CN211296575U

CN211296575U - Novel frequency converter based on FPGA

Info

Publication number: CN211296575U
Application number: CN201922266301.XU
Authority: CN
Inventors: 田新峰
Original assignee: Huaian Lifeng Electric Technology Co ltd
Current assignee: Huaian Lifeng Electric Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-18
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a novel converter based on FPGA, including the converter main part, the front end surface of converter main part is provided with the wiring port, the upper end that the surface of converter main part corresponds the wiring port is provided with the protective cover, the T type fixture block that the protective cover extends including connecting in the pivot of both sides and from the both sides lower extreme of protective cover, the rear end that the upper end surface of converter main part is close to the protective cover is provided with heat radiation structure, the louvre has been seted up to the side surface of converter main part, the inboard of louvre is provided with the dust screen. Novel converter based on FPGA, through being provided with protective cover plate, not only can protect binding post, it is more convenient to also make the wiring, through being provided with heat radiation structure, can improve the radiating efficiency, also is favorable to the later stage to clear up the fin.

Description

Novel frequency converter based on FPGA

Technical Field

The utility model relates to a converter technical field, in particular to novel converter based on FPGA.

Background

The frequency converter is a power control device which controls an alternating current motor by changing the working power supply frequency mode of the motor, and mainly comprises a rectification (alternating current to direct current), a filtering, an inversion (direct current to alternating current), a braking unit, a driving unit, a detection unit microprocessing unit and the like, wherein the frequency converter adjusts the voltage and the frequency of an output power supply by switching on and off an internal IGBT (insulated gate bipolar translator), 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, in addition, the frequency converter has a plurality of protection functions, such as overcurrent, overvoltage, overload protection and the like, and the frequency converter is widely applied along with the continuous improvement of the industrial automation degree, but the existing frequency converter is inconvenient in wiring, and a wiring terminal is easy to fall ash, so that poor contact can be caused, in addition, the effect is poor in heat dissipation, the heat radiating fins are not beneficial to cleaning, and therefore a novel frequency converter based on the FPGA is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a novel converter based on FPGA, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel converter based on FPGA, including the converter main part, the front end surface of converter main part is provided with the wiring port, the upper end that the surface of converter main part corresponds the wiring port is provided with the protective cover, the T type fixture block that the protective cover extends including connecting in the pivot of both sides and from the both sides lower extreme of protective cover, the rear end that the upper end surface of converter main part is close to the protective cover is provided with heat radiation structure, the louvre has been seted up to the side surface of converter main part, the inboard of louvre is provided with the dust screen.

Preferably, be fixed connection between pivot and the protective cover, the internal surface of converter main part corresponds the spout of having seted up of pivot, the quantity of pivot is two sets of, the pivot is the symmetry and arranges, be fixed connection between T type fixture block and the protective cover, the quantity of T type fixture block is two sets of, and is the symmetry and arranges.

Preferably, heat radiation structure includes connecting plate, fin, fastening bolt, heat radiation structure's internal surface corresponds the card of connecting plate and locates to have seted up the spout, the shape of connecting plate and spout is coincide, and the terminal surface of connecting plate and the inner wall activity laminating of spout, be threaded connection between fastening bolt and the connecting plate, and fastening bolt extends to the inboard of converter main part, the fin is vertical to be established in the upper end surface of connecting plate, and with the connecting plate between be fixed connection, the quantity of fin is a plurality of groups, the fin is the array and arranges.

Preferably, be fixed connection between wiring port and the converter main part, the both sides that the front end surface of converter main part is close to the wiring port are provided with movable hasp, be fixed connection between movable hasp and the converter main part, the both sides surface of converter main part all is provided with the handle, through welded fastening connection between handle and the converter main part, the quantity of handle is two sets of, the handle is the symmetry and arranges.

Preferably, the heat dissipation holes penetrate through the outer surface of the frequency converter main body, and the dust screen is movably connected with the heat dissipation holes.

Compared with the prior art, the utility model discloses following beneficial effect has: this novel converter based on FPGA, through being provided with the protective cover, when the converter wiring, outwards take the spout of protective cover along converter main part internal surface out, make the pivot withstand the converter main part, prevent that the protective cover from coming off from the converter main part, later recycle pivot upset protective cover, spill the binding post of wiring port upper end, utilize wiring port and binding post to connect the electric wire jail, utilize the protective cover can enough conveniently to work a telephone switchboard, can prevent again that the dust from falling into the binding post surface and causing contact failure or short circuit, through being provided with heat radiation structure, can increase the area of contact of fin and air, improve the radiating effect, when clearing up the fin, with fastening bolt unscrewing, again with the connecting plate take out in the converter main part can, be favorable to clearing up the fin, guarantee the radiating effect of fin.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a novel frequency converter based on the FPGA of the present invention;

FIG. 2 is a partial enlarged view of a novel frequency converter based on FPGA according to the present invention;

fig. 3 is a schematic view of a partial structure of a protective cover of a novel frequency converter based on FPGA of the present invention;

fig. 4 is the utility model discloses a novel cross-sectional view of heat radiation structure department of converter based on FPGA.

In the figure: 1. a frequency converter main body; 2. a wiring port; 3. a protective cover; 31. a rotating shaft; 32. a T-shaped fixture block; 4. a movable lock catch; 5. a heat dissipation structure; 51. a connecting plate; 52. a heat sink; 53. fastening a bolt; 6. heat dissipation holes; 7. a dust screen; 8. a handle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1, a novel converter based on FPGA, including converter main part 1, the front end surface of converter main part 1 is provided with wiring port 2, the upper end that the surface of converter main part 1 corresponds wiring port 2 is provided with protective cover 3, protective cover 3 is including connecting in the pivot 31 of both sides and the T type fixture block 32 that extends from the both sides lower extreme of protective cover 3, the rear end that the upper end surface of converter main part 1 is close to protective cover 3 is provided with heat radiation structure 5, louvre 6 has been seted up to the side surface of converter main part 1, louvre 6's inboard is provided with dust screen 7.

Be fixed connection between wiring port 2 and the converter main part 1, the both sides that the front end surface of converter main part 1 is close to wiring port 2 are provided with movable hasp 4, be fixed connection between movable hasp 4 and the converter main part 1, the both sides surface of converter main part 1 all is provided with handle 8, through welded fastening connection between handle 8 and the converter main part 1, the quantity of handle 8 is two sets of, handle 8 is the symmetry and arranges, handle 8 is favorable to the user to mention the converter.

Example two:

on the basis of the first embodiment, as shown in fig. 2 and 3, the rotating shaft 31 and the protecting cover 3 are fixedly connected, the inner surface of the frequency converter main body 1 corresponds to the rotating shaft 31 and is provided with the sliding grooves, the number of the rotating shafts 31 is two, the rotating shafts 31 are symmetrically arranged, the T-shaped clamping blocks 32 and the protecting cover 3 are fixedly connected, the number of the T-shaped clamping blocks 32 is two, the T-shaped clamping blocks 32 are symmetrically arranged, and the stability of the protecting cover 3 is ensured by the T-shaped clamping blocks 32.

Example three:

on the basis of the first and second embodiments, as shown in fig. 4, the heat dissipation structure 5 includes a connection plate 51, heat dissipation fins 52, and fastening bolts 53, a sliding groove is formed in the inner surface of the heat dissipation structure 5 corresponding to the clamping position of the connection plate 51, the connection plate 51 is matched with the sliding groove in shape, the end surface of the connection plate 51 is movably attached to the inner wall of the sliding groove, the fastening bolts 53 are in threaded connection with the connection plate 51, the fastening bolts 53 extend to the inner side of the frequency converter main body 1, the heat dissipation fins 52 are vertically arranged on the outer surface of the upper end of the connection plate 51 and are fixedly connected with the connection plate 51, the number of the heat dissipation fins 52 is multiple, the heat dissipation fins 52 are arranged in an array, the contact area between the heat.

The louvre 6 runs through in the surface of converter main part 1, is swing joint between dust screen 7 and the louvre 6, and dust screen 7 can prevent that the dust from getting into in the converter.

It should be noted that, the utility model relates to a novel frequency converter based on FPGA, when using, when the user connects the line to the frequency converter, the protective cover 3 is drawn out along the chute of the inner surface of the frequency converter main body 1, the rotating shaft 31 is made to support the frequency converter main body 1, the protective cover 3 is prevented from falling off from the frequency converter main body 1, then the rotating shaft 31 is used to turn over the protective cover 3, the wiring terminal at the upper end of the wiring port 2 is leaked, the wiring port 2 and the wiring terminal are used to connect the electric wire firmly, the protective cover 3 can not only facilitate the line connection, but also prevent the dust from falling into the surface of the wiring terminal to cause bad contact or short circuit, the user can increase the contact area of the radiating fin 52 and the air by using the radiating structure 5, improve the radiating effect, when cleaning the radiating fin 52, the fastening bolt 53 is screwed down, and then the connecting plate 51 is drawn, the heat radiation effect of the heat radiation fins 52 is ensured.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Novel converter based on FPGA, including converter main part (1), its characterized in that: the utility model discloses a converter, including converter main part (1), protective cover (3), T type fixture block (32) that the surface of converter main part (1) corresponds wiring port (2), the upper end that the pivot (31) of connecting in both sides and extend from the both sides lower extreme of protective cover (3) is provided with protective cover (3), the upper end surface of converter main part (1) is close to the rear end of protective cover (3) and is provided with heat radiation structure (5), louvre (6) have been seted up to the side surface of converter main part (1), the inboard of louvre (6) is provided with dust screen (7).

2. The novel frequency converter based on the FPGA according to claim 1, characterized in that: be fixed connection between pivot (31) and protective cover (3), the internal surface of converter main part (1) corresponds the spout of having seted up of pivot (31), the quantity of pivot (31) is two sets of, pivot (31) are the symmetry and arrange, be fixed connection between T type fixture block (32) and protective cover (3), the quantity of T type fixture block (32) is two sets of, and is the symmetry and arranges.

3. The novel frequency converter based on the FPGA according to claim 1, characterized in that: heat radiation structure (5) are including connecting plate (51), fin (52), fastening bolt (53), the spout has been seted up to the internal surface of heat radiation structure (5) corresponding card of connecting plate (51) department of blocking, connecting plate (51) coincide with the shape of spout, and the terminal surface of connecting plate (51) and the inner wall activity laminating of spout, be threaded connection between fastening bolt (53) and connecting plate (51), and fastening bolt (53) extend to the inboard of converter main part (1), fin (52) are vertical to be established in the upper end surface of connecting plate (51), and be fixed connection between connecting plate (51), the quantity of fin (52) is a plurality of groups, fin (52) are the array and arrange.

4. The novel frequency converter based on the FPGA according to claim 1, characterized in that: be fixed connection between wiring port (2) and converter main part (1), the both sides that the front end surface of converter main part (1) is close to wiring port (2) are provided with movable hasp (4), be fixed connection between movable hasp (4) and converter main part (1), the both sides surface of converter main part (1) all is provided with handle (8), pass through welded fastening between handle (8) and converter main part (1) and be connected, the quantity of handle (8) is two sets of, handle (8) are the symmetry and arrange.

5. The novel frequency converter based on the FPGA according to claim 1, characterized in that: the radiating holes (6) penetrate through the outer surface of the frequency converter main body (1), and the dust screen (7) is movably connected with the radiating holes (6).