CN210183753U

CN210183753U - Frequency conversion device of electrical equipment

Info

Publication number: CN210183753U
Application number: CN201920617111.5U
Authority: CN
Inventors: shuai Long; 龙帅
Original assignee: Xingtai Songsheng Technology Development Co Ltd
Current assignee: Xingtai Songsheng Technology Development Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-03-24
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an electrical equipment frequency conversion equipment, including protective cover, control panel, liquid crystal display, operating button, protecting sheathing, through wires hole, radiating groove, control panel mounting groove, rotation motor, flabellum, bottom plate, fixed through hole, insulating pad, accept board, direct current reactance, main control panel, filtering board, power board and ground plate. The utility model has the advantages that: the protective cover is detachable with protective housing through the connecting bolt of both sides and is connected, make things convenient for maintenance personal to maintain this frequency conversion device and detect, protective cover and protective housing's junction and protective housing and the junction of bottom plate all are equipped with seal ring, avoid having water to get into this frequency conversion equipment's inside, the inboard of radiating groove is equipped with the dust screen, avoid dust and winged insect etc. to get into in this frequency conversion device, it is symmetry form fixed connection in protective housing's both sides to rotate the motor, and the flabellum is the rotation connection through rotating the motor in protective housing, can dispel the heat to this frequency conversion device.

Description

Frequency conversion device of electrical equipment

Technical Field

The utility model relates to a frequency conversion device specifically is an electrical equipment frequency conversion device, belongs to electrical equipment technical field.

Background

The variable frequency speed regulator is a device for converting a power frequency power supply into various frequency alternating current power supplies and realizing variable speed operation of a motor. The control circuit controls the main circuit, the rectifying circuit converts alternating current into direct current, the direct current intermediate circuit performs smooth filtering on the output of the rectifying circuit, and the inverter circuit inverts the direct current into alternating current.

And to current frequency conversion equipment who is used for electrical equipment, one of them, frequency conversion equipment to some shells and bottom plate formula connection as fixed integral type, if its inside components and parts take place to destroy, the maintenance personal is not convenient for dismantle the maintenance, its two, frequency conversion equipment to some shells and bottom plate buckle formula are connected, the leakproofness of its junction is relatively poor, make the interior water intake of device easily, and then cause damages such as short circuit to the components and parts in the device, influence frequency conversion equipment's life, its three, frequency conversion speed control equipment during operation, produce a large amount of heats easily, if the heat dissipation is untimely, cause the damage to frequency conversion speed control equipment easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical equipment frequency conversion device just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a frequency conversion device of electrical equipment comprises a protective cover, a control panel, a liquid crystal display screen, an operation button, a protective shell, a threading hole, a radiating groove, a control panel arranging groove, a rotating motor, fan blades, a bottom plate, a fixing through hole, an insulating cushion block, a bearing plate, a direct current reactor, a main control plate, a filtering plate, a power plate and a grounding plate; the protective cover, the protective shell and the bottom plate form an external structure of the frequency conversion device, the protective cover is clamped and arranged above the protective shell, the control panel is arranged in the middle of the protective cover, the bottom of the control panel is clamped and arranged in the control panel arranging groove, the liquid crystal display and the control button are arranged on the control panel, the liquid crystal display and the control button are electrically connected with the main control panel, the bottom side plate of the protective shell is provided with a threading hole, the side plate of the protective shell is provided with a radiating groove, the control panel arranging groove is arranged at the upper end of the protective shell, the rotating motor is clamped and arranged at the inner side of the side plate of the protective shell, the rotating end of the rotating motor is provided with a fan blade, the bottom plate is connected to the bottom of the protective shell, the four corners of the bottom plate are provided with fixing through holes, and the insulating cushion block is fixedly connected to the upper plate, just the top of insulating cushion is provided with accepts the board, accept and install direct current reactance, main control board, filter board, power board and ground plate on the board, just direct current reactance, main control board, filter board, power board and ground plate all are electric connection, direct current reactance is located the top of main control board, the filter board sets up between main control board and power board, the ground plate is located one side of main control board and filter board.

Preferably, in order to prevent that inside components and parts from causing this frequency conversion device to take the electrical body because of the short circuit, protective cover and protecting sheathing all are square shell form, and protective cover and protecting sheathing's inner wall all scribbles the insulating film.

Preferably, for the ease of assembling or dismantling, and then make things convenient for maintenance personal to maintain this frequency conversion device and detect, the protective cover is detachable connection through the connecting bolt of both sides and protective housing, and protective housing is detachable connection through the connecting bolt of both sides and bottom plate.

Preferably, in order to avoid water entering the interior of the frequency conversion equipment, sealing gaskets are arranged at the joint of the protective cover and the protective shell and the joint of the protective shell and the bottom plate.

Preferably, in order to prevent dust, flying insects and the like from entering the frequency conversion device, the heat dissipation grooves are symmetrically arranged on two sides of the protective shell, and the inner sides of the heat dissipation grooves are provided with dust screens.

Preferably, in order to accelerate the flow of air and further dissipate heat of the frequency converter, the rotating motor is symmetrically fixedly connected to two sides of the protective shell, and the fan blades are rotatably connected in the protective shell through the rotating motor.

The utility model has the advantages that: the frequency conversion device of the electrical equipment has reasonable design, the protective cover and the protective shell are both in a square shell shape, the inner walls of the protective cover and the protective shell are coated with insulating films, the frequency conversion device is prevented from being electrified due to short circuit of internal components, certain potential safety hazard is provided for maintenance personnel, the protective cover is detachably connected with the protective shell through connecting bolts at two sides, the protective shell is detachably connected with the bottom plate through connecting bolts at two sides, the frequency conversion device is convenient to assemble or disassemble, the maintenance personnel can conveniently carry out maintenance and detection on the frequency conversion device, sealing gaskets are arranged at the connecting part of the protective cover and the protective shell and the connecting part of the protective shell and the bottom plate, the connection is more compact, water is prevented from entering the frequency conversion device, the internal components are prevented from being short-circuited, the radiating grooves are symmetrically arranged at two sides of the protective shell, and dust screens are arranged at the, the air of being convenient for forms the convection current, can avoid dust and winged insect etc. to get into this frequency conversion device simultaneously, rotates the motor and is symmetry form fixed connection in protecting sheathing's both sides, and the flabellum is the rotation through rotating the motor and connects in protecting sheathing, can accelerate the flow of air, and then can dispel the heat to this frequency conversion device, prolongs this frequency conversion device's life.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic top view of the receiving plate of the present invention;

fig. 4 is a schematic view of the connection structure of the rotating motor and the fan blade of the present invention.

In the figure: 1. protective cover, 2, control panel, 3, liquid crystal display, 4, operating button, 5, protective housing, 6, through wires hole, 7, radiating groove, 8, control panel arrangement groove, 9, rotation motor, 10, flabellum, 11, bottom plate, 12, fixed through hole, 13, insulating cushion block, 14, accept the board, 15, direct current reactance, 16, main control panel, 17, filtering board, 18, power board and 19, ground plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a frequency conversion device for electrical equipment includes a protective cover 1, a control panel 2, a liquid crystal display screen 3, an operation button 4, a protective casing 5, a threading hole 6, a heat dissipation groove 7, a control panel installation groove 8, a rotating motor 9, fan blades 10, a bottom plate 11, a fixing through hole 12, an insulating cushion block 13, a bearing plate 14, a direct current reactance 15, a main control plate 16, a filter plate 17, a power plate 18 and a ground plate 19; the protective cover 1, the protective shell 5 and the bottom plate 11 form AN external structure of the frequency conversion device, the protective cover 1 is clamped and installed above the protective shell 5, the control panel 2 is arranged in the middle of the protective cover 1, the bottom of the control panel 2 is clamped and placed in a control panel placement groove 8, the liquid crystal display 3 and the control button 4 are both arranged on the control panel 2, the liquid crystal display 3 and the control button 4 are both electrically connected with a main control panel 16, the type of the liquid crystal display 3 is AN-238W03D, a threading hole 6 is arranged on the bottom side plate of the protective shell 5, a radiating groove 7 is arranged on the side plate of the protective shell 5, the control panel placement groove 8 is arranged at the upper end of the protective shell 5, the rotating motor 9 is clamped and placed on the inner side of the side plate of the protective shell 5, and a fan blade 10 is arranged at the rotating end of the rotating motor 9, the model of rotating electrical machine 9 is Y80M1-2, bottom plate 11 is connected in the bottom of protecting sheathing 5, just fixing hole 12 has been seted up to the four corners department of bottom plate 11, insulating cushion 13 passes through fastening bolt fixed connection at the last face of bottom plate 11, just insulating cushion 13's top is provided with accepts board 14, accept and install direct current reactance 15, main control board 16, filtering board 17, power board 18 and ground plate 19 on the board 14, just direct current reactance 15, main control board 16, filtering board 17, power board 18 and ground plate 19 all are electric connection, direct current reactance 15 is located main control board 16's top, filtering board 17 sets up between main control board 16 and power board 18, ground plate 19 is located one side of main control board 16 and filtering board 17.

The protective cover 1 and the protective shell 5 are both in a square shell shape, the inner walls of the protective cover 1 and the protective shell 5 are coated with insulating films, the frequency conversion device is prevented from being electrified due to short circuit of internal components, a certain potential safety hazard is provided for maintenance personnel, the protective cover 1 is detachably connected with the protective shell 5 through connecting bolts on two sides, the protective shell 5 is detachably connected with the bottom plate 11 through connecting bolts on two sides, the frequency conversion device is convenient to assemble or disassemble, the maintenance personnel can conveniently maintain and detect the frequency conversion device, sealing gaskets are arranged at the connecting part of the protective cover 1 and the protective shell 5 and the connecting part of the protective shell 5 and the bottom plate 11, the connection is more tight, water is prevented from entering the frequency conversion device, the short circuit of the internal components is prevented, the radiating grooves 7 are symmetrically arranged on two sides of the protective shell 5, and the inboard of radiating groove 7 is equipped with the dust screen, and the air of being convenient for forms the convection current, can avoid dust and winged insect etc. to get into in this frequency conversion device simultaneously, rotation motor 9 is symmetry form fixed connection in the both sides of protecting sheathing 5, and flabellum 10 is the rotation connection through rotating motor 9 in protecting sheathing 5, can accelerate the flow of air, and then can dispel the heat to this frequency conversion device, prolongs this frequency conversion device's life.

The working principle is as follows: when using this electrical equipment frequency conversion device, with direct current reactance 15, main control panel 16, filter 17, power board 18 and ground plate 19 are installed on bottom plate 11 in proper order, and put protective housing 5 card top on bottom plate 11, use fastening bolt to be in the same place protective housing 5 and bottom plate 11 are fixed, pass through wires hole 6 with the circuit and link together with power board 18, then put control panel 2 card in protective housing 5's upper end, and fix protective cover 1 with fastening bolt and settle protective cover 5 top, this frequency conversion device work is, rotation motor 9 drives flabellum 10 and rotates, accelerate the flow of air, and then can dispel the heat to this frequency conversion device, prolong this frequency conversion device's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An electrical equipment frequency conversion device, its characterized in that: the device comprises a protective cover (1), a control panel (2), a liquid crystal display screen (3), an operation button (4), a protective shell (5), a threading hole (6), a radiating groove (7), a control panel arranging groove (8), a rotating motor (9), fan blades (10), a bottom plate (11), a fixing through hole (12), an insulating cushion block (13), a bearing plate (14), a direct current reactance (15), a main control plate (16), a filter plate (17), a power plate (18) and a ground plate (19); the frequency conversion device is characterized in that the protective cover (1), the protective shell (5) and the bottom plate (11) form an external structure of the frequency conversion device, the protective cover (1) is clamped and arranged above the protective shell (5), the control panel (2) is arranged in the middle of the protective cover (1), the bottom of the control panel (2) is clamped and arranged in a control panel arranging groove (8), the liquid crystal display (3) and the control button (4) are both arranged on the control panel (2), the liquid crystal display (3) and the control button (4) are both electrically connected with a main control panel (16), the bottom side plate of the protective shell (5) is provided with a threading hole (6), the side plate of the protective shell (5) is provided with a radiating groove (7), the control panel arranging groove (8) is arranged at the upper end of the protective shell (5), the rotating motor (9) is clamped and arranged on the inner side plate of the protective shell (5), and the rotation end of the rotating motor (9) is provided with fan blades (10), the bottom plate (11) is connected to the bottom of the protective shell (5), the four corners of the bottom plate (11) are provided with fixing through holes (12), the insulating cushion blocks (13) are fixedly connected to the upper plate surface of the bottom plate (11) through fastening bolts, a bearing plate (14) is arranged above the insulating cushion blocks (13), the bearing plate (14) is provided with a direct current reactance (15), a main control plate (16), a filter plate (17), a power plate (18) and a ground plate (19), the direct current reactance (15), the main control plate (16), the filter plate (17), the power plate (18) and the ground plate (19) are all electrically connected, the direct current reactance (15) is positioned above the main control plate (16), the filter plate (17) is arranged between the main control plate (16) and the power plate (18), the grounding plate (19) is positioned at one side of the main control plate (16) and the filter plate (17).

2. An electrical equipment frequency conversion device according to claim 1, characterized in that: protective cover (1) and protecting sheathing (5) all are square shell form, and the inner wall of protective cover (1) and protecting sheathing (5) all scribbles the insulating film.

3. An electrical equipment frequency conversion device according to claim 1, characterized in that: protective cover (1) is detachable the connection through the connecting bolt of both sides with protecting sheathing (5), and protecting sheathing (5) are detachable the connection through the connecting bolt of both sides and bottom plate (11).

4. An electrical equipment frequency conversion device according to claim 1, characterized in that: and sealing gaskets are arranged at the joint of the protective cover (1) and the protective shell (5) and the joint of the protective shell (5) and the bottom plate (11).

5. An electrical equipment frequency conversion device according to claim 1, characterized in that: the radiating grooves (7) are symmetrically arranged on two sides of the protective shell (5), and dust screens are arranged on the inner sides of the radiating grooves (7).

6. An electrical equipment frequency conversion device according to claim 1, characterized in that: the rotating motor (9) is symmetrically fixedly connected to two sides of the protective shell (5), and the fan blades (10) are rotatably connected in the protective shell (5) through the rotating motor (9).