Intelligent communication equipment for locomotive

Abstract

The utility model relates to the technical field of locomotive communication, and provides locomotive intelligent communication equipment, which broadcasts'passing signals' through a vehicle-mounted safety data terminal in a text and voice manner, simultaneously sends instructions to noise reduction pickup equipment and an offline voice recognition host, begins to recognize the calling of a steward, and sends the calling information of the steward within a limited time. If the steward finishes the specified call response, the vehicle-mounted safety data terminal can perform recitation and record that the call response is normal; if the steward does not call and respond according to the specification, the system prompts by voice and characters again, and after three continuous times, the system calls and responds to record that the steward does not call and respond according to the specification, so that the problems that whether the response of the steward conforms to the specification or not cannot be ensured, and the design cannot perform noise reduction processing on the response environment of the communicator are solved; and the received response is easily influenced by noise, so that the communication quality is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of locomotive communication, and in particular to a locomotive intelligent communication device. Background Art

[0002] Railway mobile communication is a special radio communication for railway staff between fixed points and mobile points or between mobile points. It mainly includes train radio communication, station radio communication, radio alarm device, and other radio communication used by railway staff. Railway mobile communication is an indispensable means of communication to ensure driving safety, prevent operational accidents, improve transportation efficiency, speed up locomotive turnover, and improve service quality. It is an important part of railway communication.

[0003] After searching, the announcement number CN200959133Y discloses a device for locomotive voice recording and communication, which belongs to the field of locomotive equipment technology. The device includes: a monitoring and recording device for sending locomotive voice signals and real-time communication information; a recording device for collecting the above-mentioned locomotive voice signals and real-time communication information, and converting the collected voice communication analog signals into digital signals, encoding and compressing the digital signals and storing them, and storing the received real-time communication information; a dump device for synthesizing and processing the above-mentioned stored information and dumping it; a computer for storing, playing and retrieving the dumped information. The device of this utility model can use various types of U disks to transfer voice data. In conjunction with a computer, voice data can be managed effectively and conveniently. Users only need to take a U disk to transfer data from the train to the PC, which is very simple and convenient.

[0004] However, the above-mentioned device for locomotive voice recording and communication cannot check the content of the crew's communication response, and thus cannot ensure whether the crew's response is compliant. At the same time, the design cannot perform noise reduction processing on the communicator's response environment, which makes the received response easily affected by noise, resulting in a decrease in communication quality. Utility Model Content

[0005] The utility model proposes a locomotive intelligent communication device, which solves the problem that the prior art cannot ensure whether the crew's response is compliant. At the same time, the design cannot perform noise reduction processing on the communicator's response environment, which makes the received response easily affected by noise, resulting in reduced communication quality.

[0006] The technical solution of the utility model is as follows: a locomotive intelligent communication device, including a communication component, wherein the communication component is composed of a communication panel and a vehicle-mounted safety data terminal installed inside the communication panel, a vehicle-mounted wireless transmission device, a noise reduction pickup device and an offline voice recognition host.

[0007] Preferably, the communication component further comprises a comment slot, and the comment slot is opened on the top of the communication panel.

[0008] Preferably, the communication component further comprises a side bottom plate, and the side bottom plate is fixedly connected to the bottom of the communication panel.

[0009] Preferably, the communication component further comprises through slots, and the through slots are formed into two groups and symmetrically penetrate through and are opened on both sides of the side bottom plate.

[0010] Preferably, the communication component further comprises two groups of access ports, which are fixedly connected to the back of the communication panel and communicate with the inside of the communication panel.

[0011] Preferably, the communication component further comprises an opening and closing cover, and the opening and closing cover is arranged at the bottom groove of the side bottom plate.

[0012] Preferably, the communication component further comprises bolts, and the bolts match the threaded grooves penetrating around the opening and closing cover and the threaded grooves around the bottom of the side bottom plate.

[0013] Preferably, the opening and closing cover is threadedly connected to the bottom groove of the side bottom plate by means of bolts.

[0014] The beneficial effects of the utility model are:

[0015] The utility model broadcasts "pass signal" in text and voice through the on-board safety data terminal, and sends instructions to the noise reduction pickup device and the offline voice recognition host to start recognizing the crew's oral call. Within the limited time, if the crew completes the specified call response, the on-board safety data terminal will repeat it and record that the call response is normal; if the crew fails to respond to the call as required, the system will again give voice and text prompts. After three consecutive times, the system will record that the crew fails to respond to the call as required, thereby solving the problem of being unable to ensure whether the crew's response is compliant. At the same time, the design cannot perform noise reduction processing on the communicator's response environment, thereby causing the received response to be easily affected by noise, resulting in a decrease in communication quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the top structure of the overall device of the utility model;

[0018] Figure 2 This is a schematic diagram of the top structure of the overall device side of the utility model;

[0019] Figure 3 This is a separation diagram of the opening and closing cover and the side bottom plate of the utility model;

[0020] Figure 4This is the circuit diagram of the voice core board of the utility model;

[0021] Figure 5 This is the design diagram of the 8MIC microphone array of the utility model;

[0022] In the figure: 1. Communication component; 11. Communication panel; 12. Annotation slot; 13. Access port; 14. Side bottom plate; 141. Through slot; 15. Opening and closing cover; 151. Bolt; 16. On-board safety data terminal; 17. On-board wireless transmission device; 18. Noise reduction pickup device; 19. Off-line voice recognition host. DETAILED DESCRIPTION

[0023] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 4 and Figure 5 The utility model provides a technical solution: a locomotive intelligent communication device, including a communication component 1, the communication component 1 is composed of a communication panel 11 and a vehicle-mounted safety data terminal 16 installed inside the communication panel 11, a vehicle-mounted wireless transmission device 17, a noise reduction pickup device 18 and an offline voice recognition host 19. The vehicle-mounted wireless transmission device 17 is connected to LKJ to obtain real-time monitoring data of the locomotive's travel.

[0025] The real-time monitoring data of the locomotive is analyzed by the on-board safety data terminal 16, so as to make judgments on the locomotive running status, the road conditions ahead, the signal, etc. In combination with the one-time service operation standard of the locomotive crew, the call response process can be initiated at the specified node.

[0026] Through the noise reduction pickup device 18 and the offline voice recognition host 19, the call response content of the crew can be identified and analyzed to determine whether the call response of the crew during driving is compliant.

[0027] The modal recognition of the noise reduction pickup device 18 in this design includes voice recognition performed by a microphone and a voice engine. Among them, the microphone array module is developed and designed for noisy environments. It determines the direction of the sound, calculates the sound within a fixed angle, and then adapts to the algorithm of the voice engine to achieve outstanding recognition accuracy. It can adapt to application scenarios with high noise in the locomotive cab. The leading solution can bring a more natural voice interaction experience to locomotive crew members.

[0028] According to the signal received by the 8-microphone array, the signal arrival direction can be estimated, and the approximate direction of the signal can be obtained; the 8-microphone array designs a beamformer and a notch filter for the target direction. The beamformer is used to enhance the signal in this direction while suppressing interference noise in other directions, which is recorded as output signal one; the notch filter is used to suppress the signal in this direction and retain interference noise in other directions, which is recorded as output signal two. Output signal one is used as the far-end signal, and output signal two is used as the near-end signal, which are sent to the adaptive filter for cancellation. The adaptive filter parameter update control determines whether to update according to the deviation between the current signal direction estimate and the target direction. If the deviation is within an acceptable range, it will not be updated. If it is outside the acceptable range, it will be updated. Finally, the signal in this direction is further enhanced.

[0029] A microphone array includes a microphone and a chip for signal processing.

[0030] Audio parameters

[0031] Microphone sampling rates of 16, 24 and 48kHz and 14.7, 22.05 and 44.1kHz

[0032] Audio bit depth 16bit, 24bit

[0033] Microphone gain adjustable

[0034] 1. Vehicle-mounted safety data terminal 16

[0035] In this design, the on-board safety data terminal 16 includes an Android operating system and a display screen, which is installed on the crew operating console in the locomotive cab and connected to the on-board wireless transmission device 17 via Ethernet. During the operation of the locomotive, it can receive real-time monitoring data from LKJ, thereby obtaining information such as the locomotive operating status, road conditions ahead, and signals. It can predict the call and response operations that the crew needs to do, and initiate the corresponding call and response process at the appropriate time.

[0036] 2. Offline speech recognition host 19

[0037] According to the railway operating regulations, the system presets the trigger points of the call responses that need to be processed and the call response contents to be responded to, which are used to compare the call response contents of the crew members and determine whether the crew members are compliant.

[0038] The system monitors data in real time through LKJ, identifies the node that needs to be called and answered, initiates text and voice prompts, and picks up the location of the flight attendant through the noise reduction pickup device 18. Within a limited time, the offline voice recognition host 19 continues to analyze the real-time voice content.

[0039] The offline voice recognition host 19 will send the recognition result to the vehicle-mounted safety data terminal 16 in real time, and the vehicle-mounted safety data terminal 16 will determine whether the crew's call response is compliant based on the recognition result model and give corresponding feedback.

[0040] See also Figure 1 - Figure 3 The communication component 1 also includes a note slot 12, which is opened on the top of the communication panel 11. The communication component 1 also includes a side bottom plate 14, which is fixedly connected to the bottom of the communication panel 11. The communication component 1 also includes a through slot 141, which is symmetrically penetrated and opened on both sides of the side bottom plate 14 in two groups. The communication component 1 also includes two groups of access ports 13, which are fixedly connected to the back of the communication panel 11 and communicated with the inside of the communication panel 11. The communication component 1 also includes an opening and closing cover 15, which is arranged at the bottom slot of the side bottom plate 14. The communication component 1 also includes a bolt 151, which matches the threaded grooves passing through the opening and closing cover 15 and the threaded grooves around the bottom of the side bottom plate 14. The opening and closing cover 15 is threadedly connected to the bottom slot of the side bottom plate 14 through the bolt 151.

[0041] The working principle and use process of the utility model are as follows:

[0042] Taking the forward signal as an example, a standard call response process is as follows:

[0043] The on-board safety data terminal 16 receives the real-time monitoring data from LKJ. If the distance between the locomotive and the signal has reached the specified confirmation range, the on-board safety data terminal 16 will broadcast "pass signal" in text and voice, and send instructions to the noise reduction pickup device 18 and the offline voice recognition host 19 to start recognizing the crew's oral call. If the crew completes the specified call response within the specified time, the on-board safety data terminal 16 will repeat it and record that the call response is normal; if the crew fails to respond to the call as required, the system will give voice and text prompts again. After three consecutive times, the system will record that the crew has failed to respond to the call as required.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A locomotive intelligent communication device, comprising a communication component (1), characterized in that: The communication component (1) is composed of a communication panel (11), a vehicle-mounted safety data terminal (16) installed inside the communication panel (11), a vehicle-mounted wireless transmission device (17), a noise reduction pickup device (18), and an offline voice recognition host (19).

2. The locomotive intelligent communication device according to claim 1, characterized in that: The communication component (1) further comprises a comment slot (12), wherein the comment slot (12) is opened on the top of the communication panel (11).

3. The locomotive intelligent communication device according to claim 1, characterized in that: The communication component (1) further comprises a side bottom plate (14), wherein the side bottom plate (14) is fixedly connected to the bottom of the communication panel (11).

4. The locomotive intelligent communication device according to claim 1, characterized in that: The communication component (1) further comprises through slots (141), wherein the through slots (141) are formed into two groups and symmetrically penetrate through the two sides of the side bottom plate (14).

5. The locomotive intelligent communication device according to claim 1, characterized in that: The communication component (1) further comprises two groups of access ports (13), wherein the two groups of access ports (13) are fixedly connected to the back of the communication panel (11) and are in communication with the inside of the communication panel (11).

6. The locomotive intelligent communication device according to claim 1, characterized in that: The communication component (1) further comprises an opening and closing cover (15), wherein the opening and closing cover (15) is arranged at a bottom slot of the side bottom plate (14).

7. The locomotive intelligent communication device according to claim 1, characterized in that: The communication component (1) further comprises a bolt (151), wherein the bolt (151) matches the threaded grooves penetrating around the opening and closing cover (15) and the threaded grooves around the bottom of the side bottom plate (14).

8. The locomotive intelligent communication device according to claim 6, characterized in that: The opening and closing cover (15) is threadedly connected to the bottom groove of the side bottom plate (14) through bolts (151).

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