CN218570102U

CN218570102U - Three-phase inverter

Info

Publication number: CN218570102U
Application number: CN202223065905.6U
Authority: CN
Inventors: 赵崇亮; 戴春燕
Original assignee: Shenzhen Qianqiu Technology Co ltd
Current assignee: Shenzhen Qianqiu Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-03
Anticipated expiration: 2032-11-18

Abstract

The utility model belongs to the technical field of electric power, in particular to a three-phase inverter, which comprises a shell, wherein the top and the bottom of the shell are respectively provided with a top sealing plate and a bottom sealing plate, one side of the shell is provided with a side sealing plate, the inner side of the top of the shell is provided with a mounting plate, one side of the top of the mounting plate is vertically provided with a plurality of cooling fans, and the middle part of the top of the mounting plate is fixedly provided with a temperature sensor; the front top of casing is inlayed and is provided with seal gasket, and the inner wall of casing is fixed to be provided with the iron core of seal gasket with the axle center, and the outside winding of iron core is provided with the coil, and the back top of casing is inlayed and is provided with the filter. The utility model discloses utilize temperature sensor to monitor casing internal temperature to start radiator fan as required, thereby realize the saving of the energy, in addition the utility model provides a seal gasket is opened in step when radiator fan starts, thereby the heat dissipation of being convenient for, and inside the unable casing that gets into of dust when guaranteeing radiator fan and closing.

Description

Three-phase inverter

Technical Field

The utility model belongs to the technical field of electric power, concretely relates to three-phase inverter.

Background

The three-phase inverter is a high-power inverter power supply for electric power and is mainly used for armies; communication; factory and enterprise uninterrupted power system, current three-phase inverter is in order to improve its heat-sinking capability, often utilizes the fan to carry out the forced heat dissipation, if the temperature is lower when not needing the heat dissipation, starts the fan always and leads to the fact the waste of energy.

Via review publication (bulletin) number: CN213094750U discloses a three-phase power inverter, and this technology discloses "including a cabinet," a control platform is fixedly mounted above the inside of the cabinet, a heat dissipation switch is fixedly mounted on the control platform, a first cabinet door is movably mounted at the right end of the cabinet, a glass window is fixedly mounted at a position close to the top end of the first cabinet door, a lock handle is movably mounted at the right lower side of the glass window, a heat dissipation grid is fixedly mounted at a position close to the bottom end of the first cabinet door, and a heat dissipation fan and other technical schemes are mounted at the side edge of the cabinet, so that the internal temperature of the cabinet is reduced, and a user can conveniently perform ash removal and other technical effects on the inside of the inverter ";

however, the heat exhausting fan is always started when the device is used, so that energy waste is caused, dust can still enter the cabinet through the heat dissipation grating, and the workload of workers can be increased by frequent dust removal.

In order to solve the above problems, a three-phase inverter is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a three-phase inverter has the inside temperature of monitoring casing and energy-conserving dirt-proof characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a three-phase inverter comprises a shell, wherein a top sealing plate and a bottom sealing plate are respectively arranged at the top and the bottom of the shell, a side sealing plate is arranged at one side of the shell, a mounting plate is arranged at the inner side of the top of the shell, a plurality of radiating fans are vertically arranged at one side of the top end of the mounting plate, and a temperature sensor is fixedly arranged in the middle of the top end of the mounting plate; the sealing gasket is embedded in the top of the front face of the shell, an iron core which is coaxial with the sealing gasket is fixedly arranged on the inner wall of the shell, a coil is wound on the outer side of the iron core, the temperature sensor is respectively electrically connected with the cooling fan and the coil, and a filtering plate is embedded in the top of the back face of the shell.

As the utility model relates to a three-phase inverter is preferred, the casing the top shrouding the bottom shrouding reaches the side shrouding is sealed fixed each other.

As a preferred utility model relates to a three-phase dc-to-ac converter, seal gasket is the magnetism material, just make after the coil circular telegram the iron core have magnetism and with seal gasket keeps away from each other.

As the utility model relates to a three-phase inverter is preferred, seal gasket's the fixed telescopic link that is provided with of middle part level, the one end of telescopic link is run through the front of casing is provided with the stopper, the outside of telescopic link just is located the inner wall of casing with the cover is equipped with first compression spring between the stopper.

As the utility model relates to a three-phase inverter is preferred, the top of casing is run through and is provided with a plurality of louvres, inlay one side of louvre and be provided with seal gasket, the middle part of louvre transversely is provided with the stop collar, the stop collar through a plurality of brace rods with the inner wall fixed connection of louvre, just the middle part of stop collar runs through and is provided with the telescopic link.

As the utility model relates to a three-phase inverter is preferred, the rectangular hole has been seted up at the back top of casing, the inside of rectangular hole is provided with the filter, the rectangular hole is close to the fixed spacing that is provided with in inside one side of casing, the back top of casing is rotated and is provided with a plurality of rotor plates.

As the utility model relates to a three-phase inverter is preferred, spacing is close to one side of filter is fixed and is provided with a plurality of second compression spring, the one end of second compression spring with the filter butt.

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

1. the utility model discloses utilize temperature sensor to monitor casing internal temperature to start radiator fan as required, thereby realize the saving of the energy, in addition the utility model provides a seal gasket is opened in step when radiator fan starts, thereby the heat dissipation of being convenient for, and inside the unable casing that gets into of dust when guaranteeing radiator fan and closing.

2. Set up the filter through the back at the casing, not only can guarantee that the inside air of casing is in the circulation state when radiator fan starts, can effectively filter the dust in the air moreover to guarantee the life of the inside electronic components of casing.

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 invention and not to limit the invention. In the drawings:

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

fig. 2 is a second schematic structural diagram of the present invention;

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

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural view of the housing of the present invention;

fig. 6 is a partially enlarged view of fig. 3 at B.

In the figure: 1. a housing; 2. a top sealing plate; 3. a bottom closing plate; 4. side surface sealing plates; 5. mounting a plate; 6. a heat radiation fan; 7. a temperature sensor; 8. a sealing gasket; 9. an iron core; 10. a coil; 11. a filter plate; 12. a telescopic rod; 13. a limiting block; 14. a first compression spring; 15. heat dissipation holes; 16. a limiting sleeve; 17. supporting ribs; 18. a rectangular hole; 19. a limiting frame; 20. a rotating plate; 21. a second compression spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 and 2;

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

fig. 2 is a second schematic structural diagram of the present invention.

A three-phase inverter comprises a shell 1, wherein the top and the bottom of the shell 1 are respectively provided with a top sealing plate 2 and a bottom sealing plate 3, one side of the shell 1 is provided with a side sealing plate 4, the inner side of the top of the shell 1 is provided with a mounting plate 5, one side of the top end of the mounting plate 5 is vertically provided with a plurality of cooling fans 6, and the middle part of the top end of the mounting plate 5 is fixedly provided with a temperature sensor 7; the top of the front face of the shell 1 is embedded with a sealing gasket 8, the inner wall of the shell 1 is fixedly provided with an iron core 9 which is coaxial with the sealing gasket 8, the outer side of the iron core 9 is wound with a coil 10, the temperature sensor 7 is respectively electrically connected with the cooling fan 6 and the coil 10, and the top of the back face of the shell 1 is embedded with a filter plate 11.

It should be noted that: in this embodiment, the portion that casing 1, top shrouding 2, bottom shrouding 3 and side shrouding 4 laminated each other is provided with the sealing washer, and the wind direction orientation sealing gasket 8 that radiator fan 6 produced.

It should be noted that: in this embodiment, the temperature sensor 7 is of the type WR-200.

In this embodiment: temperature sensor 7 monitors the inside temperature of casing 1 to start radiator fan 6 as required, thereby realize the saving of the energy, in addition the utility model provides a seal gasket 8 is opened in step when radiator fan 6 starts, thereby is convenient for dispel the heat, and guarantees that the dust can't get into inside casing 1 when radiator fan 6 closes.

In an alternative embodiment, the housing 1, top closure plate 2, bottom closure plate 3 and side closure plates 4 are sealingly secured to one another.

In this embodiment: this effectively prevents dust from entering the housing 1 and facilitates opening of the side closure plates 4.

In an alternative embodiment, the gasket 8 is made of magnetic material, and the coil 10 is energized to make the core 9 magnetic and away from the gasket 8.

In this embodiment: this ensures that the gasket 8 is opened synchronously when the cooling fan 6 is started, so that the air inside the housing 1 can circulate.

As shown in fig. 3 and 4;

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

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In an alternative embodiment, an expansion rod 12 is horizontally and fixedly arranged in the middle of the sealing gasket 8, one end of the expansion rod 12 penetrates through the front surface of the housing 1 and is provided with a limit block 13, and a first compression spring 14 is sleeved outside the expansion rod 12 and between the inner wall of the housing 1 and the limit block 13.

In this embodiment: the coil 10 is electrified to enable the iron core 9 to have magnetism and repel the sealing gasket 8, the telescopic rod 12 moves in the limiting sleeve 16 and drives the sealing gasket 8 to extend out of the heat dissipation hole 15, and at the moment, the heat dissipation fan 6 discharges hot air in the shell 1.

As shown in fig. 5;

fig. 5 is a schematic structural diagram of the middle housing of the present invention.

In an optional embodiment, a plurality of heat dissipation holes 15 are formed through the top of the housing 1, a sealing gasket 8 is embedded in one side of each heat dissipation hole 15, a position limiting sleeve 16 is transversely disposed in the middle of each heat dissipation hole 15, the position limiting sleeve 16 is fixedly connected with the inner wall of each heat dissipation hole 15 through a plurality of support ribs 17, and an expansion link 12 is formed through the middle of each position limiting sleeve 16.

In this embodiment: through the cooperation of seal gasket 8 and louvre 15, can realize louvre 15 and open and close as required to prevent the entering of dust.

As shown in fig. 6;

fig. 6 is a partially enlarged view of fig. 3 at B.

In an alternative embodiment, a rectangular hole 18 is formed at the top of the back of the housing 1, the filter plate 11 is disposed inside the rectangular hole 18, a limiting frame 19 is fixedly disposed at one side of the rectangular hole 18 close to the inside of the housing 1, and a plurality of rotating plates 20 are rotatably disposed at the top of the back of the housing 1.

In this embodiment: therefore, the filter plate 11 can be limited, and the filter plate 11 can be conveniently detached and installed.

In an alternative embodiment, a plurality of second compression springs 21 are fixedly arranged on one side of the limiting frame 19 close to the filter plate 11, and one end of each second compression spring 21 abuts against the filter plate 11.

In this embodiment: the second compression spring 21 can actively eject the filter plate 11 when the filter plate 11 is detached, thereby facilitating the detachment of the filter plate 11.

The utility model discloses a theory of operation and use flow: the shell 1, the top sealing plate 2, the bottom sealing plate 3 and the side sealing plates 4 are fixed by bolts, a PLC control chip is arranged in the shell 1, the temperature sensor 7 is electrically connected with the PLC control chip, when the interior of the shell 1 exceeds a set value, the temperature sensor 7 is used for electrifying the cooling fan 6 and the coil 10, the coil 10 is electrified to enable the iron core 9 to have magnetism and repel the sealing gasket 8, the telescopic rod 12 moves in the limiting sleeve 16 and drives the sealing gasket 8 to extend out of the heat dissipation hole 15, at the moment, the cooling fan 6 discharges hot air in the shell 1 and introduces cold air through the rectangular hole 18, when the interior of the shell 1 is lower than the set value, the temperature sensor 7 is powered off, and the sealing gasket 8 resets under the action of the first compression spring 14 and seals the heat dissipation hole 15; when the filter plate 11 needs to be cleaned, the rotating plate 20 is only required to rotate for a certain angle, and the filter plate 11 can be ejected under the action of the second compression spring 21.

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 three-phase inverter, includes casing (1), the top and the bottom of casing (1) are provided with top shrouding (2) and bottom shrouding (3) respectively, one side of casing (1) is provided with side shrouding (4), its characterized in that:

the inner side of the top of the shell (1) is provided with a mounting plate (5), one side of the top end of the mounting plate (5) is vertically provided with a plurality of cooling fans (6), and the middle part of the top end of the mounting plate (5) is fixedly provided with a temperature sensor (7);

the utility model discloses a temperature sensor, including casing (1), seal gasket (8), inner wall fixed be provided with seal gasket (8) with the iron core (9) of axle center, the outside winding of iron core (9) is provided with coil (10), temperature sensor (7) respectively with radiator fan (6) reach coil (10) electricity is connected, the back top of casing (1) is inlayed and is provided with filter (11).

2. The three-phase inverter according to claim 1, characterized in that: the shell (1), the top sealing plate (2), the bottom sealing plate (3) and the side sealing plates (4) are fixed in a sealing mode.

3. The three-phase inverter according to claim 2, characterized in that: the sealing gasket (8) is made of magnetic materials, and the iron core (9) is made to have magnetism and is far away from the sealing gasket (8) after the coil (10) is electrified.

4. The three-phase inverter according to claim 3, wherein: the middle part of the sealing gasket (8) is horizontally and fixedly provided with a telescopic rod (12), one end of the telescopic rod (12) penetrates through the front face of the shell (1) and is provided with a limiting block (13), and a first compression spring (14) is sleeved between the inner wall of the shell (1) and the limiting block (13) on the outer side of the telescopic rod (12).

5. The three-phase inverter according to claim 4, wherein: the top of casing (1) is run through and is provided with a plurality of louvres (15), one side of louvre (15) is inlayed and is provided with seal gasket (8), the middle part of louvre (15) transversely is provided with stop collar (16), stop collar (16) through a plurality of brace rod (17) with the inner wall fixed connection of louvre (15), just the middle part of stop collar (16) runs through and is provided with telescopic link (12).

6. The three-phase inverter according to claim 5, characterized in that: rectangular hole (18) have been seted up at the back top of casing (1), the inside of rectangular hole (18) is provided with filter (11), rectangular hole (18) are close to casing (1) inside one side is fixed and is provided with spacing (19), the back top of casing (1) is rotated and is provided with a plurality of rotor plates (20).

7. The three-phase inverter according to claim 6, wherein: the limiting frame (19) is close to one side of the filter plate (11) and is fixedly provided with a plurality of second compression springs (21), and one ends of the second compression springs (21) are abutted to the filter plate (11).