Moistureproof frequency converter

By combining spiral tube condensation and water-absorbing sponge compression, the system automatically handles the moisture inside the frequency converter, solving the problem of frequent desiccant deterioration and achieving efficient dehumidification and simplified maintenance.

CN223816101UActive Publication Date: 2026-01-20SHANXI ZHONGHENG XUNDA ELECTRIC CO LTD
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Patent Information

Application Number
CN202520271075.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2026-01-20
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

In existing moisture-proof frequency converters, the desiccant deteriorates rapidly in humid environments, leading to frequent maintenance and replacement, which affects ease of use.

Method used

The system uses a spiral tube to cool and condense moisture, absorbs moisture with an absorbent sponge, and squeezes out the moisture by a motor-driven mechanism. Combined with a dust removal component to prevent filter clogging, it achieves automatic dehumidification and avoids the need for desiccant replacement.

Benefits of technology

It achieves automated dehumidification, reduces maintenance frequency, improves dehumidification efficiency, prevents filter clogging, and simplifies maintenance operations.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223816101U_ABST
Patent Text Reader

Abstract

The utility model discloses a moisture-proof frequency converter which comprises a frequency converter main body, and one side of the frequency converter main body is provided with a heat dissipation device. An air inlet assembly is arranged outside the other side of the frequency converter main body, the air inlet assembly comprises a mounting cover, the bottom end of the mounting cover is fixedly connected with a connecting pipe, the bottom end of the connecting pipe is in threaded connection with a collecting tank, and an ash removal assembly is arranged on the outer side of the mounting cover; a partition plate is fixedly connected to the middle of the mounting cover, a spiral pipe is arranged on one side of the partition plate, a water absorption sponge is arranged on the other side of the partition plate, a cold air pipe is arranged above the partition plate, and extrusion nets are symmetrically and fixedly connected to the two sides of the water absorption sponge; and the water absorption sponge is automatically extruded and collected, finally cooling and dehumidification are conveniently conducted on heat dissipation inlet air, the situation that a drying agent needs to be replaced in time is avoided, and maintenance is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to frequency converter technical field, concretely is a kind of moisture-proof frequency converter. BACKGROUND

[0002] At present, during the use of frequency converter, external humid air can enter the inside of frequency converter through the heat dissipation channel on frequency converter, which causes water vapor to gather inside frequency converter, and the probability of damage of internal electronic components of frequency converter is relatively large, which affects the service life of frequency converter;

[0003] Publication No. CN218166502U discloses a kind of moisture-proof frequency converter, including frequency converter shell, the rectangular mouth is opened in the front lower part position of frequency converter shell, drawer is inserted in the rectangular mouth, the bottom of the drawer is recessed to form through slot, the bottom of the drawer is fixedly connected with soft rubber sheet for blocking through slot, dry agent particles for adsorbing humidity inside frequency converter shell are laid on the soft rubber sheet, the top pressure piece for stirring dry agent particles is installed at the bottom of frequency converter shell, to realize the absorption of humidity inside frequency converter, prevent the damage of internal electronic components of frequency converter, but the following problems still exist in the actual use process of this patent:

[0004] The above device realizes efficient dehumidification by stirring dry agent particles, but dry agent has a service period, especially in humid environment, its deterioration speed will increase, so that the maintenance and replacement of dry agent need to spend a lot of time, which is not convenient to use.

[0005] A kind of moisture-proof frequency converter is presented to solve the problems raised in the above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of moisture-proof frequency converter to solve the problems raised in the above background art that the above device realizes efficient dehumidification by stirring dry agent particles, but dry agent has a service period, especially in humid environment, its deterioration speed will increase, so that the maintenance and replacement of dry agent need to spend a lot of time, which is not convenient to use.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of moisture-proof frequency converter, including frequency converter main body, the side of frequency converter main body is provided with heat dissipation device;

[0008] The other side of frequency converter main body is provided with air inlet assembly outside, the air inlet assembly includes the installation cover fixed to the outside of frequency converter main body, the bottom end of the installation cover is fixedly connected with connecting pipe, the bottom end of the connecting pipe is threadedly connected with collection tank, the outside of the installation cover is provided with dust removal assembly;

[0009] The middle part of the mounting cover is fixedly connected with a partition plate, one side of the partition plate is provided with a spiral pipe, the other side of the partition plate is provided with a water absorption sponge, one end of the spiral pipe penetrates through the frequency converter main body and is fixedly connected with a gas collecting port, the other end of the spiral pipe penetrates through the partition plate, the upper portion of the partition plate is provided with a cold air pipe, the upper portion of the water absorption sponge is provided with a fixing cover, the fixing cover is fixed to the top of the mounting cover, one side of the fixing cover is fixedly connected with a first motor outside, the output end of the first motor extends into the fixing cover and is fixedly connected with a double-head reciprocator, the double-head reciprocator is symmetrically and slidably sleeved with a threaded sleeve outside, the bottom of the threaded sleeve is fixedly connected with a connecting plate.

[0010] The two sides of the water absorption sponge are fixedly connected with extrusion nets in a symmetrical mode, one side of the extrusion net away from the water absorption sponge is fixedly connected with a connecting plate, and a top groove is formed in one side of the top of the mounting cover and is in sliding connection with the connecting plate.

[0011] Preferably, the cold air pipe is fixed to the top of the mounting cover, the cold air pipe is connected with an external cold pump machine, and a ventilation opening is formed in one side of the mounting cover close to the frequency converter main body.

[0012] Preferably, the extrusion net is attached to the inner side of the mounting cover.

[0013] Preferably, the top ends of the two connecting plates are fixedly connected with different threaded sleeves, respectively.

[0014] Preferably, the dust cleaning assembly comprises an extension ring fixedly connected to the outer side of the mounting cover, a gear ring rotatably connected to the outer side of the extension ring, and a filter screen fixedly connected to the inner side of the extension ring.

[0015] Preferably, a micro motor is fixedly connected to the top of the extension ring, a first gear is fixedly connected to the output end of the micro motor, and the gear ring is in meshing connection with the first gear.

[0016] Preferably, a scraper is fixedly connected to the inner side of the gear ring, and the scraper is attached to the filter screen.

[0017] Compared with the prior art, the moisture-proof frequency converter has the advantages that the contained moisture is condensed into water mist by cooling, the water mist is conveniently absorbed by the water absorption sponge, the water in the water absorption sponge is automatically extruded and collected, the frequency converter main body can be effectively dehumidified, the dry agent does not need to be replaced in time, and the maintenance is more convenient.

[0018] 1.Outside air flow through the air inlet into the spiral pipe, and then into the installation cover inside, the external cold air compressor can be through the cold air pipe to the inside of the installation cover spray cold air, so that the spiral pipe cooling to near freezing point, the outside air into the spiral pipe, will be due to cooling so that its containing moisture condensation, condensation into water mist, and then sprayed to the water absorption sponge, the water absorption sponge is convenient for absorption, the moisture in the air is filtered; and then start the first motor so that the double head reciprocating rotation, so that the threaded sleeve drives the inside of the connecting plate reciprocating, and then the connecting plate can drive the extrusion net to extrude the water absorption sponge, finally the water in the water absorption sponge can be squeezed out through the connecting pipe and dropped into the collection tank, finally the frequency converter main body can effectively dehumidify, at the same time, avoid the need to replace the desiccant in time, more convenient maintenance.

[0019] 2. By starting the micro motor to make the first gear rotate, so that the first gear drives the gear ring to rotate, and then the gear ring drives the scraper to rotate, and the scraper scratches the filter screen, so that the dust in the middle of the filter screen moves, avoiding the dust blocking the filter screen and affecting the air flow. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front view structure schematic diagram of the utility model;

[0021] Figure 2 It is a front view structure schematic diagram of the installation cover;

[0022] Figure 3 It is Figure 2 It is an enlarged structure schematic diagram of A in the middle;

[0023] Figure 4 It is Figure 2 It is an enlarged structure schematic diagram of B in the middle;

[0024] Figure 5 It is the installation structure schematic diagram of the spiral pipe.

[0025] In the drawing: 1, frequency converter main body; 101, heat dissipation device; 2, air inlet assembly; 201, installation cover; 202, connecting pipe; 203, collection tank; 204, ventilation opening; 205, spiral pipe; 206, air inlet; 207, cold air pipe; 208, top groove; 209, fixed cover; 210, first motor; 211, double head reciprocating; 212, threaded sleeve; 213, connecting plate; 214, extrusion net; 215, water absorption sponge; 216, partition plate; 3, dust removal assembly; 301, extension ring; 302, micro motor; 303, first gear; 304, gear ring; 305, scraper. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0027] Please refer to Figure 1 - Figure 5 The utility model provides technical schemes: a damp-proof frequency converter, including frequency converter main part 1, one side of frequency converter main part 1 is provided with heat dissipation device 101,

[0028] The other side of frequency converter main part 1 is externally provided with air inlet subassembly 2, and air inlet subassembly 2 includes a mounting cover 201 fixed to the outer side of the frequency converter main body 1, a connecting pipe 202 fixedly connected to the bottom end of the mounting cover 201, a collection tank 203 threadedly connected to the bottom end of the connecting pipe 202, and a dust removal assembly 3 arranged on the outer side of the mounting cover 201.

[0029] Among them, the mounting cover 201 is fixedly connected with a partition plate 216 in the middle, one side of the partition plate 216 is provided with a spiral pipe 205, the other side of the partition plate 216 is provided with a water-absorbing sponge 215, one end of the spiral pipe 205 penetrates through the frequency converter main body 1 and is fixedly connected with an air inlet 206, the other end of the spiral pipe 205 penetrates through the partition plate 216, a cold air pipe 207 is arranged above the partition plate 216, a fixing cover 209 is arranged above the water-absorbing sponge 215, the fixing cover 209 is fixed to the top of the mounting cover 201, a first motor 210 is fixedly connected to the outside of one side of the fixing cover 209, the output end of the first motor 210 extends into the fixing cover 209 and is fixedly connected with a double-head reciprocator 211, a threaded sleeve 212 is symmetrically and threadedly sleeved outside the double-head reciprocator 211, and a connecting plate 213 is fixedly connected to the bottom of the threaded sleeve 212.

[0030] Among them, the two sides of the water-absorbing sponge 215 are fixedly connected with extrusion nets 214, the side, away from the water-absorbing sponge 215, of the extrusion net 214 is fixedly connected with the connecting plate 213, a top groove 208 is formed in the top side of the mounting cover 201 and is in sliding connection with the connecting plate 213; a stretchable rubber plate is arranged in the inside of the top groove 208, and the connecting plate 213 penetrates through the stretchable rubber plate and is fixedly connected therewith.

[0031] The cold air pipe 207 is fixed to the top of the mounting cover 201, the cold air pipe 207 is connected with an external cold pump machine, and a ventilation opening 204 is formed in the side of the mounting cover 201 close to the frequency converter main body 1.

[0032] The extrusion net 214 is attached to the inner side of the mounting cover 201; the extrusion net 214 can extrude the water absorption sponge 215, and facilitate air circulation, finally meeting the heat dissipation requirement of the frequency converter main body 1.

[0033] The top ends of the two connecting plates 213 are fixedly connected with different threaded sleeves 212 respectively.

[0034] The ash removal assembly 3 comprises an extension ring 301 fixedly connected to the outer side of the mounting cover 201, a gear ring 304 rotatably connected to the outer side of the extension ring 301, and a filter screen fixedly connected to the inner side of the extension ring 301.

[0035] The top of the extension ring 301 is fixedly connected with a micro motor 302, the output end of the micro motor 302 is fixedly connected with a first gear 303, and the gear ring 304 is meshingly connected with the first gear 303; the inner side of the gear ring 304 is fixedly connected with a scraper 305, and the scraper 305 is attached to the filter screen; the scraper 305 scrapes the filter screen, so that the dust in the middle of the filter screen moves, avoiding that the dust blocks the filter screen and affects air flow.

[0036] Working principle: Before using the moisture-proof frequency converter, the overall condition of the device needs to be checked to determine whether it can work normally, according to the Figure 1 Figure 5 As shown in the figure, the start of the heat dissipation device 101 will make the outside air flow enter the spiral pipe 205 through the air inlet 206, and then enter the inside of the mounting cover 201; the external cooling air conditioner will spray cold air into the inside of the mounting cover 201 through the cold air pipe 207, so that the spiral pipe 205 is cooled to near freezing point, and then the spiral pipe 205 is in a low-temperature state. After the outside air enters the spiral pipe 205, it will condense due to cooling, and the condensed water mist will be sprayed onto the water absorption sponge 215, so that the water absorption sponge 215 can absorb the water in the air for filtering.

[0037] Then the first motor 210 is started to make the double-head reciprocator 211 rotate, so that the threaded sleeve 212 drives the connecting plate 213 to move reciprocally inside, and then the connecting plate 213 can drive the extrusion net 214 to extrude the water absorption sponge 215, finally the water in the water absorption sponge 215 can be squeezed out and dropped into the collecting tank 203 through the connecting pipe 202, so that the frequency converter main body 1 can be effectively dehumidified, and the dry agent does not need to be replaced in time, which is more convenient for maintenance.

[0038] This device only needs to unscrew the collecting tank 203 and pour out the collected water, so that the maintenance can be completed, which is convenient to operate.

[0039] The low-moisture air cooled by the spiral pipe 205 can be better cooled after entering the frequency converter main body 1, improving the cooling efficiency.

[0040] ​The first gear 303 is rotated by starting the micro motor 302, so that the gear ring 304 is rotated by the first gear 303, and then the scraper 305 is rotated by the gear ring 304, and the scraper 305 is scraped on the filter screen, so that the dust in the middle of the filter screen is moved, and the dust is prevented from blocking the filter screen, and the air flow is affected.

[0041] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A moisture-proof frequency converter, comprising a frequency converter body (1), one side of the frequency converter body (1) is provided with a heat dissipation device (101); characterized in that Further comprising: The other side of the frequency converter body (1) is externally provided with an air inlet assembly (2), the air inlet assembly (2) comprises a mounting cover (201) fixed to the outer side of the frequency converter body (1), the bottom end of the mounting cover (201) is fixedly connected with a connecting pipe (202), the bottom end of the connecting pipe (202) is threadedly connected with a collection tank (203), and the outer side of the mounting cover (201) is provided with a dust removal assembly (3); Wherein, the middle part of the mounting cover (201) is fixedly connected with a partition plate (216), one side of the partition plate (216) is provided with a spiral pipe (205), the other side of the partition plate (216) is provided with a water absorption sponge (215), one end of the spiral pipe (205) penetrates through the frequency converter body (1) and is fixedly connected with an air inlet (206), the other end of the spiral pipe (205) penetrates through the partition plate (216), the upper part of the partition plate (216) is provided with a cold air pipe (207), the upper part of the water absorption sponge (215) is provided with a fixing cover (209), the fixing cover (209) is fixed to the top of the mounting cover (201), one side of the fixing cover (209) is externally fixedly connected with a first motor (210), the output end of the first motor (210) extends into the fixing cover (209) and is fixedly connected with a double-head reciprocating (211), the outer part of the double-head reciprocating (211) is symmetrically threadedly sleeved with a threaded sleeve (212), and the bottom of the threaded sleeve (212) is fixedly connected with a connecting plate (213); Wherein, the two sides of the water absorption sponge (215) are symmetrically fixedly connected with extrusion nets (214), one side of the extrusion net (214) away from the water absorption sponge (215) is fixedly connected with a connecting plate (213), and the top of one side of the mounting cover (201) is provided with a top groove (208), and the top groove (208) is slidably connected with the connecting plate (213).

2. The moisture-proof frequency converter according to claim 1, characterized in that: The cold air pipe (207) is fixed to the top of the mounting cover (201), the cold air pipe (207) is connected with an external cold pump machine, and the side of the mounting cover (201) close to the frequency converter body (1) is provided with a ventilation opening (204).

3. The moisture-proof frequency converter according to claim 2, characterized in that: The extrusion net (214) is attached to the inner side of the mounting cover (201).

4. The moisture-proof frequency converter according to claim 1, characterized in that: The top ends of the two connecting plates (213) are fixedly connected with different threaded sleeves (212) respectively.

5. The moisture-proof frequency converter according to claim 1, characterized in that: The dust removal assembly (3) comprises an extension ring (301) fixedly connected to the outer side of the mounting cover (201), the outer side of the extension ring (301) is rotatably connected with a gear ring (304), and the inner side of the extension ring (301) is fixedly connected with a filter screen.

6. The moisture-proof frequency converter according to claim 5, characterized in that: The top of the extension ring (301) is fixedly connected with a micro motor (302), the output end of the micro motor (302) is fixedly connected with a first gear (303), and the gear ring (304) is meshedly connected with the first gear (303).

7. A moisture resistant frequency converter as claimed in claim 6, characterised in that: The inner side of the gear ring (304) is fixedly connected with a scraper (305), and the scraper (305) is attached to the filter screen.

Citation Information

Patent Citations

  • Moistureproof frequency converter

    CN218166502U