CN215912378U

CN215912378U - High-power variable frequency control cabinet

Info

Publication number: CN215912378U
Application number: CN202121160971.4U
Authority: CN
Inventors: 张海杰
Original assignee: Dalian Powtran Technology Co ltd
Current assignee: Dalian Powtran Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-02-25
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a high-power variable frequency control cabinet, which comprises a cabinet body, wherein side upright posts are fixedly arranged on two sides in the cabinet body, capacitor group brackets are fixedly arranged at the tops of the front surfaces of the two side upright posts, air duct plates are fixedly arranged at the tops of the back surfaces of the two side upright posts, driving plate brackets are fixedly arranged at the middle parts of the front surfaces of the two side upright posts, radiator baffles are fixedly arranged at the middle parts of the back surfaces of the two side upright posts, a radiator is fixedly arranged at the back surface of each radiator baffle, auxiliary brackets are fixedly arranged at the bottoms of the front surfaces of the two side upright posts, a PCB mounting plate is fixedly arranged at one side of the top ends of the two auxiliary brackets, and a shielding cover is fixedly arranged at the front surface of the PCB mounting plate. The PCB is protected from being infringed by the shielding case and the coating on the surface, and the internal condition of the cabinet can be remotely monitored through the camera.

Description

High-power variable frequency control cabinet

Technical Field

The utility model relates to the field of control cabinets, in particular to a high-power variable-frequency control cabinet.

Background

Variable frequency control cabinet mainly used adjusting device's operating frequency, reduce the energy loss, can the steady start equipment, the harm of heavy current to the motor that produces when reducing equipment direct start, simultaneously from taking analog input (speed control or feedback signal usefulness), PID control, pump switching control (be used for the constant voltage), communication function, macro function (to different occasions have different parameter settings), multistage speed and so on, can extensively be applicable to the automatic control of multiple occasions such as the feedwater of industrial and agricultural production and all kinds of buildings, the drainage, the fire control, spray the pipe network pressure boost and warm logical air conditioner hot and cold water circulation.

The environment that the frequency converter for the oil field generally used is all outdoor, and the PCB board of current variable frequency control cabinet easily suffers the infringement and damages, can not the inside device condition of remote monitoring, and the device installation in the switch board is convenient inadequately, for this reason we have proposed a high-power variable frequency control cabinet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-power variable-frequency control cabinet, which aims to solve the problems that a PCB of the existing variable-frequency control cabinet in the background art is easy to damage due to invasion, the condition of internal devices cannot be remotely monitored, and the devices in the control cabinet are inconvenient to install.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-power variable frequency control cabinet comprises a cabinet body, wherein side stand columns are fixedly mounted on two sides of the interior of the cabinet body, capacitor bank supports are fixedly mounted at the tops of the front sides of the two side stand columns, a wind channel plate is fixedly mounted at the tops of the back sides of the two side stand columns, a drive plate support is fixedly mounted at the middle of the front sides of the two side stand columns, a radiator baffle is fixedly mounted at the middle of the back sides of the two side stand columns, a radiator is fixedly mounted at the back side of the radiator baffle, auxiliary supports are fixedly mounted at the bottoms of the front sides of the two side stand columns, a PCB mounting plate is fixedly mounted at one side of the top ends of the two auxiliary supports, a shielding cover is fixedly mounted at the front side of the PCB mounting plate, a lower protection plate is fixedly mounted at the other side of the top ends of the two auxiliary supports, a lower fan support is fixedly mounted at the bottoms of the back sides of the two side stand columns, and a relay is fixedly mounted at one side of the top end of the lower protection plate, the utility model discloses a cabinet, including internal wall of cabinet, backplate, camera, shield cover, dust-proof coating, communication interface converter, the opposite side fixed mounting on backplate top has the electricity-saving appliance down, the top fixed mounting on internal wall of cabinet has the camera, the outer wall fixedly connected with polypropylene film of shield cover, dust-proof coating is scribbled on the surface of polypropylene film, dust-proof coating's surface is scribbled and is equipped with anticorrosive coating, anticorrosive coating's surface is scribbled and is equipped with dampproofing coating.

As a preferred technical scheme of the utility model, one side of the front surface of the cabinet body is hinged with a cabinet door.

As a preferred technical scheme of the utility model, the dustproof coating is made of polytetrafluoroethylene, the anticorrosive coating is made of epoxy resin, and the moisture-proof coating is made of polyethylene.

As a preferred technical scheme of the utility model, the radiator, the relay, the electricity-saving device and the camera are all electrically connected with an external power supply.

As a preferable technical scheme of the utility model, a handle is fixedly arranged on one side of the front surface of the cabinet door.

As a preferred technical scheme of the utility model, the bottom end of the cabinet body is fixedly connected with a rubber pad.

As a preferred technical scheme of the utility model, the back of the cabinet body is provided with heat dissipation holes.

Compared with the prior art, the utility model has the beneficial effects that:

1. the inside of the cabinet body is taken as a supporting point through two side stand columns, a capacitor bank support, a drive plate support and an auxiliary support are sequentially installed on the front side from top to bottom, an air duct plate, a radiator baffle and a lower fan support are sequentially installed on the back side from top to bottom, the installation is rapid and convenient through a modular installation mode, when the heat is radiated through a radiator, the heat conversion efficiency is obviously improved due to the independent air duct design at the rear end of a product, the cost control is well reflected due to reasonable layout of devices, a camera is installed at the top end of the inner wall of the cabinet body, a worker can remotely monitor the inside of the cabinet body, and the state of an electrical component inside the cabinet body can be known at any time;

2. the power-saving device is characterized in that a shielding cover is arranged on the PCB mounting plate, the shielding cover can prevent electromagnetic interference and can shield elements on the PCB, a polypropylene film outside the shielding cover has high dielectric coefficient and good voltage resistance and arc resistance, a dustproof coating, an anticorrosive coating and a moistureproof coating are sequentially arranged outside the polypropylene film, the PCB can be protected from dust, corrosion and humidity, a relay on the lower protection plate has the function of protecting instantaneous stop of a power grid, the power-saving device can be automatically started within an allowable range, the communication interface converter can be compatible with communication of other equipment, and the power-saving device has the function of automatically reducing voltage and has the effect of saving energy.

Drawings

FIG. 1 is a perspective view of two side stud face mounting structures of the present invention;

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

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a perspective view of two side post back mounting structures of the present invention;

fig. 5 is a partial cross-sectional view of the shield of the present invention.

In the figure: 1. a cabinet body; 2. a cabinet door; 3. a side column; 4. a capacitor bank support; 5. a drive plate support; 6. an auxiliary support; 7. a lower guard plate; 8. a PCB mounting plate; 9. a shield case; 10. an air duct plate; 11. a radiator baffle; 12. a heat sink; 13. a lower fan bracket; 14. a relay; 15. a communication interface converter; 16. a power saver; 17. a polypropylene film; 18. a dust-proof coating; 19. an anti-corrosion coating; 20. a moisture resistant coating; 21. a camera; 22. and (4) a handle.

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.

Referring to fig. 1-5, the utility model provides a high-power variable frequency control cabinet, which comprises a cabinet body 1, wherein side upright posts 3 are fixedly installed on both sides of the interior of the cabinet body 1, capacitor bank supports 4 are fixedly installed on the tops of the front surfaces of the two side upright posts 3, a wind channel plate 10 is fixedly installed on the tops of the back surfaces of the two side upright posts 3, a drive plate support 5 is fixedly installed in the middle of the front surfaces of the two side upright posts 3, a radiator baffle 11 is fixedly installed in the middle of the back surfaces of the two side upright posts 3, a radiator 12 is fixedly installed on the back surface of the radiator baffle 11, auxiliary supports 6 are fixedly installed on the bottoms of the front surfaces of the two side upright posts 3, a PCB mounting plate 8 is fixedly installed on one side of the top ends of the two auxiliary supports 6, a shielding cover 9 is fixedly installed on the front surface of the PCB mounting plate 8, a lower protective plate 7 is fixedly installed on the other side of the top ends of the two auxiliary supports 6, and a lower fan support 13 is fixedly installed on the bottoms of the back surfaces of the two side upright posts 3, one side fixed mounting on lower backplate 7 top has relay 14, the middle part fixed mounting on lower backplate 7 top has communication interface converter 15, the opposite side fixed mounting on lower backplate 7 top has electricity-saving appliance 16, the top fixed mounting of the internal wall of cabinet 1 has camera 21, the outer wall fixedly connected with polypropylene film 17 of shield cover 9, dust coat 18 is scribbled on polypropylene film 17's surface, anticorrosive coating 19 is scribbled on dust coat 18's surface, anticorrosive coating 19's surface is scribbled and is equipped with dampproof coating 20.

Preferably, a cabinet door 2 is hinged to one side of the front surface of the cabinet body 1, and the cabinet door 2 can be closed to keep the interior of the cabinet body 1 in a sealed state;

preferably, the dustproof coating 18 is made of polytetrafluoroethylene, the anticorrosive coating 19 is made of epoxy resin, the moisture-proof coating 20 is made of polyethylene, the polytetrafluoroethylene has a dustproof effect, the epoxy resin has a good anticorrosive characteristic, and the polyethylene has waterproof and moistureproof functions;

preferably, the heat sink 12, the relay 14, the power saver 16 and the camera 21 are all electrically connected with an external power supply, and the heat sink 12, the relay 14, the power saver 16 and the camera 21 are all powered by the external power supply so as to operate;

preferably, a handle 22 is fixedly installed on one side of the front face of the cabinet door 2, and the cabinet door 2 is convenient to open and close through the handle 22;

preferably, the bottom end of the cabinet body 1 is fixedly connected with a rubber pad, so that the friction force at the bottom end of the cabinet body 1 can be increased, and the cabinet body is not easy to slide when placed;

preferably, the back of the cabinet body 1 is provided with heat dissipation holes for dissipating heat of components inside the cabinet body 1.

When the high-power variable-frequency control cabinet is used, the inside of a cabinet body 1 is taken as a supporting point through two side upright posts 3, a capacitor bank support 4, a drive plate support 5 and an auxiliary support 6 are sequentially arranged on the front side from top to bottom, an air duct plate 10, a radiator baffle plate 11 and a lower fan support 13 are sequentially arranged on the back side from top to bottom, the modular installation mode can ensure that the installation is rapid and convenient, when the heat is radiated through a radiator 12, the heat conversion efficiency is obviously improved due to the independent air duct design at the rear end of a product, the layout of devices is reasonable, so that the cost control is well reflected, a camera 21 is arranged at the top end of the inner wall of the cabinet body 1, a worker can remotely monitor the inside of the cabinet body 1 and know the state of electrical components inside the cabinet body 1 at any time, a shielding cover 9 is arranged on a PCB mounting plate 8, and the shielding cover 9 can prevent electromagnetic interference, the power-saving device has the advantages that the power-saving device can shield elements on a PCB, the polypropylene film 17 outside the shielding cover 9 has high dielectric coefficient and good voltage resistance and arc resistance, the polypropylene film 17 is sequentially provided with the dustproof coating 18, the anticorrosion coating 19 and the dampproof coating 20, the PCB can be protected from being damaged by dust, corrosion and moisture, the relay 14 on the lower protective plate 7 has the function of protecting the instantaneous stop of a power grid and can be automatically started within an allowable range, the communication interface converter 15 enables the power-saving device to be compatible with communication of other equipment, and the power-saving device 16 has the function of automatically reducing voltage and has the effect of saving energy.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a high-power variable frequency control cabinet, includes the cabinet body (1), its characterized in that: the cabinet comprises a cabinet body (1), wherein side columns (3) are fixedly mounted on two sides of the interior of the cabinet body (1), a capacitor bank support (4), a wind channel plate (10) is fixedly mounted on the top of the back of each side column (3), a drive plate support (5) is fixedly mounted on the front middle of each side column (3), a radiator baffle (11) is fixedly mounted on the middle of the back of each side column (3), a radiator (12) is fixedly mounted on the back of the radiator baffle (11), an auxiliary support (6) is fixedly mounted on the front bottom of each side column (3), a PCB mounting plate (8) is fixedly mounted on one side of the top end of each auxiliary support (6), a shielding cover (9) is fixedly mounted on the front of each PCB mounting plate (8), and a lower protective plate (7) is fixedly mounted on the other side of the top end of each auxiliary support (6), two bottom fixed mounting at the back of side stand (3) has down fan bracket (13), one side fixed mounting on backplate (7) top has relay (14) down, the middle part fixed mounting on backplate (7) top has communication interface converter (15) down, the opposite side fixed mounting on backplate (7) top has electricity-saving appliance (16) down, the top fixed mounting of the cabinet body (1) inner wall has camera (21), the outer wall fixedly connected with polypropylene film (17) of shield cover (9), the surface coating of polypropylene film (17) is equipped with dustproof coating (18), the surface coating of dustproof coating (18) is equipped with anticorrosive coating (19), the surface coating of anticorrosive coating (19) is equipped with dampproofing coating (20).

2. The high-power variable-frequency control cabinet according to claim 1, characterized in that: one side of the front surface of the cabinet body (1) is hinged with a cabinet door (2).

3. The high-power variable-frequency control cabinet according to claim 1, characterized in that: the material of dust coat (18) is polytetrafluoroethylene, the material of anticorrosive coating (19) is epoxy, the material of dampproofing coating (20) is polyethylene.

4. The high-power variable-frequency control cabinet according to claim 1, characterized in that: the radiator (12), the relay (14), the electricity saver (16) and the camera (21) are all electrically connected with an external power supply.

5. The high-power variable-frequency control cabinet according to claim 2, characterized in that: a handle (22) is fixedly arranged on one side of the front surface of the cabinet door (2).

6. The high-power variable-frequency control cabinet according to claim 1, characterized in that: the bottom end of the cabinet body (1) is fixedly connected with a rubber pad.

7. The high-power variable-frequency control cabinet according to claim 1, characterized in that: the back of the cabinet body (1) is provided with heat dissipation holes.