CN215990539U

CN215990539U - Shell of variable frequency speed regulator

Info

Publication number: CN215990539U
Application number: CN202120787567.3U
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: 2022-03-08
Anticipated expiration: 2031-04-17

Abstract

The utility model belongs to the technical field of frequency conversion, and particularly relates to a shell of a variable frequency speed regulator, which comprises a shell, wherein the shell is made of aluminum alloy, the inner side surface of the shell is provided with vent holes, the inner side surfaces of the vent holes are glued with dust screens, the number of the dust screens is eight, the upper end surface of the shell is welded with a top plate, the outer surface of the shell is welded with a water inlet pipe, the inner side surface of the water inlet pipe is glued with two groups of activated carbon plates, the front end surface of a door plate is welded with radiating fins, the lower end surfaces of the radiating fins are welded with a controller, the lower part of the controller is in threaded connection with a safety identification sticker, and the safety identification sticker is made of aluminum. According to the utility model, the active carbon plate is arranged to adsorb impurities in water in the cooling pipe, so that the phenomenon that the inside of the cooling pipe is rusted due to excessive impurities in water is avoided, the inside of the cooling pipe is prevented from being blocked, and the dust screen is arranged to prevent external dust from entering the shell, so that the service life of the variable frequency speed regulator is prolonged.

Description

Shell of variable frequency speed regulator

Technical Field

The utility model relates to the technical field of frequency conversion, in particular to a shell of a 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 controls 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, an inverter circuit inverts the direct current into alternating current, and the variable frequency speed regulator meets various installation environments in the actual installation and use process.

There are the following problems:

1. the water impurity that uses in the inside water pipe of shell of current variable frequency speed regulator is too much, uses for a long time and leads to the water pipe to rust easily, blocks up the water pipe even.

2. Dust easily enters the ventilation hole of the shell of the existing variable frequency speed regulator, and the service life of the variable frequency speed regulator is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a shell of a variable-frequency speed regulator, which solves the problems that the inside of a water pipe of the variable-frequency speed regulator is easy to rust and dust is easy to enter a ventilation hole of the shell.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shell of variable frequency speed regulator, includes the casing, the material of casing is the aluminum alloy, the medial surface of casing is provided with the ventilation hole, the inboard side veneer gluing in ventilation hole has the dust screen, the quantity of dust screen is eight groups, the up end welding of casing has the roof, the outer skin weld of casing has the inlet tube, the inboard side veneer gluing of inlet tube has the activated carbon plate, the quantity of activated carbon plate is two sets of, the preceding end-face welding of casing has the door plant, the preceding end-face welding of door plant has radiating fin, radiating fin's lower end-face welding has the controller.

As a preferred technical scheme of the utility model, a safety identification sticker is in threaded connection with the lower part of the controller, and the safety identification sticker is made of aluminum.

As a preferred technical solution of the present invention, the lower end surface of the housing is provided with a power socket, and the lower end surface of the top plate is fixedly provided with a heat conducting plate.

As a preferred technical scheme of the utility model, a temperature sensor is fixedly mounted on the front end face of the heat conducting plate, and a variable frequency circuit board is fixedly mounted below the temperature sensor.

As a preferred technical scheme of the utility model, the rear end face of the temperature sensor is welded with a cooling pipe, the cooling pipe is U-shaped, and the rear end face of the cooling pipe is welded with an installation plate.

As a preferred technical scheme of the utility model, the mounting plate is made of carbon steel, one side of the cooling pipe close to the activated carbon plate is welded with a water outlet pipe, and the water outlet pipe and the water inlet pipe are symmetrically distributed relative to the transverse center line of the shell.

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

1. this frequency conversion speed regulator's shell through setting up the activated carbon plate, adsorbs the impurity of aquatic, avoids the aquatic impurity too much to lead to the intraductal rust of cooling, avoids the inside jam of cooling pipe.

2. This variable frequency speed regulator's shell through setting up the dust screen, avoids external dust to enter into in the casing, prolongs variable frequency speed regulator's life.

Drawings

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

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

fig. 3 is a side view of the structure of the present invention.

In the figure: 1. a housing; 2. a controller; 3. a heat dissipating fin; 4. a door panel; 5. a security label; 6. a vent hole; 7. a variable frequency circuit board; 8. a cooling pipe; 9. a temperature sensor; 10. a water inlet pipe; 11. mounting a plate; 12. a water outlet pipe; 13. a dust screen; 14. a top plate; 15. an activated carbon plate; 16. a power outlet; 17. a heat conducting plate.

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 shell of variable frequency speed regulator, which comprises a housin 1, the material of casing 1 is the aluminum alloy, the medial surface of casing 1 is provided with ventilation hole 6, the inboard side veneer gluing in ventilation hole 6 has dust screen 13, the quantity of dust screen 13 is eight groups, the up end welding of casing 1 has roof 14, the outer skin weld of casing 1 has inlet tube 10, the inboard side veneer gluing of inlet tube 10 has activated carbon plate 15, activated carbon plate 15's quantity is two sets of, the preceding end-face welding of casing 1 has door plant 4, the preceding end-face welding of door plant 4 has radiating fin 3, radiating fin 3's lower terminal surface welding has controller 2.

In this embodiment, casing 1 provides the frame support for the shell, and dust screen 13 avoids external dust to enter into casing 1 in, prolongs variable frequency speed regulator's life, and inlet tube 10 is that water enters into the passageway of cooling tube 8, and active carbon plate 15 adsorbs the impurity of aquatic, and radiating fin 3 accelerates shell and external gaseous speed of exchange, makes the heat in the shell in time discharge, avoids variable frequency speed regulator to receive the damage, the operation of the whole device of controller 2 control.

Specifically, the lower part of the controller 2 is in threaded connection with a safety sign sticker 5, and the safety sign sticker 5 is made of aluminum.

In this embodiment, the safety identification sticker 5 shows information such as power of the variable frequency speed regulator, and the safety identification sticker 5 made of aluminum is more convenient for drilling.

Specifically, the lower end surface of the casing 1 is provided with a power socket 16, and the lower end surface of the top plate 14 is fixedly provided with a heat conducting plate 17.

In this embodiment, the power socket 16 is used for connecting an external power source, and the heat conducting plate 17 transfers heat in the frequency conversion circuit board 7 to the cooling pipe 8.

Specifically, a temperature sensor 9 is fixedly mounted on the front end face of the heat conducting plate 17, and a variable frequency circuit board 7 is fixedly mounted below the temperature sensor 9.

In this embodiment, the temperature sensor 9 converts the temperature into an output signal, and the variable frequency circuit board 7 is used for controlling the variable frequency speed regulator.

Specifically, the rear end face of the temperature sensor 9 is welded with the cooling pipe 8, the cooling pipe 8 is U-shaped, and the rear end face of the cooling pipe 8 is welded with the mounting plate 11.

In this embodiment, the temperature of the cooling pipe 8 in the frequency conversion circuit board 7 is reduced, and the mounting plate 11 provides a mounting position for the cooling pipe 8.

Specifically, the mounting plate 11 is made of carbon steel, a water outlet pipe 12 is welded on one side of the cooling pipe 8 close to the activated carbon plate 15, and the water outlet pipe 12 and the water inlet pipe 10 are symmetrically distributed about a transverse center line of the shell 1.

In this embodiment, the mounting plate 11 made of carbon steel has a long service life, and the water outlet pipe 12 is a passage for water in the cooling pipe 8 to leave the housing 1.

In the embodiment, the controller 2, the variable frequency circuit board 7 and the temperature sensor 9 are known technologies which are already disclosed and widely applied to daily life, the model of the controller 2 is MAM-100, the model of the variable frequency circuit board 7 is LW-DY-05, and the model of the temperature sensor 9 is TSYS 02D.

The working principle and the using process of the utility model are as follows: the clean water is introduced into the water inlet pipe 10 to see whether the cooling pipe 8 leaks water or not, after the variable frequency speed regulator is installed in the shell 1 after water leakage is determined, an external power supply is connected after the water leakage is checked to be correct, the active carbon plate 15 in the water inlet pipe 10 adsorbs impurities in water to prevent the interior of the cooling pipe 8 from rusting due to excessive impurities in water, the internal blockage of the cooling pipe 8 is avoided, the variable frequency speed regulator starts to work, the heat emitted by the cooling pipe 8 outwards is timely discharged through the radiating fins 3, the radiating fins 3 accelerate the speed of gas exchange between the shell and the outside, so that the heat in the shell is timely discharged to prevent the variable frequency speed regulator from being damaged, the dustproof net 13 fixed by glue is arranged in the ventilation hole 6 on the shell 1, the dustproof net 13 prevents external dust from entering the shell 1, the service life of the variable frequency speed regulator is prolonged, when the variable frequency speed regulator finishes working, the water in the cooling pipe 8 is emptied, the power is turned off.

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. A shell of a variable frequency speed regulator comprises a shell (1), and is characterized in that: the material of casing (1) is the aluminum alloy, the medial surface of casing (1) is provided with ventilation hole (6), the medial surface veneer gluing in ventilation hole (6) has dust screen (13), the quantity of dust screen (13) is eight groups, the up end welding of casing (1) has roof (14), the skin weld of casing (1) has inlet tube (10), the medial surface veneer gluing of inlet tube (10) has activated carbon plate (15), the quantity of activated carbon plate (15) is two sets of, the preceding terminal surface welding of casing (1) has door plant (4), the preceding terminal surface welding of door plant (4) has radiating fin (3), the lower terminal surface welding of radiating fin (3) has controller (2).

2. The housing of a variable frequency governor according to claim 1, wherein: the lower part of the controller (2) is in threaded connection with a safety identification sticker (5), and the safety identification sticker (5) is made of aluminum.

3. The housing of a variable frequency governor according to claim 1, wherein: the lower terminal surface of casing (1) is provided with power socket (16), the lower terminal surface fixed mounting of roof (14) has heat-conducting plate (17).

4. A housing for a variable frequency governor according to claim 3 in which: the front end face of the heat conducting plate (17) is fixedly provided with a temperature sensor (9), and a variable frequency circuit board (7) is fixedly arranged below the temperature sensor (9).

5. The housing of a variable frequency governor according to claim 4 wherein: the rear end face of the temperature sensor (9) is welded with a cooling pipe (8), the cooling pipe (8) is U-shaped, and the rear end face of the cooling pipe (8) is welded with a mounting plate (11).

6. The housing of a variable frequency governor according to claim 5 wherein: the material of mounting panel (11) is the carbon steel, cooling tube (8) are close to one side welding of activated carbon plate (15) and have outlet pipe (12), outlet pipe (12) and inlet tube (10) are about the horizontal central line symmetric distribution of casing (1).