CN214756048U

CN214756048U - Combined frequency converter

Info

Publication number: CN214756048U
Application number: CN202121141364.3U
Authority: CN
Inventors: 李书科; 郭雨廷; 张晓航; 高飞翔; 江雷; 展玉衡
Original assignee: Shijiazhuang Xinke Microwave Technology Co ltd
Current assignee: Shijiazhuang Xinke Microwave Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-16
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a modular converter, the power distribution box comprises a box body, the fixed heat dissipation post that is provided with in the middle of the inside of box, a plurality of air current hole has been seted up to the surface of heat dissipation post, the equal fixedly connected with air current pipe in the both sides middle part of heat dissipation post, the air current pipe is the L type, the inside of air current pipe is provided with the motor, the motor passes through the inner wall fixed connection of support with the air current pipe, one side swing joint that the heat dissipation post was kept away from to the motor has the transmission shaft, the one end swing joint that the motor was kept away from to the transmission shaft has the driving gear. It is rotatory to drive the transmission shaft through the motor, and the transmission shaft drives the driving gear and rotates, makes first driven gear and second driven gear drive the lifting rack up-and-down motion, when the dust screen up-and-down motion blockked the dust, utilizes the dust on the silica gel scraper blade clearance dust screen, can prevent that the dust from getting into in the box, has improved the safe in utilization of combination formula converter to a certain extent, has spreading value.

Description

Combined frequency converter

Technical Field

The utility model relates to a converter technical field specifically is a modular converter.

Background

The frequency converter is an electric control device which applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the frequency of a working power supply of the motor. The frequency converter adjusts the output power supply voltage and frequency against the on-off of the internal IGBT, can provide the power supply voltage required by the motor according to the actual requirement of the motor, thereby achieving the purposes of energy saving and speed regulation. After the frequency conversion speed regulation control of the frequency converter is adopted, a mechanical system is simplified, so that the operation and the control are more convenient, and some of the mechanical system can even change the original process specification, thereby improving the functions of the whole equipment. With the continuous improvement of the industrial automation degree, the frequency converter is widely applied in various industries.

However, in the actual use process of the existing combined frequency converter, because the combined frequency converter has high power and high heat productivity, the frequency converter needs to be radiated, and the inside and outside gas exchange is carried out uninterruptedly for a long time, so that part of dust enters the box, and the normal use of the combined frequency converter is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular converter to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a combined frequency converter comprises a box body, wherein a heat dissipation column is fixedly arranged in the middle inside the box body, a plurality of airflow holes are arranged on the outer surface of the heat dissipation column, airflow pipes are fixedly connected with the middle parts of the two sides of the heat dissipation column, the airflow pipe is L-shaped, a motor is arranged inside the airflow pipe, the motor is fixedly connected with the inner wall of the airflow pipe through a bracket, one side of the motor, which is far away from the heat dissipation column, is movably connected with a transmission shaft, one end of the transmission shaft, which is far away from the motor, is movably connected with a driving gear, one side of the driving gear is movably connected with a first driven gear, the other side of the driving gear is movably connected with a second driven gear, the middle parts of the first driven gear and the second driven gear are movably connected with a lifting rack, one side of the bottom end of the lifting rack is in threaded connection with a supporting rod, and one end, far away from the lifting rack, of the supporting rod is in threaded connection with a dust screen.

Preferably, the front of box is fixed and is provided with mutual window, the inner wall top fixedly connected with circulation fan of box can keep the inside gas flow of box through the circulation fan.

Preferably, the outer side of one end, close to the motor, of the transmission shaft is movably connected with an exhaust fan blade, one end, close to the heat dissipation column, of the airflow pipe is in threaded connection with an air suction cover, the contact area between the airflow pipe and the heat dissipation column is increased through the air suction cover, and heat dissipation is facilitated.

Preferably, a plurality of partition plates are fixedly arranged inside the box body, two ends of the heat dissipation column penetrate through the partition plates respectively, the inside of the box body is layered by the partition plates, and gas exchange between each layer and the outside is carried out through the airflow holes.

Preferably, the inside of box is provided with the dust groove in the fixed bottom of dust screen that falls, the dust groove that falls is sickle-shaped, and the dust gliding of being convenient for through the dust groove that falls of sickle-shaped.

Preferably, the fixed silica gel scraper blade that is provided with in inner wall top in the dirt groove that falls, the bottom swing joint in the dirt groove that falls has the dust storage steamer tray, keeps the dust removal effect of dust screen through the silica gel scraper blade, and the dust storage steamer tray is used for the temporary storage dust.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this combination formula converter drives the transmission shaft rotation through the motor, and the transmission shaft drives the driving gear and rotates, makes first driven gear and second driven gear drive the lifting rack up-and-down motion, and when the dust screen up-and-down motion blockked the dust, utilizes the dust on the silica gel scraper blade clearance dust screen, can prevent that the dust from getting into in the box, has improved the safe in utilization of combination formula converter to a certain extent, has spreading value.

2. This combination formula converter carries out the layering through the baffle to the box, and each layer all goes on through the air current hole with external air current exchange, and the radiating effect can be guaranteed to the air current hole, maintains the circulation of inside gas through the circulation fan, can avoid appearing the too high phenomenon of local temperature in the box, and the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of a portion B of fig. 2 according to the present invention;

fig. 5 is a left side sectional view of the support rod of the present invention.

In the figure: 1. a box body; 2. an interactive window; 3. a circulating fan; 4. a partition plate; 5. a heat-dissipating column; 6. an airflow aperture; 7. a dust storage drawer; 8. a dust falling groove; 9. a silica gel scraper plate; 10. a lifting rack; 11. a first driven gear; 12. a strut; 13. a dust screen; 14. an airflow duct; 15. a drive shaft; 16. a driving gear; 17. an exhaust fan blade; 18. a motor; 19. a support; 20. an air intake cover; 21. a second driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The combined frequency converter shown in fig. 1-5 comprises a box body 1, a heat dissipation column 5 is fixedly arranged in the middle of the inside of the box body 1, airflow pipes 14 are fixedly connected to the middle portions of both sides of the heat dissipation column 5, the airflow pipes 14 are L-shaped, a motor 18 is arranged inside the airflow pipes 14, the motor 18 is fixedly connected to the inner wall of the airflow pipes 14 through a bracket 19, one side of the motor 18 away from the heat dissipation column 5 is movably connected to a transmission shaft 15, one end of the transmission shaft 15 away from the motor 18 is movably connected to a driving gear 16, one side of the driving gear 16 is movably connected to a first driven gear 11, the other side of the driving gear 16 is movably connected to a second driven gear 21, a lifting rack 10 is movably connected to the middle portions of the first driven gear 11 and the second driven gear 21, a support rod 12 is connected to one side of the bottom end of the lifting rack 10 through a screw thread, and one end of the support rod 12, which is far away from the lifting rack 10, is in threaded connection with a dust screen 13.

The front side of the box body 1 is fixedly provided with an interactive window 2, the box body 1 is operated through the interactive window 2, the outer side of one end, close to the motor 18, of the transmission shaft 15 is movably connected with exhaust fan blades 17, one end, close to the heat dissipation column 5, of the airflow pipe 14 is connected with an air suction cover 20 through threads, and airflow in the heat dissipation column 5 enters the airflow pipe 14 through the air suction cover 20.

The inside of box 1 is provided with the dirt groove 8 that falls in the fixed bottom of dust screen 13, the dirt groove 8 that falls is sickle-shaped, and dust screen 13 when reciprocating, clears up the dust through silica gel scraper blade 9, makes the dust fall into the dirt groove 8 that falls.

The fixed silica gel scraper blade 9 that is provided with in inner wall top of dust falling groove 8, the bottom swing joint in dust falling groove 8 has dust storage steamer tray 7, and the dust of clearance whereabouts is through dust storage steamer tray 7 temporary storage, and the staff only need take out in a period and store up dust steamer tray 7 and clear up can.

The implementation mode is specifically as follows: when the dust-proof device is used, the box body 1 can be operated through the interactive window 2, under the action of the exhaust fan blades 17, airflow in the heat dissipation column 5 enters the airflow pipe 14 through the air suction cover 20, the transmission shaft 15 is driven to rotate through the motor 18, the motor 18 is stably supported by the support 19, the transmission shaft 15 drives the driving gear 16 to simultaneously rotate while driving the exhaust fan blades 17 to rotate, the driving gear 16 drives the first driven gear 11 and the second driven gear 21 to simultaneously rotate, the first driven gear 11 and the second driven gear 21 can drive the lifting rack 10 to do reciprocating up-and-down motion when rotating, the support rod 12 drives the dust-proof net 13 to move up and down under the driving of the lifting rack 10, the height of the dust-proof net 13 is larger than that of the exhaust hole, the dust-proof effect on the exhaust hole can be kept due to the up-down movement of the dust-proof net 13, at the moment, dust is cleaned through the silica gel scraper 9, so that the dust on the surface of the dust-proof net 13 falls into the dust falling groove 8, the dust slides down to storing up dirt steamer tray 7 along the dust groove 8 that falls of hook-shaped, and the dust of clearing up the whereabouts at last passes through storing up dirt steamer tray 7 temporary storage, and the staff only need take out in a period store up dirt steamer tray 7 clear up can, not only can make the long-term stable work of combination formula converter, can also greatly reduced staff to the clearance degree of difficulty of combination formula converter, has improved the safety in utilization of combination formula converter to a certain extent, has spreading value.

As shown in fig. 2, the combined frequency converter further comprises a circulating fan 3 fixedly connected to the top of the inner wall of the box body 1, a plurality of partition plates 4 are fixedly arranged inside the box body 1, two ends of the heat dissipation column 5 respectively penetrate through the partition plates 4, and a plurality of airflow holes 6 are formed in the outer surface of the heat dissipation column 5.

The implementation mode is specifically as follows: carry out the layering through baffle 4 to box 1, each layer all carries out through air current hole 6 with external air current exchange, and the radiating effect can be guaranteed to air current hole 6, maintains inside gaseous circulation through circulation fan 3, can avoid appearing local high temperature phenomenon in the box 1, and the practicality is strong.

The utility model discloses a theory of operation:

referring to the attached drawings 1-5 of the specification, the transmission shaft 15 is driven to rotate by the motor 18, the transmission shaft 15 drives the driving gear 16 to rotate, the first driven gear 11 and the second driven gear 21 drive the lifting rack 10 to move up and down, the dust on the dust screen 13 is cleaned by the silica gel scraper 9 while the dust screen 13 moves up and down to block dust, the dust can be prevented from entering the box body 1, the use safety of the combined frequency converter is improved to a certain extent, and the combined frequency converter has popularization value.

Further, referring to specification figure 2, carrying out the layering through baffle 4 to box 1, each layer all goes on through air current hole 6 with external air current exchange, and radiating effect can be guaranteed to air current hole 6, maintains inside gaseous circulation through circulation fan 3, can avoid appearing local high temperature phenomenon in the box 1, and the practicality is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a modular converter, includes box (1), its characterized in that: the heat dissipation device is characterized in that a heat dissipation column (5) is fixedly arranged in the middle of the inside of the box body (1), a plurality of airflow holes (6) are formed in the outer surface of the heat dissipation column (5), airflow pipes (14) are fixedly connected to the middles of the two sides of the heat dissipation column (5), the airflow pipes (14) are L-shaped, a motor (18) is arranged inside the airflow pipes (14), the motor (18) is fixedly connected with the inner wall of the airflow pipes (14) through a support (19), one side, far away from the heat dissipation column (5), of the motor (18) is movably connected with a transmission shaft (15), one end, far away from the motor (18), of the transmission shaft (15) is movably connected with a driving gear (16), one side of the driving gear (16) is movably connected with a first driven gear (11), the other side of the driving gear (16) is movably connected with a second driven gear (21), and lifting racks (10) are movably connected to the middles of the first driven gear (11) and the second driven gear (21), one side of the bottom end of the lifting rack (10) is in threaded connection with a support rod (12), and one end, far away from the lifting rack (10), of the support rod (12) is in threaded connection with a dustproof net (13).

2. The combined frequency converter according to claim 1, wherein: the front of box (1) is fixed and is provided with mutual window (2), the inner wall top fixedly connected with circulation fan (3) of box (1).

3. The combined frequency converter according to claim 1, wherein: the outer side of one end, close to the motor (18), of the transmission shaft (15) is movably connected with exhaust fan blades (17), and one end, close to the heat dissipation column (5), of the airflow pipe (14) is connected with an air suction cover (20) in a threaded mode.

4. The combined frequency converter according to claim 1, wherein: the box is characterized in that a plurality of partition plates (4) are fixedly arranged inside the box body (1), and two ends of the heat dissipation column (5) penetrate through the partition plates (4) respectively.

5. The combined frequency converter according to claim 1, wherein: the dust collecting box is characterized in that a dust collecting groove (8) is fixedly formed in the bottom of the dustproof net (13) in the box body (1), and the dust collecting groove (8) is sickle-shaped.

6. The combined frequency converter according to claim 5, wherein: the inner wall top of dust falling groove (8) is fixedly provided with silica gel scraper blade (9), the bottom swing joint of dust falling groove (8) has dust storage steamer tray (7).