CN102769690A - Voice recorder of wireless mobile platform for railway work and electric services - Google Patents
Voice recorder of wireless mobile platform for railway work and electric services Download PDFInfo
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- CN102769690A CN102769690A CN2012102653732A CN201210265373A CN102769690A CN 102769690 A CN102769690 A CN 102769690A CN 2012102653732 A CN2012102653732 A CN 2012102653732A CN 201210265373 A CN201210265373 A CN 201210265373A CN 102769690 A CN102769690 A CN 102769690A
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Abstract
A voice recorder of a wireless mobile platform for railway work and electric service comprises a radio-frequency device, a display device, a storage device and a master control processing device. The radio-frequency device is used for receiving and transmitting wireless signals, the display device is used for providing an operation interface and displaying voice signals, the storage device is used for storing voice information, and the master control processing device is connected with the radio-frequency device, the display device and the storage device. The voice signals from the radio-frequency device are subjected to analog-digital conversion, encoded and compressed to be stored to the storage device by the master control processing device. The voice recorder has an automatic recording function, a record replaying function, a record inquiring and transferring function, a real-time monitoring function, a remote inquiring and playing function and the like besides a conventional wireless talkback function.
Description
Technical field
The present invention relates to railway wireless communication apparatus technical field, particularly a kind of railway electricity affair radio mobile station voice record appearance that railway electricity affair personnel is carried out the security monitoring record when construction organization and the spot dispatch commander communication.
Background technology
It is one of important unit of the railway system that the railway electricity is engaged in, and is responsible for rail track and relevant device C&M specially.Railway, electricity affair and car affair system carry out construction organization, spot dispatch commander, safety work etc. along the railway and need carry out the mobile intercom of routine at present, and mobile communication terminal does not possess automatic recording and writing function but existing railway and electricity are engaged in.If railway accident takes place, can't foundation be provided for railroad safety management and accident analysis, be unfavorable for TD commander's standardization, standardization.
Summary of the invention
Main purpose of the present invention is that the mobile communication equipment that overcomes the electric affair of existing railway system does not possess automatic recording and writing function; The shortcoming of foundation can't be provided for railroad safety management and accident analysis, propose a kind of can real time record travelling carriage voice and the electric affair radio mobile station of the railway voice record appearance of time signal etc.
The present invention adopts following technical scheme:
A kind of railway electricity affair radio mobile station voice record appearance; It is characterized in that: comprise radio-frequency unit, the display unit that is used to provide operation interface and display word tone signal that is used to receive and send wireless signal, the storage device that is used for stored voice message; And the master control processing unit that links to each other with above-mentioned radio-frequency unit, display unit, storage device, this master control processing unit will carry out from the voice signal of said radio-frequency unit being stored to said storage device after analog-to-digital conversion, coding, the compression.
Further; Said master control processing unit comprises modulus/D/A conversion unit, Audio Processing Unit and CPU element; Said modulus/D/A conversion unit links to each other with said radio-frequency unit and links to each other with said voice Audio Processing Unit, and said CPU element and the said Audio Processing Unit voice signal that is used for after analog-to-digital conversion, coding and compression that links to each other with said storage device is stored to storage device.
Further, also include the Ethernet interface that links to each other with said master control processing unit.
Further, also include the telephony interface that links to each other with said master control processing unit.
Further, said storage device is the SD card.
Further, said display unit adopts LCD.
Further, also include the microphone that links to each other with said master control processing unit.
Further, also include the loudspeaker that link to each other with said master control processing unit.
Can know that by the above-mentioned description of this invention compared with prior art, the present invention has following beneficial effect:
The present invention adopts large-scale digital ic to accomplish the voice signal that collects is taken a sample, encodes, compressed and stores, and except the wireless talkback function of routine, also uses the voice-and-data information between the large-capacity semiconductor storage chip record radio mobile station.Time in the record voice during ticketed call, show call timers in the time of the voice playback record; And can monitor the voice of recording, also can decode and displayed record to the data of sending.Do not have any mechanical action part during this equipment work, have characteristics such as antidetonation, long service life, power and energy saving.Voice data is stored in the SD card; The storage mode that storage adopts circulation to cover; Have good confidentiality, memory space utilance height; Dependable performance, powerful, compared remarkable advantages with magnetic tape type or hard disk formula and other recording storage mode, long recording time can be equipped with according to requirement of client flexibly.
Description of drawings
Fig. 1 is a syndeton sketch map of the present invention.
Embodiment
Below through embodiment the present invention is done further description.
In railway electricity affair wireless speech data communication occasion, for field operation personnel's security needs overall process writes down supervision and for accident responsibility, supervision work quality and the personnel of managing at different levels the foundation of analysis accurately and timely is provided.Therefore; A kind of railway electricity affair radio mobile station voice record appearance is proposed; The present invention is mainly used in railway electricity affair personnel and carries out wireless speech intercommunication environment, waits personnel's conversation to carry out digital record and storage to railway and electricity affair, to the decoding record and the storage of safe early warning information; Also possess remote inquiry, monitoring, monitoring simultaneously, information such as does not lose at function after the device looses power.
With reference to Fig. 1; A kind of railway electricity affair radio mobile station voice record appearance; Comprise radio-frequency unit 1, the display unit 2 that is used to provide operation interface and display word tone signal that is used to receive and send wireless signal, the storage device 3 that is used for stored voice message; And the master control processing unit 4 that links to each other with above-mentioned radio-frequency unit 1, display unit 2, storage device 3; This master control processing unit 4 will carry out from the voice signal of radio-frequency unit 1 being stored to storage device 3 after analog-to-digital conversion, coding, the compression, and storage device 3 adopts the SD card.Master control processing unit 4 comprises modulus/D/A conversion unit 11, is used to carry out the Audio Processing Unit 12 and the CPU element 13 of encoding compression; Modulus/D/A conversion unit links to each other with radio-frequency unit 1 and links to each other with voice Audio Processing Unit 12, and CPU element 13 links to each other with storage device 3 with Audio Processing Unit 12 and is used for the voice signal after analog-to-digital conversion, coding and compression is stored to storage device 3.The present invention also includes microphone 5 and loudspeaker 6, is used for the input and output of voice signal.
The present invention mainly accomplishes sampling, compression, coding and storage to voice through large-scale integrated circuit, the record sound clarity, and writing time is long; Codec can adopt ITU-TG.723.1 dual rate audio coder & decoder (codec); For the communication of voice and data, adopt corresponding radio-frequency unit 1 to match, and its wireless communication channel point is set on the corresponding frequency range, be used to monitor all voice-and-datas in this frequency range.
The present invention also comprises the Ethernet interface 7 and telephony interface 8 that links to each other with the master control processing unit; Can record and monitor the recording substance of current recording passage phone; Every data monitor is provided with the corresponding equipment number, conveniently many recorders is carried out unified management.
The master control processing unit 4 of railway of the present invention electricity affair radio mobile station voice record appearance adopts the ARM7 kernels, be responsible for A/D or D/A control, the SD card storage of voice and read, the control of liquid crystal display, Keyboard Control and Ethernet and telephony interface etc.; CPU selects LPC2478 for use, Flash in the maximum speed 72MHz, 512kB sheet, 98k on-chip SRAM.Have 32 external bus interfaces, 4 UART, spi bus, ADC, DAC etc.; Modules such as embedded USB2.0 driving, the driving of 10/100 Ethernet, SD/MMC driving, lcd controller.Expansion SRAM selects IS61LV51216AL:512k Words (16bit) for use, the supervisory circuit of band 2k position EEPROM and hand-reset; Select CAT1025 for use, 2k position EEPROM can be used for information such as storing IP address, telephone number, station number, password.Storage card is selected the SD card for use, possesses continuous recording.With cpu i/f: adopt spi bus, the embedded SD of CPU drives.Administrative staff can directly take the SD card away, are connected to computer through card reader then, are used for the computer software query note.Display unit adopts the LCD LCD of TFT-6862, and 3.5 inches, the 320*240TFT liquid crystal display screen, RGB 262k is driven by the inner lcd controller of CPU.Ethernet interface is selected PHY chip PM9161A for use, by the inner Ethernet controller drives of CPU.USB interface adopts a USB Host interface and a USB OTG interface.Real-time clock is selected SD2405API for use: serial ports UART0:RS232 is used for debugging and ISP function.
The attainable function of the present invention has in simple terms: 1, conventional wireless talkback function; 2, automatic recording function; 3, recording playback function; 4, record queries dump function; 5, real-time listening function; 6, the time is provided with and calibration function; 7, recording file Automatic Cycle covering function; 8, remote inquiry playing function.Concrete comprises as follows:
Easy to operate: through computer software management, the operation interface that the close friend is provided, operation intuitively, can retrieve according to variety of ways such as air time, date and channel number, rapid, convenient; I.e. record is promptly put, monitor function, when the retrieval playback, does not influence recording; Many information record be can carry out, voice and time signal write down simultaneously to confirm information source and time of origin; Can carry out voice signal and start the record type of recording; Multiple retrieval mode can be provided.
Limit for length during storage: storage device adopts the SD card; The record data outage holding time long (being no less than 5 years); Can dump in the computer through the SD card and preserve, be convenient for carrying and preserve, capacity configuration flexibly, have that the band point is erasable, data are not lost after the power down characteristics, be fit to the on-the-spot requirement of railway.
Authority inquiry: be provided with operator password, different users is provided with the different operation authority.Through the SD card memory record data are dumped in the computer software of outfit and preserve, the data of recording in the SD card are provided with password, and the computer that computer control software is not installed can't read out.
Remote monitoring: through computer software the operation conditions of data monitoring record appearance is carried out remote monitoring, realize functions such as remote inquiry, playback, monitoring and data download.
Above-mentionedly be merely an embodiment of the present invention, but design concept of the present invention is not limited thereto, allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection range of the present invention.
Claims (8)
1. railway electricity affair radio mobile station voice record appearance; It is characterized in that: comprise radio-frequency unit, the display unit that is used to provide operation interface and display word tone signal that is used to receive and send wireless signal, the storage device that is used for stored voice message; And the master control processing unit that links to each other with above-mentioned radio-frequency unit, display unit and storage device, this master control processing unit will carry out from the voice signal of said radio-frequency unit being stored to said storage device after analog-to-digital conversion, coding, the compression.
2. a kind of railway electricity affair radio mobile station voice record appearance as claimed in claim 1; It is characterized in that: said master control is handled and is comprised modulus/D/A conversion unit, Audio Processing Unit and CPU element; Said modulus/D/A conversion unit links to each other with said radio-frequency unit and links to each other with said voice Audio Processing Unit, and said CPU element and the said Audio Processing Unit voice signal that is used for after analog-to-digital conversion, coding and compression that links to each other with said storage device is stored to storage device.
3. according to claim 1 or claim 2 a kind of railway electricity affair radio mobile station voice record appearance is characterized in that: also include the Ethernet interface that links to each other with said master control processing unit.
4. a kind of railway electricity affair radio mobile station voice record appearance as claimed in claim 3 is characterized in that: also include the telephony interface that links to each other with said master control processing unit.
5. a kind of railway electricity affair radio mobile station voice record appearance as claimed in claim 4, it is characterized in that: said storage device is the SD card.
6. like claim 4 or 5 described a kind of railway electricity affair radio mobile station voice record appearance, it is characterized in that: said display unit adopts LCD.
7. a kind of railway electricity affair radio mobile station voice record appearance as claimed in claim 6 is characterized in that: also include the microphone that links to each other with said master control processing unit.
8. a kind of railway electricity affair radio mobile station voice record appearance as claimed in claim 6 is characterized in that: also include the loudspeaker that link to each other with said master control processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102653732A CN102769690A (en) | 2012-07-30 | 2012-07-30 | Voice recorder of wireless mobile platform for railway work and electric services |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102653732A CN102769690A (en) | 2012-07-30 | 2012-07-30 | Voice recorder of wireless mobile platform for railway work and electric services |
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| Publication Number | Publication Date |
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| CN102769690A true CN102769690A (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102653732A Pending CN102769690A (en) | 2012-07-30 | 2012-07-30 | Voice recorder of wireless mobile platform for railway work and electric services |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508617A (en) * | 2017-09-26 | 2017-12-22 | 洪清喜 | A kind of cab integrated radio communication of 450MHz DA compatibilities |
| CN117614987A (en) * | 2024-01-22 | 2024-02-27 | 天津七一二移动通信有限公司 | Handheld table control system supporting recording and recording analysis and implementation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285271A (en) * | 1997-04-04 | 1998-10-23 | Nippon Columbia Co Ltd | Call recording and reproducing device |
| CN201732403U (en) * | 2010-06-02 | 2011-02-02 | 泉州市铁通电子设备有限公司 | Multichannel voice and data recording instrument |
| CN202014347U (en) * | 2011-01-20 | 2011-10-19 | 泉州健步电子有限公司 | Railway wireless interphone |
| CN202721729U (en) * | 2012-07-30 | 2013-02-06 | 泉州市铁通电子设备有限公司 | Wireless mobile station voice recording instrument for railway track maintenance and electric service |
-
2012
- 2012-07-30 CN CN2012102653732A patent/CN102769690A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285271A (en) * | 1997-04-04 | 1998-10-23 | Nippon Columbia Co Ltd | Call recording and reproducing device |
| CN201732403U (en) * | 2010-06-02 | 2011-02-02 | 泉州市铁通电子设备有限公司 | Multichannel voice and data recording instrument |
| CN202014347U (en) * | 2011-01-20 | 2011-10-19 | 泉州健步电子有限公司 | Railway wireless interphone |
| CN202721729U (en) * | 2012-07-30 | 2013-02-06 | 泉州市铁通电子设备有限公司 | Wireless mobile station voice recording instrument for railway track maintenance and electric service |
Non-Patent Citations (1)
| Title |
|---|
| 宁静: "语音编码G.723.1在TMS320C5402上的实时实现", 《中国优秀硕士学位论文全文数据库 信息科技辑 》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508617A (en) * | 2017-09-26 | 2017-12-22 | 洪清喜 | A kind of cab integrated radio communication of 450MHz DA compatibilities |
| CN117614987A (en) * | 2024-01-22 | 2024-02-27 | 天津七一二移动通信有限公司 | Handheld table control system supporting recording and recording analysis and implementation method |
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Application publication date: 20121107 |