阅读说明：本技术 一种变频器机箱及底座 (Frequency converter case and base ) 是由 何来传 于 2020-12-24 设计创作，主要内容包括：本发明公开一种变频器机箱及底座,属于变频器技术领域,包括箱体,箱体的内部设有支撑板,支撑板上设有散热片,箱体内壁两侧均设有散热孔,散热孔上包覆有一层第一防尘网,箱体的内壁后侧设有制冷机构,制冷机构的一端设置在箱体内部,制冷机构的另一端设置在箱体外部,制冷机构的左右两侧均对称设有一个干燥盒,干燥盒的外表面开设有若干个通孔,箱体内部底侧开设有三个固定槽,固定槽内均设有一个吸尘风机；本发明通过螺柱、伸缩弹簧与挡板的相互配合,可对箱体进行安装固定,方便操作人员安装拆卸,减轻工作人员的劳资强度,通过设有的防滑固定纹的配合,可使箱体在底座上安装的更加牢固。(The invention discloses a frequency converter case and a base, which belong to the technical field of frequency converters and comprise a case body, wherein a supporting plate is arranged in the case body, radiating fins are arranged on the supporting plate, radiating holes are formed in the two sides of the inner wall of the case body, a first dustproof net is wrapped on the radiating holes, a refrigerating mechanism is arranged on the rear side of the inner wall of the case body, one end of the refrigerating mechanism is arranged in the case body, the other end of the refrigerating mechanism is arranged outside the case body, drying boxes are symmetrically arranged on the left side and the right side of the refrigerating mechanism, a plurality of through holes are formed in the outer surface of each drying box, three fixing grooves are formed in the; the box body can be installed and fixed through the mutual matching of the stud, the telescopic spring and the baffle, so that the installation and the disassembly of operators are facilitated, the labor intensity of workers is reduced, and the box body can be more firmly installed on the base through the matching of the anti-skidding fixing grains.)

1. A frequency converter case and a base thereof comprise a case body (1), and are characterized in that a supporting plate (2) is arranged inside the case body (1), radiating fins (3) are arranged on the supporting plate (2), radiating holes (4) are formed in two sides of the inner wall of the case body (1), a first dustproof net (5) is coated on the radiating holes (4), a refrigerating mechanism (6) is arranged on the rear side of the inner wall of the case body (1), one end of the refrigerating mechanism (6) is arranged inside the case body (1), the other end of the refrigerating mechanism (6) is arranged outside the case body (1), a drying box (7) is symmetrically arranged on each of the left side and the right side of the refrigerating mechanism (6), a plurality of through holes (8) are formed in the outer surface of the drying box (7), three fixing grooves (9) are formed in the bottom side of the case body (1), and a dust collection fan (10) is arranged in each fixing, spout (11) have been seted up to the bottom of dust absorption fan (10), be equipped with sliding connection in spout (11) and have slider (12), be equipped with standing groove (13) in slider (12), place dust absorption pad (14) in standing groove (13), box (1) is close to all being equipped with first anti-skidding fixed line (34) around the bottom, the bottom of box (1) is equipped with base (24).

2. The frequency converter cabinet and base according to claim 1, wherein the base (24) comprises a mounting plate (25), a support column (26) is arranged at the bottom end of the mounting plate (25), a mounting groove (27) is formed in the top end of the mounting plate (25), expansion springs (28) are arranged on the left side and the right side of the inner wall of the mounting groove (27), a first baffle (29) is connected to the top end of each expansion spring (28), threaded holes (30) are formed in the front side and the rear side of the inner wall of the mounting groove (27), a stud (31) is matched with the threaded holes (30) in a threaded manner, a handle (32) is fixedly connected to one end of each stud (31), and a second baffle (33) is fixedly connected to the other end of each stud (31).

3. The frequency converter cabinet and base according to claim 1, wherein the refrigeration mechanism (6) comprises an air suction device (15), one end of the air suction device (15) is provided with a plurality of air suction pipes (16), one end of each air suction pipe (16) is provided with a second dust screen (17), the other end of each air suction device (15) is connected with an air drying bin (18), one end of each air drying bin (18) is connected with a refrigeration fan (19), the refrigeration fan (19) is located inside the box body (1), the top end of each air suction device (15) is provided with a single chip microcomputer (20), and the single chip microcomputer (20) is electrically connected with the air suction device (15) and the refrigeration fan (19) respectively.

4. The frequency converter cabinet and base as claimed in claim 1, wherein a cabinet door (21) is further hinged to the cabinet body (1), a first rubber sealing strip (22) is arranged around the cabinet door (21), a second rubber sealing strip (23) is arranged around one side of the cabinet body (1) close to the cabinet door (21), and the first rubber sealing strip (22) and the second rubber sealing strip (23) are matched with each other.

5. The frequency converter cabinet and base as claimed in claim 2, wherein the first baffle (29) and the second baffle (33) are provided with second anti-skid fixing patterns (35) at ends close to the cabinet body (1), the second anti-skid fixing patterns (35) are matched with the first anti-skid fixing patterns (34), and the second anti-skid fixing patterns (35) and the first anti-skid fixing patterns (34) are composed of criss-cross clamping posts (36) and clamping grooves (37).

6. The frequency converter cabinet and pedestal as claimed in claim 2, wherein the bottom of the mounting groove (27) is provided with a plurality of water guide holes (38).

Technical Field

The invention belongs to the technical field of frequency converters, and particularly relates to a frequency converter case and a base.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of a motor, and further achieves the purposes of energy conservation and speed regulation.

Because the core circuit module of converter body has characteristics such as integrated level height, high frequency, high pressure, high speed, and power device loss produces heat in the major loop, leads to its during operation to generate heat seriously, influences the working effect of converter. Traditional converter has only seted up the heat dissipation window on its casing, and its radiating effect is limited, if can not in time dispel the heat, can influence the life of converter, and when the converter was used under some abominable bad circumstances, dust and moisture got into easily, led to the fact the damage to the converter, the converter bottom generally all is equipped with the supporting seat, traditional converter bottom is passed through threaded nut and is connected with the base, inconvenient installation, and the nut rusts easily, and it is very troublesome to dismantle.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a frequency converter case and a base, which are used for solving the problems that the traditional frequency converter case is not good in heat dissipation performance, dust and moisture are easy to enter a case body, and the base is inconvenient to mount and dismount.

The purpose of the invention can be realized by the following technical scheme:

a frequency converter case and a base comprise a case body, wherein a supporting plate is arranged inside the case body, radiating fins are arranged on the supporting plate, radiating holes are formed in two sides of the inner wall of the case body, a first dust screen is wrapped on the radiating holes, a refrigerating mechanism is arranged on the rear side of the inner wall of the case body, one end of the refrigerating mechanism is arranged inside the case body, the other end of the refrigerating mechanism is arranged outside the case body, a drying box is symmetrically arranged on the left side and the right side of the refrigerating mechanism, a plurality of through holes are formed in the outer surface of the drying box, three fixing grooves are formed in the bottom side of the inside of the case body, a dust suction fan is arranged in each fixing groove, a sliding groove is formed in the bottom end of the dust suction fan, a sliding block is connected in the sliding groove in a sliding mode, a placing groove is formed in the placing groove, the bottom of the box body is provided with a base.

Further, the base includes the mounting panel, the bottom of mounting panel is equipped with the support column, the mounting groove has been seted up on the top of mounting panel, the inner wall left and right sides of mounting groove all is equipped with expanding spring, expanding spring's top is connected with first baffle, both sides all set up threaded hole around the inner wall of mounting groove, screw hole female fit has the double-screw bolt, the one end fixedly connected with handle of double-screw bolt, the other end fixedly connected with second baffle of double-screw bolt.

Further, refrigeration mechanism includes the aspirator, one of aspirator is served and is equipped with a plurality of aspiration channel, the one end of aspiration channel is equipped with the second dust screen, the other end of aspirator is connected with the air drying storehouse, the one end in air drying storehouse is connected with the refrigeration fan, the refrigeration fan is located inside the box, the top of aspirator is equipped with single chip microcomputer control, single chip microcomputer control respectively with aspirator and refrigeration fan electric connection.

Further, still articulated on the box have the chamber door, be equipped with first rubber seal all around of chamber door, one side that the box is close to the chamber door is equipped with second rubber seal all around, and first rubber seal and second rubber seal mutually support.

Furthermore, the one end that first baffle and second baffle are close to the box all is equipped with the fixed line of second antiskid, and the fixed line of second antiskid and the fixed line of first antiskid are mutually supported, the fixed line of second antiskid and the fixed line of first antiskid are constituteed by vertically and horizontally staggered's card post and draw-in groove.

Furthermore, the bottom of mounting groove is equipped with a plurality of diversion hole.

The invention has the beneficial effects that:

1. according to the invention, the rubber sealing strip and the dust screen are arranged, so that dust can be prevented from entering the box body, the dust in the box body can be adsorbed into the dust absorption pad by the dust absorption fan arranged at the bottom, the interference of the dust on a frequency converter circuit is reduced, the heat in the box body can be reduced by the refrigerating mechanism and the heat dissipation holes, the heat dissipation performance is improved, the service life of components can be greatly prolonged, and the drying agent in the drying box can dry the air in the box body, so that the influence of moisture on the components is prevented.

2. The box body can be installed and fixed through the mutual matching of the stud, the telescopic spring and the baffle, so that the installation and the disassembly of operators are facilitated, the labor intensity of workers is reduced, and the box body can be more firmly installed on the base through the matching of the anti-skidding fixing grains.

Drawings

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram I of the box body;

FIG. 3 is a schematic structural view II of the case;

FIG. 4 is a schematic view of the construction of the refrigeration mechanism;

FIG. 5 is a schematic view of the structure of the base;

fig. 6 is an enlarged schematic view at a in fig. 5.

The reference numbers in the figures illustrate:

1. a box body; 2. a support plate; 3. a heat sink; 4. heat dissipation holes; 5. a first dust screen; 6. a refrigeration mechanism; 7. drying the box; 8. a through hole; 9. fixing grooves; 10. a dust collection fan; 11. a chute; 12. a slider; 13. a placement groove; 14. a dust absorption pad; 15. an air suction device; 16. an air suction pipe; 17. a second dust screen; 18. an air drying bin; 19. a refrigeration fan; 20. controlling by a single chip microcomputer; 21. a box door; 22. a first rubber seal strip; 23. a second rubber seal strip; 24. a base; 25. mounting a plate; 26. a support pillar; 27. mounting grooves; 28. a tension spring; 29. a first baffle plate; 30. a threaded hole; 31. a stud; 32. a handle; 33. a second baffle; 34. a first anti-slip fastening line; 35. a second anti-slip fixing pattern; 36. clamping the column; 37. a card slot; 38. a water diversion hole.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

A frequency converter case and a base are disclosed as shown in figures 1-3, comprising a case body 1, a support plate 2 is arranged inside the case body 1, a heat sink 3 is arranged on the support plate 2, the support plate 2 is used for mounting some components required by the frequency converter, the heat sink 3 can dissipate the heat generated by the components, heat dissipation holes 4 are arranged on both sides of the inner wall of the case body 1, a first dust screen 5 is coated on the heat dissipation holes 4, the heat dissipation holes 4 can dissipate the heat inside the case body 1, the first dust screen 5 can prevent the dust from entering the inside of the case body 1 from the heat dissipation holes 4 to cause interference to the circuits of the components in the case, a refrigeration mechanism 6 is arranged on the rear side of the inner wall of the case body 1, one end of the refrigeration mechanism 6 is arranged inside the case body 1 as shown in figure 4, the other end of the refrigeration mechanism 6 is arranged outside the case body 1, the, one end of the air suction pipe 16 is provided with a second dustproof net 17, the other end of the air suction device 15 is connected with an air drying bin 18, one end of the air drying bin 18 is connected with a refrigerating fan 19, the refrigerating fan 19 is positioned inside the box body 1, the top end of the air suction device 15 is provided with a single chip microcomputer controller 20, the single chip microcomputer controller 20 is respectively electrically connected with the air suction device 15 and the refrigerating fan 19, the second dustproof net 17 can prevent dust from entering the box body from the air suction pipe 16, the single chip microcomputer controller 20 can control the refrigerating mechanism 6 to refrigerate the inside of the box body 1, hot air inside the box body 1 is reduced, the service life of components is prolonged, the left side and the right side of the refrigerating mechanism 6 are symmetrically provided with a drying box 7, the outer surface of the drying box 7 is provided with a plurality of through holes 8, drying agents are arranged in the drying box, three fixing grooves 9 are arranged at the bottom side in the box body 1, a dust suction fan 10 is arranged in each fixing groove 9, a sliding groove 11 is arranged at the bottom end of each dust suction fan 10, a sliding block 12 is connected in each sliding groove 11 in a sliding manner, a placing groove 13 is arranged in each sliding block 12, a dust suction pad 14 is arranged in each placing groove 13, first anti-skidding fixing patterns 34 are arranged on the periphery of the box body 1 close to the bottom, a base 24 is arranged at the bottom of the box body 1, each sliding block 12 is made into a similar drawer type, the dust suction pad 14 can be conveniently replaced at any time, a box door 21 is hinged to the box body 1, first rubber sealing strips 22 are arranged on the periphery of the box door 21, second rubber sealing strips 23 are arranged on the periphery of one side, through the mutual cooperation of the second rubber sealing strip 23 and the first rubber sealing strip 22, the box door 21 is tightly closed, and dust entering the box is reduced.

As shown in fig. 5 and 6, the base 24 includes a mounting plate 25, a supporting column 26 is disposed at the bottom end of the mounting plate 25, a mounting groove 27 is disposed at the top end of the mounting plate 25, expansion springs 28 are disposed on both left and right sides of an inner wall of the mounting groove 27, a first baffle 29 is connected to the top end of the expansion spring 28, threaded holes 30 are disposed on both front and rear sides of the inner wall of the mounting groove 27, a stud 31 is in threaded fit with the threaded holes 30, a handle 32 is fixedly connected to one end of the stud 31, a second baffle 33 is fixedly connected to the other end of the stud 31, second anti-skid fixing patterns 35 are disposed at one ends of the first baffle 29 and the second baffle 33 close to the box body 1, the second anti-skid fixing patterns 35 are matched with the first anti-skid fixing patterns 34, each of the second anti-skid fixing patterns 35 and the first anti-skid fixing patterns 34 is, the water diversion hole 38 can drain water in the mounting groove 27, so that water flow cannot gather in the mounting groove 27, the corrosion of rainwater to the box body 1 is reduced, and the second anti-skid fixing patterns 35 can be matched with the first anti-skid fixing patterns 34 on the periphery of the box body 1, so that the box body 1 is more firmly mounted on the base 24.

When the dust-proof box is used, the second rubber sealing strip 23, the first rubber sealing strip 22, the first dust-proof net 5 and the second dust-proof net 17 are arranged, so that dust can be reduced to enter the box body 1, the dust in the box body 1 can be absorbed into the dust absorption pad 14 by the dust absorption fan 10 arranged at the bottom, the interference of the dust to a frequency converter circuit is reduced, the heat in the box can be reduced by the refrigerating mechanism 6 and the heat dissipation holes 4, the heat emitted by components can be neutralized by cold air of the refrigerating mechanism 6, the heat dissipation performance is improved, the service life of the components can be greatly prolonged, and the drying agent in the drying box 7 can dry the air in the box body 1 and prevent the influence of moisture on the components; during the installation, place box 1 in mounting groove 27, the cooperation that telescopic spring 28 and first baffle 29 are passed through to both sides is tentatively fixed box 1, owing to the fixed line 35 of second antiskid who is equipped with mutually supports with fixed line 34 of first antiskid, can make box 1 fixed more firm, then rotate two double-screw bolts 31 and drive two second baffles 33 and move to the phase shift, extrude fixedly box 1, make things convenient for operating personnel to install and dismantle.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.