Environment-friendly whistle-limiting warning device for railway locomotives and rail cars

Abstract

The invention belongs to the technical field of loudspeaking warning devices, and particularly relates to a railway locomotive and rail car environment-friendly whistle-limiting warning device which comprises a host control box, a wiring terminal is arranged on one side of the host control box, and an electromagnetic shielding layer is fixedly installed on the inner surface of the host control box. Positioning assemblies for extruding a cable connected to the wiring terminal are arranged on the host control box on the two sides of the wiring terminal; the positioning assembly comprises transverse plates, the transverse plates are fixedly installed on the host control box on the two sides of the wiring terminal, a plurality of electric push rods are fixedly installed at the opposite ends of the two transverse plates, and push rods of the electric push rods penetrate through the transverse plates to be fixedly provided with extrusion plates. The GJLY-1 locomotive loudspeaking warning indicator is high in integration, convenient to install and use and stable and reliable in work during operation, and interference of external electromagnetism on the GJLY-1 locomotive loudspeaking warning indicator can be avoided through the electromagnetic shielding layer and the positioning assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of loudspeaker warning devices, and specifically to an environmental protection limited sound warning device for railway locomotives and railcars. Background Art

[0002] The GJLY-1 locomotive loudspeaker warning device is a loudspeaker warning device designed specifically for locomotives, mainly used to provide a warning function during the maintenance operation and running process of locomotives entering and leaving the depot. The device emits sound through a loudspeaker to remind the personnel within 30 meters around the railway center line to pay attention to safety and prevent accidents.

[0003] However, when the existing GJLY-1 locomotive loudspeaker warning device is operating, there may be a phenomenon of being interfered by external electromagnetic fields. If interfered, it will affect the use stability of the GJLY-1 locomotive loudspeaker warning device. Therefore, an environmental protection limited sound warning device for railway locomotives and railcars is invented. Summary of the Invention

[0004] To solve the above technical problems, according to one aspect of the present invention, the following technical solutions are provided:

[0005] An environmental protection limited sound warning device for railway locomotives and railcars, which includes a main control box. One side of the main control box is provided with a wiring terminal, and an electromagnetic shielding layer is fixedly installed on the inner surface of the main control box. A positioning component for squeezing the cables connected to the wiring terminal is provided on the main control box on both sides of the wiring terminal;

[0006] The positioning component includes a cross plate. Cross plates are fixedly installed on the main control box on both sides of the wiring terminal. A plurality of electric push rods are fixedly installed at the opposite ends of the two cross plates, and the push rods of the electric push rods pass through the cross plates and are fixedly installed with pressing plates.

[0007] As a preferred solution of the environmental protection limited sound warning device for railway locomotives and railcars of the present invention, wherein: rubber pads are fixedly installed at the opposite ends of the two pressing plates to be able to protect the cables.

[0008] As a preferred solution of the environmental protection limited sound warning device for railway locomotives and railcars of the present invention, wherein: a DC / DC switching power supply and an amplifier are provided in the main control box. The DC / DC switching power supply is connected to the amplifier, and the amplifier is connected to the wiring terminal. A loudspeaker and a button switch are connected to the wiring terminal.

[0009] As a preferred embodiment of the environmental protection limited sound warning device for railway locomotives and railcars of the present invention, the following is provided: On the other side of the main control box, there are a fuse and a power switch. The power switch is connected to the DC / DC switching power supply, and there is a fuse on the wire connecting the DC / DC switching power supply and the power switch.

[0010] As a preferred embodiment of the environmental protection limited sound warning device for railway locomotives and railcars of the present invention, the following is provided: On the terminal block, there are connection ports a, b, c, d, e, and f. The connection ports a, b, c, d, e, and f are arranged in sequence from left to right, and there are pressing plates on both sides of the connection ports a, b, c, d, e, and f.

[0011] As a preferred embodiment of the environmental protection limited sound warning device for railway locomotives and railcars of the present invention, the following is provided: The connection port a is connected to the positive pole of the V DC power supply, the connection port b is connected to the negative pole of the V DC power supply, and the connection ports a and b are connected to the power switch.

[0012] As a preferred embodiment of the environmental protection limited sound warning device for railway locomotives and railcars of the present invention, the following is provided: Both the connection port c and the connection port d are connected to a group of speakers, and the connection ports e and f are connected to the push-button switch.

[0013] Compared with the prior art:

[0014] The GJLY-1 locomotive loudspeaker warning device of the present invention not only has high integration and is convenient for installation and use, but also operates stably and reliably during operation. It can avoid interference from external electromagnetic fields to the GJLY-1 locomotive loudspeaker warning device through the electromagnetic shielding layer and the positioning component. In addition, it has a low failure rate, simple maintenance, easy operation, and has the advantage of installation and operation under complex conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view schematic diagram of the main control box of the present invention;

[0016] Figure 2 It is a front view schematic diagram of the main control box of the present invention;

[0017] Figure 3 It is a front view schematic diagram of the speaker of the present invention;

[0018] Figure 4 It is a schematic diagram of the internal principle of the main control box of the present invention;

[0019] Figure 5 It is a sectional view schematic diagram of the main control box of the present invention.

[0020] In the figure: main control box 10, fuse 11, power switch 12, terminal block 13, loudspeaker 20, electromagnetic shielding layer 30, horizontal plate 40, electric push rod 41, extrusion plate 42, rubber pad 43. Specific embodiments

[0021] To make the objectives, technical solutions and advantages of the present invention clearer, the following will further describe in detail the embodiments of the present invention with reference to the accompanying drawings.

[0022] The present invention provides an environmental protection limited horn warning device for railway locomotives and rail cars. Please refer to Figures 1 - 5 which includes a main control box 10. A terminal block 13 is provided on one side of the main control box 10. An electromagnetic shielding layer 30 is fixedly installed on the inner surface of the main control box 10. The material of the electromagnetic shielding layer 30 includes but is not limited to aluminum or copper. A positioning component for extruding the cable connected to the terminal block 13 is provided on the main control box 10 on both sides of the terminal block 13;

[0023] The positioning component includes a horizontal plate 40. The horizontal plate 40 is fixedly installed on the main control box 10 on both sides of the terminal block 13. A plurality of electric push rods 41 are fixedly installed at the opposite ends of the two groups of horizontal plates 40. The push rod of the electric push rod 41 passes through the horizontal plate 40 and fixedly installs an extrusion plate 42. Rubber pads 43 are fixedly installed at the opposite ends of the two groups of extrusion plates 42 to protect the cable.

[0024] A DC / DC switching power supply and an amplifier are provided in the main control box 10. The DC / DC switching power supply is connected to the amplifier, and the amplifier is connected to the terminal block 13. A loudspeaker 20 and a push button switch are connected to the terminal block 13. A fuse 11 and a power switch 12 are provided on the other side of the main control box 10. The power switch 12 is connected to the DC / DC switching power supply. A fuse 11 is provided on the wire connecting the DC / DC switching power supply and the power switch 12; wherein, a label with a schematic diagram of the principle can be set at the power switch 12 according to requirements.

[0025] The wiring terminal 13 is provided with a wiring port a, a wiring port b, a wiring port c, a wiring port d, a wiring port e, and a wiring port f, and the wiring port a, the wiring port b, the wiring port c, the wiring port d, the wiring port e, and the wiring port f are arranged in sequence from left to right, and an extrusion plate 42 is arranged on both sides of the wiring port a, the wiring port b, the wiring port c, the wiring port d, the wiring port e, and the wiring port f. The wiring port a is connected to the positive pole of the 110V DC power supply, the wiring port b is connected to the negative pole of the 110V DC power supply, and the wiring port a and the wiring port b are connected to the power switch 12, the wiring port c and the wiring port d are both connected to a group of speakers 20, and the wiring port e and the wiring port f are connected to the button switch; wherein, a label with an access icon thereon can be set at the wiring port according to needs.

[0026] In specific use, first connect the 110V DC power supply to the wiring port a and the wiring port b, then connect the speaker 20 to the wiring port c and the wiring port d, and finally connect the button switch to the wiring port e and the wiring port f. After the connection is completed, the speaker alarm system can be operated; wherein, after the cable is connected to the wiring port, the electric push rod 41 will cause the squeezing plate 42 to squeeze the cable through the rubber pad 43 to prevent the cable from loosening. If the cable is loose, electromagnetic interference will be caused due to poor contact of the cable.

[0027] The installation instructions of the present invention are as follows:

[0028] 1. Push button switch installation position selection:

[0029] For existing locomotives, the push button switch can be the treble bagpipe button in the middle of the cab console, or a new button can be installed by drilling a hole to the left of the original bagpipe button on the locomotive;

[0030] 2. Host control box installation location selection:

[0031] The host control box can be installed in the power distribution cabinet on the operator's cab;

[0032] 3. Speaker installation location selection

[0033] The speaker can be installed on the back of the snowmobile at both ends of the locomotive, facing forward; the wiring method is to lift up the floor on the co-driver's side of the driver's cab respectively, and there is a locomotive drain outlet on the left side near the co-driver's seat, and the speaker wiring is laid through the locomotive drain outlet; all connecting wires must be laid in a standardized and neat manner and properly tied.

[0034] The specific instructions for use of the present invention are as follows:

[0035] 1. After the components of this vehicle loudspeaker warning device are wired, it can be used after connecting to 110V DC power supply;

[0036] 2. During train operation, press the electric horn button to sound the horn;

[0037] 3. After starting the locomotive warning siren, if it is found that the DC voltage is lower than 70V, the power switch must be turned off immediately, and then the power switch is turned on again to restart the locomotive warning siren.

[0038] The troubleshooting instructions for the present invention are as follows:

[0039] 1. When a power failure occurs, the power indicator light does not light up;

[0040] 2. If the power supply is normal and there is no sound when the speaker button switch is pressed after starting the locomotive warning siren, the button circuit and the speaker circuit should be checked;

[0041] 3. During train operation, if a grounding fault occurs, disconnect the power switch on the control box (the power switch is a two-way control and is separated from the locomotive power supply after disconnection), and then return to the factory for repair.

[0042] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present invention can be combined with each other in any way, and the exhaustive description of these combinations is omitted in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. An environmentally friendly limited sound warning device for railway locomotives and rail vehicles, comprising a main engine control box (10), characterized in that: A connection terminal (13) is provided on one side of the host control box (10); an electromagnetic shielding layer (30) is fixedly installed on the inner surface of the host control box (10); and positioning components for squeezing cables connected to the connection terminal (13) are provided on the host control box (10) located on both sides of the connection terminal (13); The positioning assembly comprises a transverse plate (40) which is fixedly mounted on the host control box (10) located on both sides of the wiring terminal (13); a plurality of electric push rods (41) are fixedly mounted on the opposite ends of the two groups of the transverse plates (40); the push rods of the electric push rods (41) pass through the transverse plate (40) and are fixedly mounted on a squeezing plate (42).

2. The environmentally friendly limited sound warning device for railway locomotives and rail cars according to claim 1, characterized in that: Rubber pads (43) are fixedly mounted on opposite ends of the two groups of extrusion plates (42) to protect the cables.

3. The environmentally friendly limited sound warning device for railway locomotives and rail cars according to claim 1, characterized in that: The host control box (10) is provided with a DC / DC switching power supply and an amplifier, the DC / DC switching power supply is connected to the amplifier, and the amplifier is connected to a wiring terminal (13), and the wiring terminal (13) is connected to a speaker (20) and a button switch.

4. The environmentally friendly limited sound warning device for railway locomotives and rail cars according to claim 3, characterized in that: A fuse (11) and a power switch (12) are provided on the other side of the host control box (10); the power switch (12) is connected to the DC / DC switching power supply; and a fuse (11) is provided on the wire connecting the DC / DC switching power supply and the power switch (12).

5. The environmentally friendly limited sound warning device for railway locomotives and rail cars according to claim 4, characterized in that: The connection terminal (13) is provided with a connection port a, a connection port b, a connection port c, a connection port d, a connection port e, and a connection port f, and the connection port a, the connection port b, the connection port c, the connection port d, the connection port e, and the connection port f are arranged in sequence from left to right, and an extrusion plate (42) is provided on both sides of the connection port a, the connection port b, the connection port c, the connection port d, the connection port e, and the connection port f.

6. The environmentally friendly limited sound warning device for railway locomotives and rail cars according to claim 5, characterized in that: The connection port a is connected to the positive pole of a 110V DC power supply, the connection port b is connected to the negative pole of a 110V DC power supply, and the connection port a and the connection port b are connected to a power switch (12).

7. The environmentally friendly limited sound warning device for railway locomotives and rail cars according to claim 6, characterized in that: The connection port c and the connection port d are both connected to a group of speakers (20), and the connection port e and the connection port f are connected to the button switch.

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