CN208903315U - Double storaged voice data boards with EMMC storage applied to GYK - Google Patents
Double storaged voice data boards with EMMC storage applied to GYK Download PDFInfo
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- CN208903315U CN208903315U CN201821423897.9U CN201821423897U CN208903315U CN 208903315 U CN208903315 U CN 208903315U CN 201821423897 U CN201821423897 U CN 201821423897U CN 208903315 U CN208903315 U CN 208903315U
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Abstract
The utility model discloses a kind of double storaged voice data boards with EMMC storage applied to GYK, including power supply unit, main control unit, audio input output unit, encoding and decoding speech unit, storage unit, dump unit, communication unit, hardware encryption unit, voltage and current acquisition unit, temperature collecting cell, level detection unit and display unit；Encoding and decoding speech unit, storage unit, dump unit, communication unit, hardware encryption unit, voltage and current acquisition unit, temperature collecting cell, level detection unit and display unit are electrically connected with main control unit, and audio input output unit is electrically connected with encoding and decoding speech unit；The storage unit includes dual-memory.The characteristics of the utility model, which has, can be improved anti-seismic performance, extends capacity and prolong the service life.
Description
Technical field
The utility model relates to vehicle-mounted digital voice recorder technical fields, can be improved shock resistance more particularly, to one kind
Can, the double storaged voice data boards with EMMC storage applied to GYK for extending capacity and prolonging the service life.
Background technique
Currently, the voice recorder in existing railcar is generally there are two types of storage mode, one kind directlying adopt Flash core
Piece stored voice message, Flash chip is directly welded on pcb board, however by pcb board space and chip storage capacity
This storage mode is limited all to bring great inconvenience to users in capacity extension and data maintenance；Another kind is deposited using SD card
Storage, although SD card storage mode is able to satisfy the requirement of massive store, but SD card is connected using deck, and deck connects by elastic slice
Touching, elastic slice aging or oxidation will affect contact performance, increase failure rate, new trouble is brought to user maintenance.
Therefore, designing one kind can be improved anti-seismic performance, extend capacity and the double storaged voices to prolong the service life note
It is imperative to meet customer need to record plate.
Utility model content
The utility model is to overcome in the prior art, and single Flash flash memory extension is difficult, data management is troublesome and single
One SD card stores that mechanical resistance pinking is poor, and service life short problem, providing one kind can be improved anti-seismic performance, extends capacity and prolongs
Double storaged voice data boards with EMMC storage applied to GYK of long life.
To achieve the above object, the utility model uses following technical scheme:
A kind of double storaged voice data boards with EMMC storage applied to GYK, including power supply unit, main control unit, sound
Frequency input-output unit, encoding and decoding speech unit, storage unit, dump unit, communication unit, hardware encryption unit, voltage electricity
Flow acquisition unit, temperature collecting cell, level detection unit and display unit；Encoding and decoding speech unit, storage unit, dump list
Member, communication unit, hardware encryption unit, voltage and current acquisition unit, temperature collecting cell, level detection unit and display unit
It is electrically connected with main control unit, audio input output unit is electrically connected with encoding and decoding speech unit；The storage unit includes double
Memory.
The voltage of input is converted to the voltage that board internal circuit uses by the power supply unit in the utility model, gives remaining
Unit provides power supply；Audio input output unit is first by externally input analog audio signal by ALC auto level control
Reason, then be AD converted and export digital sampled signal and give encoding and decoding speech unit；The digital audio of encoding and decoding speech unit output
Signal exports after DA is converted using operational amplifier circuit, and encoding and decoding speech unit is mainly responsible for the crushing and decompression work of voice
Make；Dump unit provides USB interface, and voice record can be dumped to USB flash disk and analyzed by insertion USB flash disk；Hardware encryption unit mentions
For hardware identification ID, it to be used for hardware legitimate verification；Voltage and current acquisition unit and temperature collecting cell are used for acquisition and recording plate
The voltage and current and temperature information of card, monitor the working environment of board.Level detection unit is used for the detection of level control mode.
The characteristics of the utility model, which has, can be improved anti-seismic performance, extends capacity and prolong the service life.
Preferably, main control unit include SPI communication interface, I2C bus interface, MMC bus interface and USB interface and
CAN communication interface.By the unit communication of above-mentioned interface and peripheral hardware, data communication, phonetic storage, USB flash disk dump, state inspection are completed
The work such as survey.
Preferably, storage unit includes SD card and EMMC storage chip, SD card and EMMC storage chip pass through MMC bus
It is connect with main control unit.Main control unit is by the voice data received while being saved in SD card and EMMC storage chip, SD card
A data bus is shared with EMMC storage chip.Voice record is using double memory technologies, other than being stored in SD card, also simultaneously
It is stored in EMMC storage chip, records double storage redundancy backups；And EMMC storage chip memory technology is used, make the anti-of product
Shock stability, capacity extension, volume and service life etc. are substantially improved, and are more suitable the use environment of mobile unit.
Preferably, storage unit further includes Power Management Unit, Power Management Unit is stored with SD card and EMMC respectively
Chip electrical connection, power supply unit are electrically connected with Power Management Unit.The electrifying timing sequence control of Power Management Unit offer external power supply
System, it is ensured that SD card and EMMC storage chip initialize successfully；It can be by way of power-off restoration when memory operation exception
Reinitialize equipment.
Preferably, communication unit includes CAN communication interface.Communication unit provides CAN communication interface, is used for and outside master
Machine communication.
Preferably, display unit includes panel leds.Panel leds are used to show the working condition of board.
Therefore, the utility model has the following beneficial effects: (1) uses EMMC storage chip memory technology, make product
Anti-seismic performance, capacity extension, volume and service life etc. are substantially improved, and are more suitable the use environment of mobile unit；(2)
Voice record is using double memory technologies, other than being stored in SD card, also while being stored in EMMC storage chip, records double storages
Redundancy backup；(3) this voice recorder plate provides voltage and current and temperature detection, monitors board running environment and is uploaded in real time
Host work status information；(4) this voice recorder plate has hardware legitimate verification, is only verified, voice record plate
It could work normally.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of the utility model；
Fig. 2 is a kind of functional block diagram of storage unit in the utility model.
In figure: Power Management Unit 1, main control unit 2, audio input output unit 3, encoding and decoding speech unit 4, storage are single
Member 5, dump unit 6, communication unit 7, hardware encryption unit 8, voltage and current acquisition unit 9, temperature collecting cell 10, level inspection
Survey unit 11, display unit 12, power supply unit 13, SD card 14, EMMC storage chip 15.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing:
A kind of double storaged voice data boards with EMMC storage applied to GYK as shown in Figure 1, including power supply unit
13, main control unit 2, audio input output unit 3, encoding and decoding speech unit 4, storage unit 5, dump unit 6, communication unit 7,
Hardware encryption unit 8, voltage and current acquisition unit 9, temperature collecting cell 10, level detection unit 11 and display unit 12；Language
Sound codec unit, storage unit, dump unit, communication unit, hardware encryption unit, voltage and current acquisition unit, temperature are adopted
Collection unit, level detection unit and display unit are electrically connected with main control unit, audio input output unit and encoding and decoding speech
Unit electrical connection；The storage unit includes dual-memory.
Audio input output unit includes audio input output interface, and encoding and decoding speech unit includes encoding and decoding speech core
Piece, dump unit provide USB interface, and hardware encryption unit includes hardware encryption chip, and level detection unit includes level detection
Device.
Main control unit includes that SPI communication interface, I2C bus interface, MMC bus interface and USB interface and CAN communication connect
Mouthful.By the unit communication of above-mentioned interface and peripheral hardware, the work such as data communication, phonetic storage, USB flash disk dump, state-detection are completed.
As shown in Fig. 2, storage unit includes SD card 14 and EMMC storage chip 15, SD card and EMMC storage chip pass through
MMC bus is connect with main control unit.Main control unit is by the voice data received while being saved in SD card and EMMC storage chip
Interior, SD card and EMMC storage chip share a data bus.Storage unit further includes Power Management Unit 1, power management list
Member is electrically connected with SD card and EMMC storage chip respectively, and power supply unit is electrically connected with Power Management Unit.Power Management Unit mentions
For the electrifying timing sequence control of external power supply, it is ensured that SD card and EMMC storage chip initialize successfully；When memory operation exception
Equipment can be reinitialized by way of power-off restoration.
In addition, communication unit includes CAN communication interface.Communication unit provides CAN communication interface, for logical with external host
Letter.Display unit includes panel leds.Panel leds are used to show the working condition of board.
The working method and principle of the utility model are as follows:
The pressure of voice is completed in external audio signal output after the processing of audio input output unit to encoding and decoding speech unit
Damage processing, for the voice transfer after crushing to main control unit, main control unit is same according to the format of regulation by received voice data
In step storage to SD card and EMMC storage chip, SD card is used as main memory, EMMC from memory in record.In voice
When playback, main control unit first reads voice data from SD card, if reading failure or error in data, then reads voice number from EMMC
According to reading data is then forwarded to encoding and decoding speech unit and carries out tone decoding after succeeding, decoded voice is defeated through audio input
Unit amplification output is to loudspeaker out.
It should be understood that the present embodiment is merely to illustrate the utility model rather than limitation the scope of the utility model.Furthermore
It should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model various
Change or modification, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (7)
1. a kind of double storaged voice data boards applied to GYK with EMMC storage, characterized in that including power supply unit (13),
Main control unit (2), encoding and decoding speech unit (4), storage unit (5), dump unit (6), leads to audio input output unit (3)
Believe unit (7), hardware encryption unit (8), voltage and current acquisition unit (9), temperature collecting cell (10), level detection unit
(11) and display unit (12)；Encoding and decoding speech unit, storage unit, dump unit, communication unit, hardware encryption unit, electricity
Current voltage acquisition unit, temperature collecting cell, level detection unit and display unit are electrically connected with main control unit, audio input
Output unit is electrically connected with encoding and decoding speech unit；The storage unit includes dual-memory.
2. double storaged voice data boards with EMMC storage according to claim 1 applied to GYK, characterized in that institute
Stating main control unit includes SPI communication interface, I2C bus interface, MMC bus interface and USB interface and CAN communication interface.
3. double storaged voice data boards with EMMC storage according to claim 1 applied to GYK, characterized in that institute
Stating storage unit includes SD card (14) and EMMC storage chip (15), and SD card and EMMC storage chip pass through MMC bus and master control
Unit connection.
4. double storaged voice data boards with EMMC storage according to claim 3 applied to GYK, characterized in that institute
Stating storage unit further includes Power Management Unit (1), and Power Management Unit is electrically connected with SD card and EMMC storage chip respectively, electricity
Source unit is electrically connected with Power Management Unit.
5. double storaged voice data boards with EMMC storage according to claim 1 or 2 or 3 or 4 applied to GYK,
It is characterized in, the dump unit includes USB interface.
6. double storaged voice data boards with EMMC storage according to claim 1 or 2 or 3 or 4 applied to GYK,
It is characterized in, the communication unit includes CAN communication interface.
7. double storaged voice data boards with EMMC storage according to claim 1 or 2 or 3 or 4 applied to GYK,
It is characterized in, the display unit includes panel leds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423897.9U CN208903315U (en) | 2018-08-31 | 2018-08-31 | Double storaged voice data boards with EMMC storage applied to GYK |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821423897.9U CN208903315U (en) | 2018-08-31 | 2018-08-31 | Double storaged voice data boards with EMMC storage applied to GYK |
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| Publication Number | Publication Date |
|---|---|
| CN208903315U true CN208903315U (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821423897.9U Active CN208903315U (en) | 2018-08-31 | 2018-08-31 | Double storaged voice data boards with EMMC storage applied to GYK |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290717A (en) * | 2020-03-13 | 2020-06-16 | 成都互诚在线科技有限公司 | Off-line data storage device based on Bluetooth communication |
-
2018
- 2018-08-31 CN CN201821423897.9U patent/CN208903315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290717A (en) * | 2020-03-13 | 2020-06-16 | 成都互诚在线科技有限公司 | Off-line data storage device based on Bluetooth communication |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 310013 5 floor, 10 building, 30 Wan Tang Road, Xihu District, Hangzhou, Zhejiang. Patentee after: Gaoxing Chuanglian Technology Co.,Ltd. Patentee after: NORTHWEST RAILWAY ELECTRONICS CO.,LTD. Address before: 310013 4th floor, building 10, No. 30, Wantang Road, Xihu District, Hangzhou City, Zhejiang Province Patentee before: GOSUNCN CHUANGLIAN TECHNOLOGY Co.,Ltd. Patentee before: NORTHWEST RAILWAY ELECTRONICS CO.,LTD. |
|
| CP03 | Change of name, title or address |