CN218587473U

CN218587473U - Variable frequency speed regulation device

Info

Publication number: CN218587473U
Application number: CN202222863573.XU
Authority: CN
Inventors: 徐伟光; 郭慧娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-03-07
Anticipated expiration: 2032-10-29

Abstract

The utility model discloses a variable frequency speed device relates to elevator hauler technical field, including the variable frequency speed casing, the top of variable frequency speed casing is equipped with the outlet duct, one side of variable frequency speed casing is equipped with the refrigeration case, pass through connecting rod fixed connection between the vertical lateral wall in opposite directions of variable frequency speed casing and refrigeration case. The utility model discloses a refrigeration board refrigerates the heat-conducting plate, the temperature when the heat-conducting plate reduces, make heat on heat conduction filter screen and the heat transfer fin all transmit to the heat-conducting plate on, thereby make the temperature of heat conduction filter screen and heat transfer fin all descend, through the heat-conducting plate, heat conduction filter screen and heat transfer fin carry out comparatively abundant to the air through the ventilation hole simultaneously, even cooling, the cooling effect to the air has been improved, the cold air flow direction electronic components by the cooling, effectively cool down electronic components, avoid electronic components to produce trouble and damage because of self high temperature.

Description

Variable frequency speed regulation device

Technical Field

The utility model relates to a Variable Frequency Speed Governing (VFSG) technical field specifically is a Variable Frequency Speed Governing (VFSG) device.

Background

When the variable frequency speed regulation device in the electrical engineering equipment is used for a long time, the electronic components inside the variable frequency speed regulation device can generate high temperature, the refrigeration plate is installed on the vertical side wall inside the device shell for heat dissipation of the electronic components, refrigeration is carried out through the refrigeration plate, so that the air near the refrigeration plate is cooled, and the cold air is blown to the electronic components through the fan, so that the electronic components are cooled.

However, the air far away from the refrigeration plate is not cooled by the refrigeration plate in time under the action of the fan, so that the air flows to the electronic component, the cooling effect on the electronic component is poor, and the electronic component can be possibly broken down and damaged due to overhigh temperature.

Therefore, we improve this and propose a variable frequency speed regulating device.

SUMMERY OF THE UTILITY MODEL

For solving the defect that prior art exists, the utility model provides a variable frequency speed adjusting device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a variable frequency speed adjusting device, includes the variable frequency speed adjusting casing, the top of variable frequency speed adjusting casing is equipped with the outlet duct, one side of variable frequency speed adjusting casing is equipped with the refrigeration case, through connecting rod fixed connection between the vertical lateral wall that variable frequency speed adjusting casing and refrigeration case are in opposite directions, first mounting hole has been seted up towards the upper portion of the vertical wall of refrigeration case to the variable frequency speed adjusting casing, the circumference fixed connection of gas-supply pipe and first mounting hole is passed through on the top of refrigeration case, the inside of first mounting hole is equipped with the fan, the refrigeration case deviates from the vertical lateral wall fixedly connected with intake pipe of variable frequency speed adjusting casing, the horizontal heat-conducting plate of the inside fixedly connected with of refrigeration case, the top fixedly connected with of heat-conducting plate is used for carrying out refrigerated refrigeration board to it, the ventilation hole has been seted up in the both sides of refrigeration board to the heat-conducting plate, the top fixedly connected with of heat-conducting plate is used for covering ventilation hole top open-ended heat conduction filter screen, the ventilation hole is provided with a plurality of heat transfer fins along its length direction's vertical wall interval.

As an optimal technical scheme of the utility model, be equipped with first solenoid valve on the outlet duct, the top of outlet duct is equipped with covers its open-top dust screen.

As a preferred technical scheme of the utility model, be equipped with the second solenoid valve in the intake pipe.

As an optimal technical scheme of the utility model, the second mounting hole has been seted up towards the lower part of the vertical wall of refrigeration case to the variable frequency speed governing casing, the circumference fixed connection of circulating pipe and second mounting hole is passed through to the bottom of refrigeration case, be equipped with the third solenoid valve on the circulating pipe.

As a preferred technical scheme of the utility model, the cylinder hole that is used for pegging graft the outlet duct is offered on the top of variable frequency speed governing casing, the inside that the cylinder hole extends to the variable frequency speed governing casing is passed to the bottom of outlet duct, the inside top surface of variable frequency speed governing casing is in outlet duct bottom open-ended one side fixedly connected with temperature sensor.

As an optimal technical scheme of the utility model, a vertical wall that the refrigeration case is close to the intake pipe has the rectangle opening, the rectangle opening part is used for carrying out the closing plate sealed to it through bolt fixedly connected with.

The utility model has the advantages that:

1. the heat-conducting plate is refrigerated through the refrigerating plate, when the temperature of the heat-conducting plate is reduced, the heat on the heat-conducting filter screen and the heat-conducting fins is transferred to the heat-conducting plate, so that the temperature of the heat-conducting filter screen and the heat-conducting fins is reduced, the air passing through the air vents is fully and uniformly cooled through the heat-conducting plate, the heat-conducting filter screen and the heat-conducting fins, the cooling effect on the air is improved, the cooled cold air flows to the electronic components under the action of the fan, the electronic components are effectively cooled, and the electronic components are prevented from being broken and damaged due to overhigh temperature;

2. and hot air in the variable-frequency speed regulating shell is exhausted, the first electromagnetic valve and the second electromagnetic valve are closed, and the third electromagnetic valve is opened, so that cold air can only flow to the variable-frequency speed regulating shell, the circulating pipe, the refrigerating box and the gas conveying pipe in sequence under the action of the fan, the cold air is circulated, the external hot air is prevented from entering the variable-frequency speed regulating shell, the refrigerating time is shortened, the working time of the refrigerating plate is shortened, the electric energy is saved, and the cooling effect is improved.

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 principles of the invention. In the drawings:

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

figure 2 is a cross-sectional view of the refrigeration case of figure 1 of the present invention;

fig. 3 is a schematic structural view of the pitch control casing of fig. 1 according to the present invention;

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

In the figure: 1. a variable frequency speed regulating shell; 2. an air outlet pipe; 3. a first solenoid valve; 4. a dust screen; 5. a gas delivery pipe; 6. a refrigeration case; 7. an air inlet pipe; 8. a second solenoid valve; 9. a circulation pipe; 10. a third solenoid valve; 11. a heat conducting plate; 12. a refrigeration plate; 13. a first mounting hole; 14. a fan; 15. a second mounting hole; 16. a vent hole; 17. a heat-conducting filter screen; 18. a heat transfer fin; 19. a connecting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-4, the utility model discloses a variable frequency speed device, including variable frequency speed casing 1, variable frequency speed casing 1's top fixedly connected with outlet duct 2, one side of variable frequency speed casing 1 is equipped with

refrigeration case

6, 19 fixed connection of connecting rod through a plurality of intervals setting between variable frequency speed casing 1 and the vertical lateral wall that refrigeration case 6 is in opposite directions, first mounting hole 13 has been seted up towards the upper portion of the vertical wall of refrigeration case 6 to variable frequency speed casing 1, the circumference fixed connection of gas-supply pipe 5 and first mounting hole 13 is passed through on the top of refrigeration case 6, the inside of refrigeration case 6 is passed through gas-supply pipe 5 and is communicated with first mounting hole 13, the inside of first mounting hole 13 is equipped with fan 14, fan 14 is used for taking out the air that gas-supply pipe 5 held between the fingers to variable frequency speed casing 1, refrigeration case 6 deviates from vertical lateral wall fixedly connected with intake pipe 7 of variable frequency speed casing 1, the horizontal heat-conducting plate 11 of inside fixedly connected with of refrigeration case 6, the top fixedly connected with of heat-conducting plate 11 is used for its heat-conduction plate 12 that refrigerates, 11 the both sides of the heat-conduction fin 16 top of the vertical side of the heat-conduction fin cover 16 openings of heat-

conduction pipe

16, 16 openings are provided with along the length of the vertical ventilation hole of heat-conduction fin interval.

As shown in fig. 1, a first electromagnetic valve 3 is disposed on the outlet pipe 2, and a dust screen 4 covering an opening at the top end of the outlet pipe 2 is disposed at the top end thereof. The first electromagnetic valve 3 is used for controlling the air circulation state in the air outlet pipe 2, and the dust screen 4 is used for placing impurities such as dust and the like to pass through the air outlet pipe 2 and enter the variable-frequency speed regulation shell 1.

As shown in fig. 1, the air inlet pipe 7 is provided with a second electromagnetic valve 8. The second electromagnetic valve 8 is used to control the air flow state in the intake pipe 7.

As shown in fig. 1-3, a second mounting hole 15 is opened on the lower portion of the vertical wall of the variable frequency speed regulation housing 1 facing the refrigeration box 6, the bottom end of the refrigeration box 6 is fixedly connected with the circumference of the second mounting hole 15 through a circulation pipe 9, and a third electromagnetic valve 10 is arranged on the circulation pipe 9. The third solenoid valve 10 is used to control the state of air circulation in the circulation duct 9.

As shown in fig. 1 and fig. 3, a cylindrical hole (not shown) for inserting the air outlet pipe 2 is formed at the top end of the variable frequency speed regulating housing 1, the bottom end of the air outlet pipe 2 penetrates through the cylindrical hole and extends into the variable frequency speed regulating housing 1, and a temperature sensor (not shown) is fixedly connected to the top surface of the variable frequency speed regulating housing 1 at one side of the bottom end opening of the air outlet pipe 2. The temperature sensor is used for detecting the temperature near the top surface inside the variable frequency speed housing 1. The output end of the temperature sensor is connected with the input end of the controller, in addition, the first electromagnetic valve 3, the second electromagnetic valve 8 and the third electromagnetic valve 10 are all connected with the controller, and the working states of the first electromagnetic valve 3, the second electromagnetic valve 8 and the third electromagnetic valve 10 are controlled through the controller.

As shown in fig. 1, one vertical wall of the refrigeration case 6 near the intake duct 7 has a rectangular opening to which a sealing plate for sealing it is fixedly attached by bolts. By removing the bolts, the sealing plate can be removed, facilitating the installation or removal of the heat conducting plate 11 and the refrigeration plate 12.

The working principle is as follows: opening the first electromagnetic valve 3 and the second electromagnetic valve 8, closing the third electromagnetic valve 10, opening the refrigerating plate 12 and the fan 14, refrigerating the heat-conducting plate 11 through the refrigerating plate 12, when the temperature of the heat-conducting plate 11 is reduced, heat on the heat-conducting filter screen 17 and the heat-conducting fins 18 is transferred to the heat-conducting plate 11, so that the temperatures of the heat-conducting filter screen 17 and the heat-conducting fins 18 are reduced, under the action of the fan 14, outside air enters the refrigerating box 6 from the air inlet pipe 7, and in the process that the air passes through the air vents 16, the air is fully and uniformly cooled through the heat-conducting plate 11, the heat-conducting filter screen 17 and the heat-conducting fins 18, so that the cooling effect on the air is improved, the cooled cold air flows to the electronic components under the action of the fan 14, the electronic components are effectively cooled, and the electronic components are prevented from being broken and damaged due to overhigh temperature;

the cold air in the variable frequency speed regulation shell 1 falls to the bottom of the variable frequency speed regulation shell 1, and the hot air in the variable frequency speed regulation shell 1 gradually rises and is discharged through the air outlet pipe 2, when the temperature sensor at the top end inside the variable frequency speed regulation shell 1 detects that the temperature inside the variable frequency speed regulation shell 1 is reduced to a lower temperature and does not have great change within a period of time, it indicates that the hotter air in the variable frequency speed regulation shell 1 is discharged, at this moment, the first electromagnetic valve 3 and the second electromagnetic valve 8 are closed, the third electromagnetic valve 10 is opened, so that the cold air circulates in the variable frequency speed regulation shell 1, the circulating pipe 9, the refrigeration box 6 and the gas pipe 5, the hot air outside is prevented from entering the variable frequency speed regulation shell 1, the refrigeration time is shortened, the working time of the refrigeration plate 12 is shortened, the electric energy is saved, the cooling effect is improved at the same time, the temperature in the variable frequency speed regulation shell 1 is lowered to the temperature suitable for the electronic components to work, and the refrigeration plate 12 and the fan 14 are closed.

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 described above, or equivalents may be substituted for elements thereof. 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 variable frequency speed device, includes variable frequency speed casing (1), the top of variable frequency speed casing (1) is equipped with outlet duct (2), one side of variable frequency speed casing (1) is equipped with refrigeration case (6), through connecting rod (19) fixed connection between vertical lateral wall in opposite directions of variable frequency speed casing (1) and refrigeration case (6), first mounting hole (13) have been seted up towards the upper portion of the vertical wall of refrigeration case (6) in variable frequency speed casing (1), the circumference fixed connection of gas-supply pipe (5) and first mounting hole (13) is passed through on the top of refrigeration case (6), the inside of first mounting hole (13) is equipped with fan (14), its characterized in that: refrigeration case (6) deviates from vertical lateral wall fixedly connected with intake pipe (7) of variable frequency speed governing casing (1), the horizontal heat-conducting plate (11) of the inside fixedly connected with of refrigeration case (6), the top fixedly connected with of heat-conducting plate (11) is used for carrying out refrigerated refrigeration board (12) to it, ventilation hole (16) have been seted up in the both sides of refrigeration board (12) in heat-conducting plate (11), the top fixedly connected with of heat-conducting plate (11) is used for covering ventilation hole (16) top open-ended heat conduction filter screen (17), ventilation hole (16) are provided with a plurality of heat transfer fins (18) along its length direction's vertical wall interval.

2. The variable-frequency speed regulation device according to claim 1, wherein the air outlet pipe (2) is provided with a first electromagnetic valve (3), and the top end of the air outlet pipe (2) is provided with a dust screen (4) covering an opening at the top end thereof.

3. A variable frequency speed regulating device according to claim 1, wherein a second electromagnetic valve (8) is arranged on the air inlet pipe (7).

4. The variable-frequency speed regulation device according to claim 1, wherein a second mounting hole (15) is formed in the lower portion of the variable-frequency speed regulation housing (1) facing the vertical wall of the refrigeration box (6), the bottom end of the refrigeration box (6) is fixedly connected with the circumference of the second mounting hole (15) through a circulating pipe (9), and a third electromagnetic valve (10) is arranged on the circulating pipe (9).

5. The variable-frequency speed regulation device according to claim 1, wherein a cylindrical hole for inserting the air outlet pipe (2) is formed in the top end of the variable-frequency speed regulation shell (1), the bottom end of the air outlet pipe (2) penetrates through the cylindrical hole and extends into the variable-frequency speed regulation shell (1), and a temperature sensor is fixedly connected to one side, open at the bottom end of the air outlet pipe (2), of the top surface in the variable-frequency speed regulation shell (1).

6. The variable-frequency speed regulation device according to claim 1, wherein a vertical wall of the refrigeration box (6) close to the air inlet pipe (7) is provided with a rectangular opening, and a sealing plate for sealing the rectangular opening is fixedly connected to the rectangular opening through a bolt.