CN114425994B - Vehicle-mounted three-proofing tablet personal computer of safety protection system - Google Patents
Vehicle-mounted three-proofing tablet personal computer of safety protection system Download PDFInfo
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- CN114425994B CN114425994B CN202210097405.6A CN202210097405A CN114425994B CN 114425994 B CN114425994 B CN 114425994B CN 202210097405 A CN202210097405 A CN 202210097405A CN 114425994 B CN114425994 B CN 114425994B
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- 230000000694 effects Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 77
- 230000008859 change Effects 0.000 claims description 63
- 238000012545 processing Methods 0.000 claims description 19
- 238000012795 verification Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000000007 visual effect Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 238000013506 data mapping Methods 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 4
- 238000013507 mapping Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000000153 supplemental effect Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0252—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for personal computers, e.g. laptops, notebooks
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C2011/003—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for portable computing devices, e.g. laptop, tablet, netbook, game boy, navigation system, calculator
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention relates to the technical field of computers, and discloses a vehicle-mounted three-proofing tablet personal computer of a safety protection system. This safety protection system's on-vehicle three proofings panel computer through the equal fixedly connected with vaulting pole in lower part that drives four computer protection jackets, and drive the vaulting pole and pass the inside of blotter, can drive the activity orbit of device vaulting pole and prescribe a limit to install the spring between device computer protection jacket and the cushion, through when using, under the pressure effect received the panel computer, can drive the vaulting pole and move in the inside of blotter to carry out elastic buffering's effect through the spring, can play the buffering effect when the automobile is gone to the road section of jolting, avoid causing the problem of jolting damage to the panel computer.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a vehicle-mounted three-proofing tablet personal computer of a safety protection system.
Background
When the automobile is used, in order to increase the intelligence of an automobile internal system, the three-proofing tablet personal computer can be installed in the automobile, the route and the like are conveniently planned and controlled, and the protection performance of the vehicle-mounted three-proofing tablet personal computer is improved, the installation is convenient and fast, so that the vehicle-mounted three-proofing tablet personal computer of the safety protection system is developed.
In the vehicle-mounted three-proofing tablet personal computer of the existing safety protection system, in the operation of the computer, a computer power supply is mutually connected with an automobile power supply, when the automobile is flameout, the tablet personal computer is not enough in power supply, so that the computer is directly powered off, an internal system of the computer is driven to cause abnormal power off, the problem of file damage of the computer system is caused, and the problem that the next computer is wrongly reported and cannot be started normally is solved.
Disclosure of Invention
Aiming at the defects of the vehicle-mounted three-proofing tablet personal computer of the existing safety protection system, the invention provides the vehicle-mounted three-proofing tablet personal computer of the safety protection system, which has the advantages that the power-off detection device is arranged in the movable sleeve of the power-off detection device, when the computer is powered off, the power-off detection device is driven to receive signals, and the power-off detection device is driven to control the tablet personal computer to perform power-off treatment, so that the damage to the internal system of the tablet personal computer caused by abnormal power-off of the tablet personal computer can be avoided, and the problems raised in the background art are solved.
The invention provides the following technical scheme: the utility model provides a safety protection system's on-vehicle three proofings panel computer, includes that computer protection presss from both sides cover, head rod, second connecting rod and bottom sprag press from both sides the cover, the inboard activity that computer protection pressed from both sides the cover has cup jointed the panel computer, the outside fixedly connected with vaulting pole of computer protection press from both sides cover lower part, the outside activity of vaulting pole lower part has cup jointed the blotter, the middle part activity of computer protection press from both sides cover lower part has cup jointed the spring, the upper portion fixedly connected with outage detection device movable sleeve in the bottom sprag press from both sides the cover outside, outage detection device movable sleeve's internally mounted has outage detection device, the corner closing plate is installed at the four corners on outage detection device movable sleeve upper portion.
Preferably, the middle part of bottom sprag cover lower part activity has cup jointed bottom sucking disc, bottom sprag cover can rotate trilateral sixty degrees around the upper portion of bottom sucking disc.
Preferably, the middle part fixedly connected with side support plate outside the head rod limiting sleeve, the inside threaded connection of side support plate has the threaded rod, the lower part activity of threaded rod has cup jointed the sucking disc, one is all installed in the outside of the head rod limiting sleeve of both sides to the side support plate, the both sides of car control cabinet are hugged closely to the lower part of sucking disc.
Preferably, the lower part fixedly connected with spliced pole of blotter, the lower part fixedly connected with corner connecting plate of spliced pole, the front end fixedly connected with head rod of corner connecting plate, one side fixedly connected with second connecting rod of corner connecting plate, corner connecting plate is respectively installed one in the four corners of panel computer lower part, be ninety degrees vertical state between head rod and the second connecting rod.
Preferably, the outside activity of second connecting rod opposite side has cup jointed second connecting rod and has restricted the cover, the inboard fixedly connected with third connecting rod of second connecting rod restriction cover, the outside activity of first connecting rod opposite side has cup jointed first connecting rod restriction cover, the outside activity of first connecting rod restriction cover one side has cup jointed bottom support jacket, first connecting rod restriction cover is the T font, first connecting rod activity cup joints the inside of first connecting rod restriction cover both sides, the inboard protruding pole activity of first connecting rod restriction cover cup joints the inside of bottom support jacket one side, a movable jacket is respectively installed to the both sides of second connecting rod restriction cover, the inside of third connecting rod activity cup joint in bottom support jacket front and back end.
Preferably, the computer protection jacket is movably sleeved outside the corner of the tablet computer, four supporting rods are arranged between the computer protection jacket and the buffer pad, nuts are arranged on the outer side of the lower part of the buffer pad, and the springs are clamped between the computer protection jacket and the buffer pad.
Preferably, the outage detection device is clamped between the bottom supporting jacket and the corner sealing plate, a fastening bolt is arranged in the outer side of the corner sealing plate, a groove is formed in the front end of the movable sleeve of the outage detection device, and the outage detection device is connected with the tablet personal computer and an automobile power supply respectively.
Preferably, a safety protection system's on-vehicle three proofings panel computer, outage detection device still includes:
the signal acquisition unit is used for acquiring a power supply signal of the tablet personal computer based on the power-off detection device;
the signal processing unit is used for carrying out step-down processing on the power supply signal to obtain a visual square wave signal;
the first signal reading unit is used for reading the visual square wave signal and determining the change characteristics of the output level of the visual square wave signal;
the first judging unit is used for judging whether the tablet personal computer is powered off according to the output level change characteristics;
when the output level change characteristic shows a high level, judging that the tablet personal computer is not powered off;
when the output level change characteristic shows a low level, judging that the tablet personal computer is powered off;
the second judging unit is used for judging whether the power-off detection device receives a target power-off instruction or not when the panel computer is powered off, determining a judging result, and simultaneously determining whether the panel computer is abnormally powered off or not according to the judging result;
the first processing unit is used for receiving a target shutdown instruction by the power-off detection device when the judging result is Y, judging that the tablet personal computer is not abnormally powered off, and transmitting the target shutdown instruction to the tablet personal computer for shutdown processing;
the second processing unit is used for when the judging result is N, the power-off detection device does not receive a target power-off instruction, judges that the tablet personal computer is abnormally powered off, and generates a feedback detection signal;
the second signal reading unit is used for reading the feedback detection signal, detecting background operation data of the tablet personal computer when the tablet personal computer is not powered off according to the feedback detection signal, and determining a first operation node according to the background operation data;
the second signal reading unit is further configured to detect operation data of the computer when the tablet computer is not powered off according to the feedback detection signal, and determine a second operation node according to the operation data;
the operation information acquisition unit is used for constructing an operation state linear chain table of the tablet personal computer when the power failure does not occur based on the first operation node and the second operation node, and determining the operation information of the tablet personal computer when the power failure does not occur according to the operation state linear chain table;
and the information recovery unit is used for backing up and storing the operation information in a standby database, and recovering the operation information when the tablet personal computer is started next time.
Preferably, a safety protection system's on-vehicle three proofings panel computer, panel computer still includes:
the operation file acquisition unit is used for acquiring an operation file of the tablet personal computer when the tablet personal computer is powered off and determining a file directory entry of the operation file when the tablet personal computer is not powered off, and simultaneously, reading a write operation instruction in the file directory entry;
the data writing unit is used for filling the file data of the running file into the corresponding data block in the file directory entry based on the writing operation instruction;
the monitoring unit is used for backing up the file data in the data block according to the system call objective function of the tablet personal computer, monitoring the backup event according to the objective function and obtaining a monitoring result;
the verification unit is used for determining whether the file data change according to the monitoring result, and generating a file change verification code when the file data change;
the verification unit is also used for inputting the file change verification code into a preset data window for verification, and determining whether the file data change is artificial operation or not according to a verification result;
when the data window receives the file change check code, determining that the file data is changed into artificial operation;
when the data window rejects the file change check code, determining that the file data change is not manually operated;
the updating unit is used for acquiring a check value of the file change check code when the file data is changed into manual operation, and updating a data cluster corresponding to the operation file in the data block according to the check value;
the data interception unit is used for carrying out supplementary interception on the changed file data according to the backup result of the file data in the data block when the file data is changed and is not operated manually;
and the data isolation unit is used for determining a data mapping block according to the supplementary interception state and mapping and isolating the file data in the data mapping block.
Compared with the vehicle-mounted three-proofing tablet personal computer of the existing safety protection system, the invention has the following beneficial effects:
1. this safety protection system's on-vehicle three proofings panel computer through the equal fixedly connected with vaulting pole in lower part that drives four computer protection jackets, and drive the vaulting pole and pass the inside of blotter, can drive the activity orbit of device vaulting pole and prescribe a limit to install the spring between device computer protection jacket and the cushion, through when using, under the pressure effect received the panel computer, can drive the vaulting pole and move in the inside of blotter to carry out elastic buffering's effect through the spring, can play the buffering effect when the automobile is gone to the road section of jolting, avoid causing the problem of jolting damage to the panel computer.
2. This safety protection system's on-vehicle three proofings panel computer installs in the inside of outage detection device movable cover through drive device outage detection device to install the corner closing plate on the upper portion of outage detection device movable cover, can splice the restriction to outage detection device's position, set up flutedly in the inside of outage detection device movable cover front end simultaneously, and drive the connecting wire and splice between car power supply and the panel computer respectively, can drive car power supply and supply power to the panel computer, when the car is flameout simultaneously, drive device outage detection device received signal, and carry out shutdown processing to the panel computer, thereby avoid panel computer internal system illegal outage, lead to the problem that causes the damage to the system file of panel computer internal, the integrality of effectual guarantee system.
3. The method is beneficial to improving the detection accuracy of power failure detection, protecting the operation information, preventing files from being damaged, and guaranteeing the stability of a system.
4. By monitoring the file data, whether the file data change is determined, so that the operation file in the tablet computer is monitored, when the file data change is not a manual operation, the file data is intercepted, the file data is mapped and isolated in a data mapping area, and further the lost data is saved, so that the data integrity of the tablet computer is ensured, and the system file is not damaged due to power failure.
5. The method comprises the steps of determining lost data, extracting known data on the left side and known data on the right side of the lost data, forming a point column, determining an assignment change function, and locking the value of the final lost data according to the preset data precision and target conditions, so that data loss is avoided, and system integrity is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a structural body of the present invention;
FIG. 2 is a schematic bottom view of the main structure of the present invention;
FIG. 3 is a schematic cross-sectional view of a structural body of the present invention;
FIG. 4 is an enlarged schematic view of a portion of a buffer clamping device according to the present invention;
fig. 5 is an enlarged schematic view of a portion of the power-off clamping device according to the present invention.
In the figure: 1. a computer protective jacket; 2. a tablet computer; 3. a support rod; 4. a cushion pad; 5. a spring; 6. a connecting column; 7. corner connecting plates; 8. a first connecting rod; 9. a second connecting rod; 10. the second connecting rod defines a sleeve; 11. a third connecting rod; 12. the first connecting rod defines a sleeve; 13. a bottom support jacket; 14. a movable sleeve of the power-off detection device; 15. a power-off detection device; 16. corner sealing plates; 17. a bottom sucker; 18. a side support plate; 19. a threaded rod; 20. and a sucking disc.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a vehicle-mounted three-protection tablet personal computer of a safety protection system comprises a computer protection jacket 1, a first connecting rod 8, a second connecting rod 9 and a bottom support jacket 13, wherein a tablet personal computer 2 is movably sleeved on the inner side of the computer protection jacket 1, the tablet personal computer 2 controls the computer to operate, a supporting rod 3 is fixedly connected on the outer side of the lower part of the computer protection jacket 1, the supporting rod 3 limits the upper and lower movements of the computer protection jacket 1, a buffer cushion 4 is movably sleeved on the outer side of the lower part of the supporting rod 3, the buffer cushion 4 limits the movable track of the supporting rod 3, a spring 5 is movably sleeved on the middle part of the lower part of the computer protection jacket 1, the spring 5 drives corners of the computer protection jacket 1 to provide buffer capacity, a power-off detection device movable sleeve 14 is fixedly connected on the outer side of the bottom support jacket 13, the power-off detection device movable sleeve 14 clamps and limits the position of the power-off detection device 15, the power-off detection device 15 is arranged in the inner part of the power-off detection device movable sleeve 14, the power-off detection device 15 is connected between the power supply and the tablet personal computer 2, when the automobile power-off detection device 15 receives information, the outside the lower part of the tablet personal computer 2 is driven to be powered off, the power-off device is prevented from being normally, the problem that the sealing plate 16 is normally is blocked, and the sealing plate 16 is prevented from being mounted at the corners, and the corners is normally, when the power-off device is not normally installed, and the sealing plate 16 is protected.
Referring to fig. 3, the middle part of the lower part of the bottom supporting jacket 13 is movably sleeved with the bottom suction cup 17, the bottom supporting jacket 13 can rotate three sides and sixty degrees around the upper part of the bottom suction cup 17, the bottom suction cup 17 is movably sleeved with the middle part of the lower part of the bottom supporting jacket 13 through the driving device, the bottom suction cup 17 can rotate three hundred and sixty degrees around the bottom supporting jacket 13, the bottom suction cup 17 is driven to cling to the upper part of the automobile console through the driving device, the economic department drives the bottom suction cup 17 to splice and install with the inside of the automobile, and meanwhile the bottom supporting jacket 13 can rotate three hundred and sixty degrees around the upper part of the bottom suction cup 17, so that the angle adjustment function of the tablet personal computer 2 can be driven.
Referring to fig. 3, the middle part outside the first connecting rod limiting sleeve 12 is fixedly connected with a side supporting plate 18, the inside thread of the side supporting plate 18 is connected with a threaded rod 19, the lower part of the threaded rod 19 is movably sleeved with a suction cup 20, the side supporting plate 18 is arranged on the outer sides of the first connecting rod limiting sleeves 12 on two sides, the lower part of the suction cup 20 is tightly attached to two sides of an automobile control console, the side supporting plate 18 is fixedly connected on the outer sides of the first connecting rod limiting sleeves 12 through driving devices, the threaded rod 19 is rotated to drive the threaded rod 19 to perform thread movement with the side supporting plate 18, the lower part of the suction cup 20 is driven to squeeze on two sides of the upper part of the automobile control console, and the position of the bottom supporting jacket 13 can be driven to limit after the angle of the bottom supporting jacket 13 is adjusted.
Referring to fig. 2, the connecting post 6 is fixedly connected to the lower portion of the cushion pad 4, the corner connecting plate 7 is fixedly connected to the lower portion of the connecting post 6, the first connecting rod 8 is fixedly connected to the front end of the corner connecting plate 7, the second connecting rod 9 is fixedly connected to one side of the corner connecting plate 7, one corner connecting plate 7 is respectively installed at four corners of the lower portion of the tablet personal computer 2, ninety degrees of vertical states are formed between the first connecting rod 8 and the second connecting rod 9, the connecting post 6 is fixedly connected between the spring 5 and the corner connecting plate 7 through driving devices, when the supporting rod 3 can be driven to move downwards, the supporting rod 3 can be driven to provide a moving track, ninety degrees of motion can be kept between the first connecting rod 8 and the second connecting rod 9 through the driving devices, and stability can be increased when the positions of the first connecting rod 8 and the second connecting rod 9 are driven to adjust.
Referring to fig. 4, a second connecting rod defining sleeve 10 is movably sleeved outside the other side of the second connecting rod 9, a third connecting rod 11 is fixedly connected to the inner side of the second connecting rod defining sleeve 10, a first connecting rod defining sleeve 12 is movably sleeved outside the other side of the first connecting rod 8, a bottom supporting jacket 13 is movably sleeved outside one side of the first connecting rod defining sleeve 12, the first connecting rod defining sleeve 12 is T-shaped, the first connecting rod 8 is movably sleeved inside two sides of the first connecting rod defining sleeve 12, an inner convex rod of the first connecting rod defining sleeve 12 is movably sleeved inside one side of the bottom supporting jacket 13, one movable jacket is respectively mounted on two sides of the second connecting rod defining sleeve 10, the third connecting rod 11 is movably sleeved inside the front end and the rear end of the bottom supporting jacket 13, the first connecting rod defining sleeve 12 is T-shaped through the device, meanwhile, the first connecting rods 8 are movably sleeved on the two sides of the first connecting rod limiting sleeve 12 respectively, the positions of the first connecting rods 8 in the first connecting rod limiting sleeve 12 can be adjusted, the positions of the third connecting rods 11 in the front end and the rear end of the bottom supporting jacket 13 can be adjusted simultaneously, the whole computer protecting jacket 1 can be driven to be adjusted in a front-back reducing mode, the inner sides of the first connecting rod limiting sleeve 12 are adjusted in the two sides of the bottom supporting jacket 13, the positions of the left end and the right end of the computer protecting jacket 1 can be driven to be adjusted in a second connecting rod limiting sleeve 10, the computer protecting jacket 1 can be driven to be extruded and limited according to the size of the tablet computer 2, and therefore the tablet computer 2 can be driven to be clamped and limited when the sizes of the tablet computer 2 are different.
Referring to fig. 1 and 4, the computer protection jacket 1 is movably sleeved outside the corner of the tablet computer 2, four supporting rods 3 are arranged between the computer protection jacket 1 and the buffer pad 4, nuts are arranged on the outer side of the lower portion of the buffer pad 4, springs 5 are clamped between the computer protection jacket 1 and the buffer pad 4, the supporting rods 3 are fixedly connected to the lower portions of the four computer protection jackets 1 through driving, the supporting rods 3 penetrate through the inside of the buffer pad 4, the movable track of the supporting rods 3 can be driven to be limited, the springs 5 are arranged between the computer protection jacket 1 and the buffer pad 4, when the tablet computer 2 is under the pressure action in use, the supporting rods 3 can be driven to move inside the buffer pad 4 through the elastic buffering action of the springs 5, the buffer effect can be achieved when the automobile runs to a bumpy road section, and the problem of bumpy damage to the tablet computer 2 is avoided.
Referring to fig. 3 and 5, the power-off detection device 15 is clamped between the bottom supporting jacket 13 and the corner sealing plate 16, the fastening bolt is installed inside the outer side of the corner sealing plate 16, the front end of the power-off detection device movable sleeve 14 is provided with a groove, the power-off detection device 15 is respectively connected with the tablet computer 2 and the automobile power supply, the power-off detection device 15 is installed inside the power-off detection device movable sleeve 14 through the driving device, the corner sealing plate 16 is installed on the upper portion of the power-off detection device movable sleeve 14, the position of the power-off detection device 15 can be spliced and limited, meanwhile, the groove is formed inside the front end of the power-off detection device movable sleeve 14, the driving connection wire is respectively spliced with the automobile power supply and the tablet computer 2, the automobile power supply can be driven to supply power to the tablet computer 2, and meanwhile, when the automobile is flameout, the driving device power-off detection device 15 receives signals, and shuts down the tablet computer 2, so that the problem that an internal system of the tablet computer 2 is illegally powered off is avoided, and the damage to a system file inside the tablet computer 2 is caused, and the integrity of the system is effectively guaranteed.
Working principle: when the intelligent control device is used, according to the size of the tablet personal computer 2, the first connecting rod 8 is arranged at the position inside the first connecting rod limiting sleeve 12, the second connecting rod 9 is arranged at the position inside the second connecting rod limiting sleeve 10, the third connecting rod 11 and the inner side of the first connecting rod limiting sleeve 12 are arranged at the position inside the bottom supporting jacket 13, the computer protecting jacket 1 is driven to extrude and limit the outer side of the tablet personal computer 2, so that the tablet personal computer 2 can be protected, the device power-off detection device 15 is driven to be connected with the tablet personal computer 2 and an automobile power supply respectively, the bottom sucker 17 is driven to be arranged inside the automobile, the threaded rod 19 is rotated after the angle of the tablet personal computer 2 is adjusted, the sucker 20 is driven to limit the position of the tablet personal computer 2, and meanwhile, the device power-off detection device 15 is driven to receive signals when the automobile is powered off, the tablet personal computer 2 is driven to be powered off, the problem that the tablet personal computer 2 is illegally powered off, and damage to system files inside the tablet personal computer 2 is caused can be avoided, and the integrity of a system is effectively guaranteed.
The embodiment provides a safety protection system's on-vehicle three proofings panel computer, outage detection device 15 still includes:
a signal acquisition unit, configured to acquire a power signal of the tablet computer 2 based on the power-off detection device 15;
the signal processing unit is used for carrying out step-down processing on the power supply signal to obtain a visual square wave signal;
the first signal reading unit is used for reading the visual square wave signal and determining the change characteristics of the output level of the visual square wave signal;
the first judging unit is used for judging whether the tablet personal computer 2 is powered off according to the output level change characteristics;
when the output level change characteristic shows a high level, judging that the tablet personal computer 2 is not powered off;
when the output level change characteristic shows a low level, judging that the tablet personal computer 2 is powered off;
the second judging unit is configured to judge whether the power-off detection device 15 receives a target power-off instruction when the tablet computer 2 is powered off, determine a judging result, and determine whether the tablet computer 2 is abnormally powered off according to the judging result;
the first processing unit is configured to, when the determination result is Y, receive a target shutdown instruction by the power-off detection device 15, determine that the tablet computer 2 is not abnormally powered off, and transmit the target shutdown instruction to the tablet computer 2 for performing shutdown processing;
the second processing unit is configured to, when the determination result is N, determine that the tablet computer 2 is abnormally powered off and generate a feedback detection signal when the power-off detection device 15 does not receive the target power-off instruction;
the second signal reading unit is used for reading the feedback detection signal, detecting background operation data of the tablet personal computer 2 when power failure does not occur according to the feedback detection signal, and determining a first operation node according to the background operation data;
the second signal reading unit is further configured to detect operation data of the computer when the tablet computer 2 is not powered off according to the feedback detection signal, and determine a second operation node according to the operation data;
an operation information obtaining unit, configured to construct an operation state linear chain table of the tablet computer 2 when no power failure occurs based on the first operation node and the second operation node, and determine operation information of the tablet computer 2 when no power failure occurs according to the operation state linear chain table;
and the information recovery unit is used for backing up and storing the operation information in a standby database, and recovering the operation information when the tablet computer 2 is started next time.
In this embodiment, the visual square wave signal may be a square wave signal obtained by performing a step-down process on the power signal, and the level of the power signal may be accurately determined by the visual square wave signal.
In this embodiment, the output level change feature may be to determine the signal high-low level of the visible square wave signal, and the low level when the tablet computer 2 is powered off, and the high level when the tablet computer 2 is running.
In this embodiment, the target shutdown command may be a command for manually shutting down the tablet pc 2 when the automobile is turned off and powered off.
In this embodiment, the feedback detection signal may be a feedback detection signal generated based on an abnormal power-off condition when the tablet computer 2 is abnormally powered off, and is used to detect the system operation of the tablet computer 2 when the power-off is not generated.
In this embodiment, the first operation node may be background operation data when the tablet computer 2 is not powered off, where the background operation data may be, for example, operation program data of a background of the tablet computer 2: such as music program data, navigation program data, etc.
In this embodiment, the second operation node may determine that the operation data of the computer is operation data when the tablet computer 2 is not powered off, where the operation data may be the current road condition data and the route data reaching the destination when the navigation program is started in the tablet computer 2.
In this embodiment, the running state linear linked list may be a running state linear linked list generated by performing one-to-one correspondence on a first running node (i.e. background running data) and a second running node (i.e. operation data of the tablet computer 2) of the tablet computer 2.
In this embodiment, the operation information may be an operation program of the tablet computer 2 when the power is not turned off and program data, for example, the operation program is: music program, program execution data are: the current playing music is: praise with joy.
The beneficial effects of the technical scheme are as follows: the method comprises the steps of determining a power signal of the tablet personal computer 2, determining a visual square wave signal through voltage reduction processing, determining whether the tablet personal computer 2 is powered off through determining the change characteristic of the output level of the visual square wave signal, determining whether the tablet personal computer 2 is abnormally powered off through judging whether a power-off detection device 15 receives a target power-off instruction, performing power-off processing according to the target power-off instruction when the power is not abnormally powered off, acquiring a first operation node and a second operation node when the power is abnormally powered off, determining the operation information of the tablet personal computer 2 when the power is not powered off according to an established operation state linear chain table, and restoring the operation information in the tablet personal computer 2 when the tablet personal computer 2 is started next time through backup storage.
The embodiment provides a vehicle-mounted three-proofing tablet personal computer of a safety protection system, the tablet personal computer 2 further comprises:
an operation file obtaining unit, configured to obtain an operation file of the tablet computer 2 when the tablet computer 2 is powered off and determine a file directory entry of the operation file, and at the same time, read a write operation instruction in the file directory entry;
the data writing unit is used for filling the file data of the running file into the corresponding data block in the file directory entry based on the writing operation instruction;
the monitoring unit is used for backing up the file data in the data block according to the system call objective function of the tablet personal computer 2, monitoring the backup event according to the objective function and obtaining a monitoring result;
the verification unit is used for determining whether the file data change according to the monitoring result, and generating a file change verification code when the file data change;
the verification unit is also used for inputting the file change verification code into a preset data window for verification, and determining whether the file data change is artificial operation or not according to a verification result;
when the data window receives the file change check code, determining that the file data is changed into artificial operation;
when the data window rejects the file change check code, determining that the file data change is not manually operated;
the updating unit is used for acquiring a check value of the file change check code when the file data is changed into manual operation, and updating a data cluster corresponding to the operation file in the data block according to the check value;
the data interception unit is used for carrying out supplementary interception on the changed file data according to the backup result of the file data in the data block when the file data is changed and is not operated manually;
and the data isolation unit is used for determining a data mapping block according to the supplementary interception state and mapping and isolating the file data in the data mapping block.
In this embodiment, the target call function may be a monitoring function based on an API algorithm.
In this embodiment, the file directory entry may be a determined file target entry based on the file type of the file running the file.
In this embodiment, the write operation instruction may be an instruction for filling out file data of the running file into a specified location (i.e., a data block).
In this embodiment, the listening result may be that the file data is included as original data or that the file data is changed, etc.
In this embodiment, the change check code is used to determine whether the user is an operation, when the user operation data is changed, the preset data window receives the file change check code, and when the user operation data is not changed, the preset data window does not receive the file change check code, wherein the file change check code changes along with the change of the running file.
In this embodiment, the data cluster may be a data cluster in which the operation file of the change data is changed when the data of the manual operation file is changed, and the change data and the data surrounding the change data are formed.
In this embodiment, since the file data in the data block is backed up, when the file data fluctuates, the fluctuating file data is additionally intercepted by the backup result.
In this embodiment, the supplemental interception state may be a state such as a data amount for supplemental interception of changed file data.
In this embodiment, the data mapping block may be a block that performs mapping isolation after determining to perform supplementary interception on the file data according to the supplementary interception state (such as the amount of the supplementary intercepted data).
The beneficial effects of the technical scheme are as follows: by monitoring the file data, whether the file data change is determined, so that the operation file in the tablet computer 2 is monitored, and when the file data change is not a manual operation, the file data is intercepted, and the file data is mapped and isolated in a data mapping area, so that the lost data is saved, the data integrity of the tablet computer 2 is ensured, and the system file is not damaged due to power failure.
The embodiment provides a quick-start's on-vehicle three proofings panel computer, outage detection device 15 still includes:
the data acquisition unit is used for acquiring the original storage data of the tablet personal computer 2, and simultaneously, acquiring the current storage data after the tablet personal computer 2 is restarted;
the data checking unit is used for checking the original storage data and the current storage data in a one-to-one correspondence mode according to a preset data flag bit, and determining whether the current storage data has lost data according to a checking result, wherein the lost data is greater than or equal to 1;
a known data extraction unit for determining the lost data as x n The method comprises the steps of carrying out a first treatment on the surface of the And the lost data s n Is present in the lost data x n A known data are taken to the left of the (a) and are found in the missing data x n B known data, where a≡b;
a data processing unit for supplementing the lost data according to a preset method and reconstructing the left a known data and the right b known data into a point column {(s) 0 ,t 0 )...(s i ,t i )...(s a+b-1 ,t a+b-1 ) (s) wherein 0 ,t 0 )...(s i ,t i )...(s a+b-1 ,t a+b-1 ) Is a metric space;
a calculation unit for comparing s 0 、s 1 ...s a+b-1 Assignment to w 0 、w 1 ...w a+b-1 Determining an assignment change function according to the following formula;
wherein w identifies the assignment change function; t is t n Representing a metric corresponding to the nth data; t is t i-1 Representing metrics corresponding to the i-1 th data; w (w) i Representing a target assignment corresponding to the ith data; t is t i Representing a metric corresponding to the i-th data; w (w) i-1 Represents the i-1 th numberAssigning a value according to the corresponding target;
the numerical value confirmation unit is used for acquiring preset data precision, and determining the numerical value of the lost data according to the change condition of the target assignment calculated by the assignment change function based on the preset data precision and the target condition;
wherein the target condition is when |w i -w i-1 And if the I is not less than phi, continuing to perform cyclic calculation according to the assignment change function, andrepresenting the preset data precision;
when |w i -w i-1 |<Phi, determine x n ＝w i And apply the x n And supplementing the preset data zone bit.
In this embodiment, the preset data precision may be set in advance according to the number of data in the data unit and the complexity of the data, and is used to measure whether to determine the specific value of the lost data.
In this embodiment, the assignment change function may determine a change condition of the target assignment by assignment, and further, when a preset condition is satisfied, the assignment change function is used as a value of the final lost data according to the calculated corresponding target assignment value.
In this embodiment, the preset method may be a Neville interpolation method.
The beneficial effects of the technical scheme are as follows: the method comprises the steps of determining lost data, extracting known data on the left side and known data on the right side of the lost data, forming a point column, determining an assignment change function, and locking the value of the final lost data according to the preset data precision and target conditions, so that data loss is avoided, and system integrity is guaranteed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a on-vehicle three proofings panel computer of safety protection system, includes computer protection clamp cover (1), head rod (8), second connecting rod (9) and bottom sprag clamp cover (13), its characterized in that: the intelligent power-off protection device is characterized in that a tablet personal computer (2) is movably sleeved on the inner side of a computer protection jacket (1), a supporting rod (3) is fixedly connected to the outer side of the lower portion of the computer protection jacket (1), a buffer pad (4) is movably sleeved on the outer side of the lower portion of the supporting rod (3), a spring (5) is movably sleeved on the middle portion of the lower portion of the computer protection jacket (1), a power-off detection device movable sleeve (14) is fixedly connected to the upper portion of the outer side of a bottom support jacket (13), a power-off detection device (15) is arranged in the power-off detection device movable sleeve (14), and corner sealing plates (16) are arranged at four corners of the upper portion of the power-off detection device movable sleeve (14);
the lower part of the cushion pad (4) is fixedly connected with a connecting column (6), the lower part of the connecting column (6) is fixedly connected with a corner connecting plate (7), the corner connecting plate (7) is fixedly connected with a first connecting rod (8) and a second connecting rod (9) which are distributed in a ninety-degree vertical state, and one corner connecting plate (7) is respectively arranged at four corners of the lower part of the tablet personal computer (2);
the outside activity of second connecting rod (9) opposite side has cup jointed second connecting rod and has limited cover (10), the inboard fixedly connected with third connecting rod (11) of second connecting rod limit cover (10), the outside activity of first connecting rod (8) opposite side has cup jointed first connecting rod limit cover (12), the outside activity of first connecting rod limit cover (12) one side has cup jointed bottom support jacket (13), first connecting rod limit cover (12) are the T font, first connecting rod (8) activity cup joints in the inside of first connecting rod limit cover (12) both sides, is located the protruding pole activity cup joints in the inside of bottom support jacket (13) one side of first connecting rod limit cover (12), a movable jacket is installed respectively to the both sides of second connecting rod limit cover (10), third connecting rod (11) activity cup joints in the inside of bottom support jacket (13) front and back end;
the middle part outside the first connecting rod limiting sleeve (12) is fixedly connected with a side supporting plate (18), a threaded rod (19) is connected to the inside of the side supporting plate (18) in a threaded mode, a sucker (20) is movably sleeved at the lower portion of the threaded rod (19), one side supporting plate (18) is mounted on the outer side of the first connecting rod limiting sleeve (12) at two sides of the length direction of the tablet personal computer (2), and the lower portion of the sucker (20) is clung to two sides of an automobile console;
the power-off detection device (15) is clamped between the bottom supporting jacket (13) and the corner sealing plate (16), a fastening bolt is arranged in the outer side of the corner sealing plate (16), a groove is formed in one side end of the movable sleeve (14) of the power-off detection device, and the power-off detection device (15) is respectively connected with the tablet personal computer (2) and an automobile power supply;
the power outage detection device (15) further comprises:
the signal acquisition unit is used for acquiring a power supply signal of the tablet personal computer (2) based on the power-off detection device (15);
the signal processing unit is used for carrying out step-down processing on the power supply signal to obtain a visual square wave signal;
the first signal reading unit is used for reading the visual square wave signal and determining the change characteristics of the output level of the visual square wave signal;
the first judging unit is used for judging whether the tablet personal computer (2) is powered off according to the output level change characteristics;
when the output level change characteristic shows a high level, judging that the tablet personal computer (2) is not powered off;
when the output level change characteristic shows a low level, judging that the tablet personal computer (2) is powered off;
the second judging unit is used for judging whether the power-off detection device (15) receives a target power-off instruction or not when the tablet personal computer (2) is powered off, determining a judging result, and simultaneously determining whether the tablet personal computer (2) is abnormally powered off according to the judging result;
the first processing unit is used for receiving a target shutdown instruction by the power-off detection device (15) when the judging result is Y, judging that the tablet personal computer (2) is not abnormally powered off, and transmitting the target shutdown instruction to the tablet personal computer (2) to perform shutdown processing;
the second processing unit is used for when the judging result is N, the power-off detection device (15) does not receive a target power-off instruction, judges that the tablet personal computer (2) is abnormally powered off, and generates a feedback detection signal;
the second signal reading unit is used for reading the feedback detection signal, detecting background operation data of the tablet personal computer (2) when power failure does not occur according to the feedback detection signal, and determining a first operation node according to the background operation data;
the second signal reading unit is further used for detecting operation data of the computer when the tablet computer (2) is not powered off according to the feedback detection signal, and determining a second operation node according to the operation data;
an operation information acquisition unit, configured to construct an operation state linear chain table of the tablet computer (2) when no power failure occurs based on the first operation node and the second operation node, and determine operation information of the tablet computer (2) when no power failure occurs according to the operation state linear chain table;
and the information recovery unit is used for backing up and storing the operation information in a standby database, and recovering the operation information when the tablet personal computer (2) is started next time.
2. The vehicle-mounted three-proofing tablet computer of the safety protection system according to claim 1, wherein: the middle part of bottom support clamp cover (13) lower part has movably cup jointed bottom sucking disc (17), bottom support clamp cover (13) can rotate three hundred sixty degrees around the upper portion of bottom sucking disc (17).
3. The vehicle-mounted three-proofing tablet computer of the safety protection system according to claim 1, wherein: the computer protection jacket (1) is movably sleeved outside corners of the tablet personal computer (2), four supporting rods (3) are arranged between the computer protection jacket (1) and the buffer pad (4), nuts are arranged on the outer side of the lower portion of the buffer pad (4), and springs (5) are clamped between the computer protection jacket (1) and the buffer pad (4).
4. The vehicle-mounted three-proofing tablet computer of the safety protection system according to claim 1, wherein the tablet computer (2) further comprises:
the operation file acquisition unit is used for acquiring an operation file of the tablet personal computer (2) when the tablet personal computer (2) is powered off, determining a file directory entry of the operation file, and simultaneously reading a write operation instruction in the file directory entry;
the data writing unit is used for filling the file data of the running file into the corresponding data block in the file directory entry based on the writing operation instruction;
the monitoring unit is used for backing up file data in the data block according to a system call objective function of the tablet personal computer (2), monitoring a backup event according to the objective function and obtaining a monitoring result;
the verification unit is used for determining whether the file data change according to the monitoring result, and generating a file change verification code when the file data change;
the verification unit is also used for inputting the file change verification code into a preset data window for verification, and determining whether the file data change is artificial operation or not according to a verification result;
when the data window receives the file change check code, determining that the file data is changed into artificial operation;
when the data window rejects the file change check code, determining that the file data change is not manually operated;
the updating unit is used for acquiring a check value of the file change check code when the file data is changed into manual operation, and updating a data cluster corresponding to the operation file in the data block according to the check value;
the data interception unit is used for carrying out supplementary interception on the changed file data according to the backup result of the file data in the data block when the file data is changed and is not operated manually;
and the data isolation unit is used for determining a data mapping block according to the supplementary interception state and mapping and isolating the file data in the data mapping block.
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