CN202434010U - Computer theft-preventing system based on Bluetooth technology - Google Patents
Computer theft-preventing system based on Bluetooth technology Download PDFInfo
- Publication number
- CN202434010U CN202434010U CN2011205569684U CN201120556968U CN202434010U CN 202434010 U CN202434010 U CN 202434010U CN 2011205569684 U CN2011205569684 U CN 2011205569684U CN 201120556968 U CN201120556968 U CN 201120556968U CN 202434010 U CN202434010 U CN 202434010U
- Authority
- CN
- China
- Prior art keywords
- module
- bluetooth
- signal
- computer
- signal receiving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Alarm Systems (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to a computer theft-preventing system based on a Bluetooth technology. The computer theft-preventing system based on the Bluetooth technology comprises a Bluetooth signal generating part and a Bluetooth signal receiving part, wherein the Bluetooth signal generating part comprises a signal generating power module, a signal generating module and a 555 timer module; the Bluetooth signal receiving part comprises a signal receiving power module, a signal receiving module, a microcontroller module and an alarming module; the signal receiving module and the alarming module are connected on the microcontroller module; the Bluetooth signal generating part is carried by a user and transmits a Bluetooth detecting signal to a signal receiver; and the Bluetooth signal receiving part is integrated into a computer. The Bluetooth technology is applied to theft prevention of the computer and is used for detecting whether the protected computer is within a safe range; and when the protected computer is stolen, a Bluetooth receiver detects that the computer is beyond the safe range and an alarm is started to make an alarm, so that the theft prevention of the computer is achieved.
Description
Technical field
The utility model relates to a kind of computer antitheft system, particularly relates to a kind of computer antitheft system based on Bluetooth technology.
Background technology
In daily life, notebook computer have be easy to carry, easy to use, characteristics such as cost an arm and a leg.Computer is stolen or lose personal property is suffered a loss, and personal information or privacy are revealed, and causes inconvenience to own with other people.Analyze computer antitheft system in the market, they exist own vol big, be subject to external interference, be prone to many defectives such as stolen.
The utility model content
To the problems referred to above, the fundamental purpose of the utility model is to provide a kind of Bluetooth technology is applied to computer antitheft, has utilized Bluetooth technology to detect protected computer whether in safe range.When protected computer was stolen, Bluetooth Receiver detected computer and exceeds safe range, started alarm equipment alarm, thereby played the computer antitheft system based on Bluetooth technology of computer antitheft effect.
The utility model solves above-mentioned technical matters through following technical proposals: a kind of computer antitheft system based on Bluetooth technology; Said computer antitheft system comprises that part and Bluetooth signal receiving unit take place Bluetooth signal; Part takes place and comprises signal generation power module, signal generating module, 555 timer module in said Bluetooth signal; Said signal generating module is connected with 555 timer module, and both are through the energising of signal generation power module; The Bluetooth signal receiving unit comprises that signal receives power module, signal receiving module, micro controller module and alarm module; Said signal receiving module and alarm module all are connected on the micro controller module; Said signal receiving module, micro controller module and alarm module all receive the power module power supply through signal; Part takes place and is carried by the user in said Bluetooth signal, and it is to signal receiver emission bluetooth detection signal, and said Bluetooth signal receiving unit is integrated into computer inside.
In the practical implementation example of the utility model; Said signal generation power module comprises lithium battery, charging circuit and filter circuit of pressure-stabilizing, for signal generating module provides 3.3V WV, when the circumscribed USB power supply; To the power supply of Bluetooth signal generating module, simultaneously lithium battery is charged; When no external power supply, the Bluetooth signal generating module is supplied power by lithium battery.
In the practical implementation example of the utility model, said micro controller module is AT89C2051.
In the practical implementation example of the utility model, said alarm module is made up of hummer and two complex pipes, and the pwm signal that microcontroller AT89C2051 produces makes complex pipe alternately all be in amplification, hold mode, drives hummer, realizes warning function.
In the practical implementation example of the utility model; The course of work of said computer antitheft system is following: use the C language that system is carried out software design; Whether system reports to the police by microprocessor decision, when user computer and signal generator apart from when 10m is above, signal receiving module does not receive the bluetooth monitor signal or the Bluetooth signal that receives is not the signal of user own; This moment, bluetooth connected disconnection, and microprocessor enables actuation of an alarm.
The positive progressive effect of the utility model is: the computer antitheft system based on Bluetooth technology that the utility model provides has the following advantages: the utility model applies to computer antitheft with Bluetooth technology, has utilized Bluetooth technology to detect protected computer whether in safe range.When protected computer was stolen, Bluetooth Receiver detected computer and exceeds safe range, started alarm equipment alarm, thereby played the effect of computer antitheft.All adopting based on the chip of the computer safety-protection system of Bluetooth technology and resistance capacitance that the utility model provides is SMD, and volume is little, is easy to carry about with one; Adopt pulse signal, low in energy consumption; System is applied widely, and the required expense of this system is low, within general user's economic tolerance range.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model.
Fig. 2 is the structural representation of the timer trigger signal generator of the utility model.
Fig. 3 is the power supply synoptic diagram of the signal generation power module of the utility model.
Fig. 4 is the work synoptic diagram of the Bluetooth transmission module of the utility model.
Fig. 5 is the work synoptic diagram of the bluetooth receiver module of the utility model.
Fig. 6 is the work synoptic diagram of the microprocessor module of the utility model.
Fig. 7 is the work synoptic diagram of the alarm module of the utility model.
Fig. 8 is the work synoptic diagram of the receiver module power supply of the utility model.
Fig. 9 is the programming flowchart of the utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technical scheme of the utility model.
Fig. 1 is the one-piece construction synoptic diagram of the utility model; As shown in Figure 1: the utility model comprises that part and Bluetooth signal receiving unit take place Bluetooth signal; Part takes place and comprises signal generation power module, signal generating module, 555 timer module in this Bluetooth signal; Said signal generating module is connected with 555 timer module, and both are through the energising of signal generation power module; The Bluetooth signal receiving unit comprises that signal receives power module, signal receiving module, micro controller module and alarm module; Said signal receiving module and alarm module all are connected on the micro controller module; Said signal receiving module, micro controller module and alarm module all receive the power module power supply through signal; Part takes place and is carried by the user in said Bluetooth signal, and it is to signal receiver emission bluetooth detection signal, and said Bluetooth signal receiving unit is integrated into computer inside.
Fig. 2 is the structural representation of the timer trigger signal generator of the utility model, and is as shown in Figure 2: 555 timer module among the figure are medium-scale integration devices that a kind of analog-and digital-function combines.The supply voltage wide ranges of 555 timers can be in 4.5V～16V work, dependable performance.Only need external several resistance, electric capacity, just can realize that multivibrator, monostalbe trigger and Schmidt trigger isopulse produce and translation circuit.
The principle of work of 555 timers is following: when input signal from 1 pin input and when surpassing 2VCC/3, trigger reset, output terminal 3 pin output low levels, discharge simultaneously, switching tube conducting; When input signal from 2 pin inputs and when being lower than VCC/3, trigger set, 3 pin output high level, discharge simultaneously, switching tube ends.
Fig. 3 is the power supply synoptic diagram of the signal generation power module of the utility model, and is as shown in Figure 3: signal generation power module comprises lithium battery, charging circuit and filter circuit of pressure-stabilizing, for the Bluetooth signal generating module provides 3.3V WV.The 5V voltage of computer USB interface can be easily to lithium cell charging, and anti-super-charge super-discharge circuit can be operated in optimum condition by lithium battery.When the circumscribed USB power supply, to the power supply of Bluetooth signal generating module, simultaneously lithium battery is charged by it; When no external power supply, the Bluetooth signal generating module is supplied power by lithium battery.Select LDO (low pressure difference linear voltage regulator) the chip SPX1117-3.3 of Sipex company for use, with output voltage stabilization at 3.3V.
Fig. 4 is the work synoptic diagram of the Bluetooth transmission module of the utility model, and is as shown in Figure 4: the Bluetooth signal transceiver module all adopts a GC-02 bluetooth module of being produced by Nanjing state spring Electric Appliance Equipment Co., Ltd.GC-02 is the bluetooth digital transmission module that adopts the design of the CSR Audio Flash of company Bluetooth chip to produce, and adopts the laser blind hole processing technology, SMD design, and volume size is compact, the most suitable industrial data, voice transfer.Be mainly used in blue tooth voice transmission, on-vehicle Bluetooth, blue tooth voice gateway etc.When the Bluetooth transmission module powers on, then set up with the bluetooth receiver module automatically and communicate by letter.
After GC-02 detected Bluetooth signal and connects, the PI03 end can be exported high level, otherwise is low level.This signal inserts microprocessor AT89C2051, in order to judge whether to set up link.The bluetooth receiver module is as shown in Figure 5.
The work synoptic diagram of the microprocessor module of Fig. 6 the utility model.Microprocessor module is to be the minimum system of core with AT89C2051, comprises parts such as electrification reset, crystal oscillation.As shown in Figure 6, when signal receiving module detects the high-low level variation of P1.2 mouth, represent that promptly computer is stolen.Microprocessor uses timer to produce pwm signal, drives the alarm module of P3.7 mouth, accomplishes actuation of an alarm.
Fig. 7 is the work synoptic diagram of the alarm module of the utility model.As shown in Figure 7, alarm module is made up of hummer and two complex pipes, makes circuit have two states.The pwm signal that microcontroller AT89C2051 produces makes complex pipe alternately all be in amplification, hold mode, can well drive hummer, realizes warning function.
Fig. 8 is the work synoptic diagram of the receiver module power supply of the utility model, and is as shown in Figure 8, and the Bluetooth signal receiving unit can be incorporated into computer inside because volume is less.Selecting the SP6641B-5.0 chip of Sipex company for use, the supply voltage of lithium battery is risen to 5V, is the power supply of microcontroller and alarm module.Simultaneously, can select for use the 5V voltage of USB interface easily lithium battery to be charged.
Fig. 9 is the programming flowchart of the utility model, and is as shown in Figure 9, uses the C language that system is carried out software design, and whether system reports to the police is mainly determined by microprocessor.When user computer and signal generator distance when 10m is above, signal receiving module does not receive the bluetooth monitor signal or the Bluetooth signal that receives is not the signal of user own, bluetooth connected and broke off this moment, microprocessor enables actuation of an alarm.In a single day actuation of an alarm enables, must be by user's microprocessor that resets, and actuation of an alarm could be removed.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications; These variations and improvement all fall in the utility model scope that requires protection, and the utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. computer antitheft system based on Bluetooth technology; Said computer antitheft system comprises that part and Bluetooth signal receiving unit take place Bluetooth signal; It is characterized in that: part takes place and comprises signal generation power module, signal generating module, 555 timer module in said Bluetooth signal; Said signal generating module is connected with 555 timer module, and both are through the energising of signal generation power module; The Bluetooth signal receiving unit comprises that signal receives power module, signal receiving module, micro controller module and alarm module; Said signal receiving module and alarm module all are connected on the micro controller module; Said signal receiving module, micro controller module and alarm module all receive the power module power supply through signal; Part takes place and is carried by the user in said Bluetooth signal, and it is to signal receiver emission bluetooth detection signal, and said Bluetooth signal receiving unit is integrated into computer inside.
2. the computer antitheft system based on Bluetooth technology according to claim 1; It is characterized in that: said signal generation power module comprises lithium battery, charging circuit and filter circuit of pressure-stabilizing; For signal generating module provides 3.3V WV; When the circumscribed USB power supply,, simultaneously lithium battery is charged to the power supply of Bluetooth signal generating module; When no external power supply, the Bluetooth signal generating module is supplied power by lithium battery.
3. the computer antitheft system based on Bluetooth technology according to claim 1 is characterized in that: said micro controller module is AT89C2051.
4. the computer antitheft system based on Bluetooth technology according to claim 1; It is characterized in that: said alarm module is made up of hummer and two complex pipes; The pwm signal that microcontroller AT89C2051 produces makes complex pipe alternately all be in amplification, hold mode; Drive hummer, realize warning function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205569684U CN202434010U (en) | 2011-12-27 | 2011-12-27 | Computer theft-preventing system based on Bluetooth technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205569684U CN202434010U (en) | 2011-12-27 | 2011-12-27 | Computer theft-preventing system based on Bluetooth technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202434010U true CN202434010U (en) | 2012-09-12 |
Family
ID=46783438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205569684U Expired - Lifetime CN202434010U (en) | 2011-12-27 | 2011-12-27 | Computer theft-preventing system based on Bluetooth technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202434010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722953A (en) * | 2011-12-27 | 2012-10-10 | 上海纳杰电气成套有限公司 | Computer antitheft system based on bluetooth technology |
-
2011
- 2011-12-27 CN CN2011205569684U patent/CN202434010U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722953A (en) * | 2011-12-27 | 2012-10-10 | 上海纳杰电气成套有限公司 | Computer antitheft system based on bluetooth technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102842194B (en) | A kind of anti-theft device, system and method | |
| CN102722953A (en) | Computer antitheft system based on bluetooth technology | |
| CN203574074U (en) | Polymer lithium battery | |
| CN105160822A (en) | Early earthquake early warning apparatus with acousto-optic short-term memory | |
| CN205248853U (en) | Power supply circuit | |
| CN204576708U (en) | A kind of intelligent windowsill burglar alarm | |
| CN202434010U (en) | Computer theft-preventing system based on Bluetooth technology | |
| CN202221904U (en) | Vehicle-loaded battery electricity quantity monitoring device | |
| CN202372602U (en) | Reverse connection detecting circuit for batteries | |
| CN107634577B (en) | Power-off detection control circuit and gas meter | |
| CN205354264U (en) | Internet -of -things -based intelligent household alarm system | |
| CN206041586U (en) | Low -power consumption battery monitoring management device | |
| CN210626630U (en) | Wake-up source detection circuit, power source wake-up source detection device and system | |
| CN202736211U (en) | Automatic-charging display alarm | |
| CN204708211U (en) | A kind of with case and bag that are anti-snatch, anti-theft device | |
| CN202696692U (en) | Portable communication terminal | |
| CN103021112A (en) | Wireless burglar alarm device of transformer | |
| CN202126733U (en) | Antitheft alarm device | |
| CN205489729U (en) | Charging system's new energy automobile with it is reliable and stable | |
| CN204990630U (en) | Have early earthquake early warning device of reputation short -term memory | |
| CN103021135A (en) | Drowning prevention alarm | |
| CN204884058U (en) | Alarm system is shut down in beam -pumping unit outage | |
| CN103354372A (en) | Intelligent battery management apparatus | |
| CN202797502U (en) | Computer power socket with alarm function | |
| CN202771563U (en) | Practical household burglar alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |