CN219514528U - Electromagnetic compatibility machine case - Google Patents

Abstract

The utility model relates to the technical field of cabinets and discloses an electromagnetic compatibility cabinet, which comprises a metal cabinet, wherein a metal net frame is fixed on the inner wall of the metal cabinet, a mounting plate is fixed inside the metal net frame, a filter is fixed on the inner wall of the metal cabinet at the rear side of the mounting plate, the input end of the filter is connected with a first socket, a first groove is formed in the outer side wall of the metal cabinet, the first socket is fixedly arranged inside the first groove, a net plate is arranged on the front side of the metal net frame, wire holders are fixedly inserted into the two inner walls of the metal net frame, and wire bars are fixedly arranged on the side walls of the two wire holders. The utility model can reduce the mutual interference between the cables through filtering, shielding and separating and distributing the cables, is convenient for quick wiring connection with superior equipment, and can further improve the electromagnetic compatibility effect through grounding.

Description

Electromagnetic compatibility machine case

Technical Field

The utility model relates to the technical field of chassis, in particular to an electromagnetic compatibility chassis.

Background

The number and variety of modern electronic, electric and information equipment are more and more, various electromagnetic interferences are more and more, and the requirements on electromagnetic compatibility are increasingly increased in various aspects such as use, and the electromagnetic compatibility case can ensure that signal transmission between input equipment and a system is not affected by electromagnetic interferences and discharge irrelevant frequencies.

In the process of realizing the utility model, the inventor finds that the electromagnetic compatibility chassis is used for integrating a plurality of electronic devices, and can improve the running stability of the devices by adding means such as filtering and shielding, but because the chassis integrates a plurality of electronic devices, the power lines, the signal output lines and the signal input lines are more, the wiring is more complicated when the chassis is connected with the upper-level device, various cables are more, and the interference among the cables is more serious, so the electromagnetic compatibility chassis is provided.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, as a plurality of electronic devices are integrated in a case, power lines, signal output lines and signal input lines are more, wiring is more complicated when the electromagnetic compatible case is connected with superior equipment, various cables are more, and interference among the cables is more serious.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an electromagnetic compatibility machine case, includes the metal machine case, the inner wall of metal machine case is fixed with the metal mesh frame, and the inside of metal mesh frame is fixed with the mounting panel, the inner wall of metal machine case is located the position fixing of mounting panel rear side has the wave filter, the input of wave filter is connected with first socket, first recess has been seted up to the lateral wall of metal machine case, and the inside fixed setting that first socket is located first recess, the front side of metal mesh frame is equipped with the otter board, two inner walls of metal mesh frame all are fixed grafting has the terminal seat, and the lateral wall of two terminal seats all is fixed with the wiring row, two the wiring row is connected with a set of signal input wire and a set of signal output wire respectively, a set of signal input wire and a set of signal output wire's wiring terminal all run through the lateral wall of metal mesh frame, and a set of signal output wire all is connected with the second socket, the strip groove has all been seted up at the back both ends of metal machine case, and two second sockets are located the tank bottom fixed setting in two strip grooves respectively.

Preferably, the lower extreme both sides of metal machine case all are fixed with and connect the copper billet, and the lower extreme of two connection copper billets all is fixed with the earth connection, two the wiring end of earth connection all is connected with the grounding post, and the lateral wall of two grounding posts all is fixed with the grounding piece, two the terminal surface of grounding piece all threaded connection has the grounding bolt.

Preferably, the front side wall of the metal case is provided with an opening, and one side edge of the metal case is rotationally connected with a case door through a hinge.

Preferably, a U-shaped metal mesh enclosure is commonly fixed between the two sides of the interior of the metal case and the metal mesh enclosure, and a group of signal input lines and a group of signal output lines are respectively arranged in the two U-shaped metal mesh enclosures.

Preferably, a group of fixing blocks are fixed on the outer side walls of the screen plate and the metal screen frame, and fixing bolts are connected to the end faces of the two fixing blocks on the same side in a threaded mode.

Preferably, an installation raised line is integrally arranged at one end of the outer side wall of the metal case, and a group of locking bolts are connected with the side wall of the installation raised line and the side wall of the case door in a common threaded manner.

Compared with the prior art, the utility model provides the electromagnetic compatibility chassis, which has the following beneficial effects:

1. this electromagnetic compatibility machine case, through the metal machine case that is equipped with, the metal mesh frame, the mounting panel, the wave filter, first socket, the otter board, the connection terminal, the wiring is arranged, signal input line, signal output line, the mutually supporting of second socket, shield electron integrated space through metal mesh frame cooperation otter board, and the cooperation wave filter, can carry out filter processing to the power, and divide both sides distribution through signal input and output line, can reduce the mutual interference between power cord, the signal line, and through first socket, the second socket, can be convenient for be connected with the quick wiring of superior equipment.

2. This electromagnetic compatibility machine case through the mutual cooperation of connection copper block, earth connection, grounding post, earth block and the ground bolt that is equipped with, can be convenient for carry out the ground connection to the metal machine case, further improves electromagnetic compatibility effect.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, mutual interference among cables can be reduced through filtering, shielding and separated distribution of the cables, the device can be conveniently connected with the rapid wiring of superior equipment, and meanwhile, the electromagnetic compatibility effect can be further improved through grounding.

Drawings

Fig. 1 is a schematic structural diagram of an electromagnetic compatible chassis according to the present utility model;

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

fig. 3 is an enlarged view of the structure of the portion a in fig. 1.

In the figure: 1. a metal chassis; 2. a metal mesh frame; 3. a mounting plate; 4. a filter; 5. a first socket; 6. a screen plate; 7. a wire holder; 8. a wiring row; 9. a signal input line; 10. a signal output line; 11. a second socket; 12. connecting copper blocks; 13. a ground wire; 14. a grounding column; 15. a grounding block; 16. a grounding bolt; 17. a door; 18. u-shaped metal mesh enclosure; 19. a fixed block; 20. a fixing bolt; 21. installing raised strips; 22. a locking bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, an electromagnetic compatible chassis comprises a metal chassis 1, a metal net frame 2 is fixed on the inner wall of the metal chassis 1, a mounting plate 3 is fixed inside the metal net frame 2, a filter 4 is fixed at the position, located on the rear side of the mounting plate 3, of the inner wall of the metal chassis 1, an input end of the filter 4 is connected with a first socket 5, a first groove is formed in the outer side wall of the metal chassis 1, the first socket 5 is fixedly arranged in the first groove, a net plate 6 is arranged on the front side of the metal net frame 2, wire holders 7 are fixedly inserted into two inner walls of the metal net frame 2, wire bars 8 are respectively fixed on the side walls of the two wire holders 7, a group of signal input wires 9 and a group of signal output wires 10 are respectively connected to the two wire bars 8, the wire ends of the group of the signal input wires 9 and the group of the signal output wires 10 are respectively penetrated through the side walls of the metal net frame 2, the wire ends of the group of the signal input wires 9 and the group of the signal output wires 10 are respectively connected with second sockets 11, strip-shaped grooves are respectively formed in the two ends of the back surface of the metal chassis 1, and the two second sockets 11 are respectively arranged at the bottom of the two strip-shaped grooves.

The lower extreme both sides of metal machine case 1 all are fixed with and connect copper billet 12, and the lower extreme of two connection copper billets 12 all is fixed with earth connection 13, and the wiring end of two earth connection 13 all is connected with ground connection post 14, and the lateral wall of two ground connection posts 14 all is fixed with ground connection piece 15, and the terminal surface of two ground connection pieces 15 all threaded connection has ground bolt 16, through connection copper billet 12, earth connection 13 and ground connection post 14, can carry out the ground connection to metal machine case 1, can further improve electromagnetic compatibility through the ground connection.

The front side wall of the metal case 1 is provided with an opening, one side edge of the metal case 1 is rotationally connected with a case door 17 through a hinge, and the metal case 1 can be conveniently opened and closed and sealed through the arrangement.

U-shaped metal mesh enclosure 18 is fixed together between the two sides of the interior of metal case 1 and metal mesh enclosure 2, and a set of signal input lines 9 and a set of signal output lines 10 are located the inside setting of two U-shaped metal mesh enclosures 18 respectively, and through this kind of setting, can carry out further shielding to signal input lines 9 and signal output lines 10, further improves electromagnetic compatibility effect.

The outer side walls of the net plate 6 and the metal net frame 2 are respectively fixed with a group of fixing blocks 19, and the end surfaces of the two fixing blocks 19 on the same side are respectively connected with fixing bolts 20 in a threaded mode.

The metal case 1 is provided with the installation sand grip 21 in an organic whole in lateral wall one end, and the lateral wall of installation sand grip 21 and the lateral wall common screw thread of chamber door 17 are connected with a set of locking bolt 22, through this kind of setting, can be convenient for be connected fixedly between metal case 1 and the chamber door 17.

In the utility model, when in use, the metal screen frame 2 and the mounting plate 3 in the metal machine case 1 can be used for integrally mounting a plurality of electronic devices, the filter 4 can be used for carrying out filtering treatment on the external power supply cables, the signal input line 9 and the signal output line 10 are distributed on two sides, the wiring seat 7 is matched, the wiring of the internal electronic devices can be convenient, the wiring connection between the metal machine case 1 and the upper-level equipment can be convenient through the first socket 5 and the second socket 11, and the shielding treatment on the electronic devices in the metal screen frame 2 can be carried out through the metal screen frame 2 and the screen plate 6.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The electromagnetic compatibility chassis comprises a metal chassis (1), and is characterized in that a metal screen frame (2) is fixed on the inner wall of the metal chassis (1), a mounting plate (3) is fixed in the metal screen frame (2), a filter (4) is fixed at the position, located at the rear side of the mounting plate (3), of the inner wall of the metal chassis (1), a first socket (5) is connected with the input end of the filter (4), a first groove is formed in the outer side wall of the metal chassis (1), the first socket (5) is fixedly arranged in the first groove, a screen plate (6) is arranged on the front side of the metal screen frame (2), wire holders (7) are fixedly inserted into the two inner walls of the metal screen frame (2), wire bars (8) are respectively fixed on the side walls of the two wire holders (7), a group of signal input wires (9) and a group of signal output wires (10) are respectively connected with the wire holders (9), the wire holders of the signal input wires (9) and the wire holders of the group of the signal output wires (10) penetrate through the metal screen frame (2), the wire holders of the two wire holders (11) are connected with the wire holders of the two wire holders (11) respectively, and the two second sockets (11) are respectively positioned at the bottoms of the two strip-shaped grooves to be fixedly arranged.

2. An electromagnetic compatibility chassis according to claim 1, wherein two sides of the lower end of the metal chassis (1) are fixed with connection copper blocks (12), the lower ends of the two connection copper blocks (12) are fixed with grounding wires (13), the wiring ends of the two grounding wires (13) are connected with grounding posts (14), the outer side walls of the two grounding posts (14) are fixed with grounding blocks (15), and the end faces of the two grounding blocks (15) are connected with grounding bolts (16) in a threaded manner.

3. An electromagnetic compatibility chassis according to claim 1, wherein the front side wall of the metal chassis (1) is provided with an opening, and one side edge of the metal chassis (1) is rotatably connected with a door (17) through a hinge.

4. An electromagnetic compatibility chassis according to claim 1, characterized in that a U-shaped metal mesh enclosure (18) is commonly fixed between the two sides of the interior of the metal chassis (1) and the metal mesh enclosure (2), and a group of the signal input lines (9) and a group of the signal output lines (10) are respectively arranged in the two U-shaped metal mesh enclosures (18).

5. An electromagnetic compatibility chassis according to claim 1, wherein a group of fixing blocks (19) are fixed on the outer side walls of the mesh plate (6) and the metal mesh frame (2), and the end surfaces of the two fixing blocks (19) on the same side are connected with fixing bolts (20) in a threaded manner.

6. An electromagnetic compatibility chassis according to claim 3, characterized in that an installation protruding strip (21) is integrally provided at one end of the outer side wall of the metal chassis (1), and a group of locking bolts (22) are connected to the side wall of the installation protruding strip (21) and the side wall of the door (17) in a common threaded manner.