CN212649864U

CN212649864U - Nuclear power IO module shell structure

Info

Publication number: CN212649864U
Application number: CN202021440153.5U
Authority: CN
Inventors: 樊红斌; 赵长军
Original assignee: Beijing New Intelligent Tech Co ltd
Current assignee: Beijing New Intelligent Tech Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-02
Anticipated expiration: 2030-07-21

Abstract

The utility model provides a shell structure of a nuclear power IO module, which comprises an upper cover, a shell and a bottom plate, wherein the upper cover is arranged above the shell, and the shell is of a hollow structure; the upper cover is arranged above the shell; the bottom plate sets up in the below of casing, and the bottom plate includes: the sealing plate section is provided with a connecting hole for a PCB of the nuclear power IO module to pass through, and the sealing plate section is fixedly connected with the lower port of the shell; the connecting sections are symmetrically arranged on the periphery of the sealing plate section and are horizontally arranged; the changeover portion is provided with the changeover portion between linkage segment and the shrouding section, the one end and the shrouding section fixed connection of changeover portion, the other one end and the linkage segment fixed connection of changeover portion form the cavity that holds nuclear power IO module's connecting fastener between shrouding section, linkage segment, the changeover portion. The utility model provides an among the prior art the shock resistance of nuclear power IO module relatively poor, the problem of easy damage.

Description

Nuclear power IO module shell structure

Technical Field

The utility model relates to a control system field, concretely relates to nuclear power IO module shell structure.

Background

And the nuclear power IO module shell structure is used for providing a space for accommodating the PCB and providing structural support for the whole module. In-process at nuclear power IO module installation, shell structure's bottom plate and nuclear power IO module's base erection joint, need carry out fastening connection through the bolt between bottom plate and the casing, because the height of casing is higher, revolve from casing one side and twist, it is very inconvenient to operate, consequently, can only revolve from bottom plate one side and twist, lead to like this between bottom plate and the base unsettled setting, pass through bolted connection between the two, the bolt also becomes the strong point between shell structure's bottom plate and the base, cause the area of contact undersize between bottom plate and the base, the shock resistance of whole product is relatively poor, damage easily.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims to provide a nuclear power IO module shell structure to the shock resistance of nuclear power IO module is relatively poor among the solution prior art, problem damaged easily.

In order to achieve the purpose, the shell structure of the nuclear power IO module comprises an upper cover, a shell and a bottom plate, wherein the upper cover is arranged above the shell, and the shell is of a hollow structure; the upper cover is arranged above the shell; the bottom plate sets up in the below of casing, and the bottom plate includes: the sealing plate section is provided with a connecting hole for a PCB of the nuclear power IO module to pass through, and the sealing plate section is fixedly connected with the lower port of the shell; the connecting sections are symmetrically arranged on the periphery of the sealing plate section and are horizontally arranged; the changeover portion is provided with the changeover portion between linkage segment and the shrouding section, the one end and the shrouding section fixed connection of changeover portion, the other one end and the linkage segment fixed connection of changeover portion form the cavity that holds nuclear power IO module's connecting fastener between shrouding section, linkage segment, the changeover portion.

Furthermore, a through hole B is formed in the connecting section and is divided into a round hole and a guide hole, the round hole is communicated with the guide hole, and the aperture of the guide hole is smaller than that of the round hole.

Furthermore, the closing plate section is provided with a through hole C at the corresponding position of the lower port of the shell, the inner wall of the shell is provided with a guide groove at the corresponding position of the through hole C, and the guide groove is tapped at the lower port corresponding to the through hole C.

Furthermore, the upper cover is provided with a positioning column and a through hole A at the position of the upper end notch of the guide groove, the positioning column is inserted into the upper end notch of the guide groove corresponding to the positioning column, and a thread is tapped in the upper end notch of the guide groove corresponding to the through hole A.

Furthermore, the positioning column and the through hole A are arranged at the four corners of the upper cover, and the positioning column and the through hole A are arranged diagonally.

Furthermore, the side wall of the shell, which is provided with the guide grooves, is provided with grooves, the grooves are arranged on the outer side wall of the shell, and the grooves are positioned between the guide grooves.

Further, a contact layer is arranged on one surface, far away from the shell, of the bottom plate.

Adopt the utility model provides a nuclear power IO module shell structure has following technological effect:

the connecting section is horizontally arranged on the periphery of the sealing plate section, and a cavity for accommodating a connecting fastener of the nuclear power IO module is formed among the sealing plate section, the connecting section and the transition section. In the process of nuclear power module installation, the space can hold the connecting fastener between unable adjustment base and the bottom plate, can direct contact between linkage segment and the base, has increased area of contact between the two to improve the shock resistance of product, prolonged life.

Secondly, cover on and set up reference column and through-hole A, the inner wall of casing is provided with the guiding groove in reference column and through-hole A's corresponding position, and the reference column inserts rather than in the guiding groove that corresponds, plays the effect of location, and the bolt passes through-hole A to in the notch of the guiding groove that screw in and through-hole A correspond, in order to be fixed in the casing with the upper cover, play the effect of fastening.

Thirdly, reference column and through-hole A set up in the four corners position of upper cover, and reference column and through-hole A set up for the opposite angle, and the opposite angle setting can improve the effect of location, prevents that the upper cover from rotating at the in-process of fastening, and the through-hole A that same opposite angle set up has also improved the fastening effect of bolt, prevents that the upper cover from taking place the pivoted condition in later stage use.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic side view of FIG. 1;

FIG. 3 is a schematic front view of the base plate of FIG. 1;

FIG. 4 is a schematic top view of the base plate of FIG. 1;

FIG. 5 is a perspective view of the housing of FIG. 1;

FIG. 6 is a perspective view of the upper cover of FIG. 1;

10. an upper cover; 11. a positioning column; 12. a through hole A; 13. a status indicator light hole; 14. digital quantity and analog quantity indicating lamp holes; 20. a housing; 21. a guide groove; 22. a groove; 30. a base plate; 31. a board sealing section; 311. connecting holes; 32. a connecting section; 33. a transition section; 34. a cavity; 35. a through hole B; 36. a through hole C; 37. a through hole D; 38. and a contact layer.

Detailed Description

To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are described below clearly and completely with reference to the drawings in the examples of the present invention, and it is obvious that the described examples are only a part of examples of the present invention, but not all examples. Based on the middle examples of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish similar items and are not to be construed as requiring a particular order or sequence, and it is to be understood that such uses are interchangeable under appropriate circumstances.

The utility model provides a nuclear power IO module shell structure to the shock resistance of nuclear power IO module is relatively poor among the solution prior art, problem damaged easily.

As shown in fig. 1 to 6, the shell structure of the nuclear power IO module includes an upper cover 10, a shell 20, and a bottom plate 30, wherein the upper cover 10 is disposed above the shell 20, and the shell 20 is a hollow structure; the upper cover 10 is disposed above the housing 20; the bottom plate 30 is disposed below the case 20. In this embodiment, the upper cover 10, the housing 20, and the bottom plate 30 are made of metal components, so that an electromagnetic field shield can be formed for an internal circuit of the housing 20, the anti-interference capability of the product is improved, and the device is suitable for various industrial field environments.

The upper cover 10 adopts a streamline design, so that the appearance of the product is beautiful and not monotonous. The material is designed for die-casting aluminum, and meets the halogen-free flame-retardant requirement of special products. The shell 20 is made of aluminum profile, which has good effect on shielding external interference. In the manufacturing process, an advanced section bar extrusion technology is adopted, the processing is simple, the raw materials are rich, the strength is high, the good mechanical property is ensured, the PCB arranged in the shell has a strong protection effect, and the structure of the shell 20 plays a role in starting and stopping.

The bottom plate 30 comprises a sealing plate section 31, a connecting section 32 and a transition section 33, wherein the sealing plate section 31 is provided with a connecting hole 311 for a PCB of the nuclear power IO module to pass through, and the sealing plate section 31 is fixedly connected with the lower port of the shell 20; the connecting sections 32 are symmetrically arranged on the periphery of the sealing plate section 31, and the connecting sections 32 are horizontally arranged; be provided with changeover portion 33 between linkage segment 32 and shrouding section 31, the one end and the shrouding section 31 fixed connection of changeover portion 33, other one end and the linkage segment 32 fixed connection of changeover portion 33, form the cavity 34 that holds nuclear power IO module's connecting fastener between shrouding section 31, linkage segment 32, the changeover portion 33.

As shown in fig. 3 and 4, in the present embodiment, the number of the connecting sections 32 is two, and the connecting sections are symmetrically disposed on both sides of the blanking plate section 31, and the number of the corresponding transition sections 33 is also two. In the actual process, the bottom plate 30 may be bent at both sides by a metal plate. The metal plate technology is adopted, and powerful guarantee is provided for firmness and reliability of the PCB.

The horizontally arranged connecting section 32 is arranged on the periphery of the sealing plate section 31, and a cavity 34 for accommodating a connecting fastener of the nuclear power IO module is formed among the sealing plate section 31, the connecting section and the transition section 33. In the process of nuclear power module installation, the space can hold the connecting fastener between unable adjustment base and bottom plate 30, can direct contact between linkage segment 32 and the base, has increased area of contact between the two to improve the shock resistance of product, prolonged life.

As shown in fig. 3 and 4, the connecting section 32 is provided with a through hole B35, the through hole B35 is divided into a round hole and a guide hole, the round hole is communicated with the guide hole, and the diameter of the guide hole is smaller than that of the round hole. The quantity of through-hole B35 is four in this embodiment, is in the four corners position of linkage segment 32 respectively, and the in-process of shell structure and base butt joint, the PCB board in the shell structure need be connected with the connector on the base, and the in-process of installation sets up the position that the bullport can suitably adjust shell structure, makes things convenient for the PCB board to need be connected with the connector.

As shown in fig. 3 and 4, the closure segment 31 is provided with a through hole C36 at a position corresponding to the lower port of the housing 20, the inner wall of the housing 20 is provided with a guide groove 21 at a position corresponding to the through hole C36, and the guide groove 21 is tapped at a lower end notch corresponding to the through hole C36. In this embodiment, the number of the through holes C36 is four, and the through holes C36 are provided at four corners of the cover plate segment 31, and the number of the guide grooves 21 is also four. The inner wall of the housing 20 is provided with a guide groove 21 at a position corresponding to the through hole C36 to facilitate the connection between the bottom plate 30 and the housing 20.

As shown in fig. 3 and 4, a through hole D37 is formed in the cover plate segment 31, the through hole D37 is used for fixing a U-shaped plate of the housing structure, and in order to improve the grounding effect of the housing structure, a contact layer is disposed on a side of the bottom plate 30 away from the housing 20, in this embodiment, the contact layer 38 is disposed at the peripheral positions of the through hole B35 and the through hole C36, and the contact layer 38 is not sprayed with paint.

As shown in fig. 5 and 6, the upper cover 10 is provided with a positioning column 11 and a through hole a12 at the upper end notch position of the guide groove 21, the positioning column 11 is inserted into the upper end notch of the guide groove 21 corresponding thereto, and a thread is tapped in the upper end notch of the guide groove 21 corresponding to the through hole a 12. The positioning column 11 and the through hole a12 are disposed at four corners of the upper cover 10, and the positioning column 11 and the through hole a12 are disposed diagonally. In this embodiment, the upper cover 10 and the housing 20 are fastened and connected by screws, the specification of the screws is M4.0 x 10, and after the installation is completed, the through holes a12 are covered by the facial mask, so that the integrity of the appearance is ensured, the production efficiency is improved, and the firm connection is also ensured.

As shown in fig. 5, the housing 20 has a groove 22 formed on a side wall where the guide grooves 21 are formed, the groove 22 is formed on an outer side wall of the housing 20, and the groove 22 is located between the guide grooves 21. The grooves 22 can effectively reduce stress on the housing 20 and prolong the service life of the housing 20. The shell 20 is formed by extruding sectional materials, is simple to process, ensures good mechanical performance and has a strong protection effect on a PCB (printed circuit board) arranged inside. The shell 20 is made of aluminum profile, which has good effect on shielding external interference.

As shown in fig. 1 and 2, the upper cover 10 is provided with three status indicator lamp holes 13, and the number of the status indicator lamp holes 13 is three. The upper cover 10 is provided with digital quantity and analog quantity indicating lamp holes 14, and the digital quantity and analog quantity indicating lamp holes 14 are arranged in double rows. The upper cover adopts a streamline design, is made of flame-retardant ABS of UL94 brand, and meets the flame-retardant requirement of industrial control products.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.

Claims

1. The shell structure of the nuclear power IO module is characterized by comprising an upper cover (10), a shell (20) and a bottom plate (30), wherein the upper cover (10) is arranged above the shell (20), and the shell (20) is of a hollow structure; the upper cover (10) is arranged above the shell (20); the bottom plate (30) is disposed below the case (20), the bottom plate (30) including:

the sealing plate section (31) is provided with a connecting hole (311) for a PCB of the nuclear power IO module to pass through, and the sealing plate section (31) is fixedly connected with the lower port of the shell (20);

the connecting sections (32) are symmetrically arranged on the periphery of the sealing plate section (31), and the connecting sections (32) are horizontally arranged;

the transition section (33), the linkage segment (32) with be provided with between closure plate section (31) transition section (33), the one end of transition section (33) with closure plate section (31) fixed connection, the other end of transition section (33) with linkage segment (32) fixed connection, closure plate section (31) linkage segment (32) form cavity (34) that hold nuclear power IO module's connecting fastener between transition section (33).

2. The shell structure of the nuclear power IO module as recited in claim 1, wherein a through hole B (35) is formed in the connecting section (32), the through hole B (35) is divided into a round hole and a guide hole, the round hole is communicated with the guide hole, and the aperture of the guide hole is smaller than that of the round hole.

3. The shell structure of the nuclear IO module as recited in claim 1, wherein the bulkhead section (31) is provided with a through hole C (36) at a position corresponding to the lower port of the shell (20), the inner wall of the shell (20) is provided with a guide groove (21) at a position corresponding to the through hole C (36), and the guide groove (21) is tapped at the lower port corresponding to the through hole C (36).

4. The nuclear IO module housing structure according to claim 3, wherein the upper cover (10) is provided with a positioning column (11) and a through hole a (12) at an upper end notch position of the guide groove (21), the positioning column (11) is inserted into the upper end notch of the guide groove (21) corresponding to the positioning column, and a thread is tapped in the upper end notch of the guide groove (21) corresponding to the through hole a (12).

5. The nuclear IO module housing structure according to claim 4, wherein the positioning columns (11) and the through holes a (12) are arranged at four corners of the upper cover (10), and the positioning columns (11) and the through holes a (12) are arranged diagonally.

6. The nuclear IO module housing structure according to claim 3, wherein the housing (20) has a groove (22) formed in a side wall thereof where the guide grooves (21) are formed, the groove (22) is formed in an outer side wall of the housing (20), and the groove (22) is located between the guide grooves (21).

7. The nuclear IO module housing structure according to claim 1, characterized in that a side of the base plate (30) remote from the housing (20) is provided with a contact layer (38).