CN216136860U - Special filter for cooling system of high-voltage frequency converter - Google Patents
Special filter for cooling system of high-voltage frequency converter Download PDFInfo
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- CN216136860U CN216136860U CN202122150817.5U CN202122150817U CN216136860U CN 216136860 U CN216136860 U CN 216136860U CN 202122150817 U CN202122150817 U CN 202122150817U CN 216136860 U CN216136860 U CN 216136860U
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- lower shell
- air outlet
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Abstract
The utility model discloses a special filter for a cooling system of a high-voltage frequency converter, which comprises an external shell consisting of an upper shell and a lower shell; the upper shell and the lower shell are internally provided with an upper cavity and a lower cavity which are communicated with each other respectively; a drawer is arranged in the upper chamber; a detachable filter is arranged in the drawer; the front surface of the upper shell is provided with an upper shell air inlet; the rear surface of the lower shell is provided with a lower shell air outlet; and a cleaning mechanism and a dust collection mechanism are arranged at the air outlet of the lower shell in the lower cavity. The utility model achieves the purpose of fast and convenient filter replacement by arranging the drawer in the upper cavity and arranging the detachable active carbon filter in the drawer; simultaneously the cavity is located casing air outlet department under and sets up and cleans mechanism and dust absorption mechanism, can effectively, clean automatically, detach the inside tiny dust particle of absorption casing air outlet under, and air filter is effectual, has ensured the stability and the reliability of high-voltage inverter operation.
Description
Technical Field
The utility model relates to the technical field of filters, in particular to a special filter for a cooling system of a high-voltage frequency converter.
Background
In the high-voltage inverter cooling system in the prior art, heat exchange is carried out through the circulating flow of air in a cabinet of the high-voltage inverter and external ambient air, so that the effects of cooling and cooling the inverter are achieved; in the process, air sucked into the high-voltage inverter cabinet from the external environment needs to be filtered to remove moisture, dust and other impurities in the air, so that the dust or water is prevented from influencing the inside of the high-voltage inverter.
However, due to the structural arrangement limitation of the filtering device in the prior art, the filter cannot be replaced conveniently and rapidly, and the filter replacement time cannot be accurately mastered, so that the quality of air entering the inside of the frequency converter cabinet is influenced; in addition, after the filtering device is used for a long time, fine dust particles are easily adsorbed on the filtering net at the air outlet of the filtering device, the fine dust particles not only influence the air inlet effect, but also easily enter the cabinet of the high-voltage frequency converter, and are adsorbed on core circuit elements to influence the performance and the heat dissipation effect of the high-voltage frequency converter.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a special filter for a cooling system of a high-voltage frequency converter, wherein an external shell consisting of an upper shell and a lower shell is detachably and hermetically connected with a cabinet body of the high-voltage frequency converter, and a drawer is arranged in an upper cavity and is internally provided with a detachable activated carbon filter, so that the filter can be replaced quickly and conveniently; simultaneously the cavity is located casing air outlet department under and sets up and cleans mechanism and dust absorption mechanism, can effectively, clean automatically, detach the inside tiny dust particle of absorption casing air outlet under, has promoted the filter effect to the air greatly, has ensured the stability and the reliability of high-voltage inverter operation.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a special filter for a cooling system of a high-voltage frequency converter comprises an external shell which is detachably and hermetically connected with the front surface of a cabinet body of the high-voltage frequency converter; the external shell comprises an upper shell and a lower shell which are distributed from top to bottom; the upper shell and the lower shell are internally provided with an upper cavity and a lower cavity which are communicated with each other respectively;
a drawer capable of moving up and down relative to the upper shell is arranged in the upper cavity; the upper surface of the upper shell is provided with an opening matched with the drawer; a detachable filter is arranged in the drawer; the front surface of the upper shell is provided with an upper shell air inlet communicated with the upper cavity;
the rear surface of the lower shell is provided with a lower shell air outlet which is tightly connected with an air inlet of the high-voltage frequency converter cabinet; a cleaning mechanism is arranged at the air outlet of the lower shell in the lower cavity; and a dust suction mechanism is arranged below the cleaning mechanism.
Preferably, the sweeping mechanism comprises a driver, a guide rail pair, a sliding block, a sliding plate and a threaded rod; the guide rail pair comprises a left guide rail and a right guide rail which are symmetrically arranged; the left guide rail and the right guide rail are positioned at the left side and the right side of the air outlet of the lower shell; the two sliding blocks are respectively connected with the left guide rail and the right guide rail in a sliding manner; the threaded rod is positioned in the left guide rail and is arranged in parallel with the left guide rail; one end of the threaded rod penetrates through the threaded hole of the sliding block and then is in threaded connection with the inner side of one end of the left guide rail, and the other end of the threaded rod penetrates through the outer side of the left guide rail and then is connected with a driving shaft of the driver;
the sliding plate is perpendicular to the guide rail pair, and two ends of the sliding plate are fixedly connected with the sliding block respectively; the surface of one side of the sliding plate facing the air outlet of the lower shell is provided with cleaning brushes which are uniformly distributed from left to right; the driver is started to drive the threaded rod to rotate, so that the sliding plate, the sliding block and the sweeping brush integrally slide up and down relative to the guide rail pair.
Preferably, the dust collection mechanism comprises a dust collection cover in a rectangular structure, a connecting pipe and an air pump; the dust hood is horizontally arranged at the lower side of the air outlet of the lower shell; the dust hood extends from the left side to the right side of the air outlet of the lower shell; the air pump is arranged on the outer side of the lower shell; the dust hood is connected with the air pump through a connecting pipe.
Preferably, a humidity sensor is arranged at the joint of the upper chamber and the lower chamber; and a dust concentration sensor is arranged on the outer side of the air outlet of the lower shell.
Preferably, the filter is an activated carbon filter.
Preferably, an air inlet grid is arranged on the air inlet of the upper shell; and a filter screen is arranged on the air outlet of the lower shell.
Preferably, a sealing layer is arranged at the connection part of the drawer and the opening.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model adopts the external shell composed of the upper shell and the lower shell to be detachably and hermetically connected with the high-voltage inverter cabinet body, and achieves the purpose of quickly and conveniently replacing the filter by arranging the drawer in the upper cavity and arranging the detachable active carbon filter in the drawer; simultaneously the cavity is located casing air outlet department under and sets up and cleans mechanism and dust absorption mechanism, can effectively, clean automatically, detach the inside tiny dust particle of absorption casing air outlet under, has promoted the filter effect to the air greatly, has ensured the stability and the reliability of high-voltage inverter operation.
2. Set up humidity transducer at last cavity and lower cavity junction, through humidity transducer monitoring inflow lower cavity air's humidity to can be according to the accurate time of holding the filter change of humidity value, and set up dust concentration sensor in the outside of casing air outlet down, through dust concentration sensor monitoring from the dust concentration of casing air outlet exhaust air down, clean mechanism and dust absorption mechanism according to dust concentration value control, in order to realize detaching the tiny dust particle in the filter cavity.
Drawings
Fig. 1 is a schematic perspective view of the present invention installed on a cabinet of a high voltage inverter;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is a schematic view of the cross-sectional structure B-B in FIG. 3;
wherein: the device comprises an external shell 1, an upper shell 2, a lower shell 3, a drawer 4, a filter 5, a cleaning mechanism 6, a dust collection mechanism 7, a humidity sensor 8, a dust concentration sensor 9, an air inlet grid 10, a filter screen 11, an upper chamber 21, an upper shell air inlet 22, an opening 23, a lower chamber 31, a lower shell air outlet 32, a driver 61, a guide rail pair 62, a sliding block 63, a sliding plate 64, a threaded rod 65, a cleaning brush 66, a dust collection cover 71, a connecting pipe 72, an air pump 73, a high-voltage inverter cabinet 100, a left guide rail 621 and a right guide rail 622.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," "front," "rear," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model will be further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1 to 4, a filter dedicated for a cooling system of a high-voltage inverter comprises an external casing 1 detachably and hermetically connected to the front surface of a cabinet 100 of the high-voltage inverter; the external shell 1 comprises an upper shell 2 and a lower shell 3 which are distributed from top to bottom; an upper cavity 21 and a lower cavity 31 which are communicated with each other are respectively arranged in the upper shell 2 and the lower shell 3;
a drawer 4 which can move up and down relative to the upper shell 2 is arranged in the upper cavity 21; the upper surface of the upper shell 2 is provided with an opening 23 matched with the drawer 4; a detachable filter 5 is arranged in the drawer 4; the front surface of the upper shell 2 is provided with an upper shell air inlet 22 communicated with the upper cavity 21;
the rear surface of the lower shell 3 is provided with a lower shell air outlet 32 which is tightly connected with an air inlet of the high-voltage frequency converter cabinet 100; a cleaning mechanism 6 is arranged in the lower cavity 31 at the air outlet 32 of the lower shell; and a dust suction mechanism 7 is arranged below the cleaning mechanism 6.
In this embodiment, the upper casing 2 and the filter 5 are arranged in a drawer-type structure, so that the filter 5 can be replaced quickly and effectively in a relatively rightward technology without using an additional tool.
Further, the cleaning mechanism 6 comprises a driver 61, a guide rail pair 62, a slide block 63, a slide plate 64 and a threaded rod 65; the guide rail pair 62 comprises a left guide rail 621 and a right guide rail 622 which are symmetrically arranged; the left guide rail 621 and the right guide rail 622 are positioned at the left and right sides of the lower casing air outlet 32; two sliding blocks 63 are arranged and are respectively connected with the left guide rail 621 and the right guide rail 622 in a sliding manner; the threaded rod 65 is positioned in the left guide rail 621 and is arranged in parallel with the left guide rail 621; one end of the threaded rod 65 penetrates through the threaded hole of the sliding block 63 and then is in threaded connection with the inner side of one end of the left guide rail 621, and the other end of the threaded rod penetrates through the outer side of the left guide rail 621 and then is connected with the driving shaft of the driver 61;
the sliding plate 64 is perpendicular to the guide rail pair 62, and two ends of the sliding plate are fixedly connected with the sliding block 63 respectively; the sliding plate 64 is provided with cleaning brushes 66 uniformly distributed from left to right on a side surface facing the lower housing outlet 32.
In this embodiment, the driver 61 is activated to rotate the threaded rod 65, so that the sliding plate 64, the sliding block 63 and the sweeping brush 66 are integrally slid up and down relative to the guide rail pair 62, and the fine dust particles adsorbed on the air outlet 32 of the lower housing can be removed by the sweeping brush 66, and the process is automatically completed without disassembly or assembly.
Further, as shown in fig. 4, the dust suction mechanism 7 includes a dust suction cover 71 having a rectangular structure, a connection pipe 72, and an air pump 73; the dust hood 71 is horizontally arranged at the lower side of the lower shell air outlet 32; the dust hood 71 extends from the left side to the right side of the lower housing air outlet 32; the air pump 73 is arranged outside the lower shell 3; the dust hood 71 is connected to an air pump 73 through a connection pipe 72.
In this embodiment, the air pump 73 is shown as a high pressure variable frequency air pump; dust absorption mechanism 7 is used for discharging the tiny dust particle that sweeps out from lower casing air outlet 32 to the external environment, avoids these tiny dust particles to get into in the rack of high-voltage inverter to adsorb on core circuit component.
Further, a humidity sensor 8 is arranged at the joint of the upper chamber 21 and the lower chamber 22; and a dust concentration sensor 9 is arranged on the outer side of the lower shell air outlet 32.
In this embodiment, the humidity sensor 8 is shown for detecting the humidity of the air entering the lower chamber 31 from the upper chamber 21; the dust concentration sensor 9 is shown for detecting the dust concentration of the air entering the air inlet of the high-voltage inverter cabinet 100 from the lower housing air outlet 32.
In this embodiment, a humidity sensor 8 is provided at the connection between the upper chamber 21 and the lower chamber 31, the humidity of the air flowing into the lower chamber 31 is monitored by the humidity sensor 8, so that the time for replacing the filter 5 can be accurately grasped according to the humidity value, a dust concentration sensor 9 is provided outside the lower housing outlet 32, the dust concentration of the air discharged from the lower housing outlet 32 is monitored by the dust concentration sensor 9, and the cleaning mechanism 6 and the dust suction mechanism 7 are controlled according to the dust concentration to remove fine dust particles in the chamber of the filter 5.
Further, the filter 5 is an activated carbon filter.
Further, an air inlet grid 10 is arranged on the air inlet 22 of the upper shell; and a filter screen 11 is arranged on the lower shell air outlet 32.
Further, a sealing layer is arranged at the joint of the drawer 4 and the opening 23; the sealing performance of the drawer 4 when it is engaged with the upper case 2 is improved, and foreign substances such as dust in the external environment are prevented from entering the upper chamber 21.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the protective scope of the present patent claims.
Claims (7)
1. A special filter for a cooling system of a high-voltage frequency converter comprises an external shell which is detachably and hermetically connected with the front surface of a cabinet body of the high-voltage frequency converter, and is characterized in that the external shell comprises an upper shell and a lower shell which are distributed from top to bottom; the upper shell and the lower shell are internally provided with an upper cavity and a lower cavity which are communicated with each other respectively;
a drawer capable of moving up and down relative to the upper shell is arranged in the upper cavity; the upper surface of the upper shell is provided with an opening matched with the drawer; a detachable filter is arranged in the drawer; the front surface of the upper shell is provided with an upper shell air inlet communicated with the upper cavity;
the rear surface of the lower shell is provided with a lower shell air outlet which is tightly connected with an air inlet of the high-voltage frequency converter cabinet; a cleaning mechanism is arranged at the air outlet of the lower shell in the lower cavity; and a dust suction mechanism is arranged below the cleaning mechanism.
2. The special filter for the cooling system of the high-voltage frequency converter according to claim 1, wherein the sweeping mechanism comprises a driver, a guide rail pair, a sliding block, a sliding plate and a threaded rod; the guide rail pair comprises a left guide rail and a right guide rail which are symmetrically arranged; the left guide rail and the right guide rail are positioned at the left side and the right side of the air outlet of the lower shell; the two sliding blocks are respectively connected with the left guide rail and the right guide rail in a sliding manner; the threaded rod is positioned in the left guide rail and is arranged in parallel with the left guide rail; one end of the threaded rod penetrates through the threaded hole of the sliding block and then is in threaded connection with the inner side of one end of the left guide rail, and the other end of the threaded rod penetrates through the outer side of the left guide rail and then is connected with a driving shaft of the driver;
the sliding plate is perpendicular to the guide rail pair, and two ends of the sliding plate are fixedly connected with the sliding block respectively; the surface of one side of the sliding plate facing the air outlet of the lower shell is provided with cleaning brushes which are uniformly distributed from left to right; the driver is started to drive the threaded rod to rotate, so that the sliding plate, the sliding block and the sweeping brush integrally slide up and down relative to the guide rail pair.
3. The special filter for the cooling system of the high-voltage frequency converter as claimed in claim 1, wherein the dust suction mechanism comprises a dust suction hood with a rectangular structure, a connecting pipe and an air pump; the dust hood is horizontally arranged at the lower side of the air outlet of the lower shell; the dust hood extends from the left side to the right side of the air outlet of the lower shell; the air pump is arranged on the outer side of the lower shell; the dust hood is connected with the air pump through a connecting pipe.
4. The special filter for the cooling system of the high-voltage frequency converter according to claim 1, wherein a humidity sensor is disposed at a connection position of the upper chamber and the lower chamber; and a dust concentration sensor is arranged on the outer side of the air outlet of the lower shell.
5. The filter special for the cooling system of the high-voltage frequency converter as claimed in claim 1, wherein the filter is an activated carbon filter.
6. The special filter for the cooling system of the high-voltage frequency converter as claimed in claim 1, wherein an air inlet grid is disposed at the air inlet of the upper housing; and a filter screen is arranged on the air outlet of the lower shell.
7. The special filter for the cooling system of the high-voltage frequency converter as claimed in claim 1, wherein a sealing layer is disposed at a connection of the drawer and the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122150817.5U CN216136860U (en) | 2021-09-07 | 2021-09-07 | Special filter for cooling system of high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122150817.5U CN216136860U (en) | 2021-09-07 | 2021-09-07 | Special filter for cooling system of high-voltage frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216136860U true CN216136860U (en) | 2022-03-29 |
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ID=80810253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122150817.5U Active CN216136860U (en) | 2021-09-07 | 2021-09-07 | Special filter for cooling system of high-voltage frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216136860U (en) |
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2021
- 2021-09-07 CN CN202122150817.5U patent/CN216136860U/en active Active
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