CN215528844U

CN215528844U - Wall-mounted variable-frequency speed regulator

Info

Publication number: CN215528844U
Application number: CN202120787566.9U
Authority: CN
Inventors: 孔令磊; 卞杰; 孔浩
Original assignee: Shandong Xinhexin Electric Co ltd
Current assignee: Shandong Xinhexin Electric Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2022-01-14
Anticipated expiration: 2031-04-17

Abstract

The utility model belongs to the technical field of speed regulators, and particularly relates to a wall-mounted variable frequency speed regulator which comprises a cabinet body, wherein an angle steel is installed on the rear end face of the cabinet body in a threaded mode, a groove is formed in one side, away from the cabinet body, of the angle steel, an installation plate is installed on one side, close to the groove, of the angle steel in a threaded mode, a metal sealing plate is welded on the inner wall of the cabinet body, a heat conduction plate is clamped on the inner wall of the cabinet body and the upper end face, located on the metal sealing plate, of the upper end face, a heat dissipation cavity is formed between the heat conduction plate and the top of the cabinet body, and a fin group is welded at the bottom of the heat dissipation cavity. According to the utility model, the angle steel is arranged to separate the cabinet body from the wall for a certain distance, so that moisture cannot be accumulated between the cabinet body and the wall, the cabinet provided with the speed regulator is not easy to corrode and damage, the service life of the cabinet body is prolonged, the wave shape of the fin group can increase the contact area of heat and wind, the heat dispersion performance of the device is enhanced, and the operation of the variable frequency speed regulator is more stable.

Description

Wall-mounted variable-frequency speed regulator

Technical Field

The utility model relates to the technical field of speed regulators, in particular to a wall-mounted variable-frequency speed regulator.

Background

The variable frequency speed regulator is a device for converting a power frequency power supply (50Hz or 60Hz) into alternating current power supplies with various frequencies to realize variable speed operation of a motor, wherein a control circuit completes control on a main circuit, a rectifying circuit converts alternating current into direct current, a direct current intermediate circuit performs smoothing filtering on the output of the rectifying circuit, and an inverter circuit inverts the direct current into alternating current. A variable frequency governor is an electrical device used to vary the frequency of an alternating current and has the additional function of varying the voltage of the alternating current. Conventionally, variable frequency speed regulators are generally incorporated in electric devices such as motor generators and rotary converters. With the advent of semiconductor electronics, it has become possible to produce fully independent variable frequency speed regulators, sometimes requiring a CPU for torque calculations and corresponding circuitry for such frequency converters as vector control frequency converters that require a large number of calculations. The frequency conversion speed regulation is realized by changing the frequency of power supply of a stator winding of a motor.

There are the following problems:

1. when the current variable frequency speed regulator is installed on a wall, the gap between the current variable frequency speed regulator and the wall is small, the current variable frequency speed regulator is easy to accumulate moisture, a cabinet provided with the speed regulator can be corroded and damaged for a long time, and the cabinet is particularly suitable for places with moisture, so that the service life of the cabinet is shortened.

2. In order to better protect the operation of the speed regulator, most of the heat dissipation devices in the current variable frequency speed regulators are isolated from the speed regulators and circuits, and because heat is not conducted in direct contact, the heat dissipation performance of most of the heat dissipation devices is not good enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a wall-mounted variable frequency speed regulator, which solves the problems that when the variable frequency speed regulator is mounted on a wall, the gap between the variable frequency speed regulator and the wall is small, and the heat dissipation performance is not good enough.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a wall-hanging variable frequency speed regulator, includes the cabinet body, the angle steel is installed to the rear end face screw thread of the cabinet body, one side that the cabinet body was kept away from to the angle steel is provided with the recess, the angle steel is close to one side screw thread of recess and installs the mounting panel, the inner wall welding of the cabinet body has the metal closing plate, the medial surface welding of metal closing plate has the mounting bracket, the inner wall of the cabinet body and the up end joint that is located the metal closing plate have the heat-conducting plate, form the heat dissipation chamber between the top of the heat-conducting plate and the cabinet body, the bottom welding in heat dissipation chamber has fin group, the medial surface of the cabinet body and the both sides that are located the heat dissipation chamber are provided with air intake and air outlet respectively, the medial surface of air intake and the equal joint of medial surface of air outlet have two sets of dust screens.

As a preferred technical scheme of the utility model, the gaps of the two groups of dust screens are filled with allochroic silica gel, and the heat conducting plate and the fin group are both made of copper-aluminum alloy.

As a preferred technical scheme of the utility model, the upper end face of the heat dissipation cavity is provided with a cabinet top in a threaded manner, and rain-shielding caps are welded on the outer surface of the cabinet body and on two sides of the heat dissipation cavity.

In a preferred embodiment of the present invention, the metal closing plate is filled with an insulating gas, and the fin group has a structure in which a plurality of wavy fins are combined together.

As a preferable technical scheme of the utility model, the angle steel and the mounting plate are both made of oil steel, and the inner side surface of the mounting plate is provided with a mounting hole.

According to a preferable technical scheme of the utility model, electrostatic powder spraying and heating melting treatment are carried out on the outer surface of the cabinet body and the outer surface of the cabinet top, and the angle steel is L-shaped.

As a preferred technical scheme of the utility model, the number of the angle steel, the mounting plate and the rain-shielding cap is two, and the outer surfaces of the angle steel and the mounting plate are subjected to blackening treatment.

Compared with the prior art, the utility model provides a wall-mounted variable-frequency speed regulator, which has the following beneficial effects:

1. this wall-hanging variable frequency speed regulator, through setting up the angle steel, the angle steel separates the cabinet body and wall apart a section distance, makes and can not store up the moisture between the cabinet body and the wall for the rack of installation speed regulator is difficult to be corroded, damages, has prolonged the life of the cabinet body.

2. This wall-hanging variable frequency speed regulator, through setting up the fin group, the wave shape of fin group can increase the area of contact of heat and wind, has strengthened the heat dispersion of this device, makes variable frequency speed regulator's operation more stable.

Drawings

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

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

fig. 3 is an external view of the present invention.

In the figure: 1. a cabinet body; 2. angle steel; 3. a groove; 4. mounting a plate; 5. a metal closing plate; 6. a mounting frame; 7. a heat conducting plate; 8. a heat dissipation cavity; 9. a fin set; 10. an air inlet; 11. an air outlet; 12. a dust screen; 13. a cabinet top; 14. a rain-proof cap; 15. and (7) installing holes.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a wall-hanging variable frequency speed regulator, the intelligent cabinet temperature adjusting device comprises a cabinet body 1, angle steel 2 is installed to the rear end face screw thread of the cabinet body 1, one side that the cabinet body 1 was kept away from to angle steel 2 is provided with recess 3, mounting panel 4 is installed to one side screw thread that angle steel 2 is close to recess 3, the inner wall welding of the cabinet body 1 has metal enclosed plate 5, the medial surface welding of metal enclosed plate 5 has mounting bracket 6, the inner wall of the cabinet body 1 and the up end joint that is located metal enclosed plate 5 have heat-conducting plate 7, form heat dissipation chamber 8 between the top of heat-conducting plate 7 and the cabinet body 1, the bottom welding of heat dissipation chamber 8 has fin group 9, the medial surface of the cabinet body 1 and the both sides that are located heat dissipation chamber 8 are provided with air intake 10 and air outlet 11 respectively, the medial surface of air intake 10 and the equal joint of air outlet 11 have two sets of dust screens 12.

In this embodiment, angle steel 2 conveniently fixes cabinet body 1 on the wall with the bolt, make variable frequency speed regulator hang on the wall, recess 3 is angle steel 2 and mounting panel 4's junction, make angle steel 2 can block mounting panel 4, make angle steel 2 and mounting panel 4's connection more firm, metal enclosed plate 5 adopts ABB welding technique welding together, live variable frequency speed regulator and circuit seal, mounting bracket 6 is used for installing variable frequency speed regulator, CPU, temperature sensor and circuit, there is negative-pressure air fan air outlet 11 department, can be with the air escape in heat dissipation chamber 8, dust screen 12 prevents that the dust from getting into heat dissipation chamber 8.

Specifically, the gaps between the two sets of dust screens 12 are filled with allochroic silica gel, and the heat conducting plate 7 and the fin set 9 are both made of copper-aluminum alloy.

In this embodiment, the allochroic silica gel can adsorb moisture in the air and keep the heat dissipation chamber 8 dry, and the heat conduction plate 7 and the fin group 9 made of copper-aluminum alloy have very good heat conductivity, so that heat generated by the variable frequency speed regulator can be quickly dissipated from the metal sealing plate 5.

Specifically, the top of the cabinet 13 is installed to the up end screw thread in heat dissipation chamber 8, and the rain-proof cap 14 has all been welded to the surface of the cabinet body 1 and the both sides that are located heat dissipation chamber 8.

In this embodiment, the top 13 protects the fin assembly 9, and the rain-proof cap 14 prevents water from dropping into the heat dissipation chamber 8 when water is on the eave, wall or ceiling.

Specifically, the metal closing plate 5 is filled with an insulating gas, and the fin group 9 is a structure in which a plurality of wavy fins are combined together.

In this embodiment, when the circuit is short-circuited, the insulating gas can effectively prevent the cabinet body 1 from being ignited, the variable frequency speed regulator from being burnt, and the wave shape of the fins can increase the contact area between the fin group 9 and the air.

Specifically, the angle steel 2 and the mounting plate 4 are both made of oil steel, and the inner side surface of the mounting plate 4 is provided with a mounting hole 15.

In this embodiment, oily steel texture is hard, and intensity is high, and the pull resistance is good for angle steel 2 and mounting panel 4 can bear great weight, and mounting hole 15 makes things convenient for installer to fix mounting panel 4 on the wall with the inflation screw.

Specifically, electrostatic powder spraying and heating melting treatment are carried out on the outer surface of the cabinet body 1 and the outer surface of the cabinet top 13, and the angle steel 2 is L-shaped.

In this embodiment, electrostatic powder spraying and heating melting are common aluminum profile surface treatment processes, and can improve the anticorrosion performance of the cabinet body 1 and the cabinet top 13, and the shape of the angle steel 2 enables the cabinet body 1 and the wall to be separated by a certain distance, provides an operating space for screwing the screw for installing the cabinet body 1, and enables the cabinet body 1 and the wall not to accumulate moisture, and prevents the cabinet body 1 from being corroded and damaged due to water soaking on the surface.

Specifically, the number of the angle iron 2, the mounting plate 4 and the rain hat 14 is two, and the outer surface of the angle iron 2 and the outer surface of the mounting plate 4 are blackened.

In this embodiment, blackening can improve the antirust capacity of angle steel 2 and mounting panel 4, has prolonged angle steel 2 and mounting panel 4's life.

The working principle and the using process of the utility model are as follows: when the cabinet is installed, the two ends of the mounting plate 4 are bent by a bending machine, holes are drilled on the wall, the mounting plate 4 is fixed on the wall by expansion screws, the groove 3 on the angle steel 2 is sleeved on the mounting plate 4, the bent part of the mounting plate 4 is tightly attached to the side surface of the angle steel 2, a spring gasket is additionally arranged and the screws are screwed, the angle steel 2 is fixed on the mounting plate 4, the cabinet body 1 is installed on the angle steel 2 by the screws, because the cabinet body 1 and the wall are separated by the angle steel 2 for a certain distance, moisture can not be accumulated between the cabinet body 1 and the wall, so that the cabinet body 1 is not easy to corrode and damage, the service life of the cabinet body 1 is prolonged, when the cabinet is used, a variable frequency speed regulator in the metal sealing plate 5 converts a power frequency (50Hz or 60Hz) into alternating current power supplies with various frequencies, when more heat is emitted, the heat can enter the heat conducting plate 7 and is transferred to the fin group 9, and meanwhile, the temperature sensor detects the temperature change in the metal sealing plate 5, the negative pressure fan starts to operate, air in the heat dissipation cavity 8 is discharged from the air outlet 11, negative pressure is formed in the heat dissipation cavity 8, external air enters the heat dissipation cavity 8 from the air inlet 10, and due to the fact that the surface area of the wave-shaped fin group 9 is large, the contact area between heat on the fin group 9 and the wind is large, the heat dissipation performance of the device is enhanced, and the operation of the variable frequency speed regulator is stable.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a wall-hanging variable frequency speed regulator, includes cabinet body (1), its characterized in that: an angle steel (2) is installed on the rear end face of the cabinet body (1) in a threaded mode, a groove (3) is formed in one side, far away from the cabinet body (1), of the angle steel (2), an installation plate (4) is installed on one side of the angle steel (2) close to the groove (3) in a threaded manner, the inner wall of the cabinet body (1) is welded with a metal closing plate (5), the inner side surface of the metal closing plate (5) is welded with a mounting rack (6), a heat conducting plate (7) is clamped on the inner wall of the cabinet body (1) and positioned on the upper end face of the metal closing plate (5), a heat dissipation cavity (8) is formed between the heat conduction plate (7) and the top of the cabinet body (1), the bottom of the heat dissipation cavity (8) is welded with a fin group (9), the inner side surface of the cabinet body (1) and two sides of the heat dissipation cavity (8) are respectively provided with an air inlet (10) and an air outlet (11), the medial surface of air intake (10) and the medial surface of air outlet (11) all the joint have two sets of dust screens (12).

2. A wall-mounted variable frequency governor according to claim 1 wherein: and the gaps of the two groups of dust screens (12) are filled with allochroic silica gel, and the heat-conducting plate (7) and the fin group (9) are both made of copper-aluminum alloy.

3. A wall-mounted variable frequency governor according to claim 1 wherein: the utility model discloses a rain-proof cabinet, including the heat dissipation chamber (8), the up end screw thread in heat dissipation chamber (8) installs cabinet top (13), rain-proof cap (14) have all been welded to the surface of the cabinet body (1) and the both sides that are located heat dissipation chamber (8).

4. A wall-mounted variable frequency governor according to claim 1 wherein: the metal closing plate (5) is filled with insulating gas, and the fin group (9) is of a structure formed by combining a plurality of wavy fins.

5. A wall-mounted variable frequency governor according to claim 1 wherein: the angle steel (2) and the mounting plate (4) are both made of oil steel, and mounting holes (15) are formed in the inner side face of the mounting plate (4).

6. A wall-mounted variable frequency governor according to claim 1 wherein: the outer surface of the cabinet body (1) and the outer surface of the cabinet top (13) are subjected to electrostatic powder spraying and heating melting treatment, and the angle steel (2) is L-shaped.

7. A wall-mounted variable frequency governor according to claim 1 wherein: the quantity of angle steel (2), mounting panel (4) and rainhat (14) is two sets of, the surface of angle steel (2) and the surface of mounting panel (4) all make the processing of blackening.