CN216083925U - Unmanned redundant acousto-optic alarm device for alertness of diesel locomotive - Google Patents
Unmanned redundant acousto-optic alarm device for alertness of diesel locomotive Download PDFInfo
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- CN216083925U CN216083925U CN202122663715.3U CN202122663715U CN216083925U CN 216083925 U CN216083925 U CN 216083925U CN 202122663715 U CN202122663715 U CN 202122663715U CN 216083925 U CN216083925 U CN 216083925U
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Abstract
The utility model discloses an unmanned redundant acousto-optic alarm device for an internal combustion locomotive, which comprises: the device comprises a power supply module and an audio input module; the device comprises an audio output module, an audio power amplifier chip, an interface unit, an alarm lamp driving module, a plurality of loudspeakers and a plurality of alarm lamps; the audio input module is connected with the audio power amplifier chip; the audio power amplifier chip is connected with the audio output module; the audio output module is connected with the alarm lamp driving module; the interface unit is connected with the circuit board; the loudspeaker and the alarm lamp are both connected with the circuit board. The utility model reminds a driver of the start of an unmanned alarm system by designing an unmanned alarm loudspeaker, and simultaneously adds an alarm lamp in the alarm system, so that an audio input signal is isolated and amplified by an audio power amplifier chip and then drives the loudspeaker and the alarm lamp simultaneously, and the unmanned alarm function of the diesel locomotive is realized by acousto-optic combined prompt. The reliability of unmanned alarm of the whole locomotive is improved.
Description
Technical Field
The utility model relates to the technical field of unmanned vigilance alarm of circuit locomotives, in particular to an unmanned vigilance redundancy acousto-optic alarm device of an internal combustion locomotive.
Background
The unattended alarm is a component of a locomotive alert system, which is used to monitor various devices on a driver console to determine whether the driver is on duty and in alert state. If the driver is found to be off duty or not in an alert state, the locomotive unattended system will activate an alarm. If the locomotive cannot be reset in time during the alarming period, punishment braking is started, and the reliability and the timeliness of the locomotive are seriously influenced.
Disclosure of Invention
The utility model provides an unmanned vigilant redundant acousto-optic alarm device for an internal combustion locomotive, which aims to solve the technical problem that the reliability and timeliness of the locomotive are influenced by starting punishment braking because the unmanned vigilant alarm cannot be reset in time during alarming.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a redundant reputation alarm device of unmanned vigilance of diesel locomotive, includes the display element, reputation alarm device include: the device comprises a power supply module and an audio input module; the device comprises an audio output module, an audio power amplifier chip, an interface unit, an alarm lamp driving module, a plurality of loudspeakers and a plurality of alarm lamps;
the power supply module is connected with an external power supply;
the power supply module, the audio input module, the audio output module, the audio power amplifier chip, the alarm lamp driving module, the loudspeaker and the alarm lamp are all integrated on the circuit board;
the audio input module is connected with the audio power amplifier chip;
the audio power amplifier chip is connected with the audio output module;
the audio output module is connected with the alarm lamp driving module;
the interface unit is connected with the circuit board;
the loudspeaker and the alarm lamp are connected with the circuit board and arranged outside the sound and light alarm device.
Furthermore, the power supply module comprises a power supply circuit, and the power supply circuit comprises a DC/DC isolation power supply module, a voltage stabilizing circuit, a first filter circuit and an anti-reverse diode;
the reverse connection preventing diode is connected with the power supply circuit;
the first filter circuit is connected with the reverse connection prevention diode;
the DC/DC isolation power supply module is connected with the first filter circuit;
the voltage stabilizing circuit is connected with the DC/DC isolation power supply module;
the reverse connection prevention diode is connected with an external power supply.
Further, the audio input module comprises a first audio input circuit/a second audio input circuit, and the first audio input circuit/the second audio input circuit comprises an audio input transformer and a second filter circuit;
the audio input transformer is connected with the display unit;
the audio input transformer is connected with the second filter circuit;
the second filter circuit is connected with the audio power amplifier chip.
Further, the audio output module comprises a first audio output circuit/a second audio output circuit, and the first audio output circuit/the second audio output circuit comprises a third filter circuit and an audio output transformer;
the third filter circuit is connected with the audio power amplifier chip;
the audio output transformer is connected with the third filter circuit.
Further, the alarm lamp driving module includes a first alarm lamp driving circuit/a second alarm lamp driving circuit; the first alarm lamp driving circuit/the second alarm lamp driving circuit is connected with the audio output transformer.
Furthermore, the power supply module further comprises a power supply operation indicating circuit, and the power supply operation indicating circuit is connected with the power supply circuit to drive a power supply indicating lamp arranged outside the sound-light alarm device.
Has the advantages that: according to the diesel locomotive unmanned alert redundant acousto-optic alarm device, an unmanned alert loudspeaker is designed to remind a driver of starting an unmanned alarm system, and an alarm lamp is added in the alarm system, so that an audio input signal is isolated and amplified through an audio power amplifier chip, then the loudspeaker and the alarm lamp are driven simultaneously, and the unmanned alert alarm function of the diesel locomotive is realized through acousto-optic combined prompting. The reliability of unmanned alarm of the whole locomotive is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system block diagram of an unmanned redundant audible and visual alarm device of the present invention;
FIG. 2 is a schematic diagram of a power supply circuit of the unattended redundant acousto-optic warning device of the utility model;
FIG. 3 is a schematic diagram of a first audio input circuit/a second audio input circuit of the unattended redundant audible and visual alarm device according to the present invention;
fig. 4 is a schematic diagram of a first audio output circuit/a second audio output circuit of the unattended redundant audible and visual alarm device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a redundant reputation alarm device of unmanned vigilance of diesel locomotive, including the display element, reputation alarm device include: the device comprises a power supply module, an audio input module, an audio output module, an audio power amplifier chip, an interface unit, an alarm lamp driving module, a plurality of loudspeakers and a plurality of alarm lamps;
the power supply module is connected with an external power supply;
the power supply module, the audio input module, the audio output module, the audio power amplifier module, the alarm lamp driving module, the loudspeaker and the alarm lamp are all integrated on the circuit board;
specifically, the power supply module comprises a power supply circuit; the power supply circuit is connected with the circuit board to provide power for the sound and light alarm device; preferably, the power supply circuit comprises a DC/DC isolation power supply module, a voltage stabilizing circuit, a first filter circuit and an anti-reverse diode; the reverse connection prevention diode is connected with the input end of the power supply circuit, so that when the positive electrode and the negative electrode are connected reversely, the whole device is protected; the first filter circuit is connected with the reverse connection prevention diode; the DC/DC isolation power supply module is connected with the first filter circuit; the voltage stabilizing circuit is connected with the DC/DC isolation power supply module; the anti-reverse diode is connected to an external power supply as shown in fig. 3. Specifically, the DC/DC isolation power supply module converts a storage battery power supply of the diesel locomotive into 5V, and supplies power to components of other subsequent circuits after passing through the voltage stabilizing circuit and the first filter circuit. The reverse connection preventing diode in this embodiment is a Fast Recovery Diode (FRD).
The power supply module also comprises a power supply operation indicating circuit; the power supply operation indicating circuit is connected with the power supply circuit to control the on-off state of the power supply indicating lamp and display whether the power supply circuit works normally or not through the power supply indicating lamp.
Specifically, the audio input module comprises a first audio input circuit and a second audio input circuit; the first audio input circuit/the second audio input circuit is connected with the circuit board so as to realize the coupling, filtering and isolation of audio input signals; preferably, the first/second audio input circuit comprises an audio input transformer and a second filter circuit; in the embodiment, the audio input transformer is connected to the display unit, and provides an audio input signal through the display unit to drive the audible and visual alarm device, and receives the input audio signal and is used for coupling the input audio signal, so that impedance matching of front and rear stages of the first audio input circuit/the second audio input circuit and isolation of the direct-current power supply circuit are realized; the audio input transformer is connected with the second filter circuit; the alternating current component in the input audio signal is reduced through the second filter circuit, the direct current component is reserved, the ripple coefficient of the output voltage is reduced, and the audio signal is smooth.
The second filter circuit is connected with the audio power amplifier chip; the audio power amplifier chip is electrically connected with the circuit board so as to amplify the audio signals output by the first audio input circuit and the second audio input circuit, improve the loading capacity of the audio power amplifier chip, and then output audio output signals through the first audio output circuit/the second audio output circuit;
the audio output module comprises a first audio output circuit and a second audio output circuit; the first audio output circuit/the second audio output circuit is connected with the circuit board so as to realize acousto-optic conversion, filtering and isolation of audio output signals; the first alarm lamp driving circuit/the second alarm lamp driving circuit is connected with the circuit board so as to drive the alarm lamp to work when the first audio input circuit/the second audio input circuit works; preferably, the first/second audio output circuit comprises a third filter circuit, an audio output transformer; the third filter circuit is connected with the audio power amplifier chip; the audio output transformer is connected with the third filter circuit; the third filter circuit is the same as the second filter circuit, can reduce alternating current components in the input audio signals and reserve direct current components thereof, so that the ripple coefficient of the output voltage is reduced, and the audio signals are smooth; the audio output transformer is used for coupling output audio signals to realize impedance matching of front and rear stages of the first audio output circuit/the second audio output circuit and isolation of direct current power supply circuits of the front and rear stages;
the alarm lamp driving module comprises a first alarm lamp driving circuit and a second alarm lamp driving circuit; the first alarm lamp driving circuit/the second alarm lamp driving circuit is connected with the audio output transformer; the first alarm lamp driving circuit/the second alarm lamp driving circuit can adjust the output audio signal to a frequency signal recognizable by the alarm lamp. Preferably, the alarm lamp in this embodiment is an LED lamp, and the alarm lamp can display whether the first audio input circuit/the second audio input circuit connected thereto is operating normally.
The interface unit is connected with the audio input module and is connected to the circuit board; the loudspeaker and the alarm lamp are connected with the circuit board.
Preferably, the interface unit in this embodiment adopts a terminal block; the circuit board is fixed with the metal casing through slide rail and baffle on the audible and visual alarm device shell (here belongs to the conventional operation in the field, therefore do not describe in detail), alarm lamp and power indicator, interface unit all adopt bolted connection to cover on the device, binding post row with alarm lamp and power indicator all connect in through the wire circuit board. The wiring terminal strip in this embodiment adopts double-deck terminal strip, falls into two-layer overall arrangement with the positive negative pole of each components and parts of alarm device, can avoid connecing the mistake.
Specifically, as shown in the attached drawings, in the present embodiment, each of the redundant acousto-optic warning devices for unmanned vigilance is an installation mode in which two sets of speakers for acousto-optic warning and two sets of warning lamps are provided by the display unit 1 and the display unit 2 respectively located in two driver rooms, specifically, the alarm lamp 1 and the speaker 1 are driven by the right channel of the display unit 1 in the redundant acousto-optic warning device for unmanned vigilance 1 in one driver room, the alarm lamp 2 and the speaker 2 are driven by the left channel of the display unit 2, the alarm lamp 3 and the speaker 3 are driven by the right channel of the display unit 2 in the redundant acousto-optic warning device for unmanned vigilance 2 in another driver room, the alarm lamp 4 and the speaker 4 are driven by the left channel of the display unit 1, and after audio signals input through the display unit 1 and the display unit 2 are isolated and amplified, the two sets of speakers and alarm lamps are driven at the same time, the function of alarming is realized through acousto-optic combined prompting. The driver can reset the unmanned vigilance system as long as hearing the loudspeaker or seeing the alarm lamp to flicker, and the reliability of the unmanned vigilance system is improved. The unmanned vigilance redundancy acousto-optic alarm device can lead a driver to timely find the start of unmanned vigilance alarm through an acousto-optic alarm combination mode because the driver probably does not hear the unmanned vigilance alarm sound because of the reasons of high noise of an internal combustion locomotive, failure or insufficient carrying capacity of a display unit, poor contact between the display unit and a loudspeaker and the like, thereby timely resetting the unmanned vigilance and avoiding punishment and braking of the locomotive; the reliability and the timeliness of the locomotive are affected.
Meanwhile, the acousto-optic alarm device in the embodiment has two sound channels, can be compatible with the input and output of two paths of audio signals at the same time, can receive the audio input of two sound channels of two display units or one display unit at the same time, and can drive two groups of loudspeakers and alarm lamps at the same time. As shown in fig. 2, the left channel which is not used by the cab display unit is introduced into the acousto-optic alarm device, so that even if the display unit at one end fails, the carrying capacity is insufficient or the contact of the loudspeaker is poor, the display unit at the other end can ensure the normal work of the unmanned vigilance system, and the fault tolerance of the unmanned vigilance system is improved. Meanwhile, the driver can conveniently and timely relieve the unmanned alarming, the phenomenon that the unmanned alarming device is not reset due to the fact that the driver hears the unmanned alarming sound is avoided, punishment braking of the locomotive is caused, unmanned alarming related faults and mechanical breakage are reduced, and the method has a good practical application effect.
Has the advantages that: according to the utility model, the alarm lamp is additionally arranged between the display unit and the loudspeaker, so that after the audio input signal is isolated and amplified through the audio power amplifier chip, the loudspeaker and the alarm lamp are simultaneously driven, and the unmanned warning function of the diesel locomotive is realized through acousto-optic combined prompt. On the other hand, the design of two sound channels of the first audio input circuit/the second audio input circuit and the first audio output circuit/the second audio output circuit can be compatible with the input and the output of two audio signals, so that the sound-light alarm device can simultaneously receive the audio input of two audio input modules (or two sound channels of one audio input module) and can also simultaneously drive two groups of loudspeakers and alarm lamps; the reliability of unmanned alarm of the whole locomotive is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a redundant reputation alarm device of unmanned vigilance of diesel locomotive, includes the display element, its characterized in that, reputation alarm device includes: the device comprises a power supply module and an audio input module; the device comprises an audio output module, an audio power amplifier chip, an interface unit, an alarm lamp driving module, a plurality of loudspeakers and a plurality of alarm lamps;
the power supply module is connected with an external power supply;
the power supply module, the audio input module, the audio output module, the audio power amplifier chip, the alarm lamp driving module, the loudspeaker and the alarm lamp are all integrated on the circuit board;
the audio input module is connected with the audio power amplifier chip;
the audio power amplifier chip is connected with the audio output module;
the audio output module is connected with the alarm lamp driving module;
the interface unit is connected with the circuit board;
the loudspeaker and the alarm lamp are connected with the circuit board and arranged outside the sound and light alarm device.
2. The unmanned redundant acousto-optic warning device for the internal combustion locomotive according to claim 1, characterized in that the power supply module comprises a power supply circuit, and the power supply circuit comprises a DC/DC isolated power supply module, a voltage stabilizing circuit, a first filter circuit and an anti-reverse diode;
the reverse connection preventing diode is connected with the power supply circuit;
the first filter circuit is connected with the reverse connection prevention diode;
the DC/DC isolation power supply module is connected with the first filter circuit;
the voltage stabilizing circuit is connected with the DC/DC isolation power supply module;
the reverse connection prevention diode is connected with an external power supply.
3. The unmanned redundant acousto-optic warning device for the internal combustion locomotive according to claim 1, wherein the audio input module comprises a first audio input circuit/a second audio input circuit, and the first audio input circuit/the second audio input circuit comprises an audio input transformer and a second filter circuit;
the audio input transformer is connected with the display unit;
the audio input transformer is connected with the second filter circuit;
the second filter circuit is connected with the audio power amplifier chip.
4. The unmanned redundant acousto-optic warning device for the diesel locomotive according to claim 1, wherein the audio output module comprises a first audio output circuit/a second audio output circuit, and the first audio output circuit/the second audio output circuit comprises a third filter circuit and an audio output transformer;
the third filter circuit is connected with the audio power amplifier chip;
the audio output transformer is connected with the third filter circuit.
5. The unmanned redundant acousto-optic warning device for the diesel locomotive according to claim 4, characterized in that the warning lamp driving module comprises a first warning lamp driving circuit/a second warning lamp driving circuit; the first alarm lamp driving circuit/the second alarm lamp driving circuit is connected with the audio output transformer.
6. The unmanned redundant acousto-optic warning device for the internal combustion locomotive according to claim 2, wherein the power supply module further comprises a power operation indicating circuit, and the power operation indicating circuit is connected with the power supply circuit to drive a power indicator lamp arranged outside the acousto-optic warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663715.3U CN216083925U (en) | 2021-11-02 | 2021-11-02 | Unmanned redundant acousto-optic alarm device for alertness of diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663715.3U CN216083925U (en) | 2021-11-02 | 2021-11-02 | Unmanned redundant acousto-optic alarm device for alertness of diesel locomotive |
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| Publication Number | Publication Date |
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| CN216083925U true CN216083925U (en) | 2022-03-18 |
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| CN202122663715.3U Active CN216083925U (en) | 2021-11-02 | 2021-11-02 | Unmanned redundant acousto-optic alarm device for alertness of diesel locomotive |
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- 2021-11-02 CN CN202122663715.3U patent/CN216083925U/en active Active
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