CN2629123Y - Remote controllable computer - Google Patents

Remote controllable computer Download PDF

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Publication number
CN2629123Y
CN2629123Y CN 03234433 CN03234433U CN2629123Y CN 2629123 Y CN2629123 Y CN 2629123Y CN 03234433 CN03234433 CN 03234433 CN 03234433 U CN03234433 U CN 03234433U CN 2629123 Y CN2629123 Y CN 2629123Y
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CN
China
Prior art keywords
computer
chip microcomputer
links
hard disk
remote
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Expired - Fee Related
Application number
CN 03234433
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Chinese (zh)
Inventor
何大可
郑宇�
何薇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southwest Jiaotong University
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Southwest Jiaotong University
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Priority to CN 03234433 priority Critical patent/CN2629123Y/en
Application granted granted Critical
Publication of CN2629123Y publication Critical patent/CN2629123Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a remote controllable computer, wherein the control bus (1) of the computer, which connects a central processing unit (CPU) and a hard disc (HD), is connected in series with a programmable logic controller (PLD) which is connected with a single chip machine (M) simultaneously. The single chip machine (M) is connected with the chip selection of the hard disc (HD) and an addressing leading leg by a unidirectional latch (11). The single chip machine (M) is also connected with a data input leading leg and a data output leading leg of the hard disc (HD) by a bidirectional latch (12), and the single chip machine (M) is connected with a radio communication unit (S) simultaneously. The power supply interfaces of the single chip machine (M), the radio communication unit (S) and the hard disc (HD) are connected with a power supply unit (3) of an emergency battery. After the computer is lost or stolen, a legal user can make wireless remote control to destroy the information stored in the computer in time to avoid the leakage of the secret; the remote controllable computer can prevent the damage produced by the disclosure, can realize the pursuit position to the computer, and is convenient to find.

Description

A kind of computer of remote-controlled disposal
Affiliated technical field
The utility model relates to a kind of computer (computing machine), relates in particular to a kind of computer of remote-controlled disposal.
Background technology
Now, the use of computer is more and more general, and canned data is also more and more important--wherein be no lack of various military affairs, trade secret and individual privacy.Existing computer does not possess remote control disposal and long-distance positioning function, lose or stolen after, it is big to seek difficulty, can't in time handle the information that is stored in wherein.The person of picking up or thief can from lose or stolen computer obtain relevant secret, comprise the various confidential datas that the concerning security matters user preserves in stolen computer, thereby cause the massive losses that is difficult to estimate.
Summary of the invention
The computer that the purpose of this invention is to provide a kind of remote-controlled disposal, this kind computer lose or stolen after, validated user can carry out wireless remote control to it and be stored in wherein information with timely destruction, thereby avoids the leakage of secret.
The utility model solves its technical matters, the technical scheme that is adopted is: a kind of computer of remote-controlled disposal, comprise the control bus, Alternating Current Power Supply unit of CPU (central processing unit), hard disk, connection CPU (central processing unit) and hard disk, standby battery power supply unit etc., its design feature is: the control bus that connects CPU (central processing unit) and hard disk seals in a programmable logic controller (PLC), and this programmable logic controller (PLC) links to each other with a single-chip microcomputer simultaneously; This single-chip microcomputer joins with the addressing pin through the sheet choosing of a unidirectional latch and hard disk, and this single-chip microcomputer also joins through the data input and output pin of a two-way latch and hard disk; Single-chip microcomputer links to each other with wireless communication unit simultaneously; Single-chip microcomputer, wireless communication unit and hard disk three's power interface all links to each other with the reserve battery power supply unit.
The beneficial effects of the utility model are: after computer is lost, validated user sends the disposal letter by the wireless communication unit of wireless communication system in computer and puts, this signal is sent into single-chip microcomputer and is mated discriminating, after differentiating, single-chip microcomputer cuts off the control bus that computer central authorities handle hard disk by programmable logic controller (PLC), simultaneously single-chip microcomputer also makes unidirectional latch and reversible lock storage effective, thereby take over the control and the data exchange interface of hard disk, and destroy the master boot sector and the boot section of hard disk immediately, again hard disk is carried out the low-level formatting operation, thoroughly destroy the various data of preserving in the hard disk, guarantee that the secret in the computer can not reveal, prevent the loss that produces because of divulging a secret.Because whole device volume is little, and cost is low, can combine together simultaneously, make with easy to use with mainboard.
The power interface of above-mentioned hard disk links to each other with standby battery power supply unit through analog switch, and the switching signal input interface of this analog switch links to each other with the corresponding control signal output interface of single-chip microcomputer.
Only just conducting when destroying data manipulation of analog switch, make reserve battery only at this moment just to the hard disk power supply, reduce the energy greatly, guarantee that reserve battery can provide sufficient electric weight to hard disk at any time, destroy operation, it is reliable that the remote control that assurance the utility model carries out computer is disposed.
Be serially connected with a reverse isolation module in the supply line between the video card of above-mentioned Alternating Current Power Supply unit and standby battery power supply unit and computer, display screen, internal memory, the partition input signal interface of this reverse isolation module links to each other with the output signal line of analog switch.
When destroying data, computer miscellaneous parts (CPU (central processing unit) and hard disk exception) such as the video card of reverse isolation module partition battery and computer, display screen, internal memory.Both reduced battery consumption, more make computer destroy being operated under the situation that the person of stealing secret information has no consciousness of data to carry out, further strengthened security of storage data in the computer.
The clock signal input interface of above-mentioned single-chip microcomputer links to each other with a real-time timepiece chip.
The novelty verification that wireless signal is disposed in the request that real-time timepiece chip sends the user for single-chip microcomputer provides real-time time, in order to avoid the disabled user disposes signal with the request of the non-current time of intercepting and capturing, computer is carried out illegal destruction data manipulation, guarantee that computerized information do not destroyed by mistake.
Above-mentioned wireless communication unit be can only received signal the beeper Receiver Module.
This practical wireless communication unit adopts notifies from a phone call Receiver Module, make that remote control destruction data are more convenient, reliable, and cost is lower, and volume is littler, and it is easier to make.
Above-mentioned wireless communication unit also can be the wireless mobile communications unit that can received signal can send signal again, and single-chip microcomputer also links to each other with a wireless location unit simultaneously.
Like this, the utility model adopts the wireless location unit, utilize wireless location technology to obtain to lose the information of computer current location, and send single-chip microcomputer to handle the back and deliver to the wireless mobile communications unit with specific form, the command and control center or the user that are sent to far-end through public's wireless communication networks specify receiving element, specify receiving element will lose the position of computer by command centre or user rapidly with literal, auditory tone cues user or directly be presented on the GIS electronic chart, thereby make computer of the present utility model on the basis of remote-controlled disposal, further increased the function of traceable its current location.Be convenient to seek, make more convenient and efficient of whole searching process.If stolen, then help the detection of larceny case, arrest the thief, to prevent the stolen once more of secret up hill and dale, guarantee the security of state secret, secret of the trade.
Above-mentioned wireless communication unit links to each other with the serial line interface able to programme of single-chip microcomputer behind the RS232 modular converter again, and the wireless location unit links to each other with the standard asynchronous serial line interface of single-chip microcomputer.
Above-mentioned single-chip microcomputer also links to each other with an answering device, and this answering device can communicate with the hand held antenna mobile communicator.
Answering device of the present invention can carry out short-range communication with the personnel's of searching handheld wireless communicator, further dwindles the searching scope, is convenient to rapidly, finds exactly and finding lost or stolen computer.
Simultaneously, especially notebook computer is not when losing for computer of the present utility model, and the user can detect the current location of oneself whenever and wherever possible, for tourism is explored, location navigation provides good help.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model embodiment one structural representation.
Fig. 2 is the structural representation of the tracking function part of the utility model embodiment two.
Fig. 3 is the synoptic diagram that the utility model embodiment three seeks when computer is lost.
Embodiment one:
Fig. 1 illustrates, and the embodiment of embodiment one of the present utility model is:
A kind of computer of remote-controlled disposal, the control bus 1 that comprises central processing unit CPU, hard disk HD, connection central processing unit CPU and hard disk HD, the Alternating Current Power Supply unit, standby battery power supply unit 3 etc., the control bus 1 that it connects central processing unit CPU and hard disk HD seals in a programmable logic controller (PLC) PLD, and this programmable logic controller (PLC) PLD links to each other with a single-chip microcomputer M simultaneously; This single-chip microcomputer M is through the sheet choosing and addressing pin CS of a unidirectional latch 11 with hard disk HD 0CS 1DA 0DA 1DA 2Join, this single-chip microcomputer M is D through 8 pins of data input and output of a two-way latch 12 and hard disk HD also 0-D 7Join; Single-chip microcomputer M links to each other with wireless communication unit S simultaneously; The clock signal input interface of single-chip microcomputer M links to each other with a real-time timepiece chip T; Single-chip microcomputer M, wireless communication unit S and hard disk HD three's power interface all links to each other with reserve battery power supply unit 3.
This routine single-chip microcomputer M adopts the AT89C51 single-chip microcomputer.
The power interface of hard disk HD links to each other with standby battery power supply unit 3 through analog switch K, and the switching signal input interface of this analog switch K links to each other with the corresponding control signal output interface of single-chip microcomputer M.
Be serially connected with a reverse isolation module 4 in the supply line between the video card of Alternating Current Power Supply unit and standby battery power supply unit 3 and computer, display screen, internal memory, the partition input signal interface of this reverse isolation module 4 links to each other with the output signal line of analog switch K.
The clock signal input interface of single-chip microcomputer M links to each other with a real-time timepiece chip T.
Wireless communication unit S be can only received signal the beeper Receiver Module.The concrete course of work and the principle of present embodiment are:
After computer is lost, validated user (owner) sends a special calling signal that implies the authentication code of current time parameter and the own identity of confirmation by wireless paging network to the computer of oneself immediately, all the time work in the beeper Receiver Module S that calls out scanning mode in the computer and send single-chip microcomputer M the signal that receives, after single-chip microcomputer M obtains the current time parameter from real-time real clock chip T, to decrypted signal, but and, subscriber signal is mated discriminating and freshness discriminating according to this specific single-chip microcomputer M upward deposits its storage unit in when producing the unique distinguishing identifier sign indicating number that can not change.Pass through as discriminating, then cut off the control bus 1 of computer central processing unit CPU and hard disk HD by programmable logic controller (PLC) PLD by single-chip microcomputer M, and make analog switch K conducting, reserve battery power supply unit 3 provides power supply to hard disk HD, simultaneously single-chip microcomputer M also makes unidirectional latch 11 and reversible lock storage 12 effective, thereby take over control and the data exchange interface of hard disk HD, and destroy the master boot sector and the boot section of hard disk immediately, subsequently hard disk HD is carried out the low-level formatting operation, thoroughly destroy all data of preserving in the hard disk, guarantee that the secret in the computer can not reveal, prevent the loss that produces because of divulging a secret.
Single-chip microcomputer M makes unidirectional latch 11 and reversible lock storage 12 invalid then, abandons the control to hard disk HD, and single-chip microcomputer M closes analog switch K simultaneously, stops hard disk HD power interface is powered; And single-chip microcomputer M recloses the control bus 1 of the central processing unit CPU of computer to hard disk HD through Programmable Logic Controller PLD, recovers the operate as normal of computer.
The real-time timepiece chip T of the new example of this practicality can be newly-increased separately, also can directly adopt the existing internal clocking chip of computer, thus structure more simplify, cost is lower.
Embodiment two:
Fig. 2 illustrates, the structure of present embodiment and embodiment's one is basic identical, this example that different is changes wireless communication unit S into can received signal can send signal again wireless mobile communications cell S by notifying from a phone call Receiver Module, and simultaneously, single-chip microcomputer M also links to each other with a wireless location unit P.And:
Wireless communication unit S links to each other with the serial line interface able to programme of single-chip microcomputer behind the RS232 modular converter again, and wireless location unit P links to each other with the standard asynchronous serial line interface of single-chip microcomputer M.
Single-chip microcomputer M also links to each other with an answering device 8, and this answering device 8 can communicate with the hand held antenna mobile communicator.
This routine single-chip microcomputer M adopts the W77E58 single-chip microcomputer.
Remove above-mentioned difference, all the other structures are identical with embodiment one.
The course of work and the principle of present embodiment then are:
(1) destroys data procedures.Basic identical with embodiment one, different only be that the user sends the disposal signal of destroying data to computer, not in the call mode, but send signal to wireless mobile communications cell S in the computer with public's wireless communication networks (GSM or CDMA) system of two-way communication, send single-chip microcomputer M to handle by it, remaining process, principle are then identical with embodiment one.
(2) follow the trail of the process of seeking computer.Fig. 3 and Fig. 2 illustrate, after the user loses computer, can connect by public fixed telecommunication network PSTN or mobile radio communication GSM/CDMA or INTERNET internet and the C of command centre, and utilize own identity of susceptible of proof and the authentication code corresponding to verify with the computer identification code.After checking, the user just can ask the C of command centre to seek the position at corresponding computer 21 places, wireless mobile communications cell S communication in C of command centre and the computer 21 immediately, require it that current position information is uploaded, computer 21 promptly starts wireless location unit P, employing is based on the location technology of systems such as GSM or CDMA or GPS, obtain the positional information of current computer 21, and send single-chip microcomputer M to handle by the standard asynchronous serial line interface, send the wireless mobile communications cell S with specific form after the processing, as the short message way of GSM or CDMA, be sent to the receiving element of the C of command centre or user's appointment.After the C of command centre carries out dissection process to signal, promptly can literal, voice mode informs the position of computer 21, or directly be presented on the GIS electronic chart, according to existing mobile positioning technique, error will be in tens of rice.The user is according to the demonstration of voice, text prompt or electronic chart, enter in the preliminary on-the-spot scope of determining and seek, carry out wireless near field communication through the answering device 8 in handheld wireless communicator material 22 and the computer 21 again during searching, power and directivity according to signal, progressively approach computer 21, up to finding computer 21.
Exchanges data between single-chip microcomputer M and wireless mobile communications cell S by serial line interface able to programme and the RS232 modular converter of single-chip microcomputer M, realizes the standard serial communication of single-chip microcomputer M and wireless communication unit S.
The utility model computer when producing, in the time of hard disk HD should being fixedly installed into start, hard disk HD must be at first with computer 21 in newly-increased single-chip microcomputer M finish handshake communication, the initialization of the line parameter of going forward side by side, hard disk HD can start.If do not find the single-chip microcomputer M and the unit that matches thereof, then hard disk HD can not start, and to prevent the stealer hard disk HD is pulled up, and is put on another computing machine and reads.
Technology of the present utility model is particularly useful for notebook computer, because notebook computer carries, easilier loses, stolen, and notebook computer itself has standby battery power supply unit simultaneously, adopts technology of the present utility model also more convenient; Fixing desktop computer, adopt scheme of the present utility model also can, generally also should add a reserve battery power supply unit according to art methods.

Claims (8)

1, a kind of computer of remote-controlled disposal, the control bus (1) that comprises CPU (central processing unit) (CPU), hard disk (HD), connection CPU (central processing unit) (CPU) and hard disk (HD), the Alternating Current Power Supply unit, standby battery power supply unit (3) etc., it is characterized in that: described connection CPU (central processing unit) (CPU) seals in a programmable logic controller (PLC) (PLD) with the control bus (1) of hard disk (HD), and this programmable logic controller (PLC) (PLD) links to each other with a single-chip microcomputer (M) simultaneously; This single-chip microcomputer (M) joins with the addressing pin through a unidirectional latch (11) and the sheet choosing of hard disk (HD), and this single-chip microcomputer (M) also joins through the data input and output pin of a two-way latch (12) with hard disk (HD); Single-chip microcomputer (M) links to each other with wireless communication unit (S) simultaneously; Single-chip microcomputer (M), wireless communication unit (S) and hard disk (HD) three's power interface all links to each other with reserve battery power supply unit (3).
2, the computer of a kind of remote-controlled disposal according to claim 1, it is characterized in that: the power interface of described hard disk (HD), link to each other with standby battery power supply unit (3) through analog switch (K), the switching signal input interface of this analog switch (K) links to each other with the corresponding control signal output interface of single-chip microcomputer (M).
3, the computer of a kind of remote-controlled disposal according to claim 2, it is characterized in that: be serially connected with a reverse isolation module (4) in the supply line between the video card of described Alternating Current Power Supply unit and standby battery power supply unit (3) and computer, display screen, internal memory, the partition input signal interface of this reverse isolation module (4) links to each other with the output signal line of analog switch (K).
4, the computer of a kind of remote-controlled disposal according to claim 1 is characterized in that: the clock signal input interface of described single-chip microcomputer (M) links to each other with a real-time timepiece chip (T);
5, according to the computer of claim 1 or 2 or 3 or 4 described a kind of remote-controlled disposal, it is characterized in that: described wireless communication unit (S) is beeper Receiver Module that can only received signal.
6, according to the computer of claim 1 or 2 or 3 or 4 described a kind of remote-controlled disposal, it is characterized in that: described wireless communication unit (S) is for can received signal sending the wireless mobile communications unit of signal again, and single-chip microcomputer also links to each other with a wireless location unit (P) simultaneously.
7, the computer of a kind of remote-controlled disposal according to claim 6, it is characterized in that: described wireless communication unit (S) is behind the RS232 modular converter, link to each other with the serial line interface able to programme of single-chip microcomputer, wireless location unit (P) links to each other with the standard asynchronous serial line interface of single-chip microcomputer (M) again.
8, the computer of a kind of remote-controlled disposal according to claim 7 is characterized in that: described single-chip microcomputer (M) also links to each other with an answering device (8), and this answering device (8) can communicate with hand held antenna mobile communicator (22).
CN 03234433 2003-05-19 2003-05-19 Remote controllable computer Expired - Fee Related CN2629123Y (en)

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Application Number Priority Date Filing Date Title
CN 03234433 CN2629123Y (en) 2003-05-19 2003-05-19 Remote controllable computer

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Application Number Priority Date Filing Date Title
CN 03234433 CN2629123Y (en) 2003-05-19 2003-05-19 Remote controllable computer

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CN2629123Y true CN2629123Y (en) 2004-07-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101916233A (en) * 2010-09-14 2010-12-15 湖南源科高新技术有限公司 Computer and data elimination method thereof
CN102789554A (en) * 2011-05-17 2012-11-21 长沙融森高新技术开发有限公司 Device for positioning computer and protecting data

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101916233A (en) * 2010-09-14 2010-12-15 湖南源科高新技术有限公司 Computer and data elimination method thereof
CN102789554A (en) * 2011-05-17 2012-11-21 长沙融森高新技术开发有限公司 Device for positioning computer and protecting data

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C19 Lapse of patent right due to non-payment of the annual fee
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