CN217769852U - Through-flow air-cooled frequency converter - Google Patents
Through-flow air-cooled frequency converter Download PDFInfo
- Publication number
- CN217769852U CN217769852U CN202221535767.0U CN202221535767U CN217769852U CN 217769852 U CN217769852 U CN 217769852U CN 202221535767 U CN202221535767 U CN 202221535767U CN 217769852 U CN217769852 U CN 217769852U
- Authority
- CN
- China
- Prior art keywords
- flow
- cross
- vent
- belt
- shafts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a bad forced air cooling's converter of through-flow, including quick-witted case and through-flow fan, be equipped with the top vent on the machine case, left part vent and right part vent, through-flow fan includes a horizontal conveyer belt that is the rectangle structure, horizontal conveyer belt includes a driving motor, four drum shafts and round fretwork belt, be equipped with drive mechanism between driving motor and the drum shaft, wherein both sides about the top vent are installed to two drum shafts, the bottom at left part vent and right part vent is installed to two other drum shafts, the interval is provided with a plurality of through-flow cross-blade on the surface of fretwork belt. The hollow belt on the transverse conveying belt drives the cross-flow cross blade to move in an annular mode, transverse through flow is formed, the function of air outlet on one side of air inlet is achieved, good air channel circulation is formed, heat in the box body is taken away rapidly, the whole heat dissipation effect is strong, and energy is saved and noise is lowered more.
Description
Technical Field
The utility model relates to a converter especially relates to an air-cooled converter of through-flow type.
Background
A Variable-frequency Drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology to control an ac motor by changing the frequency of a working power supply of the motor. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied. The frequency converter generates a certain power consumption during the operation process, usually 4-5% of its capacity, wherein the inverter part accounts for about 50%, the rectifying and dc loop accounts for about 40%, and the control and protection circuit accounts for 5-15%. The heat dispersion of converter will directly influence the reliability and the life of equipment. The frequency converter on the market at present generally adopts air-cooled, liquid cooling or these three kinds of modes of water wind heat dissipation with the inside heat effluvium of frequency converter to realize the heat dissipation cooling. Wherein, the forced air cooling heat dissipation is the comparatively common radiating mode of current converter, and it mainly forms endless cooling air current through the drive of fan assembly, and the radiator of deuterogamying can high-efficiently absorb the heat in the inside of converter and on the frequency conversion subassembly to the realization is to the inside and frequency conversion subassembly's of converter heat dissipation cooling. When the area of a heat dissipation opening formed in the box body is too large, the number of the fan units is correspondingly increased, higher requirements are required for a power supply, the fans are too many, the direct-current power supply is easy to be insufficient, the normal operation of the frequency converter is influenced, the air duct design in the case is easily influenced by too many fans, the air circulation is blocked, the heat dissipation performance is reduced, for example, after one fan unit fails, the airflow in the case is easy to be disordered, and the heat dissipation difficulty is caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the problem that above-mentioned prior art exists, provide an air-cooled converter of through-flow, the internal design has a through-flow fan, and the wind channel is stable, and the radiating effect is strong, moreover energy-conserving silence more.
The utility model provides a technical scheme that its technical problem adopted: the utility model provides an air-cooled converter of through-flow, includes quick-witted case and cross-flow fan, be equipped with top vent, left part vent and right part vent on roof, left side wall and the right side wall of machine case respectively, cross-flow fan includes a horizontal conveyer belt that is the rectangle structure, and horizontal conveyer belt includes a driving motor, four drum shafts and round fretwork belt, be equipped with drive mechanism between driving motor and the drum shaft, wherein two the drum shaft rotates respectively and installs both sides about the top vent, two in addition the drum shaft rotates respectively and installs the bottom at left part vent and right part vent, fretwork belt winding is fixed on four drum shafts, the interval is provided with a plurality of cross-flow blade on the surface of fretwork belt.
In order to further improve, the transmission mechanism comprises a longitudinal conveying belt, the longitudinal conveying belt comprises two transmission shafts and a transmission belt, the two transmission shafts are arranged at the bottom of the box body in a front-back mode, the transmission shafts are fixedly connected with a driving motor, and a worm and gear mechanism is arranged between the two transmission shafts and the end portions of the two drum shafts located at the bottom.
The box body is provided with a baffle plate above the longitudinal conveying belt, and the box body is provided with a dust outlet below the longitudinal conveying belt.
Further perfection, a detachable dust collecting box is arranged on the dust outlet, and a scraper which is in contact with the brush layer is arranged on the box opening of the dust collecting box.
Further perfect, all be equipped with filter plate on top vent, the left part vent and the right part vent.
Further perfection, be equipped with the fixed network on the fretwork belt, the fixed network is flexible heat dissipation gauze.
Compared with the prior art, the utility model discloses profitable effect is: the utility model discloses an inside design has a through-flow fan structure, and heat radiating area is big, and the fretwork belt on the horizontal conveyer belt drives through-flow horizontal blade and carries out the annular and remove, forms horizontal through flow, realizes the function of one side air inlet one side air-out, forms good wind channel circulation, takes away the heat in the box rapidly, and whole radiating effect is strong, moreover energy-conserving silence more.
Drawings
Fig. 1 is a schematic structural view of the present invention;
description of the reference numerals: 1. the device comprises a case, 2, a top vent, 3, a left vent, 4, a right vent, 5, a driving motor, 6, a roller shaft, 7, a hollowed-out belt, 8, a cross-flow transverse blade, 9, a transmission shaft, 10, a transmission belt, 11, a worm gear mechanism, 12, a brush layer, 13, a partition plate, 14, a dust outlet, 15, a dust collecting box, 16, a scraper, 17, a filter screen plate, 18 and a fixing net.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to figure 1: the embodiment of the invention relates to a cross-flow air-cooled frequency converter which comprises a case 1 and a cross-flow fan, wherein a top vent 2, a left vent 3 and a right vent 4 are respectively arranged on the top wall, the left side wall and the right side wall of the case 1, the cross-flow fan comprises a transverse conveying belt in a rectangular structure, the transverse conveying belt comprises a driving motor 5, four roller shafts 6 and a circle of hollowed-out belt 7, a transmission mechanism is arranged between the driving motor 5 and the roller shafts 6, the two roller shafts 6 are respectively rotatably arranged on the left side and the right side of the top vent 2, the other two roller shafts 6 are respectively rotatably arranged at the bottoms of the left vent 3 and the right vent 4, the hollowed-out belts 7 are wound and fixed on the four roller shafts 6 and driven by the driving motor 5, and a plurality of cross-flow transverse blades 8 are arranged on the surface of the hollowed-out belt 7 at intervals.
The working principle is as follows: according to the principle of a cross-flow fan, a transverse conveying belt of a cylindrical structure is arranged in a box body 1, a driving motor 5 is started, if a hollow-out belt 7 is driven to drive cross-flow transverse blades 8 to move in an annular mode (anticlockwise), the lower side of the box body 1 is sealed, air can only be sucked from a top vent 2 and a right vent 4 by the cross-flow transverse blades 8 positioned on the upper side, a vortex deviated to a sealed part is manufactured in the box body 1, the strong vortex can drive the air on one side to form a transverse through flow and is discharged from the left vent 3, the function of air outlet on one side of air inlet is realized, good air channel circulation is formed, heat in the box body is taken away rapidly, the whole heat dissipation effect is strong, and energy conservation and silence are achieved. Above is the heat dissipation condition when the box is inside spaciously, through-flow horizontal blade 8 distributes evenly, and in the in-service use through-flow horizontal blade 8 realizes the purpose of quick heat transfer through disturbing the air nearby.
The transmission mechanism comprises a longitudinal conveying belt, the longitudinal conveying belt comprises two transmission shafts 9 and a transmission belt 10, the two transmission shafts 9 are arranged at the bottom of the box body in the front and at the back, the transmission shafts 9 are fixedly connected with the driving motor 5, and a worm and gear mechanism 11 is arranged between the two transmission shafts 9 and the end parts of the two drum shafts 6 positioned at the bottom. When the driving motor 5 drives the longitudinal conveying belt to work, the two transmission shafts 9 drive the two roller shafts 6 at the bottom to rotate through the four worm and gear mechanisms 11, so that the transverse conveying belt is driven to move.
The outer surface of the transmission belt 10 is provided with a brush layer 12 used for cleaning the through-flow cross blade 8, the surface of the through-flow cross blade 8 cannot be polluted by dust in air, the transmission belt 10 can erase the dust on the surface of the through-flow cross blade 8 through the brush layer 12 when moving, a partition plate 13 is arranged above the longitudinal transmission belt of the box body to avoid dust raising, a dust outlet 14 is arranged below the longitudinal transmission belt of the box body, and the dust on the brush layer 12 can fall to the dust outlet 14 under the action of gravity when the transmission belt 10 turns to the lower side, so that dust removal is realized.
The dust outlet 14 is provided with a detachable dust collecting box 15, and the box opening of the dust collecting box 15 is provided with a scraper 16 which is in contact with the brush layer 12, so that dust can be efficiently scraped into the dust collecting box 15 for collection.
The top ventilation opening 2, the left ventilation opening 3 and the right ventilation opening 4 are all provided with a filter screen plate 17, so that dust can be prevented from being sucked into the box body 1.
The hollow belt 7 is provided with the fixing net 18, the fixing net 18 can fix the through-flow cross blades 8, noise generated by vibration of the through-flow cross blades 8 is reduced, the fixing net 18 is a flexible heat dissipation gauze, the heat dissipation area can be increased, and the heat exchange efficiency is improved.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (5)
1. The utility model provides a cross-flow forced air cooling's converter, includes quick-witted case (1) and cross-flow fan, its characterized in that: a top vent (2), a left vent (3) and a right vent (4) are respectively arranged on the top wall, the left side wall and the right side wall of the case (1), the cross-flow fan comprises a transverse conveying belt in a rectangular structure, the transverse conveying belt comprises a driving motor (5), four roller shafts (6) and a circle of hollowed-out belt (7), a transmission mechanism is arranged between the driving motor (5) and the roller shafts (6), two of the roller shafts (6) are respectively rotatably arranged on the left side and the right side of the top vent (2), the other two roller shafts (6) are respectively rotatably arranged at the bottoms of the left vent (3) and the right vent (4), the hollowed-out belts (7) are wound and fixed on the four roller shafts (6), and a plurality of cross-flow transverse blades (8) are arranged on the surface of the hollowed-out belts (7) at intervals; and the top ventilation opening (2), the left ventilation opening (3) and the right ventilation opening (4) are all provided with a filter screen plate (17).
2. A cross-flow air-cooled frequency converter according to claim 1, characterized in that: the transmission mechanism comprises a longitudinal conveying belt, the longitudinal conveying belt comprises two transmission shafts (9) and a transmission belt (10), the two transmission shafts (9) are arranged at the bottom of the box body in the front and at the back, the transmission shafts (9) are fixedly connected with the driving motor (5), and a worm and gear mechanism (11) is arranged between the two transmission shafts (9) and the end parts of the two drum shafts (6) positioned at the bottom.
3. A cross-flow air-cooled frequency converter according to claim 2, characterized in that: the outer surface of the transmission belt (10) is provided with a brush layer (12) for cleaning the cross-flow blades (8), the box body is provided with a partition plate (13) above the longitudinal conveying belt, and the box body is provided with a dust outlet (14) below the longitudinal conveying belt.
4. A cross-flow air-cooled frequency converter according to claim 3, characterized in that: the dust outlet (14) is provided with a detachable dust collecting box (15), and the box opening of the dust collecting box (15) is provided with a scraper (16) which is contacted with the brush layer (12).
5. A cross-flow air-cooled frequency converter according to claim 1, characterized in that: the hollow belt (7) is provided with a fixing net (18), and the fixing net (18) is a flexible heat dissipation gauze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221535767.0U CN217769852U (en) | 2022-06-20 | 2022-06-20 | Through-flow air-cooled frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221535767.0U CN217769852U (en) | 2022-06-20 | 2022-06-20 | Through-flow air-cooled frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217769852U true CN217769852U (en) | 2022-11-08 |
Family
ID=83894903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221535767.0U Active CN217769852U (en) | 2022-06-20 | 2022-06-20 | Through-flow air-cooled frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217769852U (en) |
-
2022
- 2022-06-20 CN CN202221535767.0U patent/CN217769852U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111786511B (en) | Motor cooling structure of air suspension centrifugal fan | |
| CN114474477B (en) | High-efficient cooling cleaning equipment is used in plastics processing | |
| CN217769852U (en) | Through-flow air-cooled frequency converter | |
| CN1969151A (en) | Air conditioner | |
| CN215576470U (en) | Server with data safety protection function | |
| CN216390236U (en) | High-efficient heat dissipation dehumidification's looped netowrk cabinet | |
| JP2006183997A (en) | Air conditioner | |
| CN216462343U (en) | Heat dissipation device applied to desk type reflow soldering machine | |
| CN217523035U (en) | Automatic control device with negative pressure dust collection and heat dissipation functions | |
| CN212963005U (en) | Radiator with self-cleaning function | |
| CN216409834U (en) | Precooling mechanism for high-temperature water cooling | |
| CN213089954U (en) | Intelligent combined air conditioning unit with good heat dissipation effect | |
| CN114245680A (en) | Air-cooled electric vehicle controller | |
| CN117135894B (en) | Communication access network equipment case | |
| CN216959582U (en) | Waterproof energy-saving heat dissipation motor | |
| CN214625168U (en) | Battery constant temperature protection architecture for electric motor car | |
| CN218513272U (en) | Cooling device of compound oil-immersed self-cooling tank transformer | |
| CN218347609U (en) | Axial fan with protective net cleaning mechanism | |
| CN215751382U (en) | Printing device with heat radiation structure | |
| CN218673225U (en) | Cross-flow cooling tower with automatic defoaming function | |
| CN215638012U (en) | High-efficient air exhaust air heater | |
| CN220567629U (en) | Closed circulating cooling water station | |
| CN219527059U (en) | Hot melt bonding surface fabric bonding cooler bin | |
| CN214476852U (en) | Rectifier transformer for variable frequency speed regulation | |
| CN217560031U (en) | Ventilation energy-saving device for green building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |