CN216762611U - Power electronic components dampproof device - Google Patents
Power electronic components dampproof device Download PDFInfo
- Publication number
- CN216762611U CN216762611U CN202122983778.7U CN202122983778U CN216762611U CN 216762611 U CN216762611 U CN 216762611U CN 202122983778 U CN202122983778 U CN 202122983778U CN 216762611 U CN216762611 U CN 216762611U
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- Prior art keywords
- moisture
- pipe
- box body
- power electronic
- fixedly connected
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- 238000007791 dehumidification Methods 0.000 claims abstract description 29
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 14
- 241001330002 Bambuseae Species 0.000 claims abstract description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 14
- 239000011425 bamboo Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 239000004745 nonwoven fabric Substances 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 239000002274 desiccant Substances 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a power electronic component moisture-proof device, which belongs to the technical field of moisture prevention of power electronic components and comprises a moisture-proof box body and a dehumidification cylinder, wherein an air outlet pipe and an air inlet pipe which are communicated with the interior of the moisture-proof box body are fixedly connected to two sides of the bottom end of the moisture-proof box body; the bottom threaded connection of dehumidification section of thick bamboo has the screw thread post, the bottom of the inner wall of dehumidification section of thick bamboo be equipped with the screw thread post periphery on the internal thread connecting portion that the external screw thread is connected. According to the utility model, when the desiccant is replaced, the box cover at the top of the moisture-proof box body is not required to be detached, so that the external air is prevented from entering the moisture-proof box body, and the use is more convenient.
Description
Technical Field
The utility model relates to a moisture-proof device, in particular to a moisture-proof device for a power electronic component, and belongs to the technical field of moisture prevention of power electronic components.
Background
The power electronic device is also called a power semiconductor device and is mainly used for electronic devices with high power in the aspects of electric energy conversion and control circuits of power equipment.
At present, power electronic components are widely used, but are often extremely easy to be affected with damp and damaged or even cause potential safety hazards due to the working conditions of the power electronic components in a humid environment. The existing power electronic component damp-proof device is provided with a drying agent in a damp-proof box body, and air in the damp-proof box body is dried through the drying agent, so that the damp-proof purpose is achieved. Because the drier needs the staff to change after using for a period of time, at the in-process of changing the drier, need take off the case lid of fixed connection at dampproofing box top, the process is comparatively troublesome, has brought the inconvenience for the staff, still makes the inside of external humid air entering dampproofing box simultaneously, is unfavorable for the use of the inside fixed mounting's of dampproofing box power electronic components.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide the power electronic component moisture-proof device, a box cover at the top of a moisture-proof box body is not required to be detached when a drying agent is replaced, so that outside air is prevented from entering the moisture-proof box body, and the use is more convenient.
The utility model realizes the aim through the following technical scheme, and the power electronic component moisture-proof device comprises a moisture-proof box body and a dehumidification cylinder, wherein the two sides of the bottom end of the moisture-proof box body are fixedly connected with an air outlet pipe and an air inlet pipe which are communicated with the interior of the moisture-proof box body;
the bottom end of the dehumidification cylinder is connected with a threaded column in a threaded manner, the bottom of the inner wall of the dehumidification cylinder is provided with an internal thread connecting part connected with an external thread on the circumferential surface of the threaded column, the diameter of the internal thread connecting part is larger than the inner diameter of the dehumidifying cylinder, the bottom end of the threaded column below the dehumidifying cylinder is fixedly connected with a handle, the center part of the top end of the threaded column positioned in the dehumidification barrel is fixedly connected with a connecting column, the top end of the connecting column is fixedly connected with the center part of the bottom end of the storage box, the drying bag is laid in the storage box, the bottom end of the storage box is provided with a plurality of ventilation holes which penetrate through the lower surface and the inner bottom surface of the storage box, the outer periphery of storing box bonds and has the rubber seal pipe, the outer periphery of rubber seal pipe and the circumference inner wall connection of a dehumidification section of thick bamboo, the circumference inner wall of a dehumidification section of thick bamboo is in the top fixedly connected with fan of storing box.
Preferably, in order to prevent to dismantle first bellows and second bellows after, outside air gets into the inside of dampproofing box through what air-supply line of play tuber pipe, play tuber pipe is located the outside body of dampproofing box, the air-supply line is located the outside body of dampproofing box and is fixed connection with a valve respectively.
Preferably, for the convenience of staff to pull down first bellows and second bellows, the both ends of first bellows pass through screwed joint respectively with go out tuber pipe, first connecting pipe threaded connection, the both ends of second bellows pass through screwed joint respectively with air-supply line, second connecting pipe threaded connection.
Preferably, in order to increase the sealing property between the top end of the threaded column and the top end of the internal thread connecting part, a sealing ring is bonded to the outer edge of the top end of the threaded column, and the top end of the sealing ring is connected with the top end of the internal thread connecting part.
Preferably, the drying bag includes a breathable nonwoven fabric packaging bag and fine silica gel particles filled in the breathable nonwoven fabric packaging bag for drying air in the dehumidification cylinder.
Preferably, in order to collect and guide the airflow blown out by the fan, an air collecting hopper is arranged above the fan, and the top end of the air collecting hopper is fixedly connected with one end of the second connecting pipe, which extends into the dehumidification barrel.
Preferably, the inside of the wind collecting funnel is communicated with the inside of the second connecting pipe, and the inner diameter of the wind collecting funnel is gradually reduced from top to bottom.
The utility model has the beneficial effects that:
1. a dehumidifying barrel is additionally arranged outside the moistureproof box body, a fan and a storage box are arranged in the dehumidifying barrel, a drying bag is laid in the storage box, a first connecting pipe on the dehumidifying barrel is connected with an air outlet pipe at the bottom of the moistureproof box body through a first corrugated pipe, a second connecting pipe on the dehumidifying barrel is connected with an air inlet pipe at the bottom of the moistureproof box body through a second corrugated pipe, air in the moistureproof box body is pumped into the dehumidifying barrel through the fan, the air is dried through the drying bag, and the dried air returns to the moistureproof box body, so that the dryness in the moistureproof box body is ensured, and the use of power electronic components fixedly installed in the moistureproof box body is facilitated;
2. the bottom end of the dehumidifying cylinder is in threaded connection with the threaded column, the top end of the threaded column is fixedly connected with the storage box through the connecting column, when the drying agent is replaced, the threaded column is rotated to be separated from the dehumidifying cylinder, and then the threaded column is pulled downwards to move the storage box to the outside of the dehumidifying cylinder, so that the drying bag is convenient to replace, a box cover at the top of the moistureproof box body does not need to be dismounted, external air is prevented from entering the moistureproof box body, and the use is more convenient;
3. after the air to in the dampproofing box body is dried, close two valves, avoid external air to get into in the dampproofing box body through going out tuber pipe and air-supply line, make first bellows and play tuber pipe break away from, the second bellows breaks away from with the air-supply line through rotatory screwed joint to the dehumidification section of thick bamboo that can be convenient of pulling down, detach the effort of dehumidification section of thick bamboo to the dampproofing box body, structural design is more reasonable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the dehumidification cartridge of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the internal threaded connection of the dehumidification cylinder of FIG. 2 according to the present invention;
FIG. 4 is a schematic structural view of the storage box and the rubber sealing tube in FIG. 2 according to the present invention;
fig. 5 is a schematic structural view of the threaded post and the rubber sealing tube of fig. 2 according to the present invention.
In the figure: 1. a moisture-proof box body; 2. an air outlet pipe; 3. an air inlet pipe; 4. a valve; 5. a first bellows; 6. a second bellows; 7. a dehumidification cylinder; 8. a first connecting pipe; 9. a second connecting pipe; 10. a threaded post; 11. a handle; 12. a wind collecting hopper; 13. a fan; 14. a storage box; 15. drying the bag; 16. a vent hole; 17. a rubber sealing tube; 18. connecting columns; 19. a seal ring; 20. the female threaded connection.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a power electronic component moisture-proof device comprises a moisture-proof box body 1 and a dehumidifying cylinder 7, wherein a fixing plate is fixed inside the moisture-proof box body 1, the power electronic component can be fixedly connected to the fixing plate through a plurality of mounting holes on the fixing plate, wire holes communicated with the outside are formed in two sides of the moisture-proof box body 1, a transmission line connected to the power electronic component can be connected to the outside through the wire holes, a sealing ring is arranged between the wire holes and the transmission line, the top end of the moisture-proof box body 1 is fixedly connected with a box cover through bolts, and the moisture-proof box body 1 is a mature product in the prior art and is not described again;
the two sides of the bottom end of the moisture-proof box body 1 are fixedly connected with an air outlet pipe 2 and an air inlet pipe 3 which are communicated with the interior of the moisture-proof box body, the bottom of one side of the dehumidifying cylinder 7 is fixedly connected with a first connecting pipe 8 which is communicated with the interior of the dehumidifying cylinder, the air outlet pipe 2 is connected with the first connecting pipe 8 through a first corrugated pipe 5, the top end of the dehumidifying cylinder 7 is fixedly connected with a second connecting pipe 9 which is communicated with the interior of the dehumidifying cylinder, and the air inlet pipe 3 is connected with the second connecting pipe 9 through a second corrugated pipe 6;
the bottom end of the dehumidifying cylinder 7 is in threaded connection with a threaded column 10, the bottom of the inner wall of the dehumidifying cylinder 7 is provided with an internal threaded connection portion 20 connected with an external thread on the circumferential surface of the threaded column 10, the diameter of the internal threaded connection portion 20 is larger than the inner diameter of the dehumidifying cylinder 7, the bottom end of the threaded column 10 below the dehumidifying cylinder 7 is fixedly connected with a handle 11, the central portion of the top end of the threaded column 10 inside the dehumidifying cylinder 7 is fixedly connected with a connecting column 18, the top end of the connecting column 18 is fixedly connected with the central portion of the bottom end of a storage box 14, a drying bag 15 is laid inside the storage box 14, the bottom end of the storage box 14 is provided with a plurality of ventilation holes 16 penetrating through the lower surface and the inner bottom surface of the storage box 14, a rubber sealing pipe 17 is bonded on the outer circumferential surface of the storage box 14, the outer circumferential surface of the rubber sealing pipe 17 is connected with the circumferential inner wall of the dehumidifying cylinder 7, and a fan 13 is fixedly connected on the circumferential inner wall of the storage box 14.
As a technical optimization scheme of the utility model, a pipe body of the air outlet pipe 2 positioned outside the moisture-proof box body 1 and a pipe body of the air inlet pipe 3 positioned outside the moisture-proof box body 1 are respectively and fixedly connected with a valve 4.
As a technical optimization scheme of the present invention, two ends of the first corrugated tube 5 are respectively in threaded connection with the air outlet tube 2 and the first connecting tube 8 through threaded joints, and two ends of the second corrugated tube 6 are respectively in threaded connection with the air inlet tube 3 and the second connecting tube 9 through threaded joints.
As a technical optimization scheme of the utility model, a sealing ring 19 is bonded on the outer edge of the top end of the threaded column 10, and the top end of the sealing ring 19 is connected with the top end of the internal thread connecting part 20.
As a technical optimization scheme of the present invention, the drying bag 15 includes a breathable non-woven fabric packaging bag and fine silica gel particles filled in the breathable non-woven fabric packaging bag.
As a technical optimization scheme of the utility model, an air collecting hopper 12 is arranged above the fan 13, and the top end of the air collecting hopper 12 is fixedly connected with one end of the second connecting pipe 9 extending into the dehumidification barrel 7.
As a technical optimization scheme of the present invention, the inside of the wind-collecting scoop 12 is communicated with the inside of the second connecting pipe 9, and the inner diameter of the wind-collecting scoop 12 is gradually reduced from top to bottom.
When the utility model is used: the fan 13 is started, under the action of the fan 13, air in the moisture-proof box body 1 flows into the dehumidification barrel 7 sequentially through the air outlet pipe 2, the first corrugated pipe 5 and the first connecting pipe 8, the drying bag 15 dries the air passing through, and the dried air flows back into the moisture-proof box body 1 sequentially through the second connecting pipe 9, the second corrugated pipe 6 and the air inlet pipe 3, so that the drying in the moisture-proof box body 1 is ensured, and the use of power electronic components fixedly installed in the moisture-proof box body 1 is facilitated;
after the air in the moisture-proof box body 1 is dried, the two valves 4 are closed, so that the external air is prevented from entering the moisture-proof box body 1 through the air outlet pipe 2 and the air inlet pipe 3, the first corrugated pipe 5 is separated from the air outlet pipe 2 and the second corrugated pipe 6 is separated from the air inlet pipe 3 by rotating the threaded joint, the dehumidification cylinder 7 can be conveniently dismounted, the acting force of the dehumidification cylinder 7 on the moisture-proof box body 1 is removed, and the structural design is more reasonable;
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a power electronic components dampproof device, includes dampproofing box (1) and a dehumidification section of thick bamboo (7), its characterized in that: the dehumidifying device is characterized in that an air outlet pipe (2) and an air inlet pipe (3) which are communicated with the interior of the dehumidifying box body (1) are fixedly connected to two sides of the bottom end of the dehumidifying box body (1), a first connecting pipe (8) which is communicated with the interior of the dehumidifying box body is fixedly connected to the bottom of one side of the dehumidifying cylinder (7), the air outlet pipe (2) is connected with the first connecting pipe (8) through a first corrugated pipe (5), a second connecting pipe (9) which is communicated with the interior of the dehumidifying box body is fixedly connected to the top end of the dehumidifying cylinder (7), and the air inlet pipe (3) is connected with the second connecting pipe (9) through a second corrugated pipe (6);
the bottom threaded connection of a dehumidification section of thick bamboo (7) has screw thread post (10), the bottom of the inner wall of a dehumidification section of thick bamboo (7) is equipped with the internal thread connecting portion (20) that is connected with external screw thread on screw thread post (10) periphery, the diameter of internal thread connecting portion (20) is greater than the internal diameter of a dehumidification section of thick bamboo (7), screw thread post (10) are located bottom fixedly connected with handle (11) of dehumidification section of thick bamboo (7) below, screw thread post (10) are located the central point fixedly connected with spliced pole (18) on the inside top of a dehumidification section of thick bamboo (7), the top fixed connection of spliced pole (18) is in the central point of the bottom of storing box (14), dry bag (15) have been laid to the inside of storing box (14), a plurality of ventilation holes (16) that run through its lower surface and its interior bottom surface have been seted up to the bottom of storing box (14), the outer periphery bonding of storing box (14) has rubber seal pipe (17), the outer circumferential surface of the rubber sealing tube (17) is connected with the inner wall of the circumference of the dehumidifying barrel (7), and the inner wall of the circumference of the dehumidifying barrel (7) is fixedly connected with a fan (13) above the storage box (14).
2. The moisture-proof device for the power electronic component as claimed in claim 1, wherein: the air outlet pipe (2) is positioned on a pipe body outside the moisture-proof box body (1), and the air inlet pipe (3) is positioned on a pipe body outside the moisture-proof box body (1) and is respectively and fixedly connected with a valve (4).
3. The moisture-proof device for the power electronic component as claimed in claim 1, wherein: the both ends of first bellows (5) pass through screwed joint respectively with go out tuber pipe (2), first connecting pipe (8) threaded connection, the both ends of second bellows (6) pass through screwed joint respectively with air-supply line (3), second connecting pipe (9) threaded connection.
4. The moisture-proof device for the power electronic component as claimed in claim 1, wherein: and a sealing ring (19) is bonded to the outer edge of the top end of the threaded column (10), and the top end of the sealing ring (19) is connected with the top end of the internal thread connecting part (20).
5. The moisture-proof device for the power electronic component as claimed in claim 1, wherein: the drying bag (15) comprises a breathable non-woven fabric packaging bag and fine-pore silica gel particles filled in the breathable non-woven fabric packaging bag.
6. The moisture-proof device for the power electronic component as claimed in claim 1, wherein: an air collecting hopper (12) is arranged above the fan (13), and the top end of the air collecting hopper (12) is fixedly connected with one end, extending into the dehumidification barrel (7), of the second connecting pipe (9).
7. The moisture-proof device for the power electronic component as claimed in claim 6, wherein: the interior of the wind collecting hopper (12) is communicated with the interior of the second connecting pipe (9), and the inner diameter of the wind collecting hopper (12) is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983778.7U CN216762611U (en) | 2021-11-30 | 2021-11-30 | Power electronic components dampproof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983778.7U CN216762611U (en) | 2021-11-30 | 2021-11-30 | Power electronic components dampproof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216762611U true CN216762611U (en) | 2022-06-17 |
Family
ID=81965260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122983778.7U Active CN216762611U (en) | 2021-11-30 | 2021-11-30 | Power electronic components dampproof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216762611U (en) |
-
2021
- 2021-11-30 CN CN202122983778.7U patent/CN216762611U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Wen Inventor after: Fu Heli Inventor after: Hao Lilin Inventor after: Wang Rongjuan Inventor before: Wang Rongjuan |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240606 Address after: No.104, 14th Floor, No.102 Youyi Road, Haidian District, Beijing, 100000 Patentee after: Liang Wen Country or region after: China Address before: 510000 No. 283, Chengcheng Avenue, Panyu District, Guangzhou, Guangdong Patentee before: Wang Rongjuan Country or region before: China |