Voice broadcasting system and method for motor train unit

By introducing custom rules to determine the operating status and function of the EMU voice broadcast system, the problem of the inability to realize temporary parking broadcasting and lack of modular design in the existing technology is solved, and the support of multiple broadcast scenarios is achieved and broadcast stability in emergencies.

CN119305601APending Publication Date: 2025-01-14HEBEI WANGMING ELECTRONIC EQUIP MFG CO LTD
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Patent Information

Application Number
CN202411294573.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-01-14

AI Technical Summary

Technical Problem

The existing EMU voice broadcasting system cannot realize automatic broadcasting of temporary parking and other states, and lacks functional modular design, so it cannot distinguish different application scenarios.

Method used

A EMU voice broadcast system is designed, including a service system, a broadcast system and a display module. It judges the operating status of the EMU through custom rules to generate an automatic broadcast signal, and triggers broadcast through a functional modular broadcast system to ensure that it is in different scenarios. Accurate report.

Benefits of technology

It realizes support for multiple automatic voice broadcast scenarios, ensuring that passengers receive accurate information in different states, and ensuring the normal operation of the broadcast function in emergencies.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention provides a motor train unit voice broadcast system and method, and the method comprises a service system which is used for judging the operation state of a motor train unit according to a user-defined rule, generating an automatic broadcast signal, or manually generating a manual broadcast signal; the broadcasting system is used for receiving an automatic broadcasting signal or a manual broadcasting signal and triggering broadcasting; and the display module is used for displaying the characters corresponding to the broadcast in a display screen of each compartment of the motor train unit. According to the method, the running state of the motor train unit is judged through the custom rule, the automatic broadcast signal is generated according to the running state, and various automatic voice broadcast scenes can be met.
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Description

Technical Field

[0001] The present invention relates to the technical field of voice broadcasting, and in particular to a motor vehicle group voice broadcasting system and method. Background Art

[0002] In the field of voice broadcast technology, automatic voice broadcasting on trains is used to provide passengers with train-related information and services. The information is played to passengers in voice form through pre-recorded voice clips or synthesis technology.

[0003] In the related technology, the automatic voice broadcast of EMU mainly includes train arrival information, train departure information and other service prompt information. The departure or arrival of the train is easy to identify, such as comparing the time, etc., to determine that the train is about to arrive at the station, but this method cannot realize the automatic broadcast of temporary parking and other status; in addition, the design of the EMU voice broadcast system only distinguishes between software and hardware, and cannot distinguish between various application scenarios, and lacks the design concept of functional modularization.

[0004] Based on the above analysis of the development status of this technology field, the existing technology lacks a solution that uses complex custom rules to determine and automatically broadcast a variety of parking scenarios, and uses functional design to trigger broadcasts. Summary of the invention

[0005] The purpose of the present invention is to provide a train group voice broadcast system and method, aiming to solve the above problems in the prior art.

[0006] According to a first aspect of an embodiment of the present invention, a train group voice announcement system is provided, comprising:

[0007] The service system is used to determine the running status of the EMU according to user-defined rules and generate automatic broadcast signals, or manually generate artificial broadcast signals;

[0008] A broadcasting system, used to receive automatic broadcasting signals or manual broadcasting signals and trigger broadcasting;

[0009] The display module is used to display the text corresponding to the broadcast on the display screen of each carriage of the EMU.

[0010] According to a second aspect of an embodiment of the present invention, a method for voice broadcasting of a train set is provided, comprising:

[0011] The service system determines the running status of the EMU according to the custom rules and generates automatic broadcast signals, or manually generates artificial broadcast signals;

[0012] Receive automatic broadcast signals or manual broadcast signals through the broadcasting system and trigger the broadcast;

[0013] The text corresponding to the broadcast is displayed on the display screen of each carriage of the EMU through the display module.

[0014] The technical solution provided by the embodiment of the present invention includes the following beneficial effects: judging the running status of the EMU through customized rules, generating an automatic broadcast signal according to the running status, and being able to meet various scenarios of automatic voice broadcasting.

[0015] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate one or more embodiments of this specification or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this specification. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 is a schematic diagram of a train multiple unit voice broadcast system according to an embodiment of the present invention;

[0018] Figure 2 It is a flow chart of the EMU voice broadcast method according to an embodiment of the present invention. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solutions in one or more embodiments of this specification, the technical solutions in one or more embodiments of this specification will be clearly and completely described below in conjunction with the drawings in one or more embodiments of this specification. Obviously, the described embodiments are only part of the embodiments of this specification, not all of them. Based on one or more embodiments of this specification, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this document.

[0020] System Example

[0021] According to an embodiment of the present invention, a train voice announcement system is provided. Figure 1 Schematic diagram of the train voice broadcast system of the embodiment of the present invention. Figure 1 As shown, the EMU voice broadcast system according to an embodiment of the present invention specifically includes:

[0022] The service system 10 is used to determine the running status of the EMU according to the custom rules, generate an automatic broadcast signal, or manually generate an artificial broadcast signal;

[0023] The service system 10 specifically includes: a service train host module and a service train operation screen module, wherein:

[0024] The service train host module is used to obtain the current speed value and position information of the EMU in real time, and based on the speed value and position information, determine whether the conditions for automatic broadcasting are met according to custom rules. If so, a corresponding automatic broadcast signal is generated;

[0025] The service train host module is specifically used for:

[0026] The speed value and position information of the EMU are obtained through the Beidou antenna device on the top of the EMU car, and the data is processed by the CPU inside the service host module. When the speed value is close to zero, the position information is compared with the longitude and latitude data of the station stored in the central processor database of the service train host module, and the corresponding automatic broadcast signal is generated according to the comparison result.

[0027] In addition, the service train host module uses the Linux / Windows operating system and has a storage capacity of no less than 128G. It can perform program upgrades, database uploads, log downloads, etc. through its USB2.0 interface. The service train host module realizes data interaction with the train network system through the RS485 interface.

[0028] The service train operation screen module is used to generate manual broadcast signals by obtaining screen click information. Manual station announcements can be made by clicking on the software operation interface on the operation screen. In addition, the service train operation screen module is also used to realize the manual display of various information of the EMU.

[0029] Custom rules include:

[0030] When the speed value is close to zero, if the location information is within the distance threshold range of the station's longitude and latitude data, an automatic station announcement signal is generated;

[0031] When the speed value approaches zero, if the location information is not within the distance threshold range of the station's longitude and latitude data, a temporary stop signal is generated.

[0032] The broadcasting system 12 is used to receive automatic broadcasting signals or manual broadcasting signals and trigger broadcasting, and is specifically used to trigger broadcasting in each car through a centralized power amplifier unit with a modular functional design.

[0033] The rated voltage of the centralized power amplifier unit is DC110V, which can adapt to the voltage variation range of DC77V-DC137.5V. The centralized power amplifier unit specifically includes: power module, control transmission module and amplification module, among which,

[0034] The power module is used to supply power to the broadcasting system. The power module specifically includes: a battery power supply group to ensure that the train's manual broadcasting function is normal in an emergency;

[0035] The control transmission module is used to determine the processing priority of the received broadcast signal according to the priority judgment rule, determine the broadcast signal that needs to be broadcast currently according to the processing priority, and send the broadcast signal to the car controller of each car according to each transmission route;

[0036] The priority judgment rules specifically include: when different types of broadcast signals are received at the same time, the manual broadcast signal has the first priority, the automatic broadcast signal has the second priority, and the call with a high priority can be forcibly disconnected from the call with a low priority;

[0037] During automatic broadcasting, the electrical characteristics of the audio signal output by the service system 10 to the centralized power amplifier unit refer to the UIC568 ​​standard, with an effective value of 2V. During manual broadcasting, the DC24V voltage on the signal line is controlled;

[0038] The sound amplification module is used to obtain the broadcast signal in the car controller and broadcast the broadcast signal through the speakers in each car inside the sound amplification module. A sufficient number of speakers are evenly set in each car.

[0039] The memory capacity of the broadcasting system 12 can meet the storage needs of voice files not less than 16G. The broadcasting system 12 is triggered by the service system 10, and the number of broadcasts is determined by a pre-edited line database.

[0040] The display module 14 is used to display the text corresponding to the broadcast on the display screen of each carriage of the EMU, and is specifically used to: scroll and display the text on the display screen in synchronization with the audio played by the speaker. In addition to displaying the broadcast text, the display module 14 also displays vehicle information to people outside the vehicle, including the train number, carriage number, departure station and terminal station, etc.

[0041] To sum up, in response to the existing problems, the EMU voice broadcast system invented this time is divided into a service system, a broadcast system and a display module. The service system determines the operating status of the EMU through custom rules, and generates an automatic broadcast signal according to the operating status, which can meet a variety of automatic voice broadcast scenarios; in the broadcast system, the centralized power amplifier unit with a functional modular design triggers the broadcast in each car. The centralized power amplifier module adopts a functional modular design and is divided into a power module, a control transmission module and a sound amplification module to meet the application requirements of different occasions. The power module is composed of a battery pack to ensure voice broadcast in emergency situations; the display module keeps synchronization with the speaker playing audio and scrolls text on the display screen to ensure that passengers receive information.

[0042] Method Embodiment

[0043] According to an embodiment of the present invention, a method for voice broadcasting of a train set is provided. Figure 2 Flowchart of the train group voice broadcast method according to an embodiment of the present invention. Figure 2As shown, the train group voice broadcast method according to an embodiment of the present invention specifically includes:

[0044] In step S210, the service system determines the running status of the EMU according to the custom rules, generates an automatic broadcast signal, or manually generates an artificial broadcast signal, which specifically includes:

[0045] The service system specifically includes: a service train host module and a service train operation screen module, wherein:

[0046] The service train host module is used to obtain the current speed value and position information of the EMU in real time, and based on the speed value and position information, determine whether the conditions for automatic broadcasting are met according to custom rules. If so, a corresponding automatic broadcast signal is generated;

[0047] The service train operation screen module is used to generate artificial broadcast signals by obtaining screen click information.

[0048] The service train host module is specifically used for:

[0049] The speed and position information of the EMU are obtained through the Beidou antenna device on the roof of the EMU. When the speed value is close to zero, the position information is compared with the longitude and latitude data of the station stored in the central processor database of the service train host module, and the corresponding automatic broadcast signal is generated according to the comparison result.

[0050] Custom rules include:

[0051] When the speed value is close to zero, if the location information is within the distance threshold range of the station's longitude and latitude data, an automatic station announcement signal is generated;

[0052] When the speed value approaches zero, if the location information is not within the distance threshold range of the station's longitude and latitude data, a temporary stop signal is generated.

[0053] In step S220, an automatic broadcast signal or a manual broadcast signal is received through the broadcast system and the broadcast is triggered, specifically including: triggering the broadcast in each car through a centralized power amplifier unit with a functional modular design.

[0054] The centralized power amplifier unit specifically includes: a power supply module, a control transmission module and a sound amplification module, among which:

[0055] The power module is used to supply power to the broadcasting system, and the power module specifically includes: a battery power supply group;

[0056] The control transmission module is used to determine the processing priority of the received broadcast signal according to the priority judgment rule, determine the broadcast signal that needs to be broadcast currently according to the processing priority, and send the broadcast signal to the car controller of each car according to each transmission route;

[0057] The priority judgment rule specifically includes: when different types of broadcast signals are received at the same time, the manual broadcast signal has the first priority and the automatic broadcast signal has the second priority;

[0058] The sound amplification module is used to obtain the broadcast signal in the car controller and broadcast the broadcast signal through the speakers of each car inside the sound amplification module.

[0059] In step S230, the text corresponding to the broadcast is displayed on the display screen of each carriage of the EMU through the display module.

[0060] To sum up, in response to the existing problems, this invention proposes a method for voice broadcasting of EMUs. The method is implemented through the EMU voice broadcasting system, which is divided into a service system, a broadcasting system and a display module. The service system determines the operating status of the EMU through custom rules, and generates an automatic broadcasting signal according to the operating status, which can meet a variety of automatic voice broadcasting scenarios; in the broadcasting system, a centralized power amplifier unit with a functional modular design triggers the broadcast in each car. The centralized power amplifier module adopts a functional modular design and is divided into a power module, a control transmission module and a sound amplification module to meet the application requirements of different occasions. The power module is composed of a battery pack to ensure voice broadcasting in emergency situations; the display module keeps synchronization with the speaker playing audio and scrolls text on the display screen to ensure that passengers receive information.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A train voice broadcast system, characterized in that: include: The service system is used to determine the running status of the EMU according to user-defined rules and generate automatic broadcast signals, or manually generate artificial broadcast signals; A broadcasting system, used for receiving the automatic broadcasting signal or the manual broadcasting signal and triggering the broadcasting; The display module is used to display the text corresponding to the broadcast on the display screen of each carriage of the EMU.

2. The system according to claim 1, characterized in that The service system specifically includes: a service train host module and a service train operation screen module, wherein: The service train host module is used to obtain the speed value and position information of the current running of the EMU in real time, and based on the speed value and the position information, judge whether the automatic broadcast condition is met according to the custom rule, and if so, generate a corresponding automatic broadcast signal; The service train operation screen module is used to generate an artificial broadcast signal by acquiring screen click information.

3. The system according to claim 2, characterized in that The service train host module is specifically used for: The speed value and position information of the EMU are obtained through the Beidou antenna device on the roof of the EMU. When the speed value is close to zero, the position information is compared with the station longitude and latitude data stored in the central processor database of the service train host module, and a corresponding automatic broadcast signal is generated according to the comparison result.

4. The system according to claim 3, characterized in that The custom rules specifically include: When the speed value is close to zero, if the location information is within the distance threshold range of the longitude and latitude data of the station, an automatic station announcement signal is generated; When the speed value approaches zero, if the location information is not within a distance threshold range of the longitude and latitude data of the site, a temporary parking signal is generated.

5. The system according to claim 1, characterized in that The broadcasting system is specifically used to trigger the broadcasting in each car through a centralized power amplifier unit with a modular functional design.

6. The system according to claim 5, characterized in that The centralized power amplifier unit specifically includes: a power supply module, a control transmission module and a sound amplification module, wherein: The power module is used to supply power to the broadcasting system; The control transmission module is used to determine the processing priority of the received broadcast signal according to the priority judgment rule, determine the broadcast signal that needs to be broadcast currently according to the processing priority, and send the broadcast signal to the car controller of each car according to each transmission route; The sound amplification module is used to obtain the broadcast signal in the car controller and broadcast the broadcast signal through the speakers of each car inside the sound amplification module.

7. The system according to claim 6, characterized in that The power supply module specifically includes: a battery power supply group.

8. The system according to claim 6, characterized in that The priority judgment rule specifically includes: when different types of broadcast signals are received simultaneously, the manual broadcast signal has a first priority, and the automatic broadcast signal has a second priority.

9. The system according to claim 6, characterized in that The display module is specifically used to scroll and display text on the display screen in synchronization with the audio played by the speaker.

10. A method for voice broadcasting of a train set, characterized in that: For the EMU voice broadcast system according to any one of claims 1 to 9, the method specifically comprises: The service system determines the running status of the EMU according to user-defined rules and generates automatic broadcast signals, or manually generates manual broadcast signals; Receiving the automatic broadcast signal or the manual broadcast signal through a broadcast system and triggering broadcasting; The text corresponding to the broadcast is displayed on the display screen of each carriage of the EMU through the display module.