CN217135961U

CN217135961U - Electromagnetic compatibility shielding box convenient to installation

Info

Publication number: CN217135961U
Application number: CN202221033240.8U
Authority: CN
Inventors: 王文斌; 钟源
Original assignee: Wuhan Huahang Testing Technology Co ltd
Current assignee: Wuhan Huahang Testing Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-05
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses an electromagnetic compatibility shielded cell convenient to installation, including outer container, mounting plate and equipment fixed plate, the inside fixed mounting of outer container has interior shielded cell, and U type groove A has all been seted up to the both sides of interior shielded cell, and U type groove B has all been seted up to the both sides of outer container, and inserting groove B has all been seted up to the inside of the both sides lateral wall that U type groove B was seted up to the outer container. Through installing the outer container at the top of mounting plate, install the outer container when the top of mounting plate, can peg graft the inboard at inserting groove B with grafting strip B, and peg graft the inboard at inserting groove A with grafting strip A, thereby install the top at mounting plate with the outer container is firm, prevent that the outer container from droing simple to operate from mounting plate's top, only adopt the mode of joint to assemble, can be with calorie post joint in the inboard of fixed orifices B and fixed orifices A when installing the outer container at mounting plate's top in addition, and will block the inside of strip joint at card strip groove, and convenient to assemble, fixed effectual.

Description

Electromagnetic compatibility shielding box convenient to installation

Technical Field

The utility model belongs to the technical field of the shielded cell, concretely relates to electromagnetic compatibility shielded cell convenient to installation.

Background

Electromagnetic compatibility (EMC) refers to the ability of a device or system to perform satisfactorily in its electromagnetic environment and not to generate intolerable electromagnetic interference to any device in its environment. Therefore, EMC includes two requirements: on one hand, the electromagnetic interference generated to the environment by the equipment in the normal operation process cannot exceed a certain limit value; another aspect refers to the fact that the appliance has a certain degree of immunity to electromagnetic interference present in the environment, i.e. electromagnetic susceptibility. Electromagnetic compatibility various electrical or electronic equipment meet the normal working capacity of design requirements with a specified safety factor in a common space with a complex electromagnetic environment, also called electromagnetic compatibility.

Present shielded cell all only has the one deck metal sheet, and the shielding effect is not good, and in addition, some shielded cell's inside is inconvenient to be installed, assembles through bolt and nut many times, though the installation effect is good, but the installation is inconvenient, and installation procedure is loaded down with trivial details, can make a lot of testers not sealed the shielded cell completely.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electromagnetic compatibility shielded cell convenient to installation, solved current shielded cell and all had the one deck metal sheet, the shielding effect is not good, moreover, some shielded cell's inside is inconvenient to be installed, assembles through bolt and nut more than, though the installation effect is good, but the installation is inconvenient, and installation steps are loaded down with trivial details, can make a lot of testers not with the problem that the shielded cell is totally enclosed.

In order to achieve the above object, the utility model provides a following technical scheme: an electromagnetic compatibility shielding box convenient to install comprises an outer box, an installation bottom plate and an assembling and fixing plate, wherein an inner shielding box is fixedly installed inside the outer box, inverted U-shaped grooves A are formed in two sides of the inner shielding box, inverted U-shaped grooves B are formed in two sides of the outer box, inserting grooves B are formed in two side walls of the outer box, provided with the inverted U-shaped grooves B, fixing holes A are formed in the other two side walls of the outer box, inserting grooves A are formed in two side walls of the outer box, provided with the fixing holes A, inserting strips B are regularly installed on two sides of the top of the installation bottom plate, U-shaped grooves are formed in the top of the inserting strips B, inserting strips A are fixedly installed on two sides of the top of the installation bottom plate, provided with the fixing holes B, clamping strip grooves are formed in two sides of the installation bottom plate, the top fixed mounting of mounting plate has the shielding ware, one side fixed mounting of equipment fixed plate has the card post, the bottom fixed mounting that the equipment fixed plate was installed card post one side has the card strip.

Preferably, the specification and the size of the horizontal section of the outer box are the same as those of the horizontal section of the mounting base plate, and the outer box is mounted at the top of the mounting base plate.

Through adopting above-mentioned technical scheme, the advantage lies in that the outer container can install at mounting plate's top to the realization is assembled and is installed whole the shielded cell, and it is convenient to combine, and the installation rate is fast.

Preferably, the specification size of the insertion groove B is matched with the specification size of the insertion strip B, the positions of the insertion grooves B correspond to the positions of the insertion strip B respectively, the specification size of the insertion groove A is matched with the specification size of the insertion strip A, and the positions of the insertion grooves A correspond to the positions of the insertion strip A.

Through adopting above-mentioned technical scheme, the advantage lies in when installing the outer container at mounting plate's top, can peg graft the inboard at inserting groove B with grafting strip B to peg graft strip A in inserting groove A's inboard, thereby with the firm top of installing at mounting plate of outer container, prevent that the outer container from droing simple to operate from mounting plate's top, only adopt the mode of joint to assemble.

Preferably, the specification and size of the inverted U-shaped groove A are the same as those of the inverted U-shaped groove B, the position of the inverted U-shaped groove A is corresponding to that of the inverted U-shaped groove B, the opening sizes of the inverted U-shaped groove A and the inverted U-shaped groove B are the same as those of the U-shaped groove, and the positions of the inverted U-shaped groove A and the inverted U-shaped groove B are corresponding to those of the U-shaped groove.

By adopting the technical scheme, the novel U-shaped groove has the advantages that the power line and the wire can be externally connected through the matching of the inverted U-shaped groove B, the inverted U-shaped groove A and the U-shaped groove, and the connection is convenient.

Preferably, the specification and size of the clamping column are matched with the specification and size of the fixing hole B, the position of the clamping column corresponds to the position of the fixing hole B, the specification and size of the clamping strip is matched with the specification and size of the clamping strip groove, and the position of the clamping strip corresponds to the position of the clamping strip groove.

Through adopting above-mentioned technical scheme, the advantage lies in can will block the inboard of post joint at fixed orifices B and fixed orifices A when installing the outer container at the top of mounting plate to block the inside of strip joint in card strip groove, thereby fix the top at mounting plate with the outer container, the equipment is convenient, and is fixed effectual.

Preferably, the top of the installation bottom plate is fixedly provided with four fixed installation seats, and the four fixed installation seats are symmetrically installed at the top of the installation bottom plate in a rectangular shape.

Through adopting above-mentioned technical scheme, the advantage lies in that four fixed mounting seats of accessible fix equipment installation at the top of mounting plate, fix simple to operate to equipment.

Preferably, the conductive foam is fixedly installed between the outer box and the inner shielding box, and the waterproof coating is fixedly installed on the outer side of the outer box.

Through adopting above-mentioned technical scheme, the advantage lies in can promoting the shielding effect of outer container and internal shield case through the electrically conductive bubble cotton that sets up, and waterproof coating can promote the waterproof performance of outer container in addition, prevents that the outer container from receiving the moisture corrosion for a long time, prolongs the holistic life of outer container.

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

through installing the outer container at the top of mounting plate, install the outer container when the top of mounting plate, can peg graft the inboard at inserting groove B with grafting strip B, and peg graft the inboard at inserting groove A with grafting strip A, thereby install the top at mounting plate with the outer container is firm, prevent that the outer container from droing simple to operate from mounting plate's top, only adopt the mode of joint to assemble, can be with calorie post joint in the inboard of fixed orifices B and fixed orifices A when installing the outer container at mounting plate's top, and will block the inside of strip joint at calorie strip groove, thereby fix the top at mounting plate with the outer container, convenient to assemble, it is fixed effectual.

Drawings

Fig. 1 is a schematic view of the three-dimensional appearance structure of the present invention;

fig. 2 is a schematic view of the partial bottom perspective structure of the present invention;

fig. 3 is a schematic view of a partial top perspective structure of the present invention;

fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. an outer box; 2. mounting a bottom plate; 3. assembling a fixing plate; 4. a fixing hole A; 5. an inner shielding case; 6. an inverted U-shaped groove A; 7. a plug groove A; 8. a plug groove B; 9. an inverted U-shaped groove B; 10. clamping the strip; 11. clamping the column; 12. a clamping strip groove; 13. a shield; 14. inserting strips A; 15. inserting a strip B; 16. a U-shaped groove; 17. a fixing hole B; 18. and fixing the mounting seat.

Detailed Description

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

As shown in fig. 1-4, an electromagnetic compatibility shielding box convenient for installation comprises an outer box 1, a mounting base plate 2 and an assembly fixing plate 3, wherein an inner shielding box 5 is fixedly installed inside the outer box 1, inverted U-shaped grooves a6 are respectively formed on both sides of the inner shielding box 5, inverted U-shaped grooves B9 are respectively formed on both sides of the outer box 1, insertion grooves B8 are respectively formed inside both side walls of the outer box 1 with the inverted U-shaped grooves B9, fixing holes a4 are respectively formed inside both side walls of the outer box 1 with the fixing holes a4, insertion grooves a7 are respectively formed inside both side walls of the top of the mounting base plate 2, insertion strips B15 are respectively installed on both sides of the top of the mounting base plate B15, insertion strips a14 are respectively fixedly installed on both sides of the top of the mounting base plate 2 without the insertion strips B15, fixing holes B17 are respectively formed inside the insertion strips a14, and clamping strip grooves 12 are respectively formed on both sides of the mounting base plate 2, the top fixed mounting of mounting plate 2 has shielding ware 13, and one side fixed mounting of equipment fixed plate 3 has card post 11, and the bottom fixed mounting that equipment fixed plate 3 installed card post 11 one side has card strip 10.

The working principle of the technical scheme is as follows:

at first install required equipment at the top of mounting plate 2, then install outer container 1 at the top of mounting plate 2, install outer container 1 when mounting plate 2's top, can peg graft strip B15 in inserting groove B8's inboard, and peg graft strip A14 in inserting groove A7's inboard, thereby install the top at mounting plate 2 with outer container 1 is firm, prevent that outer container 1 from coming off simple to operate from mounting plate 2's top, only adopt the mode of joint to assemble, can be with the inboard of card post 11 joint at fixed orifices B17 and fixed orifices A4 when installing outer container 1 at mounting plate 2's top, and with the inside of card strip 10 joint at card strip groove 12, thereby fix outer container 1 at mounting plate 2's top, the assembly is convenient, fixed effectual.

In another embodiment, as shown in fig. 1-4, the specification of the horizontal section of the outer box 1 is the same as the specification of the horizontal section of the mounting base plate 2, the outer box 1 is mounted on the top of the mounting base plate 2, the specification of the insertion groove B8 is matched with the specification of the insertion strip B15, the positions of the insertion grooves B8 are respectively corresponding to the positions of the insertion strips B15, the specification of the insertion groove a7 is matched with the specification of the insertion strip a14, the positions of the insertion grooves a7 and the positions of the insertion strips a14, the specification of the clamping column 11 is matched with the specification of the fixing hole B17, the positions of the clamping column 11 and the fixing hole B17 are corresponding, the specification of the clamping strip 10 is matched with the specification of the clamping strip groove 12, and the positions of the clamping strip 10 and the clamping strip groove 12 are corresponding.

Outer container 1 can install the top at mounting plate 2, thereby realize wholly assembling and installing the shielded cell, the combination is convenient, the installation rate is fast, install outer container 1 when mounting plate 2's top, can peg graft grafting strip B15 in inserting groove B8's inboard, and peg graft grafting strip A14 in inserting groove A7's inboard, thereby install the top at mounting plate 2 with outer container 1 is firm, prevent that outer container 1 from coming off simple to operate from mounting plate 2's top, only assemble the mode that adopts the joint, can be with card post 11 joint in fixed orifices B17 and fixed orifices A4's inboard when installing outer container 1 at mounting plate 2's top, and will block the inside of strip 10 joint at card strip groove 12, thereby fix outer container 1 at mounting plate 2's top, the equipment is convenient, fixed effectual.

In another embodiment, as shown in fig. 1-4, the dimensions of inverted U-shaped groove a6 are the same as inverted U-shaped groove B9, inverted U-shaped groove a6 is located at a position corresponding to inverted U-shaped groove B9, inverted U-shaped groove a6 and inverted U-shaped groove B9 have openings the same as U-shaped groove 16, and inverted U-shaped groove a6 and inverted U-shaped groove B9 are located at a position corresponding to U-shaped groove 16.

The external power line and the wire can be connected conveniently through the matching of the inverted U-shaped groove B9, the inverted U-shaped groove A6 and the U-shaped groove 16.

In another embodiment, as shown in fig. 1 to 4, the top of the mounting base plate 2 is fixedly mounted with four fixed mounting seats 18, and the four fixed mounting seats 18 are mounted on the top of the mounting base plate 2 in a rectangular symmetry manner.

Required equipment can be installed on the top of the installation bottom plate 2 through the four fixed installation seats 18, and the equipment is fixed and convenient to install.

In another embodiment, as shown in fig. 1-4, a conductive foam is fixedly installed between the outer box 1 and the inner shielding box 5, and a waterproof coating is fixedly installed on the outer side of the outer box 1.

The electrically conductive bubble through setting up is cotton can promote the shielding effect of outer container 1 and internal shield case 5, and waterproof coating can promote the waterproof performance of outer container 1 in addition, prevents that outer container 1 from receiving the moisture corrosion for a long time, prolongs the holistic life of outer container 1.

The utility model discloses a theory of operation and use flow: firstly, required equipment is installed on the top of the installation bottom plate 2, then the outer box 1 is installed on the top of the installation bottom plate 2, when the outer box 1 is installed on the top of the installation bottom plate 2, the splicing strip B15 can be spliced on the inner side of the splicing groove B8, and the splicing strip A14 is spliced on the inner side of the splicing groove A7, so that the outer box 1 is stably installed on the top of the installation bottom plate 2, the outer box 1 is prevented from falling off from the top of the installation bottom plate 2, the installation is convenient only by adopting a clamping mode, when the outer box 1 is installed on the top of the installation bottom plate 2, the clamping column 11 can be clamped on the inner sides of the fixing hole B17 and the fixing hole A4, the clamping strip 10 is clamped inside the clamping strip groove 12, so that the outer box 1 is fixed on the top of the installation bottom plate 2, the assembly is convenient, the fixing effect is good, in addition, the shielding effect of the outer box 1 and the inner shielding box 5 can be improved through the arranged conductive foam, in addition, the waterproof coating can improve the waterproof performance of the outer box 1, prevent the outer box 1 from being corroded by moisture for a long time, and prolong the service life of the whole outer box 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electromagnetic compatibility shielded cell convenient to installation, includes outer container (1), mounting plate (2) and equipment fixed plate (3), its characterized in that: an inner shielding box (5) is fixedly installed inside the outer box (1), inverted U-shaped grooves A (6) are formed in the two sides of the inner shielding box (5), inverted U-shaped grooves B (9) are formed in the two sides of the outer box (1), inserting grooves B (8) are formed in the side walls, provided with the inverted U-shaped grooves B (9), of the two sides of the outer box (1), fixing holes A (4) are formed in the side walls of the other two sides of the outer box (1), inserting grooves A (7) are formed in the side walls, provided with the fixing holes A (4), of the two sides of the top of the mounting base plate (2) are provided with inserting strips B (15), U-shaped grooves (16) are formed in the top of the inserting strips B (15), inserting strips A (14) are fixedly installed on the two sides of the top of the mounting base plate (2) where the inserting strips B (15) are not installed, fixing hole B (17) have all been seted up to the inside of grafting strip A (14), card strip groove (12) have all been seted up to the both sides of mounting plate (2), the top fixed mounting of mounting plate (2) has shielding ware (13), one side fixed mounting of equipment fixed plate (3) has card post (11), the bottom fixed mounting that card post (11) one side was installed in equipment fixed plate (3) has card strip (10).

2. An electromagnetic compatibility shielding box convenient to install according to claim 1, characterized in that: the specification and size of the horizontal section of the outer box (1) are the same as those of the horizontal section of the mounting base plate (2), and the outer box (1) is mounted at the top of the mounting base plate (2).

3. An electromagnetic compatibility shielding box convenient to install according to claim 1, characterized in that: the specification and size of the insertion groove B (8) are matched with the specification and size of the insertion strip B (15), the position of the insertion groove B (8) corresponds to the position of the insertion strip B (15), the specification and size of the insertion groove A (7) are matched with the specification and size of the insertion strip A (14), and the position of the insertion groove A (7) corresponds to the position of the insertion strip A (14).

4. An electromagnetic compatibility shielding box convenient to install according to claim 1, characterized in that: the specification and size of falling U type groove A (6) is the same with the specification and size of falling U type groove B (9), the position of falling U type groove A (6) is corresponding with the position of falling U type groove B (9), the opening size of falling U type groove A (6) and falling U type groove B (9) is the same with the opening size in U type groove (16), and the position of falling U type groove A (6) and falling U type groove B (9) is corresponding with the position in U type groove (16).

5. An electromagnetic compatibility shielding box convenient to install according to claim 1, characterized in that: the specification and size of card post (11) and the specification and size looks adaptation of fixed orifices B (17), and the position of card post (11) and the position of fixed orifices B (17) are corresponding, the specification and size looks adaptation of card strip (10) and the specification and size of card strip groove (12), and the position of card strip (10) and the position of card strip groove (12) are corresponding.

6. An electromagnetic compatibility shielding box convenient to install according to claim 1, characterized in that: the top fixed mounting of mounting plate (2) has fixed mounting seat (18), fixed mounting seat (18) have four, and four fixed mounting seats (18) are the top at mounting plate (2) of rectangle symmetry installation.

7. An electromagnetic compatibility shielding box convenient to install according to claim 1, characterized in that: the conductive foam is fixedly installed between the outer box (1) and the inner shielding box (5), and a waterproof coating is fixedly installed on the outer side of the outer box (1).