CN209343779U - A kind of shielded storage device of band CAN data recording function - Google Patents
A kind of shielded storage device of band CAN data recording function Download PDFInfo
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- CN209343779U CN209343779U CN201920024535.0U CN201920024535U CN209343779U CN 209343779 U CN209343779 U CN 209343779U CN 201920024535 U CN201920024535 U CN 201920024535U CN 209343779 U CN209343779 U CN 209343779U
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Abstract
The utility model proposes a kind of shielded storage devices of band CAN data recording function, including protective device, PCBA circuit board and the storage circuit plate being arranged in protective device；The first storage chip for storing CAN data and the second storage chip for storing audio, video data are provided on the storage circuit plate；Burning has CAN data software processing module on the PCBA circuit board, and the PCBA circuit board connects the first storage chip, and CAN data software processing module will be transmitted to the first storage chip after storing CAN data processing.The utility model passes through two storage chips, separate collection CAN data and audio, video data, memory space is mutually indepedent, memory module, storage format according to respective data characteristics in different ways, solve as above two data rate it is inconsistent caused by storage file difficult management, to improve the safety and reliability of CAN data；By being arranged storage chip in protective device, extending memory fire resistance period, improving Information Security.
Description
Technical field
The utility model belongs to the standby storage apparatus field of the calamity on the vehicles more particularly to a kind of band CAN data record
The shielded storage device of function.
Background technique
Existing vehicle-mounted data record and storage device, CAN bus data and audio, video data are stored in same storage
On chip, CAN bus data have tied up the memory space of audio-video, simultaneously because data rate is inconsistent to cause storage file pipe
Reason is difficult, and the safety and reliability of bus data is affected to some extent.
And the data acquisition installed on existing road vehicle and storage device do not have data disaster prevention function, such as
Disasters accident, the above-mentioned apparatus such as collision, explosion, burning, overboard, which occur, for vehicle cannot ensure the physics for the data being recorded
Safety.
Utility model content
To solve the above problems, the utility model proposes a kind of shielded storage device of band CAN data recording function, Neng Goutong
When acquisition and separate storage CAN bus data and audio, video data and the physical security for ensuring data, it is reliable to improve storing data
Property.
Technical solution: the utility model proposes a kind of shielded storage devices of band CAN data recording function, including protection dress
It sets, PCBA circuit board and the storage circuit plate being arranged in protective device；It is provided on the storage circuit plate for storing CAN
First storage chip of data and the second storage chip for storing audio, video data；There is burning on the PCBA circuit board
CAN data software processing module, the PCBA circuit board connect the first storage chip, and CAN data software processing module will be wait deposit
The first storage chip is transmitted to after storage CAN data processing.
Further, first storage chip carries out data transmission interface conversion by connection PCB A circuit board.
Further, first storage chip and the second storage chip pass through FPC winding displacement respectively and are connected with PCBA circuit board;
The CAN data of the first storage chip output carry out data transmission interface conversion by PCBA circuit board.
Further, the PCBA circuit board is additionally provided with audio, video data interface cable line, CAN data output interface cable
Line and CAN Data Input Interface cable.
Further, the protective device includes aluminum alloy casing and the fire prevention memory module that is arranged in aluminum alloy casing；
The fire prevention memory module includes phase transformation protective shell, the nanometer heat insulation material layer being wrapped on the outside of phase transformation protective shell and for fixing
The stainless steel metal plate wrapping layer of nanometer heat insulation material layer；The storage circuit plate is arranged in phase transformation protective shell.
Further, in the cavity that the PCBA circuit board is fixed on aluminum alloy casing between memory module of preventing fires.
Further, the aluminum alloy casing is provided with for audio, video data interface cable line, CAN Data Input Interface electricity
The core of a cable waterproof port that cable and CAN data output interface cable penetrate.
Further, the aluminum alloy casing includes the fixed aluminum alloy base of docking and aluminium alloy upper cover；The aluminium alloy
The joint of pedestal and aluminium alloy upper cover is provided with seal groove, is provided with sealing ring in the seal groove.
Further, it is provided through on the stainless steel metal plate wrapping layer and nanometer heat insulation material layer for filling phase-transition liquid
The phase-transition liquid filler port overflowed with phase-transition liquid expansion.
The utility model has the advantages that the utility model passes through two storage chips, separate collection CAN data and audio, video data, storage
Space is mutually indepedent, and memory module, storage format in different ways, are solved due to above-mentioned according to respective data characteristics
Storage file difficult management caused by two kinds of data rates are inconsistent, to improve the safety and reliability of CAN data；And
Two storage chips are integrated on one piece of storage wiring board, make full use of the guard space of shielded storage device；By the way that core will be stored
Piece is arranged in protective device, extends memory fire resistance period, improves Information Security.
Detailed description of the invention
Fig. 1 is the sectional structure chart of the utility model；
Fig. 2 is the external view of the utility model.
Specific embodiment
Such as Fig. 1, a kind of shielded storage device of band CAN data recording function, including protective device, PCBA circuit board 1 and set
Set the storage circuit plate 2 in protective device.
The first storage chip for storing CAN data is provided on the storage circuit plate 2 and for storing audio-video
Second storage chip of data.First storage chip and the second storage chip collect CAN data and audio, video data respectively, storage
Space is mutually indepedent, and memory module, storage format in different ways, are solved due to above-mentioned according to respective data characteristics
Storage file difficult management caused by two kinds of data rates are inconsistent,
What the first storage chip and the second storage chip were all made of is eMMC interface modes, the number with external vehicle arrangement
It needs to carry out interface conversion according to transmission.First storage chip and the second storage chip pass through FPC winding displacement and PCBA electricity respectively
Road plate 1 is connected.The CAN data of the first storage chip output carry out data transmission interface conversion by PCBA circuit board 1, this
CAN data output interface cable 4 is USB interface on the PCBA circuit board 1 of embodiment；The disengaging data of second storage chip pass
Defeated interface is converted by PCBA circuit board 1, the audio, video data interface cable line 3 on the PCBA circuit board 1 of the present embodiment
Interface be aviation female GX12-5P.
Burning has a CAN data software processing module on the PCBA circuit board 1, and external CAN data to be stored are from CAN number
It is handled according to input interface cable 5 into CAN data software processing module, is then transmit to the first storage chip.This reality
The CAN Data Input Interface cable 5 for applying example is two, for connecting the multiple devices in vehicle, and uses HG7021-
6.3-21 connector.
The communication interface cable 13 for external communication is additionally provided on PCBA circuit board 1.
The protective device includes aluminum alloy casing 6 and the fire prevention memory module that is arranged in aluminum alloy casing 6.
The aluminum alloy casing 6 includes the fixed aluminum alloy base 6A and aluminium alloy upper cover 6B of docking, easy disassembly；It is described
The joint of aluminum alloy base and aluminium alloy upper cover is provided with seal groove, and sealing ring 11 is provided in the seal groove, rises
To the effect of water proof and dust proof.Aluminum alloy casing 6 effectively prevent fire prevention memory module to be squeezed, the aluminum alloy casing of the present embodiment
6 outer wall is provided with several reinforcing ribs, further enhances crush resistance energy.
The fire prevention memory module includes phase transformation protective shell 7, the nanometer heat insulation material layer for being wrapped in 7 outside of phase transformation protective shell
8 and the stainless steel metal plate wrapping layer 9 for fixing nanometer heat insulation material layer 8.The stainless steel metal plate wrapping layer 9 and nano heat-insulating
The phase-transition liquid filler port 12 for filling phase-transition liquid is provided through in material layer 8.After the completion of filling, phase-transition liquid filler port 12 covers
Lid sealed membrane 14 prevents from leaking out.External high temperature is encountered when in use, phase-transition liquid absorbs amount of heat by phase transition process, liquefy,
14 bursting of sealed membrane is overflowed from phase-transition liquid filler port 12, heat is taken away by evaporation expansion.It is set on stainless steel metal plate wrapping layer 9
It is equipped with fastener, is mounted on outside nanometer heat insulation material layer 8 by by interior sequence outward around package, is fastened by fastener.It is described to deposit
Storage 2 gluing of circuit board is fixed in phase transformation protective shell 7.
Fire prevention memory module is screwed with 2 pedestal of aluminum alloy casing.The PCBA circuit board 1 is fixed on aluminium conjunction
In cavity between golden shell 6 and fire prevention memory module.The aluminum alloy casing 6 is provided with for audio, video data interface cable
The core of a cable waterproof port 10 that line 3, CAN Data Input Interface cable 4 and CAN data output interface cable 5 penetrate.
Claims (9)
1. a kind of shielded storage device of band CAN data recording function, it is characterised in that: including protective device, PCBA circuit board (1)
With the storage circuit plate (2) being arranged in protective device；It is provided on the storage circuit plate (2) for storing CAN data
First storage chip and the second storage chip for storing audio, video data；Burning has CAN number on the PCBA circuit board (1)
According to software processing module, the PCBA circuit board (1) connects the first storage chip, and CAN data software processing module will be wait store
The first storage chip is transmitted to after CAN data processing.
2. the shielded storage device of band CAN data recording function according to claim 1, it is characterised in that: described second deposits
Storage chip connection PCB A circuit board (1) carries out data transmission interface conversion.
3. the shielded storage device of band CAN data recording function according to claim 2, it is characterised in that: described first deposits
Storage chip and the second storage chip pass through FPC winding displacement respectively and are connected with PCBA circuit board (1)；The first storage chip output
CAN data carry out data transmission interface conversion by PCBA circuit board (1).
4. the shielded storage device of band CAN data recording function according to claim 3, it is characterised in that: the PCBA electricity
Road plate (1) is additionally provided with audio, video data interface cable line (3), CAN data output interface cable (4) and the input of CAN data
Interface cable line (5).
5. the shielded storage device of band CAN data recording function according to any one of claims 1-4, it is characterised in that:
The protective device includes the fire prevention memory module of aluminum alloy casing (6) and setting in aluminum alloy casing (6)；The fire prevention is deposited
Storage module includes phase transformation protective shell (7), the nanometer heat insulation material layer (8) being wrapped on the outside of phase transformation protective shell (7) and for fixing
The stainless steel metal plate wrapping layer (9) of nanometer heat insulation material layer (8)；The storage circuit plate (2) is arranged in phase transformation protective shell (7)
It is interior.
6. the shielded storage device of band CAN data recording function according to claim 5, it is characterised in that: the PCBA electricity
In the cavity that road plate (1) is fixed on aluminum alloy casing (6) between memory module of preventing fires.
7. the shielded storage device of band CAN data recording function according to claim 6, it is characterised in that: the aluminium alloy
Shell (6) is provided with defeated for audio, video data interface cable line (3), CAN Data Input Interface cable (4) and CAN data
The core of a cable waterproof port (10) that outgoing interface cable (5) penetrates.
8. the shielded storage device of band CAN data recording function according to claim 5, it is characterised in that: the aluminium alloy
Shell (6) includes the fixed aluminum alloy base (6A) of docking and aluminium alloy upper cover (6B)；On the aluminum alloy base and aluminium alloy
The joint of lid is provided with seal groove, and sealing ring (11) are provided in the seal groove.
9. the shielded storage device of band CAN data recording function according to claim 5, it is characterised in that: the stainless steel
It is provided through on metal plate wrapping layer (9) and nanometer heat insulation material layer (8) and expands spilling for filling phase-transition liquid and phase-transition liquid
Phase-transition liquid filler port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920024535.0U CN209343779U (en) | 2019-01-08 | 2019-01-08 | A kind of shielded storage device of band CAN data recording function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920024535.0U CN209343779U (en) | 2019-01-08 | 2019-01-08 | A kind of shielded storage device of band CAN data recording function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209343779U true CN209343779U (en) | 2019-09-03 |
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ID=67761116
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920024535.0U Active CN209343779U (en) | 2019-01-08 | 2019-01-08 | A kind of shielded storage device of band CAN data recording function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209343779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145389A (en) * | 2019-12-31 | 2020-05-12 | 中国第一汽车股份有限公司 | Vehicle data management method and system |
| CN114501869A (en) * | 2022-01-11 | 2022-05-13 | 湖北汽车工业学院 | Line control chassis electronic chip circuit board protector |
-
2019
- 2019-01-08 CN CN201920024535.0U patent/CN209343779U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111145389A (en) * | 2019-12-31 | 2020-05-12 | 中国第一汽车股份有限公司 | Vehicle data management method and system |
| CN114501869A (en) * | 2022-01-11 | 2022-05-13 | 湖北汽车工业学院 | Line control chassis electronic chip circuit board protector |
| CN114501869B (en) * | 2022-01-11 | 2024-06-07 | 湖北汽车工业学院 | Wire control chassis electronic chip circuit board protection device |
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