CN104978286A - Acquisition method and system for portable law enforcement recorder - Google Patents
Acquisition method and system for portable law enforcement recorder Download PDFInfo
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- CN104978286A CN104978286A CN201510378316.9A CN201510378316A CN104978286A CN 104978286 A CN104978286 A CN 104978286A CN 201510378316 A CN201510378316 A CN 201510378316A CN 104978286 A CN104978286 A CN 104978286A
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- crime scene
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
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- General Engineering & Computer Science (AREA)
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- Closed-Circuit Television Systems (AREA)
Abstract
The invention relates to the technical field of record acquisition and discloses an acquisition method and system for a portable law enforcement recorder. The method comprises the steps of: obtaining bottom-layer udev; judging the state of a law enforcement instrument; if the law enforcement instrument is pulled out, removing a corresponding device; if the law enforcement instrument is inserted, trying to establish communication through different manufacturer protocols, and judging a communication condition; if the communication is successful, obtaining manufacturer and user information of the law enforcement instrument; and if the communication is failed, prompting that the law enforcement instrument is not identified. According to the acquisition method and system, the problem that law enforcement instruments of different manufacturers need to be installed with different driving programs for realizing compatibility is solved; the driver-free design is adopted; the law enforcement instruments of different manufacturers can be compatible; and the phenomenon that the law enforcement instruments cannot be accessed at the same time due to non-compatible driving programs is avoided.
Description
Technical field
The present invention relates to record acquisition technique field, particularly relate to a kind of portable law-enforcing recorder acquisition method and system.
Background technology
Along with development in science and technology, also electronic equipment auxiliary law enforcement is more and more used during public security organ's law enforcement, wherein the most generally law-enforcing recorder, its sound recorded by crime scene investigation device by front-end equipment, collecting device and management platform, video upload in collecting device, and managed by management platform, the collection of recording for public security organ's law enforcement and preservation offer convenience.
But, the producer of current production crime scene investigation device is more, the crime scene investigation device of each different manufacturers needs to install different drivers to realize the compatibility of collecting device, even the driver of some producer conflicts mutually, cause accessing, for the data acquisition between crime scene investigation device and collecting device causes difficulty simultaneously.
In addition, crime scene investigation device collecting device on the market all adopts WINDOWS system, a lot of producer or employing piracy systems, or needs to pay WINDOWS copyright royalty costly, and when being linked into public security Intranet, have the potential safety hazard such as virus, wooden horse.
In addition, crime scene investigation device collecting device generally adopts many mouthfuls of common USB HUB charge and transmit data at present, and the charging current of general each USB port is at about 500 milliamperes, and charging slowly, is difficult to reach standard-required.
Summary of the invention
Technical matters to be solved by this invention is, a kind of portable law-enforcing recorder acquisition method and system are provided, need install that the equipment that different drivers causes is incompatible with the crime scene investigation device solving different manufacturers, the potential safety hazard that adopts piracy systems to cause and the little problem such as cause charging rate slow of charging current.
The present invention solves the problems of the technologies described above adopted technical scheme and is to provide a kind of portable law-enforcing recorder acquisition method, and the method comprising the steps of:
S1, acquisition udev information, judge the state of crime scene investigation device;
If S2 described udev information is described crime scene investigation device insert information, then attempt communication by different manufacturers agreement successively;
If S3 communicates successfully, then described crime scene investigation device identifiable design;
S4, the device number obtaining described crime scene investigation device and user profile;
S5, control described crime scene investigation device and enter USB flash disk pattern, automatically by USB flash disk data copy on Acquisition Instrument disk.
Preferably, in step S2, if described udev information is described crime scene investigation device pull out information, then remove relevant device.
Preferably, in step S4, if described crime scene investigation device communication failure, then point out described crime scene investigation device None-identified.
Preferably, in step S5, if device number and the user profile of described crime scene investigation device cannot be obtained, then point out described crime scene investigation device equipment unregistered.
Preferably, in step S6, show described data copy progress, meanwhile, show described crime scene investigation device charged state.
On the other hand, the invention provides a kind of portable law-enforcing recorder acquisition system, it is characterized in that, described system comprises:
Crime scene investigation device, for recording sound, the video of law enforcement field;
Acquisition Instrument, for gathering in crime scene investigation device described in each sound, the video that record law enforcement field;
Data obtaining module, for obtaining bottom udev information;
Judge module, for judging the state of described crime scene investigation device;
Communication module, for attempting communication by different manufacturers agreement, obtains described crime scene investigation device information;
Display module, in interface display data copy progress, meanwhile, shows described crime scene investigation device charged state.
Preferably, described judge module comprises the first judge module and the second judge module, wherein,
First judge module, for judging whether described crime scene investigation device is connected with described Acquisition Instrument, if disconnect, then described crime scene investigation device is pulled out, and removes relevant device, if connect, then described crime scene investigation device inserts, and obtains described crime scene investigation device information by described communication module;
Second judge module, for judging the login state of described crime scene investigation device, if described communication module can obtain device number and the user profile of described crime scene investigation device, then obtains, if can not, then point out described crime scene investigation device unregistered.
Preferably, described communication module attempts communicating with described crime scene investigation device by different manufacturers agreement, if communicate successfully, then obtain device number and the user profile of described crime scene investigation device, if communication failure, then display module points out this equipment None-identified.
Preferably, described system also comprises USB flash disk pattern, and according to the judgement of described judging unit, if described crime scene investigation device is registered, then described system enters USB flash disk pattern, automatically by described crime scene investigation device data copy on Acquisition Instrument disk.
Preferably, described system adopts (SuSE) Linux OS, by GL850G chip, USB interface is expanded to four, the electric current of the maximum support in every road 5V/1A.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of portable law-enforcing recorder acquisition method in a preferred embodiment of the present invention;
Fig. 2 is the structural drawing of portable law-enforcing recorder acquisition system in a preferred embodiment of the present invention.
Embodiment
Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.Instructions subsequent descriptions is for implementing better embodiment of the present invention, and right described description is to illustrate for the purpose of rule of the present invention, and is not used to limit scope of the present invention.Protection scope of the present invention is when being as the criterion depending on the claims person of defining.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1, be a preferred embodiment of the present invention, disclose a kind of portable law-enforcing recorder acquisition method, the method comprising the steps of:
S1, acquisition udev information, judge the state of crime scene investigation device;
If S2 udev information is crime scene investigation device insert information, then attempt communication by different manufacturers agreement successively;
If S3 communicates successfully, then crime scene investigation device identifiable design;
S4, the device number obtaining crime scene investigation device and user profile;
S5, control crime scene investigation device enter USB flash disk pattern, automatically by USB flash disk data copy on Acquisition Instrument disk.
In the present embodiment, judged the state of crime scene investigation device by udev information, if insert state, attempt communicating with crime scene investigation device by different manufacturers agreement, communicate and successfully then obtain crime scene investigation device information, further, using crime scene investigation device as USB flash disk, by data copy on Acquisition Instrument, this method adopts without driving design, each plant equipment compatible, without the need to driving compatible program can mate each crime scene investigation device, with low cost, simultaneously, the object of data fast transports by USB flash disk Pattern completion, data rate is fast.
Further, in step S2, if udev information is crime scene investigation device pull out information, then remove relevant device.
In the present embodiment, if crime scene investigation device is extracted, then guarantee that crime scene investigation device information does not remain, remove completely, equipment next time can be inserted smoothly.
Further, in step S4, if crime scene investigation device communication failure, then point out crime scene investigation device None-identified.
Further, in step S5, if device number and the user profile of crime scene investigation device cannot be obtained, then point out crime scene investigation device equipment unregistered.
In the present embodiment, crime scene investigation device and each producer's protocol communication are all failed, then crime scene investigation device None-identified; With certain protocol communication success, then need to obtain crime scene investigation device information, cannot obtain, then point out user registration, like this, by twice judgement, determine information and the state of crime scene investigation device accurately.
Further, in step S6, display data copy progress, meanwhile, display crime scene investigation device charged state.
In the present embodiment, by display interface, show the copy progress as the crime scene investigation device of USB flash disk and charged state, both can carry out simultaneously, save time and with low cost, deployment convenience.
One of ordinary skill in the art will appreciate that, the all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in computer read/write memory medium, this program is when performing, comprise each step of above-described embodiment method, and described storage medium can be: ROM/RAM, magnetic disc, CD, storage card etc.Therefore, relevant technical staff in the field will be understood that corresponding with method of the present invention, and the present invention also comprises a kind of portable law-enforcing recorder acquisition system simultaneously, see Fig. 2, with said method step correspondingly, this system comprises:
Crime scene investigation device, for recording sound, the video of law enforcement field;
Acquisition Instrument, for gathering the sound, the video that record law enforcement field in each crime scene investigation device;
Data obtaining module, for obtaining bottom udev information;
Judge module, for judging the state of crime scene investigation device;
Communication module, for attempting communication by different manufacturers agreement, obtains crime scene investigation device information;
Display module, in interface display data copy progress, meanwhile, shows crime scene investigation device charged state.
In the present embodiment, system to complete in crime scene investigation device data to the transmission of Acquisition Instrument by data obtaining module, judge module, communication module and display module, adopt without driving design by linux system, can compatible many crime scene investigation device equipment, and information and the state of crime scene investigation device is obtained according to protocol communication situation, data copy progress and charged state can be shown, more intuitively, safe and reliable and with low cost by display module.
Further, judge module comprises the first judge module and the second judge module, wherein,
First judge module, for judging whether crime scene investigation device is connected with Acquisition Instrument, if disconnect, then crime scene investigation device is pulled out, and removes relevant device, if connect, then crime scene investigation device inserts, and obtains crime scene investigation device information by communication module;
Second judge module, for judging the login state of crime scene investigation device, if communication module can obtain device number and the user profile of crime scene investigation device, then obtains, if can not, then point out crime scene investigation device unregistered.
Further, communication module attempts communicating with crime scene investigation device by different manufacturers agreement, if communicate successfully, then obtain device number and the user profile of crime scene investigation device, if communication failure, then display module points out this equipment None-identified.
In the present embodiment, the state of crime scene investigation device, identification situation and login state is judged step by step by the first judge module, the second judge module and communication module, progressively obtain state and the information of crime scene investigation device, the situations such as the mistake produced or None-identified are pointed out simultaneously, guarantee to access the safe and reliable of crime scene investigation device.
Further, system also comprises USB flash disk pattern, and according to the judgement of judging unit, if crime scene investigation device is registered, then system enters USB flash disk pattern, automatically by crime scene investigation device data copy on Acquisition Instrument disk.
In the present embodiment, system comprises USB flash disk pattern, after obtaining crime scene investigation device information, crime scene investigation device as USB flash disk, automatic copies data in Acquisition Instrument, fast and easy, and with low cost.
Further, system adopts (SuSE) Linux OS, by GL850G chip, USB interface is expanded to four, the electric current of the maximum support in every road 5V/1A.
In the present embodiment, adopt linux system to realize without driving design, expanding USB interface, and support the super large charging current of 5V/1A, can rapid charge be realized, convenient and swift.
Compared with prior art, the invention provides a kind of portable law-enforcing recorder acquisition method and system, realize without driving design by linux system, compatible many crime scene investigation device equipment, with low cost, the virus brought when simultaneously solving crime scene investigation device access, the potential safety hazards such as wooden horse and the great number copyright fee that need pay, in addition, USB flash disk pattern using crime scene investigation device as USB flash disk, simultaneously, have USB charging concurrently, rapid charge is realized by the super large charging current of 5V/1A, it is convenient to dispose, safe and reliable, solve each producer and the problem that different driving may lead to a conflict need be installed, avoid the high wasting of resources caused of the slow cost of charging rate.
It should be noted that; the foregoing is only preferred embodiment of the present invention; not thereby limit scope of patent protection of the present invention, the present invention can also carry out the improvement of materials and structures to the structure of above-mentioned various parts, or adopts technically equivalent ones to replace.Therefore the equivalent structure change that all utilizations instructions of the present invention and diagramatic content are done, or directly or indirectly apply to other correlative technology fields and be all in like manner all contained in the scope that the present invention contains.
Claims (10)
1. a portable law-enforcing recorder acquisition method, is characterized in that, described method comprises step:
S1, acquisition udev information, judge the state of crime scene investigation device;
If S2 described udev information is described crime scene investigation device insert information, then attempt communication by different manufacturers agreement successively;
If S3 communicates successfully, then described crime scene investigation device identifiable design;
S4, the device number obtaining described crime scene investigation device and user profile;
S5, control described crime scene investigation device and enter USB flash disk pattern, automatically by USB flash disk data copy on Acquisition Instrument disk.
2. the method for claim 1, is characterized in that, in step S2, if described udev information is described crime scene investigation device pull out information, then removes relevant device.
3. the method for claim 1, is characterized in that, in step S4, if described crime scene investigation device communication failure, then points out described crime scene investigation device None-identified.
4. the method for claim 1, is characterized in that, in step S5, if cannot obtain device number and the user profile of described crime scene investigation device, then points out described crime scene investigation device equipment unregistered.
5. the method for claim 1, is characterized in that, in step S6, shows described data copy progress, meanwhile, shows described crime scene investigation device charged state.
6. a portable law-enforcing recorder acquisition system, is characterized in that, described system comprises:
Crime scene investigation device, for recording sound, the video of law enforcement field;
Acquisition Instrument, for gathering in crime scene investigation device described in each sound, the video that record law enforcement field;
Data obtaining module, for obtaining bottom udev information;
Judge module, for judging the state of described crime scene investigation device;
Communication module, for attempting communication by different manufacturers agreement, obtains described crime scene investigation device information;
Display module, in interface display data copy progress, meanwhile, shows described crime scene investigation device charged state.
7. system as claimed in claim 6, it is characterized in that, described judge module comprises the first judge module and the second judge module, wherein,
First judge module, for judging whether described crime scene investigation device is connected with described Acquisition Instrument, if disconnect, then described crime scene investigation device is pulled out, and removes relevant device, if connect, then described crime scene investigation device inserts, and obtains described crime scene investigation device information by described communication module;
Second judge module, for judging the login state of described crime scene investigation device, if described communication module can obtain device number and the user profile of described crime scene investigation device, then obtains, if can not, then point out described crime scene investigation device unregistered.
8. system as claimed in claim 6, is characterized in that, described communication module attempts communicating with described crime scene investigation device by different manufacturers agreement, if communicate successfully, then obtain device number and the user profile of described crime scene investigation device, if communication failure, then display module points out this equipment None-identified.
9. system as claimed in claim 7, it is characterized in that, described system also comprises USB flash disk pattern, according to the judgement of described judging unit, if described crime scene investigation device is registered, then described system enters USB flash disk pattern, automatically by described crime scene investigation device data copy on Acquisition Instrument disk.
10. system as claimed in claim 6, is characterized in that, described system adopts (SuSE) Linux OS, by GL850G chip, USB interface is expanded to four, the electric current of the maximum support in every road 5V/1A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510378316.9A CN104978286A (en) | 2015-07-01 | 2015-07-01 | Acquisition method and system for portable law enforcement recorder |
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| CN201510378316.9A CN104978286A (en) | 2015-07-01 | 2015-07-01 | Acquisition method and system for portable law enforcement recorder |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105657309A (en) * | 2015-12-29 | 2016-06-08 | Tcl数码科技（深圳）有限责任公司 | Multi-way data collection method and system of law enforcement recorder |
| CN107483865A (en) * | 2017-09-22 | 2017-12-15 | 浙江大华技术股份有限公司 | A kind of network hard disk video recorder |
| CN111200626A (en) * | 2018-11-20 | 2020-05-26 | Tcl新技术（惠州）有限公司 | Data transmission control method, law enforcement instrument, system and storage medium |
| CN112348499A (en) * | 2020-11-09 | 2021-02-09 | 百富计算机技术（深圳）有限公司 | Communication service method and device of payment terminal |
| CN112948390A (en) * | 2021-03-10 | 2021-06-11 | 四川一电航空技术有限公司 | Method, device and equipment for corresponding bin positions of acquisition station and readable storage medium |
| CN113312067A (en) * | 2020-02-27 | 2021-08-27 | 成都鼎桥通信技术有限公司 | Butt joint method and device for law enforcement recorder and acquisition station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105657309A (en) * | 2015-12-29 | 2016-06-08 | Tcl数码科技（深圳）有限责任公司 | Multi-way data collection method and system of law enforcement recorder |
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| CN113312067A (en) * | 2020-02-27 | 2021-08-27 | 成都鼎桥通信技术有限公司 | Butt joint method and device for law enforcement recorder and acquisition station |
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| CN112948390A (en) * | 2021-03-10 | 2021-06-11 | 四川一电航空技术有限公司 | Method, device and equipment for corresponding bin positions of acquisition station and readable storage medium |
| CN112948390B (en) * | 2021-03-10 | 2023-06-06 | 四川一电航空技术有限公司 | Method, device, equipment and readable storage medium for corresponding acquisition station bin positions |
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