlet 23, so that the wind forms an orderly circulation in the electric control box, and the temperature in it is taken away and discharged from the electric control box; the exhaust air cooling 24 is located at the The upper part of the box body 1 is respectively arranged on the left and right sides of the upper part of the box body; when the gas is discharged from the small circulation in the electric control box, it is exhausted to the outside through the exhaust air cooling to form a large circulation, and the air flow is carried out in the outside world. Circular cooling, the cooling effect is good, and rapid cooling can be achieved.

The oil pump control assembly includes an oil circulation pipeline 31, a refrigeration oil pump 32 and a cooling fan 33; the oil circulation pipeline 31 is connected to the transformer oil tank, and the refrigeration oil pump 3 is arranged on the oil circulation pipeline 31 for opening the oil circulation pipe The oil circulation of the pipeline 31; the heat dissipation fan 33 is arranged at the side of the box to cool down the oil flowing through the oil circulation pipeline 31; when it is detected that the temperature of the transformer oil is too high, the oil pump is turned on; thereby generating The pressure makes the oil circulation pipeline 31 start to enter the oil, and the transformer oil flows from the top of the transformer oil tank on the left side to the bottom of the transformer on the right side in sequence; the cooling fan on the left side and the cooling fan on the right side are used to cool down during the flow process, so as to realize the cooling effect of the transformer. Oil pump refrigeration for internal circulation.

Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

Claims (4)

1. A high-frequency power supply cooling device, including a box body (1), a transformer installed in the box body (1), an electric control box (2), an air cooling component and an oil pump cooling component for cooling the transformer; It is characterized in that: the electric control box (2) is provided with a control element, and the control element realizes surface contact with the transformer through the heat transfer bottom plate (21); The air inlet filter (22), the air outlet (23) on the upper part of the electric control box (2), the axial flow fan and the exhaust air cooling (24) on the upper part of the box (1); The above-mentioned oil pump control assembly includes an oil circulation pipeline (31) connected to the transformer oil tank, a refrigeration oil pump (32) installed on the oil circulation pipeline (31), and a pump for convection of the oil flowing through the oil circulation pipeline (31). A heat dissipation fan (33) for cooling; the axial flow fan is used to control gas entering the electric control box (2) through the air inlet filter (22), and exhausting the electric control box (2) through the air outlet (23). 2. The high-frequency power supply cooling device according to claim 1, characterized in that: the air inlet filter (22) is covered with an air inlet filter (25). 3. A cooling device for a high-frequency power supply according to claim 2, characterized in that: the side wall of the air inlet filter (22) is provided with a snap ring groove for the insertion of the air inlet filter (25). 4. The high-frequency power supply cooling device according to claim 1, characterized in that: the heat transfer bottom plate (21) is set as an aluminum plate, and the heat transfer bottom plate (21) is veneer-connected with the inner wall of the transformer.