CN216216489U

CN216216489U - Frequency converter convenient to disassemble and assemble and used for industrial automatic control instrument

Info

Publication number: CN216216489U
Application number: CN202122674222.XU
Authority: CN
Inventors: 王桂明; 高悦
Original assignee: Jinan Zhengxian Intelligent Technology Co ltd
Current assignee: Jinan Zhengxian Intelligent Technology Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-05
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a frequency converter convenient to disassemble and assemble for an industrial automatic control instrument, which comprises a lower shell, wherein four corners of the front end of the lower shell are fixedly connected with limiting rods, the front end of the lower shell is fixedly connected with a clamping ring, one end of the outer side of the clamping ring is connected with an upper shell through a groove, four corners of the bottom end of the upper shell are respectively provided with a limiting hole, the rear parts of the left end and the right end of the upper shell are respectively fixedly connected with two first mounting seats, the bottom of the outer diameter of a bolt is respectively in threaded connection with a second mounting seat, and the middle part of the front end of the second mounting seat is respectively provided with a mounting hole. According to the utility model, the upper shell is convenient to mount on the lower shell by arranging the first mounting seat and the bolt on the upper shell, and the frequency converter is convenient to mount at a proper position by arranging the second mounting seat and the mounting hole on the lower shell.

Description

Frequency converter convenient to disassemble and assemble and used for industrial automatic control instrument

Technical Field

The utility model relates to the field of frequency converters, in particular to a frequency converter convenient to disassemble and assemble for an industrial automatic control instrument.

Background

The frequency converter is a power control device which applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the working power supply frequency mode of the motor, and mainly comprises a rectification unit (alternating current to direct current), a filtering unit, an inversion unit (direct current to alternating current), a braking unit, a driving unit, a detection unit microprocessing unit and the like.

Chinese patent document CN210578333U discloses a frequency converter convenient for disassembly and assembly, which includes an upper housing, a heat sink and a lower cover, wherein the upper housing is used for accommodating frequency converter components, and the lower ends of the two opposite side plates are respectively provided with a bayonet, the heat sink includes a heat dissipation top plate, one side of the heat dissipation top plate extends downwards to form a side support plate, the bottom end of the side support plate is provided with a supporting bottom plate, the side support plate extends along the height direction of the side support plate towards the other side of the heat dissipation top plate in a direction parallel to the heat dissipation top plate to form a plurality of heat dissipation fins, the heat dissipation fins are distributed at intervals to form a heat dissipation air duct, the lower cover is used for placing the heat sink, and includes a bottom plate, the heat sink is installed on the bottom plate, and the bottom plate is provided with a convex block corresponding to the bayonet for being engaged with the bayonet to cover the lower part of the upper housing. The device is divided into an upper shell, a radiator and a lower cover body, is independently designed, has good ventilation and heat dissipation effects, and is clamped by matching the bayonet and the lug so as to facilitate the disassembly, assembly and maintenance of the frequency converter, but has problems, such as inconvenient assembly and disassembly of the frequency converter, incapability of ensuring the running stability of the frequency converter and the like, and therefore, the existing frequency converter is improved to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a frequency converter for an industrial automatic control instrument, which is convenient to disassemble and assemble.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an industry automatic control instrument is with converter of dismouting of being convenient for, includes casing down, casing front end middle part fixedly connected with flat wave return circuit down, flat wave return circuit top middle part fixedly connected with rectifier, flat wave return circuit bottom middle part fixedly connected with dc-to-ac converter, the equal fixedly connected with gag lever post in casing front end four corners down, casing front end fixedly connected with rand down, there is the casing rand outside one end through groove connection, it all is provided with spacing hole to go up casing bottom four corners, go up two first mount pads of the equal fixedly connected with in both ends rear portion about the casing, the equal threaded connection in first mount pad middle part has the bolt, the equal threaded connection in bolt external diameter bottom has the second mount pad, second mount pad front end middle part all is provided with the mounting hole.

As a further description of the above technical solution:

and one end of the inner side of the second mounting seat is fixedly connected to the upper side and the lower side of the left end and the right end of the lower shell respectively.

As a further description of the above technical solution:

go up the casing and all be provided with a plurality of radiating grooves in the middle part of both ends about, the equal fixedly connected with filter screen in radiating groove.

As a further description of the above technical solution:

the front end of the clamping ring is fixedly connected with a rubber pad.

As a further description of the above technical solution:

the outer diameters of the limiting rods are connected to the inner wall of the limiting hole in a sliding mode.

As a further description of the above technical solution:

the top of the front end of the upper shell is fixedly connected with a display screen.

As a further description of the above technical solution:

and the bottom of the front end of the upper shell is fixedly connected with a control panel.

As a further description of the above technical solution:

the top end of the upper shell is provided with two first line interfaces, and the bottom end of the upper shell is provided with two second line interfaces.

The utility model has the following beneficial effects:

1. according to the utility model, the upper shell is convenient to mount on the lower shell by arranging the first mounting seat and the bolt on the upper shell, and the frequency converter is convenient to mount at a proper position by arranging the second mounting seat and the mounting hole on the lower shell.

2. According to the utility model, the limiting rod and the limiting hole are matched with the clamping ring and the groove, so that the stability of the frequency converter during operation is ensured, the heat dissipation groove and the filter screen are arranged, so that the heat dissipation of the electric element in the frequency converter is facilitated, the electric element is prevented from being damaged by air impurities, the normal operation of the electric element is ensured, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic perspective view of a frequency converter for an industrial automatic control instrument, which is provided by the present invention and is easy to assemble and disassemble;

FIG. 2 is a front sectional view of a frequency converter for an industrial automatic control instrument, which is convenient to disassemble and assemble;

FIG. 3 is a right sectional view of a frequency converter for an industrial automatic control instrument, which is provided by the present invention and is easy to be disassembled and assembled;

fig. 4 is a left side sectional view of a frequency converter for an industrial automatic control instrument, which is provided by the utility model and is convenient to disassemble and assemble.

Illustration of the drawings:

1. a lower housing; 2. an upper housing; 3. a heat sink; 4. a filter screen; 5. a first mounting seat; 6. a bolt; 7. a second mounting seat; 8. mounting holes; 9. a display screen; 10. a control panel; 11. an inverter; 12. a first line interface; 13. a rectifier; 14. a smoothing circuit; 15. a second line interface; 16. a groove; 17. a collar; 18. a rubber pad; 19. a limiting hole; 20. a limiting rod.

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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a frequency converter convenient for dismounting and mounting for an industrial automatic control instrument comprises a lower shell 1, a flat wave loop 14 is fixedly connected to the middle part of the front end of the lower shell 1, a rectifier 13 is fixedly connected to the middle part of the top end of the flat wave loop 14, an inverter 11 is fixedly connected to the middle part of the bottom end of the flat wave loop 14 to ensure the normal work function of the frequency converter, limiting rods 20 are fixedly connected to four corners of the front end of the lower shell 1, a retainer ring 17 is fixedly connected to the front end of the lower shell 1, one end of the outer side of the retainer ring 17 is connected with an upper shell 2 through a groove 16, limiting holes 19 are arranged at four corners of the bottom end of the upper shell 2 to ensure the stability of the frequency converter during operation, two first mounting seats 5 are fixedly connected to the rear parts of the left end and the right end of the upper shell 2, bolts 6 are connected to the middle parts of the first mounting seats 5 through threads, a second mounting seat 7 is connected to the bottom part of the outer diameter of the bolts 6 through threads, the upper shell 2 is convenient for mounting, mounting holes 8 are arranged in the middle part of the front end of the second mounting seat 7, be convenient for install the converter, through be provided with first mount pad 5 and bolt 6 on last casing 2, be convenient for install casing 2 down on casing 1, through be provided with second mount pad 7 and mounting hole 8 on casing 1 down, be convenient for install suitable position with the converter, converter simple structure, the converter is installed and is dismantled to the staff of being convenient for, work efficiency is improved, mutually support between spacing pole 20 and spacing hole 19 and rand 17 and recess 16, guarantee the stability when converter moves, through being provided with radiating groove 3 and filter screen 4, the inside electric elements of converter of being convenient for dispels the heat, prevent that air impurity from haring electric elements, guarantee electric elements's normal operating, work efficiency is improved.

The upper and lower both sides at both ends are controlled at casing 1 to inboard one end difference fixed connection of second mount pad 7, install casing 2, both ends middle part all is provided with a plurality of radiating grooves 3 about going up casing 2, dispel the heat, the inside equal fixedly connected with filter screen 4 of radiating groove 3, isolated air impurity, rand 17 front end fixedly connected with rubber pad 18, play the effect of buffering, the equal sliding connection of gag lever post 20 external diameter is at spacing 19 inner walls of hole, stability when guaranteeing the device operation, go up casing 2 front end top fixedly connected with display screen 9, display data, go up casing 2 front end bottom fixedly connected with control panel 10, control circuit, it is provided with two first line interfaces 12 to go up casing 2 top, it is provided with two second line interfaces 15 to go up casing 2 bottom, carry out the circuit wiring.

The working principle is as follows: through being provided with first mount pad 5 and bolt 6 on last casing 2, be convenient for install casing 2 down on casing 1, through be provided with second mount pad 7 and mounting hole 8 on casing 1 down, be convenient for install suitable position with the converter, converter simple structure, the staff's installation of being convenient for and dismantlement converter, work efficiency has been improved, mutually support through between gag lever post 20 and spacing hole 19 and rand 17 and recess 16, guarantee the stability when the converter moves, through being provided with radiating groove 3 and filter screen 4, the inside electric elements of converter of being convenient for dispels the heat, prevent that air impurity from haring electric elements, guarantee electric elements's normal operating, work efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an industry automatic control instrument is with converter of dismouting of being convenient for, includes lower casing (1), its characterized in that: the middle part of the front end of the lower shell (1) is fixedly connected with a flat wave loop (14), the middle part of the top end of the flat wave loop (14) is fixedly connected with a rectifier (13), the middle part of the bottom end of the flat wave loop (14) is fixedly connected with an inverter (11), four corners of the front end of the lower shell (1) are fixedly connected with limiting rods (20), a clamping ring (17) is fixedly connected with the front end of the lower shell (1), one end of the outer side of the clamping ring (17) is connected with the upper shell (2) through a groove (16), limiting holes (19) are arranged at four corners of the bottom end of the upper shell (2), two first mounting seats (5) are fixedly connected to the rear parts of the left end and the right end of the upper shell (2), the middle part of the first mounting seat (5) is in threaded connection with a bolt (6), the bottom of the outer diameter of the bolt (6) is in threaded connection with a second mounting seat (7), and the middle part of the front end of the second mounting seat (7) is provided with a mounting hole (8).

2. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: one end of the inner side of the second mounting seat (7) is fixedly connected to the upper side and the lower side of the left end and the right end of the lower shell (1) respectively.

3. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: go up casing (2) and all be provided with a plurality of radiating grooves (3) in the middle part of controlling both ends, equal fixedly connected with filter screen (4) in radiating groove (3) inside.

4. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: the front end of the clamping ring (17) is fixedly connected with a rubber pad (18).

5. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: the outer diameters of the limiting rods (20) are connected to the inner wall of the limiting hole (19) in a sliding mode.

6. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: the top of the front end of the upper shell (2) is fixedly connected with a display screen (9).

7. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: the bottom of the front end of the upper shell (2) is fixedly connected with a control panel (10).

8. The frequency converter convenient to disassemble and assemble for the industrial automatic control instrument according to claim 1, characterized in that: two first line interfaces (12) are arranged at the top end of the upper shell (2), and two second line interfaces (15) are arranged at the bottom end of the upper shell (2).