CN216353970U

CN216353970U - High-speed solid-state relay based on silicon carbide MOS

Info

Publication number: CN216353970U
Application number: CN202122548840.XU
Authority: CN
Inventors: 李佳
Original assignee: Grosenko Shanghai Semiconductor Co ltd
Current assignee: Grosenko Shanghai Semiconductor Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-19
Anticipated expiration: 2031-10-22

Abstract

The high-speed solid-state relay based on the silicon carbide MOS comprises a solid-state relay shell, wherein a supporting plate a is installed on the inner side of the bottom of the solid-state relay shell, a limiting plate is installed on the inner side of the solid-state relay shell and located above the supporting plate a, a cover plate is installed on the top of the solid-state relay shell in an embedded mode, a connecting port is formed in the top of the cover plate, a fixing bolt penetrates through the inner bottom wall of the connecting port, and a protective cover is installed on the outer side of the connecting port in an embedded mode. According to the solid-state relay casing, the solid-state relay main body is embedded in the inner side of the limiting plate, the maintenance plate is detached, so that a worker can take the solid-state relay main body out of the inner side of the solid-state relay casing conveniently, the cover plate is embedded in the outer side of the embedding plate, the worker can take the cover plate out of the top of the solid-state relay casing conveniently, the worker can overhaul the inner side of the solid-state relay casing conveniently, and the working efficiency of the worker is improved.

Description

High-speed solid-state relay based on silicon carbide MOS

Technical Field

The utility model relates to the technical field of solid-state relays, in particular to a high-speed solid-state relay based on silicon carbide MOS.

Background

The solid-state relay is a non-contact switch consisting of a microelectronic circuit, a discrete electronic device and a power electronic power device; the four-terminal device is characterized in that two wiring terminals are input terminals, the other two wiring terminals are output terminals, and an isolating device is adopted in the middle to realize the electrical isolation of input and output. The input of solid state relay reaches direct drive heavy current load with small control signal, but current solid state relay when using, and the staff of being not convenient for mostly dismantles the maintenance to solid state relay, and the staff is comparatively troublesome when overhauing solid state relay, reduces staff's work efficiency.

The solid-state relay in the prior art has the following defects:

1. patent document CN207149482U discloses a solid-state relay, "a circuit board and a binding post are arranged in a housing, a wiring port is arranged on the housing, the binding post is located in the wiring port, a wiring groove is arranged in the binding post, an aluminum layer is laid in the wiring groove, the aluminum layer extends out of the wiring groove and covers the binding post, a metal connecting sheet is arranged on the circuit board, the metal connecting sheet extends to the position right above the wiring groove and is abutted against the aluminum layer, a through hole consistent with the axis of the wiring groove is arranged on the metal connecting sheet, the aperture of the through hole is larger than that of the wiring groove, the left side and the right side of the binding post are fixedly connected to the inner wall of the wiring port, a clearance groove is formed by the front side and the inner wall of the wiring port in a clearance arrangement, sliding grooves are arranged on the inner walls of the two sides of the clearance groove, a sliding slide plate is arranged in the sliding groove, a cover plate covers the position right above the wiring groove to seal the wiring groove, the connecting part of the sliding plate and the cover plate is provided with a mark folding groove, and the sliding plate and the cover plate are both made of plastic materials. After improvement, the dustproof performance is improved, but when the solid-state relay is used, workers are inconvenient to disassemble and maintain the solid-state relay, the workers are troublesome to maintain the solid-state relay, and the working efficiency of the workers is reduced;

2. solid state relay does not possess protective structure mostly among the prior art when using, can not protect solid state relay's connector, and when solid state relay's connector received external influence, can lead to the operation that solid state relay can not be normal.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high speed solid state relay based on silicon carbide MOS to solve the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme that the high-speed solid-state relay based on the silicon carbide MOS comprises a solid-state relay shell, wherein a support plate a is arranged on the inner side of the bottom of the solid-state relay shell, a limiting plate is arranged on the inner side of the solid-state relay shell, and the limiting plate is positioned above the support plate a;

the top of the solid-state relay shell is embedded with a cover plate, and the top of the cover plate is provided with a connecting port;

the inner bottom wall of the connecting port is provided with a fixing bolt in a penetrating mode, and the outer side of the connecting port is provided with a protective cover in an embedded mode.

Preferably, the solid-state relay main body is installed to the inboard of solid-state relay shell, and the solid-state relay main body gomphosis is in the inboard of limiting plate, and the gomphosis board is installed at the top of solid-state relay shell, and the gomphosis board gomphosis is in the inboard of apron.

Preferably, the bottom wall of the supporting plate a is fixed with an access panel through a bolt, and the outer wall of the access panel is provided with a plurality of heat dissipation holes.

Preferably, two ends of the cover plate are provided with limiting grooves.

Preferably, a support plate b is installed on the inner side wall of the connecting port, and the support plate b is located below the protective cover.

Preferably, an anti-static cover is installed inside the connection port, and the fixing bolt penetrates through the anti-static cover.

Preferably, the outer side of the protective cover is provided with a plurality of through holes.

Compared with the prior art, the utility model has the following beneficial effects:

1. the solid-state relay main body can be limited through the limiting plate, the stability of the solid-state relay main body is guaranteed, the solid-state relay main body is embedded in the inner side of the limiting plate, the overhaul plate is detached, the solid-state relay main body can be conveniently taken out of the inner side of the solid-state relay shell by a worker, the cover plate is embedded in the outer side of the embedding plate by the cover plate, the cover plate can be conveniently taken out of the top of the solid-state relay shell by the worker, the worker can conveniently overhaul the inner side of the solid-state relay shell, and the working efficiency of the worker is improved.

2. According to the utility model, the anti-static cover can prevent static electricity from influencing the joint of the connecting wire and the connecting port, the protective cover is arranged above the supporting plate b, the protective cover can be supported by the supporting plate b, the stability of the protective cover is ensured, the connecting port can be covered by the protective cover, after the connecting wire is arranged on the inner side of the connecting port, the joint of the connecting wire and the connecting port can be protected by the protective cover, and the joint is prevented from being influenced by the outside, so that the solid-state relay cannot be normally used.

Drawings

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

FIG. 2 is a schematic view of the cover plate structure of the present invention;

FIG. 3 is a schematic structural diagram of a solid state relay housing of the present invention;

fig. 4 is a schematic diagram of the bottom structure of the solid state relay housing of the present invention.

In the figure: 1. a solid state relay housing; 101. a tabling plate; 102. a limiting plate; 103. a solid state relay body; 2. a support plate a; 201. an access panel; 202. heat dissipation holes; 3. a cover plate; 301. a limiting groove; 4. a connecting port; 401. a support plate b; 5. fixing the bolt; 501. an anti-static cover; 6. a protective cover; 601. and a through hole.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, 3 and 4, a high speed solid state relay based on silicon carbide MOS;

the first embodiment is as follows: the solid-state relay comprises a solid-state relay shell 1, a solid-state relay main body 103 is arranged on the inner side of the solid-state relay shell 1, the solid-state relay main body 103 is embedded on the inner side of a limit plate 102, an embedding plate 101 is arranged on the top of the solid-state relay shell 1, the solid-state relay main body 103 can be limited through the limit plate 102, the stability of the solid-state relay main body 103 is guaranteed, the solid-state relay main body 103 is embedded on the inner side of the limit plate 102 through the solid-state relay main body 103, a worker can take the solid-state relay main body 103 out of the inner side of the limit plate 102 conveniently, the embedding plate 101 is embedded on the inner side of a cover plate 3, the cover plate 3 is embedded on the outer side of the embedding plate 101 through the cover plate 3, the worker can take the cover plate 3 off from the top of the solid-state relay shell 1 conveniently, the worker can overhaul the inner side of the solid-state relay shell 1 conveniently, and the working efficiency of the worker is improved, spacing groove 301 has been seted up at the both ends of apron 3, backup pad a2 is installed to the bottom inboard of solid state relay shell 1, limiting plate 102 is installed to the inboard of solid state relay shell 1, and limiting plate 102 is located backup pad a 2's top, backup pad a 2's diapire has access panel 201 through the bolt fastening, and a plurality of louvres 202 have been seted up to access panel 201's outer wall, can support access panel 201 through backup pad a2, guarantee the stability of access panel 201, through detaching access panel 201 down, can be convenient for the staff takes out solid state relay main part 103 from the inboard of solid state relay shell 1, increase the radiating effect of solid state relay shell 1 through louvre 202.

Referring to fig. 1, 2 and 4, a high speed solid state relay based on silicon carbide MOS;

example two: the top of the cover plate 3 is provided with a connecting port 4, a supporting plate b401 is installed on the inner side wall of the connecting port 4, the supporting plate b401 is located below a protective cover 6, a fixing bolt 5 is installed on the inner bottom wall of the connecting port 4 in a penetrating manner, the fixing bolt 5 can be rotated to drive the anti-static cover 501 to move, when the anti-static cover 501 moves, a connecting line can be fixed, the stability of the connecting line is ensured, the influence of static electricity on the connecting position of the connecting line and the connecting port 4 can be prevented through the anti-static cover 501, the anti-static cover 501 is installed on the inner side of the connecting port 4, the fixing bolt 5 penetrates through the anti-static cover 501, the protective cover 6 is installed on the outer side of the connecting port 4 in an embedded manner, a plurality of through holes 601 are formed in the outer side of the protective cover 6, the protective cover 6 is installed above the supporting plate b401 through the protective cover 6, the supporting plate b401 can support the protective cover 6, and the stability of the protective cover 6 is ensured, can cover connector 4 through protection casing 6, after the inboard installation connecting wire of connector 4, can protect the junction of connecting wire and connector 4 through protection casing 6, prevent that the junction from receiving external influence to lead to the unable normal use of solid state relay.

The working principle is that the solid-state relay main body 103 can be limited through the limiting plate 102, the stability of the solid-state relay main body 103 is ensured, the solid-state relay main body 103 is embedded in the inner side of the limiting plate 102, the solid-state relay main body 103 can be conveniently taken out from the inner side of the limiting plate 102 by a worker, the maintenance plate 201 can be supported through the supporting plate a2, the stability of the maintenance plate 201 is ensured, the maintenance plate 201 is detached, the solid-state relay main body 103 can be conveniently taken out from the inner side of the solid-state relay housing 1 by the worker, the heat dissipation effect of the solid-state relay housing 1 is increased through the heat dissipation holes 202, the cover plate 3 is embedded in the outer side of the embedding plate 101, the cover plate 3 can be conveniently taken down from the top of the solid-state relay housing 1 by the worker, the anti-static cover 501 can be driven to move by rotating the fixing bolt 5, the connecting line can be fixed when the anti-static cover 501 moves, can prevent through antistatic cover 501 that static from causing the influence to the junction of connecting wire and connector 4, install in the top of backup pad b401 through protection casing 6, can support protection casing 6 through backup pad b401, can cover connector 4 through protection casing 6, after the inboard erection joint line of connector 4, can protect the junction of connecting wire and connector 4 through protection casing 6, prevent that the junction from receiving external influence.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.

Claims

1. High-speed solid state relay based on carborundum MOS, including solid state relay shell (1), its characterized in that: a support plate a (2) is installed on the inner side of the bottom of the solid-state relay shell (1), a limiting plate (102) is installed on the inner side of the solid-state relay shell (1), and the limiting plate (102) is located above the support plate a (2);

a cover plate (3) is embedded in the top of the solid-state relay shell (1), and a connecting port (4) is formed in the top of the cover plate (3);

the inner bottom wall of the connecting port (4) is provided with a fixing bolt (5) in a penetrating way, and the outer side of the connecting port (4) is provided with a protective cover (6) in a jogged way.

2. The silicon carbide MOS-based high speed solid state relay of claim 1, wherein: the solid-state relay comprises a solid-state relay shell (1), wherein a solid-state relay main body (103) is installed on the inner side of the solid-state relay shell (1), the solid-state relay main body (103) is embedded on the inner side of a limiting plate (102), an embedded plate (101) is installed on the top of the solid-state relay shell (1), and the embedded plate (101) is embedded on the inner side of a cover plate (3).

3. The silicon carbide MOS-based high speed solid state relay of claim 1, wherein: the bottom wall of the supporting plate a (2) is fixedly provided with an access panel (201) through bolts, and the outer wall of the access panel (201) is provided with a plurality of heat dissipation holes (202).

4. The silicon carbide MOS-based high speed solid state relay of claim 1, wherein: and two ends of the cover plate (3) are provided with limit grooves (301).

5. The silicon carbide MOS-based high speed solid state relay of claim 1, wherein: support plate b (401) are installed to the inside wall of the connecting port (4), and support plate b (401) are located below the protective cover (6).

6. The silicon carbide MOS-based high speed solid state relay of claim 1, wherein: an anti-static cover (501) is installed on the inner side of the connecting port (4), and a fixing bolt (5) penetrates through the anti-static cover (501).

7. The silicon carbide MOS-based high speed solid state relay of claim 1, wherein: a plurality of through holes (601) are formed in the outer side of the protective cover (6).