CN210326422U - Switching device for wireless communication of railway dispatching system - Google Patents

Abstract

The utility model discloses a railway dispatch system wireless communication is with switching device, include: a housing and an adapter plate; four corners of the inner wall of shell all are provided with the screw pipe, four corners of keysets all are provided with fastening screw, connect soon through fastening screw and screw pipe's screw thread, and it is fixed keysets and shell, the shell outer wall is provided with the connector, the inner wall of shell is provided with line concentration module, overcurrent protection module and switching mainboard respectively, 4G switching mouth, GSM switching mouth and CDMA switching mouth have been seted up on the keysets respectively. The utility model discloses in, this switching device for wireless communication adopts the multiple combination formula safeguard measure of overcurrent protection module, lightning protection module and insulating cover, can play lightning protection, overcurrent protection and anticreep protection effect to the switching device, makes it no matter under any rugged environment, can both be in the state use of relative safety, has improved radio communication's in the railway dispatch system security.

Description

Switching device for wireless communication of railway dispatching system

Technical Field

The utility model relates to a radio communication switching technical field especially relates to a railway dispatching system radio communication is with switching device.

Background

The traditional railway dispatching system is mainly wired communication, usually has wireless talkback as assistance, along with the development of communication technology, the wireless communication has mobility and convenience, the proportion occupied in the communication system is greater and greater, in order to meet the requirement of convenient communication application of wireless equipment in different environments, the antenna switch switching device is usually applied to the wireless equipment and used for switching different antennas so as to adapt to the wireless communication in different environments,

however, the existing wireless communication switching device can only realize the function of antenna switching, and lacks necessary safety protection measures, because the external environment of the train often has interference conditions such as lightning, high-power direct current charging, alternating current charging, strong low-frequency electromagnetic field and the like, if the safety protection of the antenna switching device is improper, interference factors may enter the wireless communication device through the external antenna, and then the wireless device may be broken down or even damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings in the prior art, and providing a switching device for wireless communication of a railway dispatching system.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a switching device for wireless communication of a railway dispatching system comprises: a housing and an adapter plate;

screw pipes are arranged at four corners of the inner wall of the shell;

fastening screws are arranged at four corners of the adapter plate;

the adapter plate is fixed with the shell through the screwing of the fastening screw and the screw pipe;

the outer wall of the shell is provided with a connector;

the inner wall of the shell is respectively provided with a line concentration module, an over-current protection module and a switching mainboard;

the adapter plate is respectively provided with a 4G adapter interface, a GSM adapter interface and a CDMA adapter interface.

As a further description of the above technical solution:

the lightning protection module is also included;

the lightning protection module is arranged on the inner wall of the shell;

the lightning protection module is electrically connected with the switching mainboard.

As a further description of the above technical solution:

the device also comprises a telescopic sleeve;

the telescopic sleeve is screwed on the outer wall of the connector;

the outer wall of the telescopic sleeve and the end far away from the shell are pasted with a silica gel ring, and the thickness of the silica gel ring is smaller than that of the telescopic sleeve.

As a further description of the above technical solution:

the device also comprises a sealing cover;

the number of the sealing covers is three, and the three sealing covers are all arranged on the adapter plate and are respectively positioned on the outer walls of the opening ends of the 4G adapter port, the GSM adapter port and the CDMA adapter port;

the outer walls of the three sealing covers are wrapped by insulating sleeves.

As a further description of the above technical solution:

the device also comprises a filter screen;

the filter screen is embedded in the inner wall of the opening end of the sealing cover;

the filter screen is of an elastic telescopic structure;

the center of the surface of the filter screen is provided with a through hole with a circular structure.

As a further description of the above technical solution:

the damping cushion is also included;

the damping cushions are adhered to the outer wall of the shell and are respectively positioned on two sides of the connector;

the outer walls of the two damping cushions are elastically connected with a magnet.

Advantageous effects

The utility model provides a switching device is used in railway dispatching system wireless communication. The method has the following beneficial effects:

(1): this switching device for wireless communication adopts the multiple combination formula safeguard measure of overcurrent protection module, lightning protection module and insulating cover, can play lightning protection, prevent overcurrent and anticreep protection effect to the switching device to no matter make switching device under any bad weather and natural environment, can both be in the state use of relative safety, improve wireless communication's in the railway dispatch system safety and stability.

(2): this switching device for wireless communication adopts split type package assembly, can carry out quick dismouting operation with the keysets to quantity and the type according to actual switching antenna are different, select the keysets of suitable specification to install and use, have avoided the high cost that whole change switching device leads to, have also strengthened switching device's application scope.

Drawings

Fig. 1 is a schematic overall structure diagram of a switching device for wireless communication of a railway dispatching system according to the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic structural view of the connecting head of the present invention;

fig. 4 is a schematic view of the internal structure of the middle sealing cover of the present invention;

fig. 5 is a schematic top view of the housing of the present invention.

Illustration of the drawings:

1. a housing; 11. a line concentration module; 12. an overcurrent protection module; 13. a screw tube; 14. switching the mainboard; 15. a lightning protection module; 2. a connector; 21. a telescopic sleeve; 22. a silica gel ring; 3. an adapter plate; 4. fastening screws; 5. a 4G switching port; 6. a GSM switching interface; 7. a sealing cover; 71. an insulating sleeve; 72. filtering with a screen; 73. a through hole; 8. a CDMA switching interface; 9. a damping pad; 10. and (6) magnetically attracting.

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.

As shown in fig. 1 and 2, a switching device for wireless communication of a railway dispatching system comprises: a housing 1 and an adapter plate 3;

four corners of the inner wall of the shell 1 are provided with screw pipes 13;

fastening screws 4 are arranged at four corners of the adapter plate 3;

the adapter plate 3 is fixed with the shell 1 through the screwing of the fastening screw 4 and the screw pipe 13;

the outer wall of the shell 1 is provided with a connector 2;

the inner wall of the shell 1 is respectively provided with a line concentration module 11, an over-current protection module 12 and a switching mainboard 14;

the lightning protection device also comprises a lightning protection module 15, wherein the lightning protection module 15 is arranged on the inner wall of the shell 1, and the lightning protection module 15 is electrically connected with the switching mainboard 14;

the adapter plate 3 is respectively provided with a 4G adapter port 5, a GSM adapter port 6 and a CDMA adapter port 8.

The working principle is as follows: the adapter plate 3 with proper specification is selected and embedded at the opening end of the shell 1, the adapter plate 1 and the adapter plate 3 are connected with the screw threads of the screw pipe 13 through the fastening screw 4 in a screwing mode, the 4G adapter port 5, the GSM adapter port 6 and the CDMA adapter port 8 are correspondingly connected according to the connection requirement of an actual antenna, the adapter mainboard 14 drives an adapter circuit after the antenna is connected, the adapter signal is input into the line concentration module 11, and finally the connector 2 is connected with wireless communication equipment to achieve the effect of wireless communication, the lightning protection module 15 and the overcurrent protection module 12 can play the roles of lightning protection and overcurrent protection on the adapter device, and the use safety of the adapter device is further improved.

As shown in fig. 3, still include telescopic sleeve 21, telescopic sleeve 21 screw-connects in the outer wall of connector 2 soon, the outer wall of telescopic sleeve 21 and the one end of keeping away from shell 1 are pasted and are had silica gel circle 22, and the thickness of silica gel circle 22 is less than telescopic sleeve 21's thickness, after connector 2 is connected with wireless communication equipment, rotatory telescopic sleeve 21, make and be close to wireless communication equipment and contact gradually, when the contact, silica gel circle 22 can be by extrusion deformation, thereby play sealed protection's effect to connector 2 and wireless communication equipment's junction, prevent that the spot from entering into both junctions and the phenomenon of taking place the pollution.

As shown in fig. 1 and 4, still include the sealed cowling 7, the quantity of sealed cowling 7 is three, three sealed cowling 7 all sets up on the keysets 3 and is located 4G switching mouth 5 respectively, the open end outer wall of GSM switching mouth 6 and CDMA switching mouth 8, the outer wall of three sealed cowling 7 has all wrapped up insulating cover 71, sealed cowling 7 can play sealed protection's effect to the switching mouth, prevent that the switching mouth from taking place the phenomenon of polluting or corroding under being in external environment for a long time, and insulating cover 71 can play the effect of anticreep protection to the antenna of switching mouth junction.

As shown in fig. 4, the antenna sealing device further includes a filter screen 72, the filter screen 72 is embedded in the inner wall of the opening end of the sealing cover 7, the filter screen 72 is of an elastic telescopic structure, a through hole 73 of a circular structure is formed in the center of the surface of the filter screen 72, the through hole 73 facilitates the insertion and connection of an antenna, and the filter screen 72 can perform relative sealing on the inner wall of the opening of the sealing cover 7 and is extruded and deformed according to whether the antenna is inserted into the sealing cover 7.

As shown in fig. 5, still include damping pad 9, damping pad 9's quantity is two, and two damping pads 9 all paste the outer wall of shell 1 and are located the both sides of connector 2 respectively, and the equal elastic connection of outer wall of two damping pads 9 has magnetism to inhale 10, and the absorption fixed action of 10 is inhaled to the cooperation magnetism, can increase the connection stability between switching device and the wireless communication equipment, prevents that wireless communication equipment from taking place the condition that switching device drops when receiving to rock the impact.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A switching device for wireless communication of a railway dispatching system is characterized by comprising: the device comprises a shell (1) and an adapter plate (3);

screw pipes (13) are arranged at four corners of the inner wall of the shell (1);

fastening screws (4) are arranged at four corners of the adapter plate (3);

the adapter plate (3) is fixed with the shell (1) through the screwing of the fastening screw (4) and the screw pipe (13);

the outer wall of the shell (1) is provided with a connector (2);

the inner wall of the shell (1) is respectively provided with a line concentration module (11), an over-current protection module (12) and a switching mainboard (14);

the adapter plate (3) is respectively provided with a 4G adapter port (5), a GSM adapter port (6) and a CDMA adapter port (8).

2. The switching device for the wireless communication of the railway dispatching system as claimed in claim 1, further comprising a lightning protection module (15);

the lightning protection module (15) is arranged on the inner wall of the shell (1);

the lightning protection module (15) is electrically connected with the switching main board (14).

3. The switching device for wireless communication of the railway dispatching system as claimed in claim 1, further comprising a telescopic sleeve (21);

the telescopic sleeve (21) is screwed on the outer wall of the connector (2) in a threaded manner;

the outer wall of the telescopic sleeve (21) is stuck with a silica gel ring (22) at one end far away from the shell (1), and the thickness of the silica gel ring (22) is smaller than that of the telescopic sleeve (21).

4. The switching device for wireless communication of railway dispatching system as claimed in claim 1, further comprising a sealing cover (7);

the number of the sealing covers (7) is three, and the three sealing covers (7) are all arranged on the adapter plate (3) and are respectively positioned on the outer walls of the opening ends of the 4G adapter port (5), the GSM adapter port (6) and the CDMA adapter port (8);

the outer walls of the three sealing covers (7) are wrapped by insulating sleeves (71).

5. The switching device for wireless communication of railway dispatching system as claimed in claim 4, further comprising a filter screen (72);

the filter screen (72) is embedded in the inner wall of the opening end of the sealing cover (7);

the filter screen (72) is of an elastic telescopic structure;

the center of the surface of the filter screen (72) is provided with a through hole (73) with a circular structure.

6. The switching device for wireless communication of railway dispatching system as claimed in claim 1, further comprising a damping pad (9);

the number of the damping cushions (9) is two, and the two damping cushions (9) are adhered to the outer wall of the shell (1) and are respectively positioned on two sides of the connector (2);

the outer walls of the two damping cushions (9) are elastically connected with a magnet (10).

Images