CN216700793U

CN216700793U - IGBT-based bidirectional solid-state switch

Info

Publication number: CN216700793U
Application number: CN202123300638.1U
Authority: CN
Inventors: 叶楚安; 张希范; 赵怀鹏; 郭莉; 郭灏明
Original assignee: Shenzhen Autoway Power Technology Co ltd
Current assignee: Yijiayou Intelligent Robot Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-06-07
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a bidirectional solid-state switch based on an IGBT (insulated gate bipolar translator), which comprises a protective shell, wherein heat dissipation plates are fixedly arranged at the bottom of the protective shell, the heat dissipation plates are uniformly distributed, a first mounting plate is fixedly arranged at one end of each heat dissipation plate, a ventilation pipe is fixedly arranged at one end of each first mounting plate, one end of each ventilation pipe penetrates through the second mounting plate, heat dissipation holes are formed in the outer wall of the second mounting plate, the heat dissipation holes penetrate through the second mounting plate and extend to the other side of the second mounting plate, the problem that the traditional solid-state switch generates heat in the use process, the solid-state switch is damaged due to the fact that internal components of the solid-state switch are burnt due to long-time high temperature is effectively solved, the arrangement of a heat dissipation fan can accelerate the air flow, and the heat dissipation efficiency of the heat dissipation plates is greatly improved, meanwhile, the service life of the switch is greatly prolonged, and the maintenance period of the switch is prolonged.

Description

IGBT-based bidirectional solid-state switch

Technical Field

The utility model relates to the technical field of solid-state switches, in particular to a bidirectional solid-state switch based on an IGBT.

Background

Solid-state switches, also known as contactless switches, are generally implemented by power electronics technology, with international standards named: compared with a mechanical contact switch, a non-contact switch of the semiconductor alternating current power controller has long service life, arcing and contact abrasion are caused during mechanical breaking, a solid-state switch is not abraded, the working frequency is high, the mechanical frequency is 4-10 power frequency cycles, the solid-state switch is less than 10ms, and the semiconductor alternating current power controller is high in reliability and safe to use.

The existing solid-state switch still has the following problems in the use process:

1. the existing solid-state switch generates heat in the use process, and the long-time high temperature can cause the burning of internal components of the solid-state switch to cause the damage of the solid-state switch;

2. the mounting mode of the existing solid-state switch and the cooling device in the using process is complex, and the cooling device is inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a bidirectional solid-state switch based on an IGBT (insulated gate bipolar transistor), which solves the problems that the conventional solid-state switch generates heat in the use process, the internal parts of the solid-state switch are burnt due to long-time high temperature, the solid-state switch is damaged, and meanwhile, the conventional solid-state switch is complicated in installation mode with a cooling device in the use process and is inconvenient to disassemble and assemble the cooling device.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a two-way solid state switch based on IGBT, includes the protective housing, protective housing bottom fixed mounting has the heating panel, heating panel evenly distributed, heating panel one end fixed mounting has first mounting panel, first mounting panel one end fixed mounting has the ventilation pipe, ventilation pipe one end runs through first mounting panel, ventilation pipe one end runs through the second mounting panel, second mounting panel outer wall is equipped with the louvre, the louvre runs through the second mounting panel and extends to the opposite side of second mounting panel.

Preferably, a heat dissipation fan is fixedly installed inside the heat dissipation hole, the inside of the ventilation pipe is of a hollow structure, a switch is installed inside the protective shell, a heat transfer plate is welded at the bottom of the switch, and the heat transfer plate is movably installed inside the sliding groove.

Preferably, the top of the protective shell is provided with through holes, the through holes are evenly distributed, the through holes penetrate through the outer wall of the protective shell and extend to the inside of the protective shell, the outer wall of the protective shell is symmetrically provided with plug wire ports, and one ends of the plug wire ports penetrate through the outer wall of the protective shell and extend to the inside of the protective shell.

Preferably, the outer wall of the heat dissipation plate is provided with a groove, the groove is sunken downwards, a fixing plate is fixedly mounted inside the groove, a limiting hole is formed in the top of the fixing plate, and the limiting hole penetrates through the fixing plate and extends to the other side of the fixing plate.

Preferably, the heat-conducting plate is fixedly mounted at the top of the heat-radiating plate, the two ends of the top of the heat-conducting plate are symmetrically provided with the sliding groove plates, and the sliding grooves are formed between the sliding groove plates and the heat-conducting plate.

(III) advantageous effects

The utility model provides a bidirectional solid-state switch based on an IGBT. The method has the following beneficial effects:

(1) this solid state switch, through radiator fan, the heat-conducting plate and the heat transfer plate set up the effectual traditional solid state switch of having solved and can have the condition of generating heat at the in-process that uses, long-time high temperature can lead to the problem that burns out of solid state switch inner part leads to solid state switch's damage, the heat transfer plate is with the heat transfer that the switch operation produced for the heat-conducting plate, then the heat-conducting plate gives the heat-radiating plate with heat transfer, dispel the heat through the heat-radiating plate, simultaneously in order to accelerate the heat dissipation of heat-radiating plate, radiator plate one end fixed mounting has radiator fan, radiator fan's setting can accelerate the flow of air, very big promotion the radiating efficiency of heat-radiating plate, simultaneously very big extension the life of switch, the maintenance cycle of switch has been prolonged.

(2) This solid state switch, through the chute board, spout and heat-conducting plate set up the effectual traditional solid state switch of having solved at the in-process that uses and cooling device's mounting means comparatively loaded down with trivial details, the problem of inconvenient cooling device's dismouting, only need take the heat transfer plate out from the spout is inside when installing and dismantling cooling device, just so made things convenient for the installation between cooling device and the switch, very big promotion the convenience of device installation, made things convenient for cooling device's installation and dismantlement simultaneously.

Drawings

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

FIG. 2 is a right side view of the heat sink of the present invention;

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

fig. 4 is a bottom view of the switch of the present invention.

In the figure, 1-protective shell, 2-heat radiation plate, 3-groove, 4-fixing plate, 5-limit hole, 6-through hole, 7-plug wire port, 8-heat conduction plate, 9-sliding groove plate, 10-sliding groove, 11-first mounting plate, 12-ventilation pipe, 13-second connecting plate, 14-heat radiation hole, 15-heat radiation fan, 16-switch and 17-heat transmission plate.

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. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a two-way solid-state switch based on IGBT, includes

protective housing

1, 1 bottom fixed mounting of protective housing has

heating panel

2, 2 evenly distributed of heating panel, 2 one end fixed mounting of heating panel have

first mounting panel

11, 11 one end fixed mounting of first mounting panel has

ventilation pipe

12, 12 one end of ventilation pipe runs through

first mounting panel

11, 12 one end of ventilation pipe runs through

second mounting panel

13, 13 outer walls of second mounting panel are equipped with louvre 14, louvre 14 runs through second mounting panel 14 and extends to the opposite side of second mounting panel 14, and the setting of ventilation pipe 12 can send into heating panel 2 department with the wind that radiator fan 15 produced for the air flow of heating panel 2 promotes the radiating efficiency.

The inside fixed mounting of louvre 14 has radiator fan 15, ventilation pipe 12 is inside to be hollow structure, 1 internally mounted of protective housing has switch 16, switch 16 bottom welding has heat transfer plate 17, heat transfer plate 17 movable mounting is inside spout 10, and the setting of protective housing 1 can effectual protection switch 16 receive external destruction, and the heat that produces when heat transfer plate 17's setting can be with switch 16 operation simultaneously transmits heat-conducting plate 8 on, then dispels the heat through heating panel 2.

The utility model discloses a switch 16, including protective housing 1, through-

hole

6, 1 outer wall of protective housing and extension to protective housing 1, plug wire mouth 7 has been seted up to protective housing 1 outer wall symmetry, plug wire mouth 7 one end runs through protective housing 1 outer wall and extends to protective housing 1 inside, and when setting up of through-hole 6 made things convenient for the installation of switch 16, with switch 16's fixed, plug wire mouth 7 set up the connection that makes things convenient for switch 16 and other circuits simultaneously.

2 outer walls of heating panel are equipped with recess 3, recess 3 undercut, 3 inside fixed mounting of recess have fixed

plate

4, 4 tops of fixed plate are equipped with spacing hole 5, spacing hole 5 runs through fixed plate 4 and extends to the opposite side of fixed plate 4, and the setting up of spacing hole 5 has made things convenient for the installation of heating panel 2.

2 top fixed mounting of heating panel has heat-conducting plate 8, sliding tray board 9 is installed to 8 top both ends symmetries of heat-conducting plate, be equipped with spout 10 between sliding tray board 9 and the heat-conducting plate 8, the setting of spout 10 has made things convenient for the installation of heat transfer plate 17, and sliding tray board 9's setting has reduced the wearing and tearing of heat transfer plate 17 simultaneously, very big promotion the life of heat transfer plate 17.

The working principle is as follows: during the use, take off protective housing 1, the spout 10 that sets up the heat transfer plate 17 alignment sliding tray board 9 top of switch 16 bottom, then it is inside to promote heat transfer plate 17 entering spout 10, then cover protective housing 1, then on inserting switch 16 through plug-in wire mouth 7 with the circuit, then fix the circuit on switch 16 through-hole 6, the high temperature of switch 16 conveying passes through heat transfer plate 17 and gives heat-conducting plate 8 with high temperature, heat-conducting plate 8 gives heating panel 2 with high temperature transmission, heating panel 2 dispels the heat with the temperature, start radiator fan 15 when the heating panel dispels the heat, the wind that radiator fan 15 produced passes through ventilation pipe 12 and reaches heating panel 2, accelerate the air flow of heating panel 2, promote radiator plate 2's radiating efficiency.

The utility model relates to a solid-state switch, which comprises a protective shell 1, a heat radiation plate 2, a groove 3, a fixing plate 4, a limiting hole 5, a through hole 6, a wire inserting port 7, a heat conduction plate 8, a chute plate 9, a chute plate 10, a chute 11, a first mounting plate 12, a ventilation pipe 13, a second connecting plate 13, a heat radiation hole 14, a heat radiation fan 15, a switch 16 and a heat transfer plate 17, wherein the components are all universal standard components or components known by technicians in the field, the structure and the principle of the solid-state switch can be known by technical manuals or conventional experimental methods, and the solid-state switch solves the problems that the existing solid-state switch generates heat in the using process, and the internal components of the solid-state switch are burnt to damage the solid-state switch due to long-time high temperature, meanwhile, the existing solid-state switch and a cooling device are mounted in a complicated mode in the using process, and the cooling device is not convenient to disassemble and assemble.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. A kind of two-way solid-state switch based on IGBT, characterized by that: including protective housing (1), protective housing (1) bottom fixed mounting has heating panel (2), heating panel (2) evenly distributed, heating panel (2) one end fixed mounting has first mounting panel (11), first mounting panel (11) one end fixed mounting has ventilation pipe (12), ventilation pipe (12) one end runs through first mounting panel (11), second mounting panel (13) is run through to ventilation pipe (12) one end, second mounting panel (13) outer wall is equipped with louvre (14), louvre (14) run through second mounting panel (13) and extend to the opposite side of second mounting panel (13).

2. An IGBT-based bidirectional solid state switch according to claim 1 wherein: the heat dissipation device is characterized in that a heat dissipation fan (15) is fixedly mounted inside the heat dissipation hole (14), the ventilation pipe (12) is of a hollow structure, a switch (16) is mounted inside the protective shell (1), a heat transfer plate (17) is welded at the bottom of the switch (16), and the heat transfer plate (17) is movably mounted inside the sliding groove (10).

3. An IGBT-based bidirectional solid state switch according to claim 1 wherein: protective housing (1) top is equipped with through-hole (6), through-hole (6) evenly distributed, through-hole (6) run through protective housing (1) outer wall and extend to protective housing (1) inside, plug wire mouth (7) have been seted up to protective housing (1) outer wall symmetry, plug wire mouth (7) one end runs through protective housing (1) outer wall and extends to protective housing (1) inside.

4. An IGBT-based bidirectional solid state switch according to claim 1 wherein: heating panel (2) outer wall is equipped with recess (3), recess (3) undercut, recess (3) inside fixed mounting has fixed plate (4), fixed plate (4) top is equipped with spacing hole (5), spacing hole (5) run through fixed plate (4) and extend to the opposite side of fixed plate (4).

5. An IGBT-based bidirectional solid state switch according to claim 1 wherein: heating panel (2) top fixed mounting has heat-conducting plate (8), sliding tray board (9) are installed to heat-conducting plate (8) top both ends symmetry, be equipped with spout (10) between sliding tray board (9) and heat-conducting plate (8).