CN209388378U - A kind of missile-borne video recorder - Google Patents
A kind of missile-borne video recorder Download PDFInfo
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- CN209388378U CN209388378U CN201822211335.4U CN201822211335U CN209388378U CN 209388378 U CN209388378 U CN 209388378U CN 201822211335 U CN201822211335 U CN 201822211335U CN 209388378 U CN209388378 U CN 209388378U
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Abstract
The utility model relates to a kind of missile-borne video recorders comprising circuit board integrates on circuit boards and sequentially connected CML interface, CML decoding chip, data-interface, fpga chip；The CML decoding chip connects crystal oscillator；The fpga chip is connect with FIFO memory, EMMC-FLASH memory, USB interface and the port I/O respectively；Fifo controller, FLASH controller, FLASH data flow control, command analysis device and FLASH interface are stored in the fpga chip.The utility model, as data channel carrier, improves anti-interference ability, interface is simple, bandwidth capacity is big using the serial CML of Modern High-Speed；Interface is simple, and memory rate is fast, and capacity is big, and scalability is strong, reduces the volume of memory；Freely programmable realizes more complicated function.
Description
[technical field]
The utility model belongs to recorded-video technique field, and in particular to a kind of missile-borne video recorder.
[background technique]
With the development of modern electronic technology, high speed, digitlization, the demand of miniaturization are more more and more intense, need a kind of number
According to transmission rate block, the video recorder that size is small, capacity is big, data reliability is high.
Existing video recorder is situated between using multi-disc NOR-FLASH as storage, is that address bus and data/address bus are mutual
Independently, and in conjunction with control bus the access for realizing data, by multi-disc NOR-FLASH chip cascade to extend its data capacity.
The shortcomings that prior art, has:
1. data storage rate is low；
2. data storage capacity is low；
3. operation interface is complicated；
4. development difficulty is big, file and data management are complicated；
5. complicated algorithm and method of calibration is needed to complete the validity of storing data.
[utility model content]
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of missile-borne video recorder, use
CML interface can be effectively increased the rate of data storage, be improved as data medium using the memory technology of EMMC-FLASH
Product integrated level reduces interface complexity, improves reliability and reduce physical size.
The utility model the specific technical proposal is:
A kind of missile-borne video recorder, including circuit board integrate on circuit boards and sequentially connected CML interface, CML
Decoding chip, data-interface, fpga chip；The CML decoding chip connects crystal oscillator；The fpga chip is stored with FIFO respectively
Device, EMMC-FLASH memory, USB interface are connected with the port I/O；Fifo controller, FLASH are stored in the fpga chip
Controller, FLASH data flow control, command analysis device and FLASH interface.
Further, the CML decoding chip is TLK1501 model chip.
Further, the crystal oscillator frequency is 30MHZ.
Further, the FIFO memory is the two panels FIFO memory of soldier's pang type.
Further, the EMMC-FLASH memory is monolithic multilayer structure, and monolithic is the chip of 64GB capacity.
The utility model has the following beneficial effects:
1. the utility model, as data channel carrier, improves anti-interference ability, interface using the serial CML of Modern High-Speed
Simply, bandwidth capacity is big；
2. the utility model uses the EMMC-FLASH memory of multilayered structure, interface is simple, and memory rate is fast, capacity
Greatly, scalability is strong, reduces the volume of memory；
3. the utility model uses intermediary of the FPGA as data exchange, freely programmable realizes more complicated function.
[Detailed description of the invention]
Fig. 1 is the utility model embodiment schematic diagram.
It is as follows that corresponding structure is numbered in figure:
1. the port data-interface 2.FIFO memory 3.FLASH interface 4.USB interface 5.I/O 6.FPGA chip
10. crystal oscillator 61.FIFO controller 62.FLASH of 7.EMMC-FLASH memory 8.CML interface 9.CML decoding chip control
64. command analysis device of device 63.FLASH data flow control
[specific embodiment]
Clear and complete description is carried out to the technical solution of the utility model below in conjunction with attached drawing.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, originally
The those of ordinary skill in field other embodiments obtained under the premise of not making creative labor, belong to this reality
With novel protection scope.
Following embodiment refers to Fig. 1.
A kind of missile-borne video recorder, including circuit board, integrate on circuit boards and sequentially connected CML interface 8,
CML decoding chip 9, data-interface 1, fpga chip 6；
CML interface 8 is used as data channel carrier, improves anti-interference ability, interface is simple, bandwidth capacity is big；CML decoding
Chip 9 is TLK1501 model chip, and CML decoding chip 9 connects crystal oscillator 10, and crystal oscillator 10 is for providing the clock signal of 30MHZ；
Data-interface 1 is USB parallel interface；
Fpga chip 6 is connect with FIFO memory 2, EMMC-FLASH memory 7, USB interface 4 and the port I/O 5 respectively；
FIFO memory 2 is the two panels FIFO memory of soldier's pang type；EMMC-FLASH memory 7 is monolithic multilayer structure, and monolithic is
The chip of 64GB capacity, interface is simple, and memory rate is fast, and capacity is big, and scalability is strong, reduces the volume of memory；
Fifo controller 61, FLASH controller 62, FLASH data flow control 63 and life are stored in fpga chip 6
Resolver 64 and FLASH interface 3 are enabled, freely programmable realizes more complicated function；
It further include that power supply is powered to circuit board.
When video data recording:
Start to detect starting impulse signal after being powered on by the port I/O 5 to circuit board, which is starting record video
Signal, FLASH data flow control 63 start video data recording function after detecting the signal；
CML digital video is input to CML decoding chip 10 by CML interface 8, parallel data is decoded as, through data-interface 1
It is transmitted to fpga chip 6, fifo controller 61 controls the parallel data and stores into the two panels FIFO memory 2 of ping-pong；
FLASH controller 62 detects when having parallel data in FIFO memory 2 that FLASH storage operation is opened in triggering；It is logical
It crosses FLASH interface 3 parallel data is written to EMMC-FLASH memory 7.
When data record:
USB interface 4 is accessed into general purpose PC USB2.0 interface, can be identified after opening the video recorder software of PC machine adaptation
The missile-borne video recorder of the utility model, missile-borne video recorder receive the downlink data of PC machine by USB interface 4, lead to
It crosses command analysis device 64 and parses the downlink data, after obtaining data upload command, FLASH controller 62 is read by FLASH interface 3
The valid data stored in EMMC-FLASH memory 7 are taken, FLASH data flow control 63 is defeated by the data by USB interface 4
Give PC machine.
Claims (5)
1. a kind of missile-borne video recorder, which is characterized in that including circuit board, integrate on circuit boards and sequentially connected
CML interface, CML decoding chip, data-interface, fpga chip；The CML decoding chip connects crystal oscillator；The fpga chip point
It is not connect with FIFO memory, EMMC-FLASH memory, USB interface and the port I/O；FIFO is stored in the fpga chip
Controller, FLASH controller, FLASH data flow control, command analysis device and FLASH interface.
2. a kind of missile-borne video recorder according to claim 1, which is characterized in that the CML decoding chip is
TLK1501 model chip.
3. a kind of missile-borne video recorder according to claim 1, which is characterized in that the crystal oscillator frequency is 30MHZ.
4. a kind of missile-borne video recorder according to claim 1, which is characterized in that the FIFO memory is soldier's pang type
Two panels FIFO memory.
5. a kind of missile-borne video recorder according to claim 1, which is characterized in that the EMMC-FLASH memory is
Monolithic multilayer structure, monolithic are the chip of 64GB capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211335.4U CN209388378U (en) | 2018-12-27 | 2018-12-27 | A kind of missile-borne video recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822211335.4U CN209388378U (en) | 2018-12-27 | 2018-12-27 | A kind of missile-borne video recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209388378U true CN209388378U (en) | 2019-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822211335.4U Active CN209388378U (en) | 2018-12-27 | 2018-12-27 | A kind of missile-borne video recorder |
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| CN (1) | CN209388378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112070925A (en) * | 2020-08-28 | 2020-12-11 | 北京宏动科技有限公司 | Universal missile-borne recorder with configurable and self-description functions |
| CN112689144A (en) * | 2019-10-18 | 2021-04-20 | 北京华航无线电测量研究所 | FPGA-based cml interface camera test platform |
-
2018
- 2018-12-27 CN CN201822211335.4U patent/CN209388378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112689144A (en) * | 2019-10-18 | 2021-04-20 | 北京华航无线电测量研究所 | FPGA-based cml interface camera test platform |
| CN112070925A (en) * | 2020-08-28 | 2020-12-11 | 北京宏动科技有限公司 | Universal missile-borne recorder with configurable and self-description functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A missile borne video recorder Effective date of registration: 20210429 Granted publication date: 20190913 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Star Electronic Technology Co.,Ltd. Registration number: Y2021990000379 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220620 Granted publication date: 20190913 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Star Electronic Technology Co.,Ltd. Registration number: Y2021990000379 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A missile borne video recorder Effective date of registration: 20220623 Granted publication date: 20190913 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Star Electronic Technology Co.,Ltd. Registration number: Y2022610000336 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230526 Granted publication date: 20190913 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Star Electronic Technology Co.,Ltd. Registration number: Y2022610000336 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of missile borne video recorder Effective date of registration: 20230606 Granted publication date: 20190913 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Star Electronic Technology Co.,Ltd. Registration number: Y2023610000412 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |