CN210444712U

CN210444712U - Ventilating water-cooled frequency converter

Info

Publication number: CN210444712U
Application number: CN201921212747.8U
Authority: CN
Inventors: 郑斐灿; 彭利生; 赖湛泉
Original assignee: Dongguan Greyearn Electric Technology Co ltd
Current assignee: Dongguan Greyearn Electric Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-05-01
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a ventilative water-cooled converter, it includes the converter box, the converter body, filter screen post and cold water storage cistern, has seted up first card hole on the first baffle, has seted up second card hole on the second baffle, and outside filter screen post passed first card hole and the setting of second card hole and extended to the converter box, the filter screen post was provided with the water-cooling body in the post, and the water-cooling body is provided with inlet tube and outlet pipe, inlet tube and outlet pipe respectively with the cold water storage cistern intercommunication, be provided with the water pump on the cold water storage cistern. The utility model discloses a set up first baffle and second baffle in the converter box, the cooperation extends to the converter box lateral surface after passing first baffle and second baffle with the filter screen post, guarantees the circulation of the inside and outside both sides air of converter box; the water-cooling pipe body is arranged in the filter screen column, and the cold water source is guided through the water-cooling pipe body to cool the environment in the second cavity, so that the service life of the frequency converter body is effectively prolonged.

Description

Ventilating water-cooled frequency converter

Technical Field

The utility model belongs to the technical field of the converter technique and specifically relates to a ventilative water-cooled converter is related to.

Background

The frequency converter is applied to a frequency conversion technology and a microelectronic technology, and controls electric control equipment of an alternating current motor in a mode of changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a frequency converter shell, and a rectifying unit (converting alternating current into direct current), a filtering unit, an inverting unit (converting direct current into alternating current), a braking unit, a driving unit, a detection unit, a micro-processing unit and the like in the shell. The frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off the internal IGBT module, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is widely applied and basically belongs to places with electricity.

Because the converter relates to extensively, under the converter was applied to various environmental conditions, the converter need dispel the heat at the during operation, how to reduce converter operational environment temperature becomes the problem that needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a breathable water-cooled frequency converter aiming at the defects of the prior art, so as to reduce the temperature of the working environment of the frequency converter and effectively prolong the service life of the frequency converter.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a breathable water-cooled frequency converter comprises a frequency converter box body, a frequency converter body, a filter screen column and a cold water tank, wherein a first partition plate and a second partition plate are arranged in the frequency converter box body, the first partition plate is arranged at the upper end part of the inner side of the frequency converter box body, the second partition plate is arranged at the lower end part of the inner side of the frequency converter box body, the frequency converter box body is sequentially divided into a first cavity, a second cavity and a third cavity from top to bottom by the first partition plate and the second partition plate respectively, and the frequency converter body is arranged in the second cavity;

the improved water-cooling water tank is characterized in that a first clamping hole is formed in the first partition plate, a second clamping hole is formed in the second partition plate, the filter screen column penetrates through the first clamping hole and the second clamping hole and extends to the outer side face of the frequency converter box body, a water-cooling pipe body is arranged in the filter screen column, the water-cooling pipe body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe are communicated with the cold water tank respectively, the cold water tank is arranged on one side of the frequency converter box body, and a water pump is arranged on the.

In one embodiment, the filter screen column comprises a base column and extension columns, the base column is arranged through the first clamping hole and the second clamping hole, the extension columns are arranged at two ends of the base column, and the extension columns extend to the outer side face of the frequency converter box body.

In one embodiment, the water-cooling pipe body is arranged in the filter screen column in an S shape.

In one embodiment, the air conditioner further comprises an exhaust fan, wherein the first partition plate is provided with an air vent, and the exhaust fan is clamped and arranged on the inner wall of the air vent.

In one embodiment, a filter screen plate is arranged below the exhaust fan.

In one embodiment, the upper left end of the frequency converter box body is provided with an air outlet communicated with the first cavity.

In one embodiment, a temperature sensor is disposed within the second chamber.

In one embodiment, the filter screen column is a sponge column construction.

To sum up, the breathable water-cooled frequency converter of the utility model ensures the air circulation inside and outside the frequency converter box by arranging the first partition plate and the second partition plate in the frequency converter box and extending the filter screen column to the outer side surface of the frequency converter box after passing through the first partition plate and the second partition plate in a matching way; the water-cooling pipe body is arranged in the filter screen column, and the cold water source is guided through the water-cooling pipe body to cool the environment in the second cavity, so that the service life of the frequency converter body is effectively prolonged.

Drawings

Fig. 1 is a schematic structural view of the breathable water-cooled frequency converter of the present invention.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1, the utility model discloses ventilative water-cooled converter includes converter box 10, converter body 20, exhaust fan 30, filter screen post 40 and cold water storage cistern 50, be provided with first baffle 11 and second baffle 12 in the converter box 10, first baffle 11 sets up at the inboard upper end of converter box 10, second baffle 12 sets up tip under converter box 10 inboard, first baffle 11 and second baffle 12 are separated converter box 10 from last to separating in proper order down for first cavity 13, second cavity 14 and third cavity 15 respectively, converter body 20 is arranged in second cavity 14, specifically, converter body 20 is fixed on converter box 10 inside wall.

The first partition plate 11 is provided with an air vent, the exhaust fan 30 is clamped and arranged on the inner wall of the air vent, and the filter screen plate 60 is attached to the lower portion of the exhaust fan 30 to prevent impurities in the outside air from entering the second chamber 14 through the first chamber 13 and affecting the use effect of the frequency converter body 20.

The upper left end of the frequency converter box body 10 is provided with an air outlet 16 communicated with the first cavity 13, and the exhaust fan 30 guides hot air in the second cavity 14 into the first cavity 13 and then exhausts the hot air through the air outlet 16 so as to reduce the temperature of the working environment of the frequency converter body 20.

Still seted up first card hole on the first baffle 11, the second card hole has been seted up on the second baffle 12, first card hole is arranged in directly over the second card hole, filter screen post 40 passes first card hole and second card hole setting and extends to converter box 10 lateral surface, specifically, filter screen post 40 includes pillar 41 and extension post 42, pillar 41 passes first card hole and second card hole setting, extension post 42 sets up at pillar 41 both ends, extension post 42 extends to converter box 10 lateral surface to make second cavity 14 pass through filter screen post 40 and converter box 10 outside intercommunication, guarantee the circulation of the interior outer air of converter box 10.

A water-cooling pipe body 70 is arranged in the filter screen column 40, the water-cooling pipe body 70 is arranged in the filter screen column 40 in an S shape, the water-cooling pipe body 70 is provided with a water inlet pipe 71 and a water outlet pipe 72, the water inlet pipe 71 and the water outlet pipe 72 are respectively communicated with the cold water tank 50, the cold water tank 50 is arranged on one side of the frequency converter box body 10, a water pump 80 is arranged on the cold water tank 50, and the water pump 80 is used for circulating a cold water source in the cold water tank 50 in the water-cooling pipe body 70, so that the ambient temperature in the second chamber 14 can be conveniently cooled; specifically, the cold water source is guided from the cold water tank 50 to the water inlet pipe 71 by the water pump 80, enters the filter screen column 40 through the water inlet pipe 71, exchanges heat with the hot air in the second chamber 14, and reenters the cold water tank 50 through the water outlet pipe 72.

In one embodiment, the filter screen column 40 is a sponge column structure, and is used for isolating impurities in the air outside the converter box 10 from the converter body 20 inside the converter box 10, and simultaneously providing a supporting function for the water-cooling pipe body 70, so as to ensure the stability of fixing the water-cooling pipe body 70.

In one embodiment, the water-cooled tube 70 is disposed near the edge of the filter screen column 40 to more efficiently cool the hot air in the inverter box 10.

In one embodiment, a temperature sensor 90 is disposed in the second chamber 14, the temperature sensor 90 is fixedly disposed on the first partition plate 11, the temperature sensor 90 is configured to sense an ambient temperature in the second chamber 14, and when the ambient temperature in the second chamber 14 is higher than a set value, the water pump 80 is turned on to deliver a cold water source through the water-cooling pipe 70, so as to cool the temperature in the second chamber 14; when the temperature in the second cavity 14 is less than the setting value, can open exhaust fan 30 alone, the hot-air guide who sends out in the second cavity 14 through exhaust fan 30 has improved the functional of product greatly, cools down the environment of converter body 20 more high-efficiently, effectively improves the life of converter body 20.

To sum up, the breathable water-cooled frequency converter of the utility model ensures the air circulation inside and outside the frequency converter box body 10 by arranging the first partition plate 11 and the second partition plate 12 in the frequency converter box body 10 and extending the filter screen post 40 to the outer side surface of the frequency converter box body 10 after passing through the first partition plate 11 and the second partition plate 12; and then, the water-cooling pipe body 70 is arranged in the filter screen column 40, and the cold water source is guided and sent through the water-cooling pipe body 70 so as to cool the environment in the second cavity 14, so that the service life of the frequency converter body 20 is effectively prolonged.

The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in detail and specific, but not intended to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A ventilative water-cooled converter which characterized in that: the water-cooled power converter comprises a frequency converter box body, a frequency converter body, a filter screen column and a cold water tank, wherein a first partition plate and a second partition plate are arranged in the frequency converter box body, the first partition plate is arranged at the upper end part of the inner side of the frequency converter box body, the second partition plate is arranged at the lower end part of the inner side of the frequency converter box body, the frequency converter box body is sequentially divided into a first cavity, a second cavity and a third cavity from top to bottom by the first partition plate and the second partition plate respectively, and the frequency converter body is arranged in the second;

2. The breathable water-cooled frequency converter according to claim 1, characterized in that: the filter screen post includes the pillar and extends the post, the pillar passes first card hole and the setting of second card hole, it sets up at the pillar both ends to extend the post, it extends to converter box lateral surface to extend the post.

3. The breathable water-cooled frequency converter according to claim 1 or 2, characterized in that: the water-cooling pipe body is arranged in the filter screen column in an S shape.

4. The breathable water-cooled frequency converter according to claim 1 or 2, characterized in that: still include the exhaust fan, the air vent has been seted up on the first baffle, the exhaust fan card is held and is set up on the air vent inner wall.

5. The breathable water-cooled frequency converter according to claim 4, characterized in that: and a filter screen plate is arranged below the exhaust fan.

6. The breathable water-cooled frequency converter according to claim 4, characterized in that: and the upper left end of the frequency converter box body is provided with an air outlet communicated with the first cavity.

7. The breathable water-cooled frequency converter according to claim 1 or 2, characterized in that: and a temperature sensor is arranged in the second chamber.

8. The breathable water-cooled frequency converter according to claim 1 or 2, characterized in that: the filter screen column is in a sponge column structure.