The intelligent detection device of the PC desktop computer real-time anti-theft based on technology of Internet of things
Technical field
The utility model relates to the antitheft detection of desktop PC, relates in particular to a kind of intelligent detection device of the PC desktop computer real-time anti-theft based on technology of Internet of things.
Background technology
Institution of higher learning, scientific research institutions, and the commercial management center such as Internet bar, finance is the occasion of desktop computer pooled applications, at present existing complete automatic management software, as video monitoring, but the stolen event of microcomputer still happens occasionally, cause huge economic loss to unit and country, and cause harmful effect to society.Common larceny has complete machine theft, computer peripheral equipment theft, the theft of cabinet inner assembly etc.; the anti-theft measure of machine room has at present: the guard against theft and alarm systems such as access control system, monitoring video; but these systems all exist real-time poor, manage loaded down with trivial details shortcoming; particularly perfect not to the protection of peripheral hardware, installed with built-in component; as the mode of taking simple cabinet to lock prevents assembly stolen, and the anti-theft measure of peripheral hardware does not almost have.
The development of technology of Internet of things; microcomputer is realized to anti-theft protection in all directions provides possibility; the illegal unlatching of this device built-in sensors monitoring machine case side plate, transformation Peripheral Interface detect the peripheral hardware unusual fluctuation; and the variation of passing through the wireless network routing node detects the change in location of microcomputer complete machine, the omnibearing monitoring and protection of realization to Desktop Computer.
The utility model content
The technical problems to be solved in the utility model is that prior art can't realize the defect to the protection of the conduct monitoring at all levels of microcomputer, provides a kind of and realizes the intelligent detection device to the desktop PC real-time anti-theft of the omnibearing monitoring and protection of Desktop Computer by Internet of Things.
The utility model solves the technical scheme that its technical matters adopts:
A kind of intelligent detection device of the PC desktop computer real-time anti-theft based on technology of Internet of things is provided, be arranged on local terminal and a plurality of node, when node and local terminal are the PC desktop computer, this intelligent detection device comprises and is arranged on every microprocessor on the PC desktop computer, and the pci bus expanding USB interface all be connected with this microprocessor, USB interface peripheral hardware state detection module, the cabinet state detection circuit, working temperature and battery voltage detection circuit in cabinet, this intelligent detection device also is provided with charging circuit, this charging circuit is connected with supplying cell and the described pci bus expanding USB interface of this intelligent detection device,
This intelligent detection device also comprises and is arranged on every wireless communication module on the PC desktop computer, this wireless communication module makes between node and node, form wireless network by the Zigbee agreement between node and local terminal, and the warning message that each node produces, battery voltage information and temperature in chassis information all send local terminal to by this wireless network;
This intelligent detection device also comprises local alarm display module and the network connecting module be arranged on local terminal, and when in running order in local terminal, the warning message that each node transmits shows on this this locality alarm display module; While in local terminal, being off-mode, warning message is sent to remote terminal by this network connecting module.
In intelligent detection device described in the utility model, described cabinet state detection circuit adopts transceiving integrated ultrasonic sensor, the ultrasonic signal sent is reflected back receiving end through cabinet side board, differentiates the opening of cabinet by hyperacoustic mistiming of send and receive.
In intelligent detection device described in the utility model, described USB peripheral hardware detection module comprises pci controller and USB socket peripheral hardware testing circuit, and described pci controller is connected with described microprocessor by described USB socket peripheral hardware testing circuit;
Described USB socket peripheral hardware testing circuit comprises the infraluminescence pipe, drives triode and infrared receiving module, the pulse signal that described microprocessor sends drives the infraluminescence pipe through described driving triode, the both sides of USB socket communicate, form Infrared Channel, infraluminescence pipe and infrared receiving module are arranged on this both sides;
When external equipment inserts USB socket, Infrared Channel is cut off, described infrared receiving module produces high level signal to microprocessor, when external equipment is extracted USB socket, described infrared receiving module receiving infrared-ray signal, and producing low level signal to described microprocessor, described microprocessor is differentiated the state of external equipment according to the signal intensity received.
In intelligent detection device described in the utility model, temperature detection employing digital temperature sensor in working temperature and battery voltage detection circuit in described cabinet, described microprocessor is by the port processing temperature information be connected with described digital temperature sensor.
In intelligent detection device described in the utility model, described microprocessor is microprocessor JN5139.
In intelligent detection device described in the utility model, described pci bus expanding USB interface is provided with 4 USB interface, and wherein 3 is mouse interface, keyboard interface and video interface.
In intelligent detection device described in the utility model, the network connecting module on local terminal is the AX22011 dedicated devices.
Use the utility model; there is following beneficial effect: in the utility model when each node and terminal works; form the wireless network based on the Zigbee agreement by its inner wireless communication module arranged; when abnormal conditions occurring; as side panel is opened, the USB peripheral hardware is extracted, temperature in chassis is too high, cell voltage is too low; the alerting signal that each node sends is all passed through this wireless network transmissions to local terminal; also can detect the change in location of microcomputer complete machine by the variation of wireless network routing node, realize the omnibearing monitoring and protection to Desktop Computer.If the local terminal main frame is in running order, in the terminal display alarm information, if the local terminal main frame is off-mode, by WiFi wireless network or Ethernet, be transferred to the remote terminal display alarm information.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the system construction drawing that each node of the present utility model and local terminal form;
Fig. 2 is the circuit block diagram of intelligent detection device of the present utility model in node;
Fig. 3 is the circuit block diagram of intelligent detection device of the present utility model in local terminal;
Fig. 4 A is the front view of USB socket in the utility model embodiment;
Fig. 4 B is the vertical view of USB socket in the utility model embodiment;
Fig. 4 C is the right view of USB socket in the utility model embodiment;
Fig. 5 is the circuit theory diagrams of USB peripheral hardware detection module in the utility model;
Fig. 6 is the schematic diagram that in the utility model, the cabinet state detection circuit detects the cabinet side board state;
Fig. 7 is the detection procedure figure that in the utility model, the cabinet state detection circuit detects the cabinet side board state;
Fig. 8 is temperature in chassis and battery voltage detection circuit schematic diagram in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In preferred embodiment of the present utility model, the intelligent detection device of the PC desktop computer real-time anti-theft based on technology of Internet of things is arranged on local terminal and a plurality of node.As shown in Figure 1, a plurality of nodes, local terminal and remote terminal, between node and between local terminal, it is the Zigbee protocol networking, all node datas all send local terminal to by network, local terminal is the display alarm signal directly, also can send remote terminal to by Ethernet, WiFi wireless network and report to the police, as long-range PC, smart mobile phone etc.
When node and local terminal are the PC desktop computer, as shown in Figures 2 and 3, this intelligent detection device comprises and is arranged on every microprocessor 9 on the PC desktop computer, and the pci bus expanding USB interface all be connected with this microprocessor, USB interface peripheral hardware state detection module, cabinet state detection circuit 6, housing temperature and battery voltage detection circuit, also be provided with charging circuit on the PC desktop computer, this charging circuit is connected with battery and pci bus expansion usb bus in the PC desktop computer;
This intelligent detection device also comprises and is arranged on every wireless communication module on the PC desktop computer, this wireless communication module makes between node and node, form wireless network by the Zigbee agreement between node and local terminal, and the warning message that each node produces, battery voltage information and housing temperature information all send local terminal to by this wireless network;
As shown in Figure 3, this intelligent detection device also comprises local alarm display module 11 and the network connecting module 10 be arranged on local terminal, and this network connecting module 10 can comprise WiFi antenna and TCP/IP module.When in running order in local terminal, the warning message that each node transmits shows on this this locality alarm display module 11; While in local terminal, being off-mode, warning message is sent to remote terminal by this network connecting module 10.
In an embodiment of the present utility model, cabinet state detection circuit 6 adopts transceiving integrated ultrasonic sensor, the ultrasonic signal sent is reflected back receiving end through cabinet side board, differentiates the opening of cabinet by hyperacoustic mistiming of send and receive.
Cabinet state detection circuit 6 mainly is comprised of timed sending ultrasound wave and reception ultrasonic circuit, according to the distance that receives hyperacoustic ionization meter control panel and chassis active side plate, if lose continuously reflected impulse, reports to the police.As shown in Figure 6, multivibrator circuit NE555 in cabinet state detection circuit 6 produces the square wave of 40kHz, export ultrasound wave to and send probe a, sending probe a vertical plane sends to side panel, through the side panel reflection, by ultrasound wave receiving transducer b, received, the signal of reception is given special module CX20106 and is made signal processing, output pulse signal.The duty of multivibrator NE555 is controlled by the DIO8 of microprocessor JN5139, and when DIO8 is high level, NE555 exports square wave, and when DIO8 is low level, NE555 quits work.
According to the workflow shown in Fig. 7, the signal of ultrasound wave receiving transducer b and special module CX20106 output and the control signal of microprocessor have ultrasound wave to send and the mistiming of returning, the distance according to this mistiming calculating transmitting-receiving probe with the cabinet side panel.If this measuring distance surpasses actual range, differentiate for the side panel abnormal start-up.
In another embodiment of the present utility model, USB peripheral hardware detection module comprises pci controller 4 and USB socket peripheral hardware testing circuit 5, and pci controller 4 is connected with microprocessor 9 by USB socket peripheral hardware testing circuit 5; As shown in Fig. 4 A, 4B and 4C, front view, vertical view and right view for USB socket, can be first the sheet metal of existing USB socket both sides be launched or directly removes, from Fig. 4 C, can find out, the intermediate approximation trapezoidal portions is hollowed out, the USB socket both sides can lead directly to, and form infrared channel, and infraluminescence pipe and infrared receiving module are arranged on this both sides.As shown in Figure 5, the DIO0 mouth of microprocessor JN5139 sends the pulse signal of 40kHz, drive infraluminescence pipe VD1 through triode VT1 (8050), from USB mono-side input, infrared receiving module is special module SFH506-40, opposite side in USB socket, when external equipment inserts USB socket, Infrared Channel is cut off, infrared receiving module does not receive the input of infrared signal, infrared receiving module output high level signal is to the DIO1 port of microprocessor JN5139, when external equipment is extracted USB socket, infrared ray leads directly to USB socket, the infrared receiving module receiving infrared-ray signal, and the output low level signal is to the DIO1 of microprocessor JN5139, microprocessor is differentiated the state of peripheral hardware according to the signal intensity of port DIO1.
In embodiment of the present utility model, as shown in Figures 2 and 3, in cabinet, working temperature and battery voltage detection circuit comprise housing temperature testing circuit 7 and battery voltage detection circuit 8, wherein housing temperature testing circuit 7 adopts digital temperature sensor, and microprocessor is by the port processing temperature information be connected with digital temperature sensor.As shown in Figure 8, the housing temperature testing circuit in the desktop PC cabinet 7 adopts DS18B20 digital temperature sensor, the port DIO10 collecting temperature information of microprocessor JN5139.Simultaneously, by pci bus, provided+the 5V power supply, charge to battery (lithium battery) through charge controller LTC4054, and provide the required operating voltage of the utility model device and electric current by battery, cell voltage is through resistance R simultaneously
61and R
62dividing potential drop, by the built-in analog to digital conversion ADC1 conversion of microprocessor.
The pci bus expanding USB interface adopts the VT6212L dedicated devices to realize the conversion of pci bus agreement to usb protocol.The pci bus expanding USB interface is provided with 4 USB interface, and wherein 3 is mouse interface, keyboard interface and video interface.
In an embodiment of the present utility model, the network connecting module on local terminal can be selected the AX22011 dedicated devices.
Implementation process of the present utility model is: when each node and local terminal work, Route Selection, form the wireless network based on the Zigbee agreement automatically.When abnormal conditions occurring, as side panel is opened, the USB peripheral hardware is extracted, temperature in chassis is too high, cell voltage is too low, microprocessor JN5139 in node sends alerting signal, the process Internet Transmission is to local terminal, local terminal is also detected the Zigbee network routed path and is changed, and distinguishes the position unusual fluctuation of node.If the local terminal main frame is in running order, in the terminal display alarm information, if end host is off-mode, terminal is by WiFi wireless network or Ethernet transmission, remote terminal or intelligent terminal display alarm information.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.