CN217694116U - A kind of inverter cooling device for power plant - Google Patents

Abstract

The utility model discloses a frequency converter cooling device for a power plant, which comprises an air exchange assembly, a first box body, a second box body arranged at the top of the first box body, and a fixed pipe arranged at one side of the first box body and the second box body; and the cooling assembly is arranged on one side of the first box body and comprises a third box body arranged on one side of the first box body, an air inlet pipe arranged on one side of the third box body, a third filter box arranged inside the third box body, a connecting pipe arranged at the bottom of the third filter box, a refrigerator main body arranged at the bottom of the connecting pipe and a fourth communicating pipe arranged on one side of the third box body. The device has solved the converter of power plant because the operation can produce a large amount of heats, leads to the temperature that can improve between the converter, consequently need take cooling measure, if the cooling is untimely can take place the high tripping operation of temperature, influences production safety.

Description

A kind of frequency converter cooling device for power plant

technical field

The utility model relates to the technical field of power plant equipment, in particular to a cooling device for a frequency converter used in a power plant.

Background technique

A power plant refers to a power plant that converts some form of raw energy into electrical energy for fixed facilities or transportation, such as thermal power, hydraulic power, steam, diesel or nuclear power plants, etc. Thermal power generation is the use of thermal energy generated by burning fuel to generate electricity Hydroelectric power generation is to divert high river or lake water to the downstream to form a drop to drive the water turbine to rotate to drive the generator to generate electricity. The power plant that uses the hydroelectric generator set to generate electricity is called a hydroelectric power plant. Nuclear power generation uses the nuclear fuel in the atomic reactor The heat energy released by the slow fission generates steam to drive the steam turbine and then drive the generator to rotate to generate electricity. Generator power generation is called wind power generation, and a power generation site composed of several, dozens or even dozens of wind turbines is called a wind power plant. The frequency converter of the power plant applies frequency conversion technology and microelectronics technology. The power control equipment of the AC motor is controlled by means of a method, and the frequency converter will generate a lot of heat during operation, which will increase the temperature between the frequency converters, and cooling measures need to be taken. If the temperature is not cooled in time, high temperature trips will occur, which will affect production safety.

Utility model content

The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, as well as in the abstract of the specification and the title of the utility model of this application, to avoid obscuring the purpose of this section, the abstract of the specification, and the title of the utility model, and such simplifications or omissions cannot be used to limit the utility model range.

In view of the problems mentioned above and/or in the existing inverter cooling devices for power plants, the utility model is proposed.

Therefore, the problem to be solved by the utility model is that the frequency converter of the power plant uses frequency conversion technology and microelectronics technology to control the power control equipment of the AC motor by changing the frequency mode of the motor's working power supply, and the frequency converter will generate a lot of heat during operation. To increase the temperature between the frequency converters, it is necessary to take cooling measures. If the temperature is not lowered in time, a high temperature trip will occur, which will affect production safety.

In order to solve the above technical problems, the utility model provides the following technical solutions: a cooling device for frequency converters for power plants, which includes an air exchange assembly, including a first box, and a second box arranged on the top of the first box , and a fixed pipe arranged on one side of the first box and the second box; and a cooling assembly, arranged on one side of the first box, including one side of the first box The third box body, the air inlet pipe arranged on one side of the third box body, the third filter box arranged inside the third box body, the connecting pipe arranged at the bottom of the third filter box, and the The main body of the refrigerator at the bottom of the connecting pipe, and the fourth communication pipe arranged on one side of the third box body, one end of the fourth communication pipe communicates with one side of the first box body.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the first box includes a first suction fan arranged inside, and a first suction fan arranged on one side of the first suction fan Exhaust pipe.

As a preferred solution of the inverter cooling device for a power plant in the present invention, wherein: the first box further includes a first exhaust pipe arranged on one side of the first suction fan, and a first exhaust pipe arranged on the side of the The first filter box at one end of the first row of air ducts.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the first box body further includes a first installation block arranged inside the first filter box, and a first installation block arranged in the first Install the first filter plate on the inner wall of the block.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the first box body also includes a first connecting pipe arranged on the top of the first filter box, the first connecting pipe One end communicates with one end of the fixed pipe.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the second box includes a second suction fan disposed inside, and a second suction fan disposed on one side of the second suction fan Exhaust pipe.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the second box body also includes a second exhaust pipe arranged on one side of the second suction fan, and a second exhaust pipe arranged on the side of the The second exhaust pipe and the second filter box at one end of the second exhaust pipe.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the second box body further includes a second connecting pipe arranged on one side of the second filter box, a second communication pipe arranged on the second The third communication pipe on the other side of the filter box, the second installation block arranged inside the second filter box, and the second filter plate arranged on the inner wall of the second installation block.

As a preferred solution of the inverter cooling device for a power plant according to the present invention, wherein: the fixed pipe includes a filter plate arranged inside, and a discharge pipe arranged on one side of the second box.

As a preferred solution of the inverter cooling device for power plants in the present invention, wherein: the third filter box includes a third installation block arranged inside, and a third filter box arranged on the inner wall of the third installation block plate.

The beneficial effects of the utility model are as follows: the utility model can absorb the outside air by setting the air exchange component and the cooling component, and use the high-power cooling facility to perform forced energy conversion and cooling on the air, and the cooled air is transported to the frequency conversion chamber, which is beneficial to the environment. The frequency converter cools down, and at the same time, the hot air in the frequency conversion room is discharged into the outside, which has the effect of changing the air, so that the frequency conversion room is filled with dry, clean, low-temperature, flowing, positive-pressure air, so as to ensure the air demand of the frequency converter room. The frequency converter is more stable during operation.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention , for those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative labor. in:

Figure 1 is a structural diagram of a cooling device for a frequency converter used in a power plant.

Fig. 2 is a structural diagram of a cooling assembly of a cooling device for a frequency converter used in a power plant.

Fig. 3 is a structural diagram of the first box of the inverter cooling device for the power plant.

Fig. 4 is a diagram of the internal structure of the second box of the inverter cooling device for the power plant.

Fig. 5 is an internal structure diagram of the second filter box of the inverter cooling device for power plants.

Detailed ways

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here, and those skilled in the art can do so without violating the connotation of the utility model. Under the circumstances, similar promotion is done, so the utility model is not limited by the specific embodiments disclosed below.

Secondly, "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Example 1

Referring to Fig. 1 to Fig. 5, it is the first embodiment of the present utility model. This embodiment provides a inverter cooling device for a power plant. The inverter cooling device for a power plant includes an air exchange assembly 100 and a cooling assembly 200. The wind assembly 100 and the cooling assembly 200 function to inhale the outside air, use high-power cooling facilities to perform forced energy conversion and cooling of the air, and the cooled air is sent to the frequency conversion room to cool the frequency converter, and at the same time, the heat in the frequency conversion room The air is discharged into the outside to change the air, so that the inverter room is filled with dry, clean, low-temperature, flowing, and positive-pressure air, so as to ensure the air demand of the inverter room and make the inverter more stable during operation.

Specifically, the ventilation assembly 100 includes a first box body 101, a second box body 102 arranged on the top of the first box body 101, and a fixed pipe 103 arranged on one side of the first box body 101 and the second box body 102. . By setting the first box 101, the first box 101 sends the cold air into the inverter room through the fixed pipe 103, and by setting the second box 102, the second box 102 draws the hot air in the inverter room through the fixed pipe 103. And discharged to the outside, so as to achieve the effect of cooling and wind exchange.

Preferably, the cooling assembly 200 is arranged on one side of the first box body 101, and includes a third box body 201 arranged on one side of the first box body 101, an air inlet duct 202 arranged on one side of the third box body 201, The third filter box 203 arranged inside the third box body 201, the connecting pipe 204 arranged at the bottom of the third filter box 203, the refrigerator main body 205 arranged at the bottom of the connecting pipe 204, and the third box body 201 arranged on one side One end of the fourth communication pipe 206 communicates with one side of the first box body 101 . By setting the third box body 201, one side of the third box body 201 is connected with the air inlet pipe 202, and the outside air enters the third filter box 203 inside the third box body 201 through the air inlet pipe 202, and passes through the third filter box 203 to filter the air, the filtered air enters the refrigerator main body 205 through the connecting pipe 204, the air is cooled by the refrigerator main body 205, and the cold air is transported into the first box body 101 through the fourth communication pipe 206, thereby passing through The fixed pipe 103 transports the cold air to the frequency conversion chamber to cool and dissipate the frequency converter.

When in use, by setting the first box body 101, the first box body 101 sends the cold air to the inverter room through the fixed pipe 103, and by setting the second box body 102, the second box body 102 sends the cold air in the inverter room through the fixed pipe 103. The hot air is sucked in and discharged to the outside, so as to achieve the effect of cooling and air exchange. By setting the third box body 201, one side of the third box body 201 is connected with an air inlet pipe 202, and the outside air passes through the air inlet pipe 202 Enter the third filter box 203 inside the third box 201, filter the air through the third filter box 203, remove the dust and impurities in the air, make the air cleaner, and the filtered air enters the refrigerator through the connecting pipe 204 In the main body 205, the air is refrigerated by the refrigerator main body 205, and the cold air is transported into the first box body 101 through the fourth communication pipe 206, so that the cold air is transported to the inverter chamber through the fixed pipe 103, and the inverter is cooled and dissipated.

Example 2

Referring to Fig. 1 to Fig. 5, it is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

Specifically, the first box body 101 includes a first suction fan 101a disposed inside, and a first exhaust pipe 101b disposed on one side of the first suction fan 101a. The first suction fan 101a is provided inside the first box body 101, and the first suction fan 101a sucks the cold air conveyed in the fourth communication pipe 206 through the first suction pipe 101b, so as to speed up the conveying efficiency of cold air.

Preferably, the first box body 101 further includes a first exhaust pipe 101c disposed on one side of the first suction fan 101a, and a first filter box 101d disposed on one end of the first exhaust pipe 101c. The first suction fan 101a sends the cold air to the first filter box 101d through the first exhaust pipe 101c, and the first filter box 101d filters the cold air again to prevent dust from entering the inverter room.

Preferably, the first box body 101 further includes a first installation block 101e arranged inside the first filter box 101d, and a first filter plate 101f arranged on the inner wall of the first installation block 101e. The inside of the first filter box 101d is provided with a first installation block 101e, so as to facilitate the installation of the first filter plate 101f, and filter the cold air entering the first filter box 101d through the first filter plate 101f to remove dust in the cold air and impurities.

Preferably, the first box body 101 further includes a first communication pipe 101g disposed on the top of the first filter box 101d, and one end of the first communication pipe 101g communicates with one end of the fixed pipe 103 . The top of the first filter box 101d is communicated with the first communication pipe 101g, through which the filtered cold air is sent to the fixed pipe 103, and the cold air is sent to the inverter chamber through the fixed pipe 103.

When in use, by setting the first box body 101, the first box body 101 sends the cold air to the inverter room through the fixed pipe 103, and by setting the second box body 102, the second box body 102 sends the cold air in the inverter room through the fixed pipe 103. The hot air is sucked in and discharged to the outside, so as to achieve the effect of cooling and air exchange. By setting the third box body 201, one side of the third box body 201 is connected with an air inlet pipe 202, and the outside air passes through the air inlet pipe 202 Enter the third filter box 203 inside the third box 201, filter the air through the third filter box 203, remove the dust and impurities in the air, make the air cleaner, and the filtered air enters the refrigerator through the connecting pipe 204 In the main body 205, the air is refrigerated through the refrigerator main body 205, and the cold air is transported into the first box body 101 through the fourth communication pipe 206, so that the cold air is transported to the inverter room through the fixed pipe 103, and the inverter is cooled and dissipated. The first suction fan 101a is provided inside the first box body 101, and the first suction fan 101a draws in the cold air conveyed in the fourth communication pipe 206 through the first suction pipe 101b, thereby speeding up the delivery efficiency of the cold air, The first suction fan 101a sends cold air to the first filter box 101d through the first exhaust pipe 101c, and the first filter box 101d filters the cold air again to prevent dust from entering the frequency conversion room. The first filter box 101d is equipped with a first The installation block 101e facilitates the installation of the first filter plate 101f. The cold air entering the first filter box 101d is filtered through the first filter plate 101f to remove dust and impurities in the cold air. The top is communicated with a first communication pipe 101g, through which the filtered cold air is sent into the fixed pipe 103, and through the fixed pipe 103, the cold air is sent into the inverter room.

Example 3

Referring to Figs. 1-5, it is the third embodiment of the present utility model, which is based on the first two embodiments.

Specifically, the second box body 102 includes a second suction fan 102a disposed inside, and a second exhaust duct 102b disposed on one side of the second suction fan 102a. The second suction fan 102a is provided inside the second box body 102, and the suction end of the second suction fan 102a communicates with the second suction pipe 102b.

Preferably, the second box body 102 further includes a second exhaust duct 102c disposed on one side of the second suction fan 102a, and a second filter box 102d disposed at one end of the second exhaust duct 102b and the second exhaust duct 102c . The exhaust end of the second suction fan 102a is connected with a second exhaust pipe 102c, and the second exhaust pipe 102b and one end of the second exhaust pipe 102c are connected with a second filter box 102d.

Preferably, the second box body 102 further includes a second communication pipe 102e arranged on one side of the second filter box 102d, a third communication pipe 102f arranged on the other side of the second filter box 102d, and a third communication pipe 102f arranged on the second filter box 102d. The second installation block 102g inside 102d, and the second filter plate 102h arranged on the inner wall of the second installation block 102g. The second suction fan 102a sucks the hot air in the frequency conversion chamber through the fixed pipe 103, the second exhaust pipe 102b and the second communication pipe 102e, and discharges it into the second filter box 102d, and then passes through the second exhaust pipe 102c. The air is discharged into the second filter box 102d, the air is discharged outside through the third communicating pipe 102f, the second filter plate 102h is installed through the second installation block 102g in the second filter box 102d, and the second filter plate 102h is passed through the second filter plate 102h. Filter the hot air to remove dust and impurities in the hot air, and avoid direct discharge to the outside to cause environmental pollution.

Preferably, the fixed pipe 103 includes a filter plate 103 a disposed inside, and a discharge pipe 103 b disposed on one side of the second box body 102 . The inside of the fixed pipe 103 is provided with a filter screen 103a to filter the air entering and exiting from the fixed pipe 103, and one side of the second box 102 is connected to a discharge pipe 103b to discharge the hot air in the inverter room to the outside.

Preferably, the third filter box 203 includes a third mounting block 203a disposed inside, and a third filter plate 203b disposed on the inner wall of the third mounting block 203a. The inside of the third filter box 203 is provided with a third installation block 203a, and the third filter plate 203b is installed by the third installation block 203a, and the third filter plate 203b filters the air entering the third filter box 203 to remove air dust and impurities, making the air cleaner.

When in use, by setting the first box body 101, the first box body 101 sends the cold air to the inverter room through the fixed pipe 103, and by setting the second box body 102, the second box body 102 sends the cold air in the inverter room through the fixed pipe 103. The hot air is sucked in and discharged to the outside, so as to achieve the effect of cooling and air exchange. By setting the third box body 201, one side of the third box body 201 is connected with an air inlet pipe 202, and the outside air passes through the air inlet pipe 202 Enter the third filter box 203 inside the third box 201, filter the air through the third filter box 203, remove the dust and impurities in the air, make the air cleaner, and the filtered air enters the refrigerator through the connecting pipe 204 In the main body 205, the air is refrigerated through the refrigerator main body 205, and the cold air is transported into the first box body 101 through the fourth communication pipe 206, so that the cold air is transported to the inverter room through the fixed pipe 103, and the inverter is cooled and dissipated. The first suction fan 101a is provided inside the first box body 101, and the first suction fan 101a draws in the cold air conveyed in the fourth communication pipe 206 through the first suction pipe 101b, thereby speeding up the delivery efficiency of the cold air, The first suction fan 101a sends cold air to the first filter box 101d through the first exhaust pipe 101c, and the first filter box 101d filters the cold air again to prevent dust from entering the frequency conversion room. The first filter box 101d is equipped with a first The installation block 101e facilitates the installation of the first filter plate 101f. The cold air entering the first filter box 101d is filtered through the first filter plate 101f to remove dust and impurities in the cold air. The top communicates with a first communication pipe 101g, through which the filtered cold air is delivered to the fixed pipe 103, and through the fixed pipe 103, the cold air is delivered to the inverter room. Two suction fans 102a, the exhaust end of the second suction fan 102a is connected with the second exhaust pipe 102b, the exhaust end of the second suction fan 102a is connected with the second exhaust pipe 102c, the second exhaust pipe 102b and the second row One end of the air pipe 102c is connected with the second filter box 102d, and the second suction fan 102a sucks the hot air in the inverter room through the fixed pipe 103, the second exhaust pipe 102b and the second connecting pipe 102e, and discharges it into the second filter box. In the box 102d, then the air is discharged into the second filter box 102d through the second exhaust pipe 102c, and the air is discharged outside the outside through the third connecting pipe 102f, and the second installation block 102g in the second filter box 102d is used for the second filter box 102d. The second filter plate 102h is installed, and the hot air is filtered through the second filter plate 102h to remove dust and impurities in the hot air, avoiding direct discharge to the outside and causing pollution to the environment. The inside of the fixed pipe 103 is provided with a filter screen plate 103a, The air entering and exiting from the fixed pipe 103 is filtered, and one side of the second box body 102 is communicated with the discharge pipe 103b, and the heat in the inverter room is The air is discharged to the outside, and the inside of the third filter box 203 is provided with a third installation block 203a, and the third filter plate 203b is installed by the third installation block 203a, and the third filter plate 203b controls the air entering the third filter box 203 Filter to remove dust and impurities in the air and make the air cleaner.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the spirit and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. The utility model provides a converter cooling device for power plant which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the air exchange assembly (100) comprises a first box body (101), a second box body (102) arranged at the top of the first box body (101), and a fixed pipe (103) arranged at one side of the first box body (101) and one side of the second box body (102); and the number of the first and second groups,

cooling unit (200), set up in one side of first box (101), including set up in third box (201) of first box (101) one side, set up in air-supply line (202) of third box (201) one side, set up in inside third rose box (203) of third box (201), set up in connecting pipe (204) of third rose box (203) bottom, set up in refrigerator main part (205) of connecting pipe (204) bottom, and set up in fourth communicating pipe (206) of third box (201) one side, the one end of fourth communicating pipe (206) with one side intercommunication of first box (101).

2. The frequency converter cooling device for power plants of claim 1, characterized in that: the first box body (101) comprises a first suction fan (101 a) arranged inside and a first exhaust pipe (101 b) arranged on one side of the first suction fan (101 a).

3. The frequency converter cooling apparatus for power plants of claim 2, wherein: the first box body (101) further comprises a first exhaust pipe (101 c) arranged on one side of the first suction fan (101 a) and a first filter box (101 d) arranged at one end of the first exhaust pipe (101 c).

4. A frequency converter cooling apparatus for a power plant according to claim 3, characterized in that: the first box body (101) further comprises a first mounting block (101 e) arranged inside the first filtering box (101 d), and a first filtering plate (101 f) arranged on the inner wall of the first mounting block (101 e).

5. A frequency converter cooling arrangement for power plants according to claim 3 or 4, characterized in that: first box (101) still including set up in first communicating pipe (101 g) at first rose box (101 d) top, the one end of first communicating pipe (101 g) with the one end intercommunication of fixed pipe (103).

6. A frequency converter cooling device for power plants according to any of claims 1 to 4, characterized in that: the second box body (102) comprises a second suction fan (102 a) arranged inside and a second exhaust pipe (102 b) arranged on one side of the second suction fan (102 a).

7. The frequency converter cooling device for power plants of claim 6, characterized in that: the second box body (102) further comprises a second exhaust pipe (102 c) arranged on one side of the second suction fan (102 a), and a second filter box (102 d) arranged at one end of the second exhaust pipe (102 b) and one end of the second exhaust pipe (102 c).

8. The frequency converter cooling device for power plants of claim 7, characterized in that: the second box body (102) further comprises a second communicating pipe (102 e) arranged on one side of the second filtering box (102 d), a third communicating pipe (102 f) arranged on the other side of the second filtering box (102 d), a second mounting block (102 g) arranged inside the second filtering box (102 d), and a second filtering plate (102 h) arranged on the inner wall of the second mounting block (102 g).

9. The frequency converter cooling device for power plants according to any one of claims 1 to 4, 7 or 8, characterized in that: the fixed pipe (103) comprises a filter screen plate (103 a) arranged inside and a discharge pipe (103 b) arranged on one side of the second box body (102).

10. The frequency converter cooling device for power plants of claim 1, characterized in that: the third filter box (203) comprises a third mounting block (203 a) arranged inside, and a third filter plate (203 b) arranged on the inner wall of the third mounting block (203 a).

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