CN214043299U

CN214043299U - Railway signal transformer box with strong anti-electromagnetic interference capability

Info

Publication number: CN214043299U
Application number: CN202120166612.3U
Authority: CN
Inventors: 石晓燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-08-24
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a transformer box for railway signal that anti-electromagnetic interference ability is strong. The utility model discloses a: the main tank body, the inside fixed mounting of main tank body has transformer body, transformer body's wiring department is connected with the terminal, terminal fixed mounting is on main tank body's the upside panel, square tubular metal mesh has been installed to main tank body's inside, the utility model discloses an inside interlude at the main tank body that plays the guard action sets up square tubular metal mesh, and it is right to reduce the electromagnetic interference among the external environment the utility model discloses the influence of the transformer body of inside installation reduces through utilizing the effect that the metal mesh can keep apart electromagnetic interference the utility model discloses the probability that the electric equipment of inside installation appears damaging by electromagnetic interference to through install the intermediate layer metal mesh additional in the inside of door plant, make the terminal can be in a stable environment who keeps apart electromagnetic interference constantly at the in-process of use.

Description

Railway signal transformer box with strong anti-electromagnetic interference capability

Technical Field

The utility model relates to a vary voltage case technical field specifically is a strong railway signal of anti-electromagnetic interference ability uses transformer case.

Background

The transformer box refers in particular to the electric equipment used in railway transportation. Electromagnetic interference is electronic noise that interferes with the cable signal and reduces signal integrity, and EMI is typically generated by electromagnetic radiation generating sources such as motors and machinery.

In the prior art, power sources in the railway transportation are all supplied with power along with the updating iteration of the technology, so a transformer box used in the railway transportation is always in an electromagnetic interference environment, negative influences can be caused on electric parts connected inside the transformer box and the stability of internal current of the transformer box, most of the existing solutions in the transformer box are completed by utilizing equipment such as a spoiler or a current stabilizer, the spoiler or the current stabilizer needs to be additionally installed during installation, the maintenance workload and the difficulty during installation are increased, and inconvenience exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strong transformer case for railway signal of anti-electromagnetic interference ability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer box for railway signals with strong anti-electromagnetic interference capability comprises: the main tank body, the inside fixed mounting of main tank body has the transformer body, the wiring department of transformer body is connected with the terminal, terminal fixed mounting is on the upside panel of main tank body, square tube type metal mesh has been installed to the inside of main tank body, the centre gripping has the fixation clamp pad between the side inner wall of main tank body and the square tube type metal mesh, the centre gripping has the rubber tyer between the roof of main tank body and bottom plate inner wall and the square tube type metal mesh, rubber tyer fixed mounting is on the inner wall of main tank body, the rear end department screw fixed mounting of main tank body has the backplate, be equipped with between the inboard of backplate and the square tube type metal mesh and push away the frame.

Further, push away the frame including welding the board, weld a side fixed welding of board on the backplate, it is equipped with the segmental plate to weld the board and keep away from a side of backplate, the segmental plate is bow-shaped shell fragment, just it has the rubber pad to keep away from one of welding the board to serve the fixed bonding of board to the segmental plate.

Furthermore, the hinge joint of front port department of the main tank body has the door plant, the inside interlude of door plant is equipped with the intermediate layer metal mesh, the upper end department of door plant is equipped with a frame, it is connected with the banding through the connecting bolt to push up the frame.

Furthermore, the square-tube metal net is a square-barrel metal net with one open end.

Furthermore, the length and the width of the interlayer metal net are correspondingly larger than those of the port of the square-tube metal net.

Furthermore, the number of the pushing frames is four, and the four pushing frames are respectively arranged at four corners of the back plate.

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

the utility model reduces the influence of electromagnetic interference in the external environment on the transformer body arranged in the utility model by arranging the square tubular metal net inside the main box body which plays a role of protection and reduces the probability of damage of the electric equipment arranged in the utility model due to electromagnetic interference by using the effect of electromagnetic interference isolation of the metal net, and the insulating fixed clamp pad and the rubber wheel are additionally arranged between the main box body and the square tubular metal net to ensure that the square tubular metal net can not directly contact with the main box body when being installed and used by additionally arranging the interlayer metal net inside the door plate so that the binding post can be constantly positioned in a stable environment for isolating electromagnetic interference in the using process, and the push frame designed by the utility model applies elastic thrust between the back plate and the square tubular metal net, the design enables the square tubular metal net to have a movement fault-tolerant space relative to the back plate, reduces the probability of deformation of the square tubular metal net due to the soft characteristic of the square tubular metal net when the square tubular metal net is vibrated in the railway transportation process, and ensures the integrity of the square tubular metal net in long-term use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the pushing frame structure of the present invention;

FIG. 4 is an enlarged schematic view of the area A of the present invention;

fig. 5 is a schematic diagram of the B-region enlarged structure of the present invention.

Reference numerals: 1. a main box body; 2. a transformer body; 3. a binding post; 4. a square tubular metal mesh; 5. Fixing the clamp pad; 6. a rubber wheel; 7. a back plate; 8. pushing the frame; 81. welding the plate; 82. an arcuate plate; 83. a rubber pad; 9. a door panel; 10. interlayer metal net; 11. a top frame; 12. and (7) sealing edges.

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 belong to the protection scope of the present invention.

Please refer to fig. 1-5, in which fig. 1 is a schematic perspective view of the present invention; FIG. 2 is a schematic side sectional view of the present invention; FIG. 3 is a schematic view of the pushing frame structure of the present invention; FIG. 4 is an enlarged schematic view of the area A of the present invention; fig. 5 is the utility model discloses a B regional enlarged structure schematic diagram, a transformer case for railway signal that anti-electromagnetic interference ability is strong, include: the main tank body 1, the inside fixed mounting of main tank body 1 has transformer body 2, the wiring department of transformer body 2 is connected with terminal 3, terminal 3 fixed mounting is on the upside panel of main tank body 1, square tube type metal mesh 4 has been installed to main tank body 1's inside, the centre gripping has fixation clamp pad 5 between main tank body 1's side inner wall and the square tube type metal mesh 4, the centre gripping has rubber tyer 6 between main tank body 1's roof and bottom plate inner wall and the square tube type metal mesh 4, rubber tyer 6 fixed mounting is on main tank body 1's inner wall, main tank body 1's rear port department screw fixed mounting has backplate 7, be equipped with between backplate 7's the inboard and the square tube type metal mesh 4 and push away the frame 8.

Push away frame 8 including welding board 81, weld a side fixed welding of board 81 on backplate 7, weld and be equipped with segmental plate 82 on the side that backplate 7 was kept away from to board 81, segmental plate 82 is bow-shaped shell fragment, and segmental plate 82 keeps away from one of welding board 81 and serves to be fixed to bond and have rubber pad 83, and this design makes the utility model discloses can reduce the negative effects that the other side section of thick bamboo type metal mesh 4 caused of vibration when using to increase the security of square section of thick bamboo type metal mesh 4 when using.

There is door plant 9 in the front port department hinged joint of the main tank body 1, and the inside interlude of door plant 9 is equipped with intermediate layer metal mesh 10, and the last port department of door plant 9 is equipped with a frame 11, and topside frame 11 is connected with banding 12 through the hitch bar, and this design makes the utility model discloses when using within the whole that transformer body 2 can all be in the coverage of metal mesh, electromagnetic interference causes the influence of negative side to its use in the reduction external environment.

The square cylindrical metal net 4 is a square cylindrical metal net with an opening at one end, the shape of the square cylindrical metal net 4 can be matched with the shape of the main box body 1 repeatedly due to the design, the shape of the square cylindrical metal net 4 is matched with the shape of the main box body 1 when the square cylindrical metal net 4 is installed in the main box body, and the negative influence of gaps on the isolation effect is reduced.

The length and the width of the interlayer metal net 10 are correspondingly larger than those of the port of the square-tube metal net 4, the design is used for plugging the open port of the square-tube metal net 4, and the gap of the metal net covering surface is reduced, so that the electromagnetism in the external environment can be fully isolated.

The number of the pushing frames 8 is four, and the four pushing frames 8 are respectively arranged at four corners of the back plate 7, so that the contact points of the square tubular metal net 4 and the back plate 7 are all located at the harder corner positions, and the phenomenon that the square tubular metal net 4 excessively moves when vibration is generated and contacts with the back plate 7 is avoided.

To sum up, the utility model discloses when using, directly with external cable junction on transformer body 2 can, at the in-process that uses, 4 cooperation door plants of square tube type metal mesh 9 form a metal mesh cage, this design utilizes the metal mesh can keep apart most electromagnetic interference's effect, form the environment of an electromagnetic isolation in the cage, transformer body 2 is being in the non-electromagnetic interference environment in the cage this moment, make it can not influenced by the electromagnetic interference in the transmission of electricity environment of railway when using, the probability of transformer body 2 because of electromagnetic interference its inside spare damage appears has been reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A transformer box for railway signals with strong anti-electromagnetic interference capability comprises: the main box body (1) is characterized in that a transformer body (2) is fixedly arranged in the main box body (1), the wiring position of the transformer body (2) is connected with a wiring terminal (3), the wiring terminal (3) is fixedly arranged on the upper side panel of the main box body (1), a square cylindrical metal net (4) is arranged in the main box body (1), a fixing clamp pad (5) is clamped between the inner wall of the side surface of the main box body (1) and the square cylindrical metal net (4), a rubber wheel (6) is clamped between the top plate of the main box body (1), the inner wall of the bottom plate and the square-tube-shaped metal net (4), the rubber wheel (6) is fixedly arranged on the inner wall of the main box body (1), a back plate (7) is fixedly arranged at the rear port of the main box body (1) through a screw, a pushing frame (8) is arranged between the inner side of the back plate (7) and the square tubular metal net (4).

2. The transformer box for the railway signal with the strong anti-electromagnetic interference capability according to claim 1, wherein the pushing frame (8) comprises a welding plate (81), one side surface of the welding plate (81) is fixedly welded on the back plate (7), a cambered plate (82) is arranged on one side surface of the welding plate (81) far away from the back plate (7), the cambered plate (82) is a cambered elastic sheet, and a rubber pad (83) is fixedly bonded on one end of the cambered plate (82) far away from the welding plate (81).

3. The transformer box for the railway signals with strong anti-electromagnetic interference capability according to claim 1, wherein a door panel (9) is hinged to a front port of the main box body (1), an interlayer metal net (10) is inserted into the door panel (9), a top frame (11) is arranged at an upper port of the door panel (9), and the top frame (11) is connected with a sealing edge (12) through a connecting bolt.

4. The transformer box for railway signals with strong anti-electromagnetic interference capability of claim 1, characterized in that the square barrel-shaped metal net (4) is a square barrel-shaped metal net with one open end.

5. The transformer box for railway signals with strong anti-electromagnetic interference capability of claim 3, characterized in that the length and width of the interlayer metal net (10) are correspondingly larger than those of the ports of the square cylinder type metal net (4).

6. The transformer box for railway signals with strong anti-electromagnetic interference capability of claim 1, wherein the number of the pushing frames (8) is four, and four pushing frames (8) are respectively arranged at four corners of the back plate (7).