CN211655994U

CN211655994U - Mining frequency converter shell with good heat dissipation effect

Info

Publication number: CN211655994U
Application number: CN202020783839.8U
Authority: CN
Inventors: 王永明; 罗兴臣; 董璇璇
Original assignee: Jiangsu Lihang Electric Co ltd
Current assignee: Jiangsu Lihang Electric Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-10-09
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a mining frequency converter shell with good heat dissipation effect, which comprises a bottom plate, wherein the bottom of the bottom plate is fixedly connected with a plurality of bases, the two sides of the top of the bottom plate are fixedly connected with stoppers, one side of each stopper is provided with a protective cover, the center of the top of the protective cover is provided with a cover opening, a top cover is arranged above the protective cover, the center of the bottom of the top cover is fixedly connected with a mounting seat, the bottom of the mounting seat is provided with a motor, the shaft body of the output shaft of the motor is fixedly connected with a plurality of fan blades, a filter screen is arranged below the motor, the side walls of the two sides of the protective cover are respectively provided with a plurality of heat dissipation holes, the bottom of the protective cover is provided with a support frame, a plurality of support rods are fixedly connected between the, threaded holes are formed in the two sides of the bottom plate and the protective cover, and bolts are connected in the threaded holes in an internal thread mode.

Description

Mining frequency converter shell with good heat dissipation effect

Technical Field

The utility model relates to a converter technical field specifically is a mining converter casing that radiating effect is good.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous increase of the industrial automation degree, the frequency converter is also widely used, which also includes the mining industry. But present converter casing is mostly closed design, and its radiating effect is relatively poor, very generates heat in a large number after carrying out operations such as mining for a long time very easily to influence the life of converter, consequently urgently need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the poor defect of prior art's converter casing radiating effect, provide a mining converter casing that the radiating effect is good. The mining frequency converter shell with the good heat dissipation effect has the advantages of being good in heat dissipation effect, convenient to detach and install and the like.

In order to achieve the above object, the utility model provides a following technical scheme: a mining frequency converter shell with good heat dissipation effect comprises a bottom plate, wherein the bottom of the bottom plate is fixedly connected with a plurality of bases, the two sides of the top of the bottom plate are fixedly connected with limit blocks, one side of each limit block is provided with a protective cover, the protective cover is positioned above the bottom plate, the center of the top of the protective cover is provided with a cover opening, a top cover is arranged above the protective cover, the center of the bottom of the top cover is fixedly connected with a mounting seat, an air inlet is arranged between the mounting seat and the top cover in a penetrating manner, the mounting seat penetrates through the cover opening and extends into the protective cover, the bottom of the mounting seat is provided with a motor, an output shaft body of the motor is fixedly connected with a plurality of fan blades, a filter screen is arranged below the motor, the side walls of the two sides of the protective cover are respectively provided with a plurality of heat, and the inner chamber bottom of support frame is provided with the heat-conducting plate, goes up a plurality of heat conduction sticks of bottom fixedly connected with of heat-conducting plate, and the heat conduction stick runs through support frame and bottom plate and extends to the below of bottom plate, and heat-conducting plate under the bottom fixedly connected with of heat conduction stick, threaded hole has all been seted up to the both sides of bottom plate and safety cover, threaded hole female connection has the bolt.

Preferably, a plurality of reference column of top inner wall fixedly connected with of top cap, the constant head tank has all been seted up at the center of every reference column, has inserted the locating piece in the constant head tank, and the top fixed connection of locating piece has seted up the jack in the bottom of top cap, the top lateral wall of safety cover, and it has the bolt to insert in the jack, and the bolt runs through reference column and locating piece.

Preferably, the both sides fixedly connected with fixture block of filter screen, the both sides inner wall of safety cover all seted up with fixture block matched with draw-in groove, the fixture block inserts to the draw-in groove.

Preferably, the bottom surface of the base is provided with a layer of rubber gasket, and herringbone anti-slip lines are carved on the surface of the rubber gasket.

Preferably, the bottom surface of the lower heat-conducting plate is level with the bottom surface of the base.

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

mine converter casing radiating effect that the radiating effect is good, convenient to detach and installation, can blow air to the safety cover inside through driving motor, thereby accelerate the inside air flow speed of safety cover, then make inside hot-air see through the louvre as early as possible and spread outside the safety cover, so as to cool down the converter, prevent overheated, can absorb the heat that the converter sent through last heat-conducting plate, and give heat-conducting plate down through the heat conduction stick with the heat transfer, the heat-conducting plate contacts with the earth's surface down, thereby can transmit the earth's surface and spread the heat fast, then strengthened the heat dispersion of this converter casing, can pull down the safety cover from the bottom plate and adorn at any time through screwing up and unscrewing the bolt, and can install the top of safety cover or pull down from the safety cover with the top cap through the plug bolt.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Reference numbers in the figures: 1 bottom plate, 2 bases, 3 limiting blocks, 4 protective covers, 5 cover openings, 6 top covers, 7 mounting seats, 71 air inlets, 72 dust screens, 8 motors, 9 fan blades, 10 filter screens, 11 heat dissipation holes, 12 support frames, 13 support rods, 14 upper heat conduction plates, 15 heat conduction rods, 16 lower heat conduction plates, 17 positioning columns, 18 positioning grooves, 19 positioning blocks, 20 insertion holes, 21 insertion pins, 22 clamping blocks, 23 clamping grooves, 24 threaded holes and 25 bolts.

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, the present invention provides a technical solution: a mining frequency converter shell with good heat dissipation effect comprises a bottom plate 1, wherein the bottom of the bottom plate 1 is fixedly connected with a plurality of bases 2, the bottom surface of each base 2 is provided with a layer of rubber gasket, herringbone anti-slip lines are carved on the surface of each rubber gasket, the friction force between each base 2 and the ground can be increased, so that the stability of the shell is improved, two sides of the top of the bottom plate 1 are fixedly connected with limit blocks 3, one side of each limit block 3 is provided with a protective cover 4, each protective cover 4 is positioned above the bottom plate 1, the center of the top of each protective cover is provided with a cover opening 5, a top cover 6 is arranged above each protective cover 4, the center of the bottom of each top cover 6 is fixedly connected with a mounting seat 7, an air inlet 71 is arranged between each mounting seat 7 and each top cover (6), external air enters through the air inlet 71, each mounting seat 7 penetrates through each cover, the motor 8 is externally connected with a power supply through a wire, an output shaft body of the motor is fixedly connected with a plurality of fan blades 9, the width of the fan blades 9 is smaller than that of the cover opening 5, a filter screen 10 is arranged below the motor 8, the filter screen 10 can play a role of filtering and blocking dust so as to prevent the dust from entering the protective cover 4, two sides of the filter screen 10 are fixedly connected with clamping blocks 22, the inner walls of two sides of the protective cover 4 are respectively provided with a clamping groove 23 matched with the clamping block 22, the clamping blocks 22 are inserted into the clamping grooves 23, when a large amount of dust is accumulated on the filter screen 10, the clamping blocks 22 can be drawn out from the clamping grooves 23 so as to clean or replace the filter screen 10, two side walls of the protective cover 4 are respectively provided with a plurality of heat dissipation holes 11, the heat dissipation holes 11 and the air inlet 71 are respectively provided with a dust screen 72, the dust, a supporting frame 12 is arranged at the bottom of the protective cover 4, a plurality of supporting rods 13 are fixedly connected between the bottom of the supporting frame 12 and the bottom plate 1, an upper heat conducting plate 14 is arranged at the bottom of an inner cavity of the supporting frame 12, a plurality of heat conducting rods 15 are fixedly connected at the bottom of the upper heat conducting plate 14, the heat conducting rods 15 penetrate through the supporting frame 12 and the bottom plate 1 and extend to the lower part of the bottom plate 1, a lower heat conducting plate 16 is fixedly connected at the bottom end of the heat conducting rods 15, the bottom surface of the lower heat conducting plate 16 is flush with the bottom surface of the base 2, the upper heat conducting plate 14, the lower heat conducting plate 16 and the heat conducting rods 15 are made of metal materials and have strong heat conducting performance and can quickly transmit heat to the ground surface and diffuse the heat, a plurality of positioning columns 17 are fixedly connected to the inner wall of the top cover 6, a positioning groove 18, utilize constant head tank 18 then locating piece 19 can fix a position top cap 6 to prevent that top cap 6 from taking place to rock, jack 20 has been seted up to the top lateral wall of safety cover 4, has inserted bolt 21 in jack 20, and bolt 21 runs through reference column 17 and locating piece 19, and bottom plate 1 all has seted up threaded hole 24 with the both sides of safety cover 4, and threaded hole 24 female connection has bolt 25.

The working principle is as follows: when the utility model is used, firstly the protective cover 4 is placed on the bottom plate 1, then the bolt 25 is screwed into the threaded hole 24, thereby the protective cover 4 is fixed on the bottom plate 1, then the top cover 6 is placed on the top of the protective cover 4, and the positioning block 19 is aligned and inserted into the corresponding positioning groove 18, then the bolt 21 passes through the jack 20 and penetrates through the positioning column 17 and the positioning block 19, thereby the top cover 6 is fixed on the top of the protective cover 4, the supporting frame 12 is provided with circuit elements related to the frequency converter, when the frequency converter generates a large amount of heat due to long-time work, the fan blade 9 is driven to rotate by the external power supply driving motor 8, the inside of the protective cover 4 can be blown when the fan blade 9 rotates, thereby the air flow speed inside the protective cover 4 is accelerated, then the hot air inside is diffused outside the protective cover 4 through the heat dissipation holes 11 as soon as possible, prevent overheated, simultaneously, can absorb the heat that the converter sent through last heat-conducting plate 14 to give lower heat-conducting plate 16 through heat conduction stick 15 heat transfer, lower heat-conducting plate 16 contacts with the earth's surface, thereby can transmit the heat to the earth's surface fast and the diffusion, then strengthened the heat dispersion of this converter casing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mining converter casing that radiating effect is good, includes bottom plate (1), its characterized in that: the bottom of the bottom plate (1) is fixedly connected with a plurality of bases (2), the two sides of the top of the bottom plate are fixedly connected with limit blocks (3), one side of each limit block (3) is provided with a protective cover (4), each protective cover (4) is positioned above the bottom plate (1), a cover opening (5) is formed in the center of the top of each protective cover (4), a top cover (6) is arranged above each protective cover (4), the center of the bottom of each top cover (6) is fixedly connected with a mounting seat (7), an air inlet (71) penetrates through the space between each mounting seat (7) and each top cover (6), each mounting seat (7) penetrates through each cover opening (5) and extends into each protective cover (4), a motor (8) is installed at the bottom of each mounting seat (7), a plurality of fan blades (9) are fixedly connected with an output shaft body of each motor (8), and a filter screen (10, the side walls of the two sides of the protective cover (4) are respectively provided with a plurality of heat dissipation holes (11), dust screens (72) are respectively arranged on the heat dissipation holes (11) and the air inlet (71), a support frame (12) is arranged at the bottom of the protective cover (4), a plurality of support rods (13) are fixedly connected between the bottom of the support frame (12) and the bottom plate (1), an upper heat conducting plate (14) is arranged at the bottom of the inner cavity of the supporting frame (12), the bottom of the upper heat conducting plate (14) is fixedly connected with a plurality of heat conducting bars (15), the heat conducting rod (15) penetrates through the support frame (12) and the bottom plate (1) and extends to the lower part of the bottom plate (1), and the bottom end of the heat conducting rod (15) is fixedly connected with a lower heat conducting plate (16), threaded holes (24) are formed in the two sides of the bottom plate (1) and the protective cover (4), and bolts (25) are connected with the threaded holes (24) in an internal thread mode.

2. The mining frequency converter shell with the good heat dissipation effect according to claim 1, characterized in that: top inner wall fixedly connected with a plurality of reference column (17) of top cap (6), every constant head tank (18) have all been seted up at the center of reference column (17), locating piece (19) have been inserted in constant head tank (18), the top fixed connection of locating piece (19) is in the bottom of top cap (6), jack (20) have been seted up to the top lateral wall of safety cover (4), plug (21) have been inserted in jack (20), plug (21) run through reference column (17) and locating piece (19).

3. The mining frequency converter shell with the good heat dissipation effect according to claim 1, characterized in that: the filter screen is characterized in that clamping blocks (22) are fixedly connected to two sides of the filter screen (10), clamping grooves (23) matched with the clamping blocks (22) are formed in the inner walls of two sides of the protective cover (4), and the clamping blocks (22) are inserted into the clamping grooves (23).

4. The mining frequency converter shell with the good heat dissipation effect according to claim 1, characterized in that: the bottom surface of the base (2) is provided with a layer of rubber gasket, and herringbone anti-slip lines are carved on the surface of the rubber gasket.

5. The mining frequency converter shell with the good heat dissipation effect according to claim 1, characterized in that: the bottom surface of the lower heat conducting plate (16) is flush with the bottom surface of the base (2).