Anti-interference device for rail transit communication

Abstract

The invention discloses an anti-interference device for rail transit communication, relates to the technical field of communication anti-interference, and provides the following scheme that the anti-interference device comprises a communication facility shielding box mechanism, and the outer surface of the communication facility shielding box mechanism is provided with a lower-layer anti-seismic support; the top surface of the lower-layer anti-seismic support is connected with an upper-layer anti-seismic support. According to the technical scheme, the communication facility shielding box mechanism is arranged, the waveguide tube is arranged on the box body, the inner wall of the box body is covered with a layer of electromagnetic shielding which is used for shielding interference of external electromagnetism on the communication facility, and meanwhile the waveguide tube is used as an electromagnetic signal transmission channel of the communication facility; not only can signals of communication facilities be ensured not to be influenced by the outside, but also stable transmission of self communication can be ensured; in addition, an upper anti-seismic support and a lower anti-seismic support are arranged outside the shielding box, so that the posture of the communication facility is not affected by jolt in the running process of the rail transit, and normal transmission of the communication facility is further maintained.

Description

Technical Field

[0001] The present invention relates to the technical field of communication anti-interference, and in particular to an anti-interference device for rail transit communication. Background Art

[0002] There may also be other wireless communication systems in the urban rail transit system, such as public wireless communication networks, other traffic management systems, etc. These systems may conflict with the communication of the rail transit communication system, resulting in communication interruption or data errors. High-rise buildings, telephone poles, electrical equipment, etc. in the city will generate electromagnetic radiation, which will interfere with communication signals. Especially in densely populated and densely built urban central areas, the electromagnetic environment is particularly complex, and the impact on rail transit communications is more significant. During the operation of the train, its electrical system, mechanical equipment, etc. will generate electromagnetic interference. These interferences may interfere with the rail transit communication system and affect the communication quality. Therefore, those skilled in the art hereby propose a solution for an anti-interference device for rail transit communications. Summary of the invention

[0003] In view of the above background technology, it is proposed that rail transit communication facilities are affected by vehicle vibration and magnetic field, resulting in poor communication, and thus a technical solution content of an anti-interference device for rail transit communication is provided.

[0004] It includes a communication facility shielding box mechanism, the outer surface of which is provided with a lower-layer anti-seismic support, and the top surface of which is connected with an upper-layer anti-seismic support;

[0005] The communication facility shielding box mechanism comprises a box body component and a box cover component covering the upper port of the box body component, and a layer of electromagnetic shielding film is adhered to the inner cavity side walls of the box body component and the box cover component;

[0006] The box assembly includes a box, metal hinges fixedly connected to the left and right sides of the rear side of the box, and 2-3 waveguide connectors fixedly connected to the front end surface of the box, the end of the waveguide connector located inside the box is connected to the communication facility, and the end of the waveguide connector located outside the box is connected to the waveguide tube;

[0007] The box cover assembly includes an end cover, a frame protection plate fixedly connected to the outer surface of the end cover, and four top corner wrapping pieces fixedly connected to the four corners of the top of the end cover;

[0008] The lower anti-seismic support comprises a lower connecting support, a lower brushless control motor fixedly connected to the bottom end of the lower connecting support, and a square frame connected to the output end of the lower brushless control motor through a coupling, a crossbeam is fixedly passed through the interior of the square frame, and both left and right ends of the crossbeam are fixedly connected to longitudinal connecting beams arranged longitudinally, and the front ends of the longitudinal connecting beams are fixed with U-shaped metal support plates;

[0009] The upper seismic-resistant bracket includes a front connecting rod, upper and lower brushless control motors fixedly connected to the bottom end of the front connecting rod, and a longitudinally arranged L-shaped connecting column fixedly connected to the output shafts of the upper and lower brushless control motors through a coupling. The left and right side walls of the front connecting rod are fixedly connected to upper support beams, and the rear end face of the upper support beam is fixedly connected to a longitudinally arranged rear connecting rod.

[0010] In the above-mentioned technical solution of the anti-interference device for rail transit communications, preferably: a layer of porous sponge is fixed around the inner cavity side walls of the box body by adhesive, and the metal protective frame is divided into three parts: upper, middle and lower parts, wherein the upper and lower parts of the metal protective frame are both rectangular aluminum alloy sheets, and the aluminum alloy sheets are inlaid and fixed in the upper and lower areas of the outer surface of the metal protective frame, and the middle part of the metal protective frame is composed of four vertically arranged right-angle sheets, the upper and lower ends of the right-angle sheets are respectively fixedly connected to the side of the aluminum alloy sheets close to each other, and the right-angle sheets wrap the four edges of the box body.

[0011] In the above-mentioned technical solution of the anti-interference device for rail transit communications, preferably: the left and right positions of the front surface of the box body are fixedly connected with lock buckles, the end of the metal hinge away from the box body is locked with the rear end surface of the end cover by screws, and two grooves are provided on the left and right end surfaces of the box body, and lifting handles are installed inside the grooves.

[0012] In the above-mentioned technical solution of the anti-interference device for rail transit communication, preferably: four frame corner guards are inlaid and fixed at the four corners of the bottom of the box, rail transit communication facilities are placed inside the box, and the waveguide connector is connected to the communication connector of the rail transit communication facility, and the waveguide tube is connected to the rail transit communication sub-end.

[0013] In the above-mentioned technical solution of the anti-interference device for rail transit communication, preferably: a sponge layer is fixedly adhered to the side wall of the inner cavity of the end cover by an adhesive, and the porous sponge in the inner cavity of the box and the sponge layer inside the end cover are provided with a cavity for placing the rail transit communication facilities.

[0014] In the above-mentioned technical solution of the anti-interference device for rail transit communication, preferably: the top end of the lower connecting bracket is fixedly connected to the bottom end of the column, the lower brushless control motor is arranged longitudinally as a whole, and the output shaft of the lower brushless control motor and the crossbeam are perpendicular to each other, a circular hole for the crossbeam to pass horizontally is provided inside the square frame, and a plurality of bolts for fixing the crossbeam are penetrated by the front and rear end faces of the square frame.

[0015] In the above-mentioned technical solution of the anti-interference device for rail transit communications, preferably: the left and right end ends of the crossbeam are fixedly connected with a jacket for fixing the longitudinal connecting beam, and the front end of the longitudinal connecting beam is fixedly connected with a support seat, and the left and right side walls of the U-shaped metal support plate are fixedly connected to the end face of one side close to each other of the support seat.

[0016] In the above-mentioned technical solution of the anti-interference device for rail transit communication, preferably: the vertical section of the U-shaped metal support plate is U-shaped, and the top surface of the U-shaped metal support plate is fixedly connected to the bottom surface of the box body by a plurality of screws.

[0017] In the above-mentioned technical solution of the anti-interference device for rail transit communication, preferably: the front end of the front connecting rod is fixed on the wall, the rear end of the rear connecting rod is fixed on the side wall of the wall, and a steel structure connecting head is fixed on the end of the upper support beam away from the upper and lower brushless control motors, and the front end of the rear connecting rod passes through and is fixed in the inner cavity of the steel structure connecting head.

[0018] In the above technical solution of the anti-interference device for rail transit communication, preferably: the upper and lower brushless control motors are arranged vertically as a whole, and the output shafts of the upper and lower brushless control motors and the L-shaped connecting columns are perpendicular to each other.

[0019] It can be seen from the above technical solutions that the present invention provides an anti-interference device for rail transit communication. Compared with the prior art, the present invention has the following beneficial effects:

[0020] In the technical solution of the present invention, a communication facility shielding box mechanism is provided, a waveguide is provided on the box, and a layer of electromagnetic shielding is covered on the inner wall of the box to shield external electromagnetic interference to the communication facility. At the same time, the waveguide is used as the electromagnetic signal transmission channel of the communication facility, which can not only ensure that the signal of the communication facility is not affected by the outside world, but also ensure the stable transmission of its own communication; in addition, upper and lower layers of seismic-resistant brackets are provided on the outside of the shielding box, so that during the operation of rail transit, the posture of the communication facility is not affected by the running bumps, thereby maintaining the normal transmission of the communication facility. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces and describes the drawings required for use in the embodiments of the present invention or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is the overall structural diagram of the anti-interference structure of the communication facilities;

[0023] Figure 2 It is a schematic diagram of the shielding box mechanism of the communication facility;

[0024] Figure 3 It is a schematic diagram of the box body components in the communication facility shielding box mechanism;

[0025] Figure 4 It is a schematic diagram of a box cover assembly in a communication facility shielding box mechanism;

[0026] Figure 5 It is a schematic diagram of the upper seismic support;

[0027] Figure 6 Schematic diagram of the lower seismic support.

[0028] Attached Figure 1 -Attached Figure 6 The corresponding relationship of the parts is as follows:

[0029] 1. Communication facility shielding box mechanism; 11. Box body assembly; 111. Box body; 112. Metal hinge; 113. Metal protective frame; 114. Lifting handle; 115. Frame corner guard; 116. Waveguide tube; 117. Lock; 118. Waveguide connector; 12. Electromagnetic shielding film; 13. Box cover assembly; 131. End cover; 132. Frame protection plate; 133. Top corner wrapping piece; 2. Lower anti-seismic bracket; 21. Lower connecting bracket; 22. Lower brushless control motor; 23. Crossbeam; 24. Longitudinal connecting beam; 25. Support seat; 26. U-shaped metal support plate; 27. Square frame; 3. Upper anti-seismic bracket; 31. Front connecting rod; 32. Column; 33. Rear connecting rod; 34. Steel structure connector; 35. Upper support beam; 36. L-shaped connecting column; 37. Upper and lower brushless control motors. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In order to more clearly explain and illustrate the technical solution and implementation of the present invention, preferred specific embodiments for implementing the technical solution of the present invention are introduced below.

[0032] Embodiment: A preferred technical solution for an anti-interference device for rail transit communication:

[0033] Refer to the instruction manual Figure 1 As shown: it includes a communication facility shielding box mechanism 1, the outer surface of the communication facility shielding box mechanism 1 is provided with a lower layer earthquake-resistant bracket 2, and the top surface of the lower layer earthquake-resistant bracket 2 is connected to an upper layer earthquake-resistant bracket 3;

[0034] Refer to the instruction manual Figure 2 As shown: the communication facility shielding box mechanism 1 comprises a box body component 11 and a box cover component 13 covering the upper port of the box body component 11, and a layer of electromagnetic shielding film 12 is adhered to the inner cavity side walls of the box body component 11 and the box cover component 13;

[0035] Refer to the instruction manual Figure 3 As shown: the box assembly 11 includes a box body 111, metal hinges 112 fixedly connected to the left and right sides of the rear side of the box body 111, and 2-3 waveguide connectors 118 fixedly connected to the front end surface of the box body 111, the end of the waveguide connector 118 located on the inner side of the box body 111 is connected to the communication facility, and the end of the waveguide connector 118 located on the outer side of the box body 111 is connected to the waveguide tube 116;

[0036] Refer to the instruction manual Figure 4 As shown: the box cover assembly 13 includes an end cover 131, a frame protection plate 132 fixedly connected to the outer surface of the end cover 131, and four top corner wrapping pieces 133 fixedly connected to the four corners of the top of the end cover 131;

[0037] Refer to the instruction manual Figure 5 As shown: the lower anti-seismic support 2 includes a lower connecting support 21, a lower brushless control motor 22 fixedly connected to the bottom end of the lower connecting support 21, and a square frame 27 connected to the output end of the lower brushless control motor 22 through a coupling, a crossbeam 23 is fixedly penetrated in the interior of the square frame 27, and the left and right ends of the crossbeam 23 are fixedly connected to longitudinal connecting beams 24 arranged longitudinally, and the front ends of the longitudinal connecting beams 24 are fixed with U-shaped metal support plates 26;

[0038] Refer to the instruction manual Figure 6 As shown: the upper seismic support 3 includes a front connecting rod 31, an upper and lower brushless control motor 37 fixedly connected to the bottom end of the front connecting rod 31, and an L-shaped connecting column 36 longitudinally arranged on the output shaft of the upper and lower brushless control motors 37 fixedly connected through a coupling, the left and right side walls of the front connecting rod 31 are fixedly connected with an upper support beam 35, and the rear end face of the upper support beam 35 is fixedly connected with a longitudinally arranged rear connecting rod 33.

[0039] Refer to the instruction manual Figure 3 As shown: a layer of porous sponge is fixed around the inner cavity side wall of the box body 111 by adhesive, and the metal protection frame 113 is divided into three parts: upper, middle and lower. Among them, the upper and lower parts of the metal protection frame 113 are both rectangular aluminum alloy sheets, and the aluminum alloy sheets are inlaid and fixed in the upper and lower areas of the outer surface of the metal protection frame 113, and the middle part of the metal protection frame 113 is composed of four vertically arranged right-angle pieces, and the upper and lower ends of the right-angle pieces are respectively fixedly connected to the sides of the aluminum alloy sheets that are close to each other, and the right-angle pieces wrap the four edges of the box body 111; the left and right positions of the front side surface of the box body 111 are fixedly connected with lock buckles 117, and the end of the metal hinge 112 away from the box body 111 is locked with the rear side end face of the end cover 131 by screws, and two grooves are provided on the left and right side end faces of the box body 111, and the inside of the grooves are installed with pull handles 114.

[0040] Refer to the instruction manual Figure 4 As shown: four frame corner guards 115 are inlaid and fixed at the four corners of the bottom of the box 111, rail transit communication facilities are placed inside the box 111, and the waveguide connector 118 is connected to the communication connector of the rail transit communication facilities, and the waveguide tube 116 is connected to the rail transit communication sub-end; a sponge layer is fixedly adhered to the side wall of the inner cavity of the end cover 131 by an adhesive, and the porous sponge in the inner cavity of the box 111 and the sponge layer inside the end cover 131 are provided with chambers for placing the rail transit communication facilities.

[0041] Refer to the instruction manual Figure 5As shown: the top end of the lower connecting bracket 21 is fixedly connected to the bottom end of the column 32, the lower brushless control motor 22 is arranged longitudinally as a whole, and the output shaft of the lower brushless control motor 22 and the crossbeam 23 are perpendicular to each other, and a circular hole for the crossbeam 23 to pass horizontally is provided inside the square frame 27, and a plurality of bolts for fixing the crossbeam 23 are penetrated by the front and rear end faces of the square frame 27; the left and right end ends of the crossbeam 23 are fixedly connected with a jacket for fixing the longitudinal connecting beam 24, and the front end of the longitudinal connecting beam 24 is fixedly connected with a support seat 25, the left and right side walls of the U-shaped metal support plate 26 are fixedly connected to the end face of one side of the support seat 25 close to each other, the vertical section of the U-shaped metal support plate 26 is U-shaped, and the top surface of the U-shaped metal support plate 26 is fixedly connected to the bottom surface of the box body 111 by a plurality of screws.

[0042] Refer to the instruction manual Figure 6 As shown: the front end of the front connecting rod 31 is fixed on the wall, the rear end of the rear connecting rod 33 is fixed on the side wall of the wall, and a steel structure connector 34 is fixed on one end of the upper support beam 35 away from the upper and lower brushless control motors 37. The front end of the rear connecting rod 33 passes through and is fixed in the inner cavity of the steel structure connector 34. The upper and lower brushless control motors 37 are arranged vertically as a whole, and the output shafts of the upper and lower brushless control motors 37 and the L-shaped connecting column 36 are perpendicular to each other.

[0043] According to the above-mentioned preferred technical solution, the workflow of the technical solution is described as follows:

[0044] Place the communication facility host inside the box 111, and flip the end cover 131 over the upper port of the box 111 with the help of the metal hinge 112. At this time, the sponge in the inner cavity of the box 111 and the end cover 131 tightly wraps the communication facility host, and at the same time, the electromagnetic shielding film 12 is used to shield the external electromagnetic field, protecting the communication facility host from external electromagnetic interference. Then, connect the waveguide connector 118 to the signal sending end of the communication facility host, and use the waveguide 116 to transmit the electromagnetic signal of the communication facility host. After fastening the lock 117, place the box body assembly 11 and the box cover assembly 13 on the U-shaped metal support plate 26, and lock the bolts between the U-shaped metal support plate 26 and the box 111.

[0045] During the operation of rail transit, the lower brushless control motor 22 will control the horizontal posture of the crossbeam 23 on the X-axis and the Y-axis to ensure that the U-shaped metal pallet 26 is in a horizontal position, while the upper and lower brushless control motors 37 control the horizontal posture of the upper support beam 35 and the column 32 on the Z-axis. Through the cooperation of the lower brushless control motor 22 and the upper and lower brushless control motors 37, the communication facility host on the U-shaped metal pallet 26 is protected from body collision and unstable signal transmission caused by bumps.

[0046] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone should be aware that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. Finally, it should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions that can be implemented in this application, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects that can be produced by this application and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.

Claims

1. An anti-interference device for rail transit communication, comprising a communication facility shielding box mechanism (1), characterized in that: The outer surface of the communication facility shielding box mechanism (1) is provided with a lower-layer anti-seismic support (2), and the top surface of the lower-layer anti-seismic support (2) is connected to an upper-layer anti-seismic support (3); The communication facility shielding box mechanism (1) comprises a box body component (11) and a box cover component (13) covering an upper port of the box body component (11), and a layer of electromagnetic shielding film (12) is adhered to the inner cavity side walls of the box body component (11) and the box cover component (13); The box body assembly (11) comprises a box body (111), metal hinges (112) fixedly connected to the left and right sides of the rear side of the box body (111), and 2-3 waveguide connectors (118) fixedly connected to the front end surface of the box body (111), wherein the end of the waveguide connector (118) located on the inner side of the box body (111) is connected to the communication facility, and the end of the waveguide connector (118) located on the outer side of the box body (111) is connected to the waveguide tube (116); The box cover assembly (13) comprises an end cover (131), a frame protection plate (132) fixedly connected to the outer surface of the end cover (131) and four top corner wrapping pieces (133) fixedly connected to the four corners of the top of the end cover (131); The lower anti-seismic support (2) comprises a lower connecting support (21), a lower brushless control motor (22) fixedly connected to the bottom end of the lower connecting support (21), and a square frame (27) connected to the output end of the lower brushless control motor (22) via a coupling, a crossbeam (23) is fixedly passed through the interior of the square frame (27), the left and right ends of the crossbeam (23) are fixedly connected to longitudinal connecting beams (24) arranged longitudinally, and the front ends of the longitudinal connecting beams (24) are fixed with U-shaped metal support plates (26); The upper anti-seismic support (3) comprises a front connecting rod (31), upper and lower brushless control motors (37) fixedly connected to the bottom end of the front connecting rod (31), and an L-shaped connecting column (36) fixedly connected to the output shaft of the upper and lower brushless control motors (37) via a coupling and arranged longitudinally, the left and right side walls of the front connecting rod (31) are fixedly connected to upper support beams (35), and the rear end surface of the upper support beam (35) is fixedly connected to a longitudinally arranged rear connecting rod (33).

2. The anti-interference device for rail transit communication according to claim 1, characterized in that: A layer of porous sponge is fixed around the inner cavity side wall of the box body (111) by adhesive, and the metal protective frame (113) is divided into three parts: upper, middle and lower. The upper and lower parts of the metal protective frame (113) are both rectangular aluminum alloy sheets, and the aluminum alloy sheets are inlaid and fixed in the upper and lower areas of the outer surface of the metal protective frame (113), and the middle part of the metal protective frame (113) is composed of four vertically arranged right-angle sheets, and the upper and lower ends of the right-angle sheets are respectively fixedly connected to the sides of the aluminum alloy sheets that are close to each other, and the right-angle sheets wrap the four edges of the box body (111).

3. The anti-interference device for rail transit communication according to claim 1, characterized in that: The left and right positions of the front surface of the box body (111) are fixedly connected with lock buckles (117); the end of the metal hinge (112) away from the box body (111) is locked with the rear end surface of the end cover (131) by means of screws; and two grooves are provided on the left and right end surfaces of the box body (111), and lifting handles (114) are installed inside the grooves.

4. The anti-interference device for rail transit communication according to claim 1, characterized in that: Four frame corner guards (115) are inlaid and fixed at the four corners of the bottom of the box (111), rail transit communication facilities are placed inside the box (111), and the waveguide connector (118) is connected to the communication connector of the rail transit communication facilities, and the waveguide tube (116) is connected to the rail transit communication sub-end.

5. The anti-interference device for rail transit communication according to claim 1, characterized in that: A sponge layer is fixedly adhered to the inner cavity side wall of the end cover (131) by adhesive, and the porous sponge in the inner cavity of the box body (111) and the sponge layer inside the end cover (131) are both provided with a cavity for placing rail transit communication facilities.

6. The anti-interference device for rail transit communication according to claim 1, characterized in that: The top end of the lower connecting bracket (21) is fixedly connected to the bottom end of the column (32); the lower brushless control motor (22) is arranged longitudinally as a whole, and the output shaft of the lower brushless control motor (22) and the crossbeam (23) are perpendicular to each other; a circular hole for the crossbeam (23) to pass horizontally is arranged inside the square frame (27), and a plurality of bolts for fixing the crossbeam (23) are penetrated through the front and rear end surfaces of the square frame (27).

7. The anti-interference device for rail transit communication according to claim 1, characterized in that: The left and right end heads of the cross beam (23) are fixedly connected with a jacket for fixing the longitudinal connecting beam (24), and the front end of the longitudinal connecting beam (24) is fixedly connected with a support seat (25), and the left and right side walls of the U-shaped metal support plate (26) are fixedly connected to the end surface of one side of the support seat (25) that is close to each other.

8. The anti-interference device for rail transit communication according to claim 1, characterized in that: The vertical cross-section of the U-shaped metal support plate (26) is U-shaped, and the top surface of the U-shaped metal support plate (26) is fixedly connected to the bottom surface of the box body (111) via a plurality of screws.

9. The anti-interference device for rail transit communication according to claim 1, characterized in that: The front end of the front connecting rod (31) is fixed on the wall, the rear end of the rear connecting rod (33) is fixed on the side wall of the wall, and a steel structure connector (34) is fixed on one end of the upper support beam (35) away from the upper and lower brushless control motors (37), and the front end of the rear connecting rod (33) passes through and is fixed in the inner cavity of the steel structure connector (34).

10. The anti-interference device for rail transit communication according to claim 1, characterized in that: The upper and lower brushless control motors (37) are arranged vertically as a whole, and the output shafts of the upper and lower brushless control motors (37) and the L-shaped connecting column (36) are perpendicular to each other.

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