CN111158991A - Information security monitoring system based on sensor network - Google Patents
Information security monitoring system based on sensor network Download PDFInfo
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- CN111158991A CN111158991A CN202010044389.5A CN202010044389A CN111158991A CN 111158991 A CN111158991 A CN 111158991A CN 202010044389 A CN202010044389 A CN 202010044389A CN 111158991 A CN111158991 A CN 111158991A
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- 230000003750 conditioning effect Effects 0.000 claims abstract description 32
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3006—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3089—Monitoring arrangements determined by the means or processing involved in sensing the monitored data, e.g. interfaces, connectors, sensors, probes, agents
Abstract
The invention provides an information safety monitoring system based on a sensor network, which comprises a gas flow velocity monitoring cylinder, an air inlet valve, an air outlet valve, a sensor monitoring module, a signal analysis processing module, a control unit, a safety system microcontroller, an independent power supply, a remote transmission unit and a standard database, wherein the air inlet valve and the air outlet valve are arranged on the gas flow velocity monitoring cylinder, the gas flow velocity monitoring cylinder is fixedly arranged on the inner wall of a computer case, the sensor monitoring module comprises a voltage sensor, a first static test sensor, a second static test sensor, a temperature sensor and an image acquisition sensor, the signal analysis processing module comprises a gas flow velocity analysis unit, a signal conditioning unit and an image processing unit, the first static test sensor and the second static test sensor are used for testing the gas flow velocity of the gas flow velocity monitoring cylinder, and the temperature sensor and the signal conditioning unit are used for testing the temperature of a CPU board of the computer with, the voltage sensor is used for monitoring the voltage of the computer power supply.
Description
Technical Field
The invention relates to the field of big data, in particular to an information security monitoring system based on a sensor network.
Background
Two aspects are involved for network security: on the one hand, physical security is included, which means that tangible objects such as communication, computer equipment and related facilities in a network system are protected from being wetted by rainwater. Another aspect also includes what we commonly speak of logical security. Including information integrity, confidentiality, availability, etc. Physical security and logical security are very important, and network security is affected when no protection is provided on any aspect, so that the security protection must be reasonably arranged while considering the two aspects.
The concept of information security has gone through a long history in the twentieth century and has been deepened since the 90 s. In the 21 st century, with the continuous development of information technology, the information security problem is prominent. How to ensure the security of information systems has become a problem of social concern. The international research on information safety starts earlier, the investment is high, a plurality of achievements are obtained, and the method is popularized and applied.
In the prior art, software monitoring is often adopted when monitoring information security of a computer, i.e., means such as preventing computer files from being accessed, like a firewall, are used, or computer information security is protected by using a computer login password (such as a fingerprint password, iris recognition, and the like), but such protection methods have defects, for example, software protection is easily attacked by hackers and then fails, and a computer password is also revealed to cause computer information security crisis, so that a system with high efficiency and combined hardware and software is urgently needed to effectively monitor information security.
Disclosure of Invention
Therefore, in order to overcome the above problems, the present invention provides an information security monitoring system based on a sensor network, which comprises a gas flow rate monitoring cylinder, an air inlet valve, an air outlet valve, a sensor monitoring module, a signal analysis processing module, a control unit, a security system microcontroller, an independent power supply, a remote transmission unit and a standard database, wherein the air inlet valve and the air outlet valve are arranged in the gas flow rate monitoring cylinder, the gas flow rate monitoring cylinder is fixedly arranged on the inner wall of a computer case, the sensor monitoring module comprises a voltage sensor, a first static test sensor, a second static test sensor, a temperature sensor and an image acquisition sensor, the signal analysis processing module comprises a gas flow rate analysis unit, a signal conditioning unit and an image processing unit, the first static test sensor and the second static test sensor are used for testing the gas flow rate of the gas flow rate monitoring cylinder, the temperature of the CPU board of the computer is tested with high precision by using the temperature sensor and the signal conditioning unit, and the voltage sensor is used for monitoring the voltage of the computer power supply, namely, the information safety monitoring system based on the sensor network provided by the invention effectively and efficiently monitors whether the computer is illegally opened or not from three aspects of the airflow speed in the chassis, the temperature of the CPU board and the voltage of the computer power supply by combining the image acquisition sensor and the image processing unit.
The information safety monitoring system based on the sensor network comprises a gas flow velocity monitoring cylinder, an air inlet valve, an air outlet valve, a sensor monitoring module, a signal analysis processing module, a control unit, a safety system microcontroller, an independent power supply, a remote transmission unit and a standard database.
The air inlet valve and the air outlet valve are arranged on the air flow velocity monitoring cylinder, the air flow velocity monitoring cylinder is fixedly arranged on the inner wall of the computer case, the sensor monitoring module comprises a voltage sensor, a first static testing sensor, a second static testing sensor, a temperature sensor and an image acquisition sensor, and the signal analysis processing module comprises an air flow velocity analysis unit, a signal conditioning unit and an image processing unit.
Wherein, the voltage sensor is arranged in the computer case and used for monitoring the voltage of the power supply of the computer, the voltage sensor transmits the collected voltage signal to the safety system microcontroller, the first static test sensor is arranged at the inner side of the air outlet valve of the gas flow velocity monitoring cylinder, the second static test sensor is arranged at the inner side of the air inlet valve of the gas flow velocity monitoring cylinder, the first static test sensor and the second static test sensor collect the static signal in the gas flow velocity monitoring cylinder, the second static test sensor transmits the collected first static signal to the gas flow velocity analysis unit, the first static test sensor transmits the collected second static signal to the gas flow velocity analysis unit, the gas flow velocity analysis unit calculates the gas flow velocity V in the gas flow velocity monitoring cylinder according to the received first static signal and second static signal, the gas flow velocity analysis unit transmits the gas flow velocity V to the safety system microcontroller, the temperature sensor is arranged on a CPU chip of the computer and used for monitoring a temperature signal of the CPU chip, the temperature sensor transmits the collected temperature signal to the signal conditioning unit, the signal conditioning unit processes the received temperature signal and transmits the processed temperature signal to the safety system microcontroller, the image acquisition sensor is arranged outside the computer case and is used for acquiring image information of a computer user, the image acquisition sensor transmits the acquired image information to the image processing unit for image processing, the information safety monitoring system based on the sensing network further comprises a control unit, a remote transmission unit, a standard database and an independent power supply, and the control unit, the remote transmission unit, the standard database and the independent power supply are all connected with the safety system microcontroller.
Specifically, when the safety system microcontroller monitors that the computer is in a shutdown state, the safety system microcontroller controls the sensor monitoring module and the signal analysis processing module to start operating through the control unit, the standard database stores a standard voltage threshold, a standard gas flow rate threshold, a standard temperature threshold and image information of a user, and the standard database transmits the standard voltage threshold, the standard gas flow rate threshold, the standard temperature threshold and the image information of the user to an internal memory of the safety system microcontroller when the computer is in the shutdown state.
The voltage sensor is used for monitoring the voltage of a computer power supply, the voltage sensor transmits a collected voltage signal to the safety system microcontroller, if the voltage signal received by the safety system microcontroller is greater than a standard voltage threshold value, the safety system microcontroller controls the image collection sensor to collect image information of a computer user through the control unit, the image information collected by the image collection sensor is subjected to image processing by the image processing unit and then transmitted to the safety system microcontroller, the safety system microcontroller compares the received image information with the image information used for image processing, and if the image information and the alarm information are not consistent, the safety system microcontroller transmits the received image information and the alarm information transmitted by the image processing unit to the remote monitoring end through the remote transmission unit.
When the safety system microcontroller monitors that the computer is in a shutdown state, the safety system microcontroller controls the air inlet valve and the air outlet valve to be opened through the control unit, the first static test sensor and the second static test sensor collect static signals in the gas flow rate monitoring cylinder, the second static test sensor transmits the collected first static signals to the gas flow rate analysis unit, the first static test sensor transmits the collected second static signals to the gas flow rate analysis unit, the gas flow rate analysis unit calculates the gas flow rate V in the gas flow rate monitoring cylinder according to the received first static signals and the received second static signals, the gas flow rate analysis unit transmits the gas flow rate V to the safety system microcontroller, and if the gas flow rate V received by the safety system microcontroller is greater than a standard gas flow rate threshold value, the safety system microcontroller controls the image collection sensor to collect image information of a computer user through the control unit, image information acquired by the image acquisition sensor is subjected to image processing by the image processing unit and then transmitted to the safety system microcontroller, the safety system microcontroller compares the received image information with image information used for the image information, and if the image information is not consistent with the image information used for the image information, the safety system microcontroller transmits the received image information and alarm information transmitted by the image processing unit to a remote monitoring end through the remote transmission unit.
The temperature sensor is used for monitoring the temperature signal of the CPU chip, the temperature sensor transmits the acquired temperature signal to the signal conditioning unit, the signal conditioning unit processes the received temperature signal and transmits the processed temperature signal to the safety system microcontroller, if the temperature signal received by the safety system microcontroller is greater than the standard temperature threshold, the security system microcontroller controls the image pickup sensor via the control unit to pick up image information of the person using the computer, the image information collected by the image collecting sensor is transmitted to the safety system microcontroller after being processed by the image processing unit, the safety system microcontroller compares the received image information with the image information used for the image information, if the image information is not consistent with the image information used for the image information, the safety system microcontroller transmits the received image information and alarm information transmitted by the image processing unit to a remote monitoring end through a remote transmission unit.
Specifically, the gas flow rate analysis unit calculates a gas flow rate V in the gas flow rate monitoring cylinder according to the received first static signal and the second static signal, the gas flow rate analysis unit stores a static gas flow rate in the gas flow rate monitoring cylinder when the intake valve and the exhaust valve are closed, and if the first static signal monitored by the second static test sensor is greater than the static gas flow rate, the gas flow rate analysis unit records a time when the first static signal greater than the static gas flow rate is received as t1, and records a time when the second static signal after the first static signal greater than the static gas flow rate is received as t2, so that the gas flow rate V = L/(t2-t1), where L is a distance between the first static test sensor and the second static test sensor.
Specifically, the temperature sensor is used for monitoring a temperature signal of the CPU chip, converting the acquired temperature signal into a voltage signal V0, and transmitting the voltage signal V0 to the signal conditioning unit, and V1 is the voltage signal processed by the signal conditioning unit.
Specifically, the signal conditioning unit comprises operational amplifiers A1-A2, resistors R1-R8 and capacitors C1-C2.
Wherein, the output end of the temperature sensor is connected with one end of a resistor R1, one end of a resistor R2 is grounded, the other end of a resistor R2 is connected with the other end of a resistor R1, the other end of a resistor R1 is connected with one end of a capacitor C2, the other end of a resistor R1 is connected with one end of a capacitor C1, the output end of the temperature sensor is further connected with one end of a resistor R3, one end of a resistor R4 is connected with the other end of a capacitor C2, the other end of a resistor R4 is connected with the other end of a capacitor C1, one end of a resistor R5 is grounded, the other end of a resistor R5 is connected with the non-inverting input end of an operational amplifier A1, the other end of a capacitor C2 is connected with the inverting input end of an operational amplifier A1, the other end of a resistor R4 is further connected with one end of a resistor R6, one end of a resistor R7 is grounded, the other end of a resistor R7 is, the other end of the resistor R6 is connected with the other end of the resistor R3, the other end of the resistor R6 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the output end of the operational amplifier A2, and the output end of the operational amplifier A2 is connected with the input end of the security system microcontroller.
Specifically, the image processing unit performs sharpening processing on the received image information, the image information acquired by the image acquisition sensor is f (x, y), the image information after the image processing is g (x, y), the image f (x, y) is an image with the size of M × N, M, N is a positive integer, x =0,1,2, …, M-1 and y =0,1,2, …, N-1, k, r are positive integers, k (x, y) is a filter function,
for adjustable parameters, the filtering effect is passed
The adjustment is carried out, if at all,
compared with the prior art, the invention has the following beneficial effects:
the invention provides an information safety monitoring system based on a sensor network, which comprises a gas flow velocity monitoring cylinder, an air inlet valve, an air outlet valve, a sensor monitoring module, a signal analysis processing module, a control unit, a safety system microcontroller, an independent power supply, a remote transmission unit and a standard database, wherein the air inlet valve and the air outlet valve are arranged on the gas flow velocity monitoring cylinder, the gas flow velocity monitoring cylinder is fixedly arranged on the inner wall of a computer case, the sensor monitoring module comprises a voltage sensor, a first static test sensor, a second static test sensor, a temperature sensor and an image acquisition sensor, the signal analysis processing module comprises an air flow velocity analysis unit, a signal conditioning unit and an image processing unit, the first static test sensor and the second static test sensor are used for testing the air flow velocity of the gas flow velocity monitoring cylinder, the temperature of a CPU board of a computer is tested by the temperature sensor and the signal conditioning unit at high precision, the voltage sensor is used for monitoring the voltage of the computer power supply, namely, the information safety monitoring system based on the sensing network provided by the invention effectively and efficiently monitors whether the computer is illegally opened or not from three aspects of air flow speed in the case, temperature of the CPU board and the voltage of the computer power supply by combining the image acquisition sensor and the image processing unit.
Drawings
FIG. 1 is a schematic view of a gas flow rate monitoring apparatus according to the present invention;
FIG. 2 is a schematic diagram of an information security monitoring system based on a sensor network according to the present invention;
fig. 3 is a circuit diagram of a signal conditioning unit of the present invention.
Detailed Description
The information security monitoring system based on the sensor network of the present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-2, the information security monitoring system based on the sensor network provided by the invention comprises a gas flow rate monitoring cylinder 1, an air inlet valve 4, an air outlet valve 5, a sensor monitoring module, a signal analysis processing module, a control unit, a security system microcontroller, an independent power supply, a remote transmission unit and a standard database.
The system comprises an air inlet valve 4, an air outlet valve 5, a gas flow velocity monitoring cylinder 1, a sensor monitoring module, a signal analyzing and processing module and a control module, wherein the air inlet valve 4 and the air outlet valve 5 are arranged on the gas flow velocity monitoring cylinder 1, the gas flow velocity monitoring cylinder 1 is fixedly arranged on the inner wall of a computer case, the sensor monitoring module comprises a voltage sensor, a first static test sensor 2, a second static test sensor 3, a temperature sensor and an image acquisition sensor, and the signal analyzing and processing module comprises an air flow velocity analyzing;
wherein, the voltage sensor is arranged in the computer case and used for monitoring the voltage of the power supply of the computer, the voltage sensor transmits the collected voltage signal to the safety system microcontroller, the first static test sensor 2 is arranged at the inner side of the air outlet valve 5 of the gas flow velocity monitoring cylinder 1, the second static test sensor 3 is arranged at the inner side of the air inlet valve 4 of the gas flow velocity monitoring cylinder 1, the first static test sensor 2 and the second static test sensor 3 collect the static signal in the gas flow velocity monitoring cylinder 1, the second static test sensor 3 transmits the collected first static signal to the gas flow velocity analysis unit, the first static test sensor 2 transmits the collected second static signal to the gas flow velocity analysis unit, the gas flow velocity analysis unit calculates the gas flow velocity V in the gas flow velocity monitoring cylinder 1 according to the received first static signal and the second static signal, the gas flow velocity analysis unit transmits the gas flow velocity V to the safety system microcontroller, the temperature sensor is arranged on a CPU chip of the computer and used for monitoring a temperature signal of the CPU chip, the temperature sensor transmits the acquired temperature signal to the signal conditioning unit, the signal conditioning unit processes the received temperature signal and transmits the processed temperature signal to the safety system microcontroller, the image acquisition sensor is arranged outside a case of the computer and used for acquiring image information of a computer user, the image acquisition sensor transmits the acquired image information to the image processing unit for image processing, the image processing unit transmits the processed image information to the safety system microcontroller, the information safety monitoring system based on the sensor network further comprises a control unit, a remote transmission unit, a standard database and an independent power supply, the control unit, the remote transmission unit, the standard database and the independent power supply are all connected with the safety system microcontroller.
In the above embodiment, the information security monitoring system based on the sensor network provided by the invention comprises a gas flow rate monitoring cylinder 1, an air inlet valve 4, an air outlet valve 5, a sensor monitoring module, a signal analysis processing module, a control unit, a security system microcontroller, an independent power supply, a remote transmission unit and a standard database, wherein the air inlet valve 4 and the air outlet valve 5 are arranged on the gas flow rate monitoring cylinder 1, the gas flow rate monitoring cylinder is fixedly arranged on the inner wall of a computer case, the sensor monitoring module comprises a voltage sensor, a first static test sensor 2, a second static test sensor 3, a temperature sensor and an image acquisition sensor, the signal analysis processing module comprises an air flow rate analysis unit, a signal conditioning unit and an image processing unit, the first static test sensor 2 and the second static test sensor 3 are used for testing the air flow rate of the gas flow rate monitoring cylinder 1, the temperature of the CPU board of the computer is tested with high precision by using the temperature sensor and the signal conditioning unit, and the voltage sensor is used for monitoring the voltage of the computer power supply, namely, the information safety monitoring system based on the sensor network provided by the invention effectively and efficiently monitors whether the computer is illegally opened or not from three aspects of the airflow speed in the chassis, the temperature of the CPU board and the voltage of the computer power supply by combining the image acquisition sensor and the image processing unit.
Preferably, when the safety system microcontroller monitors that the computer is in a shutdown state, the safety system microcontroller controls the sensor monitoring module and the signal analysis processing module to start operating through the control unit, the standard database stores a standard voltage threshold, a standard gas flow rate threshold, a standard temperature threshold and image information of a user, and the standard database transmits the standard voltage threshold, the standard gas flow rate threshold, the standard temperature threshold and the image information of the user to an internal memory of the safety system microcontroller when the computer is in the shutdown state.
Furthermore, when the user turns off the computer, the computer is in a power-off state, and the information security monitoring system based on the sensor network provided by the invention starts to work.
The voltage sensor is used for monitoring the voltage of a computer power supply, the voltage sensor transmits a collected voltage signal to the safety system microcontroller, if the voltage signal received by the safety system microcontroller is greater than a standard voltage threshold value, the safety system microcontroller controls the image collection sensor to collect image information of a computer user through the control unit, the image information collected by the image collection sensor is subjected to image processing by the image processing unit and then transmitted to the safety system microcontroller, the safety system microcontroller compares the received image information with the image information used for image processing, and if the image information and the alarm information are not consistent, the safety system microcontroller transmits the received image information and the alarm information transmitted by the image processing unit to the remote monitoring end through the remote transmission unit.
Furthermore, when the computer is started, the computer power supply starts to work for the computer, so that the computer power supply can be increased, the voltage sensor is adopted to monitor the voltage of the computer power supply, the image acquisition unit is used for confirming whether a person starting the computer is a computer user, if the person is not the computer user, the alarm information and the image information can be transmitted to the remote monitoring end through the remote transmission unit, and then the computer user can know that the computer is invaded illegally and can also know the information of the person who is invaded illegally.
When the safety system microcontroller monitors that a computer is in a shutdown state, the safety system microcontroller controls an air inlet valve 4 and an air outlet valve 5 to be opened through a control unit, a first static test sensor 2 and a second static test sensor 3 collect static signals in a gas flow rate monitoring cylinder 1, the second static test sensor 3 transmits collected first static signals to a gas flow rate analysis unit, the first static test sensor 2 transmits collected second static signals to the gas flow rate analysis unit, the gas flow rate analysis unit calculates a gas flow rate V in the gas flow rate monitoring cylinder 1 according to the received first static signals and second static signals, the gas flow rate analysis unit transmits the gas flow rate V to the safety system microcontroller, and if the gas flow rate V received by the safety system microcontroller is greater than a standard gas flow rate threshold value, the safety system microcontroller controls the image collection sensor to collect images of computer personnel through the control unit And if the image information and the alarm information are not consistent, the safety system microcontroller transmits the received image information and the received alarm information transmitted by the image processing unit to a remote monitoring end through a remote transmission unit.
Furthermore, in order to prevent someone from starting the computer by using an external power supply or obtaining a computer hard disk by detaching a computer case, the information security monitoring system based on the sensor network provided by the invention obtains the air flow velocity in the computer case by using the first electrostatic test sensor 2 and the second electrostatic test sensor 3, when the air flow velocity changes beyond a threshold value, the information security monitoring system is assisted by using the image acquisition unit to confirm whether a person starting the computer is a computer user, if the person is not the computer user, the alarm information and the image information are transmitted to the remote monitoring end through the remote transmission unit, and then the computer user can know that the computer is invaded illegally and can also know the information of the person who is invaded illegally.
The temperature sensor is used for monitoring the temperature signal of the CPU chip, the temperature sensor transmits the acquired temperature signal to the signal conditioning unit, the signal conditioning unit processes the received temperature signal and transmits the processed temperature signal to the safety system microcontroller, if the temperature signal received by the safety system microcontroller is greater than the standard temperature threshold, the security system microcontroller controls the image pickup sensor via the control unit to pick up image information of the person using the computer, the image information collected by the image collecting sensor is transmitted to the safety system microcontroller after being processed by the image processing unit, the safety system microcontroller compares the received image information with the image information used for the image information, if the image information is not consistent with the image information used for the image information, the safety system microcontroller transmits the received image information and alarm information transmitted by the image processing unit to a remote monitoring end through a remote transmission unit.
Furthermore, in order to prevent an illegal intruder from starting the computer by using an external power supply, the information security monitoring system based on the sensing network monitors the temperature signal of the CPU chip through the temperature sensor, when the temperature signal exceeds a threshold value, the image acquisition unit is used for confirming whether a person starting the computer is a computer user, if the person is not the computer user, the alarm information and the image information are transmitted to the remote monitoring end through the remote transmission unit, and then the computer user can know that the computer is illegally intruded and can also know the information of the illegally intruded person.
As shown in fig. 2, the gas flow rate analyzing unit calculates the gas flow rate V in the gas flow rate monitoring cylinder 1 according to the received first static signal and the second static signal, the gas flow rate analyzing unit stores the static gas flow rate in the gas flow rate monitoring cylinder 1 when the intake valve 4 and the exhaust valve 5 are closed, and if the first static signal monitored by the second static test sensor 3 is greater than the static gas flow rate, the gas flow rate analyzing unit records the time when the first static signal greater than the static gas flow rate is received as t1, and records the time when the second static signal after the first static signal greater than the static gas flow rate is received as t2, so that the gas flow rate V = L/(t2-t1), where L is the distance between the first static test sensor 2 and the second static test sensor 3.
It should be noted that, during the movement of the solid particles in the air driven by the air drag force outside the computer case, a certain amount of electrostatic charges are generated on the surface of the solid particles due to the friction and collision between the particles, the wall of the particle and gas flow rate monitoring cylinder 1, and the particles and the air. The moving charged particles generate a time-varying electrostatic field, so that the first electrostatic test sensor 2 and the second electrostatic test sensor 3 induce weak electrostatic signals.
As shown in fig. 3, the temperature sensor is used for monitoring a temperature signal of the CPU chip, converting the collected temperature signal into a voltage signal V0, and transmitting the voltage signal V0 to the signal conditioning unit, wherein V1 is the voltage signal processed by the signal conditioning unit.
Preferably, the signal conditioning unit comprises operational amplifiers A1-A2, resistors R1-R8 and capacitors C1-C2.
Wherein, the output end of the temperature sensor is connected with one end of a resistor R1, one end of a resistor R2 is grounded, the other end of a resistor R2 is connected with the other end of a resistor R1, the other end of a resistor R1 is connected with one end of a capacitor C2, the other end of a resistor R1 is connected with one end of a capacitor C1, the output end of the temperature sensor is further connected with one end of a resistor R3, one end of a resistor R4 is connected with the other end of a capacitor C2, the other end of a resistor R4 is connected with the other end of a capacitor C1, one end of a resistor R5 is grounded, the other end of a resistor R5 is connected with the non-inverting input end of an operational amplifier A1, the other end of a capacitor C2 is connected with the inverting input end of an operational amplifier A1, the other end of a resistor R4 is further connected with one end of a resistor R6, one end of a resistor R7 is grounded, the other end of a resistor R7 is, the other end of the resistor R6 is connected with the other end of the resistor R3, the other end of the resistor R6 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the output end of the operational amplifier A2, and the output end of the operational amplifier A2 is connected with the input end of the security system microcontroller.
In the above embodiment, the resistance R1= R2= R is provided.
The temperature signal collected by the temperature sensor is V0, the output signal of the operational amplifier A1 is V01, if yes,
；
when setting the resistance value of the resistor, the method makes
；
It is possible to obtain,
。
preferably, the image processing unit performs sharpening processing on the received image information, the image information acquired by the image acquisition sensor is f (x, y), the image information after the image processing is g (x, y), the image f (x, y) is an image with a size of M × N, M, N is a positive integer, x =0,1,2, …, M-1 and y =0,1,2, …, N-1, k, r are positive integers, k (x, y) is a filter function,
for adjustable parameters, the filtering effect is passed
The adjustment is carried out, if at all,
other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. The information safety monitoring system based on the sensor network is characterized by comprising a gas flow velocity monitoring cylinder (1), an air inlet valve (4), an air outlet valve (5), a sensor monitoring module, a signal analysis processing module, a control unit, a safety system microcontroller, an independent power supply, a remote transmission unit and a standard database;
the air inlet valve (4) and the air outlet valve (5) are arranged on the gas flow velocity monitoring cylinder (1), the gas flow velocity monitoring cylinder (1) is fixedly arranged on the inner wall of a computer case, the sensor monitoring module comprises a voltage sensor, a first static test sensor (2), a second static test sensor (3), a temperature sensor and an image acquisition sensor, and the signal analysis processing module comprises an air flow velocity analysis unit, a signal conditioning unit and an image processing unit;
wherein the voltage sensor is arranged in a computer case and used for monitoring the voltage of a computer power supply, the voltage sensor transmits the collected voltage signal to the safety system microcontroller, the first static test sensor (2) is arranged inside the air outlet valve (5) of the gas flow rate monitoring cylinder (1), the second static test sensor (3) is arranged inside the air inlet valve (4) of the gas flow rate monitoring cylinder (1), the first static test sensor (2) and the second static test sensor (3) collect the static signal in the gas flow rate monitoring cylinder (1), the second static test sensor (3) transmits the collected first static signal to the gas flow rate analysis unit, the first static test sensor (2) transmits the collected second static signal to the gas flow rate analysis unit, the gas flow velocity analysis unit calculates the gas flow velocity V in the gas flow velocity monitoring cylinder (1) according to the received first static signal and the second static signal, the gas flow velocity analysis unit transmits the gas flow velocity V to the safety system microcontroller, the temperature sensor is arranged on the CPU chip of the computer and is used for monitoring the temperature signal of the CPU chip, the temperature sensor transmits the acquired temperature signal to the signal conditioning unit, the signal conditioning unit processes the received temperature signal and transmits the processed temperature signal to the safety system microcontroller, the image acquisition sensor is arranged outside the case of the computer and is used for acquiring the image information of a computer user, and the image acquisition sensor transmits the acquired image information to the image processing unit for image processing, the image processing unit transmits the processed image information to the safety system microcontroller, the information safety monitoring system based on the sensing network further comprises the control unit, the remote transmission unit, the standard database and the independent power supply, and the control unit, the remote transmission unit, the standard database and the independent power supply are all connected with the safety system microcontroller.
2. The sensor network-based information security monitoring system of claim 1, wherein when the security system microcontroller monitors that the computer is in a power-off state, the security system microcontroller controls the sensor monitoring module and the signal analysis processing module to start operating through the control unit, the standard database stores a standard voltage threshold, a standard gas flow rate threshold, a standard temperature threshold and user image information, and transmits the standard voltage threshold, the standard gas flow rate threshold, the standard temperature threshold and the user image information to an internal memory of the security system microcontroller when the computer is in the power-off state;
wherein the voltage sensor is used for monitoring the voltage of a computer power supply, the voltage sensor transmits the collected voltage signal to the safety system microcontroller, if the voltage signal received by the safety system microcontroller is greater than the standard voltage threshold value, the security system microcontroller controls the image capture sensor via the control unit to capture image information of the person using the computer, the image information collected by the image collecting sensor is transmitted to the safety system microcontroller after being processed by the image processing unit, the security system microcontroller compares the received image information with the image information for use, and if not, the safety system microcontroller transmits the received image information and alarm information transmitted by the image processing unit to a remote monitoring end through the remote transmission unit;
when the safety system microcontroller monitors that the computer is in a shutdown state, the safety system microcontroller controls the air inlet valve (4) and the air outlet valve (5) to be opened through the control unit, the first static test sensor (2) and the second static test sensor (3) collect static signals in the gas flow rate monitoring cylinder (1), the second static test sensor (3) transmits the collected first static signals to the gas flow rate analysis unit, the first static test sensor (2) transmits the collected second static signals to the gas flow rate analysis unit, the gas flow rate analysis unit calculates the gas flow rate V in the gas flow rate monitoring cylinder (1) according to the received first static signals and the received second static signals, and the gas flow rate analysis unit transmits the gas flow rate V to the safety system microcontroller, if the gas flow velocity V received by the safety system microcontroller is greater than the standard gas flow velocity threshold value, the safety system microcontroller controls the image acquisition sensor to acquire image information of a computer user through the control unit, the image information acquired by the image acquisition sensor is subjected to image processing by the image processing unit and then is transmitted to the safety system microcontroller, the safety system microcontroller compares the received image information with the image information for use, and if the image information is not consistent with the image information for use, the safety system microcontroller transmits the received image information and alarm information transmitted by the image processing unit to a remote monitoring end through the remote transmission unit;
the temperature sensor is used for monitoring a temperature signal of a CPU chip, the temperature sensor transmits the acquired temperature signal to the signal conditioning unit, the signal conditioning unit processes the received temperature signal and transmits the processed temperature signal to the safety system microcontroller, if the temperature signal received by the safety system microcontroller is greater than the standard temperature threshold value, the safety system microcontroller controls the image acquisition sensor to acquire image information of a computer user through the control unit, the image information acquired by the image acquisition sensor is transmitted to the safety system microcontroller after being processed by the image processing unit, the safety system microcontroller compares the received image information with the image information, and if the image information and the alarm information are not consistent, the safety system microcontroller remotely transmits the received image information and the alarm information transmitted by the image processing unit The transmission unit transmits to the remote monitoring end.
3. The sensor network based information security monitoring system according to claim 2, wherein the gas flow rate analyzing unit calculates a gas flow rate V in the gas flow rate monitoring cylinder (1) according to the received first and second static signals, the gas flow rate analyzing unit stores a static gas flow rate in the gas flow rate monitoring cylinder (1) when the air inlet valve (4) and the air outlet valve (5) are closed, if the first static signal monitored by the second static test sensor (3) is greater than the static gas flow rate, the gas flow rate analyzing unit records a time when the first static signal greater than the static gas flow rate is received as t1, and records a time when the second static signal after the first static signal greater than the static gas flow rate is received as t2, the gas flow rate V = L/(t2-t1), where L is the distance between the first electrostatic test sensor (2) and the second electrostatic test sensor (3).
4. The information security monitoring system based on the sensor network as claimed in claim 2, wherein the temperature sensor is configured to monitor a temperature signal of the CPU chip, convert the collected temperature signal into a voltage signal V0, and transmit a voltage signal V0 to the signal conditioning unit, and V1 is the voltage signal processed by the signal conditioning unit.
5. The information security monitoring system based on the sensor network is characterized in that the signal conditioning unit comprises an operational amplifier A1-A2, a resistor R1-R8 and a capacitor C1-C2;
wherein, the output end of the temperature sensor is connected with one end of a resistor R1, one end of a resistor R2 is grounded, the other end of a resistor R2 is connected with the other end of a resistor R1, the other end of a resistor R1 is connected with one end of a capacitor C2, the other end of a resistor R1 is connected with one end of a capacitor C1, the output end of the temperature sensor is further connected with one end of a resistor R3, one end of a resistor R4 is connected with the other end of a capacitor C2, the other end of a resistor R4 is connected with the other end of a capacitor C1, one end of a resistor R5 is grounded, the other end of a resistor R5 is connected with the non-inverting input end of an operational amplifier A1, the other end of a capacitor C2 is connected with the inverting input end of an operational amplifier A1, the other end of a resistor R56 is further connected with one end of a resistor R6, one end of a resistor R7 is grounded, the other end of a resistor R7 is connected with, the other end of the resistor R6 is connected with the other end of the resistor R3, the other end of the resistor R6 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the output end of the operational amplifier A2, and the output end of the operational amplifier A2 is connected with the input end of the security system microcontroller.
6. The information security monitoring system based on sensor network of claim 2, wherein the image processing unit performs sharpening processing on the received image information, the image information collected by the image collecting sensor is f (x, y), the image information after image processing is g (x, y), the image f (x, y) is an image with size of M x N, M, N is a positive integer, x =0,1,2, …, M-1 and y =0,1,2, …, N-1, k, r are positive integers, k (x, y) is a filtering function,
for adjustable parameters, the filtering effect is passed
The adjustment is carried out, if at all,
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203732637U (en) * | 2013-12-26 | 2014-07-23 | 新地能源工程技术有限公司 | Static testing device in storage and transportation processes of oil products |
| CN203965922U (en) * | 2013-12-30 | 2014-11-26 | 陈楚伟 | A kind of vehicle data collection and receiving system |
| CN204268080U (en) * | 2014-11-26 | 2015-04-15 | 杭州德昌隆信息技术有限公司 | A kind of large-scale commerce and trade body underground pipe network wireless monitoring positioning system |
| CN105143401A (en) * | 2013-03-13 | 2015-12-09 | 提克纳有限责任公司 | Antistatic liquid crystalline polymer composition |
| CN208076340U (en) * | 2017-06-13 | 2018-11-09 | 白茂森 | A kind of ELECTROSTATIC DUST sensor of measurement effect enhancing |
-
2020
- 2020-01-15 CN CN202010044389.5A patent/CN111158991A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105143401A (en) * | 2013-03-13 | 2015-12-09 | 提克纳有限责任公司 | Antistatic liquid crystalline polymer composition |
| CN203732637U (en) * | 2013-12-26 | 2014-07-23 | 新地能源工程技术有限公司 | Static testing device in storage and transportation processes of oil products |
| CN203965922U (en) * | 2013-12-30 | 2014-11-26 | 陈楚伟 | A kind of vehicle data collection and receiving system |
| CN204268080U (en) * | 2014-11-26 | 2015-04-15 | 杭州德昌隆信息技术有限公司 | A kind of large-scale commerce and trade body underground pipe network wireless monitoring positioning system |
| CN208076340U (en) * | 2017-06-13 | 2018-11-09 | 白茂森 | A kind of ELECTROSTATIC DUST sensor of measurement effect enhancing |
Non-Patent Citations (1)
| Title |
|---|
| 付宇;殷逸冰;左洪福;: "航空发动机尾气静电监测及其信号特性分析" * |
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