CN216794626U

CN216794626U - Industrial active filter

Info

Publication number: CN216794626U
Application number: CN202123319505.9U
Authority: CN
Inventors: 张勇迁
Original assignee: Shenzhen Enjoy Technology Co ltd
Current assignee: Shenzhen Enjiu Technology Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-21
Anticipated expiration: 2031-12-27

Abstract

In the industrial active filter proposed by the utility model, a fan, a baffle, a first air duct and a second air duct are arranged in the casing. The fan and the baffle are fixedly installed in the casing and connected together. The duct and the second air duct are located on both sides of the partition, respectively. The casing is also provided with a first air inlet and a first air outlet. The fan is provided with a second air inlet and a second air outlet. The first air inlet is located in the casing. The top is facing the second air inlet, the first air outlet is located on the top of the casing, the second air outlet is connected to the first air duct, and the second air duct is provided with a plurality of protective covers, the protective covers are used to isolate dust. The first air duct and the second air duct of the industrial active filter cooperate with the heat dissipation effect of the fan, fan and radiator, and the heat dissipation performance is good. It is difficult to cause damage to the important precision components in the second air duct, which greatly improves the service life of the machine, thereby reducing the maintenance and use costs.

Description

Industrial active filter

Technical Field

The utility model relates to the technical field of electronic power equipment, in particular to an industrial active filter.

Background

The active power filter is a novel power electronic device for dynamically inhibiting harmonic waves and compensating reactive power, can compensate harmonic waves with variable sizes and frequencies and variable reactive power, overcomes the defects of traditional harmonic wave inhibition and reactive power compensation methods such as an LC filter and the like, realizes dynamic tracking compensation, and can compensate both harmonic waves and reactive power.

The existing active power filter is difficult to stably operate for a long time in some severe working environments, for example, the active power filter works in the environment with more conductive dust and dust, and a machine can be influenced by the dust under the environment with more conductive dust and dust to cause short circuit of an electric wire or can be influenced by high temperature in the environment with higher temperature to cause reduction of the performance of the machine. The service life of machines working in these environments is generally shorter than that of the machines working in normal working environments, the machines are easy to report faults in severe environments, once the machines report the faults, personnel are required to go to the site to solve the problems, and the labor cost and the maintenance cost are greatly increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides an industrial active filter.

The utility model is realized by the following technical scheme:

the utility model provides an industrial active filter, which comprises a shell, wherein a fan, a partition plate, a first air duct and a second air duct are arranged in the shell, the fan and the partition plate are fixedly arranged in the shell and are connected together, the first air duct and the second air duct are respectively positioned at two sides of the partition plate, the shell is also provided with a first air inlet and a first air outlet, the fan is provided with a second air inlet and a second air outlet, the first air inlet is positioned on the shell and is over against the second air inlet, the first air outlet is positioned at the top of the shell, the second air outlet is communicated with the first air duct, and the second air duct is provided with a first protective cover and a second protective cover.

Furthermore, a radiator and an inductor are arranged on the first air duct, and the radiator and the inductor are installed on the partition plate.

Furthermore, the first air duct is further provided with a main contactor, a fuse wire and a conductive copper bar, and the main contactor and the fuse wire are fixed together through the conductive copper bar.

Further, the second wind channel is equipped with filter and a plurality of fan, the filter is installed the bottom in second wind channel, the position of fan is close to in first air outlet.

Furthermore, a transformer and an alternating current capacitor are arranged on the second air duct, and the transformer and the alternating current capacitor are installed on the partition plate.

Furthermore, a bus capacitor and an IGBT module are arranged on the second air duct, and the bus capacitor and the IGBT module are installed on the partition plate.

Further, a laminated busbar is arranged on the second air duct, the laminated busbar is installed on the bus capacitor, and a first protective cover is installed on the IGBT module.

Furthermore, a controller is arranged on the second air duct and is installed on the partition plate.

Further, a second protective cover is installed on the controller.

Furthermore, a discharge resistor is arranged on the second air duct and is arranged on the partition board close to the first air outlet.

The utility model has the beneficial effects that:

according to the industrial active filter provided by the utility model, the first air channel and the second air channel are arranged in the shell and matched with the action of the fan, the fan and the radiator, so that the flowability of air in the industrial active filter is very smooth, the heat dissipation performance is good, meanwhile, the second air channel is also provided with the filter plate and the two protective covers, so that dust is difficult to damage important precise devices in the second air channel, the service life of the industrial active filter is greatly prolonged, and the maintenance and use cost is reduced.

Drawings

Fig. 1 is a perspective view of an industrial type active filter according to the present invention;

fig. 2 is a schematic diagram of an internal structure of an industrial active filter according to the present invention;

fig. 3 is a schematic diagram of the internal structure of an industrial-type active filter according to another aspect of the present invention;

fig. 4 is a schematic cross-sectional view of an industrial active filter according to the present invention.

Detailed Description

In order to more clearly and completely describe the technical scheme of the utility model, the utility model is further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides an industrial active filter, including a housing 3, where the housing 3 is provided with a fan 11, a partition plate 30, a first air duct 1 and a second air duct 2, the fan 11 and the partition plate 30 are fixedly installed in the housing 3 and connected together, the first air duct 1 and the second air duct 2 are respectively located at two sides of the partition plate 30, the housing 3 is further provided with a first air inlet 31 and a first air outlet 32, the fan 11 is provided with a second air inlet 111 and a second air outlet 112, the first air inlet 31 is located at a position on the housing 3 opposite to the second air inlet 111, the first air outlet 32 is located at a top of the housing 3, the second air outlet 112 is communicated with the first air duct 1, and the second air duct 2 is provided with a first protective cover 260 and a second protective cover 280.

In this embodiment, the partition board 30 divides the space in the housing 3 into the first air duct 1 and the second air duct 2, the housing 3 is further provided with a first air inlet 31 and a first air outlet 32, the fan 11 in the housing 3 is provided with a second air inlet 111 and a second air outlet 112, and air can enter from the first air inlet 31, flow into the first air duct 1 through the fan 11, flow out from the first air outlet 32, and also flow into the second air duct 2 from the first air inlet 31, and flow out through the fan 22 and the second air outlet 112. The second air duct 2 is provided with a first protective cover 260 and a second protective cover 280 to protect the precision components therein.

The first air duct 1 is provided with a radiator 12 and an inductor 13, and the radiator 12 and the inductor 13 are mounted on the partition plate 30. The first air duct 1 is further provided with a main contactor 14, a fuse 15 and a conductive copper bar 16, and the main contactor 14 and the fuse 15 are fixed together through the conductive copper bar 16.

In this embodiment, the heat sink 12 and the inductor 13 in the first air duct 1 are mounted on the partition board 30, and the main contactor 14 and the fuse 15 on the first air duct 1 are fixed together by the copper conductive bar 16.

The second air duct 2 is provided with a filter plate 21 and a plurality of fans 22, the filter plate 21 is installed at the bottom end of the second air duct 2, and the fans 22 are located close to the first air outlet 32. A transformer 23 and an alternating current capacitor 24 are arranged on the second air duct 2, and the transformer 23 and the alternating current capacitor 24 are mounted on the partition plate 30. And a bus capacitor 25 and an IGBT module 26 are arranged on the second air duct 2, and the bus capacitor 25 and the IGBT module 26 are arranged on the partition board 30. Be equipped with the female 27 of stromatolite on the second wind channel 2, the female 27 of stromatolite is arranged in install on the bus-bar electric capacity 25, install first protection casing 260 on the IGBT module 26. The second air duct 2 is provided with a controller 28, and the controller 28 is installed on the partition board 30. A second shield 280 is mounted to the controller 28. The second air duct 2 is provided with a discharge resistor 29, and the discharge resistor 29 is arranged on the partition board 30 near the first air outlet 32.

In the present embodiment, the filter plate 21, the fan 22, the transformer 23, the ac capacitor 24, the bus capacitor 25, the IGBT module 26, the laminated bus bar 27, the controller 28, and the discharge resistor 29 are mounted in the second air duct 2. In the industrial type active filter, these relatively important components are installed in the second air duct 2, filter cotton for filtering air is installed on the filter plate 21, a first protective cover 260 is installed on the IGBT module 26, and a second protective cover 280 is installed on the controller 28, so that the important precision components in the second air duct 2 are not damaged by substances such as conductive dust in the air. The fan 22 can make the air in the second air duct 2 flow more smoothly, so that the heat in the second air duct 2 can be freely dissipated with the air.

Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.

Claims

1. The utility model provides an industrial type active filter, contains the casing, its characterized in that, be equipped with fan, baffle, first wind channel and second wind channel in the casing, the fan with baffle fixed mounting just link together in the casing, first wind channel with the second wind channel is located respectively the both sides of baffle, still be equipped with first air intake and first air outlet on the casing, the fan is equipped with second air intake and second air outlet, first air intake is located just right on the casing the position of second air intake, first air outlet is located the top of casing, second air outlet intercommunication first wind channel, the second wind channel is equipped with first protection casing and second protection casing.

2. The industrial active filter of claim 1, wherein the first air duct has a heat sink and an inductor, and the heat sink and the inductor are mounted on the partition.

3. The industrial active filter of claim 1, wherein the first air duct further comprises a main contactor, a fuse wire and a copper conductive bar, and the main contactor and the fuse wire are fixed together by the copper conductive bar.

4. The industrial active filter of claim 1, wherein the second air duct is provided with a filter plate and a plurality of fans, the filter plate being mounted at a bottom end of the second air duct, the fans being located close to the first air outlet.

5. The industrial type active filter according to claim 1, wherein a transformer and an ac capacitor are provided on the second air duct, and the transformer and the ac capacitor are mounted on the partition plate.

6. The industrial active filter according to claim 1, wherein a bus capacitor and an IGBT module are arranged on the second air duct, and the bus capacitor and the IGBT module are mounted on the partition plate.

7. The industrial active filter according to claim 6, wherein a laminated busbar is arranged on the second air duct, the laminated busbar is mounted on the bus capacitor, and a first protective cover is mounted on the IGBT module.

8. The industrial active filter of claim 1, wherein a controller is disposed on the second air duct, the controller being mounted on the partition.

9. The industrial active filter of claim 8, wherein the controller has a second shield mounted thereon.

10. The industrial active filter according to claim 1, wherein a discharge resistor is disposed on the second air duct, and the discharge resistor is disposed on the partition board at a position close to the first air outlet.